/* ---------------------------------------------------------
   Police — Roboto variable (auto-hébergée)
   --------------------------------------------------------- */
@font-face {
    font-family: 'Roboto';
    src: url('../fonts/Roboto/roboto-variable.woff2') format('woff2 supports variations'),
         url('../fonts/Roboto/roboto-variable.woff2') format('woff2');
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Roboto';
    src: url('../fonts/Roboto/roboto-variable-italic.woff2') format('woff2 supports variations'),
         url('../fonts/Roboto/roboto-variable-italic.woff2') format('woff2');
    font-weight: 100 900;
    font-style: italic;
    font-display: swap;
}

/* ---------------------------------------------------------
   Variables
   --------------------------------------------------------- */
:root {
    --cream:        #FAF7F2;
    --cream-dark:   #F0E9DC;
    --gold:         #B8935A;
    --gold-light:   #DEC99A;
    --gold-pale:    #F5ECD8;
    --text-light:   #8C6E5A;
    --black:         black;
    --border:       #E5D9C8;
    --border-darker:#ddcdba;
    --white:        #FFFFFF;
    --light-pink:   #fdf7f2;
    --light-pink-rgb: 253, 247, 242;
    --light-pink-darker: #f9eee5;
    --terracotta:    #bb5644;
    --terracotta-light: #fdebeb;
    --deep-blue: #1a3951;
    --blue: #146da8;
    --blue-hover: #107ab5;
    --blue-rgb: 20, 109, 168;
    --brown: #ddc0a2;
    --brown-rgb: 221, 192, 162;

    --font-sans:    'Roboto', system-ui, sans-serif;

    --transition:   0.3s ease;

    --header-top-height: 30px;
    --header-nav-height: 75px;
}


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

html {
    scroll-behavior: smooth;
    font-size: 62.5%;
}

/* Skip link (accessibilité clavier)
   --------------------------------------------------------- */
.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    z-index: 9999;
    padding: 1rem 2rem;
    background-color: var(--blue);
    color: var(--light-pink);
    font-size: 1.2rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08rem;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 0;
}

/* Visually hidden — accessible aux lecteurs d'écran uniquement */
.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;
}

body {
    font-family: var(--font-sans);
    font-size: 1.3rem;
    letter-spacing: 0.02rem;
    color: var(--black);
    background-color: var(--light-pink);
}

body.home-page {
    border-top: 4px solid white;
}

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

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    padding: 0 3rem;
}

/* ---------------------------------------------------------
   Utilitaires
   --------------------------------------------------------- */

   /* Boutons */
.btn {
    display: inline-block;
    padding: 1.7rem 2.8rem;
    font-size: 1.1rem;
    font-weight: 500;
    letter-spacing: 0.04rem;
    text-transform: uppercase;
    transition: background-color var(--transition), color var(--transition), border-color var(--transition);
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: #107ab5;
}

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

.btn-secondary:hover {
    background-color: var(--brown-mid);
    border-color: var(--brown-mid);
}

.btn-outline {
    background-color: transparent;
    color: var(--brown);
    border-color: var(--brown);
}

.btn-outline:hover {
    background-color: var(--brown);
    color: var(--cream);
}

/* Lien avec ligne se traçant de gauche à droite au hover */
.link-underline {
    position: relative;
    display: inline-block;
}

.link-underline::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 100%;
    height: 1px;
    background-color: currentColor;
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.link-underline:hover::after {
    transform: scaleX(1);
}

/* Checkbox */
input[type="checkbox"] {
    -webkit-appearance: none;
    appearance: none;
    width: 1.3rem;
    height: 1.3rem;
    border: 1.5px solid currentColor;
    border-radius: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease;
    position: relative;
    top: -0.55px;
}

input[type="checkbox"]::after {
    content: '';
    display: block;
    width: 0.5rem;
    height: 0.5rem;
    background-color: var(--terracotta);
    transform: scale(0);
    transition: transform 0.15s cubic-bezier(0.16, 1, 0.3, 1);
}

input[type="checkbox"]:checked::after {
    transform: scale(1);
}

@keyframes name-summer {
    0%   { color: #3a9bd5; }
    20%  { color: #2ec4b6; }
    40%  { color: #f4a261; }
    60%  { color: #e76f51; }
    80%  { color: #f7c59f; }
    100% { color: #3a9bd5; }
}