:root {
    --primary-color: #5EC2E1; /* Fresh Aqua Blue */
    --secondary-color: #F8FCFF; /* Ultra Light Blue */
    --accent-color: #3A9FBD;
    --accent-warm: #FFB84D;
    --text-color: #2C3E50;
    --text-light: #8594A5;
    --background-color: #FDFEFF;
    --card-shadow: 0 8px 24px rgba(94, 194, 225, 0.08);
    --card-hover-shadow: 0 16px 48px rgba(94, 194, 225, 0.15);
    --border-radius: 16px;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #FDFEFF 0%, #F0F9FF 100%);
    color: var(--text-color);
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 0;
}

/* Header & Navigation */
header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 20px 0;
    border-bottom: 1px solid rgba(94, 194, 225, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.02);
}

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

.logo {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.logo h1 {
    font-weight: 700;
    letter-spacing: -0.5px;
    margin: 0;
    font-size: 1.8rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.brand-banu {
    color: var(--primary-color);
}

.brand-amp {
    color: var(--accent-warm);
    font-weight: 400;
}

.brand-tilly {
    color: var(--accent-color);
}

.tagline {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-light);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin: 0;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

nav li {
    margin-left: 30px;
}

.tab-link {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    padding: 10px 5px;
    transition: var(--transition);
    position: relative;
    font-size: 0.95rem;
}

.tab-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-warm));
    transform: translateX(-50%);
    transition: var(--transition);
    border-radius: 3px 3px 0 0;
}

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

.tab-link:hover, .tab-link.active {
    color: var(--primary-color);
}

/* Tab Management */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 100px 40px;
    background: linear-gradient(135deg, rgba(94, 194, 225, 0.05) 0%, rgba(255, 255, 255, 0.8) 100%);
    border-radius: var(--border-radius);
    margin-bottom: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(94, 194, 225, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-badge {
    display: inline-block;
    background: linear-gradient(135deg, #E8F8FC 0%, #FFFFFF 100%);
    color: var(--primary-color);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
    border: 1px solid rgba(94, 194, 225, 0.2);
    box-shadow: var(--card-shadow);
}

.hero h2 {
    font-size: 3.5rem;
    margin: 20px 0;
    color: var(--text-color);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
    padding-top: 40px;
    border-top: 1px solid rgba(94, 194, 225, 0.15);
    max-width: 800px;
    margin: 0 auto;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.stat-item strong {
    font-size: 2rem;
    color: var(--primary-color);
    font-weight: 700;
}

.stat-item span {
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 500;
}

/* Catalogue Styles */
.section-titling {
    text-align: center;
    margin-bottom: 60px;
}

.section-titling h2 {
    font-size: 2.8rem;
    margin-bottom: 15px;
    font-weight: 700;
    color: var(--text-color);
    letter-spacing: -0.5px;
}

.subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    font-weight: 400;
}

/* Filter Styles */
.filter-container {
    display: flex;
    align-items: center;
    gap: 20px;
    margin: 30px 0;
    padding: 20px;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    border: 1px solid rgba(94, 194, 225, 0.1);
    flex-wrap: wrap;
}

.filter-label {
    font-weight: 600;
    color: var(--text-color);
    font-size: 1rem;
}

.filter-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 24px;
    background: #fff;
    border: 2px solid rgba(94, 194, 225, 0.2);
    border-radius: 50px;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Poppins', sans-serif;
}

.filter-btn:hover {
    background: rgba(94, 194, 225, 0.08);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(94, 194, 225, 0.3);
}

.filter-btn.active:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(94, 194, 225, 0.4);
}

.no-results {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-light);
    font-size: 1.1rem;
}

.catalogue-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 35px;
    padding: 20px 0;
}

.catalogue-item {
    background: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
    padding: 25px;
    text-align: left;
    transition: var(--transition);
    border: 1px solid rgba(94, 194, 225, 0.08);
    position: relative;
    overflow: hidden;
}

.catalogue-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-warm));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.catalogue-item:hover::before {
    transform: scaleX(1);
}

.catalogue-item:hover {
    transform: translateY(-12px);
    box-shadow: var(--card-hover-shadow);
    border-color: rgba(94, 194, 225, 0.2);
}

.item-image {
    width: 100%;
    height: 240px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    background: linear-gradient(135deg, #F0F9FF 0%, #FFFFFF 100%);
    overflow: hidden;
    position: relative;
}

.item-image::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, rgba(94, 194, 225, 0.05) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.item-image img {
    max-width: 85%;
    max-height: 85%;
    object-fit: contain;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.05));
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

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

.item-info {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.item-info h3 {
    margin-top: 0;
    margin-bottom: 8px;
    font-size: 1.3rem;
    color: var(--text-color);
    font-weight: 600;
}

.price {
    font-weight: 700;
    font-size: 1.4rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.description {
    font-size: 0.95rem;
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.6;
    height: 3.2em;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-clamp: 2;
}

.item-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 0.85rem;
    margin-bottom: 15px;
    margin-top: 15px;
}

.item-specs span {
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.item-specs strong {
    color: var(--text-light);
    font-weight: 500;
    font-size: 0.75rem;
}

.pack-info {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 12px;
    font-weight: 500;
}

.spec-badge {
    display: inline-block;
    padding: 6px 14px;
    background: linear-gradient(135deg, rgba(94, 194, 225, 0.1), rgba(94, 194, 225, 0.05));
    border: 1px solid rgba(94, 194, 225, 0.15);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-color);
    font-weight: 500;
    margin-right: 8px;
    margin-bottom: 8px;
}

.ply-badge {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    border: none;
}

.product-code {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 12px;
    margin-bottom: 15px;
    padding-top: 12px;
    border-top: 1px solid rgba(94, 194, 225, 0.1);
}

.product-code strong {
    color: var(--text-color);
    font-weight: 600;
}

.secondary-btn {
    border: 2px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    font-size: 0.9rem;
    padding: 10px 0;
    width: 100%;
    margin-top: auto;
}

.secondary-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(94, 194, 225, 0.25);
}

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

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

/* Global Button */
.btn {
    padding: 14px 32px;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    font-size: 0.95rem;
    box-shadow: var(--card-shadow);
}

.btn:active {
    transform: scale(0.98);
}

.primary-btn {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: #fff;
}

.primary-btn:hover {
    box-shadow: 0 12px 32px rgba(94, 194, 225, 0.35);
    transform: translateY(-3px);
}

.full-width {
    width: 100%;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.about-card {
    background: #fff;
    padding: 35px 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(94, 194, 225, 0.08);
}

.about-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--card-hover-shadow);
}

.about-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.about-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-color);
    font-weight: 600;
}

.about-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 50px;
    margin-top: 40px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.form-input {
    padding: 15px 20px;
    border: 2px solid rgba(94, 194, 225, 0.15);
    border-radius: 12px;
    font-size: 0.95rem;
    font-family: 'Poppins', sans-serif;
    transition: var(--transition);
    background: #fff;
    color: var(--text-color);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(94, 194, 225, 0.1);
}

.form-input::placeholder {
    color: var(--text-light);
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-card {
    background: linear-gradient(135deg, #F0F9FF 0%, #FFFFFF 100%);
    padding: 25px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(94, 194, 225, 0.1);
}

.info-card h4 {
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 1.1rem;
    color: var(--text-color);
}

.info-card p {
    margin: 0;
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Footer & Pill Shapes */
.glass-footer {
    position: relative;
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-top: 1px solid rgba(255, 255, 255, 0.3);
    padding: 60px 0 20px;
    margin-top: 100px;
    border-radius: 40px 40px 0 0;
    box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.05);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 40px;
}

.pill-box {
    background: rgba(255, 255, 255, 0.7);
    border-radius: 50px;
    padding: 15px 25px;
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
}

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

.logo-pill {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: -0.5px;
    display: block;
    margin-bottom: 5px;
}

.footer-brand p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin: 0;
}

.footer-links {
    display: flex;
    gap: 60px;
}

.link-group h4 {
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 1.1rem;
    color: var(--accent-color);
}

.link-group a {
    display: block;
    text-decoration: none;
    color: var(--text-light);
    margin-bottom: 12px;
    font-size: 0.95rem;
    transition: var(--transition);
}

.link-group a:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

.footer-newsletter {
    display: flex;
    align-items: center;
    gap: 10px;
    height: fit-content;
}

.pill-input {
    border: none;
    background: transparent;
    padding: 10px;
    border-radius: 20px;
    outline: none;
    width: 200px;
    font-size: 0.9rem;
}

.pill-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.pill-btn:hover {
    background: var(--accent-color);
    box-shadow: 0 4px 12px rgba(111, 190, 242, 0.3);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.footer-bottom p {
    font-size: 0.85rem;
    color: #aaa;
}

@media (max-width: 992px) {
    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .footer-links {
        justify-content: center;
        width: 100%;
    }
    .footer-brand {
        max-width: 100%;
        width: 100%;
    }
    .catalogue-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    .about-content {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    .contact-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .hero h2 {
        font-size: 2.8rem;
    }
}

/* Mobile Nav Enhancements */
@media (max-width: 768px) {
    header {
        padding: 12px 0;
        box-shadow: 0 2px 16px rgba(94, 194, 225, 0.12);
    }
    
    header .container {
        flex-direction: column;
        gap: 12px;
    }
    
    .logo {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 2px;
    }
    
    .logo h1 {
        font-size: 1.6rem;
        letter-spacing: -0.3px;
    }
    
    .brand-banu, .brand-tilly {
        font-size: 1.6rem;
    }
    
    .brand-amp {
        font-size: 1.4rem;
    }
    
    .tagline {
        font-size: 0.65rem;
        letter-spacing: 3px;
        margin-top: -2px;
    }
    
    nav {
        width: 100%;
    }
    
    nav ul {
        margin: 0;
        padding: 8px 0;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        width: 100%;
    }
    
    nav li {
        margin: 0;
        display: flex;
        justify-content: center;
    }
    
    .tab-link {
        font-size: 0.9rem;
        padding: 10px 16px;
        background: rgba(94, 194, 225, 0.05);
        border-radius: 8px;
        width: 100%;
        text-align: center;
        transition: var(--transition);
    }
    
    .tab-link:hover, .tab-link.active {
        background: rgba(94, 194, 225, 0.12);
    }
    
    .tab-link::after {
        display: none;
    }
    
    .container {
        width: 92%;
        padding: 15px 0;
    }
    
    main.container {
        width: 95%;
    }
    
    .hero {
        padding: 50px 20px;
        margin-bottom: 40px;
    }
    
    .hero h2 {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    .stat-item strong {
        font-size: 1.6rem;
    }
    
    .stat-item span {
        font-size: 0.8rem;
    }
    
    .section-titling h2 {
        font-size: 2rem;
    }
    
    .section-titling {
        margin-bottom: 20px;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .catalogue-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .item-image {
        height: 220px;
    }
    
    .item-specs {
        grid-template-columns: 1fr;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
    
    .filter-container {
        flex-direction: column;
        gap: 12px;
        padding: 16px;
        align-items: flex-start;
    }
    
    .filter-label {
        font-size: 0.95rem;
        width: 100%;
    }
    
    .filter-buttons {
        width: 100%;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    
    .filter-btn {
        padding: 10px 16px;
        font-size: 0.85rem;
        text-align: center;
        white-space: nowrap;
    }
}

@media (max-width: 576px) {
    header {
        padding: 10px 0;
    }
    
    .logo h1 {
        font-size: 1.4rem;
    }
    
    .brand-banu, .brand-tilly {
        font-size: 1.4rem;
    }
    
    .brand-amp {
        font-size: 1.2rem;
    }
    
    .tagline {
        font-size: 0.6rem;
        letter-spacing: 2.5px;
    }
    
    nav ul {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    
    .tab-link {
        font-size: 0.85rem;
        padding: 9px 12px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 30px;
    }
    .footer-newsletter {
        flex-direction: column;
        width: 100%;
        border-radius: 20px;
    }
    .pill-input {
        width: 100%;
        text-align: center;
    }
    .pill-btn {
        width: 100%;
    }
    
    .hero h2 {
        font-size: 1.75rem;
    }
    
    .hero-badge {
        font-size: 0.8rem;
        padding: 6px 16px;
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .filter-container {
        padding: 12px;
        gap: 10px;
    }
    
    .filter-label {
        font-size: 0.9rem;
    }
    
    .filter-buttons {
        gap: 6px;
        grid-template-columns: repeat(2, 1fr);
    }
    
    .filter-btn {
        padding: 8px 12px;
        font-size: 0.8rem;
    }
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    display: none;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 1001;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.back-to-top:hover {
    background-color: var(--accent-color);
    transform: scale(1.1);
}