/* ============================================
   Foshan Deruima Pneumatic Equipment Co., Ltd - Corporate Website
   Style: Blue/White Industrial, Bilingual
   ============================================ */

:root {
    --primary: #0F4C81;
    --primary-dark: #0A3A66;
    --primary-light: #1A7BC8;
    --accent: #D4A843;
    --accent-light: #E8C76A;
    --text: #1a1a2e;
    --text-light: #4a4a5a;
    --text-muted: #7a7a8a;
    --bg: #ffffff;
    --bg-light: #f5f7fa;
    --bg-dark: #0F4C81;
    --border: #e2e8f0;
    --shadow: 0 4px 20px rgba(15, 76, 129, 0.08);
    --shadow-lg: 0 10px 40px rgba(15, 76, 129, 0.12);
    --radius: 8px;
    --radius-lg: 12px;
    --transition: all 0.3s ease;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    letter-spacing: 0.3px;
}

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

.btn-outline {
    background: transparent;
    color: white;
    border: 2px solid rgba(255,255,255,0.4);
}
.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: white;
}

.btn-white {
    background: white;
    color: var(--primary);
}
.btn-white:hover {
    background: var(--bg-light);
    transform: translateY(-2px);
}

.btn-full { width: 100%; }

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
}
.logo-icon svg { width: 100%; height: 100%; }

.logo-text {
    display: flex;
    flex-direction: column;
}
.logo-main {
    font-size: 20px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    letter-spacing: -0.5px;
}
.logo-sub {
    font-size: 10px;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 2px;
    margin-top: 2px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-light);
    font-size: 13px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--radius);
    transition: var(--transition);
    white-space: nowrap;
}
.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary);
    background: rgba(15, 76, 129, 0.06);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}
.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

/* Pages */
.page {
    display: none;
    padding-top: 70px;
    min-height: 100vh;
}
.page.active { display: block; }

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.hero-bg-mobile {
    display: none;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 76, 129, 0.92) 0%, rgba(15, 76, 129, 0.75) 50%, rgba(15, 76, 129, 0.5) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 24px 60px;
    width: 100%;
}

.hero-badge {
    position: absolute;
    top: 100px;
    right: 24px;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-lg);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.badge-icon {
    font-size: 28px;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
}
.badge-text {
    font-size: 10px;
    color: rgba(255,255,255,0.8);
    line-height: 1.4;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.hero-title {
    margin-bottom: 16px;
}
.title-line {
    display: block;
    font-size: clamp(36px, 6vw, 64px);
    font-weight: 800;
    color: white;
    line-height: 1.1;
    letter-spacing: -1px;
}
.title-line.accent {
    color: var(--accent);
}

.hero-subtitle {
    font-size: 16px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 40px;
    font-weight: 400;
}

.hero-features {
    display: flex;
    gap: 32px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.h-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    color: white;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.4;
}
.h-feature small {
    font-size: 11px;
    color: rgba(255,255,255,0.6);
    font-weight: 400;
}

.hf-icon {
    width: 44px;
    height: 44px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.hf-icon svg {
    width: 20px;
    height: 20px;
    color: white;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.hero-company-info {
    position: absolute;
    bottom: 30px;
    left: 30px;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 20px 28px;
    border-radius: var(--radius);
    border-left: 3px solid var(--accent);
    max-width: 420px;
}
.hero-company-info h3 {
    font-size: 15px;
    font-weight: 700;
    color: white;
    margin-bottom: 4px;
    letter-spacing: 0.3px;
}
.hero-company-info > p {
    font-size: 13px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 12px;
}
.hci-details {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.hci-details span {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: rgba(255,255,255,0.8);
}
.hci-details span svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    color: var(--accent-light);
}

/* Sections */
.section {
    padding: 80px 0;
}

.section-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
.section-title.center { justify-content: center; text-align: center; }
.title-cn {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-muted);
}

/* About Preview */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 { margin-bottom: 24px; }
.about-desc, .about-desc-cn, .about-mission, .about-mission-cn {
    font-size: 15px;
    color: var(--text-light);
    margin-bottom: 16px;
    line-height: 1.7;
}
.about-desc-cn, .about-mission-cn {
    color: var(--text-muted);
}

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    margin-top: 16px;
    transition: var(--transition);
}
.link-arrow:hover { gap: 12px; }

.about-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: relative;
    cursor: pointer;
    transition: var(--transition);
}
.about-image:hover {
    box-shadow: 0 15px 50px rgba(15, 76, 129, 0.2);
}
.about-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
}
.about-image:hover img {
    transform: scale(1.02);
}
.zoom-hint {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(15, 76, 129, 0.85);
    color: white;
    padding: 10px 16px;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    opacity: 0;
    transition: var(--transition);
}
.about-image:hover .zoom-hint {
    opacity: 1;
}
.zoom-hint svg {
    width: 16px;
    height: 16px;
}

/* Machines Section */
.machines-section { background: var(--bg-light); }

.machines-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.machine-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
}
.machine-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.mc-num {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--primary);
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    z-index: 2;
}

.mc-image {
    position: relative;
    height: 180px;
    overflow: hidden;
}
.mc-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}
.machine-card:hover .mc-image img {
    transform: scale(1.05);
}

.mc-info {
    padding: 16px;
}
.mc-info h3 {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 4px;
}
.mc-info p {
    font-size: 12px;
    color: var(--text-muted);
}

/* Machines Grid Large - Full image cards */
.machines-grid-large {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.machine-card-large {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
}
.machine-card-large:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.mcl-image {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--bg-light);
}
.mcl-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: var(--transition);
    display: block;
}
.machine-card-large:hover .mcl-image img {
    transform: scale(1.02);
}

.mcl-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 76, 129, 0.0);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition);
    opacity: 0;
}
.machine-card-large:hover .mcl-overlay {
    background: rgba(15, 76, 129, 0.6);
    opacity: 1;
}
.mcl-overlay svg {
    width: 40px;
    height: 40px;
    color: white;
}
.mcl-overlay span {
    color: white;
    font-size: 14px;
    font-weight: 600;
}

.mcl-info {
    padding: 20px 24px;
    position: relative;
}
.mcl-num {
    position: absolute;
    top: -16px;
    right: 20px;
    background: var(--primary);
    color: white;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(15, 76, 129, 0.3);
}
.mcl-info h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 6px;
}
.mcl-info p {
    font-size: 13px;
    color: var(--text-muted);
}

/* Stats Bar */
.stats-bar {
    background: var(--primary);
    padding: 50px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.stat-item {
    text-align: center;
    color: white;
}

.stat-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 12px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.stat-icon svg {
    width: 22px;
    height: 22px;
}

.stat-num {
    font-size: 36px;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 8px;
}
.stat-label {
    font-size: 13px;
    font-weight: 500;
    opacity: 0.8;
    line-height: 1.4;
}
.stat-label small {
    font-size: 11px;
    opacity: 0.6;
}

/* Office Section */
.office-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.office-gallery img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-top: 20px;
}

.partner-logo {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 8px;
    text-align: center;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-light);
    transition: var(--transition);
}
.partner-logo:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

/* Contact CTA */
.contact-cta {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 80px 0;
    text-align: center;
}

.cta-content h2 {
    font-size: 32px;
    color: white;
    margin-bottom: 12px;
}
.cta-content p {
    color: rgba(255,255,255,0.7);
    margin-bottom: 28px;
    font-size: 15px;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 100px 0 60px;
    text-align: center;
    color: white;
}
.page-header h1 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 8px;
}
.page-header p {
    color: rgba(255,255,255,0.7);
    font-size: 15px;
}

/* About Detail */
.about-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
    margin-bottom: 60px;
}

.about-detail-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.about-detail-image img {
    width: 100%;
    height: auto;
    display: block;
}

.about-detail-text h2 {
    font-size: 24px;
    color: var(--primary);
    margin-bottom: 20px;
}
.about-detail-text p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 14px;
    line-height: 1.7;
}
.about-detail-text p.cn {
    color: var(--text-muted);
}

.about-stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 60px;
    padding: 40px;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
}

.as-item {
    text-align: center;
    padding: 20px;
    border-left: 3px solid var(--accent);
}
.as-item:first-child { border-left: none; }

.as-num {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 8px;
}
.as-num span {
    font-size: 20px;
    color: var(--accent);
}

.as-label {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.4;
}
.as-label small {
    color: var(--text-muted);
    font-size: 11px;
}

/* Values */
.values-section { margin-top: 40px; }
.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.value-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
    transition: var(--transition);
}
.value-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: var(--primary);
}

.vc-icon {
    width: 56px;
    height: 56px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}
.vc-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

.value-card h3 {
    font-size: 16px;
    color: var(--primary);
    margin-bottom: 12px;
}
.value-card p {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 8px;
}
.value-card p.cn {
    color: var(--text-muted);
}

/* Product Tabs */
.product-tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 40px;
    justify-content: center;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 28px;
    border: 2px solid var(--border);
    background: white;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}
.tab-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}
.tab-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.tab-content {
    display: none;
}
.tab-content.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.product-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
}
.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.pc-image {
    height: 220px;
    overflow: hidden;
    position: relative;
}
.pc-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}
.product-card:hover .pc-image img {
    transform: scale(1.05);
}

.pc-info {
    padding: 20px;
    position: relative;
}

.pc-tag {
    position: absolute;
    top: -12px;
    right: 16px;
    background: var(--accent);
    color: white;
    font-size: 10px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.pc-tag.hot {
    background: #e74c3c;
}

.pc-info h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 6px;
}
.pc-info p {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Contact Page */
.contact-form-only {
    max-width: 700px;
    margin: 0 auto;
}

.contact-form-only h2 {
    font-size: 26px;
    color: var(--primary);
}

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

.form-row .form-group {
    margin-bottom: 18px;
}

/* Form */
.form-group {
    margin-bottom: 18px;
}
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
    background: white;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(15, 76, 129, 0.08);
}
.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Modal - Image Only */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(0,0,0,0.9);
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.modal.active {
    display: flex;
}

.modal-content {
    background: transparent;
    max-width: 95vw;
    width: auto;
    max-height: 95vh;
    position: relative;
    animation: modalIn 0.3s ease;
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.modal-close {
    position: absolute;
    top: -44px;
    right: 0;
    width: 36px;
    height: 36px;
    background: rgba(255,255,255,0.2);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 22px;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}
.modal-close:hover {
    background: rgba(255,255,255,0.4);
}

.modal-body {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-body img {
    max-width: 90vw;
    max-height: 88vh;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: var(--radius);
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

/* Footer */
.footer {
    background: var(--text);
    color: white;
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}
.fl-icon {
    width: 36px;
    height: 36px;
}
.fl-name {
    font-size: 18px;
    font-weight: 800;
    display: block;
    line-height: 1;
}
.fl-sub {
    font-size: 9px;
    color: var(--accent);
    letter-spacing: 2px;
}

.footer-desc, .footer-desc-cn {
    font-size: 13px;
    color: rgba(255,255,255,0.6);
    line-height: 1.6;
    margin-bottom: 8px;
}
.footer-desc-cn {
    color: rgba(255,255,255,0.4);
}

.footer-links h4,
.footer-contact h4 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 16px;
    color: white;
}

.footer-links ul,
.footer-contact ul {
    list-style: none;
}
.footer-links li,
.footer-contact li {
    margin-bottom: 10px;
}
.footer-links a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    font-size: 13px;
    transition: var(--transition);
}
.footer-links a:hover {
    color: var(--accent);
}
.footer-contact li {
    font-size: 13px;
    color: rgba(255,255,255,0.6);
}
.footer-contact span {
    color: rgba(255,255,255,0.8);
    font-weight: 600;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 20px 0;
    text-align: center;
}
.footer-bottom p {
    font-size: 12px;
    color: rgba(255,255,255,0.4);
}

/* Utilities */
.mt-4 { margin-top: 24px; }
.center { text-align: center; }

/* Scroll Animation */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
    .machines-grid { grid-template-columns: repeat(2, 1fr); }
    .machines-grid-large { grid-template-columns: 1fr; }
    .products-grid { grid-template-columns: repeat(2, 1fr); }
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .about-detail { grid-template-columns: 1fr; }
    .office-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        gap: 4px;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
    }
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .hero-bg-pc { display: none; }
    .hero-bg-mobile { display: block; }
    .hero-badge { display: none; }
    .hero-features { gap: 16px; }
    .h-feature { font-size: 11px; }
    .hf-icon { width: 36px; height: 36px; }

    .machines-grid { grid-template-columns: 1fr; }
    .products-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
    .about-stats-row { grid-template-columns: repeat(2, 1fr); }
    .values-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; gap: 0; }
    .modal-body img {
        max-width: 95vw;
        max-height: 85vh;
    }
    .modal-close {
        top: -40px;
        right: 0;
        width: 32px;
        height: 32px;
        font-size: 18px;
    }
    .modal-image { min-height: 200px; }
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    .partners-grid { grid-template-columns: repeat(3, 1fr); }

    .section { padding: 50px 0; }
    .page-header { padding: 80px 0 40px; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .stat-num { font-size: 28px; }
    .hero-cta { flex-direction: column; }
    .btn { width: 100%; }
    .partners-grid { grid-template-columns: repeat(2, 1fr); }
}