/* ==========================================================================
   PROYECTOS ENCO - CLEAN INDUSTRIAL CATERPILLAR THEME (WHITE + BLACK + YELLOW)
   ========================================================================== */

:root {
    /* Color Palette */
    --cat-yellow: #FFC800;         /* Caterpillar Heavy-Duty Yellow */
    --cat-yellow-hover: #E6B400;   /* Slightly darker yellow for hover state */
    --cat-yellow-light: #FFF8DF;   /* Very soft yellow background tint */
    --cat-black: #0D0D0D;          /* Deep midnight industrial black */
    --cat-dark-gray: #1E2229;     /* Slate graphite for secondary headers */
    --cat-medium-gray: #4A5568;   /* Readable body text color */
    --cat-light-gray: #F7F8FA;    /* Clean section background */
    --cat-border-gray: #E2E8F0;   /* Subtle crisp border line */
    --cat-white: #FFFFFF;         /* Crisp pure white background */
    --primary-red: #FA1200;        /* Logo subtle red accent tag */
    
    /* Typography */
    --font-heading: 'Outfit', 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'Space Grotesk', monospace;
    
    /* Layout & Shadows */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.04);
    --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.06);
    --shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.12);
    --shadow-yellow: 0 10px 25px rgba(255, 200, 0, 0.35);
    
    --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Global Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--cat-white);
    color: var(--cat-medium-gray);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--cat-black);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.15;
}

p {
    color: var(--cat-medium-gray);
}

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

ul {
    list-style: none;
}

.text-center { text-align: center; }
.w-100 { width: 100%; }

/* Utility Highlighting & Pills */
.highlight-yellow {
    color: var(--cat-black);
    background: linear-gradient(120deg, var(--cat-yellow) 0%, var(--cat-yellow) 100%);
    background-repeat: no-repeat;
    background-size: 100% 40%;
    background-position: 0 88%;
}

.highlight-yellow-bg {
    background-color: var(--cat-yellow);
    color: var(--cat-black);
    padding: 0.1em 0.3em;
    border-radius: var(--radius-sm);
}

.sub-header-pill {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--cat-black);
    background-color: var(--cat-yellow);
    padding: 0.35rem 0.9rem;
    border-radius: 50px;
    margin-bottom: 1rem;
}

.caterpillar-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--cat-black);
    background-color: var(--cat-yellow);
    padding: 0.4rem 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
}

.badge-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--cat-black);
    background: rgba(255, 200, 0, 0.2);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: #10B981;
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    animation: pulseGlow 2s infinite;
}

@keyframes pulseGlow {
    0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
    100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* ==========================================================================
   BUTTON STYLES (Industrial & High Contrast)
   ========================================================================== */
.btn-caterpillar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background-color: var(--cat-yellow);
    color: var(--cat-black);
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 0.95rem;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    padding: 1rem 2rem;
    border-radius: var(--radius-sm);
    border: 2px solid var(--cat-yellow);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-yellow);
}

.btn-caterpillar:hover {
    background-color: var(--cat-yellow-hover);
    border-color: var(--cat-yellow-hover);
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(255, 200, 0, 0.45);
}

.btn-outline-dark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background-color: transparent;
    color: var(--cat-black);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    padding: 1rem 2rem;
    border-radius: var(--radius-sm);
    border: 2px solid var(--cat-black);
    cursor: pointer;
    transition: var(--transition);
}

.btn-outline-dark:hover {
    background-color: var(--cat-black);
    color: var(--cat-white);
    transform: translateY(-2px);
}

.btn-block-yellow {
    display: block;
    width: 100%;
    text-align: center;
    background-color: var(--cat-yellow);
    color: var(--cat-black);
    font-family: var(--font-heading);
    font-weight: 800;
    padding: 0.9rem 1.5rem;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-block-yellow:hover {
    background-color: var(--cat-yellow-hover);
    transform: translateY(-2px);
}

.btn-primary-yellow {
    background-color: var(--cat-yellow);
    color: var(--cat-black) !important;
    font-weight: 800 !important;
    padding: 0.65rem 1.4rem;
    border-radius: var(--radius-sm);
    border: 2px solid var(--cat-yellow);
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary-yellow:hover {
    background-color: var(--cat-black);
    color: var(--cat-yellow) !important;
    border-color: var(--cat-black);
}

/* ==========================================================================
   TOP BAR & NAVBAR
   ========================================================================== */
.top-bar {
    background-color: var(--cat-black);
    color: var(--cat-white);
    padding: 0.5rem 5%;
    font-size: 0.8rem;
    border-bottom: 2px solid var(--cat-yellow);
}

.top-bar-container {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.top-contacts {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.top-contacts a {
    color: #CBD5E1;
    transition: color 0.2s ease;
}

.top-contacts a:hover {
    color: var(--cat-yellow);
}

.navbar-header {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--cat-white);
    box-shadow: var(--shadow-subtle);
    z-index: 1000;
    border-bottom: 1px solid var(--cat-border-gray);
    transition: var(--transition);
}

.navbar-container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 1rem 3%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
}

.enco-logo {
    height: 65px;
    object-fit: contain;
    transition: var(--transition);
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 900;
    color: var(--cat-black);
    letter-spacing: 0.05em;
    line-height: 1;
}

.brand-subtitle {
    font-size: 0.68rem;
    font-weight: 700;
    color: var(--cat-medium-gray);
    letter-spacing: 0.08em;
    margin-top: 3px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-link {
    font-family: var(--font-heading);
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--cat-black);
    position: relative;
    padding: 0.3rem 0;
    transition: color 0.2s ease;
    white-space: nowrap;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background-color: var(--cat-yellow);
    transition: width 0.3s ease;
}

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

.nav-link.highlight-link {
    color: var(--cat-black);
    background-color: rgba(255, 200, 0, 0.18);
    padding: 0.35rem 0.8rem;
    border-radius: var(--radius-sm);
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--cat-black);
    border-radius: 2px;
}

/* ==========================================================================
   HERO SECTION (Clean White background with Interactive Canvas)
   ========================================================================== */
.hero-section {
    position: relative;
    background-color: var(--cat-white);
    padding: 5rem 5% 6rem;
    min-height: 85vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    border-bottom: 1px solid var(--cat-border-gray);
}

.hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    opacity: 0.65;
}

.hero-container {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
    width: 100%;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background-color: var(--cat-light-gray);
    border: 1px solid var(--cat-border-gray);
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.8rem;
}

.caterpillar-pill {
    background-color: var(--cat-yellow);
    color: var(--cat-black);
    font-family: var(--font-mono);
    font-weight: 800;
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
    border-radius: 2px;
}

.hero-badge-text {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--cat-black);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.08;
    color: var(--cat-black);
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

.hero-description {
    font-size: 1.15rem;
    line-height: 1.6;
    color: var(--cat-medium-gray);
    margin-bottom: 2.5rem;
    max-width: 90%;
}

.hero-actions {
    display: flex;
    gap: 1.2rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.hero-guarantees {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.guarantee-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--cat-black);
}

.check-icon {
    width: 18px;
    height: 18px;
    color: var(--cat-yellow);
    background-color: var(--cat-black);
    border-radius: 50%;
    padding: 3px;
}

/* Industrial Card in Hero */
.industrial-card {
    background-color: var(--cat-white);
    border: 2px solid var(--cat-black);
    border-radius: var(--radius-md);
    box-shadow: 12px 12px 0px var(--cat-yellow);
    overflow: hidden;
}

.card-header-stripe {
    height: 10px;
    background: repeating-linear-gradient(
        -45deg,
        var(--cat-yellow),
        var(--cat-yellow) 15px,
        var(--cat-black) 15px,
        var(--cat-black) 30px
    );
}

.industrial-card-body {
    padding: 2.2rem;
}

.tech-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--cat-black);
    background-color: var(--cat-light-gray);
    padding: 0.3rem 0.7rem;
    border-radius: 50px;
    margin-bottom: 1.2rem;
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: #10B981;
    border-radius: 50%;
}

.industrial-card-body h3 {
    font-size: 1.35rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.8rem;
    border-bottom: 1px solid var(--cat-border-gray);
}

.tech-specs-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.8rem;
}

.spec-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.88rem;
}

.spec-label {
    color: var(--cat-medium-gray);
}

.spec-value {
    font-weight: 700;
    color: var(--cat-black);
}

.tech-metric-card {
    background-color: var(--cat-light-gray);
    border-left: 4px solid var(--cat-yellow);
    padding: 1.2rem;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin-bottom: 1.8rem;
}

.metric-number {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 900;
    color: var(--cat-black);
    line-height: 1;
}

.metric-label {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--cat-medium-gray);
    text-transform: uppercase;
    margin-top: 4px;
}

/* ==========================================================================
   METRICS STRIPE
   ========================================================================== */
.metrics-stripe {
    background-color: var(--cat-light-gray);
    border-bottom: 1px solid var(--cat-border-gray);
    padding: 2.5rem 5%;
}

.stripe-container {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.stripe-metric {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.stripe-num {
    font-family: var(--font-heading);
    font-size: 2.6rem;
    font-weight: 900;
    color: var(--cat-black);
    line-height: 1;
    background-color: var(--cat-yellow);
    padding: 0.1em 0.3em;
    border-radius: var(--radius-sm);
    margin-bottom: 0.4rem;
}

.stripe-desc {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--cat-black);
    max-width: 200px;
}

.stripe-divider {
    width: 1px;
    height: 50px;
    background-color: var(--cat-border-gray);
}

/* ==========================================================================
   SERVICES SECTION (Clean Cards, Interactive Modals)
   ========================================================================== */
.section-padding {
    padding: 6rem 5%;
}

.section-container {
    max-width: 1280px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.6rem;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--cat-medium-gray);
    max-width: 650px;
    margin: 0 auto 3.5rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card-clean {
    background-color: var(--cat-white);
    border: 1px solid var(--cat-border-gray);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-subtle);
}

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

.highlight-service-card {
    border: 2px solid var(--cat-black);
    box-shadow: 8px 8px 0px var(--cat-yellow);
}

.badge-featured {
    position: absolute;
    top: -14px;
    right: 20px;
    background-color: var(--cat-yellow);
    color: var(--cat-black);
    font-family: var(--font-mono);
    font-weight: 800;
    font-size: 0.7rem;
    padding: 0.3rem 0.8rem;
    border-radius: 50px;
    border: 1px solid var(--cat-black);
}

.service-top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.8rem;
}

.service-num {
    font-family: var(--font-mono);
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--cat-black);
    opacity: 0.25;
}

.service-icon-box {
    width: 60px;
    height: 60px;
    background-color: var(--cat-light-gray);
    border: 1px solid var(--cat-border-gray);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cat-black);
    transition: var(--transition);
}

.service-card-clean:hover .service-icon-box {
    background-color: var(--cat-yellow);
    border-color: var(--cat-yellow);
}

.service-card-title {
    font-size: 1.5rem;
    margin-bottom: 0.8rem;
}

.service-card-desc {
    font-size: 0.95rem;
    color: var(--cat-medium-gray);
    margin-bottom: 1.8rem;
}

.service-item-list {
    margin-bottom: 2rem;
    flex-grow: 1;
}

.service-item-list li {
    font-size: 0.92rem;
    color: var(--cat-black);
    padding-left: 1.4rem;
    position: relative;
    margin-bottom: 0.7rem;
    font-weight: 500;
}

.service-item-list li::before {
    content: '▪';
    color: var(--cat-yellow);
    font-size: 1.2rem;
    position: absolute;
    left: 0;
    top: -2px;
}

.btn-service-detail {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    background-color: var(--cat-light-gray);
    color: var(--cat-black);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9rem;
    padding: 0.9rem 1.2rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--cat-border-gray);
    cursor: pointer;
    transition: var(--transition);
}

.btn-service-detail:hover {
    background-color: var(--cat-black);
    color: var(--cat-white);
    border-color: var(--cat-black);
}

.btn-service-detail.yellow-variant {
    background-color: var(--cat-yellow);
    border-color: var(--cat-yellow);
}

.btn-service-detail.yellow-variant:hover {
    background-color: var(--cat-black);
    color: var(--cat-yellow);
}

/* ==========================================================================
   ESTIMATOR / COTIZADOR INTERACTIVO SECTION
   ========================================================================== */
.estimator-section {
    background-color: var(--cat-light-gray);
    border-top: 1px solid var(--cat-border-gray);
    border-bottom: 1px solid var(--cat-border-gray);
}

.estimator-wrapper {
    background-color: var(--cat-white);
    border: 2px solid var(--cat-black);
    border-radius: var(--radius-xl);
    padding: 3.5rem 3rem;
    box-shadow: var(--shadow-card);
}

.estimator-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3.5rem;
    margin-top: 2.5rem;
}

.control-group {
    margin-bottom: 2.2rem;
}

.control-label {
    display: block;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 800;
    color: var(--cat-black);
    margin-bottom: 1rem;
}

.chip-selector {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.chip-btn {
    background-color: var(--cat-light-gray);
    border: 1px solid var(--cat-border-gray);
    color: var(--cat-black);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.88rem;
    padding: 0.8rem 1rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    text-align: left;
}

.chip-btn.active, .chip-btn:hover {
    background-color: var(--cat-yellow);
    border-color: var(--cat-yellow);
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(255, 200, 0, 0.3);
}

.slider-label-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.slider-val-display {
    font-family: var(--font-mono);
    font-size: 1.3rem;
    font-weight: 900;
    color: var(--cat-black);
    background-color: var(--cat-yellow);
    padding: 0.2rem 0.8rem;
    border-radius: var(--radius-sm);
}

.custom-range {
    width: 100%;
    height: 10px;
    background: #E2E8F0;
    border-radius: 5px;
    outline: none;
    accent-color: var(--cat-yellow);
    cursor: pointer;
    margin: 1rem 0 0.5rem;
}

.range-ticks {
    display: flex;
    justify-content: space-between;
    font-size: 0.78rem;
    color: var(--cat-medium-gray);
    font-family: var(--font-mono);
}

.checkbox-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.custom-checkbox {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    color: var(--cat-black);
    cursor: pointer;
    user-select: none;
}

.custom-checkbox input {
    display: none;
}

.checkmark {
    width: 22px;
    height: 22px;
    border: 2px solid var(--cat-black);
    border-radius: var(--radius-sm);
    background-color: var(--cat-white);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.custom-checkbox input:checked ~ .checkmark {
    background-color: var(--cat-yellow);
}

.custom-checkbox input:checked ~ .checkmark::after {
    content: '✓';
    font-weight: 900;
    color: var(--cat-black);
}

/* Result Panel */
.result-card {
    background-color: var(--cat-black);
    color: var(--cat-white);
    border-radius: var(--radius-lg);
    padding: 2.2rem;
    box-shadow: 10px 10px 0px var(--cat-yellow);
}

.result-badge {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 800;
    color: var(--cat-black);
    background-color: var(--cat-yellow);
    padding: 0.25rem 0.6rem;
    border-radius: 2px;
}

.result-card-header h4 {
    color: var(--cat-white);
    font-size: 1.4rem;
    margin-top: 0.8rem;
    margin-bottom: 1.5rem;
}

.result-metrics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    background-color: var(--cat-dark-gray);
    padding: 1.2rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.8rem;
}

.res-metric {
    display: flex;
    flex-direction: column;
}

.res-label {
    font-size: 0.72rem;
    color: #94A3B8;
    text-transform: uppercase;
}

.res-val {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--cat-yellow);
    margin-top: 4px;
}

.result-deliverable-summary h5 {
    color: #E2E8F0;
    font-size: 0.95rem;
    margin-bottom: 0.8rem;
}

.result-deliverable-summary ul {
    margin-bottom: 2rem;
}

.result-deliverable-summary li {
    font-size: 0.85rem;
    color: #CBD5E1;
    padding-left: 1.2rem;
    position: relative;
    margin-bottom: 0.5rem;
}

.result-deliverable-summary li::before {
    content: '✓';
    color: var(--cat-yellow);
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* ==========================================================================
   ABOUT SECTION & INDUSTRIAL VALUES
   ========================================================================== */
.about-section {
    background-color: var(--cat-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.about-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.about-lead {
    font-size: 1.1rem;
    color: var(--cat-medium-gray);
    margin-bottom: 2.2rem;
}

.feature-checklist {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature-check-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.check-box-yellow {
    width: 36px;
    height: 36px;
    background-color: var(--cat-yellow);
    color: var(--cat-black);
    font-weight: 900;
    font-size: 1.2rem;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-check-item h4 {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.feature-check-item p {
    font-size: 0.92rem;
}

.industrial-frame {
    background-color: var(--cat-light-gray);
    border: 2px solid var(--cat-black);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: 12px 12px 0px var(--cat-yellow);
}

.industrial-frame-inner {
    border: 1px dashed #CBD5E1;
    border-radius: var(--radius-lg);
    padding: 2rem;
    position: relative;
    background-color: var(--cat-white);
    min-height: 380px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.equipment-badge {
    display: flex;
    align-items: center;
    gap: 1rem;
    background-color: var(--cat-black);
    color: var(--cat-white);
    padding: 1rem 1.2rem;
    border-radius: var(--radius-md);
}

.eq-icon {
    font-size: 1.8rem;
}

.equipment-badge strong {
    display: block;
    font-size: 0.9rem;
    color: var(--cat-yellow);
}

.equipment-badge span {
    font-size: 0.78rem;
    color: #94A3B8;
}

.tech-blueprint-graphic {
    position: relative;
    height: 200px;
    background-color: var(--cat-light-gray);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-top: 1rem;
}

.blueprint-line {
    position: absolute;
    height: 3px;
    background: repeating-linear-gradient(90deg, var(--cat-yellow), var(--cat-yellow) 10px, transparent 10px, transparent 20px);
}

.line-1 { top: 30%; left: 10%; width: 80%; }
.line-2 { top: 60%; left: 15%; width: 70%; }
.line-3 { top: 45%; left: 30%; width: 50%; transform: rotate(15deg); }

.node {
    position: absolute;
    background-color: var(--cat-black);
    color: var(--cat-yellow);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 800;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    border: 1px solid var(--cat-yellow);
}

.node-1 { top: 22%; left: 15%; }
.node-2 { top: 52%; left: 65%; }
.node-3 { top: 70%; left: 35%; }

/* ==========================================================================
   PORTFOLIO & PROJECTS SHOWCASE
   ========================================================================== */
.projects-section {
    background-color: var(--cat-light-gray);
    border-top: 1px solid var(--cat-border-gray);
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    background-color: var(--cat-white);
    border: 1px solid var(--cat-border-gray);
    color: var(--cat-black);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9rem;
    padding: 0.6rem 1.4rem;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn.active, .filter-btn:hover {
    background-color: var(--cat-black);
    color: var(--cat-yellow);
    border-color: var(--cat-black);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.portfolio-card {
    background-color: var(--cat-white);
    border: 1px solid var(--cat-border-gray);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-subtle);
}

.portfolio-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-card);
    border-color: var(--cat-black);
}

.portfolio-img-box {
    height: 200px;
    background-color: #E2E8F0;
    position: relative;
    background-size: cover;
    background-position: center;
}

.img-p1 {
    background-image: linear-gradient(180deg, rgba(13,13,13,0.1) 0%, rgba(13,13,13,0.6) 100%), url('../assets/images/p1-fibra-odn.jpg');
    background-size: cover;
    background-position: top center;
}

.img-p2 {
    background-image: linear-gradient(180deg, rgba(13,13,13,0.1) 0%, rgba(13,13,13,0.6) 100%), url('../assets/images/p2-radiodeteccion.jpg');
    background-size: cover;
    background-position: top center;
}

.img-p3 {
    background-image: linear-gradient(180deg, rgba(13,13,13,0.1) 0%, rgba(13,13,13,0.6) 100%), url('../assets/images/p3-sala-core.jpg');
    background-size: cover;
    background-position: top center;
}

.img-p4 {
    background-image: linear-gradient(180deg, rgba(13,13,13,0.1) 0%, rgba(13,13,13,0.6) 100%), url('../assets/images/p4-red-ftth.jpg');
    background-size: cover;
    background-position: top center;
}

.port-tag {
    position: absolute;
    top: 15px;
    left: 15px;
    background-color: var(--cat-black);
    color: var(--cat-yellow);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 800;
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-sm);
}

.portfolio-info {
    padding: 1.5rem;
}

.portfolio-info h4 {
    font-size: 1.15rem;
    margin-bottom: 0.6rem;
}

.portfolio-info p {
    font-size: 0.88rem;
    color: var(--cat-medium-gray);
    margin-bottom: 1.2rem;
}

.port-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--cat-black);
    border-top: 1px solid var(--cat-border-gray);
    padding-top: 0.8rem;
}

/* ==========================================================================
   CATALOG SECTION
   ========================================================================== */
.catalog-section {
    background-color: var(--cat-white);
}

.catalog-card-banner {
    background-color: var(--cat-black);
    color: var(--cat-white);
    border-radius: var(--radius-xl);
    padding: 4rem 3.5rem;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
    align-items: center;
    box-shadow: 12px 12px 0px var(--cat-yellow);
}

.catalog-badge {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--cat-black);
    background-color: var(--cat-yellow);
    padding: 0.3rem 0.7rem;
    border-radius: var(--radius-sm);
    display: inline-block;
    margin-bottom: 1.2rem;
}

.catalog-content h2 {
    color: var(--cat-white);
    font-size: 2.3rem;
    line-height: 1.35;
    margin-bottom: 1.2rem;
}

.catalog-content h2 .highlight-yellow {
    display: inline-block;
    margin-top: 0.4rem;
    padding: 0.1em 0.35em;
    background: var(--cat-yellow);
    border-radius: var(--radius-sm);
}

.catalog-content p {
    color: #94A3B8;
    font-size: 1.05rem;
    margin-bottom: 2.2rem;
}

.catalog-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-outline-white {
    background-color: transparent;
    color: var(--cat-white);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.92rem;
    padding: 0.9rem 1.6rem;
    border-radius: var(--radius-sm);
    border: 2px solid var(--cat-white);
    cursor: pointer;
    transition: var(--transition);
}

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

.pdf-preview-box {
    background-color: var(--cat-white);
    border-radius: var(--radius-md);
    padding: 1rem;
    transform: rotate(3deg);
    transition: var(--transition);
}

.pdf-preview-box:hover {
    transform: rotate(0deg) scale(1.03);
}

.pdf-cover {
    border: 2px solid var(--cat-black);
    border-radius: var(--radius-sm);
    padding: 2.5rem 1.8rem;
    text-align: center;
    background-color: var(--cat-light-gray);
}

.pdf-logo {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 1.1rem;
    color: var(--cat-black);
    margin-bottom: 1.5rem;
}

.pdf-title {
    font-size: 1.4rem;
    font-weight: 900;
    color: var(--cat-black);
    background-color: var(--cat-yellow);
    padding: 0.3rem 0.5rem;
}

.pdf-sub {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--cat-medium-gray);
    margin-top: 0.5rem;
}

.pdf-year {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    margin-top: 2rem;
    color: var(--cat-black);
    font-weight: 800;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-section {
    background-color: var(--cat-light-gray);
    border-top: 1px solid var(--cat-border-gray);
}

.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 4rem;
}

.contact-title {
    font-size: 2.4rem;
    margin-bottom: 1rem;
}

.contact-desc {
    font-size: 1.05rem;
    color: var(--cat-medium-gray);
    margin-bottom: 2.5rem;
}

.contact-details-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-detail-card {
    display: flex;
    gap: 1.2rem;
    align-items: center;
    background-color: var(--cat-white);
    border: 1px solid var(--cat-border-gray);
    padding: 1.2rem;
    border-radius: var(--radius-md);
}

.contact-icon-yellow {
    width: 45px;
    height: 45px;
    background-color: var(--cat-yellow);
    color: var(--cat-black);
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.contact-detail-card h5 {
    font-size: 1rem;
    margin-bottom: 0.2rem;
}

.contact-detail-card p {
    font-size: 0.88rem;
    color: var(--cat-medium-gray);
}

.clean-form-card {
    background-color: var(--cat-white);
    border: 2px solid var(--cat-black);
    border-radius: var(--radius-xl);
    padding: 3rem;
    box-shadow: 10px 10px 0px var(--cat-yellow);
}

.clean-form-card h3 {
    font-size: 1.6rem;
    margin-bottom: 0.4rem;
}

.clean-form-card > p {
    font-size: 0.92rem;
    margin-bottom: 2rem;
}

.form-row-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.2rem;
}

.input-group {
    margin-bottom: 1.4rem;
}

.input-group label {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--cat-black);
    margin-bottom: 0.5rem;
}

.input-group input,
.input-group select,
.input-group textarea {
    width: 100%;
    padding: 0.9rem 1rem;
    border: 1px solid var(--cat-border-gray);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--cat-black);
    background-color: var(--cat-light-gray);
    transition: var(--transition);
}

.input-group input:focus,
.input-group select:focus,
.input-group textarea:focus {
    outline: none;
    background-color: var(--cat-white);
    border-color: var(--cat-black);
    box-shadow: 0 0 0 3px rgba(255, 200, 0, 0.4);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.main-footer {
    background-color: var(--cat-black);
    color: var(--cat-white);
    padding: 5rem 5% 2rem;
    border-top: 4px solid var(--cat-yellow);
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-logo {
    height: 55px;
    margin-bottom: 1.2rem;
}

.footer-brand p {
    color: #94A3B8;
    font-size: 0.9rem;
    max-width: 320px;
}

.footer-links-col h4 {
    color: var(--cat-white);
    font-size: 1.05rem;
    margin-bottom: 1.2rem;
}

.footer-links-col ul li {
    margin-bottom: 0.6rem;
}

.footer-links-col ul a {
    color: #CBD5E1;
    font-size: 0.88rem;
    transition: color 0.2s ease;
}

.footer-links-col ul a:hover {
    color: var(--cat-yellow);
}

.footer-links-col p {
    color: #CBD5E1;
    font-size: 0.88rem;
    margin-bottom: 0.4rem;
}

.footer-bottom {
    border-top: 1px solid var(--cat-dark-gray);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: #94A3B8;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-status-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--cat-yellow);
}

.green-dot {
    width: 8px;
    height: 8px;
    background-color: #10B981;
    border-radius: 50%;
}

/* ==========================================================================
   MODALS & FLOATING WHATSAPP
   ========================================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(13, 13, 13, 0.8);
    backdrop-filter: blur(4px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.modal-overlay.active {
    display: flex;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-card {
    background-color: var(--cat-white);
    border: 2px solid var(--cat-black);
    border-radius: var(--radius-xl);
    padding: 3rem;
    max-width: 650px;
    width: 100%;
    position: relative;
    box-shadow: 12px 12px 0px var(--cat-yellow);
    max-height: 90vh;
    overflow-y: auto;
}

.wide-modal {
    max-width: 950px;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--cat-light-gray);
    border: 1px solid var(--cat-border-gray);
    font-size: 1.8rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    line-height: 1;
}

.catalog-modal-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin: 2rem 0;
}

.cat-modal-col h4 {
    font-size: 1.1rem;
    background-color: var(--cat-yellow);
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
}

.cat-modal-col ul li {
    font-size: 0.85rem;
    margin-bottom: 0.6rem;
    padding-left: 1rem;
    position: relative;
}

.cat-modal-col ul li::before {
    content: '•';
    color: var(--cat-black);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 62px;
    height: 62px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.45);
    z-index: 1500;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid #FFFFFF;
}

.whatsapp-float:hover {
    transform: scale(1.12) translateY(-4px);
    box-shadow: 0 15px 35px rgba(37, 211, 102, 0.65);
}

/* ==========================================================================
   FOOTER NEWSLETTER
   ========================================================================== */
.footer-newsletter-col {
    max-width: 320px;
}

.newsletter-input-group {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.8rem;
    margin-bottom: 0.5rem;
}

.newsletter-input-group input {
    background-color: var(--cat-dark-gray);
    border: 1px solid #334155;
    color: var(--cat-white);
    padding: 0.65rem 0.9rem;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    flex-grow: 1;
    min-width: 0;
}

.newsletter-input-group input:focus {
    outline: none;
    border-color: var(--cat-yellow);
    box-shadow: 0 0 0 2px rgba(255, 200, 0, 0.3);
}

.btn-newsletter {
    background-color: var(--cat-yellow);
    color: var(--cat-black);
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 0.78rem;
    padding: 0.65rem 1rem;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: var(--transition);
    flex-shrink: 0;
}

.btn-newsletter:hover {
    background-color: var(--cat-yellow-hover);
    transform: translateY(-2px);
}

.newsletter-note {
    font-size: 0.72rem;
    color: #64748B;
    display: block;
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 992px) {
    .hero-container, .estimator-grid, .about-grid, .contact-grid, .catalog-card-banner {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 2.8rem;
    }

    .nav-menu {
        display: none; /* Can be expanded for mobile drawer */
    }

    .mobile-toggle {
        display: flex;
    }

    .form-row-2, .catalog-modal-grid {
        grid-template-columns: 1fr;
    }

    .footer-top {
        grid-template-columns: 1fr 1fr;
    }

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

@media (max-width: 640px) {
    .hero-title {
        font-size: 2.2rem;
    }

    .stripe-divider {
        display: none;
    }

    .footer-top {
        grid-template-columns: 1fr;
    }

    .partner-cta-banner {
        flex-direction: column;
        text-align: center;
    }
}

/* ==========================================================================
   PARTNERS / ALIADOS ESTRATÉGICOS
   ========================================================================== */
.partners-section {
    background-color: var(--cat-white);
    border-top: 1px solid var(--cat-border-gray);
}

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

.partner-card {
    background-color: var(--cat-white);
    border: 1px solid var(--cat-border-gray);
    border-radius: var(--radius-xl);
    padding: 2.2rem;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    box-shadow: var(--shadow-subtle);
    position: relative;
    overflow: hidden;
}

.partner-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--cat-yellow) 0%, var(--cat-black) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.partner-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: var(--cat-black);
}

.partner-card:hover::before {
    opacity: 1;
}

.partner-card-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.2rem;
}

.partner-logo-box {
    background-color: var(--cat-black);
    border-radius: var(--radius-md);
    padding: 0.8rem 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 100px;
}

.partner-logo-text {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 900;
    color: var(--cat-yellow);
    letter-spacing: 0.08em;
}

.led-max-logo {
    background: linear-gradient(135deg, #FA1200 0%, #0D0D0D 100%);
}

.facetec-logo {
    background: linear-gradient(135deg, #0F172A 0%, #2563EB 100%);
}

.partner-badge {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 800;
    color: var(--cat-black);
    background-color: var(--cat-yellow-light);
    border: 1px solid var(--cat-yellow);
    padding: 0.25rem 0.6rem;
    border-radius: 50px;
    white-space: nowrap;
}

.partner-name {
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 0.25rem;
}

.partner-tagline {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--cat-medium-gray);
    margin-bottom: 1rem;
}

.partner-desc {
    font-size: 0.92rem;
    color: var(--cat-medium-gray);
    margin-bottom: 1.5rem;
    line-height: 1.6;
    flex-grow: 1;
}

.partner-capabilities {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 1.5rem;
}

.cap-tag {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--cat-black);
    background-color: var(--cat-light-gray);
    border: 1px solid var(--cat-border-gray);
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.partner-card:hover .cap-tag {
    background-color: var(--cat-yellow-light);
    border-color: var(--cat-yellow);
}

.partner-footer {
    border-top: 1px solid var(--cat-border-gray);
    padding-top: 1.2rem;
}

.btn-partner-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.88rem;
    color: var(--cat-black);
    transition: var(--transition);
}

.btn-partner-link:hover {
    color: var(--cat-yellow-hover);
    transform: translateX(4px);
}

.partner-cta-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    background-color: var(--cat-light-gray);
    border: 2px dashed var(--cat-yellow);
    border-radius: var(--radius-xl);
    padding: 2.5rem 3rem;
}

.partner-cta-text h3 {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
}

.partner-cta-text p {
    font-size: 0.95rem;
    color: var(--cat-medium-gray);
    max-width: 550px;
}