/* ============================================
   LekaDev — Design System & Styles
   ============================================ */

/* --- Google Fonts Import Removed --- */

/* --- CSS Custom Properties --- */
:root {
  /* Colors */
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-tertiary: #1a2035;
  --bg-card: rgba(17, 24, 39, 0.7);
  --bg-glass: rgba(17, 24, 39, 0.4);

  --accent-cyan: #22c55e;
  --accent-purple: #7c3aed;
  --accent-cyan-glow: rgba(34, 197, 94, 0.15);
  --accent-purple-glow: rgba(124, 58, 237, 0.15);

  --gradient-primary: linear-gradient(135deg, #22c55e 0%, #7c3aed 100%);
  --gradient-bg: linear-gradient(180deg, #0a0e1a 0%, #111827 50%, #0a0e1a 100%);
  --gradient-card: linear-gradient(135deg, rgba(34, 197, 94, 0.05) 0%, rgba(124, 58, 237, 0.05) 100%);
  --gradient-hero: radial-gradient(ellipse at 30% 20%, rgba(34, 197, 94, 0.08) 0%, transparent 50%),
                   radial-gradient(ellipse at 70% 80%, rgba(124, 58, 237, 0.08) 0%, transparent 50%);

  --text-primary: #f0f4ff;
  --text-secondary: #c4ccdf;
  --text-muted: #6b7a99;
  --text-accent: #22c55e;

  --border-color: rgba(148, 163, 184, 0.1);
  --border-glow: rgba(34, 197, 94, 0.3);

  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing */
  --section-padding: 50px 0;
  --container-max: 1200px;
  --container-padding: 0 24px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
  --shadow-glow-cyan: 0 0 30px rgba(34, 197, 94, 0.15);
  --shadow-glow-purple: 0 0 30px rgba(124, 58, 237, 0.15);
}

/* --- 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(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

a:hover {
  color: #66e3ff;
}

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

ul, ol {
  list-style: none;
}

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

.section-label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 32px;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: 30px;
}

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

/* --- Reveal Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  padding-top: calc(20px + env(safe-area-inset-top));
  transition: all var(--transition-base);
}

.navbar.scrolled {
  padding: 12px 0;
  padding-top: calc(12px + env(safe-area-inset-top));
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  z-index: 1001;
}

.nav-logo img {
  height: 42px;
  width: auto;
}

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

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

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  background: rgba(0, 212, 255, 0.08);
}

.nav-cta {
  margin-left: 16px;
  padding: 10px 24px !important;
  background: var(--gradient-primary) !important;
  color: var(--bg-primary) !important;
  font-weight: 600 !important;
  border-radius: var(--radius-sm) !important;
  transition: all var(--transition-base) !important;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-cyan);
}

/* Mobile Menu */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1001;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  min-height: 75vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--gradient-hero);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(34, 197, 94, 0.04) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(124, 58, 237, 0.04) 0%, transparent 50%);
  pointer-events: none;
}

/* Particle canvas */
#particles-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-cyan);
  margin-bottom: 32px;
  backdrop-filter: blur(10px);
}

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

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.hero h1 .typing-wrapper {
  display: block;
  min-height: 1.2em;
}

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

.typing-cursor {
  display: inline-block;
  width: 3px;
  height: 0.9em;
  background: var(--accent-cyan);
  margin-left: 4px;
  animation: blink-cursor 0.8s step-end infinite;
  vertical-align: text-bottom;
}

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

.hero-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 580px;
  margin-bottom: 40px;
  line-height: 1.8;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--bg-primary);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow-cyan), var(--shadow-md);
  color: var(--bg-primary);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  border-color: var(--accent-cyan);
  background: var(--accent-cyan-glow);
  transform: translateY(-3px);
  color: var(--text-primary);
}

.btn svg {
  width: 18px;
  height: 18px;
}

/* Hero floating shapes */
.hero-visual {
  position: absolute;
  right: -5%;
  top: 50%;
  transform: translateY(-50%);
  width: 500px;
  height: 500px;
  z-index: 1;
  pointer-events: none;
}

.floating-shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.6;
  filter: blur(60px);
  animation: float 8s ease-in-out infinite;
}

.shape-1 {
  width: 300px;
  height: 300px;
  background: var(--accent-cyan);
  top: 10%;
  right: 10%;
  opacity: 0.08;
  animation-delay: 0s;
}

.shape-2 {
  width: 200px;
  height: 200px;
  background: var(--accent-purple);
  bottom: 20%;
  right: 30%;
  opacity: 0.08;
  animation-delay: -3s;
}

.shape-3 {
  width: 150px;
  height: 150px;
  background: var(--accent-cyan);
  top: 40%;
  right: 5%;
  opacity: 0.05;
  animation-delay: -5s;
}

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  33% { transform: translateY(-20px) scale(1.05); }
  66% { transform: translateY(15px) scale(0.95); }
}

/* Hero scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.8rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  animation: bounce-scroll 2s ease-in-out infinite;
}

.scroll-indicator .scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent-cyan), transparent);
}

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

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

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 24px;
  font-size: 1.05rem;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.stat-item {
  text-align: center;
  padding: 24px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.stat-item:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow-cyan);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 40px;
}

.tech-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  transition: all var(--transition-base);
  backdrop-filter: blur(10px);
}

.tech-badge:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: var(--accent-cyan-glow);
}

/* About code window visual */
.about-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.code-window {
  position: relative;
  width: 100%;
  max-width: 450px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.code-window-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
}

.code-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.code-dot.red { background: #ef4444; }
.code-dot.yellow { background: #eab308; }
.code-dot.green { background: #22c55e; }

.code-window-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-left: 8px;
}

.code-window-body {
  padding: 24px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 2;
  color: var(--text-secondary);
}

.code-line-number {
  color: var(--text-muted);
  margin-right: 16px;
  user-select: none;
  opacity: 0.5;
}

.code-keyword { color: var(--accent-purple); }
.code-string { color: #22c55e; }
.code-function { color: var(--accent-cyan); }
.code-comment { color: var(--text-muted); font-style: italic; }

/* ============================================
   SERVICES SECTION
   ============================================ */
.services {
  padding: var(--section-padding);
  background: var(--bg-secondary);
  position: relative;
}

.services::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), var(--accent-purple), transparent);
  opacity: 0.3;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.service-card {
  position: relative;
  padding: 40px 32px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: all var(--transition-slow);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.service-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-8px);
  box-shadow: var(--shadow-glow-cyan), var(--shadow-lg);
}

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

.service-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--accent-cyan-glow);
  margin-bottom: 24px;
  transition: all var(--transition-base);
}

.service-card:hover .service-icon {
  background: rgba(0, 212, 255, 0.2);
  transform: scale(1.1);
}

.service-icon svg {
  width: 28px;
  height: 28px;
  color: var(--accent-cyan);
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.service-tag {
  padding: 4px 12px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  background: rgba(148, 163, 184, 0.08);
  border-radius: 50px;
  border: 1px solid var(--border-color);
}

/* ============================================
   PROJECTS SECTION
   ============================================ */
.projects {
  padding: var(--section-padding);
  position: relative;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.project-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  transition: all var(--transition-slow);
}

.project-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow-cyan), var(--shadow-lg);
}

.project-image {
  position: relative;
  width: 100%;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--bg-tertiary);
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-image img {
  transform: scale(1.05);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 14, 26, 0.9), transparent 60%);
  opacity: 0;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  padding: 24px;
  transition: opacity var(--transition-base);
}

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

.project-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: 50%;
  color: var(--bg-primary);
  transition: transform var(--transition-spring);
}

.project-link:hover {
  transform: scale(1.1);
  color: var(--bg-primary);
}

.project-link svg {
  width: 20px;
  height: 20px;
}

.project-info {
  padding: 28px;
}

.project-info h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.project-info p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

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

.project-tech span {
  padding: 4px 12px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-cyan);
  background: var(--accent-cyan-glow);
  border-radius: 50px;
  border: 1px solid rgba(0, 212, 255, 0.15);
}

/* Featured project */
.project-card.featured {
  grid-column: span 2;
}

.project-card.featured .project-image {
  aspect-ratio: 21/9;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
  padding: var(--section-padding);
  background: var(--bg-secondary);
  position: relative;
}

.contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-purple), var(--accent-cyan), transparent);
  opacity: 0.3;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
}

.contact-info h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.contact-info > p {
  color: var(--text-secondary);
  margin-bottom: 40px;
  font-size: 1.05rem;
}

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

.contact-method {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.contact-method:hover {
  border-color: var(--border-glow);
  transform: translateX(8px);
}

.contact-method-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-cyan-glow);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.contact-method-icon svg {
  width: 20px;
  height: 20px;
  color: var(--accent-cyan);
}

.contact-method-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.contact-method-value {
  color: var(--text-primary);
  font-weight: 500;
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: all var(--transition-base);
}

.social-link:hover {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  background: var(--accent-cyan-glow);
  transform: translateY(-4px);
}

.social-link svg {
  width: 20px;
  height: 20px;
}

/* Contact Form */
.contact-form {
  padding: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 18px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem; /* Minimum 16px to prevent iOS auto-zoom */
  transition: all var(--transition-fast);
  outline: none;
  -webkit-appearance: none;
}

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

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

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

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

.btn-submit {
  width: 100%;
  justify-content: center;
  padding: 16px;
  font-size: 1rem;
  position: relative;
  overflow: hidden;
}

.form-status {
  text-align: center;
  margin-top: 16px;
  font-size: 0.9rem;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.form-status.visible {
  opacity: 1;
}

.form-status.success {
  color: #22c55e;
}

.form-status.error {
  color: #ef4444;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: 60px 0 30px;
  padding-bottom: calc(30px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--border-color);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-brand {
  max-width: 300px;
}

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

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.8;
}

.footer-column h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.footer-column a {
  display: block;
  color: var(--text-muted);
  font-size: 0.9rem;
  padding: 6px 0;
  transition: all var(--transition-fast);
}

.footer-column a:hover {
  color: var(--accent-cyan);
  transform: translateX(4px);
}

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

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

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

.footer-bottom-links a {
  color: var(--text-muted);
  font-size: 0.85rem;
}

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

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .about-visual {
    order: -1;
  }

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

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

  .project-card.featured {
    grid-column: span 1;
  }

  .project-card.featured .project-image {
    aspect-ratio: 16/10;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 30px 0;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 360px;
    height: 100vh;
    height: 100dvh;
    background: rgba(17, 24, 39, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 40px;
    padding-top: calc(40px + env(safe-area-inset-top));
    padding-bottom: calc(40px + env(safe-area-inset-bottom));
    padding-right: calc(40px + env(safe-area-inset-right));
    gap: 8px;
    transition: right var(--transition-base);
    border-left: 1px solid var(--border-color);
  }

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

  .nav-links a {
    font-size: 1.2rem;
    padding: 12px 16px;
    width: 100%;
  }

  .nav-cta {
    margin-left: 0 !important;
    margin-top: 16px;
    text-align: center;
    justify-content: center;
    width: 100%;
  }

  .hamburger {
    display: flex;
  }

  .hero {
    padding-top: 140px;
    padding-bottom: 60px;
    min-height: auto;
    align-items: flex-start;
  }

  .hero h1 {
    font-size: clamp(2.2rem, 8vw, 3.5rem);
    line-height: 1.2;
  }

  .hero-badge {
    margin-bottom: 30px;
  }

  .hero-visual {
    display: none;
  }

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

  .about-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }

  .stat-item {
    padding: 16px 12px;
  }

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

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

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

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

@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column;
  }

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

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

/* ============================================
   CUSTOM SCROLLBAR
   ============================================ */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ============================================
   LOADING ANIMATION
   ============================================ */
.page-loader {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent-cyan);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Mobile overlay */
.mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 14, 26, 0.6);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.mobile-overlay.visible {
  opacity: 1;
  visibility: visible;
}

/* ============================================
   DOCUMENT/LEGAL CONTENT
   ============================================ */
.document-page {
  padding-top: 120px;
  padding-bottom: 80px;
}

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

.document-header h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.document-header p {
  color: var(--text-secondary);
  font-size: 1.2rem;
}

.document-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 900px;
  margin: 0 auto;
  line-height: 1.8;
}

.document-content h2 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  margin-top: 40px;
  margin-bottom: 20px;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 10px;
}

.document-content h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  margin-top: 30px;
  margin-bottom: 16px;
  color: var(--accent-cyan);
}

.document-content p {
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.document-content ul, 
.document-content ol {
  margin-bottom: 24px;
  padding-left: 24px;
  color: var(--text-secondary);
}

.document-content li {
  margin-bottom: 8px;
}

.document-content a {
  color: var(--accent-cyan);
  text-decoration: underline;
  text-decoration-color: rgba(34, 197, 94, 0.4);
}

.document-content a:hover {
  text-decoration-color: var(--accent-cyan);
}

/* Document Tables */
.document-content .table-wrap {
  overflow-x: auto;
  margin: 20px 0;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}

.document-content table {
  width: 100%;
  border-collapse: collapse;
  min-width: 500px;
}

.document-content th {
  background: rgba(34, 197, 94, 0.1);
  color: var(--text-primary);
  text-align: left;
  padding: 12px 16px;
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
}

.document-content td {
  padding: 12px 16px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  vertical-align: top;
}

.document-content tr:last-child td {
  border-bottom: none;
}

.document-content tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.02);
}

/* Document specific blocks */
.document-content .intro {
  padding: 16px 20px;
  background: rgba(34, 197, 94, 0.05);
  border-left: 4px solid var(--accent-cyan);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 24px;
}

.document-content .contact-block,
.document-content .authority {
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
}

.document-content strong {
  color: var(--text-primary);
}

@media (max-width: 768px) {
  .document-content {
    padding: 24px;
  }
}