/* ============================================================
   VENOM — venomskin.com
   Design system built to the Venom Brand Guidelines 2026
   Colors, type, and voice per the brand book.
   ============================================================ */

:root {
  /* Core palette (brand book p.17) */
  --forest:   #00241B;  /* primary dark base */
  --midnight: #09298F;  /* bold contrast / hero */
  --leaf:     #3F7E21;  /* emphasis / focus */
  --olive:    #D4D6B9;  /* soft neutral */
  --cream:    #FEF9F3;  /* premium light */

  --forest-2: #06180F;  /* deeper base for layering */
  --leaf-2:   #4E8C2E;  /* slightly brighter leaf for hovers */
  --line:     rgba(254,249,243,.14);
  --line-dk:  rgba(0,36,27,.14);

  --ink:      var(--forest);
  --paper:    var(--cream);

  --wrap: 1220px;
  --gap: clamp(20px, 4vw, 40px);
  --radius: 4px;
  --radius-pill: 999px;

  --f-head: "IBM Plex Sans Condensed", system-ui, sans-serif;
  --f-body: "Inter", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--f-body);
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--f-head);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -0.01em;
  margin: 0;
}

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gap); }

.eyebrow {
  font-family: var(--f-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}
.leaf { color: var(--leaf); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--f-body);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 15px 30px;
  border-radius: var(--radius-pill);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-solid   { background: var(--forest); color: var(--cream); }
.btn-solid:hover { background: var(--leaf); }
.btn-leaf    { background: var(--leaf); color: var(--cream); }
.btn-leaf:hover { background: var(--leaf-2); }
.btn-cream   { background: var(--cream); color: var(--forest); }
.btn-cream:hover { background: #fff; }
.btn-ghost   { background: transparent; border-color: currentColor; color: var(--cream); }
.btn-ghost:hover { background: var(--cream); color: var(--forest); border-color: var(--cream); }
.btn-ghost-dk { background: transparent; border-color: var(--forest); color: var(--forest); }
.btn-ghost-dk:hover { background: var(--forest); color: var(--cream); }
.btn-sm { padding: 11px 20px; font-size: 12px; }
.btn-lg { padding: 18px 40px; font-size: 14px; }

/* ---------- Logo / wordmark + emblem ---------- */
.wordmark { display: inline-flex; align-items: baseline; gap: .02em;
  font-family: var(--f-head); font-weight: 600; letter-spacing: -0.01em; line-height: 1;
  font-size: 30px; color: var(--cream); }
.wordmark .lower { text-transform: lowercase; }
.wordmark .upper { text-transform: uppercase; }
.wordmark .emblem { width: .82em; height: .82em; align-self: center; margin: 0 .01em; }
.emblem { display: inline-block; }
.emblem svg { display: block; width: 100%; height: 100%; }

/* ---------- Announcement bar ---------- */
.announce {
  background: var(--forest);
  color: var(--cream);
  text-align: center;
  font-size: 11.5px; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase;
  padding: 9px 16px;
  margin: 0;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(0,36,27,.82);
  backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-bar { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 20px; }
.nav-links { display: flex; gap: 30px; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--cream); font-size: 14px; font-weight: 500; letter-spacing: .01em; opacity: .9; transition: opacity .15s; }
.nav-links a:hover { opacity: 1; color: var(--olive); }
.nav-cta { display: flex; align-items: center; gap: 16px; }
.nav-toggle { display: none; background: none; border: 0; color: var(--cream); font-size: 22px; cursor: pointer; }

/* ---------- Hero ---------- */
.hero { position: relative; background: var(--forest-2); color: var(--cream); overflow: hidden; }
.hero-media { position: absolute; inset: 0; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: center 40%; }
.hero-media::after { content:""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,36,27,.55) 0%, rgba(0,36,27,.25) 40%, rgba(6,24,15,.85) 100%); }
.hero-inner { position: relative; z-index: 2; min-height: 82vh; display: flex; flex-direction: column;
  justify-content: flex-end; padding-top: 90px; padding-bottom: clamp(48px, 8vh, 96px); }
.hero h1 { font-size: clamp(48px, 9vw, 128px); text-transform: uppercase; letter-spacing: -0.02em; max-width: 14ch; }
.hero .lede { font-size: clamp(17px, 2.2vw, 22px); max-width: 44ch; margin: 22px 0 30px; color: rgba(254,249,243,.9); }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-kicker { margin-bottom: 20px; color: var(--olive); }
.hero-subhead { font-family: var(--f-head); font-weight: 600; font-size: clamp(18px,2.4vw,26px);
  color: var(--olive); margin: 16px 0 0; }

/* ---------- Trust strip ---------- */
.trust { background: var(--forest); color: var(--cream); border-top: 1px solid var(--line); }
.trust-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px 44px; padding: 20px 0; }
.trust-row span { font-size: 12px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; opacity: .85; display: inline-flex; align-items: center; gap: 10px; }
.trust-row .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--leaf); }

/* ---------- Sections ---------- */
.section { padding: clamp(64px, 10vw, 128px) 0; }
.section-tint { background: var(--olive); }
.section-forest { background: var(--forest); color: var(--cream); }
.section-cream { background: var(--cream); }
.section-head { max-width: 60ch; margin-bottom: clamp(36px, 6vw, 60px); }
.section-head h2 { font-size: clamp(34px, 5.5vw, 68px); text-transform: uppercase; margin-top: 14px; }
.section-head p { font-size: 18px; margin: 18px 0 0; opacity: .85; }

/* ---------- Product feature (PDP) ---------- */
.pdp { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(30px, 5vw, 70px); align-items: center; }
.pdp-media { position: relative; border-radius: var(--radius); overflow: hidden; background: var(--forest); aspect-ratio: 4/5; }
.pdp-media img { width: 100%; height: 100%; object-fit: cover; }
.pdp-media .badge { position: absolute; top: 18px; left: 18px; background: var(--cream); color: var(--forest);
  font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; padding: 8px 14px; border-radius: var(--radius-pill); }
.pdp h1 { font-size: clamp(38px, 5.5vw, 64px); text-transform: uppercase; margin: 12px 0 6px; }
.pdp .subtitle { font-size: 15px; letter-spacing: .04em; opacity: .7; }
.pdp .price { font-family: var(--f-head); font-weight: 600; font-size: 30px; margin: 20px 0 4px; }
.pdp .price small { font-size: 14px; font-weight: 500; opacity: .6; }
.pdp .desc { font-size: 17px; margin: 18px 0 24px; max-width: 46ch; }
.pdp .miniclaims { list-style: none; margin: 0 0 30px; padding: 0; display: grid; gap: 11px; }
.pdp .miniclaims li { display: flex; gap: 12px; align-items: flex-start; font-size: 15.5px; }
.pdp .miniclaims .tick { color: var(--leaf); flex: none; margin-top: 2px; }
.pdp .buybar { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.pdp .subnote { font-size: 13px; opacity: .65; margin-top: 14px; }

/* ---------- Mantra band ---------- */
.mantra { background: var(--forest); color: var(--cream); text-align: left; padding: clamp(70px,11vw,150px) 0; }
.mantra h2 { font-size: clamp(40px, 8vw, 116px); text-transform: uppercase; letter-spacing: -0.02em; line-height: .98; }
.mantra h2 .em { color: var(--leaf); }
.mantra .sub { margin-top: 26px; font-size: clamp(16px,2vw,20px); max-width: 52ch; opacity: .85; }

/* ---------- Ingredient cards ---------- */
.ingredients { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.icard { background: var(--cream); border: 1px solid var(--line-dk); border-radius: var(--radius); padding: 32px 28px 34px; }
.section-forest .icard { background: var(--forest-2); border-color: var(--line); color: var(--cream); }
.icard .num { font-family: var(--f-head); font-weight: 600; font-size: 13px; letter-spacing: .1em; color: var(--leaf); }
.icard h3 { font-size: 25px; text-transform: uppercase; margin: 14px 0 12px; }
.icard p { font-size: 15.5px; opacity: .82; margin: 0; }

/* ---------- Why copper peptides module ---------- */
.why-copper { background: var(--forest-2); border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(28px,4vw,44px); margin-bottom: clamp(28px,4vw,40px); max-width: 68ch; }
.why-copper h3 { font-size: 14px; letter-spacing: .14em; text-transform: uppercase; color: var(--leaf); margin: 0 0 14px; }
.why-copper p { font-size: 16.5px; opacity: .88; margin: 0; }

/* ---------- Featured ingredient (GHK-Cu) ---------- */
.ingredient-lead { background: var(--forest-2); border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(32px,5vw,48px); margin-bottom: clamp(32px,5vw,48px); }
.ingredient-lead .num { font-family: var(--f-head); font-weight: 600; font-size: 13px; letter-spacing: .1em; color: var(--leaf); }
.ingredient-lead h3 { font-size: clamp(28px,4vw,36px); text-transform: uppercase; margin: 14px 0 16px;
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.ingredient-lead .tag { font-family: var(--f-body); font-size: 12px; font-weight: 600; letter-spacing: .1em;
  text-transform: uppercase; background: var(--leaf); color: var(--cream); padding: 5px 12px; border-radius: var(--radius-pill); }
.ingredient-lead p { font-size: 17px; opacity: .88; margin: 0; max-width: 68ch; }
.ingredient-lead sup { font-size: 11px; line-height: 0; margin-left: 1px; }
.ingredient-lead sup a { color: var(--leaf); text-decoration: none; }
.ingredient-lead sup a:hover { text-decoration: underline; }

.refs { margin-top: clamp(28px,4vw,40px); background: var(--forest-2); border: 1px solid var(--line);
  border-radius: var(--radius); padding: clamp(24px,4vw,36px); }
.refs summary { cursor: pointer; font-size: 12px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase;
  color: var(--olive); opacity: .75; }
.refs summary:hover { opacity: 1; }
.refs ol { margin: 14px 0 0; padding-left: 20px; display: grid; gap: 9px; max-width: 68ch; }
.refs li { font-size: 13px; opacity: .78; line-height: 1.55; }
.refs a { color: var(--leaf); text-decoration: underline; text-underline-offset: 2px; word-break: break-word; }
.refs a:hover { opacity: .85; }

.section-sub { margin: 0 0 16px; }
.section-sub .eyebrow { opacity: .55; }

.ingredients-support .icard { padding: 24px 22px 26px; }
.ingredients-support h3 { font-size: 19px; margin: 10px 0 8px; }
.ingredients-support p { font-size: 14.5px; }
.ingredients-support sup { font-size: 10px; line-height: 0; margin-left: 1px; }
.ingredients-support sup a { color: var(--leaf); text-decoration: none; }
.ingredients-support sup a:hover { text-decoration: underline; }

/* ---------- Editorial two-image ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px,4vw,50px); align-items: center; }
.split-media { border-radius: var(--radius); overflow: hidden; aspect-ratio: 3/4; background: var(--forest); }
.split-media img { width: 100%; height: 100%; object-fit: cover; }
.stack2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.stack2 .split-media { aspect-ratio: 3/4; }
.split h2 { font-size: clamp(30px,4.5vw,56px); text-transform: uppercase; }
.split p { font-size: 17px; opacity: .85; margin: 20px 0 0; max-width: 42ch; }

/* ---------- Ritual / how to use ---------- */
.ritual { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-top: 20px; }
.step { border-top: 2px solid var(--leaf); padding-top: 20px; }
.step .n { font-family: var(--f-head); font-weight: 600; font-size: 14px; letter-spacing: .12em; color: var(--leaf); text-transform: uppercase; }
.step h3 { font-size: 22px; text-transform: uppercase; margin: 10px 0 8px; }
.step p { font-size: 15px; opacity: .82; margin: 0; }

/* ---------- Founder ---------- */
.founder { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(28px,5vw,64px); align-items: center; }
.founder-media { border-radius: var(--radius); overflow: hidden; aspect-ratio: 4/5; background: var(--forest); }
.founder-media img { width:100%; height:100%; object-fit: cover; }
.founder h2 { font-size: clamp(30px,4.5vw,58px); text-transform: uppercase; }
.founder p { font-size: 17px; margin: 20px 0 0; opacity: .88; max-width: 50ch; }
.founder .positioning { font-weight: 600; color: var(--leaf); opacity: 1; }
.founder .sig { margin-top: 24px; font-family: var(--f-head); font-weight: 600; letter-spacing: .02em; }
.founder .sig small { display:block; font-family: var(--f-body); font-weight: 400; font-size: 13px; opacity: .7; letter-spacing: 0; text-transform: none; margin-top: 4px; }

/* ---------- Email capture CTA ---------- */
.cta-band { background: var(--leaf); color: var(--cream); text-align: center; padding: clamp(64px,10vw,120px) 0; }
.cta-band h2 { font-size: clamp(36px,7vw,92px); text-transform: uppercase; letter-spacing: -0.02em; }
.cta-band p { font-size: 18px; max-width: 46ch; margin: 18px auto 32px; opacity: .92; }
.signup { display: flex; gap: 10px; max-width: 480px; margin: 0 auto; }
.signup input { flex: 1; border: 1.5px solid rgba(254,249,243,.5); background: rgba(254,249,243,.1); color: var(--cream);
  border-radius: var(--radius-pill); padding: 15px 22px; font-family: var(--f-body); font-size: 15px; }
.signup input::placeholder { color: rgba(254,249,243,.7); }
.signup input:focus { outline: none; border-color: var(--cream); background: rgba(254,249,243,.16); }
.signup-note { font-size: 12.5px; opacity: .8; margin-top: 14px; }
.signup-ok { margin-top: 18px; font-weight: 600; display: none; }

/* ---------- Footer ---------- */
.site-footer { background: var(--forest-2); color: var(--cream); padding: clamp(56px,8vw,90px) 0 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 30px; }
.site-footer h4 { font-family: var(--f-head); font-size: 13px; letter-spacing: .14em; text-transform: uppercase; opacity: .6; margin: 0 0 16px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.site-footer li a { font-size: 14.5px; opacity: .85; }
.site-footer li a:hover { opacity: 1; color: var(--olive); }
.footer-lead { max-width: 34ch; }
.footer-lead p { font-size: 14.5px; opacity: .8; margin: 16px 0 0; }
.footer-note { display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between;
  border-top: 1px solid var(--line); margin-top: 46px; padding-top: 22px; font-size: 12.5px; opacity: .6; }

/* ---------- Full-bleed image band ---------- */
.band { position: relative; min-height: 62vh; display: flex; align-items: center; color: var(--cream); overflow: hidden; }
.band img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 35%; }
.band::after { content:""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(6,24,15,.8), rgba(6,24,15,.25)); }
.band .wrap { position: relative; z-index: 2; }
.band h2 { font-size: clamp(34px, 6vw, 84px); text-transform: uppercase; letter-spacing: -0.02em; max-width: 18ch; }
.band p { font-size: clamp(16px,2vw,20px); margin-top: 18px; max-width: 40ch; opacity: .9; }

/* ---------- Scroll reveal (progressive enhancement) ---------- */
.js .rv { opacity: 0; transform: translateY(20px); transition: opacity .7s ease, transform .7s ease; }
.js .rv.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .js .rv { opacity: 1; transform: none; transition: none; } }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .pdp, .split, .founder { grid-template-columns: 1fr; }
  .ingredients, .ritual { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .site-header.nav-open .nav-links { display: flex; position: absolute; top: 72px; left: 0; right: 0;
    flex-direction: column; background: var(--forest); padding: 18px var(--gap); gap: 18px; border-bottom: 1px solid var(--line); }
  .split .split-media { margin-bottom: 8px; }
  .founder-media { max-width: 460px; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
  .signup { flex-direction: column; }
  .signup .btn { width: 100%; }
  .nav-cta .btn { padding: 11px 18px; }
}
