/* === RESET & BASE === */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #0A0E27;
    --primary-light: #141937;
    --accent: #4F7AFF;
    --accent-glow: #4F7AFF40;
    --accent-2: #00D4AA;
    --accent-2-glow: #00D4AA30;
    --text: #E8EAF0;
    --text-dim: #8B90A0;
    --text-bright: #FFFFFF;
    --surface: #1A1F3A;
    --surface-2: #232848;
    --border: #2A2F4A;
    --radius: 12px;
    --radius-lg: 20px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--primary);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

h1, h2, h3, h4 {
    color: var(--text-bright);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--accent-2);
}

/* === NAVIGATION === */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 14, 39, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: all var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    border-radius: 10px;
    font-weight: 800;
    font-size: 14px;
    color: white;
    letter-spacing: 0;
}

.logo-text {
    font-weight: 700;
    font-size: 20px;
    color: var(--text-bright);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: var(--text-dim);
    font-size: 14px;
    font-weight: 500;
    transition: color var(--transition);
}

.nav-links a:hover {
    color: var(--text-bright);
}

.nav-cta {
    background: var(--accent) !important;
    color: white !important;
    padding: 8px 20px;
    border-radius: 8px;
    font-weight: 600 !important;
    transition: all var(--transition) !important;
}

.nav-cta:hover {
    background: #3D68ED !important;
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all var(--transition);
}

/* === HERO === */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 24px 80px;
    overflow: hidden;
}

.hero-container {
    max-width: 800px;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 500;
    color: var(--accent-2);
    margin-bottom: 32px;
    letter-spacing: 0.02em;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.hero-highlight {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-dim);
    max-width: 620px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-glow {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    pointer-events: none;
    z-index: 1;
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #3D68ED);
    color: white;
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
    color: white;
}

.btn-secondary {
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--surface-2);
    color: var(--text-bright);
    transform: translateY(-2px);
}

/* === PROBLEM / MISSION === */
.problem {
    padding: 120px 0;
    background: var(--primary-light);
}

.problem-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 64px;
}

.stat-card {
    text-align: center;
    padding: 40px 24px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
}

.stat-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-dim);
    font-weight: 500;
}

.problem-text {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.problem-text h2 {
    font-size: 2.2rem;
    margin-bottom: 24px;
}

.problem-text p {
    font-size: 1.1rem;
    color: var(--text-dim);
    margin-bottom: 16px;
}

.problem-text strong {
    color: var(--text-bright);
}

/* === HOW IT WORKS === */
.how-it-works {
    padding: 120px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-dim);
    font-size: 1.1rem;
    margin-bottom: 64px;
}

.pillars {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.pillar {
    padding: 48px 32px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition);
}

.pillar:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}

.pillar-icon {
    font-size: 3rem;
    margin-bottom: 24px;
}

.pillar h3 {
    font-size: 1.3rem;
    margin-bottom: 16px;
}

.pillar p {
    color: var(--text-dim);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* === FEATURES === */
.features {
    padding: 120px 0;
    background: var(--primary-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    padding: 36px 28px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all var(--transition);
}

.feature-card:hover {
    border-color: var(--accent-2);
    transform: translateY(-2px);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 1.1rem;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-dim);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* === ABOUT === */
.about {
    padding: 120px 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-text h2 {
    font-size: 2rem;
    margin-bottom: 24px;
}

.about-text p {
    color: var(--text-dim);
    margin-bottom: 16px;
    font-size: 1.05rem;
}

.about-signature {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.about-signature strong {
    display: block;
    font-size: 1.1rem;
    color: var(--text-bright);
}

.about-signature span {
    color: var(--text-dim);
    font-size: 0.9rem;
}

.mission-card {
    padding: 48px 36px;
    background: linear-gradient(135deg, var(--surface), var(--surface-2));
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
}

.mission-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.mission-card h3 {
    font-size: 1.3rem;
    margin-bottom: 16px;
    color: var(--accent-2);
}

.mission-card p {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--text);
    line-height: 1.8;
}

/* === WAITLIST === */
.waitlist {
    padding: 120px 0;
    background: var(--primary-light);
    text-align: center;
}

.waitlist-content {
    max-width: 600px;
    margin: 0 auto;
}

.waitlist h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.waitlist > .container > .waitlist-content > p {
    color: var(--text-dim);
    font-size: 1.1rem;
    margin-bottom: 40px;
}

.waitlist-form .form-group {
    display: flex;
    gap: 12px;
    max-width: 500px;
    margin: 0 auto;
}

.waitlist-form input[type="email"] {
    flex: 1;
    padding: 14px 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-bright);
    font-size: 15px;
    font-family: inherit;
    outline: none;
    transition: border-color var(--transition);
}

.waitlist-form input[type="email"]:focus {
    border-color: var(--accent);
}

.waitlist-form input[type="email"]::placeholder {
    color: var(--text-dim);
}

.form-note {
    margin-top: 16px;
    font-size: 13px;
    color: var(--text-dim);
}

.waitlist-success {
    padding: 32px;
}

.success-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.waitlist-success h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.waitlist-success p {
    color: var(--text-dim);
}

/* === FOOTER === */
.footer {
    padding: 48px 0;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 24px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.footer-brand p {
    width: 100%;
    color: var(--text-dim);
    font-size: 13px;
    margin-top: 4px;
}

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

.footer-links a {
    color: var(--text-dim);
    font-size: 14px;
}

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

.footer-legal p {
    color: var(--text-dim);
    font-size: 13px;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--primary);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .problem-stats {
        grid-template-columns: 1fr;
        gap: 16px;
    }

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

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

    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .waitlist-form .form-group {
        flex-direction: column;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }
}

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

.hero-badge,
.hero-title,
.hero-subtitle,
.hero-actions {
    animation: fadeUp 0.8s ease-out forwards;
}

.hero-title { animation-delay: 0.1s; }
.hero-subtitle { animation-delay: 0.2s; }
.hero-actions { animation-delay: 0.3s; }