/* ============================================================
   BERLIOSE — Design System (dark / neon)
   Display: Space Grotesk · Body: Manrope · Mono: JetBrains Mono
   ============================================================ */

:root {
  /* Canvas */
  --bg:        #06070c;
  --bg-2:      #090b13;
  --surface:   #0d1019;
  --surface-2: #11151f;
  --border:    rgba(255,255,255,0.08);
  --border-2:  rgba(255,255,255,0.14);

  /* Text */
  --text:   #f4f5fa;
  --muted:  #9aa0b4;
  --faint:  #626878;

  /* Brand neon — red rappel Berliose */
  --red:       #ff3236;
  --red-deep:  #e60000;
  --red-soft:  rgba(255,50,54,0.14);
  --red-glow:  rgba(255,50,54,0.45);

  /* AI signal — electric cyan */
  --cyan:      #34e7e0;
  --cyan-soft: rgba(52,231,224,0.12);
  --cyan-glow: rgba(52,231,224,0.40);

  /* Fonts */
  --font-display: "Space Grotesk", "Arial Narrow", sans-serif;
  --font-body:    "Manrope", system-ui, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, monospace;

  /* Layout */
  --maxw: 1240px;
  --gutter: clamp(20px, 5vw, 64px);
  --radius: 16px;
  --radius-lg: 24px;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  font-weight: 400;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  position: relative;
}

/* ---- Ambient page background (fixed) ---- */
.bg-field {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(900px 600px at 78% -8%, rgba(255,50,54,0.16), transparent 60%),
    radial-gradient(800px 600px at 6% 12%, rgba(52,231,224,0.10), transparent 55%),
    var(--bg);
}
.bg-grid {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 100% 70% at 50% 0%, #000 35%, transparent 80%);
          mask-image: radial-gradient(ellipse 100% 70% at 50% 0%, #000 35%, transparent 80%);
}
/* cursor-reactive glow */
.bg-cursor {
  position: fixed; width: 540px; height: 540px; z-index: -1; pointer-events: none;
  left: var(--mx, 50%); top: var(--my, 30%);
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(255,50,54,0.10), transparent 65%);
  transition: opacity .4s; opacity: .9;
}

/* ============================= Typography ============================= */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -0.03em;
  text-wrap: balance;
}
h1 { font-size: clamp(2.6rem, 6.4vw, 5.4rem); font-weight: 700; }
h2 { font-size: clamp(2rem, 4.2vw, 3.4rem); }
h3 { font-size: clamp(1.35rem, 2.1vw, 1.9rem); }
p  { color: var(--muted); text-wrap: pretty; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
  display: inline-flex; align-items: center; gap: 10px;
}
.eyebrow::before {
  content: ""; width: 26px; height: 1px; background: var(--cyan); opacity: .7;
}
.eyebrow.red { color: var(--red); }
.eyebrow.red::before { background: var(--red); }
.eyebrow.nodash::before { display: none; }

.grad-text {
  background: linear-gradient(110deg, #fff 20%, var(--red) 60%, var(--cyan) 110%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.red-text { color: var(--red); }
.cyan-text { color: var(--cyan); }
.lead { font-size: clamp(1.05rem, 1.5vw, 1.3rem); color: var(--muted); max-width: 60ch; }

/* ============================= Layout ============================= */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
section { position: relative; }
.section { padding-block: clamp(72px, 11vw, 150px); }
.section-sm { padding-block: clamp(48px, 7vw, 88px); }
.divider { height: 1px; background: var(--border); width: 100%; }

.sec-head { max-width: 760px; margin-bottom: clamp(40px, 6vw, 72px); }
.sec-head .eyebrow { margin-bottom: 22px; }
.sec-head p { margin-top: 20px; font-size: 1.12rem; }

/* ============================= Navbar ============================= */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background .3s, border-color .3s, backdrop-filter .3s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(6,7,12,0.72);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--maxw); margin-inline: auto; padding: 16px var(--gutter);
  display: flex; align-items: center; gap: 28px;
}
.nav-logo { display: flex; align-items: center; height: 30px; }
.nav-logo svg { height: 30px; width: auto; display: block; }
.nav-logo .cls-2 { fill: #f4f5fa; transition: fill .3s; }
.nav-logo .cls-1 { fill: var(--red); }
.nav-links {
  display: flex; align-items: center; gap: 4px; margin-left: auto;
  list-style: none;
}
.nav-links a {
  position: relative; color: var(--muted); text-decoration: none;
  font-size: 0.92rem; font-weight: 500; padding: 9px 14px; border-radius: 9px;
  transition: color .2s, background .2s; white-space: nowrap;
}
.nav-links a:hover { color: var(--text); background: rgba(255,255,255,0.05); }
.nav-links a.active { color: var(--text); }
.nav-links a.active::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px;
  height: 2px; background: var(--red); border-radius: 2px;
  box-shadow: 0 0 10px var(--red-glow);
}
.nav-has-sub { position: relative; }
.nav-sub {
  position: absolute; top: calc(100% + 8px); left: 0; min-width: 240px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 8px; display: flex; flex-direction: column; gap: 2px;
  opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: all .18s; box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}
.nav-has-sub:hover .nav-sub { opacity: 1; visibility: visible; transform: translateY(0); }
.nav-sub a { padding: 10px 12px; border-radius: 9px; display: flex; align-items: center; gap: 10px; }
.nav-sub a .idx { font-family: var(--font-mono); font-size: .7rem; color: var(--cyan); }

.nav-actions { display: flex; align-items: center; gap: 10px; }
.lang-toggle {
  display: flex; align-items: center; background: rgba(255,255,255,0.05);
  border: 1px solid var(--border); border-radius: 8px; overflow: hidden;
  font-family: var(--font-mono); font-size: .72rem;
}
.lang-toggle button {
  background: none; border: none; color: var(--muted); cursor: pointer;
  padding: 6px 10px; font: inherit; transition: all .2s;
}
.lang-toggle button.on { background: var(--red); color: #fff; }

.burger { display: none; background: none; border: 1px solid var(--border);
  border-radius: 9px; width: 42px; height: 42px; cursor: pointer; color: var(--text); }
.burger svg { width: 20px; height: 20px; }

/* mobile menu */
.mobile-menu {
  position: fixed; inset: 0; z-index: 99; background: rgba(6,7,12,0.97);
  backdrop-filter: blur(14px); display: flex; flex-direction: column;
  padding: 90px var(--gutter) 40px; gap: 4px;
  transform: translateX(100%); transition: transform .32s cubic-bezier(.4,0,.2,1);
  overflow-y: auto;
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu a { color: var(--text); text-decoration: none; font-family: var(--font-display);
  font-size: 1.5rem; font-weight: 600; padding: 14px 0; border-bottom: 1px solid var(--border); }
.mobile-menu a.sub { font-size: 1.05rem; color: var(--muted); padding-left: 18px; font-family: var(--font-body); }

/* ============================= Buttons ============================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--font-body); font-weight: 600; font-size: 0.98rem;
  padding: 14px 26px; border-radius: 11px; cursor: pointer; text-decoration: none;
  border: 1px solid transparent; transition: transform .15s, box-shadow .25s, background .2s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--red); color: #fff;
  box-shadow: 0 0 0 0 var(--red-glow), 0 12px 30px -10px var(--red-glow);
}
.btn-primary:hover { box-shadow: 0 0 28px -2px var(--red-glow), 0 14px 34px -8px var(--red-glow); transform: translateY(-2px); }
.btn-ghost { background: rgba(255,255,255,0.04); color: var(--text); border-color: var(--border-2); }
.btn-ghost:hover { background: rgba(255,255,255,0.09); border-color: var(--text); transform: translateY(-2px); }
.btn-cyan { background: transparent; color: var(--cyan); border-color: rgba(52,231,224,0.4); }
.btn-cyan:hover { background: var(--cyan-soft); box-shadow: 0 0 26px -6px var(--cyan-glow); }
.btn .arr { transition: transform .2s; }
.btn:hover .arr { transform: translateX(4px); }

/* ============================= Pills / badges ============================= */
.pill {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.05em;
  padding: 7px 14px; border-radius: 100px;
  background: rgba(255,255,255,0.04); border: 1px solid var(--border); color: var(--muted);
}
.pill .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan-glow); animation: pulse 2.4s infinite; }
.pill .dot.red { background: var(--red); box-shadow: 0 0 10px var(--red-glow); }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }

/* ============================= Cards ============================= */
.card {
  background: linear-gradient(180deg, var(--surface), var(--bg-2));
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 30px; position: relative; overflow: hidden;
  transition: border-color .3s, transform .3s, box-shadow .3s;
}
.card:hover { border-color: var(--border-2); transform: translateY(-4px);
  box-shadow: 0 24px 60px -28px rgba(0,0,0,0.8); }
.card .ic {
  width: 50px; height: 50px; border-radius: 13px; display: grid; place-items: center;
  background: var(--red-soft); border: 1px solid rgba(255,50,54,0.25); color: var(--red);
  margin-bottom: 22px;
}
.card .ic.cyan { background: var(--cyan-soft); border-color: rgba(52,231,224,0.25); color: var(--cyan); }
.card .ic svg { width: 24px; height: 24px; }
.card h3 { margin-bottom: 12px; }
.card p { font-size: 0.98rem; }
.card-glow::before {
  content: ""; position: absolute; top: -40%; right: -30%; width: 60%; height: 80%;
  background: radial-gradient(circle, var(--red-soft), transparent 70%);
  opacity: 0; transition: opacity .4s; pointer-events: none;
}
.card-glow:hover::before { opacity: 1; }

.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ============================= Stats / counters ============================= */
.stat .num {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2.6rem, 5vw, 4rem); line-height: 1; letter-spacing: -0.04em;
  background: linear-gradient(180deg, #fff, var(--muted));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.stat .num .suf { color: var(--red); -webkit-text-fill-color: var(--red); }
.stat .lbl { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--faint); margin-top: 12px; }

/* ============================= Process steps ============================= */
.step {
  display: grid; grid-template-columns: auto 1fr; gap: 28px; align-items: start;
  padding: 34px 0; border-top: 1px solid var(--border); position: relative;
}
.step .no {
  font-family: var(--font-mono); font-size: 0.9rem; color: var(--red);
  border: 1px solid rgba(255,50,54,0.3); border-radius: 10px;
  width: 56px; height: 56px; display: grid; place-items: center; flex: none;
  background: var(--red-soft);
}
.step h3 { margin-bottom: 10px; }

/* ============================= Marquee ============================= */
.marquee { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.marquee-track { display: flex; gap: 56px; width: max-content; animation: scrollx 32s linear infinite; }
.marquee-track span { font-family: var(--font-display); font-weight: 600; font-size: 1.4rem;
  color: var(--faint); display: inline-flex; align-items: center; gap: 56px; white-space: nowrap; }
.marquee-track span::after { content: "✦"; color: var(--red); font-size: 0.9rem; }
@keyframes scrollx { to { transform: translateX(-50%); } }

/* ============================= Footer ============================= */
.footer { border-top: 1px solid var(--border); background: var(--bg-2); padding-block: 64px 36px; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
.footer-grid svg { height: 34px; width: auto; }
.footer-grid .cls-2 { fill: #f4f5fa; }
.footer-grid .cls-1 { fill: var(--red); }
.footer h5 { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--faint); margin-bottom: 18px; font-weight: 500; }
.footer ul { list-style: none; display: flex; flex-direction: column; gap: 11px; }
.footer a { color: var(--muted); text-decoration: none; font-size: 0.95rem; transition: color .2s; }
.footer a:hover { color: var(--red); }
.footer .tel { color: var(--text); font-family: var(--font-mono); font-size: 0.9rem; }
.footer-bot { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px;
  margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--border);
  color: var(--faint); font-size: 0.85rem; }

/* ============================= Forms ============================= */
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--faint); }
.field input, .field textarea, .field select {
  background: var(--surface); border: 1px solid var(--border); border-radius: 11px;
  padding: 14px 16px; color: var(--text); font: inherit; font-size: 0.98rem; transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--red); box-shadow: 0 0 0 3px var(--red-soft);
}
.field textarea { resize: vertical; min-height: 130px; }

/* ============================= Placeholder media ============================= */
.ph {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--border);
  background:
    repeating-linear-gradient(135deg, rgba(255,255,255,0.025) 0 12px, transparent 12px 24px),
    var(--surface);
  display: grid; place-items: center; min-height: 220px;
}
.ph .tag { font-family: var(--font-mono); font-size: 0.78rem; color: var(--faint);
  letter-spacing: 0.06em; padding: 8px 14px; border: 1px dashed var(--border-2); border-radius: 8px; }

/* ============================= Reveal animation ============================= */
[data-reveal] { opacity: 0; transform: translateY(26px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
[data-reveal].in { opacity: 1; transform: none; }
[data-reveal][data-delay="1"] { transition-delay: .08s; }
[data-reveal][data-delay="2"] { transition-delay: .16s; }
[data-reveal][data-delay="3"] { transition-delay: .24s; }
[data-reveal][data-delay="4"] { transition-delay: .32s; }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1 !important; transform: none !important; }
  * { animation: none !important; }
}

/* ============================= Page hero ============================= */
.phero { padding-top: clamp(120px, 16vh, 200px); padding-bottom: clamp(40px, 6vw, 80px); }
.phero h1 { margin: 22px 0 24px; }

/* ============================= Responsive ============================= */
@media (max-width: 880px) {
  .contact-grid { grid-template-columns: 1fr !important; }
}
@media (max-width: 980px) {
  .nav-links, .nav .lang-toggle { display: none; }
  .burger { display: grid; place-items: center; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  body { font-size: 16px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .step { grid-template-columns: 1fr; gap: 14px; }
}