:root {
    --primary: #1f2a3a;      /* azul oscuro logo */
    --primary-soft: #24344a;
    --secondary: #3498db;    /* azul logo */
    --secondary-soft: #e3f2fd;
    --accent: #e74c3c;       /* rojo logo */
    --accent-soft: #fdecea;
    --light: #f5f7fb;
    --card-bg: #ffffff;
    --text-main: #1f2933;
    --text-muted: #6c7a89;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-main);
    line-height: 1.6;
    background-color: var(--light);
}

main section {
    scroll-margin-top: 100px;
}

/* NAVBAR */
.navbar {
    background: rgba(10, 18, 33, 0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    padding: 0.8rem 0;
}

.navbar-brand img {
    height: 80px;
    max-height: 80px;
    width: auto;
}

.navbar-nav .nav-link {
    font-weight: 400;
    letter-spacing: 0.02em;
    position: relative;
}

.navbar-nav .nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0.3rem;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--secondary), var(--accent));
    transition: width 0.2s ease;
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
    width: 100%;
}

.navbar-nav .nav-link.active {
    color: #ffffff !important;
    font-weight: 500;
}

/* HERO */
.hero {
    position: relative;
    overflow: hidden;
    padding: 5.5rem 0 4.5rem;
    background: radial-gradient(circle at top left, rgba(52, 152, 219, 0.35), transparent 55%),
                radial-gradient(circle at top right, rgba(231, 76, 60, 0.3), transparent 55%),
                linear-gradient(135deg, #050816 0%, #111827 55%, #020617 100%);
    color: #ffffff;
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at bottom, rgba(18, 55, 107, 0.45), transparent 60%);
    opacity: 0.9;
    pointer-events: none;
}

.hero > .container {
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.8rem;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.85);
    border: 1px solid rgba(148, 163, 184, 0.4);
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #e5e7eb;
}

.hero-badge span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    color: #ffffff;
    font-size: 0.7rem;
}

.hero-title {
    font-size: clamp(2.3rem, 4vw, 3.2rem);
    font-weight: 700;
    letter-spacing: -0.03em;
}

.hero-title span {
    background: linear-gradient(135deg, #60a5fa, #22d3ee);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-subtitle {
    color: #cbd5f5;
    font-size: 1.05rem;
}

.hero-metadata {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    font-size: 0.9rem;
    color: #e5e7eb;
}

.hero-metadata strong {
    display: block;
    font-size: 1.05rem;
}

.hero-cta-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.btn-primary-modern {
    border-radius: 999px;
    padding: 0.75rem 1.8rem;
    border: none;
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    color: #ffffff;
    font-weight: 500;
    box-shadow: 0 14px 30px rgba(15, 118, 230, 0.4);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.btn-primary-modern i {
    font-size: 1.1rem;
}

.btn-primary-modern:hover {
    color: #ffffff;
    transform: translateY(-1px);
}

.btn-outline-modern {
    border-radius: 999px;
    padding: 0.75rem 1.6rem;
    border: 1px solid rgba(148, 163, 184, 0.8);
    color: #e5e7eb;
    background: transparent;
}

.btn-outline-modern:hover {
    background: rgba(15, 23, 42, 0.8);
    color: #ffffff;
}

.hero-card {
    border-radius: 20px;
    padding: 1.75rem 1.5rem;
    background: radial-gradient(circle at top, rgba(248, 250, 252, 0.18), transparent 60%),
                rgba(15, 23, 42, 0.94);
    border: 1px solid rgba(148, 163, 184, 0.5);
    box-shadow: 0 22px 45px rgba(15, 23, 42, 0.7);
}

.hero-card-title {
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #9ca3af;
}

.hero-card-metric {
    font-size: 1.6rem;
    font-weight: 600;
}

.hero-card small {
    color: #9ca3af;
}

.hero-card-divider {
    border-top: 1px dashed rgba(148, 163, 184, 0.7);
}

/* SECCIÓN SERVICIOS PRINCIPALES */
.section-heading {
    max-width: 680px;
    margin: 0 auto 2.5rem;
}

.section-eyebrow {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--text-muted);
}

.section-title {
    font-weight: 700;
    letter-spacing: -0.04em;
}

.section-subtitle {
    color: var(--text-muted);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.6rem;
}

.service-card-modern {
    background: var(--card-bg);
    border-radius: 18px;
    padding: 1.7rem 1.5rem;
    border: 1px solid rgba(15, 23, 42, 0.06);
    box-shadow: 0 18px 35px rgba(15, 23, 42, 0.04);
    position: relative;
    overflow: hidden;
    transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.2s ease;
}

.service-card-modern::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(52, 152, 219, 0.12), transparent 50%);
    opacity: 0;
    transition: opacity 0.22s ease;
}

.service-card-modern:hover {
    transform: translateY(-6px);
    box-shadow: 0 22px 40px rgba(15, 23, 42, 0.12);
    border-color: rgba(52, 152, 219, 0.4);
}

.service-card-modern:hover::before {
    opacity: 1;
}

.service-icon-pill {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: var(--secondary-soft);
    color: var(--secondary);
    margin-bottom: 1rem;
}

.service-icon-pill i {
    font-size: 1.3rem;
}

.service-tag {
    display: inline-flex;
    align-items: center;
    padding: 0.1rem 0.6rem;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 0.75rem;
    font-weight: 500;
}

.service-features {
    list-style: none;
    padding-left: 0;
    margin-bottom: 0;
}

.service-features li {
    display: flex;
    gap: 0.4rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.service-features li i {
    margin-top: 0.1rem;
    color: var(--secondary);
}

/* TARJETAS DE TRÁMITES */
.tramite-item {
    padding: 1.4rem 1.3rem;
    border-radius: 16px;
    background: var(--card-bg);
    box-shadow: 0 14px 24px rgba(15, 23, 42, 0.04);
    border: 1px solid rgba(15, 23, 42, 0.05);
}

.tramite-item h5 {
    font-size: 0.98rem;
    letter-spacing: 0.03em;
}

.tramite-item .bi-check-circle-fill {
    color: var(--secondary);
}

/* LISTÓN DE TIPOS DE TRÁMITE */
.tramite-ribbon-wrapper {
    position: relative;
}

.tramite-ribbon {
    position: relative;
    z-index: 1;
    border-radius: 999px;
    padding: 0.9rem 1.4rem;
    background: radial-gradient(circle at left, rgba(52, 152, 219, 0.18), transparent 60%),
                rgba(15, 23, 42, 0.96);
    color: #e5e7eb;
    display: flex;
    align-items: center;
    gap: 1rem;
    overflow-x: auto;
    white-space: nowrap;
    scrollbar-width: none;
}

.tramite-ribbon::-webkit-scrollbar {
    display: none;
}

.tramite-ribbon-label {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: #9ca3af;
    flex-shrink: 0;
}

.tramite-chip {
    border-radius: 999px;
    border: 1px solid rgba(148, 163, 184, 0.5);
    padding: 0.3rem 0.9rem;
    font-weight: 500;
    color: #f9fafb;
    background: rgba(15, 23, 42, 0.9);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    flex-shrink: 0;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.tramite-chip i {
    font-size: 0.9rem;
    opacity: 0.85;
}

.tramite-chip--lg {
    font-size: 0.9rem;
    padding: 0.35rem 1.1rem;
}

.tramite-chip--md {
    font-size: 0.8rem;
}

.tramite-chip--sm {
    font-size: 0.7rem;
}

.tramite-chip:hover {
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.4);
    transform: translateY(-1px);
}

.tramite-ribbon-arrow {
    position: absolute;
    z-index: 3;
    top: 50%;
    transform: translateY(-50%);
    width: 30px;
    height: 30px;
    border-radius: 999px;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at center, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.7));
    color: #e5e7eb;
    box-shadow: 0 10px 20px rgba(15, 23, 42, 0.4);
    cursor: pointer;
    opacity: 0.0;
    pointer-events: none;
    transition: opacity 0.18s ease, transform 0.18s ease;
}

.tramite-ribbon-arrow i {
    font-size: 0.9rem;
}

.tramite-ribbon-arrow--left {
    left: 0.25rem;
}

.tramite-ribbon-arrow--right {
    right: 0.25rem;
}

.tramite-ribbon-wrapper:hover .tramite-ribbon-arrow {
    opacity: 0.85;
    pointer-events: auto;
}

.tramite-ribbon-arrow:hover {
    transform: translateY(-50%) scale(1.05);
}

/* CONTACTO / OTROS */
.contact-card {
    background-color: var(--card-bg);
    border-radius: 18px;
    padding: 2rem;
    border: 1px solid rgba(15, 23, 42, 0.06);
    box-shadow: 0 18px 35px rgba(15, 23, 42, 0.04);
}

footer {
    background: radial-gradient(circle at top, #1f2933, #050816 65%);
    color: white;
    padding: 3rem 0;
}

.footer-logo img {
    height: 50px;
    margin-bottom: 1rem;
}

.process-step {
    position: relative;
    padding-left: 60px;
    margin-bottom: 30px;
}

.step-number {
    position: absolute;
    left: 0;
    top: 0;
    width: 40px;
    height: 40px;
    background-color: var(--secondary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.process-step h5 {
    color: var(--primary);
    margin-bottom: 5px;
}

.process-step p {
    color: var(--text-muted);
    margin-bottom: 0;
}

.accordion-button:not(.collapsed) {
    background-color: rgba(52, 152, 219, 0.08);
    color: var(--primary);
}

.accordion-button:focus {
    box-shadow: none;
    border-color: rgba(0,0,0,.125);
}

@media (max-width: 992px) {
    .service-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 4rem 0 3rem;
    }

    .navbar-brand img {
        height: 56px;
        max-height: 56px;
        width: auto;
    }

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