@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --color-bg: #161826;
  --color-surface: #232532;
  --color-text: #e9e9ed;
  --color-accent: #9184d9;
  --color-divider: color-mix(in srgb, #e9e9ed 16%, transparent);

  --color-neutral-400: #b2b6ca;
  --color-neutral-500: #9397ab;
  --color-neutral-600: #75798c;
  --color-neutral-700: #595d6c;
  --color-neutral-800: #3f424d;
  --color-neutral-900: #292b31;

  --color-accent-100: #f5f4ff;
  --color-accent-200: #e7e5fe;
  --color-accent-300: #d2cefd;
  --color-accent-800: #423a6a;

  --font-heading: "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;

  --radius-md: 8px;
  --radius-lg: 14px;

  --shadow-md: 0 0 0 1px var(--color-neutral-700), 0 6px 18px rgba(0, 0, 0, 0.55);
  --shadow-lg: 0 0 0 1px var(--color-neutral-500), 0 16px 40px rgba(0, 0, 0, 0.65);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: radial-gradient(120% 70% at 12% -10%, #232a52 0%, rgba(22, 24, 38, 0) 60%), var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--color-accent-300); text-decoration: none; }
a:hover { color: var(--color-accent-200); }

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

h1, h2, h3 { font-family: var(--font-heading); font-weight: 500; margin: 0; }

.wrap { max-width: 1180px; margin: 0 auto; padding-left: 32px; padding-right: 32px; }

/* language visibility */
html [data-lang] { display: none; }
html[lang="fr"] [data-lang="fr"] { display: block; }
html[lang="en"] [data-lang="en"] { display: block; }
html[lang="fr"] span[data-lang="fr"],
html[lang="en"] span[data-lang="en"] { display: inline; }

/* header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--color-bg) 86%, transparent);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-divider);
}
.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 16px;
  padding-bottom: 16px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { width: 34px; height: 34px; border-radius: 9px; box-shadow: 0 0 0 1px var(--color-neutral-800); }
.brand span { font: 600 16px/1 var(--font-heading); letter-spacing: -0.01em; color: var(--color-text); }

.site-nav { display: flex; align-items: center; gap: 28px; margin: 0 auto; }
.site-nav a { font: 500 14px/1 var(--font-body); color: var(--color-neutral-400); }
.site-nav a:hover { color: var(--color-text); }

.nav-toggle {
  display: none; flex-direction: column; justify-content: center; gap: 4px;
  width: 34px; height: 34px; padding: 0;
  background: transparent; border: 1px solid var(--color-neutral-800); border-radius: var(--radius-md);
  cursor: pointer;
}
.nav-toggle span { display: block; width: 16px; height: 1.5px; margin: 0 auto; background: var(--color-text); }

.header-actions { display: flex; align-items: center; gap: 10px; }

#top { scroll-margin-top: 84px; }
#features, #faq, #contact, #privacy { scroll-margin-top: 84px; }

.lang-switch { display: flex; border: 1px solid var(--color-neutral-800); border-radius: 999px; padding: 2px; }
.lang-switch button {
  border: 0; background: transparent; color: var(--color-neutral-500);
  font: 600 11.5px/1 var(--font-body); letter-spacing: 0.04em;
  padding: 7px 12px; border-radius: 999px; cursor: pointer;
}
.lang-switch button.active { background: var(--color-accent-800); color: var(--color-accent-200); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  border-radius: var(--radius-md);
  font: 600 13px/1 var(--font-body);
  cursor: pointer;
  appearance: none; -webkit-appearance: none;
  background: transparent; border: 1px solid transparent;
}
.btn-primary {
  border: 1px solid var(--color-accent);
  color: var(--color-accent-200);
  padding: 9px 16px;
}
.btn-primary:hover { background: color-mix(in srgb, var(--color-accent) 14%, transparent); color: var(--color-accent-200); }

/* hero */
.hero { padding-top: 56px; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin-bottom: 22px; }
.eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: #5ad19a; box-shadow: 0 0 10px #5ad19a; }
.eyebrow span:not(.dot) {
  font: 600 11px/1 var(--font-body); letter-spacing: 0.16em; text-transform: uppercase; color: var(--color-neutral-400);
}

.hero h1 {
  font-size: clamp(40px, 6.2vw, 78px);
  line-height: 1.02;
  letter-spacing: -0.035em;
  max-width: 16ch;
}
.hero h1 .accent { color: var(--color-accent-300); }

.hero .lead {
  font: 400 19px/1.55 var(--font-body); color: var(--color-neutral-300);
  max-width: 62ch; margin: 24px 0 0;
}
.hero .sub {
  font: 400 17px/1.6 var(--font-body); color: var(--color-neutral-400);
  max-width: 62ch; margin: 14px 0 0;
}

.hero-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 34px; }
.hero-cta .btn-primary {
  padding: 13px 22px; font-size: 14.5px;
  box-shadow: 0 0 28px color-mix(in srgb, var(--color-accent) 18%, transparent);
}
.hero-cta .fineprint { font: 400 13px/1.4 var(--font-body); color: var(--color-neutral-600); }

.hero-shot { margin: 58px 0 0; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }

/* stats */
.stats-section { padding-top: 84px; }
.hr {
  height: 1px; border: 0;
  background: linear-gradient(90deg, transparent, var(--color-divider) 48px, var(--color-divider) calc(100% - 48px), transparent);
}
.stats-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 36px; padding: 34px 0 0;
}
.stat-value { font: 500 30px/1 var(--font-heading); color: var(--color-accent-300); letter-spacing: -0.02em; }
.stat-label { font: 400 13.5px/1.5 var(--font-body); color: var(--color-neutral-500); margin-top: 8px; }

/* features */
.features-section { padding-top: 96px; }
.kicker { font: 600 11px/1 var(--font-body); letter-spacing: 0.16em; text-transform: uppercase; color: var(--color-neutral-500); margin-bottom: 14px; }
.features-section h2 { font-size: clamp(30px, 3.6vw, 46px); line-height: 1.08; letter-spacing: -0.03em; max-width: 22ch; }

.feature-row {
  display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; margin-top: 56px;
}
.feature-row.reverse { grid-template-columns: 1fr 1.05fr; }
.feature-row.reverse .feature-copy { order: 2; }
.feature-row.reverse .feature-shot { order: 1; }

.feature-mark { display: inline-block; width: 26px; height: 2px; background: var(--color-accent); margin-bottom: 20px; }
.feature-copy h3 { font-size: 27px; line-height: 1.15; letter-spacing: -0.02em; }
.feature-copy p { font: 400 16.5px/1.6 var(--font-body); color: var(--color-neutral-400); margin: 14px 0 0; max-width: 48ch; }
.feature-shot { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); }

.feature-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; margin-top: 76px; }
.feature-card {
  border: 1px solid var(--color-neutral-800); border-radius: var(--radius-lg);
  background: linear-gradient(180deg, #1d2032, #191b29); padding: 30px;
}
.feature-card h3 { font-size: 22px; line-height: 1.2; letter-spacing: -0.02em; }
.feature-card p { font: 400 15.5px/1.6 var(--font-body); color: var(--color-neutral-400); margin: 12px 0 0; }

.features-shot { margin-top: 26px; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); }

/* faq */
.faq-section { padding-top: 104px; }
.faq-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 56px; align-items: start; }
.faq-grid h2 { font-size: clamp(28px, 3.2vw, 40px); line-height: 1.1; letter-spacing: -0.03em; }
.faq-list { display: flex; flex-direction: column; }
.faq-item { border-top: 1px solid var(--color-neutral-900); padding: 22px 0; }
.faq-item .q { font: 500 17px/1.35 var(--font-heading); letter-spacing: -0.015em; margin-bottom: 9px; }
.faq-item .a { font: 400 15.5px/1.65 var(--font-body); color: var(--color-neutral-400); max-width: 64ch; }

/* cta */
.cta-section { padding-top: 112px; }
.cta-box {
  border: 1px solid var(--color-accent-800); border-radius: var(--radius-lg);
  background: radial-gradient(90% 140% at 8% 0%, #262a60 0%, #1b1e30 62%);
  padding: clamp(32px, 5vw, 64px);
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 32px;
}
.cta-box h2 { font-size: clamp(28px, 3.4vw, 42px); line-height: 1.1; letter-spacing: -0.03em; max-width: 22ch; }
.cta-box p { font: 400 16.5px/1.6 var(--font-body); color: var(--color-neutral-300); margin: 14px 0 0; max-width: 46ch; }
.cta-action { display: flex; flex-direction: column; gap: 10px; }
.cta-action .btn-primary { padding: 15px 26px; font-size: 15px; box-shadow: 0 0 30px color-mix(in srgb, var(--color-accent) 22%, transparent); }
.cta-action .fineprint { font: 400 12.5px/1.4 var(--font-body); color: var(--color-neutral-500); text-align: center; }

/* contact */
.contact-section { padding-top: 104px; }
.contact-section h2 { font-size: clamp(28px, 3.2vw, 40px); line-height: 1.1; letter-spacing: -0.03em; }
.contact-intro { font: 400 16.5px/1.6 var(--font-body); color: var(--color-neutral-400); margin: 14px 0 0; max-width: 52ch; }

.contact-form {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px 20px;
  margin-top: 40px; max-width: 720px;
}
.field { display: flex; flex-direction: column; gap: 8px; }
.field-full { grid-column: 1 / -1; }
.field label { font: 500 13px/1 var(--font-body); color: var(--color-neutral-400); }
.input {
  width: 100%; padding: 11px 14px; font: 400 14.5px/1.4 var(--font-body);
  color: var(--color-text); background: var(--color-surface);
  border: 1px solid var(--color-neutral-800); border-radius: var(--radius-md);
}
.input:hover { border-color: var(--color-neutral-600); }
.input:focus-visible { outline: none; border-color: var(--color-accent); }
textarea.input { resize: vertical; font-family: var(--font-body); }

.contact-submit-row { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.contact-submit-row .btn-primary { padding: 12px 24px; font-size: 14px; }
.contact-submit-row .btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }

/* honeypot: off-screen, never shown to real visitors */
.hp-field {
  position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; margin: 0;
}

.form-status {
  margin-top: 4px; padding: 12px 14px; border-radius: var(--radius-md);
  font: 400 14px/1.5 var(--font-body);
}
.form-status-success { background: color-mix(in srgb, #5ad19a 14%, transparent); color: #7fe0b6; }
.form-status-error { background: color-mix(in srgb, #e0708a 14%, transparent); color: #f0a3b5; }

@media (max-width: 640px) {
  .contact-form { grid-template-columns: 1fr; }
}

/* privacy */
.privacy-section { padding-top: 96px; }
.privacy-box {
  border-top: 1px solid var(--color-neutral-900);
  padding-top: 40px; max-width: 68ch;
}
.privacy-box h2 { font-size: clamp(22px, 2.6vw, 28px); line-height: 1.15; letter-spacing: -0.02em; margin-bottom: 4px; }
.privacy-box p { font: 400 14.5px/1.65 var(--font-body); color: var(--color-neutral-500); margin: 12px 0 0; }
.privacy-box a { color: var(--color-neutral-400); text-decoration: underline; text-underline-offset: 2px; }
.privacy-box a:hover { color: var(--color-accent-300); }

/* footer */
.site-footer { margin-top: 64px; }
.footer-top {
  padding: 64px 0 32px; display: flex; flex-wrap: wrap; gap: 16px;
  align-items: center; justify-content: space-between;
}
.footer-top .credit { font: 400 13px/1.5 var(--font-body); color: var(--color-neutral-600); }
.footer-links { display: flex; align-items: center; gap: 16px; }
.footer-links a { font: 400 13px/1.5 var(--font-body); color: var(--color-neutral-600); text-decoration: underline; text-underline-offset: 2px; }
.footer-links a:hover { color: var(--color-neutral-300); }
.footer-top .tagline { font: 400 13px/1.5 var(--font-body); color: var(--color-neutral-700); }
.footer-bottom {
  border-top: 1px solid var(--color-neutral-900);
  padding: 20px 0 32px;
  font: 400 12px/1.5 var(--font-body); color: var(--color-neutral-700);
  text-align: center;
}

@media (max-width: 760px) {
  .feature-row, .feature-row.reverse { grid-template-columns: 1fr; }
  .feature-row.reverse .feature-copy, .feature-row.reverse .feature-shot { order: initial; }
  .feature-cards { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .nav-toggle { display: flex; }
  .site-nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 2px;
    padding: 12px 32px 18px; margin: 0;
    background: var(--color-bg); border-bottom: 1px solid var(--color-divider);
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 10px 0; width: 100%; }

  .site-header-inner { padding-left: 20px; padding-right: 20px; gap: 10px; }
  .header-actions { gap: 8px; }
  .header-actions > .btn-primary { display: none; }
  .brand span { font-size: 15px; }
}

@media (max-width: 380px) {
  .lang-switch button { padding: 7px 9px; }
}