/* ==========================================================================
   TrangBang.org — Dew Festival Postcard
   Palette: deep plum (đêm) + cream sương + persimmon LED + honey mật ong + bamboo vỉ tre
   Fonts: DM Serif Display · Manrope · IBM Plex Mono
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=Manrope:wght@300;400;500;600;700;800&family=IBM+Plex+Mono:ital,wght@0,400;0,500;0,600;1,400&display=swap');

:root {
  --ink: #2a1a3a;
  --ink-2: #3d2a52;
  --ink-soft: #5a4870;
  --paper: #fbf5ec;
  --paper-2: #f3e7d2;
  --paper-3: #e9d8b6;
  --persimmon: #c8492c;
  --persimmon-deep: #8e3119;
  --persimmon-soft: #e08566;
  --honey: #d4a843;
  --honey-soft: #e8c971;
  --honey-deep: #a87a25;
  --bamboo: #5a8160;
  --bamboo-deep: #3a5a3c;
  --bamboo-pale: #c5d4c5;
  --led-cyan: #3a9bb5;
  --led-pink: #c44e6e;
  --line: rgba(42, 26, 58, 0.14);
  --line-strong: rgba(42, 26, 58, 0.28);

  --f-serif: 'DM Serif Display', Georgia, 'Times New Roman', serif;
  --f-sans:  'Manrope', system-ui, -apple-system, sans-serif;
  --f-mono:  'IBM Plex Mono', 'SF Mono', Consolas, monospace;

  --container: 1240px;
  --gutter: clamp(20px, 4vw, 56px);
  --radius: 12px;
  --radius-sm: 6px;
  --shadow-sm: 0 1px 2px rgba(42, 26, 58, 0.08);
  --shadow-md: 0 4px 18px rgba(42, 26, 58, 0.12);
  --shadow-lg: 0 14px 40px rgba(42, 26, 58, 0.18);

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }
*::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--f-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: 0; color: inherit; }
h1, h2, h3, h4 { margin: 0; font-family: var(--f-serif); font-weight: 400; line-height: 1.1; letter-spacing: -0.005em; }

.skip-link {
  position: absolute; top: -100px; left: 12px;
  background: var(--ink); color: var(--paper); padding: 12px 18px;
  border-radius: var(--radius-sm); z-index: 100; font-weight: 600;
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 12px; }
:focus-visible { outline: 2px solid var(--persimmon); outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.icon { width: 1em; height: 1em; vertical-align: -0.125em; fill: currentColor; flex: none; }

/* POSTMARK */
.postmark {
  background: var(--ink); color: var(--paper);
  font-family: var(--f-mono); font-size: 11.5px;
  letter-spacing: 0.16em; text-transform: uppercase;
  padding: 9px 0;
  border-bottom: 3px double var(--honey);
}
.postmark__inner {
  max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter);
  display: flex; align-items: center; gap: clamp(14px, 3vw, 36px); flex-wrap: wrap;
}
.postmark__item { display: inline-flex; align-items: center; gap: 9px; opacity: 0.92; white-space: nowrap; }
.postmark__item::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--persimmon); }
.postmark__item:nth-child(2)::before { background: var(--honey); }
.postmark__item:nth-child(3)::before { background: var(--led-cyan); }

/* MASTHEAD */
.masthead {
  background: var(--paper); position: sticky; top: 0; z-index: 50;
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.3s var(--ease);
}
.masthead.is-scrolled { box-shadow: var(--shadow-sm); }
.masthead__inner {
  max-width: var(--container); margin: 0 auto; padding: 14px var(--gutter);
  display: flex; align-items: center; gap: 24px;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.brand__icon { width: 44px; height: 44px; border-radius: 10px; flex: none; }
.brand__name {
  font-family: var(--f-serif); font-size: 24px; font-weight: 400;
  letter-spacing: -0.005em; line-height: 1;
}
.brand__sub {
  font-family: var(--f-mono); font-size: 10.5px; font-weight: 500;
  color: var(--persimmon); letter-spacing: 0.18em; text-transform: uppercase;
  display: block; margin-top: 5px;
}

.nav { display: flex; gap: clamp(16px, 2.5vw, 32px); margin-left: auto; }
.nav a {
  font-size: 14.5px; font-weight: 600; color: var(--ink); padding: 6px 0;
  position: relative; transition: color 0.2s var(--ease);
}
.nav a:hover { color: var(--persimmon); }
.nav a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -2px;
  height: 2px; background: var(--persimmon);
  transition: right 0.3s var(--ease);
}
.nav a:hover::after { right: 0; }

.cta-btn {
  background: var(--persimmon); color: var(--paper);
  font-family: var(--f-sans); font-size: 14px; font-weight: 700;
  padding: 11px 20px; border-radius: 999px;
  display: inline-flex; align-items: center; gap: 8px;
  transition: all 0.25s var(--ease);
  box-shadow: 0 2px 0 var(--persimmon-deep);
}
.cta-btn:hover { background: var(--persimmon-deep); transform: translateY(-1px); box-shadow: 0 4px 0 var(--persimmon-deep); }
.cta-btn:active { transform: translateY(0); box-shadow: 0 1px 0 var(--persimmon-deep); }
.cta-btn .icon { font-size: 16px; }

.hamburger {
  width: 44px; height: 44px; border-radius: 10px;
  background: var(--ink); color: var(--paper);
  display: none; align-items: center; justify-content: center;
  margin-left: auto;
}
.hamburger:hover { background: var(--ink-2); }
.hamburger svg { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 2; }

@media (max-width: 900px) {
  .nav, .masthead .cta-btn { display: none; }
  .hamburger { display: inline-flex; }
}

/* DRAWER */
.drawer {
  position: fixed; inset: 0; z-index: 80;
  background: rgba(42, 26, 58, 0.55);
  backdrop-filter: blur(4px);
  opacity: 0; visibility: hidden;
  transition: opacity 0.3s var(--ease), visibility 0.3s;
}
.drawer.is-open { opacity: 1; visibility: visible; }
.drawer__panel {
  position: absolute; top: 0; right: 0; bottom: 0; width: min(360px, 88vw);
  background: var(--paper); padding: 28px 24px;
  display: flex; flex-direction: column; gap: 18px;
  transform: translateX(100%);
  transition: transform 0.4s var(--ease-out);
  overflow-y: auto;
}
.drawer.is-open .drawer__panel { transform: translateX(0); }
.drawer__close {
  align-self: flex-end; width: 38px; height: 38px;
  border-radius: 50%; background: var(--paper-2);
  display: inline-flex; align-items: center; justify-content: center;
}
.drawer a {
  display: block; padding: 14px 0;
  font-family: var(--f-serif); font-size: 22px; font-weight: 400;
  border-bottom: 1px solid var(--line);
}
.drawer a:hover { color: var(--persimmon); }
.drawer .cta-btn { margin-top: 20px; justify-content: center; }

/* HERO */
.hero {
  position: relative;
  background: var(--ink); color: var(--paper);
  overflow: hidden; isolation: isolate;
}
.hero__bg { position: absolute; inset: 0; z-index: -1; }
.hero__bg img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center 50%;
  filter: brightness(0.78) saturate(1.05);
}
.hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(42,26,58,0.18) 0%, rgba(42,26,58,0.20) 35%, rgba(42,26,58,0.94) 100%),
    linear-gradient(90deg, rgba(42,26,58,0.62) 0%, rgba(42,26,58,0.05) 60%);
}
.hero__content {
  max-width: var(--container); margin: 0 auto;
  padding: clamp(80px, 14vh, 160px) var(--gutter) clamp(60px, 10vh, 110px);
  position: relative;
  min-height: clamp(580px, 86vh, 800px);
  display: flex; flex-direction: column; justify-content: flex-end;
}

.hero__chapter {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--f-mono); font-size: 12px; font-weight: 500;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--honey-soft);
  margin-bottom: 22px; align-self: flex-start;
}
.hero__chapter::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%;
  background: var(--persimmon);
  box-shadow: 0 0 12px rgba(200, 73, 44, 0.7);
}

.hero__title {
  font-family: var(--f-serif);
  font-size: clamp(3.2rem, 9.5vw, 7rem);
  font-weight: 400; line-height: 0.94; letter-spacing: -0.015em;
  margin: 0 0 20px;
  color: var(--paper); max-width: 16ch;
}
.hero__title em { font-style: italic; color: var(--honey-soft); display: block; }

.hero__sub { display: flex; align-items: center; gap: 14px; margin-bottom: 26px; }
.hero__sub-line { width: 50px; height: 2px; background: var(--persimmon-soft); flex: none; }
.hero__sub-text {
  font-family: var(--f-mono); font-size: 12px; font-weight: 500;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: rgba(251, 245, 236, 0.85);
}

.hero__lede {
  font-family: var(--f-serif);
  font-size: clamp(1.1rem, 1.7vw, 1.35rem);
  line-height: 1.5; font-style: italic; font-weight: 400;
  max-width: 56ch;
  color: rgba(251, 245, 236, 0.95);
  margin: 0 0 32px;
}
.hero__lede strong { color: var(--paper); font-style: normal; font-family: var(--f-sans); font-weight: 700; }
.hero__lede em { color: var(--honey-soft); font-style: italic; }

.hero__atlas {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0;
  border: 1px solid rgba(251, 245, 236, 0.22);
  border-radius: 4px; overflow: hidden; max-width: 760px;
  background: rgba(42, 26, 58, 0.55);
  backdrop-filter: blur(8px); position: relative;
}
.hero__atlas::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg,
    var(--persimmon) 0%, var(--honey) 25%, var(--led-cyan) 50%, var(--led-pink) 75%, var(--bamboo) 100%);
}
.hero__cell { padding: 20px 22px; border-right: 1px dashed rgba(251, 245, 236, 0.22); }
.hero__cell:last-child { border-right: 0; }
.hero__cell .num {
  font-family: var(--f-serif); font-size: clamp(1.5rem, 2.6vw, 2rem);
  font-weight: 400; line-height: 1; color: var(--honey-soft); margin-bottom: 6px;
}
.hero__cell .lbl {
  font-family: var(--f-mono); font-size: 10.5px; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(251, 245, 236, 0.78); display: block;
}

@media (max-width: 700px) {
  .hero__atlas { grid-template-columns: repeat(2, 1fr); }
  .hero__cell:nth-child(2) { border-right: 0; }
  .hero__cell:nth-child(1), .hero__cell:nth-child(2) {
    border-bottom: 1px dashed rgba(251, 245, 236, 0.22);
  }
}

/* TICKER */
.ticker {
  background: var(--persimmon); color: var(--paper); overflow: hidden;
  border-top: 1px solid rgba(255,255,255,0.16);
  border-bottom: 1px solid rgba(0,0,0,0.16);
}
.ticker__track { display: flex; gap: 0; animation: ticker 42s linear infinite; padding: 14px 0; }
@keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.ticker__item {
  display: inline-flex; align-items: center; gap: 28px;
  padding: 0 24px; white-space: nowrap;
  font-family: var(--f-serif); font-size: 19px; font-style: italic; font-weight: 400;
}
.ticker__item span:nth-child(even) {
  font-family: var(--f-mono); font-size: 11px; font-weight: 500;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--honey-soft); font-style: normal;
}

/* SECTIONS */
.section { padding: clamp(60px, 9vw, 120px) 0; position: relative; }
.section--paper { background: var(--paper); }
.section--paper-2 { background: var(--paper-2); }
.section--ink { background: var(--ink); color: var(--paper); }
.section--bamboo { background: var(--bamboo-deep); color: var(--paper); }
.section--ink h2, .section--ink h3,
.section--bamboo h2, .section--bamboo h3 { color: var(--paper); }

.chapter-label {
  font-family: var(--f-mono); font-size: 11.5px; font-weight: 600;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--persimmon);
  display: inline-flex; align-items: center; gap: 14px; margin-bottom: 18px;
}
.chapter-label::before, .chapter-label::after { content: ""; width: 28px; height: 1px; background: var(--persimmon); }
.section--ink .chapter-label, .section--bamboo .chapter-label { color: var(--honey-soft); }
.section--ink .chapter-label::before, .section--ink .chapter-label::after,
.section--bamboo .chapter-label::before, .section--bamboo .chapter-label::after { background: var(--honey-soft); }

.section__head { max-width: 800px; margin: 0 auto clamp(40px, 6vw, 64px); text-align: center; }
.section__head--left { margin-left: 0; margin-right: auto; text-align: left; }
.section__head--left .chapter-label::before { display: none; }

.section__title {
  font-family: var(--f-serif);
  font-size: clamp(2.1rem, 4.6vw, 3.5rem);
  font-weight: 400; line-height: 1.06; letter-spacing: -0.015em;
  margin: 0 0 18px;
}
.section__title em { font-style: italic; color: var(--persimmon); }
.section--ink .section__title em, .section--bamboo .section__title em { color: var(--honey-soft); }

.section__lede {
  font-size: 17px; color: var(--ink-soft); line-height: 1.6;
  margin: 0; font-family: var(--f-serif); font-style: italic; font-weight: 400;
}
.section--ink .section__lede, .section--bamboo .section__lede { color: rgba(251, 245, 236, 0.82); }

/* INTRO */
.intro__grid {
  display: grid; grid-template-columns: 1.4fr 1fr;
  gap: clamp(40px, 5vw, 80px); align-items: start;
}
.intro__copy {
  font-family: var(--f-serif); font-size: 18.5px; line-height: 1.7;
  color: var(--ink); font-weight: 400;
}
.intro__copy p:first-child { font-size: 20px; }
.intro__copy p:first-child::first-letter {
  font-family: var(--f-serif); font-size: 5em; font-style: italic;
  color: var(--persimmon); float: left;
  line-height: 0.88; padding: 8px 14px 0 0; margin-top: 4px;
}
.intro__copy p { margin: 0 0 1.2em; }
.intro__copy strong { color: var(--persimmon-deep); font-weight: 700; font-family: var(--f-sans); }
.intro__copy em { color: var(--bamboo-deep); font-style: italic; }

.factsheet {
  background: var(--paper-2); border: 1px solid var(--line-strong);
  border-radius: 4px; padding: 28px 26px; position: relative;
}
.factsheet::before {
  content: ""; position: absolute; inset: 6px;
  border: 1px dashed var(--line-strong); border-radius: 2px; pointer-events: none;
}
.factsheet__inner { position: relative; z-index: 1; }
.factsheet__title {
  font-family: var(--f-mono); font-size: 11px; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--persimmon); margin: 0 0 18px;
  display: inline-flex; align-items: center; gap: 8px;
}
.factsheet__title::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--honey); }
.factsheet dl { margin: 0; display: flex; flex-direction: column; }
.factsheet .row {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 12px 0; border-bottom: 1px dotted var(--line); gap: 16px;
}
.factsheet .row:last-child { border-bottom: 0; }
.factsheet dt {
  font-family: var(--f-mono); font-size: 11px; font-weight: 500;
  color: var(--ink-soft); letter-spacing: 0.08em; text-transform: uppercase; flex: none;
}
.factsheet dd {
  font-family: var(--f-serif); font-size: 16px; font-weight: 400;
  color: var(--ink); margin: 0; text-align: right;
}
.factsheet dd em { font-style: italic; color: var(--persimmon); }

@media (max-width: 900px) { .intro__grid { grid-template-columns: 1fr; } }

/* THESIS GRID */
.thesis__grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0;
  border: 1px solid rgba(251, 245, 236, 0.16);
  border-radius: 6px; overflow: hidden;
}
@media (max-width: 980px) { .thesis__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .thesis__grid { grid-template-columns: 1fr; } }

.thesis-card {
  padding: 32px 28px;
  border-right: 1px solid rgba(251, 245, 236, 0.16);
  border-bottom: 1px solid rgba(251, 245, 236, 0.16);
  background: rgba(251, 245, 236, 0.02);
  transition: background 0.3s var(--ease);
  position: relative;
}
.thesis-card:hover { background: rgba(251, 245, 236, 0.05); }
.thesis__grid > .thesis-card:nth-child(3n) { border-right: 0; }
@media (max-width: 980px) {
  .thesis__grid > .thesis-card { border-right: 1px solid rgba(251, 245, 236, 0.16); }
  .thesis__grid > .thesis-card:nth-child(2n) { border-right: 0; }
  .thesis__grid > .thesis-card:nth-child(3n) { border-right: 1px solid rgba(251, 245, 236, 0.16); }
}
@media (max-width: 640px) { .thesis__grid > .thesis-card { border-right: 0 !important; } }

.thesis-card__head {
  display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px;
}
.thesis-card__num {
  font-family: var(--f-mono); font-size: 11px; font-weight: 500;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: rgba(251, 245, 236, 0.6);
}
.thesis-card__num strong { color: var(--honey-soft); font-weight: 600; margin-right: 8px; }
.thesis-card__chip {
  font-family: var(--f-mono); font-size: 10px; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink); background: var(--honey-soft);
  padding: 4px 10px; border-radius: 3px;
}
.thesis-card__chip--persimmon { background: var(--persimmon); color: var(--paper); }
.thesis-card__chip--bamboo { background: var(--bamboo); color: var(--paper); }
.thesis-card__chip--cyan { background: var(--led-cyan); color: var(--paper); }

.thesis-card__title {
  font-family: var(--f-serif); font-size: clamp(1.4rem, 2.1vw, 1.65rem);
  font-weight: 400; line-height: 1.18; margin-bottom: 14px; color: var(--paper);
}
.thesis-card__title em { font-style: italic; color: var(--honey-soft); }
.thesis-card p {
  font-size: 14.5px; line-height: 1.65;
  color: rgba(251, 245, 236, 0.85); margin: 0;
}

/* ECOSYSTEM SECTION (NEW for TrangBang) */
.ecosystem__grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: clamp(20px, 3vw, 36px);
}
@media (max-width: 900px) { .ecosystem__grid { grid-template-columns: 1fr; } }

.brand-card {
  background: var(--paper);
  border-radius: 14px; overflow: hidden;
  display: flex; flex-direction: column;
  box-shadow: var(--shadow-md);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
  border: 1px solid var(--line);
}
.brand-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.brand-card__cover {
  position: relative; aspect-ratio: 16/10;
  overflow: hidden; background: var(--ink);
}
.brand-card__cover img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s var(--ease);
}
.brand-card:hover .brand-card__cover img { transform: scale(1.04); }
.brand-card__cover::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(42, 26, 58, 0.5) 100%);
}

.brand-card__chip {
  position: absolute; top: 18px; left: 18px; z-index: 2;
  font-family: var(--f-mono); font-size: 10.5px; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  padding: 6px 12px; border-radius: 999px;
  background: var(--persimmon); color: var(--paper);
  display: inline-flex; align-items: center; gap: 6px;
}
.brand-card__chip::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--paper); }
.brand-card__chip--bamboo { background: var(--bamboo); }

.brand-card__body {
  padding: 28px clamp(24px, 3vw, 32px);
  display: flex; flex-direction: column; flex: 1;
}
.brand-card__name {
  font-family: var(--f-serif); font-size: clamp(1.7rem, 2.6vw, 2.1rem);
  font-style: italic; font-weight: 400; line-height: 1.1;
  letter-spacing: -0.01em; margin-bottom: 10px; color: var(--ink);
}
.brand-card__domain {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--f-mono); font-size: 12px; font-weight: 600;
  letter-spacing: 0.06em; color: var(--persimmon);
  background: rgba(200, 73, 44, 0.08);
  padding: 4px 12px; border-radius: 999px;
  align-self: flex-start; margin-bottom: 16px;
  border: 1px solid rgba(200, 73, 44, 0.2);
}
.brand-card--bamboo .brand-card__domain {
  color: var(--bamboo-deep);
  background: rgba(58, 90, 60, 0.08);
  border-color: rgba(58, 90, 60, 0.25);
}
.brand-card__desc {
  font-family: var(--f-serif); font-size: 16.5px;
  line-height: 1.6; color: var(--ink-soft); margin: 0 0 18px;
}
.brand-card__desc strong { color: var(--ink); font-family: var(--f-sans); font-weight: 700; }
.brand-card__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 20px; }
.brand-card__tag {
  font-family: var(--f-mono); font-size: 10.5px; font-weight: 500;
  letter-spacing: 0.06em; color: var(--ink-soft);
  background: var(--paper-2); padding: 4px 10px; border-radius: 4px;
}
.brand-card__cta {
  margin-top: auto;
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--f-sans); font-size: 14px; font-weight: 700;
  color: var(--persimmon); align-self: flex-start;
  border-bottom: 1px solid var(--persimmon);
  padding: 6px 0; transition: gap 0.25s var(--ease);
}
.brand-card__cta:hover { gap: 12px; }
.brand-card--bamboo .brand-card__cta { color: var(--bamboo-deep); border-bottom-color: var(--bamboo-deep); }

/* ALBUM */
.album__grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 14px; }
.album__tile {
  position: relative; border-radius: 6px; overflow: hidden;
  aspect-ratio: 4/3; background: var(--ink); isolation: isolate;
  transition: transform 0.3s var(--ease); display: block;
}
.album__tile:hover { transform: translateY(-3px); }
.album__tile img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s var(--ease);
}
.album__tile:hover img { transform: scale(1.04); }
.album__tile::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(42, 26, 58, 0.85) 100%);
  pointer-events: none;
}
.album__caption { position: absolute; left: 0; right: 0; bottom: 0; padding: 18px 20px; z-index: 2; color: var(--paper); }
.album__caption .num {
  font-family: var(--f-mono); font-size: 10.5px; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--honey-soft); display: block; margin-bottom: 4px;
}
.album__caption .name {
  font-family: var(--f-serif); font-size: 18px; font-weight: 400; line-height: 1.25;
}

.tile-1 { grid-column: span 8; aspect-ratio: 16/9; }
.tile-2 { grid-column: span 4; aspect-ratio: 3/4; }
.tile-3 { grid-column: span 4; aspect-ratio: 4/5; }
.tile-4 { grid-column: span 4; aspect-ratio: 4/5; }
.tile-5 { grid-column: span 4; aspect-ratio: 4/5; }
.tile-6 { grid-column: span 6; aspect-ratio: 16/10; }
.tile-7 { grid-column: span 6; aspect-ratio: 16/10; }
.tile-8 { grid-column: span 4; aspect-ratio: 4/3; }
.tile-9 { grid-column: span 4; aspect-ratio: 4/3; }
.tile-10 { grid-column: span 4; aspect-ratio: 4/3; }

@media (max-width: 900px) {
  .album__grid { gap: 10px; }
  .tile-1, .tile-2 { grid-column: span 12; aspect-ratio: 16/9; }
  .tile-3, .tile-4, .tile-5 { grid-column: span 6; aspect-ratio: 4/5; }
  .tile-6, .tile-7 { grid-column: span 12; aspect-ratio: 16/10; }
  .tile-8, .tile-9, .tile-10 { grid-column: span 6; aspect-ratio: 4/3; }
}
@media (max-width: 600px) {
  .tile-3, .tile-4, .tile-5,
  .tile-8, .tile-9, .tile-10 { grid-column: span 12; aspect-ratio: 16/10; }
}

/* MODEL */
.model { background: var(--ink); color: var(--paper); position: relative; overflow: hidden; }
.model::before {
  content: ""; position: absolute; top: -100px; right: -100px;
  width: 360px; height: 360px; border-radius: 50%;
  background: radial-gradient(circle, rgba(200, 73, 44, 0.18), transparent 65%);
  filter: blur(20px); pointer-events: none;
}
.model__intro {
  display: grid; grid-template-columns: 1.4fr 1fr;
  gap: clamp(36px, 5vw, 64px); margin-bottom: clamp(40px, 6vw, 60px);
}
@media (max-width: 900px) { .model__intro { grid-template-columns: 1fr; } }

.model__copy h3 {
  font-family: var(--f-serif); font-size: clamp(1.7rem, 3vw, 2.3rem);
  font-weight: 400; line-height: 1.12; letter-spacing: -0.01em;
  margin: 0 0 18px; color: var(--paper);
}
.model__copy h3 em { font-style: italic; color: var(--honey-soft); }
.model__copy p {
  font-size: 16.5px; line-height: 1.75;
  color: rgba(251, 245, 236, 0.92); margin: 0 0 1em;
  font-family: var(--f-serif); font-weight: 400;
}
.model__copy p strong { color: var(--persimmon-soft); font-weight: 700; font-family: var(--f-sans); }
.model__copy p em { color: var(--honey-soft); font-style: italic; }

.model__factsheet {
  background: rgba(251, 245, 236, 0.04);
  border: 1px solid rgba(251, 245, 236, 0.16);
  border-radius: 6px; padding: 26px; position: relative;
}
.model__factsheet::before {
  content: ""; position: absolute; inset: 6px;
  border: 1px dashed rgba(251, 245, 236, 0.16);
  border-radius: 4px; pointer-events: none;
}
.model__factsheet h3 {
  font-family: var(--f-mono); font-size: 11px; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--honey-soft); margin: 0 0 18px;
  display: inline-flex; align-items: center; gap: 8px;
  position: relative; z-index: 1;
}
.model__factsheet h3::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--persimmon); }
.model__factsheet dl { margin: 0; display: flex; flex-direction: column; position: relative; z-index: 1; }
.model__factsheet .row {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 12px 0; border-bottom: 1px dotted rgba(251, 245, 236, 0.18); gap: 14px;
}
.model__factsheet .row:last-child { border-bottom: 0; }
.model__factsheet dt {
  font-family: var(--f-mono); font-size: 11px; font-weight: 500;
  color: rgba(251, 245, 236, 0.65);
  letter-spacing: 0.06em; text-transform: uppercase; flex: none;
}
.model__factsheet dd {
  font-family: var(--f-serif); font-size: 15.5px; font-weight: 400;
  color: var(--paper); margin: 0; text-align: right;
}
.model__factsheet dd em { color: var(--persimmon-soft); font-style: italic; }

.model__pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 800px) { .model__pillars { grid-template-columns: 1fr; } }
.pillar {
  padding: 28px 26px;
  background: rgba(251, 245, 236, 0.03);
  border: 1px solid rgba(251, 245, 236, 0.14);
  border-radius: 6px;
}
.pillar__num {
  font-family: var(--f-serif); font-size: 52px; font-weight: 400;
  font-style: italic; color: var(--honey-soft);
  line-height: 1; margin-bottom: 8px;
}
.pillar h3 {
  font-family: var(--f-serif); font-size: 21px; font-weight: 400;
  margin: 0 0 10px; color: var(--paper);
}
.pillar p {
  font-size: 14.5px; line-height: 1.65;
  color: rgba(251, 245, 236, 0.85); margin: 0;
}

/* FAQ */
.faq__list { max-width: 880px; margin: 0 auto; }
.faq__item { border-bottom: 1px solid var(--line); padding: 4px 0; }
.faq__item[open] { background: var(--paper); }
.faq__q {
  font-family: var(--f-serif); font-size: clamp(1.1rem, 1.9vw, 1.3rem);
  font-weight: 400; line-height: 1.35;
  padding: 22px 56px 22px 0;
  cursor: pointer; position: relative; list-style: none;
  color: var(--ink); transition: color 0.2s var(--ease);
}
.faq__q::-webkit-details-marker { display: none; }
.faq__q::after {
  content: "+"; position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  width: 32px; height: 32px; border-radius: 50%; background: var(--paper);
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--f-mono); font-size: 18px; font-weight: 400;
  color: var(--ink); transition: transform 0.3s var(--ease), background 0.2s;
  border: 1px solid var(--line);
}
.faq__item[open] .faq__q::after { content: "−"; background: var(--persimmon); color: var(--paper); border-color: var(--persimmon); }
.faq__q:hover { color: var(--persimmon); }
.faq__a {
  padding: 0 0 22px;
  font-family: var(--f-serif); font-size: 16.5px; line-height: 1.7;
  color: var(--ink-soft); font-weight: 400;
}
.faq__a p { margin: 0 0 0.8em; }
.faq__a p:last-child { margin: 0; }
.faq__a strong { color: var(--persimmon-deep); font-weight: 700; font-family: var(--f-sans); }
.faq__a a {
  color: var(--persimmon); border-bottom: 1px solid var(--persimmon);
  font-weight: 500; transition: opacity 0.2s;
}
.faq__a a:hover { opacity: 0.7; }

/* CTA PANEL */
.cta-panel {
  background: var(--ink); color: var(--paper);
  border-radius: clamp(8px, 1.5vw, 14px);
  padding: clamp(50px, 7vw, 90px) clamp(32px, 5vw, 64px);
  position: relative; overflow: hidden; isolation: isolate;
}
.cta-panel::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(circle at 20% 30%, rgba(58, 155, 181, 0.16), transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(200, 73, 44, 0.18), transparent 50%);
}
.cta-panel__content { max-width: 740px; position: relative; z-index: 1; }
.cta-panel__chapter {
  font-family: var(--f-mono); font-size: 11.5px; font-weight: 500;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--honey-soft);
  display: inline-flex; align-items: center; gap: 12px; margin-bottom: 16px;
}
.cta-panel__chapter::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--persimmon); }
.cta-panel__title {
  font-family: var(--f-serif);
  font-size: clamp(2rem, 4.6vw, 3.4rem);
  font-weight: 400; line-height: 1.08; letter-spacing: -0.012em;
  margin: 0 0 22px; color: var(--paper);
}
.cta-panel__title em { font-style: italic; color: var(--persimmon-soft); }
.cta-panel p {
  font-family: var(--f-serif); font-size: 17.5px; line-height: 1.65;
  color: rgba(251, 245, 236, 0.88); margin: 0 0 1em; font-weight: 400;
}
.cta-panel p:last-of-type { margin-bottom: 32px; }
.cta-panel p strong { color: var(--honey-soft); font-weight: 700; font-family: var(--f-sans); }
.cta-panel__buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.cta-panel .cta-btn { font-size: 16px; padding: 15px 28px; }
.cta-panel .cta-btn--ghost {
  background: transparent; color: var(--paper);
  border: 1px solid rgba(251, 245, 236, 0.4); box-shadow: none;
}
.cta-panel .cta-btn--ghost:hover {
  background: rgba(251, 245, 236, 0.08);
  border-color: rgba(251, 245, 236, 0.6); box-shadow: none;
}

.cta-panel__stamp {
  position: absolute; top: 32px; right: -60px;
  transform: rotate(15deg);
  font-family: var(--f-mono); font-size: 12px; font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--honey-soft); border: 2px solid var(--honey-soft);
  padding: 12px 70px; opacity: 0.85; pointer-events: none;
}
@media (max-width: 700px) { .cta-panel__stamp { display: none; } }

/* FOOTER */
.footer {
  background: var(--ink); color: rgba(251, 245, 236, 0.7);
  padding: clamp(50px, 6vw, 70px) 0 30px;
  border-top: 4px double var(--honey);
}
.footer__grid {
  display: grid; grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: 40px; margin-bottom: 40px;
}
@media (max-width: 800px) { .footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px) { .footer__grid { grid-template-columns: 1fr; } }

.footer__brand {
  font-family: var(--f-serif); font-size: 28px; font-style: italic;
  font-weight: 400; color: var(--paper); margin-bottom: 12px;
}
.footer__about {
  font-family: var(--f-serif); font-size: 15px; line-height: 1.65; font-weight: 400;
}
.footer__col h4 {
  font-family: var(--f-mono); font-size: 11px; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--honey-soft); margin: 0 0 14px;
}
.footer__col ul { list-style: none; padding: 0; margin: 0; }
.footer__col li { padding: 5px 0; }
.footer__col a { font-size: 14.5px; transition: color 0.2s; }
.footer__col a:hover { color: var(--persimmon-soft); }

.footer__bottom {
  border-top: 1px solid rgba(251, 245, 236, 0.1);
  padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
  flex-wrap: wrap;
  font-family: var(--f-mono); font-size: 11px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: rgba(251, 245, 236, 0.5);
}
.footer__bottom a:hover { color: var(--persimmon-soft); }

/* BOTTOM NAV */
.bottom-nav {
  display: none;
  position: fixed; left: 12px; right: 12px; bottom: 12px;
  z-index: 70; background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: 999px; padding: 8px;
  box-shadow: var(--shadow-md);
}
.bottom-nav__inner { display: grid; grid-template-columns: repeat(5, 1fr); gap: 4px; }
.bottom-nav a {
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  padding: 7px 4px;
  font-family: var(--f-mono); font-size: 9.5px; font-weight: 500;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--ink-soft); border-radius: 999px;
  transition: all 0.2s var(--ease); position: relative;
}
.bottom-nav a svg { width: 18px; height: 18px; }
.bottom-nav a.is-active { background: var(--ink); color: var(--paper); }
.bottom-nav a.is-active::after {
  content: ""; position: absolute; top: 5px; right: 7px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--honey-soft);
}

@media (max-width: 700px) {
  .bottom-nav { display: block; }
  body { padding-bottom: 84px; }
}

/* REVEAL */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out); }
.reveal.is-in { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}