/* ==========================================================================
   KLF Electronics — Refonte minimaliste moderne
   Palette : Primary #6C7CE7 · Accent #FF6B9D · Surface #FAFBFC
   Typo    : Sans-serif géométrique
   Coins   : 24px · Ombres douces · Animations rebond
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&display=swap');

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

:root {
    /* Palette principale */
    --primary:        #6C7CE7;
    --primary-hover:  #5A6BD9;
    --primary-soft:   rgba(108, 124, 231, 0.10);
    --primary-line:   rgba(108, 124, 231, 0.30);

    --accent:         #FF6B9D;
    --accent-hover:   #FF5588;
    --accent-soft:    rgba(255, 107, 157, 0.12);

    /* Surfaces & texte */
    --bg:             #FAFBFC;
    --bg-elevated:    #FFFFFF;
    --bg-soft:        #F4F6FA;
    --text:           #1A1D29;
    --text-muted:     #6B7280;
    --text-soft:      #9CA3AF;

    /* Bordures */
    --border:         rgba(26, 29, 41, 0.08);
    --border-strong:  rgba(26, 29, 41, 0.14);

    /* Ombres douces */
    --shadow-xs:      0 2px 6px rgba(108, 124, 231, 0.06);
    --shadow-sm:      0 8px 24px rgba(26, 29, 41, 0.06);
    --shadow-md:      0 16px 40px rgba(26, 29, 41, 0.08);
    --shadow-lg:      0 30px 60px rgba(108, 124, 231, 0.12);
    --shadow-glow:    0 0 32px rgba(108, 124, 231, 0.25);

    /* Header */
    --header-bg:      rgba(250, 251, 252, 0.85);

    /* Filtre icônes contact (assombrit pour qu'elles soient visibles sur fond clair) */
    --icon-filter:    brightness(0) saturate(100%) invert(28%) sepia(89%) saturate(2476%) hue-rotate(226deg) brightness(98%) contrast(96%);

    /* Géométrie */
    --radius-sm:      12px;
    --radius:         24px;
    --radius-lg:      32px;
    --radius-pill:    999px;

    /* Animations */
    --ease:           cubic-bezier(.34, 1.56, .64, 1); /* rebond subtil */
    --ease-out:       cubic-bezier(.16, 1, .3, 1);
    --ease-snap:      cubic-bezier(.22, .61, .36, 1);

    /* Typo */
    --sans:           'Plus Jakarta Sans', 'Inter', system-ui, sans-serif;
    --display:        'Space Grotesk', 'Plus Jakarta Sans', sans-serif;
}

/* Thème sombre — posé via [data-theme="dark"] sur <html> */
[data-theme="dark"] {
    --bg:            #0F1117;
    --bg-elevated:   #181B23;
    --bg-soft:       #21252F;
    --text:          #F5F7FA;
    --text-muted:    #9CA3AF;
    --text-soft:     #6B7280;
    --border:        rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.14);
    --shadow-sm:     0 8px 24px rgba(0, 0, 0, 0.30);
    --shadow-md:     0 16px 40px rgba(0, 0, 0, 0.40);
    --shadow-lg:     0 30px 60px rgba(0, 0, 0, 0.50);
    --header-bg:     rgba(15, 17, 23, 0.85);
    --icon-filter:   brightness(0) saturate(100%) invert(76%) sepia(20%) saturate(640%) hue-rotate(359deg) brightness(94%) contrast(89%);
}

/* Auto-dark : si l'utilisateur n'a jamais choisi ET que l'OS est en sombre */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme]) {
        --bg:            #0F1117;
        --bg-elevated:   #181B23;
        --bg-soft:       #21252F;
        --text:          #F5F7FA;
        --text-muted:    #9CA3AF;
        --text-soft:     #6B7280;
        --border:        rgba(255, 255, 255, 0.08);
        --border-strong: rgba(255, 255, 255, 0.14);
        --shadow-sm:     0 8px 24px rgba(0, 0, 0, 0.30);
        --shadow-md:     0 16px 40px rgba(0, 0, 0, 0.40);
        --shadow-lg:     0 30px 60px rgba(0, 0, 0, 0.50);
        --header-bg:     rgba(15, 17, 23, 0.85);
        --icon-filter:   brightness(0) saturate(100%) invert(76%) sepia(20%) saturate(640%) hue-rotate(359deg) brightness(94%) contrast(89%);
    }
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--sans);
    font-weight: 400;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

::selection {
    background: var(--primary);
    color: #fff;
}

/* ----- Scrollbar ----- */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: var(--border-strong);
    border-radius: var(--radius-pill);
}
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ==========================================================================
   HEADER
   ========================================================================== */

.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--header-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border);
    transition: box-shadow 0.4s var(--ease-snap), background 0.4s var(--ease-snap);
}

.header.scrolled {
    box-shadow: var(--shadow-sm);
}

.header-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 18px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 32px;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: #fff;
    box-shadow: var(--shadow-glow);
    transition: transform 0.5s var(--ease);
}

.logo-section:hover .logo-icon {
    transform: rotate(-10deg) scale(1.05);
}

.logo-text h1 {
    font-family: var(--display);
    font-size: 22px;
    font-weight: 700;
    color: var(--text);
    margin: 0;
    letter-spacing: -0.02em;
    line-height: 1;
}

.logo-text p {
    font-family: var(--sans);
    font-size: 10px;
    color: var(--text-muted);
    margin: 4px 0 0;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    font-weight: 600;
}

.nav {
    display: flex;
    gap: 8px;
}

.nav a {
    position: relative;
    text-decoration: none;
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
    padding: 10px 18px;
    border-radius: var(--radius-pill);
    transition: all 0.4s var(--ease-snap);
}

.nav a:hover {
    color: var(--primary);
    background: var(--primary-soft);
}

.nav a.is-active {
    color: var(--primary);
    background: var(--primary-soft);
}

/* ----- Mobile menu toggle ----- */
.menu-toggle {
    display: none;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    color: var(--text);
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    position: relative;
    z-index: 200;
    transition: transform 0.5s var(--ease);
}

.menu-toggle:hover {
    transform: scale(1.05);
    border-color: var(--primary);
}

.menu-toggle .bar {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 18px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: transform 0.5s var(--ease), opacity 0.3s var(--ease-snap);
    transform-origin: center;
}

.menu-toggle .bar:nth-child(1) { transform: translate(-50%, -5px); }
.menu-toggle .bar:nth-child(2) { transform: translate(-50%, -1px); }
.menu-toggle .bar:nth-child(3) { transform: translate(-50%, 3px); }

.menu-toggle.is-open { background: var(--primary); border-color: var(--primary); }
.menu-toggle.is-open .bar { background: #fff; }
.menu-toggle.is-open .bar:nth-child(1) { transform: translate(-50%, 0) rotate(45deg); }
.menu-toggle.is-open .bar:nth-child(2) { opacity: 0; }
.menu-toggle.is-open .bar:nth-child(3) { transform: translate(-50%, 0) rotate(-45deg); }

/* ----- Theme toggle ----- */
.theme-toggle {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border);
    background: var(--bg-elevated);
    color: var(--text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s var(--ease-snap);
    margin-left: 8px;
    position: relative;
    overflow: hidden;
}

.theme-toggle:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: rotate(20deg) scale(1.05);
    box-shadow: var(--shadow-sm);
}

.theme-toggle .sun,
.theme-toggle .moon {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.4s var(--ease-snap), transform 0.6s var(--ease);
}

.theme-toggle .sun svg,
.theme-toggle .moon svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.theme-toggle .sun {
    opacity: 0;
    transform: translateY(20px) rotate(-90deg);
}

.theme-toggle .moon {
    opacity: 1;
    transform: translateY(0) rotate(0);
}

[data-theme="light"] .theme-toggle .sun {
    opacity: 1;
    transform: translateY(0) rotate(0);
}

[data-theme="light"] .theme-toggle .moon {
    opacity: 0;
    transform: translateY(-20px) rotate(90deg);
}

[data-theme="dark"] .theme-toggle .sun {
    opacity: 0;
    transform: translateY(20px) rotate(-90deg);
}

[data-theme="dark"] .theme-toggle .moon {
    opacity: 1;
    transform: translateY(0) rotate(0);
}

/* ==========================================================================
   MOBILE NAV — slide-over moderne
   ========================================================================== */

.mobile-nav-overlay {
    position: fixed;
    inset: 0;
    z-index: 150;
    pointer-events: none;
    visibility: hidden;
}

.mobile-nav-overlay.is-open {
    pointer-events: auto;
    visibility: visible;
}

.mobile-nav-overlay::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(26, 29, 41, 0.45);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    opacity: 0;
    transition: opacity 0.5s var(--ease-snap);
}

.mobile-nav-overlay.is-open::before { opacity: 1; }

.mobile-nav {
    position: absolute;
    top: 0;
    right: 0;
    height: 100%;
    width: min(420px, 90vw);
    background: var(--bg-elevated);
    transform: translateX(101%);
    transition: transform 0.6s var(--ease-out);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

.mobile-nav-overlay.is-open .mobile-nav {
    transform: translateX(0);
}

.mobile-nav__header {
    padding: 32px 32px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.mobile-nav__brand {
    font-family: var(--display);
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 10px;
}

.mobile-nav__brand-mark {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
}

.mobile-nav__overline {
    padding: 24px 32px 8px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-soft);
}

.mobile-nav__list {
    list-style: none;
    padding: 0 16px;
    margin: 0;
    flex: 1;
    overflow-y: auto;
}

.mobile-nav__item {
    opacity: 0;
    transform: translateX(24px);
    transition: opacity 0.5s var(--ease-snap), transform 0.5s var(--ease-out);
}

.mobile-nav-overlay.is-open .mobile-nav__item {
    opacity: 1;
    transform: translateX(0);
}

.mobile-nav-overlay.is-open .mobile-nav__item:nth-child(1) { transition-delay: 0.20s; }
.mobile-nav-overlay.is-open .mobile-nav__item:nth-child(2) { transition-delay: 0.28s; }
.mobile-nav-overlay.is-open .mobile-nav__item:nth-child(3) { transition-delay: 0.36s; }
.mobile-nav-overlay.is-open .mobile-nav__item:nth-child(4) { transition-delay: 0.44s; }

.mobile-nav__link {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 16px;
    text-decoration: none;
    color: var(--text);
    font-family: var(--display);
    font-size: 22px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: background 0.3s var(--ease-snap), color 0.3s var(--ease-snap), transform 0.4s var(--ease);
}

.mobile-nav__link:hover,
.mobile-nav__link:focus-visible {
    background: var(--primary-soft);
    color: var(--primary);
    transform: translateX(4px);
    outline: none;
}

.mobile-nav__num {
    font-family: var(--sans);
    font-size: 12px;
    font-weight: 600;
    color: var(--text-soft);
    letter-spacing: 0.1em;
    min-width: 36px;
}

.mobile-nav__foot {
    padding: 24px 32px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.mobile-nav__foot .dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-pill);
    background: #22C55E;
    display: inline-block;
    margin-right: 8px;
    box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.15);
    animation: pulse 2s var(--ease) infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.15); }
    50%      { box-shadow: 0 0 0 8px rgba(34, 197, 94, 0); }
}

body.menu-locked {
    overflow: hidden;
}

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

.hero {
    position: relative;
    overflow: hidden;
    padding: 140px 24px 160px;
    text-align: center;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 20%, var(--primary-soft) 0%, transparent 45%),
        radial-gradient(circle at 80% 70%, var(--accent-soft) 0%, transparent 45%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    top: 10%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--primary-soft) 0%, transparent 70%);
    pointer-events: none;
    filter: blur(60px);
}

.hero-content {
    position: relative;
    max-width: 880px;
    margin: 0 auto;
    z-index: 1;
    animation: heroRise 1s var(--ease) both;
}

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

.hero h2 {
    font-family: var(--display);
    font-size: clamp(48px, 7vw, 84px);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
    color: var(--text);
}

.hero h2 .accent {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
}

.hero h3 {
    font-family: var(--sans);
    font-size: 17px;
    font-weight: 400;
    line-height: 1.55;
    color: var(--text-muted);
    margin-bottom: 48px;
    max-width: 620px;
    margin-left: auto;
    margin-right: auto;
}

.hero-features {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.feature {
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--text);
    padding: 12px 22px;
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    background: var(--bg-elevated);
    box-shadow: var(--shadow-xs);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.4s var(--ease-snap);
}

.feature:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.feature .check {
    color: var(--primary);
    font-weight: 700;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 18px 36px;
    border: none;
    border-radius: var(--radius-pill);
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    text-decoration: none;
    font-family: var(--sans);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.02em;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease-snap);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

.btn-primary .arrow {
    transition: transform 0.4s var(--ease);
}

.btn-primary:hover .arrow {
    transform: translateX(4px);
}

/* ==========================================================================
   SECTION HEADER
   ========================================================================== */

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header .eyebrow {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--primary);
    background: var(--primary-soft);
    padding: 6px 16px;
    border-radius: var(--radius-pill);
    margin-bottom: 18px;
}

.section-header h2 {
    font-family: var(--display);
    font-size: clamp(36px, 5vw, 52px);
    font-weight: 700;
    color: var(--text);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.section-header p {
    font-size: 16px;
    color: var(--text-muted);
    max-width: 540px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ==========================================================================
   CATALOG
   ========================================================================== */

.catalog {
    max-width: 1280px;
    margin: 0 auto;
    padding: 100px 32px;
}

.filter-tabs {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.filter-btn {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 12px 22px;
    border-radius: var(--radius-pill);
    cursor: pointer;
    font-family: var(--sans);
    font-size: 13px;
    font-weight: 600;
    transition: all 0.4s var(--ease-snap);
}

.filter-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

.filter-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

/* Search bar */
.search-bar {
    max-width: 520px;
    margin: 0 auto 24px;
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: 22px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 18px;
    color: var(--text-muted);
    pointer-events: none;
    transition: color 0.3s var(--ease-snap);
}

.search-bar:focus-within .search-icon { color: var(--primary); }

.search-input {
    width: 100%;
    padding: 16px 50px 16px 54px;
    background: var(--bg-elevated);
    border: 2px solid var(--border);
    border-radius: var(--radius-pill);
    font-family: var(--sans);
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
    box-shadow: var(--shadow-xs);
    transition: border-color 0.3s var(--ease-snap), box-shadow 0.3s var(--ease-snap);
}

.search-input::placeholder { color: var(--text-soft); }

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-soft);
}

.search-input::-webkit-search-cancel-button { display: none; }

.search-clear {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    border: none;
    background: var(--bg-soft);
    color: var(--text-muted);
    border-radius: var(--radius-pill);
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s var(--ease-snap), color 0.3s var(--ease-snap);
}

.search-clear:hover {
    background: var(--accent);
    color: #fff;
}

.results-count {
    text-align: center;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 32px;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.results-count strong {
    color: var(--primary);
    font-weight: 700;
    font-size: 14px;
}

/* No results state */
.no-results {
    text-align: center;
    padding: 64px 20px;
    background: var(--bg-elevated);
    border: 1px dashed var(--border-strong);
    border-radius: var(--radius);
    animation: fadeIn 0.5s var(--ease-out);
}

.no-results__icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.no-results h3 {
    font-family: var(--display);
    font-size: 22px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
}

.no-results p {
    color: var(--text-muted);
    font-size: 14px;
}

.products-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.product-item {
    position: relative;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px 28px;
    text-align: center;
    transition: opacity 0.4s var(--ease-snap), transform 0.4s var(--ease), box-shadow 0.4s var(--ease-snap), border-color 0.4s var(--ease-snap);
    overflow: hidden;
    will-change: transform, opacity;
}

/* État caché (géré par le JS via [hidden] + classes) */
.product-item.is-hidden {
    display: none;
}

.product-item.is-fading {
    opacity: 0;
    transform: scale(0.96);
}

.product-item:hover {
    transform: translateY(-6px);
    border-color: transparent;
    box-shadow: var(--shadow-md);
}

.product-item::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius);
    padding: 1px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s var(--ease-snap);
    pointer-events: none;
}

.product-item:hover::before {
    opacity: 1;
}

.product-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--accent-soft);
    color: var(--accent);
    padding: 6px 12px;
    border-radius: var(--radius-pill);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.05em;
    z-index: 2;
}

.product-image {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 140px;
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
}

.product-image img {
    max-width: 100%;
    max-height: 130px;
    object-fit: contain;
    transition: transform 0.5s var(--ease);
}

.product-item:hover .product-image img {
    transform: scale(1.08) rotate(-2deg);
}

.product-item h3 {
    font-family: var(--display);
    font-size: 20px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
    letter-spacing: -0.01em;
    position: relative;
    z-index: 1;
}

.product-item p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 16px;
    line-height: 1.55;
    position: relative;
    z-index: 1;
}

.product-code {
    display: inline-block;
    font-family: var(--sans);
    font-size: 11px;
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-soft);
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    letter-spacing: 0.04em;
    position: relative;
    z-index: 1;
}

/* ==========================================================================
   SERVICES
   ========================================================================== */

.services {
    max-width: 1280px;
    margin: 0 auto;
    padding: 100px 32px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-item {
    position: relative;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 32px;
    overflow: hidden;
    transition: all 0.5s var(--ease-snap);
}

.service-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s var(--ease-out);
}

.service-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.service-item:hover::after {
    transform: scaleX(1);
}

.service-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--primary-soft), var(--accent-soft));
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 24px;
    transition: transform 0.5s var(--ease);
}

.service-item:hover .service-icon {
    transform: scale(1.08) rotate(-6deg);
}

.service-item h3 {
    font-family: var(--display);
    font-size: 22px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.service-item p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.65;
}

/* ==========================================================================
   ABOUT
   ========================================================================== */

.about {
    max-width: 1280px;
    margin: 0 auto;
    padding: 100px 32px;
}

.about-content {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-text .eyebrow {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--primary);
    background: var(--primary-soft);
    padding: 6px 16px;
    border-radius: var(--radius-pill);
    margin-bottom: 20px;
}

.about-text h2 {
    font-family: var(--display);
    font-size: clamp(36px, 5vw, 48px);
    font-weight: 700;
    color: var(--text);
    margin-bottom: 24px;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.about-text p {
    color: var(--text-muted);
    margin-bottom: 18px;
    font-size: 16px;
    line-height: 1.75;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
    padding-top: 32px;
    border-top: 1px solid var(--border);
}

.stat strong {
    display: block;
    font-family: var(--display);
    font-size: 40px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.stat span {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-weight: 500;
}

.about-image {
    height: 520px;
    position: relative;
}

.image-placeholder {
    width: 100%;
    height: 100%;
    background: var(--bg-elevated);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-lg);
}

.image-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1s var(--ease);
}

.about-image:hover .image-placeholder img {
    transform: scale(1.05);
}

/* ==========================================================================
   CONTACT
   ========================================================================== */

.contact {
    max-width: 1280px;
    margin: 0 auto;
    padding: 100px 32px;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 32px;
}

.contact-form {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group { margin-bottom: 24px; }

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.form-group input,
.form-group textarea {
    width: 100%;
    background: var(--bg-soft);
    border: 2px solid transparent;
    padding: 14px 18px;
    color: var(--text);
    font-family: var(--sans);
    font-size: 15px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: border-color 0.3s var(--ease-snap), background 0.3s var(--ease-snap);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-soft);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--bg-elevated);
    box-shadow: 0 0 0 4px var(--primary-soft);
}

.form-group input.is-invalid,
.form-group textarea.is-invalid {
    border-color: var(--accent);
    background: rgba(255, 107, 157, 0.04);
}

.form-group input.is-invalid:focus,
.form-group textarea.is-invalid:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(255, 107, 157, 0.15);
}

.form-group input.is-valid,
.form-group textarea.is-valid {
    border-color: #22C55E;
}

.form-error {
    display: block;
    margin-top: 8px;
    font-size: 12px;
    color: var(--accent);
    font-weight: 500;
    min-height: 16px;
    opacity: 0;
    transform: translateY(-4px);
    transition: opacity 0.3s var(--ease-snap), transform 0.3s var(--ease-snap);
}

.form-error.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
}

.btn-submit {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    border: none;
    border-radius: var(--radius-pill);
    font-family: var(--sans);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.05em;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease-snap);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-submit:active {
    transform: translateY(0);
}

.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.contact-info {
    display: grid;
    gap: 16px;
    align-content: start;
}

.info-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    padding: 24px;
    border-radius: var(--radius);
    text-align: left;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all 0.4s var(--ease-snap);
}

.info-card:hover {
    transform: translateX(4px);
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.info-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: var(--bg-soft);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.5s var(--ease), border-color 0.4s var(--ease-snap);
}

.info-icon img {
    width: 30px;
    height: 30px;
    object-fit: contain;
    /* Pas de filtre : on garde les couleurs d'origine des PNG */
    transition: transform 0.4s var(--ease);
}

.info-card:hover .info-icon img {
    transform: scale(1.1);
}

.info-card:hover .info-icon {
    border-color: var(--primary);
    transform: scale(1.08) rotate(-8deg);
}

.info-card-body { flex: 1; }

.info-card h4 {
    font-family: var(--display);
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 2px;
    letter-spacing: -0.01em;
}

.info-card p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.5;
}

.info-card a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.info-card a:hover { color: var(--accent); }

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

.footer {
    background: var(--bg-elevated);
    border-top: 1px solid var(--border);
    color: var(--text);
    padding: 64px 32px 24px;
    margin-top: 80px;
}

.footer-content {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-family: var(--display);
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text);
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-section h3::before {
    content: '⚡';
    font-size: 18px;
}

.footer-section h4 {
    font-family: var(--sans);
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 18px;
    color: var(--text);
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.footer-section p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.65;
}

.footer-section a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 10px;
    transition: color 0.3s var(--ease-snap), transform 0.3s var(--ease-snap);
}

.footer-section a:hover {
    color: var(--primary);
    transform: translateX(3px);
}

.social { display: flex; flex-direction: column; gap: 0; }

.footer-bottom {
    max-width: 1280px;
    margin: 0 auto;
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    font-size: 12px;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

/* ==========================================================================
   TOAST NOTIFICATIONS
   ========================================================================== */

.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 12px;
    pointer-events: none;
    max-width: 360px;
}

.toast {
    pointer-events: auto;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 20px;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    transform: translateX(120%);
    opacity: 0;
    animation: toastIn 0.5s var(--ease) forwards;
    position: relative;
    overflow: hidden;
}

.toast::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--primary);
}

.toast--success::before { background: #22C55E; }
.toast--error::before   { background: var(--accent); }
.toast--info::before    { background: var(--primary); }

.toast.is-leaving {
    animation: toastOut 0.4s var(--ease-snap) forwards;
}

.toast__icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    color: #fff;
    background: var(--primary);
}

.toast--success .toast__icon { background: #22C55E; }
.toast--error   .toast__icon { background: var(--accent); }

.toast__message { flex: 1; line-height: 1.4; }

.toast__close {
    background: transparent;
    border: none;
    color: var(--text-soft);
    cursor: pointer;
    font-size: 16px;
    padding: 4px;
    line-height: 1;
    border-radius: 4px;
    transition: color 0.2s, background 0.2s;
}

.toast__close:hover {
    color: var(--text);
    background: var(--bg-soft);
}

@keyframes toastIn {
    from { transform: translateX(120%); opacity: 0; }
    to   { transform: translateX(0);    opacity: 1; }
}

@keyframes toastOut {
    from { transform: translateX(0);    opacity: 1; max-height: 200px; margin-bottom: 12px; }
    to   { transform: translateX(120%); opacity: 0; max-height: 0;    margin-bottom: 0; }
}

/* ==========================================================================
   SCROLL TO TOP
   ========================================================================== */

.scroll-top {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-pill);
    border: none;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    cursor: pointer;
    z-index: 90;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.8);
    transition: opacity 0.4s var(--ease-snap), visibility 0.4s var(--ease-snap), transform 0.5s var(--ease), box-shadow 0.4s var(--ease-snap);
}

.scroll-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.scroll-top:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: var(--shadow-lg);
}

.scroll-top:active {
    transform: translateY(-2px) scale(0.96);
}

/* Bouton scroll-top : ne pas superposer le conteneur de toasts */
@media (min-width: 769px) {
    .scroll-top { right: 96px; }
}


[data-reveal] {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

[data-reveal].is-revealed {
    opacity: 1;
    transform: translateY(0);
}

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

@media (max-width: 1024px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-content { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 768px) {
    .nav { display: none; }
    .menu-toggle { display: flex; align-items: center; justify-content: center; }

    .header-content { padding: 14px 20px; gap: 12px; }
    .theme-toggle { width: 40px; height: 40px; margin-left: 0; }

    .hero { padding: 80px 20px 100px; }
    .hero h3 { font-size: 16px; margin-bottom: 36px; }
    .hero-features { gap: 8px; margin-bottom: 36px; }

    .catalog,
    .services,
    .about,
    .contact {
        padding: 70px 20px;
    }

    .section-header { margin-bottom: 40px; }

    .products-showcase { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: 1fr; }

    .about-content { grid-template-columns: 1fr; gap: 40px; }
    .stats { grid-template-columns: 1fr 1fr; gap: 20px; }
    .about-image { height: 320px; }

    .contact-wrapper { grid-template-columns: 1fr; }
    .contact-form { padding: 28px 22px; }
    .form-row { grid-template-columns: 1fr; gap: 0; }

    .footer-content { grid-template-columns: 1fr; gap: 32px; }
    .footer { padding: 48px 20px 24px; }
}

@media (max-width: 480px) {
    .logo-text h1 { font-size: 18px; }
    .logo-text p { font-size: 9px; }
    .hero h2 { font-size: 36px; }
    .feature { width: 100%; justify-content: center; }
}