/* 
 * Brasil Caçambas Oficial - Modern Professional Design
 * Theme: Contemporary Industrial with Smooth Gradients
 * Colors: Vibrant Yellow (#FFC107), Deep Blue (#1565C0), Clean White
 * Typography: Poppins (modern, clean, professional)
 */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&display=swap');

:root {
    --primary-yellow: #FFC107;
    --primary-yellow-dark: #FFA000;
    --primary-yellow-light: #FFECB3;
    --secondary-blue: #1565C0;
    --secondary-blue-dark: #0D47A1;
    --secondary-blue-light: #42A5F5;
    --accent-green: #4CAF50;
    --text-dark: #212121;
    --text-gray: #757575;
    --text-light: #BDBDBD;
    --bg-white: #FFFFFF;
    --bg-light: #F5F5F5;
    --bg-dark: #263238;
    
    --font-main: 'Poppins', sans-serif;
    
    --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-xl: 0 16px 48px rgba(0,0,0,0.20);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--text-dark);
    line-height: 1.7;
    background-color: var(--bg-white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-dark);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }

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

ul {
    list-style: none;
}

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

/* --- Utilities --- */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    font-family: var(--font-main);
    font-weight: 600;
    font-size: 1rem;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    text-transform: none;
    letter-spacing: 0.3px;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--primary-yellow-dark) 0%, var(--primary-yellow) 100%);
}

.btn-whatsapp {
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-whatsapp:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, #128C7E 0%, #25D366 100%);
}

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

.btn-outline:hover {
    background: var(--primary-yellow);
    color: var(--text-dark);
}

.section-padding {
    padding: 80px 0;
}

.text-center { text-align: center; }

/* --- Header --- */
header {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

header.scrolled {
    padding: 12px 0;
    box-shadow: var(--shadow-md);
}

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

.logo {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--secondary-blue);
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo i {
    color: var(--primary-yellow);
    font-size: 2rem;
}

.logo span {
    background: linear-gradient(135deg, var(--primary-yellow) 0%, var(--primary-yellow-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

nav ul {
    display: flex;
    gap: 32px;
    align-items: center;
}

nav a {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-dark);
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-yellow);
    transition: var(--transition);
}

nav a:hover::after {
    width: 100%;
}

nav a:hover {
    color: var(--secondary-blue);
}

.header-cta {
    display: none;
}

@media (min-width: 768px) {
    .header-cta {
        display: block;
    }
}

/* --- Hero Section --- */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, rgba(21, 101, 192, 0.95) 0%, rgba(13, 71, 161, 0.9) 100%), 
                url('../img/hero-bg.jpg') center/cover no-repeat;
    color: white;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(255, 193, 7, 0.1) 0%, transparent 50%);
}

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

.hero-content {
    max-width: 700px;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 24px;
    line-height: 1.2;
    color: white;
    font-weight: 800;
    animation: fadeInUp 0.8s ease-out;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 32px;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.8;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (min-width: 768px) {
    .hero h1 { font-size: 4.5rem; }
}

@media (max-width: 767px) {
    .hero h1 { font-size: 2.5rem; }
    .hero p { font-size: 1.1rem; }
}

/* --- Features / Diferenciais --- */
.features {
    background: linear-gradient(180deg, var(--bg-white) 0%, var(--bg-light) 100%);
}

.features .section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.features h2 {
    margin-bottom: 16px;
    color: var(--secondary-blue);
}

.features .section-header p {
    font-size: 1.15rem;
    color: var(--text-gray);
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

@media (min-width: 768px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .features-grid { grid-template-columns: repeat(4, 1fr); }
}

.feature-card {
    background: white;
    padding: 40px 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-yellow) 0%, var(--primary-yellow-dark) 100%);
    transform: scaleX(0);
    transition: var(--transition);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--primary-yellow-light) 0%, var(--primary-yellow) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--secondary-blue);
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-gray);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* --- Services --- */
.services {
    background: var(--bg-white);
}

.services .section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.services h2 {
    margin-bottom: 16px;
    color: var(--secondary-blue);
}

.services-subtitle {
    font-size: 1.15rem;
    color: var(--text-gray);
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media (min-width: 768px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .services-grid { grid-template-columns: repeat(4, 1fr); }
}

.service-card {
    background: white;
    padding: 32px 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-yellow);
}

.service-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--secondary-blue-light) 0%, var(--secondary-blue) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    margin-bottom: 20px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    transform: scale(1.1);
}

.service-card h3 {
    font-size: 1.15rem;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.service-card p {
    color: var(--text-gray);
    margin-bottom: 20px;
    flex-grow: 1;
    font-size: 0.9rem;
    line-height: 1.6;
}

.service-link {
    color: var(--secondary-blue);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    transition: var(--transition);
}

.service-link:hover {
    color: var(--primary-yellow-dark);
    gap: 12px;
}

/* --- About / Quem Somos --- */
.about {
    background: linear-gradient(180deg, var(--bg-light) 0%, var(--bg-white) 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px;
    align-items: center;
}

@media (min-width: 768px) {
    .about-content { grid-template-columns: 1fr 1fr; }
}

.about-img {
    position: relative;
}

.about-img img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    height: auto;
}

.about-img::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-yellow) 0%, var(--primary-yellow-dark) 100%);
    border-radius: var(--radius-xl);
    z-index: -1;
}

.about-text h2 {
    margin-bottom: 24px;
    color: var(--secondary-blue);
    position: relative;
    display: inline-block;
}

.about-text h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-yellow) 0%, var(--primary-yellow-dark) 100%);
    border-radius: 2px;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 1.05rem;
    color: var(--text-gray);
    line-height: 1.8;
}

.about-text strong {
    color: var(--text-dark);
    font-weight: 600;
}

.about-list {
    margin: 24px 0;
}

.about-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 1.05rem;
    color: var(--text-gray);
}

.about-list i {
    color: var(--accent-green);
    font-size: 1.25rem;
    flex-shrink: 0;
}

/* --- Testimonials --- */
.testimonials {
    background: var(--bg-white);
}

.testimonials .section-header {
    text-align: center;
    margin-bottom: 60px;
}

.testimonials h2 {
    color: var(--secondary-blue);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

@media (min-width: 768px) {
    .testimonials-grid { grid-template-columns: repeat(3, 1fr); }
}

.testimonial-card {
    background: white;
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    position: relative;
    transition: var(--transition);
    border-left: 4px solid var(--primary-yellow);
}

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

.testimonial-card::before {
    content: '"';
    font-size: 4rem;
    color: var(--primary-yellow-light);
    position: absolute;
    top: 16px;
    left: 24px;
    font-family: Georgia, serif;
    opacity: 0.5;
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
    color: var(--text-gray);
    line-height: 1.7;
}

.testimonial-author {
    font-weight: 600;
    color: var(--secondary-blue);
    font-size: 0.95rem;
}

/* --- CTA Final --- */
.cta-final {
    background: linear-gradient(135deg, var(--secondary-blue) 0%, var(--secondary-blue-dark) 100%);
    padding: 80px 0;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta-final::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 80% 50%, rgba(255, 193, 7, 0.1) 0%, transparent 50%);
}

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

.cta-final h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    color: white;
}

.cta-final p {
    font-size: 1.25rem;
    margin-bottom: 32px;
    color: rgba(255, 255, 255, 0.9);
}

.cta-phone {
    margin-top: 24px;
    font-size: 1.25rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--primary-yellow);
}

@media (max-width: 767px) {
    .cta-final h2 { font-size: 2rem; }
    .cta-final p { font-size: 1.1rem; }
}

/* --- Footer --- */
footer {
    background: var(--bg-dark);
    color: var(--text-light);
    padding: 60px 0 24px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: repeat(3, 1fr);
    }
}

.footer-section h4 {
    color: var(--primary-yellow);
    margin-bottom: 20px;
    font-size: 1.25rem;
}

.footer-section p,
.footer-section li {
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-light);
    font-size: 0.95rem;
}

.footer-section i {
    color: var(--primary-yellow);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    text-align: center;
    font-size: 0.9rem;
}

.footer-bottom p {
    margin-bottom: 8px;
}

/* --- WhatsApp Float --- */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: white;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    box-shadow: var(--shadow-xl);
    z-index: 2000;
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 40px rgba(37, 211, 102, 0.4);
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 8px 32px rgba(37, 211, 102, 0.3);
    }
    50% {
        box-shadow: 0 8px 32px rgba(37, 211, 102, 0.6);
    }
}

/* --- Admin Styles --- */
.admin-header {
    background: var(--secondary-blue);
    color: white;
    padding: 20px 0;
    box-shadow: var(--shadow-md);
}

.admin-content {
    padding: 60px 0;
    background: var(--bg-light);
    min-height: 80vh;
}

.admin-card {
    background: white;
    padding: 32px;
    margin-bottom: 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.admin-card h3 {
    margin-bottom: 24px;
    color: var(--secondary-blue);
    display: flex;
    align-items: center;
    gap: 12px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #E0E0E0;
    border-radius: var(--radius-sm);
    font-family: var(--font-main);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-yellow);
}

.form-group textarea {
    font-family: 'Courier New', monospace;
    min-height: 120px;
    resize: vertical;
}

.form-group small {
    display: block;
    margin-top: 6px;
    color: var(--text-gray);
    font-size: 0.85rem;
}

.success-msg {
    background: #E8F5E9;
    color: #2E7D32;
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    margin-bottom: 24px;
    border-left: 4px solid #4CAF50;
    display: flex;
    align-items: center;
    gap: 12px;
}

.error-msg {
    background: #FFEBEE;
    color: #C62828;
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    margin-bottom: 24px;
    border-left: 4px solid #F44336;
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Login Page */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--secondary-blue) 0%, var(--secondary-blue-dark) 100%);
}

.login-box {
    background: white;
    padding: 48px;
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-xl);
}

.login-box h2 {
    text-align: center;
    margin-bottom: 32px;
    color: var(--secondary-blue);
}

.login-box .btn {
    width: 100%;
    margin-top: 8px;
}

/* Responsive */
@media (max-width: 767px) {
    .container {
        width: 95%;
    }
    
    header .container {
        flex-direction: column;
        gap: 16px;
    }
    
    nav ul {
        justify-content: center;
        flex-wrap: wrap;
        gap: 16px;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.25rem; }
    
    .section-padding {
        padding: 60px 0;
    }
}

/* Smooth Animations */
@media (prefers-reduced-motion: no-preference) {
    .feature-card,
    .service-card,
    .testimonial-card {
        opacity: 0;
        animation: fadeInUp 0.6s ease-out forwards;
    }
    
    .feature-card:nth-child(1) { animation-delay: 0.1s; }
    .feature-card:nth-child(2) { animation-delay: 0.2s; }
    .feature-card:nth-child(3) { animation-delay: 0.3s; }
    .feature-card:nth-child(4) { animation-delay: 0.4s; }
}