/* =========================================
   Kilroy Design System — style.css
   ========================================= */

:root {
  --bg-base: #060912;
  --bg-surface: #0d1320;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.18);
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #475569;
  --accent-indigo: #6366f1;
  --accent-violet: #8b5cf6;
  --accent-cyan: #22d3ee;
  --accent-green: #10b981;
  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 60%, #22d3ee 100%);
  --gradient-subtle: linear-gradient(135deg, rgba(99,102,241,0.2), rgba(139,92,246,0.2));
  --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.15);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --radius: 12px;
  --radius-lg: 20px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.gradient-border {
  position: relative;
}
.gradient-border::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--gradient-primary);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* ── Layout ── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

.section-sm {
  padding: 64px 0;
}

/* ── Typography ── */
.display-xl {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.display-lg {
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.display-md {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-indigo);
}

.lead {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ── Navigation ── */
.nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(6, 9, 18, 0.85);
}

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

.nav-logo {
  font-size: 1.35rem;
  font-weight: 800;
  text-decoration: none;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

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

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5);
}

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

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255,255,255,0.3);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 10px 16px;
}

.btn-ghost:hover { color: var(--text-primary); }

.btn-lg {
  padding: 14px 32px;
  font-size: 1rem;
  border-radius: 10px;
}

/* ── Cards ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all 0.25s;
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.card-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 1.25rem;
}

.icon-indigo { background: rgba(99, 102, 241, 0.15); }
.icon-violet { background: rgba(139, 92, 246, 0.15); }
.icon-cyan   { background: rgba(34, 211, 238, 0.15); }
.icon-green  { background: rgba(16, 185, 129, 0.15); }
.icon-rose   { background: rgba(244, 63, 94, 0.15); }
.icon-amber  { background: rgba(245, 158, 11, 0.15); }

/* ── Badges ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 99px;
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid;
}

.badge-indigo {
  color: #a5b4fc;
  background: rgba(99,102,241,0.12);
  border-color: rgba(99,102,241,0.3);
}

.badge-cyan {
  color: #67e8f9;
  background: rgba(34,211,238,0.12);
  border-color: rgba(34,211,238,0.3);
}

.badge-green {
  color: #6ee7b7;
  background: rgba(16,185,129,0.12);
  border-color: rgba(16,185,129,0.3);
}

.badge-amber {
  color: #fcd34d;
  background: rgba(245,158,11,0.12);
  border-color: rgba(245,158,11,0.3);
}

/* ── Hero Backgrounds ── */
.hero-bg {
  background:
    radial-gradient(ellipse 900px 700px at 15% 50%, rgba(99, 102, 241, 0.13), transparent),
    radial-gradient(ellipse 700px 500px at 85% 20%, rgba(139, 92, 246, 0.1), transparent),
    radial-gradient(ellipse 600px 400px at 60% 85%, rgba(34, 211, 238, 0.08), transparent),
    var(--bg-base);
}

.hero-bg-enterprise {
  background:
    radial-gradient(ellipse 800px 600px at 20% 40%, rgba(34, 211, 238, 0.1), transparent),
    radial-gradient(ellipse 600px 400px at 80% 70%, rgba(16, 185, 129, 0.08), transparent),
    var(--bg-base);
}

.hero-bg-community {
  background:
    radial-gradient(ellipse 800px 600px at 30% 50%, rgba(139, 92, 246, 0.12), transparent),
    radial-gradient(ellipse 600px 400px at 75% 25%, rgba(34, 211, 238, 0.08), transparent),
    var(--bg-base);
}

.hero-bg-biz {
  background:
    radial-gradient(ellipse 800px 600px at 25% 45%, rgba(16, 185, 129, 0.1), transparent),
    radial-gradient(ellipse 600px 400px at 80% 60%, rgba(99, 102, 241, 0.1), transparent),
    var(--bg-base);
}

.hero-bg-tinkerer {
  background:
    radial-gradient(ellipse 800px 600px at 20% 50%, rgba(245, 158, 11, 0.08), transparent),
    radial-gradient(ellipse 600px 400px at 80% 30%, rgba(99, 102, 241, 0.12), transparent),
    var(--bg-base);
}

.dot-grid::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

/* ── Section Headers ── */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 64px;
}

.section-header .eyebrow {
  margin-bottom: 12px;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ── Grid Layouts ── */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

/* ── Feature List ── */
.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.feature-list li::before {
  content: '✓';
  color: var(--accent-indigo);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ── Comparison Table ── */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.comparison-table th {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.comparison-table th:first-child {
  width: 35%;
}

.comparison-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  color: var(--text-secondary);
}

.comparison-table td:first-child {
  color: var(--text-primary);
  font-weight: 500;
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.compare-no  { color: #f43f5e !important; }
.compare-yes { color: #10b981 !important; font-weight: 600; }

/* ── CTA Section ── */
.cta-section {
  background: var(--gradient-subtle);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-lg);
  padding: 80px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 800px 400px at 50% 50%, rgba(99,102,241,0.1), transparent);
  pointer-events: none;
}

/* ── Problem Cards ── */
.problem-card {
  background: rgba(244, 63, 94, 0.04);
  border: 1px solid rgba(244, 63, 94, 0.15);
  border-radius: var(--radius);
  padding: 32px;
  transition: all 0.25s;
}

.problem-card:hover {
  background: rgba(244, 63, 94, 0.07);
  border-color: rgba(244, 63, 94, 0.25);
}

/* ── Announcement Bar ── */
.announcement-bar {
  background: linear-gradient(90deg, rgba(99,102,241,0.15), rgba(139,92,246,0.15), rgba(34,211,238,0.15));
  border-bottom: 1px solid var(--border);
  padding: 10px 24px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.announcement-bar a {
  color: #a5b4fc;
  font-weight: 600;
  text-decoration: none;
  margin-left: 6px;
}

.announcement-bar a:hover { text-decoration: underline; }

/* ── Stat Cards ── */
.stat-card {
  text-align: center;
  padding: 32px 24px;
}

.stat-number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* ── Footer ── */
.footer {
  border-top: 1px solid var(--border);
  padding: 64px 0 40px;
  background: var(--bg-surface);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.875rem;
  max-width: 280px;
  margin-top: 12px;
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-col a:hover { color: var(--text-primary); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ── Mobile Menu ── */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 64px 0 0;
  background: rgba(6, 9, 18, 0.98);
  backdrop-filter: blur(20px);
  padding: 24px;
  z-index: 99;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
}

.mobile-menu.open { display: flex; }

.mobile-menu a {
  display: block;
  padding: 14px 16px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  border-radius: 8px;
  transition: all 0.2s;
}

.mobile-menu a:hover {
  color: var(--text-primary);
  background: var(--bg-card);
}

.menu-icon {
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.menu-icon span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .nav-links, .nav-cta { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .cta-section { padding: 48px 24px; }
  .hero-btns { flex-direction: column; align-items: stretch; }
  .hero-btns .btn { text-align: center; justify-content: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* ── Animations ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(99,102,241,0.2); }
  50%       { box-shadow: 0 0 40px rgba(99,102,241,0.4); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

.animate-fade-up {
  animation: fadeUp 0.6s ease forwards;
}

.animate-delay-1 { animation-delay: 0.1s; opacity: 0; }
.animate-delay-2 { animation-delay: 0.2s; opacity: 0; }
.animate-delay-3 { animation-delay: 0.3s; opacity: 0; }
.animate-delay-4 { animation-delay: 0.4s; opacity: 0; }

/* ── Audience Selector Cards ── */
.audience-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-decoration: none;
  color: inherit;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.audience-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.3s;
}

.audience-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(99, 102, 241, 0.3);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4), 0 0 40px rgba(99,102,241,0.08);
}

.audience-card:hover::after {
  transform: scaleX(1);
}

.audience-card .emoji {
  font-size: 2.25rem;
  margin-bottom: 16px;
  display: block;
}

.audience-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.audience-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.audience-card .arrow {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 16px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-indigo);
  transition: gap 0.2s;
}

.audience-card:hover .arrow { gap: 8px; }

/* ── Pillar Cards ── */
.pillar-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: all 0.25s;
}

.pillar-card:hover {
  border-color: rgba(99, 102, 241, 0.25);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

/* ── Tag ── */
.tag {
  display: inline-block;
  padding: 3px 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 99px;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* ── Divider ── */
.divider {
  height: 1px;
  background: var(--border);
  margin: 0;
}

/* Dropdown nav */
.nav-dropdown { position: relative; }
.nav-dropdown > a { display: flex; align-items: center; gap: 4px; }
.nav-dropdown > a::after { content: '▾'; font-size: 0.7rem; opacity: 0.6; }
.nav-dropdown-menu {
  position: absolute; top: calc(100% + 12px); left: 50%; transform: translateX(-50%);
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px;
  padding: 8px; min-width: 200px; opacity: 0; visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s; z-index: 100;
  box-shadow: 0 16px 40px rgba(0,0,0,0.4);
}
.nav-dropdown:hover .nav-dropdown-menu { opacity: 1; visibility: visible; }
.nav-dropdown-menu a {
  display: block; padding: 8px 14px; border-radius: 8px; font-size: 0.85rem;
  color: var(--text-secondary); text-decoration: none; transition: all 0.15s;
}
.nav-dropdown-menu a:hover { background: var(--bg-card-hover); color: var(--text-primary); }

/* ─── Video & Screenshot Placeholders ───────── */
.video-placeholder-wrap {
  position: relative;
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(99,102,241,0.3);
  box-shadow: 0 0 80px rgba(99,102,241,0.12), 0 32px 80px rgba(0,0,0,0.5);
}
.video-placeholder {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  background: linear-gradient(135deg, #0a0f1e 0%, rgba(99,102,241,0.07) 50%, rgba(34,211,238,0.04) 100%);
  overflow: hidden;
}
.video-placeholder::before {
  content: '';
  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: 52px 52px;
}
.video-placeholder-inner {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  z-index: 1;
}
.play-btn {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background: rgba(99,102,241,0.15);
  border: 2px solid rgba(165,180,252,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: all 0.25s;
  animation: pulse-glow 3s infinite;
  cursor: pointer;
}
.play-btn:hover {
  background: rgba(99,102,241,0.3);
  border-color: rgba(165,180,252,0.9);
  transform: scale(1.08);
}
.play-btn::after {
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 13px 0 13px 22px;
  border-color: transparent transparent transparent #a5b4fc;
  margin-left: 6px;
}
.video-placeholder-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  letter-spacing: 0.03em;
  text-align: center;
  line-height: 1.8;
}
.screenshot-placeholder {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, rgba(13,19,32,1) 0%, rgba(99,102,241,0.05) 100%);
  border: 1px dashed rgba(255,255,255,0.12);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: 0.8rem;
  overflow: hidden;
}
.screenshot-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 36px 36px;
}
.screenshot-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 32px;
}
.screenshot-strip .screenshot-placeholder { aspect-ratio: 4/3; }
@media (max-width: 768px) {
  .screenshot-strip { grid-template-columns: 1fr; }
  .video-placeholder-wrap { border-radius: 12px; }
}