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

:root {
    --primary-color: #87BCD4;
    --primary-dark: #6ba3c0;
    --white: #ffffff;
    --gray-800: #343a40;
    --gray-900: #212529;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--white) 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    z-index: 1102;
}

.logo-img {
    height: 45px;
    width: 45px;
    object-fit: contain;
    border-radius: 8px;
}

.logo span {
    font-size: 1.3rem;
    font-weight: 700;
}

/* Desktop Navigation - Visible on desktop only */
.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--gray-800);
    transition: all 0.3s ease;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    position: relative;
    pointer-events: auto;
    cursor: pointer;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 1rem;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: var(--primary-color);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: calc(100% - 2rem);
}

.nav-buttons {
    display: flex;
    gap: 1rem;
}

.nav-btn-login,
.nav-btn-register {
    padding: 0.6rem 1.8rem;
    border-radius: 25px;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    display: inline-block;
    pointer-events: auto;
}

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

.nav-btn-login:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.nav-btn-register {
    background: var(--primary-color);
    color: white;
}

.nav-btn-register:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(135, 188, 212, 0.4);
}

/* Menu Toggle Button - Visible only on mobile */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.6rem;
    color: var(--primary-color);
    padding: 8px;
    border-radius: 8px;
    transition: all 0.3s ease;
    z-index: 1102;
}

.menu-toggle:hover {
    background: rgba(135, 188, 212, 0.1);
    transform: scale(1.05);
}

/* Mobile Menu - Hidden by default, shown on mobile */
.mobile-menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 280px;
    height: 100vh;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    box-shadow: 8px 0 30px rgba(0,0,0,0.15);
    transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1101;
    display: flex;
    flex-direction: column;
    padding: 5rem 0 2rem 0;
    gap: 0;
    overflow-y: auto;
    visibility: visible;
}

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

.mobile-menu a {
    text-decoration: none;
    color: var(--gray-900);
    font-weight: 600;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid rgba(135,188,212,0.15);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1rem;
    cursor: pointer;
    pointer-events: auto;
}

.mobile-menu a i {
    width: 24px;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.mobile-menu a:hover,
.mobile-menu a.active {
    color: var(--primary-color);
    background: rgba(135,188,212,0.1);
    padding-left: 2rem;
}

/* Mobile Menu Header */
.mobile-menu-header {
    padding: 0 1.5rem 1.5rem;
    border-bottom: 2px solid rgba(135,188,212,0.2);
    margin-bottom: 1rem;
}

.mobile-menu-header .logo {
    justify-content: center;
    margin-bottom: 1rem;
}

.mobile-menu-header .welcome-text {
    font-size: 0.9rem;
    color: #666;
    text-align: center;
}

/* Mobile Menu Buttons */
.mobile-menu-buttons {
    padding: 1rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin-top: 1rem;
}

.mobile-menu-buttons .nav-btn-login,
.mobile-menu-buttons .nav-btn-register {
    text-align: center;
    padding: 0.8rem;
    width: 100%;
    display: block;
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1100;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Rest of your existing CSS for hero, about, products, footer remains the same */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 6rem 2rem 4rem;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s ease;
}

.highlight {
    color: var(--primary-color);
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: var(--gray-800);
    line-height: 1.6;
}

.btn {
    padding: 0.75rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s;
    font-weight: 600;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(135,188,212,0.4);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

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

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 0.8s ease;
}

.love-shape {
    position: relative;
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #ff6b6b, #ff4757);
    transform: rotate(45deg);
    border-radius: 50% 50% 0 50%;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
    overflow: hidden;
    transition: transform 0.3s ease;
}

.love-shape:hover {
    transform: rotate(45deg) scale(1.02);
}

.love-shape::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(255,255,255,0.2);
    border-radius: 50% 50% 0 50%;
}

.stationery-img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-45deg);
    width: 80%;
    height: auto;
    object-fit: contain;
}

.about-section {
    padding: 5rem 2rem;
    background: white;
}

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

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text h3 {
    color: var(--primary-color);
    margin: 1rem 0 0.5rem;
}

.about-text p {
    line-height: 1.6;
    color: var(--gray-800);
}

.btn-readmore {
    display: inline-block;
    margin-top: 1rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s;
}

.btn-readmore:hover {
    color: var(--primary-dark);
    transform: translateX(5px);
}

.about-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.about-image img:hover {
    transform: scale(1.02);
}

.products-section {
    padding: 5rem 2rem;
    background: #f8f9fa;
}

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

.product-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}

.product-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.product-card h3 {
    margin-bottom: 0.5rem;
    color: var(--gray-900);
}

.product-card p {
    color: var(--gray-800);
    line-height: 1.5;
}

.btn-small {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.5rem 1rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s;
}

.btn-small:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.contact-preview {
    padding: 5rem 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    text-align: center;
}

.contact-preview h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
}

.contact-details p {
    margin: 1rem 0;
    font-size: 1.1rem;
}

.contact-details i {
    margin-right: 10px;
    font-size: 1.2rem;
}

.footer {
    background: var(--gray-900);
    color: #ccc;
    padding: 3rem 2rem 1rem;
}

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

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

.footer-section h3,
.footer-section h4 {
    color: white;
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-credit {
    color: #ccc;
    font-size: 0.95rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    color: #ccc;
    font-size: 1.2rem;
    transition: all 0.3s;
}

.social-links a:hover {
    color: var(--primary-color);
    transform: translateY(-2px);
}

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

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

#backToTop {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s;
    z-index: 999;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

#backToTop:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.3);
}

/* Responsive Design */
@media (max-width: 768px) {
    /* Hide desktop navigation on mobile */
    .nav-links,
    .nav-buttons {
        display: none !important;
    }

    /* Show menu toggle on mobile */
    .menu-toggle {
        display: flex !important;
        align-items: center;
        justify-content: center;
    }
    
    .nav-container {
        padding: 0.8rem 1rem;
    }
    
    .hero {
        padding: 5rem 1.5rem 2rem;
        min-height: auto;
    }
    
    .hero-container,
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .love-shape {
        width: 280px;
        height: 280px;
        margin: 0 auto;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .about-section {
        padding: 3rem 1.5rem;
    }
    
    .products-section {
        padding: 3rem 1.5rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .contact-preview {
        padding: 3rem 1.5rem;
    }
    
    .mobile-menu {
        width: 85%;
        max-width: 320px;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0.7rem 0.8rem;
    }
    
    .logo span {
        font-size: 1rem;
    }
    
    .logo-img {
        height: 35px;
        width: 35px;
    }
    
    .menu-toggle {
        font-size: 1.4rem;
        padding: 6px;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .love-shape {
        width: 220px;
        height: 220px;
    }
    
    .mobile-menu {
        width: 100%;
        max-width: 100%;
    }
}