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

:root {
  --primary: #e8a317;
  --primary-dark: #c98d14;
  --secondary: #1a1a2e;
  --dark: #0f0f1a;
  --light: #f5f5f5;
  --gray: #666;
  --white: #ffffff;
  --shadow: 0 10px 40px rgba(0,0,0,0.15);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Open Sans', sans-serif;
  color: #333;
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', sans-serif;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* NAVBAR */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 15px 0;
  transition: all 0.3s ease;
}

.navbar.scrolled {
  background: var(--dark);
  padding: 10px 0;
  box-shadow: 0 5px 30px rgba(0,0,0,0.3);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  text-decoration: none;
  display: flex;
  align-items: center;
}

.logo-img {
  height: 50px;
  width: auto;
  transition: height 0.3s ease;
}

.navbar.scrolled .logo-img {
  height: 40px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 35px;
}

.nav-link {
  color: var(--white);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: color 0.3s;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s;
}

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

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.5rem;
  cursor: pointer;
}

/* HERO */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--dark) 0%, var(--secondary) 50%, #16213e 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23e8a317" fill-opacity="0.05" d="M0,96L48,112C96,128,192,160,288,165.3C384,171,480,149,576,128C672,107,768,85,864,90.7C960,96,1056,128,1152,138.7C1248,149,1344,139,1392,133.3L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
  background-size: cover;
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 2;
  padding: 0 20px;
}

.hero-title {
  font-size: 4.5rem;
  font-weight: 900;
  color: var(--white);
  margin-bottom: 15px;
  letter-spacing: 3px;
  text-shadow: 3px 3px 6px rgba(0,0,0,0.3);
}

.hero-title span {
  color: var(--primary);
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.hero-desc {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.8);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 15px 40px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  font-family: 'Montserrat', sans-serif;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(232,163,23,0.4);
}

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

.btn-outline:hover {
  background: var(--white);
  color: var(--dark);
  transform: translateY(-3px);
}

.btn-full {
  width: 100%;
  text-align: center;
}

.hero-scroll {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.hero-scroll a {
  color: var(--primary);
  font-size: 1.5rem;
  animation: bounce 2s infinite;
  text-decoration: none;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-10px); }
  60% { transform: translateY(-5px); }
}

/* SECTIONS */
section {
  padding: 100px 0;
}

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

.section-tag {
  display: inline-block;
  background: var(--primary);
  color: var(--dark);
  padding: 5px 20px;
  border-radius: 25px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 15px;
  font-family: 'Montserrat', sans-serif;
}

.section-title {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--secondary);
  margin-bottom: 15px;
}

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

/* ABOUT */
.about {
  background: var(--light);
}

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

.about-text h3 {
  font-size: 1.8rem;
  color: var(--secondary);
  margin-bottom: 20px;
}

.about-text p {
  color: var(--gray);
  margin-bottom: 15px;
  line-height: 1.8;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  margin-top: 30px;
}

.feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: var(--secondary);
}

.feature i {
  color: var(--primary);
  font-size: 1.2rem;
}

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

.stat-box {
  background: var(--white);
  padding: 30px 20px;
  border-radius: 15px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform 0.3s;
}

.stat-box:hover {
  transform: translateY(-5px);
}

.stat-box i {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 10px;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--secondary);
  font-family: 'Montserrat', sans-serif;
}

.stat-label {
  color: var(--gray);
  font-size: 0.9rem;
  margin-top: 5px;
}

/* SERVICES */
.services {
  background: var(--white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px;
}

.service-card {
  background: var(--light);
  padding: 35px 25px;
  border-radius: 15px;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary);
  transform: scaleX(0);
  transition: transform 0.3s;
}

.service-card:hover::before {
  transform: scaleX(1);
}

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

.service-icon {
  width: 80px;
  height: 80px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.service-icon i {
  font-size: 2rem;
  color: var(--dark);
}

.service-card h3 {
  font-size: 1.2rem;
  color: var(--secondary);
  margin-bottom: 12px;
}

.service-card p {
  color: var(--gray);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* PROJECTS */
.projects {
  background: var(--light);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.project-card {
  background: var(--white);
  border-radius: 15px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.3s;
}

.project-card:hover {
  transform: translateY(-10px);
}

.project-image {
  height: 200px;
  background: linear-gradient(135deg, var(--secondary) 0%, var(--dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-image i {
  font-size: 4rem;
  color: var(--primary);
  opacity: 0.8;
}

.project-info {
  padding: 25px;
}

.project-info h3 {
  font-size: 1.2rem;
  color: var(--secondary);
  margin-bottom: 10px;
}

.project-info p {
  color: var(--gray);
  font-size: 0.9rem;
}

/* GALLERY */
.gallery {
  background: var(--white);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 15px;
}

.gallery-item {
  position: relative;
  border-radius: 15px;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 3/2;
}

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

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

.gallery-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(26, 26, 46, 0.8);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
  color: var(--white);
}

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

.gallery-overlay i {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 10px;
}

.gallery-overlay span {
  font-size: 1rem;
  font-weight: 600;
  font-family: 'Montserrat', sans-serif;
}

/* LIGHTBOX */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.95);
  z-index: 10001;
  display: none;
  align-items: center;
  justify-content: center;
}

.lightbox.active {
  display: flex;
}

.lightbox-content {
  max-width: 90%;
  max-height: 85vh;
  text-align: center;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 80vh;
  border-radius: 10px;
  box-shadow: 0 10px 50px rgba(0, 0, 0, 0.5);
}

.lightbox-caption {
  color: var(--white);
  margin-top: 15px;
  font-size: 1.1rem;
  font-weight: 600;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 30px;
  background: none;
  border: none;
  color: var(--white);
  font-size: 3rem;
  cursor: pointer;
  transition: color 0.3s;
  z-index: 10002;
}

.lightbox-close:hover {
  color: var(--primary);
}

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: var(--primary);
  border: none;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
  z-index: 10002;
}

.lightbox-prev {
  left: 20px;
}

.lightbox-next {
  right: 20px;
}

.lightbox-prev:hover,
.lightbox-next:hover {
  background: var(--primary-dark);
  transform: translateY(-50%) scale(1.1);
}

.lightbox-prev i,
.lightbox-next i {
  color: var(--dark);
  font-size: 1.2rem;
}

/* CONTACT */
.contact {
  background: var(--white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 50px;
}

.contact-item {
  display: flex;
  gap: 20px;
  margin-bottom: 30px;
}

.contact-icon {
  width: 60px;
  height: 60px;
  background: var(--primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon i {
  font-size: 1.3rem;
  color: var(--dark);
}

.contact-details h4 {
  font-size: 1rem;
  color: var(--secondary);
  margin-bottom: 5px;
}

.contact-details a,
.contact-details p {
  color: var(--gray);
  text-decoration: none;
  transition: color 0.3s;
}

.contact-details a:hover {
  color: var(--primary);
}

.contact-form {
  background: var(--light);
  padding: 40px;
  border-radius: 20px;
}

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

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 15px 20px;
  border: 2px solid #e0e0e0;
  border-radius: 10px;
  font-size: 1rem;
  font-family: 'Open Sans', sans-serif;
  margin-bottom: 20px;
  transition: border-color 0.3s;
  background: var(--white);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.contact-form textarea {
  resize: vertical;
}

/* FOOTER */
.footer {
  background: var(--dark);
  color: var(--white);
  padding: 60px 0 0;
}

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

.footer-brand h3 {
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-logo {
  height: 60px;
  width: auto;
  margin-bottom: 15px;
}

.footer-brand p {
  color: rgba(255,255,255,0.7);
  line-height: 1.8;
}

.footer-links h4,
.footer-contact h4 {
  font-size: 1.1rem;
  margin-bottom: 20px;
  color: var(--primary);
}

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

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  transition: color 0.3s;
}

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

.footer-contact p {
  color: rgba(255,255,255,0.7);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-contact a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  transition: color 0.3s;
}

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

.footer-contact i {
  color: var(--primary);
}

.footer-bottom {
  text-align: center;
  padding: 20px 0;
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
}

/* BACK TO TOP */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
  z-index: 999;
  box-shadow: 0 5px 20px rgba(232,163,23,0.4);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-5px);
  background: var(--primary-dark);
}

.back-to-top i {
  color: var(--dark);
  font-size: 1.2rem;
}

/* NOTIFICATION */
.notification {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: #28a745;
  color: white;
  padding: 15px 30px;
  border-radius: 10px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 5px 30px rgba(40,167,69,0.4);
  z-index: 10000;
  opacity: 0;
  transition: all 0.4s ease;
}

.notification.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    height: 100vh;
    background: var(--dark);
    flex-direction: column;
    padding: 80px 40px;
    gap: 25px;
    transition: right 0.3s ease;
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-toggle {
    display: block;
    z-index: 1001;
  }

  .hero-title {
    font-size: 2.8rem;
  }

  .hero-subtitle {
    font-size: 1.2rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-stats {
    grid-template-columns: 1fr 1fr;
  }

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

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

  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

  .form-row {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

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

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-stats {
    grid-template-columns: 1fr;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
}