/* ==========================================================================
   NITPRA — Enterprise AI Services
   Design System / Global Stylesheet
   Theme: Clean Enterprise Light (blue + slate, generous whitespace)
   ========================================================================== */

:root {
  /* Brand palette */
  --brand-900: #0a2540;
  --brand-800: #0d2f54;
  --brand-700: #103e73;
  --brand-600: #1657a0;
  --brand-500: #1f6fc4;
  --brand-400: #3d8be0;
  --brand-300: #7db6ee;
  --brand-100: #e3effb;
  --brand-50:  #f2f8fe;

  --accent-600: #0d9488;   /* teal */
  --accent-500: #14b8a6;
  --accent-100: #d6f5f0;

  --slate-900: #0f172a;
  --slate-800: #1e293b;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748b;
  --slate-400: #94a3b8;
  --slate-300: #cbd5e1;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --slate-50:  #f8fafc;

  --white: #ffffff;

  /* Semantic */
  --bg: var(--white);
  --bg-alt: var(--slate-50);
  --bg-deep: var(--brand-900);
  --text: var(--slate-800);
  --text-muted: var(--slate-500);
  --heading: var(--brand-900);
  --border: var(--slate-200);
  --primary: var(--brand-600);
  --primary-hover: var(--brand-700);

  /* Typography */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* Radii & shadows */
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06), 0 1px 3px rgba(15, 23, 42, 0.05);
  --shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 24px 60px rgba(13, 47, 84, 0.14);

  /* Layout */
  --maxw: 1180px;
  --nav-h: 74px;
}

/* ------------------------------- Reset --------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--primary); text-decoration: none; transition: color .18s ease; }
a:hover { color: var(--primary-hover); }
ul { padding: 0; list-style: none; }

/* --------------------------- Typography -------------------------------- */
h1, h2, h3, h4, h5 { color: var(--heading); line-height: 1.18; font-weight: 750; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.3rem, 4.6vw, 3.7rem); }
h2 { font-size: clamp(1.8rem, 3.2vw, 2.6rem); }
h3 { font-size: 1.32rem; letter-spacing: -0.01em; }
h4 { font-size: 1.05rem; letter-spacing: 0; }
p { color: var(--text); }
.lead { font-size: 1.2rem; color: var(--slate-600); line-height: 1.6; }

.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--primary);
}
.eyebrow::before {
  content: ""; width: 26px; height: 2px; background: var(--accent-500); border-radius: 2px;
}
.eyebrow.center::before { display: none; }

/* ----------------------------- Layout ---------------------------------- */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 24px; }
.section { padding: 96px 0; }
.section.tight { padding: 64px 0; }
.section-alt { background: var(--bg-alt); }
.section-deep { background: var(--bg-deep); color: var(--slate-200); }
.section-deep h1, .section-deep h2, .section-deep h3, .section-deep h4 { color: var(--white); }
.section-head { max-width: 720px; margin-bottom: 52px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head p { margin-top: 16px; color: var(--slate-600); font-size: 1.12rem; }
.section-deep .section-head p { color: var(--slate-300); }

.grid { display: grid; gap: 26px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ----------------------------- Buttons --------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  font-weight: 650; font-size: .98rem; line-height: 1;
  padding: 15px 26px; border-radius: 100px; border: 1.5px solid transparent;
  cursor: pointer; transition: all .2s ease; white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 8px 18px rgba(22, 87, 160, 0.22); }
.btn-primary:hover { background: var(--primary-hover); color: #fff; transform: translateY(-2px); box-shadow: 0 12px 24px rgba(22, 87, 160, 0.3); }
.btn-ghost { background: transparent; color: var(--brand-700); border-color: var(--slate-300); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); background: var(--brand-50); }
.btn-light { background: #fff; color: var(--brand-800); }
.btn-light:hover { background: var(--brand-50); color: var(--brand-800); transform: translateY(-2px); }
.btn-outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.4); }
.btn-outline-light:hover { background: rgba(255,255,255,.12); color: #fff; border-color: #fff; }
.btn-lg { padding: 17px 32px; font-size: 1.04rem; }
.btn-block { width: 100%; }

.link-arrow { display: inline-flex; align-items: center; gap: .4rem; font-weight: 650; }
.link-arrow svg { width: 16px; height: 16px; transition: transform .2s ease; }
.link-arrow:hover svg { transform: translateX(4px); }

/* ----------------------------- Navbar ---------------------------------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.85); backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: var(--nav-h); }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 800; font-size: 1.35rem; color: var(--brand-900); letter-spacing: -0.02em; }
.brand:hover { color: var(--brand-900); }
.brand .mark { width: 38px; height: 38px; flex: none; }
.brand small { display: block; font-size: .62rem; font-weight: 600; letter-spacing: .18em; color: var(--accent-600); text-transform: uppercase; margin-top: 2px; }

.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a { color: var(--slate-700); font-weight: 550; font-size: .96rem; padding: 9px 14px; border-radius: 8px; }
.nav-links a:hover { color: var(--brand-700); background: var(--brand-50); }
.nav-links a.active { color: var(--brand-700); }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--brand-900); border-radius: 2px; transition: .25s; }
.nav-toggle span + span { margin-top: 5px; }

/* ------------------------------ Hero ----------------------------------- */
.hero { position: relative; overflow: hidden; background: linear-gradient(180deg, var(--brand-50) 0%, #fff 70%); }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(620px 360px at 88% -8%, rgba(61,139,224,.18), transparent 60%),
    radial-gradient(520px 320px at 8% 12%, rgba(20,184,166,.12), transparent 55%);
  pointer-events: none;
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; padding: 86px 0 92px; }
.hero h1 { margin-top: 20px; }
.hero h1 .grad { background: linear-gradient(100deg, var(--brand-600), var(--accent-500)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero p.lead { margin-top: 22px; max-width: 540px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.hero-trust { margin-top: 38px; display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.hero-trust span { font-size: .82rem; color: var(--slate-500); font-weight: 600; letter-spacing: .04em; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: .8rem; font-weight: 600; color: var(--brand-700);
  background: var(--brand-50); border: 1px solid var(--brand-100);
  padding: 6px 13px; border-radius: 100px;
}
.chip svg { width: 14px; height: 14px; color: var(--accent-600); }

/* Hero visual card */
.hero-visual { position: relative; }
.hero-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); padding: 26px; position: relative; z-index: 2;
}
.hero-card-top { display: flex; align-items: center; justify-content: space-between; padding-bottom: 16px; border-bottom: 1px solid var(--slate-100); margin-bottom: 18px; }
.hero-card-top .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent-500); box-shadow: 0 0 0 4px var(--accent-100); }
.hpipe { display: grid; gap: 12px; }
.hpipe-row { display: flex; align-items: center; gap: 13px; padding: 13px 15px; border: 1px solid var(--slate-100); border-radius: var(--radius-sm); background: var(--slate-50); }
.hpipe-row .ic { width: 36px; height: 36px; flex: none; border-radius: 9px; display: grid; place-items: center; background: var(--brand-100); color: var(--brand-600); }
.hpipe-row .ic svg { width: 19px; height: 19px; }
.hpipe-row .tx strong { display: block; font-size: .92rem; color: var(--slate-800); }
.hpipe-row .tx span { font-size: .78rem; color: var(--slate-500); }
.hpipe-row .stat { margin-left: auto; font-size: .78rem; font-weight: 700; color: var(--accent-600); }
.hero-float {
  position: absolute; z-index: 3; background: #fff; border: 1px solid var(--border);
  border-radius: 14px; box-shadow: var(--shadow); padding: 13px 16px; display: flex; align-items: center; gap: 11px;
}
.hero-float .ring { width: 34px; height: 34px; }
.hero-float strong { font-size: 1.05rem; color: var(--brand-900); display: block; line-height: 1.1; }
.hero-float span { font-size: .72rem; color: var(--slate-500); }
.hero-float.tl { top: -22px; left: -26px; }
.hero-float.br { bottom: -24px; right: -20px; }

/* ----------------------------- Cards ----------------------------------- */
.card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px; transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
  height: 100%;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--brand-100); }
.card .icon {
  width: 52px; height: 52px; border-radius: 13px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--brand-100), var(--brand-50));
  color: var(--brand-600); margin-bottom: 20px;
}
.card .icon svg { width: 26px; height: 26px; }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--slate-600); font-size: .98rem; }
.card .tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 18px; }
.card .tags span { font-size: .76rem; font-weight: 600; color: var(--slate-600); background: var(--slate-100); padding: 4px 11px; border-radius: 100px; }
.card-link { margin-top: 18px; }

.card.accent .icon { background: linear-gradient(135deg, var(--accent-100), #eafaf7); color: var(--accent-600); }
.card.feature { border-top: 3px solid var(--brand-500); }

/* Numbered / process steps */
.steps { counter-reset: step; display: grid; gap: 22px; }
.step { position: relative; display: flex; gap: 20px; padding: 26px 28px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); }
.step .num {
  counter-increment: step; flex: none; width: 46px; height: 46px; border-radius: 12px;
  display: grid; place-items: center; font-weight: 800; font-size: 1.1rem; color: #fff;
  background: linear-gradient(135deg, var(--brand-600), var(--brand-500));
}
.step .num::before { content: "0" counter(step); }
.step h3 { margin-bottom: 6px; }
.step p { color: var(--slate-600); font-size: .96rem; }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat-box { text-align: center; padding: 28px 18px; }
.stat-box .n { font-size: clamp(2.1rem, 4vw, 2.9rem); font-weight: 820; letter-spacing: -0.03em; line-height: 1;
  background: linear-gradient(120deg, var(--brand-600), var(--accent-500)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.stat-box .l { margin-top: 10px; font-size: .92rem; color: var(--slate-500); font-weight: 600; }
.section-deep .stat-box .n { background: linear-gradient(120deg, #7db6ee, var(--accent-400, #2dd4bf)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.section-deep .stat-box .l { color: var(--slate-300); }

/* Feature list with checks */
.checklist { display: grid; gap: 14px; }
.checklist li { display: flex; gap: 13px; align-items: flex-start; }
.checklist .ck { flex: none; width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center;
  background: var(--accent-100); color: var(--accent-600); margin-top: 2px; }
.checklist .ck svg { width: 14px; height: 14px; }
.checklist li strong { color: var(--slate-800); }
.checklist li span { color: var(--slate-600); }
.section-deep .checklist li strong { color: #fff; }
.section-deep .checklist li span { color: var(--slate-300); }
.section-deep .checklist .ck { background: rgba(20,184,166,.18); color: #5eead4; }

/* Split feature block */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split.reverse .split-media { order: 2; }
.media-panel {
  background: linear-gradient(160deg, var(--brand-900), var(--brand-700));
  border-radius: var(--radius-lg); padding: 34px; color: #fff; box-shadow: var(--shadow-lg);
}
.media-panel.light { background: #fff; border: 1px solid var(--border); color: var(--text); }

/* Pill / badge */
.badge { display: inline-flex; align-items: center; gap: .4rem; font-size: .78rem; font-weight: 700;
  letter-spacing: .04em; padding: 5px 12px; border-radius: 100px; }
.badge-teal { background: var(--accent-100); color: var(--accent-600); }
.badge-blue { background: var(--brand-100); color: var(--brand-700); }

/* CTA band */
.cta-band { position: relative; overflow: hidden; background: linear-gradient(135deg, var(--brand-800), var(--brand-600)); border-radius: var(--radius-lg); padding: 60px; color: #fff; text-align: center; box-shadow: var(--shadow-lg); }
.cta-band::after { content: ""; position: absolute; inset: 0; background: radial-gradient(500px 240px at 80% 0, rgba(20,184,166,.4), transparent 60%); }
.cta-band > * { position: relative; z-index: 1; }
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,.85); max-width: 600px; margin: 16px auto 30px; font-size: 1.12rem; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* Logos / marquee */
.logos { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 16px 44px; }
.logos .lg { font-weight: 750; color: var(--slate-400); font-size: 1.15rem; letter-spacing: .02em; display: flex; align-items: center; gap: 8px; }
.logos .lg svg { width: 22px; height: 22px; color: var(--slate-300); }

/* Quote */
.quote { max-width: 820px; margin-inline: auto; text-align: center; }
.quote blockquote { font-size: clamp(1.3rem, 2.4vw, 1.7rem); font-weight: 650; color: var(--brand-900); line-height: 1.45; letter-spacing: -0.01em; }
.quote .mark { font-size: 3rem; color: var(--brand-300); line-height: 0; }
.quote cite { display: block; margin-top: 22px; font-style: normal; color: var(--slate-500); font-size: .98rem; font-weight: 600; }

/* Tables */
.cmp { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.cmp th, .cmp td { padding: 16px 20px; text-align: left; border-bottom: 1px solid var(--slate-100); font-size: .96rem; }
.cmp thead th { background: var(--brand-50); color: var(--brand-800); font-weight: 700; }
.cmp tbody tr:last-child td { border-bottom: none; }
.cmp td:first-child { font-weight: 600; color: var(--slate-800); }

/* Accordion (FAQ) */
.acc-item { border: 1px solid var(--border); border-radius: var(--radius); background: #fff; margin-bottom: 14px; overflow: hidden; }
.acc-q { width: 100%; text-align: left; background: none; border: none; cursor: pointer; padding: 22px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px; font-size: 1.05rem; font-weight: 650; color: var(--brand-900); font-family: inherit; }
.acc-q .pm { flex: none; width: 26px; height: 26px; border-radius: 50%; background: var(--brand-50); display: grid; place-items: center; transition: .25s; color: var(--brand-600); }
.acc-item.open .acc-q .pm { transform: rotate(45deg); background: var(--primary); color: #fff; }
.acc-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.acc-a-inner { padding: 0 24px 22px; color: var(--slate-600); }

/* Forms */
.form-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 34px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: .88rem; font-weight: 650; color: var(--slate-700); margin-bottom: 7px; }
.field label .req { color: #e11d48; }
.field input, .field select, .field textarea {
  width: 100%; font-family: inherit; font-size: .98rem; color: var(--slate-800);
  padding: 13px 15px; border: 1.5px solid var(--slate-200); border-radius: var(--radius-sm); background: #fff; transition: border-color .18s, box-shadow .18s;
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--brand-400); box-shadow: 0 0 0 4px var(--brand-50); }
.field .hint { font-size: .78rem; color: var(--slate-400); margin-top: 6px; }
.form-note { font-size: .82rem; color: var(--slate-500); margin-top: 6px; }
.form-success { display: none; padding: 16px 18px; border-radius: var(--radius-sm); background: var(--accent-100); color: var(--accent-600); font-weight: 600; font-size: .95rem; margin-bottom: 18px; }
.form-success.show { display: block; }

.tabs { display: inline-flex; gap: 6px; background: var(--slate-100); padding: 6px; border-radius: 100px; margin-bottom: 26px; flex-wrap: wrap; }
.tab { border: none; background: none; cursor: pointer; font-family: inherit; font-weight: 650; font-size: .92rem; color: var(--slate-600); padding: 10px 20px; border-radius: 100px; transition: .2s; }
.tab.active { background: #fff; color: var(--brand-700); box-shadow: var(--shadow-sm); }
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fade .35s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* Page hero (interior) */
.page-hero { background: linear-gradient(180deg, var(--brand-50), #fff); border-bottom: 1px solid var(--border); padding: 64px 0 56px; position: relative; overflow: hidden; }
.page-hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(560px 280px at 90% -20%, rgba(61,139,224,.14), transparent 60%); }
.page-hero .container { position: relative; }
.page-hero h1 { margin-top: 16px; max-width: 760px; }
.page-hero p { margin-top: 18px; max-width: 640px; font-size: 1.15rem; color: var(--slate-600); }
.breadcrumb { font-size: .85rem; color: var(--slate-500); }
.breadcrumb a { color: var(--slate-500); }
.breadcrumb a:hover { color: var(--primary); }

/* Info strip */
.strip { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 14px 38px; }
.strip .item { display: flex; align-items: center; gap: 10px; font-weight: 600; color: var(--slate-700); font-size: .95rem; }
.strip .item svg { width: 20px; height: 20px; color: var(--accent-600); }

/* Two-col prose */
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 48px; align-items: start; }
.contact-info { display: grid; gap: 22px; }
.contact-info .ci { display: flex; gap: 15px; align-items: flex-start; }
.contact-info .ci .ic { flex: none; width: 44px; height: 44px; border-radius: 11px; background: var(--brand-100); color: var(--brand-600); display: grid; place-items: center; }
.contact-info .ci .ic svg { width: 21px; height: 21px; }
.contact-info .ci h4 { margin-bottom: 3px; }
.contact-info .ci p, .contact-info .ci a { color: var(--slate-600); font-size: .96rem; }

/* ----------------------------- Footer ---------------------------------- */
.footer { background: var(--brand-900); color: var(--slate-300); padding: 70px 0 30px; }
.footer a { color: var(--slate-300); }
.footer a:hover { color: #fff; }
.footer-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 44px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer .brand { color: #fff; }
.footer .brand small { color: var(--accent-500); }
.footer-about { margin-top: 18px; max-width: 320px; color: var(--slate-400); font-size: .95rem; }
.footer-social { display: flex; gap: 12px; margin-top: 20px; }
.footer-social a { width: 38px; height: 38px; border-radius: 10px; background: rgba(255,255,255,.07); display: grid; place-items: center; }
.footer-social a:hover { background: var(--primary); }
.footer-social svg { width: 18px; height: 18px; }
.footer h5 { color: #fff; font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 18px; font-weight: 700; }
.footer-col a { display: block; padding: 7px 0; font-size: .95rem; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding-top: 26px; font-size: .88rem; color: var(--slate-400); }
.footer-bottom .links { display: flex; gap: 22px; }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* Utilities */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 10px; } .mt-2 { margin-top: 20px; } .mt-3 { margin-top: 32px; } .mt-4 { margin-top: 44px; }
.mb-0 { margin-bottom: 0; }
.muted { color: var(--text-muted); }
.maxw-720 { max-width: 720px; }
.hide-mobile { }

/* ---------------------------- Responsive ------------------------------- */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; padding: 60px 0 70px; }
  .hero-visual { max-width: 460px; }
  .split, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .split.reverse .split-media { order: 0; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 760px) {
  .nav-links, .nav-cta .btn-ghost { display: none; }
  .nav-toggle { display: block; }
  .nav.open .nav-links {
    display: flex; flex-direction: column; align-items: stretch; gap: 4px;
    position: absolute; top: var(--nav-h); left: 0; right: 0; background: #fff;
    border-bottom: 1px solid var(--border); padding: 14px 24px 22px; box-shadow: var(--shadow);
  }
  .nav.open .nav-links a { padding: 12px 14px; }
  .section { padding: 64px 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .cta-band { padding: 40px 24px; }
  .footer-top { grid-template-columns: 1fr; }
  .hero-float.tl { left: 0; top: -16px; }
  .hero-float.br { right: 0; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 460px) {
  .stats { grid-template-columns: 1fr; }
  body { font-size: 16px; }
}

/* ==========================================================================
   ADD-ON: graphics, illustrations, IT services, 5-col footer, wider nav
   ========================================================================== */

/* Nav goes mobile earlier now that there are 8 items */
@media (max-width: 1024px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav.open .nav-links {
    display: flex; flex-direction: column; align-items: stretch; gap: 4px;
    position: absolute; top: var(--nav-h); left: 0; right: 0; background: #fff;
    border-bottom: 1px solid var(--border); padding: 14px 24px 22px; box-shadow: var(--shadow);
    max-height: calc(100vh - var(--nav-h)); overflow-y: auto;
  }
  .nav.open .nav-links a { padding: 12px 14px; }
}
@media (min-width: 1025px) and (max-width: 1140px) {
  .nav-links a { padding: 9px 10px; font-size: .9rem; }
  .nav-cta .btn { padding: 12px 18px; font-size: .9rem; }
}

/* 5-column footer (brand + IT + AI + Company + Get started) */
.footer-top { grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr; }
@media (max-width: 980px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .footer-top { grid-template-columns: 1fr; }
}

/* ---- Decorative backgrounds ---- */
.dotgrid { position: relative; }
.dotgrid::before {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image: radial-gradient(var(--slate-200) 1.3px, transparent 1.3px);
  background-size: 26px 26px; opacity: .5;
  -webkit-mask-image: radial-gradient(circle at 50% 40%, #000, transparent 72%);
  mask-image: radial-gradient(circle at 50% 40%, #000, transparent 72%);
}
.dotgrid > * { position: relative; z-index: 1; }
.blobs { position: relative; overflow: hidden; }
.blobs::before, .blobs::after {
  content: ""; position: absolute; border-radius: 50%; filter: blur(60px); z-index: 0; pointer-events: none;
}
.blobs::before { width: 420px; height: 420px; background: rgba(61,139,224,.16); top: -120px; right: -100px; }
.blobs::after { width: 360px; height: 360px; background: rgba(20,184,166,.14); bottom: -140px; left: -120px; }
.blobs > .container { position: relative; z-index: 1; }

/* ---- Illustration cards (graphic header + content) ---- */
.illus-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  overflow: hidden; height: 100%; transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
  display: flex; flex-direction: column;
}
.illus-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: var(--brand-100); }
.illus-card .art {
  position: relative; padding: 26px; background: linear-gradient(150deg, var(--brand-50), #fff);
  border-bottom: 1px solid var(--slate-100);
}
.illus-card.teal .art { background: linear-gradient(150deg, #ecfbf8, #fff); }
.illus-card.deep .art { background: linear-gradient(150deg, var(--brand-900), var(--brand-700)); border-bottom-color: rgba(255,255,255,.08); }
.illus-card .art svg { width: 100%; height: auto; display: block; }
.illus-card .body { padding: 24px 26px 28px; flex: 1; display: flex; flex-direction: column; }
.illus-card .body h3 { margin-bottom: 9px; }
.illus-card .body p { color: var(--slate-600); font-size: .97rem; }
.illus-card .body .tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 16px; }
.illus-card .body .tags span { font-size: .76rem; font-weight: 600; color: var(--slate-600); background: var(--slate-100); padding: 4px 11px; border-radius: 100px; }
.illus-card .body .card-link { margin-top: auto; padding-top: 16px; }

/* ---- Big feature illustration panel ---- */
.illus-panel {
  background: linear-gradient(160deg, var(--brand-50), #fff);
  border: 1px solid var(--brand-100); border-radius: var(--radius-lg);
  padding: 30px; box-shadow: var(--shadow-sm);
}
.illus-panel.deep { background: linear-gradient(160deg, var(--brand-900), var(--brand-700)); border-color: rgba(255,255,255,.1); }
.illus-panel svg { width: 100%; height: auto; display: block; }

/* ---- Inline service-line badge ---- */
.line-badge { display: inline-flex; align-items: center; gap: .5rem; font-size: .82rem; font-weight: 700; letter-spacing: .04em; padding: 6px 13px; border-radius: 100px; }
.line-it { background: var(--brand-100); color: var(--brand-700); }
.line-ai { background: var(--accent-100); color: var(--accent-600); }

/* ---- Two-pillar split (IT vs AI) on home ---- */
.pillars { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.pillar {
  position: relative; border-radius: var(--radius-lg); padding: 34px; overflow: hidden;
  border: 1px solid var(--border); background: #fff; transition: transform .22s ease, box-shadow .22s ease;
}
.pillar:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.pillar.it { background: linear-gradient(160deg, var(--brand-50), #fff); }
.pillar.ai { background: linear-gradient(160deg, #ecfbf8, #fff); }
.pillar h3 { font-size: 1.5rem; margin: 14px 0 8px; }
.pillar p { color: var(--slate-600); }
.pillar .mini { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; margin: 18px 0 22px; }
.pillar .mini span { display: flex; align-items: center; gap: 8px; font-size: .9rem; font-weight: 600; color: var(--slate-700); }
.pillar .mini span svg { width: 16px; height: 16px; color: var(--accent-600); flex: none; }
@media (max-width: 760px) { .pillars { grid-template-columns: 1fr; } }

/* ---- Logo strip with little icons already styled; add image placeholder ---- */
.img-ph {
  display: grid; place-items: center; text-align: center; gap: 8px;
  border: 1.5px dashed var(--slate-300); border-radius: var(--radius);
  background: var(--slate-50); color: var(--slate-400); padding: 30px; font-size: .85rem; font-weight: 600;
}
.img-ph svg { width: 30px; height: 30px; }

/* ---- Process / topology helpers for inline SVG color ---- */
.svg-stroke-soft { stroke: var(--slate-300); }

/* ---- Form error + honeypot (contact form backend) ---- */
.form-error {
  display: none; padding: 14px 16px; border-radius: var(--radius-sm);
  background: #fef2f2; color: #dc2626; border: 1px solid #fecaca;
  font-weight: 600; font-size: .92rem; margin-bottom: 16px;
}
.form-error.show { display: block; }
.hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; opacity: 0; pointer-events: none; }
.btn[disabled] { opacity: .65; cursor: progress; }