/* 2YS — site vitrine. Une seule page, sans framework. */
:root {
  --ink: #12141d;
  --ink-2: #3b3f4f;
  --muted: #6b7080;
  --line: #e6e8ef;
  --paper: #fbfaf7;
  --paper-2: #f3f1ea;
  --accent: #1f4fd8;
  --accent-2: #7c3aed;
  --accent-ink: #ffffff;
  --dark: #0f1220;
  --dark-2: #171b2e;
  --radius: 14px;
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --max: 1120px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.15; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(2.1rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.4rem); }
h3 { font-size: 1.2rem; font-family: var(--sans); font-weight: 600; }
p { margin: 0 0 1em; }
.muted { color: var(--muted); }
.small { font-size: .85rem; color: var(--muted); }
.eyebrow {
  font-size: .78rem; text-transform: uppercase; letter-spacing: .14em; font-weight: 600;
  color: var(--accent); margin-bottom: .8em;
}
.skip { position: absolute; left: -999px; top: 0; background: var(--ink); color: #fff; padding: .5rem 1rem; }
.skip:focus { left: 1rem; z-index: 100; }

/* ── en-tête ── */
.top {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: .9rem clamp(1rem, 4vw, 2.5rem);
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.logo { text-decoration: none; }
.logo-mark {
  display: inline-grid; place-items: center;
  font-family: var(--serif); font-weight: 600; font-size: 1.05rem; letter-spacing: .02em;
  color: #fff; background: linear-gradient(135deg, var(--accent), var(--accent-2));
  padding: .35rem .6rem; border-radius: 9px;
}
.logo-mark.small { font-size: .8rem; padding: .25rem .45rem; margin-inline-end: .6rem; }
.top nav { display: flex; align-items: center; gap: clamp(.6rem, 2vw, 1.4rem); flex-wrap: wrap; justify-content: flex-end; }
.top nav a { color: var(--ink-2); text-decoration: none; font-size: .92rem; font-weight: 500; }
.top nav a:hover { color: var(--accent); }

/* ── boutons ── */
.btn {
  display: inline-block; text-decoration: none; font-weight: 600; font-size: .95rem;
  color: var(--accent-ink); background: var(--accent);
  padding: .8rem 1.35rem; border-radius: 999px;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  box-shadow: 0 8px 24px -12px rgba(31, 79, 216, .7);
}
.btn:hover { transform: translateY(-1px); background: #1a44bd; }
.btn-small { padding: .55rem 1rem; font-size: .85rem; }
.btn-ghost { background: transparent; color: var(--ink); box-shadow: none; border: 1px solid var(--line); }
.btn-ghost:hover { background: #fff; border-color: #cfd3df; }
.btn-light { background: #fff; color: var(--ink); box-shadow: none; }
.btn-light:hover { background: #f0f0f4; }
.btn-block { display: block; text-align: center; }

/* ── hero ── */
.hero {
  max-width: var(--max); margin: 0 auto;
  padding: clamp(3.5rem, 9vw, 7rem) clamp(1rem, 4vw, 2.5rem) clamp(2.5rem, 6vw, 4rem);
  position: relative;
}
.hero::before {
  content: ""; position: absolute; inset: 0 auto auto 0; width: 100%; height: 100%; z-index: -1;
  background:
    radial-gradient(60% 50% at 10% 10%, rgba(31, 79, 216, .10), transparent 70%),
    radial-gradient(45% 45% at 90% 20%, rgba(124, 58, 237, .10), transparent 70%);
}
.hero h1 { max-width: 15ch; }
.hero h1 em { font-style: italic; color: var(--accent); }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--ink-2); max-width: 60ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; align-items: center; margin: 1.6rem 0 2.6rem; }
.hero-facts {
  list-style: none; padding: 0; margin: 0;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: .8rem;
}
.hero-facts li {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: .9rem 1rem; font-size: .9rem; color: var(--muted);
}
.hero-facts li span { display: block; font-weight: 600; color: var(--ink); margin-bottom: .15rem; }

/* ── sections ── */
.section { max-width: var(--max); margin: 0 auto; padding: clamp(3rem, 7vw, 5.5rem) clamp(1rem, 4vw, 2.5rem); }
.section-alt { max-width: none; background: var(--paper-2); }
.section-alt > * { max-width: var(--max); margin-inline: auto; }
.section-head { max-width: 68ch; margin-bottom: 2.2rem; }
.section-dark { max-width: none; background: var(--dark); color: #e8e9f0; }
.section-dark > * { max-width: var(--max); margin-inline: auto; }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-dark .eyebrow { color: #9db1ff; }
.section-dark .muted { color: #a9adc0; }
.muted-light { color: #a9adc0; font-size: .9rem; }

/* ── cartes services ── */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.1rem; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.5rem 1.4rem; display: flex; flex-direction: column;
  transition: transform .15s ease, box-shadow .15s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: 0 18px 40px -28px rgba(18, 20, 29, .5); }
.card-icon { font-size: 1.5rem; width: 2.6rem; height: 2.6rem; display: grid; place-items: center; border-radius: 10px; background: var(--paper-2); margin-bottom: .9rem; }
.card p { color: var(--ink-2); font-size: .95rem; }
.card ul { margin: auto 0 0; padding-left: 1.1rem; color: var(--muted); font-size: .88rem; }
.card li + li { margin-top: .25rem; }

/* ── méthode ── */
.steps {
  list-style: none; padding: 0; margin: 0;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1.4rem;
  counter-reset: step;
}
.steps li { position: relative; padding-top: .5rem; }
.step-n { font-family: var(--serif); font-size: 2rem; color: var(--accent); opacity: .7; display: block; margin-bottom: .3rem; }
.steps p { color: var(--ink-2); font-size: .95rem; }

/* ── parcours ── */
.two-col { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(1.5rem, 5vw, 4rem); align-items: start; }
.two-col p { color: var(--ink-2); }
.expertise { list-style: none; padding: 0; margin: 0; display: grid; gap: .55rem; }
.expertise li {
  display: grid; grid-template-columns: 11rem 1fr; gap: .8rem; align-items: baseline;
  padding: .7rem .9rem; background: #fff; border: 1px solid var(--line); border-radius: 10px; font-size: .9rem;
}
.expertise li span { color: var(--muted); }

/* ── Easy Trip ── */
.shot { margin: 0; border-radius: var(--radius); overflow: hidden; border: 1px solid rgba(255,255,255,.12); background: var(--dark-2); }
.shot img { width: 100%; }
.shot figcaption { padding: .7rem 1rem; font-size: .82rem; color: #a9adc0; }
.shot-main { box-shadow: 0 40px 80px -40px rgba(0,0,0,.8); margin-bottom: 2.5rem; }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.2rem 2rem; margin-bottom: 2.8rem; }
.feature h3 { font-size: 1.05rem; }
.feature p { color: #a9adc0; font-size: .93rem; }
.gallery { display: grid; grid-template-columns: 1fr 1fr .5fr; gap: 1rem; align-items: start; margin-bottom: 2.2rem; }
.shot-mobile img { width: 100%; }
.cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; }

/* ── contact ── */
.contact { display: grid; grid-template-columns: 1.2fr .8fr; gap: clamp(1.5rem, 5vw, 4rem); align-items: center; }
.contact-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem; text-align: center; }
.contact-card .small { margin: .9rem 0 0; }

/* ── pied ── */
.foot {
  border-top: 1px solid var(--line); padding: 1.6rem clamp(1rem, 4vw, 2.5rem);
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; align-items: center;
  font-size: .85rem; color: var(--muted);
}
.foot nav { display: flex; gap: 1.2rem; }
.foot nav a { color: var(--muted); text-decoration: none; }
.foot nav a:hover { color: var(--accent); }

/* ── responsive ── */
@media (max-width: 860px) {
  .two-col, .contact { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr 1fr; }
  .shot-mobile { grid-column: 1 / -1; max-width: 300px; }
}
@media (max-width: 600px) {
  .top nav a:not(.btn) { display: none; }
  .gallery { grid-template-columns: 1fr; }
  .expertise li { grid-template-columns: 1fr; gap: .1rem; }
  .hero-actions .btn { width: 100%; text-align: center; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .card { transition: none; }
}