:root {
  --teal: #1cbbb4;
  --teal-hover: #2acfc8;
  --dark: #232728;
  --dark-2: #2f3436;
  --dark-3: #3c4041;
  --text: #525556;
  --muted: #929697;
  --bg-soft: #f8f8f8;
  --heading: 'Exo 2', sans-serif;
  --body: 'Raleway', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--body);
  color: var(--text);
  font-size: 16px;
  line-height: 1.7;
  background: #fff;
}

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

h1, h2, h3, h4 {
  font-family: var(--heading);
  color: var(--dark);
  line-height: 1.25;
}

h1 { font-size: 2.6rem; font-weight: 800; }
h2 { font-size: 2rem; font-weight: 700; }
h3 { font-size: 1.4rem; font-weight: 600; }
h4 { font-size: 1.1rem; font-weight: 600; }
h2.light, h2.light + .sub { color: #fff; }

.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.center { text-align: center; }
.sub { color: var(--muted); margin: 0 0 40px; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 10px 26px;
  border-radius: 4px;
  font-family: var(--heading);
  font-weight: 600;
  text-decoration: none;
  transition: background .2s, color .2s, border-color .2s;
  border: 2px solid transparent;
}
.btn-primary { background: var(--teal); color: #fff; }
.btn-primary:hover { background: var(--teal-hover); }
.btn-ghost { border-color: rgba(255,255,255,.6); color: #fff; }
.btn-ghost:hover { border-color: #fff; }
.btn-ghost-dark { border-color: var(--teal); color: var(--teal); }
.btn-ghost-dark:hover { background: var(--teal); color: #fff; }
.btn-lg { padding: 14px 36px; font-size: 1.05rem; }

/* Header */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(35, 39, 40, .97);
  box-shadow: 0 1px 0 rgba(255,255,255,.06);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand {
  display: flex; align-items: center; gap: 10px;
  color: #fff; text-decoration: none;
  font-family: var(--heading); font-weight: 700; font-size: 1.3rem;
}
.brand-mark { width: 28px; height: 28px; color: #fff; }
.site-nav { display: flex; align-items: center; gap: 26px; }
.site-nav > a { color: rgba(255,255,255,.85); text-decoration: none; font-size: .95rem; }
.site-nav > a:hover { color: var(--teal); }
.site-nav .btn { font-size: .9rem; padding: 8px 20px; }
.nav-toggle, .nav-burger { display: none; }

/* Banner / hero */
.banner-section {
  background: var(--dark) url("https://www.gemvision.io/wp-content/themes/burotijs/images/banner-bg.png") no-repeat top right;
  background-size: cover;
  padding: 150px 0 80px;
  color: #fff;
  overflow: hidden;
}
.banner-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.banner-copy h1 { color: #fff; margin-bottom: 32px; max-width: 480px; }
.banner-media { position: relative; }
.banner-screen {
  position: relative;
  width: 100%;
  aspect-ratio: 602 / 368;
  border-radius: 6px;
  overflow: hidden;
  background: #000;
  box-shadow: 0 30px 60px rgba(0,0,0,.45);
  transform: perspective(900px) rotateY(-4deg);
}
.banner-screen video { width: 100%; height: 100%; object-fit: cover; }
.banner-support {
  display: inline-block;
  margin-top: 16px;
  color: rgba(255,255,255,.7);
  font-size: .9rem;
  text-decoration: none;
}
.banner-support:hover { color: var(--teal); }

/* Logos */
.logo-section { background: #fff; padding: 40px 0; border-bottom: 1px solid var(--bg-soft); }
.logo-track {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 36px;
}
.logo-track span {
  font-family: var(--heading);
  font-weight: 700;
  color: #b9bcbf;
  letter-spacing: .04em;
  text-transform: uppercase;
  font-size: .85rem;
  white-space: nowrap;
}

/* Intro */
.intro-section { background: var(--bg-soft); padding: 90px 0; text-align: center; }
.intro-section h2 { max-width: 767px; margin: 0 auto; }

/* Industries */
.industry-section { padding: 90px 0; }
.industry-section h3 { text-align: center; margin-bottom: 40px; }
.industry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}
.industry-card {
  position: relative;
  display: block;
  background: var(--bg-soft);
  padding: 36px 28px 28px;
  border-radius: 6px;
  text-decoration: none;
  transition: transform .2s, box-shadow .2s, background .2s;
}
.industry-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(35,39,40,.12);
  background: #fff;
}
.industry-card h2 { font-size: 1.5rem; margin-bottom: 10px; }
.industry-card p { font-size: .95rem; }
.card-arrow {
  position: absolute;
  right: 24px; bottom: 24px;
  color: var(--teal);
  font-size: 1.4rem;
  transition: transform .2s;
}
.industry-card:hover .card-arrow { transform: translateX(6px); }

/* Dark sections */
.dark-section { background: var(--dark); padding: 90px 0; color: #d6d8d9; }
.dark-section h3 { color: #fff; margin-bottom: 14px; }
.dark-section .btn-primary { margin-top: 24px; }
.feature-grid, .service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 48px 64px;
}
.service { text-align: center; }
.service img { width: 72px; height: 72px; margin: 0 auto 20px; filter: invert(72%) sepia(58%) saturate(500%) hue-rotate(126deg); }
.service p, .feature p { font-size: .95rem; color: #b9bcbf; }

/* Cases */
.case-section { background: var(--bg-soft); padding: 90px 0; }
.case-section h3 { text-align: center; }
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.case-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 260px;
  padding: 28px;
  border-radius: 6px;
  overflow: hidden;
  text-decoration: none;
  background: linear-gradient(135deg, var(--dark-2), var(--dark-3));
  transition: transform .2s, box-shadow .2s;
}
.case-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(28,187,180,.55), rgba(35,39,40,.2));
  opacity: .6;
  transition: opacity .2s;
}
.case-card:hover { transform: translateY(-4px); box-shadow: 0 16px 32px rgba(35,39,40,.2); }
.case-card:hover::after { opacity: .35; }
.case-card > * { position: relative; z-index: 1; }
.case-tag {
  font-family: var(--heading);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 8px;
}
.case-card h4 { color: #fff; font-size: 1.3rem; }
.case-1 { background: linear-gradient(135deg, #b04a17, #6e2d0d); }
.case-2 { background: linear-gradient(135deg, #14808c, #0b4a52); }
.case-3 { background: linear-gradient(135deg, #5b2d8f, #2f1650); }
.case-4 { background: linear-gradient(135deg, #1c6ba0, #0d3a58); }

/* Stats */
.common-section { padding: 100px 0; text-align: center; }
.common-section h2 { margin-bottom: 8px; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}
.stat-number {
  display: block;
  font-family: var(--heading);
  font-weight: 800;
  font-size: 3.6rem;
  color: var(--teal);
  line-height: 1.1;
}
.stat h4 { color: var(--muted); font-weight: 400; max-width: 220px; margin: 0 auto; }

/* News */
.news-section { background: #fff; padding: 90px 0; }
.news-section h3 { margin-bottom: 40px; }
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}
.news-card {
  display: block;
  background: var(--bg-soft);
  padding: 28px 24px;
  border-radius: 6px;
  text-decoration: none;
  transition: transform .2s, box-shadow .2s;
}
.news-card:hover { transform: translateY(-4px); box-shadow: 0 16px 32px rgba(35,39,40,.12); }
.news-meta {
  display: block;
  font-size: .8rem;
  color: var(--muted);
  margin-bottom: 12px;
}
.news-meta em { font-style: normal; color: var(--teal); margin-right: 8px; }
.news-card h4 { color: var(--dark); }

/* Trial */
.trial-section { text-align: center; }
.trial-section .sub { color: #b9bcbf; margin-bottom: 28px; }

/* Footer */
.site-footer { background: var(--dark-2); color: #b9bcbf; padding: 70px 0 0; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 50px;
}
.footer-brand { margin-bottom: 12px; }
.footer-tagline { font-size: .95rem; }
.site-footer h3 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 16px;
}
.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { color: #b9bcbf; text-decoration: none; font-size: .92rem; }
.site-footer a:hover { color: var(--teal); }
.cert-title { margin-top: 24px; }
.certs { font-size: .9rem; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 20px;
  padding-bottom: 20px;
  border-top: 1px solid rgba(255,255,255,.08);
  font-size: .85rem;
}
.footer-bottom nav { display: flex; gap: 20px; }

/* Responsive */
@media (max-width: 900px) {
  .banner-inner, .industry-grid, .stats-grid, .news-grid { grid-template-columns: 1fr; }
  .feature-grid, .service-grid, .case-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .banner-section { padding-top: 120px; }
  h1 { font-size: 2rem; }

  .nav-burger {
    display: block;
    width: 30px; height: 22px;
    position: relative;
    cursor: pointer;
  }
  .nav-burger span, .nav-burger::before, .nav-burger::after {
    content: "";
    position: absolute;
    left: 0; right: 0;
    height: 2px;
    background: #fff;
    transition: transform .2s, opacity .2s;
  }
  .nav-burger::before { top: 0; }
  .nav-burger span { top: 10px; }
  .nav-burger::after { top: 20px; }
  .nav-toggle:checked + .nav-burger span { opacity: 0; }
  .nav-toggle:checked + .nav-burger::before { transform: translateY(10px) rotate(45deg); }
  .nav-toggle:checked + .nav-burger::after { transform: translateY(-10px) rotate(-45deg); }

  .site-nav {
    display: none;
    position: absolute;
    top: 72px; left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    background: var(--dark);
    padding: 24px;
    gap: 16px;
    box-shadow: 0 20px 30px rgba(0,0,0,.3);
  }
  .nav-toggle:checked ~ .site-nav { display: flex; }
}