/* ============================================
   iTechLabs — Core Styles
   Dark Theme · Logo-Inspired Palette
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #111118;
  --bg-card: #14141e66;
  --bg-card-hover: #1a1a2899;
  --text-primary: #f0f0f5;
  --text-secondary: #9999b3;
  --text-muted: #666680;

  /* Logo-inspired palette */
  --clr-green: #78BE20;
  --clr-gold: #FFD100;
  --clr-orange: #FF8C00;
  --clr-red: #E53935;
  --clr-magenta: #9C27B0;
  --clr-blue: #2196F3;

  /* Accent system */
  --accent-primary: #FF8C00;
  --accent-secondary: #78BE20;
  --accent-blue: #2196F3;
  --accent-green: #78BE20;
  --accent-yellow: #facc15;
  --accent-warm: #E53935;

  /* Gradients */
  --gradient-main: linear-gradient(135deg, #78BE20, #FFD100, #FF8C00);
  --gradient-spectrum: linear-gradient(135deg, #78BE20, #FFD100, #FF8C00, #E53935, #9C27B0, #2196F3);
  --gradient-warm: linear-gradient(135deg, #FF8C00, #E53935);
  --gradient-cool: linear-gradient(135deg, #9C27B0, #2196F3);

  /* Glows */
  --glow-primary: 0 0 30px rgba(255,140,0,.30);
  --glow-green: 0 0 30px rgba(120,190,32,.25);
  --glow-blue: 0 0 30px rgba(33,150,243,.25);

  /* Borders */
  --border-subtle: 1px solid rgba(255,255,255,.06);
  --border-glow: 1px solid rgba(255,140,0,.22);

  /* Radii */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;

  /* Fonts */
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Space Grotesk', var(--font-main);
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Motion */
  --transition-fast: .2s cubic-bezier(.4,0,.2,1);
  --transition-smooth: .45s cubic-bezier(.4,0,.2,1);

  /* Layout */
  --container-max: 1280px;
  --nav-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-main);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; }
ul, ol { list-style: none; }
input, textarea, select { font: inherit; color: inherit; background: none; border: none; outline: none; }

/* --- Utility --- */
.container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }

.section { padding: 120px 0; position: relative; }
.section--sm { padding: 80px 0; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); border: 0;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.heading-xl {
  font-size: clamp(2.2rem, 4.2vw, 4.2rem);
  background: var(--gradient-spectrum);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.heading-lg { font-size: clamp(2rem, 4vw, 3.4rem); }
.heading-md { font-size: clamp(1.5rem, 2.5vw, 2rem); }
.heading-sm { font-size: clamp(1.15rem, 1.8vw, 1.4rem); }

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

.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  border-radius: 100px;
  background: rgba(255,140,0,.10);
  color: var(--accent-primary);
  border: 1px solid rgba(255,140,0,.18);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  font-size: .95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn--primary {
  background: var(--gradient-main);
  color: #fff;
  box-shadow: var(--glow-primary);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 50px rgba(255,140,0,.45);
}

.btn--secondary {
  background: transparent;
  color: var(--text-primary);
  border: var(--border-glow);
}

.btn--secondary:hover {
  background: rgba(255,140,0,.07);
  border-color: var(--accent-primary);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--accent-primary);
  padding: 8px 0;
}

.btn--ghost:hover { gap: 14px; }

.btn--ghost::after {
  content: '→';
  transition: var(--transition-fast);
}

.btn--lg { padding: 18px 42px; font-size: 1.05rem; border-radius: var(--radius-lg); }
.btn--sm { padding: 10px 22px; font-size: .85rem; }

/* --- Glass Card --- */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,140,0,.35), rgba(255,209,0,.25), transparent);
  opacity: 0;
  transition: var(--transition-smooth);
}

.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255,140,0,.12);
  transform: translateY(-4px);
}

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

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  z-index: 1000;
  background: rgba(10,10,15,.7);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: var(--border-subtle);
  transition: var(--transition-smooth);
}

.nav.scrolled {
  background: rgba(10,10,15,.92);
  box-shadow: 0 4px 30px rgba(0,0,0,.3);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.nav__logo-img {
  height: 38px;
  width: auto;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav__link {
  padding: 8px 18px;
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  position: relative;
}

.nav__link:hover,
.nav__link.active {
  color: var(--text-primary);
  background: rgba(255,140,0,.07);
}

.nav__link.active::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 20px; height: 2px;
  background: var(--gradient-main);
  border-radius: 2px;
}

.nav__cta { margin-left: 12px; }

/* Mobile Menu */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}

.nav__hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition-fast);
}

.nav__mobile {
  display: none;
  position: fixed;
  top: var(--nav-height); left: 0; right: 0; bottom: 0;
  background: rgba(10,10,15,.96);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  padding: 40px 24px;
  z-index: 999;
}

.nav__mobile.open { display: flex; flex-direction: column; gap: 8px; }

.nav__mobile .nav__link {
  font-size: 1.2rem;
  padding: 16px;
  border-radius: var(--radius-md);
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: var(--nav-height);
  overflow: hidden;
}

.hero__bg {
  position: absolute; inset: 0;
  z-index: 0;
}

.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,140,0,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,140,0,.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .30;
  animation: orbFloat 8s ease-in-out infinite;
}

.hero__orb--1 {
  width: 500px; height: 500px;
  background: var(--clr-orange);
  top: -10%; right: -5%;
}

.hero__orb--2 {
  width: 400px; height: 400px;
  background: var(--clr-green);
  bottom: -10%; left: -5%;
  animation-delay: -4s;
}

.hero__orb--3 {
  width: 250px; height: 250px;
  background: var(--clr-blue);
  top: 40%; left: 30%;
  animation-delay: -2s;
  opacity: .18;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(.95); }
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero__badge {
  margin-bottom: 28px;
  animation: fadeUp .8s .2s both;
}

.hero__title {
  margin-bottom: 24px;
  animation: fadeUp .8s .4s both;
}

.hero__subtitle {
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 40px;
  animation: fadeUp .8s .6s both;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  animation: fadeUp .8s .8s both;
}

.hero__stats {
  display: flex;
  gap: 48px;
  margin-top: 64px;
  animation: fadeUp .8s 1s both;
}

.hero__stat-value {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  background: var(--gradient-spectrum);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__stat-label {
  font-size: .85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Section Header --- */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 72px;
}

.section-header .badge { margin-bottom: 20px; }
.section-header h2 { margin-bottom: 16px; }
.section-header p { color: var(--text-secondary); font-size: 1.05rem; }

/* --- Services Cards --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.service-card {
  padding: 40px 32px;
}

.service-card__icon {
  width: 56px; height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 24px;
  background: rgba(255,140,0,.08);
  border: 1px solid rgba(255,140,0,.14);
  box-shadow: var(--glow-primary);
  transition: var(--transition-smooth);
}

.service-card:hover .service-card__icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 0 40px rgba(255,140,0,.45);
}

.service-card__title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.service-card__text {
  color: var(--text-secondary);
  font-size: .95rem;
  margin-bottom: 20px;
}

/* --- Projects Grid --- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 28px;
}

.project-card {
  padding: 0;
  overflow: hidden;
  cursor: pointer;
}

.project-card__image {
  width: 100%;
  height: 220px;
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.project-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.project-card:hover .project-card__image img {
  transform: scale(1.05);
}

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,10,15,.9), transparent);
  display: flex;
  align-items: flex-end;
  padding: 24px;
  opacity: 0;
  transition: var(--transition-smooth);
}

.project-card:hover .project-card__overlay { opacity: 1; }

.project-card__body { padding: 28px; }

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.project-card__tag {
  font-size: .75rem;
  padding: 4px 12px;
  border-radius: 100px;
  background: rgba(33,150,243,.1);
  color: var(--accent-blue);
  border: 1px solid rgba(33,150,243,.15);
}

.project-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.project-card__desc {
  color: var(--text-secondary);
  font-size: .9rem;
}

/* --- Filters --- */
.filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 48px;
}

.filter-btn {
  padding: 10px 24px;
  font-size: .85rem;
  font-weight: 600;
  border-radius: 100px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  background: rgba(255,140,0,.10);
  border-color: rgba(255,140,0,.28);
  color: var(--accent-primary);
}

/* --- Process / Steps --- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
  counter-reset: step;
}

.process-step {
  text-align: center;
  padding: 44px 28px;
  counter-increment: step;
}

.process-step::after {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  top: 20px; right: 24px;
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 900;
  color: rgba(255,140,0,.07);
  line-height: 1;
}

.process-step__icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto 24px;
  box-shadow: var(--glow-primary);
}

.process-step__title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.process-step__text {
  color: var(--text-secondary);
  font-size: .9rem;
}

/* --- Testimonials --- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px;
}

.testimonial-card {
  padding: 36px;
}

.testimonial-card__stars {
  color: #facc15;
  font-size: 1rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.testimonial-card__text {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.testimonial-card__avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .85rem;
}

.testimonial-card__name {
  font-weight: 600;
  font-size: .95rem;
}

.testimonial-card__role {
  font-size: .8rem;
  color: var(--text-muted);
}

/* --- CTA Banner --- */
.cta-banner {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 80px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle at center, rgba(255,140,0,.06), transparent 60%);
  animation: ctaPulse 6s ease-in-out infinite;
}

@keyframes ctaPulse {
  0%, 100% { transform: scale(1); opacity: .5; }
  50% { transform: scale(1.1); opacity: 1; }
}

.cta-banner h2 { margin-bottom: 16px; position: relative; }
.cta-banner p { color: var(--text-secondary); margin-bottom: 36px; max-width: 480px; margin-inline: auto; position: relative; }
.cta-banner .btn { position: relative; }

/* --- Team Grid --- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}

.team-card {
  text-align: center;
  padding: 44px 28px;
}

.team-card__avatar {
  width: 90px; height: 90px;
  border-radius: 50%;
  background: var(--gradient-main);
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 800;
  box-shadow: var(--glow-primary);
}

.team-card__name { font-size: 1.1rem; font-weight: 700; margin-bottom: 4px; }
.team-card__role { color: var(--accent-primary); font-size: .85rem; font-weight: 600; margin-bottom: 12px; }
.team-card__bio { color: var(--text-secondary); font-size: .9rem; }

/* --- Contact Form --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.form-group { margin-bottom: 24px; }

.form-group label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-input, .form-textarea {
  width: 100%;
  padding: 14px 18px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: .95rem;
  transition: var(--transition-fast);
}

.form-input:focus, .form-textarea:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(255,140,0,.12);
}

.form-textarea { min-height: 140px; resize: vertical; }

.contact-info { display: flex; flex-direction: column; gap: 32px; }

.contact-info__item {
  display: flex;
  gap: 18px;
}

.contact-info__icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  background: rgba(255,140,0,.08);
  border: 1px solid rgba(255,140,0,.14);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-info__label { font-size: .85rem; color: var(--text-muted); margin-bottom: 4px; }
.contact-info__value { font-weight: 600; }

/* --- Labs / Demo Section --- */
.labs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px;
}

.lab-card {
  padding: 0;
  overflow: hidden;
}

.lab-card__preview {
  height: 200px;
  background: var(--bg-secondary);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.lab-card__canvas {
  position: absolute; inset: 0;
}

.lab-card__body { padding: 28px; }

.lab-card__status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: .75rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.lab-card__status--live {
  background: rgba(34,197,94,.12);
  color: #22c55e;
  border: 1px solid rgba(34,197,94,.2);
}

.lab-card__status--beta {
  background: rgba(250,204,21,.12);
  color: #facc15;
  border: 1px solid rgba(250,204,21,.2);
}

.lab-card__status--soon {
  background: rgba(255,140,0,.10);
  color: var(--accent-primary);
  border: 1px solid rgba(255,140,0,.18);
}

.lab-card__status--live::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: #22c55e; animation: pulse 2s infinite; }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .4; }
}

.lab-card__title { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
.lab-card__desc { font-size: .9rem; color: var(--text-secondary); margin-bottom: 20px; }

/* --- Case Study --- */
.case-hero {
  padding: 160px 0 80px;
  position: relative;
}

.case-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 24px;
}

.case-hero__meta-item { font-size: .9rem; color: var(--text-secondary); }
.case-hero__meta-item strong { color: var(--text-primary); }

.case-content { max-width: 800px; margin: 0 auto; }

.case-content h3 {
  font-size: 1.4rem;
  margin: 48px 0 16px;
}

.case-content p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.case-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 24px;
  margin: 48px 0;
}

.case-stat {
  text-align: center;
  padding: 32px;
}

.case-stat__value {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 800;
  background: var(--gradient-spectrum);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.case-stat__label { font-size: .85rem; color: var(--text-muted); margin-top: 6px; }

/* --- Footer --- */
.footer {
  padding: 80px 0 32px;
  border-top: var(--border-subtle);
  background: var(--bg-secondary);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer__brand p { color: var(--text-secondary); margin-top: 16px; font-size: .9rem; max-width: 300px; }

.footer__heading {
  font-size: .85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.footer__link {
  display: block;
  padding: 6px 0;
  color: var(--text-secondary);
  font-size: .9rem;
  transition: var(--transition-fast);
}

.footer__link:hover { color: var(--accent-primary); transform: translateX(4px); }

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: var(--border-subtle);
  font-size: .85rem;
  color: var(--text-muted);
}

.footer__socials {
  display: flex;
  gap: 12px;
}

.footer__social {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .9rem;
  transition: var(--transition-fast);
}

.footer__social:hover {
  background: rgba(255,140,0,.10);
  border-color: rgba(255,140,0,.28);
  color: var(--accent-primary);
}

.footer__logo-img {
  height: 32px;
  width: auto;
}

/* --- Particle Canvas --- */
#particles-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: .4;
}

/* --- Scroll Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity .8s cubic-bezier(.4,0,.2,1), transform .8s cubic-bezier(.4,0,.2,1);
}

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

.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }
.reveal-delay-4 { transition-delay: .4s; }

/* --- Neural Network Animation (Labs) --- */
.neural-net {
  width: 100%; height: 100%;
  position: relative;
}

.neural-node {
  position: absolute;
  width: 10px; height: 10px;
  background: var(--accent-primary);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-primary);
  animation: nodeGlow 3s ease-in-out infinite;
}

@keyframes nodeGlow {
  0%, 100% { opacity: .4; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.4); }
}

/* --- About Timeline --- */
.timeline {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--clr-green), var(--clr-orange), var(--clr-red), transparent);
}

.timeline__item {
  position: relative;
  margin-bottom: 48px;
}

.timeline__item::before {
  content: '';
  position: absolute;
  left: -44px; top: 6px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--accent-primary);
  box-shadow: 0 0 10px var(--accent-primary);
}

.timeline__year {
  font-family: var(--font-mono);
  font-size: .85rem;
  color: var(--accent-primary);
  margin-bottom: 8px;
}

.timeline__title { font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; }
.timeline__text { color: var(--text-secondary); font-size: .9rem; }

/* --- Page Hero (Internal Pages) --- */
.page-hero {
  padding: 160px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -200px; left: 50%;
  transform: translateX(-50%);
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(255,140,0,.08), transparent 60%);
  pointer-events: none;
}

.page-hero h1 { position: relative; margin-bottom: 16px; }
.page-hero p { position: relative; color: var(--text-secondary); font-size: 1.1rem; max-width: 560px; margin: 0 auto; }

/* --- Hexagonal Accents --- */
.hex-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--accent-primary);
  background: rgba(255,140,0,.06);
  border: 1px solid rgba(255,140,0,.15);
  clip-path: polygon(8% 0%, 92% 0%, 100% 50%, 92% 100%, 8% 100%, 0% 50%);
  border: none;
  padding: 10px 28px;
}

.hex-icon {
  width: 56px; height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  background: var(--gradient-main);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  margin-bottom: 20px;
}

.hex-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin: 60px auto;
  max-width: 200px;
}

.hex-divider__dot {
  width: 8px; height: 8px;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
}

.hex-divider__dot:nth-child(1) { background: var(--clr-green); }
.hex-divider__dot:nth-child(2) { background: var(--clr-gold); }
.hex-divider__dot:nth-child(3) { background: var(--clr-orange); }
.hex-divider__dot:nth-child(4) { background: var(--clr-red); }
.hex-divider__dot:nth-child(5) { background: var(--clr-magenta); }
.hex-divider__dot:nth-child(6) { background: var(--clr-blue); }

/* Service card color variants */
.service-card:nth-child(1) .service-card__icon { background: rgba(120,190,32,.10); border-color: rgba(120,190,32,.18); box-shadow: 0 0 25px rgba(120,190,32,.20); }
.service-card:nth-child(2) .service-card__icon { background: rgba(255,209,0,.08); border-color: rgba(255,209,0,.16); box-shadow: 0 0 25px rgba(255,209,0,.18); }
.service-card:nth-child(3) .service-card__icon { background: rgba(255,140,0,.08); border-color: rgba(255,140,0,.16); box-shadow: 0 0 25px rgba(255,140,0,.18); }
.service-card:nth-child(4) .service-card__icon { background: rgba(229,57,53,.08); border-color: rgba(229,57,53,.14); box-shadow: 0 0 25px rgba(229,57,53,.18); }
.service-card:nth-child(5) .service-card__icon { background: rgba(156,39,176,.08); border-color: rgba(156,39,176,.14); box-shadow: 0 0 25px rgba(156,39,176,.18); }
.service-card:nth-child(6) .service-card__icon { background: rgba(33,150,243,.08); border-color: rgba(33,150,243,.14); box-shadow: 0 0 25px rgba(33,150,243,.18); }

.service-card:nth-child(1):hover .service-card__icon { box-shadow: 0 0 40px rgba(120,190,32,.40); }
.service-card:nth-child(2):hover .service-card__icon { box-shadow: 0 0 40px rgba(255,209,0,.35); }
.service-card:nth-child(3):hover .service-card__icon { box-shadow: 0 0 40px rgba(255,140,0,.40); }
.service-card:nth-child(4):hover .service-card__icon { box-shadow: 0 0 40px rgba(229,57,53,.35); }
.service-card:nth-child(5):hover .service-card__icon { box-shadow: 0 0 40px rgba(156,39,176,.35); }
.service-card:nth-child(6):hover .service-card__icon { box-shadow: 0 0 40px rgba(33,150,243,.35); }

/* --- Responsive Grid Utility Classes --- */
.grid-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.grid-2col--tight { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3col { grid-template-columns: repeat(3, 1fr); }
.grid-4col { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-auto-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 24px; }
.service-detail--reverse { direction: rtl; }
.service-detail--reverse > * { direction: ltr; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .hero__stats { gap: 32px; }
  .grid-4col { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 80px 0; }
  .nav__links { display: none; }
  .nav__cta { display: none; }
  .nav__hamburger { display: flex; }

  .hero__content { text-align: center; }
  .hero__subtitle { margin-inline: auto; }
  .hero__actions { justify-content: center; }
  .hero__stats { justify-content: center; flex-wrap: wrap; gap: 24px; }

  .services-grid,
  .projects-grid,
  .testimonials-grid,
  .labs-grid { grid-template-columns: 1fr; }

  .projects-grid { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; gap: 16px; text-align: center; }

  .cta-banner { padding: 48px 28px; }

  .case-hero { padding-top: 120px; }

  .grid-2col { grid-template-columns: 1fr; gap: 36px; }
  .grid-2col--tight { grid-template-columns: 1fr; }
  .grid-3col { grid-template-columns: 1fr; }
  .grid-4col { grid-template-columns: 1fr 1fr; }
  .grid-auto-stats { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .glass-card { padding: 24px; }
  .btn--lg { padding: 16px 32px; }
  .process-grid { grid-template-columns: 1fr; }
  .grid-4col { grid-template-columns: 1fr; }
  .grid-auto-stats { grid-template-columns: 1fr; }
}

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: rgba(255,140,0,.25); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,140,0,.45); }

/* --- Focus Styles (Accessibility) --- */
.btn:focus-visible,
.nav__link:focus-visible,
.filter-btn:focus-visible,
.faq-card:focus-visible,
.footer__link:focus-visible,
.footer__social:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

.form-input:focus-visible,
.form-textarea:focus-visible {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(255,140,0,.15);
}

/* FAQ hover */
.faq-card:hover {
  border-color: rgba(255,140,0,.2);
}

/* --- Cookie Consent Banner --- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 10000;
  background: rgba(17,17,24,.95);
  backdrop-filter: blur(16px);
  border-top: 1px solid rgba(255,140,0,.15);
  padding: 20px 24px;
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  animation: slideUp .4s ease;
}
.cookie-banner.visible { display: flex; }
.cookie-banner p { font-size: .88rem; color: var(--text-secondary); margin: 0; max-width: 700px; line-height: 1.6; }
.cookie-banner__actions { display: flex; gap: 10px; flex-shrink: 0; }
@keyframes slideUp { from { transform: translateY(100%); } to { transform: translateY(0); } }
@media (max-width: 640px) {
  .cookie-banner { flex-direction: column; text-align: center; }
  .cookie-banner__actions { width: 100%; justify-content: center; }
}

/* --- Selection --- */
::selection {
  background: rgba(255,140,0,.25);
  color: #fff;
}

/* Cursor glow effect */
.cursor-glow {
  position: fixed;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,140,0,.04), transparent 70%);
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: opacity .3s;
  opacity: 0;
}

.cursor-glow.active { opacity: 1; }

/* Magnetic button effect */
.btn-magnetic {
  transition: transform .3s cubic-bezier(.4,0,.2,1);
}

/* Typing animation */
.typing-text::after {
  content: '|';
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

/* Counter animation helper */
.count-up { display: inline-block; }

/* FAQ accordion */
.faq-card.faq-open .faq-answer { max-height: 300px; margin-top: 12px; }
.faq-card.faq-open .faq-icon { transform: rotate(45deg); }

/* Scroll to top button */
.scroll-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255,140,0,.3);
  background: rgba(17,17,24,.85);
  backdrop-filter: blur(12px);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: opacity .3s, visibility .3s, transform .3s, background .2s;
  z-index: 1000;
}
.scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.scroll-to-top:hover {
  background: rgba(255,140,0,.15);
  border-color: rgba(255,140,0,.5);
}

/* Contact form loading state */
.btn--loading {
  position: relative;
  pointer-events: none;
  opacity: .7;
}
.btn--loading::after {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid transparent;
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .6s linear infinite;
  margin-left: 10px;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Noise texture overlay */
.noise-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 10000;
  opacity: .03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* Skip to content (accessibility) */
.skip-to-content {
  position: absolute;
  top: -100%;
  left: 16px;
  z-index: 100000;
  padding: 12px 24px;
  background: var(--accent-primary);
  color: #000;
  font-weight: 700;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: top .2s;
}
.skip-to-content:focus {
  top: 16px;
}

/* ---------- Print ---------- */
@media print {
  .nav, .footer, .cookie-banner, .scroll-to-top, .cursor-glow,
  .noise-overlay, .hero__orbs, .skip-to-content, .chat-widget,
  canvas { display: none !important; }

  body { background: #fff !important; color: #000 !important; }
  a { color: #000; text-decoration: underline; }
  .glass-card { border: 1px solid #ddd; background: #fff !important; box-shadow: none !important; }
  .section { padding: 1rem 0; }
}