/* ============================
   GLOBAL STYLES
   ============================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', sans-serif;
    color: #1a1a1a;
    background: linear-gradient(135deg, #e8f4f8 0%, #f0f8fc 100%);
    min-height: 100vh;
    line-height: 1.6;
}

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

/* ============================
   NAVIGATION
   ============================ */
.navbar {
    border-bottom: none;
    padding: 20px 0;
    position: sticky;
    top: 0;
    background: linear-gradient(90deg, rgba(176, 224, 230, 0.95) 0%, rgba(224, 240, 247, 0.95) 100%);
    z-index: 100;
    box-shadow: 0 2px 12px rgba(135, 206, 235, 0.15);
    backdrop-filter: blur(10px);
}

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

.navbar-brand h1 {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 2px;
    color: #0077be;
    text-shadow: 0 2px 4px rgba(0, 119, 190, 0.1);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 40px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: #0077be;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #00a8cc, #0077be);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

.cart-icon {
    font-size: 18px;
}

/* ============================
   HERO SECTION
   ============================ */
.hero {
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, #87ceeb 0%, #b0e0e6 50%, #e0f6ff 100%);
    margin-bottom: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    animation: float 6s ease-in-out infinite;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-content h2 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 15px;
    letter-spacing: -1px;
    color: #004e89;
    text-shadow: 0 2px 8px rgba(0, 78, 137, 0.15);
}

.hero-content p {
    font-size: 18px;
    color: #0077be;
    margin-bottom: 30px;
    letter-spacing: 0.3px;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* ============================
   BUTTONS
   ============================ */
.btn {
    padding: 12px 32px;
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    border: 1px solid transparent;
    border-radius: 4px;
}

.btn-primary {
    background: linear-gradient(135deg, #0077be 0%, #00a8cc 100%);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(0, 119, 190, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #005a94 0%, #008aaa 100%);
    box-shadow: 0 6px 16px rgba(0, 119, 190, 0.4);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: #0077be;
    border: 2px solid #0077be;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background: linear-gradient(135deg, rgba(0, 119, 190, 0.1) 0%, rgba(0, 168, 204, 0.1) 100%);
    border-color: #00a8cc;
    color: #0077be;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 119, 190, 0.2);
}

/* ============================
   FEATURED SECTION
   ============================ */
.featured {
    padding: 80px 0;
    background: linear-gradient(180deg, transparent 0%, rgba(224, 240, 247, 0.5) 100%);
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    letter-spacing: -0.5px;
    color: #004e89;
    text-shadow: 0 2px 4px rgba(0, 119, 190, 0.1);
}

.product-list {
    margin-bottom: 40px;
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(0, 119, 190, 0.12);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 8px 24px rgba(0, 119, 190, 0.08);
}

.list-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #004e89;
}

.list-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
}

.product-line {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 18px;
    border-radius: 12px;
    border: 1px solid rgba(0, 119, 190, 0.12);
    background: white;
    color: #004e89;
    cursor: pointer;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    text-align: left;
}

.product-line:hover,
.product-line:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 119, 190, 0.12);
    border-color: #00a8cc;
}

.list-label {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    font-weight: 600;
}

.list-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0077be, #00a8cc);
    box-shadow: 0 0 0 4px rgba(0, 119, 190, 0.08);
}

.list-price {
    color: #0077be;
    font-weight: 700;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.product-card {
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(135, 206, 235, 0.2);
    border: 1px solid rgba(135, 206, 235, 0.3);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 119, 190, 0.25);
    border-color: #00a8cc;
}

.product-image {
    width: 100%;
    aspect-ratio: 1 / 1;
    background: linear-gradient(135deg, #e0f6ff 0%, #b0e0e6 100%);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    border: 2px solid rgba(0, 168, 204, 0.2);
}

.placeholder {
    font-size: 18px;
    color: #0077be;
    font-weight: 600;
}

.product-info h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    letter-spacing: -0.3px;
    color: #004e89;
}

.price {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #0077be;
}

.description {
    font-size: 14px;
    color: #666666;
    margin-bottom: 20px;
    min-height: 40px;
}

.product-card .btn {
    align-self: flex-start;
}

/* ============================
   PRODUCT DETAILS SECTION
   ============================ */
.details {
    padding: 80px 0;
    background: rgba(255, 255, 255, 0.9);
    border-top: 1px solid rgba(0, 119, 190, 0.12);
    border-bottom: 1px solid rgba(0, 119, 190, 0.12);
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 30px;
}

.detail-card {
    background: linear-gradient(180deg, #f8fdff 0%, #ffffff 100%);
    border: 1px solid rgba(0, 119, 190, 0.12);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 10px 24px rgba(0, 119, 190, 0.08);
}

.detail-card h3 {
    font-size: 18px;
    margin-bottom: 12px;
    color: #004e89;
}

.detail-text {
    color: #166b9f;
    font-size: 14px;
    line-height: 1.75;
    margin-bottom: 14px;
}

.detail-meta {
    color: #0077be;
    font-size: 13px;
    opacity: 0.9;
}

.details-note {
    text-align: center;
    font-size: 14px;
    color: #0077be;
    max-width: 760px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ============================
   ABOUT SECTION
   ============================ */
.about {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.about-content h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 30px;
    letter-spacing: -0.5px;
    color: #004e89;
    text-shadow: 0 2px 4px rgba(0, 119, 190, 0.1);
}

.about-content p {
    font-size: 16px;
    color: #0077be;
    margin-bottom: 20px;
    line-height: 1.8;
    font-weight: 500;
}

/* ============================
   NEWSLETTER SECTION
   ============================ */
.newsletter {
    padding: 80px 0;
    text-align: center;
    background: linear-gradient(180deg, rgba(224, 240, 247, 0.5) 0%, transparent 100%);
}

.newsletter h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 15px;
    letter-spacing: -0.5px;
    color: #004e89;
    text-shadow: 0 2px 4px rgba(0, 119, 190, 0.1);
}

.newsletter > .container > p {
    font-size: 16px;
    color: #0077be;
    margin-bottom: 40px;
    font-weight: 500;
}

.newsletter-form {
    display: flex;
    gap: 10px;
    max-width: 500px;
    margin: 0 auto;
    justify-content: center;
}

.newsletter-form input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid rgba(0, 119, 190, 0.3);
    background-color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
    transition: all 0.3s ease;
    border-radius: 4px;
}

.newsletter-form input:focus {
    outline: none;
    border-color: #0077be;
    background-color: #ffffff;
    box-shadow: 0 0 0 3px rgba(0, 119, 190, 0.1);
}

.newsletter-form input::placeholder {
    color: #0077be;
    opacity: 0.6;
}

/* ============================
   FOOTER
   ============================ */
.footer {
    background: linear-gradient(135deg, #0077be 0%, #004e89 100%);
    color: #ffffff;
    padding: 60px 0 20px;
    margin-top: 80px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 20px;
    text-transform: uppercase;
    color: #e0f6ff;
}

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

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

.footer-section a {
    color: #b0e0e6;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
}

.footer-section a:hover {
    color: #ffffff;
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 12px;
    color: #b0e0e6;
}

.cart-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    margin-left: 8px;
    font-size: 12px;
    font-weight: 700;
    color: white;
    background: #0077be;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.8);
}

.hidden {
    display: none !important;
}

.cart-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.32);
    backdrop-filter: blur(3px);
    z-index: 200;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

.cart-overlay.visible {
    opacity: 1;
    pointer-events: auto;
}

.cart-drawer {
    position: fixed;
    right: 0;
    top: 0;
    height: 100vh;
    width: min(420px, 100%);
    background: white;
    box-shadow: -18px 0 60px rgba(0, 0, 0, 0.12);
    padding: 28px;
    z-index: 250;
    transform: translateX(110%);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
}

.cart-drawer.visible {
    transform: translateX(0);
}

.cart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 24px;
}

.cart-header h2 {
    font-size: 24px;
    margin-bottom: 6px;
    color: #004e89;
}

.cart-subtitle {
    font-size: 14px;
    color: #0077be;
    opacity: 0.9;
}

.cart-close {
    background: transparent;
    border: none;
    font-size: 30px;
    line-height: 1;
    color: #004e89;
    cursor: pointer;
}

.cart-items {
    flex: 1;
    display: grid;
    gap: 18px;
    overflow-y: auto;
    padding-right: 4px;
}

.cart-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    border-radius: 14px;
    padding: 16px;
    background: #f5fbff;
    border: 1px solid rgba(0, 119, 190, 0.14);
}

.cart-item-info {
    display: grid;
    gap: 6px;
    min-width: 0;
}

.cart-item-info h4 {
    margin: 0;
    font-size: 15px;
    color: #004e89;
}

.cart-item-info p {
    margin: 0;
    font-size: 13px;
    color: #0077be;
}

.cart-item-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.cart-item-qty {
    display: flex;
    align-items: center;
    gap: 8px;
}

.quantity-control {
    width: 26px;
    height: 26px;
    border-radius: 8px;
    border: 1px solid rgba(0, 119, 190, 0.2);
    background: white;
    color: #0077be;
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
}

.quantity-value {
    min-width: 22px;
    text-align: center;
    font-weight: 700;
}

.quantity-input {
    width: 40px;
    height: 26px;
    border-radius: 8px;
    border: 1px solid rgba(0, 119, 190, 0.2);
    background: white;
    color: #004e89;
    font-size: 14px;
    font-weight: 600;
    text-align: center;
    padding: 0 4px;
    cursor: pointer;
    transition: all 0.25s ease;
}

.quantity-input:hover {
    border-color: #00a8cc;
}

.quantity-input:focus {
    outline: none;
    border-color: #0077be;
    box-shadow: 0 0 0 3px rgba(0, 119, 190, 0.1);
}

.quantity-input::-webkit-outer-spin-button,
.quantity-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.quantity-input[type=number] {
    -moz-appearance: textfield;
}

.remove-item {
    background: transparent;
    border: none;
    color: #0077be;
    font-size: 12px;
    cursor: pointer;
    text-decoration: underline;
    padding: 0;
}

.cart-payment {
        margin: 24px 0 0;
        padding: 20px;
        border-radius: 16px;
        background: #f8fcff;
        border: 1px solid rgba(0, 119, 190, 0.12);
    }

    .cart-payment h3 {
        margin-bottom: 14px;
        font-size: 16px;
        color: #004e89;
    }

    .payment-options {
        display: grid;
        gap: 12px;
        margin-bottom: 14px;
    }

    .payment-option {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 14px 16px;
        border-radius: 12px;
        background: white;
        border: 1px solid rgba(0, 119, 190, 0.12);
        cursor: pointer;
        transition: all 0.25s ease;
    }

    .payment-option:hover {
        border-color: #00a8cc;
        box-shadow: 0 8px 18px rgba(0, 119, 190, 0.08);
    }

    .payment-option input {
        accent-color: #0077be;
        width: 18px;
        height: 18px;
    }

    .payment-option span {
        color: #004e89;
        font-size: 14px;
        font-weight: 600;
    }

    .payment-note {
        font-size: 13px;
        color: #0077be;
        line-height: 1.5;
        margin: 0;
    }

    .cart-summary {
    border-top: 1px solid rgba(0, 119, 190, 0.12);
    padding-top: 20px;
    margin-top: 20px;
}

.summary-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
    font-size: 16px;
    color: #004e89;
}

.checkout-btn {
    width: 100%;
}

.cart-empty {
    color: #0077be;
    padding: 24px;
    background: #f2fbff;
    border-radius: 14px;
    border: 1px dashed rgba(0, 119, 190, 0.3);
    text-align: center;
    font-size: 15px;
}

/* ============================
   LOGIN MODAL
   ============================ */
.login-modal {
    position: fixed;
    inset: 0;
    z-index: 300;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.login-content {
    position: relative;
    background: white;
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    max-width: 400px;
    width: 90%;
    text-align: center;
}

.login-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #004e89;
}

.login-content h2 {
    margin-bottom: 20px;
    color: #004e89;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.form-group {
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #004e89;
}

.form-group input {
    width: 100%;
    padding: 10px;
    border: 2px solid rgba(0, 119, 190, 0.2);
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: #0077be;
}

.login-message {
    margin-top: 15px;
    font-size: 14px;
    color: #0077be;
}

.link-btn {
    background: none;
    border: none;
    color: #0077be;
    text-decoration: underline;
    cursor: pointer;
    font-size: inherit;
}

/* ============================
   REGISTER MODAL
   ============================ */
.register-modal {
    position: fixed;
    inset: 0;
    z-index: 300;
    display: flex;
    align-items: center;
    justify-content: center;
}

.register-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.register-content {
    position: relative;
    background: white;
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    max-width: 400px;
    width: 90%;
    text-align: center;
}

.register-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #004e89;
}

.register-content h2 {
    margin-bottom: 20px;
    color: #004e89;
}

.register-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.register-message {
    margin-top: 15px;
    font-size: 14px;
    color: #0077be;
}

.or-divider {
    text-align: center;
    margin: 15px 0;
    position: relative;
    font-size: 14px;
    color: #666;
}

.or-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: #ddd;
    z-index: 1;
}

.or-divider::after {
    content: 'OR';
    background: white;
    padding: 0 10px;
    position: relative;
    z-index: 2;
}

/* Google Sign-In */
.g_id_signin {
    margin: 15px 0;
}

/* ============================
   RESPONSIVE DESIGN
   ============================ */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 20px;
    }

    .nav-links {
        gap: 20px;
    }

    .hero-content h2 {
        font-size: 36px;
    }

    .hero-content p {
        font-size: 16px;
    }

    .section-title {
        font-size: 28px;
    }

    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 20px;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .newsletter-form input,
    .newsletter-form button {
        width: 100%;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .about {
        margin-left: 20px;
        margin-right: 20px;
    }
}

@media (max-width: 480px) {
    .navbar-brand h1 {
        font-size: 18px;
    }

    .nav-links {
        gap: 15px;
    }

    .hero {
        height: 350px;
        margin-bottom: 50px;
    }

    .hero-content h2 {
        font-size: 28px;
    }

    .featured,
    .about {
        padding: 50px 0;
    }

    .section-title {
        font-size: 24px;
        margin-bottom: 30px;
    }

    .products-grid {
        gap: 15px;
    }

    .product-card:hover {
        transform: translateY(-4px);
    }

    .about {
        margin-left: 10px;
        margin-right: 10px;
    }
}