/* ============================================
   DISEÑO NOBLE - STYLES.CSS
   Premium UI/UX para sector reformas
   ============================================ */

/* ============================================
   1. RESET Y VARIABLES
   ============================================ */

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

:root {
    /* Colores principales */
    --color-primary: #1a1a2e;
    --color-primary-light: #2d2d44;
    --color-secondary: #0f4c75;
    --color-accent: #3282b8;
    --color-accent-light: #bbe1fa;

    /* Colores de estado */
    --color-success: #10b981;
    --color-error: #ef4444;
    --color-warning: #f59e0b;

    /* Grises */
    --color-white: #ffffff;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;

    /* Tipografía */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;

    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Bordes */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;

    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Transiciones */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;

    /* Contenedor */
    --container-max-width: 1280px;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
    /* Offset para navbar sticky */
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

/* ============================================
   2. TIPOGRAFÍA
   ============================================ */

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: 2.5rem;
    font-weight: var(--font-weight-extrabold);
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

@media (min-width: 768px) {
    h1 {
        font-size: 3.5rem;
    }

    h2 {
        font-size: 2.5rem;
    }

    h3 {
        font-size: 1.75rem;
    }
}

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-secondary);
}

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

/* ============================================
   3. BOTONES
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    line-height: 1;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
    /* Prevent text wrapping inside buttons */
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 100%);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--color-white);
}

.btn-secondary {
    background-color: var(--color-white);
    color: var(--color-gray-800);
    border: 2px solid var(--color-gray-300);
}

.btn-secondary:hover {
    background-color: var(--color-gray-50);
    border-color: var(--color-gray-400);
    color: var(--color-gray-900);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-accent);
    border: 2px solid var(--color-accent);
}

.btn-outline:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.btn-text {
    background-color: transparent;
    color: var(--color-accent);
    padding: 0.5rem 0;
    font-weight: var(--font-weight-medium);
}

.btn-text:hover {
    color: var(--color-secondary);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* ============================================
   4. NAVEGACIÓN
   ============================================ */

.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-sm);
}

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

.logo {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

.logo-badge {
    font-size: 0.75rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.nav-links {
    display: none;
    align-items: center;
    gap: var(--spacing-lg);
}

@media (min-width: 1024px) {
    .nav-links {
        display: flex;
    }
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-700);
    transition: color var(--transition-fast);
}

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

.nav-cta {
    padding: 0.625rem 1.25rem;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 100%);
    color: var(--color-white);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    font-weight: var(--font-weight-semibold);
    transition: all var(--transition-base);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--color-white);
}

.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

@media (min-width: 1024px) {
    .mobile-menu-toggle {
        display: none;
    }
}

.mobile-menu-toggle span {
    width: 1.5rem;
    height: 2px;
    background-color: var(--color-gray-800);
    transition: all var(--transition-base);
}

/* ============================================
   5. HERO
   ============================================ */

.hero {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #f9fafb 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(50, 130, 184, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

@media (min-width: 768px) {
    .hero-content {
        gap: var(--spacing-lg);
    }
}

@media (min-width: 1024px) {
    .hero-content {
        grid-template-columns: 1.15fr 0.85fr;
        /* Give MORE space to text column (was 1fr 0.9fr) */
        gap: var(--spacing-xl);
    }
}

@media (min-width: 1280px) {
    .hero-content {
        grid-template-columns: 1.15fr 0.85fr;
        gap: var(--spacing-3xl);
    }
}

.hero-title {
    font-size: 2rem;
    font-weight: var(--font-weight-extrabold);
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
    word-wrap: break-word;
    /* Prevent overflow of long words */
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
        /* Reduced from 3.5rem to fit better */
    }
}

@media (min-width: 1280px) {
    .hero-title {
        font-size: 3.5rem;
        /* Original size only for large screens */
    }
}

.hero-subtitle {
    font-size: 1.125rem;
    line-height: 1.6;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
    max-width: 100%;
    /* Limit line length for readability */
}

.hero-description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xl);
    max-width: 100%;
    /* Limit line length for readability */
}

.hero-ctas {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    width: 100%;
}

@media (min-width: 640px) {
    .hero-ctas {
        flex-direction: row;
        flex-wrap: wrap;
        /* Allow wrapping on medium screens */
        gap: var(--spacing-md);
    }
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-card {
    background-color: var(--color-white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    padding: var(--spacing-lg);
    width: 100%;
    max-width: 500px;
    border: 1px solid var(--color-gray-200);
}

.hero-card-header {
    margin-bottom: var(--spacing-md);
}

.hero-card-badge {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 100%);
    color: var(--color-white);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
}

.progress-item {
    margin-bottom: var(--spacing-md);
}

.progress-item:last-child {
    margin-bottom: 0;
}

.progress-label {
    display: block;
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-700);
    margin-bottom: 0.5rem;
}

.progress-bar {
    height: 8px;
    background-color: var(--color-gray-200);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-secondary) 0%, var(--color-accent) 100%);
    border-radius: var(--radius-md);
    transition: width var(--transition-slow);
}

.progress-status {
    font-size: 0.75rem;
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.progress-status.completed {
    color: var(--color-success);
}

.progress-status.in-progress {
    color: var(--color-warning);
}

.progress-status.pending {
    color: var(--color-gray-400);
}

.hero-card-footer {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-gray-200);
}

.hero-card-info {
    font-size: 0.75rem;
    color: var(--color-gray-500);
}

/* ============================================
   6. BARRA DE CONFIANZA
   ============================================ */

.trust-bar {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-gray-50);
    border-bottom: 1px solid var(--color-gray-200);
}

.trust-metrics {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

@media (min-width: 640px) {
    .trust-metrics {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .trust-metrics {
        grid-template-columns: repeat(4, 1fr);
    }
}

.trust-metric {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.trust-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 100%);
    color: var(--color-white);
    border-radius: var(--radius-lg);
}

.trust-number {
    font-size: 1.75rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--color-primary);
    line-height: 1;
}

.trust-label {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    line-height: 1.3;
}

/* ============================================
   7. SECCIONES GENERALES
   ============================================ */

section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    margin-bottom: var(--spacing-xl);
}

.section-header.centered {
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--spacing-xl);
}

.section-badge {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    background-color: var(--color-accent-light);
    color: var(--color-secondary);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: 2rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
    .section-title {
        font-size: 2.5rem;
    }
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    line-height: 1.6;
}

/* ============================================
   8. PROBLEMA
   ============================================ */

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

.problem-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

@media (min-width: 768px) {
    .problem-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .problem-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.problem-card {
    padding: var(--spacing-lg);
    background-color: var(--color-gray-50);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.problem-card:hover {
    border-color: var(--color-error);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.problem-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.problem-icon.error {
    color: var(--color-error);
}

.problem-title {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-900);
    margin-bottom: 0.5rem;
}

.problem-text {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    line-height: 1.5;
}

.problem-conclusion {
    text-align: center;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 100%);
    border-radius: var(--radius-xl);
}

.conclusion-text {
    font-size: 1.25rem;
    color: var(--color-gray-700);
    line-height: 1.6;
    margin: 0;
}

/* ============================================
   9. SOLUCIÓN - REFORMA SEGURA 360
   ============================================ */

.solution-section {
    background: linear-gradient(180deg, var(--color-white) 0%, var(--color-gray-50) 100%);
}

.method-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
}

.method-intro-text {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    line-height: 1.7;
}

.pillars-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

@media (min-width: 1024px) {
    .pillars-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.pillar-card {
    position: relative;
    padding: var(--spacing-xl);
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-base);
}

.pillar-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.pillar-card.featured {
    border-color: var(--color-accent);
    background: linear-gradient(135deg, rgba(50, 130, 184, 0.05) 0%, var(--color-white) 100%);
}

.pillar-badge {
    position: absolute;
    top: -12px;
    right: var(--spacing-lg);
    padding: 0.375rem 0.875rem;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 100%);
    color: var(--color-white);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pillar-icon {
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
}

.pillar-title {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.pillar-subtitle {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
}

.pillar-features {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.pillar-features li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    font-size: 0.9375rem;
    color: var(--color-gray-700);
    line-height: 1.5;
}

.pillar-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: var(--font-weight-bold);
}

.pillar-stat {
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-gray-200);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    line-height: 1.4;
}

.method-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

@media (min-width: 640px) {
    .method-cta {
        flex-direction: row;
        justify-content: center;
    }
}

/* ============================================
   10. PRUEBA SOCIAL
   ============================================ */

.social-proof-section {
    background-color: var(--color-white);
}

.metrics-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

@media (min-width: 768px) {
    .metrics-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.metric-card {
    padding: var(--spacing-xl);
    background-color: var(--color-gray-50);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all var(--transition-base);
}

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

.metric-card.highlighted {
    background: linear-gradient(135deg, rgba(50, 130, 184, 0.1) 0%, var(--color-white) 100%);
    border-color: var(--color-accent);
}

.metric-number {
    font-size: 3rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.metric-label {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-800);
    margin-bottom: 0.5rem;
}

.metric-detail {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    line-height: 1.5;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

@media (min-width: 1024px) {
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.testimonial-card {
    padding: var(--spacing-xl);
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

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

.testimonial-rating {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

.testimonial-text {
    font-size: 1rem;
    color: var(--color-gray-700);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.author-name {
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-900);
    margin-bottom: 0.25rem;
}

.author-details {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    margin-bottom: 0.25rem;
}

.author-stats {
    font-size: 0.8125rem;
    color: var(--color-success);
    font-weight: var(--font-weight-medium);
}

.social-proof-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

@media (min-width: 640px) {
    .social-proof-cta {
        flex-direction: row;
        justify-content: center;
    }
}

/* ============================================
   11. SERVICIOS
   ============================================ */

.services-section {
    background: linear-gradient(180deg, var(--color-gray-50) 0%, var(--color-white) 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        /* 2x2 para mejor visibilidad en laptops */
    }
}

@media (min-width: 1400px) {

    /* Solo 4 columnas en pantallas muy grandes */
    .services-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.service-card {
    position: relative;
    padding: var(--spacing-xl);
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-accent);
}

.service-card.premium {
    border-color: var(--color-accent);
    background: linear-gradient(135deg, rgba(50, 130, 184, 0.05) 0%, var(--color-white) 100%);
}

.service-badge {
    position: absolute;
    top: -12px;
    right: var(--spacing-lg);
    padding: 0.375rem 0.875rem;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 100%);
    color: var(--color-white);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.service-title {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.service-description {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
}

.service-features {
    list-style: none;
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.service-features li {
    position: relative;
    padding-left: 1.25rem;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    color: var(--color-gray-700);
    line-height: 1.5;
}

.service-features li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: var(--font-weight-bold);
}

.service-price {
    font-size: 1.5rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--color-accent);
    margin-bottom: 0.25rem;
}

.service-timeline {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
}

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

/* ============================================
   12. PROCESO
   ============================================ */

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

.process-timeline {
    max-width: 900px;
    margin: 0 auto var(--spacing-xl);
}

.process-step {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.process-step:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 23px;
    top: 60px;
    width: 2px;
    height: calc(100% + var(--spacing-xl));
    background: linear-gradient(180deg, var(--color-accent) 0%, var(--color-gray-300) 100%);
}

.step-number {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 100%);
    color: var(--color-white);
    border-radius: 50%;
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    box-shadow: var(--shadow-md);
}

.step-content {
    padding: var(--spacing-md);
    background-color: var(--color-gray-50);
    border-radius: var(--radius-xl);
    border: 2px solid var(--color-gray-200);
    transition: all var(--transition-base);
}

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

.step-title {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.step-duration {
    font-size: 0.875rem;
    color: var(--color-accent);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-md);
}

.step-features {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.step-features li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    font-size: 0.9375rem;
    color: var(--color-gray-700);
    line-height: 1.5;
}

.step-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: var(--font-weight-bold);
}

.step-result {
    font-size: 0.9375rem;
    color: var(--color-gray-700);
    margin: 0;
}

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

/* ============================================
   13. DIFERENCIADORES
   ============================================ */

.differentiators-section {
    background: linear-gradient(180deg, var(--color-white) 0%, var(--color-gray-50) 100%);
}

.comparison-table {
    max-width: 1000px;
    margin: 0 auto var(--spacing-xl);
}

.comparison-row {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-xl);
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.comparison-header {
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.comparison-header h3 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

.comparison-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

@media (min-width: 768px) {
    .comparison-row {
        grid-template-columns: 1fr 1fr;
    }

    .comparison-header {
        grid-column: 1 / -1;
    }
}

.column-label {
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.comparison-column.others .column-label {
    color: var(--color-error);
}

.comparison-column.ours .column-label {
    color: var(--color-success);
}

.comparison-item {
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
}

.comparison-item.error {
    background-color: rgba(239, 68, 68, 0.05);
    border: 2px solid rgba(239, 68, 68, 0.2);
}

.comparison-item.success {
    background-color: rgba(16, 185, 129, 0.05);
    border: 2px solid rgba(16, 185, 129, 0.2);
}

.comparison-item .icon {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    display: block;
}

.comparison-item.error .icon {
    color: var(--color-error);
}

.comparison-item.success .icon {
    color: var(--color-success);
}

.comparison-item strong {
    display: block;
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-900);
}

.comparison-item ul {
    list-style: none;
}

.comparison-item ul li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    font-size: 0.9375rem;
    color: var(--color-gray-700);
    line-height: 1.5;
}

.comparison-item.error ul li::before {
    content: '✗';
    position: absolute;
    left: 0;
    color: var(--color-error);
}

.comparison-item.success ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
}

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

/* ============================================
   14. PORTFOLIO
   ============================================ */

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

.portfolio-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

@media (min-width: 1024px) {
    .portfolio-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.portfolio-card {
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

.portfolio-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-accent);
}

.portfolio-image {
    position: relative;
    height: 240px;
    background: linear-gradient(135deg, var(--color-gray-200) 0%, var(--color-gray-300) 100%);
}

.portfolio-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    padding: 0.375rem 0.875rem;
    background-color: var(--color-success);
    color: var(--color-white);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
}

.image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-600);
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform var(--transition-base);
}

.portfolio-card:hover .portfolio-image img {
    transform: scale(1.05);
}

.portfolio-content {
    padding: var(--spacing-lg);
}

.portfolio-title {
    font-size: 1.125rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.portfolio-specs {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
}

.portfolio-budget {
    padding: var(--spacing-md);
    background-color: var(--color-gray-50);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.budget-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.budget-label {
    color: var(--color-gray-600);
}

.budget-value {
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-900);
}

.budget-deviation {
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-gray-200);
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
    text-align: center;
}

.budget-deviation.success {
    color: var(--color-success);
}

.portfolio-testimonial {
    margin-bottom: var(--spacing-md);
}

.testimonial-quote {
    font-size: 0.875rem;
    color: var(--color-gray-700);
    font-style: italic;
    margin-bottom: 0.25rem;
}

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

.portfolio-filters-hint {
    margin-top: var(--spacing-md);
    text-align: center;
}

.portfolio-filters-hint p {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    margin: 0;
}

/* ============================================
   15. GARANTÍAS
   ============================================ */

.guarantees-section {
    background: linear-gradient(180deg, var(--color-gray-50) 0%, var(--color-white) 100%);
}

.guarantees-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

@media (min-width: 768px) {
    .guarantees-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .guarantees-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.guarantee-card {
    padding: var(--spacing-xl);
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.guarantee-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-accent);
}

.guarantee-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.guarantee-title {
    font-size: 1.125rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.guarantee-text {
    font-size: 0.9375rem;
    color: var(--color-gray-700);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.guarantee-fine-print {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    line-height: 1.4;
    font-style: italic;
}

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

/* ============================================
   16. CTA FINAL + CALCULADORA
   ============================================ */

.final-cta-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
}

.final-cta-section .section-title,
.final-cta-section .section-subtitle {
    color: var(--color-white);
}

.steps-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

@media (min-width: 768px) {
    .steps-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.step-card {
    padding: var(--spacing-lg) var(--spacing-md);
    background-color: rgba(255, 255, 255, 0.05);
    /* Más sutil */
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    text-align: center;
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    height: 100%;
    transition: transform var(--transition-base), background-color var(--transition-base);
}

.step-card:hover {
    transform: translateY(-5px);
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
}

.step-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.step-card .step-title {
    font-size: 1.125rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    margin-bottom: 0.5rem;
}

.step-description {
    font-size: 1rem;
    color: var(--color-white);
    margin-bottom: 0.5rem;
}

.step-detail {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
}

/* CALCULADORA EMBEBIDA */

.calculator-embed {
    max-width: 700px;
    margin: 0 auto;
    background-color: var(--color-white);
    border-radius: var(--radius-2xl);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    overflow: hidden;
    position: relative;
    z-index: 10;
}

.calculator-header {
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 100%);
    color: var(--color-white);
    text-align: center;
}

.calculator-title {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    margin-bottom: 0.5rem;
}

.calculator-subtitle {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
}

.calculator-body {
    padding: var(--spacing-xl);
}

.calculator-step {
    display: none;
}

.calculator-step.active {
    display: block;
}

.step-header {
    margin-bottom: var(--spacing-lg);
}

.step-counter {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    background-color: var(--color-accent-light);
    color: var(--color-secondary);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
}

.step-question {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin: 0;
}

.calculator-options {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

@media (min-width: 640px) {
    .calculator-options {
        grid-template-columns: repeat(2, 1fr);
    }
}

.calculator-option {
    padding: 2rem;
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-100);
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    min-height: 200px;
}

.calculator-option:hover {
    border-color: var(--color-accent);
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    background-color: #f0f9ff;
}

.calculator-option.selected {
    border-color: var(--color-accent);
    background-color: #f0f9ff;
    box-shadow: 0 0 0 3px rgba(50, 130, 184, 0.2);
}

.option-icon {
    font-size: 3.5rem;
    margin-bottom: 0.5rem;
}

.option-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-gray-900);
}

.option-price {
    font-size: 0.95rem;
    color: var(--color-accent);
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    background: rgba(50, 130, 184, 0.1);
    border-radius: 20px;
}

.option-subtitle {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-gray-600);
    font-weight: var(--font-weight-normal);
    margin-top: 0.25rem;
}

.option-detail {
    display: block;
    font-size: 0.75rem;
    color: var(--color-gray-500);
    margin-top: 0.375rem;
}

.step-subtitle {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    margin-top: 0.5rem;
    font-weight: var(--font-weight-normal);
}

/* Estilos para extras */
.extras-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.extra-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
}

.extra-option:hover {
    border-color: var(--color-accent);
    background-color: var(--color-gray-50);
}

.extra-option input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--color-accent);
}

.extra-content {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.extra-title {
    font-size: 0.9375rem;
    color: var(--color-gray-800);
    font-weight: var(--font-weight-medium);
}

.extra-price {
    font-size: 0.875rem;
    color: var(--color-accent);
    font-weight: var(--font-weight-semibold);
}

.calculator-next-btn {
    margin-top: 1.5rem;
}

.calculator-progress {
    margin-top: var(--spacing-lg);
}

.calculator-progress .progress-bar {
    height: 6px;
    background-color: var(--color-gray-200);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.calculator-progress .progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-secondary) 0%, var(--color-accent) 100%);
    transition: width var(--transition-slow);
}

.progress-text {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    text-align: center;
    display: block;
}

.calculator-footer {
    padding: var(--spacing-lg) var(--spacing-xl);
    background-color: var(--color-gray-50);
    border-top: 1px solid var(--color-gray-200);
}

.calculator-guarantees {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
}

.guarantee-item {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

/* CTA ALTERNATIVO */

.alternative-cta {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.alternative-text {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-md);
}

.alternative-info {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    margin-top: var(--spacing-sm);
}

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

.trust-items {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-lg);
}

.trust-item {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.9);
}

/* ============================================
   17. FOOTER
   ============================================ */

.footer {
    background-color: var(--color-primary);
    color: var(--color-gray-300);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-content {
        grid-template-columns: repeat(4, 1fr);
    }
}

.footer-title {
    font-size: 1.125rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.footer-text {
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
    transition: all var(--transition-base);
}

.social-link:hover {
    background-color: var(--color-accent);
    transform: translateY(-2px);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    font-size: 0.9375rem;
    color: var(--color-gray-300);
    transition: color var(--transition-fast);
}

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

.footer-contact {
    list-style: none;
}

.footer-contact li {
    margin-bottom: 0.75rem;
    font-size: 0.9375rem;
}

.footer-contact a {
    color: var(--color-gray-300);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        text-align: left;
    }
}

.footer-copyright {
    font-size: 0.875rem;
    color: var(--color-gray-400);
    margin: 0;
}

.footer-legal {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

@media (min-width: 768px) {
    .footer-legal {
        justify-content: flex-end;
    }
}

.footer-legal a {
    font-size: 0.875rem;
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

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

/* ============================================
   18. UTILIDADES
   ============================================ */

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

.mb-0 {
    margin-bottom: 0;
}

.mb-sm {
    margin-bottom: var(--spacing-sm);
}

.mb-md {
    margin-bottom: var(--spacing-md);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

.mb-xl {
    margin-bottom: var(--spacing-xl);
}

.mt-0 {
    margin-top: 0;
}

.mt-sm {
    margin-top: var(--spacing-sm);
}

.mt-md {
    margin-top: var(--spacing-md);
}

.mt-lg {
    margin-top: var(--spacing-lg);
}

.mt-xl {
    margin-top: var(--spacing-xl);
}

/* ============================================
   FILTERS (Portfolio)
   ============================================ */

.filter-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.25rem;
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-full);
    font-size: 0.9375rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-600);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background-color: var(--color-gray-50);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 100%);
    color: var(--color-white);
    border-color: transparent;
    box-shadow: var(--shadow-sm);
}

.filter-group {
    margin-bottom: var(--spacing-lg);
}

.filter-title {
    font-size: 0.875rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-sm);
}

.filter-options {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

/* ============================================
   PORTFOLIO PAGE (Enhanced)
   ============================================ */

.portfolio-hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    text-align: center;
}

.portfolio-hero .hero-title {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.portfolio-hero .hero-subtitle {
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
}

.portfolio-stats-grid {
    display: flex;
    justify-content: center;
    gap: var(--spacing-3xl);
    flex-wrap: wrap;
}

.p-stat-item {
    text-align: center;
}

.p-stat-value {
    font-size: 2.5rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--color-white);
    display: block;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.p-stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: var(--font-weight-medium);
}

.portfolio-filters-sticky {
    position: sticky;
    top: 70px;
    z-index: 100;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-sm);
}

.portfolio-grid-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    padding: var(--spacing-2xl) 0;
}

@media (min-width: 768px) {
    .portfolio-grid-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .portfolio-grid-cards {
        grid-template-columns: repeat(3, 1fr);
    }
}

.project-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-accent);
}

.project-image-box {
    height: 240px;
    overflow: hidden;
    position: relative;
    background: var(--color-gray-100);
}

.project-image-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-card:hover .project-image-box img {
    transform: scale(1.05);
}

.project-content-box {
    padding: var(--spacing-lg);
    flex-grow: 1;
}

.project-card-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--color-accent-light);
    color: var(--color-secondary);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
}

.project-card-title {
    font-size: 1.25rem;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.project-card-meta {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-md);
}

.project-card-stats {
    background: var(--color-gray-50);
    padding: 1rem;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
}

.stat-line {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

.stat-val {
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

.stat-val.success {
    color: var(--color-success);
}

.project-card-quote {
    font-size: 0.875rem;
    font-style: italic;
    color: var(--color-gray-600);
    border-left: 3px solid var(--color-accent);
    padding-left: 1rem;
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   FIXES Y AJUSTES DE DISEÑO
   ============================================ */

/* Solución solapamiento secciones */
.differentiators-section .section-header {
    margin-bottom: var(--spacing-3xl);
    position: relative;
    z-index: 10;
}

.comparison-table {
    position: relative;
    z-index: 5;
}

/* Contexto móvil persistente para comparativas */
@media (max-width: 767px) {
    .comparison-column .column-label {
        position: sticky;
        top: 70px;
        /* Debajo del navbar */
        background: var(--color-white);
        z-index: 20;
        padding: 0.75rem;
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-sm);
        margin-top: var(--spacing-md);
        margin-bottom: var(--spacing-sm);
    }

    .comparison-column.others .column-label {
        color: var(--color-error);
        border: 1px solid rgba(239, 68, 68, 0.2);
    }

    .comparison-column.ours .column-label {
        color: var(--color-success);
        border: 1px solid rgba(16, 185, 129, 0.2);
    }
}

/* Botones full-width para móviles */
@media (max-width: 640px) {
    .btn-block-mobile {
        width: 100%;
        display: flex;
        justify-content: center;
    }
}

/* ============================================
   NAVBAR DROPDOWN (Fixed & Robust)
   ============================================ */

.nav-item-dropdown {
    position: relative;
    display: flex;
    align-items: center;
    height: 100%;
    cursor: pointer;
}

.nav-item-dropdown>.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.dropdown-menu {
    visibility: hidden;
    opacity: 0;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: var(--color-white);
    min-width: 260px;
    box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--color-gray-100);
    border-radius: var(--radius-lg);
    padding: 0.5rem;
    z-index: 9999;
    transition: all 0.2s cubic-bezier(0.165, 0.84, 0.44, 1);
    pointer-events: none;
    /* Evita clicks cuando está oculto */
}

.nav-item-dropdown:hover .dropdown-menu {
    visibility: visible;
    opacity: 1;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

/* Espacio invisible para puente del hover */
.nav-item-dropdown::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    height: 20px;
    /* Bridge area */
}

.dropdown-item {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--color-gray-700);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all 0.15s ease;
    white-space: nowrap;
    /* Evita saltos de línea */
}

.dropdown-item:hover {
    background-color: var(--color-gray-50);
    color: var(--color-accent);
    transform: translateX(4px);
}

/* Mobile Submenu Adjustment */
@media (max-width: 1023px) {
    .nav-item-dropdown {
        display: block;
        width: 100%;
        height: auto;
    }

    .nav-item-dropdown>.nav-link {
        width: 100%;
        justify-content: space-between;
    }

    .dropdown-menu {
        position: static;
        visibility: visible;
        opacity: 1;
        transform: none;
        box-shadow: none;
        border: none;
        padding-left: 1rem;
        display: none;
        /* Oculto por defecto en móvil */
        min-width: 100%;
        margin-top: 0;
        pointer-events: auto;
        background: transparent;
    }

    .nav-item-dropdown:hover .dropdown-menu {
        display: block;
        transform: none;
    }

    .dropdown-item {
        padding: 0.5rem 1rem;
        color: var(--color-gray-600);
    }
}



/* ============================================
   FOOTER - Premium Design
   ============================================ */

.footer {
    background: radial-gradient(circle at 90% 0%, rgba(50, 130, 184, 0.15) 0%, transparent 50%),
        linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-top: 4px solid var(--color-accent);
    color: var(--color-white);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
    margin-top: var(--spacing-3xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

@media (min-width: 640px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-title {
    font-size: 1.125rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.footer p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.footer-tagline {
    color: var(--color-accent-light) !important;
    font-weight: var(--font-weight-medium);
    font-size: 0.875rem !important;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.625rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--color-accent-light);
    transform: translateX(4px);
}

.footer p a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
    text-align: center;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
    margin: 0;
}

.footer-legal {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
}

@media (min-width: 768px) {
    .footer-legal {
        justify-content: flex-end;
    }
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

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

/* ============================================
   ANIMATIONS & MICRO-INTERACTIONS
   ============================================ */

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

/* Smooth scroll reveal animations */
.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Button pulse on hover */
.btn-primary:active {
    animation: pulse 0.3s ease-in-out;
}

/* Card entrance animations */
.card-animate {
    opacity: 0;
    animation: fadeInUp 0.6s ease-out forwards;
}

.card-animate:nth-child(1) {
    animation-delay: 0.1s;
}

.card-animate:nth-child(2) {
    animation-delay: 0.2s;
}

.card-animate:nth-child(3) {
    animation-delay: 0.3s;
}

.card-animate:nth-child(4) {
    animation-delay: 0.4s;
}

.card-animate:nth-child(5) {
    animation-delay: 0.5s;
}

.card-animate:nth-child(6) {
    animation-delay: 0.6s;
}

/* ============================================
   19. OPTIMIZACIONES FINALES RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem !important;
    }

    .section-title {
        font-size: 2rem !important;
    }

    .portfolio-filters-sticky {
        top: 60px;
        overflow-x: auto;
        white-space: nowrap;
        padding-left: 1rem;
        padding-right: 1rem;
        -webkit-overflow-scrolling: touch;
    }

    .portfolio-stats-grid {
        gap: 1.5rem;
    }

    .navbar .container {
        padding: 0 1rem;
    }
}

@media (max-width: 480px) {
    .trust-metrics {
        grid-template-columns: 1fr;
    }

    .hero-ctas {
        flex-direction: column;
        width: 100%;
    }

    .btn-large {
        width: 100%;
    }
}

/* ============================================
   FLOATING WHATSAPP BUTTON
   ============================================ */

/* WhatsApp button - Fixed floating button for mobile/tablet */
a[aria-label="Contactar por WhatsApp"] {
    position: fixed !important;
    bottom: 24px !important;
    right: 24px !important;
    z-index: 50 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 56px !important;
    height: 56px !important;
    background-color: #25D366 !important;
    border-radius: 9999px !important;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05) !important;
    transition: all 0.3s ease-in-out !important;
}

a[aria-label="Contactar por WhatsApp"]:hover {
    transform: scale(1.1) !important;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25) !important;
}

a[aria-label="Contactar por WhatsApp"] svg {
    width: 32px !important;
    height: 32px !important;
    flex-shrink: 0 !important;
}

/* Hide on desktop (768px and above) */
@media (min-width: 768px) {
    a[aria-label="Contactar por WhatsApp"] {
        display: none !important;
    }
}

/* ============================================
   RESPONSIVE MOBILE MENU - HAMBURGER
   ============================================ */

/* TABLET & MOBILE: Show hamburger, hide desktop nav */
@media (max-width: 1023px) {

    /* Show hamburger button */
    .mobile-menu-toggle {
        display: flex !important;
        flex-direction: column;
        justify-content: space-around;
        width: 32px;
        height: 32px;
        background: transparent;
        border: none;
        cursor: pointer;
        padding: 4px;
        z-index: 1001;
    }

    .mobile-menu-toggle span {
        width: 100%;
        height: 3px;
        background: var(--color-primary, #1a1a2e);
        border-radius: 2px;
        transition: all 0.3s ease;
        display: block;
    }

    /* Hamburger to X animation */
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    /* Hide desktop nav by default, show as dropdown when active */
    .nav-links {
        display: none !important;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #ffffff;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        flex-direction: column;
        padding: 1rem 0;
        z-index: 1000;
        max-height: calc(100vh - 80px);
        overflow-y: auto;
    }

    .nav-links.active {
        display: flex !important;
    }

    /* Stack nav items vertically */
    .nav-links .nav-link,
    .nav-links .nav-cta {
        padding: 1rem 1.5rem !important;
        width: 100%;
        text-align: left;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        display: block;
    }

    .nav-links .nav-cta {
        margin: 0.5rem 1rem;
        width: calc(100% - 2rem);
        text-align: center;
    }

    /* Dropdown submenu in mobile */
    .nav-item-dropdown {
        width: 100%;
    }

    .nav-item-dropdown .dropdown-menu {
        position: static !important;
        box-shadow: none;
        background: rgba(0, 0, 0, 0.02);
        display: none;
        padding-left: 1rem;
        border: none;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease-in-out;
    }

    /* Mostrar dropdown cuando está activo */
    .nav-item-dropdown.active .dropdown-menu {
        display: block !important;
        max-height: 500px;
    }

    .nav-item-dropdown .dropdown-item {
        padding: 0.75rem 1rem;
        display: block;
    }

    /* Indicador visual para dropdown en móvil */
    .nav-item-dropdown>.nav-link {
        position: relative;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .nav-item-dropdown>.nav-link::after {
        content: '▾';
        margin-left: 0.5rem;
        transition: transform 0.3s ease;
        display: inline-block;
    }

    .nav-item-dropdown.active>.nav-link::after {
        transform: rotate(180deg);
    }


    /* Navbar positioning */
    .navbar {
        position: sticky;
        top: 0;
        z-index: 1000;
    }

    .navbar-content {
        position: relative;
    }
}

/* DESKTOP: Show nav, hide hamburger */
@media (min-width: 1024px) {
    .mobile-menu-toggle {
        display: none !important;
    }

    .nav-links {
        display: flex !important;
        position: static;
        flex-direction: row;
        background: transparent;
        box-shadow: none;
        padding: 0;
    }

    .nav-links .nav-link,
    .nav-links .nav-cta {
        width: auto;
        border-bottom: none;
    }

    .nav-item-dropdown .dropdown-menu {
        position: absolute !important;
    }
}