/* Import distinctive fonts */
@import url('https://fonts.googleapis.com/css2?family=Libre+Baskerville:wght@400;700&family=DM+Sans:wght@400;500;700&display=swap');

:root {
    /* Color System - Refined navy and warm accents */
    --color-primary: #1a2332;
    --color-primary-light: #2d3e54;
    --color-primary-dark: #0f1621;
    --color-accent: #d4a574;
    --color-accent-dark: #b8915f;
    --color-background: #fafaf8;
    --color-surface: #ffffff;
    --color-text: #1a2332;
    --color-text-muted: #5a6576;
    --color-border: #e5e5e0;
    --color-success: #2d7a4f;
    --color-error: #c4423f;
    
    /* Typography */
    --font-serif: 'Libre Baskerville', Georgia, serif;
    --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-xxl: 6rem;
    
    /* Layout */
    --container-width: 1200px;
    --container-narrow: 720px;
    --radius: 8px;
    --radius-lg: 16px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(26, 35, 50, 0.08);
    --shadow-md: 0 4px 12px rgba(26, 35, 50, 0.1);
    --shadow-lg: 0 12px 32px rgba(26, 35, 50, 0.12);
    
    /* Transitions */
    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

h1 {
    font-size: 3.5rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.5rem;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--space-sm);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--color-accent);
}

/* Container */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.container.narrow {
    max-width: var(--container-narrow);
}

/* Header */
.site-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

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

.logo img {
    display: block;
    height: 40px;
    width: auto;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.main-nav a {
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: 0.01em;
}

.nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid var(--color-border);
    background: white;
    border-radius: 10px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--color-primary);
}

.mobile-drawer-backdrop[hidden] {
    display: none !important;
}

.mobile-drawer-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 22, 33, 0.45);
    z-index: 190;
}

.mobile-drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: min(84vw, 320px);
    height: 100vh;
    background: #fff;
    border-left: 1px solid var(--color-border);
    box-shadow: -12px 0 30px rgba(15, 22, 33, 0.16);
    padding: 1rem;
    z-index: 200;
    transform: translateX(100%);
    transition: transform var(--transition);
}

.mobile-drawer[hidden] {
    display: none !important;
}

.mobile-drawer.is-open {
    transform: translateX(0);
}

.mobile-drawer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.mobile-drawer-close {
    border: 0;
    background: transparent;
    color: var(--color-primary);
    font-size: 1.8rem;
    line-height: 1;
    cursor: pointer;
}

.mobile-drawer-nav {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.mobile-drawer-nav a {
    font-size: 1rem;
    padding: 0.85rem 0.5rem;
    border-bottom: 1px solid var(--color-border);
}

.mobile-drawer-nav .btn-primary {
    border-bottom: 0;
    margin-top: 0.5rem;
    text-align: center;
    padding: 0.9rem 1rem;
}

/* Buttons */
.btn-primary,
.btn-secondary,
.btn-large,
.btn-text,
.btn-add {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 0.95rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    border: none;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--color-primary-light);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

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

.btn-inline-link {
    background: none;
    border: none;
    padding: 0;
    font-size: 0.8em;
    font-weight: 400;
    color: var(--color-primary);
    cursor: pointer;
    text-decoration: underline;
    vertical-align: middle;
    margin-left: 0.5rem;
}

.btn-inline-link:hover {
    opacity: 0.75;
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    background: var(--color-accent);
    color: var(--color-primary);
}

.btn-large:hover {
    background: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-text {
    background: transparent;
    color: var(--color-text-muted);
    padding: 0.5rem 1rem;
}

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

.btn-add {
    background: transparent;
    border: 2px dashed var(--color-border);
    color: var(--color-text-muted);
    width: 100%;
}

.btn-add:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: rgba(212, 165, 116, 0.05);
}

/* Hero Section */
.hero {
    padding: 5.5rem 0 4.5rem;
    background: linear-gradient(135deg, #fafaf8 0%, #f5f3ef 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 150%;
    background: radial-gradient(circle, rgba(212, 165, 116, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero .container {
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: 3rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: clamp(3rem, 6vw, 4.25rem);
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 1.25rem;
    max-width: 14ch;
    margin-bottom: var(--space-md);
    animation: fadeInUp 0.8s ease-out;
}

.highlight {
    color: var(--color-accent);
    position: relative;
    display: inline-block;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    line-height: 1.55;
    max-width: 44ch;
    animation: fadeInUp 0.8s ease-out 0.1s backwards;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    align-items: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero-actions .btn-large,
.hero-actions .btn-secondary {
    min-width: 170px;
}

.hero-proof {
    margin-top: 0.85rem;
    margin-bottom: 0;
    font-size: 0.92rem;
    color: var(--color-text-muted);
}

.hero-account-note {
    margin-top: 0.9rem;
    margin-bottom: 0;
    font-size: 0.92rem;
    color: var(--color-text-muted);
}

.hero-account-note a {
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* Invoice Preview in Hero */
.hero-visual {
    animation: fadeInUp 0.8s ease-out 0.3s backwards;
}

/* Hero invoice mockup */
.hero-mock {
    width: 100%;
}

.hero-mock-card {
    background: white;
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(26, 35, 50, 0.08);
    transition: transform var(--transition), box-shadow var(--transition);
}

.hero-mock-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 36px rgba(26, 35, 50, 0.14);
}

.mock-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
}

.mock-chip {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--color-primary);
    background: rgba(15, 23, 42, 0.06);
    border: 1px solid rgba(15, 23, 42, 0.12);
    border-radius: 999px;
    padding: 6px 10px;
}

.mock-number {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-muted);
}

.mock-party-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-bottom: 1.1rem;
}

.mock-label {
    font-size: 11px;
    letter-spacing: 0.08em;
    font-weight: 700;
    color: var(--color-text-muted);
    margin-bottom: 6px;
}

.mock-line {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.4;
}

.mock-line.strong {
    color: var(--color-primary);
    font-weight: 700;
}

.mock-table {
    border: 1px solid rgba(26, 35, 50, 0.12);
    border-radius: 10px;
    overflow: hidden;
}

.mock-row {
    display: grid;
    grid-template-columns: 1.9fr 0.6fr 1fr 1fr;
    gap: 10px;
    padding: 9px 12px;
    font-size: 0.8rem;
    border-bottom: 1px solid rgba(26, 35, 50, 0.1);
}

.mock-row span:nth-child(2),
.mock-row span:nth-child(3),
.mock-row span:nth-child(4) {
    text-align: right;
}

.mock-head {
    background: var(--color-primary);
    color: #fff;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 600;
}

.mock-row.total {
    border-bottom: 0;
    font-weight: 700;
    color: var(--color-accent-dark);
}

/* Hidden ad reserve below hero (shown only when ad code is active) */
.ad-reserve[hidden] {
    display: none !important;
}

.ad-reserve {
    padding: var(--space-md) 0 var(--space-lg);
    background: linear-gradient(135deg, #fafaf8 0%, #f5f3ef 100%);
}

.ad-reserve-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-lg);
}

.ad-slot-shell {
    width: 100%;
    max-width: 100%;
    min-height: 0;
    margin: 0 auto;
}

.ad-slot-content:empty {
    display: none;
}

.ad-slot-content > * {
    display: block;
    margin: 0 auto;
    width: 100%;
    max-width: 100%;
}

@media (min-width: 901px) {
    .ad-reserve-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 900px) {
    .ad-reserve-grid {
        grid-template-columns: 1fr;
    }
}
/* Features Section */
.features {
    padding: var(--space-xxl) 0;
}

.features h2 {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.feature-card {
    background: white;
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
}

.feature-card p {
    color: var(--color-text-muted);
    margin-bottom: 0;
}

/* How It Works Section */
.how-it-works {
    padding: var(--space-xxl) 0;
    background: var(--color-surface);
}

.how-it-works h2 {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    font-family: var(--font-serif);
    font-size: 4rem;
    font-weight: 700;
    color: var(--color-accent);
    opacity: 0.2;
    line-height: 1;
    margin-bottom: var(--space-sm);
}

.step h3 {
    margin-bottom: var(--space-sm);
}

.step p {
    color: var(--color-text-muted);
    margin-bottom: 0;
}

.cta-section {
    text-align: center;
    margin-top: var(--space-xl);
}

/* Footer */
.site-footer {
    background: var(--color-primary);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--space-xl) 0 var(--space-md);
    margin-top: var(--space-xxl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-lg);
}

.footer-brand p {
    margin-top: var(--space-sm);
    font-size: 0.95rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.footer-column h4 {
    color: white;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-sm);
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
    transition: color var(--transition);
}

.footer-column a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-md);
    text-align: center;
    font-size: 0.9rem;
}

/* Legal Pages */
.legal-page {
    padding: var(--space-xl) 0;
}

.legal-page h1 {
    margin-bottom: var(--space-sm);
}

.last-updated {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--space-xl);
}

.legal-section {
    margin-bottom: var(--space-xl);
}

.legal-section h2 {
    font-size: 1.75rem;
    margin-bottom: var(--space-md);
}

.legal-section ul {
    margin-left: var(--space-md);
    margin-bottom: var(--space-md);
}

.legal-section li {
    margin-bottom: var(--space-sm);
    color: var(--color-text-muted);
}

/* Invoice Builder Page Styles */
.invoice-page {
    background: var(--color-background);
}

.invoice-page .site-header {
    border-bottom: 1px solid var(--color-border);
}

.header-actions {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
}

.header-inline-hint {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    white-space: nowrap;
}

.header-link {
    padding-left: 0;
    padding-right: 0;
}

.invoice-builder {
    min-height: calc(100vh - 80px);
}

.builder-container {
    display: grid;
    grid-template-columns: 420px 1fr;
    min-height: calc(100vh - 80px);
}

.form-panel {
    background: white;
    border-right: 1px solid var(--color-border);
    overflow-y: auto;
    height: calc(100vh - 80px);
    position: sticky;
    top: 80px;
}

.panel-content {
    padding: var(--space-lg);
}

.form-section {
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
}

.form-section:last-child {
    border-bottom: none;
}

.form-section h3 {
    font-size: 1.1rem;
    margin-bottom: var(--space-md);
    font-family: var(--font-sans);
    font-weight: 700;
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: all var(--transition);
    background: white;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(212, 165, 116, 0.1);
}

.form-group textarea {
    resize: vertical;
    font-family: var(--font-sans);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
}

/* Line Items */
#lineItems {
    margin-bottom: var(--space-md);
}

.line-item {
    position: relative;
    padding: var(--space-md);
    background: var(--color-background);
    border-radius: var(--radius);
    margin-bottom: var(--space-md);
}

.line-item .form-row {
    grid-template-columns: 1fr 1fr 1fr;
}

.btn-remove-item {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    width: 28px;
    height: 28px;
    border: none;
    background: var(--color-error);
    color: white;
    border-radius: 50%;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-remove-item:hover {
    background: #a33633;
    transform: scale(1.1);
}

/* Preview Panel */
.preview-panel {
    background: var(--color-background);
    padding: var(--space-xl);
    overflow-y: auto;
}

.preview-container {
    max-width: 800px;
    margin: 0 auto;
}

.invoice-document {
    background: white;
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    min-height: 1000px;
}

.invoice-header {
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: 3px solid var(--color-primary);
}

.invoice-title h1 {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.invoice-meta {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.meta-item {
    display: flex;
    flex-direction: column;
}

.meta-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.meta-value {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text);
}

.invoice-parties {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.party-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.party-details {
    font-size: 0.95rem;
    line-height: 1.6;
}

.placeholder-text {
    color: var(--color-text-muted);
    font-style: italic;
}

/* Invoice Table */
.invoice-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--space-xl);
}

.invoice-table thead {
    background: var(--color-primary);
    color: white;
}

.invoice-table th {
    padding: 1rem;
    text-align: left;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.invoice-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--color-border);
}

.th-short {
    display: none;
}

.invoice-table tbody tr:hover {
    background: var(--color-background);
}

.invoice-table .align-center {
    text-align: center;
}

.invoice-table .align-right {
    text-align: right;
}

.invoice-table .empty-state td {
    text-align: center;
    color: var(--color-text-muted);
    font-style: italic;
    padding: var(--space-lg);
}

.invoice-table tfoot {
    background: var(--color-background);
}

.invoice-table .total-row td {
    font-weight: 700;
    font-size: 1.25rem;
    border-bottom: none;
    padding: var(--space-md) 1rem;
}

.total-amount {
    color: var(--color-accent);
}

.invoice-footer {
    margin-top: var(--space-xl);
}

/* Force desktop-like layout during PDF render, regardless of device viewport */
.invoice-document.pdf-mode {
    padding: var(--space-xl) !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    min-height: auto !important;
}

.invoice-document.pdf-mode .invoice-meta {
    grid-template-columns: repeat(3, 1fr) !important;
}

.invoice-document.pdf-mode .invoice-parties {
    grid-template-columns: 1fr 1fr !important;
}

.invoice-document.pdf-mode .invoice-table th {
    white-space: nowrap !important;
    font-size: 0.85rem !important;
    letter-spacing: 0.05em !important;
}

.invoice-document.pdf-mode .invoice-table th,
.invoice-document.pdf-mode .invoice-table td {
    padding: 1rem !important;
}

.invoice-document.pdf-mode .th-full {
    display: inline !important;
}

.invoice-document.pdf-mode .th-short {
    display: none !important;
}

.footer-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-lg);
}

.footer-row .footer-section {
    flex: 1 1 0;
    min-width: 0;
    margin-bottom: 0;
}

.footer-section {
    margin-bottom: var(--space-lg);
}

.section-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

.section-content {
    color: var(--color-text-muted);
    line-height: 1.6;
    word-break: break-word;
    overflow-wrap: break-word;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .builder-container {
        grid-template-columns: 1fr;
    }
    
    .form-panel {
        position: relative;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 0.75rem;
    }

    html {
        font-size: 14px;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }

    .site-header .container {
        gap: 0.5rem;
    }

    .logo img {
        height: 34px;
        max-width: 150px;
    }

    .main-nav {
        display: none;
    }

    .nav-toggle {
        display: inline-flex;
        margin-left: auto;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        gap: 1.75rem;
    }
    
    .hero-visual {
        display: block;
    }

    .hero-content {
        text-align: center;
    }

    .hero-content h1,
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-proof {
        text-align: center;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
    }

    .hero-actions .btn-large,
    .hero-actions .btn-secondary {
        width: 100%;
        min-width: 0;
    }

    .hero-mock-card {
        padding: 1.15rem;
    }

    .mock-row {
        font-size: 0.74rem;
        gap: 8px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .invoice-parties {
        grid-template-columns: 1fr;
    }
    
    .invoice-meta {
        grid-template-columns: 1fr;
    }

    .preview-panel {
        padding: 0.75rem;
    }

    .preview-container {
        max-width: 100%;
    }

    .invoice-document {
        padding: 1rem;
        border-radius: 12px;
        min-height: auto;
    }

    .invoice-table th,
    .invoice-table td {
        padding: 0.7rem 0.45rem;
    }

    .invoice-table th {
        font-size: 0.72rem;
        letter-spacing: 0.03em;
    }

    .invoice-table td {
        font-size: 0.9rem;
    }

    .invoice-table .align-center,
    .invoice-table .align-right {
        white-space: nowrap;
    }

    .th-full {
        display: none;
    }

    .th-short {
        display: inline;
    }
}

/* Invoice meta muted line (e.g., Tax ID under company name) */
.meta-muted{color: var(--text-secondary, #666); font-size: 0.9em;}

.checkbox-label{display:flex; align-items:center; gap:8px; font-weight:500;}
.checkbox-label input{width:auto;}

.invoice-wordmark {
    margin-bottom: var(--space-md);
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

/* Account + Pricing Pages */
.account-page,
.pricing-page {
    padding: var(--space-xl) 0;
}

.page-intro {
    max-width: 760px;
    margin: 0 auto var(--space-xl);
    text-align: center;
}

.page-intro p {
    color: var(--color-text-muted);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-md);
}

.pricing-card,
.account-card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
}

.pricing-card h3,
.account-card h3 {
    font-family: var(--font-sans);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.pricing-price {
    font-weight: 700;
    font-size: 1.8rem;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.pricing-list {
    list-style: none;
    margin-bottom: var(--space-md);
}

.pricing-list li {
    margin-bottom: 0.4rem;
    color: var(--color-text-muted);
}

.account-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.account-form {
    display: grid;
    gap: var(--space-sm);
}

.account-form .btn-primary,
.account-form .btn-secondary {
    width: 100%;
}

.usage-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.usage-item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 0.85rem;
    background: var(--color-background);
}

.usage-item strong {
    display: block;
    margin-bottom: 0.2rem;
}

.saved-list {
    margin-top: var(--space-sm);
    list-style: none;
}

.saved-list li {
    border-bottom: 1px solid var(--color-border);
    padding: 0.5rem 0;
    color: var(--color-text-muted);
}

@media (max-width: 1024px) {
    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .account-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .usage-grid {
        grid-template-columns: 1fr;
    }
}

/* ── Dashboard period toggle ─────────────────────────────────────────────── */

.summary-header {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 0.5rem;
}

.period-toggle {
    display: flex;
    gap: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
}

.period-btn {
    background: none;
    border: none;
    padding: 0.35rem 0.85rem;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: background var(--transition), color var(--transition);
}

.period-btn:not(:last-child) {
    border-right: 1px solid var(--color-border);
}

.period-btn.active,
.period-btn:hover {
    background: var(--color-primary);
    color: #fff;
}

/* ── Send modal ───────────────────────────────────────────────────────────── */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(26, 35, 50, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-overlay[hidden] {
    display: none;
}

.modal-box {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 2rem;
    width: 100%;
    max-width: 440px;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.modal-box h3 {
    font-family: var(--font-sans);
    font-size: 1.1rem;
    color: var(--color-text);
    margin: 0;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

/* ── Payment link button (invoice preview) ───────────────────────────────── */

.payment-link-btn {
    display: inline-block;
    padding: 0.6rem 1.4rem;
    background: var(--color-primary);
    color: #fff;
    text-decoration: none;
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 500;
    margin-top: 0.5rem;
}

.payment-link-btn:hover {
    background: var(--color-primary-light);
}

/* ── Report bug button & modal ───────────────────────────────────────────── */

.report-bug-trigger {
    font-size: 0.8rem;
    opacity: 0.65;
    padding-left: 0;
    padding-right: 0;
}

.report-bug-trigger:hover {
    opacity: 1;
}

.report-bug-box {
    max-width: 480px;
}

.report-bug-desc {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin: 0;
}

.report-bug-optional {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-weight: 400;
}

.report-bug-alert {
    padding: 0.6rem 0.85rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
}

.report-bug-alert--error {
    background: #fff0f0;
    color: #c0392b;
    border: 1px solid #f5c6c6;
}

.report-bug-alert--ok {
    background: #f0faf4;
    color: #1a7a44;
    border: 1px solid #b6e4ca;
}

/* ── Notification bell ──────────────────────────────────────────────────────── */

.notif-bell {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-primary);
    opacity: 0.65;
    padding: 0.25rem;
    border-radius: 6px;
    transition: opacity 0.15s;
    line-height: 1;
}

.notif-bell:hover {
    opacity: 1;
}

.notif-badge {
    position: absolute;
    top: -3px;
    right: -5px;
    background: var(--color-error);
    color: #fff;
    font-size: 0.6rem;
    font-weight: 700;
    line-height: 1;
    padding: 2px 4px;
    border-radius: 10px;
    min-width: 14px;
    text-align: center;
}

.notif-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    width: 320px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    z-index: 2000;
    overflow: hidden;
    max-height: 480px;
    overflow-y: auto;
}

/* The bell+dropdown need a positioned parent */
.main-nav {
    position: relative;
}

.notif-item {
    padding: 0.9rem 1rem;
}

.notif-item-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.35rem;
}

.notif-type {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 2px 7px;
    border-radius: 4px;
}

.notif-type--fix    { background: #d1fae5; color: #065f46; }
.notif-type--update { background: #e8f0fe; color: #1a5dbd; }
.notif-type--info   { background: #f0f2f5; color: #5a6576; }

.notif-date {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.notif-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.35;
    margin-bottom: 0.2rem;
}

.notif-body {
    font-size: 0.82rem;
    color: var(--color-text-muted);
    line-height: 1.45;
    margin-bottom: 0.4rem;
}

.notif-divider {
    height: 1px;
    background: var(--color-border);
}

.notif-empty {
    padding: 1.25rem 1rem;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-align: center;
}

.notif-persist-btn {
    display: inline-block;
    margin-top: 0.4rem;
    background: none;
    border: 1px solid var(--color-border);
    border-radius: 5px;
    font-size: 0.78rem;
    color: var(--color-text-muted);
    padding: 0.25rem 0.6rem;
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s;
}

.notif-persist-btn:hover:not(:disabled) {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.notif-persist-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.notif-persist-feedback {
    display: inline-block;
    margin-top: 0.4rem;
    font-size: 0.78rem;
    color: var(--color-success);
}