/* ============================================
   HelixAI — Landing Page Styles
   1:1 Replication of Moras.ai Design
   ============================================ */

/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
    --bg-primary: #09090B;
    --bg-secondary: #0F0F12;
    --bg-card: #18181B;
    --bg-card-hover: #1E1E22;
    --border-color: rgba(255,255,255,0.06);
    --border-hover: rgba(255,255,255,0.12);
    --text-primary: #FAFAFA;
    --text-secondary: #A1A1AA;
    --text-muted: #71717A;
    --accent-purple: #7C3AED;
    --accent-blue: #3B82F6;
    --accent-cyan: #06B6D4;
    --accent-green: #10B981;
    --accent-yellow: #F59E0B;
    --accent-red: #EF4444;
    --gradient-primary: linear-gradient(135deg, #7C3AED 0%, #3B82F6 50%, #06B6D4 100%);
    --gradient-warm: linear-gradient(135deg, #F59E0B 0%, #EF4444 100%);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-card: 0 4px 32px rgba(0,0,0,0.4);
    --shadow-glow: 0 0 80px rgba(124,58,237,0.15);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* === UTILITY === */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* === BUTTONS === */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: var(--font); font-weight: 600; font-size: 14px;
    padding: 10px 24px; border-radius: var(--radius-md);
    border: none; cursor: pointer; transition: all 0.3s ease;
    white-space: nowrap;
}
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-lg { padding: 14px 32px; font-size: 16px; }
.btn-block { width: 100%; justify-content: center; }
.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 24px rgba(124,58,237,0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(124,58,237,0.4); }
.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-hover);
}
.btn-outline:hover { border-color: var(--accent-purple); color: var(--accent-purple); }
.btn-ghost {
    background: transparent; color: var(--text-secondary);
}
.btn-ghost:hover { color: var(--text-primary); }

/* === NAVBAR === */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    padding: 16px 0;
    background: rgba(9,9,11,0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}
.navbar.scrolled { padding: 10px 0; background: rgba(9,9,11,0.95); }
.nav-container {
    max-width: 1200px; margin: 0 auto; padding: 0 24px;
    display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.logo-text { font-size: 20px; font-weight: 800; letter-spacing: -0.5px; }
.nav-links { display: flex; gap: 32px; }
.nav-links a {
    font-size: 14px; font-weight: 500; color: var(--text-secondary);
    transition: color 0.2s;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.btn-lang {
    min-width: 2.5rem;
    padding: 6px 10px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}
.mobile-toggle {
    display: none; flex-direction: column; gap: 5px;
    background: none; border: none; cursor: pointer; padding: 4px;
}
.mobile-toggle span {
    display: block; width: 24px; height: 2px;
    background: var(--text-primary); border-radius: 2px;
    transition: all 0.3s ease;
}
.mobile-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
.mobile-menu {
    display: none; flex-direction: column; padding: 16px 24px;
    border-top: 1px solid var(--border-color);
}
.mobile-menu a {
    padding: 12px 0; font-size: 16px; color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}
.mobile-menu.open { display: flex; }

/* === HERO === */
.hero {
    position: relative; min-height: 100vh;
    display: flex; align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-glow {
    position: absolute; border-radius: 50%; filter: blur(120px);
    opacity: 0.4;
}
.hero-glow-1 { width: 600px; height: 600px; top: -200px; left: -100px; background: var(--accent-purple); }
.hero-glow-2 { width: 500px; height: 500px; top: 100px; right: -150px; background: var(--accent-blue); }
.hero-glow-3 { width: 400px; height: 400px; bottom: -100px; left: 30%; background: var(--accent-cyan); opacity: 0.2; }
.hero-grid {
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}
.hero-content { position: relative; text-align: center; z-index: 1; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 8px 20px; border-radius: 100px;
    background: rgba(124,58,237,0.1);
    border: 1px solid rgba(124,58,237,0.2);
    font-size: 13px; font-weight: 500; color: #C4B5FD;
    margin-bottom: 32px;
    animation: fadeInUp 0.6s ease;
}
.badge-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--accent-green);
    box-shadow: 0 0 12px var(--accent-green);
    animation: pulse 2s infinite;
}
.hero-title {
    font-size: clamp(40px, 6vw, 80px);
    font-weight: 900; line-height: 1.05;
    letter-spacing: -2px;
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease 0.1s both;
}
.hero-subtitle {
    font-size: clamp(16px, 2vw, 20px);
    color: var(--text-secondary);
    max-width: 640px; margin: 0 auto 40px;
    line-height: 1.6;
    animation: fadeInUp 0.6s ease 0.2s both;
}
.hero-cta {
    display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
    animation: fadeInUp 0.6s ease 0.3s both;
}

/* Hero Dashboard Mockup */
.hero-dashboard {
    margin-top: 64px;
    animation: fadeInUp 0.8s ease 0.5s both;
}
.dashboard-frame {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card), var(--shadow-glow);
    max-width: 960px; margin: 0 auto;
}
.dashboard-topbar {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 16px;
    background: rgba(255,255,255,0.03);
    border-bottom: 1px solid var(--border-color);
}
.topbar-dots { display: flex; gap: 6px; }
.topbar-dots .dot { width: 10px; height: 10px; border-radius: 50%; }
.dot.red { background: #EF4444; }
.dot.yellow { background: #F59E0B; }
.dot.green { background: #10B981; }
.topbar-title { font-size: 12px; color: var(--text-muted); margin-left: 8px; }
.dashboard-body { display: flex; min-height: 320px; }
.dash-sidebar {
    width: 180px; padding: 16px 12px;
    border-right: 1px solid var(--border-color);
    background: rgba(255,255,255,0.01);
}
.dash-sidebar-item {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 12px; border-radius: var(--radius-sm);
    font-size: 13px; color: var(--text-muted);
    cursor: default; margin-bottom: 4px; transition: all 0.2s;
}
.dash-sidebar-item.active {
    background: rgba(124,58,237,0.1); color: #C4B5FD;
}
.dash-main { flex: 1; padding: 20px; }
.dash-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 20px; }
.dash-stat-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm); padding: 14px;
}
.stat-label { font-size: 11px; color: var(--text-muted); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.5px; }
.stat-value { font-size: 22px; font-weight: 800; margin-bottom: 4px; }
.stat-change { font-size: 11px; font-weight: 600; }
.stat-change.positive { color: var(--accent-green); }
.dash-workflow {
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm); padding: 16px;
}
.workflow-title { font-size: 13px; font-weight: 600; margin-bottom: 16px; }
.workflow-steps { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.workflow-step {
    display: flex; align-items: center; gap: 8px;
    padding: 8px 14px; border-radius: var(--radius-sm);
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-color);
}
.workflow-step.active {
    border-color: rgba(124,58,237,0.3);
    background: rgba(124,58,237,0.06);
}
.step-icon { font-size: 18px; }
.step-name { font-size: 12px; font-weight: 600; }
.step-status { font-size: 10px; color: var(--accent-green); font-weight: 500; }
.workflow-arrow { color: var(--text-muted); font-size: 16px; }

/* === SECTION COMMON === */
.section-header { text-align: center; margin-bottom: 64px; }
.section-label {
    display: inline-block; font-size: 12px; font-weight: 700;
    text-transform: uppercase; letter-spacing: 2px;
    color: var(--accent-purple); margin-bottom: 16px;
}
.section-title {
    font-size: clamp(28px, 4vw, 48px);
    font-weight: 800; letter-spacing: -1px;
    margin-bottom: 16px;
}
.section-subtitle {
    font-size: clamp(15px, 1.8vw, 18px);
    color: var(--text-secondary); max-width: 600px; margin: 0 auto;
    line-height: 1.7;
}

/* === FEATURES === */
.features { padding: 120px 0; }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: all 0.4s ease;
    position: relative; overflow: hidden;
}
.feature-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0;
    height: 2px; background: var(--gradient-primary);
    opacity: 0; transition: opacity 0.4s ease;
}
.feature-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-card);
}
.feature-card:hover::before { opacity: 1; }
.feature-icon-wrap {
    width: 64px; height: 64px; border-radius: var(--radius-md);
    background: rgba(124,58,237,0.08);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 24px;
}
.feature-card-title {
    font-size: 22px; font-weight: 700;
    margin-bottom: 12px;
}
.feature-card-desc {
    font-size: 15px; color: var(--text-secondary);
    line-height: 1.7; margin-bottom: 20px;
}
.feature-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.feature-tag {
    padding: 4px 12px; border-radius: 100px;
    background: rgba(124,58,237,0.08);
    border: 1px solid rgba(124,58,237,0.15);
    font-size: 12px; color: #C4B5FD; font-weight: 500;
}

/* === SHOWCASE === */
.showcase { padding: 120px 0; background: var(--bg-secondary); }
.showcase-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    grid-template-rows: auto auto;
    gap: 20px;
}
.showcase-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.3s ease;
}
.showcase-card:hover { border-color: var(--border-hover); transform: translateY(-2px); }
.showcase-card-large { grid-row: span 2; }
.showcase-video { position: relative; }
.video-placeholder { position: relative; overflow: hidden; }
.video-thumb {
    width: 100%; aspect-ratio: 9/16; min-height: 200px;
    display: flex; align-items: center; justify-content: center;
    position: relative;
}
.showcase-card-large .video-thumb { aspect-ratio: auto; min-height: 480px; }
.play-btn {
    width: 64px; height: 64px; border-radius: 50%;
    background: rgba(0,0,0,0.5);
    display: flex; align-items: center; justify-content: center;
    transition: transform 0.3s ease;
    opacity: 0.9;
}
.showcase-card:hover .play-btn { transform: scale(1.1); opacity: 1; }
.video-overlay {
    position: absolute; bottom: 12px; left: 12px; right: 12px;
    display: flex; justify-content: space-between; align-items: center;
}
.video-badge {
    background: var(--accent-red); color: white;
    padding: 4px 10px; border-radius: 100px;
    font-size: 11px; font-weight: 600;
}
.video-views {
    background: rgba(0,0,0,0.6); color: white;
    padding: 4px 10px; border-radius: 100px;
    font-size: 11px; font-weight: 600;
}
.showcase-info { padding: 14px 16px; }
.showcase-info h4 { font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.showcase-info p { font-size: 12px; color: var(--text-muted); }

/* === TESTIMONIALS === */
.testimonials { padding: 120px 0; }
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: all 0.3s ease;
}
.testimonial-card:hover { border-color: var(--border-hover); transform: translateY(-2px); }
.testimonial-card:nth-child(4),
.testimonial-card:nth-child(5) {
    grid-column: span 1;
}
.testimonial-header { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.testimonial-avatar {
    width: 44px; height: 44px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 16px; color: white; flex-shrink: 0;
}
.testimonial-name { font-size: 14px; font-weight: 600; }
.testimonial-role { font-size: 12px; color: var(--text-muted); }
.testimonial-text {
    font-size: 14px; color: var(--text-secondary);
    line-height: 1.7; margin-bottom: 16px;
}
.testimonial-stat {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 6px 14px; border-radius: 100px;
    background: rgba(16,185,129,0.08);
    border: 1px solid rgba(16,185,129,0.15);
    font-size: 13px; color: var(--text-secondary);
}
.stat-highlight { font-weight: 800; color: var(--accent-green); font-size: 15px; }

/* === PRICING === */
.pricing { padding: 120px 0; background: var(--bg-secondary); }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: start; }
.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 36px 28px;
    transition: all 0.3s ease;
    position: relative;
}
.pricing-card:hover { border-color: var(--border-hover); }
.pricing-card-popular {
    border-color: rgba(124,58,237,0.3);
    box-shadow: 0 0 60px rgba(124,58,237,0.1);
    transform: scale(1.03);
}
.pricing-card-popular:hover { transform: scale(1.05); }
.popular-badge {
    position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white; padding: 6px 20px; border-radius: 100px;
    font-size: 12px; font-weight: 700; letter-spacing: 0.5px;
    white-space: nowrap;
}
.pricing-header { text-align: center; margin-bottom: 28px; padding-bottom: 28px; border-bottom: 1px solid var(--border-color); }
.pricing-plan-icon {
    width: 48px; height: 48px; border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 16px;
}
.pricing-plan-name { font-size: 18px; font-weight: 700; margin-bottom: 12px; }
.pricing-amount { margin-bottom: 8px; }
.pricing-currency { font-size: 20px; font-weight: 700; color: var(--text-secondary); vertical-align: top; }
.pricing-value { font-size: 48px; font-weight: 900; letter-spacing: -2px; }
.pricing-period { font-size: 14px; color: var(--text-muted); display: block; margin-top: -4px; }
.pricing-desc { font-size: 13px; color: var(--text-muted); }
.pricing-features { list-style: none; margin-bottom: 28px; }
.pricing-features li {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 0;
    font-size: 14px; color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}
.pricing-features li:last-child { border-bottom: none; }
.pricing-note {
    text-align: center; margin-top: 32px;
    font-size: 13px; color: var(--text-muted);
}

/* === FINAL CTA === */
.final-cta {
    position: relative; padding: 120px 0; text-align: center;
    overflow: hidden;
}
.cta-bg { position: absolute; inset: 0; pointer-events: none; }
.cta-glow {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: 800px; height: 400px; border-radius: 50%;
    background: var(--accent-purple); filter: blur(200px); opacity: 0.15;
}
.cta-content { position: relative; z-index: 1; }
.cta-title {
    font-size: clamp(36px, 5vw, 72px);
    font-weight: 900; letter-spacing: -2px;
    margin-bottom: 24px;
}
.cta-subtitle {
    font-size: clamp(15px, 1.8vw, 20px);
    color: var(--text-secondary); max-width: 560px;
    margin: 0 auto 40px; line-height: 1.7;
}

/* === FOOTER === */
.footer {
    padding: 64px 0 32px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px; margin-bottom: 48px;
}
.footer-brand .nav-logo { margin-bottom: 16px; }
.footer-tagline { font-size: 14px; color: var(--text-muted); line-height: 1.6; }
.footer-links h4 { font-size: 13px; font-weight: 700; margin-bottom: 16px; text-transform: uppercase; letter-spacing: 1px; }
.footer-links a {
    display: block; padding: 6px 0; font-size: 14px;
    color: var(--text-muted); transition: color 0.2s;
}
.footer-links a:hover { color: var(--text-primary); }
.footer-bottom {
    display: flex; justify-content: space-between; align-items: center;
    padding-top: 24px; border-top: 1px solid var(--border-color);
}
.footer-bottom p { font-size: 13px; color: var(--text-muted); }
.footer-socials { display: flex; gap: 16px; }
.footer-socials a {
    color: var(--text-muted); transition: color 0.2s;
}
.footer-socials a:hover { color: var(--text-primary); }

/* === ANIMATIONS === */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}
[data-aos] { opacity: 0; transform: translateY(24px); transition: all 0.6s ease; }
[data-aos].aos-animate { opacity: 1; transform: translateY(0); }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .features-grid { grid-template-columns: 1fr 1fr; }
    .pricing-grid { grid-template-columns: 1fr 1fr; }
    .pricing-card-popular { transform: none; }
    .pricing-card-popular:hover { transform: translateY(-4px); }
    .showcase-grid { grid-template-columns: 1fr 1fr; }
    .showcase-card-large { grid-row: span 1; }
    .showcase-card-large .video-thumb { min-height: 320px; }
    .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
    .footer-grid .footer-links:last-child { grid-column: span 1; }
}
@media (max-width: 768px) {
    .nav-links, .nav-actions { display: none; }
    .mobile-toggle { display: flex; }
    .features-grid { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
    .testimonials-grid { grid-template-columns: 1fr; }
    .showcase-grid { grid-template-columns: 1fr; }
    .showcase-card-large .video-thumb { min-height: 280px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .footer-brand { grid-column: span 2; }
    .footer-bottom { flex-direction: column; gap: 16px; }
    .dash-sidebar { display: none; }
    .dash-stats { grid-template-columns: repeat(2, 1fr); }
    .workflow-steps { flex-direction: column; align-items: stretch; }
    .workflow-arrow { transform: rotate(90deg); text-align: center; }
    .hero-title { letter-spacing: -1px; }
}
@media (max-width: 480px) {
    .hero { padding-top: 100px; }
    .hero-cta { flex-direction: column; align-items: center; }
    .hero-cta .btn { width: 100%; justify-content: center; }
    .dash-stats { grid-template-columns: 1fr 1fr; }
    .pricing-card { padding: 24px 20px; }
}