/* ═══════════════════════════════════════════════
   IG Lab — Main Stylesheet
   Author: iglaboratory.com
   ═══════════════════════════════════════════════ */

/* ── Variables ── */
:root {
  --gold:        #D4AF37;
  --gold-light:  #F0C84A;
  --gold-dark:   #9A7B1C;
  --black:       #080808;
  --dark:        #111111;
  --dark2:       #1A1A1A;
  --cream:       #F5EDD8;
  --muted:       #9A8860;
  --font-serif:  'Cormorant Garamond', serif;
  --font-display:'Cinzel', serif;
  --font-ui:     'Rajdhani', sans-serif;
  --radius:      4px;
  --transition:  .25s ease;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--black);
  color: var(--cream);
  font-family: var(--font-serif);
  overflow-x: hidden;
  line-height: 1.6;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; }
ul { list-style: none; }

/* ── Accessibility: Skip link ── */
.skip-link {
  position: absolute; top: -999px; left: 0; z-index: 9999;
  background: var(--gold); color: var(--black);
  padding: 8px 16px; font-family: var(--font-ui);
}
.skip-link:focus { top: 0; }

/* ── Scroll fade-up ── */
.fade-up { opacity: 0; transform: translateY(28px); transition: opacity .65s ease, transform .65s ease; }
.fade-up.visible { opacity: 1; transform: none; }

/* ── Divider ── */
.divider-gold { height: 3px; background: linear-gradient(to right, transparent, var(--gold), transparent); }

/* ─────────────────── NAV ─────────────────── */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 60px;
  background: linear-gradient(to bottom, rgba(8,8,8,.98), rgba(8,8,8,.65));
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(212,175,55,.15);
  transition: padding var(--transition);
}
#navbar.scrolled { padding: 10px 60px; }
.nav-logo {
  font-family: var(--font-display); font-size: 1.3rem; font-weight: 700;
  color: var(--gold); letter-spacing: .12em;
}
.nav-logo span { color: var(--cream); font-weight: 400; }
.nav-links { display: flex; gap: 32px; }
.nav-links a {
  font-family: var(--font-ui); font-size: .82rem; font-weight: 500;
  letter-spacing: .14em; text-transform: uppercase; color: var(--cream);
  opacity: .7; transition: opacity var(--transition), color var(--transition);
}
.nav-links a:hover, .nav-links a:focus { opacity: 1; color: var(--gold); }
.nav-cta {
  font-family: var(--font-ui); font-size: .8rem; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase;
  padding: 9px 22px; border: 1px solid var(--gold);
  color: var(--gold); transition: background var(--transition), color var(--transition);
}
.nav-cta:hover { background: var(--gold); color: var(--black); }
.nav-burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; padding: 4px; }
.nav-burger span { display: block; width: 24px; height: 2px; background: var(--cream); transition: all .3s; }
.nav-cta-mobile { display: none; }

@media (max-width: 960px) {
  #navbar { padding: 14px 24px; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: rgba(8,8,8,.97); padding: 20px 24px; border-bottom: 1px solid rgba(212,175,55,.15); }
  .nav-links.open { display: flex; }
  .nav-cta { display: none; }
  .nav-cta-mobile { display: block; margin-top: 12px; text-align: center; }
  .nav-cta-mobile .nav-cta {
    display: block;
    width: 100%;
    box-sizing: border-box;
    margin: 0 auto;
    font-size: 1rem;
    padding: 12px 0;
  }
}

/* ─────────────────── BUTTONS ─────────────────── */
.btn-gold {
  display: inline-block;
  font-family: var(--font-ui); font-size: .88rem; font-weight: 600;
  letter-spacing: .16em; text-transform: uppercase;
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--gold-light), var(--gold), var(--gold-dark));
  color: var(--black); border: none;
  transition: filter var(--transition), transform var(--transition);
}
.btn-gold:hover, .btn-gold:focus { filter: brightness(1.15); transform: translateY(-2px); outline: 2px solid var(--gold-light); }
.btn-outline {
  display: inline-block;
  font-family: var(--font-ui); font-size: .88rem; font-weight: 600;
  letter-spacing: .16em; text-transform: uppercase;
  padding: 13px 32px;
  border: 1px solid rgba(212,175,55,.5); color: var(--gold); background: transparent;
  transition: border-color var(--transition), background var(--transition);
}
.btn-outline:hover, .btn-outline:focus { border-color: var(--gold); background: rgba(212,175,55,.08); }

/* ─────────────────── HERO ─────────────────── */
#hero {
  min-height: 100vh; display: flex; align-items: center;
  padding: 100px 60px 60px; gap: 80px;
  background: radial-gradient(ellipse 60% 70% at 70% 50%, rgba(212,175,55,.07) 0%, transparent 70%),
              linear-gradient(160deg, #111 0%, #080808 100%);
}
.hero-text { flex: 1; max-width: 520px; }
.hero-eyebrow {
  font-family: var(--font-ui); font-size: .78rem; letter-spacing: .28em;
  text-transform: uppercase; color: var(--gold); margin-bottom: 18px;
  display: flex; align-items: center; gap: 12px;
}
.hero-eyebrow::before { content: ''; width: 40px; height: 1px; background: var(--gold); }
.hero-title {
  font-family: var(--font-display); font-size: clamp(2.2rem, 4vw, 3.6rem);
  font-weight: 700; line-height: 1.15; color: var(--cream); margin-bottom: 14px;
}
.hero-title em { font-style: normal; color: var(--gold); display: block; }
.hero-subtitle { font-size: 1.1rem; font-weight: 300; color: var(--muted); line-height: 1.75; margin-bottom: 36px; }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
#card-mount { flex: 1; min-width: 300px; display: flex; flex-direction: column; align-items: center; gap: 14px; }
#gem-canvas { border-radius: var(--radius); cursor: grab; display: block; }
#gem-canvas:active { cursor: grabbing; }
.card-hint { font-family: var(--font-ui); font-size: .7rem; letter-spacing: .16em; color: var(--muted); text-transform: uppercase; text-align: center; }

/* ─────────────────── ABOUT ─────────────────── */
#about {
  padding: 110px 60px 100px; display: flex; gap: 80px; align-items: center;
  background: radial-gradient(ellipse 80% 60% at 20% 50%, rgba(212,175,55,.05) 0%, transparent 70%), var(--dark);
}
.about-badge {
  flex-shrink: 0; width: 200px; height: 200px;
  border: 1px solid rgba(212,175,55,.3);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  position: relative;
}
.about-badge::before { content: ''; position: absolute; inset: 8px; border: 1px solid rgba(212,175,55,.12); }
.about-badge-year { font-family: var(--font-display); font-size: 3rem; font-weight: 900; color: var(--gold); line-height: 1; }
.about-badge-label { font-family: var(--font-ui); font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); text-align: center; }
.section-eyebrow {
  font-family: var(--font-ui); font-size: .74rem; letter-spacing: .28em;
  text-transform: uppercase; color: var(--gold); margin-bottom: 14px;
  display: flex; align-items: center; gap: 12px;
}
.section-eyebrow::before { content: ''; width: 28px; height: 1px; background: var(--gold); }
.section-title { font-family: var(--font-display); font-size: clamp(1.8rem, 2.5vw, 2.6rem); font-weight: 700; line-height: 1.2; color: var(--cream); margin-bottom: 18px; }
.section-title span { color: var(--gold); }
.about-text { font-size: 1.05rem; font-weight: 300; line-height: 1.85; color: var(--muted); margin-bottom: 14px; }
.about-stats { display: flex; gap: 40px; margin-top: 32px; padding-top: 32px; border-top: 1px solid rgba(212,175,55,.15); }
.stat-num { font-family: var(--font-display); font-size: 1.9rem; font-weight: 700; color: var(--gold); }
.stat-label { font-family: var(--font-ui); font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }

/* ─────────────────── BENEFITS ─────────────────── */
#benefits { padding: 100px 60px; background: var(--black); }
.section-header { text-align: center; margin-bottom: 60px; }
.section-header .section-eyebrow { justify-content: center; }
.section-header .section-eyebrow::before { display: none; }
.section-subtitle { font-size: .95rem; color: var(--muted); font-weight: 300; margin-top: 8px; }
.benefits-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; }
.benefit-card {
  background: var(--dark2); padding: 40px 32px;
  border: 1px solid rgba(212,175,55,.1);
  position: relative; overflow: hidden;
  transition: border-color var(--transition), transform var(--transition);
}
.benefit-card::before {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px;
  background: linear-gradient(to right, transparent, var(--gold), transparent);
  transform: scaleX(0); transition: transform .35s;
}
.benefit-card:hover { border-color: rgba(212,175,55,.35); transform: translateY(-4px); }
.benefit-card:hover::before { transform: scaleX(1); }
.benefit-icon {
  width: 50px; height: 50px; font-size: 1.4rem;
  border: 1px solid rgba(212,175,55,.3); background: rgba(212,175,55,.05);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px; transition: background var(--transition);
}
.benefit-card:hover .benefit-icon { background: rgba(212,175,55,.12); }
.benefit-title { font-family: var(--font-display); font-size: .98rem; font-weight: 600; color: var(--cream); margin-bottom: 10px; }
.benefit-desc { font-size: .93rem; font-weight: 300; line-height: 1.75; color: var(--muted); }

/* ─────────────────── PRICING ─────────────────── */
#pricing {
  padding: 100px 60px;
  background: radial-gradient(ellipse 70% 70% at 50% 0%, rgba(212,175,55,.07) 0%, transparent 60%), var(--dark);
}
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; max-width: 1000px; margin: 0 auto; }
.price-card {
  border: 1px solid rgba(212,175,55,.2); padding: 40px 28px;
  background: var(--dark2); position: relative;
  transition: transform var(--transition), border-color var(--transition);
}
.price-card.featured {
  border-color: var(--gold); transform: scale(1.04);
  background: linear-gradient(160deg, #1f1b0a 0%, #171307 100%);
}
.price-card:hover { transform: translateY(-6px); }
.price-card.featured:hover { transform: scale(1.04) translateY(-6px); }
.price-badge {
  position: absolute; top: -1px; left: 50%; transform: translateX(-50%);
  font-family: var(--font-ui); font-size: .66rem; letter-spacing: .18em;
  text-transform: uppercase; background: var(--gold); color: var(--black); padding: 4px 16px; font-weight: 700;
}
.price-tier { font-family: var(--font-ui); font-size: .75rem; letter-spacing: .22em; text-transform: uppercase; color: var(--gold); margin-bottom: 6px; }
.price-name { font-family: var(--font-display); font-size: 1.4rem; font-weight: 700; color: var(--cream); margin-bottom: 20px; }
.price-amount { font-family: var(--font-display); font-size: 2.1rem; font-weight: 900; color: var(--gold); line-height: 1; }
.price-amount sup { font-size: .95rem; font-weight: 400; vertical-align: super; margin-right: 1px; }
.price-k { font-size: 1.15rem; }
.price-note { font-size: .78rem; color: var(--muted); margin-top: 4px; margin-bottom: 24px; }
.price-divider { height: 1px; background: rgba(212,175,55,.15); margin: 16px 0; }
.price-features { margin-bottom: 28px; }
.price-features li {
  font-size: .92rem; font-weight: 300; color: var(--muted);
  padding: 7px 0; border-bottom: 1px solid rgba(255,255,255,.04);
  display: flex; align-items: center; gap: 10px;
}
.price-features li::before { content: '◆'; font-size: .45rem; color: var(--gold); flex-shrink: 0; }
.price-cta {
  display: block; text-align: center;
  font-family: var(--font-ui); font-size: .83rem; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase; padding: 12px 20px;
  transition: all var(--transition);
}
.price-cta-outline { border: 1px solid rgba(212,175,55,.4); color: var(--gold); }
.price-cta-outline:hover { border-color: var(--gold); background: rgba(212,175,55,.08); }
.price-cta-filled { background: linear-gradient(135deg, var(--gold-light), var(--gold)); color: var(--black); border: none; }
.price-cta-filled:hover { filter: brightness(1.1); }

/* ─────────────────── CONTACT ─────────────────── */
#contact { padding: 100px 60px; background: linear-gradient(180deg, var(--black) 0%, #0d0b04 100%); }
.cta-inner { max-width: 900px; margin: 0 auto; border: 1px solid rgba(212,175,55,.25); padding: 70px 60px; position: relative; overflow: hidden; }
.cta-inner::before { content: ''; position: absolute; inset: 8px; border: 1px solid rgba(212,175,55,.08); pointer-events: none; }
.cta-bg { position: absolute; inset: 0; background: radial-gradient(ellipse 60% 80% at 50% 50%, rgba(212,175,55,.05) 0%, transparent 70%); }
.cta-content { position: relative; z-index: 1; text-align: center; }
.cta-content .section-eyebrow { justify-content: center; }
.cta-content .section-eyebrow::before { display: none; }
.cta-title { font-family: var(--font-display); font-size: clamp(1.8rem, 2.8vw, 2.6rem); font-weight: 700; color: var(--cream); margin-bottom: 12px; line-height: 1.2; }
.cta-title span { color: var(--gold); }
.cta-subtitle { font-size: 1.02rem; font-weight: 300; color: var(--muted); line-height: 1.7; margin-bottom: 44px; max-width: 500px; margin-left: auto; margin-right: auto; }
.cta-contacts { display: flex; justify-content: center; flex-wrap: wrap; margin-bottom: 44px; }
.contact-item { padding: 24px 32px; border: 1px solid rgba(212,175,55,.12); text-align: center; min-width: 165px; transition: border-color var(--transition), background var(--transition); }
.contact-item:hover { border-color: rgba(212,175,55,.35); background: rgba(212,175,55,.04); }
.contact-icon { font-size: 1.3rem; margin-bottom: 8px; }
.contact-label { font-family: var(--font-ui); font-size: .68rem; letter-spacing: .2em; text-transform: uppercase; color: var(--gold); margin-bottom: 4px; }
.contact-val { font-size: .92rem; font-weight: 300; color: var(--cream); }
.contact-val a { color: var(--cream); transition: color var(--transition); }
.contact-val a:hover { color: var(--gold); }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-top: 32px; }

/* ── Contact Form ── */
.contact-form-wrap { margin: 40px 0; text-align: left; }
.form-title { font-family: var(--font-display); font-size: 1.3rem; font-weight: 600; color: var(--gold); margin-bottom: 24px; text-align: center; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-family: var(--font-ui); font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.form-group label span { color: var(--gold); }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; background: rgba(255,255,255,.04);
  border: 1px solid rgba(212,175,55,.2); color: var(--cream);
  font-family: var(--font-serif); font-size: 1rem;
  padding: 12px 16px; transition: border-color var(--transition);
  appearance: none;
}
.form-group select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23D4AF37' d='M6 8L0 0h12z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; padding-right: 40px; }
.form-group select option { background: var(--dark2); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { outline: none; border-color: var(--gold); }
.form-group input.error,
.form-group select.error,
.form-group textarea.error { border-color: #e74c3c; }
.field-error { display: block; font-family: var(--font-ui); font-size: .72rem; color: #e74c3c; margin-top: 4px; min-height: 18px; }
#form-alert { border-radius: var(--radius); padding: 12px 16px; margin-bottom: 16px; font-family: var(--font-ui); font-size: .88rem; display: none; }
#form-alert.success { background: rgba(46,204,113,.1); border: 1px solid rgba(46,204,113,.4); color: #2ecc71; display: block; }
#form-alert.error   { background: rgba(231,76,60,.1);  border: 1px solid rgba(231,76,60,.4);  color: #e74c3c; display: block; }
.btn-submit { width: 100%; position: relative; }
.btn-loading { display: none; }
.btn-submit.loading .btn-text    { display: none; }
.btn-submit.loading .btn-loading { display: inline; }
.btn-submit:disabled { opacity: .6; cursor: not-allowed; transform: none !important; }

/* ─────────────────── ERROR PAGE ─────────────────── */
.error-page { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 80vh; text-align: center; padding: 60px 24px; }
.error-code { font-family: var(--font-display); font-size: 8rem; font-weight: 900; color: rgba(212,175,55,.15); line-height: 1; }
.error-title { font-family: var(--font-display); font-size: 2rem; font-weight: 700; color: var(--cream); margin-bottom: 14px; }
.error-desc { color: var(--muted); margin-bottom: 32px; }

/* ─────────────────── FOOTER ─────────────────── */
footer {
  background: #050505; border-top: 1px solid rgba(212,175,55,.12);
  padding: 26px 60px; display: flex; align-items: center; justify-content: space-between;
}
.footer-logo { font-family: var(--font-display); font-size: 1rem; font-weight: 700; color: var(--gold); }
.footer-copy { font-family: var(--font-ui); font-size: .73rem; letter-spacing: .08em; color: var(--muted); }

/* ─────────────────── RESPONSIVE ─────────────────── */
@media (max-width: 960px) {
  #navbar { padding: 14px 24px; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: rgba(8,8,8,.97); padding: 20px 24px; border-bottom: 1px solid rgba(212,175,55,.15); }
  .nav-links.open { display: flex; }
  .nav-cta { display: none; }
  .nav-cta-mobile { display: block; margin-top: 12px; text-align: center; }
  .nav-cta-mobile .nav-cta {
    display: block;
    width: 100%;
    box-sizing: border-box;
    margin: 0 auto;
    font-size: 1rem;
    padding: 12px 0;
  }
  .nav-burger { display: flex; }
  #hero { flex-direction: column; padding: 90px 24px 50px; gap: 44px; }
  .hero-title { font-size: 2.2rem; }
  #about { flex-direction: column; padding: 70px 24px; gap: 36px; }
  #benefits { padding: 70px 24px; }
  .benefits-grid { grid-template-columns: 1fr; }
  #pricing { padding: 70px 24px; }
  .pricing-grid { grid-template-columns: 1fr; }
  .price-card.featured { transform: none; }
  #contact { padding: 70px 24px; }
  .cta-inner { padding: 36px 20px; }
  .cta-contacts { flex-direction: column; align-items: center; }
  .form-row { grid-template-columns: 1fr; }
  footer { flex-direction: column; gap: 10px; text-align: center; padding: 20px 24px; }
}

@media (max-width: 500px) {
  #hero { padding-top: 80px; }
  .hero-title { font-size: 1.9rem; }
  .about-badge { width: 160px; height: 160px; }
  .about-badge-year { font-size: 2.4rem; }
  .about-stats { flex-direction: column; gap: 20px; }
}