/* =====================================================================
   L'Arbre de Vie — Feuille de style principale
   Typo : Montserrat · Palette issue du PSD
   Auteur : site refait en HTML/CSS, responsive, prêt production
   ===================================================================== */

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

/* Police de repli aux métriques de Montserrat : la page s'affiche dans une
   police système « calibrée » pour occuper la même largeur/hauteur, de sorte
   que l'arrivée de Montserrat ne provoque aucun décalage (le menu ne saute plus). */
@font-face {
  font-family: "Montserrat Fallback";
  src: local("Arial");
  size-adjust: 111%;
  ascent-override: 82%;
  descent-override: 22%;
  line-gap-override: 0%;
}

/* Réserve en permanence la place de la barre de défilement :
   évite que le header/menu « saute » horizontalement entre une page
   courte (sans scrollbar) et une page longue (avec scrollbar). */
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scrollbar-gutter: stable;
}
@supports not (scrollbar-gutter: stable) {
  html { overflow-y: scroll; }
}
body { overflow-x: hidden; }

body,
h1, h2, h3, h4, p, figure, blockquote, ul, ol, dl, dd { margin: 0; }

ul[role="list"],
ol[role="list"] { list-style: none; padding: 0; }

img,
picture,
svg { max-width: 100%; display: block; }
img { height: auto; }   /* jamais de déformation quand la largeur est contrainte */

a { color: inherit; text-decoration: none; }

button,
input,
textarea,
select { font: inherit; color: inherit; }

:focus-visible {
  outline: 3px solid var(--coral);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- Variables ---------- */
:root {
  /* couleurs marque */
  --teal:        #0d81a0;
  --teal-600:    #0b7291;
  --teal-700:    #12708c;
  --teal-800:    #0f5f78;
  --teal-banner: #2187a5;
  --coral:       #ff7f6c;
  --coral-600:   #f2664f;
  --coral-700:   #e0553f;
  --lime:        #bacd0f;
  --lime-600:    #a6b70c;
  --lime-700:    #93a30a;

  /* fonds & neutres */
  --mint:        #dceee6;
  --mint-200:    #eaf5f0;
  --surface:     #ffffff;
  --card:        #f4fafb;
  --ink:         #2c3e44;
  --muted:       #5f7075;
  --line:        #d8e6e5;

  /* échelle d'espacement — grille 8 px */
  --s-1: 4px;   --s-2: 8px;   --s-3: 16px;  --s-4: 24px;
  --s-5: 32px;  --s-6: 40px;  --s-7: 48px;  --s-8: 64px;
  --s-9: 80px;  --s-10: 96px;

  /* mesures */
  --container: 1140px;
  --radius:    16px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 8px rgba(13,129,160,.08);
  --shadow-md: 0 10px 30px rgba(13,129,160,.12);
  --shadow-lg: 0 18px 48px rgba(13,129,160,.18);
  --ease: cubic-bezier(.2,.7,.3,1);

  --step-0: clamp(1rem, .96rem + .2vw, 1.0625rem);      /* corps ~17px */
  --step-1: clamp(1.15rem, 1.05rem + .5vw, 1.35rem);
  --step-2: clamp(1.4rem, 1.2rem + 1vw, 1.9rem);
  --step-3: clamp(1.8rem, 1.4rem + 2vw, 2.9rem);        /* titres section */
  --step-4: clamp(2.2rem, 1.6rem + 3vw, 3.6rem);        /* hero */
}

/* ---------- Base ---------- */
body {
  font-family: "Montserrat", "Montserrat Fallback", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: var(--step-0);
  line-height: 1.65;
  color: var(--ink);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 { line-height: 1.15; color: var(--teal); font-weight: 800; letter-spacing: -.01em; }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-2); }
p  { color: var(--ink); }
strong { font-weight: 700; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(16px, 4vw, 32px);
}

.section { padding-block: clamp(48px, 6vw, 88px); }
.section--mint   { background: var(--mint); }
.section--mint2  { background: var(--mint-200); }
.section--teal   { background: var(--teal-700); color:#fff; }
.section--teal h2, .section--teal h3 { color:#fff; }
.section--white  { background: var(--surface); }

.center { text-align: center; }
.lead { font-size: var(--step-1); color: var(--muted); }

/* ---------- Titre de section + feuilles ---------- */
.eyebrow {
  display: block; margin-bottom: var(--s-2);
  font-weight: 700; letter-spacing:.14em; text-transform: uppercase;
  font-size: .82rem; color: var(--lime-700);
}
.section-title { display: block; }
.title-wrap { max-width: 760px; margin-inline:auto; }
.title-wrap p { margin-top: var(--s-3); }

/* ---------- Boutons ---------- */
.btn {
  --bg: var(--coral);
  --bgh: var(--coral-600);
  --fg: #fff;
  display: inline-flex; align-items: center; justify-content:center; gap:.55rem;
  padding: .82em 1.5em;
  min-height: 48px;
  font-weight: 700; font-size: 1rem; line-height: 1;
  color: var(--fg); background: var(--bg);
  border: 2px solid transparent; border-radius: var(--radius-pill);
  cursor: pointer;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease),
              background-color .18s var(--ease), border-color .18s var(--ease);
  box-shadow: var(--shadow-sm);
  text-align:center;
  white-space: nowrap;
}
.btn svg { width: 1.2em; height: 1.2em; flex: 0 0 auto; }
.arrow-link svg { width: 1.1em; height: 1.1em; flex:0 0 auto; }
.btn:hover { background: var(--bgh); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn:active { transform: translateY(0); box-shadow: var(--shadow-sm); }
.btn .chev { transition: transform .2s var(--ease); }
.btn:hover .chev { transform: translateX(4px); }

.btn--coral { --bg: var(--coral); --bgh: var(--coral-600); }
.btn--lime  { --bg: var(--lime);  --bgh: var(--lime-600); --fg:#123; }
.btn--teal  { --bg: var(--teal);  --bgh: var(--teal-600); }
.btn--ghost {
  --bg: transparent; --fg: var(--teal);
  border-color: currentColor; box-shadow:none;
}
.btn--ghost:hover { background: var(--teal); --fg:#fff; color:#fff; box-shadow: var(--shadow-sm); }
.btn--on-teal.btn--ghost { --fg:#fff; }
.btn--on-teal.btn--ghost:hover { background:#fff; color:var(--teal); }
.btn--lg { padding: 1em 1.8em; font-size: 1.05rem; min-height: 56px; }
.btn--block { width:100%; }

/* lien fléché */
.arrow-link {
  display: inline-flex; align-items:center; gap:.4rem;
  font-weight: 700; color: var(--teal);
  position: relative;
}
.arrow-link .chev { transition: transform .2s var(--ease); }
.arrow-link::after {
  content:""; position:absolute; left:0; bottom:-3px; height:2px; width:100%;
  background: currentColor; transform: scaleX(0); transform-origin: left;
  transition: transform .25s var(--ease);
}
.arrow-link:hover::after { transform: scaleX(1); }
.arrow-link:hover .chev { transform: translateX(4px); }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky; top:0; z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(1.2) blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display:flex; align-items:center; justify-content:space-between; gap: var(--s-4);
  min-height: 72px;
}
.brand { display:flex; align-items:center; flex:0 0 auto; }
/* Le mot-logo est ~5 % sous le centre de l'image (l'arbre monte plus haut) :
   on remonte le logo pour aligner sa ligne de base sur le texte du menu. */
.brand img { height: clamp(40px, 4vw, 48px); width:auto; transform: translateY(-3px); }
.nav-menu {
  display:flex; align-items:center; gap: clamp(14px, 1.15vw, 22px);
  list-style:none; margin:0; padding:0;
}
.nav-menu a {
  font-size: .9rem; font-weight: 600; color: var(--ink);
  padding: var(--s-2) 0; position:relative; letter-spacing: -.01em;
  transition: color .2s var(--ease);
}
.nav-menu a::after {
  content:""; position:absolute; left:0; bottom:2px; height:2px; width:100%;
  background: var(--teal); transform: scaleX(0); transform-origin:left;
  transition: transform .25s var(--ease);
}
.nav-menu a:hover { color: var(--teal); }
.nav-menu a:hover::after,
.nav-menu a[aria-current="page"]::after { transform: scaleX(1); }
.nav-menu a[aria-current="page"] { color: var(--teal); }
.nav-menu > li > a { white-space: nowrap; }
.nav-menu .btn { display: none; }        /* le CTA du menu ne s'affiche qu'en mobile */
.nav-actions { display:flex; align-items:center; gap: var(--s-2); }
.nav-actions .btn { padding: .55em 1.1em; min-height: 42px; font-size: .9rem; }
.nav-toggle {
  display:none; width:48px; height:48px; border:none; background:transparent;
  cursor:pointer; padding:10px; border-radius: var(--radius-sm);
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content:""; display:block; height:3px; border-radius:3px; background: var(--teal);
  transition: transform .25s var(--ease), opacity .2s var(--ease);
}
.nav-toggle span { position: relative; }
.nav-toggle span::before { position:absolute; top:-8px; width:100%; }
.nav-toggle span::after  { position:absolute; top: 8px; width:100%; }
.nav-toggle[aria-expanded="true"] span { transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(8px) rotate(90deg); }
.nav-toggle[aria-expanded="true"] span::after { opacity:0; }

/* ---------- Hero ---------- */
.hero {
  position: relative; color:#fff;
  background: var(--teal-banner);
  overflow: hidden;
}
.hero__media { position:absolute; inset:0; }
.hero__media img { width:100%; height:100%; object-fit: cover; object-position: right center; }
.hero__scrim {
  position:absolute; inset:0;
  background: linear-gradient(90deg, rgba(23,116,143,.96) 0%, rgba(23,116,143,.86) 30%, rgba(23,116,143,.25) 58%, rgba(23,116,143,0) 78%);
}
.hero__inner { position:relative; padding-block: clamp(var(--s-8), 8vw, var(--s-10)); max-width: 620px; }
.hero h1 { color:#fff; font-size: var(--step-4); }
.hero .hero__sub { margin-top: var(--s-3); font-size: var(--step-1); color: #eaf7fb; font-weight:500; }
.hero .hero__meta { margin-top: var(--s-1); color:#d5eef4; }
.hero__cta { margin-top: var(--s-5); display:flex; flex-wrap:wrap; gap: var(--s-2); }

/* petit hero pour pages internes */
.pagehero {
  position:relative; background: var(--teal-700); color:#fff;
  padding-block: clamp(var(--s-6), 6vw, var(--s-8));
  overflow:hidden;
}
.pagehero__media { position:absolute; inset:0; }
.pagehero__media img { width:100%; height:100%; object-fit:cover; }
.pagehero__scrim { position:absolute; inset:0;
  background: linear-gradient(90deg, rgba(15,95,120,.94) 0%, rgba(15,95,120,.78) 45%, rgba(15,95,120,.55) 100%); }
.pagehero .container { position:relative; z-index:1; }
.pagehero h1 { color:#fff; font-size: var(--step-3); }
.pagehero p { color:#e8f6fa; margin-top: var(--s-2); max-width: 640px; }
.breadcrumb { font-size:.85rem; color:#cfeaf1; margin-bottom: var(--s-2); }
.breadcrumb a:hover { text-decoration: underline; }

/* ---------- Grilles ---------- */
.grid { display:grid; gap: clamp(var(--s-3), 2.4vw, var(--s-4)); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }

/* ---------- Carte service ---------- */
.card {
  background: var(--surface); border:1px solid var(--line);
  border-radius: var(--radius); padding: var(--s-5) var(--s-4);
  box-shadow: var(--shadow-sm);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
  height:100%;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color:#c3ddde; }
.card--center { text-align:center; }
.card__icon {
  width:88px; height:88px; margin: 0 auto var(--s-3);
  display:grid; place-items:center;
  background: var(--card); border-radius: 50%;
}
.card__icon img, .card__icon svg { width: 46px; height:46px; }
.card h3 { font-size: 1.15rem; }
.card p { color: var(--muted); margin-top: var(--s-2); font-size:.98rem; }

/* liste à puces feuille */
.leaf-list { list-style:none; padding:0; margin: var(--s-3) 0 0; display:grid; gap: var(--s-2); }
.leaf-list li { position:relative; padding-left: var(--s-5); }
.leaf-list li::before {
  content:""; position:absolute; left:0; top:.15em; width:1.25rem; height:1.25rem;
  background: url("../img/leaf.png") center/contain no-repeat;
}
.check-list { list-style:none; padding:0; margin: var(--s-3) 0 0; display:grid; gap: var(--s-2); }
.check-list li { position:relative; padding-left: var(--s-5); }
.check-list li::before {
  content:""; position:absolute; left:0; top:.28em; width:1.15rem; height:1.15rem;
  background:
     linear-gradient(var(--lime),var(--lime));
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M20 6L9 17l-5-5' fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M20 6L9 17l-5-5' fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat;
}

/* ---------- Split (texte + média) ---------- */
.split { display:grid; grid-template-columns: 1.05fr 1fr; gap: clamp(var(--s-5),4vw,var(--s-8)); align-items:center; }
.split--rev .split__media { order:-1; }
.split__media img { width:100%; height:auto; border-radius: var(--radius); box-shadow: var(--shadow-sm); }
/* Photos encadrées : ratio constant, jamais écrasées (on recadre, on ne déforme pas) */
.split__media:not(.media-plain) img { aspect-ratio: 4 / 3; object-fit: cover; }
.media-plain img { box-shadow:none; }   /* carte/illustration : affichée en entier, sans recadrage */

/* ---------- Étapes ---------- */
.steps { counter-reset: step; }
.step { text-align:center; position:relative; }
.step__icon {
  width: 96px; height:96px; margin:0 auto 1rem; border-radius:50%;
  background:#fff; border:2px solid var(--line); display:grid; place-items:center;
  box-shadow: var(--shadow-sm); position:relative;
}
.section--mint .step__icon { background:#fff; }
.step__icon img { width:44px; height:44px; }
.step__num {
  counter-increment: step;
  position:absolute; top:-8px; right:-8px; width:34px; height:34px;
  background: var(--coral); color:#fff; border-radius:50%;
  display:grid; place-items:center; font-weight:800; font-size:.95rem;
  box-shadow: var(--shadow-sm);
}
.step__num::before { content: counter(step); }
.step h3 { font-size:1.12rem; }
.step p { color: var(--muted); margin-top:.35rem; font-size:.96rem; }

/* ---------- Confiance / témoignage ---------- */
.testimonial { display:grid; grid-template-columns: 1.1fr .9fr; gap: clamp(1.5rem,4vw,3rem); align-items:center; }
.quote { position:relative; padding-left: 1.4rem; }
.quote__stars { display:flex; gap:.15rem; margin-bottom:1rem; color:#ffc23c; }
.quote__stars svg { width:26px; height:26px; }
.quote blockquote { font-size: var(--step-1); font-weight:500; line-height:1.5; }
.quote cite { display:block; margin-top:1rem; font-style:normal; font-weight:700; color:#d7eef4; }
.contact-card {
  background: linear-gradient(150deg, var(--lime) 0%, #cdd94f 100%);
  border-radius: var(--radius); padding: 2.2rem; text-align:center; color:#0e3a46;
}
.contact-card .tel { font-size: clamp(1.8rem,4vw,2.6rem); font-weight:800; color: var(--teal-800); letter-spacing:.02em; }
.contact-card .divider { height:2px; width:70%; margin:1rem auto; background: var(--teal-800); opacity:.5; }
.contact-card .place { font-weight:700; color: var(--teal-800); font-size:1.15rem; }
.contact-card .btn { margin-top:1.3rem; }

/* ---------- Bandeau CTA ---------- */
.cta-band { background: var(--coral); color:#fff; border-radius: var(--radius); padding: clamp(1.8rem,4vw,3rem); text-align:center; }
.cta-band h2 { color:#fff; }
.cta-band p { color:#fff; opacity:.95; margin-top:.5rem; }
.cta-band .btns { margin-top:1.5rem; display:flex; gap:.9rem; justify-content:center; flex-wrap:wrap; }
.cta-band .btn--coral { --bg:#fff; --bgh:#fff5f3; --fg: var(--coral-700); }
.cta-band .btn--ghost { --fg:#fff; }
.cta-band .btn--ghost:hover { background:#fff; color: var(--coral-700); }

/* ---------- FAQ (accordéon) ---------- */
.faq { max-width: 820px; margin-inline:auto; display:grid; gap:.8rem; }
.faq details {
  background:#fff; border:1px solid var(--line); border-radius: var(--radius-sm);
  padding: 0 1.3rem; box-shadow: var(--shadow-sm); overflow:hidden;
}
.faq summary {
  list-style:none; cursor:pointer; padding: 1.1rem 0; font-weight:700; color: var(--teal);
  display:flex; justify-content:space-between; align-items:center; gap:1rem;
}
.faq summary::-webkit-details-marker { display:none; }
.faq summary .plus {
  flex:0 0 auto; width:26px; height:26px; position:relative; transition: transform .25s var(--ease);
}
.faq summary .plus::before,.faq summary .plus::after {
  content:""; position:absolute; inset:0; margin:auto; background: var(--coral); border-radius:2px;
}
.faq summary .plus::before { width:16px; height:3px; }
.faq summary .plus::after  { width:3px; height:16px; }
.faq details[open] summary .plus { transform: rotate(45deg); }
.faq details[open] summary { color: var(--teal); }
.faq .faq__body { padding: 0 0 1.2rem; color: var(--muted); }

/* ---------- Contact form ---------- */
.contact-grid { display:grid; grid-template-columns: 1fr 1fr; gap: clamp(1.5rem,4vw,3rem); align-items:start; }
.info-list { display:grid; gap:1.1rem; margin-top:1rem; }
.info-list .row { display:flex; gap:.9rem; align-items:flex-start; }
.info-list .ico { flex:0 0 auto; width:44px; height:44px; border-radius:50%; background: var(--mint); display:grid; place-items:center; color: var(--teal); }
.info-list .ico svg { width:22px; height:22px; }
.info-list a:hover { color: var(--teal); text-decoration:underline; }
.form { background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding: var(--s-5); box-shadow: var(--shadow-sm); display:grid; gap: var(--s-3); }
.field { display:grid; gap: var(--s-1); }
.field label { font-weight:600; font-size:.95rem; }
.field input, .field textarea, .field select {
  width:100%; padding:.8em 1em; border:1.5px solid var(--line); border-radius: var(--radius-sm);
  background:#fbfdfd; transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field input:focus, .field textarea:focus, .field select:focus {
  border-color: var(--teal); box-shadow: 0 0 0 3px rgba(13,129,160,.15); outline:none;
}
.field.two { grid-template-columns:1fr 1fr; gap: var(--s-3); }
@media (max-width:560px){ .field.two{ grid-template-columns:1fr; } }

/* ---------- Footer ---------- */
.site-footer { background: var(--mint); color: var(--ink); padding-block: clamp(var(--s-6),5vw,var(--s-8)) var(--s-4); }
.footer-grid { display:grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: var(--s-5); }
.site-footer img.flogo { height:47px; width:auto; margin-bottom: var(--s-3); }
.site-footer h4 { color: var(--teal); font-size:1rem; margin-bottom: var(--s-3); }
.site-footer ul { list-style:none; padding:0; margin:0; display:grid; gap: var(--s-2); }
.site-footer a:hover { color: var(--teal); text-decoration:underline; }
.footer-contact .row { display:flex; gap: var(--s-2); align-items:center; margin-bottom: var(--s-2); }
.footer-contact .row svg { width:20px; height:20px; color: var(--teal); flex:0 0 auto; }
.footer-bottom { margin-top: var(--s-5); padding-top: var(--s-4); border-top:1px solid var(--line);
  display:flex; justify-content:space-between; gap: var(--s-3); flex-wrap:wrap; font-size:.85rem; color: var(--muted); }

/* ---------- Pages légales (prose) ---------- */
.legal { max-width: 820px; margin-inline: auto; }
.legal h2 { font-size: var(--step-2); margin-top: var(--s-6); }
.legal h2:first-child { margin-top: 0; }
.legal h3 { font-size: 1.15rem; color: var(--teal); margin-top: var(--s-4); }
.legal p, .legal li { color: var(--ink); }
.legal p { margin-top: var(--s-3); }
.legal ul { margin: var(--s-3) 0 0; padding-left: 1.2rem; display: grid; gap: var(--s-2); }
.legal a { color: var(--teal); text-decoration: underline; }
.legal .updated { color: var(--muted); font-size: .9rem; margin-top: var(--s-2); }
.legal .note { background: var(--mint-200); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: var(--s-3) var(--s-4); margin-top: var(--s-4); font-size: .95rem; color: var(--muted); }

/* ---------- Utilitaires (grille 8 px) ---------- */
.mt-1{margin-top: var(--s-2)}.mt-2{margin-top: var(--s-3)}.mt-3{margin-top: var(--s-5)}
.stack > * + * { margin-top: var(--s-3); }
.skip-link {
  position:absolute; left:8px; top:-60px; background: var(--teal); color:#fff;
  padding:.7em 1.1em; border-radius: 0 0 var(--radius-sm) var(--radius-sm); z-index:200;
  transition: top .2s var(--ease);
}
.skip-link:focus { top:0; }

/* ---------- Animation d'apparition (légère) ---------- */
.reveal { opacity:0; transform: translateY(18px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.is-visible { opacity:1; transform:none; }
@media (prefers-reduced-motion: reduce) {
  * { animation:none !important; transition:none !important; scroll-behavior:auto !important; }
  .reveal { opacity:1; transform:none; }
}

/* =====================================================================
   RESPONSIVE
   ===================================================================== */
@media (max-width: 1023px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .split, .testimonial, .contact-grid { grid-template-columns: 1fr; }
  .split--rev .split__media { order:0; }
  .testimonial .contact-card { max-width:520px; }
}

@media (max-width: 1024px) {
  .nav-menu {
    position: fixed; inset: 76px 0 auto 0;
    flex-direction: column; align-items:stretch; gap:0;
    background:#fff; border-bottom:1px solid var(--line);
    padding: .5rem clamp(1.1rem,4vw,2rem) 1.3rem;
    box-shadow: var(--shadow-md);
    transform: translateY(-140%); transition: transform .3s var(--ease);
    max-height: calc(100vh - 76px); overflow:auto;
  }
  .nav-menu.is-open { transform: translateY(0); }
  .nav-menu li { border-bottom:1px solid var(--line); }
  .nav-menu a { display:block; padding: .95rem 0; font-size:1.05rem; }
  .nav-menu a::after { display:none; }
  .nav-toggle { display:block; }
  .nav-actions .btn { display:none; }
  .nav-menu .btn { display:inline-flex; margin-top:1rem; }
}

@media (max-width: 640px) {
  .grid--4, .grid--3, .grid--2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero__scrim { background: linear-gradient(180deg, rgba(23,116,143,.55) 0%, rgba(23,116,143,.9) 55%, rgba(23,116,143,.97) 100%); }
  .hero__media img { object-position: 65% center; }
  .hero__inner { max-width:none; }
  .hero__cta .btn { width:100%; }
  .steps.grid--3 { gap:2.2rem; }
}