/* Habitsss site theme. Tokens mirror the app (ui/theme/Color.kt, seed #B1D18A)
   and the Play listing palettes (store-listing/Design.kt: Forest, Ocean, Indigo, Sunset, Paper). */

@font-face {
    font-family: 'Roboto';
    font-style: normal;
    font-weight: 100 900;
    font-display: swap;
    src: url(/resources/fonts/roboto-latin.woff2) format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ponytail: icon font subset to the icons below. New icon? Re-download from
   fonts.googleapis.com/css2?family=Material+Symbols+Rounded:opsz,wght,FILL,GRAD@24,500,1,0&icon_names=<sorted,list>
   cloud_done, expand_more, local_fire_department, notifications, palette, schedule, watch, widgets, wifi_off */
@font-face {
    font-family: 'Material Symbols Rounded';
    font-style: normal;
    font-weight: 500;
    font-display: block;
    src: url(/resources/fonts/material-symbols-subset.woff2) format('woff2');
}

:root {
    color-scheme: dark light;

    /* Forest palette (dark default) */
    --bg: #0A1410;
    --bg-end: #0F172A;
    --glow: #22C55E;
    --glow-2: #0D9488;
    --text: #FFFFFF;
    --text-2: rgba(255, 255, 255, 0.72);
    --surface: rgba(255, 255, 255, 0.05);
    --surface-2: rgba(255, 255, 255, 0.09);
    --border: rgba(255, 255, 255, 0.1);
    --grid-line: rgba(255, 255, 255, 0.035);
    --header-bg: rgba(10, 20, 16, 0.7);

    /* App primary (primaryDark / onPrimaryDark) */
    --primary: #B1D18A;
    --on-primary: #1F3701;
    --primary-container: #354E16;
    --on-primary-container: #CDEDA3;

    /* Headline highlight, per section via --accent */
    --accent-green: #86EFAC;
    --accent-cyan: #67E8F9;
    --accent-indigo: #A5B4FC;
    --accent-amber: #FDE68A;
    --accent-yellow: #FACC15;
    --accent: var(--accent-green);

    --radius: 24px;
    --max: 1180px;
    --font: 'Roboto', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

@media (prefers-color-scheme: light) {
    /* Paper palette + app light scheme */
    :root {
        --bg: #F6F7F2;
        --bg-end: #E6EDE4;
        --glow: #86EFAC;
        --glow-2: #BAE6FD;
        --text: #0F172A;
        --text-2: #475569;
        --surface: rgba(255, 255, 255, 0.7);
        --surface-2: #FFFFFF;
        --border: rgba(15, 23, 42, 0.08);
        --grid-line: rgba(15, 23, 42, 0.04);
        --header-bg: rgba(246, 247, 242, 0.75);

        --primary: #4C662B;
        --on-primary: #FFFFFF;
        --primary-container: #CDEDA3;
        --on-primary-container: #102000;

        --accent-green: #15803D;
        --accent-cyan: #0E7490;
        --accent-indigo: #4F46E5;
        --accent-amber: #B45309;
        --accent-yellow: #A16207;
    }
}

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

html { scroll-behavior: smooth; scroll-padding-top: 88px; }

body {
    font-family: var(--font);
    color: var(--text);
    line-height: 1.6;
    background:
        radial-gradient(900px 600px at 10% -10%, color-mix(in srgb, var(--glow) 28%, transparent), transparent 70%),
        radial-gradient(800px 600px at 100% 20%, color-mix(in srgb, var(--glow-2) 22%, transparent), transparent 70%),
        linear-gradient(180deg, var(--bg), var(--bg-end));
    background-color: var(--bg);
    background-attachment: fixed;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* faint grid, like the Play listing hero */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background-image:
        linear-gradient(var(--grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse at 50% 0%, #000 30%, transparent 75%);
}

a { color: var(--accent); }
img { max-width: 100%; display: block; }

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

.material-symbols-rounded {
    font-family: 'Material Symbols Rounded';
    font-weight: normal;
    font-style: normal;
    font-size: 24px;
    line-height: 1;
    display: inline-block;
    white-space: nowrap;
    direction: ltr;
    font-feature-settings: 'liga';
    user-select: none;
}

/* ───── Header ───── */

header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--header-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
}

.header-content {
    display: flex;
    align-items: center;
    gap: 24px;
    height: 68px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.01em;
}

.logo img {
    width: 36px;
    height: 36px;
    border-radius: 10px;
}

.nav-links {
    display: flex;
    gap: 4px;
    list-style: none;
    margin-left: auto;
}

.nav-links a {
    display: block;
    padding: 8px 14px;
    border-radius: 999px;
    color: var(--text-2);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: background 0.2s, color 0.2s;
}

.nav-links a:hover { background: var(--surface-2); color: var(--text); }

/* ───── Buttons & chips ───── */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 26px;
    border-radius: 999px;
    background: var(--primary);
    color: var(--on-primary);
    font: 700 1rem var(--font);
    text-decoration: none;
    border: 0;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s, filter 0.2s;
    box-shadow: 0 8px 24px color-mix(in srgb, var(--primary) 30%, transparent);
}

.btn:hover { transform: translateY(-2px); filter: brightness(1.05); }
.btn .material-symbols-rounded { font-size: 22px; }

.btn-sm { padding: 9px 18px; font-size: 0.9rem; box-shadow: none; }
.btn-sm .material-symbols-rounded { font-size: 18px; }

.chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    list-style: none;
}

.chips li {
    padding: 8px 18px;
    border-radius: 999px;
    background: var(--surface);
    border: 1px solid var(--border);
    font-weight: 500;
    font-size: 0.95rem;
}

/* ───── Type ───── */

h1, h2, h3 { line-height: 1.08; letter-spacing: -0.025em; }

.hl { color: var(--accent); }

.section-title {
    font-size: clamp(2rem, 4.5vw, 3.25rem);
    font-weight: 900;
    text-align: center;
    margin-bottom: 16px;
}

.section-sub {
    text-align: center;
    color: var(--text-2);
    font-size: 1.1rem;
    max-width: 560px;
    margin: 0 auto 56px;
}

section { padding: 96px 0; }

/* ───── Phone mockup (matches store-listing/Devices.kt) ───── */

.phone {
    width: 270px;
    padding: 9px;
    border-radius: 44px;
    background: linear-gradient(180deg, #2B2E36, #121418);
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.06) inset,
        0 40px 80px -20px rgba(0, 0, 0, 0.55);
    flex-shrink: 0;
}

.phone img {
    width: 100%;
    height: auto;
    aspect-ratio: 1 / 2;
    object-fit: cover;
    object-position: top;
    border-radius: 36px;
    background: #101114;
}

/* ───── Hero ───── */

.hero { padding: 72px 0 24px; }

.hero-content {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    align-items: center;
    gap: 40px;
}

.hero h1 {
    font-size: clamp(2.8rem, 7vw, 5.2rem);
    font-weight: 900;
    margin-bottom: 24px;
}

.hero .eyebrow {
    display: block;
    width: fit-content;
    margin-bottom: 20px;
    padding: 6px 14px;
    border-radius: 999px;
    background: var(--primary-container);
    color: var(--on-primary-container);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.hero .lead {
    font-size: clamp(1.05rem, 1.6vw, 1.3rem);
    color: var(--text-2);
    max-width: 540px;
    margin-bottom: 28px;
}

.hero .chips { margin-bottom: 36px; }

.hero-cta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 28px;
}

.stats {
    display: flex;
    gap: 28px;
    list-style: none;
}

.stats strong {
    display: block;
    font-size: 1.5rem;
    font-weight: 900;
    line-height: 1.1;
}

.stats span { color: var(--text-2); font-size: 0.85rem; }

.hero-phones {
    position: relative;
    height: 600px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-phones::before {
    content: '';
    position: absolute;
    inset: 10% 5%;
    background: radial-gradient(circle, color-mix(in srgb, var(--glow) 35%, transparent), transparent 65%);
    filter: blur(40px);
    z-index: -1;
}

.hero-phones .phone { position: absolute; }
.hero-phones .p-center { z-index: 2; }
.hero-phones .p-left { transform: translateX(-62%) rotate(-9deg) scale(0.86); opacity: 0.95; }
.hero-phones .p-right { transform: translateX(62%) rotate(8deg) scale(0.86); opacity: 0.95; }

/* ───── Feature showcase rows ───── */

.showcase {
    display: grid;
    gap: 40px;
}

.row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 48px;
    padding: 56px;
    border-radius: 36px;
    background: var(--surface);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
    isolation: isolate;
}

/* per-row glow + highlight color, one Play listing palette each */
.row::before {
    content: '';
    position: absolute;
    width: 520px;
    height: 520px;
    right: -120px;
    top: 50%;
    translate: 0 -50%;
    background: radial-gradient(circle, color-mix(in srgb, var(--row-glow) 32%, transparent), transparent 65%);
    z-index: -1;
}

.row:nth-child(even) .row-media { order: -1; }
.row:nth-child(even)::before { right: auto; left: -120px; }

.row.forest { --accent: var(--accent-green); --row-glow: #22C55E; }
.row.ocean { --accent: var(--accent-cyan); --row-glow: #0EA5E9; }
.row.sunset { --accent: var(--accent-amber); --row-glow: #F97316; }
.row.indigo { --accent: var(--accent-indigo); --row-glow: #6366F1; }
.row.gold { --accent: var(--accent-yellow); --row-glow: #EAB308; }

.row h3 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    margin-bottom: 16px;
}

.row p {
    color: var(--text-2);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.row ul {
    list-style: none;
    display: grid;
    gap: 10px;
}

.row li {
    display: flex;
    gap: 10px;
    align-items: baseline;
}

.row li::before {
    content: '';
    width: 10px;
    height: 10px;
    border-radius: 3px;
    background: var(--accent);
    flex-shrink: 0;
    translate: 0 -1px;
}

.row-media {
    display: flex;
    justify-content: center;
}

/* ───── Feature grid ───── */

.features {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 16px;
}

.feature-card {
    position: relative;
    padding: 28px;
    border-radius: var(--radius);
    background: var(--surface);
    border: 1px solid var(--border);
    transition: background 0.2s, transform 0.2s;
}

.feature-card:hover { background: var(--surface-2); transform: translateY(-3px); }

.feature-icon {
    display: grid;
    place-items: center;
    width: 52px;
    height: 52px;
    border-radius: 16px;
    background: var(--primary-container);
    color: var(--on-primary-container);
    margin-bottom: 18px;
}

.feature-icon .material-symbols-rounded { font-size: 28px; }

.feature-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 6px; letter-spacing: -0.01em; }
.feature-card p { color: var(--text-2); font-size: 0.95rem; }

.badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    border: 1px solid var(--border);
    color: var(--text-2);
}

/* ───── FAQ ───── */

.faq-list {
    max-width: 780px;
    margin: 0 auto;
    display: grid;
    gap: 10px;
}

.faq-list details {
    border-radius: 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    transition: background 0.2s;
}

.faq-list details[open] { background: var(--surface-2); }

.faq-list summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    font-weight: 700;
    font-size: 1.05rem;
    cursor: pointer;
    list-style: none;
}

.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary .material-symbols-rounded { transition: rotate 0.2s; color: var(--text-2); }
.faq-list details[open] summary .material-symbols-rounded { rotate: 180deg; }

.faq-list details p {
    padding: 0 24px 22px;
    color: var(--text-2);
}

/* ───── CTA + footer ───── */

.cta {
    text-align: center;
    margin: 0 auto;
    padding: 72px 24px;
    border-radius: 36px;
    background:
        radial-gradient(600px 300px at 50% 0%, color-mix(in srgb, var(--glow) 30%, transparent), transparent 70%),
        var(--surface);
    border: 1px solid var(--border);
}

.cta p { color: var(--text-2); font-size: 1.1rem; margin-bottom: 28px; }

footer {
    padding: 48px 0;
    border-top: 1px solid var(--border);
    color: var(--text-2);
    font-size: 0.9rem;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

footer a { color: var(--text-2); text-decoration: none; }
footer a:hover { color: var(--text); }
.footer-links { display: flex; gap: 20px; }

/* ───── Sub pages (privacy, release history) ───── */

.page-header { padding: 72px 0 40px; text-align: center; }
.page-header h1 { font-size: clamp(2.4rem, 6vw, 4rem); font-weight: 900; margin-bottom: 14px; }
.page-header p { color: var(--text-2); font-size: 1.1rem; max-width: 620px; margin: 0 auto; }

.prose {
    max-width: 760px;
    margin: 0 auto 96px;
    padding: 40px;
    border-radius: var(--radius);
    background: var(--surface);
    border: 1px solid var(--border);
}

.prose h2 { font-size: 1.35rem; margin: 32px 0 10px; }
.prose p, .prose li { color: var(--text-2); margin-bottom: 12px; }
.prose ul { padding-left: 22px; margin-bottom: 12px; }

.releases-container {
    max-width: 760px;
    margin: 0 auto 72px;
    display: grid;
    gap: 16px;
}

.release-card {
    padding: 28px 32px;
    border-radius: var(--radius);
    background: var(--surface);
    border: 1px solid var(--border);
}

.release-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.release-version { font-size: 1.6rem; font-weight: 900; color: var(--accent); }
.release-date { color: var(--text-2); font-size: 0.9rem; }
.release-notes h3 { font-size: 1rem; margin: 16px 0 6px; }
.release-notes ul { padding-left: 22px; color: var(--text-2); }
.release-notes li { margin-bottom: 4px; }

#latestReleaseDownloadBtnDiv .btn, .cta .btn { margin-top: 8px; }
.btn small { display: block; font-weight: 500; font-size: 0.75rem; opacity: 0.8; }

/* ───── Responsive ───── */

@media (max-width: 960px) {
    .hero-content { grid-template-columns: 1fr; text-align: center; }
    .hero .lead, .hero .eyebrow { margin-inline: auto; }
    .hero .chips, .hero-cta, .stats { justify-content: center; }
    .hero-phones { height: 560px; }

    .row { grid-template-columns: 1fr; padding: 40px 28px; gap: 36px; text-align: center; }
    .row:nth-child(even) .row-media { order: 0; }
    .row ul { justify-content: center; text-align: left; }
    .row::before { right: 50%; translate: 50% 0; top: auto; bottom: -160px; }
    .row:nth-child(even)::before { left: auto; right: 50%; }
}

@media (max-width: 600px) {
    .container { padding: 0 16px; }
    section { padding: 64px 0; }
    .hero { padding: 40px 0 0; }
    .header-content { gap: 12px; }
    .nav-links a { padding: 8px 10px; }
    .header-content .btn-sm { display: none; }
    .hero-phones { height: 500px; }
    .hero-phones .p-left, .hero-phones .p-right { display: none; }
    /* ponytail: hero already shows the home screen on phones, skip the repeat */
    .row.forest .row-media { display: none; }
    .phone { width: 240px; }
    .stats { gap: 20px; }
    .row { padding: 32px 20px; border-radius: 28px; }
    .prose { padding: 24px 20px; }
    .release-card { padding: 22px 20px; }
    .footer-content { justify-content: center; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    * { transition: none !important; }
}