/* ============================================
   BORDEL DE SCIENCES - STYLESHEET
   Style inspiré des fiches "Recette de survie"
   ============================================ */

/* === VARIABLES === */
:root {
    /* Couleurs principales (inspirées des fiches) */
    --color-green: #C8F56E;
    --color-orange: #FFA566;
    --color-pink: #FF6B7A;
    --color-blue: #8AB4F8;
    --color-yellow: #FFD93D;
    --color-purple: #5B5F97;
    
    /* Couleurs neutres */
    --color-dark: #1A1A1A;
    --color-gray: #666666;
    --color-light-gray: #F5F5F5;
    --color-white: #FFFFFF;
    
    /* Typographie */
    --font-main: 'Poppins', sans-serif;
    --font-handwritten: 'Caveat', cursive;
    
    /* Espacements */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Bordures */
    --border-radius: 20px;
    --border-radius-lg: 30px;
    
    /* Ombres */
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.15);
}

/* === RESET & BASE === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--color-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* === CONTAINER === */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* === TYPOGRAPHIE === */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 5vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 4vw, 2rem);
}

.handwritten {
    font-family: var(--font-handwritten);
    font-weight: 700;
    font-size: 1.2em;
}

.large-text {
    font-size: clamp(1.1rem, 2.5vw, 1.3rem);
    font-weight: 600;
}

.highlight {
    background: linear-gradient(120deg, var(--color-yellow) 0%, var(--color-yellow) 100%);
    background-repeat: no-repeat;
    background-size: 100% 40%;
    background-position: 0 85%;
    padding: 0 0.2em;
}

.highlight-orange {
    background: linear-gradient(120deg, var(--color-orange) 0%, var(--color-orange) 100%);
    background-repeat: no-repeat;
    background-size: 100% 40%;
    background-position: 0 85%;
    padding: 0 0.2em;
}

.highlight-green {
    background: linear-gradient(120deg, var(--color-green) 0%, var(--color-green) 100%);
    background-repeat: no-repeat;
    background-size: 100% 40%;
    background-position: 0 85%;
    padding: 0 0.2em;
}

.strikethrough {
    text-decoration: line-through;
    color: var(--color-gray);
}

/* === BOUTONS === */
.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn-primary {
    background: var(--color-orange);
    color: var(--color-white);
}

.btn-primary:hover {
    background: #FF8A47;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: transparent;
    color: var(--color-dark);
    border: 2px solid var(--color-dark);
}

.btn-secondary:hover {
    background: var(--color-dark);
    color: var(--color-white);
}

.btn-large {
    padding: 1.2rem 2.5rem;
    font-size: 1.1rem;
}

/* === NAVIGATION === */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-icon svg {
    width: 40px;
    height: 40px;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: 0.9rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: 1px;
}

.logo-tagline {
    font-size: 0.75rem;
    color: var(--color-gray);
}

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

.nav-links a {
    font-weight: 500;
    transition: color 0.3s;
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--color-dark);
    transition: all 0.3s;
}

/* === HERO SECTION === */
.hero {
    padding: 10rem 0 6rem;
    background: linear-gradient(135deg, #F0F9FF 0%, #E0F2FE 100%);
    position: relative;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.hero-title {
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-style: italic;
    color: var(--color-gray);
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-quick-info {
    max-width: 800px;
    margin: 0 auto 2rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-orange);
    animation: fadeInUp 0.8s ease 0.3s backwards;
}

.quick-info-item {
    padding: 0.5rem 0;
    font-size: 1rem;
    line-height: 1.5;
}

.quick-info-item:not(:last-child) {
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.hero-text {
    max-width: 800px;
    margin: 0 auto 3rem;
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.hero-text p {
    margin-bottom: 1rem;
}

.testimonial-bubble {
    max-width: 700px;
    margin: 3rem auto;
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    animation: fadeInUp 0.8s ease 0.6s backwards;
}

.bubble-green {
    background: var(--color-green);
}

.bubble-pink {
    background: var(--color-pink);
}

.testimonial-quote {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.testimonial-author {
    font-size: 0.95rem;
    color: var(--color-dark);
    opacity: 0.8;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    animation: fadeInUp 0.8s ease 0.8s backwards;
}

/* Éléments décoratifs */
.decorative-dots {
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    opacity: 0.3;
}

.dots-1 {
    background: radial-gradient(circle, var(--color-pink) 2px, transparent 2px);
    background-size: 20px 20px;
    top: 10%;
    left: 5%;
}

.dots-2 {
    background: radial-gradient(circle, var(--color-blue) 2px, transparent 2px);
    background-size: 20px 20px;
    bottom: 10%;
    right: 5%;
}

.floating-icon {
    position: absolute;
    font-size: 3rem;
    font-weight: 700;
    opacity: 0.15;
    animation: float 6s ease-in-out infinite;
}

.icon-pi {
    top: 20%;
    right: 10%;
    color: var(--color-orange);
}

.icon-fx {
    bottom: 20%;
    left: 10%;
    color: var(--color-blue);
    font-family: var(--font-handwritten);
}

/* === SECTIONS GÉNÉRIQUES === */
section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    font-size: 1.1rem;
}

/* === SECTION PARENTS === */
.parents-section {
    background: var(--color-white);
}

.parents-intro {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.pillars {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: var(--spacing-lg);
}

.pillar {
    text-align: center;
    padding: 2rem;
    background: var(--color-light-gray);
    border-radius: var(--border-radius);
}

.pillar-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.pillar h3 {
    margin-bottom: 1rem;
    color: var(--color-purple);
}

.results-box {
    background: linear-gradient(135deg, var(--color-light-gray) 0%, #E8F5E9 100%);
    padding: 2rem;
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
}

.results-box h3 {
    margin-bottom: 1rem;
}

.results-list {
    list-style: none;
}

.results-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.results-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--color-orange);
    font-weight: 700;
}

.parent-quote {
    max-width: 600px;
    margin: 2rem auto;
}

.differentiator {
    text-align: center;
    margin-top: var(--spacing-md);
    padding: 1.5rem;
    background: var(--color-yellow);
    border-radius: var(--border-radius);
}

/* Stats box */
.stats-box {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: var(--spacing-lg) 0;
    padding: 2rem;
    background: linear-gradient(135deg, #E8F5E9 0%, #C8F56E 100%);
    border-radius: var(--border-radius-lg);
    text-align: center;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    color: var(--color-purple);
    margin-bottom: 0.5rem;
    line-height: 1;
}

.stat-label {
    font-size: 0.95rem;
    color: var(--color-dark);
    font-weight: 600;
}

/* === SECTION MÉTHODE === */
.method-section {
    background: linear-gradient(135deg, #FFF8E1 0%, #FFECB3 100%);
}

.recipe-steps {
    display: grid;
    gap: 3rem;
}

.step {
    padding: 2.5rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
}

.step-green {
    background: var(--color-green);
}

.step-orange {
    background: var(--color-orange);
}

.step-blue {
    background: var(--color-blue);
}

.step-pink {
    background: var(--color-pink);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 30px;
    width: 50px;
    height: 50px;
    background: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: var(--shadow-md);
}

.step-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.step h3 {
    margin-bottom: 1rem;
}

.step-duration {
    font-size: 0.85rem;
    font-weight: 500;
    opacity: 0.8;
}

.step-intro {
    font-weight: 600;
    margin-bottom: 1rem;
}

.step ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.step ul li {
    position: relative;
    margin-bottom: 0.5rem;
    padding-left: 1rem;
}

.step ul li::before {
    content: "•";
    position: absolute;
    left: 0;
    font-weight: 700;
}

.step-goal {
    margin-top: 1.5rem;
    font-weight: 600;
}

/* === SECTION TÉMOIGNAGES === */
.testimonials-section {
    background: var(--color-white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: var(--spacing-lg);
}

.testimonial-card {
    background: var(--color-light-gray);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s, box-shadow 0.3s;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    background: var(--color-orange);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.testimonial-card h4 {
    margin-bottom: 0.25rem;
}

.testimonial-meta {
    font-size: 0.85rem;
    color: var(--color-gray);
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.transformation {
    padding-top: 1rem;
    border-top: 2px solid rgba(0, 0, 0, 0.1);
    font-size: 0.9rem;
}

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

.cta-text {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

/* === SECTION À PROPOS === */
.about-section {
    background: linear-gradient(135deg, #E8EAF6 0%, #C5CAE9 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 3rem;
    align-items: start;
}

.about-photo {
    position: sticky;
    top: 100px;
}

.photo-placeholder {
    width: 300px;
    height: 300px;
    background: var(--color-light-gray);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 0.9rem;
    color: var(--color-gray);
    border: 3px dashed rgba(0, 0, 0, 0.1);
}

.about-text {
    font-size: 1.05rem;
}

.about-text .intro-text {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.about-text h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--color-purple);
}

.about-text ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.about-text ul li {
    position: relative;
    margin-bottom: 0.75rem;
    padding-left: 1rem;
}

.about-text ul li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--color-orange);
    font-weight: 700;
}

.why-text {
    margin-top: 2rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--border-radius);
}

.manifesto-quote {
    margin-top: 2rem;
    padding: 2rem;
    background: var(--color-yellow);
    border-radius: var(--border-radius);
    text-align: center;
    font-size: 1.3rem;
    font-weight: 600;
}

/* === SECTION TARIFS === */
.pricing-section {
    background: var(--color-white);
}

.pricing-intro {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: var(--spacing-lg);
}

.pricing-card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: transform 0.3s;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-10px);
}

.pricing-featured {
    border: 3px solid var(--color-orange);
}

.pricing-badge {
    position: absolute;
    top: 20px;
    right: -35px;
    background: var(--color-orange);
    color: var(--color-white);
    padding: 0.5rem 3rem;
    font-weight: 700;
    font-size: 0.85rem;
    transform: rotate(45deg);
    z-index: 10;
}

.pricing-header {
    padding: 2rem;
    text-align: center;
    color: var(--color-white);
}

.header-green {
    background: var(--color-green);
    color: var(--color-dark);
}

.header-orange {
    background: var(--color-orange);
}

.header-blue {
    background: var(--color-blue);
}

.pricing-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.pricing-header h3 {
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.pricing-subtitle {
    font-size: 0.95rem;
    opacity: 0.9;
}

.pricing-body {
    padding: 2rem;
}

.pricing-profile {
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.pricing-body h4 {
    margin: 1.5rem 0 1rem;
    color: var(--color-purple);
}

.pricing-body ul {
    margin: 1rem 0;
}

.pricing-body ul li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.pricing-body ul li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-orange);
    font-weight: 700;
}

.pricing-price {
    margin: 2rem 0;
    text-align: center;
    padding: 1.5rem;
    background: var(--color-light-gray);
    border-radius: var(--border-radius);
}

.price-main {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-purple);
    margin-bottom: 0.5rem;
}

.price-detail {
    font-size: 0.9rem;
    color: var(--color-gray);
}

.pricing-commitment {
    margin: 1.5rem 0;
    text-align: center;
    font-size: 0.9rem;
}

.pricing-card .btn-primary {
    width: 100%;
    margin-top: 1rem;
}

.discovery-offer {
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
    text-align: center;
    padding: 2rem;
    background: var(--color-blue);
    border-radius: var(--border-radius-lg);
}

.discovery-offer h3 {
    margin-bottom: 1rem;
}

.discovery-offer p {
    margin-bottom: 1rem;
}

.tax-info {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    padding: 2rem;
    background: var(--color-light-gray);
    border-radius: var(--border-radius);
}

.tax-info p {
    margin-bottom: 0.5rem;
}

/* === SECTION GRATUIT === */
.freebies-section {
    background: linear-gradient(135deg, #FFF3E0 0%, #FFE0B2 100%);
}

.freebies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.freebie-card {
    padding: 2.5rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.card-green {
    background: var(--color-green);
}

.card-orange {
    background: var(--color-orange);
}

.card-blue {
    background: var(--color-blue);
}

.freebie-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.freebie-card h3 {
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.freebie-card ul {
    text-align: left;
    margin: 1.5rem 0;
}

.freebie-card ul li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.freebie-card ul li::before {
    content: "✓";
    position: absolute;
    left: 0;
    font-weight: 700;
}

.freebie-format {
    font-size: 0.9rem;
    font-style: italic;
    margin: 1.5rem 0;
}

/* === SECTION FAQ === */
.faq-section {
    background: var(--color-white);
}

.faq-grid {
    display: grid;
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    padding: 2rem;
    background: var(--color-light-gray);
    border-radius: var(--border-radius);
    border-left: 5px solid var(--color-orange);
}

.faq-item h3 {
    margin-bottom: 1rem;
    color: var(--color-purple);
}

.faq-item p {
    margin-bottom: 1rem;
}

.faq-item ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.faq-item ul li {
    padding: 0.5rem 0;
    padding-left: 1rem;
    position: relative;
}

.faq-item ul li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--color-orange);
}

/* === SECTION CONTACT === */
.contact-section {
    background: linear-gradient(135deg, #E1F5FE 0%, #B3E5FC 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-form-wrapper {
    background: var(--color-white);
    padding: 2.5rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--color-purple);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 1rem;
    border: 2px solid var(--color-light-gray);
    border-radius: 10px;
    font-family: var(--font-main);
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-orange);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-info h3 {
    color: var(--color-purple);
}

.contact-methods p {
    margin-bottom: 1rem;
}

.contact-methods a {
    color: var(--color-orange);
    font-weight: 600;
}

.contact-methods a:hover {
    text-decoration: underline;
}

.social-links h4 {
    margin-bottom: 1rem;
    color: var(--color-purple);
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icons a {
    width: 50px;
    height: 50px;
    background: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    box-shadow: var(--shadow-sm);
}

.social-icons a:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.social-icons svg {
    width: 24px;
    height: 24px;
}

/* === FOOTER === */
.footer {
    background: var(--color-dark);
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: var(--spacing-md);
}

.footer-logo .logo {
    color: var(--color-white);
}

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

.footer-col h4 {
    margin-bottom: 1rem;
    color: var(--color-orange);
}

.footer-col ul li {
    margin-bottom: 0.5rem;
}

.footer-col a {
    transition: color 0.3s;
}

.footer-col a:hover {
    color: var(--color-orange);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

.footer-legal {
    margin-top: 1rem;
}

.footer-legal a {
    color: var(--color-orange);
}

.footer-legal span {
    margin: 0 0.5rem;
}

/* === ANIMATIONS === */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* === RESPONSIVE === */
@media (max-width: 968px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--color-white);
        flex-direction: column;
        justify-content: flex-start;
        padding: 2rem;
        transition: left 0.3s;
        box-shadow: var(--shadow-lg);
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-photo {
        position: static;
        margin: 0 auto;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .hero {
        padding: 8rem 0 4rem;
    }
    
    .pricing-grid,
    .testimonials-grid,
    .freebies-grid {
        grid-template-columns: 1fr;
    }
}

/* === UTILITAIRES === */
.text-center {
    text-align: center;
}

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }