/* ============================================================
   SMH PACK — Industrial brand stylesheet
   Navy + Matte Gold. Strong, sturdy, organized.
   ============================================================ */

:root {
  /* --- Brand palette (tweakable) --- */
  --navy-950: #0a1426;
  --navy-900: #0c1830;
  --navy-850: #0f1f3d;
  --navy-800: #142a52;
  --navy-700: #1d365f;
  --navy-600: #2a4775;
  --navy-line: #24355c;

  --gold: #5b9bf0;
  --gold-bright: #8fc0ff;
  --gold-deep: #2f6fd0;
  --accent-rgb: 91,155,240;

  --kraft: #b88a57;
  --kraft-soft: #d8b894;

  --paper: #f4f1ea;
  --paper-2: #ece6da;
  --paper-line: #ddd5c5;

  --ink: #16203a;          /* dark text on light */
  --ink-soft: #46506b;
  --on-dark: #eef1f7;      /* light text on dark */
  --on-dark-soft: #9aa6bf;

  /* --- Typography (tweakable) --- */
  --font-display: "Oswald", "Cairo", sans-serif;
  --font-head: "Cairo", "Archivo", sans-serif;
  --font-body: "Cairo", "Archivo", sans-serif;

  /* --- Scale / density (tweakable) --- */
  --content-scale: 1;
  --section-pad: calc(110px * var(--content-scale));
  --container: 1240px;
  --radius: 3px;
  --radius-lg: 5px;

  --shadow-card: 0 1px 0 rgba(255,255,255,.04), 0 18px 40px -24px rgba(0,0,0,.55);
  --ease: cubic-bezier(.22,.61,.36,1);
}

/* English (LTR) leans on Oswald/Archivo; Arabic on Cairo */
html[lang="en"] {
  --font-display: "Oswald", sans-serif;
  --font-head: "Archivo", sans-serif;
  --font-body: "Archivo", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-size: calc(16px * var(--content-scale));
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* hide content until i18n + layout applied to avoid flash */
body.booting { opacity: 0; }
body { transition: opacity .25s var(--ease); }

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 28px;
}
.section { padding-block: var(--section-pad); position: relative; }
.section--dark { background: var(--navy-900); color: var(--on-dark); }
.section--darker { background: var(--navy-950); color: var(--on-dark); }
.section--paper { background: var(--paper); color: var(--ink); }
.section--paper2 { background: var(--paper-2); color: var(--ink); }

.grid { display: grid; gap: clamp(20px, 3vw, 40px); }

/* ---------- Type ---------- */
h1,h2,h3,h4 { margin: 0; line-height: 1.08; font-weight: 700; }
.display {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: .005em;
  line-height: 1.02;
}
html[lang="en"] .display { text-transform: uppercase; letter-spacing: .01em; }

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: calc(13px * var(--content-scale));
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 18px;
}
.kicker::before {
  content: "";
  width: 30px; height: 2px;
  background: var(--gold);
  display: inline-block;
}
.section--dark .kicker, .section--darker .kicker { color: var(--gold-bright); }

.h-xl { font-size: clamp(40px, 6.2vw, 84px); }
.h-lg { font-size: clamp(32px, 4.4vw, 58px); }
.h-md { font-size: clamp(24px, 2.7vw, 38px); }
.lead { font-size: clamp(17px, 1.35vw, 21px); color: var(--ink-soft); max-width: 60ch; }
.section--dark .lead, .section--darker .lead { color: var(--on-dark-soft); }

.section-head { max-width: 720px; margin-bottom: clamp(40px, 5vw, 64px); }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head.center .kicker::before { display: none; }

.gold-text { color: var(--gold); }
.section--paper .gold-text, .section--paper2 .gold-text { color: var(--gold-deep); }

/* ---------- Buttons ---------- */
.btn {
  --btn-bg: var(--gold);
  --btn-fg: var(--navy-950);
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: calc(15px * var(--content-scale));
  letter-spacing: .02em;
  padding: 15px 28px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 2px solid var(--btn-bg);
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform .2s var(--ease), background .2s var(--ease), color .2s var(--ease), box-shadow .25s var(--ease);
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 14px 26px -14px rgba(var(--accent-rgb),.7); }
.btn--ghost {
  --btn-bg: transparent; --btn-fg: var(--on-dark);
  border-color: var(--navy-600);
}
.btn--ghost:hover { border-color: var(--gold); color: var(--gold-bright); box-shadow: none; }
.btn--outline-dark {
  --btn-bg: transparent; --btn-fg: var(--ink);
  border-color: var(--ink);
}
.btn--outline-dark:hover { background: var(--ink); color: var(--paper); box-shadow: none; }
.btn--lg { padding: 18px 34px; font-size: calc(16px * var(--content-scale)); }

/* ---------- Corrugated flute texture ---------- */
.flute {
  background-image: repeating-linear-gradient(
    90deg,
    transparent 0, transparent 6px,
    rgba(var(--accent-rgb),.10) 6px, rgba(var(--accent-rgb),.10) 7px,
    transparent 7px, transparent 13px,
    rgba(var(--accent-rgb),.05) 13px, rgba(var(--accent-rgb),.05) 14px
  );
}
.flute-edge {
  height: 14px;
  width: 100%;
  background:
    radial-gradient(circle at 7px 14px, var(--gold) 0 5px, transparent 6px) repeat-x;
  background-size: 14px 14px;
  opacity: .9;
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10,20,38,.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--navy-line);
  color: var(--on-dark);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 76px;
}
.brand { display: flex; align-items: center; gap: 13px; }
.brand .logo { width: 40px; height: 44px; flex: none; }
.brand .brand-name { font-family: var(--font-display); font-weight: 600; font-size: 22px; letter-spacing: .04em; color: var(--on-dark); line-height: 1; }
html[lang="en"] .brand .brand-name { text-transform: uppercase; }
.brand .brand-sub { font-family: var(--font-head); font-size: 10px; letter-spacing: .28em; color: var(--gold); text-transform: uppercase; }
.brand .brand-stack { display: flex; flex-direction: column; gap: 3px; }

.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  font-family: var(--font-head); font-weight: 600;
  font-size: 15px; padding: 10px 16px; border-radius: var(--radius);
  color: var(--on-dark-soft); position: relative; transition: color .2s var(--ease);
}
.nav-links a:hover { color: var(--on-dark); }
.nav-links a.active { color: var(--gold-bright); }
.nav-links a.active::after {
  content: ""; position: absolute; inset-inline: 16px; bottom: 2px; height: 2px; background: var(--gold);
}
.nav-right { display: flex; align-items: center; gap: 14px; }

.lang-toggle {
  display: inline-flex; border: 1px solid var(--navy-600); border-radius: var(--radius); overflow: hidden;
  font-family: var(--font-head); font-weight: 700; font-size: 13px;
}
.lang-toggle button {
  background: transparent; color: var(--on-dark-soft); border: 0; cursor: pointer;
  padding: 9px 13px; min-height: 40px; min-width: 40px; transition: background .2s, color .2s;
}
.lang-toggle button.active { background: var(--gold); color: var(--navy-950); }

.nav-toggle { display: none; background: transparent; border: 0; cursor: pointer; padding: 10px; min-width: 44px; min-height: 44px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--on-dark); margin: 5px 0; transition: .25s; }

/* ---------- Hero ---------- */
.hero {
  position: relative; background: var(--navy-950); color: var(--on-dark);
  overflow: hidden;
  padding-block: clamp(70px, 9vw, 130px);
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(1100px 600px at 78% -10%, rgba(var(--accent-rgb),.16), transparent 60%),
    radial-gradient(800px 500px at 5% 110%, rgba(28,54,95,.7), transparent 60%);
  pointer-events: none;
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1.08fr .92fr; gap: clamp(30px, 4vw, 64px); align-items: center; }
.hero-eyebrow { color: var(--gold-bright); }
.hero h1 { margin: 0 0 22px; }
.hero .lead { margin-bottom: 34px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.hero-stats { display: flex; gap: 38px; margin-top: 48px; flex-wrap: wrap; }
.stat .n { font-family: var(--font-display); font-weight: 600; font-size: clamp(30px, 3.6vw, 46px); color: var(--gold-bright); line-height: 1; }
.stat .l { font-family: var(--font-head); font-size: 13px; letter-spacing: .04em; color: var(--on-dark-soft); margin-top: 8px; }

.hero-visual { position: relative; }
.hero-visual image-slot { width: 100%; aspect-ratio: 4/5; }
.hero-badge {
  position: absolute; inset-block-end: -22px; inset-inline-start: -22px;
  background: var(--gold); color: var(--navy-950);
  padding: 18px 22px; border-radius: var(--radius-lg);
  font-family: var(--font-display); font-weight: 600; line-height: 1.05;
  box-shadow: var(--shadow-card);
}
.hero-badge b { display: block; font-size: 30px; }
.hero-badge span { font-size: 12px; font-family: var(--font-head); letter-spacing: .08em; }

/* ---------- Trust strip ---------- */
.trust {
  background: var(--navy-900); color: var(--on-dark-soft);
  border-block: 1px solid var(--navy-line);
}
.trust-inner { display: flex; align-items: center; gap: 26px; flex-wrap: wrap; justify-content: center; padding-block: 22px; }
.trust-inner .t-label { font-family: var(--font-head); font-size: 12px; letter-spacing: .2em; text-transform: uppercase; color: var(--gold); }
.trust-logos { display: flex; gap: 30px; flex-wrap: wrap; align-items: center; opacity: .8; }
.trust-logos span { font-family: var(--font-display); font-weight: 600; font-size: 18px; letter-spacing: .03em; color: var(--on-dark); }

/* ---------- Feature / Why cards ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1px; background: var(--navy-line); border: 1px solid var(--navy-line); }
.section--paper .cards, .section--paper2 .cards { background: var(--paper-line); border-color: var(--paper-line); }
.card {
  background: var(--navy-900); padding: 38px 32px; transition: background .25s var(--ease);
}
.section--paper .card, .section--paper2 .card { background: var(--paper); }
.card:hover { background: var(--navy-850); }
.section--paper .card:hover, .section--paper2 .card:hover { background: #fff; }
.card .ico { width: 46px; height: 46px; color: var(--gold); margin-bottom: 22px; }
.card h3 { font-family: var(--font-head); font-size: 21px; margin-bottom: 12px; }
.card p { margin: 0; color: var(--ink-soft); font-size: 15.5px; }
.section--dark .card p, .section--darker .card p { color: var(--on-dark-soft); }
.card .num { font-family: var(--font-display); font-weight: 600; font-size: 14px; color: var(--gold); letter-spacing: .15em; margin-bottom: 16px; }

/* ---------- Products ---------- */
.product-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 26px; }
.product {
  background: #fff; border: 1px solid var(--paper-line); border-radius: var(--radius-lg);
  overflow: hidden; display: flex; flex-direction: column; transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s;
}
.section--dark .product, .section--darker .product { background: var(--navy-850); border-color: var(--navy-line); }
.product:hover { transform: translateY(-5px); box-shadow: var(--shadow-card); border-color: var(--gold); }
.product image-slot { width: 100%; aspect-ratio: 16/11; }
.product-body { padding: 26px 24px 28px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.product .tag { font-family: var(--font-head); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--gold-deep); }
.section--dark .product .tag { color: var(--gold-bright); }
.product h3 { font-family: var(--font-head); font-size: 22px; }
.product p { margin: 0; color: var(--ink-soft); font-size: 15px; }
.section--dark .product p { color: var(--on-dark-soft); }
.product .more { margin-top: auto; font-family: var(--font-head); font-weight: 700; font-size: 14px; color: var(--gold-deep); display: inline-flex; align-items: center; gap: 8px; }
.section--dark .product .more { color: var(--gold-bright); }
.product .more svg { width: 16px; height: 16px; transition: transform .2s; }
.product:hover .more svg { transform: translateX(4px); }
html[dir="rtl"] .product:hover .more svg { transform: translateX(-4px); }

/* ---------- Sectors ---------- */
.sectors { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 18px; }
.sector {
  border: 1px solid var(--navy-line); border-radius: var(--radius-lg); padding: 30px 22px;
  display: flex; flex-direction: column; gap: 14px; align-items: flex-start;
  transition: border-color .25s, background .25s, transform .25s var(--ease);
  background: var(--navy-850);
}
.section--paper .sector, .section--paper2 .sector { background: #fff; border-color: var(--paper-line); }
.sector:hover { border-color: var(--gold); transform: translateY(-4px); }
.sector svg { width: 40px; height: 40px; color: var(--gold); }
.sector h4 { font-family: var(--font-head); font-size: 18px; }
.sector p { margin: 0; font-size: 14px; color: var(--on-dark-soft); }
.section--paper .sector p, .section--paper2 .sector p { color: var(--ink-soft); }

/* ---------- Process steps ---------- */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 28px; counter-reset: step; }
.step { position: relative; padding-top: 30px; }
.step .bar { height: 3px; background: var(--navy-line); position: relative; margin-bottom: 26px; }
.step .bar::before { content: ""; position: absolute; inset-inline-start: 0; top: 0; height: 3px; width: 42px; background: var(--gold); }
.step .s-num { font-family: var(--font-display); font-weight: 600; font-size: 15px; letter-spacing: .2em; color: var(--gold); }
.section--paper .step .s-num { color: var(--gold-deep); }
.step h3 { font-family: var(--font-head); font-size: 21px; margin: 12px 0 10px; }
.step p { margin: 0; color: var(--on-dark-soft); font-size: 15px; }
.section--paper .step p, .section--paper2 .step p { color: var(--ink-soft); }

/* ---------- Split / About highlight ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(34px, 5vw, 76px); align-items: center; }
.split image-slot { width: 100%; aspect-ratio: 5/4; }
.checklist { list-style: none; margin: 26px 0 0; padding: 0; display: grid; gap: 14px; }
.checklist li { display: flex; gap: 14px; align-items: flex-start; font-size: 16px; }
.checklist li svg { width: 22px; height: 22px; color: var(--gold); flex: none; margin-top: 3px; }

/* ---------- Stats band ---------- */
.statband { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1px; background: var(--navy-line); border-block: 1px solid var(--navy-line); }
.statband .cell { background: var(--navy-900); padding: 46px 28px; text-align: center; }
.statband .n { font-family: var(--font-display); font-weight: 600; font-size: clamp(34px, 4vw, 54px); color: var(--gold-bright); line-height: 1; }
.statband .l { font-family: var(--font-head); font-size: 14px; color: var(--on-dark-soft); margin-top: 12px; letter-spacing: .03em; }

/* ---------- Testimonials ---------- */
.quotes { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 26px; }
.quote {
  background: #fff; border: 1px solid var(--paper-line); border-radius: var(--radius-lg);
  padding: 34px 30px; display: flex; flex-direction: column; gap: 18px;
}
.section--dark .quote, .section--darker .quote { background: var(--navy-850); border-color: var(--navy-line); }
.quote .mark { font-family: var(--font-display); font-size: 56px; line-height: .6; color: var(--gold); height: 28px; }
.quote p { margin: 0; font-size: 16.5px; color: var(--ink); }
.section--dark .quote p { color: var(--on-dark); }
.quote .who { display: flex; align-items: center; gap: 14px; margin-top: auto; }
.quote .who .av { width: 46px; height: 46px; border-radius: 50%; background: var(--navy-800); color: var(--gold-bright); display: grid; place-items: center; font-family: var(--font-display); font-weight: 600; font-size: 18px; flex: none; }
.quote .who b { font-family: var(--font-head); font-size: 15px; display: block; }
.quote .who span { font-size: 13px; color: var(--ink-soft); }
.section--dark .quote .who span { color: var(--on-dark-soft); }

/* ---------- Gallery ---------- */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 180px; gap: 14px; }
.gallery image-slot { width: 100%; height: 100%; }
.gallery .g-tall { grid-row: span 2; }
.gallery .g-wide { grid-column: span 2; }

/* ---------- CTA band ---------- */
.cta-band { background: var(--gold); color: var(--navy-950); position: relative; overflow: hidden; }
.cta-band::after { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(90deg, transparent 0 18px, rgba(10,20,38,.05) 18px 19px, transparent 19px 38px, rgba(10,20,38,.025) 38px 39px); pointer-events: none; }
.cta-inner { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; padding-block: clamp(46px, 6vw, 72px); }
.cta-inner h2 { font-family: var(--font-display); font-weight: 600; font-size: clamp(28px, 3.6vw, 46px); max-width: 18ch; }
html[lang="en"] .cta-inner h2 { text-transform: uppercase; }
.cta-band .btn { --btn-bg: var(--navy-950); --btn-fg: var(--gold-bright); border-color: var(--navy-950); }
.cta-band .btn:hover { box-shadow: 0 14px 26px -14px rgba(10,20,38,.6); }

/* ---------- Forms ---------- */
.qform { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { font-family: var(--font-head); font-weight: 600; font-size: 14px; color: var(--on-dark); }
.section--paper .field label, .section--paper2 .field label { color: var(--ink); }
.field input, .field select, .field textarea {
  font-family: var(--font-body); font-size: 15px;
  background: var(--navy-950); color: var(--on-dark);
  border: 1px solid var(--navy-600); border-radius: var(--radius);
  padding: 14px 16px; transition: border-color .2s, box-shadow .2s;
}
.section--paper .field input, .section--paper .field select, .section--paper .field textarea,
.section--paper2 .field input, .section--paper2 .field select, .section--paper2 .field textarea {
  background: #fff; color: var(--ink); border-color: var(--paper-line);
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(var(--accent-rgb),.2); }
.field textarea { min-height: 130px; resize: vertical; }
.field .err { color: #e98b7a; font-size: 12.5px; min-height: 14px; }
.form-note { font-size: 13px; color: var(--on-dark-soft); }
.section--paper .form-note { color: var(--ink-soft); }

.form-success {
  display: none; align-items: center; gap: 14px;
  background: rgba(var(--accent-rgb),.12); border: 1px solid var(--gold);
  color: var(--gold-bright); padding: 18px 22px; border-radius: var(--radius-lg);
  font-family: var(--font-head); font-weight: 600;
}
.form-success.show { display: flex; }
.form-success svg { width: 26px; height: 26px; flex: none; }

/* ---------- Contact info ---------- */
.contact-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(34px, 4vw, 64px); align-items: start; }
.contact-cards { display: grid; gap: 16px; }
.cinfo { display: flex; gap: 18px; align-items: flex-start; padding: 22px 24px; border: 1px solid var(--navy-line); border-radius: var(--radius-lg); background: var(--navy-850); }
.cinfo .ico { width: 44px; height: 44px; border-radius: var(--radius); background: rgba(var(--accent-rgb),.14); color: var(--gold-bright); display: grid; place-items: center; flex: none; }
.cinfo .ico svg { width: 22px; height: 22px; }
.cinfo b { font-family: var(--font-head); font-size: 13px; letter-spacing: .1em; text-transform: uppercase; color: var(--on-dark-soft); display: block; margin-bottom: 5px; }
.cinfo a, .cinfo p { margin: 0; font-size: 16.5px; color: var(--on-dark); }
.map-wrap { border: 1px solid var(--navy-line); border-radius: var(--radius-lg); overflow: hidden; min-height: 320px; height: 100%; }
.map-wrap iframe { width: 100%; height: 100%; min-height: 320px; border: 0; filter: grayscale(.3) contrast(1.05); }

/* ---------- Page hero (inner pages) ---------- */
.page-hero { background: var(--navy-950); color: var(--on-dark); padding-block: clamp(64px, 8vw, 110px); position: relative; overflow: hidden; }
.page-hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(900px 500px at 85% -20%, rgba(var(--accent-rgb),.14), transparent 60%); }
.page-hero .inner { position: relative; }
.breadcrumb { font-family: var(--font-head); font-size: 13px; color: var(--on-dark-soft); letter-spacing: .04em; margin-bottom: 18px; display: flex; gap: 10px; align-items: center; }
.breadcrumb .gold-text { color: var(--gold-bright); }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-950); color: var(--on-dark-soft); padding-top: 70px; border-top: 1px solid var(--navy-line); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: 40px; padding-bottom: 56px; }
.footer-grid h4 { font-family: var(--font-head); font-size: 14px; letter-spacing: .12em; text-transform: uppercase; color: var(--on-dark); margin-bottom: 20px; }
.footer-links { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.footer-links a { font-size: 15px; transition: color .2s; }
.footer-links a:hover { color: var(--gold-bright); }
.footer-about p { font-size: 14.5px; max-width: 34ch; margin: 18px 0 0; }
.footer-social { display: flex; gap: 12px; margin-top: 22px; }
.footer-social a { width: 40px; height: 40px; border: 1px solid var(--navy-600); border-radius: var(--radius); display: grid; place-items: center; transition: border-color .2s, color .2s; }
.footer-social a:hover { border-color: var(--gold); color: var(--gold-bright); }
.footer-social svg { width: 18px; height: 18px; }
.footer-bottom { border-top: 1px solid var(--navy-line); padding-block: 24px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px; align-items: center; }
.footer-credit { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--on-dark-soft); transition: color .2s var(--ease); }
.footer-credit svg { width: 15px; height: 15px; color: var(--gold); }
.footer-credit b { font-family: var(--font-display); font-weight: 600; letter-spacing: .08em; color: var(--gold-bright); }
html[lang="en"] .footer-credit b { text-transform: uppercase; }
.footer-credit:hover { color: var(--on-dark); }
.footer-credit:hover b { color: var(--gold); }

/* ---------- Sustainability ---------- */
.sus-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 22px; }
.sus-card {
  border: 1px solid var(--navy-line); border-radius: var(--radius-lg); padding: 32px 26px;
  background: var(--navy-850); display: flex; flex-direction: column; gap: 14px;
  transition: border-color .25s, transform .25s var(--ease);
}
.section--paper .sus-card, .section--paper2 .sus-card { background: #fff; border-color: var(--paper-line); }
.sus-card:hover { border-color: var(--gold); transform: translateY(-4px); }
.sus-card .leaf {
  width: 50px; height: 50px; border-radius: 50%; display: grid; place-items: center; flex: none;
  background: rgba(var(--accent-rgb), .14); color: var(--gold);
}
.section--paper .sus-card .leaf, .section--paper2 .sus-card .leaf { color: var(--gold-deep); }
.sus-card .leaf svg { width: 26px; height: 26px; }
.sus-card h3 { font-family: var(--font-head); font-size: 19px; }
.sus-card p { margin: 0; font-size: 14.5px; color: var(--on-dark-soft); }
.section--paper .sus-card p, .section--paper2 .sus-card p { color: var(--ink-soft); }

/* ---------- FAQ accordion ---------- */
.faq-list { max-width: 860px; margin-inline: auto; display: grid; gap: 12px; }
.faq-item {
  border: 1px solid var(--navy-line); border-radius: var(--radius-lg); overflow: hidden;
  background: var(--navy-850); transition: border-color .25s;
}
.section--paper .faq-item, .section--paper2 .faq-item { background: #fff; border-color: var(--paper-line); }
.faq-item.open { border-color: var(--gold); }
.faq-q {
  width: 100%; text-align: start; background: transparent; border: 0; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  padding: 22px 26px; font-family: var(--font-head); font-weight: 700; font-size: 17px;
  color: inherit; min-height: 56px;
}
.faq-q .qx {
  width: 30px; height: 30px; flex: none; border-radius: 50%; display: grid; place-items: center;
  background: rgba(var(--accent-rgb), .14); color: var(--gold); transition: transform .3s var(--ease), background .25s;
}
.section--paper .faq-q .qx, .section--paper2 .faq-q .qx { color: var(--gold-deep); }
.faq-q .qx svg { width: 16px; height: 16px; }
.faq-item.open .faq-q .qx { transform: rotate(45deg); background: var(--gold); color: var(--navy-950); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s var(--ease); }
.faq-a p { margin: 0; padding: 0 26px 24px; font-size: 15.5px; color: var(--on-dark-soft); line-height: 1.75; max-width: 70ch; }
.section--paper .faq-a p, .section--paper2 .faq-a p { color: var(--ink-soft); }

/* ---------- Flute guide & comparison tables ---------- */
.smh-table-wrap { overflow-x: auto; border: 1px solid var(--navy-line); border-radius: var(--radius-lg); -webkit-overflow-scrolling: touch; }
.section--paper .smh-table-wrap, .section--paper2 .smh-table-wrap { border-color: var(--paper-line); }
.smh-table { width: 100%; border-collapse: collapse; min-width: 600px; }
.smh-table th, .smh-table td { padding: 18px 22px; text-align: start; font-size: 15.5px; border-bottom: 1px solid var(--navy-line); }
.section--paper .smh-table th, .section--paper .smh-table td,
.section--paper2 .smh-table th, .section--paper2 .smh-table td { border-color: var(--paper-line); }
.smh-table thead th {
  font-family: var(--font-head); font-weight: 700; font-size: 13px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--navy-950); background: var(--gold);
}
.smh-table tbody tr:last-child td { border-bottom: 0; }
.smh-table tbody td:first-child { font-family: var(--font-head); font-weight: 700; color: var(--gold-bright); }
.section--paper .smh-table tbody td:first-child, .section--paper2 .smh-table tbody td:first-child { color: var(--gold-deep); }
.smh-table tbody tr { transition: background .2s; }
.smh-table tbody tr:hover { background: rgba(var(--accent-rgb), .07); }
.smh-table td { color: var(--on-dark-soft); }
.section--paper .smh-table td, .section--paper2 .smh-table td { color: var(--ink-soft); }
.smh-table .flute-cell { display: flex; align-items: center; gap: 14px; }
.flute-ico { width: 46px; height: 30px; flex: none; border-radius: 3px; overflow: hidden; border: 1px solid var(--navy-line); display: block; }
.table-note { font-size: 13px; color: var(--on-dark-soft); margin: 16px 0 0; }
.section--paper .table-note, .section--paper2 .table-note { color: var(--ink-soft); }

/* ---------- Quality & certifications ---------- */
.qual-split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(34px, 5vw, 70px); align-items: center; }
.qual-checks { list-style: none; margin: 26px 0 0; padding: 0; display: grid; gap: 16px; }
.qual-checks li { display: flex; gap: 14px; align-items: flex-start; font-size: 16.5px; }
.qual-checks li svg { width: 24px; height: 24px; color: var(--gold); flex: none; margin-top: 2px; }
.cert-panel { background: var(--navy-850); border: 1px solid var(--navy-line); border-radius: var(--radius-lg); padding: 32px 30px; }
.section--paper .cert-panel, .section--paper2 .cert-panel { background: #fff; border-color: var(--paper-line); }
.cert-panel h3 { font-family: var(--font-head); font-size: 19px; margin: 0 0 6px; }
.cert-panel .cnote { font-size: 13px; color: var(--on-dark-soft); margin: 0 0 22px; }
.section--paper .cert-panel .cnote, .section--paper2 .cert-panel .cnote { color: var(--ink-soft); }
.cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.cert-grid image-slot { width: 100%; aspect-ratio: 1 / 1; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
  .wa-fab::after { animation: none; }
}

/* duo card grid (mission/vision etc.) */
.duo-grid { grid-template-columns: 1fr 1fr; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer-about { grid-column: 1 / -1; }
}
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { max-width: 460px; margin-inline: auto; width: 100%; }
  .split, .contact-grid, .qform, .duo-grid { grid-template-columns: 1fr; }
  .qual-split { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px 40px; }
  .footer-about { grid-column: auto; }
  .nav-links, .nav .desktop-cta { display: none; }
  .nav-toggle { display: block; }
  .site-header.open .nav-links {
    display: flex; position: absolute; inset-inline: 0; top: 76px;
    flex-direction: column; background: var(--navy-900); border-bottom: 1px solid var(--navy-line);
    padding: 14px 20px; gap: 2px; align-items: stretch;
    box-shadow: 0 20px 40px -16px rgba(0,0,0,.6);
  }
  .site-header.open .nav-links a { padding: 14px 12px; min-height: 48px; display: flex; align-items: center; }
  .site-header.open .nav-links a.active::after { inset-inline: 12px auto; width: 22px; bottom: 10px; }
}
@media (max-width: 680px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .product-grid { grid-template-columns: 1fr; }
  .hero-badge { inset-inline-start: 0; inset-block-end: -16px; padding: 14px 18px; }
  .hero-badge b { font-size: 24px; }
}
@media (max-width: 560px) {
  :root { --section-pad: calc(72px * var(--content-scale)); }
  .container { padding-inline: 20px; }
  .gallery { grid-template-columns: 1fr; grid-auto-rows: 200px; }
  .gallery .g-tall { grid-row: auto; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .hero-stats { gap: 22px 28px; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .cta-inner .btn { width: 100%; justify-content: center; }
  .quote { padding: 28px 22px; }
  .card { padding: 30px 24px; }
  .cert-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 380px) {
  .hero-stats .stat { flex: 1 0 40%; }
}

/* hide elements toggled off via tweaks */
[data-section][hidden] { display: none !important; }

/* ---------- Back to top ---------- */
.to-top {
  position: fixed; inset-block-end: 24px; inset-inline-start: 24px;
  width: 48px; height: 48px; border-radius: var(--radius);
  background: var(--gold); color: var(--navy-950); border: 0; cursor: pointer;
  display: grid; place-items: center; z-index: 40;
  opacity: 0; pointer-events: none; transform: translateY(10px);
  transition: opacity .25s var(--ease), transform .25s var(--ease), background .2s;
  box-shadow: 0 12px 26px -12px rgba(0,0,0,.5);
}
.to-top.show { opacity: 1; pointer-events: auto; transform: none; }
.to-top:hover { background: var(--gold-bright); }
.to-top svg { width: 22px; height: 22px; }

/* ---------- Floating WhatsApp button ---------- */
.wa-fab {
  position: fixed; inset-block-end: 24px; inset-inline-end: 24px; z-index: 45;
  display: inline-flex; align-items: center; gap: 0;
  background: #25d366; color: #062b16; border-radius: 999px;
  box-shadow: 0 14px 30px -10px rgba(37,211,102,.55), 0 4px 10px rgba(0,0,0,.25);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
  overflow: hidden;
}
.wa-fab:hover { transform: translateY(-3px); box-shadow: 0 20px 38px -12px rgba(37,211,102,.65); }
.wa-fab-ic { width: 58px; height: 58px; display: grid; place-items: center; flex: none; }
.wa-fab-ic svg { width: 30px; height: 30px; }
.wa-fab-label {
  font-family: var(--font-head); font-weight: 700; font-size: 15px; white-space: nowrap;
  max-width: 0; opacity: 0; overflow: hidden;
  transition: max-width .35s var(--ease), opacity .25s var(--ease), padding .35s var(--ease);
  padding-inline: 0;
}
.wa-fab:hover .wa-fab-label { max-width: 220px; opacity: 1; padding-inline-start: 20px; padding-inline-end: 4px; }
/* gentle attention pulse */
.wa-fab::after {
  content: ""; position: absolute; inset-block-end: 0; inset-inline-end: 0;
  width: 58px; height: 58px; border-radius: 999px; pointer-events: none;
  box-shadow: 0 0 0 0 rgba(37,211,102,.5); animation: waPulse 2.6s var(--ease) infinite;
}
@keyframes waPulse { 0%{box-shadow:0 0 0 0 rgba(37,211,102,.5);} 70%{box-shadow:0 0 0 16px rgba(37,211,102,0);} 100%{box-shadow:0 0 0 0 rgba(37,211,102,0);} }
@media (max-width: 560px) {
  .wa-fab { inset-block-end: 18px; inset-inline-end: 18px; }
  .wa-fab-ic { width: 54px; height: 54px; }
  .to-top { inset-block-end: 18px; inset-inline-start: 18px; width: 44px; height: 44px; }
}
@media print { .to-top, .wa-fab, .site-header .nav-toggle { display: none !important; } }