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

:root {
    /* Color Palette */
    --primary-blue: #2563EB;
    --primary-blue-dark: #1E40AF;
    --primary-blue-light: #60A5FA;
    --secondary-purple: #8B5CF6;
    --success-green: #10B981;
    --warning-orange: #F59E0B;
    --danger-red: #EF4444;

    /* Neutral Colors */
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;

    /* Typography */
    --font-family: '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: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-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);
    --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-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-900);
    background: #FFFFFF;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

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

/* ===========================
   Typography
   =========================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
}

h1 {
    font-size: var(--font-size-5xl);
}

h2 {
    font-size: var(--font-size-4xl);
}

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

/* ===========================
   Buttons
   =========================== */
.btn-primary,
.btn-secondary,
.btn-outline,
.btn-outline-white {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    font-size: var(--font-size-base);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
    text-align: center;
}

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

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

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

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

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

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

.btn-outline-white {
    background: transparent;
    border-color: white;
    color: white;
}

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

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

.btn-full {
    width: 100%;
}

/* ===========================
   Navigation
   =========================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: var(--font-size-xl);
    color: var(--gray-900);
}

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

.nav-links a {
    font-weight: 500;
    color: var(--gray-600);
    transition: color var(--transition-base);
}

.nav-links a:hover {
    color: var(--primary-blue);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--gray-900);
    transition: var(--transition-base);
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(180deg, var(--gray-50) 0%, white 100%);
    margin-top: 72px;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.badge-icon {
    font-size: var(--font-size-lg);
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    max-width: 700px;
    margin: 0 auto;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--gray-200);
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--primary-blue);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.hero-image {
    margin-top: var(--spacing-3xl);
}

/* Dashboard Preview */
.dashboard-preview {
    background: white;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
    max-width: 900px;
    margin: 0 auto;
}

.browser-chrome {
    background: var(--gray-100);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 1px solid var(--gray-200);
}

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

.chrome-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gray-300);
}

.chrome-address {
    flex: 1;
    background: white;
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

.dashboard-content {
    padding: var(--spacing-xl);
}

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

.status-badge {
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.status-badge.success {
    background: #D1FAE5;
    color: #065F46;
}

.progress-rings {
    display: flex;
    gap: var(--spacing-xl);
    justify-content: center;
    margin-bottom: var(--spacing-xl);
}

.ring-item {
    position: relative;
}

.ring-label {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.ring-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--gray-900);
}

.ring-text {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.dashboard-list {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.list-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: var(--font-size-sm);
    color: var(--gray-700);
}

.check-icon {
    width: 20px;
    height: 20px;
    background: var(--success-green);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    flex-shrink: 0;
}

.pending-icon {
    width: 20px;
    height: 20px;
    background: var(--warning-orange);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    flex-shrink: 0;
}

/* ===========================
   Trust Section
   =========================== */
.trust-section {
    padding: var(--spacing-2xl) 0;
    background: white;
}

.trust-label {
    text-align: center;
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-500);
    margin-bottom: var(--spacing-lg);
}

.trust-badges {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.trust-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.badge-logo {
    width: 80px;
    height: 80px;
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-sm);
    color: var(--primary-blue);
}

.trust-badge span {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

/* ===========================
   Problem Section
   =========================== */
.problem-section {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
}

.section-header {
    margin-bottom: var(--spacing-2xl);
}

.section-header.centered {
    text-align: center;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--spacing-2xl);
}

.section-header h2 {
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
}

.section-badge {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    background: var(--primary-blue);
    color: white;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

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

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

.problem-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
}

.problem-icon.red {
    background: #FEE2E2;
}

.problem-icon.orange {
    background: #FED7AA;
}

.problem-icon.yellow {
    background: #FEF3C7;
}

.problem-icon.blue {
    background: #DBEAFE;
}

.problem-card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--gray-900);
}

.problem-card p {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
}

/* ===========================
   Solution/Features Section
   =========================== */
.solution-section {
    padding: var(--spacing-3xl) 0;
    background: white;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
}

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

.feature-icon {
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--gray-900);
}

.feature-card > p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: var(--font-size-sm);
    color: var(--gray-700);
}

.feature-list li::before {
    content: "✓";
    color: var(--success-green);
    font-weight: 700;
    flex-shrink: 0;
}

/* ===========================
   How It Works Section
   =========================== */
.how-it-works {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
}

.steps-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary-blue);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.step-content h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--gray-900);
}

.step-content p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
}

.step-visual {
    background: var(--gray-50);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
}

.integration-logos {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.logo-item {
    padding: 0.5rem 1rem;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-700);
}

.evidence-counter {
    text-align: center;
    padding: var(--spacing-md);
}

.counter-number {
    display: block;
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--primary-blue);
    margin-bottom: 0.25rem;
}

.counter-label {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.analysis-status {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.status-item {
    padding: 0.5rem 1rem;
    background: white;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.status-item.complete {
    border-left: 4px solid var(--success-green);
    color: var(--success-green);
}

.status-item.pending {
    border-left: 4px solid var(--warning-orange);
    color: var(--warning-orange);
}

.document-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.doc-item {
    padding: 0.5rem 1rem;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
}

.step-connector {
    width: 2px;
    height: 40px;
    background: var(--gray-300);
    margin-left: 30px;
}

/* ===========================
   Pricing Section
   =========================== */
.pricing-section {
    padding: var(--spacing-3xl) 0;
    background: white;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.pricing-card {
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    position: relative;
    transition: all var(--transition-base);
}

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

.pricing-card.featured {
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-lg);
}

.featured-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-blue);
    color: white;
    padding: 0.375rem 1rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
}

.pricing-header h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: 0.5rem;
}

.pricing-header p {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
}

.pricing-price {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.price-currency {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--gray-900);
    vertical-align: super;
}

.price-amount {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    color: var(--gray-900);
}

.price-period {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: var(--font-size-sm);
    color: var(--gray-700);
}

.pricing-features .check {
    color: var(--success-green);
    font-weight: 700;
    flex-shrink: 0;
}

.pricing-note {
    text-align: center;
    color: var(--gray-600);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-lg);
}

/* ===========================
   Testimonials Section
   =========================== */
.testimonials-section {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
}

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

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

.testimonial-stars {
    color: var(--warning-orange);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.testimonial-text {
    color: var(--gray-700);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--gray-200);
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: var(--primary-blue);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-sm);
}

.author-name {
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.author-title {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

/* ===========================
   CTA Section
   =========================== */
.cta-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-purple) 100%);
    color: white;
}

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

.cta-content h2 {
    color: white;
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
}

.cta-content > p {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.cta-note {
    font-size: var(--font-size-sm);
    opacity: 0.85;
}

/* ===========================
   Footer
   =========================== */
.footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: var(--font-size-xl);
    color: white;
    margin-bottom: var(--spacing-md);
}

.footer-col p {
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.footer-col h4 {
    color: white;
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-md);
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-col a {
    color: var(--gray-400);
    transition: color var(--transition-base);
}

.footer-col a:hover {
    color: white;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    transition: all var(--transition-base);
}

.social-links a:hover {
    background: var(--primary-blue);
    color: white;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-800);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: var(--font-size-5xl);
    }

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero {
        padding: 4rem 0 2rem;
    }

    .hero-title {
        font-size: var(--font-size-4xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-lg);
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

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

    .problem-grid,
    .feature-grid,
    .pricing-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .step {
        flex-direction: column;
    }

    .step-connector {
        margin-left: 0;
        width: 100%;
        height: 2px;
    }

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

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    h2 {
        font-size: var(--font-size-3xl);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .progress-rings {
        flex-direction: column;
        align-items: center;
    }
}

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Focus styles for accessibility */
*:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

button:focus,
a:focus {
    outline-offset: 4px;
}

/* ===========================
   Authentication Modals
   =========================== */
.auth-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.auth-modal.active {
    display: flex;
    opacity: 1;
}

.auth-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
}

.auth-modal-content {
    position: relative;
    background: white;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    padding: var(--spacing-2xl);
    animation: slideInUp 0.3s ease-out;
}

@keyframes slideInUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.auth-modal-close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    background: var(--gray-100);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-3xl);
    color: var(--gray-600);
    cursor: pointer;
    transition: all var(--transition-base);
    line-height: 1;
}

.auth-modal-close:hover {
    background: var(--gray-200);
    color: var(--gray-900);
    transform: rotate(90deg);
}

.auth-modal-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.auth-modal-header .logo {
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.auth-modal-header h2 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-sm);
    color: var(--gray-900);
}

.auth-modal-header p {
    color: var(--gray-600);
    font-size: var(--font-size-base);
}

/* ===========================
   Authentication Forms
   =========================== */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--gray-700);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"] {
    padding: 0.75rem 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    transition: all var(--transition-base);
    background: white;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group input::placeholder {
    color: var(--gray-400);
}

.form-group input.error {
    border-color: var(--danger-red);
}

.form-group input.error:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-error {
    font-size: var(--font-size-sm);
    color: var(--danger-red);
    display: none;
}

.form-error.visible {
    display: block;
}

/* Password Input */
.password-input-wrapper {
    position: relative;
}

.password-input-wrapper input {
    padding-right: 3rem;
}

.password-toggle {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition-base);
}

.password-toggle:hover {
    color: var(--gray-600);
}

.password-toggle:focus {
    outline: none;
    color: var(--primary-blue);
}

/* Password Strength Indicator */
.password-strength {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.password-strength-bar {
    width: 100%;
    height: 4px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.password-strength-fill {
    height: 100%;
    width: 0%;
    background: var(--gray-400);
    transition: all var(--transition-base);
    border-radius: var(--radius-full);
}

.password-strength-fill.weak {
    width: 33%;
    background: var(--danger-red);
}

.password-strength-fill.medium {
    width: 66%;
    background: var(--warning-orange);
}

.password-strength-fill.strong {
    width: 100%;
    background: var(--success-green);
}

.password-strength-text {
    font-size: var(--font-size-xs);
    color: var(--gray-600);
}

/* Form Options */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-sm);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-weight: 400;
    color: var(--gray-700);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary-blue);
}

.checkbox-label a {
    color: var(--primary-blue);
    text-decoration: underline;
}

.forgot-password {
    color: var(--primary-blue);
    font-weight: 500;
    transition: color var(--transition-base);
}

.forgot-password:hover {
    color: var(--primary-blue-dark);
}

/* Button Loading State */
.btn-loader {
    display: none;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

button.loading .btn-text {
    display: none;
}

button.loading .btn-loader {
    display: block;
}

/* Auth Divider */
.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--gray-200);
}

.auth-divider span {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
    white-space: nowrap;
}

/* Social Auth */
.social-auth {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-700);
    cursor: pointer;
    transition: all var(--transition-base);
}

.social-btn:hover {
    border-color: var(--gray-300);
    background: var(--gray-50);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

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

/* Auth Footer */
.auth-footer {
    text-align: center;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.auth-footer a {
    color: var(--primary-blue);
    font-weight: 600;
    transition: color var(--transition-base);
}

.auth-footer a:hover {
    color: var(--primary-blue-dark);
}

/* Login Button in Nav */
.login-btn {
    font-weight: 500;
    color: var(--gray-700);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.login-btn:hover {
    background: var(--gray-100);
    color: var(--primary-blue);
}

/* Responsive Auth Modals */
@media (max-width: 768px) {
    .auth-modal {
        padding: var(--spacing-md);
    }

    .auth-modal-content {
        padding: var(--spacing-lg);
        max-height: 95vh;
    }

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

    .social-auth {
        grid-template-columns: 1fr;
    }

    .auth-modal-header h2 {
        font-size: var(--font-size-2xl);
    }
}

@media (max-width: 480px) {
    .auth-modal-content {
        padding: var(--spacing-md);
    }

    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}