/* =========================================================
   Leflezs — feuille de style
   ========================================================= */

:root {
  --bg: #0A0A0C;
  --bg-alt: #0D0D10;
  --surface: #121216;
  --surface-2: #18181E;
  --surface-3: #1C1C24;
  --code-bg: #0F0F13;
  --border: #23232A;
  --border-2: #2A2A33;
  --line: #1F1F26;
  --text: #F4F4F5;
  --text-2: #D4D4D8;
  --muted: #A1A1AA;
  --dim: #52525B;
  --accent: #D62839;
  --accent-text: #E67A84;
  --accent-rgb: 214, 40, 57;
  --green: #4ADE80;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
  --font-display: "Space Grotesk", "Inter", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --ease: cubic-bezier(.2, .7, .2, 1);
  --ease-bounce: cubic-bezier(.2, 1.4, .4, 1);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--text-2); text-decoration: none; }
a:hover { color: #fff; }
input, select, textarea, button { font-family: inherit; }
:focus-visible { outline: 2px solid var(--accent-text); outline-offset: 3px; border-radius: 6px; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 112px 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

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

/* ---------- Titres de section ---------- */
.section-head { display: flex; flex-direction: column; gap: 14px; max-width: 680px; margin-bottom: 56px; }
.section-head.center { align-items: center; text-align: center; margin-left: auto; margin-right: auto; }
.eyebrow { font-family: var(--font-mono); font-size: 14px; color: var(--accent-text); }
.h2 {
  margin: 0; font-family: var(--font-display); font-size: clamp(32px, 4vw, 48px);
  line-height: 1.1; letter-spacing: -0.03em;
}
.lead { margin: 0; font-size: 18px; color: var(--muted); }

/* ---------- Boutons ---------- */
.btn {
  position: relative; overflow: hidden;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 0 26px; border-radius: 12px;
  font-weight: 600; font-size: 16px; cursor: pointer; border: none;
  transition: transform .25s, box-shadow .25s, border-color .25s, background .25s;
}
.btn-sm { min-height: 44px; padding: 0 20px; border-radius: 10px; font-size: 15px; }
.btn-block { display: flex; width: 100%; min-height: 50px; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 14px 34px -12px rgba(var(--accent-rgb), .8); }
.btn-primary::after {
  content: ""; position: absolute; top: 0; bottom: 0; left: 0; width: 35%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.35), transparent);
  transform: translateX(-150%) skewX(-20deg); pointer-events: none;
}
.btn-primary:hover::after { animation: shine .9s ease; }
.btn svg { transition: transform .25s; flex-shrink: 0; }
.btn:hover svg { transform: translateX(4px); }
.btn-ghost { border: 1px solid var(--border-2); background: var(--surface); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); color: var(--text); transform: translateY(-2px); }
.btn-soft {
  min-height: 44px; padding: 0 16px; border-radius: 10px; font-size: 15px;
  border: 1px solid #3A1A1F; background: #1E1215; color: var(--accent-text);
}
.btn-soft:hover { color: #fff; border-color: var(--accent); transform: translateY(-2px); }

/* ---------- Header / nav ---------- */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10,10,12,.82);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 12px; padding-bottom: 12px; }
.brand {
  display: flex; align-items: center; gap: 10px; color: var(--text);
  font-family: var(--font-display); font-weight: 700; font-size: 22px; letter-spacing: -0.02em;
}
.brand img { width: 44px; height: 44px; object-fit: contain; transition: transform .5s var(--ease-bounce); }
.brand:hover img { transform: rotate(-10deg) scale(1.1); }
.nav-links { display: flex; align-items: center; gap: 28px; font-size: 15px; }
.link { position: relative; }
.link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 2px;
  background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .3s;
}
.link:hover::after { transform: scaleX(1); }
.burger {
  display: none; width: 44px; height: 44px; border-radius: 10px;
  border: 1px solid var(--border-2); background: var(--surface); color: var(--text);
  align-items: center; justify-content: center; cursor: pointer;
}

/* ---------- Hero ---------- */
.hero { position: relative; }
.hero-grid-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 75%);
  mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 75%);
}
.hero-inner {
  position: relative; padding-top: 104px; padding-bottom: 96px;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 460px), 1fr));
  gap: 64px; align-items: center;
}
.hero-copy { display: flex; flex-direction: column; gap: 28px; }
.badge {
  align-self: flex-start; display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 14px; border: 1px solid var(--border-2); border-radius: 999px;
  font-size: 14px; color: var(--text-2); background: var(--surface);
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); animation: pulse 1.8s ease-out infinite; }
.hero h1 {
  margin: 0; font-family: var(--font-display); font-weight: 700;
  font-size: clamp(40px, 5.6vw, 72px); line-height: 1.04; letter-spacing: -0.035em;
}
.hero h1 .hl { color: var(--accent-text); }
.hero-sub { margin: 0; font-size: 19px; color: var(--muted); max-width: 540px; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; }
.checks { display: flex; flex-wrap: wrap; gap: 8px 20px; font-size: 14px; color: var(--muted); }
.checks span { display: inline-flex; align-items: center; gap: 8px; }

.hero-visual { position: relative; padding-top: 90px; }
.halo {
  position: absolute; top: -10px; right: 10px; width: 300px; height: 300px; border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--accent-rgb), .45) 0%, rgba(var(--accent-rgb), 0) 70%);
  pointer-events: none; animation: halo 5s ease-in-out infinite;
}
.hero-logo {
  position: absolute; top: 0; right: 40px; z-index: 2;
  width: clamp(150px, 17vw, 220px); height: auto;
}
.float { animation: float 6s ease-in-out infinite; filter: drop-shadow(0 30px 40px rgba(var(--accent-rgb), .45)); }

.code-window {
  position: relative; z-index: 1; border: 1px solid var(--border); border-radius: 16px;
  background: var(--code-bg); overflow: hidden; box-shadow: 0 30px 80px rgba(0,0,0,.55);
}
.window-bar {
  display: flex; align-items: center; gap: 8px; padding: 14px 18px;
  border-bottom: 1px solid var(--line); background: var(--surface);
}
.window-bar i { width: 12px; height: 12px; border-radius: 50%; background: #3F3F46; }
.window-bar span { margin-left: 12px; font-family: var(--font-mono); font-size: 13px; color: var(--muted); }
.code {
  margin: 0; padding: 24px 24px 28px; font-family: var(--font-mono); font-size: 15px;
  line-height: 1.9; overflow-x: auto; white-space: pre; color: var(--text-2);
}
.c-com { color: var(--muted); }
.c-key { color: var(--accent-text); }
.c-str { color: #FBBF24; }
.c-fn { color: #60A5FA; }
.c-ok { color: var(--green); }
.cursor {
  display: inline-block; width: 9px; height: 18px; background: #FF6B78;
  vertical-align: -3px; animation: blink 1s steps(1) infinite;
}

/* ---------- Marquee ---------- */
.marquee { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg-alt); overflow: hidden; }
.marquee-track {
  display: flex; width: max-content; gap: 56px; padding: 26px 0;
  font-family: var(--font-mono); font-size: 16px; color: var(--muted); white-space: nowrap;
  animation: marquee 32s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track .sep { color: var(--accent-text); }

/* ---------- Cartes ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); gap: 20px; }
.card {
  padding: 32px; border: 1px solid var(--border); border-radius: 16px; background: var(--surface);
  display: flex; flex-direction: column; gap: 14px;
  transition: transform .4s var(--ease), border-color .4s, box-shadow .4s;
}
.card:hover {
  transform: translateY(-8px); border-color: rgba(var(--accent-rgb), .65);
  box-shadow: 0 24px 60px -24px rgba(var(--accent-rgb), .55);
}
.card h3 { margin: 0; font-family: var(--font-display); font-size: 22px; }
.card p { margin: 0; color: var(--muted); }
.icon {
  width: 52px; height: 52px; border-radius: 14px; background: var(--surface-3); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; color: var(--accent-text);
  transition: transform .4s var(--ease-bounce), background .4s;
}
.card:hover .icon { transform: rotate(-8deg) scale(1.12); background: #2A1418; }

/* ---------- Démos ---------- */
.demos-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 40px; }
.demos-head .section-head { margin-bottom: 0; max-width: 620px; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; }
.filter {
  min-height: 44px; padding: 0 18px; border-radius: 999px; border: 1px solid var(--border-2);
  background: transparent; color: var(--text-2); font-size: 15px; font-weight: 500; cursor: pointer;
  transition: background .25s, color .25s, border-color .25s;
}
.filter:hover { border-color: var(--accent); }
.filter[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: #fff; }

.demos-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr)); gap: 24px; }
.demo { padding: 0; gap: 0; overflow: hidden; }
.demo[hidden] { display: none; }
.demo.pop { animation: pop .5s var(--ease-bounce) both; }
.demo-shot-wrap { padding: 18px 18px 0; background: #16161C; overflow: hidden; }
.demo-shot {
  border-radius: 10px 10px 0 0; background: var(--code-bg); border: 1px solid var(--border-2);
  border-bottom: none; overflow: hidden; transition: transform .5s var(--ease);
}
.demo:hover .demo-shot { transform: translateY(-6px) scale(1.02); }
.demo-bar { display: flex; gap: 6px; padding: 10px 12px; border-bottom: 1px solid var(--border); }
.demo-bar i { width: 8px; height: 8px; border-radius: 50%; background: #3F3F46; }
.demo-body { padding: 16px; display: flex; flex-direction: column; gap: 10px; height: 150px; }
.demo-hero { height: 64px; border-radius: 8px; }
.demo-line { height: 10px; border-radius: 4px; background: var(--border-2); width: 70%; }
.demo-line.short { width: 45%; background: var(--border); }
.demo-cols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.demo-cols i { height: 22px; border-radius: 4px; background: var(--surface-3); }
.demo-info { padding: 24px; display: flex; flex-direction: column; gap: 12px; flex-grow: 1; }
.demo-cat { font-family: var(--font-mono); font-size: 13px; color: var(--muted); }
.demo-info h3 { font-size: 21px; }
.demo-info p { font-size: 15px; flex-grow: 1; }
.demo-info .btn { align-self: flex-start; }

/* ---------- Méthode ---------- */
.steps {
  list-style: none; margin: 0; padding: 0; display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); gap: 20px;
}
.step {
  padding: 28px; border-top: 2px solid var(--accent); background: var(--surface);
  border-radius: 0 0 14px 14px; display: flex; flex-direction: column; gap: 10px;
  transition: transform .4s, background .4s;
}
.step:hover { transform: translateY(-6px); background: #17171D; }
.step-num { font-family: var(--font-mono); font-size: 30px; color: var(--dim); transition: color .4s; }
.step:hover .step-num { color: #FF6B78; }
.step h3 { margin: 0; font-family: var(--font-display); font-size: 20px; }
.step p { margin: 0; color: var(--muted); font-size: 15px; }

/* ---------- Tarifs ---------- */
.pricing { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); gap: 24px; align-items: stretch; }
.plan { padding: 36px; gap: 24px; border-radius: 18px; }
.plan-head { display: flex; flex-direction: column; gap: 8px; }
.plan-head p { font-size: 15px; }
.price { display: flex; flex-direction: column; gap: 4px; }
.price strong {
  font-family: var(--font-display); font-size: 52px; font-weight: 700;
  letter-spacing: -0.03em; line-height: 1.1;
}
.price span { font-size: 14px; color: var(--muted); }
.price em { font-style: normal; color: var(--accent-text); font-weight: 600; }
.features {
  list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px;
  font-size: 15px; color: var(--text-2); flex-grow: 1;
}
.features li { display: flex; gap: 10px; }
.features svg { flex-shrink: 0; margin-top: 2px; color: var(--accent-text); }
.plan-pro {
  position: relative; border: 2px solid var(--accent); background: #16121A;
  animation: proglow 3.5s ease-in-out infinite;
}
.plan-pro:hover { border-color: var(--accent); }
.tag {
  position: absolute; top: -15px; left: 36px; padding: 5px 14px; border-radius: 999px;
  background: var(--accent); color: #fff; font-size: 13px; font-weight: 600;
}
.plan-logo { position: absolute; top: 20px; right: 24px; width: 64px; height: 64px; opacity: .9; }

.maintenance {
  margin-top: 24px; padding: 28px 32px; flex-direction: row; flex-wrap: wrap;
  align-items: center; justify-content: space-between; gap: 20px;
}
.maintenance-info { display: flex; align-items: center; gap: 18px; }
.maintenance-info div { display: flex; flex-direction: column; gap: 4px; }
.maintenance-info strong { font-family: var(--font-display); font-weight: 600; font-size: 19px; }
.maintenance-info span { color: var(--muted); font-size: 15px; }
.maintenance-price { font-family: var(--font-display); font-size: 32px; font-weight: 700; letter-spacing: -0.02em; }
.maintenance-price small { font-size: 15px; font-weight: 400; color: var(--muted); }

/* ---------- FAQ ---------- */
.faq-wrap { max-width: 880px; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  border: 1px solid var(--border); border-radius: 14px; background: var(--surface);
  overflow: hidden; transition: border-color .3s;
}
.faq-item:hover { border-color: #3A3A44; }
.faq-item.open { border-color: var(--accent); }
.faq-q {
  width: 100%; min-height: 64px; padding: 18px 24px; display: flex; align-items: center;
  justify-content: space-between; gap: 16px; background: transparent; border: none;
  color: var(--text); font-size: 17px; font-weight: 600; text-align: left; cursor: pointer;
}
.faq-icon {
  width: 32px; height: 32px; flex-shrink: 0; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--surface-3); color: var(--text-2); transition: transform .3s, background .3s, color .3s;
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--accent); color: #fff; }
.faq-a { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .35s var(--ease); }
.faq-item.open .faq-a { grid-template-rows: 1fr; }
.faq-a > div { overflow: hidden; }
.faq-a p { margin: 0; padding: 0 24px 22px; color: var(--muted); }

/* ---------- Contact ---------- */
.contact { position: relative; background: var(--bg-alt); border-top: 1px solid var(--line); overflow: hidden; }
.contact-halo {
  position: absolute; left: -160px; bottom: -160px; width: 480px; height: 480px; border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--accent-rgb), .22) 0%, rgba(var(--accent-rgb), 0) 70%);
  pointer-events: none; animation: halo 5s ease-in-out infinite;
}
.contact-inner {
  position: relative; display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); gap: 56px;
}
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.contact-info .section-head { margin-bottom: 0; }
.contact-lines { display: flex; flex-direction: column; gap: 14px; margin-top: 8px; }
.contact-line {
  display: flex; align-items: center; gap: 14px; min-height: 56px; padding: 0 18px;
  border: 1px solid var(--border); border-radius: 12px; background: var(--surface); color: var(--text-2);
  transition: border-color .25s, transform .25s;
}
a.contact-line:hover { border-color: var(--accent); transform: translateY(-2px); }
.contact-line svg { color: var(--accent-text); flex-shrink: 0; }

.form-card { padding: 36px; border: 1px solid var(--border); border-radius: 18px; background: var(--surface); }
.form { display: flex; flex-direction: column; gap: 18px; }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); gap: 18px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-size: 14px; font-weight: 500; color: var(--text-2); }
.field input, .field select, .field textarea {
  min-height: 48px; padding: 0 14px; border-radius: 10px; border: 1px solid var(--border-2);
  background: var(--code-bg); color: var(--text); font-size: 16px;
  transition: border-color .2s, box-shadow .2s;
}
.field textarea { padding: 12px 14px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(var(--accent-rgb), .25);
}
.field input:user-invalid { border-color: #F87171; }
.form-note { margin: 0; font-size: 13px; color: var(--muted); }
.form-error { margin: 0; font-size: 14px; color: #F87171; }

.success {
  min-height: 440px; display: flex; flex-direction: column; align-items: center;
  justify-content: center; text-align: center; gap: 16px; animation: pop .5s var(--ease-bounce) both;
}
.success[hidden], .form[hidden] { display: none; }
.success-icon { width: 72px; height: 72px; border-radius: 50%; background: #14301F; display: flex; align-items: center; justify-content: center; }
.success h3 { margin: 0; font-family: var(--font-display); font-size: 24px; }
.success p { margin: 0; color: var(--muted); }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line); }
.footer-inner {
  padding-top: 40px; padding-bottom: 40px; display: flex; flex-wrap: wrap;
  align-items: center; justify-content: space-between; gap: 20px; font-size: 14px; color: var(--muted);
}
.footer .brand img { width: 40px; height: 40px; }
.footer-brand { display: flex; flex-direction: column; gap: 2px; }
.footer-brand strong { font-family: var(--font-display); font-size: 18px; color: var(--text); }
.footer-brand span { font-family: var(--font-body); font-weight: 400; font-size: 14px; color: var(--muted); letter-spacing: 0; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 24px; }

/* ---------- Animations ---------- */
.in { animation: up .9s var(--ease) both; }
.d1 { animation-delay: .1s; } .d2 { animation-delay: .22s; } .d3 { animation-delay: .34s; } .d4 { animation-delay: .46s; }

.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.visible { opacity: 1; transform: none; }
.card.reveal { transition: opacity .8s var(--ease), transform .8s var(--ease), border-color .4s, box-shadow .4s; }
.step.reveal { transition: opacity .8s var(--ease), transform .8s var(--ease), background .4s; }
.card.reveal.visible:hover { transform: translateY(-8px); }
.step.reveal.visible:hover { transform: translateY(-6px); }

@keyframes up { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: none; } }
@keyframes float { 0%, 100% { transform: translateY(0) rotate(-3deg); } 50% { transform: translateY(-16px) rotate(3deg); } }
@keyframes halo { 0%, 100% { opacity: .5; transform: scale(1); } 50% { opacity: .85; transform: scale(1.12); } }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(74,222,128,.6); } 100% { box-shadow: 0 0 0 10px rgba(74,222,128,0); } }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes blink { 50% { opacity: 0; } }
@keyframes shine { from { transform: translateX(-150%) skewX(-20deg); } to { transform: translateX(350%) skewX(-20deg); } }
@keyframes proglow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(var(--accent-rgb), 0), 0 30px 80px -40px rgba(var(--accent-rgb), .5); }
  50% { box-shadow: 0 0 0 6px rgba(var(--accent-rgb), .12), 0 30px 90px -30px rgba(var(--accent-rgb), .75); }
}
@keyframes pop { from { opacity: 0; transform: scale(.6); } to { opacity: 1; transform: none; } }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .burger { display: inline-flex; }
  .nav { flex-wrap: wrap; }
  .nav-links {
    order: 3; width: 100%; flex-direction: column; align-items: stretch; gap: 0;
    max-height: 0; overflow: hidden; transition: max-height .35s var(--ease);
  }
  .nav-links a { padding: 14px 4px; border-top: 1px solid var(--line); font-size: 17px; }
  .nav-links .link::after { display: none; }
  .nav.open .nav-links { max-height: 400px; }
  .nav-cta { display: none; }
  .hero-inner { padding-top: 64px; padding-bottom: 72px; gap: 48px; }
  .hero-logo { right: 8px; }
  .section { padding: 80px 0; }
}
@media (max-width: 480px) {
  .plan, .form-card { padding: 26px; }
  .maintenance { padding: 24px; }
  .code { font-size: 13px; padding: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}