/* ─────────────────────────────────────────────────────────────
   VIROS TECH — Pravah Design System
   Palette: Parchment canvas · Aubergine Black inversion
   Type: Epilogue (display) · Jost (body/UI)
   ───────────────────────────────────────────────────────────── */

/* ── Self-hosted fonts (exact variable-font files served by Google Fonts) ── */
/* vietnamese */
@font-face {
  font-family: 'Epilogue';
  font-style: italic;
  font-weight: 300 700;
  font-display: swap;
  src: url('../fonts/epilogue-italic-viet.woff2') format('woff2');
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}
/* latin-ext */
@font-face {
  font-family: 'Epilogue';
  font-style: italic;
  font-weight: 300 700;
  font-display: swap;
  src: url('../fonts/epilogue-italic-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Epilogue';
  font-style: italic;
  font-weight: 300 700;
  font-display: swap;
  src: url('../fonts/epilogue-italic-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* vietnamese */
@font-face {
  font-family: 'Epilogue';
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url('../fonts/epilogue-normal-viet.woff2') format('woff2');
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}
/* latin-ext */
@font-face {
  font-family: 'Epilogue';
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url('../fonts/epilogue-normal-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Epilogue';
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url('../fonts/epilogue-normal-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* cyrillic */
@font-face {
  font-family: 'Jost';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/jost-italic-cyrillic.woff2') format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
/* latin-ext */
@font-face {
  font-family: 'Jost';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/jost-italic-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Jost';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/jost-italic-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* cyrillic */
@font-face {
  font-family: 'Jost';
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url('../fonts/jost-normal-cyrillic.woff2') format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
/* latin-ext */
@font-face {
  font-family: 'Jost';
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url('../fonts/jost-normal-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Jost';
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url('../fonts/jost-normal-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ── Tokens ── */
:root {
  /* Colors — all neutrals carry a warm aubergine tint */
  --color-parchment:      #f3f1ed;
  --color-pure-white:     #faf8f8;
  --color-ink-black:      #181011;
  --color-charcoal:       #1f1b1c;
  --color-aubergine:      #302023;
  --color-ash:            #7a7576;
  --color-dim:            #625d5e;
  --color-bone:           #d8d4d4;
  --color-logo-bg:        rgba(48, 32, 35, 0.88);
  --color-ink-border:     rgba(255,255,255,0.08);
  --color-aubergine-border: #2a2426;
  --color-aubergine-faint:  #3a3036;

  /* Type scale */
  --text-caption:         13px;
  --text-body-sm:         14px;
  --text-body-md:         15px;
  --text-body-lg:         17px;
  --text-subheading:      20px;
  --text-heading-sm:      28px;
  --text-heading:         32px;
  --text-heading-lg:      40px;
  --text-display:         48px;

  /* Radius */
  --r-card:               4px;
  --r-badge:              4px;
  --r-input:              4px;
  --r-btn:                100px;

  /* Layout */
  --max-w:                1200px;
  --nav-h:                64px;
  --pad-x:                64px;
  --sec-gap:              80px;
  --card-pad:             24px;

  /* Motion */
  --ease-out:             cubic-bezier(0.16, 1, 0.3, 1);
  --ease-std:             cubic-bezier(0.4, 0, 0.2, 1);
  --t:                    0.5s var(--ease-out);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  font-family: 'Jost', ui-sans-serif, system-ui, sans-serif;
  background: var(--color-parchment);
  color: var(--color-ink-black);
  -webkit-font-smoothing: subpixel-antialiased;
  overflow-x: hidden;
  font-weight: 400;
}

:focus-visible {
  outline: 2px solid var(--color-ink-black);
  outline-offset: 3px;
  border-radius: 2px;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.skip-link {
  position: fixed;
  top: 0;
  left: 16px;
  padding: 8px 16px;
  background: var(--color-ink-black);
  color: var(--color-pure-white);
  font-size: var(--text-body-sm);
  font-weight: 600;
  border-radius: 0 0 4px 4px;
  z-index: 9999;
  transform: translateY(-100%);
  transition: transform 0.1s;
}
.skip-link:focus {
  transform: translateY(0);
}

::selection { background: var(--color-ink-black); color: var(--color-parchment); }

::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-track { background: var(--color-parchment); }
::-webkit-scrollbar-thumb { background: var(--color-bone); border-radius: 2px; }

em { font-style: italic; }

/* ══════════════════════════════════════════
   NAVIGATION
   ══════════════════════════════════════════ */

.site-header {
  position: fixed;
  top: 16px; left: 0; right: 0;
  z-index: 100;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 var(--pad-x);
  background: transparent;
  border-bottom: none;
}

/* Left pill: nav links */
.nav-left {
  justify-self: start;
  border: 1px solid var(--color-bone);
  border-radius: var(--r-btn);
  background: var(--color-parchment);
}

/* Centre logo pill — border comes from SVG overlay */
.site-logo {
  justify-self: center;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 400;
  letter-spacing: -0.016em;
  color: var(--color-parchment);
  padding: 9px 18px;
  border-radius: var(--r-btn);
  background: var(--color-logo-bg);
  white-space: nowrap;
  transition: gap 0.4s var(--ease-out);
}

/* SVG border drawn on scroll via stroke-dashoffset */
.logo-border {
  position: absolute;
  top: -1px;
  /* left/width/height set by JS to stay centered on the fixed-size pill outline */
  pointer-events: none;
  overflow: visible;
}
.logo-border path {
  fill: none;
  stroke: var(--color-parchment);
  stroke-width: 2;
}

/* Logo text collapses on scroll */
.logo-text-clip {
  display: inline-block;
  overflow: hidden;
  min-width: 0;
  max-width: 120px;
  transition: max-width 0.4s var(--ease-out);
}

.logo-text {
  display: inline-block;
  white-space: nowrap;
  transform-origin: left center;
  transition: transform 0.4s var(--ease-out), opacity 0.25s var(--ease-out);
}

.site-logo.logo-collapsed {
  gap: 0;
}
.site-logo.logo-collapsed .logo-text-clip {
  max-width: 0;
  overflow: hidden;
}
.site-logo.logo-collapsed .logo-text {
  transform: scaleX(0);
  opacity: 0;
}

/* Logo mark: small diamond (rhombus) */
.logo-mark {
  width: 9px;
  height: 9px;
  background: var(--color-parchment);
  transform: rotate(45deg);
  flex-shrink: 0;
}

.site-nav {
  display: flex;
  gap: 0;
  list-style: none;
  padding: 4px;
}

.nav-link {
  display: block;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: -0.016em;
  color: var(--color-ink-black);
  padding: 7px 16px;
  border-radius: var(--r-btn);
  transition: background 0.2s var(--ease-std);
  white-space: nowrap;
}
.nav-link:hover { background: var(--color-bone); }
.nav-link.active { background: var(--color-aubergine); color: var(--color-parchment); }

.nav-link-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 9px 10px;
}

.nav-right {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--color-bone);
  border-radius: var(--r-btn);
  background: var(--color-parchment);
  padding: 4px;
}

/* Mobile bottom bar — hidden on desktop */
.mobile-nav-bar { display: none; }

/* Mobile menu overlay — hidden by default */
.mobile-menu {
  display: none;
}

.lang-toggle {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 7px 16px;
  border-radius: var(--r-btn);
  font-family: 'Jost', sans-serif;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: -0.016em;
  color: var(--color-ink-black);
  transition: background 0.2s var(--ease-std), color 0.2s var(--ease-std);
}
.lang-toggle:hover {
  background: var(--color-bone);
  color: var(--color-ink-black);
}

/* Nav CTA pill container */
.nav-cta {
  display: inline-flex;
  align-items: center;
  height: 44px;
  padding: 0 20px;
  border-radius: var(--r-btn);
  background: var(--color-parchment);
  color: var(--color-aubergine);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: -0.016em;
  white-space: nowrap;
  border: 1px solid var(--color-bone);
  transition: background 0.2s var(--ease-std), color 0.2s var(--ease-std), border-color 0.2s var(--ease-std);
}
.nav-cta:hover {
  background: var(--color-aubergine);
  color: var(--color-parchment);
  border-color: var(--color-aubergine);
}

/* ══════════════════════════════════════════
   BUTTONS
   ══════════════════════════════════════════ */

/* Primary: Ink Black fill, parchment text */
.btn-primary {
  display: inline-flex;
  align-items: center;
  height: 44px;
  padding: 0 24px;
  border-radius: var(--r-btn);
  background: var(--color-aubergine);
  color: var(--color-parchment);
  font-family: 'Jost', sans-serif;
  font-size: 15px;
  font-weight: 400;
  letter-spacing: -0.016em;
  white-space: nowrap;
  border: 1px solid var(--color-aubergine);
  transition: background 0.2s var(--ease-std), color 0.2s var(--ease-std), border-color 0.2s var(--ease-std), transform 0.15s var(--ease-out);
}
.btn-primary:hover  { background: transparent; color: var(--color-aubergine); border-color: var(--color-aubergine); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0) scale(0.98); }

/* Ghost: outlined, transparent fill */
.btn-ghost-dark {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 24px;
  border-radius: var(--r-btn);
  background: transparent;
  color: var(--color-aubergine);
  font-family: 'Jost', sans-serif;
  font-size: 15px;
  font-weight: 400;
  letter-spacing: -0.016em;
  white-space: nowrap;
  border: 1px solid var(--color-aubergine);
  transition: background 0.2s var(--ease-std), color 0.2s var(--ease-std);
}
.btn-ghost-dark:hover {
  background: var(--color-aubergine);
  color: var(--color-parchment);
}

/* ══════════════════════════════════════════
   HERO
   ══════════════════════════════════════════ */

.hero {
  min-height: 100dvh;
  background: var(--color-parchment);
  display: grid;
  grid-template-columns: 45fr 55fr;
  grid-template-rows: 1fr auto;
  padding-top: var(--nav-h);
  position: relative;
  overflow: hidden;
}

.hero-content {
  grid-column: 1;
  grid-row: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 56px var(--pad-x);
}

/* Intro line — large Ash text, no badge */
.hero-label {
  font-size: clamp(11px, 1.1vw, 18px);
  line-height: 1.4;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ash);
  font-weight: 400;
  margin-bottom: 12px;
}

.hero-h1 {
  font-family: 'Epilogue', sans-serif;
  font-size: clamp(48px, 7vw, 88px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--color-ink-black);
  font-weight: 300;
  margin-bottom: 24px;
  padding-bottom: 2px;
}

.hero-body {
  font-size: var(--text-body-lg);
  line-height: 1.6;
  letter-spacing: -0.01em;
  color: var(--color-charcoal);
  max-width: 420px;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

@keyframes heroSecondaryIn {
  from { opacity: 0; transform: translateX(-6px); }
  to   { opacity: 1; transform: translateX(0); }
}
.hero-actions .btn-ghost-dark {
  opacity: 0;
  animation: heroSecondaryIn 0.35s var(--ease-out) 0.15s forwards;
}
@media (prefers-reduced-motion: reduce) {
  .hero-actions .btn-ghost-dark { opacity: 1; animation: none; }
}

.contact-email-hint {
  font-family: 'Jost', sans-serif;
  font-size: 13px;
  font-weight: 300;
  color: var(--color-ash);
  margin-top: 10px;
}
.contact-email-hint a {
  color: var(--color-dim);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.contact-email-hint a:hover { color: var(--color-ink-black); }

/* Wireframe illustration panel */
.hero-ascii {
  grid-column: 2;
  grid-row: 1;
  position: relative;
  background: var(--color-parchment);
  border-left: none;
  overflow: visible;
  display: flex;
  align-items: center;
  justify-content: center;
}

#asciiCanvas {
  position: absolute;
  top: 0;
  left: -12%;
  width: 112%;
  height: 100%;
  pointer-events: none;
}

.hero-ascii-fallback {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 40px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}
.hero-ascii-fallback.visible {
  opacity: 1;
  pointer-events: auto;
}
.fallback-stack {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.fallback-label {
  font-family: 'Jost', sans-serif;
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ash);
}
.fallback-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.fallback-list li {
  font-family: 'Epilogue', sans-serif;
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--color-ink);
  line-height: 1.4;
}

.hero-wireframe {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
}


/* Metrics strip */
.hero-metrics {
  grid-column: 1 / -1;
  grid-row: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--color-bone);
  background: var(--color-pure-white);
}

.metric {
  padding: 24px 0 24px var(--pad-x);
  display: flex;
  flex-direction: column;
  gap: 6px;
  border-right: 1px solid var(--color-bone);
}
.metric:last-child { border-right: none; }

.metric-num {
  font-size: 32px;
  line-height: 1;
  color: var(--color-ink-black);
  letter-spacing: -0.02em;
  font-weight: 400;
}
.metric-num sup {
  font-size: 0.52em;
  vertical-align: super;
}

.metric-label {
  font-size: var(--text-caption);
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--color-ash);
}


/* ══════════════════════════════════════════
   PROBLEM BAND — Aubergine Black inversion
   ══════════════════════════════════════════ */

.problem-band {
  background: var(--color-aubergine);
  padding: var(--sec-gap) 0;
}

.problem-band-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  display: flex;
  flex-direction: column;
  gap: 48px;
}

/* Section label badge — white on dark */
.problem-band-label {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--r-badge);
  background: var(--color-pure-white);
  font-size: var(--text-caption);
  font-weight: 400;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--color-ink-black);
  width: fit-content;
  margin-bottom: 16px;
}

.problem-band-header {
  max-width: 600px;
}

.problem-h2 {
  font-family: 'Epilogue', sans-serif;
  font-size: clamp(28px, 3vw, var(--text-heading-lg));
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-pure-white);
  font-weight: 300;
}

/* Static 2-col grid — used by Services (light) */
.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

/* Dividers between items */
.problem-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 28px 0;
  border-bottom: 1px solid var(--color-bone);
  transition: none;
}
.problem-item:nth-child(odd) {
  padding-right: 40px;
  border-right: 1px solid var(--color-bone);
}
.problem-item:nth-child(even) {
  padding-left: 40px;
}
/* Remove bottom border from last two items */
.problem-item:nth-last-child(-n+2) {
  border-bottom: none;
}

.problem-item-text {
  flex: 1;
}

.problem-item h3 {
  font-size: var(--text-body-lg);
  font-weight: 700;
  letter-spacing: -0.016em;
  color: var(--color-ink-black);
  line-height: 1.25;
  margin-bottom: 16px;
}

/* ══════════════════════════════════════════
   STATEMENT (parchment)
   ══════════════════════════════════════════ */


/* ══════════════════════════════════════════
   SHARED SECTION STRUCTURE
   ══════════════════════════════════════════ */

.section-header {
  max-width: var(--max-w);
  margin: 0 auto 40px;
}

.section-h2 {
  font-family: 'Epilogue', sans-serif;
  font-size: clamp(26px, 3vw, var(--text-heading-lg));
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-ink-black);
  font-weight: 300;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.reveal.visible     { opacity: 1; transform: translateY(0); }
.reveal-d1          { transition-delay: 0.08s; }
.reveal-d2          { transition-delay: 0.16s; }
.reveal-d3          { transition-delay: 0.24s; }

/* ══════════════════════════════════════════
   TRACK RECORD
   ══════════════════════════════════════════ */

.track-section {
  background: var(--color-parchment);
  padding: var(--sec-gap) var(--pad-x);
  border-bottom: 1px solid var(--color-bone);
}

.track-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.track-inline-cta {
  max-width: var(--max-w);
  margin: 32px auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--color-bone);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.track-inline-cta-text {
  font-size: 14px;
  color: var(--color-ash);
  letter-spacing: -0.01em;
}

.track-inline-cta-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-ink);
  letter-spacing: -0.01em;
  text-decoration: none;
  white-space: nowrap;
  transition: opacity 0.18s;
}

.track-inline-cta-link:hover { opacity: 0.6; }

.track-inline-cta-link svg {
  transition: transform 0.18s var(--ease-out);
}

.track-inline-cta-link:hover svg {
  transform: translateX(3px);
}

.track-card {
  background: var(--color-pure-white);
  border-radius: var(--r-card);
  border: 1px solid var(--color-bone);
  overflow: hidden;
  transition: transform 0.3s var(--ease-out);
}
.track-card:hover { transform: translateY(-2px); }

.track-card-svg {
  width: 100%;
  aspect-ratio: 2 / 1;
  display: block;
  border-bottom: 1px solid var(--color-bone);
  overflow: hidden;
  line-height: 0;
}
.track-card-svg svg {
  width: 100%;
  height: 100%;
  display: block;
}

.track-card-body {
  padding: var(--card-pad);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.track-card-num {
  font-size: var(--text-caption);
  letter-spacing: 0.08em;
  color: var(--color-dim);
}

.track-card-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.track-card-type {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 8px;
  border-radius: var(--r-badge);
  background: var(--color-ink-black);
  border: 1px solid var(--color-ink-black);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-pure-white);
  text-transform: uppercase;
  width: fit-content;
}

.track-card-vertical {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 8px;
  border-radius: var(--r-badge);
  background: transparent;
  border: 1px solid var(--color-bone);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--color-dim);
  text-transform: uppercase;
  width: fit-content;
}

.track-card-title {
  font-size: var(--text-body-lg);
  font-weight: 700;
  letter-spacing: -0.016em;
  color: var(--color-ink-black);
  line-height: 1.3;
}

.track-card-scope {
  font-size: var(--text-body-sm);
  line-height: 1.55;
  letter-spacing: -0.01em;
  color: var(--color-ash);
}

.track-card-outcome {
  font-size: var(--text-body-sm);
  line-height: 1.65;
  letter-spacing: -0.01em;
  color: var(--color-charcoal);
  padding-top: 10px;
  margin-top: 4px;
  border-top: 1px solid var(--color-bone);
}

/* ══════════════════════════════════════════
   WHO WE WORK WITH
   ══════════════════════════════════════════ */

.who-section {
  background: var(--color-parchment);
  padding: var(--sec-gap) var(--pad-x);
  border-bottom: 1px solid var(--color-bone);
}

.who-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.who-card {
  background: radial-gradient(
    circle at var(--mx, 50%) var(--my, 50%),
    rgba(48, 32, 35, 0.045) 0%,
    transparent 65%
  ), var(--color-pure-white);
  border-radius: var(--r-card);
  border: 1px solid var(--color-bone);
  padding: var(--card-pad);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform 0.25s var(--ease-out), background 0.1s;
}
.who-card:hover { transform: translateY(-2px); }
.who-card.span-2 { grid-column: span 2; }

.who-card-num {
  font-size: var(--text-caption);
  letter-spacing: 0.08em;
  color: var(--color-dim);
}

.who-card-title {
  font-size: var(--text-body-lg);
  font-weight: 700;
  letter-spacing: -0.016em;
  color: var(--color-ink-black);
  line-height: 1.3;
}

.who-card-desc {
  font-size: var(--text-body-sm);
  line-height: 1.65;
  letter-spacing: -0.01em;
  color: var(--color-charcoal);
}

/* ══════════════════════════════════════════
   SERVICES
   ══════════════════════════════════════════ */

.services-section {
  background: var(--color-parchment);
  padding: var(--sec-gap) var(--pad-x);
  border-bottom: 1px solid var(--color-bone);
}

.services-note {
  font-size: var(--text-body-sm);
  line-height: 1.65;
  letter-spacing: -0.01em;
  color: var(--color-ash);
  max-width: 540px;
  margin-top: 12px;
}

/* Expandable accordion — used by Problem band (dark) */
.service-list {
  list-style: none;
  max-width: var(--max-w);
  margin: 0 auto;
  border-top: 1px solid var(--color-ink-border);
}

.service-item {
  border-bottom: 1px solid var(--color-ink-border);
}

.service-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
}

.service-i {
  font-size: var(--text-caption);
  letter-spacing: 0.08em;
  color: var(--color-ash);
  min-width: 24px;
}

.service-name {
  flex: 1;
  font-size: var(--text-body-lg);
  font-weight: 400;
  letter-spacing: -0.016em;
  color: var(--color-pure-white);
  transition: color 0.2s var(--ease-std);
}
.service-toggle:hover .service-name { color: var(--color-bone); }

.service-chevron {
  font-size: 18px;
  color: var(--color-ash);
  font-weight: 400;
  line-height: 1;
  transition: transform 0.3s var(--ease-out), color 0.2s var(--ease-std);
}
.service-item.open .service-chevron {
  transform: rotate(45deg);
  color: var(--color-pure-white);
}

.service-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.4s var(--ease-out);
}
.service-body > .service-body-inner {
  overflow: hidden;
}
.service-item.open .service-body {
  grid-template-rows: 1fr;
}

.service-body-inner { padding: 0 0 28px 40px; }

.problem-desc {
  font-size: var(--text-body-sm);
  line-height: 1.65;
  letter-spacing: -0.01em;
  color: var(--color-bone);
}

.service-outcome-label,
.service-format-label {
  font-size: var(--text-caption);
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--color-ash);
  display: block;
  margin-bottom: 8px;
}

.service-outcome-text,
.service-format-text {
  font-size: var(--text-body-sm);
  line-height: 1.65;
  letter-spacing: -0.01em;
  color: var(--color-charcoal);
}


/* ══════════════════════════════════════════
   ENGAGEMENT MODELS
   ══════════════════════════════════════════ */

.models-section {
  background: var(--color-parchment);
  padding: var(--sec-gap) var(--pad-x);
  border-bottom: 1px solid var(--color-bone);
}

.models-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.model-card {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.model-img {
  width: 100%;
  aspect-ratio: 3 / 2;
  border-radius: var(--r-card) var(--r-card) 0 0;
  overflow: hidden;
  border: 1px solid var(--color-bone);
  border-bottom: none;
}

.model-img svg {
  width: 100%;
  height: 100%;
  display: block;
}

.model-body {
  background: var(--color-pure-white);
  border: 1px solid var(--color-bone);
  border-radius: 0 0 var(--r-card) var(--r-card);
  padding: 20px 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.model-title {
  font-family: 'Epilogue', sans-serif;
  font-size: var(--text-subheading);
  font-weight: 300;
  letter-spacing: -0.016em;
  color: var(--color-ink-black);
  line-height: 1.25;
}

.model-duration {
  font-size: var(--text-caption);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ash);
  margin-bottom: 4px;
}

.model-desc {
  font-size: var(--text-body-sm);
  line-height: 1.65;
  letter-spacing: -0.01em;
  color: var(--color-dim);
}

/* ══════════════════════════════════════════
   WHY VIROS (dark)
   ══════════════════════════════════════════ */

.why-section {
  background: var(--color-aubergine);
  padding: var(--sec-gap) var(--pad-x);
  border-bottom: 1px solid var(--color-aubergine-border);
}

/* ThinkUnits — distinct darker band so the methodology stands apart */
#thinkunits {
  background: var(--color-ink-black);
  border-top: 1px solid var(--color-aubergine-faint);
  border-bottom: 1px solid var(--color-aubergine-faint);
}
#thinkunits .why-left { gap: 16px; }
#thinkunits .service-outcome-label {
  color: var(--color-ash);
  letter-spacing: 0.12em;
}

.why-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
  max-width: var(--max-w);
  margin: 0 auto;
}

.why-left {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

/* Static grid block — diamond pattern */
.why-ascii-block {
  font-family: 'Courier New', Courier, monospace;
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: 0.08em;
  color: var(--color-aubergine-faint);
  white-space: pre;
  user-select: none;
}

.why-h2 {
  font-family: 'Epilogue', sans-serif;
  font-size: clamp(28px, 3.5vw, var(--text-heading-lg));
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-parchment);
  font-weight: 300;
}

.why-right {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding-top: 4px;
}

.why-p {
  font-size: var(--text-body-lg);
  line-height: 1.75;
  letter-spacing: -0.01em;
  color: var(--color-bone);
}

.why-cta-link {
  display: inline-block;
  margin-top: 8px;
  font-size: var(--text-body-lg);
  letter-spacing: -0.01em;
  color: var(--color-parchment);
  text-decoration: none;
  opacity: 0.7;
  transition: opacity 0.18s;
}
.why-cta-link:hover { opacity: 1; }

/* ══════════════════════════════════════════
   CTA
   ══════════════════════════════════════════ */

.cta-section {
  background: var(--color-pure-white);
  padding: var(--sec-gap) var(--pad-x);
  border-top: 1px solid var(--color-bone);
}

.cta-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  max-width: var(--max-w);
  margin: 0 auto;
}

.cta-h2 {
  font-family: 'Epilogue', sans-serif;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-ink-black);
  font-weight: 300;
}

.cta-right {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.cta-body {
  font-size: var(--text-body-lg);
  line-height: 1.75;
  letter-spacing: -0.01em;
  color: var(--color-charcoal);
}

.cta-email-wrap {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.cta-email {
  font-family: 'Epilogue', sans-serif;
  font-size: clamp(26px, 3.4vw, 40px);
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--color-ink-black);
  text-decoration: underline;
  text-decoration-color: var(--color-bone);
  text-underline-offset: 5px;
  transition: text-decoration-color 0.2s var(--ease-std);
}
.cta-email:hover { text-decoration-color: var(--color-ink-black); }

.cta-copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: none;
  border: none;
  padding: 4px 6px;
  cursor: pointer;
  color: var(--color-charcoal);
  opacity: 0.55;
  transition: opacity 0.2s var(--ease-std);
  line-height: 0;
}
.cta-copy-btn:hover { opacity: 1; }

/* Toast notification */
#vt-toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--color-ink-black);
  color: var(--color-pure-white);
  font-family: 'Jost', sans-serif;
  font-size: var(--text-body-sm);
  letter-spacing: -0.01em;
  padding: 10px 20px;
  border-radius: 100px;
  opacity: 0;
  transition: opacity 0.2s var(--ease-std), transform 0.2s var(--ease-std);
  pointer-events: none;
  z-index: 9999;
  white-space: nowrap;
}
#vt-toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ══════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════ */

.site-footer {
  background: var(--color-parchment);
  padding: 24px var(--pad-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--color-bone);
}

.footer-copy {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--color-ash);
}

.footer-nav {
  display: flex;
  gap: 2px;
  list-style: none;
}

.footer-link {
  font-size: var(--text-body-sm);
  letter-spacing: -0.01em;
  color: var(--color-ash);
  padding: 11px 12px;
  border-radius: var(--r-btn);
  transition: color 0.2s var(--ease-std);
}
.footer-link:hover { color: var(--color-ink-black); }

/* ══════════════════════════════════════════
   LEGAL PAGES
   ══════════════════════════════════════════ */

.legal-wrap {
  min-height: calc(100vh - var(--nav-h) - 73px);
  padding: 64px var(--pad-x) 80px;
}

.legal-back {
  margin-bottom: 48px;
}

.legal-back a {
  font-size: var(--text-body-sm);
  letter-spacing: 0.02em;
  color: var(--color-ash);
  transition: color 0.2s var(--ease-std);
}

.legal-back a:hover {
  color: var(--color-ink-black);
}

.legal-meta {
  border-bottom: 1px solid var(--color-bone);
  padding-bottom: 32px;
  margin-top: 48px;
  margin-bottom: 48px;
}

.legal-meta h1 {
  font-family: 'Epilogue', sans-serif;
  font-size: var(--text-heading);
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--color-ink-black);
  margin: 0 0 8px;
}

.last-updated {
  font-size: var(--text-body-sm);
  color: var(--color-ash);
  margin: 0;
}

.legal-sections {
  display: flex;
  flex-direction: column;
  gap: 40px;
  max-width: 680px;
}

.legal-section h2 {
  font-family: 'Jost', sans-serif;
  font-size: var(--text-body-lg);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--color-ink-black);
  margin: 0 0 12px;
}

.legal-section p,
.legal-section li {
  font-size: var(--text-body-md);
  line-height: 1.7;
  color: var(--color-dim);
}

.legal-section ul {
  padding-left: 20px;
  margin: 8px 0 0;
}

.legal-section li {
  margin-bottom: 6px;
}

.email-link {
  color: var(--color-ink-black);
  border-bottom: 1px solid var(--color-bone);
  transition: border-color 0.2s var(--ease-std);
}

.email-link:hover {
  border-color: var(--color-ink-black);
}

/* ══════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════ */

@media (max-width: 1024px) {
  :root { --pad-x: 40px; }
}

@media (max-width: 768px) {
  :root {
    --pad-x:   20px;
    --sec-gap: 56px;
  }

  /* Mobile header: logo only, centred */
  .site-header {
    grid-template-columns: 1fr;
    justify-items: center;
    top: 12px;
    padding: 0 20px;
  }
  .nav-left, .nav-right { display: none; }
  .site-logo { justify-self: center; }

  /* Mobile bottom bar */
  .mobile-nav-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    padding: 10px 20px calc(16px + env(safe-area-inset-bottom, 0px));
    background: var(--color-parchment);
    border-top: 1px solid var(--color-bone);
    z-index: 100;
  }
  .mobile-nav-right {
    display: flex;
    align-items: center;
    gap: 8px;
  }

  /* Burger button */
  .burger-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    background: transparent;
    border: 1px solid var(--color-bone);
    border-radius: var(--r-btn);
    cursor: pointer;
    padding: 0 12px;
  }
  .burger-btn span {
    display: block;
    height: 1px;
    background: var(--color-ink-black);
    transition: transform 0.3s var(--ease-out), opacity 0.2s var(--ease-std);
  }
  .burger-btn[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }
  .burger-btn[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }
  .burger-btn[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  /* Mobile full-screen overlay */
  .mobile-menu {
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: fixed;
    inset: 0;
    background: var(--color-parchment);
    z-index: 99;
    padding: 60px 40px 100px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
    transition: opacity 0.3s var(--ease-out), transform 0.3s var(--ease-out);
  }
  .mobile-menu.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
  .mobile-nav-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
  }
  .mobile-nav-link {
    display: block;
    font-size: clamp(28px, 8vw, 48px);
    font-weight: 400;
    letter-spacing: -0.03em;
    color: var(--color-ink-black);
    padding: 12px 0;
    border-bottom: 1px solid var(--color-bone);
    transition: color 0.2s var(--ease-std);
  }
  .mobile-nav-link:hover { color: var(--color-ash); }

  /* Hero: stack vertically */
  .hero {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
  }
  .hero-content {
    grid-column: 1;
    grid-row: 1;
    padding: 40px 20px 32px;
  }
  .hero-ascii {
    grid-column: 1;
    grid-row: 2;
    height: 260px;
    border-left: none;
    border-top: 1px solid var(--color-bone);
  }
  .hero-metrics {
    grid-column: 1;
    grid-row: 3;
    grid-template-columns: repeat(2, 1fr);
  }
  .metric { padding: 20px 0 20px 20px; }
  .metric:nth-child(2) { border-right: none; }
  .metric:nth-child(3) { border-right: 1px solid var(--color-bone); }

  /* Services grid: 1 col */
  .problem-grid { grid-template-columns: 1fr; }
  .problem-item:nth-child(odd)  { padding-right: 0; border-right: none; }
  .problem-item:nth-child(even) { padding-left: 0; }
  .problem-item:nth-last-child(-n+2) { border-bottom: 1px solid var(--color-bone); }
  .problem-item:last-child { border-bottom: none; }

  /* Track, Who + Models: 1 col */
  .track-grid       { grid-template-columns: 1fr; }
  .who-grid         { grid-template-columns: 1fr; }
  .who-card.span-2  { grid-column: 1; }
  .models-grid      { grid-template-columns: 1fr; }

  /* Why + CTA: 1 col */
  .why-inner { grid-template-columns: 1fr; gap: 40px; }
  .cta-inner { grid-template-columns: 1fr; gap: 40px; }

  /* Footer */
  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    padding: 24px 20px;
  }

}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .marquee-track { animation: none; }
}