/* ==========================================================================
   BIOLABS México landing
   Concept: chromatogram paper. One clean peak = purity.
   ========================================================================== */

:root {
  --navy: #142B4A;          /* logo */
  --navy-deep: #0B1D36;
  --navy-foot: #081629;
  --orange: #B95A28;        /* logo */
  --orange-lt: #E8793E;
  --blue: #2F6FE4;
  --blue-lt: #86B6FF;
  --paper: #F4F7FA;
  --white: #fff;
  --ink: #1B2B42;
  --muted: #566A84;
  --line: #D9E1EA;
  --line-soft: #E7EDF3;
  --wa: #25D366;
  --wa-hi: #3EE07C;

  --font-display: 'Archivo', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --wrap: 1200px;
  --gutter: clamp(20px, 5vw, 40px);
  --header-h: 62px;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
}

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }
h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; }

h1, h2, h3 {
  font-family: var(--font-display);
  color: var(--navy);
  font-weight: 800;
  text-wrap: balance;
}

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

.coa-section :focus-visible, .final :focus-visible, .site-footer :focus-visible, .dock :focus-visible, .trust :focus-visible { outline-color: #fff; }

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

.nw { white-space: nowrap; }

.sr-only {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  background: var(--navy); color: #fff; padding: 10px 16px; border-radius: 8px;
  transition: top .15s;
}
.skip:focus { top: 12px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 24px;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 700;
  font-stretch: 104%;
  font-size: 1rem;
  line-height: 1.15;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: rgba(37,211,102,.25);
  transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease;
}
.btn-wa {
  background: var(--wa);
  color: var(--navy-deep);
  box-shadow: 0 1px 0 rgba(255,255,255,.5) inset, 0 12px 26px -12px rgba(14,140,66,.85);
}
.btn-wa:hover { background: var(--wa-hi); transform: translateY(-1px); }
.btn-wa:active { transform: translateY(0) scale(.99); }
.btn-lg { padding: 18px 30px; font-size: 1.0625rem; }
.btn-sm { padding: 10px 18px; min-height: 44px; font-size: .9375rem; }
.btn-block { width: 100%; }
.btn .ico { width: 22px; height: 22px; fill: currentColor; flex: none; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s;
}
.site-header.is-scrolled { border-bottom-color: var(--line); }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: var(--header-h); }
.brand img { height: 36px; width: auto; }
.nav { display: none; gap: 32px; margin-left: auto; margin-right: 8px; }
.nav a {
  font-size: .9375rem; font-weight: 500; color: var(--ink); text-decoration: none;
  padding: 6px 0; border-bottom: 2px solid transparent; transition: border-color .15s, color .15s;
}
.nav a:hover { color: var(--navy); border-bottom-color: var(--orange); }

/* ---------- hero ---------- */
.hero {
  position: relative;
  background: var(--paper);
  padding: clamp(28px, 5vw, 64px) 0 clamp(36px, 5vw, 72px);
  overflow: hidden;
  isolation: isolate;
}
/* millimetre chromatogram paper */
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image:
    linear-gradient(rgba(20,43,74,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20,43,74,.07) 1px, transparent 1px),
    linear-gradient(rgba(20,43,74,.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20,43,74,.13) 1px, transparent 1px);
  background-size: 20px 20px, 20px 20px, 100px 100px, 100px 100px;
  -webkit-mask-image: radial-gradient(ellipse 75% 95% at 80% 55%, #000 10%, transparent 72%);
  mask-image: radial-gradient(ellipse 75% 95% at 80% 55%, #000 10%, transparent 72%);
}
.hero-grid { display: grid; gap: 8px; align-items: center; }

.hero h1 {
  font-size: clamp(2.35rem, 12.2vw, 3.75rem);
  font-stretch: 112%;
  line-height: .98;
  letter-spacing: -.025em;
}
.hero h1 span { display: block; }

.hero .lead {
  margin-top: clamp(18px, 2.4vw, 28px);
  max-width: 34rem;
  font-size: clamp(1.0625rem, 1rem + .4vw, 1.25rem);
  color: var(--ink);
}
.cta-stack { margin-top: clamp(22px, 3vw, 34px); display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }
.cta-note { font-size: .9375rem; color: var(--muted); }
.ruo-note {
  display: inline-block; margin-top: clamp(20px, 3vw, 32px);
  padding: 7px 14px; border: 1px solid var(--navy); border-radius: 999px;
  font-size: .875rem; font-weight: 500; color: var(--navy);
}

.hero-art { position: relative; }
/* phones: crop the artwork to the vials + peak (slice), keep the baseline at the bottom */
.hero-art svg { width: 100%; height: auto; aspect-ratio: 1 / .76; overflow: hidden; }

.axis path { fill: none; stroke: #9DB0C5; stroke-width: 1.2; }
.axis-labels text { font: 400 15px var(--font-mono); fill: #6E8097; }
.trace {
  fill: none; stroke: var(--blue); stroke-width: 3.4; stroke-linecap: round; stroke-linejoin: round;
  stroke-dasharray: 1; stroke-dashoffset: 0;
  animation: draw 2.6s cubic-bezier(.55, .08, .25, 1) .35s backwards;
}
.apex { animation: appear .6s ease-out 2.5s backwards; }
.apex .halo { fill: none; stroke: var(--orange); stroke-opacity: .4; stroke-width: 2; }
.apex .dot { fill: var(--orange); }
.apex .leader { stroke: var(--navy); stroke-width: 1.4; opacity: .5; }
.note-title { font: 700 28px var(--font-display); font-stretch: 105%; fill: var(--navy); }
.note-value { font: 500 24px var(--font-mono); fill: var(--navy); }

@keyframes draw { from { stroke-dashoffset: 1; } }
@keyframes appear { from { opacity: 0; } }

/* ---------- trust strip ---------- */
.trust { background: var(--navy); color: #fff; }
.trust-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 20px; padding-block: 28px; }
.trust-grid li { display: flex; align-items: flex-start; gap: 12px; }
.ico-line { width: 28px; height: 28px; flex: none; fill: none; stroke: var(--orange-lt); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; margin-top: 2px; }
.trust-grid strong { display: block; font: 700 1rem/1.25 var(--font-display); font-stretch: 104%; }
.trust-grid div > span { display: block; margin-top: 3px; font-size: .875rem; line-height: 1.4; color: #A8B9CF; }

/* ---------- sections ---------- */
.section { padding: clamp(64px, 9vw, 120px) 0; }
.section-head { max-width: 46rem; margin-bottom: clamp(32px, 5vw, 56px); }
.section h2 {
  font-size: clamp(1.9rem, 1.1rem + 2.8vw, 3.1rem);
  font-stretch: 108%;
  line-height: 1.04;
  letter-spacing: -.018em;
}
.section-lead { margin-top: 16px; max-width: 40rem; font-size: clamp(1.0625rem, 1rem + .25vw, 1.1875rem); color: var(--muted); }

/* ---------- catalog ---------- */
.shelf { display: grid; grid-template-columns: 1fr; }
.item {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  grid-template-areas: "art title" "art desc" "specs specs" "cta cta";
  column-gap: 18px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
}
.item-art { grid-area: art; align-self: start; }
.item-art svg { width: 100%; height: auto; aspect-ratio: 200 / 346; }
.item h3 { grid-area: title; align-self: end; overflow-wrap: anywhere; font-size: 1.375rem; font-stretch: 108%; line-height: 1.1; letter-spacing: -.01em; }
.item-desc { grid-area: desc; margin-top: 8px; font-size: .9688rem; line-height: 1.5; color: var(--muted); }
.specs { grid-area: specs; margin-top: 20px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 20px; border-bottom: 1px solid var(--line-soft); }
.specs div { display: flex; flex-direction: column; gap: 2px; padding: 11px 0; border-top: 1px solid var(--line-soft); font-size: .9375rem; }
.specs dt { font-size: .8125rem; color: var(--muted); }
.specs dd { font-weight: 500; line-height: 1.35; color: var(--navy); }
.item .btn { grid-area: cta; margin-top: 20px; }

.more {
  margin-top: clamp(36px, 5vw, 56px);
  display: flex; flex-direction: column; align-items: flex-start; gap: 20px;
  padding: clamp(20px, 3vw, 28px);
  background: var(--paper); border: 1px solid var(--line); border-radius: 14px;
}
.more p { max-width: 40rem; color: var(--ink); }

/* ---------- COA ---------- */
.coa-section { position: relative; background: var(--navy-deep); color: #fff; isolation: isolate; overflow: hidden; }
.coa-section::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image:
    linear-gradient(rgba(134,182,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(134,182,255,.06) 1px, transparent 1px);
  background-size: 24px 24px;
  -webkit-mask-image: radial-gradient(ellipse 60% 80% at 85% 50%, #000, transparent 75%);
  mask-image: radial-gradient(ellipse 60% 80% at 85% 50%, #000, transparent 75%);
}
.coa-grid { display: grid; gap: 56px; align-items: center; }
.coa-section h2 { color: #fff; }
.coa-section .section-lead { color: #B4C3D7; }
.checklist { margin: 28px 0 36px; display: grid; gap: 18px; }
.checklist li { display: flex; gap: 14px; align-items: flex-start; }
.checklist strong { display: block; font: 700 1.0625rem/1.3 var(--font-display); font-stretch: 104%; }
.checklist div > span { display: block; margin-top: 2px; font-size: .96875rem; color: #A5B6CC; }
.ico-check { width: 24px; height: 24px; flex: none; fill: none; stroke: var(--blue-lt); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; margin-top: 1px; }

.coa-doc { max-width: 580px; margin-inline: auto; width: 100%; }
.sheet {
  position: relative;
  background: #fff; color: var(--navy);
  padding: clamp(18px, 3vw, 30px) clamp(18px, 3vw, 30px) 82px;
  border-radius: 4px;
  transform: rotate(-1.4deg);
  box-shadow: 0 40px 70px -28px rgba(0,0,0,.7), 0 0 0 1px rgba(255,255,255,.6) inset;
}
.sample-tag {
  position: absolute; top: -13px; right: 22px;
  padding: 6px 11px; border-radius: 3px;
  background: var(--orange); color: #fff;
  font: 600 .75rem/1 var(--font-body); letter-spacing: .02em;
  transform: rotate(2deg);
}
.sheet-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-bottom: 14px; }
.sheet-head img { height: 32px; width: auto; }
.sheet-head h3 { font-size: .9375rem; font-stretch: 108%; text-align: right; }
.sheet-meta { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 20px; padding: 14px 0; border-block: 1px solid var(--line); }
.sheet-meta dt { font-size: .75rem; color: var(--muted); }
.sheet-meta dd { font: 500 .8125rem var(--font-mono); color: var(--navy); }
.sheet-chart { width: 100%; height: auto; margin: 12px 0 6px; }
.chart-grid path { fill: none; stroke: #E4EAF1; stroke-width: 1; }
.chart-axis { fill: none; stroke: #8497AD; stroke-width: 1.4; }
.chart-text text { font: 400 9.5px var(--font-mono); fill: #6E8097; }
.chart-trace { fill: none; stroke: var(--navy); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.chart-dot { fill: var(--orange); }
.sheet-table { width: 100%; border-collapse: collapse; font-size: .8125rem; }
.sheet-table th, .sheet-table td { padding: 8px 10px 8px 0; text-align: left; border-top: 1px solid var(--line-soft); font-weight: 400; }
.sheet-table thead th { font-size: .75rem; color: var(--muted); font-weight: 500; border-top: 0; }
.sheet-table tbody th { font-weight: 500; }
.stamp {
  position: absolute; right: clamp(16px, 4vw, 30px); bottom: 20px;
  padding: 6px 12px; border: 2px solid var(--blue); border-radius: 6px;
  color: var(--blue); font: 800 .8125rem/1.1 var(--font-display); font-stretch: 108%; text-align: center;
  transform: rotate(-8deg); opacity: .85; background: rgba(255,255,255,.6);
}
.coa-doc figcaption { margin-top: 22px; font-size: .875rem; color: #90A3BC; text-align: center; }

/* ---------- comparison ---------- */
.compare { background: var(--paper); }
.compare-table { width: 100%; border-collapse: separate; border-spacing: 0; font-size: .96875rem; }
.compare-table th, .compare-table td { padding: 16px 12px; text-align: left; vertical-align: middle; border-bottom: 1px solid var(--line); }
.compare-table tbody th, .compare-table thead td { display: none; width: 22%; font-weight: 500; color: var(--muted); }
.compare-table thead th { font: 700 .9375rem/1.25 var(--font-display); font-stretch: 104%; padding-block: 18px; border-bottom: 1px solid var(--line); }
.compare-table .col-other { color: var(--muted); }
.compare-table thead .col-other { color: var(--muted); }
.compare-table .col-bio { background: var(--navy); color: #fff; border-bottom-color: rgba(255,255,255,.14); }
.compare-table thead .col-bio { border-radius: 14px 14px 0 0; border-bottom-color: rgba(255,255,255,.14); }
.compare-table tbody tr:last-child .col-bio { border-radius: 0 0 14px 14px; border-bottom: 0; }
.compare-table td { position: relative; padding-left: 40px; }
.compare-table td svg { position: absolute; left: 12px; top: 50%; margin-top: -9px; }
.compare-table .ico-x { width: 18px; height: 18px; fill: none; stroke: #9AA9BC; stroke-width: 2; stroke-linecap: round; }
.compare-table .col-bio .ico-check { width: 20px; height: 20px; margin-top: -10px; }
.compare-table .col-bio { font-weight: 500; }

/* ---------- steps ---------- */
.steps-list { display: grid; gap: 36px; counter-reset: s; }
.steps-list li { display: grid; grid-template-columns: 48px minmax(0, 1fr); column-gap: 14px; padding-top: 18px; border-top: 2px solid var(--navy); }
.step-n { grid-row: 1 / span 2; display: block; font: 800 2.75rem/1 var(--font-display); font-stretch: 118%; color: var(--orange); letter-spacing: -.03em; }
.steps-list h3 { font-size: 1.375rem; font-stretch: 108%; }
.steps-list p { margin-top: 6px; max-width: 26rem; color: var(--muted); }
.steps-cta { margin-top: clamp(36px, 5vw, 56px); }

/* ---------- FAQ ---------- */
.faq { background: var(--paper); }
.faq-grid { display: grid; gap: 8px; }
.faq .section-head { margin-bottom: 20px; }
.faq-cta { margin-top: 24px; }
.faq-list details { border-top: 1px solid var(--line); }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
.faq-list summary {
  position: relative; display: block; cursor: pointer; list-style: none;
  padding: 22px 44px 22px 0;
  font: 700 1.0625rem/1.35 var(--font-display); font-stretch: 104%; color: var(--navy);
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::before, .faq-list summary::after {
  content: ""; position: absolute; right: 6px; top: 50%; width: 16px; height: 2px; margin-top: -1px;
  background: var(--navy); border-radius: 2px; transition: transform .25s ease;
}
.faq-list summary::after { transform: rotate(90deg); }
.faq-list details[open] summary::after { transform: rotate(0deg); }
.faq-list summary:hover { color: var(--orange); }
.faq-list details p { padding: 0 44px 24px 0; max-width: 40rem; color: var(--muted); animation: faq-in .3s ease-out; }
@keyframes faq-in { from { opacity: 0; transform: translateY(-4px); } }

/* ---------- final CTA ---------- */
.final { position: relative; background: var(--navy); color: #fff; padding: clamp(72px, 10vw, 128px) 0 clamp(120px, 14vw, 180px); overflow: hidden; }
.final-trace { position: absolute; left: 0; bottom: 0; width: 100%; height: clamp(90px, 14vw, 190px); }
.final-trace path { fill: none; stroke: var(--blue-lt); stroke-opacity: .55; stroke-width: 2.2; vector-effect: non-scaling-stroke; stroke-linejoin: round; }
.final-inner { position: relative; }
.final h2 { color: #fff; font-size: clamp(2.1rem, 1rem + 4.4vw, 4rem); font-stretch: 112%; line-height: 1.02; letter-spacing: -.022em; max-width: 14ch; }
.final-lead { margin-top: 20px; max-width: 32rem; font-size: 1.1875rem; color: #B4C3D7; }
.final .btn { margin-top: 32px; }

/* ---------- footer ---------- */
.site-footer { background: var(--navy-foot); color: #8FA2BC; padding: 48px 0; }
.footer-grid { display: grid; gap: 24px; }
.footer-logo { width: 200px; height: auto; }
.copy { font-size: .8125rem; color: #8396B0; }

/* ---------- sticky WhatsApp bar (mobile) ---------- */
.dock {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
  padding: 10px var(--gutter) calc(10px + env(safe-area-inset-bottom));
  background: rgba(11,29,54,.94);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255,255,255,.1);
  transform: translateY(110%); visibility: hidden;
  transition: transform .3s ease, visibility 0s linear .3s;
}
.dock.is-on { transform: none; visibility: visible; transition-delay: 0s; }
.dock .btn { padding-block: 15px; }

/* ==========================================================================
   Breakpoints
   ========================================================================== */
@media (max-width: 899px) {
  .hero-art { margin-top: 20px; }
}
@media (max-width: 639px) {
  .axis-labels { display: none; }
}

@media (min-width: 640px) {
  /* tablets: show the whole artwork instead of the phone crop */
  .hero-art svg { aspect-ratio: 900 / 590; }
  .note-title { font-size: 22px; }
  .note-value { font-size: 19px; }
  .trust-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; padding-block: 34px; }
  .trust-grid li { padding-inline: 20px; border-left: 1px solid rgba(255,255,255,.14); }
  .trust-grid li:first-child { padding-left: 0; border-left: 0; }

  .shelf { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .item {
    display: flex; flex-direction: column;
    padding: 36px clamp(18px, 3vw, 32px) 36px;
    border-top: 1px solid var(--line);
  }
  .item:nth-child(odd) { padding-left: 0; }
  .item:nth-child(even) { padding-right: 0; border-left: 1px solid var(--line); }
  .item-art { align-self: stretch; height: 300px; display: flex; align-items: flex-end; justify-content: center; border-bottom: 1px solid var(--line); margin-bottom: 24px; }
  .item h3 { align-self: auto; }
  .item-art svg { width: auto; height: 100%; }
  .item h3 { font-size: 1.5rem; }
  .item-desc { flex: 1; }
  .specs { margin-top: 20px; display: block; }
  .specs div { flex-direction: row; justify-content: space-between; gap: 16px; padding: 9px 0; }
  .specs dd { text-align: right; }
  .more { flex-direction: row; align-items: center; justify-content: space-between; gap: 32px; }
  .more .btn { flex: none; }
  .steps-list { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
  .steps-list li { display: block; }
  .step-n { font-size: 3.25rem; margin-bottom: 14px; }
  .compare-table tbody th, .compare-table thead td { display: table-cell; }
  .compare-table { font-size: 1.0625rem; }
  .compare-table th, .compare-table td { padding: 20px 24px; }
  .compare-table td { padding-left: 58px; }
  .compare-table td svg { left: 24px; }
  .compare-table thead th { font-size: 1.0625rem; }
}

@media (min-width: 700px) {
  .hero h1 { font-size: clamp(3rem, .5rem + 7.4vw, 5.4rem); }
}

@media (min-width: 900px) {
  :root { --header-h: 76px; }
  .brand img { height: 44px; }
  .nav { display: flex; }

  .hero-grid { grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); gap: 16px; }
  .hero-art svg { aspect-ratio: 900 / 590; }
  .note-title { font-size: 21px; }
  .note-value { font-size: 18px; }

  .coa-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: clamp(48px, 7vw, 96px); }
  .sheet { transform: rotate(-1.8deg); }

  .faq-grid { grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(40px, 7vw, 96px); }
  .faq .section-head { position: sticky; top: calc(var(--header-h) + 32px); align-self: start; margin-bottom: 0; }

  .site-footer { padding-bottom: 48px; }
  .footer-grid { grid-template-columns: auto minmax(0, 1fr); column-gap: 56px; align-items: center; }
  .dock { display: none; }
}

@media (min-width: 1100px) {
  .shelf { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .item { padding-inline: clamp(18px, 2vw, 28px); border-top: 0; border-left: 1px solid var(--line); }
  .item:nth-child(odd), .item:nth-child(even) { padding-inline: clamp(18px, 2vw, 28px); }
  .item:first-child { padding-left: 0; border-left: 0; }
  .item:last-child { padding-right: 0; }
  .item-art { height: 320px; }
}

@media (max-width: 399px) {
  /* narrow phones: product name gets the full width above the vial + description */
  .item { grid-template-areas: "title title" "art desc" "specs specs" "cta cta"; column-gap: 14px; }
  .item h3 { align-self: start; margin-bottom: 14px; font-size: 1.25rem; }
  .item-desc { margin-top: 0; }
}

@media (max-width: 380px) {
  .btn-lg { padding-inline: 20px; font-size: 1rem; }
}

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