/* RESET */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Inter", "Segoe UI", sans-serif;
}

body {
    background: #54655f;
    color: #efefef;
    overflow-x: hidden;
    line-height: 1.7;
}

/* TOPBAR STICKY */
.topbar {
    position: fixed;
    top: 0;
    width: 100%;
    backdrop-filter: blur(12px);
    background: rgba(15, 30, 20, 0.6);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    z-index: 1000;
}

.topbar-inner {
    max-width: 1600px;
    margin: 0 auto; /* centrage propre */
    padding: 0 auto; /* marge interne raisonnable */
}

.topbar-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}



.logo {
    height: 100px;
    width: auto;
    opacity: 0.9;
}

.topbar-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #b7e4c7;
}

/* HERO PARALLAX */
.hero {
    height: 45vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 60px;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: url("asset/img/background.jpg") center/cover no-repeat; /* Tu remplaces background.jpg */
    transform: scale(1.2);
    animation: parallax 20s linear infinite alternate;
    opacity: 0.35;
}

@keyframes parallax {
    from { transform: scale(1.2) translateY(0); }
    to   { transform: scale(1.25) translateY(-25px); }
}

.hero-content {
    position: relative;
    text-align: center;
    z-index: 2;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    letter-spacing: 3px;
    text-shadow: 0 6px 25px rgba(0,0,0,0.6);
}

.hero-subtitle {
    font-size: 1.3rem;
    opacity: 0.9;
}

/* LAYOUT */
.layout {
    display: flex;
    max-width: 1400px;
    margin: 3rem auto 3rem;
    gap: 2rem;
    align-items: flex-start; /* évite les décalages verticaux */
}


/* TABLE DES MATIÈRES */
.toc {
    width: 200px;
    position: sticky;
    top: 100px;
    height: fit-content;
    padding: 1.1rem;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.toc h3 {
    margin-bottom: 1rem;
    color: #95d5b2;
}

.toc ul {
    list-style: none;
}

.toc li {
    margin: 0.6rem 0;
}

.toc a {
    color: #b7e4c7;
    text-decoration: none;
    transition: 0.2s;
}

.toc a:hover {
    color: #d8f3dc;
    text-shadow: 0 0 8px rgba(150,230,180,0.6);
}

/* CONTENT */
.content {
    flex: 1;
}


/* CARDS */
.card {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.08);
    padding: 2rem;
    border-radius: 14px;
    margin-bottom: 2rem;
    backdrop-filter: blur(12px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.25);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s ease forwards;
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card h2 {
    color: #95d5b2;
    margin-bottom: 1rem;
}



/* LINKS */
a {
  color: #74c69d;
  font-weight: 600;
  text-decoration: none;
  transition: 0.25s ease;
}

a:hover {
  color: #b7e4c7;
  text-shadow: 0 0 8px rgba(116,198,157,0.6);
}

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

.links-list li {
  display: flex;
  align-items: center;
  padding: 0.6rem 0;
}

.links-list a {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.icon {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon img {
  width: 100%;
  height: 100%;
  opacity: 0.85;
  transition: 0.25s ease;
  filter: drop-shadow(0 0 4px rgba(150,230,180,0.4));
}

.links-list a:hover .icon img {
  opacity: 1;
  transform: scale(1.1);
  filter: drop-shadow(0 0 8px rgba(150,230,180,0.8));
}

footer {
  text-align: center;
  padding: 2rem 0;
  margin-top: 3rem;
  background: rgba(255,255,255,0.05);
  border-top: 1px solid rgba(255,255,255,0.08);
}


/* --- Structure générale --- */
.install-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    padding: 2rem 1rem;
    max-width: 1200px;
    margin: auto;
}

/* --- Bloc OS --- */
.install-block {
    background: #f8f9fa;
    border-radius: 14px;
    padding: 2rem;
    border: 1px solid #e3e6e8;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.install-block:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
}

/* --- Titres --- */
.install-block h3 {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #2d6a4f;
    font-weight: 700;
}

.install-block h4 {
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    color: #40916c;
    font-weight: 600;
}

/* --- Icônes OS --- */
.os-logo {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
}

/* --- Listes --- */
.install-block ul {
    margin: 0;
    padding-left: 1.2rem;
}

.install-block li {
    margin-bottom: 0.4rem;
    line-height: 1.4;
    color: #333;
}

/* --- Code inline --- */
.install-block code {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
    background: #e9f5ef;
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 0.9rem;
    color: #1b4332;
    border: 1px solid #cce3d8;
    margin-top: 0.4rem;
    margin-bottom: 0.6rem;
}
.install-block code::-webkit-scrollbar {
    height: 6px;
}
.install-block code::-webkit-scrollbar-thumb {
    background-color: #74c69d;
    border-radius: 3px;
}


/* --- Responsive --- */
@media (max-width: 600px) {
    .install-block {
        padding: 1.5rem;
    }

    .install-block h3 {
        font-size: 1.3rem;
    }
}


footer {
    display: flex;
    justify-content: space-between; /* left ↔ right */
    align-items: center;
    padding: 2rem 2rem;
    margin-top: 3rem;
    background: rgba(255,255,255,0.05);
    border-top: 1px solid rgba(255,255,255,0.08);
}

.footer-right {
    text-align: right;
    color: #b7e4c7;
    opacity: 0.9;
}

.modules-grid::after {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.module-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem 1.4rem;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    text-decoration: none;
    color: #d8f3dc;
    transition: 0.25s ease;
}

.module-item:hover {
    background: rgba(255,255,255,0.12);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.25);
}

.module-icon {
    width: 40px;
    height: 40px;
    opacity: 0.9;
    filter: drop-shadow(0 0 6px rgba(150,230,180,0.4));
    transition: 0.25s ease;
}

.module-item:hover .module-icon {
    opacity: 1;
    transform: scale(1.1);
    filter: drop-shadow(0 0 10px rgba(150,230,180,0.8));
}

.module-item h3 {
    margin: 0;
    font-size: 1.1rem;
    color: #b7e4c7;
}

.module-item p {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.8;
}

/* === TYPOGRAPHIE & ESPACEMENTS === */
.card h2 {
    margin-bottom: 1.4rem;
}

.card h3 {
    margin-top: 2rem;
    margin-bottom: 0.8rem;
}

.card h4 {
    margin-top: 1.2rem;
    margin-bottom: 0.4rem;
}

.card p {
    margin-bottom: 0.9rem;
}

.card p:last-child {
    margin-bottom: 0;
}

/* --- OTHERS --- */

.others-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.other-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;

    padding: 0.9rem 1.1rem;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 10px;

    color: #d8f3dc;
    text-decoration: none;

    transition:
        transform 0.3s ease,
        background 0.3s ease,
        box-shadow 0.3s ease;
}

.other-item:hover {
    transform: translateX(12px); /* swipe latéral */
    background: rgba(255,255,255,0.10);
    box-shadow: -6px 6px 20px rgba(0,0,0,0.25);
}

.other-item h3 {
    margin: 0;
    font-size: 1rem;
    color: #b7e4c7;
}

.other-item p {
    margin: 0;
    font-size: 0.8rem;
    opacity: 0.75;
}

.other-icon {
    font-size: 1.4rem;
    opacity: 0.9;
}