/* 
   Núcleo Manutenção & Pintura - Layout Premium Industrial v5 (Single Screen 100vh)
   Foco: Experiência Imersiva, Sem Rolagem, Compactação Elegante e Autoridade Técnica.
*/

:root {
    --color-primary: #004a99;
    --color-bg: #0a0a0a;
    --color-text: #ffffff;
    --color-subtext: #cccccc;
    --color-muted: #666666;
    --overlay-opacity: 0.8;
    --font-main: 'Montserrat', sans-serif;
    --font-condensed: 'Roboto Condensed', sans-serif;
    --letter-spacing-hero: 0.3rem;
    --letter-spacing-sub: 0.4rem;
}

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

html, body {
    height: 100vh;
    width: 100vw;
    overflow: hidden; /* Remoção obrigatória de scroll */
}

body {
    background-color: var(--color-bg);
    background-image: url('../images/background-industrial.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: var(--color-text);
    font-family: var(--font-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Overlay Cinematográfico com Blur */
.industrial-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, var(--overlay-opacity));
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    z-index: 1;
}

/* Wrapper Premium Single Screen */
.premium-wrapper {
    position: relative;
    z-index: 2;
    height: 100vh;
    width: 100vw;
    display: flex;
    flex-direction: column;
    justify-content: space-around; /* Distribuição equilibrada em 100vh */
    align-items: center;
    text-align: center;
    padding: 2vh 5vw; /* Padding baseado em viewport para compactação */
}

/* Hero Section Compacta */
.hero-section {
    margin-top: 2vh;
}

.premium-title {
    font-size: clamp(2rem, 8vh, 4.5rem); /* Fonte dinâmica baseada na altura */
    font-weight: 700;
    letter-spacing: var(--letter-spacing-hero);
    text-transform: uppercase;
    font-family: var(--font-condensed);
    line-height: 1.1;
    margin-bottom: 1.5vh;
}

.premium-subtitle {
    font-size: clamp(0.7rem, 1.5vh, 0.9rem);
    font-weight: 400;
    letter-spacing: var(--letter-spacing-sub);
    text-transform: uppercase;
    color: var(--color-text);
    opacity: 0.9;
    max-width: 90%;
    margin: 0 auto;
}

/* Middle Section - Compactação Elegante */
.middle-section {
    width: 100%;
    max-width: 500px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4vh; /* Espaçamento vertical dinâmico */
}

/* Barra de Progresso "Fio de Cabelo" */
.progress-container-v3 {
    width: 100%;
    max-width: 350px;
}

.ultra-thin-bar {
    width: 100%;
    height: 2px;
    background: rgba(255, 255, 255, 0.1);
    overflow: hidden;
    margin-bottom: 0.8vh;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: var(--color-primary);
    box-shadow: 0 0 10px rgba(0, 74, 153, 0.5);
    transition: width 3s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.6rem;
    font-weight: 700;
    color: var(--color-muted);
    font-family: var(--font-condensed);
    letter-spacing: 0.15rem;
}

/* Texto Institucional Compacto */
.institutional-block {
    max-width: 480px;
}

.premium-message {
    font-size: clamp(0.8rem, 1.8vh, 1rem);
    line-height: 1.7;
    font-weight: 400;
    color: var(--color-subtext);
    opacity: 0.85;
}

/* CTA Industrial v5 */
.industrial-cta {
    display: inline-block;
    padding: 1.5vh 4vw;
    text-decoration: none;
    color: #ffffff;
    font-weight: 700;
    font-size: clamp(0.7rem, 1.5vh, 0.85rem);
    letter-spacing: 0.2rem;
    text-transform: uppercase;
    transition: all 0.4s ease;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 2px;
}

.industrial-cta:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

/* Footer Minimalista na Base */
.footer-section {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2vh;
    margin-bottom: 2vh;
}

.social-minimal {
    display: flex;
    gap: 20px;
}

.social-link {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.3);
    text-decoration: none;
    transition: color 0.3s ease;
}

.social-link:hover {
    color: var(--color-primary);
}

.contact-grid {
    display: flex;
    justify-content: center;
    gap: 2rem;
    font-size: 0.7rem;
    color: var(--color-muted);
}

.contact-item {
    display: flex;
    gap: 8px;
    align-items: center;
}

.c-label { font-weight: 700; }

/* Responsividade Mobile Single Screen */
@media (max-height: 600px) {
    .premium-wrapper { justify-content: space-between; padding: 3vh 2vw; }
    .middle-section { gap: 2vh; }
    .hero-section { margin-bottom: 1vh; }
}

@media (max-width: 768px) {
    .contact-grid { flex-direction: column; gap: 0.5vh; }
    .premium-title { font-size: 2.2rem; }
    .premium-subtitle { letter-spacing: 0.2rem; }
}