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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: #1a1a2e;
  line-height: 1.6;
}

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

:root {
  --orange: #ff6b00;
  --orange-dark: #e05e00;
  --orange-light: #fff3eb;
  --blue: #1e3a5f;
  --blue-dark: #152d4a;
  --blue-light: #e8f0fe;
}

/* ===== Navbar ===== */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(10px);
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-img {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  object-fit: cover;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--blue);
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: #555;
  font-weight: 500;
  font-size: 0.88rem;
  transition: color 0.2s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--orange);
  transition: width 0.2s;
}

.nav-links a:hover { color: var(--orange); }
.nav-links a:hover::after { width: 100%; }

.nav-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--blue);
  font-weight: 700;
  font-size: 0.9rem;
  white-space: nowrap;
  padding: 8px 18px;
  border: 2px solid var(--orange);
  border-radius: 50px;
  transition: all 0.2s;
}

.nav-phone i { color: var(--orange); }

.nav-phone:hover {
  background: var(--orange);
  color: #fff;
}

.nav-phone:hover i { color: #fff; }

.hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  color: var(--blue);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-slider {
  position: absolute;
  inset: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
}

.hero-slide.active {
  opacity: 1;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(30, 58, 95, 0.85) 0%, rgba(21, 45, 74, 0.8) 50%, rgba(15, 38, 64, 0.85) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 860px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 107, 0, 0.15);
  color: var(--orange);
  padding: 8px 22px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 28px;
  border: 1px solid rgba(255, 107, 0, 0.3);
  backdrop-filter: blur(4px);
}

.hero-badge i { font-size: 0.75rem; }

.hero h1 {
  font-size: 3.4rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.12;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.hero .highlight { color: var(--orange); }

.hero-subtitle {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 36px;
  line-height: 1.7;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.hero-trust {
  display: flex;
  gap: 28px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-trust span {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  font-weight: 500;
}

.hero-trust i {
  color: var(--orange);
  margin-right: 6px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 50px;
  transition: all 0.3s;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.btn-lg { padding: 16px 40px; font-size: 1.1rem; }

.btn-primary {
  background: var(--orange);
  color: #fff;
}

.btn-primary:hover {
  background: var(--orange-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 107, 0, 0.35);
}

.btn-secondary {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
  border-color: var(--orange);
  color: var(--orange);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: #25D366;
  color: #fff;
}

.btn-whatsapp:hover {
  background: #1da851;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35);
}

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

/* ===== Sections ===== */
.section { padding: 100px 0; }
.section-dark { background: var(--blue-light); }
.section-blue { background: var(--blue); }

.section-orange {
  background: linear-gradient(135deg, var(--orange) 0%, #e85d00 100%);
}

.section-title {
  font-size: 2.4rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 14px;
  color: var(--blue);
  letter-spacing: -0.5px;
}

.section-title.light { color: #fff; }

.section-desc {
  text-align: center;
  color: #666;
  font-size: 1.05rem;
  max-width: 640px;
  margin: 0 auto 56px;
  line-height: 1.7;
}

.section-desc.light { color: rgba(255, 255, 255, 0.85); }

/* ===== Services ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: #fff;
  padding: 36px 28px;
  border-radius: 16px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s, box-shadow 0.3s;
  border: 1px solid #f0f0f0;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
}

.service-icon {
  font-size: 2.2rem;
  margin-bottom: 18px;
  color: var(--orange);
}

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--blue);
}

.service-card p {
  color: #666;
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ===== Project Gallery Grid ===== */
.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  grid-auto-flow: dense;
}

.project-card {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 3 / 2;
}

.project-card.card-tall {
  aspect-ratio: auto;
  grid-row: span 2;
}

.project-card.card-wide {
  grid-column: span 2;
  aspect-ratio: 21 / 9;
}

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

.project-card:hover img {
  transform: scale(1.08);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent 30%, rgba(0, 0, 0, 0.88));
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px 22px;
  color: #fff;
  transition: background 0.3s;
}

.project-card:hover .project-overlay {
  background: linear-gradient(transparent 10%, rgba(0, 0, 0, 0.95));
}

.project-badges {
  display: flex;
  gap: 6px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.badge {
  display: inline-block;
  background: var(--orange);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 50px;
  letter-spacing: 0.3px;
}

.project-overlay h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 2px;
  line-height: 1.2;
}

.project-location {
  font-size: 0.8rem;
  opacity: 0.8;
  margin-bottom: 6px;
}

.project-location i {
  color: var(--orange);
}

.project-features {
  font-size: 0.85rem;
  color: var(--orange);
  margin-bottom: 4px;
  display: flex;
  gap: 8px;
}

.project-desc {
  font-size: 0.78rem;
  opacity: 0.85;
  line-height: 1.4;
  margin-bottom: 8px;
}

.project-price {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--orange);
  display: block;
  margin-bottom: 4px;
}

.project-status {
  display: inline-block;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(4px);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ===== Stats ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 20px;
}

.stat { text-align: center; }

.stat-number {
  display: block;
  font-size: 3.2rem;
  font-weight: 800;
  color: var(--orange);
  line-height: 1.1;
}

.stat-label {
  display: block;
  font-size: 1rem;
  color: #666;
  margin-top: 8px;
  font-weight: 500;
}

/* ===== Collaboration ===== */
.collab-card {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  align-items: center;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 48px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.collab-logo {
  display: flex;
  justify-content: center;
  align-items: center;
}

.collab-logo img {
  max-width: 200px;
  height: auto;
  border-radius: 12px;
  background: #fff;
  padding: 16px;
}

.collab-content h3 {
  font-size: 1.8rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 4px;
}

.collab-tagline {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 16px;
  font-style: italic;
}

.collab-content p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

.collab-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.collab-stat {
  text-align: center;
  background: rgba(255, 255, 255, 0.15);
  padding: 14px 8px;
  border-radius: 12px;
}

.collab-stat span {
  display: block;
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
}

.collab-stat small {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
}

.collab-content .btn-primary {
  background: #fff;
  color: var(--orange);
}

.collab-content .btn-primary:hover {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

/* ===== Blog ===== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.blog-card {
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  transition: transform 0.3s;
  border: 1px solid #f0f0f0;
}

.blog-card:hover { transform: translateY(-6px); }

.blog-img {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: rgba(255, 255, 255, 0.3);
}

.blog-body { padding: 24px; }

.blog-tag {
  display: inline-block;
  background: var(--orange-light);
  color: var(--orange);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.blog-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 10px;
  line-height: 1.4;
}

.blog-body p {
  font-size: 0.88rem;
  color: #666;
  line-height: 1.6;
  margin-bottom: 16px;
}

.blog-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--orange);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: gap 0.2s;
}

.blog-link:hover { gap: 10px; }

/* ===== Contact ===== */
.contact-cta {
  text-align: center;
  margin-bottom: 48px;
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-form input,
.contact-form textarea {
  padding: 14px 18px;
  border: 1.5px solid #e0e0e0;
  border-radius: 12px;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s;
  background: #fafafa;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--orange);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.1);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-top: 8px;
}

.info-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.info-label {
  font-weight: 700;
  color: var(--blue);
  font-size: 0.9rem;
}

.info-label i {
  color: var(--orange);
  width: 20px;
}

.info-item span:last-child {
  color: #555;
  font-size: 1.05rem;
}

.phone-link {
  color: var(--orange);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.15rem;
}

.phone-link:hover { text-decoration: underline; }

/* ===== WhatsApp Float ===== */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  background: #25D366;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: all 0.3s;
  text-decoration: none;
  animation: pulse 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.5);
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 28px rgba(37, 211, 102, 0.7); }
}

/* ===== Footer ===== */
.footer {
  background: var(--blue-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-col h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 18px;
}

.footer-col h4 i {
  color: var(--orange);
  margin-right: 8px;
}

.footer-col p {
  font-size: 0.88rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

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

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  transition: all 0.2s;
  margin-bottom: 0;
}

.footer-social a:hover {
  background: var(--orange);
  color: #fff;
}

.footer-col a {
  display: block;
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  font-size: 0.88rem;
  margin-bottom: 10px;
  transition: color 0.2s;
}

.footer-col a i { width: 20px; margin-right: 6px; }
.footer-col a:hover { color: var(--orange); }

.footer-col span {
  display: block;
  font-size: 0.88rem;
  margin-bottom: 10px;
}

.footer-col span i {
  width: 20px;
  margin-right: 6px;
  color: var(--orange);
}

.footer-bottom {
  text-align: center;
  padding: 24px 0;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a {
  color: var(--orange);
  text-decoration: none;
}

/* ===== Responsive ===== */
@media (max-width: 992px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .collab-card { grid-template-columns: 1fr; text-align: center; }
  .collab-stats { grid-template-columns: repeat(2, 1fr); }
  .project-grid { grid-template-columns: repeat(2, 1fr); }
  .project-card.card-wide { grid-column: span 2; }
  .project-card.card-tall { grid-row: span 1; }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 20px 24px;
    gap: 14px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  }

  .nav-links.active { display: flex; }
  .nav-phone { display: none; }
  .hamburger { display: block; }

  .hero h1 { font-size: 2rem; }
  .hero-subtitle { font-size: 1rem; }

  .hero-trust { gap: 16px; }
  .hero-trust span { font-size: 0.8rem; }

  .section-title { font-size: 1.8rem; }
  .section { padding: 64px 0; }
  .services-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; gap: 28px; }
  .blog-grid { grid-template-columns: 1fr; }

  .collab-card { padding: 28px 20px; }
  .collab-logo img { max-width: 140px; }
  .collab-content h3 { font-size: 1.4rem; }
  .collab-stats { grid-template-columns: repeat(2, 1fr); }

  .project-grid { grid-template-columns: 1fr; }
  .project-card.card-wide { grid-column: span 1; aspect-ratio: 3 / 2; }

  .contact-wrapper { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .whatsapp-float { width: 48px; height: 48px; font-size: 1.3rem; bottom: 16px; right: 16px; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.7rem; }
  .section-title { font-size: 1.5rem; }
  .btn-lg { padding: 14px 28px; font-size: 1rem; }
}