/* Seismosys Technologies - Unified Design System Stylesheet */

:root {
  --bg-primary: #080C16;
  --bg-secondary: #0F172A;
  --bg-tertiary: #1E293B;
  --bg-card: rgba(15, 23, 42, 0.85);
  
  --accent-cyan: #00F0FF;
  --accent-cyan-glow: rgba(0, 240, 255, 0.35);
  --accent-amber: #FFB703;
  --accent-blue: #3B82F6;
  --accent-emerald: #10B981;
  
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --border-subtle: rgba(255, 255, 255, 0.1);
  --border-glow: rgba(0, 240, 255, 0.3);
  
  --font-sans: 'SF Pro Text', 'SF Pro Icons', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-heading: 'SF Pro Display', 'SF Pro Icons', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  
  --shadow-glow: 0 0 30px rgba(0, 240, 255, 0.15);
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
  --bg-primary: #F8FAFC;
  --bg-secondary: #FFFFFF;
  --bg-tertiary: #F1F5F9;
  --bg-card: #FFFFFF;
  
  --accent-cyan: #0284C7;
  --accent-cyan-glow: rgba(2, 132, 199, 0.2);
  --accent-amber: #D97706;
  --accent-blue: #2563EB;
  --accent-emerald: #059669;
  
  --text-main: #0F172A;
  --text-muted: #475569;
  --border-subtle: rgba(15, 23, 42, 0.12);
  --border-glow: rgba(2, 132, 199, 0.35);
  
  --shadow-glow: 0 0 30px rgba(2, 132, 199, 0.15);
  --shadow-card: 0 10px 30px -10px rgba(15, 23, 42, 0.08);
}

[data-theme="light"] body {
  background: #F8FAFC !important;
  color: #0F172A !important;
}

[data-theme="light"] header {
  background: rgba(255, 255, 255, 0.95) !important;
  border-bottom-color: rgba(15, 23, 42, 0.1) !important;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.05) !important;
}

[data-theme="light"] .nav-link {
  color: #334155 !important;
}
[data-theme="light"] .nav-link:hover,
[data-theme="light"] .nav-link.active {
  color: #0284C7 !important;
}

[data-theme="light"] h1, 
[data-theme="light"] h2, 
[data-theme="light"] h3, 
[data-theme="light"] h4, 
[data-theme="light"] h5, 
[data-theme="light"] h6 {
  color: #0F172A !important;
}

[data-theme="light"] p {
  color: #334155 !important;
}

[data-theme="light"] [style*="color: #FFF"],
[data-theme="light"] [style*="color: #fff"],
[data-theme="light"] [style*="color: #FFFFFF"],
[data-theme="light"] [style*="color:#FFF"],
[data-theme="light"] [style*="color:#fff"] {
  color: #0F172A !important;
}

[data-theme="light"] [style*="color: #94A3B8"],
[data-theme="light"] [style*="color: #CBD5E1"],
[data-theme="light"] [style*="color:#94A3B8"],
[data-theme="light"] [style*="color:#CBD5E1"] {
  color: #475569 !important;
}

[data-theme="light"] .glass-card {
  background: #FFFFFF !important;
  border-color: rgba(2, 132, 199, 0.2) !important;
  box-shadow: 0 8px 25px rgba(15, 23, 42, 0.08) !important;
}

[data-theme="light"] section {
  background: #F8FAFC !important;
}

[data-theme="light"] section[style*="radial-gradient"] {
  background: radial-gradient(circle at 50% 20%, rgba(2,132,199,0.1) 0%, rgba(248,250,252,1) 70%) !important;
}

[data-theme="light"] section[style*="background: rgba(8, 12, 22"],
[data-theme="light"] section[style*="background: rgba(8,12,22"] {
  background: #F1F5F9 !important;
}

[data-theme="light"] [style*="background: rgba(255,255,255,0.04)"],
[data-theme="light"] [style*="background: rgba(255, 255, 255, 0.04)"] {
  background: #F1F5F9 !important;
  color: #0F172A !important;
}

[data-theme="light"] footer {
  background: #E2E8F0 !important;
  border-top-color: rgba(15, 23, 42, 0.1) !important;
  color: #334155 !important;
}

[data-theme="light"] footer span, 
[data-theme="light"] footer p, 
[data-theme="light"] footer a,
[data-theme="light"] footer div {
  color: #334155 !important;
}

[data-theme="light"] footer a[style*="color: #00F0FF"] {
  color: #0284C7 !important;
}

[data-theme="light"] .gradient-text {
  background: linear-gradient(135deg, #0F172A 0%, #0284C7 60%, #2563EB 100%) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
}

[data-theme="light"] .btn-primary {
  background: linear-gradient(135deg, #0284C7 0%, #2563EB 100%) !important;
  color: #FFFFFF !important;
  box-shadow: 0 4px 15px rgba(2, 132, 199, 0.3) !important;
}

[data-theme="light"] .btn-secondary {
  background: #F1F5F9 !important;
  color: #0F172A !important;
  border-color: #CBD5E1 !important;
}
[data-theme="light"] .btn-secondary:hover {
  background: #E2E8F0 !important;
  color: #0284C7 !important;
}

[data-theme="light"] .badge-cyan {
  background: rgba(2, 132, 199, 0.1) !important;
  color: #0284C7 !important;
  border-color: rgba(2, 132, 199, 0.3) !important;
}

[data-theme="light"] .badge-amber {
  background: rgba(217, 119, 6, 0.1) !important;
  color: #D97706 !important;
  border-color: rgba(217, 119, 6, 0.3) !important;
}

[data-theme="light"] ul, 
[data-theme="light"] li {
  color: #334155 !important;
}

[data-theme="light"] strong {
  color: #0F172A !important;
}

[data-theme="light"] input,
[data-theme="light"] select,
[data-theme="light"] textarea {
  background: #FFFFFF !important;
  color: #0F172A !important;
  border-color: #CBD5E1 !important;
}

[data-theme="light"] #themeToggle {
  background: rgba(0, 0, 0, 0.06) !important;
  border-color: rgba(0, 0, 0, 0.12) !important;
  color: #D97706 !important;
}

* { 
  margin: 0; padding: 0; box-sizing: border-box;
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html { 
  scroll-behavior: smooth; 
  font-family: var(--font-sans); 
  background: var(--bg-primary); 
  color: var(--text-main); 
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body, p, span, li, a, button, input, select, textarea {
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 { 
  font-family: var(--font-heading) !important; 
  letter-spacing: -0.025em !important; 
  font-weight: 700 !important; 
  line-height: 1.15 !important;
  -webkit-font-smoothing: antialiased !important;
  -moz-osx-font-smoothing: grayscale !important;
}

.gradient-text {
  background: linear-gradient(135deg, #FFFFFF 0%, var(--accent-cyan) 60%, var(--accent-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
}
.glass-card:hover { border-color: var(--border-glow); box-shadow: var(--shadow-glow), var(--shadow-card); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.75rem 1.5rem; font-size: 0.95rem; font-weight: 600;
  border-radius: var(--radius-sm); cursor: pointer; transition: all 0.2s ease;
  border: none; text-decoration: none; font-family: var(--font-heading); white-space: nowrap;
}
.btn-primary { background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-blue) 100%); color: #080C16; box-shadow: 0 4px 20px var(--accent-cyan-glow); }
.btn-primary:hover { transform: translateY(-2px); filter: brightness(1.1); }
.btn-secondary { background: rgba(255, 255, 255, 0.06); color: var(--text-main); border: 1px solid var(--border-subtle); }
.btn-secondary:hover { background: rgba(255, 255, 255, 0.12); border-color: var(--accent-cyan); color: var(--accent-cyan); }
.btn-lg { padding: 1rem 2rem; font-size: 1.05rem; border-radius: var(--radius-md); }
.btn-sm { padding: 0.4rem 0.9rem; font-size: 0.85rem; }

.container { max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 6rem 0; position: relative; }
.section-header { text-align: center; max-width: 760px; margin: 0 auto 4rem auto; }

.section-badge {
  display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.35rem 0.9rem;
  background: rgba(0, 240, 255, 0.1); border: 1px solid rgba(0, 240, 255, 0.25);
  border-radius: 999px; color: var(--accent-cyan); font-size: 0.8rem; font-weight: 700;
  letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: 1rem;
}

.badge { 
  display: inline-block; 
  padding: 0.35rem 0.8rem !important; 
  font-size: 0.88rem !important; 
  font-weight: 700 !important; 
  font-family: var(--font-heading) !important;
  letter-spacing: 0.04em !important;
  border-radius: 6px; 
  background: rgba(255, 255, 255, 0.08); 
  border: 1px solid var(--border-subtle); 
  color: var(--text-muted); 
}
.badge-cyan { background: rgba(0, 240, 255, 0.15); color: var(--accent-cyan); border-color: rgba(0, 240, 255, 0.3); }
.badge-amber { background: rgba(255, 183, 3, 0.15); color: var(--accent-amber); border-color: rgba(255, 183, 3, 0.3); }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

@media (max-width: 1024px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.nav-link { color: #CBD5E1; text-decoration: none; font-size: 0.95rem; font-weight: 500; transition: color 0.2s; }
.nav-link:hover, .nav-link.active { color: var(--accent-cyan); font-weight: 700; }