/* ppltheorique.fr · direction « Carte VFR » de l'app : ciel pâle, encre marine, orange rare. */

@font-face {
  font-family: 'Bricolage Grotesque';
  src: url('/fonts/bricolage-grotesque-latin-wght-normal.woff2') format('woff2');
  font-weight: 200 800;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('/fonts/ibm-plex-mono-latin-400-normal.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('/fonts/ibm-plex-mono-latin-500-normal.woff2') format('woff2');
  font-weight: 500;
  font-display: swap;
}

:root {
  --bg: #f5f7fa;
  --surface: #ffffff;
  --text: #13233f;
  --text-2: #55627a;
  --border: #e3e8ef;
  --sky1: #dcebfc;
  --sky2: #eef5fd;
  --on-sky-2: #3f5f8f;
  --button: #2f6fd6;
  --button-hover: #2560c0;
  --on-button: #ffffff;
  --link: #2348d8;
  --accent: #e8763f;
  --peach: #fff1e8;
  --peach-border: #fbdcc8;
  --on-peach: #7a3410;
  --mark: #fdebdd;
  --shadow: 0 1px 2px rgb(19 35 63 / 0.04), 0 8px 24px rgb(19 35 63 / 0.06);
  --phone-shadow: 0 30px 60px -20px rgb(19 35 63 / 0.28), 0 0 0 1px rgb(19 35 63 / 0.06);
  --radius: 22px;
  --display: 'Bricolage Grotesque', ui-sans-serif, system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --sans: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #08101e;
    --surface: #111a2b;
    --text: #eef2f8;
    --text-2: #9aa8bf;
    --border: #1e2a40;
    --sky1: #16284f;
    --sky2: #0d1932;
    --on-sky-2: #b3c3e4;
    --button: #6fb1f2;
    --button-hover: #8cc2f5;
    --on-button: #08101e;
    --link: #8fa8ff;
    --accent: #ff7a3d;
    --peach: #2e1709;
    --peach-border: #4a2510;
    --on-peach: #ffb088;
    --mark: #3a1d0d;
    --shadow: 0 0 0 1px var(--border);
    --phone-shadow: 0 30px 60px -20px rgb(0 0 0 / 0.6), 0 0 0 1px rgb(255 255 255 / 0.08);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: var(--link);
  text-underline-offset: 3px;
}
h1,
h2,
h3 {
  font-family: var(--display);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 0.5em;
  text-wrap: balance;
}
p {
  margin: 0 0 1em;
}
mark {
  background: var(--mark);
  color: var(--on-peach);
  padding: 0 4px;
  border-radius: 4px;
}
.wrap {
  width: min(1120px, 100% - 32px);
  margin-inline: auto;
}
.muted {
  color: var(--text-2);
}
.small {
  font-size: 0.875rem;
}
.center {
  text-align: center;
}
.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: 16px;
  top: 16px;
  z-index: 10;
  background: var(--surface);
  padding: 8px 12px;
  border-radius: 8px;
}
:focus-visible {
  outline: 3px solid var(--button);
  outline-offset: 2px;
  border-radius: 6px;
}

/* En-tête */
.top {
  position: sticky;
  top: 0;
  z-index: 5;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: saturate(1.4) blur(12px);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
}
.top-in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font: 700 1.125rem var(--display);
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.brand img {
  border-radius: 9px;
}
.top nav {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}
.top nav a {
  color: var(--text-2);
  text-decoration: none;
  font-size: 0.9375rem;
  padding: 8px 10px;
  border-radius: 10px;
  white-space: nowrap;
}
.top nav a:hover {
  color: var(--text);
  background: var(--sky2);
}
@media (max-width: 640px) {
  .brand span {
    display: none;
  }
  .top nav a {
    padding: 8px 8px;
    font-size: 0.875rem;
  }
}

/* Boutons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 14px;
  font: 600 1rem var(--sans);
  text-decoration: none;
  border: 1px solid transparent;
  transition:
    background 0.15s,
    transform 0.15s;
}
.btn-lg {
  min-height: 56px;
  padding: 0 24px;
  font-size: 1.0625rem;
}
.btn-primary {
  background: var(--button);
  color: var(--on-button);
}
.btn-primary:hover {
  background: var(--button-hover);
  transform: translateY(-1px);
}
.btn-soon {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
  box-shadow: var(--shadow);
  cursor: default;
}
.btn-ghost {
  color: var(--link);
  background: transparent;
  border-color: color-mix(in srgb, var(--link) 25%, transparent);
}
.btn-ghost:hover {
  background: var(--sky2);
}
.cta-row,
.cta-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 14px;
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--sky1), var(--sky2) 70%, var(--bg));
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/img/contours.webp') right -120px top -60px / 900px auto no-repeat;
  opacity: 0.55;
  pointer-events: none;
}
@media (prefers-color-scheme: dark) {
  .hero::before {
    opacity: 0.1;
  }
}
.hero-in {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
  padding: 72px 0 80px;
}
.eyebrow,
.kicker {
  font: 500 0.8125rem var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--on-sky-2);
  margin-bottom: 14px;
}
.kicker {
  color: var(--on-peach);
}
.hero h1 {
  font-size: clamp(2.3rem, 5.4vw, 4rem);
  font-weight: 750;
}
.lead {
  font-size: 1.1875rem;
  color: var(--on-sky-2);
  max-width: 36em;
}
.hero-visual {
  display: flex;
  justify-content: center;
}
.phone {
  margin: 0;
  width: min(300px, 78vw);
  border-radius: 40px;
  padding: 8px;
  background: var(--surface);
  box-shadow: var(--phone-shadow);
}
.phone img {
  border-radius: 32px;
  aspect-ratio: 390 / 844;
  object-fit: cover;
  object-position: top;
}
.phone-tilt {
  transform: rotate(3deg);
}
@media (max-width: 860px) {
  .hero-in {
    grid-template-columns: 1fr;
    padding: 44px 0 56px;
    gap: 40px;
  }
  .phone-tilt {
    transform: none;
  }
  .hero-visual .phone {
    width: min(250px, 70vw);
  }
}

/* Chiffres */
.facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: -28px;
  position: relative;
}
.fact {
  background: var(--surface);
  border-radius: 18px;
  padding: 18px 20px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}
.fact-n {
  font: 750 1.75rem/1.1 var(--display);
  letter-spacing: -0.02em;
}
.fact-l {
  color: var(--text-2);
  font-size: 0.9375rem;
}
@media (max-width: 760px) {
  .facts {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Sections */
.section {
  padding: 88px 0;
}
.section-title {
  font-size: clamp(1.75rem, 3.6vw, 2.6rem);
  font-weight: 720;
  max-width: 22em;
}
.section-sub {
  color: var(--text-2);
  font-size: 1.0625rem;
  max-width: 40em;
}
.section + .section {
  padding-top: 0;
}
.band {
  background: linear-gradient(180deg, var(--sky2), var(--bg));
}

.feature {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 64px;
  align-items: center;
  margin-top: 64px;
}
.feature .phone {
  width: 270px;
}
.feature-rev {
  grid-template-columns: 1fr auto;
}
.feature-rev .phone {
  order: 2;
}
.feature h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}
.feature p:not(.kicker) {
  font-size: 1.0625rem;
  color: var(--text-2);
  max-width: 32em;
}
@media (max-width: 760px) {
  .feature,
  .feature-rev {
    grid-template-columns: 1fr;
    gap: 28px;
    justify-items: center;
  }
  .feature-rev .phone {
    order: 0;
  }
  .feature .phone {
    width: min(260px, 72vw);
  }
}

.modules {
  list-style: none;
  padding: 0;
  margin: 32px 0 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.modules li {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border-radius: 16px;
  padding: 14px 16px;
  box-shadow: var(--shadow);
}
.code,
.mono {
  font: 500 0.875rem var(--mono);
  color: var(--on-sky-2);
}
.m-name {
  flex: 1;
  font-weight: 600;
  line-height: 1.3;
}
.m-q {
  font: 0.8125rem var(--mono);
  color: var(--text-2);
  white-space: nowrap;
}
@media (max-width: 900px) {
  .modules {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 560px) {
  .modules {
    grid-template-columns: 1fr;
  }
}

/* Tarifs */
.free {
  background: var(--peach);
  border: 1px solid var(--peach-border);
  color: var(--on-peach);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 32px 0 16px;
}
.free p {
  margin: 0;
}
.free .kicker {
  margin-bottom: 6px;
}
.plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}
.plan {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  border: 2px solid transparent;
}
.plan-featured {
  border-color: var(--button);
}
.plan h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
}
.price {
  font: 750 2rem/1.1 var(--display);
  margin-bottom: 6px;
}
.per {
  font: 400 0.9375rem var(--sans);
  color: var(--text-2);
}
.plan ul {
  padding-left: 1.2em;
  margin: 12px 0 0;
  color: var(--text-2);
}
.badge {
  display: inline-block;
  font: 500 0.75rem var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--on-peach);
  background: var(--peach);
  border-radius: 999px;
  padding: 4px 10px;
  margin-bottom: 12px;
}
@media (max-width: 860px) {
  .plans {
    grid-template-columns: 1fr;
  }
}

.note {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 28px 32px;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--accent);
}
.note h2 {
  font-size: 1.375rem;
}
.note ul {
  margin: 0;
  padding-left: 1.2em;
  color: var(--text-2);
}
.note li + li {
  margin-top: 8px;
}

/* FAQ */
.faq {
  margin-top: 28px;
  max-width: 820px;
}
.faq details {
  background: var(--surface);
  border-radius: 16px;
  margin-bottom: 10px;
  box-shadow: var(--shadow);
}
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 52px 18px 20px;
  font-weight: 600;
  position: relative;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary::after {
  content: '+';
  position: absolute;
  right: 20px;
  top: 50%;
  translate: 0 -50%;
  font: 400 1.5rem var(--display);
  color: var(--text-2);
}
.faq details[open] summary::after {
  content: '–';
}
.faq details p {
  padding: 0 20px 18px;
  margin: 0;
  color: var(--text-2);
}

.final {
  text-align: center;
}
.final h2 {
  font-size: clamp(1.75rem, 3.6vw, 2.6rem);
}
.final .lead {
  margin-inline: auto;
  color: var(--text-2);
}
.final .btn {
  margin-top: 12px;
}

/* Pages de texte */
.prose {
  max-width: 760px;
  padding: 48px 0 88px;
}
.prose h1 {
  font-size: clamp(2rem, 4.5vw, 2.9rem);
  font-weight: 750;
}
.prose h2 {
  font-size: 1.5rem;
  margin-top: 2em;
}
.prose li + li {
  margin-top: 6px;
}
.prose .lead {
  color: var(--text-2);
}
.crumbs {
  font-size: 0.875rem;
  color: var(--text-2);
}
.crumbs a {
  color: var(--text-2);
}
.answer {
  background: var(--sky2);
  border-radius: 18px;
  padding: 20px 22px;
  font-size: 1.0625rem;
}
.table-wrap {
  overflow-x: auto;
  margin: 16px 0;
}
table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
  font-size: 0.9375rem;
}
caption {
  text-align: left;
  padding: 0 0 8px;
  color: var(--text-2);
  font-size: 0.875rem;
}
th,
td {
  text-align: left;
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
th {
  font-weight: 600;
  background: var(--sky2);
}
.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}
tfoot td {
  font-weight: 700;
  border-bottom: 0;
}

/* Pied de page */
.foot {
  border-top: 1px solid var(--border);
  padding: 44px 0 36px;
  margin-top: 24px;
}
.foot-in {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 24px 48px;
}
.brand-foot {
  font: 700 1.125rem var(--display);
  margin-bottom: 6px;
}
.foot nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.foot nav a {
  color: var(--text);
  text-decoration: none;
}
.foot nav a:hover {
  text-decoration: underline;
}
.foot-in > .small {
  grid-column: 1 / -1;
  margin: 0;
}
@media (max-width: 640px) {
  .foot-in {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .btn {
    transition: none;
  }
}