:root {
    /* Colors */
    --color-bg: #000000;
    --color-text: #ffffff;
    --color-text-muted: #a1a1aa;
    --color-primary: #ffffff;
    /* White highlights */
    --color-primary-dark: #e5e5e5;
    /* Off-white hover */
    --color-accent: #ffffff;
    --color-surface: #0a0a0a;
    /* Very dark gray */
    --color-border: #333333;
    /* Dark gray border */

    /* Typography */
    --font-heading: 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --container-width: 1200px;
    --header-height: 80px;
}

/* Reset & Base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s;
}

ul {
    list-style: none;
}

img,
video {
    max-width: 100%;
    display: block;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text);
}

h1 {
    font-size: 3.5rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.5rem;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.5rem;
}

.section-title {
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto 3rem;
}

.text-gradient {
    background: linear-gradient(135deg, #ffffff 0%, #9ca3af 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Layout */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

section {
    padding: 5rem 0;
}

/* Header */
.header {
    height: var(--header-height);
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
}

.header-container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.03em;
    color: white;
}

.nav-desktop {
    display: flex;
    gap: 2rem;
}

.nav-desktop a {
    font-weight: 500;
    color: var(--color-text-muted);
}

.nav-desktop a:hover {
    color: var(--color-primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.15);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Hero */
.hero {
    position: relative;
    padding-top: calc(var(--header-height) + 4rem);
    padding-bottom: 6rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.video-placeholder {
    width: 100%;
    height: 100%;
    background-color: #000000;
    background-image: radial-gradient(#333333 1px, transparent 1px);
    background-size: 20px 20px;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    position: relative;
    z-index: 2;
}

.hero-label {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin: 1.5rem 0 2.5rem;
}

.hero-cta-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.trust-text {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.icon-tiny {
    width: 14px;
    height: 14px;
}

/* Stats */
.stats {
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    padding: 3rem 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    text-align: center;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: #000000;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.05);
    border-color: var(--color-primary);
}

.card-icon {
    width: 48px;
    height: 48px;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.feature-card h3 {
    margin-bottom: 0.75rem;
    color: white;
}

.feature-card p {
    color: var(--color-text-muted);
}

/* Trust / CTA */
.cta-section {
    background-color: #0a0a0a;
    color: white;
    text-align: center;
    border-top: 1px solid var(--color-border);
}

.cta-section h2 {
    color: white;
    margin-bottom: 1rem;
}

.cta-section p {
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    font-size: 1.125rem;
}

.cta-section .btn-primary {
    background-color: white;
    color: black;
}

.cta-section .btn-primary:hover {
    background-color: #e5e5e5;
    color: black;
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
}

/* Footer */
.footer {
    padding: 4rem 0;
    background-color: #000000;
    border-top: 1px solid var(--color-border);
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-brand p {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.footer-links a:hover {
    color: var(--color-primary);
}

.copyright {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.75rem;
    border-top: 1px solid var(--color-border);
    padding-top: 2rem;
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-100 {
    transition-delay: 0.1s;
}

.delay-200 {
    transition-delay: 0.2s;
}

.delay-300 {
    transition-delay: 0.3s;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

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

    .nav-desktop {
        display: none;
    }

    .header-actions {
        display: none;
    }

    .header-container {
        justify-content: center;
    }

    .footer-container {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }

    .footer-links {
        flex-direction: row;
        justify-content: center;
        gap: 1.5rem;
    }
}

.logo {
    font-family: 'Ibarra Real Nova', serif;
    font-size: 1.75rem;
}

.faq-section {
    background-color: #0a0a0a;
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background-color: #000;
    border: 1px solid #333;
    border-radius: 8px;
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.faq-question h3 {
    font-size: 1.125rem;
    font-weight: 500;
    margin: 0;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    padding: 0 1.5rem;
}

.faq-item.active .faq-answer {
    padding-bottom: 1.5rem;
}

.faq-answer p {
    color: #a1a1aa;
    font-size: 1rem;
    margin: 0;
}