:root {
    --bg-dark: #040b1a;
    --bg-light: #07112a;
    --primary: #1d9bf0;
    --primary-strong: #0f6bc1;
    --secondary: #0ce6f2;
    --text: #f1f5f9;
    --muted: #8ea2c6;
    --surface: rgba(12, 27, 56, 0.6);
    --surface-strong: rgba(12, 27, 56, 0.8);
    --border: rgba(148, 187, 233, 0.18);
}

*, *::before, *::after {
    box-sizing: border-box;
}

html, body {
    height: 100%;
}

body {
    margin: 0;
    font-family: 'Poppins', system-ui, sans-serif;
    background: radial-gradient(1200px 700px at 0% 0%, rgba(15, 118, 225, 0.18), transparent 65%),
                radial-gradient(900px 600px at 95% 10%, rgba(12, 230, 242, 0.14), transparent 70%),
                linear-gradient(160deg, var(--bg-dark), var(--bg-light));
    color: var(--text);
}

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

.landing-container {
    max-width: 1220px;
    margin: 0 auto;
    padding: 0 28px;
}

.landing-main {
    display: flex;
    flex-direction: column;
    gap: 80px;
    padding-bottom: 80px;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 28px 0 12px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 16px;
}

.brand img {
    width: 58px;
    height: auto;
    border-radius: 14px;
    box-shadow: 12px 11px 35px 12px rgba(30, 155, 238, 0.35);
}

.brand span {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted);
}

.nav-links {
    display: flex;
    gap: 14px;
    align-items: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text);
    font-weight: 500;
    transition: all 0.2s ease;
}

.btn:hover {
    border-color: rgba(29,155,240,0.35);
    background: rgba(13, 38, 68, 0.6);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    color: #020617;
    box-shadow: 0 16px 40px rgba(29,155,240,0.35);
}

.btn-primary:hover {
    filter: brightness(1.05);
}

.hero {
    padding: 60px 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    font-size: clamp(36px, 5vw, 62px);
    line-height: 1.05;
    margin: 0 0 16px;
}

.hero-content h1 span {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-content p {
    margin: 0 0 26px;
    font-size: 18px;
    line-height: 1.6;
    color: var(--muted);
}

.hero-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 26px;
    box-shadow: 0 35px 60px rgba(7,17,42,0.35);
}

.hero-card h2 {
    margin: 0 0 12px;
    font-size: 24px;
}

.hero-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 12px;
    color: var(--muted);
}

.hero-card li {
    display: flex;
    align-items: baseline;
    gap: 12px;
}

.hero-card li::before {
    content: "•";
    color: var(--secondary);
    font-size: 24px;
    line-height: 1;
}

.section-title {
    margin: 0 0 28px;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 15px;
    color: var(--muted);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}

.feature-box {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 22px;
    backdrop-filter: blur(14px);
}

.feature-box h3 {
    margin: 0 0 10px;
    font-size: 20px;
}

.feature-box p {
    margin: 0;
    color: var(--muted);
    line-height: 1.55;
}

.plans {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.plan-card {
    background: var(--surface-strong);
    border: 1px solid rgba(29,155,240,0.25);
    border-radius: 22px;
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: relative;
    overflow: hidden;
}

.plan-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(260px at 80% 0%, rgba(29,155,240,0.35), transparent 65%);
    pointer-events: none;
}

.plan-tag {
    font-size: 13px;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(12,230,242,0.18);
    color: var(--secondary);
    width: fit-content;
}

.plan-price {
    font-size: 32px;
    font-weight: 700;
}

.plan-price span {
    font-size: 14px;
    font-weight: 400;
    color: var(--muted);
}

.plan-features {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 12px;
    color: var(--muted);
}

.plan-features li {
    display: flex;
    gap: 10px;
    align-items: center;
}

.plan-features li::before {
    content: "✔";
    color: var(--secondary);
    font-weight: 600;
}

.plans-empty {
    color: var(--muted);
}

.cta-section {
    background: linear-gradient(135deg, rgba(12, 27, 56, 0.72), rgba(4, 11, 26, 0.9));
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 26px;
    padding: 40px 36px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.cta-section h2 {
    margin: 0 0 6px;
    font-size: 28px;
}

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

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

.plans-hero {
    padding: 60px 0 20px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 48px;
    align-items: center;
}

.plans-hero-copy h1 {
    margin: 12px 0;
    font-size: clamp(34px, 4.5vw, 56px);
    line-height: 1.08;
}

.plans-hero-copy p {
    margin: 0 0 26px;
    color: var(--muted);
    line-height: 1.65;
}

.plans-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 14px;
    letter-spacing: 0.08em;
    background: rgba(12, 230, 242, 0.15);
    color: var(--secondary);
    text-transform: uppercase;
}

.plans-cta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.plans-hero-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 28px;
    box-shadow: 0 32px 64px rgba(7, 17, 42, 0.35);
}

.plans-hero-card h2 {
    margin: 0 0 12px;
    font-size: 26px;
}

.plans-hero-card ul {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 12px;
    color: var(--muted);
}

.plans-hero-card li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.plans-hero-card li::before {
    content: "•";
    color: var(--secondary);
    font-size: 24px;
    line-height: 1;
}

.plans-summary {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
}

.plans-summary-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 26px;
}

.plans-summary-card h3 {
    margin: 0 0 12px;
    font-size: 20px;
}

.plans-summary-card ul {
    margin: 0;
    padding-left: 18px;
    color: var(--muted);
    line-height: 1.55;
}

.plans-summary-card li {
    margin-bottom: 8px;
}

.plans-summary-card li:last-child {
    margin-bottom: 0;
}

.contact-hero {
    padding: 60px 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 48px;
    align-items: flex-start;
}

.contact-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 14px;
    letter-spacing: 0.08em;
    background: rgba(12, 230, 242, 0.15);
    color: var(--secondary);
    text-transform: uppercase;
}

.contact-hero h1 {
    margin: 16px 0;
    font-size: clamp(34px, 4.5vw, 56px);
    line-height: 1.08;
}

.contact-hero p {
    margin: 0 0 26px;
    color: var(--muted);
    line-height: 1.65;
}

.contact-cards {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.contact-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 22px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-card h3 {
    margin: 0;
    font-size: 18px;
}

.contact-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.5;
}

.contact-form-wrapper {
    background: var(--surface-strong);
    border: 1px solid rgba(29,155,240,0.25);
    border-radius: 24px;
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-form-wrapper h2 {
    margin: 0;
    font-size: 24px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.contact-grid-full {
    grid-column: 1 / -1;
}

.contact-grid label {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 14px;
    color: var(--muted);
}

.contact-grid input,
.contact-grid textarea {
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(4, 11, 26, 0.4);
    color: var(--text);
    padding: 12px 14px;
    font-family: inherit;
    font-size: 15px;
    transition: border 0.2s ease, box-shadow 0.2s ease;
}

.contact-grid input:focus,
.contact-grid textarea:focus {
    outline: none;
    border-color: rgba(29,155,240,0.45);
    box-shadow: 0 0 0 3px rgba(29,155,240,0.18);
}

.contact-submit {
    align-self: flex-start;
}

.contact-privacy {
    margin: 0;
    font-size: 13px;
    color: var(--muted);
}

.contact-alert {
    border-radius: 12px;
    padding: 14px 16px;
    font-size: 14px;
    line-height: 1.5;
}

.contact-alert ul {
    margin: 8px 0 0 16px;
    padding: 0;
}

.contact-alert-success {
    background: rgba(12, 230, 242, 0.12);
    border: 1px solid rgba(12, 230, 242, 0.3);
    color: var(--secondary);
}

.contact-alert-error {
    background: rgba(244, 63, 94, 0.12);
    border: 1px solid rgba(244, 63, 94, 0.24);
    color: #f87171;
}

.contact-support {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
    margin-bottom: 40px;
}

.contact-support-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 26px;
}

.contact-support-card h3 {
    margin: 0 0 12px;
    font-size: 20px;
}

.contact-support-card ul {
    margin: 0;
    padding-left: 18px;
    color: var(--muted);
    line-height: 1.55;
}

.contact-support-card li {
    margin-bottom: 8px;
}

.contact-support-card li:last-child {
    margin-bottom: 0;
}

.footer {
    padding: 32px 0 48px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--muted);
    font-size: 14px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
}

.footer a {
    color: var(--secondary);
}

@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-card {
        margin: 0 auto;
        max-width: 520px;
    }

    .features-grid,
    .plans {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .plans-hero {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .plans-hero-card {
        max-width: 520px;
        margin: 0 auto;
        text-align: left;
    }

    .plans-summary {
        grid-template-columns: 1fr;
    }

    .contact-hero {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .contact-cards {
        grid-template-columns: 1fr;
    }

    .contact-form-wrapper {
        max-width: 560px;
        margin: 0 auto;
        text-align: left;
    }

    .contact-support {
        grid-template-columns: 1fr;
    }

    .cta-section {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 720px) {
    .features-grid,
    .plans {
        grid-template-columns: 1fr;
    }

    .nav-links {
        display: none;
    }

    .plans-hero {
        text-align: center;
    }

    .plans-hero-card {
        text-align: left;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .contact-submit {
        width: 100%;
        justify-content: center;
    }
}

/* Botón flotante de WhatsApp (Landing) */
.floating-whatsapp {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 9999;
    display: inline-flex;
    align-items: center;
    padding: 12px 16px;
    border-radius: 999px;
    background: #35b565;
    color: #fff;
    box-shadow: 0 8px 24px rgba(0,0,0,0.25);
    border: none;
}
.floating-whatsapp:hover { filter: brightness(1.05); }

@media (max-width: 480px) {
    .floating-whatsapp { padding: 10px 12px; right: 16px; bottom: 16px; }
}