/* =============================================
   ÉVOLIA — Design premium
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=Inter:wght@300;400;500;600&display=swap');

:root {
  --navy:    #0f1f3d;
  --blue:    #1a56db;
  --blue-lt: #e8effd;
  --gold:    #c9a227;
  --sand:    #f7f4ef;
  --white:   #ffffff;
  --ink:     #1c1c1e;
  --muted:   #6b7280;
  --border:  #e5e0d8;
  --radius:  6px;
  --serif:   'DM Serif Display', Georgia, serif;
  --sans:    'Inter', system-ui, sans-serif;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--sans);
  font-weight: 400;
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
  font-size: 16px;
}

/* ─── TYPOGRAPHIE ─── */
h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.15;
  color: var(--navy);
}
h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: 1.3rem; }
h4 { font-size: 1.1rem; }
p  { color: var(--muted); line-height: 1.75; }
a  { text-decoration: none; color: inherit; }

/* ─── LAYOUT ─── */
.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.section    { padding: 96px 0; }
.section--sand { background: var(--sand); }

/* ─── OVERLINE / LABEL ─── */
.overline {
  display: block;
  font-family: var(--sans);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 16px;
}

/* ─── DIVIDER ─── */
.divider {
  width: 40px; height: 2px;
  background: var(--gold);
  margin: 20px 0 28px;
}
.divider--center { margin-inline: auto; }

/* ─── BOUTONS ─── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 30px;
  font-family: var(--sans); font-size: .88rem; font-weight: 500;
  letter-spacing: .03em;
  border: none; border-radius: 2px;
  cursor: pointer; transition: all .2s ease;
}
.btn-primary {
  background: var(--navy); color: var(--white);
}
.btn-primary:hover { background: var(--blue); }

.btn-outline {
  background: transparent; color: var(--navy);
  border: 1.5px solid var(--navy);
}
.btn-outline:hover { background: var(--navy); color: var(--white); }

.btn-ghost {
  background: transparent; color: var(--blue);
  padding: 0; border: none;
  font-weight: 500; font-size: .9rem;
}
.btn-ghost::after { content: ' →'; transition: margin .2s; }
.btn-ghost:hover::after { margin-left: 4px; }

.btn-wa {
  background: #128c7e; color: var(--white);
}
.btn-wa:hover { background: #0e7265; }

/* ─── NAVBAR ─── */
.navbar {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.navbar__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.navbar__logo {
  font-family: var(--serif);
  font-size: 1.4rem;
  color: var(--navy);
  letter-spacing: -.01em;
  flex-shrink: 0;
}
.navbar__logo em {
  font-style: italic;
  color: var(--blue);
}
.navbar__nav {
  display: flex; gap: 0; align-items: center; flex-wrap: nowrap;
}
.navbar__nav a {
  padding: 6px 9px;
  font-size: .78rem; font-weight: 500;
  letter-spacing: 0;
  color: var(--ink); opacity: .75;
  border-radius: 2px;
  white-space: nowrap;
  transition: opacity .15s, color .15s;
}
.navbar__nav a:hover,
.navbar__nav a.active { opacity: 1; color: var(--blue); }

.navbar__cta { display: flex; gap: 10px; align-items: center; flex-shrink: 0; }
.navbar__cta .btn { padding: 10px 18px; font-size: .82rem; }
.navbar__hamburger {
  display: none; background: none; border: none;
  cursor: pointer; color: var(--navy);
  padding: 4px;
}
.navbar__hamburger svg { display: block; }

/* ─── HERO ─── */
.hero {
  padding: 100px 0 80px;
  background: var(--sand);
  position: relative; overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute; bottom: 0; right: 0;
  width: 480px; height: 480px;
  background: radial-gradient(circle at 70% 70%, rgba(26,86,219,.06) 0%, transparent 65%);
  pointer-events: none;
}
.hero__inner {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center;
}
.hero__kicker {
  font-size: .75rem; font-weight: 600;
  letter-spacing: .15em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 20px;
}
.hero__title { margin-bottom: 24px; }
.hero__title em { font-style: italic; color: var(--blue); }
.hero__desc {
  font-size: 1.05rem; color: var(--muted);
  max-width: 440px; margin-bottom: 40px;
}
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }

.hero__trust {
  display: flex; gap: 28px; margin-top: 48px;
  padding-top: 36px; border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.hero__trust-item {
  display: flex; flex-direction: column; gap: 2px;
}
.hero__trust-item strong {
  font-family: var(--serif);
  font-size: 1.6rem; color: var(--navy);
}
.hero__trust-item span { font-size: .78rem; color: var(--muted); }

.hero__visual {
  display: flex; justify-content: flex-end;
}
.hero__panel {
  background: var(--white);
  border: 1px solid var(--border);
  padding: 44px 40px;
  width: 100%; max-width: 360px;
}
.hero__panel-title {
  font-family: var(--serif);
  font-size: 1.15rem; color: var(--navy);
  margin-bottom: 28px; padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.hero__service {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: .88rem; color: var(--ink);
}
.hero__service:last-child { border-bottom: none; }
.hero__service-tag {
  font-size: .7rem; font-weight: 600; letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--blue);
  background: var(--blue-lt);
  padding: 3px 10px; border-radius: 2px;
}

/* ─── SECTION HEADER ─── */
.section-header { margin-bottom: 60px; }
.section-header.centered { text-align: center; }
.section-header.centered .divider { margin-inline: auto; }
.section-header h2 { margin-bottom: 0; }
.section-header p { margin-top: 16px; max-width: 520px; }
.section-header.centered p { margin-inline: auto; }

/* ─── GRILLE 3 COL ─── */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-top: 60px;
}
.grid-3-item {
  background: var(--white);
  padding: 40px 36px;
  transition: background .2s;
}
.grid-3-item:hover { background: var(--sand); }
.grid-3-item__num {
  font-family: var(--serif);
  font-size: 2.2rem; color: var(--blue);
  opacity: .25; line-height: 1;
  margin-bottom: 24px;
}
.grid-3-item h3 { margin-bottom: 12px; font-size: 1.1rem; }
.grid-3-item p { font-size: .9rem; }

/* ─── LISTE À PUCES ÉLÉGANTE ─── */
.list-elegant { list-style: none; }
.list-elegant li {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 13px 0; border-bottom: 1px solid var(--border);
  font-size: .93rem; color: var(--ink);
}
.list-elegant li:last-child { border-bottom: none; }
.list-elegant li::before {
  content: '';
  flex-shrink: 0;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold);
  margin-top: 8px;
}

/* ─── PRICING ─── */
.pricing-grid {
  display: grid; grid-template-columns: repeat(3,1fr);
  gap: 0; border: 1px solid var(--border);
  margin-top: 60px;
}
.pricing-col {
  padding: 44px 36px;
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  position: relative;
}
.pricing-col:last-child { border-right: none; }
.pricing-col.featured { background: var(--navy); }
.pricing-col.featured h3,
.pricing-col.featured .pricing-price,
.pricing-col.featured .pricing-label { color: var(--white); }
.pricing-col.featured p,
.pricing-col.featured li { color: rgba(255,255,255,.65); }
.pricing-col.featured .list-elegant li { border-color: rgba(255,255,255,.12); }
.pricing-col.featured .list-elegant li::before { background: var(--gold); }
.pricing-col.featured .divider { background: var(--gold); }

.pricing-tag {
  font-size: .7rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 12px; display: block;
}
.pricing-col h3 { font-size: 1.3rem; margin-bottom: 32px; }
.pricing-price {
  font-family: var(--serif);
  font-size: 3rem; color: var(--navy); line-height: 1;
}
.pricing-price sup { font-size: 1.2rem; vertical-align: top; margin-top: 10px; }
.pricing-price sub { font-size: .9rem; color: var(--muted); font-family: var(--sans); }
.pricing-net {
  margin: 10px 0 32px;
  font-size: .82rem; color: var(--gold); font-weight: 500;
}
.pricing-col .btn { margin-top: auto; padding-top: 32px; }
.pricing-col .btn { display: block; text-align: center; }

/* ─── AVANTAGES ─── */
.avantages-block {
  background: var(--navy);
  padding: 96px 0;
}
.avantages-block h2,
.avantages-block .overline { color: var(--white); }
.avantages-block .overline { opacity: .6; }
.avantages-block .divider { background: var(--gold); }
.avantages-cols {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center;
}
.avantages-text h2 { color: var(--white); margin-bottom: 24px; }
.avantages-text p { color: rgba(255,255,255,.65); }
.avantages-calcul {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  padding: 36px;
}
.avantages-calcul p { color: rgba(255,255,255,.55); font-size: .82rem; margin-bottom: 24px; }
.calcul-row {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.08);
}
.calcul-row:last-child { border-bottom: none; }
.calcul-row__label { font-size: .85rem; color: rgba(255,255,255,.6); }
.calcul-row__before { font-size: .85rem; color: rgba(255,255,255,.35); text-decoration: line-through; }
.calcul-row__after { font-family: var(--serif); font-size: 1.4rem; color: var(--gold); }

/* ─── STEPS ─── */
.steps-list { display: flex; flex-direction: column; gap: 0; margin-top: 60px; }
.step-item {
  display: grid; grid-template-columns: 56px 1fr;
  gap: 32px; padding: 36px 0;
  border-bottom: 1px solid var(--border);
}
.step-item:first-child { border-top: 1px solid var(--border); }
.step-num {
  font-family: var(--serif);
  font-size: 2.4rem; color: var(--navy);
  opacity: .15; line-height: 1; padding-top: 4px;
}
.step-item h3 { margin-bottom: 8px; font-size: 1.1rem; }
.step-item p { font-size: .92rem; }

/* ─── SUIVI ─── */
.suivi-cols {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1px; background: var(--border);
  border: 1px solid var(--border);
  margin-top: 60px;
}
.suivi-cell {
  background: var(--white); padding: 40px 36px;
  transition: background .2s;
}
.suivi-cell:hover { background: var(--sand); }
.suivi-cell h4 { margin-bottom: 10px; font-size: 1rem; }
.suivi-cell p { font-size: .9rem; }
.suivi-marker {
  width: 32px; height: 2px;
  background: var(--gold); margin-bottom: 20px;
}

/* ─── POURQUOI NOUS ─── */
.why-cols {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: start;
  margin-top: 60px;
}
.why-list { list-style: none; }
.why-list li {
  display: flex; gap: 20px;
  padding: 24px 0; border-bottom: 1px solid var(--border);
}
.why-list li:first-child { border-top: 1px solid var(--border); }
.why-list__icon {
  flex-shrink: 0; width: 36px; height: 36px;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: .9rem; margin-top: 2px;
}
.why-list h4 { margin-bottom: 4px; font-size: 1rem; }
.why-list p { font-size: .88rem; }
.why-pull {
  background: var(--sand);
  padding: 48px 44px;
  position: sticky; top: 100px;
}
.why-pull blockquote {
  font-family: var(--serif);
  font-size: 1.35rem; color: var(--navy);
  line-height: 1.5; font-style: italic;
  margin-bottom: 24px;
}
.why-pull cite { font-size: .8rem; color: var(--muted); font-style: normal; }

/* ─── AUDIENCE ─── */
.audience-grid {
  display: grid; grid-template-columns: repeat(5,1fr);
  gap: 1px; background: var(--border);
  border: 1px solid var(--border);
  margin-top: 60px;
}
.audience-cell {
  background: var(--white); padding: 36px 24px;
  text-align: center;
  transition: background .2s;
}
.audience-cell:hover { background: var(--sand); }
.audience-cell h3 { font-size: 1rem; margin-bottom: 6px; }
.audience-cell p { font-size: .82rem; }
.audience-icon {
  font-family: var(--serif);
  font-size: 1.8rem; color: var(--navy);
  opacity: .18; margin-bottom: 16px; line-height: 1;
}

/* ─── CONTACT ─── */
.contact-layout {
  display: grid; grid-template-columns: 5fr 7fr;
  gap: 80px; margin-top: 60px; align-items: start;
}
.contact-aside h3 { margin-bottom: 16px; font-size: 1.1rem; }
.contact-aside p { font-size: .92rem; margin-bottom: 32px; }
.contact-detail { margin-bottom: 20px; }
.contact-detail strong { display: block; font-size: .75rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; }
.contact-detail span { font-size: .93rem; color: var(--ink); }
.contact-sep { height: 1px; background: var(--border); margin: 28px 0; }

.contact-form {}
.contact-form h3 { margin-bottom: 32px; font-size: 1.1rem; }
.form-group { margin-bottom: 22px; }
.form-group label { display: block; font-size: .75rem; font-weight: 600; letter-spacing: .07em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 2px;
  font-family: var(--sans); font-size: .92rem;
  color: var(--ink); background: var(--white);
  transition: border-color .15s;
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--blue); }
.form-group textarea { resize: vertical; min-height: 110px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-submit { width: 100%; justify-content: center; margin-top: 8px; }

.alert { display: none; margin-top: 16px; padding: 14px 18px; font-size: .88rem; background: #f0f9ff; color: #0369a1; border-left: 3px solid #0369a1; }

/* ─── PAGE HERO ─── */
.page-hero {
  background: var(--sand);
  padding: 80px 0 72px;
  border-bottom: 1px solid var(--border);
}
.page-hero h1 { margin-bottom: 16px; }
.page-hero p { max-width: 520px; }

/* ─── FOOTER ─── */
.footer {
  background: var(--navy);
  padding: 72px 0 36px;
}
.footer__grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px; padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer__logo {
  font-family: var(--serif);
  font-size: 1.6rem; color: var(--white);
  margin-bottom: 16px; display: block;
}
.footer__logo em { font-style: italic; color: rgba(255,255,255,.45); }
.footer__tagline { font-size: .85rem; color: rgba(255,255,255,.45); line-height: 1.7; }
.footer__col h5 {
  font-family: var(--sans); font-size: .72rem; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase;
  color: rgba(255,255,255,.35); margin-bottom: 20px;
}
.footer__col ul { list-style: none; }
.footer__col ul li { margin-bottom: 12px; }
.footer__col ul li a { font-size: .88rem; color: rgba(255,255,255,.55); transition: color .15s; }
.footer__col ul li a:hover { color: var(--white); }
.footer__bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 28px; flex-wrap: wrap; gap: 12px;
  font-size: .78rem; color: rgba(255,255,255,.3);
}

/* ─── WHATSAPP ─── */
.wa-float {
  position: fixed; bottom: 28px; right: 28px; z-index: 999;
  width: 52px; height: 52px;
  background: #128c7e; color: var(--white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(0,0,0,.2);
  transition: transform .2s;
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 24px; height: 24px; fill: currentColor; }

/* ─── RESPONSIVE ─── */
@media (max-width: 1100px) {
  .navbar__nav { display: none; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: var(--white); border-bottom: 1px solid var(--border); padding: 12px 24px 20px; gap: 2px; }
  .navbar__nav.open { display: flex; }
  .navbar__hamburger { display: block; }
  .hero__inner { grid-template-columns: 1fr; gap: 48px; }
  .hero__visual { justify-content: flex-start; }
  .hero__panel { max-width: 100%; }
  .grid-3 { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; border: none; gap: 1px; background: var(--border); }
  .pricing-col { border-right: none; border: none; }
  .avantages-cols { grid-template-columns: 1fr; gap: 48px; }
  .why-cols { grid-template-columns: 1fr; }
  .why-pull { position: static; }
  .contact-layout { grid-template-columns: 1fr; gap: 48px; }
  .audience-grid { grid-template-columns: repeat(2,1fr); }
  .suivi-cols { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .section { padding: 72px 0; }
  h1 { font-size: 2.2rem; }
  .audience-grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .hero__trust { gap: 20px; }
}