/* ============================================================
   Dr. Jaideep Rao — Personal Site
   Aesthetic: Futuristic editorial, deep-space dark, glass UI,
              neon violet/cyan accents, with a quiet scientific
              precision underneath the showmanship.
   ============================================================ */

/* ---------- FONTS ---------- */
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=Manrope:wght@200;300;400;500;600;700;800&family=Instrument+Serif:ital@0;1&family=JetBrains+Mono:wght@300;400;500;600&display=swap');

/* ---------- ROOT TOKENS ---------- */
:root {
  /* Color system */
  --bg-0: #05060a;
  --bg-1: #0a0c12;
  --bg-2: #11141c;
  --bg-3: #1a1e29;

  --glass-bg: rgba(255, 255, 255, 0.035);
  --glass-bg-hover: rgba(255, 255, 255, 0.06);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-strong: rgba(255, 255, 255, 0.14);

  --text-0: #ffffff;
  --text-1: #e8e9ee;
  --text-2: #a8acba;
  --text-3: #6b6f7d;
  --text-4: #41444e;

  --violet: #7c5cff;
  --violet-bright: #9d83ff;
  --violet-deep: #4a2dff;
  --cyan: #00e0ff;
  --cyan-soft: #6df0ff;
  --magenta: #ff2e9a;
  --amber: #ffb547;
  --emerald: #2fe6a8;

  /* Gradients */
  --grad-primary: linear-gradient(135deg, #7c5cff 0%, #00e0ff 100%);
  --grad-secondary: linear-gradient(135deg, #ff2e9a 0%, #7c5cff 100%);
  --grad-text: linear-gradient(180deg, #ffffff 0%, #b7b9c4 100%);
  --grad-radial-violet: radial-gradient(circle at center, rgba(124, 92, 255, 0.35) 0%, transparent 70%);
  --grad-radial-cyan: radial-gradient(circle at center, rgba(0, 224, 255, 0.25) 0%, transparent 70%);

  /* Typography */
  --font-display: 'Syne', sans-serif;
  --font-body: 'Manrope', sans-serif;
  --font-serif: 'Instrument Serif', serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing scale */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;
  --space-2xl: 12rem;

  /* Radii */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --r-xl: 32px;
  --r-full: 999px;

  /* Shadows */
  --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  --shadow-elev: 0 24px 60px rgba(0, 0, 0, 0.55);
  --shadow-violet: 0 0 40px rgba(124, 92, 255, 0.4);
  --shadow-cyan: 0 0 40px rgba(0, 224, 255, 0.35);

  /* Easings */
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out-circ: cubic-bezier(0.85, 0, 0.15, 1);

  /* Layout */
  --max-w: 1320px;
  --nav-h: 78px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scrollbar-width: thin;
  scrollbar-color: var(--violet) var(--bg-1);
}

html::-webkit-scrollbar { width: 8px; }
html::-webkit-scrollbar-track { background: var(--bg-0); }
html::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--violet), var(--cyan));
  border-radius: 4px;
}

body {
  font-family: var(--font-body);
  background: var(--bg-0);
  color: var(--text-1);
  line-height: 1.6;
  font-weight: 300;
  font-size: 16px;
  letter-spacing: -0.01em;
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.3s var(--ease-out-quart); }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul, ol { list-style: none; }

::selection { background: var(--violet); color: white; }

/* ============================================================
   GLOBAL BACKGROUND  —  animated grid + floating orbs
   ============================================================ */

.bg-canvas {
  position: fixed;
  inset: 0;
  z-index: -4;
  background:
    radial-gradient(circle at 15% 10%, rgba(124, 92, 255, 0.17) 0%, transparent 45%),
    radial-gradient(circle at 85% 90%, rgba(0, 224, 255, 0.13) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(255, 46, 154, 0.09) 0%, transparent 60%),
    var(--bg-0);
}

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -3;
  background-image:
    linear-gradient(rgba(124, 92, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 92, 255, 0.06) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  pointer-events: none;
}

.bg-noise {
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  z-index: -2;
  pointer-events: none;
  opacity: 0.72;
  will-change: transform;
}

.orb-1 {
  width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(124, 92, 255, 0.6), transparent 70%);
  top: -150px; left: -150px;
  animation: floatOrb 22s ease-in-out infinite;
}

.orb-2 {
  width: 560px; height: 560px;
  background: radial-gradient(circle, rgba(0, 224, 255, 0.42), transparent 70%);
  bottom: -200px; right: -200px;
  animation: floatOrb 28s ease-in-out infinite reverse;
}

.orb-3 {
  width: 360px; height: 360px;
  background: radial-gradient(circle, rgba(255, 46, 154, 0.36), transparent 70%);
  top: 60%; left: 40%;
  animation: floatOrb 35s ease-in-out infinite;
  animation-delay: -10s;
}

@keyframes floatOrb {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(80px, -60px) scale(1.1); }
  66% { transform: translate(-50px, 80px) scale(0.9); }
}

/* ============================================================
   LOADER
   ============================================================ */
.loader {
  position: fixed;
  inset: 0;
  background: var(--bg-0);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 2rem;
  transition: opacity 0.8s var(--ease-out-quart), visibility 0.8s var(--ease-out-quart);
}

.loader.gone {
  opacity: 0;
  visibility: hidden;
}

.loader-mark {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  position: relative;
  background: conic-gradient(from 0deg, transparent, var(--violet), var(--cyan), transparent);
  animation: spinLoader 1.4s linear infinite;
}

.loader-mark::before {
  content: '';
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: var(--bg-0);
}

.loader-mark::after {
  content: 'J';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2rem;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.loader-text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-3);
}

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

/* ============================================================
   CUSTOM CURSOR — REMOVED at user request
   ============================================================ */

/* ============================================================
   PARTICLE NETWORK CANVAS
   Floats above content as a constellation overlay.
   pointer-events: none so it never blocks clicks.
   ============================================================ */
.particle-canvas {
  position: fixed;
  inset: 0;
  z-index: 50;        /* above content cards, below nav (100) */
  pointer-events: none;
  opacity: 0.65;
  mix-blend-mode: screen;
}

/* ============================================================
   PROGRESS BAR
   ============================================================ */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  background: var(--grad-primary);
  z-index: 200;
  width: 0%;
  transition: width 0.1s linear;
  box-shadow: 0 0 10px rgba(124, 92, 255, 0.6);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  padding: 0 var(--space-md);
  transition: all 0.4s var(--ease-out-quart);
}

.nav.scrolled {
  background: rgba(5, 6, 10, 0.7);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  border-bottom: 1px solid var(--glass-border);
  height: 64px;
}

.nav-inner {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  z-index: 102;
}

.nav-logo-mark {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--grad-primary);
  display: grid;
  place-items: center;
  color: white;
  font-weight: 800;
  box-shadow: var(--shadow-violet);
  position: relative;
  overflow: hidden;
}

.nav-logo-mark::before {
  content: '';
  position: absolute;
  inset: -50%;
  background: conic-gradient(from 0deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: spinSlow 4s linear infinite;
}

.nav-logo-mark span {
  position: relative;
  z-index: 1;
}

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

.nav-logo-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-links {
  display: flex;
  gap: 0.4rem;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-full);
  padding: 0.4rem;
}

.nav-link {
  padding: 0.55rem 1.2rem;
  border-radius: var(--r-full);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--text-2);
  position: relative;
  transition: all 0.3s var(--ease-out-quart);
}

.nav-link:hover { color: var(--text-0); }

.nav-link.active {
  color: white;
  background: rgba(124, 92, 255, 0.18);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.1);
}

.nav-cta {
  padding: 0.7rem 1.4rem;
  background: var(--grad-primary);
  color: white;
  border-radius: var(--r-full);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.01em;
  position: relative;
  overflow: hidden;
  transition: all 0.3s var(--ease-out-quart);
  box-shadow: 0 8px 24px rgba(124, 92, 255, 0.35);
}

.nav-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  opacity: 0;
  transition: opacity 0.4s;
}

.nav-cta:hover::before { opacity: 1; }
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 12px 32px rgba(124, 92, 255, 0.5); }

.nav-cta span { position: relative; z-index: 1; }

/* Mobile menu */
.nav-burger {
  display: none;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  z-index: 102;
}

.nav-burger span {
  width: 18px;
  height: 1.5px;
  background: var(--text-0);
  transition: all 0.3s var(--ease-out-quart);
}

.nav-burger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav-mobile {
  position: fixed;
  inset: 0;
  background: rgba(5, 6, 10, 0.95);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  z-index: 101;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s var(--ease-out-quart);
}

.nav-mobile.open {
  opacity: 1;
  visibility: visible;
}

.nav-mobile a {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  color: var(--text-1);
  letter-spacing: -0.02em;
}

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-burger { display: flex; }
}

/* ============================================================
   LAYOUT PRIMITIVES
   ============================================================ */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-xl) 0;
  position: relative;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-full);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-2);
  margin-bottom: 1.5rem;
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 1rem;
}

.section-title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  background: linear-gradient(135deg, var(--cyan), var(--violet-bright));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section-lead {
  font-size: 1.125rem;
  color: var(--text-2);
  max-width: 64ch;
  line-height: 1.65;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 1rem 1.8rem;
  border-radius: var(--r-full);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  transition: all 0.4s var(--ease-out-quart);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn-primary {
  background: var(--grad-primary);
  color: white;
  box-shadow: 0 10px 30px rgba(124, 92, 255, 0.35), inset 0 1px 0 rgba(255,255,255,0.15);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 0; height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
  transform: translate(-50%, -50%);
  transition: width 0.6s var(--ease-out-quart), height 0.6s var(--ease-out-quart);
}

.btn-primary:hover::before { width: 400px; height: 400px; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px rgba(124, 92, 255, 0.5); }

.btn-primary span, .btn-primary svg { position: relative; z-index: 1; }

.btn-ghost {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border-strong);
  color: var(--text-1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.btn-ghost:hover {
  background: var(--glass-bg-hover);
  border-color: var(--cyan);
  color: var(--cyan-soft);
  transform: translateY(-2px);
}

.btn svg {
  transition: transform 0.4s var(--ease-out-quart);
}

.btn:hover svg { transform: translateX(4px); }

/* ============================================================
   GLASS CARD
   ============================================================ */
.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-glass);
  position: relative;
  overflow: hidden;
}

.glass::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(255,255,255,0.18), transparent 40%, transparent 60%, rgba(124,92,255,0.2));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0.7;
}

/* ============================================================
   HERO (home page)
   ============================================================ */
.hero {
  min-height: 100vh;
  padding-top: calc(var(--nav-h) + 60px);
  padding-bottom: 80px;
  display: flex;
  align-items: center;
  position: relative;
}

/* Hero atmospheric background — the speaking photo, heavily darkened */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../images/speaking.png');
  background-size: cover;
  background-position: center;
  filter: grayscale(20%) contrast(1.05);
  opacity: 0.22;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(5,6,10,0.5) 0%, rgba(5,6,10,0.85) 100%),
    radial-gradient(ellipse at 30% 50%, rgba(5,6,10,0) 0%, rgba(5,6,10,0.6) 70%);
}

/* All hero content sits above the bg */
.hero > .container {
  position: relative;
  z-index: 1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 4rem;
  align-items: center;
  width: 100%;
}

.hero-tagline {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.55rem 1.1rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-full);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-2);
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
}

.hero-tagline-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--emerald);
  box-shadow: 0 0 12px var(--emerald);
  animation: pulse 2s ease-in-out infinite;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.04em;
  margin-bottom: 1.5rem;
}

.hero-title .line {
  display: block;
  overflow: hidden;
}

.hero-title .word {
  display: inline-block;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  background: linear-gradient(135deg, var(--cyan) 0%, var(--violet-bright) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
}

.hero-sub {
  font-size: 1.25rem;
  color: var(--text-2);
  line-height: 1.6;
  max-width: 540px;
  margin-bottom: 2.5rem;
  font-weight: 300;
}

.hero-sub strong {
  color: var(--text-1);
  font-weight: 500;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

.hero-meta {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.hero-meta-item {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-meta-item strong {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.6rem;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: -0.02em;
  text-transform: none;
}

/* Hero portrait */
.hero-portrait {
  position: relative;
  aspect-ratio: 4/5;
  border-radius: var(--r-xl);
  overflow: hidden;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border-strong);
  box-shadow: var(--shadow-elev), 0 0 80px rgba(124, 92, 255, 0.25);
}

.hero-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(1.05) saturate(1.05);
}

.hero-portrait-glow {
  position: absolute;
  inset: -2px;
  border-radius: var(--r-xl);
  background: conic-gradient(from 0deg, var(--violet), var(--cyan), var(--magenta), var(--violet));
  z-index: -1;
  filter: blur(20px);
  opacity: 0.55;
  animation: spinSlow 8s linear infinite;
}

.hero-portrait-badge {
  position: absolute;
  bottom: 1.2rem;
  left: 1.2rem;
  right: 1.2rem;
  padding: 1rem 1.2rem;
  background: rgba(10, 12, 18, 0.65);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.hero-portrait-badge .h-pb-l {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 0.2rem;
}

.hero-portrait-badge .h-pb-r {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-0);
}

.hero-portrait-badge .h-pb-icon {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--grad-primary);
  display: grid;
  place-items: center;
  color: white;
  font-weight: 700;
  flex-shrink: 0;
}

@media (max-width: 1000px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .hero-portrait { max-width: 480px; margin-left: auto; margin-right: auto; }
}

/* ============================================================
   MARQUEE STRIP
   ============================================================ */
.marquee {
  overflow: hidden;
  padding: 1.5rem 0;
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
  background: rgba(255,255,255,0.015);
  position: relative;
  mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.marquee-track {
  display: flex;
  gap: 4rem;
  white-space: nowrap;
  animation: marqueeScroll 40s linear infinite;
  width: max-content;
}

.marquee-item {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--text-2);
  display: flex;
  align-items: center;
  gap: 4rem;
  letter-spacing: -0.01em;
}

.marquee-item::after {
  content: '✦';
  color: var(--violet);
  margin-left: 4rem;
}

@keyframes marqueeScroll {
  to { transform: translateX(-50%); }
}

/* ============================================================
   FEATURE GRID
   ============================================================ */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 4rem;
}

.feature-card {
  padding: 2.5rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
  transition: all 0.5s var(--ease-out-quart);
  cursor: pointer;
}

.feature-card::before {
  content: '';
  position: absolute;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: var(--grad-radial-violet);
  top: var(--mouse-y, 50%);
  left: var(--mouse-x, 50%);
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}

.feature-card:hover {
  border-color: var(--glass-border-strong);
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.4);
}

.feature-card:hover::before { opacity: 1; }

.feature-card-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--text-3);
  margin-bottom: 1.5rem;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.8rem;
  color: var(--text-0);
}

.feature-card p {
  color: var(--text-2);
  font-size: 0.95rem;
  line-height: 1.65;
}

.feature-icon {
  width: 56px; height: 56px;
  border-radius: var(--r-md);
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.15), rgba(0, 224, 255, 0.1));
  border: 1px solid var(--glass-border-strong);
  display: grid;
  place-items: center;
  margin-bottom: 1.5rem;
  color: var(--cyan-soft);
}

@media (max-width: 760px) {
  .feature-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   APP SHOWCASE
   ============================================================ */
.app-showcase {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 4rem;
}

.app-card {
  position: relative;
  padding: 3rem 2.5rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-xl);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  overflow: hidden;
  transition: all 0.5s var(--ease-out-quart);
}

.app-card:hover {
  transform: translateY(-6px);
  border-color: var(--glass-border-strong);
  box-shadow: 0 30px 60px rgba(0,0,0,0.5);
}

.app-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(124, 92, 255, 0.18), transparent 50%);
  pointer-events: none;
  opacity: 0.8;
}

.app-card-pause::after { background: radial-gradient(circle at top right, rgba(124, 92, 255, 0.22), transparent 55%); }
.app-card-decades::after { background: radial-gradient(circle at top right, rgba(0, 224, 255, 0.18), transparent 55%); }

.app-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  position: relative;
  z-index: 1;
}

.app-logo {
  width: 72px;
  height: 72px;
  border-radius: var(--r-md);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: white;
  box-shadow: 0 12px 30px rgba(0,0,0,0.3);
  position: relative;
  overflow: hidden;
}

.app-logo-pause {
  background: linear-gradient(135deg, #7c5cff 0%, #4a2dff 100%);
}

.app-logo-decades {
  background: linear-gradient(135deg, #00e0ff 0%, #2fe6a8 100%);
}

.app-logo::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.4), transparent 60%);
}

.app-logo span { position: relative; z-index: 1; }

.app-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.8rem;
  background: rgba(47, 230, 168, 0.12);
  border: 1px solid rgba(47, 230, 168, 0.3);
  border-radius: var(--r-full);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--emerald);
}

.app-status-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--emerald);
  box-shadow: 0 0 8px var(--emerald);
  animation: pulse 2s ease-in-out infinite;
}

.app-card h3 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 0.6rem;
  color: var(--text-0);
  position: relative;
  z-index: 1;
}

.app-card-tag {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--text-2);
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}

.app-card p {
  color: var(--text-2);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 2rem;
  position: relative;
  z-index: 1;
}

.app-features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
  position: relative;
  z-index: 1;
}

.app-feature-tag {
  padding: 0.4rem 0.85rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-full);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-2);
  letter-spacing: 0.04em;
}

.app-card .btn {
  position: relative;
  z-index: 1;
}

@media (max-width: 900px) {
  .app-showcase { grid-template-columns: 1fr; }
}

/* ============================================================
   STATS BAR
   ============================================================ */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  padding: 3rem 0;
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
  margin-top: 4rem;
}

.stat {
  text-align: center;
  padding: 1rem;
}

.stat-num {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 0.6rem;
  display: block;
}

.stat-num-suffix {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-3);
}

@media (max-width: 760px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================================
   PAGE HEADER (interior pages)
   ============================================================ */
.page-header {
  padding-top: calc(var(--nav-h) + 100px);
  padding-bottom: 60px;
  position: relative;
  border-bottom: 1px solid var(--glass-border);
}

.page-header-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  align-items: end;
}

.page-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6.5rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.04em;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  background: linear-gradient(135deg, var(--cyan), var(--violet-bright));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-lead {
  font-size: 1.15rem;
  color: var(--text-2);
  max-width: 60ch;
  margin-top: 1.5rem;
  line-height: 1.65;
}

.page-meta {
  text-align: right;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-3);
  white-space: nowrap;
}

.page-meta strong {
  display: block;
  color: var(--text-0);
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  text-transform: none;
  margin-top: 0.4rem;
}

@media (max-width: 760px) {
  .page-header-inner { grid-template-columns: 1fr; }
  .page-meta { text-align: left; }
}

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 4rem;
  align-items: start;
}

.about-image {
  position: sticky;
  top: 120px;
  aspect-ratio: 4/5;
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--glass-border-strong);
  box-shadow: var(--shadow-elev), 0 0 60px rgba(124,92,255,0.2);
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-content h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 1.2rem;
  margin-top: 3rem;
  letter-spacing: -0.02em;
  color: var(--text-0);
}

.about-content h2:first-child { margin-top: 0; }

.about-content p {
  color: var(--text-2);
  font-size: 1.0625rem;
  line-height: 1.75;
  margin-bottom: 1.2rem;
}

.about-content p strong {
  color: var(--text-1);
  font-weight: 500;
}

@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .about-image { position: static; max-width: 480px; }
}

/* Credentials grid */
.creds {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 3rem;
}

.cred {
  padding: 1.5rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-md);
  backdrop-filter: blur(12px);
}

.cred-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 0.7rem;
}

.cred-value {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--text-0);
  line-height: 1.3;
}

@media (max-width: 760px) { .creds { grid-template-columns: 1fr; } }

/* ============================================================
   TIMELINE
   ============================================================ */
.timeline {
  margin-top: 3rem;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 12px;
  bottom: 12px;
  left: 11px;
  width: 1px;
  background: linear-gradient(180deg, var(--violet), var(--cyan), transparent);
  opacity: 0.5;
}

.timeline-item {
  position: relative;
  padding-left: 3rem;
  padding-bottom: 2.5rem;
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-item::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 8px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--violet);
  box-shadow: 0 0 0 4px rgba(124, 92, 255, 0.18), 0 0 20px var(--violet);
}

.timeline-year {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 0.4rem;
}

.timeline-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-0);
  letter-spacing: -0.01em;
  margin-bottom: 0.3rem;
}

.timeline-org {
  color: var(--text-2);
  font-size: 0.95rem;
  margin-bottom: 0.6rem;
}

.timeline-desc {
  color: var(--text-3);
  font-size: 0.92rem;
  line-height: 1.6;
  font-style: italic;
}

/* ============================================================
   RESEARCH LIST
   ============================================================ */
.research-list { margin-top: 4rem; }

.research-item {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 2rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--glass-border);
  position: relative;
  align-items: start;
  transition: all 0.4s var(--ease-out-quart);
  cursor: pointer;
}

.research-item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-radial-violet);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}

.research-item:hover::before { opacity: 0.6; }
.research-item:hover .research-title { color: var(--cyan-soft); }

.research-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-3);
  letter-spacing: 0.15em;
  padding-top: 0.4rem;
}

.research-main {
  position: relative;
  z-index: 1;
}

.research-tags {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.8rem;
  flex-wrap: wrap;
}

.research-tag {
  padding: 0.25rem 0.7rem;
  border-radius: var(--r-full);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.research-tag-under-review {
  background: rgba(255, 181, 71, 0.1);
  border: 1px solid rgba(255, 181, 71, 0.25);
  color: var(--amber);
}

.research-tag-published {
  background: rgba(47, 230, 168, 0.1);
  border: 1px solid rgba(47, 230, 168, 0.25);
  color: var(--emerald);
}

.research-tag-registered {
  background: rgba(0, 224, 255, 0.1);
  border: 1px solid rgba(0, 224, 255, 0.25);
  color: var(--cyan);
}

.research-tag-active {
  background: rgba(124, 92, 255, 0.12);
  border: 1px solid rgba(124, 92, 255, 0.3);
  color: var(--violet-bright);
}

.research-tag-completed {
  background: rgba(47, 230, 168, 0.1);
  border: 1px solid rgba(47, 230, 168, 0.25);
  color: var(--emerald);
}

.research-tag-type {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-2);
}

.research-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-0);
  line-height: 1.25;
  margin-bottom: 0.8rem;
  transition: color 0.3s;
}

.research-meta {
  color: var(--text-2);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 0.6rem;
}

.research-meta strong { color: var(--text-1); font-weight: 500; }

.research-id {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-3);
  letter-spacing: 0.05em;
}

.research-id a { color: var(--cyan); border-bottom: 1px dashed rgba(0,224,255,0.3); }
.research-id a:hover { color: var(--cyan-soft); }

.research-arrow {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  color: var(--text-3);
  align-self: center;
  transition: transform 0.4s var(--ease-out-quart), color 0.3s;
}

.research-item:hover .research-arrow {
  color: var(--cyan);
  transform: translateX(8px);
}

@media (max-width: 760px) {
  .research-item { grid-template-columns: 1fr; gap: 0.6rem; }
  .research-num { padding-top: 0; }
  .research-arrow { display: none; }
  .research-title { font-size: 1.25rem; }
}

/* ============================================================
   CONFERENCE / TEACHING GRIDS
   ============================================================ */
.two-col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.three-col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

@media (max-width: 900px) {
  .two-col { grid-template-columns: 1fr; }
  .three-col { grid-template-columns: 1fr; }
}

.info-card {
  padding: 2rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  backdrop-filter: blur(14px);
  transition: all 0.4s var(--ease-out-quart);
  position: relative;
  overflow: hidden;
}

.info-card:hover {
  transform: translateY(-4px);
  border-color: var(--glass-border-strong);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.info-card-kicker {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 0.8rem;
}

.info-card h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-0);
  letter-spacing: -0.02em;
  margin-bottom: 0.6rem;
  line-height: 1.3;
}

.info-card p {
  color: var(--text-2);
  font-size: 0.95rem;
  line-height: 1.65;
}

.info-card ul {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.info-card li {
  color: var(--text-2);
  font-size: 0.92rem;
  line-height: 1.55;
  padding-left: 1.2rem;
  position: relative;
}

.info-card li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.55rem;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--grad-primary);
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 4rem;
  margin-top: 3rem;
  align-items: start;
}

.contact-card {
  padding: 3rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--r-xl);
  backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
}

.contact-card::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 300px; height: 300px;
  background: var(--grad-radial-violet);
  pointer-events: none;
}

.contact-email-wrap {
  position: relative;
  z-index: 1;
}

.contact-email-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 0.7rem;
}

.contact-email {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.4rem, 3.5vw, 2.4rem);
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: -0.02em;
  word-break: break-all;
  transition: opacity 0.3s;
}

.contact-email:hover { opacity: 0.8; }

.contact-note {
  margin-top: 2rem;
  color: var(--text-2);
  font-size: 1rem;
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

.contact-note em {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--text-1);
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.channel {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.2rem 1.4rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-md);
  transition: all 0.3s var(--ease-out-quart);
  backdrop-filter: blur(10px);
}

.channel:hover {
  border-color: var(--glass-border-strong);
  background: var(--glass-bg-hover);
  transform: translateX(4px);
}

.channel-icon {
  width: 44px; height: 44px;
  border-radius: var(--r-md);
  background: linear-gradient(135deg, rgba(124,92,255,0.18), rgba(0,224,255,0.1));
  display: grid;
  place-items: center;
  flex-shrink: 0;
  color: var(--cyan-soft);
}

.channel-content {
  flex: 1;
  min-width: 0;
}

.channel-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 0.2rem;
}

.channel-value {
  color: var(--text-1);
  font-weight: 500;
  font-size: 0.95rem;
  word-break: break-all;
}

@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .contact-card { padding: 2rem; }
}

/* ============================================================
   CONTACT FORM
   ============================================================ */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.contact-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 600px) {
  .contact-form-row { grid-template-columns: 1fr; }
}

.contact-form .field-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 0.5rem;
}

.contact-form .field-input,
.contact-form .field-textarea {
  width: 100%;
  padding: 0.9rem 1.1rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-md);
  color: var(--text-1);
  font-size: 0.95rem;
  font-family: var(--font-body);
  outline: none;
  transition: all 0.3s var(--ease-out-quart);
}

.contact-form .field-input:focus,
.contact-form .field-textarea:focus {
  border-color: var(--violet);
  box-shadow: 0 0 0 3px rgba(124,92,255,0.15);
  background: rgba(255,255,255,0.06);
}

.contact-form .field-input::placeholder,
.contact-form .field-textarea::placeholder { color: var(--text-3); }

.contact-form .field-textarea {
  resize: vertical;
  min-height: 160px;
  line-height: 1.6;
}

/* Honeypot — hidden from real users, visible to bots */
.contact-form .honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.contact-form-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.contact-form-note {
  font-size: 0.82rem;
  color: var(--text-3);
  line-height: 1.5;
}

.form-status {
  padding: 1rem 1.2rem;
  border-radius: var(--r-md);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-top: 0.5rem;
}
.form-status code {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  background: rgba(0,0,0,0.3);
  padding: 0.1rem 0.4rem;
  border-radius: var(--r-sm);
}
.form-status-success {
  background: rgba(47,230,168,0.08);
  border: 1px solid rgba(47,230,168,0.25);
  color: var(--emerald);
}
.form-status-error {
  background: rgba(255,77,109,0.08);
  border: 1px solid rgba(255,77,109,0.25);
  color: var(--red, #ff4d6d);
}
.form-status-warn {
  background: rgba(255,181,71,0.08);
  border: 1px solid rgba(255,181,71,0.25);
  color: var(--amber);
}
.form-status-info {
  background: rgba(0,224,255,0.08);
  border: 1px solid rgba(0,224,255,0.25);
  color: var(--cyan-soft, var(--cyan));
}

/* Email reveal block */
.email-reveal {
  margin-top: 2rem;
  padding: 1.4rem 1.6rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-md);
  backdrop-filter: blur(10px);
}
.email-reveal-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 0.7rem;
}
.email-reveal-row {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.btn-sm {
  padding: 0.5rem 0.9rem;
  font-size: 0.82rem;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: 5rem 0 3rem;
  border-top: 1px solid var(--glass-border);
  margin-top: 6rem;
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand .nav-logo { margin-bottom: 1.2rem; }

.footer-tag {
  color: var(--text-2);
  font-size: 0.95rem;
  line-height: 1.65;
  max-width: 38ch;
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 1.2rem;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.footer-col a {
  color: var(--text-2);
  font-size: 0.95rem;
  transition: color 0.3s;
}

.footer-col a:hover { color: var(--cyan-soft); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid var(--glass-border);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-3);
  letter-spacing: 0.06em;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom a { color: var(--text-2); }
.footer-bottom a:hover { color: var(--cyan); }

@media (max-width: 760px) {
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* ============================================================
   REVEAL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1s var(--ease-out-quart), transform 1s var(--ease-out-quart);
}

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

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

/* Letter-by-letter reveal */
.text-reveal {
  overflow: hidden;
}

.text-reveal .word-anim {
  display: inline-block;
  opacity: 0;
  transform: translateY(100%);
  transition: opacity 0.8s var(--ease-out-quart), transform 0.8s var(--ease-out-quart);
}

.text-reveal.in .word-anim {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   UTILS
   ============================================================ */
.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;
}

.gradient-text {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--glass-border-strong), transparent);
  margin: 5rem 0;
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001s !important;
    transition-duration: 0.001s !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* INGOLABS stat grid — responsive collapse */
@media (max-width: 760px) {
  .ingolabs-stats { grid-template-columns: 1fr 1fr !important; }
}
@media (max-width: 420px) {
  .ingolabs-stats { grid-template-columns: 1fr !important; }
}

/* ============================================================
   NAV DROPDOWN  (Apps menu)
   ============================================================ */
.nav-dropdown { position: relative; display: flex; }

.nav-dropdown-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  cursor: pointer;
}
.nav-dropdown-trigger svg { transition: transform 0.3s var(--ease-out-quart); opacity: 0.7; }
.nav-dropdown:hover .nav-dropdown-trigger svg,
.nav-dropdown:focus-within .nav-dropdown-trigger svg { transform: rotate(180deg); }

.nav-dropdown-panel {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 230px;
  margin-top: 12px;
  padding: 0.5rem;
  background: rgba(10, 12, 18, 0.88);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-elev);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s var(--ease-out-quart), transform 0.3s var(--ease-out-quart), visibility 0.3s;
  z-index: 105;
}
/* invisible hover bridge so the panel doesn't close in the gap */
.nav-dropdown-panel::before {
  content: '';
  position: absolute;
  top: -14px; left: 0; right: 0;
  height: 14px;
}
.nav-dropdown:hover .nav-dropdown-panel,
.nav-dropdown:focus-within .nav-dropdown-panel {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.nav-dd-item {
  width: 100%;
  justify-content: flex-start !important;
  border-radius: 9px;
  padding: 0.6rem 0.9rem !important;
  white-space: nowrap;
}
.nav-dd-item:hover {
  background: rgba(124, 92, 255, 0.16);
  color: var(--text-0);
}
.nav-dd-item.active {
  background: rgba(124, 92, 255, 0.2);
  color: #fff;
}

/* ============================================================
   FOOTER — 4-column layout (brand + 3 link columns)
   ============================================================ */
.footer-grid { grid-template-columns: 1.6fr 1fr 1fr 1fr; }

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
}