:root {
  --bg: #07090c;
  --bg-alt: #0c1116;
  --surface: #11181f;
  --surface-2: #162029;
  --text: #e8f6fb;
  --muted: #9fb3bd;
  --accent: #4fd3f0;
  --accent-2: #0fb5d6;
  --accent-glow: rgba(79, 211, 240, 0.35);
  --border: rgba(79, 211, 240, 0.14);
  --radius: 14px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: 'Barlow Condensed', 'DM Sans', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.1;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

.container {
  width: min(1200px, 100% - 32px);
  margin-inline: auto;
}

/* Typography */
.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.section-title {
  font-size: clamp(2.2rem, 4.5vw, 3.2rem);
  font-weight: 800;
  margin-bottom: 1rem;
}
.section-title span,
.hero h1 span,
.work-inner h2 span,
.services-title span {
  color: var(--accent);
}
.section-intro {
  color: var(--muted);
  max-width: 640px;
  margin: 0 auto 3rem;
}
.center { text-align: center; }
.section { padding: 6rem 0; }
.section-alt { background: var(--bg-alt); }
.section-cta { margin-top: 3rem; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.85rem 1.8rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #04161c;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  border: 2px solid transparent;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s;
  cursor: pointer;
}
.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px var(--accent-glow);
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--accent);
}
.btn-outline:hover {
  background: var(--accent);
  color: #04161c;
}
.btn-small { padding: 0.6rem 1.2rem; font-size: 0.8rem; }

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding: 1.2rem 0;
  transition: background 0.4s var(--ease), padding 0.4s var(--ease), box-shadow 0.4s;
}
.site-header.scrolled {
  background: rgba(7, 9, 12, 0.85);
  backdrop-filter: blur(12px);
  padding: 0.6rem 0;
  box-shadow: 0 1px 0 var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.brand img {
  height: 56px;
  width: auto;
  border-radius: 8px;
  transition: height 0.4s var(--ease);
}
.site-header.scrolled .brand img { height: 44px; }

.main-nav {
  display: flex;
  gap: 2rem;
}
.main-nav a {
  position: relative;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.25rem 0;
}
.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.35s var(--ease);
}
.main-nav a:hover { color: var(--accent); }
.main-nav a:hover::after { width: 100%; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 36px;
  height: 36px;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--text);
  transition: transform 0.3s var(--ease), opacity 0.3s;
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* Hero slider */
.hero {
  position: relative;
  height: 100vh;
  min-height: 560px;
  overflow: hidden;
}
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s var(--ease);
  display: flex;
  align-items: center;
}
.hero-slide::before {
  content: '';
  position: absolute;
  inset: -5%;
  background: var(--img) center / cover no-repeat;
  transform: scale(1.12);
  transition: transform 7s linear;
  z-index: -2;
}
.hero-slide::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 9, 12, 0.92) 0%, rgba(7, 9, 12, 0.55) 55%, rgba(7, 9, 12, 0.25) 100%),
    linear-gradient(0deg, var(--bg) 0%, transparent 35%);
  z-index: -1;
}
.hero-slide.is-active { opacity: 1; z-index: 1; }
.hero-slide.is-active::before { transform: scale(1); }

.hero-content {
  max-width: 640px;
  padding-top: 4rem;
  margin-left: max(16px, calc((100vw - 1200px) / 2));
  padding-right: 16px;
}
.hero h1 {
  font-size: clamp(2.8rem, 6.5vw, 5rem);
  font-weight: 800;
  margin-bottom: 1.2rem;
}
.hero h1 span {
  font-family: 'Dancing Script', cursive;
  text-transform: none;
  font-size: 1.15em;
  font-weight: 700;
}
.lead {
  font-size: 1.1rem;
  color: var(--muted);
  margin-bottom: 2rem;
  max-width: 520px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; }

.hero-slide .hero-content > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.hero-slide.is-active .hero-content > * { opacity: 1; transform: none; }
.hero-slide.is-active .hero-content > *:nth-child(2) { transition-delay: 0.15s; }
.hero-slide.is-active .hero-content > *:nth-child(3) { transition-delay: 0.3s; }
.hero-slide.is-active .hero-content > *:nth-child(4) { transition-delay: 0.45s; }

.hero-dots {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.6rem;
  z-index: 5;
}
.hero-dots button {
  width: 36px;
  height: 4px;
  border: none;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: background 0.3s, width 0.3s;
}
.hero-dots button.is-active {
  background: var(--accent);
  width: 56px;
}

/* Services: full-bleed photo tiles, title and subtitle over a dark fade */
.services { padding-top: 5rem; }
.services-title {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 800;
  margin-bottom: 1.8rem;
}
.service-tiles {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
}
.service-tile {
  position: relative;
  height: 440px;
  overflow: hidden;
  background: var(--surface);
  isolation: isolate;
}
.service-tile img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
  transition: transform 0.9s var(--ease), filter 0.6s;
}
.service-tile::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 9, 12, 0) 35%, rgba(7, 9, 12, 0.92) 100%);
  z-index: -1;
  transition: background 0.5s;
}
.service-tile:hover img {
  transform: scale(1.08);
  filter: brightness(1.1);
}
.service-tile:hover::after {
  background: linear-gradient(180deg, rgba(7, 9, 12, 0.1) 20%, rgba(7, 9, 12, 0.95) 100%);
}
.tile-text {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 1.5rem;
}
.tile-text h3 {
  font-size: clamp(1.5rem, 2.2vw, 1.9rem);
  font-weight: 700;
  margin-bottom: 0.4rem;
  transition: color 0.3s;
}
.service-tile:hover .tile-text h3 { color: var(--accent); }
.tile-text p {
  font-size: 0.95rem;
  color: #d6e6ec;
}
.tile-text strong {
  color: var(--accent);
  white-space: nowrap;
}

.more-services {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.8rem;
  margin-top: 2rem;
}
.more-services li {
  padding: 0.6rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.9rem;
  color: var(--muted);
  transition: border-color 0.3s, color 0.3s;
}
.more-services li:hover {
  border-color: var(--accent);
  color: var(--text);
}
.more-services strong { color: var(--accent); font-weight: 500; }

/* Why choose us */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}
.why-item {
  padding: 2rem 1.5rem;
  border-left: 3px solid var(--accent);
  background: var(--surface);
  border-radius: 0 var(--radius) var(--radius) 0;
  transition: transform 0.4s var(--ease), background 0.4s;
}
.why-item:hover {
  transform: translateX(6px);
  background: var(--surface-2);
}
.why-num {
  display: block;
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 0.15em;
  margin-bottom: 0.8rem;
}
.why-item h3 { font-size: 1.4rem; margin-bottom: 0.5rem; }
.why-item p { color: var(--muted); font-size: 0.95rem; }

/* Reviews slider */
.reviews-wrap {
  position: relative;
  width: min(1200px, 100% - 32px);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.reviews-track {
  flex: 1;
  display: flex;
  gap: 1.2rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 0.5rem 0 1.5rem;
  scrollbar-width: none;
}
.reviews-track::-webkit-scrollbar { display: none; }
.review-card {
  flex: 0 0 min(340px, 82%);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  padding: 1.8rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform 0.35s var(--ease), border-color 0.35s, box-shadow 0.35s;
}
.review-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.45);
}
.stars {
  color: #f5c542;
  letter-spacing: 0.15em;
  font-size: 1rem;
}
.review-text {
  color: var(--muted);
  font-size: 0.95rem;
  flex: 1;
}
.review-meta {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
}
.review-meta strong {
  color: var(--text);
  font-weight: 700;
}
.review-meta span { color: var(--muted); }
.reviews-arrow {
  flex: 0 0 auto;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid var(--accent);
  background: var(--bg);
  color: var(--accent);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.3s, color 0.3s;
}
.reviews-arrow:hover { background: var(--accent); color: #04161c; }

/* Gallery */
.gallery-grid {
  columns: 3 280px;
  column-gap: 1rem;
}
.gallery-item {
  display: block;
  position: relative;
  break-inside: avoid;
  margin-bottom: 1rem;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: zoom-in;
}
.gallery-item img {
  width: 100%;
  height: auto;
  transition: transform 0.7s var(--ease), filter 0.5s;
}
.gallery-item::after {
  content: '+';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--text);
  background: linear-gradient(180deg, rgba(7, 9, 12, 0.1), rgba(7, 9, 12, 0.7));
  opacity: 0;
  transition: opacity 0.4s;
}
.gallery-item:hover img { transform: scale(1.06); filter: brightness(1.05) saturate(1.1); }
.gallery-item:hover::after { opacity: 1; }

/* Transformation banner */
.work-banner {
  position: relative;
  padding: 7rem 0;
  text-align: center;
  background-image: linear-gradient(rgba(7, 9, 12, 0.78), rgba(7, 9, 12, 0.92)), var(--img);
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}
.work-inner h2 {
  font-size: clamp(2.6rem, 6vw, 4rem);
  font-weight: 800;
  margin-bottom: 0.8rem;
}
.work-inner p { color: var(--muted); margin-bottom: 2rem; }

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.about-image {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}
.about-image img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  transition: transform 0.8s var(--ease);
}
.about-image:hover img { transform: scale(1.04); }
.about-text p {
  color: var(--muted);
  margin-bottom: 1rem;
}
.about-text .btn { margin-top: 1rem; }
.about-sub {
  font-size: 1.3rem;
  color: var(--accent);
  margin: 1.5rem 0 0.5rem;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.5rem;
}
.contact-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 2rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  transition: transform 0.35s var(--ease), border-color 0.35s, box-shadow 0.35s;
}
a.contact-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: 0 16px 36px var(--accent-glow);
}
.contact-label {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
}
.contact-card strong { font-size: 1.05rem; }

/* Footer */
.site-footer {
  padding: 3.5rem 0 2rem;
  border-top: 1px solid var(--border);
  background: var(--bg);
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}
.footer-logo { height: 80px; width: auto; border-radius: 10px; }
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
}
.footer-nav a { color: var(--muted); transition: color 0.3s; font-size: 0.9rem; }
.footer-nav a:hover { color: var(--accent); }
.copy { color: var(--muted); font-size: 0.8rem; }

/* Floating buttons */
.whatsapp-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 90;
  padding: 0.8rem 1.2rem;
  border-radius: 999px;
  background: #25d366;
  color: #04161c;
  font-weight: 700;
  font-size: 0.85rem;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  animation: pulse 2.4s infinite;
}
.whatsapp-float:hover { transform: translateY(-3px); }
@keyframes pulse {
  0%, 100% { box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 8px 36px rgba(37, 211, 102, 0.75); }
}

.back-to-top {
  position: fixed;
  right: 20px;
  bottom: 84px;
  z-index: 90;
  width: 44px;
  height: 44px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  background: var(--bg);
  color: var(--accent);
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.35s, transform 0.35s, visibility 0.35s, background 0.3s;
}
.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
}
.back-to-top:hover { background: var(--accent); color: #04161c; }

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(3, 5, 7, 0.94);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1rem;
}
.lightbox[hidden] { display: none; }
.lightbox img {
  max-width: 100%;
  max-height: 100%;
  border-radius: 10px;
  box-shadow: 0 0 60px rgba(79, 211, 240, 0.15);
  animation: zoomIn 0.4s var(--ease);
}
@keyframes zoomIn {
  from { opacity: 0; transform: scale(0.94); }
  to { opacity: 1; transform: none; }
}
.lightbox button {
  position: absolute;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  color: var(--text);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.3s, color 0.3s;
}
.lightbox button:hover { background: var(--accent); color: #04161c; }
.lb-close { top: 16px; right: 16px; }
.lb-prev { left: 16px; top: 50%; transform: translateY(-50%); }
.lb-next { right: 16px; top: 50%; transform: translateY(-50%); }

/* Responsive */
@media (max-width: 1024px) {
  .service-tiles { grid-template-columns: repeat(2, 1fr); }
  .service-tile { height: 380px; }
}

@media (max-width: 960px) {
  .nav-toggle { display: flex; }
  .header-cta { display: none; }
  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: min(320px, 80vw);
    background: var(--bg-alt);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    transform: translateX(100%);
    transition: transform 0.5s var(--ease);
    border-left: 1px solid var(--border);
  }
  .main-nav.is-open { transform: none; }
  .main-nav a { font-size: 1rem; }
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .about-image img { height: 380px; }
}

@media (max-width: 600px) {
  .section { padding: 4.5rem 0; }
  .services { padding-top: 4rem; }
  .service-tiles { grid-template-columns: 1fr; }
  .service-tile { height: 340px; }
  .brand img { height: 46px; }
  .site-header.scrolled .brand img { height: 40px; }
  .hero-content { padding-top: 5rem; }
  .gallery-grid { columns: 2 150px; }
  .hero-dots { left: 16px; transform: none; bottom: 6rem; }
  .reviews-arrow { width: 38px; height: 38px; font-size: 1.3rem; }
  .whatsapp-float { right: 14px; bottom: 14px; padding: 0.7rem 1rem; }
  .back-to-top { right: 14px; bottom: 74px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}