@font-face {
    font-family: Roboto;
    src: url('../fonts/Roboto-Regular.ttf');
}

html,
body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    background-color: #111;
}

.wrapper-main {
    width: 100%;
    height: 100%;
    margin: 0;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

#introVideo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.start-button {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    padding: 14px 28px;
    font-size: 18px;
    font-family: Roboto, sans-serif;
    font-weight: 700;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    background: rgba(6, 100, 220, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 999px;
    box-shadow: 0 0 40px rgba(0, 170, 255, 0.35);
    backdrop-filter: blur(10px);
    cursor: pointer;
}

.start-button.hidden {
    opacity: 0;
    pointer-events: none;
}

/* General hidden utility */
.hidden {
    opacity: 0;
    pointer-events: none;
}

button {
    transition: opacity 0.8s ease-in-out;
}

.timer-container {
    position: absolute;
    top: 200px;
    right: 150px;
    z-index: 10;
    padding: 10px 18px;
    font-size: 16px;
    font-family: Roboto, sans-serif;
    font-weight: 700;
    color: #fff;
    background: rgba(91, 223, 238, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 8px;
    box-shadow: 0 6px 20px rgba(220,20,60,0.18);
}

.timer-container.hidden {
    display: none;
}

.photoshop-button {
    position: absolute;
    right: 150px;
    top: 24px;
    z-index: 10;
    padding: 10px 18px;
    font-size: 16px;
    font-family: Roboto, sans-serif;
    font-weight: 700;
    color: #fff;
    background: rgba(91, 223, 238, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.978);
    border-radius: 8px;
    box-shadow: 0 6px 20px rgba(220,20,60,0.18);
    cursor: pointer;
}
.dsmax-button {
    position: absolute;
    right: 150px;
    top: 85px;
    z-index: 10;
    padding: 10px 18px;
    font-size: 16px;
    font-family: Roboto, sans-serif;
    font-weight: 700;
    color: #fff;
    background: rgba(91, 223, 238, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.978);
    border-radius: 8px;
    box-shadow: 0 6px 20px rgba(220,20,60,0.18);
    cursor: pointer;
}
.AI-button {
    position: absolute;
    right: 150px;
    top: 150px;
    z-index: 10;
    padding: 10px 18px;
    font-size: 16px;
    font-family: Roboto, sans-serif;
    font-weight: 700;
    color: #fff;
    background: rgba(91, 223, 238, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.978);
    border-radius: 8px;
    box-shadow: 0 6px 20px rgba(220,20,60,0.18);
    cursor: pointer;
}
.windows-button {
    position: absolute;
    right: 150px;
    top: 210px;
    z-index: 10;
    padding: 10px 18px;
    font-size: 16px;
    font-family: Roboto, sans-serif;
    font-weight: 700;
    color: #fff;
    background: rgba(91, 223, 238, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.978);
    border-radius: 8px;
    box-shadow: 0 6px 20px rgba(220,20,60,0.18);
    cursor: pointer;
}
.lessen-button {
    position: absolute;
    right: 150px;
    top: 275px;
    z-index: 10;
    padding: 10px 18px;
    font-size: 16px;
    font-family: Roboto, sans-serif;
    font-weight: 700;
    color: #fff;
    background: rgba(91, 223, 238, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.978);
    border-radius: 8px;
    box-shadow: 0 6px 20px rgba(220,20,60,0.18);
    cursor: pointer;
}

/* Mobile responsive styles */
@media (max-width: 768px) {
    #introVideo {
        width: 100%;
        height: auto;
        min-height: 100vh;
    }

    .start-button {
        padding: 10px 20px;
        font-size: 14px;
    }

    .photoshop-button,
    .dsmax-button,
    .AI-button,
    .windows-button,
    .lessen-button {
        position: absolute;
        right: 12px;
        padding: 8px 14px;
        font-size: 12px;
    }

    .photoshop-button {
        top: 12px;
    }

    .dsmax-button {
        top: 50px;
    }

    .AI-button {
        top: 88px;
    }

    .windows-button {
        top: 126px;
    }
    .lessen-button {
        top: 164px;
    }
}

@media (max-width: 480px) {
    #introVideo {
        width: 100%;
        height: auto;
        min-height: 100vh;
    }

    .start-button {
        padding: 8px 16px;
        font-size: 12px;
    }

    .photoshop-button,
    .dsmax-button,
    .AI-button,
    .windows-button,
    .lessen-button {
        right: 8px;
        padding: 6px 12px;
        font-size: 11px;
    }

    .photoshop-button {
        top: 8px;
    }

    .dsmax-button {
        top: 42px;
    }

    .AI-button {
        top: 76px;
    }

    .windows-button {
        top: 110px;
    }
    .lessen-button {
        top: 140px;
    }
}