/* =====================================================================
   Observatoire GEO — feuille de style éditoriale (édition 2026)
   Direction : papier crème, encre profonde, accents terre de Sienne.
   ===================================================================== */

:root {
  --paper: #f7f3ec;
  --paper-2: #fffdf9;
  --paper-3: #efe8dc;
  --ink: #1b1a17;
  --ink-soft: #4a463e;
  --ink-faint: #78716340;
  --rust: #b23a2e;
  --rust-dark: #8d2c22;
  --gold: #c9a227;
  --line: #d9cfbe;
  --line-strong: #bcae97;
  --radius: 4px;
  --maxw: 1080px;
  --font-display: "Outfit", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Figtree", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.68;
  letter-spacing: -0.005em;
  background-image:
    linear-gradient(to bottom, rgba(201, 162, 39, 0.05), transparent 380px);
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--rust-dark);
  text-decoration: none;
  border-bottom: 1px solid rgba(178, 58, 46, 0.3);
  transition: color 0.18s ease, border-color 0.18s ease;
}

a:hover {
  color: var(--rust);
  border-color: var(--rust);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin: 0 0 0.5em;
  text-wrap: balance;
}

p {
  margin: 0 0 1em;
}

strong {
  font-weight: 700;
  color: var(--ink);
}

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 10px 16px;
  z-index: 200;
  border: 0;
}

.skip-link:focus {
  left: 12px;
  top: 12px;
}

/* ------------------------------ header ------------------------------ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 243, 236, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 68px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper-2);
}

.logo-text {
  font-size: 1.06rem;
}

.logo-cursor {
  color: var(--rust);
}

.site-nav {
  display: flex;
  gap: 22px;
  margin-left: auto;
}

.site-nav a {
  border: 0;
  color: var(--ink-soft);
  font-size: 0.86rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.site-nav a:hover {
  color: var(--rust);
}

.nav-cta {
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: 9px 18px;
  color: var(--ink);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.nav-cta:hover {
  background: var(--ink);
  color: var(--paper-2);
  border-color: var(--ink);
}

/* -------------------------------- hero ------------------------------ */

.hero {
  position: relative;
  padding: 86px 0 64px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.hero .container {
  position: relative;
}

.hero-grid {
  position: absolute;
  inset: -60px -40px auto;
  height: 320px;
  background-image:
    repeating-linear-gradient(to right, var(--line) 0 1px, transparent 1px 88px);
  opacity: 0.5;
  mask-image: linear-gradient(to bottom, #000, transparent);
  pointer-events: none;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--rust-dark);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 7px 15px;
  background: var(--paper-2);
}

.hero-tag .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--rust);
}

.hero h1 {
  margin: 26px 0 18px;
  font-size: clamp(2.3rem, 5.6vw, 4.1rem);
  font-weight: 700;
  max-width: 17ch;
}

.hero h1 .gradient-text {
  color: var(--rust);
}

.caret {
  display: inline-block;
  width: 3px;
  height: 0.9em;
  margin-left: 6px;
  background: var(--gold);
  vertical-align: -0.08em;
  animation: blink 1.1s steps(2, start) infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

.hero-sub {
  max-width: 60ch;
  font-size: 1.12rem;
  color: var(--ink-soft);
}

.hero-prompt {
  margin: 26px 0 28px;
  padding: 16px 18px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius);
  min-height: 74px;
}

.hero-prompt-label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--ink-soft);
  margin-bottom: 6px;
}

.typewriter {
  font-size: 1.02rem;
  font-weight: 600;
}

.type-caret {
  display: inline-block;
  width: 2px;
  height: 1.05em;
  background: var(--rust);
  vertical-align: -0.16em;
  animation: blink 1.1s steps(2, start) infinite;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 13px 24px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: transform 0.16s ease, background 0.18s ease, color 0.18s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--rust);
  color: var(--paper-2);
  border-color: var(--rust);
}

.btn-primary:hover {
  background: var(--rust-dark);
  color: var(--paper-2);
  border-color: var(--rust-dark);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}

.btn-ghost:hover {
  color: var(--ink);
  background: var(--paper-3);
  border-color: var(--ink);
}

.hero-trust {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin-top: 42px;
  border-top: 1px solid var(--line);
}

.trust-item {
  padding: 18px 16px 4px 0;
  border-right: 1px solid var(--line);
}

.trust-item:last-child {
  border-right: 0;
}

.trust-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.trust-item span {
  font-size: 0.82rem;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ------------------------------ sections ---------------------------- */

section {
  padding: 68px 0;
}

.intro {
  padding-top: 56px;
}

.section-head {
  max-width: 60ch;
  margin-bottom: 38px;
}

.kicker {
  display: block;
  font-family: var(--font-display);
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  color: var(--rust);
  margin-bottom: 10px;
}

.section-head h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
}

.section-sub {
  color: var(--ink-soft);
  font-size: 1.04rem;
  margin: 0;
}

.visually-prominent {
  font-size: clamp(1.7rem, 3.2vw, 2.4rem);
}

/* --------------------------- editorial blocks ----------------------- */

.ai-bubble {
  position: relative;
  display: flex;
  gap: 20px;
  padding: 28px 0 32px;
  border-top: 1px solid var(--line);
}

.intro .ai-bubble,
.author .ai-bubble {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
}

.ai-avatar {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  color: var(--rust);
  background: var(--paper-2);
}

.ai-content {
  min-width: 0;
}

.ai-content h2 {
  font-size: clamp(1.5rem, 2.8vw, 2.05rem);
}

.ai-content h3 {
  font-size: 1.32rem;
}

.ai-content p {
  color: var(--ink-soft);
}

.ai-content > p:first-of-type {
  color: var(--ink);
  font-size: 1.06rem;
}

.user-bubble {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 46px 0 6px;
}

.user-content {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--ink);
  padding: 14px 18px;
  background: var(--paper-3);
  border-radius: var(--radius);
  border-left: 3px solid var(--ink);
}

.user-avatar {
  flex: 0 0 auto;
  font-family: var(--font-display);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--ink-soft);
}

/* ------------------------------ dossiers ---------------------------- */

.ai-bubble.agency {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  margin: 20px 0;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.ai-bubble.agency:hover {
  box-shadow: 0 14px 34px -22px rgba(27, 26, 23, 0.45);
  transform: translateY(-2px);
}

.ai-bubble.agency .ai-avatar {
  width: 58px;
  height: 58px;
  border-radius: var(--radius);
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper-2);
}

.rank {
  font-family: var(--font-display);
  font-size: 1.32rem;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.ai-bubble.agency:first-of-type .ai-avatar {
  background: var(--rust);
  border-color: var(--rust);
}

.agency-facts {
  list-style: none;
  padding: 0;
  margin: 18px 0;
  display: grid;
  gap: 2px;
}

.agency-facts li {
  padding: 11px 0;
  border-top: 1px dashed var(--line);
  color: var(--ink-soft);
  font-size: 0.97rem;
}

.agency-facts li strong {
  font-family: var(--font-display);
  letter-spacing: -0.01em;
}

.agency-link {
  display: inline-block;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink);
  background: var(--paper);
}

.agency-link:hover {
  background: var(--ink);
  color: var(--paper-2);
  border-color: var(--ink);
}

/* ----------------------------- methodology -------------------------- */

.methodology {
  background: var(--paper-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.method-card {
  background: var(--paper-2);
  padding: 26px;
}

.method-card h3 {
  font-size: 1.16rem;
}

.method-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.96rem;
}

.method-icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  margin-bottom: 14px;
  border-radius: var(--radius);
  background: var(--paper-3);
  color: var(--rust);
}

/* ------------------------------- warnings --------------------------- */

.ai-bubble.warning {
  background: #fdf6ef;
  border: 1px solid #e6cdb2;
  border-left: 4px solid var(--gold);
  border-radius: var(--radius);
  padding: 30px;
}

.warn-avatar {
  background: var(--gold);
  border-color: var(--gold);
  color: #fffdf9;
}

.red-flags {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 14px;
  counter-reset: flag;
}

.red-flags li {
  position: relative;
  padding-left: 40px;
  color: var(--ink-soft);
  counter-increment: flag;
}

.red-flags li::before {
  content: counter(flag, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--rust);
  border-bottom: 1px solid var(--rust);
}

/* ------------------------------ acronyms ---------------------------- */

.acronyms {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1px;
  margin: 18px 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.acronyms > div {
  background: var(--paper-2);
  padding: 18px 20px;
}

.acronyms dt {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--rust);
  margin-bottom: 4px;
  letter-spacing: 0.04em;
}

.acronyms dd {
  margin: 0;
  font-size: 0.93rem;
  color: var(--ink-soft);
}

/* ------------------------------- levers ----------------------------- */

.levers {
  display: grid;
  gap: 0;
  margin: 18px 0 6px;
}

.lever {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 18px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.lever-num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--line-strong);
  letter-spacing: -0.04em;
}

.lever h3 {
  font-size: 1.14rem;
  margin-bottom: 6px;
}

.lever p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.96rem;
}

/* ------------------------------- pricing ---------------------------- */

.pricing {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin: 20px 0 14px;
}

.price-card {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}

.price-card.featured {
  border-color: var(--ink);
  box-shadow: 6px 6px 0 var(--paper-3);
}

.price-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--rust);
  margin-bottom: 10px;
}

.price-card h3 {
  font-size: 1.14rem;
}

.price-value {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0 0 10px;
}

.price-card p {
  font-size: 0.93rem;
  color: var(--ink-soft);
}

.pricing-note {
  font-size: 0.93rem;
  color: var(--ink-soft);
  border-left: 3px solid var(--line-strong);
  padding-left: 14px;
}

/* ----------------------------- match list --------------------------- */

.match-list {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
}

.match-list li {
  display: grid;
  grid-template-columns: minmax(180px, 34%) 1fr;
  gap: 18px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.match-label {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--ink);
}

.match-value {
  color: var(--ink-soft);
  font-size: 0.96rem;
}

/* --------------------------------- faq ------------------------------ */

.faq {
  background: var(--paper-2);
  border-top: 1px solid var(--line);
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
  padding: 4px 0;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 40px 16px 0;
  position: relative;
  font-family: var(--font-display);
  font-size: 1.06rem;
  font-weight: 600;
  color: var(--ink);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 12px;
  font-size: 1.3rem;
  color: var(--rust);
}

.faq-item[open] summary::after {
  content: "–";
}

.faq-item p {
  margin: 0 0 16px;
  color: var(--ink-soft);
  max-width: 78ch;
}

/* ------------------------------ final cta --------------------------- */

.cta-final {
  padding-top: 20px;
}

.cta-box {
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius);
  padding: 48px 40px;
  text-align: center;
}

.cta-box h2 {
  color: var(--paper-2);
  font-size: clamp(1.7rem, 3.4vw, 2.4rem);
}

.cta-box p {
  max-width: 62ch;
  margin: 0 auto 24px;
  color: #d9d2c6;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.cta-box .btn-ghost {
  color: var(--paper);
  border-color: #5c564c;
}

.cta-box .btn-ghost:hover {
  background: #2a2823;
  color: var(--paper);
  border-color: var(--paper);
}

/* -------------------------------- author ---------------------------- */

.author .ai-bubble {
  align-items: flex-start;
}

.author-photo {
  flex: 0 0 auto;
  border: 0;
  display: block;
}

.author-photo img {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--line-strong);
}

.author-cta {
  margin-top: 8px;
}

/* -------------------------------- footer ---------------------------- */

.site-footer {
  background: var(--paper-3);
  border-top: 1px solid var(--line-strong);
  padding: 52px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 32px;
}

.footer-tag {
  color: var(--ink-soft);
  font-size: 0.92rem;
  margin-top: 12px;
  max-width: 34ch;
}

.site-footer h4 {
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--ink-soft);
  margin-bottom: 12px;
}

.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
}

.site-footer a {
  border: 0;
  color: var(--ink);
  font-size: 0.94rem;
}

.site-footer a:hover {
  color: var(--rust);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  margin-top: 36px;
  padding-top: 18px;
  border-top: 1px solid var(--line-strong);
  font-size: 0.85rem;
  color: var(--ink-soft);
}

/* ------------------------------- reveal ----------------------------- */

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .caret,
  .type-caret {
    animation: none;
  }
}

/* ------------------------------ responsive -------------------------- */

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-trust {
    grid-template-columns: repeat(2, 1fr);
  }

  .trust-item:nth-child(2) {
    border-right: 0;
  }
}

@media (max-width: 720px) {
  body {
    font-size: 16px;
  }

  .site-nav {
    display: none;
  }

  .nav-cta {
    margin-left: auto;
  }

  .hero {
    padding-top: 56px;
  }

  .ai-bubble,
  .ai-bubble.agency,
  .ai-bubble.warning,
  .intro .ai-bubble,
  .author .ai-bubble {
    flex-direction: column;
    gap: 14px;
    padding: 22px;
  }

  .match-list li,
  .lever {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .cta-box {
    padding: 32px 22px;
  }
}