/* ==========================================================
   SABAUR PARTNER - site vitrine
   Palette derivee du logo (cyan #1FA3DC). Deux themes.
   ========================================================== */

:root {
  --bg: #F4F8FA;
  --surface: #FFFFFF;
  --ink: #152530;
  --ink-2: #4E626E;
  --line: #D5E0E7;
  --accent: #1FA3DC;
  --accent-ink: #0B6E9A;
  --accent-soft: #E3F3FA;
  --amber: #D9912B;
  --navy: #0F2A3C;
  --navy-ink: #E9F1F6;
  --navy-muted: #9CB5C4;
  --navy-line: #24425A;
  --shadow: 0 12px 32px rgba(15, 42, 60, 0.10);

  --font-display: "Sora", "Segoe UI", system-ui, sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", Consolas, "Courier New", monospace;

  --measure: 62ch;
  --gutter: clamp(16px, 5vw, 48px);
  --radius: 6px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0E181F;
    --surface: #15232C;
    --ink: #E6EEF2;
    --ink-2: #A3B5BF;
    --line: #253742;
    --accent: #3BB5E8;
    --accent-ink: #7BD0F2;
    --accent-soft: #14303D;
    --amber: #E8AA4C;
    --navy: #0A1B26;
    --navy-ink: #E9F1F6;
    --navy-muted: #8FA9B9;
    --navy-line: #1F3A4E;
    --shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
  }
}
:root[data-theme="dark"] {
  --bg: #0E181F;
  --surface: #15232C;
  --ink: #E6EEF2;
  --ink-2: #A3B5BF;
  --line: #253742;
  --accent: #3BB5E8;
  --accent-ink: #7BD0F2;
  --accent-soft: #14303D;
  --amber: #E8AA4C;
  --navy: #0A1B26;
  --navy-ink: #E9F1F6;
  --navy-muted: #8FA9B9;
  --navy-line: #1F3A4E;
  --shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-ink); }
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}
h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.15;
  margin: 0;
  text-wrap: balance;
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2rem, 4.6vw, 3.4rem); font-weight: 600; }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); font-weight: 600; }
h3 { font-size: 1.2rem; font-weight: 600; }
p { margin: 0; max-width: var(--measure); }
p + p { margin-top: 1em; }
ul { margin: 0; padding: 0; list-style: none; }

.wrap {
  width: 100%;
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.eyebrow {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-ink);
  margin-bottom: 0.9rem;
}
.lead { font-size: 1.15rem; color: var(--ink-2); }
section { padding-block: clamp(3.5rem, 8vw, 6.5rem); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding: 0.85em 1.4em;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease;
}
.btn-primary { background: var(--accent); color: #FFFFFF; }
.btn-primary:hover { transform: translateY(-1px); background: var(--accent-ink); }
.btn-ghost { color: var(--ink); border: 1.5px solid var(--line); background: transparent; }
.btn-ghost:hover { border-color: var(--accent); }

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 0.7rem;
}
.brand img { width: 128px; border-radius: 4px; }
.nav { display: flex; gap: 1.6rem; flex-wrap: wrap; }
.nav a {
  color: var(--ink-2);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}
.nav a:hover { color: var(--accent-ink); }
.nav .nav-cta {
  color: var(--accent-ink);
  font-weight: 600;
}
@media (max-width: 720px) {
  .nav a:not(.nav-cta) { display: none; }
}

/* ---------- hero ---------- */
.hero { padding-block: clamp(3rem, 7vw, 6rem); }
.hero .wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.hero h1 { margin-bottom: 1.2rem; }
.hero h1 em { font-style: normal; color: var(--accent-ink); }
.hero .lead { margin-bottom: 1.8rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-bottom: 2rem; }
.platforms { display: flex; flex-wrap: wrap; gap: 0.5rem 1.4rem; color: var(--ink-2); font-size: 0.95rem; }
.platforms li { display: flex; align-items: center; gap: 0.5em; }
.platforms li::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
}
.hero-figure { margin: 0; }
.hero-figure svg { width: 100%; height: auto; display: block; }
.hero-figure figcaption {
  font-size: 0.85rem;
  color: var(--ink-2);
  margin-top: 0.8rem;
  max-width: 40ch;
}
@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-figure { max-width: 520px; }
}

/* ---------- constat (bande sombre) ---------- */
.constat {
  background: var(--navy);
  color: var(--navy-ink);
}
.constat .wrap {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}
.constat .eyebrow { color: var(--accent); }
.constat h2 { color: var(--navy-ink); margin-bottom: 1rem; }
.constat p { color: var(--navy-muted); }
.stat {
  border-left: 4px solid var(--amber);
  padding-left: 1.4rem;
  margin-top: 2rem;
}
.stat-figure {
  font-family: var(--font-mono);
  font-size: clamp(3.4rem, 8vw, 5.6rem);
  font-weight: 500;
  line-height: 1;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
}
.stat-figure small {
  font-size: 0.4em;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--navy-ink);
  margin-left: 0.2em;
}
.stat-label { color: var(--navy-ink); margin-top: 0.6rem; max-width: 34ch; }
.stat-source { font-size: 0.8rem; color: var(--navy-muted); margin-top: 0.6rem; }
.stat-source a { color: var(--navy-muted); }

.effets { display: grid; gap: 1.6rem; }
.effets li {
  padding-top: 1.4rem;
  border-top: 1px solid var(--navy-line);
}
.effets h3 { color: var(--navy-ink); margin-bottom: 0.4rem; }
@media (max-width: 860px) {
  .constat .wrap { grid-template-columns: 1fr; }
}

/* ---------- avantages ---------- */
.avantages .intro { margin-bottom: 3rem; }
.avantages h2 { margin-bottom: 1rem; }
.gains {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2.5rem 3rem;
}
.gains li { display: grid; grid-template-columns: 44px 1fr; gap: 1rem; align-items: start; }
.gains .ico {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-ink);
  display: grid; place-items: center;
}
.gains .ico svg { width: 22px; height: 22px; }
.gains h3 { margin-bottom: 0.35rem; }
.gains p { color: var(--ink-2); font-size: 0.98rem; }
.tagline {
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  font-weight: 500;
  color: var(--ink);
  max-width: 30ch;
  text-wrap: balance;
}
@media (max-width: 720px) {
  .gains { grid-template-columns: 1fr; }
}

/* ---------- offre (bureau / web / mobile) ---------- */
.offre { background: var(--surface); border-block: 1px solid var(--line); }
.offre h2 { margin-bottom: 1rem; }
.offre .intro { margin-bottom: 3rem; }
.plateformes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.plateformes li {
  padding: 1.8rem 1.6rem;
  border-right: 1px solid var(--line);
  background: var(--bg);
}
.plateformes li:last-child { border-right: 0; }
.plateformes .ico {
  color: var(--accent-ink);
  margin-bottom: 1rem;
}
.plateformes .ico svg { width: 30px; height: 30px; }
.plateformes h3 { margin-bottom: 0.5rem; }
.plateformes p { color: var(--ink-2); font-size: 0.98rem; }
.plateformes .ex {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--line);
  font-size: 0.88rem;
  color: var(--ink-2);
}
.plateformes .ex strong { color: var(--ink); font-weight: 600; }
@media (max-width: 860px) {
  .plateformes { grid-template-columns: 1fr; }
  .plateformes li { border-right: 0; border-bottom: 1px solid var(--line); }
  .plateformes li:last-child { border-bottom: 0; }
}

/* ---------- methode (sequence reelle, donc numerotee) ---------- */
.methode h2 { margin-bottom: 1rem; }
.methode .intro { margin-bottom: 3rem; }
.etapes {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1.5rem;
  counter-reset: etape;
}
.etapes li {
  counter-increment: etape;
  position: relative;
  padding-top: 1.2rem;
  border-top: 2px solid var(--line);
}
.etapes li::before {
  content: counter(etape, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-ink);
  display: block;
  margin-bottom: 0.5rem;
}
.etapes li:first-child { border-top-color: var(--accent); }
.etapes h3 { font-size: 1.05rem; margin-bottom: 0.4rem; }
.etapes p { font-size: 0.93rem; color: var(--ink-2); }
@media (max-width: 960px) {
  .etapes { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
  .etapes { grid-template-columns: 1fr; }
}

/* ---------- partenariat ---------- */
.partenariat { background: var(--surface); border-block: 1px solid var(--line); }
.partenariat .wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}
.partenariat h2 { margin-bottom: 1.2rem; }
.partenariat blockquote {
  margin: 0;
  padding: 2rem;
  background: var(--navy);
  color: var(--navy-ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.partenariat blockquote p {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  font-weight: 500;
  line-height: 1.4;
  color: var(--navy-ink);
}
.partenariat blockquote footer {
  margin-top: 1.4rem;
  font-size: 0.9rem;
  color: var(--navy-muted);
}
.engagements { display: grid; gap: 1.2rem; margin-top: 1.8rem; }
.engagements li { display: grid; grid-template-columns: 26px 1fr; gap: 0.8rem; align-items: start; }
.engagements svg { width: 22px; height: 22px; color: var(--accent-ink); margin-top: 3px; }
.engagements strong { display: block; font-weight: 600; }
.engagements span { color: var(--ink-2); font-size: 0.96rem; }
@media (max-width: 860px) {
  .partenariat .wrap { grid-template-columns: 1fr; }
}

/* ---------- contact ---------- */
.contact .wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}
.contact h2 { margin-bottom: 1rem; }
.contact .lead { margin-bottom: 1.8rem; }
.coordonnees {
  padding: 1.8rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.coordonnees dl { margin: 0; display: grid; gap: 1.1rem; }
.coordonnees dt {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-2);
  margin-bottom: 0.2rem;
}
.coordonnees dd { margin: 0; }
.coordonnees dd a { font-weight: 500; }
.coordonnees address { font-style: normal; }
@media (max-width: 860px) {
  .contact .wrap { grid-template-columns: 1fr; }
}

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding-block: 1.6rem;
  font-size: 0.85rem;
  color: var(--ink-2);
}
.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.6rem 1.5rem;
}
.site-footer a { color: var(--ink-2); }

/* ---------- illustration hero (SVG) ---------- */
.fig-box { fill: var(--surface); stroke: var(--line); stroke-width: 1.5; }
.fig-box-label { font-family: var(--font-body); font-size: 12px; fill: var(--ink-2); }
.fig-link { stroke: var(--line); stroke-width: 1.5; fill: none; stroke-dasharray: 4 4; }
.fig-target { fill: var(--accent); }
.fig-target-label { font-family: var(--font-display); font-size: 13px; font-weight: 600; fill: #FFFFFF; }
.fig-target-sub { font-family: var(--font-body); font-size: 11px; fill: #FFFFFF; opacity: 0.85; }
.fig-flow { stroke: var(--accent); stroke-width: 2; fill: none; }
.fig-dot { fill: var(--accent); }
@media (prefers-reduced-motion: no-preference) {
  .fig-flow {
    stroke-dasharray: 6 6;
    animation: flow 1.6s linear infinite;
  }
  @keyframes flow { to { stroke-dashoffset: -24; } }
}