/*
 * STC Developers Website - Style Sheet
 * Professional, Modern, Corporate White & Blue Palette
 * Features: Light/Dark Mode, Glassmorphism, Responsive Grid, Smooth Animations
 */

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

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

  /* Colors */
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-light: rgba(37, 99, 235, 0.1);
  --color-accent: #06b6d4;
  --color-success: #10b981;
  --color-error: #ef4444;

  /* Light Theme Defaults */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-card: rgba(255, 255, 255, 0.7);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --border-color: rgba(226, 232, 240, 0.8);
  
  /* Glassmorphism Styles */
  --glass-bg: rgba(255, 255, 255, 0.45);
  --glass-border: rgba(255, 255, 255, 0.6);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.05);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.02);

  /* Scroll and transitions */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  /* Dark Theme */
  --bg-primary: #080c14;
  --bg-secondary: #0e1420;
  --bg-card: rgba(14, 20, 32, 0.6);
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  --border-color: rgba(30, 41, 59, 0.6);
  
  /* Glassmorphism Styles */
  --glass-bg: rgba(14, 20, 32, 0.55);
  --glass-border: rgba(255, 255, 255, 0.05);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.2);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.2), 0 2px 4px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
}

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

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

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

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}
::-webkit-scrollbar-thumb {
  background: var(--color-primary-dark);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* Common Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

section {
  padding: 80px 0;
  position: relative;
}

.section-bg {
  background-color: var(--bg-secondary);
}

.section-title {
  text-align: center;
  margin-bottom: 50px;
  position: relative;
  z-index: 2;
}

.section-title h2 {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 15px;
  text-transform: capitalize;
}

.section-title h2 span {
  color: var(--color-primary);
}

.section-title p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  gap: 8px;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
  border: 1px solid var(--color-primary);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: #ffffff;
  transform: translateY(-2px);
}

/* Glassmorphism Card base */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: 16px;
  transition: var(--transition);
}

/* --- Preloader --- */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--bg-primary);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.preloader.fade-out {
  opacity: 0;
  visibility: hidden;
}

/* Branded preloader logo block */
.preloader-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  animation: preloaderPulse 1.6s ease-in-out infinite;
}

.preloader-brand .preloader-logo {
  height: 80px;
  width: 80px;
  object-fit: contain;
  background-color: #ffffff;
  border-radius: 20px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
  padding: 6px;
}

.preloader-brand .preloader-name {
  font-family: var(--font-heading);
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.preloader-brand .preloader-name span {
  color: var(--color-primary);
}

.preloader-dots {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}

.preloader-dots span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--color-primary);
  animation: dotBounce 1.2s ease-in-out infinite;
}

.preloader-dots span:nth-child(2) { animation-delay: 0.2s; }
.preloader-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes preloaderPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.85; transform: scale(0.97); }
}

@keyframes dotBounce {
  0%, 80%, 100% { transform: translateY(0); opacity: 0.4; }
  40%            { transform: translateY(-8px); opacity: 1; }
}

/* --- Header / Navbar --- */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border-bottom: 1px solid transparent;
}

header.sticky {
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  padding: 16px 0;
}

[data-theme="dark"] header.sticky {
  background-color: rgba(8, 12, 20, 0.85);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

header:not(.sticky) {
  padding: 32px 0;
  background-color: transparent;
}

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

.logo-container {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-img {
  height: 48px;
  width: 48px;
  object-fit: contain;
  background-color: #ffffff;
  border-radius: 12px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.06);
  padding: 3px;
  transition: var(--transition);
}

.logo-img:hover {
  transform: scale(1.05);
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.logo-text span {
  color: var(--color-primary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 35px;
  list-style: none;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  position: relative;
  transition: var(--transition);
  padding: 5px 0;
}

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

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* Dark Mode Toggle Switch */
.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-primary);
  font-size: 1.25rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: var(--transition);
  background-color: var(--bg-secondary);
}

.theme-toggle:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

/* Mobile Menu Toggle */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-primary);
  font-size: 1.5rem;
}

/* --- Hero Section --- */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 120px;
  overflow: hidden;
  background: radial-gradient(circle at 80% 20%, rgba(37, 99, 235, 0.08) 0%, transparent 40%),
              radial-gradient(circle at 10% 80%, rgba(6, 182, 212, 0.05) 0%, transparent 40%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 50px;
}

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

.hero-subtitle {
  font-family: var(--font-heading);
  color: var(--color-primary);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 15px;
  display: inline-block;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.hero-title span {
  color: var(--color-primary);
  position: relative;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 35px;
  max-width: 540px;
}

.hero-buttons {
  display: flex;
  gap: 15px;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-circle {
  width: 450px;
  height: 450px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
  position: absolute;
  z-index: 1;
}

/* Glassmorphic Tech Box in Hero */
.hero-glass-box {
  width: 100%;
  max-width: 440px;
  padding: 40px;
  z-index: 2;
  position: relative;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.tech-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 15px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition);
}

.tech-item:hover {
  transform: translateY(-5px);
  background: var(--color-primary-light);
  border-color: var(--color-primary);
}

.tech-item i {
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.tech-item span {
  font-size: 0.8rem;
  font-weight: 600;
  text-align: center;
}

/* --- About Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.about-text h3 {
  font-family: var(--font-heading);
  font-size: 2rem;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 30px;
}

.about-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 25px;
}

.value-card {
  padding: 25px;
}

.value-card i {
  font-size: 1.75rem;
  color: var(--color-primary);
  margin-bottom: 15px;
}

.value-card h4 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.value-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0;
}

.about-highlights {
  list-style: none;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 15px;
  font-size: 1.05rem;
}

.highlight-item i {
  color: var(--color-success);
}

/* --- Team Leader Section --- */
.leader-card-wrapper {
  max-width: 950px;
  margin: 0 auto;
}

.leader-card {
  display: grid;
  grid-template-columns: 380px 1fr;
  overflow: hidden;
}

.leader-img-container {
  position: relative;
  height: 100%;
  min-height: 380px;
  background-color: var(--bg-secondary);
}

.leader-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.leader-info {
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.leader-badge {
  display: inline-block;
  align-self: flex-start;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 15px;
}

.leader-info h3 {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 5px;
}

.leader-position {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.leader-bio {
  color: var(--text-secondary);
  margin-bottom: 25px;
}

.leader-meta {
  display: flex;
  gap: 30px;
  margin-bottom: 25px;
}

.leader-meta-item {
  display: flex;
  flex-direction: column;
}

.leader-meta-item span:first-child {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.leader-meta-item span:last-child {
  font-weight: 600;
  color: var(--text-primary);
}

.leader-skills-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
}

.skill-tag {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.social-links {
  display: flex;
  gap: 15px;
}

.social-btn {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: var(--transition);
}

.social-btn:hover {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

/* --- Team Members Section --- */
.team-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
  gap: 20px;
  flex-wrap: wrap;
}

.search-box {
  position: relative;
  max-width: 350px;
  width: 100%;
}

.search-box input {
  width: 100%;
  padding: 12px 20px 12px 45px;
  border-radius: 30px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition);
}

.search-box input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.search-box i {
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.filter-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.filter-tag {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  color: var(--text-secondary);
  transition: var(--transition);
}

.filter-tag:hover, .filter-tag.active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 30px;
}

.member-card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.member-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.member-img-container {
  aspect-ratio: 1 / 1;
  height: auto;
  background-color: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.member-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: var(--transition-slow);
}

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

.member-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 20px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  display: flex;
  justify-content: flex-end;
  opacity: 0;
  transition: var(--transition);
}

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

.member-overlay .social-links {
  gap: 10px;
}

.member-overlay .social-btn {
  background-color: rgba(255, 255, 255, 0.2);
  border: none;
  color: #ffffff;
}

.member-overlay .social-btn:hover {
  background-color: var(--color-primary);
}

.member-info {
  padding: 25px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.member-info h4 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--text-primary);
  margin-bottom: 5px;
}

.member-role {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 15px;
}

.member-experience {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 15px;
}

.member-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

.member-skill-tag {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
}

/* --- Services Section --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 30px;
}

.service-card {
  padding: 35px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-decoration: none;
  color: inherit;
}

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

.service-icon-wrapper {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 25px;
  transition: var(--transition);
}

.service-card:hover .service-icon-wrapper {
  background-color: var(--color-primary);
  color: #ffffff;
  transform: scale(1.05);
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* --- Skills Section --- */
.skills-wrapper {
  max-width: 800px;
  margin: 0 auto;
}

.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.skill-bar-container {
  margin-bottom: 25px;
}

.skill-bar-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  font-weight: 600;
  font-family: var(--font-heading);
}

.skill-bar-title {
  color: var(--text-primary);
}

.skill-bar-percent {
  color: var(--color-primary);
}

.skill-bar-bg {
  height: 8px;
  background-color: var(--border-color);
  border-radius: 4px;
  overflow: hidden;
}

.skill-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 4px;
  width: 0;
  transition: width 1.5s cubic-bezier(0.1, 0.8, 0.2, 1);
}

/* --- Projects Section --- */
.portfolio-controls {
  display: flex;
  justify-content: center;
  margin-bottom: 40px;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 30px;
}

.project-card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.project-img-container {
  height: 220px;
  position: relative;
  overflow: hidden;
  background-color: var(--bg-secondary);
}

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

.project-card:hover .project-img {
  transform: scale(1.06);
}

.project-category-badge {
  position: absolute;
  top: 15px;
  left: 15px;
  background-color: var(--color-primary);
  color: #ffffff;
  padding: 5px 12px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}

.project-info {
  padding: 25px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.project-info h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  color: #1a3a6e;
  margin-bottom: 10px;
}

[data-theme="dark"] .project-info h3 {
  color: #7eb3ff;
}

.project-description {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 25px;
  margin-top: auto;
}

.project-tag {
  background-color: #e8eef8;
  border: 1px solid #3b6cb7;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  color: #1a3a6e;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: background-color 0.2s, color 0.2s;
}

.project-tag:hover {
  background-color: #1a3a6e;
  color: #ffffff;
}

[data-theme="dark"] .project-tag {
  background-color: rgba(59, 108, 183, 0.18);
  border: 1px solid #3b6cb7;
  color: #7eb3ff;
}

[data-theme="dark"] .project-tag:hover {
  background-color: #3b6cb7;
  color: #ffffff;
}

.project-actions {
  display: flex;
  gap: 15px;
}

.project-actions .btn {
  padding: 10px 18px;
  font-size: 0.85rem;
  flex: 1;
}

/* --- Achievements Section --- */
.achievements-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.counter-card {
  text-align: center;
  padding: 40px 20px;
}

.counter-icon {
  font-size: 2.2rem;
  color: var(--color-primary);
  margin-bottom: 15px;
}

.counter-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 8px;
}

.counter-title {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
  font-weight: 600;
}

/* --- Testimonials Section --- */
.testimonial-carousel-container {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.testimonial-track {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.testimonial-slide {
  min-width: 100%;
  padding: 40px;
  box-sizing: border-box;
}

.testimonial-card {
  text-align: center;
  padding: 40px;
}

.quote-icon {
  font-size: 2.5rem;
  color: var(--color-primary-light);
  margin-bottom: 20px;
}

.testimonial-text {
  font-size: 1.15rem;
  color: var(--text-secondary);
  font-style: italic;
  line-height: 1.8;
  margin-bottom: 30px;
}

.client-profile {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.client-img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  object-position: top center;
  margin-bottom: 12px;
  border: 3px solid #3b6cb7;
  box-shadow: 0 4px 14px rgba(59, 108, 183, 0.25);
}

.client-name {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--text-primary);
  font-size: 1.05rem;
}

.client-role {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 30px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--border-color);
  cursor: pointer;
  transition: var(--transition);
}

.dot.active {
  background-color: var(--color-primary);
  width: 25px;
  border-radius: 5px;
}

/* --- Contact Section --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 50px;
}

.contact-info-panel {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-info-title h3 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  margin-bottom: 15px;
  color: var(--text-primary);
}

.contact-info-title p {
  color: var(--text-secondary);
  margin-bottom: 35px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 25px;
  margin-bottom: 40px;
}

.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.contact-detail-icon {
  width: 50px;
  height: 50px;
  border-radius: 10px;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.contact-detail-text h4 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  margin-bottom: 4px;
}

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

.contact-detail-text a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
}

.contact-detail-text a:hover {
  color: var(--color-primary);
}

/* Form Styling */
.contact-form-card {
  padding: 40px;
}

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

.form-group {
  margin-bottom: 20px;
}

.form-group.textarea {
  margin-bottom: 25px;
}

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

.form-group input, .form-group textarea {
  width: 100%;
  padding: 12px 18px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

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

/* Error styling */
.form-group.error input, .form-group.error textarea {
  border-color: var(--color-error);
}

.form-group.error label {
  color: var(--color-error);
}

.error-message {
  color: var(--color-error);
  font-size: 0.8rem;
  margin-top: 5px;
  display: none;
}

.form-group.error .error-message {
  display: block;
}

.success-alert {
  display: none;
  background-color: rgba(16, 185, 129, 0.15);
  border: 1px solid var(--color-success);
  color: var(--color-success);
  padding: 15px;
  border-radius: 8px;
  margin-bottom: 20px;
  text-align: center;
  font-weight: 500;
}

/* --- Footer --- */
/* --- Footer --- */
footer {
  background: radial-gradient(circle at 10% 90%, rgba(37, 99, 235, 0.03) 0%, transparent 45%), var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 85px 0 35px;
  position: relative;
  overflow: hidden;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
  position: relative;
  z-index: 2;
}

.footer-brand .logo-container {
  margin-bottom: 22px;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 25px;
  max-width: 320px;
  line-height: 1.7;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 28px;
  position: relative;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 32px;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 2px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
}

.footer-links a::before {
  content: '→';
  opacity: 0;
  margin-right: -8px;
  transition: var(--transition);
  color: var(--color-primary);
  font-weight: bold;
}

.footer-links a:hover {
  color: var(--color-primary);
  padding-left: 8px;
}

.footer-links a:hover::before {
  opacity: 1;
  margin-right: 6px;
}

.footer-brand .social-links .social-btn {
  background-color: var(--bg-primary);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

.footer-brand .social-links .social-btn:hover {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
  transform: translateY(-5px) rotate(360deg);
  box-shadow: var(--shadow-md);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
  position: relative;
  z-index: 2;
}

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

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}

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

/* --- Scroll to Top Button --- */
.scroll-to-top {
  position: fixed;
  bottom: 96px;
  right: 30px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: #ffffff;
  color: var(--color-primary);
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px) scale(0.8);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--border-color);
  font-size: 1.35rem;
}

.scroll-to-top.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.scroll-to-top:hover {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
  transform: translateY(-5px) scale(1.2);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.scroll-to-top:active {
  background-color: var(--color-primary-dark) !important;
  color: #ffffff !important;
  border-color: var(--color-primary-dark) !important;
  transform: translateY(-2px) scale(0.95);
}

/* --- WhatsApp Floating Action Button --- */
.whatsapp-btn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: #ffffff;
  color: #25d366;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  z-index: 99;
  text-decoration: none;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--border-color);
  font-size: 1.9rem;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  animation: whatsapp-pulse 2s infinite;
}

.whatsapp-btn:hover {
  background-color: #25d366;
  color: #ffffff;
  border-color: #25d366;
  transform: translateY(-5px) scale(1.2) rotate(8deg);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

.whatsapp-btn:active {
  background-color: var(--color-primary-dark) !important;
  color: #ffffff !important;
  border-color: var(--color-primary-dark) !important;
  transform: translateY(-2px) scale(0.95);
}

@keyframes whatsapp-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4);
  }
  70% {
    box-shadow: 0 0 0 12px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

/* --- Custom Scroll Animations (AOS replacement) --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-left.reveal-active {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-right.reveal-active {
  opacity: 1;
  transform: translateX(0);
}

/* --- Responsive Adjustments --- */
@media (max-width: 1024px) {
  html {
    font-size: 15px;
  }
  
  .hero-title {
    font-size: 3rem;
  }
  
  .hero-circle {
    width: 350px;
    height: 350px;
  }
  
  .achievements-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .leader-card {
    grid-template-columns: 1fr;
  }
  
  .leader-img-container {
    aspect-ratio: 1 / 1;
    height: auto;
    max-height: 420px;
    min-height: auto;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }

  section {
    padding: 60px 0;
  }
  
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  
  .hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .hero-description {
    margin: 0 auto 30px;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .hero-visual {
    order: -1;
  }
  
  .hero-glass-box {
    max-width: 380px;
    padding: 30px;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .about-values {
    grid-template-columns: 1fr;
  }
  
  .leader-card {
    grid-template-columns: 1fr;
  }
  
  .leader-img-container {
    aspect-ratio: 1 / 1;
    height: auto;
    max-height: 380px;
    min-height: auto;
  }
  
  .skills-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* Mobile Menu Styles */
  .mobile-menu-btn {
    display: block;
    z-index: 1001;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--bg-primary);
    box-shadow: var(--shadow-xl);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 40px;
    transition: var(--transition);
    z-index: 1000;
    border-left: 1px solid var(--border-color);
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-actions {
    margin-right: 40px;
  }
  
  .form-group-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }

  .logo-text {
    font-size: 1.15rem;
  }
  
  .logo-img {
    height: 38px;
    width: 38px;
  }
  
  #header {
    padding: 10px 0;
  }
  
  .nav-actions {
    margin-right: 20px;
    gap: 15px;
  }

  .hero-title {
    font-size: 2.3rem;
  }
  
  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }
  
  .tech-item {
    padding: 10px;
  }
  
  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-buttons .btn {
    width: 100%;
  }
  
  .section-title h2 {
    font-size: 2.1rem;
  }
  
  .filter-tags {
    justify-content: center;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}