/* ======================================
   KazyKards Marketing Website Styles
   ====================================== */

/* Root Variables */
:root {
    /* Colors */
    --primary-600: #6366f1;
    --primary-700: #5048e5;
    --primary-800: #4338ca;
    --primary-50: #eef2ff;
    --primary-100: #e0e7ff;
    
    --secondary-600: #10b981;
    --secondary-700: #059669;
    --secondary-50: #ecfdf5;
    
    --accent-600: #f59e0b;
    --accent-700: #d97706;
    --accent-50: #fffbeb;
    
    --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;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    --font-heading: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;   /* 4px */
    --spacing-sm: 0.5rem;    /* 8px */
    --spacing-md: 1rem;      /* 16px */
    --spacing-lg: 1.5rem;    /* 24px */
    --spacing-xl: 2rem;      /* 32px */
    --spacing-2xl: 3rem;     /* 48px */
    --spacing-3xl: 4rem;     /* 64px */
    --spacing-4xl: 6rem;     /* 96px */
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 200ms ease-in-out;
    --transition-slow: 300ms ease-in-out;
}

/* ======================================
   Reset & Base Styles
   ====================================== */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    color: var(--gray-900);
}

h1 { font-size: 3.5rem; font-weight: 800; }
h2 { font-size: 2.5rem; font-weight: 700; }
h3 { font-size: 1.875rem; font-weight: 600; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }
}

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

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

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

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

/* ======================================
   Utility Classes
   ====================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
}

.section {
    padding: var(--spacing-4xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    margin-bottom: var(--spacing-lg);
    color: var(--gray-900);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* ======================================
   Buttons
   ====================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-700), var(--primary-800));
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--white);
}

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

.btn-secondary:hover {
    background: var(--primary-50);
    color: var(--primary-700);
}

.btn-ghost {
    background: transparent;
    color: var(--gray-700);
}

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

/* ======================================
   Navigation
   ====================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

.navbar-scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.navbar-hidden {
    transform: translateY(-100%);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-brand {
    display: flex;
    align-items: center;
}

.brand-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-decoration: none;
    color: var(--gray-900);
}

.brand-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-600), var(--secondary-600));
    border-radius: var(--radius-lg);
}

.icon-brain {
    width: 24px;
    height: 24px;
    background: var(--white);
    border-radius: 50%;
    position: relative;
}

.icon-brain::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 16px;
    height: 16px;
    background: linear-gradient(45deg, var(--primary-600), var(--secondary-600));
    border-radius: 50%;
}

.brand-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
    margin: 0;
}

.nav-link {
    font-weight: 500;
    color: var(--gray-700);
    padding: var(--spacing-sm) 0;
    position: relative;
    transition: color var(--transition-fast);
}

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

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

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: var(--spacing-sm);
    background: none;
    border: none;
    outline: none;
    /* Ensure touch target is large enough for mobile */
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
}

.hamburger {
    width: 25px;
    height: 3px;
    background: var(--gray-700);
    margin: 3px 0;
    transition: var(--transition-base);
    border-radius: var(--radius-sm);
}

/* Mobile Navigation - Show hamburger menu on smaller screens */
@media (max-width: 768px) {
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-xl);
        border-top: 1px solid var(--gray-200);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
        z-index: 1000; /* Ensure menu appears above other content */
        /* Force hardware acceleration for smoother animations */
        will-change: transform, opacity, visibility;
        backface-visibility: hidden;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
        /* Add a subtle background for better visibility */
        background: var(--white) !important;
    }
    
    .nav-list {
        flex-direction: column;
        width: 100%;
        gap: var(--spacing-lg);
    }
    
    .nav-actions {
        width: 100%;
        margin-top: var(--spacing-lg);
        padding-top: var(--spacing-lg);
        border-top: 1px solid var(--gray-200);
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active .hamburger:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }
    
    .nav-toggle.active .hamburger:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active .hamburger:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }
}

/* Additional mobile support for very small screens */
@media (max-width: 480px) {
    .nav-toggle {
        padding: var(--spacing-xs);
    }
    
    .nav-menu {
        padding: var(--spacing-lg);
    }
    
    .hamburger {
        width: 22px;
        height: 2px;
    }
}

/* Force mobile menu visibility on all mobile screens */
@media (max-width: 768px) {
    .nav-menu.active {
        display: flex !important;
        flex-direction: column !important;
        transform: translateY(0) !important;
        opacity: 1 !important;
        visibility: visible !important;
        position: absolute !important;
        top: 100% !important;
        left: 0 !important;
        right: 0 !important;
        background: var(--white) !important;
        border-top: 1px solid var(--gray-200) !important;
        box-shadow: var(--shadow-lg) !important;
        z-index: 1000 !important;
    }
}

/* ======================================
   Main Content
   ====================================== */

.main-content {
    margin-top: 70px;
    min-height: calc(100vh - 70px);
}

/* ======================================
   Hero Section
   ====================================== */

.hero {
    position: relative;
    padding: var(--spacing-4xl) 0;
    min-height: 90vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-50) 0%, var(--white) 50%, var(--secondary-50) 100%);
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    position: relative;
    z-index: 2;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, var(--gray-900), var(--primary-600));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

@media (max-width: 640px) {
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

@media (max-width: 640px) {
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-600);
    font-family: var(--font-heading);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-top: var(--spacing-xs);
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.visual-demo {
    width: 100%;
    max-width: 500px;
    aspect-ratio: 1;
    background: var(--white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
}

.dual-encoding-demo {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    align-items: center;
    justify-content: center;
}

.text-pathway, .visual-pathway {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.pathway-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.text-nodes, .visual-nodes {
    display: flex;
    gap: var(--spacing-md);
}

.text-node {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--primary-100);
    color: var(--primary-700);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
}

.text-node.active {
    background: var(--primary-600);
    color: var(--white);
}

.visual-node {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
    position: relative;
}

.visual-node.marker-1 {
    background: linear-gradient(135deg, #ff6b6b, #ee5a5a);
}

.visual-node.marker-2 {
    background: linear-gradient(135deg, #4ecdc4, #44a08d);
}

.visual-node.marker-3 {
    background: linear-gradient(135deg, #45b7d1, #3a8bc2);
}

.memory-integration {
    margin-top: var(--spacing-lg);
}

.integration-node {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: linear-gradient(135deg, var(--secondary-50), var(--accent-50));
    border: 2px solid var(--secondary-200);
    border-radius: var(--radius-xl);
    font-weight: 600;
    color: var(--secondary-700);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.bg-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
}

.bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 25px 25px, rgba(99, 102, 241, 0.1) 2px, transparent 2px);
    background-size: 50px 50px;
}

/* ======================================
   Features Preview Section
   ====================================== */

.features-preview {
    padding: var(--spacing-4xl) 0;
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-2xl);
    align-items: stretch; /* Make all cards same height */
}

.feature-card {
    padding: var(--spacing-2xl);
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-100);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%; /* Fill the grid cell height */
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-600), var(--secondary-600));
    transform: scaleX(0);
    transition: transform var(--transition-base);
    transform-origin: left;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    position: relative;
}

.icon-marker {
    width: 100%;
    height: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.marker-shape {
    width: 36px;
    height: 24px;
    background: linear-gradient(135deg, #ffffff, #f8fafc);
    border-radius: 50%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid #4338ca;
    box-shadow: 0 2px 8px rgba(67, 56, 202, 0.3);
}

/* Enhanced pupil with built-in highlight */
.marker-shape::before {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    background: 
        radial-gradient(circle at 65% 35%, rgba(255, 255, 255, 0.8) 1px, transparent 2px),
        linear-gradient(135deg, #4338ca, #3730a3);
    border-radius: 50%;
    box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.4);
}

/* Simple pencil body */
.marker-shape::after {
    content: '';
    position: absolute;
    width: 3px;
    height: 14px;
    background: #fbbf24;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(45deg);
    z-index: 3;
    border-radius: 1px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* Pencil tip triangle */
.icon-marker::before {
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    border-left: 2px solid transparent;
    border-right: 2px solid transparent;
    border-bottom: 4px solid #374151;
    top: 38%;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    z-index: 4;
}

.marker-glow {
    position: absolute;
    width: 46px;
    height: 32px;
    background: radial-gradient(ellipse, rgba(67, 56, 202, 0.25) 0%, rgba(99, 102, 241, 0.15) 40%, transparent 70%);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.icon-brain-custom, .icon-processor {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-100), var(--secondary-100));
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    color: var(--primary-600);
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

.feature-description {
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
    flex-grow: 1; /* Take up available space to push link to bottom */
}

.feature-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--primary-600);
    font-weight: 500;
    transition: color var(--transition-fast);
    margin-top: auto; /* Push to bottom of flex container */
}

.feature-link:hover {
    color: var(--primary-700);
}

/* ======================================
   How It Works Section
   ====================================== */

.how-it-works {
    padding: var(--spacing-4xl) 0;
    background: var(--gray-50);
}

.process-steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3xl);
    max-width: 800px;
    margin: 0 auto;
}

.step-item {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--spacing-xl);
    align-items: center;
    padding: var(--spacing-2xl);
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

@media (max-width: 768px) {
    .step-item {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-lg);
    }
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-heading);
}

.step-content {
    flex: 1;
}

.step-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

.step-description {
    color: var(--gray-600);
    line-height: 1.6;
}

.step-visual {
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-50), var(--primary-100));
    border-radius: var(--radius-xl);
    color: var(--primary-600);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(99, 102, 241, 0.1);
    transition: var(--transition-base);
}

.step-visual:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Custom icon styles for step visuals */
.upload-icon,
.visual-marker-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-600);
    transition: var(--transition-base);
}

.upload-icon:hover,
.visual-marker-icon:hover {
    color: var(--primary-700);
    transform: scale(1.08);
}

.spaced-repetition-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-600);
    transition: var(--transition-base);
}

.spaced-repetition-icon:hover {
    color: var(--primary-700);
    transform: scale(1.08);
}



/* Enhanced icon shadows */
.upload-icon svg,
.visual-marker-icon svg {
    filter: drop-shadow(0 3px 6px rgba(99, 102, 241, 0.15));
}

.spaced-repetition-icon svg {
    filter: drop-shadow(0 3px 6px rgba(99, 102, 241, 0.15));
}

/* ======================================
   Social Proof Section
   ====================================== */

.social-proof {
    padding: var(--spacing-4xl) 0;
    background: var(--white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
}

.testimonial-card {
    padding: var(--spacing-2xl);
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-100);
}

.testimonial-text {
    font-size: 1.125rem;
    line-height: 1.6;
    color: var(--gray-700);
    margin-bottom: var(--spacing-lg);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-600), var(--secondary-600));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.25rem;
}

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

.author-title {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.testimonial-rating .stars {
    color: var(--accent-600);
    font-size: 1.125rem;
}

.logos-section {
    text-align: center;
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--gray-200);
}

.logos-title {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-bottom: var(--spacing-lg);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.company-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-2xl);
    flex-wrap: wrap;
}

.logo-item {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-400);
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.logo-item:hover {
    opacity: 1;
}

/* ======================================
   CTA Section
   ====================================== */

.cta-section {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.cta-section .container {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--spacing-3xl);
    align-items: center;
}

@media (max-width: 768px) {
    .cta-section .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--white);
}

.cta-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.6;
}

.cta-note {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    margin-top: var(--spacing-md);
    margin-bottom: 0;
}

.cta-visual {
    position: relative;
    width: 200px;
    height: 200px;
}

.floating-elements {
    position: relative;
    width: 100%;
    height: 100%;
}

.floating-card {
    position: absolute;
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    min-width: 80px;
}

.floating-card.card-1 {
    top: 0;
    right: 0;
}

.floating-card.card-2 {
    bottom: 0;
    left: 0;
}

.floating-card.card-3 {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.card-icon {
    font-size: 1.5rem;
}

.card-text {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray-700);
}

/* ======================================
   Message System
   ====================================== */

/* Replace old message system with unified toast notifications */
/* Import unified notification styles */
@import url('../../../notes/static/notes/css/notification.css');

/* Legacy message container - hidden, replaced by toast */
.messages-container {
    display: none;
}

.message {
    display: none;
}

.message-success {
    display: none;
}

.message-error {
    display: none;
}

.message-close {
    display: none;
}

/* ======================================
   Footer
   ====================================== */

.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: var(--spacing-3xl) 0 var(--spacing-xl) 0;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

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

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.footer-description {
    color: var(--gray-400);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

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

@media (max-width: 768px) {
    .social-links {
        justify-content: center;
    }
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    color: var(--gray-400);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--primary-600);
    color: var(--white);
}

.footer-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: var(--spacing-lg);
}

.footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

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

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

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--gray-800);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

@media (max-width: 768px) {
    .footer-bottom-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

.copyright, .footer-note {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin: 0;
}

/* ======================================
   Animations
   ====================================== */

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Add fade-in animation to elements */
.section-header,
.feature-card,
.step-item,
.testimonial-card {
    animation: fadeInUp 0.6s ease-out;
}

/* Stagger animations */
.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }

.step-item:nth-child(1) { animation-delay: 0.1s; }
.step-item:nth-child(2) { animation-delay: 0.2s; }
.step-item:nth-child(3) { animation-delay: 0.3s; }

/* ======================================
   Responsive Design
   ====================================== */

@media (max-width: 1024px) {
    :root {
        --spacing-4xl: 4rem;
        --spacing-3xl: 3rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-4xl: 3rem;
        --spacing-3xl: 2rem;
        --spacing-2xl: 1.5rem;
    }
    
    .hero {
        min-height: 70vh;
        padding: var(--spacing-2xl) 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .btn-large {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 1rem;
    }
    
    .nav-container {
        padding: 0 var(--spacing-md);
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
}