/* ==========================================================================
   Aoyama — Corporate Site
   Direction: 深青山 · 静謐  (deep pine green, paper, hairline rules)
   ========================================================================== */

:root {
  /* color */
  --ink:          #12241f;
  --ink-soft:     #1d3831;
  --ink-faint:    #3a4f48;
  --paper:        #f5f2ec;
  --paper-deep:   #eae5da;
  --paper-warm:   #efeade;
  --night:        #0d1c17;
  --night-2:      #132a23;
  --rule:         rgba(18, 36, 31, 0.13);
  --rule-strong:  rgba(18, 36, 31, 0.26);
  --rule-light:   rgba(245, 242, 236, 0.16);
  --rule-light-2: rgba(245, 242, 236, 0.30);
  --muted:        #61706a;
  --muted-light:  rgba(245, 242, 236, 0.62);
  --gold:         #a98a5b;
  --gold-soft:    #c9b291;

  /* type */
  --serif: "Hiragino Mincho ProN", "Hiragino Mincho Pro", "Yu Mincho", "YuMincho",
           "Noto Serif JP", "Songti SC", "SimSun", serif;
  --sans:  "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic",
           "Noto Sans JP", -apple-system, BlinkMacSystemFont, "PingFang SC", sans-serif;

  /* rhythm */
  --gut: clamp(20px, 5vw, 64px);
  --pad-y: clamp(72px, 11vw, 148px);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --max: 1280px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15.5px;
  line-height: 1.95;
  letter-spacing: 0.02em;
  font-feature-settings: "palt" 1;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* paper grain */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.028'/%3E%3C/svg%3E");
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
p, h1, h2, h3, h4, figure, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
::selection { background: rgba(169, 138, 91, 0.28); }

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 4px;
}

.skip {
  position: fixed;
  top: -100px;
  left: 24px;
  z-index: 200;
  padding: 10px 20px;
  background: var(--ink);
  color: var(--paper);
  font-size: 13px;
}
.skip:focus { top: 16px; }

/* --------------------------------------------------------------------------
   Layout primitives
   -------------------------------------------------------------------------- */

.wrap {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gut);
}

.section {
  position: relative;
  padding-block: var(--pad-y);
  z-index: 1;
}
.section--tint { background: var(--paper-warm); }
.section--deep { background: var(--night); color: var(--paper); }

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

/* section head ---------------------------------------------------------- */

.sec-head {
  display: grid;
  grid-template-columns: minmax(0, 200px) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 72px);
  align-items: start;
  margin-bottom: clamp(44px, 6vw, 80px);
}
.sec-head__num {
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: 0.28em;
  color: var(--gold);
  padding-top: 0.55em;
}
.sec-head__num span {
  display: block;
  margin-top: 12px;
  font-family: var(--sans);
  font-size: 10.5px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted);
}
.sec-head__body h2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(25px, 3.4vw, 42px);
  line-height: 1.55;
  letter-spacing: 0.04em;
}
.sec-head__body .sub {
  margin-top: 22px;
  max-width: 62ch;
  color: var(--ink-faint);
  font-size: 15px;
  line-height: 2.1;
}

.section--deep .sec-head__num span,
.section--deep .sec-head__body .sub { color: var(--muted-light); }
.section--deep .sec-head__num { color: var(--gold-soft); }

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: 76px;
  display: flex;
  align-items: center;
  transition: background 0.5s var(--ease), height 0.5s var(--ease),
              border-color 0.5s var(--ease), color 0.35s var(--ease);
  border-bottom: 1px solid transparent;
  color: var(--paper);
}
.site-header__inner {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gut);
  display: flex;
  align-items: center;
  gap: 40px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 13px;
  flex-shrink: 0;
}
.brand__mark {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.22em;
  line-height: 1;
}
.brand__latin {
  font-family: var(--serif);
  font-size: 9.5px;
  letter-spacing: 0.42em;
  opacity: 0.68;
  line-height: 1;
  text-transform: uppercase;
}

.nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.4vw, 36px);
  font-size: 12.5px;
  letter-spacing: 0.1em;
}
.nav a {
  position: relative;
  padding-block: 6px;
  opacity: 0.82;
  transition: opacity 0.3s var(--ease);
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: currentColor;
  transition: width 0.42s var(--ease);
}
.nav a:hover { opacity: 1; }
.nav a:hover::after,
.nav a[aria-current="page"]::after { width: 100%; }
.nav a[aria-current="page"] { opacity: 1; }

/* language switch */
.lang {
  display: flex;
  align-items: center;
  gap: 0;
  margin-left: 8px;
  border-left: 1px solid currentColor;
  padding-left: 20px;
  opacity: 0.85;
}
.lang button {
  background: none;
  border: 0;
  font: inherit;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: inherit;
  opacity: 0.5;
  cursor: pointer;
  padding: 6px 7px;
  transition: opacity 0.3s var(--ease);
}
.lang button:hover { opacity: 0.9; }
.lang button[aria-pressed="true"] { opacity: 1; }
.lang button[aria-pressed="true"]::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--gold-soft);
  margin-right: 5px;
  vertical-align: 1.5px;
}

/* scrolled state */
.site-header.is-solid {
  background: rgba(245, 242, 236, 0.94);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom-color: var(--rule);
  color: var(--ink);
  height: 66px;
}
.site-header.is-solid .lang button[aria-pressed="true"]::before { background: var(--gold); }

/* mobile menu */
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid currentColor;
  border-radius: 0;
  color: inherit;
  width: 42px;
  height: 34px;
  margin-left: auto;
  cursor: pointer;
  position: relative;
}
.nav-toggle span {
  position: absolute;
  left: 11px;
  width: 18px;
  height: 1px;
  background: currentColor;
  transition: transform 0.4s var(--ease), opacity 0.3s var(--ease);
}
.nav-toggle span:nth-child(1) { top: 12px; }
.nav-toggle span:nth-child(2) { top: 17px; }
.nav-toggle span:nth-child(3) { top: 22px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* --------------------------------------------------------------------------
   Hero (home)
   -------------------------------------------------------------------------- */

.hero {
  position: relative;
  min-height: 100svh;
  background: var(--night);
  color: var(--paper);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-top: 76px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 80% at 78% 8%, rgba(52, 96, 80, 0.55) 0%, rgba(13, 28, 23, 0) 58%),
    radial-gradient(90% 70% at 8% 100%, rgba(29, 56, 49, 0.85) 0%, rgba(13, 28, 23, 0) 62%);
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
  mix-blend-mode: screen;
  opacity: 0.55;
}

.hero__contour {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  animation: contourIn 3.4s var(--ease) 0.35s forwards;
}
@keyframes contourIn {
  to { opacity: 1; }
}

.hero__inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gut);
  padding-bottom: clamp(56px, 8vh, 96px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(32px, 5vw, 80px);
  align-items: end;
}

.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 10.5px;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--muted-light);
  margin-bottom: clamp(28px, 4vh, 46px);
}
.hero__eyebrow::before {
  content: "";
  width: 44px;
  height: 1px;
  background: var(--gold-soft);
  opacity: 0.8;
}

.hero h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(38px, 7.2vw, 92px);
  line-height: 1.24;
  letter-spacing: 0.06em;
  margin-bottom: clamp(24px, 3.6vh, 40px);
}
.hero h1 em {
  font-style: normal;
  color: var(--gold-soft);
}

.hero__lead {
  max-width: 46ch;
  font-size: clamp(14px, 1.15vw, 16px);
  line-height: 2.15;
  color: var(--muted-light);
  letter-spacing: 0.03em;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 36px;
  margin-top: clamp(32px, 4.5vh, 52px);
}

.hero__aside {
  display: flex;
  align-items: flex-end;
  gap: 20px;
  padding-bottom: 6px;
}
.hero__vertical {
  writing-mode: vertical-rl;
  font-family: var(--serif);
  font-size: clamp(12px, 1.1vw, 14px);
  letter-spacing: 0.44em;
  color: var(--muted-light);
  border-left: 1px solid var(--rule-light-2);
  padding-left: 20px;
  height: clamp(180px, 26vh, 280px);
}

.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  z-index: 3;
  width: 1px;
  height: 64px;
  background: var(--rule-light);
  overflow: hidden;
}
.hero__scroll::after {
  content: "";
  position: absolute;
  top: -64px;
  left: 0;
  width: 1px;
  height: 64px;
  background: var(--gold-soft);
  animation: scrollLine 2.6s var(--ease) infinite;
}
@keyframes scrollLine {
  0%   { transform: translateY(0); }
  70%  { transform: translateY(128px); }
  100% { transform: translateY(128px); }
}

/* --------------------------------------------------------------------------
   Buttons / text links
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding: 15px 30px;
  border: 1px solid currentColor;
  font-size: 12.5px;
  letter-spacing: 0.14em;
  line-height: 1;
  transition: background 0.42s var(--ease), color 0.42s var(--ease),
              border-color 0.42s var(--ease);
  background: transparent;
  cursor: pointer;
  font-family: inherit;
}
.btn__arrow {
  display: inline-block;
  transition: transform 0.42s var(--ease);
}
.btn:hover .btn__arrow { transform: translateX(5px); }

.btn--solid {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}
.btn--solid:hover { background: var(--ink-soft); border-color: var(--ink-soft); }

.btn--light {
  border-color: var(--rule-light-2);
  color: var(--paper);
}
.btn--light:hover {
  background: var(--paper);
  border-color: var(--paper);
  color: var(--ink);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 12.5px;
  letter-spacing: 0.14em;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--rule-strong);
  transition: border-color 0.4s var(--ease), gap 0.4s var(--ease);
}
.link-arrow:hover { border-color: var(--ink); gap: 18px; }
.section--deep .link-arrow,
.hero .link-arrow { border-bottom-color: var(--rule-light-2); }
.section--deep .link-arrow:hover,
.hero .link-arrow:hover { border-bottom-color: var(--paper); }

/* --------------------------------------------------------------------------
   Metrics band
   -------------------------------------------------------------------------- */

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--rule);
}
.metric {
  padding: clamp(30px, 4vw, 46px) clamp(16px, 2.2vw, 32px);
  border-left: 1px solid var(--rule);
  min-width: 0;
}
.metric:first-child { border-left: 0; padding-left: 0; }
.metric__num {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(34px, 4.6vw, 62px);
  line-height: 1;
  letter-spacing: -0.01em;
  display: flex;
  align-items: baseline;
  gap: 4px;
  white-space: nowrap;
}
.metric__num small {
  font-family: var(--sans);
  font-size: clamp(12px, 1.05vw, 14px);
  letter-spacing: 0.08em;
  color: var(--muted);
  font-weight: 400;
}
.metric__label {
  margin-top: 16px;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  line-height: 1.7;
}
.metric__note {
  margin-top: 6px;
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.section--deep .metrics { border-top-color: var(--rule-light); }
.section--deep .metric { border-left-color: var(--rule-light); }
.section--deep .metric__num small,
.section--deep .metric__label,
.section--deep .metric__note { color: var(--muted-light); }

/* --------------------------------------------------------------------------
   Mission / statement
   -------------------------------------------------------------------------- */

.mission {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.35fr);
  gap: clamp(32px, 6vw, 96px);
  align-items: start;
}
.mission__statement {
  font-family: var(--serif);
  font-size: clamp(24px, 3.2vw, 40px);
  line-height: 1.85;
  letter-spacing: 0.05em;
  font-weight: 500;
}
.mission__statement em {
  font-style: normal;
  position: relative;
  white-space: nowrap;
}
.mission__statement em::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.12em;
  height: 1px;
  background: var(--gold);
  opacity: 0.75;
}
.mission__body p {
  font-size: 15px;
  line-height: 2.15;
  color: var(--ink-faint);
  margin-bottom: 20px;
  max-width: 60ch;
}
.mission__body p:last-child { margin-bottom: 0; }

/* --------------------------------------------------------------------------
   Business rows
   -------------------------------------------------------------------------- */

.biz-list { border-top: 1px solid var(--rule); }

.biz {
  display: grid;
  grid-template-columns: 74px minmax(0, 240px) minmax(0, 1fr) 46px;
  gap: clamp(16px, 2.4vw, 40px);
  align-items: center;
  padding-block: clamp(26px, 3.2vw, 40px);
  border-bottom: 1px solid var(--rule);
  position: relative;
  transition: padding-left 0.5s var(--ease);
}
.biz::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--paper-deep);
  opacity: 0;
  transition: opacity 0.5s var(--ease);
  z-index: -1;
}
.biz:hover::before { opacity: 0.75; }
.biz:hover { padding-left: 18px; }

.biz__num {
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--gold);
}
.biz__name {
  font-family: var(--serif);
  font-size: clamp(19px, 2.1vw, 26px);
  letter-spacing: 0.08em;
  line-height: 1.4;
}
.biz__name > span:last-child {
  display: block;
  margin-top: 6px;
  font-family: var(--sans);
  font-size: 10.5px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--muted);
}
.biz__desc {
  font-size: 13.5px;
  line-height: 1.95;
  color: var(--ink-faint);
  max-width: 54ch;
}
.biz__arrow {
  justify-self: end;
  width: 34px;
  height: 34px;
  border: 1px solid var(--rule-strong);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 12px;
  color: var(--ink-faint);
  transition: background 0.45s var(--ease), color 0.45s var(--ease),
              border-color 0.45s var(--ease);
}
.biz:hover .biz__arrow {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

/* --------------------------------------------------------------------------
   Group architecture
   -------------------------------------------------------------------------- */

.arch { margin-top: 8px; }

.arch__parent {
  border: 1px solid var(--rule-light-2);
  padding: clamp(26px, 3.4vw, 40px);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 28px;
  position: relative;
}
.arch__parent::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -1px;
  width: 1px;
  height: clamp(24px, 3vw, 40px);
  background: var(--rule-light-2);
  transform: translateY(100%);
}
.arch__parent h3 {
  font-family: var(--serif);
  font-size: clamp(21px, 2.4vw, 28px);
  letter-spacing: 0.1em;
  font-weight: 500;
}
.arch__parent p {
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--muted-light);
}

.arch__children {
  margin-top: clamp(24px, 3vw, 40px);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-left: 1px solid var(--rule-light);
}
.arch__child {
  padding: clamp(22px, 2.6vw, 32px) clamp(16px, 1.8vw, 26px);
  border-right: 1px solid var(--rule-light);
  border-top: 1px solid var(--rule-light);
  border-bottom: 1px solid var(--rule-light);
  position: relative;
}
.arch__child::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold-soft);
  transition: width 0.7s var(--ease);
}
.arch__child:hover::before { width: 100%; }
.arch__child h4 {
  font-family: var(--serif);
  font-size: 16.5px;
  letter-spacing: 0.06em;
  font-weight: 500;
  line-height: 1.5;
}
.arch__child .role {
  margin-top: 4px;
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold-soft);
}
.arch__child p {
  margin-top: 14px;
  font-size: 12.5px;
  line-height: 1.85;
  color: var(--muted-light);
}

/* --------------------------------------------------------------------------
   Principles
   -------------------------------------------------------------------------- */

.principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--rule);
}
.principle {
  padding: clamp(30px, 3.6vw, 48px) clamp(18px, 2.4vw, 36px);
  border-left: 1px solid var(--rule);
}
.principle:first-child { border-left: 0; padding-left: 0; }
.principle__num {
  font-family: var(--serif);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--gold);
  margin-bottom: 22px;
}
.principle h3 {
  font-family: var(--serif);
  font-size: clamp(18px, 1.9vw, 22px);
  font-weight: 500;
  letter-spacing: 0.06em;
  line-height: 1.6;
  margin-bottom: 16px;
}
.principle p {
  font-size: 13.5px;
  line-height: 2.05;
  color: var(--ink-faint);
}

/* --------------------------------------------------------------------------
   CTA band
   -------------------------------------------------------------------------- */

.cta {
  background: var(--night);
  color: var(--paper);
  padding-block: clamp(64px, 9vw, 120px);
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(80% 120% at 82% 20%, rgba(52, 96, 80, 0.5) 0%, rgba(13, 28, 23, 0) 60%);
}
.cta__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(28px, 5vw, 72px);
  align-items: end;
}
.cta h2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(26px, 3.6vw, 44px);
  line-height: 1.6;
  letter-spacing: 0.06em;
}
.cta p {
  margin-top: 20px;
  max-width: 52ch;
  font-size: 14px;
  line-height: 2.05;
  color: var(--muted-light);
}
.cta__actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* --------------------------------------------------------------------------
   Page hero (sub pages)
   -------------------------------------------------------------------------- */

.page-hero {
  background: var(--night);
  color: var(--paper);
  padding-top: calc(76px + clamp(56px, 9vw, 110px));
  padding-bottom: clamp(48px, 7vw, 86px);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(90% 130% at 84% 0%, rgba(52, 96, 80, 0.45) 0%, rgba(13, 28, 23, 0) 62%);
}
.page-hero .wrap { position: relative; }

.crumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 10.5px;
  letter-spacing: 0.2em;
  color: var(--muted-light);
  margin-bottom: clamp(24px, 3vw, 36px);
}
.crumb a:hover { color: var(--paper); }
.crumb span { opacity: 0.4; }

.page-hero h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(30px, 4.6vw, 56px);
  line-height: 1.4;
  letter-spacing: 0.07em;
}
.page-hero .en {
  display: block;
  margin-top: 14px;
  font-size: 10.5px;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--gold-soft);
}
.page-hero__lead {
  margin-top: clamp(24px, 3vw, 34px);
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 2.1;
  color: var(--muted-light);
}

/* --------------------------------------------------------------------------
   Business detail blocks
   -------------------------------------------------------------------------- */

.detail {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(28px, 5vw, 84px);
  padding-block: clamp(52px, 7vw, 96px);
  border-bottom: 1px solid var(--rule);
}
.detail:last-of-type { border-bottom: 0; }
.detail__aside { position: sticky; top: 100px; align-self: start; }
.detail__num {
  font-family: var(--serif);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--gold);
  margin-bottom: 20px;
}
.detail h2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(24px, 2.9vw, 36px);
  letter-spacing: 0.06em;
  line-height: 1.5;
}
.detail__brand {
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}
.detail__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}
.tag {
  font-size: 10.5px;
  letter-spacing: 0.1em;
  padding: 6px 12px;
  border: 1px solid var(--rule-strong);
  color: var(--ink-faint);
  white-space: nowrap;
}
.detail__body > p {
  font-size: 14.5px;
  line-height: 2.15;
  color: var(--ink-faint);
  margin-bottom: 22px;
  max-width: 62ch;
}
.detail__list {
  margin-top: 30px;
  border-top: 1px solid var(--rule);
}
.detail__list li {
  display: grid;
  grid-template-columns: minmax(0, 170px) minmax(0, 1fr);
  gap: 20px;
  padding-block: 16px;
  border-bottom: 1px solid var(--rule);
  font-size: 13.5px;
  line-height: 1.9;
}
.detail__list dt, .detail__list .k {
  color: var(--ink);
  letter-spacing: 0.06em;
}
.detail__list .v { color: var(--ink-faint); }

.detail__link { margin-top: 30px; }

/* --------------------------------------------------------------------------
   Company tables / timeline
   -------------------------------------------------------------------------- */

.info-table {
  width: 100%;
  border-collapse: collapse;
  border-top: 1px solid var(--rule);
}
.info-table th,
.info-table td {
  text-align: left;
  padding: 20px 18px 20px 0;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
  font-size: 13.5px;
  line-height: 1.95;
  font-weight: 400;
}
.info-table th {
  width: 210px;
  color: var(--ink);
  letter-spacing: 0.08em;
  white-space: nowrap;
}
.info-table td { color: var(--ink-faint); }
.info-table td ul li { padding-block: 2px; }

.licenses {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 clamp(24px, 4vw, 64px);
}
.license {
  display: flex;
  gap: 16px;
  padding-block: 16px;
  border-bottom: 1px solid var(--rule);
  font-size: 13px;
  line-height: 1.85;
  color: var(--ink-faint);
}
.license__k {
  flex-shrink: 0;
  width: 118px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.12em;
  padding-top: 3px;
}

.timeline { border-left: 1px solid var(--rule-strong); margin-left: 6px; }
.timeline li {
  position: relative;
  padding: 0 0 clamp(26px, 3vw, 38px) clamp(26px, 3.4vw, 44px);
}
.timeline li::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 10px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--paper);
  border: 1px solid var(--gold);
}
.timeline li:last-child { padding-bottom: 0; }
.timeline__year {
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--gold);
  margin-bottom: 6px;
}
.timeline__text {
  font-size: 14px;
  line-height: 1.95;
  color: var(--ink-faint);
}

/* --------------------------------------------------------------------------
   Contact
   -------------------------------------------------------------------------- */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: clamp(36px, 6vw, 96px);
  align-items: start;
}

.contact-channels { border-top: 1px solid var(--rule); }
.channel {
  display: grid;
  grid-template-columns: 108px minmax(0, 1fr);
  gap: 18px;
  padding-block: 22px;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
}
.channel__k {
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}
.channel__v { font-size: 14.5px; letter-spacing: 0.04em; line-height: 1.8; }
.channel__v a { border-bottom: 1px solid var(--rule-strong); }
.channel__v a:hover { border-bottom-color: var(--ink); }
.channel__v small { display: block; font-size: 11.5px; color: var(--muted); letter-spacing: 0.04em; margin-top: 4px; }

.form { border-top: 1px solid var(--rule); }
.field { padding-block: 20px; border-bottom: 1px solid var(--rule); }
.field__label {
  display: block;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  margin-bottom: 10px;
  color: var(--ink);
}
.field__label .req {
  font-size: 9.5px;
  letter-spacing: 0.1em;
  color: var(--gold);
  margin-left: 8px;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--rule);
  background: transparent;
  font: inherit;
  font-size: 14px;
  color: var(--ink);
  padding: 10px 0;
  border-radius: 0;
  transition: border-color 0.4s var(--ease);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-bottom-color: var(--gold);
}
.field textarea { resize: vertical; min-height: 120px; line-height: 1.9; }
.field input::placeholder,
.field textarea::placeholder { color: #a3aca7; }

.check {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding-block: 22px;
  font-size: 12.5px;
  line-height: 1.85;
  color: var(--ink-faint);
}
.check input { width: 15px; height: 15px; margin-top: 4px; flex-shrink: 0; accent-color: var(--ink); }

.form__foot { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; padding-top: 28px; }
.form__note { font-size: 11.5px; color: var(--muted); line-height: 1.85; max-width: 46ch; }

/* --------------------------------------------------------------------------
   Prose (privacy etc.)
   -------------------------------------------------------------------------- */

.prose { max-width: 76ch; }
.prose h2 {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 500;
  letter-spacing: 0.06em;
  margin: clamp(36px, 4vw, 52px) 0 16px;
  padding-top: 20px;
  border-top: 1px solid var(--rule);
}
.prose h2:first-child { margin-top: 0; border-top: 0; padding-top: 0; }
.prose p, .prose li {
  font-size: 13.5px;
  line-height: 2.1;
  color: var(--ink-faint);
  margin-bottom: 12px;
}
.prose ul { list-style: none; }
.prose ul li { position: relative; padding-left: 18px; }
.prose ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1em;
  width: 6px;
  height: 1px;
  background: var(--gold);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.site-footer {
  background: var(--night);
  color: var(--paper);
  padding-top: clamp(56px, 7vw, 88px);
  padding-bottom: 34px;
  position: relative;
  z-index: 1;
}
.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 0.8fr)) minmax(0, 1fr);
  gap: clamp(28px, 4vw, 64px);
  padding-bottom: clamp(40px, 5vw, 64px);
  border-bottom: 1px solid var(--rule-light);
}
.footer-brand__mark {
  font-family: var(--serif);
  font-size: 26px;
  letter-spacing: 0.22em;
  line-height: 1;
  margin-bottom: 14px;
}
.footer-brand__latin {
  font-size: 9px;
  letter-spacing: 0.4em;
  color: var(--muted-light);
  text-transform: uppercase;
  margin-bottom: 24px;
}
.footer-brand p {
  font-size: 11.5px;
  line-height: 2;
  color: var(--muted-light);
  max-width: 34ch;
}
.footer-col h4 {
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold-soft);
  margin-bottom: 20px;
  font-weight: 400;
}
.footer-col li { margin-bottom: 12px; }
.footer-col a {
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--muted-light);
  transition: color 0.3s var(--ease);
}
.footer-col a:hover { color: var(--paper); }
.footer-col address {
  font-style: normal;
  font-size: 11.5px;
  line-height: 2;
  color: var(--muted-light);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px 28px;
  padding-top: 26px;
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: rgba(245, 242, 236, 0.42);
}
.footer-bottom a:hover { color: var(--paper); }

/* --------------------------------------------------------------------------
   Reveal animation
   -------------------------------------------------------------------------- */

.has-reveal [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 1s var(--ease), transform 1s var(--ease);
}
[data-reveal].is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .hero__scroll::after { animation: none; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* Site-specific finishing details */
.brand-link { display:inline-block; margin-top:22px; font-size:11px; letter-spacing:.08em; padding-bottom:3px; border-bottom:1px solid var(--rule-light-2); }
.brand-link:hover { color:var(--gold-soft); }
.arch__parent::after { display:none; }
.section--deep .principle { border-color:var(--rule-light); }
.section--deep .principle p { color:var(--muted-light); }
.section--deep .principle__num { color:var(--gold-soft); }
.access-grid { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:clamp(28px,5vw,72px); align-items:start; }
.prototype-note { position:fixed; left:12px; bottom:12px; z-index:80; padding:5px 10px; background:var(--paper); color:var(--muted); border:1px solid var(--rule); font-size:9px; letter-spacing:.08em; pointer-events:none; }
.field [aria-invalid="true"] { border-bottom-color:var(--gold); }
html[lang="en"] .hero h1 { font-size:clamp(38px,5.8vw,76px); max-width:17ch; }
html[lang="en"] .hero__vertical { display:none; }
html[lang="en"] .metric__num small { font-size:12px; }

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 1080px) {
  .nav { gap: 20px; font-size: 12px; }
  .biz { grid-template-columns: 54px minmax(0, 200px) minmax(0, 1fr) 40px; }
  .detail { grid-template-columns: 1fr; }
  .detail__aside { position: static; }
  .footer-top { grid-template-columns: minmax(0, 1.2fr) repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  body { font-size: 15px; }

  .access-grid { grid-template-columns:1fr; }
  .nav-toggle { display: block; position:relative; z-index:102; }
  .site-header.menu-open { color:var(--paper); background:var(--night); backdrop-filter:none; -webkit-backdrop-filter:none; }
  .site-header.menu-open .brand { position:relative; z-index:102; }
  .nav:not(.is-open) { visibility:hidden; }
  .nav {
    position: fixed;
    inset: 0;
    margin: 0;
    background: var(--night);
    color: var(--paper);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 4px;
    padding: 0 var(--gut);
    font-size: 20px;
    font-family: var(--serif);
    letter-spacing: 0.14em;
    transform: translateY(-100%);
    transition: transform 0.55s var(--ease);
    z-index: 90;
  }
  .nav.is-open { transform: none; }
  .nav a { padding-block: 14px; opacity: 1; }
  .nav .lang {
    margin: 26px 0 0;
    padding: 20px 0 0;
    border-left: 0;
    border-top: 1px solid var(--rule-light);
    width: 100%;
    font-family: var(--sans);
  }
  .site-header.is-solid .nav { color: var(--paper); }

  .sec-head { grid-template-columns: 1fr; gap: 18px; }
  .sec-head__num span { display: inline; margin-left: 14px; }

  .hero__inner { grid-template-columns: 1fr; }
  .hero__aside { display: none; }
  .hero { min-height: 92svh; }

  .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metric:nth-child(3) { border-left: 0; padding-left: 0; }
  .metric:nth-child(n+3) { border-top: 1px solid var(--rule); }
  .section--deep .metric:nth-child(n+3) { border-top-color: var(--rule-light); }

  .mission { grid-template-columns: 1fr; gap: 28px; }
  .principles { grid-template-columns: 1fr; }
  .principle { border-left: 0; border-top: 1px solid var(--rule); padding-left: 0; padding-right: 0; }
  .principle:first-child { border-top: 0; }

  .biz {
    grid-template-columns: 44px minmax(0, 1fr) 34px;
    row-gap: 10px;
    align-items: start;
  }
  .biz__desc { grid-column: 2 / 3; }
  .biz__arrow { grid-column: 3; grid-row: 1; width: 28px; height: 28px; font-size: 10px; }

  .arch__children { grid-template-columns: 1fr 1fr; }
  .arch__parent::after { display: none; }

  .cta__inner { grid-template-columns: 1fr; align-items: start; }
  .contact-grid { grid-template-columns: 1fr; }
  .licenses { grid-template-columns: 1fr; }
  .info-table th { width: 132px; white-space: normal; }
  .detail__list li { grid-template-columns: 1fr; gap: 4px; }

  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 520px) {
  .brand__latin { display: none; }
  .hero h1 { font-size: clamp(32px, 10vw, 44px); letter-spacing: 0.04em; }
  .metrics { grid-template-columns: 1fr; }
  .metric { border-left: 0 !important; padding-left: 0 !important; border-top: 1px solid var(--rule); }
  .metric:first-child { border-top: 0; }
  .section--deep .metric { border-top-color: var(--rule-light); }
  .arch__children { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .channel { grid-template-columns: 1fr; gap: 4px; }
  .cta__actions { width: 100%; }
  .btn { width: 100%; justify-content: space-between; }
}

/* Editorial imagery and service-partner directory. */
.hero__art {
  position: absolute; right: 0; top: 0; width: 62%; height: 100%;
  object-fit: cover; object-position: center; opacity: .92;
  mask-image: linear-gradient(to right, transparent, #000 36%);
  -webkit-mask-image: linear-gradient(to right, transparent, #000 36%);
}
.hero::before { z-index: 1; background: linear-gradient(90deg, var(--night) 4%, rgba(13,28,23,.88) 33%, rgba(13,28,23,.12) 80%); }
.hero__main { max-width: 780px; }
.hero__lead { color: #dddccf; }
.life-scene { padding-top: 0; }
.life-scene__grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(24px,5vw,72px); align-items: start; }
.life-scene figure { margin: 0; }
.life-scene img { display: block; width: 100%; object-fit: cover; }
.life-scene__large img { height: clamp(240px,33vw,460px); }
.life-scene__small { padding-top: clamp(30px,7vw,100px); }
.life-scene__small img { height: clamp(200px,24vw,330px); }
.life-scene figcaption { font-family: var(--serif); font-size: clamp(18px,2vw,26px); margin-top: 22px; line-height: 1.7; }
.life-scene__label { display: block; font: 10px var(--sans); letter-spacing: .25em; color: var(--muted); margin-bottom: 12px; }
.detail__photo { display: block; width: 100%; height: clamp(200px,26vw,340px); object-fit: cover; margin: 0 0 32px; }
.partners h2 { font-family: var(--serif); font-size: clamp(25px,3.4vw,42px); font-weight: 500; margin: 24px 0 14px; }
.partners__intro { color: var(--ink-faint); max-width: 62ch; line-height: 1.9; }
.partner-grid { list-style: none; padding: 0; margin: 36px 0 0; display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); border-top: 1px solid var(--rule); border-left: 1px solid var(--rule); }
.partner-grid li { display: flex; align-items: center; justify-content: center; min-width: 0; padding: 15px 25px; background: #fff; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.partner-grid img { display: block; width: 100%; max-width: 210px; height: 100px; object-fit: contain; }
.partner-grid .partner-name { min-height: 131px; flex-direction: column; gap: 8px; color: var(--ink); text-align: center; }
.partner-name > span { font-family: var(--serif); font-size: 26px; letter-spacing: .12em; }
.partner-name > small { font-size: 9px; letter-spacing: .14em; }
@media (max-width: 520px) { .partner-grid .partner-name { min-height: 101px; } .partner-name > span { font-size: 22px; } }
.travel-partner { display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--rule); padding: 18px 28px; background: #fff; }
.travel-partner span { font-size: 12px; letter-spacing: .12em; color: var(--muted); }
.travel-partner img { width: 170px; height: 80px; object-fit: contain; }
.partners__note { font-size: 11px; line-height: 1.9; color: var(--muted); margin-top: 18px; }
.partners--compact { padding: 0 0 clamp(64px,8vw,110px); }
.partners--compact .partner-grid { grid-template-columns: repeat(4,minmax(0,1fr)); }
.legal-title { font-size: clamp(30px,5vw,58px) !important; overflow-wrap: anywhere; }
.legal-document { max-width: 1080px; }
.legal-document > h2 { font-family: var(--serif); font-size: 23px; font-weight: 500; line-height: 1.8; margin-bottom: 16px; }
.legal-document > p { line-height: 2; margin-bottom: 40px; color: var(--ink-faint); }
.commerce-table td { line-height: 2; overflow-wrap: anywhere; }
.commerce-table th { width: 240px; white-space: normal; }
.policy-layout { display: grid; grid-template-columns: 235px minmax(0,1fr); gap: clamp(32px,6vw,90px); align-items: start; }
.policy-nav { position: sticky; top: 100px; padding-top: 8px; }
.policy-nav h2 { font-size: 15px; font-weight: 500; margin-bottom: 14px; }
.policy-nav p { font-size: 12px; color: var(--muted); line-height: 1.9; }
.policy-nav ul { list-style: none; margin: 24px 0 0; padding: 0; border-top: 1px solid var(--rule); }
.policy-nav a { display: block; padding: 20px 8px; border-bottom: 1px solid var(--rule); font-family: var(--serif); font-size: 19px; }
.policy-nav a::after { content: '↘'; float: right; color: var(--gold); }
.policy-nav a:hover { background: var(--paper-deep); }
.policy-content { min-width: 0; }
.policy-document { scroll-margin-top: 100px; padding-bottom: 72px; margin-bottom: 72px; border-bottom: 1px solid var(--rule); }
.policy-document:last-child { margin-bottom: 0; }
.policy-document__header { padding-bottom: 24px; margin-bottom: 32px; border-bottom: 1px solid var(--rule); }
.policy-document__header h2 { font-family: var(--serif); font-size: 34px; font-weight: 500; }
.policy-source { margin-top: 12px; font-size: 11px; color: var(--muted); overflow-wrap: anywhere; }
.policy-source a { text-decoration: underline; }
.policy-document__body { max-width: none; overflow-wrap: anywhere; }
.policy-document__body h3 { font-family: var(--serif); font-size: 24px; margin: 24px 0; }
.policy-document__body h4 { font-size: 17px; margin: 32px 0 14px; }
.policy-document__body h5 { font-size: 14px; margin: 24px 0 10px; }
.policy-document__body p { font-size: 14px; line-height: 2.1; }
@media (max-width: 860px) {
  .hero__art { width: 100%; opacity: .57; mask-image: linear-gradient(to bottom,#000,transparent 95%); -webkit-mask-image: linear-gradient(to bottom,#000,transparent 95%); }
  .hero::before { background: linear-gradient(0deg,var(--night) 8%,rgba(13,28,23,.62) 65%,rgba(13,28,23,.15)); }
  .life-scene__grid { grid-template-columns: 1fr 1fr; gap: 20px; }
  .partner-grid, .partners--compact .partner-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .policy-layout { grid-template-columns: 1fr; }
  .policy-nav { position: static; }
  .policy-nav ul { display: flex; }
  .policy-nav li { flex: 1; }
  .policy-nav a { font-size: 16px; padding: 18px 12px; }
}
@media (max-width: 520px) {
  .life-scene__grid { grid-template-columns: 1fr; }
  .life-scene__small { padding-top: 12px; margin-left: 42px !important; }
  .life-scene__large img { height: 280px; }
  .life-scene__small img { height: 210px; }
  .partner-grid, .partners--compact .partner-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .partner-grid li { padding: 10px 16px; }
  .partner-grid img { height: 80px; }
  .travel-partner { padding: 12px 16px; gap: 12px; }
  .travel-partner img { width: 130px; }
  .commerce-table, .commerce-table tbody, .commerce-table tr, .commerce-table th, .commerce-table td { display: block; width: 100%; }
  .commerce-table th { border-bottom: 0; padding-bottom: 4px; }
  .commerce-table td { padding-top: 4px; }
}