:root {
  --primary-blue: #0b2d66;
  --secondary-blue: #1e40af;
  --accent-orange: #f26822; /* Warm, emotional, trusting */
  --accent-orange-hover: #e05b1c;
  --text-dark: #1e293b;
  --text-light: #64748b;
  --bg-light: #f8fafc;
  --bg-white: #ffffff;
  --blue-light: #e0f2fe;
  
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

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

ul {
  list-style: none;
}

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

.text-center { text-align: center; }
.section-padding { padding: 5rem 0; }
.bg-white { background-color: var(--bg-white); }
.bg-light { background-color: var(--bg-light); }
.bg-blue { background-color: var(--primary-blue); color: white; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  font-family: var(--font-heading);
}

.btn-primary {
  background-color: var(--accent-orange);
  color: white;
  box-shadow: 0 4px 14px rgba(242, 104, 34, 0.4);
}

.btn-primary:hover {
  background-color: var(--accent-orange-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(242, 104, 34, 0.5);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid white;
  color: white;
}

.btn-outline:hover {
  background-color: white;
  color: var(--primary-blue);
}

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

.btn-outline-dark:hover {
  background-color: var(--primary-blue);
  color: white;
}

/* Header & Nav */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

header.scrolled {
  padding: 0.5rem 0;
  box-shadow: var(--shadow-md);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-blue);
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo span {
  color: var(--accent-orange);
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  font-weight: 500;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-orange);
  transition: var(--transition);
}

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

.nav-links a.active {
  color: var(--accent-orange);
}

.mobile-menu-btn {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--primary-blue);
}

/* Hero Section */
.hero {
  height: 100vh;
  min-height: 600px;
  background: linear-gradient(rgba(11, 45, 102, 0.7), rgba(11, 45, 102, 0.8)), url('https://images.unsplash.com/photo-1488521787991-ed7bbaae773c?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
  padding-top: 80px;
  position: relative;
}

.hero-content {
  max-width: 800px;
  z-index: 1;
  animation: fadeInDown 1s ease-out forwards;
  opacity: 0;
}

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

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  text-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  opacity: 0.9;
  text-shadow: 0 2px 5px rgba(0,0,0,0.3);
}

.hero-btns {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

/* Section Titles */
.section-title {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-title span {
  color: var(--accent-orange);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.9rem;
  display: block;
  margin-bottom: 0.5rem;
}

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

/* Focus Areas */
.focus-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.focus-card {
  background: var(--bg-white);
  padding: 2.5rem;
  border-radius: 20px;
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.focus-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 0;
  background: var(--primary-blue);
  transition: var(--transition);
  z-index: -1;
}

.focus-card:hover::before {
  height: 100%;
}

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

.focus-icon {
  font-size: 3rem;
  color: var(--accent-orange);
  margin-bottom: 1.5rem;
  transition: var(--transition);
}

.focus-card:hover .focus-icon {
  color: white;
}

.focus-card h3 {
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

.focus-card p {
  color: var(--text-light);
  transition: var(--transition);
}

.focus-card:hover p {
  color: rgba(255, 255, 255, 0.8);
}

/* Impact Section */
.impact-section {
  background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
  color: white;
  padding: 5rem 0;
  position: relative;
}

.impact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  text-align: center;
}

.impact-item h3 {
  font-size: 3.5rem;
  color: var(--accent-orange);
  margin-bottom: 0.5rem;
}

.impact-item p {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 500;
}

/* Projects Review */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--bg-white);
  border-radius: 15px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

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

.project-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.5s;
}

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

.project-img-wrapper {
  overflow: hidden;
  position: relative;
}

.badge {
  position: absolute;
  top: 15px;
  right: 15px;
  background: var(--accent-orange);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  z-index: 2;
}

.project-content {
  padding: 1.5rem;
}

.project-content h3 {
  color: var(--primary-blue);
  margin-bottom: 0.5rem;
}

.project-content p {
  color: var(--text-light);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.btn-link {
  color: var(--accent-orange);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.btn-link:hover {
  color: var(--primary-blue);
}

/* CTA Banner */
.cta-banner {
  background: url('https://images.unsplash.com/photo-1593113580326-92c2a03cf65a?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover fixed;
  padding: 6rem 0;
  text-align: center;
  color: white;
  position: relative;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(11, 45, 102, 0.8);
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.cta-btns {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

/* Footer */
footer {
  background: #06193b;
  color: #94a3b8;
  padding: 4rem 0 2rem;
}

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

.footer-col h3 {
  color: white;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
}

.footer-col.brand p {
  margin: 1rem 0;
}

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

.social-links a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.social-links a:hover {
  background: var(--accent-orange);
  transform: translateY(-3px);
}

.footer-col ul li {
  margin-bottom: 0.75rem;
}

.footer-col ul li a:hover {
  color: var(--accent-orange);
  padding-left: 5px;
}

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

/* Scroll to Top */
#scrollTop {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--primary-blue);
  color: white;
  width: 45px;
  height: 45px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 99;
  border: none;
  box-shadow: var(--shadow-md);
}

#scrollTop.visible {
  opacity: 1;
  visibility: visible;
}

#scrollTop:hover {
  background: var(--accent-orange);
  transform: translateY(-3px);
}

/* WhatsApp Float */
.whatsapp-float {
  position: fixed;
  bottom: 20px;
  left: 20px;
  background-color: #25d366;
  color: white;
  border-radius: 50px;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-lg);
  z-index: 100;
  font-weight: 600;
  transition: var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.05);
  box-shadow: 0 10px 20px rgba(37, 211, 102, 0.4);
}

/* Reveal Animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

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

/* Responsive */
@media (max-width: 768px) {
  .hero h1 { font-size: 2.5rem; }
  .hero p { font-size: 1rem; }
  .nav-links {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: white;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: 0.3s ease;
  }
  .nav-links.nav-active {
    left: 0;
  }
  .mobile-menu-btn { display: block; }
  .nav-links .btn { margin-top: 1rem; }
}

/* Filter buttons for projects/gallery */
.filter-container {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: transparent;
  border: 2px solid var(--primary-blue);
  color: var(--primary-blue);
  padding: 0.5rem 1.5rem;
  border-radius: 30px;
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 600;
  transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--primary-blue);
  color: white;
}

/* Form Styles */
.contact-form {
  background: white;
  padding: 3rem;
  border-radius: 20px;
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-control {
  width: 100%;
  padding: 1rem;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  font-family: var(--font-body);
  transition: var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(11, 45, 102, 0.1);
}

textarea.form-control {
  height: 150px;
  resize: vertical;
}

/* Gallery Grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.gallery-item {
  position: relative;
  border-radius: 15px;
  overflow: hidden;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform 0.5s;
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-overlay {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(11, 45, 102, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  opacity: 0;
  transition: var(--transition);
}

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

.gallery-overlay i {
  font-size: 2rem;
  transform: translateY(20px);
  transition: 0.3s;
}

.gallery-item:hover .gallery-overlay i {
  transform: translateY(0);
}

/* About Layout */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-img {
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  width: 100%;
}

@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 2rem; }
}

.value-list {
  margin-top: 2rem;
}

.value-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.value-icon {
  width: 50px;
  height: 50px;
  background: var(--blue-light);
  color: var(--primary-blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}