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

:root {
  --orange: #e87722;
  --orange-dark: #c9601a;
  --dark: #1a1a1a;
  --dark2: #2b2b2b;
  --light: #f5f5f3;
  --text: #333;
  --text-light: #666;
  --white: #fff;
  --radius: 6px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', Arial, sans-serif;
  color: var(--text);
  line-height: 1.7;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--dark);
  box-shadow: 0 2px 8px rgba(0,0,0,.4);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 64px;
}

.logo {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: 1px;
}
.logo-gib { color: var(--orange); }
.logo-greb { color: var(--white); }

nav {
  display: flex;
  gap: 1.8rem;
}

nav a {
  color: #ccc;
  text-decoration: none;
  font-size: .95rem;
  font-weight: 500;
  transition: color .2s;
}
nav a:hover { color: var(--orange); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.6rem;
  cursor: pointer;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--dark) 0%, #2d2d2d 60%, #3a2a1a 100%);
  color: var(--white);
  padding: 7rem 1.5rem 6rem;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.2rem;
}

.hero h1 span {
  color: var(--orange);
}

.hero-sub {
  font-size: 1.15rem;
  color: #ccc;
  margin-bottom: 2.5rem;
}

.btn {
  display: inline-block;
  background: var(--orange);
  color: var(--white);
  padding: .85rem 2.2rem;
  border-radius: var(--radius);
  font-weight: 700;
  text-decoration: none;
  transition: background .2s, transform .15s;
}
.btn:hover {
  background: var(--orange-dark);
  transform: translateY(-2px);
}

/* Intro */
.intro {
  background: var(--orange);
  color: var(--white);
  padding: 2.5rem 1.5rem;
  text-align: center;
  font-size: 1.1rem;
  font-weight: 500;
}

/* Sections */
.section { padding: 5rem 1.5rem; }

.section-light { background: var(--light); }

.section-dark {
  background: var(--dark2);
  color: var(--white);
}

.section-dark h2 { color: var(--orange); }

.section h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  color: var(--dark);
}

.section-light h2 { color: var(--dark); }

.section p { margin-bottom: 1.5rem; max-width: 760px; }

/* Feature list */
.feature-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .8rem 2rem;
  margin-top: 1rem;
}

.feature-list li {
  padding-left: 1.4rem;
  position: relative;
  font-weight: 500;
}

.feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--orange);
  font-weight: 700;
}

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.card h3 {
  color: var(--orange);
  margin-bottom: .6rem;
  font-size: 1.1rem;
}

.card p { margin: 0; font-size: .95rem; color: #ccc; }

/* Region grid */
.region-grid {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  margin-top: 1.5rem;
}

.region {
  background: var(--orange);
  color: var(--white);
  padding: .5rem 1.2rem;
  border-radius: 2rem;
  font-weight: 600;
  font-size: .95rem;
}

/* Customer types */
.customer-types {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.2rem;
  margin-top: 2rem;
}

.customer-type {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 1.2rem;
  display: flex;
  align-items: center;
  gap: .8rem;
  font-weight: 500;
  font-size: .95rem;
}

.ct-icon { font-size: 1.5rem; }

/* Contact */
.section-contact {
  background: var(--dark);
  color: var(--white);
}

.section-contact h2 { color: var(--orange); }

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.contact-block h3 {
  color: var(--orange);
  margin-bottom: .8rem;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

address { font-style: normal; line-height: 1.9; }

.contact-block a {
  color: #ccc;
  text-decoration: none;
  transition: color .2s;
}
.contact-block a:hover { color: var(--orange); }

/* Footer */
footer {
  background: #111;
  color: #888;
  padding: 1.5rem;
  font-size: .9rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  color: #888;
  text-decoration: none;
  transition: color .2s;
}
.footer-links a:hover { color: var(--orange); }

/* Responsive */
@media (max-width: 768px) {
  nav { display: none; flex-direction: column; }
  nav.open {
    display: flex;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--dark);
    padding: 1rem 1.5rem 1.5rem;
    gap: 1rem;
  }
  .nav-toggle { display: block; }
  .footer-inner { flex-direction: column; text-align: center; }
}