/* =====================================================================
   KO-GLASS · site.css
   Luxury minimal, black & white. Generous white space, refined uppercase
   headings, hairline dividers, large photography, quiet buttons.
   Logical properties (inline-start/end) keep layouts correct for Arabic (RTL).
   ===================================================================== */

:root {
  --bg: #ffffff;
  --paper: #f7f7f5;
  --ink: #111111;
  --ink-2: #3a3a3a;
  --soft: #8a8a8a;
  --rule: #e4e4e4;
  --dark: #0b0b0b;
  --on-dark: #c9c9c9;
  --on-dark-mute: #8f8f8f;
  --whatsapp: #25d366;

  --max: 1320px;
  --narrow: 760px;
  --gutter: 40px;
  --section-py: 128px;

  --font-display: "Plus Jakarta Sans", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-logo: "Manrope", system-ui, sans-serif;
}
:lang(ar) { --font-display: "Noto Sans Arabic", system-ui, sans-serif; --font-body: "Noto Sans Arabic", system-ui, sans-serif; }
:lang(zh-Hans) { --font-display: "Noto Sans SC", system-ui, sans-serif; --font-body: "Noto Sans SC", system-ui, sans-serif; }
:lang(ja) { --font-display: "Noto Sans JP", system-ui, sans-serif; --font-body: "Noto Sans JP", system-ui, sans-serif; }

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scrollbar-gutter: stable; background: var(--bg); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
body { margin: 0; background: var(--bg); color: var(--ink-2); font-family: var(--font-body); font-size: 15px; line-height: 1.7; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; background: none; border: 0; cursor: pointer; color: inherit; }
h1, h2, h3, h4, h5 { font-family: var(--font-display); font-weight: 600; color: var(--ink); margin: 0; }
p { margin: 0; }
ul { margin: 0; padding-inline-start: 1.1em; }
li { margin: 0 0 6px; }
:focus-visible { outline: 1px solid var(--ink); outline-offset: 4px; }
em { font: inherit; font-style: normal; color: inherit; } /* accents look the same as their heading */

@view-transition { navigation: auto; }
::view-transition-old(root), ::view-transition-new(root) { animation-duration: .25s; }

.skip-link { position: absolute; inset-inline-start: -9999px; top: 0; background: var(--ink); color: #fff; padding: 10px 16px; z-index: 200; }
.skip-link:focus { inset-inline-start: 16px; top: 16px; }

/* ---------- layout ---------- */
.wrap { max-width: var(--max); margin: 0 auto; padding-inline: var(--gutter); }
.section { padding-block: var(--section-py); }
.bg-paper { background: var(--paper); }
.dark { background: var(--dark); color: var(--on-dark); }

/* ---------- type ---------- */
.eyebrow { font-size: 12px; letter-spacing: .18em; text-transform: uppercase; color: var(--soft); margin-bottom: 22px; }
:lang(ar) .eyebrow, :lang(zh-Hans) .eyebrow, :lang(ja) .eyebrow { letter-spacing: .04em; }
.display { font-weight: 600; text-transform: uppercase; letter-spacing: .01em; line-height: 1.12; text-wrap: balance; }
:lang(ar) .display, :lang(zh-Hans) .display, :lang(ja) .display { letter-spacing: 0; line-height: 1.35; }
.display--xl { font-size: clamp(32px, 4.2vw, 60px); }
.display--l { font-size: clamp(26px, 3vw, 42px); }
.dark .display, .dark h3 { color: #fff; }

.lead { font-size: 17px; line-height: 1.75; color: var(--ink-2); max-width: 60ch; margin-top: 24px; }
.dark .lead { color: var(--on-dark); }
.lede-serif { font-size: 19px; line-height: 1.6; color: var(--ink); font-weight: 400; }
.prose { font-size: 15px; line-height: 1.8; color: var(--ink-2); }
.prose p + p { margin-top: 14px; }
.prose b, .prose strong { color: var(--ink); font-weight: 600; }
.label { font-size: 12px; letter-spacing: .08em; color: var(--soft); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 15px 30px; border: 1px solid var(--ink); background: transparent; color: var(--ink);
  font-family: var(--font-body); font-weight: 500; font-size: 12px; letter-spacing: .18em; text-transform: uppercase; line-height: 1.2;
  transition: background .25s ease, color .25s ease, border-color .25s ease;
}
:lang(ar) .btn, :lang(zh-Hans) .btn, :lang(ja) .btn { letter-spacing: .04em; font-size: 13px; }
.btn:hover, .btn--primary { background: var(--ink); color: #fff; }
.btn--primary:hover { background: transparent; color: var(--ink); }
.dark .btn { border-color: #fff; color: #fff; }
.dark .btn--primary { background: #fff; color: var(--ink); }
.dark .btn:hover { background: #fff; color: var(--ink); }
.dark .btn--primary:hover { background: transparent; color: #fff; }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 40px; }

/* ---------- utility bar ---------- */
.utility { background: var(--dark); color: var(--on-dark); font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; text-align: center; }
.utility .wrap { padding-block: 10px; }
:lang(ar) .utility, :lang(zh-Hans) .utility, :lang(ja) .utility { letter-spacing: .03em; }

/* ---------- header ---------- */
.header { position: sticky; top: 0; z-index: 40; background: rgba(255,255,255,.96); backdrop-filter: blur(8px); border-bottom: 1px solid var(--rule); }
.header .wrap { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 32px; padding-block: 22px; }
.header__left { display: flex; align-items: center; gap: 14px; }
.header__right { display: flex; align-items: center; gap: 18px; }

.logo { display: inline-flex; font-family: var(--font-logo); font-size: 22px; letter-spacing: .02em; line-height: 1; direction: ltr; }
.logo__ko { font-weight: 800; color: var(--ink); }
.logo__glass { font-weight: 400; color: var(--ink); }

.nav-main { display: flex; justify-content: center; gap: 34px; }
.nav-main a { position: relative; font-size: 12px; font-weight: 500; letter-spacing: .16em; text-transform: uppercase; color: var(--ink); padding-block: 6px; white-space: nowrap; }
:lang(ar) .nav-main a, :lang(zh-Hans) .nav-main a, :lang(ja) .nav-main a { letter-spacing: .02em; font-size: 14px; }
.nav-main a::after { content: ""; position: absolute; inset-inline: 0; bottom: 0; height: 1px; background: var(--ink); transform: scaleX(0); transition: transform .25s ease; }
.nav-main a:hover::after, .nav-main a[aria-current="page"]::after { transform: scaleX(1); }

.header__cta { font-size: 11.5px; font-weight: 500; letter-spacing: .16em; text-transform: uppercase; padding: 11px 18px; background: var(--ink); color: #fff; border: 1px solid var(--ink); transition: background .2s ease, color .2s ease; white-space: nowrap; }
.header__cta:hover { background: transparent; color: var(--ink); }
.header__cta .txt-short { display: none; }

/* language menu */
.lang { position: relative; }
.lang summary { list-style: none; cursor: pointer; display: flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 500; letter-spacing: .1em; color: var(--ink); padding: 6px 2px; }
.lang summary::-webkit-details-marker { display: none; }
.lang summary::after { content: ""; width: 6px; height: 6px; border-right: 1.3px solid currentColor; border-bottom: 1.3px solid currentColor; transform: rotate(45deg) translateY(-2px); }
.flag { width: 20px; height: 14px; object-fit: cover; border-radius: 2px; box-shadow: 0 0 0 1px rgba(0,0,0,.12); flex: 0 0 auto; }
.lang__menu { position: absolute; inset-inline-end: 0; top: calc(100% + 12px); min-width: 170px; list-style: none; margin: 0; padding: 8px 0; background: #fff; border: 1px solid var(--rule); box-shadow: 0 12px 30px rgba(0,0,0,.08); z-index: 50; }
.lang__menu li { margin: 0; }
.lang__menu a { display: flex; align-items: center; gap: 12px; padding: 9px 18px; font-size: 14px; color: var(--ink-2); }
.lang__menu a:hover { background: var(--paper); color: var(--ink); }
.lang__menu a[aria-current="true"] { color: var(--ink); font-weight: 600; }

.burger { display: none; position: relative; width: 28px; height: 28px; }
.burger span { position: absolute; inset-inline: 4px; height: 1.4px; background: var(--ink); transition: transform .2s ease, opacity .2s ease; }
.burger span:nth-child(1) { top: 8px; }
.burger span:nth-child(2) { top: 13.5px; }
.burger span:nth-child(3) { top: 19px; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

.drawer { position: fixed; inset: 0; z-index: 60; visibility: hidden; }
.drawer.is-open { visibility: visible; }
.drawer__backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.4); opacity: 0; transition: opacity .25s ease; }
.drawer.is-open .drawer__backdrop { opacity: 1; }
.drawer__panel { position: absolute; top: 0; bottom: 0; inset-inline-start: 0; width: min(86vw, 380px); background: var(--bg); padding: 24px 0; overflow-y: auto; transform: translateX(-100%); transition: transform .3s ease; display: flex; flex-direction: column; }
[dir="rtl"] .drawer__panel { transform: translateX(100%); }
.drawer.is-open .drawer__panel { transform: translateX(0); }
.drawer__head { display: flex; justify-content: space-between; align-items: center; padding: 0 24px 20px; border-bottom: 1px solid var(--rule); }
.drawer__close { font-size: 28px; line-height: 1; width: 36px; height: 36px; }
.drawer__nav a { display: block; padding: 18px 24px; border-bottom: 1px solid var(--rule); font-size: 13px; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--ink); }
.drawer__foot { margin-top: auto; padding: 24px; display: grid; gap: 10px; }
body.no-scroll { overflow: hidden; }

/* ---------- hero ---------- */
.hero { padding-top: 112px; }
.hero__text { text-align: center; max-width: 980px; }
.hero__text .display { margin-inline: auto; }
.hero__lead { font-size: 17px; line-height: 1.8; color: var(--ink-2); max-width: 62ch; margin: 28px auto 0; }
.hero__text .btn-row { justify-content: center; }
.hero__media, .media.hero__media { margin-top: 88px; border: 0; background: transparent; display: flex; justify-content: center; }
.media.hero__media img { width: auto; height: auto; max-width: 100%; max-height: min(82vh, 820px); object-fit: contain; }
.stats { margin-top: 72px; display: grid; grid-template-columns: repeat(var(--cols, 4), 1fr); gap: 40px; border-top: 1px solid var(--rule); padding-top: 40px; text-align: center; }
.stat__value { font-family: var(--font-display); font-weight: 500; font-size: 34px; letter-spacing: .01em; line-height: 1.1; color: var(--ink); }
.stat__unit { font-family: var(--font-body); font-size: 13px; color: var(--soft); letter-spacing: 0; }
.stat__label { margin-top: 10px; font-size: 11.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--ink); }
.stat__sub { margin-top: 6px; font-size: 13px; line-height: 1.6; color: var(--soft); }
.hero { padding-bottom: 8px; }
.hero:not(:has(.stats)) { padding-bottom: 0; }

/* ---------- image / placeholder ---------- */
.media { position: relative; overflow: hidden; background: var(--paper); }
.media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s ease; }
a:hover .media img { transform: scale(1.03); }
.media--empty { display: flex; align-items: center; justify-content: center; }
.media__glyph { width: 22%; max-width: 90px; color: rgba(0,0,0,.18); }
.media__caption { position: absolute; inset-inline: 0; bottom: 0; padding: 8px 10px; font-size: 11.5px; letter-spacing: .06em; color: #fff; background: linear-gradient(transparent, rgba(0,0,0,.55)); text-align: center; }

/* ---------- section heading ---------- */
.sec-head { text-align: center; max-width: var(--narrow); margin: 0 auto 80px; }
.sec-head .lead { margin-inline: auto; }
.sec-head .btn-row { justify-content: center; margin-top: 32px; }

/* ---------- cards ---------- */
.cards { display: grid; grid-template-columns: repeat(var(--cols, 3), 1fr); gap: 56px 40px; }
.card { display: flex; flex-direction: column; gap: 12px; padding-top: 28px; border-top: 1px solid var(--ink); }
.cards--photo .card { border-top: 0; padding-top: 0; }
.card__media { aspect-ratio: 4 / 5; margin-bottom: 14px; }
.card__tag { font-size: 11.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--soft); }
:lang(ar) .card__tag, :lang(zh-Hans) .card__tag, :lang(ja) .card__tag { letter-spacing: .02em; }
.card__title { font-size: 17px; font-weight: 600; letter-spacing: .04em; line-height: 1.35; text-transform: uppercase; }
:lang(ar) .card__title, :lang(zh-Hans) .card__title, :lang(ja) .card__title { letter-spacing: 0; }
a.card .card__title { transition: opacity .2s ease; }
a.card:hover .card__title { opacity: .6; }
.card__text { font-size: 14.5px; line-height: 1.75; color: var(--ink-2); }
.card__meta { margin-top: auto; padding-top: 18px; display: flex; justify-content: space-between; gap: 12px; font-size: 12px; letter-spacing: .06em; color: var(--soft); min-height: calc(18px + 3.4em); line-height: 1.7; }

/* ---------- pillars ---------- */
.pillars { display: grid; grid-template-columns: repeat(var(--cols, 4), 1fr); gap: 40px; }
.pillar { display: flex; flex-direction: column; gap: 12px; padding-top: 28px; border-top: 1px solid var(--ink); }
.pillar__list { list-style: none; padding: 0; font-size: 13.5px; line-height: 1.9; color: var(--ink-2); margin-top: 6px; }
.pillar__list li { margin: 0; padding-inline-start: 14px; position: relative; }
.pillar__list li::before { content: ""; position: absolute; inset-inline-start: 0; top: .9em; width: 5px; height: 1px; background: var(--ink); }

/* ---------- trust strip ---------- */
.trust { border-block: 1px solid var(--rule); margin-top: 88px; }
.trust .wrap { display: grid; grid-template-columns: repeat(var(--cols, 5), 1fr); gap: 24px; padding-block: 36px; text-align: center; }
.trust__title { font-size: 12.5px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--ink); }
.trust__sub { font-size: 12px; color: var(--soft); margin-top: 6px; }

/* ---------- case studies ---------- */
.cases { display: grid; grid-template-columns: repeat(var(--cols, 3), 1fr); gap: 40px; }
.case { display: flex; flex-direction: column; }
.case__media { aspect-ratio: 4 / 5; }
.case__body { display: flex; flex-direction: column; gap: 12px; padding-top: 28px; flex: 1; }
.case__stats { margin-top: auto; padding-top: 20px; border-top: 1px solid var(--rule); display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; align-items: start; min-height: 86px; }
.case__stats b { display: block; font-family: var(--font-display); font-weight: 500; font-size: 18px; color: var(--ink); line-height: 1.2; }
.case__stats span { display: block; margin-top: 6px; font-size: 12px; line-height: 1.5; color: var(--soft); }

/* ---------- CTA band ---------- */
.cta-band .wrap { text-align: center; max-width: var(--narrow); }
.cta-band .lead { margin-inline: auto; }
.cta-band .btn-row { justify-content: center; }

/* ---------- certifications ---------- */
.certs { display: grid; grid-template-columns: repeat(var(--cols, 4), 1fr); gap: 1px; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.14); }
.cert { background: var(--dark); padding: 34px 18px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; text-align: center; }
.cert__name { font-size: 14px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: #fff; }
.cert__note { font-size: 12px; color: var(--on-dark-mute); }

/* ---------- about intro ---------- */
.intro { padding-block: 112px 40px; }
.intro__grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 80px; align-items: start; margin-top: 96px; padding-top: 56px; border-top: 1px solid var(--rule); }
.intro__grid .btn-row { margin-top: 32px; }

/* ---------- detail blocks (services · gifting · capabilities) ---------- */
.detail { border-top: 1px solid var(--rule); scroll-margin-top: 90px; }
.detail__grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 96px; align-items: start; }
.detail .lede-serif { margin: 24px 0 22px; max-width: 34ch; }
.detail .prose { max-width: 46ch; }
.detail__side { display: flex; flex-direction: column; gap: 40px; }
.detail__h4 { font-size: 11.5px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--ink); padding-bottom: 14px; margin-bottom: 18px; border-bottom: 1px solid var(--ink); }
.detail__list { list-style: none; padding: 0; font-size: 14.5px; line-height: 1.75; color: var(--ink-2); }
.detail__list li { padding-block: 10px; border-bottom: 1px solid var(--rule); margin: 0; }
.detail__list b { color: var(--ink); font-weight: 600; }

.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.tag { border: 1px solid var(--rule); padding: 7px 14px; font-size: 12px; letter-spacing: .04em; color: var(--ink-2); }

.specs { border-top: 1px solid var(--ink); }
.specs__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding-block: 13px; border-bottom: 1px solid var(--rule); font-size: 14px; }
.specs__k { color: var(--soft); }
.specs__v { color: var(--ink); }

.steps { display: grid; grid-template-columns: repeat(var(--cols, 4), 1fr); gap: 24px; }
.step { display: flex; flex-direction: column; gap: 8px; padding-top: 18px; border-top: 1px solid var(--ink); }
.step__num { font-family: var(--font-display); font-weight: 500; font-size: 13px; letter-spacing: .1em; color: var(--soft); }
.step__title { font-size: 13px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; line-height: 1.4; }
.step__text { font-size: 13.5px; line-height: 1.65; }
.step .label { margin-top: auto; padding-top: 10px; min-height: calc(10px + 3em); line-height: 1.5; }

/* capability: header row + image column */
.cap__head { display: grid; grid-template-columns: 1fr 1.3fr; gap: 96px; align-items: end; margin-bottom: 64px; }
.cap__head .prose { max-width: 60ch; margin-top: 16px; }
.cap__grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 96px; align-items: start; }
.cap__main { aspect-ratio: 4 / 5; }
.cap__variants { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 12px; }
.cap__variants .media { aspect-ratio: 1 / 1; }
.cap__grid .detail__list { margin-top: 18px; }

.jump-bar { border-top: 1px solid var(--rule); padding-block: 40px; margin-top: 96px; }
.jump { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 30px; }
.jump a { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-2); padding-block: 4px; border-bottom: 1px solid transparent; }
.jump a:hover { color: var(--ink); border-bottom-color: var(--ink); }

/* ---------- FAQ ---------- */
.faq { max-width: var(--narrow); margin: 0 auto; border-top: 1px solid var(--ink); }
.faq details { border-bottom: 1px solid var(--rule); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 24px; align-items: center; padding: 24px 0; font-size: 16px; font-weight: 500; color: var(--ink); line-height: 1.5; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-weight: 300; font-size: 22px; transition: transform .25s ease; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 0 26px; font-size: 15px; line-height: 1.8; }

/* ---------- forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: 96px; align-items: start; }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.form .full { grid-column: 1 / -1; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field span { font-size: 11.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--soft); }
:lang(ar) .field span, :lang(zh-Hans) .field span, :lang(ja) .field span { letter-spacing: .02em; font-size: 13px; }
.field input, .field select, .field textarea { width: 100%; font: inherit; font-size: 15px; color: var(--ink); background: transparent; border: 0; border-bottom: 1px solid #cfcfcf; border-radius: 0; padding: 10px 0; transition: border-color .2s ease; }
.field select { appearance: none; background: transparent; }
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-bottom-color: var(--ink); }
.form .hp { position: absolute; inset-inline-start: -9999px; }
.form__submit { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; margin-top: 12px; }
.form__note { font-size: 13px; color: var(--soft); }

.contact-lines { margin-top: 48px; border-top: 1px solid var(--ink); }
.contact-line { padding-block: 18px; border-bottom: 1px solid var(--rule); display: grid; grid-template-columns: 120px 1fr; gap: 16px; align-items: baseline; }
.contact-line a, .contact-line div { font-size: 15px; color: var(--ink); }
.contact-line a:hover { opacity: .6; }

/* ---------- message pages ---------- */
.center-page { min-height: 62vh; display: flex; align-items: center; padding-block: 120px; }

/* ---------- footer ---------- */
.footer { background: var(--dark); color: var(--on-dark); padding-top: 96px; font-size: 14px; }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr 1.2fr; gap: 48px; }
.footer .logo { font-size: 26px; }
.footer .logo__ko, .footer .logo__glass { color: #fff; }
.footer__tagline { font-size: 13.5px; line-height: 1.7; margin: 22px 0; max-width: 34ch; }
.footer__addr { font-size: 13px; color: var(--on-dark-mute); line-height: 1.8; }
.footer h5 { font-size: 11.5px; font-weight: 500; letter-spacing: .18em; text-transform: uppercase; color: #fff; margin: 0 0 22px; }
:lang(ar) .footer h5, :lang(zh-Hans) .footer h5, :lang(ja) .footer h5 { letter-spacing: .02em; font-size: 13px; }
.footer ul { list-style: none; padding: 0; display: grid; gap: 12px; }
.footer ul li { margin: 0; }
.footer a { color: var(--on-dark); transition: color .2s ease; }
.footer a:hover { color: #fff; }
.footer__contact { line-height: 2; }
.footer__social { display: flex; gap: 10px; margin-top: 22px; }
.footer__social a { width: 34px; height: 34px; border: 1px solid rgba(255,255,255,.3); border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; }
.footer__social a:hover { background: #fff; color: var(--ink); }
.footer__social span { width: 34px; height: 34px; border: 1px solid rgba(255,255,255,.15); border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; opacity: .45; }
.footer__social { flex-wrap: wrap; }
.footer__social svg { width: 15px; height: 15px; }
.footer__bottom { margin-top: 88px; padding-block: 24px 32px; border-top: 1px solid rgba(255,255,255,.14); display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; font-size: 12px; letter-spacing: .06em; color: var(--on-dark-mute); }

/* ---------- floating buttons ---------- */
.wa-float { position: fixed; inset-inline-end: 24px; bottom: 24px; z-index: 50; display: inline-flex; align-items: center; gap: 10px; background: var(--whatsapp); color: #fff; padding: 12px 18px 12px 14px; border-radius: 999px; font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; box-shadow: 0 6px 18px rgba(0,0,0,.18); transition: transform .2s ease; }
.wa-float:hover { transform: translateY(-2px); }
.wa-float svg { width: 20px; height: 20px; flex: 0 0 auto; }
.totop { position: fixed; inset-inline-end: 24px; bottom: 90px; z-index: 50; width: 44px; height: 44px; border-radius: 50%; background: #fff; color: var(--ink); border: 1px solid var(--rule); display: inline-flex; align-items: center; justify-content: center; opacity: 0; transform: translateY(8px); pointer-events: none; transition: opacity .25s ease, transform .25s ease; }
.totop.is-visible { opacity: 1; transform: none; pointer-events: auto; }
.totop svg { width: 18px; height: 18px; }

/* ---------- responsive ---------- */
@media (max-width: 1240px) {
  .nav-main { gap: 22px; }
  .nav-main a { font-size: 11.5px; letter-spacing: .12em; }
  .footer__grid { grid-template-columns: 1fr 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 1100px) {
  .nav-main { display: none; }
  .burger { display: block; }
  .header .wrap { grid-template-columns: 1fr auto; }
}
@media (max-width: 960px) {
  :root { --gutter: 28px; --section-py: 96px; }
  .detail__grid, .cap__head, .cap__grid, .intro__grid, .form-grid { grid-template-columns: 1fr; gap: 48px; }
  .cards, .cases { grid-template-columns: repeat(2, 1fr); }
  .pillars { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .certs { grid-template-columns: repeat(3, 1fr); }
  .trust .wrap { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .media.hero__media img { max-height: 70vh; }
}
@media (max-width: 640px) {
  :root { --gutter: 20px; --section-py: 72px; }
  .utility { font-size: 10.5px; }
  .header .wrap { padding-block: 16px; gap: 14px; }
  .header__right { gap: 12px; }
  .header__cta .txt-long { display: none; }
  .header__cta .txt-short { display: inline; }
  .lang summary span { display: none; }
  .logo { font-size: 20px; }
  .hero { padding-top: 64px; }
  .hero__media { margin-top: 56px; }
  .sec-head { margin-bottom: 52px; }
  .cards, .cases, .pillars, .steps { grid-template-columns: 1fr; }
  .card__meta { min-height: 0; }
  .stats { gap: 28px 16px; }
  .stat__value { font-size: 28px; }
  .certs { grid-template-columns: repeat(2, 1fr); }
  .trust .wrap { grid-template-columns: repeat(2, 1fr); }
  .form { grid-template-columns: 1fr; }
  .contact-line { grid-template-columns: 1fr; gap: 4px; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .footer__contactcol { grid-column: 1 / -1; }
  .cap__variants { grid-template-columns: repeat(2, 1fr); }
  .wa-float span { display: none; }
  .wa-float { padding: 14px; inset-inline-end: 16px; bottom: 16px; }
  .totop { inset-inline-end: 18px; bottom: 80px; width: 40px; height: 40px; }
  .intro { padding-top: 64px; }
  .intro__grid { margin-top: 56px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
  ::view-transition-old(root), ::view-transition-new(root) { animation: none; }
}