/* =========================================================
   Fanny in French — Enhanced CSS
   Art direction: Parisian Modern — elegant, warm, light-only
   Palette: Warm cream · Deep Navy · Crimson accent
   Typography: Playfair Display + DM Sans
   ========================================================= */

/* ─── DESIGN TOKENS ────────────────────────────────────── */
:root {
  /* Colors */
  --color-bg:              #FDFCF9;
  --color-surface:         #FFFFFF;
  --color-surface-2:       #F7F5F0;
  --color-surface-3:       #F0EDE6;
  --color-border:          rgba(26, 43, 72, 0.10);
  --color-divider:         rgba(26, 43, 72, 0.07);
  --color-text:            #1A2B48;
  --color-text-muted:      #4A5E7A;
  --color-text-faint:      #8A9BB5;
  --color-primary:         #D9434E;
  --color-primary-hover:   #C0353F;
  --color-primary-active:  #A62830;
  --color-primary-light:   rgba(217, 67, 78, 0.08);
  --color-navy:            #1A2B48;
  --color-bleu:            #0055A4;
  --color-rouge:           #EF4135;

  /* Social colors */
  --color-yt:              #FF0000;
  --color-ig:              #E1306C;
  --color-tt:              #000000;

  /* Radii */
  --radius-sm: 4px; --radius-md: 8px; --radius-lg: 14px;
  --radius-xl: 20px; --radius-2xl: 28px; --radius-full: 9999px;

  /* Motion */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 200ms;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(26, 43, 72, 0.06);
  --shadow-sm: 0 2px 8px rgba(26, 43, 72, 0.08), 0 1px 2px rgba(26, 43, 72, 0.04);
  --shadow-md: 0 4px 20px rgba(26, 43, 72, 0.10), 0 2px 6px rgba(26, 43, 72, 0.06);
  --shadow-lg: 0 12px 40px rgba(26, 43, 72, 0.13), 0 4px 12px rgba(26, 43, 72, 0.07);
  --shadow-xl: 0 24px 64px rgba(26, 43, 72, 0.16);

  /* Layout */
  --content: 1160px;
  --nav-h: 70px;

  /* Type scale */
  --text-xs: clamp(0.72rem, 0.68rem + 0.2vw, 0.8rem);
  --text-sm: clamp(0.875rem, 0.82rem + 0.28vw, 0.975rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.1rem);
  --text-lg: clamp(1.15rem, 1rem + 0.75vw, 1.4rem);
  --text-xl: clamp(1.5rem, 1.1rem + 1.3vw, 2.2rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-hero: clamp(2.8rem, 1rem + 5.5vw, 5.2rem);

  /* Spacing */
  --sp-1:.25rem;--sp-2:.5rem;--sp-3:.75rem;--sp-4:1rem;--sp-5:1.25rem;--sp-6:1.5rem;
  --sp-8:2rem;--sp-10:2.5rem;--sp-12:3rem;--sp-16:4rem;--sp-20:5rem;--sp-24:6rem;

  /* Fonts */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

/* ─── RESET ─────────────────────────────────────────────── */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100dvh;
  line-height: 1.65;
}
body.is-preloading { overflow: hidden; }
img, video, iframe { display: block; max-width: 100%; }
ul[role="list"] { list-style: none; }
input, button, select { font: inherit; color: inherit; }
h1, h2, h3, h4 {
  text-wrap: balance;
  font-family: var(--font-display);
  line-height: 1.15;
}
p, li { text-wrap: pretty; }
::selection { background: var(--color-primary-light); color: var(--color-text); }
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ─── PRELOADER ──────────────────────────────────────────── */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 20% 20%, rgba(217, 67, 78, 0.18), transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(0, 85, 164, 0.16), transparent 50%),
    var(--color-bg);
  transition: opacity 500ms var(--ease), visibility 500ms var(--ease);
}
.preloader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.preloader-heart {
  width: clamp(120px, 19vw, 165px);
  aspect-ratio: 512 / 460;
  display: grid;
  place-items: center;
  animation: preloaderHeartbeat 1.2s ease-in-out infinite;
}
.preloader-heart-svg {
  width: 100%;
  height: 100%;
  display: block;
  filter: drop-shadow(0 16px 28px rgba(217, 67, 78, 0.32));
}

@keyframes preloaderHeartbeat {
  0%, 100% { transform: scale(1); }
  25% { transform: scale(1.06); }
  50% { transform: scale(0.98); }
  75% { transform: scale(1.04); }
}

/* ─── UTILITIES ──────────────────────────────────────────── */
.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;
}
.skip-link {
  position: absolute; top: var(--sp-2); left: var(--sp-2);
  background: var(--color-primary); color: #fff;
  padding: var(--sp-2) var(--sp-4); border-radius: var(--radius-md);
  font-size: var(--text-sm); font-weight: 600; text-decoration: none;
  transform: translateY(-200%); z-index: 9999;
}
.skip-link:focus { transform: translateY(0); }
.container {
  max-width: var(--content);
  margin-inline: auto;
  padding-inline: clamp(var(--sp-4), 4vw, var(--sp-12));
}
.section { padding-block: clamp(var(--sp-12), 7vw, var(--sp-24)); }
.section-alt { background: var(--color-surface-2); }

/* ─── BUTTONS ────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-6); border-radius: var(--radius-md);
  font-size: var(--text-sm); font-weight: 600; text-decoration: none;
  cursor: pointer; border: 2px solid transparent;
  line-height: 1; white-space: nowrap; min-height: 44px;
  transition: all var(--dur) var(--ease);
}
.btn-primary {
  background: var(--color-primary); color: #fff;
  border-color: var(--color-primary);
}
.btn-primary:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); }
.btn-primary:active { background: var(--color-primary-active); transform: translateY(1px); }
.btn-ghost {
  background: transparent; color: var(--color-text);
  border-color: var(--color-border);
}
.btn-ghost:hover {
  background: var(--color-surface);
  border-color: var(--color-text-muted);
}
.btn-nav {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  background: var(--color-primary); color: #fff;
  padding: var(--sp-2) var(--sp-4); border-radius: var(--radius-md);
  font-size: var(--text-xs); font-weight: 600; text-decoration: none;
  min-height: 36px; transition: all var(--dur) var(--ease);
  border: none;
}
.btn-nav:hover { background: var(--color-primary-hover); }

/* ─── NAVIGATION ──────────────────────────────────────────── */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(253, 252, 249, 0.88);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow 300ms var(--ease), background 300ms var(--ease);
}
.site-header.scrolled { box-shadow: var(--shadow-sm); }
.nav-inner {
  display: flex; align-items: center;
  gap: var(--sp-6); height: var(--nav-h);
}
.nav-logo {
  display: flex; align-items: center; gap: var(--sp-2);
  text-decoration: none; color: var(--color-text); flex-shrink: 0;
}
.nav-logo-icon { font-size: 1.25rem; line-height: 1; }
.nav-logo-icon img {
  width: 1.25rem;
  height: 1.25rem;
  display: block;
}
.nav-logo-text {
  font-family: var(--font-display);
  font-size: var(--text-base); font-weight: 600;
}
.nav-logo-text em { font-style: italic; color: var(--color-primary); }
.nav-links {
  display: flex; align-items: center; gap: var(--sp-1);
  list-style: none; margin-left: auto;
}
.nav-links a:not(.btn-nav) {
  text-decoration: none; color: var(--color-text-muted);
  font-size: var(--text-sm); padding: var(--sp-2) var(--sp-3);
  border-radius: var(--radius-md); font-weight: 500;
  transition: all var(--dur) var(--ease);
}
.nav-links a:not(.btn-nav):hover {
  color: var(--color-text); background: var(--color-surface-2);
}

/* ─── HAMBURGER BUTTON ────────────────────────────────────── */
.nav-toggle {
  display: none;
  align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  cursor: pointer;
  margin-left: auto;
  flex-shrink: 0;
  transition: all var(--dur) var(--ease);
}
.nav-toggle:hover { background: var(--color-surface-2); }
.hamburger-icon {
  display: flex; flex-direction: column;
  justify-content: center; gap: 5px;
  width: 20px; height: 20px;
}
.hamburger-icon span {
  display: block; height: 2px; width: 100%;
  background: var(--color-text); border-radius: 2px;
  transition: all 350ms var(--ease);
  transform-origin: center;
}
/* Animated X state */
.nav-toggle.is-open .hamburger-icon span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.is-open .hamburger-icon span:nth-child(2) {
  opacity: 0; transform: scaleX(0);
}
.nav-toggle.is-open .hamburger-icon span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ─── MOBILE MENU PANEL ───────────────────────────────────── */
.mobile-menu {
  position: fixed;
  top: 0; right: 0;
  width: min(360px, 100vw);
  height: 100dvh;
  background: var(--color-surface);
  z-index: 200;
  box-shadow: var(--shadow-xl);
  display: flex; flex-direction: column;
  transform: translateX(100%);
  transition: transform 400ms var(--ease-out);
  overflow-y: auto;
}
.mobile-menu.is-open {
  transform: translateX(0);
}
.mobile-menu-header {
  display: flex; align-items: center;
  justify-content: space-between;
  padding: var(--sp-5) var(--sp-6);
  border-bottom: 1px solid var(--color-border);
}
.mobile-menu-header .nav-logo-text {
  font-size: var(--text-lg);
}
.mobile-close {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  border-radius: var(--radius-full);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  cursor: pointer;
  color: var(--color-text);
  transition: all var(--dur) var(--ease);
}
.mobile-close:hover { background: var(--color-primary-light); color: var(--color-primary); }
.mobile-nav-links {
  list-style: none;
  padding: var(--sp-6) var(--sp-4) var(--sp-4);
  display: flex; flex-direction: column; gap: var(--sp-1);
  flex: 1;
}
.mobile-link {
  display: block;
  padding: var(--sp-4) var(--sp-4);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  transition: all var(--dur) var(--ease);
  border: 1px solid transparent;
}
.mobile-link:hover {
  background: var(--color-surface-2);
  border-color: var(--color-border);
  color: var(--color-primary);
  padding-left: var(--sp-6);
}
.mobile-social {
  padding: var(--sp-6);
  border-top: 1px solid var(--color-border);
  display: flex; flex-direction: column; gap: var(--sp-3);
}
.mobile-social-btn {
  display: flex; align-items: center; gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm); font-weight: 600;
  text-decoration: none;
  transition: all var(--dur) var(--ease);
  border: 1px solid;
}
.mobile-social-btn.yt {
  color: var(--color-yt); border-color: rgba(255,0,0,0.2);
  background: rgba(255,0,0,0.04);
}
.mobile-social-btn.yt:hover { background: rgba(255,0,0,0.08); }
.mobile-social-btn.ig {
  color: var(--color-ig); border-color: rgba(225,48,108,0.2);
  background: rgba(225,48,108,0.04);
}
.mobile-social-btn.ig:hover { background: rgba(225,48,108,0.08); }
.mobile-social-btn.tt {
  color: var(--color-tt); border-color: rgba(0,0,0,0.12);
  background: rgba(0,0,0,0.03);
}
.mobile-social-btn.tt:hover { background: rgba(0,0,0,0.07); }

/* Mobile backdrop */
.mobile-backdrop {
  position: fixed; inset: 0;
  background: rgba(26, 43, 72, 0.4);
  backdrop-filter: blur(4px);
  z-index: 150;
  opacity: 0; pointer-events: none;
  transition: opacity 400ms var(--ease);
}
.mobile-backdrop.is-visible {
  opacity: 1; pointer-events: all;
}

/* ─── SECTION TYPOGRAPHY ─────────────────────────────────── */
.section-eyebrow {
  font-size: var(--text-xs); font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--color-primary); margin-bottom: var(--sp-3);
}
.section-title {
  font-size: var(--text-xl); color: var(--color-text);
  margin-bottom: var(--sp-4); max-width: 22ch;
}
.section-sub {
  color: var(--color-text-muted); font-size: var(--text-base);
  max-width: 55ch; margin-bottom: clamp(var(--sp-8), 4vw, var(--sp-14));
  line-height: 1.7;
}

/* ─── HERO ────────────────────────────────────────────────── */
.hero {
  position: relative; overflow: hidden;
  padding-block: clamp(var(--sp-20), 12vw, var(--sp-24));
  padding-top: calc(clamp(var(--sp-20), 12vw, var(--sp-24)) + var(--nav-h));
  background: var(--color-surface);
}
.hero-bg-deco {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 55% 50% at 75% 25%, rgba(217,67,78,0.07), transparent),
    radial-gradient(ellipse 45% 55% at 15% 80%, rgba(0,85,164,0.05), transparent),
    radial-gradient(ellipse 30% 40% at 50% 50%, rgba(253,252,249,0), transparent);
}
.tricolore {
  position: absolute; top: 0; left: 0; bottom: 0;
  display: flex; flex-direction: column; width: 4px;
}
.tricolore span { flex: 1; }
.tc-blue { background: var(--color-bleu); }
.tc-white { background: #fff; border: 1px solid var(--color-divider); }
.tc-red { background: var(--color-rouge); }

.hero-content {
  display: grid; grid-template-columns: 1fr auto;
  align-items: center;
  gap: clamp(var(--sp-8), 5vw, var(--sp-16)); position: relative;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  font-size: var(--text-xs); font-weight: 600;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--color-primary); background: var(--color-primary-light);
  padding: var(--sp-1) var(--sp-3); border-radius: var(--radius-full);
  margin-bottom: var(--sp-5);
  border: 1px solid rgba(217,67,78,0.2);
}
h1 {
  font-size: var(--text-hero); font-weight: 700;
  color: var(--color-text); margin-bottom: var(--sp-6);
  letter-spacing: -.02em;
}
h1 em { color: var(--color-primary); font-style: italic; }
.hero-sub {
  color: var(--color-text-muted); font-size: var(--text-lg);
  max-width: 46ch; margin-bottom: var(--sp-8); line-height: 1.6;
}
.hero-actions {
  display: flex; flex-wrap: wrap; gap: var(--sp-3);
  margin-bottom: var(--sp-10);
}
.hero-stats {
  display: flex; align-items: center; gap: var(--sp-4);
  font-size: var(--text-sm); color: var(--color-text-muted);
  margin-bottom: var(--sp-8);
}
.stat { display: flex; align-items: baseline; gap: var(--sp-2); }
.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-lg); font-weight: 700;
  color: var(--color-text);
}
.stat-sep { color: var(--color-divider); font-size: var(--text-lg); }

/* ─── HERO SOCIAL PILLS ───────────────────────────────────── */
.hero-social {
  display: flex; align-items: center;
  flex-wrap: wrap; gap: var(--sp-2);
}
.hero-social-label {
  font-size: var(--text-xs); color: var(--color-text-faint);
  font-weight: 500; margin-right: var(--sp-1);
}
.social-pill {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  padding: var(--sp-1) var(--sp-3); border-radius: var(--radius-full);
  font-size: var(--text-xs); font-weight: 600;
  text-decoration: none; border: 1px solid;
  transition: all var(--dur) var(--ease);
}
.social-pill.yt {
  color: var(--color-yt); border-color: rgba(255,0,0,0.25);
  background: rgba(255,0,0,0.05);
}
.social-pill.yt:hover { background: rgba(255,0,0,0.1); }
.social-pill.ig {
  color: var(--color-ig); border-color: rgba(225,48,108,0.25);
  background: rgba(225,48,108,0.05);
}
.social-pill.ig:hover { background: rgba(225,48,108,0.1); }
.social-pill.tt {
  color: #333; border-color: rgba(0,0,0,0.15);
  background: rgba(0,0,0,0.04);
}
.social-pill.tt:hover { background: rgba(0,0,0,0.08); }

/* ─── HERO VOCAB CARDS ────────────────────────────────────── */
.hero-cards {
  display: flex; flex-direction: column;
  gap: var(--sp-3); flex-shrink: 0; width: 230px;
}
.vocab-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--sp-4) var(--sp-5);
  box-shadow: var(--shadow-md);
  animation: float 4s ease-in-out infinite;
}
.vc1 { animation-delay: 0s; }
.vc2 { animation-delay: 1.3s; transform: translateX(24px); }
.vc3 { animation-delay: 2.6s; }
.vc-flag { font-size: 1.5rem; margin-bottom: var(--sp-2); }
.vc-flag img {
  width: 1.5rem;
  height: 1.5rem;
  display: block;
}
.vc-word {
  font-family: var(--font-display); font-weight: 700;
  font-size: var(--text-base); color: var(--color-text);
}
.vc-tr {
  font-size: var(--text-xs); color: var(--color-text-muted);
  margin-top: var(--sp-1);
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
.vc2 { animation-name: float2; }
@keyframes float2 {
  0%, 100% { transform: translateX(24px) translateY(0); }
  50% { transform: translateX(24px) translateY(-8px); }
}

/* ─── FEATURED VIDEO ─────────────────────────────────────── */
.featured-layout {
  display: grid; grid-template-columns: 1fr;
  gap: clamp(var(--sp-8), 4vw, var(--sp-12));
  align-items: start;
}
.video-container {
  position: relative; padding-bottom: 56.25%;
  height: 0; overflow: hidden;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}
.video-container iframe {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%; border: 0;
}

/* ─── LESSON CARDS ────────────────────────────────────────── */
.lessons-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
}

/* Featured card — full row */
.lesson-card.featured-card {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-primary-light) 100%);
  border: 1.5px solid rgba(217, 67, 78, 0.18);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: box-shadow 300ms var(--ease), transform 300ms var(--ease);
}
.lesson-card.featured-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}
.featured-card-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: var(--sp-12);
  padding: clamp(var(--sp-8), 4vw, var(--sp-10));
}
.featured-card-left {
  display: flex; flex-direction: column;
  align-items: flex-start; gap: var(--sp-3);
}
.featured-card-left h3 {
  font-size: var(--text-xl);
  color: var(--color-text);
  margin: 0;
}
.featured-card-left p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  margin: 0;
  max-width: 48ch;
  line-height: 1.6;
}
.featured-card-media {
  width: min(420px, 100%);
  justify-self: end;
}
.featured-card-media img {
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  background: var(--color-surface);
}
.card-icon-wrap {
  width: 56px; height: 56px;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-xs);
}
.card-icon-wrap.sm {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
}
.card-icon { font-size: 1.75rem; line-height: 1; }
.card-badge {
  display: inline-flex; align-items: center;
  font-size: var(--text-xs); font-weight: 700;
  letter-spacing: .05em;
  background: var(--color-primary); color: #fff;
  padding: 3px var(--sp-3); border-radius: var(--radius-full);
}

/* Deco area in featured card */
.featured-card-deco {
  display: flex; flex-direction: column;
  align-items: center; gap: var(--sp-4);
  padding: var(--sp-6);
}
.deco-circle {
  width: 100px; height: 100px;
  background: var(--color-surface);
  border-radius: var(--radius-full);
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}
.deco-tag {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--text-xs); font-weight: 600;
  color: var(--color-text-muted);
  box-shadow: var(--shadow-xs);
}

/* Card link button (featured) */
.card-link-btn {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  background: var(--color-primary); color: #fff;
  padding: var(--sp-3) var(--sp-5); border-radius: var(--radius-md);
  font-size: var(--text-sm); font-weight: 600;
  text-decoration: none;
  transition: all var(--dur) var(--ease);
  margin-top: var(--sp-1);
}
.card-link-btn:hover { background: var(--color-primary-hover); gap: var(--sp-3); }

/* Regular lesson cards */
.lesson-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 12px;
  transition: box-shadow 250ms var(--ease), transform 250ms var(--ease), border-color 250ms var(--ease);
  display: flex; flex-direction: column;
  box-shadow: var(--shadow-xs);
   
}
.lesson-card:not(.featured-card):hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: rgba(217,67,78,0.2);
}
.card-top {
  margin-bottom: var(--sp-4);
}
.lesson-card h3 {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--sp-2);
}
.lesson-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  flex: 1;
  margin-bottom: var(--sp-4);
  line-height: 1.6;
}
.card-meta {
  display: flex; flex-wrap: wrap; gap: var(--sp-2);
  margin-bottom: var(--sp-5);
}
.meta-pill {
  display: inline-block;
  font-size: var(--text-xs); font-weight: 600;
  padding: 2px var(--sp-3); border-radius: var(--radius-full);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}
.meta-pill.level.all { background: rgba(0,85,164,0.07); color: var(--color-bleu); border-color: rgba(0,85,164,0.15); }
.meta-pill.level.intermediate { background: rgba(217,67,78,0.07); color: var(--color-primary); border-color: rgba(217,67,78,0.15); }
.meta-pill.level.beginner { background: rgba(34,165,90,0.08); color: #1a7a45; border-color: rgba(34,165,90,0.2); }
.meta-pill.level.teachers { background: rgba(147,51,234,0.07); color: #7e22ce; border-color: rgba(147,51,234,0.15); }

.card-link {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  font-size: var(--text-sm); font-weight: 600;
  color: var(--color-primary); text-decoration: none;
  margin-top: auto;
  transition: all var(--dur) var(--ease);
}
.card-link:hover { color: var(--color-primary-hover); gap: var(--sp-3); }

/* ─── QUIZ ────────────────────────────────────────────────── */
.quiz-widget {
  max-width: 640px; margin-inline: auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(var(--sp-6), 4vw, var(--sp-10));
  box-shadow: var(--shadow-md);
}
.quiz-progress-bar-wrap {
  height: 4px; background: var(--color-surface-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--sp-8); overflow: hidden;
}
.quiz-progress-fill {
  height: 100%; background: var(--color-primary);
  border-radius: var(--radius-full); width: 0%;
  transition: width 400ms var(--ease);
}
.quiz-question {
  font-family: var(--font-display); font-size: var(--text-lg);
  font-weight: 600; color: var(--color-text); margin-bottom: var(--sp-6);
}
.quiz-q-num {
  font-size: var(--text-xs); font-weight: 600;
  text-transform: uppercase; letter-spacing: .08em;
  color: var(--color-primary); margin-bottom: var(--sp-2);
}
.quiz-options { display: flex; flex-direction: column; gap: var(--sp-3); }
.quiz-opt {
  text-align: left;
  padding: var(--sp-4) var(--sp-5);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg); color: var(--color-text);
  font-size: var(--text-sm); font-weight: 500;
  cursor: pointer;
  transition: all 180ms var(--ease);
}
.quiz-opt:hover:not(:disabled) {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}
.quiz-opt.correct {
  border-color: #22a55a; background: rgba(34,165,90,0.09); color: #22a55a;
}
.quiz-opt.wrong {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  color: var(--color-primary);
}
.quiz-opt:disabled { cursor: default; }
.quiz-feedback {
  margin-top: var(--sp-5); padding: var(--sp-4);
  border-radius: var(--radius-md); font-size: var(--text-sm);
  border: 1px solid transparent;
}
.quiz-feedback.ok {
  background: rgba(34,165,90,0.09); border-color: rgba(34,165,90,0.25); color: #1a7a45;
}
.quiz-feedback.fail {
  background: var(--color-primary-light);
  border-color: rgba(217,67,78,0.25); color: var(--color-primary-active);
}
.quiz-next {
  margin-top: var(--sp-6); width: 100%; padding: var(--sp-4);
  background: var(--color-text); color: #fff;
  border-radius: var(--radius-md); font-size: var(--text-sm);
  font-weight: 600; border: none; cursor: pointer;
  transition: all var(--dur) var(--ease);
}
.quiz-next:hover { background: var(--color-navy); }
.quiz-score { text-align: center; padding: var(--sp-6) 0; }
.quiz-score .score-num {
  font-family: var(--font-display); font-size: var(--text-2xl);
  font-weight: 700; color: var(--color-primary);
  display: block; margin-bottom: var(--sp-2);
}
.quiz-score p { color: var(--color-text-muted); margin-bottom: var(--sp-6); }
.quiz-retry {
  background: var(--color-primary); color: #fff; border: none;
  padding: var(--sp-3) var(--sp-8); border-radius: var(--radius-md);
  font-size: var(--text-sm); font-weight: 600; cursor: pointer;
  transition: all var(--dur) var(--ease);
}
.quiz-retry:hover { background: var(--color-primary-hover); }

/* ─── ABOUT ───────────────────────────────────────────────── */
.about-layout {
  display: grid; grid-template-columns: 380px 1fr;
  gap: clamp(var(--sp-8), 6vw, var(--sp-16)); align-items: center;
}
.about-img-col { position: relative; }
.about-img-frame {
  border-radius: var(--radius-xl); overflow: hidden;
  box-shadow: var(--shadow-lg); border: 1px solid var(--color-border);
}
.about-img-frame img { width: 100%; height: auto; object-fit: cover; }
.about-accent-card {
  position: absolute;
  background: var(--color-primary); color: #fff;
  padding: var(--sp-4) var(--sp-5); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md); text-align: center;
  bottom: -1rem; right: -1rem;
}
.accent-num {
  display: block; font-family: var(--font-display);
  font-size: var(--text-xl); font-weight: 700;
}
.about-accent-card span:last-child { font-size: var(--text-xs); opacity: .88; }
.about-text-col p {
  color: var(--color-text-muted); margin-bottom: var(--sp-4); max-width: 55ch;
}
.pillars {
  display: flex; flex-direction: column;
  gap: var(--sp-3); margin-block: var(--sp-6);
}
.pillar {
  display: flex; align-items: flex-start; gap: var(--sp-3);
  padding: var(--sp-4); background: var(--color-surface);
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
}
.pillar > span:first-child { font-size: 1.3rem; flex-shrink: 0; }
.pillar strong {
  display: block; font-size: var(--text-sm);
  font-weight: 600; color: var(--color-text); margin-bottom: var(--sp-1);
}
.pillar p { font-size: var(--text-xs); color: var(--color-text-muted); margin: 0; }

/* About social buttons */
.about-social { margin-bottom: var(--sp-6); }
.about-social-label {
  font-size: var(--text-xs); font-weight: 600;
  color: var(--color-text-faint); text-transform: uppercase;
  letter-spacing: .08em; margin-bottom: var(--sp-3); display: block;
}
.about-social-links { display: flex; flex-wrap: wrap; gap: var(--sp-3); }
.about-social-btn {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4); border-radius: var(--radius-md);
  font-size: var(--text-sm); font-weight: 600; text-decoration: none;
  border: 1px solid; transition: all var(--dur) var(--ease);
}
.about-social-btn.yt { color: var(--color-yt); border-color: rgba(255,0,0,0.25); background: rgba(255,0,0,0.04); }
.about-social-btn.yt:hover { background: rgba(255,0,0,0.1); }
.about-social-btn.ig { color: var(--color-ig); border-color: rgba(225,48,108,0.25); background: rgba(225,48,108,0.04); }
.about-social-btn.ig:hover { background: rgba(225,48,108,0.1); }
.about-social-btn.tt { color: #333; border-color: rgba(0,0,0,0.15); background: rgba(0,0,0,0.03); }
.about-social-btn.tt:hover { background: rgba(0,0,0,0.07); }

/* ─── CTA SECTION ─────────────────────────────────────────── */
.section-cta {
  background: var(--color-navy);
  padding-block: clamp(var(--sp-12), 7vw, var(--sp-20));
}
.cta-inner {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(var(--sp-8), 5vw, var(--sp-16)); align-items: center;
}
.cta-eyebrow {
  font-size: var(--text-xs); font-weight: 600;
  text-transform: uppercase; letter-spacing: .1em;
  color: var(--color-primary); margin-bottom: var(--sp-3); display: block;
}
.cta-inner h2 { color: #fff; font-size: var(--text-xl); margin-bottom: var(--sp-3); }
.cta-inner p { color: rgba(255,255,255,0.7); font-size: var(--text-base); }
.input-group { display: flex; gap: var(--sp-3); flex-wrap: wrap; }
.input-group input {
  flex: 1; min-width: 200px; padding: var(--sp-3) var(--sp-4);
  border: 2px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.08); color: #fff;
  border-radius: var(--radius-md); font-size: var(--text-sm);
}
.input-group input::placeholder { color: rgba(255,255,255,0.45); }
.input-group input:focus { outline: none; border-color: var(--color-primary); }
.form-msg {
  margin-top: var(--sp-3); font-size: var(--text-sm);
  color: rgba(255,255,255,0.8); min-height: 1.2em;
}

/* ─── FOOTER ──────────────────────────────────────────────── */
.site-footer {
  margin-top: var(--sp-12);
  padding-top: var(--sp-6);
  background: var(--color-surface-2);
  border-top: 1px solid var(--color-border);
}
.footer-inner {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr;
  align-items: start; gap: var(--sp-10);
  padding-block: clamp(var(--sp-8), 4vw, var(--sp-14));
}
.footer-brand p {
  margin-top: var(--sp-3); font-size: var(--text-sm); color: var(--color-text-muted);
}
.footer-social {
  display: flex; align-items: center; gap: var(--sp-2);
  margin-top: var(--sp-4);
}
.footer-social-icon {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: var(--radius-md);
  text-decoration: none; border: 1px solid;
  transition: all var(--dur) var(--ease);
}
.footer-social-icon.yt { color: var(--color-yt); border-color: rgba(255,0,0,0.2); background: rgba(255,0,0,0.04); }
.footer-social-icon.yt:hover { background: rgba(255,0,0,0.12); }
.footer-social-icon.ig { color: var(--color-ig); border-color: rgba(225,48,108,0.2); background: rgba(225,48,108,0.04); }
.footer-social-icon.ig:hover { background: rgba(225,48,108,0.12); }
.footer-social-icon.tt { color: #333; border-color: rgba(0,0,0,0.12); background: rgba(0,0,0,0.03); }
.footer-social-icon.tt:hover { background: rgba(0,0,0,0.08); }

.footer-col-title {
  font-size: var(--text-xs); font-weight: 700;
  text-transform: uppercase; letter-spacing: .1em;
  color: var(--color-text); margin-bottom: var(--sp-4);
}
.footer-links { list-style: none; display: flex; flex-direction: column; gap: var(--sp-2); }
.footer-links a {
  text-decoration: none; font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--dur) var(--ease);
}
.footer-links a:hover { color: var(--color-primary); }
.yt-btn {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  background: #FF0000; color: #fff;
  padding: var(--sp-3) var(--sp-5); border-radius: var(--radius-md);
  text-decoration: none; font-size: var(--text-sm); font-weight: 600;
  transition: all var(--dur) var(--ease);
}
.yt-btn:hover { background: #CC0000; }
.footer-yt-sub {
  font-size: var(--text-xs); color: var(--color-text-faint);
  margin-top: var(--sp-3);
}
.footer-bottom {
  border-top: 1px solid var(--color-divider);
  padding: var(--sp-4) clamp(var(--sp-4), 4vw, var(--sp-12));
}
.footer-bottom p {
  font-size: var(--text-xs); color: var(--color-text-faint); text-align: center;
}

/* ─── SCROLL REVEAL ───────────────────────────────────────── */
.reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ─── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  .lessons-grid { grid-template-columns: repeat(2, 1fr); }
  .featured-card-inner { grid-template-columns: 1fr; gap: var(--sp-6); }
  .featured-card-media { justify-self: start; width: 100%; max-width: 560px; }
  .featured-card-deco { flex-direction: row; flex-wrap: wrap; justify-content: flex-start; padding: 0; }
}

@media (max-width: 900px) {
  .hero-content { grid-template-columns: 1fr; }
  .hero-cards { flex-direction: row; width: auto; flex-wrap: wrap; }
  .vocab-card.vc2 { transform: none; }
  .about-layout { grid-template-columns: 1fr; }
  .about-img-col { max-width: 380px; margin-inline: auto; }
  .cta-inner { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: var(--sp-8); }
}

@media (max-width: 700px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .lessons-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: var(--sp-6); }
}

@media (max-width: 480px) {
  .hero-cards { display: none; }
  .featured-card-inner { padding: var(--sp-6); }
}