/* AMIECO — feuille de style du site vitrine */
:root {
  --bg: #F6F8F6;
  --surface: #FFFFFF;
  --surface-2: #EEF3F1;
  --ink: #12232E;
  --ink-2: #2E4350;
  --muted: #5E6F77;
  --line: #D6DFDB;
  --accent: #0F6E7C;
  --accent-deep: #0B4F5A;
  --accent-soft: #DCEEF0;
  --brass: #A7782A;
  --focus: #1E9AAB;
  --btn-ink: #FFFFFF;
  --shadow: 0 18px 40px -24px rgba(18, 35, 46, .35);
  --display: "Cormorant Garamond", "Iowan Old Style", Georgia, serif;
  --body: "Karla", "Helvetica Neue", Arial, sans-serif;
  --mono: "DM Mono", "SFMono-Regular", Menlo, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0E1A20;
    --surface: #142430;
    --surface-2: #1A2D3A;
    --ink: #E9EFEC;
    --ink-2: #C9D6D8;
    --muted: #9BB0B5;
    --line: #263B45;
    --accent: #45B4C1;
    --accent-deep: #7FD0DA;
    --accent-soft: #163640;
    --brass: #D4A653;
    --focus: #7FD0DA;
    --btn-ink: #0E1A20;
    --shadow: 0 18px 40px -24px rgba(0, 0, 0, .7);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0E1A20;
  --surface: #142430;
  --surface-2: #1A2D3A;
  --ink: #E9EFEC;
  --ink-2: #C9D6D8;
  --muted: #9BB0B5;
  --line: #263B45;
  --accent: #45B4C1;
  --accent-deep: #7FD0DA;
  --accent-soft: #163640;
  --brass: #D4A653;
  --focus: #7FD0DA;
  --btn-ink: #0E1A20;
  --shadow: 0 18px 40px -24px rgba(0, 0, 0, .7);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent-deep); }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; border-radius: 2px; }
img, svg { max-width: 100%; }
h1, h2, h3 { font-family: var(--display); font-weight: 600; line-height: 1.08; margin: 0; text-wrap: balance; letter-spacing: -.005em; }
h1 { font-size: clamp(2.5rem, 5.6vw, 4.4rem); }
h2 { font-size: clamp(2rem, 3.6vw, 2.9rem); }
h3 { font-size: 1.55rem; }
p { margin: 0; }
.eyebrow {
  font-family: var(--mono);
  font-size: .76rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
}
.lede { font-size: 1.2rem; color: var(--ink-2); max-width: 36em; }
.muted { color: var(--muted); }
.wrap { width: min(1120px, 100% - 2.5rem); margin-inline: auto; }

/* En-tête */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding-block: .85rem; }
.brand { display: flex; flex-direction: column; gap: .1rem; text-decoration: none; color: var(--ink); }
.brand-name { font-family: var(--display); font-weight: 700; font-size: 1.55rem; letter-spacing: .06em; line-height: 1; }
.brand-sub { font-family: var(--mono); font-size: .62rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.nav { display: flex; gap: 1.6rem; align-items: center; }
.nav a { color: var(--ink-2); text-decoration: none; font-weight: 500; font-size: .95rem; }
.nav a:hover { color: var(--accent); }
.nav .btn { padding: .55rem 1rem; color: var(--btn-ink); }
.nav .btn:hover { color: var(--btn-ink); }
@media (max-width: 720px) { .nav a:not(.btn) { display: none; } }

.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .85rem 1.35rem; border-radius: 3px;
  font-weight: 700; font-size: .95rem; text-decoration: none; cursor: pointer;
  border: 1px solid var(--accent); background: var(--accent); color: var(--btn-ink);
  font-family: var(--body);
  transition: background .15s ease, transform .15s ease;
}
.btn:hover { background: var(--accent-deep); border-color: var(--accent-deep); color: var(--btn-ink); }
.btn.ghost { background: transparent; color: var(--accent); }
.btn.ghost:hover { background: var(--accent-soft); color: var(--accent-deep); }

/* Héros */
.hero { padding-block: clamp(3rem, 8vw, 6.5rem) clamp(3rem, 6vw, 5rem); position: relative; overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(300px, .85fr); gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.hero-copy { display: flex; flex-direction: column; gap: 1.5rem; }
.hero-copy h1 em { font-style: italic; font-weight: 500; color: var(--accent); }
.hero-actions { display: flex; gap: .8rem; flex-wrap: wrap; }
.routes { position: absolute; inset: auto 0 0 0; height: 100%; width: 100%; pointer-events: none; z-index: -1; opacity: .55; }
.routes path { fill: none; stroke: var(--line); stroke-width: 1; }
.routes .hub { fill: var(--brass); }
@media (max-width: 860px) { .hero .wrap { grid-template-columns: 1fr; } }

/* Fiche registre */
.registry {
  background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow);
  padding: 1.4rem 1.5rem 1.5rem; border-radius: 4px;
  font-size: .95rem;
}
.registry-head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; padding-bottom: .9rem; border-bottom: 1px solid var(--line); margin-bottom: .2rem; }
.registry-head .eyebrow { color: var(--brass); }
.status { display: inline-flex; align-items: center; gap: .4rem; font-family: var(--mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }
.status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.registry dl { margin: 0; display: grid; grid-template-columns: max-content 1fr; column-gap: 1.2rem; }
.registry dt { font-family: var(--mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); padding: .75rem 0; border-bottom: 1px solid var(--line); }
.registry dd { margin: 0; padding: .7rem 0; border-bottom: 1px solid var(--line); color: var(--ink); font-variant-numeric: tabular-nums; }
.registry dt:last-of-type, .registry dd:last-of-type { border-bottom: 0; }
.registry-foot { margin-top: .9rem; font-size: .78rem; color: var(--muted); }

/* Sections */
section { padding-block: clamp(3rem, 7vw, 5.5rem); }
.section-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 2rem 4rem; align-items: end; margin-bottom: clamp(2rem, 4vw, 3rem); }
.section-head .lede { font-size: 1.1rem; }
@media (max-width: 860px) { .section-head { grid-template-columns: 1fr; } }
.stack { display: flex; flex-direction: column; gap: .8rem; }

.services { background: var(--surface); border-block: 1px solid var(--line); }
.service-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; border: 1px solid var(--line); }
.service { padding: 1.9rem 1.8rem 2rem; display: flex; flex-direction: column; gap: .9rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.service:nth-child(2n) { border-right: 0; }
.service:nth-last-child(-n+2) { border-bottom: 0; }
.service .glyph { width: 34px; height: 34px; color: var(--accent); }
.service h3 { margin-top: .2rem; }
.service p { color: var(--ink-2); }
.service ul { margin: .2rem 0 0; padding-left: 1.1rem; color: var(--muted); font-size: .95rem; display: flex; flex-direction: column; gap: .25rem; }
@media (max-width: 720px) { .service-grid { grid-template-columns: 1fr; } .service { border-right: 0; } .service:nth-last-child(2) { border-bottom: 1px solid var(--line); } }

/* Déroulé d'une mission — vraie séquence, donc numérotée */
.steps { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 1.5rem; counter-reset: step; }
.step { display: flex; flex-direction: column; gap: .6rem; padding-top: 1rem; border-top: 2px solid var(--line); position: relative; }
.step::before { counter-increment: step; content: counter(step, decimal-leading-zero); font-family: var(--mono); font-size: .78rem; color: var(--brass); letter-spacing: .1em; }
.step:first-child { border-top-color: var(--accent); }
.step h3 { font-size: 1.35rem; }
.step p { font-size: .95rem; color: var(--ink-2); }
@media (max-width: 960px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }

.why { background: var(--surface-2); border-block: 1px solid var(--line); }
.why .wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 3rem 4rem; }
.facts { display: grid; grid-template-columns: 1fr; gap: 0; }
.fact { display: grid; grid-template-columns: 6.5rem 1fr; gap: 1.2rem; padding: 1rem 0; border-top: 1px solid var(--line); align-items: baseline; }
.fact:last-child { border-bottom: 1px solid var(--line); }
.fact .k { font-family: var(--display); font-size: 1.7rem; font-weight: 600; color: var(--accent-deep); line-height: 1; font-variant-numeric: tabular-nums; }
.fact .v { color: var(--ink-2); font-size: .98rem; }
.commit { display: flex; flex-direction: column; gap: 1.1rem; }
.commit li { list-style: none; display: grid; grid-template-columns: 1.4rem 1fr; gap: .8rem; }
.commit ul { margin: 0; padding: 0; display: flex; flex-direction: column; gap: 1rem; }
.commit svg { width: 1.2rem; height: 1.2rem; color: var(--brass); margin-top: .2rem; }
.commit strong { display: block; font-weight: 700; }
.commit span { color: var(--ink-2); font-size: .95rem; }
@media (max-width: 860px) { .why .wrap { grid-template-columns: 1fr; } }

/* Contact */
.contact .wrap { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 3rem 4rem; }
.address { font-style: normal; display: flex; flex-direction: column; gap: 1.2rem; }
.address .block { display: flex; flex-direction: column; gap: .2rem; }
.address .block .eyebrow { margin-bottom: .3rem; }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; background: var(--surface); border: 1px solid var(--line); padding: 1.6rem; border-radius: 4px; }
.form label { display: flex; flex-direction: column; gap: .35rem; font-size: .85rem; font-weight: 700; color: var(--ink-2); }
.form label.full { grid-column: 1 / -1; }
.form input, .form textarea {
  font: inherit; font-size: 1rem; color: var(--ink); background: var(--bg);
  border: 1px solid var(--line); border-radius: 3px; padding: .7rem .8rem; width: 100%;
}
.form input:focus, .form textarea:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 3px var(--accent-soft); }
.form textarea { min-height: 8rem; resize: vertical; }
.form .actions { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.form .note { font-size: .82rem; color: var(--muted); max-width: 26em; }
.form-status { grid-column: 1 / -1; font-size: .9rem; color: var(--accent-deep); min-height: 1.4em; }
@media (max-width: 860px) { .contact .wrap { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .form { grid-template-columns: 1fr; } }

/* Pied de page */
.site-footer { border-top: 1px solid var(--line); padding-block: 2rem; font-size: .85rem; color: var(--muted); }
.site-footer .wrap { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--accent); }

/* Page mentions légales */
.legal { padding-block: clamp(2.5rem, 6vw, 4.5rem); }
.legal .wrap { max-width: 720px; display: flex; flex-direction: column; gap: 2rem; }
.legal h2 { font-size: 1.6rem; margin-bottom: .6rem; }
.legal dl { margin: 0; display: grid; grid-template-columns: max-content 1fr; gap: .5rem 1.5rem; }
.legal dt { font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); padding-top: .25rem; }
.legal dd { margin: 0; }
.legal p + p { margin-top: .7rem; }