/* ============================================================
   ELDARAX - Design System
   "Architects of Intelligent Reality"
   ============================================================ */

:root {
  /* Core palette */
  --void: #05050A;
  --deep: #0A0A14;
  --surface: #11111C;
  --surface-hi: #1A1A28;
  --line: rgba(232, 232, 240, 0.08);
  --line-hi: rgba(232, 232, 240, 0.16);

  /* Type */
  --platinum: #ECECF2;
  --mercury: #9A9AB0;
  --muted: #6C6C82;
  --dim: #3C3C50;

  /* Accent signatures (one per product) */
  --nexus: #00E5FF;       /* Agentic AI */
  --aether: #5EFF8B;      /* Health / Mental */
  --sentinel: #FF3B5C;    /* Security */
  --helix: #B5A8FF;       /* ATS */
  --gold: #FFB347;        /* Brand accent */

  /* Motion */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.7, 0, 0.84, 0);
  --dur: 1.2s;

  /* Type scale */
  --fs-display: clamp(3.5rem, 9vw, 9rem);
  --fs-h1: clamp(2.5rem, 6vw, 5.5rem);
  --fs-h2: clamp(2rem, 4.5vw, 4rem);
  --fs-h3: clamp(1.5rem, 2.5vw, 2.25rem);
  --fs-body: clamp(0.95rem, 1.1vw, 1.125rem);
  --fs-small: 0.8125rem;
  --fs-mono: 0.75rem;
}

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

html, body {
  background: var(--void);
  color: var(--platinum);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: var(--fs-body);
  line-height: 1.55;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  cursor: none;
}

body { min-height: 100vh; }

::selection { background: var(--nexus); color: var(--void); }

a { color: inherit; text-decoration: none; cursor: none; }
button { cursor: none; background: none; border: none; color: inherit; font: inherit; }
img, svg, canvas { display: block; max-width: 100%; }

/* ============================================================
   Typography
   ============================================================ */

.display, .h1, .h2, .h3 {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 0.95;
  color: var(--platinum);
}

.display { font-size: var(--fs-display); letter-spacing: -0.045em; }
.h1 { font-size: var(--fs-h1); }
.h2 { font-size: var(--fs-h2); }
.h3 { font-size: var(--fs-h3); }

.eyebrow {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: var(--fs-mono);
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--mercury);
}

.eyebrow .dot {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--nexus);
  box-shadow: 0 0 10px var(--nexus);
  margin-right: 12px;
  vertical-align: middle;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.mono { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: var(--fs-mono); }

.italic-accent {
  font-family: 'Instrument Serif', 'Times New Roman', serif;
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.02em;
}

/* ============================================================
   Custom cursor
   ============================================================ */

.cursor {
  position: fixed;
  top: 0; left: 0;
  width: 8px; height: 8px;
  background: var(--platinum);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  mix-blend-mode: difference;
  transition: width 0.3s var(--ease), height 0.3s var(--ease), background 0.3s var(--ease);
}

.cursor-ring {
  position: fixed;
  top: 0; left: 0;
  width: 36px; height: 36px;
  border: 1px solid var(--platinum);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  mix-blend-mode: difference;
  transition: width 0.4s var(--ease), height 0.4s var(--ease), opacity 0.3s var(--ease);
}

.cursor.hover { width: 60px; height: 60px; background: var(--nexus); }
.cursor-ring.hover { width: 80px; height: 80px; opacity: 0.3; }

@media (hover: none) {
  html, body, a, button { cursor: auto; }
  .cursor, .cursor-ring { display: none; }
}

/* ============================================================
   Loader
   ============================================================ */

.loader {
  position: fixed;
  inset: 0;
  background: var(--void);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 24px;
  transition: opacity 0.8s var(--ease), visibility 0.8s var(--ease);
}

.loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.loader-text {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 500;
  letter-spacing: 0.3em;
  color: var(--platinum);
  overflow: hidden;
}

.loader-text span {
  display: inline-block;
  transform: translateY(100%);
  animation: rise 0.8s var(--ease) forwards;
}

.loader-text span:nth-child(1) { animation-delay: 0.05s; }
.loader-text span:nth-child(2) { animation-delay: 0.10s; }
.loader-text span:nth-child(3) { animation-delay: 0.15s; }
.loader-text span:nth-child(4) { animation-delay: 0.20s; }
.loader-text span:nth-child(5) { animation-delay: 0.25s; }
.loader-text span:nth-child(6) { animation-delay: 0.30s; }
.loader-text span:nth-child(7) { animation-delay: 0.35s; }
.loader-text span:nth-child(8) { animation-delay: 0.40s; }

@keyframes rise {
  from { opacity: 0; transform: translateY(100%); }
  to { opacity: 1; transform: translateY(0); }
}

.loader-bar {
  width: 200px;
  height: 1px;
  background: var(--line-hi);
  position: relative;
  overflow: hidden;
}

.loader-bar::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--nexus);
  transform: scaleX(0);
  transform-origin: left;
  animation: loadbar 1.6s var(--ease) forwards;
}

@keyframes loadbar {
  to { transform: scaleX(1); }
}

/* ============================================================
   Navigation
   ============================================================ */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 24px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  pointer-events: none;
  transition: backdrop-filter 0.3s var(--ease);
}

.nav > * { pointer-events: auto; }

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.125rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--platinum);
}

.nav-logo svg { width: 28px; height: 28px; }

.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  font-size: var(--fs-small);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--mercury);
  transition: color 0.3s var(--ease);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  bottom: -6px;
  height: 1px;
  background: var(--nexus);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s var(--ease);
}

.nav-links a:hover { color: var(--platinum); }
.nav-links a:hover::after { transform: scaleX(1); transform-origin: left; }

.nav-cta {
  padding: 12px 24px;
  border: 1px solid var(--line-hi);
  border-radius: 100px;
  font-size: var(--fs-small);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--platinum);
  background: rgba(255,255,255,0.02);
  backdrop-filter: blur(10px);
  transition: all 0.3s var(--ease);
}

.nav-cta:hover {
  background: var(--platinum);
  color: var(--void);
  border-color: var(--platinum);
}

@media (max-width: 768px) {
  .nav { padding: 16px 20px; }
  .nav-links { display: none; }
}

/* ============================================================
   Hero
   ============================================================ */

.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 0 40px;
}

#hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  width: 100%;
  max-width: 1200px;
}

.hero-mark {
  width: clamp(80px, 12vw, 140px);
  height: auto;
  margin: 0 auto 40px;
  filter: drop-shadow(0 0 30px rgba(0, 229, 255, 0.3));
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.hero-eyebrow {
  margin-bottom: 32px;
  opacity: 0;
  animation: fadeUp 1s var(--ease) 0.3s forwards;
}

.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--fs-display);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 0.88;
  color: var(--platinum);
  margin-bottom: 32px;
}

.hero-title .word {
  display: inline-block;
  opacity: 0;
  transform: translateY(100%);
  margin-right: 0.25em;
}

.hero-title .word.in { animation: rise 1s var(--ease) forwards; opacity: 1; }
.hero-title .word:nth-child(1).in { animation-delay: 0.4s; }
.hero-title .word:nth-child(2).in { animation-delay: 0.5s; }
.hero-title .word:nth-child(3).in { animation-delay: 0.65s; }
.hero-title .word:nth-child(4).in { animation-delay: 0.75s; }
.hero-title .word:nth-child(5).in { animation-delay: 0.85s; }

.hero-title .italic {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-weight: 400;
  color: var(--nexus);
  background: linear-gradient(135deg, var(--nexus) 0%, var(--helix) 50%, var(--aether) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.03em;
}

.hero-sub {
  max-width: 640px;
  margin: 0 auto 48px;
  font-size: clamp(1rem, 1.4vw, 1.25rem);
  color: var(--mercury);
  line-height: 1.6;
  opacity: 0;
  animation: fadeUp 1s var(--ease) 0.8s forwards;
}

.hero-cta-row {
  display: flex;
  gap: 16px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 1s var(--ease) 1s forwards;
}

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

.scroll-cue {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--mercury);
  font-size: var(--fs-mono);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  opacity: 0;
  animation: fadeUp 1s var(--ease) 1.4s forwards;
  pointer-events: none;
}

.hero {
  padding-bottom: 120px;
}

.scroll-cue::after {
  content: '';
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--mercury), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

@media (max-width: 768px) {
  .hero { padding: 0 20px; }
}

/* ============================================================
   Buttons
   ============================================================ */

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 32px;
  border-radius: 100px;
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition: all 0.4s var(--ease);
  overflow: hidden;
  isolation: isolate;
}

.btn .arrow {
  display: inline-block;
  transition: transform 0.4s var(--ease);
}

.btn:hover .arrow { transform: translateX(6px); }

.btn-primary {
  background: var(--platinum);
  color: var(--void);
  border: 1px solid var(--platinum);
}

.btn-primary:hover {
  background: var(--nexus);
  color: var(--void);
  border-color: var(--nexus);
  box-shadow: 0 0 30px rgba(0, 229, 255, 0.4);
}

.btn-ghost {
  background: transparent;
  color: var(--platinum);
  border: 1px solid var(--line-hi);
  backdrop-filter: blur(10px);
}

.btn-ghost:hover {
  border-color: var(--platinum);
  background: rgba(255,255,255,0.05);
}

.btn-magnetic {
  transition: transform 0.3s var(--ease);
}

/* ============================================================
   Manifesto
   ============================================================ */

.manifesto {
  position: relative;
  padding: 200px 40px;
  max-width: 1400px;
  margin: 0 auto;
}

.manifesto-inner {
  max-width: 1100px;
}

.manifesto h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 5vw, 4.5rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--platinum);
}

.manifesto h2 .italic {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  color: var(--mercury);
}

.manifesto h2 .accent {
  color: var(--nexus);
  background: linear-gradient(135deg, var(--nexus), var(--helix));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.manifesto-foot {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 32px;
  margin-top: 80px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.manifesto-foot p {
  max-width: 480px;
  color: var(--mercury);
  font-size: 0.9375rem;
}

@media (max-width: 768px) {
  .manifesto { padding: 120px 20px; }
}

/* ============================================================
   Section header (shared)
   ============================================================ */

.section {
  position: relative;
  padding: 160px 40px;
  max-width: 1400px;
  margin: 0 auto;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 80px;
}

.section-head h2 {
  font-size: var(--fs-h2);
  max-width: 800px;
}

.section-head .meta {
  text-align: right;
  color: var(--mercury);
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-mono);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

@media (max-width: 768px) {
  .section { padding: 100px 20px; }
  .section-head { margin-bottom: 48px; }
}

/* ============================================================
   The Four Worlds (Products)
   ============================================================ */

.worlds { position: relative; }

.world {
  position: relative;
  min-height: 100vh;
  padding: 120px 40px;
  display: flex;
  align-items: center;
  border-top: 1px solid var(--line);
  overflow: hidden;
}

.world-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.4;
  pointer-events: none;
}

.world-inner {
  position: relative;
  z-index: 2;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.world-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-mono);
  letter-spacing: 0.3em;
  color: var(--mercury);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.world-num::before {
  content: '';
  width: 30px; height: 1px;
  background: currentColor;
}

.world-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(3rem, 8vw, 7rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 0.9;
  margin-bottom: 32px;
}

.world-tagline {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  line-height: 1.3;
  color: var(--mercury);
  margin-bottom: 40px;
  max-width: 480px;
}

.world-desc {
  font-size: 1rem;
  color: var(--mercury);
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 48px;
}

.world-capabilities {
  list-style: none;
  margin-bottom: 48px;
}

.world-capabilities li {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  font-size: 0.9375rem;
  color: var(--platinum);
  transition: padding-left 0.3s var(--ease);
}

.world-capabilities li:hover { padding-left: 8px; }

.world-capabilities li::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent, var(--nexus));
  box-shadow: 0 0 8px var(--accent, var(--nexus));
}

.world-visual {
  position: relative;
  aspect-ratio: 1;
  max-width: 540px;
  margin: 0 auto;
  width: 100%;
}

/* Per-world styling */
.world-nexus { --accent: var(--nexus); }
.world-aether { --accent: var(--aether); }
.world-sentinel { --accent: var(--sentinel); }
.world-helix { --accent: var(--helix); }

.world-nexus .world-name,
.world-aether .world-name,
.world-sentinel .world-name,
.world-helix .world-name {
  background: linear-gradient(135deg, var(--accent) 0%, var(--platinum) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.world-visual canvas {
  width: 100% !important;
  height: 100% !important;
}

@media (max-width: 900px) {
  .world-inner { grid-template-columns: 1fr; gap: 48px; }
  .world { padding: 100px 20px; }
}

/* ============================================================
   Constellation
   ============================================================ */

.constellation {
  position: relative;
  padding: 160px 40px 200px;
  max-width: 1400px;
  margin: 0 auto;
  border-top: 1px solid var(--line);
  overflow: hidden;
}

.constellation-inner {
  position: relative;
  z-index: 2;
}

.constellation-stage {
  position: relative;
  width: 100%;
  max-width: 720px;
  margin: 0 auto 80px;
  aspect-ratio: 1;
}

.constellation-svg {
  width: 100%;
  height: 100%;
  display: block;
}

.constellation-svg .con-line {
  stroke-dasharray: 4 6;
  animation: flowDash 1.5s linear infinite;
  opacity: 0.7;
}

.constellation-svg .con-line:nth-child(2) { animation-delay: -0.25s; }
.constellation-svg .con-line:nth-child(3) { animation-delay: -0.5s; }
.constellation-svg .con-line:nth-child(4) { animation-delay: -0.75s; }
.constellation-svg .con-line:nth-child(5) { animation-delay: -1s; }
.constellation-svg .con-line:nth-child(6) { animation-delay: -1.25s; }

@keyframes flowDash {
  to { stroke-dashoffset: -10; }
}

.constellation-svg .node {
  cursor: none;
  transition: transform 0.4s var(--ease);
  transform-origin: center;
  transform-box: fill-box;
}

.constellation-svg .node:hover {
  transform: scale(1.1);
}

.constellation-svg .node-center {
  animation: nodeBreathe 4s ease-in-out infinite;
}

@keyframes nodeBreathe {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.04); }
}

.constellation-svg .node-ghost {
  opacity: 0.6;
  animation: ghostPulse 3s ease-in-out infinite;
}

.constellation-svg .node-ghost:nth-child(odd) { animation-delay: -1.5s; }

@keyframes ghostPulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.8; }
}

.constellation-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  max-width: 1100px;
  margin: 0 auto;
}

.mini-product {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: background 0.3s var(--ease);
  cursor: none;
}

.mini-product:hover { background: rgba(255,255,255,0.02); }
.mini-product.mini-stealth { opacity: 0.55; }

.mini-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.mini-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--platinum);
  letter-spacing: 0.1em;
  margin-bottom: 2px;
}

.mini-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6875rem;
  color: var(--mercury);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

@media (max-width: 900px) {
  .constellation { padding: 100px 20px 140px; }
  .constellation-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .constellation-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   Numbers / Metrics
   ============================================================ */

.numbers {
  position: relative;
  padding: 160px 40px;
  max-width: 1400px;
  margin: 0 auto;
  border-top: 1px solid var(--line);
}

.numbers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 80px;
}

.number-item {
  padding: 0 32px;
  border-left: 1px solid var(--line);
  position: relative;
}

.number-item:first-child { border-left: 0; padding-left: 0; }

.number-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 16px;
  color: var(--platinum);
}

.number-value .suffix {
  font-size: 0.5em;
  color: var(--nexus);
  margin-left: 4px;
  font-weight: 400;
}

.number-label {
  font-size: var(--fs-small);
  color: var(--mercury);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

@media (max-width: 900px) {
  .numbers-grid { grid-template-columns: repeat(2, 1fr); gap: 48px 0; }
  .number-item:nth-child(3) { border-left: 0; padding-left: 0; }
  .number-item:nth-child(odd) { border-left: 0; padding-left: 0; }
}

/* ============================================================
   CTA / Contact
   ============================================================ */

.cta {
  position: relative;
  padding: 200px 40px;
  text-align: center;
  overflow: hidden;
  border-top: 1px solid var(--line);
}

.cta-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.5;
}

.cta-inner {
  position: relative;
  z-index: 2;
  max-width: 1100px;
  margin: 0 auto;
}

.cta-eyebrow { margin-bottom: 32px; }

.cta h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(3rem, 8vw, 8rem);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 0.9;
  margin-bottom: 48px;
}

.cta h2 .italic {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  background: linear-gradient(135deg, var(--nexus), var(--helix), var(--aether));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.cta-sub {
  max-width: 560px;
  margin: 0 auto 64px;
  font-size: clamp(1rem, 1.4vw, 1.25rem);
  color: var(--mercury);
  line-height: 1.6;
}

.cta-row {
  display: flex;
  gap: 16px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 80px;
}

.cta-mail {
  display: inline-block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1rem, 2vw, 1.5rem);
  color: var(--platinum);
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--line-hi);
  padding-bottom: 8px;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.cta-mail:hover {
  color: var(--nexus);
  border-color: var(--nexus);
}

@media (max-width: 768px) {
  .cta { padding: 120px 20px; }
}

/* ============================================================
   Footer
   ============================================================ */

.footer {
  position: relative;
  padding: 60px 40px 40px;
  border-top: 1px solid var(--line);
  background: var(--deep);
}

.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 80px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.footer-brand .nav-logo { font-size: 1rem; }

.footer-tagline {
  color: var(--mercury);
  font-size: 0.9375rem;
  max-width: 320px;
  line-height: 1.6;
}

.footer-col h4 {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-mono);
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--mercury);
  margin-bottom: 20px;
}

.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 12px; }
.footer-col a {
  font-size: 0.9375rem;
  color: var(--platinum);
  transition: color 0.3s var(--ease);
}
.footer-col a:hover { color: var(--nexus); }

.footer-bottom {
  max-width: 1400px;
  margin: 0 auto;
  padding-top: 32px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: var(--fs-small);
  color: var(--mercury);
}

.footer-status {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-status::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--aether);
  box-shadow: 0 0 8px var(--aether);
  animation: pulse 2s ease-in-out infinite;
}

@media (max-width: 900px) {
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 40px; }
}
@media (max-width: 600px) {
  .footer-inner { grid-template-columns: 1fr; }
}

/* ============================================================
   AI Concierge
   ============================================================ */

.concierge {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 200;
}

.concierge-btn {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: rgba(20, 20, 28, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid var(--line-hi);
  border-radius: 100px;
  color: var(--platinum);
  font-size: var(--fs-small);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: all 0.4s var(--ease);
  box-shadow: 0 10px 40px rgba(0,0,0,0.4);
}

.concierge-btn::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: conic-gradient(from 0deg, var(--nexus), var(--helix), var(--aether), var(--sentinel), var(--nexus));
  border-radius: 100px;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  filter: blur(8px);
  animation: rotate 6s linear infinite paused;
}

.concierge-btn:hover::before { opacity: 0.6; animation-play-state: running; }
.concierge-btn:hover { transform: translateY(-2px); border-color: transparent; }

.concierge-btn .icon {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--nexus), var(--helix));
  position: relative;
  flex-shrink: 0;
}

.concierge-btn .icon::after {
  content: '';
  position: absolute;
  inset: 4px;
  background: var(--void);
  border-radius: 50%;
}

.concierge-btn .icon::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 4px; height: 4px;
  background: var(--platinum);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes rotate {
  to { transform: rotate(360deg); }
}

.concierge-panel {
  position: absolute;
  bottom: calc(100% + 16px);
  right: 0;
  width: 380px;
  max-width: calc(100vw - 64px);
  height: 540px;
  max-height: calc(100vh - 120px);
  background: rgba(11, 11, 20, 0.92);
  backdrop-filter: blur(30px);
  border: 1px solid var(--line-hi);
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px) scale(0.95);
  transform-origin: bottom right;
  transition: all 0.4s var(--ease);
  box-shadow: 0 30px 80px rgba(0,0,0,0.6);
}

.concierge.open .concierge-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.concierge-head {
  padding: 20px 24px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.concierge-head-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.concierge-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--nexus), var(--helix));
  position: relative;
  flex-shrink: 0;
}

.concierge-avatar::after {
  content: '';
  position: absolute;
  bottom: -2px; right: -2px;
  width: 12px; height: 12px;
  background: var(--aether);
  border: 2px solid var(--void);
  border-radius: 50%;
}

.concierge-head h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--platinum);
}

.concierge-head p {
  font-size: var(--fs-mono);
  color: var(--mercury);
  letter-spacing: 0.1em;
}

.concierge-close {
  width: 32px; height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--mercury);
  transition: all 0.3s var(--ease);
}

.concierge-close:hover {
  background: rgba(255,255,255,0.05);
  color: var(--platinum);
}

.concierge-body {
  flex: 1;
  padding: 20px 24px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
  scrollbar-width: thin;
  scrollbar-color: var(--line-hi) transparent;
}

.concierge-body::-webkit-scrollbar { width: 4px; }
.concierge-body::-webkit-scrollbar-thumb { background: var(--line-hi); border-radius: 2px; }

.msg {
  max-width: 85%;
  padding: 12px 16px;
  border-radius: 16px;
  font-size: 0.9375rem;
  line-height: 1.5;
  animation: msgIn 0.4s var(--ease);
}

@keyframes msgIn {
  from { opacity: 0; transform: translateY(8px); }
}

.msg-bot {
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--platinum);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.msg-user {
  background: var(--nexus);
  color: var(--void);
  align-self: flex-end;
  border-bottom-right-radius: 4px;
  font-weight: 500;
}

.msg-typing {
  display: inline-flex;
  gap: 4px;
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  border-bottom-left-radius: 4px;
  align-self: flex-start;
}

.msg-typing span {
  width: 6px; height: 6px;
  background: var(--mercury);
  border-radius: 50%;
  animation: typing 1.4s ease-in-out infinite;
}

.msg-typing span:nth-child(2) { animation-delay: 0.2s; }
.msg-typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-6px); opacity: 1; }
}

.concierge-suggestions {
  padding: 0 24px 16px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.suggestion {
  padding: 8px 14px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 100px;
  font-size: var(--fs-mono);
  color: var(--mercury);
  transition: all 0.3s var(--ease);
  letter-spacing: 0.05em;
}

.suggestion:hover {
  border-color: var(--nexus);
  color: var(--nexus);
  background: rgba(0, 229, 255, 0.05);
}

.concierge-input {
  padding: 16px 20px;
  border-top: 1px solid var(--line);
  display: flex;
  gap: 8px;
  align-items: center;
}

.concierge-input input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--platinum);
  font: inherit;
  font-size: 0.9375rem;
}

.concierge-input input::placeholder { color: var(--muted); }

.concierge-send {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--nexus);
  color: var(--void);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s var(--ease);
  flex-shrink: 0;
}

.concierge-send:hover {
  background: var(--platinum);
  transform: scale(1.05);
}

.concierge-send svg { width: 16px; height: 16px; }

@media (max-width: 480px) {
  .concierge { bottom: 16px; right: 16px; }
  .concierge-panel { width: calc(100vw - 32px); right: -8px; }
  .concierge-btn span { display: none; }
  .concierge-btn { padding: 14px; }
}

/* ============================================================
   Reveal animations
   ============================================================ */

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1s var(--ease), transform 1s var(--ease);
}

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

.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal-stagger.in > *:nth-child(1) { transition-delay: 0.0s; }
.reveal-stagger.in > *:nth-child(2) { transition-delay: 0.1s; }
.reveal-stagger.in > *:nth-child(3) { transition-delay: 0.2s; }
.reveal-stagger.in > *:nth-child(4) { transition-delay: 0.3s; }
.reveal-stagger.in > *:nth-child(5) { transition-delay: 0.4s; }
.reveal-stagger.in > *:nth-child(6) { transition-delay: 0.5s; }

.reveal-stagger.in > * { opacity: 1; transform: translateY(0); }

/* Text reveal per word/char */
.split-text .word {
  display: inline-block;
  overflow: hidden;
}

.split-text .word > span {
  display: inline-block;
  transform: translateY(110%);
  transition: transform 0.8s var(--ease);
}

.split-text.in .word > span { transform: translateY(0); }

/* ============================================================
   Grain overlay
   ============================================================ */

body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9990;
  pointer-events: none;
  opacity: 0.04;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.8'/></svg>");
}

/* ============================================================
   Utilities
   ============================================================ */

.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;
}

.no-scroll { overflow: hidden; }