/* 
   Theme: İki Bilişim Premium Dark & Orange
   Fonts: Inter
*/

:root {
    /* Colors */
    --primary-orange: #FF6600;
    /* Adjusted to match brand orange */
    --primary-orange-hover: #e65c00;
    --dark-bg: #111111;
    --dark-secondary: #1a1a1a;
    --text-color: #333333;
    --text-light: #f4f4f4;
    --text-muted: #888888;
    --white: #ffffff;
    --border-color: #e5e5e5;

    /* Spacing */
    --section-padding: 100px 0;
    --container-width: 1200px;

    /* Transitions */
    --transition-fast: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--white);
    overflow-x: hidden;
}

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

.text-orange {
    color: var(--primary-orange);
}

.text-center {
    text-align: center;
}

.section {
    padding: var(--section-padding);
}

.section-header {
    margin-bottom: 60px;
}

.section-badge {
    display: inline-block;
    padding: 6px 12px;
    background-color: rgba(255, 102, 0, 0.1);
    color: var(--primary-orange);
    font-size: 14px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 15px;
    letter-spacing: 1px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--dark-bg);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 5px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-fast);
    cursor: pointer;
    font-size: 16px;
}

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

.btn-primary:hover {
    background-color: transparent;
    color: var(--primary-orange);
}

.btn-outline {
    background-color: transparent;
    color: var(--white);
    border: 2px solid var(--white);
    margin-left: 15px;
}

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

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-fast);
    background: transparent;
}

header.scrolled {
    background: rgba(17, 17, 17, 0.95);
    padding: 15px 0;
    backdrop-filter: blur(10px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-img {
    background-color: white; 
    border-radius: 50px;    
    padding: 5px 15px;       
    height: 50px;           
    width: auto;            
    display: inline-block;
    object-fit: contain;    
}

.footer-logo .logo-img {
    background-color: white; 
    border-radius: 60px;    
    margin-left: 30px;  
    height: 70px;           
    width: auto;            
    display: inline-block;
    object-fit: contain;  
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
}

.nav-item {
    margin-left: 30px;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    transition: var(--transition-fast);
    opacity: 0.9;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-orange);
    opacity: 1;
}

.nav-btn.nav-link {
    padding: 10px 24px;
    background-color: var(--primary-orange);
    border-radius: 4px;
    color: var(--white);
}

.nav-btn.nav-link:hover {
    background-color: var(--primary-orange-hover);
    color: var(--white);
}

.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--white);
    transition: all 0.3s ease-in-out;
}

/* Hero Section */
#hero {
    position: relative;
    height: 100vh;
    width: 100%;
    display: flex;
    align-items: center;
    background-image: url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?q=80&w=2070&auto=format&fit=crop');
    /* Placeholder until user specifies */
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.6) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    color: var(--white);
    text-align: left;
    max-width: 900px;
}

.hero-subtitle {
    font-size: 18px;
    letter-spacing: 3px;
    color: var(--primary-orange);
    margin-bottom: 20px;
    font-weight: 600;
    text-transform: uppercase;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 30px;
}

.hero-desc {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
    max-width: 600px;
    font-weight: 300;
}

.scroll-down {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--white);
    font-size: 24px;
    z-index: 2;
    animation: bounce 2s infinite;
    text-decoration: none;
    opacity: 0.7;
    transition: var(--transition-fast);
}

.scroll-down:hover {
    opacity: 1;
    color: var(--primary-orange);
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    40% {
        transform: translateX(-50%) translateY(-10px);
    }

    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* Animations */
.animate-fade-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s forwards;
}

.delay-100 {
    animation-delay: 0.1s;
}

.delay-200 {
    animation-delay: 0.2s;
}

.delay-300 {
    animation-delay: 0.3s;
}

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

/* Responsive */
@media (max-width: 768px) {
    .hamburger {
        display: block;
        z-index: 1001;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 0;
        flex-direction: column;
        background-color: var(--dark-bg);
        width: 100%;
        height: 100%;
        justify-content: center;
        text-align: center;
        transition: 0.3s;
        z-index: 1000;
    }

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

    .nav-item {
        margin: 20px 0;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-desc {
        font-size: 16px;
    }

    .btn {
        display: block;
        width: 100%;
        text-align: center;
        margin: 10px 0 0 0;
    }

    .btn-outline {
        margin-left: 0;
    }

    .hero-buttons {
        display: flex;
        flex-direction: column;
    }
}

/* About Section */
.about-container {
    display: flex;
    align-items: center;
    gap: 60px;
}

.about-content {
    flex: 1;
}

.about-text p {
    margin-bottom: 20px;
    color: #555;
    text-align: justify;
}

.about-features {
    display: flex;
    gap: 20px;
    margin-top: 30px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    color: var(--dark-bg);
}

.feature-item i {
    color: var(--primary-orange);
}

.about-image {
    flex: 1;
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

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

.experience-badge {
    position: absolute;
    bottom: 30px;
    left: 30px;
    background-color: var(--primary-orange);
    color: var(--white);
    padding: 20px;
    border-radius: 5px;
    text-align: center;
    box-shadow: 0 10px 20px rgba(255, 102, 0, 0.3);
}

.badge-year {
    display: block;
    font-size: 30px;
    font-weight: 800;
    line-height: 1;
}

.badge-text {
    font-size: 14px;
    font-weight: 500;
}

/* Services Section */
.bg-light {
    background-color: #f9f9f9;
}

.section-desc {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

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

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-bottom-color: var(--primary-orange);
}

.service-icon {
    width: 70px;
    height: 70px;
    background-color: rgba(255, 102, 0, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    transition: 0.3s;
}

.service-card:hover .service-icon {
    background-color: var(--primary-orange);
}

.service-icon i {
    font-size: 28px;
    color: var(--primary-orange);
    transition: 0.3s;
}

.service-card:hover .service-icon i {
    color: var(--white);
}

.service-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--dark-bg);
}

.service-desc {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.6;
}

@media (max-width: 992px) {
    .about-container {
        flex-direction: column;
    }

    .about-image {
        width: 100%;
        margin-top: 30px;
    }
}

/* Solutions Grid Section */
.solutions-grid {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.solution-category {
    background: #fff;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
}

.category-header {
    margin-bottom: 40px;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.category-header-main {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
}

.category-main-logo {
    height: 110px;
    width: auto;
    object-fit: contain;
}

.category-icon-main i {
    font-size: 50px;
    color: var(--primary-orange);
    background: rgba(255, 102, 0, 0.1);
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.dikey-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--dark-bg);
}

.category-header p {
    color: var(--text-muted);
    font-size: 16px;
    line-height: 1.6;
}

.product-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.product-card {
    background: #fdfdfd;
    border: 1px solid #eee;
    padding: 30px;
    border-radius: 8px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(255, 102, 0, 0.1);
    border-color: rgba(255, 102, 0, 0.3);
}

.product-header {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 15px;
    gap: 15px;
    min-height: 80px;
}

.product-brand-logo {
    height: 50px;
    min-height: 50px;
    max-width: 180px;
    object-fit: contain;
    margin-bottom: 5px;
}

.product-icon-wrap i {
    font-size: 24px;
    color: var(--white);
    background: var(--primary-orange);
    width: 50px;
    height: 50px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-card h4 {
    font-size: 18px;
    color: var(--dark-bg);
    margin: 0;
}

.product-text-logo {
    font-size: 26px;
    font-weight: 800;
    color: var(--dark-bg);
    margin: 0;
    margin-bottom: 5px;
    transition: color 0.3s ease, transform 0.3s ease;
    display: inline-block;
    letter-spacing: -0.5px;
}

.product-text-logo .highlight {
    color: var(--primary-orange);
    transition: color 0.3s ease;
}

.product-card:hover .product-text-logo {
    transform: translateY(-3px);
    color: var(--primary-orange);
}

.product-card:hover .product-text-logo .highlight {
    color: var(--dark-bg);
}

.product-card p {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.6;
    margin: 0;
}

@media (max-width: 768px) {
    .solution-category {
        padding: 20px;
    }

    .category-main-logo {
        height: 80px;
    }
}

/* Partner Showcase Section */
.showcase-container {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.showcase-nav {
    display: flex;
    background: var(--dark-secondary);
    border-bottom: 4px solid var(--primary-orange);
    overflow-x: auto;
}

.showcase-tab {
    flex: 1;
    padding: 20px;
    background: transparent;
    color: #888;
    border: none;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.showcase-tab:hover {
    color: var(--white);
    background: rgba(255, 255, 255, 0.05);
}

.showcase-tab.active {
    color: var(--white);
    background: var(--primary-orange);
}

.showcase-content {
    min-height: 450px;
    position: relative;
}

.showcase-item {
    display: none;
    animation: fadeIn 0.5s ease;
    display: flex;
    /* Changed from just none to handle active later via JS */
    flex-wrap: wrap;
}

.showcase-item:not(.active) {
    display: none;
}

.showcase-item.active {
    display: flex;
}

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

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

.showcase-visual {
    flex: 1.2;
    background: #000;
    position: relative;
    overflow: hidden;
    min-height: 400px;
}

.visual-content {
    width: 100%;
    height: 100%;
    position: relative;
}

.visual-bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.6;
    transition: transform 0.5s ease;
}

.gallery-slider {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    width: 100%;
    height: 100%;
    background: #fdfdfd;
    padding: 20px 50px;
    /* Space for buttons */
}

.slider-images {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.gallery-slide {
    position: absolute;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    border-radius: 8px;
}

.gallery-slide.active {
    opacity: 1;
    position: relative;
    pointer-events: auto;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.7);
    color: var(--white);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: background 0.3s ease;
}

.slider-btn:hover {
    background: var(--primary-orange);
}

.prev-btn {
    left: 10px;
}

.next-btn {
    right: 10px;
}

.showcase-item:hover .visual-bg {
    transform: scale(1.05);
}

.visual-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 30px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
}

.visual-overlay h3 {
    color: var(--white);
    font-size: 32px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.showcase-details {
    flex: 1;
    padding: 50px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: var(--white);
}

.showcase-details h3 {
    font-size: 26px;
    color: var(--dark-bg);
    margin-bottom: 25px;
    border-bottom: 2px solid #eee;
    padding-bottom: 15px;
}

.detail-list {
    list-style: none;
}

.detail-list li {
    margin-bottom: 15px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: #555;
    font-size: 15px;
    line-height: 1.5;
}

.detail-list li i {
    color: var(--primary-orange);
    font-size: 18px;
    margin-top: 3px;
    flex-shrink: 0;
}

.split-details {
    flex-direction: column;
    gap: 30px;
}

.split-col h4 {
    font-size: 18px;
    color: var(--primary-orange);
    margin-bottom: 10px;
    font-weight: 700;
}

.split-col p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

.partner-logos {
    display: flex;
    gap: 20px;
    margin-top: 30px;
}

.p-logo {
    padding: 10px 20px;
    border: 2px solid #eee;
    font-weight: 700;
    color: #888;
    border-radius: 5px;
    text-transform: uppercase;
}

@media (max-width: 992px) {
    .showcase-item {
        flex-direction: column;
    }

    .showcase-visual {
        min-height: 250px;
    }

    .showcase-details {
        padding: 30px;
    }
}

/* Solutions Section */
.solutions-container {
    display: flex;
    flex-direction: column;
    gap: 80px;
}

.solution-item {
    display: flex;
    align-items: center;
    gap: 60px;
}

.solution-item.reverse {
    flex-direction: row-reverse;
}

.solution-img {
    flex: 1;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.solution-img img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.solution-item:hover .solution-img img {
    transform: scale(1.05);
}

.solution-text {
    flex: 1;
}

.solution-text h3 {
    font-size: 28px;
    margin-bottom: 20px;
    color: var(--dark-bg);
}

.solution-list {
    list-style: none;
    margin-top: 20px;
}

.solution-list li {
    margin-bottom: 15px;
    display: flex;
    align-items: flex-start;
    gap: 15px;
    font-size: 15px;
    color: #555;
    line-height: 1.5;
}

.solution-list li i.text-orange {
    color: var(--primary-orange);
    background: rgba(255, 102, 0, 0.1);
    padding: 6px;
    border-radius: 50%;
    font-size: 10px;
    margin-top: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

/* Stats Section */
    .stats-section {
        background-color: var(--dark-bg);
        padding: 100px 0;
        color: var(--white);
        position: relative;
    }

    .stats-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        gap: 30px;
        text-align: center;
    }

    .stat-card {
        display: flex;
        flex-direction: column;
        align-items: center;
        background: var(--dark-secondary);
        padding: 40px 20px;
        border-radius: 20px;
        border: 1px solid rgba(255, 255, 255, 0.05);
        transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        cursor: default;
        position: relative;
        overflow: hidden;
    }

    .stat-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: radial-gradient(circle at top right, rgba(255, 102, 0, 0.1), transparent 70%);
        opacity: 0;
        transition: opacity 0.5s ease;
    }

    .stat-card:hover {
        transform: translateY(-10px);
        border-color: rgba(255, 102, 0, 0.3);
        box-shadow: 0 15px 40px rgba(255, 102, 0, 0.15);
    }

    .stat-card:hover::before {
        opacity: 1;
    }

    .stat-circle {
        position: relative;
        width: 140px;
        height: 140px;
        margin-bottom: 10px;
        z-index: 1;
    }

    .circular-chart {
        display: block;
        margin: 0 auto;
        max-width: 100%;
        max-height: 250px;
    }

    .circle-bg {
        fill: none;
        stroke: rgba(255, 255, 255, 0.03);
        stroke-width: 2.5;
    }

    .circle {
        fill: none;
        stroke-width: 2.5;
        stroke-linecap: round;
        animation: progress 2s ease-out forwards;
    }

    .circular-chart.orange .circle {
        stroke: var(--primary-orange);
        transition: filter 0.4s ease;
    }

    .stat-card:hover .circular-chart.orange .circle {
        filter: drop-shadow(0 0 6px rgba(255, 102, 0, 0.6));
    }

    @keyframes progress {
        0% {
            stroke-dasharray: 0, 100;
        }
    }

    .stat-number {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        font-size: 38px;
        font-weight: 800;
        color: var(--white);
        text-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
        transition: all 0.4s ease;
    }

    .stat-card:hover .stat-number {
        transform: translate(-50%, -50%) scale(1.15);
        color: var(--primary-orange);
    }

    .stat-title {
        font-size: 15px;
        color: var(--text-muted);
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 1.5px;
        margin-top: 15px;
        z-index: 1;
        transition: color 0.3s ease;
    }

    .stat-card:hover .stat-title {
        color: var(--white);
    }

    /* Testimonials */
    .testimonials-wrapper {
        position: relative;
        padding: 0 50px;
        /* Space for buttons */
    }

    .testimonials-slider {
        display: flex;
        overflow-x: auto;
        scroll-behavior: smooth;
        scroll-snap-type: x mandatory;
        gap: 30px;
        -ms-overflow-style: none;
        /* IE and Edge */
        scrollbar-width: none;
        /* Firefox */
        padding-bottom: 20px;
        /* Shadow clearance */
    }

    .testimonials-slider::-webkit-scrollbar {
        display: none;
        /* Chrome, Safari and Opera */
    }

    .testimonial-card {
        min-width: calc(33.333% - 20px);
        scroll-snap-align: center;
        flex-shrink: 0;
        background: var(--white);
        padding: 40px;
        border-radius: 10px;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
        position: relative;
        border-top: 4px solid var(--primary-orange);
    }

    .prev-testimonial {
        left: 0;
    }

    .next-testimonial {
        right: 0;
    }

    @media (max-width: 992px) {
        .testimonial-card {
            min-width: calc(50% - 15px);
        }
    }

    @media (max-width: 768px) {
        .testimonial-card {
            min-width: 100%;
        }

        .testimonials-wrapper {
            padding: 0 40px;
        }
    }

    .quote-icon {
        font-size: 30px;
        color: rgba(255, 102, 0, 0.2);
        margin-bottom: 20px;
    }

    .testimonial-text {
        font-style: italic;
        color: #555;
        margin-bottom: 30px;
    }

    .testimonial-author h4 {
        font-size: 16px;
        font-weight: 700;
        color: var(--dark-bg);
    }

    .testimonial-author span {
        font-size: 13px;
        color: var(--text-muted);
    }

    /* FAQ Section */
    .faq-section {
        background-color: #fafafa;
    }
    
    .faq-container {
        max-width: 900px;
        margin: 0 auto;
    }
    
    .faq-item {
        background: var(--white);
        border: 1px solid var(--border-color);
        border-radius: 12px;
        margin-bottom: 20px;
        overflow: hidden;
        transition: all 0.3s ease;
    }
    
    .faq-item:hover {
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.03);
        border-color: rgba(255, 102, 0, 0.3);
    }
    
    .faq-question {
        width: 100%;
        background: none;
        border: none;
        padding: 25px 30px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        cursor: pointer;
        font-family: inherit;
        font-size: 17px;
        font-weight: 600;
        color: var(--dark-bg);
        text-align: left;
        transition: color 0.3s ease;
    }
    
    .faq-question:hover {
        color: var(--primary-orange);
    }
    
    .faq-icon {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 35px;
        height: 35px;
        border-radius: 50%;
        background: rgba(255, 102, 0, 0.1);
        color: var(--primary-orange);
        transition: transform 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55), background 0.3s ease, color 0.3s ease;
        flex-shrink: 0;
        margin-left: 15px;
    }
    
    .faq-item.active .faq-icon {
        transform: rotate(45deg);
        background: var(--primary-orange);
        color: var(--white);
    }
    
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s cubic-bezier(0, 1, 0, 1);
        background: var(--white);
    }
    
    .faq-answer p {
        padding: 0 30px 25px 30px;
        color: var(--text-muted);
        line-height: 1.7;
        opacity: 0;
        transition: opacity 0.3s ease 0.1s, transform 0.3s ease 0.1s;
        transform: translateY(10px);
    }
    
    .faq-item.active {
        border-color: var(--primary-orange);
        box-shadow: 0 10px 30px rgba(255, 102, 0, 0.08);
    }

    .faq-item.active .faq-answer {
        max-height: 1000px;
        transition: max-height 0.6s ease-in-out;
    }
    
    .faq-item.active .faq-answer p {
        opacity: 1;
        transform: translateY(0);
    }

    /* References */
    .references-grid {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }

    .ref-item {
        background: var(--white);
        border: 1px solid #eee;
        padding: 12px 20px;
        border-radius: 5px;
        font-weight: 600;
        color: #555;
        transition: 0.3s;
        cursor: pointer;
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.02);
        display: inline-flex;
        align-items: center;
        gap: 12px;
        text-decoration: none;
    }
    
    .ref-logo img {
        height: 45px;
        width: auto;
        max-width: 120px;
        object-fit: contain;
        display: block;
        filter: grayscale(100%) opacity(0.7);
        transition: 0.3s;
    }

    .ref-item:hover {
        border-color: var(--primary-orange);
        color: var(--primary-orange);
        transform: translateY(-3px);
        box-shadow: 0 5px 15px rgba(255, 102, 0, 0.1);
    }

    .ref-item:hover .ref-logo img {
        filter: grayscale(0%) opacity(1);
    }

    /* Footer */
    .footer {
        background-color: var(--dark-bg);
        color: var(--text-light);
        padding-top: 80px;
    }

    .footer-container {
        display: grid;
        grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
        gap: 40px;
        padding-bottom: 60px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .footer-logo {
        margin-bottom: 20px;
    }

    .footer-desc {
        color: #aaa;
        margin-bottom: 25px;
        font-size: 14px;
    }

    .social-links {
        display: flex;
        gap: 15px;
    }

    .social-icon {
        width: 35px;
        height: 35px;
        background: rgba(255, 255, 255, 0.1);
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        color: var(--white);
        text-decoration: none;
        transition: 0.3s;
    }

    .social-icon:hover {
        background: var(--primary-orange);
        transform: translateY(-3px);
    }

    .footer-col h3 {
        font-size: 18px;
        margin-bottom: 25px;
        position: relative;
        padding-bottom: 10px;
    }

    .footer-col h3::after {
        content: '';
        position: absolute;
        left: 0;
        bottom: 0;
        width: 30px;
        height: 2px;
        background-color: var(--primary-orange);
    }

    .footer-links,
    .footer-contact {
        list-style: none;
    }

    .footer-links li {
        margin-bottom: 12px;
    }

    .footer-links a {
        color: #aaa;
        text-decoration: none;
        transition: 0.3s;
        font-size: 14px;
    }

    .footer-links a:hover {
        color: var(--primary-orange);
        padding-left: 5px;
    }

    .footer-contact li {
        display: flex;
        gap: 10px;
        margin-bottom: 15px;
        color: #aaa;
        font-size: 14px;
        align-items: flex-start;
    }

    .footer-contact i {
        color: var(--primary-orange);
        margin-top: 4px;
    }

    .map-container {
        border-radius: 12px;
        overflow: hidden;
        height: 180px;
        width: 100%;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
        border: 1px solid rgba(255, 255, 255, 0.05);
    }

    .map-container iframe {
        width: 100%;
        height: 100%;
        border: 0;
        display: block;
    }

    .footer-bottom {
        padding: 20px 0;
        text-align: center;
        color: #666;
        font-size: 13px;
        background-color: #0d0d0d;
    }

    /* WhatsApp Button */
    .whatsapp-btn {
        position: fixed;
        bottom: 30px;
        right: 30px;
        width: 60px;
        height: 60px;
        background-color: #25D366;
        color: var(--white);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 30px;
        box-shadow: 0 5px 20px rgba(37, 211, 102, 0.4);
        z-index: 999;
        text-decoration: none;
        transition: 0.3s;
    }

    .whatsapp-btn:hover {
        transform: scale(1.1);
    }

    /* Back to Top Button */
    .back-to-top {
        position: fixed;
        bottom: 30px;
        left: 30px;
        width: 45px;
        height: 45px;
        background-color: var(--dark-bg);
        color: var(--white);
        border-radius: 5px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        z-index: 998;
        cursor: pointer;
        transition: 0.3s;
        opacity: 0;
        pointer-events: none;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    }

    .back-to-top.active {
        opacity: 0.8;
        pointer-events: all;
    }

    .back-to-top:hover {
        opacity: 1;
        background-color: var(--primary-orange);
    }

    /* Responsive Footer */
    @media (max-width: 992px) {

        .solution-item,
        .solution-item.reverse {
            flex-direction: column;
        }

        .footer-container {
            grid-template-columns: 1fr 1fr;
        }
    }

    @media (max-width: 576px) {
        .footer-container {
            grid-template-columns: 1fr;
        }

        .references-grid {
            gap: 10px;
        }

        .ref-item {
            font-size: 13px;
            padding: 10px 15px;
            width: 100%;
            text-align: center;
        }
    }