/* ===== DRH Technologies — Global Styles ===== */

:root {
  --navy: #0a1628;
  --navy-light: #0f2040;
  --blue: #1565c8;
  --blue-light: #1e88e5;
  --green: #6dbf2f;
  --green-light: #8fd44a;
  --accent: #6dbf2f;
  --accent-alt: #1e88e5;
  --text: #e8edf5;
  --text-muted: #8a9bb8;
  --white: #ffffff;
  --card-bg: #111e35;
  --border: rgba(255,255,255,0.08);
  --radius: 12px;
  --transition: 0.25s ease;
  --brand-gradient: linear-gradient(135deg, #1565c8, #6dbf2f);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--navy);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 { line-height: 1.2; font-weight: 700; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: 1.3rem; }
p { color: var(--text-muted); }
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--blue-light); }

/* ===== LAYOUT ===== */
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }

.section-header { text-align: center; margin-bottom: 56px; }
.section-header p { max-width: 600px; margin: 16px auto 0; font-size: 1.1rem; }

.label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

/* ===== NAVIGATION ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  background: rgba(10, 22, 40, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}

.nav-inner {
  max-width: 1140px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.nav-logo-icon {
  height: 44px;
  width: auto;
  display: block;
  flex-shrink: 0;
}

/* Hide text logo — image carries the brand */
.nav-logo-text { display: none; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  transition: all var(--transition);
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
  background: rgba(255,255,255,0.06);
}

.nav-cta {
  background: var(--blue) !important;
  color: var(--white) !important;
  padding: 8px 20px !important;
}

.nav-cta:hover { background: var(--blue-light) !important; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 72px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 60% 40%, rgba(21,101,200,0.2) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 80% 70%, rgba(109,191,47,0.1) 0%, transparent 60%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(109,191,47,0.1);
  border: 1px solid rgba(109,191,47,0.3);
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 28px;
  letter-spacing: 0.04em;
}

.hero-badge::before {
  content: '';
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 50%;
}

.hero h1 { margin-bottom: 24px; color: var(--white); }
.hero h1 span { color: var(--accent); }

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 40px;
  max-width: 580px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-stats {
  margin-top: 72px;
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}

.hero-stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--brand-gradient);
  color: white;
  box-shadow: 0 4px 24px rgba(21,101,200,0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(109,191,47,0.35);
  color: white;
}

.btn-secondary {
  background: rgba(255,255,255,0.06);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.1);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}

.btn-outline:hover {
  background: var(--accent);
  color: var(--navy);
}

/* ===== CARDS ===== */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: all var(--transition);
}

.card:hover {
  border-color: rgba(109,191,47,0.25);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.3);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.4rem;
}

.card-icon-blue { background: rgba(21,101,200,0.18); }
.card-icon-cyan { background: rgba(109,191,47,0.15); }
.card-icon-purple { background: rgba(21,101,200,0.12); }
.card-icon-green { background: rgba(109,191,47,0.15); }

.card h3 { color: var(--white); margin-bottom: 10px; }

/* ===== GRID ===== */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ===== PAGE HERO (inner pages) ===== */
.page-hero {
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 70% at 50% 0%, rgba(21,101,200,0.22) 0%, transparent 70%);
}

.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { color: var(--white); margin-bottom: 16px; }
.page-hero p { font-size: 1.15rem; max-width: 560px; margin: 0 auto; }

/* ===== SECTION ALT BG ===== */
.bg-alt { background: var(--navy-light); }

/* ===== SERVICEM8 PAGE ===== */
.sm8-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

.sm8-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: all var(--transition);
}

.sm8-card:hover {
  border-color: rgba(109,191,47,0.3);
  transform: translateY(-4px);
}

.sm8-card h3 { color: var(--white); margin-bottom: 10px; }

.addon-card {
  background: linear-gradient(135deg, rgba(21,101,200,0.15), rgba(109,191,47,0.08));
  border: 1px solid rgba(109,191,47,0.2);
  border-radius: var(--radius);
  padding: 40px;
  display: flex;
  align-items: flex-start;
  gap: 28px;
}

.addon-icon {
  width: 64px;
  height: 64px;
  background: var(--brand-gradient);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  flex-shrink: 0;
}

/* ===== CONTACT FORM ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
  align-items: start;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 32px;
}

.contact-info-icon {
  width: 44px;
  height: 44px;
  background: rgba(109,191,47,0.12);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-info-item h4 { color: var(--white); font-size: 0.9rem; margin-bottom: 4px; }
.contact-info-item p { font-size: 0.9rem; margin: 0; }

.form-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  background: rgba(109,191,47,0.04);
}

.form-group select option { background: var(--navy); }
.form-group textarea { resize: vertical; min-height: 130px; }

.form-success {
  display: none;
  text-align: center;
  padding: 32px;
  color: #00c87a;
}

.form-success h3 { color: var(--white); margin-bottom: 8px; }

/* ===== ABOUT PAGE ===== */
.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-visual {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.about-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(21,101,200,0.18) 0%, transparent 70%);
}

.about-visual-icon {
  font-size: 5rem;
  position: relative;
  z-index: 2;
}

.about-visual-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  margin-top: 16px;
  position: relative;
  z-index: 2;
}

.about-visual-sub {
  color: var(--accent);
  font-size: 0.9rem;
  position: relative;
  z-index: 2;
}

.cert-list { list-style: none; margin-top: 32px; }
.cert-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.cert-list li:last-child { border-bottom: none; }
.cert-check { color: var(--accent); font-size: 1rem; }

/* ===== FOOTER ===== */
.footer {
  background: #060f1e;
  border-top: 1px solid var(--border);
  padding: 56px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  font-size: 0.9rem;
  margin-top: 16px;
  max-width: 280px;
  line-height: 1.8;
}

.footer-heading {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--white);
  margin-bottom: 20px;
}

.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: var(--text-muted); font-size: 0.9rem; transition: color var(--transition); }
.footer-links a:hover { color: var(--accent); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p { font-size: 0.85rem; }

/* ===== PARTNER BADGE ===== */
.partner-banner {
  background: linear-gradient(135deg, rgba(21,101,200,0.14), rgba(109,191,47,0.08));
  border: 1px solid rgba(109,191,47,0.2);
  border-radius: var(--radius);
  padding: 32px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.partner-banner-text h3 { color: var(--white); margin-bottom: 6px; }

/* ===== ANIMATIONS ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.animate-in { animation: fadeUp 0.6s ease forwards; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .about-split { grid-template-columns: 1fr; }
  .sm8-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .addon-card { flex-direction: column; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: var(--navy);
    padding: 24px;
    border-bottom: 1px solid var(--border);
    gap: 4px;
  }
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .partner-banner { flex-direction: column; text-align: center; }
  .hero-stats { gap: 32px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}