/* =========================================================
   SBEW website – colours from the catalog (navy, orange, logo green)
   Light + dark themes via tokens. Breakpoints:
   ≥1600 wide desktop · ≤1200 laptop · ≤900 tablet · ≤600 phone
   ========================================================= */

/* Brand colours. A palette (data-palette) only changes these few values;
   every other colour is mixed from them, in light and dark mode. */
:root{
  --navy:#173A66; --navy-2:#214B7E; --orange:#F28C28; --orange-hi:#FF9C3A; --on-orange:#1B1206;
  --green:#2E6B3A;
  --h:'Archivo',system-ui,sans-serif; --b:'Inter',system-ui,sans-serif;
  --r:14px; --wrap:1180px; --gutter:24px;
}
:root[data-palette="steel"]  {--navy:#26313D; --navy-2:#3B4A5A; --orange:#F28C28; --orange-hi:#FF9C3A; --on-orange:#1B1206}
:root[data-palette="red"]    {--navy:#2A2A2E; --navy-2:#4A4A52; --orange:#D7263D; --orange-hi:#E8384F; --on-orange:#FFFFFF}
:root[data-palette="green"]  {--navy:#1E4D2B; --navy-2:#2E6B3A; --orange:#F2A024; --orange-hi:#FFB238; --on-orange:#1B1206}
:root[data-palette="royal"]  {--navy:#0B3D91; --navy-2:#1450B8; --orange:#F5B700; --orange-hi:#FFC81F; --on-orange:#1B1206}
:root[data-palette="copper"] {--navy:#2B211B; --navy-2:#5A4334; --orange:#C8742C; --orange-hi:#DA8740; --on-orange:#FFFFFF}
:root[data-palette="teal"]   {--navy:#0F4C5C; --navy-2:#16697A; --orange:#FF7A3D; --orange-hi:#FF8E57; --on-orange:#1B1206}

/* light theme */
:root{
  --bg:#FFFFFF; --surface:#FFFFFF; --surface-2:color-mix(in srgb,var(--navy) 5%,#F7F8FA); --input-bg:var(--surface-2);
  --text:#16202E; --muted:#556275; --line:color-mix(in srgb,var(--navy) 14%,#E6E9EE);
  --brand-ink:var(--navy); --accent-ink:color-mix(in srgb,var(--orange) 70%,#000);
  --tag-bg:color-mix(in srgb,var(--navy-2) 11%,#fff); --tag-ink:var(--navy-2);
  --chip-on-bg:var(--navy); --chip-on-ink:#FFFFFF;
  --policy-bg:#EEF5EF; --policy-ink:#2E6B3A;
  --header-bg:rgba(255,255,255,.92);
  --deep:color-mix(in srgb,var(--navy) 62%,#000); --deep-2:var(--navy);
  --footer:color-mix(in srgb,var(--navy) 36%,#000); --spares-bg:var(--navy);
  --step-bg:#FFFFFF;
  --shadow:0 18px 40px color-mix(in srgb,var(--navy) 14%,transparent);
  --img-dim:1;
  color-scheme:light;
}
/* dark theme: system setting (unless light was picked) or dark picked */
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:color-mix(in srgb,var(--navy) 16%,#06080C); --surface:color-mix(in srgb,var(--navy) 26%,#0B0E13);
    --surface-2:color-mix(in srgb,var(--navy) 20%,#080A0F); --input-bg:var(--bg);
    --text:#E6ECF4; --muted:#9DAEC4; --line:color-mix(in srgb,var(--navy) 40%,#1A2230);
    --brand-ink:color-mix(in srgb,var(--navy-2) 40%,#fff); --accent-ink:color-mix(in srgb,var(--orange) 85%,#fff);
    --tag-bg:color-mix(in srgb,var(--navy-2) 35%,#0B0E13); --tag-ink:color-mix(in srgb,var(--navy-2) 35%,#fff);
    --chip-on-bg:var(--orange); --chip-on-ink:var(--on-orange);
    --policy-bg:#11251A; --policy-ink:#7CC08A;
    --header-bg:color-mix(in srgb,var(--bg) 88%,transparent);
    --deep:color-mix(in srgb,var(--navy) 22%,#000); --deep-2:color-mix(in srgb,var(--navy) 58%,#000);
    --footer:color-mix(in srgb,var(--navy) 12%,#000); --spares-bg:color-mix(in srgb,var(--navy) 70%,#000);
    --step-bg:var(--surface);
    --shadow:0 18px 40px rgba(0,0,0,.45);
    --img-dim:.92;
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:color-mix(in srgb,var(--navy) 16%,#06080C); --surface:color-mix(in srgb,var(--navy) 26%,#0B0E13);
  --surface-2:color-mix(in srgb,var(--navy) 20%,#080A0F); --input-bg:var(--bg);
  --text:#E6ECF4; --muted:#9DAEC4; --line:color-mix(in srgb,var(--navy) 40%,#1A2230);
  --brand-ink:color-mix(in srgb,var(--navy-2) 40%,#fff); --accent-ink:color-mix(in srgb,var(--orange) 85%,#fff);
  --tag-bg:color-mix(in srgb,var(--navy-2) 35%,#0B0E13); --tag-ink:color-mix(in srgb,var(--navy-2) 35%,#fff);
  --chip-on-bg:var(--orange); --chip-on-ink:var(--on-orange);
  --policy-bg:#11251A; --policy-ink:#7CC08A;
  --header-bg:color-mix(in srgb,var(--bg) 88%,transparent);
  --deep:color-mix(in srgb,var(--navy) 22%,#000); --deep-2:color-mix(in srgb,var(--navy) 58%,#000);
  --footer:color-mix(in srgb,var(--navy) 12%,#000); --spares-bg:color-mix(in srgb,var(--navy) 70%,#000);
  --step-bg:var(--surface);
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --img-dim:.92;
  color-scheme:dark;
}

/* ---------- base ---------- */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{font-family:var(--b);color:var(--text);background:var(--bg);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;transition:background .25s,color .25s}
img{display:block;max-width:100%;height:auto;filter:brightness(var(--img-dim))}
.brand img{filter:none}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3{font-family:var(--h);line-height:1.12;letter-spacing:-.01em}
h2{font-size:clamp(26px,3.4vw,42px);font-weight:800;margin-bottom:16px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.section{padding:clamp(56px,8vw,104px) 0;position:relative;overflow:hidden}
.tint{background:var(--surface-2)}
.dark{background:var(--deep);color:#E7EDF5}
.muted{color:var(--muted)}
.dark .muted{color:#AFC0D6}
.narrow{max-width:640px}
.lead{font-size:clamp(16px,1.4vw,19px);color:#C9D6E6;margin-bottom:32px}
.eyebrow{font-family:var(--h);font-weight:700;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-ink);margin-bottom:14px;display:flex;align-items:center;gap:10px}
.eyebrow::before{content:"";flex:none;width:22px;height:3px;background:var(--orange);border-radius:2px}
.eyebrow.light{color:var(--orange)}
.small-title{font-size:15px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--brand-ink);margin-bottom:14px}
.nw{white-space:nowrap}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-family:var(--h);font-weight:700;font-size:16px;min-height:48px;padding:12px 24px;border-radius:10px;border:2px solid transparent;cursor:pointer;transition:transform .15s,background .15s,border-color .15s}
.btn i{font-style:normal;transition:transform .15s}
.btn:hover i{transform:translateX(4px)}
.btn-orange{background:var(--orange);color:var(--on-orange)}
.btn-orange:hover{background:var(--orange-hi)}
.btn-orange:disabled{opacity:.6;cursor:wait}
.btn-ghost{border-color:rgba(255,255,255,.35);color:#fff}
.btn-ghost:hover{border-color:#fff}
.btn-line{border-color:var(--line);color:var(--text);background:transparent}
.btn-line:hover{border-color:#25D366}
.btn-sm{min-height:40px;padding:8px 18px;font-size:15px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:var(--header-bg);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
.header-row{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:12px;margin-right:auto;min-width:0}
.brand img{flex:none}
.brand-text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand-text strong{font-family:var(--h);font-size:20px;font-weight:800;color:var(--brand-ink)}
.brand-text small{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav{display:flex;align-items:center;gap:clamp(16px,2.2vw,30px);font-weight:500;font-size:15px}
.nav a:not(.btn):hover{color:var(--accent-ink)}
.header-tools{display:flex;align-items:center;gap:6px}
.theme-btn,.menu-btn{width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:var(--surface);cursor:pointer;display:grid;place-items:center}
.theme-btn:hover{border-color:var(--orange)}
.theme-btn svg{width:20px;height:20px;fill:none;stroke:var(--text);stroke-width:2;stroke-linecap:round}
.theme-btn .i-moon{fill:var(--text);stroke:none}
.theme-btn .i-sun{display:none}
.is-dark .theme-btn .i-sun{display:block}
.is-dark .theme-btn .i-moon{display:none}
.menu-btn{display:none;align-content:center;gap:5px}
.menu-btn span{display:block;height:2px;width:20px;background:var(--text);border-radius:2px;transition:transform .2s,opacity .2s}
.menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- hero (full-width photo) ---------- */
.hero{position:relative;overflow:hidden;color:#fff;background:var(--deep);padding:clamp(72px,10vw,150px) 0 0;min-height:min(92vh,860px);display:flex;flex-direction:column;justify-content:flex-end}
.hero-shade{position:absolute;inset:0;background:
  linear-gradient(90deg,color-mix(in srgb,var(--deep) 95%,transparent) 0%,color-mix(in srgb,var(--deep) 84%,transparent) 36%,color-mix(in srgb,var(--deep) 40%,transparent) 66%,color-mix(in srgb,var(--deep) 18%,transparent) 100%),
  linear-gradient(0deg,color-mix(in srgb,var(--deep) 96%,transparent) 0%,transparent 40%)}
.hero-grid{position:relative;z-index:1;width:100%}
.hero-copy{max-width:620px}
.hero h1,.hero .hero-title{font-size:clamp(34px,5vw,64px);font-weight:800;margin-bottom:22px;line-height:1.08;text-shadow:0 2px 24px rgba(0,0,0,.35)}
.hero h1 span,.hero .hero-title span{color:var(--orange)}
.hero .lead{color:#D7E2F0}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-badge{display:inline-flex;gap:8px;align-items:baseline;margin-top:28px;padding:10px 16px;border-radius:10px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);font-size:14px;color:#D7E2F0}
.hero-badge b{font-family:var(--h);color:#fff;font-size:16px}
.hero .wrap.facts{position:relative;z-index:1;width:100%;margin-top:28px}

/* slider: photos fade + slow zoom (Ken Burns), copy fades up */
.slides{position:absolute;inset:0}
.slide{position:absolute;inset:0;margin:0;opacity:0;transition:opacity 1.4s ease}
.slide.is-active{opacity:1}
.slide img{width:100%;height:100%;object-fit:cover;filter:none;transform:scale(1.03)}
.slide.is-active img,.slide.was-active img{animation:kenburns 9s ease-out forwards}
.slide[data-dir="0"]{--tx:-2%;--ty:-1.5%;--o:65% 50%}
.slide[data-dir="1"]{--tx:2%;--ty:-1%;--o:40% 50%}
.slide[data-dir="2"]{--tx:-1.5%;--ty:1.5%;--o:55% 45%}
.slide[data-dir="3"]{--tx:1.5%;--ty:1%;--o:50% 50%}
.slide img{object-position:var(--o)}
@keyframes kenburns{from{transform:scale(1.03) translate(0,0)}to{transform:scale(1.15) translate(var(--tx),var(--ty))}}
.hero-grid{display:grid}
.slide-copy{grid-area:1/1;align-self:end;opacity:0;visibility:hidden;transform:translateY(16px);transition:opacity .6s ease,transform .8s ease,visibility 0s .6s}
.slide-copy.is-active{opacity:1;visibility:visible;transform:none;transition:opacity .8s ease .35s,transform .9s ease .35s,visibility 0s}
.hero-tabs{position:relative;z-index:1;width:100%;display:flex;align-items:flex-end;gap:20px;margin-top:clamp(36px,5vw,64px)}
.tabs-row{flex:1;display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(10px,2vw,20px)}
.hero-tab{background:none;border:0;padding:8px 0 0;cursor:pointer;display:flex;flex-direction:column;gap:12px;text-align:left;color:rgba(255,255,255,.6);font:600 clamp(12px,1.2vw,15px) var(--h);transition:color .3s}
.hero-tab:hover,.hero-tab.is-active{color:#fff}
.hero-tab i{position:relative;display:block;height:3px;border-radius:3px;background:rgba(255,255,255,.22);overflow:hidden}
.hero-tab i::after{content:"";position:absolute;inset:0;background:var(--orange);transform:scaleX(0);transform-origin:left}
.hero-tab.is-active i::after{animation:tabprogress 7s linear forwards}
@keyframes tabprogress{to{transform:scaleX(1)}}
.hero.is-paused .hero-tab.is-active i::after,.hero.is-paused .slide img{animation-play-state:paused}
.hero-pause{flex:none;width:40px;height:40px;border-radius:50%;display:grid;place-items:center;cursor:pointer;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.08);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.hero-pause:hover{border-color:#fff}
.hero-pause svg{width:16px;height:16px;fill:#fff}
.hero-pause .i-play,.hero.is-paused .hero-pause .i-pause{display:none}
.hero.is-paused .hero-pause .i-play{display:block}
@media (prefers-reduced-motion:reduce){.slide img{animation:none!important}.slide-copy{transform:none}}
.facts{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(255,255,255,.15);position:relative}
.facts div{padding:26px 20px 30px 0}
.facts div+div{padding-left:24px;border-left:1px solid rgba(255,255,255,.15)}
.facts b{display:block;font-family:var(--h);font-size:clamp(24px,2.4vw,30px);color:var(--orange);font-weight:800}
.facts span{font-size:14px;color:#BFD0E4}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,5vw,72px);align-items:start}
.policy{margin-top:28px;padding:20px 22px;border-left:4px solid var(--policy-ink);background:var(--policy-bg);border-radius:0 10px 10px 0}
.policy-tag{font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--policy-ink)}
.policy p{font-family:var(--h);font-size:18px;font-weight:600;margin-top:4px}
.values{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.values li{border:1px solid var(--line);background:var(--surface);border-radius:12px;padding:18px;font-weight:500;line-height:1.4;transition:border-color .2s,transform .2s}
.values li:hover{border-color:var(--orange);transform:translateY(-2px)}
.values span{display:block;font-family:var(--h);font-weight:800;color:var(--orange);margin-bottom:6px}

/* ---------- key areas ---------- */
.areas-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(36px,5vw,72px);align-items:center}
.areas-media img{border-radius:var(--r);aspect-ratio:4/5;object-fit:cover;width:100%}
.areas{counter-reset:a;display:grid;grid-template-columns:1fr 1fr;gap:0 28px;margin-top:12px}
.areas li{counter-increment:a;display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);font-size:15px;line-height:1.45}
.areas li::before{content:counter(a,decimal-leading-zero);font-family:var(--h);font-weight:700;color:var(--brand-ink);font-size:13px;padding-top:2px}

/* ---------- products ---------- */
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px 24px;flex-wrap:wrap;margin-bottom:36px}
.section-head h2{margin-bottom:0}
.filters{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-weight:500;font-size:14px;min-height:40px;padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--text);cursor:pointer}
.chip:hover{border-color:var(--brand-ink)}
.chip.is-on{background:var(--chip-on-bg);border-color:var(--chip-on-bg);color:var(--chip-on-ink)}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--surface);display:flex;flex-direction:column;transition:box-shadow .2s,transform .2s}
.card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.card[hidden]{display:none}
.card img{aspect-ratio:4/3;object-fit:cover;width:100%}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.tag{align-self:flex-start;font-size:12px;font-weight:600;color:var(--tag-ink);background:var(--tag-bg);padding:3px 10px;border-radius:999px}
.card h3{font-size:19px;font-weight:700}
.card p{font-size:15px;color:var(--muted);line-height:1.5}
details{margin-top:auto;padding-top:8px;border-top:1px dashed var(--line)}
summary{cursor:pointer;font-weight:600;font-size:14px;color:var(--accent-ink);list-style:none;display:flex;justify-content:space-between;min-height:32px;align-items:center}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:18px;line-height:1}
details[open] summary::after{content:"–"}
details ul{margin-top:6px}
details li{font-size:14px;color:var(--muted);padding:3px 0 3px 16px;position:relative}
details li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--orange)}

/* ---------- melt shop ---------- */
.melt-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;position:relative}
.melt-grid figure{position:relative;border-radius:var(--r);overflow:hidden}
.melt-grid img{aspect-ratio:3/4;object-fit:cover;width:100%;transition:transform .5s}
.melt-grid figure:hover img{transform:scale(1.05)}
.melt-grid figcaption{position:absolute;inset:auto 0 0 0;padding:40px 16px 16px;background:linear-gradient(transparent,rgba(5,15,30,.9));font-family:var(--h);font-weight:700;font-size:clamp(15px,1.4vw,18px);color:#fff}

/* ---------- r&d ---------- */
.rnd-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:clamp(36px,5vw,72px);align-items:center}
.rnd-cols{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:32px}
.ticks li{padding:7px 0 7px 28px;position:relative;font-size:15px;line-height:1.45}
.ticks li::before{content:"";position:absolute;left:0;top:10px;width:16px;height:16px;border-radius:50%;background:var(--orange) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5' fill='none' stroke='%23fff' stroke-width='2'/%3E%3C/svg%3E") center/16px}
.rnd-media img{border-radius:var(--r);aspect-ratio:3/4;object-fit:cover;width:100%}

/* ---------- quality steps ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);margin:40px 0 32px;position:relative}
.steps::before{content:"";position:absolute;top:27px;left:10%;right:10%;height:3px;background:linear-gradient(90deg,var(--navy-2),var(--orange))}
.steps li{text-align:center;font-family:var(--h);font-weight:600;position:relative;padding:0 8px}
.steps b{display:grid;place-items:center;width:56px;height:56px;margin:0 auto 14px;border-radius:50%;background:var(--step-bg);border:3px solid var(--navy-2);color:var(--brand-ink);font-size:20px}
.steps li:last-child b{background:var(--orange);border-color:var(--orange);color:var(--on-orange)}

/* ---------- spares ---------- */
.spares{display:grid;grid-template-columns:1.1fr 1fr;border-radius:20px;overflow:hidden;background:var(--spares-bg)}
.spares img{width:100%;height:100%;object-fit:cover;min-height:320px}
.spares-copy{padding:clamp(32px,4vw,56px) clamp(24px,4vw,48px);color:#fff;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;gap:6px}
.spares-copy p{color:#C9D6E6;margin-bottom:22px}

/* ---------- contact + form ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(36px,5vw,72px);align-items:start}
.contact-list{margin-top:28px;display:grid;gap:18px}
.contact-list li{display:grid;grid-template-columns:90px 1fr;gap:12px;font-size:16px;overflow-wrap:anywhere}
.contact-list span{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--orange);padding-top:2px}
.contact-list a:hover{color:var(--orange)}
.form{background:var(--surface);color:var(--text);border:1px solid var(--line);border-radius:var(--r);padding:clamp(20px,3vw,32px);display:grid;gap:16px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form label{display:grid;gap:6px;font-size:14px;font-weight:600}
.form input,.form textarea,.form select{font-size:16px;font-weight:400;width:100%;min-height:48px;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:var(--input-bg);color:var(--text)}
.form textarea{resize:vertical}
.form input:focus,.form textarea:focus,.form select:focus{outline:2px solid var(--orange);border-color:transparent}
.form .bad{outline:2px solid #D7263D;border-color:transparent}
.form .hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.form-actions{display:flex;flex-wrap:wrap;gap:12px}
.form-status{font-size:14px;min-height:1.4em;color:var(--muted)}
.form-status.is-ok{color:#1E9E5A}
.form-status.is-error{color:#E5484D}

/* ---------- footer ---------- */
.footer{background:var(--footer);color:#AFC0D6;padding:32px 0;font-size:14px}
.footer-row{display:flex;align-items:center;justify-content:space-between;gap:20px 24px;flex-wrap:wrap}
.footer .brand{margin-right:0}
.footer .brand-text strong{color:#fff}
.footer .brand-text small{color:#AFC0D6}
.footer nav{display:flex;gap:8px 22px;flex-wrap:wrap}
.footer nav a:hover{color:var(--orange)}

/* =========================================================
   RESPONSIVE
   ========================================================= */

/* wide desktop (1600+) */
@media (min-width:1600px){
  :root{--wrap:1340px}
  body{font-size:17px}
  .cards{gap:26px}
}

/* small laptop (≤1200) */
@media (max-width:1200px){
  .cards{grid-template-columns:repeat(3,1fr)}
}

/* tablet (≤900): menu collapses, columns stack */
@media (max-width:900px){
  .menu-btn{display:grid}
  .nav{position:fixed;inset:72px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;background:var(--bg);border-bottom:1px solid var(--line);box-shadow:var(--shadow);padding:8px var(--gutter) 20px;display:none;max-height:calc(100dvh - 72px);overflow:auto}
  .nav.open{display:flex}
  .nav a{padding:14px 4px;border-bottom:1px solid var(--line);font-size:16px}
  .nav .btn{margin-top:16px;border:0}
  .hero-grid,.about-grid,.areas-grid,.rnd-grid,.contact-grid,.spares{grid-template-columns:1fr}
  .facts{grid-template-columns:1fr 1fr}
  .facts div{border-top:1px solid rgba(255,255,255,.15)}
  .facts div:nth-child(-n+2){border-top:0}
  .facts div:nth-child(3){padding-left:0;border-left:0}
  .cards{grid-template-columns:repeat(2,1fr)}
  .melt-grid{grid-template-columns:1fr 1fr}
  .areas-media{display:none}
  .rnd-media{order:-1}
  .rnd-media img{aspect-ratio:16/10}
  .spares img{min-height:0;aspect-ratio:16/9}
}

/* phone (≤600) */
@media (max-width:600px){
  :root{--gutter:16px}
  .header-row{height:64px;gap:12px}
  .nav{inset:64px 0 auto 0;max-height:calc(100dvh - 64px)}
  html{scroll-padding-top:72px}
  .brand img{width:38px;height:38px}
  .brand-text small{display:none}
  .hero-actions .btn{flex:1 1 100%}
  .hero{min-height:0;padding-top:56px}
  .hero-shade{background:linear-gradient(0deg,color-mix(in srgb,var(--deep) 97%,transparent) 0%,color-mix(in srgb,var(--deep) 86%,transparent) 55%,color-mix(in srgb,var(--deep) 55%,transparent) 100%)}
  .facts div{padding:20px 12px 22px 0}
  .facts div+div{padding-left:14px}
  .facts div:nth-child(3){padding-left:0}
  .values,.areas,.rnd-cols,.form-row{grid-template-columns:1fr}
  .section-head{margin-bottom:24px}
  .filters{flex-wrap:nowrap;overflow-x:auto;margin:0 calc(var(--gutter) * -1);padding:2px var(--gutter);scrollbar-width:none}
  .filters::-webkit-scrollbar{display:none}
  .chip{flex:none}
  .cards{grid-template-columns:1fr;gap:16px}
  .melt-grid{gap:10px}
  .steps{grid-template-columns:1fr;gap:18px;margin:28px 0}
  .steps::before{top:0;bottom:0;left:27px;right:auto;width:3px;height:auto;background:linear-gradient(var(--navy-2),var(--orange))}
  .steps li{display:flex;align-items:center;gap:16px;text-align:left;padding:0}
  .steps b{margin:0;flex:none}
  .contact-list li{grid-template-columns:1fr;gap:2px}
  .form-actions .btn{flex:1 1 100%}
  .footer-row{flex-direction:column;align-items:flex-start}
}

@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* =========================================================
   PREMIUM LAYER – refined type, spacing, header over hero,
   soft cards, scroll reveal. Sits on top of the base styles.
   ========================================================= */
body{line-height:1.7;letter-spacing:.005em}
h2{font-weight:700;letter-spacing:-.025em;font-size:clamp(30px,3.8vw,50px);line-height:1.08;margin-bottom:20px}
.section{padding:clamp(76px,10vw,140px) 0}
.muted{font-size:17px}
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.24em;margin-bottom:18px}
.eyebrow::before{width:36px;height:1px}

/* header floats over the hero, turns solid after scrolling */
.site-header{position:fixed;left:0;right:0;transition:background .35s,border-color .35s,box-shadow .35s}
.site-header.is-scrolled{box-shadow:0 12px 32px rgba(0,0,0,.08)}
.site-header:not(.is-scrolled):not(.menu-open){background:transparent;border-bottom-color:rgba(255,255,255,.12);backdrop-filter:none;-webkit-backdrop-filter:none}
.site-header:not(.is-scrolled):not(.menu-open) .brand-text strong,
.site-header:not(.is-scrolled):not(.menu-open) .nav a:not(.btn){color:#fff}
.site-header:not(.is-scrolled):not(.menu-open) .brand-text small{color:rgba(255,255,255,.72)}
.site-header:not(.is-scrolled):not(.menu-open) .theme-btn,
.site-header:not(.is-scrolled):not(.menu-open) .menu-btn{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.28)}
.site-header:not(.is-scrolled):not(.menu-open) .theme-btn svg{stroke:#fff}
.site-header:not(.is-scrolled):not(.menu-open) .theme-btn .i-moon{fill:#fff}
.site-header:not(.is-scrolled):not(.menu-open) .menu-btn span{background:#fff}
.nav a:not(.btn){position:relative}
.nav a:not(.btn)::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .3s}
.nav a:not(.btn):hover::after{transform:scaleX(1)}

/* hero: taller, bigger type */
.hero{min-height:min(100vh,940px);padding-top:calc(72px + clamp(40px,7vw,110px))}
.hero h1,.hero .hero-title{font-weight:700;letter-spacing:-.03em;font-size:clamp(38px,5.6vw,78px);line-height:1.02}
.hero .lead{font-size:clamp(16px,1.35vw,19px);max-width:520px;color:#D3DDEA}
.facts b{font-weight:700;font-size:clamp(26px,2.6vw,36px);letter-spacing:-.02em}

/* buttons: pill, soft glow */
.btn{border-radius:999px;padding:13px 28px;letter-spacing:.01em;transition:transform .2s,background .2s,box-shadow .2s,border-color .2s}
.btn-orange{box-shadow:0 10px 28px color-mix(in srgb,var(--orange) 32%,transparent)}
.btn-orange:hover{transform:translateY(-1px);box-shadow:0 14px 34px color-mix(in srgb,var(--orange) 42%,transparent)}
.btn-ghost{backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);background:rgba(255,255,255,.06)}
.chip{border-radius:999px}

/* cards: no hard border, soft shadow, photo zoom */
.card{border:1px solid transparent;border-radius:20px;box-shadow:0 1px 2px rgba(0,0,0,.04),0 10px 30px color-mix(in srgb,var(--navy) 9%,transparent)}
.card img{transition:transform .9s cubic-bezier(.2,.7,.2,1)}
.card:hover img{transform:scale(1.06)}
.card-body{position:relative;z-index:1;background:var(--surface);padding:22px 22px 24px}
.card h3{font-size:20px;letter-spacing:-.01em}
.values li{border-color:transparent;background:var(--surface-2);border-radius:16px;padding:22px}
.melt-grid figure,.areas-media img,.rnd-media img{border-radius:20px}
.spares{border-radius:28px}
.form{border-radius:20px}
.dark{background:radial-gradient(1100px 520px at 85% 0%,color-mix(in srgb,var(--navy) 55%,transparent),transparent 65%),var(--deep)}
.is-dark .card,.is-dark .values li{border-color:var(--line);box-shadow:none}
:root[data-theme="dark"] .card{border-color:var(--line);box-shadow:none}

/* scroll reveal (only when JS adds .reveal; reduced-motion users skip it) */
.reveal{opacity:0;transform:translateY(28px);transition:opacity 1s cubic-bezier(.2,.7,.2,1) var(--d,0s),transform 1s cubic-bezier(.2,.7,.2,1) var(--d,0s)}
.reveal.in{opacity:1;transform:none}

@media (max-width:600px){
  .hero{min-height:0;padding-top:calc(64px + 44px)}
  .card-body{padding:18px}
}