/* CSS Custom Properties for consistent theming */
:root {
    --primary-blue: #007AFF;
    --primary-blue-light: #5AC8FA;
    --primary-blue-dark: #0056B3;
    --tech-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --background-gradient: linear-gradient(135deg, rgba(239, 242, 247, 0.6) 0%, rgba(214, 225, 239, 0.3) 100%);
    --surface-white: rgba(255, 255, 255, 0.95);
    --text-primary: #1d1d1f;
    --text-secondary: #555;
    --text-tertiary: #6c757d;
    --border-light: rgba(233, 236, 239, 0.8);
    --shadow-light: 0 5px 15px rgba(0, 0, 0, 0.05);
    --shadow-medium: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-strong: 0 20px 40px rgba(0, 0, 0, 0.15);
    --border-radius: 12px;
    --border-radius-large: 20px;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s ease;
}

/* General Styles */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: #f8f9fa;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    position: relative;
}

.background-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--background-gradient);
    z-index: -1;
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3 {
    color: var(--text-primary);
    margin-top: 1.5em;
    margin-bottom: 0.8em;
    font-weight: 600;
}

h1 {
    font-size: 3.2em;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 10px;
}

h2 {
    font-size: 2.2em;
    font-weight: 600;
    padding-bottom: 10px;
    margin-top: 60px;
}

.subtitle {
    font-size: 1.6em;
    font-weight: 500;
    color: var(--primary-blue-light);
    margin-top: 0;
    margin-bottom: 20px;
    letter-spacing: -0.3px;
}

h3 {
    font-size: 1.4em;
    font-weight: 500;
    color: var(--text-primary);
}

.highlight {
    color: var(--primary-blue-light);
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-blue-light), var(--primary-blue));
    opacity: 0.6;
    border-radius: 1px;
}

.section-intro {
    text-align: center;
    font-size: 1.2em;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

/* Header */
header {
    background-color: var(--surface-white);
    padding: 15px 0;
    border-bottom: 1px solid var(--border-light);
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: var(--transition-smooth);
}

header.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-light);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    font-size: 1.4em;
    font-weight: 600;
    color: var(--primary-blue-light);
    text-decoration: none;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
}

.logo a:hover {
    color: var(--primary-blue);
    transform: scale(1.02);
}

header nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 30px;
}

header nav a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    padding: 10px 0;
    position: relative;
    transition: var(--transition-fast);
    font-size: 0.95em;
}

header nav a:hover {
    color: var(--primary-blue-light);
}

header nav a::after {
    content: '';
    position: absolute;
    width: 100%;
    transform: scaleX(0);
    height: 2px;
    bottom: 0;
    left: 0;
    background: linear-gradient(90deg, var(--primary-blue-light), var(--primary-blue));
    transform-origin: bottom right;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 1px;
}

header nav a:hover::after,
header nav a.active::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

header nav a.active {
    color: var(--primary-blue-light);
}

/* Main Content */
main {
    padding: 0;
    margin: 0 auto;
}

section {
    margin-bottom: 80px;
    padding: 60px 0;
    position: relative;
}

/* Hero Section */
.hero {
    text-align: left;
    padding: 100px 0 80px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(240, 248, 255, 0.3) 100%);
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: radial-gradient(circle, rgba(90, 200, 250, 0.1) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite;
    z-index: 0;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
    position: relative;
    z-index: 2;
}

.hero-text {
    flex: 1;
    max-width: 55%;
}

.hero-title {
    margin-bottom: 25px;
}

.hero-title .title-line-1 {
    display: block;
    font-size: 1.4em;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--text-primary);
    margin-bottom: 10px;
    animation: fadeInUp 0.8s ease-out;
}

.hero-title .title-line-2 {
    display: block;
    font-size: 0.6em;
    font-weight: 500;
    color: var(--primary-blue-light);
    letter-spacing: -0.3px;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-description {
    font-size: 1.2em;
    color: var(--text-secondary);
    margin: 30px 0;
    line-height: 1.6;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 25px;
    margin: 30px 0;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 25px;
    font-weight: 500;
    font-size: 0.95em;
    color: var(--text-primary);
    border: 1px solid rgba(90, 200, 250, 0.2);
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
}

.hero-feature:hover {
    background: rgba(255, 255, 255, 0.9);
    border-color: var(--primary-blue-light);
    transform: translateY(-2px);
}

.hero-feature i {
    color: var(--primary-blue-light);
    font-size: 1.1em;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 1;
}

.floating-device {
    animation: float 6s ease-in-out infinite;
    position: relative;
}

.device-mockup {
    width: 100%;
    max-width: 320px;
    aspect-ratio: 9/19;
    background-color: transparent;
    border-radius: 50px;
    box-shadow: var(--shadow-strong);
    overflow: hidden;
    position: relative;
    transform: perspective(1000px) rotateY(-10deg) rotateX(5deg);
    transition: var(--transition-smooth);
}

.device-mockup:hover {
    transform: perspective(1000px) rotateY(-5deg) rotateX(2deg) scale(1.02);
}

.mockup-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50px;
}

.floating-ui-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.ui-element {
    position: absolute;
    background: rgba(255, 255, 255, 0.95);
    padding: 8px 12px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8em;
    font-weight: 500;
    color: var(--primary-blue);
    box-shadow: var(--shadow-light);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(90, 200, 250, 0.2);
    animation: fadeInFloat 2s ease-out infinite alternate;
}

.ai-badge {
    top: 15%;
    right: -10%;
    animation-delay: 0s;
}

.privacy-badge {
    top: 50%;
    left: -15%;
    animation-delay: 1s;
}

.speed-badge {
    bottom: 20%;
    right: -5%;
    animation-delay: 2s;
}

.ui-element i {
    color: var(--primary-blue-light);
}

/* Enhanced App Store Button */
.app-store-button {
    display: inline-block;
    margin-top: 30px;
    transition: var(--transition-smooth);
    animation: fadeInUp 0.8s ease-out 0.8s both;
    position: relative;
    overflow: hidden;
}

.app-store-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.app-store-button:hover::before {
    left: 100%;
}

.app-store-button img {
    height: 54px;
    width: auto;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
    transition: var(--transition-smooth);
}

.app-store-button:hover {
    transform: scale(1.05) translateY(-2px);
}

.app-store-button:hover img {
    filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.15));
}

/* .app-store-button.enhanced {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(90, 200, 250, 0.1) 100%);
    padding: 8px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
} */

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

@keyframes float {
    0%, 100% {
        transform: perspective(1000px) rotateY(-10deg) translateY(0px);
    }
    50% {
        transform: perspective(1000px) rotateY(-10deg) translateY(-10px);
    }
}

@keyframes fadeInFloat {
    0% {
        opacity: 0.6;
        transform: translateY(0px);
    }
    100% {
        opacity: 1;
        transform: translateY(-5px);
    }
}

/* Animation delays for staggered feature cards */
.feature-item:nth-child(1) { animation-delay: 0.1s; }
.feature-item:nth-child(2) { animation-delay: 0.2s; }
.feature-item:nth-child(3) { animation-delay: 0.3s; }
.feature-item:nth-child(4) { animation-delay: 0.4s; }
.feature-item:nth-child(5) { animation-delay: 0.5s; }
.feature-item:nth-child(6) { animation-delay: 0.6s; }

/* Technology section animations */
.comparison-item {
    animation: fadeInUp 0.6s ease-out both;
}

.cloud-ai {
    animation-delay: 0.2s;
}

.on-device-ai {
    animation-delay: 0.4s;
}

/* Platform device animations */
.platform-device:nth-child(1) { animation: fadeInUp 0.6s ease-out 0.2s both; }
.platform-device:nth-child(2) { animation: fadeInUp 0.6s ease-out 0.4s both; }
.platform-device:nth-child(3) { animation: fadeInUp 0.6s ease-out 0.6s both; }

/* Features Section */
#features {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    position: relative;
    padding: 100px 0;
}

#features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 80%, rgba(90, 200, 250, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(90, 200, 250, 0.05) 0%, transparent 50%);
    z-index: 0;
}

#features .container {
    position: relative;
    z-index: 1;
}

#features h2 {
    text-align: center;
    border-bottom: none;
    margin-bottom: 20px;
}

.feature-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.feature-item {
    background: rgba(255, 255, 255, 0.95);
    padding: 30px;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-light);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    border: 1px solid var(--border-light);
    backdrop-filter: blur(10px);
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
}

.feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(90, 200, 250, 0.02) 0%, rgba(90, 200, 250, 0.05) 100%);
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: 0;
}

.feature-item:hover::before {
    opacity: 1;
}

.feature-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-strong);
    border-color: rgba(90, 200, 250, 0.3);
}

.feature-item.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.feature-media {
    height: 300px;
    width: 100%;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: var(--border-radius);
    margin: 0 0 25px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--border-light);
}

.feature-media img {
    max-width: 90%;
    max-height: 90%;
    width: auto;
    height: auto;
    object-fit: contain;
    transition: var(--transition-smooth);
    display: block;
    margin: 0 auto;
    border-radius: 8px;
}

.feature-overlay {
    position: absolute;
    top: 15px;
    right: 15px;
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: 2;
}

.feature-item:hover .feature-overlay {
    opacity: 1;
}

.tech-indicator {
    background: rgba(255, 255, 255, 0.95);
    padding: 8px 12px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8em;
    font-weight: 500;
    color: var(--primary-blue);
    box-shadow: var(--shadow-light);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(90, 200, 250, 0.2);
}

.tech-indicator i {
    color: var(--primary-blue-light);
}

.feature-item:hover .feature-media img {
    transform: scale(1.05);
}

.feature-description {
    position: relative;
    z-index: 1;
}

.feature-description h3 {
    margin-top: 0;
    margin-bottom: 15px;
    color: var(--text-primary);
    font-weight: 600;
}

.feature-description p {
    font-size: 1em;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

.features-cta {
    text-align: center;
    margin-top: 80px;
    position: relative;
    z-index: 10;
}

/* News Section */
#news {
    background-color: white;
}

#news h2 {
    text-align: center;
    border-bottom: none;
}

.news-placeholder {
    text-align: center;
    margin-top: 40px;
}

.placeholder-articles {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 30px;
}

.article-card {
    height: 200px;
    width: 300px;
    background: linear-gradient(45deg, #f3f4f6, #e5e7eb);
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

/* Contact Section */
#contact {
    text-align: center;
    background: linear-gradient(135deg, rgba(90, 200, 250, 0.1) 0%, rgba(240, 248, 255, 0.3) 100%);
    border-radius: 0;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

#contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 70%, rgba(90, 200, 250, 0.1) 0%, transparent 50%);
    z-index: 0;
}

#contact .container {
    position: relative;
    z-index: 1;
}

#contact h2 {
    margin-bottom: 20px;
}

#contact p {
    font-size: 1.2em;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.contact-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, var(--primary-blue-light) 0%, var(--primary-blue) 100%);
    color: #ffffff;
    padding: 16px 32px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1em;
    margin-top: 30px;
    transition: var(--transition-smooth);
    box-shadow: 0 8px 25px rgba(90, 200, 250, 0.4);
    border: none;
    position: relative;
    overflow: hidden;
}

.contact-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;
}

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

.contact-button:hover {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    box-shadow: 0 12px 35px rgba(90, 200, 250, 0.6);
    transform: translateY(-3px);
}

.contact-button i {
    font-size: 1.2em;
}

/* Footer */
footer {
    margin-top: 0;
    padding: 60px 20px 40px;
    border-top: 1px solid var(--border-light);
    text-align: center;
    font-size: 0.9em;
    color: var(--text-tertiary);
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-blue-light), transparent);
}

footer nav ul {
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

footer nav a {
    color: var(--primary-blue-light);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
    padding: 5px 10px;
    border-radius: 5px;
}

footer nav a:hover {
    color: var(--primary-blue);
    background: rgba(90, 200, 250, 0.1);
}

footer p {
    margin-top: 25px;
    font-weight: 500;
}

/* Technology Section */
.technology-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
    overflow: hidden;
}

.technology-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg width="60" height="60" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="60" height="60" patternUnits="userSpaceOnUse"><path d="M 60 0 L 0 0 0 60" fill="none" stroke="%23e2e8f0" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)" /></svg>');
    opacity: 0.3;
    z-index: 0;
}

.technology-section .container {
    position: relative;
    z-index: 1;
}

.tech-comparison {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.comparison-item {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--border-radius-large);
    padding: 40px;
    box-shadow: var(--shadow-medium);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    transition: var(--transition-smooth);
}

.comparison-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-strong);
}

.cloud-ai {
    border-left: 4px solid #ef4444;
}

.on-device-ai {
    border-left: 4px solid var(--primary-blue-light);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(240, 248, 255, 0.95) 100%);
}

.comparison-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
}

.comparison-header i {
    font-size: 2em;
    color: var(--primary-blue-light);
}

.cloud-ai .comparison-header i {
    color: #ef4444;
}

.comparison-header h3 {
    margin: 0;
    font-size: 1.5em;
    font-weight: 600;
}

.workflow {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 10px;
}

.workflow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    flex: 1;
    min-width: 80px;
}

.step-icon {
    font-size: 2em;
    line-height: 1;
}

.step-text {
    font-size: 0.9em;
    font-weight: 500;
    text-align: center;
    color: var(--text-secondary);
}

.workflow-arrow {
    font-size: 1.5em;
    color: var(--text-tertiary);
    font-weight: bold;
}

.concerns, .benefits {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.concern, .benefit {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 0.95em;
    font-weight: 500;
}

.concern {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #dc2626;
}

.concern i {
    color: #ef4444;
}

.benefit {
    background: rgba(90, 200, 250, 0.1);
    border: 1px solid rgba(90, 200, 250, 0.2);
    color: var(--primary-blue);
}

.benefit i {
    color: var(--primary-blue-light);
}

/* Privacy Section */
.privacy-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.privacy-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 10px,
        rgba(71, 85, 105, 0.1) 10px,
        rgba(71, 85, 105, 0.1) 20px
    );
    z-index: 0;
}

.privacy-section .container {
    position: relative;
    z-index: 1;
}

.privacy-section h2,
.privacy-section .section-intro {
    color: white;
}

.privacy-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 60px;
    align-items: center;
}

.privacy-visual {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.device-boundary {
    position: relative;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(90, 200, 250, 0.1) 100%);
    border: 2px solid var(--primary-blue-light);
    border-radius: var(--border-radius-large);
    padding: 40px;
    backdrop-filter: blur(10px);
    box-shadow: 0 0 30px rgba(90, 200, 250, 0.3);
}

.data-flow {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.data-point {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
}

.data-point:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: scale(1.05);
}

.data-point i {
    font-size: 2em;
    color: var(--primary-blue-light);
    margin-bottom: 5px;
}

.data-point span {
    font-size: 0.9em;
    font-weight: 500;
    text-align: center;
    color: white;
}

.privacy-shield {
    position: absolute;
    top: -15px;
    right: -15px;
    background: linear-gradient(135deg, var(--primary-blue-light) 0%, var(--primary-blue) 100%);
    color: white;
    padding: 10px 15px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9em;
    font-weight: 600;
    box-shadow: var(--shadow-medium);
    animation: pulse 2s ease-in-out infinite;
}

.external-blocked {
    background: rgba(239, 68, 68, 0.2);
    border: 2px solid #ef4444;
    border-radius: var(--border-radius);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    color: #fca5a5;
    font-weight: 500;
}

.external-blocked i {
    font-size: 2em;
    color: #ef4444;
}

.privacy-benefits {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.privacy-benefit {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 25px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
}

.privacy-benefit:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(10px);
}

.benefit-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-blue-light) 0%, var(--primary-blue) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5em;
    flex-shrink: 0;
}

.benefit-content h3 {
    margin-top: 0;
    margin-bottom: 10px;
    color: white;
    font-size: 1.2em;
}

.benefit-content p {
    margin: 0;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

/* Platforms Section */
.platforms-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
}

.platforms-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(90, 200, 250, 0.05) 0%, transparent 50%);
    z-index: 0;
}

.platforms-section .container {
    position: relative;
    z-index: 1;
}

.platform-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.platform-device {
    background: rgba(255, 255, 255, 0.95);
    padding: 40px 30px;
    border-radius: var(--border-radius-large);
    text-align: center;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-light);
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.platform-device::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-blue-light) 0%, var(--primary-blue) 100%);
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: 0;
}

.platform-device:hover::before {
    opacity: 0.05;
}

.platform-device:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-strong);
}

.platform-device > * {
    position: relative;
    z-index: 1;
}

.device-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-blue-light) 0%, var(--primary-blue) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 2em;
    box-shadow: var(--shadow-medium);
}

.platform-device h3 {
    margin-bottom: 5px;
    color: var(--text-primary);
    font-size: 1.4em;
}

.platform-device > p {
    color: var(--text-secondary);
    margin-bottom: 25px;
    font-weight: 500;
}

.platform-device ul {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.platform-device li {
    padding: 8px 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 25px;
}

.platform-device li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-blue-light);
    font-weight: bold;
}

.download-section {
    text-align: center;
    margin-top: 80px;
    padding: 40px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: var(--border-radius-large);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-light);
}

.app-store-button.primary {
    transform: scale(1.1);
    margin-bottom: 20px;
}

.download-note {
    color: var(--text-secondary);
    font-size: 0.9em;
    margin: 0;
    font-weight: 500;
}

/* Enhanced Responsive Design */
@media (max-width: 1200px) {
    .tech-comparison {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .privacy-showcase {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .privacy-visual {
        order: 2;
    }
    
    .privacy-benefits {
        order: 1;
    }
}

@media (max-width: 992px) {
    .hero {
        position: relative;
        overflow: hidden;
        padding: 80px 0 60px;
        min-height: 70vh;
    }
    
    .hero-content {
        flex-direction: column;
        text-align: center;
    }

    .hero-text {
        max-width: 100%;
        order: 2;
    }

    .hero-title .title-line-1 {
        font-size: 2.5em;
    }

    .hero-title .title-line-2 {
        font-size: 1.3em;
    }

    .hero-features {
        justify-content: center;
        gap: 20px;
    }
    
    .hero-image {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: 1;
        opacity: 0.3;
        display: flex;
        justify-content: center;
        align-items: center;
        pointer-events: none;
    }
    
    .device-mockup {
        transform: none;
        margin-bottom: 0;
        max-width: 280px;
        height: auto;
        opacity: 0.8;
        pointer-events: none;
    }
    
    .floating-ui-elements {
        display: none;
    }
    
    .comparison-item {
        padding: 30px;
    }
    
    .workflow {
        flex-direction: column;
        gap: 20px;
    }
    
    .workflow-arrow {
        transform: rotate(90deg);
    }
    
    .platform-showcase {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    h1 {
        font-size: 2.8em;
    }
    
    .hero-title .title-line-1 {
        font-size: 2.2em;
    }
    
    .hero-title .title-line-2 {
        font-size: 1.2em;
    }
    
    h2 {
        font-size: 2em;
    }
    
    .hero {
        padding: 60px 0 40px;
        min-height: 60vh;
    }
    
    .hero-text {
        padding: 30px 25px;
    }
    
    .hero-description {
        font-size: 1.1em;
    }
    
    .hero-features {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }
    
    .hero-feature {
        padding: 10px 18px;
        font-size: 0.9em;
    }
    
    header nav ul {
        gap: 20px;
    }
    
    header nav a {
        font-size: 0.9em;
    }
    
    .feature-list {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .feature-item {
        padding: 25px;
    }
    
    .feature-media {
        height: 250px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .technology-section,
    .privacy-section,
    .platforms-section,
    #contact {
        padding: 80px 0;
    }
    
    .tech-comparison {
        gap: 25px;
    }
    
    .comparison-item {
        padding: 25px;
    }
    
    .privacy-benefit {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .platform-device {
        padding: 30px 25px;
    }
    
    .download-section {
        padding: 30px 20px;
    }
    
    footer nav ul {
        gap: 25px;
    }
}

@media (max-width: 480px) {
    .hero-title .title-line-1 {
        font-size: 2em;
    }

    .hero-title .title-line-2 {
        font-size: 1.1em;
    }

    .hero-description {
        font-size: 1.1em;
    }
    
    .hero-text {
        padding: 25px 20px;
    }
    
    h2 {
        font-size: 1.6em;
    }
    
    .section-intro {
        font-size: 1em;
    }
    
    .feature-media {
        height: 200px;
    }
    
    .comparison-item {
        padding: 20px;
    }
    
    .workflow-step {
        min-width: 60px;
    }
    
    .step-icon {
        font-size: 1.5em;
    }
    
    .step-text {
        font-size: 0.8em;
    }
    
    .contact-button {
        padding: 14px 24px;
        font-size: 1em;
    }
    
    footer nav ul {
        flex-direction: column;
        gap: 15px;
    }
}

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

/* Performance optimizations */
* {
    box-sizing: border-box;
}

.feature-item,
.comparison-item,
.platform-device,
.privacy-benefit {
    will-change: transform;
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    *,
    ::before,
    ::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Print styles */
@media print {
    .floating-ui-elements,
    .app-store-button,
    header nav {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
}