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

:root {
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-card: #161616;
  --bg-elevated: #1c1c1c;
  --text-primary: #f5f5f5;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --accent: #2dd4bf;
  --accent-light: #5eead4;
  --accent-dark: #14b8a6;
  --accent-glow: rgba(45, 212, 191, 0.22);
  --border: #27272a;
  --border-strong: #3f3f46;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.4);
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.5);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.6);
  --shadow-glow: 0 0 30px var(--accent-glow);
  --radius: 0.75rem;
  --radius-lg: 1rem;
  --max-width: 1200px;
  --nav-height: 72px;
}

[data-theme="light"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f4f4f5;
  --bg-card: #ffffff;
  --bg-elevated: #f4f4f5;
  --text-primary: #18181b;
  --text-secondary: #52525b;
  --text-muted: #a1a1aa;
  --accent: #0d9488;
  --accent-light: #14b8a6;
  --accent-dark: #0f766e;
  --accent-glow: rgba(13, 148, 136, 0.18);
  --border: #e4e4e7;
  --border-strong: #d4d4d8;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.08);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-family: var(--font-sans); background: var(--bg-primary); color: var(--text-primary); transition: background .3s, color .3s; }
body { line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden; }

h1,h2,h3,h4,h5,h6 { font-weight: 700; line-height: 1.15; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.35rem); }

a { color: var(--accent); text-decoration: none; transition: color .2s; }
a:hover { color: var(--accent-light); }

.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 5rem 0; }
.section-header { text-align: center; margin-bottom: 3rem; }
.section-header h2 { margin-bottom: 0.75rem; }
.section-header p { color: var(--text-secondary); max-width: 600px; margin: 0 auto; font-size: 1.1rem; }

/* Navbar */
.navbar { position: fixed; top: 0; left: 0; right: 0; height: var(--nav-height); z-index: 1000; display: flex; align-items: center; border-bottom: 1px solid transparent; transition: background .3s, border-color .3s, backdrop-filter .3s; }
.navbar.scrolled { background: rgba(var(--bg-primary), 0.85); backdrop-filter: blur(12px); border-bottom-color: var(--border); background: var(--bg-card); }
.navbar .container { display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 0.75rem; font-weight: 800; font-size: 1.2rem; color: var(--text-primary); text-decoration: none; letter-spacing: -0.01em; }
.logo img { height: 38px; width: auto; border-radius: 0.5rem; }
.nav-links { display: flex; align-items: center; gap: 2rem; list-style: none; }
.nav-links a { color: var(--text-secondary); font-weight: 500; font-size: 0.9375rem; text-decoration: none; transition: color .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--accent); }
.nav-actions { display: flex; align-items: center; gap: 0.75rem; }
.btn-icon { background: none; border: 1px solid var(--border); color: var(--text-secondary); width: 40px; height: 40px; border-radius: var(--radius); display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all .2s; }
.btn-icon:hover { border-color: var(--accent); color: var(--accent); }
.mobile-menu-btn { display: none; flex-direction: column; gap: 4px; background: none; border: none; cursor: pointer; padding: 4px; }
.mobile-menu-btn span { display: block; width: 24px; height: 2px; background: var(--text-primary); transition: .3s; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.7rem 1.4rem; border-radius: var(--radius); font-weight: 600; font-size: 0.9375rem; text-decoration: none; border: none; cursor: pointer; transition: all .2s; }
.btn-primary { background: var(--accent); color: #000; box-shadow: 0 0 0 0 var(--accent-glow); font-weight: 700; }
.btn-primary:hover { background: var(--accent-light); box-shadow: var(--shadow-glow); transform: translateY(-1px); }
.btn-secondary { background: transparent; color: var(--text-primary); border: 1.5px solid var(--border-strong); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); background: var(--bg-elevated); }
.btn-ghost { background: transparent; color: var(--text-secondary); border: 1.5px solid var(--border); }
.btn-ghost:hover { color: var(--accent); border-color: var(--accent); }
.btn-lg { padding: 0.9rem 1.8rem; font-size: 1rem; }

/* Hero */
.hero { min-height: 100vh; display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; padding-top: var(--nav-height); }
.hero-bg { position: absolute; inset: 0; z-index: 0; background: radial-gradient(ellipse at 70% 0%, rgba(45,212,191,0.08) 0%, transparent 50%), radial-gradient(ellipse at 30% 100%, rgba(14,165,233,0.06) 0%, transparent 50%), var(--bg-primary); }
.hero .container { position: relative; z-index: 1; text-align: center; }
.hero-badge { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.4rem 1rem; background: var(--bg-card); border: 1px solid var(--border); border-radius: 100px; font-size: 0.875rem; font-weight: 500; color: var(--accent); margin-bottom: 1.5rem; box-shadow: var(--shadow-sm); font-family: var(--font-mono); letter-spacing: 0.02em; }
.hero h1 { margin-bottom: 1.25rem; max-width: 900px; margin-left: auto; margin-right: auto; }
.hero h1 span { background: linear-gradient(135deg, var(--accent) 0%, #0ea5e9 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-description { font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--text-secondary); max-width: 640px; margin: 0 auto 2rem; line-height: 1.7; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.75rem; justify-content: center; margin-bottom: 3rem; }
.hero-stats { display: flex; justify-content: center; gap: 3rem; margin-top: 3rem; flex-wrap: wrap; }
.stat { text-align: center; }
.stat-value { font-size: 1.6rem; font-weight: 800; color: var(--accent); font-family: var(--font-mono); }
.stat-label { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.25rem; text-transform: uppercase; letter-spacing: 0.05em; }

/* Cards */
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; }
.card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 2rem; transition: all .3s; position: relative; overflow: hidden; }
.card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--accent), #0ea5e9); opacity: 0; transition: opacity .3s; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg), 0 0 30px var(--accent-glow); border-color: var(--border-strong); }
.card:hover::before { opacity: 1; }
.card-icon { width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; background: var(--bg-elevated); border-radius: var(--radius); margin-bottom: 1.25rem; color: var(--accent); }
.card h3 { margin-bottom: 0.6rem; }
.card p { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.7; }

/* Mission */
.mission { background: var(--bg-secondary); position: relative; }
.mission-quote { max-width: 780px; margin: 0 auto; text-align: center; position: relative; z-index: 1; }
.mission-quote blockquote { font-size: clamp(1.15rem, 2.5vw, 1.45rem); font-weight: 500; line-height: 1.75; color: var(--text-primary); margin-bottom: 1.5rem; position: relative; }
.mission-quote blockquote::before { content: '"'; position: absolute; top: -2.5rem; left: -1rem; font-size: 5rem; color: var(--accent); opacity: 0.15; font-family: Georgia, serif; }
.mission-quote .author { color: var(--accent); font-weight: 700; font-size: 1rem; font-family: var(--font-mono); }

/* Footer */
.footer { background: var(--bg-secondary); border-top: 1px solid var(--border); padding: 4rem 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.footer-brand p { color: var(--text-secondary); margin-top: 0.75rem; font-size: 0.9rem; max-width: 280px; line-height: 1.6; }
.footer-links h4 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); margin-bottom: 1.25rem; font-weight: 700; }
.footer-links ul { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
.footer-links a { color: var(--text-secondary); font-size: 0.9rem; text-decoration: none; transition: color .2s; }
.footer-links a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 2rem; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.footer-bottom p { color: var(--text-muted); font-size: 0.8rem; }
.social-links { display: flex; gap: 0.75rem; }
.social-links a { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius); background: var(--bg-elevated); color: var(--text-secondary); transition: all .2s; border: 1px solid var(--border); }
.social-links a:hover { background: var(--accent); color: #000; border-color: var(--accent); }

/* Cookie */
.cookie-banner { position: fixed; bottom: 0; left: 0; right: 0; background: var(--bg-card); border-top: 1px solid var(--border); padding: 1.25rem; z-index: 9999; display: none; box-shadow: 0 -10px 40px rgba(0,0,0,0.3); }
.cookie-banner.active { display: block; }
.cookie-content { max-width: var(--max-width); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.cookie-text { flex: 1; min-width: 250px; }
.cookie-text h4 { font-size: 1rem; margin-bottom: 0.4rem; }
.cookie-text p { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.5; }
.cookie-actions { display: flex; gap: 0.75rem; flex-shrink: 0; }

/* Animations */
@keyframes float { 0%,100%{transform:translate(0,0)} 50%{transform:translate(20px,-20px)} }
.animate-on-scroll { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.animate-on-scroll.visible { opacity: 1; transform: translateY(0); }
.text-gradient { background: linear-gradient(135deg, var(--accent) 0%, #0ea5e9 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.text-center { text-align: center; }

/* Page Header */
.page-header { padding-top: calc(var(--nav-height) + 4rem); padding-bottom: 3rem; text-align: center; background: var(--bg-secondary); border-bottom: 1px solid var(--border); }
.page-header h1 { margin-bottom: 0.5rem; }
.page-header p { color: var(--text-secondary); max-width: 560px; margin: 0 auto; font-size: 1.1rem; }

/* Content Pages */
.content-page { padding: 3rem 0; max-width: 780px; margin: 0 auto; }
.content-page h2 { margin-top: 2.5rem; margin-bottom: 0.75rem; font-size: 1.4rem; }
.content-page h3 { margin-top: 1.75rem; margin-bottom: 0.6rem; font-size: 1.15rem; color: var(--accent); }
.content-page p { margin-bottom: 1rem; color: var(--text-secondary); line-height: 1.8; }
.content-page ul, .content-page ol { margin-bottom: 1rem; padding-left: 1.5rem; color: var(--text-secondary); line-height: 1.8; }
.content-page li { margin-bottom: 0.4rem; }
.content-page a { text-decoration: underline; text-underline-offset: 3px; }
.content-page strong { color: var(--text-primary); }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.contact-info h3 { margin-bottom: 1.25rem; }
.contact-method { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1.25rem; padding: 1.1rem; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); transition: all .2s; }
.contact-method:hover { border-color: var(--accent); box-shadow: var(--shadow); }
.contact-method-icon { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; background: var(--bg-elevated); border-radius: var(--radius); color: var(--accent); flex-shrink: 0; }
.contact-method-content h4 { margin-bottom: 0.15rem; font-size: 0.95rem; }
.contact-method-content p, .contact-method-content a { font-size: 0.9rem; color: var(--text-secondary); text-decoration: none; }
.contact-method-content a:hover { color: var(--accent); }

.form-group { margin-bottom: 1.1rem; }
.form-group label { display: block; margin-bottom: 0.4rem; font-size: 0.85rem; font-weight: 600; color: var(--text-primary); }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: 0.7rem 1rem; background: var(--bg-card); border: 1.5px solid var(--border); border-radius: var(--radius); color: var(--text-primary); font-family: inherit; font-size: 0.95rem; transition: border-color .2s, box-shadow .2s; }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.form-group textarea { min-height: 120px; resize: vertical; }

/* FAQ */
.faq-item { border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 0.75rem; overflow: hidden; background: var(--bg-card); }
.faq-question { width: 100%; padding: 1.1rem 1.25rem; background: none; border: none; text-align: left; display: flex; justify-content: space-between; align-items: center; cursor: pointer; color: var(--text-primary); font-weight: 600; font-size: 0.95rem; font-family: inherit; transition: background .2s; }
.faq-question:hover { background: var(--bg-elevated); }
.faq-icon { width: 20px; height: 20px; display: flex; align-items: center; justify-content: center; transition: transform .3s; color: var(--accent); flex-shrink: 0; margin-left: 1rem; }
.faq-item.active .faq-icon { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .35s ease, padding .35s; }
.faq-item.active .faq-answer { max-height: 500px; padding: 0 1.25rem 1.1rem; }
.faq-answer p { color: var(--text-secondary); line-height: 1.7; font-size: 0.95rem; }

/* Responsive */
@media (max-width: 768px) {
  .nav-links { display: none; position: absolute; top: var(--nav-height); left: 0; right: 0; background: var(--bg-card); flex-direction: column; padding: 1.5rem; border-bottom: 1px solid var(--border); gap: 1rem; }
  .nav-links.active { display: flex; }
  .mobile-menu-btn { display: flex; }
  .hero-stats { gap: 1.5rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .contact-grid { grid-template-columns: 1fr; }
  .cookie-content { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; width: 100%; }
  .hero-cta .btn { width: 100%; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

/* Disabled / Coming Soon states */
.btn-disabled,
a.btn-disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
  position: relative;
}
.link-disabled {
  color: var(--text-muted);
  cursor: not-allowed;
  pointer-events: none;
  text-decoration: none;
}
.coming-soon-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.15rem 0.45rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-muted);
  margin-left: 0.5rem;
  vertical-align: middle;
  font-family: var(--font-mono);
}