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

:root {
    /* Açık / beyazımsı tema renkleri */
    --primary-blue: #2563eb;
    --dark-blue: #1d4ed8;
    --light-blue: #93c5fd;
    --silver: #64748b;
    --light-silver: #1f2933;      /* Genel metin rengi (koyu) */
    --medium-silver: #4b5563;     /* İkincil metin */
    --dark-silver: #9ca3af;
    --white: #ffffff;
    --dark: #f3f4f6;
    --gray: #4b5563;
    --silver-blue: #64748b;
    --dark-gray-bg: #f3f4f6;      /* Sayfa arka planı için açık gri */
    --medium-gray: #f9fafb;       /* Bölüm zeminleri için çok açık */
    --light-gray: #e5e7eb;
    --card-bg: #ffffff;           /* Kart zeminleri beyaz */
    --card-hover: #f3f4f6;        /* Kart hover açık gri */
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--light-silver);
    background-color: var(--dark-gray-bg);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.navbar .container {
    padding-left: 0;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(243, 244, 246, 0.98) 100%);
    backdrop-filter: blur(15px);
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(148, 163, 184, 0.4);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.6rem 0;
}

.logo {
    margin-left: 15px;
    margin-right: auto;
}

.logo h2 {
    background: linear-gradient(135deg, var(--light-silver) 0%, var(--medium-silver) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.1rem;
    background: transparent;
    padding: 0;
    border-radius: 0;
    backdrop-filter: none;
    box-shadow: none;
}

.nav-menu li {
    position: relative;
}

.nav-link {
    text-decoration: none;
    color: var(--medium-silver);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 0;
    display: inline-block;
    transition: all 0.2s ease;
    position: relative;
    overflow: visible;
    font-size: 0.9rem;
    letter-spacing: 0;
}

.nav-link::before {
    display: none;
}

.nav-link:hover {
    color: var(--primary-blue);
    transform: none;
    box-shadow: none;
    background: rgba(191, 219, 254, 0.5);
}

.nav-link.active {
    color: var(--primary-blue);
    background: transparent;
    box-shadow: none;
    transform: none;
    border-bottom: 2px solid var(--primary-blue);
}

.nav-link::after {
    display: none;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 28px;
    height: 3px;
    background: linear-gradient(90deg, var(--light-silver) 0%, var(--medium-silver) 100%);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 3px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

.hamburger:hover span {
    background: linear-gradient(90deg, var(--medium-silver) 0%, var(--light-silver) 100%);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
    background: linear-gradient(90deg, var(--light-silver) 0%, var(--medium-silver) 100%);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
    background: linear-gradient(90deg, var(--light-silver) 0%, var(--medium-silver) 100%);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(191, 219, 254, 0.9) 0%, rgba(219, 234, 254, 0.9) 50%, rgba(191, 219, 254, 0.9) 100%), url('arkaplan.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    color: var(--light-silver);
    text-align: center;
    overflow: hidden;
}

.hero::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"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" 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-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.55);
}

.hero-content {
    position: relative;
    z-index: 1;
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--light-silver);
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--light-gray);
    color: var(--light-silver);
}

.btn-primary:hover {
    background: var(--medium-gray);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.scroll-indicator span {
    display: block;
    width: 30px;
    height: 50px;
    border: 2px solid var(--white);
    border-radius: 25px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: var(--white);
    border-radius: 50%;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
}

/* Section Styles */
section {
    padding: 80px 0;
}

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

.section-title {
    font-size: 2.5rem;
    color: var(--light-silver);
    margin-bottom: 1rem;
    font-weight: 700;
}

.title-underline {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--light-gray), var(--medium-silver), var(--light-silver));
    margin: 0 auto;
    border-radius: 2px;
}

/* About Section */
.about {
    background: var(--medium-gray);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    color: var(--medium-silver);
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(113, 128, 150, 0.2);
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--light-silver);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--medium-silver);
    font-weight: 500;
}

/* Products Section */
.products {
    background: var(--dark-gray-bg);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

/* Hızlı erişim kartlarının aynı boyda görünmesi için */
.products-grid a {
    display: block;
    height: 100%;
}

.product-card {
    background: var(--card-bg);
    padding: 1.75rem 1.5rem;
    border-radius: 4px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(113, 128, 150, 0.2);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.product-card:hover {
    transform: translateY(-3px);
    border-color: rgba(113, 128, 150, 0.4);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    background: var(--card-hover);
}

.product-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.product-card h3 {
    font-size: 1.25rem;
    color: var(--light-silver);
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.product-card p {
    color: var(--medium-silver);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Services Section */
.services {
    background: linear-gradient(135deg, var(--medium-gray) 0%, var(--dark-gray-bg) 100%);
}

.services-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-item {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(113, 128, 150, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: var(--medium-silver);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.service-item:hover::before {
    transform: scaleY(1);
}

.service-item:hover {
    transform: translateX(3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.service-number {
    font-size: 4rem;
    font-weight: 700;
    color: rgba(160, 174, 192, 0.3);
    line-height: 1;
    margin-bottom: 1rem;
}

.service-item h3 {
    font-size: 1.5rem;
    color: var(--light-silver);
    margin-bottom: 1rem;
    font-weight: 600;
}

.service-item p {
    color: var(--medium-silver);
    line-height: 1.6;
}

/* Contact Section */
.contact {
    background: var(--medium-gray);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.info-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.info-icon {
    font-size: 2rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--light-gray) 0%, var(--medium-gray) 100%);
    color: var(--white);
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
}

.info-text h4 {
    font-size: 1.2rem;
    color: var(--light-silver);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.info-text p {
    color: var(--medium-silver);
    line-height: 1.6;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.form-group input,
.form-group textarea {
    padding: 15px;
    border: 1px solid rgba(113, 128, 150, 0.2);
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
    background: var(--white);
    color: var(--light-silver);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--medium-silver);
    opacity: 0.7;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: rgba(113, 128, 150, 0.5);
    background: var(--light-gray);
    box-shadow: 0 0 0 2px rgba(113, 128, 150, 0.1);
}

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

/* Gallery Section */
.gallery {
    background: var(--medium-gray);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(113, 128, 150, 0.2);
    transition: all 0.3s ease;
    background: var(--card-bg);
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gallery-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    border-color: rgba(113, 128, 150, 0.4);
}

.gallery-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--card-bg);
    color: var(--medium-silver);
    font-size: 3rem;
}

.gallery-item h3 {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(148, 163, 184, 0.95), transparent);
    color: var(--light-silver);
    padding: 1.5rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
    font-size: 1.2rem;
    font-weight: 600;
}

.gallery-item:hover h3 {
    transform: translateY(0);
}

/* Ürün kataloğu (Firebase) */
.catalog-section {
    background: var(--white);
    padding: 80px 0;
}

.catalog-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.catalog-section-title {
    text-align: left;
    margin-bottom: 0.35rem;
}

.catalog-lead {
    color: var(--medium-silver);
    font-size: 1rem;
    margin: 0;
}

.catalog-filters {
    margin-bottom: 1.75rem;
    max-width: 420px;
}

.catalog-category-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--light-silver);
    margin-bottom: 0.5rem;
}

.catalog-select {
    width: 100%;
    max-width: 420px;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    font-family: inherit;
    color: var(--light-silver);
    background: var(--white);
    border: 1px solid #d1d5db;
    border-radius: 6px;
    cursor: pointer;
    appearance: auto;
}

.catalog-select:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 1px;
}

.modal-select {
    cursor: pointer;
}

.modal-textarea {
    min-height: 88px;
    resize: vertical;
    line-height: 1.45;
}

.detail-modal-overlay {
    z-index: 2100;
}

.detail-modal-panel {
    max-width: 380px;
    padding-bottom: 0.5rem;
}

.detail-modal-title {
    font-size: 1rem;
    line-height: 1.3;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.detail-modal-body {
    padding: 0 1.25rem 1.25rem;
    text-align: center;
}

.detail-modal-img {
    width: 100%;
    max-height: 180px;
    object-fit: contain;
    margin-bottom: 0.75rem;
    border-radius: 6px;
    background: var(--medium-gray);
}

.detail-modal-category {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--primary-blue);
    margin: 0 0 0.65rem;
}

.detail-modal-desc {
    font-size: 0.875rem;
    color: var(--medium-silver);
    line-height: 1.5;
    margin: 0;
    text-align: left;
    white-space: pre-wrap;
}

.catalog-loading,
.catalog-empty {
    text-align: center;
    color: var(--medium-silver);
    padding: 2rem 1rem;
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
}

.product-catalog-card {
    position: relative;
    border: 1px solid #e0e0e0;
    padding: 20px;
    text-align: center;
    background: var(--white);
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 280px;
    transition: box-shadow 0.2s ease;
    cursor: pointer;
}

.product-catalog-card:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

.product-catalog-card:hover {
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}

/* Kart üzerinde gizli silme (×); hover veya klavye odağında görünür */
.product-card-remove-x {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 4;
    width: 32px;
    height: 32px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: rgba(15, 23, 42, 0.45);
    color: #fff;
    font-size: 1.35rem;
    line-height: 1;
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, background 0.2s ease, transform 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-catalog-card:hover .product-card-remove-x,
.product-card-remove-x:focus-visible {
    opacity: 1;
    pointer-events: auto;
}

.product-card-remove-x:hover {
    background: rgba(185, 28, 28, 0.95);
    transform: scale(1.05);
}

.product-card-remove-x:focus-visible {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

@media (hover: none) {
    .product-card-remove-x {
        opacity: 0.4;
        pointer-events: auto;
    }
}

.product-catalog-card img {
    width: 100%;
    max-height: 220px;
    object-fit: contain;
    flex: 1;
    margin-bottom: 12px;
}

.product-catalog-title {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--light-silver);
    line-height: 1.35;
    margin: 0;
}

/* Admin / ürün modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.25rem;
    backdrop-filter: blur(4px);
}

.modal-overlay[hidden] {
    display: none !important;
}

.modal-panel {
    background: var(--white);
    border-radius: 12px;
    width: 100%;
    max-width: 440px;
    max-height: min(90vh, 640px);
    overflow-y: auto;
    box-shadow: 0 24px 48px rgba(15, 23, 42, 0.2);
    border: 1px solid var(--light-gray);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.25rem 0;
    gap: 1rem;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--light-silver);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.75rem;
    line-height: 1;
    color: var(--medium-silver);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 4px;
}

.modal-close:hover {
    color: var(--light-silver);
    background: var(--dark-gray-bg);
}

.modal-subtitle {
    padding: 0.35rem 1.25rem 1rem;
    margin: 0;
    font-size: 0.9rem;
    color: var(--medium-silver);
}

.modal-form {
    padding: 0 1.25rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.modal-label {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--light-silver);
}

.modal-input {
    padding: 0.65rem 0.75rem;
    border: 1px solid var(--light-gray);
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
    background: var(--white);
    color: var(--light-silver);
}

.modal-input:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 1px;
}

.modal-input-file {
    padding: 0.5rem;
}

.preview-wrap {
    border: 1px dashed var(--light-gray);
    border-radius: 8px;
    padding: 12px;
    text-align: center;
    background: var(--medium-gray);
}

.preview-img {
    max-width: 100%;
    max-height: 200px;
    object-fit: contain;
    vertical-align: middle;
}

.form-error {
    color: #b91c1c;
    font-size: 0.875rem;
    margin: 0;
}

.modal-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 0.25rem;
}

.modal-actions-split {
    justify-content: space-between;
    flex-wrap: wrap;
}

.btn-block {
    width: 100%;
    text-align: center;
}

.btn-outline {
    background: transparent;
    color: var(--light-silver);
    border: 2px solid var(--light-gray);
}

.btn-outline:hover {
    background: var(--dark-gray-bg);
    border-color: var(--silver);
}

.btn-outline-danger {
    border-color: rgba(185, 28, 28, 0.45);
    color: #b91c1c;
}

.btn-outline-danger:hover {
    background: rgba(185, 28, 28, 0.08);
    border-color: #b91c1c;
    color: #991b1b;
}

.category-admin-block {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    padding: 0.75rem 0 0;
    border-top: 1px solid var(--light-gray);
    margin-top: 0.15rem;
}

.category-admin-heading {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--medium-silver);
}

.category-admin-add-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: stretch;
}

.category-admin-add-row .modal-input {
    flex: 1;
    min-width: 140px;
}

.category-admin-btn {
    flex-shrink: 0;
    padding: 0.55rem 1rem;
    font-size: 0.9rem;
}

.category-admin-delete-btn {
    align-self: flex-start;
    padding: 0.45rem 0.85rem;
    font-size: 0.875rem;
}

.category-admin-message {
    margin: 0;
    font-size: 0.8rem;
    color: #b91c1c;
}

.category-admin-message[data-variant="ok"] {
    color: #15803d;
}

@media (max-width: 1024px) {
    .catalog-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .catalog-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .catalog-toolbar {
        flex-direction: column;
        align-items: stretch;
    }
}

@media (max-width: 480px) {
    .catalog-grid {
        grid-template-columns: 1fr;
    }
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--medium-gray) 0%, var(--dark-gray-bg) 100%);
    color: var(--light-silver);
    text-align: center;
    padding: 2rem 0;
    border-top: 2px solid rgba(113, 128, 150, 0.2);
}

.footer-admin-wrap {
    margin-top: 0.75rem;
}

.btn-footer-admin {
    background: transparent;
    border: none;
    color: rgba(100, 116, 139, 0.4);
    font-size: 1.35rem;
    line-height: 1;
    padding: 0.2rem 0.6rem;
    cursor: pointer;
    font-family: inherit;
    border-radius: 4px;
}

.btn-footer-admin:hover,
.btn-footer-admin:focus-visible {
    color: var(--medium-silver);
    outline: none;
}

.btn-footer-admin:focus-visible {
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.35);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 60px;
        flex-direction: column;
        background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(243, 244, 246, 0.98) 100%);
        backdrop-filter: blur(15px);
        width: 100%;
        text-align: center;
        transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 0 10px 30px rgba(15, 23, 42, 0.12);
        padding: 1rem;
        gap: 0.5rem;
        border-radius: 0;
        border-top: 1px solid rgba(113, 128, 150, 0.2);
    }

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

    .nav-menu li {
        margin: 0;
        width: 100%;
    }

    .nav-link {
        width: 100%;
        text-align: center;
        border-radius: 0;
        border-bottom: none;
    }
    
    .nav-link.active {
        border-bottom: 2px solid var(--medium-silver);
    }

    .hero {
        background-attachment: scroll;
    }

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

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .products-grid,
    .services-content {
        grid-template-columns: 1fr;
    }
}