/* =========================================================
   ORTELIA — Platform edition (warm / coral)
   Design tokens
   ========================================================= */
:root {
  /* Palette */
  --bg: #ffffff;
  --paper: #FBF6F1;
  --paper-2: #F3EAE1;
  --dark: #1E1A16;          /* warm charcoal for dark bands */
  --dark-2: #2a251f;

  --coral: #CF3F26;         /* primary accent (AA: 4.78:1 with white) */
  --coral-ink: #B5351E;     /* hover, darker than base */
  --coral-text: #C23A20;    /* coral as small text on light (AA on white/paper/coral-soft) */
  --coral-soft: #FDEDE8;
  --turq: #12B8A6;          /* secondary / success */
  --gold: #E6A23C;

  --ink: #221D18;
  --ink-70: #5b5248;
  --ink-50: #8a8177;
  --line: #ece2d8;
  --line-soft: #f3ece4;

  /* Type */
  --f-display: "Manrope", system-ui, sans-serif;
  --f-body: "Inter", system-ui, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, monospace;

  /* Metrics */
  --radius: 16px;
  --radius-lg: 22px;
  --wrap: 1200px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-card: 0 24px 54px -34px rgba(60, 40, 30, 0.34);
  --shadow-soft: 0 12px 30px -20px rgba(60, 40, 30, 0.24);
}

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

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--f-body);
  background: var(--bg);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4 { font-family: var(--f-display); margin: 0; letter-spacing: -0.02em; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.mono { font-family: var(--f-mono); font-weight: 500; letter-spacing: 0.02em; }

.skip-link { position: absolute; left: -999px; top: 0; z-index: 200; background: var(--dark); color: #fff; padding: 10px 16px; border-radius: 0 0 10px 0; }
.skip-link:focus { left: 0; }

/* Keyboard focus rings */
a:focus-visible, button:focus-visible, .btn:focus-visible, .tab-btn:focus-visible, .nav-toggle:focus-visible, [tabindex]:focus-visible { outline: 2px solid var(--coral); outline-offset: 3px; border-radius: 6px; }

/* =========================================================
   Buttons
   ========================================================= */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--f-display); font-weight: 600; font-size: 15.5px;
  padding: 13px 22px; border-radius: 12px; border: 1px solid transparent;
  cursor: pointer; transition: transform .18s var(--ease), background .2s var(--ease), box-shadow .2s var(--ease), border-color .2s, color .2s;
  white-space: nowrap;
}
.btn svg { transition: transform .25s var(--ease); }
.btn:active { transform: translateY(1px) scale(0.99); }
.btn-sm { padding: 9px 16px; font-size: 14.5px; }
.btn-lg { padding: 16px 26px; font-size: 16.5px; }
.btn-block { width: 100%; justify-content: center; padding: 14px 22px; }

.btn-primary { background: var(--coral); color: #fff; box-shadow: 0 14px 26px -14px rgba(241, 87, 60, 0.6); }
.btn-primary:hover { background: var(--coral-ink); transform: translateY(-2px); }
.btn-primary:hover svg { transform: translateX(3px); }
.btn-lg.btn-primary:hover svg { transform: translateY(2px); }

.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--ink); transform: translateY(-2px); }

.btn-dark { background: var(--dark); color: #fff; }
.btn-dark:hover { background: #2a251f; transform: translateY(-2px); }

/* Elegant button: vertical text-roll + arrow that rotates in a circle */
.btn-elegant { gap: 12px; padding: 7px 7px 7px 22px; }
.btn-elegant.btn-block { padding: 9px 9px 9px 22px; }
.btn-roll { position: relative; display: inline-block; overflow: hidden; height: 20px; line-height: 20px; }
.btn-roll > span { display: block; transition: transform .5s cubic-bezier(0.25, 0.1, 0.25, 1); }
.btn-roll > span::after { content: attr(data-text); position: absolute; left: 0; top: 100%; white-space: nowrap; }
.btn-elegant:hover .btn-roll > span { transform: translateY(-100%); }
.btn-ico { flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; background: #fff; }
.btn-ico svg { color: var(--dark); transition: transform .5s cubic-bezier(0.25, 0.1, 0.25, 1); }
.btn-primary.btn-elegant .btn-ico svg { color: var(--coral); }
.btn-ghost .btn-ico { background: var(--paper); border: 1px solid var(--line); }
.btn-elegant:hover .btn-ico svg { transform: rotate(-45deg); }

.link-quiet { font-family: var(--f-display); font-weight: 600; font-size: 14.5px; color: var(--ink-70); transition: color .2s; }
.link-quiet:hover { color: var(--coral-text); }

/* =========================================================
   Topbar
   ========================================================= */
.topbar { background: var(--dark); color: #fff; font-size: 13.5px; }
.topbar-inner { display: flex; align-items: center; justify-content: center; gap: 18px; height: 40px; flex-wrap: wrap; }
.topbar-tag { background: var(--coral); color: #fff; font-size: 10.5px; padding: 3px 7px; border-radius: 5px; letter-spacing: 0.06em; }
.topbar a { color: #fff; font-weight: 600; display: inline-flex; align-items: center; gap: 5px; }
.topbar a span { transition: transform .2s var(--ease); display: inline-block; }
.topbar a:hover span { transform: translateX(3px); }

/* =========================================================
   Header
   ========================================================= */
.site-header { position: sticky; top: 0; z-index: 100; padding-top: 12px; background: transparent; }
.header-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  background: #fff; border-radius: 100px; padding: 6px 6px 6px 8px;
  box-shadow: 0 12px 36px -20px rgba(60, 40, 30, 0.32), 0 1px 2px rgba(60, 40, 30, 0.04);
  transition: box-shadow .3s;
}
.site-header.scrolled .header-inner { box-shadow: 0 16px 44px -20px rgba(60, 40, 30, 0.4), 0 1px 2px rgba(60, 40, 30, 0.05); }

.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); }
.brand-logo { width: 40px; height: 40px; border-radius: 50%; background: var(--dark); color: #fff; display: grid; place-items: center; flex-shrink: 0; }
.brand-name { font-family: var(--f-display); font-weight: 800; font-size: 19px; letter-spacing: 0.04em; }

.nav { display: flex; gap: 30px; }
.nav a { font-size: 15px; font-weight: 500; color: var(--ink-70); position: relative; padding: 4px 0; transition: color .2s; }
.nav a::after { content: ""; position: absolute; left: 0; bottom: -2px; height: 2px; width: 0; background: var(--coral); transition: width .25s var(--ease); }
.nav a:hover { color: var(--ink); }
.nav a:hover::after { width: 100%; }

.header-cta { display: flex; align-items: center; gap: 16px; }
.nav-clock { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--ink-70); font-variant-numeric: tabular-nums; }
.nav-clock svg { color: var(--ink-70); }
@media (max-width: 1120px) { .nav-clock { display: none; } }

.nav-toggle { display: none; background: none; border: 0; cursor: pointer; width: 40px; height: 40px; flex-direction: column; gap: 5px; align-items: center; justify-content: center; }
.nav-toggle span { width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .3s var(--ease), opacity .2s; }
.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); }

.mobile-nav { display: none; flex-direction: column; gap: 4px; margin: 8px auto 0; max-width: var(--wrap); padding: 12px 16px 16px; background: #fff; border-radius: 20px; box-shadow: 0 16px 44px -20px rgba(60, 40, 30, 0.4); }
.mobile-nav.open { display: flex; }
.mobile-nav a { padding: 12px 6px; font-family: var(--f-display); font-weight: 600; font-size: 18px; color: var(--ink); border-bottom: 1px solid var(--line-soft); }
.mobile-nav a.btn { margin-top: 12px; border-bottom: 0; color: #fff; justify-content: center; }

/* =========================================================
   Hero
   ========================================================= */
.hero { position: relative; padding: 56px 0 76px; background: var(--paper); }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background-image:
    linear-gradient(to right, rgba(60,40,30,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(60,40,30,0.04) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(120% 92% at 72% 8%, #000 38%, transparent 78%);
  -webkit-mask-image: radial-gradient(120% 92% at 72% 8%, #000 38%, transparent 78%);
}
.hero-canvas { position: absolute; inset: 0; z-index: 1; width: 100%; height: 100%; pointer-events: none; }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--f-mono); font-size: 12.5px; letter-spacing: 0.03em; text-transform: uppercase;
  color: var(--ink-70); background: #fff; border: 1px solid var(--line);
  padding: 7px 14px; border-radius: 100px; box-shadow: var(--shadow-soft);
}
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--turq); box-shadow: 0 0 0 4px rgba(18,184,166,0.18); }

.hero-services { display: flex; flex-wrap: wrap; align-items: center; margin-bottom: 2px; font-family: var(--f-mono); font-size: 12.5px; font-weight: 500; letter-spacing: 0.09em; text-transform: uppercase; color: var(--ink-70); }
.hero-services li { display: flex; align-items: center; cursor: default; transition: color .35s var(--ease); }
.hero-services li.is-active { color: var(--coral-text); }
.hero-services li:hover { color: var(--ink); }
.hero-services li:not(:last-child)::after { content: ""; width: 4px; height: 4px; border-radius: 50%; background: var(--coral); opacity: .55; margin: 0 13px; transition: transform .35s var(--ease), opacity .35s var(--ease); }
.hero-services li.is-active::after { opacity: 1; transform: scale(1.5); }

.hero h1 { margin: 20px 0 20px; font-size: clamp(1.85rem, 5.6vw, 4.3rem); font-weight: 800; line-height: 1.02; color: var(--ink); }
.accent-word { position: relative; color: var(--coral); white-space: nowrap; }
.accent-word::after { content: ""; position: absolute; left: 0; right: 0; bottom: 4px; height: 9px; background: rgba(18,184,166,0.28); border-radius: 3px; z-index: -1; }
.lede { font-size: 18.5px; color: var(--ink-70); max-width: 52ch; }

.hero-actions { display: flex; gap: 14px; margin: 30px 0 34px; flex-wrap: wrap; }

.hero-metrics { display: flex; gap: 34px; padding-top: 26px; border-top: 1px solid var(--line); }
.hero-metrics li { display: flex; flex-direction: column; }
.hero-metrics strong { font-family: var(--f-display); font-size: 26px; font-weight: 800; color: var(--ink); }
.hero-metrics span { font-size: 13px; color: var(--ink-50); }

/* Engine / order card */
.hero-visual { position: relative; }
.engine-panel { position: relative; z-index: 2; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 22px; box-shadow: var(--shadow-card); }
.engine-head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 14px; border-bottom: 1px solid var(--line-soft); }
.engine-head .mono { font-size: 10.5px; letter-spacing: 0.07em; color: var(--ink-50); }
.engine-live { display: inline-flex; align-items: center; gap: 7px; font-family: var(--f-mono); font-size: 11px; color: var(--turq); }
.pulse { width: 7px; height: 7px; border-radius: 50%; background: var(--turq); animation: pulse 1.8s var(--ease) infinite; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 0 rgba(18,184,166,0.5); } 50% { box-shadow: 0 0 0 6px rgba(18,184,166,0); } }

.engine-source { padding: 18px 0 6px; display: flex; align-items: flex-start; gap: 12px; }
.source-text { font-family: var(--f-display); font-weight: 700; font-size: 20px; color: var(--ink); line-height: 1.25; }

.lang-chip { flex-shrink: 0; font-family: var(--f-mono); font-size: 11px; font-weight: 500; color: var(--coral-ink); background: var(--coral-soft); border: 1px solid rgba(241,87,60,0.2); padding: 3px 8px; border-radius: 7px; letter-spacing: 0.03em; line-height: 1.5; }
.lang-chip.source-chip { color: var(--ink); background: var(--paper-2); border-color: var(--line); }
.lang-chip.ghost { color: var(--ink-50); background: transparent; border-color: var(--line); }

.engine-lines { width: 100%; height: 42px; margin: 2px 0; overflow: visible; }
.engine-lines path { fill: none; stroke: var(--line); stroke-width: 1.4; }
.engine-lines path.active-wire { stroke: var(--turq); stroke-dasharray: 4 4; animation: dash 1s linear infinite; }
@keyframes dash { to { stroke-dashoffset: -16; } }
.wire-cursor { fill: var(--coral); filter: drop-shadow(0 0 4px rgba(241,87,60,0.55)); }

.engine-out { display: flex; flex-direction: column; gap: 8px; margin-top: 4px; }
.out-line { display: flex; align-items: center; gap: 11px; padding: 11px 13px; border: 1px solid var(--line-soft); border-radius: 12px; background: var(--paper); transition: border-color .35s var(--ease), background .35s var(--ease), transform .35s var(--ease), opacity .35s; opacity: 0.55; }
.out-line[dir="rtl"] { text-align: right; }
.out-line .out-text { font-size: 14.5px; color: var(--ink-70); flex: 1; }
.out-line.is-active { opacity: 1; border-color: rgba(241,87,60,0.32); background: #fff; box-shadow: var(--shadow-soft); transform: translateX(2px); }
.out-line .check { width: 17px; height: 17px; border-radius: 50%; border: 1.5px solid var(--line); flex-shrink: 0; position: relative; transition: border-color .3s, background .3s; }
.out-line.is-active .check { background: var(--turq); border-color: var(--turq); }
.out-line.is-active .check::after { content: ""; position: absolute; left: 5px; top: 2.5px; width: 4px; height: 8px; border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg); }

.engine-quote { display: flex; align-items: center; justify-content: space-between; margin-top: 16px; padding-top: 15px; border-top: 1px solid var(--line-soft); gap: 12px; }
.quote-label { display: block; font-size: 10px; color: var(--ink-50); letter-spacing: 0.08em; margin-bottom: 2px; }
.quote-price { font-family: var(--f-display); font-size: 26px; font-weight: 800; color: var(--ink); }
.quote-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 3px; }
.quote-meta .mono { font-size: 10.5px; color: var(--ink-50); }
.quote-eta { color: var(--turq) !important; }

.engine-glow { position: absolute; inset: 8% -6% -12% 6%; z-index: 1; border-radius: 40px; background: radial-gradient(60% 60% at 50% 50%, rgba(241,87,60,0.16), transparent 70%); filter: blur(24px); }

/* =========================================================
   Certs
   ========================================================= */
.certs { padding: 34px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg); }
.certs-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-50); text-align: center; margin-bottom: 20px; }
.certs-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 18px 40px; }
.certs-row li { display: flex; flex-direction: column; align-items: center; text-align: center; }
.cert-code { font-size: 17px; color: var(--ink); font-weight: 500; }
.certs-row li span:last-child { font-size: 12.5px; color: var(--ink-50); }

/* =========================================================
   Sections shared
   ========================================================= */
.section { padding: 96px 0; }
.section-alt { background: var(--paper); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.section-head { max-width: 650px; margin-bottom: 52px; }
.section-kicker { display: inline-block; font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--coral-text); margin-bottom: 16px; }
.section-head h2 { font-size: clamp(1.9rem, 3.6vw, 2.8rem); font-weight: 800; color: var(--ink); line-height: 1.08; }
.section-head p { margin-top: 16px; font-size: 17.5px; color: var(--ink-70); }
.section-head.on-dark h2 { color: #fff; }
.section-head.on-dark p { color: rgba(255,255,255,0.7); }

/* =========================================================
   Services (asymmetric bento)
   ========================================================= */
.services { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.service-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; grid-column: span 2; transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s; }
.service-lead { grid-column: span 2; grid-row: span 2; background: var(--dark); border-color: var(--dark); color: #fff; padding: 34px; }
.service-lead h3, .service-lead p { color: #fff; }
.service-lead p { color: rgba(255,255,255,0.76); }
.service-wide { grid-column: span 2; }
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); border-color: rgba(241,87,60,0.3); }
.service-lead:hover { border-color: var(--coral); }

.service-top { display: flex; gap: 8px; margin-bottom: 18px; }
.service-lead .lang-chip { color: #fff; background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.2); }
.service-lead .lang-chip.ghost { color: var(--turq); background: transparent; border-color: rgba(18,184,166,0.45); }
.service-card h3 { font-size: 20px; font-weight: 700; color: var(--ink); margin-bottom: 10px; line-height: 1.2; }
.service-lead h3 { font-size: 26px; }
.service-card p { font-size: 15.5px; color: var(--ink-70); }
.service-points { margin-top: 18px; display: flex; flex-direction: column; gap: 9px; }
.service-points li { position: relative; padding-left: 24px; font-size: 14.5px; color: var(--ink-70); }
.service-lead .service-points li { color: rgba(255,255,255,0.82); }
.service-points li::before { content: ""; position: absolute; left: 0; top: 7px; width: 12px; height: 8px; border: solid var(--turq); border-width: 0 2px 2px 0; transform: rotate(45deg); border-radius: 1px; }

/* =========================================================
   Tabs (Branchen)
   ========================================================= */
.tab-nav { display: flex; gap: 6px; border-bottom: 1px solid var(--line); overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
.tab-nav::-webkit-scrollbar { display: none; }
.tab-btn { position: relative; flex: 1 0 auto; display: flex; flex-direction: column; align-items: center; gap: 11px; padding: 6px 18px 18px; background: transparent; border: 0; cursor: pointer; color: var(--ink-70); transition: color .2s; }
.tab-btn svg { width: 34px; height: 34px; color: var(--coral); opacity: .82; transition: opacity .2s, transform .25s var(--ease); }
.tab-btn .tab-label { font-family: var(--f-display); font-weight: 600; font-size: 13.5px; letter-spacing: -0.01em; white-space: nowrap; }
.tab-btn:hover { color: var(--ink); }
.tab-btn:hover svg { opacity: 1; transform: translateY(-2px); }
.tab-btn.is-active { color: var(--ink); }
.tab-btn.is-active svg { opacity: 1; }
.tab-btn::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: -1px; height: 2.5px; background: var(--coral); border-radius: 2px; transform: scaleX(0); transform-origin: center; transition: transform .4s var(--ease); }
.tab-btn.is-active::after { transform: scaleX(1); }

.tab-panels { margin-top: 26px; }
.tab-panel { display: grid; grid-template-columns: 0.85fr 1.5fr; gap: 48px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 40px; box-shadow: var(--shadow-soft); }
.tab-panel[hidden] { display: none; }
.panel-left h3 { font-size: 23px; font-weight: 700; color: var(--ink); margin-bottom: 22px; }
.panel-side-label { display: block; font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.09em; color: var(--ink-50); margin-bottom: 16px; }
.doc-list { display: grid; grid-template-columns: 1fr; gap: 11px; }
.doc-list li { position: relative; padding-left: 22px; font-size: 15.5px; color: var(--ink-70); }
.doc-list li::before { content: ""; position: absolute; left: 0; top: 9px; width: 10px; height: 1.5px; background: var(--coral); }
.panel-stat { margin-top: 24px; font-size: 12px; color: var(--coral-text); letter-spacing: 0.02em; }

.logo-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.logo-cell { display: flex; align-items: center; justify-content: center; min-height: 96px; padding: 16px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background .25s; }
.logo-cell:nth-child(3n) { border-right: 0; }
.logo-cell:nth-child(n+4) { border-bottom: 0; }
.logo-cell:hover { background: var(--paper); }
.wordmark { font-family: var(--f-display); font-weight: 700; font-size: 15px; letter-spacing: 0.01em; color: var(--ink-50); text-align: center; transition: color .25s; }
.logo-cell:hover .wordmark { color: var(--ink); }

/* Lively tab-switch: staggered entrance of panel content */
@keyframes panel-in { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
@keyframes icon-pop { 0% { transform: scale(0.7); } 55% { transform: scale(1.15); } 100% { transform: scale(1); } }
.tab-btn.is-active svg { animation: icon-pop .45s var(--ease); }
.tab-panel.is-active .panel-left h3 { animation: panel-in .5s var(--ease) both; }
.tab-panel.is-active .doc-list li { animation: panel-in .5s var(--ease) both; }
.tab-panel.is-active .doc-list li:nth-child(1) { animation-delay: .08s; }
.tab-panel.is-active .doc-list li:nth-child(2) { animation-delay: .13s; }
.tab-panel.is-active .doc-list li:nth-child(3) { animation-delay: .18s; }
.tab-panel.is-active .doc-list li:nth-child(4) { animation-delay: .23s; }
.tab-panel.is-active .doc-list li:nth-child(5) { animation-delay: .28s; }
.tab-panel.is-active .doc-list li:nth-child(6) { animation-delay: .33s; }
.tab-panel.is-active .panel-stat { animation: panel-in .5s var(--ease) .42s both; }
.tab-panel.is-active .logo-cell { animation: panel-in .55s var(--ease) both; }
.tab-panel.is-active .logo-cell:nth-child(1) { animation-delay: .14s; }
.tab-panel.is-active .logo-cell:nth-child(2) { animation-delay: .20s; }
.tab-panel.is-active .logo-cell:nth-child(3) { animation-delay: .26s; }
.tab-panel.is-active .logo-cell:nth-child(4) { animation-delay: .32s; }
.tab-panel.is-active .logo-cell:nth-child(5) { animation-delay: .38s; }
.tab-panel.is-active .logo-cell:nth-child(6) { animation-delay: .44s; }
@media (prefers-reduced-motion: reduce) {
  .tab-btn.is-active svg,
  .tab-panel.is-active .panel-left h3,
  .tab-panel.is-active .doc-list li,
  .tab-panel.is-active .panel-stat,
  .tab-panel.is-active .logo-cell { animation: none; }
  .tab-btn::after { transition: none; }
}

/* Mobile/tablet: tabs as a 2-col grid (all visible, no horizontal scroll) */
@media (max-width: 900px) {
  .tab-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; border-bottom: 0; overflow: visible; }
  .tab-btn { flex: none; flex-direction: row; align-items: center; justify-content: flex-start; gap: 10px; min-height: 56px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
  .tab-btn svg { width: 22px; height: 22px; }
  .tab-btn .tab-label { white-space: normal; text-align: left; line-height: 1.15; font-size: 13.5px; }
  .tab-btn.is-active { border-color: var(--coral); background: var(--coral-soft); color: var(--ink); }
  .tab-btn.is-active::after { display: none; }
  .tab-btn:active { transform: scale(0.98); }
}

/* =========================================================
   Pricing
   ========================================================= */
.pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.price-card { position: relative; display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 32px 28px; transition: transform .3s var(--ease), box-shadow .3s var(--ease); }
.price-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); }
.price-featured { border-color: var(--coral); box-shadow: 0 30px 60px -34px rgba(241,87,60,0.5); }
.price-flag { position: absolute; top: -12px; left: 28px; background: var(--coral); color: #fff; font-size: 10.5px; padding: 5px 11px; border-radius: 7px; letter-spacing: 0.06em; }
.price-tier { font-size: 12px; letter-spacing: 0.1em; color: var(--coral-text); margin-bottom: 12px; }
.price-desc { font-size: 14.5px; color: var(--ink-70); min-height: 62px; }
.price-value { display: flex; align-items: baseline; gap: 6px; margin: 18px 0 22px; padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.price-num { font-family: var(--f-display); font-size: 40px; font-weight: 800; color: var(--ink); letter-spacing: -0.03em; }
.price-unit { font-size: 15px; color: var(--ink-50); }
.price-points { display: flex; flex-direction: column; gap: 11px; margin-bottom: 26px; flex: 1; }
.price-points li { position: relative; padding-left: 26px; font-size: 14.5px; color: var(--ink-70); }
.price-points li::before { content: ""; position: absolute; left: 0; top: 6px; width: 12px; height: 8px; border: solid var(--turq); border-width: 0 2px 2px 0; transform: rotate(45deg); }
.price-note { text-align: center; margin-top: 26px; font-size: 13px; color: var(--ink-50); }

/* =========================================================
   Order ways (Friction-free ordering)
   ========================================================= */
.section-head.center { max-width: 620px; margin-left: auto; margin-right: auto; text-align: center; }
.order-ways { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; }
.order-way { display: flex; flex-direction: column; align-items: center; text-align: center; padding: 8px 32px; }
.order-way:not(:last-child) { border-right: 1px solid var(--line); }
.order-icon { color: var(--coral); margin-bottom: 22px; }
.order-icon svg { width: 60px; height: 60px; }
.order-way h3 { font-size: 22px; font-weight: 700; color: var(--ink); margin-bottom: 12px; }
.order-way > p { font-size: 15.5px; color: var(--ink-70); max-width: 34ch; margin-bottom: 24px; min-height: 72px; }
.order-way .btn { margin-bottom: 26px; }
.check-list { width: 100%; display: flex; flex-direction: column; gap: 12px; text-align: left; padding-top: 22px; border-top: 1px solid var(--line); }
.check-list li { position: relative; padding-left: 30px; font-size: 14.5px; color: var(--ink-70); line-height: 1.45; }
.check-list li::before { content: ""; position: absolute; left: 6px; top: 2px; width: 6px; height: 11px; border: solid var(--coral); border-width: 0 2.5px 2.5px 0; transform: rotate(45deg); }

/* =========================================================
   Process
   ========================================================= */
.process { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step { position: relative; padding: 30px 26px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); transition: transform .3s var(--ease), box-shadow .3s var(--ease); }
.step:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); }
.step-num { display: inline-flex; align-items: center; justify-content: center; width: 46px; height: 46px; border-radius: 12px; background: var(--dark); color: #fff; font-size: 16px; font-weight: 500; margin-bottom: 18px; }
.step h3 { font-size: 20px; font-weight: 700; color: var(--ink); margin-bottom: 10px; }
.step p { font-size: 15px; color: var(--ink-70); margin-bottom: 18px; }
.step-tag { display: inline-block; font-size: 11px; color: var(--coral-text); background: var(--coral-soft); padding: 5px 10px; border-radius: 7px; letter-spacing: 0.05em; }

/* =========================================================
   Languages (dark)
   ========================================================= */
.section-dark { background: var(--dark); position: relative; overflow: hidden; }
.section-dark::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(to right, rgba(255,255,255,0.04) 1px, transparent 1px), linear-gradient(to bottom, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(90% 100% at 100% 0%, #000, transparent 75%);
  -webkit-mask-image: radial-gradient(90% 100% at 100% 0%, #000, transparent 75%);
}
.lang-layout { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.lang-metrics { display: flex; gap: 36px; margin-top: 30px; }
.lang-metrics div { display: flex; flex-direction: column; }
.lang-metrics strong { font-family: var(--f-display); font-size: 30px; font-weight: 800; color: var(--turq); }
.lang-metrics span { font-size: 13.5px; color: rgba(255,255,255,0.6); }

.lang-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; }
.lang-grid span { position: relative; overflow: hidden; display: flex; align-items: center; justify-content: center; aspect-ratio: 1; font-family: var(--f-mono); font-size: 15px; color: rgba(255,255,255,0.85); border: 1px solid rgba(255,255,255,0.1); border-radius: 12px; background: rgba(255,255,255,0.02); transition: transform .25s var(--ease), background .25s, border-color .25s; }
.lang-grid span:hover { background: rgba(255,255,255,0.08); border-color: var(--coral); transform: translateY(-3px); }
.lang-grid span .lg-code, .lang-grid span .lg-flag { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; transition: opacity .3s var(--ease), transform .35s var(--ease); }
.lang-grid span .lg-flag { font-size: 26px; line-height: 1; opacity: 0; transform: scale(.55); }
.lang-grid span:hover .lg-code { opacity: 0; transform: scale(.55); }
.lang-grid span:hover .lg-flag { opacity: 1; transform: scale(1); }

/* =========================================================
   Quotes / case
   ========================================================= */
.quotes { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.quote { margin: 0; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; }
.quote blockquote { margin: 0 0 22px; font-family: var(--f-display); font-size: 19px; font-weight: 500; line-height: 1.4; color: var(--ink); }
.quote figcaption { display: flex; align-items: center; gap: 13px; }
.q-avatar { width: 44px; height: 44px; border-radius: 12px; background: var(--dark); color: #fff; display: flex; align-items: center; justify-content: center; font-family: var(--f-mono); font-size: 13px; letter-spacing: 0.05em; }
.q-meta { display: flex; flex-direction: column; }
.q-meta strong { font-size: 15px; color: var(--ink); font-family: var(--f-display); }
.q-meta span { font-size: 13.5px; color: var(--ink-50); }

.case { grid-column: span 2; display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 14px 40px; background: var(--dark); border-radius: var(--radius); padding: 34px 38px; color: #fff; }
.case-tag { grid-column: 1; font-size: 11px; color: var(--turq); letter-spacing: 0.1em; }
.case-num { grid-row: 2; font-family: var(--f-display); font-size: clamp(2.4rem, 5vw, 3.4rem); font-weight: 800; color: #fff; line-height: 1; }
.case-desc { grid-column: 2; grid-row: 1 / span 2; font-size: 16px; color: rgba(255,255,255,0.78); max-width: 46ch; }

/* =========================================================
   Offer / form
   ========================================================= */
.offer { background: var(--dark); color: #fff; padding: 92px 0; position: relative; overflow: hidden; }
.offer::before { content: ""; position: absolute; inset: 0; background: radial-gradient(70% 80% at 12% 15%, rgba(241,87,60,0.22), transparent 58%), radial-gradient(60% 70% at 100% 100%, rgba(18,184,166,0.14), transparent 55%); }
.offer-grid { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.on-dark-kicker { color: var(--turq); }
.offer-copy h2 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; color: #fff; line-height: 1.05; margin-bottom: 18px; }
.offer-copy p { font-size: 17.5px; color: rgba(255,255,255,0.76); max-width: 46ch; }
.offer-points { margin-top: 28px; display: flex; flex-direction: column; gap: 14px; }
.offer-points li { display: flex; align-items: center; gap: 14px; font-size: 16px; color: rgba(255,255,255,0.9); }
.offer-points .mono { flex-shrink: 0; width: 48px; text-align: center; font-size: 12px; color: var(--turq); border: 1px solid rgba(18,184,166,0.35); padding: 6px 0; border-radius: 8px; }

.offer-form { background: var(--bg); border-radius: 20px; padding: 30px; box-shadow: 0 40px 80px -40px rgba(0,0,0,0.5); }
.field { display: flex; flex-direction: column; gap: 7px; margin-bottom: 16px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field label { font-family: var(--f-display); font-size: 13.5px; font-weight: 600; color: var(--ink); }
.field input, .field select, .field textarea { font-family: var(--f-body); font-size: 15.5px; color: var(--ink); padding: 12px 14px; border: 1px solid var(--line); border-radius: 11px; background: #fff; transition: border-color .2s, box-shadow .2s; width: 100%; }
.field textarea { resize: vertical; min-height: 78px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--coral); box-shadow: 0 0 0 3px rgba(241,87,60,0.14); }
.field input.invalid, .field select.invalid { border-color: var(--coral); box-shadow: 0 0 0 3px rgba(241,87,60,0.16); }
.field-help { font-size: 12.5px; color: var(--ink-50); }
.error { font-size: 12.5px; color: var(--coral-ink); }
.error:empty { display: none; }
.form-note { margin-top: 14px; font-size: 11px; color: var(--ink-50); text-align: center; }

.form-success { margin-top: 20px; display: flex; align-items: center; gap: 14px; padding: 18px; background: rgba(18,184,166,0.1); border: 1px solid rgba(18,184,166,0.35); border-radius: 12px; }
.form-success p { font-size: 14.5px; color: var(--ink); }
.success-mark { flex-shrink: 0; width: 30px; height: 30px; border-radius: 50%; background: var(--turq); position: relative; }
.success-mark::after { content: ""; position: absolute; left: 10px; top: 6px; width: 7px; height: 13px; border: solid #fff; border-width: 0 2.5px 2.5px 0; transform: rotate(45deg); }

/* =========================================================
   Footer
   ========================================================= */
.site-footer { background: var(--paper); border-top: 1px solid var(--line); padding: 64px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 44px; border-bottom: 1px solid var(--line); }
.footer-brand p { margin-top: 16px; font-size: 15px; color: var(--ink-50); max-width: 30ch; }
.footer-col h4 { font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-50); margin-bottom: 16px; }
.footer-col a { display: block; font-size: 14.5px; color: var(--ink-70); padding: 5px 0; transition: color .2s; }
.footer-col a:hover { color: var(--coral-text); }
.foot-cert { display: block; margin-top: 10px; font-size: 12px; color: var(--ink-50); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 24px; font-size: 13.5px; color: var(--ink-50); }
.footer-legal { display: flex; gap: 22px; }
.footer-legal a:hover { color: var(--coral-text); }

/* =========================================================
   Reveal
   ========================================================= */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .pulse, .engine-lines path.active-wire, .wire-cursor { animation: none !important; }
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .hero-visual { max-width: 460px; }
  .tab-panel { grid-template-columns: 1fr; gap: 32px; }
  .order-ways { grid-template-columns: 1fr; gap: 0; max-width: 440px; margin: 0 auto; }
  .order-way { padding: 34px 8px; }
  .order-way:not(:last-child) { border-right: 0; border-bottom: 1px solid var(--line); }
  .order-way > p { min-height: 0; }
  .lang-layout { grid-template-columns: 1fr; gap: 40px; }
  .offer-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 1000px) {
  .nav, .header-cta { display: none; }
  .nav-toggle { display: flex; }
}
@media (max-width: 820px) {
  .services { grid-template-columns: 1fr 1fr; }
  .service-lead { grid-column: span 2; grid-row: auto; }
  .service-card { grid-column: span 1; }
  .service-wide { grid-column: span 2; }
  .pricing { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; }
  .quotes { grid-template-columns: 1fr; }
  .case { grid-column: span 1; grid-template-columns: 1fr; gap: 10px; padding: 28px; }
  .case-desc { grid-column: 1; grid-row: auto; }
  .tab-btn { flex: 0 0 auto; }
}
@media (max-width: 620px) {
  body { font-size: 16px; }
  .section { padding: 68px 0; }
  .hero { padding: 44px 0 60px; }
  .hero-metrics { gap: 22px; flex-wrap: wrap; }
  .services { grid-template-columns: 1fr; }
  .service-card, .service-lead, .service-wide { grid-column: span 1; }
  .logo-grid { grid-template-columns: repeat(2, 1fr); }
  .logo-cell:nth-child(3n) { border-right: 1px solid var(--line); }
  .logo-cell:nth-child(2n) { border-right: 0; }
  .logo-cell:nth-child(n+4) { border-bottom: 1px solid var(--line); }
  .logo-cell:nth-last-child(-n+2) { border-bottom: 0; }
  .tab-panel { padding: 24px; }
  .process { grid-template-columns: 1fr; }
  .lang-grid { grid-template-columns: repeat(4, 1fr); }
  .field-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}