@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@500;600;700;800&display=swap');

:root {
    /* --- Palette EcoVap Toiture --- */
    --couleur-primaire: 0 100 189;           /* #0064bd - bleu eau */
    --couleur-primaire-hover: 0 76 148;       /* #004c94 */
    --couleur-primaire-clair: 219 234 252;    /* #dbeafc - bleu très clair */

    --couleur-secondaire: 83 164 2;           /* #53a402 - vert éco */
    --couleur-secondaire-hover: 66 131 2;     /* #428302 */
    --couleur-secondaire-clair: 226 242 204;  /* #e2f2cc - vert très clair */

    --fond-doux: #f6faf4;                     /* vert/blanc cassé apaisant */
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: #1f2933;
    -webkit-font-smoothing: antialiased;
}

.font-display {
    font-family: 'Plus Jakarta Sans', 'Inter', sans-serif;
    letter-spacing: -0.02em;
}

/* --- HERO (écologique, zen) --- */
.hero-eco {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(1000px 500px at 85% -20%, rgba(var(--couleur-primaire), 0.08), transparent 60%),
        linear-gradient(180deg, #ffffff 0%, var(--fond-doux) 100%);
}

.hero-eco::before {
    content: '';
    position: absolute;
    width: 380px;
    height: 380px;
    top: -140px;
    right: -120px;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
    z-index: 0;
    background-color: rgba(var(--couleur-primaire), 0.10);
}

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

/* --- Sections douces --- */
.section-soft {
    background: linear-gradient(180deg, #ffffff 0%, var(--fond-doux) 100%);
}

.section-eco {
    background: #ffffff;
}

/* --- Brouillard animé avec sprites pour la section procédé --- */
.process-fog {
    position: relative;
    isolation: isolate;
    overflow: hidden;
}

.process-fog > .container {
    position: relative;
    z-index: 2;
}

.fog-sprites {
    position: absolute;
    inset: 0;
    z-index: 1;
    overflow: hidden;
    pointer-events: none;
    opacity: 0.8;
}

.fog-sprite {
    position: absolute;
    display: block;
    width: min(3300px, 320vw);
    aspect-ratio: 2.45 / 1;
    background-position: center;
    background-repeat: no-repeat;
    background-size: contain;
    filter: saturate(1.25) contrast(1.15);
    mix-blend-mode: multiply;
    will-change: transform, opacity;
}

.fog-sprite-1 {
    left: -98%;
    top: 7%;
    background-image: url('content/fog-sprite-1.svg');
    animation: fog-sprite-float-1 46s ease-in-out infinite -12s;
}

.fog-sprite-2 {
    right: -82%;
    top: 24%;
    width: min(3150px, 305vw);
    background-image: url('content/fog-sprite-2.svg');
    animation: fog-sprite-float-2 52s ease-in-out infinite -24s;
}

.fog-sprite-3 {
    left: -50%;
    bottom: 3%;
    width: min(2850px, 290vw);
    background-image: url('content/fog-sprite-3.svg');
    animation: fog-sprite-float-3 49s ease-in-out infinite -18s;
}

.fog-sprite-4 {
    right: -62%;
    top: -1%;
    width: min(3050px, 300vw);
    background-image: url('content/fog-sprite-4.svg');
    animation: fog-sprite-float-4 58s ease-in-out infinite -34s;
}

@keyframes fog-sprite-float-1 {
    0% {
        opacity: 0.14;
        transform: translate3d(-8%, 18px, 0) scale(1.12);
    }

    18%,
    74% {
        opacity: 0.26;
    }

    100% {
        opacity: 0.14;
        transform: translate3d(54%, -18px, 0) scale(1.26);
    }
}

@keyframes fog-sprite-float-2 {
    0% {
        opacity: 0.13;
        transform: translate3d(14%, -8px, 0) scaleX(-1) scale(1.08);
    }

    16%,
    70% {
        opacity: 0.24;
    }

    100% {
        opacity: 0.13;
        transform: translate3d(-46%, 26px, 0) scaleX(-1) scale(1.24);
    }
}

@keyframes fog-sprite-float-3 {
    0% {
        opacity: 0.12;
        transform: translate3d(-16%, 16px, 0) scale(1);
    }

    20%,
    78% {
        opacity: 0.21;
    }

    100% {
        opacity: 0.12;
        transform: translate3d(42%, -24px, 0) scale(1.16);
    }
}

@keyframes fog-sprite-float-4 {
    0% {
        opacity: 0.12;
        transform: translate3d(12%, 8px, 0) scaleX(-1) scale(1.04);
    }

    14%,
    68% {
        opacity: 0.21;
    }

    100% {
        opacity: 0.12;
        transform: translate3d(-50%, -20px, 0) scaleX(-1) scale(1.2);
    }
}

@media (prefers-reduced-motion: reduce) {
    .fog-sprite {
        animation: none;
        opacity: 0.18;
    }
}

/* --- Pill / badge d'accroche --- */
.pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 9999px;
    background-color: rgba(var(--couleur-secondaire), 0.12);
    color: rgb(var(--couleur-secondaire-hover));
    border: 1px solid rgba(var(--couleur-secondaire), 0.25);
    font-weight: 600;
    font-size: 0.875rem;
}

.pill-primary {
    background-color: rgba(var(--couleur-primaire), 0.10);
    color: rgb(var(--couleur-primaire));
    border-color: rgba(var(--couleur-primaire), 0.20);
}

/* --- Icon badges (cards) --- */
.icon-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background-color: rgba(var(--couleur-primaire), 0.10);
    color: rgb(var(--couleur-primaire));
    font-size: 22px;
}

.icon-badge-green {
    background-color: rgba(var(--couleur-secondaire), 0.12);
    color: rgb(var(--couleur-secondaire-hover));
}

/* --- Cartes de service --- */
.service-card {
    position: relative;
    background: #ffffff;
    border: 1px solid rgba(15, 23, 42, 0.06);
    border-radius: 20px;
    padding: 28px;
    transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px -20px rgba(0, 100, 189, 0.25);
    border-color: rgba(var(--couleur-primaire), 0.20);
}

.service-card .cta-arrow {
    transition: transform 200ms ease;
}

.service-card:hover .cta-arrow {
    transform: translateX(4px);
}

/* --- Boutons --- */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 9999px;
    background-color: rgb(var(--couleur-primaire));
    color: #ffffff;
    font-weight: 600;
    box-shadow: 0 10px 25px -10px rgba(0, 100, 189, 0.55);
    transition: transform 150ms ease, background-color 150ms ease, box-shadow 200ms ease;
}

.btn-primary:hover {
    background-color: rgb(var(--couleur-primaire-hover));
    transform: translateY(-1px);
    box-shadow: 0 14px 30px -10px rgba(0, 100, 189, 0.7);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 9999px;
    background-color: rgb(var(--couleur-secondaire));
    color: #ffffff;
    font-weight: 600;
    box-shadow: 0 10px 25px -10px rgba(83, 164, 2, 0.55);
    transition: transform 150ms ease, background-color 150ms ease, box-shadow 200ms ease;
}

.btn-secondary:hover {
    background-color: rgb(var(--couleur-secondaire-hover));
    transform: translateY(-1px);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 9999px;
    background: #ffffff;
    color: rgb(var(--couleur-primaire));
    font-weight: 600;
    border: 1px solid rgba(var(--couleur-primaire), 0.22);
    transition: background 150ms ease, border-color 150ms ease;
}

.btn-ghost:hover {
    background: rgba(var(--couleur-primaire), 0.06);
    border-color: rgba(var(--couleur-primaire), 0.4);
}

/* --- Check list --- */
.check-list li {
    position: relative;
    padding-left: 32px;
    margin-bottom: 10px;
    color: #334155;
}

.check-list li::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    top: 2px;
    width: 22px;
    height: 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 9999px;
    background-color: rgba(var(--couleur-secondaire), 0.15);
    color: rgb(var(--couleur-secondaire-hover));
    font-size: 11px;
}

/* --- Note / encart --- */
.note {
    background: #ffffff;
    border-left: 4px solid rgb(var(--couleur-secondaire));
    border-radius: 10px;
    padding: 16px 20px;
    box-shadow: 0 4px 12px -6px rgba(0, 0, 0, 0.08);
}

/* --- Process steps --- */
.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 9999px;
    background-color: rgb(var(--couleur-primaire));
    color: #ffffff;
    font-weight: 700;
    font-size: 18px;
    box-shadow: 0 8px 20px -8px rgba(0, 100, 189, 0.4);
}

/* --- Accent couleur titre (au lieu d'un dégradé) --- */
.text-accent {
    color: rgb(var(--couleur-primaire));
}

.text-accent-green {
    color: rgb(var(--couleur-secondaire-hover));
}

/* --- Utilities --- */
.lift {
    transition: transform 200ms ease, box-shadow 200ms ease;
}

.lift:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 30px -16px rgba(0, 0, 0, 0.12);
}

.img-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.img-rounded {
    border-radius: 24px;
    box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.25);
}

/* --- FAQ --- */
details.faq-item {
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 14px;
    padding: 16px 20px;
    background: #ffffff;
    transition: border-color 150ms ease, box-shadow 150ms ease;
}

details.faq-item[open] {
    border-color: rgba(var(--couleur-primaire), 0.25);
    box-shadow: 0 10px 30px -15px rgba(0, 100, 189, 0.2);
}

details.faq-item summary {
    cursor: pointer;
    font-weight: 600;
    color: #0f172a;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

details.faq-item summary::-webkit-details-marker {
    display: none;
}

details.faq-item summary::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 12px;
    color: rgb(var(--couleur-primaire));
    transition: transform 200ms ease;
}

details.faq-item[open] summary::after {
    transform: rotate(180deg);
}

details.faq-item > *:not(summary) {
    margin-top: 12px;
    color: #475569;
}

/* --- Ticker / stats --- */
.stat-card {
    text-align: center;
    padding: 20px;
}

.stat-number {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 800;
    font-size: 2.5rem;
    color: rgb(var(--couleur-primaire));
    line-height: 1;
}

/* --- Decorative leaf pattern (SVG background) --- */
.leaf-bg {
    position: relative;
}

.leaf-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80' viewBox='0 0 80 80'%3E%3Cpath d='M20 40 Q 30 20 40 40 T 60 40' stroke='%2353a402' stroke-width='1' fill='none' opacity='0.08'/%3E%3C/svg%3E");
    opacity: 0.5;
    pointer-events: none;
}