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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 15, 35, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(102, 126, 234, 0.2);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, rgba(102, 126, 234, 0.1), transparent, rgba(118, 75, 162, 0.1));
    pointer-events: none;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.nav-brand {
    position: relative;
}

.nav-brand h1 {
    font-size: 2.2rem;
    font-weight: 700;
    color: white;
    margin: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(102, 126, 234, 0.3);
}

.nav-brand::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 2px;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 0.5rem;
}

.nav-menu li {
    position: relative;
}

.nav-menu a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    letter-spacing: 0.025em;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Elegant glow effect */
.nav-menu a::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, 
        rgba(102, 126, 234, 0.1), 
        rgba(118, 75, 162, 0.1)
    );
    border-radius: 8px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

/* Underline indicator */
.nav-menu a .nav-underline {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent,
        #667eea,
        #764ba2,
        #667eea,
        transparent
    );
    background-size: 200% 100%;
    opacity: 0;
    transform: scaleX(0);
    transform-origin: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 2px;
}

/* Hover states */
.nav-menu a:hover {
    color: white;
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(102, 126, 234, 0.3);
    transform: translateY(-1px);
    box-shadow: 
        0 4px 20px rgba(102, 126, 234, 0.15),
        0 1px 3px rgba(0, 0, 0, 0.1);
}

.nav-menu a:hover::before {
    opacity: 1;
}

.nav-menu a:hover .nav-underline {
    opacity: 1;
    transform: scaleX(1);
    animation: underlineFlow 2s ease-in-out infinite;
}

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

/* Active/click state */
.nav-menu a:active {
    transform: translateY(0px);
    box-shadow: 
        0 2px 10px rgba(102, 126, 234, 0.2),
        0 1px 3px rgba(0, 0, 0, 0.15);
    transition: all 0.1s ease;
}

/* Click pulse effect */
.nav-menu a.clicked {
    animation: clickPulse 0.4s ease-out;
}

@keyframes clickPulse {
    0% {
        transform: translateY(-1px) scale(1);
    }
    50% {
        transform: translateY(-2px) scale(1.02);
        box-shadow: 
            0 6px 25px rgba(102, 126, 234, 0.25),
            0 2px 8px rgba(0, 0, 0, 0.15);
    }
    100% {
        transform: translateY(-1px) scale(1);
    }
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

.hamburger:hover {
    background-color: rgba(102, 126, 234, 0.1);
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: rgba(255, 255, 255, 0.9);
    margin: 3px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.hamburger:hover span {
    background: white;
    box-shadow: 0 0 5px rgba(102, 126, 234, 0.5);
}

/* Header Light Theme (for non-hero sections) */
.header.light-theme {
    background: rgba(255, 255, 255, 0.98) !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1) !important;
}

.header.light-theme::before {
    background: linear-gradient(90deg, rgba(102, 126, 234, 0.05), transparent, rgba(118, 75, 162, 0.05));
}

.header.light-theme .nav-brand h1 {
    color: #4f46e5 !important;
    -webkit-text-fill-color: #4f46e5 !important;
    text-shadow: none !important;
}

.header.light-theme .nav-brand::after {
    background: linear-gradient(90deg, #667eea, #764ba2);
}

.header.light-theme .nav-menu a {
    color: rgba(30, 41, 59, 0.8) !important;
    border-color: rgba(30, 41, 59, 0.1) !important;
}

.header.light-theme .nav-menu a:hover {
    color: #4f46e5 !important;
    background: rgba(102, 126, 234, 0.05) !important;
    border-color: rgba(102, 126, 234, 0.2) !important;
    box-shadow: 
        0 4px 20px rgba(102, 126, 234, 0.1),
        0 1px 3px rgba(0, 0, 0, 0.05) !important;
}

.header.light-theme .nav-menu a::before {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.08), rgba(118, 75, 162, 0.08)) !important;
}

.header.light-theme .hamburger span {
    background: rgba(30, 41, 59, 0.9) !important;
}

.header.light-theme .hamburger:hover span {
    background: #4f46e5 !important;
    box-shadow: 0 0 5px rgba(79, 70, 229, 0.3) !important;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a3e 50%, #2d1b69 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
    padding: 0;
    box-sizing: border-box;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.quantum-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(90deg, rgba(102, 126, 234, 0.1) 1px, transparent 1px),
        linear-gradient(180deg, rgba(102, 126, 234, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.floating-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.floating-particles::before,
.floating-particles::after {
    content: '';
    position: absolute;
    width: 4px;
    height: 4px;
    background: #667eea;
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.floating-particles::before {
    top: 20%;
    left: 20%;
    animation-delay: 0s;
}

.floating-particles::after {
    top: 60%;
    right: 30%;
    animation-delay: 3s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); opacity: 0.7; }
    50% { transform: translateY(-20px) rotate(180deg); opacity: 1; }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    padding: 0 2rem;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(102, 126, 234, 0.2);
    border: 1px solid rgba(102, 126, 234, 0.3);
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
}

.badge-icon {
    font-size: 1.2rem;
}

.hero-badge span:last-child {
    color: #a5b4fc;
    font-size: 0.9rem;
    font-weight: 500;
}

.hero-title {
    font-size: 3.8rem;
    font-weight: 700;
    margin-bottom: 2rem;
    line-height: 1.1;
}

.highlight-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    opacity: 0.9;
    line-height: 1.6;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 3rem;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: #a5b4fc;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 4rem;
    flex-wrap: wrap;
}

.cta-primary, .cta-secondary {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
}

.cta-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
}

.cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.4);
}

.cta-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.cta-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-3px);
}

.hero-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}


.feature-highlight {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.feature-highlight:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 2rem;
    flex-shrink: 0;
    margin-top: 0.2rem;
}

.feature-content h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #e2e8f0;
}

.feature-content p {
    font-size: 0.95rem;
    color: #a5b4fc;
    line-height: 1.5;
    margin: 0;
}

/* QuEST Section */
.quest {
    padding: 5rem 0;
    background: white;
}

.quest h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #1e293b;
}

.quest-subtitle {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 4rem;
    color: #4f46e5;
    font-weight: 500;
}

.quest-overview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.quest-intro h3,
.quest-principles h3 {
    color: #1e293b;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.quest-intro p {
    color: #64748b;
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.principles-grid {
    display: grid;
    gap: 2rem;
}

.principle-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: 12px;
    border-left: 4px solid #4f46e5;
}

.principle-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    margin-top: 0.2rem;
}

.principle-item h4 {
    color: #1e293b;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.principle-item p {
    color: #64748b;
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

.quest-predictions {
    margin-bottom: 4rem;
}

.quest-predictions h3 {
    text-align: center;
    color: #1e293b;
    font-size: 1.8rem;
    margin-bottom: 2rem;
}

.predictions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.prediction-card {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 15px;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.prediction-card:hover {
    border-color: #667eea;
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.prediction-card h4 {
    color: #4f46e5;
    font-size: 1.2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.prediction-card p {
    color: #64748b;
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

.quest-significance {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 3rem;
    border-radius: 20px;
    color: white;
    text-align: center;
}

.significance-content h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.significance-content p {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 2rem;
    opacity: 0.95;
}

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

.quest .btn-primary,
.quest .btn-secondary {
    padding: 0.8rem 2rem;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.quest .btn-primary {
    background: white;
    color: #4f46e5;
}

.quest .btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.3);
}

.quest .btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.quest .btn-secondary:hover {
    background: white;
    color: #4f46e5;
}

/* QEP Section */
.qep {
    padding: 5rem 0;
    background: #f8fafc;
}

.qep h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #1e293b;
}

.qep-subtitle {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 3rem;
    color: #4f46e5;
    font-weight: 500;
}

.qep-intro {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    margin-bottom: 3rem;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.qep-intro p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #64748b;
    margin: 0;
}

.qep-section {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    margin-bottom: 3rem;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.qep-section h3 {
    color: #1e293b;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.qep-section p {
    color: #64748b;
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.qep-section p:last-child {
    margin-bottom: 0;
}

.qep-principle {
    margin-bottom: 3rem;
}

.qep-principle h3 {
    color: #1e293b;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.principle-box {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.principle-box p {
    font-size: 1.2rem;
    line-height: 1.7;
    margin: 0;
    font-weight: 500;
}

.qep-rules {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    margin-bottom: 3rem;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.qep-rules h3 {
    color: #1e293b;
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.rules-intro {
    color: #64748b;
    font-size: 1rem;
    margin-bottom: 2rem;
}

.rules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.rule-item {
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: 12px;
    border-left: 4px solid #4f46e5;
    transition: transform 0.3s ease;
}

.rule-item:hover {
    transform: translateY(-3px);
}

.rule-item h4 {
    color: #4f46e5;
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.rule-item p {
    color: #64748b;
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

.rule-item ul {
    color: #64748b;
    font-size: 0.95rem;
    line-height: 1.6;
    margin-top: 0.5rem;
    padding-left: 1.5rem;
}

.rule-item li {
    margin-bottom: 0.3rem;
}

.qep-enforcement {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    margin-bottom: 3rem;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.qep-enforcement h3 {
    color: #1e293b;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.qep-enforcement p {
    color: #64748b;
    font-size: 1rem;
    line-height: 1.6;
    margin: 0;
}

.qep-enforcement code {
    background: #e2e8f0;
    color: #dc2626;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 600;
}

.qep-significance {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.qep-significance h3 {
    color: #1e293b;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.qep-significance > p {
    color: #64748b;
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.qep-benefits {
    display: grid;
    gap: 1rem;
    margin-bottom: 2rem;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: #f0f9ff;
    border-radius: 8px;
    border-left: 4px solid #10b981;
}

.benefit-icon {
    background: #10b981;
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
    font-size: 0.85rem;
}

.benefit-item span:last-child {
    color: #475569;
    font-size: 0.95rem;
    font-weight: 500;
}

.qep-conclusion {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid #667eea;
}

.qep-conclusion p {
    color: #1e293b;
    font-size: 1.05rem;
    line-height: 1.7;
    margin: 0;
    font-weight: 500;
}

/* Services Section */
.services {
    padding: 5rem 0;
}

/* Technology Section */
.technology {
    padding: 5rem 0;
    background: #f8fafc;
}

.technology h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #1e293b;
}

.technology > .container > p {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 3rem;
    color: #64748b;
}

.tech-products {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
    justify-content: center;
}

.tech-product {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 2px solid transparent;
    max-width: 450px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.tech-product:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
    border-color: #667eea;
}

.product-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.product-header h3 {
    color: #1e293b;
    font-size: 1.8rem;
    font-weight: 700;
}

.product-badge {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.product-description {
    color: #64748b;
    font-size: 1.05rem;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.product-pricing {
    display: flex;
    align-items: baseline;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid #e2e8f0;
}

.product-pricing .price {
    color: #4f46e5;
    font-size: 2.5rem;
    font-weight: 700;
}

.product-pricing .period {
    color: #94a3b8;
    font-size: 1.2rem;
    margin-left: 0.5rem;
}

.product-features {
    margin-bottom: 2rem;
    flex: 1;
}

.feature-section {
    margin-bottom: 1.5rem;
}

.feature-section:last-child {
    margin-bottom: 0;
}

.feature-section h4 {
    color: #1e293b;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
}

.feature-item {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.feature-icon {
    background: #10b981;
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    font-weight: bold;
    flex-shrink: 0;
}

.feature-item span:last-child {
    color: #475569;
    font-size: 0.95rem;
}

.product-cta {
    width: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.product-cta:hover {
    transform: scale(1.02);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

/* Restricted Product Styling */
.tech-product.restricted {
    border: 2px solid #dc2626;
    background: linear-gradient(to bottom, #fef2f2, white);
}

.restricted-badge {
    background: #dc2626 !important;
}

.restricted-notice {
    background: #fef2f2;
    border: 1px solid #fca5a5;
    border-radius: 10px;
    padding: 1rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.notice-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.restricted-notice p {
    color: #991b1b;
    font-size: 0.9rem;
    font-weight: 500;
    margin: 0;
    line-height: 1.4;
}

.restricted-cta {
    background: linear-gradient(135deg, #dc2626, #991b1b);
}

.restricted-cta:hover {
    box-shadow: 0 10px 25px rgba(220, 38, 38, 0.4);
}

.tech-product.restricted .product-pricing .price {
    color: #dc2626;
}

/* Usage Conditions */
.usage-conditions {
    margin-top: 4rem;
    padding: 3rem;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border: 2px solid #e2e8f0;
}

.usage-conditions h3 {
    color: #1e293b;
    font-size: 1.8rem;
    margin-bottom: 1rem;
    text-align: center;
}

.conditions-intro {
    color: #64748b;
    font-size: 1.1rem;
    text-align: center;
    margin-bottom: 2rem;
}

.conditions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.condition-item {
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: 12px;
    border-left: 4px solid #4f46e5;
}

.condition-item h4 {
    color: #4f46e5;
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.condition-item p {
    color: #475569;
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.condition-item p:last-child {
    margin-bottom: 0;
}

/* Button Styles */
.btn-primary, .btn-secondary {
    padding: 0.8rem 2rem;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: white;
    color: #4f46e5;
    border: 2px solid #4f46e5;
}

.btn-secondary:hover {
    background: #4f46e5;
    color: white;
}

/* Papers Section */
.papers {
    padding: 5rem 0;
    background: #f8fafc;
}

.papers h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #1e293b;
}

.papers p {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 3rem;
    color: #64748b;
}

.papers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.paper-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e2e8f0;
}

.paper-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.12);
}

.paper-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.paper-year {
    background: #4f46e5;
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.paper-type {
    background: #e0e7ff;
    color: #4338ca;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.paper-card h3 {
    font-size: 1.4rem;
    margin-bottom: 0.8rem;
    color: #1e293b;
    line-height: 1.4;
}

.paper-authors {
    font-size: 0.95rem;
    color: #6366f1;
    font-weight: 500;
    margin-bottom: 1rem;
}

.paper-abstract {
    font-size: 0.95rem;
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.paper-links {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.paper-link {
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid;
}

.paper-link.pdf {
    background: #dc2626;
    color: white;
    border-color: #dc2626;
}

.paper-link.pdf:hover {
    background: #b91c1c;
    transform: translateY(-2px);
}

.paper-link.doi {
    background: #059669;
    color: white;
    border-color: #059669;
}

.paper-link.doi:hover {
    background: #047857;
    transform: translateY(-2px);
}

.paper-link.arxiv {
    background: #7c3aed;
    color: white;
    border-color: #7c3aed;
}

.paper-link.arxiv:hover {
    background: #6d28d9;
    transform: translateY(-2px);
}

.paper-link.github {
    background: #1f2937;
    color: white;
    border-color: #1f2937;
}

.paper-link.github:hover {
    background: #111827;
    transform: translateY(-2px);
}

.paper-link.slides {
    background: #ea580c;
    color: white;
    border-color: #ea580c;
}

.paper-link.slides:hover {
    background: #c2410c;
    transform: translateY(-2px);
}

.paper-link.code {
    background: #0891b2;
    color: white;
    border-color: #0891b2;
}

.paper-link.code:hover {
    background: #0e7490;
    transform: translateY(-2px);
}

.paper-link.demo {
    background: #7c2d12;
    color: white;
    border-color: #7c2d12;
}

.paper-link.demo:hover {
    background: #6c2e1f;
    transform: translateY(-2px);
}

.paper-link.zenodo {
    background: #024892;
    color: white;
    border-color: #024892;
}

.paper-link.zenodo:hover {
    background: #013a73;
    transform: translateY(-2px);
}

.paper-link.ieee {
    background: #00629b;
    color: white;
    border-color: #00629b;
}

.paper-link.ieee:hover {
    background: #004a75;
    transform: translateY(-2px);
}

.paper-link.proquest {
    background: #5a5a5a;
    color: white;
    border-color: #5a5a5a;
}

.paper-link.proquest:hover {
    background: #404040;
    transform: translateY(-2px);
}

.services h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #1e293b;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #4f46e5;
}

/* Blog Section */
.blog-post {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e2e8f0;
    margin-bottom: 2rem;
}

.blog-post:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.12);
}

.blog-post-header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid #e2e8f0;
}

.blog-post-title {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.blog-post-title a {
    color: #1e293b;
    text-decoration: none;
    transition: color 0.3s ease;
}

.blog-post-title a:hover {
    color: #4f46e5;
}

.blog-post-meta {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.blog-author {
    color: #6366f1;
    font-size: 0.95rem;
    font-weight: 500;
}

.blog-divider {
    color: #94a3b8;
}

.blog-category {
    background: #e0e7ff;
    color: #4338ca;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.blog-post-content {
    color: #64748b;
    line-height: 1.7;
}

.blog-post-content h3 {
    color: #1e293b;
    font-size: 1.4rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.blog-post-content h3:first-child {
    margin-top: 0;
}

.blog-post-content p {
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

.blog-post-content ul {
    margin: 1.5rem 0;
    padding-left: 1.5rem;
}

.blog-post-content li {
    margin-bottom: 1rem;
    font-size: 1rem;
    line-height: 1.7;
}

.blog-post-content li strong {
    color: #1e293b;
    font-weight: 600;
}

.blog-post-content sup {
    font-size: 0.7em;
    vertical-align: super;
}

.read-more-link {
    display: inline-flex;
    align-items: center;
    background: #4f46e5;
    color: white;
    padding: 0.7rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-top: 1.5rem;
}

.read-more-link:hover {
    background: #4338ca;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(79, 70, 229, 0.3);
}

/* Articles Section */
.articles {
    padding: 5rem 0;
}

.articles h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #1e293b;
}

.articles p {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 3rem;
    color: #64748b;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.article-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e2e8f0;
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.12);
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.article-platform {
    background: #00ab6c;
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.article-date {
    background: #f1f5f9;
    color: #64748b;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.article-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: #1e293b;
    line-height: 1.4;
}

.article-excerpt {
    font-size: 0.95rem;
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.article-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.article-link {
    background: #4f46e5;
    color: white;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.article-link:hover {
    background: #4338ca;
    transform: translateY(-2px);
}

.article-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tag {
    background: #e0e7ff;
    color: #4338ca;
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* Contact Section */
.contact {
    padding: 5rem 0;
    background: #f8fafc;
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #1e293b;
}

.contact > .container > p {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 3rem;
    color: #64748b;
}

.contact-content {
    max-width: 100%;
}

/* Department Cards */
.contact-departments {
    margin-bottom: 4rem;
}

.contact-departments h3 {
    text-align: center;
    font-size: 1.8rem;
    color: #1e293b;
    margin-bottom: 2rem;
}

.department-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.department-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 2px solid transparent;
}

.department-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    border-color: #667eea;
}

.dept-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.department-card h4 {
    color: #1e293b;
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.department-card p {
    color: #64748b;
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.dept-email {
    color: #4f46e5;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.dept-email:hover {
    color: #764ba2;
}

/* Contact Main Section */
.contact-main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contact-info-section {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.contact-info-section h3 {
    color: #1e293b;
    font-size: 1.5rem;
    margin-bottom: 2rem;
    font-weight: 600;
}

.company-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.detail-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.detail-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    margin-top: 0.2rem;
}

.detail-content {
    flex: 1;
}

.detail-label {
    display: block;
    color: #94a3b8;
    font-size: 0.85rem;
    margin-bottom: 0.3rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.detail-value {
    color: #1e293b;
    font-size: 1rem;
    text-decoration: none;
}

a.detail-value:hover {
    color: #4f46e5;
}

.social-links {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.social-link {
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.social-link.linkedin {
    background: #0077b5;
    color: white;
}

.social-link.linkedin:hover {
    background: #005885;
    transform: translateY(-2px);
}

.social-link.github {
    background: #333;
    color: white;
}

.social-link.github:hover {
    background: #000;
    transform: translateY(-2px);
}

.social-link.twitter {
    background: #1da1f2;
    color: white;
}

.social-link.twitter:hover {
    background: #0d8bd9;
    transform: translateY(-2px);
}

.contact-form-wrapper {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border: 1px solid #e2e8f0;
    height: fit-content;
    display: flex;
    flex-direction: column;
}

.contact-form-wrapper h3 {
    font-size: 1.5rem;
    color: #1e293b;
    margin-bottom: 1rem;
    text-align: center;
}

.form-description {
    color: #64748b;
    font-size: 0.95rem;
    text-align: center;
    margin-bottom: 1rem;
}

.form-note {
    color: #94a3b8;
    font-size: 0.85rem;
    text-align: center;
    margin-bottom: 2rem;
    font-style: italic;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    flex: 1;
}

.form-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    padding: 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    font-family: inherit;
}

.contact-form select {
    cursor: pointer;
}

.contact-form textarea {
    resize: none;
    flex: 1;
    min-height: 120px;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #4f46e5;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.contact-form button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.contact-form button:hover {
    transform: scale(1.02);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

/* Privacy Policy Section */
.privacy-policy {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.privacy-header {
    text-align: center;
    margin-bottom: 3rem;
}

.privacy-header h2 {
    color: #1e293b;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.privacy-subtitle {
    color: #4f46e5;
    font-size: 1.2rem;
    font-weight: 500;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.privacy-content {
    max-width: 1200px;
    margin: 0 auto;
}

.privacy-section {
    background: white;
    margin-bottom: 2rem;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    border: 1px solid #e2e8f0;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.privacy-section:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.privacy-section h3 {
    color: #1e293b;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
    position: relative;
    padding-bottom: 0.8rem;
}

.privacy-section h3:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 2px;
}

.privacy-section > p {
    color: #64748b;
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.privacy-section ul {
    color: #64748b;
    font-size: 1rem;
    line-height: 1.7;
    margin-left: 1.5rem;
}

.privacy-section li {
    margin-bottom: 0.8rem;
    padding-left: 0.5rem;
}

.privacy-section strong {
    color: #1e293b;
    font-weight: 600;
}

/* Info Types Grid */
.info-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.info-type {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid #4f46e5;
    transition: transform 0.3s ease;
}

.info-type:hover {
    transform: translateY(-3px);
}

.info-type h4 {
    color: #1e293b;
    font-size: 1.2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.info-type p {
    color: #64748b;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.info-type ul {
    margin: 0;
}

/* Usage Purposes */
.usage-purposes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.purpose-item {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    border: 1px solid #bae6fd;
    transition: all 0.3s ease;
    position: relative;
}

.purpose-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(59, 130, 246, 0.15);
}

.purpose-item h4 {
    color: #1e293b;
    font-size: 1.2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.purpose-item p {
    color: #475569;
    line-height: 1.6;
    margin: 0;
}

/* Legal Basis */
.legal-basis {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 12px;
    margin-top: 1.5rem;
    border-left: 4px solid #10b981;
}

.legal-basis li {
    color: #475569;
    margin-bottom: 1rem;
}

.legal-basis strong {
    color: #1e293b;
}

/* Sharing Info */
.sharing-info {
    margin-top: 2rem;
}

.sharing-item {
    background: #fefce8;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border-radius: 12px;
    border-left: 4px solid #eab308;
}

.sharing-item h4 {
    color: #1e293b;
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.sharing-item p {
    color: #64748b;
    margin: 0;
    line-height: 1.6;
}

.no-sharing {
    background: #fef2f2;
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid #dc2626;
    margin-top: 1.5rem;
}

.no-sharing h4 {
    color: #dc2626;
    font-size: 1.2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.no-sharing ul {
    color: #7f1d1d;
    margin: 0;
}

/* Data Retention */
.retention-periods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.retention-item {
    background: #f0fdf4;
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid #22c55e;
    text-align: center;
}

.retention-item h4 {
    color: #1e293b;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.retention-item p {
    color: #475569;
    margin: 0;
    line-height: 1.6;
}

/* Rights Grid */
.rights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.right-item {
    background: linear-gradient(135deg, #fef3ff 0%, #f3e8ff 100%);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    border: 1px solid #d8b4fe;
    transition: all 0.3s ease;
}

.right-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(168, 85, 247, 0.15);
}

.right-item h4 {
    color: #1e293b;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.right-item p {
    color: #475569;
    margin: 0;
    line-height: 1.6;
}

/* Cookie Types */
.cookie-info {
    margin-top: 2rem;
}

.cookie-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.cookie-type {
    background: #f1f5f9;
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid #3b82f6;
}

.cookie-type h4 {
    color: #1e293b;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.cookie-type p {
    color: #64748b;
    margin: 0;
    line-height: 1.6;
}

/* Privacy Contact */
.privacy-contact {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    margin-top: 3rem;
}

.privacy-contact h3 {
    color: white;
    margin-bottom: 1.5rem;
}

.privacy-contact h3:after {
    background: rgba(255, 255, 255, 0.3);
}

.contact-privacy p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    opacity: 0.95;
}

.privacy-contact-info {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.privacy-contact-info p {
    margin-bottom: 0.8rem;
    font-size: 1rem;
}

.privacy-contact-info a {
    color: #e0e7ff;
    text-decoration: none;
    font-weight: 600;
}

.privacy-contact-info a:hover {
    color: white;
    text-decoration: underline;
}

/* Privacy Updates */
.privacy-updates {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid #6366f1;
    margin-top: 2rem;
}

.privacy-updates h3 {
    color: #1e293b;
    margin-bottom: 1rem;
}

.privacy-updates h3:after {
    background: #6366f1;
}

/* Privacy Footer */
.privacy-footer {
    text-align: center;
    padding: 2rem;
    background: #1e293b;
    color: white;
    border-radius: 15px;
    margin-top: 3rem;
}

.privacy-footer p {
    margin: 0.5rem 0;
    font-weight: 500;
}

/* Footer */
.footer {
    display: none;
}

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

/* Touch-friendly improvements */
@media (hover: none) and (pointer: coarse) {
    .cta-primary, .cta-secondary, .btn-primary, .btn-secondary, 
    .paper-link, .contact-form button, .nav-menu a {
        min-height: 44px;
        padding: 0.8rem 1.2rem;
    }
    
    .hamburger {
        min-width: 48px;
        min-height: 48px;
        padding: 1rem;
        margin: -0.5rem;
        border-radius: 8px;
    }
    
    .nav-menu a {
        min-height: 48px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* Mobile Responsive */
@media (max-width: 1024px) {
    .container {
        padding: 0 15px;
    }
    
    .nav {
        padding: 1rem 1.5rem;
    }
    
    .hero-title {
        font-size: 3.2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-stats {
        gap: 2rem;
    }
    
    .quest-overview {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .predictions-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .rules-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .contact-main {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(15, 15, 35, 0.98);
        backdrop-filter: blur(20px);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0,0,0,0.3);
        padding: 2rem 0;
        z-index: 999;
    }

    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 0.5rem 0;
    }
    
    .nav-menu a {
        color: rgba(255, 255, 255, 0.9) !important;
        border-color: rgba(255, 255, 255, 0.2) !important;
        padding: 1rem 2rem;
        display: block;
        margin: 0 2rem;
    }

    .header.light-theme .nav-menu {
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        box-shadow: 0 10px 27px rgba(0,0,0,0.1);
    }
    
    .header.light-theme .nav-menu a {
        color: rgba(30, 41, 59, 0.9) !important;
        border-color: rgba(30, 41, 59, 0.2) !important;
    }

    .hero {
        padding: 7.5rem 0 4rem;
        min-height: auto;
    }

    .hero-content {
        padding: 0 1rem;
    }

    .hero-title {
        font-size: 2.8rem;
        margin-bottom: 1.5rem;
        line-height: 1.2;
    }

    .hero-subtitle {
        font-size: 1.1rem;
        margin-bottom: 2rem;
        padding: 0 1rem;
    }

    .hero-stats {
        gap: 2rem;
        margin-bottom: 2rem;
        flex-wrap: wrap;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .stat-label {
        font-size: 0.85rem;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
        margin-bottom: 3rem;
    }
    
    .cta-primary, .cta-secondary {
        width: 100%;
        max-width: 280px;
        text-align: center;
        font-size: 1rem;
        padding: 1rem 1.5rem;
        min-height: 48px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .hero-features {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .feature-highlight {
        padding: 1.5rem;
    }
    
    .feature-content h3 {
        font-size: 1.1rem;
    }
    
    .feature-content p {
        font-size: 0.9rem;
    }

    /* Section adjustments */
    .quest, .qep, .papers, .contact {
        padding: 4rem 0;
    }
    
    .quest h2, .qep h2, .papers h2, .contact h2 {
        font-size: 2.2rem;
        margin-bottom: 0.8rem;
    }
    
    .quest-subtitle, .qep-subtitle {
        font-size: 1.1rem;
        margin-bottom: 3rem;
        padding: 0 1rem;
    }

    .quest-overview {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        margin-bottom: 3rem;
    }
    
    .quest-intro, .quest-principles {
        padding: 0 1rem;
    }
    
    .principles-grid {
        gap: 1.5rem;
    }
    
    .principle-item {
        padding: 1.2rem;
    }

    .predictions-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .prediction-card {
        padding: 1.5rem;
    }

    .quest-significance {
        padding: 2rem;
        margin: 0 1rem;
    }
    
    .quest-cta {
        flex-direction: column;
        gap: 0.8rem;
    }
    
    .quest .btn-primary, .quest .btn-secondary {
        width: 100%;
        max-width: 200px;
        padding: 0.7rem 1.5rem;
    }

    /* QEP Section */
    .qep-intro, .qep-section, .qep-rules, .qep-enforcement, .qep-significance {
        margin: 0 1rem 2rem;
        padding: 2rem;
    }
    
    .rules-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .rule-item {
        padding: 1.2rem;
    }

    .papers-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin: 0 1rem;
    }

    .paper-card {
        padding: 1.5rem;
    }

    .paper-links {
        gap: 0.5rem;
        flex-wrap: wrap;
    }

    .paper-link {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
        flex: 1;
        min-width: 80px;
        text-align: center;
    }

    /* Blog Section Mobile */
    .blog-post {
        padding: 1.5rem;
        margin: 0 1rem 1.5rem;
    }

    .blog-post-title {
        font-size: 1.4rem;
    }

    .blog-post-content h3 {
        font-size: 1.2rem;
    }

    /* Contact adjustments */
    .contact-main {
        grid-template-columns: 1fr;
        gap: 2rem;
        margin: 0 1rem;
    }
    
    .contact-info-section, .contact-form-wrapper {
        padding: 2rem;
    }
    
    .form-group {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .contact-form textarea {
        min-height: 100px;
    }

    .tech-products {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin: 0 1rem;
    }
    
    .department-cards {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }
    
    .nav {
        padding: 0.8rem 1rem;
    }
    
    .nav-brand h1 {
        font-size: 1.8rem;
    }

    .hero {
        padding: 6.5rem 0 3rem;
        min-height: auto;
    }

    .hero-content {
        padding: 0 0.5rem;
    }

    .hero-title {
        font-size: 2.2rem;
        line-height: 1.1;
        margin-bottom: 1rem;
    }

    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 1.5rem;
        line-height: 1.5;
    }

    .hero-badge {
        padding: 0.4rem 1rem;
        margin-bottom: 1.5rem;
    }
    
    .hero-badge span:last-child {
        font-size: 0.8rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
        margin-bottom: 2rem;
    }
    
    .stat-number {
        font-size: 1.8rem;
    }
    
    .stat-label {
        font-size: 0.8rem;
    }

    .hero-cta {
        margin-bottom: 2rem;
    }
    
    .cta-primary, .cta-secondary {
        font-size: 0.95rem;
        padding: 0.8rem 1.2rem;
    }

    .feature-highlight {
        padding: 1.2rem;
        flex-direction: column;
        text-align: center;
        gap: 0.8rem;
    }
    
    .feature-icon {
        font-size: 1.8rem;
        margin-top: 0;
    }

    /* Section titles */
    .quest h2, .qep h2, .papers h2, .contact h2 {
        font-size: 1.9rem;
        line-height: 1.2;
    }
    
    .quest-subtitle, .qep-subtitle {
        font-size: 1rem;
        padding: 0 0.5rem;
    }

    .quest-intro h3, .quest-principles h3, .quest-predictions h3 {
        font-size: 1.5rem;
    }
    
    .qep-intro, .qep-section, .qep-rules, .qep-enforcement, .qep-significance {
        padding: 1.5rem;
        margin: 0 0.5rem 1.5rem;
    }

    .principle-item, .rule-item {
        padding: 1rem;
        flex-direction: column;
        text-align: center;
        gap: 0.8rem;
    }
    
    .principle-icon {
        margin-top: 0;
        font-size: 1.3rem;
    }

    .prediction-card {
        padding: 1.2rem;
    }

    .quest-significance {
        padding: 1.5rem;
        margin: 0 0.5rem;
    }
    
    .significance-content h3 {
        font-size: 1.5rem;
    }
    
    .significance-content p {
        font-size: 1rem;
    }

    .papers-grid, .contact-main {
        margin: 0 0.5rem;
    }

    .paper-card, .contact-info-section, .contact-form-wrapper {
        padding: 1.2rem;
    }

    .paper-links {
        justify-content: center;
    }

    .paper-link {
        min-width: 60px;
        font-size: 0.75rem;
        padding: 0.35rem 0.6rem;
    }

    /* Blog Section Mobile */
    .blog-post {
        padding: 1.2rem;
        margin: 0 0.5rem 1.5rem;
    }

    .blog-post-title {
        font-size: 1.2rem;
        line-height: 1.2;
    }

    .blog-post-header {
        margin-bottom: 1.5rem;
        padding-bottom: 1rem;
    }

    .blog-post-content h3 {
        font-size: 1.1rem;
        margin-top: 1.5rem;
    }

    .blog-post-content p,
    .blog-post-content li {
        font-size: 0.95rem;
    }

    .read-more-link {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }

    .contact-form {
        gap: 1rem;
    }
    
    .contact-form input, .contact-form textarea, .contact-form button {
        font-size: 0.95rem;
        padding: 0.8rem;
    }

    .department-cards {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .department-card {
        padding: 1.5rem;
    }
    
    .dept-icon {
        font-size: 2rem;
    }
    
    /* Privacy Policy mobile styles */
    .privacy-policy {
        padding: 3rem 0;
    }
    
    .privacy-header h2 {
        font-size: 1.9rem;
    }
    
    .privacy-content {
        margin: 0 0.5rem;
    }
    
    .privacy-section {
        padding: 1.5rem;
        margin-bottom: 1.5rem;
    }
    
    .info-types, .usage-purposes, .sharing-info, .retention-periods, 
    .rights-grid, .cookie-types, .conditions-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .purpose-item, .sharing-item, .retention-item, .right-item,
    .cookie-type, .condition-item, .info-type {
        padding: 1rem;
    }
    
    .privacy-contact-info {
        text-align: center;
    }
}