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

body {
    font-family: 'Inter', sans-serif;
    background-color: #3e768c;
    color: #000;
    overflow-x: hidden;
}

.container {
    position: relative;
    width: 100%;
    min-width: 1440px;
    height: 1024px;
    margin: 0 auto;
    background-color: #3e768c;
}

/* Top Bar */
.top-bar {
    position: absolute;
    width: 100%;
    height: 54px;
    left: 0;
    top: 0;
    background-color: #161616;
}

/* Title Bar */
.title-bar {
    position: absolute;
    width: 100%;
    height: 80px;
    left: 0;
    top: 54px;
    background-color: #133746;
    display: flex;
    align-items: center;
    justify-content: center;
}

.main-title {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 36px;
    color: white;
    margin: 0;
    text-align: center;
}

/* Step Header */
.step-header {
    position: absolute;
    width: 100%;
    top: 134px;
    left: 0;
    padding: 23px 83px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 10;
}

.step-title {
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    font-size: 28px;
    color: white;
    margin: 0;
}

.progress-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.progress-bar {
    width: 357px;
    height: 21px;
    background-color: #8c7d7d;
    border-radius: 76px;
    overflow: hidden;
}

.progress-fill {
    width: 357px;
    height: 21px;
    background-color: #b9a1a1;
    border-radius: 76px;
}

.step-indicator {
    font-family: 'Roboto Slab', serif;
    font-weight: 300;
    font-size: 16px;
    color: white;
    text-align: center;
    margin: 0;
}

/* Content Area */
.content-area {
    position: absolute;
    width: 100%;
    min-height: 720px;
    left: 0;
    top: 216px;
    background-color: #d9d9d9;
    padding: 27px 82px 50px 82px;
}

/* Introduction Text */
.intro-text {
    margin-bottom: 30px;
}

.intro-text p {
    font-family: 'Roboto Condensed', sans-serif;
    font-size: 36px;
    color: #000;
    font-style: italic;
}

/* Main Instruction */
.main-instruction {
    margin-bottom: 42px;
}

.main-instruction p {
    font-family: 'Roboto Slab', serif;
    font-size: 24px;
    color: #000;
    max-width: 1136px;
    line-height: 1.5;
}

/* Demo Image Container */
.demo-image-container {
    margin: 0 auto 42px;
    width: 599px;
    height: 301px;
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.demo-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Duration Info */
.duration-info {
    margin-bottom: 28px;
    text-align: center;
}

.duration-info p {
    font-family: 'Roboto Slab', serif;
    font-weight: 300;
    font-size: 29px;
    color: #000;
}

.duration-info strong {
    font-weight: 700;
}

/* Disposal Instruction */
.disposal-instruction p {
    font-family: 'Roboto Condensed', sans-serif;
    font-size: 29px;
    color: #000;
    max-width: 934px;
}

/* Navigation Buttons */
.prev-button,
.next-button {
    position: absolute;
    bottom: 60px;
    width: 138px;
    height: 46px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.3s;
}

.prev-button {
    left: 75px;
    background-color: #391e1e;
}

.prev-button:hover {
    background-color: #4d2727;
}

.next-button {
    right: 50px;
    background-color: #000;
}

.next-button:hover {
    background-color: #333;
}

.prev-button span,
.next-button span {
    font-family: 'Roboto Mono', monospace;
    font-size: 24px;
    color: white;
}

/* Responsive */
@media (max-width: 1440px) {
    .container {
        width: 100%;
        height: auto;
        min-height: 100vh;
    }
    
    .top-bar,
    .title-bar,
    .step-header,
    .content-area {
        width: 100%;
    }
}