/* ==========================================================================
   THE PEPTIDE PLUG CO. — Design System
   Inspired by the brand banner: deep navy, gold filigree, vial glow
   ========================================================================== */

:root {
  /* Brand palette */
  --bg-deepest: #04060d;
  --bg-deep:    #08101f;
  --bg-mid:     #0e1a30;
  --bg-card:    rgba(20, 32, 54, 0.65);
  --bg-card-solid: #111c33;

  --gold:       #d4af37;
  --gold-light: #f4d27a;
  --gold-bright:#ffd86b;
  --gold-deep:  #8a6f1d;

  --amber:      #ff9a3c;
  --amber-glow: #ffb84d;
  --cyan:       #4fd1ff;
  --cyan-glow:  #8be4ff;

  --text:       #f5efe1;
  --text-mute:  #b9b3a3;
  --text-dim:   #7d7866;

  --danger:     #ff6b6b;
  --success:    #5dd39e;

  --line:       rgba(212, 175, 55, 0.22);
  --line-bright:rgba(212, 175, 55, 0.55);

  --radius-sm: 8px;
  --radius:    14px;
  --radius-lg: 22px;

  --shadow-soft: 0 8px 28px rgba(0,0,0,0.45);
  --shadow-gold: 0 0 32px rgba(212,175,55,0.18);

  --max: 1240px;

  --font-display: 'Cinzel', 'Playfair Display', Georgia, serif;
  --font-body:    'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-body);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(212,175,55,0.10), transparent 60%),
    radial-gradient(900px 600px at -10% 110%, rgba(79,209,255,0.08), transparent 60%),
    linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-deepest) 100%);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: var(--gold-light); text-decoration: none; transition: color .2s; }
a:hover { color: var(--gold-bright); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.02em;
  margin: 0 0 .6em;
  color: var(--text);
}
h1 { font-size: clamp(2rem, 4.6vw, 3.6rem); line-height: 1.05; }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: 1.25rem; }
p  { margin: 0 0 1em; color: var(--text-mute); }

.gold        { color: var(--gold-light); }
.gold-bright { color: var(--gold-bright); }
.muted       { color: var(--text-mute); }
.tiny        { font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; }

/* Layout */
.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.section   { padding: 80px 0; }
.section.tight { padding: 48px 0; }

/* ===== Header / Nav ===== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  background: linear-gradient(180deg, rgba(4,6,13,0.92), rgba(4,6,13,0.78));
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0;
}
.brand {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold-light);
}
.brand-mark {
  width: 36px; height: 36px; border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--gold-bright), var(--gold-deep));
  box-shadow: 0 0 18px rgba(212,175,55,0.55), inset 0 0 8px rgba(255,255,255,0.4);
  position: relative;
}
.brand-mark::after {
  content: ''; position: absolute; inset: 8px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 30%, #fff7d6, transparent 60%);
  opacity: .8;
}

.nav-links {
  display: flex; gap: 26px; align-items: center; list-style: none; margin: 0; padding: 0;
}
.nav-links a {
  color: var(--text);
  font-size: .92rem;
  letter-spacing: .04em;
  position: relative;
  padding: 6px 0;
}
.nav-links a:hover, .nav-links a.active { color: var(--gold-bright); }
.nav-links a.active::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 2px; background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.nav-cta { display: flex; gap: 10px; align-items: center; }
.cart-pill {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(212,175,55,0.08);
  border: 1px solid var(--line);
  color: var(--gold-light);
  padding: 8px 14px; border-radius: 999px;
  font-size: .88rem;
  cursor: pointer; transition: all .2s;
}
.cart-pill:hover { background: rgba(212,175,55,0.16); border-color: var(--line-bright); }
.cart-count {
  background: var(--gold);
  color: #1a1303;
  font-weight: 700;
  border-radius: 999px;
  padding: 0 7px;
  min-width: 20px; text-align: center;
  font-size: .75rem;
}

/* Mobile menu */
.menu-toggle {
  display: none;
  background: transparent; border: 1px solid var(--line);
  color: var(--gold-light); border-radius: 8px;
  padding: 8px 10px; cursor: pointer; font-size: 1.1rem;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 26px;
  border-radius: 10px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all .25s ease;
  border: 1px solid transparent;
  text-decoration: none;
}
.btn-gold {
  background: linear-gradient(180deg, var(--gold-bright), var(--gold));
  color: #1a1303;
  box-shadow: 0 6px 22px rgba(212,175,55,0.35), inset 0 1px 0 rgba(255,255,255,0.5);
}
.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(212,175,55,0.55), inset 0 1px 0 rgba(255,255,255,0.55);
  color: #1a1303;
}
.btn-ghost {
  background: transparent;
  color: var(--gold-light);
  border-color: var(--line-bright);
}
.btn-ghost:hover {
  background: rgba(212,175,55,0.08);
  color: var(--gold-bright);
}
.btn-block { width: 100%; }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none !important; }

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 28px 0 60px;
  overflow: hidden;
}
.hero-banner {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft), 0 0 0 1px var(--line);
}
.hero-banner img { width: 100%; display: block; }
.hero-banner::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(4,6,13,0.65));
  pointer-events: none;
}
.hero-cta {
  margin-top: 36px;
  display: flex; flex-wrap: wrap; gap: 14px; justify-content: center;
}
.hero-tagline {
  text-align: center;
  margin-top: 28px;
}
.hero-tagline .eyebrow {
  color: var(--gold-bright);
  letter-spacing: .3em;
  font-size: .82rem;
  margin-bottom: 12px;
  text-transform: uppercase;
}
.hero-tagline h1 {
  max-width: 820px; margin: 0 auto 18px;
}
.hero-tagline p { max-width: 640px; margin: 0 auto; font-size: 1.08rem; }

/* ===== Pillars / value strip ===== */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 48px;
}
.pillar {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  transition: transform .2s, border-color .2s;
}
.pillar:hover { transform: translateY(-4px); border-color: var(--line-bright); }
.pillar-icon {
  width: 52px; height: 52px; border-radius: 50%;
  margin: 0 auto 14px;
  display: grid; place-items: center;
  background: radial-gradient(circle at 30% 30%, rgba(212,175,55,0.35), rgba(212,175,55,0.05));
  border: 1px solid var(--line-bright);
  font-size: 1.5rem;
}
.pillar h3 { font-size: 1rem; letter-spacing: .14em; text-transform: uppercase; color: var(--gold-light); margin-bottom: 8px;}
.pillar p { color: var(--text-mute); margin: 0; font-size: .94rem; }

/* ===== Section heading ===== */
.section-head { text-align: center; margin-bottom: 42px; }
.section-head .eyebrow {
  color: var(--gold-bright);
  letter-spacing: .3em;
  font-size: .78rem;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.section-head h2 { margin-bottom: 8px; }
.section-head p { max-width: 680px; margin: 0 auto; }

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-bright), transparent);
  margin: 0 auto;
  max-width: 600px;
}

/* ===== Card grid ===== */
.grid {
  display: grid;
  gap: 22px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

/* Product card */
.product-card {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  display: flex; flex-direction: column;
  transition: all .25s;
  position: relative;
  overflow: hidden;
}
.product-card::before {
  content: ''; position: absolute; inset: -1px;
  border-radius: var(--radius);
  padding: 1px;
  background: linear-gradient(135deg, transparent 30%, rgba(212,175,55,0.5), transparent 70%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity .25s;
  pointer-events: none;
}
.product-card:hover { transform: translateY(-4px); }
.product-card:hover::before { opacity: 1; }

.vial {
  height: 200px;
  border-radius: 12px;
  margin-bottom: 18px;
  display: grid; place-items: center;
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse at 50% 30%, rgba(255,255,255,0.06), transparent 60%), #060a16;
}
.vial-svg { width: 88px; height: 170px; filter: drop-shadow(0 8px 22px rgba(212,175,55,0.45)); }

.tag {
  display: inline-block;
  font-size: .68rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  padding: 4px 9px;
  border-radius: 999px;
  background: rgba(255,154,60,0.12);
  border: 1px solid rgba(255,154,60,0.4);
  color: var(--amber-glow);
  margin-bottom: 10px;
}
.tag.cyan { background: rgba(79,209,255,0.10); border-color: rgba(79,209,255,0.4); color: var(--cyan-glow); }
.tag.gold { background: rgba(212,175,55,0.10); border-color: var(--line-bright); color: var(--gold-light); }

.product-card h3 { margin: 0 0 4px; font-size: 1.15rem; }
.product-card .sub { color: var(--text-dim); font-size: .82rem; margin-bottom: 12px; }
.product-card .desc { color: var(--text-mute); font-size: .92rem; flex: 1; margin-bottom: 14px; }
.product-card .price-row {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 12px;
}
.product-card .price {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--gold-bright);
}
.product-card .price-old {
  color: var(--text-dim);
  text-decoration: line-through;
  font-size: .9rem;
  margin-left: 8px;
}
.research-badge {
  font-size: .65rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold-deep);
  background: rgba(212,175,55,0.08);
  border-top: 1px solid var(--line);
  margin: 14px -22px -22px;
  padding: 10px 22px;
  text-align: center;
}

/* ===== Membership tiers ===== */
.tiers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 16px;
}
.tier {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  position: relative;
  display: flex; flex-direction: column;
  transition: transform .25s;
}
.tier.featured {
  background: linear-gradient(180deg, rgba(212,175,55,0.10), rgba(20,32,54,0.65));
  border-color: var(--line-bright);
  box-shadow: var(--shadow-gold);
  transform: scale(1.03);
}
.tier:hover { transform: translateY(-6px); }
.tier.featured:hover { transform: translateY(-6px) scale(1.03); }
.tier-flag {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(180deg, var(--gold-bright), var(--gold));
  color: #1a1303;
  font-size: .7rem; letter-spacing: .22em; text-transform: uppercase;
  padding: 5px 14px; border-radius: 999px; font-weight: 700;
  box-shadow: 0 4px 14px rgba(212,175,55,0.5);
}
.tier-name { font-size: .86rem; letter-spacing: .26em; text-transform: uppercase; color: var(--gold-light); margin-bottom: 4px; }
.tier-title { font-size: 1.7rem; margin-bottom: 8px; }
.tier-price {
  display: flex; align-items: baseline; gap: 6px;
  margin: 14px 0 22px;
}
.tier-price .num { font-family: var(--font-display); font-size: 3rem; color: var(--gold-bright); line-height: 1; }
.tier-price .per { color: var(--text-mute); }
.tier-features { list-style: none; padding: 0; margin: 0 0 28px; flex: 1; }
.tier-features li {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 9px 0;
  border-bottom: 1px dashed rgba(212,175,55,0.10);
  color: var(--text);
  font-size: .94rem;
}
.tier-features li:last-child { border-bottom: 0; }
.tier-features .check {
  color: var(--gold-bright); font-weight: 700; flex-shrink: 0;
}

/* ===== Forms ===== */
.form-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px;
  max-width: 540px; margin: 0 auto;
}
.form-card.wide { max-width: 760px; }
.form-row { margin-bottom: 18px; }
.form-row label {
  display: block;
  font-size: .82rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 8px;
}
.form-row input[type=text],
.form-row input[type=email],
.form-row input[type=password],
.form-row input[type=number],
.form-row input[type=tel],
.form-row select,
.form-row textarea {
  width: 100%;
  background: rgba(4,6,13,0.55);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 13px 14px;
  font-family: var(--font-body);
  font-size: 1rem;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(212,175,55,0.18);
}
.form-row textarea { min-height: 120px; resize: vertical; }
.form-row .hint { color: var(--text-dim); font-size: .82rem; margin-top: 6px; }

.checkbox-row {
  display: flex; gap: 12px; align-items: flex-start;
  background: rgba(4,6,13,0.4);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 14px;
  cursor: pointer;
  transition: border-color .2s;
}
.checkbox-row:hover { border-color: var(--line-bright); }
.checkbox-row input { margin-top: 4px; transform: scale(1.2); accent-color: var(--gold); }
.checkbox-row .label-text { font-size: .92rem; color: var(--text); }
.checkbox-row .label-text strong { color: var(--gold-light); }

/* ===== Disclaimer page ===== */
.disclaimer-wrap {
  min-height: calc(100vh - 220px);
  display: grid; place-items: center;
  padding: 60px 24px;
}
.disclaimer-card {
  max-width: 720px;
  background: var(--bg-card);
  border: 1px solid var(--line-bright);
  border-radius: var(--radius-lg);
  padding: 44px;
  box-shadow: var(--shadow-soft), var(--shadow-gold);
}
.disclaimer-seal {
  width: 76px; height: 76px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--gold-bright), var(--gold-deep));
  display: grid; place-items: center;
  font-family: var(--font-display);
  color: #1a1303;
  font-size: 1.6rem;
  font-weight: 700;
  box-shadow: 0 0 30px rgba(212,175,55,0.5);
}
.disclaimer-card h1 { text-align: center; }
.disclaimer-card .eyebrow {
  text-align: center;
  color: var(--gold-bright);
  letter-spacing: .3em;
  font-size: .78rem;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.warning-box {
  background: rgba(255,107,107,0.07);
  border: 1px solid rgba(255,107,107,0.35);
  border-radius: 10px;
  padding: 18px;
  margin: 22px 0;
}
.warning-box p { color: var(--text); margin: 0; }
.disclaimer-actions {
  display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; margin-top: 26px;
}

/* ===== Cart / Checkout ===== */
.cart-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
}
.cart-table th {
  text-align: left; font-weight: 600;
  color: var(--gold-light);
  font-size: .78rem; letter-spacing: .2em; text-transform: uppercase;
  padding: 12px 8px;
  border-bottom: 1px solid var(--line);
}
.cart-table td {
  padding: 14px 8px;
  border-bottom: 1px dashed rgba(212,175,55,0.10);
  vertical-align: middle;
}
.cart-table .qty {
  background: rgba(4,6,13,0.55);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  width: 60px; text-align: center;
  padding: 6px;
}
.cart-summary {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}
.cart-summary .row {
  display: flex; justify-content: space-between;
  padding: 8px 0;
  color: var(--text-mute);
}
.cart-summary .row.total {
  border-top: 1px solid var(--line);
  margin-top: 8px;
  padding-top: 14px;
  font-size: 1.25rem;
  color: var(--gold-bright);
  font-family: var(--font-display);
}
.remove-link { color: var(--danger); cursor: pointer; font-size: .85rem; }
.empty-state {
  text-align: center; padding: 80px 20px;
  color: var(--text-mute);
}

/* ===== Education / FAQ ===== */
.edu-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
}
.edu-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  transition: transform .2s, border-color .2s;
}
.edu-card:hover { transform: translateY(-4px); border-color: var(--line-bright); }
.edu-card h3 { color: var(--gold-light); margin-bottom: 8px; }
.edu-card .meta { color: var(--text-dim); font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 12px; }

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
}
.faq-item summary {
  cursor: pointer; padding: 18px 22px;
  font-weight: 600; color: var(--gold-light);
  list-style: none;
  display: flex; justify-content: space-between; align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+'; color: var(--gold); font-size: 1.4rem; transition: transform .2s;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { padding: 0 22px 22px; color: var(--text-mute); margin: 0; }

/* ===== Footer ===== */
.site-footer {
  margin-top: 80px;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, transparent, rgba(4,6,13,0.6));
  padding: 50px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 32px;
}
.footer-grid h4 {
  font-size: .82rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--gold-light); margin-bottom: 14px;
}
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 8px; }
.footer-grid a { color: var(--text-mute); font-size: .92rem; }
.footer-grid a:hover { color: var(--gold-bright); }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 22px;
  display: flex; justify-content: space-between; align-items: center;
  color: var(--text-dim);
  font-size: .82rem;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-warning {
  text-align: center;
  background: rgba(255,154,60,0.05);
  border: 1px solid rgba(255,154,60,0.18);
  border-radius: 10px;
  padding: 14px;
  margin-bottom: 26px;
  color: var(--amber-glow);
  font-size: .85rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}

/* ===== Newsletter capture ===== */
.newsletter {
  background: linear-gradient(135deg, rgba(212,175,55,0.12), rgba(79,209,255,0.06));
  border: 1px solid var(--line-bright);
  border-radius: var(--radius-lg);
  padding: 44px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.newsletter::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 20% 30%, rgba(255,154,60,0.10), transparent 50%);
  pointer-events: none;
}
.newsletter h2 { margin-bottom: 8px; }
.newsletter p { max-width: 540px; margin: 0 auto 24px; }
.newsletter form {
  display: flex; gap: 10px;
  max-width: 520px; margin: 0 auto;
  flex-wrap: wrap; justify-content: center;
  position: relative;
}
.newsletter input[type=email] {
  flex: 1; min-width: 240px;
  background: rgba(4,6,13,0.65);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 13px 16px;
  font-family: var(--font-body);
  font-size: 1rem;
  outline: none;
}
.newsletter input[type=email]:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(212,175,55,0.18);
}
.newsletter .hp { position: absolute; left: -5000px; }

.footer-newsletter {
  background: rgba(20,32,54,0.4);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin-bottom: 32px;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 24px; align-items: center;
}
.footer-newsletter h4 { margin: 0 0 4px; color: var(--gold-light); font-size: 1rem; letter-spacing: .12em; text-transform: uppercase; }
.footer-newsletter p { margin: 0; color: var(--text-mute); font-size: .88rem; }
.footer-newsletter form { display: flex; gap: 8px; position: relative; }
.footer-newsletter input[type=email] {
  flex: 1; background: rgba(4,6,13,0.6); color: var(--text);
  border: 1px solid var(--line); border-radius: 10px;
  padding: 11px 14px; font-size: .94rem; outline: none;
}
.footer-newsletter input[type=email]:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(212,175,55,0.18);
}
.footer-newsletter .hp { position: absolute; left: -5000px; }
@media (max-width: 760px) { .footer-newsletter { grid-template-columns: 1fr; text-align: center; } }

/* ===== Toast / banner notifications ===== */
.toast {
  position: fixed; bottom: 24px; right: 24px;
  background: linear-gradient(180deg, rgba(20,32,54,0.98), rgba(11,18,33,0.98));
  border: 1px solid var(--line-bright);
  border-radius: 12px;
  padding: 14px 20px;
  box-shadow: var(--shadow-soft);
  color: var(--gold-light);
  font-size: .9rem;
  z-index: 200;
  transform: translateY(120%);
  transition: transform .35s cubic-bezier(.2,.7,.2,1);
}
.toast.show { transform: translateY(0); }

/* ===== Auth gate banner ===== */
.gate-banner {
  background: linear-gradient(90deg, rgba(255,154,60,0.12), rgba(255,154,60,0.04));
  border: 1px solid rgba(255,154,60,0.35);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin-bottom: 28px;
  display: flex; gap: 14px; align-items: center; flex-wrap: wrap;
  justify-content: space-between;
}
.gate-banner p { margin: 0; color: var(--amber-glow); font-size: .9rem; }

/* ===== Filter chips ===== */
.chips {
  display: flex; flex-wrap: wrap; gap: 10px;
  justify-content: center; margin-bottom: 30px;
}
.chip {
  background: rgba(20,32,54,0.6);
  border: 1px solid var(--line);
  color: var(--text-mute);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: .85rem;
  cursor: pointer;
  transition: all .2s;
}
.chip:hover { color: var(--gold-light); border-color: var(--line-bright); }
.chip.active {
  background: linear-gradient(180deg, var(--gold-bright), var(--gold));
  color: #1a1303;
  border-color: transparent;
  font-weight: 600;
}

/* ===== Share box ===== */
.share-box {
  display: flex; gap: 10px;
  background: rgba(4,6,13,0.55);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 6px;
  margin: 24px auto;
  max-width: 460px;
}
.share-box input {
  flex: 1; background: transparent; border: 0; color: var(--text);
  padding: 10px 12px; outline: none;
  font-family: monospace; font-size: .92rem;
}

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .tiers { grid-template-columns: 1fr; }
  .tier.featured { transform: none; }
  .tier.featured:hover { transform: translateY(-6px); }
  .pillars { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .edu-grid { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .nav-links {
    display: none;
    position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; gap: 0;
    background: rgba(4,6,13,0.98);
    border-bottom: 1px solid var(--line);
    padding: 14px 24px;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; padding: 8px 0; border-bottom: 1px dashed var(--line); }
  .menu-toggle { display: inline-flex; }
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 50px 0; }
  .form-card { padding: 24px; }
  .disclaimer-card { padding: 28px; }
}