/* ===================================================================
   ICE Technology Lab (ICETL) — Design System
   Ink navy + gold/teal accents, Space Grotesk + Inter + JetBrains Mono
   =================================================================== */

:root{
  /* Palette pulled directly from the ICETL logo: sky-blue diamond mark + slate-grey wordmark */
  --ink:        #0E3350;   /* deep brand-blue navy — headers, dark sections */
  --ink-2:      #164C74;   /* lighter step of the same blue, for gradients */
  --paper:      #F4F8FB;   /* logo-blue-tinted off-white page background */
  --paper-2:    #E7EEF4;   /* slightly deeper tint for cards/icons */
  --white:      #FFFFFF;
  --gold:       #2C8ECF;   /* PRIMARY: the logo's sky blue — CTAs, links, accents */
  --gold-dark:  #1D6FA6;   /* pressed/hover state of the primary blue */
  --teal:       #6B6E76;   /* SECONDARY: the logo's slate grey — muted UI, secondary buttons */
  --teal-dark:  #464A52;   /* darker grey for text-on-light and hovers */
  --text:       #212833;
  --muted:      #626A76;
  --line:       #DCE4EC;
  --line-dark:  #1B4E73;
  --radius:     10px;
  --shadow:     0 10px 30px rgba(14,51,80,0.14);
  --maxw:       1180px;
  --ff-display: 'Space Grotesk', 'Segoe UI', sans-serif;
  --ff-body:    'Inter', 'Segoe UI', sans-serif;
  --ff-mono:    'JetBrains Mono', 'Courier New', monospace;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--ff-body);
  color:var(--text);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:var(--ff-display);
  color:var(--ink);
  line-height:1.12;
  margin:0 0 .5em;
  letter-spacing:-0.01em;
}
h1{ font-size:clamp(2.1rem,4.5vw,3.4rem); }
h2{ font-size:clamp(1.6rem,3vw,2.3rem); }
h3{ font-size:1.25rem; }
p{ margin:0 0 1em; color:var(--text); }
a{ color:var(--teal-dark); text-decoration:none; }
a:hover{ text-decoration:underline; }
img{ max-width:100%; display:block; }
.container{ max-width:var(--maxw); margin:0 auto; padding:0 24px; }
section{ padding:72px 0; }
.eyebrow{
  font-family:var(--ff-mono);
  text-transform:uppercase;
  letter-spacing:.14em;
  font-size:.72rem;
  color:var(--teal-dark);
  font-weight:600;
  display:inline-block;
  margin-bottom:12px;
}
.lede{ font-size:1.08rem; color:var(--muted); max-width:640px; }
.center{ text-align:center; margin-left:auto; margin-right:auto; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--ff-body); font-weight:600; font-size:.95rem;
  padding:13px 24px; border-radius:8px; border:2px solid transparent;
  cursor:pointer; transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space:nowrap;
}
.btn:hover{ text-decoration:none; transform:translateY(-2px); }
.btn-gold{ background:var(--gold); color:var(--white); box-shadow:0 6px 0 var(--gold-dark); }
.btn-gold:hover{ box-shadow:0 4px 0 var(--gold-dark); }
.btn-outline{ background:transparent; color:var(--white); border-color:rgba(255,255,255,.5); }
.btn-outline:hover{ border-color:var(--white); }
.btn-teal{ background:var(--teal); color:var(--white); box-shadow:0 6px 0 var(--teal-dark); }
.btn-teal:hover{ box-shadow:0 4px 0 var(--teal-dark); }
.btn-ghost-dark{ background:transparent; color:var(--ink); border-color:var(--ink); }
.btn-sm{ padding:8px 16px; font-size:.82rem; }
.btn-block{ width:100%; justify-content:center; }

/* ---------- Top utility bar ---------- */
.topbar{
  background:var(--ink); color:#C9D2E8; font-family:var(--ff-mono);
  font-size:.76rem; padding:6px 0;
}
.topbar .container{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:6px; }
.topbar a{ color:#C9D2E8; }
.topbar a:hover{ color:var(--gold); }

/* ---------- Header / Nav ---------- */
header.site{
  background:var(--white); border-bottom:1px solid var(--line);
  position:sticky; top:0; z-index:200;
}
.nav{ display:flex; align-items:center; justify-content:space-between; padding:14px 0; }
.brand{ display:flex; align-items:center; gap:12px; font-family:var(--ff-display); font-weight:700; font-size:1.15rem; color:var(--ink); }
.brand-logo{ height:40px; width:auto; flex:none; }
.brand-tag{
  display:block; font-family:var(--ff-mono); font-weight:500; font-size:.66rem;
  color:var(--muted); letter-spacing:.1em; border-left:1px solid var(--line); padding-left:12px;
}
@media (max-width:480px){ .brand-tag{ display:none; } .brand-logo{ height:34px; } }
.nav-links{ display:flex; gap:26px; align-items:center; }
.nav-links a{ color:var(--ink); font-weight:600; font-size:.92rem; }
.nav-links a.active{ color:var(--teal-dark); }
.nav-cta{ display:flex; gap:10px; align-items:center; }
.nav-toggle{ display:none; background:none; border:none; font-size:1.6rem; cursor:pointer; color:var(--ink); }

@media (max-width:920px){
  .nav-links{
    position:absolute; top:100%; left:0; right:0; background:var(--white);
    flex-direction:column; align-items:flex-start; padding:18px 24px; gap:14px;
    border-bottom:1px solid var(--line); display:none;
    box-shadow:var(--shadow);
  }
  .nav-links.open{ display:flex; }
  .nav-toggle{ display:block; }
  .nav-cta .btn span{ display:none; }
}

/* ---------- Hero / terminal ---------- */
.hero{
  background:radial-gradient(circle at 15% -10%, var(--ink-2) 0%, var(--ink) 55%);
  color:var(--white); padding:64px 0 56px; position:relative; overflow:hidden;
}
.hero::after{
  content:""; position:absolute; inset:0; opacity:.06; pointer-events:none;
  background-image:linear-gradient(#fff 1px, transparent 1px), linear-gradient(90deg,#fff 1px, transparent 1px);
  background-size:42px 42px;
}
.hero-grid{ display:grid; grid-template-columns:1.05fr .95fr; gap:48px; align-items:center; position:relative; }
@media (max-width:900px){ .hero-grid{ grid-template-columns:1fr; } }
.hero-badges{ display:flex; flex-wrap:wrap; gap:10px; margin-bottom:20px; }
.badge{
  font-family:var(--ff-mono); font-size:.72rem; letter-spacing:.03em;
  border:1px solid rgba(255,255,255,.25); color:#DCE3F5;
  padding:5px 10px; border-radius:20px; background:rgba(255,255,255,.05);
}
.hero h1{ color:var(--white); }
.hero h1 em{ font-style:normal; color:var(--gold); }
.hero .lede{ color:#C6CEE4; }
.hero-ctas{ display:flex; gap:14px; flex-wrap:wrap; margin-top:26px; }

/* Terminal card */
.terminal{
  background:#0A1226; border:1px solid #263561; border-radius:12px;
  box-shadow:0 24px 60px rgba(0,0,0,.45); overflow:hidden;
  font-family:var(--ff-mono); font-size:.88rem;
}
.terminal-head{
  background:#111E40; padding:10px 14px; display:flex; align-items:center; gap:8px;
}
.dot{ width:10px; height:10px; border-radius:50%; }
.dot.r{background:#FF5F56;} .dot.y{background:#FFBD2E;} .dot.g{background:#27C93F;}
.terminal-title{ color:#7C8AB8; margin-left:8px; font-size:.75rem; }
.terminal-body{ padding:18px 16px 20px; color:#B9C4E4; }
.terminal-body .prompt{ color:var(--gold); }
.terminal-body .cmd{ color:#EAF0FF; }
.type-line::after{
  content:"▌"; color:var(--gold); animation:blink 1s step-end infinite;
}
@keyframes blink{ 50%{ opacity:0; } }
.term-input{
  display:flex; align-items:center; gap:8px; background:#111E40; border:1px solid #2A3A66;
  border-radius:8px; padding:10px 12px; margin-top:14px;
}
.term-input span{ color:var(--gold); }
.term-input input{
  background:transparent; border:none; outline:none; color:#EAF0FF; font-family:var(--ff-mono);
  font-size:.86rem; flex:1;
}
.term-results{ margin-top:14px; max-height:230px; overflow-y:auto; }
.term-results a{
  display:flex; justify-content:space-between; gap:10px; padding:7px 4px;
  border-bottom:1px dashed #263561; color:#DCE3F5; font-size:.82rem;
}
.term-results a:hover{ color:var(--gold); text-decoration:none; }
.term-results .p{ color:#7C8AB8; }
.term-hint{ color:#5A6690; font-size:.74rem; margin-top:10px; }

/* ---------- Stats ---------- */
.stats{ background:var(--white); border-bottom:1px solid var(--line); }
.stats .container{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; padding:36px 24px; }
@media (max-width:760px){ .stats .container{ grid-template-columns:repeat(2,1fr); } }
.stat b{ font-family:var(--ff-display); font-size:1.9rem; color:var(--ink); display:block; }
.stat span{ font-size:.82rem; color:var(--muted); }

/* ---------- Cards / grids ---------- */
.grid{ display:grid; gap:22px; }
.grid-3{ grid-template-columns:repeat(3,1fr); }
.grid-4{ grid-template-columns:repeat(4,1fr); }
@media (max-width:920px){ .grid-3{ grid-template-columns:repeat(2,1fr); } .grid-4{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:600px){ .grid-3,.grid-4{ grid-template-columns:1fr; } }

.card{
  background:var(--white); border:1px solid var(--line); border-radius:var(--radius);
  padding:24px; transition:box-shadow .2s ease, transform .2s ease;
}
.card:hover{ box-shadow:var(--shadow); transform:translateY(-3px); }
.cat-card .icon{
  width:44px;height:44px;border-radius:8px; background:var(--paper-2);
  display:flex; align-items:center; justify-content:center; margin-bottom:14px;
  color:var(--teal-dark); font-family:var(--ff-mono); font-weight:700;
}
.cat-card ul{ margin:10px 0 0; padding-left:18px; color:var(--muted); font-size:.88rem; }
.cat-card ul li{ margin-bottom:3px; }
.cat-card a.more{ font-family:var(--ff-mono); font-size:.78rem; }

.section-alt{ background:var(--white); }
.section-dark{ background:var(--ink); color:#D6DCEE; }
.section-dark h2, .section-dark h3{ color:var(--white); }
.section-dark .lede{ color:#AEB8D6; }

/* ---------- Course tables ---------- */
.course-tabs{ display:flex; flex-wrap:wrap; gap:8px; margin-bottom:26px; }
.tab-btn{
  font-family:var(--ff-mono); font-size:.78rem; padding:8px 14px; border-radius:20px;
  border:1px solid var(--line); background:var(--white); cursor:pointer; color:var(--ink);
}
.tab-btn.active,.tab-btn:hover{ background:var(--ink); color:var(--white); border-color:var(--ink); }

.course-group{ margin-bottom:14px; }
.course-group h3{
  font-family:var(--ff-mono); font-size:1rem; text-transform:uppercase; letter-spacing:.04em;
  color:var(--teal-dark); border-bottom:2px solid var(--line); padding-bottom:8px; margin-bottom:0;
}
table.course-table{ width:100%; border-collapse:collapse; margin:0 0 30px; background:var(--white); }
table.course-table th{
  text-align:left; font-family:var(--ff-mono); font-size:.72rem; text-transform:uppercase;
  letter-spacing:.06em; color:var(--muted); padding:10px 12px; border-bottom:1px solid var(--line);
}
table.course-table td{ padding:12px; border-bottom:1px solid var(--line); font-size:.92rem; }
table.course-table tr:hover td{ background:#FBFAF5; }
table.course-table td.price{ font-family:var(--ff-mono); font-weight:700; color:var(--ink); white-space:nowrap; }
table.course-table td.dur{ color:var(--muted); white-space:nowrap; }
.apply-link{ font-family:var(--ff-mono); font-size:.78rem; font-weight:700; color:var(--teal-dark); white-space:nowrap; }
.table-wrap{ overflow-x:auto; }

/* ---------- Testimonials ---------- */
.quote-card{ background:var(--paper); border-left:3px solid var(--gold); padding:20px; border-radius:0 var(--radius) var(--radius) 0; }
.quote-card p{ font-style:italic; color:var(--text); }
.quote-card footer{ font-family:var(--ff-mono); font-size:.78rem; color:var(--muted); }

/* ---------- FAQ ---------- */
.faq-item{ border-bottom:1px solid var(--line); padding:16px 0; }
.faq-q{ display:flex; justify-content:space-between; align-items:center; cursor:pointer; font-weight:700; color:var(--ink); gap:12px; }
.faq-a{ display:none; color:var(--muted); margin-top:10px; }
.faq-item.open .faq-a{ display:block; }
.faq-item.open .faq-q .plus{ transform:rotate(45deg); }
.plus{ transition:transform .2s ease; font-size:1.3rem; color:var(--gold-dark); flex:none; }

/* ---------- Forms ---------- */
.form-card{ background:var(--white); border:1px solid var(--line); border-radius:var(--radius); padding:28px; box-shadow:var(--shadow); }
.form-card h3{ margin-bottom:4px; }
.field{ margin-bottom:14px; }
.field label{ display:block; font-size:.8rem; font-weight:600; color:var(--ink); margin-bottom:6px; }
.field input, .field select, .field textarea{
  width:100%; padding:11px 12px; border:1px solid var(--line); border-radius:7px;
  font-family:var(--ff-body); font-size:.92rem; background:var(--paper); color:var(--text);
}
.field input:focus, .field select:focus, .field textarea:focus{ outline:2px solid var(--teal); outline-offset:1px; }
.field-row{ display:grid; grid-template-columns:1fr 1fr; gap:12px; }
@media (max-width:520px){ .field-row{ grid-template-columns:1fr; } }

/* ---------- Sticky mobile bar ---------- */
.sticky-cta{
  position:fixed; left:0; right:0; bottom:0; z-index:300;
  background:var(--ink); display:flex; box-shadow:0 -6px 20px rgba(0,0,0,.2);
}
.sticky-cta a{
  flex:1; text-align:center; padding:13px 6px; color:var(--white); font-weight:700; font-size:.82rem;
  font-family:var(--ff-body); border-right:1px solid rgba(255,255,255,.12);
  display:flex; align-items:center; justify-content:center; gap:6px;
}
.sticky-cta a:last-child{ border-right:none; }
.sticky-cta a.call{ background:var(--teal); }
.sticky-cta a.wa{ background:#25D366; color:#06341C; }
.sticky-cta a.apply{ background:var(--gold); color:var(--white); }
.sticky-cta a:hover{ text-decoration:none; filter:brightness(1.06); }

.fab-wa{
  position:fixed; right:20px; bottom:80px; z-index:299; width:54px; height:54px;
  background:#25D366; border-radius:50%; display:flex; align-items:center; justify-content:center;
  box-shadow:0 8px 20px rgba(0,0,0,.25); color:#06341C; font-size:1.5rem;
}
@media (min-width:761px){ .sticky-cta{ display:none; } .fab-wa{ bottom:26px; } }

/* ---------- Footer ---------- */
footer.site{ background:#0B1329; color:#9FAAC9; padding:56px 0 90px; }
@media (min-width:761px){ footer.site{ padding-bottom:56px; } }
footer.site h4{ color:var(--white); font-size:.95rem; margin-bottom:14px; }
.foot-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:30px; }
@media (max-width:820px){ .foot-grid{ grid-template-columns:1fr 1fr; } }
footer.site a{ color:#9FAAC9; display:block; margin-bottom:8px; font-size:.9rem; }
footer.site a:hover{ color:var(--gold); }
.foot-bottom{
  border-top:1px solid #1E2A4E; margin-top:36px; padding-top:20px; display:flex;
  justify-content:space-between; flex-wrap:wrap; gap:10px; font-size:.8rem; color:#6C7899;
}
.social-row{ display:flex; gap:10px; margin-top:10px; }
.social-row a{
  width:34px;height:34px;border:1px solid #2A3A66; border-radius:50%;
  display:flex; align-items:center; justify-content:center; margin:0; color:#C9D2E8; font-size:.85rem;
}
.social-row a:hover{ background:var(--gold); color:var(--white); border-color:var(--gold); }

/* ---------- Page hero (inner pages) ---------- */
.page-hero{ background:var(--ink); color:var(--white); padding:46px 0; }
.page-hero .lede{ color:#C6CEE4; }
.crumbs{ font-family:var(--ff-mono); font-size:.76rem; color:#8C9AC4; margin-bottom:10px; }
.crumbs a{ color:#8C9AC4; }

/* ---------- Misc ---------- */
.two-col{ display:grid; grid-template-columns:1.1fr .9fr; gap:44px; align-items:start; }
@media (max-width:900px){ .two-col{ grid-template-columns:1fr; } }
.check-list{ list-style:none; padding:0; margin:0; }
.check-list li{ padding-left:28px; position:relative; margin-bottom:10px; }
.check-list li::before{
  content:"✓"; position:absolute; left:0; top:0; color:var(--teal); font-weight:700;
  background:#E4F1EF; width:20px;height:20px;border-radius:50%; text-align:center; line-height:20px; font-size:.72rem;
}
.map-embed{ border-radius:var(--radius); overflow:hidden; border:1px solid var(--line); }
.map-embed iframe{ width:100%; height:340px; border:0; display:block; }
hr.rule{ border:none; border-top:1px solid var(--line); margin:40px 0; }
.tag{
  display:inline-block; background:var(--paper-2); color:var(--ink); font-family:var(--ff-mono);
  font-size:.7rem; padding:4px 10px; border-radius:12px; margin:0 6px 6px 0;
}

/* ---------- Blog / Article ---------- */
.blog-banner{
  height:200px; border-radius:var(--radius); background:linear-gradient(135deg,var(--ink) 0%, var(--ink-2) 60%, var(--gold) 130%);
  display:flex; align-items:center; justify-content:center; color:#fff; font-family:var(--ff-mono);
  font-size:.8rem; letter-spacing:.08em; text-transform:uppercase; opacity:.92; margin-bottom:28px;
}
.blog-meta{ font-family:var(--ff-mono); font-size:.78rem; color:var(--muted); margin-bottom:6px; }
.article-body{ max-width:760px; }
.article-body h2{ margin-top:1.6em; font-size:1.5rem; }
.article-body h3{ margin-top:1.2em; font-size:1.15rem; color:var(--ink); }
.article-body p{ color:var(--text); }
.article-body ul, .article-body ol{ color:var(--text); padding-left:22px; margin-bottom:1em; }
.article-body li{ margin-bottom:6px; }
.toc-box{
  background:var(--white); border:1px solid var(--line); border-radius:var(--radius);
  padding:18px 20px; max-width:760px; margin-bottom:30px;
}
.toc-box h4{ margin:0 0 10px; font-family:var(--ff-mono); font-size:.78rem; text-transform:uppercase; letter-spacing:.06em; color:var(--teal-dark); }
.toc-box ol{ margin:0; padding-left:20px; font-size:.9rem; }
.toc-box a{ color:var(--text); font-weight:600; }
.blog-card{ background:var(--white); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; transition:box-shadow .2s, transform .2s; }
.blog-card:hover{ box-shadow:var(--shadow); transform:translateY(-3px); }
.blog-card .thumb{
  height:110px; background:linear-gradient(135deg,var(--ink) 0%, var(--gold) 140%);
}
.blog-card .body{ padding:18px; }
.blog-card h3{ font-size:1.05rem; margin-bottom:8px; }
.blog-card .blog-meta{ margin-bottom:10px; }
.blog-card.soon .thumb{ background:var(--paper-2); }
.related-box{ background:var(--paper); border:1px solid var(--line); border-radius:var(--radius); padding:22px; max-width:760px; }
.related-box h4{ margin-top:0; }
.related-box ul{ margin:0; padding-left:20px; }
.breadcrumbs-inline{ font-family:var(--ff-mono); font-size:.76rem; color:var(--muted); margin-bottom:16px; }
.breadcrumbs-inline a{ color:var(--muted); }

/* ---------- Social share row (blog posts + admin poster tool) ---------- */
.share-row{ display:flex; align-items:center; gap:8px; flex-wrap:wrap; margin:20px 0 28px; }
.share-label{ font-family:var(--ff-mono); font-size:.76rem; color:var(--muted); margin-right:4px; }
.share-btn{
  display:inline-flex; align-items:center; gap:6px; font-family:var(--ff-body); font-weight:600;
  font-size:.8rem; padding:8px 13px; border-radius:20px; border:1px solid var(--line);
  background:var(--white); color:var(--text); cursor:pointer; text-decoration:none;
}
.share-btn:hover{ text-decoration:none; box-shadow:var(--shadow); transform:translateY(-1px); }
.share-btn.wa{ color:#0E7A3C; border-color:#BFE6CE; }
.share-btn.fb{ color:#1456A8; border-color:#C7DAF3; }
.share-btn.tw{ color:#111; border-color:#DDD; }
.share-btn.li{ color:#0A5FA8; border-color:#C7DAF3; }
.share-btn.tg{ color:#1F8AC0; border-color:#C6E6F4; }
.share-btn.copy{ color:var(--teal-dark); border-color:var(--line); }