/* Import Inter font */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* CSS Variables - Same as master page */
:root {
    --primary-color: #007AFF;
    --secondary-color: #5856D6;
    --accent-color: #FF3B30;
    --success-color: #34C759;
    --warning-color: #FF9500;
    --background-light: #F8F9FA;
    --background-dark: #1A1A1A;
    --surface-light: #FFFFFF;
    --surface-dark: #2D2D2D;
    --text-primary-light: #1D1D1F;
    --text-primary-dark: #FFFFFF;
    --text-secondary-light: #86868B;
    --text-secondary-dark: #A1A1A6;
    --border-light: rgba(0, 122, 255, 0.2);
    --border-dark: rgba(255, 255, 255, 0.2);
    --shadow-light: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 8px 25px rgba(0, 122, 255, 0.15);
    --gradient-primary: linear-gradient(135deg, #007AFF 0%, #5856D6 100%);
    --gradient-secondary: linear-gradient(135deg, #FF3B30 0%, #FF9500 100%);
    --gradient-text: linear-gradient(135deg, #007AFF 0%, #5856D6 50%, #FF3B30 100%);
    
    /* Current theme variables */
    --background-color: var(--background-light);
    --surface-color: var(--surface-light);
    --text-primary: var(--text-primary-light);
    --text-secondary: var(--text-secondary-light);
    --border-color: var(--border-light);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--background-color);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation Styles */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: slideInLeft 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.logo {
    height: 96px;
    width: auto;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.1));
}

.logo:hover {
    transform: scale(1.08);
}

.logo-text {
    font-size: 1.875rem;
    font-weight: 700;
    color: #1d1d1f;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #007AFF 0%, #5856D6 50%, #FF3B30 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: logoTextFloat 3s ease-in-out infinite alternate, logoTextShimmer 2s ease-in-out infinite alternate;
    position: relative;
}

.logo-text::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #007AFF, #5856D6);
    transition: width 0.3s ease;
}

.logo-text:hover::after {
    width: 100%;
}

@keyframes slideInLeft {
    0% { transform: translateX(-30px); opacity: 0; }
    100% { transform: translateX(0); opacity: 1; }
}

@keyframes logoTextFloat {
    0% { transform: translateY(0px); }
    100% { transform: translateY(-2px); }
}

@keyframes logoTextShimmer {
    0% { opacity: 0.8; }
    100% { opacity: 1; }
}

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

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

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

.cta-button {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-light);
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.cta-button.secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.cta-button.secondary:hover {
    background: var(--primary-color);
    color: white;
}

/* Language Selector - Same as master page */
.language-selector {
    display: flex;
    background: rgba(255, 255, 255, 0.8);
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-radius: 20px;
    overflow: hidden;
    backdrop-filter: blur(20px);
}

.lang-btn {
    background: transparent;
    border: none;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: #1d1d1f;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
}

.lang-btn.active {
    background: linear-gradient(135deg, #007AFF, #5856D6);
    color: white;
}

.lang-btn:hover:not(.active) {
    background: rgba(0, 122, 255, 0.1);
    color: #007AFF;
}

/* User Indicator Styles */
.user-indicator {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    position: relative;
    background: rgba(255, 255, 255, 0.9);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-color);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.user-status {
    font-size: 0.8rem;
    color: var(--success-color);
}

.user-menu-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.user-menu-btn:hover {
    background: rgba(0, 122, 255, 0.1);
    color: var(--primary-color);
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--border-color);
    min-width: 200px;
    padding: 0.5rem;
    margin-top: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.user-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    font-size: 0.9rem;
}

.dropdown-item:hover {
    background: rgba(0, 122, 255, 0.1);
    color: var(--primary-color);
}

.dropdown-item.logout {
    color: var(--accent-color);
}

.dropdown-item.logout:hover {
    background: rgba(255, 59, 48, 0.1);
}

.dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: 0.5rem 0;
    border: none;
}

/* Admin Switch */
.admin-switch {
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid rgba(255, 69, 0, 0.3);
    border-radius: 20px;
    padding: 0.5rem 1rem;
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 16px rgba(255, 69, 0, 0.2);
    animation: adminPulse 2s ease-in-out infinite;
}

@keyframes adminPulse {
    0%, 100% { box-shadow: 0 4px 16px rgba(255, 69, 0, 0.2); }
    50% { box-shadow: 0 4px 20px rgba(255, 69, 0, 0.4); }
}

.switch-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.switch-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: #FF4500;
}

.mode-switch {
    display: flex;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 15px;
    padding: 0.25rem;
    gap: 0.25rem;
}

.mode-btn {
    padding: 0.4rem 0.8rem;
    border: none;
    background: transparent;
    color: #666;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.mode-btn.active {
    background: #FF4500;
    color: white;
    box-shadow: 0 2px 8px rgba(255, 69, 0, 0.3);
}

/* Auth Buttons */
.auth-buttons {
    display: flex;
    gap: 1rem;
    align-items: center;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger .bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #F8F9FA 0%, #E3F2FD 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 40%, rgba(0, 122, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(88, 86, 214, 0.1) 0%, transparent 50%);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    background: rgba(0, 122, 255, 0.1);
    color: var(--primary-color);
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(0, 122, 255, 0.2);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease-in-out infinite alternate;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    100% { background-position: 100% 50%; }
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.hero-actions .cta-button.primary {
    font-size: 1.1rem;
    padding: 1rem 2rem;
}

/* Hero Visual - ML Neural Network Visualization */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.ml-visualization {
    position: relative;
    width: 400px;
    height: 300px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(20px);
    overflow: hidden;
}

.neural-network {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.layer {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    height: 100%;
    position: relative;
}

.node {
    width: 20px;
    height: 20px;
    background: var(--gradient-primary);
    border-radius: 50%;
    position: relative;
    box-shadow: 0 2px 8px rgba(0, 122, 255, 0.3);
    animation: nodePulse 2s ease-in-out infinite;
}

.input-layer .node:nth-child(1) { animation-delay: 0s; }
.input-layer .node:nth-child(2) { animation-delay: 0.2s; }
.input-layer .node:nth-child(3) { animation-delay: 0.4s; }
.input-layer .node:nth-child(4) { animation-delay: 0.6s; }

.hidden-layer .node:nth-child(1) { animation-delay: 0.8s; }
.hidden-layer .node:nth-child(2) { animation-delay: 1s; }
.hidden-layer .node:nth-child(3) { animation-delay: 1.2s; }
.hidden-layer .node:nth-child(4) { animation-delay: 1.4s; }
.hidden-layer .node:nth-child(5) { animation-delay: 1.6s; }

.output-layer .node:nth-child(1) { animation-delay: 1.8s; }
.output-layer .node:nth-child(2) { animation-delay: 2s; }
.output-layer .node:nth-child(3) { animation-delay: 2.2s; }

@keyframes nodePulse {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.2); opacity: 1; }
}

.connections {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.learning-pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(0, 122, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: learningPulse 3s ease-in-out infinite;
    z-index: 0;
}

@keyframes learningPulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.3); opacity: 0.8; }
}

/* Section Styles - Same as master page */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(0, 122, 255, 0.1);
    color: var(--primary-color);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
    border: 1px solid rgba(0, 122, 255, 0.2);
    animation: badgeFloat 3s ease-in-out infinite;
}

@keyframes badgeFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-3px); }
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: titleShimmer 3s ease-in-out infinite alternate;
}

@keyframes titleShimmer {
    0% { opacity: 0.9; }
    100% { opacity: 1; }
}

.section-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Solutions Section - Same as master page */
.solutions {
    padding: 100px 0;
    background: white;
    position: relative;
}

/* Features Grid - Same as master page */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(0, 122, 255, 0.1);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    animation: cardFloat 6s ease-in-out infinite;
}

.feature-card:nth-child(1) { animation-delay: 0s; }
.feature-card:nth-child(2) { animation-delay: 1.5s; }
.feature-card:nth-child(3) { animation-delay: 3s; }
.feature-card:nth-child(4) { animation-delay: 4.5s; }

@keyframes cardFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 122, 255, 0.1), transparent);
    transition: left 0.8s ease;
}

.feature-card:hover::before {
    left: 100%;
}

.feature-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 60px rgba(0, 122, 255, 0.15);
    border-color: rgba(0, 122, 255, 0.3);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    position: relative;
    overflow: hidden;
    animation: iconPulse 3s ease-in-out infinite;
}

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

.feature-icon::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: iconShimmer 4s ease-in-out infinite;
}

@keyframes iconShimmer {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.feature-icon svg {
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: titleShimmer 4s ease-in-out infinite alternate;
}

@keyframes titleShimmer {
    0% { opacity: 0.8; }
    100% { opacity: 1; }
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 1rem;
}

/* Overview Section */
.overview {
    padding: 80px 0;
    background: white;
}


/* Features Section */
.features {
    padding: 80px 0;
    background: var(--background-color);
}

.process-steps {
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    align-items: flex-start;
}

.step-number {
    background: var(--gradient-primary);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: var(--shadow-light);
}

.step-content {
    flex: 1;
    padding-top: 0.5rem;
}

.step-content h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.step-content p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 1.05rem;
}


/* CTA Section - Same as master page */
.cta {
    padding: 6rem 0;
    background: linear-gradient(135deg, #2d3748, #4a5568);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(14, 165, 233, 0.1) 0%, transparent 70%);
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    animation: ctaBadgeFloat 3s ease-in-out infinite;
}

@keyframes ctaBadgeFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-3px); }
}

.cta h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.cta p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta .primary-button {
    background: linear-gradient(135deg, #007AFF, #5856D6);
    color: white;
    border: none;
    padding: 0.875rem 2rem;
    border-radius: 25px;
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 122, 255, 0.3);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.cta .primary-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.cta .primary-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 122, 255, 0.4);
    background: linear-gradient(135deg, #0056CC, #4C44CC);
}

.cta .primary-button:hover::before {
    left: 100%;
}

.cta .secondary-button {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    padding: 0.875rem 2rem;
    border-radius: 25px;
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.cta .secondary-button:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background: var(--text-primary);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer-logo {
    height: 32px;
    width: auto;
}

.footer-brand-text {
    font-size: 1.25rem;
    font-weight: 600;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.footer-section h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
}

/* Responsive Design for Feature Cards */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1.5rem;
    }
    
    .feature-card {
        padding: 2rem;
    }
    
    .feature-icon {
        width: 70px;
        height: 70px;
        margin-bottom: 1.25rem;
    }
    
    .feature-card h3 {
        font-size: 1.3rem;
    }
}

@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 1.5rem;
    }
    
    .feature-card {
        padding: 2rem;
        margin-bottom: 1rem;
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 1rem;
    }
    
    .feature-card h3 {
        font-size: 1.2rem;
        margin-bottom: 0.75rem;
    }
    
    .feature-card p {
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .feature-card {
        padding: 1.5rem;
        border-radius: 16px;
    }
    
    .feature-icon {
        width: 50px;
        height: 50px;
        border-radius: 12px;
        margin-bottom: 1rem;
    }
    
    .feature-card h3 {
        font-size: 1.1rem;
        margin-bottom: 0.5rem;
    }
    
    .feature-card p {
        font-size: 0.9rem;
        line-height: 1.6;
    }
}

/* General Responsive Design */
@media screen and (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .ml-visualization {
        width: 350px;
        height: 250px;
    }
    
    .node {
        width: 18px;
        height: 18px;
    }
}

@media screen and (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .nav-container {
        padding: 0 1rem;
    }
    
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .cta-button {
        width: 100%;
        justify-content: center;
    }
    
    .ml-visualization {
        width: 300px;
        height: 200px;
        padding: 1.5rem;
    }
    
    .node {
        width: 16px;
        height: 16px;
    }
    
    .step {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}

@media screen and (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .ml-visualization {
        width: 280px;
        height: 180px;
        padding: 1rem;
    }
    
    .node {
        width: 14px;
        height: 14px;
    }
    
    .chart-bars {
        gap: 0.5rem;
    }
    
    .chart-bar {
        width: 20px;
    }
    
    .concept-item,
    .application-card,
    .benefit-card {
        padding: 1.5rem;
    }
}

/* iPad Navigation Adjustments - Same as master page */
@media screen and (min-width: 768px) and (max-width: 1024px) {
    .nav-container {
        padding: 0.75rem 1.5rem;
    }
    
    .logo {
        height: 72px;
    }
    
    .logo-text {
        font-size: 1.5rem;
    }
    
    .nav-menu {
        gap: 1.5rem;
    }
    
    .nav-list {
        gap: 1.5rem;
    }
    
    .nav-link {
        font-size: 0.9rem;
    }
    
    .cta-button {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }
}