/* ============================================================
   geo.sx1.nl — Pre-Sales Architect · v2 premium theme
   Single stylesheet. No frameworks. Dark, glass, gradient.
   ============================================================ */

:root {
  --bg-0: #070b14;
  --bg-1: #0b1120;
  --bg-2: #101a30;
  --ink-0: #f2f6ff;
  --ink-1: #b8c4dd;
  --ink-2: #7d8aa8;
  --line: rgba(148, 170, 210, 0.14);
  --glass: rgba(20, 30, 54, 0.55);
  --glass-hi: rgba(38, 52, 84, 0.5);
  --grad: linear-gradient(120deg, #5eead4 0%, #60a5fa 45%, #a78bfa 100%);
  --grad-soft: linear-gradient(120deg, rgba(94,234,212,.16), rgba(96,165,250,.16), rgba(167,139,250,.16));
  --accent: #60a5fa;
  --accent-2: #5eead4;
  --accent-3: #a78bfa;
  --radius: 20px;
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-text: "Inter", -apple-system, "Segoe UI", Roboto, sans-serif;
  --shadow-lg: 0 30px 80px -20px rgba(2, 8, 23, 0.8);
  --shadow-sm: 0 10px 30px -12px rgba(2, 8, 23, 0.6);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg-0);
  color: var(--ink-1);
  font-family: var(--font-text);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Ambient background layers ---------------------------------- */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: -2;
  background:
    radial-gradient(900px 600px at 85% -10%, rgba(96, 165, 250, 0.13), transparent 60%),
    radial-gradient(800px 600px at -10% 30%, rgba(94, 234, 212, 0.08), transparent 60%),
    radial-gradient(1000px 700px at 60% 110%, rgba(167, 139, 250, 0.10), transparent 60%),
    var(--bg-0);
}
body::after {
  content: "";
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, rgba(0,0,0,.5), transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, rgba(0,0,0,.5), transparent 75%);
  opacity: .35;
}

::selection { background: rgba(96, 165, 250, 0.35); color: var(--ink-0); }

a { color: var(--accent); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--accent-2); }

img, canvas { max-width: 100%; display: block; }

.wrap { width: min(1120px, 92vw); margin-inline: auto; }

/* Typography -------------------------------------------------- */
h1, h2, h3 { font-family: var(--font-display); color: var(--ink-0); line-height: 1.12; font-weight: 600; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.6rem, 6vw, 4.6rem); }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.6rem); margin-bottom: .8em; }
h3 { font-size: 1.25rem; margin-bottom: .5em; }
p + p { margin-top: 1em; }

.eyebrow {
  display: inline-flex; align-items: center; gap: .6rem;
  font-size: .78rem; font-weight: 600; letter-spacing: .22em;
  text-transform: uppercase; color: var(--accent-2);
  margin-bottom: 1.4rem;
}
.eyebrow::before {
  content: ""; width: 34px; height: 2px; background: var(--grad); border-radius: 2px;
}

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

.lede { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--ink-1); max-width: 58ch; }

/* Header / nav ------------------------------------------------ */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  transition: background .35s ease, box-shadow .35s ease, backdrop-filter .35s ease;
}
.site-header.scrolled {
  background: rgba(7, 11, 20, 0.72);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  box-shadow: 0 1px 0 var(--line), 0 20px 40px -30px rgba(0,0,0,.9);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem 0; gap: 1rem;
}
.brand {
  font-family: var(--font-display); font-size: 1.15rem; font-weight: 700;
  color: var(--ink-0); display: inline-flex; align-items: center; gap: .55rem;
}
.brand .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--grad); box-shadow: 0 0 18px rgba(96,165,250,.8);
}
.nav-links { display: flex; gap: .35rem; list-style: none; align-items: center; }
.nav-links a {
  display: block; padding: .5rem .95rem; border-radius: 999px;
  font-size: .92rem; font-weight: 500; color: var(--ink-1);
  position: relative; transition: color .2s ease, background .2s ease;
}
.nav-links a:hover { color: var(--ink-0); background: rgba(148,170,210,.08); }
.nav-links a.active {
  color: var(--ink-0);
  background: var(--grad-soft);
  box-shadow: inset 0 0 0 1px rgba(96,165,250,.35);
}
.nav-toggle {
  display: none; background: none; border: 1px solid var(--line);
  border-radius: 12px; color: var(--ink-0); padding: .45rem .7rem;
  font-size: 1.1rem; cursor: pointer;
}

/* Hero --------------------------------------------------------- */
.hero { position: relative; padding: clamp(8.5rem, 18vh, 12rem) 0 6.5rem; min-height: 88vh; display: flex; align-items: center; }
#hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; opacity: .9; }
.hero-inner { position: relative; }
.hero h1 { margin-bottom: 1.2rem; max-width: 16ch; }
.hero .role {
  font-family: var(--font-text); font-weight: 700; font-size: clamp(1.15rem, 2vw, 1.45rem);
  color: var(--ink-0); letter-spacing: .01em; margin-bottom: .9rem;
}
.credibility {
  display: inline-flex; flex-wrap: wrap; align-items: center; gap: .8rem;
  margin: 1.6rem 0 2.2rem; padding: .65rem 1.25rem;
  border: 1px solid var(--line); border-radius: 999px;
  background: var(--glass); backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  font-size: .95rem; color: var(--ink-1); box-shadow: var(--shadow-sm);
}
.credibility b { color: var(--ink-0); font-weight: 600; }
.credibility .sep { color: var(--accent); }

.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: .5rem; }

/* Buttons ------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .85rem 1.7rem; border-radius: 999px;
  font-weight: 600; font-size: .98rem; letter-spacing: .01em;
  transition: transform .25s cubic-bezier(.2,.8,.2,1), box-shadow .25s ease, filter .25s ease;
  will-change: transform;
}
.btn-primary {
  color: #061018; background: var(--grad); background-size: 160% 160%;
  box-shadow: 0 12px 40px -12px rgba(96, 165, 250, 0.55);
}
.btn-primary:hover { transform: translateY(-3px); filter: brightness(1.08); color: #061018; box-shadow: 0 20px 50px -14px rgba(94, 234, 212, 0.5); }
.btn-ghost { color: var(--ink-0); border: 1px solid var(--line); background: rgba(148,170,210,.05); }
.btn-ghost:hover { transform: translateY(-3px); border-color: rgba(96,165,250,.5); color: var(--ink-0); }

/* Stats ---------------------------------------------------------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin: 4.5rem 0 0; }
.stat {
  padding: 1.6rem 1.4rem; border-radius: var(--radius);
  background: var(--glass); border: 1px solid var(--line);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-sm);
}
.stat .num {
  font-family: var(--font-display); font-size: clamp(2rem, 3.4vw, 2.9rem);
  font-weight: 700; color: var(--ink-0); line-height: 1;
  font-variant-numeric: tabular-nums; min-width: 2.2ch;
}
.stat .num .suffix { background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.stat .label { font-size: .85rem; color: var(--ink-2); margin-top: .5rem; letter-spacing: .04em; }

/* Sections -------------------------------------------------------- */
.section { padding: clamp(4.5rem, 10vh, 7.5rem) 0; position: relative; }
.section-head { max-width: 62ch; margin-bottom: 3rem; }

/* Pillar cards ----------------------------------------------------- */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.card {
  position: relative; padding: 2.2rem 2rem 2.4rem;
  border-radius: var(--radius); background: var(--glass);
  border: 1px solid var(--line);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform .35s cubic-bezier(.2,.8,.2,1), box-shadow .35s ease, border-color .35s ease;
}
.card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  background: var(--grad-soft); opacity: 0; transition: opacity .35s ease;
  pointer-events: none;
}
.card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: rgba(96,165,250,.35); }
.card:hover::before { opacity: 1; }
.card > * { position: relative; }
.card .icon {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  font-size: 1.5rem; margin-bottom: 1.4rem;
  background: var(--grad-soft); border: 1px solid rgba(96,165,250,.3);
  box-shadow: 0 8px 24px -10px rgba(96,165,250,.4);
}
.card p { font-size: .98rem; color: var(--ink-1); }
.card .more {
  display: inline-flex; align-items: center; gap: .4rem;
  margin-top: 1.4rem; font-weight: 600; font-size: .92rem; color: var(--accent);
}
.card .more::after { content: "→"; transition: transform .25s ease; }
.card:hover .more::after { transform: translateX(5px); }

/* Feature rows ------------------------------------------------------ */
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 3.5rem; align-items: center; }
.split .panel {
  padding: 2.4rem; border-radius: var(--radius);
  background: var(--glass); border: 1px solid var(--line);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-lg);
}
.checklist { list-style: none; margin-top: 1.2rem; display: grid; gap: .9rem; }
.checklist li {
  padding-left: 2rem; position: relative; color: var(--ink-1); font-size: 1.02rem;
}
.checklist li::before {
  content: ""; position: absolute; left: 0; top: .42em;
  width: 1.05rem; height: 1.05rem; border-radius: 6px;
  background: var(--grad); box-shadow: 0 0 14px rgba(94,234,212,.45);
}
.checklist li::after {
  content: ""; position: absolute; left: .3rem; top: .68em;
  width: .45rem; height: .26rem; border-left: 2px solid #061018; border-bottom: 2px solid #061018;
  transform: rotate(-45deg);
}

/* Timeline ------------------------------------------------------------ */
.timeline { position: relative; margin-top: 2.5rem; padding-left: 2rem; border-left: 1px solid var(--line); display: grid; gap: 2.2rem; }
.timeline .t-item { position: relative; }
.timeline .t-item::before {
  content: ""; position: absolute; left: calc(-2rem - 5.5px); top: .5em;
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--grad); box-shadow: 0 0 0 4px rgba(96,165,250,.18), 0 0 16px rgba(96,165,250,.6);
}
.timeline .org { font-family: var(--font-display); font-size: 1.3rem; color: var(--ink-0); font-weight: 600; }
.timeline .role-line { font-size: .9rem; color: var(--accent-2); letter-spacing: .06em; text-transform: uppercase; font-weight: 600; margin: .2rem 0 .4rem; }
.timeline p { font-size: .98rem; }

/* Quote / verse -------------------------------------------------------- */
.quote {
  margin: 3rem auto 0; max-width: 46rem; text-align: center;
  font-family: var(--font-display); font-style: italic;
  font-size: clamp(1.3rem, 2.4vw, 1.8rem); color: var(--ink-0); line-height: 1.5;
}
.quote .ref { display: block; margin-top: 1rem; font-style: normal; font-family: var(--font-text); font-size: .85rem; letter-spacing: .18em; text-transform: uppercase; color: var(--accent-2); }

/* CTA band --------------------------------------------------------------- */
.cta-band {
  margin: 5rem 0 0; padding: clamp(2.5rem, 6vw, 4.5rem);
  border-radius: calc(var(--radius) + 8px);
  background: linear-gradient(140deg, rgba(94,234,212,.10), rgba(96,165,250,.12) 50%, rgba(167,139,250,.12));
  border: 1px solid rgba(96,165,250,.25);
  text-align: center; box-shadow: var(--shadow-lg);
}
.cta-band h2 { margin-bottom: .5em; }
.cta-band p { max-width: 52ch; margin-inline: auto; }

/* Footer ------------------------------------------------------------------ */
.site-footer { border-top: 1px solid var(--line); padding: 3rem 0 3.5rem; margin-top: 6rem; }
.footer-grid { display: flex; justify-content: space-between; gap: 2rem; flex-wrap: wrap; align-items: center; }
.site-footer .brand { font-size: 1rem; }
.site-footer nav { display: flex; gap: 1.4rem; flex-wrap: wrap; }
.site-footer nav a { color: var(--ink-2); font-size: .9rem; }
.site-footer nav a:hover { color: var(--ink-0); }
.site-footer .fine { width: 100%; color: var(--ink-2); font-size: .82rem; margin-top: 1.5rem; }

/* Page hero (subpages) ------------------------------------------------------ */
.page-hero { padding: clamp(8rem, 16vh, 10.5rem) 0 3.5rem; }
.page-hero h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); margin-bottom: 1rem; }
.pillar-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .4rem 1rem; border-radius: 999px; font-size: .8rem; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase;
  background: var(--grad-soft); border: 1px solid rgba(96,165,250,.3); color: var(--accent-2);
  margin-bottom: 1.6rem;
}

/* Prose ---------------------------------------------------------------------- */
.prose { max-width: 68ch; }
.prose h2 { margin-top: 3rem; }
.prose h3 { margin-top: 2.2rem; }
.prose p { color: var(--ink-1); }
.prose .lead { font-size: 1.15rem; color: var(--ink-0); font-weight: 500; }

/* Reveal animation (JS-enhanced only; content visible without JS) ------------- */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1); transition-delay: var(--d, 0s); }
.js .reveal.in { opacity: 1; transform: none; }

/* Progress bar ------------------------------------------------------------------ */
#scroll-progress { position: fixed; top: 0; left: 0; height: 2px; width: 0; background: var(--grad); z-index: 60; box-shadow: 0 0 12px rgba(96,165,250,.7); }

/* Responsive --------------------------------------------------------------------- */
@media (max-width: 940px) {
  .pillars { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; gap: 2.2rem; }
  .stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none; position: absolute; top: 100%; left: 4vw; right: 4vw;
    flex-direction: column; align-items: stretch; gap: .2rem;
    padding: .8rem; border-radius: 18px;
    background: rgba(11, 17, 32, 0.95); border: 1px solid var(--line);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: .8rem 1rem; }
  .hero { min-height: 0; padding-top: 8rem; }
  .stats { grid-template-columns: 1fr 1fr; gap: .8rem; }
  .stat { padding: 1.2rem 1rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .card, .btn { transition: none; }
  #hero-canvas { display: none; }
}