:root {
  --ink: #121616;
  --paper: #f4f0e8;
  --copper: #c68054;
  --copper-light: #e3ad83;
  --line: rgba(18, 22, 22, 0.16);
  --serif: Georgia, "Times New Roman", serif;
  --sans: Arial, Helvetica, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
svg { display: block; width: 1.05em; height: 1.05em; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.5; }

.site-header {
  align-items: center; background: rgba(14, 17, 17, 0.9); border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  color: #fff; display: flex; height: 90px; justify-content: space-between; left: 0;
  padding: 0 clamp(24px, 5vw, 76px); position: absolute; right: 0; top: 0; z-index: 10;
}
.brand { align-items: center; display: inline-flex; gap: 13px; }
.brand-mark { display: grid; gap: 3px; height: 30px; transform: skewX(-12deg); width: 28px; }
.brand-mark span { background: var(--copper); display: block; height: 6px; }
.brand-mark span:nth-child(1) { margin-left: 11px; }
.brand-mark span:nth-child(2) { margin-left: 5px; }
.brand-copy { display: grid; line-height: 1; text-transform: uppercase; }
.brand-copy strong { font-size: 12px; letter-spacing: 0.16em; }
.brand-copy > span { font-size: 18px; font-weight: 300; letter-spacing: 0.28em; margin-top: 5px; }
.site-header nav { align-items: center; display: flex; gap: clamp(22px, 3vw, 46px); }
.site-header nav > a { color: rgba(255,255,255,.78); font-size: 12px; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; transition: color .2s ease; }
.site-header nav > a:hover { color: #fff; }
.site-header .nav-contact { align-items: center; border-left: 1px solid rgba(255,255,255,.18); display: flex; gap: 11px; padding-left: clamp(22px,3vw,46px); }

.hero { align-items: center; background: #111515; color: #fff; display: flex; min-height: 790px; overflow: hidden; padding: 150px clamp(24px, 7.4vw, 116px) 95px; position: relative; }
.hero-image { background-image: linear-gradient(90deg, #111515 0%, rgba(17,21,21,.97) 26%, rgba(17,21,21,.43) 67%, rgba(17,21,21,.18) 100%), url('assets/images/hero-peptide.png'); background-position: center right; background-repeat: no-repeat; background-size: cover; inset: 0; opacity: .9; position: absolute; }
.hero-grid { background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px); background-size: 86px 86px; inset: 0; mask-image: linear-gradient(90deg, black, transparent 76%); position: absolute; }
.hero-content { max-width: 850px; position: relative; z-index: 2; }
.eyebrow, .section-kicker { align-items: center; color: var(--copper-light); display: flex; font-size: 11px; font-weight: 700; gap: 13px; letter-spacing: .22em; margin: 0 0 28px; text-transform: uppercase; }
.eyebrow span { background: var(--copper); height: 1px; width: 38px; }
.hero h1 { font-family: var(--serif); font-size: clamp(56px, 7.15vw, 108px); font-weight: 400; letter-spacing: -.045em; line-height: .91; margin: 0; max-width: 900px; }
.hero h1 em { color: var(--copper-light); display: block; font-weight: 400; }
.hero-copy { border-left: 1px solid var(--copper); color: rgba(255,255,255,.72); font-size: 16px; line-height: 1.75; margin: 38px 0 0 5px; max-width: 585px; padding-left: 24px; }
.hero-actions { align-items: center; display: flex; gap: 32px; margin-top: 42px; }
.button { align-items: center; display: inline-flex; font-size: 11px; font-weight: 700; gap: 18px; justify-content: center; letter-spacing: .15em; padding: 18px 24px; text-transform: uppercase; transition: background .2s ease, color .2s ease, transform .2s ease; }
.button:hover { transform: translateY(-2px); }
.button--light { background: #f7f1e8; color: var(--ink); }
.button--light:hover { background: var(--copper-light); }
.button--copper { background: var(--copper); color: #fff; }
.button--copper:hover { background: var(--copper-light); color: var(--ink); }
.text-link { border-bottom: 1px solid rgba(255,255,255,.32); color: rgba(255,255,255,.72); font-size: 12px; letter-spacing: .08em; padding-bottom: 5px; }
.text-link:hover { color: #fff; }
.hero-index { bottom: 34px; color: rgba(255,255,255,.38); display: flex; font-size: 9px; font-weight: 700; justify-content: space-between; left: clamp(24px, 5vw, 76px); letter-spacing: .24em; position: absolute; right: clamp(24px, 5vw, 76px); text-transform: uppercase; }

.signal-strip { background: var(--copper); display: grid; grid-template-columns: repeat(3, 1fr); padding: 0 clamp(24px, 5vw, 76px); }
.signal-strip div { border-right: 1px solid rgba(18,22,22,.19); font-size: 11px; font-weight: 700; letter-spacing: .18em; padding: 22px clamp(14px,3vw,42px); text-transform: uppercase; }
.signal-strip div:first-child { border-left: 1px solid rgba(18,22,22,.19); }
.signal-strip span { color: rgba(18,22,22,.48); margin-right: 18px; }

.section-shell { margin: 0 auto; max-width: 1480px; padding-left: clamp(24px, 7.4vw, 116px); padding-right: clamp(24px, 7.4vw, 116px); }
.approach { display: grid; gap: 30px; grid-template-columns: 1fr 4fr; padding-bottom: clamp(100px,11vw,170px); padding-top: clamp(100px,11vw,170px); }
.section-kicker { color: #8c5b3d; margin-top: 9px; }
.approach-content { display: grid; gap: clamp(50px,8vw,130px); grid-template-columns: minmax(0,1.45fr) minmax(280px,.75fr); }
.approach h2, .platforms h2, .principles h2, .contact h2 { font-family: var(--serif); font-size: clamp(46px,5.5vw,78px); font-weight: 400; letter-spacing: -.04em; line-height: 1.01; margin: 0; }
.approach-copy { border-top: 1px solid var(--line); padding-top: 25px; }
.approach-copy p { color: #555b58; font-family: var(--serif); font-size: 18px; line-height: 1.65; margin: 0 0 22px; }

.platforms { background: var(--ink); color: #fff; padding: clamp(95px,10vw,150px) 0 0; }
.platforms-heading { align-items: end; display: flex; justify-content: space-between; padding-bottom: 60px; }
.section-kicker--light { color: var(--copper-light); }
.platforms-heading > p { color: rgba(255,255,255,.58); font-size: 15px; line-height: 1.7; margin: 0 0 5px; max-width: 380px; }
.platform-grid { display: grid; grid-template-columns: repeat(3,1fr); }
.platform-card { color: #fff; min-height: 610px; overflow: hidden; padding: 34px clamp(26px,3.4vw,54px) 48px; position: relative; }
.platform-card::before { content: ""; inset: 0; opacity: .3; position: absolute; transition: opacity .35s ease, transform .5s ease; }
.platform-card:hover::before { opacity: .48; transform: scale(1.035); }
.platform-card--velisse { background: #49313c; }
.platform-card--velisse::before { background: radial-gradient(circle at 75% 28%, #d5a4b2, transparent 36%), linear-gradient(140deg, transparent 20%, #84566b 100%); }
.platform-card--vellimed { background: #20383d; }
.platform-card--vellimed::before { background: radial-gradient(circle at 70% 25%, #76a2a2, transparent 34%), linear-gradient(145deg, transparent 20%, #315c62 100%); }
.platform-card--peptifuse { background: #57402e; }
.platform-card--peptifuse::before { background: radial-gradient(circle at 75% 25%, #d3a076, transparent 36%), linear-gradient(145deg, transparent 20%, #8a6240 100%); }
.platform-topline, .platform-content { position: relative; z-index: 1; }
.platform-topline { color: rgba(255,255,255,.57); display: flex; font-size: 9px; font-weight: 700; justify-content: space-between; letter-spacing: .18em; text-transform: uppercase; }
.platform-content { margin-top: 200px; }
.platform-content > p:first-child { font-size: 10px; font-weight: 700; letter-spacing: .2em; margin: 0 0 16px; text-transform: uppercase; }
.platform-content h3 { font-family: var(--serif); font-size: clamp(48px,4vw,68px); font-weight: 400; letter-spacing: -.04em; margin: 0; }
.platform-rule { background: rgba(255,255,255,.4); height: 1px; margin: 25px 0; width: 100%; }
.platform-description { color: rgba(255,255,255,.72); font-size: 14px; line-height: 1.7; margin: 0; max-width: 340px; }
.platform-cta { align-items: center; display: flex; font-size: 10px; font-weight: 700; gap: 14px; letter-spacing: .15em; margin-top: 32px; text-transform: uppercase; }

.principles { display: grid; gap: 80px; grid-template-columns: .85fr 1.6fr; padding-bottom: clamp(100px,12vw,180px); padding-top: clamp(100px,12vw,180px); }
.principles h2 { font-size: clamp(45px,5vw,72px); }
.principle-list { border-top: 1px solid var(--line); }
.principle-list article { border-bottom: 1px solid var(--line); display: grid; gap: 36px; grid-template-columns: 42px 1fr; padding: 32px 0; }
.principle-list article > span { color: #976949; font-family: var(--serif); font-size: 15px; }
.principle-list h3 { font-family: var(--serif); font-size: clamp(24px,2.2vw,33px); font-weight: 400; margin: 0 0 10px; }
.principle-list p { color: #606561; font-size: 14px; line-height: 1.65; margin: 0; max-width: 570px; }

.contact { background: #151a19; color: #fff; overflow: hidden; padding: clamp(100px,10vw,155px) 0; position: relative; }
.contact::after { border: 1px solid rgba(255,255,255,.06); border-radius: 50%; content: ""; height: 520px; position: absolute; right: -100px; top: -220px; width: 520px; }
.contact-glow { background: radial-gradient(circle, rgba(198,128,84,.25), transparent 65%); height: 560px; position: absolute; right: -80px; top: -150px; width: 560px; }
.contact-inner { position: relative; z-index: 1; }
.contact h2 { max-width: 760px; }
.contact-inner > p:not(.section-kicker) { color: rgba(255,255,255,.62); line-height: 1.65; margin: 25px 0 35px; max-width: 540px; }

footer { background: #0f1312; color: #fff; padding: 58px clamp(24px,5vw,76px) 28px; }
.footer-main { align-items: center; display: flex; justify-content: space-between; padding-bottom: 55px; }
.brand--footer .brand-mark { transform: skewX(-12deg) scale(.85); }
.footer-links { display: flex; gap: 36px; }
.footer-links a { color: rgba(255,255,255,.64); font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.footer-links a:hover { color: var(--copper-light); }
.footer-legal { border-top: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.35); display: flex; font-size: 9px; justify-content: space-between; letter-spacing: .1em; padding-top: 25px; text-transform: uppercase; }

@media (max-width: 900px) {
  .site-header { height: 78px; }
  .site-header nav > a:not(.nav-contact) { display: none; }
  .site-header .nav-contact { border-left: 0; padding-left: 0; }
  .hero { min-height: 760px; padding-top: 130px; }
  .hero-image { background-image: linear-gradient(90deg, #111515 0%, rgba(17,21,21,.9) 55%, rgba(17,21,21,.38) 100%), url('assets/images/hero-peptide.png'); background-position: 62% center; }
  .approach { grid-template-columns: 1fr; }
  .approach-content { gap: 50px; grid-template-columns: 1fr; }
  .platforms-heading { align-items: start; flex-direction: column; gap: 30px; }
  .platform-grid { grid-template-columns: 1fr; }
  .platform-card { min-height: 500px; }
  .platform-content { margin-top: 135px; }
  .principles { gap: 55px; grid-template-columns: 1fr; }
}

@media (max-width: 580px) {
  .brand-copy strong { font-size: 9px; }
  .brand-copy > span { font-size: 14px; }
  .site-header .nav-contact { font-size: 10px; }
  .hero { min-height: 720px; }
  .hero h1 { font-size: clamp(47px,14vw,66px); }
  .hero-copy { font-size: 14px; line-height: 1.65; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 20px; }
  .signal-strip { grid-template-columns: 1fr; padding: 0; }
  .signal-strip div, .signal-strip div:first-child { border-bottom: 1px solid rgba(18,22,22,.19); border-left: 0; border-right: 0; padding: 17px 24px; }
  .approach { padding-bottom: 90px; padding-top: 90px; }
  .platform-card { min-height: 480px; }
  .footer-main { align-items: flex-start; flex-direction: column; gap: 38px; }
  .footer-links { flex-wrap: wrap; gap: 18px 28px; }
  .footer-legal { flex-direction: column; gap: 13px; line-height: 1.5; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}