/* tapfacile.ch — feuille de style unique */

:root {
  --ink: #1c1f22;
  --ink-soft: #4a5158;
  --line: #dfe2e5;
  --paper: #fafaf9;
  --white: #ffffff;
  --accent: #2b3a4a;
  --accent-dark: #1c2733;
  --accent-tint: #eef1f4;
  --radius: 4px;
  --max: 960px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  line-height: 1.5;
  font-size: 17px;
}

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

a {
  color: var(--accent);
}

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

/* Focus visible partout */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  background: var(--accent);
  color: var(--white);
  padding: 10px 16px;
  z-index: 100;
}

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

/* Header */
.site-header {
  border-bottom: 1px solid var(--line);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
  text-decoration: none;
}

.logo svg {
  width: 24px;
  height: 24px;
}

.logo-icon .wave {
  transition: opacity 200ms ease;
}

.header-phone {
  font-weight: 600;
  text-decoration: none;
  color: var(--accent);
  font-size: 15px;
  white-space: nowrap;
}

.header-phone:hover {
  text-decoration: none;
  color: var(--accent-dark);
}

/* Hero */
.hero {
  padding: 56px 0 48px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 32px;
}

.hero-visual {
  color: var(--accent);
  max-width: 220px;
  margin: 0 auto;
}

.hero-illustration {
  width: 100%;
  height: auto;
}

.hero h1 {
  font-size: 34px;
  line-height: 1.15;
  font-weight: 700;
  margin: 0 0 16px;
  letter-spacing: -0.01em;
}

.hero .subtitle {
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 46ch;
  margin: 0 0 28px;
}

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

/* Buttons */
.btn {
  display: inline-block;
  font-family: inherit;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  padding: 13px 22px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 120ms ease, color 120ms ease, border-color 120ms ease;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--accent-dark);
  color: var(--white);
}

.btn-secondary {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}

.btn-secondary:hover {
  background: var(--accent-tint);
}

/* Sections */
section {
  padding: 48px 0;
  border-bottom: 1px solid var(--line);
}

section:last-of-type {
  border-bottom: none;
}

h2 {
  font-size: 26px;
  font-weight: 700;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

.section-intro {
  color: var(--ink-soft);
  max-width: 60ch;
  margin: 0 0 32px;
}

/* Steps */
.steps {
  display: grid;
  gap: 32px;
  grid-template-columns: 1fr;
}

.step {
  display: flex;
  gap: 16px;
}

.step-icon {
  flex: none;
  width: 48px;
  height: 48px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-icon svg {
  width: 26px;
  height: 26px;
  stroke: var(--accent);
}

.step-number {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-soft);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 0 4px;
}

.step h3 {
  font-size: 18px;
  margin: 0 0 4px;
}

.step p {
  margin: 0;
  color: var(--ink-soft);
}

/* Included list */
.included-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.included-list li {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.included-list svg {
  flex: none;
  width: 20px;
  height: 20px;
  stroke: var(--accent);
  margin-top: 2px;
}

/* Compliance */
.compliance {
  background: var(--accent-tint);
}

.compliance .container {
  max-width: var(--max);
}

.compliance h2 {
  margin-bottom: 20px;
}

.compliance-grid {
  display: grid;
  gap: 32px;
  grid-template-columns: 1fr;
}

.compliance-block h3 {
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
  margin: 0 0 12px;
}

.compliance-block ul {
  margin: 0;
  padding-left: 20px;
}

.compliance-block li {
  margin-bottom: 8px;
}

.compliance-block p {
  margin: 0 0 12px;
}

/* Audience / zone */
.tag-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag-list li {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 8px 14px;
  font-size: 15px;
}

/* Contact */
.contact-grid {
  display: grid;
  gap: 40px;
  grid-template-columns: 1fr;
}

.contact-direct {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.contact-direct a {
  font-weight: 600;
  text-decoration: none;
}

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

form {
  display: grid;
  gap: 16px;
}

label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
}

input,
textarea {
  width: 100%;
  font-family: inherit;
  font-size: 16px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--ink);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

.form-note {
  font-size: 13px;
  color: var(--ink-soft);
  margin: 4px 0 0;
}

/* Qui suis-je */
.qui-suis-je-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: start;
}

.founder-photo {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  filter: grayscale(100%);
  background: var(--accent-tint);
}

#qui-suis-je h2 {
  margin-bottom: 12px;
}

#qui-suis-je p {
  color: var(--ink-soft);
  margin: 0 0 12px;
}

/* QR demo */
.qr-demo {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
}

.qr-demo-code {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  width: fit-content;
}

.qr-demo-code svg {
  display: block;
}

#essai h2 {
  margin-bottom: 8px;
}

/* Footer */
.site-footer {
  padding: 32px 0;
  font-size: 14px;
  color: var(--ink-soft);
}

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  align-items: center;
}

.site-footer a {
  color: var(--ink-soft);
}

.footer-links {
  display: flex;
  gap: 20px;
  margin-left: auto;
}

/* Legal pages */
.legal main {
  padding: 40px 0 64px;
}

.legal h1 {
  font-size: 28px;
  margin: 0 0 8px;
}

.legal .updated {
  color: var(--ink-soft);
  font-size: 14px;
  margin: 0 0 32px;
}

.legal h2 {
  font-size: 19px;
  margin: 32px 0 8px;
}

.legal p, .legal li {
  color: var(--ink-soft);
}

.legal ul {
  padding-left: 20px;
}

.back-link {
  display: inline-block;
  margin-bottom: 24px;
  font-size: 15px;
  text-decoration: none;
}

.back-link:hover {
  text-decoration: underline;
}

/* Responsive */
@media (min-width: 640px) {
  body {
    font-size: 18px;
  }

  .hero h1 {
    font-size: 44px;
  }

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

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

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

  .qui-suis-je-grid {
    grid-template-columns: 120px 1fr;
  }

  .qr-demo {
    grid-template-columns: auto 1fr;
  }
}

@media (min-width: 900px) {
  .hero h1 {
    font-size: 52px;
  }

  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
  }

  .hero-visual {
    max-width: 280px;
    margin: 0;
  }
}

/* Motion: on-load reveal and NFC hover pulse, both skipped for prefers-reduced-motion */
@media (prefers-reduced-motion: no-preference) {
  @keyframes fade-in-up {
    from {
      opacity: 0;
      transform: translateY(10px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .hero-text > * {
    animation: fade-in-up 500ms ease both;
  }

  .hero-text > *:nth-child(2) {
    animation-delay: 90ms;
  }

  .hero-text > *:nth-child(3) {
    animation-delay: 180ms;
  }

  .hero-visual {
    animation: fade-in-up 600ms ease 120ms both;
  }

  @keyframes nfc-pulse {
    0%, 100% {
      opacity: 1;
    }
    50% {
      opacity: 0.3;
    }
  }

  .logo:hover .wave-1,
  .logo:focus-visible .wave-1 {
    animation: nfc-pulse 900ms ease-in-out infinite;
  }

  .logo:hover .wave-2,
  .logo:focus-visible .wave-2 {
    animation: nfc-pulse 900ms ease-in-out infinite 150ms;
  }
}