/* ============================================================
   Adventure Lab — Landing page
   Design direction: warm outdoor editorial
   ============================================================ */

/* ---------- Design tokens ---------- */
:root {
  /* Surfaces */
  --color-cream: #faf4e8;
  --color-cream-2: #f3e9d7;
  --color-surface: #fffdf8;
  --color-note: #fbf3df;

  /* Ink */
  --color-ink: #2a2b26;
  --color-ink-soft: #5c5d52;

  /* Brand */
  --color-green: #1f4a39;
  --color-green-deep: #143528;
  --color-green-soft: #2f6a51;
  --color-accent: #d96f2b;
  --color-accent-strong: #c65f22;
  --color-accent-soft: #f0a768;

  --color-line: #e5dabf;

  /* Typography */
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Nunito Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-hand: "Caveat", "Segoe Script", cursive;

  --text-sm: 0.9rem;
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.1rem);
  --text-lead: clamp(1.05rem, 0.98rem + 0.4vw, 1.2rem);
  --text-h3: clamp(1.15rem, 1.05rem + 0.5vw, 1.4rem);
  --text-h2: clamp(1.8rem, 1.3rem + 2.2vw, 2.9rem);
  --text-hero: clamp(2.3rem, 1.4rem + 4vw, 4.2rem);
  --text-hand: clamp(1.4rem, 1.1rem + 1.4vw, 2rem);

  /* Space & rhythm */
  --space-section: clamp(3.5rem, 2.5rem + 4vw, 7rem);
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 10px rgba(31, 42, 25, 0.08);
  --shadow-md: 0 14px 40px rgba(31, 42, 25, 0.14);
  --maxw: 1160px;

  /* Motion */
  --duration-fast: 150ms;
  --duration-normal: 320ms;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- Base ---------- */
* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 88px; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-ink);
  background: var(--color-cream);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  color: var(--color-green);
  line-height: 1.08;
  font-weight: 600;
  margin: 0 0 0.5em;
}

p { margin: 0 0 1rem; color: var(--color-ink-soft); }

a { color: inherit; }

img { display: block; max-width: 100%; height: auto; }

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

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: clamp(1rem, 0.5rem + 2vw, 2rem);
}

.hand {
  font-family: var(--font-hand);
  font-size: var(--text-hand);
  color: var(--color-green-soft);
  line-height: 1.15;
  font-weight: 600;
}

.eyebrow {
  font-family: var(--font-hand);
  font-size: 1.5rem;
  color: var(--color-accent);
  display: inline-block;
  margin-bottom: 0.2rem;
}
.eyebrow::after {
  content: "";
  display: block;
  width: 54px;
  height: 3px;
  margin-top: 0.35rem;
  background: var(--color-green-soft);
  border-radius: 3px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-green);
  color: #fff;
  padding: 0.6rem 1rem;
  z-index: 200;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- Buttons ---------- */
.btn {
  --btn-bg: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 1.02rem;
  color: #fff;
  background: var(--btn-bg);
  border: none;
  padding: 0.85rem 1.7rem;
  border-radius: 999px;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(217, 111, 43, 0.32);
  transition: transform var(--duration-fast) var(--ease-out-expo),
    box-shadow var(--duration-fast) var(--ease-out-expo),
    background-color var(--duration-fast) ease;
  will-change: transform;
}
.btn:hover {
  background: var(--color-accent-strong);
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(217, 111, 43, 0.4);
}
.btn:active { transform: translateY(0); }
.btn--lg { font-size: 1.15rem; padding: 1.05rem 2.2rem; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 244, 232, 0.86);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid rgba(229, 218, 191, 0.7);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding-block: 0.7rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  margin-right: auto;
}
.brand__mark { width: 42px; height: 42px; flex: none; }
.brand__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.35rem;
  color: var(--color-green);
  line-height: 1;
}
.brand__tag {
  display: block;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--color-ink-soft);
  margin-top: 2px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.6rem;
}
.nav a {
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-ink);
  position: relative;
  padding-block: 4px;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-normal) var(--ease-out-expo);
}
.nav a:hover::after,
.nav a:focus-visible::after { transform: scaleX(1); }

.nav-toggle {
  display: none;
  background: none;
  border: 2px solid var(--color-green);
  border-radius: 10px;
  width: 44px; height: 44px;
  cursor: pointer;
  color: var(--color-green);
}
.nav-toggle svg { margin: auto; }

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(120% 80% at 85% 10%, rgba(240, 167, 104, 0.18), transparent 60%),
    var(--color-cream);
  padding-block: clamp(2.5rem, 1.5rem + 4vw, 5rem) var(--space-section);
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(1.5rem, 1rem + 3vw, 3.5rem);
  align-items: center;
}
.hero h1 {
  font-size: var(--text-hero);
  font-weight: 600;
  letter-spacing: -0.01em;
}
.hero__lead { font-size: var(--text-lead); max-width: 46ch; }
.hero__cta { margin: 1.6rem 0 1.4rem; }
.hero__note {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  color: var(--color-green);
  font-size: 0.95rem;
}
.hero__note svg { flex: none; color: var(--color-green-soft); }

.hero__media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transform: rotate(1.2deg);
  border: 6px solid #fff;
}
.hero__media img {
  width: 100%;
  aspect-ratio: 449 / 320;
  object-fit: cover;
}

/* ---------- Section shells ---------- */
.section { padding-block: var(--space-section); }
.section--cream2 { background: var(--color-cream-2); }
.section--surface { background: var(--color-surface); }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.75rem, 1rem + 4vw, 4rem);
  align-items: center;
}
.section h2 { font-size: var(--text-h2); max-width: 18ch; }
.lead { font-size: var(--text-lead); }

/* ---------- Notre idée ---------- */
.idee__hand { margin-top: 1.2rem; }
.idee__media {
  position: relative;
  display: flex;
  justify-content: center;
}
.idee__media img {
  border-radius: 10px;
  box-shadow: var(--shadow-md);
  transform: rotate(-1.5deg);
  width: 100%;
  max-width: 460px;
  aspect-ratio: 310 / 275;
  object-fit: cover;
}

.rolecard {
  background: var(--color-note);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 1.4rem 1.6rem;
  box-shadow: var(--shadow-sm);
  max-width: 300px;
}
.rolecard__title {
  font-family: var(--font-hand);
  font-size: 1.6rem;
  color: var(--color-green);
  margin-bottom: 0.4rem;
}
.rolecard ul { list-style: none; margin: 0; padding: 0; }
.rolecard li {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.28rem 0;
  font-weight: 700;
  color: var(--color-ink);
}
.rolecard li span { font-size: 1.2rem; width: 1.5rem; text-align: center; }
.rolecard li.more {
  font-family: var(--font-hand);
  font-weight: 600;
  color: var(--color-accent);
  font-size: 1.25rem;
  padding-top: 0.5rem;
}

.idee__layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(1.5rem, 1rem + 3vw, 3rem);
  align-items: center;
}
.idee__side {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.4rem;
}

/* ---------- Comment ça marche ---------- */
.steps__head { text-align: center; margin-bottom: 3rem; }
.steps__head h2 { max-width: none; }
ol.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.2rem, 0.5rem + 2vw, 2.2rem);
  list-style: none;
  margin: 0;
  padding: 0;
}
.step { text-align: center; position: relative; }
.step__badge {
  width: 74px; height: 74px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--color-cream);
  border: 2px solid var(--color-line);
  font-size: 1.9rem;
  position: relative;
  box-shadow: var(--shadow-sm);
}
.step__num {
  position: absolute;
  top: -8px; left: -8px;
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--color-green);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  display: grid;
  place-items: center;
  font-size: 0.95rem;
}
.step h3 { font-size: var(--text-h3); margin-bottom: 0.4rem; }
.step p { font-size: 0.95rem; margin: 0; }
.step:not(:last-child) .step__badge::after {
  content: "";
  position: absolute;
  top: 50%; left: calc(100% + 6px);
  width: calc(100% - 40px);
  border-top: 2px dashed var(--color-accent-soft);
}

/* ---------- Pourquoi ---------- */
.why__media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.why__media img {
  width: 100%;
  aspect-ratio: 355 / 300;
  object-fit: cover;
}
.why__media .hand {
  position: absolute;
  left: 1rem; bottom: 1rem;
  color: #fff;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.6);
}
.why__quote {
  background: var(--color-note);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 0.9rem 1.1rem;
  font-family: var(--font-hand);
  font-size: 1.3rem;
  color: var(--color-green);
  transform: rotate(1.5deg);
  box-shadow: var(--shadow-sm);
  display: inline-block;
  margin-bottom: 1.2rem;
}
.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1.4rem;
  margin-top: 1.4rem;
  padding: 0;
  list-style: none;
}
.pills li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 800;
  color: var(--color-green);
}
.pills li span { font-size: 1.3rem; }

/* ---------- Pour les familles ---------- */
.fam__media {
  display: flex;
  justify-content: center;
}
.fam__media--left { justify-content: flex-start; margin-top: 1.5rem; }
.fam__media figure {
  margin: 0;
  background: #fff;
  padding: 12px 12px 40px;
  border-radius: 6px;
  box-shadow: var(--shadow-md);
  transform: rotate(-2deg);
  max-width: 330px;
}
.fam__media img {
  width: 100%;
  aspect-ratio: 210 / 227;
  object-fit: cover;
  border-radius: 3px;
}
.fam__media figcaption {
  font-family: var(--font-hand);
  font-size: 1.3rem;
  color: var(--color-ink);
  text-align: center;
  margin-top: 0.6rem;
}
.checkcard {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 1rem + 2vw, 2.4rem);
  box-shadow: var(--shadow-sm);
}
.checkcard h3 { font-size: var(--text-h3); margin-bottom: 1rem; }
.checklist { list-style: none; margin: 0; padding: 0; }
.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.5rem 0;
  font-weight: 600;
  color: var(--color-ink);
}
.checklist .check {
  flex: none;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--color-green-soft);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 0.85rem;
}

/* ---------- Formulaire ---------- */
.form-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(1.75rem, 1rem + 4vw, 4rem);
  align-items: start;
}
.form-intro h2 { max-width: 16ch; }
.form-intro .pills { margin-top: 1.6rem; }

.adv-form {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: clamp(1.4rem, 1rem + 2vw, 2.4rem);
  box-shadow: var(--shadow-md);
}
.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 1.2rem;
}
.field { margin: 0; display: flex; flex-direction: column; gap: 0.35rem; }
.field--full { grid-column: 1 / -1; }
.field--sm { max-width: 130px; }
.field label {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-green);
}
.field .opt { font-weight: 400; color: var(--color-ink-soft); font-size: 0.82rem; }

.adv-form input,
.adv-form select,
.adv-form textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-ink);
  background: var(--color-cream);
  border: 1.5px solid var(--color-line);
  border-radius: 10px;
  padding: 0.6rem 0.75rem;
  width: 100%;
  transition: border-color var(--duration-fast) ease,
    box-shadow var(--duration-fast) ease;
}
.adv-form textarea { resize: vertical; min-height: 3.2rem; }
.adv-form input:focus,
.adv-form select:focus,
.adv-form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(217, 111, 43, 0.18);
}
.adv-form input[aria-invalid="true"],
.adv-form select[aria-invalid="true"] { border-color: #c0392b; }

.field-error {
  color: #c0392b;
  font-size: 0.82rem;
  font-weight: 600;
  min-height: 1em;
}
.field-error:empty { display: none; }

.field--consent { margin-top: 1.2rem; }
.field--consent label {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-ink);
}
.field--consent input {
  width: auto;
  margin-top: 0.2rem;
  accent-color: var(--color-green-soft);
  flex: none;
}

/* honeypot : caché aux humains */
.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-actions {
  margin-top: 1.6rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}
.btn[aria-busy="true"] { opacity: 0.7; pointer-events: none; }
.form-status {
  margin: 0;
  font-weight: 700;
  font-size: 0.95rem;
}
.form-status.is-error { color: #c0392b; }
.form-status.is-success { color: var(--color-green-soft); }

/* ---------- Final CTA ---------- */
.final {
  position: relative;
  color: #fff;
  text-align: center;
  padding-block: clamp(4rem, 3rem + 6vw, 8rem);
  background-image: url("../assets/img/famille-coucher-de-soleil.jpg");
  background-image: image-set(
    url("../assets/img/famille-coucher-de-soleil.webp") type("image/webp"),
    url("../assets/img/famille-coucher-de-soleil.jpg") type("image/jpeg")
  );
  background-size: cover;
  background-position: center;
  isolation: isolate;
}
.final::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(
    180deg,
    rgba(20, 53, 40, 0.55) 0%,
    rgba(20, 53, 40, 0.78) 100%
  );
}
.final .brand__name,
.final h2 { color: #fff; }
.final__logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.4rem;
}
.final h2 { font-size: var(--text-h2); max-width: 20ch; margin-inline: auto; }
.final .btn { margin-block: 1.4rem 1.8rem; }
.final__items {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.8rem 2rem;
  list-style: none;
  padding: 0;
  margin: 0;
  font-weight: 700;
}
.final__items li { display: flex; align-items: center; gap: 0.5rem; }
.final__items span { font-size: 1.25rem; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-green-deep);
  color: rgba(255, 255, 255, 0.85);
  padding-block: 2.5rem;
}
.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
}
.site-footer .brand__name { color: #fff; }
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  margin-inline: auto;
  list-style: none;
  padding: 0;
}
.footer-nav a { text-decoration: none; font-weight: 700; font-size: 0.9rem; }
.footer-nav a:hover { color: #fff; }
.socials { display: flex; gap: 0.7rem; }
.socials a {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.25);
  display: grid;
  place-items: center;
  transition: background-color var(--duration-fast) ease;
}
.socials a:hover { background: rgba(255, 255, 255, 0.15); }
.footer-tag {
  font-size: 0.82rem;
  max-width: 22ch;
  line-height: 1.4;
  opacity: 0.8;
}

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out-expo),
    transform 0.7s var(--ease-out-expo);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .nav {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--color-cream);
    border-bottom: 1px solid var(--color-line);
    padding: 0.5rem 1.5rem 1.2rem;
    box-shadow: var(--shadow-md);
  }
  .nav.is-open { display: flex; }
  .nav a { padding-block: 0.7rem; width: 100%; }
  .header-cta { display: none; }
  .nav .header-cta { display: inline-flex; margin-top: 0.6rem; }
  .nav-toggle { display: grid; place-items: center; }

  .hero__grid,
  .split,
  .form-layout,
  .idee__layout { grid-template-columns: 1fr; }
  .hero__media { transform: none; max-width: 520px; }
  ol.steps { grid-template-columns: repeat(2, 1fr); row-gap: 2.2rem; }
  .step__badge::after { display: none !important; }
  .idee__side { flex-direction: column; }
}

@media (max-width: 560px) {
  .field-grid { grid-template-columns: 1fr; }
  .field--sm { max-width: none; }
}

@media (max-width: 480px) {
  ol.steps { grid-template-columns: 1fr; }
  .site-header .wrap { gap: 0.75rem; }
  .brand__tag { display: none; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .hero__media, .idee__media img, .fam__media figure, .why__quote { transform: none; }
}