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

:root {
  --primary-deep: #0A2540;
  --secondary-blue: #0F4C81;
  --accent-light: #1DA1F2;
  --bg-light: #F5F7FA;
  --text-dark: #1A1A1A;
  --text-light: #FFFFFF;
  --text-muted: #6B7280;
  
  --gradient-primary: linear-gradient(135deg, #0F4C81 0%, #1DA1F2 100%);
  --gradient-dark: linear-gradient(135deg, #0A2540 0%, #0F4C81 100%);
  --gradient-subtle: linear-gradient(180deg, #F5F7FA 0%, #FFFFFF 100%);
  
  --transition-fast: 0.2s ease;
  --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 20px rgba(10, 37, 64, 0.1);
  --shadow-lg: 0 20px 40px rgba(10, 37, 64, 0.15);
  --shadow-glow: 0 0 20px rgba(29, 161, 242, 0.4);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-family: 'Inter', sans-serif;
  color: var(--text-dark);
}

body {
  background-color: #FFFFFF;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(3rem, 6vw, 5rem);
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  margin-bottom: 1.5rem;
}

h3 {
  font-size: clamp(1.5rem, 2vw, 2rem);
}

p {
  line-height: 1.6;
  font-size: 1.125rem;
  color: var(--text-muted);
}

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

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-padding {
  padding: 8rem 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1.125rem;
  transition: var(--transition-normal);
  cursor: pointer;
  border: 2px solid transparent;
}

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

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.btn-secondary {
  background: transparent;
  color: var(--text-light);
  border-color: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--text-light);
  transform: translateY(-3px);
}

.btn-dark-outline {
  background: transparent;
  color: var(--primary-deep);
  border-color: var(--primary-deep);
}

.btn-dark-outline:hover {
  background: var(--primary-deep);
  color: var(--text-light);
  transform: translateY(-3px);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition-normal);
  padding: 1.5rem 0;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  padding: 1rem 0;
  box-shadow: var(--shadow-sm);
}

.navbar.scrolled .nav-link {
  color: var(--primary-deep);
}

.navbar.scrolled .logo {
  color: var(--primary-deep);
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-light);
  letter-spacing: -0.02em;
  transition: var(--transition-normal);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav-link {
  color: var(--text-light);
  font-weight: 500;
  font-size: 1rem;
  transition: var(--transition-normal);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition-normal);
}

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-light);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  overflow: hidden;
  background-color: var(--primary-deep);
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.hero-bg::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, rgba(10,37,64,0.95) 0%, rgba(10,37,64,0.7) 50%, rgba(10,37,64,0.2) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  color: var(--text-light);
}

.hero-content p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.5rem;
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.hero-btns {
  display: flex;
  gap: 1.5rem;
}

/* About Section */
.about-section {
  background: var(--bg-light);
  text-align: center;
}

.about-text {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 500;
  color: var(--primary-deep);
  line-height: 1.4;
  max-width: 1000px;
  margin: 0 auto;
}

/* Solutions Section */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2.5rem;
  margin-top: 4rem;
}

.solution-card {
  background: var(--text-light);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  cursor: pointer;
  position: relative;
}

.solution-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.solution-img {
  height: 250px;
  width: 100%;
  overflow: hidden;
}

.solution-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.solution-content {
  padding: 2.5rem;
}

.solution-content h3 {
  color: var(--primary-deep);
  margin-bottom: 1rem;
}

.card-arrow {
  position: absolute;
  bottom: 2.5rem;
  right: 2.5rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-deep);
  transition: var(--transition-normal);
}

.solution-card:hover .card-arrow {
  background: var(--gradient-primary);
  color: var(--text-light);
  transform: translateX(5px);
}

/* Why Choose Us */
.why-us {
  background: var(--primary-deep);
  color: var(--text-light);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-top: 4rem;
}

.why-item {
  background: rgba(255, 255, 255, 0.05);
  padding: 2.5rem;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition-normal);
}

.why-item:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-5px);
}

.why-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.why-item h4 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.why-item p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1rem;
}

/* Experience */
.experience {
  background: var(--bg-light);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: 250px;
  gap: 1.5rem;
  margin-top: 4rem;
}

.gallery-item {
  border-radius: 20px;
  overflow: hidden;
  position: relative;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-normal);
}

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

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,37,64,0.8), transparent);
  opacity: 0;
  transition: var(--transition-normal);
  display: flex;
  align-items: flex-end;
  padding: 2rem;
}

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

.gallery-overlay h4 {
  color: var(--text-light);
  font-size: 1.5rem;
}

.g-1 { grid-column: span 8; grid-row: span 2; }
.g-2 { grid-column: span 4; grid-row: span 1; }
.g-3 { grid-column: span 4; grid-row: span 1; }

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}

.pricing-card {
  background: var(--text-light);
  border-radius: 24px;
  padding: 3rem 2rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(10, 37, 64, 0.05);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.pricing-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-light);
}

.pricing-card.popular {
  background: var(--gradient-dark);
  color: var(--text-light);
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}

.pricing-card.popular:hover {
  transform: scale(1.05) translateY(-5px);
}

.pricing-header {
  text-align: center;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.pricing-card.popular .pricing-header {
  border-color: rgba(255, 255, 255, 0.1);
}

.pricing-title {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.pricing-price {
  font-size: 3rem;
  font-weight: 800;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.5rem;
}

.pricing-price span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
}

.pricing-card.popular .pricing-price span {
  color: rgba(255, 255, 255, 0.7);
}

.pricing-features {
  flex-grow: 1;
  margin-bottom: 2.5rem;
}

.pricing-features li {
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.pricing-features li i {
  color: var(--accent-light);
}

.pricing-card.popular p {
  color: rgba(255, 255, 255, 0.8);
}

/* CTA Section */
.cta-section {
  background: var(--gradient-primary);
  padding: 6rem 0;
  text-align: center;
  color: var(--text-light);
}

.cta-section h2 {
  margin-bottom: 2rem;
}

/* Footer */
footer {
  background: #051320;
  color: var(--text-light);
  padding: 6rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.6);
  margin-top: 1.5rem;
  margin-bottom: 2rem;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.social-link:hover {
  background: var(--accent-light);
  transform: translateY(-3px);
}

.footer-links h4 {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
}

.footer-links ul li {
  margin-bottom: 1rem;
}

.footer-links ul li a {
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition-fast);
}

.footer-links ul li a:hover {
  color: var(--accent-light);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.875rem;
}

/* WhatsApp Float */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  background: #25D366;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: var(--shadow-lg);
  z-index: 100;
  transition: var(--transition-normal);
}

.whatsapp-float:hover {
  transform: scale(1.1);
}

/* Animations */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Responsive */
@media (max-width: 1024px) {
  .g-1 { grid-column: span 12; }
  .g-2, .g-3 { grid-column: span 6; }
  .pricing-card.popular { transform: none; }
  .pricing-card.popular:hover { transform: translateY(-10px); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: #FFFFFF;
    flex-direction: column;
    padding: 2rem;
    box-shadow: var(--shadow-md);
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .navbar.scrolled .nav-links {
    background: rgba(255, 255, 255, 0.98);
  }

  .nav-link {
    color: var(--text-dark);
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .navbar.scrolled .mobile-menu-btn {
    color: var(--primary-deep);
  }
  
  .hero-content {
    text-align: center;
  }
  
  .hero-btns {
    justify-content: center;
    flex-direction: column;
  }
  
  .footer-grid { grid-template-columns: 1fr; }
  
  .section-padding { padding: 5rem 0; }
}