/* ================================================================
   Q TIMER LANDING — 2026 Visual Design
   Cinematic hero with animated gradient ring · Glass morphism
   Bento grid with gradient borders · Noise textures · Rich depth
   ================================================================ */

/* ── Tokens ────────────────────────────────────── */
:root {
    --bg: #f2f3f7;
    --bg-alt: #ffffff;
    --bg-deep: #e8eaf0;
    --text: #111827;
    --text-2: #4b5563;
    --text-3: #9ca3af;
    --border: rgba(0, 0, 0, 0.1);
    --border-strong: rgba(0, 0, 0, 0.15);
    --accent: #6366f1;
    --accent-h: #818cf8;
    --accent-2: #a855f7;
    --accent-bg: rgba(99, 102, 241, 0.08);
    --accent-glow: rgba(99, 102, 241, 0.2);
    --accent-glow-strong: rgba(99, 102, 241, 0.35);
    --radius: 20px;
    --radius-sm: 12px;
    --radius-xs: 8px;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --mono: 'SF Mono', 'Roboto Mono', 'Fira Code', ui-monospace, monospace;
    --glass: rgba(255, 255, 255, 0.8);
    --glass-b: rgba(0, 0, 0, 0.06);
    --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 20px rgba(0, 0, 0, 0.04);
    --card-shadow-hover: 0 8px 32px rgba(99, 102, 241, 0.15), 0 2px 8px rgba(0, 0, 0, 0.08);
    --gradient-mesh: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(99, 102, 241, 0.06) 0%, transparent 70%);
    --b-surface: var(--bg-alt);
    --b-accent: var(--accent);
    --b-muted: var(--text-3);
    --noise: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
}

[data-theme="dark"] {
    --bg: #08080f;
    --bg-alt: #111120;
    --bg-deep: #0c0c18;
    --text: #f0f0f5;
    --text-2: #9ca3af;
    --text-3: #555;
    --border: rgba(255, 255, 255, 0.06);
    --border-strong: rgba(255, 255, 255, 0.1);
    --accent: #818cf8;
    --accent-h: #a5b4fc;
    --accent-2: #c084fc;
    --accent-bg: rgba(129, 140, 248, 0.08);
    --accent-glow: rgba(129, 140, 248, 0.25);
    --accent-glow-strong: rgba(129, 140, 248, 0.4);
    --glass: rgba(8, 8, 15, 0.8);
    --glass-b: rgba(255, 255, 255, 0.06);
    --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 4px 24px rgba(0, 0, 0, 0.3);
    --card-shadow-hover: 0 8px 40px rgba(129, 140, 248, 0.15), 0 2px 8px rgba(0, 0, 0, 0.3);
    --gradient-mesh: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(129, 140, 248, 0.06) 0%, transparent 70%);
    --b-surface: #161628;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility
}

/* ── Skip link ─────────────────────────────────── */
.skip-link {
    position: absolute;
    left: -9999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
    z-index: 1000;
    background: var(--accent);
    color: #fff;
    padding: 12px 24px;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    font-size: 14px;
    font-weight: 700;
    text-decoration: none
}

.skip-link:focus {
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: auto;
    height: auto;
    overflow: visible
}

/* ── Header ────────────────────────────────────── */
.qc-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 28px;
    background: var(--glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-b);
    transition: background .2s
}

.qc-header-left {
    display: flex;
    align-items: center;
    gap: 14px
}

.qc-back-link {
    display: flex;
    align-items: center;
    gap: 5px;
    color: var(--text-2);
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    transition: color .15s
}

.qc-back-link:hover {
    color: var(--accent)
}

.qc-back-link:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 4px
}

.qc-header-sep {
    width: 1px;
    height: 20px;
    background: var(--border)
}

.qc-header-logo {
    width: 22px;
    height: 22px;
    object-fit: contain
}

.qc-header-title {
    font-size: 17px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), #ec4899);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text
}

.qc-theme-toggle {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 7px;
    cursor: pointer;
    color: var(--text-2);
    transition: border-color .15s, color .15s;
    display: flex;
    align-items: center
}

.qc-theme-toggle:hover {
    border-color: var(--accent);
    color: var(--accent)
}

.qc-theme-toggle:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px
}

/* ── Buttons ───────────────────────────────────── */
.btn-launch {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    background: linear-gradient(135deg, var(--accent), var(--accent-h));
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    transition: transform .25s, box-shadow .25s;
    box-shadow: 0 4px 20px var(--accent-glow)
}

.btn-launch:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px var(--accent-glow)
}

.btn-launch:active {
    transform: translateY(0)
}

.btn-launch:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 3px
}

.btn-launch svg {
    flex-shrink: 0
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    color: var(--text-2);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: color .2s, border-color .2s, background .2s
}

.btn-ghost:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--accent-bg)
}

[data-theme="dark"] .btn-ghost {
    color: rgba(255, 255, 255, 0.7);
    border-color: rgba(255, 255, 255, 0.2)
}

[data-theme="dark"] .btn-ghost:hover {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.06)
}

.btn-ghost:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px
}

/* ══════════════════════════════════════════════════
   HERO — Dark cinematic, full viewport
   ══════════════════════════════════════════════════ */
.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 32px 64px;
    background: var(--bg-deep);
    overflow: hidden
}

[data-theme="dark"] .hero {
    background: #06060e
}

/* Animated gradient mesh behind hero */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 30% 20%, rgba(99, 102, 241, 0.1) 0%, transparent 60%),
        radial-gradient(ellipse 50% 40% at 70% 70%, rgba(168, 85, 247, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse 40% 30% at 80% 10%, rgba(236, 72, 153, 0.04) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0
}

[data-theme="dark"] .hero::before {
    background:
        radial-gradient(ellipse 60% 50% at 30% 20%, rgba(99, 102, 241, 0.18) 0%, transparent 60%),
        radial-gradient(ellipse 50% 40% at 70% 70%, rgba(168, 85, 247, 0.12) 0%, transparent 60%),
        radial-gradient(ellipse 40% 30% at 80% 10%, rgba(236, 72, 153, 0.08) 0%, transparent 50%)
}

/* Subtle noise texture */
.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--noise);
    background-size: 128px 128px;
    pointer-events: none;
    z-index: 0;
    opacity: 0.4
}

.hero-glow {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0
}

.hero-glow--1 {
    width: 600px;
    height: 600px;
    top: -150px;
    right: -120px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 65%);
    animation: glowDrift 8s ease-in-out infinite alternate
}

[data-theme="dark"] .hero-glow--1 {
    background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, transparent 65%)
}

.hero-glow--2 {
    width: 400px;
    height: 400px;
    bottom: -100px;
    left: -80px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.06) 0%, transparent 65%);
    animation: glowDrift 10s ease-in-out infinite alternate-reverse
}

[data-theme="dark"] .hero-glow--2 {
    background: radial-gradient(circle, rgba(168, 85, 247, 0.1) 0%, transparent 65%)
}

@keyframes glowDrift {
    from {
        transform: translate(0, 0) scale(1)
    }

    to {
        transform: translate(20px, -15px) scale(1.05)
    }
}

.hero-inner {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center
}

/* Hero text */
.hero-text {
    color: var(--text)
}

[data-theme="dark"] .hero-text {
    color: #fff
}

.hero-eyebrow {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent-h);
    margin-bottom: 16px
}

.hero-headline {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 20px
}

.hero-sub {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-2);
    max-width: 480px;
    margin-bottom: 32px
}

.hero-sub strong {
    color: var(--text)
}

[data-theme="dark"] .hero-sub {
    color: rgba(255, 255, 255, 0.6)
}

[data-theme="dark"] .hero-sub strong {
    color: rgba(255, 255, 255, 0.9)
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap
}

/* Hero timer display */
.hero-display {
    display: flex;
    align-items: center;
    justify-content: center;
    will-change: transform
}

.hero-timer {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 52px 60px;
    text-align: center;
    box-shadow: var(--card-shadow);
    position: relative
}

[data-theme="dark"] .hero-timer {
    background: rgba(12, 12, 20, 0.6);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow:
        0 0 0 1px rgba(99, 102, 241, 0.15),
        0 0 60px rgba(99, 102, 241, 0.1),
        0 20px 80px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.05)
}

/* Animated gradient ring around timer */
.hero-timer::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 26px;
    padding: 2px;
    background: conic-gradient(from 0deg, var(--accent), var(--accent-2), #ec4899, var(--accent-2), var(--accent));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0.15;
    animation: ringRotate 6s linear infinite;
    pointer-events: none
}

[data-theme="dark"] .hero-timer::before {
    opacity: 0.4
}

@keyframes ringRotate {
    to {
        transform: rotate(360deg)
    }
}

.hero-timer__digits {
    font-family: var(--mono);
    font-size: clamp(56px, 8vw, 88px);
    font-weight: 700;
    color: var(--text);
    letter-spacing: 0.06em;
    line-height: 1;
    background: linear-gradient(180deg, var(--text) 40%, var(--text-2) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text
}

[data-theme="dark"] .hero-timer__digits {
    color: #fff;
    text-shadow: 0 0 60px rgba(99, 102, 241, 0.5), 0 0 120px rgba(99, 102, 241, 0.2);
    background: linear-gradient(180deg, #fff 40%, rgba(255, 255, 255, 0.7) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text
}

.hero-timer__bar {
    width: 100%;
    height: 5px;
    background: var(--border);
    border-radius: 3px;
    margin-top: 20px;
    overflow: hidden
}

.hero-timer__fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-h));
    border-radius: 3px;
    width: 100%;
    transition: width .1s linear
}

.hero-timer__label {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-3);
    letter-spacing: 0.2em;
    margin-top: 12px;
    text-transform: uppercase
}

/* ══════════════════════════════════════════════════
   SECTION COMMON
   ══════════════════════════════════════════════════ */
.qc-section-heading {
    font-size: clamp(26px, 3.5vw, 40px);
    font-weight: 900;
    letter-spacing: -0.025em;
    text-align: center;
    margin-bottom: 14px;
    background: linear-gradient(135deg, var(--text) 0%, var(--text-2) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text
}

.qc-section-sub {
    font-size: 17px;
    color: var(--text-2);
    text-align: center;
    margin-bottom: 44px;
    line-height: 1.6
}

/* Subtle gradient mesh at top of sections */
.qc-modes,
.qc-features,
.qc-scenarios,
.qc-steps,
.qc-faq {
    position: relative
}

.qc-modes::before,
.qc-steps::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 300px;
    background: var(--gradient-mesh);
    pointer-events: none
}

/* ══════════════════════════════════════════════════
   MODES — Interactive tabbed demo
   ══════════════════════════════════════════════════ */
.qc-modes {
    padding: 96px 32px;
    background: var(--bg-alt)
}

.qc-modes__inner {
    max-width: 900px;
    margin: 0 auto
}

.mode-switcher {
    display: flex;
    gap: 6px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 36px
}

.mode-pill {
    padding: 10px 22px;
    border-radius: 100px;
    border: 1px solid var(--border-strong);
    background: var(--bg);
    color: var(--text-2);
    font-family: var(--font);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all .25s cubic-bezier(.4, 0, .2, 1);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04)
}

.mode-pill:hover {
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 0 2px 12px var(--accent-glow)
}

.mode-pill.active {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    border-color: transparent;
    color: #fff;
    box-shadow: 0 4px 20px var(--accent-glow-strong)
}

.mode-pill:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px
}

.mode-stage {
    max-width: 700px;
    margin: 0 auto
}

.mode-demo {
    display: none;
    animation: modeFade .3s ease
}

.mode-demo.active {
    display: block
}

@keyframes modeFade {
    from {
        opacity: 0;
        transform: translateY(8px)
    }

    to {
        opacity: 1;
        transform: translateY(0)
    }
}

.mode-screen {
    background: linear-gradient(180deg, #0e0e1a 0%, #08080f 100%);
    border-radius: var(--radius);
    padding: 48px 36px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow:
        0 8px 40px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(99, 102, 241, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.04);
    margin-bottom: 20px;
    position: relative;
    overflow: hidden
}

/* Light mode: softer shadow for dark screen on white page */
[data-theme="light"] .mode-screen,
html:not([data-theme="dark"]) .mode-screen {
    box-shadow:
        0 8px 40px rgba(0, 0, 0, 0.15),
        0 0 0 1px rgba(99, 102, 241, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.04)
}

/* Subtle noise in mode screens */
.mode-screen::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--noise);
    background-size: 128px 128px;
    pointer-events: none;
    opacity: 0.3
}

.mode-screen__time {
    display: block;
    font-family: var(--mono);
    font-size: clamp(44px, 7vw, 68px);
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.05em;
    line-height: 1;
    text-shadow: 0 0 40px rgba(99, 102, 241, 0.3);
    background: linear-gradient(180deg, #fff 30%, rgba(255, 255, 255, 0.65) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text
}

.mode-screen__status {
    display: block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.15em;
    margin-top: 12px;
    text-transform: uppercase
}

.mode-screen__phase {
    display: block;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.12em;
    margin-bottom: 8px;
    text-transform: uppercase
}

.mode-screen__segment {
    display: block;
    font-size: 14px;
    font-weight: 700;
    color: var(--accent-h);
    letter-spacing: 0.05em;
    margin-bottom: 4px
}

.mode-screen__next {
    display: block;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.35);
    margin-top: 10px
}

.mode-caption {
    font-size: 15px;
    color: var(--text-2);
    text-align: center;
    line-height: 1.6;
    max-width: 500px;
    margin: 0 auto
}

/* ══════════════════════════════════════════════════
   FEATURES — Apple-style full-bleed showcases
   ══════════════════════════════════════════════════ */
.showcase {
    padding: clamp(80px, 12vh, 140px) 32px;
    position: relative;
    overflow: hidden
}

.showcase--dark {
    background: #08080f;
    color: #fff
}

.showcase--dark .showcase__desc {
    color: rgba(255, 255, 255, 0.55)
}

[data-theme="dark"] .showcase {
    background: var(--bg-alt)
}

[data-theme="dark"] .showcase--dark {
    background: #06060e
}

.showcase__inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(48px, 6vw, 96px);
    align-items: center
}

.showcase__inner--reverse {
    direction: rtl
}

.showcase__inner--reverse>* {
    direction: ltr
}

.showcase__inner--compact {
    grid-template-columns: 1fr;
    text-align: center
}

.showcase__title {
    font-size: clamp(28px, 4vw, 48px);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 16px
}

.showcase--dark .showcase__title {
    color: #fff
}

.showcase__desc {
    font-size: clamp(15px, 1.8vw, 18px);
    line-height: 1.7;
    color: var(--text-2);
    max-width: 440px
}

.showcase__visual {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 280px;
    position: relative;
    will-change: transform
}

/* Remote Display */
.showcase__visual--remote {
    gap: clamp(20px, 3vw, 48px)
}

.sc-monitor {
    background: #0a0a14;
    border-radius: 16px;
    border: 2px solid rgba(255, 255, 255, 0.08);
    padding: clamp(24px, 3vw, 40px) clamp(32px, 4vw, 56px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(99, 102, 241, 0.1);
    text-align: center
}

.sc-monitor__time {
    font-family: var(--mono);
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.05em;
    text-shadow: 0 0 30px rgba(99, 102, 241, 0.4);
    display: block
}

.sc-monitor__bar {
    height: 4px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 2px;
    margin-top: 14px;
    overflow: hidden
}

.sc-monitor__fill {
    height: 100%;
    width: 65%;
    background: linear-gradient(90deg, var(--accent), var(--accent-h));
    border-radius: 2px
}

.sc-monitor__label {
    font-size: 10px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.2);
    letter-spacing: 0.2em;
    margin-top: 10px;
    display: block
}

.sc-phone {
    display: flex;
    flex-direction: column;
    gap: 8px;
    background: #151525;
    border-radius: 14px;
    border: 1.5px solid rgba(255, 255, 255, 0.08);
    padding: 14px 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4)
}

.sc-phone__btn {
    width: 40px;
    height: 30px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.35)
}

.sc-phone__btn--accent {
    background: rgba(99, 102, 241, 0.15);
    color: var(--accent)
}

/* Presets */
.sc-presets {
    display: flex;
    flex-wrap: wrap;
    gap: 10px
}

.sc-preset {
    padding: 10px 18px;
    border-radius: 100px;
    background: var(--bg-alt);
    color: var(--text);
    font-size: 14px;
    font-weight: 600;
    border: 1px solid var(--border);
    box-shadow: var(--card-shadow);
    white-space: nowrap
}

[data-theme="dark"] .sc-preset {
    background: #161628;
    color: #e0e0f0;
    border-color: rgba(255, 255, 255, 0.08)
}

.sc-preset--more {
    background: transparent;
    border: 1px dashed var(--accent);
    color: var(--accent);
    font-weight: 700
}

/* Messages */
.sc-msg-stack {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
    max-width: 380px
}

.sc-msg {
    padding: 14px 20px;
    border-radius: 14px;
    font-size: 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12)
}

.sc-msg--info {
    background: #dbeafe;
    color: #1e40af
}

.sc-msg--warn {
    background: #fef3c7;
    color: #92400e
}

.sc-msg--urgent {
    background: #fee2e2;
    color: #991b1b
}

[data-theme="dark"] .sc-msg--info {
    background: #1e3a5f;
    color: #93c5fd
}

[data-theme="dark"] .sc-msg--warn {
    background: #78350f;
    color: #fde68a
}

[data-theme="dark"] .sc-msg--urgent {
    background: #7f1d1d;
    color: #fca5a5
}

/* OBS */
.sc-obs-frame {
    width: 100%;
    max-width: 420px;
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, #0c0c1a, #1a1a30);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 0 16px 50px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    padding: 16px;
    position: relative;
    overflow: hidden
}

.sc-obs-content {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 35%, rgba(99, 102, 241, 0.06) 0%, transparent 50%), radial-gradient(circle at 70% 60%, rgba(168, 85, 247, 0.04) 0%, transparent 50%)
}

.sc-obs-timer {
    background: var(--accent);
    color: #fff;
    font-family: var(--mono);
    font-size: 15px;
    font-weight: 700;
    padding: 8px 28px;
    border-radius: 8px;
    letter-spacing: 0.05em;
    position: relative;
    z-index: 1;
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3)
}

/* Details grid */
.sc-details-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    margin-top: 40px;
    text-align: center
}

.sc-detail__icon {
    font-size: 36px;
    margin-bottom: 12px
}

.sc-detail h3 {
    font-size: 15px;
    font-weight: 800;
    margin-bottom: 6px
}

.sc-detail p {
    font-size: 13px;
    color: var(--text-2);
    line-height: 1.5
}

/* Showcase responsive */
@media (max-width: 1023px) {
    .showcase__inner {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px
    }

    .showcase__inner--reverse {
        direction: ltr
    }

    .showcase__desc {
        margin: 0 auto
    }

    .showcase__visual--remote {
        justify-content: center
    }

    .sc-presets {
        justify-content: center
    }

    .showcase__visual--messages {
        align-items: center
    }

    .sc-details-grid {
        grid-template-columns: repeat(2, 1fr)
    }
}

@media (max-width: 480px) {
    .sc-details-grid {
        grid-template-columns: 1fr
    }

    .sc-monitor {
        padding: 20px 24px
    }
}

/* Old bento CSS rules below target removed HTML — orphaned, zero visual impact */
margin-bottom: 48px
}

.bento {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px
}

.bento-card {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px;
    transition: border-color .3s, box-shadow .3s, transform .3s cubic-bezier(.4, 0, .2, 1);
    box-shadow: var(--card-shadow);
    position: relative;
    overflow: hidden
}

/* Gradient border on hover — achieved via pseudo-element */
.bento-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius);
    padding: 1px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity .3s
}

.bento-card:hover::before {
    opacity: 1
}

.bento-card:hover {
    border-color: transparent;
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-4px)
}

.bento-card h3 {
    font-size: 17px;
    font-weight: 800;
    margin: 18px 0 8px
}

.bento-card p {
    font-size: 14px;
    color: var(--text-2);
    line-height: 1.6
}

/* Dark variant cards */
.bento-card--dark {
    background: #0a0a14;
    border-color: rgba(255, 255, 255, 0.06)
}

.bento-card--dark h3 {
    color: #fff
}

.bento-card--dark p {
    color: rgba(255, 255, 255, 0.5)
}

.bento-card__visual {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    border-radius: var(--radius-sm);
    padding: 20px;
    margin-bottom: 4px;
    position: relative
}

.bento-card__visual svg {
    max-width: 100%;
    height: auto
}

/* ── Remote Display visual — monitor + phone ── */
.bento-card__visual--remote {
    background: linear-gradient(135deg, #0c0c18, #161630);
    min-height: 140px;
    gap: 24px;
    padding: 24px 32px
}

.bento-remote-monitor {
    background: #000;
    border-radius: 8px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    padding: 16px 24px;
    min-width: 160px;
    text-align: center
}

.bento-remote-monitor__screen {
    position: relative
}

.bento-remote__time {
    font-family: var(--mono);
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.05em;
    text-shadow: 0 0 20px rgba(99, 102, 241, 0.4)
}

.bento-remote__bar {
    height: 3px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    margin-top: 8px;
    overflow: hidden
}

.bento-remote__fill {
    height: 100%;
    width: 65%;
    background: linear-gradient(90deg, var(--accent), var(--accent-h));
    border-radius: 2px
}

.bento-remote-phone {
    display: flex;
    flex-direction: column;
    gap: 6px;
    background: #1a1a2e;
    border-radius: 10px;
    border: 1.5px solid rgba(255, 255, 255, 0.08);
    padding: 10px 8px
}

.bento-remote-phone__btn {
    width: 32px;
    height: 24px;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    color: rgba(255, 255, 255, 0.4)
}

.bento-remote-link {
    position: absolute;
    font-size: 10px;
    color: var(--accent);
    opacity: 0.4;
    letter-spacing: 3px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%)
}

/* ── Preset chips marquee ── */
.bento-chip-marquee {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center
}

/* ── OBS visual — dark stream frame ── */
.bento-card__visual--obs {
    background: linear-gradient(135deg, #0c0c18, #1a1a30);
    min-height: 130px;
    padding: 0;
    overflow: hidden
}

.bento-obs-stream {
    width: 100%;
    height: 100%;
    min-height: 130px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 0 0 12px;
    background:
        linear-gradient(180deg, rgba(99, 102, 241, 0.05) 0%, transparent 60%),
        radial-gradient(circle at 30% 40%, rgba(168, 85, 247, 0.08) 0%, transparent 50%)
}

.bento-obs-overlay {
    background: var(--accent);
    color: #fff;
    font-family: var(--mono);
    font-size: 13px;
    font-weight: 700;
    padding: 6px 20px;
    border-radius: 6px;
    letter-spacing: 0.05em
}

/* ── Keyboard — terminal style rows ── */
.bento-card--dark .bento-card__visual--keys {
    background: linear-gradient(135deg, #0c0c18, #161630);
    flex-direction: column;
    gap: 6px;
    padding: 16px 20px;
    align-items: stretch
}

.bento-key-row {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.45)
}

.bento-card--dark .bento-card__visual--keys kbd {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 6px;
    color: #fff;
    font-family: var(--mono);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    min-width: 36px;
    text-align: center;
    box-shadow: 0 2px 0 rgba(255, 255, 255, 0.06)
}

/* ── Color swatches — larger, rounded ── */
.bento-card__visual--colors {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    width: 100%;
    background: transparent;
    padding: 8px
}

.bento-swatch {
    aspect-ratio: 1.8;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--mono);
    font-size: 16px;
    font-weight: 700;
    transition: transform 0.4s, box-shadow 0.4s;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15)
}

.bento-card:hover .bento-swatch {
    transform: scale(1.04);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2)
}

/* ── Schedule & Sound icons — accent tinted bg ── */
.bento-card__visual--schedule,
.bento-card__visual--sound {
    background: var(--accent-bg);
    min-height: 100px
}

/* ── Messages visual ── */
.bento-card__visual--msgs {
    flex-direction: column;
    gap: 8px;
    align-items: stretch;
    background: var(--accent-bg)
}

.bento-msg {
    padding: 10px 16px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06)
}

/* Bento sizes */
.bento-card--wide {
    grid-column: span 2
}

.bento-card--tall {
    grid-row: span 2
}

/* Bento: Preset chips */
.bento-card__visual--chips {
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    background: var(--accent-bg)
}

.bento-chip {
    padding: 6px 14px;
    border-radius: 100px;
    background: var(--bg-alt);
    color: var(--text);
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
    border: 1px solid var(--border);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04)
}

.bento-chip--more {
    background: transparent;
    border: 1px dashed var(--accent);
    color: var(--accent)
}

/* Bento: Messages — keep color definitions, remove duplicate layout */
.bento-msg--info {
    background: #dbeafe;
    color: #1e40af
}

.bento-msg--warn {
    background: #fef3c7;
    color: #92400e
}

.bento-msg--urgent {
    background: #fee2e2;
    color: #991b1b
}

[data-theme="dark"] .bento-msg--info {
    background: #1e3a5f;
    color: #93c5fd
}

[data-theme="dark"] .bento-msg--warn {
    background: #78350f;
    color: #fde68a
}

[data-theme="dark"] .bento-msg--urgent {
    background: #7f1d1d;
    color: #fca5a5
}

/* (Keyboard + Color styles now in visual-specific sections above) */

/* ═══════════════════════════════════════════════
   BENTO ANIMATIONS — Everything alive
   ═══════════════════════════════════════════════ */

/* Remote: pulsing connection dot */
.bento-pulse-dot {
    animation: pulseDot 2s ease-in-out infinite;
    transform-origin: center;
    transform-box: fill-box
}

@keyframes pulseDot {

    0%,
    100% {
        opacity: 0.4;
        transform: scale(1)
    }

    50% {
        opacity: 1;
        transform: scale(1.4)
    }
}

/* Remote: animated dashed connection lines */
.bento-dash-anim {
    animation: dashFlow 2s linear infinite
}

.bento-dash-anim--delay {
    animation-delay: 0.5s
}

@keyframes dashFlow {
    to {
        stroke-dashoffset: -14
    }
}

/* Presets: floating chips */
.bento-chip--float {
    animation: chipFloat 3s ease-in-out infinite
}

@keyframes chipFloat {

    0%,
    100% {
        transform: translateY(0)
    }

    50% {
        transform: translateY(-4px)
    }
}

/* Messages: cycle opacity in/out like real notifications */
.bento-msg--cycle {
    animation: msgCycle 4.5s ease-in-out infinite
}

@keyframes msgCycle {

    0%,
    15% {
        opacity: 0.3;
        transform: translateX(-6px) scale(0.97)
    }

    25%,
    45% {
        opacity: 1;
        transform: translateX(0) scale(1)
    }

    55%,
    100% {
        opacity: 0.3;
        transform: translateX(6px) scale(0.97)
    }
}

/* OBS: timer bar shimmers */
.bento-obs-bar {
    animation: obsShimmer 3s ease-in-out infinite;
    transform-origin: center;
    transform-box: fill-box
}

@keyframes obsShimmer {

    0%,
    100% {
        opacity: 0.5;
        transform: scaleX(1)
    }

    50% {
        opacity: 1;
        transform: scaleX(0.85)
    }
}

/* Keyboard: keys press down */
.bento-key-press {
    animation: keyTap 4.8s ease-in-out infinite;
    transition: transform 0.15s, box-shadow 0.15s
}

@keyframes keyTap {

    0%,
    85%,
    100% {
        transform: translateY(0);
        box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06)
    }

    90% {
        transform: translateY(2px);
        box-shadow: 0 0 0 rgba(0, 0, 0, 0.02)
    }

    95% {
        transform: translateY(0);
        box-shadow: 0 1px 4px var(--accent-glow)
    }
}

/* Schedule: clock hand ticks */
.bento-clock-hand {
    transform-origin: 32px 32px;
    animation: clockTick 12s linear infinite
}

.bento-clock-minute {
    transform-origin: 32px 32px;
    animation: clockTick 60s linear infinite
}

@keyframes clockTick {
    to {
        transform: rotate(360deg)
    }
}

/* Sound: waves pulse outward */
.bento-sound-wave {
    animation: soundPulse 2s ease-in-out infinite;
    transform-origin: center
}

.bento-sound-wave--outer {
    animation-delay: 0.3s
}

@keyframes soundPulse {

    0%,
    100% {
        opacity: 0.3;
        transform: translateX(0)
    }

    50% {
        opacity: 1;
        transform: translateX(2px)
    }
}

/* Color swatches: subtle glow cycle */
.bento-card__visual--colors .bento-swatch:nth-child(1) {
    animation: swatchGlow 4s ease-in-out infinite 0s
}

.bento-card__visual--colors .bento-swatch:nth-child(2) {
    animation: swatchGlow 4s ease-in-out infinite 1s
}

.bento-card__visual--colors .bento-swatch:nth-child(3) {
    animation: swatchGlow 4s ease-in-out infinite 2s
}

.bento-card__visual--colors .bento-swatch:nth-child(4) {
    animation: swatchGlow 4s ease-in-out infinite 3s
}

@keyframes swatchGlow {

    0%,
    100% {
        box-shadow: none;
        transform: scale(1)
    }

    50% {
        box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
        transform: scale(1.04)
    }
}

/* Hover: intensify animations */
.bento-card:hover .bento-pulse-dot {
    animation-duration: 1s
}

.bento-card:hover .bento-chip--float {
    animation-duration: 1.5s
}

.bento-card:hover .bento-sound-wave {
    animation-duration: 1s
}

.bento-card:hover .bento-key-press {
    animation-duration: 2s
}

/* ══════════════════════════════════════════════════
   SCENARIOS — Storytelling horizontal scroll
   ══════════════════════════════════════════════════ */
.qc-scenarios {
    padding: 96px 0;
    background: var(--bg-alt);
    position: relative
}

.qc-scenarios__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px
}

.qc-scenarios__inner .qc-section-heading {
    margin-bottom: 16px
}

/* Scroll hint text */
.scenario-hint {
    text-align: center;
    font-size: 13px;
    color: var(--text-3);
    margin-bottom: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px
}

.scenario-hint svg {
    animation: scrollHintBounce 1.5s ease-in-out infinite
}

@keyframes scrollHintBounce {

    0%,
    100% {
        transform: translateX(0)
    }

    50% {
        transform: translateX(4px)
    }
}

.scenario-track {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    overflow-y: visible;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding: 8px 32px 20px;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-glow) transparent;
    cursor: grab
}

.scenario-track:active {
    cursor: grabbing
}

.scenario-track::-webkit-scrollbar {
    height: 6px
}

.scenario-track::-webkit-scrollbar-track {
    background: transparent
}

.scenario-track::-webkit-scrollbar-thumb {
    background: var(--accent-glow);
    border-radius: 3px
}

/* Gradient fade edges to hint there's more */
.qc-scenarios::before,
.qc-scenarios::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 48px;
    z-index: 3;
    pointer-events: none
}

.qc-scenarios::before {
    left: 0;
    background: linear-gradient(90deg, var(--bg-alt) 0%, transparent 100%)
}

.qc-scenarios::after {
    right: 0;
    background: linear-gradient(-90deg, var(--bg-alt) 0%, transparent 100%)
}

.scenario {
    flex: 0 0 340px;
    scroll-snap-align: start;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px;
    transition: border-color .3s, box-shadow .3s, transform .3s;
    box-shadow: var(--card-shadow)
}

.scenario:hover {
    border-color: transparent;
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-3px)
}

.scenario__icon {
    font-size: 40px;
    display: block;
    margin-bottom: 14px;
    filter: drop-shadow(0 4px 12px rgba(99, 102, 241, 0.15))
}

.scenario h3 {
    font-size: 16px;
    font-weight: 800;
    margin-bottom: 10px
}

.scenario p {
    font-size: 14px;
    color: var(--text-2);
    line-height: 1.65
}

.scenario em {
    color: var(--accent);
    font-style: normal;
    font-weight: 600
}

/* ══════════════════════════════════════════════════
   STEPS — Horizontal timeline
   ══════════════════════════════════════════════════ */
.qc-steps {
    padding: 96px 32px;
    background: var(--bg)
}

.qc-steps__inner {
    max-width: 900px;
    margin: 0 auto
}

.qc-steps__inner .qc-section-heading {
    margin-bottom: 48px
}

.steps-timeline {
    display: flex;
    gap: 0;
    justify-content: space-between;
    position: relative
}

.step {
    flex: 1;
    text-align: center;
    position: relative;
    padding: 0 12px
}

.step__num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff;
    font-size: 15px;
    font-weight: 800;
    margin-bottom: 16px;
    position: relative;
    z-index: 2;
    box-shadow: 0 4px 16px var(--accent-glow)
}

.step__line {
    position: absolute;
    top: 20px;
    left: calc(50% + 26px);
    right: calc(-50% + 26px);
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--border));
    z-index: 1;
    transform-origin: left center
}

.step:last-child .step__line {
    display: none
}

.step h3 {
    font-size: 15px;
    font-weight: 800;
    margin-bottom: 6px
}

.step p {
    font-size: 13px;
    color: var(--text-2);
    line-height: 1.5
}

/* ══════════════════════════════════════════════════
   FAQ
   ══════════════════════════════════════════════════ */
.qc-faq {
    padding: 96px 32px;
    background: var(--bg-alt)
}

.qc-faq__inner {
    max-width: 680px;
    margin: 0 auto
}

.qc-faq__inner .qc-section-heading {
    margin-bottom: 32px
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 10px
}

.faq-item {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: box-shadow 0.3s, transform 0.3s
}

.faq-item:hover {
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-1px)
}

.faq-item summary {
    padding: 18px 22px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: color .15s
}

.faq-item summary::-webkit-details-marker {
    display: none
}

.faq-item summary::after {
    content: '+';
    font-size: 20px;
    font-weight: 300;
    color: var(--text-3);
    transition: transform .2s
}

.faq-item[open] summary::after {
    content: '\2212';
    color: var(--accent)
}

.faq-item summary:hover {
    color: var(--accent)
}

.faq-item summary:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: -2px;
    border-radius: var(--radius-sm)
}

.faq-body {
    padding: 0 22px 18px;
    font-size: 14px;
    color: var(--text-2);
    line-height: 1.65;
    animation: faqSlide .2s ease-out
}

@keyframes faqSlide {
    from {
        opacity: 0;
        transform: translateY(-6px)
    }

    to {
        opacity: 1;
        transform: translateY(0)
    }
}

/* ══════════════════════════════════════════════════
   BOTTOM CTA — Dark band
   ══════════════════════════════════════════════════ */
.qc-cta {
    padding: 100px 32px;
    background: var(--bg-deep);
    text-align: center;
    border-top: none;
    position: relative;
    overflow: hidden
}

[data-theme="dark"] .qc-cta {
    background: #06060e
}

.qc-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 50% 50% at 50% 50%, rgba(99, 102, 241, 0.12) 0%, transparent 60%);
    pointer-events: none
}

.qc-cta__inner {
    position: relative;
    z-index: 1
}

.qc-cta h2 {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 900;
    color: var(--text);
    margin-bottom: 14px;
    letter-spacing: -0.02em
}

[data-theme="dark"] .qc-cta h2 {
    color: #fff
}

.qc-cta p {
    font-size: 17px;
    color: var(--text-2);
    margin-bottom: 32px
}

[data-theme="dark"] .qc-cta p {
    color: rgba(255, 255, 255, 0.5)
}

/* Button glow pulse for CTA */
.btn-launch--pulse {
    animation: launchPulse 2.5s ease-in-out infinite
}

@keyframes launchPulse {

    0%,
    100% {
        box-shadow: 0 4px 20px var(--accent-glow)
    }

    50% {
        box-shadow: 0 4px 50px var(--accent-glow-strong), 0 0 80px var(--accent-glow)
    }
}

/* ══════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════ */
.qc-footer {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px 32px 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px
}

.qc-footer a {
    color: var(--text-2);
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: color .15s
}

.qc-footer a:hover {
    color: var(--accent)
}

.qc-footer a:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 4px
}

.qc-footer-note {
    font-size: 12px;
    color: var(--text-3);
    font-weight: 500
}

/* ══════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════ */
@media(max-width:1023px) {
    .hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px
    }

    .hero-sub {
        margin-left: auto;
        margin-right: auto
    }

    .hero-cta {
        justify-content: center
    }

    .bento {
        grid-template-columns: 1fr 1fr
    }

    .bento-card--wide {
        grid-column: span 2
    }

    .bento-card--tall {
        grid-row: span 1
    }
}

@media(max-width:768px) {
    .qc-header {
        padding: 12px 16px
    }

    .hero {
        padding: 72px 20px 36px
    }

    .hero-timer {
        padding: 32px 28px
    }

    .qc-modes,
    .qc-features,
    .qc-scenarios,
    .qc-steps,
    .qc-faq,
    .qc-cta {
        padding: 56px 20px
    }

    .bento {
        grid-template-columns: 1fr
    }

    .bento-card--wide {
        grid-column: span 1
    }

    .steps-timeline {
        flex-direction: column;
        gap: 24px;
        align-items: flex-start
    }

    .step {
        text-align: left;
        display: flex;
        gap: 16px;
        align-items: flex-start;
        padding: 0
    }

    .step__num {
        flex-shrink: 0
    }

    .step__line {
        display: none !important
    }

    .scenario {
        flex: 0 0 290px
    }

    .qc-footer {
        padding: 16px 20px 36px
    }

    .mode-switcher {
        gap: 4px
    }

    .mode-pill {
        padding: 6px 14px;
        font-size: 13px
    }
}

@media(max-width:480px) {
    .hero {
        min-height: auto
    }

    .hero-cta {
        flex-direction: column;
        align-items: center
    }

    .hero-cta .btn-launch,
    .hero-cta .btn-ghost {
        width: 100%;
        max-width: 280px;
        justify-content: center
    }

    .mode-screen__time {
        font-size: clamp(32px, 12vw, 48px)
    }
}

/* ── Reduced Motion ───────────────────────────── */
@media(prefers-reduced-motion:reduce) {
    .hero-glow {
        display: none
    }

    .hero-timer__fill,
    .hero-timer::before {
        animation: none !important;
        transition: none !important
    }

    .mode-demo {
        animation: none !important
    }

    .faq-body {
        animation: none
    }

    .bento-card,
    .scenario,
    .step,
    .faq-item,
    .qc-footer {
        opacity: 1 !important;
        transform: none !important
    }

    .btn-launch:hover,
    .btn-launch--pulse,
    .bento-card:hover,
    .scenario:hover {
        transform: none !important;
        animation: none !important
    }

    /* Disable all bento micro-animations */
    .bento-pulse-dot,
    .bento-dash-anim,
    .bento-chip--float,
    .bento-msg--cycle,
    .bento-obs-bar,
    .bento-key-press,
    .bento-clock-hand,
    .bento-clock-minute,
    .bento-sound-wave,
    .bento-card__visual--colors .bento-swatch {
        animation: none !important
    }

    .mode-screen:hover {
        transform: none !important
    }
}

/* ── SEO Content Section ────────────────────────── */
.qc-seo-content {
    padding: 80px 24px 60px;
    background: var(--bg);
}

[data-theme="dark"] .qc-seo-content {
    background: #111118;
}

.qc-seo-content__inner {
    max-width: 800px;
    margin: 0 auto;
}

.qc-seo-content h2 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text);
    margin: 0 0 16px;
    letter-spacing: -0.02em;
    line-height: 1.3;
}

.qc-seo-content h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text);
    margin: 32px 0 10px;
    letter-spacing: -0.01em;
}

.qc-seo-content p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-2);
    margin: 0 0 12px;
}

.qc-seo-content strong {
    color: var(--text);
    font-weight: 600;
}

@media (max-width: 768px) {
    .qc-seo-content {
        padding: 48px 16px 40px;
    }

    .qc-seo-content h2 {
        font-size: 1.4rem;
    }

    .qc-seo-content h3 {
        font-size: 1.1rem;
    }
}