/* ===== Theme variables ===== */
:root{
  --bg:#ffffff;
  --bg-2:#f5f7fa;
  --bg-3:#eef1f6;
  --card:#ffffff;
  --card-2:#f8fafc;
  --line:rgba(15,23,42,.08);
  --line-strong:rgba(15,23,42,.16);
  --text:#0f172a;
  --muted:#475569;
  --muted-2:#64748b;
  --ice:#0284c7;
  --ice-soft:#0369a1;
  --ice-deep:#0369a1;
  --gold:#b8860b;
  --gold-soft:#d4a017;
  --good:#059669;
  --radius:14px;
  --radius-sm:9px;
  --shadow:0 20px 50px -22px rgba(15,23,42,.22);
  --maxw:1180px;
  /* theme-specific (light) */
  --header-bg:rgba(255,255,255,.85);
  --menu-bg:rgba(255,255,255,.98);
  --panel-tag-bg:rgba(255,255,255,.88);
  --on-accent:#ffffff;
  --control-bg:rgba(15,23,42,.03);
  --ice-ghost:rgba(2,132,199,.08);
  --ice-border:rgba(2,132,199,.15);
  --gold-ghost:rgba(184,134,11,.07);
  --selection-bg:rgba(2,132,199,.18);
  --hero-bg:
    linear-gradient(115deg, rgba(255,255,255,.98) 0%, rgba(255,255,255,.94) 45%, rgba(255,255,255,.72) 100%),
    radial-gradient(1200px 700px at 80% 20%, rgba(2,132,199,.10), transparent 55%);
  --hero-grid-line:rgba(15,23,42,.05);
  --ambient:
    radial-gradient(900px 500px at 85% -5%, rgba(2,132,199,.06), transparent 60%),
    radial-gradient(700px 500px at 0% 10%, rgba(180,83,9,.04), transparent 55%);
}
html[data-theme="dark"]{
  --bg:#0a0f1c;
  --bg-2:#0e1526;
  --bg-3:#131c30;
  --card:#111a2c;
  --card-2:#162135;
  --line:rgba(148,163,184,.14);
  --line-strong:rgba(148,163,184,.26);
  --text:#e7edf7;
  --muted:#9aa7bd;
  --muted-2:#6b7891;
  --ice:#38bdf8;
  --ice-soft:#7dd3fc;
  --ice-deep:#0ea5e9;
  --gold:#d4af37;
  --gold-soft:#e8c96a;
  --good:#34d399;
  --shadow:0 20px 50px -20px rgba(0,0,0,.65);
  --header-bg:rgba(10,15,28,.82);
  --menu-bg:rgba(10,15,28,.98);
  --panel-tag-bg:rgba(10,15,28,.7);
  --on-accent:#04121f;
  --control-bg:rgba(255,255,255,.04);
  --ice-ghost:rgba(56,189,248,.1);
  --ice-border:rgba(56,189,248,.2);
  --gold-ghost:rgba(212,175,55,.06);
  --selection-bg:rgba(56,189,248,.3);
  --hero-bg:
    linear-gradient(115deg, rgba(10,15,28,.97) 0%, rgba(10,15,28,.9) 42%, rgba(10,15,28,.55) 100%),
    radial-gradient(1200px 700px at 80% 20%, rgba(56,189,248,.14), transparent 55%);
  --hero-grid-line:rgba(148,163,184,.07);
  --ambient:
    radial-gradient(900px 500px at 85% -5%, rgba(56,189,248,.10), transparent 60%),
    radial-gradient(700px 500px at 0% 10%, rgba(212,175,55,.06), transparent 55%);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  transition:background-color .3s,color .3s;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
::selection{background:var(--selection-bg);color:var(--text)}

body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:var(--ambient);
}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
section{padding:96px 0}
.section-head{max-width:680px;margin-bottom:52px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;
  color:var(--ice);margin-bottom:16px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--ice)}
h1,h2,h3{font-family:'Space Grotesk',sans-serif;font-weight:600;line-height:1.15}
h2{font-size:clamp(30px,4vw,44px);letter-spacing:-.01em}
h3{font-size:20px;letter-spacing:0}
.lead{color:var(--muted);font-size:17px;margin-top:16px}
.gold{color:var(--gold)}
.ice{color:var(--ice)}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;gap:10px;padding:14px 28px;
  border-radius:999px;font-weight:600;font-size:15px;cursor:pointer;
  border:1px solid transparent;transition:.25s;letter-spacing:.01em;
}
.btn-primary{
  background:linear-gradient(135deg,var(--ice),var(--ice-deep));color:var(--on-accent);
  box-shadow:0 12px 30px -12px rgba(2,132,199,.45);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px -14px rgba(2,132,199,.5)}
.btn-ghost{border-color:var(--line-strong);color:var(--text);background:var(--control-bg)}
.btn-ghost:hover{border-color:var(--ice);color:var(--ice);background:var(--ice-ghost)}
.btn-gold{background:linear-gradient(135deg,var(--gold-soft),var(--gold));color:#3a2a04}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 34px -12px rgba(184,134,11,.45)}

/* ===== Header ===== */
header{
  position:fixed;top:0;left:0;right:0;z-index:100;transition:.3s;background:transparent;
}
header.scrolled{
  background:var(--header-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);box-shadow:0 4px 20px -12px rgba(15,23,42,.12);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.logo{display:flex;align-items:center;gap:12px;font-family:'Space Grotesk',sans-serif}
.logo-mark{
  width:42px;height:42px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--ice),var(--ice-deep));
  display:grid;place-items:center;color:var(--on-accent);font-weight:700;font-size:16px;
  box-shadow:0 8px 20px -8px rgba(2,132,199,.5);
}
.logo-name{font-size:19px;font-weight:600;letter-spacing:.01em}
.logo-sub{display:block;font-size:10.5px;letter-spacing:.28em;color:var(--muted);text-transform:uppercase;font-family:'Inter',sans-serif;font-weight:500}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none}
.nav-links a{font-size:14.5px;color:var(--muted);font-weight:500;position:relative;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.nav-links a.active::after{content:"";position:absolute;left:0;bottom:-6px;width:100%;height:2px;background:var(--ice);border-radius:2px}
.nav-cta{display:flex;align-items:center;gap:14px}
.has-drop{position:relative}
.has-drop>a{display:flex;align-items:center;gap:5px}
.has-drop .drop{
  position:absolute;top:calc(100% + 14px);left:0;min-width:210px;
  background:var(--bg-2);border:1px solid var(--line-strong);border-radius:12px;
  padding:8px;box-shadow:var(--shadow);list-style:none;display:grid;gap:2px;
  opacity:0;visibility:hidden;transform:translateY(-6px);transition:.2s;
}
.has-drop:hover .drop{opacity:1;visibility:visible;transform:none}
.has-drop .drop a{display:block;padding:9px 12px;border-radius:8px;font-size:14px;color:var(--muted)}
.has-drop .drop a:hover{background:var(--ice-ghost);color:var(--ice)}
.hamburger{display:none;background:none;border:none;cursor:pointer;width:40px;height:40px;border-radius:8px;border:1px solid var(--line)}
.hamburger span{display:block;width:20px;height:2px;background:var(--text);margin:4px auto;transition:.25s;border-radius:2px}

/* ===== Theme toggle ===== */
.theme-btn{
  display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;
  border-radius:999px;border:1px solid var(--line-strong);background:var(--control-bg);
  color:var(--text);cursor:pointer;transition:.2s;flex:0 0 auto;
}
.theme-btn:hover{border-color:var(--ice);color:var(--ice)}
.theme-btn .ic-sun{display:none}
html[data-theme="dark"] .theme-btn .ic-sun{display:inline}
html[data-theme="dark"] .theme-btn .ic-moon{display:none}

/* ===== Language switcher ===== */
.lang{position:relative}
.lang-btn{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--control-bg);border:1px solid var(--line-strong);color:var(--text);
  padding:9px 14px;border-radius:999px;font-size:13px;font-weight:600;cursor:pointer;transition:.2s;
}
.lang-btn:hover{border-color:var(--ice)}
.lang-btn svg{color:var(--ice)}
.lang-btn .caret{transition:.2s}
.lang.open .caret{transform:rotate(180deg)}
.lang-menu{
  position:absolute;top:calc(100% + 10px);right:0;
  background:var(--bg-2);border:1px solid var(--line-strong);border-radius:12px;
  padding:6px;min-width:172px;box-shadow:var(--shadow);z-index:120;
  opacity:0;visibility:hidden;transform:translateY(-6px);transition:.2s;
}
.lang.open .lang-menu{opacity:1;visibility:visible;transform:none}
.lang-menu button{
  display:flex;width:100%;align-items:center;justify-content:space-between;gap:12px;
  background:none;border:none;color:var(--text);padding:10px 13px;border-radius:8px;
  font-size:14px;cursor:pointer;text-align:left;transition:.15s;
}
.lang-menu button:hover{background:var(--ice-ghost)}
.lang-menu button.active{color:var(--ice);font-weight:600}
.lang-menu button small{color:var(--muted-2);font-size:11px;letter-spacing:.06em;font-weight:600}

/* ===== Hero (home) ===== */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding:140px 0 90px;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:-1}
.hero-bg::before{
  content:"";position:absolute;inset:0;
  background:var(--hero-bg),url('../projects/wine-cellar-glass-door.jpg') center/cover no-repeat;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:
    linear-gradient(var(--hero-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--hero-grid-line) 1px, transparent 1px);
  background-size:56px 56px;
}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:center}
.hero h1{font-size:clamp(40px,6vw,64px);line-height:1.05}
.hero h1 .accent{
  background:linear-gradient(120deg,var(--ice),var(--ice-soft),var(--gold));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p{font-size:19px;color:var(--muted);max-width:560px;margin-top:24px}
.hero-actions{display:flex;gap:16px;margin-top:36px;flex-wrap:wrap}
.hero-stats{display:flex;gap:44px;margin-top:56px}
.stat .num{font-family:'Space Grotesk',sans-serif;font-size:40px;font-weight:700;color:var(--text);line-height:1}
.stat .num span{color:var(--ice)}
.stat .lbl{font-size:13px;color:var(--muted-2);margin-top:8px;letter-spacing:.04em}
.hero-panel{
  position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line-strong);
  box-shadow:var(--shadow);aspect-ratio:4/5;background:linear-gradient(160deg,var(--bg-3),var(--bg-2));
  display:flex;align-items:flex-end;
}
.hero-panel .tag{
  position:relative;z-index:2;margin:18px;padding:14px 18px;border-radius:12px;
  background:var(--panel-tag-bg);backdrop-filter:blur(10px);border:1px solid var(--line-strong);
}
.hero-panel .tag b{color:var(--ice-soft);font-size:15px}
.hero-panel .tag small{color:var(--muted);font-size:13px}

/* ===== Inner page hero ===== */
.inner-hero{position:relative;padding:160px 0 70px;background:linear-gradient(160deg,var(--bg-3),var(--bg));border-bottom:1px solid var(--line)}
.inner-hero .wrap{position:relative}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted-2);margin-bottom:20px;flex-wrap:wrap}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--ice)}
.breadcrumb .sep{opacity:.5}
.inner-hero h1{font-size:clamp(34px,5vw,52px);max-width:760px}
.inner-hero .lead{max-width:680px}
.inner-hero .cta-row{display:flex;gap:16px;margin-top:28px;flex-wrap:wrap}

/* ===== Trust strip ===== */
.trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-2)}
.trust .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:26px 28px;flex-wrap:wrap}
.trust-item{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:14.5px;font-weight:500}
.trust-item svg{flex:0 0 auto;color:var(--ice)}

/* ===== Cards ===== */
.grid{display:grid;gap:24px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;transition:.3s;position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);background:var(--card-2)}
.card .ico{
  width:52px;height:52px;border-radius:12px;display:grid;place-items:center;margin-bottom:20px;
  background:var(--ice-ghost);color:var(--ice);border:1px solid var(--ice-border);
}
.card h3{margin-bottom:12px}
.card p{color:var(--muted);font-size:15px}
.card .more{display:inline-flex;align-items:center;gap:6px;margin-top:18px;color:var(--ice);font-size:14px;font-weight:600}
.card .more svg{transition:.2s}
.card:hover .more svg{transform:translateX(4px)}

/* ===== Split / feature ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.split-media{
  border-radius:20px;border:1px solid var(--line-strong);overflow:hidden;position:relative;
  background:linear-gradient(160deg,var(--bg-3),var(--bg-2));min-height:420px;
  display:grid;place-items:center;box-shadow:var(--shadow);
}
.panel-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.split h2{margin-bottom:20px}
.split p{color:var(--muted);margin-bottom:16px}
.checklist{list-style:none;margin-top:24px;display:grid;gap:14px}
.checklist li{display:flex;gap:12px;align-items:flex-start;color:var(--text);font-size:15.5px}
.checklist li svg{flex:0 0 auto;color:var(--good);margin-top:3px}

/* ===== Numbers band ===== */
.numbers{background:linear-gradient(120deg,var(--bg-3),var(--bg-2));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.numbers .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;padding:64px 28px}
.num-cell{text-align:center}
.num-cell .n{font-family:'Space Grotesk',sans-serif;font-size:46px;font-weight:700;color:var(--text)}
.num-cell .n span{color:var(--ice)}
.num-cell .t{color:var(--muted-2);font-size:14px;margin-top:6px;letter-spacing:.04em;text-transform:uppercase}

/* ===== Projects ===== */
.filters{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:36px}
.filter{
  padding:9px 20px;border-radius:999px;border:1px solid var(--line-strong);
  background:transparent;color:var(--muted);font-size:14px;font-weight:500;cursor:pointer;transition:.2s;
}
.filter:hover{color:var(--text)}
.filter.active{background:var(--ice);color:var(--on-accent);border-color:var(--ice);font-weight:600}
.proj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.proj{
  position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  aspect-ratio:4/3;cursor:pointer;background:linear-gradient(160deg,var(--bg-3),var(--bg-2));
}
.proj-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.proj:hover .proj-img{transform:scale(1.06)}
.proj::after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 55%, rgba(10,15,28,.82));pointer-events:none}
.proj .meta{position:absolute;left:0;right:0;bottom:0;padding:16px 18px;z-index:2}
.proj .meta b{display:block;font-size:15.5px;color:#fff}
.proj .meta span{font-size:12.5px;color:#7dd3fc;letter-spacing:.06em;text-transform:uppercase}

/* ===== Contact ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px}
.field{margin-bottom:20px}
.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:8px;color:var(--muted)}
.field input,.field textarea,.field select{
  width:100%;padding:14px 16px;border-radius:var(--radius-sm);border:1px solid var(--line-strong);
  background:var(--bg-2);color:var(--text);font-size:15px;font-family:inherit;transition:.2s;
}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--ice);box-shadow:0 0 0 3px var(--ice-ghost)}
.field textarea{min-height:130px;resize:vertical}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.info-block{display:flex;gap:16px;align-items:flex-start;padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);margin-bottom:16px}
.info-block .ico{width:46px;height:46px;flex:0 0 auto;border-radius:11px;display:grid;place-items:center;background:var(--ice-ghost);color:var(--ice);border:1px solid var(--ice-border)}
.info-block h4{font-size:15px;margin-bottom:4px}
.info-block p{color:var(--muted);font-size:14.5px}
.info-block a{color:var(--ice)}
.info-block a:hover{text-decoration:underline}

/* ===== Footer ===== */
footer{background:var(--bg-2);border-top:1px solid var(--line);padding:64px 0 0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.foot-grid h4{font-size:14px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);margin-bottom:18px}
.foot-grid ul{list-style:none;display:grid;gap:11px}
.foot-grid ul a{color:var(--muted);font-size:14.5px;transition:.2s}
.foot-grid ul a:hover{color:var(--ice)}
.foot-about p{color:var(--muted);font-size:14.5px;margin-top:16px;max-width:300px}
.foot-bottom{border-top:1px solid var(--line);padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--muted-2);font-size:13.5px}

/* ===== FAQ accordion ===== */
.faq-list{max-width:820px;margin:0 auto;display:grid;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);overflow:hidden}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;font-weight:600;font-size:16.5px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:24px;color:var(--ice);transition:.2s;flex:0 0 auto}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .faq-a{padding:0 24px 22px;color:var(--muted);font-size:15.5px}

/* ===== Blog article ===== */
.article{max-width:760px;margin:0 auto}
.article-meta{display:flex;gap:16px;align-items:center;color:var(--muted-2);font-size:13.5px;margin-bottom:28px;flex-wrap:wrap}
.article h2{margin:44px 0 16px;font-size:28px}
.article p{color:var(--muted);font-size:16.5px;margin-bottom:18px}
.article ul,.article ol{margin:0 0 20px 22px;color:var(--muted);font-size:16px;display:grid;gap:10px}
.article table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article th,.article td{border:1px solid var(--line-strong);padding:12px 14px;text-align:left}
.article th{background:var(--bg-3);color:var(--text);font-weight:600}
.article td{color:var(--muted)}
.article .callout{border-left:3px solid var(--gold);background:var(--gold-ghost);padding:16px 20px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin:24px 0;color:var(--text);font-size:15.5px}
.article strong{color:var(--text)}

/* ===== Reveal animation ===== */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ===== Mobile ===== */
@media(max-width:960px){
  .nav-links{display:none}
  .nav-cta .btn{display:none}
  .hamburger{display:block}
  .hero-grid,.split,.contact-grid{grid-template-columns:1fr}
  .hero-panel{display:none}
  .g3,.proj-grid{grid-template-columns:repeat(2,1fr)}
  .g4{grid-template-columns:repeat(2,1fr)}
  .g2{grid-template-columns:1fr}
  .numbers .wrap{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .split-media{min-height:300px}
}
@media(max-width:560px){
  .g3,.proj-grid,.g4{grid-template-columns:1fr}
  .frow{grid-template-columns:1fr}
  .hero-stats{gap:28px;flex-wrap:wrap}
  .trust .wrap{justify-content:flex-start}
  .foot-grid{grid-template-columns:1fr}
  section{padding:68px 0}
}
.mobile-menu{position:fixed;inset:0;z-index:99;background:var(--menu-bg);backdrop-filter:blur(20px);display:flex;flex-direction:column;justify-content:center;padding:0 36px;gap:8px;transform:translateX(100%);transition:.35s}
.mobile-menu.open{transform:none}
.mobile-menu a{font-size:26px;font-family:'Space Grotesk',sans-serif;padding:14px 0;border-bottom:1px solid var(--line);color:var(--text)}
.mobile-menu a:hover{color:var(--ice)}
.mobile-menu .close{position:absolute;top:24px;right:28px;background:none;border:1px solid var(--line-strong);color:var(--text);width:44px;height:44px;border-radius:10px;font-size:20px;cursor:pointer}
.mobile-lang{display:flex;gap:10px;margin-top:24px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:24px}
.mobile-lang button{flex:1;padding:11px 8px;border-radius:10px;border:1px solid var(--line-strong);background:none;color:var(--muted);font-size:14px;font-weight:600;cursor:pointer;transition:.2s}
.mobile-lang button.active{background:var(--ice);color:var(--on-accent);border-color:var(--ice)}