/* ============================================
   KUNAKATECH - TESLA-INSPIRED PREMIUM DESIGN
   Modern, Sleek, Professional - CLEAN VERSION
   ============================================ */

:root {
  --primary-dark: #0a0e27;
  --secondary-dark: #1a1f3a;
  --accent-cyan: #00d9ff;
  --accent-purple: #7c3aed;
  --accent-pink: #ec4899;
  --text-light: #f5f5f5;
  --text-muted: #b0b0b0;
  --border-subtle: #2a2f4a;
  --hover-opacity: 0.1;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
  color: var(--text-light);
  line-height: 1.6;
  overflow-x: hidden;
  font-weight: 400;
  animation: fadeInBody 0.6s ease-out;
}

/* ========== TYPOGRAPHY ========== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  animation: fadeInUp 0.6s ease-out;
}

h1 {
  font-size: clamp(2.5rem, 8vw, 5rem);
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(2rem, 6vw, 3.5rem);
  margin-bottom: 1.25rem;
}

h3 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  margin-bottom: 1rem;
}

h4 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

p {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

/* ========== NAVIGATION ========== */

/* Touch-device refinement: reduce hover dependence and keep content visible */
@media (hover: none) and (pointer: coarse) {
  .hero-video.fullscreen { display: none; }
  .page-hero,
  .hero,
  .hero-section {
    min-height: auto;
    padding-top: 96px;
    padding-bottom: 2rem;
  }

  .hero-content,
  .hero-wrapper,
  .page-hero .hero-content {
    text-shadow: none;
  }

  .btn:hover,
  .btn-primary:hover,
  .btn-secondary:hover,
  .logo-link:hover,
  .site-logo:hover,
  .nav-link:hover,
  .btn:hover .btn-arrow {
    transform: none;
    box-shadow: none;
  }

  .card:hover,
  .portfolio-item:hover,
  .expertise-card:hover {
    transform: none;
    box-shadow: none;
  }
}

/* Make portfolio/contact content easier to read on smaller screens */
@media (max-width: 768px) {
  .contact-section,
  .portfolio-shell,
  .products-shell,
  .case-studies-container,
  .blog-container,
  .hero-section,
  .hero,
  .page-hero {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .portfolio-grid,
  .projects-grid,
  .websites-grid,
  .tech-categories,
  .expertise-grid,
  .contact-content.grid-cols-2 {
    grid-template-columns: 1fr;
  }

  .portfolio-overlay {
    padding: 1rem;
  }

  .portfolio-overlay h3,
  .portfolio-overlay p {
    text-shadow: 0 2px 8px rgba(0,0,0,0.45);
  }

  .case-study,
  .contact-card,
  .product-card,
  .website-card,
  .project-card,
  .blog-card {
    margin-left: 0;
    margin-right: 0;
  }
}
/* Scope fixed navigation styles to the main site nav only */
nav[aria-label="Main navigation"] {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 96px;
  background: rgba(10,14,39,0.95);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(0,217,255,0.08);
  z-index: 1000;
}

nav[aria-label="Main navigation"].scrolled {
  box-shadow: 0 10px 40px rgba(0,0,0,0.45);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  height: 96px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.6rem 1rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex: 0 0 auto;
}

.logo-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  font-weight: 800;
  font-size: 1rem;
  color: var(--text-light);
  padding: 0.28rem 0.6rem;
  border-radius: 0.5rem;
  background: rgba(0,217,255,0.06);
  border: 1px solid rgba(0,217,255,0.12);
}

.logo-link:hover { transform: translateY(-2px); }

/* Logo image sizing */
.site-logo { height: 56px; width: 56px; display: block; border-radius: 50%; object-fit: cover; transition: transform 0.18s ease, box-shadow 0.18s ease; }
.site-logo:hover { transform: scale(1.04); box-shadow: 0 6px 20px rgba(0,0,0,0.35); }
.logo-link .sr-only { margin-left: 0.5rem; }

@media (max-width: 600px) {
  .site-logo { height: 44px; width:44px; }
  nav[aria-label="Main navigation"] { height: 72px; }
  .nav-container { height: 72px; }
  #scroll-progress { top: 72px; }
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu li { display: block; }

.nav-link {
  text-decoration: none;
  color: #d2d8e6;
  font-size: 0.86rem;
  font-weight: 600;
  padding: 0.38rem 0.6rem;
  border-radius: 0.45rem;
  transition: all 0.18s ease;
  white-space: nowrap;
}

.nav-link:hover { color: var(--accent-cyan); background: rgba(0,217,255,0.06); transform: translateY(-1px); }

.nav-home {
  background: linear-gradient(90deg,var(--accent-cyan),var(--accent-purple));
  color: #061226;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  font-weight: 800;
}

.nav-cta {
  background: rgba(0,217,255,0.08);
  color: var(--accent-cyan);
  padding: 0.38rem 0.7rem;
  border-radius: 999px;
  border: 1px solid rgba(0,217,255,0.12);
  font-weight: 700;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 3px;
  background: var(--accent-cyan);
  border-radius: 2px;
}

/* Scroll Progress Bar */
#scroll-progress {
  position: fixed;
  top: 80px;
  left: 0;
  height: 4px;
  background: linear-gradient(90deg, #00d9ff 0%, #7c3aed 50%, #ec4899 100%);
  width: 0%;
  z-index: 999;
  transition: width 0.15s ease;
  box-shadow: 0 0 20px rgba(0, 217, 255, 0.4);
}

/* ========== CONTACT PAGE STYLES ========== */
.contact-section {
  padding: 110px 1.5rem 4rem;
  background: linear-gradient(180deg, rgba(10,14,39,0.02), rgba(10,14,39,0.03));
}
.contact-hero {
  max-width: 1000px;
  margin: 0 auto 1.5rem;
  text-align: center;
}
.contact-hero h1 {
  font-size: clamp(1.6rem, 3.6vw, 2.8rem);
  margin-bottom: 0.5rem;
}
.contact-hero .lead {
  color: var(--text-muted);
  max-width: 820px;
  margin: 0 auto;
}
.contact-content.grid-cols-2 {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 32px;
  max-width: 1200px;
  margin: 0 auto;
  align-items: start;
}
.contact-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border: 1px solid rgba(255,255,255,0.03);
  padding: 1.25rem;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(2,6,23,0.45);
}
.card-title { font-size: 1.25rem; margin-bottom: 0.5rem; }
.muted { color: var(--text-muted); margin-bottom: 1rem; }
.contact-form .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-group { margin-bottom: 12px; }
.form-group label { display:block; font-size:0.85rem; margin-bottom:6px; color:var(--text-muted); }
.form-group input,
.form-group textarea { width:100%; padding:10px 12px; border-radius:8px; border:1px solid rgba(255,255,255,0.06); background:rgba(5,8,20,0.6); color:var(--text-light); }
.form-actions { display:flex; gap:12px; margin-top:10px; }
.btn-ghost { background:transparent; border:1px solid rgba(255,255,255,0.06); color:var(--text-light); padding:0.6rem 1rem; border-radius:8px; }
.honeypot { position: absolute !important; left: -10000px !important; top: auto !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }

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

.form-status { margin-top: 0.75rem; padding: 0.6rem 0.85rem; border-radius: 8px; font-weight: 600; display: none; }
.form-status.visible { display: block; }
.form-success { background: linear-gradient(90deg, rgba(0,217,255,0.06), rgba(124,58,237,0.03)); color: var(--accent-cyan); border: 1px solid rgba(0,217,255,0.08); }
.form-error { background: linear-gradient(90deg, rgba(255,72,72,0.03), rgba(124,58,237,0.02)); color: #ff7b7b; border: 1px solid rgba(255,72,72,0.06); }

.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--accent-cyan); box-shadow: 0 8px 30px rgba(0,217,255,0.08), 0 0 0 6px rgba(0,217,255,0.03); }
.contact-info-card .contact-methods { margin-top:12px; }
.contact-info-card dt { font-weight:700; margin-top:12px; }
.contact-info-card dd { margin:4px 0 8px 0; color:var(--text-muted); }
.divider { height:1px; background:linear-gradient(90deg, rgba(255,255,255,0.02), rgba(255,255,255,0.04)); margin:1rem 0; }
.services-list { list-style: none; padding:0; margin:0; display:grid; gap:6px; color:var(--text-muted); }
.social-links { display:flex; gap:8px; flex-wrap:wrap; }
.social-link { padding:0.5rem 0.75rem; border-radius:8px; background:rgba(255,255,255,0.02); color:var(--text-light); text-decoration:none; font-weight:600; border:1px solid rgba(255,255,255,0.02); }
.map-placeholder { margin-top:14px; height:140px; border-radius:8px; background:linear-gradient(90deg, rgba(0,217,255,0.03), rgba(124,58,237,0.03)); display:flex; align-items:center; justify-content:center; color:var(--text-muted); font-weight:600; }

@media (max-width: 900px) {
  .contact-content.grid-cols-2 { grid-template-columns: 1fr; }
  .contact-form .form-row { grid-template-columns: 1fr; }
}

/* ========== BUTTONS ========== */
.btn {
  padding: 0.875rem 2rem;
  border: none;
  border-radius: 0.7rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  letter-spacing: 0.3px;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease;
}

.btn:active::before {
  width: 500px;
  height: 500px;
}

.btn-large {
  padding: 1rem 2.8rem;
  font-size: 1.05rem;
}

.btn-arrow {
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  font-weight: 700;
  font-size: 1.2em;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-purple) 100%);
  color: var(--primary-dark);
  box-shadow: 0 10px 35px rgba(0, 217, 255, 0.35), 0 0 20px rgba(124, 58, 237, 0.1);
  border: 1px solid rgba(0, 217, 255, 0.2);
  font-weight: 700;
  letter-spacing: 0.4px;
}

.btn-primary:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 20px 60px rgba(0, 217, 255, 0.5), 0 0 30px rgba(124, 58, 237, 0.2);
}

.btn-primary:active {
  transform: translateY(-1px) scale(0.98);
}

.btn-secondary {
  background: rgba(0, 217, 255, 0.08);
  color: var(--accent-cyan);
  border: 2px solid var(--accent-cyan);
  font-weight: 700;
  letter-spacing: 0.4px;
}

.btn-secondary:hover {
  background: rgba(0, 217, 255, 0.15);
  transform: translateY(-4px);
  box-shadow: 0 15px 40px rgba(0, 217, 255, 0.25);
  border-color: var(--accent-purple);
  color: var(--accent-cyan);
}

.btn-secondary:active {
  transform: translateY(-1px);
}

/* ========== HERO SECTION ========== */
.hero-section,
.hero {
  min-height: 100vh;
  padding: 120px 2rem 2rem;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero {
  min-height: 60vh;
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.05), rgba(124, 58, 237, 0.05));
  border-bottom: 1px solid rgba(0, 217, 255, 0.1);
}

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

.hero-wrapper {
  max-width: 1400px;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 10;
}

.hero-wrapper .hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  z-index: 2;
  animation: fadeInUp 0.8s ease-out;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(0, 217, 255, 0.1);
  border: 1px solid rgba(0, 217, 255, 0.3);
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  width: fit-content;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-cyan);
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-cyan);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

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

.hero-title {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-pink), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 500px;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  margin: 2rem 0;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.stat-value {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.hero-scroll-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin-top: 3rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(10px); }
}

.scroll-indicator {
  display: flex;
  justify-content: center;
}

.scroll-mouse {
  width: 24px;
  height: 40px;
  border: 2px solid var(--accent-cyan);
  border-radius: 12px;
  position: relative;
  opacity: 0.6;
}

.scroll-wheel {
  width: 4px;
  height: 8px;
  background: var(--accent-cyan);
  border-radius: 2px;
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  animation: scroll-down 1.5s ease-in-out infinite;
}

@keyframes scroll-down {
  0% { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(16px); }
}

/* Hero Showcase Cards */
.hero-showcase {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  position: relative;
}

.showcase-card {
  background: rgba(0, 217, 255, 0.05);
  border: 1px solid rgba(0, 217, 255, 0.2);
  border-radius: 1rem;
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  transition: all 0.3s ease;
  cursor: pointer;
}

.showcase-card:hover {
  background: rgba(0, 217, 255, 0.1);
  border-color: rgba(0, 217, 255, 0.4);
  transform: translateX(8px);
  box-shadow: 0 10px 30px rgba(0, 217, 255, 0.15);
}

.showcase-icon {
  font-size: 2rem;
  min-width: 50px;
}

.showcase-text h4 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.showcase-text p {
  font-size: 0.85rem;
  margin-bottom: 0;
}

/* Animated Orbs */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  opacity: 0.15;
  z-index: 1;
  animation: float 20s ease-in-out infinite;
}

.hero-orb-1 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--accent-cyan), transparent);
  top: -100px;
  right: -150px;
  animation-duration: 20s;
}

.hero-orb-2 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, var(--accent-purple), transparent);
  bottom: -50px;
  left: -100px;
  animation-duration: 25s;
  animation-delay: 3s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  25% { transform: translate(30px, -30px); }
  50% { transform: translate(-20px, 20px); }
  75% { transform: translate(20px, 30px); }
}

/* ========== SECTIONS ========== */
section {
  padding: 5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-title h2 {
  margin-bottom: 0.75rem;
}

.section-title p {
  font-size: 1.1rem;
}

/* ========== CARDS GRID ========== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.card {
  background: rgba(0, 217, 255, 0.05);
  border: 1px solid rgba(0, 217, 255, 0.2);
  border-radius: 1rem;
  padding: 2rem;
  transition: all 0.3s ease;
  cursor: pointer;
}

.card:hover {
  background: rgba(0, 217, 255, 0.1);
  border-color: rgba(0, 217, 255, 0.4);
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(0, 217, 255, 0.15);
}

.card h3 {
  margin-bottom: 1rem;
}

.card p {
  color: var(--text-muted);
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ========== FEATURES SECTION ========== */
.features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  margin: 3rem 0;
}

.features-text h3 {
  color: var(--accent-cyan);
  margin-bottom: 1.5rem;
}

.feature-item {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.feature-icon {
  width: 50px;
  height: 50px;
  min-width: 50px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--primary-dark);
}

.feature-content h4 {
  margin-bottom: 0.5rem;
  color: var(--text-light);
}

.feature-content p {
  color: var(--text-muted);
  margin-bottom: 0;
}

/* ========== CTA SECTION ========== */
.cta {
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.1), rgba(124, 58, 237, 0.1));
  border: 2px solid var(--border-subtle);
  border-radius: 1.5rem;
  padding: 3rem;
  text-align: center;
  margin: 3rem 0;
}

.cta h2 {
  margin-bottom: 1rem;
}

.cta p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

/* ========== TECHNOLOGY STACK ========== */
.tech-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.tech-category {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(0, 217, 255, 0.15);
  border-radius: 1rem;
  padding: 2rem;
}

.tech-category h4 {
  margin-bottom: 1rem;
  color: var(--accent-cyan);
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.tech-tag {
  display: inline-block;
  background: rgba(0, 217, 255, 0.1);
  color: var(--accent-cyan);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  border: 1px solid rgba(0, 217, 255, 0.2);
  transition: all 0.2s;
}

.tech-tag:hover {
  background: rgba(0, 217, 255, 0.2);
  border-color: rgba(0, 217, 255, 0.4);
}

/* ========== FOOTER ========== */
.site-footer {
  background: rgba(10, 14, 39, 0.8);
  border-top: 1px solid var(--border-subtle);
  padding: 3rem 2rem;
  text-align: center;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-logo {
  display: inline-block;
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1.5rem;
  text-decoration: none;
}

.footer-nav {
  margin: 1.5rem 0;
  color: var(--text-muted);
  /* Ensure footer nav is not fixed to the top (explicit override) */
  position: static !important;
  top: auto !important;
  z-index: 1 !important;
}

.footer-nav a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: all 0.3s ease;
}

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

.footer-contact {
  margin: 1.5rem 0;
  color: var(--text-muted);
  font-style: normal;
}

.footer-contact a {
  color: var(--accent-cyan);
  text-decoration: none;
}

.site-footer p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 1rem 0 0 0;
}

/* ========== FORMS ========== */
form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 600px;
  margin: 0 auto;
}

input,
textarea {
  padding: 1rem;
  background: rgba(26, 31, 58, 0.5);
  border: 1px solid var(--border-subtle);
  border-radius: 0.5rem;
  color: var(--text-light);
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.3s ease;
}

input::placeholder,
textarea::placeholder {
  color: var(--text-muted);
}

input:focus,
textarea:focus {
  outline: none;
  background: rgba(26, 31, 58, 0.8);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 217, 255, 0.2);
}

input.error,
textarea.error {
  border-color: var(--accent-pink);
  background: rgba(236, 72, 153, 0.1);
}

/* ========== AI CHAT BUBBLE ========== */
.ai-chat-bubble {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  color: var(--primary-dark);
  padding: 1rem 1.5rem;
  border-radius: 50px;
  cursor: pointer;
  font-weight: 600;
  box-shadow: 0 8px 30px rgba(0, 217, 255, 0.3);
  transition: all 0.3s ease;
  z-index: 999;
  white-space: nowrap;
}

.ai-chat-bubble:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 217, 255, 0.5);
}

/* ========== CHAT MODAL ========== */
.chat-modal {
  position: fixed;
  bottom: -500px;
  right: 30px;
  width: 400px;
  max-width: 90vw;
  background: rgba(10, 14, 39, 0.95);
  border: 1px solid rgba(0, 217, 255, 0.3);
  border-radius: 1rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
  transition: bottom 0.3s ease;
  z-index: 1001;
  display: flex;
  flex-direction: column;
}

.chat-modal.active {
  bottom: 100px;
}

/* Page hero backgrounds (video/photo) */
.page-hero {
  position: relative;
  height: 56vh;
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: #fff;
}
.page-hero .hero-video video,
.page-hero .hero-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  filter: brightness(0.45) saturate(0.95);
}
.page-hero .hero-photo { background-size: cover; background-position: center center; }
.page-hero .hero-content {
  position: relative;
  z-index: 2;
  padding: 2rem 1.25rem;
  text-align: center;
  max-width: 1200px;
}
@media (max-width: 768px) {
  .page-hero { height: 40vh; min-height: 220px; }
  .page-hero .hero-content { padding: 1rem; }
}

/* Fullscreen background video utility */
.hero-video.fullscreen {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.hero-video.fullscreen video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: brightness(0.45) saturate(0.95);
}

/* subtle overlay on top of the video for improved text contrast */
.hero-video.fullscreen::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(4,8,20,0.45), rgba(4,8,20,0.35));
  z-index: 1;
  pointer-events: none;
}

/* Ensure content layers sit above the fullscreen video */
.page-hero .hero-content,
.hero-wrapper,
header,
main {
  position: relative;
  z-index: 3;
}

/* stronger hero typography for readability */
.page-hero .hero-content { color: #fff; text-shadow: 0 10px 30px rgba(0,0,0,0.6); }
.page-hero .hero-content h1 { font-weight: 800; letter-spacing: -0.02em; }
.page-hero .hero-content p { font-weight: 600; color: rgba(255,255,255,0.92); }

/* Disable video on small screens to save bandwidth; use poster/background instead */
@media (max-width: 640px) {
  .hero-video.fullscreen { display: none; }
  .page-hero { background-color: #0a0e27; }
}

.chat-header {
  padding: 1.5rem;
  background: rgba(0, 217, 255, 0.1);
  border-bottom: 1px solid rgba(0, 217, 255, 0.2);
  color: var(--accent-cyan);
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chat-messages {
  flex: 1;
  max-height: 300px;
  overflow-y: auto;
  padding: 1.5rem;
  color: var(--text-muted);
}

.chat-input-row {
  display: flex;
  gap: 0.75rem;
  padding: 1.5rem;
  border-top: 1px solid rgba(0, 217, 255, 0.2);
}

.chat-input-row input {
  flex: 1;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(0, 217, 255, 0.2);
  border-radius: 0.5rem;
  color: var(--text-light);
  font-size: 0.9rem;
}

.chat-input-row input::placeholder {
  color: var(--text-muted);
}

.chat-input-row button {
  padding: 0.75rem 1.5rem;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  color: var(--primary-dark);
  border: none;
  border-radius: 0.5rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.chat-input-row button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 217, 255, 0.3);
}

/* ========== CANVAS & BACKGROUND ========== */
.background-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.matrix-layer {
  opacity: 0.2;
}

.particle-layer {
  opacity: 0.3;
}

/* ========== MOUSE TRAIL ========== */
.mouse-trail {
  position: fixed;
  width: 8px;
  height: 8px;
  border: 1px solid var(--accent-cyan);
  border-radius: 50%;
  pointer-events: none;
  opacity: 0;
  z-index: 9999;
  box-shadow: 0 0 10px rgba(0, 217, 255, 0.5);
}

/* ========== SCROLL REVEAL ANIMATION ========== */
.scroll-reveal {
  opacity: 0;
  animation: fadeInUp 0.8s ease-out forwards;
}

/* ========== ANIMATIONS ========== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

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

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========== RESPONSIVE DESIGN ========== */
@media (max-width: 1024px) {
  .hero-wrapper {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero-showcase {
    order: -1;
  }

  .hero-buttons {
    gap: 1rem;
  }

  .features {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 600px) {
  nav[aria-label="Main navigation"] {
    padding: 0 1rem;
  }

  .nav-menu {
    position: fixed;
    left: -110%;
    top: 70px;
    flex-direction: column;
    background: linear-gradient(180deg, rgba(10,14,39,0.99) 0%, rgba(26,31,58,0.95) 100%);
    width: 100%;
    text-align: center;
    transition: left 0.28s ease;
    gap: 0.5rem;
    padding: 1.6rem 1rem;
    backdrop-filter: blur(14px);
    max-height: calc(100vh - 70px);
    overflow-y: auto;
    z-index: 1001;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-link {
    display: block;
    padding: 0.9rem 1rem;
    width: 100%;
    border-bottom: 1px solid rgba(0,217,255,0.04);
    font-size: 1rem;
  }

  .nav-link::before { display: none; }

  .nav-link.active {
    background: rgba(0,217,255,0.08);
    border-left: 4px solid var(--accent-cyan);
    padding-left: calc(1rem - 4px);
  }

  .nav-link:active { background: rgba(0,217,255,0.06); }

  .nav-cta {
    margin: 1rem;
    width: calc(100% - 2rem);
  }

  .menu-toggle {
    display: flex;
  }

  .hero-section {
    padding: 100px 1.5rem 2rem;
  }

  .hero-wrapper {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-stats {
    gap: 2rem;
    flex-wrap: wrap;
  }

  .hero-buttons {
    flex-direction: column;
    gap: 1rem;
  }

  .btn-large {
    width: 100%;
    justify-content: center;
  }

  section {
    padding: 3rem 1.5rem;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }

  .cta {
    padding: 2rem 1.5rem;
  }

  .tech-tags {
    gap: 0.75rem;
  }

  .tech-tag {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
  }

  .stat-value {
    font-size: 1.5rem;
  }

  .stat-label {
    font-size: 0.85rem;
  }
}

@media (max-width: 480px) {
  :root {
    font-size: 14px;
  }

  nav[aria-label="Main navigation"] {
    height: 65px;
  }

  .nav-menu {
    top: 65px;
    padding: 2rem 0.5rem;
  }

  .nav-link {
    padding: 1rem 0.75rem;
    font-size: 0.95rem;
  }

  .menu-toggle span {
    width: 24px;
  }

  .hero-section {
    padding: 90px 1rem 1.5rem;
  }

  .hero-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
  }

  .hero-subtitle {
    font-size: 0.95rem;
  }

  .hero-badge {
    padding: 0.6rem 1rem;
    font-size: 0.8rem;
  }

  .hero-buttons {
    gap: 0.75rem;
    flex-direction: column;
  }

  .btn,
  .btn-large {
    padding: 0.8rem 1.5rem;
    font-size: 0.95rem;
    width: 100%;
  }
    position: fixed;
    top: 96px;
    font-size: 1em;
  }

  .card {
    padding: 1.5rem 1rem;
  }

  .cta {
    padding: 1.5rem 1rem;
  }

  .hero-stats {
    gap: 1.5rem;
  }

  .stat-value {
    font-size: 1.25rem;
  }

  .showcase-card {
    padding: 1rem;
    gap: 1rem;
  }

  .showcase-icon {
    font-size: 2rem;
  }

  .showcase-text h4 {
    font-size: 0.95rem;
  }

  .showcase-text p {
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
  }

  section {
    padding: 2.5rem 1rem;
  }

  h1 {
    font-size: clamp(1.5rem, 6vw, 2.5rem);
  }
  .site-logo { height: 42px; width: 42px; }
  h2 {
    font-size: clamp(1.3rem, 5vw, 2rem);
  }
  .logo-link.logo-only { background: transparent !important; border: none !important; padding: 0 !important; }
}

/* ========== UTILITY CLASSES ========== */
.text-center {
  text-align: center;
}

.mt-2 {
  margin-top: 2rem;
}

.mb-2 {
  margin-bottom: 2rem;
}

.curiosity-callout {
  margin: 2rem 0;
  padding: 1rem 2rem;
  background: linear-gradient(90deg, #00c3ff, #a78bfa);
  color: #0a0e27;
  border-radius: 1rem;
  font-weight: 600;
}

.curiosity-callout a {
  color: #0f2027;
  text-decoration: underline;
  font-weight: 700;
}