/* Mise en page de techprog.fr. Les tokens (couleurs, rayons, polices, ombres) et les
   composants (.nav, .btn, .tag, .card, .field, .input, .washed) viennent d'organic.css. */

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-size: 17px;
  line-height: 1.6;
}
main { flex: 1; }
p { margin: 0; }
a { color: var(--color-accent-700); }
a:hover { color: var(--color-accent-600); }
[hidden] { display: none !important; }

/* Turquoise du point du logo, repris comme signe de ponctuation devant les kickers */
:root { --color-brand-dot: #a5c4c0; }

/* Les ancres s'arrêtent sous le header sticky */
[id] { scroll-margin-top: 84px; }

/* Lien d'évitement : visible seulement au focus clavier */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 20;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--color-neutral-900);
  color: var(--color-neutral-100);
  font-weight: 600;
}
.skip-link:focus { top: 12px; }

/* Contraste texte/fond du bouton principal (3,8:1 au lieu de 3:1 avec l'accent de base) */
.btn-primary { background: var(--color-accent-600); }
.btn-primary:hover { background: var(--color-accent-700); }
.btn-primary:active { background: var(--color-accent-800); }

.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding-inline: 32px;
}

/* Kicker : intitulé court au-dessus d'un titre de section */
.kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  font-size: 13px;
  line-height: 1.12;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-700);
}
.kicker::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-brand-dot);
}

.btn-lg { font-size: 17px; padding: 14px 26px; }

/* — En-tête — */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.site-header .nav { padding: 18px 32px; gap: 28px; }
.site-header .nav-brand { display: flex; align-items: center; }
.site-header .nav-brand img { height: 24px; width: auto; }
.site-header .nav-link { font-weight: 600; }
.site-header .nav .nav-cta { font-size: 15px; padding: 10px 20px; }

/* — Sections — */
.section-surface {
  background: var(--color-surface);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.section-head { display: flex; flex-direction: column; gap: 12px; }
.section-head h2 { font-size: 40px; margin: 0; text-wrap: pretty; }
.section-intro { color: var(--color-neutral-800); text-wrap: pretty; }

/* — Hero — */
.hero {
  padding-block: 80px 64px;
  display: grid;
  grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  gap: 40px 48px;
  align-items: end;
}
.hero-main {
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: flex-start;
}
.hero .tag { font-size: 13px; padding: 6px 14px; }
/* Repères factuels : ancienneté, applications en production, interlocuteur unique */
.hero-facts {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 28px 30px;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
}
.hero-facts > div { display: flex; flex-direction: column; gap: 4px; }
.hero-facts dt {
  font-family: var(--font-heading);
  font-size: 30px;
  line-height: 1;
  color: var(--color-accent-700);
}
.hero-facts dd { margin: 0; font-size: 15px; line-height: 1.45; color: var(--color-neutral-800); text-wrap: pretty; }
.hero h1 {
  font-size: clamp(38px, 4.4vw, 60px);
  line-height: 1.08;
  margin: 0;
  max-width: 20ch;
  text-wrap: pretty;
}
.hero .lead {
  font-size: 20px;
  line-height: 1.5;
  max-width: 52ch;
  color: var(--color-neutral-800);
  text-wrap: pretty;
}
.hero .actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }

/* — Ce que je fais — */
.services {
  padding-block: 72px 80px;
  display: flex;
  flex-direction: column;
  gap: 36px;
}
.services .section-head { max-width: 600px; }
.services-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.service {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.service-n {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-accent-200);
  color: var(--color-accent-800);
  display: grid;
  place-items: center;
  font-family: var(--font-heading);
  font-size: 17px;
}
.service h3 { font-size: 26px; margin: 6px 0 0; text-wrap: pretty; }
.service p,
.services-note { font-size: 16px; color: var(--color-neutral-800); text-wrap: pretty; }
.services-note { max-width: 64ch; }

/* — Applications — */
.apps {
  padding-block: 88px 72px;
  display: flex;
  flex-direction: column;
  gap: 36px;
}
.apps .section-head { max-width: 620px; }
.apps-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.app { padding: 0; gap: 0; overflow: hidden; }
/* Captures d'interface : filtre plus doux que .washed (pensé pour des photos), sinon
   les captures sombres deviennent illisibles */
.app-visual { aspect-ratio: 16 / 10; filter: saturate(0.75) contrast(0.93); }
.app-visual img { width: 100%; height: 100%; object-fit: cover; }
.app-body {
  padding: 28px 32px 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
}
.app-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.app-tags .tag { font-size: 12px; }
.app h3 { font-size: 28px; margin: 0; }
.app p { font-size: 16px; color: var(--color-neutral-800); text-wrap: pretty; }
.app-link { font-weight: 600; font-size: 15px; }

/* — Méthode — */
.method {
  padding-block: 72px;
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  gap: 56px;
}
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.step { display: flex; flex-direction: column; gap: 8px; }
.step-n { font-family: var(--font-heading); font-size: 15px; color: var(--color-accent-700); }
.step h4 { font-size: 21px; margin: 0; }
.step p { font-size: 15px; color: var(--color-neutral-800); text-wrap: pretty; }
.method-cta {
  grid-column: 2;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.method-cta span { font-size: 15px; color: var(--color-neutral-800); }

/* — Questions fréquentes — */
.faq {
  padding-block: 80px 16px;
  display: flex;
  flex-direction: column;
  gap: 36px;
}
.faq .section-head { max-width: 620px; }
.faq-list { display: flex; flex-direction: column; gap: 12px; max-width: 800px; }
.faq-item {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 28px;
  font-family: var(--font-heading);
  font-size: 20px;
  line-height: 1.25;
  border-radius: var(--radius-lg);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  flex: none;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--color-accent-200);
  color: var(--color-accent-800);
  font-size: 22px;
  line-height: 1;
}
.faq-item[open] summary::after { content: "–"; }
.faq-item summary:hover { color: var(--color-accent-700); }
.faq-item > p {
  padding: 0 28px 24px;
  font-size: 16px;
  color: var(--color-neutral-800);
  max-width: 64ch;
  text-wrap: pretty;
}

/* — Contact — */
.contact {
  padding-block: 88px 96px;
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 64px;
  align-items: start;
}
.contact-intro { display: flex; flex-direction: column; gap: 20px; align-items: flex-start; }
.contact-intro h1,
.contact-intro h2 { font-size: 40px; margin: 0; text-wrap: pretty; }
.contact-intro p { font-size: 17px; color: var(--color-neutral-800); max-width: 40ch; text-wrap: pretty; }
.contact-coords { display: flex; flex-direction: column; gap: 6px; font-size: 16px; margin-top: 8px; }
.contact-name { font-weight: 600; }
.contact-coords a { font-family: var(--font-heading); font-size: 20px; }
.contact-coords span { color: var(--color-neutral-800); }

.contact-form { padding: 36px; gap: 18px; }
.form-fields { display: flex; flex-direction: column; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form .field > label { font-size: 13px; }
.contact-form .input { font-size: 16px; min-height: 44px; }
.contact-form textarea.input { min-height: 150px; border-radius: 24px; }
.form-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.form-note { font-size: 13px; color: var(--color-neutral-700); }
/* Pot de miel anti-spam : hors écran, jamais rempli par un humain */
.form-hp {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
/* Visible via /contact/#erreur (sans JS) ou via contact.js */
.form-error { display: none; font-size: 15px; color: var(--color-accent-700); }
.form-error:target,
.form-error.is-visible { display: block; }
.form-success { padding: 24px; display: flex; flex-direction: column; gap: 8px; outline: none; }
.form-success h3 { font-size: 26px; margin: 0; }
.form-success p { color: var(--color-neutral-800); }

/* — Pages simples (mentions légales, merci, 404) — */
.legal {
  max-width: 760px;
  padding-block: 72px 96px;
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.legal-head { display: flex; flex-direction: column; gap: 12px; }
.legal h1 { font-size: clamp(34px, 4vw, 48px); line-height: 1.1; margin: 0; text-wrap: pretty; }
.legal-date { font-size: 15px; color: var(--color-neutral-700); font-style: italic; }
.legal section { display: flex; flex-direction: column; gap: 16px; }
.legal .legal-privacy { gap: 20px; }
.legal h2 { font-size: 30px; margin: 0; }
.legal h3 { font-size: 22px; margin: 8px 0 0; }
.legal p { text-wrap: pretty; }
.legal dl {
  margin: 0;
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 10px 24px;
  font-size: 16px;
}
.legal dt { font-family: var(--font-heading); color: var(--color-accent-700); }
.legal dd { margin: 0; }

.simple {
  max-width: 760px;
  padding-block: 96px 120px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: flex-start;
}
.simple h1 { font-size: clamp(34px, 4vw, 48px); line-height: 1.1; margin: 0; text-wrap: pretty; }
.simple p { color: var(--color-neutral-800); max-width: 52ch; text-wrap: pretty; }
.simple .actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }

/* — Pied de page — */
.site-footer {
  background: var(--color-neutral-900);
  color: var(--color-neutral-300);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.site-footer .container {
  padding-block: 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 14px;
}
.footer-brand { display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }
.footer-brand img { height: 22px; width: auto; }
.footer-brand span { color: var(--color-neutral-500); font-size: 13px; }
.footer-brand .footer-contact { color: var(--color-neutral-300); font-size: 14px; }
.footer-contact a { color: var(--color-neutral-100); }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-links a { color: inherit; }
.footer-links a:hover,
.footer-links .footer-legal { color: var(--color-neutral-100); }

/* — Écrans étroits — */
@media (max-width: 760px) {
  .container,
  .site-header .nav { padding-inline: 20px; }
  .site-header .nav-link { display: none; }
  .hero { padding-block: 56px 48px; grid-template-columns: 1fr; gap: 36px; }
  .hero-facts { padding: 24px; gap: 16px; }
  .hero-facts dt { font-size: 26px; }
  .section-head h2,
  .contact-intro h1,
  .contact-intro h2 { font-size: clamp(30px, 7vw, 40px); }
  .services { padding-block: 56px 64px; }
  .apps { padding-block: 64px 56px; }
  .method { padding-block: 56px; gap: 32px; }
  .method-cta { grid-column: auto; }
  .contact { padding-block: 64px 72px; gap: 40px; }
  .faq { padding-block: 56px 8px; }
  .faq-item summary { padding: 18px 20px; font-size: 18px; }
  .faq-item > p { padding: 0 20px 20px; }
  .services-grid,
  .apps-grid,
  .steps,
  .method,
  .contact,
  .form-row { grid-template-columns: 1fr; }
  .service { padding: 24px; }
  .app-body { padding: 24px 24px 28px; }
  .contact-form { padding: 24px; }
  .legal { padding-block: 48px 72px; }
  .legal dl { grid-template-columns: 1fr; gap: 2px 0; }
  .legal dd { margin-bottom: 8px; }
  .simple { padding-block: 64px 80px; }
  .site-footer .container { padding-block: 32px; }
}