:root {
    --primary-dark: #0A2A6A;
    --primary: #0079FF;
    --accent: #00D4FF;
    --bg-light: #F4F7FB;
    --bg-white: #FFFFFF;
    --text-dark: #0A1A2F;
    --text-muted: #5B6476;
    --shadow-soft: 0 18px 45px rgba(10, 26, 47, 0.18);
    --radius-lg: 18px;
    --radius-pill: 999px;
    --transition-fast: 0.25s ease;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
}

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

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

/* Layout base */
.container {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

header {
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(16px);
    background: rgba(244, 247, 251, 0.85);
    border-bottom: 1px solid rgba(10, 42, 106, 0.06);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0;
    gap: 1rem;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo {
    width: 46px;
    height: 46px;
}

.brand-title {
    font-weight: 700;
    letter-spacing: 0.14em;
    font-size: 0.75rem;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    gap: 1.2rem;
    align-items: center;
    font-size: 0.9rem;
}

.nav-links a {
    position: relative;
    padding-bottom: 0.15rem;
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--accent), var(--primary));
    transition: width var(--transition-fast);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.lang-switch {
    display: inline-flex;
    padding: 0.15rem;
    border-radius: var(--radius-pill);
    background: rgba(10, 42, 106, 0.06);
}

.lang-btn {
    border: none;
    background: transparent;
    padding: 0.25rem 0.7rem;
    font-size: 0.8rem;
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast);
}

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

.nav-cta {
    display: none;
}

@media (min-width: 768px) {
    .nav-cta {
        display: inline-flex;
        padding: 0.4rem 0.95rem;
        border-radius: var(--radius-pill);
        background: #fff;
        color: var(--primary-dark);
        font-size: 0.8rem;
        border: 1px solid rgba(0, 121, 255, 0.24);
        box-shadow: 0 10px 25px rgba(10, 26, 47, 0.09);
        cursor: pointer;
        align-items: center;
        gap: 0.3rem;
    }

    .nav-cta span {
        font-size: 1.1rem;
    }
}

/* Hero híbrido: oscuro */
.hero {
    background: radial-gradient(circle at top left, rgba(0, 212, 255, 0.25), transparent 55%),
    radial-gradient(circle at top right, rgba(0, 121, 255, 0.28), transparent 60%),
    linear-gradient(135deg, #020617, #0A2A6A);
    color: #fff;
    padding: 3.5rem 0 3.75rem;
}

.hero-grid {
    display: grid;
    gap: 2.5rem;
}

@media (min-width: 900px) {
    .hero-grid {
        grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
        align-items: center;
    }
}

.hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.78rem;
    padding: 0.25rem 0.7rem;
    border-radius: var(--radius-pill);
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(148, 163, 184, 0.5);
    margin-bottom: 1rem;
}

.hero-pill-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 12px rgba(0, 212, 255, 0.9);
}

.hero-title {
    font-size: 2.2rem;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1.1rem;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 2.8rem;
    }
}

.hero-title span.gradient {
    background: linear-gradient(120deg, #38bdf8, #22d3ee, #e0f2fe);
    -webkit-background-clip: text;
    color: transparent;
}

.hero-subtitle {
    font-size: 0.98rem;
    max-width: 32rem;
    color: #cbd5f5;
    margin-bottom: 1.6rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    margin-bottom: 1.8rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.4rem;
    border-radius: var(--radius-pill);
    font-size: 0.9rem;
    border: none;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
    gap: 0.4rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    box-shadow: 0 20px 40px rgba(56, 189, 248, 0.45);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 24px 55px rgba(37, 99, 235, 0.55);
}

.btn-outline {
    background: transparent;
    color: #e5e7eb;
    border: 1px solid rgba(148, 163, 184, 0.6);
}

.btn-outline:hover {
    background: rgba(15, 23, 42, 0.85);
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    font-size: 0.8rem;
    color: #cbd5f5;
}

.hero-meta-item strong {
    display: block;
    font-size: 1.1rem;
    color: #e5edff;
}

.hero-card {
    background: rgba(15, 23, 42, 0.9);
    border-radius: 22px;
    padding: 1.4rem 1.6rem;
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(148, 163, 184, 0.5);
}

.hero-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.9rem;
}

.hero-card-title {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: #9ca3af;
}

.hero-status {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-pill);
    background: rgba(22, 163, 74, 0.15);
    color: #bbf7d0;
    font-size: 0.75rem;
}

.hero-status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #22c55e;
    box-shadow: 0 0 10px rgba(34, 197, 94, 0.9);
}

.hero-card-body {
    font-size: 0.82rem;
    color: #e5e7eb;
    margin-bottom: 1rem;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.badge {
    font-size: 0.72rem;
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-pill);
    background: rgba(15, 118, 110, 0.15);
    color: #a5f3fc;
}

/* Secciones claras */
main {
    padding: 3.5rem 0 3rem;
}

section {
    padding: 2rem 0;
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 2rem;
}

.section-kicker {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--primary-dark);
    margin-bottom: 0.4rem;
}

.section-title {
    font-size: 1.6rem;
    letter-spacing: -0.03em;
    margin-bottom: 0.6rem;
}

.section-description {
    font-size: 0.95rem;
    color: var(--text-muted);
}

.cards-grid {
    display: grid;
    gap: 1.6rem;
}

@media (min-width: 900px) {
    .cards-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

.card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 1.4rem 1.5rem 1.5rem;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(15, 23, 42, 0.04);
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.card-icon {
    width: 32px;
    height: 32px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at 30% 0, var(--accent), var(--primary));
    color: #fff;
    font-size: 1.2rem;
    margin-bottom: 0.3rem;
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
}

.card-tag {
    display: inline-flex;
    font-size: 0.72rem;
    padding: 0.18rem 0.55rem;
    border-radius: var(--radius-pill);
    background: rgba(0, 121, 255, 0.06);
    color: var(--primary-dark);
}

.card-text {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.card-list {
    margin-top: 0.4rem;
    padding-left: 1.1rem;
    font-size: 0.86rem;
    color: var(--text-muted);
}

.card-list li {
    margin-bottom: 0.25rem;
}

.pill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-top: 0.25rem;
}

.pill {
    font-size: 0.78rem;
    padding: 0.22rem 0.65rem;
    border-radius: var(--radius-pill);
    background: rgba(148, 163, 184, 0.18);
}

/* Sección proceso / beneficios */
.two-column {
    display: grid;
    gap: 1.8rem;
}

@media (min-width: 900px) {
    .two-column {
        grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    }
}

.step-list {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

.step-item {
    display: flex;
    gap: 0.7rem;
}

.step-number {
    width: 28px;
    height: 28px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-dark);
    font-size: 0.85rem;
    font-weight: 600;
}

.step-title {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.15rem;
}

.step-text {
    font-size: 0.88rem;
    color: var(--text-muted);
}

.benefits-grid {
    display: grid;
    gap: 0.9rem;
    margin-top: 0.5rem;
}

.benefit-item {
    display: flex;
    gap: 0.5rem;
    align-items: flex-start;
    font-size: 0.88rem;
    color: var(--text-muted);
}

.benefit-bullet {
    margin-top: 0.25rem;
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
}

/* Contacto */
.contact-section {
    padding-top: 2.5rem;
}

.contact-grid {
    display: grid;
    gap: 1.8rem;
}

@media (min-width: 900px) {
    .contact-grid {
        grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    }
}

form {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 1.5rem 1.6rem;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(15, 23, 42, 0.04);
}

.form-row {
    display: grid;
    gap: 1rem;
}

@media (min-width: 640px) {
    .form-row.two {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

label {
    display: block;
    font-size: 0.8rem;
    margin-bottom: 0.25rem;
    color: var(--text-muted);
}

input,
textarea {
    width: 100%;
    border-radius: 12px;
    border: 1px solid rgba(148, 163, 184, 0.6);
    padding: 0.6rem 0.75rem;
    font-size: 0.88rem;
    outline: none;
    transition: border var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
    background: #fff;
}

input:focus,
textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 1px rgba(0, 121, 255, 0.35);
}

textarea {
    min-height: 120px;
    resize: vertical;
}

.form-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.8rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.form-hint {
    font-size: 0.76rem;
    color: var(--text-muted);
}

.contact-card {
    background: linear-gradient(135deg, rgba(10, 42, 106, 0.98), #020617);
    color: #e5edff;
    border-radius: 20px;
    padding: 1.6rem 1.7rem;
    box-shadow: 0 26px 56px rgba(15, 23, 42, 0.75);
}

.contact-card-title {
    font-size: 1.1rem;
    margin-bottom: 0.4rem;
}

.contact-card-text {
    font-size: 0.9rem;
    color: #cbd5f5;
    margin-bottom: 1rem;
}

.contact-info-item {
    font-size: 0.86rem;
    margin-bottom: 0.5rem;
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.contact-info-item span.icon {
    width: 22px;
    height: 22px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, 0.6);
    font-size: 0.9rem;
}

footer {
    border-top: 1px solid rgba(148, 163, 184, 0.35);
    background: #020617;
    color: #9ca3af;
    padding: 1.3rem 0 1.1rem;
    font-size: 0.78rem;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
}

.footer-links {
    display: flex;
    gap: 1.1rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: #d1d5db;
}

/* Utilidades */
.mt-sm { margin-top: 0.6rem; }
.mt-md { margin-top: 1rem; }