/* mehmettuzcu.fr — feuille de style
   Palette sobre, professionnelle, accessible. */

:root {
  --accent: #1f5673;
  --accent-dark: #163f54;
  --accent-soft: #e8eef2;
  --bg: #ffffff;
  --bg-alt: #f7f9fa;
  --ink: #1c2126;
  --gray: #3d4753;
  --line: #d8dee3;
  --maxw: 1120px;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(22, 63, 84, .06), 0 8px 24px rgba(22, 63, 84, .06);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 76px;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; }

a { color: var(--accent); }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 10px 16px;
  z-index: 1000;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -.01em;
  color: var(--ink);
  text-decoration: none;
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.brand .brand-role {
  font-weight: 400;
  font-size: .82rem;
  color: var(--gray);
}
.nav-links {
  display: flex;
  gap: 26px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  text-decoration: none;
  color: var(--gray);
  font-size: .92rem;
  font-weight: 500;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: color .15s, border-color .15s;
}
.nav-links a:hover,
.nav-links a:focus { color: var(--accent); border-bottom-color: var(--accent); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  cursor: pointer;
  color: var(--ink);
}

/* ---------- Sections ---------- */
section { padding: 72px 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .74rem;
  font-weight: 700;
  color: var(--accent);
  margin: 0 0 12px;
}
h1, h2, h3 { letter-spacing: -.02em; line-height: 1.2; }
h2 { font-size: 1.9rem; margin: 0 0 18px; }
.section-intro {
  font-size: 1.06rem;
  color: var(--gray);
  margin: 0 0 40px;
}

/* ---------- Hero ---------- */
.hero {
  padding: 96px 0 84px;
  background:
    radial-gradient(1200px 400px at 75% -10%, var(--accent-soft) 0%, transparent 60%),
    var(--bg);
}
.hero-tag {
  display: inline-block;
  font-size: .82rem;
  font-weight: 600;
  color: var(--accent-dark);
  background: var(--accent-soft);
  border: 1px solid #cddbe4;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 22px;
}
.hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.1rem);
  margin: 0 0 10px;
}
.hero h1 .accent { color: var(--accent); }
.hero .lede {
  font-size: 1.18rem;
  color: var(--gray);
  max-width: 720px;
  margin: 18px 0 32px;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; }

/* Trust strip */
.trust {
  margin-top: 52px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px 40px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.trust div { min-width: 120px; }
.trust .num { font-size: 1.5rem; font-weight: 700; color: var(--accent); display: block; }
.trust .lbl { font-size: .82rem; color: var(--gray); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  text-decoration: none;
  font-weight: 600;
  font-size: .95rem;
  padding: 13px 24px;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .15s, transform .05s, box-shadow .15s;
}
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 2px 8px rgba(22, 63, 84, .18); }
.btn-primary:hover { background: var(--accent-dark); box-shadow: 0 4px 14px rgba(22, 63, 84, .26); }
.btn-secondary { background: #fff; color: var(--accent); border-color: var(--line); }
.btn-secondary:hover { border-color: var(--accent); }
.btn:active { transform: translateY(1px); }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 44px; }
.about-grid p { margin: 0; font-size: 1.04rem; }
.about-grid p:first-of-type { font-size: 1.12rem; }

/* ---------- Pillars ---------- */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  align-items: stretch;
}
.pillar {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  height: 100%;
}
.pillar .pic {
  width: 42px; height: 42px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-soft);
  border-radius: 10px;
  margin-bottom: 16px;
  color: var(--accent);
}
.pillar h3 { font-size: 1.12rem; margin: 0 0 10px; }
.pillar p { margin: 0; color: var(--gray); font-size: .96rem; }

.principle {
  margin-top: 26px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius);
  padding: 30px 32px;
}
.principle h3 { margin: 0 0 8px; color: #fff; font-size: 1.18rem; }
.principle p { margin: 0; color: #e3edf2; }

/* ---------- Projects ---------- */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; align-items: stretch; }
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.card .tag {
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--accent);
  margin-bottom: 10px;
}
.card h3 { font-size: 1.16rem; margin: 0 0 6px; }
.card .sub { font-weight: 600; color: var(--ink); margin: 0 0 12px; font-size: .98rem; }
.card p { margin: 0 0 12px; color: var(--gray); font-size: .95rem; }
.card .meta {
  font-size: .82rem;
  color: var(--gray);
  font-style: italic;
  border-left: 3px solid var(--accent-soft);
  padding-left: 12px;
  margin: 4px 0 14px;
}
.card .card-link {
  margin-top: auto;
  font-weight: 600;
  font-size: .9rem;
  text-decoration: none;
}
.card .card-link:hover { text-decoration: underline; }

/* ---------- Method ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.step {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 22px;
  position: relative;
  height: 100%;
}
.step .n {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
  font-size: .95rem;
}
.step h3 { font-size: 1.04rem; margin: 0 0 8px; }
.step p { margin: 0; color: var(--gray); font-size: .92rem; }
.method-note {
  margin-top: 26px;
  font-size: 1.02rem;
  color: var(--ink);
  background: var(--accent-soft);
  border-left: 4px solid var(--accent);
  padding: 18px 22px;
  border-radius: 0 8px 8px 0;
}

/* ---------- Proofs ---------- */
.proof-groups { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; align-items: stretch; }
.proof {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 24px;
  height: 100%;
}
.proof h3 {
  font-size: .82rem; text-transform: uppercase; letter-spacing: .08em;
  color: var(--accent); margin: 0 0 14px;
}
.proof ul { margin: 0; padding-left: 18px; }
.proof li { margin-bottom: 8px; color: var(--gray); font-size: .95rem; }
.proof li strong { color: var(--ink); }
.proof-disclaimer {
  grid-column: 1 / -1;
  font-size: .9rem;
  color: var(--gray);
  text-align: center;
  font-style: italic;
}

/* ---------- Audience ---------- */
.audience { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; align-items: stretch; }
.aud {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 22px;
  background: #fff;
  height: 100%;
}
.aud h3 { font-size: 1.05rem; margin: 0 0 8px; color: var(--accent-dark); }
.aud p { margin: 0; color: var(--gray); font-size: .95rem; }

/* ---------- Assistant ---------- */
.assistant-wrap { max-width: 880px; margin: 0 auto; }
.assistant-frame {
  width: 100%;
  height: 560px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  background: #fff;
  overflow: hidden;
}
.assistant-fallback {
  text-align: center;
  margin-top: 18px;
  font-size: .92rem;
  color: var(--gray);
}

/* ---------- Contact ---------- */
.contact-card {
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius);
  padding: 44px 40px;
}
.contact-card h2 { color: #fff; }
.contact-card p { color: #e3edf2; font-size: 1.06rem; max-width: 720px; }
.contact-list { list-style: none; margin: 22px 0 26px; padding: 0; }
.contact-list li { margin-bottom: 10px; font-size: 1.02rem; }
.contact-list a { color: #fff; font-weight: 600; }
.contact-list .k { color: #bcd2de; display: inline-block; min-width: 220px; font-weight: 400; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 36px 0;
  font-size: .88rem;
  color: var(--gray);
}
.footer-row { display: flex; flex-wrap: wrap; gap: 14px 28px; justify-content: space-between; align-items: center; }
.footer-row a { color: var(--gray); text-decoration: none; }
.footer-row a:hover { color: var(--accent); }

/* ---------- Paragraphes justifiés (prose large uniquement ; cartes étroites = à gauche) ---------- */
.hero .lede,
.section-intro,
.about-grid p,
.principle p,
.method-note,
.contact-card p {
  text-align: justify;
  -webkit-hyphens: none;
  hyphens: none;
}
/* Cartes étroites : alignées à gauche, pas de coupure de mots (TypeScript, PostgreSQL…) */
.pillar p, .card p, .step p, .aud p {
  text-align: justify;
  -webkit-hyphens: none;
  hyphens: none;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .pillars, .steps { grid-template-columns: 1fr 1fr; }
  .cards, .proof-groups, .audience, .about-grid { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  section { padding: 56px 0; }
  .hero { padding: 72px 0 60px; }
  h2 { font-size: 1.6rem; }
  .pillars, .steps { grid-template-columns: 1fr; }
  .nav-links {
    display: none;
    position: absolute;
    top: 64px; left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 8px 24px 16px;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 12px 0; border-bottom: 1px solid var(--bg-alt); }
  .nav-toggle { display: inline-flex; }
  .contact-list .k { min-width: auto; display: block; }
  .contact-card { padding: 32px 24px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* ---------- Pages légales ---------- */
.legal-page {
  max-width: 800px;
  margin: 0 auto;
  padding: 56px 0 80px;
}
.legal-page .legal-lead {
  font-size: 1.06rem;
  color: var(--gray);
  margin: 0 0 8px;
}
.legal-page .legal-updated {
  font-size: .86rem;
  color: var(--gray);
  margin: 0 0 40px;
}
.legal-page h1 {
  font-size: 2rem;
  color: var(--ink);
  margin: 0 0 10px;
}
.legal-page h2 {
  font-size: 1.3rem;
  color: var(--accent);
  margin: 40px 0 14px;
  padding-top: 4px;
}
.legal-page h3 {
  font-size: 1.02rem;
  color: var(--ink);
  margin: 22px 0 8px;
}
.legal-page p,
.legal-page li { color: var(--ink); }
.legal-page ul { padding-left: 22px; }
.legal-page li { margin-bottom: 6px; }
.legal-page .legal-table {
  width: 100%;
  border-collapse: collapse;
  margin: 8px 0 4px;
  font-size: .96rem;
}
.legal-page .legal-table th,
.legal-page .legal-table td {
  text-align: left;
  vertical-align: top;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
}
.legal-page .legal-table th {
  width: 38%;
  color: var(--gray);
  font-weight: 600;
}
.legal-page .legal-note {
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin: 18px 0;
  font-size: .95rem;
  color: var(--gray);
}
.legal-page .back-home {
  display: inline-block;
  margin-top: 48px;
  font-weight: 500;
  text-decoration: none;
  color: var(--accent);
}
.legal-page .back-home:hover { color: var(--accent-dark); }