/* Ferman Website Custom Styles - HTML yapısına göre güncellenmiş */

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

body {
    font-family: 'Inter', sans-serif;
    background: #fafafa;
    color: #2a2a2a;
    overflow-x: hidden;
}

/* ====== KREISSON STYLE HEADER ====== */
.kreisson-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: #ffffff;
    border-bottom: 1px solid #e5e5e5;
    transition: all 0.3s ease;
}

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

/* Logo Section */
.logo-section {
    flex-shrink: 0;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.logo-link:hover {
    opacity: 0.8;
}

.logo-img {
    height: 40px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a1a1a;
    letter-spacing: 0.5px;
    font-family: 'Arial', sans-serif;
}

/* Navigation Section */
.nav-section {
    display: flex;
    align-items: center;
    gap: 40px;
}

.main-nav {
    display: flex;
}

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

.nav-item {
    position: relative;
}

.nav-link {
    color: #666666;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    transition: color 0.3s ease;
    position: relative;
    padding: 10px 0;
    font-family: 'Arial', sans-serif;
}

.nav-link:hover {
    color: #1a1a1a;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #1a1a1a;
    transition: width 0.3s ease;
}

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

/* CTA Button */
.cta-button {
    background: #1a1a1a;
    color: #ffffff;
    padding: 12px 24px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    border-radius: 0;
    transition: all 0.3s ease;
    border: 2px solid #1a1a1a;
    font-family: 'Arial', sans-serif;
}

.cta-button:hover {
    background: transparent;
    color: #1a1a1a;
}

/* Mobile Menu Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 30px;
    height: 30px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 15;
}

.mobile-toggle span {
    width: 20px;
    height: 2px;
    background: #1a1a1a;
    margin: 2px 0;
    transition: all 0.3s ease;
    display: block;
}

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.nav-icons {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    flex-shrink: 0;
}

.nav-icon {
    color: #666;
    font-size: 0.9rem;
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border: 1px solid transparent;
    border-radius: 6px;
    cursor: pointer;
    line-height: 1;
    white-space: nowrap;
}

.nav-icon:hover,
.nav-icon.active {
    color: #2a2a2a;
    border-color: rgba(42, 42, 42, 0.1);
    background: rgba(42, 42, 42, 0.05);
}

/* ====== PAGE NAVIGATION ====== */
.page {
    display: none;
    min-height: 100vh;
    padding-top: 120px;
}

.page.active {
    display: block;
}

.page-content {
    padding: 4rem 3rem;
    max-width: 1400px;
    margin: 0 auto;
}

.page-header {
    text-align: center;
    margin-bottom: 5rem;
}

.page-title {
    font-size: 3rem;
    font-weight: 700;
    color: #2a2a2a;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.page-subtitle {
    font-size: 1.1rem;
    color: #666;
    font-weight: 400;
    max-width: 600px;
    margin: 0 auto;
}

/* ====== HOME PAGE HERO ====== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 0 3rem;
    margin-top: 80px;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    max-width: 500px;
}

.hero-badge {
    display: inline-block;
    background: #f0f0f0;
    color: #666;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 2rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1;
    color: #2a2a2a;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.6;
    margin-bottom: 3rem;
    font-weight: 400;
}

.cta-button {
    display: inline-block;
    background: #2a2a2a;
    color: white;
    padding: 1rem 2.5rem;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    border: 2px solid #2a2a2a;
    cursor: pointer;
}

.cta-button:hover {
    background: transparent;
    color: #2a2a2a;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 600px;
    background: linear-gradient(135deg, #f8f8f8 0%, #eeeeee 100%);
    border-radius: 20px;
    position: relative;
    overflow: hidden;
}

.hero-image::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 200px;
    height: 120px;
    background: rgba(42, 42, 42, 0.1);
    border-radius: 12px;
    transform: translate(-50%, -50%);
}

.hero-image span {
    color: #999;
    font-size: 1rem;
    font-weight: 500;
    z-index: 2;
    position: relative;
}

/* ====== SECTIONS ====== */
.section {
    padding: 8rem 3rem;
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    margin-bottom: 5rem;
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    color: #2a2a2a;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #666;
    font-weight: 400;
    max-width: 600px;
    margin: 0 auto;
}

/* ====== GRID SYSTEM ====== */
.grid {
    display: grid;
    gap: 3rem;
}

.grid-2 { 
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); 
}

.grid-3 { 
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); 
}

.grid-4 { 
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); 
}

/* ====== PRODUCT CARDS ====== */
.product-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    transition: transform 0.4s ease;
    border: 1px solid rgba(0,0,0,0.06);
}

.product-card:hover {
    transform: translateY(-8px);
}

.product-image {
    height: 300px;
    background: linear-gradient(135deg, #f8f8f8 0%, #eeeeee 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    font-weight: 500;
    position: relative;
    background-size: cover;
    background-position: center;
}

.product-image::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 120px;
    height: 80px;
    background: rgba(42, 42, 42, 0.1);
    border-radius: 8px;
    transform: translate(-50%, -50%);
}

.product-info {
    padding: 2rem;
}

.product-category {
    color: #999;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.product-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: #2a2a2a;
    margin-bottom: 1rem;
}

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

/* ====== SIMPLE CARDS ====== */
.simple-card {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid rgba(0,0,0,0.06);
    transition: transform 0.3s ease;
}

.simple-card:hover {
    transform: translateY(-4px);
}

.simple-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #2a2a2a;
    margin-bottom: 1.5rem;
}

.simple-card p {
    color: #666;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.simple-card strong {
    color: #2a2a2a;
}

/* ====== ABOUT PAGE STYLES ====== */
.about-hero {
    background: #2a2a2a;
    color: white;
    border-radius: 40px;
    padding: 5rem;
    margin-bottom: 5rem;
    text-align: center;
}

.about-hero h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: white;
}

.about-hero p {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.8);
    line-height: 1.7;
    max-width: 800px;
    margin: 0 auto;
}

/* ====== TIMELINE STYLES ====== */
.timeline {
    position: relative;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #e0e0e0;
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    margin-bottom: 3rem;
    align-items: center;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-content {
    width: 45%;
    background: white;
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(0,0,0,0.06);
    position: relative;
}

.timeline-year {
    width: 10%;
    text-align: center;
    font-weight: 700;
    font-size: 1.2rem;
    color: #2a2a2a;
    background: white;
    padding: 1rem;
    border-radius: 50%;
    border: 3px solid #f0f0f0;
    position: relative;
    z-index: 2;
}

.timeline-content h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2a2a2a;
    margin-bottom: 0.5rem;
}

.timeline-content p {
    color: #666;
    line-height: 1.6;
}

/* ====== STATS SECTION ====== */
.stats-section {
    background: white;
    border-radius: 20px;
    padding: 4rem;
    border: 1px solid rgba(0,0,0,0.06);
    margin: 3rem 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    text-align: center;
}

.stat-item {
    padding: 2rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: #2a2a2a;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: #666;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

/* ====== CONTACT PAGE STYLES ====== */
.contact-card {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid rgba(0,0,0,0.06);
    transition: transform 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-4px);
}

.contact-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #2a2a2a;
    margin-bottom: 2rem;
}

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

.contact-icon {
    width: 50px;
    height: 50px;
    background: #f0f0f0;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-details h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2a2a2a;
    margin-bottom: 0.5rem;
}

.contact-details p {
    color: #666;
    line-height: 1.6;
}

/* ====== MAP SECTION ====== */
.map-section {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    border: 1px solid rgba(0,0,0,0.06);
    margin: 3rem 0;
    text-align: center;
}

.map-placeholder {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, #f8f8f8 0%, #eeeeee 100%);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 2rem;
}

/* ====== OFFICE CARDS ====== */
.office-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid rgba(0,0,0,0.06);
    text-align: center;
    transition: transform 0.3s ease;
}

.office-card:hover {
    transform: translateY(-4px);
}

.office-icon {
    width: 80px;
    height: 80px;
    background: #f0f0f0;
    border-radius: 15px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.office-card h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2a2a2a;
    margin-bottom: 1rem;
}

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

.office-card strong {
    color: #2a2a2a;
}

/* ====== FAQ SECTION ====== */
.faq-section {
    margin: 3rem 0;
}

.faq-item {
    background: white;
    border-radius: 15px;
    margin-bottom: 1rem;
    border: 1px solid rgba(0,0,0,0.06);
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem 2rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s ease;
}

.faq-question:hover {
    background: #f8f8f8;
}

.faq-question h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2a2a2a;
}

.faq-answer {
    padding: 0 2rem 1.5rem;
    color: #666;
    line-height: 1.6;
    display: none;
}

.faq-answer.active {
    display: block;
}

/* ====== PARTNERSHIP PAGE STYLES ====== */
.partner-hero {
    background: #2a2a2a;
    color: white;
    border-radius: 40px;
    padding: 5rem;
    margin-bottom: 5rem;
    text-align: center;
}

.partner-hero h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: white;
}

.partner-hero p {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.8);
    line-height: 1.7;
    max-width: 800px;
    margin: 0 auto;
}

/* ====== BENEFIT CARDS ====== */
.benefit-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid rgba(0,0,0,0.06);
    text-align: center;
    transition: transform 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-4px);
}

.benefit-icon {
    width: 80px;
    height: 80px;
    background: #f0f0f0;
    border-radius: 15px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.benefit-card h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2a2a2a;
    margin-bottom: 1rem;
}

.benefit-card p {
    color: #666;
    line-height: 1.6;
}

/* ====== REQUIREMENTS SECTION ====== */
.requirements-section {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    border: 1px solid rgba(0,0,0,0.06);
    margin: 3rem 0;
}

.requirement-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background: #f8f8f8;
    border-radius: 12px;
}

.requirement-icon {
    width: 40px;
    height: 40px;
    background: #2a2a2a;
    color: white;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.requirement-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2a2a2a;
    margin-bottom: 0.5rem;
}

.requirement-content p {
    color: #666;
    line-height: 1.6;
}

/* ====== PROCESS STEPS ====== */
.process-section {
    margin: 3rem 0;
}

.process-step {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    border: 1px solid rgba(0,0,0,0.06);
}

.step-number {
    width: 60px;
    height: 60px;
    background: #2a2a2a;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2a2a2a;
    margin-bottom: 0.5rem;
}

.step-content p {
    color: #666;
    line-height: 1.6;
}

/* ====== FORM SECTION ====== */
.form-section {
    background: white;
    padding: 4rem;
    border-radius: 20px;
    border: 1px solid rgba(0,0,0,0.06);
}

.form-section h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #2a2a2a;
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 2rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    color: #2a2a2a;
    font-weight: 500;
    font-size: 0.9rem;
}

.form-input {
    width: 100%;
    padding: 1.2rem;
    border: 1px solid rgba(0,0,0,0.1);
    border-radius: 8px;
    font-size: 1rem;
    background: #fafafa;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: #2a2a2a;
    background: white;
}

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

.btn {
    background: #2a2a2a;
    color: white;
    padding: 1rem 2.5rem;
    border: 2px solid #2a2a2a;
    font-weight: 500;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 6px;
}

.btn:hover {
    background: transparent;
    color: #2a2a2a;
}

/* ====== FOOTER ====== */
.footer {
    background: #2a2a2a;
    color: white;
    padding: 5rem 3rem 2rem;
    margin-top: 8rem;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
}

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

.footer-section h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: white;
}

.footer-section p,
.footer-section span {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    line-height: 1.8;
    display: block;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
    cursor: pointer;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
    text-align: center;
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
}

/* ====== RESPONSIVE DESIGN ====== */
@media (max-width: 1200px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }

    .hero-title {
        font-size: 3rem;
    }

    .timeline::before {
        left: 0;
    }

    .timeline-item {
        flex-direction: column !important;
        align-items: flex-start;
        padding-left: 3rem;
    }

    .timeline-year {
        position: absolute;
        left: 0;
        transform: translateX(-50%);
        width: auto;
        min-width: 80px;
    }

    .timeline-content {
        width: 100%;
        margin-left: 2rem;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-wrapper {
        padding: 0 20px;
        height: 70px;
    }
    
    .logo-img {
        height: 35px;
    }
    
    .logo-text {
        font-size: 1.3rem;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .nav-section {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: #ffffff;
        border-top: 1px solid #e5e5e5;
        flex-direction: column;
        gap: 0;
        padding: 30px 20px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 10;
    }
    
    .nav-section.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .main-nav {
        width: 100%;
        margin-bottom: 30px;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 20px;
        width: 100%;
    }
    
    .nav-item {
        width: 100%;
        text-align: center;
    }
    
    .nav-link {
        font-size: 16px;
        padding: 15px 0;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .nav-link::after {
        display: none;
    }
    
    .cta-button {
        width: 100%;
        text-align: center;
        padding: 15px 24px;
    }

    .hero,
    .section,
    .page-content {
        padding: 4rem 1.5rem;
    }

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

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

    .about-hero,
    .partner-hero {
        padding: 3rem 2rem;
    }

    .about-hero h2,
    .partner-hero h2 {
        font-size: 2rem;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .simple-card,
    .contact-card,
    .form-section {
        padding: 2rem;
    }

    .map-section {
        padding: 2rem;
    }

    .map-placeholder {
        height: 300px;
    }

    .process-step {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .requirement-item {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .header-container {
        padding: 0 0.75rem;
    }
    
    .brand-name {
        font-size: 1.3rem;
    }
    
    .brand-logo {
        height: 30px;
    }
    
    .menu-list {
        padding: 1.5rem 0.75rem;
    }
}

/* ====== TAB STYLES ====== */
.tabs {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 3rem;
    border-bottom: 1px solid rgba(0,0,0,0.1);
    overflow-x: auto;
    padding-bottom: 0;
}

.tab-button {
    background: none;
    border: none;
    padding: 1rem 2rem;
    font-size: 0.95rem;
    font-weight: 500;
    color: #666;
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
    white-space: nowrap;
    position: relative;
}

.tab-button:hover {
    color: #2a2a2a;
    background: rgba(42, 42, 42, 0.05);
}

.tab-button.active {
    color: #2a2a2a;
    border-bottom-color: #2a2a2a;
    background: rgba(42, 42, 42, 0.05);
}

.tab-content {
    display: none;
    animation: fadeInUp 0.4s ease;
}

.tab-content.active {
    display: block;
}

/* Product grid override */
.row-cols-lg-3 > * {
    flex: 0 0 auto;
    width: 33.33333333%;
}

@media (min-width: 992px) {
    .row-cols-lg-3 > * {
        flex: 0 0 auto;
        width: 33.33333333%;
    }
}

/* Mobile responsive tabs */
@media (max-width: 768px) {
    .tabs {
        gap: 0.25rem;
    }
    
    .tab-button {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
}

/* ====== FEATURED PRODUCTS SECTION ====== */
.featured-products {
    background: #ffffff;
    position: relative;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2a2a2a;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 0;
}

.product-card {
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.product-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
    background: #f8f9fa;
}

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

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

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.product-overlay .btn {
    background: #ffffff;
    color: #2a2a2a;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.product-overlay .btn:hover {
    background: #f8f9fa;
    transform: translateY(-2px);
}

.product-info {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-category {
    font-size: 0.85rem;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.product-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2a2a2a;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.product-description {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.5;
    margin-bottom: 1rem;
    flex-grow: 1;
}

.product-price {
    margin-top: auto;
}

.current-price {
    font-size: 1.2rem;
    font-weight: 700;
    color: #2a2a2a;
}

.original-price {
    font-size: 1rem;
    color: #999;
    text-decoration: line-through;
    margin-right: 0.5rem;
}

.discount-price {
    font-size: 1.2rem;
    font-weight: 700;
    color: #e74c3c;
}

/* Responsive */
@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }
    
    .product-card {
        margin-bottom: 2rem;
    }
    
    .product-info {
        padding: 1.25rem;
    }
}

@media (max-width: 576px) {
    .section-title {
        font-size: 1.75rem;
    }
    
    .product-name {
        font-size: 1rem;
    }
}

/* ====== CATEGORIES SECTION ====== */
.categories-section {
    background: #f8f9fa;
    position: relative;
}

.category-card {
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.category-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.category-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/10;
    background: #f8f9fa;
}

.category-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.category-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.category-placeholder i {
    font-size: 3rem;
    opacity: 0.8;
}

.category-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.category-card:hover .category-overlay {
    opacity: 1;
}

.category-overlay .btn {
    background: #ffffff;
    color: #2a2a2a;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.category-overlay .btn:hover {
    background: #f8f9fa;
    transform: translateY(-2px);
}

.category-info {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    text-align: center;
}

.category-name {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2a2a2a;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.category-description {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.5;
    margin-bottom: 0;
    flex-grow: 1;
}

/* Responsive */
@media (max-width: 768px) {
    .category-card {
        margin-bottom: 2rem;
    }
    
    .category-info {
        padding: 1.25rem;
    }
    
    .category-name {
        font-size: 1.2rem;
    }
}

@media (max-width: 576px) {
    .category-name {
        font-size: 1.1rem;
    }
    
    .category-description {
        font-size: 0.9rem;
    }
}

/* ====== YOUTUBE VIDEO SECTION ====== */
.youtube-section {
    background: #ffffff;
    position: relative;
}

.video-container {
    background: #ffffff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    transition: all 0.3s ease;
}

.video-container:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.18);
}

.video-wrapper {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    background: #000;
    border-radius: 16px;
    overflow: hidden;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 16px;
}

.video-error {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
    background: rgba(0, 0, 0, 0.8);
    padding: 2rem;
    border-radius: 12px;
    width: 80%;
}

.video-error p {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 500;
}

/* Responsive */
@media (max-width: 768px) {
    .video-container {
        margin: 0 1rem;
    }
    
    .video-wrapper {
        border-radius: 12px;
    }
    
    .video-wrapper iframe {
        border-radius: 12px;
    }
}

@media (max-width: 576px) {
    .video-container {
        margin: 0 0.5rem;
    }
    
    .video-wrapper {
        border-radius: 8px;
    }
    
    .video-wrapper iframe {
        border-radius: 8px;
    }
    
    .video-error {
        padding: 1.5rem;
        width: 90%;
    }
    
    .video-error p {
        font-size: 1rem;
    }
}

/* ====== ANIMATIONS ====== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s ease forwards;
}

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