/* ========================================
   BASE STYLES - Global reset, variables, typography, utilities
   This file is shared across all pages
======================================== */

/* Force styles for critical elements */
button.add-to-cart-btn,
.add-to-cart-btn {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 6px !important;
    padding: 10px 18px !important;
    background: linear-gradient(135deg, #10b981, #059669) !important;
    color: #fff !important;
    border: none !important;
    border-radius: 8px !important;
    font-weight: 600 !important;
    font-size: 0.9rem !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
    text-decoration: none !important;
    box-shadow: 0 3px 10px rgba(16, 185, 129, 0.3) !important;
    -webkit-appearance: none !important;
    appearance: none !important;
}

button.add-to-cart-btn:hover,
.add-to-cart-btn:hover {
    background: linear-gradient(135deg, #059669, #047857) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 16px rgba(16, 185, 129, 0.4) !important;
}

button.add-to-cart-btn:active,
.add-to-cart-btn:active {
    transform: translateY(0) !important;
}

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

:root {
    /* COLOR SYSTEM */
    --primary-orange: #f58220;
    --primary-blue: #0369a1; /* Updated for WCAG AA compliance - contrast ratio 7.8:1 */
    --primary-blue-light: #0891b2; /* Lighter variant for backgrounds - contrast ratio 5.5:1 */
    --header-navy: #1e3a8a;
    --button-blue: #0284c7; /* Darkened from #24a7dc for better contrast */
    --secondary-blue: #455a64;
    --cream-bg: #f5f0ed;
    --primary-green: #25D366;

    /* Neutral Palette */
    --white: #FFFFFF;
    --gray-50: #F8FAFC;
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-400: #94A3B8;
    --gray-500: #475569; /* Darkened from #64748B for better contrast - ratio 7.1:1 */
    --gray-600: #334155; /* Adjusted sequence */
    --gray-700: #1E293B; /* Adjusted sequence */
    --gray-800: #0F172A; /* Adjusted sequence */
    --gray-900: #020617; /* Darkest for maximum contrast */

    /* Legacy aliases */
    --light-gray: var(--gray-50);
    --medium-gray: var(--gray-500);
    --dark-gray: var(--gray-700);
    --black: var(--gray-900);

    /* Semantic Colors */
    --success: #10B981;
    --success-light: #D1FAE5;
    --warning: #F59E0B;
    --warning-light: #FEF3C7;
    --error: #EF4444;
    --error-light: #FEE2E2;
    --info: #3B82F6;
    --info-light: #DBEAFE;

    /* TYPOGRAPHY SYSTEM */
    --font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    --font-heading: "Rubik Mono One", sans-serif;
    --font-secondary: Arial, sans-serif;

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;

    --leading-tight: 1.25;
    --leading-snug: 1.375;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    --leading-loose: 2;

    --font-light: 300;
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    --font-extrabold: 800;
    --font-black: 900;

    /* SPACING SYSTEM */
    --container-max-width: 1200px;
    --section-padding: 80px 0;
    --element-margin: 20px;

    --space-0: 0;
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;

    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
    --container-2xl: 1536px;

    /* BORDER RADIUS */
    --radius-none: 0;
    --radius-sm: 0.125rem;
    --radius: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-3xl: 1.5rem;
    --radius-full: 9999px;

    --border-radius: var(--radius-lg);
    --border-radius-large: var(--radius-xl);

    /* SHADOW SYSTEM */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.05);

    --shadow-light: var(--shadow-sm);
    --shadow-medium: var(--shadow-md);
    --shadow-heavy: var(--shadow-lg);

    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;

    --whatsapp-primary: #25D366;
    --whatsapp-secondary: #20BA5A;
    --emergency-primary: #ef4444;
    --emergency-secondary: #dc2626;

    /* Additional accent colors */
    --accent-orange: var(--primary-orange);
    --accent-yellow: #f59e0b;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--black);
    background-color: var(--cream-bg);
    overflow-x: hidden;
    padding-top: 100px;
}

/* Layout Utilities */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--space-5);
}

.container-sm { max-width: var(--container-sm); margin: 0 auto; }
.container-md { max-width: var(--container-md); margin: 0 auto; }
.container-lg { max-width: var(--container-lg); margin: 0 auto; }
.container-xl { max-width: var(--container-xl); margin: 0 auto; }

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    .container {
        padding: 0 30px;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 40px;
    }
}

@media (min-width: 1440px) {
    .container {
        max-width: 1400px;
        padding: 0 50px;
    }
}

.section-padding { padding: var(--space-20) 0; }
.section-padding-sm { padding: var(--space-16) 0; }
.section-padding-lg { padding: var(--space-24) 0; }

.mb-0 { margin-bottom: var(--space-0); }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-10 { margin-bottom: var(--space-10); }
.mb-12 { margin-bottom: var(--space-12); }

.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Section background utilities */
.bg-default { background: var(--white); }
.bg-alt { background: var(--cream-bg); }
.bg-muted { background: var(--section-bg-muted); }
.bg-brand {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-orange));
    color: var(--white);
}
.bg-dark {
    background: var(--header-navy);
    color: var(--white);
}

.bg-brand .section-header h2,
.bg-dark .section-header h2 { color: var(--white); }

.bg-brand .section-header p,
.bg-dark .section-header p { color: rgba(255, 255, 255, 0.9); }

/* Card component */
.card {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    padding: var(--space-6);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-medium);
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-header {
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--gray-200);
    margin-bottom: var(--space-4);
}

.card-body { padding: var(--space-4) 0; }

.card-footer {
    padding-top: var(--space-4);
    border-top: 1px solid var(--gray-200);
    margin-top: var(--space-4);
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    line-height: 1;
}

.badge-primary { background: var(--primary-blue); color: var(--white); }
.badge-success { background: var(--success-light); color: var(--success); }
.badge-warning { background: var(--warning-light); color: var(--warning); }
.badge-error { background: var(--error-light); color: var(--error); }

/* CTA button system */
.btn-whatsapp-primary {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, var(--whatsapp-primary), var(--whatsapp-secondary));
    color: var(--white);
    padding: 16px 32px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.3);
    transition: all var(--transition-medium);
    border: none;
    cursor: pointer;
}

.btn-whatsapp-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(37, 211, 102, 0.6);
    color: var(--white);
    text-decoration: none;
}

.btn-whatsapp-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--whatsapp-primary), var(--whatsapp-secondary));
    color: var(--white);
    padding: 12px 24px;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
    transition: all var(--transition-medium);
    border: none;
    cursor: pointer;
}

.btn-whatsapp-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.5);
    color: var(--white);
    text-decoration: none;
}

.btn-emergency {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--emergency-primary), var(--emergency-secondary));
    color: var(--white);
    padding: 14px 28px;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
    transition: all var(--transition-medium);
    border: none;
    cursor: pointer;
}

.btn-emergency:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(239, 68, 68, 0.5);
    color: var(--white);
    text-decoration: none;
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--primary-blue);
    padding: 12px 24px;
    border: 2px solid var(--primary-blue);
    border-radius: 25px;
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-medium);
    cursor: pointer;
}

.btn-outline:hover {
    background: var(--primary-blue);
    color: var(--white);
    text-decoration: none;
    transform: translateY(-1px);
}

@media (max-width: 768px) {
    .btn-whatsapp-primary,
    .btn-whatsapp-secondary,
    .btn-emergency {
        width: 100%;
        justify-content: center;
        padding: 16px 24px;
        font-size: 1rem;
        min-height: 48px;
    }

    .btn-whatsapp-primary {
        padding: 18px 24px;
        font-size: 1.1rem;
        min-height: 52px;
    }
}

@media (max-width: 414px) and (min-width: 375px) {
    .video-testimonials-cta {
        padding: 28px 20px;
        margin: 20px 16px;
        border-radius: 16px;
    }

    .video-testimonials-cta h3 {
        font-size: 1.5rem;
        line-height: 1.3;
        margin-bottom: 20px;
    }

    .cta-buttons {
        gap: 16px;
        width: 100%;
        max-width: 320px;
        margin: 0 auto;
    }

    .btn-whatsapp-primary,
    .btn-whatsapp-secondary {
        font-size: 1.05rem;
        padding: 18px 20px;
        border-radius: 12px;
    }
}

.heading-display {
    font-size: var(--text-6xl);
    font-weight: var(--font-black);
    line-height: var(--leading-tight);
    color: var(--gray-900);
    margin-bottom: var(--space-8);
}

.heading-1 {
    font-size: var(--text-5xl);
    font-weight: var(--font-extrabold);
    line-height: var(--leading-tight);
    color: var(--gray-900);
    margin-bottom: var(--space-6);
}

.heading-2 {
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    line-height: var(--leading-snug);
    color: var(--gray-900);
    margin-bottom: var(--space-5);
}

.heading-3 {
    font-size: var(--text-3xl);
    font-weight: var(--font-semibold);
    line-height: var(--leading-snug);
    color: var(--gray-800);
    margin-bottom: var(--space-4);
}

.heading-4 {
    font-size: var(--text-2xl);
    font-weight: var(--font-semibold);
    line-height: var(--leading-normal);
    color: var(--gray-800);
    margin-bottom: var(--space-4);
}

.heading-5 {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    color: var(--gray-800);
    margin-bottom: var(--space-3);
}

.heading-6 {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--gray-700);
    margin-bottom: var(--space-3);
}

.text-muted { color: var(--gray-500); }
.text-small { font-size: var(--text-sm); }
.text-uppercase { text-transform: uppercase; letter-spacing: 1px; }

/* Loading overlay shared styles */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-medium);
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid #E9ECEF;
    border-top: 4px solid var(--primary-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}