/* ============================================
   BUSINESS WEBSITE CARE - PREMIUM PROFESSIONAL STYLES
   ============================================ */

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

html {
    -webkit-text-size-adjust: 100%;
}

:root {
    /* Premium Color Palette - Light Mode */
    --primary: #0f172a;
    --primary-light: #1e293b;
    --accent: #1e40af;
    --accent-light: #3b82f6;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-tertiary: #64748b;
    --border: #e2e8f0;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --shadow-color: rgba(15, 23, 42, 0.08);
    --header-bg: rgba(255, 255, 255, 0.98);

    /* Professional Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;

    /* Spacing System */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

/* Dark Mode */
[data-theme="dark"] {
    --primary: #f1f5f9;
    --primary-light: #e2e8f0;
    --accent: #3b82f6;
    --accent-light: #60a5fa;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-tertiary: #94a3b8;
    --border: #334155;
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --header-bg: rgba(15, 23, 42, 0.95);
}

body {
    font-family: var(--font-sans);
    color: var(--text-primary);
    line-height: 1.7;
    background-color: var(--bg-secondary);
    font-size: 16px;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.3s ease, color 0.3s ease;
}

header, section, footer, .service-card, .portfolio-item, .pricing-card, .feature-item, .highlight-box, .pricing-note {
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

/* Premium Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-sans);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    letter-spacing: -0.025em;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; }
h2 { font-size: clamp(1.75rem, 4vw, 2.75rem); font-weight: 700; }
h3 { font-size: clamp(1.25rem, 3vw, 1.875rem); font-weight: 600; }
h4 { font-size: 1.25rem; font-weight: 600; }

p {
    margin-bottom: var(--space-sm);
    color: var(--text-secondary);
    line-height: 1.8;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Container System */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.container-narrow {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* Premium Header & Navigation */
header {
    background-color: var(--header-bg);
    backdrop-filter: blur(12px) saturate(180%);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 3px 0 rgba(15, 23, 42, 0.04), 0 1px 2px 0 rgba(15, 23, 42, 0.02);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

header.scrolled {
    box-shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -1px rgba(15, 23, 42, 0.04);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.125rem 0;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.035em;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0.5rem 0;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.logo::before {
    content: '';
    width: 6px;
    height: 6px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 0 0 rgba(30, 64, 175, 0.4);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(30, 64, 175, 0.4);
    }
    50% {
        box-shadow: 0 0 0 6px rgba(30, 64, 175, 0);
    }
}

.logo:hover {
    color: var(--accent);
    transform: translateY(-1px);
}

.nav-links {
    display: flex;
    gap: 0.5rem;
    list-style: none;
    align-items: center;
}

.nav-links li {
    position: relative;
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9375rem;
    position: relative;
    padding: 0.625rem 1rem;
    border-radius: var(--radius-md);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-block;
}

.nav-links a::before {
    content: '';
    position: absolute;
    bottom: 0.375rem;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent) 0%, var(--accent-light) 100%);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 2px;
}

.nav-links a:hover {
    color: var(--text-primary);
    background-color: rgba(30, 64, 175, 0.04);
}

.nav-links a:hover::before {
    width: calc(100% - 2rem);
}

.nav-links a.active {
    color: var(--accent);
    background-color: rgba(30, 64, 175, 0.08);
    font-weight: 600;
}

.nav-links a.active::before {
    width: calc(100% - 2rem);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--text-primary);
    padding: 0.5rem 0.75rem;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    line-height: 1;
}

.mobile-menu-toggle:hover {
    background-color: var(--bg-secondary);
    border-color: var(--text-tertiary);
    transform: translateY(-1px);
}

.mobile-menu-toggle:active {
    transform: translateY(0);
}

/* Theme Toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 0.375rem;
    margin-left: var(--space-lg);
}

.theme-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.375rem 0.625rem;
    border-radius: var(--radius-md);
    color: var(--text-tertiary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

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

.theme-btn.active {
    color: var(--bg-primary);
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    box-shadow: 0 2px 8px rgba(30, 64, 175, 0.2);
}

.theme-icon {
    font-size: 1rem;
    line-height: 1;
}

/* Premium Hero Section */
.hero {
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    padding: var(--space-3xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 1400px;
    height: 100%;
    background: radial-gradient(ellipse at top, rgba(59, 130, 246, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-brand {
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.hero h1 {
    max-width: 900px;
    margin: 0 auto var(--space-md);
    line-height: 1.1;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto var(--space-xl);
    font-weight: 400;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--space-xl);
}

/* Premium Button System */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-weight: 600;
    font-size: 0.9375rem;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    color: var(--bg-primary);
    box-shadow: 0 4px 14px 0 rgba(30, 64, 175, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px 0 rgba(30, 64, 175, 0.35);
}

.btn-primary:active {
    transform: translateY(0);
}

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

.btn-secondary:hover {
    background-color: var(--bg-secondary);
    border-color: var(--text-tertiary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary-light {
    background-color: transparent;
    color: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-secondary-light:hover {
    background-color: #ffffff;
    color: var(--primary);
    border-color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .btn-secondary-light:hover {
    background-color: var(--accent-light);
    color: #ffffff;
    border-color: var(--accent-light);
}

/* Section Styling */
section {
    padding: var(--space-3xl) 0;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-2xl);
}

.section-label {
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.section-title {
    margin-bottom: var(--space-sm);
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* About Section */
.about {
    background-color: var(--bg-primary);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-content p {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: var(--space-md);
}

.highlight-box {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    padding: var(--space-lg);
    border-radius: var(--radius-xl);
    margin-top: var(--space-xl);
    border-left: 4px solid var(--accent);
    box-shadow: var(--shadow-sm);
}

.highlight-box p {
    margin: 0;
    color: var(--text-primary);
}

[data-theme="dark"] .highlight-box {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(30, 64, 175, 0.1) 100%);
    border-left-color: var(--accent-light);
}

/* Premium Service Cards */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.service-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
    position: relative;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent) 0%, var(--accent-light) 100%);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    opacity: 0;
    transition: opacity 0.3s;
}

.service-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-8px);
    border-color: var(--accent);
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
    display: inline-block;
}

.service-card h3 {
    margin-bottom: var(--space-sm);
    font-size: 1.5rem;
}

.service-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.service-card ul {
    list-style: none;
    margin-top: var(--space-md);
}

.service-card ul li {
    padding: 0.625rem 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.75rem;
    font-size: 0.9375rem;
}

.service-card ul li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-xl);
}

.feature-item {
    text-align: center;
    padding: var(--space-lg);
    background-color: var(--bg-primary);
    border-radius: var(--radius-lg);
    transition: all 0.3s;
}

.feature-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
    display: inline-block;
}

.feature-item h4 {
    margin-bottom: var(--space-xs);
    font-size: 1.125rem;
}

.feature-item p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin: 0;
}

/* Premium Portfolio */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.portfolio-item {
    background-color: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-md);
}

.portfolio-item:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-8px);
    border-color: var(--accent);
}

.portfolio-image {
    width: 100%;
    height: 280px;
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.portfolio-image img {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.05);
}

.portfolio-content {
    padding: var(--space-xl);
}

.portfolio-item h3 {
    margin-bottom: var(--space-xs);
    font-size: 1.5rem;
}

.portfolio-item .project-type {
    font-size: 0.8125rem;
    color: var(--accent);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-sm);
    display: block;
}

.portfolio-item p {
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
    line-height: 1.7;
}

.work-list {
    list-style: none;
    margin: var(--space-md) 0;
}

.work-list li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
    position: relative;
    padding-left: 1.5rem;
}

.work-list li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
    font-size: 1.25rem;
}

.portfolio-link {
    display: inline-flex;
    align-items: center;
    margin-top: var(--space-sm);
    color: var(--accent);
    font-weight: 600;
    font-size: 0.9375rem;
}

.portfolio-link:hover {
    color: var(--accent-light);
    text-decoration: underline;
}

/* Premium Pricing Cards */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.pricing-card {
    background-color: var(--bg-primary);
    border: 2px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    box-shadow: var(--shadow-md);
}

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

.pricing-card.featured {
    border-color: var(--accent);
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    box-shadow: 0 8px 30px rgba(30, 64, 175, 0.15);
}

.pricing-card.featured:hover {
    box-shadow: 0 12px 40px rgba(30, 64, 175, 0.25);
}

[data-theme="dark"] .pricing-card.featured {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2) 0%, rgba(30, 64, 175, 0.15) 100%);
    border-color: var(--accent-light);
}

.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    color: var(--bg-primary);
    padding: 0.375rem 1.25rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
}

.pricing-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
}

.pricing-amount {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: var(--space-md) 0;
    letter-spacing: -0.025em;
    white-space: nowrap;
}

.pricing-period {
    font-size: 1rem;
    color: var(--text-tertiary);
    font-weight: 400;
}

.pricing-features {
    list-style: none;
    margin: var(--space-lg) 0;
    text-align: left;
}

.pricing-features li {
    padding: 0.875rem 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
    position: relative;
    padding-left: 2rem;
    font-size: 0.9375rem;
}

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

.pricing-features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
    font-size: 1.125rem;
}

.pricing-note {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    padding: var(--space-lg);
    border-radius: var(--radius-xl);
    margin-top: var(--space-xl);
    border-left: 4px solid var(--accent);
    box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .pricing-note {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(30, 64, 175, 0.1) 100%);
    border-left-color: var(--accent-light);
}

/* Premium Contact Form */
.contact-content {
    max-width: 650px;
    margin: 0 auto;
}

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

.contact-intro p {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

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

.form-group label {
    display: block;
    margin-bottom: var(--space-xs);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9375rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1.125rem;
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: all 0.2s;
    background-color: var(--bg-primary);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(30, 64, 175, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 160px;
}

.contact-info {
    margin-top: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border);
}

.contact-methods {
    display: grid;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    transition: all 0.2s;
}

.contact-method:hover {
    background-color: var(--bg-primary);
    box-shadow: var(--shadow-sm);
}

.contact-method-icon {
    font-size: 1.5rem;
}

.contact-method-details h4 {
    margin-bottom: 0.25rem;
    font-size: 1rem;
}

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

.contact-method-details a {
    color: var(--accent);
    font-weight: 600;
}

.contact-method-details a:hover {
    color: var(--accent-light);
    text-decoration: underline;
}

/* Premium CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 50%, var(--primary) 100%);
    color: #ffffff;
    text-align: center;
    padding: var(--space-3xl) 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(59, 130, 246, 0.2) 0%, transparent 60%);
    pointer-events: none;
}

.cta-section .container {
    position: relative;
    z-index: 1;
}

.cta-section h2 {
    color: #ffffff;
    margin-bottom: var(--space-sm);
}

.cta-section p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.25rem;
    margin-bottom: var(--space-lg);
}

.cta-section .btn-primary {
    background: #ffffff;
    color: var(--primary);
    box-shadow: 0 4px 14px 0 rgba(255, 255, 255, 0.25);
}

.cta-section .btn-primary:hover {
    background: var(--bg-secondary);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px 0 rgba(255, 255, 255, 0.35);
}

[data-theme="dark"] .cta-section {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
}

[data-theme="dark"] .cta-section .btn-primary {
    background: var(--accent-light);
    color: #ffffff;
}

[data-theme="dark"] .cta-section .btn-primary:hover {
    background: var(--accent);
}

/* Premium Footer */
footer {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: #ffffff;
    padding: var(--space-xl) 0 var(--space-lg);
    border-top: 1px solid var(--border);
}

[data-theme="dark"] footer {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    border-top-color: rgba(255, 255, 255, 0.1);
}

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

.footer-tagline {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: var(--space-md);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    list-style: none;
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
    font-weight: 500;
}

.footer-links a:hover {
    color: #ffffff;
}

.footer-copyright {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
    padding-top: var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Form Messages */
.form-success {
    background-color: #d1fae5;
    color: #065f46;
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-sm);
    border-left: 4px solid #10b981;
}

.form-error {
    background-color: #fee2e2;
    color: #991b1b;
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-sm);
    border-left: 4px solid #ef4444;
}

.error-message {
    display: none;
}

/* Utility Classes */
.text-center { text-align: center; }
.mt-1 { margin-top: var(--space-sm); }
.mt-2 { margin-top: var(--space-lg); }
.mt-3 { margin-top: var(--space-xl); }
.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-lg); }
.mb-3 { margin-bottom: var(--space-xl); }

/* Hide mobile theme toggle on desktop */
.mobile-theme-toggle {
    display: none;
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --space-3xl: 4rem;
        --space-2xl: 3rem;
    }

    .container,
    .container-narrow {
        padding: 0 var(--space-sm);
    }

    nav {
        position: relative;
        padding: var(--space-sm) 0;
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: nowrap;
    }

    .logo {
        flex: 0 1 auto;
        order: 1;
        font-size: 1rem;
    }

    .mobile-menu-toggle {
        display: block;
        order: 2;
        margin-left: auto;
        margin-right: 0;
        flex-shrink: 0;
    }

    .theme-toggle {
        display: none;
    }

    .theme-btn {
        padding: 0.375rem 0.5rem;
        font-size: 0.8125rem;
    }

    .nav-links {
        order: 3;
        display: none;
        position: absolute;
        top: calc(100% + 0.5rem);
        left: var(--space-sm);
        right: var(--space-sm);
        background-color: var(--header-bg);
        backdrop-filter: blur(12px) saturate(180%);
        flex-direction: column;
        gap: 0.25rem;
        padding: var(--space-sm);
        border: 1px solid var(--border);
        box-shadow: var(--shadow-xl);
        border-radius: var(--radius-lg);
        width: auto;
    }

    .mobile-theme-toggle {
        display: flex;
        gap: 0.5rem;
        padding: 0.875rem 1rem;
        justify-content: center;
        border-top: 1px solid var(--border);
        margin-top: 0.5rem;
        padding-top: 1rem;
    }

    .mobile-theme-toggle .theme-btn {
        flex: 1;
        max-width: 120px;
    }

    .nav-links.active {
        display: flex;
    }

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

    .nav-links a {
        width: 100%;
        padding: 0.875rem 1rem;
        border-radius: var(--radius-md);
        display: block;
    }

    .nav-links a::before {
        display: none;
    }

    .services-grid,
    .features-grid,
    .portfolio-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        padding: var(--space-2xl) 0;
    }

    section {
        padding: var(--space-2xl) 0;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .footer-links {
        flex-direction: column;
        gap: var(--space-sm);
    }

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

    .service-card,
    .pricing-card {
        padding: var(--space-lg);
    }

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

@media (max-width: 480px) {
    .pricing-amount {
        font-size: 2.25rem;
    }
}

/* Smooth Animations */
@media (prefers-reduced-motion: no-preference) {
    .fade-in {
        animation: fadeIn 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    }

    @keyframes fadeIn {
        from {
            opacity: 0;
            transform: translateY(30px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
}