/* ─────────────────────────────────────────────────────────
   AXO REAL — Design System
   Pentagram-editorial × Engel & Völkers × Lemonade
   ───────────────────────────────────────────────────────── */

:root {
  /* Palette — Marine dominant, cool grays, sparse gold */
  --primary: #1B2A5B;       /* Marine Blue */
  --primary-700: #14204A;
  --primary-900: #0A1338;   /* Deepest marine — hero & full-bleeds */
  --primary-300: #4A5A8C;
  --primary-50:  #ECF0F9;   /* pale marine wash */
  --accent: #5B6478;        /* cool slate (replaces warm anthracite) */
  --accent-200: #B6BCCA;
  --surface: #FFFFFF;       /* clean modern white */
  --surface-2: #F2F5FA;     /* cool pale gray-blue */
  --surface-3: #E6ECF5;     /* slightly stronger pale blue */
  --paper: #FFFFFF;
  --ink: #0B1338;
  --ink-soft: #2A3454;
  --muted: #5B6478;
  --hairline: #DDE3EE;      /* cool hairline */
  --hairline-soft: #ECF0F7;
  --gold: #B8965B;
  --gold-soft: #D4B883;

  /* Typography */
  --font-serif: "Fraunces", "Cormorant Garamond", "Times New Roman", serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Scale */
  --container: 1280px;
  --gutter: clamp(16px, 4vw, 56px);

  /* Motion */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur: 220ms;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ───── Typography ───── */
.serif {
  font-family: var(--font-serif);
  font-feature-settings: "ss01", "ss02";
  font-variation-settings: "SOFT" 30, "WONK" 0;
  letter-spacing: -0.01em;
  font-weight: 400;
}

h1, h2, h3, h4, h5 { font-family: var(--font-serif); font-weight: 400; letter-spacing: -0.015em; line-height: 1.05; margin: 0; color: var(--ink); }
.display { font-size: clamp(48px, 8.5vw, 132px); line-height: 0.96; letter-spacing: -0.03em; }
h1, .h1 { font-size: clamp(40px, 6vw, 84px); line-height: 1.02; letter-spacing: -0.025em; }
h2, .h2 { font-size: clamp(32px, 4.2vw, 56px); line-height: 1.08; letter-spacing: -0.02em; }
h3, .h3 { font-size: clamp(24px, 2.4vw, 32px); line-height: 1.15; }
h4, .h4 { font-size: 20px; line-height: 1.25; }

p { margin: 0; }
.lede { font-size: clamp(18px, 1.4vw, 22px); line-height: 1.5; color: var(--ink-soft); max-width: 56ch; }
.body-l { font-size: 18px; line-height: 1.6; color: var(--ink-soft); }
.body { font-size: 16px; line-height: 1.6; color: var(--ink-soft); }
.small { font-size: 13px; line-height: 1.5; color: var(--muted); }

.eyebrow {
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--accent);
  display: inline-block;
}

.numeral {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 14px;
  color: var(--accent);
  letter-spacing: 0.05em;
}

/* ───── Layout ───── */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container-wide {
  width: 100%;
  max-width: 1480px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

section { padding-block: clamp(72px, 9vw, 144px); }
.section-tight { padding-block: clamp(48px, 6vw, 96px); }

.hairline { height: 1px; background: var(--hairline); border: 0; margin: 0; }
.hairline-soft { height: 1px; background: var(--hairline-soft); border: 0; margin: 0; }

/* ───── Header ───── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(160%) blur(16px);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
  border-bottom: 1px solid var(--hairline-soft);
}
.site-header.on-dark {
  background: rgba(10, 19, 56, 0.4);
  backdrop-filter: saturate(160%) blur(16px);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.site-header.on-dark .logo__word { color: var(--surface); }
.site-header.on-dark .logo__mark::before,
.site-header.on-dark .logo__mark::after { background: var(--surface); }
.site-header.on-dark .logo__sub { color: var(--accent-200); }
.site-header.on-dark .site-header__nav a { color: var(--surface); }
.site-header.on-dark .site-header__nav a:hover { background: rgba(255,255,255,0.08); }
.site-header.on-dark .site-header__nav a.is-active { color: var(--surface); }
.site-header.on-dark .site-header__nav a.is-active::after { background: var(--surface); }
.site-header.on-dark .btn--primary { background: var(--surface); color: var(--primary); }
.site-header.on-dark .btn--primary:hover { background: var(--primary-50); }
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 18px;
}
.site-header__logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.site-header__nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.site-header__nav a {
  font-size: 14px;
  color: var(--ink);
  text-decoration: none;
  padding: 10px 14px;
  border-radius: 999px;
  letter-spacing: 0.005em;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
  position: relative;
}
.site-header__nav a:hover { background: rgba(15,23,41,0.05); }
.site-header__nav a.is-active { color: var(--primary); }
.site-header__nav a.is-active::after {
  content: "";
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--primary);
}
.site-header__cta { display: flex; align-items: center; gap: 8px; }

@media (max-width: 900px) {
  .site-header__nav { display: none; }
}

/* ───── Logo ───── */
.logo {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
}
.logo__mark {
  width: 28px;
  height: 28px;
  position: relative;
  display: inline-block;
}
.logo__mark::before,
.logo__mark::after {
  content: "";
  position: absolute;
  inset: 0;
  width: 100%;
  height: 1.25px;
  background: var(--accent);
  top: 50%;
  transform-origin: center;
}
.logo__mark::before { transform: rotate(45deg); }
.logo__mark::after { transform: rotate(-45deg); }
.logo__word {
  font-family: var(--font-serif);
  font-size: 22px;
  letter-spacing: 0.04em;
  font-weight: 400;
  color: var(--primary);
  line-height: 1;
}
.logo__sub {
  font-family: var(--font-sans);
  font-size: 9px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 2px;
  display: block;
}

/* ───── Buttons ───── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: 999px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--dur) var(--ease);
  white-space: nowrap;
}
.btn--primary {
  background: var(--primary);
  color: var(--surface);
}
.btn--primary:hover { background: var(--primary-700); transform: translateY(-1px); }
.btn--gold {
  background: var(--ink);
  color: var(--surface);
  position: relative;
  overflow: hidden;
}
.btn--gold::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, var(--gold) 50%, transparent 100%);
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
}
.btn--gold:hover::before { opacity: 0.25; }
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--hairline);
}
.btn--ghost:hover { background: var(--ink); color: var(--surface); border-color: var(--ink); }
.btn--text {
  padding: 0;
  background: transparent;
  color: var(--ink);
  border: 0;
  border-radius: 0;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 4px;
}
.btn--text:hover { color: var(--primary); border-color: var(--primary); }
.btn--small { padding: 9px 16px; font-size: 13px; }
.btn .arrow { transition: transform var(--dur) var(--ease); }
.btn:hover .arrow { transform: translateX(3px); }

/* ───── Cards ───── */
.card {
  background: var(--paper);
  border: 1px solid var(--hairline-soft);
  padding: 32px;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.card:hover { border-color: var(--accent); }

.subsidiary-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--paper);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid transparent;
  padding: 36px 0;
  position: relative;
  transition: padding var(--dur) var(--ease);
}
.subsidiary-card__row {
  display: grid;
  grid-template-columns: 80px 1fr 220px 80px;
  align-items: center;
  gap: 32px;
}
.subsidiary-card__numeral { font-family: var(--font-serif); font-style: italic; color: var(--accent); font-size: 14px; }
.subsidiary-card__title { font-family: var(--font-serif); font-size: clamp(28px, 3.2vw, 44px); line-height: 1.05; letter-spacing: -0.02em; }
.subsidiary-card__role { font-size: 13px; color: var(--accent); letter-spacing: 0.04em; }
.subsidiary-card__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--hairline);
  transition: all var(--dur) var(--ease);
}
.subsidiary-card:hover .subsidiary-card__cta {
  background: var(--primary);
  color: var(--surface);
  border-color: var(--primary);
}
.subsidiary-card::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 0;
  height: 1px;
  background: var(--primary);
  transition: width 600ms var(--ease);
}
.subsidiary-card:hover::after { width: 100%; }
.subsidiary-card:hover { padding-left: 12px; }

@media (max-width: 760px) {
  .subsidiary-card__row { grid-template-columns: 40px 1fr 56px; }
  .subsidiary-card__role { display: none; }
}

/* ───── Image Slot styling ───── */
image-slot {
  background: var(--surface-2);
  border: 1px solid var(--hairline);
  --is-text-color: var(--accent);
}

/* ───── Footer ───── */
.site-footer {
  background: var(--ink);
  color: var(--accent-200);
  padding-top: 80px;
  padding-bottom: 32px;
}
.site-footer h4 {
  color: var(--surface);
  font-family: var(--font-serif);
  font-size: 20px;
  margin-bottom: 16px;
}
.site-footer__top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 56px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.site-footer__col a {
  display: block;
  color: var(--accent-200);
  text-decoration: none;
  padding: 6px 0;
  font-size: 14px;
  transition: color var(--dur) var(--ease);
}
.site-footer__col a:hover { color: var(--surface); }
.site-footer__bottom {
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.04em;
}
.site-footer .logo__word { color: var(--surface); }
.site-footer .logo__mark::before,
.site-footer .logo__mark::after { background: var(--gold); }
.site-footer .logo__sub { color: var(--accent); }

@media (max-width: 800px) {
  .site-footer__top { grid-template-columns: 1fr 1fr; gap: 32px; }
}

/* ───── X-Mark watermark ───── */
.xmark {
  position: absolute;
  pointer-events: none;
  opacity: 0.06;
  color: var(--primary);
}
.xmark svg { display: block; width: 100%; height: 100%; }

/* ───── Reveal animation ───── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 800ms var(--ease), transform 800ms var(--ease);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ───── Utility ───── */
.grid { display: grid; gap: 32px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.flex { display: flex; }
.between { justify-content: space-between; }
.center { align-items: center; }
.gap-8 { gap: 8px; } .gap-16 { gap: 16px; } .gap-24 { gap: 24px; } .gap-32 { gap: 32px; }
.mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; } .mt-32 { margin-top: 32px; } .mt-48 { margin-top: 48px; } .mt-64 { margin-top: 64px; }
.mb-8 { margin-bottom: 8px; } .mb-16 { margin-bottom: 16px; } .mb-24 { margin-bottom: 24px; } .mb-32 { margin-bottom: 32px; } .mb-48 { margin-bottom: 48px; } .mb-64 { margin-bottom: 64px; }

.text-primary { color: var(--primary); }
.text-accent { color: var(--accent); }
.text-gold { color: var(--gold); }
.text-ink-soft { color: var(--ink-soft); }
.text-center { text-align: center; }

.bg-paper { background: var(--paper); }
.bg-surface-2 { background: var(--surface-2); }
.bg-ink { background: var(--ink); color: var(--surface); }
.bg-primary { background: var(--primary); color: var(--surface); }

/* ───── Tweaks panel — minimal floating control ───── */
.font-toggle {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 100;
  display: flex;
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: 999px;
  padding: 4px;
  box-shadow: 0 12px 32px rgba(15,23,41,0.08);
  font-family: var(--font-sans);
}
.font-toggle button {
  font-family: var(--font-serif);
  font-size: 14px;
  padding: 8px 16px;
  border: 0;
  background: transparent;
  border-radius: 999px;
  cursor: pointer;
  color: var(--muted);
  transition: all var(--dur) var(--ease);
  letter-spacing: 0.01em;
}
.font-toggle button.is-active {
  background: var(--ink);
  color: var(--surface);
}
.font-toggle__label {
  font-family: var(--font-sans);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  align-self: center;
  padding-left: 12px;
  padding-right: 4px;
}

/* ───── Page Title / Hero shared ───── */
.page-hero {
  padding-block: clamp(96px, 12vw, 200px) clamp(64px, 8vw, 120px);
  position: relative;
  overflow: hidden;
}
.page-hero__kicker { display: block; margin-bottom: 24px; }

/* ───── Stat row ───── */
.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.stat-row__cell {
  padding: 48px 32px;
  border-right: 1px solid var(--hairline);
}
.stat-row__cell:last-child { border-right: 0; }
.stat-row__value {
  font-family: var(--font-serif);
  font-size: clamp(40px, 5vw, 68px);
  line-height: 1;
  color: var(--primary);
  letter-spacing: -0.02em;
}
.stat-row__label {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 12px;
}
@media (max-width: 800px) {
  .stat-row { grid-template-columns: 1fr 1fr; }
  .stat-row__cell:nth-child(2) { border-right: 0; }
  .stat-row__cell:nth-child(-n+2) { border-bottom: 1px solid var(--hairline); }
}

/* ───── Bullet list (used on subsidiary pages) ───── */
.feature-list { list-style: none; padding: 0; margin: 0; }
.feature-list li {
  padding: 24px 0;
  border-top: 1px solid var(--hairline);
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  align-items: baseline;
}
.feature-list li:last-child { border-bottom: 1px solid var(--hairline); }
.feature-list .num { font-family: var(--font-serif); font-style: italic; color: var(--accent); font-size: 14px; }
.feature-list .label { font-family: var(--font-serif); font-size: 22px; letter-spacing: -0.01em; color: var(--ink); }
.feature-list .label small { display: block; font-family: var(--font-sans); font-style: normal; font-size: 14px; color: var(--ink-soft); margin-top: 4px; letter-spacing: 0; }

/* ───── Value chain timeline (homepage) ───── */
.timeline {
  position: relative;
  padding-top: 80px;
}
.timeline__rail {
  position: relative;
  height: 1px;
  background: var(--hairline);
  margin-bottom: 64px;
}
.timeline__rail::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: var(--progress, 0%);
  background: var(--primary);
  transition: width 800ms var(--ease);
}
.timeline__steps {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
}
.timeline__step {
  position: relative;
  padding-top: 80px;
}
.timeline__step::before {
  content: "";
  position: absolute;
  top: -71px;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--hairline);
  transition: all 400ms var(--ease);
}
.timeline__step.is-active::before {
  background: var(--primary);
  border-color: var(--primary);
  transform: scale(1.4);
}
.timeline__step-num {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--accent);
  font-size: 14px;
  display: block;
  margin-bottom: 8px;
}
.timeline__step-title {
  font-family: var(--font-serif);
  font-size: 22px;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}
.timeline__step-desc {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.45;
}
@media (max-width: 900px) {
  .timeline__steps { grid-template-columns: 1fr 1fr; gap: 32px 16px; }
  .timeline__rail { display: none; }
  .timeline__step { padding-top: 0; border-top: 1px solid var(--hairline); padding-top: 20px; }
  .timeline__step::before { display: none; }
}

/* ───── Form ───── */
.form-progress {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}
.form-progress__rail {
  flex: 1;
  height: 1px;
  background: var(--hairline);
  position: relative;
}
.form-progress__rail::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: var(--p, 0%);
  background: var(--primary);
  transition: width 400ms var(--ease);
}

.field { margin-bottom: 24px; display: block; }
.field label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.field input[type="text"],
.field input[type="number"],
.field input[type="date"],
.field input[type="email"],
.field input[type="tel"],
.field select,
.field textarea {
  width: 100%;
  padding: 14px 0;
  border: 0;
  border-bottom: 1px solid var(--hairline);
  background: transparent;
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--ink);
  letter-spacing: -0.01em;
  transition: border-color var(--dur) var(--ease);
  border-radius: 0;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 0;
  border-color: var(--primary);
}
.field input::placeholder { color: var(--accent-200); font-family: var(--font-serif); }
.field .error {
  display: block;
  margin-top: 8px;
  color: #B0413E;
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.radio-group { display: grid; gap: 12px; grid-template-columns: 1fr 1fr; }
.radio-card {
  display: block;
  padding: 24px;
  border: 1px solid var(--hairline);
  background: var(--paper);
  cursor: pointer;
  transition: all var(--dur) var(--ease);
  position: relative;
}
.radio-card:hover { border-color: var(--accent); }
.radio-card input { position: absolute; opacity: 0; pointer-events: none; }
.radio-card.is-checked {
  border-color: var(--primary);
  background: rgba(27, 42, 91, 0.03);
}
.radio-card.is-checked::after {
  content: "";
  position: absolute;
  top: 16px;
  right: 16px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
}
.radio-card .title { font-family: var(--font-serif); font-size: 20px; letter-spacing: -0.01em; }
.radio-card .desc { font-size: 13px; color: var(--ink-soft); margin-top: 4px; }
@media (max-width: 600px) {
  .radio-group { grid-template-columns: 1fr; }
}

.checkbox {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px 0;
  cursor: pointer;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.5;
}
.checkbox input { margin-top: 4px; accent-color: var(--primary); }