/* === RESET & BASE === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --dark-bg: #0a0a0a;
    --dark-card: #111111;
    --dark-card-hover: #1a1a1a;
    --accent-orange: #ff6b35;
    --accent-red: #ff3838;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --border-color: rgba(255, 107, 53, 0.1);
    --success-color: #10b981;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    background: linear-gradient(135deg, var(--dark-bg) 0%, #1a0a0a 50%, var(--dark-bg) 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* === HERO SECTION === */
.hero {
    text-align: center;
    padding: 80px 20px 60px;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent-orange) 0%, var(--accent-red) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
}

/* === STEP SECTIONS === */
.step {
    margin-bottom: 60px;
}

.step-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 30px;
}

.hidden {
    display: none !important;
}

/* === SERVICES GRID === */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.service-card {
    background: rgba(17, 17, 17, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-orange);
    box-shadow: 0 8px 30px rgba(255, 107, 53, 0.2);
}

.service-card.selected {
    border: 2px solid var(--accent-orange);
    background: rgba(17, 17, 17, 0.9);
}

.service-icon {
    font-size: 3.5rem;
    margin-bottom: 15px;
    display: block;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 15px;
}

.service-price {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-orange) 0%, var(--accent-red) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* === PAYMENT OPTIONS === */
.payment-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.payment-card {
    background: rgba(17, 17, 17, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px 30px;
    cursor: pointer;
    text-align: center;
    transition: all 0.3s ease;
}

.payment-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-orange);
}

.payment-card.selected {
    border: 2px solid var(--accent-orange);
    background: rgba(17, 17, 17, 0.9);
}

.payment-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.payment-card h3 {
    font-size: 1.75rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.payment-description {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.payment-price {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-orange) 0%, var(--accent-red) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.payment-price.success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* === PROGRESS BAR === */
.progress-section {
    margin-bottom: 60px;
}

.progress-card {
    background: rgba(17, 17, 17, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 30px;
}

.progress-card h3 {
    font-size: 1.75rem;
    margin-bottom: 20px;
    font-weight: 600;
}

.progress-bar-container {
    position: relative;
    height: 60px;
    background: var(--dark-bg);
    border-radius: 30px;
    overflow: hidden;
    margin-bottom: 20px;
}

.progress-bar {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--accent-orange) 0%, var(--accent-red) 100%);
    border-radius: 30px;
    transition: width 0.5s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 60px;
}

.progress-text {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.5rem;
    font-weight: 700;
    z-index: 10;
}

.progress-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
}

.progress-hint {
    color: var(--accent-orange);
    font-size: 0.95rem;
    text-align: center;
}

.progress-hint.success {
    color: var(--success-color);
    font-size: 1.1rem;
    font-weight: 600;
}

/* === PROGRAMS === */
.programs-category {
    margin-bottom: 50px;
}

.category-title {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
}

.program-card {
    background: rgba(17, 17, 17, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.program-card:hover {
    transform: translateY(-3px);
    border-color: var(--accent-orange);
}

.program-card.selected {
    border: 2px solid var(--accent-orange);
    background: rgba(17, 17, 17, 0.9);
}

.program-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}

.program-info {
    flex: 1;
    display: flex;
    gap: 15px;
}

.program-icon-large {
    font-size: 2.5rem;
}

.program-details h4 {
    font-size: 1.25rem;
    margin-bottom: 5px;
    font-weight: 600;
}

.program-details p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.program-checkbox {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    border: 2px solid #444;
    background: var(--dark-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.program-card.selected .program-checkbox {
    background: linear-gradient(135deg, var(--accent-orange) 0%, var(--accent-red) 100%);
    border-color: var(--accent-orange);
}

.program-checkbox::after {
    content: '✓';
    color: white;
    font-size: 1.2rem;
    font-weight: bold;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.program-card.selected .program-checkbox::after {
    opacity: 1;
}

.program-features {
    list-style: none;
    margin-bottom: 15px;
}

.program-features li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    padding: 5px 0;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.program-features li::before {
    content: '•';
    color: var(--accent-orange);
    font-size: 1.2rem;
    line-height: 1;
}

.program-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.program-price-info {
    display: flex;
    flex-direction: column;
}

.program-original-price {
    color: var(--text-secondary);
    text-decoration: line-through;
    font-size: 0.9rem;
}

.program-free {
    color: var(--success-color);
    font-weight: 600;
    font-size: 1.1rem;
}

.program-discount-info {
    text-align: right;
}

.program-discount {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-orange);
}

.program-discount-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* === ORDER BUTTON === */
.order-btn {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--accent-orange) 0%, var(--accent-red) 100%);
    color: white;
    border: none;
    padding: 18px 50px;
    font-size: 1.25rem;
    font-weight: 700;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: 0 10px 40px rgba(255, 107, 53, 0.4);
    transition: all 0.3s ease;
    z-index: 1000;
}

.order-btn:hover {
    transform: translateX(-50%) translateY(-3px);
    box-shadow: 0 15px 50px rgba(255, 107, 53, 0.6);
}

.order-btn:active {
    transform: translateX(-50%) translateY(0);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .hero {
        padding: 60px 20px 40px;
    }

    .services-grid,
    .payment-options,
    .programs-grid {
        grid-template-columns: 1fr;
    }

    .progress-stats {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .stat-value {
        font-size: 2rem;
    }

    .order-btn {
        width: calc(100% - 40px);
        left: 20px;
        right: 20px;
        transform: none;
    }

    .order-btn:hover {
        transform: translateY(-3px);
    }
}

@media (max-width: 480px) {
    .program-header {
        flex-direction: column;
    }

    .program-checkbox {
        align-self: flex-end;
    }
}