/* ============================================
   J C BROTHERS LIMITED - Professional Electrical Installation
   Complete CSS Stylesheet
   ============================================ */

/* CSS Variables */
:root {
    --primary: #0057A3;
    --primary-dark: #003d75;
    --primary-light: #1a7fd4;
    --secondary: #E8A838;
    --secondary-dark: #c9942a;
    --dark: #2D3748;
    --dark-light: #4A5568;
    --text: #1A202C;
    --text-light: #4A5568;
    --text-muted: #718096;
    --white: #FFFFFF;
    --gray-50: #F7FAFC;
    --gray-100: #EDF2F7;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E0;
    --gray-400: #A0AEC0;
    --gray-500: #718096;
    --gray-600: #4A5568;
    --gray-700: #2D3748;
    --gray-800: #1A202C;
    --gray-900: #171923;
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
    --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0,0,0,0.25);
    --transition: all 0.3s ease;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    --max-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--text);
    line-height: 1.6;
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul, ol {
    list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p {
    color: var(--text-light);
    margin-bottom: 1rem;
}

/* Container */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.container-narrow {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary);
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--primary);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.logo-text {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.02em;
}

.logo-text span {
    color: var(--secondary);
}

/* Navigation */
.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0;
    list-style: none;
}

.nav-links > li {
    position: relative;
}

.nav-links a {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--text);
    font-weight: 500;
    font-size: 0.9rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
    background: var(--gray-50);
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    cursor: pointer;
}

.dropdown-toggle::after {
    content: '▼';
    font-size: 0.6rem;
    margin-left: 0.25rem;
    transition: var(--transition);
}

.dropdown:hover .dropdown-toggle::after {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: 0.5rem 0;
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 1001;
    border: 1px solid var(--gray-200);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    display: block;
    padding: 0.6rem 1.25rem;
    color: var(--text);
    font-size: 0.85rem;
    font-weight: 500;
    white-space: nowrap;
    transition: var(--transition);
}

.dropdown-menu a:hover {
    background: var(--gray-50);
    color: var(--primary);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    flex-direction: column;
    gap: 4px;
    z-index: 1002;
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    transition: var(--transition);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: var(--border-radius);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(0, 87, 163, 0.3);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 87, 163, 0.4);
}

.btn-secondary {
    background: var(--secondary);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(232, 168, 56, 0.3);
}

.btn-secondary:hover {
    background: var(--secondary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(232, 168, 56, 0.4);
}

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

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

.btn-outline-dark {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

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

.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1rem;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 87, 163, 0.85) 0%, rgba(26, 32, 44, 0.75) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 800px;
    padding: 4rem 1.5rem;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 1.25rem;
    line-height: 1.15;
    color: var(--white);
}

.hero h1 span {
    color: var(--secondary);
}

.hero p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    margin-bottom: 2rem;
    opacity: 0.9;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-trust {
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 0.85rem;
    opacity: 0.8;
    color: rgba(255, 255, 255, 0.8);
}

.hero-trust i {
    margin-right: 0.5rem;
    color: var(--secondary);
}

/* ============================================
   SECTION STYLES
   ============================================ */
.section {
    padding: 5rem 0;
}

.section-light {
    background: var(--white);
}

.section-dark {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
}

.section-dark h2,
.section-dark h3,
.section-dark p {
    color: var(--white);
}

.section-gray {
    background: var(--gray-50);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
}

.section-header h2 {
    margin-bottom: 0.75rem;
    color: var(--text);
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.05rem;
}

.section-dark .section-header h2,
.section-dark .section-header p {
    color: var(--white);
}

/* ============================================
   SERVICE CARDS
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--gray-200);
    text-decoration: none;
    display: block;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.service-card-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
}

.service-card-content {
    padding: 1.75rem;
}

.service-card-content h3 {
    margin-bottom: 0.75rem;
    color: var(--text);
    font-size: 1.25rem;
}

.service-card-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
    line-height: 1.6;
}

.service-card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}

.service-card-link:hover {
    color: var(--primary-dark);
    gap: 0.6rem;
}

/* ============================================
   PORTFOLIO / CASE STUDIES
   ============================================ */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.portfolio-item {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    cursor: pointer;
    aspect-ratio: 4/3;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem 1.5rem 1.5rem;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: var(--white);
    transition: var(--transition);
}

.portfolio-overlay h4 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
    color: var(--white);
}

.portfolio-overlay p {
    font-size: 0.85rem;
    opacity: 0.9;
    margin: 0;
    color: rgba(255, 255, 255, 0.85);
}

/* ============================================
   FEATURES / WHY CHOOSE US
   ============================================ */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
}

.feature-item {
    text-align: center;
    padding: 2rem;
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--white);
    font-size: 1.75rem;
    box-shadow: 0 8px 20px rgba(0, 87, 163, 0.3);
}

.feature-item h3 {
    margin-bottom: 0.75rem;
    font-size: 1.2rem;
    color: var(--text);
}

.feature-item p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

/* ============================================
   ACCREDITATIONS
   ============================================ */
.accreditations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 2rem;
    align-items: center;
}

.accreditation-item {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.accreditation-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
}

.accreditation-item img {
    height: 60px;
    width: auto;
    margin: 0 auto 0.75rem;
    filter: brightness(0) invert(1);
    opacity: 0.9;
}

.accreditation-item h4 {
    font-size: 0.85rem;
    color: var(--white);
    margin: 0;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    text-align: center;
    padding: 4rem 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: rgba(232, 168, 56, 0.1);
    border-radius: 50%;
    pointer-events: none;
}

.cta-section h2 {
    color: var(--white);
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
}

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

/* ============================================
   PAGE HEADER
   ============================================ */
.page-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 4rem 0 3rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.page-header h1 {
    color: var(--white);
    margin-bottom: 0.75rem;
    position: relative;
    z-index: 1;
}

.page-header p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* ============================================
   CONTENT SECTIONS
   ============================================ */
.content-section {
    padding: 4rem 0;
}

.content-section h2 {
    margin-bottom: 1.5rem;
    color: var(--text);
}

.content-section p {
    margin-bottom: 1.25rem;
    color: var(--text-light);
    line-height: 1.7;
}

.content-section ul {
    margin: 1.5rem 0;
    padding-left: 1.5rem;
}

.content-section ul li {
    margin-bottom: 0.75rem;
    color: var(--text-light);
    position: relative;
    padding-left: 1.5rem;
}

.content-section ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary);
    font-weight: bold;
}

.content-section ol {
    margin: 1.5rem 0;
    padding-left: 1.5rem;
    counter-reset: step-counter;
}

.content-section ol li {
    margin-bottom: 1rem;
    color: var(--text-light);
    position: relative;
    padding-left: 2.5rem;
    counter-increment: step-counter;
}

.content-section ol li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    width: 28px;
    height: 28px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    top: -2px;
}

/* ============================================
   PROCESS STEPS
   ============================================ */
.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.process-step {
    text-align: center;
    padding: 2rem;
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    position: relative;
    transition: var(--transition);
}

.process-step:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.process-step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    margin: 0 auto 1rem;
    box-shadow: 0 4px 12px rgba(0, 87, 163, 0.3);
}

.process-step h4 {
    margin-bottom: 0.5rem;
    color: var(--text);
}

.process-step p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

/* ============================================
   FAQS
   ============================================ */
.faq-item {
    border-bottom: 1px solid var(--gray-200);
    margin-bottom: 0;
}

.faq-question {
    width: 100%;
    padding: 1.25rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    color: var(--text);
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--primary);
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--primary);
    transition: var(--transition);
    flex-shrink: 0;
    margin-left: 1rem;
}

.faq-item.active .faq-question::after {
    content: '−';
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding-bottom: 1.25rem;
}

.faq-answer p {
    color: var(--text-muted);
    line-height: 1.7;
    padding-right: 2rem;
    margin: 0;
}

/* ============================================
   CONTACT FORM
   ============================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contact-form {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--text);
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 87, 163, 0.1);
}

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

.contact-info {
    padding: 2rem 0;
}

.contact-info-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    align-items: flex-start;
}

.contact-info-item i {
    width: 44px;
    height: 44px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-info-item h4 {
    margin-bottom: 0.25rem;
    font-size: 1rem;
    color: var(--text);
}

.contact-info-item p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin: 0;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: 4rem 0 1.5rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand {
    max-width: 300px;
}

.footer-brand .logo-text {
    color: var(--white);
    font-size: 1.25rem;
    margin-bottom: 1rem;
    display: block;
}

.footer-brand p {
    color: var(--gray-400);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.footer h4 {
    color: var(--white);
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.footer-links li {
    margin-bottom: 0.6rem;
}

.footer-links a {
    color: var(--gray-400);
    font-size: 0.9rem;
    transition: var(--transition);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--secondary);
    transform: translateX(4px);
}

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    padding-top: 1.5rem;
    text-align: center;
    font-size: 0.85rem;
    color: var(--gray-500);
}

/* ============================================
   RENOVATION SHOWCASE (装修案例展示区)
   ============================================ */
.showcase-section {
    padding: 5rem 0;
    background: var(--gray-50);
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.showcase-item {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    aspect-ratio: 3/4;
    cursor: pointer;
    transition: var(--transition);
}

.showcase-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.showcase-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.showcase-item:hover img {
    transform: scale(1.08);
}

.showcase-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--secondary);
    color: var(--white);
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    z-index: 2;
}

.showcase-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2.5rem 1.5rem 1.5rem;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.85));
    color: var(--white);
    z-index: 1;
}

.showcase-overlay h4 {
    font-size: 1.1rem;
    margin-bottom: 0.35rem;
    color: var(--white);
}

.showcase-overlay p {
    font-size: 0.85rem;
    opacity: 0.85;
    margin: 0;
    color: rgba(255, 255, 255, 0.9);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 992px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow-lg);
        border-top: 1px solid var(--gray-200);
        gap: 0;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links > li {
        width: 100%;
    }

    .nav-links a {
        padding: 0.75rem 1rem;
        border-bottom: 1px solid var(--gray-100);
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        padding-left: 1rem;
        display: none;
    }

    .dropdown.active .dropdown-menu {
        display: block;
    }

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

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

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

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 280px;
    }
}

@media (max-width: 768px) {
    .services-grid,
    .features-grid,
    .portfolio-grid,
    .showcase-grid {
        grid-template-columns: 1fr;
    }

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

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

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

    .section {
        padding: 3rem 0;
    }

    .hero {
        min-height: 500px;
    }

    .hero-content {
        padding: 3rem 1rem;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

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

.animate-fade-in {
    animation: fadeInUp 0.6s ease forwards;
}

/* Image placeholder for loading */
.img-placeholder {
    background: linear-gradient(135deg, var(--gray-200) 0%, var(--gray-300) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    font-size: 0.85rem;
}