/* ============================================================
   Dermedical Skin Sciences — DARK theme (mirrors reference)
   palette: near-black navy + olive/gold bands + blue CTAs
   ============================================================ */
:root{
  --bg:#0d1017;            /* page background */
  --bg-2:#11151f;          /* alt section */
  --bg-3:#161b26;          /* deeper panel */
  --card:#171c28;          /* card surface */
  --card-2:#1c2230;        /* card hover */
  --olive:#5c5a0d;         /* top bar + stats band */
  --olive-2:#86811a;       /* olive highlight */
  --gold:#c9a44e;          /* primary gold accent */
  --gold-bright:#e7c873;   /* bright gold (droplet, numbers) */
  --silver:#cdd1d8;
  --blue:#445fe0;          /* primary CTA */
  --blue-hover:#3a52d0;
  --text:rgba(255,255,255,.92);
  --muted:rgba(255,255,255,.58);
  --muted-2:rgba(255,255,255,.42);
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.14);
  --shadow:0 24px 60px -24px rgba(0,0,0,.7);
  --maxw:1200px;
  --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;background:var(--bg);color:var(--text);
  font-family:"Open Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  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;color:#fff;margin:0 0 .5em}
h1{font-size:clamp(2.4rem,5.4vw,4rem);font-weight:600}
h2{font-size:clamp(2rem,4vw,3rem)}
h3{font-size:1.45rem}
p{margin:0 0 1rem}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:clamp(60px,8vw,108px) 0}
.eyebrow{font-family:"Open Sans",sans-serif;font-size:.72rem;font-weight:700;letter-spacing:.26em;text-transform:uppercase;color:var(--gold-bright);display:inline-block;margin-bottom:1rem}
.lede{font-size:1.1rem;color:var(--muted);max-width:60ch}
.center{text-align:center;margin-inline:auto}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55em;font-family:"Open Sans",sans-serif;font-weight:600;font-size:.9rem;letter-spacing:.03em;padding:.85em 1.7em;border-radius:8px;cursor:pointer;border:1px solid transparent;transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s,color .22s}
.btn-blue{background:var(--blue);color:#fff;box-shadow:0 10px 26px -12px rgba(68,95,224,.8)}
.btn-blue:hover{background:var(--blue-hover);transform:translateY(-2px)}
.btn-gold{background:linear-gradient(135deg,var(--gold-bright),var(--gold));color:#231b06;font-weight:700}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 30px -12px rgba(201,164,78,.6)}
.btn-ghost{border-color:var(--line-2);color:#fff;background:transparent}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold-bright)}

/* ---------- top olive bar ---------- */
.alert-bar{background:var(--olive);color:rgba(255,255,255,.92);font-size:.86rem;padding:.7rem 0}
.alert-bar .wrap{display:flex;align-items:center;justify-content:space-between;gap:30px}
.alert-bar .warn{max-width:52%;line-height:1.5}
.alert-bar .warn strong{font-weight:800;letter-spacing:.02em}
.alert-bar .warn a{color:#ffe9a8;text-decoration:underline;text-underline-offset:2px;font-weight:600}
.alert-bar .meta{display:flex;flex-direction:column;align-items:flex-end;gap:5px;color:rgba(255,255,255,.85);text-align:right}
.alert-bar .meta-row{display:flex;gap:24px}
.alert-bar .meta span{display:inline-flex;align-items:center;gap:7px;white-space:nowrap}
@media(max-width:860px){.alert-bar .wrap{flex-direction:column;align-items:flex-start;gap:8px}.alert-bar .warn{max-width:100%}.alert-bar .meta{align-items:flex-start;text-align:left}.alert-bar .meta-row{flex-wrap:wrap;gap:5px 18px}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(13,16,23,.9);backdrop-filter:saturate(160%) blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:82px}
.brand img{height:50px;width:auto}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none;margin:0;padding:0}
.nav-links a{color:rgba(255,255,255,.82);font-size:.88rem;font-weight:500;position:relative;padding:4px 0;transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--gold-bright)}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-3px;height:1.5px;width:0;background:var(--gold);transition:width .25s var(--ease)}
.nav-links a:hover::after,.nav-links a.active::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:var(--gold-bright);margin:5px 0;transition:.3s}

/* ---------- validate hero ---------- */
.hero{position:relative;text-align:center;overflow:hidden;
  background:#05070c url("/assets/img/swirl.webp") center/cover no-repeat;
  padding:clamp(70px,10vw,130px) 0 clamp(80px,11vw,140px)}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(120% 80% at 50% 40%,rgba(5,7,12,.35),rgba(5,7,12,.82) 80%)}
.hero .wrap{position:relative;max-width:920px}
.hero h1{font-family:"Poppins",-apple-system,BlinkMacSystemFont,sans-serif;font-weight:800;font-size:clamp(2.2rem,5.2vw,4rem);line-height:1.12;letter-spacing:-.01em;margin-bottom:1.5rem;text-shadow:0 4px 30px rgba(0,0,0,.6)}
.hero h1 .gold{color:var(--gold-bright);font-style:normal}
.hero .droplet{font-size:2.4rem;margin:.2rem 0 1.2rem;filter:drop-shadow(0 6px 14px rgba(231,200,115,.4))}
.hero .sub{color:rgba(255,255,255,.78);font-size:1.02rem;margin-bottom:1.4rem}
.hero .sub b{color:#fff}
.validate-form{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;max-width:560px;margin:0 auto}
.validate-form input{flex:1;min-width:240px;padding:.95em 1.2em;border-radius:8px;border:1px solid var(--line-2);background:rgba(255,255,255,.96);color:#1a1f2b;font-size:1rem;outline:none}
.validate-form input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(68,95,224,.3)}
.hero .check-hint{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:.86rem;margin-bottom:1.8rem}
.hero .check-hint svg{width:18px;height:18px;color:var(--gold-bright)}
#vresult{margin-top:1.3rem;min-height:24px;font-size:.92rem}

/* ---------- 3 feature cards ---------- */
.cards3{background:var(--bg-2)}
.cards3-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:-70px;position:relative;z-index:5}
.fcard{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:34px 30px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:14px;transition:transform .3s var(--ease),border-color .3s,box-shadow .3s}
.fcard:hover{transform:translateY(-6px);border-color:rgba(201,164,78,.4);box-shadow:var(--shadow)}
.fcard .fc-media{height:64px;display:grid;place-items:center}
.fcard .fc-media img{height:54px;width:auto}
.fcard .fc-ico{width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:rgba(201,164,78,.12);color:var(--gold-bright)}
.fcard .fc-ico svg{width:28px;height:28px}
.fcard h3{margin:0}
.fcard p{color:var(--muted);font-size:.95rem;margin:0;flex:1}

/* ---------- stats (olive/gold band) ---------- */
.stats{background:linear-gradient(100deg,#4d4b0b,#6f6b14 55%,#8a811c)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat .num{font-family:"Cormorant Garamond",serif;font-size:clamp(2.6rem,5vw,3.6rem);font-weight:700;color:#fff;line-height:1}
.stat .lbl{color:rgba(255,255,255,.8);font-size:.84rem;margin-top:.5rem}
.stat+.stat{border-left:1px solid rgba(255,255,255,.16)}

/* ---------- value pillars ---------- */
.pillars-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:2.6rem}
.pillar{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:32px 28px;transition:transform .3s var(--ease),border-color .3s,box-shadow .3s}
.pillar:hover{transform:translateY(-6px);border-color:rgba(201,164,78,.35);box-shadow:var(--shadow)}
.pillar .ico{width:52px;height:52px;border-radius:13px;display:grid;place-items:center;margin-bottom:16px;background:rgba(201,164,78,.12);color:var(--gold-bright);border:1px solid rgba(201,164,78,.2)}
.pillar .ico svg{width:25px;height:25px}
.pillar h3{margin-bottom:.4rem}
.pillar p{color:var(--muted);font-size:.96rem;margin:0}

/* ---------- discover (heading + 3 feature columns + image) ---------- */
.discover{background:var(--bg-2)}
.discover-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:54px;align-items:center}
.discover h2{font-family:"Poppins",-apple-system,sans-serif;font-weight:800;letter-spacing:-.01em;line-height:1.16}
.feature-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:2.2rem}
.fcol .fico{height:42px;display:flex;align-items:flex-end;margin-bottom:18px}
.fcol .fico svg{width:36px;height:36px}
.fcol h3{font-family:"Poppins",-apple-system,sans-serif;font-weight:700;font-size:1.05rem;letter-spacing:-.005em;margin:0 0 .5rem;line-height:1.25}
.fcol p{color:var(--muted);font-size:.89rem;margin:0;line-height:1.6}
.disc-media img{border-radius:18px;box-shadow:var(--shadow);width:100%;aspect-ratio:4/5;object-fit:cover}
@media(max-width:940px){.discover-grid{grid-template-columns:1fr}.feature-cols{grid-template-columns:repeat(3,1fr)}}
@media(max-width:640px){.feature-cols{grid-template-columns:1fr}}

/* ---------- split section (text + image) ---------- */
.split{background:var(--bg-2)}
.split-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}
.split-media img{border-radius:18px;box-shadow:var(--shadow);width:100%;aspect-ratio:1/1;object-fit:cover}
.checklist{list-style:none;margin:1.6rem 0 0;padding:0;display:grid;gap:1.1rem}
.checklist li{display:flex;gap:14px;align-items:flex-start}
.checklist .ck{flex:0 0 auto;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:rgba(201,164,78,.14);color:var(--gold-bright)}
.checklist .ck svg{width:16px;height:16px}
.checklist b{display:block;color:#fff;font-size:1.02rem;margin-bottom:2px}
.checklist span{color:var(--muted);font-size:.94rem}

/* ---------- products ---------- */
.product-card{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:20px;overflow:hidden}
.product-card .pc-media{background:linear-gradient(135deg,#11151f,#1c2230);padding:38px;display:grid;place-items:center}
.product-card .pc-media img{border-radius:10px}
.product-card .pc-body{padding:40px 40px 40px 0}
.product-tag{display:inline-block;background:rgba(201,164,78,.14);color:var(--gold-bright);font-size:.72rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase;padding:.4em 1em;border-radius:999px;margin-bottom:1rem}
.feature-list{list-style:none;margin:1.3rem 0;padding:0;display:grid;gap:.65rem}
.feature-list li{display:flex;gap:.7rem;align-items:flex-start;font-size:.96rem;color:var(--text)}
.feature-list svg{flex:0 0 auto;width:20px;height:20px;color:var(--gold-bright);margin-top:3px}

/* ---------- partners ---------- */
.partners{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.partners .wrap{padding:42px 24px}
.partners-row{display:flex;align-items:center;justify-content:center;gap:50px;flex-wrap:wrap;opacity:.55}
.partners-row img{height:38px;width:auto;filter:grayscale(1) brightness(1.6)}

/* ---------- testimonials ---------- */
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:2.6rem}
.review{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:28px;display:flex;flex-direction:column;gap:13px;transition:box-shadow .3s,transform .3s var(--ease),border-color .3s}
.review:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:rgba(201,164,78,.3)}
.stars{color:var(--gold-bright);letter-spacing:3px;font-size:.92rem}
.review p{font-size:.95rem;color:rgba(255,255,255,.8);margin:0;flex:1}
.reviewer{display:flex;align-items:center;gap:12px;margin-top:4px}
.reviewer .av{width:42px;height:42px;border-radius:50%;object-fit:cover;background:var(--card-2)}
.reviewer b{display:block;font-size:.9rem;color:#fff}
.reviewer span{font-size:.76rem;color:var(--muted-2)}

/* ---------- FAQ ---------- */
.faq{background:var(--bg-2)}
.faq-list{max-width:840px;margin:2.6rem auto 0}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:11px;margin-bottom:13px;overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 24px;font-family:"Cormorant Garamond",serif;font-size:1.28rem;font-weight:600;color:#fff;display:flex;justify-content:space-between;align-items:center;gap:18px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .pm{flex:0 0 auto;width:24px;height:24px;position:relative}
.faq-item summary .pm::before,.faq-item summary .pm::after{content:"";position:absolute;background:var(--gold-bright);border-radius:2px}
.faq-item summary .pm::before{top:11px;left:3px;width:18px;height:2px}
.faq-item summary .pm::after{top:3px;left:11px;width:2px;height:18px;transition:transform .3s}
.faq-item[open] summary .pm::after{transform:scaleY(0)}
.faq-item .ans{padding:0 24px 20px;color:var(--muted);font-size:.98rem}

/* ---------- CTA ---------- */
.cta{position:relative;text-align:center;background:#05070c url("/assets/img/swirl2.webp") center/cover no-repeat;overflow:hidden}
.cta::before{content:"";position:absolute;inset:0;background:radial-gradient(80% 120% at 50% 50%,rgba(5,7,12,.45),rgba(5,7,12,.85))}
.cta .wrap{position:relative}
.cta p{color:rgba(255,255,255,.74);max-width:46ch;margin-inline:auto}

/* ---------- footer ---------- */
.footer{background:#080a10;color:rgba(255,255,255,.66);padding:70px 0 26px;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:46px}
.footer img.flogo{height:52px;margin-bottom:18px}
.footer h4{color:#fff;font-family:"Open Sans",sans-serif;font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;font-weight:700;margin-bottom:1.1rem}
.footer ul{list-style:none;margin:0;padding:0;display:grid;gap:.55rem}
.footer a:hover{color:var(--gold-bright)}
.footer .contact-line{display:flex;gap:.6rem;font-size:.9rem;margin-bottom:.55rem}
.footer-note{font-size:.9rem;color:rgba(255,255,255,.5);max-width:46ch}
.footer-bottom{border-top:1px solid var(--line);margin-top:50px;padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.8rem;color:var(--muted-2)}

/* warning box */
.warning-box{background:rgba(163,29,44,.1);border:1px solid rgba(163,29,44,.35);border-radius:12px;padding:26px 28px;color:rgba(255,255,255,.82);font-size:.94rem}
.warning-box h4{color:#ff9aa6;font-family:"Cormorant Garamond",serif;font-size:1.6rem;margin-bottom:.6rem}
.warning-box b{color:#ffd0a8}

/* reveal — content is VISIBLE by default; hidden state only applies when JS is
   confirmed running (html.js). Guarantees content shows if JS is blocked/slow/errors. */
.reveal{opacity:1;transform:none}
html.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
html.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){html.js .reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* responsive */
@media(max-width:940px){
  .cards3-grid,.pillars-grid,.reviews-grid{grid-template-columns:1fr 1fr}
  .split-grid,.product-card{grid-template-columns:1fr}
  .product-card .pc-body{padding:0 34px 36px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  body{font-size:16px}
  .nav-links{position:fixed;inset:82px 0 auto 0;flex-direction:column;gap:0;background:rgba(11,14,20,.98);backdrop-filter:blur(14px);padding:8px 0;border-bottom:1px solid var(--line);transform:translateY(-130%);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}
  .cards3-grid,.pillars-grid,.reviews-grid,.footer-grid{grid-template-columns:1fr}
  .cards3-grid{margin-top:-50px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:30px 18px}
  .stat+.stat{border-left:0}
}