/* ============================================================
   DOUBLE O DIGITAL — Global Stylesheet
   Theme: Dark tech / industrial with green power accent
   Fonts: Rajdhani (display) + DM Sans (body)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@400;500;600;700&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&display=swap');

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

:root {
  --green:        #3ab54a;
  --green-dark:   #2a9138;
  --green-dim:    rgba(58,181,74,0.12);
  --green-glow:   rgba(58,181,74,0.25);
  --charcoal:     #1e1e1e;
  --charcoal-2:   #252525;
  --charcoal-3:   #2e2e2e;
  --charcoal-4:   #3a3a3a;
  --charcoal-5:   #4a4a4a;
  --mid:          #6b6b6b;
  --muted:        #9a9a9a;
  --light:        #d0d0d0;
  --off-white:    #f4f4f2;
  --white:        #ffffff;
  --border:       rgba(255,255,255,0.08);
  --border-light: rgba(255,255,255,0.14);
  --radius:       6px;
  --radius-lg:    14px;
  --font-display: 'Rajdhani', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --nav-h:        70px;
  --max-w:        1160px;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  background: var(--charcoal);
  color: var(--light);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--charcoal-2); }
::-webkit-scrollbar-thumb { background: var(--charcoal-5); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--green); }

/* ── Typography ── */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--white);
}

.eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.eyebrow::before {
  content: '';
  display: inline-block;
  width: 22px; height: 2px;
  background: var(--green);
  border-radius: 2px;
  flex-shrink: 0;
}

.green { color: var(--green); }
.muted { color: var(--muted); }

/* ── Layout ── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 100px 0;
}

.section-sm {
  padding: 60px 0;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 13px 28px;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--green);
  color: var(--charcoal);
  border-color: var(--green);
}

.btn-primary:hover {
  background: var(--green-dark);
  border-color: var(--green-dark);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px var(--green-glow);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: var(--border-light);
}

.btn-outline:hover {
  border-color: var(--green);
  color: var(--green);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--green);
  border-color: var(--green);
}

.btn-ghost:hover {
  background: var(--green-dim);
  transform: translateY(-1px);
}

/* ── NAV ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(30,30,30,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: background 0.3s;
}

.nav.scrolled {
  background: rgba(21,21,21,0.98);
  border-color: rgba(58,181,74,0.2);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
}

.nav-logo-icon {
  width: 40px; height: 40px;
  background: transparent;
  border: none;
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-logo-text {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.nav-logo-text span { color: var(--green); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-links a {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 8px 14px;
  border-radius: var(--radius);
  transition: color 0.2s, background 0.2s;
}

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

.nav-links a.active { color: var(--green); }

.nav-cta { flex-shrink: 0; }

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

.nav-burger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--light);
  border-radius: 2px;
  transition: all 0.25s;
}

.nav-mobile {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  background: var(--charcoal-2);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 2rem;
  z-index: 999;
  flex-direction: column;
  gap: 4px;
}

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

.nav-mobile a {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--light);
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s;
}

.nav-mobile a:last-child { border-bottom: none; }
.nav-mobile a:hover { color: var(--green); }

@media (max-width: 900px) {
  .nav-links, .nav-cta { display: none; }
  .nav-burger { display: flex; }
}

/* ── FOOTER ── */
.footer {
  background: var(--charcoal-2);
  border-top: 1px solid var(--border);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.footer-brand p {
  font-size: 14px;
  color: var(--muted);
  margin-top: 1rem;
  max-width: 280px;
  line-height: 1.7;
}

.footer-col h4 {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 1rem;
  font-weight: 600;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--light);
  padding: 4px 0;
  transition: color 0.2s;
}

.footer-col a:hover { color: var(--green); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--mid);
}

.footer-bottom span { color: var(--green); }

/* ── Cards ── */
.card {
  background: var(--charcoal-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: border-color 0.25s, transform 0.25s;
}

.card:hover {
  border-color: rgba(58,181,74,0.3);
  transform: translateY(-3px);
}

.card-icon {
  width: 48px; height: 48px;
  background: var(--green-dim);
  border: 1px solid rgba(58,181,74,0.3);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 20px;
}

/* ── Divider ── */
.divider {
  height: 1px;
  background: var(--border);
  margin: 0;
}

/* ── Tag / badge ── */
.tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 20px;
  background: var(--green-dim);
  color: var(--green);
  border: 1px solid rgba(58,181,74,0.25);
}

/* ── Grid helpers ── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 1.5rem; }

@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ── Page hero (inner pages) ── */
.page-hero {
  padding: 160px 0 80px;
  text-align: center;
  background: var(--charcoal-2);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -120px; left: 50%;
  transform: translateX(-50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(58,181,74,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.page-hero h1 { font-size: clamp(2.4rem, 5vw, 4rem); margin-bottom: 1rem; }
.page-hero p { font-size: 1.1rem; color: var(--muted); max-width: 560px; margin: 0 auto; }

/* ── Form fields (light version for contact/intake) ── */
.form-field { margin-bottom: 1.25rem; }

.form-field label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  background: var(--charcoal-4);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 11px 14px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--white);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  appearance: none;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px var(--green-dim);
}

.form-field textarea { resize: vertical; min-height: 120px; line-height: 1.6; }

/* ── Animations ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes pulse-ring {
  0%   { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.6); opacity: 0; }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Noise overlay (subtle texture) ── */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.022;
  pointer-events: none;
  z-index: 9999;
}

/* ── Utility ── */
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }