/* ======================================
   AV Technologies Inc. — Landing Page
   Modern glassmorphism design
   ====================================== */

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

:root {
  --bg: #0c0a0f;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-hover: rgba(255, 255, 255, 0.08);
  --glass: rgba(255, 255, 255, 0.06);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-border-hover: rgba(255, 255, 255, 0.18);
  --text: #f5f0ec;
  --text-secondary: #9a8a82;
  --text-tertiary: #6a5a52;
  --accent: #f97316;
  --accent-light: #fb923c;
  --accent-glow: rgba(249, 115, 22, 0.25);
  --sunset-rose: #f472b6;
  --sunset-coral: #fb7185;
  --sunset-amber: #fbbf24;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Background ===== */

.bg-gradient {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(249, 115, 22, 0.1) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 50%, rgba(244, 114, 182, 0.07) 0%, transparent 50%),
    radial-gradient(ellipse 50% 40% at 20% 80%, rgba(251, 191, 36, 0.05) 0%, transparent 50%);
  z-index: 0;
  pointer-events: none;
}

.bg-noise {
  position: fixed;
  inset: 0;
  opacity: 0.025;
  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");
  background-repeat: repeat;
  z-index: 0;
  pointer-events: none;
}

.bg-orbs {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.4;
  will-change: transform;
}

.orb-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(249, 115, 22, 0.14), transparent 70%);
  top: -200px;
  right: -100px;
  animation: float-1 20s ease-in-out infinite;
}

.orb-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(244, 114, 182, 0.1), transparent 70%);
  bottom: -100px;
  left: -150px;
  animation: float-2 25s ease-in-out infinite;
}

.orb-3 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(251, 191, 36, 0.08), transparent 70%);
  top: 50%;
  left: 50%;
  animation: float-3 18s ease-in-out infinite;
}

@keyframes float-1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-40px, 30px) scale(1.05); }
  66% { transform: translate(20px, -20px) scale(0.95); }
}

@keyframes float-2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -40px) scale(1.08); }
  66% { transform: translate(-20px, 20px) scale(0.92); }
}

@keyframes float-3 {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(-45%, -55%) scale(1.1); }
}

/* ===== Glass Card ===== */

.glass-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  transition: var(--transition);
}

.glass-card:hover {
  border-color: var(--glass-border-hover);
  background: var(--surface-hover);
}

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

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: var(--transition);
}

.nav.scrolled {
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding: 12px 0;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}

.logo-mark-img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: cover;
}

.logo-mark-img-sm {
  width: 28px;
  height: 28px;
  border-radius: 6px;
}

.logo-text {
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.3px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-links a:not(.nav-cta):hover {
  color: var(--text);
}

.nav-links a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
  transition: var(--transition);
}

.nav-links a:not(.nav-cta):hover::after {
  width: 100%;
}

.nav-cta {
  padding: 8px 20px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav-cta:hover {
  background: var(--surface-hover) !important;
  border-color: var(--glass-border-hover);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #fff;
  box-shadow: 0 4px 24px var(--accent-glow);
}

.btn-primary:hover {
  box-shadow: 0 8px 40px rgba(249, 115, 22, 0.4);
  transform: translateY(-2px);
}

.btn-glass {
  background: var(--glass);
  color: var(--text);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.btn-glass:hover {
  background: var(--surface-hover);
  border-color: var(--glass-border-hover);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 16px;
  border-radius: var(--radius);
}

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

.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 16px 6px 10px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  margin-bottom: 28px;
}

.pulse-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
  50% { opacity: 0.8; box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
}

.hero-title {
  font-size: clamp(40px, 5.5vw, 72px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 24px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--sunset-amber), var(--accent), var(--sunset-rose));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 480px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Hero Code Card */

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

.code-window {
  padding: 24px;
}

.code-dots {
  display: flex;
  gap: 7px;
  margin-bottom: 20px;
}

.code-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.code-dots span:nth-child(1) { background: #ff5f57; }
.code-dots span:nth-child(2) { background: #febc2e; }
.code-dots span:nth-child(3) { background: #28c840; }

.code-block {
  font-family: 'SF Mono', 'Fira Code', 'JetBrains Mono', monospace;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-secondary);
  overflow-x: auto;
}

.code-keyword { color: var(--sunset-rose); }
.code-var { color: var(--sunset-amber); }
.code-fn { color: var(--accent-light); }
.code-prop { color: var(--sunset-coral); }
.code-string { color: #34d399; }
.code-comment { color: var(--text-tertiary); font-style: italic; }

/* ===== Sections ===== */

.section {
  position: relative;
  z-index: 1;
  padding: 120px 0;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 64px;
}

.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent-light);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* ===== Services ===== */

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.service-card {
  padding: 36px;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-glow), transparent);
  opacity: 0;
  transition: var(--transition);
}

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

.service-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  background: rgba(249, 115, 22, 0.1);
  border: 1px solid rgba(249, 115, 22, 0.2);
  border-radius: 14px;
  color: var(--accent-light);
  margin-bottom: 20px;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: rgba(249, 115, 22, 0.15);
  border-color: rgba(249, 115, 22, 0.3);
  transform: scale(1.05);
}

.service-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}

.service-card p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== Projects ===== */

.project-featured {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 0;
  padding: 0;
  overflow: hidden;
  min-height: 480px;
}

.project-info {
  padding: 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.project-label {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.project-platform,
.project-year {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 4px 12px;
  border-radius: 100px;
}

.project-platform {
  background: rgba(249, 115, 22, 0.15);
  color: var(--accent-light);
  border: 1px solid rgba(249, 115, 22, 0.2);
}

.project-year {
  color: var(--text-tertiary);
  background: var(--surface);
  border: 1px solid var(--glass-border);
}

.project-name {
  font-size: clamp(32px, 3.5vw, 44px);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 6px;
}

.project-tagline {
  font-size: 14px;
  font-weight: 600;
  font-style: italic;
  color: var(--accent-light);
  margin-bottom: 16px;
  letter-spacing: 0.2px;
}

.project-desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.project-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 16px;
  margin-bottom: 20px;
}

.project-feature {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.project-feature svg {
  color: var(--accent-light);
  flex-shrink: 0;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}

.project-tech span {
  font-size: 12px;
  font-weight: 500;
  padding: 5px 14px;
  background: var(--surface);
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  color: var(--text-secondary);
}

.project-preview {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(249, 115, 22, 0.04), rgba(244, 114, 182, 0.04));
  overflow: hidden;
  padding: 48px;
}

.app-icon-showcase {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.app-icon {
  width: 180px;
  height: 180px;
  border-radius: 40px;
  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.4),
    0 0 0 1px rgba(255, 255, 255, 0.06);
  transition: var(--transition-slow);
  object-fit: cover;
}

.project-featured:hover .app-icon {
  transform: scale(1.05) translateY(-4px);
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(255, 255, 255, 0.08),
    0 0 60px rgba(249, 115, 22, 0.1);
}

.app-icon-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-tertiary);
  letter-spacing: 0.5px;
}

.app-store-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--surface);
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  transition: var(--transition);
  text-decoration: none;
}

.app-store-badge:hover {
  background: var(--surface-hover);
  border-color: var(--glass-border-hover);
  color: var(--text);
}

/* ===== About ===== */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-content .section-tag {
  text-align: left;
}

.about-content .section-title {
  text-align: left;
  margin-bottom: 24px;
}

.about-content p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

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

.stat-number {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -1px;
  background: linear-gradient(135deg, var(--text), var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 13px;
  color: var(--text-tertiary);
  font-weight: 500;
}

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

.contact-card {
  padding: 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.contact-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at center, rgba(249, 115, 22, 0.06), transparent 50%);
  pointer-events: none;
}

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

.contact-content .section-title {
  text-align: center;
}

.contact-content p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 400px;
  margin: 0 auto 32px;
}

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

.footer {
  position: relative;
  z-index: 1;
  padding: 40px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-brand .logo-text {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
}

.footer-links {
  display: flex;
  gap: 28px;
}

.footer-links a {
  font-size: 13px;
  color: var(--text-tertiary);
  text-decoration: none;
  transition: var(--transition);
}

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

.footer-copy {
  font-size: 13px;
  color: var(--text-tertiary);
}

/* ===== Animations ===== */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }

.hero-content .reveal:nth-child(1) { transition-delay: 0.1s; }
.hero-content .reveal:nth-child(2) { transition-delay: 0.2s; }
.hero-content .reveal:nth-child(3) { transition-delay: 0.35s; }
.hero-content .reveal:nth-child(4) { transition-delay: 0.5s; }

.services-grid .service-card:nth-child(1) { transition-delay: 0.05s; }
.services-grid .service-card:nth-child(2) { transition-delay: 0.15s; }
.services-grid .service-card:nth-child(3) { transition-delay: 0.25s; }
.services-grid .service-card:nth-child(4) { transition-delay: 0.35s; }

/* ===== Responsive ===== */

@media (max-width: 968px) {
  .hero .container {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-title {
    letter-spacing: -1.5px;
  }

  .hero-sub {
    max-width: 100%;
  }

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

  .project-featured {
    grid-template-columns: 1fr;
  }

  .project-info {
    padding: 32px;
  }

  .project-features {
    grid-template-columns: 1fr;
  }

  .project-preview {
    min-height: 300px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .contact-card {
    padding: 48px 32px;
  }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 15, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    z-index: 99;
  }

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

  .nav-links a {
    font-size: 24px;
    font-weight: 600;
    color: var(--text);
  }

  .nav-links .nav-cta {
    font-size: 16px;
    padding: 12px 28px;
  }

  .nav-toggle {
    display: flex;
    z-index: 101;
  }

  .hero {
    padding: 100px 0 60px;
    min-height: auto;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    justify-content: center;
  }

  .about-stats {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .stat-card {
    padding: 24px 16px;
  }

  .stat-number {
    font-size: 32px;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-links {
    justify-content: center;
  }

  .section {
    padding: 80px 0;
  }
}

/* Smooth scroll anchor offset */
section[id] {
  scroll-margin-top: 80px;
}