/* ==========================================
   TechSpot - Design System & Styles
   ========================================== */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Primary Palette */
  --navy-900: #0a0e27;
  --navy-800: #0f1535;
  --navy-700: #141c42;
  --navy-600: #1a2550;
  --navy-500: #243167;

  /* Accent Colors */
  --accent: #00d4ff;
  --accent-light: #5ae8ff;
  --accent-dark: #00a3cc;
  --accent-glow: rgba(0, 212, 255, 0.25);
  --accent-secondary: #7c3aed;
  --accent-secondary-light: #a78bfa;

  /* Neutrals */
  --white: #ffffff;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--accent) 0%, var(--accent-secondary) 100%);
  --gradient-dark: linear-gradient(180deg, var(--navy-900) 0%, var(--navy-800) 100%);
  --gradient-card: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.02) 100%);
  --gradient-hero: radial-gradient(ellipse at 50% 0%, rgba(0,212,255,0.12) 0%, transparent 60%);

  /* Glass */
  --glass-bg: rgba(15, 21, 53, 0.7);
  --glass-border: rgba(255, 255, 255, 0.08);

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing */
  --section-padding: 120px 0;
  --container-width: 1200px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.2s var(--ease-out);
  --transition-medium: 0.4s var(--ease-out);
  --transition-slow: 0.6s var(--ease-out);

  /* Shadows */
  --shadow-card: 0 4px 30px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 40px var(--accent-glow);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  background: var(--navy-900);
  color: var(--gray-200);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  text-decoration: none;
  color: inherit;
}

ul { list-style: none; }

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

::selection {
  background: var(--accent);
  color: var(--navy-900);
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--navy-900);
}
::-webkit-scrollbar-thumb {
  background: var(--navy-600);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-dark);
}

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

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 2px;
  background: var(--accent);
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 20px;
}

.section-title .highlight {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--gray-400);
  max-width: 600px;
  line-height: 1.8;
}

/* ---------- Animated Background Particles ---------- */
#particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* ---------- NAVIGATION ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  transition: all var(--transition-medium);
}

.navbar.scrolled {
  padding: 12px 0;
  background: rgba(10, 14, 39, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  z-index: 1001;
}

.nav-logo-img {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  object-fit: contain;
  display: inline-block;
}

.nav-logo span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  padding: 8px 18px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-300);
  border-radius: 8px;
  transition: all var(--transition-fast);
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
  background: rgba(255, 255, 255, 0.06);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.nav-cta {
  padding: 10px 24px !important;
  background: var(--gradient-primary) !important;
  color: var(--white) !important;
  border-radius: 10px !important;
  font-weight: 600 !important;
  transition: all var(--transition-fast) !important;
  box-shadow: 0 4px 15px var(--accent-glow);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px var(--accent-glow) !important;
}

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  z-index: 1001;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 2.5px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition-fast);
  transform-origin: center;
}

.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);
}

/* ---------- HERO SECTION ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 100px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-hero);
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
}

.hero-content {
  max-width: 600px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.2);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--accent-light);
  margin-bottom: 28px;
  animation: fadeInUp 0.6s var(--ease-out) 0.2s both;
}

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

.hero h1 {
  font-size: clamp(2.5rem, 5.5vw, 4rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 24px;
  animation: fadeInUp 0.6s var(--ease-out) 0.3s both;
}

.hero h1 .gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  color: var(--gray-400);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 500px;
  animation: fadeInUp 0.6s var(--ease-out) 0.4s both;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeInUp 0.6s var(--ease-out) 0.5s both;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  background: var(--gradient-primary);
  color: var(--white);
  font-size: 1rem;
  font-weight: 600;
  border-radius: 14px;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--glass-border);
  color: var(--white);
  font-size: 1rem;
  font-weight: 600;
  border-radius: 14px;
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-3px);
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 60px;
  animation: fadeInUp 0.6s var(--ease-out) 0.6s both;
}

.hero-stat h3 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}

.hero-stat h3 .accent {
  color: var(--accent);
}

.hero-stat p {
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-bottom: 0;
  margin-top: 4px;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeIn 1s var(--ease-out) 0.5s both;
}

.hero-graphic {
  position: relative;
  width: 480px;
  height: 480px;
}

.floating-card {
  position: absolute;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 20px 24px;
  box-shadow: var(--shadow-card);
  animation: float 6s ease-in-out infinite;
}

.floating-card.card-1 {
  top: 20px;
  left: 10px;
  animation-delay: 0s;
}

.floating-card.card-2 {
  top: 120px;
  right: 0;
  animation-delay: 1s;
}

.floating-card.card-3 {
  bottom: 100px;
  left: 30px;
  animation-delay: 2s;
}

.floating-card.card-4 {
  bottom: 20px;
  right: 40px;
  animation-delay: 0.5s;
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.card-icon.blue { background: rgba(0, 212, 255, 0.15); color: var(--accent); }
.card-icon.purple { background: rgba(124, 58, 237, 0.15); color: var(--accent-secondary-light); }
.card-icon.green { background: rgba(16, 185, 129, 0.15); color: #34d399; }
.card-icon.orange { background: rgba(249, 115, 22, 0.15); color: #fb923c; }

.floating-card h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 4px;
}

.floating-card p {
  font-size: 0.78rem;
  color: var(--gray-500);
  margin: 0;
}

/* Center orbit ring */
.orbit-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 280px;
  height: 280px;
  border: 1px dashed rgba(0, 212, 255, 0.15);
  border-radius: 50%;
  animation: spin 30s linear infinite;
}

.orbit-ring::before {
  content: '';
  position: absolute;
  top: -5px;
  left: 50%;
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 15px var(--accent);
}

.center-logo {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100px;
  height: 100px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: var(--shadow-glow);
  background: var(--navy-800);
}

.center-logo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

/* ---------- ABOUT SECTION ---------- */
.about {
  position: relative;
  padding: var(--section-padding);
  z-index: 2;
}

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

.about-visual {
  position: relative;
}

.about-image-wrapper {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  background: var(--gradient-card);
  border: 1px solid var(--glass-border);
  aspect-ratio: 4/3;
}

.about-image-wrapper .code-block {
  position: absolute;
  inset: 0;
  padding: 32px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--gray-400);
  line-height: 2;
  overflow: hidden;
}

.code-block .keyword { color: var(--accent-secondary-light); }
.code-block .function { color: var(--accent); }
.code-block .string { color: #34d399; }
.code-block .comment { color: var(--gray-500); }
.code-block .bracket { color: var(--gray-300); }

.about-floating-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow-card);
}

.about-floating-badge .badge-number {
  font-size: 1.8rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-floating-badge .badge-text {
  font-size: 0.82rem;
  color: var(--gray-400);
  line-height: 1.4;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 36px;
}

.about-feature {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid transparent;
  transition: all var(--transition-fast);
}

.about-feature:hover {
  border-color: var(--glass-border);
  background: rgba(255, 255, 255, 0.05);
}

.about-feature .feature-icon {
  width: 36px;
  height: 36px;
  min-width: 36px;
  border-radius: 8px;
  background: rgba(0, 212, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1rem;
}

.about-feature h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 2px;
}

.about-feature p {
  font-size: 0.8rem;
  color: var(--gray-500);
}

/* ---------- SERVICES SECTION ---------- */
.services {
  position: relative;
  padding: var(--section-padding);
  z-index: 2;
}

.services .section-header {
  text-align: center;
  margin-bottom: 60px;
}

.services .section-subtitle {
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  position: relative;
  background: var(--gradient-card);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 36px 30px;
  transition: all var(--transition-medium);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 212, 255, 0.2);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

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

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 22px;
  position: relative;
}

.service-icon.si-blue {
  background: rgba(0, 212, 255, 0.1);
  color: var(--accent);
}

.service-icon.si-purple {
  background: rgba(124, 58, 237, 0.1);
  color: var(--accent-secondary-light);
}

.service-icon.si-green {
  background: rgba(16, 185, 129, 0.1);
  color: #34d399;
}

.service-icon.si-orange {
  background: rgba(249, 115, 22, 0.1);
  color: #fb923c;
}

.service-icon.si-pink {
  background: rgba(236, 72, 153, 0.1);
  color: #f472b6;
}

.service-icon.si-teal {
  background: rgba(20, 184, 166, 0.1);
  color: #2dd4bf;
}

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.92rem;
  color: var(--gray-400);
  line-height: 1.7;
  margin-bottom: 20px;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.service-tags span {
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--gray-400);
  background: rgba(255, 255, 255, 0.04);
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

/* ---------- WHY CHOOSE US ---------- */
.why-us {
  position: relative;
  padding: var(--section-padding);
  z-index: 2;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 212, 255, 0.02) 50%, transparent 100%);
}

.why-us .section-header {
  text-align: center;
  margin-bottom: 60px;
}

.why-us .section-subtitle {
  margin: 0 auto;
}

.why-us-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 80px;
}

.why-card {
  text-align: center;
  padding: 40px 24px;
  border-radius: 20px;
  background: var(--gradient-card);
  border: 1px solid var(--glass-border);
  transition: all var(--transition-medium);
}

.why-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 212, 255, 0.15);
}

.why-card .why-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: rgba(0, 212, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.6rem;
  color: var(--accent);
  transition: all var(--transition-fast);
}

.why-card:hover .why-icon {
  background: rgba(0, 212, 255, 0.15);
  box-shadow: 0 0 25px var(--accent-glow);
}

.why-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}

.why-card p {
  font-size: 0.88rem;
  color: var(--gray-400);
  line-height: 1.7;
}

/* Testimonial */
.testimonial-section {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.testimonial-card {
  background: var(--gradient-card);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 48px;
  position: relative;
}

.testimonial-card .quote-icon {
  font-size: 3rem;
  color: var(--accent);
  opacity: 0.3;
  margin-bottom: 16px;
}

.testimonial-card blockquote {
  font-size: 1.15rem;
  color: var(--gray-200);
  line-height: 1.8;
  font-style: italic;
  margin-bottom: 24px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--white);
  font-size: 0.9rem;
}

.testimonial-info h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--white);
}

.testimonial-info p {
  font-size: 0.82rem;
  color: var(--gray-500);
}

/* ---------- CONTACT SECTION ---------- */
.contact {
  position: relative;
  padding: var(--section-padding);
  z-index: 2;
}

.contact .container {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: start;
}

.contact-info {
  padding-top: 20px;
}

.contact-info .section-subtitle {
  margin-bottom: 40px;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 40px;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  transition: all var(--transition-fast);
}

.contact-method:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(0, 212, 255, 0.15);
}

.contact-method .method-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  border-radius: 12px;
  background: rgba(0, 212, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--accent);
}

.contact-method h4 {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gray-500);
  margin-bottom: 2px;
}

.contact-method p {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--white);
}

.social-links {
  display: flex;
  gap: 10px;
}

.social-link {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  font-size: 1.1rem;
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: rgba(0, 212, 255, 0.1);
  border-color: rgba(0, 212, 255, 0.2);
  color: var(--accent);
  transform: translateY(-3px);
}

/* Contact Form */
.contact-form-wrapper {
  background: var(--gradient-card);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 40px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gray-300);
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--gray-500);
}

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

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-group select option {
  background: var(--navy-800);
  color: var(--white);
}

.form-group textarea {
  min-height: 130px;
  resize: vertical;
}

.btn-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 32px;
  background: var(--gradient-primary);
  color: var(--white);
  font-size: 1rem;
  font-weight: 600;
  border-radius: 14px;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 20px var(--accent-glow);
  width: 100%;
}

.btn-submit:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.form-note {
  font-size: 0.8rem;
  color: var(--gray-500);
  text-align: center;
}

/* Form success state */
.form-success {
  display: none;
  text-align: center;
  padding: 40px 20px;
}

.form-success.show {
  display: block;
  animation: fadeInUp 0.5s var(--ease-out);
}

.form-success .success-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  background: rgba(16, 185, 129, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: #34d399;
}

.form-success h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}

.form-success p {
  font-size: 0.95rem;
  color: var(--gray-400);
}

/* ---------- FOOTER ---------- */
.footer {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--glass-border);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand .nav-logo {
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.7;
  max-width: 300px;
  margin-bottom: 20px;
}

.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  font-size: 0.9rem;
  color: var(--gray-500);
  transition: all var(--transition-fast);
}

.footer-col ul li a:hover {
  color: var(--accent);
  padding-left: 4px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 30px;
  border-top: 1px solid var(--glass-border);
}

.footer-bottom p {
  font-size: 0.85rem;
  color: var(--gray-500);
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a {
  font-size: 0.85rem;
  color: var(--gray-500);
  transition: color var(--transition-fast);
}

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

/* ---------- Back to Top ---------- */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--gradient-primary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  z-index: 999;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 20px var(--accent-glow);
  cursor: pointer;
  border: none;
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.back-to-top:hover {
  transform: translateY(-4px);
}

/* ---------- Scroll Reveal Animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.7s var(--ease-out);
}

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

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

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

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-15px); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

@keyframes spin {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  :root {
    --section-padding: 80px 0;
  }

  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

  .hero p {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

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

  .hero-stats {
    justify-content: center;
  }

  .hero-visual {
    display: none;
  }

  .about .container {
    grid-template-columns: 1fr;
    gap: 50px;
  }

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

  .why-us-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact .container {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(10, 14, 39, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 100px 32px 40px;
    gap: 4px;
    transition: right var(--transition-medium);
    border-left: 1px solid var(--glass-border);
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links a {
    width: 100%;
    padding: 14px 18px;
    font-size: 1rem;
    border-radius: 12px;
  }

  .nav-toggle {
    display: flex;
  }

  .hero h1 {
    font-size: clamp(2rem, 7vw, 3rem);
  }

  .hero-stats {
    gap: 24px;
  }

  .hero-stat h3 {
    font-size: 1.5rem;
  }

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

  .why-us-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

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

  .testimonial-card {
    padding: 32px 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero {
    padding: 120px 0 60px;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn-primary,
  .hero-actions .btn-secondary {
    width: 100%;
    justify-content: center;
  }

  .hero-stats {
    flex-direction: column;
    gap: 16px;
  }

  .contact-form-wrapper {
    padding: 24px;
  }

  .section-title {
    font-size: 1.8rem;
  }
}