/* ===================================
   VARIABLES CSS - Palette de Couleurs
   =================================== */
:root {
    /* Couleurs principales - Inspirant confiance et équilibre */
    --color-primary: #2C5F7C;           /* Bleu profond */
    --color-primary-light: #4A8FB8;     /* Bleu moyen */
    --color-primary-dark: #1E4356;      /* Bleu très foncé */
    
    --color-secondary: #6B8E5A;         /* Vert chaud */
    --color-secondary-light: #8FB87A;   /* Vert clair */
    --color-secondary-dark: #4F6B42;    /* Vert foncé */
    
    --color-accent: #C4A77D;            /* Beige/Or chaud */
    --color-accent-light: #D4B99A;      /* Beige clair */
    
    /* Neutres */
    --color-white: #FFFFFF;
    --color-light: #F8F9FA;
    --color-light-gray: #E8EBED;
    --color-gray: #6C757D;
    --color-dark: #2C3E50;
    --color-dark-gray: #495057;
    
    /* Typographie */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    
    /* Espacements */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-2xl: 6rem;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-dark);
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

/* ===================================
   UTILITAIRES
   =================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-2xl) 0;
}

.section__title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.section__subtitle {
    font-size: clamp(1.1rem, 2vw, 1.25rem);
    color: var(--color-gray);
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    line-height: 1.6;
}

/* ===================================
   HEADER & NAVIGATION
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: var(--transition);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    min-height: 70px;
}

.nav__logo a {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.5px;
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav__link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-dark);
    padding: 0.5rem 1rem;
    border-radius: 5px;
    transition: var(--transition);
}

.nav__link:hover {
    color: var(--color-primary);
    background-color: var(--color-light);
}

.nav__link--cta {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 0.6rem 1.5rem;
    border-radius: 25px;
}

.nav__link--cta:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(44, 95, 124, 0.3);
}

.nav__link.active {
    color: var(--color-primary);
    font-weight: 600;
}

.nav__toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.nav__toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--color-primary);
    border-radius: 3px;
    transition: var(--transition);
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    margin-top: 70px;
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--color-light) 0%, rgba(255, 255, 255, 0.8) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(44, 95, 124, 0.05) 0%, transparent 70%);
    border-radius: 50%;
}

.hero__container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero__title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
}

.hero__title--highlight {
    color: var(--color-primary);
    display: block;
}

.hero__subtitle {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: var(--color-gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.hero__cta {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.hero__image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero__illustration {
    width: 100%;
    max-width: 400px;
    color: var(--color-primary);
    opacity: 0.6;
}

/* ===================================
   BOUTONS
   =================================== */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

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

.btn--primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(44, 95, 124, 0.3);
}

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

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

.btn--full {
    width: 100%;
}

/* ===================================
   SECTION: PROBLÈMES / CHANGEMENTS
   =================================== */
.section--problem {
    background-color: var(--color-white);
}

.grid {
    display: grid;
    gap: var(--spacing-md);
}

.grid--three {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.card {
    background-color: var(--color-light);
    padding: var(--spacing-lg);
    border-radius: 15px;
    transition: var(--transition);
    border: 1px solid var(--color-light-gray);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--color-primary-light);
}

.card__icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.card__icon svg {
    width: 30px;
    height: 30px;
}

.card__title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.card__text {
    color: var(--color-dark-gray);
    line-height: 1.7;
}

/* ===================================
   SECTION: APPROCHE SYSTÉMIQUE
   =================================== */
.section--approach {
    background: linear-gradient(135deg, var(--color-light) 0%, rgba(248, 249, 250, 0.5) 100%);
}

.approach__content {
    max-width: 900px;
    margin: 0 auto;
}

.approach__quote {
    font-size: clamp(1.2rem, 2.5vw, 1.5rem);
    font-style: italic;
    color: var(--color-primary-dark);
    text-align: center;
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    line-height: 1.8;
    border-left: 4px solid var(--color-secondary);
    background-color: var(--color-white);
    border-radius: 10px;
}

.approach__points {
    display: grid;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.approach__point {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.approach__point-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background-color: var(--color-secondary-light);
    color: var(--color-white);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.approach__point-icon svg {
    width: 24px;
    height: 24px;
}

.approach__point h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.approach__point p {
    color: var(--color-dark-gray);
    line-height: 1.7;
}

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

.benefits__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.benefit-card {
    position: relative;
    background: linear-gradient(135deg, var(--color-light) 0%, var(--color-white) 100%);
    padding: var(--spacing-lg);
    border-radius: 15px;
    border: 2px solid var(--color-light-gray);
    transition: var(--transition);
}

.benefit-card:hover {
    border-color: var(--color-secondary);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(107, 142, 90, 0.15);
}

.benefit-card__number {
    position: absolute;
    top: -15px;
    left: var(--spacing-md);
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-secondary-light);
    opacity: 0.3;
    line-height: 1;
}

.benefit-card__title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.benefit-card__text {
    color: var(--color-dark-gray);
    line-height: 1.7;
}

/* ===================================
   SECTION: MÉTHODE
   =================================== */
.section--method {
    background: linear-gradient(135deg, rgba(44, 95, 124, 0.03) 0%, var(--color-light) 100%);
}

.method__intro {
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
    text-align: center;
}

.method__text {
    font-size: 1.1rem;
    color: var(--color-dark-gray);
    line-height: 1.8;
}

.method__formats {
    margin-top: var(--spacing-xl);
}

.method__formats-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.format-card {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    border: 2px solid transparent;
}

.format-card:hover {
    border-color: var(--color-primary-light);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(44, 95, 124, 0.15);
}

.format-card__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
}

.format-card__icon svg {
    width: 40px;
    height: 40px;
}

.format-card__title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.format-card__text {
    color: var(--color-dark-gray);
    line-height: 1.7;
}

/* ===================================
   SECTION: À PROPOS
   =================================== */
.section--about {
    background-color: var(--color-white);
}

.about__content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    grid-template-areas: "image text";
    gap: var(--spacing-xl);
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
}

.about__title-centered {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.about__name {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--color-primary);
    margin: var(--spacing-sm) 0;
}

.about__role {
    font-size: 1.2rem;
    color: var(--color-secondary);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.about__bio {
    color: var(--color-dark-gray);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.about__values {
    margin-top: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.about__value {
    color: var(--color-dark-gray);
    line-height: 1.7;
}

.about__value strong {
    color: var(--color-primary);
    font-weight: 600;
}

.about__image {
    grid-area: image;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 0;
}

.about__text {
    grid-area: text;
}

.about__photo {
    width: 100%;
    max-width: 320px;
    aspect-ratio: 4 / 5;
    border-radius: 24px;
    border: 4px solid var(--color-white);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.18);
    object-fit: cover;
    object-position: center top;
}

/* ===================================
   SECTION: CONTACT
   =================================== */
.section--contact {
    background: linear-gradient(135deg, var(--color-light) 0%, rgba(248, 249, 250, 0.8) 100%);
}

.contact__content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-xl);
    max-width: 1000px;
    margin: 0 auto;
}

.contact__info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact__item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.contact__icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
}

.contact__icon svg {
    width: 24px;
    height: 24px;
}

.contact__item h4 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.contact__item p {
    color: var(--color-dark-gray);
    line-height: 1.7;
}

/* Formulaire */
.contact__form {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.form__group {
    margin-bottom: var(--spacing-md);
}

.form__label {
    display: block;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 0.5rem;
}

.form__input,
.form__textarea {
    width: 100%;
    padding: 0.9rem;
    font-family: var(--font-body);
    font-size: 1rem;
    border: 2px solid var(--color-light-gray);
    border-radius: 8px;
    transition: var(--transition);
    background-color: var(--color-light);
}

.form__input:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background-color: var(--color-white);
}

.form__textarea {
    resize: vertical;
    min-height: 120px;
}

.form__note {
    font-size: 0.9rem;
    color: var(--color-gray);
    margin-top: var(--spacing-sm);
    text-align: center;
}

/* Carte de localisation dans la section Méthode */
.method__map-container {
    margin-top: var(--spacing-xl);
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--color-light-gray);
}

.method__map-title {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.method__map {
    width: 100%;
    height: 450px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border: 2px solid var(--color-light-gray);
}

.method__map-note {
    text-align: center;
    color: var(--color-gray);
    margin-top: var(--spacing-md);
    font-style: italic;
}

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

.footer__content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer__brand h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.footer__brand p {
    opacity: 0.8;
    line-height: 1.7;
}

.footer__links h4,
.footer__legal h4 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
}

.footer__links ul,
.footer__legal ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer__links a,
.footer__legal a {
    opacity: 0.8;
    transition: var(--transition);
}

.footer__links a:hover,
.footer__legal a:hover {
    opacity: 1;
    padding-left: 5px;
}

.footer__bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 968px) {
    .nav__menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--color-white);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: var(--spacing-xl);
        gap: var(--spacing-md);
        transition: var(--transition);
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    }

    .nav__menu.active {
        left: 0;
    }

    .nav__toggle {
        display: flex;
    }

    .nav__toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

    .nav__toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav__toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .hero__container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero__image {
        order: -1;
    }

    .hero__illustration {
        max-width: 300px;
    }

    .about__content {
        grid-template-columns: 1fr;
        grid-template-areas:
            "text"
            "image";
    }

    .contact__content {
        grid-template-columns: 1fr;
    }

    .benefits__grid {
        grid-template-columns: 1fr;
    }

    .grid--three {
        grid-template-columns: 1fr;
    }

    .method__map {
        height: 350px;
    }
}

@media (max-width: 640px) {
    .hero__cta {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .section {
        padding: var(--spacing-lg) 0;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }
}

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

.card,
.benefit-card,
.format-card {
    animation: fadeInUp 0.6s ease-out;
}

/* Scrollbar personnalisée */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-light);
}

::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary-dark);
}