/* ============================================
   DEVELOPER PORTFOLIO - MAIN STYLESHEET
   Tech: Pure CSS3 - No frameworks
   Features: Dark/Light mode, Glassmorphism,
             Gradient animations, Responsive
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  /* Primary palette */
  --primary-50: #eef2ff;
  --primary-100: #e0e7ff;
  --primary-200: #c7d2fe;
  --primary-300: #a5b4fc;
  --primary-400: #818cf8;
  --primary-500: #6366f1;
  --primary-600: #4f46e5;
  --primary-700: #4338ca;
  --primary-800: #3730a3;
  --primary-900: #312e81;

  /* Accent palette */
  --accent-300: #d8b4fe;
  --accent-400: #c084fc;
  --accent-500: #a855f7;
  --accent-600: #9333ea;
  --accent-700: #7e22ce;

  /* Light mode surfaces */
  --bg-body: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-alt: #f1f5f9;
  --glass-bg: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(255, 255, 255, 0.55);
  --glass-shadow: 0 8px 32px rgba(99, 102, 241, 0.10);

  /* Light mode text */
  --text-heading: #0f172a;
  --text-body: #334155;
  --text-muted: #94a3b8;
  --text-inverse: #ffffff;

  /* Shared */
  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #6366f1 100%);
  --gradient-accent: linear-gradient(135deg, #818cf8 0%, #c084fc 100%);
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-full: 9999px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-display: 'Clash Display', 'Satoshi', system-ui, sans-serif;
  --font-body: 'General Sans', 'Satoshi', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --nav-height: 72px;
}

/* --- Dark Mode Variables --- */
[data-theme="dark"] {
  --bg-body: #020617;
  --bg-surface: #0f172a;
  --bg-surface-alt: #1e293b;
  --glass-bg: rgba(15, 23, 42, 0.72);
  --glass-border: rgba(99, 102, 241, 0.18);
  --glass-shadow: 0 8px 32px rgba(99, 102, 241, 0.12);
  --text-heading: #f1f5f9;
  --text-body: #cbd5e1;
  --text-muted: #64748b;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--bg-body);
  color: var(--text-body);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}

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

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

ul, ol { list-style: none; }

p { text-align: justify; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--text-heading);
  line-height: 1.2;
  font-weight: 700;
}

::selection {
  background: rgba(99, 102, 241, 0.25);
  color: var(--text-heading);
}

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 7px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(99, 102, 241, 0.3);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(99, 102, 241, 0.5);
}

/* --- Utility Classes --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 1.5rem 0;
  position: relative;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary-500);
  margin-bottom: 0.75rem;
}

.section-label::before {
  content: '';
  width: 28px;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

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

.gradient-text {
  background: var(--gradient-primary);
  background-size: 300% 300%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: animGradient 8s ease infinite;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 2rem;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  background-size: 300% 300%;
  animation: animGradient 8s ease infinite;
  color: #fff;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.45);
}

.btn-outline {
  background: transparent;
  border: 2px solid rgba(99, 102, 241, 0.4);
  color: var(--primary-500);
}

[data-theme="dark"] .btn-outline {
  border-color: rgba(168, 85, 247, 0.4);
  color: var(--accent-400);
}

.btn-outline:hover {
  background: rgba(99, 102, 241, 0.08);
  border-color: var(--primary-500);
  transform: translateY(-3px);
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.85rem;
}

.btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: 50%;
  font-size: 1.1rem;
}

/* --- Glass Card --- */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(99, 102, 241, 0.18);
}

/* ============================================
   SCROLL PROGRESS BAR
   ============================================ */
#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: var(--gradient-primary);
  background-size: 300% 300%;
  animation: animGradient 8s ease infinite;
  z-index: 10000;
  transition: width 0.05s linear;
}

/* ============================================
   BACKGROUND PARTICLES / ORBS
   ============================================ */
.bg-orbs {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.bg-orbs .orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.12;
}

[data-theme="dark"] .bg-orbs .orb { opacity: 0.06; }

.bg-orbs .orb-1 {
  width: 550px;
  height: 550px;
  background: var(--primary-500);
  top: -180px;
  right: -180px;
  animation: orbFloat 14s ease-in-out infinite;
}

.bg-orbs .orb-2 {
  width: 450px;
  height: 450px;
  background: var(--accent-500);
  bottom: -120px;
  left: -120px;
  animation: orbFloat 11s ease-in-out infinite reverse;
}

.bg-orbs .orb-3 {
  width: 300px;
  height: 300px;
  background: var(--primary-400);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: orbFloat 16s ease-in-out infinite 3s;
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: var(--transition);
}

.navbar.scrolled {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-heading);
}

.nav-logo .logo-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient-primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1rem;
  font-weight: 800;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-links a {
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-body);
  border-radius: var(--radius-sm);
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary-500);
  background: rgba(99, 102, 241, 0.06);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2.5px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Theme Toggle */
.theme-toggle {
  width: 42px;
  height: 42px;
  border: none;
  background: rgba(99, 102, 241, 0.08);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  color: var(--text-body);
  transition: var(--transition);
}

.theme-toggle:hover {
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary-500);
}

/* Mobile menu toggle */
.nav-menu-btn {
  display: none;
  width: 42px;
  height: 42px;
  border: none;
  background: rgba(99, 102, 241, 0.08);
  border-radius: var(--radius-sm);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 0;
}

.nav-menu-btn span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-heading);
  border-radius: 2px;
  transition: var(--transition);
}

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

/* Mobile Navigation */
@media (max-width: 900px) {
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    flex-direction: column;
    padding: 1.5rem;
    gap: 0.25rem;
    transform: translateY(-120%);
    opacity: 0;
    transition: var(--transition);
    z-index: 999;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
  }

  .nav-links a {
    padding: 0.75rem 1rem;
    width: 100%;
    font-size: 1rem;
  }

  .nav-menu-btn {
    display: flex;
  }
}

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

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

.hero-content { z-index: 2; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.15);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--primary-500);
  margin-bottom: 1.5rem;
}

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

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero-title .line { display: block; }

.hero-description {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 520px;
  margin-bottom: 2rem;
  line-height: 1.8;
}

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

.hero-stats {
  display: flex;
  gap: 2.5rem;
}

.hero-stat {
  text-align: center;
}

.hero-stat .number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-heading);
  line-height: 1;
}

.hero-stat .label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2;
}

.hero-image-wrapper {
  position: relative;
  width: 380px;
  height: 380px;
}

.hero-image-wrapper::before {
  content: '';
  position: absolute;
  inset: -4px;
  background: var(--gradient-primary);
  background-size: 300% 300%;
  animation: animGradient 6s ease infinite;
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  z-index: 0;
}

.hero-image-placeholder {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-image-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
}

/* Floating tech badges around hero image */
.hero-float-badge {
  position: absolute;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  z-index: 5;
  animation: floatBadge 5s ease-in-out infinite;
}

.hero-float-badge.badge-1 {
  top: 10%;
  right: -10%;
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary-500);
  border: 1px solid rgba(99, 102, 241, 0.25);
  animation-delay: 0s;
}

.hero-float-badge.badge-2 {
  bottom: 20%;
  right: -15%;
  background: rgba(34, 197, 94, 0.12);
  color: #16a34a;
  border: 1px solid rgba(34, 197, 94, 0.2);
  animation-delay: 1.5s;
}

.hero-float-badge.badge-3 {
  bottom: 5%;
  left: -10%;
  background: rgba(168, 85, 247, 0.12);
  color: var(--accent-500);
  border: 1px solid rgba(168, 85, 247, 0.2);
  animation-delay: 3s;
}

@media (max-width: 900px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }
  .hero-description { margin-left: auto; margin-right: auto; }
  .hero-cta { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { order: -1; }
  .hero-image-wrapper { width: 260px; height: 260px; }
  .hero-float-badge { display: none; }
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: start;
  margin-top: 3rem;
}

.about-image-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/5;
  background: var(--bg-surface-alt);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-image-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-image-card .placeholder-text {
  font-size: 3rem;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 800;
  font-family: var(--font-display);
}

.about-experience-badge {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  padding: 1rem 1.5rem;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
}

.about-experience-badge .number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary-500);
  font-family: var(--font-display);
  line-height: 1;
}

.about-experience-badge .text {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.about-text p {
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
}

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

.about-highlight {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem;
  border-radius: var(--radius-md);
  background: var(--bg-surface-alt);
  transition: var(--transition);
}

.about-highlight:hover {
  background: rgba(99, 102, 241, 0.06);
}

.about-highlight .icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(99, 102, 241, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-500);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.about-highlight .info h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.15rem;
}

.about-highlight .info p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 0;
}

@media (max-width: 768px) {
  .about-grid { grid-template-columns: 1fr; gap: 2rem; }
  .about-image-card { max-width: 360px; margin: 0 auto; }
  .about-highlights { grid-template-columns: 1fr; }
}

/* ============================================
   SKILLS SECTION
   ============================================ */
.skills-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 2.5rem;
  margin-bottom: 2.5rem;
}

.skills-tab {
  padding: 0.6rem 1.5rem;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--text-body);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.skills-tab:hover {
  border-color: var(--primary-400);
  color: var(--primary-500);
}

.skills-tab.active {
  background: var(--gradient-primary);
  border-color: transparent;
  color: #fff;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
}

.skill-card {
  padding: 1.25rem 1.5rem;
}

.skill-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.skill-card-header .name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-heading);
}

.skill-card-header .level {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary-500);
}

.skill-bar {
  height: 6px;
  background: var(--bg-surface-alt);
  border-radius: 3px;
  overflow: hidden;
}

[data-theme="dark"] .skill-bar {
  background: rgba(255, 255, 255, 0.08);
}

.skill-bar-fill {
  height: 100%;
  background: var(--gradient-primary);
  background-size: 300% 300%;
  animation: animGradient 8s ease infinite;
  border-radius: 3px;
  width: 0%;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-panel { display: none; }
.skill-panel.active { display: block; }

@media (max-width: 600px) {
  .skills-grid { grid-template-columns: 1fr; }
}

/* ============================================
   PROJECTS SECTION
   ============================================ */
.projects-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 2.5rem;
  margin-bottom: 2.5rem;
}

.filter-btn {
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--text-body);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover { border-color: var(--primary-400); color: var(--primary-500); }

.filter-btn.active {
  background: var(--gradient-primary);
  border-color: transparent;
  color: #fff;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 1.75rem;
}

.project-card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.project-card-image {
  position: relative;
  height: 220px;
  background: var(--gradient-accent);
  overflow: hidden;
}

.project-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.project-card:hover .project-card-image img {
  transform: scale(1.08);
}

.project-card-image .overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  opacity: 0;
  transition: var(--transition);
}

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

.overlay-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  color: var(--primary-600);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transform: translateY(10px);
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.project-card:hover .overlay-btn {
  transform: translateY(0);
}

.overlay-btn:hover {
  background: #fff;
  transform: scale(1.1) !important;
}

.project-card-body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-card-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.project-card-body p {
  font-size: 0.9rem;
  color: var(--text-muted);
  flex: 1;
  margin-bottom: 1rem;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.project-tech span {
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  background: rgba(99, 102, 241, 0.08);
  color: var(--primary-500);
  border: 1px solid rgba(99, 102, 241, 0.12);
}

.project-card-image .placeholder-label {
  color: rgba(255, 255, 255, 0.5);
  font-size: 2rem;
  font-weight: 700;
  font-family: var(--font-display);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 0;
}

@media (max-width: 600px) {
  .projects-grid { grid-template-columns: 1fr; }
}

/* ============================================
   EXPERIENCE TIMELINE
   ============================================ */
.timeline {
  position: relative;
  margin-top: 3rem;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary-500), var(--accent-500));
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  padding-left: 2.5rem;
  padding-bottom: 3rem;
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-dot {
  position: absolute;
  left: -2rem;
  top: 0.25rem;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--gradient-primary);
  border: 3px solid var(--bg-body);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.timeline-content {
  padding: 1.5rem;
}

.timeline-content .period {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary-500);
  margin-bottom: 0.5rem;
}

.timeline-content h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.timeline-content .company {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.timeline-content p {
  font-size: 0.92rem;
  color: var(--text-body);
  margin-bottom: 1rem;
}

.timeline-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.timeline-tech span {
  padding: 0.2rem 0.65rem;
  font-size: 0.72rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  background: rgba(99, 102, 241, 0.08);
  color: var(--primary-500);
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.service-card {
  padding: 2rem;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  background-size: 300% 300%;
  animation: animGradient 8s ease infinite;
  opacity: 0;
  transition: var(--transition);
}

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

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: rgba(99, 102, 241, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--primary-500);
  margin-bottom: 1.25rem;
}

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.service-card > p {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--text-body);
}

.service-features li::before {
  content: '\2713';
  color: var(--primary-500);
  font-weight: 700;
  font-size: 0.8rem;
}

@media (max-width: 600px) {
  .services-grid { grid-template-columns: 1fr; }
}

/* ============================================
   BRAND SECTION
   ============================================ */
.brand-section {
  background: var(--gradient-primary);
  background-size: 300% 300%;
  animation: animGradient 12s ease infinite;
  border-radius: var(--radius-lg);
  padding: 4rem 3rem;
  margin-top: 3rem;
  position: relative;
  overflow: hidden;
  color: #fff;
}

.brand-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.06'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.brand-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: center;
}

.brand-content h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 1rem;
}

.brand-content p {
  font-size: 1.05rem;
  opacity: 0.9;
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.brand-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.brand-stat {
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
}

.brand-stat .number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
}

.brand-stat .label {
  font-size: 0.82rem;
  opacity: 0.8;
  margin-top: 0.25rem;
}

.btn-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 2rem;
  background: rgba(255, 255, 255, 0.95);
  color: var(--primary-600);
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.95rem;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn-brand:hover {
  background: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

@media (max-width: 768px) {
  .brand-section { padding: 3rem 1.5rem; }
  .brand-content { grid-template-columns: 1fr; text-align: center; }
  .brand-stats { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================
   GALLERY SECTION
   ============================================ */
.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 2.5rem;
  margin-bottom: 2rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
  background: var(--bg-surface-alt);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-item .gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.85) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.25rem;
  opacity: 0;
  transition: var(--transition);
}

.gallery-item:hover .gallery-overlay { opacity: 1; }

.gallery-overlay h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.25rem;
}

.gallery-overlay .category {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
}

.gallery-item .placeholder-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
  padding: 2rem;
}

.lightbox.open { display: flex; }

.lightbox img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  cursor: default;
}

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  border: none;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.lightbox-close:hover { background: rgba(255, 255, 255, 0.2); }

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border: none;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border-radius: 50%;
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.lightbox-nav:hover { background: rgba(255, 255, 255, 0.25); }
.lightbox-prev { left: 1.5rem; }
.lightbox-next { right: 1.5rem; }

@media (max-width: 600px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
}

/* ============================================
   BLOG SECTION
   ============================================ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.75rem;
  margin-top: 3rem;
}

.blog-card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.blog-card-image {
  height: 200px;
  background: var(--gradient-accent);
  position: relative;
  overflow: hidden;
}

.blog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.blog-card-image .blog-category {
  position: absolute;
  top: 1rem;
  left: 1rem;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.9);
  color: var(--primary-600);
  font-size: 0.75rem;
  font-weight: 600;
}

.blog-card-body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.blog-meta span { display: flex; align-items: center; gap: 0.3rem; }

.blog-card-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.blog-card-body h3 a:hover { color: var(--primary-500); }

.blog-card-body p {
  font-size: 0.88rem;
  color: var(--text-muted);
  flex: 1;
  margin-bottom: 1rem;
}

.blog-read-more {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--primary-500);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.blog-read-more:hover { gap: 0.7rem; }

.blog-card-image .placeholder-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.85rem;
  font-weight: 600;
}

@media (max-width: 600px) {
  .blog-grid { grid-template-columns: 1fr; }
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 3rem;
  margin-top: 3rem;
}

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

.contact-info-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
}

.contact-info-card .icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(99, 102, 241, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-500);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-info-card .details h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.15rem;
}

.contact-info-card .details p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.contact-social {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
}

.contact-social a {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-body);
  font-size: 1.1rem;
  transition: var(--transition);
}

.contact-social a:hover {
  background: var(--primary-500);
  color: #fff;
  border-color: var(--primary-500);
  transform: translateY(-3px);
}

/* Contact Form */
.contact-form {
  padding: 2rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1.15rem;
  background: var(--bg-surface-alt);
  border: 1.5px solid transparent;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-heading);
  transition: var(--transition);
  outline: none;
}

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

.form-control:focus {
  border-color: var(--primary-400);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

.form-message {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 500;
  margin-bottom: 1rem;
  display: none;
}

.form-message.success {
  display: block;
  background: rgba(34, 197, 94, 0.1);
  color: #16a34a;
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.form-message.error {
  display: block;
  background: rgba(239, 68, 68, 0.1);
  color: #dc2626;
  border: 1px solid rgba(239, 68, 68, 0.2);
}

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* ============================================
   ANIMATED COUNTERS
   ============================================ */
.counters-section {
  padding: 4rem 0;
}

.counters-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.counter-card {
  text-align: center;
  padding: 2rem 1rem;
}

.counter-card .counter-number {
  font-family: var(--font-display);
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--text-heading);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.counter-card .counter-number .suffix {
  color: var(--primary-500);
}

.counter-card .counter-label {
  font-size: 0.88rem;
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .counters-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .counters-grid { grid-template-columns: 1fr; }
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--glass-border);
  padding: 4rem 0 0;
  position: relative;
  z-index: 2;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-heading);
  margin-bottom: 1rem;
}

.footer-brand .footer-logo .logo-icon {
  width: 34px;
  height: 34px;
  background: var(--gradient-primary);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.9rem;
  font-weight: 800;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  max-width: 320px;
}

.footer-social {
  display: flex;
  gap: 0.6rem;
}

.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(99, 102, 241, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 1rem;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--primary-500);
  color: #fff;
}

.footer-column h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-heading);
}

.footer-column ul { display: flex; flex-direction: column; gap: 0.5rem; }

.footer-column a {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.footer-column a:hover { color: var(--primary-500); }

.footer-bottom {
  margin-top: 3rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--glass-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ============================================
   WHATSAPP FLOATING BUTTON
   ============================================ */
.whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25d366;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.6rem;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  z-index: 900;
  transition: var(--transition);
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 5rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-500);
  font-size: 1.1rem;
  cursor: pointer;
  z-index: 900;
  opacity: 0;
  transform: translateY(10px);
  transition: var(--transition);
}

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

.back-to-top:hover {
  background: var(--primary-500);
  color: #fff;
}

/* ============================================
   BLOG SINGLE PAGE
   ============================================ */
.blog-single {
  max-width: 780px;
  margin: 0 auto;
  padding-top: calc(var(--nav-height) + 3rem);
}

.blog-single-header {
  margin-bottom: 2.5rem;
}

.blog-single-header .blog-category {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary-500);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.blog-single-header h1 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.blog-single-image {
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 2.5rem;
  background: var(--gradient-accent);
}

.blog-single-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-single-content {
  font-size: 1.05rem;
  line-height: 1.9;
}

.blog-single-content h2 {
  font-size: 1.5rem;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

.blog-single-content h3 {
  font-size: 1.25rem;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.blog-single-content p {
  margin-bottom: 1.25rem;
}

.blog-single-content ul, .blog-single-content ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.blog-single-content li {
  list-style: disc;
  margin-bottom: 0.4rem;
}

.blog-single-content ol li { list-style: decimal; }

.blog-single-content code {
  background: var(--bg-surface-alt);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
}

.blog-single-content pre {
  background: var(--bg-surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  overflow-x: auto;
  margin-bottom: 1.5rem;
}

.blog-single-content pre code {
  background: transparent;
  padding: 0;
}

.blog-single-content blockquote {
  border-left: 3px solid var(--primary-500);
  padding-left: 1.25rem;
  margin: 1.5rem 0;
  color: var(--text-muted);
  font-style: italic;
}

/* ============================================
   SCROLL REVEAL ANIMATIONS
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.revealed {
  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; }

/* ============================================
   KEYFRAME ANIMATIONS
   ============================================ */
@keyframes animGradient {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

@keyframes orbFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-40px) rotate(3deg); }
}

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

@keyframes floatBadge {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
  .navbar, .whatsapp-float, .back-to-top, .bg-orbs, #scroll-progress { display: none !important; }
  body { background: #fff; color: #000; }
  .glass-card { background: #fff; box-shadow: none; border: 1px solid #ddd; }
}