:root {
    --green: #075b38;
    --green-2: #0c7a4a;
    --mint: #eaf7f1;
    --dark: #0d1713;
    --text: #17211d;
    --muted: #68736e;
    --border: #e5ece8;
    --shadow: 0 20px 60px rgba(8, 50, 31, .10)
}

* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--text);
    background: #fff;
    line-height: 1.5
}

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

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

.container {
    width: min(1180px, calc(100% - 32px));
    margin: auto
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 52px;
    padding: 0 22px;
    border-radius: 14px;
    font-weight: 800;
    transition: .2s;
    border: 1px solid transparent
}

.btn-primary {
    background: var(--green);
    color: #fff
}

.btn-primary:hover {
    background: var(--green-2);
    transform: translateY(-2px)
}

.btn-secondary {
    border-color: var(--border);
    background: #fff
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, .95);
    border-bottom: 1px solid var(--border)
}

.nav {
    height: 74px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px
}

.brand {
    font-weight: 900;
    font-size: 24px
}

.brand span {
    color: var(--green)
}

.nav-links {
    display: flex;
    gap: 28px;
    font-weight: 700;
    font-size: 14px
}

.hero {
    padding: 70px 0 44px;
    background: linear-gradient(180deg, #fff 0%, #f7fbf9 100%)
}

.hero-grid {
    display: grid;
    grid-template-columns:1.05fr .95fr;
    gap: 50px;
    align-items: center
}

.eyebrow {
    display: inline-flex;
    padding: 8px 12px;
    border-radius: 999px;
    background: var(--mint);
    color: var(--green);
    font-weight: 800;
    font-size: 13px;
    margin-bottom: 18px
}

h1 {
    margin: 0;
    font-size: clamp(42px, 6vw, 78px);
    line-height: .95;
    letter-spacing: -2.5px
}

h1 span {
    color: var(--green)
}

.hero p {
    font-size: 19px;
    color: var(--muted);
    margin: 24px 0 28px
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px
}

.hero-meta {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    margin-top: 30px;
    font-size: 14px;
    font-weight: 700
}

.hero-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 30px;
    overflow: hidden;
    box-shadow: var(--shadow)
}

.section {
    padding: 88px 0
}

.section-soft {
    background: #f7faf8
}

.section-head {
    max-width: 780px;
    margin: 0 auto 42px;
    text-align: center
}

.section-head h2 {
    margin: 0 0 14px;
    font-size: clamp(32px, 4vw, 52px)
}

.section-head p {
    margin: 0;
    color: var(--muted);
    font-size: 18px
}

.features {
    display: grid;
    grid-template-columns:repeat(4, 1fr);
    gap: 18px
}

.feature {
    padding: 26px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: #fff
}

.feature .icon {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    background: var(--mint);
    color: var(--green);
    font-size: 22px;
    margin-bottom: 18px
}

.feature h3 {
    margin: 0 0 8px
}

.feature p {
    margin: 0;
    color: var(--muted)
}

.product-gallery {
    display: grid;
    gap: 26px
}

.product-banner {
    margin: 0;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 22px;
    overflow: hidden;
    box-shadow: 0 14px 40px rgba(0, 0, 0, .05)
}

.product-banner img {
    width: 100%;
    height: auto
}

.gallery-cta {
    display: flex;
    justify-content: center;
    padding: 8px 0 4px
}

.spec-wrap {
    display: grid;
    grid-template-columns:1fr 1fr;
    gap: 30px
}

.spec-card, .use-card {
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 30px;
    background: #fff
}

.spec-row {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    padding: 15px 0;
    border-bottom: 1px solid var(--border)
}

.spec-row:last-child {
    border-bottom: 0
}

.spec-row span:first-child {
    color: var(--muted)
}

.chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px
}

.chip {
    padding: 10px 13px;
    border-radius: 999px;
    background: var(--mint);
    color: var(--green);
    font-weight: 800;
    font-size: 13px
}

.muted, .note {
    color: var(--muted)
}

.note {
    margin-top: 28px;
    font-size: 14px
}

.cta {
    background: var(--dark);
    color: #fff;
    border-radius: 32px;
    padding: 48px;
    display: grid;
    grid-template-columns:1fr auto;
    gap: 30px;
    align-items: center
}

.cta h2 {
    margin: 0 0 8px;
    font-size: clamp(30px, 4vw, 48px)
}

.cta p {
    margin: 0;
    color: #b8c4be
}

.wa-float {
    position: fixed;
    right: 18px;
    bottom: 18px;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: #25D366;
    color: #fff;
    font-size: 28px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, .2);
    z-index: 60
}

footer {
    padding: 35px 0;
    color: #748079;
    text-align: center;
    font-size: 14px
}

@media (max-width: 900px) {
    .hero-grid, .spec-wrap, .cta {
        grid-template-columns:1fr
    }

    .features {
        grid-template-columns:repeat(2, 1fr)
    }

    .nav-links {
        display: none
    }

    .hero {
        padding-top: 45px
    }

    .cta .btn {
        width: 100%
    }
}

@media (max-width: 600px) {
    .features {
        grid-template-columns:1fr
    }

    .hero-actions .btn {
        width: 100%
    }

    .section {
        padding: 64px 0
    }

    .cta {
        padding: 30px 24px
    }
}

/* =========================
   FAQ
========================= */

.faq {
    max-width: 980px;
    margin: 48px auto 0;
    display: grid;
    gap: 16px;
}

.faq details {
    background: #ffffff;
    border: 1px solid #e6e9ed;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.05);
    transition:
            border-color 0.25s ease,
            box-shadow 0.25s ease,
            transform 0.25s ease;
}

.faq details:hover {
    border-color: #cfd5dc;
    box-shadow: 0 12px 34px rgba(0, 0, 0, 0.08);
    transform: translateY(-1px);
}

.faq details[open] {
    border-color: #151a17;
    box-shadow: 0 14px 38px rgba(0, 0, 0, 0.08);
}

.faq summary {
    position: relative;
    cursor: pointer;
    list-style: none;

    padding: 22px 64px 22px 24px;

    font-size: 18px;
    font-weight: 700;
    line-height: 1.35;
    color: #171b18;

    user-select: none;
}

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

.faq summary::after {
    content: "+";
    position: absolute;
    top: 50%;
    right: 24px;
    transform: translateY(-50%);

    width: 34px;
    height: 34px;

    display: grid;
    place-items: center;

    border-radius: 50%;
    background: #f2f4f3;

    font-size: 24px;
    font-weight: 400;
    line-height: 1;
    color: #171b18;

    transition:
            transform 0.25s ease,
            background 0.25s ease;
}

.faq details[open] summary::after {
    content: "−";
    background: #171b18;
    color: #ffffff;
}

.faq details[open] summary {
    padding-bottom: 16px;
}

.faq details p {
    margin: 0;
    padding: 0 64px 24px 24px;

    color: #5c625f;
    font-size: 16px;
    line-height: 1.7;
}

/* Separador sutil al abrir */
.faq details[open] p {
    animation: faqFade 0.25s ease;
}

@keyframes faqFade {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }

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

@media (max-width: 768px) {
    .faq {
        margin-top: 32px;
        gap: 12px;
    }

    .faq summary {
        padding: 18px 56px 18px 18px;
        font-size: 16px;
    }

    .faq summary::after {
        right: 16px;
        width: 30px;
        height: 30px;
        font-size: 21px;
    }

    .faq details p {
        padding: 0 18px 20px;
        font-size: 15px;
    }
}