:root {
    --midnight: #0d1b2a;
    --midnight-2: #132743;
    --gold: #f4c542;
    --snow: #f7f9fc;
    --text: #0d1b2a;
    --muted: #6c7a89;
    --white: #ffffff;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --radius: 14px;
    --font: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font);
    color: var(--text);
    background: radial-gradient(200% 80% at 20% 20%, rgba(244, 197, 66, 0.08) 0%, rgba(13, 27, 42, 0) 45%),
        radial-gradient(160% 70% at 80% 10%, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0) 40%),
        var(--snow);
    line-height: 1.6;
    scroll-behavior: smooth;
}

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

a:hover,
a:focus-visible {
    color: var(--gold);
}

.container {
    width: min(1200px, 92vw);
    margin: 0 auto;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(19, 39, 67, 0.08);
}

.topbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
    gap: 16px;
}

.brand {
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--midnight);
}

.nav-links {
    display: flex;
    gap: 18px;
    align-items: center;
    font-size: 0.95rem;
}

.nav-links a {
    padding: 6px 10px;
    border-radius: 10px;
}

.nav-links a:focus-visible,
.btn:focus-visible,
.nav-cta:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 3px;
}

.nav-cta {
    padding: 10px 14px;
    background: var(--midnight);
    color: var(--white);
    border-radius: 999px;
    font-weight: 600;
    border: 1px solid transparent;
}

.nav-cta:hover {
    background: var(--midnight-2);
}

.hero {
    padding: 90px 0 70px;
}

.hero-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    align-items: center;
}

.hero-text h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin: 12px 0;
}

.trust {
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 700;
    color: var(--gold);
    font-size: 0.85rem;
    margin: 0;
}

.subtitle {
    color: var(--muted);
    margin: 0 0 24px;
}

.cta-group {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 18px;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 600;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.2s ease;
    cursor: pointer;
    text-decoration: none;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.cta-primary {
    background: linear-gradient(135deg, var(--midnight) 0%, #1f3657 100%);
    color: var(--white);
}

.cta-secondary {
    background: var(--white);
    border: 1px solid rgba(13, 27, 42, 0.15);
    color: var(--midnight);
}

.hero-visual {
    position: relative;
    min-height: 260px;
    display: grid;
    place-items: center;
}

.hero-visual .snow-layer {
    position: absolute;
    inset: 10%;
    border-radius: 24px;
    background: repeating-radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0.6) 2px, transparent 4px,
            transparent 16px),
        repeating-radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.45), rgba(255, 255, 255, 0.45) 2px, transparent 5px,
            transparent 18px),
        linear-gradient(145deg, rgba(255, 255, 255, 0.8), rgba(244, 197, 66, 0.12));
    z-index: 1;
    filter: drop-shadow(0 14px 40px rgba(19, 39, 67, 0.2));
}

.hero-visual .card {
    position: relative;
    z-index: 2;
    background: var(--white);
    padding: 18px 20px;
    border-radius: 18px;
    min-width: 200px;
    box-shadow: var(--shadow);
    color: var(--midnight);
    font-weight: 700;
    text-align: center;
}

.hero-visual .card span {
    display: block;
    font-weight: 500;
    color: var(--muted);
    margin-top: 6px;
}

.hero-visual .card.accent {
    background: linear-gradient(135deg, #fef6e8, #ffffff);
    border: 1px solid rgba(244, 197, 66, 0.4);
    margin-top: 18px;
}

.section {
    padding: 70px 0;
}

.section h2 {
    margin: 0 0 20px;
    font-size: clamp(1.6rem, 3vw, 2.3rem);
}

.section-intro {
    color: var(--muted);
    margin-bottom: 30px;
    max-width: 620px;
}

.muted {
    background: var(--white);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
}

.step {
    background: var(--white);
    border-radius: var(--radius);
    padding: 18px;
    box-shadow: var(--shadow);
}

.step-number {
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--midnight);
    color: var(--white);
    font-weight: 700;
    margin-bottom: 10px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
}

.feature-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(13, 27, 42, 0.06);
}

.tag {
    display: inline-block;
    background: rgba(244, 197, 66, 0.18);
    color: var(--midnight);
    padding: 4px 8px;
    border-radius: 10px;
    font-size: 0.8rem;
    margin-left: 8px;
}

.demo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: 10px;
    background: var(--white);
    padding: 20px;
    border-radius: 18px;
    box-shadow: var(--shadow);
}

.demo-card {
    background: linear-gradient(145deg, #e6ecf4, #f8fbff);
    border: 1px solid rgba(13, 27, 42, 0.08);
    border-radius: 12px;
    padding: 18px 12px;
    text-align: center;
    font-weight: 700;
    color: var(--midnight);
    position: relative;
}

.demo-card.highlight {
    background: linear-gradient(135deg, #fce7af, #fff9e8);
    border-color: rgba(244, 197, 66, 0.5);
}

.usecases {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 16px;
}

.usecase-card {
    background: var(--white);
    padding: 18px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid rgba(13, 27, 42, 0.06);
}

.pricing {
    display: grid;
    gap: 20px;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
}

.pricing-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 22px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(13, 27, 42, 0.08);
}

.pricing-card ul {
    padding-left: 20px;
    color: var(--muted);
}

.pricing-card.upcoming {
    opacity: 0.9;
}

.price {
    font-size: 2rem;
    margin: 8px 0 12px;
    color: var(--midnight);
}

.btn.disabled {
    background: #d3d9e3;
    color: #5f6b7c;
    cursor: not-allowed;
    box-shadow: none;
}

.faq {
    display: grid;
    gap: 12px;
}

.faq-item {
    background: var(--white);
    border-radius: 14px;
    border: 1px solid rgba(13, 27, 42, 0.08);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    text-align: left;
    padding: 16px 18px;
    background: transparent;
    border: none;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 1rem;
}

.faq-answer {
    display: none;
    padding: 0 18px 18px;
    color: var(--muted);
}

.faq-question[aria-expanded="true"] + .faq-answer {
    display: block;
}

.faq-question:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 2px;
}

.final-cta {
    background: linear-gradient(135deg, var(--midnight) 0%, #1c2f4e 100%);
    color: var(--white);
    text-align: center;
    padding: 60px 0;
}

.final-cta h2 {
    margin: 0 0 16px;
    font-size: clamp(1.8rem, 3vw, 2.4rem);
}

.footer {
    padding: 28px 0;
    background: #0b1524;
    color: #d9e2ef;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.footer-links {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.footer a {
    color: #d9e2ef;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .topbar .container {
        justify-content: space-between;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0s !important;
        transition-duration: 0.01ms !important;
    }
}