/* ============================================================
   PATICO SHEET TOOLS — Website Styles
   Mobile-first, responsive, modern clean design
   ============================================================ */

/* --- CSS Variables --- */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --accent: #f59e0b;
    --accent-dark: #d97706;
    --green: #16a34a;
    --purple: #7c3aed;
    --red: #dc2626;
    --pink: #db2777;

    --bg: #f8fafc;
    --bg-white: #ffffff;
    --bg-card: #ffffff;
    --bg-muted: #f1f5f9;

    --text: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;

    --border: #e2e8f0;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 25px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 40px -5px rgba(0,0,0,0.1);

    --radius: 16px;
    --radius-sm: 10px;
    --radius-full: 9999px;

    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition: 0.25s ease;

    --container: 1200px;
    --header-h: 72px;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; }

/* --- Utilities --- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.section { padding: 80px 0; }
.section-sm { padding: 48px 0; }
.text-center { text-align: center; }
.hidden { display: none !important; }

.section-header {
    text-align: center;
    margin-bottom: 48px;
}
.section-header h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 12px;
}
.section-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    white-space: nowrap;
}
.btn-primary {
    background: var(--primary);
    color: #fff;
}
.btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-accent {
    background: var(--accent);
    color: #fff;
}
.btn-accent:hover { background: var(--accent-dark); color: #fff; transform: translateY(-1px); }
.btn-outline {
    border: 2px solid var(--border);
    color: var(--text);
    background: var(--bg-white);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-sm { padding: 8px 20px; font-size: 0.875rem; }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }
.btn-block { display: flex; width: 100%; }
.btn-green { background: var(--green); color: #fff; }
.btn-green:hover { background: #15803d; color: #fff; }

/* --- Badge --- */
.badge {
    display: inline-block;
    padding: 4px 12px;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.badge-hot { background: #fef2f2; color: var(--red); }
.badge-free { background: #f0fdf4; color: var(--green); }
.badge-new { background: #eff6ff; color: var(--primary); }
.badge-deal { background: #fefce8; color: var(--accent-dark); }

/* ============================================================
   HEADER
   ============================================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-h);
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
}
.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text);
}
.logo:hover { color: var(--text); }
.logo-icon { font-size: 1.5rem; }

/* Nav */
.nav {
    display: flex;
    align-items: center;
    gap: 4px;
}
.nav-link {
    padding: 8px 16px;
    font-size: 0.925rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}
.nav-link:hover, .nav-link.active {
    color: var(--primary);
    background: #eff6ff;
}

/* Dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all var(--transition);
}
.nav-dropdown:hover .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.nav-dropdown-item {
    display: block;
    padding: 10px 14px;
    font-size: 0.9rem;
    color: var(--text);
    border-radius: 8px;
    transition: background var(--transition);
}
.nav-dropdown-item:hover {
    background: var(--bg-muted);
    color: var(--text);
}

/* Header actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Hamburger */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}
.menu-toggle span {
    display: block;
    width: 24px;
    height: 2.5px;
    background: var(--text);
    border-radius: 2px;
    transition: all var(--transition);
}
.menu-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.mobile-nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.3);
    z-index: 99;
}
.mobile-nav-overlay.show { display: block; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
    padding: calc(var(--header-h) + 60px) 0 80px;
    background: linear-gradient(135deg, #eff6ff 0%, #f8fafc 50%, #fefce8 100%);
}
.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.hero-content h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
}
.hero-content h1 .highlight {
    color: var(--primary);
}
.hero-content h1 .highlight-accent {
    color: var(--accent);
}
.hero-content p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 500px;
}
.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
}
.hero-stat-number {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary);
}
.hero-stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}
.hero-visual {
    display: flex;
    justify-content: center;
}
.hero-mockup {
    width: 100%;
    max-width: 500px;
    background: var(--bg-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-xl);
    padding: 24px;
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform 0.5s ease;
}
.hero-mockup:hover { transform: perspective(1000px) rotateY(0deg); }
.hero-mockup-header {
    display: flex;
    gap: 6px;
    margin-bottom: 16px;
}
.hero-mockup-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}
.hero-mockup-content {
    background: var(--bg-muted);
    border-radius: var(--radius-sm);
    padding: 20px;
    min-height: 280px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.mockup-row {
    height: 16px;
    background: var(--border);
    border-radius: 4px;
}
.mockup-row:nth-child(1) { width: 80%; background: var(--primary); opacity: 0.2; }
.mockup-row:nth-child(2) { width: 60%; }
.mockup-row:nth-child(3) { width: 90%; background: var(--accent); opacity: 0.2; }
.mockup-row:nth-child(4) { width: 45%; }
.mockup-row:nth-child(5) { width: 70%; background: var(--green); opacity: 0.2; }
.mockup-chart {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    height: 100px;
    margin-top: auto;
}
.mockup-bar {
    flex: 1;
    border-radius: 4px 4px 0 0;
    transition: height 0.5s ease;
}

/* ============================================================
   CATEGORIES SECTION
   ============================================================ */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.category-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    transition: all var(--transition);
    text-decoration: none;
    color: var(--text);
}
.category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
    color: var(--text);
}
.category-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}
.category-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}
.category-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}
.category-count {
    display: inline-block;
    margin-top: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary);
    background: #eff6ff;
    padding: 4px 12px;
    border-radius: var(--radius-full);
}

/* ============================================================
   PRODUCT CARDS
   ============================================================ */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.product-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all var(--transition);
}
.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.product-image {
    position: relative;
    width: 100%;
    padding-top: 60%;
    background: var(--bg-muted);
    overflow: hidden;
}
.product-image img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.product-image .badge {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 2;
}
.product-image-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    background: linear-gradient(135deg, var(--bg-muted) 0%, #e2e8f0 100%);
}
.product-body {
    padding: 20px;
}
.product-category-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-bottom: 8px;
}
.product-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}
.product-card h3 a {
    color: var(--text);
}
.product-card h3 a:hover { color: var(--primary); }
.product-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.price {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text);
}
.price.free {
    color: var(--green);
}
.price-usd {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ============================================================
   BUNDLES
   ============================================================ */
.bundles-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.bundle-card {
    background: var(--bg-white);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    transition: all var(--transition);
}
.bundle-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-lg);
}
.bundle-card.featured {
    border-color: var(--accent);
    background: linear-gradient(135deg, #fffbeb 0%, #ffffff 100%);
}
.bundle-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}
.bundle-card h3 { font-size: 1.25rem; font-weight: 700; }
.bundle-save {
    background: #fef3c7;
    color: var(--accent-dark);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 700;
}
.bundle-includes {
    margin-bottom: 20px;
}
.bundle-includes li {
    padding: 6px 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}
.bundle-includes li::before {
    content: '✅ ';
}
.bundle-price {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 20px;
}
.bundle-price .price { font-size: 1.5rem; }

/* ============================================================
   PRODUCT DETAIL PAGE
   ============================================================ */
.product-detail {
    padding-top: calc(var(--header-h) + 40px);
}
.product-detail .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}
.product-gallery {
    background: var(--bg-muted);
    border-radius: var(--radius);
    padding: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}
.product-gallery-placeholder {
    font-size: 6rem;
}
.product-info h1 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 12px;
}
.product-info .product-category-label { margin-bottom: 12px; }
.product-info .price {
    font-size: 1.75rem;
    display: block;
    margin-bottom: 8px;
}
.product-description {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.7;
}
.product-features {
    margin-bottom: 32px;
}
.product-features h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 12px;
}
.product-features li {
    padding: 8px 0;
    padding-left: 28px;
    position: relative;
    font-size: 0.95rem;
}
.product-features li::before {
    content: '✅';
    position: absolute;
    left: 0;
}
.product-tabs-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 32px;
}
.product-tab-badge {
    background: var(--bg-muted);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}
.product-buy-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.product-buy-actions .btn { justify-content: center; }

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.page-header {
    padding: calc(var(--header-h) + 40px) 0 40px;
    background: linear-gradient(135deg, #eff6ff 0%, #f8fafc 100%);
    text-align: center;
}
.page-header h1 {
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 12px;
}
.page-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}
.about-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 40px 0 16px;
}
.about-content p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}
.about-values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 40px 0;
}
.about-value {
    text-align: center;
    padding: 24px;
}
.about-value-icon {
    font-size: 2rem;
    margin-bottom: 12px;
}
.about-value h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
}
.about-value p {
    font-size: 0.875rem;
}

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    max-width: 900px;
    margin: 0 auto;
}
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 6px;
}
.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    transition: border-color var(--transition);
    background: var(--bg-white);
}
.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}
textarea.form-control { min-height: 120px; resize: vertical; }

.contact-info-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
}
.contact-info-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 20px;
}
.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--bg-muted);
}
.contact-item:last-child { border-bottom: none; }
.contact-item-icon { font-size: 1.25rem; }
.contact-item-text {
    font-size: 0.925rem;
    color: var(--text-secondary);
}

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, #7c3aed 100%);
    color: #fff;
    text-align: center;
    padding: 80px 0;
}
.cta-section h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 16px;
}
.cta-section p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 32px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}
.cta-section .btn-accent { font-size: 1.05rem; padding: 16px 40px; }

/* ============================================================
   FEATURES STRIP
   ============================================================ */
.features-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    padding: 40px 0;
}
.feature-item {
    text-align: center;
    padding: 24px 16px;
}
.feature-icon { font-size: 2rem; margin-bottom: 12px; }
.feature-item h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 4px; }
.feature-item p { font-size: 0.8rem; color: var(--text-muted); }

/* ============================================================
   PAYMENT MODAL
   ============================================================ */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 200;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.modal-overlay.show { display: flex; }

.modal {
    background: var(--bg-white);
    border-radius: var(--radius);
    padding: 32px;
    max-width: 480px;
    width: 100%;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}
.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    font-size: 1.5rem;
    color: var(--text-muted);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}
.modal-close:hover { background: var(--bg-muted); }
.modal-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 4px;
}
.modal-product-name {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}
.modal-price {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 20px;
}

.payment-tabs {
    display: flex;
    gap: 4px;
    background: var(--bg-muted);
    padding: 4px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
}
.payment-tab {
    flex: 1;
    padding: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 8px;
    color: var(--text-secondary);
    transition: all var(--transition);
}
.payment-tab.active {
    background: var(--bg-white);
    color: var(--text);
    box-shadow: var(--shadow-sm);
}

.payment-info {
    display: flex;
    gap: 20px;
    margin-bottom: 16px;
}
.qr-placeholder {
    width: 160px;
    min-width: 160px;
    height: 160px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--border);
}
.qr-placeholder img { width: 100%; height: 100%; object-fit: cover; }
.bank-details p {
    font-size: 0.875rem;
    margin-bottom: 8px;
    color: var(--text-secondary);
}
.bank-details strong { color: var(--text); }
.copy-text {
    cursor: pointer;
    color: var(--primary);
    font-weight: 600;
}
.copy-text:hover { text-decoration: underline; }
.payment-note {
    font-size: 0.85rem;
    color: var(--accent-dark);
    background: #fefce8;
    padding: 10px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
}
.gumroad-desc {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 16px;
}
.payment-zalo {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    background: var(--text);
    color: #fff;
    padding: 60px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
}
.footer .logo { color: #fff; }
.footer .logo:hover { color: #fff; }
.footer p, .footer-desc { color: #94a3b8; font-size: 0.9rem; margin-top: 8px; }
.footer-links h4 {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.footer-links a {
    display: block;
    padding: 6px 0;
    color: #94a3b8;
    font-size: 0.875rem;
    transition: color var(--transition);
}
.footer-links a:hover { color: #fff; }
.social-links {
    display: flex;
    flex-direction: column;
    gap: 0;
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 20px 0;
    text-align: center;
}
.footer-bottom p { color: #64748b; font-size: 0.8rem; }

/* ============================================================
   THANK YOU PAGE
   ============================================================ */
.thankyou-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    padding: 60px 0;
}
.thankyou-icon { font-size: 4rem; margin-bottom: 24px; }
.thankyou-content h2 {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 16px;
}
.thankyou-content p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}
.thankyou-steps {
    text-align: left;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin: 24px 0;
}
.thankyou-steps li {
    padding: 8px 0;
    padding-left: 32px;
    position: relative;
    font-size: 0.95rem;
}
.thankyou-steps li::before {
    position: absolute;
    left: 0;
    font-weight: 700;
}
.thankyou-steps li:nth-child(1)::before { content: '1️⃣'; }
.thankyou-steps li:nth-child(2)::before { content: '2️⃣'; }
.thankyou-steps li:nth-child(3)::before { content: '3️⃣'; }

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* Tablet */
@media (max-width: 1024px) {
    .hero .container { grid-template-columns: 1fr; gap: 40px; }
    .hero-visual { order: -1; }
    .hero-mockup { max-width: 400px; transform: none; }
    .hero-content { text-align: center; }
    .hero-content p { margin: 0 auto 32px; }
    .hero-buttons { justify-content: center; }
    .hero-stats { justify-content: center; }

    .products-grid { grid-template-columns: repeat(2, 1fr); }
    .categories-grid { grid-template-columns: repeat(2, 1fr); }
    .features-strip { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }

    .product-detail .container { grid-template-columns: 1fr; gap: 32px; }
    .contact-grid { grid-template-columns: 1fr; }
    .about-values { grid-template-columns: repeat(2, 1fr); }

    .gt-stats-row { grid-template-columns: repeat(2, 1fr); }
    .gt-shop-grid { grid-template-columns: repeat(2, 1fr); }
    .gt-reward-section { grid-template-columns: 1fr; }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --header-h: 64px;
    }

    .header .btn-primary { display: none; }
    .menu-toggle { display: flex; }

    .nav {
        position: fixed;
        top: 0;
        right: -280px;
        width: 280px;
        height: 100vh;
        background: var(--bg-white);
        flex-direction: column;
        align-items: stretch;
        padding: 80px 20px 20px;
        box-shadow: var(--shadow-xl);
        transition: right var(--transition);
        z-index: 101;
    }
    .nav.open { right: 0; }
    .nav-link { padding: 14px 16px; font-size: 1rem; }
    .nav-dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        padding: 0 0 0 16px;
    }

    .hero-content h1 { font-size: 2rem; }
    .hero-stats { gap: 24px; flex-wrap: wrap; }

    .products-grid { grid-template-columns: 1fr; }
    .categories-grid { grid-template-columns: 1fr; }
    .bundles-grid { grid-template-columns: 1fr; }
    .features-strip { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .about-values { grid-template-columns: 1fr; }

    .section { padding: 48px 0; }
    .section-header h2 { font-size: 1.5rem; }

    .payment-info { flex-direction: column; align-items: center; }
    .qr-placeholder { width: 200px; height: 200px; }

    .product-info h1 { font-size: 1.5rem; }

    .gt-mode-grid { grid-template-columns: 1fr; }
    .gt-week-nav { flex-direction: column; gap: 12px; text-align: center; }
    .gt-kid-bar { flex-direction: column; align-items: flex-start; }
    .gt-stats-row { grid-template-columns: repeat(2, 1fr); }
    .gt-table-wrap { overflow-x: auto; }
    .gt-table { min-width: 600px; }
    .gt-reward-section { grid-template-columns: 1fr; }
    .gt-shop-grid { grid-template-columns: repeat(2, 1fr); }
    .gt-net-score-inner { flex-direction: column; text-align: center; }
    .gt-net-verdict { margin-left: 0; text-align: center; max-width: none; }
}

/* ============================================================
   GOAL TRACKER
   ============================================================ */

/* Mode Selection */
.gt-mode-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 800px;
    margin: 0 auto;
}
.gt-mode-card {
    background: var(--bg-white);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
}
.gt-mode-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.gt-mode-card.selected {
    border-color: var(--primary);
    background: linear-gradient(135deg, #eff6ff 0%, #ffffff 100%);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}
.gt-mode-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}
.gt-mode-card h3 {
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 10px;
}
.gt-mode-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.6;
}
.gt-mode-features {
    text-align: left;
    margin-bottom: 16px;
}
.gt-mode-features li {
    padding: 5px 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding-left: 24px;
    position: relative;
}
.gt-mode-features li::before {
    content: '✅';
    position: absolute;
    left: 0;
    font-size: 0.75rem;
}
.gt-mode-tag {
    display: inline-block;
    padding: 4px 16px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.gt-mode-tag-red {
    background: #fef2f2;
    color: var(--red);
}
.gt-mode-tag-green {
    background: #f0fdf4;
    color: var(--green);
}

/* Week Navigator */
.gt-week-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 24px;
    margin-bottom: 24px;
}
.gt-week-label {
    display: flex;
    align-items: center;
    gap: 12px;
    text-align: center;
}
.gt-week-icon {
    font-size: 1.75rem;
}
.gt-week-label strong {
    display: block;
    font-size: 1.05rem;
}
.gt-week-label small {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* Kid Selector Bar */
.gt-kid-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    gap: 12px;
}
.gt-kid-tabs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.gt-kid-tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    border-radius: var(--radius-full);
    border: 2px solid var(--border);
    background: var(--bg-white);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
}
.gt-kid-tab:hover { border-color: var(--primary); color: var(--primary); }
.gt-kid-tab.active {
    border-color: var(--primary);
    background: var(--primary);
    color: #fff;
}
.gt-kid-tab .gt-kid-avatar { font-size: 1.1rem; }
.gt-kid-tab .gt-kid-remove {
    font-size: 0.75rem;
    opacity: 0.5;
    cursor: pointer;
    margin-left: 4px;
}
.gt-kid-tab .gt-kid-remove:hover { opacity: 1; }

/* Stats Row */
.gt-stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}
.gt-stat-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 20px;
    text-align: center;
}
.gt-stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text);
}
.gt-stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
    font-weight: 500;
}
.gt-stat-done .gt-stat-number { color: var(--green); }
.gt-stat-bonus .gt-stat-number { color: var(--accent); }
.gt-stat-pending .gt-stat-number { color: var(--red); }

/* Progress Bar */
.gt-progress-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}
.gt-progress-bar {
    flex: 1;
    height: 12px;
    background: var(--bg-muted);
    border-radius: var(--radius-full);
    overflow: hidden;
}
.gt-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, var(--green) 100%);
    border-radius: var(--radius-full);
    transition: width 0.5s ease;
}
.gt-progress-text {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--primary);
    min-width: 40px;
}

/* Goals Table */
.gt-table-wrap {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 24px;
}
.gt-table {
    width: 100%;
    border-collapse: collapse;
}
.gt-table th {
    background: var(--bg-muted);
    padding: 12px 16px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    text-align: left;
    border-bottom: 1px solid var(--border);
}
.gt-table td {
    padding: 12px 16px;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--bg-muted);
    vertical-align: middle;
}
.gt-table tr:last-child td { border-bottom: none; }
.gt-table tr:hover td { background: #fafbfc; }
.gt-table input[type="text"],
.gt-table input[type="number"] {
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 6px 10px;
    font-size: 0.875rem;
    width: 100%;
    background: var(--bg-white);
    font-family: inherit;
}
.gt-table input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}
.gt-status-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}
.gt-status-done { background: #f0fdf4; color: var(--green); }
.gt-status-bonus { background: #fefce8; color: var(--accent-dark); }
.gt-status-fail { background: #fef2f2; color: var(--red); }
.gt-status-pending { background: var(--bg-muted); color: var(--text-muted); }
.gt-reward-text {
    font-size: 0.8rem;
    font-weight: 600;
}
.gt-reward-text.positive { color: var(--green); }
.gt-reward-text.negative { color: var(--red); }
.gt-delete-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1rem;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: all var(--transition);
}
.gt-delete-btn:hover { color: var(--red); background: #fef2f2; }
.gt-add-goal-btn {
    margin: 16px;
}

/* Reward/Penalty Section */
.gt-reward-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 24px;
}
.gt-reward-card {
    border-radius: var(--radius);
    padding: 24px;
    border: 1px solid var(--border);
}
.gt-reward-positive {
    background: linear-gradient(135deg, #f0fdf4 0%, #ffffff 100%);
    border-color: #bbf7d0;
}
.gt-reward-negative {
    background: linear-gradient(135deg, #fef2f2 0%, #ffffff 100%);
    border-color: #fecaca;
}
.gt-reward-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}
.gt-reward-icon { font-size: 1.5rem; }
.gt-reward-header h3 {
    font-size: 1rem;
    font-weight: 700;
}
.gt-reward-list {
    min-height: 40px;
}
.gt-reward-item {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
    border-bottom: 1px dashed rgba(0,0,0,0.05);
}
.gt-reward-item:last-child { border-bottom: none; }
.gt-reward-total {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid rgba(0,0,0,0.08);
    font-size: 0.9rem;
    font-weight: 600;
}

/* Net Score */
.gt-net-score {
    margin-bottom: 32px;
}
.gt-net-score-inner {
    display: flex;
    align-items: center;
    gap: 20px;
    background: linear-gradient(135deg, var(--primary) 0%, #7c3aed 100%);
    color: #fff;
    border-radius: var(--radius);
    padding: 24px 32px;
}
.gt-net-score-inner.negative-score {
    background: linear-gradient(135deg, #dc2626 0%, #9f1239 100%);
}
.gt-net-score-inner.positive-score {
    background: linear-gradient(135deg, var(--green) 0%, #059669 100%);
}
.gt-net-icon { font-size: 2.5rem; }
.gt-net-label {
    font-size: 0.85rem;
    opacity: 0.8;
}
.gt-net-number {
    font-size: 2.25rem;
    font-weight: 800;
}
.gt-net-verdict {
    margin-left: auto;
    font-size: 1rem;
    font-weight: 600;
    text-align: right;
    max-width: 200px;
}

/* Reward Shop */
.gt-shop-section {
    margin-bottom: 32px;
}
.gt-shop-title {
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: 8px;
}
.gt-shop-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 20px;
}
.gt-shop-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 16px;
}
.gt-shop-item {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 20px;
    text-align: center;
    transition: all var(--transition);
}
.gt-shop-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}
.gt-shop-icon { font-size: 2rem; margin-bottom: 8px; }
.gt-shop-name {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 4px;
}
.gt-shop-points {
    font-size: 0.75rem;
    color: var(--accent-dark);
    font-weight: 700;
    margin-bottom: 10px;
}
.gt-shop-item .btn { font-size: 0.75rem; padding: 6px 14px; }
.gt-shop-item .btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

/* Avatar Picker */
.gt-avatar-picker {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.gt-avatar-option {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
}
.gt-avatar-option:hover { border-color: var(--primary); }
.gt-avatar-option.selected {
    border-color: var(--primary);
    background: #eff6ff;
}

/* Actions */
.gt-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    padding-top: 16px;
}

/* Small mobile */
@media (max-width: 480px) {
    .hero-content h1 { font-size: 1.65rem; }
    .hero-buttons { flex-direction: column; }
    .hero-buttons .btn { width: 100%; }
    .modal { padding: 20px; }
}