/* Diag Bord — site vitrine */

:root {
  --navy: #0c4a6e;
  --blue: #0369a1;
  --sky: #0284c7;
  --amber: #fbbf24;
  --amber-hover: #f59e0b;
  --white: #f8fafc;
  --muted: #bae6fd;
  --card: rgba(255, 255, 255, 0.1);
  --card-border: rgba(125, 211, 252, 0.25);
  --max: 1100px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--white);
  background: linear-gradient(165deg, var(--navy) 0%, var(--blue) 45%, var(--sky) 100%);
  min-height: 100vh;
  line-height: 1.6;
}

a {
  color: var(--amber);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(var(--max), 100% - 2rem);
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(12, 74, 110, 0.85);
  border-bottom: 1px solid var(--card-border);
}

.site-header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--white);
  text-decoration: none;
}

.logo:hover {
  text-decoration: none;
}

.logo svg {
  width: 36px;
  height: 36px;
}

.nav {
  display: flex;
  gap: 1.25rem;
  align-items: center;
  flex-wrap: wrap;
}

.nav a {
  color: var(--muted);
  font-size: 0.9rem;
  text-decoration: none;
}

.nav a:hover {
  color: var(--white);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.6rem;
  border-radius: 1rem;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s, background 0.15s;
}

.btn:hover {
  text-decoration: none;
  transform: scale(1.02);
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--amber);
  color: var(--navy);
}

.btn-primary:hover {
  background: var(--amber-hover);
  color: var(--navy);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--card-border);
}

.btn-outline:hover {
  background: var(--card);
  color: var(--white);
}

/* Hero */
.hero {
  padding: 3.5rem 0 4rem;
  text-align: center;
}

.hero-mascot {
  margin-bottom: 1.5rem;
  animation: bob 2.2s ease-in-out infinite;
}

@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

.hero .tagline {
  font-size: clamp(1.05rem, 2.5vw, 1.35rem);
  color: var(--muted);
  max-width: 36rem;
  margin: 0 auto 2rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.badge-soon {
  display: inline-block;
  margin-top: 1.25rem;
  padding: 0.4rem 1rem;
  border-radius: 999px;
  background: rgba(251, 191, 36, 0.2);
  color: var(--amber);
  font-size: 0.85rem;
  font-weight: 500;
}

/* Sections */
section {
  padding: 3rem 0;
}

.section-title {
  text-align: center;
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
}

.section-sub {
  text-align: center;
  color: var(--muted);
  margin: 0 auto 2.5rem;
  max-width: 32rem;
}

/* Feature grid */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 1.25rem;
  padding: 1.5rem;
  backdrop-filter: blur(8px);
}

.card .icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--muted);
}

/* Levels */
.levels {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.level-card {
  text-align: center;
  padding: 1.25rem;
}

.level-card .emoji {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.level-card .free {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  background: rgba(74, 222, 128, 0.25);
  color: #86efac;
}

.level-card .premium {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  background: rgba(251, 191, 36, 0.25);
  color: var(--amber);
}

/* Screenshots placeholder */
.screens {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.screen-mock {
  aspect-ratio: 9/19;
  max-width: 220px;
  margin: 0 auto;
  border-radius: 1.5rem;
  border: 3px solid rgba(255, 255, 255, 0.2);
  background: linear-gradient(180deg, rgba(255,255,255,0.15) 0%, rgba(255,255,255,0.05) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--muted);
  text-align: center;
  padding: 1rem;
}

/* Legal / privacy page */
.legal-page {
  padding: 2.5rem 0 4rem;
}

.legal-page h1 {
  font-size: 2rem;
  margin: 0 0 0.5rem;
}

.legal-page .updated {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

.legal-page h2 {
  font-size: 1.2rem;
  margin: 2rem 0 0.75rem;
  color: var(--amber);
}

.legal-page p,
.legal-page li {
  color: var(--muted);
  font-size: 0.95rem;
}

.legal-page ul {
  padding-left: 1.25rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--card-border);
  padding: 2rem 0;
  margin-top: 2rem;
  text-align: center;
  font-size: 0.88rem;
  color: var(--muted);
}

.site-footer .links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

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

.site-footer a:hover {
  color: var(--white);
}

/* Contact */
.contact-box {
  text-align: center;
  max-width: 28rem;
  margin: 0 auto;
}

.contact-box a.email {
  font-size: 1.15rem;
  font-weight: 600;
}

@media (max-width: 600px) {
  .nav {
    gap: 0.75rem;
  }
  .nav .btn {
    padding: 0.6rem 1rem;
    font-size: 0.85rem;
  }
}