/* === RESET === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

/* === VARIABLES — Korean Minimal === */
:root {
    --bg: #f8f7f4;
    --bg-alt: #f0efe9;
    --text: #2c2c2c;
    --text-light: #8a8a8a;
    --accent: #d4c9b8;
    --accent-dark: #b8a88e;
    --border: #e5e0d8;
    --white: #ffffff;
    --font-kr: 'Noto Sans KR', sans-serif;
    --font-serif: 'Cormorant Garamond', serif;
    --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --success: #a0d2b6;
    --error: #d4a0a0;
    --radius: 0;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 4rem;
}

/* Dark mode */
[data-theme="dark"] {
    --bg: #1a1a1a;
    --bg-alt: #222222;
    --text: #e0ddd5;
    --text-light: #99958c;
    --accent: #a89878;
    --accent-dark: #c4b496;
    --border: #333333;
    --white: #1e1e1e;
}

body {
    font-family: var(--font-kr);
    background: var(--bg);
    color: var(--text);
    line-height: 1.8;
    font-weight: 300;
    -webkit-font-smoothing: antialiased;
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4 {
    font-weight: 300;
    line-height: 1.4;
    letter-spacing: 0.05em;
}

.section-title {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--text);
    font-weight: 300;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    max-width: 540px;
    margin: 0 auto 3rem;
    font-size: 0.95rem;
    font-weight: 300;
}

/* === NAV === */
.nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    background: rgba(248, 247, 244, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    text-decoration: none;
    color: var(--text);
    letter-spacing: 0.2em;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-light);
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    transition: color var(--transition);
}

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

.btn-nav {
    background: var(--text);
    color: var(--white) !important;
    padding: 0.5rem 1.2rem;
    border-radius: 2px;
    font-size: 0.8rem !important;
    transition: background var(--transition) !important;
}

.btn-nav:hover { background: #444 !important; }

.hamburger { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; }

/* === HERO === */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 6rem 2rem 4rem;
    position: relative;
    background: linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%);
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    font-weight: 400;
    font-style: italic;
    margin-bottom: 1rem;
    letter-spacing: 0.1em;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.hero-desc {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
}

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

/* === BUTTONS === */
.btn-primary {
    background: var(--text);
    color: var(--white);
    padding: 0.85rem 2.2rem;
    border: none;
    border-radius: 2px;
    font-family: var(--font-kr);
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: background var(--transition);
    font-weight: 400;
}

.btn-primary:hover { background: #444; }

.btn-ghost {
    color: var(--text);
    padding: 0.85rem 2.2rem;
    border: 1px solid var(--border);
    border-radius: 2px;
    text-decoration: none;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    transition: border-color var(--transition);
}

.btn-ghost:hover { border-color: var(--text); }

.btn-full { width: 100%; }

/* === SECTIONS === */
.section {
    padding: 6rem 2rem;
}

.section-inner {
    max-width: 1000px;
    margin: 0 auto;
}

/* === APPROCHE === */
.approche-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.card {
    background: var(--white);
    padding: 2.5rem 2rem;
    border: 1px solid var(--border);
    text-align: center;
    transition: transform var(--transition);
}

.card:hover { transform: translateY(-4px); }

.card-number {
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--accent-dark);
    margin-bottom: 1rem;
}

.card h3 {
    font-size: 1rem;
    margin-bottom: 1rem;
    letter-spacing: 0.1em;
}

.card p { color: var(--text-light); font-size: 0.9rem; }

/* === TEMOIGNAGES === */
.temoignages {
    background: var(--bg-alt);
}
.temoignages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.temoignage-card {
    background: var(--white);
    padding: 2rem 1.8rem;
    border: 1px solid var(--border);
    transition: transform var(--transition);
}
.temoignage-card:hover { transform: translateY(-3px); }
.temoignage-text {
    font-size: 0.85rem;
    line-height: 1.8;
    color: var(--text);
    margin-bottom: 1.5rem;
    font-style: italic;
}
.temoignage-author {
    display: flex;
    gap: 0.8rem;
    align-items: center;
}
.temoignage-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 0.9rem;
    color: var(--text);
    flex-shrink: 0;
}
.temoignage-author strong {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.05em;
}
.temoignage-author span {
    font-size: 0.7rem;
    color: var(--text-light);
}

/* === PARCOURS === */
.parcours-list { max-width: 600px; margin: 0 auto; }

.parcours-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border);
}

.parcours-step {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--accent-dark);
    min-width: 2rem;
}

.parcours-item h3 { font-size: 0.95rem; margin-bottom: 0.3rem; letter-spacing: 0.08em; }
.parcours-item p { color: var(--text-light); font-size: 0.85rem; }

/* === CHAPITRES === */
.chapitres-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.chapitre-card {
    background: var(--white);
    padding: 1.5rem;
    border: 1px solid var(--border);
    text-align: center;
    transition: transform var(--transition);
}

.chapitre-card:hover { transform: translateY(-2px); }

.chapitre-num {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    color: var(--accent-dark);
    display: block;
    margin-bottom: 0.5rem;
}

.chapitre-card h4 {
    font-size: 0.85rem;
    font-weight: 300;
    letter-spacing: 0.05em;
}

/* === ACCES / INSCRIPTION === */
.acces-card {
    max-width: 420px;
    margin: 0 auto;
    background: var(--white);
    padding: 3rem;
    border: 1px solid var(--border);
    text-align: center;
}

.acces-card h2 {
    font-size: 1.4rem;
    margin-bottom: 0.8rem;
}

.acces-sub {
    color: var(--text-light);
    font-size: 0.85rem;
    margin-bottom: 2rem;
}

.acces-form { text-align: left; }

.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-light);
    letter-spacing: 0.08em;
    margin-bottom: 0.4rem;
}

.form-group input {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1px solid var(--border);
    border-radius: 2px;
    font-family: var(--font-kr);
    font-size: 0.9rem;
    background: var(--bg);
    transition: border-color var(--transition);
    outline: none;
}

.form-group input:focus { border-color: var(--accent-dark); }

.form-group input::placeholder { color: #ccc; }

.acces-footer {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.8rem;
    color: var(--text-light);
}

.acces-footer a {
    color: var(--text);
    text-decoration: underline;
}

/* === FOOTER === */
.footer {
    border-top: 1px solid var(--border);
    padding: 3rem 2rem;
    text-align: center;
}

.footer-inner {
    max-width: 1000px;
    margin: 0 auto;
}

.footer-brand {
    font-family: var(--font-serif);
    font-size: 0.9rem;
    letter-spacing: 0.2em;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.footer-links {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin-bottom: 1rem;
}

.footer-links a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.8rem;
}

.footer-copy {
    color: var(--text-light);
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

/* === FADE-IN === */
.fade-in {
    animation: fadeIn 1.2s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}


/* === DISCLAIMER COACHING === */
.disclaimer {
    background: #f8f7f4;
    border-top: 1px solid var(--border);
    padding: 1rem 2rem;
    text-align: center;
    font-size: 0.7rem;
    color: var(--text-light);
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
}
.disclaimer strong {
    font-weight: 500;
}

/* === RESPONSIVE — MOBILE FIRST === */

/* Hamburger menu (hidden by default) */
.hamburger { display: none; cursor: pointer; background: none; border: none; padding: 0.5rem; }

@media (max-width: 1024px) {
    .nav-inner { padding: 1rem 1.5rem; }
    .nav-links { gap: 1rem; }
    .nav-links a { font-size: 0.75rem; }
    .hero-title { font-size: 2.8rem; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .hamburger { display: block; }
    .nav-inner .btn-nav { display: none; }
    
    .hero-title { font-size: 2rem; }
    .hero-subtitle { font-size: 1rem; }
    .hero { padding: 6rem 1.5rem 3rem; min-height: auto; }
    .hero-actions { flex-direction: column; align-items: center; gap: 0.8rem; }
    
    .section { padding: 3rem 1.5rem; }
    .section-title { font-size: 1.3rem; }
    .section-subtitle { font-size: 0.85rem; }
    
    .approche-grid { grid-template-columns: 1fr; gap: 1rem; }
    .temoignages-grid { grid-template-columns: 1fr; }
    .chapitres-grid { grid-template-columns: repeat(2, 1fr); gap: 0.8rem; }
    
    .footer-inner { flex-direction: column; text-align: center; gap: 1rem; }
    .footer-links { flex-wrap: wrap; justify-content: center; }
    
    .card { padding: 1.5rem; }
    .acces-card { padding: 1.5rem; }
    
    .checkout-card { padding: 1.5rem; }
    .checkout-steps { gap: 1rem; flex-wrap: wrap; }
    
    .legal-page { padding: 6rem 1.5rem 3rem; }
    .legal-page h1 { font-size: 1.3rem; }
    
    .pricing-grid { grid-template-columns: 1fr; }
    [style*="grid-template-columns"] { grid-template-columns: 1fr !important; }
}

@media (max-width: 480px) {
    .chapitres-grid { grid-template-columns: 1fr; }
    .hero-title { font-size: 1.6rem; }
    .section { padding: 2.5rem 1rem; }
    .nav-inner { padding: 0.8rem 1rem; }
    .logo { font-size: 0.8rem; }
    
    .step .num { width: 22px; height: 22px; font-size: 0.65rem; }
    .step { font-size: 0.7rem; }
    
    .btn-primary { padding: 0.7rem 1.5rem; font-size: 0.8rem; }
    input, .form-group input { font-size: 16px !important; } /* Prevent iOS zoom */
}

/* === MICRO-INTERACTIONS & ANIMATIONS DOUCES === */

/* Page fade-in */
.page-fade {
    animation: pageFadeIn 0.8s ease-out;
}
@keyframes pageFadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Skeleton loader (sobre, palette existante) */
.skeleton {
    background: linear-gradient(90deg, var(--border) 25%, #f0efe9 50%, var(--border) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
    border-radius: 2px;
    height: 1rem;
    margin-bottom: 0.6rem;
}
@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}
.skeleton-card {
    height: 120px;
    border: 1px solid var(--border);
    border-radius: 2px;
    padding: 1.5rem;
}

/* Breathing circle (accueil/dashboard) */
.breathing-circle {
    width: 60px;
    height: 60px;
    border: 1px solid var(--accent);
    border-radius: 50%;
    animation: breathe 6s ease-in-out infinite;
    opacity: 0.5;
    margin: 0 auto 0.5rem;
}
@keyframes breathe {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.15); opacity: 0.8; }
}

/* Progression markers */
.progress-marker {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border: 1px solid var(--border);
    border-radius: 50%;
    font-size: 0.65rem;
    color: var(--text-light);
    transition: all 0.6s ease;
    flex-shrink: 0;
}
.progress-marker.completed {
    background: #a0d2b6;
    border-color: #a0d2b6;
    color: white;
}
.progress-marker.current {
    border-color: var(--accent-dark);
    color: var(--text);
    font-weight: 500;
}

/* Accordion doux */
.accordion-trigger {
    cursor: pointer;
    user-select: none;
}
.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease, opacity 0.4s ease;
    opacity: 0;
}
.accordion-content.open {
    max-height: 500px;
    opacity: 1;
}

/* Validation feedback */
.field-valid { border-color: #a0d2b6 !important; }
.field-error { border-color: #d4a0a0 !important; }
.field-feedback { font-size: 0.7rem; margin-top: 0.2rem; height: 0; overflow: visible; }
.field-feedback.valid { color: #7ba58a; }
.field-feedback.error { color: #c48e8e; }

/* Notification discrète */
.notif-dot {
    display: inline-block;
    width: 6px;
    height: 6px;
    background: #a0d2b6;
    border-radius: 50%;
    vertical-align: super;
    animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* Chapter card interactive */
.chapter-interactive {
    cursor: pointer;
    transition: border-color 0.4s ease, background 0.4s ease;
}
.chapter-interactive:hover {
    border-color: var(--accent-dark);
    background: #faf9f5;
}

/* Progression bar animated */
.progress-bar-fill {
    transition: width 1s ease;
    background: #a0d2b6;
    height: 3px;
    border-radius: 2px;
    }

    /* Chapter lock & buy button */
.chapter-card.locked { opacity: 0.75; position: relative; }
.chapter-lock { position: absolute; top: 1rem; right: 1rem; font-size: 1.2rem; opacity: 0.4; }
.chapter-buy-btn {
    display: inline-block; margin-top: 0.8rem; padding: 0.5rem 1rem;
    background: var(--text); color: var(--bg);
    font-size: 0.7rem; letter-spacing: 0.05em; text-decoration: none;
    border: none; cursor: pointer; transition: opacity 0.3s;
}
.chapter-buy-btn:hover { opacity: 0.8; }

/* Dashboard resume */
.dash-resume { font-size: 0.8rem; color: var(--accent-dark); margin-bottom: 1rem; letter-spacing: 0.05em; }