/* ==========================================================================
   Espace CS — Styles
   Mobile-first, RGPD-compliant (self-hosted fonts)
   ========================================================================== */

/* --------------------------------------------------------------------------
   Fonts (self-hosted)
   -------------------------------------------------------------------------- */
@font-face {
  font-family: 'Playfair Display';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/playfair-display-v30-latin-regular.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Playfair Display';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('fonts/playfair-display-v30-latin-700.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Playfair Display';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/playfair-display-v30-latin-italic.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Source Sans 3';
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url('fonts/source-sans-3-v8-latin-300.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Source Sans 3';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/source-sans-3-v8-latin-regular.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Source Sans 3';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('fonts/source-sans-3-v8-latin-600.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* --------------------------------------------------------------------------
   Custom Properties
   -------------------------------------------------------------------------- */
:root {
  --color-bg: #0f172a;
  --color-card: #1e293b;
  --color-gold: #d4a853;
  --color-gold-light: #e9c97a;
  --color-cream: #f1f5f9;
  --color-muted: #94a3b8;
  --color-border: rgba(212, 168, 83, 0.15);
  --color-border-strong: rgba(212, 168, 83, 0.3);

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Source Sans 3', 'Segoe UI', Roboto, sans-serif;

  --sticky-height: 56px;
}

/* --------------------------------------------------------------------------
   Reset
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-cream);
  background-color: var(--color-bg);
  padding-bottom: var(--sticky-height);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-gold);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-gold-light);
}

ul {
  list-style: none;
}

/* --------------------------------------------------------------------------
   Skip Link (Accessibility)
   -------------------------------------------------------------------------- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-gold);
  color: var(--color-bg);
  padding: 0.5rem 1rem;
  border-radius: 0 0 0.5rem 0.5rem;
  z-index: 300;
  font-weight: 600;
}

.skip-link:focus {
  top: 0;
  color: var(--color-bg);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 0.5rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn--gold {
  background: var(--color-gold);
  color: var(--color-bg);
}

.btn--gold:hover {
  background: var(--color-gold-light);
  color: var(--color-bg);
}

.btn--outline {
  background: transparent;
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.btn--outline:hover {
  background: var(--color-gold);
  color: var(--color-bg);
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 3rem 1.5rem;
  background: linear-gradient(180deg, var(--color-card) 0%, var(--color-bg) 100%);
}

.hero__logo {
  width: 100px;
  height: 100px;
  border-radius: 1rem;
  margin-bottom: 1.5rem;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.3));
}

.hero__title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-cream);
  margin-bottom: 0.5rem;
}

.hero__subtitle {
  font-family: var(--font-body);
  font-size: 1.125rem;
  font-weight: 300;
  color: var(--color-muted);
  margin-bottom: 0.5rem;
}

.hero__tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.25rem;
  color: var(--color-gold);
  margin-bottom: 2rem;
}

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
.nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}

.nav a {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-muted);
}

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

/* --------------------------------------------------------------------------
   Highlights Cards
   -------------------------------------------------------------------------- */
.highlights {
  display: grid;
  gap: 1rem;
  padding: 2rem 1.5rem;
}

.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  padding: 1.5rem;
  text-align: center;
}

.card__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--color-gold);
  margin-bottom: 0.5rem;
}

.card__text {
  font-size: 0.9375rem;
  color: var(--color-muted);
}

/* --------------------------------------------------------------------------
   Section Title
   -------------------------------------------------------------------------- */
.section-title {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.75rem;
  color: var(--color-gold);
  text-align: center;
  margin-bottom: 2rem;
  position: relative;
  padding-bottom: 1rem;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background: var(--color-gold);
}

/* --------------------------------------------------------------------------
   Features
   -------------------------------------------------------------------------- */
.features {
  padding: 3rem 1.5rem;
}

.feature-category {
  margin-bottom: 2.5rem;
}

.feature-category__title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-cream);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.feature-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.25rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-border);
}

.feature-item__name {
  font-weight: 600;
  color: var(--color-cream);
}

.feature-item__desc {
  font-size: 0.875rem;
  color: var(--color-muted);
}

/* --------------------------------------------------------------------------
   Pricing
   -------------------------------------------------------------------------- */
.pricing {
  padding: 3rem 1.5rem;
  background: var(--color-card);
}

.pricing__grid {
  display: grid;
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto;
}

.plan {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 1rem;
  padding: 2rem 1.5rem;
  text-align: center;
  position: relative;
}

.plan--highlighted {
  border-color: var(--color-gold);
  box-shadow: 0 0 30px rgba(212, 168, 83, 0.15);
}

.plan__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-gold);
  color: var(--color-bg);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 1rem;
  border-radius: 1rem;
}

.plan__name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-cream);
  margin-bottom: 1rem;
}

.plan__price {
  margin-bottom: 0.5rem;
}

.plan__amount {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-gold);
}

.plan__period {
  font-size: 1rem;
  color: var(--color-muted);
}

.plan__desc {
  font-size: 0.875rem;
  color: var(--color-muted);
  margin-bottom: 1.5rem;
}

.plan__features {
  text-align: left;
  margin-bottom: 1.5rem;
}

.plan__features li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--color-cream);
  font-size: 0.9375rem;
}

.plan__features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-gold);
  font-weight: 700;
}

/* --------------------------------------------------------------------------
   Security
   -------------------------------------------------------------------------- */
.security {
  padding: 3rem 1.5rem;
}

.security__grid {
  display: grid;
  gap: 1.5rem;
}

.security__item {
  text-align: center;
  padding: 1.5rem;
}

.security__icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 1rem;
}

.security__title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  color: var(--color-cream);
  margin-bottom: 0.5rem;
}

.security__desc {
  font-size: 0.875rem;
  color: var(--color-muted);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 3rem 1.5rem;
  background: var(--color-card);
  border-top: 1px solid var(--color-border);
}

.footer__logo {
  width: 60px;
  height: 60px;
  border-radius: 0.75rem;
  margin-bottom: 1.5rem;
}

.footer .btn {
  margin-bottom: 1.5rem;
}

.footer__contact {
  font-style: normal;
  margin-bottom: 1.5rem;
}

.footer__contact a {
  color: var(--color-cream);
}

.footer__contact a:hover {
  color: var(--color-gold);
}

.footer__copyright {
  font-size: 0.875rem;
  color: var(--color-muted);
  margin-bottom: 0.5rem;
}

.footer__legal {
  font-size: 0.8125rem;
  color: var(--color-muted);
}

/* --------------------------------------------------------------------------
   Modal (CSS-only)
   -------------------------------------------------------------------------- */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal:target {
  opacity: 1;
  visibility: visible;
}

.modal__overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
}

.modal__content {
  position: relative;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 1rem;
  padding: 2rem;
  max-width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.modal:target .modal__content {
  transform: scale(1);
}

.modal__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 1.5rem;
  color: var(--color-muted);
  line-height: 1;
}

.modal__close:hover {
  color: var(--color-cream);
}

.modal__content h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-gold);
  margin-bottom: 1.5rem;
}

.modal__content h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-cream);
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

.modal__content p {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Sticky CTA (Mobile)
   -------------------------------------------------------------------------- */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--sticky-height);
  background: var(--color-gold);
  z-index: 100;
}

.sticky-cta__link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  height: 100%;
  color: var(--color-bg);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sticky-cta__link:hover {
  color: var(--color-bg);
  background: var(--color-gold-light);
}

/* ==========================================================================
   Responsive — 640px
   ========================================================================== */
@media (min-width: 640px) {
  .hero__logo {
    width: 120px;
    height: 120px;
  }

  .hero__title {
    font-size: 3rem;
  }

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

  .features {
    max-width: 700px;
    margin: 0 auto;
  }

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

  .modal__content {
    max-width: 500px;
    padding: 2.5rem;
  }
}

/* ==========================================================================
   Responsive — 960px
   ========================================================================== */
@media (min-width: 960px) {
  body {
    padding-bottom: 0;
  }

  .hero {
    padding: 5rem 2rem;
  }

  .hero__logo {
    width: 140px;
    height: 140px;
  }

  .hero__title {
    font-size: 3.5rem;
  }

  .hero__subtitle {
    font-size: 1.25rem;
  }

  .hero__tagline {
    font-size: 1.5rem;
  }

  .nav {
    gap: 2rem;
  }

  .features {
    max-width: 900px;
  }

  .feature-category {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 2rem;
    align-items: start;
  }

  .feature-category__title {
    border-bottom: none;
    margin-bottom: 0;
  }

  .pricing__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }

  .security__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .sticky-cta {
    display: none;
  }
}