/* TruccsOS Design System */
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:wght@400;500;600&display=swap');

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

:root {
  --gold: #C9A84C;
  --gold-light: #E8D48B;
  --gold-dark: #8B6914;
  --black: #0A0A0A;
  --dark: #111111;
  --dark-card: #1A1A1A;
  --dark-card-hover: #222222;
  --gray: #888888;
  --gray-light: #aaa;
  --white: #F5F0E8;
  --red: #e74c3c;
  --green: #2ecc71;
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--black);
  color: var(--white);
  overflow-x: hidden;
  min-height: 100vh;
}

/* Grain overlay */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 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='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1000;
}

/* ── Navigation ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(201, 168, 76, 0.08);
}

.nav-brand {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--gold);
  text-decoration: none;
  letter-spacing: 0.08em;
}

.nav-links {
  display: flex;
  gap: 0.25rem;
  list-style: none;
}

.nav-links a {
  color: var(--gray);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
  background: rgba(201, 168, 76, 0.08);
}

.nav-links a.nav-cta {
  background: var(--gold);
  color: var(--black);
  font-weight: 600;
}

.nav-links a.nav-cta:hover {
  background: var(--gold-light);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--gold);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem;
}

@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    padding: 1rem;
    border-bottom: 1px solid rgba(201, 168, 76, 0.1);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 0.75rem 1rem; }
}

/* ── Page Layout ── */
.page {
  padding-top: 80px;
  min-height: 100vh;
}

.page-header {
  text-align: center;
  padding: 4rem 2rem 3rem;
  position: relative;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(circle, rgba(201, 168, 76, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.page-header h1 {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  margin-bottom: 1rem;
  position: relative;
}

.page-header h1 span {
  background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 40%, var(--gold-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-header p {
  color: var(--gray);
  font-size: 1.1rem;
  max-width: 550px;
  margin: 0 auto;
  line-height: 1.6;
  position: relative;
}

/* ── Cards ── */
.card {
  background: var(--dark-card);
  border: 1px solid rgba(201, 168, 76, 0.08);
  border-radius: 16px;
  overflow: hidden;
  transition: border-color 0.3s ease, transform 0.2s ease;
}

.card:hover {
  border-color: rgba(201, 168, 76, 0.25);
  transform: translateY(-2px);
}

/* ── Forms ── */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-light);
  margin-bottom: 0.5rem;
  letter-spacing: 0.02em;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--dark);
  border: 1px solid rgba(201, 168, 76, 0.15);
  border-radius: 10px;
  color: var(--white);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  transition: border-color 0.2s ease;
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--gold);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: #555;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%23888'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-select option {
  background: var(--dark);
  color: var(--white);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 480px) {
  .form-row { grid-template-columns: 1fr; }
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 2rem;
  border: none;
  border-radius: 10px;
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
  color: var(--black);
}

.btn-gold:hover {
  background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 100%);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  border: 1px solid rgba(201, 168, 76, 0.3);
  color: var(--gold);
}

.btn-outline:hover {
  background: rgba(201, 168, 76, 0.08);
  border-color: var(--gold);
}

.btn-full { width: 100%; }

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* ── Tags / Badges ── */
.badge {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.badge-gold {
  background: rgba(201, 168, 76, 0.12);
  color: var(--gold);
  border: 1px solid rgba(201, 168, 76, 0.2);
}

.badge-karat {
  background: rgba(201, 168, 76, 0.08);
  color: var(--gold-light);
  font-family: 'Syne', sans-serif;
}

/* ── Footer ── */
.footer {
  padding: 3rem 2rem;
  text-align: center;
  border-top: 1px solid rgba(201, 168, 76, 0.08);
  margin-top: 4rem;
}

.footer-brand {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--gold);
  letter-spacing: 0.1em;
}

.footer-sub {
  color: var(--gray);
  font-size: 0.8rem;
  margin-top: 0.5rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 1rem;
}

.footer-links a {
  color: var(--gray);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--gold); }

/* ── Toast Notification ── */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  padding: 1rem 1.5rem;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 500;
  z-index: 2000;
  transform: translateY(120%);
  opacity: 0;
  transition: all 0.3s ease;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast-success {
  background: var(--dark-card);
  border: 1px solid rgba(46, 204, 113, 0.3);
  color: var(--green);
}

.toast-error {
  background: var(--dark-card);
  border: 1px solid rgba(231, 76, 60, 0.3);
  color: var(--red);
}

/* ── Utilities ── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

.text-gold { color: var(--gold); }
.text-gray { color: var(--gray); }
.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-2 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 2rem; }

/* ── Loading Skeleton ── */
.skeleton {
  background: linear-gradient(90deg, var(--dark-card) 25%, #252525 50%, var(--dark-card) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease infinite;
  border-radius: 8px;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── Divider ── */
.divider {
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  margin: 0 auto;
}