/* === SRS Marketing Site — Clean Modern Dark === */

:root {
  --bg: #0b0d14;
  --bg-card: #12141e;
  --bg-secondary: #171b28;
  --text: #e8edf5;
  --text-dim: #8b92a5;
  --text-bright: #ffffff;
  --accent: #3b82f6;
  --border: #1e2235;
  --radius: 12px;
  --radius-sm: 8px;
}

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

html {
  scroll-behavior: smooth;
}

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

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 13, 20, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  line-height: 0;
}

.logo img {
  display: block;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
  background: var(--accent);
  color: white;
}

.btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-sm { padding: 8px 18px; font-size: 0.85rem; }
.btn-lg { padding: 14px 32px; font-size: 1rem; border-radius: var(--radius); }

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

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

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

/* Hero */
.hero {
  padding: 100px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at 30% 50%, rgba(59,130,246,0.06) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 50%, rgba(139,92,246,0.04) 0%, transparent 60%);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 32px;
  font-weight: 500;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-bright);
  max-width: 700px;
  margin: 0 auto 20px;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-dim);
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-bright);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-dim);
  font-weight: 500;
}

/* Sections */
.section {
  padding: 100px 0;
}

.section-dark {
  background: var(--bg-secondary);
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-bright);
  text-align: center;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-dim);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 60px;
  line-height: 1.7;
}

/* Product Grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all 0.25s;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--accent);
}

.card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

.card-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.card-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 10px;
}

.card-desc {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.6;
  margin-bottom: 16px;
}

.card-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.tag {
  display: inline-flex;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(255,255,255,0.05);
  color: var(--text-dim);
  border: 1px solid var(--border);
}

.tag-live {
  background: rgba(16,185,129,0.12);
  color: #10b981;
  border-color: rgba(16,185,129,0.25);
}

.tag-build {
  background: rgba(245,158,11,0.12);
  color: #f59e0b;
  border-color: rgba(245,158,11,0.25);
}

.card-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: opacity 0.2s;
}

.card-link:hover {
  opacity: 0.8;
}

.card-link.dim {
  color: var(--text-dim);
  font-weight: 500;
  cursor: default;
}

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
}

.pricing-card.featured {
  border-color: var(--accent);
  transform: scale(1.05);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: white;
  padding: 4px 16px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
}

.pricing-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 8px;
}

.pricing-price {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--text-bright);
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}

.pricing-period {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-dim);
}

.pricing-desc {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 24px;
  line-height: 1.5;
}

.pricing-features {
  list-style: none;
  margin-bottom: 28px;
  flex: 1;
}

.pricing-features li {
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--text);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.pricing-features li::before {
  content: '✓ ';
  color: #10b981;
  font-weight: 700;
}

/* Features List */
.features-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}

.feature-item h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 8px;
}

.feature-item p {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.6;
}

/* Contact */
.contact-grid {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
  max-width: 700px;
  margin: 0 auto;
}

.contact-card {
  flex: 1;
  min-width: 240px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  text-decoration: none;
  transition: all 0.2s;
}

.contact-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.contact-icon {
  font-size: 2rem;
  margin-bottom: 12px;
  display: block;
}

.contact-label {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 4px;
}

.contact-sub {
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* Footer */
.footer {
  padding: 48px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 32px;
}

.footer-text {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.footer-text a {
  color: var(--accent);
  text-decoration: none;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

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

/* Form Styles */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  transition: border 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
}

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

.footer-bottom {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-dim);
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

/* Responsive */
@media (max-width: 768px) {
  .hero-title { font-size: 2.4rem; }
  .hero-subtitle { font-size: 1rem; }
  .nav-links { display: none; }
  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-card.featured { transform: none; }
  .grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 24px; }
  .stat-num { font-size: 1.5rem; }
}