:root{
  --abyss:#04293A;
  --glacier:#0B6E8C;
  --glacier-mid:#4FA8C7;
  --ice:#CFF3FF;
  --mist:#F5FBFC;
  --gold:#E3A23D;
  --slate:#16262E;
  --line: rgba(4,41,58,0.10);
  --radius: 14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--mist);
  color:var(--slate);
  font-family:'Inter',Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{
  font-family:'Fraunces',serif;
  font-weight:600;
  letter-spacing:-0.01em;
  margin:0;
  color:var(--abyss);
}
.mono{font-family:'IBM Plex Mono',monospace;letter-spacing:0.02em;}
a{color:inherit}
img{max-width:100%}
:focus-visible{outline:3px solid var(--gold); outline-offset:3px;}

/* ---------- Nav ---------- */
.site-nav{
  position:sticky;top:0;z-index:50;
  background:var(--abyss);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav-inner{
  max-width:1140px;margin:0 auto;padding:16px 24px;
  display:flex;align-items:center;justify-content:space-between;
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand svg{width:26px;height:26px;flex:none}
.brand-text{font-family:'Fraunces',serif;font-weight:700;font-size:20px;color:#fff}
.nav-links{display:flex;gap:28px;list-style:none;margin:0;padding:0}
.nav-links a{
  text-decoration:none;color:#DCEFF5;font-size:14.5px;font-weight:500;
  padding:6px 2px;border-bottom:2px solid transparent;transition:border-color .18s ease, color .18s ease;
}
.nav-links a:hover, .nav-links a.active{color:#fff;border-color:var(--gold)}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--gold);color:var(--abyss);
  padding:9px 18px;border-radius:999px;text-decoration:none;
  font-weight:600;font-size:13.5px;white-space:nowrap;
}
.nav-toggle{display:none}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:14px 26px;border-radius:999px;
  text-decoration:none;font-weight:600;font-size:15px;
  transition:transform .18s ease, box-shadow .18s ease;
  border:none;cursor:pointer;font-family:'Inter',sans-serif;
}
.btn-primary{background:var(--gold);color:var(--abyss);box-shadow:0 8px 22px rgba(227,162,61,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(227,162,61,.45)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.35)}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--glacier);border:1.5px solid var(--glacier)}
.btn-outline:hover{background:var(--glacier);color:#fff}

/* ---------- Page hero (inner pages) ---------- */
.page-hero{
  background:linear-gradient(175deg,var(--abyss) 0%, var(--glacier) 75%, var(--glacier-mid) 100%);
  color:#fff;padding:64px 24px 90px;position:relative;overflow:hidden;
}
.page-hero-inner{max-width:1140px;margin:0 auto;position:relative;z-index:2}
.page-hero .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:'IBM Plex Mono',monospace;font-size:12.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--ice);opacity:.9;margin-bottom:14px;
}
.page-hero h1{color:#fff;font-size:clamp(36px,5.2vw,56px);line-height:1.02}
.page-hero p{color:#EAF7FB;opacity:.92;font-size:16.5px;max-width:56ch;margin-top:14px;line-height:1.6}
.ice-edge{position:absolute;left:0;right:0;bottom:-1px;z-index:1;line-height:0}
.ice-edge svg{width:100%;height:80px;display:block}

/* ---------- Layout ---------- */
.wrap{max-width:1140px;margin:0 auto;padding:70px 24px}
.wrap.tight{padding-top:0}
.section-head{max-width:640px;margin:0 0 40px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;color:var(--glacier);
  font-family:'IBM Plex Mono',monospace;font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px;
}
.section-head h2{font-size:clamp(28px,3.4vw,38px)}
.section-head p{color:#3c5460;font-size:16px;line-height:1.6;margin-top:10px}
.section-head.center{margin:0 auto 44px;text-align:center}

.card{
  background:#fff;border-radius:var(--radius);
  padding:28px;border:1px solid var(--line);
  box-shadow:0 1px 2px rgba(4,41,58,.04);
}

/* ---------- Grid utilities ---------- */
.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:1fr 1fr}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* ---------- Purification journey ---------- */
.journey{
  background:linear-gradient(180deg,var(--abyss), #052F41);
  border-radius:24px;padding:56px 30px;color:#fff;position:relative;overflow:hidden;
}
.journey .section-head p{color:#B7DCE7}
.journey .section-head .eyebrow{color:var(--gold)}
.journey .section-head h2{color:#fff}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
.steps::before{
  content:"";position:absolute;top:26px;left:6%;right:6%;height:2px;
  background:repeating-linear-gradient(90deg, rgba(255,255,255,.35) 0 10px, transparent 10px 20px);
}
.step{position:relative;padding:0 14px;text-align:left}
.step-num{
  width:52px;height:52px;border-radius:50%;background:var(--glacier-mid);color:var(--abyss);
  display:flex;align-items:center;justify-content:center;font-family:'IBM Plex Mono',monospace;
  font-weight:500;font-size:15px;position:relative;z-index:2;margin-bottom:18px;border:3px solid var(--abyss);
}
.step h3{color:#fff;font-size:17px;margin-bottom:8px;font-weight:600}
.step p{font-size:14px;line-height:1.55;color:#AFD3E0;margin:0}

/* ---------- Trust / info cards ---------- */
.info-card h3{
  font-size:15px;font-family:'IBM Plex Mono',monospace;text-transform:uppercase;letter-spacing:.08em;
  color:var(--glacier);margin-bottom:14px;font-weight:500;
}
.info-card .big{font-size:19px;color:var(--abyss);font-weight:600;line-height:1.5}
.info-card .license{font-family:'IBM Plex Mono',monospace;font-size:20px;color:var(--gold);letter-spacing:.03em}
.info-card ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:9px}
.info-card li{display:flex;gap:9px;align-items:flex-start;font-size:15px;color:#26414D}
.info-card li svg{flex:none;margin-top:3px;width:16px;height:16px;color:var(--glacier)}
.info-card a.phone{display:block;font-family:'IBM Plex Mono',monospace;font-size:16px;color:var(--abyss);text-decoration:none}
.info-card a.phone:hover{color:var(--glacier)}
.info-card address{font-style:normal;font-size:15px;line-height:1.6;color:#26414D;margin:0}
.info-card a.email{display:inline-flex;align-items:center;gap:8px;margin-top:12px;font-family:'IBM Plex Mono',monospace;font-size:14px;color:var(--glacier);text-decoration:none}
.info-card a.email:hover{color:var(--gold)}
.info-card a.email svg{width:15px;height:15px;flex:none}

/* ---------- Product cards ---------- */
.product-card{
  background:#fff;border-radius:var(--radius);border:1px solid var(--line);
  padding:0;overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease, box-shadow .2s ease;
}
.product-card:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(4,41,58,.12)}
.product-art{
  background:linear-gradient(180deg,var(--ice), #fff);
  display:flex;align-items:center;justify-content:center;padding:30px;height:200px;
}
.product-art svg{height:150px}
.product-body{padding:22px 24px 26px}
.product-body h3{font-size:19px;margin-bottom:6px}
.product-body .price-tag{
  font-family:'IBM Plex Mono',monospace;color:var(--glacier);font-size:14px;margin-bottom:10px;display:block;
}
.product-body p{font-size:14.5px;color:#3c5460;line-height:1.55;margin:0}
.product-badge{
  display:inline-block;background:var(--gold);color:var(--abyss);font-family:'IBM Plex Mono',monospace;
  font-size:11px;letter-spacing:.06em;text-transform:uppercase;padding:4px 10px;border-radius:999px;margin-bottom:10px;
}

/* ---------- Quote ---------- */
.quote{text-align:center;padding:20px 24px 10px}
.quote blockquote{
  margin:0 auto;max-width:760px;font-family:'Fraunces',serif;font-weight:500;font-style:italic;
  font-size:clamp(24px,3.4vw,34px);line-height:1.35;color:var(--abyss);
}
.quote cite{
  display:block;margin-top:20px;font-style:normal;font-family:'IBM Plex Mono',monospace;
  font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--glacier);
}

/* ---------- Testimonials ---------- */
.testimonial{padding:26px}
.testimonial .stars{color:var(--gold);font-size:15px;margin-bottom:12px;letter-spacing:2px}
.testimonial p{font-size:15px;line-height:1.6;color:#26414D;margin:0 0 16px}
.testimonial .who{font-family:'IBM Plex Mono',monospace;font-size:13px;color:var(--glacier)}

/* ---------- Contact form ---------- */
.form-card{padding:36px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;font-weight:600;color:var(--abyss)}
.field input, .field textarea, .field select{
  border:1.5px solid var(--line);border-radius:10px;padding:12px 14px;font-family:'Inter',sans-serif;
  font-size:14.5px;color:var(--slate);background:#fff;resize:vertical;
}
.field input:focus, .field textarea:focus, .field select:focus{outline:none;border-color:var(--glacier)}
.map-frame{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);height:100%;min-height:320px}
.map-frame iframe{width:100%;height:100%;min-height:320px;border:0;display:block}

/* ---------- Social row ---------- */
.social-row{display:flex;gap:12px;margin-top:16px}
.social-btn{
  display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:50%;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.28);
  transition:transform .18s ease, background .18s ease;
}
.social-btn:hover{background:var(--gold);transform:translateY(-2px)}
.social-btn svg{width:19px;height:19px;color:#fff}
.social-btn:hover svg{color:var(--abyss)}

/* ---------- WhatsApp floating button ---------- */
.wa-float{
  position:fixed;bottom:24px;right:24px;z-index:60;width:56px;height:56px;border-radius:50%;
  background:#25D366;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 26px rgba(0,0,0,.25);text-decoration:none;
}
.wa-float svg{width:28px;height:28px;color:#fff}

/* ---------- Footer ---------- */
footer{background:var(--abyss);color:#fff;padding:50px 24px 30px}
.footer-inner{max-width:1140px;margin:0 auto;display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:36px;border-bottom:1px solid rgba(255,255,255,.12);padding-bottom:34px}
.footer-inner h3{color:#fff;font-size:22px}
.footer-inner .tag-en{color:var(--gold);font-family:'Fraunces',serif;font-style:italic;font-size:16px;margin-top:6px}
.footer-col h4{color:#fff;font-size:13px;text-transform:uppercase;letter-spacing:.1em;font-family:'IBM Plex Mono',monospace;margin-bottom:14px;font-weight:500}
.footer-col a{display:block;text-decoration:none;color:#AFD3E0;font-size:14px;margin-bottom:9px}
.footer-col a:hover{color:var(--gold)}
.footer-contact a{text-decoration:none;color:#EAF7FB;font-family:'IBM Plex Mono',monospace;font-size:14px}
.footer-contact a:hover{color:var(--gold)}
.copyright{max-width:1140px;margin:20px auto 0;font-size:13px;color:#7FA6B4;text-align:center}

@media (prefers-reduced-motion: no-preference){
  .page-hero-inner > *{animation:rise .6s ease both}
}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .nav-links{display:none}
  .nav-toggle{display:block;background:none;border:none;color:#fff}
  .grid-3{grid-template-columns:1fr 1fr}
  .grid-4{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr;row-gap:34px}
  .steps::before{display:none}
  .form-row{grid-template-columns:1fr}
  .footer-inner{flex-direction:column}
}
@media (max-width:600px){
  .grid-2{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr}
  .grid-4{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .page-hero{padding:52px 18px 70px}
  .journey{padding:40px 18px}
  .form-card{padding:24px}
}