/* ============================================================
   Distribuidora DEAL — hoja de estilos
   Paleta: tinta #131417 · rojo #C8102E · neutros cálidos #F7F7F5
   ============================================================ */

:root {
  --black: #131417;
  --black-deep: #0B0C0E;
  --ink: #17181C;
  --ink-2: #1E1F24;
  --red: #C8102E;
  --red-dark: #A50D26;
  --red-bright: #E8323F;
  --wa: #1DAA55;
  --wa-dark: #178B45;
  --paper: #F7F7F5;
  --gray-100: #E8E8E4;
  --gray-300: #C9CAC6;
  --txt: #1F2024;
  --txt-soft: #5A5C63;
  --txt-inv: #F5F5F4;
  --txt-inv-soft: #A8AAB0;
  --radius: 14px;
  --shadow: 0 6px 20px rgba(19, 20, 23, .07);
  --shadow-lg: 0 16px 40px rgba(19, 20, 23, .12);
  --font-display: 'Archivo', 'Arial', sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --header-h: 68px;
  --topbar-h: 38px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
}

body {
  font-family: var(--font-body);
  color: var(--txt);
  background: #fff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; }
ul { list-style: none; }

.container {
  width: min(1160px, 100% - 48px);
  margin-inline: auto;
}

.ico { width: 20px; height: 20px; flex: none; }

.skip-link {
  position: absolute; left: -999px; top: 8px; z-index: 200;
  background: var(--red); color: #fff; padding: 10px 18px; border-radius: 8px;
  font-weight: 700; text-decoration: none;
}
.skip-link:focus { left: 8px; }

:focus-visible { outline: 3px solid var(--red); outline-offset: 3px; border-radius: 4px; }

/* ============ Tipografía ============ */

h1, h2, h3 { line-height: 1.15; }

h1, h2 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -.015em;
}

h1 { font-size: clamp(2.25rem, 4.5vw, 3.4rem); }
h2 { font-size: clamp(1.55rem, 3vw, 2.2rem); }

h1 em, h2 em {
  font-style: normal;
  color: inherit;
}

.lead {
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  color: var(--txt-soft);
  max-width: 640px;
}

/* Eyebrow de sección */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--red);
  margin-bottom: 16px;
}
.tag::before {
  content: "";
  width: 22px;
  height: 2px;
  background: currentColor;
  flex: none;
}
.tag > span {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .16em;
}
.tag--red,
.section--dark .tag,
.hero .tag { color: var(--red-bright); }
.sec-head--center .tag::after {
  content: "";
  width: 22px;
  height: 2px;
  background: currentColor;
  flex: none;
}

.sec-head { margin-bottom: 48px; }
.sec-head--center { text-align: center; }
.sec-head--center .lead { margin: 14px auto 0; }
.sec-head:not(.sec-head--center) .lead { margin-top: 14px; }

/* ============ Botones ============ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .93rem;
  text-decoration: none;
  border: 1.5px solid transparent;
  border-radius: 10px;
  padding: 12px 22px;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease, color .15s ease, transform .15s ease;
}
.btn:active { transform: translateY(0) scale(.99); }
.btn--red {
  background: var(--red);
  color: #fff;
}
.btn--red:hover { background: var(--red-dark); transform: translateY(-1px); }
.btn--ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, .28);
}
.btn--ghost:hover { border-color: #fff; background: rgba(255, 255, 255, .06); transform: translateY(-1px); }
.btn--wa {
  background: var(--wa);
  color: #fff;
}
.btn--wa:hover { background: var(--wa-dark); transform: translateY(-1px); }
.btn--lg { padding: 14px 26px; font-size: .98rem; }
.btn--block { width: 100%; }

/* ============ Header ============ */

.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: var(--black);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  transition: box-shadow .25s ease;
}
.header.scrolled {
  box-shadow: 0 8px 24px rgba(0, 0, 0, .3);
}

/* Topbar de datos (se pliega al scrollear) */
.topbar {
  background: var(--black-deep);
  font-size: .78rem;
  color: var(--txt-inv-soft);
  max-height: var(--topbar-h);
  overflow: hidden;
  transition: max-height .25s ease, opacity .25s ease;
}
.header.scrolled .topbar { max-height: 0; opacity: 0; }
.topbar__inner {
  display: flex;
  align-items: center;
  gap: 26px;
  height: var(--topbar-h);
}
.topbar__item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  text-decoration: none;
  color: inherit;
  white-space: nowrap;
  transition: color .15s ease;
}
a.topbar__item:hover { color: #fff; }
.topbar__item svg { width: 14px; height: 14px; color: var(--red-bright); flex: none; }
.topbar__phone { margin-left: auto; font-weight: 600; }

.header__inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* Logo recreado */
.brand { text-decoration: none; display: inline-flex; flex-direction: column; align-items: flex-start; line-height: 1; }
.brand__tag {
  background: #fff;
  color: var(--black);
  font-size: .55rem;
  font-weight: 700;
  letter-spacing: .3em;
  padding: 3px 8px 3px 10px;
  transform: skewX(-12deg);
  border-radius: 2px;
  margin-left: 4px;
}
.brand__tag > span { display: inline-block; transform: skewX(12deg); }
.brand__deal {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 900;
  font-size: 1.8rem;
  color: var(--red-bright);
  letter-spacing: .01em;
  margin-top: 2px;
}

.nav { display: flex; align-items: center; gap: 28px; }
.nav > a:not(.btn) {
  position: relative;
  color: var(--txt-inv-soft);
  text-decoration: none;
  font-weight: 500;
  font-size: .9rem;
  transition: color .15s ease;
}
.nav > a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 2px;
  background: var(--red-bright);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .18s ease;
}
.nav > a:not(.btn):hover { color: #fff; }
.nav > a:not(.btn):hover::after { transform: scaleX(1); }
.nav__cta { padding: 10px 18px; font-size: .88rem; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 8px;
  cursor: pointer;
}
.nav-toggle span {
  width: 24px; height: 2.5px; border-radius: 2px;
  background: #fff;
  transition: transform .25s ease, opacity .25s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ============ Secciones (base) ============ */

.section--pad { padding: 96px 0; }
.section--pad-sm { padding: 72px 0; }
.section--gray { background: var(--paper); }
.section--dark {
  background: var(--black);
  color: var(--txt-inv);
}
.section--dark .lead { color: var(--txt-inv-soft); }

/* ============ Hero ============ */

.hero {
  background: var(--black);
  color: var(--txt-inv);
  padding: calc(var(--header-h) + var(--topbar-h) + 72px) 0 88px;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 56px;
  align-items: center;
}

.hero h1 { color: #fff; }

.hero__sub {
  margin-top: 20px;
  font-size: clamp(1rem, 1.3vw, 1.1rem);
  color: var(--txt-inv-soft);
  max-width: 500px;
}
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

/* Ficha de cotización */
.quote-card {
  justify-self: end;
  width: min(400px, 100%);
  background: #fff;
  color: var(--txt);
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 24px 56px rgba(0, 0, 0, .35);
}
.quote-card__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: -.01em;
}
.quote-card__sub {
  font-size: .89rem;
  color: var(--txt-soft);
  margin: 6px 0 18px;
}
.quote-card__facts {
  display: grid;
  gap: 13px;
  padding: 18px 0;
  margin-bottom: 20px;
  border-top: 1px solid var(--gray-100);
  border-bottom: 1px solid var(--gray-100);
}
.quote-card__facts li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: .92rem;
  font-weight: 500;
}
.quote-card__facts svg {
  width: 20px;
  height: 20px;
  color: var(--red);
  flex: none;
  margin-top: 1px;
}
.quote-card__mail {
  display: block;
  text-align: center;
  margin-top: 14px;
  font-size: .84rem;
  color: var(--txt-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color .15s ease;
}
.quote-card__mail:hover { color: var(--red); }

/* ============ Franja de datos ============ */

.trust {
  background: #fff;
  border-bottom: 1px solid var(--gray-100);
  padding: 26px 0;
}
.trust__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.trust__grid li {
  display: flex;
  align-items: center;
  gap: 13px;
}
.trust__ico {
  width: 42px;
  height: 42px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 11px;
  background: rgba(200, 16, 46, .07);
  color: var(--red);
}
.trust__ico svg { width: 21px; height: 21px; }
.trust__grid strong {
  display: block;
  font-size: .93rem;
  line-height: 1.3;
}
.trust__grid div > span {
  display: block;
  font-size: .8rem;
  color: var(--txt-soft);
}

/* ============ Marquee de marcas ============ */

.brands { background: #fff; overflow: hidden; }

.marquee {
  overflow: hidden;
  padding: 12px 0;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.marquee__track {
  display: flex;
  width: max-content;
  animation: marquee 60s linear infinite;
}
.marquee--reverse .marquee__track { animation-direction: reverse; animation-duration: 70s; }
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__group {
  display: flex;
  align-items: center;
  gap: 18px;
  padding-right: 18px;
}
.brand-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: 1px solid var(--gray-100);
  border-radius: 12px;
  padding: 13px 24px;
  transition: transform .18s ease, border-color .18s ease;
}
.brand-chip:hover { transform: translateY(-2px); border-color: var(--gray-300); }
.brand-chip img { height: 42px; width: auto; }

.brands__cta {
  text-align: center;
  margin-top: 28px;
  font-size: .92rem;
  color: var(--txt-soft);
}
.brands__cta a {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-left: 6px;
  color: var(--red);
  font-weight: 600;
  text-decoration: none;
}
.brands__cta a svg {
  width: 16px;
  height: 16px;
  transition: transform .18s ease;
}
.brands__cta a:hover svg { transform: translateX(3px); }

@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ============ Nosotros ============ */

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about__copy p { margin-top: 16px; color: var(--txt-soft); }
.about__copy p strong { color: var(--txt); }
.about__copy blockquote {
  margin-top: 24px;
  padding: 18px 22px;
  border-left: 3px solid var(--red);
  background: var(--paper);
  font-size: 1rem;
  color: var(--txt);
}

.about__features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.feature {
  background: #fff;
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  padding: 26px 24px;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.feature:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: var(--gray-300);
}
.feature__ico {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: 11px;
  background: rgba(200, 16, 46, .07);
  color: var(--red);
  margin-bottom: 16px;
}
.feature__ico svg { width: 24px; height: 24px; }
.feature h3 { font-size: 1.02rem; font-weight: 700; margin-bottom: 6px; }
.feature p { font-size: .9rem; color: var(--txt-soft); }

/* ============ Categorías ============ */

.cats__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.cat {
  position: relative;
  display: block;
  background: #fff;
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  padding: 28px 26px;
  text-decoration: none;
  color: inherit;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.cat:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: var(--gray-300);
}
.cat__arrow {
  position: absolute;
  top: 22px;
  right: 22px;
  width: 22px;
  height: 22px;
  color: var(--gray-300);
  opacity: 0;
  transform: translate(-4px, 4px);
  transition: opacity .18s ease, transform .18s ease, color .18s ease;
}
.cat:hover .cat__arrow {
  opacity: 1;
  transform: translate(0, 0);
  color: var(--red);
}
.cat__ico {
  width: 48px; height: 48px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: var(--paper);
  color: var(--txt);
  margin-bottom: 18px;
  transition: background .18s ease, color .18s ease;
}
.cat:hover .cat__ico { background: rgba(200, 16, 46, .07); color: var(--red); }
.cat__ico svg { width: 25px; height: 25px; }
.cat h3 { font-size: 1.12rem; font-weight: 700; margin-bottom: 8px; }
.cat p { font-size: .92rem; color: var(--txt-soft); }

/* ============ Fabricación propia ============ */

.factory__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.prod {
  --hole: var(--ink-2);
  background: var(--ink-2);
  border: 1px solid rgba(255, 255, 255, .09);
  border-radius: var(--radius);
  padding: 30px 26px 26px;
  text-align: center;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.prod:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, .22);
  box-shadow: 0 12px 28px rgba(0, 0, 0, .35);
}
.prod__bottle {
  height: 140px;
  width: 100%;
  margin-bottom: 18px;
  filter: drop-shadow(0 10px 16px rgba(0, 0, 0, .3));
  transition: transform .2s ease;
}
.prod:hover .prod__bottle { transform: translateY(-3px); }
.prod h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; color: #fff; }
.prod p { font-size: .88rem; color: var(--txt-inv-soft); }

.factory__cta {
  margin-top: 48px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.factory__cta p { color: var(--txt-inv-soft); font-weight: 600; }

/* ============ Línea papel ============ */

.paper__grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 64px;
  align-items: center;
}
.paper__copy p { margin-top: 16px; color: var(--txt-soft); }
.paper__list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.paper__list li {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--paper);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  padding: 18px 20px;
  font-weight: 600;
  font-size: .95rem;
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}
.paper__list li:hover {
  transform: translateX(3px);
  border-color: var(--gray-300);
  background: #fff;
}
.paper__list svg { width: 26px; height: 26px; flex: none; color: var(--red); }
.paper__list li:last-child { grid-column: 1 / -1; }

/* ============ A quiénes abastecemos ============ */

.clients__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.clients__grid li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  background: #fff;
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  padding: 24px 12px;
  font-weight: 600;
  font-size: .9rem;
  text-align: center;
  transition: border-color .18s ease;
}
.clients__grid li:hover { border-color: var(--gray-300); }
.clients__grid svg { width: 28px; height: 28px; color: var(--red); }

/* ============ Contacto ============ */

.contact { background: #fff; }
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.contact__cards { display: grid; gap: 16px; }

.ccard {
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--paper);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  padding: 22px 24px;
  text-decoration: none;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
a.ccard:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: var(--gray-300); }
.ccard__ico { width: 30px; height: 30px; flex: none; color: var(--red); }
.ccard div { flex: 1; min-width: 0; }
.ccard strong { display: block; font-size: 1rem; }
.ccard span { font-size: .88rem; color: var(--txt-soft); overflow-wrap: anywhere; }
.ccard__arrow { width: 20px; height: 20px; flex: none; color: var(--txt-soft); transition: transform .2s ease, color .2s ease; }
a.ccard:hover .ccard__arrow { transform: translateX(4px); color: var(--red); }

.ccard--wa {
  background: var(--black);
  border-color: var(--black);
  color: #fff;
}
.ccard--wa .ccard__ico { color: var(--wa); }
.ccard--wa span { color: var(--txt-inv-soft); }
.ccard--wa .ccard__arrow { color: var(--txt-inv-soft); }
a.ccard--wa:hover { border-color: var(--wa); box-shadow: var(--shadow-lg); }
a.ccard--wa:hover .ccard__arrow { color: var(--wa); }

.cform {
  background: var(--paper);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
}
.cform h3 { font-size: 1.25rem; font-weight: 700; }
.cform__hint { font-size: .88rem; color: var(--txt-soft); margin: 6px 0 20px; }
.cform label {
  display: block;
  font-size: .82rem;
  font-weight: 700;
  margin: 14px 0 6px;
}
.cform input,
.cform textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: .95rem;
  color: var(--txt);
  background: #fff;
  border: 1.5px solid var(--gray-300);
  border-radius: 12px;
  padding: 12px 14px;
  transition: border-color .15s ease, box-shadow .15s ease;
  resize: vertical;
}
.cform input:focus,
.cform textarea:focus {
  outline: none;
  border-color: var(--red);
  box-shadow: 0 0 0 4px rgba(200, 16, 46, .1);
}
.btn.is-sent {
  background: var(--wa);
  pointer-events: none;
}
.cform button[type="submit"] { margin-top: 22px; }
.cform__alt {
  display: block;
  width: 100%;
  margin-top: 12px;
  background: none;
  border: 0;
  font-family: var(--font-body);
  font-size: .88rem;
  font-weight: 600;
  color: var(--txt-soft);
  text-decoration: underline;
  cursor: pointer;
}
.cform__alt:hover { color: var(--red); }

.contact__map { margin-top: 40px; }
.contact__map iframe {
  width: 100%;
  height: 340px;
  border: 0;
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow);
  filter: grayscale(.85) contrast(1.05);
  transition: filter .3s ease;
}
.contact__map iframe:hover { filter: grayscale(0); }

/* ============ Footer ============ */

.footer {
  background: var(--black);
  color: var(--txt-inv-soft);
  padding: 64px 0 0;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}
.brand--footer .brand__deal { font-size: 2.2rem; }
.footer__tagline { margin-top: 14px; font-size: .92rem; max-width: 300px; }
.footer__nav { display: flex; flex-direction: column; gap: 10px; }
.footer__nav a,
.footer__contact a {
  color: var(--txt-inv-soft);
  text-decoration: none;
  font-size: .92rem;
  transition: color .15s ease;
}
.footer__nav a:hover,
.footer__contact a:hover { color: #fff; }
.footer__contact { display: grid; gap: 10px; font-size: .92rem; }
.footer__bottom { padding: 22px 0; font-size: .82rem; }

/* ============ WhatsApp flotante ============ */

.wa-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 90;
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  background: var(--wa);
  color: #fff;
  border-radius: 50%;
  box-shadow: 0 10px 26px rgba(0, 0, 0, .28);
  transition: transform .2s ease;
}
.wa-float:hover { transform: scale(1.06); }
.wa-float svg { width: 30px; height: 30px; }

/* ============ Animaciones de entrada ============ */

.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .5s ease, transform .5s ease;
}
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .06s; }
.reveal.d2 { transition-delay: .12s; }
.reveal.d3 { transition-delay: .18s; }
.reveal.d4 { transition-delay: .24s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .marquee__track { animation-duration: 160s; }
}

/* ============ Responsive ============ */

@media (max-width: 1060px) {
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .quote-card { justify-self: start; }
  .hero__sub { max-width: 620px; }
  .clients__grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 900px) {
  .nav {
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: var(--black);
    padding: 18px 24px 26px;
    box-shadow: 0 24px 40px rgba(0, 0, 0, .4);
    transform: translateY(-130%);
    transition: transform .3s ease;
    visibility: hidden;
  }
  .nav.open { transform: translateY(0); visibility: visible; }
  .nav > a:not(.btn) { padding: 12px 4px; font-size: 1rem; border-bottom: 1px solid rgba(255, 255, 255, .07); }
  .nav__cta { margin-top: 14px; justify-content: center; }
  .nav-toggle { display: flex; }

  .about__grid, .paper__grid { grid-template-columns: 1fr; gap: 40px; }
  .cats__grid, .factory__grid { grid-template-columns: 1fr 1fr; }
  .contact__grid { grid-template-columns: 1fr; }
  .trust__grid { grid-template-columns: 1fr 1fr; gap: 18px 24px; }
}

@media (max-width: 640px) {
  .container { width: min(1160px, 100% - 36px); }
  .section--pad { padding: 68px 0; }
  .section--pad-sm { padding: 52px 0; }
  .hero { padding: calc(var(--header-h) + var(--topbar-h) + 44px) 0 64px; }
  .hero__cta .btn { width: 100%; }
  .topbar__hide-sm { display: none; }
  .quote-card { padding: 24px 20px; }
  .cats__grid, .factory__grid, .about__features { grid-template-columns: 1fr; }
  .paper__list { grid-template-columns: 1fr; }
  .paper__list li:last-child { grid-column: auto; }
  .clients__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .brand-chip { padding: 10px 18px; }
  .brand-chip img { height: 34px; }
  .cform { padding: 24px 20px; }
}

@media (max-width: 480px) {
  .trust__grid { grid-template-columns: 1fr; }
}