@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --bg: #06080f;
    --surface: #0c1018;
    --surface-2: #111726;
    --glass: rgba(17, 24, 39, 0.5);
    --glass-border: rgba(255, 255, 255, 0.06);
    --glass-border-hover: rgba(255, 255, 255, 0.12);
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-glow: rgba(99, 102, 241, 0.25);
    --accent: #10b981;
    --accent-glow: rgba(16, 185, 129, 0.2);
    --text: #f1f5f9;
    --text-dim: #94a3b8;
    --text-muted: #64748b;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --radius: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    background-image:
        radial-gradient(ellipse at 15% 0%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 85% 100%, rgba(16, 185, 129, 0.06) 0%, transparent 50%);
    background-attachment: fixed;
}

h1, h2, h3, h4, .heading {
    font-family: var(--font-heading);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.15;
}

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

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

/* ========== GLASS ========== */
.glass {
    background: var(--glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

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

/* ========== NAV ========== */
nav {
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5%;
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(6, 8, 15, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

.logo {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 22px;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 2px;
}

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

.nav-links {
    display: flex;
    gap: 36px;
    align-items: center;
}

.nav-links a {
    color: var(--text-dim);
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0; right: 0;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}

.nav-actions { display: flex; gap: 12px; align-items: center; }

/* Hamburger */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}
.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    margin: 5px 0;
    transition: var(--transition);
    border-radius: 2px;
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 12px;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 20px var(--primary-glow);
}

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

.btn-ghost {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text);
    border: 1px solid var(--glass-border);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--glass-border-hover);
}

.btn-accent {
    background: var(--accent);
    color: #06080f;
    font-weight: 700;
}

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

.btn-sm { padding: 10px 20px; font-size: 13px; }
.btn-lg { padding: 18px 36px; font-size: 15px; }

/* ========== LAYOUT ========== */
.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 5%;
}

.section { padding: 100px 0; }

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 42px;
    margin-bottom: 16px;
}

.section-header p {
    color: var(--text-dim);
    font-size: 17px;
    max-width: 600px;
    margin: 0 auto;
}

/* ========== HERO ========== */
.hero {
    padding: 140px 5% 80px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 28px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 500;
    color: var(--primary-light);
}

.hero-badge .dot {
    width: 8px; height: 8px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--accent);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero h1 {
    font-size: 56px;
    max-width: 800px;
    margin-bottom: 8px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    color: var(--text-dim);
    font-size: 19px;
    max-width: 580px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-top: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

/* ========== STATS BAR ========== */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    padding: 40px 5%;
    max-width: 1140px;
    margin: 0 auto;
}

.stat {
    text-align: center;
    border-right: 1px solid var(--glass-border);
}

.stat:last-child { border-right: none; }

.stat-num {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 36px;
    color: var(--text);
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 4px;
}

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

.feature-card {
    padding: 36px;
    background: var(--glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.feature-card:hover {
    border-color: var(--glass-border-hover);
    transform: translateY(-4px);
    background: rgba(17, 24, 39, 0.7);
}

.feature-icon {
    width: 48px; height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: 12px;
    font-size: 22px;
    color: var(--primary-light);
}

.feature-card h3 {
    font-size: 20px;
}

.feature-card p {
    color: var(--text-dim);
    font-size: 15px;
    line-height: 1.7;
}

/* ========== VIDEO SECTION ========== */
.video-section {
    padding: 80px 0;
    text-align: center;
}

.video-wrapper {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--glass-border);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
}

.video-wrapper iframe {
    width: 100%;
    aspect-ratio: 16/9;
    border: none;
}

/* ========== TESTIMONIALS ========== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial-card {
    padding: 32px;
    background: var(--glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.testimonial-card:hover {
    border-color: var(--glass-border-hover);
}

.testimonial-img {
    width: 100%;
    aspect-ratio: 9/16;
    object-fit: cover;
    border-radius: 12px;
    background: var(--surface-2);
    border: 1px solid var(--glass-border);
}

.testimonial-card .label {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 16px;
    text-align: center;
}

.testimonial-placeholder {
    width: 100%;
    aspect-ratio: 9/16;
    border-radius: 12px;
    background: var(--surface-2);
    border: 1px dashed var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 14px;
    text-align: center;
    padding: 20px;
}

/* ========== CTA SECTION ========== */
.cta-section {
    padding: 100px 5%;
    text-align: center;
}

.cta-box {
    max-width: 700px;
    margin: 0 auto;
    padding: 60px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(16, 185, 129, 0.05) 100%);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: var(--radius-xl);
}

.cta-box h2 {
    font-size: 36px;
    margin-bottom: 16px;
}

.cta-box p {
    color: var(--text-dim);
    font-size: 17px;
    margin-bottom: 32px;
}

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

/* ========== DEMO PAGE ========== */
.demo-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 120px 5% 80px;
}

.demo-input-card {
    padding: 40px;
    margin-bottom: 32px;
}

.demo-input-card h2 {
    font-size: 28px;
    margin-bottom: 8px;
}

.demo-input-card .subtitle {
    color: var(--text-dim);
    font-size: 15px;
    margin-bottom: 28px;
}

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-light);
    margin-bottom: 8px;
}

.input-group input,
.input-group textarea {
    width: 100%;
    padding: 16px 20px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text);
    font-family: var(--font-body);
    font-size: 15px;
    outline: none;
    transition: var(--transition);
}

.input-group input:focus,
.input-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.input-group textarea {
    resize: vertical;
    min-height: 80px;
}

/* ========== SIMULATION ========== */
.sim-screen {
    display: none;
    padding: 40px;
    min-height: 400px;
}

.sim-screen.active { display: block; }

.sim-step {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--glass-border);
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.5s ease;
}

.sim-step.visible {
    opacity: 1;
    transform: translateX(0);
}

.sim-step-icon {
    width: 40px; height: 40px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    font-size: 18px;
}

.sim-step-icon.pending {
    background: rgba(100, 116, 139, 0.1);
    color: var(--text-muted);
}

.sim-step-icon.active {
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary-light);
    animation: spin 1s linear infinite;
}

.sim-step-icon.done {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent);
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.sim-step-content { flex: 1; }

.sim-step-title {
    font-weight: 600;
    font-size: 15px;
    color: var(--text);
}

.sim-step-desc {
    font-size: 13px;
    color: var(--text-dim);
    margin-top: 2px;
}

.sim-step-preview {
    margin-top: 12px;
    padding: 16px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    font-size: 14px;
    color: var(--text);
    display: none;
}

.sim-step-preview.show { display: block; }

.sim-result {
    text-align: center;
    padding: 40px;
}

.sim-result .check {
    width: 64px; height: 64px;
    margin: 0 auto 20px;
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--accent);
}

.sim-result h3 {
    font-size: 24px;
    margin-bottom: 8px;
}

.sim-result p {
    color: var(--text-dim);
    margin-bottom: 24px;
}

/* ========== TECH PAGE ========== */
.tech-item {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 32px;
    padding: 40px;
    margin-bottom: 24px;
    align-items: start;
}

.tech-icon {
    width: 64px; height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: 16px;
    font-size: 28px;
    color: var(--primary-light);
}

.tech-item h3 {
    font-size: 24px;
    margin-bottom: 12px;
}

.tech-item p {
    color: var(--text-dim);
    font-size: 16px;
    line-height: 1.7;
}

.tech-tags {
    margin-top: 16px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.tech-tag {
    padding: 6px 14px;
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.15);
    border-radius: 100px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--accent);
}

/* ========== ABOUT PAGE ========== */
.about-story {
    padding: 48px;
    margin-bottom: 40px;
}

.about-story p {
    color: var(--text-dim);
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-story p strong {
    color: var(--text);
}

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

.team-card {
    text-align: center;
}

.team-avatar {
    width: 100%;
    aspect-ratio: 1;
    background: var(--surface-2);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: var(--text-muted);
    transition: var(--transition);
}

.team-card:hover .team-avatar {
    border-color: var(--primary);
    color: var(--primary-light);
}

.team-card h4 {
    font-size: 17px;
    margin-bottom: 4px;
}

.team-role {
    font-size: 12px;
    font-weight: 600;
    color: var(--primary-light);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
}

.team-card p {
    font-size: 13px;
    color: var(--text-dim);
    line-height: 1.6;
}

/* ========== TIMELINE ========== */
.timeline {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0; bottom: 0;
    width: 2px;
    background: var(--glass-border);
}

.timeline-item {
    position: relative;
    padding-left: 56px;
    padding-bottom: 40px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 14px;
    top: 4px;
    width: 14px; height: 14px;
    background: var(--primary);
    border-radius: 50%;
    box-shadow: 0 0 12px var(--primary-glow);
}

.timeline-item h4 {
    font-size: 17px;
    margin-bottom: 6px;
}

.timeline-item p {
    color: var(--text-dim);
    font-size: 15px;
}

/* ========== FOOTER ========== */
footer {
    padding: 60px 5%;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    background: var(--surface);
}

footer .logo {
    justify-content: center;
    margin-bottom: 12px;
}

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

footer .footer-links {
    display: flex;
    gap: 24px;
    justify-content: center;
    margin-top: 16px;
}

footer .footer-links a {
    font-size: 13px;
    color: var(--text-dim);
    transition: var(--transition);
}

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

/* ========== SCROLL ANIMATIONS ========== */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ========== RESPONSIVE ========== */
@media (max-width: 900px) {
    .hero h1 { font-size: 38px; }
    .hero p { font-size: 17px; }
    .features-grid, .testimonials-grid, .team-grid { grid-template-columns: 1fr; }
    .stats-bar { grid-template-columns: repeat(2, 1fr); }
    .stat:nth-child(2) { border-right: none; }
    .nav-links { display: none; }
    .section-header h2 { font-size: 32px; }
    .tech-item { grid-template-columns: 1fr; gap: 16px; }
    .cta-box { padding: 40px 24px; }
    .cta-box h2 { font-size: 28px; }
}

@media (max-width: 700px) {
    nav { padding: 0 4%; height: 64px; }
    .logo { font-size: 18px; }
    .logo img { height: 32px; }
    .nav-toggle { display: block; }
    .nav-links {
        display: flex;
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(6, 8, 15, 0.97);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 32px;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.3s ease;
        z-index: 999;
    }
    .nav-links.open {
        opacity: 1;
        pointer-events: all;
    }
    .nav-links a {
        font-size: 20px;
        font-weight: 600;
        color: var(--text-dim);
    }
    .nav-links a.active { color: var(--text); }
    .nav-actions {
        display: none;
    }
    .nav-links.open ~ .nav-actions { display: none; }
    .mobile-cta {
        display: flex !important;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        padding: 12px 5%;
        background: rgba(6, 8, 15, 0.95);
        backdrop-filter: blur(20px);
        border-top: 1px solid var(--glass-border);
        gap: 10px;
        z-index: 998;
    }
    .mobile-cta .btn { flex: 1; padding: 12px 16px; font-size: 13px; }
    .hero { padding-bottom: 80px; }
}

@media (max-width: 600px) {
    .hero h1 { font-size: 28px; }
    .hero { padding: 100px 5% 40px; }
    .stats-bar { grid-template-columns: 1fr; }
    .stat { border-right: none; border-bottom: 1px solid var(--glass-border); padding: 16px 0; }
    .stat:last-child { border-bottom: none; }
    .section { padding: 48px 0; }
    .demo-input-card, .sim-screen { padding: 20px; }
    .container { padding: 0 4%; }
}