/* Băng Keo Hợp Thành — giao diện theo ProductHub. Xem STYLE.md */

:root {
  --bg: #fafafa;
  --surface: #ffffff;
  --text: #000000;
  --muted: #666666;
  --border: #ebebeb;
  --accent: #c0392b;
  --accent-soft: #fbe4e1;
  --chip: #ebebeb;
  --overlay-chip: rgba(255, 255, 255, 0.92);
  --img-bg: #f1f1f1;
  --btn-bg: #000000;
  --btn-text: #ffffff;
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
  --radius: 10px;
  --radius-sm: 8px;
  --container: 1200px;
  --gutter: 24px;
  --font: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d0d0d;
    --surface: #000000;
    --text: #ffffff;
    --muted: #a1a1a1;
    --border: #2b2b2b;
    --accent: #e0574a;
    --accent-soft: #3d1310;
    --chip: #222222;
    --overlay-chip: rgba(0, 0, 0, 0.72);
    --img-bg: #1a1a1a;
    --btn-bg: #ffffff;
    --btn-text: #000000;
    color-scheme: dark;
  }
}

*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, p { margin: 0; }

.container {
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.divider { border-top: 1px solid var(--border); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 48px;
  padding: 0 24px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 16px;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  transition: opacity 0.2s ease, background-color 0.2s ease;
}
.btn:hover { opacity: 0.75; }
.btn svg { width: 18px; height: 18px; flex: none; }
.btn--dark { background: var(--btn-bg); color: var(--btn-text); border-color: var(--btn-bg); }
.btn--block { width: 100%; }
.btn--sm { height: 40px; padding: 0 16px; font-size: 15px; }

/* ---------- Header ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0 12px;
}
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 500; font-size: 16px; }
.logo img { width: 34px; height: 34px; border-radius: 50%; object-fit: cover; background: #fff; }
.nav { display: flex; align-items: center; gap: 24px; }
.nav__links { display: flex; align-items: center; gap: 24px; }
.nav__links a { color: var(--muted); font-size: 16px; transition: color 0.2s ease; }
.nav__links a:hover, .nav__links a.is-active { color: var(--text); }
.nav__links a.nav__accent { color: var(--accent); }
.nav__buttons { display: flex; align-items: center; gap: 16px; }
.menu-toggle {
  display: none;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface); cursor: pointer;
}
.menu-toggle svg { width: 20px; height: 20px; }
.mobile-menu { display: none; }

/* ---------- Hero ---------- */
.hero { padding: 56px 0 56px; }
.hero__grid { display: grid; grid-template-columns: minmax(0, 584px) minmax(0, 1fr); gap: 32px; align-items: center; }
.pill {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 7px 12px;
  border: 1px solid var(--border); border-radius: 40px;
  background: var(--surface);
  color: var(--muted);
  font-size: 12px; font-weight: 500; letter-spacing: 0.2em; text-transform: uppercase; line-height: 1;
}
.pill svg { width: 14px; height: 14px; color: var(--text); }
.hero h1 {
  margin-top: 24px;
  font-size: 60px; font-weight: 600; line-height: 1; letter-spacing: -0.04em;
  text-wrap: balance;
}
.hero__sub { margin-top: 24px; color: var(--muted); font-size: 24px; line-height: 1.4; text-wrap: pretty; }
.search {
  position: relative;
  display: block;
  margin-top: 40px;
}
.search svg {
  position: absolute; left: 16px; top: 50%; transform: translateY(-50%);
  width: 22px; height: 22px; color: var(--muted); pointer-events: none;
}
.search input {
  width: 100%; height: 56px;
  padding: 0 16px 0 50px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface);
  font-size: 16px;
  outline: none;
  transition: border-color 0.2s ease;
}
.search input::placeholder { color: var(--muted); }
.search input:focus { border-color: var(--text); }

/* Slider hero: 1 ảnh giữa, 2 ảnh hai bên nhỏ hơn và mờ dần */
.carousel {
  position: relative;
  height: 380px;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 8%, #000 92%, transparent 100%);
          mask-image: linear-gradient(90deg, transparent 0, #000 8%, #000 92%, transparent 100%);
}
.carousel__track { position: absolute; inset: 0; }
.carousel__card {
  position: absolute;
  top: 50%; left: 50%;
  width: 340px; height: 340px;
  margin: -170px 0 0 -170px;
  padding: 8px;
  border-radius: 16px;
  background: var(--border);
  opacity: 0;
  transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.7s ease, background-color 0.7s ease, filter 0.7s ease;
  will-change: transform, opacity;
}
.carousel__card.is-center { opacity: 1; z-index: 3; }
/* Ảnh hai bên: bỏ khung, mờ dần về mọi phía nên không thấy viền */
.carousel__card.is-side {
  opacity: 0.3;
  z-index: 2;
  background: transparent;
  filter: blur(6px) saturate(0.6);
  -webkit-mask-image: radial-gradient(closest-side, #000 40%, transparent 100%);
          mask-image: radial-gradient(closest-side, #000 40%, transparent 100%);
}
.carousel__card.is-side .carousel__label { opacity: 0; }
.carousel__card img {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: 10px;
  background: #fff;
}
.carousel__label {
  position: absolute; left: 18px; bottom: 18px;
  transition: opacity 0.4s ease;
  padding: 4px 10px;
  border-radius: 40px;
  background: var(--surface);
  color: var(--muted);
  font-size: 13px;
}

/* ---------- Catalog ---------- */
.catalog { padding: 24px 0 96px; }
.tabs {
  display: flex; gap: 4px;
  overflow-x: auto; scrollbar-width: none;
  margin: 0 -4px; padding: 0 4px;
}
.tabs::-webkit-scrollbar { display: none; }
.tab {
  flex: none;
  padding: 10px 16px;
  border: 0; border-radius: 40px;
  background: transparent;
  color: var(--muted);
  font-size: 16px; line-height: 1.25;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
}
.tab:hover { color: var(--text); }
.tab.is-active { background: var(--chip); color: var(--text); }
.section-title { margin: 32px 0 24px; font-size: 28px; font-weight: 500; line-height: 1.2; letter-spacing: -0.02em; }
.empty { display: none; padding: 48px 0; color: var(--muted); }
.empty.is-visible { display: block; }

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 48px 40px;
}

.card { display: block; }
.card[hidden] { display: none; }
.card__media {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--img-bg);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  mix-blend-mode: multiply;
  transition: transform 0.4s ease;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .card__media img { mix-blend-mode: normal; }
}
.card:hover .card__media img { transform: scale(1.03); }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 8px;
  border-radius: 6px;
  background: var(--overlay-chip);
  color: var(--text);
  font-size: 12px; line-height: 1.2;
  backdrop-filter: blur(6px);
}
.chip svg { width: 13px; height: 13px; color: var(--accent); }
.chip--featured {
  position: absolute; top: 8px; left: 8px;
  font-size: 11px; font-weight: 500; letter-spacing: 0.2em; text-transform: uppercase;
}
.chip--spec { position: absolute; left: 8px; bottom: 8px; }
.card__row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 16px; }
.card__title { font-size: 16px; font-weight: 400; line-height: 1.4; }
.card__price { margin-top: 2px; color: var(--muted); font-size: 16px; line-height: 1.4; }
.card__meta { display: flex; align-items: center; gap: 12px; flex: none; }


.tag {
  display: inline-flex; align-items: center;
  height: 24px; padding: 0 8px;
  border-radius: 6px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px; font-weight: 600; letter-spacing: 0.02em; white-space: nowrap;
}
.tag--grey { background: var(--chip); color: var(--text); }

/* ---------- Product detail ---------- */
.crumbs-row { display: flex; align-items: center; gap: 24px; padding: 24px 0; }
.crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; color: var(--muted); font-size: 14px; }
.crumbs a:hover { color: var(--text); }
.crumbs span[aria-current] { color: var(--text); }
.crumbs .sep { opacity: 0.8; }
.product { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; padding-bottom: 56px; }
.gallery__main {
  padding: 8px;
  border-radius: 12px;
  background: var(--border);
}
.gallery__main img {
  width: 100%; height: auto; aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 8px;
  background: #fff;
}
.gallery__thumbs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-top: 16px; }
.thumb {
  padding: 7px;
  border: 1px solid transparent;
  border-radius: 12px;
  background: var(--border);
  cursor: pointer;
  transition: border-color 0.2s ease;
}
.thumb img { width: 100%; height: auto; aspect-ratio: 1 / 1; object-fit: cover; border-radius: 6px; background: #fff; }
.thumb.is-active { border-color: var(--text); background: var(--surface); }
.info .chip--featured { position: static; background: var(--chip); }
.info__head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 16px; }
.info h1 { font-size: 28px; font-weight: 500; line-height: 1.2; letter-spacing: -0.02em; }
.info__by { margin-top: 16px; font-size: 16px; }
.info__price { margin-top: 12px; color: var(--muted); font-size: 18px; }
.info__cta { display: grid; gap: 12px; margin-top: 32px; }
.info hr { margin: 32px 0; border: 0; border-top: 1px solid var(--border); }
.info h3 { font-size: 18px; font-weight: 600; line-height: 1.3; }
.info__block + .info__block { margin-top: 32px; }
.specs { margin-top: 16px; display: grid; gap: 12px; }
.spec { display: flex; align-items: center; gap: 12px; }
.spec svg { width: 20px; height: 20px; color: var(--accent); flex: none; }
.spec b { font-weight: 500; }
.prices { width: 100%; margin-top: 16px; border-collapse: collapse; font-size: 15px; }
.prices th, .prices td { padding: 12px 0; border-bottom: 1px solid var(--border); text-align: left; }
.prices th { color: var(--muted); font-weight: 400; font-size: 14px; }
.prices td:last-child, .prices th:last-child { text-align: right; }
.note { margin-top: 12px; color: var(--muted); font-size: 14px; }
.desc { margin-top: 16px; color: var(--muted); line-height: 1.5; }
.desc p + p { margin-top: 6px; }
.related { padding: 40px 0 96px; }
.related .section-title { margin-top: 0; }

/* ---------- Simple pages (Giới thiệu, Liên hệ, Bảng giá) ---------- */
.page-hero { padding: 56px 0 40px; }
.page-hero h1 { margin-top: 24px; font-size: 48px; font-weight: 600; line-height: 1.05; letter-spacing: -0.04em; }
.page-hero p { margin-top: 20px; max-width: 680px; color: var(--muted); font-size: 20px; line-height: 1.45; }
.page-body { padding: 48px 0 96px; }
.boxes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.box {
  padding: 24px;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface);
}
.box h3 { font-size: 18px; font-weight: 600; }
.box p { margin-top: 8px; color: var(--muted); }
.box__label { color: var(--muted); font-size: 12px; font-weight: 500; letter-spacing: 0.2em; text-transform: uppercase; }
.box .box__value { margin-top: 8px; color: var(--text); font-size: 18px; font-weight: 500; }
.two-col { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; align-items: start; }
.form { display: grid; gap: 16px; }
.field { display: grid; gap: 6px; }
.field label { font-size: 14px; color: var(--muted); }
.input, .textarea, .select {
  width: 100%; min-height: 52px;
  padding: 12px 16px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface);
  font-size: 16px; outline: none;
  transition: border-color 0.2s ease;
}
.textarea { min-height: 120px; resize: vertical; }
.input:focus, .textarea:focus, .select:focus { border-color: var(--text); }
.map { width: 100%; height: 360px; border: 1px solid var(--border); border-radius: var(--radius); }

/* ---------- Báo giá nhanh ---------- */
.quote-hero h1 { max-width: 760px; }
.quote__grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); gap: 32px; align-items: start; }
.quote__main { display: grid; gap: 24px; }
.quote__form { display: grid; gap: 24px; }
.quote__step { display: flex; align-items: center; gap: 10px; color: var(--text) !important; font-size: 16px !important; font-weight: 500; }
.quote__step span {
  display: inline-flex; align-items: center; justify-content: center;
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--btn-bg); color: var(--btn-text);
  font-size: 13px; font-weight: 600;
}
.quote__form .select {
  appearance: none; -webkit-appearance: none;
  padding-right: 44px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 16px center; background-size: 18px;
  cursor: pointer;
}
.qty { position: relative; }
.qty__input { padding-right: 80px; font-size: 20px; font-weight: 500; letter-spacing: 0.01em; font-variant-numeric: tabular-nums; }
.qty__unit { position: absolute; right: 16px; top: 50%; transform: translateY(-50%); color: var(--muted); pointer-events: none; }
.quote__hint { color: var(--muted); font-size: 14px; }
.qty__chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.qty__chip {
  padding: 6px 12px;
  border: 1px solid var(--border); border-radius: 40px;
  background: var(--surface);
  font-size: 14px; cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}
.qty__chip:hover { border-color: var(--text); }
.qty__chip.is-active { background: var(--chip); border-color: var(--chip); }
.quote__submit { height: 56px; font-size: 17px; }

.quote__result { min-height: 180px; transition: opacity 0.2s ease; }
.quote__result.is-loading { opacity: 0.5; }
.quote__result.is-ready { border-color: var(--text); }
.quote__placeholder {
  display: grid; place-items: center; gap: 12px;
  min-height: 132px;
  color: var(--muted); text-align: center;
}
.quote__placeholder svg { width: 28px; height: 28px; }
.quote__price { margin-top: 6px; font-size: 44px; font-weight: 600; line-height: 1.1; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.quote__price small { font-size: 18px; font-weight: 400; color: var(--muted); letter-spacing: 0; }
.quote__lines { margin: 20px 0 0; display: grid; }
.quote__lines div { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--border); }
.quote__lines dt { color: var(--muted); }
.quote__lines dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }
.quote__total dt { color: var(--text); font-weight: 500; }
.quote__total dd { font-size: 22px; font-weight: 600; }
.quote__tip {
  margin-top: 16px; padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: var(--accent-soft); color: var(--text);
  font-size: 15px; line-height: 1.5;
}
.quote__warn { margin: 8px 0 16px; font-size: 18px; line-height: 1.5; }
/* .box p is muted; the price, warnings and tips are the main content here. */
.quote__result .quote__price, .quote__result .quote__warn, .quote__result .quote__tip { color: var(--text); }
.quote__result .quote__placeholder p { margin: 0; color: var(--muted); }
.quote__contact { margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--border); }
.quote__contact h3 { font-size: 18px; font-weight: 600; }
.quote__actions { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin: 16px 0 10px; }
.quote__actions .btn { padding: 0 12px; }

.quote__preview { position: sticky; top: 96px; display: grid; gap: 0; }
.quote__media {
  position: relative; display: block;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--img-bg); box-shadow: var(--shadow);
  overflow: hidden;
}
.quote__media img { width: 100%; height: 100%; object-fit: cover; mix-blend-mode: multiply; }
.quote__preview .prices { margin-top: 20px; }
.prices tr.is-applied td { color: var(--accent); }
.prices tr.is-applied td:first-child::before { content: "✓ "; }
.quote__more { margin-top: 16px; color: var(--muted); font-size: 15px; }
.quote__more:hover { color: var(--text); }

@media (max-width: 1023.98px) {
  .quote__grid { grid-template-columns: 1fr; }
  .quote__preview { position: static; grid-template-columns: 160px minmax(0, 1fr); column-gap: 20px; align-items: start; }
  .quote__preview .quote__media { grid-row: span 3; }
  .quote__preview .prices, .quote__preview .quote__more { grid-column: 1 / -1; }
}
@media (max-width: 809.98px) {
  .quote__price { font-size: 36px; }
  .quote__actions { grid-template-columns: 1fr; }
  .quote__preview { grid-template-columns: 110px minmax(0, 1fr); }
  .quote__preview .chip--spec { display: none; }
}

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); padding: 56px 0 40px; }
.footer__top { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; align-items: start; }
.footer__tagline { margin-top: 16px; color: var(--muted); }
.footer__follow { margin-top: 20px; }
.newsletter {
  padding: 16px;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--bg);
}
.newsletter h3 { font-size: 18px; font-weight: 600; }
.newsletter p { margin-top: 16px; color: var(--muted); }
.newsletter__form { display: flex; gap: 16px; margin-top: 16px; }
.newsletter__form .input { flex: 1; min-width: 0; }
.newsletter__ok { display: none; margin-top: 12px; color: var(--accent); font-size: 14px; }
.newsletter__ok.is-visible { display: block; }
.footer__links { display: flex; flex-wrap: wrap; gap: 40px 64px; margin-top: 48px; }
.footer__col { display: grid; gap: 12px; align-content: start; }
.footer__col h4 { margin: 0 0 4px; color: var(--muted); font-size: 16px; font-weight: 400; }
.footer__col a:hover { color: var(--accent); }
.footer__credit { margin-top: 48px; color: var(--muted); font-size: 14px; }
.footer__credit a { color: var(--text); }
.footer__bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 32px; color: var(--muted); font-size: 14px; }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

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

/* ---------- Tablet ---------- */
@media (max-width: 1199.98px) {
  .nav__links { gap: 18px; }
  .nav__buttons { gap: 10px; }
  .nav__buttons .btn { padding: 0 16px; }
  .hero h1 { font-size: 48px; }
  .hero__sub { font-size: 22px; }
  .hero__grid { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); }
  .carousel__card { width: 280px; height: 280px; margin: -140px 0 0 -140px; }
  .carousel { height: 320px; }
  .section-title { font-size: 24px; }
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px 24px; }
  .boxes { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 1023.98px) {
  .nav__links, .nav__buttons .btn:not(.btn--dark) { display: none; }
}

/* ---------- Mobile ---------- */
@media (max-width: 809.98px) {
  :root { --gutter: 12px; }
  .header__inner { height: 64px; padding: 0; }
  .nav__buttons { display: none; }
  .menu-toggle { display: inline-flex; }
  .mobile-menu {
    position: fixed; inset: 64px 0 auto 0; z-index: 49;
    display: none;
    padding: 16px 12px 24px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
  }
  .mobile-menu.is-open { display: grid; gap: 4px; }
  .mobile-menu a:not(.btn) { padding: 12px 4px; font-size: 18px; border-bottom: 1px solid var(--border); }
  .mobile-menu .btn { margin-top: 12px; }
  .hero { padding: 32px 0; }
  .hero__grid { grid-template-columns: 1fr; gap: 24px; }
  .hero h1 { font-size: 38px; }
  .hero__sub { font-size: 20px; margin-top: 16px; }
  .carousel { display: none; }
  .grid { grid-template-columns: 1fr; gap: 40px; }
  .product { grid-template-columns: 1fr; }
  .info h1 { font-size: 24px; }
  .info__head { align-items: flex-start; }
  .crumbs-row { gap: 16px; }
  .gallery__thumbs { gap: 8px; }
  .page-hero h1 { font-size: 36px; }
  .page-hero p { font-size: 18px; }
  .boxes, .two-col, .footer__top { grid-template-columns: 1fr; }
  .newsletter__form { flex-direction: column; }
  .footer__links { gap: 32px 48px; }
}