/* ============================================================
   KanzTech — Software Engineering & Applied AI
   Dark · Minimal · Sleek · Professional
   ============================================================ */

:root {
  --gold: #e7b033;
  --gold-soft: #f2c862;
  --gold-deep: #c8941b;

  --bg: #0a0c10;          /* near-black base */
  --bg-2: #0e1117;        /* panel */
  --bg-3: #12161d;        /* raised */
  --surface: rgba(255, 255, 255, 0.025);
  --surface-hi: rgba(255, 255, 255, 0.05);

  --text: #e8eaed;
  --text-dim: #9aa3ad;
  --text-mute: #6b7480;

  --line: rgba(255, 255, 255, 0.08);
  --line-soft: rgba(255, 255, 255, 0.05);

  --grad-gold: linear-gradient(135deg, #f2c862 0%, #e7b033 50%, #c8941b 100%);
  --radius: 16px;
  --maxw: 1180px;

  --shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.8);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Montserrat', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, .stat__num, .step__num {
  font-family: 'Montserrat', system-ui, sans-serif;
  letter-spacing: -0.015em;
  font-weight: 600;
}

a { color: inherit; text-decoration: none; }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

/* ===== Background ===== */
.bg-grid {
  position: fixed; inset: 0; z-index: -2;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.022) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.022) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 90% 55% at 50% -5%, #000 30%, transparent 75%);
  mask-image: radial-gradient(ellipse 90% 55% at 50% -5%, #000 30%, transparent 75%);
}
.bg-glow {
  position: fixed; z-index: -1; top: -260px; left: 50%; transform: translateX(-50%);
  width: 900px; height: 600px; pointer-events: none;
  background: radial-gradient(ellipse at center, rgba(231,176,51,0.10), transparent 65%);
  filter: blur(20px);
}

/* ===== Brand ===== */
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand__mark { width: 32px; height: 32px; display: block; }
.brand__name {
  font-family: 'Montserrat', system-ui, sans-serif;
  font-weight: 300; font-size: 1.18rem;
  text-transform: uppercase; letter-spacing: 0.24em;
  padding-left: 0.12em; /* optical balance for tracking */
}
.brand__name .g { color: var(--gold); }
.brand__name .n { color: var(--text); }

/* ===== Nav ===== */
.nav { position: sticky; top: 0; z-index: 50; transition: background .3s, box-shadow .3s, backdrop-filter .3s; }
.nav.scrolled {
  background: rgba(10, 12, 16, 0.72);
  backdrop-filter: blur(16px) saturate(140%);
  box-shadow: 0 1px 0 var(--line);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.nav__links { display: flex; align-items: center; gap: 34px; }
.nav__links a { font-size: .92rem; font-weight: 450; color: var(--text-dim); transition: color .2s; }
.nav__links a:hover { color: var(--text); }
.nav__cta {
  color: var(--bg) !important; background: var(--grad-gold);
  padding: 9px 18px; border-radius: 999px; font-weight: 600;
  transition: transform .2s, box-shadow .2s; box-shadow: 0 8px 24px -10px rgba(231,176,51,0.6);
}
.nav__cta:hover { transform: translateY(-2px); box-shadow: 0 12px 30px -10px rgba(231,176,51,0.75); }

.nav__toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav__toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: .3s; }
.nav__toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.open span:nth-child(2) { opacity: 0; }
.nav__toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 28px; border-radius: 999px; font-weight: 600; font-size: .96rem;
  transition: transform .2s, box-shadow .2s, border-color .2s, color .2s, background .2s;
  cursor: pointer; border: 1px solid transparent;
}
.btn--primary { background: var(--grad-gold); color: #1a1606; box-shadow: 0 14px 34px -14px rgba(231,176,51,0.65); }
.btn--primary:hover { transform: translateY(-3px); box-shadow: 0 20px 44px -14px rgba(231,176,51,0.8); }
.btn--ghost { background: var(--surface); color: var(--text); border-color: var(--line); backdrop-filter: blur(6px); }
.btn--ghost:hover { transform: translateY(-3px); border-color: rgba(231,176,51,0.45); color: var(--gold-soft); }

/* ===== Hero ===== */
.hero { padding: 96px 0 76px; }
.hero__inner { display: flex; flex-direction: column; align-items: center; text-align: center; }
.pill {
  display: inline-flex; align-items: center; gap: 9px;
  background: var(--surface); border: 1px solid var(--line);
  padding: 7px 16px; border-radius: 999px; font-size: .82rem; font-weight: 500;
  color: var(--text-dim); backdrop-filter: blur(8px); letter-spacing: .01em;
}
.pill__dot { width: 7px; height: 7px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 0 rgba(231,176,51,.7); animation: pulse 2.4s infinite; }
@keyframes pulse { 0%{box-shadow:0 0 0 0 rgba(231,176,51,.55)} 70%{box-shadow:0 0 0 9px rgba(231,176,51,0)} 100%{box-shadow:0 0 0 0 rgba(231,176,51,0)} }

.hero__title { font-size: clamp(2.5rem, 6.2vw, 4.6rem); font-weight: 600; line-height: 1.08; margin: 26px 0 0; max-width: 17ch; color: #f3f5f7; letter-spacing: -0.02em; }
.grad { display: block; background: var(--grad-gold); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero__sub { margin-top: 24px; font-size: clamp(1rem, 1.55vw, 1.18rem); color: var(--text-dim); max-width: 62ch; font-weight: 400; }
.hero__cta { display: flex; gap: 14px; margin-top: 38px; flex-wrap: wrap; justify-content: center; }

.marquee {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap; justify-content: center;
  margin-top: 64px; color: var(--text-mute); font-size: .82rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: .14em;
}
.marquee i { color: var(--gold-deep); font-style: normal; }

/* ===== Strip ===== */
.strip { border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); background: var(--bg-2); }
.strip__inner { display: grid; grid-template-columns: repeat(5, 1fr); }
.stat { padding: 46px 18px; text-align: center; border-left: 1px solid var(--line-soft); }
.stat:first-child { border-left: 0; }
.stat__num { display: block; font-size: clamp(1.9rem, 3vw, 2.4rem); font-weight: 700; color: var(--gold-soft); letter-spacing: -0.01em; line-height: 1; }
.stat__label { font-size: .85rem; color: var(--text-mute); margin-top: 10px; }

/* ===== Sections ===== */
.section { padding: 108px 0; position: relative; }
.section--alt { background: var(--bg-2); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
.section__head { max-width: 720px; margin: 0 auto 60px; text-align: center; }
.eyebrow { font-size: .76rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--gold); }
.section__title { font-size: clamp(1.9rem, 3.8vw, 2.9rem); font-weight: 600; margin-top: 14px; color: #f3f5f7; }
.section__lead { margin-top: 16px; color: var(--text-dim); font-size: 1.06rem; }

/* ===== Grids ===== */
.grid { display: grid; gap: 1px; background: var(--line-soft); border: 1px solid var(--line-soft); border-radius: var(--radius); overflow: hidden; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* ===== Capability cards ===== */
.card {
  background: var(--bg); padding: 36px 30px;
  transition: background .3s; position: relative;
}
.card::after {
  content: ""; position: absolute; left: 0; top: 0; height: 2px; width: 0;
  background: var(--grad-gold); transition: width .35s ease;
}
.card:hover { background: var(--bg-3); }
.card:hover::after { width: 100%; }
.card__icon {
  width: 46px; height: 46px; display: grid; place-items: center;
  border-radius: 12px; border: 1px solid var(--line); color: var(--gold);
  background: var(--surface); margin-bottom: 22px; transition: border-color .3s, color .3s;
}
.card__icon svg { width: 22px; height: 22px; }
.card:hover .card__icon { border-color: rgba(231,176,51,0.5); color: var(--gold-soft); }
.card h3 { font-size: 1.18rem; color: #eef0f2; margin-bottom: 10px; font-weight: 600; }
.card p { color: var(--text-dim); font-size: .96rem; }

/* ===== Products ===== */
.products { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.product {
  background: var(--bg); border: 1px solid var(--line); border-radius: 18px;
  overflow: hidden; transition: transform .3s, border-color .3s, box-shadow .3s;
  display: flex; flex-direction: column;
}
.product:hover { transform: translateY(-6px); border-color: rgba(231,176,51,0.32); box-shadow: var(--shadow); }
.product__media {
  position: relative; height: 158px; display: grid; place-items: center;
  background:
    radial-gradient(circle at 30% 25%, rgba(231,176,51,0.16), transparent 60%),
    linear-gradient(160deg, #12161d, #0a0c10);
  border-bottom: 1px solid var(--line);
}
.product__art { width: 56px; height: 56px; color: var(--gold); opacity: .9; }
.product__tag {
  position: absolute; top: 14px; left: 14px;
  background: var(--surface-hi); color: var(--text-dim); backdrop-filter: blur(6px);
  font-size: .68rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  padding: 5px 11px; border-radius: 999px; border: 1px solid var(--line);
}
.product__body { padding: 28px 26px 30px; display: flex; flex-direction: column; flex: 1; }
.product__body h3 { font-size: 1.32rem; color: #f3f5f7; margin-bottom: 4px; font-weight: 600; letter-spacing: -0.01em; }
.product__subtitle {
  font-size: .74rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 14px;
}
.product__body > p { color: var(--text-dim); font-size: .95rem; }
.product__points { list-style: none; margin: 18px 0 22px; display: flex; flex-direction: column; gap: 10px; }
.product__points li { position: relative; padding-left: 26px; font-size: .9rem; color: var(--text); }
.product__points li::before {
  content: ""; position: absolute; left: 4px; top: 8px; width: 8px; height: 8px;
  border-right: 1.6px solid var(--gold); border-bottom: 1.6px solid var(--gold);
  transform: rotate(45deg) translateY(-2px);
}
.link-arrow { margin-top: auto; font-weight: 600; color: var(--gold); font-size: .92rem; display: inline-flex; align-items: center; gap: 8px; }
.link-arrow span { transition: transform .25s; }
.link-arrow:hover { color: var(--gold-soft); }
.link-arrow:hover span { transform: translateX(4px); }

/* ===== Steps ===== */
.steps .step { background: var(--bg); padding: 34px 28px; transition: background .3s; }
.steps .step:hover { background: var(--bg-3); }
.step__num { display: block; font-size: 1.4rem; font-weight: 700; color: var(--gold); margin-bottom: 14px; }
.step h3 { font-size: 1.12rem; margin-bottom: 8px; color: #eef0f2; font-weight: 600; }
.step p { color: var(--text-dim); font-size: .92rem; }

/* ===== CTA ===== */
.cta {
  position: relative; overflow: hidden; text-align: center;
  background: linear-gradient(160deg, #12161d, #0a0c10);
  border: 1px solid var(--line); border-radius: 26px; padding: 78px 32px;
  box-shadow: var(--shadow);
}
.cta__glow { position: absolute; top: -160px; left: 50%; transform: translateX(-50%); width: 520px; height: 420px;
  background: radial-gradient(ellipse, rgba(231,176,51,0.22), transparent 68%); filter: blur(30px); }
.cta .eyebrow { position: relative; }
.cta h2 { font-size: clamp(1.9rem, 4vw, 2.7rem); font-weight: 600; position: relative; margin: 14px auto 0; max-width: 18ch; color: #f3f5f7; }
.cta p { margin: 16px auto 0; color: var(--text-dim); max-width: 48ch; position: relative; }
.cta__actions { display: flex; gap: 14px; justify-content: center; margin-top: 34px; flex-wrap: wrap; position: relative; }

/* ===== Footer ===== */
.footer { padding: 64px 0 40px; border-top: 1px solid var(--line-soft); background: var(--bg-2); }
.footer__top { display: flex; align-items: center; justify-content: space-between; padding-bottom: 28px; border-bottom: 1px solid var(--line-soft); flex-wrap: wrap; gap: 20px; }
.footer__brand { display: inline-flex; align-items: center; gap: 11px; }
.footer__links { display: flex; gap: 28px; flex-wrap: wrap; }
.footer__links a { color: var(--text-dim); font-size: .9rem; font-weight: 450; transition: color .2s; }
.footer__links a:hover { color: var(--gold); }
.footer__bottom { display: flex; align-items: center; justify-content: space-between; padding-top: 24px; flex-wrap: wrap; gap: 10px; }
.footer__tag { color: var(--text-mute); font-size: .9rem; }
.footer__copy { color: var(--text-mute); font-size: .85rem; }

/* ===== Reveal ===== */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ===== Responsive ===== */
@media (max-width: 940px) {
  .grid--3, .products { grid-template-columns: repeat(2, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .strip__inner { grid-template-columns: repeat(3, 1fr); }
  .stat { border-left: 0; }
  .stat:nth-child(n+4) { border-top: 1px solid var(--line-soft); }
}
@media (max-width: 760px) {
  .nav__links {
    position: fixed; top: 74px; right: 0; left: 0;
    flex-direction: column; align-items: flex-start; gap: 2px;
    background: rgba(10,12,16,0.97); backdrop-filter: blur(16px);
    padding: 16px 28px 24px; border-bottom: 1px solid var(--line);
    transform: translateY(-135%); transition: transform .35s ease;
  }
  .nav__links.open { transform: translateY(0); }
  .nav__links a { padding: 11px 0; width: 100%; }
  .nav__cta { width: 100%; text-align: center; margin-top: 6px; }
  .nav__toggle { display: flex; }
}
@media (max-width: 560px) {
  .grid--3, .grid--4, .products { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 60px; }
  .section { padding: 80px 0; }
  .strip__inner { grid-template-columns: repeat(2, 1fr); }
  .stat { padding: 32px 12px; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line-soft); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}