/* ============================================================
   Rudolf Spa / Karteros B.V. — styles.css
   ============================================================ */

:root{
  --ink:#15161a;
  --ink-soft:#4a4d55;
  --muted:#6f737c;
  --paper:#ffffff;
  --surface:#f5f3f0;
  --surface-2:#eeebe5;
  --line:#e4e1da;
  --navy:#1b2030;
  --accent:#e2402f;
  --accent-dark:#c22f20;
  --accent-ink:#ffffff;
  --radius:14px;
  --radius-sm:8px;
  --shadow:0 12px 32px -16px rgba(20,20,25,.28);
  --container:1180px;
  --ff-display:'Space Grotesk', 'Inter', system-ui, sans-serif;
  --ff-body:'Inter', system-ui, -apple-system, sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--ff-body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{font-family:var(--ff-display);line-height:1.15;margin:0 0 .5em;letter-spacing:-.01em;}
p{margin:0 0 1em;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-family:var(--ff-body);
  font-weight:600;font-size:.95rem;border:1px solid transparent;
  cursor:pointer;transition:transform .18s ease, background .18s ease, box-shadow .18s ease, color .18s ease, border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 24px -10px rgba(226,64,47,.55);}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:#000;transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--ink);}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.35);}
.btn-ghost-light:hover{border-color:#fff;}
.btn-sm{padding:9px 18px;font-size:.85rem;}

/* ---------- Header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  border-bottom:1px solid transparent;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.site-header::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(10px);
}
.site-header.scrolled{border-color:var(--line);box-shadow:0 6px 20px -18px rgba(0,0,0,.4);}
.site-header .container{display:flex;align-items:center;gap:28px;height:78px;}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--ff-display);font-weight:700;font-size:1.25rem;color:var(--ink);flex-shrink:0;}
.brand .mark{
  width:36px;height:36px;border-radius:9px;background:var(--ink);
  display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;
}
.brand .mark::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,var(--accent),transparent 65%);}
.brand .mark svg{position:relative;z-index:1;width:20px;height:20px;}
.brand small{display:block;font-family:var(--ff-body);font-weight:500;font-size:.62rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);}

.main-nav{display:flex;align-items:center;gap:2px;margin-left:8px;flex:1;}
.main-nav a{
  padding:10px 16px;border-radius:999px;font-size:.95rem;font-weight:500;color:var(--ink-soft);
  transition:background .18s ease, color .18s ease;
}
.main-nav a:hover{background:var(--surface);color:var(--ink);}
.main-nav a.active{background:var(--ink);color:#fff;}

.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;cursor:pointer;}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";display:block;width:18px;height:2px;background:var(--ink);position:relative;transition:.2s ease;
}
.nav-toggle span::before{position:absolute;top:-6px;}
.nav-toggle span::after{position:absolute;top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg);}

@media (max-width:1180px){
  .site-header .container{gap:14px;}
  .brand small{display:none;}
  .main-nav{gap:0;margin-left:0;}
  .main-nav a{padding:10px 12px;font-size:.9rem;}
  .header-actions{gap:8px;}
}

@media (max-width:920px){
  .main-nav{
    position:fixed;inset:78px 0 0 0;background:#fff;flex-direction:column;align-items:stretch;
    padding:14px;gap:4px;transform:translateY(-8px);opacity:0;pointer-events:none;
    transition:opacity .2s ease, transform .2s ease;overflow-y:auto;
  }
  .main-nav.open{opacity:1;transform:translateY(0);pointer-events:auto;}
  .main-nav a{padding:14px 16px;border-radius:10px;font-size:1.05rem;}
  .nav-toggle{display:flex;}
  .header-actions .btn-sm{display:none;}
}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--navy);color:#fff;padding:96px 0 110px;}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(720px 420px at 85% -10%, rgba(226,64,47,.35), transparent 60%),
    radial-gradient(600px 500px at 0% 110%, rgba(255,255,255,.08), transparent 60%);
  pointer-events:none;
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:600;
  letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:16px;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);}
.hero h1{font-size:clamp(2.2rem,4.4vw,3.4rem);color:#fff;}
.hero h1 .accent{color:var(--accent);}
.hero-sub{font-size:1.08rem;color:rgba(255,255,255,.72);max-width:52ch;margin-bottom:28px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px;}
.hero-stats{display:flex;gap:36px;flex-wrap:wrap;}
.hero-stats .stat b{display:block;font-family:var(--ff-display);font-size:1.7rem;color:#fff;}
.hero-stats .stat span{font-size:.85rem;color:rgba(255,255,255,.55);}

.hero-panel{position:relative;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:20px;padding:28px;backdrop-filter:blur(6px);}
.hero-panel-row{display:flex;align-items:flex-start;gap:14px;padding:16px 4px;border-bottom:1px solid rgba(255,255,255,.1);}
.hero-panel-row:last-child{border-bottom:none;}
.hero-panel-icon{width:40px;height:40px;border-radius:10px;background:rgba(226,64,47,.18);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.hero-panel-icon svg{width:20px;height:20px;stroke:var(--accent);}
.hero-panel h4{color:#fff;font-size:1rem;margin-bottom:2px;}
.hero-panel p{color:rgba(255,255,255,.6);font-size:.88rem;margin:0;}

@media (max-width:860px){
  .hero-grid{grid-template-columns:1fr;}
  .hero{padding:56px 0 72px;}
}

/* ---------- Marquee ---------- */
.marquee{background:var(--ink);overflow:hidden;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.08);}
.marquee-track{display:flex;width:max-content;gap:0;animation:scroll-left 32s linear infinite;}
.marquee-track span{color:rgba(255,255,255,.55);font-family:var(--ff-display);font-size:1rem;padding:0 26px;white-space:nowrap;position:relative;}
.marquee-track span::after{content:"•";position:absolute;right:-3px;color:var(--accent);}
@keyframes scroll-left{from{transform:translateX(0);}to{transform:translateX(-50%);}}

/* ---------- Sections ---------- */
section{padding:96px 0;}
.section-head{max-width:640px;margin-bottom:52px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{font-size:clamp(1.7rem,3vw,2.3rem);}
.section-head p{color:var(--muted);font-size:1.05rem;}
.bg-surface{background:var(--surface);}
.bg-navy{background:var(--navy);color:#fff;}
.bg-navy .section-head p{color:rgba(255,255,255,.65);}
.bg-navy h2{color:#fff;}

/* ---------- Cards / grids ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
@media (max-width:860px){.grid-3,.grid-2{grid-template-columns:1fr;}}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent;}
.card-icon{width:52px;height:52px;border-radius:12px;background:var(--surface-2);display:flex;align-items:center;justify-content:center;margin-bottom:20px;}
.card-icon svg{width:26px;height:26px;stroke:var(--accent);}
.card h3{font-size:1.15rem;}
.card p{color:var(--muted);margin-bottom:0;font-size:.96rem;}
.card ul{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.card ul li{font-size:.92rem;color:var(--ink-soft);padding-left:20px;position:relative;}
.card ul li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:2px;background:var(--accent);}
.card .tag{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--accent);background:rgba(226,64,47,.1);padding:4px 10px;border-radius:999px;margin-bottom:14px;}

.card-dark{background:var(--navy);color:#fff;border:none;}
.card-dark p{color:rgba(255,255,255,.65);}
.card-dark .card-icon{background:rgba(255,255,255,.08);}

/* ---------- Discipline chips ---------- */
.chip-grid{display:flex;flex-wrap:wrap;gap:12px;}
.chip{
  padding:10px 20px;border:1px solid var(--line);border-radius:999px;font-size:.92rem;font-weight:500;
  background:#fff;color:var(--ink-soft);transition:.18s ease;
}
.chip:hover{border-color:var(--accent);color:var(--accent);}

/* ---------- Stats band ---------- */
.stats-band{background:var(--ink);color:#fff;padding:60px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center;}
.stats-grid b{display:block;font-family:var(--ff-display);font-size:2.1rem;color:var(--accent);}
.stats-grid span{font-size:.88rem;color:rgba(255,255,255,.6);}
@media (max-width:760px){.stats-grid{grid-template-columns:repeat(2,1fr);row-gap:32px;}}

/* ---------- Timeline (about page) ---------- */
.timeline{border-left:2px solid var(--line);margin-left:6px;}
.timeline-item{position:relative;padding:0 0 40px 32px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{content:"";position:absolute;left:-7px;top:2px;width:12px;height:12px;border-radius:50%;background:var(--accent);border:3px solid #fff;box-shadow:0 0 0 2px var(--accent);}
.timeline-item .year{font-family:var(--ff-display);color:var(--accent);font-weight:700;font-size:.95rem;display:block;margin-bottom:4px;}
.timeline-item h3{font-size:1.1rem;margin-bottom:6px;}
.timeline-item p{color:var(--muted);margin:0;}

/* ---------- Split content ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;}
@media (max-width:860px){.split{grid-template-columns:1fr;gap:32px;}}
.split-media{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:36px;}

/* ---------- CTA banner ---------- */
.cta-banner{background:linear-gradient(135deg,var(--accent),var(--accent-dark));color:#fff;}
.cta-banner-inner{text-align:center;max-width:680px;margin:0 auto;}
.cta-banner-inner .eyebrow{color:rgba(255,255,255,.85);}
.cta-banner-inner .eyebrow::before{background:#fff;}
.cta-banner-inner h2{color:#fff;}
.cta-banner-inner p{color:rgba(255,255,255,.85);}
.cta-banner .btn-dark{background:#fff;color:var(--ink);}
.cta-banner .btn-dark:hover{background:#151515;color:#fff;}

/* ---------- Forms ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.form-grid .full{grid-column:1/-1;}
@media (max-width:640px){.form-grid{grid-template-columns:1fr;}}
label{display:block;font-size:.85rem;font-weight:600;margin-bottom:6px;color:var(--ink-soft);}
input,textarea,select{
  width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:var(--radius-sm);
  font-family:var(--ff-body);font-size:.96rem;background:#fff;color:var(--ink);
  transition:border-color .18s ease, box-shadow .18s ease;
}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(226,64,47,.15);}
textarea{resize:vertical;min-height:130px;}
.form-note{font-size:.82rem;color:var(--muted);margin-top:14px;}

.contact-info-card{background:var(--navy);color:#fff;border-radius:var(--radius);padding:36px;}
.contact-info-card h3{color:#fff;}
.contact-row{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.1);}
.contact-row:last-child{border-bottom:none;}
.contact-row .ci{width:38px;height:38px;border-radius:10px;background:rgba(226,64,47,.2);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.contact-row .ci svg{width:18px;height:18px;stroke:var(--accent);}
.contact-row span{display:block;font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;color:rgba(255,255,255,.5);margin-bottom:2px;}
.contact-row strong{font-weight:600;font-size:.98rem;color:#fff;}

/* ---------- Breadcrumb / page header ---------- */
.page-hero{background:var(--navy);color:#fff;padding:64px 0 56px;}
.page-hero .eyebrow{color:var(--accent);}
.page-hero h1{color:#fff;font-size:clamp(1.9rem,3.6vw,2.6rem);}
.page-hero p{color:rgba(255,255,255,.68);max-width:60ch;margin:0;}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1);}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr 1fr;}}
.footer-brand .brand{color:#fff;}
.footer-brand p{color:rgba(255,255,255,.55);font-size:.92rem;margin-top:14px;max-width:32ch;}
.footer-col h4{color:#fff;font-family:var(--ff-body);font-size:.85rem;text-transform:uppercase;letter-spacing:.06em;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:.92rem;color:rgba(255,255,255,.6);transition:color .18s ease;}
.footer-col a:hover{color:#fff;}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-top:24px;font-size:.8rem;color:rgba(255,255,255,.4);}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease, transform .6s ease;}
.reveal.in{opacity:1;transform:translateY(0);}
.reveal-stagger .reveal:nth-child(1){transition-delay:.03s;}
.reveal-stagger .reveal:nth-child(2){transition-delay:.09s;}
.reveal-stagger .reveal:nth-child(3){transition-delay:.15s;}
.reveal-stagger .reveal:nth-child(4){transition-delay:.21s;}
.reveal-stagger .reveal:nth-child(5){transition-delay:.27s;}
.reveal-stagger .reveal:nth-child(6){transition-delay:.33s;}

@media (max-width:640px){
  section{padding:64px 0;}
  .hero{padding:48px 0 60px;}
}