/* 
   Prime Contabilidade - Style System 
   Theme: Corporate Black + Blue
*/

:root {
    /* Color Palette */
    --color-black-base: #0B0B0F;
    --color-gray-graphite: #141622;
    --color-gray-card: #1D2030;
    --color-blue-primary: #2563EB;
    --color-blue-intense: #1D4ED8;
    --color-blue-neon: #38BDF8;
    --color-white: #FFFFFF;
    --color-gray-light: #A7B0C0;
    --color-bg-light: #F3F4F6;
    --color-text-dark: #1F2937;

    /* Typography */
    --font-main: 'Inter', sans-serif;
    
    /* Spacing & Layout */
    --container-width: 1200px;
    --header-height: 80px;
    --radius-md: 8px;
    --radius-lg: 16px;
    
    /* Transitions */
    --transition-fast: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--color-black-base);
    color: var(--color-gray-light);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--color-white);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* Utilities */
.container {
    width: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1rem;
}

.text-center { text-align: center; }
.text-primary { color: var(--color-blue-primary); }
.text-neon { color: var(--color-blue-neon); }
.bg-light { background-color: var(--color-bg-light); color: var(--color-text-dark); }
.bg-dark { background-color: var(--color-black-base); }
.bg-graphite { background-color: var(--color-gray-graphite); }

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn-primary {
    background-color: var(--color-blue-primary);
    color: var(--color-white);
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    background-color: var(--color-blue-intense);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.5);
    transform: translateY(-2px);
}

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

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

.btn-whatsapp {
    background-color: #25D366;
    color: white;
}
.btn-whatsapp:hover {
    background-color: #128C7E;
}

/* Header */
header {
    background-color: rgba(11, 11, 15, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--header-height);
}

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

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

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    font-weight: 500;
    color: var(--color-white);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-blue-primary);
    transition: width 0.3s;
}

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

.mobile-toggle {
    display: none;
    color: var(--color-white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding-top: calc(var(--header-height) + 4rem);
    padding-bottom: 5rem;
    background: linear-gradient(135deg, var(--color-black-base) 0%, var(--color-gray-graphite) 50%, #0a1f4d 100%);
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 600px;
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: var(--color-gray-light);
}

.hero-btns {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Features / Services */
.section {
    padding: 5rem 0;
}

.section-title {
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-title p {
    color: var(--color-blue-neon);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    background-color: var(--color-gray-card);
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition-fast);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--color-blue-primary);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.card-icon {
    font-size: 2.5rem;
    color: var(--color-blue-primary);
    margin-bottom: 1.5rem;
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-img {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 2px solid var(--color-gray-card);
    position: relative;
}

.about-img::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(11,11,15,0.6), transparent);
}

/* Footer */
footer {
    background-color: var(--color-gray-graphite);
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-column h4 {
    margin-bottom: 1.5rem;
    color: var(--color-white);
}

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

.footer-links a {
    color: var(--color-gray-light);
}

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

.copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.05);
    font-size: 0.9rem;
    color: #666;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--color-white);
}

.form-control {
    width: 100%;
    padding: 12px;
    background-color: var(--color-black-base);
    border: 1px solid var(--color-gray-card);
    border-radius: var(--radius-md);
    color: var(--color-white);
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-blue-primary);
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
    font-size: 0.9rem;
}

/* Map */
.map-responsive {
    overflow: hidden;
    padding-bottom: 56.25%;
    position: relative;
    height: 0;
    border-radius: var(--radius-lg);
}

.map-responsive iframe {
    left: 0;
    top: 0;
    height: 100%;
    width: 100%;
    position: absolute;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    background-color: var(--color-gray-graphite);
    border: 1px solid var(--color-gray-card);
    padding: 20px;
    border-radius: var(--radius-lg);
    z-index: 9999;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
    display: none; /* JS toggles this */
    max-width: 600px;
    margin: 0 auto;
}

.cookie-content {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.cookie-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* Sticky Float Buttons */
.float-btns {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 990;
}

.btn-float {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    
    .mobile-toggle { display: block; }
    
    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background-color: var(--color-gray-graphite);
        flex-direction: column;
        padding: 2rem;
        transform: translateY(-150%);
        transition: transform 0.3s ease;
        border-bottom: 2px solid var(--color-blue-primary);
    }
    
    .nav-menu.active {
        transform: translateY(0);
    }

    .about-grid { grid-template-columns: 1fr; }
    
    .float-btns { bottom: 80px; } /* Space for safety/nav overlay if needed */
}