:root {
  --ink: #081a2b;
  --ink-2: #0d2940;
  --paper: #f7f8f5;
  --white: #ffffff;
  --gold: #d7a23a;
  --gold-soft: #f2d99f;
  --muted: #607080;
  --line: #dce3e7;
  --kraft: #aa7b43;
  --radius: 1.25rem;
  --shadow: 0 24px 70px rgba(5, 24, 42, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, "Segoe UI", Tahoma, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}
body[dir="rtl"], [dir="rtl"] { font-family: "Segoe UI", Tahoma, Arial, sans-serif; }
[dir="rtl"] .hero-content { margin-left: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
img { display: block; max-width: 100%; }
.skip-link { position: fixed; inset-block-start: .5rem; inset-inline-start: .5rem; transform: translateY(-180%); z-index: 100; background: var(--white); padding: .75rem 1rem; border-radius: .5rem; }
.skip-link:focus { transform: none; }
.container { width: min(1180px, calc(100% - 2rem)); margin-inline: auto; }
.topline { background: var(--gold); color: #152234; font-size: .78rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.topline .container { display: flex; justify-content: space-between; gap: 1rem; padding-block: .42rem; }
.site-header { position: absolute; z-index: 20; inset: 2.2rem 0 auto; color: var(--white); }
.nav-wrap { display: flex; align-items: center; min-height: 76px; border-bottom: 1px solid rgba(255,255,255,.2); }
.brand { display: inline-flex; align-items: center; gap: .75rem; font-size: 1.18rem; font-weight: 850; letter-spacing: -.025em; }
.brand-mark { width: 2.55rem; height: 2.55rem; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.55); border-radius: 50%; color: var(--gold); font-weight: 900; position: relative; }
.brand-mark::after { content: ""; position: absolute; width: .92rem; height: .36rem; border-block: 2px solid currentColor; transform: skewY(-20deg); }
.brand small { display: block; font-size: .62rem; letter-spacing: .18em; font-weight: 650; opacity: .7; text-transform: uppercase; }
.nav-links { margin-inline-start: auto; display: flex; align-items: center; gap: clamp(.85rem, 2vw, 1.8rem); font-size: .86rem; font-weight: 700; }
.nav-links a:not(.button):hover { color: var(--gold-soft); }
.lang-link { padding-inline-start: 1rem; border-inline-start: 1px solid rgba(255,255,255,.25); }
.button { display: inline-flex; min-height: 48px; padding: .72rem 1.2rem; align-items: center; justify-content: center; gap: .55rem; border: 1px solid transparent; border-radius: 999px; background: var(--gold); color: #102034; font-weight: 850; cursor: pointer; transition: transform .2s ease, background .2s ease, color .2s ease; }
.button:hover { transform: translateY(-2px); background: #efbd57; }
.button.secondary { background: transparent; border-color: rgba(255,255,255,.55); color: var(--white); }
.button.secondary:hover { background: var(--white); color: var(--ink); }
.button.dark { background: var(--ink); color: var(--white); }
.button.light { background: var(--white); color: var(--ink); }
.icon-arrow { font-size: 1.15em; }
.menu-button { display: none; margin-inline-start: auto; color: var(--white); background: transparent; border: 1px solid rgba(255,255,255,.4); border-radius: .7rem; width: 46px; height: 46px; }

.hero { min-height: 780px; color: var(--white); background: var(--ink); position: relative; overflow: hidden; display: grid; align-items: center; }
.hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(3,18,32,.97) 0%, rgba(3,18,32,.83) 35%, rgba(3,18,32,.14) 70%, rgba(3,18,32,.06) 100%), url("paper-mill-hero.webp") center/cover no-repeat; }
[dir="rtl"] .hero::before { transform: scaleX(-1); }
.hero::after { content: ""; position: absolute; inset: auto 0 0; height: 130px; background: linear-gradient(transparent, rgba(5,18,30,.45)); }
.hero-content { position: relative; z-index: 2; padding-block: 190px 110px; max-width: 700px; }
.eyebrow { display: flex; align-items: center; gap: .75rem; color: var(--gold-soft); text-transform: uppercase; letter-spacing: .16em; font-size: .72rem; font-weight: 850; }
.eyebrow::before { content: ""; width: 2.5rem; height: 2px; background: var(--gold); }
[dir="rtl"] .eyebrow { letter-spacing: 0; font-size: .84rem; }
h1, h2, h3 { margin: 0; line-height: 1.05; letter-spacing: -.045em; }
h1 { margin-top: 1.4rem; font-size: clamp(3.2rem, 6.6vw, 6.7rem); max-width: 760px; }
[dir="rtl"] h1, [dir="rtl"] h2, [dir="rtl"] h3 { letter-spacing: -.02em; }
.hero-copy { max-width: 610px; margin: 1.5rem 0 0; color: #d4dde4; font-size: clamp(1rem, 1.6vw, 1.18rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.hero-proof { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 3rem; }
.proof-pill { border: 1px solid rgba(255,255,255,.22); background: rgba(5,25,43,.5); backdrop-filter: blur(10px); border-radius: 999px; padding: .56rem .9rem; font-size: .78rem; color: #e5ebef; }
.hero-index { position: absolute; z-index: 3; inset-block-end: 2rem; inset-inline-end: max(1rem, calc((100vw - 1180px) / 2)); color: rgba(255,255,255,.55); font-size: .76rem; letter-spacing: .13em; text-transform: uppercase; display: flex; gap: .8rem; align-items: center; }
.hero-index::before { content: ""; width: 4.5rem; height: 1px; background: rgba(255,255,255,.35); }

.quick-select { position: relative; z-index: 4; margin-top: -60px; }
.quick-panel { display: grid; grid-template-columns: 1.1fr 1fr 1fr auto; background: var(--white); box-shadow: var(--shadow); border-radius: var(--radius); overflow: hidden; }
.quick-title { padding: 1.35rem 1.5rem; background: var(--ink-2); color: var(--white); }
.quick-title strong { display: block; font-size: 1.04rem; }
.quick-title span { color: #aebbc5; font-size: .76rem; }
.field-inline { display: flex; flex-direction: column; justify-content: center; padding: .9rem 1.25rem; border-inline-end: 1px solid var(--line); }
.field-inline label { font-size: .7rem; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; font-weight: 800; }
.field-inline select { border: 0; background: transparent; color: var(--ink); font-weight: 800; margin-top: .15rem; outline-offset: .3rem; }
.quick-panel .button { margin: 1rem; align-self: center; }

.section { padding-block: clamp(5rem, 8vw, 8rem); }
.section-head { display: grid; grid-template-columns: .8fr 1.2fr; gap: 3rem; align-items: end; margin-bottom: 2.5rem; }
.section-kicker { color: var(--kraft); font-size: .75rem; text-transform: uppercase; letter-spacing: .14em; font-weight: 900; }
.section h2 { font-size: clamp(2.2rem, 4.3vw, 4.6rem); }
.section-lead { max-width: 620px; color: var(--muted); margin: 0; font-size: 1.06rem; }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.product-card { min-height: 280px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; display: flex; flex-direction: column; position: relative; overflow: hidden; transition: transform .25s ease, box-shadow .25s ease; }
.product-card::after { content: ""; position: absolute; width: 170px; height: 170px; border: 28px solid #eef1ef; border-radius: 50%; inset: auto -44px -50px auto; }
.product-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.product-number { color: var(--kraft); font-size: .72rem; font-weight: 900; letter-spacing: .12em; }
.product-card h3 { margin-top: auto; font-size: 1.55rem; max-width: 72%; position: relative; z-index: 1; }
.product-card p { color: var(--muted); font-size: .9rem; max-width: 78%; position: relative; z-index: 1; }
.product-link { color: var(--ink); font-weight: 850; font-size: .82rem; position: relative; z-index: 1; }
.section-cta { margin-top: 2rem; display: flex; justify-content: center; }
.footer-strip { background: var(--ink); color: var(--white); padding: 2rem 0; }
.footer-strip .container { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.footer-strip p { margin: 0; color: #b8c5cf; }

.page-hero { min-height: 520px; background: var(--ink); color: var(--white); position: relative; overflow: hidden; display: flex; align-items: flex-end; }
.page-hero::before { content: ""; position: absolute; inset: 0; background:
  radial-gradient(circle at 85% 22%, rgba(215,162,58,.22), transparent 22rem),
  repeating-linear-gradient(118deg, transparent 0 88px, rgba(255,255,255,.035) 89px 90px),
  linear-gradient(135deg, #071827, #0d2b43); }
.page-hero::after { content: ""; position: absolute; inset: auto -8% -55% auto; width: 520px; aspect-ratio: 1; border: 64px solid rgba(255,255,255,.055); border-radius: 50%; }
.page-hero .container { position: relative; z-index: 2; padding-block: 175px 76px; }
.page-hero h1 { font-size: clamp(2.8rem, 6vw, 6rem); max-width: 900px; }
.page-hero p { max-width: 720px; margin: 1.4rem 0 0; color: #bdcbd5; font-size: 1.08rem; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.2rem; color: #9eb0bd; font-size: .78rem; }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb span[aria-hidden] { opacity: .5; }
.content-shell { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.content-main > *:first-child { margin-top: 0; }
.side-card { position: sticky; top: 1.5rem; background: var(--ink); color: var(--white); padding: 1.4rem; border-radius: var(--radius); }
.side-card h3 { font-size: 1.35rem; }
.side-card p { color: #b8c5cf; font-size: .9rem; }
.side-card .button { width: 100%; }
.side-links { margin: 1rem 0 0; padding: 0; list-style: none; border-top: 1px solid rgba(255,255,255,.15); }
.side-links a { display: flex; justify-content: space-between; padding: .75rem 0; border-bottom: 1px solid rgba(255,255,255,.12); color: #dce4e9; font-size: .82rem; }
.surface { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); }
.soft-section { background: #edf1f2; }
.dark-section { background: var(--ink); color: var(--white); }
.dark-section .section-lead, .dark-section .muted { color: #afbec9; }
.dark-section .section-kicker { color: var(--gold-soft); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.5rem, 4vw, 4rem); align-items: center; }
.split.align-start { align-items: start; }
.copy h2 { font-size: clamp(2.1rem, 4vw, 4.2rem); margin-bottom: 1.25rem; }
.copy h3 { font-size: 1.55rem; margin: 2rem 0 .8rem; }
.copy p { color: var(--muted); }
.dark-section .copy p { color: #afbec9; }
.check-list, .plain-list { list-style: none; padding: 0; margin: 1.4rem 0; display: grid; gap: .75rem; }
.check-list li { display: flex; gap: .75rem; align-items: flex-start; }
.check-list li::before { content: "✓"; display: grid; place-items: center; flex: 0 0 1.45rem; height: 1.45rem; border-radius: 50%; background: #e9f2ed; color: #17613d; font-size: .75rem; font-weight: 900; }
.dark-section .check-list li::before { background: rgba(215,162,58,.15); color: var(--gold-soft); }
.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.info-card { padding: 1.5rem; border-radius: var(--radius); background: var(--white); border: 1px solid var(--line); }
.info-card .meta { display: block; color: var(--kraft); font-size: .7rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 1rem; }
.info-card h3 { font-size: 1.35rem; line-height: 1.15; }
.info-card p { color: var(--muted); font-size: .9rem; margin-bottom: 0; }
.dark-section .info-card { background: rgba(255,255,255,.055); border-color: rgba(255,255,255,.12); }
.dark-section .info-card p { color: #b7c4cd; }
.number-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--white); }
.number-item { padding: 1.5rem; border-inline-end: 1px solid var(--line); }
.number-item:last-child { border: 0; }
.number-item strong { display: block; font-size: 1.05rem; }
.number-item span { color: var(--muted); font-size: .78rem; }
.step-grid { counter-reset: steps; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.step { counter-increment: steps; padding: 1.6rem; min-height: 220px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); }
.step::before { content: "0" counter(steps); display: block; color: var(--kraft); font-size: .75rem; font-weight: 900; letter-spacing: .12em; margin-bottom: 4rem; }
.step h3 { font-size: 1.4rem; }
.step p { color: var(--muted); font-size: .9rem; }
.data-table { width: 100%; border-collapse: collapse; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: table; }
.data-table th, .data-table td { padding: .95rem 1rem; text-align: start; border-bottom: 1px solid var(--line); vertical-align: top; }
.data-table th { width: 35%; background: #eef2f3; font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; }
.data-table td { color: var(--muted); }
.tag-list { display: flex; flex-wrap: wrap; gap: .6rem; margin: 1.25rem 0; }
.tag { display: inline-flex; border: 1px solid var(--line); background: var(--white); padding: .52rem .78rem; border-radius: 999px; font-size: .8rem; font-weight: 750; }
.notice { padding: 1rem 1.15rem; border-inline-start: 4px solid var(--gold); background: #fff9eb; color: #5c4a22; border-radius: .5rem; font-size: .88rem; }
.action-band { position: relative; overflow: hidden; background: var(--gold); color: var(--ink); padding: clamp(2rem, 5vw, 4rem); border-radius: calc(var(--radius) * 1.25); display: flex; justify-content: space-between; align-items: center; gap: 2rem; }
.action-band::after { content: ""; position: absolute; width: 210px; height: 210px; border: 34px solid rgba(8,26,43,.1); border-radius: 50%; inset: -80px -40px auto auto; }
.action-band > * { position: relative; z-index: 1; }
.action-band h2 { font-size: clamp(2rem, 4vw, 3.8rem); max-width: 700px; }
.action-band p { max-width: 580px; margin-bottom: 0; }
.form-wrap { background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); padding: clamp(1.2rem, 4vw, 3rem); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-field { display: flex; flex-direction: column; gap: .42rem; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: .78rem; font-weight: 850; color: var(--ink-2); }
.form-field input, .form-field select, .form-field textarea { width: 100%; border: 1px solid #cbd5da; border-radius: .72rem; background: #fbfcfc; padding: .82rem .9rem; color: var(--ink); }
.form-field textarea { min-height: 130px; resize: vertical; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { outline: 3px solid rgba(215,162,58,.28); border-color: var(--gold); }
.form-note { color: var(--muted); font-size: .78rem; }
.checkbox { display: flex; gap: .65rem; align-items: flex-start; font-size: .82rem; color: var(--muted); }
.checkbox input { width: 1rem; height: 1rem; margin-top: .22rem; }
.form-status { display: none; margin-top: 1rem; padding: 1rem; border-radius: .7rem; background: #edf6f1; color: #185739; font-weight: 700; }
.form-status.show { display: block; }
.faq-list { display: grid; gap: .7rem; }
.faq-list details { background: var(--white); border: 1px solid var(--line); border-radius: 1rem; padding: 0 1.1rem; }
.faq-list summary { cursor: pointer; font-weight: 850; padding: 1.1rem 2rem 1.1rem 0; position: relative; list-style: none; }
[dir="rtl"] .faq-list summary { padding: 1.1rem 0 1.1rem 2rem; }
.faq-list summary::after { content: "+"; position: absolute; inset-inline-end: 0; color: var(--kraft); font-size: 1.3rem; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { color: var(--muted); margin: 0 0 1.1rem; }
.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.article-card { display: flex; flex-direction: column; min-height: 250px; padding: 1.4rem; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); }
.article-card h3 { font-size: 1.35rem; margin-top: auto; }
.article-card p { color: var(--muted); font-size: .9rem; }
.article-body { max-width: 780px; }
.article-body h2 { font-size: clamp(1.8rem, 3vw, 2.7rem); margin: 3rem 0 1rem; }
.article-body h3 { font-size: 1.35rem; margin: 2rem 0 .7rem; }
.article-body p, .article-body li { color: #415464; }
.site-footer { background: #061522; color: var(--white); padding: 4rem 0 1.5rem; }
.footer-grid { display: grid; grid-template-columns: 1.3fr repeat(3, 1fr); gap: 2rem; }
.footer-about p { color: #9eafbb; max-width: 320px; font-size: .88rem; }
.footer-col h3 { font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; color: var(--gold-soft); margin-bottom: 1.1rem; }
.footer-col a { display: block; color: #b9c6cf; padding: .28rem 0; font-size: .86rem; }
.footer-col a:hover { color: var(--white); }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; margin-top: 3rem; padding-top: 1.3rem; border-top: 1px solid rgba(255,255,255,.1); color: #8396a4; font-size: .74rem; }
.mobile-rfq { display: none; position: fixed; z-index: 30; inset: auto .75rem .75rem; box-shadow: 0 12px 36px rgba(0,0,0,.25); }
.no-js-note { background: #fff6df; padding: .75rem 1rem; text-align: center; color: #59451d; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

@media (max-width: 920px) {
  .nav-links { display: none; position: absolute; inset: 76px 1rem auto; background: var(--ink); padding: 1rem; border: 1px solid rgba(255,255,255,.2); border-radius: 1rem; flex-direction: column; align-items: stretch; }
  .nav-links.open { display: flex; }
  .menu-button { display: grid; place-items: center; }
  .quick-panel { grid-template-columns: 1fr 1fr; }
  .quick-title { grid-column: 1 / -1; }
  .quick-panel .button { grid-column: 1 / -1; }
  .product-grid { grid-template-columns: 1fr 1fr; }
  .section-head { grid-template-columns: 1fr; gap: 1rem; }
  .content-shell { grid-template-columns: 1fr; }
  .side-card { position: static; }
  .info-grid, .article-grid { grid-template-columns: 1fr 1fr; }
  .number-grid { grid-template-columns: 1fr 1fr; }
  .step-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .topline span:last-child { display: none; }
  .site-header { inset-block-start: 1.95rem; }
  .hero { min-height: 720px; }
  .hero-content { padding-block: 150px 135px; }
  h1 { font-size: clamp(2.8rem, 14vw, 4.7rem); }
  .hero-copy { font-size: .98rem; }
  .hero-actions .button { width: 100%; }
  .hero-index { display: none; }
  .quick-panel { grid-template-columns: 1fr; }
  .field-inline { border-inline-end: 0; border-bottom: 1px solid var(--line); }
  .product-grid { grid-template-columns: 1fr; }
  .footer-strip .container { align-items: flex-start; flex-direction: column; }
  .page-hero .container { padding-block: 145px 56px; }
  .split, .info-grid, .article-grid, .form-grid { grid-template-columns: 1fr; }
  .form-field.full { grid-column: auto; }
  .number-grid { grid-template-columns: 1fr; }
  .number-item { border-inline-end: 0; border-bottom: 1px solid var(--line); }
  .action-band { align-items: flex-start; flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
  body.is-scrolled .mobile-rfq { display: inline-flex; }
  .hero::before { background: linear-gradient(rgba(3,18,32,.82), rgba(3,18,32,.74)), url("paper-mill-hero.webp") 64% center/cover no-repeat; }
  [dir="rtl"] .hero::before { background-position: 36% center; }
  .data-table, .data-table tbody, .data-table tr, .data-table th, .data-table td { display: block; width: 100%; }
  .data-table th { border-bottom: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}