/* =============================================
   DEVRUBBLE — Shared Design System
   ============================================= */

/* ---- GOOGLE FONT is loaded in each HTML <head> ---- */

:root {
  --gold: #F0BC2A;
  --gold-dim: rgba(240, 188, 42, 0.12);
  --gold-border: rgba(240, 188, 42, 0.25);
  --bg-deep: #080D18;
  --bg-mid: #0C1422;
  --bg-card: #111E33;
  --border: #1A2840;
}

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

body {
  background-color: var(--bg-deep);
  color: #ffffff;
  font-family: 'Inter', sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* ---- HERO GRID ---- */
.hero-grid-bg {
  background-image:
    linear-gradient(rgba(240,188,42,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(240,188,42,0.035) 1px, transparent 1px);
  background-size: 56px 56px;
}

/* ---- GOLD GRADIENT TEXT ---- */
.text-gold {
  background: linear-gradient(130deg, #F5CE63 0%, #F0BC2A 55%, #C99B15 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---- GOLD DIVIDER LINE ---- */
.gold-line {
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(240,188,42,0.35) 30%, rgba(240,188,42,0.35) 70%, transparent 100%);
}

/* ---- CARD HOVER ---- */
.card-hover {
  border: 1px solid var(--border);
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
.card-hover:hover {
  border-color: rgba(240,188,42,0.4);
  transform: translateY(-3px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.35), 0 0 24px rgba(240,188,42,0.06);
}

/* ---- SCROLL REVEAL ---- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* ---- NAVBAR ---- */
#nav {
  background: transparent;
  transition: background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
  border-bottom: 1px solid transparent;
}
#nav.scrolled {
  background: rgba(8,13,24,0.94);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom-color: var(--border);
}
#nav a.nav-active {
  color: var(--gold) !important;
}

/* ---- MOBILE MENU ---- */
#mob-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
  background: rgba(8,13,24,0.98);
  backdrop-filter: blur(18px);
}
#mob-menu.open { max-height: 420px; }

/* ---- HAMBURGER ---- */
.hb span {
  display: block;
  width: 22px;
  height: 2px;
  background: white;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.hb.x span:nth-child(1) { transform: rotate(45deg) translate(4px, 5px); }
.hb.x span:nth-child(2) { opacity: 0; }
.hb.x span:nth-child(3) { transform: rotate(-45deg) translate(4px, -5px); }

/* ---- BUTTONS ---- */
.btn-gold {
  background-color: var(--gold);
  color: #080D18;
  font-weight: 700;
  transition: filter 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.btn-gold:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(240,188,42,0.3);
}
.btn-ghost {
  border: 1px solid var(--border);
  color: #94A3B8;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.btn-ghost:hover {
  border-color: rgba(240,188,42,0.4);
  color: #ffffff;
}

/* ---- ICON BOX ---- */
.icon-box {
  background-color: var(--gold-dim);
  border-radius: 10px;
}

/* ---- BADGE ---- */
.badge-gold {
  background: var(--gold-dim);
  border: 1px solid var(--gold-border);
}

/* ---- STATS GLOW ---- */
.stat-num { text-shadow: 0 0 40px rgba(240,188,42,0.25); }

/* ---- TESTIMONIAL CARD ---- */
.t-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: border-color 0.25s ease;
}
.t-card:hover { border-color: rgba(240,188,42,0.3); }

/* ---- CASE STUDY ACCENT BAR ---- */
.cs-bar { background: linear-gradient(90deg, var(--gold), #C99B15); }

/* ---- PROCESS STEP NUMBER ---- */
.step-num {
  font-size: 4.5rem;
  line-height: 1;
  font-weight: 900;
  color: rgba(240,188,42,0.08);
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
}

/* ---- CTA RADIAL ---- */
.cta-glow { background: radial-gradient(ellipse 90% 70% at 50% 50%, rgba(240,188,42,0.07) 0%, transparent 70%); }

/* ---- FOOTER SOCIAL ---- */
.soc-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: #64748B;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.soc-btn:hover { color: #ffffff; border-color: rgba(240,188,42,0.35); }

/* ---- SCROLL INDICATOR ---- */
.scroll-ind { animation: sbounce 2s infinite; }
@keyframes sbounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* ---- ACCORDION (Contact FAQ) ---- */
.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
.faq-body.open { max-height: 400px; }
.faq-chevron { transition: transform 0.3s ease; }
.faq-chevron.open { transform: rotate(180deg); }

/* ---- FORM INPUTS ---- */
.form-input {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: #ffffff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  width: 100%;
  border-radius: 0.75rem;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  font-family: 'Inter', sans-serif;
  outline: none;
}
.form-input::placeholder { color: #4B5563; }
.form-input:focus {
  border-color: rgba(240,188,42,0.4);
  box-shadow: 0 0 0 3px rgba(240,188,42,0.06);
}
.form-input option { background: var(--bg-card); }
.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: #94A3B8;
  margin-bottom: 0.375rem;
  letter-spacing: 0.01em;
}

/* ---- TECH STACK CHIP ---- */
.tech-chip {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: #94A3B8;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.375rem 0.75rem;
  border-radius: 9999px;
  display: inline-block;
}

/* ---- SERVICE BREADCRUMB ---- */
.breadcrumb-sep { color: #374151; }

/* ---- VALUE PROP NUMBER ---- */
.vp-num {
  font-size: 3rem;
  font-weight: 900;
  color: rgba(240,188,42,0.07);
  line-height: 1;
}
