/* ============================================
   SEMCOG.ai — Global Styles
   Premium Dark Luxury Aesthetic
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&display=swap');

/* ============================================
   CSS Custom Properties
   ============================================ */
:root {
  /* Colors */
  --bg-primary: #0a0a0f;
  --bg-secondary: #0e0e16;
  --bg-card: #111118;
  --bg-card-hover: #16161f;
  --bg-glass: rgba(255, 255, 255, 0.03);
  --bg-glass-hover: rgba(255, 255, 255, 0.055);

  --accent-purple: #7c5cbf;
  --accent-purple-light: #9b7de0;
  --accent-purple-dim: rgba(124, 92, 191, 0.15);
  --accent-teal: #2dd4bf;
  --accent-teal-light: #5eead4;
  --accent-teal-dim: rgba(45, 212, 191, 0.12);
  --accent-gold: #c9a96e;
  --accent-gold-dim: rgba(201, 169, 110, 0.15);

  --text-primary: #f0eff8;
  --text-secondary: #a09fbc;
  --text-muted: #5e5d78;
  --text-accent: #9b7de0;

  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-card: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(124, 92, 191, 0.3);

  /* Gradients */
  --gradient-hero: radial-gradient(ellipse 80% 60% at 50% -20%, rgba(124, 92, 191, 0.18) 0%, transparent 60%),
                   radial-gradient(ellipse 60% 40% at 80% 50%, rgba(45, 212, 191, 0.07) 0%, transparent 50%),
                   linear-gradient(180deg, #0a0a0f 0%, #08080e 100%);
  --gradient-purple: linear-gradient(135deg, #7c5cbf, #5a3fa0);
  --gradient-teal: linear-gradient(135deg, #2dd4bf, #0891b2);
  --gradient-text: linear-gradient(135deg, #f0eff8 0%, #9b7de0 50%, #2dd4bf 100%);
  --gradient-card: linear-gradient(135deg, rgba(124,92,191,0.08) 0%, rgba(45,212,191,0.04) 100%);

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;

  /* Spacing */
  --section-padding: clamp(80px, 10vw, 140px);
  --container-max: 1240px;
  --container-padding: clamp(20px, 5vw, 60px);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.7s cubic-bezier(0.4, 0, 0.2, 1);

  /* Shadows */
  --shadow-card: 0 1px 3px rgba(0,0,0,0.4), 0 4px 16px rgba(0,0,0,0.3);
  --shadow-card-hover: 0 4px 24px rgba(124,92,191,0.15), 0 1px 3px rgba(0,0,0,0.5);
  --shadow-glow-purple: 0 0 40px rgba(124, 92, 191, 0.2);
  --shadow-glow-teal: 0 0 40px rgba(45, 212, 191, 0.15);
}

/* ============================================
   Reset & Base
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, video {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: inherit;
}

/* ============================================
   Layout Utilities
   ============================================ */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.container--wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--section-padding) 0;
}

.section--sm {
  padding: clamp(40px, 6vw, 80px) 0;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.display-xl {
  font-size: clamp(3rem, 7vw, 6.5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.0;
}

.display-lg {
  font-size: clamp(2.2rem, 5vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.display-md {
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.1;
}

.display-sm {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.eyebrow {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-teal);
}

.eyebrow--purple {
  color: var(--accent-purple-light);
}

.lead {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: var(--text-secondary);
  line-height: 1.75;
  font-weight: 300;
}

.caption {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

/* Gradient Text */
.text-gradient {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient--purple {
  background: linear-gradient(135deg, #c4b5fd, #7c5cbf);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient--teal {
  background: linear-gradient(135deg, #5eead4, #2dd4bf);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: 6px;
  transition: all var(--transition-smooth);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn--primary {
  background: var(--gradient-purple);
  color: #fff;
  box-shadow: 0 0 0 1px rgba(124,92,191,0.4), 0 4px 20px rgba(124,92,191,0.25);
}

.btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 0 1px rgba(124,92,191,0.6), 0 8px 32px rgba(124,92,191,0.35);
}

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

.btn--secondary:hover {
  background: var(--bg-glass-hover);
  border-color: rgba(255,255,255,0.15);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--accent-teal);
  padding: 0;
  font-size: 0.85rem;
}

.btn--ghost:hover {
  color: var(--accent-teal-light);
}

.btn--ghost svg, .btn--ghost .arrow {
  transition: transform var(--transition-fast);
}

.btn--ghost:hover .arrow {
  transform: translateX(4px);
}

.btn--teal {
  background: linear-gradient(135deg, rgba(45,212,191,0.15), rgba(45,212,191,0.08));
  color: var(--accent-teal-light);
  border: 1px solid rgba(45,212,191,0.2);
}

.btn--teal:hover {
  background: linear-gradient(135deg, rgba(45,212,191,0.22), rgba(45,212,191,0.12));
  border-color: rgba(45,212,191,0.35);
  transform: translateY(-1px);
}

.btn--lg {
  padding: 16px 36px;
  font-size: 0.95rem;
}

/* ============================================
   Cards
   ============================================ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 12px;
  padding: 36px;
  transition: all var(--transition-smooth);
}

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

.card--glass {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* ============================================
   Dividers & Decorative
   ============================================ */
.divider {
  width: 48px;
  height: 2px;
  background: var(--gradient-purple);
  border-radius: 2px;
}

.divider--teal {
  background: var(--gradient-teal);
}

.divider--center {
  margin: 0 auto;
}

/* Noise texture overlay */
.noise-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.018;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* Orb decorative elements */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  animation: orbFloat 8s ease-in-out infinite alternate;
}

.orb--purple {
  background: radial-gradient(circle, rgba(124,92,191,0.35) 0%, transparent 70%);
}

.orb--teal {
  background: radial-gradient(circle, rgba(45,212,191,0.2) 0%, transparent 70%);
}

@keyframes orbFloat {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(30px, -20px) scale(1.08); }
}

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

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

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

@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; }
}

/* ============================================
   Section Headers
   ============================================ */
.section-header {
  max-width: 680px;
}

.section-header--center {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.section-header .eyebrow {
  display: block;
  margin-bottom: 16px;
}

.section-header h2 {
  margin-bottom: 20px;
}

.section-header .lead {
  margin-bottom: 0;
}

/* ============================================
   Animations & Utilities
   ============================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.animate-fade-up {
  animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }
.delay-6 { animation-delay: 0.6s; }

.hidden { display: none; }
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* Tag/Badge */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 100px;
  border: 1px solid;
}

.tag--purple {
  color: var(--accent-purple-light);
  border-color: rgba(124,92,191,0.3);
  background: rgba(124,92,191,0.08);
}

.tag--teal {
  color: var(--accent-teal);
  border-color: rgba(45,212,191,0.25);
  background: rgba(45,212,191,0.06);
}

.tag--gold {
  color: var(--accent-gold);
  border-color: rgba(201,169,110,0.25);
  background: rgba(201,169,110,0.06);
}

/* Live dot */
.dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse 2s ease-in-out infinite;
}

/* ============================================
   Stat items
   ============================================ */
.stat-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stat-value {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ============================================
   Horizontal rule
   ============================================ */
hr.hr--subtle {
  border: none;
  border-top: 1px solid var(--border-subtle);
  margin: 0;
}

/* ============================================
   Scroll Reveal (JS-triggered)
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.75s cubic-bezier(0.4,0,0.2,1), transform 0.75s cubic-bezier(0.4,0,0.2,1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1.visible { transition-delay: 0.1s; }
.reveal-delay-2.visible { transition-delay: 0.2s; }
.reveal-delay-3.visible { transition-delay: 0.3s; }
.reveal-delay-4.visible { transition-delay: 0.4s; }
.reveal-delay-5.visible { transition-delay: 0.5s; }
.reveal-delay-6.visible { transition-delay: 0.6s; }

/* ============================================
   Cinematic Image System
   ============================================ */

/* Base cinematic image frame */
.cin-frame {
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  line-height: 0;
}

.cin-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.cin-frame:hover img {
  transform: scale(1.04);
}

/* Overlays */
.cin-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
}

.cin-overlay--dark::after {
  background: linear-gradient(to top, rgba(10,10,15,0.85) 0%, rgba(10,10,15,0.3) 50%, transparent 100%);
}

.cin-overlay--purple::after {
  background: linear-gradient(135deg, rgba(124,92,191,0.45) 0%, rgba(10,10,15,0.5) 100%);
}

.cin-overlay--teal::after {
  background: linear-gradient(135deg, rgba(45,212,191,0.3) 0%, rgba(10,10,15,0.6) 100%);
}

.cin-overlay--side::after {
  background: linear-gradient(to right, rgba(10,10,15,0.9) 0%, rgba(10,10,15,0.4) 50%, transparent 100%);
}

.cin-overlay--side-right::after {
  background: linear-gradient(to left, rgba(10,10,15,0.9) 0%, rgba(10,10,15,0.4) 50%, transparent 100%);
}

/* Border accent on frames */
.cin-frame--bordered {
  border: 1px solid var(--border-card);
}
.cin-frame--bordered:hover {
  border-color: var(--border-accent);
}

/* Caption inside frame */
.cin-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 24px 28px;
  z-index: 2;
}

.cin-caption__eyebrow {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-teal);
  display: block;
  margin-bottom: 6px;
}

.cin-caption__title {
  font-size: clamp(0.95rem, 1.5vw, 1.15rem);
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  line-height: 1.4;
}

/* ── Cinematic Hero Split ── */
.cin-hero-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: stretch;
}

.cin-hero-split--60-40 { grid-template-columns: 1.5fr 1fr; }
.cin-hero-split--40-60 { grid-template-columns: 1fr 1.5fr; }

/* ── Cinematic Image Wall (3-up or 2-up) ── */
.cin-wall {
  display: grid;
  gap: 12px;
}

.cin-wall--3 { grid-template-columns: repeat(3, 1fr); }
.cin-wall--2 { grid-template-columns: repeat(2, 1fr); }
.cin-wall--2-1 { grid-template-columns: 2fr 1fr; }
.cin-wall--1-2 { grid-template-columns: 1fr 2fr; }

/* ── Full-bleed cinematic section with image background ── */
.cin-section-bg {
  position: relative;
  overflow: hidden;
}

.cin-section-bg__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 0;
}

.cin-section-bg__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(to right,
    rgba(10,10,15,0.96) 0%,
    rgba(10,10,15,0.82) 45%,
    rgba(10,10,15,0.5) 70%,
    rgba(10,10,15,0.2) 100%);
}

.cin-section-bg__content {
  position: relative;
  z-index: 2;
}

/* ── Person card with photo ── */
.cin-person-card {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border-card);
  transition: all var(--transition-smooth);
  cursor: default;
}

.cin-person-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.cin-person-card__img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: center top;
  display: block;
  transition: transform 0.7s cubic-bezier(0.4,0,0.2,1);
  filter: grayscale(15%) contrast(1.05);
}

.cin-person-card:hover .cin-person-card__img {
  transform: scale(1.05);
  filter: grayscale(0%) contrast(1.08);
}

.cin-person-card__info {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 28px 22px 22px;
  background: linear-gradient(to top, rgba(10,10,15,0.97) 0%, rgba(10,10,15,0.7) 60%, transparent 100%);
}

.cin-person-card__name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin-bottom: 3px;
}

.cin-person-card__role {
  font-size: 0.72rem;
  color: var(--accent-purple-light);
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* ── Cinematic Quote Pull ── */
.cin-quote {
  position: relative;
  padding: 48px 56px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 20px;
  overflow: hidden;
}

.cin-quote::before {
  content: '\201C';
  position: absolute;
  top: -10px; left: 28px;
  font-size: 8rem;
  font-family: var(--font-display);
  color: var(--accent-purple);
  opacity: 0.15;
  line-height: 1;
  pointer-events: none;
}

.cin-quote__img {
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 40%;
  object-fit: cover;
  object-position: center top;
  opacity: 0.18;
  filter: grayscale(40%);
}

.cin-quote__text {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-style: italic;
  line-height: 1.65;
  color: var(--text-primary);
  position: relative;
  z-index: 1;
  max-width: 65%;
}

.cin-quote__attr {
  margin-top: 24px;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  position: relative;
  z-index: 1;
}

.cin-quote__attr strong {
  color: var(--accent-purple-light);
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .cin-hero-split,
  .cin-hero-split--60-40,
  .cin-hero-split--40-60 {
    grid-template-columns: 1fr;
  }
  .cin-wall--3 { grid-template-columns: repeat(2, 1fr); }
  .cin-wall--2-1,
  .cin-wall--1-2 { grid-template-columns: 1fr; }
  .cin-quote__img { display: none; }
  .cin-quote__text { max-width: 100%; }
}

@media (max-width: 640px) {
  .cin-wall--3,
  .cin-wall--2 { grid-template-columns: 1fr; }
  .cin-quote { padding: 36px 28px; }
  .cin-section-bg__overlay {
    background: rgba(10,10,15,0.88);
  }
}