/*
  Synvex Technology - Premium Stylesheet
  Design System: Dark & Light theme with cyan/blue accents, modern typography, glassmorphism, and smooth scroll reveal animations.
*/

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

/* --- Theme Variables --- */
:root {
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;

  /* Color Palette - Dark (Default) */
  --bg-primary: #080c14;
  --bg-secondary: #0d1527;
  --bg-tertiary: #121d36;
  --bg-glass: rgba(13, 21, 39, 0.7);
  --bg-glass-card: rgba(18, 29, 54, 0.4);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-hover: rgba(0, 242, 254, 0.25);
  
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  
  --accent-cyan: #00f2fe;
  --accent-blue: #3b82f6;
  --accent-gradient: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
  --accent-gradient-hover: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --accent-glow: rgba(0, 242, 254, 0.15);
  
  --accent-cyan-rgb: 0, 242, 254;
  --accent-blue-rgb: 59, 130, 246;

  --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --nav-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.3);
  
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease;
  
  --container-max-width: 1200px;
}

/* Light Theme overrides */
:root.light-theme {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --bg-glass: rgba(255, 255, 255, 0.8);
  --bg-glass-card: rgba(255, 255, 255, 0.6);
  --border-glass: rgba(15, 23, 42, 0.08);
  --border-glass-hover: rgba(37, 99, 235, 0.2);
  
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  
  --accent-cyan: #2563eb;
  --accent-blue: #1d4ed8;
  --accent-gradient: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
  --accent-gradient-hover: linear-gradient(135deg, #1d4ed8 0%, #2563eb 100%);
  --accent-glow: rgba(37, 99, 235, 0.1);
  
  --accent-cyan-rgb: 37, 99, 235;
  --accent-blue-rgb: 29, 78, 216;

  --card-shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.08);
  --nav-shadow: 0 4px 20px -5px rgba(15, 23, 42, 0.05);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-secondary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.4s ease, color 0.4s ease;
}

/* Scrollbar Customization */
::-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(--accent-cyan);
}

/* Typography elements */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  transition: color 0.4s ease;
}

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

ul {
  list-style: none;
}

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

/* --- Common Components & Layouts --- */
.container {
  width: 90%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 1rem;
}

.section {
  padding: 8rem 0;
  position: relative;
}

@media (max-width: 768px) {
  .section {
    padding: 5rem 0;
  }
}

/* Section Header */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem auto;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  background: var(--accent-glow);
  padding: 0.5rem 1.2rem;
  border-radius: 50px;
  border: 1px solid var(--border-glass-hover);
  margin-bottom: 1rem;
  box-shadow: 0 0 15px var(--accent-glow);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1.2rem;
  letter-spacing: -0.02em;
}

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

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .section-title {
    font-size: 2rem;
  }
  .section-subtitle {
    font-size: 1rem;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 2rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition-smooth);
  gap: 0.5rem;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #ffffff;
  border: none;
  box-shadow: 0 4px 20px rgba(var(--accent-cyan-rgb), 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(var(--accent-cyan-rgb), 0.45);
  background: var(--accent-gradient-hover);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border-glass-hover);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  transform: translateY(-3px);
  background: var(--bg-tertiary);
  border-color: var(--accent-cyan);
  box-shadow: 0 5px 15px rgba(var(--accent-cyan-rgb), 0.15);
}

/* --- Preloader Animation --- */
#preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--bg-primary);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader-logo {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

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

.loader-bar {
  width: 160px;
  height: 3px;
  background-color: var(--bg-tertiary);
  border-radius: 10px;
  position: relative;
  overflow: hidden;
}

.loader-progress {
  position: absolute;
  top: 0;
  left: 0;
  width: 0%;
  height: 100%;
  background: var(--accent-gradient);
  border-radius: 10px;
  animation: loading 2.5s cubic-bezier(0.075, 0.82, 0.165, 1) forwards;
}

@keyframes loading {
  0% { width: 0%; }
  50% { width: 70%; }
  100% { width: 100%; }
}

/* --- Header / Sticky Navigation --- */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition-smooth);
}

header.scrolled {
  background-color: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-glass);
  box-shadow: var(--nav-shadow);
  padding: 0.6rem 0;
}

header:not(.scrolled) {
  padding: 1.2rem 0;
}

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

.logo {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.logo-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-cyan);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.2rem;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
}

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

/* Theme Switch Button */
.theme-toggle-btn {
  background: transparent;
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: var(--transition-smooth);
  background-color: var(--bg-glass-card);
}

.theme-toggle-btn:hover {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-glow);
  transform: scale(1.05);
}

.theme-toggle-btn .fa-sun {
  display: none;
}

:root.light-theme .theme-toggle-btn .fa-moon {
  display: none;
}

:root.light-theme .theme-toggle-btn .fa-sun {
  display: block;
}

/* Burger Menu */
.burger-menu {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 25px;
  height: 18px;
  cursor: pointer;
  z-index: 1001;
}

.burger-bar {
  width: 100%;
  height: 2.5px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition-smooth);
}

@media (max-width: 991px) {
  .burger-menu {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--bg-secondary);
    border-left: 1px solid var(--border-glass);
    flex-direction: column;
    justify-content: flex-start;
    padding: 6rem 2rem 2rem 2rem;
    gap: 2rem;
    transition: var(--transition-smooth);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.4);
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  /* Burger Open Animation */
  .burger-menu.active .burger-bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  .burger-menu.active .burger-bar:nth-child(2) {
    opacity: 0;
  }
  .burger-menu.active .burger-bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 8rem;
  overflow: hidden;
  background-image: radial-gradient(circle at 10% 20%, rgba(var(--accent-cyan-rgb), 0.05) 0%, transparent 40%),
                    radial-gradient(circle at 90% 80%, rgba(var(--accent-blue-rgb), 0.05) 0%, transparent 40%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 4rem;
}

.hero-content {
  z-index: 10;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-cyan);
  background: var(--accent-glow);
  border: 1px solid var(--border-glass-hover);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  margin-bottom: 1.5rem;
}

.hero-tag-pulse {
  width: 8px;
  height: 8px;
  background-color: var(--accent-cyan);
  border-radius: 50%;
  animation: pulse-ring 1.8s infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.9); opacity: 1; box-shadow: 0 0 0 0 rgba(0, 242, 254, 0.7); }
  70% { transform: scale(1.1); opacity: 0.5; box-shadow: 0 0 0 8px rgba(0, 242, 254, 0); }
  100% { transform: scale(0.9); opacity: 1; box-shadow: 0 0 0 0 rgba(0, 242, 254, 0); }
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

.hero-title span {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.hero-buttons {
  display: flex;
  gap: 1.2rem;
}

/* Hero Illustration / Coding Graphic */
.hero-graphic {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.graphic-bg-glow {
  position: absolute;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(var(--accent-cyan-rgb), 0.15) 0%, transparent 70%);
  border-radius: 50%;
  z-index: -1;
  filter: blur(20px);
}

.terminal-mockup {
  width: 100%;
  max-width: 480px;
  background: rgba(10, 15, 26, 0.95);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  overflow: hidden;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.85rem;
  color: #a5b4fc;
}

.terminal-header {
  background-color: rgba(255, 255, 255, 0.05);
  padding: 0.75rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.terminal-dot.red { background-color: #ef4444; }
.terminal-dot.yellow { background-color: #f59e0b; }
.terminal-dot.green { background-color: #10b981; }

.terminal-title {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.terminal-body {
  padding: 1.5rem;
}

.terminal-body code {
  display: block;
  line-height: 1.6;
  white-space: pre-wrap;
}

.terminal-body .line-num {
  color: #4b5563;
  margin-right: 0.8rem;
  user-select: none;
}

.t-tag { color: #f43f5e; }
.t-attr { color: #fb923c; }
.t-val { color: #34d399; }
.t-keyword { color: #38bdf8; }
.t-comment { color: #6b7280; font-style: italic; }

@media (max-width: 991px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }
  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-buttons {
    justify-content: center;
  }
  .hero {
    padding-top: 6rem;
    padding-bottom: 4rem;
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 2.5rem;
  }
  .hero-buttons {
    flex-direction: column;
    gap: 0.8rem;
  }
  .btn {
    width: 100%;
  }
}

/* --- About Us Section --- */
.about {
  background-color: var(--bg-secondary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 5rem;
}

.about-img-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
}

.about-img-box {
  width: 100%;
  max-width: 450px;
  background: var(--bg-glass-card);
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  padding: 1.5rem;
  box-shadow: var(--card-shadow);
  position: relative;
  overflow: hidden;
}

.about-img-box::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(var(--accent-cyan-rgb), 0.05) 0%, transparent 60%);
  animation: rotate-bg 20s linear infinite;
}

@keyframes rotate-bg {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.about-info-badge {
  background: var(--bg-primary);
  border: 1px solid var(--border-glass-hover);
  border-radius: 12px;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: 0 10px 25px -5px rgba(0,0,0,0.2);
  margin-top: 1rem;
}

.about-info-badge i {
  font-size: 2rem;
  color: var(--accent-cyan);
  text-shadow: 0 0 10px var(--accent-glow);
}

.about-info-text h4 {
  font-size: 1.1rem;
  font-weight: 700;
}

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

.about-content h3 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

.about-content p {
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 2.5rem;
}

.stat-item {
  border-left: 3px solid var(--accent-cyan);
  padding-left: 1.2rem;
}

.stat-num {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}

.stat-num span {
  color: var(--accent-cyan);
}

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

@media (max-width: 991px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
  .about-content {
    order: -1;
  }
}

/* --- Services Section --- */
.services {
  background: var(--bg-primary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
  transition: var(--transition-smooth);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--card-shadow);
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-glass-hover);
  box-shadow: 0 15px 40px -10px rgba(var(--accent-cyan-rgb), 0.15);
}

.service-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--accent-gradient);
  opacity: 0;
  transition: var(--transition-smooth);
}

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

.service-icon-box {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  background: var(--accent-glow);
  border: 1px solid var(--border-glass-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.8rem;
  transition: var(--transition-smooth);
}

.service-card:hover .service-icon-box {
  transform: scale(1.1);
  background: var(--accent-gradient);
  border-color: transparent;
  box-shadow: 0 8px 20px rgba(var(--accent-cyan-rgb), 0.3);
}

.service-icon-box i {
  font-size: 1.5rem;
  color: var(--accent-cyan);
  transition: var(--transition-smooth);
}

.service-card:hover .service-icon-box i {
  color: #ffffff;
}

.service-card h3 {
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

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

.service-learn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-cyan);
}

.service-learn i {
  font-size: 0.8rem;
  transition: var(--transition-fast);
}

.service-card:hover .service-learn i {
  transform: translateX(5px);
}

/* --- Why Choose Us Section --- */
.why-us {
  background-color: var(--bg-secondary);
}

.why-us-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  align-items: center;
  gap: 5rem;
}

.why-us-info h3 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

.why-us-info p {
  margin-bottom: 2rem;
  color: var(--text-secondary);
}

.why-us-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.why-card {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  padding: 1.8rem;
  transition: var(--transition-smooth);
  box-shadow: var(--card-shadow);
}

.why-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-glass-hover);
  background: rgba(18, 29, 54, 0.6);
}

.why-card i {
  font-size: 1.8rem;
  color: var(--accent-cyan);
  margin-bottom: 1rem;
}

.why-card h4 {
  font-size: 1.15rem;
  margin-bottom: 0.6rem;
}

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

@media (max-width: 991px) {
  .why-us-grid {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
}

@media (max-width: 576px) {
  .why-us-cards {
    grid-template-columns: 1fr;
  }
}

/* --- Development Process Section --- */
.process {
  background: var(--bg-primary);
  overflow: hidden;
}

.timeline {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  background: linear-gradient(to bottom, var(--accent-cyan) 0%, var(--accent-blue) 100%);
  transform: translateX(-50%);
}

.timeline-item {
  display: flex;
  justify-content: flex-end;
  position: relative;
  margin-bottom: 4rem;
  width: 50%;
}

.timeline-item:nth-child(even) {
  align-self: flex-end;
  margin-left: 50%;
  justify-content: flex-start;
}

.timeline-item::after {
  content: '';
  position: absolute;
  top: 25px;
  right: -8px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: var(--bg-primary);
  border: 3px solid var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-glow);
  z-index: 2;
  transition: var(--transition-smooth);
}

.timeline-item:nth-child(even)::after {
  left: -8px;
  right: auto;
}

.timeline-content {
  width: 85%;
  background: var(--bg-glass-card);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: 2rem;
  position: relative;
  box-shadow: var(--card-shadow);
  transition: var(--transition-smooth);
}

.timeline-content:hover {
  border-color: var(--border-glass-hover);
  transform: translateY(-3px);
  box-shadow: 0 10px 25px -5px rgba(var(--accent-cyan-rgb), 0.1);
}

.timeline-item:hover::after {
  background-color: var(--accent-cyan);
  box-shadow: 0 0 15px var(--accent-cyan);
}

.process-step {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.8rem;
}

.step-num {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: rgba(var(--accent-cyan-rgb), 0.2);
}

.timeline-content h4 {
  font-size: 1.25rem;
}

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

@media (max-width: 768px) {
  .timeline::before {
    left: 20px;
  }
  
  .timeline-item {
    width: 100%;
    margin-left: 0 !important;
    justify-content: flex-start;
    padding-left: 45px;
    margin-bottom: 3rem;
  }
  
  .timeline-item::after {
    left: 12px !important;
    right: auto !important;
  }
  
  .timeline-content {
    width: 100%;
  }
}

/* --- Technologies Section --- */
.technologies {
  background-color: var(--bg-secondary);
  text-align: center;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.tech-badge {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
  box-shadow: var(--card-shadow);
  transition: var(--transition-smooth);
}

.tech-badge:hover {
  transform: translateY(-5px);
  border-color: var(--border-glass-hover);
  background: rgba(18, 29, 54, 0.6);
  box-shadow: 0 10px 25px -5px rgba(var(--accent-cyan-rgb), 0.1);
}

.tech-badge i {
  font-size: 2.2rem;
  transition: var(--transition-smooth);
}

.tech-badge span {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

/* Icon colors for tech */
.html-col { color: #e34c26; }
.css-col { color: #264de4; }
.js-col { color: #f7df1e; }
.react-col { color: #61dafb; }
.next-col { color: var(--text-primary); }
.node-col { color: #3c873a; }
.python-col { color: #4b8bbe; }
.mysql-col { color: #00758f; }
.mongo-col { color: #4db33d; }
.git-col { color: #f05032; }

.tech-badge:hover i {
  transform: scale(1.1);
}

/* --- FAQ Section --- */
.faq {
  background: var(--bg-primary);
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  margin-bottom: 1.2rem;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--transition-smooth);
}

.faq-item:hover {
  border-color: var(--border-glass-hover);
}

.faq-header {
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.faq-header h4 {
  font-size: 1.1rem;
  font-weight: 600;
  padding-right: 1.5rem;
}

.faq-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--accent-glow);
  color: var(--accent-cyan);
  transition: var(--transition-smooth);
}

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-body-content {
  padding: 0 2rem 1.8rem 2rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* FAQ Active State */
.faq-item.active {
  background-color: var(--bg-tertiary);
  border-color: var(--border-glass-hover);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  background: var(--accent-cyan);
  color: #ffffff;
}

/* --- Contact Us Section --- */
.contact {
  background-color: var(--bg-secondary);
  overflow: hidden;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 5rem;
  align-items: flex-start;
}

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

.contact-card {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: var(--card-shadow);
}

.contact-info-title {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

.contact-info-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1.2rem;
}

.contact-icon-box {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 1.2rem;
  border: 1px solid var(--border-glass-hover);
}

.contact-text-box h5 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
}

.contact-text-box p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.contact-form-box {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  padding: 3rem;
  box-shadow: var(--card-shadow);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: relative;
}

.form-group-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  font-family: var(--font-heading);
}

.form-input {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-glass);
  border-radius: 8px;
  padding: 0.85rem 1rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-primary);
  outline: none;
  transition: var(--transition-fast);
}

.form-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-glow);
}

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

select.form-input {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg fill='%23cbd5e1' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/><path d='M0 0h24v24H0z' fill='none'/></svg>");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

:root.light-theme select.form-input {
  background-image: url("data:image/svg+xml;utf8,<svg fill='%23334155' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/><path d='M0 0h24v24H0z' fill='none'/></svg>");
}

.form-error {
  font-size: 0.75rem;
  color: #ef4444;
  margin-top: 0.2rem;
  display: none;
}

.form-input.error {
  border-color: #ef4444;
  box-shadow: 0 0 10px rgba(239, 68, 68, 0.15);
}

.form-success-msg {
  display: none;
  background-color: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #10b981;
  padding: 1rem;
  border-radius: 8px;
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  text-align: center;
  font-weight: 500;
}

@media (max-width: 991px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
}

@media (max-width: 576px) {
  .form-group-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .contact-form-box {
    padding: 2rem 1.5rem;
  }
}

/* --- Footer --- */
footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-glass);
  padding: 5rem 0 2.5rem 0;
  font-size: 0.95rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr 1.2fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand h4 {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.footer-brand h4 span {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.footer-brand p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  max-width: 280px;
}

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

.social-link {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.social-link:hover {
  transform: translateY(-3px);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 5px 15px var(--accent-glow);
}

.footer-col h5 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  position: relative;
  display: inline-block;
}

.footer-col h5::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--accent-gradient);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.footer-col ul a {
  color: var(--text-secondary);
}

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

.footer-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-info-item {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
}

.footer-info-item i {
  color: var(--accent-cyan);
  margin-top: 0.2rem;
}

.footer-bottom {
  border-top: 1px solid var(--border-glass);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

@media (max-width: 991px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

@media (max-width: 576px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

/* --- Scroll Reveal Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(35px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* Delay modifiers for sequential reveal */
.reveal-delay-1 { transition-delay: 0.15s; }
.reveal-delay-2 { transition-delay: 0.3s; }
.reveal-delay-3 { transition-delay: 0.45s; }
.reveal-delay-4 { transition-delay: 0.6s; }

/* Horizontal reveal directions */
.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-left.revealed, .reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}