/* ==========================================================================
   Design Tokens & Variáveis Globais
   ========================================================================== */
:root {
    --bg-base: #06070a;
    --bg-surface: rgba(14, 17, 24, 0.68);
    
    --text-primary: #f8fafc;
    --accent-cyan: #38bdf8;
    --accent-indigo: #6366f1;
    --accent-violet: #a855f7;

    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-highlight: rgba(255, 255, 255, 0.2);

    --font-heading: 'Syne', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);

    --mouse-x: 50vw;
    --mouse-y: 50vh;
    --card-mouse-x: 50%;
    --card-mouse-y: 50%;
}

/* ==========================================================================
   Reset & Configurações de Base
   ========================================================================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-body);
    user-select: none;
    -webkit-user-select: none;
}

/* ==========================================================================
   Camadas Visuais de Fundo e Luz
   ========================================================================== */
.ambient-mesh {
    position: fixed;
    inset: 0;
    background: 
        radial-gradient(circle at 18% 18%, rgba(99, 102, 241, 0.12) 0%, transparent 45%),
        radial-gradient(circle at 82% 82%, rgba(168, 85, 247, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(56, 189, 248, 0.06) 0%, transparent 60%);
    pointer-events: none;
    z-index: 1;
}

.interactive-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: radial-gradient(
        700px circle at var(--mouse-x) var(--mouse-y),
        rgba(99, 102, 241, 0.14),
        rgba(56, 189, 248, 0.05) 35%,
        transparent 70%
    );
    pointer-events: none;
    z-index: 2;
    will-change: background;
}

.particle-canvas {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 3;
}

/* ==========================================================================
   Viewport & Layout Centralizado
   ========================================================================== */
.viewport-wrapper {
    position: relative;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    min-height: 100dvh;
    padding: clamp(1.25rem, 3.5vw, 3rem);
    perspective: 1200px;
}

/* ==========================================================================
   Cartão em Vidro Fosco Harmonioso (Dimensões Calibradas)
   ========================================================================== */
.maintenance-card {
    position: relative;
    width: 100%;
    max-width: min(90vw, 620px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: clamp(2.5rem, 4.5vw, 3.5rem) clamp(1.75rem, 4vw, 3.25rem);
    background: var(--bg-surface);
    backdrop-filter: blur(28px) saturate(180%);
    -webkit-backdrop-filter: blur(28px) saturate(180%);
    border-radius: clamp(20px, 3vw, 28px);
    border: 1px solid var(--border-subtle);
    box-shadow: 
        0 25px 60px -15px rgba(0, 0, 0, 0.75),
        0 0 0 1px rgba(255, 255, 255, 0.04),
        inset 0 1px 0 rgba(255, 255, 255, 0.15),
        inset 0 -1px 0 rgba(0, 0, 0, 0.4);
    transform-style: preserve-3d;
    will-change: transform;
    transition: transform 0.2s var(--ease-out-expo), box-shadow 0.4s var(--ease-out-expo), border-color 0.4s ease;
    animation: cardEntrance 1.2s var(--ease-out-expo) forwards;
    opacity: 0;
    overflow: hidden;
}

.maintenance-card:hover {
    border-color: var(--border-highlight);
    box-shadow: 
        0 35px 80px -18px rgba(0, 0, 0, 0.85),
        0 0 35px rgba(99, 102, 241, 0.16),
        0 0 0 1px rgba(255, 255, 255, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.card-glow-border {
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    background: radial-gradient(
        400px circle at var(--card-mouse-x) var(--card-mouse-y),
        rgba(255, 255, 255, 0.25),
        rgba(99, 102, 241, 0.2),
        transparent 65%
    );
    z-index: -1;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.maintenance-card:hover .card-glow-border {
    opacity: 1;
}

.card-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(1.25rem, 2vw, 1.85rem);
    transform: translateZ(25px);
}

/* ==========================================================================
   Sinalizador de Status Minimalista
   ========================================================================== */
.status-beacon {
    position: relative;
    width: 12px;
    height: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.beacon-core {
    width: 7px;
    height: 7px;
    background: var(--accent-cyan);
    border-radius: 50%;
    box-shadow: 
        0 0 10px var(--accent-cyan),
        0 0 20px rgba(56, 189, 248, 0.6);
    z-index: 2;
}

.beacon-pulse {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: rgba(56, 189, 248, 0.4);
    animation: pulseRing 2.6s cubic-bezier(0.24, 0, 0.38, 1) infinite;
    z-index: 1;
}

/* ==========================================================================
   Tipografia Harmoniosa e Calibrada
   ========================================================================== */
.maintenance-title {
    font-family: var(--font-heading);
    font-size: clamp(1.25rem, 1.8vw + 0.6rem, 2.35rem);
    font-weight: 700;
    line-height: 1.35;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-align: center;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.35em;
    background: linear-gradient(
        180deg,
        #ffffff 0%,
        #f1f5f9 40%,
        #cbd5e1 75%,
        #94a3b8 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
    filter: drop-shadow(0 2px 10px rgba(255, 255, 255, 0.05));
    transition: filter 0.3s ease;
}

.maintenance-title:hover {
    filter: drop-shadow(0 3px 18px rgba(99, 102, 241, 0.28));
}

.maintenance-title .word {
    display: inline-block;
    opacity: 0;
    transform: translateY(18px) scale(0.97);
    animation: wordReveal 1s var(--ease-out-expo) forwards;
}

.maintenance-title .word:nth-child(1) { animation-delay: 0.2s; }
.maintenance-title .word:nth-child(2) { animation-delay: 0.32s; }
.maintenance-title .word:nth-child(3) { animation-delay: 0.44s; }

/* ==========================================================================
   Animações
   ========================================================================== */
@keyframes cardEntrance {
    0% {
        opacity: 0;
        transform: translateY(35px) scale(0.96);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes wordReveal {
    0% {
        opacity: 0;
        transform: translateY(18px) scale(0.97);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes pulseRing {
    0% {
        transform: scale(0.8);
        opacity: 0.9;
    }
    50% {
        opacity: 0.4;
    }
    100% {
        transform: scale(3.2);
        opacity: 0;
    }
}

/* ==========================================================================
   Ajustes Responsivos
   ========================================================================== */
@media (max-width: 768px) {
    .maintenance-card {
        padding: 2.5rem 1.5rem;
        max-width: 90vw;
        border-radius: 22px;
        background: rgba(14, 17, 24, 0.8);
    }

    .maintenance-title {
        font-size: clamp(1.2rem, 5vw, 1.6rem);
        letter-spacing: 0.06em;
        gap: 0.3em;
    }
}

@media (max-width: 480px) {
    .viewport-wrapper {
        padding: 1rem;
    }

    .maintenance-card {
        width: 100%;
        max-width: 92vw;
        padding: 2.25rem 1.25rem;
        border-radius: 18px;
    }

    .maintenance-title {
        font-size: clamp(1.15rem, 5.5vw, 1.45rem);
        line-height: 1.3;
        letter-spacing: 0.05em;
    }
}

@media (min-width: 1800px) {
    .maintenance-title {
        font-size: 2.35rem;
        letter-spacing: 0.08em;
    }
}

/* Acessibilidade para Movimento Reduzido */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}