/* ================================
   FRANCOIS DIGITAL — style.css simplifié
   Site vitrine léger : email + appel uniquement
   ================================ */

/* ---------- Variables ---------- */

:root {
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-surface-soft: #eff6ff;
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-soft: #dbeafe;
  --color-dark: #0f172a;
  --color-text: #334155;
  --color-muted: #64748b;
  --color-border: #e2e8f0;
  --color-warning: #f97316;
  --color-success: #16a34a;

  --shadow-sm: 0 8px 24px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 18px 45px rgba(15, 23, 42, 0.1);
  --shadow-lg: 0 24px 70px rgba(15, 23, 42, 0.14);

  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --radius-pill: 999px;

  --container: 1120px;
  --transition: 180ms ease;
}

/* ---------- Reset simple ---------- */

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

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

body {
  margin: 0;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    Arial,
    sans-serif;
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.1), transparent 32rem),
    var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  font-size: 16px;
}

img,
svg,
video,
canvas {
  max-width: 100%;
  display: block;
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

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

p,
h1,
h2,
h3,
ul {
  margin-top: 0;
}

p:last-child,
ul:last-child {
  margin-bottom: 0;
}

::selection {
  background: var(--color-primary);
  color: #ffffff;
}

/* ---------- Layout global ---------- */

.container {
  width: min(100% - 32px, var(--container));
  margin-inline: auto;
}

.section {
  padding: 88px 0;
}

.section-light {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.7), rgba(239, 246, 255, 0.7));
  border-top: 1px solid rgba(226, 232, 240, 0.8);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 42px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  color: var(--color-primary);
  font-size: 0.84rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
}

h1,
h2,
h3 {
  color: var(--color-dark);
  line-height: 1.12;
  letter-spacing: -0.035em;
}

h1 {
  margin-bottom: 22px;
  font-size: clamp(2.35rem, 7vw, 4.8rem);
  max-width: 860px;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(1.9rem, 4vw, 3.05rem);
}

h3 {
  margin-bottom: 12px;
  font-size: 1.18rem;
}

p {
  margin-bottom: 18px;
}

strong {
  color: var(--color-dark);
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(248, 250, 252, 0.88);
  border-bottom: 1px solid rgba(226, 232, 240, 0.85);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.header-content {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--color-dark);
  font-weight: 900;
  letter-spacing: -0.04em;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--color-primary), #60a5fa);
  color: #ffffff;
  font-size: 0.92rem;
  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.25);
}

.brand-text {
  font-size: 0.98rem;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-nav a {
  padding: 10px 12px;
  border-radius: var(--radius-pill);
  color: var(--color-text);
  font-size: 0.94rem;
  font-weight: 700;
  transition:
    color var(--transition),
    background var(--transition);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--color-primary);
  background: var(--color-primary-soft);
  outline: none;
}

.site-nav .nav-cta {
  margin-left: 6px;
  background: var(--color-dark);
  color: #ffffff;
}

.site-nav .nav-cta:hover,
.site-nav .nav-cta:focus-visible {
  background: var(--color-primary);
  color: #ffffff;
}

/* ---------- Menu mobile ---------- */

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: var(--color-surface);
  padding: 10px;
  box-shadow: var(--shadow-sm);
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  margin: 5px 0;
  border-radius: var(--radius-pill);
  background: var(--color-dark);
  transition:
    transform var(--transition),
    opacity var(--transition);
}

.nav-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Boutons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-weight: 850;
  line-height: 1.1;
  text-align: center;
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    background var(--transition),
    border-color var(--transition),
    color var(--transition);
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
  outline: none;
}

.btn-primary {
  background: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 16px 34px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--color-primary-dark);
  box-shadow: 0 18px 40px rgba(37, 99, 235, 0.35);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-dark);
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: var(--color-primary);
  color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: rgba(37, 99, 235, 0.35);
}

.btn-outline:hover,
.btn-outline:focus-visible {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

/* ---------- Hero ---------- */

.hero {
  padding: 96px 0 88px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(320px, 0.7fr);
  gap: 48px;
  align-items: center;
}

.hero-subtitle {
  max-width: 720px;
  color: var(--color-text);
  font-size: clamp(1.04rem, 2vw, 1.25rem);
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 34px 0 22px;
}

.simple-contact {
  margin: 0 0 22px;
  color: var(--color-muted);
}

.simple-contact a {
  color: var(--color-primary);
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.hero-note {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.hero-note span {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.78);
}

.hero-card,
.about-card,
.promise-card,
.cta-box,
.contact-card,
.email-help {
  border: 1px solid rgba(226, 232, 240, 0.92);
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.hero-card {
  position: relative;
  overflow: hidden;
  padding: 34px;
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 7px;
  background: linear-gradient(90deg, var(--color-primary), #60a5fa);
}

.card-label {
  display: inline-flex;
  margin-bottom: 18px;
  padding: 7px 12px;
  border-radius: var(--radius-pill);
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
  font-size: 0.82rem;
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ---------- Cards générales ---------- */

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.info-card,
.service-card,
.pricing-card,
.step {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.info-card {
  padding: 28px;
}

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

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.service-card {
  padding: 28px;
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    border-color var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(37, 99, 235, 0.35);
  box-shadow: var(--shadow-md);
}

.service-card .icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 16px;
  background: var(--color-surface-soft);
  font-size: 1.35rem;
}

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

/* ---------- Listes ---------- */

.check-list,
.warning-list {
  padding-left: 0;
  list-style: none;
}

.check-list li,
.warning-list li {
  position: relative;
  margin-bottom: 10px;
  padding-left: 30px;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  width: 21px;
  height: 21px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(22, 163, 74, 0.12);
  color: var(--color-success);
  font-size: 0.82rem;
  font-weight: 950;
}

.warning-list li::before {
  content: "!";
  position: absolute;
  left: 0;
  top: 1px;
  width: 21px;
  height: 21px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(249, 115, 22, 0.12);
  color: var(--color-warning);
  font-size: 0.82rem;
  font-weight: 950;
}

/* ---------- Offres ---------- */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  align-items: stretch;
}

.pricing-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 30px;
}

.pricing-card.featured {
  border-color: rgba(37, 99, 235, 0.55);
  box-shadow: var(--shadow-lg);
  transform: translateY(-8px);
}

.badge {
  position: absolute;
  top: 18px;
  right: 18px;
  padding: 7px 11px;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
  color: #ffffff;
  font-size: 0.76rem;
  font-weight: 850;
}

.pricing-top {
  padding-right: 92px;
}

.price {
  margin-bottom: 18px;
  color: var(--color-primary);
  font-size: 1.65rem;
  font-weight: 950;
  letter-spacing: -0.04em;
}

.pricing-description {
  color: var(--color-muted);
}

.pricing-card .check-list {
  margin-bottom: 26px;
}

.pricing-card .btn {
  margin-top: auto;
}

.subscription-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin-top: 24px;
  padding: 30px;
  border: 1px solid rgba(37, 99, 235, 0.22);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #ffffff, var(--color-surface-soft));
  box-shadow: var(--shadow-sm);
}

.subscription-card h3 {
  font-size: 1.45rem;
}

.subscription-card p {
  max-width: 780px;
  color: var(--color-muted);
}

/* ---------- CTA ---------- */

.cta-section {
  background:
    radial-gradient(circle at top right, rgba(96, 165, 250, 0.28), transparent 28rem),
    linear-gradient(135deg, #0f172a, #172554);
  color: rgba(255, 255, 255, 0.88);
}

.cta-box {
  max-width: 900px;
  margin-inline: auto;
  padding: 46px;
  text-align: center;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.06));
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.22);
}

.cta-box .eyebrow {
  color: #93c5fd;
}

.cta-box .eyebrow::before {
  background: #93c5fd;
}

.cta-box h2 {
  color: #ffffff;
}

.cta-box p {
  max-width: 680px;
  margin-inline: auto;
}

.cta-box .btn-secondary {
  background: #ffffff;
}

/* ---------- Méthode ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.step {
  padding: 26px;
}

.step span {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 14px;
  background: var(--color-primary);
  color: #ffffff;
  font-weight: 950;
  box-shadow: 0 14px 30px rgba(37, 99, 235, 0.25);
}

.step p {
  color: var(--color-muted);
}

/* ---------- À propos ---------- */

.about-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 42px;
  align-items: start;
}

.about-card,
.promise-card {
  padding: 34px;
}

.about-card p,
.promise-card p {
  color: var(--color-muted);
}

.promise-card h3:not(:first-child) {
  margin-top: 28px;
}

/* ---------- Contact simple ---------- */

.contact-simple {
  max-width: 980px;
}

.contact-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  margin-bottom: 24px;
}

.contact-card {
  padding: 30px;
}

.contact-card h3 {
  font-size: 1.35rem;
}

.contact-card p {
  margin-bottom: 24px;
  color: var(--color-muted);
  word-break: break-word;
}

.contact-card p a {
  color: var(--color-primary);
  font-size: 1.08rem;
  font-weight: 900;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.contact-card .btn {
  width: 100%;
}

.email-help {
  padding: 30px;
}

.email-help p {
  color: var(--color-muted);
}

/* ---------- Footer ---------- */

.site-footer {
  padding: 56px 0 26px;
  background: var(--color-dark);
  color: rgba(255, 255, 255, 0.78);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.7fr 1fr;
  gap: 34px;
  padding-bottom: 34px;
}

.footer-brand {
  margin-bottom: 16px;
  color: #ffffff;
}

.site-footer h3 {
  margin-bottom: 16px;
  color: #ffffff;
  font-size: 1rem;
}

.site-footer ul {
  padding-left: 0;
  list-style: none;
}

.site-footer li {
  margin-bottom: 9px;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.84);
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: #ffffff;
  text-decoration: underline;
  outline: none;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.88rem;
}

.footer-bottom p {
  max-width: 620px;
  margin: 0;
}

/* ---------- Bouton retour haut ---------- */

.back-to-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 45;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: var(--color-primary);
  color: #ffffff;
  font-size: 1.2rem;
  font-weight: 950;
  box-shadow: 0 16px 36px rgba(37, 99, 235, 0.32);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition:
    opacity var(--transition),
    transform var(--transition),
    background var(--transition);
}

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

.back-to-top:hover,
.back-to-top:focus-visible {
  background: var(--color-primary-dark);
  outline: none;
}

/* ---------- Animations légères ---------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 520ms ease,
    transform 520ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Accessibilité ---------- */

:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.35);
  outline-offset: 3px;
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Responsive tablette ---------- */

@media (max-width: 980px) {
  .section {
    padding: 72px 0;
  }

  .hero {
    padding: 76px 0 72px;
  }

  .hero-grid,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .hero-card {
    max-width: 720px;
  }

  .grid-3,
  .services-grid,
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-card.featured {
    transform: none;
  }

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

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

  .footer-grid > div:first-child {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    flex-direction: column;
  }
}

/* ---------- Responsive mobile ---------- */

@media (max-width: 760px) {
  body {
    font-size: 15.5px;
  }

  .container {
    width: min(100% - 24px, var(--container));
  }

  .header-content {
    min-height: 68px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
    border-radius: 13px;
  }

  .brand-text {
    font-size: 0.9rem;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 8px);
    left: 12px;
    right: 12px;
    display: grid;
    gap: 4px;
    padding: 14px;
    border: 1px solid var(--color-border);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition:
      opacity var(--transition),
      visibility var(--transition),
      transform var(--transition);
  }

  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .site-nav a {
    padding: 13px 14px;
    border-radius: 14px;
  }

  .site-nav .nav-cta {
    margin-left: 0;
  }

  h1 {
    font-size: clamp(2.25rem, 11vw, 3.4rem);
  }

  h2 {
    font-size: clamp(1.75rem, 8vw, 2.45rem);
  }

  .hero-actions,
  .cta-actions {
    flex-direction: column;
  }

  .hero-actions .btn,
  .cta-actions .btn {
    width: 100%;
  }

  .hero-note {
    align-items: stretch;
    flex-direction: column;
  }

  .grid-3,
  .services-grid,
  .pricing-grid,
  .steps,
  .contact-cards {
    grid-template-columns: 1fr;
  }

  .section-heading {
    margin-bottom: 32px;
  }

  .hero-card,
  .about-card,
  .promise-card,
  .contact-card,
  .email-help {
    padding: 26px;
    border-radius: 22px;
  }

  .cta-box {
    padding: 32px 22px;
    border-radius: 24px;
  }

  .pricing-card {
    padding: 26px;
  }

  .pricing-top {
    padding-right: 0;
  }

  .badge {
    position: static;
    width: fit-content;
    margin-bottom: 16px;
  }

  .subscription-card {
    flex-direction: column;
    align-items: flex-start;
    padding: 26px;
  }

  .subscription-card .btn {
    width: 100%;
  }

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

  .footer-bottom {
    gap: 14px;
  }
}

/* ---------- Très petits écrans ---------- */

@media (max-width: 420px) {
  .container {
    width: min(100% - 20px, var(--container));
  }

  .section {
    padding: 60px 0;
  }

  .hero {
    padding: 58px 0 60px;
  }

  .brand-text {
    max-width: 160px;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .btn {
    min-height: 46px;
    padding: 12px 16px;
  }

  .info-card,
  .service-card,
  .step {
    padding: 22px;
  }

  .back-to-top {
    right: 14px;
    bottom: 14px;
  }
}


/* ---------- Page mentions légales ---------- */

.legal-section {
  padding-top: 72px;
}

.legal-container {
  max-width: 920px;
}

.legal-intro {
  max-width: 720px;
  color: var(--color-muted);
  font-size: 1.08rem;
}

.legal-card {
  margin-top: 24px;
  padding: 30px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.legal-card h2 {
  font-size: 1.45rem;
}

.legal-card ul {
  padding-left: 20px;
  margin-bottom: 18px;
}

.legal-card li {
  margin-bottom: 8px;
}

.legal-card a {
  color: var(--color-primary);
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.legal-note {
  padding: 14px 16px;
  border-left: 4px solid var(--color-primary);
  border-radius: 10px;
  background: var(--color-surface-soft);
  color: var(--color-muted);
}

.legal-warning {
  color: var(--color-warning);
  font-weight: 850;
}

.legal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.legal-nav {
  display: flex;
}

@media (max-width: 760px) {
  .legal-card {
    padding: 24px;
  }

  .legal-actions {
    flex-direction: column;
  }

  .legal-actions .btn {
    width: 100%;
  }
}