/* =========================================================
   Nutroderma Remedies — Design System
   Display: Fraunces (warm, botanical serif)
   Body:    Inter (clean clinical sans)
   ========================================================= */

:root{
  --teal-deep:   #0F3B40;
  --teal:        #1B6E78;
  --teal-mid:    #2C8A93;
  --teal-light:  #E7F3F2;
  --green:       #3E9B5C;
  --green-light: #EBF6EE;
  --gold:        #B8863C;
  --paper:       #FBFBF8;
  --paper-dim:   #F4F6F4;
  --ink:         #14211F;
  --ink-soft:    #45524F;
  --gray:        #6B7773;
  --gray-line:   #E2E7E4;
  --white:       #FFFFFF;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --container: 1180px;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-soft: 0 2px 8px rgba(15,59,64,0.06), 0 12px 32px rgba(15,59,64,0.06);
  --shadow-card: 0 1px 3px rgba(15,59,64,0.08);
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4,h5{
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--teal-deep);
  line-height: 1.18;
  margin: 0 0 .5em;
  letter-spacing: -0.01em;
}
h1{ font-size: clamp(2.2rem, 3.6vw, 3.4rem); font-weight: 460; }
h2{ font-size: clamp(1.7rem, 2.6vw, 2.35rem); }
h3{ font-size: clamp(1.25rem, 1.7vw, 1.5rem); }
p{ margin: 0 0 1em; color: var(--ink-soft); }
.container{ max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* Focus visibility */
a:focus-visible, button:focus-visible{
  outline: 2px solid var(--teal-mid);
  outline-offset: 3px;
}
@media (prefers-reduced-motion: reduce){
  *{ animation: none !important; transition: none !important; }
}

/* ---------------- Top notice bar ---------------- */
.notice-bar{
  background: var(--teal-deep);
  color: #CFE9E4;
  text-align: center;
  padding: 9px 16px;
  font-size: .8rem;
  letter-spacing: .05em;
  font-weight: 500;
}
.notice-bar em{ font-style: italic; color: #EAF6F0; }

/* ---------------- Header ---------------- */
.site-header{
  background: var(--white);
  border-bottom: 1px solid var(--gray-line);
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header .container{
  display:flex;
  align-items:center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
  gap: 24px;
}
.brand{ display:flex; align-items:center; gap:10px; }
.brand img{ height: 46px; width:auto; }
.brand-text{ font-family: var(--font-display); font-size: 1.05rem; color: var(--teal-deep); line-height:1.1; }
.brand-text small{ display:block; font-family: var(--font-body); font-size: .62rem; letter-spacing: .12em; color: var(--green); font-weight:600; text-transform: uppercase; margin-top:2px; }

.main-nav ul{ display:flex; align-items:center; gap: 6px; }
.main-nav a{
  display:block;
  padding: 9px 16px;
  border-radius: 100px;
  font-size: .93rem;
  font-weight: 500;
  color: var(--ink-soft);
  transition: background .15s ease, color .15s ease;
}
.main-nav a:hover{ background: var(--teal-light); color: var(--teal-deep); }
.main-nav a.is-active{ background: var(--teal-deep); color: #fff; }

.nav-toggle{
  display:none;
  background:none; border:0; cursor:pointer;
  width:40px; height:40px; padding:8px; border-radius:8px;
}
.nav-toggle span{ display:block; height:2px; background: var(--teal-deep); margin:5px 0; border-radius:2px; }
.nav-toggle:hover{ background: var(--paper-dim); }

/* ---------------- Buttons ---------------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding: 13px 28px;
  border-radius: 100px;
  font-weight: 600;
  font-size: .92rem;
  letter-spacing: .01em;
  cursor:pointer;
  border: 1px solid transparent;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
}
.btn-primary{ background: var(--teal-deep); color: #fff; }
.btn-primary:hover{ background: var(--teal); box-shadow: var(--shadow-soft); transform: translateY(-1px); }
.btn-outline{ background: transparent; color: var(--teal-deep); border-color: var(--teal-deep); }
.btn-outline:hover{ background: var(--teal-deep); color: #fff; }
.btn-ghost{ background: var(--white); color: var(--teal-deep); border-color: var(--gray-line); }
.btn-ghost:hover{ border-color: var(--teal-deep); }
.btn-row{ display:flex; flex-wrap: wrap; gap: 14px; }

/* ---------------- Eyebrow / labels ---------------- */
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-size: .72rem; font-weight:700; letter-spacing:.16em; text-transform:uppercase;
  color: var(--green);
  margin-bottom: 14px;
}
.eyebrow::before{
  content:"";
  width: 22px; height: 1px; background: var(--green);
}

/* ---------------- Hero ---------------- */
.hero{
  padding: 88px 0 76px;
  background:
    radial-gradient(1100px 480px at 50% -180px, var(--teal-light), transparent 65%),
    var(--paper);
  position: relative;
  overflow: hidden;
}
.hero .container{
  text-align:center;
  max-width: 860px;
  display:flex;
  flex-direction: column;
  align-items:center;
}
.hero .eyebrow{ margin-left:auto; margin-right:auto; }
.hero h1{ margin-bottom: .4em; }
.hero .lede{
  font-size: 1.12rem;
  color: var(--ink-soft);
  max-width: 640px;
  margin: 0 auto 30px;
}
.hero-sub{
  font-family: var(--font-display);
  font-style: italic;
  color: var(--teal);
  font-size: 1.3rem;
  margin-top: 6px;
}
.hero-motif{
  position:absolute; inset:0; pointer-events:none; opacity:.5;
}

/* ---------------- Sections ---------------- */
section{ padding: 76px 0; }
.section-head{ max-width: 680px; margin: 0 auto 44px; text-align:center; }
.section-head.is-left{ margin-left:0; text-align:left; }
.bg-tint{ background: var(--teal-light); }
.bg-dim{ background: var(--paper-dim); }
.bg-deep{ background: var(--teal-deep); color: #EAF3F1; }
.bg-deep h2, .bg-deep h3{ color: #fff; }
.bg-deep p{ color: #BFDAD6; }

/* ---------------- Card grids ---------------- */
.grid{ display:grid; gap: 26px; }
.grid-4{ grid-template-columns: repeat(4, 1fr); }
.grid-3{ grid-template-columns: repeat(3, 1fr); }
.grid-2{ grid-template-columns: repeat(2, 1fr); }

.value-card{
  background: var(--white);
  border: 1px solid var(--gray-line);
  border-radius: var(--radius);
  padding: 30px 26px;
  box-shadow: var(--shadow-card);
}
.value-card .num{
  font-family: var(--font-display);
  font-size: .85rem;
  color: var(--green);
  font-weight: 600;
  margin-bottom: 14px;
  letter-spacing: .04em;
}
.value-card h3{ margin-bottom: 10px; font-size: 1.15rem; }
.value-card p{ font-size: .93rem; margin-bottom: 0; }

.focus-card{
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--gray-line);
  box-shadow: var(--shadow-card);
}
.focus-card .img-wrap{ aspect-ratio: 4/3; overflow:hidden; background:var(--paper-dim); }
.focus-card img{ width:100%; height:100%; object-fit: cover; transition: transform .4s ease; }
.focus-card:hover img{ transform: scale(1.05); }
.focus-card .body{ padding: 18px 20px 22px; }
.focus-card .tag{ font-size:.72rem; font-weight:700; letter-spacing:.1em; text-transform:uppercase; color:var(--green); }
.focus-card h3{ margin: 6px 0 0; font-size: 1.05rem; }

/* ---------------- About / mission blocks ---------------- */
.split{
  display:grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items:center;
}
.split.reverse .split-media{ order:2; }
.split-media img{ border-radius: var(--radius); box-shadow: var(--shadow-soft); }
.pull-quote{
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.5rem;
  color: var(--teal-deep);
  border-left: 3px solid var(--green);
  padding-left: 22px;
  margin: 0 auto;
  max-width: 700px;
  text-align:left;
}

.check-list li{
  display:flex; gap:12px; align-items:flex-start;
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-line);
  color: var(--ink-soft);
}
.check-list li:last-child{ border-bottom:none; }
.check-list .dot{
  flex: none;
  width: 22px; height:22px; border-radius:50%;
  background: var(--green-light);
  color: var(--green);
  display:flex; align-items:center; justify-content:center;
  font-size: .75rem; font-weight:700;
  margin-top: 2px;
}

/* ---------------- Science / mechanism cards ---------------- */
.science-grid{ grid-template-columns: repeat(2,1fr); }
.science-card{
  background: var(--white); border:1px solid var(--gray-line); border-radius: var(--radius);
  padding: 26px;
}
.science-card h4{ font-family: var(--font-body); font-weight:700; color: var(--teal-deep); margin: 0 0 6px; font-size: 1rem; }
.science-card p{ font-size: .93rem; margin-bottom:0; }

/* ---------------- Products listing ---------------- */
.product-card{
  background: var(--white);
  border: 1px solid var(--gray-line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  display:flex; flex-direction:column;
  transition: box-shadow .2s ease, transform .2s ease;
}
.product-card:hover{ box-shadow: var(--shadow-soft); transform: translateY(-3px); }
.product-card .thumb{ aspect-ratio: 4/3; background: var(--paper-dim); display:flex; align-items:center; justify-content:center; overflow:hidden; }
.product-card .thumb img{ width:100%; height:100%; object-fit:contain; padding: 18px; }
.product-card .body{ padding: 20px 22px 24px; display:flex; flex-direction:column; gap:8px; flex:1; }
.product-card .rx{ font-size:.68rem; font-weight:700; letter-spacing:.1em; color: var(--gold); text-transform:uppercase; }
.product-card h3{ font-size: 1.2rem; margin:0; }
.product-card .composition{ font-size: .85rem; color: var(--gray); margin-bottom: 6px; }
.product-card .desc{ font-size: .9rem; flex:1; }
.product-card .btn{ align-self:flex-start; margin-top: 6px; padding: 10px 22px; font-size: .85rem; }

/* ---------------- Product detail page ---------------- */
.product-hero{ padding: 44px 0 20px; }
.breadcrumb{ font-size: .82rem; color: var(--gray); margin-bottom: 26px; display:flex; gap:8px; flex-wrap:wrap; }
.breadcrumb a{ color: var(--teal); }
.breadcrumb .sep{ color: var(--gray-line); }

.product-top{ display:grid; grid-template-columns: 460px 1fr; gap: 56px; align-items:flex-start; }
.product-gallery{ position:sticky; top: 96px; }
.product-gallery .main-img{
  border: 1px solid var(--gray-line); border-radius: var(--radius);
  background: var(--white);
  aspect-ratio: 4/3; display:flex; align-items:center; justify-content:center; overflow:hidden;
  box-shadow: var(--shadow-card);
}
.product-gallery .main-img img{ width:100%; height:100%; object-fit:contain; padding: 20px; }
.product-gallery .thumbs{ display:flex; gap:10px; margin-top: 12px; }
.product-gallery .thumbs button{
  border:1px solid var(--gray-line); background:#fff; border-radius: var(--radius-sm);
  padding:0; width: 76px; height:76px; overflow:hidden; cursor:pointer;
}
.product-gallery .thumbs button img{ width:100%; height:100%; object-fit:contain; padding:6px; }
.product-gallery .thumbs button.is-active{ border-color: var(--teal); }

.product-info .rx-badge{
  display:inline-block; background: var(--green-light); color: var(--green);
  font-size:.72rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase;
  padding: 5px 12px; border-radius: 100px; margin-bottom: 14px;
}
.product-info h1{ margin-bottom: 6px; font-size: clamp(1.9rem, 3vw, 2.6rem); }
.product-info .molecule-line{ color: var(--teal); font-weight:600; font-size:1.02rem; margin-bottom: 18px; }
.product-info .lede{ font-size: 1.02rem; }
.product-info .btn-row{ margin-top: 18px; margin-bottom: 8px; }

.spec-table{ width:100%; border-collapse: collapse; margin-top: 6px; }
.spec-table tr{ border-bottom: 1px solid var(--gray-line); }
.spec-table tr:last-child{ border-bottom:none; }
.spec-table td{ padding: 10px 0; font-size: .92rem; vertical-align: top; }
.spec-table td:first-child{ color: var(--gray); width: 40%; font-weight:600; }
.spec-table td:last-child{ color: var(--ink-soft); }

.benefit-list{ display:grid; gap: 14px; margin-top: 8px; }
.benefit-item{ display:flex; gap:14px; align-items:flex-start; }
.benefit-item .mark{
  flex:none; width:28px; height:28px; border-radius:50%;
  background: var(--teal-light); color: var(--teal-deep);
  display:flex; align-items:center; justify-content:center; font-size:.85rem; font-weight:700;
}
.benefit-item strong{ color: var(--teal-deep); }
.benefit-item p{ margin: 2px 0 0; font-size: .92rem; }

.tabs-nav{ display:flex; gap: 4px; border-bottom: 1px solid var(--gray-line); margin-bottom: 30px; flex-wrap: wrap; }
.product-section{ padding: 56px 0; border-top: 1px solid var(--gray-line); }
.product-section:first-of-type{ border-top:none; }
.product-section h2{ margin-bottom: 22px; }

.precaution-box{
  background: var(--paper-dim); border:1px solid var(--gray-line); border-radius: var(--radius);
  padding: 24px 26px;
}
.precaution-box li{ position:relative; padding-left: 20px; margin-bottom:10px; font-size:.92rem; color: var(--ink-soft); }
.precaution-box li::before{ content:"—"; position:absolute; left:0; color: var(--gold); }
.precaution-box li:last-child{ margin-bottom:0; }

.rx-footer-note{
  margin-top: 40px;
  border: 1px dashed var(--gray-line);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  font-size: .82rem;
  color: var(--gray);
}
.rx-footer-note strong{ color: var(--ink); }

/* ---------------- Focus areas mini (home) ---------------- */
.focus-strip{ grid-template-columns: repeat(4,1fr); }

/* ---------------- CTA band ---------------- */
.cta-band{
  background: var(--teal-deep);
  border-radius: var(--radius);
  padding: 56px 48px;
  text-align:center;
  color:#fff;
}
.cta-band h2{ color:#fff; margin-bottom: 10px; }
.cta-band p{ color:#BFDAD6; max-width:560px; margin: 0 auto 26px; }
.cta-band .btn-row{ justify-content:center; }
.cta-band .btn-outline{ color:#fff; border-color: rgba(255,255,255,.5); }
.cta-band .btn-outline:hover{ background:#fff; color: var(--teal-deep); }

/* ---------------- Footer ---------------- */
.site-footer{ background: var(--teal-deep); color: #BFDAD6; }
.footer-top{ padding: 64px 0 40px; }
.footer-grid{
  display:grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
}
.footer-brand img{ height: 42px; margin-bottom: 14px; filter: brightness(0) invert(1); }
.footer-brand p{ color: #9FC4BE; font-size: .88rem; max-width: 280px; }
.footer-col h4{
  color:#fff; font-family: var(--font-body); font-weight:700; font-size:.82rem;
  text-transform:uppercase; letter-spacing:.08em; margin-bottom: 16px;
}
.footer-col li{ margin-bottom: 10px; font-size: .9rem; }
.footer-col a{ color:#BFDAD6; transition: color .15s ease; }
.footer-col a:hover{ color:#fff; }
.footer-badge{
  display:inline-flex; align-items:center; gap:8px;
  border:1px solid rgba(255,255,255,.18); border-radius:100px;
  padding: 6px 14px; font-size:.78rem; color:#EAF6F0; margin-top: 6px;
}
.footer-bottom{
  border-top: 1px solid rgba(255,255,255,.12);
  padding: 20px 0;
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:10px;
  font-size: .8rem; color: #8FB6AF;
}

/* ---------------- Utilities ---------------- */
.text-center{ text-align:center; }
.mt-0{ margin-top:0; }
.mb-0{ margin-bottom:0; }

/* ---------------- Responsive ---------------- */
@media (max-width: 980px){
  .grid-4{ grid-template-columns: repeat(2,1fr); }
  .grid-3{ grid-template-columns: repeat(2,1fr); }
  .science-grid{ grid-template-columns: 1fr; }
  .split{ grid-template-columns: 1fr; gap: 32px; }
  .split.reverse .split-media{ order:0; }
  .product-top{ grid-template-columns: 1fr; }
  .product-gallery{ position:static; max-width: 460px; margin: 0 auto; }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px){
  .main-nav{
    position:absolute; top:100%; left:0; right:0;
    background:#fff; border-bottom:1px solid var(--gray-line);
    box-shadow: var(--shadow-soft);
    max-height:0; overflow:hidden; transition: max-height .25s ease;
  }
  .main-nav.is-open{ max-height: 400px; }
  .main-nav ul{ flex-direction:column; align-items:stretch; padding: 10px 20px 20px; gap:2px; }
  .main-nav a{ padding: 12px 14px; }
  .nav-toggle{ display:block; }
  .grid-4, .grid-3, .grid-2{ grid-template-columns: 1fr; }
  section{ padding: 52px 0; }
  .hero{ padding: 56px 0 48px; }
  .cta-band{ padding: 40px 24px; }
  .footer-grid{ grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom{ flex-direction:column; align-items:flex-start; }
}