/* Photon IQ — direction retenue le 24/09/2026 : mélange « Terrain » (maquette 2) et
   « Conversation » (maquette 5). Écran partagé nuit / photo avec l'échange élu / ingénieur
   en bulles, bandeau ambre, portrait et étapes, questions des collectivités, contact nuit.
   Polices : Space Grotesk (Florian Karsten, OFL) · Public Sans (USWDS, OFL) · League Spartan
   (The League of Moveable Type, OFL), servies depuis /assets/f/. */
@font-face { font-family: "Space Grotesk"; src: url("/assets/f/SpaceGrotesk.woff2") format("woff2"); font-weight: 300 700; font-display: swap; }
@font-face { font-family: "League Spartan"; src: url("/assets/f/LeagueSpartan.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Public Sans"; src: url("/assets/f/PublicSans-Regular.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Public Sans"; src: url("/assets/f/PublicSans-SemiBold.woff2") format("woff2"); font-weight: 600; font-display: swap; }

:root {
  --nuit: #12233F; --nuit-2: #0B1730; --soleil: #F59E0B; --soleil-texte: #9A5B00; --soleil-fond: #FFF3DC;
  --papier: #FFFFFF; --papier-2: #F4F6F9; --encre: #0F1A2E; --ardoise: #55607A;
  --filet: #DCE1EA; --vert: #1F7A45; --vert-fond: #E6F3EB; --gris-fond: #EEF0F5;
  --r-s: 6px; --r-m: 10px; --r-l: 16px; --r-xl: 24px;
  --g: clamp(1rem, 4vw, 4rem); --max: 76rem;
  --f-texte: "Public Sans", system-ui, sans-serif;
  --f-titre: "Space Grotesk", system-ui, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--f-texte); color: var(--encre); background: var(--papier); line-height: 1.6; -webkit-font-smoothing: antialiased; }
h1, h2, h3 { font-family: var(--f-titre); text-wrap: balance; line-height: 1.05; margin: 0; }
p { text-wrap: pretty; margin: 0; }
a { color: inherit; }
img { display: block; max-width: 100%; height: auto; }
:focus-visible { outline: 2px solid var(--soleil); outline-offset: 3px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { animation: none !important; transition: none !important; } }
.cadre { width: min(100% - 2 * var(--g), var(--max)); margin-inline: auto; }

/* Navigation */
.nav { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding-block: 1.4rem; }
.logo { font-family: var(--f-titre); font-weight: 700; font-size: 1.25rem; text-decoration: none; letter-spacing: -.01em; display: inline-flex; align-items: center; gap: .55rem; color: var(--nuit); }
.logo img { width: 1.75rem; height: 1.75rem; display: block; }
.nav ul { list-style: none; display: flex; gap: 2rem; font-size: .95rem; margin: 0; padding: 0; }
.nav ul a { text-decoration: none; }
.nav ul a:hover { text-decoration: underline; text-underline-offset: 4px; }
@media (max-width: 860px) { .nav ul { display: none; } }

/* Boutons */
.btn { display: inline-flex; align-items: center; gap: .6rem; font: 600 1rem/1 var(--f-texte); padding: 1rem 1.4rem;
  border-radius: var(--r-s); text-decoration: none; border: 2px solid transparent; cursor: pointer; }
.btn-soleil { background: var(--soleil); color: var(--encre); }
.btn-soleil:hover { background: var(--encre); color: var(--papier); }
.btn-soleil:disabled { opacity: .6; cursor: default; }
.btn-ligne { border-color: currentColor; background: transparent; color: inherit; }
.btn-petit { padding: .7rem 1rem; font-size: .9rem; }

/* Hero : écran partagé nuit / photo, bulles sur la photo */
.hero { display: grid; min-height: min(92vh, 52rem); }
@media (min-width: 980px) { .hero { grid-template-columns: 1fr 1fr; } }
.hero-texte { background: var(--nuit); color: var(--papier); padding: 0 var(--g) 4rem; display: flex; flex-direction: column; }
.hero-texte .nav { color: var(--papier); }
.hero-texte .logo { color: var(--papier); }
.hero-texte .contenu { margin-block: auto; max-width: 36rem; padding-top: 2rem; }
.hero h1 { font-size: clamp(2.4rem, 1.3rem + 3.6vw, 4.2rem); font-weight: 700; letter-spacing: -.035em; }
.hero h1 em { font-style: normal; color: var(--soleil); }
.chapo { font-size: 1.12rem; opacity: .86; margin-top: 1.4rem; }
.actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; align-items: center; }
.actions .btn-ligne { color: var(--papier); }
.actions small { opacity: .75; }
.hero-photo { position: relative; min-height: 26rem; }
.hero-photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 35%; }
.bulles { position: absolute; inset: auto 1rem 1rem 1rem; display: grid; gap: .5rem; max-width: 34rem; }
@media (min-width: 980px) { .bulles { inset: auto 2rem 2rem 2rem; } }
.bulle { max-width: 78%; padding: .55rem .85rem; border-radius: var(--r-l); font-size: .92rem; line-height: 1.4; }
.bulle small { display: block; font-size: .72rem; opacity: .75; margin-bottom: .15rem; }
.bulle.p { background: var(--nuit); color: var(--papier); border-bottom-left-radius: 4px; }
.bulle.c { background: var(--papier); color: var(--encre); justify-self: end; border-bottom-right-radius: 4px; }
.bulle.ok { background: var(--soleil); color: var(--encre); justify-self: center; font-weight: 600; border-radius: 999px; }

/* Bandeau ambre */
.chiffres { background: var(--soleil); color: var(--encre); }
.chiffres ul { list-style: none; display: grid; gap: 1rem; padding: 1.6rem 0; margin: 0 auto; }
@media (min-width: 860px) { .chiffres ul { grid-template-columns: repeat(4, 1fr); } }
.chiffres li { font-weight: 600; font-size: .98rem; text-align: center; text-wrap: balance; }
.chiffres li b { display: block; font: 700 1.3rem/1.2 var(--f-titre); }

/* Sections */
.section { padding-block: 5.5rem; }
.section h2 { font-size: clamp(2rem, 1.3rem + 2.2vw, 3rem); letter-spacing: -.02em; color: var(--nuit); max-width: 20ch; }
.duo { display: grid; gap: 3rem; align-items: center; margin-top: 2.5rem; }
@media (min-width: 900px) { .duo { grid-template-columns: .8fr 1.2fr; } }
.portrait { border-radius: var(--r-l); overflow: hidden; aspect-ratio: 4 / 5; }
.portrait img { width: 100%; height: 100%; object-fit: cover; object-position: center 40%; }
.etapes { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.4rem; }
.etapes li { display: grid; grid-template-columns: 3rem 1fr; gap: 1rem; padding-bottom: 1.4rem; border-bottom: 1px solid var(--filet); }
.etapes li b { font: 700 1.6rem/1 var(--f-titre); color: var(--soleil-texte); }
.etapes h3 { font-size: 1.2rem; color: var(--nuit); }
.etapes p { color: var(--ardoise); margin-top: .3rem; }

/* Questions des collectivités */
.faq { background: var(--papier-2); }
.faq .cadre { display: grid; gap: 2rem; }
@media (min-width: 900px) { .faq .cadre { grid-template-columns: .8fr 1.2fr; } }
.faq details { background: var(--papier); border-radius: var(--r-m); padding: 1.1rem 1.3rem; }
.faq details + details { margin-top: .7rem; }
.faq summary { font-weight: 600; cursor: pointer; color: var(--nuit); }
.faq details p { color: var(--ardoise); margin-top: .6rem; }

/* Contact nuit */
.contact { background: var(--nuit); color: var(--papier); }
.contact .cadre { display: grid; gap: 2rem; }
@media (min-width: 900px) { .contact .cadre { grid-template-columns: .9fr 1.1fr; } }
.contact h2 { color: var(--papier); }
.contact p { opacity: .85; margin-top: .7rem; }
.form { display: grid; gap: .9rem; grid-template-columns: 1fr 1fr; }
.form label { display: grid; gap: .35rem; font-size: .85rem; font-weight: 600; color: var(--papier); }
.form input, .form textarea { font: inherit; font-weight: 400; padding: .8rem .9rem; border: 0; border-radius: var(--r-s); background: var(--papier); color: var(--encre); width: 100%; }
.form .large { grid-column: 1 / -1; }
.form .envoi { margin-top: 0; align-self: end; }
.form .envoi .btn { width: 100%; min-height: calc(1em + 1.6rem + 2px); }
.form .envoi .statut { flex: 1 1 100%; min-height: 0; }
.form .piege { position: absolute; left: -9999px; }
.form .mention { font-size: .8rem; opacity: .75; }
.statut { font-size: .95rem; min-height: 1.5rem; }
.statut.ok { color: var(--soleil); font-weight: 600; }
.statut.ko { color: var(--soleil-fond); }
@media (max-width: 640px) { .form { grid-template-columns: 1fr; } }

/* Pied */
.pied { font-size: .85rem; padding-block: 2rem; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; border-top: 1px solid var(--filet); color: var(--ardoise); }
.pied nav { display: flex; flex-wrap: wrap; gap: 1.2rem; }
.pied a { color: inherit; }

/* Pages intérieures (légal, grille) : en-tête blanc */
.entete { border-bottom: 1px solid var(--filet); }