/* ============================================================
   Aimio — site stylesheet
   Tokens mirror AimioKit/DesignSystem/Tokens.swift:
     accent   #3A4CB8 light / #8E9BFF dark   (Palette.accent)
     power    #C62828 light / #D32F2F dark   (Palette.power)
     connected#1E7A46 light / #57C98A dark   (Palette.connected)
     corners  16 / 20  continuous             (Corner.key / Corner.card)
   ============================================================ */

:root {
    --accent: #3A4CB8;
    --accent-ink: #FFFFFF;
    --power: #C62828;
    --connected: #1E7A46;
    --connected-bg: #E7F5EC;

    --bg: #F4F5FA;
    --surface: #FFFFFF;
    --surface-2: #ECEEF8;
    --ink: #14162B;
    --ink-secondary: #4A4D6B;
    --ink-muted: #7A7D9C;
    --border: #E1E3F0;
    --shadow: 0 1px 2px rgba(20, 22, 43, 0.04), 0 8px 24px rgba(20, 22, 43, 0.06);
    --shadow-lg: 0 20px 60px rgba(20, 22, 43, 0.14);
    --radius-key: 16px;
    --radius-card: 20px;
    --radius-pill: 999px;
    --max: 1120px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --accent: #8E9BFF;
        --accent-ink: #0B1020;
        --power: #D32F2F;
        --connected: #57C98A;
        --connected-bg: rgba(87, 201, 138, 0.12);

        --bg: #0B0C18;
        --surface: #14162B;
        --surface-2: #1B1D38;
        --ink: #F2F2F7;
        --ink-secondary: #C3C5E0;
        --ink-muted: #8A8DB0;
        --border: rgba(255, 255, 255, 0.08);
        --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.35);
        --shadow-lg: 0 30px 80px rgba(0, 0, 0, 0.55);
    }
}

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

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--ink);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    transition: background .2s ease, color .2s ease;
}

a { color: var(--accent); }

img { max-width: 100%; display: block; }

.wrap {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Nav ---------- */
.nav {
    position: sticky;
    top: 0;
    z-index: 40;
    background: color-mix(in srgb, var(--bg) 82%, transparent);
    backdrop-filter: saturate(180%) blur(16px);
    -webkit-backdrop-filter: saturate(180%) blur(16px);
    border-bottom: 1px solid var(--border);
}
.nav .wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}
.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--ink);
    text-decoration: none;
    letter-spacing: -0.01em;
}
.nav-brand img { width: 30px; height: 30px; border-radius: 8px; }
.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    font-size: 0.94rem;
    font-weight: 500;
}
.nav-links a {
    color: var(--ink-secondary);
    text-decoration: none;
}
.nav-links a:hover { color: var(--ink); }
.nav-cta {
    padding: 9px 18px;
    border-radius: var(--radius-pill);
    background: var(--accent);
    color: var(--accent-ink) !important;
    font-weight: 600;
    font-size: 0.9rem;
}
.nav-toggle { display: none; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-pill);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: transform .15s ease, box-shadow .15s ease, opacity .15s ease;
}
.btn:active { transform: scale(0.97); }
.btn-primary {
    background: var(--accent);
    color: var(--accent-ink);
    box-shadow: 0 10px 30px color-mix(in srgb, var(--accent) 45%, transparent);
}
.btn-primary:hover { box-shadow: 0 14px 36px color-mix(in srgb, var(--accent) 55%, transparent); }
.btn-ghost {
    background: var(--surface);
    color: var(--ink);
    border: 1px solid var(--border);
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    overflow: hidden;
    padding: 96px 0 64px;
}
.hero::before {
    content: "";
    position: absolute;
    top: -220px;
    right: -160px;
    width: 640px;
    height: 640px;
    border-radius: 50%;
    background: radial-gradient(circle, color-mix(in srgb, var(--accent) 24%, transparent), transparent 70%);
    pointer-events: none;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 56px;
    align-items: center;
    position: relative;
}
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--connected);
    background: var(--connected-bg);
    padding: 7px 14px;
    border-radius: var(--radius-pill);
    margin-bottom: 22px;
}
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--connected); }

h1.headline {
    font-size: clamp(2.4rem, 4.4vw, 3.6rem);
    line-height: 1.06;
    letter-spacing: -0.03em;
    margin: 0 0 20px;
    font-weight: 800;
}
h1.headline span { color: var(--accent); }

.hero-sub {
    font-size: 1.18rem;
    line-height: 1.6;
    color: var(--ink-secondary);
    max-width: 520px;
    margin: 0 0 32px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 28px; }

.hero-meta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 0.86rem;
    color: var(--ink-muted);
}
.hero-meta span { display: inline-flex; align-items: center; gap: 6px; }

/* ---------- Phone / real app screenshot frame ---------- */
.hero-visual { position: relative; display: flex; align-items: flex-start; justify-content: center; }
.device-frame {
    position: relative;
    width: 268px;
    padding: 14px;
    border-radius: 52px;
    background: linear-gradient(160deg, #2a2a30, #0c0c0f);
    box-shadow: var(--shadow-lg), inset 0 0 0 1px rgba(255,255,255,0.08);
}
.device-frame::after {
    content: "";
    position: absolute;
    top: 24px; left: 50%;
    transform: translateX(-50%);
    width: 84px; height: 24px;
    background: #000;
    border-radius: var(--radius-pill);
    z-index: 2;
}
.device-frame picture {
    display: block;
    width: 100%;
}
.device-frame img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 449 / 800;
    object-fit: cover;
    border-radius: 38px;
}
.device-caption {
    text-align: center;
    font-size: 0.8rem;
    color: var(--ink-muted);
    margin-top: 16px;
}

.dpad {
    width: 168px;
    height: 168px;
    margin: 8px auto 20px;
    border-radius: 50%;
    background: var(--surface-2);
    position: relative;
    display: grid;
    place-items: center;
}
.dpad .ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 1.5px solid var(--border);
}
.dpad .arrow {
    position: absolute;
    font-size: 0.95rem;
    color: var(--ink-muted);
    line-height: 1;
}
.dpad .arrow.up    { top: 22px; left: 50%; transform: translateX(-50%); }
.dpad .arrow.down  { bottom: 22px; left: 50%; transform: translateX(-50%); }
.dpad .arrow.left  { left: 22px; top: 50%; transform: translateY(-50%); }
.dpad .arrow.right { right: 22px; top: 50%; transform: translateY(-50%); }
.dpad .ok {
    width: 62px; height: 62px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 6px 18px color-mix(in srgb, var(--accent) 55%, transparent);
}

/* ---------- Sections ---------- */
section { padding: 88px 0; }
.section-head { max-width: 640px; margin: 0 auto 52px; text-align: center; }
.eyebrow-alt {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 12px;
}
h2 {
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    letter-spacing: -0.02em;
    margin: 0 0 14px;
    font-weight: 800;
}
.section-sub { color: var(--ink-secondary); font-size: 1.08rem; line-height: 1.6; }

/* ---------- Feature grid ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 30px;
    box-shadow: var(--shadow);
}
.card-icon {
    width: 46px; height: 46px;
    border-radius: 13px;
    background: color-mix(in srgb, var(--accent) 14%, transparent);
    color: var(--accent);
    display: grid;
    place-items: center;
    font-size: 1.3rem;
    margin-bottom: 18px;
}
.card h3 { font-size: 1.12rem; margin: 0 0 10px; letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--ink-secondary); font-size: 0.96rem; line-height: 1.6; }

/* ---------- Brand strip ---------- */
.brand-strip {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 40px;
}
.brand-strip-head { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 10px; margin-bottom: 26px; }
.brand-strip-head h3 { margin: 0; font-size: 1.2rem; }
.brand-strip-head p { margin: 0; color: var(--ink-muted); font-size: 0.88rem; }
.brand-pills { display: flex; flex-wrap: wrap; gap: 10px; }
.brand-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: var(--radius-pill);
    background: var(--surface-2);
    font-weight: 600;
    font-size: 0.92rem;
    border: 1px solid var(--border);
}
.brand-pill .proto { font-weight: 400; color: var(--ink-muted); font-size: 0.8rem; }
.not-supported {
    margin-top: 22px;
    padding-top: 20px;
    border-top: 1px dashed var(--border);
    font-size: 0.86rem;
    color: var(--ink-muted);
}
.not-supported strong { color: var(--ink-secondary); }

/* ---------- Pricing ---------- */
.pricing-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; max-width: 760px; margin: 0 auto; }
.price-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 34px;
    text-align: left;
}
.price-card.featured {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent), var(--shadow-lg);
    position: relative;
}
.price-tag { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; }
.price-amount { font-size: 2.1rem; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 4px; }
.price-amount small { font-size: 1rem; font-weight: 600; color: var(--ink-muted); }
.price-note { color: var(--ink-secondary); font-size: 0.92rem; margin-bottom: 20px; }
.price-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; font-size: 0.92rem; color: var(--ink-secondary); }
.price-list li { display: flex; gap: 8px; align-items: flex-start; }
.price-list li::before { content: "✓"; color: var(--connected); font-weight: 700; flex-shrink: 0; }
.pricing-foot { text-align: center; color: var(--ink-muted); font-size: 0.85rem; margin-top: 26px; }

/* ---------- Accessibility band ---------- */
.a11y-band {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 44px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}
.a11y-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 16px; }
.a11y-list li { display: flex; gap: 14px; align-items: flex-start; font-size: 0.98rem; color: var(--ink-secondary); }
.a11y-list .mark {
    width: 28px; height: 28px; flex-shrink: 0;
    border-radius: 9px;
    background: color-mix(in srgb, var(--connected) 16%, transparent);
    color: var(--connected);
    display: grid; place-items: center;
    font-size: 0.85rem; font-weight: 700;
}

/* ---------- Everywhere strip ---------- */
.everywhere-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.everywhere-card { text-align: center; padding: 28px 18px; }
.everywhere-card .glyph {
    width: 52px; height: 52px; margin: 0 auto 16px;
    border-radius: 15px;
    background: var(--surface-2);
    display: grid; place-items: center;
    font-size: 1.4rem;
}
.everywhere-card h4 { margin: 0 0 6px; font-size: 0.98rem; }
.everywhere-card p { margin: 0; font-size: 0.84rem; color: var(--ink-muted); line-height: 1.5; }

/* ---------- Final CTA ---------- */
.final-cta {
    background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 60%, #0B1020));
    border-radius: 28px;
    padding: 64px 40px;
    text-align: center;
    color: #fff;
}
.final-cta h2 { color: #fff; }
.final-cta p { color: rgba(255,255,255,0.82); max-width: 480px; margin: 0 auto 30px; font-size: 1.05rem; }
.final-cta .btn-primary { background: #fff; color: var(--accent); box-shadow: 0 10px 30px rgba(0,0,0,0.25); }

/* ---------- Footer ---------- */
footer {
    border-top: 1px solid var(--border);
    padding: 48px 0;
}
.footer-grid { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px; }
.footer-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.footer-brand img { width: 26px; height: 26px; border-radius: 7px; }
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; font-size: 0.9rem; }
.footer-links a { color: var(--ink-secondary); text-decoration: none; }
.footer-links a:hover { color: var(--ink); }
.footer-copy { color: var(--ink-muted); font-size: 0.82rem; margin-top: 24px; text-align: center; }

/* ---------- Legal / support pages ---------- */
.legal-wrap { max-width: 760px; margin: 0 auto; padding: 64px 24px 96px; }
.legal-wrap h1 { font-size: 2.1rem; letter-spacing: -0.02em; margin-bottom: 6px; }
.legal-updated { color: var(--ink-muted); font-size: 0.88rem; margin-bottom: 40px; }
.legal-wrap h2 { font-size: 1.25rem; margin: 40px 0 12px; }
.legal-wrap p, .legal-wrap li { color: var(--ink-secondary); line-height: 1.75; font-size: 0.98rem; }
.legal-wrap ul { padding-left: 20px; }
.legal-wrap a { color: var(--accent); }
.back-link { display: inline-flex; align-items: center; gap: 6px; font-size: 0.9rem; font-weight: 600; text-decoration: none; color: var(--ink-secondary); margin-bottom: 28px; }

.faq-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 22px 26px;
    margin-bottom: 14px;
}
.faq-item h3 { margin: 0 0 8px; font-size: 1.02rem; }
.faq-item p { margin: 0; color: var(--ink-secondary); font-size: 0.95rem; line-height: 1.65; }

.contact-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    margin: 28px 0 44px;
}
.contact-card .btn { white-space: nowrap; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
    .hero-grid { grid-template-columns: 1fr; }
    .hero-visual { order: -1; }
    .grid-3, .grid-2, .everywhere-grid, .a11y-band, .pricing-grid { grid-template-columns: 1fr 1fr; }
    .everywhere-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .nav-links { display: none; }
    .grid-3, .a11y-band, .pricing-grid { grid-template-columns: 1fr; }
    .everywhere-grid { grid-template-columns: 1fr 1fr; }
    section { padding: 64px 0; }
    .a11y-band { padding: 30px; }
    .final-cta { padding: 48px 24px; }
}