/* ============================================================
   Saper Vedere - Pages internes - CSS partagée
   Cohérence avec homepage-variations/02-bento-grid.html
   ============================================================ */

* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --sv-celestial: #47A1DA;
  --sv-marian: #3769B1;
  --sv-aero: #49C1EE;
  --sv-verdigris: #6DC2B8;
  --sv-orange: #FBB03C;
  --sv-coral: #FF6481;
  --sv-gunmetal: #1C2732;
  --sv-charcoal: #2C3D4E;
  --sv-mist: #F4F6F8;
  --sv-ink: #0F1A24;
  --sv-rule: rgba(15, 26, 36, 0.08);

  --grad-see: linear-gradient(135deg, #47A1DA 0%, #3769B1 100%);
  --grad-know: linear-gradient(135deg, #6DC2B8 0%, #49C1EE 100%);
  --grad-impact: linear-gradient(135deg, #FBB03C 0%, #FF6481 100%);

  --shadow-1: 0 1px 2px rgba(15,26,36,.05);
  --shadow-2: 0 6px 20px rgba(15,26,36,.08);
  --shadow-3: 0 20px 50px rgba(15,26,36,.14);
}

html { scroll-behavior: smooth; }
body {
  font-family: 'Lato', 'Avenir Next', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--sv-ink);
  background: #fff;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1,h2,h3,h4 {
  font-family: 'Avenir Next', 'Lato', sans-serif;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--sv-gunmetal);
}

h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.6rem); }
h4 { font-size: 1.1rem; font-weight: 700; }

p { color: var(--sv-charcoal); font-size: 1.05rem; }
a { color: var(--sv-celestial); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ----------------- Header ------------------ */
.sv-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--sv-rule);
}
.sv-header__inner {
  max-width: 1440px; margin: 0 auto;
  padding: 14px 32px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.sv-logo { display: flex; align-items: center; gap: 10px; }
.sv-logo img { height: 44px; width: auto; display: block; }

.sv-nav { display: flex; gap: 28px; align-items: center; }
.sv-nav a {
  color: var(--sv-gunmetal); font-weight: 600; font-size: 0.93rem;
  padding: 8px 0; position: relative;
}
.sv-nav a:hover { color: var(--sv-celestial); text-decoration: none; }
.sv-nav a.active::after {
  content:''; position:absolute; left:0; right:0; bottom:-2px; height:2px;
  background: var(--grad-see); border-radius: 2px;
}

.sv-header__actions { display: flex; gap: 10px; align-items: center; }
.sv-lang { display: flex; gap: 8px; font-size: 0.85rem; font-weight: 600; }
.sv-lang a { color: var(--sv-charcoal); }
.sv-lang a.active { color: var(--sv-celestial); }

.sv-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px; border-radius: 999px;
  font-weight: 700; font-size: 0.9rem; letter-spacing: 0.01em;
  transition: all .3s; border: 1.5px solid transparent;
  cursor: pointer;
}
.sv-btn--primary { background: var(--sv-gunmetal); color:#fff; }
.sv-btn--primary:hover { background: var(--sv-celestial); text-decoration:none; }
.sv-btn--ghost { background: transparent; color: var(--sv-gunmetal); border-color: var(--sv-rule); }
.sv-btn--ghost:hover { border-color: var(--sv-celestial); color: var(--sv-celestial); text-decoration:none; }
.sv-btn--light { background: #fff; color: var(--sv-gunmetal); border-color: var(--sv-rule); }
.sv-btn--light:hover { background: var(--sv-gunmetal); color: #fff; text-decoration:none; }

/* ----------------- Breadcrumb ------------------ */
.sv-breadcrumb {
  max-width: 1440px; margin: 0 auto;
  padding: 20px 32px 0;
  font-size: 0.85rem; color: var(--sv-charcoal);
}
.sv-breadcrumb a { color: var(--sv-charcoal); }
.sv-breadcrumb a:hover { color: var(--sv-celestial); }
.sv-breadcrumb span.sep { margin: 0 8px; opacity: 0.5; }
.sv-breadcrumb span.current { color: var(--sv-gunmetal); font-weight: 600; }

/* ----------------- Hero ------------------ */
.sv-hero {
  max-width: 1440px; margin: 0 auto;
  padding: 56px 32px 48px;
  display: grid; grid-template-columns: 1fr auto; gap: 60px;
  align-items: end; border-bottom: 1px solid var(--sv-rule);
}
.sv-hero__eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 14px; border-radius: 999px;
  background: var(--grad-see); color: #fff;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  margin-bottom: 18px;
}
.sv-hero h1 { margin-bottom: 20px; }
.sv-hero__intro {
  font-size: clamp(1.05rem, 1.4vw, 1.3rem);
  color: var(--sv-charcoal); max-width: 760px; line-height: 1.55;
}
.sv-hero__stats {
  display: flex; flex-direction: column; gap: 18px;
  border-left: 1px solid var(--sv-rule); padding-left: 30px;
}
.sv-hero__stat-num {
  font-family: 'Avenir Next', sans-serif;
  font-size: 2.2rem; font-weight: 800; line-height: 1;
  background: var(--grad-see); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.sv-hero__stat-label { font-size: 0.8rem; color: var(--sv-charcoal); text-transform: uppercase; letter-spacing: 0.08em; }

@media (max-width: 900px) {
  .sv-hero { grid-template-columns: 1fr; gap: 32px; padding: 40px 24px; }
  .sv-hero__stats { flex-direction: row; flex-wrap: wrap; border-left: 0; border-top: 1px solid var(--sv-rule); padding-left: 0; padding-top: 20px; gap: 28px; }
}

/* ----------------- Sections ------------------ */
.sv-section {
  max-width: 1440px; margin: 0 auto;
  padding: 72px 32px;
}
.sv-section--muted { background: var(--sv-mist); max-width: none; padding-left: 0; padding-right: 0; }
.sv-section--muted > .sv-wrap { max-width: 1440px; margin: 0 auto; padding: 72px 32px; }

.sv-section__head {
  display: flex; justify-content: space-between; align-items: end; gap: 40px;
  margin-bottom: 48px;
  border-bottom: 1px solid var(--sv-rule);
  padding-bottom: 22px;
}
.sv-section__head h2 { margin: 0; }
.sv-section__tag { font-size: 0.72rem; font-weight: 700; color: var(--sv-celestial); text-transform: uppercase; letter-spacing: 0.12em; }

/* ----------------- 2-col text block ------------------ */
.sv-prose {
  display: grid; grid-template-columns: 1fr 2fr; gap: 64px;
  margin: 48px 0;
}
.sv-prose h3 { margin-bottom: 12px; }
.sv-prose__side { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--sv-celestial); font-weight: 700; }
.sv-prose p + p { margin-top: 18px; }

@media (max-width: 780px) {
  .sv-prose { grid-template-columns: 1fr; gap: 16px; }
}

/* ----------------- Pillars (3 cards) ------------------ */
.sv-pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.sv-pillar {
  background: #fff; border: 1px solid var(--sv-rule); border-radius: 20px;
  padding: 32px 28px; transition: all .3s;
  position: relative; overflow: hidden;
}
.sv-pillar:hover { transform: translateY(-4px); box-shadow: var(--shadow-3); border-color: transparent; }
.sv-pillar::before {
  content:''; position:absolute; top:0; left:0; right:0; height: 4px;
  background: var(--grad-see);
}
.sv-pillar--2::before { background: var(--grad-know); }
.sv-pillar--3::before { background: var(--grad-impact); }
.sv-pillar__num {
  font-family: 'Avenir Next', sans-serif; font-weight: 800;
  font-size: 0.8rem; color: var(--sv-celestial);
  margin-bottom: 14px; letter-spacing: 0.08em;
}
.sv-pillar--2 .sv-pillar__num { color: var(--sv-verdigris); }
.sv-pillar--3 .sv-pillar__num { color: var(--sv-orange); }
.sv-pillar h3 { margin-bottom: 14px; }
.sv-pillar p { font-size: 0.98rem; }

@media (max-width: 900px) { .sv-pillars { grid-template-columns: 1fr; } }

/* ----------------- Key points list ------------------ */
.sv-keys { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px 48px; margin-top: 36px; }
.sv-key {
  display: grid; grid-template-columns: auto 1fr; gap: 18px;
  padding: 20px 0; border-top: 1px solid var(--sv-rule);
}
.sv-key__num {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--sv-gunmetal); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem; font-weight: 700;
}
.sv-key h4 { margin-bottom: 6px; }
.sv-key p { font-size: 0.95rem; }

@media (max-width: 780px) { .sv-keys { grid-template-columns: 1fr; } }

/* ----------------- Quote block ------------------ */
.sv-quote {
  background: var(--sv-gunmetal); color: #fff;
  padding: 56px 48px; border-radius: 24px;
  margin: 48px 0;
  position: relative; overflow: hidden;
}
.sv-quote::before {
  content: '"'; position: absolute; top: -30px; left: 20px;
  font-size: 16rem; line-height: 1;
  font-family: 'Avenir Next', serif; font-weight: 800;
  color: var(--sv-celestial); opacity: 0.2;
}
.sv-quote__text {
  font-size: clamp(1.3rem, 2vw, 1.7rem);
  font-weight: 300; line-height: 1.45;
  position: relative; z-index: 2;
  max-width: 820px;
  color: #fff;
}
.sv-quote::before { opacity: 0.12; }
.sv-quote__author { margin-top: 24px; font-size: 0.9rem; color: var(--sv-aero); font-weight: 600; letter-spacing: 0.02em; }

/* ----------------- CTA ------------------ */
.sv-cta {
  max-width: 1440px; margin: 80px auto; padding: 0 32px;
}
.sv-cta__inner {
  background: linear-gradient(135deg, var(--sv-gunmetal) 0%, var(--sv-charcoal) 100%);
  color: #fff; border-radius: 28px;
  padding: 64px 56px;
  display: grid; grid-template-columns: 2fr 1fr; gap: 48px; align-items: center;
  position: relative; overflow: hidden;
}
.sv-cta__inner::after {
  content: ''; position: absolute; top: -50%; right: -10%;
  width: 500px; height: 500px; border-radius: 50%;
  background: radial-gradient(circle, rgba(71,161,218,.25) 0%, transparent 70%);
}
.sv-cta h2 { color: #fff; margin-bottom: 14px; position: relative; z-index: 2; }
.sv-cta p { color: rgba(255,255,255,.78); font-size: 1.05rem; position: relative; z-index: 2; }
.sv-cta__actions { display: flex; flex-direction: column; gap: 12px; position: relative; z-index: 2; }
.sv-cta .sv-btn--primary { background: var(--sv-celestial); }
.sv-cta .sv-btn--primary:hover { background: #fff; color: var(--sv-gunmetal); }
.sv-cta .sv-btn--ghost { color: #fff; border-color: rgba(255,255,255,.3); }
.sv-cta .sv-btn--ghost:hover { border-color: #fff; background: rgba(255,255,255,.06); }

@media (max-width: 900px) {
  .sv-cta__inner { grid-template-columns: 1fr; padding: 40px 28px; }
  .sv-cta__actions { flex-direction: row; flex-wrap: wrap; }
}

/* ----------------- Footer ------------------ */
.sv-footer {
  background: var(--sv-gunmetal); color: rgba(255,255,255,.8);
  padding: 60px 32px 28px; margin-top: 0;
}
.sv-footer__inner {
  max-width: 1440px; margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px;
}
.sv-footer h4 {
  color: #fff; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.1em;
  margin-bottom: 18px; font-weight: 700;
}
.sv-footer a { color: rgba(255,255,255,.72); font-size: 0.92rem; display: block; padding: 4px 0; }
.sv-footer a:hover { color: var(--sv-aero); text-decoration: none; }
.sv-footer__brand p { color: rgba(255,255,255,.6); font-size: 0.9rem; margin-top: 12px; max-width: 360px; }
.sv-footer__bottom {
  max-width: 1440px; margin: 40px auto 0; padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.1);
  display: flex; justify-content: space-between; gap: 20px;
  font-size: 0.8rem; color: rgba(255,255,255,.5); flex-wrap: wrap;
}
.sv-footer__bottom a { display: inline; color: rgba(255,255,255,.6); }

@media (max-width: 900px) {
  .sv-footer__inner { grid-template-columns: 1fr 1fr; }
}

/* ----------------- Reveal animations ------------------ */
.sv-reveal { opacity: 1; transform: translateY(0); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.85,.2,1); }
.js-enabled .sv-reveal { opacity: 0; transform: translateY(24px); }
.js-enabled .sv-reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ----------------- FAQ accordion ------------------ */
.sv-faq {
  max-width: 880px; margin: 40px auto 0;
  display: flex; flex-direction: column; gap: 12px;
}
.sv-faq__item {
  border: 1px solid rgba(44, 61, 78, 0.12);
  border-radius: 14px;
  background: #fff;
  overflow: hidden;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.sv-faq__item:hover { border-color: rgba(71, 161, 218, 0.35); }
.sv-faq__item[open] {
  border-color: var(--sv-aero);
  box-shadow: 0 6px 24px rgba(44, 61, 78, .06);
}
.sv-faq__item summary {
  list-style: none; cursor: pointer;
  padding: 20px 56px 20px 24px;
  font-weight: 700; color: var(--sv-charcoal);
  font-size: 1.02rem; line-height: 1.4;
  position: relative;
  font-family: 'Lato', sans-serif;
}
.sv-faq__item summary::-webkit-details-marker { display: none; }
.sv-faq__item summary::after {
  content: "+"; position: absolute;
  right: 22px; top: 50%; transform: translateY(-50%);
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--sv-aero); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; font-weight: 300;
  transition: transform .25s ease, background .2s ease;
}
.sv-faq__item[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
  background: var(--sv-coral);
}
.sv-faq__answer {
  padding: 0 24px 24px; color: #4a5b6c;
  line-height: 1.7; font-size: 0.96rem;
}
.sv-faq__answer p { margin: 0 0 12px; }
.sv-faq__answer p:last-child { margin-bottom: 0; }

/* ----------------- Stats grid ------------------ */
.sv-stats-grid {
  max-width: 1200px; margin: 40px auto 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 28px;
}
.sv-stats-grid__item {
  background: #fff;
  border-radius: 16px;
  padding: 32px 28px;
  border-left: 4px solid var(--sv-aero);
  transition: transform .25s ease, box-shadow .25s ease;
}
.sv-stats-grid__item:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(44, 61, 78, .08);
}
.sv-stats-grid__item:nth-child(4n+2) { border-left-color: var(--sv-verdigris); }
.sv-stats-grid__item:nth-child(4n+3) { border-left-color: var(--sv-orange); }
.sv-stats-grid__item:nth-child(4n+4) { border-left-color: var(--sv-coral); }
.sv-stats-grid__val {
  font-size: 2.4rem; font-weight: 900; line-height: 1;
  color: var(--sv-charcoal); margin-bottom: 10px;
  font-family: 'Lato', sans-serif;
}
.sv-stats-grid__label {
  font-size: 0.98rem; color: #4a5b6c; line-height: 1.5;
  margin-bottom: 6px;
}
.sv-stats-grid__src {
  font-size: 0.78rem; color: #8a98a7;
  font-style: italic; letter-spacing: 0.02em;
}

/* ----------------- Table of contents ------------------ */
.sv-toc {
  background: #f7f9fb;
  border-radius: 14px;
  padding: 24px 28px;
  max-width: 760px;
  margin: 24px auto 40px;
  border-left: 4px solid var(--sv-aero);
}
.sv-toc h3 {
  font-size: 0.95rem; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--sv-charcoal);
  margin-bottom: 14px;
}
.sv-toc ol {
  list-style-position: inside;
  padding: 0; margin: 0;
  counter-reset: toc;
  list-style: none;
}
.sv-toc li {
  counter-increment: toc;
  padding: 6px 0;
  border-bottom: 1px dashed rgba(44, 61, 78, .08);
}
.sv-toc li:last-child { border-bottom: none; }
.sv-toc li::before {
  content: counter(toc, decimal-leading-zero) " · ";
  color: var(--sv-aero); font-weight: 700;
}
.sv-toc a { color: var(--sv-charcoal); }
.sv-toc a:hover { color: var(--sv-aero); }

/* ----------------- Long prose (legal pages) ------------------ */
.sv-longprose {
  max-width: 760px; margin: 0 auto;
  font-size: 1rem; line-height: 1.75; color: #37485a;
}
.sv-longprose h2 {
  font-size: 1.5rem; margin: 48px 0 18px;
  color: var(--sv-charcoal);
  scroll-margin-top: 100px;
  padding-top: 8px;
  border-top: 1px solid rgba(44, 61, 78, .08);
}
.sv-longprose h2:first-child { border-top: none; margin-top: 0; padding-top: 0; }
.sv-longprose p { margin: 0 0 16px; }
.sv-longprose ul {
  margin: 0 0 20px; padding-left: 20px;
}
.sv-longprose ul li { margin-bottom: 8px; }
.sv-longprose a { color: var(--sv-aero); text-decoration: underline; }

/* ----------------- Newsletter hero ------------------ */
.sv-news-hero {
  background: linear-gradient(135deg, var(--sv-gunmetal) 0%, var(--sv-charcoal) 100%);
  color: #fff;
  padding: 80px 40px;
  border-radius: 20px;
  max-width: 1200px;
  margin: 0 auto 40px;
  text-align: center;
}
.sv-news-hero h1 { color: #fff; margin-bottom: 16px; }
.sv-news-hero p { color: rgba(255,255,255,.8); max-width: 600px; margin: 0 auto 32px; font-size: 1.05rem; }
.sv-news-hero__form {
  display: flex; gap: 8px; max-width: 480px; margin: 0 auto;
  flex-wrap: wrap; justify-content: center;
}
.sv-news-hero__form input[type="email"] {
  flex: 1; min-width: 260px;
  padding: 14px 20px; border-radius: 10px; border: none;
  background: rgba(255,255,255,.1); color: #fff;
  font-size: 0.95rem;
}
.sv-news-hero__form input[type="email"]::placeholder { color: rgba(255,255,255,.5); }
.sv-news-hero__form button {
  padding: 14px 28px; border-radius: 10px; border: none;
  background: var(--sv-aero); color: #fff;
  font-weight: 700; cursor: pointer;
  transition: background .2s ease;
}
.sv-news-hero__form button:hover { background: #3a8cc0; }

@media (max-width: 720px) {
  .sv-faq__item summary { padding: 16px 48px 16px 18px; font-size: 0.98rem; }
  .sv-stats-grid__val { font-size: 2rem; }
  .sv-news-hero { padding: 60px 24px; }
}

/* ================================================================
   BITONIAUX — sidebar verticale flottante droite
   LinkedIn / WTTJ / Follaw / Reputation Lab / Rechercher
   ================================================================ */
.sv-bito {
  position: fixed;
  top: 50%;
  right: 18px;
  transform: translateY(-50%);
  z-index: 75;
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--sv-gunmetal);
  padding: 8px;
  border-radius: 18px;
  box-shadow: 0 10px 30px rgba(28, 39, 50, 0.25);
}
.sv-bito a {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  text-decoration: none;
  transition: all 0.2s ease;
  position: relative;
}
.sv-bito a:hover {
  background: linear-gradient(135deg, var(--sv-aero), var(--sv-verdigris));
  transform: translateX(-3px);
  text-decoration: none;
}
.sv-bito a svg { width: 20px; height: 20px; }
.sv-bito a .sv-bito-tip {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%);
  background: var(--sv-gunmetal);
  color: #fff;
  padding: 0.35rem 0.7rem;
  border-radius: 8px;
  font-size: 0.72rem;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: all 0.2s ease;
}
.sv-bito a:hover .sv-bito-tip {
  opacity: 1;
  transform: translateY(-50%) translateX(-3px);
}
.sv-bito-sep {
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  margin: 2px 8px;
}
@media (max-width: 1024px) {
  .sv-bito { display: none; }
}