/*
 Theme Name: GPT-Hub24 V2
 Description: Voll ausgestaltetes One-Page-Theme für GPT-Hub24 KI-Systeme.
 Version: 2.0
 Author: GPT-Hub24
*/

:root {
  --bg: #05060a;
  --bg-alt: #0b0d13;
  --accent: #3cf5ff;
  --accent-soft: rgba(60,245,255,0.15);
  --accent-strong: #50ff9c;
  --text: #f5f7ff;
  --text-muted: #a7b0c5;
  --border-subtle: #1a1d26;
  --card-bg: #090b11;
  --danger: #ff4b6b;
  --shadow-soft: 0 18px 60px rgba(0,0,0,0.75);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-pill: 999px;
  --container-width: 1180px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", sans-serif;
  background: radial-gradient(circle at top, #151926 0, #05060a 55%);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

/* Layout */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(5,6,10,0.96), rgba(5,6,10,0.82));
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.header-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-orb {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 20%, #ffffff, #3cf5ff 35%, #151928 70%);
  box-shadow:
    0 0 25px rgba(60,245,255,0.7),
    0 0 60px rgba(80,255,156,0.55);
  position: relative;
  overflow: hidden;
}

.logo-orb::after {
  content: "";
  position: absolute;
  inset: 18%;
  border-radius: 50%;
  border: 2px solid rgba(5,6,10,0.9);
}

.logo-text-main {
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 13px;
  text-transform: uppercase;
}

.logo-text-sub {
  font-size: 11px;
  color: var(--text-muted);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 13px;
}

.header-nav a {
  color: var(--text-muted);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
}

.header-nav a:hover {
  color: var(--text);
  border-color: rgba(255,255,255,0.06);
  background: rgba(255,255,255,0.02);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 8px;
}

.badge-pill {
  border-radius: var(--radius-pill);
  border: 1px solid rgba(60,245,255,0.6);
  padding: 6px 12px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--accent);
  background: radial-gradient(circle at top left, rgba(60,245,255,0.16), rgba(5,6,10,0.9));
}

/* Main container */

main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 30px 18px 80px;
}

/* Hero */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.4fr);
  gap: 32px;
  margin-top: 28px;
  margin-bottom: 40px;
}

.hero-left {
  padding: 26px 26px 26px;
  border-radius: var(--radius-xl);
  background: radial-gradient(circle at top left, rgba(60,245,255,0.16), rgba(5,6,10,0.98));
  border: 1px solid rgba(255,255,255,0.06);
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
}

.hero-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
  align-items: center;
}

.hero-pill {
  font-size: 11px;
  border-radius: 999px;
  padding: 5px 11px;
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--text-muted);
  background: rgba(0,0,0,0.35);
}

.hero-pill strong {
  color: var(--accent);
}

.hero-headline {
  font-size: 30px;
  line-height: 1.15;
  margin: 0 0 10px;
}

.hero-headline span {
  background: linear-gradient(120deg, #3cf5ff, #50ff9c);
  -webkit-background-clip: text;
  color: transparent;
}

.hero-subline {
  font-size: 14px;
  color: var(--text-muted);
  max-width: 520px;
  margin-bottom: 20px;
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.btn-primary {
  border-radius: var(--radius-pill);
  padding: 9px 16px;
  border: none;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  background: linear-gradient(135deg, #3cf5ff, #50ff9c);
  color: #020308;
  box-shadow: 0 12px 35px rgba(60,245,255,0.35);
}

.btn-primary:hover {
  filter: brightness(1.08);
}

.btn-ghost {
  border-radius: var(--radius-pill);
  padding: 8px 14px;
  border: 1px solid rgba(255,255,255,0.09);
  background: rgba(2,3,8,0.8);
  color: var(--text-muted);
  font-size: 13px;
  cursor: pointer;
}

.hero-footnote {
  font-size: 11px;
  color: var(--text-muted);
}

.hero-footnote strong {
  color: var(--accent-strong);
}

/* Hero right visual */

.hero-right {
  border-radius: var(--radius-xl);
  background: radial-gradient(circle at top, rgba(60,245,255,0.12), rgba(5,6,10,0.96));
  border: 1px solid rgba(255,255,255,0.06);
  padding: 20px 20px 18px;
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
}

.hero-right-title {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 10px;
  display: flex;
  justify-content: space-between;
}

.hero-matrix {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.matrix-card {
  border-radius: 18px;
  padding: 10px 10px 9px;
  background: linear-gradient(145deg, rgba(8,10,20,0.95), rgba(10,14,28,0.98));
  border: 1px solid rgba(255,255,255,0.06);
  box-shadow: 0 12px 28px rgba(0,0,0,0.85);
}

.matrix-label {
  font-size: 10px;
  color: var(--text-muted);
}

.matrix-title {
  font-size: 13px;
  margin-top: 2px;
}

.matrix-tags {
  margin-top: 6px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.matrix-tag {
  font-size: 9px;
  padding: 2px 6px;
  border-radius: 999px;
  background: rgba(60,245,255,0.06);
  color: var(--accent);
}

.hero-kpi-row {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-muted);
}

.hero-kpi-row strong {
  color: var(--accent-strong);
}

/* Sections */

.section {
  margin-bottom: 46px;
}

.section-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 16px;
  align-items: baseline;
}

.section-kicker {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
}

.section-title {
  font-size: 20px;
  margin: 4px 0 0;
}

.section-desc {
  font-size: 13px;
  color: var(--text-muted);
}

/* Cards */

.card-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 16px;
}

.card-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 16px;
}

.card {
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(9,11,19,0.96), rgba(11,15,26,0.99));
  border: 1px solid rgba(255,255,255,0.06);
  padding: 14px 14px 13px;
  box-shadow: 0 14px 35px rgba(0,0,0,0.9);
}

.card h3 {
  margin: 0 0 6px;
  font-size: 15px;
}

.card p {
  margin: 0 0 8px;
  font-size: 13px;
  color: var(--text-muted);
}

.card ul {
  margin: 6px 0 0;
  padding-left: 18px;
  font-size: 12px;
  color: var(--text-muted);
}

/* Pricing */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 16px;
}

.price-card {
  border-radius: var(--radius-lg);
  padding: 16px 16px 14px;
  background: radial-gradient(circle at top, rgba(60,245,255,0.12), rgba(9,11,18,0.98));
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 16px 40px rgba(0,0,0,0.9);
}

.price-card.featured {
  border-color: var(--accent-strong);
  box-shadow: 0 18px 50px rgba(80,255,156,0.4);
}

.price-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.price-value {
  font-size: 22px;
  margin: 4px 0 4px;
}

.price-small {
  font-size: 12px;
  color: var(--text-muted);
}

/* Catalog */

.catalog-category {
  margin-bottom: 28px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.06);
  background: linear-gradient(135deg, rgba(7,9,16,0.98), rgba(10,12,20,0.98));
  padding: 14px 14px 12px;
}

.catalog-category-header {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: baseline;
}

.catalog-category h3 {
  margin: 0;
  font-size: 15px;
}

.catalog-category small {
  font-size: 11px;
  color: var(--text-muted);
}

.catalog-list {
  margin: 8px 0 0;
  padding-left: 18px;
  font-size: 12px;
  color: var(--text-muted);
}

.catalog-list li {
  margin-bottom: 4px;
}

.catalog-list b {
  color: var(--text);
}

/* Process */

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 16px;
}

.timeline-step {
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 12px 12px 11px;
  background: radial-gradient(circle at top, rgba(60,245,255,0.09), rgba(7,9,16,0.98));
}

.timeline-step h3 {
  margin: 0 0 4px;
  font-size: 13px;
}

.timeline-step p {
  margin: 0;
  font-size: 12px;
  color: var(--text-muted);
}

/* Kontakt */

.contact-wrap {
  display: grid;
  grid-template-columns: minmax(0,1.7fr) minmax(0,1.3fr);
  gap: 18px;
}

.contact-box, .contact-info-box {
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 16px 16px 14px;
  background: linear-gradient(145deg, rgba(9,11,18,0.98), rgba(7,9,14,0.98));
}

.contact-box label {
  display: block;
  font-size: 12px;
  margin-bottom: 4px;
}

.contact-box input, .contact-box textarea {
  width: 100%;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.12);
  background: #05060a;
  color: var(--text);
  padding: 7px 9px;
  font-size: 13px;
  margin-bottom: 8px;
}

.contact-box textarea {
  min-height: 80px;
  resize: vertical;
}

/* Footer */

.site-footer {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 16px 18px 20px;
  font-size: 11px;
  color: var(--text-muted);
  background: #020308;
}

/* Responsive */

@media (max-width: 960px) {
  .hero {
    grid-template-columns: minmax(0,1fr);
  }
  .card-grid-3, .pricing-grid, .timeline {
    grid-template-columns: minmax(0,1fr);
  }
  .contact-wrap {
    grid-template-columns: minmax(0,1fr);
  }
}

@media (max-width: 720px) {
  .header-inner {
    flex-wrap: wrap;
  }
  .header-nav {
    display: none;
  }
  main {
    padding-inline: 14px;
  }
}