/* Same design language as the extension (extension/src/theme.css): system font, light and dark. */
:root {
    color-scheme: light dark;
    --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

    --page-bg: #fbfbfd;
    --page-tint: linear-gradient(160deg, #e9ecff 0%, #f6f1ff 45%, #fbfbfd 75%);
    --surface: #ffffff;
    --surface-raised: rgba(0, 0, 0, 0.035);
    --text: #1d1d1f;
    --text-2: rgba(0, 0, 0, 0.62);
    --text-3: rgba(0, 0, 0, 0.45);
    --border: rgba(0, 0, 0, 0.1);
    --accent: #0071e3;
    --accent-hover: #0077ed;
    --on-accent: #ffffff;
    --link: #0066cc;
    --shadow: 0 30px 60px rgba(30, 30, 80, 0.16), 0 0 0 1px rgba(0, 0, 0, 0.06);
    --radius: 18px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --page-bg: #000000;
        --page-tint: linear-gradient(160deg, #10142b 0%, #170f24 45%, #000000 75%);
        --surface: #1c1c1e;
        --surface-raised: rgba(255, 255, 255, 0.06);
        --text: #f5f5f7;
        --text-2: rgba(255, 255, 255, 0.66);
        --text-3: rgba(255, 255, 255, 0.45);
        --border: rgba(255, 255, 255, 0.12);
        --accent: #0a84ff;
        --accent-hover: #409cff;
        --link: #2997ff;
        --shadow: 0 30px 60px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.08);
    }
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--page-tint) no-repeat, var(--page-bg);
    background-size: 100% 900px, auto;
    color: var(--text);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

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

kbd, code {
    font-family: var(--font-mono);
    font-size: 0.85em;
    background: var(--surface-raised);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.05em 0.4em;
    white-space: nowrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: 980px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: background 0.2s, transform 0.2s;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost { color: var(--text); border: 1px solid var(--border); background: var(--surface-raised); }

/* Navigation */
.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 16px;
    max-width: 1140px;
    margin: 0 auto;
}
.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text);
}
.logo:hover { text-decoration: none; }
.logo img { border-radius: 7px; }
.nav-links { display: flex; align-items: center; gap: 1.75rem; }
.nav-links a { color: var(--text-2); font-weight: 500; font-size: 0.95rem; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-links .btn { padding: 0.45rem 1rem; font-size: 0.9rem; color: var(--text); }

/* Hero */
.hero {
    max-width: 1140px;
    margin: 0 auto;
    padding: 4rem 16px 2rem;
    text-align: center;
}
.pill {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 980px;
    padding: 0.4rem 1rem;
    margin-bottom: 1.75rem;
}
h1 {
    font-size: clamp(2.4rem, 6vw, 4.25rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 1.25rem;
}
.lede {
    font-size: clamp(1.05rem, 2vw, 1.3rem);
    color: var(--text-2);
    max-width: 680px;
    margin: 0 auto 2rem;
}
.cta { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.75rem; }
.meta { margin-top: 1.25rem; font-size: 0.85rem; color: var(--text-3); }

/* Screenshots */
.shot {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    background: var(--surface);
}
.shot-hero { margin: 3.5rem auto 0; max-width: 1000px; }

/* Feature rows */
.features { max-width: 1140px; margin: 0 auto; padding: 4rem 16px; display: grid; gap: 6rem; }
.feature {
    display: grid;
    grid-template-columns: 5fr 7fr;
    gap: 3.5rem;
    align-items: center;
}
.feature.reverse .feature-text { order: 2; }
.eyebrow {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.6rem;
}
.feature h2, .privacy h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}
.feature-text > p, .privacy-text > p { color: var(--text-2); font-size: 1.05rem; margin-bottom: 1rem; }
.checks { list-style: none; display: grid; gap: 0.55rem; }
.checks li { position: relative; padding-left: 1.6rem; color: var(--text-2); }
.checks li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }

/* Card grid */
.grid-section, .shortcuts { max-width: 1140px; margin: 0 auto; padding: 4rem 16px; }
.section-title {
    text-align: center;
    font-size: clamp(1.7rem, 3.5vw, 2.4rem);
    letter-spacing: -0.02em;
    margin-bottom: 2.5rem;
}
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.25rem; }
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.75rem;
}
.card-icon { font-size: 1.6rem; margin-bottom: 0.75rem; }
.card h3 { font-size: 1.1rem; margin-bottom: 0.4rem; }
.card p { color: var(--text-2); font-size: 0.95rem; }

/* Privacy */
.privacy {
    max-width: 1140px;
    margin: 2rem auto;
    padding: 3rem;
    display: grid;
    grid-template-columns: 5fr 7fr;
    gap: 3rem;
    align-items: center;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 28px;
}

/* Bring your own key */
.byok { max-width: 1140px; margin: 0 auto; padding: 4rem 16px; }
.byok .section-title { margin-bottom: 1rem; }
.eyebrow.center { text-align: center; }
.section-lede { max-width: 720px; margin: 0 auto 2.5rem; text-align: center; color: var(--text-2); font-size: 1.05rem; }
.steps { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.25rem; margin-bottom: 2rem; }
.steps li { display: flex; gap: 1rem; align-items: flex-start; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; }
.step-num { flex: none; width: 2rem; height: 2rem; border-radius: 50%; display: grid; place-items: center; background: var(--accent); color: var(--on-accent); font-weight: 700; }
.steps h3 { font-size: 1.05rem; margin-bottom: 0.3rem; }
.steps p { color: var(--text-2); font-size: 0.95rem; }
.providers thead th { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-3); width: auto; }
.byok-notes { max-width: 820px; margin: 2rem auto 0; }

/* Shortcuts table */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 0.9rem 1.25rem; border-bottom: 1px solid var(--border); vertical-align: top; }
tr:last-child th, tr:last-child td { border-bottom: none; }
th { font-weight: 600; white-space: nowrap; width: 1%; }
td { color: var(--text-2); }
.note { text-align: center; color: var(--text-3); font-size: 0.9rem; margin-top: 1rem; }

/* Closing */
.closing { text-align: center; padding: 4rem 16px 5rem; }
.closing h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); letter-spacing: -0.02em; margin-bottom: 1.5rem; }

/* FAQ Section */
.faq-section {
    max-width: 880px;
    margin: 0 auto;
    padding: 4rem 16px;
}
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}
.faq-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.faq-item[open] {
    border-color: var(--accent);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}
.faq-question {
    font-weight: 600;
    font-size: 1.08rem;
    color: var(--text);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
}
.faq-question::-webkit-details-marker {
    display: none;
}
.faq-question::after {
    content: '+';
    font-size: 1.4rem;
    font-weight: 400;
    color: var(--accent);
    line-height: 1;
    transition: transform 0.2s ease;
}
.faq-item[open] .faq-question::after {
    content: '−';
}
.faq-answer {
    margin-top: 1rem;
    color: var(--text-2);
    font-size: 0.98rem;
    line-height: 1.6;
}
.faq-answer p {
    margin-bottom: 0.75rem;
}
.faq-answer p:last-child {
    margin-bottom: 0;
}
.faq-answer ul {
    margin: 0.5rem 0 0.75rem 1.25rem;
}
.faq-answer li {
    margin-bottom: 0.35rem;
}

footer {
    border-top: 1px solid var(--border);
    padding: 2rem 16px;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-3);
}

/* Responsive */
@media (max-width: 860px) {
    .feature, .privacy { grid-template-columns: 1fr; gap: 1.75rem; }
    .feature.reverse .feature-text { order: 0; }
    .features { gap: 4rem; }
    .privacy { margin: 2rem 16px; padding: 1.75rem; }
    .nav-links a:not(.btn) { display: none; }
    th { white-space: normal; width: auto; }
    .shortcuts th, .shortcuts td { display: block; }
    .shortcuts th { border-bottom: none; padding-bottom: 0.2rem; }
    .providers { font-size: 0.85rem; }
    .providers th, .providers td { padding: 0.7rem 0.6rem; }
}