/* ===== RESET & VARIABLES ===== */
:root {
    --bg-dark: #0a0f1a;
    --bg-dark-secondary: #111827;
    --bg-card: #1a1f2e;
    --bg-light: #ffffff;
    --bg-light-secondary: #f8fafc;
    --bg-gray: #f1f5f9;
    --text-light: #ffffff;
    --text-dark: #0f172a;
    --text-gray: #64748b;
    --text-gray-light: #94a3b8;
    --accent: #c9a96e;
    --accent-hover: #b8952e;
    --accent-light: rgba(201, 169, 110, 0.15);
    --blue-accent: #3b82f6;
    --blue-hover: #2563eb;
    --gradient-dark: linear-gradient(160deg, #0a0f1a 0%, #111827 50%, #0d1117 100%);
    --gradient-accent: linear-gradient(135deg, #c9a96e 0%, #b8952e 100%);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --font-primary: 'Inter', system-ui, -apple-system, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    --max-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    background: var(--bg-light);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== UTILIDADES ===== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.text-accent {
    color: var(--accent);
}

.section {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-tag {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    background: var(--accent-light);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    margin-bottom: 1rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.2;
}

/* ===== BOTONES ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 1.8rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--gradient-accent);
    color: #0a0f1a;
    border: none;
    box-shadow: 0 4px 15px rgba(201, 169, 110, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(201, 169, 110, 0.5);
}

.btn-outline {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.4);
    color: var(--text-light);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent);
    color: var(--accent);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: transparent;
    transition: var(--transition-slow);
    padding: 1.2rem 0;
}

.navbar.scrolled {
    background: rgba(10, 15, 26, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 0.8rem 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--text-light);
    font-weight: 700;
    font-size: 1.3rem;
}

.logo-icon {
    font-size: 1.6rem;
}

.logo-highlight {
    color: var(--accent);
    font-weight: 800;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: var(--transition);
}

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

.nav-link:hover {
    color: var(--accent);
}

.nav-cta {
    background: var(--gradient-accent);
    color: #0a0f1a !important;
    padding: 0.6rem 1.5rem !important;
    border-radius: var(--radius-md);
    font-weight: 600;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(201, 169, 110, 0.4);
}

.nav-cta::after {
    display: none;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    z-index: 1001;
}

.bar {
    width: 28px;
    height: 2.5px;
    background: var(--text-light);
    transition: var(--transition);
    border-radius: 2px;
}

.nav-toggle.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active .bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== HERO ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-dark);
    overflow: hidden;
    padding: 8rem 2rem 4rem;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(201, 169, 110, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(59, 130, 246, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 100%, rgba(201, 169, 110, 0.03) 0%, transparent 40%);
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 2px,
            rgba(255, 255, 255, 0.01) 2px,
            rgba(255, 255, 255, 0.01) 4px
        );
    animation: gridMove 60s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    color: var(--text-light);
}

.hero-badge {
    display: inline-block;
    background: var(--accent-light);
    color: var(--accent);
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-gray-light);
    line-height: 1.7;
    margin-bottom: 2.5rem;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
}

.stat-suffix {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-gray-light);
    margin-top: 0.3rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-gray-light);
    font-size: 0.8rem;
    animation: bounce 2s ease-in-out infinite;
    z-index: 1;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-8px); }
    60% { transform: translateX(-50%) translateY(-4px); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== SECCIÓN: QUÉ HACEMOS ===== */
.que-hacemos {
    background: var(--bg-light);
}

.que-hacemos-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.que-hacemos-text .text-highlight {
    font-size: 1.3rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.que-hacemos-text p {
    color: var(--text-gray);
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
}

.testimonial-inline {
    background: var(--bg-light-secondary);
    border-left: 4px solid var(--accent);
    padding: 2rem;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin-top: 2rem;
    position: relative;
}

.testimonial-inline i {
    color: var(--accent);
    font-size: 1.5rem;
    opacity: 0.5;
    margin-bottom: 0.5rem;
    display: block;
}

.testimonial-inline blockquote {
    font-style: italic;
    color: var(--text-dark);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 0.5rem;
}

.testimonial-author {
    font-weight: 600;
    color: var(--text-dark);
}

.testimonial-note {
    display: block;
    font-size: 0.8rem;
    color: var(--text-gray);
    margin-top: 0.3rem;
}

.que-hacemos-image {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.image-card {
    background: var(--bg-dark);
    color: var(--text-light);
    padding: 2rem;
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    transition: var(--transition);
}

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

.card-icon {
    width: 50px;
    height: 50px;
    background: var(--accent-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--accent);
}

.image-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
}

.image-card p {
    color: var(--text-gray-light);
    font-size: 0.95rem;
}

/* ===== SECCIÓN: RAZONES ===== */
.razones {
    background: var(--bg-gray);
}

.razones-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.razon-card {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    position: relative;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid transparent;
}

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

.razon-number {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 3rem;
    font-weight: 900;
    color: rgba(201, 169, 110, 0.1);
    font-family: var(--font-display);
    line-height: 1;
}

.razon-icon {
    width: 55px;
    height: 55px;
    background: var(--accent-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.razon-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.razon-card p {
    color: var(--text-gray);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.razon-metrica {
    background: var(--bg-light-secondary);
    padding: 1rem;
    border-radius: var(--radius-sm);
    text-align: center;
}

.metrica-numero {
    display: block;
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--accent);
}

.metrica-texto {
    font-size: 0.8rem;
    color: var(--text-gray);
}

.razon-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.razon-tags span {
    background: var(--accent-light);
    color: var(--accent);
    padding: 0.3rem 0.8rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Garantías */
.garantias {
    background: var(--bg-dark);
    color: var(--text-light);
    border-radius: var(--radius-xl);
    padding: 2.5rem 3rem;
    text-align: center;
}

.garantias h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--accent);
}

.garantias-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.garantia-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    text-align: left;
    font-size: 0.9rem;
}

.garantia-item i {
    font-size: 1.5rem;
    color: var(--accent);
    flex-shrink: 0;
}

/* ===== SECCIÓN: RESULTADOS ===== */
.resultados {
    background: var(--bg-light);
}

.resultados-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 1rem;
}

.resultado-card {
    background: var(--bg-light-secondary);
    border-radius: var(--radius-lg);
    padding: 2rem;
    border: 1px solid #e2e8f0;
    transition: var(--transition);
}

.resultado-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--accent);
}

.resultado-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.resultado-sector {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.resultado-numero {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    font-family: var(--font-display);
}

.resultado-card p {
    color: var(--text-gray);
    font-size: 0.95rem;
    line-height: 1.7;
}

.resultados-nota {
    text-align: center;
    color: var(--text-gray);
    font-size: 0.85rem;
    margin-bottom: 2rem;
}

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

/* ===== SECCIÓN: PROCESO ===== */
.proceso {
    background: var(--bg-gray);
}

.proceso-timeline {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    padding-left: 3rem;
}

.proceso-timeline::before {
    content: '';
    position: absolute;
    left: 1.4rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--accent);
    opacity: 0.3;
}

.proceso-step {
    display: flex;
    gap: 2rem;
    margin-bottom: 2.5rem;
    position: relative;
}

.proceso-step:last-child {
    margin-bottom: 0;
}

.step-number {
    width: 3rem;
    height: 3rem;
    background: var(--bg-dark);
    color: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    flex-shrink: 0;
    z-index: 1;
    border: 2px solid var(--accent);
}

.step-content {
    background: var(--bg-light);
    padding: 1.5rem 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    flex: 1;
}

.step-content h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.step-content p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

/* ===== SECCIÓN: IMPACTO SOCIAL ===== */
.impacto-social {
    background: var(--bg-dark);
    color: var(--text-light);
    text-align: center;
}

.impacto-content {
    max-width: 700px;
    margin: 0 auto;
}

.impacto-content h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    margin: 1rem 0;
}

.impacto-content p {
    color: var(--text-gray-light);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 0.5rem;
}

.impacto-nota {
    font-size: 0.9rem !important;
    font-style: italic;
    opacity: 0.7;
}

/* ===== SECCIÓN: TESTIMONIOS ===== */
.testimonios {
    background: var(--bg-light);
}

.testimonios-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.testimonio-card {
    background: var(--bg-light-secondary);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid #e2e8f0;
}

.testimonio-stars {
    color: #f59e0b;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.testimonio-card p {
    font-size: 1.05rem;
    color: var(--text-dark);
    font-style: italic;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.testimonio-cargo {
    font-weight: 600;
    color: var(--text-gray);
    font-size: 0.9rem;
}

/* ===== SECCIÓN: CONTACTO ===== */
.contacto {
    background: var(--bg-gray);
}

.contacto-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    background: var(--bg-light);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    padding: 3rem;
}

.contacto-info h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    margin: 1rem 0;
    line-height: 1.3;
}

.contacto-info p {
    color: var(--text-gray);
    margin-bottom: 2rem;
}

.contacto-datos {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.dato-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.dato-item i {
    width: 40px;
    height: 40px;
    background: var(--accent-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    flex-shrink: 0;
}

.contacto-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.9rem 1.2rem;
    border: 1.5px solid #e2e8f0;
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: 0.95rem;
    transition: var(--transition);
    background: var(--bg-light-secondary);
    color: var(--text-dark);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-light);
    background: var(--bg-light);
}

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

.form-nota {
    font-size: 0.75rem;
    color: var(--text-gray);
    text-align: center;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-dark);
    color: var(--text-light);
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo p {
    color: var(--text-gray-light);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-gray-light);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

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

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-gray-light);
    font-size: 1.2rem;
    transition: var(--transition);
    text-decoration: none;
}

.footer-social a:hover {
    background: var(--accent);
    color: #0a0f1a;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 1.5rem;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-gray-light);
}

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: #fff;
    z-index: 999;
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
    transition: var(--transition);
    text-decoration: none;
    animation: pulse 2s ease-in-out infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 35px rgba(37, 211, 102, 0.6);
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    background: var(--bg-dark);
    color: var(--text-light);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

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

@keyframes pulse {
    0%, 100% { box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 8px 40px rgba(37, 211, 102, 0.7); }
}

/* ===== BACK TO TOP ===== */
.back-to-top {
    position: fixed;
    bottom: 5.5rem;
    right: 2rem;
    width: 45px;
    height: 45px;
    background: var(--bg-dark);
    color: var(--accent);
    border: 2px solid var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.1rem;
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--accent);
    color: var(--bg-dark);
}

/* ===== MODAL ===== */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    backdrop-filter: blur(4px);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--bg-light);
    padding: 3rem;
    border-radius: var(--radius-xl);
    text-align: center;
    max-width: 500px;
    width: 90%;
    position: relative;
    box-shadow: var(--shadow-xl);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--text-gray);
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--text-dark);
}

.modal-icon {
    font-size: 3.5rem;
    color: #25d366;
    margin-bottom: 1rem;
}

.modal-content h2 {
    font-family: var(--font-display);
    margin-bottom: 1rem;
}

.modal-content p {
    color: var(--text-gray);
    margin-bottom: 2rem;
}

/* ===== ANIMACIONES REVEAL ===== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .razones-grid,
    .garantias-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .resultados-grid {
        grid-template-columns: 1fr;
    }
    .que-hacemos-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .que-hacemos-image {
        flex-direction: row;
    }
    .contacto-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    .section {
        padding: 4rem 0;
    }
    .container {
        padding: 0 1.5rem;
    }
    
    /* Navbar */
    .nav-toggle {
        display: flex;
    }
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 350px;
        height: 100vh;
        background: var(--bg-dark);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2.5rem;
        transition: var(--transition-slow);
        z-index: 1000;
    }
    .nav-menu.active {
        right: 0;
    }
    .nav-link {
        font-size: 1.2rem;
    }
    
    /* Hero */
    .hero {
        padding: 6rem 1.5rem 3rem;
        min-height: auto;
    }
    .hero-stats {
        gap: 2rem;
    }
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    /* Grids */
    .razones-grid,
    .garantias-grid,
    .testimonios-grid,
    .que-hacemos-image {
        grid-template-columns: 1fr;
    }
    
    .proceso-timeline {
        padding-left: 2.5rem;
    }
    .proceso-timeline::before {
        left: 1.2rem;
    }
    .step-number {
        width: 2.5rem;
        height: 2.5rem;
        font-size: 1rem;
    }
    
    .garantias {
        padding: 2rem 1.5rem;
    }
    
    .contacto-wrapper {
        padding: 2rem 1.5rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .whatsapp-float {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
        bottom: 1.5rem;
        right: 1.5rem;
    }
    .back-to-top {
        bottom: 4.5rem;
        right: 1.5rem;
        width: 38px;
        height: 38px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }
    .hero-stats {
        gap: 1.5rem;
    }
    .stat-number {
        font-size: 2rem;
    }
    .razon-card {
        padding: 1.8rem 1.5rem;
    }
    .resultado-card {
        padding: 1.5rem;
    }
    .testimonio-card {
        padding: 1.8rem;
    }
}