/* ══════════════════════════════════════════
   PRIVATE AI AGENCY — Warm Dark Theme
   Palette: Cognac · Bronze · Creme · Obsidian
══════════════════════════════════════════ */

:root {
  /* Warm Dark Palette */
  --obsidian:      #1a1612;   /* deepest background */
  --ink:           #221d18;   /* surface */
  --ink-2:         #2d2620;   /* surface elevated */
  --ink-3:         #3d342c;   /* border / card bg */
  --cognac:        #c4703a;   /* primary accent */
  --cognac-bright: #e08a50;   /* hover */
  --cognac-dim:    rgba(196,112,58,0.12);
  --bronze:        #a0622c;   /* secondary warm */
  --gold:          #d4a547;   /* highlight */
  --gold-dim:      rgba(212,165,71,0.1);
  --creme:         #f0e6d6;   /* primary text */
  --creme-muted:   #b8a898;   /* muted text */
  --creme-faint:   #6b5f55;   /* very muted */
  --border:        rgba(196,112,58,0.15);
  --border-subtle: rgba(240,230,214,0.06);

  /* Typography */
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'DM Sans', -apple-system, sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  /* Spacing */
  --space-1: 0.25rem;  --space-2: 0.5rem;   --space-3: 0.75rem;
  --space-4: 1rem;     --space-6: 1.5rem;   --space-8: 2rem;
  --space-10: 2.5rem;  --space-12: 3rem;    --space-16: 4rem;
  --space-20: 5rem;    --space-24: 6rem;

  /* Type Scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5.5rem);

  --radius-sm: 0.375rem; --radius-md: 0.5rem;
  --radius-lg: 0.75rem;  --radius-xl: 1rem; --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  --transition: 200ms cubic-bezier(0.16, 1, 0.3, 1);
  --content: 1100px;
}

/* BASE */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  text-rendering: optimizeLegibility;
}
body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--creme);
  background: var(--obsidian);
  min-height: 100dvh;
  line-height: 1.65;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; background: none; border: none; font: inherit; color: inherit; }
ul { list-style: none; }
input, select, textarea { font: inherit; color: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; } }

/* ══ NAVIGATION ══ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background var(--transition), border-color var(--transition);
}
.nav.scrolled {
  background: rgba(26,22,18,0.92);
  backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--content);
  margin: 0 auto;
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--creme);
  flex-shrink: 0;
}
.logo-mark { color: var(--cognac); }
.nav-links {
  display: flex;
  gap: var(--space-8);
  margin: 0 auto;
}
.nav-links a {
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--creme-muted);
  letter-spacing: 0.02em;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--creme); }
.nav-cta {
  display: inline-flex;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--cognac-bright);
  border: 1px solid var(--cognac);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  transition: all var(--transition);
  flex-shrink: 0;
  letter-spacing: 0.02em;
}
.nav-cta:hover {
  background: var(--cognac-dim);
  color: var(--gold);
  border-color: var(--gold);
}
@media (max-width: 768px) {
  .nav-links { display: none; }
}

/* ══ BUTTONS ══ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--obsidian);
  background: linear-gradient(135deg, var(--cognac) 0%, var(--gold) 100%);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-full);
  border: none;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--transition);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 32px rgba(196,112,58,0.35); }
.btn-primary:hover::before { background: rgba(255,255,255,0.08); }
.btn-primary.btn-full { width: 100%; justify-content: center; }

.btn-text {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--creme-muted);
  transition: color var(--transition);
}
.btn-text:hover { color: var(--creme); }

/* ══ LAYOUT ══ */
.container { max-width: var(--content); margin: 0 auto; padding: 0 var(--space-6); }
.section { padding-block: clamp(var(--space-16), 8vw, var(--space-24)); }
.section-alt { background: var(--ink); }
.section-head { text-align: center; max-width: 580px; margin: 0 auto var(--space-12); }
.section-head h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-block: var(--space-3) var(--space-4);
}
.section-head p { color: var(--creme-muted); }
.section-label {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cognac-bright);
}

/* ══ HERO ══ */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--obsidian);
}

/* 3D Canvas — fills entire hero */
.hero-3d-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
}
#heroCanvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* Vignette — makes text readable over 3D */
.hero-vignette {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(ellipse 70% 60% at 50% 50%, transparent 30%, rgba(26,22,18,0.7) 100%),
    linear-gradient(to bottom, rgba(26,22,18,0.3) 0%, transparent 30%, transparent 70%, rgba(26,22,18,0.8) 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding: 120px var(--space-6) var(--space-16);
}
.hero-eyebrow {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cognac-bright);
  margin-bottom: var(--space-6);
}
.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--creme);
  margin-bottom: var(--space-6);
}
.hero-title em {
  font-style: italic;
  color: var(--gold);
  display: block;
  font-size: 1.1em;
}
.hero-sub {
  font-size: var(--text-lg);
  color: var(--creme-muted);
  max-width: 52ch;
  margin: 0 auto var(--space-10);
  line-height: 1.6;
}
.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  flex-wrap: wrap;
  margin-bottom: var(--space-16);
}
.hero-proof {
  display: inline-grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: var(--space-6);
  background: rgba(26,22,18,0.6);
  border: 1px solid var(--border);
  backdrop-filter: blur(16px);
  border-radius: var(--radius-2xl);
  padding: var(--space-5) var(--space-10);
  max-width: 480px;
  width: 100%;
}
@media (max-width: 480px) {
  .hero-proof {
    grid-template-columns: 1fr 1fr;
    padding: var(--space-5) var(--space-6);
  }
  .proof-sep { display: none; }
  .hero-proof .proof-item:last-child { grid-column: 1 / -1; }
}
.proof-item { text-align: center; }
.proof-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}
.proof-item span { font-size: var(--text-base); color: var(--cognac-bright); }
.proof-item small { display: block; font-size: var(--text-xs); color: var(--creme-faint); margin-top: var(--space-1); }
.proof-sep { width: 1px; height: 36px; background: var(--border); flex-shrink: 0; }

.scroll-hint {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--creme-faint);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  animation: hint-float 3s ease-in-out infinite;
}
.scroll-line { width: 1px; height: 36px; background: linear-gradient(to bottom, transparent, var(--creme-faint)); }
@keyframes hint-float {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.6; }
  50% { transform: translateX(-50%) translateY(8px); opacity: 0.3; }
}

/* ══ ABOUT STRIP ══ */
.about-strip {
  background: var(--ink);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  overflow: hidden;
  padding-block: var(--space-4);
}
.strip-inner {
  display: flex;
  gap: var(--space-8);
  align-items: center;
  animation: strip-scroll 24s linear infinite;
  white-space: nowrap;
  width: max-content;
}
.strip-inner span {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--creme-faint);
}
.strip-dot {
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--cognac);
  flex-shrink: 0;
}
@keyframes strip-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ══ TWO-COL (Demo Section) ══ */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}
@media (max-width: 900px) {
  .two-col { grid-template-columns: 1fr; gap: var(--space-12); }
}
.col-text h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  line-height: 1.15;
  margin-block: var(--space-3) var(--space-5);
}
.col-text p { color: var(--creme-muted); line-height: 1.7; }
.feature-list { margin-top: var(--space-6); display: flex; flex-direction: column; gap: var(--space-4); }
.feature-list li { display: flex; align-items: flex-start; gap: var(--space-3); font-size: var(--text-sm); color: var(--creme-muted); line-height: 1.6; }
.feat-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--cognac);
  margin-top: 6px;
  flex-shrink: 0;
}

/* ══ TERMINAL ══ */
.terminal {
  background: #130f0b;
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(196,112,58,0.08),
    0 32px 80px rgba(0,0,0,0.5),
    0 0 60px rgba(196,112,58,0.05);
}
.term-bar {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-5);
  background: rgba(255,255,255,0.02);
  border-bottom: 1px solid var(--border-subtle);
}
.term-dots { display: flex; gap: 6px; }
.term-dots span {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--ink-3);
}
.term-dots span:nth-child(1) { background: #ff5f57; }
.term-dots span:nth-child(2) { background: #febc2e; }
.term-dots span:nth-child(3) { background: #28c840; }
.term-name {
  flex: 1;
  text-align: center;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--creme-faint);
}
.term-live {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  font-weight: 600;
  color: #28c840;
  font-family: var(--font-mono);
}
.term-live span {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #28c840;
  animation: blink 1.5s ease-in-out infinite;
}
.term-body {
  padding: var(--space-5) var(--space-6) var(--space-8);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.9;
  min-height: 300px;
  max-height: 400px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--ink-3) transparent;
}
.tl { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.tp { color: var(--cognac-bright); font-weight: 600; flex-shrink: 0; }
.tc { color: var(--creme); }
.to { color: var(--creme-muted); padding-left: var(--space-4); }
.ts { color: var(--gold); font-weight: 600; }
.tg { color: #28c840; }
.tw { color: #febc2e; }
.te { color: #ff6b6b; }
.tk { color: var(--cognac-bright); }
.tv { color: #d4a547; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }
.cursor {
  display: inline-block;
  width: 7px; height: 0.9em;
  background: var(--cognac-bright);
  animation: blink 1s step-end infinite;
  vertical-align: text-bottom;
  margin-left: 2px;
  border-radius: 1px;
}

/* ══ TAB SYSTEM ══ */
.tab-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-10);
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0;
}
.tab {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--creme-faint);
  padding: var(--space-3) var(--space-6);
  border-radius: 0;
  border-bottom: 2px solid transparent;
  letter-spacing: 0.02em;
  transition: all var(--transition);
  position: relative;
  top: 1px;
}
.tab:hover { color: var(--creme-muted); }
.tab.active {
  color: var(--cognac-bright);
  border-bottom-color: var(--cognac);
}
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ══ CARDS ══ */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}
@media (max-width: 900px) { .cards-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .cards-grid { grid-template-columns: 1fr; } }

.card {
  background: var(--ink-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  position: relative;
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
  animation: card-in 0.4s ease forwards;
  opacity: 0;
  cursor: default;
}
@keyframes card-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.card:nth-child(1) { animation-delay: 0.04s; }
.card:nth-child(2) { animation-delay: 0.08s; }
.card:nth-child(3) { animation-delay: 0.12s; }
.card:nth-child(4) { animation-delay: 0.16s; }
.card:nth-child(5) { animation-delay: 0.20s; }
.card:nth-child(6) { animation-delay: 0.24s; }
.card:hover {
  border-color: var(--cognac);
  transform: translateY(-4px);
  box-shadow:
    0 0 0 1px rgba(196,112,58,0.2),
    0 8px 32px rgba(196,112,58,0.12),
    0 20px 60px rgba(0,0,0,0.3);
  background: linear-gradient(135deg, var(--ink-2), rgba(196,112,58,0.05));
}
.card.hot {
  border-color: rgba(196,112,58,0.25);
  background: linear-gradient(135deg, var(--ink-2), rgba(196,112,58,0.04));
}
.card.hot:hover {
  border-color: var(--cognac-bright);
  box-shadow:
    0 0 0 1px rgba(212,165,71,0.3),
    0 8px 32px rgba(212,165,71,0.15),
    0 20px 60px rgba(0,0,0,0.3);
}
.card-score {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--creme-faint);
  font-weight: 500;
  position: absolute;
  top: var(--space-4); right: var(--space-4);
  background: var(--ink-3);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}
.card-score.hot { color: var(--cognac-bright); background: var(--cognac-dim); }
.card h4 {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--creme);
  padding-right: var(--space-12);
  line-height: 1.3;
}
.card p { font-size: var(--text-sm); color: var(--creme-muted); line-height: 1.6; flex: 1; }
.card-tag {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--cognac-bright);
  background: var(--cognac-dim);
  border: 1px solid rgba(196,112,58,0.18);
  padding: 2px 10px;
  border-radius: var(--radius-full);
  width: fit-content;
  margin-top: auto;
}

/* ══ STATS ══ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-2xl);
  overflow: hidden;
}
@media (max-width: 900px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .stats-grid { grid-template-columns: 1fr; } }

.stat-block {
  padding: var(--space-8);
  border-right: 1px solid var(--border-subtle);
  transition: background var(--transition);
}
.stat-block:last-child { border-right: none; }
.stat-block:hover { background: var(--ink); }
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}
.stat-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--creme);
  margin-bottom: var(--space-3);
}
.stat-block p { font-size: var(--text-sm); color: var(--creme-muted); line-height: 1.6; }

/* ══ CTA ══ */
.cta-section { background: var(--ink); }
.cta-wrap {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  background: var(--ink-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  padding: clamp(var(--space-10), 5vw, var(--space-16));
}
.cta-glow {
  position: absolute;
  top: -80px; left: 50%;
  transform: translateX(-50%);
  width: 400px; height: 300px;
  background: radial-gradient(ellipse, rgba(196,112,58,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.cta-wrap h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  line-height: 1.1;
  margin-block: var(--space-3) var(--space-4);
}
.cta-wrap > p { color: var(--creme-muted); margin-bottom: var(--space-8); }

.cta-form { display: flex; flex-direction: column; gap: var(--space-3); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }
.cta-form input,
.cta-form select {
  background: var(--ink);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  font-size: var(--text-sm);
  color: var(--creme);
  width: 100%;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.cta-form input::placeholder { color: var(--creme-faint); }
.cta-form select { cursor: pointer; appearance: none; }
.cta-form input:focus,
.cta-form select:focus {
  outline: none;
  border-color: var(--cognac);
  box-shadow: 0 0 0 3px var(--cognac-dim);
}
.form-note { font-size: var(--text-xs); color: var(--creme-faint); margin-top: var(--space-2); }

/* ══ FOOTER ══ */
.footer {
  background: var(--obsidian);
  border-top: 1px solid var(--border-subtle);
  padding-block: var(--space-10);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}
.footer-links { display: flex; gap: var(--space-6); flex-wrap: wrap; }
.footer-links a { font-size: var(--text-sm); color: var(--creme-faint); transition: color var(--transition); }
.footer-links a:hover { color: var(--creme-muted); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-subtle);
  font-size: var(--text-xs);
  color: var(--creme-faint);
}
.footer-bottom a { color: var(--creme-faint); text-decoration: underline; text-underline-offset: 3px; }
.footer-bottom a:hover { color: var(--creme-muted); }

/* ══ SCROLL REVEAL ══ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}