/* ============================================================
   Dermedical Skin Sciences — clinical-luxury design system
   ============================================================ */
:root{
  --ink:#13171e;          /* near-black navy — dark sections, headings */
  --ink-2:#1b212b;
  --paper:#ffffff;
  --cream:#faf8f4;        /* warm off-white section bg */
  --cream-2:#f3efe7;
  --gold:#c6a256;         /* primary accent — from the logo swoosh */
  --gold-deep:#a9863f;
  --gold-soft:#e6d4a6;
  --silver:#c3c7ce;
  --text:#23282f;
  --muted:#6b7280;
  --muted-light:#9aa1ab;
  --line:rgba(19,23,30,.10);
  --line-light:rgba(255,255,255,.12);
  --shadow:0 18px 50px -20px rgba(19,23,30,.28);
  --shadow-sm:0 8px 24px -12px rgba(19,23,30,.2);
  --maxw:1180px;
  --r:14px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Open Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  color:var(--text);
  background:var(--paper);
  font-size:17px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{
  font-family:"Cormorant Garamond",Georgia,serif;
  font-weight:600;
  line-height:1.12;
  letter-spacing:.2px;
  color:var(--ink);
  margin:0 0 .5em;
}
h1{font-size:clamp(2.7rem,6vw,4.6rem);font-weight:500}
h2{font-size:clamp(2.1rem,4.2vw,3.2rem)}
h3{font-size:1.5rem}
p{margin:0 0 1rem}

/* layout helpers */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:clamp(64px,9vw,120px) 0}
.eyebrow{
  font-family:"Open Sans",sans-serif;
  font-size:.72rem;font-weight:700;letter-spacing:.28em;
  text-transform:uppercase;color:var(--gold-deep);
  display:inline-block;margin-bottom:1.1rem;
}
.lede{font-size:1.12rem;color:var(--muted);max-width:60ch}
.center{text-align:center;margin-inline:auto}

/* buttons */
.btn{
  display:inline-flex;align-items:center;gap:.6em;
  font-family:"Open Sans",sans-serif;font-weight:600;font-size:.92rem;
  letter-spacing:.04em;
  padding:.95em 1.9em;border-radius:999px;cursor:pointer;border:1px solid transparent;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s,color .25s;
}
.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold-deep));color:#fff;box-shadow:0 10px 26px -10px rgba(169,134,63,.65)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 34px -10px rgba(169,134,63,.7)}
.btn-ghost{border-color:var(--line);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold-deep)}
.btn-outline-light{border-color:rgba(255,255,255,.35);color:#fff}
.btn-outline-light:hover{background:#fff;color:var(--ink)}

/* ---------- top warning bar ---------- */
.alert-bar{
  background:linear-gradient(90deg,#7a1420,#a31d2c);
  color:#fff;font-size:.82rem;text-align:center;
  padding:.55rem 24px;letter-spacing:.01em;
}
.alert-bar strong{font-weight:700;letter-spacing:.04em}
.alert-bar a{color:#ffe2a8;text-decoration:underline;text-underline-offset:2px;font-weight:600}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(19,23,30,.78);backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid var(--line-light);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:74px}
.brand img{height:42px;width:auto}
.nav-links{display:flex;align-items:center;gap:30px;list-style:none;margin:0;padding:0}
.nav-links a{
  color:rgba(255,255,255,.84);font-size:.9rem;font-weight:500;letter-spacing:.02em;
  position:relative;padding:4px 0;transition:color .2s;
}
.nav-links a:hover{color:#fff}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;height:1.5px;width:0;background:var(--gold);transition:width .25s var(--ease)}
.nav-links a:hover::after{width:100%}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:24px;height:2px;background:#fff;margin:5px 0;transition:.3s}

/* ---------- hero ---------- */
.hero{
  position:relative;background:var(--ink);color:#fff;overflow:hidden;
  padding:clamp(70px,9vw,120px) 0 clamp(80px,10vw,130px);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(120% 90% at 85% 15%,rgba(198,162,86,.18),transparent 55%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{color:#fff}
.hero h1 em{font-style:italic;color:var(--gold-soft)}
.hero p{color:rgba(255,255,255,.74);font-size:1.15rem;max-width:48ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:2rem}
.hero-media{position:relative}
.hero-media img{border-radius:20px;box-shadow:0 40px 80px -30px rgba(0,0,0,.7);aspect-ratio:1/1;object-fit:cover}
.hero-badge{
  position:absolute;left:-18px;bottom:26px;background:rgba(19,23,30,.85);
  border:1px solid var(--line-light);backdrop-filter:blur(8px);
  padding:14px 20px;border-radius:14px;display:flex;align-items:center;gap:12px;
}
.hero-badge .dot{width:10px;height:10px;border-radius:50%;background:#37d39b;box-shadow:0 0 0 4px rgba(55,211,155,.18)}
.hero-badge b{font-family:"Cormorant Garamond",serif;font-size:1.3rem;color:#fff;display:block;line-height:1}
.hero-badge small{color:var(--muted-light);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase}

/* ---------- intro strip ---------- */
.intro{background:var(--cream)}
.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}

/* ---------- stats ---------- */
.stats{background:var(--ink-2);color:#fff}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center}
.stat .num{font-family:"Cormorant Garamond",serif;font-size:clamp(2.6rem,5vw,3.6rem);font-weight:600;color:var(--gold-soft);line-height:1}
.stat .lbl{color:rgba(255,255,255,.66);font-size:.86rem;margin-top:.5rem;letter-spacing:.02em}
.stat+.stat{border-left:1px solid var(--line-light)}

/* ---------- value pillars ---------- */
.pillars-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:3rem}
.pillar{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r);
  padding:36px 30px;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s;
}
.pillar:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.pillar .ico{
  width:54px;height:54px;border-radius:14px;display:grid;place-items:center;margin-bottom:18px;
  background:linear-gradient(135deg,var(--cream-2),#fff);border:1px solid var(--line);color:var(--gold-deep);
}
.pillar .ico svg{width:26px;height:26px}
.pillar h3{margin-bottom:.4rem}
.pillar p{color:var(--muted);font-size:.98rem;margin:0}

/* ---------- products ---------- */
.products{background:var(--cream)}
.product-card{
  display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;
  background:var(--paper);border:1px solid var(--line);border-radius:24px;overflow:hidden;
  box-shadow:var(--shadow-sm);
}
.product-card .pc-media{background:linear-gradient(135deg,#eef1f6,#dfe5ee);padding:40px;display:grid;place-items:center}
.product-card .pc-media img{border-radius:12px;box-shadow:var(--shadow-sm)}
.product-card .pc-body{padding:44px 44px 44px 0}
.product-tag{display:inline-block;background:var(--cream-2);color:var(--gold-deep);font-size:.74rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;padding:.4em 1em;border-radius:999px;margin-bottom:1rem}
.feature-list{list-style:none;margin:1.4rem 0;padding:0;display:grid;gap:.7rem}
.feature-list li{display:flex;gap:.7rem;align-items:flex-start;font-size:.98rem;color:var(--text)}
.feature-list svg{flex:0 0 auto;width:20px;height:20px;color:var(--gold-deep);margin-top:3px}

/* ---------- partners strip ---------- */
.partners{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.partners .wrap{padding-top:46px;padding-bottom:46px}
.partners-row{display:flex;align-items:center;justify-content:center;gap:54px;flex-wrap:wrap;opacity:.7}
.partners-row img{height:40px;width:auto;filter:grayscale(1)}

/* ---------- testimonials ---------- */
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:3rem}
.review{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:30px;
  display:flex;flex-direction:column;gap:14px;transition:box-shadow .3s,transform .3s var(--ease)}
.review:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.stars{color:var(--gold);letter-spacing:3px;font-size:.95rem}
.review p{font-size:.98rem;color:var(--text);margin:0;flex:1}
.reviewer{display:flex;align-items:center;gap:12px;margin-top:6px}
.reviewer .av{width:42px;height:42px;border-radius:50%;object-fit:cover;background:var(--cream-2)}
.reviewer b{display:block;font-size:.92rem}
.reviewer span{font-size:.78rem;color:var(--muted-light)}

/* ---------- FAQ ---------- */
.faq{background:var(--cream)}
.faq-list{max-width:820px;margin:3rem auto 0}
.faq-item{background:var(--paper);border:1px solid var(--line);border-radius:12px;margin-bottom:14px;overflow:hidden}
.faq-item summary{
  list-style:none;cursor:pointer;padding:22px 26px;font-family:"Cormorant Garamond",serif;
  font-size:1.3rem;font-weight:600;color:var(--ink);display:flex;justify-content:space-between;align-items:center;gap:20px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .pm{flex:0 0 auto;width:26px;height:26px;position:relative;transition:transform .3s}
.faq-item summary .pm::before,.faq-item summary .pm::after{content:"";position:absolute;background:var(--gold-deep);border-radius:2px}
.faq-item summary .pm::before{top:12px;left:4px;width:18px;height:2px}
.faq-item summary .pm::after{top:4px;left:12px;width:2px;height:18px;transition:transform .3s}
.faq-item[open] summary .pm::after{transform:scaleY(0)}
.faq-item .ans{padding:0 26px 22px;color:var(--muted);font-size:1rem}

/* ---------- CTA ---------- */
.cta{position:relative;background:var(--ink);color:#fff;overflow:hidden;text-align:center}
.cta::before{content:"";position:absolute;inset:0;background:radial-gradient(80% 120% at 50% 0%,rgba(198,162,86,.22),transparent 60%)}
.cta .wrap{position:relative}
.cta h2{color:#fff}
.cta p{color:rgba(255,255,255,.72);max-width:46ch;margin-inline:auto}

/* ---------- footer ---------- */
.footer{background:#0e1219;color:rgba(255,255,255,.7);padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:48px}
.footer img.flogo{height:46px;margin-bottom:18px}
.footer h4{color:#fff;font-family:"Open Sans",sans-serif;font-size:.82rem;letter-spacing:.16em;text-transform:uppercase;font-weight:700;margin-bottom:1.2rem}
.footer ul{list-style:none;margin:0;padding:0;display:grid;gap:.6rem}
.footer a:hover{color:var(--gold-soft)}
.footer .contact-line{display:flex;gap:.6rem;font-size:.92rem;margin-bottom:.6rem}
.footer-note{font-size:.92rem;color:rgba(255,255,255,.55);max-width:46ch}
.footer-bottom{border-top:1px solid var(--line-light);margin-top:54px;padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.82rem;color:rgba(255,255,255,.5)}

/* warning box (footer / alert page) */
.warning-box{
  background:rgba(163,29,44,.08);border:1px solid rgba(163,29,44,.3);border-radius:12px;
  padding:26px 28px;margin-top:46px;color:rgba(255,255,255,.78);font-size:.9rem}
.warning-box h4{color:#ff9aa6}
.warning-box b{color:#ffd0a8}

/* ---------- reveal animation ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* ---------- responsive ---------- */
@media (max-width:920px){
  .hero-grid,.intro-grid,.product-card{grid-template-columns:1fr}
  .product-card .pc-body{padding:0 36px 40px}
  .pillars-grid,.reviews-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:680px){
  body{font-size:16px}
  .nav-links{
    position:fixed;inset:74px 0 auto 0;flex-direction:column;gap:0;
    background:rgba(19,23,30,.98);backdrop-filter:blur(14px);
    padding:8px 0;border-bottom:1px solid var(--line-light);
    transform:translateY(-120%);transition:transform .35s var(--ease);
  }
  .nav-links.open{transform:none}
  .nav-links li{width:100%;text-align:center}
  .nav-links a{display:block;padding:14px 0}
  .nav-toggle{display:block}
  .stats-grid{grid-template-columns:1fr 1fr;gap:34px 20px}
  .stat+.stat{border-left:0}
  .pillars-grid,.reviews-grid,.footer-grid{grid-template-columns:1fr}
  .hero-badge{left:14px}
}