/* ========================================
   USM800 油圧式フレールモア - カスタムスタイル
   株式会社TAS
======================================== */

/* ========== Base Styles ========== */
:root {
    /* Colors */
    --primary-color: #1e5a3a;
    --primary-dark: #0f3d26;
    --primary-light: #2d7a52;
    --secondary-color: #ffa500;
    --accent-color: #ff6b00;
    
    --text-dark: #1a1a1a;
    --text-gray: #666666;
    --text-light: #999999;
    
    --bg-white: #ffffff;
    --bg-gray-light: #f8f9fa;
    --bg-gray: #e9ecef;
    
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;
    
    --line-color: #06C755;
    
    /* Spacing */
    --section-padding: 100px;
    --container-max-width: 1200px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.25);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-dark);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-normal);
}

ul {
    list-style: none;
}

/* ========== Container ========== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ========== Section Headers ========== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--text-dark);
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-top: 24px;
}

/* ========== Buttons ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
    text-align: center;
}

.btn i {
    font-size: 1.1em;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
}

.btn-secondary {
    background: white;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-large {
    padding: 18px 40px;
    font-size: 1.1rem;
}

.btn-small {
    padding: 8px 20px;
    font-size: 0.9rem;
}

.btn-download {
    background: var(--primary-dark);
    color: white;
    padding: 16px 36px;
    font-size: 1.05rem;
}

.btn-download:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline-light {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-outline-light:hover {
    background: white;
    color: var(--primary-color);
}

/* ========== Header ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
}

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--primary-color);
    line-height: 1;
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--text-gray);
    margin-top: 2px;
}

.nav-list {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-weight: 500;
    color: var(--text-dark);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-normal);
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link:hover::after {
    width: 100%;
}

.header-btn {
    padding: 12px 28px;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
}

/* ========== Mobile Menu ========== */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    background: white;
    box-shadow: var(--shadow-xl);
    z-index: 2000;
    transition: right var(--transition-normal);
    overflow-y: auto;
    padding: 20px;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--bg-gray);
}

.mobile-menu-header h2 {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.mobile-menu-close {
    background: none;
    border: none;
    font-size: 1.8rem;
    color: var(--text-dark);
    cursor: pointer;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.mobile-nav-link {
    padding: 16px 0;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-dark);
    border-bottom: 1px solid var(--bg-gray);
    transition: all var(--transition-fast);
}

.mobile-nav-link:hover {
    color: var(--primary-color);
    padding-left: 10px;
}

.mobile-cta {
    margin-top: 30px;
    width: 100%;
}

/* ========== Hero Section ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 20px 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    z-index: 0;
}

.hero-container {
    position: relative;
    z-index: 1;
}

.hero-content {
    text-align: center;
    color: white;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 30px;
    animation: fadeInDown 0.8s ease;
}

.hero-title {
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-title-main {
    display: block;
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 16px;
    background: linear-gradient(90deg, #ffffff, #ffd700);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title-sub {
    display: block;
    font-size: 2rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
}

.hero-description {
    font-size: 1.2rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 50px;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-specs {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 50px;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-spec-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 30px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    transition: all var(--transition-normal);
}

.hero-spec-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.hero-spec-icon {
    font-size: 2rem;
    color: var(--secondary-color);
}

.hero-spec-content {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.hero-spec-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 4px;
}

.hero-spec-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 20px;
    animation: fadeInUp 0.8s ease 0.8s both;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
}

/* ========== Video Section ========== */
.video-section {
    padding: var(--section-padding) 0;
    background: var(--bg-gray-light);
}

.video-wrapper {
    display: flex;
    justify-content: center;
}

.video-container {
    position: relative;
    width: 100%;
    max-width: 900px;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* ========== Features Section ========== */
.features {
    padding: var(--section-padding) 0;
    background: white;
}

.features-grid {
    display: grid;
    gap: 60px;
}

.feature-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    background: var(--bg-gray-light);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

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

.feature-card:nth-child(even) {
    grid-template-columns: 1fr 1fr;
}

.feature-card:nth-child(even) .feature-image-wrapper {
    order: 2;
}

.feature-card:nth-child(even) .feature-content {
    order: 1;
}

.feature-image-wrapper {
    position: relative;
    height: 100%;
    min-height: 350px;
}

.feature-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.feature-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.8rem;
    box-shadow: var(--shadow-lg);
}

.feature-content {
    padding: 40px;
}

.feature-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.feature-number {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-color);
    letter-spacing: 2px;
}

.feature-description {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-gray);
    margin-bottom: 24px;
}

.feature-description strong {
    color: var(--primary-color);
    font-weight: 700;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1rem;
    color: var(--text-dark);
}

.feature-list i {
    color: var(--success-color);
    font-size: 1.1rem;
}

/* ========== Specs Section ========== */
.specs {
    padding: var(--section-padding) 0;
    background: var(--bg-gray-light);
}

.specs-card {
    background: white;
    border-radius: 20px;
    padding: 50px;
    box-shadow: var(--shadow-lg);
}

.specs-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-bottom: 40px;
}

.specs-table tbody tr {
    border-bottom: 1px solid var(--bg-gray);
}

.specs-table tbody tr:last-child {
    border-bottom: none;
}

.specs-table th,
.specs-table td {
    padding: 20px;
    text-align: left;
}

.specs-table th {
    font-weight: 600;
    color: var(--text-dark);
    width: 35%;
    background: var(--bg-gray-light);
}

.specs-table th i {
    margin-right: 8px;
    color: var(--primary-color);
}

.specs-table td {
    font-size: 1.05rem;
    color: var(--text-gray);
}

.specs-table td strong {
    font-size: 1.2rem;
    color: var(--primary-color);
    font-weight: 700;
}

.specs-table td strong.price {
    font-size: 1.5rem;
    color: var(--accent-color);
    font-weight: 900;
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    background: var(--primary-color);
    color: white;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 12px;
    margin-left: 10px;
}

.highlight {
    display: inline-block;
    padding: 4px 12px;
    background: var(--warning-color);
    color: var(--text-dark);
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 12px;
    margin-left: 10px;
}

.specs-download {
    text-align: center;
    padding-top: 30px;
    border-top: 2px solid var(--bg-gray);
}

.download-note {
    margin-top: 12px;
    font-size: 0.9rem;
    color: var(--text-light);
}

/* ========== Process Section ========== */
.process {
    padding: var(--section-padding) 0;
    background: white;
}

.process-timeline {
    max-width: 800px;
    margin: 0 auto;
}

.process-step {
    display: grid;
    grid-template-columns: 100px 80px 1fr;
    gap: 30px;
    align-items: start;
    position: relative;
}

.process-number {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    border-radius: 50%;
    box-shadow: var(--shadow-md);
}

.process-number span {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
}

.process-number strong {
    font-size: 2rem;
    font-weight: 900;
}

.process-icon {
    width: 80px;
    height: 80px;
    background: var(--bg-gray-light);
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary-color);
}

.process-content {
    padding: 10px 0;
}

.process-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.process-description {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-gray);
}

.process-arrow {
    display: flex;
    justify-content: center;
    padding: 30px 0;
    font-size: 2rem;
    color: var(--primary-color);
    opacity: 0.3;
}

/* ========== Support Section ========== */
.support {
    padding: var(--section-padding) 0;
    background: var(--bg-gray-light);
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.support-card {
    background: white;
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-normal);
}

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

.support-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.support-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.support-description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-gray);
}

/* ========== Contact Section ========== */
.contact {
    padding: var(--section-padding) 0;
    background: white;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.contact-method {
    display: grid;
    grid-template-columns: 80px 1fr auto;
    gap: 20px;
    align-items: center;
    padding: 30px;
    background: var(--bg-gray-light);
    border-radius: 16px;
    border: 2px solid transparent;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.contact-method:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.contact-line {
    background: linear-gradient(135deg, rgba(6, 199, 85, 0.1), rgba(6, 199, 85, 0.05));
}

.contact-line:hover {
    border-color: var(--line-color);
}

.contact-phone {
    background: linear-gradient(135deg, rgba(255, 165, 0, 0.1), rgba(255, 165, 0, 0.05));
}

.contact-phone:hover {
    border-color: var(--secondary-color);
}

.contact-email {
    background: linear-gradient(135deg, rgba(30, 90, 58, 0.1), rgba(30, 90, 58, 0.05));
}

.contact-method-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    border-radius: 50%;
    color: white;
}

.contact-line .contact-method-icon {
    background: var(--line-color);
}

.contact-phone .contact-method-icon {
    background: var(--secondary-color);
}

.contact-email .contact-method-icon {
    background: var(--primary-color);
}

.contact-method-content h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.contact-method-content p {
    font-size: 0.95rem;
    color: var(--text-gray);
}

.contact-method-arrow {
    font-size: 1.5rem;
    color: var(--text-light);
    transition: all var(--transition-normal);
}

.contact-method:hover .contact-method-arrow {
    color: var(--primary-color);
    transform: translateX(4px);
}

.contact-form-wrapper {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-gray-light);
    padding: 50px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.contact-form-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 30px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.contact-form-title i {
    color: var(--primary-color);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-label {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.required {
    color: var(--danger-color);
    font-size: 0.85rem;
    margin-left: 4px;
}

.form-input,
.form-select,
.form-textarea {
    padding: 14px 18px;
    font-size: 1rem;
    font-family: inherit;
    border: 2px solid var(--bg-gray);
    border-radius: 10px;
    background: white;
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 90, 58, 0.1);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
    border-color: var(--danger-color);
}

.form-error {
    color: var(--danger-color);
    font-size: 0.85rem;
    display: none;
}

.form-error.show {
    display: block;
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-submit {
    text-align: center;
    padding-top: 10px;
}

.btn-submit {
    min-width: 250px;
}

.form-note {
    margin-top: 16px;
    font-size: 0.9rem;
    color: var(--text-gray);
}

/* ========== Footer ========== */
.footer {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-title {
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: 8px;
}

.footer-subtitle {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: rgba(255, 255, 255, 0.9);
}

.footer-description {
    font-size: 0.95rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.8);
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
    margin: 6px 0;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: white;
    padding-left: 5px;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
}

.copyright,
.manufacturer {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    margin: 8px 0;
}

/* ========== Back to Top Button ========== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* ========== Animations ========== */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(10px);
    }
}

/* ========== Responsive Design ========== */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }
    
    .hero-title-main {
        font-size: 3rem;
    }
    
    .hero-title-sub {
        font-size: 1.6rem;
    }
    
    .hero-specs {
        flex-wrap: wrap;
        gap: 20px;
    }
    
    .feature-card {
        grid-template-columns: 1fr !important;
    }
    
    .feature-card:nth-child(even) .feature-image-wrapper {
        order: 1;
    }
    
    .feature-card:nth-child(even) .feature-content {
        order: 2;
    }
    
    .process-step {
        grid-template-columns: 80px 60px 1fr;
        gap: 20px;
    }
    
    .process-number {
        width: 80px;
        height: 80px;
    }
    
    .process-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .nav {
        display: none;
    }
    
    .header-btn {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero {
        padding: 100px 20px 60px;
    }
    
    .hero-title-main {
        font-size: 2.2rem;
    }
    
    .hero-title-sub {
        font-size: 1.3rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-specs {
        flex-direction: column;
        gap: 16px;
    }
    
    .hero-spec-item {
        width: 100%;
        max-width: 100%;
        padding: 16px 20px;
    }
    
    .hero-cta {
        flex-direction: column;
        gap: 16px;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .feature-image-wrapper {
        min-height: 250px;
    }
    
    .feature-content {
        padding: 30px 20px;
    }
    
    .specs-card {
        padding: 30px 20px;
    }
    
    .specs-table th,
    .specs-table td {
        padding: 12px;
        font-size: 0.9rem;
    }
    
    .process-step {
        grid-template-columns: 1fr;
        gap: 20px;
        text-align: center;
    }
    
    .process-number,
    .process-icon {
        margin: 0 auto;
    }
    
    .contact-methods {
        grid-template-columns: 1fr;
    }
    
    .contact-method {
        grid-template-columns: 60px 1fr auto;
        padding: 20px;
    }
    
    .contact-form-wrapper {
        padding: 30px 20px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .hero-title-main {
        font-size: 1.8rem;
    }
    
    .hero-title-sub {
        font-size: 1.1rem;
    }
    
    .btn-large {
        padding: 14px 28px;
        font-size: 1rem;
    }
    
    .specs-table {
        font-size: 0.85rem;
    }
    
    .specs-table th,
    .specs-table td {
        display: block;
        width: 100%;
        padding: 10px;
    }
    
    .specs-table th {
        background: var(--primary-color);
        color: white;
        border-radius: 8px 8px 0 0;
    }
    
    .specs-table td {
        border-bottom: 2px solid var(--bg-gray);
        border-radius: 0 0 8px 8px;
        margin-bottom: 16px;
    }
}