/* ========================================
   CSS Variables & Reset
   ======================================== */
:root {
    /* Colors */
    --color-primary: #25D366;
    /* WhatsApp Green */
    --color-primary-dark: #1DA851;
    --color-secondary: #FF6B35;
    /* Urgency Orange */
    --color-dark: #1A1A1A;
    --color-dark-light: #2D2D2D;
    --color-gray: #666666;
    --color-gray-light: #F5F5F5;
    --color-white: #FFFFFF;

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

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

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --shadow-float: 0 12px 40px rgba(0, 0, 0, 0.2);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

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

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

body {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   Container & Layout
   ======================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ========================================
   Sticky Floating Buttons (Mobile Priority)
   ======================================== */
.sticky-buttons {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    gap: 0;
    box-shadow: var(--shadow-float);
}

.sticky-buttons a {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    font-size: 0.95rem;
    font-weight: var(--font-weight-bold);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all var(--transition-base);
}

.btn-whatsapp {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-phone {
    background: linear-gradient(135deg, var(--color-secondary) 0%, #E85A2A 100%);
    color: var(--color-white);
}

.sticky-buttons a:active {
    transform: scale(0.98);
}

.sticky-buttons svg {
    flex-shrink: 0;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    /* Background handled by <img> tag now */
    min-height: 600px;
    display: flex;
    align-items: center;
    color: var(--color-white);
    padding: var(--spacing-xl) 0 var(--spacing-xxl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-bg-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

/* Gradient overlay on top of the image but behind content */
.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5));
    z-index: 1;
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero::before {
    /* Removed old decorative gradient to clean up stacking context */
    display: none;
}

.hero-title {
    font-size: 1.75rem;
    font-weight: var(--font-weight-extrabold);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-white) 0%, #E0E0E0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.1rem;
    font-weight: var(--font-weight-normal);
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-width: 400px;
    margin: 0 auto;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1rem;
    font-weight: var(--font-weight-bold);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
    white-space: nowrap;
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.05rem;
}

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

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

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--color-secondary) 0%, #E85A2A 100%);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

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

.btn-outline {
    background: transparent;
    color: var(--color-dark);
    border-color: var(--color-dark);
}

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

/* ========================================
   Trust Signals Section
   ======================================== */
.trust-signals {
    padding: var(--spacing-xl) 0;
    background: var(--color-gray-light);
}

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

.trust-card {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: all var(--transition-base);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

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

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

.trust-card h3 {
    font-size: 1.1rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-xs);
    color: var(--color-dark);
}

.trust-card p {
    font-size: 0.95rem;
    color: var(--color-gray);
    line-height: 1.5;
}

/* ========================================
   Services Section
   ======================================== */
.services {
    padding: var(--spacing-xxl) 0;
    background: var(--color-white);
}

.section-title {
    font-size: 1.75rem;
    font-weight: var(--font-weight-extrabold);
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-dark);
}

.section-intro {
    font-size: 1.05rem;
    text-align: center;
    color: var(--color-gray);
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.7;
}

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

.service-item {
    background: linear-gradient(135deg, #FAFAFA 0%, #F5F5F5 100%);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-primary);
    transition: all var(--transition-base);
}

.service-item:hover {
    border-left-color: var(--color-secondary);
    transform: translateX(4px);
}

.service-item h3 {
    font-size: 1.2rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
}

.service-item p {
    font-size: 0.95rem;
    color: var(--color-gray);
    line-height: 1.6;
}

/* ========================================
   Pricing Section
   ======================================== */
.pricing {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, #F8F9FA 0%, #E9ECEF 100%);
}

.pricing-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    position: relative;
    border: 2px solid transparent;
    transition: all var(--transition-base);
}

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

.pricing-card-featured {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, #FFFFFF 0%, #F0FFF4 100%);
}

.featured-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pricing-card h3 {
    font-size: 1.3rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
}

.pricing-detail {
    font-size: 0.9rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-md);
}

.pricing-value {
    font-size: 1.5rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
}

/* ========================================
   Coverage Section
   ======================================== */
.coverage {
    padding: var(--spacing-xxl) 0;
    background: var(--color-white);
}

.coverage-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.coverage-zone {
    background: linear-gradient(135deg, #FFFFFF 0%, #F8F9FA 100%);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid rgba(0, 0, 0, 0.08);
    transition: all var(--transition-base);
}

.coverage-zone:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.coverage-zone h3 {
    font-size: 1.1rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-xs);
    color: var(--color-dark);
}

.coverage-zone p {
    font-size: 0.9rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-sm);
}

.zone-link {
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.zone-link:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

/* ========================================
   Final CTA Section
   ======================================== */
.final-cta {
    padding: var(--spacing-xxl) 0 calc(var(--spacing-xxl) + 80px);
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-light) 100%);
    color: var(--color-white);
    text-align: center;
}

.final-cta h2 {
    font-size: 1.75rem;
    font-weight: var(--font-weight-extrabold);
    margin-bottom: var(--spacing-sm);
}

.final-cta p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-width: 400px;
    margin: 0 auto;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--color-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: var(--spacing-lg) 0;
    text-align: center;
    font-size: 0.9rem;
}

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

.footer a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer a:hover {
    color: var(--color-primary-dark);
}

/* ========================================
   Responsive Design - Tablet & Desktop
   ======================================== */
@media (min-width: 768px) {

    /* Hide sticky buttons on desktop, show inline CTAs instead */
    .sticky-buttons {
        display: none;
    }

    .hero {
        padding: var(--spacing-xxl) 0;
    }

    .hero-title {
        font-size: 2.75rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .hero-cta {
        flex-direction: row;
        max-width: 600px;
    }

    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-cards {
        grid-template-columns: repeat(3, 1fr);
    }

    .coverage-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cta-buttons {
        flex-direction: row;
        max-width: 600px;
    }

    .final-cta {
        padding: var(--spacing-xxl) 0;
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: 3.25rem;
    }

    .trust-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .coverage-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ========================================
   Performance Optimizations
   ======================================== */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Print Styles */
@media print {

    .sticky-buttons,
    .hero-cta,
    .cta-buttons {
        display: none;
    }
}

/* ========================================
   Trust Bar (Industrial Page)
   ======================================== */
.trust-bar {
    background-color: var(--color-gray-light);
    border-bottom: 1px solid #e5e7eb;
    padding: var(--spacing-sm) 0;
}

.trust-bar-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    gap: var(--spacing-md);
    align-items: center;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-dark);
    font-weight: var(--font-weight-semibold);
    font-size: 0.9375rem;
    /* ~15px */
}

.trust-badge-icon {
    font-size: 1.25rem;
}

@media (max-width: 768px) {
    .trust-bar-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        justify-items: start;
        gap: var(--spacing-sm);
    }

    .trust-badge {
        font-size: 0.8125rem;
        /* ~13px for mobile */
    }
}