/* 
 * AuditExcellence - Style principal
 * Palette de couleurs:
 * - Fond principal: #121E26 (bleu foncé)
 * - Fond secondaire: #1B2B34
 * - Accent: #FF6464 (corail vif)
 * - Texte principal: #F2F2F2
 * - Boutons/icônes: #4FD1C5 (turquoise-menthe)
 * - Effets de survol: gradient de #FF6464 à #FFAF87
 */

/* Reset et fondamentaux */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-bg-primary: #121E26;
    --color-bg-secondary: #1B2B34;
    --color-accent: #FF6464;
    --color-text: #F2F2F2;
    --color-button: #4FD1C5;
    --gradient-hover: linear-gradient(90deg, #FF6464 0%, #FFAF87 100%);
    --font-main: 'Montserrat', sans-serif;
    --font-heading: 'Playfair Display', serif;
    --transition: all 0.3s ease;
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    --border-radius: 4px;
    --color-error: #FF6464;
}

html {
    font-size: 62.5%; /* 10px = 1rem */
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    font-size: 1.6rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg-primary);
    overflow-x: hidden;
}

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

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

a:hover {
    color: var(--color-accent);
}

/* Utilitaires */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 0;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 3.6rem;
    font-weight: 700;
    margin-bottom: 4rem;
    text-align: center;
    position: relative;
}

.accent-dot {
    color: var(--color-accent);
    font-size: 4rem;
}

.btn {
    display: inline-block;
    padding: 1.2rem 2.4rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    font-size: 1.4rem;
}

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

.btn-primary:hover {
    background-image: var(--gradient-hover);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-cookie {
    background-color: var(--color-button);
    color: var(--color-bg-primary);
    padding: 0.8rem 1.6rem;
}

.btn-cookie:hover {
    background-image: var(--gradient-hover);
    color: white;
}

/* Header et navigation */
.header {
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 100;
    background-color: rgba(18, 30, 38, 0.95);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.header__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 0;
}

.logo {
    font-family: var(--font-heading);
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--color-text);
    display: flex;
    align-items: center;
}

.logo__accent {
    color: var(--color-button);
}

.nav__list {
    display: flex;
    list-style: none;
}

.nav__link {
    margin-left: 3rem;
    color: var(--color-text);
    font-weight: 500;
    position: relative;
}

.nav__link:hover {
    color: var(--color-accent);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: var(--transition);
}

.nav__link:hover::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: var(--color-text);
    border-radius: 3px;
    transition: var(--transition);
}

/* Hero section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 8rem;
    background-color: var(--color-bg-primary);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero__content {
    animation: fadeInUp 1s ease-out;
}

.hero__title {
    font-family: var(--font-heading);
    font-size: 4.8rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 2rem;
}

.hero__subtitle {
    font-size: 2rem;
    margin-bottom: 3rem;
    color: #ccc;
}

.hero__image {
    position: relative;
    animation: fadeIn 1.5s ease-out;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.hero__image::before {
    content: '';
    position: absolute;
    top: -2%;
    left: -2%;
    width: 104%;
    height: 104%;
    background-image: var(--gradient-hover);
    opacity: 0.3;
    z-index: -1;
    border-radius: 10px;
    animation: pulse 3s infinite alternate;
}

/* About section */
.about {
    background-color: var(--color-bg-secondary);
    padding: 8rem 0;
}

.about__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about__text {
    font-size: 1.8rem;
}

.about__text p {
    margin-bottom: 2rem;
}

.about__text p:last-child {
    margin-bottom: 0;
}

.about__image {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transform: perspective(1000px) rotateY(-5deg);
    transition: var(--transition);
}

.about__image:hover {
    transform: perspective(1000px) rotateY(0);
}

/* Methodology section */
.methodology {
    padding: 8rem 0;
    background-color: var(--color-bg-primary);
}

.methodology__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.methodology__card {
    background-color: var(--color-bg-secondary);
    padding: 3rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.methodology__card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow);
}

.card__icon {
    margin-bottom: 2rem;
}

.methodology__card h3 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--color-button);
}

/* Services section */
.services {
    background-color: var(--color-bg-secondary);
    padding: 8rem 0;
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 4rem;
}

.service__card {
    background-color: var(--color-bg-primary);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.service__card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow);
}

.service__image {
    height: 200px;
    width: 100%;
    object-fit: cover;
}

.service__content {
    padding: 2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.service__content h3 {
    font-family: var(--font-heading);
    font-size: 2.4rem;
    margin-bottom: 1.5rem;
    color: var(--color-button);
}

.service__features {
    list-style-type: none;
    margin-top: 1.5rem;
}

.service__features li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 1rem;
}

.service__features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

/* Testimonials section */
.testimonials {
    padding: 8rem 0;
    background-color: var(--color-bg-primary);
}

.testimonial__slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.testimonial__card {
    background-color: var(--color-bg-secondary);
    padding: 3rem;
    border-radius: var(--border-radius);
    position: relative;
    transition: var(--transition);
}

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

.testimonial__quote {
    font-style: italic;
    margin-bottom: 2rem;
    position: relative;
}

.testimonial__quote::before {
    content: '"';
    font-size: 6rem;
    font-family: Georgia, serif;
    color: var(--color-accent);
    opacity: 0.3;
    position: absolute;
    top: -3rem;
    left: -1rem;
}

.testimonial__author {
    display: flex;
    align-items: center;
}

.author__info h4 {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.author__info p {
    font-size: 1.4rem;
    color: #ccc;
}

/* Contact section */
.contact {
    padding: 8rem 0;
    background-color: var(--color-bg-secondary);
}

.contact__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact__info h3 {
    font-family: var(--font-heading);
    font-size: 2.4rem;
    margin-bottom: 2rem;
}

.contact__info address {
    font-style: normal;
    margin-bottom: 3rem;
}

.contact__info address p {
    margin-bottom: 1rem;
}

.contact__map {
    margin-top: 3rem;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.contact__form {
    background-color: var(--color-bg-primary);
    padding: 3rem;
    border-radius: var(--border-radius);
}

.form__group {
    margin-bottom: 2rem;
}

.form__group label {
    display: block;
    margin-bottom: 0.8rem;
    font-weight: 500;
}

.form__group input,
.form__group select,
.form__group textarea {
    width: 100%;
    padding: 1.2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    background-color: rgb(27 43 52);
    color: var(--color-text);
    font-family: var(--font-main);
    transition: var(--transition);
}

.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus {
    outline: none;
    border-color: var(--color-button);
    box-shadow: 0 0 0 2px rgba(79, 209, 197, 0.3);
}

.checkbox {
    display: flex;
    align-items: flex-start;
}

.checkbox input {
    width: auto;
    margin-right: 1rem;
    margin-top: 0.4rem;
}

.checkbox label {
    margin-bottom: 0;
}

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

/* Styles pour les messages d'erreur du formulaire */
.form__errors {
    background-color: rgba(255, 100, 100, 0.1);
    border-left: 4px solid var(--color-error);
    padding: 1.5rem;
    margin-bottom: 2rem;
    border-radius: var(--border-radius);
}

.form__errors p {
    margin-bottom: 1rem;
    color: var(--color-error);
    font-weight: 500;
}

.form__errors ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
}

.form__errors li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
    color: var(--color-error);
}

.form__errors li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--color-error);
}

.error-message {
    color: var(--color-error);
    font-weight: 500;
    margin-bottom: 1rem;
}

input:invalid, select:invalid, textarea:invalid {
    border-color: var(--color-error);
}

/* Footer */
.footer {
    background-color: var(--color-bg-primary);
    padding: 4rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer__container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 4rem;
}

.footer__column h3 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: var(--color-button);
}

.footer__links {
    list-style: none;
}

.footer__links li {
    margin-bottom: 1rem;
}

.footer__links a {
    color: #ccc;
    transition: var(--transition);
}

.footer__links a:hover {
    color: var(--color-accent);
    padding-left: 5px;
}

.footer__bottom {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    color: #999;
    font-size: 1.4rem;
}

/* Cookie Consent Popup */
.cookie-consent {
    position: fixed;
    bottom: -100%;
    left: 0;
    width: 100%;
    background-color: rgba(27, 43, 52, 0.95);
    backdrop-filter: blur(10px);
    padding: 2rem;
    box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    transition: bottom 0.5s ease;
}

.cookie-consent.active {
    bottom: 0;
}

.cookie-consent__content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
}

.cookie-consent__content p {
    margin-right: 2rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    100% {
        transform: scale(1.05);
    }
}

/* Media queries pour l'adaptabilité */
@media screen and (max-width: 992px) {
    html {
        font-size: 58%;
    }
    
    .hero .container,
    .about__content,
    .contact__content {
        grid-template-columns: 1fr;
    }
    
    .hero__image {
        order: -1;
    }
}

@media screen and (max-width: 768px) {
    .header__container {
        flex-direction: column;
        padding: 1.5rem 0;
    }
    
    .logo {
        margin-bottom: 1.5rem;
    }
    
    .nav__list {
        justify-content: center;
    }
    
    .nav__link {
        margin: 0 1.5rem;
    }
    
    .service__card {
        flex-direction: column;
    }
}

@media screen and (max-width: 576px) {
    .section-title {
        font-size: 3rem;
    }
    
    .hero__title {
        font-size: 3.6rem;
    }
    
    .methodology__grid {
        grid-template-columns: 1fr;
    }
    
    .nav__list {
        flex-wrap: wrap;
    }
    
    .nav__item {
        margin: 0.5rem;
    }
    
    .cookie-consent__content {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-consent__content p {
        margin-right: 0;
        margin-bottom: 1rem;
    }
    
    .contact__form {
        padding: 2rem;
    }
}

/* CSS pour menu hamburger sur mobile avec CSS uniquement */
@media screen and (max-width: 768px) {
    .menu-toggle {
        display: flex;
        z-index: 200;
    }
    
    .nav__list {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: var(--color-bg-primary);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transform: translateX(-100%);
        transition: transform 0.5s ease;
        z-index: 100;
    }
    
    .nav__item {
        margin: 1rem 0;
    }
    
    .nav__link {
        font-size: 2.4rem;
    }
    
    .header__nav:has(input[type="checkbox"]:checked) .nav__list {
        transform: translateX(0);
    }
    
    .header__nav:has(input[type="checkbox"]:checked) .menu-toggle span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }
    
    .header__nav:has(input[type="checkbox"]:checked) .menu-toggle span:nth-child(2) {
        opacity: 0;
    }
    
    .header__nav:has(input[type="checkbox"]:checked) .menu-toggle span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
}