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

:root {
    --primary-color: #00bcd4;
    --primary-dark: #0097a7;
    --primary-light: #4dd0e1;
    --glow-color: rgba(0, 188, 212, 0.6);
    --text-color: #333;
    --bg-color: #0a0e1a;
    --card-bg: rgba(255, 255, 255, 0.98);
    --shadow: rgba(0, 188, 212, 0.3);
}

@media (prefers-color-scheme: dark) {
    :root {
        --text-color: #e0e0e0;
        --bg-color: #0a0e1a;
        --card-bg: rgba(20, 25, 35, 0.98);
        --shadow: rgba(0, 188, 212, 0.4);
    }
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow: hidden;
    position: relative;
}

/* Corner Glows */
.corner-glow {
    position: fixed;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    pointer-events: none;
    z-index: 1;
    filter: blur(100px);
    opacity: 0.5;
    animation: pulse 4s ease-in-out infinite;
}

.corner-glow-tl {
    top: -250px;
    left: -250px;
    background: radial-gradient(circle, var(--glow-color) 0%, transparent 70%);
    animation-delay: 0s;
}

.corner-glow-tr {
    top: -250px;
    right: -250px;
    background: radial-gradient(circle, var(--glow-color) 0%, transparent 70%);
    animation-delay: 1s;
}

.corner-glow-bl {
    bottom: -250px;
    left: -250px;
    background: radial-gradient(circle, var(--glow-color) 0%, transparent 70%);
    animation-delay: 2s;
}

.corner-glow-br {
    bottom: -250px;
    right: -250px;
    background: radial-gradient(circle, var(--glow-color) 0%, transparent 70%);
    animation-delay: 3s;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.4;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.15);
    }
}

/* Fireflies */
.fireflies {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 2;
}

.firefly {
    position: absolute;
    width: 5px;
    height: 5px;
    background: var(--primary-light);
    border-radius: 50%;
    box-shadow: 0 0 12px var(--primary-light), 0 0 24px var(--primary-color);
    animation: fly 12s infinite ease-in-out;
    opacity: 0;
}

@keyframes fly {
    0% {
        opacity: 0;
        transform: translate(0, 0) scale(0);
    }
    5% {
        opacity: 1;
        transform: translate(15px, -20px) scale(1);
    }
    15% {
        opacity: 0.9;
        transform: translate(-25px, -50px) scale(1.3);
    }
    25% {
        opacity: 1;
        transform: translate(35px, -80px) scale(0.9);
    }
    35% {
        opacity: 0.7;
        transform: translate(-18px, -110px) scale(1.1);
    }
    45% {
        opacity: 1;
        transform: translate(28px, -140px) scale(1);
    }
    55% {
        opacity: 0.8;
        transform: translate(-35px, -170px) scale(1.2);
    }
    65% {
        opacity: 1;
        transform: translate(22px, -200px) scale(0.95);
    }
    75% {
        opacity: 0.6;
        transform: translate(-12px, -230px) scale(1.15);
    }
    85% {
        opacity: 0.9;
        transform: translate(32px, -260px) scale(0.85);
    }
    95% {
        opacity: 0.5;
        transform: translate(-22px, -290px) scale(1);
    }
    100% {
        opacity: 0;
        transform: translate(18px, -320px) scale(0);
    }
}

.container {
    width: 100%;
    max-width: 1200px;
    z-index: 10;
    position: relative;
}

.maintenance-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border-radius: 32px;
    border: 1px solid rgba(0, 188, 212, 0.15);
    box-shadow:
            0 20px 60px rgba(0, 0, 0, 0.3),
            0 0 0 1px rgba(255, 255, 255, 0.1) inset;
    padding: 60px;
    display: flex;
    align-items: center;
    gap: 60px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.maintenance-card:hover {
    transform: translateY(-10px);
    box-shadow:
            0 30px 80px rgba(0, 0, 0, 0.4),
            0 0 0 1px rgba(255, 255, 255, 0.15) inset,
            0 0 60px rgba(0, 188, 212, 0.2);
    border-color: rgba(0, 188, 212, 0.3);
}

.logo-container {
    flex-shrink: 0;
    position: relative;
    z-index: 2;
}

.logo {
    width: 240px;
    height: 240px;
    object-fit: contain;
    filter: drop-shadow(0 10px 30px rgba(0, 188, 212, 0.3));
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-12px);
    }
}

.content {
    flex: 1;
    position: relative;
    z-index: 2;
}

h1 {
    color: var(--primary-color);
    font-size: 3.2rem;
    margin-bottom: 28px;
    font-weight: 700;
    letter-spacing: -1px;
    line-height: 1.2;
}

p {
    font-size: 1.25rem;
    line-height: 1.8;
    margin-bottom: 20px;
    opacity: 0.85;
    font-weight: 400;
}

.loader {
    width: 100px;
    height: 6px;
    background: rgba(0, 188, 212, 0.15);
    border-radius: 3px;
    margin-top: 40px;
    position: relative;
    overflow: hidden;
}

.loader::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 40%;
    height: 100%;
    background: linear-gradient(90deg, var(--primary-light), var(--primary-color));
    border-radius: 3px;
    animation: loading 2s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

@keyframes loading {
    0% {
        left: -40%;
    }
    100% {
        left: 100%;
    }
}

/* Tablet */
@media (max-width: 1024px) {
    .corner-glow {
        width: 450px;
        height: 450px;
        filter: blur(90px);
    }

    .corner-glow-tl {
        top: -225px;
        left: -225px;
    }

    .corner-glow-tr {
        top: -225px;
        right: -225px;
    }

    .corner-glow-bl {
        bottom: -225px;
        left: -225px;
    }

    .corner-glow-br {
        bottom: -225px;
        right: -225px;
    }

    .maintenance-card {
        padding: 50px;
        gap: 50px;
        border-radius: 28px;
    }

    .logo {
        width: 200px;
        height: 200px;
    }

    h1 {
        font-size: 2.8rem;
    }

    p {
        font-size: 1.15rem;
    }
}

/* Mobile */
@media (max-width: 768px) {
    body {
        padding: 15px;
    }

    .corner-glow {
        width: 350px;
        height: 350px;
        filter: blur(70px);
        opacity: 0.6;
    }

    .corner-glow-tl {
        top: -175px;
        left: -175px;
    }

    .corner-glow-tr {
        top: -175px;
        right: -175px;
    }

    .corner-glow-bl {
        bottom: -175px;
        left: -175px;
    }

    .corner-glow-br {
        bottom: -175px;
        right: -175px;
    }

    .firefly {
        width: 4px;
        height: 4px;
    }

    .maintenance-card {
        flex-direction: column;
        text-align: center;
        padding: 40px 30px;
        gap: 35px;
        border-radius: 24px;
    }

    .logo {
        width: 180px;
        height: 180px;
    }

    h1 {
        font-size: 2.2rem;
        margin-bottom: 22px;
    }

    p {
        font-size: 1.05rem;
        margin-bottom: 16px;
    }

    .loader {
        width: 80px;
        height: 5px;
        margin: 30px auto 0;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    body {
        padding: 10px;
    }

    .corner-glow {
        width: 280px;
        height: 280px;
        filter: blur(60px);
        opacity: 0.65;
    }

    .corner-glow-tl {
        top: -140px;
        left: -140px;
    }

    .corner-glow-tr {
        top: -140px;
        right: -140px;
    }

    .corner-glow-bl {
        bottom: -140px;
        left: -140px;
    }

    .corner-glow-br {
        bottom: -140px;
        right: -140px;
    }

    .maintenance-card {
        padding: 30px 20px;
        border-radius: 20px;
    }

    .logo {
        width: 150px;
        height: 150px;
    }

    h1 {
        font-size: 1.8rem;
        margin-bottom: 18px;
        letter-spacing: -0.5px;
    }

    p {
        font-size: 0.95rem;
        line-height: 1.6;
        margin-bottom: 14px;
    }

    .loader {
        width: 70px;
        height: 4px;
        margin-top: 25px;
    }
}

/* Extra Small Mobile */
@media (max-width: 360px) {
    .corner-glow {
        width: 240px;
        height: 240px;
        filter: blur(50px);
        opacity: 0.7;
    }

    .corner-glow-tl {
        top: -120px;
        left: -120px;
    }

    .corner-glow-tr {
        top: -120px;
        right: -120px;
    }

    .corner-glow-bl {
        bottom: -120px;
        left: -120px;
    }

    .corner-glow-br {
        bottom: -120px;
        right: -120px;
    }

    .maintenance-card {
        padding: 25px 15px;
    }

    .logo {
        width: 130px;
        height: 130px;
    }

    h1 {
        font-size: 1.5rem;
    }

    p {
        font-size: 0.9rem;
    }

    .loader {
        width: 60px;
    }
}