/* ==========================================================
   Landing Page (HTML + CSS uniquement)
   Palette : bleu / gris / blanc
   ========================================================== */

:root {
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --text: #0f172a;
  --muted: #475569;
  --border: #e5e7eb;
  --shadow: 0 12px 30px rgba(2, 6, 23, 0.08);

  --primary: #1d4ed8;
  --primary-600: #1e40af;
  --primary-soft: #e8efff;
  --accent: #0ea5e9;

  --radius: 16px;
  --radius-lg: 22px;
  --container: 1120px;

  --focus: 0 0 0 4px rgba(29, 78, 216, 0.22);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    Segoe UI,
    Roboto,
    Helvetica,
    Arial,
    "Apple Color Emoji",
    "Segoe UI Emoji";
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

a:focus-visible,
button:focus-visible {
  outline: none;
  box-shadow: var(--focus);
  border-radius: 10px;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: 12px;
  background: #ffffff;
  border: 1px solid var(--border);
  padding: 10px 12px;
  border-radius: 12px;
  box-shadow: var(--shadow);
  transform: translateY(-160%);
  transition: transform 0.18s ease;
  z-index: 9999;
}

.skip-link:focus {
  transform: translateY(0);
}

/* ================= Header ================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(229, 231, 235, 0.7);
  backdrop-filter: blur(10px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0.2px;
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--primary-soft);
  border: 1px solid rgba(29, 78, 216, 0.12);
}

.brand-mark svg {
  width: 22px;
  height: 22px;
  fill: var(--primary);
}

.brand-name {
  font-size: 1rem;
}

.nav-toggle {
  display: none;
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.nav-toggle-btn {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: 1px solid rgba(229, 231, 235, 0.95);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 10px 22px rgba(2, 6, 23, 0.06);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.nav-toggle-btn:hover {
  background: rgba(15, 23, 42, 0.02);
}

.nav-toggle-icon {
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 999px;
  position: relative;
  display: inline-block;
  transition: background-color 0.18s ease;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 999px;
  transition:
    transform 0.18s ease,
    top 0.18s ease,
    opacity 0.18s ease;
}

.nav-toggle-icon::before {
  top: -6px;
}

.nav-toggle-icon::after {
  top: 6px;
}

.nav-toggle:checked + .nav-toggle-btn .nav-toggle-icon {
  background: transparent;
}

.nav-toggle:checked + .nav-toggle-btn .nav-toggle-icon::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle:checked + .nav-toggle-btn .nav-toggle-icon::after {
  top: 0;
  transform: rotate(-45deg);
}

.nav-toggle:focus-visible + .nav-toggle-btn {
  outline: none;
  box-shadow: var(--focus);
}

.nav {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-link {
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.95rem;
}

.nav-link:hover {
  background: rgba(15, 23, 42, 0.04);
  text-decoration: none;
}

.nav-cta {
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--primary);
  color: #ffffff;
  font-weight: 700;
  box-shadow: 0 8px 20px rgba(29, 78, 216, 0.22);
}

.nav-cta:hover {
  text-decoration: none;
  background: var(--primary-600);
}

/* ================= Hero ================= */

.hero {
  background:
    radial-gradient(900px 420px at 18% 20%, rgba(29, 78, 216, 0.16), transparent 60%),
    radial-gradient(740px 320px at 80% 0%, rgba(14, 165, 233, 0.14), transparent 55%),
    linear-gradient(180deg, #ffffff 0%, var(--bg-soft) 100%);
  border-bottom: 1px solid var(--border);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 42px;
  padding: 52px 0 40px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  font-weight: 700;
  color: var(--primary);
  background: rgba(29, 78, 216, 0.08);
  border: 1px solid rgba(29, 78, 216, 0.12);
  padding: 8px 12px;
  border-radius: 999px;
  margin: 0 0 16px;
  font-size: 0.9rem;
}

.hero h1 {
  margin: 0 0 14px;
  font-size: clamp(2rem, 3.2vw, 3.15rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.hero-subtitle {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 58ch;
}

.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 22px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(229, 231, 235, 0.9);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 10px 20px rgba(2, 6, 23, 0.04);
  font-weight: 650;
  color: rgba(15, 23, 42, 0.92);
  font-size: 0.95rem;
}

.pill-icon {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--primary-soft);
  border: 1px solid rgba(29, 78, 216, 0.12);
}

.pill-icon svg {
  width: 16px;
  height: 16px;
  fill: var(--primary);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 0 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 14px;
  font-weight: 750;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    transform 0.15s ease,
    background-color 0.15s ease,
    border-color 0.15s ease;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn-icon svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.btn-primary {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 12px 26px rgba(29, 78, 216, 0.26);
}

.btn-primary:hover {
  background: var(--primary-600);
}

.btn-secondary {
  background: #ffffff;
  color: var(--text);
  border-color: rgba(229, 231, 235, 0.95);
  box-shadow: 0 12px 26px rgba(2, 6, 23, 0.06);
}

.btn-secondary:hover {
  background: rgba(15, 23, 42, 0.02);
}

.btn-block {
  width: 100%;
}

.hero-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.hero-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(229, 231, 235, 0.9);
  box-shadow: var(--shadow);
  background: #ffffff;
}

.hero-photo {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(1.05) contrast(1.02);
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(2, 6, 23, 0.01) 0%, rgba(2, 6, 23, 0.18) 100%),
    radial-gradient(460px 220px at 25% 20%, rgba(29, 78, 216, 0.12), transparent 55%);
  pointer-events: none;
}

.hero-card {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 1;
  border-radius: 18px;
  padding: 14px 14px 16px;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(229, 231, 235, 0.9);
  backdrop-filter: blur(10px);
}

.hero-card-row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 10px;
}

.tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(29, 78, 216, 0.1);
  border: 1px solid rgba(29, 78, 216, 0.16);
  color: var(--primary);
  font-weight: 750;
  font-size: 0.82rem;
}

.tag-soft {
  background: rgba(14, 165, 233, 0.08);
  border-color: rgba(14, 165, 233, 0.16);
  color: #0369a1;
}

.hero-card-title {
  margin: 0 0 6px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.hero-card-text {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* ================= Sections ================= */

.section {
  padding: 62px 0;
}

.section-alt {
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-head {
  max-width: 74ch;
  margin: 0 auto 26px;
  text-align: center;
}

.section-head h2 {
  margin: 0 0 10px;
  font-size: clamp(1.6rem, 2.3vw, 2.15rem);
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.card {
  background: #ffffff;
  border: 1px solid rgba(229, 231, 235, 0.95);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: 0 10px 22px rgba(2, 6, 23, 0.05);
}

.card-compact {
  padding: 16px;
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--primary-soft);
  border: 1px solid rgba(29, 78, 216, 0.12);
  margin-bottom: 12px;
}

.card-icon svg {
  width: 22px;
  height: 22px;
  fill: var(--primary);
}

.card h3 {
  margin: 0 0 8px;
  font-size: 1.06rem;
  letter-spacing: -0.01em;
}

.card p {
  margin: 0;
  color: var(--muted);
}

/* ================= Split layout ================= */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: center;
}

.split-reverse {
  direction: rtl;
}

.split-reverse > * {
  direction: ltr;
}

.split-copy .section-head {
  text-align: left;
  margin: 0 0 18px;
}

.split-copy .section-head p {
  font-size: 1.02rem;
}

.illustration {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(229, 231, 235, 0.95);
  box-shadow: var(--shadow);
  background: #ffffff;
}

.illustration svg {
  width: 100%;
  height: auto;
  display: block;
}

.checklist {
  list-style: none;
  padding: 0;
  margin: 0 0 18px;
  display: grid;
  gap: 10px;
}

.checklist li {
  position: relative;
  padding-left: 32px;
  color: rgba(15, 23, 42, 0.92);
  font-weight: 650;
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.22rem;
  width: 20px;
  height: 20px;
  border-radius: 999px;
  background: rgba(34, 197, 94, 0.14);
  border: 1px solid rgba(34, 197, 94, 0.18);
}

.checklist li::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 0.48rem;
  width: 9px;
  height: 5px;
  border-left: 3px solid rgba(34, 197, 94, 0.95);
  border-bottom: 3px solid rgba(34, 197, 94, 0.95);
  transform: rotate(-45deg);
}

.inline-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ================= Media points ================= */

.media-points {
  display: grid;
  gap: 10px;
}

.point {
  margin: 0;
  padding: 14px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(229, 231, 235, 0.9);
}

.point strong {
  color: var(--text);
}

/* ================= Pricing ================= */

.pricing {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  align-items: start;
}

.price-card {
  border-radius: var(--radius-lg);
  border: 1px solid rgba(29, 78, 216, 0.22);
  background: linear-gradient(180deg, rgba(29, 78, 216, 0.06), rgba(255, 255, 255, 0.9));
  box-shadow: 0 18px 40px rgba(29, 78, 216, 0.12);
  padding: 20px;
}

.price-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 10px;
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(245, 158, 11, 0.14);
  border: 1px solid rgba(245, 158, 11, 0.22);
  color: #92400e;
  font-weight: 800;
  white-space: nowrap;
}

.price-name {
  margin: 0;
  font-weight: 900;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

.price-desc {
  margin: 4px 0 0;
  color: var(--muted);
}

.price-figures {
  margin: 16px 0 10px;
}

.old-price {
  margin: 0 0 6px;
  color: rgba(71, 85, 105, 0.95);
  text-decoration: line-through;
  font-weight: 700;
}

.new-price {
  margin: 0;
  font-weight: 950;
  letter-spacing: -0.02em;
  font-size: clamp(2.05rem, 3.2vw, 2.6rem);
  color: var(--primary);
}

.per {
  font-size: 1rem;
  color: var(--muted);
  font-weight: 800;
}

.price-list {
  margin: 14px 0 18px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.price-list li {
  padding-left: 28px;
  position: relative;
  color: rgba(15, 23, 42, 0.92);
  font-weight: 650;
}

.price-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.18rem;
  width: 18px;
  height: 18px;
  border-radius: 6px;
  background: var(--primary-soft);
  border: 1px solid rgba(29, 78, 216, 0.18);
}

.price-list li::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 0.44rem;
  width: 8px;
  height: 4px;
  border-left: 3px solid rgba(29, 78, 216, 0.95);
  border-bottom: 3px solid rgba(29, 78, 216, 0.95);
  transform: rotate(-45deg);
}

.price-actions {
  display: grid;
  gap: 10px;
}

.urgency {
  margin: 14px 0 0;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.14);
  color: #991b1b;
  font-weight: 700;
}

.trust {
  background: #ffffff;
  border: 1px solid rgba(229, 231, 235, 0.95);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: 0 10px 22px rgba(2, 6, 23, 0.05);
}

.trust-illu {
  margin-bottom: 14px;
}

.trust h3 {
  margin: 0 0 8px;
  font-size: 1.18rem;
  letter-spacing: -0.01em;
}

.trust p {
  margin: 0 0 14px;
  color: var(--muted);
}

.trust-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 0;
}

.trust-facts div {
  background: rgba(15, 23, 42, 0.02);
  border: 1px solid rgba(229, 231, 235, 0.9);
  border-radius: 14px;
  padding: 12px;
}

.trust-facts dt {
  color: var(--muted);
  font-weight: 800;
  font-size: 0.9rem;
  margin: 0 0 2px;
}

.trust-facts dd {
  margin: 0;
  font-weight: 900;
  letter-spacing: -0.01em;
}

/* ================= Final CTA ================= */

.section-cta {
  background:
    radial-gradient(860px 420px at 12% 10%, rgba(29, 78, 216, 0.2), transparent 55%),
    radial-gradient(740px 360px at 90% 12%, rgba(14, 165, 233, 0.14), transparent 55%),
    linear-gradient(180deg, var(--bg-soft) 0%, #ffffff 100%);
  border-top: 1px solid var(--border);
}

.cta-box {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 18px;
  padding: 26px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(29, 78, 216, 0.18);
  background: rgba(255, 255, 255, 0.85);
  box-shadow: 0 18px 40px rgba(2, 6, 23, 0.08);
}

.cta-copy h2 {
  margin: 0 0 8px;
  font-size: clamp(1.7rem, 2.4vw, 2.2rem);
  letter-spacing: -0.02em;
}

.cta-copy p {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 1.05rem;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 0 16px;
}

.contact-details {
  display: grid;
  gap: 6px;
  color: rgba(15, 23, 42, 0.92);
  font-weight: 700;
}

.contact-details p {
  margin: 0;
}

.contact-details a {
  color: var(--primary);
  font-weight: 800;
}

.contact-details a:hover {
  text-decoration: underline;
}

.cta-side {
  display: grid;
  gap: 12px;
}

.mini-card {
  background: #ffffff;
  border: 1px solid rgba(229, 231, 235, 0.95);
  border-radius: var(--radius);
  padding: 14px;
  box-shadow: 0 10px 22px rgba(2, 6, 23, 0.05);
}

.mini-card-soft {
  background: rgba(29, 78, 216, 0.06);
  border-color: rgba(29, 78, 216, 0.14);
}

.mini-title {
  margin: 0 0 10px;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.mini-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  display: grid;
  gap: 6px;
}

.mini-text {
  margin: 0;
  color: rgba(15, 23, 42, 0.9);
  font-weight: 650;
}

/* ================= Footer ================= */

.site-footer {
  border-top: 1px solid var(--border);
  background: #ffffff;
}

.footer-inner {
  padding: 22px 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.footer-copy,
.footer-note {
  margin: 0;
  color: var(--muted);
  font-weight: 650;
}

.footer-note a {
  color: var(--primary);
  font-weight: 800;
}

.go-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: 46px;
  height: 46px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(229, 231, 235, 0.95);
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition:
    opacity 0.18s ease,
    transform 0.18s ease,
    background-color 0.18s ease;
  z-index: 1200;
}

.go-top svg {
  width: 20px;
  height: 20px;
  fill: var(--primary);
}

.go-top:hover {
  text-decoration: none;
  background: rgba(255, 255, 255, 0.96);
}

.go-top.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.go-top:focus-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* ================= Responsive ================= */

@media (max-width: 980px) {
  .container {
    padding: 0 28px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    padding: 44px 0 34px;
  }

  .hero-media {
    order: -1;
  }

  .split,
  .pricing,
  .cta-box {
    grid-template-columns: 1fr;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .section-head {
    text-align: left;
    margin-left: 0;
  }
}

@media (max-width: 820px) {
  .header-inner {
    position: relative;
  }

  .nav-toggle {
    display: block;
  }

  .nav-toggle-btn {
    display: inline-flex;
  }

  .nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    display: grid;
    gap: 8px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(229, 231, 235, 0.95);
    border-radius: 18px;
    box-shadow: var(--shadow);
    transform: translateY(-6px);
    opacity: 0;
    pointer-events: none;
    max-height: 0;
    overflow: hidden;
    transition:
      transform 0.18s ease,
      opacity 0.18s ease,
      max-height 0.18s ease;
  }

  .nav-toggle:checked ~ .nav {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
    max-height: 420px;
  }

  .nav-link,
  .nav-cta {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
}

@media (max-width: 560px) {
  .container {
    padding: 0 24px;
  }

  .nav {
    gap: 6px;
  }

  .nav-link {
    padding: 8px 10px;
    font-size: 0.92rem;
  }

  .nav-cta {
    padding: 9px 12px;
  }

  .grid-4 {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    display: grid;
  }

  .btn {
    width: 100%;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .btn {
    transition: none;
  }

  .skip-link {
    transition: none;
  }
}