/* =========================================================
   MOL Indonesia — staging rebuild
   Design language referenced from www.mol.co.jp/en
   Static stylesheet. No frameworks, no plugins.
   ========================================================= */

:root {
  /* MOL brand palette (from mol.co.jp) */
  --blue: #005396;
  --blue-dark: #003d70;
  --blue-deep: #002a4d;
  --cyan: #00a0dc;
  --blue-soft: #d9e9ee;
  --ink: #1b1b1b;
  --body: #5d5d5d;
  --muted: #8a8f96;
  --line: #e2e2e2;
  --line-strong: #c4c4c4;
  --white: #ffffff;
  --bg-alt: #f2f2ef;

  --font-body: "Noto Sans", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-head: "Montserrat", "Noto Sans", "Segoe UI", system-ui, sans-serif;
  --container: 1200px;

  --shadow: 0 20px 50px -30px rgba(0, 42, 77, 0.4);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  color: var(--body);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
picture { display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; font-family: var(--font-head); color: var(--ink); line-height: 1.25; font-weight: 600; letter-spacing: 0.01em; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
address { font-style: normal; }

.container { width: min(100% - 3rem, var(--container)); margin-inline: auto; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }

.skip-link { position: absolute; left: 1rem; top: -60px; z-index: 200; background: var(--blue); color: #fff; padding: 0.6rem 1rem; transition: top 0.2s ease; }
.skip-link:focus { top: 1rem; }

/* ---------- Buttons (squared, understated) ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.6rem;
  padding: 1rem 1.9rem;
  font-family: var(--font-head);
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase;
  border: 1px solid transparent; border-radius: 0; cursor: pointer; white-space: nowrap;
  transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}
.btn-sm { padding: 0.62rem 1.15rem; font-size: 0.68rem; letter-spacing: 0.1em; }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-dark); }
.btn-outline { border-color: var(--blue); color: var(--blue); background: transparent; }
.btn-outline:hover { background: var(--blue); color: #fff; }
.btn-light { background: #fff; color: var(--blue); }
.btn-light:hover { background: var(--cyan); color: #fff; }
.btn-view { border-color: #fff; color: #fff; background: rgba(255, 255, 255, 0.04); line-height: 1.25; }
.btn-view:hover { background: #fff; color: var(--blue); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: saturate(160%) blur(8px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.3s ease;
}
.site-header.scrolled { box-shadow: 0 12px 30px -24px rgba(0, 42, 77, 0.6); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 78px; }
.brand { display: inline-flex; align-items: center; gap: 0.7rem; }
.brand img { width: 120px; height: auto; }
.brand-group { display: flex; align-items: center; gap: 0.9rem; }
.brand-blue img { width: 48px; height: auto; }
.brand-sub { font-family: var(--font-head); font-weight: 500; font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink); border-left: 1px solid var(--line); padding-left: 0.75rem; transition: color 0.15s ease; }
.brand:hover .brand-sub { color: var(--blue); }

.nav-list { display: flex; align-items: center; gap: 0; }
.nav-list a {
  position: relative; display: inline-block; padding: 0.5rem 0.7rem;
  font-family: var(--font-head); font-size: 0.68rem; font-weight: 600; letter-spacing: 0.03em; text-transform: uppercase; color: var(--ink); white-space: nowrap;
  transition: color 0.2s ease;
}
.nav-list a::after { content: ""; position: absolute; left: 0.7rem; right: 0.7rem; bottom: 0.15rem; height: 2px; background: var(--cyan); transform: scaleX(0); transform-origin: left; transition: transform 0.3s var(--ease); }
.nav-list a:hover { color: var(--blue); }
.nav-list a.active { color: var(--blue); }
.nav-list a:hover::after, .nav-list a.active::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: 0.8rem; }
.nav-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line); background: #fff; cursor: pointer; padding: 0; position: relative; }
.nav-toggle span { position: absolute; left: 50%; top: 50%; width: 20px; height: 2px; background: var(--ink); transform: translate(-50%, -50%); transition: transform 0.28s var(--ease), opacity 0.2s ease; }
.nav-toggle span:nth-child(1) { transform: translate(-50%, calc(-50% - 6px)); }
.nav-toggle span:nth-child(3) { transform: translate(-50%, calc(-50% + 6px)); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translate(-50%, -50%) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translate(-50%, -50%) rotate(-45deg); }

/* ---------- Hero slider ---------- */
.hero { position: relative; height: clamp(600px, 94vh, 980px); overflow: hidden; background: var(--blue-deep); }
.hero-slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity 1.1s ease, visibility 1.1s; }
.hero-slide.is-active { opacity: 1; visibility: visible; }
.hero-media { position: absolute; inset: 0; background-image: var(--bg-jpg); background-image: image-set(var(--bg-webp) type("image/webp"), var(--bg-jpg) type("image/jpeg")); background-size: cover; background-position: center; transform: scale(1.06); transition: transform 7s linear; }
.hero-slide.is-active .hero-media { transform: scale(1); }
.hero-slide::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0, 30, 55, 0.82) 0%, rgba(0, 42, 77, 0.5) 45%, rgba(0, 42, 77, 0.12) 100%); }
.hero-caption { position: relative; z-index: 2; height: 100%; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; color: #fff; padding: 4rem 0; }
.hero-caption h1 { color: #fff; font-size: clamp(1.8rem, 4.2vw, 3.2rem); font-weight: 600; line-height: 1.2; max-width: 20ch; }
.hero-caption .eyebrow { color: var(--cyan); }
.hero-lead { margin-top: 1rem; max-width: 52ch; font-size: 1.02rem; color: rgba(255, 255, 255, 0.85); }
.hero-actions { margin-top: 1.8rem; display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-controls { position: absolute; z-index: 3; left: 50%; bottom: 1.8rem; transform: translateX(-50%); display: flex; align-items: center; gap: 1.1rem; }
.hero-dots { display: flex; gap: 0; }
.hero-dots button { width: 46px; height: 3px; border: none; padding: 0; background: rgba(255, 255, 255, 0.35); cursor: pointer; transition: background 0.3s ease; }
.hero-dots button.is-active { background: #fff; }
.hero-pause { display: grid; place-items: center; width: 40px; height: 40px; padding: 0; border-radius: 50%; border: 1px solid rgba(255, 255, 255, 0.6); background: rgba(0, 0, 0, 0.18); color: #fff; cursor: pointer; transition: background 0.25s ease, border-color 0.25s ease; }
.hero-pause:hover { background: var(--cyan); border-color: var(--cyan); }
.hero-pause svg { width: 17px; height: 17px; fill: currentColor; }
.hero-pause .icon-play { display: none; }
.hero-pause.is-paused .icon-pause { display: none; }
.hero-pause.is-paused .icon-play { display: block; }
.scroll-cue { position: absolute; z-index: 3; left: 50%; bottom: 1.6rem; transform: translateX(-50%); display: none; flex-direction: column; align-items: center; gap: 0.7rem; color: rgba(255, 255, 255, 0.85); }
.scroll-cue-mouse { position: relative; width: 26px; height: 44px; border: 1px solid rgba(255, 255, 255, 0.6); border-radius: 14px; }
.scroll-cue-wheel { position: absolute; left: 50%; top: 8px; width: 3px; height: 9px; margin-left: -1.5px; border-radius: 2px; background: #fff; animation: scroll-wheel 1.7s var(--ease) infinite; }
.scroll-cue-label { font-family: var(--font-head); font-size: 0.6rem; font-weight: 600; letter-spacing: 0.32em; text-transform: uppercase; padding-left: 0.32em; }
@keyframes scroll-wheel {
  0% { opacity: 0; transform: translateY(0); }
  35% { opacity: 1; }
  75% { opacity: 1; transform: translateY(14px); }
  100% { opacity: 0; transform: translateY(18px); }
}

/* ---------- Entity strip ---------- */
.entity-strip { background: var(--blue); color: #fff; }
.entity-inner { display: flex; align-items: center; justify-content: center; gap: 1.1rem; flex-wrap: wrap; padding-block: 1rem; font-family: var(--font-head); font-size: 0.7rem; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; }
.entity-inner .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--cyan); }

/* ---------- Section scaffolding ---------- */
.section { padding-block: clamp(70px, 9vw, 120px); }
.section-soft { background: var(--bg-alt); }
.section-head { max-width: 760px; margin-bottom: clamp(2.4rem, 5vw, 3.6rem); }
.kicker { font-family: var(--font-head); color: var(--blue); font-weight: 600; font-size: 0.76rem; letter-spacing: 0.22em; text-transform: uppercase; margin-bottom: 0.9rem; }
.kicker-light { color: var(--cyan); }
.eyebrow { font-family: var(--font-head); font-size: 0.76rem; font-weight: 600; letter-spacing: 0.22em; text-transform: uppercase; margin-bottom: 1.2rem; }
.section-head h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); font-weight: 600; }
.section-sub { margin-top: 1rem; color: var(--body); font-size: 1.02rem; max-width: 62ch; }

/* ---------- Statement band ---------- */
.statement { background: #fff; border-bottom: 1px solid var(--line); }
.statement-inner { padding-block: clamp(58px, 8vw, 96px); max-width: 900px; }
.statement-label { font-family: var(--font-head); font-size: 0.72rem; letter-spacing: 0.24em; text-transform: uppercase; color: var(--blue); margin-bottom: 1.5rem; }
.statement p { font-family: var(--font-head); font-weight: 500; font-size: clamp(1.25rem, 2.4vw, 1.9rem); line-height: 1.7; color: var(--ink); letter-spacing: 0.005em; }
.statement p strong { color: var(--blue); font-weight: 600; }

/* ---------- News list ---------- */
.news-list { border-top: 1px solid var(--line); }
.news-row { display: grid; grid-template-columns: 168px 1fr auto; gap: 1.5rem; align-items: center; padding: 1.5rem 0; border-bottom: 1px solid var(--line); }
.news-date { font-family: var(--font-head); font-size: 0.82rem; letter-spacing: 0.04em; color: var(--muted); }
.news-title { font-family: var(--font-head); font-size: 1.02rem; font-weight: 500; color: var(--ink); line-height: 1.6; transition: color 0.25s ease; }
.news-row .news-arrow { width: 22px; height: 22px; color: var(--line-strong); transition: transform 0.3s var(--ease), color 0.3s ease; }
.news-row:hover .news-title { color: var(--blue); }
.news-row:hover .news-arrow { color: var(--blue); transform: translateX(5px); }
.section-more { margin-top: 2.6rem; }

/* ---------- Business tiles ---------- */
.tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.tile { position: relative; display: block; overflow: hidden; min-height: 420px; color: #fff; isolation: isolate; }
.tile::before { content: ""; position: absolute; inset: 0; z-index: -2; background-image: var(--bg-jpg); background-image: image-set(var(--bg-webp) type("image/webp"), var(--bg-jpg) type("image/jpeg")); background-size: cover; background-position: center; background-repeat: no-repeat; transition: transform 0.8s var(--ease); }
.tile-shade { position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(0, 30, 55, 0.1) 0%, rgba(0, 30, 55, 0.9) 100%); transition: background 0.4s ease; }
.tile:hover::before { transform: scale(1.07); }
.tile:hover .tile-shade { background: linear-gradient(180deg, rgba(0, 83, 150, 0.45) 0%, rgba(0, 42, 77, 0.92) 100%); }
.tile-content { position: absolute; inset: auto 0 0 0; display: flex; flex-direction: column; gap: 0.5rem; padding: 1.9rem 1.6rem; }
.tile-index { font-family: var(--font-head); font-size: 0.78rem; font-weight: 600; letter-spacing: 0.16em; color: var(--cyan); }
.tile-title { font-family: var(--font-head); font-size: 1.28rem; font-weight: 600; color: #fff; line-height: 1.3; }
.tile-arrow { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; margin-top: 0.7rem; border: 1px solid rgba(255, 255, 255, 0.6); transition: background 0.3s ease, border-color 0.3s ease, transform 0.3s var(--ease); }
.tile-arrow svg { width: 18px; height: 18px; }
.tile:hover .tile-arrow { background: var(--cyan); border-color: var(--cyan); transform: translateX(4px); }

/* ---------- About (home) ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(2rem, 6vw, 5rem); align-items: center; }
.about-head h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); }
.about-brand { margin-top: 1.2rem; color: var(--blue); font-family: var(--font-head); font-weight: 600; letter-spacing: 0.2em; font-size: 0.9rem; }
.about-copy p { font-size: 1.02rem; margin-bottom: 1.2rem; }
.about-copy .btn { margin-top: 0.6rem; }
.about-head { position: relative; padding-left: 1.5rem; border-left: 3px solid var(--cyan); }

/* ---------- Mission band ---------- */
.mission { position: relative; isolation: isolate; color: #fff; background: url("../img/mission-ship.jpg") center/cover no-repeat; background-image: image-set(url("../img/mission-ship.webp") type("image/webp"), url("../img/mission-ship.jpg") type("image/jpeg")); padding-block: clamp(72px, 10vw, 128px); }
.mission-overlay { position: absolute; inset: 0; z-index: -1; background: linear-gradient(150deg, rgba(0, 30, 55, 0.95) 0%, rgba(0, 83, 150, 0.72) 100%); }
.mission-head { max-width: 640px; margin-bottom: clamp(2.4rem, 5vw, 3.4rem); }
.mission-head h2 { color: #fff; font-size: clamp(1.8rem, 3.6vw, 2.7rem); }
.mission-head h2 span { color: var(--cyan); }
.mission-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid rgba(255, 255, 255, 0.28); }
.mission-item { padding: 2rem 1.6rem 0 0; border-right: 1px solid rgba(255, 255, 255, 0.2); }
.mission-item:last-child { border-right: none; }
.mission-item:not(:first-child) { padding-left: 1.6rem; }
.mission-no { display: block; font-family: var(--font-head); font-size: 1.4rem; font-weight: 600; color: var(--cyan); margin-bottom: 0.8rem; }
.mission-item p { color: rgba(255, 255, 255, 0.92); font-size: 0.98rem; }

/* ---------- CTA ---------- */
.cta { position: relative; isolation: isolate; text-align: center; color: #fff; background: url("../img/water-lily.jpg") center/cover no-repeat; background-image: image-set(url("../img/water-lily.webp") type("image/webp"), url("../img/water-lily.jpg") type("image/jpeg")); padding-block: clamp(72px, 10vw, 128px); }
.cta-overlay { position: absolute; inset: 0; z-index: -1; background: linear-gradient(150deg, rgba(0, 30, 55, 0.9), rgba(0, 83, 150, 0.7)); }
.cta-inner { max-width: 680px; }
.cta h2 { color: #fff; font-size: clamp(1.8rem, 3.8vw, 2.7rem); }
.cta p { margin: 1.1rem 0 2.2rem; color: rgba(255, 255, 255, 0.88); font-size: 1.05rem; }

/* ---------- Page hero (interior) ---------- */
.page-hero { position: relative; overflow: hidden; color: #fff; background: var(--blue-deep); padding-block: clamp(64px, 9vw, 118px); }
.page-hero.has-image { background-image: var(--bg-jpg); background-image: image-set(var(--bg-webp) type("image/webp"), var(--bg-jpg) type("image/jpeg")); background-size: cover; background-position: center; }
.page-hero-overlay { position: absolute; inset: 0; background: linear-gradient(120deg, rgba(0, 30, 55, 0.9), rgba(0, 83, 150, 0.62)); }
.page-hero-inner { position: relative; max-width: 840px; }
.page-hero h1 { color: #fff; font-size: clamp(1.9rem, 4vw, 3rem); }
.page-hero p { margin-top: 1rem; color: rgba(255, 255, 255, 0.88); font-size: 1.05rem; max-width: 62ch; }

/* ---------- Generic blocks ---------- */
.block { padding-block: clamp(34px, 5vw, 56px); }
.block-h2 { font-size: clamp(1.55rem, 2.8vw, 2.2rem); margin-bottom: 1.2rem; }
.block-h3 { font-size: 1.25rem; margin-bottom: 1.1rem; }
.block-intro { color: var(--body); font-size: 1.02rem; margin-top: 0.6rem; max-width: 70ch; }
.container.narrow { width: min(100% - 3rem, 820px); }
section.block:first-of-type { padding-top: clamp(48px, 7vw, 78px); }

.block-h2::after, .block-h3::after { content: ""; display: block; width: 40px; height: 3px; background: var(--cyan); margin-top: 1rem; }

/* Split */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.6rem, 4vw, 3.6rem); align-items: center; }
.split.img-left .split-body { order: 2; }
.split.img-left .block-media { order: 1; }
.split-body h2 { font-size: clamp(1.5rem, 2.7vw, 2.1rem); margin-bottom: 1.1rem; }
.split-body h2::after { content: ""; display: block; width: 40px; height: 3px; background: var(--cyan); margin-top: 1rem; }
.block-media { margin: 0; }
.block-media img { width: 100%; height: auto; }
.block-media figcaption { margin-top: 0.7rem; font-size: 0.82rem; color: var(--muted); }

/* Prose */
.prose { font-size: 1.02rem; color: var(--body); }
.prose > * + * { margin-top: 1.1rem; }
.prose h2 { font-size: clamp(1.35rem, 2.3vw, 1.85rem); margin-top: 2rem; }
.prose h3 { font-size: 1.18rem; margin-top: 1.6rem; }
.prose ul, .prose ol { padding-left: 1.3rem; }
.prose ul { list-style: none; }
.prose ul li { position: relative; padding-left: 1rem; }
.prose ul li::before { content: ""; position: absolute; left: 0; top: 0.7em; width: 6px; height: 6px; background: var(--cyan); }
.prose ol { list-style: decimal; }
.prose li { margin-top: 0.4rem; }
.prose a { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }
.prose strong { color: var(--ink); }
.prose picture { margin-top: 1.4rem; }
.prose img { margin-top: 0; height: auto; border-radius: 0; }
.prose hr { border: none; border-top: 1px solid var(--line); margin: 2.2rem 0; }

/* Check list */
.check-list { display: grid; gap: 0.8rem; }
.check-list li { position: relative; padding-left: 1.6rem; }
.check-list li::before { content: ""; position: absolute; left: 0; top: 0.75em; width: 7px; height: 7px; background: var(--cyan); }

/* Timeline */
.timeline { position: relative; display: grid; gap: 1.6rem; padding-left: 1.6rem; border-left: 1px solid var(--line-strong); }
.tl-item { position: relative; display: grid; grid-template-columns: 84px 1fr; gap: 1rem; align-items: start; }
.tl-item::before { content: ""; position: absolute; left: -1.86rem; top: 0.45rem; width: 11px; height: 11px; border-radius: 50%; background: #fff; border: 2px solid var(--blue); }
.tl-year { font-family: var(--font-head); font-weight: 600; color: var(--blue); font-size: 1.02rem; }

/* Feature cards */
.features-grid { display: grid; gap: 1.2rem; }
.features-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.features-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.feature-card { position: relative; background: #fff; border: 1px solid var(--line); padding: 2rem 1.8rem; transition: border-color 0.3s ease, transform 0.3s var(--ease); }
.feature-card:hover { border-color: var(--blue); transform: translateY(-4px); }
.feature-marker { display: inline-flex; align-items: center; justify-content: center; width: 46px; height: 46px; background: var(--blue); color: #fff; font-family: var(--font-head); font-weight: 600; font-size: 1.3rem; margin-bottom: 1rem; }
.feature-card h3 { font-size: 1.08rem; margin-bottom: 0.7rem; }
.feature-points { display: grid; gap: 0.5rem; }
.feature-points li { position: relative; padding-left: 1.2rem; color: var(--body); font-size: 0.95rem; }
.feature-points li::before { content: ""; position: absolute; left: 0; top: 0.72em; width: 5px; height: 5px; background: var(--cyan); }
.feature-card .prose { font-size: 0.98rem; }

/* Gallery */
.gallery { display: grid; gap: 1rem; }
.gallery.cols-2 { grid-template-columns: repeat(2, 1fr); }
.gallery.cols-3 { grid-template-columns: repeat(3, 1fr); }
.gal-item { margin: 0; overflow: hidden; background: #fff; }
.gal-item picture { display: block; }
.gal-item img { width: 100%; height: auto; object-fit: cover; aspect-ratio: 4 / 3; transition: transform 0.7s var(--ease); }
.gal-item:hover img { transform: scale(1.05); }
.gal-item figcaption { padding: 0.7rem 0; font-size: 0.82rem; color: var(--muted); }

/* Info cards (contact) */
.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.info-card { background: #fff; border: 1px solid var(--line); padding: 2rem 1.8rem; border-top: 3px solid var(--blue); }
.info-icon { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; color: var(--blue); margin-bottom: 1rem; }
.info-icon svg { width: 26px; height: 26px; }
.info-card h3 { font-size: 0.74rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.8rem; }
.info-card p { color: var(--ink); font-weight: 500; line-height: 1.8; }
.info-card a { color: var(--blue); }
.info-card a:hover { text-decoration: underline; }

/* ---------- Services: anchor index ---------- */
.block-anchors { padding-top: clamp(34px, 5vw, 54px); }
.anchor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.anchor-card { display: block; background: #fff; border: 1px solid var(--line); transition: border-color 0.3s ease, transform 0.3s var(--ease); }
.anchor-card:hover { border-color: var(--blue); transform: translateY(-4px); }
.anchor-media { display: block; overflow: hidden; aspect-ratio: 4 / 3; }
.anchor-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s var(--ease); }
.anchor-card:hover .anchor-media img { transform: scale(1.06); }
.anchor-body { display: flex; align-items: center; gap: 0.6rem; padding: 1.1rem 1.2rem; }
.anchor-index { font-family: var(--font-head); font-size: 0.78rem; font-weight: 600; color: var(--cyan); }
.anchor-title { flex: 1; font-family: var(--font-head); font-weight: 600; font-size: 0.98rem; color: var(--ink); }
.anchor-arrow { width: 20px; height: 20px; color: var(--line-strong); transition: transform 0.3s var(--ease), color 0.3s ease; }
.anchor-card:hover .anchor-arrow { color: var(--blue); transform: translateX(4px); }

/* ---------- Services: entity band ---------- */
.entity-band { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding-block: clamp(38px, 5vw, 60px); }
.entity-band-inner { padding-left: 1.4rem; border-left: 3px solid var(--cyan); }
.entity-kicker { font-family: var(--font-head); font-size: 0.72rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--blue); margin-bottom: 0.6rem; }
.entity-title { font-size: clamp(1.5rem, 3vw, 2.2rem); }
.entity-desc { margin-top: 0.7rem; color: var(--body); max-width: 70ch; }

/* ---------- Services: rich rows ---------- */
.service { padding-block: clamp(42px, 6vw, 78px); border-top: 1px solid var(--line); }
.service-row { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.8rem, 5vw, 4rem); align-items: center; }
.service.is-reversed .service-media { order: -1; }
.service-media { display: grid; gap: 0.8rem; }
.service-main { margin: 0; }
.service-main img { width: 100%; height: auto; }
.service-thumbs { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; }
.service-thumb { margin: 0; }
.service-thumb img { width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; }
.service-main figcaption, .service-thumb figcaption { margin-top: 0.5rem; font-size: 0.8rem; color: var(--muted); }
.service-index { font-family: var(--font-head); font-size: 0.88rem; font-weight: 600; letter-spacing: 0.16em; color: var(--cyan); margin-bottom: 0.6rem; }
.service-title { font-size: clamp(1.5rem, 2.8vw, 2.1rem); margin-bottom: 1.1rem; }
.service-title::after { content: ""; display: block; width: 40px; height: 3px; background: var(--cyan); margin-top: 1rem; }
.service-points-title { font-family: var(--font-head); font-weight: 600; color: var(--ink); margin-top: 1.5rem; }
.service-points { display: grid; gap: 0.6rem; margin-top: 0.9rem; }
.service-points li { position: relative; padding-left: 1.5rem; color: var(--body); }
.service-points li::before { content: ""; position: absolute; left: 0; top: 0.78em; width: 7px; height: 7px; background: var(--cyan); }
.service-points li p { margin: 0; }
.service { scroll-margin-top: 100px; }

/* ---------- Corporate Profile: lede ---------- */
.lede-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.lede-head h2 { font-size: clamp(1.7rem, 3.2vw, 2.5rem); }
.lede-facts { margin-top: 1.6rem; border-top: 1px solid var(--line); }
.lede-fact { display: grid; grid-template-columns: 140px 1fr; gap: 1rem; padding: 0.85rem 0; border-bottom: 1px solid var(--line); }
.lede-fact dt { font-family: var(--font-head); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); padding-top: 0.15rem; }
.lede-fact dd { margin: 0; font-weight: 600; color: var(--ink); }

/* ---------- Corporate Profile: milestone rail ---------- */
.milestones { position: relative; display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
.milestones::before { content: ""; position: absolute; left: 136px; top: 16px; bottom: 16px; width: 2px; background: var(--line-strong); }
.mile { position: relative; display: grid; grid-template-columns: 120px 1fr; gap: 2rem; padding: 1.6rem 0; }
.mile-year { font-family: var(--font-head); font-weight: 700; font-size: clamp(1.7rem, 3vw, 2.4rem); color: var(--blue); line-height: 1; text-align: right; }
.mile-year::after { content: ""; position: absolute; left: 130px; top: 0.55rem; width: 12px; height: 12px; border-radius: 50%; background: #fff; border: 3px solid var(--cyan); }
.mile-body { color: var(--body); }
.mile-body p { margin: 0; }

/* ---------- Corporate Profile: mission panels ---------- */
.panels { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); }
.panel { padding: clamp(1.6rem, 3vw, 2.4rem); }
.panel + .panel { border-left: 1px solid var(--line); }
.panel-label { font-family: var(--font-head); font-size: 0.74rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--cyan); margin-bottom: 0.9rem; }
.panel-body { font-size: 1.05rem; color: var(--ink); }
.panel-body p { margin: 0; }

/* ---------- Corporate Profile: MOL CHARTS ---------- */
.charts-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.chart-tile { display: grid; grid-template-columns: auto 1fr; gap: 1.2rem; align-items: start; background: #fff; border: 1px solid var(--line); padding: 1.7rem; transition: border-color 0.3s ease, transform 0.3s var(--ease); }
.chart-tile:hover { border-color: var(--blue); transform: translateY(-4px); }
.chart-letter { font-family: var(--font-head); font-weight: 700; font-size: 3rem; line-height: 1; color: var(--blue); }
.chart-content h3 { font-size: 1.02rem; margin-bottom: 0.7rem; }
.chart-points { display: grid; gap: 0.45rem; }
.chart-points li { position: relative; padding-left: 1.1rem; font-size: 0.92rem; color: var(--body); }
.chart-points li::before { content: ""; position: absolute; left: 0; top: 0.72em; width: 5px; height: 5px; background: var(--cyan); }
.chart-points li p { margin: 0; }

/* ---------- CSR: photo story ---------- */
.photostory { border-top: 1px solid var(--line); }
.photostory:first-of-type { border-top: none; }
.photostory-grid { display: grid; grid-template-columns: 0.9fr 1.6fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.photostory-aside { position: sticky; top: 104px; }
.photostory-year { font-family: var(--font-head); font-weight: 700; font-size: clamp(2.4rem, 5vw, 3.6rem); color: var(--blue-soft); line-height: 1; margin-bottom: 0.6rem; }
.photostory-title { font-size: clamp(1.4rem, 2.6vw, 1.9rem); margin-bottom: 1rem; }
.photostory-mosaic { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.mosaic-item { margin: 0; overflow: hidden; }
.mosaic-item img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 3; transition: transform 0.7s var(--ease); }
.mosaic-item:hover img { transform: scale(1.05); }
.mosaic-item figcaption { padding: 0.5rem 0 0; font-size: 0.8rem; color: var(--muted); }
.photostory-mosaic > :first-child { grid-column: 1 / -1; }
.photostory-mosaic > :first-child img { aspect-ratio: 16 / 9; }

/* ---------- Contact page ---------- */
.contact-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.contact-mail-list { display: grid; gap: 1rem; margin-top: 1.6rem; }
.contact-mail { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 0.3rem 1rem; padding: 1.4rem 1.7rem; background: #fff; border: 1px solid var(--line); border-left: 3px solid var(--blue); transition: border-color 0.3s ease, transform 0.3s var(--ease), box-shadow 0.3s ease; }
.contact-mail:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-left-color: var(--cyan); }
.contact-mail-label { grid-column: 1; font-family: var(--font-head); font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); }
.contact-mail-value { grid-column: 1; font-family: var(--font-head); font-weight: 600; font-size: 1.15rem; color: var(--blue); }
.contact-mail-arrow { grid-column: 2; grid-row: 1 / span 2; width: 22px; height: 22px; color: var(--line-strong); transition: transform 0.3s var(--ease), color 0.3s ease; }
.contact-mail:hover .contact-mail-arrow { color: var(--blue); transform: translateX(4px); }
.contact-details { margin: 0; border-top: 1px solid var(--line); }
.contact-detail { display: grid; grid-template-columns: 120px 1fr; gap: 1rem; padding: 1.1rem 0; border-bottom: 1px solid var(--line); }
.contact-detail dt { font-family: var(--font-head); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); padding-top: 0.2rem; }
.contact-detail dd { margin: 0; color: var(--ink); font-weight: 500; }
.contact-detail dd a { color: var(--blue); }
.contact-detail dd a:hover { text-decoration: underline; }
.contact-map { display: block; margin-top: 1.6rem; overflow: hidden; border: 1px solid var(--line); }
.contact-map iframe { display: block; width: 100%; height: 340px; border: 0; }
.contact-map-label { display: flex; align-items: center; justify-content: space-between; gap: 0.6rem; padding: 0.9rem 1.1rem; background: var(--blue); color: #fff; font-family: var(--font-head); font-size: 0.78rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; }
.contact-map-label svg { width: 18px; height: 18px; }

/* ---------- FAQ ---------- */
.faq-list { margin-top: 1.5rem; border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary { list-style: none; cursor: pointer; position: relative; padding: 1.2rem 2.4rem 1.2rem 0; font-family: var(--font-head); font-weight: 600; font-size: 1.02rem; color: var(--ink); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 0.2rem; top: 50%; transform: translateY(-50%); font-size: 1.5rem; font-weight: 400; line-height: 1; color: var(--blue); transition: transform 0.25s var(--ease); }
.faq-item[open] summary::after { content: "\2013"; }
.faq-answer { padding: 0 0 1.3rem; color: var(--body); }
.faq-answer p { margin: 0; }

/* ---------- Long-form TOC ---------- */
.prose-layout { display: grid; grid-template-columns: 260px 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.toc { position: sticky; top: 104px; border-left: 2px solid var(--line); padding-left: 1.2rem; }
.toc-title { font-family: var(--font-head); font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.9rem; }
.toc ul { display: grid; gap: 0.55rem; }
.toc a { font-size: 0.9rem; color: var(--body); }
.toc a:hover { color: var(--blue); }

/* ---------- Article ---------- */
.article .prose > p:first-of-type { font-size: 1.2rem; color: var(--ink); line-height: 1.7; }

/* ---------- Article ---------- */
.article-head { padding-block: clamp(52px, 7vw, 92px) 1rem; }
.article-head h1 { font-size: clamp(1.6rem, 3.4vw, 2.5rem); margin-top: 0.6rem; }
.article-meta { margin-top: 1rem; color: var(--muted); font-size: 0.88rem; font-family: var(--font-head); }
.article-cover { margin: 0 auto 1rem; width: min(100% - 3rem, 1000px); }
.article-cover img { width: 100%; }
.article .prose { padding-bottom: 1rem; }
.article-back { margin-top: 2rem; }
.text-link { display: inline-flex; align-items: center; gap: 0.5rem; color: var(--blue); font-family: var(--font-head); font-weight: 600; font-size: 0.82rem; letter-spacing: 0.1em; text-transform: uppercase; }
.text-link svg { width: 17px; height: 17px; transition: transform 0.3s var(--ease); }
.text-link:hover svg { transform: translateX(4px); }

/* ---------- Footer ---------- */
.site-footer { background: var(--blue-deep); color: rgba(255, 255, 255, 0.72); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1.2fr 1fr 1.2fr; gap: 2.5rem; padding-block: clamp(3rem, 6vw, 4.5rem); }
.footer-brand img { width: 100%; max-width: 300px; height: auto; margin-bottom: 1.2rem; }
.footer-tag { font-size: 0.9rem; max-width: 30ch; }
.footer-col h3 { color: #fff; font-family: var(--font-head); font-size: 0.74rem; letter-spacing: 0.18em; text-transform: uppercase; margin-bottom: 1.2rem; font-weight: 600; }
.footer-col address { font-size: 0.9rem; line-height: 1.9; }
.footer-links li + li { margin-top: 0.6rem; }
.footer-links a, .footer-mail { transition: color 0.2s ease; font-size: 0.9rem; }
.footer-links a:hover, .footer-mail:hover { color: #fff; }
.footer-mail { display: inline-flex; align-items: center; gap: 0.55rem; color: var(--cyan); font-weight: 500; }
.footer-mail svg { width: 18px; height: 18px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.15); }
.footer-bottom-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding-block: 1.5rem; font-size: 0.82rem; }
.footer-bottom a:hover { color: #fff; }

/* ---------- Back to top ---------- */
.to-top { position: fixed; right: 1.5rem; bottom: 1.5rem; z-index: 90; width: 52px; height: 52px; border: none; cursor: pointer; background: var(--blue); color: #fff; display: grid; place-items: center; opacity: 0; visibility: hidden; transform: translateY(12px); transition: opacity 0.3s ease, transform 0.3s var(--ease), visibility 0.3s, background 0.25s; }
.to-top.show { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--cyan); }
.to-top svg { width: 22px; height: 22px; }

/* ---------- Reveal ---------- */
[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
[data-reveal].is-visible { opacity: 1; transform: none; }
.tiles .tile:nth-child(2) { transition-delay: 0.07s; }
.tiles .tile:nth-child(3) { transition-delay: 0.14s; }
.tiles .tile:nth-child(4) { transition-delay: 0.21s; }
.mission-grid .mission-item:nth-child(2) { transition-delay: 0.07s; }
.mission-grid .mission-item:nth-child(3) { transition-delay: 0.14s; }
.mission-grid .mission-item:nth-child(4) { transition-delay: 0.21s; }

/* ---------- Responsive ---------- */
@media (min-width: 1025px) { .scroll-cue { display: flex; } .hero-controls { left: auto; right: calc((100vw - min(100vw - 3rem, 1200px)) / 2); transform: none; } }

@media (max-width: 1024px) {
  .tiles { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .mission-grid { grid-template-columns: repeat(2, 1fr); }
  .mission-item { padding: 1.6rem 1.4rem; border-bottom: 1px solid rgba(255, 255, 255, 0.2); }
  .mission-item:nth-child(2n) { border-right: none; }
  .mission-item:nth-child(n+3) { border-bottom: none; }
}

@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .nav { position: absolute; top: 100%; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--line); box-shadow: var(--shadow); max-height: 0; overflow: hidden; transition: max-height 0.35s var(--ease); }
  .nav.open { max-height: 440px; }
  .nav-list { flex-direction: column; align-items: stretch; gap: 0; padding: 0.5rem 1.5rem 1.4rem; }
  .nav-list a { padding: 0.95rem 0.2rem; border-bottom: 1px solid var(--line); }
  .nav-list a::after { display: none; }
  .header-cta { display: none; }
  .about-grid { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .split.img-left .split-body { order: 1; }
  .split.img-left .block-media { order: 2; }
  .info-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid.cols-3 { grid-template-columns: repeat(2, 1fr); }
  .anchor-grid { grid-template-columns: repeat(2, 1fr); }
  .service-row { grid-template-columns: 1fr; }
  .service.is-reversed .service-media { order: 0; }
  .lede-grid { grid-template-columns: 1fr; }
  .panels { grid-template-columns: 1fr; }
  .panel + .panel { border-left: none; border-top: 1px solid var(--line); }
  .charts-grid { grid-template-columns: repeat(2, 1fr); }
  .photostory-grid { grid-template-columns: 1fr; }
  .photostory-aside { position: static; }
  .milestones::before { left: 101px; }
  .mile { grid-template-columns: 90px 1fr; gap: 1.4rem; }
  .mile-year::after { left: 95px; }
  .contact-grid { grid-template-columns: 1fr; }
  .prose-layout { grid-template-columns: 1fr; }
  .toc { position: static; border-left: none; border-top: 1px solid var(--line); padding: 1rem 0 0; }
  .news-row { grid-template-columns: 120px 1fr auto; gap: 1rem; }
}

@media (max-width: 560px) {
  .brand-sub { display: none; }
  body { font-size: 15px; }
  .header-inner { min-height: 68px; }
  .tiles { grid-template-columns: 1fr; }
  .tile { min-height: 300px; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .mission-grid { grid-template-columns: 1fr; }
  .mission-item { border-right: none !important; padding-left: 0 !important; }
  .info-grid, .features-grid.cols-2, .features-grid.cols-3, .gallery.cols-2, .gallery.cols-3 { grid-template-columns: 1fr; }
  .anchor-grid { grid-template-columns: 1fr; }
  .tl-item { grid-template-columns: 64px 1fr; }
  .charts-grid { grid-template-columns: 1fr; }
  .lede-fact { grid-template-columns: 110px 1fr; }
  .photostory-mosaic { grid-template-columns: 1fr; }
  .photostory-mosaic > :first-child img { aspect-ratio: 4 / 3; }
  .milestones::before { left: 81px; }
  .mile { grid-template-columns: 72px 1fr; gap: 1rem; }
  .mile-year::after { left: 75px; }
  .contact-detail { grid-template-columns: 100px 1fr; }
  .news-row { grid-template-columns: 1fr auto; }
  .news-date { grid-column: 1 / -1; }
  .hero-actions .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
  .hero-media { transform: none !important; }
}