/* ============================================================
   Fine Fold Menus — Premium Changeable Menu Collection
   "One Premium Cover. Endless Possibilities."
   Scoped design system: .changeable-menu-content
   ============================================================ */

.changeable-menu-content {
    /* ---- Palette (locked) ---- */
    --cm-black: #0E0D0D;
    --cm-charcoal: #151515;
    --cm-gold: #D8B36A;
    --cm-white: #FFFFFF;
    --cm-muted: #C7C7C7;
    --cm-border: rgba(216, 179, 106, 0.35);

    /* ---- Derived (same hues only) ---- */
    --cm-border-soft: rgba(216, 179, 106, 0.16);
    --cm-border-bright: rgba(216, 179, 106, 0.62);
    --cm-gold-wash: rgba(216, 179, 106, 0.08);
    --cm-ink: rgba(14, 13, 13, 0.72);
    --cm-gradient-gold: linear-gradient(118deg, #D8B36A 0%, #FFFFFF 48%, #D8B36A 100%);
    --cm-gradient-panel: linear-gradient(160deg, #151515 0%, #0E0D0D 100%);
    --cm-glow: 0 26px 70px -30px rgba(216, 179, 106, 0.42);
    --cm-shadow: 0 34px 90px -40px rgba(14, 13, 13, 0.95);

    /* ---- Motion ---- */
    --cm-ease: cubic-bezier(0.22, 1, 0.36, 1);
    --cm-fast: 300ms;
    --cm-mid: 450ms;
    --cm-slow: 600ms;

    /* ---- Type ---- */
    --cm-serif: "Cormorant Garamond", "Playfair Display", "DM Serif Display", Georgia, serif;
    --cm-sans: "Inter", "Poppins", -apple-system, "Segoe UI", sans-serif;

    /* ---- Metrics ---- */
    --cm-radius: 22px;
    --cm-radius-sm: 14px;

    position: relative;
    display: block;
    background: var(--cm-black);
    color: var(--cm-muted);
    font-family: var(--cm-sans);
    font-size: 16px;
    line-height: 1.85;
    font-weight: 300;
    overflow-x: clip;
    -webkit-font-smoothing: antialiased;
}

.changeable-menu-content *,
.changeable-menu-content *::before,
.changeable-menu-content *::after {
    box-sizing: border-box;
}

.changeable-menu-content h1,
.changeable-menu-content h2,
.changeable-menu-content h3,
.changeable-menu-content h4 {
    margin: 0;
    font-family: var(--cm-serif);
    font-weight: 500;
    color: var(--cm-white);
    letter-spacing: 0.005em;
}

/* .changeable-menu-content p {
    margin: 20px 0 20px;
} */

.changeable-menu-content p:last-child {
    margin-bottom: 0;
}

.changeable-menu-content strong {
    color: var(--cm-white);
    font-weight: 500;
}

.changeable-menu-content ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.changeable-menu-content img {
    max-width: 100%;
    height: auto;
    display: block;
}

.changeable-menu-content a {
    color: inherit;
    text-decoration: none;
}

.changeable-menu-content :focus-visible {
    outline: 2px solid var(--cm-gold);
    outline-offset: 4px;
    border-radius: 4px;
}

/* ============================================================
   LAYOUT PRIMITIVES
   ============================================================ */
.cm-section {
    position: relative;
    padding: 110px 24px;
    background: var(--cm-black);
}

.cm-section--surface {
    background: var(--cm-charcoal);
}

.cm-section--surface::before,
.cm-section--surface::after {
    content: "";
    position: absolute;
    left: 8%;
    right: 8%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--cm-border), transparent);
}

.cm-section--surface::before {
    top: 0;
}

.cm-section--surface::after {
    bottom: 0;
}

.cm-container {
    position: relative;
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
}

.cm-container--narrow {
    max-width: 900px;
}

.cm-text-center {
    text-align: center;
}

.cm-head {
    margin-bottom: 72px;
}

/* ---- Eyebrow ---- */
.cm-eyebrow {
    margin: 0 0 18px;
    font-family: var(--cm-sans);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.42em;
    text-transform: uppercase;
    color: var(--cm-gold);
}

/* ---- Titles ---- */
.cm-title {
    font-size: clamp(1.85rem, 3.5vw, 2.95rem);
    line-height: 1.2;
    max-width: 22ch;
}

.cm-text-center .cm-title {
    max-width: 26ch;
    margin-inline: auto;
}

/* ---- Gold rule ---- */
.cm-rule {
    position: relative;
    width: 84px;
    height: 1px;
    margin: 26px 0;
    background: linear-gradient(90deg, var(--cm-gold), transparent);
}

.cm-rule::after {
    content: "";
    position: absolute;
    top: -2px;
    left: 0;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--cm-gold);
}

.cm-rule--center {
    margin-inline: auto;
    background: linear-gradient(90deg, transparent, var(--cm-gold), transparent);
}

.cm-rule--center::after {
    left: 50%;
    transform: translateX(-50%);
}

/* ---- Body copy ---- */
.cm-lede {
    max-width: 68ch;
    margin: 0 auto;
    font-size: 1.02rem;
    color: var(--cm-muted);
}

.cm-copy p {
    color: var(--cm-muted);
    font-size: 1rem;
}

/* ---- Gold corner brackets ---- */
.cm-corner {
    position: absolute;
    width: 26px;
    height: 26px;
    pointer-events: none;
}

.cm-corner--tl {
    top: 16px;
    left: 16px;
    border-top: 1px solid var(--cm-gold);
    border-left: 1px solid var(--cm-gold);
    border-top-left-radius: 6px;
}

.cm-corner--br {
    right: 16px;
    bottom: 16px;
    border-right: 1px solid var(--cm-gold);
    border-bottom: 1px solid var(--cm-gold);
    border-bottom-right-radius: 6px;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.cm-btn-row {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 40px;
}

.cm-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 14px 32px;
    border: 1px solid var(--cm-border-bright);
    border-radius: 2px;
    overflow: hidden;
    font-family: var(--cm-sans);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    cursor: pointer;
    transition: color var(--cm-fast) var(--cm-ease),
        border-color var(--cm-fast) var(--cm-ease),
        box-shadow var(--cm-fast) var(--cm-ease),
        transform var(--cm-fast) var(--cm-ease);
}

.cm-btn span {
    position: relative;
    z-index: 2;
}
.changing{
    color: black;
}

.cm-btn::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background: var(--cm-gradient-gold);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform var(--cm-mid) var(--cm-ease);
}

.cm-btn--solid {
    color: var(--cm-black);
    border-color: transparent;
    background: var(--cm-gold);
}

.cm-btn--solid::before {
    transform: scaleX(1);
    opacity: 0;
    transition: opacity var(--cm-mid) var(--cm-ease);
}

.cm-btn--solid:hover,
.cm-btn--solid:focus-visible {
    color: var(--cm-black);
    box-shadow: var(--cm-glow);
    transform: translateY(-2px);
}

.cm-btn--solid:hover::before,
.cm-btn--solid:focus-visible::before {
    opacity: 1;
}

/* Hero "Request a Custom Quote" only — black label, easing to a soft grey
   on hover. Scoped to #cm-hero so the final-CTA solid button is untouched.
   The id also outranks `.changeable-menu-content a { color: inherit }`
   (0-1-1), which otherwise beats .cm-btn--solid (0-1-0) and left this
   label inheriting the muted grey. */
#cm-hero .cm-btn--solid {
    color: var(--cm-black);
}

#cm-hero .cm-btn--solid:hover,
#cm-hero .cm-btn--solid:focus-visible {
    color: #4A4A4A;
}

.cm-btn--outline {
    color: var(--cm-white);
    background: transparent;
}

.cm-btn--outline:hover,
.cm-btn--outline:focus-visible {
    color: var(--cm-black);
    border-color: var(--cm-gold);
    transform: translateY(-2px);
}

.cm-btn--outline:hover::before,
.cm-btn--outline:focus-visible::before {
    transform: scaleX(1);
}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.cm-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--cm-slow) var(--cm-ease),
        transform var(--cm-slow) var(--cm-ease);
    will-change: opacity, transform;
}

.cm-reveal.is-visible {
    opacity: 1;
    transform: none;
}

/* ============================================================
   SHARED LINE-WIDTH HELPERS (decorative menu text)
   ============================================================ */
.cm-w40 { width: 40%; }
.cm-w50 { width: 50%; }
.cm-w55 { width: 55%; }
.cm-w60 { width: 60%; }
.cm-w65 { width: 65%; }
.cm-w70 { width: 70%; }
.cm-w75 { width: 75%; }
.cm-w80 { width: 80%; }
.cm-w85 { width: 85%; }
.cm-w90 { width: 90%; }

/* ============================================================
   1. HERO — cinematic cover with modular pages
   ============================================================ */
.cm-hero {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 100vh;
    padding: 160px 24px 110px;
    overflow: hidden;
    background: var(--cm-black);
}

.cm-hero__bg {
    position: absolute;
    inset: -4%;
    z-index: 0;
}

.cm-hero__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.4) saturate(0.75) contrast(1.05);
    transform: translate3d(0, 0, 0);
    will-change: transform;
}

.cm-hero__overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(120% 90% at 78% 40%, rgba(216, 179, 106, 0.16), transparent 58%),
        linear-gradient(90deg, var(--cm-black) 4%, rgba(14, 13, 13, 0.82) 46%, rgba(14, 13, 13, 0.5) 100%),
        linear-gradient(180deg, rgba(14, 13, 13, 0.9), transparent 32%, rgba(14, 13, 13, 0.95));
}

.cm-hero__grain {
    position: absolute;
    inset: 0;
    z-index: 1;
    opacity: 0.35;
    pointer-events: none;
    background-image:
        repeating-linear-gradient(0deg, rgba(216, 179, 106, 0.035) 0 1px, transparent 1px 3px);
}

.cm-hero__inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
    gap: 64px;
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
}

.cm-hero__copy h1 {
    font-size: clamp(2.3rem, 5.2vw, 2.15rem);
    line-height: 1.3;
    letter-spacing: -0.005em;
    max-width: 32ch;
    color: var(--cm-white);
}

.cm-hero__label {
    margin: 22px 0 0;
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.46em;
    text-transform: uppercase;
    color: var(--cm-gold);
}

.cm-hero__label::before {
    content: "";
    display: inline-block;
    width: 42px;
    height: 1px;
    margin: 0 16px 5px 0;
    background: var(--cm-gold);
    vertical-align: middle;
}

.cm-hero__lead {
    max-width: 60ch;
    margin: 28px 0 0;
    font-size: 1rem;
    color: var(--cm-muted);
}

.cm-hero__scroll {
    position: absolute;
    bottom: 34px;
    left: 50%;
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    transform: translateX(-50%);
    font-size: 0.6rem;
    letter-spacing: 0.34em;
    text-transform: uppercase;
    color: var(--cm-muted);
}

.cm-hero__scroll i {
    display: block;
    width: 1px;
    height: 46px;
    background: linear-gradient(180deg, var(--cm-gold), transparent);
    animation: cmScrollPulse 2.4s var(--cm-ease) infinite;
}

@keyframes cmScrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.6); transform-origin: top; }
    50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
}

/* ---- Hero stage: the cover + separated inner pages ---- */
.cm-hero__stage {
    display: flex;
    align-items: center;
    justify-content: center;
    perspective: 1500px;
}

.cm-stage {
    --mx: 0;
    --my: 0;
    position: relative;
    width: min(100%, 460px);
    aspect-ratio: 5 / 6;
    transform: rotateY(calc(var(--mx) * -6deg)) rotateX(calc(var(--my) * 4deg));
    transform-style: preserve-3d;
    transition: transform var(--cm-slow) var(--cm-ease);
}

.cm-stage__halo {
    position: absolute;
    inset: -14%;
    border-radius: 50%;
    background: radial-gradient(circle at 50% 46%, rgba(216, 179, 106, 0.24), transparent 62%);
    filter: blur(6px);
}

.cm-stage__links {
    position: absolute;
    inset: 6% 2%;
    width: 96%;
    height: 88%;
    overflow: visible;
}

.cm-stage__links line {
    stroke: var(--cm-border);
    stroke-width: 1;
    stroke-dasharray: 3 7;
    animation: cmDash 24s linear infinite;
}

@keyframes cmDash {
    to { stroke-dashoffset: -200; }
}

/* Outer cover — the constant */
.cm-cover {
    position: absolute;
    top: 6%;
    left: 0;
    width: 62%;
    height: 88%;
    border: 1px solid var(--cm-border);
    border-radius: 6px 3px 3px 6px;
    background:
        linear-gradient(145deg, #1B1A18 0%, var(--cm-charcoal) 42%, var(--cm-black) 100%);
    box-shadow: var(--cm-shadow), inset 0 1px 0 rgba(216, 179, 106, 0.12);
    transform: translateZ(30px);
}

.cm-cover__frame {
    position: absolute;
    inset: 16px;
    border: 1px solid var(--cm-border-soft);
    border-radius: 3px;
}

.cm-cover__emblem {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--cm-serif);
    font-size: clamp(0.85rem, 1.6vw, 1.15rem);
    font-weight: 500;
    letter-spacing: 0.3em;
    line-height: 1.9;
    text-align: center;
    color: var(--cm-gold);
    text-shadow: 0 0 22px rgba(216, 179, 106, 0.4);
}

.cm-cover__hairline {
    position: absolute;
    bottom: 22%;
    left: 50%;
    width: 46%;
    height: 1px;
    transform: translateX(-50%);
    background: linear-gradient(90deg, transparent, var(--cm-gold), transparent);
}

.cm-cover__corner {
    position: absolute;
    width: 24px;
    height: 24px;
    border: 1px solid var(--cm-gold);
    opacity: 0.85;
}

.cm-cover__corner--tl { top: 8px; left: 8px; border-right: 0; border-bottom: 0; }
.cm-cover__corner--tr { top: 8px; right: 8px; border-left: 0; border-bottom: 0; }
.cm-cover__corner--bl { bottom: 8px; left: 8px; border-right: 0; border-top: 0; }
.cm-cover__corner--br { right: 8px; bottom: 8px; border-left: 0; border-top: 0; }

.cm-cover__posts {
    position: absolute;
    top: 50%;
    right: -5px;
    display: flex;
    flex-direction: column;
    gap: 22%;
    height: 60%;
    transform: translateY(-50%);
}

.cm-cover__posts i {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--cm-gold);
    box-shadow: 0 0 12px rgba(216, 179, 106, 0.65);
}

/* Modular inner pages — slightly separated from the cover */
.cm-leaves {
    position: absolute;
    top: 10%;
    right: 0;
    width: 52%;
    height: 80%;
    transform-style: preserve-3d;
}

.cm-leaf {
    position: absolute;
    inset: 0;
    border: 1px solid var(--cm-border-soft);
    border-radius: 3px;
    background: linear-gradient(160deg, #171614, var(--cm-black));
}

.cm-leaf--d4 { transform: translate3d(26px, -22px, 6px) rotate(3.2deg); opacity: 0.4; }
.cm-leaf--d3 { transform: translate3d(18px, -14px, 12px) rotate(2.1deg); opacity: 0.6; }
.cm-leaf--d2 { transform: translate3d(10px, -7px, 18px) rotate(1deg); opacity: 0.8; }

.cm-leaf--live {
    display: flex;
    flex-direction: column;
    gap: 11px;
    padding: 30px 26px;
    border-color: var(--cm-border);
    background: linear-gradient(160deg, var(--cm-charcoal), var(--cm-black));
    box-shadow: -18px 24px 60px -28px rgba(14, 13, 13, 0.95);
    transform: translate3d(0, 0, 26px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--cm-mid) var(--cm-ease),
        transform var(--cm-slow) var(--cm-ease);
}

.cm-leaf--live.is-active {
    opacity: 1;
    transform: translate3d(0, 0, 26px);
}

.cm-leaf--live.is-leaving {
    opacity: 0;
    transform: translate3d(38px, -12px, 26px) rotate(4deg);
}

.cm-leaf--live.is-entering {
    opacity: 0;
    transform: translate3d(-26px, 14px, 26px) rotate(-3deg);
}

.cm-leaf--live::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--cm-gold), transparent);
    opacity: 0;
    transition: opacity var(--cm-fast) var(--cm-ease);
}

.cm-leaf--live.is-active::after {
    opacity: 1;
}

.cm-leaf__head {
    width: 44%;
    height: 8px;
    margin-bottom: 8px;
    border-radius: 1px;
    background: var(--cm-gold);
    opacity: 0.9;
}

.cm-leaf__line {
    height: 4px;
    border-radius: 1px;
    background: rgba(199, 199, 199, 0.26);
}

.cm-leaf__gap {
    height: 14px;
}

.cm-leaf__dot {
    width: 22px;
    height: 1px;
    margin-top: auto;
    background: var(--cm-gold);
}

.cm-stage__shadow {
    position: absolute;
    right: 8%;
    bottom: -3%;
    left: 8%;
    height: 30px;
    border-radius: 50%;
    background: radial-gradient(ellipse at center, rgba(14, 13, 13, 0.9), transparent 72%);
    filter: blur(10px);
}

/* ============================================================
   2. ABOUT — editorial composition
   ============================================================ */
.cm-about {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    align-items: center;
    gap: 70px;
}

.cm-about__visual {
    position: relative;
    padding: 0 0 78px;
}

.cm-about__photo {
    position: relative;
    margin: 0;
    border: 1px solid var(--cm-border);
    border-radius: var(--cm-radius);
    overflow: hidden;
    box-shadow: var(--cm-shadow);
}

.cm-about__photo img {
    width: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    filter: brightness(0.86) saturate(0.9);
    transition: transform var(--cm-slow) var(--cm-ease);
}

.cm-about__visual:hover .cm-about__photo img {
    transform: scale(1.03);
}

.cm-about__photo::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(200deg, transparent 40%, rgba(14, 13, 13, 0.72));
}

/* Removable page layers floating off the cover */
.cm-about__layers {
    position: absolute;
    top: 12%;
    right: -34px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.cm-plate {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 7px;
    width: 108px;
    padding: 16px 14px;
    border: 1px solid var(--cm-border);
    border-radius: var(--cm-radius-sm);
    background: var(--cm-gradient-panel);
    box-shadow: 0 20px 46px -26px rgba(14, 13, 13, 0.95);
    transition: transform var(--cm-mid) var(--cm-ease),
        border-color var(--cm-mid) var(--cm-ease);
}

.cm-plate i {
    height: 3px;
    border-radius: 1px;
    background: rgba(199, 199, 199, 0.28);
}

.cm-plate i:first-child {
    width: 55%;
    background: var(--cm-gold);
}

.cm-plate i:nth-child(2) { width: 100%; }
.cm-plate i:last-child { width: 72%; }

.cm-plate--1 { transform: translateX(0) rotate(-2deg); }
.cm-plate--2 { transform: translateX(14px) rotate(1.5deg); }
.cm-plate--3 { transform: translateX(4px) rotate(-1deg); }

.cm-about__visual:hover .cm-plate--1 { transform: translateX(-10px) rotate(-3.5deg); border-color: var(--cm-border-bright); }
.cm-about__visual:hover .cm-plate--2 { transform: translateX(24px) rotate(2.5deg); border-color: var(--cm-border-bright); }
.cm-about__visual:hover .cm-plate--3 { transform: translateX(-2px) rotate(-1.8deg); border-color: var(--cm-border-bright); }

/* Decorative-only cycle indicator */
.cm-flow {
    position: absolute;
    bottom: 14px;
    left: 6%;
    display: flex;
    align-items: center;
    width: 76%;
}

.cm-flow__node {
    position: relative;
    flex: 0 0 auto;
    width: 30px;
    height: 30px;
    border: 1px solid var(--cm-border);
    border-radius: 50%;
    background: var(--cm-charcoal);
}

.cm-flow__node::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--cm-gold);
}

/* four distinct decorative glyphs — no words */
.cm-flow__node--cover::before {
    width: 11px;
    height: 13px;
    border-radius: 1px;
}

.cm-flow__node--insert::before {
    width: 13px;
    height: 2px;
    box-shadow: 0 4px 0 var(--cm-gold), 0 -4px 0 var(--cm-gold);
}

.cm-flow__node--update::before {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: transparent;
    border: 1px solid var(--cm-gold);
    border-right-color: transparent;
}

.cm-flow__node--reuse::before {
    width: 10px;
    height: 10px;
    background: transparent;
    border: 1px solid var(--cm-gold);
    transform: translate(-50%, -50%) rotate(45deg);
}

.cm-flow__link {
    flex: 1 1 auto;
    height: 1px;
    background: linear-gradient(90deg, var(--cm-border), var(--cm-border-bright), var(--cm-border));
}

/* Dark editorial panel */
.cm-about__panel {
    position: relative;
    padding: 58px 54px;
    border: 1px solid var(--cm-border);
    border-radius: var(--cm-radius);
    background: var(--cm-gradient-panel);
    box-shadow: var(--cm-shadow);
}

/* ============================================================
   3. WHY CHOOSE — removable menu pages
   ============================================================ */
.cm-pages {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 26px;
}

.cm-page {
    position: relative;
    padding: 52px 30px 40px;
    border: 1px solid var(--cm-border-soft);
    border-radius: 4px 4px var(--cm-radius-sm) var(--cm-radius-sm);
    background: linear-gradient(170deg, var(--cm-charcoal) 0%, var(--cm-black) 100%);
    transition: transform var(--cm-mid) var(--cm-ease),
        border-color var(--cm-mid) var(--cm-ease),
        box-shadow var(--cm-mid) var(--cm-ease);
}

.cm-section--surface .cm-page {
    background: linear-gradient(170deg, #191817 0%, var(--cm-black) 100%);
}

/* punch holes along the top edge */
.cm-page__punch {
    position: absolute;
    top: 13px;
    left: 30px;
    display: flex;
    gap: 14px;
}

.cm-page__punch i {
    width: 7px;
    height: 7px;
    border: 1px solid var(--cm-border);
    border-radius: 50%;
    background: var(--cm-black);
    transition: border-color var(--cm-mid) var(--cm-ease),
        box-shadow var(--cm-mid) var(--cm-ease);
}

.cm-page__num {
    display: block;
    margin-bottom: 18px;
    font-family: var(--cm-serif);
    font-size: 2.1rem;
    line-height: 1;
    color: var(--cm-gold);
    opacity: 0.55;
    transition: opacity var(--cm-mid) var(--cm-ease);
}

.cm-page__tick {
    position: absolute;
    top: 52px;
    right: 0;
    width: 34px;
    height: 1px;
    background: linear-gradient(90deg, var(--cm-gold), transparent);
    transform-origin: right center;
    transform: scaleX(0.45);
    transition: transform var(--cm-mid) var(--cm-ease);
}

.cm-page h3 {
    margin-bottom: 14px;
    font-size: 1.32rem;
    line-height: 1.32;
}

.cm-page p {
    font-size: 0.93rem;
    line-height: 1.78;
}

.cm-page:hover,
.cm-page:focus-within {
    transform: translateY(-12px);
    border-color: var(--cm-border);
    box-shadow: var(--cm-glow), var(--cm-shadow);
}

.cm-page:hover .cm-page__num { opacity: 1; }
.cm-page:hover .cm-page__tick { transform: scaleX(1); }

.cm-page:hover .cm-page__punch i {
    border-color: var(--cm-gold);
    box-shadow: 0 0 10px rgba(216, 179, 106, 0.5);
}

/* ============================================================
   4. FORMATS — the Binding Selector
   ============================================================ */
.cm-binder {
    display: grid;
    grid-template-columns: 250px minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
    gap: 44px;
}

/* ---- Option list ---- */
.cm-binder__selector {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.cm-binder__selector::before {
    content: "";
    position: absolute;
    top: 8px;
    bottom: 8px;
    left: 0;
    width: 1px;
    background: linear-gradient(180deg, transparent, var(--cm-border), transparent);
}

.cm-bind-opt {
    position: relative;
    display: flex;
    align-items: center;
    gap: 16px;
    min-height: 52px;
    padding: 12px 14px 12px 24px;
    border: 0;
    border-radius: 0 var(--cm-radius-sm) var(--cm-radius-sm) 0;
    background: transparent;
    color: var(--cm-muted);
    font-family: var(--cm-sans);
    font-size: 0.86rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    text-align: left;
    cursor: pointer;
    transition: color var(--cm-fast) var(--cm-ease),
        background-color var(--cm-fast) var(--cm-ease),
        transform var(--cm-fast) var(--cm-ease);
}

/* the moving gold highlight */
.cm-bind-opt::before {
    content: "";
    position: absolute;
    top: 8px;
    bottom: 8px;
    left: 0;
    width: 2px;
    background: var(--cm-gold);
    transform: scaleY(0);
    transform-origin: center;
    transition: transform var(--cm-mid) var(--cm-ease);
}

.cm-bind-opt:hover,
.cm-bind-opt:focus-visible {
    color: var(--cm-white);
    background: var(--cm-gold-wash);
    transform: translateX(3px);
}

.cm-bind-opt.is-active {
    color: var(--cm-white);
    background: var(--cm-gold-wash);
}

.cm-bind-opt.is-active::before {
    transform: scaleY(1);
    box-shadow: 0 0 14px rgba(216, 179, 106, 0.7);
}

.cm-bind-opt__label {
    flex: 1 1 auto;
}

/* icon glyphs — each binding drawn in gold */
.cm-bind-opt__icon {
    position: relative;
    flex: 0 0 auto;
    width: 30px;
    height: 30px;
    border: 1px solid var(--cm-border);
    border-radius: 50%;
    transition: border-color var(--cm-fast) var(--cm-ease),
        box-shadow var(--cm-fast) var(--cm-ease);
}

.cm-bind-opt.is-active .cm-bind-opt__icon,
.cm-bind-opt:hover .cm-bind-opt__icon {
    border-color: var(--cm-gold);
    box-shadow: 0 0 12px rgba(216, 179, 106, 0.32);
}

.cm-bind-opt__icon::before,
.cm-bind-opt__icon::after {
    content: "";
    position: absolute;
    background: var(--cm-gold);
}

/* screw: two studs */
.cm-bind-opt__icon--screw::before,
.cm-bind-opt__icon--screw::after {
    left: 50%;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    transform: translateX(-50%);
}
.cm-bind-opt__icon--screw::before { top: 6px; }
.cm-bind-opt__icon--screw::after { bottom: 6px; }

/* ring: two open rings */
.cm-bind-opt__icon--ring::before,
.cm-bind-opt__icon--ring::after {
    left: 50%;
    width: 10px;
    height: 8px;
    border: 1px solid var(--cm-gold);
    border-radius: 50%;
    background: transparent;
    transform: translateX(-50%);
}
.cm-bind-opt__icon--ring::before { top: 5px; }
.cm-bind-opt__icon--ring::after { bottom: 5px; }

/* wiro: coil bars */
.cm-bind-opt__icon--wiro::before {
    top: 7px;
    left: 50%;
    width: 14px;
    height: 2px;
    transform: translateX(-50%);
    box-shadow: 0 5px 0 var(--cm-gold), 0 10px 0 var(--cm-gold);
}
.cm-bind-opt__icon--wiro::after {
    display: none;
}

/* magnetic: two attracting plates */
.cm-bind-opt__icon--magnetic::before {
    top: 50%;
    left: 6px;
    width: 7px;
    height: 12px;
    border-radius: 2px 0 0 2px;
    transform: translateY(-50%);
}
.cm-bind-opt__icon--magnetic::after {
    top: 50%;
    right: 6px;
    width: 7px;
    height: 12px;
    border-radius: 0 2px 2px 0;
    transform: translateY(-50%);
}

/* insert: a sheet sliding into a slot */
.cm-bind-opt__icon--insert::before {
    top: 50%;
    left: 50%;
    width: 15px;
    height: 11px;
    border: 1px solid var(--cm-gold);
    background: transparent;
    transform: translate(-50%, -50%);
}
.cm-bind-opt__icon--insert::after {
    top: 50%;
    left: 50%;
    width: 9px;
    height: 1px;
    transform: translate(-50%, -50%);
}

/* ---- Central reactive cover ---- */
.cm-binder__stage {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px 0 34px;
}

.cm-binder__book {
    position: relative;
    width: min(100%, 300px);
    aspect-ratio: 4 / 5;
}

.cm-binder__glow {
    position: absolute;
    inset: -22%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(216, 179, 106, 0.2), transparent 62%);
}

.cm-binder__cover {
    position: absolute;
    inset: 0 34% 0 0;
    border: 1px solid var(--cm-border);
    border-radius: 4px 2px 2px 4px;
    background: linear-gradient(150deg, #1B1A18, var(--cm-black));
    box-shadow: var(--cm-shadow);
}

.cm-binder__frame {
    position: absolute;
    inset: 12px;
    border: 1px solid var(--cm-border-soft);
}

.cm-binder__emblem {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 84%;
    transform: translate(-50%, -50%);
    font-family: var(--cm-serif);
    font-size: 0.72rem;
    letter-spacing: 0.24em;
    line-height: 1.8;
    text-align: center;
    color: var(--cm-gold);
}

.cm-binder__pages {
    position: absolute;
    inset: 5% 0 5% 62%;
}

.cm-bpage {
    position: absolute;
    inset: 0;
    border: 1px solid var(--cm-border-soft);
    border-radius: 2px;
    background: linear-gradient(160deg, #171614, var(--cm-black));
    transition: transform var(--cm-slow) var(--cm-ease);
}

.cm-bpage--3 { transform: translate(16px, -12px) rotate(3deg); opacity: 0.45; }
.cm-bpage--2 { transform: translate(8px, -6px) rotate(1.6deg); opacity: 0.7; }

.cm-bpage--1 {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 9px;
    padding: 22px 18px;
    border-color: var(--cm-border);
    background: linear-gradient(160deg, var(--cm-charcoal), var(--cm-black));
    box-shadow: -14px 18px 44px -24px rgba(14, 13, 13, 0.95);
}

.cm-bline {
    height: 3px;
    border-radius: 1px;
    background: rgba(199, 199, 199, 0.24);
}

.cm-bline:first-child {
    height: 6px;
    background: var(--cm-gold);
}

/* binding mechanism swaps with the selection */
.cm-binder__mech {
    position: absolute;
    top: 50%;
    left: 62%;
    height: 78%;
    transform: translate(-50%, -50%);
}

.cm-mech {
    position: absolute;
    top: 50%;
    left: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    transform: translate(-50%, -50%) scale(0.7);
    opacity: 0;
    transition: opacity var(--cm-mid) var(--cm-ease),
        transform var(--cm-mid) var(--cm-ease);
}

.cm-mech i {
    background: var(--cm-gold);
    box-shadow: 0 0 12px rgba(216, 179, 106, 0.55);
}

.cm-binder[data-binding="screw"] .cm-mech--screw,
.cm-binder[data-binding="ring"] .cm-mech--ring,
.cm-binder[data-binding="wiro"] .cm-mech--wiro,
.cm-binder[data-binding="magnetic"] .cm-mech--magnetic,
.cm-binder[data-binding="insert"] .cm-mech--insert {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.cm-mech--screw { justify-content: space-around; }
.cm-mech--screw i { width: 12px; height: 12px; border-radius: 50%; }

.cm-mech--ring i {
    width: 16px;
    height: 13px;
    border: 1px solid var(--cm-gold);
    border-radius: 50%;
    background: transparent;
    box-shadow: 0 0 10px rgba(216, 179, 106, 0.4);
}

.cm-mech--wiro i { width: 18px; height: 3px; border-radius: 2px; }

.cm-mech--magnetic { justify-content: space-around; }
.cm-mech--magnetic i { width: 6px; height: 34px; border-radius: 3px; }

.cm-mech--insert i {
    width: 3px;
    height: 100%;
    border-radius: 2px;
    background: linear-gradient(180deg, transparent, var(--cm-gold), transparent);
}

.cm-binder__shadow {
    position: absolute;
    right: 12%;
    bottom: 8px;
    left: 12%;
    height: 24px;
    border-radius: 50%;
    background: radial-gradient(ellipse at center, rgba(14, 13, 13, 0.9), transparent 72%);
    filter: blur(8px);
}

/* ---- Description panel ---- */
.cm-binder__panel {
    position: relative;
    min-height: 300px;
    padding: 50px 46px;
    border: 1px solid var(--cm-border);
    border-radius: var(--cm-radius);
    background: var(--cm-gradient-panel);
    box-shadow: var(--cm-shadow);
}

.cm-bind-panel {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity var(--cm-mid) var(--cm-ease),
        transform var(--cm-mid) var(--cm-ease);
}

.cm-bind-panel.is-active {
    opacity: 1;
    transform: none;
}

.cm-bind-panel[hidden] {
    display: none;
}

.cm-bind-panel__index {
    display: block;
    margin-bottom: 18px;
    font-size: 0.66rem;
    letter-spacing: 0.32em;
    color: var(--cm-gold);
}

.cm-bind-panel h3 {
    font-size: clamp(1.5rem, 2.4vw, 2.05rem);
    line-height: 1.24;
}

.cm-bind-panel p {
    font-size: 1rem;
}

/* ============================================================
   5. CUSTOMIZATION — Menu Construction Studio
   ============================================================ */
.cm-studio {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
    gap: 56px;
}

.cm-studio__stage {
    position: relative;
    padding: 8% 14%;
}

.cm-studio__lines {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    overflow: visible;
    pointer-events: none;
}

.cm-studio__lines line {
    stroke: var(--cm-border-soft);
    stroke-width: 1;
    transition: stroke var(--cm-mid) var(--cm-ease),
        stroke-width var(--cm-mid) var(--cm-ease);
}

.cm-studio__lines line.is-active {
    stroke: var(--cm-gold);
    stroke-width: 1.4;
}

.cm-studio__cover {
    position: relative;
    margin: 0;
    border: 1px solid var(--cm-border);
    border-radius: var(--cm-radius);
    overflow: hidden;
    box-shadow: var(--cm-shadow);
}

.cm-studio__cover img {
    width: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    filter: brightness(0.82) saturate(0.88);
}

.cm-studio__veil {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(80% 60% at 50% 40%, rgba(216, 179, 106, 0.1), transparent 70%),
        linear-gradient(190deg, transparent 42%, rgba(14, 13, 13, 0.66));
}

/* hotspots */
.cm-hotspot {
    position: absolute;
    top: var(--hy);
    left: var(--hx);
    z-index: 3;
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 44px;
    padding: 8px 14px;
    border: 1px solid transparent;
    border-radius: 40px;
    background: rgba(14, 13, 13, 0.78);
    color: var(--cm-muted);
    font-family: var(--cm-sans);
    font-size: 0.74rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    white-space: nowrap;
    cursor: pointer;
    transform: translate(-50%, -50%);
    backdrop-filter: blur(4px);
    transition: color var(--cm-fast) var(--cm-ease),
        border-color var(--cm-fast) var(--cm-ease),
        box-shadow var(--cm-fast) var(--cm-ease);
}

.cm-hotspot__dot {
    position: relative;
    flex: 0 0 auto;
    width: 9px;
    height: 9px;
    border: 1px solid var(--cm-gold);
    border-radius: 50%;
}

.cm-hotspot__dot::after {
    content: "";
    position: absolute;
    inset: 2px;
    border-radius: 50%;
    background: var(--cm-gold);
    opacity: 0;
    transition: opacity var(--cm-fast) var(--cm-ease);
}

.cm-hotspot:hover,
.cm-hotspot:focus-visible {
    color: var(--cm-white);
    border-color: var(--cm-border);
}

.cm-hotspot.is-active {
    color: var(--cm-white);
    border-color: var(--cm-gold);
    box-shadow: 0 0 0 1px rgba(216, 179, 106, 0.18), var(--cm-glow);
}

.cm-hotspot.is-active .cm-hotspot__dot::after {
    opacity: 1;
}

/* studio panel */
.cm-studio__panel {
    position: relative;
    min-height: 290px;
    padding: 52px 46px;
    border: 1px solid var(--cm-border);
    border-radius: var(--cm-radius);
    background: var(--cm-gradient-panel);
    box-shadow: var(--cm-shadow);
}

.cm-studio__card {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity var(--cm-mid) var(--cm-ease),
        transform var(--cm-mid) var(--cm-ease);
}

.cm-studio__card.is-active {
    opacity: 1;
    transform: none;
}

.cm-studio__card[hidden] {
    display: none;
}

.cm-studio__index {
    display: block;
    margin-bottom: 14px;
    font-family: var(--cm-serif);
    font-size: 2rem;
    line-height: 1;
    color: var(--cm-gold);
}

.cm-studio__card h3 {
    font-size: clamp(1.45rem, 2.3vw, 1.95rem);
    line-height: 1.26;
}

/* ============================================================
   6. IDEAL APPLICATIONS — hospitality ecosystem
   ============================================================ */
.cm-eco {
    position: relative;
    aspect-ratio: 16 / 10;
    max-width: 1120px;
    margin: 0 auto;
}

.cm-eco__lines {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.cm-eco__lines line {
    stroke: var(--cm-border-soft);
    stroke-width: 1;
}

.cm-eco__core {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 2;
    width: 15%;
    min-width: 108px;
    transform: translate(-50%, -50%);
}

.cm-eco__ring {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 190%;
    aspect-ratio: 1;
    border: 1px solid var(--cm-border-soft);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: cmBreathe 7s var(--cm-ease) infinite;
}

.cm-eco__ring--2 {
    width: 270%;
    animation-delay: 1.4s;
}

@keyframes cmBreathe {
    0%, 100% { opacity: 0.35; transform: translate(-50%, -50%) scale(0.96); }
    50% { opacity: 0.85; transform: translate(-50%, -50%) scale(1.02); }
}

/* reusable mini cover */
.cm-mini-cover {
    position: relative;
    aspect-ratio: 4 / 5;
    border: 1px solid var(--cm-border);
    border-radius: 4px 2px 2px 4px;
    background: linear-gradient(150deg, #1B1A18, var(--cm-black));
    box-shadow: var(--cm-glow), var(--cm-shadow);
}

.cm-mini-cover__frame {
    position: absolute;
    inset: 8px;
    border: 1px solid var(--cm-border-soft);
}

.cm-mini-cover__emblem {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 86%;
    transform: translate(-50%, -50%);
    font-family: var(--cm-serif);
    font-size: 0.56rem;
    letter-spacing: 0.2em;
    line-height: 1.8;
    text-align: center;
    color: var(--cm-gold);
}

.cm-mini-cover__rule {
    position: absolute;
    bottom: 24%;
    left: 50%;
    width: 44%;
    height: 1px;
    transform: translateX(-50%);
    background: linear-gradient(90deg, transparent, var(--cm-gold), transparent);
}

.cm-mini-cover__posts {
    position: absolute;
    top: 50%;
    right: -3px;
    display: flex;
    flex-direction: column;
    gap: 20%;
    height: 56%;
    transform: translateY(-50%);
}

.cm-mini-cover__posts i {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--cm-gold);
    box-shadow: 0 0 8px rgba(216, 179, 106, 0.6);
}

.cm-mini-cover--lg {
    box-shadow: var(--cm-glow), var(--cm-shadow);
}

.cm-mini-cover--lg .cm-mini-cover__emblem {
    font-size: 0.68rem;
}

/* floating typography nodes */
.cm-eco__nodes {
    position: absolute;
    inset: 0;
}

.cm-eco__node {
    position: absolute;
    top: var(--y);
    left: var(--x);
    transform: translate(-50%, -50%);
    animation: cmFloat 9s var(--cm-ease) infinite;
}

.cm-eco__node:nth-child(even) { animation-duration: 11s; animation-delay: -2s; }
.cm-eco__node:nth-child(3n) { animation-duration: 13s; animation-delay: -4s; }

@keyframes cmFloat {
    0%, 100% { translate: 0 0; }
    50% { translate: 0 -7px; }
}

.cm-eco__node span {
    display: inline-block;
    padding: 9px 16px;
    border: 1px solid transparent;
    border-radius: 40px;
    font-family: var(--cm-serif);
    font-size: clamp(0.9rem, 1.4vw, 1.22rem);
    letter-spacing: 0.04em;
    white-space: nowrap;
    color: var(--cm-muted);
    cursor: default;
    transition: color var(--cm-fast) var(--cm-ease),
        border-color var(--cm-fast) var(--cm-ease),
        text-shadow var(--cm-fast) var(--cm-ease),
        transform var(--cm-fast) var(--cm-ease);
}

.cm-eco__node span:hover {
    color: var(--cm-gold);
    border-color: var(--cm-border);
    text-shadow: 0 0 24px rgba(216, 179, 106, 0.55);
    transform: scale(1.06);
}

/* ============================================================
   7. APPLICATIONS — stacked, rotated menu-page gallery
   ============================================================ */
.cm-stack {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 22px 18px;
    perspective: 1200px;
}

.cm-sheet {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    min-height: 230px;
    padding: 30px 22px 26px;
    border: 1px solid var(--cm-border-soft);
    border-radius: 3px 3px var(--cm-radius-sm) var(--cm-radius-sm);
    background: linear-gradient(168deg, #191817 0%, var(--cm-black) 100%);
    box-shadow: 0 18px 40px -26px rgba(14, 13, 13, 0.95);
    cursor: default;
    transform: rotate(var(--cm-rot, 0deg));
    transition: transform var(--cm-mid) var(--cm-ease),
        border-color var(--cm-mid) var(--cm-ease),
        box-shadow var(--cm-mid) var(--cm-ease),
        z-index 0s;
}

/* alternating "stacked" rotation, slightly irregular */
.cm-sheet:nth-child(7n+1) { --cm-rot: -2.4deg; }
.cm-sheet:nth-child(7n+2) { --cm-rot: 1.8deg; }
.cm-sheet:nth-child(7n+3) { --cm-rot: -1.2deg; }
.cm-sheet:nth-child(7n+4) { --cm-rot: 2.6deg; }
.cm-sheet:nth-child(7n+5) { --cm-rot: -1.9deg; }
.cm-sheet:nth-child(7n+6) { --cm-rot: 1.1deg; }
.cm-sheet:nth-child(7n+7) { --cm-rot: -2.7deg; }

.cm-sheet__punch {
    position: absolute;
    top: 12px;
    left: 22px;
    display: flex;
    gap: 12px;
}

.cm-sheet__punch i {
    width: 6px;
    height: 6px;
    border: 1px solid var(--cm-border);
    border-radius: 50%;
    background: var(--cm-black);
}

.cm-sheet__num {
    position: absolute;
    top: 28px;
    right: 20px;
    font-family: var(--cm-serif);
    font-size: 0.82rem;
    letter-spacing: 0.14em;
    color: var(--cm-gold);
    opacity: 0.5;
    transition: opacity var(--cm-mid) var(--cm-ease);
}

.cm-sheet h3 {
    font-size: 1.08rem;
    line-height: 1.3;
}

.cm-sheet__lines {
    display: flex;
    flex-direction: column;
    gap: 7px;
    margin-top: 16px;
}

.cm-sheet__lines i {
    height: 2px;
    border-radius: 1px;
    background: rgba(199, 199, 199, 0.2);
    transition: background-color var(--cm-mid) var(--cm-ease);
}

.cm-sheet:hover,
.cm-sheet:focus-visible,
.cm-sheet.is-lifted {
    z-index: 5;
    transform: rotate(0deg) translateY(-14px) scale(1.05);
    border-color: var(--cm-gold);
    box-shadow: var(--cm-glow), 0 40px 80px -34px rgba(14, 13, 13, 0.98);
}

.cm-sheet:hover .cm-sheet__num,
.cm-sheet:focus-visible .cm-sheet__num,
.cm-sheet.is-lifted .cm-sheet__num {
    opacity: 1;
}

.cm-sheet:hover .cm-sheet__lines i:first-child,
.cm-sheet:focus-visible .cm-sheet__lines i:first-child,
.cm-sheet.is-lifted .cm-sheet__lines i:first-child {
    background: var(--cm-gold);
}

.cm-swipe-hint {
    display: none;
    margin: 22px 0 0;
    font-size: 0.62rem;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    text-align: center;
    color: var(--cm-gold);
}

/* ============================================================
   8. LONG-TERM FLEXIBILITY — same cover, changing interiors
   ============================================================ */
.cm-longterm {
    background: var(--cm-black);
}

.cm-longterm__grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
    gap: 70px;
}

.cm-longterm__visual {
    position: relative;
    padding: 10px 0 0;
}

.cm-swap {
    position: relative;
    width: min(100%, 470px);
    margin: 0 auto;
    aspect-ratio: 5 / 4;
}

.cm-swap__cover {
    position: absolute;
    top: 4%;
    left: 0;
    width: 55%;
    height: 92%;
    border: 1px solid var(--cm-border);
    border-radius: 6px 3px 3px 6px;
    background: linear-gradient(145deg, #1B1A18 0%, var(--cm-charcoal) 44%, var(--cm-black) 100%);
    box-shadow: var(--cm-shadow), inset 0 1px 0 rgba(216, 179, 106, 0.12);
}

.cm-swap__frame {
    position: absolute;
    inset: 14px;
    border: 1px solid var(--cm-border-soft);
}

.cm-swap__emblem {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 84%;
    transform: translate(-50%, -50%);
    font-family: var(--cm-serif);
    font-size: 0.82rem;
    letter-spacing: 0.26em;
    line-height: 1.9;
    text-align: center;
    color: var(--cm-gold);
    text-shadow: 0 0 20px rgba(216, 179, 106, 0.38);
}

.cm-swap__hair {
    position: absolute;
    bottom: 24%;
    left: 50%;
    width: 46%;
    height: 1px;
    transform: translateX(-50%);
    background: linear-gradient(90deg, transparent, var(--cm-gold), transparent);
}

.cm-swap__posts {
    position: absolute;
    top: 50%;
    right: -4px;
    display: flex;
    flex-direction: column;
    gap: 22%;
    height: 58%;
    transform: translateY(-50%);
}

.cm-swap__posts i {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--cm-gold);
    box-shadow: 0 0 10px rgba(216, 179, 106, 0.6);
}

.cm-swap__inners {
    position: absolute;
    top: 8%;
    right: 0;
    width: 50%;
    height: 84%;
}

.cm-inner {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 26px 22px;
    border: 1px solid var(--cm-border);
    border-radius: 3px;
    background: linear-gradient(160deg, var(--cm-charcoal), var(--cm-black));
    box-shadow: -16px 22px 54px -28px rgba(14, 13, 13, 0.95);
    opacity: 0;
    transform: translateX(26px) rotate(2.4deg);
    pointer-events: none;
    transition: opacity var(--cm-mid) var(--cm-ease),
        transform var(--cm-slow) var(--cm-ease);
}

.cm-inner.is-active {
    opacity: 1;
    transform: none;
}

.cm-inner::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--cm-gold), transparent);
}

.cm-iline {
    height: 4px;
    border-radius: 1px;
    background: rgba(199, 199, 199, 0.24);
}

.cm-iline:first-of-type {
    height: 7px;
    background: var(--cm-gold);
    opacity: 0.9;
}

.cm-igap {
    height: 12px;
}

.cm-idot {
    width: 22px;
    height: 1px;
    margin-top: auto;
    background: var(--cm-gold);
}

.cm-swap__shadow {
    position: absolute;
    right: 10%;
    bottom: -14px;
    left: 10%;
    height: 26px;
    border-radius: 50%;
    background: radial-gradient(ellipse at center, rgba(14, 13, 13, 0.9), transparent 72%);
    filter: blur(9px);
}

/* subtle gold timeline */
.cm-timeline {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: min(100%, 380px);
    height: 44px;
    margin: 34px auto 0;
}

.cm-timeline__rail {
    position: absolute;
    top: 50%;
    right: 8px;
    left: 8px;
    height: 1px;
    background: var(--cm-border-soft);
}

.cm-timeline__fill {
    position: absolute;
    top: 50%;
    left: 8px;
    width: 0;
    height: 1px;
    background: linear-gradient(90deg, var(--cm-gold), rgba(216, 179, 106, 0.5));
    box-shadow: 0 0 10px rgba(216, 179, 106, 0.5);
    transition: width var(--cm-slow) var(--cm-ease);
}

.cm-timeline__node {
    position: relative;
    z-index: 2;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: pointer;
}

.cm-timeline__node::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 11px;
    height: 11px;
    border: 1px solid var(--cm-border);
    border-radius: 50%;
    background: var(--cm-black);
    transform: translate(-50%, -50%);
    transition: border-color var(--cm-fast) var(--cm-ease),
        box-shadow var(--cm-fast) var(--cm-ease),
        transform var(--cm-fast) var(--cm-ease);
}

.cm-timeline__node::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--cm-gold);
    opacity: 0;
    transform: translate(-50%, -50%);
    transition: opacity var(--cm-fast) var(--cm-ease);
}

.cm-timeline__node:hover::before,
.cm-timeline__node:focus-visible::before {
    border-color: var(--cm-gold);
    transform: translate(-50%, -50%) scale(1.2);
}

.cm-timeline__node.is-active::before {
    border-color: var(--cm-gold);
    box-shadow: 0 0 14px rgba(216, 179, 106, 0.55);
}

.cm-timeline__node.is-active::after {
    opacity: 1;
}

/* ============================================================
   9. FEATURES & BENEFITS — modular board
   ============================================================ */
.cm-board {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 210px minmax(0, 1fr);
    align-items: center;
    gap: 34px;
    max-width: 1160px;
    margin: 0 auto;
}

.cm-board__lines {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.cm-board__lines line {
    stroke: var(--cm-border-soft);
    stroke-width: 1;
}

.cm-board__core {
    position: relative;
    grid-column: 2;
}

.cm-board__leaf {
    position: absolute;
    top: 8%;
    width: 88%;
    height: 84%;
    border: 1px solid var(--cm-border-soft);
    border-radius: 2px;
    background: linear-gradient(160deg, #171614, var(--cm-black));
}

.cm-board__leaf--1 {
    right: -16px;
    transform: rotate(3.4deg);
    opacity: 0.55;
}

.cm-board__leaf--2 {
    right: -8px;
    transform: rotate(1.6deg);
    opacity: 0.75;
}

.cm-board__core .cm-mini-cover {
    position: relative;
    z-index: 2;
}

.cm-board__list {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.cm-board__list--left { grid-column: 1; grid-row: 1; }
.cm-board__list--right { grid-column: 3; grid-row: 1; }

.cm-plate-item {
    display: flex;
    align-items: center;
    gap: 14px;
    min-height: 52px;
    padding: 14px 20px;
    border: 1px solid var(--cm-border-soft);
    border-radius: var(--cm-radius-sm);
    background: linear-gradient(140deg, rgba(21, 21, 21, 0.95), rgba(14, 13, 13, 0.9));
    transition: transform var(--cm-mid) var(--cm-ease),
        border-color var(--cm-mid) var(--cm-ease),
        box-shadow var(--cm-mid) var(--cm-ease);
}

.cm-plate-item strong {
    font-family: var(--cm-serif);
    font-size: 1.06rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    color: var(--cm-white);
}

.cm-plate-item__mark {
    position: relative;
    flex: 0 0 auto;
    width: 22px;
    height: 22px;
    border: 1px solid var(--cm-border);
    border-radius: 3px;
    transition: border-color var(--cm-mid) var(--cm-ease);
}

.cm-plate-item__mark::before,
.cm-plate-item__mark::after {
    content: "";
    position: absolute;
    left: 5px;
    width: 11px;
    height: 1px;
    background: var(--cm-gold);
    opacity: 0.7;
}

.cm-plate-item__mark::before { top: 7px; }
.cm-plate-item__mark::after { top: 12px; width: 7px; }

.cm-board__list--left .cm-plate-item:hover {
    transform: translateX(10px);
}

.cm-board__list--right .cm-plate-item:hover {
    transform: translateX(-10px);
}

.cm-plate-item:hover {
    border-color: var(--cm-border-bright);
    box-shadow: var(--cm-glow);
}

.cm-plate-item:hover .cm-plate-item__mark {
    border-color: var(--cm-gold);
}

/* ============================================================
   10. FAQ — premium accordion
   ============================================================ */
.cm-faq {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.cm-faq__item {
    position: relative;
    border: 1px solid var(--cm-border-soft);
    border-radius: var(--cm-radius);
    background: var(--cm-charcoal);
    overflow: hidden;
    transition: border-color var(--cm-mid) var(--cm-ease),
        box-shadow var(--cm-mid) var(--cm-ease),
        background-color var(--cm-mid) var(--cm-ease);
}

.cm-faq__item:hover {
    border-color: var(--cm-border);
}

.cm-faq__item.is-open {
    border-color: var(--cm-gold);
    background: var(--cm-gradient-panel);
    box-shadow: var(--cm-glow);
}

.cm-faq__h {
    margin: 0;
    font: inherit;
}

.cm-faq__q {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 26px;
    width: 100%;
    min-height: 74px;
    padding: 26px 34px;
    border: 0;
    background: transparent;
    color: var(--cm-white);
    font-family: var(--cm-serif);
    font-size: clamp(1.08rem, 1.8vw, 1.42rem);
    font-weight: 500;
    line-height: 1.4;
    text-align: left;
    cursor: pointer;
    transition: color var(--cm-fast) var(--cm-ease);
}

.cm-faq__q:hover {
    color: var(--cm-gold);
}

.cm-faq__item.is-open .cm-faq__q {
    color: var(--cm-gold);
}

/* gold plus / minus */
.cm-faq__icon {
    position: relative;
    flex: 0 0 auto;
    width: 34px;
    height: 34px;
    border: 1px solid var(--cm-border);
    border-radius: 50%;
    transition: border-color var(--cm-fast) var(--cm-ease),
        transform var(--cm-mid) var(--cm-ease),
        box-shadow var(--cm-fast) var(--cm-ease);
}

.cm-faq__icon::before,
.cm-faq__icon::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    background: var(--cm-gold);
    transform: translate(-50%, -50%);
    transition: opacity var(--cm-fast) var(--cm-ease),
        transform var(--cm-mid) var(--cm-ease);
}

.cm-faq__icon::before {
    width: 13px;
    height: 1px;
}

.cm-faq__icon::after {
    width: 1px;
    height: 13px;
}

.cm-faq__q:hover .cm-faq__icon {
    border-color: var(--cm-gold);
}

.cm-faq__item.is-open .cm-faq__icon {
    border-color: var(--cm-gold);
    box-shadow: 0 0 16px rgba(216, 179, 106, 0.4);
    transform: rotate(180deg);
}

.cm-faq__item.is-open .cm-faq__icon::after {
    opacity: 0;
    transform: translate(-50%, -50%) scaleY(0);
}

.cm-faq__a {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--cm-mid) var(--cm-ease);
}

.cm-faq__a-inner {
    padding: 0 34px 32px;
}

.cm-faq__a-inner::before {
    content: "";
    display: block;
    width: 64px;
    height: 1px;
    margin-bottom: 22px;
    background: linear-gradient(90deg, var(--cm-gold), transparent);
}

.cm-faq__a-inner p {
    max-width: 68ch;
    font-size: 0.98rem;
    color: var(--cm-muted);
}

/* ============================================================
   11. FINAL CTA — cinematic close
   ============================================================ */
.cm-final {
    position: relative;
    padding: 130px 24px;
    overflow: hidden;
    background: var(--cm-black);
}

.cm-final__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.cm-final__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.34) saturate(0.7);
}

.cm-final__overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(110% 80% at 22% 46%, rgba(216, 179, 106, 0.14), transparent 60%),
        linear-gradient(90deg, rgba(14, 13, 13, 0.62) 0%, rgba(14, 13, 13, 0.88) 52%, var(--cm-black) 100%),
        linear-gradient(180deg, var(--cm-black), transparent 26%, var(--cm-black));
}

.cm-final__inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: center;
    gap: 60px;
    max-width: 1280px;
    margin: 0 auto;
}

/* cover + varied interior pages */
.cm-final__visual {
    position: relative;
    aspect-ratio: 1 / 1;
}

.cm-final__cover {
    position: absolute;
    top: 12%;
    left: 6%;
    width: 48%;
    height: 76%;
    border: 1px solid var(--cm-border);
    border-radius: 6px 3px 3px 6px;
    background: linear-gradient(145deg, #1B1A18 0%, var(--cm-charcoal) 44%, var(--cm-black) 100%);
    box-shadow: var(--cm-glow), var(--cm-shadow);
    z-index: 4;
}

.cm-final__frame {
    position: absolute;
    inset: 13px;
    border: 1px solid var(--cm-border-soft);
}

.cm-final__emblem {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 84%;
    transform: translate(-50%, -50%);
    font-family: var(--cm-serif);
    font-size: 0.78rem;
    letter-spacing: 0.26em;
    line-height: 1.9;
    text-align: center;
    color: var(--cm-gold);
    text-shadow: 0 0 20px rgba(216, 179, 106, 0.4);
}

.cm-final__hair {
    position: absolute;
    bottom: 24%;
    left: 50%;
    width: 46%;
    height: 1px;
    transform: translateX(-50%);
    background: linear-gradient(90deg, transparent, var(--cm-gold), transparent);
}

.cm-final__posts {
    position: absolute;
    top: 50%;
    right: -4px;
    display: flex;
    flex-direction: column;
    gap: 22%;
    height: 56%;
    transform: translateY(-50%);
}

.cm-final__posts i {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--cm-gold);
    box-shadow: 0 0 10px rgba(216, 179, 106, 0.6);
}

.cm-final__page {
    position: absolute;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 9px;
    width: 42%;
    height: 62%;
    padding: 24px 20px;
    border: 1px solid var(--cm-border-soft);
    border-radius: 3px;
    background: linear-gradient(160deg, var(--cm-charcoal), var(--cm-black));
    box-shadow: 0 26px 60px -32px rgba(14, 13, 13, 0.98);
    animation: cmFloat 10s var(--cm-ease) infinite;
}

.cm-final__page i {
    height: 3px;
    border-radius: 1px;
    background: rgba(199, 199, 199, 0.22);
}

.cm-final__page i:first-child {
    height: 6px;
    background: var(--cm-gold);
    opacity: 0.85;
}

.cm-final__page--1 {
    top: 6%;
    right: 8%;
    z-index: 3;
    transform: rotate(4.5deg);
}

.cm-final__page--2 {
    top: 26%;
    right: 0;
    z-index: 2;
    transform: rotate(-2.6deg);
    animation-delay: -3s;
}

.cm-final__page--3 {
    right: 14%;
    bottom: 2%;
    z-index: 1;
    transform: rotate(2.2deg);
    animation-delay: -6s;
}

/* offset dark panel */
.cm-final__panel {
    position: relative;
    padding: 62px 58px;
    border: 1px solid var(--cm-border);
    border-radius: var(--cm-radius);
    background: linear-gradient(158deg, rgba(21, 21, 21, 0.97), rgba(14, 13, 13, 0.97));
    box-shadow: var(--cm-shadow);
    backdrop-filter: blur(3px);
}

.cm-final__panel h2 {
    max-width: 24ch;
    font-size: clamp(1.85rem, 3.4vw, 2.85rem);
    line-height: 1.18;
}

.cm-final__copy {
    max-width: 62ch;
    font-size: 1rem;
    color: var(--cm-muted);
}

.cm-final__panel .cm-btn {
    flex: 0 1 auto;
}

/* ============================================================
   12. RESPONSIVE — LARGE DESKTOP / SMALL DESKTOP
   ============================================================ */
@media (max-width: 1399px) {
    .cm-container {
        max-width: 1140px;
    }

    .cm-binder {
        grid-template-columns: 228px minmax(0, 0.9fr) minmax(0, 1.05fr);
        gap: 34px;
    }

    .cm-about__panel,
    .cm-final__panel {
        padding: 52px 44px;
    }
}

@media (max-width: 1199px) {
    .cm-section,
    .cm-final {
        padding: 92px 24px;
    }

    .cm-head {
        margin-bottom: 60px;
    }

    /* Why choose → 2 columns */
    .cm-pages {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    /* Applications → 4 columns, calmer rotation */
    .cm-stack {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .cm-sheet:nth-child(n) {
        --cm-rot: -1.2deg;
    }

    .cm-sheet:nth-child(even) {
        --cm-rot: 1.2deg;
    }

    /* Binding selector → selector on top, stage + panel below */
    .cm-binder {
        grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
        gap: 42px 40px;
    }

    .cm-binder__selector {
        grid-column: 1 / -1;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }

    .cm-binder__selector::before {
        top: auto;
        right: 0;
        bottom: 0;
        left: 0;
        width: auto;
        height: 1px;
        background: linear-gradient(90deg, transparent, var(--cm-border), transparent);
    }

    .cm-bind-opt {
        padding: 12px 20px;
        border-radius: var(--cm-radius-sm) var(--cm-radius-sm) 0 0;
    }

    .cm-bind-opt::before {
        top: auto;
        right: 8px;
        bottom: 0;
        left: 8px;
        width: auto;
        height: 2px;
        transform: scaleX(0);
    }

    .cm-bind-opt.is-active::before {
        transform: scaleX(1);
    }

    .cm-bind-opt:hover,
    .cm-bind-opt:focus-visible {
        transform: translateY(-2px);
    }

    /* Ecosystem — simplified connector lines */
    .cm-eco {
        aspect-ratio: 4 / 3;
    }

    .cm-eco__lines {
        opacity: 0.5;
    }

    .cm-eco__ring--2 {
        display: none;
    }

    /* Features board — thinner centre */
    .cm-board {
        grid-template-columns: minmax(0, 1fr) 170px minmax(0, 1fr);
        gap: 22px;
    }

    .cm-board__lines {
        opacity: 0.45;
    }
}

/* ============================================================
   13. RESPONSIVE — TABLET
   ============================================================ */
@media (max-width: 991px) {
    .changeable-menu-content {
        font-size: 15.5px;
    }

    .cm-section,
    .cm-final {
        padding: 80px 22px;
    }

    /* Hero → stacked, copy first */
    .cm-hero {
        min-height: auto;
        padding: 140px 22px 96px;
    }

    .cm-hero__inner {
        grid-template-columns: minmax(0, 1fr);
        gap: 54px;
    }

    .cm-hero__copy h1 {
        max-width: 20ch;
    }

    .cm-hero__stage {
        order: 2;
    }

    .cm-stage {
        width: min(100%, 400px);
    }

    .cm-hero__scroll {
        display: none;
    }

    /* About → single column, layers tucked in */
    .cm-about {
        grid-template-columns: minmax(0, 1fr);
        gap: 44px;
    }

    .cm-about__visual {
        padding-bottom: 70px;
    }

    .cm-about__layers {
        top: auto;
        right: 18px;
        bottom: 92px;
        flex-direction: row;
        gap: 12px;
    }

    .cm-plate {
        width: 92px;
        padding: 13px 12px;
    }

    .cm-about__photo img {
        aspect-ratio: 3 / 2;
    }

    .cm-flow {
        left: 50%;
        width: min(88%, 340px);
        transform: translateX(-50%);
    }

    .cm-about__panel {
        padding: 44px 34px;
    }

    /* Binding selector → fully stacked */
    .cm-binder {
        grid-template-columns: minmax(0, 1fr);
        gap: 34px;
    }

    .cm-binder__stage {
        padding: 6px 0 26px;
    }

    .cm-binder__book {
        width: min(100%, 250px);
    }

    .cm-binder__panel {
        min-height: 0;
        padding: 40px 32px;
    }

    /* Construction studio → cover, then hotspot chips, then panel */
    .cm-studio {
        grid-template-columns: minmax(0, 1fr);
        gap: 34px;
    }

    .cm-studio__stage {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
        padding: 0;
    }

    .cm-studio__lines {
        display: none;
    }

    .cm-studio__cover {
        flex: 1 1 100%;
        margin-bottom: 8px;
    }

    .cm-studio__cover img {
        aspect-ratio: 16 / 10;
    }

    .cm-hotspot {
        position: static;
        flex: 0 1 auto;
        transform: none;
        border-color: var(--cm-border-soft);
        white-space: normal;
    }

    .cm-hotspot:hover,
    .cm-hotspot:focus-visible {
        transform: none;
    }

    .cm-studio__panel {
        min-height: 0;
        padding: 40px 32px;
    }

    /* Ecosystem → flowing typography grid, no absolute web */
    .cm-eco {
        aspect-ratio: auto;
    }

    .cm-eco__lines,
    .cm-eco__ring {
        display: none;
    }

    .cm-eco__core {
        position: relative;
        top: auto;
        left: auto;
        width: 128px;
        margin: 0 auto 40px;
        transform: none;
    }

    .cm-eco__nodes {
        position: relative;
        inset: auto;
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }

    .cm-eco__node {
        position: relative;
        top: auto;
        left: auto;
        transform: none;
        animation: none;
    }

    .cm-eco__node span {
        border-color: var(--cm-border-soft);
    }

    /* Applications → 3 columns */
    .cm-stack {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    /* Long-term flexibility → stacked */
    .cm-longterm__grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 48px;
    }

    .cm-longterm__copy {
        order: -1;
    }

    /* Features board → two columns, no centre cover */
    .cm-board {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 14px;
    }

    .cm-board__lines {
        display: none;
    }

    .cm-board__core {
        grid-column: 1 / -1;
        grid-row: 1;
        width: 150px;
        margin: 0 auto 26px;
    }

    .cm-board__list--left,
    .cm-board__list--right {
        grid-row: 2;
    }

    .cm-board__list--left { grid-column: 1; }
    .cm-board__list--right { grid-column: 2; }

    /* FAQ */
    .cm-faq__q {
        padding: 22px 26px;
    }

    .cm-faq__a-inner {
        padding: 0 26px 28px;
    }

    /* Final CTA → stacked, panel first */
    .cm-final__inner {
        grid-template-columns: minmax(0, 1fr);
        gap: 48px;
    }

    .cm-final__panel {
        order: -1;
        padding: 46px 34px;
    }

    .cm-final__visual {
        max-width: 460px;
        margin: 0 auto;
    }
}

/* ============================================================
   14. RESPONSIVE — MOBILE (rebuilt, not shrunk)
   ============================================================ */
@media (max-width: 767px) {
    .changeable-menu-content {
        font-size: 15px;
        line-height: 1.8;
    }

    .cm-section,
    .cm-final {
        padding: 64px 18px;
    }

    .cm-head {
        margin-bottom: 44px;
    }

    .cm-title,
    .cm-text-center .cm-title {
        max-width: none;
    }

    .cm-lede {
        font-size: 0.97rem;
    }

    /* Buttons full-width and thumb-friendly */
    .cm-btn-row {
        flex-direction: column;
        gap: 12px;
        margin-top: 32px;
    }

    .cm-btn {
        width: 100%;
        min-height: 54px;
        padding: 15px 22px;
        font-size: 0.68rem;
        letter-spacing: 0.16em;
    }

    /* Hero */
    .cm-hero {
        padding: 118px 18px 72px;
    }

    .cm-hero__inner {
        gap: 44px;
    }

    .cm-hero__copy h1 {
        font-size: clamp(2rem, 8.6vw, 2.6rem);
        line-height: 1.14;
        max-width: none;
    }

    .cm-hero__label {
        margin-top: 18px;
        font-size: 0.6rem;
        letter-spacing: 0.34em;
    }

    .cm-hero__label::before {
        width: 26px;
        margin-right: 12px;
    }

    .cm-hero__lead {
        margin-top: 22px;
        font-size: 0.96rem;
    }

    .cm-stage {
        width: min(100%, 320px);
        transform: none;
    }

    .cm-stage__links {
        display: none;
    }

    .cm-cover__emblem {
        font-size: 0.78rem;
        letter-spacing: 0.22em;
    }

    .cm-cover__corner {
        width: 18px;
        height: 18px;
    }

    .cm-leaf--live {
        gap: 8px;
        padding: 22px 18px;
    }

    /* About */
    .cm-about__visual {
        padding-bottom: 64px;
    }

    .cm-about__layers {
        right: 12px;
        bottom: 84px;
        gap: 8px;
    }

    .cm-plate {
        width: 68px;
        padding: 11px 10px;
        gap: 5px;
    }

    .cm-about__panel {
        padding: 34px 22px;
        border-radius: var(--cm-radius-sm);
    }

    .cm-corner {
        width: 18px;
        height: 18px;
    }

    .cm-corner--tl { top: 12px; left: 12px; }
    .cm-corner--br { right: 12px; bottom: 12px; }

    .cm-flow__node {
        width: 24px;
        height: 24px;
    }

    /* Why choose → single column */
    .cm-pages {
        grid-template-columns: minmax(0, 1fr);
        gap: 18px;
    }

    .cm-page {
        padding: 46px 24px 32px;
    }

    .cm-page:hover {
        transform: none;
    }

    /* Binding selector → horizontal touch strip */
    .cm-binder__selector {
        flex-wrap: nowrap;
        justify-content: flex-start;
        gap: 8px;
        margin: 0 -18px;
        padding: 0 18px 12px;
        overflow-x: auto;
        overscroll-behavior-x: contain;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .cm-binder__selector::-webkit-scrollbar {
        display: none;
    }

    .cm-binder__selector::before {
        display: none;
    }

    .cm-bind-opt {
        flex: 0 0 auto;
        min-height: 48px;
        padding: 11px 16px;
        border: 1px solid var(--cm-border-soft);
        border-radius: 40px;
        font-size: 0.78rem;
        scroll-snap-align: center;
    }

    .cm-bind-opt::before {
        display: none;
    }

    .cm-bind-opt.is-active {
        border-color: var(--cm-gold);
        box-shadow: 0 0 14px -2px rgba(216, 179, 106, 0.4);
    }

    .cm-bind-opt__icon {
        width: 26px;
        height: 26px;
    }

    .cm-binder__book {
        width: min(100%, 210px);
    }

    .cm-binder__panel {
        padding: 32px 22px;
        border-radius: var(--cm-radius-sm);
    }

    /* Construction studio */
    .cm-studio__cover img {
        aspect-ratio: 3 / 2;
    }

    .cm-studio__stage {
        justify-content: flex-start;
        gap: 8px;
    }

    .cm-hotspot {
        min-height: 44px;
        padding: 9px 14px;
        font-size: 0.68rem;
        letter-spacing: 0.08em;
    }

    .cm-studio__panel {
        padding: 32px 22px;
        border-radius: var(--cm-radius-sm);
    }

    .cm-studio__index {
        font-size: 1.7rem;
    }

    /* Ecosystem */
    .cm-eco__core {
        width: 104px;
        margin-bottom: 32px;
    }

    .cm-eco__nodes {
        gap: 8px;
    }

    .cm-eco__node span {
        padding: 9px 14px;
        font-size: 0.9rem;
    }

    /* Applications → swipeable horizontal carousel */
    .cm-stack {
        display: flex;
        gap: 14px;
        margin: 0 -18px;
        padding: 8px 18px 20px;
        overflow-x: auto;
        overscroll-behavior-x: contain;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        perspective: none;
    }

    .cm-stack::-webkit-scrollbar {
        display: none;
    }

    .cm-sheet {
        flex: 0 0 74%;
        min-height: 206px;
        scroll-snap-align: center;
    }

    .cm-sheet:nth-child(n),
    .cm-sheet:nth-child(even) {
        --cm-rot: 0deg;
    }

    .cm-sheet:hover,
    .cm-sheet:focus-visible,
    .cm-sheet.is-lifted {
        transform: none;
    }

    .cm-swipe-hint {
        display: block;
    }

    /* Long-term flexibility */
    .cm-swap {
        width: min(100%, 330px);
        aspect-ratio: 4 / 3.4;
    }

    .cm-swap__emblem {
        font-size: 0.68rem;
        letter-spacing: 0.2em;
    }

    .cm-inner {
        gap: 8px;
        padding: 20px 16px;
    }

    .cm-timeline {
        width: min(100%, 290px);
        margin-top: 26px;
    }

    /* Features board → single column list */
    .cm-board {
        grid-template-columns: minmax(0, 1fr);
        gap: 12px;
    }

    .cm-board__core {
        grid-column: 1;
        width: 124px;
        margin-bottom: 22px;
    }

    .cm-board__list--left,
    .cm-board__list--right {
        grid-column: 1;
        grid-row: auto;
        gap: 12px;
    }

    .cm-board__list--left .cm-plate-item:hover,
    .cm-board__list--right .cm-plate-item:hover {
        transform: none;
    }

    .cm-plate-item {
        min-height: 54px;
        padding: 13px 16px;
        border-radius: 12px;
    }

    .cm-plate-item strong {
        font-size: 1rem;
    }

    /* FAQ */
    .cm-faq {
        gap: 14px;
    }

    .cm-faq__item {
        border-radius: var(--cm-radius-sm);
    }

    .cm-faq__q {
        gap: 16px;
        min-height: 64px;
        padding: 20px 20px;
        font-size: 1.06rem;
    }

    .cm-faq__icon {
        width: 30px;
        height: 30px;
    }

    .cm-faq__a-inner {
        padding: 0 20px 24px;
    }

    .cm-faq__a-inner::before {
        margin-bottom: 18px;
    }

    .cm-faq__a-inner p {
        font-size: 0.95rem;
    }

    /* Final CTA */
    .cm-final__panel {
        padding: 36px 22px;
        border-radius: var(--cm-radius-sm);
    }

    .cm-final__panel h2 {
        max-width: none;
        font-size: clamp(1.6rem, 6.6vw, 2.1rem);
    }

    .cm-final__copy {
        font-size: 0.96rem;
    }

    .cm-final__visual {
        max-width: 320px;
        aspect-ratio: 1 / 0.92;
    }

    .cm-final__emblem {
        font-size: 0.66rem;
        letter-spacing: 0.2em;
    }

    .cm-final__page {
        padding: 18px 15px;
        gap: 7px;
    }
}

@media (max-width: 479px) {
    .cm-section,
    .cm-final {
        padding: 56px 16px;
    }

    .cm-sheet {
        flex-basis: 82%;
    }

    .cm-stack,
    .cm-binder__selector {
        margin-inline: -16px;
        padding-inline: 16px;
    }

    .cm-about__layers {
        right: 8px;
        bottom: 80px;
    }

    .cm-plate {
        width: 58px;
    }

    .cm-eco__node span {
        font-size: 0.85rem;
        padding: 8px 12px;
    }
}

/* ============================================================
   15. TOUCH DEVICES — no hover-only dependencies
   ============================================================ */
@media (hover: none) {
    .cm-about__visual:hover .cm-about__photo img {
        transform: none;
    }

    .cm-about__visual:hover .cm-plate--1,
    .cm-about__visual:hover .cm-plate--2,
    .cm-about__visual:hover .cm-plate--3 {
        transform: none;
        border-color: var(--cm-border);
    }
}

/* ============================================================
   16. REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    .changeable-menu-content *,
    .changeable-menu-content *::before,
    .changeable-menu-content *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }

    .cm-reveal {
        opacity: 1;
        transform: none;
    }

    .cm-hero__bg img,
    .cm-stage {
        transform: none !important;
    }

    .cm-leaf--live {
        transition: none;
    }

    .cm-leaf--live.is-leaving,
    .cm-leaf--live.is-entering {
        transform: translate3d(0, 0, 26px);
    }

    .cm-eco__node,
    .cm-final__page,
    .cm-hero__scroll i,
    .cm-stage__links line,
    .cm-eco__ring {
        animation: none;
    }

    .cm-page:hover,
    .cm-sheet:hover,
    .cm-sheet.is-lifted,
    .cm-plate-item:hover,
    .cm-btn:hover {
        transform: none;
    }
}

/* ============================================================
   17. PRINT
   ============================================================ */
@media print {
    .changeable-menu-content {
        background: #fff;
        color: #000;
    }

    .cm-hero__bg,
    .cm-final__bg,
    .cm-hero__grain,
    .cm-stage__links,
    .cm-eco__lines,
    .cm-board__lines,
    .cm-studio__lines,
    .cm-hero__scroll {
        display: none;
    }

    .cm-reveal {
        opacity: 1;
        transform: none;
    }

    .cm-faq__a {
        max-height: none !important;
    }
}