:root {
  --black: #070604;
  --brown: #2a1b12;
  --deep-brown: #160d08;
  --gold: #c7a35a;
  --gold-soft: #e3c477;
  --ivory: #f8f1e7;
  --white: #ffffff;
  --muted: #b8b0a4;
  --line: rgba(199, 163, 90, 0.24);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, sans-serif;
  color: var(--brown);
  background: var(--ivory);
  line-height: 1.6;
  overflow-x: hidden;
}

img {
  width: 100%;
  display: block;
  object-fit: cover;
}

button {
  font-family: inherit;
}

.container {
  width: min(1160px, 92%);
  margin: auto;
}

/* HEADER */

.site-header {
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  background: rgba(7, 6, 4, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
  box-shadow: 0 10px 35px rgba(0, 0, 0, 0.35);
}

.nav {
  height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ROUND LOGOS */

.brand {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
}

.brand img,
.hero-logo,
.contact-box img {
  width: 100%;
  height: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 50% !important;
  object-fit: cover;
  object-position: center;
  display: block;
  background: var(--black);
  border: 2px solid rgba(199, 163, 90, 0.75);
  box-shadow:
    0 0 0 5px rgba(199, 163, 90, 0.08),
    0 14px 40px rgba(0, 0, 0, 0.5);
}

.hero-logo {
  width: 178px !important;
  height: 178px !important;
  margin: 0 auto 28px;
}

.contact-box img {
  width: 150px !important;
  height: 150px !important;
  margin: 0 auto 26px;
}

/* NAV */

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav-links a {
  color: var(--ivory);
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: 0.3s ease;
}

.nav-links a:hover {
  color: var(--gold-soft);
}

.nav-cta {
  border: 1px solid var(--gold);
  padding: 11px 22px;
  border-radius: 40px;
  color: var(--gold-soft) !important;
}

.nav-cta:hover {
  background: var(--gold);
  color: var(--black) !important;
}

.nav-toggle {
  display: none;
  background: none;
  color: var(--gold);
  border: none;
  font-size: 30px;
  cursor: pointer;
}

/* HERO */

.hero {
  min-height: 100vh;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  text-align: center;
  color: var(--white);
  padding-top: 100px;
  background: var(--black);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(circle at center, rgba(199, 163, 90, 0.16), transparent 38%),
    linear-gradient(rgba(0, 0, 0, 0.28), rgba(0, 0, 0, 0.9));
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.05);
  animation: heroFade 40s infinite;
  filter: saturate(1.03) contrast(1.06);
  background-attachment: fixed;
}

.bg-1 { background-image: url("assets/hero-1.jpg"); animation-delay: 0s; }
.bg-2 { background-image: url("assets/hero-2.jpg"); animation-delay: 5s; }
.bg-3 { background-image: url("assets/hero-3.jpg"); animation-delay: 10s; }
.bg-4 { background-image: url("assets/hero-4.jpg"); animation-delay: 15s; }
.bg-5 { background-image: url("assets/hero-5.jpg"); animation-delay: 20s; }
.bg-6 { background-image: url("assets/hero-6.jpg"); animation-delay: 25s; }
.bg-7 { background-image: url("assets/hero-7.jpg"); animation-delay: 30s; }
.bg-8 { background-image: url("assets/hero-8.jpg"); animation-delay: 35s; }

@keyframes heroFade {
  0% { opacity: 0; transform: scale(1.05); }
  5% { opacity: 1; }
  18% { opacity: 1; }
  23% { opacity: 0; transform: scale(1.13); }
  100% { opacity: 0; }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1000px;
  transform: translateY(-18px);
}

.hero-kicker {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--gold-soft);
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 12px;
  font-weight: 900;
}

.hero h1 {
  font-size: clamp(44px, 7vw, 86px);
  line-height: 1.02;
  color: var(--gold-soft);
  margin: 0 auto 24px;
  max-width: 920px;
  letter-spacing: -1px;
  text-shadow: 0 14px 45px rgba(0, 0, 0, 0.6);
}

.hero p {
  max-width: 760px;
  margin: auto;
  font-size: 20px;
  color: var(--ivory);
}

.hero-buttons {
  margin-top: 42px;
  display: flex;
  gap: 18px;
  justify-content: center;
  flex-wrap: wrap;
}

/* BUTTONS */

.btn {
  display: inline-block;
  padding: 15px 32px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.5px;
  transition: 0.3s ease;
}

.btn.primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-soft));
  color: var(--black);
  box-shadow: 0 15px 35px rgba(199, 163, 90, 0.25);
}

.btn.secondary {
  border: 1px solid var(--gold);
  color: var(--gold-soft);
  background: rgba(255, 255, 255, 0.04);
}

.btn.primary:hover,
.btn.secondary:hover {
  transform: translateY(-4px);
}

/* SECTIONS */

.section {
  padding: 105px 0;
}

.section-head {
  max-width: 900px;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.image-link,
.feature-image {
  display: block;
  width: 100%;
  border: none;
  background: none;
  cursor: zoom-in;
  border-radius: 30px;
  overflow: hidden;
  padding: 0;
}

.feature-image {
  position: relative;
  height: 360px;
  box-shadow: 0 24px 60px rgba(42, 27, 18, 0.18);
  border: 1px solid rgba(199, 163, 90, 0.25);
}

.feature-image img {
  width: 100%;
  height: 100%;
  border-radius: 30px;
  transition: transform 0.7s ease, filter 0.7s ease;
}

.feature-image:hover img {
  transform: scale(1.08);
  filter: saturate(1.08) contrast(1.08);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 4px;
  font-size: 12px;
  color: var(--gold);
  font-weight: 900;
}

h2 {
  font-size: clamp(34px, 4vw, 56px);
  line-height: 1.08;
  margin: 14px 0 24px;
  letter-spacing: -0.8px;
}

h3 {
  font-size: 22px;
  margin: 0 0 12px;
}

p {
  font-size: 16px;
}

.dark {
  background:
    radial-gradient(circle at top left, rgba(199, 163, 90, 0.12), transparent 34%),
    var(--black);
  color: var(--ivory);
}

.gold {
  color: var(--gold-soft);
}

/* FIXED 4 CARD LAYOUT */

.cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
  margin-top: 34px;
  align-items: stretch;
}

.card {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #191512, #0d0b09);
  padding: 28px;
  border-radius: 26px;
  border: 1px solid rgba(199, 163, 90, 0.22);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.24);
  transition:
    transform 0.35s ease,
    border-color 0.35s ease,
    box-shadow 0.35s ease;
  min-height: 295px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.card h3 {
  font-size: 20px;
  line-height: 1.35;
  margin-bottom: 16px;
}

.card p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.card:hover {
  transform: translateY(-8px);
  border-color: rgba(199, 163, 90, 0.5);
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.34);
}

.card-no {
  display: inline-block;
  color: rgba(227, 196, 119, 0.95);
  font-weight: 900;
  letter-spacing: 2px;
  font-size: 12px;
  margin-bottom: 18px;
}

/* IMAGE GALLERY */

.section-gallery {
  display: grid !important;
  grid-template-columns: repeat(4, 1fr) !important;
  gap: 18px !important;
  margin-top: 34px !important;
}

.gallery-item {
  position: relative;
  display: block;
  width: 100%;
  height: 155px;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(199, 163, 90, 0.28);
  background: var(--black);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.75s ease;
}

.gallery-item:hover img {
  transform: scale(1.12);
}

/* FEATURES */

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 44px;
}

.features div {
  background: linear-gradient(180deg, #191512, #0d0b09);
  padding: 30px;
  border-radius: 26px;
  border: 1px solid rgba(199, 163, 90, 0.22);
}

/* CONTACT */

.contact {
  background:
    radial-gradient(circle at center, rgba(199, 163, 90, 0.12), transparent 34%),
    var(--deep-brown);
  color: var(--ivory);
  text-align: center;
}

.contact-box {
  max-width: 760px;
}

/* FOOTER */

footer {
  background: var(--black);
  color: var(--muted);
  padding: 30px 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

/* WHATSAPP */

.whatsapp-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: linear-gradient(135deg, #25d366, #1ebe5d);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  box-shadow:
    0 18px 45px rgba(37, 211, 102, 0.45),
    0 0 0 10px rgba(37, 211, 102, 0.08);
}

.whatsapp-float svg {
  width: 34px;
  height: 34px;
}

/* RESPONSIVE */

@media (max-width: 1100px) {
  .cards {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 900px) {

  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 76px;
    right: 0;
    width: 100%;
    background: rgba(7, 6, 4, 0.97);
    flex-direction: column;
    padding: 32px;
    display: none;
  }

  .nav-links.open {
    display: flex;
  }

  .two-col,
  .features {
    grid-template-columns: 1fr;
  }

  .cards {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

  .feature-image {
    height: 280px;
  }

  .section {
    padding: 78px 0;
  }

  .hero-logo {
    width: 145px !important;
    height: 145px !important;
  }

  .hero h1 {
    font-size: 44px;
  }

  .hero p {
    font-size: 18px;
  }

  .section-gallery {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 14px !important;
  }

  .gallery-item {
    height: 125px !important;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 640px) {

  .cards,
  .section-gallery {
    grid-template-columns: 1fr !important;
  }

  .card {
    min-height: auto;
  }

  .hero-bg {
    background-attachment: scroll;
  }

  .whatsapp-float {
    width: 60px;
    height: 60px;
    right: 18px;
    bottom: 18px;
  }

  .whatsapp-float svg {
    width: 30px;
    height: 30px;
  }
}

/* SENTEMA FINAL FIX - EXPORT CARDS + BBC-LIKE SCROLL IMAGE REVEAL */

#export.export,
section#export.export {
  background:
    linear-gradient(rgba(7, 6, 4, 0.82), rgba(7, 6, 4, 0.92)),
    url("assets/origin-5.jpg") center/cover no-repeat !important;
  color: var(--ivory) !important;
}

#export .eyebrow,
#export .gold {
  color: var(--gold-soft) !important;
}

#export h2 {
  color: var(--ivory) !important;
}

#export .section-intro {
  color: #d8d0c7 !important;
  max-width: 760px;
}

#export .features {
  display: grid !important;
  grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
  gap: 24px !important;
  margin-top: 44px !important;
}

#export .features > .export-card {
  background: linear-gradient(180deg, #191512, #0d0b09) !important;
  padding: 32px !important;
  border-radius: 26px !important;
  border: 1px solid rgba(199, 163, 90, 0.28) !important;
  box-shadow: 0 22px 55px rgba(0, 0, 0, 0.32) !important;
  color: #ffffff !important;
  min-height: 245px;
}

#export .features > .export-card .card-no {
  color: #e3c477 !important;
  opacity: 1 !important;
}

#export .features > .export-card .export-title,
#export .features > .export-card h3 {
  color: #ffffff !important;
  opacity: 1 !important;
  font-size: 20px;
  line-height: 1.35;
  margin: 18px 0 14px;
}

#export .features > .export-card .export-text,
#export .features > .export-card p {
  color: #f3f3f3 !important;
  opacity: 1 !important;
  line-height: 1.8;
  font-size: 15px;
}

.reveal {
  opacity: 0;
  transform: translate3d(0, 85px, 0) scale(0.96);
  filter: blur(10px);
  transition:
    opacity 1.05s ease,
    transform 1.05s cubic-bezier(0.16, 1, 0.3, 1),
    filter 1.05s ease;
  will-change: opacity, transform, filter;
}

.reveal.reveal-left { transform: translate3d(-70px, 45px, 0) scale(0.97); }
.reveal.reveal-right { transform: translate3d(70px, 45px, 0) scale(0.97); }
.reveal.reveal-up { transform: translate3d(0, 85px, 0) scale(0.96); }

.reveal.visible {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
  filter: blur(0);
}

.feature-image.reveal,
.section-gallery.reveal .gallery-item {
  clip-path: inset(18% 0 18% 0 round 22px);
}

.feature-image.reveal.visible,
.section-gallery.reveal.visible .gallery-item {
  clip-path: inset(0 0 0 0 round 22px);
  transition:
    opacity 1.05s ease,
    transform 1.05s cubic-bezier(0.16, 1, 0.3, 1),
    filter 1.05s ease,
    clip-path 1.05s cubic-bezier(0.16, 1, 0.3, 1);
}

.cards.reveal .card,
.features.reveal .export-card,
.section-gallery.reveal .gallery-item {
  opacity: 0;
  transform: translate3d(0, 65px, 0) scale(0.95);
  filter: blur(8px);
}

.cards.reveal.visible .card,
.features.reveal.visible .export-card,
.section-gallery.reveal.visible .gallery-item {
  animation: sentemaRevealUp 0.95s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.cards.reveal.visible .card:nth-child(1),
.features.reveal.visible .export-card:nth-child(1),
.section-gallery.reveal.visible .gallery-item:nth-child(1) { animation-delay: 0.05s; }
.cards.reveal.visible .card:nth-child(2),
.features.reveal.visible .export-card:nth-child(2),
.section-gallery.reveal.visible .gallery-item:nth-child(2) { animation-delay: 0.16s; }
.cards.reveal.visible .card:nth-child(3),
.features.reveal.visible .export-card:nth-child(3),
.section-gallery.reveal.visible .gallery-item:nth-child(3) { animation-delay: 0.27s; }
.cards.reveal.visible .card:nth-child(4),
.section-gallery.reveal.visible .gallery-item:nth-child(4) { animation-delay: 0.38s; }
.section-gallery.reveal.visible .gallery-item:nth-child(5) { animation-delay: 0.49s; }
.section-gallery.reveal.visible .gallery-item:nth-child(6) { animation-delay: 0.60s; }
.section-gallery.reveal.visible .gallery-item:nth-child(7) { animation-delay: 0.71s; }

@keyframes sentemaRevealUp {
  from { opacity: 0; transform: translate3d(0, 70px, 0) scale(0.94); filter: blur(9px); }
  to { opacity: 1; transform: translate3d(0, 0, 0) scale(1); filter: blur(0); }
}

.gallery-item,
.feature-image,
.export-card {
  transition:
    transform 0.55s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.55s cubic-bezier(0.16, 1, 0.3, 1),
    border-color 0.35s ease;
}

.gallery-item:hover,
.feature-image:hover,
.export-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 34px 75px rgba(0, 0, 0, 0.42) !important;
}

.gallery-item img,
.feature-image img {
  transition:
    transform 0.75s cubic-bezier(0.16, 1, 0.3, 1),
    filter 0.45s ease,
    opacity 0.45s ease;
}

.gallery-item:hover img,
.feature-image:hover img {
  transform: scale(1.12);
  filter: saturate(1.08) contrast(1.08);
}

@media (max-width: 900px) {
  #export .features { grid-template-columns: 1fr !important; }
  .reveal,
  .reveal.reveal-left,
  .reveal.reveal-right,
  .reveal.reveal-up { transform: translate3d(0, 55px, 0) scale(0.97); filter: blur(7px); }
  .reveal.visible { transform: translate3d(0, 0, 0) scale(1); filter: blur(0); }
}

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .cards.reveal .card,
  .features.reveal .export-card,
  .section-gallery.reveal .gallery-item,
  .feature-image.reveal {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
    animation: none !important;
    transition: none !important;
    clip-path: none !important;
  }
}