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

:root {
    --accent: #007AFF;
    --accent-dark: #0056CC;
    --bg: #ffffff;
    --bg-alt: #F5F5F7;
    --text: #1d1d1f;
    --text-secondary: #6e6e73;
    --border: #d2d2d7;
    --radius: 12px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* ── Nav ─────────────────────────────────────────────────── */

nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 40px;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(12px);
    z-index: 100;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 18px;
    color: var(--text);
    text-decoration: none;
}

.nav-brand img {
    width: 32px;
    height: 32px;
    border-radius: 7px;
}

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

.nav-links a {
    color: var(--text-secondary);
    font-size: 15px;
}

.nav-links a:hover {
    color: var(--text);
    text-decoration: none;
}

/* ── Hero ────────────────────────────────────────────────── */

.hero {
    text-align: center;
    padding: 80px 24px 60px;
    max-width: 720px;
    margin: 0 auto;
}

.hero-icon {
    width: 120px;
    height: 120px;
    border-radius: 27px;
    margin-bottom: 28px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.12);
}

.hero h1 {
    font-size: clamp(36px, 6vw, 56px);
    font-weight: 700;
    letter-spacing: -1px;
    line-height: 1.1;
    margin-bottom: 16px;
}

.hero p {
    font-size: 19px;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto 36px;
}

.cta-buttons {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    border-radius: 14px;
    font-size: 16px;
    font-weight: 600;
    transition: transform 0.15s, box-shadow 0.15s;
    text-decoration: none;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    text-decoration: none;
}

.btn-primary {
    background: #000;
    color: #fff;
}

.btn-secondary {
    background: var(--bg-alt);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-coming-soon {
    background: var(--bg-alt);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    cursor: default;
    opacity: 0.7;
}

.btn-coming-soon:hover {
    transform: none;
    box-shadow: none;
}

.btn svg {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
}

.btn-label {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.btn-label span:first-child {
    font-size: 11px;
    font-weight: 400;
    opacity: 0.8;
    line-height: 1;
}

.btn-label span:last-child {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.2;
}

/* ── Screenshots ─────────────────────────────────────────── */

.screenshots {
    background: var(--bg-alt);
    padding: 60px 24px;
    overflow: hidden;
}

.screenshots-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 32px;
}

.tab-btn {
    padding: 8px 24px;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--text-secondary);
    font-size: 15px;
    font-family: inherit;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
}

.tab-btn.active {
    background: var(--text);
    color: #fff;
    border-color: var(--text);
}

.screenshots-inner {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    max-width: 1100px;
    margin: 0 auto;
}

.screenshot-frame {
    flex: 0 0 auto;
    width: 200px;
}

.screenshot-frame img {
    width: 100%;
    border-radius: 24px;
    box-shadow: 0 16px 48px rgba(0,0,0,0.18);
    display: block;
}

/* ── Features ────────────────────────────────────────────── */

.features {
    padding: 80px 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 34px;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 12px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 17px;
    margin-bottom: 56px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
}

.feature-card {
    background: var(--bg-alt);
    border-radius: var(--radius);
    padding: 0;
    overflow: hidden;
}

.feature-card-img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    display: block;
}

.feature-card-body {
    padding: 24px 28px 28px;
}

.feature-icon {
    font-size: 32px;
    margin-bottom: 14px;
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.55;
}

/* ── Pricing ─────────────────────────────────────────────── */

.pricing {
    background: var(--bg-alt);
    padding: 80px 24px;
}

.pricing-inner {
    max-width: 760px;
    margin: 0 auto;
}

.pricing-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 48px;
}

.pricing-card {
    background: var(--bg);
    border-radius: 18px;
    padding: 32px;
    border: 1px solid var(--border);
}

.pricing-card.featured {
    background: var(--text);
    color: #fff;
    border-color: var(--text);
}

.pricing-card .plan-name {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.6;
    margin-bottom: 8px;
}

.pricing-card .plan-price {
    font-size: 36px;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 4px;
}

.pricing-card .plan-desc {
    font-size: 14px;
    opacity: 0.6;
    margin-bottom: 24px;
}

.pricing-card ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.pricing-card li {
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.pricing-card li::before {
    content: "✓";
    font-weight: 700;
    color: var(--accent);
    flex-shrink: 0;
}

.pricing-card.featured li::before {
    color: #34C759;
}

/* ── Footer ──────────────────────────────────────────────── */

footer {
    padding: 40px 24px;
    text-align: center;
    border-top: 1px solid var(--border);
}

.footer-links {
    display: flex;
    gap: 24px;
    justify-content: center;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 14px;
}

footer p {
    color: var(--text-secondary);
    font-size: 13px;
}

/* ── Responsive ──────────────────────────────────────────── */

@media (max-width: 600px) {
    nav { padding: 14px 20px; }
    .nav-links { display: none; }
    .pricing-cards { grid-template-columns: 1fr; }
    .screenshot-frame { width: 160px; }
    .hero { padding: 56px 20px 40px; }
}