/* =====================================================================
   Infinity Concept Design 無限概念設計 - landing page styles
   Plain CSS, no framework. Everything is scoped under .icd / .icd-*
   so it can be pasted into Leadpages (or any host) without collisions.
   Fonts (Google Fonts):
   Cormorant Garamond, Montserrat, Noto Sans TC, Noto Serif TC, Work Sans
   ===================================================================== */

.icd {
  --icd-paper: #EFEBE2;
  --icd-paper-2: #E6DED3;
  --icd-cream: #FAF7F1;
  --icd-sand: #CDB8A8;
  --icd-taupe-1: #B8A99A;
  --icd-taupe-2: #9A8574;
  --icd-taupe-3: #7A6456;
  --icd-taupe-4: #4E3A2F;
  --icd-ink: #40251A;
  --icd-ink-deep: #2C1A12;
  --icd-ink-soft: #6E5748;
  --icd-teal: #2A726F;
  --icd-teal-deep: #1F5855;
  --icd-line: rgba(64, 37, 26, 0.16);

  --icd-serif: "Noto Serif TC", "Songti TC", "PMingLiU", serif;
  --icd-sans: "Work Sans", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  --icd-latin: "Cormorant Garamond", "Noto Serif TC", Georgia, serif;
  --icd-label: "Montserrat", "Noto Sans TC", sans-serif;

  --icd-wrap: 1200px;
  --icd-gutter: clamp(20px, 5vw, 64px);
  --icd-section: clamp(88px, 11vw, 168px);

  color-scheme: light;
  background: var(--icd-paper);
  color: var(--icd-ink);
  font-family: var(--icd-sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.8;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
html:has(.icd) { scroll-behavior: smooth; }
body:has(.icd) { background: #EFEBE2; margin: 0; }

.icd *, .icd *::before, .icd *::after { box-sizing: border-box; }
.icd h1, .icd h2, .icd h3, .icd p, .icd figure { margin: 0; }
.icd img { display: block; max-width: 100%; height: auto; }
.icd a { color: inherit; text-decoration: none; }
.icd section[id] { scroll-margin-top: 84px; }

.icd-wrap {
  width: 100%;
  max-width: calc(var(--icd-wrap) + 2 * var(--icd-gutter));
  margin: 0 auto;
  padding: 0 var(--icd-gutter);
}

.icd-eyebrow {
  font-family: var(--icd-label);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--icd-teal);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 14px;
}
.icd-eyebrow__sep { width: 28px; height: 1px; background: currentColor; opacity: 0.6; }
.icd-eyebrow--light { color: rgba(250, 247, 241, 0.82); }

.icd-curve { position: absolute; color: var(--icd-ink); opacity: 0.35; pointer-events: none; }
.icd-life__no, .icd-core__no, .icd-cases__stat strong { font-variant-numeric: lining-nums; font-feature-settings: "lnum" 1; }

/* ---------------- NAV ---------------- */
.icd-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(239, 235, 226, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--icd-line);
}
.icd-nav__inner { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 24px; }
.icd-nav__brand { display: flex; align-items: center; gap: 12px; }
.icd-nav__brand img { width: 52px; height: 52px; border-radius: 50%; }
.icd-nav__name { display: flex; flex-direction: column; font-family: var(--icd-label); font-size: 11px; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; line-height: 1.5; color: var(--icd-ink); }
.icd-nav__name small { font-family: var(--icd-serif); font-size: 12px; font-weight: 500; letter-spacing: 0.4em; text-transform: none; color: var(--icd-ink-soft); }
.icd-nav__links { display: flex; gap: 28px; font-size: 14px; letter-spacing: 0.12em; }
.icd-nav__links a { position: relative; padding: 6px 0; color: var(--icd-ink-soft); transition: color 0.25s ease; }
.icd-nav__links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: var(--icd-ink); transform: scaleX(0); transform-origin: left; transition: transform 0.35s ease;
}
.icd-nav__links a:hover { color: var(--icd-ink); }
.icd-nav__links a:hover::after { transform: scaleX(1); }
.icd-nav__cta {
  font-size: 14px; letter-spacing: 0.16em;
  padding: 10px 22px;
  border: 1px solid var(--icd-ink);
  border-radius: 999px;
  transition: background 0.3s ease, color 0.3s ease;
}
.icd-nav__cta:hover { background: var(--icd-ink); color: var(--icd-cream); }

/* ---------------- 1. HERO ---------------- */
.icd-hero { position: relative; padding-top: clamp(48px, 7vw, 104px); }
.icd-curve--hero { top: 18px; right: -40px; width: min(560px, 60vw); }
.icd-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
  gap: clamp(32px, 6vw, 96px);
  align-items: center;
}
.icd-hero__copy { padding-bottom: clamp(0px, 3vw, 48px); }
.icd-hero__kicker {
  margin-top: clamp(28px, 4vw, 48px);
  font-family: var(--icd-serif);
  font-size: clamp(18px, 1.9vw, 24px);
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--icd-ink-soft);
}
.icd-hero__title {
  margin-top: 14px;
  font-family: var(--icd-serif);
  font-weight: 600;
  font-size: clamp(46px, 6vw, 92px);
  line-height: 1.12;
  letter-spacing: 0.06em;
  color: var(--icd-ink);
}
.icd-hero__title span { display: block; white-space: nowrap; }
.icd-hero__title span + span { padding-left: 0.8em; }
.icd-hero__tagline {
  margin-top: clamp(24px, 3vw, 36px);
  padding-top: 20px;
  border-top: 1px solid var(--icd-line);
  max-width: 360px;
  font-size: 15px;
  letter-spacing: 0.3em;
  color: var(--icd-ink-soft);
}
.icd-hero__actions { margin-top: clamp(32px, 4vw, 48px); display: flex; align-items: center; gap: 32px; flex-wrap: wrap; }
.icd-hero__btn {
  display: inline-flex; align-items: center; gap: 18px;
  background: var(--icd-teal); color: var(--icd-cream);
  padding: 18px 30px 18px 34px;
  font-size: 16px; letter-spacing: 0.24em;
  transition: background 0.3s ease;
}
.icd-hero__btn-arrow { display: inline-block; transition: transform 0.3s ease; }
.icd-hero__btn:hover { background: var(--icd-teal-deep); }
.icd-hero__btn:hover .icd-hero__btn-arrow { transform: translateX(6px); }
.icd-hero__more {
  font-size: 14px; letter-spacing: 0.18em; color: var(--icd-ink-soft);
  border-bottom: 1px solid var(--icd-line); padding-bottom: 4px;
  transition: color 0.25s ease, border-color 0.25s ease;
}
.icd-hero__more:hover { color: var(--icd-ink); border-color: var(--icd-ink); }

.icd-hero__media { position: relative; }
.icd-hero__frame { position: relative; }
.icd-hero__frame::before {
  content: ""; position: absolute; inset: 22px -22px -22px 22px;
  border: 1px solid rgba(42, 114, 111, 0.55); pointer-events: none;
}
.icd-hero__frame img { position: relative; width: 100%; aspect-ratio: 940 / 772; object-fit: cover; }
.icd-hero__seal {
  position: absolute; top: -44px; right: -20px;
  width: clamp(112px, 12vw, 150px); aspect-ratio: 1;
  border-radius: 50%;
  box-shadow: 0 22px 44px -20px rgba(64, 37, 26, 0.55);
}
.icd-hero__seal img { width: 100%; height: auto; border-radius: 50%; }

.icd-hero__strip { margin-top: clamp(64px, 8vw, 112px); border-top: 1px solid var(--icd-line); border-bottom: 1px solid var(--icd-line); }
.icd-hero__strip-inner {
  display: flex; align-items: center; justify-content: center; gap: clamp(16px, 4vw, 48px);
  padding-top: 22px; padding-bottom: 22px;
  font-family: var(--icd-serif); font-size: clamp(14px, 1.6vw, 18px); letter-spacing: 0.5em; color: var(--icd-ink-soft);
}
.icd-hero__strip-rule { width: clamp(40px, 8vw, 120px); height: 1px; background: var(--icd-ink); opacity: 0.4; }

/* ---------------- 2. INTRO ---------------- */
.icd-intro { padding: var(--icd-section) 0 clamp(40px, 5vw, 72px); }
.icd-intro__grid { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 9fr); gap: clamp(24px, 5vw, 80px); }
.icd-intro__label {
  font-family: var(--icd-serif); font-size: 15px; letter-spacing: 0.4em; color: var(--icd-teal);
  padding-top: 14px; border-top: 1px solid var(--icd-teal); align-self: start;
}
.icd-intro__lead {
  font-family: var(--icd-serif); font-weight: 500;
  font-size: clamp(24px, 2.9vw, 38px); line-height: 1.7; letter-spacing: 0.06em; color: var(--icd-ink);
}
.icd-intro__body { margin-top: 28px; font-size: clamp(16px, 1.4vw, 18px); color: var(--icd-ink-soft); letter-spacing: 0.08em; }
.icd-intro__note {
  margin-top: 40px; display: inline-block; padding: 12px 0; border-top: 1px solid var(--icd-line); border-bottom: 1px solid var(--icd-line);
  font-size: 14px; letter-spacing: 0.16em; color: var(--icd-ink-soft);
}

/* ---------------- 3. BOOKING FORM (compact) ---------------- */
.icd-booking { padding: 0 0 clamp(64px, 8vw, 112px); }
.icd-booking__grid {
  display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  background: var(--icd-cream);
  box-shadow: 0 32px 64px -44px rgba(64, 37, 26, 0.35);
  padding: 0; max-width: calc(var(--icd-wrap) + 2 * var(--icd-gutter));
}
.icd-booking__grid.icd-wrap { padding: 0; width: calc(100% - 2 * var(--icd-gutter)); max-width: var(--icd-wrap); }
.icd-booking__panel { position: relative; overflow: hidden; background: var(--icd-ink-deep); display: flex; align-items: flex-end; }
.icd-booking__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.72; }
.icd-booking__panel::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(44, 26, 18, 0.05) 20%, rgba(44, 26, 18, 0.8) 100%); }
.icd-booking__panel-copy { position: relative; z-index: 1; padding: clamp(22px, 3vw, 40px); color: var(--icd-cream); }
.icd-booking__title { margin-top: 12px; font-family: var(--icd-serif); font-weight: 600; font-size: clamp(22px, 2.2vw, 30px); line-height: 1.45; letter-spacing: 0.08em; }
.icd-booking__lead { margin-top: 10px; font-size: 14px; line-height: 1.7; letter-spacing: 0.06em; color: rgba(250, 247, 241, 0.85); }

.icd-form { padding: clamp(24px, 3.2vw, 44px); display: flex; flex-direction: column; gap: 16px; }
.icd-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 28px; }
.icd-field { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.icd-field__label { font-size: 13px; line-height: 1.5; letter-spacing: 0.08em; color: var(--icd-ink); }
.icd-field__label em { font-style: normal; color: var(--icd-teal); }
.icd-field__opt { font-size: 11px; letter-spacing: 0.1em; color: var(--icd-taupe-2); }
.icd-field__input {
  width: 100%; font: inherit; font-size: 16px; line-height: 1.5; letter-spacing: 0.04em; color: var(--icd-ink);
  background: transparent; border: 0; border-bottom: 1px solid rgba(64, 37, 26, 0.3); border-radius: 0;
  padding: 6px 0 7px; outline: none; transition: border-color 0.25s ease;
  -webkit-appearance: none; appearance: none;
}
.icd-field__input::placeholder { color: rgba(110, 87, 72, 0.55); font-size: 14px; }
.icd-field__input:focus { border-bottom-color: var(--icd-teal); box-shadow: 0 1px 0 0 var(--icd-teal); }
.icd-field--inline { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: end; column-gap: 16px; }
.icd-field--inline .icd-field__label { padding-bottom: 8px; white-space: nowrap; }
.icd-field__select { position: relative; }
.icd-field__select::after {
  content: ""; position: absolute; right: 4px; top: 50%; width: 7px; height: 7px; margin-top: -6px;
  border-right: 1px solid var(--icd-ink); border-bottom: 1px solid var(--icd-ink); transform: rotate(45deg); pointer-events: none;
}
.icd-field__select select { padding-right: 28px; cursor: pointer; }
.icd-form__submit {
  margin-top: 6px; align-self: stretch;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  background: var(--icd-ink); color: var(--icd-cream); border: 0; cursor: pointer;
  font: inherit; font-size: 15px; letter-spacing: 0.16em; text-align: left;
  padding: 16px 24px;
  transition: background 0.3s ease;
}
.icd-form__submit-line { flex: 0 0 40px; height: 1px; background: currentColor; transition: flex-basis 0.35s ease; }
.icd-form__submit:hover { background: var(--icd-teal); }
.icd-form__submit:hover .icd-form__submit-line { flex-basis: 64px; }

/* ---------------- 4. LIFESTYLE ---------------- */
.icd-life { padding: var(--icd-section) 0; background: var(--icd-paper-2); }
.icd-life__head { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 9fr); gap: clamp(24px, 5vw, 80px); align-items: end; margin-bottom: clamp(56px, 7vw, 104px); }
.icd-life__title { font-family: var(--icd-serif); font-weight: 600; font-size: clamp(32px, 4.2vw, 58px); line-height: 1.3; letter-spacing: 0.06em; color: var(--icd-teal); }
.icd-life__title span { display: block; margin-top: 8px; font-size: 0.56em; font-weight: 500; color: var(--icd-ink); letter-spacing: 0.12em; }
.icd-life__grid {
  display: grid; grid-template-columns: repeat(2, minmax(0, 480px));
  justify-content: space-between; row-gap: clamp(64px, 8vw, 120px);
}
.icd-life__card:nth-child(even) { margin-top: clamp(0px, 12vw, 180px); }
.icd-life__img { overflow: hidden; background: var(--icd-sand); }
.icd-life__img img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; transition: transform 0.9s cubic-bezier(.2,.7,.2,1); }
.icd-life__card:hover .icd-life__img img { transform: scale(1.04); }
.icd-life__cap { position: relative; display: grid; grid-template-columns: 64px 1fr; column-gap: 8px; padding-top: 28px; }
.icd-life__cap::before { content: ""; position: absolute; top: 0; left: 0; width: 56px; height: 3px; background: var(--icd-taupe-1); }
.icd-life__card--2 .icd-life__cap::before { background: var(--icd-taupe-2); }
.icd-life__card--3 .icd-life__cap::before { background: var(--icd-taupe-3); }
.icd-life__card--4 .icd-life__cap::before { background: var(--icd-taupe-4); }
.icd-life__no { grid-row: span 2; font-family: var(--icd-latin); font-style: italic; font-size: 30px; line-height: 1.1; color: var(--icd-taupe-2); }
.icd-life__cap h3 { font-family: var(--icd-serif); font-weight: 600; font-size: clamp(20px, 1.9vw, 25px); letter-spacing: 0.08em; line-height: 1.4; }
.icd-life__cap p { margin-top: 12px; font-size: 15px; line-height: 1.95; color: var(--icd-ink-soft); max-width: 380px; }

/* ---------------- 5. PHILOSOPHY ---------------- */
.icd-phil__band { background: var(--icd-teal); color: var(--icd-cream); padding: clamp(80px, 10vw, 144px) 0; }
.icd-phil__band-inner { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(32px, 6vw, 96px); align-items: end; }
.icd-phil__title { font-family: var(--icd-serif); font-weight: 600; font-size: clamp(44px, 6.4vw, 92px); line-height: 1.15; letter-spacing: 0.08em; }
.icd-phil__sub { margin-top: 20px; font-family: var(--icd-serif); font-size: clamp(18px, 2vw, 26px); letter-spacing: 0.16em; color: rgba(250, 247, 241, 0.88); }
.icd-phil__belief { padding-left: 28px; border-left: 1px solid rgba(250, 247, 241, 0.4); font-size: clamp(15px, 1.4vw, 18px); line-height: 2; letter-spacing: 0.12em; color: rgba(250, 247, 241, 0.9); }

.icd-phil__list { padding-top: clamp(72px, 9vw, 128px); padding-bottom: var(--icd-section); }
.icd-phil__label { display: flex; align-items: center; gap: 20px; margin-bottom: clamp(48px, 6vw, 80px); font-family: var(--icd-serif); font-size: 15px; letter-spacing: 0.5em; color: var(--icd-teal); }
.icd-phil__label::after { content: ""; flex: 1; height: 1px; background: var(--icd-line); }
.icd-core { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(28px, 5vw, 80px); align-items: center; padding: clamp(28px, 3.5vw, 48px) 0; border-top: 1px solid var(--icd-line); }
.icd-core:last-child { border-bottom: 1px solid var(--icd-line); }
.icd-core--flip .icd-core__img { order: 2; }
.icd-core__img { overflow: hidden; }
.icd-core__img img { width: 100%; aspect-ratio: 1200 / 460; object-fit: cover; transition: transform 0.9s cubic-bezier(.2,.7,.2,1); }
.icd-core:hover .icd-core__img img { transform: scale(1.03); }
.icd-core__no { display: block; font-family: var(--icd-latin); font-weight: 500; font-size: clamp(56px, 6vw, 84px); line-height: 1; color: var(--icd-teal); }
.icd-core__en { margin-top: 18px; font-family: var(--icd-label); font-size: 11px; font-weight: 600; letter-spacing: 0.3em; text-transform: uppercase; color: var(--icd-taupe-2); }
.icd-core__text h3 { margin-top: 8px; font-family: var(--icd-serif); font-weight: 600; font-size: clamp(24px, 2.4vw, 32px); letter-spacing: 0.1em; }
.icd-core__text p:last-child { margin-top: 14px; font-size: 15px; line-height: 2; color: var(--icd-ink-soft); max-width: 400px; }

/* ---------------- 5b. STAT + CASES ---------------- */
.icd-cases { background: var(--icd-ink-deep); color: var(--icd-cream); padding: var(--icd-section) 0; }
.icd-cases__head { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; flex-wrap: wrap; padding-bottom: 40px; border-bottom: 1px solid rgba(250, 247, 241, 0.18); }
.icd-cases__stat { font-family: var(--icd-serif); font-size: clamp(20px, 2.2vw, 28px); letter-spacing: 0.12em; display: flex; align-items: baseline; flex-wrap: wrap; gap: 0 18px; }
.icd-cases__stat strong { font-family: var(--icd-latin); font-weight: 500; font-size: clamp(88px, 11vw, 160px); line-height: 0.9; color: var(--icd-sand); letter-spacing: 0; }
.icd-cases__title { font-family: var(--icd-serif); font-size: clamp(16px, 1.5vw, 19px); font-weight: 500; letter-spacing: 0.4em; color: rgba(250, 247, 241, 0.78); padding-bottom: 12px; }
.icd-cases__grid { margin-top: clamp(40px, 5vw, 64px); display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 3vw, 40px); }
.icd-case { display: flex; flex-direction: column; gap: 14px; }
.icd-case__thumb { position: relative; display: block; overflow: hidden; }
.icd-case__thumb img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; transition: transform 0.9s cubic-bezier(.2,.7,.2,1); }
.icd-case__play { position: absolute; left: 24px; bottom: 24px; width: 56px; height: 56px; border-radius: 50%; border: 1px solid rgba(250, 247, 241, 0.85); background: rgba(44, 26, 18, 0.35); backdrop-filter: blur(4px); transition: background 0.3s ease; }
.icd-case__play::after { content: ""; position: absolute; left: 50%; top: 50%; margin: -7px 0 0 -4px; border-left: 12px solid var(--icd-cream); border-top: 7px solid transparent; border-bottom: 7px solid transparent; }
.icd-case:hover .icd-case__thumb img { transform: scale(1.04); }
.icd-case:hover .icd-case__play { background: var(--icd-teal); }
.icd-case__title { font-family: var(--icd-serif); font-size: clamp(17px, 1.5vw, 20px); line-height: 1.6; letter-spacing: 0.06em; }
.icd-case__meta { font-family: var(--icd-label); font-size: 11px; letter-spacing: 0.24em; color: rgba(250, 247, 241, 0.55); }

/* ---------------- 6. SPATIAL DESIGN ---------------- */
.icd-spatial { padding: var(--icd-section) 0 clamp(48px, 6vw, 96px); }
.icd-spatial__head { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: clamp(48px, 6vw, 88px); }
.icd-spatial__title { font-family: var(--icd-serif); font-weight: 600; font-size: clamp(28px, 3.8vw, 52px); line-height: 1.35; letter-spacing: 0.08em; max-width: 780px; }
.icd-spatial__seal {
  flex: 0 0 auto; width: clamp(104px, 11vw, 140px); aspect-ratio: 1; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; text-align: center;
  background: var(--icd-taupe-2); color: var(--icd-cream);
  font-family: var(--icd-latin); font-style: italic; font-size: clamp(17px, 1.6vw, 21px); line-height: 1.25;
}
.icd-spatial__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(16px, 2.5vw, 36px); align-items: start; }
.icd-spatial__fig { overflow: hidden; }
.icd-spatial__hint { display: none; }
.icd-spatial__fig img { width: 100%; aspect-ratio: 330 / 520; object-fit: cover; transition: transform 0.9s cubic-bezier(.2,.7,.2,1); }
.icd-spatial__fig--mid { margin-top: clamp(0px, 6vw, 88px); }
.icd-spatial__fig:hover img { transform: scale(1.04); }

/* ---------------- 7. CTA ---------------- */
.icd-cta { padding: clamp(40px, 5vw, 72px) 0 var(--icd-section); }
.icd-cta__grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(32px, 6vw, 96px); align-items: center; }
.icd-cta__media { overflow: hidden; }
.icd-cta__media img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: center 60%; }
.icd-cta__copy { position: relative; padding: clamp(24px, 4vw, 64px) 0; }
.icd-curve--cta { top: -96px; left: -40px; width: min(520px, 90%); }
.icd-cta__promo { position: relative; font-family: var(--icd-serif); font-weight: 500; font-size: clamp(24px, 2.8vw, 38px); line-height: 1.6; letter-spacing: 0.08em; max-width: 560px; }
.icd-cta__btn { position: relative; margin-top: clamp(32px, 4vw, 52px); display: inline-flex; align-items: center; gap: 22px; }
.icd-cta__btn-label { font-family: var(--icd-serif); font-size: clamp(20px, 2vw, 26px); font-weight: 600; letter-spacing: 0.3em; border-bottom: 1px solid var(--icd-ink); padding-bottom: 6px; }
.icd-cta__btn-ring {
  width: 64px; height: 64px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center;
  background: var(--icd-teal); color: var(--icd-cream); font-size: 22px;
  transition: transform 0.35s ease, background 0.3s ease;
}
.icd-cta__btn:hover .icd-cta__btn-ring { transform: translateX(8px); background: var(--icd-teal-deep); }

/* ---------------- 6b. CASE STUDIES ---------------- */
.icd-work { padding: clamp(72px, 9vw, 128px) 0 var(--icd-section); }
.icd-work__head { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; padding-bottom: 28px; border-bottom: 1px solid var(--icd-line); margin-bottom: clamp(48px, 6vw, 88px); }
.icd-work__title { font-family: var(--icd-serif); font-weight: 600; font-size: clamp(32px, 4.2vw, 58px); letter-spacing: 0.14em; color: var(--icd-ink); order: -1; }
.icd-study + .icd-study { margin-top: clamp(80px, 10vw, 150px); }
.icd-study__top { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(28px, 5vw, 80px); align-items: center; }
.icd-study--flip .icd-study__cover { order: 2; }
.icd-study--flip .icd-study__top { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }
.icd-study__cover { position: relative; overflow: hidden; background: var(--icd-paper-2); }
.icd-study__cover img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; transition: transform 0.9s cubic-bezier(.2,.7,.2,1); }
.icd-study__cover:hover img { transform: scale(1.03); }
.icd-study__cover--plan { background: #FFFFFF; border: 1px solid var(--icd-line); }
.icd-study__cover--plan img { object-fit: contain; aspect-ratio: 2 / 1; padding: clamp(12px, 2vw, 28px); }
.icd-study__cover--plan:hover img { transform: none; }
.icd-study__cover figcaption { position: absolute; left: 0; bottom: 0; padding: 8px 16px; background: rgba(250, 247, 241, 0.92); font-size: 12px; letter-spacing: 0.3em; color: var(--icd-ink-soft); }
.icd-study__no { font-family: var(--icd-latin); font-style: italic; font-size: 22px; color: var(--icd-taupe-2); }
.icd-study__name { margin-top: 10px; font-family: var(--icd-serif); font-weight: 600; font-size: clamp(30px, 3.4vw, 46px); line-height: 1.3; letter-spacing: 0.1em; }
.icd-study__name span { display: block; font-size: 0.5em; font-weight: 500; letter-spacing: 0.3em; color: var(--icd-teal); margin-top: 6px; }
.icd-study__facts { margin: 28px 0 0; display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--icd-line); }
.icd-study__facts div { padding: 14px 0; border-bottom: 1px solid var(--icd-line); }
.icd-study__facts div:last-child { grid-column: 1 / -1; }
.icd-study__facts dt { font-size: 12px; letter-spacing: 0.24em; color: var(--icd-taupe-2); }
.icd-study__facts dd { margin: 4px 0 0; font-family: var(--icd-serif); font-size: 17px; letter-spacing: 0.1em; color: var(--icd-ink); }
.icd-study__intro { margin-top: 24px; font-size: 15px; line-height: 2; color: var(--icd-ink-soft); }
.icd-study__gallery { margin-top: clamp(20px, 2.5vw, 32px); display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(10px, 1.5vw, 20px); }
.icd-study__gallery figure { overflow: hidden; background: var(--icd-paper-2); }
.icd-study__gallery img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; transition: transform 0.9s cubic-bezier(.2,.7,.2,1); }
.icd-study__gallery figure:hover img { transform: scale(1.04); }
.icd-study__more { margin-top: clamp(24px, 3vw, 40px); border-top: 1px solid var(--icd-line); border-bottom: 1px solid var(--icd-line); }
.icd-study__more summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; padding: 22px 0; font-family: var(--icd-serif); font-size: 17px; letter-spacing: 0.3em; color: var(--icd-ink); }
.icd-study__more summary::-webkit-details-marker { display: none; }
.icd-study__more summary i { position: relative; width: 18px; height: 18px; }
.icd-study__more summary i::before, .icd-study__more summary i::after { content: ""; position: absolute; left: 0; top: 50%; width: 18px; height: 1px; background: var(--icd-ink); transition: transform 0.3s ease; }
.icd-study__more summary i::after { transform: rotate(90deg); }
.icd-study__more[open] summary i::after { transform: rotate(0deg); }
.icd-study__more summary:hover { color: var(--icd-teal); }
.icd-study__body { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px clamp(32px, 5vw, 72px); padding: 8px 0 40px; }
.icd-study__body h4 { margin: 0 0 12px; font-family: var(--icd-serif); font-weight: 600; font-size: 18px; letter-spacing: 0.14em; color: var(--icd-teal); }
.icd-study__body p { margin: 0 0 10px; font-size: 15px; line-height: 1.95; color: var(--icd-ink-soft); }

/* case studies: space-by-space story cards (photo + space caption + matching write-up text) */
.icd-story__label { margin-top: clamp(40px, 5vw, 64px); padding-bottom: 14px; border-bottom: 1px solid var(--icd-line); display: flex; align-items: baseline; justify-content: space-between; gap: 16px; font-family: var(--icd-serif); font-size: 15px; letter-spacing: 0.4em; color: var(--icd-teal); }
.icd-story__hint { display: none; font-family: var(--icd-label); font-size: 11px; letter-spacing: 0.2em; color: var(--icd-taupe-2); }
.icd-story { margin-top: 24px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(28px, 3vw, 44px) clamp(18px, 2.2vw, 30px); align-items: start; }
.icd-story__card { margin: 0; display: flex; flex-direction: column; min-width: 0; }
.icd-story__img { overflow: hidden; background: var(--icd-paper-2); }
.icd-story__img img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform 0.9s cubic-bezier(.2,.7,.2,1); }
.icd-story__card:hover .icd-story__img img { transform: scale(1.04); }
.icd-story__cap { display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 10px; margin-top: 14px; }
.icd-story__no { font-family: var(--icd-latin); font-style: italic; font-size: 18px; line-height: 1; color: var(--icd-taupe-2); font-variant-numeric: lining-nums; }
.icd-story__space { font-family: var(--icd-serif); font-weight: 600; font-size: 18px; letter-spacing: 0.12em; color: var(--icd-ink); }
.icd-story__note { font-size: 12px; letter-spacing: 0.1em; color: var(--icd-teal); }
.icd-story__card figcaption p { margin-top: 8px; font-size: 14px; line-height: 1.9; color: var(--icd-ink-soft); }
.icd-study__body--single { grid-template-columns: minmax(0, 760px); }
.icd-study__plan { margin: 0 0 8px; max-width: 520px; background: #FFFFFF; border: 1px solid var(--icd-line); padding: 12px 12px 8px; }
.icd-study__plan img { width: 100%; height: auto; }
.icd-study__plan figcaption { margin-top: 6px; font-size: 12px; letter-spacing: 0.3em; color: var(--icd-ink-soft); }

/* ---------------- 8. FOOTER ---------------- */
.icd-footer { background: var(--icd-sand); color: var(--icd-ink); padding: clamp(56px, 7vw, 96px) 0 32px; }
.icd-footer__grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(32px, 5vw, 80px) clamp(32px, 6vw, 96px); }
.icd-footer__brand { display: flex; align-items: center; gap: 24px; }
.icd-footer__logo { width: 120px; height: 120px; border-radius: 50%; flex: 0 0 auto; }
.icd-footer__name { font-family: var(--icd-label); font-size: 12px; font-weight: 600; letter-spacing: 0.2em; line-height: 1.7; }
.icd-footer__name span { display: block; font-family: var(--icd-serif); letter-spacing: 0.3em; font-weight: 500; font-size: 14px; }
.icd-footer__tag { margin-top: 8px; font-family: var(--icd-serif); font-size: 14px; letter-spacing: 0.3em; color: var(--icd-ink-soft); }
.icd-footer__about { grid-column: 1; font-size: 14px; line-height: 2; color: var(--icd-ink-soft); max-width: 460px; }
.icd-footer__contact { grid-column: 2; grid-row: 1 / span 2; margin: 0; display: grid; grid-template-columns: 1fr 1fr; align-content: start; border-top: 1px solid rgba(64, 37, 26, 0.25); }
.icd-footer__contact div { padding: 16px 0; border-bottom: 1px solid rgba(64, 37, 26, 0.25); }
.icd-footer__contact dt { font-size: 12px; letter-spacing: 0.24em; color: var(--icd-ink-soft); }
.icd-footer__contact dd { margin: 4px 0 0; font-family: var(--icd-serif); font-size: 16px; letter-spacing: 0.08em; }
.icd-footer__contact a { border-bottom: 1px solid rgba(64, 37, 26, 0.3); transition: border-color 0.25s ease; }
.icd-footer__contact a:hover { border-color: var(--icd-ink); }
.icd-footer__base { margin-top: clamp(48px, 6vw, 80px); padding-top: 20px; border-top: 1px solid rgba(64, 37, 26, 0.25); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 12px; letter-spacing: 0.3em; color: var(--icd-ink-soft); }

/* ---------------- RESPONSIVE ---------------- */
@media (max-width: 960px) {
  .icd-nav__links { display: none; }
  .icd-hero__grid { grid-template-columns: 1fr; }
  .icd-hero__media { order: -1; margin-right: 22px; }
  .icd-hero__seal { top: auto; bottom: -40px; right: -10px; }
  .icd-hero__copy { padding-top: 24px; }
  .icd-intro__grid, .icd-life__head { grid-template-columns: 1fr; }
  .icd-booking__grid { grid-template-columns: 1fr; }
  .icd-booking__panel { min-height: 0; }
  .icd-booking__img { object-position: center 30%; }
  .icd-booking__panel::after { background: linear-gradient(90deg, rgba(44, 26, 18, 0.88) 0%, rgba(44, 26, 18, 0.55) 100%); }
  .icd-booking__panel-copy { padding: 18px 22px; }
  .icd-booking__panel .icd-eyebrow { display: none; }
  .icd-booking__title { margin-top: 0; font-size: 20px; line-height: 1.4; }
  .icd-booking__title br { display: none; }
  .icd-booking__lead { margin-top: 4px; font-size: 13px; }
  .icd-curve--cta { display: none; }
  .icd-phil__band-inner { grid-template-columns: 1fr; }
  .icd-core, .icd-core--flip { grid-template-columns: 1fr; }
  .icd-core--flip .icd-core__img { order: 0; }
  .icd-cta__grid { grid-template-columns: 1fr; }
  .icd-cta__media img { aspect-ratio: 4 / 3; object-position: center 70%; }
  .icd-study__top, .icd-study--flip .icd-study__top { grid-template-columns: 1fr; }
  .icd-study--flip .icd-study__cover { order: 0; }
  .icd-study__body { grid-template-columns: 1fr; }
  .icd-story { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .icd-footer__grid { grid-template-columns: 1fr; }
  .icd-footer__about, .icd-footer__contact { grid-column: auto; grid-row: auto; }
}
@media (max-width: 720px) {
  .icd-life__grid { grid-template-columns: 1fr; }
  .icd-life__card:nth-child(even) { margin-top: 0; }
  .icd-cases__grid { grid-template-columns: 1fr; }
  /* mobile: horizontal swipe row with CSS scroll-snap (no JS), 2+ photos visible */
  .icd-spatial__grid {
    display: flex; gap: 12px; overflow-x: auto; overscroll-behavior-x: contain;
    scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch; scrollbar-width: none;
    margin-right: calc(-1 * var(--icd-gutter)); padding-right: var(--icd-gutter);
  }
  .icd-spatial__grid::-webkit-scrollbar { display: none; }
  /* case story cards become a horizontal scroll-snap strip on mobile (no JS) */
  .icd-story {
    display: flex; gap: 14px; overflow-x: auto; overscroll-behavior-x: contain; align-items: stretch;
    scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch; scrollbar-width: none;
    margin-right: calc(-1 * var(--icd-gutter)); padding-right: var(--icd-gutter); margin-top: 16px;
  }
  .icd-story::-webkit-scrollbar { display: none; }
  .icd-story__card { flex: 0 0 80%; scroll-snap-align: start; }
  .icd-story__hint { display: inline; }
  .icd-story__card figcaption p { font-size: 13.5px; line-height: 1.85; }
  .icd-spatial__fig { flex: 0 0 44%; scroll-snap-align: start; }
  .icd-spatial__fig--mid { margin-top: 0; }
  .icd-spatial__fig img { aspect-ratio: 330 / 480; }
  .icd-spatial__hint { display: block; margin-bottom: 12px; font-family: var(--icd-label); font-size: 11px; letter-spacing: 0.24em; color: var(--icd-taupe-2); }
  .icd-spatial__head { flex-direction: row; align-items: center; margin-bottom: 28px; }
  .icd-spatial__seal { width: 84px; font-size: 14px; }
}
@media (max-width: 520px) {
  .icd { font-size: 15px; }
  .icd-nav__inner { height: 64px; }
  .icd-nav__cta { padding: 8px 16px; font-size: 13px; }
  .icd-hero__title span + span { padding-left: 0.6em; }
  .icd-hero__tagline { letter-spacing: 0.2em; }
  .icd-hero__strip-inner { letter-spacing: 0.24em; }
  .icd-form { padding: 18px 20px 20px; gap: 12px; }
  .icd-form__row { grid-template-columns: 1fr; gap: 12px; }
  .icd-form__row--pair { grid-template-columns: 1fr 1fr; column-gap: 16px; }
  .icd-field__label { font-size: 12.5px; letter-spacing: 0.04em; }
  .icd-field__input { padding: 4px 0 6px; }
  .icd-form__submit { margin-top: 4px; padding: 14px 18px; letter-spacing: 0.08em; font-size: 14px; }
  .icd-form__submit-line { flex-basis: 20px; }
  .icd-life__cap { grid-template-columns: 48px 1fr; }
  .icd-nav__name { display: none; }
  .icd-nav__brand img { width: 44px; height: 44px; }
  .icd-study__gallery { grid-template-columns: 1fr 1fr; }
  .icd-study__facts dd { font-size: 15px; }
  .icd-footer__contact { grid-template-columns: 1fr; }
  .icd-footer__brand { flex-direction: column; align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  .icd *, .icd *::before, .icd *::after { transition: none !important; }
  html:has(.icd) { scroll-behavior: auto; }
}