.inner-page {
  color: var(--ppt-white);
  background: var(--ppt-black);
}

.inner-page main { overflow: hidden; }
.inner-page .site-header { background: rgba(2, 4, 6, .3); }
.inner-page .site-header.is-scrolled { background: rgba(2, 6, 10, .96); }
.inner-page .primary-nav .is-active { color: var(--ppt-gold-light); }
.inner-page .primary-nav .is-active::after { transform: scaleX(1); }

.page-hero {
  position: relative;
  height: clamp(460px, 33.86vw, 650px);
  min-height: 460px;
  overflow: hidden;
  background: var(--ppt-navy);
}
.page-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0;
  transform: scale(1.025);
  transition: opacity .9s ease, transform 1.4s cubic-bezier(.22, 1, .36, 1);
}
.inner-page.is-page-ready .page-hero img { opacity: 1; transform: scale(1); }
.page-hero::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, rgba(226, 182, 93, .9) 35%, rgba(201, 148, 54, .9) 65%, transparent);
  box-shadow: 0 0 18px rgba(201, 148, 54, .28);
}
.page-scroll-cue {
  position: absolute;
  z-index: 2;
  right: 4.2vw;
  bottom: 28px;
  display: flex;
  gap: 12px;
  align-items: center;
  color: rgba(246, 243, 236, .68);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.page-scroll-cue::after { width: 42px; height: 1px; content: ""; background: var(--ppt-gold); }

.detail-page .page-hero::before {
  position: absolute;
  z-index: 1;
  inset: 0;
  content: "";
  background: linear-gradient(90deg, rgba(2, 7, 12, .74) 0%, rgba(2, 7, 12, .34) 42%, transparent 72%);
  pointer-events: none;
}
.detail-hero-copy {
  position: absolute;
  z-index: 2;
  top: 54%;
  left: max(4.2vw, calc((100vw - 1320px) / 2));
  width: min(720px, 68vw);
  transform: translateY(-42%);
  text-shadow: 0 3px 24px rgba(0, 0, 0, .42);
}
.detail-hero-copy p { color: var(--ppt-gold-light); font-size: 12px; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; }
.detail-hero-copy h1 { margin-top: 18px; font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, serif; font-size: clamp(38px, 4.1vw, 62px); line-height: 1.16; font-weight: 500; letter-spacing: -.035em; }
.detail-hero-copy span { display: block; max-width: 620px; margin-top: 16px; color: rgba(246, 243, 236, .68); font-family: Arial, sans-serif; font-size: 13px; line-height: 1.6; letter-spacing: .08em; text-transform: uppercase; }

body[data-page="environment"].detail-page .page-hero {
  background: radial-gradient(circle at 82% 50%, rgba(42, 95, 72, .32), transparent 38%), #06121a;
}
body[data-page="environment"].detail-page .page-hero img {
  width: 64%;
  margin-left: auto;
  object-position: center;
  filter: saturate(.82) contrast(1.06) brightness(.78);
}

.page-breadcrumb { border-bottom: 1px solid rgba(201, 148, 54, .18); background: #04080c; }
.page-breadcrumb .container { display: flex; gap: 10px; align-items: center; min-height: 64px; color: rgba(246, 243, 236, .5); font-size: 13px; }
.page-breadcrumb a { color: rgba(246, 243, 236, .66); text-decoration: none; }
.page-breadcrumb a:hover { color: var(--ppt-gold-light); }
.page-breadcrumb span[aria-hidden] { color: rgba(201, 148, 54, .48); }
.page-breadcrumb [aria-current] { color: var(--ppt-gold-light); }

.section-index { position: relative; z-index: 8; border-bottom: 1px solid rgba(201, 148, 54, .2); background: rgba(5, 11, 17, .97); }
.section-index .container { display: flex; min-height: 62px; overflow-x: auto; scrollbar-width: none; }
.section-index .container::-webkit-scrollbar { display: none; }
.section-index a {
  position: relative;
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  padding: 0 28px;
  color: rgba(246, 243, 236, .58);
  text-decoration: none;
  font-size: 14px;
  white-space: nowrap;
}
.section-index a:first-child { padding-left: 0; }
.section-index a::after { position: absolute; right: 28px; bottom: -1px; left: 28px; height: 1px; content: ""; background: var(--ppt-gold); transform: scaleX(0); transition: transform .25s ease; }
.section-index a:first-child::after { left: 0; }
.section-index a:hover,
.section-index a:focus-visible { color: var(--ppt-white); }
.section-index a:hover::after,
.section-index a:focus-visible::after { transform: scaleX(1); }

.page-section { position: relative; padding: 112px 0; scroll-margin-top: 72px; }
.page-section--navy,
.page-section--navy-2 {
  color: #07111a;
  background: #fff;
}
.page-section--black { background: var(--ppt-black); }
.page-section--line { border-top: 1px solid rgba(201, 148, 54, .2); }
.page-section .section-kicker { margin-bottom: 22px; }
.page-section h2 {
  max-width: 860px;
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, serif;
  font-size: clamp(38px, 4vw, 58px);
  line-height: 1.18;
  font-weight: 500;
  letter-spacing: -.035em;
}
.page-section h3 { font-size: clamp(26px, 2.5vw, 36px); line-height: 1.3; font-weight: 500; }
.page-section p { color: rgba(246, 243, 236, .66); font-size: 16px; line-height: 1.9; }
.page-section p + p { margin-top: 16px; }
.english-title { display: block; margin-top: 10px; color: rgba(226, 182, 93, .66); font-family: Arial, sans-serif; font-size: 13px; line-height: 1.55; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; }

/* Light theme for every section that previously used the deep-blue surfaces. */
.page-section--navy p,
.page-section--navy-2 p { color: rgba(5, 15, 24, .7); }
.page-section--navy .document-subtitle,
.page-section--navy-2 .document-subtitle { color: rgba(5, 15, 24, .56); }
.page-section--navy .metric-item span,
.page-section--navy-2 .metric-item span { color: rgba(5, 15, 24, .62); }
.page-section--navy .value-card,
.page-section--navy-2 .value-card,
.page-section--navy .split-feature,
.page-section--navy-2 .split-feature {
  color: #07111a;
  background: #f7f6f2;
}
.page-section--navy .region-item strong,
.page-section--navy-2 .region-item strong,
.page-section--navy .contact-card p,
.page-section--navy-2 .contact-card p { color: #07111a; }
.page-section--navy .region-item small,
.page-section--navy-2 .region-item small { color: rgba(5, 15, 24, .55); }
.page-section--navy .project-meta span,
.page-section--navy-2 .project-meta span { color: rgba(5, 15, 24, .64); }
.page-section--navy .source-english-item p,
.page-section--navy-2 .source-english-item p { color: rgba(5, 15, 24, .68); }

.page-intro { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(48px, 7vw, 100px); align-items: start; }
.page-intro-copy { max-width: 740px; padding-top: 8px; }
.page-intro-line { display: block; width: 80px; height: 1px; margin-top: 32px; background: linear-gradient(90deg, var(--ppt-gold), transparent); }

.metric-strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 74px; border-top: 1px solid rgba(201, 148, 54, .28); border-bottom: 1px solid rgba(201, 148, 54, .28); }
.metric-item { min-height: 190px; padding: 36px 30px; border-left: 1px solid rgba(201, 148, 54, .2); }
.metric-item:first-child { border-left: 0; }
.metric-item strong { display: block; color: var(--ppt-gold-light); font-family: Georgia, "Times New Roman", serif; font-size: clamp(42px, 4vw, 60px); line-height: 1; font-weight: 400; }
.metric-item span { display: block; margin-top: 20px; color: rgba(246, 243, 236, .62); font-size: 14px; line-height: 1.65; }

.values-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 66px; border: 1px solid rgba(201, 148, 54, .28); }
.value-card { min-height: 260px; padding: 34px 30px; border-left: 1px solid rgba(201, 148, 54, .2); background: rgba(2, 4, 6, .22); }
.value-card:first-child { border-left: 0; }
.value-index { color: var(--ppt-gold); font-size: 12px; letter-spacing: .12em; }
.value-card h3 { margin-top: 52px; font-size: 24px; }
.value-card p { margin-top: 16px; font-size: 14px; line-height: 1.75; }

.split-feature { display: grid; grid-template-columns: minmax(0, 6.5fr) minmax(320px, 5.5fr); border: 1px solid rgba(201, 148, 54, .3); background: rgba(2, 4, 6, .3); }
.split-feature-media { min-height: 470px; overflow: hidden; }
.split-feature-media img { width: 100%; height: 100%; object-fit: cover; }
.split-feature-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(42px, 5vw, 72px); }
.split-feature-copy .section-kicker { margin-bottom: 18px; }
.split-feature-copy h3 { font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, serif; font-size: clamp(32px, 3vw, 46px); }
.split-feature-copy p { margin-top: 24px; }

.global-panel { display: grid; grid-template-columns: minmax(0, 7.5fr) minmax(300px, 4.5fr); gap: clamp(36px, 5vw, 72px); align-items: center; margin-top: 66px; }
.global-map-card { padding: 26px; border: 1px solid rgba(201, 148, 54, .26); background: #f8f8f6; }
.global-map-card img { width: 100%; height: auto; }
.region-list { display: grid; border-top: 1px solid rgba(201, 148, 54, .28); }
.region-item { display: grid; grid-template-columns: 42px 1fr; gap: 18px; padding: 22px 0; border-bottom: 1px solid rgba(201, 148, 54, .2); }
.region-item span { color: var(--ppt-gold); font-size: 12px; }
.region-item strong { display: block; color: var(--ppt-white); font-size: 18px; font-weight: 500; }
.region-item small { display: block; margin-top: 7px; color: rgba(246, 243, 236, .48); font-size: 13px; line-height: 1.6; }

.section-heading-wide { display: grid; grid-template-columns: minmax(0, 7fr) minmax(260px, 5fr); gap: 56px; align-items: end; margin-bottom: 66px; }
.section-heading-wide > p { max-width: 560px; }

.project-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 34px; }
.project-card { scroll-margin-top: 94px; border: 1px solid rgba(201, 148, 54, .27); background: rgba(8, 16, 24, .86); overflow: hidden; }
.project-card-media { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: #0c141c; }
.project-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .65s cubic-bezier(.22, 1, .36, 1); }
.project-card:hover .project-card-media img { transform: scale(1.025); }
.project-card-media::after { position: absolute; inset: auto 0 0; height: 34%; content: ""; background: linear-gradient(transparent, rgba(2, 4, 6, .46)); pointer-events: none; }
.project-card-copy { padding: 32px 32px 36px; }
.project-card-number { color: var(--ppt-gold); font-size: 12px; letter-spacing: .12em; }
.project-card h3 { margin-top: 20px; font-size: clamp(24px, 2vw, 31px); }
.project-card p { margin-top: 20px; font-size: 15px; line-height: 1.85; }
.project-meta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.project-meta span { padding: 7px 10px; border: 1px solid rgba(201, 148, 54, .26); color: rgba(246, 243, 236, .6); font-size: 12px; }
.project-detail-link {
  display: inline-flex;
  gap: 18px;
  align-items: center;
  align-self: flex-start;
  margin-top: 30px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(201, 148, 54, .58);
  color: var(--ppt-gold-light);
  text-decoration: none;
  font-size: 14px;
  letter-spacing: .06em;
}
.project-detail-link span { transition: transform .25s ease; }
.project-detail-link:hover span,
.project-detail-link:focus-visible span { transform: translateX(6px); }

.project-feature { display: grid; grid-template-columns: minmax(0, 6fr) minmax(320px, 6fr); scroll-margin-top: 94px; border: 1px solid rgba(201, 148, 54, .3); background: rgba(8, 16, 24, .86); }
.project-feature + .project-feature { margin-top: 42px; }
.project-feature:nth-child(even) .project-feature-media { order: 2; }
.project-feature-media { min-height: 500px; overflow: hidden; }
.project-feature-media img { width: 100%; height: 100%; object-fit: cover; }
.project-feature-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(40px, 5vw, 72px); }
.project-feature-copy h3 { margin-top: 18px; font-size: clamp(30px, 3vw, 44px); }
.project-feature-copy p { margin-top: 24px; }

.process-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 62px; border: 1px solid rgba(201, 148, 54, .26); }
.process-item { position: relative; min-height: 230px; padding: 36px 32px; border-left: 1px solid rgba(201, 148, 54, .2); }
.process-item:first-child { border-left: 0; }
.process-item::after { position: absolute; right: -9px; top: 50%; z-index: 2; color: var(--ppt-gold); content: "→"; transform: translateY(-50%); }
.process-item:last-child::after { display: none; }
.source-english-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 48px 64px; }
.source-english-item { padding-top: 24px; border-top: 1px solid rgba(201, 148, 54, .34); }
.source-english-item h3 { color: var(--ppt-gold-light); font-family: Arial, sans-serif; font-size: 21px; font-weight: 500; line-height: 1.4; }
.source-english-item p { margin-top: 17px; color: rgba(246, 243, 236, .7); font-family: Arial, sans-serif; font-size: 15px; line-height: 1.8; }
.process-item span { color: var(--ppt-gold); font-size: 12px; letter-spacing: .12em; }
.process-item h3 { margin-top: 34px; font-size: 24px; }
.process-item p { margin-top: 14px; font-size: 14px; line-height: 1.75; }

.timeline-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 64px; border-top: 1px solid rgba(201, 148, 54, .34); }
.timeline-item { position: relative; padding: 34px 34px 0 0; }
.timeline-item::before { position: absolute; top: -5px; left: 0; width: 9px; height: 9px; border-radius: 50%; content: ""; background: var(--ppt-gold-light); box-shadow: 0 0 14px rgba(201, 148, 54, .52); }
.timeline-item strong { color: var(--ppt-gold-light); font-family: Georgia, serif; font-size: 42px; font-weight: 400; }
.timeline-item h3 { margin-top: 18px; font-size: 22px; }
.timeline-item p { margin-top: 12px; font-size: 14px; }

.contact-layout { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(48px, 8vw, 120px); align-items: start; }
.contact-lead h2 { margin-top: 18px; }
.contact-lead p { max-width: 520px; margin-top: 26px; }
.contact-cards { display: grid; font-style: normal; }
.contact-card { display: grid; grid-template-columns: 110px 1fr; gap: 26px; padding: 28px 0; border-top: 1px solid rgba(201, 148, 54, .28); }
.contact-card:last-child { border-bottom: 1px solid rgba(201, 148, 54, .28); }
.contact-card span { color: var(--ppt-gold); font-size: 13px; letter-spacing: .08em; }
.contact-card p { margin: 0; color: var(--ppt-white); font-size: 17px; line-height: 1.75; }
.contact-card a { color: inherit; text-decoration: none; }
.contact-card a:hover { color: var(--ppt-gold-light); }
.contact-note { margin-top: 54px; padding-top: 32px; border-top: 1px solid rgba(201, 148, 54, .2); }

.next-page { border-top: 1px solid rgba(201, 148, 54, .2); background: #04080c; }
.next-page a { display: flex; justify-content: space-between; gap: 28px; align-items: center; min-height: 150px; color: var(--ppt-white); text-decoration: none; }
.next-page small { display: block; color: rgba(246, 243, 236, .44); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; }
.next-page strong { display: block; margin-top: 10px; font-family: "Noto Serif SC", "Songti SC", serif; font-size: clamp(28px, 3vw, 42px); font-weight: 500; }
.next-page i { color: var(--ppt-gold-light); font-size: 34px; font-style: normal; transition: transform .25s ease; }
.next-page a:hover i { transform: translateX(8px); }

.inner-footer-line { position: absolute; z-index: 2; top: 0; right: 0; left: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(143, 100, 38, .65) 18%, #e2b65d 50%, rgba(143, 100, 38, .65) 82%, transparent); box-shadow: 0 0 20px rgba(201, 148, 54, .2); }
.inner-page .site-footer { padding-top: 38px; }
.inner-page .footer-main { padding-top: 62px; }

.reveal {
  --reveal-x: 0px;
  --reveal-y: 24px;
  opacity: 0;
  transform: translate3d(var(--reveal-x), var(--reveal-y), 0);
  transition: opacity .68s ease, transform .78s cubic-bezier(.22, 1, .36, 1);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}
.reveal--left { --reveal-x: -28px; --reveal-y: 0px; }
.reveal--right { --reveal-x: 28px; --reveal-y: 0px; }
.reveal--media {
  --reveal-x: 0px;
  --reveal-y: 0px;
  clip-path: inset(0 7% 0 0);
  transform: scale(1.018);
  transition-property: opacity, transform, clip-path;
  transition-duration: .78s, .95s, .95s;
}
.reveal.is-visible { opacity: 1; transform: translate3d(0, 0, 0); }
.reveal--media.is-visible { clip-path: inset(0); transform: scale(1); }
.reveal-delay-1 { transition-delay: .08s; }
.reveal-delay-2 { transition-delay: .16s; }
.reveal-delay-3 { transition-delay: .24s; }
.noscript-nav { position: fixed; z-index: 120; top: 12px; left: 12px; padding: 10px 14px; background: #020406; }
.noscript-nav a { color: var(--ppt-gold-light); }

@media (max-width: 1080px) {
  .metric-strip,
  .values-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metric-item:nth-child(3),
  .metric-item:nth-child(4),
  .value-card:nth-child(3),
  .value-card:nth-child(4) { border-top: 1px solid rgba(201, 148, 54, .2); }
  .metric-item:nth-child(3),
  .value-card:nth-child(3) { border-left: 0; }
  .global-panel { grid-template-columns: 1fr; }
  .project-feature,
  .split-feature { grid-template-columns: 1fr; }
  .project-feature:nth-child(even) .project-feature-media { order: 0; }
  .project-feature-media,
  .split-feature-media { min-height: 420px; }
}

@media (max-width: 900px) {
  .source-english-grid { grid-template-columns: 1fr; }
  .page-hero { height: clamp(420px, 68svh, 540px); min-height: 420px; }
  .page-hero img { object-position: 24% center; }
  .page-scroll-cue { display: none; }
  .page-section { padding: 86px 0; }
  .page-intro,
  .section-heading-wide,
  .contact-layout { grid-template-columns: 1fr; gap: 32px; }
  .page-intro-copy { padding-top: 0; }
  .project-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .process-item { min-height: 0; border-top: 1px solid rgba(201, 148, 54, .2); border-left: 0; }
  .process-item:first-child { border-top: 0; }
  .process-item::after { right: auto; top: auto; bottom: -11px; left: 32px; transform: rotate(90deg); }
  .timeline-grid { grid-template-columns: 1fr; gap: 34px; }
  .timeline-item { padding-right: 0; }
  .detail-hero-copy { width: min(76vw, 620px); }
  .reveal--left { --reveal-x: -16px; }
  .reveal--right { --reveal-x: 16px; }
}

@media (max-width: 560px) {
  .page-hero { height: 420px; }
  .page-hero img { object-position: 22% center; }
  body[data-page="energy"] .page-hero img { object-position: 18% center; }
  body[data-page="port"] .page-hero img { object-position: 16% center; }
  body[data-page="contact"] .page-hero img { object-position: 22% center; }
  .detail-page .page-hero img { object-position: center; }
  body[data-page="environment"].detail-page .page-hero img { width: 100%; margin-left: 0; }
  .detail-hero-copy { top: 58%; left: 20px; width: calc(100% - 40px); transform: translateY(-50%); }
  .detail-hero-copy h1 { margin-top: 14px; font-size: clamp(32px, 9.6vw, 42px); }
  .detail-hero-copy span { margin-top: 12px; font-size: 11px; }
  .page-breadcrumb .container { min-height: 56px; font-size: 12px; }
  .section-index a { padding: 0 18px; font-size: 13px; }
  .section-index a::after { right: 18px; left: 18px; }
  .page-section { padding: 72px 0; }
  .page-section h2 { font-size: clamp(34px, 10vw, 44px); }
  .metric-strip,
  .values-grid { grid-template-columns: 1fr; }
  .metric-item,
  .metric-item:nth-child(n),
  .value-card,
  .value-card:nth-child(n) { min-height: 0; border-top: 1px solid rgba(201, 148, 54, .2); border-left: 0; }
  .metric-item:first-child,
  .value-card:first-child { border-top: 0; }
  .value-card h3 { margin-top: 28px; }
  .split-feature-media,
  .project-feature-media { min-height: 270px; }
  .split-feature-copy,
  .project-feature-copy { padding: 34px 26px 40px; }
  .global-map-card { padding: 10px; }
  .project-card-copy { padding: 26px 24px 30px; }
  .contact-card { grid-template-columns: 1fr; gap: 10px; }
  .next-page a { min-height: 126px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-hero img,
  .reveal { opacity: 1; clip-path: none; transform: none; transition: none; }
  .project-card-media img,
  .next-page i { transition: none; }
}