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

:root {
    /* Fluid Typography */
    --fs-base: clamp(0.9rem, 0.8rem + 0.5vw, 1.1rem);
    --fs-small: clamp(0.8rem, 0.7rem + 0.4vw, 0.95rem);
    --fs-h1: clamp(1.4rem, 1.2rem + 1.5vw, 2.5rem);
    --fs-h2: clamp(1.3rem, 1rem + 1vw, 2rem);
    --fs-h3: clamp(1.1rem, 0.9rem + 0.6vw, 1.4rem);
    --fs-step-title: clamp(1.1rem, 0.9rem + 0.6vw, 1.4rem);
    
    /* Fluid Spacing */
    --spacing-xs: clamp(10px, 2vw, 15px);
    --spacing-sm: clamp(15px, 3vw, 25px);
    --spacing-md: clamp(25px, 4vw, 40px);
    --spacing-lg: clamp(40px, 5vw, 60px);
    
    /* Fluid Sizes */
    --logo-size: clamp(100px, 15vw, 180px);
    --container-width: min(1200px, 95vw);
    --section-padding: clamp(25px, 4vw, 50px) clamp(20px, 3vw, 40px);
    
    /* Colors */
    --color-primary: #1976d2;
    --color-primary-dark: #1565c0;
    --color-accent: #d4af37;
    --color-accent-light: #f4e5a1;
    --color-text: #333;
    --color-text-light: #555;
    --color-bg-light: #f8f9fa;
    --color-white: #ffffff;
    --color-warning: #fff3cd;
    --color-warning-border: #ffc107;
    --color-warning-text: #856404;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(to bottom, #f8f9fa 0%, #e9ecef 100%);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    font-size: var(--fs-base);
}

/* Header Section */
.header {
    display: grid;
    place-items: center;
    text-align: center;
    padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-md);
    color: white;
    position: relative;
    overflow: hidden;
    background-image: url("/img/header.jpg");
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    z-index: 1;
    gap: var(--spacing-xs);
}

.header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(97, 96, 96, 0.7);
    backdrop-filter: blur(10px);
    z-index: -1;
    animation: fadeIn 0.5s ease-in-out forwards;
}

.logo-container {
    display: grid;
    place-items: center;
    width: var(--logo-size);
    height: var(--logo-size);
    animation: fadeIn 0.8s ease-out;
    position: relative;
    z-index: 1;
    overflow: visible;
}

.logo-container img {
    width: 300%;
    height: auto;
    object-fit: contain;
    transform: scale(clamp(1.2, 1vw + 1, 1.6));
}

.header h1 {
    font-size: var(--fs-h1);
    margin-bottom: var(--spacing-xs);
    animation: fadeInUp 0.8s ease-out 0.2s both;
    position: relative;
    z-index: 1;
    max-width: 90vw;
}

.header p {
    font-size: var(--fs-base);
    max-width: min(700px, 90vw);
    margin: 0 auto;
    opacity: 0.95;
    animation: fadeInUp 0.8s ease-out 0.4s both;
    position: relative;
    z-index: 1;
    padding: 0 var(--spacing-xs);
}

.divider {
    width: clamp(60px, 10vw, 100px);
    height: 3px;
    background: linear-gradient(to right, var(--color-accent), var(--color-accent-light), var(--color-accent));
    margin: var(--spacing-md) auto;
    border-radius: 2px;
    animation: fadeIn 1s ease-out 0.6s both;
}

/* Container with Grid */
.container {
    width: var(--container-width);
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-sm);
    display: grid;
    gap: var(--spacing-md);
}

/* Instruction Section */
.instruction-section {
    background: var(--color-white);
    border-radius: clamp(12px, 2vw, 20px);
    padding: var(--section-padding);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    animation: fadeInUp 0.8s ease-out 0.8s both;
    display: grid;
    gap: var(--spacing-md);
}

.instruction-section h2 {
    font-size: var(--fs-h2);
    color: var(--color-primary);
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.instruction-section > p {
    font-size: var(--fs-base);
    color: var(--color-text-light);
    line-height: 1.8;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

/* Subsection Styling */
.subsection {
    background: var(--color-bg-light);
    border-left: 4px solid var(--color-primary);
    padding: var(--spacing-sm) clamp(20px, 3vw, 30px);
    border-radius: clamp(8px, 1.5vw, 12px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    display: grid;
    gap: var(--spacing-xs);
}

.subsection:hover {
    transform: translateX(5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
    background: var(--color-white);
}

.subsection h3 {
    color: var(--color-primary);
    font-size: var(--fs-h3);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.subsection ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: clamp(8px, 1vw, 12px);
}

.subsection ul li {
    padding-left: clamp(30px, 4vw, 35px);
    position: relative;
    color: var(--color-text-light);
    font-size: var(--fs-base);
    line-height: 1.7;
    transition: all 0.2s ease;
}

.subsection ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    background: var(--color-primary);
    color: white;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 0.85rem;
    font-weight: bold;
}

.subsection ul li:hover {
    padding-left: clamp(35px, 5vw, 40px);
    color: var(--color-primary);
}

.subsection ul li strong {
    color: var(--color-primary);
    font-weight: 600;
}

/* Step-by-Step Styling */
.step-container {
    background: var(--color-bg-light);
    border-radius: clamp(12px, 2vw, 16px);
    padding: clamp(20px, 3vw, 30px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    border-left: 5px solid var(--color-primary);
    transition: all 0.3s ease;
    display: grid;
    gap: var(--spacing-sm);
}

.step-container:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.step-header {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: var(--spacing-xs);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid #e9ecef;
}

.step-number {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    width: clamp(38px, 5vw, 45px);
    height: clamp(38px, 5vw, 45px);
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: clamp(1.1rem, 1.5vw, 1.3rem);
    font-weight: bold;
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(25, 118, 210, 0.3);
}

.step-title {
    color: var(--color-primary);
    font-size: var(--fs-step-title);
    font-weight: 600;
    margin: 0;
}

.step-container ol {
    list-style: none;
    counter-reset: step-counter;
    padding: 0;
    margin: 0;
    display: grid;
    gap: clamp(10px, 1.5vw, 12px);
}

.step-container ol li {
    counter-increment: step-counter;
    padding: clamp(12px, 2vw, 15px) clamp(15px, 2vw, 20px) clamp(12px, 2vw, 15px) clamp(45px, 6vw, 55px);
    position: relative;
    color: var(--color-text-light);
    font-size: var(--fs-base);
    line-height: 1.7;
    background: var(--color-white);
    border-radius: clamp(8px, 1.5vw, 10px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: all 0.2s ease;
}

.step-container ol li::before {
    content: counter(step-counter);
    position: absolute;
    left: clamp(12px, 2vw, 15px);
    top: clamp(12px, 2vw, 15px);
    background: var(--color-accent);
    color: white;
    width: clamp(24px, 3vw, 28px);
    height: clamp(24px, 3vw, 28px);
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: clamp(0.8rem, 1vw, 0.9rem);
    font-weight: bold;
}

.step-container ol li:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    background: var(--color-bg-light);
}

.step-container ol li strong {
    color: var(--color-primary);
    font-weight: 600;
}

.step-note {
    background: var(--color-warning);
    border-left: 4px solid var(--color-warning-border);
    padding: clamp(12px, 2vw, 15px) clamp(15px, 2vw, 20px);
    border-radius: clamp(6px, 1vw, 8px);
    font-style: italic;
    color: var(--color-warning-text);
    font-size: var(--fs-base);
}

.step-note::before {
    content: '⚠️ ';
    font-style: normal;
    margin-right: 8px;
}

/* Contact Section */
.contact-section {
    background: var(--color-white);
    border-radius: clamp(12px, 2vw, 20px);
    padding: clamp(25px, 4vw, 30px) clamp(20px, 3vw, 40px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    text-align: left;
    animation: fadeInUp 0.8s ease-out 0.8s both;
    display: grid;
    gap: var(--spacing-sm);
}

.contact-section h2 {
    color: var(--color-primary);
    font-size: clamp(1.3rem, 1.5vw, 1.8rem);
}

.contact-section p {
    font-size: var(--fs-base);
    color: var(--color-text-light);
    line-height: 1.8;
    margin: 0;
}

.contact-section strong {
    color: black;
    font-weight: 600;
}

.contact-section a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.contact-section a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

/* Footer */
.footer {
    text-align: center;
    padding: clamp(20px, 4vw, 30px) var(--spacing-sm);
    background: var(--color-primary);
    color: white;
    margin-top: var(--spacing-lg);
    font-size: var(--fs-small);
}

.footer::before {
    content: '';
    display: block;
    width: clamp(60px, 10vw, 80px);
    height: 3px;
    background: linear-gradient(to right, var(--color-accent), var(--color-accent-light), var(--color-accent));
    margin: 0 auto var(--spacing-sm);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Grid Adjustments */
@media (max-width: 768px) {
    .step-header {
        grid-template-columns: 1fr;
        text-align: left;
    }
    
    .step-number {
        justify-self: start;
    }
}

/* Landscape Orientation for Mobile */
@media (max-height: 500px) and (orientation: landscape) {
    .logo-container {
        --logo-size: clamp(60px, 10vw, 80px);
    }
    
    .logo-container img {
        transform: scale(1.2);
    }
    
    .header {
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .header h1 {
        font-size: clamp(1.3rem, 2vw, 1.5rem);
        margin-bottom: var(--spacing-xs);
    }
    
    .instruction-section,
    .contact-section {
        padding: var(--spacing-sm) clamp(15px, 3vw, 25px);
    }
}

/* Print Styles */
@media print {
    .header {
        background: none;
        color: black;
    }
    
    .header::before {
        display: none;
    }
    
    .step-container:hover,
    .subsection:hover {
        transform: none;
    }
}