:root {
    --accent-color: #00E5FF;
    --accent-dark: #00B8D4;
    --accent-light: #84FFFF;
    --accent-glow: #00F2FF;
    --accent-neon: #39FFFF;
    --bg-color: #050A18;
    --bg-dark: #030812;
    --bg-darker: #020610;
    --bg-light: #0A1428;
    --bg-highlight: #0F1E38;
    --text-color: rgba(255, 255, 255, 0.95);
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-tertiary: rgba(255, 255, 255, 0.5);
    --card-bg: rgba(10, 20, 40, 0.5);
    --card-border: rgba(0, 229, 255, 0.1);
    --card-hover-border: rgba(0, 229, 255, 0.3);
    --gradient-1: linear-gradient(135deg, var(--accent-color), #2979FF);
    --gradient-2: linear-gradient(135deg, #00B8D4, #2979FF);
    --gradient-3: linear-gradient(135deg, #00E5FF, #3D5AFE);
    --gradient-4: linear-gradient(135deg, #00B8D4, #651FFF);
    --gradient-cyber: linear-gradient(90deg, #00E5FF, #FF00E5);
    --shadow-color: rgba(0, 229, 255, 0.1);
    --shadow-glow: 0 0 20px rgba(0, 229, 255, 0.5);
    --shadow-neon: 0 0 10px rgba(0, 242, 255, 0.8), 0 0 20px rgba(0, 242, 255, 0.5), 0 0 40px rgba(0, 242, 255, 0.3);
    --blur-amount: 10px;
    --blur-strong: 20px;
    --transition-fast: 0.3s;
    --transition-medium: 0.5s;
    --transition-slow: 0.8s;
    --matrix-color: #00FF41;
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes slideInLeft {
    from { transform: translateX(-50px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

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

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

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

@keyframes glitch {
    0% {
        clip-path: inset(40% 0 61% 0);
        transform: translate(-20px, -10px);
        text-shadow: -2px 0 #FF00E5, 2px 2px #00E5FF;
    }
    20% {
        clip-path: inset(92% 0 1% 0);
        transform: translate(20px, 10px);
        text-shadow: 2px -2px #FF00E5, -2px 2px #00E5FF;
    }
    40% {
        clip-path: inset(43% 0 1% 0);
        transform: translate(-20px, -10px);
        text-shadow: 2px 0 #FF00E5, -2px -2px #00E5FF;
    }
    60% {
        clip-path: inset(25% 0 58% 0);
        transform: translate(20px, 10px);
        text-shadow: -2px 2px #FF00E5, 2px -2px #00E5FF;
    }
    80% {
        clip-path: inset(54% 0 7% 0);
        transform: translate(-20px, -10px);
        text-shadow: -2px -2px #FF00E5, 2px 0 #00E5FF;
    }
    100% {
        clip-path: inset(58% 0 43% 0);
        transform: translate(20px, 10px);
        text-shadow: 2px 2px #FF00E5, -2px -2px #00E5FF;
    }
}

@keyframes scanline {
    0% {
        transform: translateY(-100%);
    }
    100% {
        transform: translateY(100%);
    }
}

@keyframes flicker {
    0%, 19.999%, 22%, 62.999%, 64%, 64.999%, 70%, 100% {
        opacity: 0.99;
    }
    20%, 21.999%, 63%, 63.999%, 65%, 69.999% {
        opacity: 0.4;
    }
}

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

@keyframes cipher {
    0%, 100% { content: "encrypted sentiment matrices"; }
    10% { content: "3ncrypt3d s3nt1m3nt m4tr1c3s"; }
    20% { content: "01100101 01101110 01100011"; }
    30% { content: "量子情感解密系统"; }
    40% { content: "$#@!%^&* $#@!%^&* $#@!%^&*"; }
    50% { content: "CLASSIFIED::LEVEL-5::ACCESS"; }
    60% { content: "neural.crypto.sentiment.v7"; }
    70% { content: "0x7F3A2E9D1B5C8F0E4A7D2B"; }
    80% { content: "<encrypted_data_feed_active>"; }
    90% { content: "[REDACTED] [REDACTED] [REDACTED]"; }
}

@keyframes progress {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; visibility: hidden; }
}

@keyframes meterFill {
    from { width: 0; }
    to { width: 85%; }
}

@keyframes chartLine {
    0% { height: 30%; }
    20% { height: 60%; }
    40% { height: 40%; }
    60% { height: 75%; }
    80% { height: 55%; }
    100% { height: 70%; }
}

@keyframes nodeGlow {
    0% { box-shadow: 0 0 5px var(--accent-color); }
    50% { box-shadow: 0 0 15px var(--accent-color); }
    100% { box-shadow: 0 0 5px var(--accent-color); }
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Canvas and Particle Styles */
#bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

#particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-darker);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
    overflow: hidden;
}

.loading-screen::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        transparent,
        transparent 5px,
        rgba(0, 229, 255, 0.03) 5px,
        rgba(0, 229, 255, 0.03) 10px
    );
    pointer-events: none;
}

.loading-screen::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent 30%, var(--bg-darker));
    pointer-events: none;
}

.loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.loader-text {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -1px;
    animation: pulse 2s infinite;
    text-shadow: 0 0 10px var(--accent-color);
    position: relative;
}

.loader-text::before {
    content: 'INITIALIZING QUANTUM CORE';
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.8rem;
    font-weight: normal;
    color: var(--accent-color);
    letter-spacing: 3px;
    opacity: 0.7;
    font-family: 'Courier New', monospace;
    white-space: nowrap;
}

.loader-text::after {
    content: 'v7.3.21';
    position: absolute;
    bottom: -25px;
    right: -20px;
    font-size: 0.7rem;
    font-weight: normal;
    color: var(--accent-color);
    letter-spacing: 1px;
    opacity: 0.7;
    font-family: 'Courier New', monospace;
}

.progress-bar {
    width: 300px;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.progress-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(0, 229, 255, 0.5), 
        transparent
    );
    animation: scanline 2s linear infinite;
    z-index: 1;
}

.progress-bar::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 0;
    width: 100%;
    text-align: center;
    font-size: 10px;
    color: var(--accent-color);
    font-family: 'Courier New', monospace;
    letter-spacing: 1px;
    animation: loadingText 5s infinite;
}

@keyframes loadingText {
    0% { content: 'LOADING QUANTUM ALGORITHMS'; }
    20% { content: 'CALIBRATING NEURAL NETWORKS'; }
    40% { content: 'INITIALIZING SENTIMENT MATRIX'; }
    60% { content: 'DECRYPTING MARKET PATTERNS'; }
    80% { content: 'SYNCHRONIZING TEMPORAL DATA'; }
}

.progress {
    height: 100%;
    background: var(--gradient-cyber);
    animation: progress 2.5s ease-out forwards;
    position: relative;
    box-shadow: 0 0 10px var(--accent-color);
}

.progress::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    height: 100%;
    width: 5px;
    background: white;
    opacity: 0.8;
}

/* Content Styles */
.content {
    opacity: 0;
    animation: fadeIn 1s ease 2.5s forwards;
}

/* Header and Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all var(--transition-fast) ease;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    background: rgba(5, 10, 24, 0.8);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    border-bottom: 1px solid rgba(0, 229, 255, 0.1);
}

.logo {
    font-size: 1.5rem;
    font-weight: 600;
    color: #fff;
    text-decoration: none;
    letter-spacing: -0.5px;
    position: relative;
    z-index: 2;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color var(--transition-fast) ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: width var(--transition-fast) ease;
}

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

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

.contact-btn {
    color: #fff;
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    background: var(--gradient-1);
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: all var(--transition-fast) ease;
    box-shadow: 0 5px 15px rgba(0, 229, 255, 0.2);
}

.contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 229, 255, 0.3);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 2;
}

.bar {
    width: 25px;
    height: 2px;
    background-color: var(--text-color);
    transition: all var(--transition-fast) ease;
}

/* Main Content Styles */
main {
    padding-top: 100px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5%;
    position: relative;
    overflow: hidden;
}

.hero-content {
    width: 50%;
    animation: slideInLeft 1s ease 3s both;
}

.data-visualization {
    width: 50%;
    height: 600px;
    position: relative;
    animation: slideInRight 1s ease 3.2s both;
}

#data-viz {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 0 20px var(--shadow-color));
}

.glitch {
    font-size: 3.5rem;
    font-weight: 700;
    margin: 0 0 1.5rem;
    line-height: 1.1;
    letter-spacing: -1px;
    position: relative;
    color: var(--text-color);
    text-shadow: 0 0 5px rgba(0, 229, 255, 0.5);
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.8;
}

.glitch::before {
    color: var(--accent-color);
    z-index: -1;
    animation: glitch 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94) both infinite;
    animation-play-state: paused;
    text-shadow: 2px 0 #FF00E5;
}

.glitch::after {
    color: var(--accent-light);
    z-index: -2;
    animation: glitch 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94) reverse both infinite;
    animation-play-state: paused;
    text-shadow: -2px 0 #00E5FF;
}

.glitch:hover::before,
.glitch:hover::after {
    animation-play-state: running;
}

.glitch::after {
    animation-delay: 0.05s;
}

/* Add scanline effect */
.hero-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent, rgba(0, 229, 255, 0.05) 50%, transparent);
    z-index: 2;
    pointer-events: none;
    animation: scanline 6s linear infinite;
    opacity: 0.5;
}

/* Add flicker effect */
.hero-content {
    position: relative;
    animation: flicker 5s infinite;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 2.5rem;
    position: relative;
    font-family: 'Courier New', monospace;
    letter-spacing: 0.5px;
}

/* Cipher text effect */
.cipher {
    color: var(--accent-color);
    position: relative;
    font-family: 'Courier New', monospace;
    font-weight: bold;
    border-bottom: 1px dashed var(--accent-color);
    padding-bottom: 2px;
    cursor: default;
}

.cipher:hover {
    color: var(--accent-neon);
    text-shadow: var(--shadow-neon);
}

.cipher::after {
    content: "encrypted sentiment matrices";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    animation: cipher 10s infinite;
    display: inline-block;
}

/* Code text styling */
.code-text {
    font-family: 'Courier New', monospace;
    color: var(--matrix-color);
    background: rgba(0, 0, 0, 0.3);
    padding: 0 5px;
    border-radius: 3px;
    font-size: 0.9em;
    position: relative;
    border-left: 2px solid var(--matrix-color);
}

.code-text:hover {
    background: rgba(0, 0, 0, 0.5);
    text-shadow: 0 0 5px var(--matrix-color);
}

/* Highlight text */
.highlight {
    color: var(--accent-neon);
    font-weight: 500;
    position: relative;
    text-shadow: 0 0 5px var(--accent-color);
    transition: all 0.3s ease;
}

.highlight:hover {
    text-shadow: 0 0 10px var(--accent-color);
}

.cta-container {
    display: flex;
    gap: 1rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--gradient-1);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    transition: all var(--transition-fast) ease;
    box-shadow: 0 5px 15px rgba(0, 229, 255, 0.2);
}

.cta-button.outline {
    background: transparent;
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 229, 255, 0.3);
}

.cta-button.outline:hover {
    background: rgba(0, 229, 255, 0.1);
}

/* Section Styles */
.section {
    padding: 8rem 5%;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
}

.section-line {
    width: 80px;
    height: 4px;
    background: var(--gradient-1);
    margin: 0 auto;
    border-radius: 2px;
}

/* Approach Section */
.approach-content {
    display: flex;
    align-items: center;
    gap: 4rem;
}

.approach-text {
    flex: 1;
}

.approach-text p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.approach-visual {
    flex: 1;
    height: 400px;
    position: relative;
}

.interactive-graph {
    width: 100%;
    height: 100%;
    background: rgba(10, 20, 40, 0.3);
    border-radius: 16px;
    border: 1px solid var(--card-border);
    overflow: hidden;
    position: relative;
}

/* Cards Section */
.cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 2.5rem;
    transition: all var(--transition-fast) ease;
    border: 1px solid var(--card-border);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    transform-style: preserve-3d;
    perspective: 1000px;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, var(--accent-color) 0%, transparent 20%);
    opacity: 0;
    transition: opacity 0.5s ease;
    mix-blend-mode: screen;
    pointer-events: none;
}

.card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 65%, rgba(0, 229, 255, 0.1) 75%, transparent 85%);
    background-size: 200% 200%;
    animation: cardGlow 3s ease infinite;
    pointer-events: none;
    z-index: 1;
}

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

.card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
    box-shadow: 0 10px 30px rgba(0, 229, 255, 0.2), 0 0 15px rgba(0, 229, 255, 0.1) inset;
}

.card:hover::before {
    opacity: 0.1;
}

.card:hover .card-icon {
    transform: translateZ(30px) rotate(10deg);
    filter: drop-shadow(0 0 10px var(--accent-color));
}

.card-icon {
    width: 50px;
    height: 50px;
    margin-bottom: 1.5rem;
    fill: var(--accent-color);
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #fff;
    letter-spacing: -0.5px;
}

.card p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1rem;
}

.card-visual {
    height: 100px;
    position: relative;
    margin-top: 2rem;
}

.sentiment-meter {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
    margin-top: 2rem;
}

.meter-fill {
    height: 100%;
    background: var(--gradient-1);
    width: 0;
    animation: meterFill 2s ease-out 0.5s forwards;
}

.chart-container {
    width: 100%;
    height: 100px;
    display: flex;
    align-items: flex-end;
    gap: 5px;
    padding-bottom: 10px;
}

.chart-line {
    flex: 1;
    background: var(--gradient-1);
    height: 30%;
    border-radius: 3px 3px 0 0;
    animation: chartLine 3s ease-in-out infinite;
    animation-delay: calc(var(--i, 0) * 0.1s);
}

.neural-network {
    display: flex;
    justify-content: space-around;
    align-items: center;
    height: 100%;
}

.node {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: var(--accent-color);
    animation: nodeGlow 2s ease-in-out infinite;
    animation-delay: calc(var(--i, 0) * 0.3s);
    position: relative;
}

.node::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 5px;
    height: 5px;
    background: white;
    border-radius: 50%;
    opacity: 0.8;
}

.node::after {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border-radius: 50%;
    background: transparent;
    border: 1px solid var(--accent-color);
    opacity: 0.5;
    animation: pulse 2s infinite;
}

.neural-network::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(0, 229, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

/* Technology Section */
.tech-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.tech-item {
    position: relative;
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 16px;
    border: 1px solid var(--card-border);
    transition: all var(--transition-fast) ease;
    overflow: hidden;
}

.tech-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        -45deg,
        transparent,
        transparent 10px,
        rgba(0, 229, 255, 0.02) 10px,
        rgba(0, 229, 255, 0.02) 20px
    );
    pointer-events: none;
    z-index: 0;
}

.tech-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-3);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.tech-item:hover {
    transform: translateY(-5px);
    border-color: var(--card-hover-border);
    box-shadow: 0 5px 20px rgba(0, 229, 255, 0.15);
}

.tech-item:hover::after {
    transform: scaleX(1);
}

.tech-item:hover .tech-number {
    background: var(--gradient-4);
    color: white;
    box-shadow: 0 0 15px rgba(0, 229, 255, 0.3);
}

.tech-number {
    position: absolute;
    top: -15px;
    left: 20px;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent-color);
    background: var(--bg-dark);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    border: 1px solid var(--card-border);
    transition: all 0.3s ease;
    z-index: 2;
    font-family: 'Courier New', monospace;
    letter-spacing: 1px;
}

.tech-number::before {
    content: 'PROTOCOL';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.5rem;
    color: var(--accent-color);
    opacity: 0;
    transition: opacity 0.3s ease, top 0.3s ease;
}

.tech-item:hover .tech-number::before {
    opacity: 1;
    top: -15px;
}

.tech-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #fff;
}

.tech-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Footer Styles */
footer {
    background: var(--bg-dark);
    padding: 5rem 5% 2rem;
    border-top: 1px solid var(--card-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 3rem;
}

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

.footer-logo p {
    color: var(--text-tertiary);
    margin-top: 1rem;
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 4rem;
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-column h4 {
    color: #fff;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.footer-column a {
    color: var(--text-tertiary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition-fast) ease;
}

.footer-column a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    color: var(--text-tertiary);
    font-size: 0.85rem;
}

.accent {
    color: var(--accent-color);
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        padding-top: 100px;
        text-align: center;
    }
    
    .hero-content,
    .data-visualization {
        width: 100%;
    }
    
    .hero-content {
        margin-bottom: 3rem;
    }
    
    .hero-subtitle {
        margin: 0 auto 2.5rem;
    }
    
    .cta-container {
        justify-content: center;
    }
    
    .approach-content {
        flex-direction: column;
    }
    
    .glitch {
        font-size: 2.8rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .section {
        padding: 5rem 5%;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 3rem;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 2rem;
    }
    
    .glitch {
        font-size: 2.2rem;
    }
    
    .tech-showcase {
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .cta-container {
        flex-direction: column;
    }
    
    .cards-container {
        grid-template-columns: 1fr;
    }
    
    .glitch {
        font-size: 1.8rem;
    }
}