/* ----------------------------------------------------
   Institut 80 - Design System
   High Energy, Human-Centered & Clean Tech Portal
   ---------------------------------------------------- */

:root {
    /* Brand Colors : repris du logo Institut 80 (vert « 8 » + bleu « 0 ») */
    --institut80-blue: #1e86ce;
    --institut80-blue-dark: #1668a8;
    --institut80-blue-light: #e8f3fb;
    --institut80-blue-bright: #3aa0e0;   /* bleu clair pour texte sur fond marine */

    --institut80-green: #5fb825;
    --institut80-green-dark: #3b8420;
    --institut80-green-light: #edf6e6;

    /* Dégradé signature vert -> bleu (comme le logo) */
    --brand-gradient: linear-gradient(120deg, #5fb825 0%, #1e86ce 100%);

    --tech-navy: #0f172a;
    --tech-slate: #1e293b;
    --bg-main: #ffffff;
    --bg-surface: #f8fafc;
    --bg-card: #ffffff;

    --accent-blue: #2563eb;
    --accent-purple: #7c3aed;
    --accent-green: #4fa828;
    --accent-orange: #f97316;
    
    --border-color: #e2e8f0;
    --border-dark: #cbd5e1;
    
    --text-main: #0f172a;
    --text-muted: #475569;
    --text-light: #64748b;

    --font-heading: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    
    --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.06);
    --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.1);

    /* Aliases de compatibilité (ancien thème -> palette Institut80 actuelle) */
    --primary: var(--institut80-blue);
    --primary-light: var(--institut80-blue-light);
    --secondary: var(--institut80-green);
    --bg-secondary: var(--bg-surface);
    --bg-card-hover: #f1f5f9;
    --border-hover: var(--border-dark);
    --text-dim: var(--text-light);
}

/* Reset & Global */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 96px;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

.text-center {
    text-align: center;
}

.hidden {
    display: none !important;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

/* Typography Helpers */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    letter-spacing: -0.02em;
    color: var(--text-main);
}

.highlight-red, .text-highlight-red {
    color: var(--institut80-blue);
}

.section-badge,
.section-badge-red {
    display: inline-block;
    padding: 6px 16px;
    background: var(--institut80-blue-light);
    border-radius: 100px;
    color: var(--institut80-blue);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 12px;
}

.section-badge {
    background: var(--bg-surface);
    color: var(--tech-navy);
    border: 1px solid var(--border-color);
}

.section-title {
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 14px;
    color: var(--tech-navy);
}

.section-description {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 680px;
    margin: 0 auto 48px auto;
}

/* Navbar */
.navbar {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 14px 0;
    background: var(--tech-navy);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.2);
}

.navbar.scrolled {
    padding: 8px 0;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(8px);
}

.nav-container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-img {
    height: 52px;
    width: auto;
    object-fit: contain;
    display: block;
    margin: -4px 0;
    background: transparent;
    transition: transform 0.25s ease;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 22px;
}

.nav-links a {
    color: #f1f5f9;
    font-size: 0.95rem;
    font-weight: 600;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--institut80-blue);
}

.btn-institut80-accent {
    background: var(--institut80-blue);
    color: #ffffff !important;
    padding: 10px 22px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.9rem;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(30, 134, 206, 0.3);
}

.btn-institut80-accent:hover {
    background: var(--institut80-blue-dark);
    box-shadow: 0 6px 16px rgba(30, 134, 206, 0.45);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: #ffffff;
    font-size: 1.6rem;
    cursor: pointer;
    padding: 4px 8px;
    line-height: 1;
}

/* Hero Section */
.hero {
    padding: 70px 0 80px 0;
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    border-bottom: 1px solid var(--border-color);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
    align-items: center;
}

.hero-tag-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #ffffff;
    border: 1px solid var(--border-color);
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--institut80-blue);
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}

.hero-title-main {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.18;
    color: var(--tech-navy);
    margin-bottom: 20px;
    letter-spacing: -0.03em;
}

.hero-desc-main {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 32px;
    line-height: 1.6;
}

.hero-cta-row {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
}

.btn-institut80-primary {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--institut80-blue);
    color: #ffffff;
    padding: 16px 32px;
    border-radius: 10px;
    font-weight: 800;
    font-size: 1.05rem;
    transition: var(--transition);
    box-shadow: 0 4px 14px rgba(30, 134, 206, 0.25);
}

.btn-institut80-primary:hover {
    background: var(--institut80-blue-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(30, 134, 206, 0.35);
}

.btn-institut80-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #ffffff;
    border: 1.5px solid var(--border-dark);
    color: var(--tech-navy);
    padding: 16px 28px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 1rem;
    transition: var(--transition);
}

.btn-institut80-secondary:hover {
    border-color: var(--institut80-blue);
    color: var(--institut80-blue);
    background: var(--institut80-blue-light);
}

.hero-bullets {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
}

.bullet-item {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-main);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.bullet-item i {
    color: var(--institut80-green);
}

/* Feature Box Right Column */
.institut80-feature-box {
    background: #ffffff;
    border: 2px solid var(--tech-navy);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-lg);
}

.box-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.box-badge-live {
    background: #dcfce7;
    color: var(--accent-green);
    font-weight: 800;
    font-size: 0.8rem;
    padding: 4px 12px;
    border-radius: 100px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.box-badge-live i {
    font-size: 0.6rem;
}

.box-year {
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--text-light);
}

.institut80-feature-box h3 {
    font-size: 1.5rem;
    color: var(--tech-navy);
    margin-bottom: 20px;
}

.curriculum-preview-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 28px;
}

.curriculum-step-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    background: var(--bg-surface);
    padding: 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.curriculum-step-item.highlight-step {
    border-color: var(--institut80-blue);
    background: var(--institut80-blue-light);
}

.step-num {
    background: var(--tech-navy);
    color: #ffffff;
    font-weight: 800;
    font-size: 0.85rem;
    padding: 4px 10px;
    border-radius: 6px;
    font-family: var(--font-heading);
}

.curriculum-step-item.highlight-step .step-num {
    background: var(--institut80-blue);
}

.curriculum-step-item strong {
    display: block;
    font-size: 0.95rem;
    color: var(--tech-navy);
}

.curriculum-step-item p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.btn-box-outline {
    display: block;
    text-align: center;
    background: #ffffff;
    border: 1px solid var(--tech-navy);
    color: var(--tech-navy);
    padding: 12px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.95rem;
    transition: var(--transition);
}

.btn-box-outline:hover {
    background: var(--tech-navy);
    color: #ffffff;
}

/* Grid 4 Pillars */
.grid-4-pillars {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
    max-width: 780px;
    margin: 0 auto;
}

.pillar-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 28px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.pillar-card:hover {
    border-color: var(--institut80-blue);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.pillar-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 18px;
}

.pillar-icon.red {
    background: var(--institut80-blue-light);
    color: var(--institut80-blue);
}

.pillar-icon.dark {
    background: var(--institut80-green-light);
    color: var(--institut80-green-dark);
}

.pillar-card h3 {
    font-size: 1.15rem;
    color: var(--tech-navy);
    margin-bottom: 10px;
}

/* Méthode pédagogique : TD & TP */
.section-method {
    background: #ffffff;
}

.method-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.method-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 28px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.method-card:hover {
    border-color: var(--institut80-blue);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.method-tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 58px;
    height: 40px;
    padding: 0 16px;
    border-radius: 10px;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.05rem;
    letter-spacing: 0.02em;
    color: #ffffff;
    background: var(--institut80-blue);
    margin-bottom: 16px;
}

.method-tag.green {
    background: var(--institut80-green);
}

.method-tag.gradient {
    background: var(--brand-gradient);
}

.method-card h3 {
    font-size: 1.2rem;
    color: var(--tech-navy);
    margin-bottom: 10px;
}

.method-def {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 16px;
}

.method-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.method-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.method-list li i {
    color: var(--institut80-green);
    margin-top: 4px;
}

.method-outcome {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    background: var(--tech-navy);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
}

.mo-item {
    text-align: center;
    padding: 0 8px;
}

.mo-num {
    display: block;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--institut80-blue-bright);
    line-height: 1;
    margin-bottom: 6px;
}

.mo-lbl {
    font-size: 0.85rem;
    color: #cbd5e1;
}

/* Certification & Reconnaissance Officielle */
.section-accreditation {
    background: var(--institut80-blue-light);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 60px 0;
}

.accreditation-box {
    background: #ffffff;
    border: 2px solid var(--institut80-blue);
    border-radius: var(--radius-lg);
    padding: 40px;
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 32px;
    box-shadow: var(--shadow-md);
    text-align: left;
}

.accreditation-badge-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--institut80-blue);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    flex-shrink: 0;
}

.accreditation-tag {
    display: inline-block;
    background: var(--tech-navy);
    color: #ffffff;
    font-size: 0.8rem;
    font-weight: 800;
    padding: 4px 12px;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.accreditation-details h2 {
    font-size: 1.8rem;
    color: var(--tech-navy);
    margin-bottom: 8px;
}

.accreditation-sub {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.5;
}

.accreditation-features {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.accreditation-features span {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--tech-navy);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.accreditation-features i {
    color: var(--accent-green);
}

.hero-bg-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(#cbd5e1 1px, transparent 1px);
    background-size: 32px 32px;
    opacity: 0.4;
    pointer-events: none;
}

.hero-glow {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, rgba(30, 134, 206, 0.05) 40%, transparent 70%);
    filter: blur(80px);
    pointer-events: none;
}

.badge-hero {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 18px;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 100px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: var(--accent-green);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-green);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    color: var(--text-main);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 750px;
    margin: 0 auto 40px auto;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 60px;
}

.btn-glow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--brand-gradient);
    color: #fff;
    padding: 16px 32px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 1.05rem;
    box-shadow: 0 4px 20px rgba(30, 134, 206, 0.25);
    transition: var(--transition);
}

.btn-glow:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(30, 134, 206, 0.35);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #ffffff;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 16px 32px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 1.05rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px 40px;
    max-width: 750px;
    margin: 0 auto;
    box-shadow: var(--shadow-md);
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary);
}

.stat-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-color);
}

/* Card Feature & Grid Sections */
.section {
    padding: 80px 0;
}

.section-about {
    background: #ffffff;
}

.card-feature {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 36px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.card-feature:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.card-icon {
    width: 52px;
    height: 52px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    margin-bottom: 20px;
}

.card-icon.blue { background: var(--primary-light); color: var(--primary); }
.card-icon.purple { background: #f3e8ff; color: var(--accent-purple); }
.card-icon.cyan { background: #e0f2fe; color: #0284c7; }
.card-icon.green { background: #dcfce7; color: var(--accent-green); }
.card-icon.orange { background: #ffedd5; color: var(--accent-orange); }

.card-feature h3 {
    font-size: 1.3rem;
    color: var(--text-main);
    margin-bottom: 12px;
}

.card-feature p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Timeline Année 1 Socle Commun */
.section-tc {
    background: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.timeline {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 36px;
}

.timeline-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--primary);
    border-radius: var(--radius-md);
    padding: 28px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.timeline-card.highlight {
    border-left-color: var(--accent-orange);
    background: #fff;
}

.timeline-badge {
    display: inline-block;
    padding: 4px 12px;
    background: var(--primary-light);
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
}

.timeline-badge.special {
    color: var(--accent-orange);
    background: #ffedd5;
}

.timeline-title {
    font-size: 1.35rem;
    color: var(--text-main);
    margin-bottom: 14px;
}

.timeline-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: var(--text-muted);
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.timeline-list li i {
    color: var(--accent-green);
    margin-top: 4px;
}

/* Filières (Année 2 Grid) */
.specs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.spec-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.spec-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.spec-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.spec-tag {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-dim);
    background: var(--bg-secondary);
    padding: 4px 10px;
    border-radius: 100px;
}

.spec-card h3 {
    font-size: 1.2rem;
    color: var(--text-main);
    margin-bottom: 12px;
    line-height: 1.35;
}

.spec-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.spec-footer {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: var(--text-dim);
}

.btn-text {
    background: none;
    border: none;
    color: var(--primary);
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.btn-text:hover {
    color: var(--accent-purple);
    gap: 10px;
}

/* Quiz Box & Step Wizard */
.section-orientation {
    background-color: var(--bg-secondary);
}

.quiz-box {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 48px;
    max-width: 850px;
    margin: 0 auto;
    box-shadow: var(--shadow-md);
}

.quiz-progress-container {
    width: 100%;
    height: 6px;
    background: var(--bg-secondary);
    border-radius: 100px;
    margin: 20px 0 30px 0;
    overflow: hidden;
}

.quiz-progress-bar {
    height: 100%;
    width: 0%;
    background: var(--brand-gradient);
    border-radius: 100px;
    transition: width 0.4s ease;
}

.quiz-step {
    display: none;
}

.quiz-step.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.step-counter {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.quiz-question {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text-main);
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.quiz-option-btn {
    background: #ffffff;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    text-align: left;
    font-size: 0.98rem;
    font-family: inherit;
    cursor: pointer;
    display: flex;
    align-items: flex-start;
    gap: 14px;
    font-weight: 500;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.quiz-option-btn:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    transform: translateX(4px);
}

.opt-letter {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--primary);
    flex-shrink: 0;
}

.quiz-option-btn:hover .opt-letter {
    background: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
}

/* Quiz Result Card */
.result-card {
    padding: 20px 0;
}

.result-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: #dcfce7;
    border-radius: 100px;
    color: var(--accent-green);
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.result-card h3 {
    font-size: 2rem;
    margin-bottom: 8px;
}

.match-score {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 16px;
}

.result-desc {
    color: var(--text-muted);
    font-size: 1.05rem;
    max-width: 650px;
    margin: 0 auto 24px auto;
    line-height: 1.6;
}

.secondary-match {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 12px 20px;
    display: inline-block;
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 32px;
}

.result-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.btn-secondary-sm {
    background: #ffffff;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 12px 24px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.btn-secondary-sm:hover {
    background: var(--bg-card-hover);
}

.btn-glow-sm {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--brand-gradient);
    color: #ffffff;
    padding: 12px 24px;
    border-radius: 100px;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 14px rgba(30, 134, 206, 0.25);
}

.btn-glow-sm:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(30, 134, 206, 0.35);
}

.gradient-text {
    color: var(--institut80-blue);
}

/* Formulaire Candidature */
.cand-info h2 {
    font-size: 2.2rem;
    margin-bottom: 16px;
}

.cand-info p {
    color: var(--text-muted);
    margin-bottom: 32px;
}

.cand-perks {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.perk-item {
    display: flex;
    gap: 16px;
}

.perk-item i {
    font-size: 1.5rem;
    color: var(--secondary);
    margin-top: 4px;
}

.perk-item h4 {
    font-size: 1.1rem;
}

.perk-item p {
    font-size: 0.9rem;
    margin: 0;
}

.cand-form-box {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-main);
}

.required {
    color: var(--accent-orange);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    color: var(--text-main);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    background: #ffffff;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(30, 134, 206, 0.15);
}

.btn-glow-full {
    width: 100%;
    background: var(--brand-gradient);
    color: #fff;
    border: none;
    padding: 16px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-glow-full:hover {
    box-shadow: 0 6px 20px rgba(30, 134, 206, 0.35);
    transform: translateY(-2px);
}

.form-success {
    text-align: center;
    padding: 30px 0;
}

.form-success i {
    font-size: 3.5rem;
    color: var(--accent-green);
    margin-bottom: 16px;
}

/* Modales Fiches Filières */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.modal.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--shadow-lg);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.8rem;
    cursor: pointer;
}

.modal-close:hover {
    color: var(--text-main);
}

.modal-body {
    margin-top: 20px;
}

.modal-body h4 {
    margin-bottom: 12px;
    color: var(--tech-navy);
}

.modal-body ul {
    list-style: disc;
    padding-left: 20px;
    color: var(--text-muted);
}

.modal-body li {
    margin-bottom: 12px;
}

.modal-lead {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 24px;
}

.trimester-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.trimester-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 0;
    color: var(--text-muted);
    font-size: 0.92rem;
    line-height: 1.55;
}

.tri-badge {
    flex-shrink: 0;
    background: var(--institut80-blue-light);
    color: var(--institut80-blue-dark);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.8rem;
    padding: 3px 9px;
    border-radius: 6px;
    margin-top: 1px;
}

.why-box {
    background: var(--institut80-green-light);
    border: 1px solid #d5ebc5;
    border-radius: var(--radius-md);
    padding: 18px 20px;
    margin-bottom: 24px;
}

.why-box h4 {
    margin-bottom: 8px;
    color: var(--institut80-green-dark);
    display: flex;
    align-items: center;
    gap: 8px;
}

.why-box p {
    color: var(--text-muted);
    font-size: 0.92rem;
    line-height: 1.6;
    margin: 0;
}

.job-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.job-tag {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    padding: 5px 12px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-main);
}

/* Footer */
.footer {
    background: var(--tech-navy);
    color: #ffffff;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 80px 0 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 60px;
}

.footer-brand .logo-img {
    height: 64px;
    margin: -6px 0;
}

.footer-brand p {
    color: #94a3b8;
    margin-top: 16px;
    max-width: 350px;
    font-size: 0.95rem;
    line-height: 1.6;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: #ffffff;
    font-family: var(--font-heading);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: #cbd5e1;
    font-size: 0.95rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--institut80-blue);
}

.footer-contact p {
    color: #cbd5e1;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
}

.footer-contact i {
    color: var(--institut80-blue);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 24px 0;
    text-align: center;
    font-size: 0.88rem;
    color: #64748b;
}

/* ---------------------------------------------------
   Ajouts : preuve, rareté, garantie, "pour toi si", WhatsApp
   --------------------------------------------------- */

.todo-hint {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: #b45309;
    background: #fef3c7;
    border-radius: 4px;
    padding: 1px 6px;
    margin-left: 4px;
}

/* Photo de la section "7 ans d'expérience" : affichée à sa taille réelle,
   non étirée, pour ne pas faire ressortir sa faible définition. */
.proof-photo {
    position: relative;
    margin: 0 auto 26px;
    width: 100%;
    max-width: 480px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    background: var(--tech-navy);
    line-height: 0;
}

.proof-photo img {
    display: block;
    width: 100%;
    height: auto;
}

/* léger dégradé bas uniquement, pour garder la légende lisible */
.proof-photo::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 45%;
    background: linear-gradient(180deg, transparent, rgba(15, 23, 42, 0.6));
}

.proof-photo figcaption {
    position: absolute;
    left: 16px;
    bottom: 12px;
    z-index: 1;
    line-height: 1.3;
    font-size: 0.78rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.92);
    letter-spacing: 0.02em;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.45);
}

.proof-photo--empty {
    aspect-ratio: 16 / 9;
}

.proof-photo--empty::after {
    height: 100%;
    background: linear-gradient(135deg, rgba(30, 134, 206, 0.55), rgba(95, 184, 37, 0.4));
}

/* Barre de rareté */
.scarcity-bar {
    background: var(--tech-navy);
    color: #f1f5f9;
    border-top: 3px solid var(--institut80-green);
    padding: 22px 0;
    font-size: 1.05rem;
}

.scarcity-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px 34px;
}

.sc-item {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.sc-item i {
    color: var(--institut80-green);
    font-size: 1.1rem;
}

.sc-item strong {
    color: var(--institut80-blue-bright);
    font-weight: 700;
    font-size: 1.15rem;
}

/* séparateur discret entre les deux infos */
.sc-item:first-child::after {
    content: "";
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: currentColor;
    opacity: 0.35;
    margin-left: 20px;
}

.sc-countdown:empty {
    display: none;
}

.sc-countdown {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--institut80-green);
    color: #06240f;
    font-weight: 800;
    font-size: 0.92rem;
    letter-spacing: 0.01em;
    padding: 6px 16px;
    border-radius: 100px;
    white-space: nowrap;
}

/* Section preuve */
.section-proof {
    padding: 52px 0;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
}

.section-proof .section-description {
    margin-bottom: 26px;
}

.heritage-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    max-width: 900px;
    margin: 0 auto;
}

.hstat-accent {
    border-color: var(--institut80-blue);
    background: var(--institut80-blue-light);
}

.hstat-accent .hstat-num {
    color: var(--institut80-blue-dark);
}

.hstat {
    text-align: center;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px 12px;
    box-shadow: var(--shadow-sm);
}

.hstat-num {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.9rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 6px;
    color: var(--institut80-blue);
}

.hstat-lbl {
    font-size: 0.88rem;
    color: var(--text-muted);
    font-weight: 600;
}

/* Bloc fondateur (section dédiée, avant la garantie) */
.section-founder {
    padding: 56px 0;
    background: #ffffff;
}

.founder-block {
    display: flex;
    align-items: center;
    gap: 28px;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px 32px;
    max-width: 900px;
    margin: 0 auto;
    box-shadow: var(--shadow-sm);
}

.founder-photo {
    position: relative;
    width: 116px;
    height: 116px;
    flex-shrink: 0;
    border-radius: 50%;
    overflow: hidden;
    background: var(--brand-gradient);
}

.founder-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 20%;
    display: block;
}

.founder-initials {
    position: absolute;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.6rem;
}

.founder-photo--empty .founder-initials {
    display: flex;
}

.founder-text h3 {
    font-size: 1.15rem;
    color: var(--tech-navy);
    margin-bottom: 8px;
}

.founder-text p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 8px;
}

.founder-credit {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--institut80-blue-dark);
}

/* Section "Est-ce fait pour toi ?" */
.section-fit {
    background: #ffffff;
}

.fit-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    max-width: 960px;
    margin: 0 auto;
}

.fit-col {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 28px;
    box-shadow: var(--shadow-sm);
}

.fit-col h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.15rem;
    margin-bottom: 16px;
    color: var(--tech-navy);
}

.fit-col ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.fit-col li {
    position: relative;
    padding-left: 22px;
    color: var(--text-muted);
    font-size: 0.92rem;
    line-height: 1.5;
}

.fit-col li::before {
    position: absolute;
    left: 0;
    top: 1px;
    font-weight: 700;
}

.fit-yes {
    border-color: #cde8bf;
    background: var(--institut80-green-light);
}

.fit-yes h3 i {
    color: var(--institut80-green-dark);
}

.fit-yes li::before {
    content: "\2713";
    color: var(--institut80-green-dark);
}

.fit-no {
    background: var(--bg-surface);
}

.fit-no h3 i {
    color: var(--text-light);
}

.fit-no li::before {
    content: "\2715";
    color: var(--text-light);
}

/* Section garantie / engagement */
.section-guarantee {
    background: var(--institut80-blue-light);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.guarantee-box {
    display: flex;
    align-items: flex-start;
    gap: 28px;
    background: #ffffff;
    border: 2px solid var(--institut80-blue);
    border-radius: var(--radius-lg);
    padding: 36px 40px;
    max-width: 900px;
    margin: 0 auto;
    box-shadow: var(--shadow-md);
}

.guarantee-icon {
    width: 64px;
    height: 64px;
    flex-shrink: 0;
    border-radius: 50%;
    background: var(--brand-gradient);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
}

.guarantee-text h2 {
    font-size: 1.6rem;
    color: var(--tech-navy);
    margin: 6px 0 12px;
}

.guarantee-text p {
    color: var(--text-muted);
    font-size: 0.98rem;
    line-height: 1.6;
    margin-bottom: 10px;
}

.guarantee-note {
    font-size: 0.9rem;
}

/* Grille tarifaire */
.fee-card {
    margin-top: 24px;
    padding: 22px 24px;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

/* dans la modale : pas de carte imbriquée */
.modal-body .fee-card {
    margin-top: 8px;
    padding: 0;
    border: none;
    box-shadow: none;
    background: transparent;
}

.fee-card h4 {
    font-size: 0.95rem;
    color: var(--tech-navy);
    margin-bottom: 14px;
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.fee-card h4 span {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--institut80-blue);
    background: var(--institut80-blue-light);
    padding: 2px 8px;
    border-radius: 100px;
}

.fee-year {
    margin-bottom: 18px;
}

.fee-year-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-light);
    margin-bottom: 10px;
}

.fee-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.fee-list li {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 16px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.fee-list li span:last-child {
    font-weight: 700;
    color: var(--tech-navy);
    white-space: nowrap;
}

.fee-list li em {
    font-style: normal;
    font-size: 0.8rem;
    color: var(--text-light);
}

.fee-total {
    margin-top: 4px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
    font-weight: 700;
}

.fee-total span:first-child {
    color: var(--tech-navy) !important;
}

.fee-total span:last-child {
    color: var(--institut80-blue-dark) !important;
    font-size: 1rem;
}

.fee-grandtotal {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 16px;
    margin-top: 6px;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    background: var(--institut80-blue);
    color: #ffffff;
    font-family: var(--font-heading);
    font-weight: 700;
}

.fee-grandtotal span:last-child {
    font-size: 1.1rem;
    white-space: nowrap;
}

.fee-note {
    margin-top: 14px;
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.55;
}

.fee-note strong {
    color: var(--institut80-green-dark);
}

/* Étapes d'admission */
.admission-steps {
    margin-top: 24px;
    padding: 20px 22px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.admission-steps h4 {
    font-size: 0.95rem;
    color: var(--tech-navy);
    margin-bottom: 12px;
}

.admission-steps ol {
    list-style: none;
    counter-reset: adm;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.admission-steps li {
    counter-increment: adm;
    position: relative;
    padding-left: 34px;
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.admission-steps li::before {
    content: counter(adm);
    position: absolute;
    left: 0;
    top: 0;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--institut80-blue);
    color: #ffffff;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.78rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Bouton WhatsApp */
.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 24px;
    background: #25d366;
    color: #063d1e;
    font-weight: 700;
    font-size: 0.95rem;
    padding: 12px 20px;
    border-radius: 100px;
    transition: var(--transition);
}

.btn-whatsapp:hover {
    background: #1ebe5b;
    transform: translateY(-2px);
}

/* Formulaire allégé */
.optional {
    color: var(--text-light);
    font-weight: 500;
    font-size: 0.85rem;
}

.form-reassure {
    margin-top: 12px;
    font-size: 0.82rem;
    color: var(--text-light);
    text-align: center;
}

.form-reassure i {
    margin-right: 6px;
}

.form-error {
    margin-top: 16px;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #b91c1c;
    font-size: 0.9rem;
}

.form-error i {
    margin-right: 8px;
}

/* Quiz : capture email */
.quiz-capture {
    animation: fadeIn 0.4s ease;
}

.quiz-lead-form {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    max-width: 520px;
    margin: 20px auto 12px;
}

.quiz-lead-form input {
    flex: 1 1 180px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    font-family: inherit;
    font-size: 0.95rem;
}

.quiz-lead-form input:focus {
    outline: none;
    background: #ffffff;
    border-color: var(--institut80-blue);
    box-shadow: 0 0 0 3px rgba(30, 134, 206, 0.15);
}

.quiz-lead-form .btn-glow-sm {
    flex: 1 1 100%;
    justify-content: center;
    border: none;
}

.quiz-skip {
    display: block;
    margin: 0 auto;
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 0.85rem;
    text-decoration: underline;
    cursor: pointer;
}

/* Note marché dans les modales */
.market-note {
    margin-top: 18px;
    padding-top: 14px;
    border-top: 1px dashed var(--border-color);
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.55;
}

.market-note i {
    color: var(--institut80-green-dark);
    margin-right: 6px;
}

/* Responsive Design */
@media (max-width: 992px) {
    .specs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .grid-2 {
        grid-template-columns: 1fr;
    }
    .hero-title {
        font-size: 2.8rem;
    }
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .hero-title-main {
        font-size: 2.5rem;
    }
    .grid-4-pillars {
        grid-template-columns: repeat(2, 1fr);
    }
    .method-grid {
        grid-template-columns: 1fr;
    }
    .method-outcome {
        grid-template-columns: repeat(2, 1fr);
        gap: 28px 16px;
    }
    .accreditation-box {
        flex-direction: column;
        text-align: center;
        padding: 32px 24px;
    }
    .accreditation-features {
        justify-content: center;
    }
    .heritage-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .hstat-num {
        font-size: 1.8rem;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    .scarcity-inner {
        flex-direction: column;
        gap: 7px;
    }
    .sc-item:first-child::after {
        display: none;
    }
    .section {
        padding: 56px 0;
    }
    .section-title {
        font-size: 1.9rem;
    }
    .hero {
        padding: 48px 0 56px;
    }
    .hero-title-main {
        font-size: 2.1rem;
    }
    .hero-cta-row {
        flex-direction: column;
        align-items: stretch;
    }
    .hero-cta-row a {
        justify-content: center;
    }
    .specs-grid,
    .grid-4-pillars {
        grid-template-columns: 1fr;
    }
    .heritage-stats {
        grid-template-columns: 1fr;
        max-width: 340px;
    }
    .fit-grid {
        grid-template-columns: 1fr;
    }
    .founder-block {
        flex-direction: column;
        text-align: center;
        padding: 24px 20px;
    }
    .guarantee-box {
        flex-direction: column;
        padding: 28px 22px;
    }
    .quiz-box {
        padding: 28px 20px;
    }
    .cand-form-box {
        padding: 28px 20px;
    }
    .modal-content {
        padding: 32px 24px;
    }
    .result-actions {
        flex-direction: column;
    }
    .nav-links {
        position: fixed;
        top: 92px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        align-items: stretch;
        padding: 24px 30px 30px;
        gap: 18px;
        border-bottom: 1px solid var(--border-color);
        transform: translateY(-150%);
        transition: var(--transition);
        box-shadow: var(--shadow-md);
    }
    .nav-links.active {
        transform: translateY(0);
    }
    .nav-links a {
        color: var(--tech-navy);
    }
    .nav-links a:hover {
        color: var(--institut80-blue);
    }
    .btn-institut80-accent {
        text-align: center;
    }
    .specs-grid {
        grid-template-columns: 1fr;
    }
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    .stat-divider {
        width: 100%;
        height: 1px;
    }
    .footer-content {
        grid-template-columns: 1fr;
    }
}