/* ==========================================
   CSS Variables & Reset
   ========================================== */
:root {
    /* Colors */
    --primary: #374151;
    --primary-dark: #1f2937;
    --primary-light: #4b5563;
    --secondary: #6b7280;
    --accent: #dc2626;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray: #64748b;
    --gray-light: #cbd5e1;
    --gray-lighter: #f1f5f9;
    --white: #ffffff;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #dc2626;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #374151 0%, #1f2937 100%);
    --gradient-secondary: linear-gradient(135deg, #6b7280 0%, #4b5563 100%);
    --gradient-accent: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3rem;

    /* 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);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

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

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--dark);
    background: var(--white);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
}

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

ul {
    list-style: none;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

/* ==========================================
   Container & Layout
   ========================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

/* ==========================================
   Typography
   ========================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: var(--font-size-2xl);
}

p {
    color: var(--gray);
    line-height: 1.8;
}

/* ==========================================
   Buttons
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: var(--font-size-base);
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

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

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

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--dark);
    border: 2px solid var(--gray-light);
}

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

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

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

.btn-large {
    padding: 1rem 2rem;
    font-size: var(--font-size-lg);
}

/* ==========================================
   Navigation
   ========================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary);
}

.logo i {
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-menu a {
    font-weight: 500;
    color: var(--dark);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

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

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

.language-switcher {
    display: flex;
    gap: 0.25rem;
    background: var(--gray-lighter);
    padding: 0.25rem;
    border-radius: var(--radius-lg);
}

.lang-btn {
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--gray);
    transition: var(--transition);
}

.lang-btn.active {
    background: var(--white);
    color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.5rem;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--dark);
    transition: var(--transition);
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
    background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
}

.hero-bg-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.35;
    mix-blend-mode: multiply;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    top: -200px;
    right: -200px;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    bottom: -100px;
    left: -100px;
    animation-delay: -5s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    top: 50%;
    left: 50%;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -50px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 30px) scale(0.9);
    }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-text {
    animation: fadeInUp 0.8s ease-out;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.5rem 1rem;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.hero-title {
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--dark) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-lg);
}

.stat-item {
    text-align: left;
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary);
}

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

.hero-visual {
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.dashboard-preview {
    background: var(--white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
    transform: perspective(1000px) rotateY(-5deg);
    transition: var(--transition);
}

.dashboard-preview:hover {
    transform: perspective(1000px) rotateY(0deg);
}

.dashboard-header {
    background: var(--dark);
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.dashboard-dots {
    display: flex;
    gap: 0.5rem;
}

.dashboard-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gray);
}

.dashboard-dots span:nth-child(1) {
    background: #ef4444;
}

.dashboard-dots span:nth-child(2) {
    background: #f59e0b;
}

.dashboard-dots span:nth-child(3) {
    background: #10b981;
}

.dashboard-title {
    color: var(--white);
    font-weight: 600;
}

.dashboard-content {
    padding: var(--spacing-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
}

.dashboard-card {
    padding: var(--spacing-md);
    background: var(--gray-lighter);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    transition: var(--transition);
}

.dashboard-card:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-5px);
}

.dashboard-card i {
    font-size: 2rem;
    color: var(--primary);
}

.dashboard-card:hover i {
    color: var(--white);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--primary);
    border-radius: var(--radius-full);
    position: relative;
}

.scroll-mouse::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--primary);
    border-radius: var(--radius-full);
    animation: scroll 2s ease-in-out infinite;
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(16px);
    }
}

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

/* ==========================================
   Trust Section
   ========================================== */
.trust-section {
    background: var(--white);
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--gray-lighter);
}

.trust-title {
    text-align: center;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--gray);
    margin-bottom: var(--spacing-md);
}

.trust-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.trust-logo {
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--gray);
    font-weight: 600;
    opacity: 0.6;
    transition: var(--transition);
}

.trust-logo:hover {
    opacity: 1;
    color: var(--primary);
}

/* ==========================================
   Section Headers
   ========================================== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-sm);
}

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

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto;
}

/* ==========================================
   Features Section
   ========================================== */
.features-section {
    background: var(--gray-lighter);
}

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

.feature-card {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.feature-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.feature-card h3 {
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-xl);
}

.feature-card p {
    color: var(--gray);
}

/* ==========================================
   Services Section
   ========================================== */
.services-section {
    background: var(--white);
}

.services-tabs {
    max-width: 1000px;
    margin: 0 auto;
}

.tabs-nav {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--gray-lighter);
    color: var(--gray);
    border-radius: var(--radius-lg);
    font-weight: 600;
    transition: var(--transition);
}

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

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

.tabs-content {
    position: relative;
}

.tab-panel {
    display: none;
    animation: fadeInUp 0.5s ease-out;
}

.tab-panel.active {
    display: block;
}

.service-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.service-text h3 {
    margin-bottom: var(--spacing-sm);
}

.service-text p {
    margin-bottom: var(--spacing-md);
}

.service-list {
    margin-bottom: var(--spacing-md);
}

.service-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: var(--gray);
}

.service-list i {
    color: var(--success);
}

.service-visual {
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    transition: var(--transition);
}

.service-image:hover {
    transform: scale(1.02);
    box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.3);
}

.service-image-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--accent) 100%);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-image-placeholder i {
    font-size: 6rem;
    color: rgba(255, 255, 255, 0.3);
}

/* ==========================================
   Benefits Section
   ========================================== */
.benefits-section {
    background: var(--dark);
    color: var(--white);
}

.benefits-section .section-badge {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
}

.benefits-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.benefits-text h2 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.benefits-text p {
    color: var(--gray-light);
    margin-bottom: var(--spacing-md);
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.benefit-item {
    display: flex;
    gap: var(--spacing-sm);
}

.benefit-icon {
    width: 50px;
    height: 50px;
    background: var(--primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.benefit-icon i {
    font-size: 1.25rem;
    color: var(--white);
}

.benefit-text h4 {
    color: var(--white);
    margin-bottom: 0.25rem;
}

.benefit-text p {
    font-size: var(--font-size-sm);
}

.benefits-visual {
    position: relative;
    height: 400px;
}

.benefits-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-2xl);
    opacity: 0.3;
    box-shadow: var(--shadow-2xl);
}

.benefits-cards {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
}

.floating-card {
    position: absolute;
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    animation: floatCard 6s ease-in-out infinite;
}

.floating-card i {
    font-size: 1.5rem;
    color: var(--primary);
}

.floating-card span {
    font-weight: 600;
    color: var(--dark);
}

.card-1 {
    top: 20%;
    left: 10%;
}

.card-2 {
    top: 50%;
    right: 10%;
    animation-delay: -2s;
}

.card-3 {
    bottom: 10%;
    left: 20%;
    animation-delay: -4s;
}

@keyframes floatCard {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* ==========================================
   Pricing Section
   ========================================== */
.pricing-section {
    background: var(--gray-lighter);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
}

.pricing-card.featured {
    border: 2px solid var(--primary);
}

.featured-badge {
    position: absolute;
    top: -15px;
    right: 20px;
    background: var(--primary);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--gray-lighter);
}

.pricing-header h3 {
    margin-bottom: var(--spacing-sm);
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    margin-bottom: var(--spacing-xs);
}

.currency {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary);
}

.amount {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    color: var(--primary);
}

.period {
    font-size: var(--font-size-base);
    color: var(--gray);
}

.pricing-features {
    margin-bottom: var(--spacing-md);
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    color: var(--gray);
}

.pricing-features li.disabled {
    opacity: 0.4;
}

.pricing-features i {
    color: var(--success);
}

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

/* ==========================================
   FAQ Section
   ========================================== */
.faq-section {
    background: var(--white);
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--gray-lighter);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    text-align: left;
    font-weight: 600;
    font-size: var(--font-size-lg);
    color: var(--dark);
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--primary);
}

.faq-question i {
    transition: var(--transition);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 var(--spacing-md) var(--spacing-md);
}

/* ==========================================
   Contact Section
   ========================================== */
.contact-section {
    background: var(--gray-lighter);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-lg);
    background: var(--white);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.contact-info {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    padding: var(--spacing-lg);
    color: var(--white);
}

.contact-info .section-badge {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.contact-info h2 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.contact-info p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-md);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.contact-detail {
    display: flex;
    gap: var(--spacing-sm);
}

.contact-detail i {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-detail h4 {
    color: var(--white);
    margin-bottom: 0.25rem;
    font-size: var(--font-size-base);
}

.contact-detail p {
    font-size: var(--font-size-sm);
}

.contact-form-wrapper {
    padding: var(--spacing-lg);
}

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

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

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.form-group input,
.form-group textarea {
    padding: 0.75rem;
    border: 2px solid var(--gray-lighter);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: var(--font-size-base);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.checkbox-label {
    display: inline-flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
    cursor: pointer;
}

.checkbox-label input {
    margin-top: 0.25rem;
    cursor: pointer;
    transform: scale(1.4);
    transform-origin: 0 0;
}

.form-message {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    display: none;
}

.form-message.success {
    display: block;
    background: #d1fae5;
    color: var(--success);
}

.form-message.error {
    display: block;
    background: #fee2e2;
    color: var(--error);
}

/* ==========================================
   Footer
   ========================================== */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.footer-column p {
    color: var(--gray-light);
    margin-bottom: var(--spacing-md);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.footer-column h4 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.footer-column ul li {
    margin-bottom: 0.5rem;
}

.footer-column ul li a {
    color: var(--gray-light);
    transition: var(--transition);
}

.footer-column ul li a:hover {
    color: var(--primary);
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.newsletter-privacy {
    font-size: 0.875rem;
}

.newsletter-privacy .checkbox-label {
    color: var(--gray-light);
    font-size: inherit;
}

.newsletter-privacy .checkbox-label input {
    margin-top: 0;
}

.newsletter-form input {
    flex: 1;
    padding: 0.75rem;
    border: none;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
}

.newsletter-form input::placeholder {
    color: var(--gray-light);
}

.newsletter-form button {
    align-self: flex-start;
    padding: 0.75rem 1rem;
    background: var(--primary);
    color: var(--white);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.newsletter-form button:hover {
    background: var(--primary-dark);
}

.footer-bottom {
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: var(--gray-light);
}

/* ==========================================
   Back to Top Button
   ========================================== */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: var(--white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
}

/* ==========================================
   Responsive Design
   ========================================== */
@media (max-width: 1024px) {
    .hero-content,
    .service-content,
    .benefits-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .hero-visual {
        order: -1;
    }

    .dashboard-preview {
        transform: none;
    }

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

@media (max-width: 768px) {
    section {
        padding: var(--spacing-lg) 0;
    }

    .nav-menu {
        display: none;
    }

    .mobile-toggle {
        display: flex;
    }

    .nav-menu.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }

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

    .tabs-nav {
        flex-direction: column;
    }

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

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

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

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

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .btn-large {
        padding: 0.875rem 1.5rem;
        font-size: var(--font-size-base);
    }

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