/* ========================
   DCC LAB GLOBAL STYLES
   Refined: Subtle Bronze / Gold / Brown
======================== */

:root {
  --bg-main: #0F0B08;
  --bg-secondary: #1A140F;
  --bg-card: #241C15;

  --gold-soft: #C9A24D;
  --bronze: #8C6239;

  --text-main: #F5F1EC;
  --text-muted: #B8AA9A;

  --border-subtle: #3A2C20;
}

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

body {
  font-family: 'Inter', 'Urbanist', sans-serif;
  background: var(--bg-main);
  color: var(--text-main);
  line-height: 1.65;
}

a {
  text-decoration: none;
  color: inherit;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

/* ========================
   HEADER
======================== */
.site-header {
  background: rgba(15,11,8,0.9);
  backdrop-filter: blur(8px);
  padding: 1.2rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border-subtle);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.logo-mark {
  background: linear-gradient(135deg, var(--gold-soft), var(--bronze));
  color: #0F0B08;
  font-weight: 700;
  font-size: 1.4rem;
  padding: 0.45rem 0.6rem;
  border-radius: 6px;
}

.nav a {
  margin-left: 1.4rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.3s ease;
}

.nav a.active,
.nav a:hover {
  color: var(--gold-soft);
}

.mobile-toggle {
  display: none;
  font-size: 2rem;
  background: none;
  border: none;
  color: var(--text-main);
}

/* ========================
   BUTTONS
======================== */
.btn {
  display: inline-block;
  padding: 0.65rem 1.6rem;
  border-radius: 999px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold-soft), var(--bronze));
  color: #0F0B08;
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 18px rgba(201,162,77,0.35);
}

.btn-outline {
  border: 1px solid var(--gold-soft);
  color: var(--gold-soft);
}

.btn-outline:hover {
  background: rgba(201,162,77,0.08);
}

/* ========================
   HERO SECTION (REFINED)
======================== */
.hero {
  padding: 6rem 0;
  background:
    linear-gradient(
      rgba(15,11,8,0.92),
      rgba(15,11,8,0.98)
    ),
    url("../images/hero-placeholder.png") center/cover no-repeat;
}

.hero-title {
  font-family: 'Playfair Display', serif;
  font-size: 3rem;
  font-weight: 500;
}

.hero-title .gold {
  color: var(--gold-soft);
}

.hero-lead {
  font-size: 1.1rem;
  margin: 1rem 0 2rem;
  color: var(--text-muted);
  max-width: 620px;
}

/* ========================
   GRID LAYOUTS
======================== */
.grid {
  display: grid;
  gap: 2rem;
}

.demos-grid {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.services-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

/* ========================
   CARDS (SUBTLE)
======================== */
.service-card,
.demo-card {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  border: 1px solid var(--border-subtle);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.service-card:hover,
.demo-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 0 30px rgba(201,162,77,0.18);
}

.service-card h3,
.demo-card h3 {
  font-family: 'Playfair Display', serif;
  color: var(--gold-soft);
  margin-bottom: 0.6rem;
}

.service-card p,
.demo-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ========================
   CONTACT FORM
======================== */
.contact-form {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 18px;
  border: 1px solid var(--border-subtle);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 0.75rem;
  border-radius: 10px;
  border: none;
  background: #2A211A;
  color: var(--text-main);
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  outline: none;
  box-shadow: 0 0 0 1px var(--gold-soft);
}

/* ========================
   FOOTER
======================== */
.site-footer {
  background: #0C0907;
  padding: 2rem 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ========================
   FLOATING WHATSAPP
======================== */
.floating-whatsapp {
  position: fixed;
  bottom: 22px;
  right: 22px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  box-shadow: 0 10px 25px rgba(0,0,0,0.45);
  transition: transform 0.3s ease;
}

.floating-whatsapp:hover {
  transform: scale(1.1);
}

/* ========================
   ANIMATIONS (SUBTLE)
======================== */
.fade-up {
  opacity: 0;
  transform: translateY(25px);
  animation: fadeUp 0.8s ease forwards;
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========================
   RESPONSIVE
======================== */
@media (max-width: 768px) {

  .nav {
    display: none;
  }

  .mobile-toggle {
    display: block;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .grid {
    gap: 1.6rem;
  }
}