/**
 * Landing Page CSS - PT. Mitra Sinergi Korporindo
 * Modern, Professional, Clean Design
 *
 * Typography: Arial Rounded MT Bold
 * Colors: Turquoise (#00BFA5), Navy (#1A237E), Coral (#FF6E40)
 * Design Style: Rounded, Modern, Dynamic
 * Based on: Official Company Profile 2025
 */

/* ===== Variables ===== */
:root {
    /* Brand Colors - PT. Mitra Sinergi Korporindo (from Company Profile) */
    --primary-color: #00BFA5;
    --primary-dark: #00897B;
    --secondary-color: #1A237E;
    --accent-color: #FF6E40;
    --accent-light: #4DD0E1;

    /* Neutral Colors */
    --text-dark: #282828;
    --text-medium: #363636;
    --text-light: #969696;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e9ecef;

    /* Status Colors */
    --success-color: #00BFA5;
    --warning-color: #FF9800;
    --error-color: #F44336;
    --info-color: #1A237E;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 191, 165, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 191, 165, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 191, 165, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 191, 165, 0.1);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #00BFA5 0%, #00897B 100%);
    --gradient-secondary: linear-gradient(135deg, #1A237E 0%, #3949AB 100%);
    --gradient-accent: linear-gradient(135deg, #4DD0E1 0%, #00BFA5 100%);
    --gradient-overlay: linear-gradient(135deg, rgba(0, 191, 165, 0.35) 0%, rgba(26, 35, 126, 0.45) 100%);

    /* Transition */
    --transition: all 0.3s ease;

    /* Z-index Scale */
    --z-dropdown: 10;
    --z-sticky: 100;
    --z-fixed: 500;
    --z-modal-backdrop: 998;
    --z-modal: 999;
    --z-header: 1000;
    --z-notification: 9999;
}

/* ===== Base Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial Rounded MT Bold', 'Helvetica Rounded', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--bg-white);
    overflow-x: hidden;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Headings dengan Arial Rounded MT Bold */
h1, h2, h3, h4, h5, h6,
.section-title,
.banner-title,
.product-title,
.feature-title,
.modal-title {
    font-family: 'Arial Rounded MT Bold', 'Helvetica Rounded', -apple-system, BlinkMacSystemFont, 'Arial', sans-serif;
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* Buttons & Interactive Elements */
button,
.btn,
.banner-cta,
.product-cta,
.form-submit,
.filter-btn,
.pagination-btn {
    font-family: 'Arial Rounded MT Bold', 'Helvetica Rounded', -apple-system, BlinkMacSystemFont, 'Arial', sans-serif;
    letter-spacing: 0.01em;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    width: 100%;
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
}

/* ===== HEADER SECTION ===== */

/* Header Container */
.site-header {
    background: var(--bg-white);
    position: sticky;
    top: 0;
    z-index: var(--z-header);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    margin: 0;
}

.site-header.scrolled {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

/* Header Top Bar */
.header-top {
    background: var(--bg-light);
    border-bottom: 1px solid var(--border-color);
    padding: 0.625rem 0;
}

.header-top-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.header-contact {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.header-contact-item {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
    font-size: 0.875rem;
}

.header-contact-item svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.header-tagline {
    color: var(--primary-color);
    font-weight: 500;
    font-size: 0.875rem;
}

/* Header Main - Logo & Navigation */
.header-main {
    padding: 1rem 0;
    background: var(--bg-white);
}

.header-main-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

/* Logo Styling */
.site-logo {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    transition: var(--transition);
}

.site-logo:hover {
    opacity: 0.9;
}

.site-logo img {
    height: 48px;
    width: auto;
    display: block;
    margin-right: 1rem;
}

.site-logo .company-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
    line-height: 1.2;
}

.site-logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.2;
}

/* Navigation Menu */
.site-nav {
    flex: 1;
    display: flex;
    justify-content: flex-end;
}

.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 2rem;
}

.nav-menu li {
    margin: 0;
    padding: 0;
}

.nav-menu li a {
    display: inline-block;
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    padding: 0.5rem 0;
    position: relative;
    transition: var(--transition);
}

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

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

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

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    width: 40px;
    height: 40px;
}

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

/* Mobile Menu Backdrop */
.mobile-menu-backdrop {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-menu-backdrop.active {
    display: block;
    opacity: 1;
}

/* ===== Banner Slider ===== */
.hero-section {
    position: relative;
    height: 600px;
    overflow: hidden;
    margin-top: 0;
}

.banner-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.banner-slide.active {
    opacity: 1;
}

.banner-slide.default-banner {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-overlay);
}

.banner-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    align-items: center;
}

.banner-title {
    color: white;
    font-size: 2.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3),
                 0 4px 16px rgba(0, 0, 0, 0.2);
}

.banner-subtitle {
    color: white;
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    opacity: 0.95;
    font-weight: 400;
    line-height: 1.5;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.banner-cta {
    display: inline-block;
    background: white;
    color: var(--primary-color);
    padding: 0.875rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
    letter-spacing: 0.01em;
}

.banner-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    background: #fafafa;
}

.slider-nav {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    z-index: 3;
    display: flex;
    justify-content: space-between;
    padding: 0 2rem;
}

.slider-arrow {
    background: rgba(255, 255, 255, 0.3);
    border: none;
    color: white;
    font-size: 1.5rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.slider-arrow:hover {
    background: rgba(255, 255, 255, 0.5);
}

.slider-dots {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    gap: 0.75rem;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: var(--transition);
}

.slider-dot.active {
    background: white;
    width: 32px;
    border-radius: 6px;
}

/* ===== About Section ===== */
.about-section {
    padding: 6rem 0;
    background: var(--bg-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.company-name {
    color: var(--primary-color);
    font-size: 1.75rem;
    margin: 0.75rem 0;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.company-tagline {
    font-size: 1.0625rem;
    color: var(--text-light);
    font-style: italic;
    margin-bottom: 1.25rem;
    font-weight: 400;
    line-height: 1.5;
}

.about-description {
    color: var(--text-medium);
    line-height: 1.7;
    font-size: 1rem;
    margin-bottom: 2rem;
    font-weight: 400;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.about-feature-item {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-white);
    border-radius: 12px;
    border: 2px solid var(--border-color);
    transition: var(--transition);
}

.about-feature-item:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.feature-label {
    display: block;
    color: var(--text-light);
    font-size: 0.875rem;
}

.about-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.about-image-placeholder {
    width: 100%;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ===== Section Styling ===== */
.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    text-align: center;
    margin-bottom: 0.75rem;
    position: relative;
    padding-bottom: 0.75rem;
    letter-spacing: -0.02em;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1rem;
    margin-bottom: 2.5rem;
    font-weight: 400;
    line-height: 1.6;
}

/* ===== Products Section ===== */
.products-section {
    padding: 6rem 0;
    background: var(--bg-light);
}

.product-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.625rem 1.25rem;
    border: 2px solid var(--border-color);
    background: white;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    font-size: 0.9375rem;
    color: var(--text-dark);
    letter-spacing: 0.01em;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(0, 191, 165, 0.25);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
}

@media (max-width: 1400px) {
    .product-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 1200px) {
    .product-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
}

.product-card {
    background: white;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 1px 2px rgba(0,0,0,0.06);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s forwards;
    display: flex;
    flex-direction: column;
    height: 100%;
    border: 1px solid #e5e7eb;
}

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

.product-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    border-color: #d1d5db;
}

.product-card img {
    width: 100%;
    height: 160px;
    object-fit: contain;
    background: #f9fafb;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.product-content {
    padding: 0.875rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.product-category {
    color: var(--primary-color);
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.3rem;
}

.product-title {
    font-size: 0.875rem;
    font-weight: 500;
    margin: 0 0 0.5rem 0;
    color: #1f2937;
    /* Limit title to 2 lines */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    min-height: 2.4rem;
    line-height: 1.35;
}

.product-description {
    color: var(--text-light);
    line-height: 1.4;
    margin: 0 0 0.5rem 0;
    /* Limit description to 2 lines */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    min-height: 2.4rem;
    font-size: 0.75rem;
    position: relative;
    cursor: help;
}

/* Tooltip for full description on hover */
.product-description[title]:hover::after {
    content: attr(title);
    position: absolute;
    bottom: 100%;
    left: 0;
    right: 0;
    background: var(--text-dark);
    color: white;
    padding: 0.75rem;
    border-radius: 8px;
    font-size: 0.875rem;
    line-height: 1.5;
    z-index: 10;
    margin-bottom: 0.5rem;
    box-shadow: var(--shadow-lg);
    white-space: normal;
    display: block;
    -webkit-line-clamp: unset;
    -webkit-box-orient: unset;
    overflow: visible;
}

.product-description[title]:hover::before {
    content: '';
    position: absolute;
    bottom: calc(100% - 0.25rem);
    left: 1rem;
    border: 6px solid transparent;
    border-top-color: var(--text-dark);
    z-index: 10;
}

.product-price {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0 0 0.625rem 0;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.price-original {
    font-size: 0.75rem;
    color: #9ca3af;
    text-decoration: line-through;
    font-weight: 400;
}

.price-promo {
    font-size: 0.9375rem;
    color: var(--accent-color);
    font-weight: 700;
}

.product-cta {
    width: 100%;
    padding: 0.5rem 0.75rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.8125rem;
    cursor: pointer;
    transition: var(--transition);
    margin-top: auto;
}

.product-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 191, 165, 0.3);
}

/* ===== Purchase Modal ===== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: var(--z-modal);
    justify-content: center;
    align-items: center;
    padding: 1rem;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.75rem;
    cursor: pointer;
    color: var(--text-light);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--bg-light);
    color: var(--text-dark);
}

/* Purchase Form */
.purchase-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.9375rem;
}

.form-input,
.form-textarea,
.form-select {
    padding: 0.875rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background: white;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

.form-submit {
    background: var(--primary-color);
    color: white;
    padding: 1rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 0.5rem;
}

.form-submit:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.form-submit:disabled {
    background: var(--text-light);
    cursor: not-allowed;
    transform: none;
}

@media (max-width: 768px) {
    .modal-content {
        padding: 1.5rem;
        max-height: 85vh;
    }

    .modal-title {
        font-size: 1.25rem;
    }
}

/* ===== Features/Why Us Section ===== */
.features-section {
    padding: 6rem 0;
    background: var(--bg-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

.feature-card {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 16px;
    text-align: center;
    transition: var(--transition);
    border: 2px solid var(--border-color);
}

.feature-card:hover {
    background: white;
    border-color: var(--accent-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    width: 80px;
    height: 80px;
    margin-left: auto;
    margin-right: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 191, 165, 0.1) 0%, rgba(0, 191, 165, 0.2) 100%);
    border-radius: 50%;
    color: var(--primary-color);
}

.feature-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

.feature-description {
    color: var(--text-light);
    line-height: 1.6;
    font-size: 0.9375rem;
    font-weight: 400;
}

/* ===== Contact Section ===== */
.contact-section {
    padding: 6rem 0;
    background: var(--bg-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    margin-top: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-info-item {
    display: flex;
    gap: 1.5rem;
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.contact-info-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.contact-icon {
    font-size: 2rem;
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    flex-shrink: 0;
}

.contact-details h4 {
    color: var(--text-dark);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 1rem;
    letter-spacing: -0.01em;
}

.contact-details p {
    color: var(--text-medium);
    margin: 0;
    font-size: 0.9375rem;
    font-weight: 400;
}

.contact-form-wrapper {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.contact-form-wrapper h3 {
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

/* ===== Form Styling ===== */
.form-group {
    display: flex;
    flex-direction: column;
}

.form-input,
.form-textarea {
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.form-submit {
    background: var(--primary-color);
    color: white;
    padding: 0.875rem 2rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 0.01em;
}

.form-submit:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 191, 165, 0.3);
}

.form-submit:disabled {
    background: var(--text-light);
    cursor: not-allowed;
    transform: none;
    opacity: 0.6;
}

/* ===== Footer ===== */
.site-footer {
    background: var(--text-dark);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr 1.2fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section {
    min-width: 0; /* Prevent overflow */
}

.footer-section h3 {
    color: white;
    font-size: 1.125rem;
    margin-bottom: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.footer-tagline {
    color: var(--accent-color);
    font-style: italic;
    margin-bottom: 1rem;
}

.footer-section p,
.footer-section ul {
    color: #9ca3af;
    line-height: 1.8;
}

.footer-menu,
.footer-contact,
.footer-hours {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-menu li,
.footer-contact li {
    margin-bottom: 0.75rem;
}

.footer-menu a {
    color: #9ca3af;
    text-decoration: none;
    transition: var(--transition);
}

.footer-menu a:hover {
    color: white;
    padding-left: 0.5rem;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-contact li svg {
    width: 16px;
    height: 16px;
    color: var(--accent-color);
}

.footer-hours li {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.5rem;
    margin-bottom: 0.75rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid #374151;
    align-items: center;
}

.footer-hours li:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.footer-hours .day {
    color: #9ca3af;
    font-size: 0.9375rem;
    min-width: fit-content;
}

.footer-hours .time {
    color: #d1d5db;
    font-weight: 500;
    text-align: right;
    white-space: nowrap;
    font-size: 0.9375rem;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #9ca3af;
}

/* ===== Notification ===== */
.notification {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: var(--z-notification);
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    padding: 1.25rem 1.5rem;
    min-width: 320px;
    transform: translateX(400px);
    transition: var(--transition);
}

.notification.show {
    transform: translateX(0);
}

.notification-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.notification-success {
    border-left: 4px solid var(--success-color);
}

.notification-error {
    border-left: 4px solid var(--error-color);
}

.notification-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-light);
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
}

/* ===== Scroll Animations ===== */
.animate-in {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
    }

    .about-features {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .footer-hours li {
        grid-template-columns: 1fr auto;
        gap: 1rem;
    }

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

/* ===== Loading State ===== */
.loading {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-light);
}

.loading-text {
    font-size: 1.125rem;
    margin-top: 1rem;
    color: var(--text-light);
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 1rem;
}

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

/* ===== Pagination ===== */
.pagination-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.pagination-btn {
    padding: 0.625rem 1rem;
    border: 2px solid var(--border-color);
    background: white;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    font-size: 0.9375rem;
    color: var(--text-dark);
    min-width: 42px;
    text-align: center;
}

.pagination-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

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

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.pagination-info {
    color: var(--text-light);
    padding: 0 1rem;
}

/* ===== RESPONSIVE: TABLET ===== */
@media (max-width: 1024px) {
    .nav-menu {
        gap: 1.5rem;
    }

    .nav-menu li a {
        font-size: 0.9375rem;
    }
}

/* ===== RESPONSIVE: MOBILE ===== */
@media (max-width: 768px) {
    /* Header Top Mobile */
    .header-top {
        padding: 0.5rem 0;
    }

    .header-top-content {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }

    .header-contact {
        justify-content: center;
        gap: 1.5rem;
    }

    .header-contact-item {
        font-size: 0.8125rem;
    }

    .header-tagline {
        font-size: 0.8125rem;
    }

    /* Header Main Mobile */
    .header-main {
        padding: 0.875rem 0;
    }

    .header-main-content {
        gap: 1rem;
    }

    /* Logo Mobile */
    .site-logo img {
        height: 42px;
    }

    .site-logo-text {
        font-size: 1.25rem;
    }

    /* Navigation Mobile */
    .site-nav {
        order: 3;
        width: 100%;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        left: -100%;
        width: 280px;
        height: 100vh;
        background: white;
        flex-direction: column;
        align-items: flex-start;
        padding: 5rem 2rem 2rem;
        box-shadow: var(--shadow-xl);
        transition: left 0.3s ease;
        gap: 0.5rem;
        z-index: var(--z-modal);
    }

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

    .nav-menu li {
        width: 100%;
    }

    .nav-menu li a {
        display: block;
        padding: 0.75rem 0;
        font-size: 1.0625rem;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-menu li a::after {
        display: none;
    }

    .nav-menu li:last-child a {
        border-bottom: none;
    }

    /* Mobile Menu Toggle */
    .mobile-menu-toggle {
        display: flex;
        order: 2;
    }

    /* Banner Mobile */
    .hero-section {
        height: 500px;
    }

    .banner-title {
        font-size: 2rem;
    }

    .banner-subtitle {
        font-size: 1.125rem;
    }

    /* Grid Layouts Mobile */
    .about-features {
        grid-template-columns: 1fr;
    }

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

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

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

    .footer-bottom-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 2rem;
    }

    .banner-title {
        font-size: 1.75rem;
    }

    .slider-nav {
        padding: 0 1rem;
    }

    .slider-arrow {
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
    }

    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .product-card img {
        height: 120px;
    }

    .product-content {
        padding: 0.625rem;
    }

    .product-title {
        font-size: 0.8125rem;
        min-height: 2rem;
    }

    .product-description {
        font-size: 0.6875rem;
        min-height: 2rem;
    }

    .product-price {
        font-size: 0.875rem;
    }

    .product-cta {
        padding: 0.5rem;
        font-size: 0.75rem;
    }

    .pagination-btn {
        padding: 0.5rem 1rem;
        min-width: 40px;
        font-size: 0.875rem;
    }

    .notification {
        left: 1rem;
        right: 1rem;
        min-width: auto;
    }
}