/* ============================================================
   EXPRESS PEPTIDES — "Shallow Tropical Water" Experience Engine
   Bright Fiji/Hawaii lagoon palette · glassmorphism · cinematic scroll.
   Light background, dark ink, sunlit turquoise.
   ============================================================ */

:root {
  /* Bright shallow-lagoon palette */
  --foam:       #f3fdfb;
  --lagoon-1:   #c9f5ee;
  --lagoon-2:   #9fecdf;
  --lagoon-3:   #63d8c8;
  --lagoon-4:   #26bda9;

  --aqua:       #12c1ab;   /* button / vivid */
  --aqua-2:     #0a9e8c;   /* accent text (readable on light) */
  --aqua-soft:  rgba(18, 193, 171, 0.12);
  --cyan-glow:  rgba(38, 189, 169, 0.35);
  --gold:       #c9992f;
  --gold-2:     #b8891f;
  --gold-soft:  rgba(201, 153, 47, 0.14);

  --ink:        #08383c;   /* primary text (deep teal-ink) */
  --ink-dim:    #33716c;
  --ink-faint:  #6ba39c;
  --line:       rgba(18, 140, 125, 0.20);
  --glass:      rgba(255, 255, 255, 0.55);
  --glass-2:    rgba(255, 255, 255, 0.74);

  --serif: "Cormorant Garamond", "Iowan Old Style", Georgia, serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --shadow: 0 24px 60px -28px rgba(15, 95, 90, 0.35);
  --maxw: 1200px;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--sans);
  background: var(--lagoon-1);
  color: var(--ink);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  letter-spacing: 0.01em;
}

/* ---- Fixed bright shallow-water background ---- */
.water-bg {
  position: fixed;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(1200px 800px at 12% -8%, #ffffff 0%, transparent 55%),
    radial-gradient(1100px 900px at 92% 4%, #dbfaf3 0%, transparent 52%),
    radial-gradient(1400px 1200px at 50% 112%, #8fe6d8 0%, transparent 62%),
    linear-gradient(180deg, #eafdf9 0%, #c2f2ea 42%, #9fe9db 100%);
}
/* drifting sunlit blobs */
.water-bg::before,
.water-bg::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
  mix-blend-mode: screen;
}
.water-bg::before {
  width: 60vw; height: 60vw; top: -12%; left: -8%;
  background: radial-gradient(circle, rgba(255,255,255,0.9), transparent 65%);
  animation: drift1 26s ease-in-out infinite;
}
.water-bg::after {
  width: 55vw; height: 55vw; bottom: -15%; right: -12%;
  background: radial-gradient(circle, rgba(120,230,215,0.55), transparent 65%);
  animation: drift2 32s ease-in-out infinite;
}
@keyframes drift1 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(8vw, 6vh) scale(1.12); } }
@keyframes drift2 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-7vw, -5vh) scale(1.1); } }

/* canvas particle field (sunlit drift) */
#swimField { position: fixed; inset: 0; z-index: -2; pointer-events: none; }

/* sunlight caustics */
.caustics {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    linear-gradient(115deg, transparent 38%, rgba(255,255,255,0.35) 50%, transparent 62%),
    linear-gradient(75deg, transparent 44%, rgba(255,255,255,0.28) 52%, transparent 64%);
  opacity: 0.55;
}

/* ---- Layout ---- */
.wrap { width: 90%; max-width: var(--maxw); margin: 0 auto; }
section { position: relative; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--aqua-2);
  padding: 0.4rem 0.9rem; border: 1px solid var(--line);
  border-radius: 100px; background: rgba(255,255,255,0.6);
  backdrop-filter: blur(8px);
}
.eyebrow.gold { color: var(--gold-2); background: var(--gold-soft); border-color: rgba(201,153,47,0.28); }

h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.08; letter-spacing: -0.01em; color: var(--ink); }
h2.display { font-size: clamp(2.1rem, 5vw, 3.7rem); margin: 1.1rem 0; }
h2.display em { font-style: italic; color: var(--aqua-2); }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--ink-dim); max-width: 60ch; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 0.55rem;
  padding: 0.95rem 1.6rem; border-radius: 100px;
  font-family: var(--sans); font-weight: 600; font-size: 0.95rem;
  text-decoration: none; cursor: pointer; border: 1px solid transparent;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), background 0.3s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-3px); }
.btn-primary {
  background: linear-gradient(135deg, var(--aqua) 0%, #37d8c3 100%);
  color: #033b34; box-shadow: 0 12px 34px -8px var(--cyan-glow);
}
.btn-primary:hover { box-shadow: 0 20px 44px -8px var(--cyan-glow); }
.btn-ghost {
  background: rgba(255,255,255,0.65); color: var(--ink);
  border-color: var(--line); backdrop-filter: blur(10px);
}
.btn-ghost:hover { border-color: var(--aqua); background: #ffffff; }
.btn-gold {
  background: linear-gradient(135deg, var(--gold), #e6bf6a);
  color: #3a2c08; box-shadow: 0 12px 34px -10px rgba(201,153,47,0.5);
}

/* ---- Glass card ---- */
.glass {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: 20px;
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  box-shadow: var(--shadow);
}

/* ============================================================ HEADER / NAV */
header.site {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 1.1rem 0;
  transition: padding 0.4s var(--ease), background 0.4s, border-color 0.4s, box-shadow 0.4s;
  border-bottom: 1px solid transparent;
}
header.site.scrolled {
  padding: 0.7rem 0;
  background: rgba(243, 253, 251, 0.8);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 30px -20px rgba(15,95,90,0.4);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.brand { display: flex; align-items: center; gap: 0.7rem; text-decoration: none; color: var(--ink); }
.brand .mark {
  width: 38px; height: 38px; border-radius: 11px; flex: none;
  background: linear-gradient(135deg, var(--aqua), #37d8c3);
  display: grid; place-items: center; box-shadow: 0 8px 22px -6px var(--cyan-glow);
}
.brand .mark svg { width: 22px; height: 22px; }
.brand b { font-family: var(--serif); font-size: 1.28rem; font-weight: 600; }
.brand span { display: block; font-size: 0.6rem; letter-spacing: 0.26em; text-transform: uppercase; color: var(--ink-faint); font-weight: 700; }
.nav-links { display: flex; align-items: center; gap: 1.7rem; }
.nav-links a { color: var(--ink-dim); text-decoration: none; font-size: 0.92rem; font-weight: 500; transition: color 0.25s; }
.nav-links a:hover { color: var(--aqua-2); }
.nav-cta { display: flex; align-items: center; gap: 0.8rem; }
.burger { display: none; background: rgba(255,255,255,0.6); border: 1px solid var(--line); border-radius: 10px; width: 44px; height: 44px; color: var(--ink); cursor: pointer; }

/* mobile drawer */
.drawer {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(233, 252, 248, 0.97); backdrop-filter: blur(20px);
  display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 1.4rem;
  opacity: 0; pointer-events: none; transition: opacity 0.4s var(--ease);
}
.drawer.open { opacity: 1; pointer-events: auto; }
.drawer a { color: var(--ink); font-family: var(--serif); font-size: 1.7rem; text-decoration: none; }
.drawer a:hover { color: var(--aqua-2); }
.drawer .close { position: absolute; top: 1.4rem; right: 5%; background: rgba(255,255,255,0.7); border: 1px solid var(--line); border-radius: 10px; width: 46px; height: 46px; color: var(--ink); font-size: 1.4rem; cursor: pointer; }

/* ============================================================ HERO */
.hero { min-height: 100vh; display: flex; align-items: center; padding: 8rem 0 5rem; position: relative; }
.hero-photo { position: absolute; inset: 0; z-index: -1; overflow: hidden; }
.hero-photo img {
  width: 100%; height: 100%; object-fit: cover; object-position: center right;
  opacity: 1; transform: scale(1.05);
  animation: heroFloat 24s ease-in-out infinite alternate;
}
@keyframes heroFloat { from { transform: scale(1.05) translateY(0); } to { transform: scale(1.12) translateY(-2%); } }
.hero-photo::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(240,253,250,0.94) 0%, rgba(240,253,250,0.6) 44%, rgba(240,253,250,0.08) 100%),
    linear-gradient(0deg, var(--lagoon-1) 1%, transparent 26%);
}
.page-photo { position: absolute; inset: 0; z-index: -1; overflow: hidden; }
.page-photo img { width: 100%; height: 100%; object-fit: cover; opacity: 0.9; }
.page-photo::after { content:""; position:absolute; inset:0; background: linear-gradient(180deg, rgba(240,253,250,0.55), var(--lagoon-1) 82%), linear-gradient(90deg, rgba(240,253,250,0.75), transparent 60%); }

.hero-inner { max-width: 860px; }
.hero h1 { font-size: clamp(2.7rem, 7.5vw, 5.6rem); margin: 1.6rem 0 1.4rem; text-wrap: balance; }
.hero h1 em { font-style: italic; color: var(--aqua-2); position: relative; }
.hero .lead { font-size: clamp(1.1rem, 1.9vw, 1.4rem); color: var(--ink-dim); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 2.2rem; }
.assurances { display: flex; flex-wrap: wrap; gap: 1.4rem 2rem; margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--line); }
.assurances div { display: flex; align-items: center; gap: 0.6rem; font-size: 0.9rem; color: var(--ink-dim); }
.assurances b { color: var(--ink); font-weight: 600; }
.check { color: var(--aqua-2); flex: none; }
.scroll-hint {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  font-size: 0.7rem; letter-spacing: 0.25em; text-transform: uppercase; color: var(--ink-faint);
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
}
.scroll-hint .dot { width: 1px; height: 34px; background: linear-gradient(var(--aqua-2), transparent); animation: sink 2.2s ease-in-out infinite; }
@keyframes sink { 0%,100% { opacity: 0.3; transform: scaleY(0.6); transform-origin: top; } 50% { opacity: 1; transform: scaleY(1); } }

/* ============================================================ SECTIONS */
.section-pad { padding: 6.5rem 0; }
.section-head { max-width: 640px; margin-bottom: 3rem; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.grid { display: grid; gap: 1.3rem; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.cat-card {
  padding: 1.9rem; border-radius: 18px; text-decoration: none; color: var(--ink);
  background: var(--glass); border: 1px solid var(--line); backdrop-filter: blur(12px);
  transition: transform 0.5s var(--ease), border-color 0.4s, background 0.4s, box-shadow 0.4s;
  position: relative; overflow: hidden; display: block;
}
.cat-card::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(400px 200px at var(--mx,50%) var(--my,0%), var(--aqua-soft), transparent 70%);
  opacity: 0; transition: opacity 0.5s;
}
.cat-card:hover { transform: translateY(-6px); border-color: var(--aqua); background: var(--glass-2); box-shadow: var(--shadow); }
.cat-card:hover::after { opacity: 1; }
.cat-ico { width: 52px; height: 52px; border-radius: 13px; display: grid; place-items: center; margin-bottom: 1.1rem;
  background: linear-gradient(135deg, rgba(18,193,171,0.18), rgba(120,230,215,0.1)); border: 1px solid var(--line); }
.cat-ico svg { width: 26px; height: 26px; color: var(--aqua-2); }
.cat-kicker { font-size: 0.68rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--aqua-2); font-weight: 700; }
.cat-card h3 { font-size: 1.45rem; margin: 0.35rem 0 0.6rem; }
.cat-card p { font-size: 0.92rem; color: var(--ink-dim); margin: 0; }
.cat-card .arrow { margin-top: 1.1rem; color: var(--aqua-2); font-weight: 600; font-size: 0.88rem; display: inline-flex; gap: 0.4rem; }

/* ---- Order / product cards ---- */
.vendor-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.3rem; }
.vendor {
  padding: 2rem 1.8rem; border-radius: 20px; position: relative;
  background: var(--glass); border: 1px solid var(--line); backdrop-filter: blur(14px);
  transition: transform 0.5s var(--ease), border-color 0.4s, box-shadow 0.4s;
}
.vendor:hover { transform: translateY(-6px); border-color: var(--aqua); box-shadow: var(--shadow); }
.vendor.featured { border-color: rgba(201,153,47,0.45); box-shadow: 0 24px 55px -26px rgba(201,153,47,0.4); }
.vendor .rank-tag { position: absolute; top: -0.8rem; left: 1.8rem; font-size: 0.66rem; letter-spacing: 0.14em; text-transform: uppercase; font-weight: 700;
  padding: 0.35rem 0.8rem; border-radius: 100px; background: linear-gradient(135deg, var(--aqua), #37d8c3); color: #033b34; }
.vendor.featured .rank-tag { background: linear-gradient(135deg, var(--gold), #e6bf6a); color: #3a2c08; }
.vendor h3 { font-size: 1.5rem; margin: 0.5rem 0 0.3rem; }
.stars { color: var(--gold); font-size: 1rem; letter-spacing: 0.1em; margin-bottom: 1rem; }
.vendor ul { list-style: none; margin: 1rem 0 1.5rem; }
.vendor li { font-size: 0.9rem; color: var(--ink-dim); padding: 0.4rem 0 0.4rem 1.5rem; position: relative; }
.vendor li::before { content: "✓"; position: absolute; left: 0; color: var(--aqua-2); font-weight: 700; }

/* ---- Feature split ---- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items: center; }
.split .panel { padding: 2.5rem; border-radius: 22px; }
.stat-row { display: flex; gap: 2.5rem; margin-top: 2rem; flex-wrap: wrap; }
.stat b { font-family: var(--serif); font-size: 2.6rem; color: var(--aqua-2); display: block; line-height: 1; }
.stat span { font-size: 0.82rem; color: var(--ink-faint); text-transform: uppercase; letter-spacing: 0.12em; }

/* ---- Journal / guides ---- */
.journal-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.3rem; }
.jcard { padding: 1.7rem; border-radius: 18px; text-decoration: none; color: var(--ink);
  background: var(--glass); border: 1px solid var(--line); backdrop-filter: blur(12px);
  transition: transform 0.5s var(--ease), border-color 0.4s, box-shadow 0.4s; display: flex; flex-direction: column; }
.jcard:hover { transform: translateY(-5px); border-color: var(--aqua); box-shadow: var(--shadow); }
.jcard .tag { font-size: 0.66rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--aqua-2); font-weight: 700; margin-bottom: 0.7rem; }
.jcard h3 { font-size: 1.3rem; margin-bottom: 0.6rem; }
.jcard p { font-size: 0.88rem; color: var(--ink-dim); flex: 1; }
.jcard .rd { margin-top: 1rem; color: var(--aqua-2); font-size: 0.85rem; font-weight: 600; }

/* ---- Local / order CTA band ---- */
.local-band { padding: 3rem; border-radius: 26px; text-align: center; overflow: hidden; position: relative; }
.local-band .contact-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.8rem; margin-top: 1.8rem; }
.contact-chip {
  display: inline-flex; flex-direction: column; align-items: center; gap: 0.15rem;
  padding: 1rem 1.4rem; min-width: 130px; border-radius: 16px; text-decoration: none;
  background: rgba(255,255,255,0.6); border: 1px solid var(--line); color: var(--ink); backdrop-filter: blur(10px);
  transition: transform 0.4s var(--ease), border-color 0.3s, box-shadow 0.3s;
}
.contact-chip:hover { transform: translateY(-4px); border-color: var(--aqua); box-shadow: var(--shadow); }
.contact-chip .ico { display: grid; place-items: center; height: 26px; margin-bottom: 0.15rem; }
.contact-chip .ico svg { width: 24px; height: 24px; color: var(--aqua-2); }
.contact-chip b { font-size: 0.95rem; }
.contact-chip span { font-size: 0.72rem; color: var(--ink-faint); }

/* ---- Form ---- */
.form-wrap { padding: 2.6rem; border-radius: 24px; max-width: 760px; margin: 0 auto; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem 1.2rem; }
.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 0.78rem; letter-spacing: 0.06em; color: var(--ink-dim); font-weight: 600; }
.field input, .field select, .field textarea {
  background: rgba(255,255,255,0.75); border: 1px solid var(--line); border-radius: 12px;
  padding: 0.85rem 1rem; color: var(--ink); font-family: var(--sans); font-size: 0.95rem;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--aqua); box-shadow: 0 0 0 3px var(--aqua-soft); background: #fff;
}
.field select option { background: #ffffff; color: var(--ink); }
.consent { grid-column: 1/-1; display: flex; gap: 0.7rem; align-items: flex-start; font-size: 0.82rem; color: var(--ink-dim); }
.consent input { margin-top: 0.25rem; accent-color: var(--aqua); }

/* ---- Footer ---- */
footer.site { padding: 4.5rem 0 2.5rem; border-top: 1px solid var(--line); margin-top: 4rem; background: rgba(255,255,255,0.5); backdrop-filter: blur(10px); }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 2.5rem; }
.foot-grid h4 { font-family: var(--sans); font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 1.1rem; }
.foot-grid a { display: block; color: var(--ink-dim); text-decoration: none; font-size: 0.9rem; padding: 0.28rem 0; transition: color 0.25s; }
.foot-grid a:hover { color: var(--aqua-2); }
.foot-brand p { font-size: 0.9rem; color: var(--ink-faint); margin-top: 0.9rem; max-width: 34ch; }
.disclaimer { margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--line); font-size: 0.8rem; color: var(--ink-faint); line-height: 1.7; }
.disclaimer b { color: var(--ink-dim); }

/* ---- Breadcrumb ---- */
.crumb { padding-top: 7.5rem; font-size: 0.85rem; color: var(--ink-faint); }
.crumb a { color: var(--ink-dim); text-decoration: none; }
.crumb a:hover { color: var(--aqua-2); }

/* ---- Article body ---- */
.article { max-width: 760px; margin: 0 auto; padding: 2rem 0 3rem; }
.article h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); margin: 2.4rem 0 1rem; }
.article h3 { font-size: 1.35rem; margin: 1.8rem 0 0.7rem; color: var(--aqua-2); }
.article p { color: var(--ink-dim); margin-bottom: 1.1rem; font-size: 1.02rem; }
.article ul, .article ol { color: var(--ink-dim); margin: 0 0 1.3rem 1.3rem; }
.article li { margin-bottom: 0.5rem; }
.article .callout { padding: 1.4rem 1.6rem; border-radius: 16px; border-left: 3px solid var(--aqua); margin: 1.6rem 0; font-size: 0.95rem; background: rgba(255,255,255,0.5); }
.article strong { color: var(--ink); }

/* ============================================================ SCROLL REVEAL */
.reveal { opacity: 0; transform: translateY(38px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; }
.reveal.d4 { transition-delay: 0.32s; }
.parallax { will-change: transform; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ============================================================ RESPONSIVE */
@media (max-width: 960px) {
  .grid-3, .grid-4, .vendor-grid, .journal-grid { grid-template-columns: 1fr 1fr; }
  .split, .foot-grid { grid-template-columns: 1fr; gap: 2rem; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .nav-links, .nav-cta .btn-ghost { display: none; }
  .burger { display: grid; place-items: center; }
  .grid-3, .grid-4, .vendor-grid, .journal-grid, .form-grid, .foot-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 7rem; }
  .assurances { gap: 1rem; }
  .local-band, .form-wrap { padding: 1.6rem; }
  .split .panel { padding: 1.6rem; }
}