/* ===== CSS VARIABLES ===== */
:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-card: #1a1a1a;
  --bg-card-hover: #222222;
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --text-muted: #666666;
  --accent: #e85d04;
  --accent-hover: #f77f00;
  --accent-glow: rgba(232, 93, 4, 0.3);
  --border: #2a2a2a;
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.3s ease;
  --font: 'Poppins', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  transition: background var(--transition), padding var(--transition), backdrop-filter var(--transition);
}

.navbar.scrolled {
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(20px);
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

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

.nav-logo {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 44px;
  width: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 32px;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition);
  position: relative;
}

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

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

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

.nav-cta {
  background: var(--accent);
  color: var(--text-primary) !important;
  padding: 8px 20px;
  border-radius: 50px;
  transition: background var(--transition), transform var(--transition);
}

.nav-cta::after {
  display: none;
}

.nav-cta:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
  border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: url('https://images.unsplash.com/photo-1536240478700-b869070f9279?w=1920&h=1080&fit=crop') center/cover no-repeat;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(10, 10, 10, 0.7) 0%,
    rgba(10, 10, 10, 0.5) 50%,
    rgba(10, 10, 10, 0.95) 100%
  );
}

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

.hero-title {
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.accent {
  color: var(--accent);
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--text-secondary);
  margin-bottom: 40px;
  font-weight: 300;
  letter-spacing: 2px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  animation: bounce 2s infinite;
}

.hero-scroll a {
  color: var(--text-secondary);
  transition: color var(--transition);
}

.hero-scroll a:hover {
  color: var(--accent);
}

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

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: 50px;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
}

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

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
  border-color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
}

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

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

.section-tag {
  display: inline-block;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 550px;
  margin: 0 auto;
}

/* ===== SERVICES ===== */
.services {
  background: var(--bg-secondary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: all var(--transition);
}

.service-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.service-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
  color: var(--accent);
}

.service-icon svg {
  width: 100%;
  height: 100%;
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ===== PORTFOLIO ===== */
.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 8px 20px;
  border-radius: 50px;
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--text-primary);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.portfolio-item {
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
}

.portfolio-item.hidden {
  display: none;
}

.portfolio-thumb {
  position: relative;
  padding-bottom: 75%;
  background-size: cover;
  background-position: center;
  border-radius: var(--radius);
  overflow: hidden;
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 10, 10, 0.9) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  opacity: 0;
  transition: opacity var(--transition);
}

.portfolio-thumb:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-cat {
  font-size: 0.75rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 600;
  margin-bottom: 4px;
}

.portfolio-overlay h4 {
  font-size: 1.05rem;
  font-weight: 600;
}

/* ===== GALLERY ===== */
.gallery {
  background: var(--bg-secondary);
}

.masonry-grid {
  columns: 3;
  column-gap: 20px;
}

.masonry-item {
  break-inside: avoid;
  margin-bottom: 20px;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  position: relative;
}

.masonry-item img {
  width: 100%;
  display: block;
  transition: transform 0.5s ease;
}

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

.masonry-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(232, 93, 4, 0);
  transition: background var(--transition);
  pointer-events: none;
}

.masonry-item:hover::after {
  background: rgba(232, 93, 4, 0.1);
}

/* ===== LIGHTBOX ===== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 85vh;
  border-radius: var(--radius-sm);
  object-fit: contain;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  background: none;
  border: none;
  color: white;
  font-size: 2rem;
  cursor: pointer;
  padding: 12px;
  transition: color var(--transition);
  z-index: 2001;
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  color: var(--accent);
}

.lightbox-close {
  top: 20px;
  right: 24px;
  font-size: 2.5rem;
}

.lightbox-prev {
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-next {
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
}

/* ===== TESTIMONIALS ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: all var(--transition);
  position: relative;
}

.testimonial-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.testimonial-quote {
  color: var(--accent);
  margin-bottom: 16px;
}

.testimonial-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  flex-shrink: 0;
}

.testimonial-author h4 {
  font-size: 0.95rem;
  font-weight: 600;
}

.testimonial-author span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== ABOUT ===== */
.about {
  background: var(--bg-secondary);
}

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

.about-image {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
}

.about-image img {
  border-radius: var(--radius);
  width: 100%;
}

.about-badge {
  position: absolute;
  bottom: 24px;
  right: 24px;
  background: var(--accent);
  padding: 16px 24px;
  border-radius: var(--radius-sm);
  text-align: center;
}

.badge-number {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1;
}

.badge-text {
  font-size: 0.75rem;
  font-weight: 500;
  opacity: 0.9;
}

.about-content .section-tag {
  display: block;
  text-align: left;
}

.about-content .section-title {
  text-align: left;
  margin-bottom: 20px;
}

.about-text {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 36px;
}

.about-stats {
  display: flex;
  gap: 40px;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ===== CONTACT ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 28px;
}

.contact-icon {
  width: 44px;
  height: 44px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent);
}

.contact-icon svg {
  width: 20px;
  height: 20px;
}

.contact-item h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.contact-item a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition);
}

.contact-item a:hover {
  color: var(--accent);
}

.contact-socials {
  display: flex;
  gap: 12px;
  margin-top: 12px;
}

.social-link {
  width: 44px;
  height: 44px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition);
}

.social-link svg {
  width: 20px;
  height: 20px;
}

.social-link:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--text-primary);
}

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

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 0.95rem;
  transition: border-color var(--transition);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

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

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 60px 0 0;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-logo {
  height: 40px;
  width: auto;
  margin-bottom: 16px;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  max-width: 300px;
  line-height: 1.7;
}

.footer-links h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-links a {
  display: block;
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 10px;
  transition: color var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ===== WHATSAPP BUTTON ===== */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: transform var(--transition), box-shadow var(--transition);
  animation: whatsappPulse 2s infinite;
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

@keyframes whatsappPulse {
  0% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6); }
  100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
}

/* ===== ANIMATIONS ===== */
.animate-fade-up {
  animation: fadeUp 1s ease forwards;
}

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

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-secondary);
    flex-direction: column;
    align-items: flex-start;
    padding: 80px 32px 32px;
    gap: 0;
    transition: right var(--transition);
    border-left: 1px solid var(--border);
  }

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

  .nav-menu li {
    width: 100%;
  }

  .nav-link {
    display: block;
    padding: 12px 0;
    font-size: 1rem;
    border-bottom: 1px solid var(--border);
  }

  .nav-link::after {
    display: none;
  }

  .nav-cta {
    margin-top: 12px;
    text-align: center;
  }

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

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

  .masonry-grid {
    columns: 2;
  }

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

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

  .about-content .section-tag,
  .about-content .section-title {
    text-align: center;
  }

  .about-text {
    text-align: center;
  }

  .about-stats {
    justify-content: center;
  }

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

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

  .footer-brand p {
    max-width: none;
  }

  .footer-logo {
    margin-left: auto;
    margin-right: auto;
  }

  .section {
    padding: 70px 0;
  }
}

@media (max-width: 480px) {
  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  .masonry-grid {
    columns: 1;
  }

  .portfolio-filters {
    gap: 8px;
  }

  .filter-btn {
    padding: 6px 14px;
    font-size: 0.8rem;
  }

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

  .btn {
    width: 100%;
    max-width: 280px;
  }

  .about-stats {
    gap: 24px;
  }

  .whatsapp-float {
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
  }

  .whatsapp-float svg {
    width: 24px;
    height: 24px;
  }
}