/* GraphicDesignerAI - Premium Grayscale Design System
   A sophisticated, modern design language */

/* =================================
   Color System - Grayscale Palette
   ================================= */
:root {
    /* Grayscale Core */
    --gray-50: #fafafa;
    --gray-100: #f4f4f5;
    --gray-200: #e4e4e7;
    --gray-300: #d4d4d8;
    --gray-400: #a1a1aa;
    --gray-500: #71717a;
    --gray-600: #52525b;
    --gray-700: #3f3f46;
    --gray-800: #27272a;
    --gray-900: #18181b;
    --gray-950: #09090b;

    /* Accent - Subtle warm gray */
    --accent: #78716c;
    --accent-light: #a8a29e;
    --accent-dark: #57534e;

    /* Semantic */
    --success: #6b7280;
    --warning: #9ca3af;
    --error: #4b5563;
    --info: #6b7280;

    /* Surface Colors */
    --surface-primary: #ffffff;
    --surface-secondary: #fafafa;
    --surface-tertiary: #f4f4f5;
    --surface-elevated: #ffffff;
    --surface-dark: #18181b;
    --surface-dark-elevated: #27272a;

    /* Text Colors */
    --text-primary: #18181b;
    --text-secondary: #52525b;
    --text-tertiary: #71717a;
    --text-muted: #a1a1aa;
    --text-inverse: #fafafa;

    /* Border Colors */
    --border-light: #e4e4e7;
    --border-default: #d4d4d8;
    --border-dark: #a1a1aa;

    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.04);

    /* Glass effect */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-blur: blur(20px);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
}

/* =================================
   Base Styles
   ================================= */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--surface-secondary);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    margin: 0;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-top: 0;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-top: 0;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

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

a:hover {
    color: var(--gray-600);
}

main {
    flex: 1;
}

::selection {
    background: var(--gray-800);
    color: var(--gray-50);
}

/* =================================
   Navigation - Refined Dark Header
   ================================= */
.navbar {
    background: var(--gray-950) !important;
    border-bottom: 1px solid var(--gray-800);
    padding: 0.75rem 0;
    backdrop-filter: saturate(180%) blur(20px);
}

.navbar-brand {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.03em;
    color: var(--gray-50) !important;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-brand i {
    font-size: 1.5rem;
    opacity: 0.9;
}

.navbar-dark .navbar-nav .nav-link {
    color: var(--gray-400);
    font-weight: 500;
    font-size: 0.9375rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link:focus {
    color: var(--gray-50);
    background: rgba(255, 255, 255, 0.05);
}

.navbar-dark .navbar-nav .nav-link.active {
    color: var(--gray-50);
}

.dropdown-menu-dark {
    background: var(--gray-900);
    border: 1px solid var(--gray-800);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 0.5rem;
    margin-top: 0.5rem !important;
}

.dropdown-menu-dark .dropdown-item {
    color: var(--gray-300);
    font-size: 0.875rem;
    padding: 0.625rem 1rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.dropdown-menu-dark .dropdown-item:hover {
    background: var(--gray-800);
    color: var(--gray-50);
}

.dropdown-menu-dark .dropdown-item i {
    width: 1.25rem;
    opacity: 0.7;
}

.dropdown-menu-dark .dropdown-divider {
    border-color: var(--gray-800);
    margin: 0.5rem 0;
}

.dropdown-menu-dark .dropdown-header {
    color: var(--gray-500);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.5rem 1rem;
}

/* =================================
   Buttons - Refined Grayscale
   ================================= */
.btn {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 0.9375rem;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-md);
    border: none;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    cursor: pointer;
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(113, 113, 122, 0.3);
}

.btn-primary {
    background: var(--gray-900);
    color: var(--gray-50);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: var(--gray-800);
    color: var(--gray-50);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn-secondary {
    background: var(--gray-200);
    color: var(--gray-800);
}

.btn-secondary:hover {
    background: var(--gray-300);
    color: var(--gray-900);
}

.btn-outline-primary {
    background: transparent;
    color: var(--gray-900);
    border: 1.5px solid var(--gray-300);
}

.btn-outline-primary:hover {
    background: var(--gray-900);
    color: var(--gray-50);
    border-color: var(--gray-900);
}

.btn-outline-secondary {
    background: transparent;
    color: var(--gray-600);
    border: 1.5px solid var(--gray-300);
}

.btn-outline-secondary:hover {
    background: var(--gray-100);
    color: var(--gray-800);
    border-color: var(--gray-400);
}

.btn-ghost {
    background: transparent;
    color: var(--gray-600);
    padding: 0.5rem 0.75rem;
}

.btn-ghost:hover {
    background: var(--gray-100);
    color: var(--gray-900);
}

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    border-radius: var(--radius-lg);
}

.btn-sm {
    padding: 0.375rem 0.875rem;
    font-size: 0.8125rem;
}

.btn-icon {
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    border-radius: var(--radius-md);
}

/* =================================
   Cards - Elevated Design
   ================================= */
.card {
    background: var(--surface-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

.card-elevated {
    border: none;
    box-shadow: var(--shadow-md);
}

.card-elevated:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.card-glass {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
}

.card-dark {
    background: var(--gray-900);
    border-color: var(--gray-800);
    color: var(--gray-100);
}

.card-dark:hover {
    background: var(--gray-800);
}

.card-body {
    padding: 1.5rem;
}

.card-header {
    padding: 1rem 1.5rem;
    background: transparent;
    border-bottom: 1px solid var(--border-light);
}

.card-footer {
    padding: 1rem 1.5rem;
    background: var(--gray-50);
    border-top: 1px solid var(--border-light);
}

/* Feature Cards */
.feature-card {
    padding: 2rem;
    text-align: center;
    background: var(--surface-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.feature-card:hover {
    border-color: var(--gray-300);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.feature-card .feature-icon {
    width: 64px;
    height: 64px;
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    transition: all var(--transition-base);
}

.feature-card:hover .feature-icon {
    background: var(--gray-900);
    color: var(--gray-50);
}

.feature-card .feature-icon i {
    font-size: 1.75rem;
    color: var(--gray-600);
    transition: color var(--transition-base);
}

.feature-card:hover .feature-icon i {
    color: var(--gray-50);
}

/* Template Cards */
.template-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--gray-100);
    aspect-ratio: 4/3;
    cursor: pointer;
}

.template-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.template-card:hover img {
    transform: scale(1.05);
}

.template-card .overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-base);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.25rem;
}

.template-card:hover .overlay {
    opacity: 1;
}

.template-card .template-actions {
    display: flex;
    gap: 0.5rem;
}

/* =================================
   Hero Sections - Grayscale Elegance
   ================================= */
.hero-section {
    position: relative;
    padding: var(--space-24) 0;
    background: var(--surface-primary);
    overflow: hidden;
}

.hero-gradient {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 50%, var(--gray-200) 100%);
}

.hero-dark {
    background: var(--gray-950);
    color: var(--gray-50);
}

.hero-dark h1,
.hero-dark h2,
.hero-dark h3 {
    color: var(--gray-50);
}

.hero-dark p {
    color: var(--gray-400);
}

.hero-pattern {
    position: relative;
}

.hero-pattern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 1px 1px, var(--gray-200) 1px, transparent 0);
    background-size: 40px 40px;
    opacity: 0.5;
    pointer-events: none;
}

.hero-mesh {
    position: relative;
}

.hero-mesh::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(at 40% 20%, var(--gray-200) 0px, transparent 50%),
        radial-gradient(at 80% 0%, var(--gray-100) 0px, transparent 50%),
        radial-gradient(at 0% 50%, var(--gray-200) 0px, transparent 50%),
        radial-gradient(at 80% 50%, var(--gray-100) 0px, transparent 50%),
        radial-gradient(at 0% 100%, var(--gray-200) 0px, transparent 50%);
    opacity: 0.7;
    pointer-events: none;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto 2rem;
    line-height: 1.6;
}

.hero-preview-container {
    position: relative;
    margin-top: var(--space-12);
}

.hero-preview {
    background: var(--gray-900);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
    position: relative;
}

.hero-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 40px;
    background: var(--gray-800);
    display: flex;
    align-items: center;
    padding: 0 1rem;
}

.hero-preview img {
    width: 100%;
    display: block;
}

/* =================================
   Forms - Clean & Minimal
   ================================= */
.form-control,
.form-select {
    font-family: 'Inter', sans-serif;
    font-size: 0.9375rem;
    padding: 0.75rem 1rem;
    border: 1.5px solid var(--border-default);
    border-radius: var(--radius-md);
    background: var(--surface-primary);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--gray-500);
    box-shadow: 0 0 0 3px rgba(113, 113, 122, 0.15);
    outline: none;
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-text {
    font-size: 0.8125rem;
    color: var(--text-tertiary);
    margin-top: 0.375rem;
}

.form-control-lg {
    padding: 1rem 1.25rem;
    font-size: 1rem;
    border-radius: var(--radius-lg);
}

/* Upload Zone */
.upload-zone {
    border: 2px dashed var(--border-default);
    border-radius: var(--radius-xl);
    padding: 3rem 2rem;
    text-align: center;
    background: var(--gray-50);
    transition: all var(--transition-base);
    cursor: pointer;
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--gray-500);
    background: var(--gray-100);
}

.upload-zone i {
    font-size: 3rem;
    color: var(--gray-400);
    margin-bottom: 1rem;
}

/* =================================
   Pricing - Premium Feel
   ================================= */
.pricing-card {
    background: var(--surface-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-2xl);
    padding: 2.5rem;
    transition: all var(--transition-base);
    position: relative;
}

.pricing-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-8px);
}

.pricing-card.featured {
    border: 2px solid var(--gray-900);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured::before {
    content: 'Most Popular';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gray-900);
    color: var(--gray-50);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 1rem;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-price {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

.pricing-price span {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-tertiary);
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 2rem 0;
}

.pricing-features li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li i {
    color: var(--gray-600);
}

/* =================================
   Stats & Metrics
   ================================= */
.stat-card {
    background: var(--surface-primary);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    border: 1px solid var(--border-light);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* =================================
   Badges & Tags
   ================================= */
.badge {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 0.75rem;
    padding: 0.25rem 0.625rem;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.badge-primary {
    background: var(--gray-900);
    color: var(--gray-50);
}

.badge-secondary {
    background: var(--gray-200);
    color: var(--gray-700);
}

.badge-outline {
    background: transparent;
    border: 1px solid var(--border-default);
    color: var(--text-secondary);
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    background: var(--gray-100);
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.tag:hover {
    background: var(--gray-200);
}

/* =================================
   Modal Styles
   ================================= */
.modal-content {
    border: none;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
}

.modal-header {
    border-bottom: 1px solid var(--border-light);
    padding: 1.5rem;
}

.modal-title {
    font-weight: 700;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid var(--border-light);
    padding: 1rem 1.5rem;
}

/* =================================
   Tabs & Navigation Pills
   ================================= */
.nav-pills .nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-pills .nav-link:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

.nav-pills .nav-link.active {
    background: var(--gray-900);
    color: var(--gray-50);
}

.nav-tabs {
    border-bottom: 2px solid var(--border-light);
}

.nav-tabs .nav-link {
    border: none;
    color: var(--text-tertiary);
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    margin-bottom: -2px;
    transition: all var(--transition-fast);
}

.nav-tabs .nav-link:hover {
    color: var(--text-primary);
}

.nav-tabs .nav-link.active {
    color: var(--text-primary);
    border-bottom: 2px solid var(--gray-900);
    background: transparent;
}

/* =================================
   Accordion
   ================================= */
.accordion-item {
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg) !important;
    margin-bottom: 0.75rem;
    overflow: hidden;
}

.accordion-button {
    font-weight: 600;
    padding: 1.25rem 1.5rem;
    background: var(--surface-primary);
    color: var(--text-primary);
}

.accordion-button:not(.collapsed) {
    background: var(--gray-50);
    color: var(--text-primary);
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: 0 0 0 3px rgba(113, 113, 122, 0.15);
}

.accordion-button::after {
    transition: transform var(--transition-base);
}

.accordion-body {
    padding: 1.25rem 1.5rem;
    color: var(--text-secondary);
}

/* =================================
   Tables
   ================================= */
.table {
    --bs-table-bg: transparent;
}

.table th {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
    border-bottom: 2px solid var(--border-light);
    padding: 1rem;
}

.table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-secondary);
    vertical-align: middle;
}

.table-hover tbody tr:hover {
    background: var(--gray-50);
}

/* =================================
   Alerts
   ================================= */
.alert {
    border: none;
    border-radius: var(--radius-lg);
    padding: 1rem 1.25rem;
    font-size: 0.9375rem;
}

.alert-primary {
    background: var(--gray-100);
    color: var(--gray-800);
}

.alert-success {
    background: var(--gray-100);
    color: var(--gray-800);
    border-left: 4px solid var(--gray-600);
}

.alert-warning {
    background: var(--gray-100);
    color: var(--gray-800);
    border-left: 4px solid var(--gray-500);
}

.alert-danger {
    background: var(--gray-100);
    color: var(--gray-800);
    border-left: 4px solid var(--gray-700);
}

/* =================================
   Tooltips & Popovers
   ================================= */
.tooltip-inner {
    background: var(--gray-900);
    font-size: 0.8125rem;
    padding: 0.5rem 0.875rem;
    border-radius: var(--radius-md);
}

.popover {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

/* =================================
   Progress
   ================================= */
.progress {
    height: 8px;
    border-radius: var(--radius-full);
    background: var(--gray-200);
    overflow: hidden;
}

.progress-bar {
    background: var(--gray-700);
    border-radius: var(--radius-full);
}

/* =================================
   Dividers
   ================================= */
hr {
    border: none;
    height: 1px;
    background: var(--border-light);
    margin: 2rem 0;
}

.divider-text {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-muted);
    font-size: 0.8125rem;
}

.divider-text::before,
.divider-text::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-light);
}

/* =================================
   Footer - Refined Dark
   ================================= */
footer {
    background: var(--gray-950) !important;
    color: var(--gray-400);
    padding: 4rem 0 2rem;
}

footer h5,
footer h6 {
    color: var(--gray-50);
    font-weight: 700;
    margin-bottom: 1.5rem;
}

footer a {
    color: var(--gray-400);
    transition: color var(--transition-fast);
}

footer a:hover {
    color: var(--gray-50);
}

footer p {
    color: var(--gray-500);
}

footer hr {
    background: var(--gray-800);
    margin: 3rem 0 2rem;
}

/* =================================
   Utility Classes
   ================================= */
.text-gradient {
    background: linear-gradient(135deg, var(--gray-600) 0%, var(--gray-900) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-subtle {
    background: var(--gray-50);
}

.bg-muted {
    background: var(--gray-100);
}

.border-subtle {
    border-color: var(--border-light) !important;
}

.shadow-soft {
    box-shadow: var(--shadow-md);
}

.shadow-elevated {
    box-shadow: var(--shadow-xl);
}

.rounded-xl {
    border-radius: var(--radius-xl) !important;
}

.rounded-2xl {
    border-radius: var(--radius-2xl) !important;
}

.hover-lift {
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.hover-scale {
    transition: transform var(--transition-base);
}

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

.cursor-pointer {
    cursor: pointer;
}

.hidden {
    display: none !important;
}

.overflow-hidden {
    overflow: hidden;
}

/* Text utilities */
.text-primary-custom {
    color: var(--text-primary) !important;
}

.text-secondary-custom {
    color: var(--text-secondary) !important;
}

.text-muted-custom {
    color: var(--text-muted) !important;
}

/* =================================
   Loading States
   ================================= */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--gray-800);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.skeleton {
    background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* =================================
   Animation Utilities
   ================================= */
.fade-in {
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.slide-up {
    animation: slideUp 0.4s ease-out;
}

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

/* =================================
   Section Spacing
   ================================= */
.section {
    padding: var(--space-20) 0;
}

.section-lg {
    padding: var(--space-24) 0;
}

.section-sm {
    padding: var(--space-12) 0;
}

/* =================================
   Logo Preview Area
   ================================= */
.logo-preview {
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    border: 2px dashed var(--border-default);
}

/* =================================
   Color Palette
   ================================= */
.color-swatch {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 2px solid transparent;
}

.color-swatch:hover {
    transform: scale(1.1);
}

.color-swatch.selected {
    border-color: var(--gray-900);
    box-shadow: 0 0 0 3px var(--gray-300);
}

/* =================================
   Workspace Dashboard
   ================================= */
.workspace-sidebar {
    background: var(--surface-primary);
    border-right: 1px solid var(--border-light);
    min-height: calc(100vh - 60px);
}

.workspace-nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.workspace-nav-item:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

.workspace-nav-item.active {
    background: var(--gray-900);
    color: var(--gray-50);
}

/* =================================
   Platform Icons
   ================================= */
.platform-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.platform-icon:hover {
    background: var(--gray-200);
    transform: translateY(-2px);
}

.platform-icon i {
    font-size: 1.5rem;
    color: var(--gray-600);
}

/* =================================
   Payment/Checkout Styles
   ================================= */
#card-element {
    border: 1.5px solid var(--border-default);
    padding: 0.875rem 1rem;
    border-radius: var(--radius-md);
    background: var(--surface-primary);
    transition: all var(--transition-fast);
}

#card-element.StripeElement--focus {
    border-color: var(--gray-500);
    box-shadow: 0 0 0 3px rgba(113, 113, 122, 0.15);
}

/* =================================
   Step Numbers
   ================================= */
.step-number {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--gray-100);
    color: var(--gray-700);
    border-radius: var(--radius-lg);
}

.step-number.active {
    background: var(--gray-900);
    color: var(--gray-50);
}

/* =================================
   Responsive Adjustments
   ================================= */
@media (max-width: 992px) {
    .hero-title {
        font-size: 2.5rem;
    }

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

    .section {
        padding: var(--space-16) 0;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-section {
        padding: var(--space-16) 0;
    }

    .feature-card {
        padding: 1.5rem;
    }

    .pricing-card {
        padding: 2rem;
    }

    .section {
        padding: var(--space-12) 0;
    }

    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
}

@media (max-width: 576px) {
    .btn-lg {
        padding: 0.75rem 1.25rem;
        font-size: 0.9375rem;
    }

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

    .card-body {
        padding: 1.25rem;
    }

    .pricing-price {
        font-size: 2.5rem;
    }
}

/* =================================
   Print Styles
   ================================= */
@media print {
    .navbar,
    footer,
    .btn,
    .no-print {
        display: none !important;
    }

    body {
        font-size: 12pt;
        background: white;
        color: black;
    }

    .card {
        border: 1px solid #ccc;
        box-shadow: none;
    }
}

/* =================================
   Accessibility
   ================================= */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus visible for keyboard navigation */
:focus-visible {
    outline: 2px solid var(--gray-500);
    outline-offset: 2px;
}

/* Skip to main content link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--gray-900);
    color: var(--gray-50);
    padding: 8px 16px;
    z-index: 10000;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 0;
}