/* =========================================================
   VIRAL AGENCY — charte web « Blanc & or »
   Or Viral #CFB054 · Or profond #9E7F2E · Or texte #7D6320
   Encre #2B2620 · Ivoire #FAF7F0 · Blanc #FFFFFF
   Titres : Playfair Display · Texte : Lato
   ========================================================= */

:root {
  --or: #CFB054;
  --or-profond: #9E7F2E;
  --or-texte: #7D6320;
  --or-pale: #F3EBD3;
  --encre: #2B2620;
  --encre-2: #5A524A;
  --gris: #8B8378;
  --ivoire: #FAF7F0;
  --blanc: #FFFFFF;
  --line: rgba(207, 176, 84, 0.35);
  --line-soft: rgba(43, 38, 32, 0.08);
  --maxw: 1180px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --radius: 18px;
  --shadow: 0 18px 50px rgba(158, 127, 46, 0.12);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Lato', system-ui, sans-serif;
  background: var(--blanc);
  color: var(--encre);
  line-height: 1.7;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
svg { fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
h1, h2, h3, .quote { font-family: 'Playfair Display', Georgia, serif; font-weight: 400; line-height: 1.12; }
h2 em, h1 em, .cta em { font-style: italic; color: var(--or-profond); }
.gold { color: var(--or-texte); }
.muted { color: var(--encre-2); }

/* ---------- Typo ---------- */
.eyebrow { font-size: 0.72rem; letter-spacing: 0.32em; text-transform: uppercase; color: var(--or-texte); font-weight: 700; margin-bottom: 16px; }
.section__title { font-size: clamp(2rem, 4vw, 3.1rem); margin-bottom: 20px; letter-spacing: -0.01em; }
.lede { font-size: 1.05rem; color: var(--encre-2); max-width: 680px; }
.quote { font-size: clamp(1.6rem, 3.4vw, 2.5rem); font-style: italic; max-width: 820px; margin: 0 auto 22px; }

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 16px 28px; font-size: 0.72rem; letter-spacing: 0.22em; text-transform: uppercase; font-weight: 700;
  border: 1.5px solid transparent; cursor: pointer; font-family: inherit; border-radius: 6px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s, color .3s, border-color .3s;
}
.btn svg { width: 16px; height: 16px; stroke-width: 2; transition: transform .3s var(--ease); }
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(43, 38, 32, 0.14); }
.btn:hover svg { transform: translateX(4px); }
.btn--gold { background: var(--or); color: var(--encre); border-color: var(--or); }
.btn--gold:hover { background: #D9BD66; }
.btn--dark { background: var(--encre); color: var(--blanc); border-color: var(--encre); }
.btn--dark:hover { background: #3a332b; }
.btn--outline-gold { background: transparent; color: var(--or); border-color: var(--or); }
.btn--outline-gold:hover { background: rgba(207, 176, 84, 0.12); }
.btn--sm { padding: 12px 22px; font-size: 0.66rem; }
.btn:disabled { opacity: .6; cursor: wait; transform: none; box-shadow: none; }
.link-line { font-size: 0.72rem; letter-spacing: 0.22em; text-transform: uppercase; font-weight: 700; color: var(--or-texte); padding: 8px 0; border-bottom: 1.5px solid var(--or); transition: color .25s; }
.link-line:hover { color: var(--encre); }

/* ---------- Navigation ---------- */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--line-soft); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 80px; }
.brand img { width: 98px; height: auto; }
.nav__links { display: flex; align-items: center; gap: 30px; }
.nav__links a:not(.btn) { font-size: 0.7rem; letter-spacing: 0.22em; text-transform: uppercase; font-weight: 700; color: var(--encre); position: relative; padding: 4px 0; transition: color .25s; }
.nav__links a:not(.btn)::after { content: ""; position: absolute; left: 0; bottom: -2px; width: 0; height: 1.5px; background: var(--or); transition: width .3s var(--ease); }
.nav__links a:not(.btn):hover { color: var(--or-texte); }
.nav__links a:not(.btn):hover::after { width: 100%; }
.nav__burger { display: none; background: none; border: 0; width: 44px; height: 44px; cursor: pointer; flex-direction: column; justify-content: center; align-items: center; gap: 6px; }
.nav__burger span { display: block; width: 24px; height: 2px; background: var(--encre); border-radius: 2px; transition: transform .3s var(--ease), opacity .3s; }
.nav__burger.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
.nav__mobile { display: none; flex-direction: column; gap: 2px; padding: 8px 24px 24px; background: var(--blanc); border-top: 1px solid var(--line-soft); }
.nav__mobile.open { display: flex; }
.nav__mobile a:not(.btn) { padding: 13px 0; font-size: 0.78rem; letter-spacing: 0.22em; text-transform: uppercase; font-weight: 700; border-bottom: 1px solid var(--line-soft); }
.nav__mobile .btn { margin-top: 16px; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; }
.hero__blob { position: absolute; top: -120px; right: -140px; width: 520px; height: 520px; border-radius: 50%; background: var(--ivoire); z-index: 0; }
.hero__inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; padding: 72px 24px 88px; }
.pill { display: inline-flex; align-items: center; gap: 10px; padding: 8px 18px; border: 1px solid var(--line); border-radius: 999px; font-size: 0.68rem; letter-spacing: 0.26em; text-transform: uppercase; font-weight: 700; color: var(--or-texte); margin-bottom: 26px; }
.pill__dot { width: 7px; height: 7px; border-radius: 50%; background: var(--or); }
.hero__title { font-size: clamp(2.6rem, 6vw, 4.6rem); letter-spacing: -0.015em; margin-bottom: 26px; }
.hero__lead { max-width: 440px; color: var(--encre-2); font-size: 1.05rem; margin-bottom: 36px; }
.hero__actions { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; margin-bottom: 34px; }
.chips { list-style: none; display: flex; gap: 10px; flex-wrap: wrap; }
.chips li { background: var(--ivoire); border-radius: 999px; padding: 8px 16px; font-size: 0.82rem; font-weight: 700; color: var(--encre); }
.hero__visual img { width: 100%; max-width: 520px; margin: 0 auto; animation: float 7s ease-in-out infinite; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* reflet doré qui traverse le mot « rayonner » */
.shine {
  position: relative; display: inline-block;
  background: linear-gradient(100deg, var(--or-profond) 0%, var(--or-profond) 40%, #F6E6A8 50%, var(--or-profond) 60%, var(--or-profond) 100%);
  background-size: 250% 100%; -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: shine 4.2s var(--ease) 1.2s infinite;
}
@keyframes shine { 0% { background-position: 110% 0; } 45%, 100% { background-position: -110% 0; } }

/* ---------- Sections ---------- */
.section { padding: 104px 0; }
.section--ivory { background: var(--ivoire); }
.section__head { margin-bottom: 52px; }
.section__head--center { text-align: center; }
.section__head--center .lede { margin: 0 auto; }
.section__head--split { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: end; }
.section__head--split .section__title { margin-bottom: 0; }
.section__head--split .muted { max-width: 380px; padding-bottom: 6px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; }
.grid-2--center { align-items: center; }
.grid-2--contact { grid-template-columns: 0.9fr 1.1fr; align-items: start; }

/* ---------- Cartes agence ---------- */
.cards { display: grid; gap: 26px; }
.cards--3 { grid-template-columns: repeat(3, 1fr); }
.card { background: var(--blanc); border: 1px solid var(--line); border-radius: var(--radius); padding: 36px 32px; transition: transform .35s var(--ease), box-shadow .35s var(--ease); }
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.card__ico { display: grid; place-items: center; width: 58px; height: 58px; border-radius: 50%; background: var(--or-pale); color: var(--or-profond); margin-bottom: 26px; }
.card__ico svg { width: 24px; height: 24px; }
.card h3 { font-size: 1.5rem; margin-bottom: 12px; }
.card p { color: var(--encre-2); font-size: 0.95rem; }

/* ---------- Services ---------- */
.services { display: grid; grid-template-columns: repeat(6, 1fr); gap: 26px; }
.service { grid-column: span 2; background: var(--blanc); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 18px 32px; transition: transform .35s var(--ease), box-shadow .35s var(--ease); }
.service:nth-child(4) { grid-column: 2 / span 2; }
.service:nth-child(5) { grid-column: 4 / span 2; }
.service:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.service img { width: 100%; border-radius: 12px; margin-bottom: 22px; }
.service__num { display: block; font-family: 'Playfair Display', serif; font-style: italic; color: var(--or-texte); font-size: 0.95rem; margin: 0 8px 6px; }
.service h3 { font-size: 1.45rem; margin: 0 8px 10px; }
.service p { color: var(--encre-2); font-size: 0.93rem; margin: 0 8px; }

/* ---------- Pourquoi ---------- */
.why__visual { margin: 0; }
.why__visual img { width: 100%; max-width: 460px; }
.checks { list-style: none; margin-top: 8px; }
.checks li { display: grid; grid-template-columns: 34px 1fr; gap: 16px; padding: 14px 0; }
.check { width: 34px; height: 34px; border-radius: 50%; background: var(--encre); position: relative; margin-top: 2px; }
.check::after { content: ""; position: absolute; left: 11px; top: 9px; width: 9px; height: 5px; border-left: 2px solid var(--or); border-bottom: 2px solid var(--or); transform: rotate(-45deg); }
.checks h3 { font-size: 1.25rem; margin-bottom: 4px; }
.checks p { color: var(--encre-2); font-size: 0.93rem; }

/* ---------- Méthode ---------- */
.steps { list-style: none; display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; text-align: center; position: relative; }
.step { position: relative; padding-top: 10px; }
.step::after { content: ""; position: absolute; top: 44px; left: calc(50% + 40px); width: calc(100% - 80px); border-top: 2px dashed var(--or); opacity: .8; }
.step--last::after { display: none; }
.step__ico { display: grid; place-items: center; width: 70px; height: 70px; border-radius: 50%; margin: 0 auto 18px; background: var(--blanc); border: 1.5px solid var(--or); color: var(--or-profond); box-shadow: 0 10px 30px rgba(158, 127, 46, 0.12); transition: transform .35s var(--ease), background .35s, color .35s; }
.step__ico svg { width: 24px; height: 24px; }
.step:hover .step__ico { transform: translateY(-4px); }
.step--last .step__ico { background: var(--encre); border-color: var(--encre); color: var(--or); }
.step__num { display: block; font-family: 'Playfair Display', serif; font-style: italic; color: var(--or-texte); margin-bottom: 6px; }
.step h3 { font-size: 1.2rem; margin-bottom: 8px; }
.step p { color: var(--encre-2); font-size: 0.9rem; }

/* ---------- Bandeau CTA ---------- */
.cta { position: relative; overflow: hidden; background: var(--encre); color: var(--blanc); border-radius: 26px; padding: 56px 64px; display: grid; grid-template-columns: 1.3fr auto; gap: 40px; align-items: center; }
.cta__rings { position: absolute; right: -120px; top: -180px; width: 420px; height: 420px; border-radius: 50%; border: 1px solid rgba(207, 176, 84, 0.35); }
.cta__rings::before, .cta__rings::after { content: ""; position: absolute; inset: 60px; border-radius: 50%; border: 1px solid rgba(207, 176, 84, 0.3); }
.cta__rings::after { inset: 120px; }
.cta h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); margin-bottom: 12px; }
.cta em { color: var(--or); }
.cta p { color: rgba(255, 255, 255, 0.72); }
.cta__actions { display: flex; gap: 14px; flex-wrap: wrap; position: relative; z-index: 1; }

/* ---------- Contact ---------- */
.contact__visual { margin: 28px 0 6px; }
.contact__visual img { width: 100%; max-width: 360px; }
.contact__info { list-style: none; border-top: 1px solid var(--line); padding-top: 14px; }
.contact__info li { display: flex; align-items: center; gap: 16px; padding: 10px 0; font-family: 'Playfair Display', serif; font-size: 1.2rem; }
.contact__info a { color: var(--or-texte); }
.contact__ico { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; background: var(--or-pale); color: var(--or-profond); flex: none; }
.contact__ico svg { width: 18px; height: 18px; }

.form { background: var(--ivoire); border-radius: 26px; padding: 44px 44px 40px; }
.form__title { font-size: 1.7rem; margin-bottom: 6px; }
.form__sub { color: var(--encre-2); font-size: 0.95rem; margin-bottom: 26px; }
.form__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form__row { margin-bottom: 20px; border: 0; }
.form label, .form legend { display: block; font-size: 0.66rem; letter-spacing: 0.24em; text-transform: uppercase; font-weight: 700; color: var(--encre-2); margin-bottom: 8px; }
.form input[type="text"], .form input[type="email"], .form input[type="tel"], .form textarea {
  width: 100%; background: var(--blanc); border: 1px solid var(--line); border-radius: 8px; color: var(--encre);
  padding: 14px 16px; font: inherit; font-size: 0.98rem; outline: none; transition: border-color .25s, box-shadow .25s;
}
.form input:focus, .form textarea:focus { border-color: var(--or-profond); box-shadow: 0 0 0 3px rgba(207, 176, 84, 0.2); }
.form textarea { resize: vertical; min-height: 130px; }
.form__checks { display: flex; flex-wrap: wrap; gap: 10px 24px; }
.form__checks legend { margin-bottom: 12px; }
.form__checks label { display: inline-flex; align-items: center; gap: 9px; font-size: 0.95rem; letter-spacing: 0; text-transform: none; font-weight: 400; color: var(--encre); margin: 0; cursor: pointer; }
.form__checks input { appearance: none; -webkit-appearance: none; width: 18px; height: 18px; border: 1.5px solid var(--or-profond); border-radius: 4px; background: var(--blanc); display: grid; place-items: center; cursor: pointer; }
.form__checks input:checked { background: var(--encre); border-color: var(--encre); }
.form__checks input:checked::after { content: ""; width: 8px; height: 4px; border-left: 2px solid var(--or); border-bottom: 2px solid var(--or); transform: rotate(-45deg) translate(1px, -1px); }
.hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }
.form__status { margin-top: 14px; font-size: 0.92rem; min-height: 1.4em; color: var(--or-texte); }

/* ---------- Footer ---------- */
.footer { background: var(--ivoire); padding: 64px 0 36px; margin-top: 20px; }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1.2fr 1fr; gap: 40px; padding-bottom: 36px; border-bottom: 1px solid var(--line); }
.footer__brand img { width: 130px; margin-bottom: 18px; }
.footer__brand p { color: var(--encre-2); font-size: 0.92rem; max-width: 300px; }
.footer h4 { font-size: 0.66rem; letter-spacing: 0.26em; text-transform: uppercase; color: var(--encre-2); margin-bottom: 16px; font-family: 'Lato', sans-serif; }
.footer ul { list-style: none; }
.footer li { font-size: 0.95rem; margin-bottom: 10px; }
.footer li a:hover { color: var(--or-texte); }
.footer__bottom { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; padding-top: 24px; font-size: 0.82rem; color: var(--encre-2); }
.footer__bottom nav { display: flex; gap: 20px; }
.footer__bottom nav a:hover { color: var(--or-texte); }

/* ---------- Pages légales ---------- */
.legal { padding: 72px 0 100px; }
.legal__inner { max-width: 800px; }
.legal__title { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 36px; }
.legal section { margin-bottom: 38px; }
.legal h2 { font-size: 1.5rem; margin-bottom: 12px; }
.legal p, .legal li { color: var(--encre-2); margin-bottom: 10px; }
.legal a { color: var(--or-texte); border-bottom: 1px solid var(--line); }
.legal ul:not(.legal__list) { padding-left: 20px; }
.legal__list { list-style: none; border-top: 1px solid var(--line); margin: 14px 0 18px; }
.legal__list li { display: grid; grid-template-columns: 180px 1fr; gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--line-soft); margin: 0; color: var(--encre); }
.legal__list span { font-size: 0.64rem; letter-spacing: 0.22em; text-transform: uppercase; font-weight: 700; color: var(--or-texte); align-self: center; }
.legal__list a { border-bottom: 0; }
.legal__back { display: inline-block; margin-top: 24px; border-bottom: 0 !important; }

/* ---------- Révélation ---------- */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero__visual img, .shine { animation: none; }
  .shine { color: var(--or-profond); background: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1020px) {
  .services { grid-template-columns: 1fr 1fr; }
  .service, .service:nth-child(4), .service:nth-child(5) { grid-column: auto; }
  .steps { grid-template-columns: repeat(3, 1fr); row-gap: 40px; }
  .step::after { display: none; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .nav__links { display: none; }
  .nav__burger { display: flex; }
  .nav__inner { height: 72px; }
  .hero__inner { grid-template-columns: 1fr; padding: 48px 24px 64px; gap: 36px; }
  .hero__blob { width: 360px; height: 360px; top: -140px; right: -160px; }
  .hero__visual { order: -1; }
  .hero__visual img { max-width: 380px; }
  .section { padding: 72px 0; }
  .section__head--split { grid-template-columns: 1fr; gap: 12px; }
  .grid-2 { grid-template-columns: 1fr; gap: 44px; }
  .cards--3 { grid-template-columns: 1fr; }
  .cta { grid-template-columns: 1fr; padding: 44px 32px; }
  .form { padding: 32px 24px; }
}
@media (max-width: 600px) {
  .services { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; row-gap: 32px; }
  .form__grid { grid-template-columns: 1fr; gap: 0; }
  .footer__grid { grid-template-columns: 1fr; gap: 28px; }
  .hero__actions .btn { width: 100%; }
  .cta__actions .btn { width: 100%; }
  .legal__list li { grid-template-columns: 1fr; gap: 4px; }
}

/* ---------- Reflet doré sur le logo (une fois, au chargement) ---------- */
.brand--shine { position: relative; overflow: hidden; border-radius: 6px; }
.brand--shine::after {
  content: ""; position: absolute; top: -40%; bottom: -40%; left: -60%; width: 45%;
  background: linear-gradient(100deg, rgba(255,255,255,0) 0%, rgba(255,255,255,.85) 50%, rgba(255,255,255,0) 100%);
  transform: skewX(-18deg); mix-blend-mode: screen; pointer-events: none;
  animation: logo-shine 1.6s var(--ease) 0.6s 1 both;
}
.brand--shine:hover::after { animation: logo-shine 1.2s var(--ease) 1 both; }
@keyframes logo-shine { from { left: -60%; } to { left: 130%; } }
@media (prefers-reduced-motion: reduce) { .brand--shine::after { display: none; } }
.opt { font-weight: 400; letter-spacing: 0; text-transform: none; color: var(--gris); }