/* ============================================================
   Q2 WhatsApp · Landing page
   Self-contained stylesheet (no dependency on tiendanube/app.css)
   ============================================================ */

:root {
    --indigo-600: #4f46e5;
    --indigo-700: #4338ca;
    --indigo-500: #6366f1;
    --indigo-50: #eef2ff;
    --indigo-100: #e0e7ff;
    --green-wa: #25d366;
    --green-wa-dark: #128c7e;
    --gray-900: #111827;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-500: #6b7280;
    --gray-300: #d1d5db;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --gray-50: #f9fafb;
    --white: #ffffff;
    --radius: 14px;
    --radius-sm: 10px;
    --shadow-sm: 0 1px 2px rgba(17, 24, 39, .06);
    --shadow-md: 0 8px 24px rgba(17, 24, 39, .08);
    --shadow-lg: 0 20px 48px rgba(79, 70, 229, .18);
    --max-w: 1120px;
    --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: 84px;
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
}

body {
    margin: 0;
    font-family: var(--font);
    color: var(--gray-700);
    background: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { color: var(--gray-900); line-height: 1.2; margin: 0 0 12px; }
p { margin: 0 0 16px; }
a { color: var(--indigo-600); text-decoration: none; }
a:hover { text-decoration: underline; }

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

/* Skip link (accesibilidad) */
.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 100;
    background: var(--indigo-600);
    color: var(--white);
    padding: 10px 18px;
    border-radius: 0 0 var(--radius-sm) 0;
    font-weight: 600;
}

.skip-link:focus {
    left: 0;
    text-decoration: none;
}

/* SVG sprite + icons */
.svg-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

.icon {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
    flex-shrink: 0;
}

.icon.lg { width: 26px; height: 26px; }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 26px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    transition: background-color .15s ease, box-shadow .15s ease, transform .15s ease;
    white-space: nowrap;
}

.btn:hover { text-decoration: none; transform: translateY(-1px); }

.btn-primary {
    background: var(--indigo-600);
    color: var(--white);
    box-shadow: 0 6px 18px rgba(79, 70, 229, .35);
}

.btn-primary:hover { background: var(--indigo-700); }

.btn-secondary {
    background: var(--white);
    color: var(--indigo-600);
    border-color: var(--indigo-100);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover { background: var(--indigo-50); }

.btn-ghost {
    background: transparent;
    color: var(--gray-700);
    padding: 10px 18px;
}

.btn-ghost:hover { color: var(--indigo-600); }

/* ============================================================
   Header / nav
   ============================================================ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-100);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    height: 68px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--gray-900);
}

.brand:hover { text-decoration: none; }

.brand-mark {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--indigo-500), var(--indigo-700));
    color: var(--white);
    display: grid;
    place-items: center;
}

/* Logo Q2bot (imagen circular) en lugar del ícono */
.brand-mark.has-logo { background: none; border-radius: 50%; overflow: hidden; }
.brand-mark.has-logo img { width: 100%; height: 100%; display: block; }

.brand-text strong { display: block; font-size: 15px; line-height: 1.1; }
.brand-text span { display: block; font-size: 12px; color: var(--gray-500); }

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links a {
    display: block;
    padding: 8px 14px;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-600);
    border-radius: 8px;
}

.nav-links a:hover { color: var(--indigo-600); background: var(--indigo-50); text-decoration: none; }

.nav-cta { display: flex; align-items: center; gap: 8px; }

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--gray-700);
    padding: 8px;
    cursor: pointer;
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
    background:
        radial-gradient(1000px 460px at 85% -10%, var(--indigo-100), transparent 65%),
        radial-gradient(700px 380px at -5% 20%, #ecfdf5, transparent 60%),
        var(--white);
    padding: 76px 0 88px;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 56px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--indigo-50);
    color: var(--indigo-700);
    border: 1px solid var(--indigo-100);
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: clamp(32px, 4.5vw, 46px);
    letter-spacing: -.02em;
    margin-bottom: 18px;
}

.hero h1 .accent { color: var(--indigo-600); }

.hero-sub {
    font-size: 18px;
    color: var(--gray-600);
    max-width: 520px;
    margin-bottom: 28px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 22px;
}

.hero-notes {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    font-size: 13px;
    color: var(--gray-500);
}

.hero-notes span { display: inline-flex; align-items: center; gap: 6px; }
.hero-notes .icon { width: 16px; height: 16px; color: var(--green-wa-dark); }

/* Chat mockup */
.phone-mock {
    justify-self: center;
    width: min(360px, 100%);
    background: #e5ddd5;
    border-radius: 28px;
    border: 10px solid var(--gray-900);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.phone-head {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--green-wa-dark);
    color: var(--white);
    padding: 12px 16px;
}

.phone-head .avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--white);
    color: var(--green-wa-dark);
    display: grid;
    place-items: center;
    font-weight: 700;
    font-size: 13px;
}

.phone-head strong { display: block; font-size: 14px; line-height: 1.2; }
.phone-head span { display: block; font-size: 11px; opacity: .85; }

.phone-body {
    padding: 18px 14px 22px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-height: 320px;
    background:
        linear-gradient(rgba(229, 221, 213, .88), rgba(229, 221, 213, .88)),
        repeating-linear-gradient(45deg, #d9d1c7 0 2px, transparent 2px 14px);
}

.bubble {
    max-width: 86%;
    background: var(--white);
    border-radius: 12px;
    border-top-left-radius: 4px;
    padding: 10px 12px;
    font-size: 13px;
    color: var(--gray-700);
    box-shadow: var(--shadow-sm);
}

.bubble strong { color: var(--gray-900); }

.bubble .time {
    display: block;
    text-align: right;
    font-size: 10px;
    color: var(--gray-500);
    margin-top: 4px;
}

.bubble.out {
    align-self: flex-end;
    background: #d9fdd3;
    border-top-left-radius: 12px;
    border-top-right-radius: 4px;
}

/* ============================================================
   Sections
   ============================================================ */
.section { padding: 80px 0; }
.section.alt { background: var(--gray-50); }

.section-head {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 52px;
}

.section-head .kicker {
    display: inline-block;
    color: var(--indigo-600);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    margin-bottom: 10px;
}

.section-head h2 { font-size: clamp(26px, 3.4vw, 34px); letter-spacing: -.01em; }
.section-head p { color: var(--gray-600); font-size: 16px; margin: 0; }

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.feature-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 26px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow .15s ease, transform .15s ease;
}

.feature-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.feature-icon {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: var(--indigo-50);
    color: var(--indigo-600);
    display: grid;
    place-items: center;
    margin-bottom: 16px;
}

.feature-card h3 { font-size: 17px; margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--gray-600); margin: 0; }

/* Steps */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
    counter-reset: step;
}

.step-card {
    position: relative;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 28px 26px;
    box-shadow: var(--shadow-sm);
}

.step-num {
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--indigo-600);
    color: var(--white);
    font-weight: 700;
    font-size: 16px;
    margin-bottom: 16px;
}

.step-card h3 { font-size: 17px; }
.step-card p { font-size: 14px; color: var(--gray-600); margin: 0; }

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 380px));
    justify-content: center;
    gap: 24px;
}

.pricing-grid.single { grid-template-columns: minmax(0, 460px); }

.price-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 32px 28px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
}

.price-card.featured {
    border-color: var(--indigo-500);
    box-shadow: var(--shadow-lg);
    position: relative;
}

.price-card .plan-tag {
    position: absolute;
    top: -13px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--indigo-600);
    color: var(--white);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 999px;
    white-space: nowrap;
}

.price-card h3 { font-size: 19px; }

.price-card .price {
    font-size: 38px;
    font-weight: 800;
    color: var(--gray-900);
    margin: 10px 0 2px;
}

.price-card .price small { font-size: 14px; font-weight: 500; color: var(--gray-500); }

.price-card .plan-desc { font-size: 14px; color: var(--gray-600); margin-bottom: 18px; }

.price-card ul {
    list-style: none;
    margin: 0 0 24px;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}

.price-card li {
    display: flex;
    align-items: flex-start;
    gap: 9px;
    font-size: 14px;
    color: var(--gray-700);
}

.price-card li .icon { width: 17px; height: 17px; color: var(--green-wa-dark); margin-top: 3px; }

.price-card .btn + .btn { margin-top: 12px; }

.price-card .plan-note {
    margin: 12px 0 0;
    text-align: center;
    font-size: 12px;
    color: var(--gray-500);
}

.pricing-callout {
    display: flex;
    gap: 18px;
    align-items: flex-start;
    max-width: 720px;
    margin: 32px auto 0;
    background: var(--indigo-50);
    border: 1px solid var(--indigo-100);
    border-radius: var(--radius);
    padding: 24px 26px;
}

.pricing-callout .feature-icon { margin: 0; flex-shrink: 0; background: var(--white); }
.pricing-callout h3 { font-size: 16px; margin-bottom: 6px; }
.pricing-callout p { font-size: 14px; color: var(--gray-600); margin: 0; }

/* Trust */
.trust-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.trust-card {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

.trust-card .feature-icon { margin: 0; flex-shrink: 0; }
.trust-card h3 { font-size: 16px; margin-bottom: 6px; }
.trust-card p { font-size: 14px; color: var(--gray-600); margin: 0; }

/* FAQ */
.faq-list {
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
}

.faq-item summary {
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 20px;
    font-size: 15px;
    font-weight: 600;
    color: var(--gray-900);
}

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

.faq-item summary::after {
    content: "+";
    font-size: 20px;
    font-weight: 500;
    color: var(--indigo-600);
    line-height: 1;
    transition: transform .2s ease;
}

.faq-item[open] summary::after { transform: rotate(45deg); }

.faq-item p {
    margin: 0;
    padding: 0 20px 18px;
    font-size: 14px;
    color: var(--gray-600);
}

/* Final CTA */
.cta-final {
    background: linear-gradient(135deg, var(--indigo-600), var(--indigo-700));
    border-radius: 20px;
    padding: 56px 40px;
    text-align: center;
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

.cta-final h2 { color: var(--white); font-size: clamp(24px, 3vw, 32px); margin-bottom: 12px; }
.cta-final p { color: var(--indigo-100); font-size: 16px; max-width: 520px; margin: 0 auto 28px; }

.cta-final .btn-primary {
    background: var(--white);
    color: var(--indigo-700);
    box-shadow: 0 8px 22px rgba(17, 24, 39, .25);
}

.cta-final .btn-primary:hover { background: var(--indigo-50); }

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
    border-top: 1px solid var(--gray-100);
    background: var(--gray-50);
    padding: 40px 0 32px;
    margin-top: 80px;
}

.footer-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-start;
    gap: 24px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 22px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-links a { font-size: 14px; color: var(--gray-600); }
.footer-links a:hover { color: var(--indigo-600); }

.footer-copy { font-size: 13px; color: var(--gray-500); margin: 18px 0 0; }

/* ============================================================
   Floating WhatsApp bubble
   ============================================================ */
.wa-fab {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 60;
    display: flex;
    align-items: center;
    gap: 0;
    background: var(--green-wa);
    color: var(--white);
    border-radius: 999px;
    padding: 15px;
    box-shadow: 0 8px 24px rgba(18, 140, 126, .4);
    transition: background-color .15s ease, transform .15s ease, box-shadow .15s ease;
}

.wa-fab:hover {
    background: var(--green-wa-dark);
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(18, 140, 126, .5);
    text-decoration: none;
}

.wa-fab .icon.lg { width: 28px; height: 28px; }

/* Glifo oficial de WhatsApp: relleno sólido, sin trazo */
.wa-fab .wa-glyph {
    fill: currentColor;
    stroke: none;
    width: 30px;
    height: 30px;
}

.wa-fab-label {
    max-width: 0;
    overflow: hidden;
    white-space: nowrap;
    font-size: 14px;
    font-weight: 600;
    transition: max-width .25s ease, margin-left .25s ease;
}

.wa-fab:hover .wa-fab-label,
.wa-fab:focus-visible .wa-fab-label {
    max-width: 120px;
    margin-left: 10px;
}

@media (max-width: 720px) {
    .wa-fab { right: 16px; bottom: 16px; }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 960px) {
    .hero-grid { grid-template-columns: 1fr; gap: 44px; }
    .hero { padding: 56px 0 64px; }
    .features-grid, .steps-grid, .trust-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
    .nav-links, .nav-cta .btn-secondary { display: none; }

    .nav-toggle { display: inline-flex; }

    .nav-links.open {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        position: absolute;
        top: 68px;
        left: 0;
        right: 0;
        background: var(--white);
        border-bottom: 1px solid var(--gray-200);
        box-shadow: var(--shadow-md);
        padding: 12px 24px 18px;
        gap: 2px;
    }

    .features-grid, .steps-grid, .trust-grid, .pricing-grid { grid-template-columns: 1fr; }

    .section { padding: 60px 0; }

    .cta-final { padding: 44px 24px; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }

    body { overflow-x: hidden; }

    h1, h2, h3 { overflow-wrap: anywhere; }

    .btn {
        white-space: normal;
        padding: 12px 20px;
        font-size: 14px;
    }

    .hero { padding: 40px 0 48px; }
    .hero-grid { gap: 32px; }
    .hero-sub { font-size: 16px; }
    .hero-actions .btn { width: 100%; }

    .phone-mock { border-width: 6px; border-radius: 22px; }

    .section { padding: 44px 0; }
    .section-head { margin-bottom: 36px; }

    .cta-final { padding: 32px 18px; border-radius: 16px; }
    .cta-final .btn { width: 100%; }

    .faq-item summary { padding: 14px 16px; font-size: 14px; }
    .faq-item p { padding: 0 16px 16px; }

    .footer-grid { flex-direction: column; }
}

/* ============================================================
   Mockups de producto (Botón WhatsApp / Catálogo para anuncios)
   ============================================================ */
.app-shot {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 18px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.app-shot-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-500);
}

.app-shot-bar .dots { display: flex; gap: 5px; flex-shrink: 0; }
.app-shot-bar .dots span { width: 9px; height: 9px; border-radius: 50%; background: var(--gray-200); }

.app-shot-body { padding: 18px; display: grid; gap: 12px; }

.shot-badge {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 12px;
    font-weight: 600;
    color: #047857;
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
    border-radius: 999px;
    padding: 4px 12px;
    width: max-content;
}

.shot-badge::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #10b981; }

.shot-field label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: var(--gray-500);
    margin-bottom: 4px;
}

.shot-input {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    border: 1px solid var(--gray-200);
    border-radius: 10px;
    padding: 8px 12px;
    background: var(--white);
}

.shot-input code {
    font-size: 11px;
    color: var(--gray-600);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.shot-input .copy {
    flex-shrink: 0;
    font-size: 11px;
    font-weight: 600;
    color: var(--indigo-600);
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    padding: 3px 9px;
}

.shot-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }

.shot-stat {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    padding: 10px 12px;
    min-width: 0;
}

.shot-stat span {
    display: block;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: .04em;
    text-transform: uppercase;
    color: var(--gray-500);
    margin-bottom: 2px;
}

.shot-stat strong { font-size: 14px; color: var(--gray-900); }

/* Mockup de tienda con botón flotante */
.store-mock { position: relative; }

.store-sk { display: grid; grid-template-columns: 1fr 1.2fr; gap: 14px; align-items: start; }

.sk-img {
    height: 116px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--gray-50), var(--gray-200));
}

.sk-line { height: 10px; border-radius: 6px; background: var(--gray-200); margin-bottom: 8px; }
.sk-line.w40 { width: 40%; }
.sk-line.w60 { width: 60%; }
.sk-line.w80 { width: 80%; }
.sk-price { height: 16px; width: 35%; border-radius: 6px; background: var(--indigo-100); margin: 12px 0; }

.shot-wa-pill {
    position: absolute;
    right: 12px;
    bottom: 10px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #25d366;
    color: var(--white);
    font-size: 13px;
    font-weight: 700;
    padding: 9px 14px;
    border-radius: 999px;
    box-shadow: var(--shadow-md);
}

.shot-wa-pill .icon { fill: currentColor; stroke: none; width: 18px; height: 18px; }

.shot-bars { display: flex; align-items: flex-end; gap: 6px; height: 56px; }
.shot-bars i { flex: 1; background: #25d366; border-radius: 4px 4px 0 0; opacity: .85; }

@media (max-width: 480px) {
    .shot-stats { grid-template-columns: 1fr 1fr; }
    .store-sk { grid-template-columns: 1fr; }
}