/* ============================
   AIOS Landing  -  Qui Veut Rafraîchir Sa Ville
   Light, fresh, environmental. Brand: deep blue + bright green.
   Font: Montserrat (brand secondary, web-safe match for Separat).
   ============================ */

:root {
  --bg:          #ffffff;
  --bg-soft:     #f3f8fe;
  --bg-sky:      #eaf3ff;
  --sky:         #c0dffc;
  --line:        #dde8f4;
  --line-soft:   #eaf1f9;

  --navy:        #0a2540;
  --text:        #213b58;
  --text-soft:   #51688a;
  --text-mute:   #8095ad;

  --blue:        #0c4da2;
  --blue-2:      #005ca1;
  --blue-deep:   #083a7a;

  --green:       #0b9d33;
  --green-bright:#13c93a;
  --green-deep:  #0a7e29;
  --green-tint:  rgba(19, 201, 58, 0.10);
  --blue-tint:   rgba(12, 77, 162, 0.07);

  --maxw: 1140px;
  --maxw-narrow: 780px;
  --radius: 10px;
  --radius-sm: 6px;

  --font-sans: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
a { color: var(--blue); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--blue-deep); }

h1, h2, h3, h4 { color: var(--navy); }

/* ============================ NAV ============================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.brand-azuro {
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--navy);
  white-space: nowrap;
}
.brand-x { color: var(--green); font-weight: 600; }
.brand-logo { height: 34px; width: auto; }
.nav-right {
  display: flex;
  align-items: center;
  gap: 26px;
}
.nav-link {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-soft);
}
.nav-link:hover { color: var(--blue); }
.nav-cta {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 11px 20px;
  background: var(--green);
  color: #fff;
  border-radius: var(--radius-sm);
  transition: all 0.18s ease;
}
.nav-cta:hover {
  background: var(--green-deep);
  color: #fff;
  transform: translateY(-1px);
}
@media (max-width: 720px) {
  .nav-right { gap: 14px; }
  .nav-link { display: none; }
  .brand-azuro { font-size: 16px; }
}

/* ============================ HERO ============================ */
.hero {
  padding: 96px 32px 104px;
  background:
    radial-gradient(ellipse at 18% -10%, rgba(19, 201, 58, 0.10), transparent 52%),
    radial-gradient(ellipse at 92% 0%, rgba(12, 77, 162, 0.10), transparent 55%),
    var(--bg);
  border-bottom: 1px solid var(--line);
}
.hero-inner { max-width: var(--maxw); margin: 0 auto; }
.eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green);
  margin: 0 0 24px;
}
.hero h1 {
  font-weight: 800;
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.06;
  letter-spacing: -0.025em;
  margin: 0 0 30px;
  color: var(--navy);
}
.hero h1 em { color: var(--blue); font-style: normal; }
.hero h1 .g { color: var(--green); font-style: normal; }
.lede {
  font-size: 20px;
  line-height: 1.6;
  color: var(--text-soft);
  max-width: 700px;
  margin: 0 0 42px;
}
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin: 0 0 36px; }
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  font-size: 14px;
  color: var(--text-mute);
}
.hero-meta strong { color: var(--text); font-weight: 700; }
.hero-meta .dot { color: var(--green); }

/* ============================ BUTTONS ============================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: all 0.2s ease;
  cursor: pointer;
  border: 1px solid transparent;
  font-family: var(--font-sans);
}
.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { background: var(--green-deep); color: #fff; transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--blue); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue-deep); }

/* ============================ SECTIONS ============================ */
.section { padding: 100px 32px; border-bottom: 1px solid var(--line); }
.section-inner { max-width: var(--maxw); margin: 0 auto; }
.narrow { max-width: var(--maxw-narrow); }
.section-soft { background: var(--bg-soft); }
.section-sky {
  background:
    radial-gradient(ellipse at 50% 0%, rgba(192, 223, 252, 0.5), transparent 60%),
    var(--bg-sky);
}
.section-pitch { background: var(--bg-soft); padding-top: 120px; padding-bottom: 120px; }
.section-eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green);
  margin: 0 0 20px;
}
.section h2 {
  font-weight: 800;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 0 0 44px;
  color: var(--navy);
  max-width: 900px;
}
.section h2 em { color: var(--blue); font-style: normal; }
.section h2 .g { color: var(--green); font-style: normal; }
.big { font-size: 21px; line-height: 1.6; color: var(--text-soft); margin: 0 0 26px; }
.big:last-child { margin-bottom: 0; }
.big strong { color: var(--navy); font-weight: 700; }

/* ============================ GRIDS ============================ */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 880px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

/* ============================ CARDS (DEFIS) ============================ */
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 30px;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.card:hover {
  border-color: var(--sky);
  transform: translateY(-2px);
  box-shadow: 0 14px 40px -28px rgba(12, 77, 162, 0.5);
}
.card h3 { font-size: 21px; font-weight: 700; margin: 0 0 12px; color: var(--navy); }
.card p { margin: 0; color: var(--text-soft); font-size: 16px; line-height: 1.6; }

/* ============================ USE CASES (PRIORITES) ============================ */
.uc {
  background: #fff;
  border: 1px solid var(--line);
  border-left: 4px solid var(--green);
  border-radius: var(--radius);
  padding: 30px 30px 28px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.uc:hover { transform: translateY(-2px); box-shadow: 0 16px 44px -30px rgba(12, 77, 162, 0.55); }
.uc-tag {
  font-size: 11px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--green); margin: 0 0 12px;
}
.uc h3 { font-size: 22px; font-weight: 700; margin: 0 0 12px; color: var(--navy); }
.uc p { margin: 0; color: var(--text-soft); font-size: 16px; line-height: 1.62; }
.uc p em { color: var(--blue); font-style: italic; font-weight: 600; }

/* ============================ FEATURES ============================ */
.feature { border-top: 2px solid var(--line); padding-top: 28px; padding-bottom: 8px; }
.feature-num {
  font-size: 13px; font-weight: 800; color: var(--green);
  letter-spacing: 0.08em; margin-bottom: 12px;
}
.feature h3 { font-size: 21px; font-weight: 700; margin: 0 0 10px; color: var(--navy); }
.feature p { margin: 0; color: var(--text-soft); font-size: 15px; line-height: 1.62; }

/* ============================ DIFFERENCIATEURS ============================ */
.diff-list { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.diff-row {
  display: grid; grid-template-columns: 280px 1fr; gap: 48px;
  padding: 32px 0; border-bottom: 1px solid var(--line);
}
.diff-label { font-size: 22px; font-weight: 800; color: var(--blue); letter-spacing: -0.01em; }
.diff-body p { margin: 0; font-size: 17px; line-height: 1.62; color: var(--text-soft); }
@media (max-width: 820px) {
  .diff-row { grid-template-columns: 1fr; gap: 10px; padding: 26px 0; }
  .diff-label { font-size: 20px; }
}

/* ============================ SECURITE ============================ */
.security-list { display: flex; flex-direction: column; gap: 24px; margin-top: 44px; }
.security-item { display: grid; grid-template-columns: 38px 1fr; gap: 20px; align-items: start; }
.security-tick {
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--green-tint); color: var(--green-deep);
  display: flex; align-items: center; justify-content: center;
  font-size: 17px; font-weight: 800; flex-shrink: 0;
}
.security-item h4 { font-size: 20px; font-weight: 700; margin: 0 0 8px; color: var(--navy); }
.security-item p { margin: 0; color: var(--text-soft); font-size: 16px; line-height: 1.6; }

/* ============================ USAGE ============================ */
.usage-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 48px 56px; }
@media (max-width: 820px) { .usage-grid { grid-template-columns: 1fr; gap: 36px; } }
.usage-num { font-size: 30px; font-weight: 800; color: var(--green); margin-bottom: 8px; }
.usage-step h3 { font-size: 22px; font-weight: 700; color: var(--navy); margin: 0 0 10px; }
.usage-step p { margin: 0; color: var(--text-soft); font-size: 16px; line-height: 1.62; }
.usage-step p em { color: var(--blue); font-style: italic; font-weight: 600; }

/* ============================ PROOF ============================ */
.proof-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 980px) { .proof-grid { grid-template-columns: 1fr; } }
.proof {
  border: 1px solid var(--line); background: #fff; border-radius: var(--radius);
  padding: 32px 30px; display: flex; flex-direction: column; gap: 16px;
}
.proof-tag { font-size: 11px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--green); }
.proof h3 { font-size: 24px; font-weight: 700; margin: 0; color: var(--navy); }
.proof p { margin: 0; font-size: 15px; line-height: 1.62; color: var(--text-soft); }

/* ============================ DOCUMENTS ============================ */
.docs-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
@media (max-width: 760px) { .docs-grid { grid-template-columns: 1fr; } }
.doc-card {
  display: flex; align-items: center; gap: 18px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 26px; transition: border-color 0.18s, transform 0.18s, box-shadow 0.18s;
  box-shadow: 0 18px 50px -42px rgba(12,77,162,0.55);
}
.doc-card:hover { border-color: var(--green); transform: translateY(-3px); box-shadow: 0 20px 50px -32px rgba(12,77,162,0.55); }
.doc-icon {
  width: 56px; height: 56px; flex-shrink: 0; border-radius: 12px;
  background: var(--blue-tint); color: var(--blue);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 800; letter-spacing: 0.04em;
}
.doc-body { min-width: 0; flex: 1; }
.doc-title { font-size: 17px; font-weight: 700; color: var(--navy); margin: 0 0 4px; }
.doc-meta { font-size: 13px; color: var(--text-mute); margin: 0; line-height: 1.45; }
.doc-btn {
  flex-shrink: 0; align-self: center;
  background: var(--green); color: #fff;
  font-size: 13px; font-weight: 700; letter-spacing: 0.01em;
  padding: 11px 18px; border-radius: var(--radius-sm);
  transition: background 0.16s, transform 0.16s; white-space: nowrap;
}
.doc-card:hover .doc-btn { background: var(--green-deep); }
.docs-note { font-size: 14px; color: var(--text-mute); margin: 24px 0 0; text-align: center; }
@media (max-width: 460px) {
  .doc-card { flex-wrap: wrap; gap: 14px; }
  .doc-btn { width: 100%; text-align: center; }
}

/* ============================ OFFER ============================ */
.section-offer {
  background:
    radial-gradient(ellipse at 50% 0%, rgba(19, 201, 58, 0.10), transparent 52%),
    var(--bg-sky);
  padding: 110px 32px;
}
.offer-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 50px 50px 42px; display: flex; flex-direction: column; gap: 32px;
  box-shadow: 0 30px 80px -50px rgba(12, 77, 162, 0.4);
}
@media (max-width: 720px) { .offer-card { padding: 32px 24px; } }
.offer-step { display: grid; grid-template-columns: 46px 1fr; gap: 20px; align-items: start; }
.offer-step-num {
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--green); color: #fff;
  font-size: 20px; font-weight: 800;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.offer-step h3 { font-size: 21px; font-weight: 700; margin: 4px 0 8px; color: var(--navy); }
.offer-step p { margin: 0; font-size: 16px; line-height: 1.6; color: var(--text-soft); }

.pricing { border-top: 1px solid var(--line); padding-top: 32px; margin-top: 8px; }
.pricing-amount { display: flex; align-items: baseline; gap: 6px; margin-bottom: 24px; }
.pricing-currency { font-size: 30px; font-weight: 700; color: var(--blue); }
.pricing-number { font-size: 66px; font-weight: 800; line-height: 1; color: var(--navy); letter-spacing: -0.03em; }
.pricing-period { font-size: 15px; color: var(--text-soft); margin-left: 8px; font-weight: 600; }
.pricing-includes {
  list-style: none; padding: 0; margin: 0 0 22px;
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 26px;
}
@media (max-width: 720px) { .pricing-includes { grid-template-columns: 1fr; } }
.pricing-includes li { position: relative; padding-left: 26px; font-size: 15px; color: var(--text-soft); line-height: 1.5; }
.pricing-includes li::before {
  content: "\2713"; position: absolute; left: 0; top: 0;
  color: var(--green); font-weight: 800;
}
.pricing-note {
  font-size: 13px; color: var(--text-mute); line-height: 1.55; margin: 0;
  padding-top: 14px; border-top: 1px dashed var(--line);
}

.offer-cta { margin-top: 40px; text-align: center; }
.offer-cta-prompt { font-size: 15px; color: var(--text-soft); margin: 0 0 16px; font-weight: 600; }
.contact-card {
  display: inline-flex; align-items: stretch;
  border: 1px solid var(--green); border-radius: var(--radius-sm); overflow: hidden; max-width: 100%;
}
.contact-email {
  display: inline-flex; align-items: center; padding: 16px 24px;
  font-size: 18px; font-weight: 700; color: var(--green-deep);
  background: var(--green-tint); word-break: break-all; transition: background 0.15s;
}
.contact-email:hover { background: rgba(19, 201, 58, 0.16); color: var(--green-deep); }
.contact-copy {
  display: inline-flex; align-items: center; justify-content: center; padding: 0 22px;
  font-family: var(--font-sans); font-size: 13px; font-weight: 700;
  letter-spacing: 0.04em; text-transform: uppercase;
  background: var(--green); color: #fff; border: none; cursor: pointer;
  transition: background 0.15s; min-width: 104px;
}
.contact-copy:hover { background: var(--green-deep); }
.contact-copy.copied { background: var(--blue); color: #fff; }
@media (max-width: 540px) {
  .contact-card { flex-direction: column; }
  .contact-copy { padding: 14px 22px; }
  .contact-email { font-size: 16px; padding: 14px 18px; }
}
.offer-cta-note { margin: 18px 0 0; font-size: 14px; color: var(--text-mute); }

/* ============================ TRANSCRIPT POINTER ============================ */
.transcript-pointer { margin-top: 52px; padding-top: 34px; border-top: 1px solid var(--line); }
.transcript-link {
  display: inline-flex; align-items: center; gap: 18px;
  padding: 20px 26px; border: 1px solid var(--line); border-radius: var(--radius);
  background: #fff; transition: border-color 0.18s, transform 0.18s, box-shadow 0.18s; text-align: left;
}
.transcript-link:hover { border-color: var(--green); transform: translateX(2px); box-shadow: 0 14px 40px -30px rgba(12,77,162,0.5); }
.transcript-link-arrow { font-size: 24px; color: var(--green); line-height: 1; font-weight: 800; }
.transcript-link-body { display: flex; flex-direction: column; gap: 4px; }
.transcript-link-title { font-size: 19px; font-weight: 700; color: var(--navy); }
.transcript-link-meta { font-size: 13px; color: var(--text-mute); }

/* ============================ CLOSE ============================ */
.section-close { background: var(--bg); padding: 96px 32px 110px; }
.signature { font-size: 20px; font-weight: 700; color: var(--blue); margin: 32px 0 0; }
.signature span { display: block; font-size: 14px; font-weight: 600; color: var(--text-mute); margin-top: 2px; }

/* ============================ FOOTER ============================ */
.footer { background: var(--navy); padding: 36px 32px; }
.footer-inner {
  max-width: var(--maxw); margin: 0 auto;
  display: flex; justify-content: space-between; align-items: flex-start; gap: 32px; flex-wrap: wrap;
}
.footer .brand-azuro { color: #fff; }
.footer-mini { margin: 12px 0 0; color: #9fb6d4; font-size: 13px; max-width: 360px; }
.footer-meta { text-align: right; font-size: 13px; color: #9fb6d4; }
.footer-meta p { margin: 0 0 4px; }
.footer-meta a { color: #cfe0f4; }
@media (max-width: 640px) {
  .nav-inner { padding: 12px 18px; }
  .hero { padding: 64px 20px 76px; }
  .section { padding: 70px 20px; }
  .footer { padding: 28px 20px; }
  .footer-meta { text-align: left; }
}