/* Bagnoud Optique Sàrl — style.css */
:root {
  --c-white: #F5F8FB;
  --c-paper: #FFFFFF;
  --c-blue: #2E6FB7;
  --c-blue-deep: #1F5596;
  --c-tint: #D6E7F5;
  --c-ink: #14233A;
  --c-ink-soft: #435572;
  --c-tortoise: #3A2317;
  --c-tortoise-deep: #22150E;
  --c-amber: #B7773B;
  --c-amber-light: #E3B27A;
  --c-cream-on-dark: #EADFD2;
  --c-muted-on-dark: #CDBCA9;
  --c-error: #B3261E;

  --tortoise: radial-gradient(ellipse 38% 28% at 18% 26%, #B7773B 0 30%, transparent 70%),
              radial-gradient(ellipse 30% 40% at 72% 64%, #8A4F24 0 35%, transparent 72%),
              radial-gradient(ellipse 22% 16% at 44% 82%, #C98C4A 0 30%, transparent 75%),
              radial-gradient(ellipse 34% 22% at 86% 14%, #6E3B1B 0 40%, transparent 75%),
              radial-gradient(ellipse 18% 26% at 30% 60%, #5A3019 0 40%, transparent 80%),
              #3A2317;

  --font-display: "Bodoni Moda", "Didot", "Times New Roman", serif;
  --font-body: "Hanken Grotesk", "Helvetica Neue", Arial, sans-serif;

  --fs-small: 0.875rem;
  --fs-body: 1.0625rem;
  --fs-lead: 1.1875rem;
  --fs-h3: 1.375rem;
  --fs-h2: clamp(2rem, 1.4rem + 2.6vw, 3.25rem);
  --fs-h1: clamp(2.5rem, 1.6rem + 4.4vw, 5rem);

  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.5rem;
  --sp-6: 2rem;
  --sp-7: 3rem;
  --sp-8: 4.5rem;
  --sp-9: 6.5rem;

  --r-sm: 6px;
  --r-md: 14px;
  --r-lg: 28px;
  --r-pill: 999px;

  --shadow-lift: 0 1px 2px rgba(20, 35, 58, 0.08), 0 18px 40px -18px rgba(20, 35, 58, 0.35);
  --shadow-deep: 0 30px 60px -30px rgba(34, 21, 14, 0.6);
  --shadow-lens: 0 18px 36px -10px rgba(34, 21, 14, 0.55), inset 0 2px 0 rgba(255, 255, 255, 0.25);

  --wrap: 1180px;
  --header-h: 68px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--c-ink);
  background: var(--c-white);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-blue-deep); text-underline-offset: 3px; }
a:hover { color: var(--c-ink); }
h1, h2, h3 { margin: 0; font-weight: 500; line-height: 1.1; }
p { margin: 0 0 var(--sp-4); }
:focus-visible { outline: 3px solid var(--c-blue); outline-offset: 3px; border-radius: var(--r-sm); }

.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip {
  position: absolute; left: var(--sp-4); top: var(--sp-4); z-index: 100;
  padding: var(--sp-2) var(--sp-4); background: var(--c-ink); color: #fff; border-radius: var(--r-sm);
  transform: translateY(-200%);
}
.skip:focus { transform: none; color: #fff; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--sp-4); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0 var(--sp-5);
  font: 600 1rem/1 var(--font-body); letter-spacing: 0.01em;
  color: #fff; background: var(--c-blue); border: 2px solid var(--c-blue);
  border-radius: var(--r-pill); text-decoration: none; cursor: pointer;
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}
.btn:hover { color: #fff; transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn--ghost { background: transparent; color: var(--c-ink); border-color: rgba(20, 35, 58, 0.25); }
.btn--ghost:hover { color: var(--c-ink); }
.btn--small { min-height: 42px; padding: 0 var(--sp-4); font-size: 0.9375rem; }
.btn--block { width: 100%; }

/* Brand */
.brand { display: inline-flex; align-items: center; gap: var(--sp-3); text-decoration: none; color: var(--c-ink); }
.brand:hover { color: var(--c-ink); }
.brand__mark {
  width: 34px; height: 34px; border-radius: 50%; flex: none;
  background: var(--tortoise); position: relative;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.3);
}
.brand__mark::after {
  content: ""; position: absolute; inset: 6px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #fff 0 18%, var(--c-tint) 45%, #9CC3E6 100%);
}
.brand__name { font-family: var(--font-display); font-size: 1.3rem; font-weight: 500; letter-spacing: 0.01em; }
.brand--light { color: var(--c-cream-on-dark); }
.brand--light:hover { color: #fff; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(245, 248, 251, 0.9);
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
}
.site-header::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: rgba(20, 35, 58, 0.12); opacity: 0; transition: opacity 0.3s var(--ease);
}
.site-header.is-scrolled::after { opacity: 1; }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }

.burger {
  width: 48px; height: 48px; display: grid; place-items: center;
  background: transparent; border: 0; cursor: pointer; border-radius: var(--r-sm); color: var(--c-ink);
}
.burger__lines, .burger__lines::before, .burger__lines::after {
  display: block; width: 24px; height: 2px; background: currentColor; border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.2s var(--ease);
}
.burger__lines { position: relative; }
.burger__lines::before, .burger__lines::after { content: ""; position: absolute; left: 0; }
.burger__lines::before { transform: translateY(-7px); }
.burger__lines::after { transform: translateY(7px); }
.burger[aria-expanded="true"] .burger__lines { background: transparent; }
.burger[aria-expanded="true"] .burger__lines::before { transform: rotate(45deg); background: var(--c-ink); }
.burger[aria-expanded="true"] .burger__lines::after { transform: rotate(-45deg); background: var(--c-ink); }

.site-nav {
  position: absolute; left: 0; right: 0; top: var(--header-h);
  background: var(--c-paper); box-shadow: var(--shadow-lift);
  padding: var(--sp-4);
  opacity: 0; transform: translateY(-8px); pointer-events: none; visibility: hidden;
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0s linear 0.25s;
}
.site-nav.is-open { opacity: 1; transform: none; pointer-events: auto; visibility: visible; transition-delay: 0s; }
.site-nav__list { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--sp-1); }
.site-nav__list a:not(.btn) {
  display: block; padding: var(--sp-3) var(--sp-2); color: var(--c-ink); text-decoration: none; font-weight: 500;
  border-bottom: 1px solid rgba(20, 35, 58, 0.08);
}
.site-nav__list .btn { margin-top: var(--sp-3); width: 100%; }

/* Hero */
.hero {
  position: relative; overflow: hidden;
  padding: var(--sp-6) 0 var(--sp-8);
  background:
    radial-gradient(circle at 88% 12%, rgba(46, 111, 183, 0.10) 0 22%, transparent 45%),
    linear-gradient(180deg, var(--c-white), #EEF3F8);
}
.hero::before {
  /* faint concentric lens rings behind everything */
  content: ""; position: absolute; right: -30vw; top: -10vw; width: 90vw; height: 90vw; border-radius: 50%;
  background: repeating-radial-gradient(circle, transparent 0 38px, rgba(46, 111, 183, 0.07) 38px 39px);
  pointer-events: none;
}
.hero__grid { position: relative; display: grid; gap: var(--sp-7); align-items: center; }
.hero__place {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  font-size: var(--fs-small); font-weight: 600; color: var(--c-ink-soft); margin-bottom: var(--sp-4);
}
.hero__place::before { content: ""; width: 28px; height: 2px; background: var(--c-amber); }
.hero__title {
  font-family: var(--font-display); font-size: var(--fs-h1); font-weight: 500;
  letter-spacing: -0.015em; line-height: 1.02; max-width: 13ch; margin-bottom: var(--sp-5);
}
.hero__lede { font-size: var(--fs-lead); color: var(--c-ink-soft); max-width: 46ch; margin-bottom: var(--sp-5); }
.hero__actions { display: flex; flex-direction: column; gap: var(--sp-3); }
.hero__hint { margin: var(--sp-5) 0 0; font-size: var(--fs-small); color: var(--c-ink-soft); display: flex; gap: var(--sp-2); align-items: center; }
.hero__hint::before {
  content: ""; width: 14px; height: 14px; border-radius: 50%; flex: none;
  border: 3px solid var(--c-amber); background: var(--c-tint);
}

.hero__figure { position: relative; width: 100%; max-width: 460px; margin: 0 auto; padding: var(--sp-4) var(--sp-3); }
.hero__figure::before {
  /* tortoiseshell slab offset behind the chart */
  content: ""; position: absolute; left: -2%; right: 12%; top: 10%; bottom: -4%;
  border-radius: var(--r-lg); background: var(--tortoise); box-shadow: var(--shadow-deep);
  transform: rotate(-5deg);
}
.hero__figure::after {
  /* second, empty lens of the "pair", tinted blue */
  content: ""; position: absolute; width: 34%; aspect-ratio: 1; right: -6%; top: -4%;
  border-radius: 50%; border: 10px solid var(--c-tortoise);
  background: radial-gradient(circle at 35% 30%, rgba(255,255,255,0.8) 0 12%, rgba(214, 231, 245, 0.55) 40%, rgba(46, 111, 183, 0.25));
  box-shadow: var(--shadow-lens);
}

/* Eye chart */
.chart {
  position: relative; z-index: 1;
  container-type: inline-size;
  width: 100%; aspect-ratio: 4 / 5;
  background:
    linear-gradient(180deg, transparent calc(100% - 44px), rgba(20,35,58,0.04) calc(100% - 44px)),
    var(--c-paper);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lift);
  overflow: hidden;
  cursor: crosshair;
}
.chart__rows {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; justify-content: space-evenly;
  padding: 6cqw 5cqw 12cqw;
  font-family: var(--font-body); font-weight: 700; color: var(--c-ink);
  user-select: none;
}
.chart__row { display: grid; grid-template-columns: 11cqw 1fr; align-items: center; }
.chart__fraction { font-size: 2.6cqw; font-weight: 600; color: var(--c-ink-soft); letter-spacing: 0.02em; }
.chart__letters { display: flex; justify-content: center; gap: 0.35em; line-height: 1; }
.chart__row--1 .chart__letters { font-size: 19cqw; }
.chart__row--2 .chart__letters { font-size: 12cqw; }
.chart__row--3 .chart__letters { font-size: 9cqw; }
.chart__row--4 .chart__letters { font-size: 7cqw; }
.chart__row--5 .chart__letters { font-size: 5.6cqw; }
.chart__row--6 .chart__letters { font-size: 4.5cqw; }
.chart__row--7 .chart__letters { font-size: 3.7cqw; }
.chart__base { filter: blur(4px); opacity: 0.6; }

.lens {
  position: absolute; left: 0; top: 0; z-index: 2;
  width: 42cqw; height: 42cqw; padding: 3cqw;
  border: 0; border-radius: 50%; background: var(--tortoise);
  box-shadow: var(--shadow-lens);
  cursor: grab; touch-action: none;
  will-change: transform;
}
.lens:active { cursor: grabbing; }
.lens:focus-visible { outline-offset: 4px; }
.lens__glass {
  position: relative; display: block; width: 100%; height: 100%;
  border-radius: 50%; overflow: hidden; background: var(--c-paper);
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.25);
}
.lens__glass::after {
  content: ""; position: absolute; inset: 0; border-radius: 50%; pointer-events: none;
  background:
    radial-gradient(circle at 30% 24%, rgba(255,255,255,0.75) 0 7%, transparent 22%),
    radial-gradient(circle at 50% 50%, transparent 58%, rgba(46, 111, 183, 0.22) 100%);
}
.lens__view {
  position: absolute; left: 0; top: 0; display: block;
  width: 100cqw; height: 125cqw;
  will-change: transform;
}
.chart__readout {
  position: absolute; left: 3cqw; bottom: 2.4cqw; z-index: 3; margin: 0;
  font-size: 0.8125rem; font-weight: 600; color: var(--c-ink);
  display: flex; align-items: center; gap: var(--sp-2);
}
.chart__readout::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--c-blue); }

/* Sections */
.section { padding: var(--sp-8) 0; }
.section__head { max-width: 640px; margin-bottom: var(--sp-6); }
.section__title { font-family: var(--font-display); font-size: var(--fs-h2); letter-spacing: -0.01em; margin-bottom: var(--sp-4); }
.section__intro { color: var(--c-ink-soft); font-size: var(--fs-lead); }

/* Steps: a true sequence, numbered */
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--sp-5); counter-reset: step; }
.step {
  counter-increment: step; position: relative;
  padding: var(--sp-5) var(--sp-5) var(--sp-5) 4.5rem;
  background: var(--c-paper); border-radius: var(--r-md);
  border: 1px solid rgba(20, 35, 58, 0.08);
}
.step::before {
  content: counter(step);
  position: absolute; left: var(--sp-5); top: var(--sp-4);
  font-family: var(--font-display); font-size: 2.6rem; line-height: 1; color: var(--c-amber);
}
.step__title { font-size: var(--fs-h3); font-family: var(--font-display); margin-bottom: var(--sp-3); }
.step p { margin: 0; color: var(--c-ink-soft); }

/* Pair of panels */
.pair { background: linear-gradient(180deg, #EEF3F8, var(--c-white)); }
.pair__title { max-width: 16ch; margin-bottom: var(--sp-6); }
.pair__grid { display: grid; gap: var(--sp-5); }
.panel { position: relative; border-radius: var(--r-lg); padding: var(--sp-6) var(--sp-5); overflow: hidden; }
.panel p { max-width: 52ch; }
.panel__title { font-family: var(--font-display); font-size: 1.75rem; margin-bottom: var(--sp-4); }
.panel--lens {
  background:
    radial-gradient(circle at 100% 0%, rgba(46,111,183,0.18) 0 30%, transparent 60%),
    var(--c-paper);
  border: 1px solid rgba(46, 111, 183, 0.2);
}
.panel--lens::after {
  content: ""; position: absolute; right: -60px; bottom: -60px; width: 200px; height: 200px; border-radius: 50%;
  background: repeating-radial-gradient(circle, transparent 0 12px, rgba(46,111,183,0.12) 12px 13px);
}
.panel--frame { background: var(--tortoise); color: var(--c-cream-on-dark); box-shadow: var(--shadow-deep); }
.panel--frame::before {
  content: ""; position: absolute; inset: 0; background: linear-gradient(160deg, rgba(34,21,14,0.35), rgba(34,21,14,0.85));
}
.panel--frame > * { position: relative; }
.panel--frame .panel__title { color: #fff; }
.panel__img { width: 100%; max-width: 320px; margin-bottom: var(--sp-5); }

.ticks { list-style: none; margin: var(--sp-5) 0 0; padding: 0; display: grid; gap: var(--sp-3); }
.ticks li { position: relative; padding-left: 1.9rem; font-weight: 500; }
.ticks li::before {
  content: ""; position: absolute; left: 0; top: 0.3em; width: 1.05rem; height: 1.05rem; border-radius: 50%;
  border: 2px solid var(--c-blue); background: radial-gradient(circle, var(--c-blue) 0 30%, transparent 34%);
}
.ticks--light li::before { border-color: var(--c-amber-light); background: radial-gradient(circle, var(--c-amber-light) 0 30%, transparent 34%); }

/* Ruler */
.ruler {
  position: relative; border-radius: var(--r-md); background: var(--c-paper);
  border: 1px solid rgba(20, 35, 58, 0.1); padding-top: 30px; overflow: hidden;
}
.ruler::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 22px;
  background:
    repeating-linear-gradient(90deg, var(--c-ink) 0 1px, transparent 1px 50px) top / 100% 18px no-repeat,
    repeating-linear-gradient(90deg, var(--c-ink-soft) 0 1px, transparent 1px 10px) top / 100% 9px no-repeat;
  opacity: 0.5;
}
.ruler__list { margin: 0; display: grid; }
.ruler__item { padding: var(--sp-5); border-top: 1px dashed rgba(20, 35, 58, 0.15); }
.ruler__item:first-child { border-top: 0; }
.ruler dt { font-family: var(--font-display); font-size: 1.3rem; margin-bottom: var(--sp-2); }
.ruler dt::before {
  content: ""; display: inline-block; width: 10px; height: 10px; margin-right: var(--sp-2); vertical-align: middle;
  border-radius: 50%; background: var(--c-amber);
}
.ruler dd { margin: 0; color: var(--c-ink-soft); }

/* Contact */
.contact { background: var(--c-ink); color: #E7EEF6; position: relative; overflow: hidden; }
.contact::before {
  content: ""; position: absolute; left: -20vw; bottom: -30vw; width: 70vw; height: 70vw; border-radius: 50%;
  background: repeating-radial-gradient(circle, transparent 0 30px, rgba(214,231,245,0.06) 30px 31px);
}
.contact__grid { position: relative; display: grid; gap: var(--sp-6); }
.contact .section__title { color: #fff; }
.contact__text > p { color: #C9D6E6; max-width: 44ch; }
.contact__card {
  font-style: normal; margin-top: var(--sp-5); padding: var(--sp-5);
  border-radius: var(--r-md); border: 1px solid rgba(214, 231, 245, 0.2);
  background: rgba(255, 255, 255, 0.04); line-height: 1.7;
}
.contact__label { display: block; font-size: var(--fs-small); color: var(--c-amber-light); font-weight: 600; margin-top: var(--sp-3); }
.contact__label:first-child { margin-top: 0; }
.contact__card a { color: #fff; }

.form {
  background: var(--c-paper); color: var(--c-ink);
  border-radius: var(--r-lg); padding: var(--sp-5);
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.6);
}
.form__field { margin-bottom: var(--sp-4); }
.form label { display: block; font-weight: 600; font-size: 0.9375rem; margin-bottom: var(--sp-2); }
.form__optional { font-weight: 400; color: var(--c-ink-soft); }
.form input, .form select, .form textarea {
  width: 100%; font: inherit; font-size: 1rem; color: var(--c-ink);
  padding: 0.75rem 0.9rem; min-height: 48px;
  background: var(--c-white); border: 1.5px solid rgba(20, 35, 58, 0.2); border-radius: var(--r-sm);
}
.form textarea { resize: vertical; }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--c-blue); box-shadow: 0 0 0 3px rgba(46, 111, 183, 0.25); }
.form [aria-invalid="true"] { border-color: var(--c-error); }
.form__error { margin: var(--sp-1) 0 0; min-height: 1.2em; font-size: 0.875rem; color: var(--c-error); }
.form__success {
  margin: var(--sp-4) 0 0; padding: var(--sp-4); border-radius: var(--r-sm);
  background: var(--c-tint); color: var(--c-ink); font-weight: 500;
  animation: pop 0.35s var(--ease);
}
@keyframes pop { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* Footer */
.site-footer { background: var(--c-tortoise-deep); color: var(--c-cream-on-dark); padding-top: var(--sp-7); position: relative; }
.site-footer::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 6px; background: var(--tortoise); }
.site-footer a { color: var(--c-cream-on-dark); }
.site-footer a:hover { color: #fff; }
.site-footer__top { display: grid; gap: var(--sp-5); padding-bottom: var(--sp-6); }
.site-footer__brand p { margin-top: var(--sp-3); max-width: 40ch; color: var(--c-muted-on-dark); }
.site-footer__nav { display: flex; flex-wrap: wrap; gap: var(--sp-3) var(--sp-5); }
.legal {
  border-top: 1px solid rgba(234, 223, 210, 0.18);
  padding-top: var(--sp-5); padding-bottom: var(--sp-6);
  font-size: 0.8125rem; line-height: 1.6; color: var(--c-muted-on-dark);
}
.legal__line { margin: 0; }
.legal__line strong { color: var(--c-cream-on-dark); font-weight: 600; }
.legal__bottom { display: flex; flex-wrap: wrap; gap: var(--sp-2) var(--sp-5); justify-content: space-between; margin-top: var(--sp-4); }
.legal__bottom p { margin: 0; }
.legal__links { display: flex; gap: var(--sp-4); }

/* Legal pages */
.doc { padding: var(--sp-7) 0 var(--sp-8); background: linear-gradient(180deg, var(--c-white), #EEF3F8); }
.doc__wrap { max-width: 760px; }
.doc__title { font-family: var(--font-display); font-size: clamp(2.2rem, 1.6rem + 3vw, 3.6rem); margin-bottom: var(--sp-3); }
.doc__updated { color: var(--c-ink-soft); font-size: var(--fs-small); margin-bottom: var(--sp-5); }
.doc__details {
  padding: var(--sp-4) var(--sp-5); border-left: 4px solid var(--c-amber);
  background: var(--c-paper); border-radius: 0 var(--r-sm) var(--r-sm) 0; font-size: 0.9375rem;
}
.doc h2 { font-family: var(--font-display); font-size: 1.6rem; margin: var(--sp-6) 0 var(--sp-3); }
.doc ul { padding-left: 1.2rem; margin: 0 0 var(--sp-4); }
.doc li { margin-bottom: var(--sp-2); }

.notfound { padding: var(--sp-8) 0; text-align: center; }
.notfound__wrap { max-width: 620px; }
.notfound__chart { display: flex; justify-content: center; gap: 0.3em; font-weight: 700; font-size: clamp(5rem, 3rem + 10vw, 9rem); line-height: 1; margin-bottom: var(--sp-5); }
.notfound__chart span { filter: blur(5px); opacity: 0.55; }
.notfound__chart span:nth-child(2) { filter: none; opacity: 1; color: var(--c-blue); }
.notfound p { color: var(--c-ink-soft); }

/* ≥480 */
@media (min-width: 480px) {
  .wrap { padding: 0 var(--sp-5); }
  .hero__actions { flex-direction: row; flex-wrap: wrap; }
  .form { padding: var(--sp-6); }
}

/* ≥768 */
@media (min-width: 768px) {
  .section { padding: var(--sp-9) 0; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .pair__grid { grid-template-columns: 1fr 1fr; align-items: stretch; }
  .panel { padding: var(--sp-7) var(--sp-6); }
  .panel--frame { transform: translateY(var(--sp-6)); }
  .ruler__list { grid-template-columns: repeat(2, 1fr); }
  .ruler__item:nth-child(2) { border-top: 0; }
  .ruler__item:nth-child(even) { border-left: 1px dashed rgba(20, 35, 58, 0.15); }
  .site-footer__top { grid-template-columns: 1fr auto; align-items: start; }
  .hero__figure { max-width: 500px; }
}

/* ≥1024 */
@media (min-width: 1024px) {
  :root { --header-h: 80px; }
  .burger { display: none; }
  .site-nav {
    position: static; padding: 0; background: none; box-shadow: none;
    opacity: 1; transform: none; pointer-events: auto; visibility: visible;
  }
  .site-nav__list { display: flex; align-items: center; gap: var(--sp-5); }
  .site-nav__list a:not(.btn) { border: 0; padding: var(--sp-2) 0; font-size: 0.975rem; }
  .site-nav__list a:not(.btn):hover { color: var(--c-blue-deep); }
  .site-nav__list .btn { margin: 0; width: auto; }

  .hero { padding: var(--sp-7) 0 var(--sp-9); min-height: calc(100vh - var(--header-h)); display: flex; align-items: center; }
  .hero__grid { grid-template-columns: 1.05fr 0.95fr; gap: var(--sp-8); }
  .hero::before { right: -12vw; top: -18vw; width: 64vw; height: 64vw; }

  .steps { grid-template-columns: repeat(4, 1fr); gap: 0; }
  .step { border-radius: 0; border-width: 0 0 0 1px; padding: var(--sp-8) var(--sp-5) var(--sp-5); background: transparent; }
  .step::before { top: var(--sp-4); font-size: 3.4rem; }
  .step:first-child { border-left: 0; padding-left: 0; }
  .step:first-child::before { left: 0; }

  .ruler__list { grid-template-columns: repeat(4, 1fr); }
  .ruler__item { border-top: 0; }
  .ruler__item + .ruler__item { border-left: 1px dashed rgba(20, 35, 58, 0.15); }

  .contact__grid { grid-template-columns: 0.9fr 1.1fr; gap: var(--sp-8); align-items: start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}