/* Import Google Fonts for luxury brand look */
@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;600;700;900&family=Montserrat:wght@300;400;500;600;700&display=swap');

:root {
    --bg-primary: #030A16;
    --bg-secondary: #0A1C36;
    --bg-tertiary: #10274A;
    --text-primary: #FFFFFF;
    --text-secondary: #A0B3CE;
    --gold-primary: #E5B54F;
    --gold-secondary: #C59733;
    --gold-light: #F7D488;
    --border-color: rgba(229, 181, 79, 0.2);
    --border-hover: rgba(229, 181, 79, 0.5);
    --glass-bg: rgba(10, 28, 54, 0.7);
    --glass-border: rgba(255, 255, 255, 0.08);
    --font-heading: 'Cinzel', serif;
    --font-body: 'Montserrat', sans-serif;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-primary);
    background-image: radial-gradient(circle at 50% 0%, #0D2040 0%, #030A16 70%);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

header.scrolled {
    background: rgba(3, 10, 22, 0.95);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 15px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
}

.logo-img {
    height: 50px;
    width: auto;
    border-radius: 5px;
    /* Invert colors of logo-cat (black on white) to white on transparent/dark background */
    filter: invert(1) brightness(1.2) contrast(1.1);
    mix-blend-mode: lighten;
    object-fit: contain;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 2px;
    background: linear-gradient(135deg, var(--gold-light), var(--gold-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 30px;
}

.nav-item {
    position: relative;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 18px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 10px 0;
    transition: var(--transition);
}

.nav-link:hover, .nav-item.active .nav-link {
    color: var(--gold-primary);
    text-shadow: 0 0 8px rgba(229, 181, 79, 0.4);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--gold-primary), var(--gold-secondary));
    transition: var(--transition);
}

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

/* Dropdown Submenu */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: rgba(10, 28, 54, 0.95);
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border-radius: 6px;
    padding: 15px 0;
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.nav-item:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-item {
    list-style: none;
}

.dropdown-link {
    display: block;
    padding: 10px 25px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
}

.dropdown-link:hover {
    color: var(--gold-primary);
    background: rgba(229, 181, 79, 0.08);
    padding-left: 30px;
}

/* Header Button */
.header-btn {
    border: 1px solid var(--gold-primary);
    padding: 10px 22px;
    border-radius: 30px;
    text-decoration: none;
    color: var(--gold-primary);
    text-transform: uppercase;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 1.5px;
    transition: var(--transition);
    background: transparent;
}

.header-btn:hover {
    background: linear-gradient(135deg, var(--gold-primary), var(--gold-secondary));
    color: var(--bg-primary);
    box-shadow: 0 0 15px rgba(229, 181, 79, 0.4);
    transform: translateY(-2px);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 24px;
    cursor: pointer;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: url('../assets/banner-silk.jpg') no-repeat center center/cover;
    padding-top: 100px;
    padding-bottom: 140px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(3, 10, 22, 0.4) 0%, rgba(3, 10, 22, 0.8) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    width: 100%;
    padding: 0 40px;
    text-align: left;
}

.hero-subtitle {
    font-size: 18px;
    text-transform: uppercase;
    letter-spacing: 4px;
    color: var(--gold-primary);
    margin-bottom: 20px;
    font-weight: 600;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 52px;
    line-height: 1.2;
    font-weight: 700;
    margin-bottom: 30px;
    background: linear-gradient(to right, #ffffff, var(--gold-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    max-width: 800px;
}

.hero-description {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    gap: 20px;
}

.btn {
    display: inline-block;
    padding: 15px 35px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-decoration: none;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--gold-primary), var(--gold-secondary));
    color: var(--bg-primary);
    box-shadow: 0 4px 15px rgba(229, 181, 79, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 6px 25px rgba(229, 181, 79, 0.5);
    transform: translateY(-2px);
}

.btn-secondary {
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    border-color: var(--gold-primary);
    background: rgba(229, 181, 79, 0.05);
    transform: translateY(-2px);
}

/* Gold Bottom Info Bar (Infinite scrolling marquee) */
.hero-bottom-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(90deg, #D4AF37 0%, #AA7C11 100%);
    z-index: 10;
    padding: 15px 0;
    color: #030A16;
    overflow: hidden;
}

.bottom-bar-container {
    display: flex;
    width: max-content;
    animation: marquee 25s linear infinite;
}

.bottom-bar-container:hover {
    animation-play-state: paused;
}

.bottom-bar-track {
    display: flex;
    align-items: center;
    gap: 80px;
    padding-right: 80px;
}

.bottom-bar-item {
    display: flex;
    align-items: center;
    gap: 12px;
    white-space: nowrap;
}

.bottom-bar-icon {
    font-size: 22px;
}

.bottom-bar-text {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

@keyframes marquee {
    0% {
        transform: translate3d(0, 0, 0);
    }
    100% {
        transform: translate3d(-50%, 0, 0);
    }
}

/* General Layout Sections */
.section {
    padding: 100px 40px;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 70px;
}

.section-subtitle {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--gold-primary);
    font-weight: 600;
    margin-bottom: 15px;
    display: block;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 42px;
    color: var(--text-primary);
}

.section-title span {
    background: linear-gradient(135deg, var(--gold-light), var(--gold-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

#products-catalog.grid-3 {
    gap: 50px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

/* Feature/Value Card */
.value-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 40px;
    border-radius: 8px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold-primary), transparent);
    transform: scaleX(0);
    transition: var(--transition);
}

.value-card:hover {
    border-color: var(--border-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.value-card:hover::before {
    transform: scaleX(1);
}

.value-icon {
    font-size: 40px;
    color: var(--gold-primary);
    margin-bottom: 25px;
}

.value-title {
    font-family: var(--font-heading);
    font-size: 22px;
    margin-bottom: 15px;
}

.value-desc {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Brand Emblem Section (The gold badge placed nicely) */
.brand-emblem-section {
    background: radial-gradient(circle at 100% 50%, rgba(229, 181, 79, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 0% 50%, rgba(13, 32, 64, 0.4) 0%, transparent 60%);
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.emblem-img-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.emblem-img-wrapper::after {
    content: '';
    position: absolute;
    width: 250px;
    height: 250px;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    animation: rotateEmblem 20s linear infinite;
    z-index: 1;
}

@keyframes rotateEmblem {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.emblem-img {
    max-width: 380px;
    width: 100%;
    height: auto;
    border-radius: 10px;
    border: 1px solid rgba(229, 181, 79, 0.4);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
    position: relative;
    z-index: 2;
}

.brand-story-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.brand-story-title {
    font-family: var(--font-heading);
    font-size: 36px;
    margin-bottom: 20px;
    line-height: 1.3;
}

.brand-story-text {
    color: var(--text-secondary);
    margin-bottom: 30px;
    font-size: 16px;
}

/* Products Section Styles */
.product-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
}

.product-card:hover {
    border-color: var(--border-color);
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.product-img-box {
    position: relative;
    height: 280px;
    background: rgba(255, 255, 255, 0.02);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.product-card:hover .product-img {
    transform: scale(1.08);
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(3, 10, 22, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

.product-info {
    padding: 25px;
}

.product-cat {
    font-size: 11px;
    color: var(--gold-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
    font-weight: 600;
}

.product-name {
    font-family: var(--font-heading);
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.product-spec {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.product-price {
    font-size: 16px;
    font-weight: 700;
    color: var(--gold-primary);
}

/* Category Filter Bar */
.filter-bar {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    padding: 10px 25px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.filter-btn:hover, .filter-btn.active {
    border-color: var(--gold-primary);
    color: var(--gold-primary);
    background: rgba(229, 181, 79, 0.05);
}

/* Inquiry Forms */
.inquiry-wrapper {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 50px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.form-title {
    font-family: var(--font-heading);
    font-size: 30px;
    margin-bottom: 15px;
    text-align: center;
}

.form-subtitle {
    color: var(--text-secondary);
    text-align: center;
    font-size: 14px;
    margin-bottom: 40px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group.full-width {
    grid-column: span 2;
}

.form-label {
    display: block;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--gold-primary);
    margin-bottom: 8px;
    font-weight: 600;
}

.form-input {
    width: 100%;
    background: rgba(3, 10, 22, 0.6);
    border: 1px solid var(--glass-border);
    padding: 15px 20px;
    border-radius: 4px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 14px;
    transition: var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: var(--gold-primary);
    box-shadow: 0 0 10px rgba(229, 181, 79, 0.15);
}

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

/* Footer Section */
footer {
    background: #020711;
    border-top: 1px solid var(--border-color);
    padding: 80px 40px 30px;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 2fr;
    gap: 60px;
    margin-bottom: 60px;
}

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

.footer-desc {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 25px;
    max-width: 320px;
}

.footer-socials {
    display: flex;
    gap: 15px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    color: var(--gold-primary);
    border-color: var(--gold-primary);
    background: rgba(229, 181, 79, 0.05);
    transform: translateY(-3px);
}

.footer-title {
    font-family: var(--font-heading);
    font-size: 18px;
    margin-bottom: 25px;
    letter-spacing: 1px;
    color: var(--text-primary);
}

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

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

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

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

.footer-info-item {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    font-size: 14px;
    color: var(--text-secondary);
}

.footer-info-icon {
    color: var(--gold-primary);
    font-size: 18px;
    flex-shrink: 0;
}

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    padding-top: 30px;
    border-top: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--text-secondary);
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom-links {
    display: flex;
    gap: 25px;
}

.footer-bottom-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-bottom-links a:hover {
    color: var(--gold-primary);
}

/* Page Banner/Hero component for Inner Pages */
.page-banner {
    position: relative;
    padding: 160px 40px 100px;
    background: linear-gradient(to bottom, rgba(3, 10, 22, 0.9), rgba(3, 10, 22, 0.6)), url('../assets/banner-silk.jpg') no-repeat center center/cover;
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

.page-banner-title {
    font-family: var(--font-heading);
    font-size: 40px;
    margin-bottom: 15px;
    background: linear-gradient(135deg, #FFF, var(--gold-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.breadcrumbs {
    display: flex;
    justify-content: center;
    gap: 10px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-secondary);
}

.breadcrumbs a {
    color: var(--gold-primary);
    text-decoration: none;
}

/* QC & OEM layout features */
.feature-row {
    display: flex;
    gap: 60px;
    margin-bottom: 80px;
    align-items: center;
}

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

.feature-img-box {
    flex: 1;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
}

.feature-img-box img {
    width: 100%;
    height: auto;
    display: block;
}

.feature-info-box {
    flex: 1;
}

/* Interactive Accordions for FAQ */
.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 6px;
    margin-bottom: 15px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-question {
    padding: 20px 30px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 600;
}

.faq-answer {
    padding: 0 30px;
    max-height: 0;
    overflow: hidden;
    color: var(--text-secondary);
    font-size: 14px;
    transition: all 0.3s ease-out;
}

.faq-item.active {
    border-color: var(--border-color);
}

.faq-item.active .faq-answer {
    padding: 10px 30px 30px;
    max-height: 200px;
}

.faq-icon {
    font-size: 18px;
    color: var(--gold-primary);
    transition: var(--transition);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

/* Blog layouts */
.blog-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
}

.blog-card:hover {
    border-color: var(--border-color);
    transform: translateY(-5px);
}

.blog-img-box {
    height: 220px;
    background: rgba(255, 255, 255, 0.02);
}

.blog-info {
    padding: 25px;
}

.blog-date {
    font-size: 12px;
    color: var(--gold-primary);
    margin-bottom: 10px;
    display: block;
}

.blog-title {
    font-family: var(--font-heading);
    font-size: 18px;
    margin-bottom: 15px;
    line-height: 1.4;
}

.blog-excerpt {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 20px;
}

.blog-link {
    color: var(--gold-primary);
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Contact Details Page columns */
.contact-detail-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
}

.contact-info-list {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 40px;
}

/* Toast Notification styling */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
    border: 1px solid var(--gold-primary);
    color: var(--text-primary);
    padding: 15px 30px;
    border-radius: 4px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    z-index: 2000;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    display: flex;
    align-items: center;
    gap: 15px;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast-icon {
    color: var(--gold-primary);
    font-size: 20px;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-container {
        grid-template-columns: repeat(2, 1fr);
    }
    .hero-title {
        font-size: 52px;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(3, 10, 22, 0.98);
        flex-direction: column;
        align-items: center;
        padding-top: 40px;
        transition: 0.3s ease;
        overflow-y: auto;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-item {
        width: 100%;
        text-align: center;
    }
    
    .nav-link {
        display: block;
        padding: 15px 0;
        font-size: 18px;
    }
    
    .dropdown-menu {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        background: transparent;
        border: none;
        max-height: 0;
        overflow: hidden;
        padding: 0;
        transition: max-height 0.3s ease;
    }
    
    .nav-item.open .dropdown-menu {
        max-height: 500px;
    }
    
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .contact-detail-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-bottom-bar {
        padding: 12px 0;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .form-group.full-width {
        grid-column: auto;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}