/* ========================================
   Universal Synapse - Editorial Tech
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --primary: #0a0a0a;
    --primary-light: #1a1a1a;
    --accent: #00d4ff;
    --accent-dim: rgba(0, 212, 255, 0.15);
    --text: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    --bg: #0a0a0a;
    --bg-elevated: #111111;
    --bg-card: #161616;
    --border: #222222;
    --border-light: #333333;
    --gradient-accent: linear-gradient(135deg, #00d4ff 0%, #0066ff 100%);
    --gradient-subtle: linear-gradient(180deg, rgba(0,212,255,0.08) 0%, transparent 100%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    overflow-x: hidden;
}

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

/* ========================================
   Typography
   ======================================== */

h1, h2, h3, h4 {
    color: var(--text);
    line-height: 1.1;
    font-weight: 700;
    letter-spacing: -0.03em;
}

h1 {
    font-size: clamp(48px, 7vw, 80px);
    font-weight: 800;
}

h2 {
    font-size: clamp(36px, 5vw, 56px);
}

h3 {
    font-size: 28px;
}

h4 {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.section-desc {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 60px;
    line-height: 1.7;
}

.mono {
    font-family: 'JetBrains Mono', monospace;
}

/* ========================================
   Buttons
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
    gap: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.btn-primary:hover {
    background: var(--accent);
    color: var(--bg);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-light);
    color: var(--text);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    padding: 14px 0;
}

.btn-ghost:hover {
    color: var(--accent);
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-nav {
    padding: 10px 20px;
    font-size: 12px;
}

/* ========================================
   Header
   ======================================== */

header {
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 100;
    border-bottom: 1px solid var(--border);
}

.logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.02em;
}

.logo span {
    color: var(--accent);
}

nav {
    display: flex;
    align-items: center;
    gap: 40px;
}

nav a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: color 0.2s;
}

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

.mobile-menu {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu span {
    width: 24px;
    height: 2px;
    background: var(--text);
    transition: 0.3s;
}

/* ========================================
   Hero
   ======================================== */

.hero {
    padding: 180px 40px 120px;
    max-width: 1400px;
    margin: 0 auto;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: radial-gradient(ellipse at 50% 0%, rgba(0, 212, 255, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
}

.hero-label {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--accent);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 32px;
}

.hero-label::before {
    content: '';
    width: 40px;
    height: 1px;
    background: var(--accent);
}

.hero h1 {
    margin-bottom: 32px;
}

.hero h1 .highlight {
    color: var(--accent);
}

.hero-desc {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 48px;
    line-height: 1.7;
    max-width: 640px;
}

.cta-group {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Hero Cards - Softened */
.hero-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 80px;
    position: relative;
    z-index: 2;
}

.hero-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 32px;
    position: relative;
}

.hero-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-accent);
    opacity: 0;
    transition: opacity 0.3s;
}

.hero-card:hover::before {
    opacity: 1;
}

.hero-card-number {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.hero-card h4 {
    margin-bottom: 8px;
    font-size: 16px;
}

.hero-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========================================
   Founder Section (Lead)
   ======================================== */

.founder-lead {
    padding: 140px 24px;
    background: var(--bg-elevated);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.founder-lead-inner {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 80px;
    align-items: start;
    max-width: 1100px;
    margin: 0 auto;
}

.founder-photo {
    width: 300px;
    height: 380px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    overflow: hidden;
    font-size: 13px;
    position: relative;
}

.founder-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.founder-photo::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(transparent, var(--bg-elevated));
    pointer-events: none;
}

.founder-content {
    padding-top: 20px;
}

.founder-label {
    font-size: 12px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
    font-weight: 600;
}

.founder-content h2 {
    margin-bottom: 8px;
    font-size: 48px;
}

.founder-title {
    color: var(--text-secondary);
    font-size: 18px;
    margin-bottom: 32px;
}

.founder-content p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.8;
    font-size: 16px;
    max-width: 560px;
}

.credentials {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 32px;
}

.credential {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 8px 16px;
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    transition: all 0.2s;
}

.credential:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* ========================================
   Problem Section
   ======================================== */

.problem {
    padding: 140px 24px;
    text-align: center;
}

.problem h2 {
    margin-bottom: 20px;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--border);
    margin-top: 80px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.stat {
    background: var(--bg);
    padding: 60px 40px;
    text-align: center;
}

.stat-number {
    font-size: 56px;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    letter-spacing: -0.03em;
}

.stat-label {
    color: var(--text-muted);
    margin-top: 16px;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ========================================
   AI Section
   ======================================== */

.ai-section {
    padding: 140px 24px;
    background: var(--bg-elevated);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.ai-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.ai-section .container {
    position: relative;
    z-index: 1;
}

.ai-header {
    text-align: center;
    margin-bottom: 80px;
}

.ai-header h2 {
    margin-bottom: 20px;
}

.ai-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--border);
}

.ai-item {
    background: var(--bg-elevated);
    padding: 48px 40px;
}

.ai-item-number {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--accent);
    margin-bottom: 20px;
}

.ai-item h4 {
    margin-bottom: 12px;
    font-size: 20px;
}

.ai-item p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.7;
}

/* ========================================
   Services
   ======================================== */

.services {
    padding: 140px 24px;
    text-align: center;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 80px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 48px 36px;
    text-align: left;
    transition: all 0.3s ease;
    position: relative;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.service-card:hover {
    border-color: var(--border-light);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card.featured {
    border-color: var(--accent);
}

.service-card.featured::before {
    transform: scaleX(1);
}

.service-badge {
    position: absolute;
    top: -1px;
    right: 24px;
    background: var(--accent);
    color: var(--bg);
    padding: 6px 12px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.service-card h3 {
    margin-bottom: 8px;
    font-size: 22px;
}

.service-price {
    font-size: 36px;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.service-card > p {
    color: var(--text-muted);
    margin-bottom: 32px;
    font-size: 14px;
}

.service-card ul {
    list-style: none;
    margin-bottom: 32px;
}

.service-card li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.service-card li::before {
    content: '+';
    color: var(--accent);
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
}

.service-card li:last-child {
    border-bottom: none;
}

/* ========================================
   Method
   ======================================== */

.method {
    padding: 140px 24px;
    background: var(--bg-elevated);
    border-top: 1px solid var(--border);
    text-align: center;
}

.method h2 {
    margin-bottom: 80px;
}

.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--border);
    max-width: 1000px;
    margin: 0 auto;
}

.step {
    background: var(--bg-elevated);
    padding: 48px 32px;
    text-align: left;
}

.step-number {
    font-family: 'JetBrains Mono', monospace;
    font-size: 48px;
    font-weight: 700;
    color: var(--border-light);
    margin-bottom: 24px;
    line-height: 1;
}

.step:hover .step-number {
    color: var(--accent);
}

.step h4 {
    margin-bottom: 12px;
    font-size: 18px;
}

.step p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ========================================
   Vision Section
   ======================================== */

.vision {
    padding: 180px 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.vision::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 50% 50%, rgba(0, 212, 255, 0.05) 0%, transparent 60%);
    pointer-events: none;
}

.vision .container {
    position: relative;
    z-index: 1;
}

.vision-label {
    font-size: 12px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 32px;
    font-weight: 600;
}

.vision h2 {
    font-size: clamp(40px, 6vw, 64px);
    max-width: 900px;
    margin: 0 auto 32px;
    line-height: 1.1;
}

.vision p {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 60px;
    line-height: 1.7;
}

.vision-items {
    display: flex;
    justify-content: center;
    gap: 80px;
    margin-top: 80px;
}

.vision-item {
    text-align: center;
}

.vision-item-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 8px;
}

.vision-item-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
}

/* ========================================
   Use Cases
   ======================================== */

.use-cases {
    padding: 140px 24px;
    background: var(--bg-elevated);
    border-top: 1px solid var(--border);
    text-align: center;
}

.use-case-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 900px;
    margin: 80px auto 0;
}

.use-case {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 48px;
    text-align: left;
    transition: border-color 0.3s;
}

.use-case:hover {
    border-color: var(--border-light);
}

.use-case-number {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--accent);
    margin-bottom: 20px;
}

.use-case h4 {
    margin-bottom: 12px;
    font-size: 20px;
}

.use-case p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 15px;
}

/* ========================================
   CTA Section
   ======================================== */

.cta-section {
    padding: 180px 24px;
    text-align: center;
    border-top: 1px solid var(--border);
    position: relative;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 100px;
    background: linear-gradient(var(--border), transparent);
}

.cta-section h2 {
    margin-bottom: 20px;
    font-size: 48px;
}

.cta-section p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 48px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

/* ========================================
   Footer
   ======================================== */

footer {
    padding: 80px 24px;
    text-align: center;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
}

.disclaimer {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 24px 32px;
    font-size: 13px;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 40px;
    line-height: 1.7;
    text-align: left;
}

.disclaimer strong {
    color: var(--accent);
}

footer a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

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

footer p {
    margin-top: 12px;
    font-size: 13px;
}

/* ========================================
   Animations
   ======================================== */

.animate-in {
    animation: fadeIn 0.6s ease forwards;
}

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

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 1024px) {
    .hero-cards {
        grid-template-columns: 1fr;
        max-width: 500px;
    }

    .founder-lead-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .founder-photo {
        width: 200px;
        height: 250px;
        margin: 0 auto;
    }

    .founder-content {
        text-align: center;
    }

    .founder-content p {
        max-width: none;
    }

    .credentials {
        justify-content: center;
    }

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

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

    .service-grid {
        grid-template-columns: 1fr;
        max-width: 450px;
        margin-left: auto;
        margin-right: auto;
    }

    .steps {
        grid-template-columns: repeat(2, 1fr);
    }

    .vision-items {
        flex-direction: column;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    header {
        padding: 16px 20px;
    }

    nav {
        display: none;
    }

    .mobile-menu {
        display: flex;
    }

    .hero {
        padding: 140px 24px 80px;
    }

    .hero h1 {
        font-size: 40px;
    }

    .stat-number {
        font-size: 40px;
    }

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

    .use-case-grid {
        grid-template-columns: 1fr;
    }

    .cta-section h2 {
        font-size: 36px;
    }
}