/*
 * ===============================================
 * IMMO CREATION - STYLES CSS PRINCIPAUX
 * ===============================================
 * Thème: Dynamique pour leaders technologiques espagnols
 * Palette: Slate Blue (#3D5A80), Sky Blue (#98C1D9), Burnt Orange (#EE6C4D)
 * Typographie: Montserrat (titres), Lato (corps)
 * Conception: Diviseurs de section diagonaux, transitions dynamiques
 * Icônes: SVG personnalisées uniquement
 * ===============================================
 */

/* ===============================================
 * VARIABLES CSS & SCHEMES DE COULEURS
 * =============================================== */

:root {
    /*
     * SCHEME DE COULEURS PRINCIPAL - THEME SLATE BLUE & SKY BLUE
     * Inspiré du design technologique espagnol moderne
     */

    /* Couleurs principales - Thème Slate Blue */
    --color-primary: #3D5A80;          /* Slate Blue - Professionnel et confiant */
    --color-primary-dark: #2d4260;     /* Slate Blue assombri */
    --color-primary-light: #5a7aa6;    /* Slate Blue éclairci */

    /* Couleurs secondaires - Sky Blue */
    --color-secondary: #98C1D9;        /* Sky Blue - Frais et moderne */
    --color-secondary-dark: #7aa8c4;   /* Sky Blue assombri */
    --color-secondary-light: #b8d4e6;  /* Sky Blue éclairci */

    /* Couleurs d'accentuation - Burnt Orange */
    --color-accent: #EE6C4D;           /* Burnt Orange - Dynamique et énergique */
    --color-accent-dark: #d45a3e;      /* Burnt Orange assombri */
    --color-accent-light: #f08a6e;     /* Burnt Orange éclairci */

    /* Couleurs neutres */
    --color-white: #ffffff;
    --color-black: #1a1a1a;
    --color-gray-50: #f8f9fa;
    --color-gray-100: #f1f3f4;
    --color-gray-200: #e8eaed;
    --color-gray-300: #dadce0;
    --color-gray-400: #bdc1c6;
    --color-gray-500: #9aa0a6;
    --color-gray-600: #5f6368;
    --color-gray-700: #3c4043;
    --color-gray-800: #202124;
    --color-gray-900: #171717;

    /* Couleurs sémantiques */
    --color-success: #34a853;
    --color-warning: #fbbc04;
    --color-error: #ea4335;
    --color-info: #4285f4;

    /* Couleurs d'arrière-plan */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #f1f3f4;
    --bg-accent: #EE6C4D;
    --bg-dark: #3D5A80;

    /* Couleurs de texte */
    --text-primary: #1a1a1a;
    --text-secondary: #5f6368;
    --text-on-primary: #ffffff;
    --text-on-accent: #ffffff;
    --text-on-dark: #ffffff;
    --text-on-light: #1a1a1a;

    /* Ombres */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Bordures */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    --border-radius-full: 9999px;

    /* Espacement */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Typographie */
    --font-primary: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-secondary: 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;

    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* Mode Sombre */
[data-theme="dark"] {
    --color-primary: #5a7aa6;
    --color-primary-dark: #3D5A80;
    --color-primary-light: #7a9ac6;

    --color-secondary: #7aa8c4;
    --color-secondary-dark: #5a88a4;
    --color-secondary-light: #98c1d9;

    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #3d3d3d;

    --text-primary: #ffffff;
    --text-secondary: #bdc1c6;

    --color-gray-50: #2d2d2d;
    --color-gray-100: #3d3d3d;
    --color-gray-200: #4d4d4d;
    --color-gray-300: #5d5d5d;
    --color-gray-400: #9aa0a6;
    --color-gray-500: #bdc1c6;
    --color-gray-600: #dadce0;
    --color-gray-700: #e8eaed;
    --color-gray-800: #f1f3f4;
    --color-gray-900: #ffffff;
}

/* ===============================================
 * RESET & BASE
 * =============================================== */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-secondary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ===============================================
 * TYPOGRAPHIE
 * =============================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h5 { font-size: clamp(1rem, 1.5vw, 1.25rem); }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

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

a:hover, a:focus {
    color: var(--color-accent);
    text-decoration: underline;
}

/* ===============================================
 * HEADER & NAVIGATION
 * =============================================== */

.header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background-color: var(--color-gray-800);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-md) 0;
    transition: all var(--transition-normal);
}

.header__container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.header__logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.header__logo img {
    height: 60px;
    width: auto;
}

.header__logo--svg {
    width: 200px;
    height: auto;
}

.header__nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav__list {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
    align-items: center;
}

.nav__link {
    color: var(--color-secondary);
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.95rem;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.nav__link:hover, .nav__link:focus {
    color: var(--color-white);
    background-color: var(--color-primary);
    text-decoration: none;
}

.nav__link--active {
    color: var(--color-accent);
    background-color: rgba(238, 108, 77, 0.1);
}

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

.header__contact {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    font-size: 0.85rem;
    color: var(--color-gray-300);
}

.header__contact--phone {
    font-weight: 700;
    color: var(--color-secondary);
}

.header__contact--email {
    color: var(--color-gray-400);
}

.theme-toggle, .lang-toggle {
    background-color: transparent;
    border: 1px solid var(--color-gray-600);
    color: var(--color-gray-300);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover, .lang-toggle:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

/* Menu Mobile */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--color-white);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--spacing-sm);
}

/* ===============================================
 * HERO SECTION
 * =============================================== */

.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero__media {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: blur(3px);
    transform: scale(1.05);
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(61, 90, 128, 0.85) 0%, rgba(152, 193, 217, 0.75) 100%);
}

.hero__content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--color-white);
    max-width: 900px;
    padding: var(--spacing-2xl);
    animation: fadeInUp 1s ease-out;
}

.hero__title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    margin-bottom: var(--spacing-xl);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    letter-spacing: -0.02em;
}

.hero__subtitle {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    margin-bottom: var(--spacing-2xl);
    font-weight: 400;
    opacity: 0.95;
    line-height: 1.8;
}

.hero__cta {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg) var(--spacing-2xl);
    background-color: var(--color-accent);
    color: var(--color-white);
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 1.1rem;
    border-radius: var(--border-radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-lg);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero__cta:hover {
    background-color: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    text-decoration: none;
}

/* ===============================================
 * DIVISEURS DE SECTION DIAGONAUX
 * =============================================== */

.section-divider {
    position: relative;
    padding: var(--spacing-4xl) 0;
}

.section-divider--top {
    clip-path: polygon(0 5%, 100% 0, 100% 100%, 0 100%);
    margin-top: -3%;
}

.section-divider--bottom {
    clip-path: polygon(0 0, 100% 0, 100% 95%, 0 100%);
    margin-bottom: -3%;
}

.section-divider--both {
    clip-path: polygon(0 5%, 100% 0, 100% 95%, 0 100%);
    margin-top: -3%;
    margin-bottom: -3%;
}

/* ===============================================
 * SECTIONS GÉNÉRALES
 * =============================================== */

.section {
    padding: var(--spacing-4xl) 0;
    position: relative;
}

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

.section--secondary {
    background-color: var(--bg-secondary);
}

.section--accent {
    background-color: var(--bg-accent);
    color: var(--color-white);
}

.section--dark {
    background-color: var(--bg-dark);
    color: var(--color-white);
}

.section--with-bg {
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
}

.section--with-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(61, 90, 128, 0.9) 0%, rgba(152, 193, 217, 0.85) 100%);
    filter: blur(3px);
}

.section--with-bg > * {
    position: relative;
    z-index: 2;
}

.section__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section__header {
    text-align: center;
    margin-bottom: var(--spacing-4xl);
}

.section__title {
    position: relative;
    display: inline-block;
    margin-bottom: var(--spacing-lg);
}

.section__title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    border-radius: var(--border-radius-full);
}

.section__subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* ===============================================
 * CARTES & GRILLES
 * =============================================== */

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

.grid--2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid--3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid--4 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.card {
    background-color: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 1px solid var(--color-gray-200);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

.card__image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    margin-bottom: var(--spacing-lg);
}

.card__icon {
    width: 60px;
    height: 60px;
    margin-bottom: var(--spacing-lg);
    fill: var(--color-primary);
}

.card__title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.card__content {
    color: var(--text-secondary);
    line-height: 1.7;
}

.card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-lg);
    color: var(--color-accent);
    font-weight: 600;
    transition: all var(--transition-fast);
}

.card__link:hover {
    color: var(--color-accent-dark);
    gap: var(--spacing-sm);
}

/* ===============================================
 * BOUTONS
 * =============================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--border-radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: 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: var(--shadow-lg);
}

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

.btn--secondary:hover {
    background-color: var(--color-secondary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn--accent:hover {
    background-color: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

.btn--large {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: 1.1rem;
}

/* ===============================================
 * FORMULAIRES
 * =============================================== */

.form {
    max-width: 600px;
    margin: 0 auto;
}

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

.form__label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.form__input, .form__textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--border-radius-md);
    font-family: var(--font-secondary);
    font-size: 1rem;
    transition: all var(--transition-fast);
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

.form__input:focus, .form__textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(61, 90, 128, 0.1);
}

.form__textarea {
    resize: vertical;
    min-height: 150px;
}

.form__submit {
    width: 100%;
}

/* ===============================================
 * FOOTER
 * =============================================== */

.footer {
    background-color: var(--color-gray-800);
    color: var(--color-gray-300);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

.footer__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.footer__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
}

.footer__title {
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
    font-size: 1.2rem;
}

.footer__links {
    list-style: none;
}

.footer__link {
    display: block;
    padding: var(--spacing-sm) 0;
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

.footer__link:hover {
    color: var(--color-accent);
    text-decoration: none;
}

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

.footer__contact--icon {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.footer__bottom {
    border-top: 1px solid var(--color-gray-700);
    padding-top: var(--spacing-xl);
    text-align: center;
    font-size: 0.9rem;
}

.footer__legal {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
}

/* ===============================================
 * ICÔNES SVG PERSONNALISÉES
 * =============================================== */

.icon {
    width: 24px;
    height: 24px;
    fill: currentColor;
    flex-shrink: 0;
}

.icon--small { width: 16px; height: 16px; }
.icon--medium { width: 24px; height: 24px; }
.icon--large { width: 32px; height: 32px; }
.icon--xlarge { width: 48px; height: 48px; }

/* ===============================================
 * ANIMATIONS
 * =============================================== */

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

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* ===============================================
 * ACCESSIBILITÉ
 * =============================================== */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

/* ===============================================
 * RESPONSIVE DESIGN
 * =============================================== */

@media (max-width: 1024px) {
    .header__container {
        flex-wrap: wrap;
    }

    .header__contact {
        display: none;
    }
}

@media (max-width: 768px) {
    .header__nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-gray-800);
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
    }

    .header__nav--active {
        display: block;
    }

    .nav__list {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .mobile-menu-btn {
        display: block;
    }

    .section {
        padding: var(--spacing-3xl) 0;
    }

    .hero {
        min-height: 70vh;
    }

    .grid--2, .grid--3, .grid--4 {
        grid-template-columns: 1fr;
    }

    .section-divider--top, .section-divider--bottom, .section-divider--both {
        clip-path: none;
        margin-top: 0;
        margin-bottom: 0;
    }
}

@media (max-width: 480px) {
    .section__container {
        padding: 0 var(--spacing-md);
    }

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

    .btn {
        width: 100%;
    }
}

/* ===============================================
 * IMPRESSION
 * =============================================== */

@media print {
    .header, .footer, .theme-toggle, .lang-toggle {
        display: none;
    }

    .section {
        page-break-inside: avoid;
    }

    body {
        color: #000;
        background: #fff;
    }
}