/* ==========================================================================
   CSS de Sinalização Musical Multi-Ambientes (100% Responsivo)
   ========================================================================== */
:root {
    --font-primary: 'Inter', sans-serif;
    --color-light: #ffffff;
    --color-accent: #00ffaa;
    --navbar-bg: rgba(10, 10, 10, 0.9);
    --input-bg: rgba(255, 255, 255, 0.05);
}

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

html {
    scroll-behavior: smooth;
    font-family: var(--font-primary);
    color: var(--color-light);
    background-color: #0a0a0a;
    overflow-x: hidden;
}

body {
    overflow-x: hidden;
    width: 100%;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 5%;
    background-color: var(--navbar-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.logo {
    font-weight: 800;
    font-size: 1.2rem;
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    gap: 15px;
    align-items: center;
    flex-wrap: wrap;
}

.nav-links a {
    color: var(--color-light);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    opacity: 0.6;
    transition: all 0.3s ease;
}

.nav-links a:hover {
    opacity: 1;
    color: var(--color-accent);
}

.nav-btn {
    background: rgba(255, 255, 255, 0.1);
    padding: 6px 14px !important;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Hero e Estrutura de Texto */
.hero-section {
    min-height: 100vh;
    min-height: 100svh;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 140px 20px 80px 20px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.content {
    max-width: 1100px;
    width: 100%;
}

.tag {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--color-accent);
    font-weight: 800;
    display: inline-block;
    margin-bottom: 15px;
}

.content h2 {
    font-size: clamp(1.8rem, 4vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
    letter-spacing: -1px;
}

.content p {
    font-size: clamp(0.95rem, 1.5vw, 1.15rem);
    font-weight: 300;
    line-height: 1.6;
    opacity: 0.8;
    margin-bottom: 30px;
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-block;
    padding: 12px 32px;
    background-color: transparent;
    color: var(--color-light);
    border: 2px solid var(--color-light);
    border-radius: 50px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn:hover {
    background-color: var(--color-light);
    color: #000;
    transform: translateY(-2px);
}

/* Novo Grid Otimizado para os 6 Segmentos (3 colunas no PC) */
.section-desc {
    margin-bottom: 45px !important;
}

.segmentos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    text-align: left;
    width: 100%;
    margin-top: 20px;
}

.segmento-item {
    background: rgba(255, 255, 255, 0.03);
    padding: 30px 24px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.segmento-item:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(0, 255, 170, 0.3);
    transform: translateY(-3px);
}

.segmento-icon {
    font-size: 2rem;
    margin-bottom: 15px;
}

.segmento-item h3 {
    font-size: 0.95rem;
    color: var(--color-accent);
    margin-bottom: 10px;
    letter-spacing: 1.5px;
    font-weight: 800;
}

.segmento-item p {
    font-size: 0.88rem;
    opacity: 0.7;
    line-height: 1.5;
    margin-bottom: 0;
}

/* Formulário de Contato */
.contact-container {
    max-width: 500px;
}

.contact-form {
    margin-top: 25px;
    text-align: left;
}

.form-group {
    position: relative;
    margin-bottom: 20px;
}

.form-group input, 
.form-group textarea {
    width: 100%;
    padding: 14px;
    background: var(--input-bg);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    color: var(--color-light);
    font-family: var(--font-primary);
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
}

.form-group textarea {
    resize: none;
}

.form-group input:focus, 
.form-group textarea:focus {
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.08);
}

.form-group label {
    position: absolute;
    left: 14px;
    top: 14px;
    color: rgba(255, 255, 255, 0.4);
    transition: all 0.3s ease;
    pointer-events: none;
    font-size: 0.95rem;
}

.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
    top: -10px;
    left: 10px;
    font-size: 0.75rem;
    color: var(--color-accent);
    background-color: #0a0a0a;
    padding: 2px 6px;
    border-radius: 4px;
}

.btn-submit {
    width: 100%;
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: #000;
    font-weight: 800;
}

/* Rodapé */
.footer {
    background-color: #050505 !important;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 50px 5% 30px 5% !important;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding-bottom: 30px;
}

.footer-info, .footer-contact {
    flex: 1;
    min-width: 250px;
}

.footer-info h3 {
    font-size: 1.3rem;
    letter-spacing: 2px;
    margin-bottom: 12px;
    color: var(--color-accent);
}

.footer-info p {
    opacity: 0.6;
    line-height: 1.6;
    font-size: 0.9rem;
}

.footer-contact h4 {
    font-size: 1rem;
    margin-bottom: 12px;
    font-weight: 500;
}

.footer-contact p {
    opacity: 0.7;
    font-size: 0.85rem;
    margin-bottom: 8px;
    line-height: 1.5;
}

.footer-contact strong {
    color: var(--color-accent);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    font-size: 0.8rem;
    opacity: 0.6;
}

.privacy-link {
    color: var(--color-light);
}

/* Pop-up de Privacidade */
.modal-overlay {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    background-color: rgba(0, 0, 0, 0.9) !important;
    backdrop-filter: blur(8px) !important;
    -webkit-backdrop-filter: blur(8px) !important;
    z-index: 9999 !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    opacity: 0 !important;
    pointer-events: none !important;
    transition: opacity 0.4s ease;
    padding: 15px;
}

.modal-overlay:target {
    opacity: 1 !important;
    pointer-events: auto !important;
}

.modal-box {
    background-color: #121212 !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    padding: 30px;
    border-radius: 14px;
    max-width: 500px;
    width: 100%;
    position: relative;
    transform: translateY(-20px);
    transition: transform 0.4s ease;
}

.modal-overlay:target .modal-box {
    transform: translateY(0);
}

.modal-box h3 {
    font-size: 1.25rem;
    margin-bottom: 15px;
    color: var(--color-accent);
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 1.6rem;
    color: var(--color-light);
    text-decoration: none;
    opacity: 0.5;
}

.modal-body {
    max-height: 200px;
    overflow-y: auto;
    margin-bottom: 20px;
    text-align: left;
}

.modal-body p {
    font-size: 0.9rem;
    opacity: 0.7;
    line-height: 1.5;
}

.btn-modal-close {
    display: block;
    text-align: center;
    background-color: var(--color-light);
    color: #000;
}

/* ==========================================================================
   Media Queries Responsivas Adaptadas para 3, 2 e 1 Coluna
   ========================================================================== */
@media (max-width: 992px) {
    .segmentos-grid {
        grid-template-columns: repeat(2, 1fr); /* 2 colunas em tablets */
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .hero-section {
        padding-top: 110px;
        padding-bottom: 50px;
    }
}

@media (max-width: 650px) {
    .navbar {
        flex-direction: column;
        gap: 10px;
        padding: 10px;
    }
    .nav-links {
        justify-content: center;
        gap: 4px 12px;
    }
    .nav-links a {
        font-size: 0.75rem;
    }
    .hero-section {
        padding-top: 140px;
    }
    .segmentos-grid {
        grid-template-columns: 1fr; /* 1 coluna linear no smartphone */
    }
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }
}