/* Volanyx AI — bright, airy, typographic */
:root {
  --bg: #F7FAFC;
  --surface: #FFFFFF;
  --tint: #EEF3FA;
  --ink: #0F1B26;
  --ink-2: #3A4A58;
  --muted: #5B6B79;
  --line: #DCE4EC;
  --accent: #2457E6;
  --accent-hover: #1A45C2;
  --accent-soft: #E7EEFF;

  --font-display: 'Cabinet Grotesk', 'Satoshi', system-ui, sans-serif;
  --font-body: 'Satoshi', 'Inter', system-ui, sans-serif;

  --text-xs: clamp(0.75rem, 0.72rem + 0.15vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.85rem + 0.12vw, 0.9375rem);
  --text-base: clamp(1rem, 0.97rem + 0.15vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1.05rem + 0.35vw, 1.3125rem);
  --text-xl: clamp(1.625rem, 1.3rem + 1.2vw, 2.25rem);
  --text-2xl: clamp(2.25rem, 1.6rem + 2.6vw, 3.5rem);
  --text-hero: clamp(2.5rem, 1.4rem + 4.2vw, 4.75rem);

  --radius: 14px;
  --radius-lg: 22px;
  --section: clamp(4rem, 9vw, 7.5rem);
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --max: 1200px;
  --ease: cubic-bezier(.2,.7,.2,1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--font-body); font-size: var(--text-base); line-height: 1.6;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { margin: 0; font-family: var(--font-display); line-height: 1.1; letter-spacing: -0.015em; text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }
ul, ol { margin: 0; padding: 0; list-style: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

.container { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter); }
.narrow > * { max-width: 820px; }
.muted { color: var(--muted); }
.small { font-size: var(--text-sm); }
.placeholder { color: var(--muted); background: var(--tint); border: 1px dashed #B9C7D6; border-radius: 6px; padding: 0 .4em; font-size: .95em; }

.skip-link { position: absolute; left: -9999px; top: 0; background: var(--ink); color: #fff; padding: .6rem 1rem; z-index: 100; }
.skip-link:focus { left: 1rem; top: 1rem; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(160%) blur(10px); -webkit-backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid transparent;
}
.site-header { border-bottom-color: var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 72px; }
.wordmark { display: inline-flex; align-items: baseline; gap: .35rem; text-decoration: none; font-family: var(--font-display); }
.wordmark-main { font-weight: 800; font-size: 1.35rem; letter-spacing: -0.02em; }
.wordmark-tag { font-weight: 700; font-size: .78rem; color: var(--accent); background: var(--accent-soft); border-radius: 6px; padding: .1rem .4rem; transform: translateY(-2px); }
.main-nav { display: flex; align-items: center; gap: clamp(.75rem, 2.5vw, 2rem); font-size: var(--text-sm); font-weight: 500; }
.main-nav a { text-decoration: none; color: var(--ink-2); transition: color .2s var(--ease); }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--ink); }
.main-nav a[aria-current="page"] { text-decoration: underline; text-decoration-color: var(--accent); text-decoration-thickness: 2px; text-underline-offset: 6px; }
.lang-switch {
  display: inline-flex; align-items: center; gap: .45rem;
  border: 1px solid var(--line); background: var(--surface); border-radius: 999px;
  padding: .45rem .85rem; color: var(--ink) !important; font-weight: 700;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
.lang-switch:hover { border-color: var(--accent); background: var(--accent-soft); }
.lang-switch svg { color: var(--accent); }

/* Buttons */
.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  min-height: 48px; padding: .75rem 1.35rem; border-radius: 999px;
  font: 700 var(--text-sm)/1 var(--font-body); text-decoration: none; cursor: pointer;
  border: 1px solid transparent; transition: background .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost { background: var(--surface); color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.text-link { display: inline-flex; gap: .3rem; margin-top: .75rem; color: var(--accent); font-weight: 700; font-size: var(--text-sm); text-decoration: none; }
.text-link:hover { text-decoration: underline; text-underline-offset: 4px; }

.eyebrow { font-size: var(--text-xs); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); margin-bottom: 1rem; }

/* Hero */
.hero { padding-block: clamp(3rem, 8vw, 6rem) clamp(3rem, 7vw, 5rem); }
.hero-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.hero-title { font-size: var(--text-hero); font-weight: 800; letter-spacing: -0.03em; line-height: 1.02; }
.hero-lead { margin-top: 1.5rem; font-size: var(--text-lg); color: var(--ink-2); max-width: 36ch; line-height: 1.55; }
.hero { position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image: radial-gradient(circle at 1px 1px, #CFDAE6 1px, transparent 0);
  background-size: 24px 24px;
  mask-image: radial-gradient(ellipse 70% 80% at 70% 40%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 80% at 70% 40%, #000 30%, transparent 75%);
}
.hero::after {
  content: ""; position: absolute; z-index: -1; width: 640px; height: 640px; right: -140px; top: -180px;
  background: radial-gradient(circle, rgba(36,87,230,.14), transparent 65%);
}
.hero-visual { position: relative; }
.hero-img {
  width: 100%; aspect-ratio: 3 / 2; object-fit: cover; border-radius: var(--radius-lg);
  box-shadow: 0 40px 80px -40px rgba(36,87,230,.45), 0 0 0 1px rgba(15,27,38,.06);
}
.hero-chip {
  position: absolute; left: clamp(-1.5rem, -2vw, -.5rem); bottom: 1.5rem;
  display: inline-flex; align-items: center; gap: .6rem;
  background: rgba(255,255,255,.92); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--line); border-radius: 999px; padding: .6rem 1rem;
  font-size: var(--text-xs); font-weight: 700; letter-spacing: .04em; color: var(--ink);
  box-shadow: 0 12px 30px -14px rgba(15,27,38,.3);
}
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 0 rgba(36,87,230,.5); animation: pulse 2.4s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 8px rgba(36,87,230,0); } 100% { box-shadow: 0 0 0 0 rgba(36,87,230,0); } }
@media (prefers-reduced-motion: reduce) { .pulse { animation: none; } html { scroll-behavior: auto; } }

/* Banner */
.banner { position: relative; height: clamp(320px, 42vw, 520px); overflow: hidden; }
.banner-img { width: 100%; height: 100%; object-fit: cover; }
.banner-overlay {
  position: absolute; inset: 0; display: flex; align-items: flex-end;
  background: linear-gradient(180deg, rgba(10,22,48,0) 35%, rgba(10,22,48,.72) 100%);
  padding-bottom: clamp(2rem, 5vw, 3.5rem);
}
.banner-text { color: #fff; font-family: var(--font-display); font-weight: 800; font-size: var(--text-xl); max-width: 22ch; line-height: 1.15; }
.banner-text::before { content: ""; display: block; width: 40px; height: 3px; background: #7FA2FF; margin-bottom: 1rem; border-radius: 2px; }

/* Sections */
.section { padding-block: var(--section); }
.section-tight { padding-block: clamp(2rem, 5vw, 3.5rem); }
.section-title { font-size: var(--text-xl); font-weight: 800; }

.caps-section { background: var(--surface); border-block: 1px solid var(--line); }
.caps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 2.5rem; border-top: 1px solid var(--line); }
.cap { padding: 1.75rem 1.5rem 0 0; }
.cap + .cap { padding-left: 1.5rem; border-left: 1px solid var(--line); }
.cap-index { font-size: var(--text-xs); font-weight: 700; color: var(--accent); letter-spacing: .06em; }
.cap-title { font-size: var(--text-lg); font-weight: 700; margin: .75rem 0 .5rem; }
.cap p { color: var(--muted); font-size: var(--text-sm); }
.focus-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: end; margin-bottom: clamp(2rem, 4vw, 3rem); }
.focus-intro .section-title { font-size: var(--text-2xl); }
.focus-intro .muted { max-width: 46ch; justify-self: end; }
.areas { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1.25rem; }
.area-card {
  grid-column: span 2; display: flex; flex-direction: column;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.area-card.area-wide { grid-column: span 3; }
.area-card:hover { transform: translateY(-3px); border-color: #C3D3F7; box-shadow: 0 24px 50px -30px rgba(36,87,230,.4); }
.area-media { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: var(--tint); }
.area-img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.area-card:hover .area-img { transform: scale(1.03); }
.area-index {
  position: absolute; top: .9rem; left: .9rem; font-family: var(--font-display); font-weight: 800; font-size: var(--text-sm);
  color: var(--accent); background: rgba(255,255,255,.92); border-radius: 8px; padding: .2rem .55rem;
}
.area-content { padding: 1.5rem 1.5rem 1.75rem; display: flex; flex-direction: column; flex: 1; }
.area-title { font-size: var(--text-lg); font-weight: 700; line-height: 1.25; margin-bottom: .6rem; }
.area-content p { color: var(--ink-2); font-size: var(--text-sm); line-height: 1.6; }
.area-content .tags { margin-top: auto; padding-top: 1.1rem; }
.tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1rem; }
.tags li { font-size: var(--text-xs); font-weight: 500; color: var(--accent); background: var(--accent-soft); border-radius: 999px; padding: .3rem .75rem; }

.parent-section { padding-block: 0; }
.parent-card {
  display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap;
  background: var(--tint); border-radius: var(--radius-lg); padding: clamp(2rem, 5vw, 3.5rem) !important;
  max-width: calc(var(--max) - 2 * var(--gutter));
}
.parent-card > div { max-width: 60ch; }
.parent-title { font-size: var(--text-xl); font-weight: 800; margin-bottom: .75rem; }

.cta { text-align: center; display: grid; justify-items: center; gap: 1rem; }
.cta .section-title { font-size: var(--text-2xl); }
.cta .btn { margin-top: .75rem; }

/* Contact */
.page-hero { padding-block: clamp(3.5rem, 8vw, 6rem) clamp(1.5rem, 4vw, 2.5rem); }
.page-title { font-size: var(--text-2xl); font-weight: 800; letter-spacing: -0.025em; }
.page-hero .hero-lead { max-width: 52ch; }
.page-hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.page-hero-img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius-lg); box-shadow: 0 40px 80px -45px rgba(36,87,230,.45), 0 0 0 1px rgba(15,27,38,.06); }
.thanks .container > * { max-width: 820px; }
.thanks { min-height: 55vh; }
.thanks .btn { margin-top: 2rem; }
.label-heading { font-family: var(--font-body); font-size: var(--text-xs); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 1.25rem; }
.reasons { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.reasons li { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; }
.reason-title { font-size: var(--text-base); font-weight: 700; margin-bottom: .5rem; font-family: var(--font-display); }
.reasons p { color: var(--muted); font-size: var(--text-sm); }

.contact-main { padding-top: clamp(2.5rem, 5vw, 4rem); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.contact-info .section-title { margin-bottom: 1.5rem; }
.office { padding-block: 1.5rem; border-top: 1px solid var(--line); }
.office-label { font-size: var(--text-xs); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }
.office-name { font-size: var(--text-lg); font-weight: 700; margin: .35rem 0 .75rem; }
address { font-style: normal; line-height: 1.75; color: var(--ink-2); }
.office .muted { margin-top: .75rem; }
.direct { padding-top: 1.5rem; border-top: 1px solid var(--line); }
.direct dl { margin: 0; display: grid; gap: .75rem; }
.direct dl div { display: grid; grid-template-columns: 6rem 1fr; gap: 1rem; }
.direct dt { color: var(--muted); font-size: var(--text-sm); }
.direct dd { margin: 0; font-weight: 500; }
.direct a { color: var(--accent); text-decoration: none; }

.form-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: clamp(1.5rem, 4vw, 2.75rem); box-shadow: 0 30px 60px -45px rgba(15,27,38,.25); }
.form-card > .muted { margin-top: .5rem; margin-bottom: 1.75rem; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field { display: grid; gap: .4rem; margin-bottom: 1.1rem; }
.field label { font-size: var(--text-sm); font-weight: 500; color: var(--ink-2); }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-size: var(--text-base); color: var(--ink);
  background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: .75rem .9rem;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
}
.field textarea { resize: vertical; min-height: 140px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); background: #fff; box-shadow: 0 0 0 4px var(--accent-soft); }
.hidden-field { position: absolute; left: -9999px; }
.form-card .btn { width: 100%; margin-top: .5rem; }
.contact-main + .parent-section { padding-bottom: var(--section); }

/* Footer */
.site-footer { margin-top: 0; background: var(--surface); border-top: 1px solid var(--line); padding-top: clamp(3rem, 6vw, 4.5rem); font-size: var(--text-sm); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.1fr; gap: 2rem; }
.footer-tagline { margin-top: 1rem; font-weight: 500; }
.footer-note { margin-top: .5rem; color: var(--muted); max-width: 40ch; }
.footer-note a { color: var(--accent); text-decoration: none; }
.footer-heading { font-family: var(--font-body); font-size: var(--text-xs); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: .75rem; }
.footer-heading:not(:first-child) { margin-top: 1.25rem; }
.footer-list { display: grid; gap: .5rem; }
.footer-list a { text-decoration: none; color: var(--ink-2); }
.footer-list a:hover { color: var(--accent); }
.footer-phone { font-weight: 700; }
.footer-bottom { margin-top: 3rem; padding-block: 1.5rem; border-top: 1px solid var(--line); color: var(--muted); font-size: var(--text-xs); }

/* Responsive */
@media (max-width: 960px) {
  .hero-grid, .contact-grid, .page-hero-grid, .focus-intro { grid-template-columns: 1fr; }
  .focus-intro .muted { justify-self: start; }
  .area-card, .area-card.area-wide { grid-column: span 3; }
  .area-card:last-child { grid-column: 1 / -1; }
  .hero-chip { left: 1rem; }
  .caps { grid-template-columns: 1fr 1fr; }
  .cap:nth-child(3) { padding-left: 0; border-left: 0; }
  .reasons { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 600px) {
  .main-nav a:not(.lang-switch):first-child { display: none; }
  .caps, .reasons, .field-row { grid-template-columns: 1fr; }
  .cap, .cap + .cap { padding: 1.5rem 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .areas { grid-template-columns: 1fr; }
  .area-card, .area-card.area-wide, .area-card:last-child { grid-column: auto; }
  .parent-card .btn { width: 100%; }
  .direct dl div { grid-template-columns: 1fr; gap: .1rem; }
}