/* =============================================================
   KIT SERENO — Hoja de estilos global
   Cambia la identidad visual editando SOLO las variables :root.
   ============================================================= */

:root {
    /* Paleta cálida, suave, "sensorial" — sin saturación excesiva */
    --color-primary: #7C9885;      /* verde salvia */
    --color-primary-dark: #5F7D68;
    --color-secondary: #D9A066;    /* terracota suave */
    --color-background: #FBF8F3;   /* crema cálido */
    --color-surface: #FFFFFF;
    --color-text: #3A3630;
    --color-text-muted: #7A756C;
    --color-accent: #E8DCC8;       /* beige acento */
    --color-border: #EAE3D6;

    --font-heading: 'Georgia', 'Iowan Old Style', serif;
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 28px;

    --shadow-soft: 0 8px 30px rgba(58, 54, 48, 0.06);
    --shadow-hover: 0 12px 40px rgba(58, 54, 48, 0.10);

    --container-width: 1140px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-body);
    background: var(--color-background);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 400;
    line-height: 1.25;
    color: var(--color-text);
    margin: 0 0 0.5em;
}

h1 { font-size: clamp(2.2rem, 4vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: 1.3rem; }

p { margin: 0 0 1em; color: var(--color-text-muted); }

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

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

.ks-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Botones ---------- */
.ks-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 999px;
    border: none;
    font-size: 1rem;
    font-family: var(--font-body);
    cursor: pointer;
    transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
    min-height: 48px;
}
.ks-btn--primary {
    background: var(--color-primary);
    color: #fff;
}
.ks-btn--primary:hover { background: var(--color-primary-dark); transform: translateY(-1px); }
.ks-btn--secondary {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}
.ks-btn--secondary:hover { background: var(--color-accent); }
.ks-btn--block { width: 100%; }
.ks-btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }

/* ---------- Header ---------- */
.ks-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(251, 248, 243, 0.92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-border);
}
.ks-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
}
.ks-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    letter-spacing: .5px;
}
.ks-logo span { color: var(--color-primary); }

.ks-nav {
    display: flex;
    gap: 28px;
}
.ks-nav a { font-size: .95rem; color: var(--color-text); }
.ks-nav a:hover { color: var(--color-primary); }

.ks-header__actions { display: flex; align-items: center; gap: 16px; }
.ks-cart-link { font-size: 1.1rem; display: flex; align-items: center; gap: 6px; }
.ks-cart-count {
    background: var(--color-primary);
    color: #fff;
    border-radius: 999px;
    font-size: .75rem;
    padding: 2px 8px;
    min-width: 20px;
    text-align: center;
}

.ks-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}
.ks-hamburger span { width: 22px; height: 2px; background: var(--color-text); display: block; }

/* ---------- Hero ---------- */
.ks-hero {
    padding: 72px 0 96px;
}
.ks-hero__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
}
.ks-hero__eyebrow {
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: .8rem;
    color: var(--color-primary-dark);
    margin-bottom: 12px;
}
.ks-hero__actions { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 28px; }
.ks-hero__image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    aspect-ratio: 4/5;
    background: var(--color-accent);
}
.ks-placeholder-img {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    color: var(--color-text-muted);
    font-size: .85rem;
    text-align: center;
    padding: 24px;
}

/* ---------- Secciones generales ---------- */
.ks-section { padding: 72px 0; }
.ks-section--alt { background: var(--color-surface); }
.ks-section__head { max-width: 640px; margin: 0 auto 48px; text-align: center; }

/* ---------- Sentidos ---------- */
.ks-senses-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}
.ks-sense-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 28px 20px;
    text-align: center;
    transition: box-shadow .2s ease, transform .2s ease;
}
.ks-sense-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.ks-sense-card__icon { font-size: 2rem; margin-bottom: 12px; }

/* ---------- Tarjetas "qué incluye" ---------- */
.ks-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.ks-card {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}
.ks-card__img { aspect-ratio: 4/3; background: var(--color-accent); }
.ks-card__body { padding: 20px; }

/* ---------- Beneficios ---------- */
.ks-benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.ks-benefit {
    padding: 24px;
    border-left: 3px solid var(--color-primary);
}

/* ---------- Testimonios ---------- */
.ks-testimonial {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    padding: 28px;
    box-shadow: var(--shadow-soft);
}
.ks-testimonial__badge {
    display: inline-block;
    font-size: .75rem;
    color: var(--color-text-muted);
    background: var(--color-accent);
    padding: 3px 10px;
    border-radius: 999px;
    margin-top: 12px;
}
.ks-testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

/* ---------- FAQ ---------- */
.ks-faq-item {
    border-bottom: 1px solid var(--color-border);
    padding: 18px 0;
}
.ks-faq-item summary {
    cursor: pointer;
    font-family: var(--font-heading);
    font-size: 1.05rem;
    list-style: none;
}
.ks-faq-item summary::-webkit-details-marker { display: none; }
.ks-faq-item p { margin-top: 10px; }

/* ---------- CTA final ---------- */
.ks-cta-final {
    background: var(--color-primary);
    color: #fff;
    border-radius: var(--radius-lg);
    padding: 64px 32px;
    text-align: center;
    margin: 0 24px;
}
.ks-cta-final h2, .ks-cta-final p { color: #fff; }
.ks-cta-final .ks-btn--primary { background: #fff; color: var(--color-primary-dark); }
.ks-cta-final .ks-btn--primary:hover { background: var(--color-accent); }

/* ---------- Producto / personalización ---------- */
.ks-product {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: start;
}
.ks-product__gallery {
    position: sticky;
    top: 100px;
}
.ks-product__price {
    font-size: 1.4rem;
    color: var(--color-primary-dark);
    margin-bottom: 24px;
}

.ks-option-group {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-bottom: 20px;
    background: var(--color-surface);
}
.ks-option-group h3 { margin-bottom: 4px; }
.ks-option-group__required { font-size: .78rem; color: var(--color-secondary); text-transform: uppercase; letter-spacing: .5px; }

.ks-option-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    border-top: 1px solid var(--color-border);
}
.ks-option-row:first-of-type { border-top: none; }
.ks-option-row label { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.ks-option-row__price { color: var(--color-text-muted); font-size: .85rem; }

.ks-qty-control {
    display: flex;
    align-items: center;
    gap: 10px;
}
.ks-qty-control button {
    width: 32px; height: 32px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    background: #fff;
    font-size: 1rem;
    cursor: pointer;
}
.ks-qty-control button:hover { background: var(--color-accent); }
.ks-qty-fixed-note { font-size: .75rem; color: var(--color-text-muted); }

.ks-file-drop {
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-md);
    padding: 24px;
    text-align: center;
}

.ks-summary-box {
    position: sticky;
    top: 100px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-top: 24px;
}
.ks-summary-row {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    font-size: .95rem;
}
.ks-summary-row--total {
    font-size: 1.15rem;
    border-top: 1px solid var(--color-border);
    margin-top: 8px;
    padding-top: 14px;
}

/* ---------- Carrito ---------- */
.ks-cart-item {
    display: flex;
    gap: 20px;
    padding: 24px 0;
    border-bottom: 1px solid var(--color-border);
}
.ks-cart-item__thumb {
    width: 100px; height: 100px;
    border-radius: var(--radius-sm);
    background: var(--color-accent);
    flex-shrink: 0;
}
.ks-empty-state { text-align: center; padding: 64px 24px; }

/* ---------- Formularios (checkout, contacto) ---------- */
.ks-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.ks-field { margin-bottom: 16px; display: flex; flex-direction: column; gap: 6px; }
.ks-field label { font-size: .85rem; color: var(--color-text-muted); }
.ks-field input, .ks-field select, .ks-field textarea {
    padding: 13px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: var(--font-body);
    background: #fff;
    min-height: 48px;
}
.ks-field textarea { min-height: 120px; resize: vertical; }
.ks-field--error input, .ks-field--error select, .ks-field--error textarea { border-color: #C0553B; }
.ks-field__error { color: #C0553B; font-size: .8rem; }
.ks-alert {
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    margin-bottom: 24px;
    font-size: .95rem;
}
.ks-alert--error { background: #FBE9E5; color: #8A3A26; }
.ks-alert--success { background: #E9F1E9; color: var(--color-primary-dark); }
.ks-alert--info { background: var(--color-accent); color: var(--color-text); }

/* ---------- Footer ---------- */
.ks-footer { background: var(--color-surface); border-top: 1px solid var(--color-border); margin-top: 64px; }
.ks-footer__inner {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr 1fr 1fr;
    gap: 32px;
    padding: 56px 0 32px;
}
.ks-footer__col { display: flex; flex-direction: column; gap: 10px; font-size: .9rem; }
.ks-footer__col h4 { font-size: .85rem; text-transform: uppercase; letter-spacing: .5px; color: var(--color-text-muted); }
.ks-footer__col a { color: var(--color-text-muted); }
.ks-footer__col a:hover { color: var(--color-primary); }
.ks-footer__bottom {
    border-top: 1px solid var(--color-border);
    padding: 20px 0;
    font-size: .8rem;
    color: var(--color-text-muted);
}

.ks-whatsapp-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px; height: 56px;
    border-radius: 50%;
    background: #25D366;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-hover);
    z-index: 40;
}

/* ---------- Admin ---------- */
.ks-admin-body { background: var(--color-background); }
.ks-admin-login {
    max-width: 380px;
    margin: 120px auto;
    background: var(--color-surface);
    padding: 40px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
}
.ks-admin-table { width: 100%; border-collapse: collapse; background: var(--color-surface); border-radius: var(--radius-md); overflow: hidden; }
.ks-admin-table th, .ks-admin-table td { padding: 12px 16px; border-bottom: 1px solid var(--color-border); text-align: left; font-size: .9rem; }
.ks-admin-table th { background: var(--color-accent); }
.ks-badge { padding: 3px 10px; border-radius: 999px; font-size: .75rem; }
.ks-badge--pendiente { background: #FBE9E5; color: #8A3A26; }
.ks-badge--pagado { background: #E9F1E9; color: var(--color-primary-dark); }
.ks-badge--procesando { background: #FDF3D9; color: #8A6D1D; }
.ks-badge--enviado { background: #E1EEF7; color: #2B5A79; }
.ks-badge--entregado { background: #E9F1E9; color: var(--color-primary-dark); }
.ks-badge--cancelado { background: #F0F0F0; color: #6B6B6B; }

/* =============================================================
   RESPONSIVE — mobile-first para la experiencia de compra
   ============================================================= */
@media (max-width: 900px) {
    .ks-hero__inner, .ks-product { grid-template-columns: 1fr; }
    .ks-product__gallery, .ks-summary-box { position: static; }
    .ks-senses-grid { grid-template-columns: repeat(2, 1fr); }
    .ks-cards-grid, .ks-benefits-grid, .ks-testimonials-grid { grid-template-columns: 1fr; }
    .ks-footer__inner { grid-template-columns: 1fr 1fr; }
    .ks-form-grid { grid-template-columns: 1fr; }

    .ks-nav {
        display: none;
        position: absolute;
        top: 76px; left: 0; right: 0;
        background: var(--color-surface);
        flex-direction: column;
        padding: 16px 24px;
        border-bottom: 1px solid var(--color-border);
    }
    .ks-nav.is-open { display: flex; }
    .ks-hamburger { display: flex; }
}

@media (max-width: 600px) {
    .ks-senses-grid { grid-template-columns: repeat(2, 1fr); }
    .ks-footer__inner { grid-template-columns: 1fr; }
    .ks-hero { padding: 40px 0 64px; }
    .ks-cta-final { margin: 0 12px; padding: 48px 20px; }
}