/* ═══════════════════════════════════════════════════
   ArcKinetic — Shared Stylesheet
   Charcoal palette · Cormorant Garamond · DM Sans/Mono
   ═══════════════════════════════════════════════════ */

:root {
  --charcoal:        #2A2A2E;
  --charcoal-mid:    #34343A;
  --charcoal-light:  #3E3E45;
  --charcoal-deep:   #1F1F23;
  --gold:            #C4A55A;
  --gold-warm:       #D4B570;
  --gold-soft:       rgba(196,165,90,0.10);
  --gold-glow:       rgba(196,165,90,0.18);
  --cream:           #F0EBE0;
  --cream-dim:       rgba(240,235,224,0.62);
  --cream-faint:     rgba(240,235,224,0.32);
  --rule:            rgba(196,165,90,0.18);
  --rule-soft:       rgba(196,165,90,0.10);
  --serif: 'Cormorant Garamond', Georgia, serif;
  --mono:  'DM Mono', monospace;
  --sans:  'DM Sans', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--charcoal);
  color: var(--cream);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.75;
  overflow-x: hidden;
}

.container { max-width: 1200px; margin: 0 auto; }
section { padding: 7rem 3rem; }

/* TYPOGRAPHY */
.label {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  display: block;
  margin-bottom: 1.2rem;
}
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 400; }
.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
  color: var(--cream);
}
.section-title em { font-style: italic; color: var(--gold); }

/* BUTTONS */
.btn-gold, .btn-outline {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.95rem 2.1rem;
  text-decoration: none;
  border: 1px solid;
  transition: all 0.25s;
  cursor: pointer;
}
.btn-gold { color: var(--charcoal-deep); background: var(--gold); border-color: var(--gold); }
.btn-gold:hover { background: var(--cream); border-color: var(--cream); }
.btn-outline { color: var(--cream-dim); background: transparent; border-color: var(--rule); font-weight: 400; }
.btn-outline:hover { border-color: var(--gold); color: var(--gold); }

/* ═══════════════════════════════════════════════════
   NAV with MEGA MENU
   ═══════════════════════════════════════════════════ */
nav.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.3rem 3rem;
  background: rgba(31,31,35,0.94);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--rule);
}
.nav-brand {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--cream);
  text-decoration: none;
  letter-spacing: 0.03em;
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.nav-brand span { color: var(--gold); }
.nav-brand-tag {
  font-family: var(--mono);
  font-size: 0.5rem;
  letter-spacing: 0.18em;
  color: var(--cream-faint);
  text-transform: uppercase;
  margin-top: 0.15rem;
}
.nav-links { display: flex; gap: 2rem; list-style: none; align-items: center; }
.nav-links > li { position: relative; }
.nav-links > li > a, .nav-links > li > span.has-mega {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cream-dim);
  text-decoration: none;
  transition: color 0.2s;
  padding: 1.6rem 0;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
}
.nav-links > li > a:hover, .nav-links > li > span.has-mega:hover { color: var(--gold); }
.nav-chev {
  width: 6px; height: 6px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform 0.25s;
}
.nav-links > li:hover .nav-chev { transform: rotate(225deg) translateY(0px); }

/* MEGA MENU */
.mega-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  width: 1080px;
  max-width: 96vw;
  background: var(--charcoal-deep);
  border: 1px solid var(--rule);
  padding: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, transform 0.25s ease, visibility 0s 0.25s;
  z-index: 200;
}
.nav-links > li:hover .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  transition: opacity 0.2s ease, transform 0.25s ease;
}
.mega-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
}
.mega-item {
  padding: 1.8rem 1.4rem;
  border-right: 1px solid var(--rule);
  text-decoration: none;
  transition: background 0.2s;
  display: block;
}
.mega-item:last-child { border-right: none; }
.mega-item:hover { background: var(--gold-soft); }
.mega-item-mark {
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.16em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}
.mega-item-name {
  font-family: var(--serif);
  font-size: 1.4rem;
  color: var(--cream);
  font-weight: 400;
  line-height: 1.1;
  margin-bottom: 0.3rem;
  display: flex;
  align-items: baseline;
  gap: 0.2rem;
}
.mega-item-name sup { color: var(--gold); font-family: var(--mono); font-size: 0.45rem; }
.mega-item-tag {
  font-family: var(--sans);
  font-style: italic;
  font-size: 0.78rem;
  color: var(--gold);
  margin-bottom: 0.8rem;
  font-weight: 300;
}
.mega-item-desc {
  font-size: 0.75rem;
  color: var(--cream-dim);
  line-height: 1.6;
  margin-bottom: 0.8rem;
}
.mega-item-price {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  color: var(--cream-faint);
  text-transform: uppercase;
}
.mega-footer {
  padding: 1.2rem 1.8rem;
  background: rgba(196,165,90,0.05);
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.mega-footer-text {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  color: var(--cream-dim);
}
.mega-footer-text strong { color: var(--cream); font-weight: 500; }
.mega-footer-link {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  text-decoration: none;
}
.mega-footer-link:hover { color: var(--cream); }

/* mega menu sub variants */
.mega-menu.mega-small { width: 560px; }
.mega-menu.mega-small .mega-grid { grid-template-columns: repeat(2, 1fr); }

/* ═══════════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 7rem;
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--charcoal) 0%, var(--charcoal-mid) 100%);
}
.hero-glow {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 50% 50% at 70% 40%, var(--gold-glow) 0%, transparent 60%),
    radial-gradient(ellipse 40% 60% at 15% 80%, rgba(196,165,90,0.06) 0%, transparent 65%);
  pointer-events: none;
}
.hero-grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(196,165,90,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(196,165,90,0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 70% 70% at center, black 30%, transparent 90%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 2; max-width: 1200px; margin: 0 auto; width: 100%; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 0.8rem;
  font-family: var(--mono); font-size: 0.62rem;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 2.5rem;
}
.hero-tag::before { content: ''; display: block; width: 32px; height: 1px; background: var(--gold); }
.hero-h1 {
  font-family: var(--serif);
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.01em;
  margin-bottom: 1.6rem;
  color: var(--cream);
  max-width: 950px;
}
.hero-h1 em { font-style: italic; color: var(--gold); }
.hero-sub {
  font-size: 1.05rem;
  color: var(--cream-dim);
  max-width: 620px;
  line-height: 1.85;
  margin-bottom: 2.5rem;
  font-weight: 300;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; margin-bottom: 1rem; }
.hero-meta {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--cream-faint);
}

/* ═══════════════════════════════════════════════════
   PRODUCT CARDS GRID (homepage)
   ═══════════════════════════════════════════════════ */
.section-mid { background: var(--charcoal-mid); border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.section-deep { background: var(--charcoal); }

.products-overview {
  max-width: 1200px;
  margin: 4rem auto 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  border: 1px solid var(--rule);
}
.product-tile {
  padding: 2.5rem 1.6rem;
  border-right: 1px solid var(--rule);
  text-decoration: none;
  display: block;
  transition: background 0.3s;
  position: relative;
}
.product-tile:last-child { border-right: none; }
.product-tile:hover { background: var(--gold-soft); }
.product-tile::after {
  content: '→';
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  color: var(--gold);
  font-size: 1rem;
  opacity: 0;
  transition: opacity 0.3s, transform 0.3s;
}
.product-tile:hover::after { opacity: 1; transform: translateX(4px); }
.product-tile-layer {
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.18em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 0.8rem;
  display: block;
}
.product-tile-name {
  font-family: var(--serif);
  font-size: 1.6rem;
  color: var(--cream);
  font-weight: 400;
  line-height: 1.1;
  margin-bottom: 0.4rem;
  display: flex;
  align-items: baseline;
  gap: 0.2rem;
}
.product-tile-name sup { color: var(--gold); font-family: var(--mono); font-size: 0.5rem; }
.product-tile-tag {
  font-style: italic;
  font-size: 0.85rem;
  color: var(--gold);
  margin-bottom: 1rem;
  font-weight: 300;
}
.product-tile-desc {
  font-size: 0.8rem;
  color: var(--cream-dim);
  line-height: 1.75;
  margin-bottom: 1rem;
}
.product-tile-price {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--cream-faint);
  text-transform: uppercase;
}

/* ═══════════════════════════════════════════════════
   PRODUCT PAGE LAYOUTS
   ═══════════════════════════════════════════════════ */
.product-hero {
  min-height: 80vh;
  padding-top: 9rem;
  padding-bottom: 5rem;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--charcoal) 0%, var(--charcoal-mid) 100%);
}
.product-hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 5rem;
  align-items: center;
  padding: 0 3rem;
}
.product-hero-mark {
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.2em;
  color: var(--gold);
  text-transform: uppercase;
  border: 1px solid var(--gold);
  padding: 0.3rem 0.8rem;
  display: inline-block;
  margin-bottom: 1.8rem;
}
.product-hero h1 {
  font-size: clamp(3rem, 6vw, 5rem);
  line-height: 1.0;
  margin-bottom: 0.4rem;
  color: var(--cream);
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
  flex-wrap: wrap;
}
.product-hero h1 sup { color: var(--gold); font-family: var(--mono); font-size: 0.35em; }
.product-hero-tagline {
  font-style: italic;
  font-size: 1.4rem;
  color: var(--gold);
  margin-bottom: 1.8rem;
  font-weight: 300;
}
.product-hero-sub {
  font-size: 1.05rem;
  color: var(--cream-dim);
  line-height: 1.85;
  margin-bottom: 2.5rem;
}
.product-hero-card {
  background: var(--charcoal-deep);
  border: 1px solid var(--rule);
  padding: 2.5rem;
}
.product-hero-card-label {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.16em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.product-hero-card h3 {
  font-size: 1.4rem;
  color: var(--cream);
  margin-bottom: 1rem;
  line-height: 1.2;
}
.product-hero-card p {
  font-size: 0.88rem;
  color: var(--cream-dim);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}
.product-hero-card .btn-gold { width: 100%; text-align: center; }

/* "How it works" steps */
.how-grid {
  max-width: 1200px;
  margin: 4rem auto 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--rule);
}
.how-card {
  padding: 2.5rem 1.8rem;
  border-right: 1px solid var(--rule);
}
.how-card:last-child { border-right: none; }
.how-num {
  font-family: var(--serif);
  font-size: 2.8rem;
  color: var(--gold);
  opacity: 0.4;
  line-height: 1;
  margin-bottom: 1.2rem;
  display: block;
  font-weight: 300;
}
.how-card h4 {
  font-size: 1.1rem;
  color: var(--cream);
  margin-bottom: 0.5rem;
  font-weight: 500;
}
.how-card p {
  font-size: 0.83rem;
  color: var(--cream-dim);
  line-height: 1.75;
}

/* Feature list */
.feature-list {
  max-width: 1200px;
  margin: 4rem auto 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--rule);
}
.feature-cell {
  padding: 2.5rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.feature-cell:nth-child(2n) { border-right: none; }
.feature-cell:nth-last-child(-n+2) { border-bottom: none; }
.feature-icon {
  width: 36px; height: 36px;
  border: 1px solid var(--gold);
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--gold);
  margin-bottom: 1rem;
}
.feature-cell h4 {
  font-size: 1.15rem;
  color: var(--cream);
  margin-bottom: 0.5rem;
  font-weight: 500;
}
.feature-cell p {
  font-size: 0.88rem;
  color: var(--cream-dim);
  line-height: 1.8;
}

/* Pricing tiers */
.tiers {
  max-width: 1200px;
  margin: 4rem auto 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--rule);
  background: var(--charcoal);
}
.tier {
  padding: 3rem 2.5rem;
  border-right: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
}
.tier:last-child { border-right: none; }
.tier.featured { background: var(--gold-soft); position: relative; }
.tier-badge {
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  background: var(--gold);
  color: var(--charcoal-deep);
  padding: 0.25rem 0.7rem;
  display: inline-block;
  margin-bottom: 1.2rem;
  align-self: flex-start;
}
.tier-name {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 0.3rem;
  display: block;
}
.tier h3 {
  font-size: 2rem;
  color: var(--cream);
  margin-bottom: 0.2rem;
  font-weight: 400;
}
.tier-price {
  font-size: 2.6rem;
  color: var(--gold);
  font-weight: 300;
  line-height: 1;
  margin: 1.2rem 0 0.2rem;
}
.tier-freq {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--cream-dim);
  text-transform: uppercase;
  margin-bottom: 1.8rem;
}
.tier-desc {
  font-size: 0.85rem;
  color: var(--cream-dim);
  line-height: 1.8;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 1.5rem;
}
.tier-features {
  list-style: none;
  flex: 1;
  margin-bottom: 2rem;
}
.tier-features li {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  color: var(--cream-dim);
  padding: 0.55rem 0;
  border-bottom: 1px solid rgba(196,165,90,0.08);
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  line-height: 1.5;
}
.tier-features li::before { content: '✓'; color: var(--gold); flex-shrink: 0; }
.tier-features li.dim { opacity: 0.5; }

/* FAQ */
.faq-list {
  max-width: 900px;
  margin: 3rem auto 0;
  border: 1px solid var(--rule);
}
.faq-item {
  padding: 1.8rem 2rem;
  border-bottom: 1px solid var(--rule);
}
.faq-item:last-child { border-bottom: none; }
.faq-item h4 {
  font-size: 1.1rem;
  color: var(--cream);
  margin-bottom: 0.6rem;
  font-weight: 500;
}
.faq-item p {
  font-size: 0.88rem;
  color: var(--cream-dim);
  line-height: 1.85;
}

/* CTA */
.cta-gold {
  background: var(--gold);
  padding: 5rem 3rem;
  text-align: center;
}
.cta-gold .label { color: rgba(31,31,35,0.5); }
.cta-gold h2 {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  color: var(--charcoal-deep);
  line-height: 1.1;
  margin-bottom: 1rem;
}
.cta-gold p {
  color: rgba(31,31,35,0.7);
  font-size: 0.95rem;
  max-width: 480px;
  margin: 0 auto 2.5rem;
  line-height: 1.8;
}
.btn-dark {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  background: var(--charcoal-deep);
  padding: 0.95rem 2.1rem;
  text-decoration: none;
  transition: all 0.25s;
}
.btn-dark:hover { background: var(--charcoal); }

/* FOOTER */
footer {
  background: var(--charcoal-deep);
  padding: 4rem 3rem 2rem;
  border-top: 1px solid var(--rule);
}
.footer-top {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 4rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--rule);
}
.footer-brand-block .footer-brand {
  font-family: var(--serif);
  font-size: 1.5rem;
  color: var(--cream);
  margin-bottom: 0.4rem;
}
.footer-brand-block .footer-brand span { color: var(--gold); }
.footer-sub {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  color: var(--cream-faint);
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}
.footer-brand-block p { font-size: 0.82rem; color: var(--cream-dim); line-height: 1.75; }
.footer-col h5 {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.6rem; }
.footer-col ul a {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  color: var(--cream-dim);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-col ul a:hover { color: var(--gold); }
.footer-col p {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--cream-dim);
  line-height: 1.8;
  letter-spacing: 0.04em;
}
.footer-bottom {
  max-width: 1200px;
  margin: 2rem auto 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-copy {
  font-family: var(--mono);
  font-size: 0.55rem;
  color: var(--cream-faint);
  letter-spacing: 0.08em;
}
.footer-legal { display: flex; gap: 1.5rem; }
.footer-legal a {
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.1em;
  color: var(--cream-faint);
  text-transform: uppercase;
  text-decoration: none;
}
.footer-legal a:hover { color: var(--gold); }

/* ═══════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  nav.site-nav { padding: 1.3rem 1.5rem; }
  .nav-links { display: none; }
  section, .cta-gold, footer { padding-left: 1.5rem; padding-right: 1.5rem; }
  .products-overview { grid-template-columns: 1fr; }
  .product-tile { border-right: none; border-bottom: 1px solid var(--rule); }
  .product-tile:last-child { border-bottom: none; }
  .product-hero-inner { grid-template-columns: 1fr; gap: 3rem; padding: 0 1.5rem; }
  .how-grid { grid-template-columns: 1fr 1fr; }
  .how-card:nth-child(2) { border-right: none; }
  .how-card:nth-child(3), .how-card:nth-child(4) { border-top: 1px solid var(--rule); }
  .feature-list { grid-template-columns: 1fr; }
  .feature-cell { border-right: none; }
  .tiers { grid-template-columns: 1fr; }
  .tier { border-right: none; border-bottom: 1px solid var(--rule); }
  .tier:last-child { border-bottom: none; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 600px) {
  .how-grid { grid-template-columns: 1fr; }
  .how-card { border-right: none; border-bottom: 1px solid var(--rule); border-top: none !important; }
  .how-card:last-child { border-bottom: none; }
  .footer-top { grid-template-columns: 1fr; }
}