/* ===== CSS Variables ===== */
:root {
  --primary: #1a365d;
  --primary-dark: #0f2440;
  --primary-light: #2c5282;
  --primary-bg: #ebf4ff;
  --secondary: #0d9488;
  --accent: #d97706;
  --dark: #1a202c;
  --dark-2: #2d3748;
  --gray-900: #1a202c;
  --gray-700: #4a5568;
  --gray-600: #718096;
  --gray-500: #a0aec0;
  --gray-400: #cbd5e0;
  --gray-300: #e2e8f0;
  --gray-200: #edf2f7;
  --gray-100: #f7fafc;
  --gray-50: #fafcff;
  --white: #ffffff;
  --success: #38a169;
  --warning: #d69e2e;
  --font-en: 'Inter', sans-serif;
  --font-ar: 'Cairo', sans-serif;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -2px rgba(0,0,0,0.06);
  --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.06);
  --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.06);
  --shadow-xl: 0 25px 50px -12px rgba(0,0,0,0.15);
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  font-family: var(--font-en);
  color: var(--gray-700);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ===== RTL Language Toggle ===== */
html[dir="rtl"] body { font-family: var(--font-ar); }
html[dir="rtl"] .hero-title,
html[dir="rtl"] .section-title,
html[dir="rtl"] h2, html[dir="rtl"] h3, html[dir="rtl"] h4 { font-family: var(--font-ar); }

/* Language visibility */
.en-text { display: inline; }
.ar-text { display: none; }

html[dir="rtl"] .en-text { display: none; }
html[dir="rtl"] .ar-text { display: inline; }

/* Select options */
.en-option { display: block; }
.ar-option { display: none; }
html[dir="rtl"] .en-option { display: none; }
html[dir="rtl"] .ar-option { display: block; }

/* Placeholders */
.en-placeholder { display: none; }
.ar-placeholder { display: none; }
html[dir="rtl"] .en-placeholder { display: none; }
html[dir="rtl"] .ar-placeholder { display: block; }

/* ===== Utility ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-bg);
  color: var(--primary);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 16px;
  line-height: 1.2;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--gray-500);
  max-width: 600px;
  margin: 0 auto;
}

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

.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
  box-shadow: 0 4px 15px rgba(26, 54, 93, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(26, 54, 93, 0.4);
}

.btn-outline {
  border-color: var(--gray-300);
  color: var(--gray-700);
  background: var(--white);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-bg);
}

.btn-white {
  background: var(--white);
  color: var(--primary);
  box-shadow: var(--shadow-md);
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline-white {
  border-color: rgba(255,255,255,0.4);
  color: var(--white);
  background: rgba(255,255,255,0.1);
}

.btn-outline-white:hover {
  background: rgba(255,255,255,0.2);
  border-color: rgba(255,255,255,0.6);
}

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

/* ===== Navbar ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,0,0,0.05);
  transition: var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.1rem;
}

.logo-text {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--dark);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 8px;
}

.nav-link {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--gray-600);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
}

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

.nav-actions { display: flex; align-items: center; gap: 12px; }

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--gray-200);
  background: var(--white);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--gray-600);
  transition: var(--transition);
  font-family: inherit;
}

.lang-toggle:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-bg);
}

.lang-icon { font-size: 1rem; }

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border: none;
  background: none;
  cursor: pointer;
}

.mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: linear-gradient(135deg, #f8fbff 0%, #ebf4ff 50%, #f0fdfa 100%);
  overflow: hidden;
  padding-top: 72px;
}

.hero-bg { position: absolute; inset: 0; pointer-events: none; }

.hero-shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.5;
}

.shape-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(26,54,93,0.12), transparent 70%);
  top: -100px; right: -100px;
}

.shape-2 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(13,148,136,0.1), transparent 70%);
  bottom: -50px; left: -50px;
}

.shape-3 {
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(6,182,212,0.1), transparent 70%);
  top: 40%; left: 30%;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(26,54,93,0.08);
  color: var(--primary);
  padding: 8px 20px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 20px;
  border: 1px solid rgba(26,54,93,0.15);
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 900;
  color: var(--dark);
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--gray-500);
  margin-bottom: 32px;
  max-width: 520px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 40px;
}

.stat { text-align: center; }

.stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary);
  display: inline;
}

.stat-suffix {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--gray-500);
  font-weight: 500;
  margin-top: 4px;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 450px;
}

.hero-illustration {
  width: 300px;
  height: 300px;
  animation: float 6s ease-in-out infinite;
}

.hero-illustration svg {
  width: 100%;
  height: 100%;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

.hero-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--dark);
  animation: floatCard 4s ease-in-out infinite;
}

.hero-card i {
  font-size: 1.2rem;
}

.card-1 {
  top: 60px; right: 20px;
  color: var(--primary);
  animation-delay: 0s;
}

.card-2 {
  bottom: 100px; right: 0;
  color: var(--accent);
  animation-delay: 1s;
}

.card-3 {
  top: 50%; left: 10px;
  color: var(--secondary);
  animation-delay: 2s;
}

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

.hero-wave {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
}

.hero-wave svg { width: 100%; display: block; }

/* ===== About ===== */
.about {
  padding: 100px 0;
  background: var(--white);
}

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

.about-text {
  font-size: 1.05rem;
  color: var(--gray-500);
  margin: 20px 0 30px;
  line-height: 1.8;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
  color: var(--gray-700);
  font-size: 0.95rem;
}

.feature-icon { color: var(--success); font-size: 1.1rem; flex-shrink: 0; }

.about-card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.about-card {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 30px 20px;
  text-align: center;
  transition: var(--transition);
}

.about-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}

.about-card i {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 12px;
}

.about-card span {
  display: block;
  font-weight: 700;
  color: var(--dark);
  font-size: 1rem;
  line-height: 1.4;
}

.about-card small {
  color: var(--gray-500);
  font-weight: 500;
}

/* ===== Services ===== */
.services {
  padding: 100px 0;
  background: var(--gray-50);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.service-card.featured {
  border-color: var(--primary);
  background: linear-gradient(135deg, rgba(26,54,93,0.03), rgba(13,148,136,0.03));
}

.service-badge {
  position: absolute;
  top: -12px;
  left: 24px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
  padding: 4px 16px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
}

html[dir="rtl"] .service-badge { left: auto; right: 24px; }

.service-icon {
  width: 56px;
  height: 56px;
  background: var(--primary-bg);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--primary);
  margin-bottom: 20px;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
  transform: scale(1.1);
}

.service-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}

.service-desc {
  font-size: 0.95rem;
  color: var(--gray-500);
  margin-bottom: 20px;
  line-height: 1.6;
}

.service-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--gray-600);
}

.service-features i {
  color: var(--success);
  font-size: 0.8rem;
  flex-shrink: 0;
}

/* ===== Why Us ===== */
.why-us {
  padding: 100px 0;
  background: var(--white);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.why-card {
  padding: 36px 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  background: var(--white);
  transition: var(--transition);
  position: relative;
}

.why-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}

.why-number {
  font-size: 3rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary-bg), rgba(13,148,136,0.08));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
  line-height: 1;
}

.why-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}

.why-card p {
  font-size: 0.95rem;
  color: var(--gray-500);
  line-height: 1.6;
}

/* ===== CTA ===== */
.cta {
  padding: 80px 0;
}

.cta-card {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--radius-xl);
  padding: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  top: -100px;
  right: -50px;
}

.cta-card::after {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  background: rgba(255,255,255,0.05);
  border-radius: 50%;
  bottom: -80px;
  left: 20%;
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-content h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
}

.cta-content p {
  color: rgba(255,255,255,0.85);
  font-size: 1.1rem;
  margin-bottom: 28px;
  max-width: 600px;
}

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

.cta-visual {
  position: relative;
  z-index: 1;
  font-size: 5rem;
  color: rgba(255,255,255,0.2);
  animation: float 3s ease-in-out infinite;
}

/* ===== Contact ===== */
.contact {
  padding: 100px 0;
  background: var(--gray-50);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 40px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}

.contact-card:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-sm);
}

.contact-icon {
  width: 48px;
  height: 48px;
  background: var(--primary-bg);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-card h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
}

.contact-card p {
  font-size: 0.9rem;
  color: var(--gray-500);
}

.contact-socials {
  display: flex;
  gap: 12px;
  padding-top: 8px;
}

.social-link {
  width: 44px;
  height: 44px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-500);
  text-decoration: none;
  font-size: 1.1rem;
  transition: var(--transition);
}

.social-link:hover {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.contact-form {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 36px;
}

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

.form-group { display: flex; flex-direction: column; gap: 8px; }

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

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--dark);
  background: var(--gray-50);
  transition: var(--transition);
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(26,54,93,0.1);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-group select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236b7280' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

html[dir="rtl"] .form-group select {
  background-position: left 16px center;
  padding-right: 16px;
  padding-left: 40px;
}

/* ===== Footer ===== */
.footer {
  background: var(--dark);
  color: var(--gray-400);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .logo { margin-bottom: 16px; }
.footer-brand .logo-text { color: var(--white); }

.footer-desc {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer-socials {
  display: flex;
  gap: 12px;
}

.footer-socials a {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  text-decoration: none;
  transition: var(--transition);
}

.footer-socials a:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

.footer-links h4,
.footer-newsletter h4 {
  color: var(--white);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: var(--gray-400);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}

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

.footer-newsletter p {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 16px;
}

.newsletter-form {
  display: flex;
  gap: 0;
}

.newsletter-form input {
  flex: 1;
  padding: 12px 16px;
  border: 1.5px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.05);
  color: var(--white);
  font-size: 0.9rem;
  font-family: inherit;
  border-right: none;
}

html[dir="rtl"] .newsletter-form input {
  border-right: 1.5px solid rgba(255,255,255,0.15);
  border-left: none;
}

.newsletter-form input::placeholder { color: var(--gray-500); }
.newsletter-form input:focus { outline: none; border-color: var(--primary); }

.newsletter-form button {
  padding: 12px 20px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border: none;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--white);
  cursor: pointer;
  transition: var(--transition);
}

html[dir="rtl"] .newsletter-form button {
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.newsletter-form button:hover { opacity: 0.9; }

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 0.85rem;
}

/* ===== Back to Top ===== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: 0 4px 15px rgba(99,102,241,0.4);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
}

html[dir="rtl"] .back-to-top { right: auto; left: 30px; }

.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { transform: translateY(-4px); }

/* ===== Animations ===== */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-container { grid-template-columns: 1fr; text-align: center; }
  .hero-subtitle { margin: 0 auto 32px; }
  .hero-buttons { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { display: none; }
  .about-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-card { flex-direction: column; text-align: center; }
  .cta-buttons { justify-content: center; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .mobile-toggle { display: flex; }
  .nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 20px;
    box-shadow: var(--shadow-lg);
    border-top: 1px solid var(--gray-200);
  }
  .hero { min-height: auto; padding: 120px 0 80px; }
  .hero-title { font-size: 2rem; }
  .hero-stats { gap: 20px; }
  .stat-number { font-size: 1.5rem; }
  .services-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .about-features { grid-template-columns: 1fr; }
  .about-card-grid { grid-template-columns: 1fr 1fr; }
  .cta-card { padding: 40px 24px; }
  .contact-form { padding: 24px; }
}

@media (max-width: 480px) {
  .hero-buttons { flex-direction: column; align-items: center; }
  .hero-stats { flex-wrap: wrap; }
  .about-card-grid { grid-template-columns: 1fr; }
  .cta-buttons { flex-direction: column; align-items: center; }
}