/* =============================================================================
   QUILLPO - MODERN LANDING PAGE STYLES
   A beautiful, clean, and professional design system
   ============================================================================= */

/* =============================================================================
   1. CSS CUSTOM PROPERTIES & DESIGN TOKENS
   ============================================================================= */

:root {
    /* Colors */
    --primary-50: #eef2ff;
    --primary-100: #e0e7ff;
    --primary-200: #c7d2fe;
    --primary-300: #a5b4fc;
    --primary-400: #818cf8;
    --primary-500: #6366f1;
    --primary-600: #667eea;
    --primary-700: #5a6fd8;
    --primary-800: #4c5bc4;
    --secondary-600: #764ba2;
    --secondary-700: #6a4190;
    
    --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;
    
    --white: #ffffff;
    --black: #000000;
    
    --success-500: #10b981;
    --success-100: #d1fae5;
    --warning-500: #f59e0b;
    --warning-100: #fef3c7;
    
    /* Typography */
    --font-family-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-family-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;
    
    /* Font Sizes */
    --text-xs: 0.75rem;    /* 12px */
    --text-sm: 0.875rem;   /* 14px */
    --text-base: 1rem;     /* 16px */
    --text-lg: 1.125rem;   /* 18px */
    --text-xl: 1.25rem;    /* 20px */
    --text-2xl: 1.5rem;    /* 24px */
    --text-3xl: 1.875rem;  /* 30px */
    --text-4xl: 2.25rem;   /* 36px */
    --text-5xl: 3rem;      /* 48px */
    --text-6xl: 3.75rem;   /* 60px */
    --text-7xl: 4.5rem;    /* 72px */
    
    /* Spacing */
    --space-1: 0.25rem;    /* 4px */
    --space-2: 0.5rem;     /* 8px */
    --space-3: 0.75rem;    /* 12px */
    --space-4: 1rem;       /* 16px */
    --space-5: 1.25rem;    /* 20px */
    --space-6: 1.5rem;     /* 24px */
    --space-8: 2rem;       /* 32px */
    --space-10: 2.5rem;    /* 40px */
    --space-12: 3rem;      /* 48px */
    --space-16: 4rem;      /* 64px */
    --space-20: 5rem;      /* 80px */
    --space-24: 6rem;      /* 96px */
    --space-32: 8rem;      /* 128px */
    
    /* 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);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Borders */
    --border-radius-sm: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    --border-radius-2xl: 1.5rem;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
    
    /* Layout */
    --max-width-xs: 20rem;
    --max-width-sm: 24rem;
    --max-width-md: 28rem;
    --max-width-lg: 32rem;
    --max-width-xl: 36rem;
    --max-width-2xl: 42rem;
    --max-width-3xl: 48rem;
    --max-width-4xl: 56rem;
    --max-width-5xl: 64rem;
    --max-width-6xl: 72rem;
    --max-width-7xl: 80rem;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-popover: 1050;
    --z-tooltip: 1060;
}

/* =============================================================================
   2. RESET & BASE STYLES
   ============================================================================= */

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--space-20);
}

body {
    font-family: var(--font-family-sans);
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--gray-700);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

::selection {
    background-color: var(--primary-600);
    color: var(--white);
}

:focus-visible {
    outline: 2px solid var(--primary-600);
    outline-offset: 2px;
}

/* =============================================================================
   3. TYPOGRAPHY
   ============================================================================= */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
    margin-bottom: var(--space-4);
}

h1 {
    font-size: var(--text-5xl);
    letter-spacing: -0.025em;
}

h2 {
    font-size: var(--text-4xl);
    letter-spacing: -0.025em;
}

h3 {
    font-size: var(--text-3xl);
}

h4 {
    font-size: var(--text-2xl);
}

h5 {
    font-size: var(--text-xl);
}

h6 {
    font-size: var(--text-lg);
}

p {
    margin-bottom: var(--space-4);
    color: var(--gray-600);
}

a {
    color: var(--primary-600);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-700);
}

strong {
    font-weight: 600;
    color: var(--gray-800);
}

/* =============================================================================
   4. LAYOUT & CONTAINERS
   ============================================================================= */

.container {
    max-width: var(--max-width-7xl);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--space-6);
    padding-right: var(--space-6);
}

.section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-24) 0;
}

.section-content {
    width: 100%;
    max-width: var(--max-width-6xl);
    margin: 0 auto;
    text-align: center;
}

/* =============================================================================
   5. BUTTONS & INTERACTIVE ELEMENTS
   ============================================================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
    font-weight: 600;
    line-height: 1;
    border: 2px solid transparent;
    border-radius: var(--border-radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--secondary-600) 100%);
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    color: var(--white);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-600);
    border-color: var(--primary-600);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--primary-600);
    color: var(--white) !important;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-ghost {
    background: transparent;
    color: var(--gray-600);
    border-color: var(--gray-300);
}

.btn-ghost:hover {
    background: var(--gray-50);
    color: var(--gray-800);
    border-color: var(--gray-400);
}

.btn-lg {
    padding: var(--space-5) var(--space-10);
    font-size: var(--text-lg);
}

.btn-sm {
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-sm);
}

/* =============================================================================
   6. HEADER & NAVIGATION
   ============================================================================= */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: calc(var(--z-modal) + 5);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 30px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: calc(var(--z-modal) + 10);
}

.mobile-menu-toggle span {
    width: 100%;
    height: 3px;
    background: var(--gray-700);
    border-radius: 2px;
    transition: all 0.3s ease;
    transform-origin: center;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--space-20);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--gray-900);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.logo:hover {
    color: var(--gray-900);
    text-decoration: none;
}

.logo-icon {
    width: var(--space-8);
    height: var(--space-8);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-link {
    font-weight: 500;
    color: var(--gray-600);
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-600);
    transition: width var(--transition-base);
}

.nav-link:hover {
    color: var(--gray-900);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link.active {
    color: var(--primary-600);
}

/* =============================================================================
   7. HERO SECTION
   ============================================================================= */

.hero {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 25% 25%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(118, 75, 162, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

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

.hero-title {
    font-size: var(--text-6xl);
    font-weight: 800;
    margin-bottom: var(--space-6);
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--primary-600) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.4;
}

.hero-subtitle {
    font-size: var(--text-xl);
    color: var(--gray-600);
    margin-bottom: var(--space-12);
    max-width: var(--max-width-2xl);
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

/* =============================================================================
   8. FEATURES SECTION
   ============================================================================= */

.features {
    background: var(--white);
    scroll-margin-top: var(--space-20);
}

.features-header {
    margin-bottom: var(--space-16);
}

.features-title {
    font-size: var(--text-5xl);
    margin-bottom: var(--space-4);
    position: relative;
}

.typewriter {
    position: relative;
}

.typewriter::after {
    content: '|';
    color: var(--primary-600);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.features-subtitle {
    font-size: var(--text-xl);
    color: var(--gray-600);
    max-width: var(--max-width-2xl);
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-24);
}

.feature-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.feature-item:nth-child(even) {
    direction: rtl;
}

.feature-item:nth-child(even) .feature-content {
    direction: ltr;
}

.feature-media {
    position: relative;
    border-radius: var(--border-radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
    transition: transform var(--transition-slow);
    cursor: pointer;
}

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

.feature-media video {
    width: 100%;
    height: auto;
    display: block;
}

.feature-content {
    text-align: left;
}

.feature-title {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-4);
    color: var(--gray-900);
}

.feature-description {
    font-size: var(--text-lg);
    color: var(--gray-600);
    margin-bottom: var(--space-6);
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) 0;
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--gray-700);
}

.feature-list-item::before {
    content: '✓';
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--space-6);
    height: var(--space-6);
    background: var(--success-100);
    color: var(--success-500);
    border-radius: 50%;
    font-weight: 700;
    font-size: var(--text-sm);
    flex-shrink: 0;
}

/* =============================================================================
   9. REVIEWS SECTION
   ============================================================================= */

.reviews {
    background: var(--gray-50);
    scroll-margin-top: var(--space-20);
}

.reviews-carousel {
    position: relative;
    max-width: var(--max-width-4xl);
    margin: 0 auto;
}

.review-item {
    display: none;
    align-items: center;
    gap: var(--space-8);
    padding: var(--space-12);
    background: var(--white);
    border-radius: var(--border-radius-2xl);
    box-shadow: var(--shadow-lg);
    margin: var(--space-4);
}

.review-item.active {
    display: flex;
}

.review-avatar {
    flex-shrink: 0;
}

.review-avatar img {
    width: var(--space-20);
    height: var(--space-20);
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--gray-100);
}

.review-content {
    flex: 1;
    text-align: left;
}

.review-stars {
    display: flex;
    gap: var(--space-1);
    margin-bottom: var(--space-4);
}

.review-star {
    color: var(--warning-500);
    font-size: var(--text-xl);
}

.review-text {
    font-size: var(--text-lg);
    color: var(--gray-700);
    font-style: italic;
    margin-bottom: var(--space-4);
    line-height: 1.6;
}

.review-author {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-1);
}

.review-role {
    font-size: var(--text-sm);
    color: var(--gray-500);
}

.review-dots {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    margin-top: var(--space-8);
}

.review-dot {
    width: var(--space-3);
    height: var(--space-3);
    border-radius: 50%;
    background: var(--gray-300);
    cursor: pointer;
    transition: all var(--transition-base);
    border: none;
}

.review-dot.active {
    background: var(--primary-600);
    transform: scale(1.2);
}

.review-dot:hover {
    background: var(--primary-400);
}

/* =============================================================================
   10. PRICING SECTION
   ============================================================================= */

.pricing {
    background: var(--white);
    scroll-margin-top: var(--space-20);
}

.pricing-header {
    margin-bottom: var(--space-16);
}

.pricing-title {
    font-size: var(--text-5xl);
    margin-bottom: var(--space-4);
    color: var(--gray-900);
}

.pricing-subtitle {
    font-size: var(--text-xl);
    color: var(--gray-600);
    max-width: var(--max-width-2xl);
    margin: 0 auto;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
    max-width: 1200px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius-2xl);
    padding: var(--space-6);
    position: relative;
    transition: all var(--transition-slow);
    box-shadow: var(--shadow-sm);
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-200);
}

.pricing-card.featured {
    border-color: var(--primary-600);
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
    transform: scale(1.02);
    z-index: 2;
}

.pricing-card.featured .pricing-plan-name {
    color: #111827 !important;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    font-size: 24px !important;
    font-weight: 700 !important;
    margin-bottom: 16px !important;
    text-align: center !important;
}

.pricing-card.featured::before {
    content: 'Most Popular';
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--secondary-600) 100%);
    color: var(--white);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--border-radius-lg);
    font-size: var(--text-xs);
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    z-index: 3;
}

.pricing-plan-name {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-4);
    position: relative;
    z-index: 1;
}

.pricing-plan-price {
    font-size: var(--text-5xl);
    font-weight: 800;
    color: var(--primary-600);
    margin-bottom: var(--space-8);
}

.pricing-plan-price .period {
    font-size: var(--text-xl);
    color: var(--gray-500);
    font-weight: 400;
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--space-8);
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-700);
}

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

.pricing-features li::before {
    content: '✓';
    color: var(--success-500);
    font-weight: 700;
    font-size: var(--text-base);
}

.pricing-features li strong {
    color: var(--gray-900);
}

/* =============================================================================
   11. FOOTER
   ============================================================================= */

.footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-8);
}

.footer-section h3 {
    color: var(--white);
    font-size: var(--text-lg);
    margin-bottom: var(--space-4);
}

.footer-section p {
    color: var(--gray-400);
    line-height: 1.6;
}

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

.footer-section a:hover {
    color: var(--white);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.social-media {
    display: flex;
    gap: var(--space-6);
    margin-top: var(--space-6);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gray-700);
    color: var(--gray-400);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.social-link:hover {
    background: var(--primary-600);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-8);
    border-top: 1px solid var(--gray-700);
    color: var(--gray-500);
}

/* =============================================================================
   12. CONTENT PAGES (Terms & Privacy)
   ============================================================================= */

.content-page {
    background: var(--white);
    padding: var(--space-32) 0;
}

.content-wrapper {
    max-width: var(--max-width-4xl);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.content-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.content-title {
    font-size: var(--text-5xl);
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: var(--space-4);
}

.content-meta {
    color: var(--gray-500);
    font-size: var(--text-lg);
}

.content-body {
    max-width: var(--max-width-3xl);
    margin: 0 auto;
    color: var(--gray-700);
    line-height: 1.8;
}

.content-body h2 {
    font-size: var(--text-3xl);
    color: var(--gray-900);
    margin: var(--space-12) 0 var(--space-6) 0;
}

.content-body h3 {
    font-size: var(--text-2xl);
    color: var(--gray-900);
    margin: var(--space-8) 0 var(--space-4) 0;
}

.content-body p {
    margin-bottom: var(--space-6);
}

.content-body ul {
    margin: var(--space-4) 0 var(--space-6) var(--space-8);
}

.content-body li {
    margin-bottom: var(--space-2);
}

.content-contact {
    background: var(--gray-50);
    border-radius: var(--border-radius-xl);
    padding: var(--space-8);
    margin: var(--space-12) 0;
    text-align: center;
}

.content-contact h3 {
    color: var(--gray-900);
    margin-bottom: var(--space-4);
}

.content-contact a {
    color: var(--primary-600);
    font-weight: 600;
    font-size: var(--text-lg);
}

.content-disclaimer {
    background: var(--gray-50);
    border-radius: var(--border-radius-lg);
    padding: var(--space-6);
    margin: var(--space-8) 0;
    text-align: center;
    font-size: var(--text-sm);
    color: var(--gray-500);
    font-style: italic;
}

/* =============================================================================
   13. VIDEO MODAL
   ============================================================================= */

.video-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.98);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    backdrop-filter: blur(4px);
}

.video-modal.show {
    display: flex;
}

.video-modal-content {
    position: relative;
    width: 90%;
    max-width: var(--max-width-5xl);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
}

.video-modal-close {
    position: absolute;
    top: -var(--space-12);
    right: 0;
    background: var(--white);
    color: var(--gray-900);
    width: var(--space-10);
    height: var(--space-10);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xl);
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-lg);
}

.video-modal-close:hover {
    background: var(--gray-100);
    transform: scale(1.1);
}

.video-modal video {
    width: 100%;
    height: auto;
}

/* =============================================================================
   14. RESPONSIVE DESIGN
   ============================================================================= */

@media (max-width: 1024px) {
    .hero-title {
        font-size: var(--text-5xl);
    }
    
    .features-title,
    .pricing-title {
        font-size: var(--text-4xl);
    }
    
    .feature-item {
        grid-template-columns: 1fr;
        gap: var(--space-12);
        text-align: center;
    }
    
    .feature-item:nth-child(even) {
        direction: ltr;
    }
    
    .feature-content {
        text-align: center;
    }
    
    .pricing-card.featured {
        transform: none;
    }
}

@media (max-width: 1024px) {
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-3);
        max-width: 100%;
        padding: 0 var(--space-4);
    }
    
    .pricing-card {
        padding: var(--space-4);
    }
    
    .pricing-card.featured {
        transform: scale(1.0);
    }
}

@media (max-width: 768px) {
    :root {
        --space-24: 4rem;
        --space-32: 6rem;
    }
    
    .container {
        padding-left: var(--space-4);
        padding-right: var(--space-4);
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .header-container {
        height: var(--space-20);
        padding: 0;
    }
    
    /* Hide navigation inside header on mobile */
    .nav {
        display: none !important;
    }
    
    
    .hero-title {
        font-size: var(--text-4xl);
    }
    
    .hero-subtitle {
        font-size: var(--text-lg);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: var(--max-width-xs);
    }
    
    .features-title,
    .pricing-title {
        font-size: var(--text-3xl);
    }
    
    .feature-title {
        font-size: var(--text-2xl);
    }
    
    .features-grid {
        gap: var(--space-16);
    }
    
    .review-item {
        flex-direction: column;
        text-align: center;
        gap: var(--space-6);
    }
    
    .review-content {
        text-align: center;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .content-title {
        font-size: var(--text-3xl);
    }
    
    .content-body h2 {
        font-size: var(--text-2xl);
    }
    
    .content-body h3 {
        font-size: var(--text-xl);
    }
    
    .video-modal-content {
        width: 95%;
    }
    
    .video-modal-close {
        top: -var(--space-8);
    }
    
    
    /* Slide in animation for nav items */
    @keyframes slideInFromRight {
        to {
            transform: translateX(0);
            opacity: 1;
        }
    }
}

@media (max-width: 480px) {
    .container {
        padding-left: var(--space-3);
        padding-right: var(--space-3);
    }
    
    .hero-title {
        font-size: var(--text-3xl);
    }
    
    .features-title,
    .pricing-title {
        font-size: var(--text-2xl);
    }
    
    .feature-title {
        font-size: var(--text-xl);
    }
    
    .review-avatar img {
        width: var(--space-16);
        height: var(--space-16);
    }
    
    .pricing-plan-price {
        font-size: var(--text-3xl);
    }
    
    .nav {
        padding: var(--space-4);
    }
    
    .logo {
        font-size: var(--text-lg);
    }
    
    .hero-subtitle {
        font-size: var(--text-base);
    }
    
    .section {
        padding: var(--space-16) 0;
    }
}

/* =============================================================================
   15. UTILITIES & ANIMATIONS
   ============================================================================= */

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-slow);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--secondary-600) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* =============================================================================
   16. PERFORMANCE OPTIMIZATIONS
   ============================================================================= */

.will-change-transform {
    will-change: transform;
}

.will-change-opacity {
    will-change: opacity;
}

.gpu-accelerated {
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* =============================================================================
   16. MOBILE NAVIGATION (OUTSIDE HEADER)
   ============================================================================= */

/* Mobile Navigation Drawer - Completely outside header */
.mobile-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: var(--max-width-xs);
    background: var(--white);
    display: flex;
    flex-direction: column;
    padding: var(--space-24) var(--space-6) var(--space-6);
    gap: var(--space-2);
    transform: translateX(100%);
    visibility: hidden;
    transition: transform var(--transition-slow), visibility var(--transition-slow);
    box-shadow: var(--shadow-2xl);
    z-index: var(--z-modal);
    border-left: 1px solid var(--gray-200);
    overflow-y: auto;
}


.mobile-nav.nav-open {
    transform: translateX(0);
    visibility: visible;
}

.mobile-nav .mobile-nav-link {
    display: block;
    width: 100%;
    padding: var(--space-4) var(--space-6);
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--gray-600);
    text-decoration: none;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
    position: relative;
    box-sizing: border-box;
}

.mobile-nav .mobile-nav-link:first-child {
    margin-top: var(--space-12);
}

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

.mobile-nav .mobile-nav-link.active {
    background: var(--gray-100);
    color: var(--primary-600);
    font-weight: 600;
}

.mobile-nav .mobile-nav-link.active::after {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 60%;
    background: var(--primary-600);
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
}

.mobile-nav .btn {
    margin-top: var(--space-8);
    width: 100%;
    padding: var(--space-4) var(--space-6);
    justify-content: center;
    box-sizing: border-box;
    text-align: center;
}

/* Mobile backdrop */
.mobile-nav-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
    z-index: calc(var(--z-modal) - 1);
    pointer-events: none;
}

.mobile-nav-backdrop.show {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* Hide mobile nav on desktop */
@media (min-width: 769px) {
    .mobile-nav,
    .mobile-nav-backdrop {
        display: none;
    }
}

/* =============================================================================
   17. ACCESSIBILITY
   ============================================================================= */

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* =============================================================================
   18. PRINT STYLES
   ============================================================================= */

@media print {
    * {
        background: transparent !important;
        color: black !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }
    
    .header,
    .footer,
    .video-modal {
        display: none !important;
    }
    
    .section {
        min-height: auto;
        page-break-inside: avoid;
    }
}