/* ========== RESET E BASE ========== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { 
    font-family: var(--font-body);
    background: var(--color-dark);
    color: var(--color-text);
    line-height: var(--line-height-normal);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; }
button { cursor: pointer; border: none; font-family: inherit; }

/* ========== CONTAINER ========== */
.container { max-width: var(--container-max-width); margin: 0 auto; padding: 0 var(--container-padding); }

/* ========== HEADER ========== */
.header {
    background: linear-gradient(180deg, #1A1A1A 0%, #0F0F0F 100%);
    border-bottom: 3px solid var(--color-primary);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    box-shadow: var(--shadow-md);
}
.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    gap: var(--spacing-md);
}
.logo { 
    display: flex; 
    align-items: center; 
    gap: 0; 
    text-decoration: none;
    flex-direction: column;
    min-width: auto;
    flex-shrink: 0;
}
.logo-text {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--color-primary);
    line-height: 1;
    letter-spacing: 2px;
    margin: 0;
    padding: 0;
}
.logo-subtext {
    font-family: 'Helvetica World', 'Helvetica Neue', 'Arial', sans-serif;
    font-weight: 600;
    font-size: 0.65rem;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin: 0;
    padding: 0;
    line-height: 1;
}
.nav { 
    flex: 1; 
    display: flex; 
    justify-content: center;
    min-width: 0;
}
.nav-list { 
    display: flex; 
    list-style: none; 
    margin: 0; 
    padding: 0; 
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    justify-content: center;
}
.nav-link {
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: var(--font-weight-semibold);
    padding: var(--spacing-sm) var(--spacing-md);
    transition: var(--transition-base);
    text-transform: capitalize;
    letter-spacing: 0.5px;
    position: relative;
    white-space: nowrap;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-base);
}
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-link:hover { color: var(--color-primary); }

.header-btn {
    flex-shrink: 0;
}

/* ========== FOOTER ========== */
.footer {
    background: linear-gradient(180deg, #1A1A1A 0%, #0F0F0F 100%);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
    margin-top: var(--spacing-4xl);
}
.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
}
.footer-column h3 {
    font-family: var(--font-heading);
    font-size: var(--font-size-lg);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}
.footer-column p, .footer-column a {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
}
.footer-column ul { list-style: none; }
.footer-column li { margin-bottom: var(--spacing-sm); }
.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-xl);
    text-align: center;
    color: var(--color-text-lighter);
    font-size: var(--font-size-xs);
}

/* ========== BOTÕES ========== */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    transition: var(--transition-base);
    text-align: center;
    cursor: pointer;
    border: 2px solid transparent;
    white-space: nowrap;
    font-size: 0.85rem;
}
.btn-primary {
    background: var(--color-primary);
    color: var(--color-dark);
}
.btn-primary:hover {
    background: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.btn-outline {
    border-color: var(--color-primary);
    color: var(--color-primary);
}
.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-dark);
}

/* ========== BOTÃO FLUTUANTE WHATSAPP ========== */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 30px;
    right: 30px;
    background-color: #25D366;
    color: #FFF;
    border-radius: 50%;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 3px #999;
    z-index: var(--z-fixed);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition-base);
    animation: pulse-whatsapp 2s infinite;
}

.whatsapp-float:hover {
    background-color: #20BA5A;
    transform: scale(1.1);
    box-shadow: 2px 2px 8px rgba(37, 211, 102, 0.5);
}

@keyframes pulse-whatsapp {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* ========== FORMULÁRIOS ========== */
.form-group { margin-bottom: var(--spacing-lg); }
.form-label { display: block; margin-bottom: var(--spacing-sm); font-weight: var(--font-weight-semibold); }
.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--color-white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    color: var(--color-text);
    font-family: inherit;
    transition: var(--transition-base);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(212, 165, 116, 0.1);
}

/* ========== SEÇÕES ========== */
.section { padding: var(--spacing-3xl) 0; }
.section-alternate { background: var(--color-secondary); }
.section-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-3xl);
    color: var(--color-text);
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

/* ========== HERO ========== */
.hero-section {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-dark) 100%);
    background-image: url('../images/lupa-balanca.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    padding: var(--spacing-4xl) 0;
    text-align: center;
    position: relative;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(42, 42, 42, 0.85) 0%, rgba(15, 15, 15, 0.85) 100%);
    z-index: 1;
}
.hero-section .container {
    position: relative;
    z-index: 2;
}
.hero-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-4xl);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}
.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
}

/* ========== GRID ========== */
.grid { display: grid; gap: var(--spacing-2xl); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }

/* ========== CARDS ========== */
.card {
    background: var(--color-white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    transition: var(--transition-base);
}
.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* ========== RESPONSIVIDADE ========== */
@media (max-width: 1200px) {
    .nav-list {
        gap: var(--spacing-md);
    }
    .nav-link {
        font-size: 0.8rem;
        padding: var(--spacing-sm) var(--spacing-sm);
    }
}

@media (max-width: 1024px) {
    .header-content {
        flex-wrap: wrap;
    }
    .nav {
        min-width: 100%;
        order: 3;
    }
    .nav-list {
        gap: var(--spacing-md);
        width: 100%;
    }
    .header-btn {
        order: 2;
    }
    .hero-title { 
        font-size: var(--font-size-3xl); 
    }
    .section-title {
        font-size: var(--font-size-2xl);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    .header {
        padding: var(--spacing-sm) 0;
    }
    .header-content {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }
    .logo {
        order: 1;
        flex-shrink: 0;
    }
    .logo-text {
        font-size: 1.2rem;
        letter-spacing: 1.5px;
    }
    .logo-subtext {
        font-size: 0.55rem;
        letter-spacing: 1px;
    }
    .nav { 
        display: none;
        min-width: 100%;
        flex-direction: column;
        order: 3;
    }
    .nav[aria-expanded="true"] { 
        display: flex;
    }
    .nav-list {
        flex-direction: column;
        gap: var(--spacing-sm);
        width: 100%;
    }
    .nav-link {
        width: 100%;
        text-align: center;
        padding: var(--spacing-md);
        font-size: 0.85rem;
    }
    .header-btn {
        order: 2;
    }
    .btn {
        width: 100%;
        font-size: 0.8rem;
    }
    .section { 
        padding: var(--spacing-2xl) 0; 
    }
    .hero-section {
        padding: var(--spacing-2xl) 0;
        min-height: 400px;
    }
    .hero-title { 
        font-size: var(--font-size-2xl); 
    }
    .hero-subtitle {
        font-size: var(--font-size-base);
    }
    .section-title {
        font-size: var(--font-size-xl);
    }
    .grid-2, .grid-3 { 
        grid-template-columns: 1fr; 
    }
    .footer-content {
        gap: var(--spacing-2xl);
    }
    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 20px;
        right: 20px;
        font-size: 24px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    .header {
        padding: var(--spacing-xs) 0;
    }
    .header-content {
        gap: var(--spacing-xs);
    }
    .logo-text {
        font-size: 1rem;
        letter-spacing: 1px;
    }
    .logo-subtext {
        font-size: 0.5rem;
        letter-spacing: 0.8px;
    }
    .nav-link {
        font-size: 0.75rem;
        padding: var(--spacing-sm);
    }
    .btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.75rem;
    }
    .hero-title { 
        font-size: var(--font-size-xl); 
    }
    .hero-subtitle {
        font-size: var(--font-size-sm);
    }
    .section-title {
        font-size: var(--font-size-lg);
    }
    .section { 
        padding: var(--spacing-xl) 0; 
    }
    .hero-section {
        padding: var(--spacing-xl) 0;
        min-height: 300px;
    }
    .card {
        padding: var(--spacing-lg);
    }
    .whatsapp-float {
        width: 45px;
        height: 45px;
        bottom: 15px;
        right: 15px;
        font-size: 20px;
    }
}