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

html {
    scroll-behavior: smooth;
}

:root {
    /* Palette Eau */
    --primary: #0288d1;        /* Bleu eau */
    --primary-dark: #01579b;   /* Bleu profond */
    --accent: #26c6da;         /* Cyan */

    --bg-page: #f0f4f8;
    --bg-card: #ffffff;
    --text-main: #263238;
    --text-light: #546e7a;

    --container-width: 900px;
    --header-height: 80px;
    --radius: 12px;
}

body {
    font-family: 'Lato', Helvetica, Arial, sans-serif;
    background-color: var(--bg-page);
    color: var(--text-main);
    line-height: 1.6;
    padding-top: calc(var(--header-height) + 40px);
}

a { text-decoration: none; color: inherit; transition: 0.3s; }
img { max-width: 100%; display: block; }

/* ===========================
   HEADER
=========================== */
.site-header {
    background-color: var(--primary-dark);
    height: var(--header-height);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 4px 10px rgba(0,0,0,0.25);
    display: flex;
    align-items: center;
}

.header-content {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.logo-link {
    color: white;
    font-size: 1.3rem;
    font-weight: bold;
}

/* ===========================
   CONTAINER
=========================== */
.site-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ===========================
   HERO / INTRO
=========================== */
.intro-wrapper {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    border-radius: var(--radius);
    padding: 50px 30px;
    margin-bottom: 30px;
}

.intro-wrapper h1 {
    font-size: 2.2rem;
    margin-bottom: 15px;
}

.intro-wrapper p {
    font-size: 1.1rem;
}

/* ===========================
   BLOC ASTUCE (réutilisé plus tard)
=========================== */
.poubelletri-tip-box {
    border: 2px solid var(--accent);
    background-color: #e1f5fe;
    padding: 20px;
    border-radius: var(--radius);
    margin-bottom: 30px;
}

/* ===========================
   TABLEAUX (futurs comparatifs)
=========================== */
.comparison-table-wrapper {
    overflow-x: auto;
    margin: 25px 0;
}

.comparison-table-product {
    width: 100%;
    min-width: 600px;
    border-collapse: collapse;
    background: white;
}

.comparison-table-product th {
    background: var(--primary-dark);
    color: white;
    padding: 15px;
    text-align: left;
}

.comparison-table-product td {
    padding: 15px;
    border-bottom: 1px solid #ddd;
}

/* ===========================
   FOOTER
=========================== */
.site-footer {
    margin-top: 60px;
    padding: 20px;
    text-align: center;
    color: var(--text-light);
    font-size: 0.9rem;
}