/* ===== CSS Variables ===== */
:root {
  --primary: #0A3B4F;
  --primary-dark: #072A38;
  --secondary: #E9C46A;
  --accent: #F4A261;
  --light: #FFFFFF;
  --dark: #1E1E24;
  --gray: #6c757d;
  --light-bg: #f8f9fa;
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Poppins', sans-serif;
  --transition: all 0.3s ease;
  --shadow: 0 10px 30px rgba(0,0,0,0.08);
  --radius: 12px;
  --glass-bg: rgba(255,255,255,0.15);
  --glass-border: 1px solid rgba(255,255,255,0.25);
  --glass-blur: blur(12px);
}

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

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

body {
  font-family: var(--font-body);
  color: var(--dark);
  background: var(--light);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

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

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

/* ===== Animations ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

.fadeInUp {
  animation: fadeInUp 0.8s ease-out forwards;
  opacity: 0;
}

.fadeInLeft {
  animation: fadeInLeft 0.8s ease-out forwards;
  opacity: 0;
}

.fadeInRight {
  animation: fadeInRight 0.8s ease-out forwards;
  opacity: 0;
}

/* ===== Utility Classes ===== */
.glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(0,0,0,0.1);
}

.btn-primary,
.btn-secondary {
  display: inline-block;
  padding: 0.9rem 2.2rem;
  font-weight: 600;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
}

.btn-primary {
  background: var(--secondary);
  color: var(--primary);
}

.btn-primary:hover {
  background: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.15);
}

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

.btn-secondary:hover {
  background: var(--primary);
  color: var(--light);
  transform: translateY(-3px);
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
  opacity: 0;
}

.section-title h2 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  color: var(--primary);
}

.section-title .subtitle {
  font-size: 1.1rem;
  color: var(--gray);
  font-weight: 300;
}

.light-title h2,
.light-title .subtitle {
  color: var(--light);
}

/* ===== Header / Navigation ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 999;
  background: rgba(10, 59, 79, 0.85);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border-bottom: 1px solid rgba(255,255,255,0.15);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 5%;
  max-width: 1400px;
  margin: 0 auto;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--light);
  letter-spacing: 1px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-links a {
  color: var(--light);
  font-weight: 400;
  position: relative;
  padding: 0.3rem 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--secondary);
  transition: width 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a:focus::after {
  width: 100%;
}

.nav-phone {
  color: var(--light);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1rem;
}

.menu-toggle {
  display: none;
  font-size: 1.8rem;
  color: var(--light);
  cursor: pointer;
}

#menu-toggle-checkbox {
  display: none;
}

/* ===== Hero Section ===== */
.hero {
  position: relative;
  min-height: 100vh;
  background: url('https://images.unsplash.com/photo-1533105079780-92b9be482077?w=1600') center/cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--light);
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(10,59,79,0.8) 0%, rgba(0,0,0,0.6) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 2rem;
  opacity: 0;
}

.hero-content h1 {
  font-size: 3.5rem;
  margin-bottom: 1.2rem;
  animation: fadeInUp 1s ease-out 0.3s forwards;
  opacity: 0;
}

.hero-content p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  font-weight: 300;
  opacity: 0;
  animation: fadeInUp 1s ease-out 0.6s forwards;
}

.hero-content .btn-primary {
  opacity: 0;
  animation: fadeInUp 1s ease-out 0.9s forwards;
}

/* ===== About Section ===== */
.about {
  padding: 6rem 0;
  background: var(--light-bg);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-text p {
  margin-bottom: 1.5rem;
  color: var(--gray);
  line-height: 1.8;
}

.about-text strong {
  color: var(--primary);
}

.about-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform 0.3s ease;
}

.about-image img:hover {
  transform: scale(1.02);
}

/* ===== Services Section ===== */
.services {
  padding: 6rem 0;
  background: var(--primary);
  position: relative;
  z-index: 1;
}

.services::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('https://images.unsplash.com/photo-1507525428034-b723cf961d3e?w=800') center/cover no-repeat;
  opacity: 0.08;
  z-index: -1;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.service-card {
  padding: 2rem;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  color: var(--light);
  backdrop-filter: blur(10px);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 35px rgba(0,0,0,0.2);
}

.service-icon {
  font-size: 2.5rem;
  color: var(--secondary);
  margin-bottom: 1.2rem;
  animation: float 3s ease-in-out infinite;
}

.service-card h3 {
  font-size: 1.4rem;
  margin-bottom: 0.8rem;
}

.service-card p {
  font-weight: 300;
  opacity: 0.9;
}

/* ===== Testimonials Section ===== */
.testimonials {
  padding: 6rem 0;
  background: var(--light-bg);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.testimonial-card {
  padding: 2rem;
  background: var(--light);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  position: relative;
  transition: transform 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-5px);
}

.quote-icon {
  font-size: 1.8rem;
  color: var(--secondary);
  margin-bottom: 1rem;
}

.testimonial-card p {
  font-style: italic;
  color: var(--gray);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.client-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.avatar {
  width: 55px;
  height: 55px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--light);
  font-weight: 700;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.client-info h4 {
  font-size: 1rem;
  margin-bottom: 0.2rem;
}

.client-info span {
  font-size: 0.85rem;
  color: var(--gray);
}

/* ===== Contact Section ===== */
.contact {
  padding: 6rem 0 0;
  background: var(--primary-dark);
  color: var(--light);
  position: relative;
  z-index: 1;
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

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

.info-card {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 1.2rem 1.5rem;
  color: var(--light);
  transition: background 0.3s ease;
}

.info-card i {
  font-size: 1.8rem;
  color: var(--secondary);
  min-width: 40px;
  text-align: center;
}

.info-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.3rem;
}

.info-card p {
  opacity: 0.85;
  font-size: 0.95rem;
}

.glass-form {
  padding: 2rem;
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.glass-form h3 {
  text-align: center;
  margin-bottom: 0.5rem;
}

.glass-form input,
.glass-form textarea {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.3);
  padding: 0.8rem 1rem;
  border-radius: 8px;
  color: var(--light);
  font-family: var(--font-body);
  outline: none;
  transition: border-color 0.3s ease;
}

.glass-form input::placeholder,
.glass-form textarea::placeholder {
  color: rgba(255,255,255,0.6);
}

.glass-form input:focus,
.glass-form textarea:focus {
  border-color: var(--secondary);
}

.glass-form button {
  align-self: flex-start;
  margin-top: 0.5rem;
}

.map-container {
  margin-top: 3rem;
  border-radius: 12px 12px 0 0;
  overflow: hidden;
  line-height: 0;
}

.map-container iframe {
  width: 100%;
  height: 300px;
  border: none;
}

/* ===== Footer ===== */
.footer {
  background: var(--dark);
  color: var(--light);
  padding: 4rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-col h4 {
  margin-bottom: 1.2rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--secondary);
}

.footer-col p,
.footer-col li {
  opacity: 0.8;
  font-weight: 300;
  margin-bottom: 0.7rem;
  line-height: 1.5;
}

.footer-col ul {
  list-style: none;
}

.footer-col a:hover {
  color: var(--secondary);
  padding-left: 5px;
}

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

.social-links a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.social-links a:hover {
  background: var(--secondary);
  color: var(--dark);
  border-color: var(--secondary);
  transform: translateY(-3px);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.9rem;
  opacity: 0.7;
}

/* ===== Scroll to Top ===== */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--secondary);
  color: var(--primary);
  width: 45px;
  height: 45px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 99;
  font-size: 1.2rem;
}

.scroll-top.show,
.scroll-top:hover {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  background: var(--accent);
  transform: translateY(-3px);
}

/* ===== Grid Classes ===== */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 2rem; }

/* ===== Responsive Design ===== */
@media (max-width: 992px) {
  .grid-2, .grid-3, .contact-wrapper, .about-content {
    grid-template-columns: 1fr;
  }

  .grid-4 {
    grid-template-columns: 1fr 1fr;
  }

  .nav-links {
    gap: 1.2rem;
  }

  .hero-content h1 {
    font-size: 2.8rem;
  }
}

@media (max-width: 768px) {
  .navbar {
    flex-wrap: wrap;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    width: 100%;
    background: rgba(10, 59, 79, 0.98);
    backdrop-filter: blur(20px);
    position: absolute;
    top: 100%;
    left: 0;
    padding: 1.5rem 5%;
    gap: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.15);
    z-index: 10;
  }

  #menu-toggle-checkbox:checked ~ .nav-links {
    display: flex;
  }

  .menu-toggle {
    display: block;
  }

  .nav-phone {
    display: none;
  }

  .hero-content h1 {
    font-size: 2.2rem;
  }

  .hero-content p {
    font-size: 1rem;
  }

  .services-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .section-title h2 {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }

  .hero-content {
    padding: 1.5rem;
  }

  .hero-content h1 {
    font-size: 1.8rem;
  }

  .btn-primary,
  .btn-secondary {
    padding: 0.8rem 1.8rem;
    font-size: 0.85rem;
  }

  .glass-form button {
    width: 100%;
  }
}