:root {
    --font-display: "Segoe UI Variable Display", "Aptos Display", "Segoe UI", sans-serif;
    --font-body: "Segoe UI Variable Text", "Aptos", "Segoe UI", sans-serif;
    --ink-950: #050914;
    --ink-900: #091224;
    --ink-850: #0c1830;
    --ink-800: #10203d;
    --ink-700: #1a3155;
    --teal-300: #66f3e4;
    --teal-400: #1be0cb;
    --teal-500: #00bda8;
    --teal-600: #008c7d;
    --blue-400: #64a7ff;
    --gold-400: #e8b76b;
    --danger-400: #ff7f91;
    --success-400: #5be0a0;
    --iti-logo-bg: #091224;
    --white: #ffffff;
    --paper: #f6f8fb;
    --paper-strong: #e8eef6;
    --text: #f7fbff;
    --text-soft: #b7c3d8;
    --text-muted: #7f8fa9;
    --surface: rgba(255, 255, 255, 0.055);
    --surface-strong: rgba(255, 255, 255, 0.09);
    --surface-solid: #0d1930;
    --border: rgba(255, 255, 255, 0.12);
    --border-strong: rgba(102, 243, 228, 0.34);
    --shadow: 0 30px 90px rgba(0, 0, 0, 0.32);
    --shadow-teal: 0 24px 80px rgba(0, 189, 168, 0.18);
    --teal-haze: rgba(27, 224, 203, 0.12);
    --blue-haze: rgba(100, 167, 255, 0.1);
    --grid-mask: rgba(0, 0, 0, 0.34);
    --header-shadow: rgba(0, 0, 0, 0.12);
    --button-shadow: rgba(0, 189, 168, 0.22);
    --button-shadow-hover: rgba(0, 189, 168, 0.31);
    --overlay: rgba(1, 6, 15, 0.76);
    --focus-ring: rgba(27, 224, 203, 0.12);
    --orbit-glow: rgba(27, 224, 203, 0.08);
    --success-border: rgba(91, 224, 160, 0.32);
    --blue-border: rgba(100, 167, 255, 0.28);
    --gold-border: rgba(232, 183, 107, 0.3);
    --cta-teal: rgba(27, 224, 203, 0.16);
    --cta-blue: rgba(100, 167, 255, 0.07);
    --cta-glow: rgba(27, 224, 203, 0.18);
    --radius-sm: 10px;
    --radius-md: 18px;
    --radius-lg: 30px;
    --radius-xl: 44px;
    --shell: 1200px;
    --header-height: 78px;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

html[data-theme="light"] {
    --ink-950: #edf3f8;
    --ink-900: #f6f9fc;
    --ink-850: #ffffff;
    --ink-800: #e8eff6;
    --ink-700: #d3deea;
    --text: #0a1930;
    --text-soft: #40536d;
    --text-muted: #64748b;
    --surface: rgba(255, 255, 255, 0.72);
    --surface-strong: rgba(255, 255, 255, 0.94);
    --surface-solid: #ffffff;
    --border: rgba(10, 25, 48, 0.11);
    --border-strong: rgba(0, 140, 125, 0.34);
    --shadow: 0 30px 90px rgba(34, 62, 95, 0.14);
    --shadow-teal: 0 24px 80px rgba(0, 140, 125, 0.14);
    --header-shadow: rgba(34, 62, 95, 0.12);
    --button-shadow: rgba(0, 140, 125, 0.18);
    --button-shadow-hover: rgba(0, 140, 125, 0.26);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    min-width: 320px;
    color: var(--text);
    background:
        radial-gradient(circle at 10% 10%, var(--teal-haze), transparent 28rem),
        radial-gradient(circle at 90% 18%, var(--blue-haze), transparent 30rem),
        var(--ink-950);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
}
body::before {
    position: fixed;
    inset: 0;
    z-index: -2;
    content: "";
    background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 72px 72px;
    mask-image: linear-gradient(to bottom, var(--grid-mask), transparent 70%);
    opacity: 0.18;
    pointer-events: none;
}
body::after {
    position: fixed;
    inset: 0;
    z-index: 175;
    content: "";
    background: var(--ink-950);
    pointer-events: none;
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform 440ms var(--ease);
}
body.page-leaving::after { transform: scaleY(1); }
body.menu-open, body.dialog-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
::selection { color: var(--ink-950); background: var(--teal-300); }

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}
.skip-link {
    position: fixed;
    top: 10px;
    left: 10px;
    z-index: 200;
    padding: 10px 16px;
    color: var(--ink-950);
    background: var(--teal-300);
    border-radius: var(--radius-sm);
    transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }
.shell { width: min(calc(100% - 40px), var(--shell)); margin-inline: auto; }
.narrow { width: min(calc(100% - 40px), 820px); margin-inline: auto; }
.section { position: relative; padding: 112px 0; }
.section-compact { padding: 76px 0; }
.surface-section {
    border-block: 1px solid var(--border);
    background: linear-gradient(130deg, var(--surface), transparent 60%);
}

.site-progress {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 180;
    width: 100%;
    height: 2px;
    pointer-events: none;
}
.site-progress span {
    display: block;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, var(--teal-500), var(--teal-300), var(--blue-400));
    transform: scaleX(0);
    transform-origin: left;
}
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 150;
    width: 100%;
    height: var(--header-height);
    border-bottom: 1px solid transparent;
    transition: background 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}
.site-header.is-scrolled {
    background: color-mix(in srgb, var(--ink-950) 82%, transparent);
    border-color: var(--border);
    box-shadow: 0 16px 50px var(--header-shadow);
    backdrop-filter: blur(22px) saturate(140%);
}
.header-inner { height: 100%; display: flex; align-items: center; gap: 34px; }
.brand { flex: 0 0 auto; width: 146px; }
.brand img { width: 146px; height: auto; }
.brand-light { display: none; }
html[data-theme="light"] .brand-dark { display: none; }
html[data-theme="light"] .brand-light { display: block; }
.main-nav { display: flex; align-items: center; gap: 7px; margin-left: auto; }
.main-nav a {
    padding: 9px 12px;
    color: var(--text-soft);
    border-radius: 999px;
    font-size: 0.91rem;
    font-weight: 650;
    text-decoration: none;
    transition: color 180ms ease, background 180ms ease;
}
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--text); background: var(--surface); }
.header-actions { display: flex; align-items: center; gap: 8px; }
.icon-button, .menu-button, .dialog-close {
    display: grid;
    place-items: center;
    color: var(--text);
    background: var(--surface);
    border: 1px solid var(--border);
    cursor: pointer;
}
.icon-button { width: 40px; height: 40px; border-radius: 50%; }
.theme-icon { font-size: 1.25rem; line-height: 1; }
.theme-icon-sun { display: none; }
html[data-theme="light"] .theme-icon-sun { display: block; }
html[data-theme="light"] .theme-icon-moon { display: none; }
.menu-button { display: none; width: 44px; height: 44px; padding: 11px; border-radius: 50%; }
.menu-button span:not(.sr-only) { display: block; width: 20px; height: 2px; margin: 2px 0; background: currentColor; border-radius: 2px; }

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    min-height: 44px;
    padding: 11px 18px;
    border: 1px solid transparent;
    border-radius: 999px;
    font-size: 0.91rem;
    font-weight: 750;
    line-height: 1;
    text-decoration: none;
    cursor: pointer;
    transition: transform 180ms var(--ease), border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary {
    color: var(--ink-950);
    background: linear-gradient(120deg, var(--teal-300), var(--teal-500));
    box-shadow: 0 12px 35px var(--button-shadow);
}
.button-primary:hover { box-shadow: 0 18px 46px var(--button-shadow-hover); }
.button-secondary { color: var(--text); background: var(--surface); border-color: var(--border); }
.button-secondary:hover, .button-quiet:hover { border-color: var(--border-strong); background: var(--surface-strong); }
.button-quiet { color: var(--text-soft); background: transparent; border-color: var(--border); }
.button-block { width: 100%; }
.button-arrow::after { content: "↗"; font-size: 1rem; }

.access-panel[hidden] { display: none; }
.access-panel { position: fixed; inset: 0; z-index: 190; display: grid; place-items: center; padding: 20px; }
.access-backdrop { position: absolute; inset: 0; width: 100%; border: 0; background: var(--overlay); backdrop-filter: blur(12px); cursor: default; }
.access-dialog {
    position: relative;
    z-index: 1;
    width: min(100%, 520px);
    padding: 38px;
    background: var(--surface-solid);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-teal);
}
.dialog-close { position: absolute; top: 18px; right: 18px; width: 38px; height: 38px; border-radius: 50%; font-size: 1.45rem; }
.access-dialog h2 { margin: 8px 40px 8px 0; font: 750 clamp(1.7rem, 5vw, 2.3rem)/1.12 var(--font-display); letter-spacing: -0.04em; }
.access-dialog > p { margin: 0 0 24px; color: var(--text-soft); }
.access-form label, .contact-form label { display: block; margin-bottom: 7px; color: var(--text); font-size: 0.86rem; font-weight: 700; }
.domain-field { display: flex; align-items: center; background: var(--ink-900); border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; }
.domain-field:focus-within { border-color: var(--teal-400); box-shadow: 0 0 0 3px var(--focus-ring); }
.domain-field input { min-width: 0; flex: 1; padding: 14px; color: var(--text); background: transparent; border: 0; outline: 0; }
.domain-field span { padding-right: 14px; color: var(--text-muted); font-size: 0.9rem; }
.field-note { margin: 6px 0 18px; color: var(--text-muted); font-size: 0.78rem; }
.form-feedback { min-height: 24px; margin: 0 0 10px; color: var(--danger-400); font-size: 0.86rem; }
.form-feedback.is-success { color: var(--success-400); }

.hero { min-height: 100svh; padding: calc(var(--header-height) + 84px) 0 90px; display: grid; align-items: center; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.04fr) minmax(380px, 0.96fr); align-items: center; gap: 72px; }
.kicker {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    color: var(--teal-300);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}
.kicker::before { width: 7px; height: 7px; content: ""; background: var(--teal-400); border-radius: 50%; box-shadow: 0 0 18px var(--teal-400); }
.hero h1, .page-hero h1 {
    margin: 18px 0 24px;
    font: 760 clamp(3.1rem, 6vw, 5.9rem)/0.96 var(--font-display);
    letter-spacing: -0.067em;
    text-wrap: balance;
}
.page-hero h1 { max-width: 900px; font-size: clamp(2.8rem, 5.2vw, 4.9rem); }
.text-gradient { color: transparent; background: linear-gradient(110deg, var(--teal-300), var(--blue-400)); background-clip: text; -webkit-background-clip: text; }
.hero-lead, .page-lead { max-width: 690px; margin: 0 0 34px; color: var(--text-soft); font-size: clamp(1.08rem, 2vw, 1.32rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 42px; color: var(--text-muted); font-size: 0.84rem; }
.hero-proof span { display: inline-flex; align-items: center; gap: 8px; }
.hero-proof span::before { content: "✓"; color: var(--teal-300); font-weight: 900; }

.hero-system { position: relative; min-height: 580px; perspective: 1200px; }
.orbit { position: absolute; inset: 50% auto auto 50%; width: 480px; height: 480px; border: 1px solid var(--border); border-radius: 50%; transform: translate(-50%, -50%); }
.orbit::before, .orbit::after { position: absolute; inset: 12%; content: ""; border: 1px solid var(--border); border-radius: inherit; }
.orbit::after { inset: 28%; border-color: var(--border-strong); box-shadow: inset 0 0 60px var(--orbit-glow); }
.orbit-node { position: absolute; display: grid; place-items: center; width: 92px; height: 92px; padding: 12px; text-align: center; color: var(--text-soft); background: var(--surface-solid); border: 1px solid var(--border); border-radius: 24px; box-shadow: var(--shadow); font-size: 0.76rem; font-weight: 750; }
.orbit-node strong { display: block; color: var(--teal-300); font-size: 1.2rem; }
.orbit-node-one { top: 3%; left: 9%; }
.orbit-node-two { top: 7%; right: 0; }
.orbit-node-three { right: 2%; bottom: 9%; }
.orbit-node-four { bottom: 4%; left: 6%; }
.product-window { position: absolute; top: 50%; left: 50%; width: min(90%, 440px); transform: translate(-50%, -50%) rotateY(-8deg) rotateX(4deg); background: color-mix(in srgb, var(--surface-solid) 88%, transparent); border: 1px solid var(--border-strong); border-radius: var(--radius-lg); box-shadow: var(--shadow-teal); backdrop-filter: blur(22px); overflow: hidden; }
.window-bar { display: flex; align-items: center; gap: 6px; padding: 15px 18px; border-bottom: 1px solid var(--border); }
.window-bar i { width: 8px; height: 8px; background: var(--text-muted); border-radius: 50%; }
.window-bar span { margin-left: 8px; color: var(--text-muted); font-size: 0.72rem; }
.window-body { padding: 22px; }
.window-heading { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 22px; }
.window-heading strong { font: 720 1.15rem/1.1 var(--font-display); }
.window-heading span { color: var(--success-400); font-size: 0.74rem; }
.metric-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; }
.metric { padding: 13px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); }
.metric span { display: block; color: var(--text-muted); font-size: 0.68rem; }
.metric strong { display: block; margin-top: 5px; font-size: 1.3rem; }
.activity-list { display: grid; gap: 9px; margin-top: 18px; }
.activity { display: grid; grid-template-columns: 32px 1fr auto; align-items: center; gap: 10px; padding: 10px; background: var(--surface); border-radius: var(--radius-sm); }
.activity-icon { display: grid; place-items: center; width: 32px; height: 32px; color: var(--ink-950); background: var(--teal-300); border-radius: 9px; font-weight: 900; }
.activity b { display: block; font-size: 0.75rem; }
.activity small, .activity time { color: var(--text-muted); font-size: 0.65rem; }

.page-hero { padding: calc(var(--header-height) + 110px) 0 100px; }
.page-hero-grid { display: grid; grid-template-columns: 1fr 0.42fr; align-items: end; gap: 50px; }
.page-stat { padding: 28px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); }
.page-stat strong { display: block; color: var(--teal-300); font: 750 clamp(2.4rem, 5vw, 4.2rem)/1 var(--font-display); letter-spacing: -0.06em; }
.page-stat span { display: block; margin-top: 9px; color: var(--text-soft); }

.section-heading { display: grid; grid-template-columns: 0.72fr 1fr; gap: 70px; align-items: end; margin-bottom: 54px; }
.section-heading h2 { margin: 12px 0 0; font: 750 clamp(2.15rem, 4vw, 3.85rem)/1.03 var(--font-display); letter-spacing: -0.052em; text-wrap: balance; }
.section-heading > p { margin: 0; color: var(--text-soft); font-size: 1.08rem; }
.section-title { margin: 10px 0 18px; font: 750 clamp(2.15rem, 4vw, 3.8rem)/1.03 var(--font-display); letter-spacing: -0.052em; text-wrap: balance; }
.section-lead { max-width: 720px; margin: 0; color: var(--text-soft); font-size: 1.08rem; }

.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-card, .story-card, .trust-card, .plan-card, .contact-card {
    position: relative;
    padding: 28px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: transform 280ms var(--ease), border-color 280ms ease, background 280ms ease;
}
.feature-card::before, .plan-card::before { position: absolute; top: 0; left: 0; width: 100%; height: 2px; content: ""; background: linear-gradient(90deg, transparent, var(--teal-400), transparent); opacity: 0; transition: opacity 220ms ease; }
.feature-card:hover, .story-card:hover, .plan-card:hover { transform: translateY(-7px); border-color: var(--border-strong); background: var(--surface-strong); }
.feature-card:hover::before, .plan-card:hover::before { opacity: 1; }
.feature-number { display: inline-flex; margin-bottom: 42px; color: var(--teal-300); font: 800 0.78rem/1 var(--font-body); letter-spacing: 0.12em; }
.feature-card h3, .story-card h3, .trust-card h3, .plan-card h3 { margin: 0 0 10px; font: 720 1.35rem/1.16 var(--font-display); letter-spacing: -0.035em; }
.feature-card p, .story-card p, .trust-card p, .plan-card p { margin: 0; color: var(--text-soft); font-size: 0.93rem; }
.feature-card a, .story-card a { display: inline-flex; margin-top: 22px; color: var(--teal-300); font-size: 0.86rem; font-weight: 750; text-decoration: none; }

.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: flow; }
.flow-step { position: relative; padding: 26px 25px 30px; border-top: 1px solid var(--border); counter-increment: flow; }
.flow-step::before { display: grid; place-items: center; width: 42px; height: 42px; margin-top: -22px; margin-bottom: 24px; content: counter(flow, decimal-leading-zero); color: var(--ink-950); background: var(--teal-300); border-radius: 50%; font-size: 0.74rem; font-weight: 850; box-shadow: 0 0 0 9px var(--ink-950); }
.flow-step h3 { margin: 0 0 8px; font: 720 1.1rem/1.2 var(--font-display); }
.flow-step p { margin: 0; color: var(--text-soft); font-size: 0.88rem; }

.trace-layout { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr); gap: 22px; align-items: stretch; }
.trace-timeline { position: relative; padding: 16px 28px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); }
.trace-timeline::before { position: absolute; top: 48px; bottom: 48px; left: 48px; width: 1px; content: ""; background: linear-gradient(var(--teal-400), var(--blue-400), var(--border)); }
.trace-event { position: relative; display: grid; grid-template-columns: 42px 1fr auto; align-items: center; gap: 18px; min-height: 104px; padding: 18px 0; border-bottom: 1px solid var(--border); }
.trace-event:last-child { border-bottom: 0; }
.trace-marker { z-index: 1; display: grid; place-items: center; width: 42px; height: 42px; color: var(--teal-300); background: var(--surface-solid); border: 1px solid var(--border-strong); border-radius: 50%; font-size: 0.7rem; font-weight: 850; box-shadow: 0 0 0 7px var(--ink-950); }
.trace-event.is-active .trace-marker { color: var(--ink-950); background: var(--teal-300); box-shadow: 0 0 0 7px var(--ink-950), 0 0 34px var(--cta-glow); }
.trace-event small { color: var(--text-muted); font-size: 0.7rem; }
.trace-event h3 { margin: 3px 0 5px; font: 720 1.05rem/1.2 var(--font-display); }
.trace-event p { margin: 0; color: var(--text-soft); font-size: 0.84rem; }
.trace-state { padding: 6px 9px; color: var(--teal-300); background: var(--teal-haze); border: 1px solid var(--border-strong); border-radius: 999px; font-size: 0.66rem; font-weight: 800; white-space: nowrap; }
.trace-summary { padding: 34px; background: linear-gradient(145deg, var(--cta-teal), transparent), var(--surface); border: 1px solid var(--border-strong); border-radius: var(--radius-lg); box-shadow: var(--shadow-teal); }
.trace-summary h3 { margin: 14px 0 25px; font: 740 clamp(1.7rem, 3vw, 2.45rem)/1.08 var(--font-display); letter-spacing: -0.045em; }
.trace-summary > p { margin: 24px 0; color: var(--text-soft); font-size: 0.88rem; }
.trace-facts { display: grid; gap: 0; padding: 0; margin: 0; list-style: none; }
.trace-facts li { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 12px 0; border-bottom: 1px solid var(--border); }
.trace-facts span { color: var(--text-muted); font-size: 0.75rem; }
.trace-facts strong { color: var(--text); font-size: 0.8rem; text-align: right; }

.split { display: grid; grid-template-columns: 0.88fr 1.12fr; gap: 72px; align-items: center; }
.split.reverse { grid-template-columns: 1.12fr 0.88fr; }
.visual-panel { min-height: 470px; padding: 28px; background: linear-gradient(145deg, var(--surface-strong), transparent), var(--ink-900); border: 1px solid var(--border); border-radius: var(--radius-xl); box-shadow: var(--shadow); overflow: hidden; }
.visual-panel h3 { margin: 0 0 26px; font: 700 1rem/1.2 var(--font-display); color: var(--text-soft); }
.certificate-stack { position: relative; min-height: 340px; }
.certificate-card { position: absolute; width: 78%; padding: 24px; background: var(--surface-solid); border: 1px solid var(--border); border-radius: var(--radius-md); box-shadow: var(--shadow); }
.certificate-card:nth-child(1) { top: 0; left: 0; transform: rotate(-4deg); opacity: 0.65; }
.certificate-card:nth-child(2) { top: 45px; right: 0; transform: rotate(4deg); opacity: 0.82; }
.certificate-card:nth-child(3) { top: 98px; left: 9%; border-color: var(--border-strong); }
.certificate-card b { display: block; margin-bottom: 18px; }
.certificate-line { height: 8px; margin: 9px 0; background: var(--border); border-radius: 999px; }
.certificate-line.short { width: 58%; }
.status-row { display: flex; justify-content: space-between; gap: 20px; margin-top: 20px; color: var(--text-muted); font-size: 0.75rem; }
.status-ok { color: var(--success-400); }
.bullet-list { display: grid; gap: 13px; padding: 0; margin: 28px 0 0; list-style: none; }
.bullet-list li { display: grid; grid-template-columns: 24px 1fr; gap: 10px; color: var(--text-soft); }
.bullet-list li::before { content: "✓"; color: var(--teal-300); font-weight: 900; }

.logo-strip { display: grid; grid-template-columns: 1fr repeat(4, auto); align-items: center; gap: 30px; padding: 24px 0; color: var(--text-muted); border-block: 1px solid var(--border); font-size: 0.82rem; }
.logo-strip strong { color: var(--text); font-size: 0.92rem; }
.logo-chip { padding: 8px 14px; border: 1px solid var(--border); border-radius: 999px; }

.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.trust-card { min-height: 270px; }
.trust-card .trust-status { display: inline-flex; padding: 6px 10px; margin-bottom: 50px; border: 1px solid var(--border); border-radius: 999px; color: var(--text-soft); font-size: 0.7rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }
.trust-card.is-verified { border-color: var(--success-border); }
.trust-card.is-verified .trust-status { color: var(--success-400); }
.trust-card.is-declared { border-color: var(--blue-border); }
.trust-card.is-declared .trust-status { color: var(--blue-400); }
.trust-card.is-missing { border-color: var(--gold-border); }
.trust-card.is-missing .trust-status { color: var(--gold-400); }

.plan-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.plan-card { padding: 34px; }
.plan-card.is-featured { border-color: var(--border-strong); box-shadow: var(--shadow-teal); }
.plan-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
.plan-badge { padding: 5px 9px; color: var(--ink-950); background: var(--teal-300); border-radius: 999px; font-size: 0.68rem; font-weight: 850; text-transform: uppercase; }
.plan-price { margin: 28px 0; color: var(--text); font: 720 1.35rem/1.2 var(--font-display); }
.plan-limits { display: grid; gap: 10px; margin: 24px 0 30px; padding-top: 20px; border-top: 1px solid var(--border); }
.plan-limit { display: flex; justify-content: space-between; gap: 20px; color: var(--text-soft); font-size: 0.9rem; }
.plan-limit strong { color: var(--text); }

.faq-list { display: grid; gap: 10px; margin-top: 38px; }
.faq-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); }
.faq-item summary { display: flex; justify-content: space-between; gap: 20px; padding: 22px 24px; cursor: pointer; font-weight: 720; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; color: var(--teal-300); font-size: 1.35rem; }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { margin: 0; padding: 0 24px 22px; color: var(--text-soft); }

.contact-layout { display: grid; grid-template-columns: 0.72fr 1.28fr; gap: 22px; align-items: start; }
.contact-aside { position: sticky; top: 110px; display: grid; gap: 14px; }
.contact-card h3 { margin-bottom: 8px; }
.contact-card a { color: var(--teal-300); text-decoration: none; }
.contact-form { position: relative; padding: 38px; background: linear-gradient(145deg, var(--surface-strong), transparent), var(--surface-solid); border: 1px solid var(--border-strong); border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.contact-form::before { position: absolute; inset: 0 auto auto 8%; width: 84%; height: 1px; content: ""; background: linear-gradient(90deg, transparent, var(--teal-400), transparent); }
.form-intro { display: grid; grid-template-columns: 1.1fr 0.9fr; align-items: end; gap: 30px; margin-bottom: 34px; padding-bottom: 28px; border-bottom: 1px solid var(--border); }
.form-intro h2 { margin: 10px 0 0; font: 740 clamp(1.75rem, 3vw, 2.55rem)/1.06 var(--font-display); letter-spacing: -0.045em; }
.form-intro p { margin: 0; color: var(--text-muted); font-size: 0.82rem; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.form-group.is-full { grid-column: 1 / -1; }
.form-group { min-width: 0; }
.contact-form input, .contact-form select, .contact-form textarea {
    width: 100%;
    min-height: 50px;
    padding: 14px 16px;
    color: var(--text);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 13px;
    outline: 0;
    transition: border-color 180ms ease, box-shadow 180ms ease, background 180ms ease, transform 180ms ease;
}
.contact-form input::placeholder, .contact-form textarea::placeholder { color: var(--text-muted); opacity: 0.72; }
.contact-form input:hover, .contact-form textarea:hover { border-color: var(--border-strong); background: var(--surface-strong); }
.contact-form textarea { min-height: 150px; resize: vertical; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: var(--teal-400); box-shadow: 0 0 0 3px var(--focus-ring); }
.contact-form select { color-scheme: dark; }
html[data-theme="light"] .contact-form select { color-scheme: light; }
.contact-form select option { color: var(--text); background: var(--surface-solid); }
.contact-form select.is-enhanced { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; opacity: 0; pointer-events: none; }
.custom-select { position: relative; }
.custom-select-trigger { display: flex; align-items: center; justify-content: space-between; gap: 16px; width: 100%; min-height: 50px; padding: 14px 16px; color: var(--text); text-align: left; background: var(--surface); border: 1px solid var(--border); border-radius: 13px; cursor: pointer; transition: border-color 180ms ease, background 180ms ease, box-shadow 180ms ease; }
.custom-select-trigger::after { width: 9px; height: 9px; content: ""; border-right: 2px solid var(--teal-300); border-bottom: 2px solid var(--teal-300); transform: translateY(-3px) rotate(45deg); transition: transform 220ms var(--ease); }
.custom-select-trigger:hover { border-color: var(--border-strong); background: var(--surface-strong); }
.custom-select-trigger:focus-visible { outline: 0; border-color: var(--teal-400); box-shadow: 0 0 0 3px var(--focus-ring); }
.custom-select.is-open .custom-select-trigger::after { transform: translateY(3px) rotate(225deg); }
.custom-select-menu { position: absolute; top: calc(100% + 8px); left: 0; z-index: 30; display: grid; width: 100%; max-height: 270px; padding: 7px; overflow-y: auto; background: var(--surface-solid); border: 1px solid var(--border-strong); border-radius: 14px; box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translateY(-8px) scale(0.98); transform-origin: top; transition: opacity 180ms ease, visibility 180ms ease, transform 220ms var(--ease); }
.custom-select.is-open .custom-select-menu { opacity: 1; visibility: visible; transform: translateY(0) scale(1); }
.custom-select-option { width: 100%; padding: 11px 12px; color: var(--text-soft); text-align: left; background: transparent; border: 0; border-radius: 9px; cursor: pointer; transition: color 160ms ease, background 160ms ease, transform 160ms ease; }
.custom-select-option:hover, .custom-select-option:focus-visible { color: var(--text); background: var(--surface-strong); outline: 0; transform: translateX(3px); }
.custom-select-option[aria-selected="true"] { color: var(--teal-300); background: var(--teal-haze); font-weight: 750; }
.captcha-shell { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px; background: var(--surface); border: 1px solid var(--border); border-radius: 14px; overflow: hidden; }
.captcha-shell > span { color: var(--text-soft); font-size: 0.8rem; font-weight: 700; }
.required { color: var(--teal-300); }
.form-actions { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 22px; }
.form-actions small { max-width: 400px; color: var(--text-muted); }

.iti-proof { display: grid; grid-template-columns: 260px 1fr; gap: 42px; align-items: center; padding: 42px; background: linear-gradient(130deg, var(--cta-teal), transparent 64%), var(--surface); border: 1px solid var(--border-strong); border-radius: var(--radius-xl); box-shadow: var(--shadow-teal); }
.iti-proof-logo { display: grid; place-items: center; min-height: 170px; padding: 30px; background: var(--iti-logo-bg); border: 1px solid var(--border); border-radius: var(--radius-lg); transition: transform 260ms var(--ease), border-color 260ms ease, box-shadow 260ms ease; }
.iti-proof-logo:hover { transform: translateY(-5px); border-color: var(--border-strong); box-shadow: var(--shadow-teal); }
.iti-proof-logo:focus-visible { outline: 3px solid var(--teal-400); outline-offset: 4px; }
.iti-proof-logo img { width: min(100%, 170px); height: auto; }
.iti-proof-content h2 { margin: 12px 0 16px; font: 750 clamp(2rem, 3.7vw, 3.45rem)/1.04 var(--font-display); letter-spacing: -0.052em; text-wrap: balance; }
.iti-proof-content > p { max-width: 800px; margin: 0; color: var(--text-soft); }
.iti-proof-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }

.privacy-banner { position: fixed; right: 18px; bottom: 18px; left: 18px; z-index: 220; display: flex; justify-content: center; transition: opacity 300ms ease, transform 360ms var(--ease); }
.privacy-banner[hidden] { display: none; }
.privacy-banner.is-hiding { opacity: 0; transform: translateY(28px); }
.privacy-banner-inner { display: grid; grid-template-columns: 48px 1fr auto; align-items: center; gap: 18px; width: min(100%, 1080px); padding: 18px 20px; background: color-mix(in srgb, var(--surface-solid) 92%, transparent); border: 1px solid var(--border-strong); border-radius: var(--radius-md); box-shadow: var(--shadow); backdrop-filter: blur(20px) saturate(140%); }
.privacy-icon { display: grid; place-items: center; width: 48px; height: 48px; color: var(--teal-300); background: var(--teal-haze); border: 1px solid var(--border-strong); border-radius: 13px; }
.privacy-banner p { margin: 0; color: var(--text-soft); font-size: 0.8rem; }
.privacy-banner p strong { color: var(--text); }
.privacy-banner p a { color: var(--teal-300); text-underline-offset: 3px; }
.privacy-accept { white-space: nowrap; }

.cta-panel { position: relative; padding: 66px; background: linear-gradient(125deg, var(--cta-teal), var(--cta-blue)), var(--surface); border: 1px solid var(--border-strong); border-radius: var(--radius-xl); overflow: hidden; }
.cta-panel::after { position: absolute; right: -100px; bottom: -160px; width: 430px; height: 430px; content: ""; background: radial-gradient(circle, var(--cta-glow), transparent 66%); border-radius: 50%; pointer-events: none; }
.cta-panel h2 { max-width: 790px; margin: 10px 0 24px; font: 750 clamp(2.15rem, 4vw, 4rem)/1.02 var(--font-display); letter-spacing: -0.055em; }
.cta-panel p { max-width: 650px; margin: 0 0 28px; color: var(--text-soft); font-size: 1.06rem; }

.site-footer { padding: 70px 0 24px; background: var(--ink-900); border-top: 1px solid var(--border); }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 60px; }
.footer-brand img { width: 155px; }
.footer-brand p { max-width: 330px; margin: 20px 0 0; color: var(--text-muted); font-size: 0.88rem; }
.footer-grid h2 { margin: 0 0 15px; font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase; }
.footer-grid a, .footer-grid span { display: block; width: fit-content; margin: 8px 0; color: var(--text-muted); font-size: 0.86rem; text-decoration: none; }
.footer-grid a:hover { color: var(--teal-300); }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; margin-top: 54px; padding-top: 24px; color: var(--text-muted); border-top: 1px solid var(--border); font-size: 0.75rem; }

[data-reveal] { opacity: 0; transform: translateY(34px); transition: opacity 820ms var(--ease), transform 820ms var(--ease), filter 820ms var(--ease); filter: blur(4px); }
[data-reveal][data-reveal-style="left"] { transform: translateX(-42px); }
[data-reveal][data-reveal-style="right"] { transform: translateX(42px); }
[data-reveal][data-reveal-style="scale"] { transform: translateY(18px) scale(0.965); }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }
[data-reveal].is-visible { filter: blur(0); }
[data-reveal-delay="1"] { transition-delay: 90ms; }
[data-reveal-delay="2"] { transition-delay: 180ms; }
[data-reveal-delay="3"] { transition-delay: 270ms; }

@media (max-width: 1040px) {
    .header-contact { display: none; }
    .main-nav { position: fixed; top: var(--header-height); left: 20px; right: 20px; display: none; padding: 16px; background: var(--surface-solid); border: 1px solid var(--border); border-radius: var(--radius-md); box-shadow: var(--shadow); }
    .main-nav.is-open { display: grid; }
    .main-nav a { padding: 13px 14px; }
    .menu-button { display: block; }
    .hero-grid, .page-hero-grid, .split, .split.reverse, .section-heading, .contact-layout, .trace-layout, .iti-proof { grid-template-columns: 1fr; }
    .hero { padding-top: calc(var(--header-height) + 70px); }
    .hero-system { min-height: 540px; }
    .page-stat { max-width: 420px; }
    .section-heading { gap: 22px; }
    .contact-aside { position: static; grid-template-columns: repeat(3, 1fr); }
    .footer-grid { grid-template-columns: 1.4fr repeat(3, 1fr); gap: 30px; }
}

@media (max-width: 760px) {
    :root { --header-height: 68px; }
    .shell, .narrow { width: min(calc(100% - 28px), var(--shell)); }
    .section { padding: 82px 0; }
    .section-compact { padding: 58px 0; }
    .brand, .brand img { width: 126px; }
    .header-access { display: none; }
    .hero h1, .page-hero h1 { font-size: clamp(2.4rem, 11vw, 3.65rem); }
    .hero-grid { gap: 48px; }
    .hero-system { min-height: 420px; }
    .orbit { width: 340px; height: 340px; }
    .orbit-node { width: 72px; height: 72px; font-size: 0.63rem; border-radius: 18px; }
    .product-window { width: 88%; }
    .window-body { padding: 15px; }
    .metric strong { font-size: 1rem; }
    .card-grid, .trust-grid, .plan-grid, .contact-aside, .form-grid { grid-template-columns: 1fr; }
    .flow { grid-template-columns: 1fr 1fr; row-gap: 28px; }
    .visual-panel { min-height: 410px; }
    .logo-strip { grid-template-columns: 1fr 1fr; gap: 14px; }
    .logo-strip strong { grid-column: 1 / -1; }
    .form-group.is-full { grid-column: auto; }
    .contact-form { padding: 24px; }
    .form-intro { grid-template-columns: 1fr; gap: 12px; }
    .trace-event { grid-template-columns: 42px 1fr; }
    .trace-state { grid-column: 2; width: fit-content; }
    .captcha-shell { align-items: flex-start; flex-direction: column; }
    .iti-proof { gap: 24px; padding: 28px; }
    .iti-proof-logo { min-height: 130px; }
    .privacy-banner { right: 10px; bottom: 10px; left: 10px; }
    .privacy-banner-inner { grid-template-columns: 1fr; gap: 12px; padding: 18px; }
    .privacy-icon { display: none; }
    .privacy-accept { width: 100%; }
    [data-reveal][data-reveal-style="left"], [data-reveal][data-reveal-style="right"], [data-reveal][data-reveal-style="scale"] { transform: translateY(28px); }
    [data-reveal].is-visible { transform: translateY(0); }
    .form-actions { align-items: stretch; flex-direction: column; }
    .cta-panel { padding: 42px 26px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
    .footer-bottom { flex-direction: column; }
}

@media (max-width: 460px) {
    .hero-actions .button { width: 100%; }
    .hero-proof { display: grid; gap: 8px; }
    .orbit-node-two, .orbit-node-four { display: none; }
    .flow { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-brand { grid-column: auto; }
    .access-dialog { padding: 30px 22px; }
    .domain-field { align-items: stretch; flex-direction: column; }
    .domain-field span { padding: 0 14px 12px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
    [data-reveal] { opacity: 1; transform: none; }
}

@view-transition { navigation: auto; }
::view-transition-old(root) { animation: page-out 260ms ease both; }
::view-transition-new(root) { animation: page-in 440ms var(--ease) both; }
@keyframes page-out { to { opacity: 0; transform: scale(0.985); } }
@keyframes page-in { from { opacity: 0; transform: translateY(14px) scale(0.99); } }