/*
Theme Name: Plans d'Expériences - Philippe Alexis
Theme URI: https://plan-experiences-alexis.com
Author: Philippe Alexis
Author URI: https://plan-experiences-alexis.com
Description: Thème WordPress pour le site Plans d'Expériences, inspiré de la charte graphique Lean'Art. Design minimaliste et professionnel avec palette mauve/violet.
Version: 1.0.0
Requires at least: 5.0
Tested up to: 6.4
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: planexpe
Tags: one-column, two-columns, custom-menu, featured-images, translation-ready
*/

/* ============================================
   CSS VARIABLES - CHARTE GRAPHIQUE
   ============================================ */
:root {
    /* Couleurs principales */
    --color-primary: #776E8A;
    --color-primary-light: rgba(119, 110, 138, 0.69);
    --color-secondary: #B29FA8;
    --color-secondary-light: rgba(179, 159, 168, 0.23);
    --color-accent: #413f73;

    /* Neutres */
    --color-white: #FFFFFF;
    --color-black: #000000;
    --color-text: #3A3A3A;
    --color-text-light: #808285;
    --color-gray: #A6A6A6;
    --color-bg-light: #FFFDF7;
    --color-bg-warm: #fffaee;

    /* Typographie */
    --font-primary: 'Work Sans', sans-serif;
    --font-size-base: 16px;
    --font-size-small: 14px;
    --font-size-h1: 44px;
    --font-size-h2: 33px;
    --font-size-h3: 28px;
    --font-size-h4: 22px;
    --font-size-nav: 14px;

    /* Espacements */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 40px;
    --spacing-xl: 80px;
    --spacing-xxl: 112px;

    /* Layout */
    --max-width: 1200px;
    --nav-height: 100px;
}

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

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: 400;
    line-height: 1.65;
    color: var(--color-text);
    background-color: var(--color-white);
}

/* ============================================
   TYPOGRAPHIE
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 300;
    line-height: 1.3;
    color: var(--color-primary);
}

h1 {
    font-size: var(--font-size-h1);
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: var(--font-size-h2);
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: var(--font-size-h3);
    margin-bottom: var(--spacing-sm);
}

h4 {
    font-size: var(--font-size-h4);
    margin-bottom: var(--spacing-sm);
}

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

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--color-secondary);
    text-decoration: underline;
}

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

ul, ol {
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

/* ============================================
   LAYOUT
   ============================================ */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

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

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

.section--primary h2,
.section--primary h3,
.section--primary a {
    color: var(--color-white);
}

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

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

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

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

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

/* ============================================
   HEADER / NAVIGATION
   ============================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: transparent;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.site-header.scrolled {
    background-color: var(--color-white);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--nav-height);
}

.site-logo img {
    height: 70px;
    width: auto;
}

.site-logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.main-navigation {
    display: flex;
    align-items: center;
}

.main-navigation ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--spacing-md);
}

.main-navigation li {
    position: relative;
}

.main-navigation a {
    font-size: var(--font-size-nav);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-primary-light);
    text-decoration: none;
    padding: var(--spacing-xs) 0;
    transition: color 0.3s ease;
}

.site-header.scrolled .main-navigation a {
    color: var(--color-primary);
}

.main-navigation a:hover {
    color: var(--color-primary);
    text-decoration: none;
}

/* Sous-menus */
.main-navigation .sub-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 280px;
    background-color: var(--color-white);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    flex-direction: column;
    padding: var(--spacing-sm) 0;
    gap: 0;
    z-index: 100;
}

.main-navigation li:hover > .sub-menu {
    display: flex;
}

.main-navigation .sub-menu a {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 13px;
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
    color: var(--color-text);
    display: block;
}

.main-navigation .sub-menu a:hover {
    background-color: var(--color-secondary-light);
    color: var(--color-primary);
}

/* Menu mobile */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--color-primary);
    margin: 5px 0;
    transition: 0.3s;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    background-color: var(--color-primary);
    background-size: cover;
    background-position: center;
    padding-top: var(--nav-height);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, rgba(119, 110, 138, 0.85) 100%);
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 600px;
    color: var(--color-white);
}

.hero-divider {
    width: 60px;
    height: 2px;
    background-color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.hero-tagline {
    font-size: 25px;
    font-weight: 300;
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
}

.hero h1 {
    font-size: var(--font-size-h2);
    font-weight: 300;
    text-transform: uppercase;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.hero p {
    font-size: var(--font-size-base);
    line-height: 1.65;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

/* ============================================
   BOUTONS
   ============================================ */
.btn {
    display: inline-block;
    padding: 20px 35px;
    font-family: var(--font-primary);
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    border: none;
    border-radius: 0;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.btn--primary:hover {
    background-color: var(--color-bg-light);
    color: var(--color-primary);
    text-decoration: none;
}

.btn--outline {
    background-color: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

.btn--outline:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    text-decoration: none;
}

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

.btn--accent:hover {
    background-color: var(--color-primary);
    text-decoration: none;
}

/* ============================================
   CARDS - EXPERTISES
   ============================================ */
.card {
    padding: var(--spacing-lg);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.card h3 {
    margin-bottom: var(--spacing-sm);
}

.card p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.card-link {
    font-size: var(--font-size-small);
    font-weight: 500;
    text-transform: lowercase;
    color: var(--color-primary);
}

.card-link:hover {
    text-decoration: underline;
}

/* Couleurs par expertise */
.card--methodologie h3 { color: var(--color-primary); }
.card--usages h3 { color: var(--color-secondary); }
.card--prestations h3 { color: var(--color-gray); }

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

.content-section .grid--2 {
    align-items: center;
    gap: var(--spacing-xl);
}

.content-section h2 {
    position: relative;
}

.content-section h2::before {
    content: '';
    position: absolute;
    left: -20px;
    top: 0;
    bottom: 0;
    width: 3px;
    background-color: var(--color-primary);
}

/* ============================================
   PAGE CONTENT
   ============================================ */
.page-header {
    background-color: var(--color-primary);
    padding: calc(var(--nav-height) + var(--spacing-xl)) 0 var(--spacing-xl);
    color: var(--color-white);
}

.page-header h1 {
    color: var(--color-white);
    font-weight: 300;
}

.page-header .breadcrumb {
    font-size: var(--font-size-small);
    opacity: 0.7;
    margin-bottom: var(--spacing-sm);
}

.page-header .breadcrumb a {
    color: var(--color-white);
}

.page-content {
    padding: var(--spacing-xl) 0;
}

.page-content .container {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--spacing-xl);
}

.page-content.full-width .container {
    grid-template-columns: 1fr;
}

.entry-content {
    max-width: 800px;
}

.entry-content h2 {
    margin-top: var(--spacing-lg);
}

.entry-content img {
    margin: var(--spacing-md) 0;
    border-radius: 0;
}

.entry-content table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-md) 0;
}

.entry-content th,
.entry-content td {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid #eaeaea;
    text-align: left;
}

.entry-content th {
    background-color: var(--color-primary);
    color: var(--color-white);
    font-weight: 500;
}

/* ============================================
   SIDEBAR
   ============================================ */
.sidebar {
    padding-top: var(--spacing-md);
}

.widget {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: var(--color-secondary-light);
}

.widget h4 {
    font-size: 18px;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--color-primary);
}

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

.widget li {
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.widget li:last-child {
    border-bottom: none;
}

.widget a {
    color: var(--color-text);
    font-size: var(--font-size-small);
}

.widget a:hover {
    color: var(--color-primary);
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-section {
    background-color: var(--color-primary);
    padding: var(--spacing-xxl) var(--spacing-lg);
    color: var(--color-white);
}

.contact-section h2 {
    color: var(--color-white);
    font-weight: 300;
}

.contact-section .grid--2 {
    align-items: start;
}

.contact-info p {
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
}

.contact-info a {
    color: var(--color-white);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 10px 12px;
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.02);
    border: 0.6px solid rgba(255, 255, 255, 0.25);
    margin-bottom: var(--spacing-sm);
    transition: border-color 0.3s ease;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-white);
}

.contact-form textarea {
    min-height: 120px;
    resize: vertical;
}

.contact-form .btn {
    background-color: var(--color-white);
    color: var(--color-primary);
    border: 0.6px solid var(--color-white);
    text-transform: uppercase;
}

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

.site-footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    margin: 0;
    padding: 0;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-small);
}

.footer-links a:hover {
    color: var(--color-white);
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.4);
    font-size: var(--font-size-small);
}

/* ============================================
   ANIMATIONS
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    :root {
        --font-size-h1: 36px;
        --font-size-h2: 28px;
        --font-size-h3: 24px;
    }

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

    .page-content .container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-h1: 30px;
        --font-size-h2: 24px;
        --font-size-h3: 20px;
        --spacing-xl: 60px;
        --spacing-xxl: 80px;
    }

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

    /* Mobile menu */
    .menu-toggle {
        display: block;
    }

    .main-navigation ul {
        display: none;
        position: absolute;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background-color: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    }

    .main-navigation.active ul {
        display: flex;
    }

    .main-navigation .sub-menu {
        position: static;
        box-shadow: none;
        padding-left: var(--spacing-md);
    }

    .hero {
        min-height: 60vh;
    }

    .hero h1 {
        font-size: 24px;
    }

    .content-section h2::before {
        display: none;
    }
}

/* ============================================
   WORDPRESS SPECIFIC
   ============================================ */
.alignleft {
    float: left;
    margin-right: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.alignright {
    float: right;
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.aligncenter {
    display: block;
    margin: var(--spacing-md) auto;
}

.wp-caption {
    max-width: 100%;
    margin-bottom: var(--spacing-sm);
}

.wp-caption-text {
    font-size: var(--font-size-small);
    color: var(--color-text-light);
    padding-top: var(--spacing-xs);
}

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-sm);
}

.screen-reader-text {
    clip: rect(1px, 1px, 1px, 1px);
    position: absolute;
    height: 1px;
    width: 1px;
    overflow: hidden;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-lg) 0;
}

.pagination a,
.pagination span {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid #eaeaea;
    color: var(--color-text);
    font-size: var(--font-size-small);
}

.pagination .current {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}