/* =========================================================
   HerAlyn, Aesthetics & Beauty (UK)
   Single-page site stylesheet
   Brand: Midnight Navy / Royal Gold / Ivory
   Fonts: Playfair Display (display) + Montserrat (text)
   ========================================================= */

:root{
  --navy:#0B1D33;
  --navy-deep:#081627;
  --charcoal:#12161E;
  --gold:#D4AF37;
  --gold-soft:#E6D7BB;
  --champagne:#E6D7BB;
  --taupe:#7A7166;
  --ivory:#F7F4EC;
  --gold-dim:rgba(212,175,55,0.62);
  --gold-faint:rgba(212,175,55,0.32);
  --line:rgba(212,175,55,0.18);
  --line-soft:rgba(247,244,236,0.10);
  --max:1180px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}

body{
  background:var(--navy);
  color:var(--ivory);
  font-family:'Montserrat',sans-serif;
  font-weight:300;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  position:relative;
}

/* midnight gradient depth, per brand guide */
body::before{
  content:"";
  position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(60% 50% at 50% 0%, rgba(212,175,55,0.07) 0%, transparent 60%),
    linear-gradient(180deg, var(--navy) 0%, var(--navy-deep) 100%);
}

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

/* ---------- shared layout ---------- */
.wrap{max-width:var(--max);margin:0 auto;padding:0 28px;position:relative;z-index:2}
section{position:relative;z-index:2;padding:96px 0}

h1,h2,h3,.display{font-family:'Playfair Display',serif;font-weight:500;letter-spacing:.005em}

.eyebrow{
  font-family:'Montserrat',sans-serif;
  font-weight:500;
  font-size:11px;
  letter-spacing:.42em;
  text-transform:uppercase;
  color:var(--gold);
  display:inline-block;
  margin-bottom:18px;
}
.eyebrow::before{content:"";display:inline-block;width:26px;height:1px;background:var(--gold-faint);vertical-align:middle;margin-right:12px}

h2.section-title{
  font-size:clamp(1.7rem,4vw,2.6rem);
  line-height:1.18;
  color:var(--ivory);
  margin-bottom:22px;
}
h2.section-title b{color:var(--gold);font-weight:500}

.lead{color:rgba(247,244,236,.78);font-size:1.02rem;max-width:60ch}
p + p{margin-top:16px}

.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:'Montserrat',sans-serif;font-weight:500;
  font-size:12px;letter-spacing:.2em;text-transform:uppercase;
  padding:15px 30px;border-radius:2px;
  transition:.35s ease;cursor:pointer;
}
.btn-gold{background:var(--gold);color:var(--navy-deep);border:1px solid var(--gold)}
.btn-gold:hover{background:transparent;color:var(--gold)}
.btn-ghost{background:transparent;color:var(--gold-soft);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold)}

/* ---------- top bar ---------- */
header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:16px clamp(20px,4vw,46px);
  transition:.4s ease;
}
header.scrolled{
  background:rgba(8,22,39,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  padding-top:11px;padding-bottom:11px;
}
.brand{display:flex;align-items:center;gap:13px}
.brand img{height:42px;width:auto;border-radius:4px}
.brand .name{
  font-family:'Playfair Display',serif;font-size:1.35rem;color:var(--ivory);line-height:1;
}
.brand .name span{color:var(--gold)}
.brand .sub{
  display:block;font-family:'Montserrat',sans-serif;font-weight:400;
  font-size:8px;letter-spacing:.34em;text-transform:uppercase;color:var(--gold-dim);margin-top:4px;
}

nav.main{display:flex;align-items:center;gap:30px}
nav.main a.link{
  font-size:12px;letter-spacing:.13em;text-transform:uppercase;font-weight:400;
  color:rgba(247,244,236,.74);transition:.25s;
}
nav.main a.link:hover{color:var(--gold)}
.lang{font-size:11px;letter-spacing:.16em;color:var(--gold-dim)}
.lang b{color:var(--gold)}

.menu-toggle{display:none;background:none;border:none;color:var(--gold);font-size:24px;cursor:pointer}

/* ---------- hero ---------- */
.hero{
  min-height:100svh;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;
  padding:140px 24px 90px;
}
.hero .star{color:var(--gold);font-size:15px;letter-spacing:.5em;margin-bottom:22px}
.hero h1{
  font-size:clamp(2.1rem,5.4vw,4rem);
  line-height:1.12;max-width:18ch;color:var(--ivory);
}
.hero h1 b{color:var(--gold);font-weight:500;font-style:italic}
.hero .sub{
  margin-top:26px;max-width:60ch;color:rgba(247,244,236,.74);
  font-size:1.05rem;font-weight:300;
}
.hero .cta{margin-top:40px;display:flex;gap:16px;flex-wrap:wrap;justify-content:center}
.hero-shot{
  margin-top:52px;width:min(400px,82vw);border:1px solid var(--line);border-radius:10px;
  overflow:hidden;box-shadow:0 36px 70px -34px rgba(0,0,0,.7);
  opacity:0;transform:translateY(18px);
  animation:rise 1.1s cubic-bezier(.2,.7,.2,1) forwards .35s;
}
.hero-shot img{width:100%;display:block}
@keyframes rise{to{opacity:1;transform:none}}
.scrollcue{
  position:absolute;bottom:34px;left:50%;transform:translateX(-50%);
  font-size:10px;letter-spacing:.34em;text-transform:uppercase;color:var(--gold-faint);
  display:flex;flex-direction:column;align-items:center;gap:10px;
}
.scrollcue .bar{width:1px;height:46px;background:linear-gradient(var(--gold),transparent);animation:cue 2.4s ease-in-out infinite}
@keyframes cue{0%,100%{opacity:.3;transform:scaleY(.6)}50%{opacity:1;transform:scaleY(1)}}

/* ---------- two-column feature ---------- */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.feature.reverse .col-visual{order:-1}
.feature .col-text .lead{margin-bottom:14px}

/* decorative visual panel (no stock photography needed) */
.panel{
  position:relative;border-radius:6px;overflow:hidden;
  aspect-ratio:4/3.4;
  background:
    radial-gradient(120% 120% at 20% 10%, rgba(212,175,55,.16), transparent 55%),
    linear-gradient(150deg, #102845 0%, var(--charcoal) 100%);
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 30px 60px -30px rgba(0,0,0,.6);
}
.panel svg{width:78%;height:78%;overflow:visible}
.panel.has-img{background:var(--charcoal)}
.panel.has-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
/* soft scrim so the gold tag stays legible on light photos */
.panel.has-img::after{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:linear-gradient(180deg,transparent 55%,rgba(8,22,39,.55) 100%);
}
.panel .corner{z-index:2}
.panel .tag{
  position:absolute;left:22px;bottom:20px;z-index:2;
  font-size:10px;letter-spacing:.26em;text-transform:uppercase;color:var(--gold-soft);
}
.panel .corner{position:absolute;width:34px;height:34px;border:1px solid var(--gold-faint)}
.panel .corner.tl{top:16px;left:16px;border-right:none;border-bottom:none}
.panel .corner.br{bottom:16px;right:16px;border-left:none;border-top:none}

/* ---------- stat strip ---------- */
.stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.stat{
  flex:1;min-width:130px;border:1px solid var(--line);border-radius:4px;
  padding:18px 20px;background:rgba(247,244,236,.02);
}
.stat .n{font-family:'Playfair Display',serif;font-size:1.9rem;color:var(--gold);line-height:1}
.stat .l{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:rgba(247,244,236,.6);margin-top:8px}

/* ---------- application areas ---------- */
.areas{text-align:center}
.areas .grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:54px;
}
.area-card{
  border:1px solid var(--line);border-radius:6px;padding:34px 22px;
  background:rgba(247,244,236,.02);transition:.35s ease;
}
.area-card:hover{border-color:var(--gold);transform:translateY(-4px);background:rgba(212,175,55,.05)}
.area-card .ic{
  width:50px;height:50px;margin:0 auto 18px;border-radius:50%;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--gold);
}
.area-card .ic svg{width:24px;height:24px}
.area-card h3{font-size:1.05rem;color:var(--ivory);margin-bottom:8px}
.area-card p{font-size:.86rem;color:rgba(247,244,236,.6)}

/* ---------- advantages ---------- */
.adv-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px 40px;margin-top:46px}
.adv{display:flex;gap:18px;align-items:flex-start;padding:22px 0;border-bottom:1px solid var(--line-soft)}
.adv .check{
  flex:none;width:34px;height:34px;border-radius:50%;
  border:1px solid var(--gold-faint);color:var(--gold);
  display:flex;align-items:center;justify-content:center;font-size:15px;
}
.adv h3{font-size:1.02rem;color:var(--ivory);margin-bottom:6px;font-family:'Playfair Display',serif;font-weight:500}
.adv p{font-size:.9rem;color:rgba(247,244,236,.65)}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto}
.faq-head{text-align:center;margin-bottom:48px}
details.qa{
  border-bottom:1px solid var(--line);
}
details.qa summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:24px 4px;
  font-family:'Playfair Display',serif;font-size:1.08rem;color:var(--ivory);
  transition:.3s;
}
details.qa summary::-webkit-details-marker{display:none}
details.qa summary:hover{color:var(--gold)}
details.qa .plus{
  flex:none;width:30px;height:30px;border:1px solid var(--line);border-radius:50%;
  position:relative;transition:.35s;color:var(--gold);
}
details.qa .plus::before,details.qa .plus::after{
  content:"";position:absolute;background:currentColor;top:50%;left:50%;transform:translate(-50%,-50%);
}
details.qa .plus::before{width:12px;height:1.5px}
details.qa .plus::after{width:1.5px;height:12px;transition:.35s}
details.qa[open] .plus{background:var(--gold);color:var(--navy-deep);border-color:var(--gold);transform:rotate(180deg)}
details.qa[open] .plus::after{height:0}
details.qa .answer{padding:0 4px 26px;color:rgba(247,244,236,.7);font-size:.95rem;max-width:64ch}

/* ---------- certifications ---------- */
.certs{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:46px 0}
.certs .row{display:flex;align-items:center;justify-content:center;gap:clamp(30px,7vw,86px);flex-wrap:wrap}
.cert{
  display:flex;flex-direction:column;align-items:center;gap:10px;
  font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--gold-dim);
}
.cert .badge{
  font-family:'Playfair Display',serif;font-size:1.5rem;color:var(--gold-soft);
  border:1px solid var(--line);border-radius:50%;width:74px;height:74px;
  display:flex;align-items:center;justify-content:center;letter-spacing:.02em;
}

/* ---------- contact ---------- */
.contact{text-align:center}
.contact .panelbox{
  max-width:760px;margin:40px auto 0;border:1px solid var(--line);border-radius:8px;
  padding:clamp(34px,5vw,58px);background:rgba(247,244,236,.02);
}
.contact .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-top:36px;text-align:left}
.contact .item .k{font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:var(--gold);margin-bottom:8px}
.contact .item .v{font-size:.95rem;color:rgba(247,244,236,.82)}
.contact .item .v a:hover{color:var(--gold)}

/* ---------- footer ---------- */
footer{
  position:relative;z-index:2;border-top:1px solid var(--line);
  padding:64px 0 34px;background:rgba(8,22,39,.5);
}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.foot-brand .brand{margin-bottom:18px}
.foot-brand p{font-size:.88rem;color:rgba(247,244,236,.6);max-width:34ch}
.foot-col h4{
  font-family:'Montserrat',sans-serif;font-weight:500;font-size:11px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--gold);margin-bottom:18px;
}
.foot-col a, .foot-col p{display:block;font-size:.88rem;color:rgba(247,244,236,.66);margin-bottom:11px;transition:.25s}
.foot-col a:hover{color:var(--gold)}

/* footer columns: static on desktop, collapsible on mobile */
.foot-acc{
  width:100%;background:none;border:none;color:inherit;font:inherit;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.foot-acc h4{margin-bottom:0}
.foot-col .chev{
  display:none;flex:none;width:8px;height:8px;
  border-right:1.5px solid var(--gold);border-bottom:1.5px solid var(--gold);
  transform:rotate(45deg);transition:transform .3s ease;
}
@media(min-width:901px){
  .foot-acc{cursor:default;pointer-events:none;margin-bottom:18px;padding:0}
}
.signature{
  text-align:center;margin-top:54px;
  font-family:'Playfair Display',serif;font-style:italic;font-size:1.4rem;color:var(--ivory);
}
.signature b{color:var(--gold);font-weight:500}
.copyright{
  text-align:center;margin-top:24px;padding-top:24px;border-top:1px solid var(--line-soft);
  font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-faint);
}
.socials{display:flex;justify-content:center;gap:18px;margin-top:22px}
.socials a{width:36px;height:36px;border:1px solid var(--line);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--gold-dim);transition:.3s}
.socials a:hover{border-color:var(--gold);color:var(--gold)}
.socials svg{width:15px;height:15px}

/* ---------- reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s ease,transform .9s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media(max-width:900px){
  nav.main{
    position:fixed;top:0;right:0;height:100svh;width:min(320px,80vw);
    flex-direction:column;align-items:flex-start;justify-content:center;gap:26px;
    background:rgba(8,22,39,.97);backdrop-filter:blur(16px);
    border-left:1px solid var(--line);padding:0 38px;
    transform:translateX(100%);transition:.4s ease;
  }
  nav.main.open{transform:none}
  .menu-toggle{display:block;z-index:60}
  .feature{grid-template-columns:1fr;gap:38px}
  .feature.reverse .col-visual{order:0}
  .areas .grid{grid-template-columns:repeat(2,1fr)}
  .adv-grid{grid-template-columns:1fr;gap:0}
  .foot-grid{grid-template-columns:1fr;gap:0}
  .foot-brand{margin-bottom:14px}
  .foot-col{border-top:1px solid var(--line-soft)}
  .foot-acc{padding:16px 0}
  .foot-col .chev{display:block}
  .foot-col.open .chev{transform:rotate(-135deg)}
  .foot-col .col-body{display:none}
  .foot-col.open .col-body{display:block;padding-bottom:8px}
  .contact .grid{grid-template-columns:1fr;text-align:center}
}
@media(max-width:520px){
  section{padding:70px 0}
  .areas .grid{grid-template-columns:1fr}
  .hero .cta{flex-direction:column;width:100%}
  .hero .cta .btn{justify-content:center}
}