/* ==========================================================================
   PhaseX S.A. — Design System
   Palette sourced from the official logo (navy #184063 / gold #EBA310)
   Light theme
   ========================================================================== */

:root{
  --navy-950:#0d2b45;
  --navy-900:#123650;
  --navy-800:#184063;   /* brand navy — from logo */
  --navy-700:#2f5679;
  --steel-500:#5c7891;
  --steel-300:#aec2d1;
  --ice-100:#eef3f7;
  --ice-050:#f8fafc;
  --white:#ffffff;
  --accent-500:#eba310;  /* brand gold — from logo */
  --accent-600:#c98a0c;
  --accent-100:#fcebc7;
  --text-dark:#13293d;
  --text-muted:#5c6b78;
  --text-on-dark:#d3e2ec;
  --tagline-gray:#7a7a7a; /* logo tagline gray */
  --border-soft:#e3e9ee;
  --shadow-md:0 14px 34px -14px rgba(24,64,99,.22);
  --shadow-sm:0 6px 16px -8px rgba(24,64,99,.16);
  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:8px;
  --maxw:1220px;
  --ff-head:'Barlow Semi Condensed',Arial,sans-serif;
  --ff-body:'Inter',Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--ff-body);
  color:var(--text-dark);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--ff-head);font-weight:600;line-height:1.12;margin:0 0 .5em;letter-spacing:.2px}
p{line-height:1.7;color:var(--text-muted);margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 28px}
section{position:relative}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* -------- eyebrow / kicker -------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--ff-head);font-size:13px;font-weight:600;
  letter-spacing:2.2px;text-transform:uppercase;color:var(--accent-600);
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--accent-500);display:inline-block}
section.dark .eyebrow{color:var(--accent-500)}

/* -------- buttons -------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 26px;border-radius:999px;
  font-family:var(--ff-head);font-weight:600;font-size:15px;letter-spacing:.4px;
  border:1.5px solid transparent;cursor:pointer;transition:.25s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--accent-500);color:var(--navy-950)}
.btn-primary:hover{background:var(--accent-600);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-ghost{border-color:rgba(255,255,255,.6);color:var(--white)}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn-outline{border-color:var(--navy-800);color:var(--navy-900)}
.btn-outline:hover{background:var(--navy-800);color:var(--white);transform:translateY(-2px)}
.btn svg{width:16px;height:16px;flex:none}

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border-soft);
}
.site-header .container{
  display:flex;align-items:center;justify-content:space-between;
  height:82px;
}
.brand{display:flex;align-items:center;gap:12px}
.brand .logo-mark{width:38px;height:38px;flex:none;object-fit:contain}
.brand .word{font-family:var(--ff-head);font-weight:700;font-size:22px;color:var(--navy-800);letter-spacing:.3px}
.brand .word span{color:var(--accent-500)}
.brand .tagline{display:block;font-size:9.5px;letter-spacing:2px;color:var(--tagline-gray);text-transform:uppercase;margin-top:1px}

.nav-primary{display:flex;align-items:center;gap:1px}
.nav-primary a{
  padding:10px 11px;border-radius:8px;white-space:nowrap;
  font-family:var(--ff-head);font-size:14.5px;font-weight:500;
  color:var(--navy-900);transition:.2s;
}
.nav-primary a:hover{color:var(--navy-800);background:rgba(24,64,99,.07)}
.nav-primary a.active{color:var(--accent-600)}
.nav-primary a.nav-brochure{display:inline-flex;align-items:center;gap:6px;color:var(--accent-600);font-weight:600}
.nav-primary a.nav-brochure svg{width:16px;height:16px;flex:none}
.nav-primary a.nav-brochure:hover{color:var(--accent-600);background:rgba(235,163,16,.1)}

.header-actions{display:flex;align-items:center;gap:14px}
.lang-switch{display:flex;border:1px solid var(--border-soft);border-radius:999px;overflow:hidden}
.lang-switch button{
  background:transparent;border:none;color:var(--navy-800);
  font-family:var(--ff-head);font-size:13px;font-weight:600;letter-spacing:1px;
  padding:7px 13px;cursor:pointer;transition:.2s;
}
.lang-switch button.is-active{background:var(--accent-500);color:var(--navy-950)}
.header-cta{display:inline-flex}
.menu-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.menu-toggle span{width:24px;height:2px;background:var(--navy-800);display:block;border-radius:2px}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero{
  position:relative;min-height:86vh;display:flex;align-items:flex-end;
  background:var(--navy-800);overflow:hidden;
}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media img{width:100%;height:100%;object-fit:cover;opacity:.92}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,43,69,.28) 0%,rgba(13,43,69,.5) 45%,rgba(13,43,69,.86) 100%),
             linear-gradient(95deg,rgba(13,43,69,.82) 0%,rgba(13,43,69,.38) 45%,rgba(13,43,69,.1) 72%);
}
.hero-content{position:relative;z-index:1;padding:120px 0 80px;color:var(--white)}
.hero-content h1{font-size:clamp(36px,5.4vw,64px);max-width:820px;color:var(--white)}
.hero-content .lead{font-size:19px;max-width:600px;color:var(--text-on-dark)}
.hero-actions{display:flex;gap:16px;margin-top:34px;flex-wrap:wrap}
.hero-wave{position:absolute;left:0;right:0;bottom:-1px;z-index:1;line-height:0}

/* page (interior) hero — shorter */
.page-hero{min-height:52vh}
.page-hero .hero-content{padding:150px 0 70px}
.page-hero h1{font-size:clamp(32px,4.6vw,52px)}

/* ==========================================================================
   STAT / BADGE STRIP
   ========================================================================== */
.strip{background:var(--ice-050);padding:34px 0;border-bottom:1px solid var(--border-soft)}
.strip .container{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between}
.strip-item{display:flex;align-items:center;gap:14px;flex:1 1 220px;color:var(--navy-900)}
.strip-item svg{width:30px;height:30px;flex:none;color:var(--accent-600)}
.strip-item strong{display:block;font-family:var(--ff-head);font-size:16px;font-weight:600;color:var(--navy-900)}
.strip-item span{display:block;font-size:13px;color:var(--text-muted)}

/* ==========================================================================
   SECTIONS
   ========================================================================== */
.section{padding:100px 0}
.section.tight{padding:70px 0}
.section.dark{background:var(--navy-800);color:var(--text-on-dark)}
.section.dark p{color:var(--text-on-dark)}
.section.ice{background:var(--ice-050)}
.section-head{max-width:680px;margin-bottom:56px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:clamp(28px,3.4vw,42px);color:var(--navy-950)}
.section.dark .section-head h2{color:var(--white)}

.two-col{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.two-col img,.two-col .media-frame{border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}
.media-frame{position:relative;overflow:hidden;border-radius:var(--radius-lg)}
.media-frame img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.media-frame::after{content:"";position:absolute;inset:0;border:1px solid rgba(24,64,99,.1);border-radius:var(--radius-lg)}

/* value / feature list */
.check-list{margin-top:22px;display:flex;flex-direction:column;gap:14px}
.check-list li{display:flex;gap:12px;align-items:flex-start;color:var(--text-dark);font-size:15.5px;line-height:1.55}
.section.dark .check-list li{color:var(--text-on-dark)}
.check-list svg{width:20px;height:20px;flex:none;color:var(--accent-600);margin-top:2px}
.section.dark .check-list svg{color:var(--accent-500)}

/* ---- cards grid ---- */
.grid{display:grid;gap:26px}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
/* center a lone last item that starts a new row on its own */
.grid.cols-3 > :last-child:nth-child(3n+1):not(:first-child){grid-column:2}

.card{
  background:var(--white);border:1px solid var(--border-soft);border-radius:var(--radius-lg);
  padding:34px 30px;transition:.28s ease;height:100%;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:transparent}
.card .icon{
  width:52px;height:52px;border-radius:14px;background:var(--navy-800);
  display:flex;align-items:center;justify-content:center;margin-bottom:22px;
}
.card .icon svg{width:26px;height:26px;color:var(--accent-500)}
.card h3{font-size:19px;color:var(--navy-950)}
.card p{font-size:14.5px;margin-bottom:0}
.card a.card-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-family:var(--ff-head);font-weight:600;font-size:13.5px;color:var(--navy-900);letter-spacing:.4px}
.card a.card-link svg{width:14px;height:14px}

/* dark variant card */
section.dark .card{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.14)}
section.dark .card h3{color:var(--white)}
section.dark .card .icon{background:rgba(235,163,16,.18)}

/* image top card (applications / products) */
.card.media{padding:0;overflow:hidden;display:flex;flex-direction:column}
.card.media .thumb{aspect-ratio:16/10;overflow:hidden}
.card.media .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card.media:hover .thumb img{transform:scale(1.06)}
.card.media .body{padding:26px 26px 30px;flex:1;display:flex;flex-direction:column}
.card.media .tag{font-family:var(--ff-head);font-size:11.5px;letter-spacing:1.6px;text-transform:uppercase;color:var(--accent-600);margin-bottom:10px;font-weight:700}

/* numbered process steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step{position:relative;padding-top:8px}
.step .num{
  font-family:var(--ff-head);font-weight:700;font-size:15px;
  width:38px;height:38px;border-radius:50%;border:2px solid var(--accent-500);
  display:flex;align-items:center;justify-content:center;color:var(--accent-600);margin-bottom:18px;
}
.step h4{font-size:16.5px;color:var(--navy-950);margin-bottom:8px}
.section.dark .step h4{color:var(--white)}
.step p{font-size:14px}

/* spec table */
.spec-table{width:100%;border-collapse:collapse;margin-top:18px}
.spec-table th,.spec-table td{text-align:start;padding:13px 16px;border-bottom:1px solid var(--border-soft);font-size:14.5px}
.spec-table th{color:var(--navy-950);font-family:var(--ff-head);font-weight:600;width:46%}
.spec-table td{color:var(--text-muted)}

/* product detail block */
.product-block{padding:64px 0;border-bottom:1px solid var(--border-soft);scroll-margin-top:100px}
.product-block:last-child{border-bottom:none}
.product-block .tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.pill{font-family:var(--ff-head);font-size:11.5px;font-weight:700;letter-spacing:1px;text-transform:uppercase;background:var(--accent-100);color:var(--accent-600);padding:6px 12px;border-radius:999px}
.pill.alt{background:var(--ice-100);color:var(--navy-800)}

/* CTA band — light, brand-tinted */
.cta-band{
  background:linear-gradient(120deg,var(--ice-050) 0%,var(--accent-100) 130%);
  border:1px solid var(--border-soft);
  border-radius:var(--radius-lg);padding:60px 56px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  color:var(--text-dark);position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;
  background:radial-gradient(circle,rgba(235,163,16,.22) 0%,transparent 70%);
}
.cta-band h2{color:var(--navy-950);margin-bottom:6px;font-size:clamp(24px,2.8vw,34px)}
.cta-band p{color:var(--text-muted);margin-bottom:0;max-width:480px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* wave divider */
.wave-divider{line-height:0}
.wave-divider svg{width:100%;height:auto;display:block}

/* reveal animation */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.is-visible{opacity:1;transform:translateY(0)}
.reveal-stagger > *{transition-delay:calc(var(--i,0) * 90ms)}

/* ==========================================================================
   FOOTER — light
   ========================================================================== */
.site-footer{background:var(--ice-050);color:var(--text-muted);padding-top:80px;border-top:1px solid var(--border-soft)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:48px;padding-bottom:56px;border-bottom:1px solid var(--border-soft)}
.footer-brand .word{font-family:var(--ff-head);font-weight:700;font-size:22px;color:var(--navy-800)}
.footer-brand .word span{color:var(--accent-500)}
.footer-brand p{font-size:14px;margin-top:16px;max-width:280px}
.footer-col h5{font-family:var(--ff-head);font-size:13px;letter-spacing:1.4px;text-transform:uppercase;color:var(--navy-900);margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14.5px;color:var(--text-muted);transition:.2s}
.footer-col a:hover{color:var(--accent-600)}
.footer-col .contact-line{display:flex;gap:10px;font-size:14.5px;align-items:flex-start;color:var(--text-muted)}
.footer-col .contact-line svg{width:17px;height:17px;flex:none;margin-top:2px;color:var(--accent-600)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding:26px 0;font-size:13px;color:var(--steel-500);flex-wrap:wrap;gap:10px}
.footer-bottom .swiss{display:inline-flex;align-items:center;gap:7px}
.swiss-cross{width:13px;height:13px;background:#d52b1e;position:relative;flex:none;border-radius:2px}
.swiss-cross::before,.swiss-cross::after{content:"";position:absolute;background:#fff}
.swiss-cross::before{width:6.5px;height:2px;top:5.5px;left:3.25px}
.swiss-cross::after{width:2px;height:6.5px;left:5.5px;top:3.25px}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width:980px){
  .two-col{grid-template-columns:1fr;gap:36px}
  .grid.cols-3,.grid.cols-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;row-gap:36px}
}
@media (max-width:1100px){
  .nav-primary,.header-cta{display:none}
  .site-header.nav-open .nav-primary{
    display:flex;flex-direction:column;position:absolute;top:82px;left:0;right:0;
    background:var(--white);padding:14px 28px 26px;gap:2px;border-bottom:1px solid var(--border-soft);
    box-shadow:var(--shadow-md);
  }
  .nav-primary a.nav-brochure{color:var(--accent-600)}
  .menu-toggle{display:flex}
}
@media (max-width:760px){
  .grid.cols-3,.grid.cols-4,.grid.cols-2{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .cta-band{padding:40px 28px;flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr}
  .hero-content{padding-top:100px}
  .section{padding:64px 0}
}