/* ============================================
   Code en ligne - Header & Navigation
   ============================================ */

.crt-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--crt-header-height);
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(226,232,240,0.6);
    z-index: var(--crt-z-header);
    transition: var(--crt-transition);
}

.crt-header.scrolled {
    background: rgba(255,255,255,0.95);
    box-shadow: var(--crt-shadow-sm);
}

.crt-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--crt-header-height);
    gap: var(--crt-space-8);
}

/* Logo */
.crt-logo {
    display: flex;
    align-items: center;
    gap: var(--crt-space-3);
    text-decoration: none;
    flex-shrink: 0;
}

.crt-logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--crt-transition);
}

.crt-logo:hover .crt-logo-icon {
    transform: scale(1.05);
}

.crt-logo-text {
    font-size: var(--crt-text-xl);
    font-weight: 800;
    color: var(--crt-gray-900);
    letter-spacing: -0.03em;
}

.crt-logo-pro,
.crt-logo-accent {
    background: var(--crt-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Nav Links */
.crt-nav-links {
    display: flex;
    align-items: center;
    gap: var(--crt-space-1);
}

.crt-nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: var(--crt-space-2) var(--crt-space-4);
    font-size: var(--crt-text-sm);
    font-weight: 500;
    color: var(--crt-gray-600);
    border-radius: var(--crt-radius-md);
    transition: var(--crt-transition);
    text-decoration: none;
    position: relative;
    white-space: nowrap;
}

.crt-nav-link:hover {
    color: var(--crt-primary);
    background: var(--crt-primary-50);
}

.crt-nav-link.active {
    color: var(--crt-primary);
    font-weight: 600;
}

/* Nav Actions */
.crt-nav-actions {
    display: flex;
    align-items: center;
    gap: var(--crt-space-3);
    flex-shrink: 0;
}

/* User Menu */
.crt-user-menu {
    position: relative;
}

.crt-user-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--crt-radius-full);
    background: var(--crt-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: none;
    position: relative;
    transition: var(--crt-transition);
}

.crt-user-avatar:hover {
    transform: scale(1.05);
    box-shadow: var(--crt-shadow-glow);
}

.crt-avatar-letter {
    color: white;
    font-weight: 700;
    font-size: var(--crt-text-sm);
}

.crt-premium-badge {
    position: absolute;
    bottom: -2px;
    right: -2px;
    width: 18px;
    height: 18px;
    background: var(--crt-warning);
    border-radius: var(--crt-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid white;
    color: white;
}

/* Dropdown */
.crt-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 260px;
    background: var(--crt-white);
    border-radius: var(--crt-radius-xl);
    box-shadow: var(--crt-shadow-lg);
    border: 1px solid var(--crt-gray-200);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px) scale(0.98);
    transition: var(--crt-transition);
    z-index: var(--crt-z-dropdown);
    overflow: hidden;
}

.crt-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.crt-dropdown-header {
    padding: var(--crt-space-4) var(--crt-space-5);
    border-bottom: 1px solid var(--crt-gray-100);
}

.crt-dropdown-name {
    display: block;
    font-weight: 600;
    color: var(--crt-gray-900);
    font-size: var(--crt-text-sm);
}

.crt-dropdown-email {
    display: block;
    font-size: var(--crt-text-xs);
    color: var(--crt-gray-500);
    margin-top: 2px;
}

.crt-dropdown-header .crt-badge {
    margin-top: var(--crt-space-2);
}

.crt-dropdown-divider {
    height: 1px;
    background: var(--crt-gray-100);
}

.crt-dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--crt-space-3);
    padding: var(--crt-space-3) var(--crt-space-5);
    font-size: var(--crt-text-sm);
    color: var(--crt-gray-700);
    transition: var(--crt-transition);
    text-decoration: none;
}

.crt-dropdown-item:hover {
    background: var(--crt-gray-50);
    color: var(--crt-primary);
}

.crt-dropdown-premium {
    color: var(--crt-warning);
}

.crt-dropdown-premium:hover {
    background: var(--crt-warning-light);
    color: var(--crt-warning);
}

.crt-dropdown-logout {
    color: var(--crt-error);
}

.crt-dropdown-logout:hover {
    background: var(--crt-error-light);
    color: var(--crt-error);
}

/* Mobile Toggle */
.crt-mobile-toggle {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    border: none;
    background: none;
    color: var(--crt-gray-700);
    cursor: pointer;
    border-radius: var(--crt-radius-md);
    transition: var(--crt-transition);
}

.crt-mobile-toggle:hover {
    background: var(--crt-gray-100);
}

/* Mobile Menu */
.crt-mobile-menu {
    display: none;
    position: fixed;
    top: var(--crt-header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--crt-white);
    z-index: calc(var(--crt-z-header) - 1);
    overflow-y: auto;
    transform: translateY(-100%);
    transition: var(--crt-transition-slow);
}

.crt-mobile-menu.active {
    transform: translateY(0);
}

.crt-mobile-menu-inner {
    padding: var(--crt-space-6);
    display: flex;
    flex-direction: column;
    gap: var(--crt-space-2);
}

.crt-mobile-link {
    display: block;
    padding: var(--crt-space-4) var(--crt-space-4);
    font-size: var(--crt-text-lg);
    font-weight: 500;
    color: var(--crt-gray-700);
    border-radius: var(--crt-radius-lg);
    transition: var(--crt-transition);
    text-decoration: none;
}

.crt-mobile-link:hover {
    background: var(--crt-primary-50);
    color: var(--crt-primary);
}

.crt-mobile-divider {
    height: 1px;
    background: var(--crt-gray-200);
    margin: var(--crt-space-4) 0;
}

/* Premium CTA button in header */
.crt-btn-premium-cta {
    background: linear-gradient(135deg, #f59e0b, #f97316);
    color: white !important;
    border: none;
    font-weight: 600;
    font-size: var(--crt-text-xs);
    padding: 6px 14px;
    border-radius: var(--crt-radius-full);
    display: flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    transition: var(--crt-transition);
    box-shadow: 0 2px 8px rgba(245,158,11,0.3);
}

.crt-btn-premium-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(245,158,11,0.4);
}

/* Mobile link with icon */
.crt-mobile-link {
    display: flex;
    align-items: center;
    gap: var(--crt-space-3);
}

.crt-mobile-premium {
    color: var(--crt-warning);
    font-weight: 600;
}

.crt-mobile-premium:hover {
    background: var(--crt-warning-light);
    color: var(--crt-warning);
}

/* ======== 2026 PUBLIC REFACTOR ======== */
.crt-header {
    background: rgba(247, 250, 255, 0.76);
    border-bottom: 1px solid rgba(148, 163, 184, 0.18);
}

.crt-header.scrolled {
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
}

.crt-nav {
    gap: var(--crt-space-6);
}

.crt-nav-links {
    padding: 0.35rem;
    background: rgba(255, 255, 255, 0.62);
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 999px;
    box-shadow: 0 16px 32px rgba(15, 23, 42, 0.06);
}

.crt-nav-link {
    padding: 0.75rem 1rem;
    font-weight: 700;
    color: var(--crt-gray-700);
}

.crt-nav-link:hover {
    color: var(--crt-gray-900);
    background: rgba(255, 255, 255, 0.88);
}

.crt-header-cta {
    box-shadow: 0 14px 30px rgba(37, 99, 235, 0.22);
}

.crt-page-title,
.crt-hero-title,
.crt-section-title,
.crt-cta-banner h2,
.crt-feature-row h3,
.crt-program-card h3,
.crt-preview-panel h2,
.crt-command-top h2,
.crp-start-title,
.crp-results-title {
    font-family: var(--crt-font-display);
    letter-spacing: -0.04em;
}

.crt-hero-home::before {
    background:
        radial-gradient(circle at 18% 18%, rgba(249, 115, 22, 0.18) 0%, transparent 35%),
        radial-gradient(circle at 82% 22%, rgba(37, 99, 235, 0.22) 0%, transparent 34%),
        radial-gradient(circle at 50% 80%, rgba(255, 255, 255, 0.08) 0%, transparent 38%);
}

.crt-command-center {
    position: relative;
    width: 100%;
    max-width: 520px;
    padding: 1.75rem;
    border-radius: 28px;
    background: linear-gradient(180deg, rgba(8, 15, 30, 0.88) 0%, rgba(17, 37, 70, 0.82) 100%);
    border: 1px solid rgba(255, 255, 255, 0.14);
    box-shadow: 0 30px 80px rgba(3, 7, 18, 0.45);
    color: white;
}

.crt-command-top {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.crt-command-top h2 {
    margin: 0.35rem 0 0;
    font-size: clamp(1.8rem, 3vw, 2.5rem);
}

.crt-command-kicker,
.crt-command-pill {
    display: inline-flex;
    align-items: center;
    padding: 0.4rem 0.75rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.crt-command-kicker {
    background: rgba(255, 255, 255, 0.09);
    color: #dbeafe;
}

.crt-command-pill {
    background: rgba(249, 115, 22, 0.18);
    color: #fed7aa;
    white-space: nowrap;
}

.crt-command-steps {
    display: grid;
    gap: 0.9rem;
}

.crt-command-step {
    display: grid;
    grid-template-columns: 48px 1fr;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
}

.crt-command-step > span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 16px;
    background: linear-gradient(135deg, #2563eb 0%, #f97316 100%);
    color: white;
    font-weight: 800;
    font-size: 1.1rem;
}

.crt-command-step strong,
.crt-command-score strong,
.crt-preview-panel h2,
.crt-preview-card h3,
.crt-process-card h3 {
    display: block;
    color: white;
}

.crt-command-step p,
.crt-command-score span {
    margin: 0.35rem 0 0;
    color: rgba(255, 255, 255, 0.72);
    line-height: 1.6;
}

.crt-command-footer {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 1.4rem;
}

.crt-command-score {
    padding: 1rem;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.crt-command-score strong {
    font-size: 1.6rem;
}

.crt-proof-band-light {
    background: linear-gradient(180deg, #f7fbff 0%, #ffffff 100%);
}

.crt-process-grid-rich {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.crt-process-card {
    background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
    border: 1px solid rgba(148, 163, 184, 0.18);
    border-radius: 24px;
    padding: 1.75rem;
    box-shadow: 0 22px 45px rgba(15, 23, 42, 0.06);
}

.crt-process-card strong {
    display: inline-flex;
    margin-bottom: 1rem;
    color: var(--crt-primary);
    font-size: 0.9rem;
    font-weight: 800;
    letter-spacing: 0.12em;
}

.crt-process-card h3 {
    margin: 0 0 0.75rem;
    color: var(--crt-gray-900);
}

.crt-process-card p {
    margin: 0;
    color: var(--crt-gray-600);
    line-height: 1.7;
}

.crt-page-hero-rich,
.crt-page-hero-practice,
.crt-page-hero-exam {
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, #f7fbff 0%, #ffffff 100%);
}

.crt-page-hero-practice::before,
.crt-page-hero-exam::before,
.crt-page-hero-rich::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 15%, rgba(37, 99, 235, 0.12) 0%, transparent 28%),
        radial-gradient(circle at 80% 18%, rgba(249, 115, 22, 0.14) 0%, transparent 26%);
    pointer-events: none;
}

.crt-practice-hero-grid,
.crt-preview-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
    gap: 1.5rem;
    align-items: stretch;
}

.crt-page-hero-content-left {
    text-align: left;
}

.crt-page-hero-content-left .crt-page-subtitle {
    margin-left: 0;
}

.crt-preview-card,
.crt-preview-panel {
    background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
    border: 1px solid rgba(148, 163, 184, 0.18);
    border-radius: 28px;
    padding: 1.75rem;
    box-shadow: 0 24px 50px rgba(15, 23, 42, 0.08);
}

.crt-preview-card-danger {
    background: linear-gradient(180deg, #fff7ed 0%, #ffffff 100%);
    border-color: rgba(249, 115, 22, 0.24);
}

.crt-preview-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.crt-preview-panel h2 {
    margin: 0 0 0.85rem;
    color: var(--crt-gray-900);
    font-size: clamp(1.7rem, 2.5vw, 2.3rem);
}

.crt-preview-panel p,
.crt-preview-card p {
    margin: 0;
    color: var(--crt-gray-600);
    line-height: 1.75;
}

.crt-section-badge-danger {
    background: rgba(249, 115, 22, 0.12);
    color: #c2410c;
    border: 1px solid rgba(249, 115, 22, 0.18);
}

.crp-public-gate {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
    gap: 1.25rem;
    align-items: stretch;
}

.crp-public-gate-copy,
.crp-public-gate-card {
    background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
    border: 1px solid rgba(148, 163, 184, 0.18);
    border-radius: 28px;
    padding: 1.75rem;
    box-shadow: 0 24px 50px rgba(15, 23, 42, 0.08);
}

.crp-public-gate-kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.75rem;
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.08);
    color: var(--crt-primary);
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.crp-public-gate-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.85rem;
    background: linear-gradient(180deg, #07111f 0%, #10213c 100%);
    color: white;
}

.crp-public-gate-card-title {
    margin: 0;
    font-family: var(--crt-font-display);
    font-size: 1.6rem;
    letter-spacing: -0.03em;
}

.crp-public-gate-card-text {
    margin: 0;
    color: rgba(255, 255, 255, 0.72);
    line-height: 1.7;
}