/* 
   Desentupidora Exata - Core Styles
   Modern Design System with Gradients & Micro-animations
*/

:root {
    /* Brand Colors */
    --primary-red: #D32F2F;
    --primary-yellow: #FBC02D;
    --primary-white: #FFFFFF;
    --dark-bg: #121212;
    --dark-surface: #1E1E1E;
    --text-primary: #FFFFFF;
    --text-secondary: #B0B0B0;
    --text-dark: #333333;
    
    /* Gradients */
    --gradient-main: linear-gradient(135deg, var(--primary-red) 0%, #B71C1C 100%);
    --gradient-header: linear-gradient(90deg, #1a1a1a 0%, #2d2d2d 100%);
    --gradient-gold: linear-gradient(135deg, var(--primary-yellow) 0%, #F57F17 100%);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    
    /* Typography */
    --font-main: 'Inter', sans-serif;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--dark-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-red);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-yellow);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 3.5rem;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

h2 {
    font-size: 2.5rem;
    color: var(--primary-white);
    border-left: 5px solid var(--primary-red);
    padding-left: var(--spacing-sm);
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

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

/* Layout Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.section {
    padding: var(--spacing-lg) 0;
}

.grid {
    display: grid;
    gap: var(--spacing-md);
}

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

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

/* Components */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition-fast);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-main);
    color: var(--primary-white);
    box-shadow: 0 4px 15px rgba(211, 47, 47, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(211, 47, 47, 0.6);
}

.card {
    background: var(--dark-surface);
    padding: var(--spacing-md);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-medium);
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-yellow);
}

/* Header */
header {
    background: var(--gradient-header);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0,0,0,0.5);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-white);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo span {
    color: var(--primary-red);
}

/* Hero Section */
.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    background-image: linear-gradient(to bottom, rgba(0,0,0,0.8), rgba(0,0,0,0.8)), url('../imagens/desentupidora.webp');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 800px;
    z-index: 1;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
}

/* CTA Buttons */
.cta-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
    margin: 2rem 0;
}

.cta-btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 50px;
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: 2px solid;
}

.cta-btn:nth-child(1) {
    border-color: #fff;
    background: rgba(255,255,255,0.1);
}

.cta-btn:nth-child(1):hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-2px);
}

.cta-btn:nth-child(2) {
    border-color: #ff4444;
    background: rgba(255,68,68,0.2);
}

.cta-btn:nth-child(2):hover {
    background: rgba(255,68,68,0.3);
    transform: translateY(-2px);
}

.cta-btn:nth-child(3) {
    border-color: #00cc66;
    background: rgba(0,204,102,0.2);
}

.cta-btn:nth-child(3):hover {
    background: rgba(0,204,102,0.3);
    transform: translateY(-2px);
}

/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: white;
    padding: 15px 25px;
    border-radius: 50px;
    box-shadow: 0 5px 20px rgba(37, 211, 102, 0.4);
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 9999;
    font-weight: bold;
    transition: var(--transition-medium);
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.6);
}

/* Footer */
footer {
    background: #0a0a0a;
    padding: var(--spacing-lg) 0 var(--spacing-md);
    border-top: 1px solid rgba(255,255,255,0.05);
    margin-top: var(--spacing-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-col h3 {
    color: var(--primary-white);
    margin-bottom: var(--spacing-md);
    font-size: 1.2rem;
}

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

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a:hover {
    color: var(--primary-yellow);
    padding-left: 5px;
}

.copyright {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255,255,255,0.05);
    font-size: 0.9rem;
    color: var(--text-secondary);
}