:root {
  --ink: #15130f;
  --coal: #1c1915;
  --paper: #ede9df;
  --cream: #f7f2e7;
  --muted: #a8a092;
  --fire: #ef6125;
  --ember: #ff9b3d;
  --line: rgba(255, 255, 255, 0.14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--ink); color: var(--cream); font-family: Arial, Helvetica, sans-serif; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.shell { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }

.site-header { position: absolute; z-index: 20; top: 0; left: 50%; transform: translateX(-50%); width: min(1280px, calc(100% - 48px)); height: 94px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(255,255,255,.2); }
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: 210px; }
.brand-image-wrap { width: 46px; height: 46px; display: grid; place-items: center; position: relative; }
.brand-image { position: relative; z-index: 2; width: 46px; height: 46px; object-fit: contain; }
.fallback-mark { position: absolute; inset: 0; border: 1px solid var(--fire); display: grid; place-items: center; transform: rotate(45deg); color: var(--fire); }
.fallback-mark span { transform: rotate(-45deg); font: 700 20px/1 Georgia, serif; }
.brand-image[src="/assets/logo.png"] + .fallback-mark { z-index: 1; }
.brand-copy { display: grid; gap: 2px; }
.brand-copy strong { font: 700 17px/1 Georgia, serif; letter-spacing: .11em; }
.brand-copy small { color: #beb6a9; font-size: 8px; letter-spacing: .35em; }
.desktop-nav { display: flex; align-items: center; gap: 38px; }
.desktop-nav a { color: #d9d3c9; font-size: 12px; text-transform: uppercase; letter-spacing: .16em; transition: color .2s; }
.desktop-nav a:hover { color: var(--fire); }
.header-cta { display: inline-flex; align-items: center; gap: 22px; padding: 13px 18px; border: 1px solid rgba(255,255,255,.45); font-size: 11px; text-transform: uppercase; letter-spacing: .14em; }
.header-cta span { color: var(--fire); font-size: 16px; }

.hero { min-height: 790px; height: 100svh; max-height: 980px; position: relative; overflow: hidden; display: flex; align-items: center; }
.hero-media, .hero-shade { position: absolute; inset: 0; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-shade { background: linear-gradient(90deg, rgba(14,12,9,.96) 0%, rgba(14,12,9,.78) 42%, rgba(14,12,9,.25) 72%, rgba(14,12,9,.42) 100%), linear-gradient(0deg, rgba(14,12,9,.72), transparent 45%); }
.hero-content { position: relative; z-index: 3; padding-top: 72px; }
.kicker, .eyebrow { color: var(--fire); font-size: 11px; font-weight: 700; letter-spacing: .26em; text-transform: uppercase; }
.kicker { display: flex; align-items: center; gap: 12px; }
.kicker span { width: 30px; height: 1px; background: var(--fire); }
h1, h2, blockquote { font-family: Georgia, 'Times New Roman', serif; font-weight: 400; }
h1 { max-width: 840px; margin: 26px 0 25px; font-size: clamp(62px, 7.4vw, 112px); line-height: .86; letter-spacing: -.055em; text-transform: uppercase; }
h1 em, h2 em { color: var(--fire); font-weight: 400; }
.hero-copy { max-width: 570px; color: #c9c2b8; font-size: 17px; line-height: 1.75; }
.hero-actions { display: flex; align-items: center; gap: 34px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: space-between; min-width: 200px; gap: 28px; padding: 17px 21px; font-size: 11px; letter-spacing: .14em; text-transform: uppercase; transition: transform .2s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button-fire { background: var(--fire); color: #fff; }
.button-fire:hover { background: #ff7134; }
.text-link { color: #e9e2d8; border-bottom: 1px solid rgba(255,255,255,.4); padding-bottom: 5px; font-size: 12px; letter-spacing: .11em; text-transform: uppercase; }
.text-link span { color: var(--fire); margin-left: 8px; }
.hero-rail { position: absolute; z-index: 4; bottom: 0; left: 50%; transform: translateX(-50%); width: min(1180px, calc(100% - 48px)); height: 74px; display: flex; align-items: center; justify-content: center; gap: 24px; border-top: 1px solid rgba(255,255,255,.17); color: #b9b0a4; font-size: 9px; letter-spacing: .34em; }
.hero-rail i { width: 4px; height: 4px; border-radius: 50%; background: var(--fire); }
.ember { position: absolute; z-index: 2; width: 5px; height: 5px; background: var(--ember); border-radius: 50%; box-shadow: 0 0 14px 4px rgba(255,124,38,.6); opacity: .5; animation: drift 5s ease-in-out infinite; }
.ember-one { right: 22%; bottom: 23%; }
.ember-two { right: 38%; bottom: 13%; animation-delay: -2s; transform: scale(.6); }
@keyframes drift { 50% { transform: translateY(-24px) translateX(8px); opacity: .9; } }

.intro-section { background: var(--paper); color: var(--ink); padding: 126px 0; }
.intro-grid { display: grid; grid-template-columns: 170px 1fr 310px; gap: 60px; align-items: start; }
.section-label { display: flex; align-items: center; gap: 14px; color: #746e64; font-size: 9px; font-weight: 700; letter-spacing: .22em; }
.section-label span { color: var(--fire); font-size: 11px; }
.intro-main h2, .modes-section h2, .indonesia-section h2, .guide-section h2, .faq-section h2 { margin: 15px 0 25px; font-size: clamp(44px, 5vw, 72px); line-height: .98; letter-spacing: -.045em; }
.body-large { max-width: 670px; margin: 0; color: #655f56; font-size: 17px; line-height: 1.8; }
.history-card { border-top: 3px solid var(--fire); padding: 18px 0; }
.history-year { display: block; color: var(--fire); font: 400 48px/1 Georgia, serif; }
.history-card p { color: #5e584f; font-size: 13px; line-height: 1.7; }
.history-rule { height: 1px; background: #cac4b9; margin: 22px 0; }
.history-card small { color: #8a8378; font-size: 8px; letter-spacing: .2em; }

.modes-section { background: #191714; padding: 124px 0; }
.section-heading-row { display: flex; align-items: end; justify-content: space-between; gap: 60px; }
.section-heading-row > p { max-width: 370px; color: var(--muted); font-size: 14px; line-height: 1.7; margin-bottom: 35px; }
.mode-grid { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 54px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.mode-card { position: relative; min-height: 390px; padding: 25px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background .25s, transform .25s; overflow: hidden; }
.mode-card:hover { background: #241f1a; transform: translateY(-4px); }
.mode-card::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: var(--fire); transform: scaleX(0); transform-origin: left; transition: transform .25s; }
.mode-card:hover::after { transform: scaleX(1); }
.mode-top { display: flex; align-items: center; justify-content: space-between; color: #817b71; font-size: 10px; letter-spacing: .18em; }
.mode-top span { color: var(--fire); }
.mode-icon { height: 120px; display: grid; place-items: center; }
.mode-icon span { width: 56px; height: 56px; border: 1px solid #74695c; border-radius: 50%; position: relative; }
.mode-icon span::before, .mode-icon span::after { content: ''; position: absolute; background: var(--fire); }
.mode-01 span::before { width: 1px; height: 76px; left: 27px; top: -10px; transform: rotate(42deg); }
.mode-01 span::after { width: 76px; height: 1px; left: -10px; top: 27px; transform: rotate(42deg); }
.mode-02 span { border-radius: 55% 45% 54% 46%; transform: rotate(45deg); }
.mode-02 span::before { width: 24px; height: 38px; border-radius: 50% 0 50% 50%; left: 14px; top: 8px; background: transparent; border: 1px solid var(--fire); }
.mode-03 span { border-radius: 6px 6px 24px 24px; }
.mode-03 span::before { width: 38px; height: 1px; left: 8px; top: 18px; box-shadow: 0 10px 0 var(--fire), 0 20px 0 var(--fire); }
.mode-04 span::before { width: 18px; height: 32px; border-radius: 50% 0 50% 50%; left: 19px; top: 11px; transform: rotate(-45deg); }
.mode-card h3 { margin: 0 0 12px; font: 400 31px/1 Georgia, serif; }
.mode-card p { margin: 0; color: #a59e93; font-size: 13px; line-height: 1.7; }

.indonesia-section { background: #c94c1f; color: #fff5e8; padding: 0; overflow: hidden; }
.indonesia-grid { display: grid; grid-template-columns: 1.05fr .95fr; min-height: 700px; }
.indo-copy { padding: 115px 80px 100px 0; }
.indonesia-section .eyebrow { color: #2a160e; }
.indonesia-section h2 em { color: #2b160e; }
.indo-copy > p:not(.eyebrow) { max-width: 560px; color: #f2c9b7; line-height: 1.75; }
.dish-list { list-style: none; padding: 0; margin: 52px 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid rgba(255,255,255,.25); }
.dish-list li { padding: 18px 6px; border-bottom: 1px solid rgba(255,255,255,.25); font-size: 13px; }
.dish-list li:nth-child(odd) { border-right: 1px solid rgba(255,255,255,.25); }
.dish-list span { display: inline-block; color: #431f12; font-size: 9px; margin-right: 14px; }
.temperature-panel { background: #181512; position: relative; display: grid; align-content: center; justify-items: center; padding: 90px; }
.temperature-panel::before { content: ''; position: absolute; inset: 0; opacity: .12; background-image: repeating-radial-gradient(circle at 50% 48%, transparent 0 28px, #fff 29px 30px); }
.temp-ring { position: relative; z-index: 1; width: 330px; height: 330px; display: grid; place-items: center; border-radius: 50%; border: 1px solid rgba(255,255,255,.15); box-shadow: inset 0 0 90px rgba(239,97,37,.18), 0 0 0 25px rgba(255,255,255,.025), 0 0 0 50px rgba(255,255,255,.018); }
.temp-ring::before { content: ''; position: absolute; inset: 18px; border-radius: 50%; border: 2px dashed rgba(239,97,37,.45); }
.temp-ring div { text-align: center; }
.temp-ring strong { display: block; font: 400 82px/1 Georgia, serif; }
.temp-ring small { color: var(--fire); font-size: 8px; letter-spacing: .25em; line-height: 1.6; }
.fuel-note { position: relative; z-index: 1; width: 100%; margin-top: 80px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.17); }
.fuel-note span { color: var(--fire); font-size: 9px; text-transform: uppercase; letter-spacing: .2em; }
.fuel-note strong { display: block; margin-top: 9px; font: 400 25px/1.2 Georgia, serif; }
.fuel-note p { color: #9e968a; font-size: 12px; line-height: 1.6; }

.guide-section { background: var(--paper); color: var(--ink); padding: 125px 0; }
.guide-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 110px; }
.guide-intro > p { color: #676158; max-width: 460px; line-height: 1.75; }
.steps-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid #c8c1b6; }
.steps-list li { display: grid; grid-template-columns: 70px 1fr; gap: 26px; padding: 27px 0; border-bottom: 1px solid #c8c1b6; }
.step-number { color: var(--fire); font: 400 28px/1 Georgia, serif; }
.steps-list h3 { margin: 0 0 8px; font: 400 25px/1.2 Georgia, serif; }
.steps-list p { margin: 0; color: #6b655c; font-size: 13px; line-height: 1.7; }

.manifesto-section { background: linear-gradient(135deg, #1d1915, #0d0c0a); padding: 120px 0; position: relative; overflow: hidden; }
.manifesto-section::after { content: '火'; position: absolute; right: 5%; top: -25%; color: rgba(239,97,37,.06); font: 400 460px/1 Georgia, serif; }
.manifesto { position: relative; z-index: 1; text-align: center; }
.manifesto-kicker { color: var(--fire); font-size: 9px; letter-spacing: .3em; }
blockquote { max-width: 920px; margin: 26px auto 38px; font-size: clamp(37px, 5vw, 65px); line-height: 1.12; letter-spacing: -.03em; }
.button-outline { border: 1px solid rgba(255,255,255,.35); }

.faq-section { background: #eee9df; color: var(--ink); padding: 120px 0; }
.faq-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 110px; }
.faq-list { border-top: 1px solid #c8c1b6; }
details { border-bottom: 1px solid #c8c1b6; }
summary { cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 24px 0; font: 400 20px/1.3 Georgia, serif; }
summary::-webkit-details-marker { display: none; }
summary i { width: 28px; height: 28px; display: grid; place-items: center; flex: none; border: 1px solid #aaa298; border-radius: 50%; color: var(--fire); font: normal 18px/1 Arial; transition: transform .2s; }
details[open] summary i { transform: rotate(45deg); }
details p { max-width: 650px; margin: -4px 46px 24px 0; color: #6c665c; font-size: 13px; line-height: 1.75; }

footer { background: #0f0e0c; padding: 66px 0 25px; }
.footer-top { display: flex; align-items: center; justify-content: space-between; gap: 50px; padding-bottom: 55px; }
.footer-top p { color: #989086; font: 400 19px/1.5 Georgia, serif; }
.back-top { width: 48px; height: 48px; border: 1px solid rgba(255,255,255,.2); display: grid; place-items: center; color: var(--fire); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.12); color: #6f6961; font-size: 8px; letter-spacing: .13em; text-transform: uppercase; }

@media (max-width: 900px) {
  .desktop-nav { display: none; }
  .site-header { height: 82px; }
  .hero { min-height: 760px; }
  .hero-shade { background: linear-gradient(90deg, rgba(14,12,9,.94), rgba(14,12,9,.58)), linear-gradient(0deg, rgba(14,12,9,.8), transparent 50%); }
  .intro-grid { grid-template-columns: 1fr; gap: 38px; }
  .section-label { margin-bottom: 5px; }
  .history-card { max-width: 480px; }
  .mode-grid { grid-template-columns: 1fr 1fr; }
  .section-heading-row { align-items: start; flex-direction: column; gap: 0; }
  .indonesia-grid { grid-template-columns: 1fr; }
  .indo-copy { padding-right: 0; }
  .temperature-panel { min-height: 650px; margin-inline: -24px; }
  .guide-grid, .faq-grid { grid-template-columns: 1fr; gap: 60px; }
}

@media (max-width: 600px) {
  .shell { width: min(100% - 32px, 1180px); }
  .site-header { width: calc(100% - 32px); }
  .brand { min-width: 0; }
  .brand-image-wrap { width: 38px; height: 38px; }
  .brand-image { width: 38px; height: 38px; }
  .brand-copy strong { font-size: 14px; }
  .header-cta { min-width: 44px; width: 44px; height: 44px; padding: 0; justify-content: center; font-size: 0; }
  .header-cta span { font-size: 17px; }
  .hero { min-height: 730px; align-items: flex-end; padding-bottom: 100px; }
  .hero-content { padding-top: 90px; }
  h1 { font-size: clamp(48px, 15.6vw, 74px); }
  .hero-copy { font-size: 15px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 22px; }
  .hero-rail { width: calc(100% - 32px); gap: 10px; justify-content: space-between; }
  .hero-rail i { display: none; }
  .intro-section, .modes-section, .guide-section, .faq-section { padding: 86px 0; }
  .intro-main h2, .modes-section h2, .indonesia-section h2, .guide-section h2, .faq-section h2 { font-size: 43px; }
  .mode-grid { grid-template-columns: 1fr; }
  .mode-card { min-height: 320px; }
  .indo-copy { padding: 88px 0 80px; }
  .dish-list { grid-template-columns: 1fr; }
  .dish-list li:nth-child(odd) { border-right: 0; }
  .temperature-panel { padding: 70px 24px; min-height: 590px; }
  .temp-ring { width: 260px; height: 260px; }
  .temp-ring strong { font-size: 65px; }
  .guide-grid, .faq-grid { gap: 42px; }
  .steps-list li { grid-template-columns: 48px 1fr; gap: 15px; }
  .manifesto-section { padding: 88px 0; }
  blockquote { font-size: 38px; }
  .footer-top { align-items: flex-start; flex-direction: column; gap: 30px; }
  .footer-bottom { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ember { animation: none; }
  * { transition-duration: .01ms !important; }
}