:root {
    color-scheme: light;
    --page: #f5f5f7;
    --surface: #ffffff;
    --text: #1d1d1f;
    --muted: #6e6e73;
    --border: rgba(29, 29, 31, 0.12);
    --blue: #087cf0;
    --cyan: #38bdf8;
    --green: #20b75a;
    --dark: #111214;
    --glass-surface: rgba(255, 255, 255, 0.58);
    --glass-surface-strong: rgba(255, 255, 255, 0.74);
    --glass-border: rgba(255, 255, 255, 0.66);
    --glass-shadow: rgba(24, 24, 28, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    margin: 0;
    overflow-x: hidden;
    background:
        radial-gradient(circle at 50% -10%, rgba(54, 141, 255, 0.08), transparent 30%),
        var(--page);
    color: var(--text);
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

a { color: inherit; }

.site-header {
    position: relative;
    z-index: 20;
    width: min(1040px, calc(100% - 48px));
    margin: 0 auto;
    padding: 27px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    font-size: 20px;
    font-weight: 600;
}

.brand img { width: auto; height: 24px; object-fit: contain; }
.header-links { display: flex; align-items: center; gap: 22px; }
.header-links a { color: #77777d; font-size: 13px; text-decoration: none; transition: color 0.2s ease; }
.header-links a:hover { color: var(--text); }

.hero {
    position: relative;
    isolation: isolate;
    width: min(1080px, calc(100% - 40px));
    margin: 0 auto;
    padding: 68px 0 118px;
    text-align: center;
}

.hero::before {
    content: "";
    position: absolute;
    z-index: -1;
    top: -250px;
    left: 50%;
    width: min(980px, 100vw);
    height: 720px;
    transform: translateX(-50%);
    background:
        radial-gradient(circle at 43% 38%, rgba(43, 137, 255, 0.13), transparent 30%),
        radial-gradient(circle at 61% 47%, rgba(51, 194, 223, 0.10), transparent 29%);
    filter: blur(12px);
    pointer-events: none;
}

.app-icon {
    width: 126px;
    height: 126px;
    border: 1px solid rgba(0, 0, 0, 0.09);
    border-radius: 28px;
    box-shadow: 0 28px 78px rgba(25, 73, 132, 0.20), inset 0 1px 0 rgba(255,255,255,0.42);
}

.eyebrow, .section-kicker {
    color: var(--blue);
    font-size: 12px;
    font-weight: 750;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.eyebrow { margin: 28px 0 12px; }

h1 {
    margin: 0;
    font-size: clamp(45px, 7vw, 72px);
    font-weight: 700;
    line-height: 1.02;
    letter-spacing: -0.058em;
    background: linear-gradient(135deg, #151518 0%, #48484d 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.tagline {
    max-width: 720px;
    margin: 22px auto 0;
    color: var(--muted);
    font-size: clamp(18px, 2.2vw, 22px);
    line-height: 1.6;
    letter-spacing: -0.018em;
}

.actions {
    width: fit-content;
    max-width: 100%;
    margin: 31px auto 0;
    padding: 5px;
    display: flex;
    justify-content: center;
    gap: 4px;
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.38);
    box-shadow: inset 0 0 0 0.5px rgba(0,0,0,0.08), inset 1px 1px 1px rgba(255,255,255,0.82), 0 20px 48px var(--glass-shadow);
    backdrop-filter: blur(22px) saturate(1.25);
    -webkit-backdrop-filter: blur(22px) saturate(1.25);
    isolation: isolate;
}

.button {
    min-height: 48px;
    padding: 0 21px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 14px;
    font-weight: 650;
    transition: transform 0.22s cubic-bezier(.16,1,.3,1), box-shadow 0.22s ease, background 0.22s ease;
}

.button:hover { transform: translateY(-1px); }
.github-mark { width: 16px; height: 16px; margin-right: 7px; flex: 0 0 auto; }
.button-primary { background: #1d1d1f; color: #f5f5f7; box-shadow: 0 9px 24px rgba(20,20,24,0.20), inset 0 1px 0 rgba(255,255,255,0.16); }
.button-primary:hover { background: #2b2b2f; box-shadow: 0 12px 30px rgba(20,20,24,0.24); }
.button-secondary { color: #303034; }
.button-secondary { background: rgba(255,255,255,0.42); }
.button-secondary:hover { background: #f1f2f4; }
.trust { margin-top: 21px; color: #85858b; font-size: 12px; }
.setup-shortcut { margin-top: 15px; }
.setup-shortcut a { color: var(--blue); font-size: 12px; font-weight: 650; text-decoration: none; }
.setup-shortcut a::after { content: " ↓"; }
.setup-shortcut a:hover { text-decoration: underline; text-underline-offset: 4px; }

.real-showcase {
    position: relative;
    width: min(820px, calc(100% - 24px));
    margin: 66px auto 0;
    text-align: left;
}

.real-showcase::before {
    content: "";
    position: absolute;
    z-index: -1;
    inset: 14% 5% -8%;
    border-radius: 50%;
    background: rgba(25, 91, 171, 0.18);
    filter: blur(64px);
}

.real-photo {
    position: relative;
    overflow: hidden;
    margin: 0;
    border: 1px solid rgba(255,255,255,0.72);
    border-radius: 24px;
    background: #17191d;
    box-shadow: 0 30px 82px rgba(18,25,37,0.17), inset 0 1px 0 rgba(255,255,255,0.72), inset 0 -1px 0 rgba(0,0,0,0.08);
}

.real-photo picture, .real-photo img { display: block; width: 100%; }
.real-photo img { height: auto; border-radius: inherit; }
.display-stage {
    position: relative;
    width: min(910px, calc(100% - 24px));
    margin: 42px auto 0;
    padding: 34px 56px 46px;
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    background: rgba(232, 234, 239, 0.70);
    box-shadow: 0 50px 120px rgba(31, 40, 58, 0.18), inset 0 0 0 0.5px rgba(0,0,0,0.07), inset 1px 1px 1px rgba(255,255,255,0.88);
    backdrop-filter: blur(22px) saturate(1.18);
    -webkit-backdrop-filter: blur(22px) saturate(1.18);
}

.display-stage::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: radial-gradient(circle at 50% 18%, rgba(59, 147, 255, 0.18), transparent 44%);
    pointer-events: none;
}

.display-window {
    position: relative;
    z-index: 2;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 18px;
    background: #11151b;
    box-shadow: 0 30px 70px rgba(14, 20, 31, 0.32), inset 0 1px 0 rgba(255,255,255,0.18);
}

.window-bar {
    height: 38px;
    padding: 0 14px;
    display: flex;
    align-items: center;
    gap: 7px;
    background: #24272e;
    border-bottom: 1px solid rgba(255,255,255,0.07);
}

.window-bar span { width: 9px; height: 9px; border-radius: 50%; background: #555960; }
.window-bar span:first-child { background: #ff605c; }
.window-bar span:nth-child(2) { background: #ffbd44; }
.window-bar span:nth-child(3) { background: #00ca4e; }
.window-bar strong { margin-left: auto; color: rgba(255,255,255,0.42); font-size: 10px; font-weight: 500; }

.window-desktop {
    position: relative;
    aspect-ratio: 2.06 / 1;
    min-height: 250px;
    overflow: hidden;
    background:
        radial-gradient(circle at 77% 30%, rgba(40, 159, 255, 0.95), transparent 18%),
        radial-gradient(circle at 67% 48%, rgba(23, 92, 255, 0.82), transparent 35%),
        radial-gradient(circle at 83% 90%, rgba(12, 202, 198, 0.55), transparent 27%),
        linear-gradient(135deg, #07101d 5%, #0d234b 50%, #07101b 100%);
}

.window-desktop::after { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(5,11,20,0.7) 0%, transparent 58%); }
.desktop-copy { position: absolute; z-index: 2; left: 8%; top: 20%; text-align: left; color: #fff; }
.desktop-copy small { display: block; margin-bottom: 12px; color: #65c7ff; font-size: 10px; font-weight: 750; letter-spacing: 0.13em; }
.desktop-copy b { font-size: clamp(23px, 4vw, 39px); line-height: 1.1; letter-spacing: -0.045em; }

.desktop-dock {
    position: absolute;
    z-index: 3;
    bottom: 14px;
    left: 50%;
    padding: 6px 9px;
    display: flex;
    gap: 7px;
    transform: translateX(-50%);
    border: 1px solid rgba(255,255,255,0.18);
    border-radius: 12px;
    background: rgba(20, 25, 34, 0.78);
}

.desktop-dock i { width: 22px; height: 22px; border-radius: 6px; background: linear-gradient(145deg, #60a5fa, #1d4ed8); }
.desktop-dock i:nth-child(2) { background: linear-gradient(145deg, #f9a8d4, #a21caf); }
.desktop-dock i:nth-child(3) { background: linear-gradient(145deg, #6ee7b7, #059669); }
.desktop-dock i:nth-child(4) { background: linear-gradient(145deg, #fcd34d, #ea580c); }
.desktop-dock i:nth-child(5) { background: linear-gradient(145deg, #d1d5db, #4b5563); }

.stage-badge {
    position: absolute;
    z-index: 4;
    bottom: 14px;
    min-width: 190px;
    padding: 13px 15px;
    border: 1px solid rgba(29,29,31,0.10);
    border-radius: 13px;
    background: #fff;
    text-align: left;
    box-shadow: 0 15px 36px rgba(18,25,38,0.16);
}

.stage-badge span, .stage-badge strong { display: block; }
.stage-badge span { color: #77777d; font-size: 10px; }
.stage-badge strong { margin-top: 4px; color: #232327; font-size: 12px; }
.badge-fold { left: 18px; }
.badge-ipad { right: 18px; }

.mode-strip {
    width: min(910px, calc(100% - 24px));
    margin: 28px auto 0;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 1px solid rgba(29,29,31,0.14);
    border-bottom: 1px solid rgba(29,29,31,0.14);
    text-align: left;
}

.mode-strip > div { padding: 25px 24px 27px; border-right: 1px solid rgba(29,29,31,0.11); }
.mode-strip > div:last-child { border-right: 0; }
.mode-strip span, .mode-strip strong { display: block; }
.mode-strip span { color: var(--blue); font-size: 10px; font-weight: 750; letter-spacing: 0.12em; }
.mode-strip strong { margin-top: 9px; font-size: 16px; letter-spacing: -0.025em; }
.mode-strip p { margin: 8px 0 0; color: var(--muted); font-size: 12px; line-height: 1.55; }

.section { padding: 108px 24px 116px; }
.section-inner { width: min(1000px, 100%); margin: 0 auto; }
.section-alt { background: var(--dark); color: #f5f5f7; }
.section-alt + .section-alt { padding-top: 0; }
.section-alt + .section-alt .section-inner { padding-top: 100px; border-top: 1px solid rgba(255,255,255,0.12); }
.section-kicker { margin-bottom: 15px; text-align: center; }
.section-alt .section-kicker { color: #62c6ff; }

.section h2 {
    max-width: 780px;
    margin: 0 auto 16px;
    font-size: clamp(32px, 4.5vw, 45px);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.045em;
    text-align: center;
}

.section-lead {
    max-width: 700px;
    margin: 0 auto 48px;
    color: var(--muted);
    font-size: 17px;
    line-height: 1.7;
    letter-spacing: -0.012em;
    text-align: center;
}

.section-alt .section-lead { color: #9da1aa; }
.profile-grid, .feature-grid, .step-grid { display: grid; gap: 20px; }
.profile-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 8px; }
.feature-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); counter-reset: feature; }
.step-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 48px; }

.profile-card {
    position: relative;
    overflow: hidden;
    padding: 34px;
    border: 1px solid var(--glass-border);
    border-radius: 22px;
    background: var(--glass-surface);
    box-shadow: inset 0 0 0 0.5px rgba(0,0,0,0.06), inset 1px 1px 1px rgba(255,255,255,0.78), 0 22px 58px rgba(27,35,48,0.09);
    backdrop-filter: blur(18px) saturate(1.18);
    -webkit-backdrop-filter: blur(18px) saturate(1.18);
    transition: transform .35s cubic-bezier(.16,1,.3,1), box-shadow .35s ease;
}

.profile-card::before { content: ""; position: absolute; top: 0; left: 34px; right: 34px; height: 2px; background: linear-gradient(90deg, var(--blue), var(--cyan), transparent); }
.profile-card .device { color: var(--blue); font-size: 11px; font-weight: 750; letter-spacing: 0.11em; }
.profile-card h3 { margin: 9px 0 26px; font-size: 25px; letter-spacing: -0.035em; }
.profile-photo { display: block; margin: -34px -34px 30px; overflow: hidden; border-bottom: 1px solid var(--border); }
.profile-photo img { display: block; width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; }
.spec-row { display: flex; justify-content: space-between; gap: 18px; padding: 12px 0; border-top: 1px solid var(--border); font-size: 14px; }
.spec-row span:first-child { color: var(--muted); }
.spec-row strong { text-align: right; font-variant-numeric: tabular-nums; }

.section-profile-matrix { padding-bottom: 26px; }
.profile-matrix-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 28px;
}
.profile-matrix-head h2 { margin-bottom: 0; }
.profile-matrix-head p { max-width: 380px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.6; text-align: right; }
.profile-matrix {
    overflow: hidden;
    margin-top: 30px;
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    background: var(--glass-surface-strong);
    box-shadow: inset 0 0 0 0.5px rgba(0,0,0,0.06), inset 1px 1px 1px rgba(255,255,255,0.78), 0 24px 64px var(--glass-shadow);
    backdrop-filter: blur(22px) saturate(1.18);
    -webkit-backdrop-filter: blur(22px) saturate(1.18);
}
.profile-row {
    display: grid;
    grid-template-columns: minmax(190px, 1.25fr) minmax(120px, 0.75fr) minmax(220px, 1.35fr) auto;
    align-items: center;
    gap: 18px;
    padding: 19px 22px;
    border-bottom: 1px solid var(--border);
}
.profile-row:last-child { border-bottom: 0; }
.profile-row strong { font-size: 14px; letter-spacing: -0.015em; }
.profile-row span { color: var(--muted); font-size: 13px; font-variant-numeric: tabular-nums; }
.profile-row b {
    padding: 5px 9px;
    border-radius: 999px;
    background: rgba(8, 124, 240, 0.10);
    color: var(--blue);
    font-size: 11px;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.section-live { padding-top: 0; }
.live-gallery {
    height: 520px;
    display: grid;
    grid-template-columns: 2fr 1fr;
    grid-template-rows: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.live-card {
    overflow: hidden;
    margin: 0;
    border: 1px solid var(--glass-border);
    border-radius: 22px;
    background: #17191d;
    box-shadow: 0 26px 68px rgba(18,25,37,0.14), inset 0 1px 0 rgba(255,255,255,0.70);
    transition: transform .35s cubic-bezier(.16,1,.3,1), box-shadow .35s ease;
}

.live-card-primary { grid-row: 1 / 3; }
.live-card picture,
.live-card img { display: block; width: 100%; height: 100%; }
.live-card img { object-fit: cover; }
.live-card-portrait img { object-position: center 48%; }

.section-interface { padding-top: 0; }
.interface-grid { display: grid; grid-template-columns: minmax(230px, 0.72fr) minmax(0, 1.55fr); align-items: center; gap: 48px; }
.interface-copy .section-kicker,
.interface-copy h2,
.interface-copy .section-lead { text-align: left; }
.interface-copy h2 { margin-left: 0; }
.interface-copy .section-lead { margin: 0; }
.interface-list { margin: 34px 0 0; padding: 0; list-style: none; }
.interface-list li { position: relative; padding: 14px 0 14px 27px; border-top: 1px solid rgba(29,29,31,0.11); color: var(--muted); font-size: 14px; line-height: 1.5; }
.interface-list li::before { content: "✓"; position: absolute; left: 2px; color: var(--blue); font-weight: 750; }

.interface-stage {
    min-height: 520px;
    padding: 36px 34px;
    display: grid;
    place-items: center;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    background: rgba(233,236,241,0.68);
    box-shadow: inset 0 0 0 0.5px rgba(0,0,0,0.07), inset 1px 1px 1px rgba(255,255,255,0.88), 0 32px 80px rgba(30,39,55,0.13);
    backdrop-filter: blur(22px) saturate(1.18);
    -webkit-backdrop-filter: blur(22px) saturate(1.18);
}

.interface-stage picture,
.interface-stage img { display: block; width: 100%; }
.interface-stage img { max-width: 640px; height: auto; filter: drop-shadow(0 28px 42px rgba(0,0,0,0.24)); }

.section-works {
    padding-top: 0;
}

.section-works .section-inner {
    padding: 78px 64px 68px;
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    background: rgba(233,236,241,0.64);
    box-shadow: inset 0 0 0 0.5px rgba(0,0,0,0.07), inset 1px 1px 1px rgba(255,255,255,0.86), 0 30px 76px rgba(30,39,55,0.12);
    backdrop-filter: blur(22px) saturate(1.18);
    -webkit-backdrop-filter: blur(22px) saturate(1.18);
}

.works-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    margin-top: 48px;
    border-top: 1px solid rgba(29,29,31,0.14);
    border-bottom: 1px solid rgba(29,29,31,0.14);
}

.works-card {
    padding: 28px 22px 30px;
    border-right: 1px solid rgba(29,29,31,0.11);
}

.works-card:last-child { border-right: 0; }
.works-card span, .works-card strong { display: block; }
.works-card span { color: var(--blue); font-size: 9px; font-weight: 750; letter-spacing: 0.12em; }
.works-card strong { margin-top: 13px; font-size: 16px; letter-spacing: -0.025em; }
.works-card p { margin: 10px 0 0; color: var(--muted); font-size: 12px; line-height: 1.6; }
.network-note { margin: 25px 0 0; color: var(--muted); font-size: 13px; text-align: center; }
.network-note strong { color: var(--text); }

.section-setup { padding-top: 0; }
.setup-shell {
    padding: 78px 64px 68px;
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    background: var(--glass-surface);
    box-shadow: inset 0 0 0 0.5px rgba(0,0,0,0.06), inset 1px 1px 1px rgba(255,255,255,0.82), 0 30px 76px rgba(30,39,55,0.11);
    backdrop-filter: blur(20px) saturate(1.18);
    -webkit-backdrop-filter: blur(20px) saturate(1.18);
}

.setup-download-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-top: 48px;
}

.setup-download-card {
    min-height: 226px;
    padding: 27px 25px;
    border: 1px solid var(--border);
    border-radius: 19px;
    background: rgba(255,255,255,0.38);
}

.setup-download-card > span { color: var(--blue); font-size: 10px; font-weight: 750; letter-spacing: 0.12em; }
.setup-download-card h3 { margin: 12px 0 17px; font-size: 20px; letter-spacing: -0.03em; }
.setup-links { display: grid; gap: 8px; }
.setup-link {
    min-height: 41px;
    padding: 0 13px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: rgba(255,255,255,0.52);
    color: var(--text);
    text-decoration: none;
    font-size: 12px;
    font-weight: 650;
    transition: transform .22s cubic-bezier(.16,1,.3,1), background .22s ease, border-color .22s ease;
}
.setup-link::after { content: "↗"; color: var(--blue); font-size: 12px; }
.setup-link:hover { transform: translateY(-1px); border-color: rgba(8,124,240,0.32); background: rgba(255,255,255,0.82); }
.setup-download-card p { margin: 15px 0 0; color: var(--muted); font-size: 11px; line-height: 1.55; }

.setup-steps {
    margin-top: 34px;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.setup-step {
    display: grid;
    grid-template-columns: 46px minmax(150px, 0.38fr) minmax(0, 1fr);
    gap: 20px;
    align-items: start;
    padding: 22px 0;
    border-bottom: 1px solid var(--border);
}
.setup-step:last-child { border-bottom: 0; }
.setup-step b { color: var(--blue); font-size: 11px; line-height: 1.7; }
.setup-step strong { font-size: 15px; line-height: 1.45; letter-spacing: -0.018em; }
.setup-step p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.65; }
.setup-step code { padding: 2px 5px; border-radius: 5px; background: rgba(29,29,31,0.07); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.92em; }

.setup-footer-note {
    margin: 25px 0 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.6;
}
.setup-guide-link {
    flex: 0 0 auto;
    min-height: 43px;
    padding: 0 17px;
    display: inline-flex;
    align-items: center;
    gap: 9px;
    border-radius: 999px;
    background: #1d1d1f;
    color: #f5f5f7;
    text-decoration: none;
    font-size: 12px;
    font-weight: 650;
}
.setup-guide-link::after { content: "→"; }

.section-behind { padding-top: 0; }
.behind-teaser {
    padding: 54px 58px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 52px;
    border: 1px solid var(--glass-border);
    border-radius: 28px;
    background: var(--glass-surface);
    box-shadow: inset 0 0 0 0.5px rgba(0,0,0,0.06), inset 1px 1px 1px rgba(255,255,255,0.80), 0 24px 64px rgba(27,35,48,0.10);
    backdrop-filter: blur(20px) saturate(1.20);
    -webkit-backdrop-filter: blur(20px) saturate(1.20);
}
.behind-teaser .section-kicker { margin: 0 0 13px; text-align: left; }
.behind-teaser h2 { max-width: 650px; margin: 0; text-align: left; font-size: clamp(29px, 4vw, 42px); }
.behind-teaser p { max-width: 680px; margin: 18px 0 0; color: var(--muted); font-size: 15px; line-height: 1.7; }
.behind-teaser-link {
    min-height: 50px;
    padding: 0 21px;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    border-radius: 999px;
    background: #1d1d1f;
    color: #f5f5f7;
    text-decoration: none;
    font-size: 13px;
    font-weight: 650;
    white-space: nowrap;
    transition: transform .22s cubic-bezier(.16,1,.3,1), background .22s ease;
}
.behind-teaser-link:hover { transform: translateY(-1px); background: #2b2b2f; }

.feature-card, .step-card { border-top: 1px solid rgba(255,255,255,0.17); background: transparent; }
.feature-card { min-height: 205px; padding: 29px 0 20px; counter-increment: feature; }
.feature-card::before { content: counter(feature, decimal-leading-zero); color: #62c6ff; font-size: 12px; font-weight: 750; }
.feature-icon { display: none; }
.feature-card h3 { margin: 24px 0 10px; font-size: 19px; letter-spacing: -0.02em; }
.feature-card p { margin: 0; color: #9da1aa; font-size: 14px; line-height: 1.65; }

.step-card { padding: 26px 0 14px; }
.step-number { color: #62c6ff; font-size: 12px; font-weight: 750; }
.step-number::before { content: "0"; }
.step-card h3 { margin: 21px 0 9px; font-size: 17px; }
.step-card p { margin: 0; color: #9da1aa; font-size: 13px; line-height: 1.6; }

.requirements-card {
    max-width: 760px;
    margin: 0 auto;
    padding: 34px 40px;
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    background: var(--glass-surface);
    box-shadow: inset 0 0 0 0.5px rgba(0,0,0,0.06), inset 1px 1px 1px rgba(255,255,255,0.78), 0 20px 54px rgba(27,35,48,0.08);
    backdrop-filter: blur(18px) saturate(1.18);
    -webkit-backdrop-filter: blur(18px) saturate(1.18);
}

@media (hover: hover) {
    .profile-card:hover, .live-card:hover { transform: translateY(-3px); box-shadow: inset 0 1px 0 rgba(255,255,255,0.82), 0 30px 76px rgba(27,35,48,0.14); }
}

.requirements-card ul { margin: 0; padding: 0; list-style: none; color: var(--muted); }
.requirements-card li { position: relative; padding: 13px 0 13px 25px; border-bottom: 1px solid rgba(29,29,31,0.09); line-height: 1.55; }
.requirements-card li:last-child { border-bottom: 0; }
.requirements-card li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 750; }

.site-footer {
    width: min(1000px, calc(100% - 48px));
    margin: 0 auto;
    padding: 34px 0 44px;
    display: flex;
    justify-content: space-between;
    gap: 20px;
    color: #7c7c82;
    font-size: 12px;
}

.site-footer a { text-decoration: none; }
.site-footer a:hover { color: var(--text); }

html[lang="ko"] .tagline,
html[lang="ko"] .section-lead,
html[lang="ko"] .feature-card p,
html[lang="ko"] .step-card p,
html[lang="ko"] .mode-strip p,
html[lang="ko"] .works-card p,
html[lang="ko"] .network-note,
html[lang="ko"] .interface-list li,
html[lang="ko"] .profile-matrix-head p,
html[lang="ko"] .profile-row strong,
html[lang="ko"] .requirements-card li { word-break: keep-all; }

html[lang="ko"] .setup-download-card p,
html[lang="ko"] .setup-step strong,
html[lang="ko"] .setup-step p,
html[lang="ko"] .setup-footer-note { word-break: keep-all; }

@media (max-width: 760px) {
    .site-header { width: min(100% - 36px, 1040px); padding: 21px 0; }
    .header-links { gap: 15px; }
    .hero { width: min(100% - 28px, 1080px); padding: 46px 0 82px; }
    .app-icon { width: 108px; height: 108px; border-radius: 24px; }
    .tagline { max-width: 350px; font-size: 18px; }
    .actions { width: min(100%, 292px); flex-direction: column; border-radius: 30px; }
    .button { width: 100%; flex: none; padding: 0 18px; font-size: 13px; }
    .real-showcase { width: calc(100% - 8px); margin-top: 50px; }
    .real-photo { border-radius: 18px; }
    .display-stage { width: 100%; margin-top: 26px; padding: 20px 18px 57px; border-radius: 21px; }
    .display-window { border-radius: 13px; }
    .window-bar { height: 31px; padding: 0 10px; }
    .window-bar span { width: 7px; height: 7px; }
    .window-bar strong { display: none; }
    .window-desktop { min-height: 180px; aspect-ratio: 1.32 / 1; }
    .desktop-copy { left: 8%; top: 18%; }
    .desktop-copy small { max-width: 170px; font-size: 8px; }
    .desktop-copy b { font-size: 25px; }
    .desktop-dock i { width: 17px; height: 17px; }
    .stage-badge { bottom: 13px; min-width: 0; width: calc(50% - 21px); padding: 10px; }
    .stage-badge strong { font-size: 9px; white-space: nowrap; }
    .badge-fold { left: 14px; }
    .badge-ipad { right: 14px; }
    .mode-strip { width: 100%; grid-template-columns: 1fr; }
    .mode-strip > div { padding: 20px 4px 21px; border-right: 0; border-bottom: 1px solid rgba(29,29,31,0.10); }
    .mode-strip > div:last-child { border-bottom: 0; }
    .section { padding: 78px 20px 84px; }
    .section-live { padding-top: 0; }
    .live-gallery { height: auto; grid-template-columns: 1fr; grid-template-rows: none; gap: 12px; }
    .live-card,
    .live-card-primary { grid-row: auto; aspect-ratio: 4 / 3; border-radius: 18px; }
    .live-card-portrait { aspect-ratio: 4 / 5; }
    .section-interface { padding-top: 0; }
    .interface-grid { grid-template-columns: 1fr; gap: 40px; }
    .interface-copy .section-kicker,
    .interface-copy h2,
    .interface-copy .section-lead { text-align: center; }
    .interface-copy h2 { margin-inline: auto; }
    .interface-copy .section-lead { margin-inline: auto; }
    .interface-list { margin-top: 28px; }
    .interface-stage { min-height: 0; padding: 28px 22px; border-radius: 23px; }
    .interface-stage img { max-width: 340px; }
    .section-works { padding-top: 0; }
    .section-works .section-inner { padding: 64px 22px 54px; border-radius: 23px; }
    .works-grid { grid-template-columns: 1fr; margin-top: 38px; }
    .works-card { padding: 23px 3px 25px; border-right: 0; border-bottom: 1px solid rgba(29,29,31,0.10); }
    .works-card:last-child { border-bottom: 0; }
    .network-note { margin-top: 22px; line-height: 1.6; }
    .section-setup { padding-top: 0; }
    .setup-shell { padding: 62px 22px 50px; border-radius: 23px; }
    .setup-download-grid { grid-template-columns: 1fr; margin-top: 38px; }
    .setup-download-card { min-height: 0; padding: 24px 21px; }
    .setup-step { grid-template-columns: 36px minmax(0, 1fr); gap: 8px 13px; }
    .setup-step p { grid-column: 2; }
    .setup-footer-note { align-items: stretch; flex-direction: column; text-align: center; }
    .setup-guide-link { justify-content: center; }
    .section-behind { padding-top: 0; }
    .behind-teaser { padding: 38px 25px; grid-template-columns: 1fr; gap: 28px; border-radius: 22px; }
    .behind-teaser .section-kicker, .behind-teaser h2, .behind-teaser p { text-align: center; }
    .behind-teaser-link { width: 100%; justify-content: center; white-space: normal; text-align: center; }
    .section-alt + .section-alt .section-inner { padding-top: 76px; }
    .section-lead { margin-bottom: 38px; font-size: 16px; }
    .profile-grid, .feature-grid, .step-grid { grid-template-columns: 1fr; }
    .section-profile-matrix { padding-top: 0; }
    .profile-matrix-head { align-items: flex-start; flex-direction: column; gap: 14px; }
    .profile-matrix-head p { text-align: left; }
    .profile-matrix { margin-top: 24px; border-radius: 19px; }
    .profile-row { grid-template-columns: minmax(0, 1fr) auto; gap: 7px 12px; padding: 17px 16px; }
    .profile-row strong { grid-column: 1; }
    .profile-row b { grid-column: 2; grid-row: 1; }
    .profile-row span { grid-column: 1 / -1; }
    .feature-grid { gap: 0; }
    .feature-card { min-height: 0; padding: 25px 0 30px; }
    .step-grid { margin-top: 38px; gap: 0; }
    .step-card { padding: 24px 0 28px; }
    .profile-card { padding: 28px; }
    .profile-photo { margin: -28px -28px 25px; }
    .requirements-card { padding: 23px 24px; }
    .requirements-card li { font-size: 14px; }
    .site-footer { width: calc(100% - 40px); flex-direction: column; }
}

@media (prefers-color-scheme: dark) {
    :root {
        color-scheme: dark;
        --page: #000000;
        --surface: #1c1c1e;
        --text: #f5f5f7;
        --muted: #a1a1a6;
        --border: rgba(255,255,255,0.14);
        --blue: #409cff;
        --cyan: #64d2ff;
        --dark: #0d0e10;
        --glass-surface: rgba(28,28,30,0.68);
        --glass-surface-strong: rgba(28,28,30,0.78);
        --glass-border: rgba(255,255,255,0.16);
        --glass-shadow: rgba(0,0,0,0.38);
    }

    body { background: var(--page); }
    .header-links a { color: #98989e; }
    .header-links a:hover { color: var(--text); }

    .hero::before {
        background:
            radial-gradient(circle at 43% 38%, rgba(43,137,255,0.19), transparent 30%),
            radial-gradient(circle at 61% 47%, rgba(51,194,223,0.13), transparent 29%);
    }

    h1 {
        background: linear-gradient(135deg, #f5f5f7 0%, #a1a1a6 100%);
        -webkit-background-clip: text;
        background-clip: text;
    }

    .actions {
        border-color: rgba(255,255,255,0.22);
        background: rgba(255,255,255,0.065);
        box-shadow: 0 22px 52px rgba(0,0,0,0.34), inset 0 1px 0 rgba(255,255,255,0.12);
    }

    .button-primary {
        background: rgba(245,245,247,0.90);
        color: #1d1d1f;
        box-shadow: 0 12px 30px rgba(0,0,0,0.28), inset 0 1px 0 #fff;
    }

    .button-primary:hover { background: #ffffff; box-shadow: 0 16px 36px rgba(0,0,0,0.34); }
    .button-secondary { background: transparent; color: #f5f5f7; }
    .button-secondary:hover { background: rgba(255,255,255,0.11); }
    .trust { color: #8e8e93; }

    .display-stage {
        border-color: rgba(255,255,255,0.15);
        background: #15171b;
        box-shadow: 0 52px 120px rgba(0,0,0,0.52), inset 0 1px 0 rgba(255,255,255,0.11);
    }

    .real-photo {
        border-color: rgba(255,255,255,0.15);
        box-shadow: 0 30px 78px rgba(0,0,0,0.42);
    }

    .stage-badge {
        border-color: rgba(255,255,255,0.14);
        background: #26282d;
        box-shadow: 0 15px 36px rgba(0,0,0,0.38);
    }

    .stage-badge span { color: #a1a1a6; }
    .stage-badge strong { color: #f5f5f7; }
    .mode-strip { border-color: rgba(255,255,255,0.16); }
    .mode-strip > div { border-right-color: rgba(255,255,255,0.12); }

    .profile-card,
    .requirements-card {
        border-color: rgba(255,255,255,0.14);
        background: rgba(28,28,30,0.68);
        box-shadow: 0 22px 60px rgba(0,0,0,0.34);
    }

    .live-card {
        border-color: rgba(255,255,255,0.14);
        box-shadow: 0 26px 66px rgba(0,0,0,0.34);
    }

    .profile-photo,
    .spec-row,
    .requirements-card li,
    .interface-list li { border-color: rgba(255,255,255,0.11); }

    .interface-stage {
        border-color: rgba(255,255,255,0.14);
        background: rgba(21,23,27,0.72);
        box-shadow: inset 0 1px 0 rgba(255,255,255,0.10), 0 32px 82px rgba(0,0,0,0.40);
    }

    .section-works .section-inner {
        border-color: rgba(255,255,255,0.14);
        background: rgba(21,23,27,0.70);
        box-shadow: inset 0 1px 0 rgba(255,255,255,0.10), 0 30px 80px rgba(0,0,0,0.38);
    }

    .works-grid { border-color: rgba(255,255,255,0.15); }
    .works-card { border-right-color: rgba(255,255,255,0.12); }
    .network-note strong { color: var(--text); }
    .setup-shell { border-color: rgba(255,255,255,0.14); background: rgba(28,28,30,0.68); box-shadow: inset 1px 1px 1px rgba(255,255,255,0.10), 0 30px 80px rgba(0,0,0,0.38); }
    .setup-download-card { background: rgba(255,255,255,0.045); }
    .setup-link { background: rgba(255,255,255,0.055); }
    .setup-link:hover { border-color: rgba(64,156,255,0.46); background: rgba(255,255,255,0.10); }
    .setup-step code { background: rgba(255,255,255,0.10); }
    .setup-guide-link { background: #f5f5f7; color: #1d1d1f; }
    .behind-teaser { border-color: rgba(255,255,255,0.14); background: rgba(28,28,30,0.68); box-shadow: inset 1px 1px 1px rgba(255,255,255,0.10), 0 24px 70px rgba(0,0,0,0.36); }
    .behind-teaser-link { background: #f5f5f7; color: #1d1d1f; }
    .behind-teaser-link:hover { background: #fff; }
    .section-alt { background: #0d0e10; }
    .section-alt + .section-alt .section-inner { border-top-color: rgba(255,255,255,0.14); }
    .site-footer { color: #8e8e93; }

    @media (max-width: 760px) {
        .mode-strip > div,
        .works-card { border-bottom-color: rgba(255,255,255,0.11); }
    }
}

@media (prefers-reduced-motion: no-preference) {
    .app-icon, .real-showcase, .display-stage { animation: rise-in 0.7s cubic-bezier(.16,1,.3,1) both; }
    .real-showcase { animation-delay: 0.1s; }
    .display-stage { animation-delay: 0.18s; }
    @keyframes rise-in { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
}