/* ========================================
   Reset & Base Styles
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

/* ========================================
   Header & Navigation
   ======================================== */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 60px;
    width: auto;
    transition: transform 0.3s ease;
}

.logo img:hover {
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #10b981;
}

.contact-btn {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white !important;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
    transition: all 0.3s ease;
}

.contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.lang-switcher {
    display: flex;
    gap: 0.3rem;
    margin-left: 0.5rem;
}

.lang-btn {
    padding: 0.3rem 0.7rem;
    border: 1.5px solid #10b981;
    background: white;
    color: #10b981;
    border-radius: 15px;
    font-weight: 600;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.lang-btn:hover,
.lang-btn.active {
    background: #10b981;
    color: white;
}

/* ========================================
   Mobile Menu
   ======================================== */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: #10b981;
    border-radius: 3px;
    transition: all 0.3s ease;
}

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

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-menu-overlay.active {
    opacity: 1;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 350px;
    height: 100%;
    background: white;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    overflow-y: auto;
    transition: right 0.3s ease;
    padding: 5rem 2rem 2rem;
}

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

.mobile-menu-links {
    list-style: none;
    padding: 0;
}

.mobile-menu-links li {
    margin-bottom: 0.5rem;
}

.mobile-menu-links a {
    display: block;
    padding: 1rem;
    color: #333;
    text-decoration: none;
    font-weight: 500;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.mobile-menu-links a:hover {
    background: #f0fdf4;
    color: #10b981;
    transform: translateX(5px);
}

.mobile-menu-links .contact-btn {
    margin-top: 1rem;
    text-align: center;
}

.mobile-lang-switcher {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid #e5e7eb;
}

/* ========================================
   Common Components
   ======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 1rem;
    font-weight: 800;
    color: #333;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 4rem;
}

.btn {
    padding: 0.9rem 2rem;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: white;
    color: #10b981;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

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

.btn-secondary:hover {
    background: white;
    color: #10b981;
    transform: translateY(-3px);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    position: relative;
    overflow: hidden;
    padding: 7rem 2rem 3.5rem;
}

.hero::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="50" height="50" patternUnits="userSpaceOnUse"><path d="M 50 0 L 0 0 0 50" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    max-width: 1200px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    z-index: 1;
}

.hero-text {
    color: white;
    animation: fadeInLeft 1s ease;
}

.hero-text .badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(10px);
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 900;
    line-height: 1.2;
}

.hero h1 .highlight {
    color: #fbbf24;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 0.7rem;
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
    animation: fadeInRight 1s ease;
}

.product-showcase {
    background: white;
    border-radius: 30px;
    padding: 3rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    text-align: center;
}

.product-image {
    width: 100%;
    height: 300px;
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    margin-bottom: 2rem;
    overflow: hidden;
}

.product-image img {
    width: 80%;
    height: auto;
    object-fit: contain;
}

.award-image {
    background: linear-gradient(135deg, #ffffff 0%, #f9fafb 100%) !important;
    padding: 0.5rem !important;
    height: 350px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

.award-image img {
    width: 180% !important;
    height: 180% !important;
    object-fit: contain !important;
    padding: 0 !important;
    margin: 0 !important;
}

.product-features {
    list-style: none;
    text-align: left;
}

.product-features li {
    padding: 0.8rem 0;
    border-bottom: 1px solid #eee;
    font-size: 1rem;
    color: #333;
}

.product-features li:last-child {
    border-bottom: none;
}

.product-features li::before {
    content: "✓";
    color: #10b981;
    font-weight: bold;
    margin-right: 1rem;
    font-size: 1.2rem;
}

/* Hero Slider */
.hero-slider {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.hero-slide {
    display: none;
    animation: fadeIn 0.8s ease;
}

.hero-slide.active {
    display: block;
}

.hero-slider-dots {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
}

.hero-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #d1d5db;
    cursor: pointer;
    transition: all 0.3s ease;
}

.hero-dot:hover {
    background: #9ca3af;
    transform: scale(1.2);
}

.hero-dot.active {
    background: #10b981;
    width: 30px;
    border-radius: 6px;
}

.logo-text-container {
    text-align: center;
    margin-bottom: 1.5rem;
}

.logo-text {
    font-size: 2.8rem;
    font-weight: 900;
    color: #10b981;
    margin: 0;
    margin-bottom: 0.3rem;
    letter-spacing: -0.5px;
    font-family: 'Arial Black', 'Arial', sans-serif;
    text-transform: uppercase;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-subtitle {
    font-size: 1.1rem;
    color: #666;
    margin: 0;
    font-weight: 500;
}

/* ========================================
   About Section
   ======================================== */
.about {
    padding: 6rem 2rem;
    background: linear-gradient(135deg, #f8faf9 0%, #e8f5f1 100%);
}

.about-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    margin-top: 3rem;
}

.about-card {
    background: white;
    padding: 3rem 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.about-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(16, 185, 129, 0.15);
}

.about-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
}

.about-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.about-card p {
    color: #666;
    line-height: 1.8;
}

/* ========================================
   Benefits Section
   ======================================== */
.benefits {
    padding: 6rem 2rem;
    background: white;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.benefit-card {
    background: #f8faf9;
    padding: 3rem;
    border-radius: 25px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    text-align: center;
    border: 2px solid transparent;
}

.benefit-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(16, 185, 129, 0.15);
    border-color: #10b981;
}

.benefit-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 2rem;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border-radius: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
}

.benefit-card h3 {
    font-size: 1.6rem;
    margin-bottom: 1rem;
    color: #333;
}

.benefit-card p {
    color: #666;
    line-height: 1.8;
}

/* ========================================
   Products Section
   ======================================== */
.products {
    padding: 6rem 2rem;
    background: linear-gradient(135deg, #f8faf9 0%, #e8f5f1 100%);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
    margin-top: 3rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.product-card {
    background: white;
    border-radius: 25px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.product-card-image {
    width: 100%;
    height: 350px;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 2.5rem;
}

.product-card-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.product-card:hover .product-card-image img {
    transform: scale(1.05);
}

.product-card-content {
    padding: 2rem;
    text-align: center;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.product-card-content h3 {
    margin: 0.5rem 0;
    font-size: 1.5rem;
}

.product-card-content p {
    line-height: 1.6;
    color: #666;
    font-size: 0.95rem;
}

.product-badge {
    display: inline-block;
    background: #fef3c7;
    color: #92400e;
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.product-capacity {
    display: inline-block;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    padding: 0.35rem 0.9rem;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 700;
    margin-left: 0.5rem;
    vertical-align: middle;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

.product-specs {
    list-style: none;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: #f8faf9;
    border-radius: 15px;
}

.product-specs li {
    padding: 0.5rem 0;
    color: #555;
    font-size: 0.95rem;
}

.product-specs li::before {
    content: "•";
    color: #10b981;
    font-weight: bold;
    margin-right: 0.8rem;
}

.product-price {
    font-size: 2rem;
    font-weight: 800;
    color: #10b981;
    margin-bottom: 1.5rem;
}

.product-price span {
    font-size: 1rem;
    color: #666;
    font-weight: 400;
}

.btn-buy {
    width: 100%;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    padding: 1rem;
    text-align: center;
}

.btn-buy:hover {
    transform: translateY(0);
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
}

/* ========================================
   Services Section
   ======================================== */
.services {
    padding: 6rem 2rem;
    background: white;
}

.services-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
    padding: 2rem;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-radius: 20px;
}

.services-intro h3 {
    font-size: 1.8rem;
    color: #92400e;
    margin-bottom: 1rem;
}

.services-intro p {
    color: #78350f;
    font-size: 1.1rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: #f8faf9;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.service-card h4 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: #333;
}

.service-card p {
    color: #666;
    line-height: 1.8;
}

/* ========================================
   Why Us Section
   ======================================== */
.why-us {
    padding: 6rem 2rem;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.why-us::before {
    content: '';
    position: absolute;
    right: -100px;
    bottom: -100px;
    width: 400px;
    height: 400px;
    background-image: url('../images/SinkDoctor_Character_Logo.png');
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0.1;
    z-index: 0;
}

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

.why-us .section-title,
.why-us .section-subtitle {
    color: white;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-top: 3rem;
}

.why-card {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.why-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.why-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    backdrop-filter: blur(10px);
}

.why-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: white;
}

.why-card p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
}

/* ========================================
   Video Section
   ======================================== */
.video-section {
    padding: 6rem 2rem;
    background: white;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.video-card {
    background: #f8faf9;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.video-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.video-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    background: #000;
}

.video-wrapper video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-card h3 {
    padding: 1.5rem 2rem 0.5rem;
    font-size: 1.4rem;
    color: #333;
}

.video-card p {
    padding: 0 2rem 2rem;
    color: #666;
    line-height: 1.6;
}

/* ========================================
   How It Works Section
   ======================================== */
.how-it-works {
    padding: 4rem 2rem;
    background: white;
}

.steps-container {
    max-width: 800px;
    margin: 2rem auto 0;
}

.step {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    align-items: flex-start;
}

.step:last-child {
    margin-bottom: 0;
}

.step-number {
    min-width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: 800;
    box-shadow: 0 5px 20px rgba(16, 185, 129, 0.3);
}

.step-content {
    flex: 1;
    padding-top: 0;
}

.step-content h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: #333;
}

.step-content p {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
    padding: 6rem 2rem;
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    text-align: center;
    color: #78350f;
    position: relative;
    overflow: hidden;
}

.cta-section::after {
    content: '';
    position: absolute;
    left: -100px;
    top: 50%;
    transform: translateY(-50%);
    width: 300px;
    height: 300px;
    background-image: url('../images/SinkDoctor_Character_Logo.png');
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0.15;
    z-index: 0;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.3)"/></svg>');
    animation: movePattern 20s linear infinite;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-section h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    font-weight: 900;
    color: #78350f;
}

.cta-section p {
    font-size: 1.4rem;
    margin-bottom: 2.5rem;
    color: #92400e;
}

.cta-phone {
    display: inline-block;
    font-size: 3rem;
    font-weight: 900;
    color: #78350f;
    text-decoration: none;
    background: rgba(255, 255, 255, 0.5);
    padding: 1.5rem 3rem;
    border-radius: 20px;
    margin-bottom: 2rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.cta-phone:hover {
    background: rgba(255, 255, 255, 0.7);
    transform: scale(1.05);
}

/* ========================================
   Cases Section
   ======================================== */
.cases {
    padding: 6rem 2rem;
    background: white;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.case-card {
    background: white;
    border-radius: 25px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.case-image {
    width: 100%;
    height: 250px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.case-overlay {
    position: absolute;
    top: 20px;
    right: 20px;
}

.case-tag {
    background: rgba(255, 255, 255, 0.95);
    color: #10b981;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.case-content {
    padding: 2.5rem;
}

.case-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.8rem;
    color: #333;
}

.case-content p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.case-review {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #eee;
    font-style: italic;
    color: #555;
}

/* ========================================
   Testimonials Section
   ======================================== */
.testimonials {
    padding: 6rem 2rem;
    background: #f8faf9;
}

.testimonial-slider-container {
    position: relative;
    max-width: 1200px;
    margin: 3rem auto 0;
    overflow: hidden;
    padding: 0 80px;
}

.testimonial-slider {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.testimonial-slide {
    min-width: 100%;
    padding: 0 1rem;
    box-sizing: border-box;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.testimonial-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    border-left: 5px solid #10b981;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    position: relative;
    overflow: hidden;
}

.testimonial-card::before {
    content: '';
    position: absolute;
    right: -30px;
    bottom: -30px;
    width: 120px;
    height: 120px;
    background-image: url('../images/SinkDoctor_Character_Logo.png');
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0.08;
    z-index: 0;
}

.testimonial-card > * {
    position: relative;
    z-index: 1;
}

.testimonial-rating {
    color: #fbbf24;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.testimonial-text {
    color: #333;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.testimonial-author {
    color: #666;
    font-weight: 600;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(16, 185, 129, 0.9);
    color: white;
    border: none;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    font-size: 2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 20px rgba(16, 185, 129, 0.4);
    z-index: 10;
}

.slider-btn:hover {
    background: rgba(5, 150, 105, 1);
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.6);
}

.slider-btn:active {
    transform: translateY(-50%) scale(0.95);
}

#prevBtn {
    left: 10px;
}

#nextBtn {
    right: 10px;
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    margin-top: 2rem;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #d1d5db;
    cursor: pointer;
    transition: all 0.3s ease;
}

.slider-dot.active {
    background: #10b981;
    width: 30px;
    border-radius: 6px;
}

/* ========================================
   FAQ Section
   ======================================== */
.faq {
    padding: 6rem 2rem;
    background: white;
}

.faq-list {
    max-width: 900px;
    margin: 3rem auto 0;
}

.faq-item {
    background: #f8faf9;
    margin-bottom: 1.5rem;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.1);
}

.faq-question {
    padding: 2rem;
    cursor: pointer;
}

.faq-question h4 {
    font-size: 1.2rem;
    color: #333;
    font-weight: 600;
}

.faq-answer {
    padding: 0 2rem 2rem;
}

.faq-answer p {
    color: #666;
    line-height: 1.8;
}

/* ========================================
   Partner Section
   ======================================== */
.partner {
    padding: 6rem 2rem;
    background: linear-gradient(135deg, #0f766e 0%, #065f46 100%);
    color: white;
}

.partner-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin: 3rem 0;
}

.partner-benefits,
.partner-requirements {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.partner-benefits h3,
.partner-requirements h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: #0f766e;
}

.partner-benefits ul,
.partner-requirements ul {
    list-style: none;
}

.partner-benefits li,
.partner-requirements li {
    padding: 1rem 0;
    font-size: 1.1rem;
    color: #374151;
    border-bottom: 1px solid #e5e7eb;
}

.partner-benefits li:last-child,
.partner-requirements li:last-child {
    border-bottom: none;
}

.partner-cta {
    text-align: center;
    background: rgba(255, 255, 255, 0.15);
    padding: 3rem;
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

.partner-cta h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: white;
}

.partner-cta p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
}

/* ========================================
   Footer
   ======================================== */
footer {
    background: #1a1a1a;
    color: white;
    padding: 4rem 2rem 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3 {
    margin-bottom: 1.5rem;
    color: #10b981;
    font-size: 1.3rem;
}

.footer-logo {
    margin-bottom: 1rem;
}

.footer-logo img {
    height: 80px;
    width: auto;
}

.footer-section p,
.footer-section a {
    color: #ccc;
    line-height: 2;
    text-decoration: none;
    display: block;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #333;
    color: #888;
}

/* ========================================
   System Notice Popup
   ======================================== */
.system-notice-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.system-notice-popup {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    max-width: 550px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    position: relative;
    animation: slideUp 0.4s ease;
}

.system-notice-popup .notice-logo {
    text-align: center;
    margin-bottom: 1.5rem;
}

.system-notice-popup .notice-logo img {
    width: 120px;
    height: 120px;
    object-fit: contain;
    animation: fadeIn 0.6s ease;
}

.system-notice-popup h2 {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 700;
    color: #16a34a;
    margin-bottom: 1rem;
}

.system-notice-popup p {
    text-align: center;
    font-size: 1.1rem;
    line-height: 1.7;
    color: #555;
    margin-bottom: 1.5rem;
}

.system-notice-popup .notice-details {
    background: #f0fdf4;
    border-left: 4px solid #16a34a;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.system-notice-popup .notice-details p {
    text-align: left;
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
    color: #374151;
}

.system-notice-popup .notice-details p:last-child {
    margin-bottom: 0;
}

.system-notice-popup .close-btn {
    width: 100%;
    padding: 1rem;
    background: #16a34a;
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
}

.system-notice-popup .close-btn:hover {
    background: #15803d;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(22, 163, 74, 0.3);
}

/* ========================================
   Animations & Keyframes
   ======================================== */
@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

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

@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

@keyframes movePattern {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(100px, 100px);
    }
}

/* ========================================
   Responsive Design - Tablet
   ======================================== */
@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }

    .why-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
}

/* ========================================
   Responsive Design - Mobile & Tablet
   ======================================== */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 2rem;
    }

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

    .cta-phone {
        font-size: 2rem;
    }

    .nav-links {
        display: none;
    }

    .lang-switcher {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .mobile-menu,
    .mobile-menu-overlay {
        display: block;
    }

    .step {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .about-content,
    .cases-grid,
    .partner-content,
    .why-grid {
        grid-template-columns: 1fr;
    }

    .partner-benefits,
    .partner-requirements {
        padding: 2rem;
    }

    .testimonial-slider-container {
        padding: 0 60px;
    }

    .slider-btn {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }

    #prevBtn {
        left: 5px;
    }

    #nextBtn {
        right: 5px;
    }
}

/* ========================================
   Responsive Design - Mobile
   ======================================== */
@media (max-width: 640px) {
    .hero {
        padding: 6rem 1rem 3rem;
        min-height: 80vh;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }

    .hero-cta {
        flex-direction: column;
        gap: 0.5rem;
    }

    .logo-text {
        font-size: 2rem;
    }

    .logo-subtitle {
        font-size: 1rem;
    }

    .testimonial-slider-container {
        padding: 0 50px;
    }

    .slider-btn {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    #prevBtn {
        left: 0;
    }

    #nextBtn {
        right: 0;
    }

    .products-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .system-notice-popup {
        padding: 2rem;
        max-width: 90%;
    }

    .system-notice-popup h2 {
        font-size: 1.5rem;
    }

    .system-notice-popup p {
        font-size: 0.95rem;
    }
}