/* =========================================================
   VR Consultancy — one-page site
   Plain CSS, no frameworks
   ========================================================= */

:root {
  --ink: #17191c;
  --ink-2: #202327;
  --ink-3: #2a2d32;
  --paper: #f3f0ea;
  --white: #fbfaf7;
  --text: #2a2a28;
  --muted: #6f6a61;
  --line: #e3ddd2;
  --accent: #b89a6a;       /* soft brass, on dark backgrounds */
  --accent-2: #8a6d3f;     /* deep brass, on light backgrounds */
  --accent-ink: #17191c;
  --violet: #8a6d3f;       /* kept as alias of deep brass */
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 12px 32px -18px rgba(23,25,28, 0.22);
  --shadow-lg: 0 28px 56px -28px rgba(23,25,28, 0.30);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Times New Roman", serif;
  --container: 1160px;
  --header-h: 72px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.15; margin: 0 0 .5em; letter-spacing: -0.01em; color: var(--ink); }
h1, h2 { font-family: var(--serif); font-weight: 500; }
h1 { font-size: clamp(2.5rem, 5.4vw, 4.3rem); line-height: 1.08; }
h2 { font-size: clamp(2rem, 3.4vw, 2.8rem); }
h3 { font-size: 1.15rem; font-weight: 650; letter-spacing: 0; }
p  { margin: 0 0 1em; }

.container { width: min(100% - 40px, var(--container)); margin-inline: auto; }

.skip-link {
  position: absolute; left: -999px; top: 10px; z-index: 100;
  background: var(--accent); color: var(--ink); padding: 8px 14px; border-radius: 8px;
}
.skip-link:focus { left: 10px; }

:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: .74rem; font-weight: 600; letter-spacing: .22em; text-transform: uppercase;
  color: var(--accent-2); margin-bottom: 1rem;
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: currentColor; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 15px 28px; border-radius: var(--radius-sm); border: 1px solid transparent;
  font: inherit; font-weight: 600; font-size: .95rem; letter-spacing: .02em; text-decoration: none; cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: #c9ae80; }
.btn-ghost { background: transparent; color: var(--white); border-color: rgba(251,250,247,.28); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-light { background: var(--accent); color: var(--ink); }
.btn-light:hover { background: #c9ae80; }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50; height: var(--header-h);
  display: flex; align-items: center;
  transition: background .3s ease, box-shadow .3s ease, backdrop-filter .3s ease;
}
.site-header.scrolled {
  background: rgba(23,25,28, .9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 rgba(251,250,247,.06);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; }

.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--white); }
.brand-mark {
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%;
  background: transparent; border: 1px solid var(--accent);
  color: var(--accent); font-family: var(--serif); font-weight: 500; font-size: 1rem; letter-spacing: .04em;
}
.brand-name { font-family: var(--serif); font-weight: 500; font-size: 1.2rem; letter-spacing: .01em; }

.nav-menu { list-style: none; display: flex; align-items: center; gap: 6px; margin: 0; padding: 0; }
.nav-link {
  display: block; padding: 9px 14px; border-radius: var(--radius-sm); position: relative;
  color: rgba(251,250,247,.7); text-decoration: none; font-size: .92rem; font-weight: 500; letter-spacing: .01em;
  transition: color .2s, background .2s;
}
.nav-link:hover, .nav-link.active { color: var(--white); }
.nav-link.active:not(.nav-cta)::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 3px; height: 1px; background: var(--accent);
}
.nav-cta { border: 1px solid var(--accent); color: var(--accent) !important; margin-left: 10px; }
.nav-cta:hover, .nav-cta.active { background: var(--accent); color: var(--ink) !important; }

.nav-toggle {
  display: none; width: 44px; height: 44px; border: 0; background: transparent; cursor: pointer;
  flex-direction: column; justify-content: center; align-items: center; gap: 5px;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--white); border-radius: 2px; transition: transform .3s, opacity .3s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden; isolation: isolate;
  background: var(--ink); color: rgba(251,250,247,.82);
  padding: calc(var(--header-h) + 80px) 0 110px;
  min-height: 100vh; display: flex; align-items: center;
}
.hero h1 { color: var(--white); }
.hero .eyebrow { color: var(--accent); }
.hl { color: var(--accent); font-style: italic; }
.lead { font-size: 1.18rem; max-width: 36ch; color: rgba(251,250,247,.72); }

.hero-bg { position: absolute; inset: 0; z-index: -1; }
.glow { position: absolute; border-radius: 50%; filter: blur(110px); }
.glow-1 { width: 560px; height: 560px; background: var(--accent); top: -220px; right: -160px; opacity: .10; animation: float 18s ease-in-out infinite; }
.glow-2 { width: 420px; height: 420px; background: #8c8578; bottom: -220px; left: -140px; opacity: .10; animation: float 22s ease-in-out infinite reverse; }
.grid-lines {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(251,250,247,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(251,250,247,.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 70% 40%, #000 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 40%, #000 20%, transparent 70%);
}
@keyframes float { 50% { transform: translate(30px, 40px) scale(1.05); } }

.hero-inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items: center; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 2rem 0 3rem; }

.stats { display: flex; flex-wrap: wrap; gap: 14px; margin: 0; }
.stat {
  padding: 4px 28px 4px 0; border-radius: 0; margin-right: 14px;
  background: none; border: 0; border-right: 1px solid rgba(251,250,247,.12);
}
.stat dt { font-size: .74rem; text-transform: uppercase; letter-spacing: .1em; color: rgba(251,250,247,.5); }
.stat:last-child { border-right: 0; }
.stat dd { margin: 4px 0 0; font-family: var(--serif); font-size: 1.7rem; font-weight: 500; color: var(--white); }

/* Hero visual: orbiting tiles */
.hero-visual { display: grid; place-items: center; }
.tile-stack { position: relative; width: 420px; height: 420px; max-width: 100%; aspect-ratio: 1; }
.tile-stack::before, .tile-stack::after {
  content: ""; position: absolute; inset: 12%; border-radius: 50%;
  border: 1px solid rgba(251,250,247,.08);
}
.tile-stack::after { inset: 28%; border-color: rgba(184,154,106,.25); }
.core {
  position: absolute; inset: 34%; border-radius: 50%;
  background: #1f2125; border: 1px solid var(--accent);
  display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center;
  color: var(--white); box-shadow: 0 0 0 10px rgba(184,154,106,.05), 0 30px 60px -20px rgba(0,0,0,.6);
  animation: pulse 6s ease-in-out infinite;
}
.core-label { font-family: var(--serif); font-weight: 500; font-size: 1.2rem; }
.core-sub { font-size: .72rem; font-weight: 500; letter-spacing: .08em; color: var(--accent); }
@keyframes pulse { 50% { transform: scale(1.04); } }

.tile {
  position: absolute; display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 14px; border-radius: var(--radius-sm); white-space: nowrap;
  background: rgba(34,37,42, .9); border: 1px solid rgba(251,250,247,.1);
  color: rgba(251,250,247,.88); font-size: .84rem; font-weight: 500; letter-spacing: .01em;
  backdrop-filter: blur(8px); box-shadow: var(--shadow);
  animation: bob 6s ease-in-out infinite;
}
.tile-icon { color: var(--accent); font-size: 1rem; }
.t1 { top: 4%;  left: 30%; animation-delay: 0s; }
.t2 { top: 30%; right: -6%; animation-delay: -1.2s; }
.t3 { bottom: 14%; right: 2%; animation-delay: -2.4s; }
.t4 { bottom: 6%; left: 6%;  animation-delay: -3.6s; }
.t5 { top: 32%; left: -8%; animation-delay: -4.8s; }
@keyframes bob { 50% { transform: translateY(-10px); } }

/* ---------- Sections ---------- */
.section { padding: 120px 0; }
.section-head { max-width: 720px; margin-bottom: 56px; }
.section-lead { font-size: 1.12rem; color: var(--muted); }

.section-dark { background: var(--ink); color: rgba(251,250,247,.75); }
.section-dark h2, .section-dark h3 { color: var(--white); }
.section-dark .eyebrow { color: var(--accent); }
.section-dark .section-lead { color: rgba(251,250,247,.65); }

/* About */
.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; align-items: start; }
.split-head h2 { position: sticky; top: calc(var(--header-h) + 30px); }
.split-body p { font-size: 1.08rem; color: #3f3d39; }
.checks { list-style: none; padding: 0; margin: 1.8rem 0 2.2rem; display: grid; gap: 12px; }
.checks li { position: relative; padding-left: 36px; font-weight: 500; color: var(--ink); }
.checks li::before {
  content: ""; position: absolute; left: 4px; top: .8em; width: 16px; height: 1px;
  background: var(--accent-2);
}
.founder {
  display: flex; align-items: center; gap: 16px; padding: 18px 20px;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
}
.founder strong { display: block; color: var(--ink); }
.founder span { font-size: .9rem; color: var(--muted); }
.avatar {
  flex: none; width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center;
  background: var(--ink); color: var(--accent); font-family: var(--serif); font-weight: 500; font-size: 1.05rem;
}
.founder-link {
  margin-left: auto; width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center;
  background: var(--paper); color: var(--ink); transition: background .2s, color .2s;
}
.founder-link:hover { background: #17191c; color: var(--white); }

/* SharePoint use cases */
.usecases { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.usecase {
  padding: 28px; border-radius: var(--radius);
  background: rgba(251,250,247,.02);
  border: 1px solid rgba(251,250,247,.08);
  transition: transform .3s ease, border-color .3s ease, background .3s ease;
}
.usecase:hover { border-color: rgba(184,154,106,.45); background: rgba(251,250,247,.035); }
.usecase p { margin: 0; font-size: .97rem; }
.uc-icon {
  display: grid; place-items: center; width: 46px; height: 46px; margin-bottom: 18px; border-radius: 50%;
  background: transparent; border: 1px solid rgba(184,154,106,.4); color: var(--accent); font-size: 1.15rem;
}

/* AI & agents */
.section-ai { background: var(--white); position: relative; overflow: hidden; }
.section-ai::before {
  content: ""; position: absolute; width: 700px; height: 700px; right: -260px; top: -260px; border-radius: 50%;
  background: radial-gradient(circle, rgba(138,109,63, .06), transparent 65%); pointer-events: none;
}
.section-ai .eyebrow { color: var(--violet); }
.hl-dark { color: var(--accent-2); font-style: italic; }
.ai-head { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: end; margin-bottom: 56px; position: relative; }
.ai-head h2 { margin: 0; }
.ai-note {
  display: inline-block; margin: 0; padding: 4px 0 4px 18px; font-family: var(--serif); font-style: italic; font-size: 1.1rem;
  background: none; color: var(--ink); border-left: 1px solid var(--accent-2);
}
.ai-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; position: relative; }
.ai-card {
  padding: 30px 28px; border-radius: var(--radius); background: var(--paper); border: 1px solid var(--line);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.ai-card:hover { box-shadow: var(--shadow-lg); border-color: rgba(138,109,63, .35); }
.ai-card p { color: var(--muted); font-size: .97rem; margin: 0; }
.ai-icon {
  display: grid; place-items: center; width: 46px; height: 46px; margin-bottom: 18px; border-radius: 50%;
  background: transparent; border: 1px solid rgba(138,109,63,.35); color: var(--accent-2); font-size: 1.1rem;
}
.ai-card-wide {
  grid-column: 1 / -1; display: grid; grid-template-columns: auto 1fr; column-gap: 40px; align-items: start;
  background: var(--ink); border: 0; color: rgba(251,250,247,.75);
  padding: 40px;
}
.ai-card-wide h3 { color: var(--white); font-family: var(--serif); font-weight: 500; font-size: 1.9rem; margin: 10px 0 0; grid-column: 1; }
.ai-card-wide .ai-tag { grid-column: 1; }
.ai-card-wide p { color: rgba(251,250,247,.72); grid-column: 2; grid-row: 1 / span 2; font-size: 1.04rem; }
.ai-card-wide .pill-list { grid-column: 1 / -1; }
.ai-tag {
  display: inline-block; width: fit-content; padding: 0; font-size: .72rem; font-weight: 600;
  letter-spacing: .22em; text-transform: uppercase; background: none; color: var(--accent);
}
.pill-list { list-style: none; padding: 0; margin: 26px 0 0; display: flex; flex-wrap: wrap; gap: 10px; }
.pill-list li {
  padding: 8px 14px; border-radius: var(--radius-sm); font-size: .86rem; font-weight: 500; color: rgba(251,250,247,.85);
  background: transparent; border: 1px solid rgba(184,154,106,.3);
}
.journey {
  list-style: none; margin: 40px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); overflow: hidden; position: relative;
}
.journey li { display: flex; gap: 14px; align-items: center; padding: 22px 24px; position: relative; }
.journey li + li { border-left: 1px solid var(--line); }
.journey li:not(:last-child)::after {
  content: ""; position: absolute; right: -7px; top: 50%; width: 12px; height: 12px; z-index: 1;
  background: var(--white); border-top: 1px solid var(--line); border-right: 1px solid var(--line);
  transform: translateY(-50%) rotate(45deg);
}
.journey strong { display: block; color: var(--ink); }
.journey small { color: var(--muted); font-size: .86rem; line-height: 1.4; display: block; }
.j-step {
  flex: none; width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center;
  font-family: var(--serif); font-weight: 500; font-size: 1.05rem;
  background: transparent; border: 1px solid var(--accent-2); color: var(--accent-2);
}
.tile-ai { border-color: rgba(184,154,106,.45); }
.t6 { top: -2%; right: 6%; animation-delay: -5.6s; }

/* Services */
.services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.service {
  position: relative; padding: 36px 32px; border-radius: var(--radius);
  background: var(--white); border: 1px solid var(--line);
  transition: transform .3s ease, box-shadow .3s ease;
}
.service:hover { box-shadow: var(--shadow-lg); }
.service p { color: var(--muted); }
.service ul { list-style: none; padding: 0; margin: 1.4rem 0 0; display: grid; gap: 10px; }
.service li { position: relative; padding-left: 22px; font-size: .96rem; font-weight: 500; }
.service li::before { content: ""; position: absolute; left: 0; top: .8em; width: 10px; height: 1px; background: var(--accent-2); }
.service-featured li::before { background: var(--accent); }
.service-num { font-family: var(--serif); font-size: 2.2rem; font-weight: 400; line-height: 1; color: var(--accent-2); margin-bottom: 26px; }
.service-featured { background: var(--ink); border-color: var(--ink); color: rgba(251,250,247,.78); }
.service-featured h3 { color: var(--white); }
.service-featured p { color: rgba(251,250,247,.65); }
.service-featured .service-num { color: var(--accent); }

/* FAQ */
.section-faq { background: var(--white); }
.faq-wrap { display: grid; grid-template-columns: .8fr 1.2fr; gap: 64px; align-items: start; }
.faq-head { position: sticky; top: calc(var(--header-h) + 30px); }
.faq-list { display: grid; gap: 0; }
.faq-item {
  border: 0; border-bottom: 1px solid var(--line); border-radius: 0; background: transparent;
  transition: border-color .25s ease, background .25s ease, box-shadow .25s ease;
}
.faq-item:first-child { border-top: 1px solid var(--line); }
.faq-item[open] { border-bottom-color: var(--accent-2); }
.faq-item summary {
  list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 22px 4px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary h3 { margin: 0; font-family: var(--serif); font-weight: 500; font-size: 1.22rem; line-height: 1.35; }
.faq-item p { margin: 0; padding: 0 48px 24px 4px; color: var(--muted); }
.faq-icon { position: relative; flex: none; width: 28px; height: 28px; border-radius: 50%; border: 1px solid rgba(138,109,63,.35); }
.faq-icon::before, .faq-icon::after {
  content: ""; position: absolute; left: 50%; top: 50%; width: 11px; height: 1px;
  background: var(--accent-2); transform: translate(-50%, -50%); transition: transform .25s ease;
}
.faq-icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq-item[open] .faq-icon::after { transform: translate(-50%, -50%) rotate(0deg); }

/* CTA band */
.cta-band { padding: 0 0 20px; background: linear-gradient(var(--white) 50%, var(--paper) 50%); }
.cta-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
  padding: 52px 56px; border-radius: var(--radius);
  background: var(--ink); border: 1px solid rgba(184,154,106,.25);
  box-shadow: var(--shadow-lg);
}
.cta-inner h2 { color: var(--white); margin: 0; font-size: clamp(1.6rem, 2.8vw, 2.3rem); }

/* Contact */
.contact { display: grid; grid-template-columns: .9fr 1.1fr; gap: 64px; align-items: center; }
.contact-info .socials { margin-top: 2rem; }
.contact-info > p { color: var(--muted); font-size: 1.08rem; }
.email-card {
  display: flex; flex-direction: column; align-items: flex-start; gap: 6px; text-decoration: none;
  padding: 48px; border-radius: var(--radius); background: var(--ink); color: var(--white);
  border: 1px solid rgba(184,154,106,.25); box-shadow: var(--shadow-lg);
  transition: border-color .25s ease;
}
.email-card:hover { border-color: var(--accent); }
.email-card small { font-size: .72rem; font-weight: 600; letter-spacing: .22em; text-transform: uppercase; color: var(--accent); }
.email-card strong {
  font-family: var(--serif); font-weight: 500; font-size: clamp(1.7rem, 3.2vw, 2.6rem); line-height: 1.15;
  color: var(--white); overflow-wrap: anywhere; margin-top: 6px;
}
.email-note { color: rgba(251,250,247,.6); font-size: .98rem; }
.email-btn { margin-top: 26px; }
.email-card:hover .email-btn { background: #c9ae80; }
.contact-secondary {
  list-style: none; margin: 22px 0 0; padding: 0 4px; display: flex; flex-wrap: wrap; gap: 8px 36px;
  font-size: .9rem; color: var(--muted);
}
.contact-secondary span { font-size: .7rem; letter-spacing: .16em; text-transform: uppercase; margin-right: 10px; opacity: .8; }
.contact-secondary a { color: var(--muted); text-decoration: none; border-bottom: 1px solid transparent; transition: color .2s, border-color .2s; }
.contact-secondary a:hover { color: var(--ink); border-bottom-color: var(--accent-2); }
.socials { display: flex; gap: 10px; }
.socials a {
  width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center;
  background: var(--ink); color: var(--white); transition: background .2s, transform .2s;
}
.socials a:hover { background: var(--accent-2); }


/* Footer */
.site-footer { background: var(--ink); color: rgba(251,250,247,.55); padding: 28px 0; font-size: .9rem; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer-inner p { margin: 0; }
.brand-small .brand-mark { width: 34px; height: 34px; font-size: .85rem; }
.to-top {
  width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; text-decoration: none;
  border: 1px solid rgba(251,250,247,.15); color: var(--white); transition: background .2s;
}
.to-top:hover { background: rgba(251,250,247,.1); }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s ease; }
.reveal.visible { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero-inner, .split, .contact { grid-template-columns: 1fr; gap: 48px; }
  .hero { min-height: auto; padding-top: calc(var(--header-h) + 60px); }
  .hero-visual { order: -1; }
  .tile-stack { width: 340px; height: 340px; }
  .usecases, .services, .ai-grid { grid-template-columns: repeat(2, 1fr); }
  .split-head h2 { position: static; }
  .ai-head { grid-template-columns: 1fr; gap: 20px; }
  .faq-wrap { grid-template-columns: 1fr; gap: 32px; }
  .faq-head { position: static; }
  .journey { grid-template-columns: repeat(2, 1fr); }
  .journey li:nth-child(3) { border-left: 0; }
  .journey li:nth-child(n+3) { border-top: 1px solid var(--line); }
  .journey li:nth-child(2)::after { display: none; }
}

@media (max-width: 760px) {
  body { font-size: 16px; }
  .section { padding: 84px 0; }
  .nav-toggle { display: flex; }
  .nav-menu {
    position: fixed; top: var(--header-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 4px; padding: 16px 20px 24px;
    background: rgba(23,25,28, .97); backdrop-filter: blur(14px);
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: opacity .25s ease, transform .25s ease;
  }
  .nav-menu.open { transform: none; opacity: 1; pointer-events: auto; }
  .nav-link { padding: 14px 16px; font-size: 1.05rem; }
  .nav-cta { margin: 8px 0 0; text-align: center; }
  .site-header.menu-open { background: rgba(23,25,28, .97); }

  .hero-visual { display: none; }
  .stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; }
  .stat { margin-right: 0; padding: 2px 12px; }
  .stat:first-child { padding-left: 0; }
  .stat dt { font-size: .62rem; letter-spacing: .08em; }
  .stat dd { font-size: 1.3rem; }
  .usecases, .services, .ai-grid, .journey { grid-template-columns: 1fr; }
  .ai-card-wide { display: block; padding: 30px 24px; }
  .ai-card-wide p { margin-top: 14px; }
  .journey li + li { border-left: 0; border-top: 1px solid var(--line); }
  .journey li::after { display: none; }
  .email-card { padding: 32px 26px; }
  .contact-secondary { flex-direction: column; gap: 8px; }
  .cta-inner { padding: 36px 28px; }
  .faq-item summary { padding: 18px 18px; }
  .faq-item p { padding: 0 18px 20px; }
  .footer-inner { justify-content: center; text-align: center; }
}

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