/* ========================================
   ASTRALOOK - STYLES CSS
   Charte graphique : Bleu Marine + Or
   Typographie : Montserrat
   Approche : Mobile-First
======================================== */

/* ========== VARIABLES CSS ========== */
:root {
    /* Couleurs Primaires */
    --color-navy: #0F2443;
    --color-gold: #C29317;
    
    /* Couleurs Secondaires (Éléments) */
    --color-fire: #C84426;
    --color-earth: #64B962;
    --color-air: #67C6EA;
    --color-water: #5FC5A7;
    
    /* Couleurs Neutres */
    --color-white: #FFFFFF;
    --color-gray-light: #F4F6F8;
    --color-gray-dark: #4A4A4A;
    
    /* Typographie */
    --font-main: 'Montserrat', sans-serif;
    
    /* Espacements */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 40px;
    --spacing-xl: 60px;
    --spacing-xxl: 80px;
    
    /* Tailles de conteneur */
    --container-max-width: 1200px;
    --header-height: 80px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    font-size: 16px;
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-gray-dark);
    background-color: var(--color-white);
}

/* ========== TYPOGRAPHIE ========== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-navy);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: 2.5rem; /* 40px */
    font-weight: 700;
}

h2 {
    font-size: 2rem; /* 32px */
    font-weight: 600;
}

h3 {
    font-size: 1.5rem; /* 24px */
    font-weight: 500;
}

h4 {
    font-size: 1.25rem; /* 20px */
    font-weight: 500;
}

p {
    margin-bottom: var(--spacing-sm);
}

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

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

strong {
    font-weight: 600;
}

ul {
    list-style: none;
}

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

/* ========== BOUTONS ========== */
.btn-primary,
.btn-cta {
    display: inline-block;
    padding: 14px 32px;
    font-family: var(--font-main);
    font-size: 16px;
    font-weight: 700;
    text-align: center;
    color: var(--color-white);
    background-color: var(--color-gold);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition-normal);
}

.btn-primary:hover,
.btn-cta:hover {
    background-color: var(--color-navy);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(194, 147, 23, 0.3);
}

/* ========== CONTENEURS ========== */
.header-container,
.hero-container,
.concept-container,
.processus-container,
.piliers-container,
.pour-qui-container,
.qui-suis-je-container,
.prestation-container,
.footer-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}
/* ========== HEADER FIXE ========== */
.header-fixed {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 10px 0;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
}

.header-logo img {
    height: 56px;
    width: auto;
}

.header-nav ul {
    display: flex;
    gap: var(--spacing-md);
}

.header-nav a {
    font-size: 16px;
    font-weight: 500;
    color: var(--color-navy);
    transition: var(--transition-fast);
}

.header-nav a:hover {
    color: var(--color-gold);
}

.header-cta .btn-cta {
    padding: 10px 24px;
    font-size: 14px;
}

/* Header responsive : masquer la nav sur mobile */
@media (max-width: 768px) {
    .header-nav {
        display: none;
    }
    
    .header-logo img {
        height: 42px;
    }
}

/* ========== SECTION HERO ========== */
#hero {
    margin-top: var(--header-height); /* Compense le header fixe */
    min-height: calc(100vh - var(--header-height));
    min-height: calc(100svh - var(--header-height));
    padding: var(--spacing-md) 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.78), rgba(255, 255, 255, 0.78)),
        url('../images/hero/hero_astralook.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
}

.hero-container {
    display: flex;
    align-items: center;
    min-height: inherit;
    width: 100%;
    gap: var(--spacing-xl);
}

.hero-content {
    flex: 1;
}

.hero-content h1 {
    font-size: 3rem; /* 48px */
    margin-bottom: var(--spacing-md);
    color: var(--color-navy);
}

.hero-subtitle {
    font-size: 1.125rem; /* 18px */
    color: var(--color-gray-dark);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.hero-image {
    flex: 1;
}

.hero-image img {
    width: 100%;
    height: auto;
}

/* Hero responsive */
@media (max-width: 768px) {
    :root {
        --header-height: 72px;
    }

    .hero-container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 2rem; /* 32px */
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
}

/* ========== SECTION LE CONCEPT ========== */
#concept {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-white);
}

.concept-container h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.concept-content {
    max-width: 800px;
    margin: 0 auto;
}

.concept-content p {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

/* ========== SECTION PROCESSUS (3 ÉTAPES) ========== */
#processus {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-gray-light);
}

.processus-container h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.etape {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    align-items: flex-start;
}

.etape-number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background-color: var(--color-gold);
    color: var(--color-white);
    font-size: 2rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.etape-content {
    flex: 1;
}

.etape-content h3 {
    color: var(--color-navy);
    margin-bottom: var(--spacing-xs);
}

.etape-content h4 {
    color: var(--color-gold);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.etape-content ul {
    list-style: disc;
    margin-left: var(--spacing-md);
}

.etape-content li {
    margin-bottom: var(--spacing-xs);
}

/* Processus responsive */
@media (max-width: 768px) {
    .etape {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .etape-content ul {
        text-align: left;
    }
}
/* ========== SECTION LES 4 PILIERS ========== */
#piliers {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-white);
}

.piliers-container h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.piliers-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.pilier {
    background-color: var(--color-gray-light);
    padding: var(--spacing-lg);
    border-radius: 12px;
    text-align: center;
    transition: var(--transition-normal);
}

.pilier:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px rgba(15, 36, 67, 0.15);
}

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

.pilier-icon img {
    width: 80px;
    height: 80px;
    margin: 0 auto;
}

.pilier h3 {
    font-size: 1.25rem;
    color: var(--color-navy);
    margin-bottom: var(--spacing-sm);
}

.pilier p {
    font-size: 1rem;
    line-height: 1.7;
    text-align: left;
}

/* Piliers responsive */
@media (max-width: 768px) {
    .piliers-grid {
        grid-template-columns: 1fr;
    }
}

/* ========== SECTION POUR QUI ? ========== */
#pour-qui {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-gray-light);
}

.pour-qui-container h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.pour-qui-list {
    max-width: 800px;
    margin: 0 auto;
}

.pour-qui-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
    line-height: 1.7;
}

.checkmark {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    background-color: var(--color-gold);
    color: var(--color-white);
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

/* ========== SECTION QUI SUIS-JE ? ========== */
#qui-suis-je {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-white);
}

/* ========== SECTION PRESTATION ========== */
#prestation {
    position: relative;
    overflow: hidden;
    padding: 96px 0;
    background: linear-gradient(135deg, #0F2443, #0a1a35);
}

#prestation::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(194, 147, 23, 0.1) 1.2px, transparent 1.2px);
    background-size: 22px 22px;
    pointer-events: none;
}

.prestation-container {
    position: relative;
    z-index: 1;
}

.prestation-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.prestation-inclus h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
}

.prestation-list li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    color: var(--color-white);
    font-size: 1.05rem;
    line-height: 1.65;
    margin-bottom: var(--spacing-sm);
}

.prestation-check {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background-color: var(--color-gold);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.95rem;
    margin-top: 2px;
}

.prestation-tarif-card {
    background: rgba(255, 255, 255, 0.08);
    border: 2px solid var(--color-gold);
    border-radius: 1rem;
    padding: 34px 28px;
    backdrop-filter: blur(2px);
    text-align: center;
}

.prestation-label,
.prestation-subtitle {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.78rem;
    margin-bottom: var(--spacing-sm);
}

.prestation-price {
    color: var(--color-gold);
    font-size: 4.5rem;
    line-height: 1;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.prestation-subtitle {
    margin-bottom: var(--spacing-lg);
}

.prestation-cta {
    display: inline-block;
    width: 100%;
    border: none;
    border-radius: 50px;
    background-color: var(--color-gold);
    color: var(--color-white);
    padding: 14px 22px;
    font-family: var(--font-main);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.prestation-cta:hover {
    transform: scale(1.04);
    box-shadow: 0 10px 24px rgba(194, 147, 23, 0.28);
    background-color: #d2a329;
}

@media (max-width: 768px) {
    .prestation-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .prestation-price {
        font-size: 3.35rem;
    }
}

.qui-suis-je-container h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.qui-suis-je-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
}

.qui-suis-je-photo {
    flex-shrink: 0;
}

.qui-suis-je-photo img {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--color-gold);
}

.qui-suis-je-texte {
    flex: 1;
}

.qui-suis-je-texte p {
    font-size: 1.125rem;
    line-height: 1.8;
    font-style: italic;
    color: var(--color-gray-dark);
}

/* Qui suis-je responsive */
@media (max-width: 768px) {
    .qui-suis-je-content {
        flex-direction: column;
        text-align: center;
    }
    
    .qui-suis-je-photo img {
        width: 200px;
        height: 200px;
    }
}

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

.footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    text-align: center;
}

.footer-logo img {
    width: 50px;
    height: 50px;
    margin-bottom: var(--spacing-xs);
}

.footer-copyright {
    font-size: 0.875rem;
    color: var(--color-gray-light);
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--color-white);
    text-decoration: underline;
}

.footer-links a:hover {
    color: var(--color-gold);
}
/* ========== POP-UPS ========== */
.popup {
    display: none; /* Caché par défaut */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 36, 67, 0.8);
    z-index: 2000;
    overflow-y: auto;
    padding: var(--spacing-md);
}

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

.popup-content {
    position: relative;
    background-color: var(--color-gray-light);
    max-width: 760px;
    width: 100%;
    padding: 32px;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.popup-legal {
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
}

.popup-close {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-gray-dark);
    cursor: pointer;
    transition: var(--transition-fast);
}

.popup-close:hover {
    color: var(--color-gold);
}

.popup h2 {
    font-size: 2.5rem;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

.popup-subtitle {
    font-size: 1.05rem;
    color: var(--color-gray-dark);
    margin-bottom: var(--spacing-lg);
    max-width: 660px;
}

/* ========== POP-UP CONTACT (VERSION COMPACTE) ========== */
#popup-contact .popup-content {
    max-width: 680px;
    max-height: 84vh;
    padding: 24px;
    overflow-y: auto;
}

#popup-contact h2 {
    font-size: 2rem;
    margin-bottom: 10px;
}

#popup-contact .popup-subtitle {
    font-size: 0.95rem;
    margin-bottom: 18px;
}

#popup-contact .form-group label {
    font-size: 0.95rem;
    margin-bottom: 6px;
}

#popup-contact .form-group input,
#popup-contact .form-group textarea {
    font-size: 0.95rem;
    padding: 10px 12px;
    border-radius: 12px;
}

#popup-contact .form-group input {
    min-height: 42px;
}

#popup-contact .form-group textarea {
    min-height: 68px;
}

#popup-contact .btn-primary {
    padding: 12px 24px;
}

#popup-contact .contact-alternatif-titre {
    font-size: 1rem;
}

#popup-contact .contact-alternatif-coordonnees span {
    font-size: 1rem;
}

/* ========== FORMULAIRE DE CONTACT ========== */
.form-row {
    display: flex;
    gap: 18px;
    margin-bottom: 14px;
}

.form-col-2 .form-group {
    flex: 1;
}

.form-col-3 .form-group {
    flex: 1;
}

/* Espacement des champs de formulaire | Form Group Spacing */
.form-group {
    margin-bottom: 14px;
}

.form-row .form-group {
    margin-bottom: 0;
}

/* Étiquettes du formulaire | Form Labels */
.form-group label {
    display: block;
    font-weight: 600;
    color: var(--color-navy);
    margin-bottom: 10px;
    font-size: 1.05rem;
}

/* Champs input et textarea | Input and Textarea Fields */
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    font-family: var(--font-main);
    font-size: 1.05rem;
    background-color: var(--color-white);
    border: 1px solid #DCDDE2;
    border-radius: 14px;
    transition: var(--transition-fast);
}

.form-group input {
    min-height: 48px;
}

.form-group textarea {
    min-height: 78px;
    resize: vertical;
}

/* État focus : bordure dorée et ombre subtile | Focus State: Gold border and subtle shadow */
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px rgba(194, 147, 23, 0.1);
}

.form-help {
    margin-top: 0;
    margin-bottom: 12px;
    color: var(--color-gray-dark);
    font-size: 0.95rem;
    line-height: 1.45;
}

.form-separator {
    border-top: 1px solid #DCDDE2;
    margin: 8px 0 14px;
}

#popup-contact .btn-primary {
    width: 100%;
    margin-top: 8px;
    background-color: var(--color-navy);
}

#popup-contact .btn-primary:hover {
    background-color: #163561;
}

.form-reassurance {
    font-size: 0.875rem;
    color: var(--color-gray-dark);
    text-align: center;
    margin-top: var(--spacing-md);
}

.contact-alternatif {
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid #DCDDE2;
    text-align: center;
}

.contact-alternatif-titre {
    font-weight: 600;
    color: var(--color-navy);
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.contact-alternatif-coordonnees {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.contact-alternatif-coordonnees span {
    font-size: 1.1rem;
    color: var(--color-gray-dark);
}

.contact-alternatif-coordonnees a {
    color: var(--color-navy);
    font-weight: 600;
}

/* Responsive : colonnes en pleine largeur sur mobile */
@media (max-width: 767px) {
    .popup {
        padding: 10px;
    }

    .popup-content {
        padding: 22px 16px;
        border-radius: 14px;
    }

    .popup h2 {
        font-size: 2rem;
        padding-right: 26px;
    }

    #popup-contact .popup-content {
        max-width: 100%;
        max-height: 88vh;
        padding: 18px 14px;
    }

    #popup-contact h2 {
        font-size: 1.65rem;
    }

    #popup-contact .popup-subtitle {
        font-size: 0.9rem;
        margin-bottom: 14px;
    }

    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .form-row .form-group {
        margin-bottom: 16px;
    }
}

/* ========== POP-UPS LÉGALES ========== */
.popup-legal h3 {
    font-size: 1.25rem;
    color: var(--color-navy);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.popup-legal p {
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

/* ========== RESPONSIVE DESKTOP (> 1024px) ========== */
@media (min-width: 1024px) {
    h1 {
        font-size: 3rem; /* 48px */
    }
    
    h2 {
        font-size: 2.25rem; /* 36px */
    }
    
    .hero-content h1 {
        font-size: 3.5rem; /* 56px */
    }
}

/* ========== RESPONSIVE TABLETTE (768px - 1024px) ========== */
@media (min-width: 768px) and (max-width: 1024px) {
    .header-nav {
        display: flex;
    }
    
    .header-nav ul {
        gap: var(--spacing-sm);
    }
    
    .header-nav a {
        font-size: 14px;
    }
}

/* ========== ANIMATIONS ========== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content,
.hero-image {
    animation: fadeIn 0.8s ease-out;
}

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

.mt-lg {
    margin-top: var(--spacing-lg);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

/* ========== FIN DU CSS ========== */