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

:root {
    --black: #0a0a0a;
    --dark: #111111;
    --white: #ffffff;
    --grey: #777777;
    --light-grey: #f4f4f2;
    --border: #deded9;
    --accent: #c8ff00;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    color: var(--black);
    background: var(--white);
    line-height: 1.6;
}

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


/* NAVIGATION */

.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255,255,255,0.95);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(10px);
}

.nav-container {
    max-width: 1200px;
    margin: auto;
    padding: 20px 30px;

    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo img {
    height: 40px;
    width: auto;
    display: block;
}

.logo {
    font-size: 26px;
    font-weight: 900;
    letter-spacing: -1px;
}

.logo span,
.footer-logo span {
    color: #8caf00;
}

nav {
    display: flex;
    gap: 30px;
}

nav a {
    font-size: 14px;
    font-weight: 600;
}

nav a:hover {
    opacity: 0.5;
}


/* HERO */

.hero {
    min-height: 680px;

    display: flex;
    align-items: center;

    background:
        radial-gradient(circle at 80% 30%, #eeeeea 0%, transparent 35%),
        var(--white);
}

.hero-content {
    max-width: 1200px;
    width: 100%;
    margin: auto;
    padding: 100px 30px;
}

.eyebrow,
.section-label {
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 2px;
}

.eyebrow {
    margin-bottom: 25px;
}

.hero h1 {
    font-size: clamp(70px, 12vw, 150px);
    line-height: 0.85;
    letter-spacing: -8px;
    font-weight: 900;
}

.hero h1 span {
    color: #8caf00;
}

.hero-text {
    max-width: 600px;
    margin-top: 40px;

    font-size: 24px;
    line-height: 1.4;
    color: #444;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    margin-top: 40px;
}

.button {
    display: inline-block;
    padding: 15px 25px;
    font-size: 14px;
    font-weight: 800;
    border: 1px solid var(--black);
}

.button.primary {
    background: var(--black);
    color: var(--white);
}

.button.secondary {
    background: transparent;
}

.button:hover {
    transform: translateY(-2px);
}


/* INTRO */

.intro {
    max-width: 900px;
    margin: auto;
    padding: 120px 30px;
}

.intro h2 {
    font-size: clamp(42px, 6vw, 72px);
    line-height: 1;
    letter-spacing: -3px;
    margin: 25px 0 35px;
}

.intro p {
    max-width: 700px;
    font-size: 20px;
    color: #555;
    margin-bottom: 15px;
}


/* SECTIONS */

.section {
    max-width: 1200px;
    margin: auto;
    padding: 120px 30px;
}

.section-heading {
    margin-bottom: 60px;
}

.section-heading h2 {
    font-size: clamp(40px, 6vw, 70px);
    line-height: 1;
    letter-spacing: -3px;
    margin-top: 20px;
}


/* CARDS */

.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.card {
    min-height: 330px;
    padding: 30px;

    border: 1px solid var(--border);

    display: flex;
    flex-direction: column;

    transition: 0.2s ease;
}

.card:hover {
    background: var(--light-grey);
    transform: translateY(-5px);
}

.card-number {
    font-size: 13px;
    font-weight: 800;
    color: var(--grey);
    margin-bottom: 70px;
}

.card h3 {
    font-size: 27px;
    line-height: 1.1;
    margin-bottom: 15px;
}

.card p {
    color: #666;
    margin-bottom: 25px;
}

.card span {
    margin-top: auto;
    font-size: 13px;
    font-weight: 800;
}


/* DARK SECTION */

.dark {
    max-width: none;
    background: var(--black);
    color: var(--white);

    padding-left: max(30px, calc((100vw - 1140px) / 2));
    padding-right: max(30px, calc((100vw - 1140px) / 2));
}

.feature {
    padding: 70px;

    background:
        linear-gradient(135deg, #181818, #080808);

    border: 1px solid #333;
}

.feature-tag {
    color: var(--accent);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 2px;
}

.feature h3 {
    max-width: 700px;
    font-size: clamp(45px, 7vw, 85px);
    line-height: 0.95;
    letter-spacing: -4px;
    margin: 30px 0;
}

.feature p {
    max-width: 600px;
    color: #aaa;
    font-size: 19px;
    margin-bottom: 35px;
}

.button.light {
    background: var(--white);
    color: var(--black);
    border-color: var(--white);
}


/* SOCIAL */

.content-section {
    padding-bottom: 150px;
}

.social-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--border);
}

.social {
    padding: 30px 10px 30px 0;
    border-bottom: 1px solid var(--border);

    display: flex;
    flex-direction: column;
    gap: 5px;
}

.social strong {
    font-size: 20px;
}

.social span {
    font-size: 14px;
    color: var(--grey);
}

.social:hover strong {
    text-decoration: underline;
}


/* FINAL CTA */

.final-cta {
    padding: 150px 30px;
    text-align: center;

    background: var(--light-grey);
}

.final-cta h2 {
    font-size: clamp(55px, 9vw, 110px);
    line-height: 0.9;
    letter-spacing: -6px;
    margin: 25px 0;
}

.final-cta p {
    color: var(--grey);
    font-size: 18px;
}


/* FOOTER */

footer {
    background: var(--black);
    color: var(--white);
    text-align: center;
    padding: 70px 30px;
}

.footer-logo {
    font-size: 35px;
    font-weight: 900;
}

footer p {
    color: #888;
    margin-top: 10px;
}

footer .copyright {
    font-size: 12px;
    margin-top: 40px;
}


/* MOBILE */

@media (max-width: 800px) {

    nav {
        display: none;
    }

    .hero {
        min-height: 600px;
    }

    .hero h1 {
        letter-spacing: -5px;
    }

    .hero-text {
        font-size: 20px;
    }

    .cards {
        grid-template-columns: 1fr;
    }

    .card {
        min-height: 280px;
    }

    .social-grid {
        grid-template-columns: 1fr;
    }

    .feature {
        padding: 40px 25px;
    }

    .feature h3 {
        letter-spacing: -2px;
    }

    .final-cta h2 {
        letter-spacing: -3px;
    }
}