/* ============================================================
   ITAKA General Trading Co. — Liquid Glass (iOS-style) UI
   ============================================================ */
:root{
  --ink:#0c1f1d;
  --ink-soft:#33474a;
  --paper:#eef3f2;
  --teal:#0e3a36;
  --emerald:#1fa97b;
  --violet:#6d5bd0;
  --gold:#d9912f;
  --glass-bg:rgba(255,255,255,.55);
  --glass-brd:rgba(255,255,255,.65);
  --glass-shadow:0 10px 40px rgba(14,58,54,.14), inset 0 1px 0 rgba(255,255,255,.6);
  --radius:26px;
  --radius-lg:34px;
  --maxw:1180px;
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",Inter,Helvetica,Arial,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  color:var(--ink);
  background:
    radial-gradient(1200px 800px at 80% -10%, rgba(109,91,208,.10), transparent 60%),
    radial-gradient(1000px 700px at -10% 30%, rgba(31,169,123,.12), transparent 55%),
    linear-gradient(180deg,#f4f8f7 0%,#e9f0ee 100%);
  background-attachment:fixed;
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- ambient background blobs ---------- */
.ambient{position:fixed;inset:0;z-index:-1;pointer-events:none;filter:blur(60px);opacity:.7}
.blob{position:absolute;border-radius:50%;mix-blend-mode:multiply}
.blob-1{width:46vw;height:46vw;top:-12vw;right:-10vw;background:radial-gradient(circle,#7fe3c1,transparent 70%)}
.blob-2{width:40vw;height:40vw;top:55vh;left:-12vw;background:radial-gradient(circle,#c5b8f5,transparent 70%)}
.blob-3{width:34vw;height:34vw;bottom:-8vw;right:8vw;background:radial-gradient(circle,#ffe2ad,transparent 70%)}

/* ---------- glass primitive ---------- */
.glass-card{
  background:var(--glass-bg);
  -webkit-backdrop-filter:blur(22px) saturate(160%);
  backdrop-filter:blur(22px) saturate(160%);
  border:1px solid var(--glass-brd);
  border-radius:var(--radius);
  box-shadow:var(--glass-shadow);
  padding:30px 30px;
}

/* ---------- NAV ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;padding:14px 0;transition:padding .3s ease}
.nav-inner{
  max-width:var(--maxw);margin:0 auto;padding:10px 18px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  border-radius:22px;
  background:rgba(255,255,255,.5);
  border:1px solid rgba(255,255,255,.6);
  -webkit-backdrop-filter:blur(20px) saturate(180%);
  backdrop-filter:blur(20px) saturate(180%);
  box-shadow:0 6px 26px rgba(14,58,54,.10), inset 0 1px 0 rgba(255,255,255,.7);
  transition:background .3s ease, box-shadow .3s ease;
}
.nav.scrolled .nav-inner{background:rgba(255,255,255,.72);box-shadow:0 10px 30px rgba(14,58,54,.16)}
.brand-logo{height:34px;width:auto;color:var(--teal)}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  padding:9px 15px;border-radius:13px;font-size:15px;font-weight:550;color:var(--ink-soft);
  transition:background .2s,color .2s;
}
.nav-links a:hover{background:rgba(255,255,255,.6);color:var(--ink)}
.nav-cta{
  background:linear-gradient(135deg,var(--emerald),var(--teal));
  color:#fff!important;box-shadow:0 6px 16px rgba(31,169,123,.35);
}
.nav-cta:hover{filter:brightness(1.05)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2.4px;background:var(--ink);border-radius:2px;transition:.3s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7.4px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7.4px) rotate(-45deg)}

/* ---------- HERO ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden}
.hero-media{position:absolute;inset:0;z-index:-1}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-scrim{
  position:absolute;inset:0;
  background:
    linear-gradient(110deg, rgba(8,28,26,.78) 0%, rgba(8,28,26,.45) 42%, rgba(8,28,26,.12) 75%),
    linear-gradient(0deg, rgba(8,28,26,.55), transparent 45%);
}
.hero-content{
  max-width:var(--maxw);margin:0 auto;padding:120px 24px 100px;color:#fff;width:100%;
}
.hero-content{max-width:740px;margin-left:max(24px,calc((100vw - var(--maxw))/2 + 24px))}
.eyebrow{
  display:inline-block;font-size:13.5px;letter-spacing:2.4px;text-transform:uppercase;font-weight:600;
  padding:8px 14px;border-radius:999px;margin-bottom:22px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.hero h1{
  font-size:clamp(2.3rem,5.4vw,4.1rem);line-height:1.05;font-weight:700;letter-spacing:-.02em;
  text-shadow:0 2px 30px rgba(0,0,0,.3);
}
.hero .lede{font-size:clamp(1.05rem,2vw,1.35rem);margin-top:22px;max-width:600px;color:rgba(255,255,255,.92)}
.hero .lede strong{color:#fff}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:16px;font-weight:600;font-size:15.5px;cursor:pointer;
  transition:transform .18s ease, box-shadow .25s ease, filter .2s ease;border:1px solid transparent;
}
.btn:active{transform:translateY(1px)}
.btn-primary{
  background:linear-gradient(135deg,var(--emerald),var(--teal));color:#fff;
  box-shadow:0 10px 26px rgba(31,169,123,.4), inset 0 1px 0 rgba(255,255,255,.35);
}
.btn-primary:hover{filter:brightness(1.06);box-shadow:0 14px 32px rgba(31,169,123,.5)}
.btn-glass{
  background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.4);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.btn-glass:hover{background:rgba(255,255,255,.28)}
.btn-block{width:100%;margin-bottom:12px}
/* glass button on light sections */
.section .btn-glass{color:var(--teal);background:rgba(255,255,255,.5);border-color:rgba(14,58,54,.14)}
.section .btn-glass:hover{background:rgba(255,255,255,.75)}

.scroll-hint{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);width:26px;height:42px;border:2px solid rgba(255,255,255,.6);border-radius:14px}
.scroll-hint span{position:absolute;top:8px;left:50%;width:4px;height:8px;background:#fff;border-radius:2px;transform:translateX(-50%);animation:scrolldot 1.6s infinite}
@keyframes scrolldot{0%{opacity:0;transform:translate(-50%,0)}40%{opacity:1}80%{opacity:0;transform:translate(-50%,14px)}}

/* ---------- SECTIONS ---------- */
.section{padding:108px 0;position:relative}
.section-tight{padding:78px 0}
.section-head{max-width:760px;margin:0 auto 52px;text-align:center}
.kicker{
  display:inline-block;font-size:13px;letter-spacing:2.2px;text-transform:uppercase;font-weight:700;
  color:var(--emerald);margin-bottom:14px;
}
.section-head h2{font-size:clamp(1.8rem,3.6vw,2.7rem);line-height:1.12;letter-spacing:-.02em;font-weight:700}
.section-sub{margin-top:18px;font-size:1.08rem;color:var(--ink-soft)}
h2,h3{letter-spacing:-.01em}

/* about */
.about-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:26px;align-items:start}
.about-grid p+p{margin-top:16px}
.about-grid .glass-card{font-size:1.06rem;color:var(--ink-soft)}
.about-grid strong{color:var(--ink)}
.stat-stack{display:flex;flex-direction:column;gap:18px}
.stat{display:flex;flex-direction:column;gap:4px;padding:22px 24px}
.stat-num{font-size:1.5rem;font-weight:700;color:var(--teal)}
.stat-label{font-size:.95rem;color:var(--ink-soft)}

/* services / why cards row */
.cards-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.why-row{grid-template-columns:repeat(3,1fr)}
.service .svc-ic{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;font-size:18px;color:#fff;
  background:linear-gradient(135deg,var(--emerald),var(--violet));margin-bottom:16px;
  box-shadow:0 8px 18px rgba(109,91,208,.3);
}
.service h3,.why-row h3{font-size:1.12rem;margin-bottom:8px}
.service p,.why-row p{color:var(--ink-soft);font-size:.98rem}

/* products */
.product{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center;margin-top:34px}
.product-rev .product-text{order:2}
.product-text h3{font-size:1.45rem;margin-bottom:12px}
.product-text p{color:var(--ink-soft)}
.spec{list-style:none;margin-top:20px;display:flex;flex-direction:column;gap:10px}
.spec li{display:flex;gap:14px;align-items:baseline;padding-top:10px;border-top:1px solid rgba(14,58,54,.1)}
.spec span{flex:0 0 56px;font-size:.8rem;text-transform:uppercase;letter-spacing:1px;color:var(--emerald);font-weight:700}
.spec strong{color:var(--ink)}
.product-media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:0 24px 60px rgba(14,58,54,.22);border:1px solid rgba(255,255,255,.5)}
.product-media img{width:100%;height:440px;object-fit:cover}
.ree-banner{display:flex;align-items:center;justify-content:space-between;gap:26px;margin-top:46px;
  background:linear-gradient(135deg, rgba(31,169,123,.16), rgba(109,91,208,.16));}
.ree-banner h3{font-size:1.4rem;margin-bottom:8px}
.ree-banner p{color:var(--ink-soft);max-width:640px}

/* operations */
.ops{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.ops-media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:0 24px 60px rgba(14,58,54,.22);border:1px solid rgba(255,255,255,.5)}
.ops-media img{width:100%;height:480px;object-fit:cover}
.ops-text h2{font-size:clamp(1.7rem,3.2vw,2.5rem);margin:6px 0 16px}
.ops-text p{color:var(--ink-soft);margin-bottom:14px}
.mission-h{font-size:1.15rem;margin-top:26px;color:var(--teal)}

/* contact */
.contact{display:grid;grid-template-columns:1.4fr 1fr;gap:40px;padding:46px}
.contact h2{font-size:clamp(1.7rem,3.2vw,2.4rem);margin:6px 0 14px}
.contact-left>p{color:var(--ink-soft);max-width:520px}
.contact-list{list-style:none;margin-top:26px;display:flex;flex-direction:column;gap:12px}
.contact-list li{display:flex;gap:14px;align-items:baseline;font-size:1.02rem;padding-top:12px;border-top:1px solid rgba(14,58,54,.1)}
.contact-list .ci{flex:0 0 92px;font-size:.78rem;text-transform:uppercase;letter-spacing:1px;color:var(--emerald);font-weight:700}
.contact-list a:hover{color:var(--emerald)}
.contact-right{display:flex;flex-direction:column;justify-content:center}
.contact-note{font-size:.9rem;color:var(--ink-soft);text-align:center;margin-top:6px}

/* footer */
.footer{padding:56px 0 46px;border-top:1px solid rgba(14,58,54,.1);margin-top:30px;text-align:center}
.footer-inner{display:flex;flex-direction:column;align-items:center;gap:12px}
.footer-logo{height:38px;color:var(--teal)}
.footer-tag{color:var(--ink-soft);max-width:480px}
.footer-copy{font-size:.85rem;color:var(--ink-soft);opacity:.8}

/* reveal animation */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media(max-width:920px){
  .about-grid,.product,.product-rev .product-text,.ops,.contact{grid-template-columns:1fr}
  .product-rev .product-text{order:0}
  .cards-row,.why-row{grid-template-columns:1fr 1fr}
  .product-media img,.ops-media img{height:320px}
  .ree-banner{flex-direction:column;align-items:flex-start}
}
@media(max-width:680px){
  .nav-links{
    position:absolute;top:calc(100% + 10px);right:14px;left:14px;
    flex-direction:column;align-items:stretch;gap:6px;padding:14px;
    border-radius:20px;background:rgba(255,255,255,.85);
    -webkit-backdrop-filter:blur(22px);backdrop-filter:blur(22px);
    border:1px solid rgba(255,255,255,.7);box-shadow:0 18px 40px rgba(14,58,54,.18);
    transform:translateY(-8px);opacity:0;pointer-events:none;transition:.25s;
  }
  .nav-links.open{transform:none;opacity:1;pointer-events:auto}
  .nav-links a{padding:12px 14px}
  .nav-toggle{display:flex}
  .cards-row,.why-row{grid-template-columns:1fr}
  .section{padding:74px 0}
  .hero-content{padding-top:140px}
  .contact{padding:30px}
}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .scroll-hint span{animation:none}
  html{scroll-behavior:auto}
}