/* ============================================================
   Zhejiang Ruiou Chemical — assets/css/style.css
   Pure CSS. No frameworks, no build, no external dependencies.
   ============================================================ */

:root {
  --navy-950:#07111E; --navy-900:#0B1B2D; --navy-800:#102942; --navy-700:#16395C; --navy-600:#1E4A73;
  --ivory:#F5F2EA; --ivory-2:#ECE7DA;
  --silver-100:#EEF2F6; --silver-200:#D7DEE7; --silver-300:#AEBBC9; --silver-400:#8493A4; --silver-500:#5E6B7B;
  --gold:#C8A552; --gold-soft:#E0CB8C; --gold-deep:#A8873B;
  --seal:#B23A2E;
  --up:#6FAF95;

  --serif: Georgia, "Iowan Old Style", "Times New Roman", "Songti SC", "Noto Serif CJK SC", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;

  --wrap: 1180px;
  --pad: clamp(20px, 5vw, 48px);
}

/* ---------- reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--sans);
  background: var(--navy-950);
  color: var(--silver-200);
  line-height: 1.6;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; line-height: 1.12; color: #fff; }
::selection { background: rgba(178,58,46,.85); color: #fff; }

/* ---------- helpers ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--pad); }
.eyebrow {
  font-size: 11px; letter-spacing: .32em; text-transform: uppercase; font-weight: 700;
  color: var(--gold); display: inline-flex; align-items: center; gap: 12px;
}
.eyebrow .cn { font-family: var(--serif); letter-spacing: .18em; color: rgba(200,165,82,.7); text-transform: none; }
.gold-rule { height: 1px; background: linear-gradient(90deg, rgba(200,165,82,.85), rgba(200,165,82,0)); border: 0; }
.section { padding-block: clamp(64px, 9vw, 120px); position: relative; }
:is(section, div)[id] { scroll-margin-top: 92px; }
.section-head { max-width: 720px; margin-bottom: clamp(36px, 5vw, 56px); }
.section-head h2 { font-size: clamp(28px, 4.4vw, 46px); font-weight: 500; margin-top: 18px; letter-spacing: -.01em; }
.section-head p { margin-top: 18px; color: var(--silver-400); font-size: 17px; }
.lead { font-size: 17px; color: var(--silver-300); }
.muted { color: var(--silver-500); }

/* tones */
.tone-dark { background: var(--navy-950); }
.tone-deep { background: linear-gradient(180deg, var(--navy-900), var(--navy-950)); }
.tone-ivory { background: var(--ivory); color: #3a4350; }
.tone-ivory h2, .tone-ivory h3 { color: var(--navy-900); }
.tone-ivory .eyebrow { color: var(--gold-deep); }
.tone-ivory .section-head p, .tone-ivory .muted { color: #5b6573; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px; border-radius: 999px;
  padding: 14px 26px; font-size: 14px; font-weight: 600; letter-spacing: .01em;
  transition: transform .3s cubic-bezier(.2,.7,.2,1), background .3s, border-color .3s, color .3s, box-shadow .3s;
  border: 1px solid transparent;
}
.btn svg { width: 16px; height: 16px; transition: transform .3s; }
.btn:hover svg { transform: translateX(3px); }
.btn-gold { background: var(--gold); color: var(--navy-950); box-shadow: 0 14px 40px -18px rgba(200,165,82,.9); }
.btn-gold:hover { background: var(--gold-soft); transform: translateY(-2px); }
.btn-ghost { border-color: rgba(255,255,255,.22); color: #fff; }
.btn-ghost:hover { border-color: rgba(200,165,82,.7); transform: translateY(-2px); }
.btn-ghost-dark { border-color: rgba(11,27,45,.25); color: var(--navy-900); }
.btn-ghost-dark:hover { border-color: var(--gold-deep); }

/* corporate seal */
.seal {
  position: relative; display: inline-grid; place-items: center; color: var(--seal);
  border: 2px solid var(--seal); border-radius: 6px; transform: rotate(-5deg); flex: none;
}
.seal::before { content: ""; position: absolute; inset: 4px; border: .5px solid rgba(178,58,46,.5); border-radius: 4px; }
.seal .glyphs {
  direction: rtl; display: grid; grid-auto-flow: column; grid-template-rows: 1fr 1fr; gap: .04em .18em;
  font-family: var(--serif); font-weight: 700; line-height: 1;
}
.seal--sm { width: 32px; height: 32px; border-width: 1.5px; }
.seal--sm .glyphs { font-size: 9px; }
.seal--lg { width: 96px; height: 96px; }
.seal--lg .glyphs { font-size: 27px; }

/* grain + glow atmosphere */
.atmos { position: relative; }
.atmos::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5; z-index: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.4'/%3E%3C/svg%3E");
}
.atmos > * { position: relative; z-index: 1; }

/* ---------- reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .9s cubic-bezier(.2,.7,.2,1), transform .9s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: .08s; } .reveal-d2 { transition-delay: .16s; } .reveal-d3 { transition-delay: .24s; }

/* scroll progress */
#progress { position: fixed; top: 0; left: 0; height: 2px; width: 0; z-index: 200; background: linear-gradient(90deg, var(--gold-deep), var(--gold-soft)); }

/* ============================================================
   HEADER
   ============================================================ */
.util {
  background: var(--navy-950); border-bottom: 1px solid rgba(255,255,255,.06);
  font-size: 12px; color: var(--silver-500);
}
.util .wrap { display: flex; align-items: center; justify-content: space-between; height: 38px; }
.util .cn { font-family: var(--serif); color: var(--silver-400); letter-spacing: .12em; }
.util a:hover { color: var(--gold); }
.util-right { display: flex; gap: 20px; align-items: center; }
@media (max-width: 880px){ .util { display: none; } }

.site-header {
  position: sticky; top: 0; z-index: 100; transition: background .4s, box-shadow .4s, border-color .4s;
  border-bottom: 1px solid rgba(255,255,255,.06); background: rgba(7,17,30,.55); backdrop-filter: blur(8px);
}
.site-header.scrolled { background: rgba(7,17,30,.92); box-shadow: 0 16px 40px -28px rgba(0,0,0,.9); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand .name { font-family: var(--serif); color: #fff; font-size: 16px; letter-spacing: .14em; line-height: 1.1; }
.brand .name small { display: block; font-family: var(--serif); font-size: 9.5px; color: var(--silver-500); letter-spacing: .3em; margin-top: 2px; }
.nav { display: flex; align-items: center; gap: 30px; }
.nav a { font-size: 13.5px; font-weight: 500; color: var(--silver-300); position: relative; transition: color .25s; }
.nav a::after { content: ""; position: absolute; left: 0; bottom: -7px; height: 1px; width: 0; background: var(--gold); transition: width .3s; }
.nav a:hover, .nav a.active { color: #fff; }
.nav a:hover::after, .nav a.active::after { width: 100%; }
.nav a.gold { color: var(--gold-soft); }
.header-cta { display: flex; align-items: center; gap: 14px; }
.menu-btn { display: none; background: none; border: 0; color: #fff; padding: 6px; }
@media (max-width: 1024px){
  .nav, .header-cta .btn { display: none; }
  .menu-btn { display: inline-flex; }
}

/* mobile drawer */
.drawer { position: fixed; inset: 0 0 0 auto; width: min(86vw, 360px); z-index: 150;
  background: var(--navy-900); border-left: 1px solid rgba(255,255,255,.08);
  transform: translateX(100%); transition: transform .45s cubic-bezier(.2,.7,.2,1); padding: 28px; display: flex; flex-direction: column; gap: 6px; }
.drawer.open { transform: none; }
.drawer a { padding: 14px 4px; border-bottom: 1px solid rgba(255,255,255,.06); color: var(--silver-200); font-size: 16px; }
.drawer a.gold { color: var(--gold-soft); }
.drawer .close { align-self: flex-end; background: none; border: 0; color: var(--silver-400); font-size: 26px; line-height: 1; margin-bottom: 8px; }
.scrim { position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 140; opacity: 0; pointer-events: none; transition: opacity .4s; }
.scrim.open { opacity: 1; pointer-events: auto; }

/* ============================================================
   HERO
   ============================================================ */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; overflow: hidden; background: var(--navy-950); }
.hero-bg { position: absolute; inset: -10% 0 0 0; z-index: 0; will-change: transform; }
.hero-bg::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(60% 55% at 78% 18%, rgba(30,74,115,.55), transparent 60%),
    radial-gradient(50% 50% at 12% 90%, rgba(168,135,59,.16), transparent 60%),
    linear-gradient(180deg, var(--navy-900), var(--navy-950));
}
.hero-routes { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .5; }
.hero .wrap { position: relative; z-index: 2; padding-block: 120px 90px; width: 100%; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(34px, 6.2vw, 70px); font-weight: 500; letter-spacing: -.015em; }
.hero h1 .accent { color: var(--gold-soft); }
.hero .cn-sub { font-family: var(--serif); color: var(--gold-soft); opacity: .9; font-size: clamp(18px,2.4vw,26px); letter-spacing: .06em; margin-top: 18px; }
.hero p.sub { margin-top: 22px; max-width: 560px; font-size: 17px; color: var(--silver-300); }
.hero-actions { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 14px; }
.hero-card {
  border: 1px solid rgba(255,255,255,.1); border-radius: 18px; padding: 28px;
  background: linear-gradient(180deg, rgba(16,41,66,.7), rgba(11,27,45,.55)); backdrop-filter: blur(6px);
  box-shadow: 0 40px 90px -50px rgba(0,0,0,.9);
}
.hero-card h3 { font-size: 15px; color: #fff; letter-spacing: .04em; }
.hero-card .seal-row { display: flex; align-items: center; gap: 16px; margin-bottom: 18px; }
.hero-card ul { list-style: none; padding: 0; margin: 14px 0 0; display: grid; gap: 12px; }
.hero-card li { display: flex; gap: 12px; font-size: 14px; color: var(--silver-300); align-items: flex-start; }
.hero-card li b { color: var(--gold); font-family: var(--mono); font-size: 12px; margin-top: 2px; }
.scroll-cue { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); z-index: 2; color: var(--silver-500); font-size: 11px; letter-spacing: .28em; text-transform: uppercase; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.scroll-cue span { width: 1px; height: 38px; background: linear-gradient(var(--gold), transparent); animation: cue 2.2s ease-in-out infinite; }
@keyframes cue { 0%,100%{ opacity:.3; transform: scaleY(.5); transform-origin: top; } 50%{ opacity:1; transform: scaleY(1);} }
@media (max-width: 920px){ .hero-grid { grid-template-columns: 1fr; gap: 36px; } .hero-card { order: 2; } }

/* stats band */
.stats { border-top: 1px solid rgba(255,255,255,.06); border-bottom: 1px solid rgba(255,255,255,.06); background: var(--navy-950); }
.stats .wrap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding-block: 44px; }
.stat .num { font-family: var(--serif); font-size: clamp(28px,4vw,42px); color: #fff; font-variant-numeric: tabular-nums; }
.stat .num i { color: var(--gold); font-style: normal; font-size: .55em; margin-left: 4px; }
.stat .lbl { margin-top: 8px; font-size: 12.5px; color: var(--silver-500); }
@media (max-width: 720px){ .stats .wrap { grid-template-columns: repeat(2,1fr); gap: 28px; } }

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(36px,6vw,72px); align-items: center; }
.about-copy p + p { margin-top: 18px; }
.about-points { list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 14px; }
.about-points li { display: flex; gap: 14px; align-items: flex-start; }
.about-points svg { width: 20px; height: 20px; flex: none; color: var(--gold); margin-top: 2px; }
.about-aside { border: 1px solid rgba(255,255,255,.08); border-radius: 18px; padding: 34px; background: linear-gradient(180deg, rgba(16,41,66,.5), rgba(11,27,45,.4)); }
.about-aside .spine { writing-mode: vertical-rl; text-orientation: upright; font-family: var(--serif); letter-spacing: .4em; color: rgba(200,165,82,.5); font-size: 15px; position: absolute; right: 18px; top: 28px; }
.about-aside { position: relative; }
.about-aside h3 { font-size: 22px; }
.about-aside dl { margin-top: 22px; display: grid; gap: 18px; }
.about-aside dt { font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--silver-500); }
.about-aside dd { margin-top: 4px; color: var(--silver-200); font-size: 15px; }
@media (max-width: 860px){ .about-grid { grid-template-columns: 1fr; } }

/* ============================================================
   PRODUCTS
   ============================================================ */
.prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.prod {
  border: 1px solid rgba(255,255,255,.08); border-radius: 16px; padding: 26px; background: rgba(16,41,66,.32);
  transition: transform .45s cubic-bezier(.2,.7,.2,1), border-color .45s, background .45s; display: flex; flex-direction: column;
}
.prod:hover { transform: translateY(-6px); border-color: rgba(200,165,82,.5); background: rgba(16,41,66,.55); }
.prod .top { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.prod h3 { font-size: 21px; }
.prod .formula { font-family: var(--mono); font-size: 12px; color: var(--gold); white-space: nowrap; }
.prod p { margin-top: 12px; font-size: 13.5px; color: var(--silver-400); }
.prod .apps { margin-top: 16px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.07); font-size: 12.5px; color: var(--silver-300); }
.prod .apps span { color: var(--silver-500); display: block; font-size: 10px; letter-spacing: .18em; text-transform: uppercase; margin-bottom: 5px; }
.prod .inq { margin-top: auto; padding-top: 18px; font-size: 13px; font-weight: 600; color: var(--gold); display: inline-flex; align-items: center; gap: 7px; }
.prod .inq svg { width: 14px; height: 14px; transition: transform .3s; }
.prod:hover .inq svg { transform: translateX(4px); }
@media (max-width: 900px){ .prod-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px){ .prod-grid { grid-template-columns: 1fr; } }

/* ============================================================
   METHANOL (flagship)
   ============================================================ */
.meth-hero { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(32px,5vw,64px); align-items: center; }
.meth-hero h2 { font-size: clamp(30px,4.6vw,50px); font-weight: 500; }
.meth-hero .cn { font-family: var(--serif); color: var(--gold-soft); letter-spacing: .1em; margin-top: 12px; font-size: 20px; }
.meth-hero p { margin-top: 20px; color: var(--silver-300); font-size: 16.5px; }
.meth-panel { border: 1px solid rgba(255,255,255,.1); border-radius: 18px; overflow: hidden; background: rgba(11,27,45,.5); }
.meth-panel .pad { padding: 28px; }
.meth-kpis { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid rgba(255,255,255,.08); }
.meth-kpis div { padding: 18px; text-align: center; border-right: 1px solid rgba(255,255,255,.08); }
.meth-kpis div:last-child { border-right: 0; }
.meth-kpis b { display: block; font-family: var(--serif); color: #fff; font-size: 22px; }
.meth-kpis span { font-size: 11px; color: var(--silver-500); letter-spacing: .1em; }
.meth-feats { margin-top: 56px; display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.feat { border: 1px solid rgba(255,255,255,.08); border-radius: 14px; padding: 24px; background: rgba(16,41,66,.3); transition: transform .4s, border-color .4s; }
.feat:hover { transform: translateY(-5px); border-color: rgba(200,165,82,.45); }
.feat h4 { color: #fff; font-size: 17px; }
.feat p { margin-top: 10px; font-size: 13.5px; color: var(--silver-400); }
.meth-spec { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px,5vw,60px); margin-top: 12px; }
.spec-list { border-top: 1px solid rgba(11,27,45,.14); }
.spec-list div { display: flex; justify-content: space-between; padding: 13px 0; border-bottom: 1px solid rgba(11,27,45,.14); font-size: 14px; }
.spec-list div b { font-family: var(--mono); font-weight: 500; color: var(--navy-900); }
.ports { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.ports span { border: 1px solid rgba(11,27,45,.18); background: rgba(255,255,255,.5); border-radius: 999px; padding: 8px 16px; font-size: 13px; color: var(--navy-900); }
.pricing-note { margin-top: 26px; border: 1px solid rgba(11,27,45,.14); background: rgba(255,255,255,.5); border-radius: 14px; padding: 24px; }
.pricing-note h4 { color: var(--navy-900); font-size: 17px; }
.pricing-note p { margin-top: 10px; font-size: 14px; color: #5b6573; }
@media (max-width: 900px){ .meth-hero, .meth-feats, .meth-spec { grid-template-columns: 1fr; } .meth-feats { gap: 14px; } }

/* ============================================================
   NETWORK / ROUTE MAP
   ============================================================ */
.routemap { border: 1px solid rgba(255,255,255,.08); border-radius: 20px; background: linear-gradient(180deg, rgba(16,41,66,.4), rgba(7,17,30,.6)); padding: clamp(18px,3vw,30px); }
.routemap svg { width: 100%; height: auto; }
.route-line { stroke: var(--navy-600); stroke-width: 1.4; fill: none; }
.route-flow { stroke: var(--gold); stroke-width: 1.4; fill: none; stroke-dasharray: 4 10; animation: flow 2.6s linear infinite; }
@keyframes flow { to { stroke-dashoffset: -140; } }
.route-node { animation: node 2.8s ease-in-out infinite; transform-box: fill-box; transform-origin: center; }
@keyframes node { 0%,100%{ opacity:.55; } 50%{ opacity:1; } }
.route-vessel { fill: var(--gold-soft); }
.route-legend { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 22px; font-size: 12.5px; color: var(--silver-400); font-family: var(--mono); }
.route-legend i { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 8px; vertical-align: middle; }
.route-cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; margin-top: 26px; }
.route-cards div { border: 1px solid rgba(255,255,255,.08); border-radius: 12px; padding: 18px; background: rgba(11,27,45,.4); }
.route-cards b { color: var(--gold-soft); font-family: var(--mono); font-size: 13px; }
.route-cards p { margin-top: 6px; font-size: 12.5px; color: var(--silver-500); }
@media (max-width: 760px){ .route-cards { grid-template-columns: 1fr; } }

/* ============================================================
   PROCESS TIMELINE
   ============================================================ */
.timeline { display: grid; grid-template-columns: repeat(7, 1fr); gap: 0; counter-reset: step; }
.timeline .step { position: relative; padding: 0 14px; text-align: center; }
.timeline .step::before { content: ""; position: absolute; top: 19px; left: 0; right: 0; height: 1px; background: rgba(200,165,82,.3); }
.timeline .step:first-child::before { left: 50%; }
.timeline .step:last-child::before { right: 50%; }
.timeline .dot { width: 40px; height: 40px; margin: 0 auto 18px; border-radius: 50%; border: 1px solid rgba(200,165,82,.5); background: var(--navy-900); display: grid; place-items: center; font-family: var(--mono); font-size: 13px; color: var(--gold); position: relative; z-index: 1; transition: transform .4s, border-color .4s, background .4s; }
.timeline .step:hover .dot { transform: scale(1.12); border-color: var(--gold); background: var(--navy-800); }
.timeline .step h4 { font-size: 14.5px; color: #fff; }
.timeline .step p { font-size: 12px; color: var(--silver-500); margin-top: 6px; }
@media (max-width: 860px){
  .timeline { grid-template-columns: 1fr; gap: 0; }
  .timeline .step { display: grid; grid-template-columns: 40px 1fr; gap: 18px; text-align: left; padding: 0 0 26px; }
  .timeline .step::before { top: 0; bottom: 0; left: 19px; right: auto; width: 1px; height: auto; }
  .timeline .step:first-child::before { top: 19px; }
  .timeline .step:last-child::before { bottom: auto; height: 19px; }
  .timeline .dot { margin: 0; }
}

/* ============================================================
   DOCUMENTS
   ============================================================ */
.doc-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; }
.doc { display: flex; gap: 12px; align-items: center; border: 1px solid rgba(11,27,45,.12); background: rgba(255,255,255,.55); border-radius: 12px; padding: 16px 18px; transition: transform .4s, border-color .4s; }
.doc:hover { transform: translateY(-4px); border-color: var(--gold-deep); }
.doc svg { width: 18px; height: 18px; color: var(--gold-deep); flex: none; }
.doc span { font-size: 13.5px; color: var(--navy-900); font-weight: 500; }
@media (max-width: 900px){ .doc-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 480px){ .doc-grid { grid-template-columns: 1fr; } }

/* ============================================================
   INSIGHTS / NEWS CARDS (shared)
   ============================================================ */
.cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.icard { border: 1px solid rgba(255,255,255,.08); border-radius: 16px; padding: 28px; background: rgba(16,41,66,.32); transition: transform .45s, border-color .45s; display: flex; flex-direction: column; }
.icard:hover { transform: translateY(-6px); border-color: rgba(200,165,82,.5); }
.icard .tag { font-size: 10.5px; letter-spacing: .18em; text-transform: uppercase; color: var(--gold); font-weight: 700; }
.icard h3 { margin-top: 14px; font-size: 19px; }
.icard p { margin-top: 12px; font-size: 13.5px; color: var(--silver-400); }
.icard .more { margin-top: auto; padding-top: 18px; color: var(--gold); font-size: 13px; font-weight: 600; }
@media (max-width: 900px){ .cards { grid-template-columns: 1fr; } }

/* article cards (with image) */
.acards { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.acard { border: 1px solid rgba(255,255,255,.08); border-radius: 16px; overflow: hidden; background: rgba(16,41,66,.3); transition: transform .45s, border-color .45s; display: flex; flex-direction: column; }
.acard:hover { transform: translateY(-6px); border-color: rgba(200,165,82,.5); }
.acard .thumb { aspect-ratio: 16/10; overflow: hidden; }
.acard .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.2,.7,.2,1); }
.acard:hover .thumb img { transform: scale(1.05); }
.acard .body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.acard .meta { display: flex; gap: 12px; font-size: 11px; color: var(--silver-500); letter-spacing: .04em; }
.acard .meta .cat { color: var(--gold); font-weight: 700; text-transform: uppercase; letter-spacing: .14em; }
.acard h3 { margin-top: 12px; font-size: 19px; line-height: 1.25; }
.acard p { margin-top: 10px; font-size: 13.5px; color: var(--silver-400); }
.acard .more { margin-top: auto; padding-top: 16px; color: var(--gold); font-size: 13px; font-weight: 600; display: inline-flex; align-items: center; gap: 7px; }
.acard .more svg { width: 14px; height: 14px; transition: transform .3s; }
.acard:hover .more svg { transform: translateX(4px); }
.tone-ivory .acard { background: rgba(255,255,255,.6); border-color: rgba(11,27,45,.1); }
.tone-ivory .acard p { color: #5b6573; }
@media (max-width: 900px){ .acards { grid-template-columns: 1fr; } }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 26px; }
.form-card, .contact-card { border: 1px solid rgba(255,255,255,.08); border-radius: 18px; padding: clamp(24px,3vw,38px); background: rgba(16,41,66,.32); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 22px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--silver-500); }
.field input, .field select, .field textarea {
  background: rgba(7,17,30,.6); border: 1px solid rgba(255,255,255,.12); border-radius: 10px; padding: 12px 14px;
  color: #fff; font-family: var(--sans); font-size: 14px; transition: border-color .25s;
}
.field input::placeholder, .field textarea::placeholder { color: var(--silver-500); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: rgba(200,165,82,.65); }
.field select option { background: var(--navy-900); }
.form-card .hint { margin-top: 14px; font-size: 12px; color: var(--silver-500); }
.contact-card dl { display: grid; gap: 20px; margin-top: 6px; }
.contact-card dt { font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--silver-500); }
.contact-card dd { margin-top: 5px; color: var(--silver-200); font-size: 15px; }
.contact-card dd a:hover { color: var(--gold); }
.contact-btns { margin-top: 26px; display: flex; flex-direction: column; gap: 12px; }
.btn-wa { background: #25D366; color: #07111E; }
.btn-wa:hover { filter: brightness(1.05); transform: translateY(-2px); }
@media (max-width: 860px){ .contact-grid, .form-grid { grid-template-columns: 1fr; } }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { background: var(--navy-950); border-top: 1px solid rgba(255,255,255,.08); }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 40px; padding-block: 64px; }
.foot-brand .name { font-family: var(--serif); color: #fff; font-size: 17px; letter-spacing: .14em; }
.foot-brand .cn { font-family: var(--serif); color: var(--silver-500); letter-spacing: .3em; font-size: 11px; margin-top: 4px; }
.foot-brand p { margin-top: 16px; max-width: 360px; font-size: 13.5px; color: var(--silver-500); }
.foot-col h4 { font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--silver-500); font-family: var(--sans); font-weight: 700; }
.foot-col ul { list-style: none; padding: 0; margin: 16px 0 0; display: grid; gap: 11px; }
.foot-col a, .foot-col li { font-size: 13.5px; color: var(--silver-400); }
.foot-col a:hover { color: var(--gold); }
.foot-bottom { border-top: 1px solid rgba(255,255,255,.06); }
.foot-bottom .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; padding-block: 22px; font-size: 12px; color: var(--silver-500); }
.foot-bottom .cn { font-family: var(--serif); }
@media (max-width: 760px){ .foot-grid { grid-template-columns: 1fr; gap: 30px; } }

/* ============================================================
   FLOATING WHATSAPP
   ============================================================ */
.wa-float { position: fixed; right: 18px; bottom: 18px; z-index: 120; display: inline-grid; place-items: center; width: 56px; height: 56px; border-radius: 50%; background: #25D366; box-shadow: 0 14px 34px -10px rgba(37,211,102,.6); transition: transform .3s; }
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 28px; height: 28px; }

/* ============================================================
   NEWS PAGE
   ============================================================ */
.page-hero { padding-block: clamp(110px,14vw,160px) clamp(40px,6vw,64px); position: relative; background: var(--navy-950); overflow: hidden; }
.page-hero h1 { font-size: clamp(34px,6vw,60px); font-weight: 500; }
.page-hero p { margin-top: 18px; max-width: 620px; color: var(--silver-400); font-size: 17px; }

.news-controls { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; margin-bottom: 34px; }
.search { position: relative; flex: 1; min-width: 240px; max-width: 360px; }
.search input { width: 100%; background: rgba(7,17,30,.6); border: 1px solid rgba(255,255,255,.12); border-radius: 999px; padding: 12px 16px 12px 42px; color: #fff; font-size: 14px; }
.search input:focus { outline: none; border-color: rgba(200,165,82,.6); }
.search svg { position: absolute; left: 15px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; color: var(--silver-500); }
.filters { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { border: 1px solid rgba(255,255,255,.14); background: transparent; color: var(--silver-300); border-radius: 999px; padding: 8px 15px; font-size: 12.5px; transition: all .25s; }
.chip:hover { border-color: rgba(200,165,82,.6); color: #fff; }
.chip.active { background: var(--gold); color: var(--navy-950); border-color: var(--gold); font-weight: 600; }

/* featured article */
.featured { display: grid; grid-template-columns: 1.15fr .85fr; gap: 0; border: 1px solid rgba(255,255,255,.1); border-radius: 18px; overflow: hidden; margin-bottom: 40px; background: rgba(16,41,66,.32); transition: border-color .4s; }
.featured:hover { border-color: rgba(200,165,82,.5); }
.featured .img { min-height: 320px; }
.featured .img img { width: 100%; height: 100%; object-fit: cover; }
.featured .body { padding: clamp(26px,3vw,44px); display: flex; flex-direction: column; justify-content: center; }
.featured .flag { font-size: 10.5px; letter-spacing: .2em; text-transform: uppercase; color: var(--gold); font-weight: 700; }
.featured .meta { display: flex; gap: 12px; font-size: 12px; color: var(--silver-500); margin-top: 14px; }
.featured h2 { font-size: clamp(24px,3vw,36px); font-weight: 500; margin-top: 12px; }
.featured p { margin-top: 14px; color: var(--silver-400); font-size: 15px; }
.featured .btn { margin-top: 26px; align-self: flex-start; }
@media (max-width: 820px){ .featured { grid-template-columns: 1fr; } .featured .img { min-height: 220px; } }

.no-results { text-align: center; padding: 60px 0; color: var(--silver-500); display: none; }

/* ============================================================
   ARTICLE PAGE
   ============================================================ */
.article-hero { position: relative; padding-block: clamp(110px,14vw,150px) 0; }
.article-hero .wrap { max-width: 860px; }
.article-hero .flag { font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--gold); font-weight: 700; }
.article-hero h1 { font-size: clamp(30px,5vw,52px); font-weight: 500; margin-top: 16px; letter-spacing: -.01em; }
.article-meta { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; margin-top: 22px; color: var(--silver-400); font-size: 13.5px; }
.article-meta .avatar { width: 34px; height: 34px; border-radius: 50%; background: linear-gradient(135deg, var(--navy-700), var(--navy-600)); display: grid; place-items: center; color: var(--gold-soft); font-family: var(--serif); font-size: 14px; }
.article-figure { margin-top: 36px; border-radius: 18px; overflow: hidden; border: 1px solid rgba(255,255,255,.08); }
.article-figure img { width: 100%; aspect-ratio: 16/8; object-fit: cover; }

.prose { max-width: 760px; margin: 0 auto; padding-block: clamp(40px,5vw,64px); }
.prose p, .prose ul, .prose ol, .prose blockquote { font-size: 17px; line-height: 1.8; color: var(--silver-300); margin-top: 22px; }
.prose h2 { font-size: 27px; margin-top: 46px; font-weight: 500; }
.prose h3 { font-size: 21px; margin-top: 34px; }
.prose ul, .prose ol { padding-left: 22px; }
.prose li { margin-top: 8px; }
.prose blockquote { border-left: 2px solid var(--gold); padding-left: 22px; color: var(--silver-200); font-family: var(--serif); font-size: 20px; font-style: italic; }
.prose a { color: var(--gold-soft); text-decoration: underline; text-underline-offset: 3px; }
.prose strong { color: #fff; }
.prose .gold-rule { margin-block: 40px; }

.share { display: flex; gap: 12px; align-items: center; max-width: 760px; margin: 0 auto; padding-bottom: 20px; }
.share span { font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--silver-500); }
.share a, .share button { width: 38px; height: 38px; border-radius: 50%; border: 1px solid rgba(255,255,255,.14); display: grid; place-items: center; color: var(--silver-300); background: transparent; transition: all .25s; }
.share a:hover, .share button:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-2px); }
.share svg { width: 16px; height: 16px; }

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}