/* ============================================================
   MOHIT DAGAR — AI PORTFOLIO
   styles.css  |  Dark Theme  |  Mobile-First
   ============================================================ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Space+Mono:ital,wght@0,400;0,700;1,400&family=Syne:wght@400;600;700;800&family=Inter:wght@300;400;500&display=swap');

/* ══════════════════════════════════════════════
   1. CSS VARIABLES
══════════════════════════════════════════════ */
:root {
  --bg-primary:    #0a0a0f;
  --bg-secondary:  #0f0f1a;
  --bg-card:       #13131f;
  --bg-card-hover: #1a1a2e;

  --accent:        #00e5ff;
  --accent-dim:    rgba(0, 229, 255, 0.12);
  --accent-glow:   rgba(0, 229, 255, 0.35);

  --purple:        #7c3aed;
  --purple-dim:    rgba(124, 58, 237, 0.15);

  --text-primary:  #f0f0f5;
  --text-secondary:#9999bb;
  --text-muted:    #55556a;

  --border:        rgba(255,255,255,0.07);
  --border-accent: rgba(0, 229, 255, 0.3);

  --radius-sm:     6px;
  --radius-md:     12px;
  --radius-lg:     20px;

  --transition:    0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  --font-display:  'Syne', sans-serif;
  --font-mono:     'Space Mono', monospace;
  --font-body:     'Inter', sans-serif;

  --shadow-card:   0 4px 24px rgba(0,0,0,0.4);
  --shadow-glow:   0 0 30px var(--accent-glow);
}

/* ══════════════════════════════════════════════
   2. RESET & BASE
══════════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.7;
  overflow-x: hidden;
}

/* Subtle noise texture overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  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)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* Grid background pattern */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,229,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

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

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: #fff; }

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

ul { list-style: none; }

/* ══════════════════════════════════════════════
   3. TYPOGRAPHY
══════════════════════════════════════════════ */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.4rem, 7vw, 5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.4rem); }

.mono { font-family: var(--font-mono); }

.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 0.6rem;
}

/* ══════════════════════════════════════════════
   4. LAYOUT UTILITIES
══════════════════════════════════════════════ */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.section {
  padding: 5rem 0;
}

.section-header {
  margin-bottom: 3rem;
}

.grid-2 { display: grid; gap: 1.5rem; }
.grid-3 { display: grid; gap: 1.5rem; }

@media (min-width: 640px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

/* ══════════════════════════════════════════════
   5. BUTTONS
══════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.06);
  opacity: 0;
  transition: opacity var(--transition);
}
.btn:hover::before { opacity: 1; }

.btn-primary {
  background: var(--accent);
  color: #000;
}
.btn-primary:hover {
  background: #fff;
  color: #000;
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--border-accent);
}
.btn-outline:hover {
  background: var(--accent-dim);
  transform: translateY(-2px);
  box-shadow: 0 0 15px var(--accent-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1.5px solid var(--border);
}
.btn-ghost:hover {
  color: var(--text-primary);
  border-color: rgba(255,255,255,0.2);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.45rem 1rem;
  font-size: 0.7rem;
}

/* ══════════════════════════════════════════════
   6. NAVBAR
══════════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: all var(--transition);
}

.navbar.scrolled {
  background: rgba(10, 10, 15, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.05em;
}

.nav-logo span { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text-primary);
  transition: all var(--transition);
  transform-origin: center;
}

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

/* Mobile nav */
.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 0;
  background: rgba(10, 10, 15, 0.97);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--border);
  padding: 1rem 0;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
}

.mobile-nav.open { display: flex; }

.mobile-nav a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  padding: 0.85rem 1.5rem;
  border-bottom: 1px solid var(--border);
  transition: all var(--transition);
}

.mobile-nav a:hover,
.mobile-nav a.active {
  color: var(--accent);
  background: var(--accent-dim);
}

@media (max-width: 700px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
}

/* ══════════════════════════════════════════════
   7. HERO SECTION
══════════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  position: relative;
  overflow: hidden;
}

/* Radial glow behind hero */
.hero::before {
  content: '';
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 500px;
  background: radial-gradient(ellipse, rgba(0,229,255,0.07) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 10%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(124,58,237,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  border-radius: 999px;
  padding: 0.35rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  width: fit-content;
  animation: fadeSlideUp 0.8s ease both;
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease infinite;
}

.hero-title {
  animation: fadeSlideUp 0.8s 0.15s ease both;
}

.hero-title .name {
  display: block;
  background: linear-gradient(135deg, #fff 30%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-family: var(--font-mono);
  font-size: clamp(0.85rem, 2vw, 1.05rem);
  color: var(--accent);
  letter-spacing: 0.05em;
  animation: fadeSlideUp 0.8s 0.25s ease both;
}

.hero-desc {
  max-width: 560px;
  color: var(--text-secondary);
  font-size: 1.05rem;
  animation: fadeSlideUp 0.8s 0.35s ease both;
}

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

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  animation: fadeSlideUp 0.8s 0.45s ease both;
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
  animation: fadeSlideUp 0.8s 0.55s ease both;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Scroll indicator */
.scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: fadeIn 1.5s 1s ease both;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollPulse 2s ease infinite;
}

/* ══════════════════════════════════════════════
   8. SKILLS SECTION
══════════════════════════════════════════════ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: all var(--transition);
  cursor: default;
  position: relative;
  overflow: hidden;
}

.skill-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.skill-card:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card), 0 0 20px var(--accent-glow);
}

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

.skill-icon {
  font-size: 2rem;
  line-height: 1;
}

.skill-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.skill-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.skill-bar-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.skill-bar-label {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.skill-bar {
  height: 3px;
  background: var(--border);
  border-radius: 999px;
  overflow: hidden;
}

.skill-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--purple));
  border-radius: 999px;
  width: 0;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ══════════════════════════════════════════════
   9. PROJECT CARDS (shared between pages)
══════════════════════════════════════════════ */
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.project-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, var(--accent-dim), transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-slow);
  pointer-events: none;
}

.project-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-5px);
  box-shadow: var(--shadow-card), 0 0 25px var(--accent-glow);
}

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

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
}

.project-icon {
  font-size: 1.8rem;
  line-height: 1;
}

.project-status {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  white-space: nowrap;
}

.status-completed {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-progress {
  background: rgba(251, 191, 36, 0.12);
  color: #fbbf24;
  border: 1px solid rgba(251, 191, 36, 0.3);
}

.status-planned {
  background: rgba(99, 102, 241, 0.12);
  color: #818cf8;
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.project-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

.project-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
  flex: 1;
}

.project-role {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.project-role span { color: var(--accent); }

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.2rem 0.55rem;
  transition: all var(--transition);
}

.project-card:hover .tech-tag {
  border-color: var(--border-accent);
  color: var(--accent);
}

.project-links {
  display: flex;
  gap: 0.75rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
}

/* ══════════════════════════════════════════════
   10. FILTER BUTTONS
══════════════════════════════════════════════ */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2.5rem;
}

.filter-btn {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--accent-dim);
  border-color: var(--border-accent);
  color: var(--accent);
}

/* ══════════════════════════════════════════════
   11. CERTIFICATE CARDS
══════════════════════════════════════════════ */
.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.cert-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--accent), var(--purple));
  opacity: 0;
  transition: opacity var(--transition);
}

.cert-card:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

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

.cert-header {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.cert-icon {
  font-size: 1.6rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.cert-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.cert-provider {
  font-size: 0.8rem;
  color: var(--accent);
  font-family: var(--font-mono);
}

.cert-date {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

.cert-summary {
  font-size: 0.83rem;
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
}

/* ══════════════════════════════════════════════
   12. CONTACT FORM
══════════════════════════════════════════════ */
.contact-layout {
  display: grid;
  gap: 3rem;
}

@media (min-width: 768px) {
  .contact-layout { grid-template-columns: 1fr 1.4fr; align-items: start; }
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-info h3 {
  font-size: 1.3rem;
  color: var(--text-primary);
}

.contact-info p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.contact-detail .icon { font-size: 1.1rem; }

.contact-socials {
  display: flex;
  gap: 0.75rem;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.85rem;
  transition: all var(--transition);
  letter-spacing: 0.05em;
}

.social-link:hover {
  color: var(--accent);
  border-color: var(--border-accent);
  background: var(--accent-dim);
  transform: translateY(-2px);
}

.open-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-sm);
  padding: 0.5rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #10b981;
  letter-spacing: 0.05em;
}

.open-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #10b981;
  animation: pulse 2s ease infinite;
}

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--border-accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.form-group input.error,
.form-group textarea.error {
  border-color: #ef4444;
}

.form-error {
  font-size: 0.72rem;
  color: #ef4444;
  font-family: var(--font-mono);
  display: none;
}

.form-error.show { display: block; }

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

.form-success {
  display: none;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-sm);
  padding: 1rem;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #10b981;
  letter-spacing: 0.05em;
}

.form-success.show { display: block; }

/* ══════════════════════════════════════════════
   13. PAGE HERO (inner pages)
══════════════════════════════════════════════ */
.page-hero {
  padding: 140px 0 4rem;
  position: relative;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-accent), transparent);
}

.page-hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  background: linear-gradient(135deg, #fff 50%, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-hero p {
  max-width: 520px;
  color: var(--text-secondary);
  margin-top: 0.75rem;
  font-size: 1rem;
}

/* ══════════════════════════════════════════════
   14. DIVIDER
══════════════════════════════════════════════ */
.divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: 1rem 0;
}

/* ══════════════════════════════════════════════
   15. FOOTER
══════════════════════════════════════════════ */
footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
  position: relative;
  z-index: 1;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
}

.footer-logo {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer-logo span { color: var(--accent); }

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--accent); }

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* ══════════════════════════════════════════════
   16. FADE-IN ON SCROLL (Intersection Observer)
══════════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  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; }

/* ══════════════════════════════════════════════
   17. KEYFRAME ANIMATIONS
══════════════════════════════════════════════ */
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

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

@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50%       { opacity: 1; transform: scaleY(1.15); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ══════════════════════════════════════════════
   18. MISCELLANEOUS UTILITIES
══════════════════════════════════════════════ */
.text-accent   { color: var(--accent); }
.text-muted    { color: var(--text-muted); }
.text-secondary{ color: var(--text-secondary); }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mt-2 { margin-top: 1rem; }

/* Glowing tag for homepage */
.highlight-tag {
  display: inline-block;
  background: var(--purple-dim);
  border: 1px solid rgba(124,58,237,0.3);
  border-radius: var(--radius-sm);
  padding: 0.15rem 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #a78bfa;
  letter-spacing: 0.05em;
  vertical-align: middle;
}

/* Floating orbs for decorative bg */
.orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(80px);
}

.orb-1 {
  width: 300px;
  height: 300px;
  background: rgba(0, 229, 255, 0.05);
  top: -80px;
  right: 10%;
  animation: float 8s ease infinite;
}

.orb-2 {
  width: 250px;
  height: 250px;
  background: rgba(124, 58, 237, 0.06);
  bottom: 5%;
  left: -5%;
  animation: float 10s ease infinite reverse;
}

/* ══════════════════════════════════════════════
   19. LOADING SPINNER (for form submit)
══════════════════════════════════════════════ */
.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(0,0,0,0.3);
  border-top-color: #000;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

/* ══════════════════════════════════════════════
   20. RESPONSIVE HELPERS
══════════════════════════════════════════════ */
@media (max-width: 500px) {
  .hero-stats { gap: 1.5rem; }
  .stat-num   { font-size: 1.4rem; }
  .contact-socials { flex-wrap: wrap; }
}