/* ==========================================
   VARIÁVEIS CSS - Personalize aqui
   ========================================== */
:root {
    /* Cores */
    --primary: #1a4d7a;
    --primary-dark: #0f3351;
    --primary-light: #2575a7;
    --accent: #25D366;
    --accent-hover: #1da857;
    --danger: #e74c3c;
    --gray-dark: #2c3e50;
    --gray-light: #ecf0f1;
    --gray-text: #7f8c8d;
    --white: #ffffff;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    
    /* Tipografia */
    --font-body: 'Roboto', sans-serif;
    --font-heading: 'Inter', sans-serif;
    --font-size-base: 16px;
    --font-size-h1: clamp(28px, 5vw, 48px);
    --font-size-h2: clamp(24px, 4vw, 36px);
    --font-size-h3: clamp(18px, 3vw, 24px);
    
    /* Espaçamento */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-2xl: 64px;
    
    /* Raio de borda */
    --radius: 8px;
    --radius-lg: 12px;
    
    /* Transições */
    --transition: all 0.3s ease;
    
    /* Z-index */
    --z-header: 1000;
    --z-modal: 2000;
}

/* ==========================================
   RESET & BASE STYLES
   ========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--gray-dark);
    background: var(--white);
}

/* ==========================================
   TIPOGRAFIA
   ========================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: var(--font-size-h1);
}

h2 {
    font-size: var(--font-size-h2);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--primary);
}

h3 {
    font-size: var(--font-size-h3);
}

p {
    margin-bottom: var(--spacing-md);
}

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

a:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

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

section {
    padding: var(--spacing-2xl) 0;
}

section:nth-child(even) {
    background: var(--gray-light);
}

.intro {
    text-align: center;
    font-size: 1.1rem;
    color: var(--gray-text);
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
}

/* ==========================================
   HEADER / NAVBAR
   ========================================== */
.header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: var(--z-header);
}

.navbar {
    padding: var(--spacing-md) 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
}

.nav-brand h1 {
    margin: 0;
    font-size: 1.5rem;
    color: var(--primary);
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: var(--spacing-lg);
}

.nav-menu a {
    color: var(--gray-dark);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
}

.nav-menu a:hover {
    color: var(--primary);
    text-decoration: none;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
    padding: 8px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* Mobile Menu Toggle */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(10px, 10px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .nav-menu {
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        gap: 0;
        padding: var(--spacing-md);
        box-shadow: var(--shadow);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .nav-menu.active {
        max-height: 400px;
    }

    .nav-menu li {
        border-bottom: 1px solid var(--gray-light);
        padding: var(--spacing-sm) 0;
    }

    .nav-menu li:last-child {
        border-bottom: none;
    }
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: var(--spacing-2xl) var(--spacing-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.hero .container {
    display: contents;
}

.hero-content {
    grid-column: 1;
    animation: slideInLeft 0.8s ease;
    padding-right: var(--spacing-lg);
}

.hero-content h1 {
    color: #2c3e50;
    margin-bottom: var(--spacing-md);
    text-shadow: 1px 1px 3px rgba(255, 255, 255, 0.2);
    font-weight: 700;
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    opacity: 1;
    color: #2c3e50;
    text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.1);
    font-weight: 500;
}

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

.cta-button {
    display: inline-block;
    background: var(--accent);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius);
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid var(--accent);
    text-decoration: none;
}

.cta-button:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    text-decoration: none;
}

.cta-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    animation: breathe 2s infinite;
}

.cta-whatsapp:hover {
    background: var(--accent-hover);
    text-decoration: none;
    transform: scale(1.05);
}

.cta-whatsapp svg {
    width: 20px;
    height: 20px;
}

@keyframes breathe {
    0%, 100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    50% { box-shadow: 0 0 0 10px rgba(37, 211, 102, 0); }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-image {
    grid-column: 2;
    animation: slideInRight 0.8s ease;
    padding-left: var(--spacing-lg);
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@media (max-width: 768px) {
    .hero {
        grid-template-columns: 1fr;
        padding: var(--spacing-lg) 0;
    }

    .hero-content {
        grid-column: 1;
    }

    .hero-image {
        grid-column: 1;
    }

    .cta-button,
    .cta-whatsapp {
        display: block;
        text-align: center;
        margin-bottom: var(--spacing-md);
    }
}

/* ==========================================
   SOBRE SECTION
   ========================================== */
.sobre {
    background: var(--white);
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-2xl) 0;
}

.stat {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--gray-light);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.stat:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-5px);
}

.stat h3 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
}

.stat:hover h3 {
    color: var(--white);
}

.stat p {
    margin: 0;
    color: var(--gray-text);
}

.stat:hover p {
    color: var(--white);
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.feature {
    padding: var(--spacing-lg);
    border: 2px solid var(--gray-light);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
}

.feature:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
}

.feature-icon {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: var(--spacing-md);
}

.feature h3 {
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
}

.feature p {
    color: var(--gray-text);
    margin: 0;
}

/* ==========================================
   SERVIÇOS SECTION
   ========================================== */
.servicos {
    background: var(--gray-light);
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.card-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    background: var(--gray-light);
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.card:hover .card-image img {
    transform: scale(1.05);
}

.card-content {
    padding: var(--spacing-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card h3 {
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
}

.card p {
    color: var(--gray-text);
    margin-bottom: var(--spacing-md);
    font-size: 0.95rem;
}

.benefits {
    list-style: none;
    margin: var(--spacing-md) 0;
    flex: 1;
}

.benefits li {
    padding: var(--spacing-xs) 0;
    color: var(--gray-text);
    border-bottom: 1px solid var(--gray-light);
    font-size: 0.9rem;
}

.benefits li:before {
    content: "✓ ";
    color: var(--accent);
    font-weight: bold;
    margin-right: 8px;
}

.benefits li:last-child {
    border-bottom: none;
}

.card-cta {
    background: var(--primary);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius);
    text-align: center;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
    margin-top: auto;
}

.card-cta:hover {
    background: var(--primary-dark);
    text-decoration: none;
}

/* ==========================================
   PORTFOLIO SECTION
   ========================================== */
.portfolio {
    background: var(--white);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-2xl);
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    height: 300px;
    cursor: pointer;
    box-shadow: var(--shadow);
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

.portfolio-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.8) 100%);
    color: var(--white);
    padding: var(--spacing-md);
    transform: translateY(20px);
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-info {
    transform: translateY(0);
}

.portfolio-info h3 {
    color: var(--white);
    margin: 0 0 var(--spacing-xs) 0;
    font-size: 1.1rem;
}

.portfolio-info p {
    margin: 0;
    color: var(--gray-light);
    font-size: 0.9rem;
}

/* ==========================================
   CONTACTO SECTION
   ========================================== */
.contato {
    background: var(--gray-light);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
    align-items: start;
}

/* ==========================================
   FORMULÁRIO
   ========================================== */
.form {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--gray-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--gray-light);
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
    color: var(--gray-dark);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 77, 122, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-text);
}

.form-submit {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.form-submit:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.form-submit:active {
    transform: translateY(0);
}

/* Tipo de Cliente - Botões estilo Tags */
.client-type-buttons {
    display: flex;
    align-items: center;
    gap: 0;
    flex-wrap: wrap;
    margin-top: var(--spacing-sm);
}

.client-btn {
    padding: 8px 12px;
    background: var(--gray-light);
    color: var(--gray-dark);
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
    border-radius: 4px;
    margin: 0 4px;
    user-select: none;
}

.client-btn:hover {
    background: var(--gray-light);
    color: var(--primary);
}

.client-btn-active,
input[type="radio"]:checked + .client-btn {
    background: var(--primary);
    color: var(--white);
    font-weight: 600;
}

.client-separator {
    color: var(--gray-light);
    font-weight: 300;
    margin: 0 2px;
    font-size: 0.8rem;
}

/* ==========================================
   CONTACT INFO
   ========================================== */
.contact-info {
    display: grid;
    gap: var(--spacing-lg);
}

.info-item {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.info-item h3 {
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

.info-item a {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
}

.info-item a:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

.info-item p {
    margin: 0;
    color: var(--gray-text);
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
    background: var(--primary);
    color: var(--white);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.footer-section h3 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    margin: 0 0 var(--spacing-sm) 0;
    opacity: 0.95;
    font-size: 0.95rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: var(--gray-light);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--white);
    text-decoration: underline;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    border-radius: 50%;
    font-weight: bold;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--accent);
    text-decoration: none;
}

.footer-bottom {
    border-top: 1px solid var(--primary-light);
    padding-top: var(--spacing-lg);
    text-align: center;
}

.footer-bottom p {
    margin: var(--spacing-sm) 0;
    font-size: 0.9rem;
    opacity: 0.95;
}

/* ==========================================
   RESPONSIVO
   ========================================== */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 32px;
        --spacing-2xl: 40px;
    }

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

    .container {
        padding: var(--spacing-md);
    }

    .hero {
        grid-template-columns: 1fr;
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .hero-content {
        grid-column: 1;
        padding-right: 0;
        padding-bottom: var(--spacing-lg);
    }

    .hero-image {
        grid-column: 1;
        padding-left: 0;
    }

    .cta-container {
        flex-direction: column;
    }

    .cta-button,
    .cta-whatsapp {
        width: 100%;
        text-align: center;
        margin-right: 0;
    }

    .client-type-buttons {
        flex-wrap: wrap;
        justify-content: flex-start;
    }

    .client-btn {
        flex: 0 1 auto;
        padding: 6px 10px;
        font-size: 0.85rem;
    }

    .client-separator {
        margin: 0 2px;
        display: inline;
    }

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

    .cards-grid,
    .portfolio-grid,
    .stats,
    .features {
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-base: 14px;
        --font-size-h1: 24px;
        --font-size-h2: 20px;
        --font-size-h3: 16px;
        --spacing-lg: 24px;
        --spacing-xl: 24px;
        --spacing-2xl: 32px;
    }

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

    .cta-button,
    .cta-whatsapp {
        width: 100%;
        margin-right: 0;
        margin-bottom: var(--spacing-sm);
    }
}

/* ==========================================
   IMPRESSÃO
   ========================================== */
@media print {
    .navbar,
    .cta-button,
    .cta-whatsapp,
    .form-submit,
    .footer {
        display: none;
    }
}

/* ==========================================
   ANIMAÇÕES ÚTEIS
   ========================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Lazy load images */
img {
    animation: fadeIn 0.6s ease;
}