/*
 * DNL TRANSPORTE Y LOGÍSTICA — HOJA DE ESTILOS PRINCIPAL
 * Diseño UI/UX Senior — Robusto, Serio, Clase Mundial
 * Paleta: Azul Marino Profundo (#002D62) + Blanco Puro (#FFFFFF)
 * Tipografía: Roboto 900 (titulares) + Montserrat (cuerpo)
 * ================================================================
 */

/* ── 1. VARIABLES Y RESET ─────────────────────────────────────── */
:root {
    --navy:          #1F4E78;
    --navy-dark:     #163a59;
    --navy-mid:      #2c6da8;
    --white:         #FFFFFF;
    --off-white:     #F2F2F2;
    --border:        #DDE2E9;
    --text-main:     #1A2B4A;
    --text-muted:    #5A6E8C;
    --accent-gold:   #F0AC2B;
    --success:       #10b981;
    --shadow-sm:     0 2px 8px rgba(31,78,120,.08);
    --shadow-md:     0 8px 24px rgba(31,78,120,.12);
    --shadow-lg:     0 20px 48px rgba(31,78,120,.18);
    --radius:        10px;
    --radius-lg:     18px;
    --transition:    all .3s cubic-bezier(.4,0,.2,1);
    --nav-height:    70px;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Roboto', sans-serif; /* Roboto para cuerpo de texto */
    color: var(--text-main);
    background: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
}

/* Títulos con Montserrat */
h1, h2, h3, h4 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700; /* Montserrat se ve mejor en 700 para títulos */
    text-transform: uppercase;
    letter-spacing: 0.5px;
    line-height: 1.2;
}

img { max-width: 100%; display: block; }
a  { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Secciones */
.section { padding: 96px 0; }
.section--alt { background: var(--off-white); }

/* Título de sección */
.section-label {
    display: inline-block;
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--navy);
    background: rgba(0,45,98,.08);
    padding: 4px 14px;
    border-radius: 20px;
    margin-bottom: 14px;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    color: var(--navy);
    margin-bottom: 16px;
}

.section-title--white { color: var(--white); }

.section-divider {
    width: 52px;
    height: 4px;
    background: var(--accent-gold);
    border-radius: 2px;
    margin-bottom: 48px;
}

.section-divider--center { margin-left: auto; margin-right: auto; }

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

/* ── 2. NAVEGACIÓN STICKY ─────────────────────────────────────── */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    background: var(--white);
    box-shadow: 0 1px 0 var(--border), var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

/* Apariencia elevada al hacer scroll (añadida via JS) */
.navbar.scrolled {
    box-shadow: 0 4px 20px rgba(0,45,98,.12);
}

.nav-container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.nav-logo img {
    height: 44px;
    width: auto;
    object-fit: contain;
    transition: var(--transition);
}

/* Menú de links */
.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-links a {
    padding: 8px 14px;
    font-size: .875rem;
    font-weight: 600;
    color: var(--text-main);
    border-radius: 6px;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--navy);
    background: var(--off-white);
}

/* Botón CTA en navbar */
.nav-cta {
    padding: 10px 22px !important;
    background: var(--navy) !important;
    color: var(--white) !important;
    border-radius: 8px !important;
    margin-left: 8px;
}
.nav-cta:hover {
    background: var(--navy-mid) !important;
    transform: translateY(-1px);
}

/* Botón hamburguesa (móvil) */

/* Botón hamburguesa (móvil) */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    flex-direction: column;
    gap: 5px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--navy);
    border-radius: 2px;
    transition: var(--transition);
}

/* ── 3. HERO ──────────────────────────────────────────────────── */
.hero {
    min-height: 100vh;
    padding-top: var(--nav-height);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    /* Imagen de fondo con gradiente más sutil para visibilidad */
    background:
        linear-gradient(
            135deg,
            rgba(0, 26, 61, .75) 0%,
            rgba(0, 45, 98, .55) 60%,
            rgba(0, 62, 138, .40) 100%
        ),
        url('img/cuesta_de_sol.png') 85% center/cover no-repeat;
}

/* ── 3.1. SCROLL DOWN INDICATOR ────────────────────────────── */
.scroll-down {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--white);
    opacity: 0.6;
    transition: var(--transition);
    pointer-events: none;
}

.scroll-down span {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.mouse {
    width: 22px;
    height: 35px;
    border: 2px solid var(--white);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    padding-top: 5px;
}

.wheel {
    width: 3px;
    height: 6px;
    background: var(--white);
    border-radius: 2px;
    animation: scroll-wheel 1.6s ease infinite;
}

@keyframes scroll-wheel {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(12px); opacity: 0; }
}

.scroll-down:hover { opacity: 1; }

/* Textura diagonal sutil */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        -45deg,
        transparent,
        transparent 40px,
        rgba(255,255,255,.015) 40px,
        rgba(255,255,255,.015) 80px
    );
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    color: var(--white);
    max-width: 780px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.2);
    backdrop-filter: blur(6px);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 24px;
    color: var(--accent-gold);
}

.hero-title {
    font-size: clamp(2.2rem, 5.5vw, 4rem);
    color: var(--white);
    margin-bottom: 24px;
    text-shadow: 0 2px 20px rgba(0,0,0,.3);
}

.hero-title span { color: var(--accent-gold); }

.hero-subtitle {
    font-size: 1.125rem;
    color: rgba(255,255,255,.85);
    max-width: 560px;
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* ── 4. BOTONES ────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    font-family: 'Montserrat', sans-serif;
    font-size: .9rem;
    font-weight: 700;
    border-radius: 50px;   /* Bordes muy redondeados */
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

/* Primario (blanco/dorado sobre oscuro) */
.btn-primary {
    background: var(--white);
    color: var(--navy);
    border-color: var(--white);
}

.btn-primary:hover {
    background: var(--accent-gold);
    border-color: var(--accent-gold);
    color: var(--navy-dark);
    transform: scale(1.04);   /* Efecto de escala en hover */
    box-shadow: 0 8px 24px rgba(240,172,43,.35);
}

/* Navy (para secciones claras) */
.btn-navy {
    background: var(--navy);
    color: var(--white);
    border-color: var(--navy);
}

.btn-navy:hover {
    background: var(--navy-mid);
    border-color: var(--navy-mid);
    transform: scale(1.04);
    box-shadow: var(--shadow-md);
}

/* Outline */
.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,.6);
}

.btn-outline:hover {
    background: rgba(255,255,255,.1);
    border-color: var(--white);
    transform: scale(1.04);
}

/* Full width */
.btn-block { width: 100%; justify-content: center; }

/* ── 5. NOSOTROS ───────────────────────────────────────────────── */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.about-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px 32px;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.about-card--full {
    grid-column: 1 / -1;
    display: flex;
    gap: 32px;
    align-items: center;
}

.about-card--full .about-card-icon { margin-bottom: 0; flex-shrink: 0; }

.about-values { flex-grow: 1; }
.values-list { 
    list-style: none; 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); 
    gap: 15px; 
    margin-top: 15px;
}
.values-list li { 
    display: flex; 
    align-items: center; 
    gap: 10px; 
    font-size: 0.95rem;
    color: var(--navy-light);
}
.values-list li i { color: var(--success); font-size: 1.1rem; }

@media (max-width: 768px) {
    .about-grid { grid-template-columns: 1fr; }
    .about-card--full { flex-direction: column; text-align: center; }
    .about-card--full .about-card-icon { margin: 0 auto 20px; }
    .values-list { text-align: left; }
}

.about-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }

/* Franja de acento superior */
.about-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--navy), var(--accent-gold));
}

.about-card-icon {
    width: 52px; height: 52px;
    background: var(--off-white);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--navy);
    margin-bottom: 20px;
}

.about-card h3 {
    font-size: 1rem;
    color: var(--navy);
    margin-bottom: 12px;
}

.about-card p { color: var(--text-muted); font-size: .95rem; }

/* ── 6. TARJETAS DE SERVICIOS ─────────────────────────────────── */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.service-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.service-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
    border-color: var(--navy);
}

/* Ícono SVG vectorial dentro de círculo */
.service-icon {
    width: 64px; height: 64px;
    background: linear-gradient(135deg, var(--navy), var(--navy-mid));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--white);
    flex-shrink: 0;
}

.service-card h3 {
    font-size: 1.05rem;
    color: var(--navy);
    margin: 0;
}

.service-card p {
    color: var(--text-muted);
    font-size: .92rem;
    flex: 1;
}

/* Badge de tipo de unidad */
.service-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(0,45,98,.07);
    color: var(--navy);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: .78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .5px;
    align-self: flex-start;
}

/* ── 7. COBERTURA GEOGRÁFICA ──────────────────────────────────── */
.coverage-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.coverage-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    height: 280px;
    cursor: pointer;
    box-shadow: var(--shadow-md);
}

.coverage-card img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform .6s cubic-bezier(.4,0,.2,1);
}

.coverage-card:hover img { transform: scale(1.08); }

/* Gradiente oscuro */
.coverage-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(0,26,61,.92) 0%,
        rgba(0,26,61,.4) 55%,
        transparent 100%
    );
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
    color: var(--white);
    transition: var(--transition);
}

.coverage-card-icon {
    font-size: 2rem;
    margin-bottom: 10px;
    color: var(--accent-gold);
}

.coverage-card h3 {
    font-size: 1rem;
    margin-bottom: 6px;
}

.coverage-card p {
    font-size: .83rem;
    color: rgba(255,255,255,.8);
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
}

/* ── 8. FLOTA EN CSS GRID ─────────────────────────────────────── */
.fleet-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    grid-template-rows: auto auto;
    gap: 20px;
}

.fleet-item {
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-md);
    background: var(--navy-dark);
}

/* Ítem grande ocupa filas 1 y 2 */
.fleet-item--main {
    grid-row: 1 / span 2;
}

.fleet-item img {
    width: 100%; height: 100%;
    object-fit: cover;
    display: block;
    min-height: 240px;
    transition: transform .6s ease;
}

.fleet-item:hover img { transform: scale(1.04); }

/* Pie de foto elegante */
.fleet-caption {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    padding: 18px 22px;
    background: linear-gradient(transparent, rgba(0,26,61,.88));
    color: var(--white);
    display: flex;
    align-items: flex-end;
    gap: 10px;
}

.fleet-caption i {
    font-size: 1.1rem;
    color: var(--accent-gold);
    flex-shrink: 0;
}

.fleet-caption-text strong {
    display: block;
    font-family: 'Roboto', sans-serif;
    font-weight: 900;
    font-size: .9rem;
    text-transform: uppercase;
}

.fleet-caption-text span {
    font-size: .78rem;
    color: rgba(255,255,255,.75);
}

/* ── 9. SECCIÓN CONTACTO / FORMULARIO PRO ─────────────────────── */
.contact-section {
    background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

/* Patrón de puntos decorativo */
.contact-section::before {
    content: '';
    position: absolute;
    top: -60px; right: -60px;
    width: 320px; height: 320px;
    border-radius: 50%;
    background: rgba(240,172,43,.06);
    pointer-events: none;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 56px;
    align-items: center;
}

.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 22px;
    margin-top: 32px;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-info-icon {
    width: 44px; height: 44px;
    background: rgba(255,255,255,.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--accent-gold);
    flex-shrink: 0;
}

.contact-info-item p { font-size: .9rem; color: rgba(255,255,255,.85); margin: 0; }
.contact-info-item strong { display: block; font-size: .8rem; color: rgba(255,255,255,.5); text-transform: uppercase; letter-spacing: .5px; }

/* Contenedor del formulario (tarjeta limpia) */
.form-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.form-card h3 {
    font-size: 1.2rem;
    color: var(--navy);
    margin-bottom: 6px;
}

.form-card p {
    font-size: .875rem;
    color: var(--text-muted);
    margin-bottom: 28px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* Grupo de campo */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 18px;
}

.form-group label {
    font-size: .8rem;
    font-weight: 700;
    color: var(--navy);
    text-transform: uppercase;
    letter-spacing: .5px;
}

/* Input base */
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-family: 'Montserrat', sans-serif;
    font-size: .9rem;
    color: var(--text-main);
    background: var(--off-white);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    outline: none;
    transition: var(--transition);
}

/* Validación visual: brilla en azul al seleccionar (focus) */
.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--navy);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(0,45,98,.12);
}

.form-group select {
    width: 100%;
    padding: 12px 16px;
    font-family: 'Montserrat', sans-serif;
    font-size: .9rem;
    color: var(--text-main);
    background: var(--off-white);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    outline: none;
    transition: var(--transition);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%231F4E78' d='M1.41 0L6 4.58 10.59 0 12 1.41l-6 6-6-6z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

.form-group select:focus {
    border-color: var(--navy);
    background-color: var(--white);
    box-shadow: 0 0 0 4px rgba(0,45,98,.12);
}

.form-group textarea { resize: vertical; min-height: 100px; }

/* Mensaje de éxito */
.form-success {
    display: none;
    align-items: center;
    gap: 12px;
    background: #ecfdf5;
    border: 1px solid #6ee7b7;
    color: #065f46;
    padding: 14px 18px;
    border-radius: var(--radius);
    margin-top: 16px;
    font-size: .9rem;
    font-weight: 600;
}

/* ── 10. WHATSAPP FLOATING BUTTON ──────────────────────────────── */
.whatsapp-float {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 58px; height: 58px;
    background: #25D366;
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    box-shadow: 0 6px 24px rgba(37,211,102,.45);
    z-index: 9999;
    transition: var(--transition);
    animation: whatsapp-pulse 2s infinite;
}

@keyframes whatsapp-pulse {
    0%, 100% { box-shadow: 0 6px 24px rgba(37,211,102,.45); }
    50% { box-shadow: 0 6px 32px rgba(37,211,102,.7), 0 0 0 12px rgba(37,211,102,.15); }
}

.whatsapp-float:hover {
    transform: scale(1.12) rotate(-5deg);
    box-shadow: 0 10px 32px rgba(37,211,102,.55);
}

/* Tooltip */
.whatsapp-float::before {
    content: 'Escríbenos';
    position: absolute;
    right: 68px;
    background: var(--text-main);
    color: var(--white);
    font-size: .75rem;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: 6px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s;
}

.whatsapp-float:hover::before { opacity: 1; }

/* ── 12. ANIMACIONES DE REVELADO ─────────────────────────────── */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity .8s ease-out, transform .8s ease-out;
}

.reveal-active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }
.footer {
    background: var(--navy-dark);
    color: rgba(255,255,255,.75);
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 36px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,.08);
}

/* Columna de marca */
.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.footer-logo {
    width: 120px;
    height: auto;
    object-fit: contain;
    margin-bottom: 16px;
}

.footer-tagline {
    font-size: .85rem;
    line-height: 1.7;
    max-width: 280px;
    color: rgba(255,255,255,.6);
    margin-bottom: 0;
}

/* Ubicación destacada en footer */
.footer-location {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    background: rgba(240,172,43,.1);
    border: 1px solid rgba(240,172,43,.25);
    border-radius: var(--radius);
    padding: 12px 14px;
    margin-top: 16px;
}

.footer-location i { color: var(--accent-gold); font-size: 1.1rem; flex-shrink: 0; margin-top: 2px; }

.footer-location strong {
    display: block;
    color: var(--white);
    font-size: .85rem;
    margin-bottom: 2px;
}

.footer-location span { font-size: .8rem; color: rgba(255,255,255,.6); }

.footer-col h4 {
    font-size: .8rem;
    letter-spacing: 1.5px;
    color: rgba(255,255,255,.4);
    margin-bottom: 20px;
}

.footer-links li { margin-bottom: 10px; }

.footer-links a {
    font-size: .875rem;
    color: rgba(255,255,255,.65);
    transition: color .2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.footer-links a::before { content: '›'; font-size: 1.1rem; }

.footer-links a:hover { color: var(--white); }

.footer-socials {
    display: flex;
    gap: 10px;
    margin-top: 4px;
}

.footer-social {
    width: 38px; height: 38px;
    border-radius: 8px;
    background: rgba(255,255,255,.07);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .95rem;
    color: rgba(255,255,255,.7);
    transition: var(--transition);
}

.footer-social:hover {
    background: var(--navy-mid);
    color: var(--white);
    transform: translateY(-2px);
}

.footer-bottom {
    padding: 18px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    font-size: .8rem;
    color: rgba(255,255,255,.35);
}

.footer-bottom a {
    color: rgba(255,255,255,.5);
    transition: color .2s;
}

.footer-bottom a:hover { color: var(--white); }

/* ── 12. RESPONSIVE ───────────────────────────────────────────── */
@media (max-width: 960px) {
    .services-grid { grid-template-columns: 1fr; }
    .coverage-grid { grid-template-columns: 1fr 1fr; }
    .fleet-grid { grid-template-columns: 1fr; }
    .fleet-item--main { grid-row: auto; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 700px) {
    .about-grid { grid-template-columns: 1fr; }
    .coverage-grid { grid-template-columns: 1fr; }
    .hero-title { font-size: 2rem; }
    .nav-links { display: none; flex-direction: column; position: absolute; top: var(--nav-height); left: 0; width: 100%; background: var(--white); padding: 16px 24px; box-shadow: var(--shadow-md); gap: 4px; }
    .nav-links.open { display: flex; }
    .nav-toggle { display: flex; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .hero-actions { flex-direction: column; }
    .btn { justify-content: center; }
}

/* ── 13. MEJORAS DE PULIDO VISUAL — DNL PREMIUM ──────────────── */
.nav-cta {
    background: var(--navy) !important;
    color: var(--white) !important;
    padding: 10px 22px !important;
    border-radius: 50px !important;
    margin-left: 15px;
    box-shadow: 0 4px 12px rgba(31, 78, 120, 0.2);
}

.nav-cta:hover {
    background: var(--accent) !important;
    color: var(--navy) !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(240, 172, 43, 0.4);
}

/* Ajustes adicionales de contacto */
.contact-info-item a:hover {
    text-decoration: underline;
    opacity: 1;
}

.whatsapp-float {
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
}

/* ── 14. MENSAJE DE ÉXITO PREMIUM ────────────────────────────── */
.form-success-overlay {
    background: var(--white);
    padding: 40px 30px;
    text-align: center;
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 420px;
    animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.form-success-content h3 {
    color: var(--navy);
    font-size: 1.8rem;
    margin-bottom: 8px;
    font-weight: 700;
}

.folio-badge {
    background: #f8f9fa;
    padding: 14px 28px;
    border-radius: 8px;
    border: 1px solid #e9ecef;
    display: inline-block;
    margin: 20px 0;
    font-size: 1.05rem;
    color: var(--text-muted);
}

.folio-badge strong {
    color: var(--navy);
    font-size: 1.2rem;
    letter-spacing: 0.5px;
}

.mb-3 { margin-bottom: 1rem !important; }
.mt-3 { margin-top: 1rem !important; }