:root {
    --bg: #f2f2f7;
    --card: #ffffff;
    --text: #1c1c1e;
    --secondary: #6e6e73;
    --border: #e5e5ea;
    --warm: #ff9500;
    --main: #34c759;
    --cool: #5ac8fa;
    --primary: #1b365d;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0f1420;
        --card: #1c2030;
        --text: #ffffff;
        --secondary: #8e9bb5;
        --border: #2c3450;
        --primary: #93b4e8;
    }
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.55;
    padding: 32px 16px 64px;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 720px;
    margin: 0 auto;
}

h1 {
    font-size: 44px;
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.02em;
    margin: 0 0 8px;
}

h1 .word { display: block; }
h1 .word.warm { color: var(--warm); }
h1 .word.main { color: var(--main); }
h1 .word.cool { color: var(--cool); }

.subtitle {
    color: var(--secondary);
    font-size: 18px;
    margin: 4px 0 28px;
    font-weight: 500;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 20px 24px;
    margin-bottom: 14px;
}

.card h2 {
    margin: 0 0 12px;
    font-size: 20px;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.card p { margin: 0 0 12px; }
.card p:last-child { margin-bottom: 0; }
.card ul { margin: 0 0 12px; padding-left: 20px; }
.card li { margin-bottom: 4px; }

.card a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}
.card a:hover { text-decoration: underline; }

details { margin-bottom: 4px; }
details + details { border-top: 1px solid var(--border); padding-top: 4px; }
summary {
    cursor: pointer;
    font-weight: 500;
    padding: 10px 0;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 10px;
}
summary::-webkit-details-marker { display: none; }
summary::before {
    content: "›";
    display: inline-block;
    color: var(--secondary);
    font-weight: 400;
    transition: transform 0.2s ease;
    width: 12px;
    text-align: center;
}
details[open] summary::before {
    transform: rotate(90deg);
}
.answer {
    padding: 4px 0 14px 22px;
    color: var(--secondary);
}

footer {
    text-align: center;
    color: var(--secondary);
    font-size: 14px;
    margin-top: 36px;
}
footer a {
    color: var(--secondary);
    text-decoration: none;
    border-bottom: 1px solid var(--border);
    padding-bottom: 1px;
}
footer a:hover { color: var(--text); }

@media (max-width: 480px) {
    h1 { font-size: 36px; }
    body { padding: 24px 14px 48px; }
    .card { padding: 18px 18px; }
}

/* ============ Marketing page additions ============ */

.container.wide {
    max-width: 920px;
}

.hero {
    padding: 24px 0 40px;
}

.hero h1 {
    font-size: 64px;
    letter-spacing: -0.025em;
}

.hero .lede {
    font-size: 22px;
    line-height: 1.45;
    margin: 18px 0 28px;
    color: var(--text);
    max-width: 32ch;
    font-weight: 500;
}

.cta-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 18px;
    border-radius: 999px;
    background: var(--card);
    border: 1px solid var(--border);
    color: var(--secondary);
    font-size: 14px;
    font-weight: 500;
}

.cta-badge::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--main);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--main) 25%, transparent);
}

.app-store-badge {
    margin-top: 20px;
    display: inline-block;
}

.app-store-badge a {
    display: inline-block;
    transition: transform 0.2s ease;
}

.app-store-badge a:hover {
    transform: translateY(-2px);
}

.section {
    padding: 28px 0;
}

.section h2 {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.015em;
    margin: 0 0 12px;
}

.section .lede {
    font-size: 17px;
    color: var(--secondary);
    margin: 0 0 24px;
    max-width: 60ch;
}

.section p {
    font-size: 16px;
    line-height: 1.6;
    margin: 0 0 14px;
}

.section ul {
    padding-left: 18px;
}

.section ul li {
    margin-bottom: 6px;
    line-height: 1.55;
}

.section .accent-warm  { color: var(--warm); }
.section .accent-main  { color: var(--main); }
.section .accent-cool  { color: var(--cool); }

/* Two-column "why" layout */
.cols-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}
.cols-2 .card { margin-bottom: 0; }

/* Feature grid */
.feature-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.feature {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 20px 22px;
}

.feature h3 {
    margin: 0 0 6px;
    font-size: 17px;
    font-weight: 600;
}

.feature p {
    margin: 0;
    color: var(--secondary);
    font-size: 15px;
    line-height: 1.5;
}

/* How it works steps */
.steps {
    list-style: none;
    counter-reset: step;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 14px;
}

.steps li {
    counter-increment: step;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 22px 22px 24px;
    position: relative;
}

.steps li::before {
    content: counter(step);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--card);
    font-weight: 700;
    font-size: 16px;
    margin-bottom: 12px;
}

.steps li:nth-child(1)::before { background: var(--warm); color: white; }
.steps li:nth-child(2)::before { background: var(--main); color: white; }
.steps li:nth-child(3)::before { background: var(--cool); color: white; }

.steps h3 {
    margin: 0 0 6px;
    font-size: 17px;
    font-weight: 600;
}

.steps p {
    margin: 0;
    color: var(--secondary);
    font-size: 15px;
    line-height: 1.5;
}

/* Screenshot placeholders */
.screenshots {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-top: 8px;
}

.screenshot {
    aspect-ratio: 9 / 19.5;
    border-radius: 20px;
    background: var(--card);
    border: 1px solid var(--border);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    text-decoration: none;
}

.screenshot:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}

.screenshot picture {
    display: flex;
    flex: 1;
}

.screenshot img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    flex: 1;
}

.screenshot figcaption {
    padding: 8px 10px;
    font-size: 12px;
    color: var(--secondary);
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    background: var(--card);
    border-top: 1px solid var(--border);
}

.screenshot.warm    { border-color: color-mix(in srgb, var(--warm) 35%, var(--border)); }
.screenshot.main    { border-color: color-mix(in srgb, var(--main) 35%, var(--border)); }
.screenshot.cool    { border-color: color-mix(in srgb, var(--cool) 35%, var(--border)); }
.screenshot.primary { border-color: color-mix(in srgb, var(--primary) 35%, var(--border)); }

/* Callout */
.callout {
    background: linear-gradient(135deg, color-mix(in srgb, var(--main) 14%, var(--card)), var(--card));
    border: 1px solid color-mix(in srgb, var(--main) 25%, var(--border));
    border-radius: 16px;
    padding: 28px 32px;
}

.callout h2 { margin-top: 0; }

.callout-eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--main);
    font-size: 12px;
    font-weight: 700;
    margin: 0 0 4px;
}

/* Section divider */
.divider {
    height: 1px;
    background: var(--border);
    margin: 8px 0;
    border: none;
}

@media (max-width: 920px) {
    .screenshots { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 720px) {
    .hero h1 { font-size: 48px; }
    .hero .lede { font-size: 19px; }
    .section h2 { font-size: 24px; }
    .cols-2,
    .feature-grid { grid-template-columns: 1fr; }
    .steps { grid-template-columns: 1fr; }
    .screenshots { grid-template-columns: repeat(2, 1fr); }
    .screenshot { aspect-ratio: 9 / 16; }
}

@media (max-width: 480px) {
    .screenshots { grid-template-columns: 1fr; }
}