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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: #0a0a0a;
    color: #fff;
    min-height: 100vh;
    overflow-x: hidden;
}

.noise {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.03;
    z-index: 1000;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 24px 48px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    mix-blend-mode: difference;
}

.logo img {
    height: 42px;
    width: auto;
}

.social-links {
    display: flex;
    gap: 32px;
}

.social-links a {
    color: #fff;
    text-decoration: none;
    font-size: 12px;
    font-weight: 400;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    opacity: 0.6;
    transition: opacity 0.3s ease;
}

.social-links a:hover {
    opacity: 1;
}

main {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 48px;
    position: relative;
}

.hero {
    text-align: center;
    max-width: 800px;
}

.brand img {
    width: clamp(320px, 60vw, 700px);
    height: auto;
    opacity: 0;
    animation: fadeUp 1s ease forwards;
}

.tagline {
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: #666;
    margin-bottom: 80px;
    opacity: 0;
    animation: fadeUp 1s ease 0.2s forwards;
}

.cta-section {
    opacity: 0;
    animation: fadeUp 1s ease 0.4s forwards;
}

.cta-label {
    font-size: 11px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #444;
    margin-bottom: 16px;
}

.cta-email {
    font-size: 16px;
    font-weight: 400;
    color: #fff;
    text-decoration: none;
    padding: 16px 40px;
    border: 1px solid #222;
    transition: all 0.4s ease;
    display: inline-block;
}

.cta-email:hover {
    border-color: #444;
    background: #111;
}

.scroll-indicator {
    position: absolute;
    bottom: 48px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    opacity: 0;
    animation: fadeUp 1s ease 0.6s forwards;
}

.scroll-arrow {
    color: #333;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
        opacity: 0.5;
    }
    50% {
        transform: translateY(8px);
        opacity: 1;
    }
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scrollPulse {
    0%, 100% {
        opacity: 0.3;
        transform: scaleY(1);
    }
    50% {
        opacity: 0.6;
        transform: scaleY(1.2);
    }
}

section.about {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 48px;
}

.about-content {
    max-width: 560px;
}

.about-content h2 {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #444;
    margin-bottom: 32px;
}

.about-content p {
    font-size: 32px;
    font-weight: 300;
    line-height: 1.4;
    color: #888;
}

.about-content p strong {
    color: #fff;
    font-weight: 400;
}

.section-content {
    max-width: 1000px;
    margin: 0 auto;
}

.section-content h2 {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #444;
    margin-bottom: 64px;
}

section.how-it-works {
    min-height: 80vh;
    display: flex;
    align-items: center;
    padding: 120px 48px;
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
}

.step {
    border-left: 1px solid #222;
    padding-left: 32px;
}

.step-number {
    font-size: 11px;
    letter-spacing: 0.15em;
    color: #444;
    display: block;
    margin-bottom: 16px;
}

.step h3 {
    font-size: 20px;
    font-weight: 400;
    color: #fff;
    margin-bottom: 12px;
}

.step p {
    font-size: 14px;
    font-weight: 300;
    color: #666;
    line-height: 1.6;
}

section.platforms {
    min-height: auto;
    display: flex;
    align-items: center;
    padding: 80px 48px;
    background: #080808;
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 32px;
    align-items: center;
    justify-items: center;
}

.platform-grid img {
    width: 40px;
    height: 40px;
    opacity: 0.5;
    filter: grayscale(100%) brightness(2);
    transition: all 0.3s ease;
}

.platform-grid img:hover {
    opacity: 1;
    filter: none;
}

.platform-more {
    font-size: 14px;
    color: #444;
    letter-spacing: 0.1em;
}

section.faq {
    min-height: auto;
    display: flex;
    align-items: flex-start;
    padding: 120px 48px;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.faq-item {
    border-top: 1px solid #111;
    padding-top: 32px;
}

.faq-item h3 {
    font-size: 16px;
    font-weight: 400;
    color: #fff;
    margin-bottom: 12px;
}

.faq-item p {
    font-size: 14px;
    font-weight: 300;
    color: #666;
    line-height: 1.6;
}

.faq-item p a {
    color: #888;
    text-decoration: none;
    border-bottom: 1px solid #333;
    transition: color 0.3s ease, border-color 0.3s ease;
}

.faq-item p a:hover {
    color: #fff;
    border-color: #666;
}

footer {
    padding: 48px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid #111;
}

.footer-left {
    font-size: 11px;
    color: #333;
    letter-spacing: 0.05em;
}

.footer-right {
    display: flex;
    gap: 24px;
}

.footer-right a {
    font-size: 11px;
    color: #333;
    text-decoration: none;
    letter-spacing: 0.05em;
    transition: color 0.3s ease;
}

.footer-right a:hover {
    color: #fff;
}

@media (max-width: 768px) {
    nav {
        padding: 20px 24px;
    }

    .logo img {
        height: 22px;
    }

    .social-links {
        gap: 20px;
    }

    main {
        padding: 24px;
    }

    .brand img {
        width: clamp(160px, 50vw, 280px);
    }

    .tagline {
        font-size: 11px;
        letter-spacing: 0.2em;
    }

    section.about,
    section.how-it-works,
    section.platforms,
    section.faq {
        padding: 80px 24px;
    }

    .platform-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }

    .about-content p {
        font-size: 24px;
    }

    .steps {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .faq-list {
        gap: 32px;
    }

    footer {
        flex-direction: column;
        gap: 24px;
        padding: 32px 24px;
    }
}