/* ==========================================================================
   VARIABLES
   ========================================================================== */
:root {
  /* Colors - Modern Tech Startup Palette */
  --bg-dark: #020617; /* Slate 950 */
  --bg-card: #0f172a; /* Slate 900 */
  --bg-card-hover: #1e293b; /* Slate 800 */
  
  --text-main: #f8fafc; /* Slate 50 */
  --text-muted: #94a3b8; /* Slate 400 */
  
  --accent-cyan: #06b6d4;
  --accent-cyan-light: #22d3ee;
  --accent-purple: #8b5cf6;
  --accent-purple-light: #a855f7;
  
  --border-color: rgba(255, 255, 255, 0.1);
  --glass-bg: rgba(15, 23, 42, 0.7);
  
  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Poppins', system-ui, -apple-system, sans-serif;
  
  /* Layout & Spacing */
  --max-width: 1200px;
  --nav-height: 80px;
  
  /* Transitions & Shadows */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-glow-cyan: 0 0 20px rgba(6, 182, 212, 0.3);
  --shadow-glow-purple: 0 0 20px rgba(139, 92, 246, 0.3);
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

/* ==========================================================================
   RESET & GLOBAL
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

ul {
  list-style: none;
}

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 6rem 0;
  position: relative;
}

/* Typography Utilities */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  margin-bottom: 1rem;
}

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

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-tag {
  display: inline-block;
  padding: 0.3rem 1rem;
  background: rgba(139, 92, 246, 0.1);
  color: var(--accent-purple-light);
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1rem;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
}

.section-subtitle {
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.125rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-cyan));
  color: white;
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(6, 182, 212, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-outline:hover {
  border-color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.05);
}

.btn-ghost {
  background: transparent;
  color: var(--accent-cyan-light);
}

.btn-ghost:hover {
  text-decoration: underline;
}

.btn-full {
  width: 100%;
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
  height: 70px;
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.5rem;
}

.logo-icon {
  color: var(--accent-cyan-light);
}

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

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
}

.nav-link:hover {
  color: var(--text-main);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--accent-cyan);
  transition: width var(--transition-normal);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-cta {
  padding: 0.5rem 1.25rem;
  background: rgba(139, 92, 246, 0.1);
  color: var(--accent-purple-light);
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: 6px;
  font-weight: 600;
  transition: all var(--transition-normal);
}

.nav-cta:hover {
  background: var(--accent-purple);
  color: white;
  border-color: var(--accent-purple);
}

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 25px;
  height: 2px;
  background: var(--text-main);
  transition: all 0.3s ease;
}

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

.hero-bg-grid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(var(--border-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.05;
  z-index: -1;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  z-index: -1;
  opacity: 0.4;
}

.hero-orb-1 {
  width: 400px;
  height: 400px;
  background: var(--accent-purple);
  top: -100px;
  right: -100px;
}

.hero-orb-2 {
  width: 300px;
  height: 300px;
  background: var(--accent-cyan);
  bottom: -50px;
  left: -50px;
}

.hero-orb-3 {
  width: 200px;
  height: 200px;
  background: rgba(6, 182, 212, 0.5);
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.hero-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(5px);
}

.hero-title {
  font-size: clamp(3rem, 5vw, 4.5rem);
  font-weight: 800;
  margin-bottom: 0.5rem;
  line-height: 1.1;
}

.hero-subtitle {
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  font-weight: 500;
  color: var(--text-main);
  margin-bottom: 1.5rem;
}

.hero-description {
  color: var(--text-muted);
  font-size: 1.125rem;
  margin-bottom: 2.5rem;
  max-width: 500px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.stat-number {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-cyan-light);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border-color);
}

/* Hero Visual (Code Window) */
.hero-visual {
  position: relative;
  perspective: 1000px;
}

.code-window {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transform: rotateY(-10deg) rotateX(5deg);
  transition: transform var(--transition-normal);
}

.code-window:hover {
  transform: rotateY(0deg) rotateX(0deg);
}

.window-bar {
  background: rgba(0, 0, 0, 0.3);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.window-title {
  margin-left: auto;
  margin-right: auto;
  color: var(--text-muted);
  font-size: 0.875rem;
  font-family: monospace;
}

.code-body {
  padding: 1.5rem;
  font-family: 'Fira Code', monospace;
  font-size: 0.9rem;
  line-height: 1.5;
  position: relative;
  overflow-x: auto;
}

.c-purple { color: #c678dd; }
.c-cyan { color: #56b6c2; }
.c-green { color: #98c379; }
.c-yellow { color: #e5c07b; }

.code-cursor {
  display: inline-block;
  width: 8px;
  height: 15px;
  background: var(--accent-cyan);
  animation: blink 1s step-end infinite;
  vertical-align: middle;
  margin-left: 2px;
}

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

.floating-badge {
  position: absolute;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  font-size: 0.875rem;
  box-shadow: 0 10px 20px rgba(0,0,0,0.2);
  animation: float 6s ease-in-out infinite;
}

.badge-flutter {
  top: -20px;
  right: 20px;
  color: #42a5f5;
  animation-delay: 0s;
}

.badge-dotnet {
  bottom: 40px;
  left: -30px;
  color: #512bd4;
  animation-delay: 1.5s;
}

.badge-bim {
  bottom: -20px;
  right: 40px;
  color: #06b6d4;
  animation-delay: 3s;
}

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

.hero-scroll-hint {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.scroll-line {
  width: 2px;
  height: 40px;
  background: rgba(255,255,255,0.1);
  position: relative;
  overflow: hidden;
}

.scroll-line::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 50%;
  background: var(--accent-cyan);
  animation: scrollDown 2s infinite ease-in-out;
}

@keyframes scrollDown {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(200%); }
}

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

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.service-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255,255,255,0.2);
  box-shadow: var(--shadow-card);
  background: var(--bg-card-hover);
}

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

.card-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.icon-blue { background: rgba(59, 130, 246, 0.1); color: #3b82f6; }
.icon-purple { background: rgba(139, 92, 246, 0.1); color: #8b5cf6; }
.icon-cyan { background: rgba(6, 182, 212, 0.1); color: #06b6d4; }
.icon-green { background: rgba(16, 185, 129, 0.1); color: #10b981; }
.icon-orange { background: rgba(249, 115, 22, 0.1); color: #f97316; }
.icon-pink { background: rgba(236, 72, 153, 0.1); color: #ec4899; }
.icon-indigo { background: rgba(99, 102, 241, 0.1); color: #6366f1; }
.icon-teal { background: rgba(20, 184, 166, 0.1); color: #14b8a6; }

.service-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.card-arrow {
  align-self: flex-start;
  width: 35px;
  height: 35px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.service-card:hover .card-arrow {
  background: var(--text-main);
  color: var(--bg-dark);
  border-color: var(--text-main);
  transform: translateX(5px);
}

/* ==========================================================================
   PRODUCT (KONTROLCLASS)
   ========================================================================== */
.product-section {
  position: relative;
  overflow: hidden;
}

.product-bg-glow {
  position: absolute;
  top: 50%;
  right: 0;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(139,92,246,0.15) 0%, transparent 70%);
  transform: translateY(-50%);
  z-index: -1;
}

.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.product-description {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.feature-list {
  margin-bottom: 2.5rem;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  font-size: 1rem;
}

.feature-list i {
  color: var(--accent-cyan);
  font-size: 1.25rem;
}

.product-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.btn-gplay {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0.5rem 1.5rem;
}

.btn-gplay i {
  font-size: 2rem;
}

.btn-gplay span {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.2;
}

.btn-gplay small {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  opacity: 0.8;
}

/* Phone Mockup */
.product-mockup {
  position: relative;
  display: flex;
  justify-content: center;
}

.phone-frame {
  width: 300px;
  height: 600px;
  background: #000;
  border-radius: 40px;
  border: 8px solid #1e293b;
  position: relative;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.1);
  z-index: 2;
}

.phone-notch {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 25px;
  background: #1e293b;
  border-bottom-left-radius: 15px;
  border-bottom-right-radius: 15px;
  z-index: 10;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: #f8fafc;
  color: #0f172a;
  display: flex;
  flex-direction: column;
}

.app-header {
  padding: 40px 20px 20px;
  background: linear-gradient(135deg, #1e3a8a, #4338ca);
  color: white;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom-left-radius: 20px;
  border-bottom-right-radius: 20px;
}

.app-logo-small {
  color: #fde047;
}

.app-name-small {
  font-weight: 600;
  flex-grow: 1;
}

.app-bell {
  font-size: 1.25rem;
}

.app-body {
  padding: 20px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.app-card-mini {
  padding: 15px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 15px;
  color: white;
}

.app-card-mini i {
  font-size: 1.5rem;
  background: rgba(255,255,255,0.2);
  padding: 10px;
  border-radius: 8px;
}

.blue-card { background: #3b82f6; }
.purple-card { background: #8b5cf6; }

.mini-label { font-size: 0.75rem; opacity: 0.9; }
.mini-value { font-size: 1.25rem; font-weight: 700; }

.app-progress {
  background: white;
  padding: 15px;
  border-radius: 12px;
  box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
}

.progress-label {
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.progress-bar {
  height: 8px;
  background: #e2e8f0;
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: #10b981;
}

.progress-pct {
  text-align: right;
  font-size: 0.75rem;
  color: #64748b;
  margin-top: 5px;
}

.app-activity {
  background: white;
  padding: 15px;
  border-radius: 12px;
  box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
  flex-grow: 1;
}

.activity-title {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 15px;
}

.activity-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  color: #475569;
  margin-bottom: 10px;
}

.dot-blue { width: 8px; height: 8px; border-radius: 50%; background: #3b82f6; }
.dot-purple { width: 8px; height: 8px; border-radius: 50%; background: #8b5cf6; }
.dot-green { width: 8px; height: 8px; border-radius: 50%; background: #10b981; }

.phone-home-bar {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background: rgba(0,0,0,0.2);
  border-radius: 2px;
}

.phone-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(6,182,212,0.5), rgba(139,92,246,0.5));
  filter: blur(60px);
  z-index: 1;
  opacity: 0.3;
}

/* ==========================================================================
   TECHNOLOGIES
   ========================================================================== */
.tech-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.tech-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 30px;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.tech-badge:hover {
  transform: translateY(-3px);
  border-color: rgba(255,255,255,0.3);
  background: var(--bg-card-hover);
}

.tech-icon {
  font-weight: 700;
  font-family: monospace;
}

.t-csharp { color: #9b4f96; }
.t-dotnet { color: #512bd4; }
.t-python { color: #ffeb3b; }
.t-sql { color: #e38c00; }
.t-mysql { color: #00758f; }
.t-mongo { color: #47a248; }
.t-firebase { color: #ffca28; }
.t-flutter { color: #42a5f5; }
.t-revit { color: #0066cc; }
.t-autocad { color: #cc0000; }
.t-js { color: #f7df1e; }
.t-php { color: #777bb4; }

/* ==========================================================================
   ABOUT
   ========================================================================== */
.about-section {
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text {
  color: var(--text-muted);
  font-size: 1.125rem;
  margin-bottom: 1.5rem;
}

.about-values {
  margin-top: 3rem;
  display: grid;
  gap: 1.5rem;
}

.value-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.value-item i {
  font-size: 1.5rem;
  color: var(--accent-purple-light);
  background: rgba(139,92,246,0.1);
  padding: 10px;
  border-radius: 10px;
}

.value-item strong {
  display: block;
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.value-item p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* About Visual */
.about-visual {
  display: flex;
  justify-content: center;
}

.about-card-stack {
  position: relative;
  width: 300px;
  height: 350px;
}

.about-card {
  position: absolute;
  width: 100%;
  background: rgba(15,23,42,0.8);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  font-weight: 600;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
  transition: all 0.5s ease;
}

.about-card i {
  font-size: 1.5rem;
  color: var(--accent-cyan);
}

.ac-1 {
  top: 0;
  left: 0;
  transform: translateY(0) scale(1);
  z-index: 3;
}

.ac-2 {
  top: 70px;
  left: 20px;
  transform: translateY(0) scale(0.95);
  z-index: 2;
  opacity: 0.8;
}

.ac-3 {
  top: 140px;
  left: 40px;
  transform: translateY(0) scale(0.9);
  z-index: 1;
  opacity: 0.6;
}

.about-card-stack:hover .ac-1 { transform: translateY(-10px) scale(1); }
.about-card-stack:hover .ac-2 { transform: translateY(10px) translateX(10px) scale(0.95); opacity: 1; }
.about-card-stack:hover .ac-3 { transform: translateY(30px) translateX(20px) scale(0.9); opacity: 0.8; }

.about-center-orb {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(6,182,212,0.2) 0%, transparent 70%);
  z-index: 0;
}

/* ==========================================================================
   CONTACT
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 3rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: rgba(255,255,255,0.05);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--accent-cyan);
}

.contact-item strong {
  display: block;
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.contact-item a, .contact-item span {
  color: var(--text-muted);
}

.contact-item a:hover {
  color: var(--accent-cyan-light);
}

.contact-social {
  display: flex;
  gap: 1rem;
  margin-top: auto;
  padding-top: 2rem;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: var(--accent-purple);
  color: white;
  transform: translateY(-3px);
}

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-main);
  font-family: var(--font-sans);
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
  background: rgba(0,0,0,0.4);
}

.form-status {
  margin-top: 1rem;
  font-size: 0.9rem;
  text-align: center;
  min-height: 20px;
}

.status-success { color: #10b981; }
.status-error { color: #ef4444; }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  border-top: 1px solid var(--border-color);
  background: var(--bg-card);
}

.footer-top {
  padding: 5rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 1rem;
  margin-bottom: 1.5rem;
  max-width: 300px;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social a {
  color: var(--text-muted);
  font-size: 1.25rem;
}

.footer-social a:hover {
  color: var(--accent-cyan-light);
}

.footer-links-col h4 {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
}

.footer-links-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links-col a {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.footer-links-col a:hover {
  color: var(--accent-cyan-light);
  padding-left: 5px;
}

.footer-bottom {
  padding: 1.5rem 0;
  border-top: 1px solid var(--border-color);
  background: #000;
}

.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-container,
  .product-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .hero-content, .hero-visual {
    text-align: center;
  }
  
  .hero-description {
    margin: 0 auto 2.5rem;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .hero-stats {
    justify-content: center;
  }
  
  .hero-visual {
    max-width: 600px;
    margin: 0 auto;
  }
  
  .about-visual {
    grid-row: 1;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 4rem 0;
  }
  
  .nav-links, .nav-cta {
    display: none;
  }
  
  .hamburger {
    display: flex;
  }
  
  /* Mobile Menu Active State */
  .nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-card);
    padding: 2rem;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  }
  
  .contact-grid {
    padding: 2rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom .container {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .hero-stats {
    flex-wrap: wrap;
  }
  
  .stat-divider {
    display: none;
  }
  
  .btn {
    width: 100%;
  }
}

/* ==========================================================================
   ANIMATIONS (AOS classes simulation since we don't have AOS library yet)
   ========================================================================== */
[data-aos] {
  opacity: 0;
  transition-property: opacity, transform;
}

[data-aos].aos-animate {
  opacity: 1;
  transform: translateZ(0);
}

[data-aos="fade-up"] { transform: translate3d(0, 30px, 0); }
[data-aos="fade-down"] { transform: translate3d(0, -30px, 0); }
[data-aos="fade-right"] { transform: translate3d(-30px, 0, 0); }
[data-aos="fade-left"] { transform: translate3d(30px, 0, 0); }

/* Delay classes */
[data-aos-delay="0"] { transition-delay: 0s; }
[data-aos-delay="80"] { transition-delay: 0.08s; }
[data-aos-delay="100"] { transition-delay: 0.1s; }
[data-aos-delay="150"] { transition-delay: 0.15s; }
[data-aos-delay="160"] { transition-delay: 0.16s; }
[data-aos-delay="200"] { transition-delay: 0.2s; }