:root {
    --primary: #5b5fc7;
    --accent: #00c9a7;
    --text: #1a1d2e;
    --muted: #6b7280;
    --border: #e8eaef;
    --bg: #f4f5f9;
    --surface: #ffffff;
    --dark: #13141f;
}

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

body {
    font-family: "Plus Jakarta Sans", "Segoe UI", system-ui, sans-serif;
    color: var(--text);
    background: var(--surface);
    -webkit-font-smoothing: antialiased;
    line-height: 1.5;
}

a { text-decoration: none; color: inherit; }

.skip-link {
    position: absolute;
    left: 12px;
    top: -48px;
    z-index: 10000;
    padding: 10px 14px;
    border-radius: 10px;
    background: var(--primary);
    color: #fff;
    font-weight: 700;
    font-size: 14px;
}
.skip-link:focus { top: 12px; }
.sr-only {
    position: absolute !important;
    width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

/* ── Nav ── */
.home-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 16px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.home-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 17px;
    letter-spacing: -0.02em;
}

.home-brand-mark {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    display: grid;
    place-items: center;
    font-size: 12px;
    font-weight: 800;
}

.home-nav-links { display: flex; align-items: center; gap: 28px; }
.home-nav-links a { font-size: 14px; font-weight: 500; color: var(--muted); transition: 0.2s; }
.home-nav-links a:hover { color: var(--text); }

.home-nav-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }

#pwaNavInstall,
#pwaHeroInstall {
    white-space: nowrap;
}

@media (max-width: 640px) {
    #pwaNavInstall {
        padding: 11px 12px;
        font-size: 13px;
    }
}

.btn {
    border: 0;
    border-radius: 12px;
    padding: 11px 20px;
    font-weight: 600;
    font-size: 14px;
    font-family: inherit;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: 0.2s;
}

.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { background: var(--bg); }

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #6c70d4);
    color: white;
    box-shadow: 0 4px 14px rgba(91, 95, 199, 0.35);
}

.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(91, 95, 199, 0.45); }

.btn-lg { padding: 14px 28px; font-size: 15px; border-radius: 14px; }

/* ── Hero ── */
.hero {
    padding: 140px 32px 80px;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #eef0ff;
    color: var(--primary);
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero h1 span {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 18px;
    color: var(--muted);
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto 36px;
}

.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ── Features ── */
.features {
    padding: 80px 32px;
    background: var(--bg);
}

.features-header {
    text-align: center;
    max-width: 560px;
    margin: 0 auto 48px;
}

.features-header h2 {
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 12px;
}

.features-header p { color: var(--muted); font-size: 16px; }

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 1100px;
    margin: 0 auto;
}

.feature-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 28px;
    transition: 0.2s;
}

.feature-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(19, 20, 31, 0.08);
    border-color: var(--primary);
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: #eef0ff;
    color: var(--primary);
    display: grid;
    place-items: center;
    margin-bottom: 18px;
    font-size: 22px;
}

.feature-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; letter-spacing: -0.02em; }
.feature-card p { color: var(--muted); font-size: 14px; line-height: 1.65; }

/* ── Types ── */
.types {
    padding: 80px 32px;
    max-width: 1100px;
    margin: 0 auto;
}

.types h2 {
    font-size: 32px;
    font-weight: 800;
    text-align: center;
    letter-spacing: -0.03em;
    margin-bottom: 40px;
}

.types-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}

.type-pill {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 16px;
    text-align: center;
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    transition: 0.2s;
}

.type-pill:hover { background: #eef0ff; border-color: var(--primary); color: var(--primary); }

/* ── Pricing ── */
.pricing {
    padding: 80px 32px;
    background: var(--bg);
}

.pricing-toggle {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 36px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 22px;
    padding: 28px 24px;
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: 0 16px 48px rgba(91, 95, 199, 0.15);
    transform: translateY(-4px);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    font-size: 11px;
    font-weight: 700;
    padding: 5px 12px;
    border-radius: 999px;
    white-space: nowrap;
}

.pricing-card h3 {
    font-size: 18px;
    font-weight: 800;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.pricing-price {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 18px;
    letter-spacing: -0.03em;
}

.pricing-features {
    list-style: none;
    margin: 0 0 24px;
    padding: 0;
    flex: 1;
}

.pricing-features li {
    font-size: 13px;
    color: var(--muted);
    padding: 7px 0;
    border-bottom: 1px solid var(--border);
    line-height: 1.5;
}

.pricing-features li:last-child { border-bottom: 0; }

.full-btn { width: 100%; justify-content: center; }

/* ── Contact ── */
.contact-page {
    padding: 120px 32px 80px;
    max-width: 1100px;
    margin: 0 auto;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.contact-copy h1 {
    font-size: clamp(32px, 4vw, 44px);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin: 16px 0;
}

.contact-copy p {
    color: var(--muted);
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 24px;
}

.contact-benefits {
    list-style: none;
    padding: 0;
}

.contact-benefits li {
    padding: 10px 0 10px 28px;
    position: relative;
    font-size: 14px;
    color: var(--text);
}

.contact-benefits li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 800;
}

.contact-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 22px;
    padding: 28px;
    box-shadow: 0 12px 40px rgba(19, 20, 31, 0.06);
}

.contact-card .form-group {
    margin-bottom: 16px;
}

.contact-card label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
}

.contact-card input,
.contact-card select,
.contact-card textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 12px;
    font: inherit;
    background: #fff;
}

.contact-card textarea { resize: vertical; min-height: 120px; }

.alert-success,
.alert-error {
    padding: 16px 18px;
    border-radius: 12px;
    font-size: 14px;
    margin-bottom: 16px;
}

.alert-success { background: #e6faf5; color: #065f46; }
.alert-error { background: #fee2e2; color: #991b1b; }

/* ── CTA ── */
.cta {
    margin: 0 32px 80px;
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
    background: linear-gradient(160deg, var(--dark), #2a2b4a);
    border-radius: 28px;
    padding: 64px 48px;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: "";
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(91, 95, 199, 0.3), transparent 70%);
    top: -200px;
    right: -100px;
}

.cta h2 {
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 12px;
    position: relative;
}

.cta p {
    color: rgba(255, 255, 255, 0.65);
    font-size: 16px;
    margin-bottom: 28px;
    position: relative;
}

.cta .btn-primary { position: relative; }

/* ── Footer ── */
.home-footer {
    padding: 32px;
    text-align: center;
    color: var(--muted);
    font-size: 13px;
    border-top: 1px solid var(--border);
}

@media (max-width: 900px) {
    .features-grid { grid-template-columns: 1fr; }
    .types-grid { grid-template-columns: repeat(2, 1fr); }
    .pricing-grid { grid-template-columns: 1fr 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .home-nav-links { display: none; }
}

@media (max-width: 640px) {
    .hero { padding: 120px 20px 60px; }
    .hero p { font-size: 16px; }
    .types-grid { grid-template-columns: 1fr 1fr; }
    .pricing-grid { grid-template-columns: 1fr; }
    .pricing-card.featured { transform: none; }
    .cta { margin: 0 16px 60px; padding: 40px 24px; }
}