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

:root {
    --primary-color: #1e40af;
    --primary-dark: #1e3a8a;
    --primary-light: #3b82f6;
    --accent-color: #3b82f6;
    --accent-hover: #2563eb;
    --secondary-color: #10b981;
    --secondary-light: #34d399;
    --tertiary-color: #f59e0b;
    --tertiary-light: #fbbf24;
    --orange-color: #f97316;
    --orange-light: #fb923c;
    --red-color: #ef4444;
    --red-light: #f87171;
    --text-color: #1e293b;
    --text-light: #64748b;
    --text-lighter: #94a3b8;
    --bg-color: #ffffff;
    --bg-light: #f8fafc;
    --bg-section: #f1f5f9;
    --bg-gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --bg-gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --bg-gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --bg-gradient-4: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    --bg-gradient-5: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    --bg-gradient-6: linear-gradient(135deg, #30cfd0 0%, #330867 100%);
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-colored: 0 10px 30px rgba(59, 130, 246, 0.3);
    --gradient-primary: linear-gradient(135deg, #1e40af 0%, #3b82f6 50%, #60a5fa 100%);
    --gradient-accent: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    --gradient-warning: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.7;
    color: var(--text-color);
    background: var(--bg-color);
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    margin: 0;
    padding: 0;
    zoom: 1;
    -webkit-text-size-adjust: 100%;
}

/* Navigation Header */
.main-header {
    background: var(--gradient-primary);
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar {
    max-width: 100%;
    margin: 0;
    padding: 0;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.nav-logo h1 {
    color: white;
    font-size: 1.75rem;
    font-weight: 800;
    margin: 0;
    letter-spacing: -0.02em;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 40px;
}

.nav-menu li a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.3s ease;
    padding: 8px 0;
    position: relative;
}

.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: white;
    transition: width 0.3s ease;
}

.nav-menu li a:hover {
    color: white;
}

.nav-menu li a:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 5px;
    gap: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: white;
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* Page Header */
.page-header {
    background: var(--gradient-primary);
    color: white;
    padding: 100px 40px 80px;
    text-align: center;
    width: 100%;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.page-header > * {
    position: relative;
    z-index: 1;
}

.page-header h1 {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 20px;
    letter-spacing: -0.03em;
    line-height: 1.1;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.page-header .subtitle {
    font-size: 1.3rem;
    opacity: 0.95;
    font-weight: 400;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

main {
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: 0;
}

/* Calculator Section */
.calculator-section {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    padding: 60px 20px;
    margin: 0;
    width: 100%;
    max-width: 100%;
    position: relative;
    overflow: hidden;
}

.calculator-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.3;
}

.calculator-section h2 {
    color: white;
    font-size: 2.25rem;
    margin-bottom: 15px;
    text-align: center;
    font-weight: 800;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 1;
}

.calculator-subtitle {
    text-align: center;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 50px;
    font-size: 1.15rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
}

.calculator-form {
    max-width: 1000px;
    margin: 0 auto;
    background: white;
    padding: 50px;
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    z-index: 1;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 25px;
}

.form-group {
    margin-bottom: 30px;
}

.form-group label {
    display: block;
    margin-bottom: 12px;
    color: var(--text-color);
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: -0.01em;
}

.form-group select {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 1rem;
    background: white;
    color: var(--text-color);
    transition: all 0.3s ease;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 12 12'%3E%3Cpath fill='%231e293b' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 20px center;
    background-size: 14px;
    cursor: pointer;
    font-weight: 500;
}

.form-group select:hover {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15);
}

.form-hint {
    font-size: 0.875rem;
    color: var(--text-lighter);
    font-style: italic;
    margin-top: 10px;
    line-height: 1.5;
}

.btn-primary {
    width: 100%;
    padding: 20px 32px;
    background: var(--gradient-accent);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
    margin-top: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
}

.btn-primary:active {
    transform: translateY(0);
}

.price-result {
    margin-top: 50px;
    animation: fadeInUp 0.6s ease;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

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

.price-card {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border: 2px solid var(--accent-color);
    border-radius: 20px;
    padding: 50px;
    text-align: center;
    max-width: 100%;
    margin: 0 auto 30px;
    box-shadow: var(--shadow-lg);
}

.price-card h3 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 30px;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.price-details {
    margin-bottom: 35px;
}

.price-details p {
    margin-bottom: 18px;
    font-size: 1.15rem;
    color: var(--text-color);
    font-weight: 500;
}

.price-details strong {
    color: var(--primary-color);
    font-weight: 700;
}

.price-amount {
    margin-top: 30px;
    padding-top: 30px;
    border-top: 2px solid var(--border-color);
}

.price-label {
    display: block;
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.price-value {
    display: block;
    font-size: 4rem;
    font-weight: 900;
    color: var(--accent-color);
    letter-spacing: -0.03em;
    line-height: 1;
}

.price-note {
    font-size: 0.875rem;
    color: var(--text-lighter);
    font-style: italic;
    margin-top: 20px;
    text-align: center;
    line-height: 1.6;
}

/* Service Point Card */
.service-point-card {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    border: 2px solid #10b981;
    border-radius: 20px;
    padding: 40px;
    margin-top: 30px;
    box-shadow: var(--shadow-lg);
}

.service-point-card h3 {
    color: var(--primary-color);
    font-size: 1.75rem;
    margin-bottom: 25px;
    font-weight: 800;
    letter-spacing: -0.02em;
    text-align: center;
}

.service-point-details {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 30px;
    align-items: start;
}

.service-point-info h4 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.service-point-info p {
    margin-bottom: 15px;
    font-size: 1.05rem;
    color: var(--text-color);
    line-height: 1.7;
}

.service-point-info strong {
    color: var(--primary-color);
    font-weight: 600;
}

.service-address,
.service-contact,
.service-hours,
.service-distance {
    margin-bottom: 20px;
}

.service-point-actions {
    display: flex;
    flex-direction: column;
    gap: 15px;
    min-width: 180px;
}

.btn-service {
    background: var(--gradient-success);
    color: white;
    border: none;
    border-radius: 12px;
    padding: 14px 24px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-service:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, #34d399 0%, #10b981 100%);
}

/* Info Section */
.info-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin: 60px 20px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.info-card {
    background: var(--bg-color);
    border: 2px solid var(--border-color);
    border-radius: 20px;
    padding: 45px;
    box-shadow: var(--shadow);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.info-card:nth-child(1) {
    border-top: 4px solid #3b82f6;
    background: linear-gradient(135deg, #ffffff 0%, #eff6ff 100%);
}

.info-card:nth-child(2) {
    border-top: 4px solid #10b981;
    background: linear-gradient(135deg, #ffffff 0%, #ecfdf5 100%);
}

.info-card:nth-child(3) {
    border-top: 4px solid #f59e0b;
    background: linear-gradient(135deg, #ffffff 0%, #fffbeb 100%);
}

.info-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.info-card:nth-child(1)::before {
    background: linear-gradient(90deg, #3b82f6, #60a5fa);
}

.info-card:nth-child(2)::before {
    background: linear-gradient(90deg, #10b981, #34d399);
}

.info-card:nth-child(3)::before {
    background: linear-gradient(90deg, #f59e0b, #fbbf24);
}

.info-card:hover::before {
    transform: scaleX(1);
}

.info-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border-color: var(--accent-color);
}

.info-card h2 {
    color: var(--primary-color);
    font-size: 1.875rem;
    margin-bottom: 20px;
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.info-card h3 {
    color: var(--primary-light);
    font-size: 1.4rem;
    margin-top: 30px;
    margin-bottom: 18px;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.info-card p {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.8;
    font-size: 1.05rem;
}

.info-card ul {
    list-style: none;
    padding-left: 0;
    margin-top: 20px;
}

.info-card ul li {
    padding: 12px 0;
    padding-left: 35px;
    position: relative;
    color: var(--text-light);
    line-height: 1.7;
    font-size: 1.05rem;
}

.info-card ul li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
    font-size: 1.3rem;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 50%;
}

/* Transmission Section */
.transmission-section {
    margin: 60px 20px;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 50%, #bae6fd 100%);
    padding: 50px 30px;
    border-radius: 24px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    border: 2px solid #3b82f6;
    box-shadow: 0 20px 60px rgba(59, 130, 246, 0.2);
    position: relative;
    overflow: hidden;
}

.transmission-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.transmission-section h2 {
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 40px;
    text-align: center;
    font-weight: 900;
    letter-spacing: -0.03em;
}

.transmission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 40px;
}

.transmission-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 24px;
    padding: 50px;
    box-shadow: var(--shadow);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.transmission-card:nth-child(1) {
    border-top: 5px solid #3b82f6;
    background: linear-gradient(135deg, #ffffff 0%, #eff6ff 100%);
}

.transmission-card:nth-child(2) {
    border-top: 5px solid #10b981;
    background: linear-gradient(135deg, #ffffff 0%, #ecfdf5 100%);
}

.transmission-card::after {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.transmission-card:nth-child(2)::after {
    background: radial-gradient(circle, rgba(16, 185, 129, 0.15) 0%, transparent 70%);
}

.transmission-card:hover {
    box-shadow: 0 20px 50px rgba(59, 130, 246, 0.25);
    border-color: var(--accent-color);
    transform: translateY(-8px) scale(1.02);
}

.transmission-card h3 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 20px;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.transmission-card h4 {
    color: var(--text-color);
    font-size: 1.3rem;
    margin-top: 30px;
    margin-bottom: 15px;
    font-weight: 700;
}

.transmission-card p {
    color: var(--text-light);
    line-height: 1.9;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.transmission-card ul {
    list-style: none;
    padding-left: 0;
}

.transmission-card ul li {
    padding: 12px 0;
    padding-left: 35px;
    position: relative;
    color: var(--text-light);
    line-height: 1.8;
    font-size: 1.05rem;
}

.transmission-card ul li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
    font-size: 1.8rem;
    line-height: 1;
}

/* When Section */
.when-section {
    margin: 60px 20px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.when-section h2 {
    color: var(--primary-color);
    font-size: 3rem;
    margin-bottom: 50px;
    text-align: center;
    font-weight: 900;
    letter-spacing: -0.03em;
}

.when-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 35px;
}

.when-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.when-card:nth-child(1) {
    border-left: 5px solid #f59e0b;
    background: linear-gradient(135deg, #ffffff 0%, #fffbeb 100%);
}

.when-card:nth-child(2) {
    border-left: 5px solid #ef4444;
    background: linear-gradient(135deg, #ffffff 0%, #fef2f2 100%);
}

.when-card:nth-child(3) {
    border-left: 5px solid #f97316;
    background: linear-gradient(135deg, #ffffff 0%, #fff7ed 100%);
}

.when-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
    border-color: var(--accent-color);
}

.when-card h3 {
    color: var(--primary-color);
    font-size: 1.75rem;
    margin-bottom: 25px;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.when-card ul {
    list-style: none;
    padding-left: 0;
}

.when-card ul li {
    padding: 14px 0;
    padding-left: 35px;
    position: relative;
    color: var(--text-light);
    line-height: 1.8;
    font-size: 1.1rem;
}

.when-card ul li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
    font-size: 1.3rem;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 50%;
}

.when-card ul li strong {
    color: var(--text-color);
    font-weight: 700;
}

/* Process Section */
.process-section {
    margin: 60px 20px;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 50%, #fcd34d 100%);
    padding: 50px 30px;
    border-radius: 24px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    border: 2px solid #f59e0b;
    box-shadow: 0 20px 60px rgba(245, 158, 11, 0.25);
    position: relative;
    overflow: hidden;
}

.process-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.process-section h2 {
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 40px;
    text-align: center;
    font-weight: 900;
    letter-spacing: -0.03em;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 35px;
}

.step {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 24px;
    padding: 45px 30px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.step:nth-child(1) {
    border-top: 5px solid #3b82f6;
    background: linear-gradient(135deg, #ffffff 0%, #eff6ff 100%);
}

.step:nth-child(2) {
    border-top: 5px solid #10b981;
    background: linear-gradient(135deg, #ffffff 0%, #ecfdf5 100%);
}

.step:nth-child(3) {
    border-top: 5px solid #f59e0b;
    background: linear-gradient(135deg, #ffffff 0%, #fffbeb 100%);
}

.step:nth-child(4) {
    border-top: 5px solid #f97316;
    background: linear-gradient(135deg, #ffffff 0%, #fff7ed 100%);
}

.step:hover {
    transform: translateY(-10px) scale(1.03);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.2);
    border-color: var(--accent-color);
}

.step-number {
    width: 70px;
    height: 70px;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 900;
    margin: 0 auto 25px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 1;
}

.step:nth-child(1) .step-number {
    background: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);
}

.step:nth-child(2) .step-number {
    background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
}

.step:nth-child(3) .step-number {
    background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
}

.step:nth-child(4) .step-number {
    background: linear-gradient(135deg, #f97316 0%, #fb923c 100%);
}

.step h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 15px;
    font-weight: 800;
    letter-spacing: -0.01em;
}

.step p {
    color: var(--text-light);
    font-size: 1.05rem;
    line-height: 1.8;
}

/* Video Section */
.video-section {
    margin: 60px 20px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 50%, #fecaca 100%);
    padding: 50px 30px;
    border-radius: 24px;
    border: 2px solid #ef4444;
    box-shadow: 0 20px 60px rgba(239, 68, 68, 0.15);
}

.video-section h2 {
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 15px;
    text-align: center;
    font-weight: 900;
    letter-spacing: -0.03em;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 50px;
    font-size: 1.2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

.video-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.4s ease;
    position: relative;
}

.video-card:nth-child(1) {
    border-top: 4px solid #ef4444;
}

.video-card:nth-child(2) {
    border-top: 4px solid #3b82f6;
}

.video-card:nth-child(3) {
    border-top: 4px solid #10b981;
}

.video-card:nth-child(4) {
    border-top: 4px solid #f59e0b;
}

.video-card:nth-child(5) {
    border-top: 4px solid #f97316;
}

.video-card:nth-child(6) {
    border-top: 4px solid #ec4899;
}

.video-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.2);
    border-color: var(--accent-color);
}

.video-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    background: var(--bg-section);
    overflow: hidden;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-card h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin: 25px 30px 15px;
    font-weight: 800;
    letter-spacing: -0.01em;
}

.video-card p {
    color: var(--text-light);
    margin: 0 30px 30px;
    line-height: 1.7;
    font-size: 1.05rem;
}

/* Gallery Section */
.gallery-section {
    margin: 60px 20px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 50%, #bbf7d0 100%);
    padding: 50px 30px;
    border-radius: 24px;
    border: 2px solid #10b981;
    box-shadow: 0 20px 60px rgba(16, 185, 129, 0.15);
}

.gallery-section h2 {
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 15px;
    text-align: center;
    font-weight: 900;
    letter-spacing: -0.03em;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.gallery-item {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.4s ease;
}

.gallery-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.gallery-image {
    position: relative;
    width: 100%;
    padding-bottom: 75%;
    overflow: hidden;
    background: var(--bg-section);
}

.gallery-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gallery-item:hover .gallery-image img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: white;
    padding: 30px 25px 20px;
    transform: translateY(100%);
    transition: transform 0.4s ease;
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-overlay p {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
}

/* Blog Section */
.blog-section {
    margin: 60px 20px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 50%, #fcd34d 100%);
    padding: 50px 30px;
    border-radius: 24px;
    border: 2px solid #f59e0b;
    box-shadow: 0 20px 60px rgba(245, 158, 11, 0.15);
}

.blog-section h2 {
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 15px;
    text-align: center;
    font-weight: 900;
    letter-spacing: -0.03em;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

.blog-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.4s ease;
    display: flex;
    flex-direction: column;
    position: relative;
}

.blog-card:nth-child(1) {
    border-left: 5px solid #3b82f6;
}

.blog-card:nth-child(2) {
    border-left: 5px solid #10b981;
}

.blog-card:nth-child(3) {
    border-left: 5px solid #f59e0b;
}

.blog-card:nth-child(4) {
    border-left: 5px solid #ef4444;
}

.blog-card:nth-child(5) {
    border-left: 5px solid #f97316;
}

.blog-card:nth-child(6) {
    border-left: 5px solid #ec4899;
}

.blog-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.2);
    border-color: var(--accent-color);
}

.blog-image {
    width: 100%;
    padding-bottom: 60%;
    position: relative;
    overflow: hidden;
    background: var(--bg-section);
}

.blog-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.blog-card:hover .blog-image img {
    transform: scale(1.1);
}

.blog-content {
    padding: 35px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-date {
    color: var(--text-lighter);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.blog-card h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 15px;
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: -0.01em;
    flex: 1;
}

.blog-content p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.blog-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.3s ease;
    display: inline-block;
}

.blog-link:hover {
    color: var(--accent-hover);
    transform: translateX(5px);
}

/* FAQ Section */
.faq-section {
    margin: 100px 40px;
    background: var(--bg-section);
    padding: 80px 60px;
    border-radius: 32px;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    border: 1px solid var(--border-color);
}

.faq-section h2 {
    color: var(--primary-color);
    font-size: 3rem;
    margin-bottom: 50px;
    text-align: center;
    font-weight: 900;
    letter-spacing: -0.03em;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
}

.faq-item {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 35px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
    transform: translateY(-3px);
}

.faq-item h3 {
    color: var(--primary-color);
    font-size: 1.4rem;
    margin-bottom: 18px;
    font-weight: 800;
    line-height: 1.4;
    letter-spacing: -0.01em;
}

.faq-item p {
    color: var(--text-light);
    line-height: 1.9;
    font-size: 1.1rem;
}

/* Footer */
footer {
    background: var(--gradient-primary);
    color: white;
    text-align: center;
    padding: 60px 40px;
    margin-top: 100px;
}

footer p {
    opacity: 0.95;
    margin-bottom: 15px;
    font-size: 1.1rem;
    font-weight: 500;
}

.footer-note {
    font-size: 0.95rem;
    opacity: 0.8;
    margin-top: 25px;
    line-height: 1.8;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .transmission-grid {
        grid-template-columns: 1fr;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }

    .calculator-form {
        padding: 40px 35px;
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0 20px;
        height: 70px;
    }

    .nav-logo h1 {
        font-size: 1.5rem;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--gradient-primary);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-xl);
        padding: 30px 0;
        gap: 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        margin: 15px 0;
    }

    .nav-menu li a {
        padding: 15px;
        display: block;
        font-size: 1.1rem;
    }

    .nav-toggle {
        display: flex;
        z-index: 1001;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(8px, -8px);
    }
    
    .nav-menu.active {
        left: 0;
        z-index: 1000;
    }

    .page-header {
        padding: 60px 20px 50px;
    }

    .page-header h1 {
        font-size: 2.25rem;
    }

    .page-header .subtitle {
        font-size: 1.1rem;
    }

    .calculator-section {
        padding: 50px 20px;
    }

    .calculator-section h2 {
        font-size: 2rem;
    }

    .calculator-form {
        padding: 35px 25px;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .info-section {
        grid-template-columns: 1fr;
        margin: 60px 20px;
        gap: 30px;
    }

    .info-card {
        padding: 35px 30px;
    }

    .transmission-section,
    .when-section,
    .process-section,
    .faq-section {
        margin: 60px 20px;
        padding: 50px 30px;
    }

    .transmission-section h2,
    .when-section h2,
    .process-section h2,
    .faq-section h2 {
        font-size: 2.25rem;
    }

    .transmission-grid,
    .when-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .transmission-card {
        padding: 40px 30px;
    }

    .process-steps {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .faq-grid {
        grid-template-columns: 1fr;
    }

    .video-grid,
    .gallery-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .price-value {
        font-size: 3rem;
    }

    footer {
        padding: 50px 20px;
    }
}

@media (max-width: 480px) {
    .page-header h1 {
        font-size: 1.875rem;
    }

    .page-header .subtitle {
        font-size: 1rem;
    }

    .calculator-section h2 {
        font-size: 1.75rem;
    }

    .calculator-form {
        padding: 30px 20px;
    }

    .price-card {
        padding: 35px 25px;
    }
    
    .service-point-card {
        padding: 30px 20px;
    }
    
    .service-point-details {
        grid-template-columns: 1fr;
    }
    
    .service-point-actions {
        flex-direction: row;
        width: 100%;
        margin-top: 20px;
    }
    
    .btn-service {
        flex: 1;
    }

    .price-value {
        font-size: 2.5rem;
    }

    .info-card,
    .transmission-card,
    .when-card,
    .faq-item {
        padding: 30px 25px;
    }

    .transmission-section,
    .when-section,
    .process-section,
    .faq-section {
        padding: 40px 25px;
    }

    .transmission-section h2,
    .when-section h2,
    .process-section h2,
    .faq-section h2,
    .video-section h2,
    .gallery-section h2,
    .blog-section h2 {
        font-size: 1.875rem;
    }

    .video-section,
    .gallery-section,
    .blog-section {
        margin: 60px 20px;
    }
}

/* Print styles */
@media print {
    body {
        background: white;
    }

    .main-header {
        display: none;
    }

    .btn-primary {
        display: none;
    }

    .calculator-section {
        page-break-after: always;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

button:focus,
select:focus {
    outline: 3px solid var(--accent-color);
    outline-offset: 2px;
}

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}