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

/* Import brand color system */
@import url('./brand-colors.css');

:root {
    /* Legacy variables for backwards compatibility - now mapped to brand colors */
    --warning-color: #F59E0B;
    --error-color: #EF4444;
    --background: var(--background-primary);
    --background-light: var(--background-secondary);
    --background-gray: var(--background-neutral);
    --border-color: var(--border-primary);
    --border-light: var(--border-light);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-primary);
    padding-top: 1cm; /* 1cm space below fixed header */
}
textarea {
    resize: none !important;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 calc(var(--spacing) * 2);
}
.container h2 {
    text-align: center;
}

@media (max-width: 768px) {
    .container {
        padding: 0 calc(var(--spacing) * 1.5);
    }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
    scroll-margin-top: 80px; /* Smooth scrolling offset */
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 1cm 0 1rem; /* 1cm top margin */
    padding: 1rem 0;
    position: relative;
    display: block;
    clear: both;
    line-height: 1.2;
    scroll-margin-top: 1cm; /* 1cm space for anchor links */
}

h2 {
    font-size: 2rem;
    margin: 2rem 0 1.25rem 0;
    padding-top: 0.25rem;
}

/* Make mission heading more compact */
.our-mission h2 {
    margin-top: 1.5rem;
    padding-top: 0;
}

h3 {
    font-size: 1.5rem;
    margin: 1.75rem 0 1rem 0;
    color: var(--primary-color);
    text-align: left;
}

h4 {
    font-size: 1.5rem;
}

p {
    margin-bottom: calc(var(--spacing) * 2);
    color: var(--text-primary);
    line-height: 1.7;

}

@media (max-width: 768px) {
    h1 {
        font-size: 2.25rem;
    }
    
    h2 {
        font-size: 1.875rem;
    }
    
    h3 {
        font-size: 1.5rem;
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: calc(var(--spacing) * 1.5) calc(var(--spacing) * 3);
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--btn-primary-text);
    border: none;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.btn-primary::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;
}

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

.btn-primary:hover {
    background: var(--btn-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--text-white);
}

.btn-secondary {
    background: var(--gradient-secondary);
    color: var(--btn-secondary-text);
    border: 2px solid var(--brand-trust);
    box-shadow: var(--shadow);
}

.btn-secondary:hover {
    background: var(--btn-secondary-hover);
    color: var(--text-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--brand-trust-light);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--brand-balance);
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background: var(--gradient-accent);
    border-color: var(--brand-quality);
    color: var(--brand-security);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-sm {
    padding: calc(var(--spacing) * 1) calc(var(--spacing) * 2);
    font-size: 0.875rem;
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-primary);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: var(--shadow-md);
    padding: 0.5rem 0;
    transition: all 0.3s ease;
}

.header.scrolled {
    background: rgba(5, 18, 61, 0.95);
    border-bottom: 1px solid var(--brand-trust);
}

.header.scrolled .nav-link {
    color: var(--text-white);
}

.header.scrolled .nav-link:hover {
    color: var(--brand-quality);
}

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

.nav-brand .logo {
    height: auto;
    width: 175px;
    max-width: 280px;
    transition: all 0.2s ease;
}

.nav-brand .logo:hover {
    transform: scale(1.05);
}

.nav-brand a {
    text-decoration: none;
    display: inline-block;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing) * 1.5);
}

/* Ensure consistent navigation spacing across all pages */
.nav-menu {
    gap: calc(var(--spacing) * 1.5) !important;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 11px;
}

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

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

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

.nav-link.active {
    color: var(--brand-security);
    font-weight: 600;
}

.nav-link.active::after {
    width: 100%;
    background: var(--gradient-primary);
}

.nav-cta {
    margin-left: calc(var(--spacing) * 1.5);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    transition: all 0.3s ease;
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        gap: calc(var(--spacing) * 2) !important;
        padding: calc(var(--spacing) * 3);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100vh);
        transition: transform 0.3s ease;
    }
    
    .nav-menu.active {
        transform: translateY(0);
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-cta {
        margin-left: 0;
        margin-top: 0;
    }
}

/* Main Content Spacing */
main {
    margin-top: 80px;
}

/* First section spacing for fixed header */
.hero,
.page-header {
    margin: 0;
    padding: 160px 0 3.5rem 0;
    position: relative;
    min-height: 40vh;
    display: flex;
    align-items: center;
}

.page-header {
    background: var(--gradient-hero);
    color: var(--text-white);
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--brand-security) 0%, var(--brand-trust) 50%, var(--brand-security-light) 100%);
    opacity: 0.9;
    z-index: 1;
}

.page-header .container {
    position: relative;
    z-index: 2;
    text-align: center;
}

.page-header h1 {
    color: var(--text-white);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    margin-bottom: 1rem;
}

.page-header p {
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Additional space for main headings */
.hero h1,
.page-header + .container h1 {
    margin: 0;
    padding: 0;
    width: 100%;
}

/* Ensure consistent spacing on all pages */
.about .page-header,
.research .page-header,
.contact .page-header,
.services .page-header {
    padding: 160px 0 3.5rem 0;
    min-height: 40vh;
}

/* Home page specific adjustments */
.home .hero {
    padding: 160px 0 4rem 0;
}

.page-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(203, 153, 21, 0.3);
    z-index: 3;
}

/* Main content container */
.main-content {
    padding-top: 1rem;
}

/* Section Spacing */
section {
    padding: 3rem 0;
    position: relative;
}

section + section {
    border-top: 1px solid var(--border-light);
}

/* Specific section spacing */
.our-mission,
.company-story,
.founder,
.core-values,
.what-we-do,
.why-choose {
    padding: 2.5rem 0;
}

.vision-section {
    background-color: var(--background-light);
    margin-top: 2rem;
    padding: 2.5rem 0;
}

/* Adjust spacing for better flow */
.section-header {
    margin-bottom: 1.5rem;
}

/* Reduce space after paragraphs */
p {
    margin-bottom: 1.25rem;
    line-height: 1.7;
}

/* Hero Section */
.hero {
    padding: calc(var(--spacing) * 10) 0;
    background: var(--gradient-hero);
    color: var(--text-white);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--brand-security) 0%, var(--brand-trust) 50%, var(--brand-security-light) 100%);
    opacity: 0.95;
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: calc(var(--spacing) * 6);
    /* align-items: center; */
}

.hero-text h1 {
    font-size: 2rem;
    line-height: 1.1;
    margin-bottom: calc(var(--spacing) * 3);
    color: var(--text-white);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-text p {
    font-size: 1.25rem;
    margin-bottom: calc(var(--spacing) * 4);
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.hero-buttons {
    display: flex;
    gap: calc(var(--spacing) * 2);
    flex-wrap: wrap;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

@media (max-width: 768px) {
    .hero {
        padding: calc(var(--spacing) * 6) 0;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: calc(var(--spacing) * 4);
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
}

/* Services Overview */
.services-overview {
    padding: calc(var(--spacing) * 2) 0;
}

.section-header {
    text-align: center;
    margin-bottom: calc(var(--spacing) * 1);
}

.section-header h2 {
    margin-bottom: calc(var(--spacing) * 2);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: calc(var(--spacing) * 4);
}

.service-card {
    background: white;
    padding: calc(var(--spacing) * 4);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto calc(var(--spacing) * 3);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.service-icon i {
    font-size: 2rem;
    color: white;
}

.service-card h3 {
    margin-bottom: calc(var(--spacing) * 2);
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* Why Choose Us Section */
.why-choose-us {
    padding: 1rem 0;
    background: linear-gradient(135deg, var(--background-secondary) 0%, var(--background-light) 100%);
    position: relative;
}

.why-choose-us::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="%23006699" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>') repeat;
    opacity: 0.3;
    z-index: 1;
}

.why-choose-us .container {
    position: relative;
    z-index: 2;
}

.why-choose-us .section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.why-choose-us .section-header h2 {
    font-size: 2.25rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.why-choose-us .service-card {
    height: 100%;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e5e7eb;
}

.why-choose-us .service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.why-choose-us .service-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.75rem;
}

.why-choose-us .service-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
    text-align: center;
}

.why-choose-us .service-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    text-align: center;
    margin-bottom: 0;
}

.service-features {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0 0;
    text-align: left;
}

.service-features li {
    margin-bottom: 0.75rem;
    padding-left: 2rem;
    position: relative;
    color: var(--text-secondary);
    line-height: 1.6;
}

.service-features li i {
    color: var(--primary-color);
    position: absolute;
    left: 0;
    top: 0.25rem;
}

/* Service Steps */
.service-steps {
    list-style-type: none;
    counter-reset: step-counter;
    padding-left: 0;
    margin: 1.5rem 0 0 0;
    text-align: left;
}

.service-steps li {
    position: relative;
    padding-left: 2.5rem;
    margin-bottom: 1rem;
    counter-increment: step-counter;
    color: var(--text-secondary);
    line-height: 1.6;
}

.service-steps li:before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    background: var(--primary-color);
    color: white;
    width: 1.75rem;
    height: 1.75rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 600;
}

/* Stats Section */
.stats {
    padding: calc(var(--spacing) * 8) 0;
    background: var(--primary-color);
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: calc(var(--spacing) * 4);
    text-align: center;
}

.stat-item {
    padding: calc(var(--spacing) * 2);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: calc(var(--spacing) * 1);
}

.stat-label {
    font-size: 1.125rem;
    opacity: 0.9;
}

/* CTA Section */
.cta {
    padding: calc(var(--spacing) * 10) 0;
    background: var(--background-light);
    text-align: center;
}

.cta-content h2 {
    margin-bottom: calc(var(--spacing) * 3);
}

.cta-content p {
    font-size: 1.125rem;
    margin-bottom: calc(var(--spacing) * 4);
    margin-right: auto;
    display: flex;
    justify-content: center;
}

.cta-buttons {
    margin: auto;
    width: 45%;
    display: flex;
    justify-content: center;
}

/* Page Header */
.page-header {
    padding: calc(var(--spacing) * 6) 0;
    text-align: center;
    background: linear-gradient(135deg, var(--background-light) 0%, white 100%);
}

.page-header h1 {
    margin-top: revert;
    margin-bottom: calc(var(--spacing) * 2);
}

.page-header p {
    font-size: 1.25rem;
    /*color: var(--text-secondary);*/
    color: #dadce0;
    max-width: 600px;
    margin: 0 auto;
}

/* Services Detail */
.services-detail {
    padding: calc(var(--spacing) * 8) 0;
}

.service-detail-card {
    margin-bottom: calc(var(--spacing) * 10);
}

.service-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: calc(var(--spacing) * 6);
    align-items: center;
}

.service-detail-card.reverse .service-content {
    direction: rtl;
}

.service-detail-card.reverse .service-text {
    direction: ltr;
}

.service-icon-large {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: calc(var(--spacing) * 3);
}

.service-icon-large i {
    font-size: 2.5rem;
    color: white;
}

.service-text h2 {
    margin-bottom: calc(var(--spacing) * 3);
}

.feature-list {
    list-style: none;
    margin-top: calc(var(--spacing) * 3);
}

.feature-list li {
    display: flex;
    align-items: center;
    margin-bottom: calc(var(--spacing) * 1.5);
    color: var(--text-secondary);
}

.feature-list i {
    color: var(--success-color);
    margin-right: calc(var(--spacing) * 1.5);
    font-size: 1.125rem;
}

.service-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

@media (max-width: 768px) {
    .service-content {
        grid-template-columns: 1fr;
        gap: calc(var(--spacing) * 4);
        text-align: center;
    }
    
    .service-detail-card.reverse .service-content {
        direction: ltr;
    }
}

/* Process Section */
.process {
    padding: calc(var(--spacing) * 10) 0;
    background: var(--background-light);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: calc(var(--spacing) * 4);
}

.process-step {
    text-align: center;
    padding: calc(var(--spacing) * 3);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto calc(var(--spacing) * 3);
}

.process-step h3 {
    margin-bottom: calc(var(--spacing) * 2);
}

.process-step p {
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* Company Story */
.company-story {
    padding: calc(var(--spacing) * 8) 0;
}

.story-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: calc(var(--spacing) * 6);
    align-items: center;
}

.mission-points {
    margin-top: calc(var(--spacing) * 3);
}

.mission-point {
    display: flex;
    align-items: center;
    margin-bottom: calc(var(--spacing) * 2);
    color: var(--text-secondary);
}

.mission-point i {
    color: var(--success-color);
    margin-right: calc(var(--spacing) * 1.5);
    font-size: 1.125rem;
}

.story-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

@media (max-width: 768px) {
    .story-content {
        grid-template-columns: 1fr;
        gap: calc(var(--spacing) * 4);
    }
}

/* Team Section */
.team {
    padding: calc(var(--spacing) * 8) 0;
    background: var(--background-light);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: calc(var(--spacing) * 4);
}

.team-member {
    background: white;
    padding: calc(var(--spacing) * 4);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.3s ease;
}

.team-member:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.member-photo {
    width: 120px;
    height: 120px;
    margin: 0 auto calc(var(--spacing) * 3);
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--primary-color);
}

.member-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.member-info h3 {
    margin-bottom: calc(var(--spacing) * 1);
}

.member-title {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: calc(var(--spacing) * 2);
    display: flex;
    justify-content: center;
}

.member-info p:last-child {
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* Values Section */
.values {
    padding: calc(var(--spacing) * 8) 0;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: calc(var(--spacing) * 4);
}

.value-card {
    background: white;
    padding: calc(var(--spacing) * 4);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border-light);
}

.value-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.value-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto calc(var(--spacing) * 3);
}

.value-icon i {
    font-size: 2rem;
    color: white;
}

.value-card h3 {
    margin-bottom: calc(var(--spacing) * 2);
}

.value-card p {
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* Research Sections */
.research-overview {
    padding: calc(var(--spacing) * 8) 0;
}

.research-intro {
    text-align: center;
    margin-bottom: calc(var(--spacing) * 8);
}

.research-intro h2 {
    margin-bottom: calc(var(--spacing) * 3);
}

.research-intro p {
    font-size: 1.125rem;
    max-width: 800px;
    margin: 0 auto;
}

.research-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: calc(var(--spacing) * 4);
    text-align: center;
}

.research-stat {
    background: white;
    padding: calc(var(--spacing) * 4);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-light);
}

.featured-research {
    padding: calc(var(--spacing) * 8) 0;
    background: var(--background-light);
}

.featured-paper {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 0;
}

.paper-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.paper-content {
    padding: calc(var(--spacing) * 4);
}

.paper-category {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: calc(var(--spacing) * 0.5) calc(var(--spacing) * 1.5);
    border-radius: calc(var(--radius) / 2);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: calc(var(--spacing) * 2);
}

.paper-content h3 {
    font-size: 1.5rem;
    margin-bottom: calc(var(--spacing) * 2);
    line-height: 1.4;
}

.paper-authors {
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: calc(var(--spacing) * 2);
}

.paper-description {
    margin-bottom: calc(var(--spacing) * 3);
}

.paper-journal {
    margin-bottom: calc(var(--spacing) * 3);
    color: var(--text-secondary);
}

.paper-meta {
    display: flex;
    gap: calc(var(--spacing) * 2);
    margin-bottom: calc(var(--spacing) * 3);
    font-size: 0.875rem;
    color: var(--text-light);
}

@media (max-width: 768px) {
    .featured-paper {
        grid-template-columns: 1fr;
    }
    
    .paper-image {
        height: 200px;
    }
}

/* Research Categories */
.research-categories {
    padding: calc(var(--spacing) * 8) 0;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: calc(var(--spacing) * 4);
}

.category-card {
    background: white;
    padding: calc(var(--spacing) * 4);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-light);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.category-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto calc(var(--spacing) * 3);
}

.category-icon i {
    font-size: 2rem;
    color: white;
}

.category-card h3 {
    margin-bottom: calc(var(--spacing) * 2);
}

.category-card p {
    color: var(--text-secondary);
    margin-bottom: calc(var(--spacing) * 3);
}

.paper-count {
    position: absolute;
    bottom: calc(var(--spacing) * 2);
    left: 50%;
    transform: translateX(-50%);
    background: var(--background-light);
    color: var(--primary-color);
    padding: calc(var(--spacing) * 0.5) calc(var(--spacing) * 1.5);
    border-radius: calc(var(--radius) / 2);
    font-size: 0.875rem;
    font-weight: 500;
}

/* Publications */
.recent-publications {
    padding: calc(var(--spacing) * 8) 0;
    background: var(--background-light);
}

.publications-list {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing) * 2);
}

.publication-item {
    background: white;
    padding: calc(var(--spacing) * 4);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: calc(var(--spacing) * 2);
    transition: all 0.3s ease;
}

.publication-item:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.publication-info {
    display: flex;
    gap: calc(var(--spacing) * 2);
    flex: 1;
}

.publication-year {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary-color);
    min-width: 60px;
}

.publication-details h4 {
    font-size: 1.125rem;
    margin-bottom: calc(var(--spacing) * 1);
    line-height: 1.4;
}

.authors {
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: calc(var(--spacing) * 1);
    justify-content: flex-start;
}

.journal {
    color: var(--text-secondary);
    margin-bottom: calc(var(--spacing) * 2);
}

.publication-badges {
    display: flex;
    gap: calc(var(--spacing) * 1);
    flex-wrap: wrap;
}

.badge {
    background: var(--primary-color);
    color: white;
    padding: calc(var(--spacing) * 0.5) calc(var(--spacing) * 1);
    border-radius: calc(var(--radius) / 2);
    font-size: 0.75rem;
    font-weight: 500;
}

.publication-actions {
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .publication-item {
        flex-direction: column;
        align-items: stretch;
    }
    
    .publication-info {
        flex-direction: column;
        gap: calc(var(--spacing) * 2);
    }
    
    .publication-year {
        min-width: auto;
    }
}

/* Ongoing Studies */
.ongoing-studies {
    padding: calc(var(--spacing) * 8) 0;
}

.studies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: calc(var(--spacing) * 4);
}

.study-card {
    background: white;
    padding: calc(var(--spacing) * 4);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
    position: relative;
}

.study-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.study-status {
    position: absolute;
    top: calc(var(--spacing) * 2);
    right: calc(var(--spacing) * 2);
}

.status-badge {
    padding: calc(var(--spacing) * 0.5) calc(var(--spacing) * 1.5);
    border-radius: calc(var(--radius) / 2);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-badge.recruiting {
    background: var(--success-color);
    color: white;
}

.status-badge.active {
    background: var(--primary-color);
    color: white;
}

.status-badge.analysis {
    background: var(--warning-color);
    color: white;
}

.study-card h3 {
    margin-bottom: calc(var(--spacing) * 2);
    padding-right: calc(var(--spacing) * 6);
}

.study-card p {
    margin-bottom: calc(var(--spacing) * 3);
}

.study-details {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing) * 1);
}

.study-detail {
    display: flex;
    justify-content: space-between;
    padding: calc(var(--spacing) * 0.5) 0;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.875rem;
}

.study-detail:last-child {
    border-bottom: none;
}

.study-detail strong {
    color: var(--text-primary);
}

/* Contact Section */
.contact-section {
    padding: calc(var(--spacing) * 8) 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: calc(var(--spacing) * 8);
}

.contact-info h2 {
    margin-bottom: calc(var(--spacing) * 3);
}

.contact-methods {
    margin-top: calc(var(--spacing) * 4);
}

.contact-method {
    display: flex;
    gap: calc(var(--spacing) * 2);
    margin-bottom: calc(var(--spacing) * 4);
}

.method-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.method-icon i {
    font-size: 1.5rem;
    color: white;
}

.method-info h4 {
    margin-bottom: calc(var(--spacing) * 1);
    font-size: 1.125rem;
}

.method-info p {
    margin-bottom: calc(var(--spacing) * 0.5);
    color: var(--text-primary);
}

.method-info span {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.contact-form-container {
    background: white;
    padding: calc(var(--spacing) * 4);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing) * 2);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: calc(var(--spacing) * 1);
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: calc(var(--spacing) * 1.5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: none !important;
    min-height: 120px;
}

/* Contact Form Container */
.contact-form-container {
    max-width: 760px;
    margin: 0 auto;
    padding: 40px 20px;
    font-family: 'Google Sans', Roboto, Arial, sans-serif;
    color: #202124;
}

.contact-form-container h1 {
    font-size: 32px;
    font-weight: 400;
    line-height: 40px;
    margin: 0 0 16px 0;
    color: #202124;
}

.form-description {
    font-size: 14px;
    line-height: 20px;
    color: #5f6368;
    margin: 0 0 24px 0;
}

/* Email Section */
.email-section {
    background: #f8f9fa;
    border: 1px solid #dadce0;
    border-radius: 8px;
    margin-bottom: 24px;
    overflow: hidden;
    box-shadow: 0 1px 2px 0 rgba(60,64,67,0.1), 0 1px 3px 1px rgba(60,64,67,0.1);
    padding: 16px;
}

/* Google Sign In Button Container */
#googleSignInContainer {
    background: #fff;
    padding: 16px 0;
    text-align: center;
    border-top: 1px solid #dadce0;
}

/* Google Sign In Button */
#googleSignInButton {
    display: inline-block;
    margin: 0 auto;
}

/* Hide the Google Sign In button when not needed */
#googleSignInContainer[style*="display: none"] {
    display: none !important;
}

.email-header {
    display: flex;
    align-items: flex-start;
    padding: 0;
    margin-bottom: 8px;
}

.email-icon {
    font-size: 20px;
    margin-right: 12px;
    color: #5f6368;
    margin-top: 2px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
}

.email-info {
    flex: 1;
}

.email-account {
    font-size: 14px;
    line-height: 20px;
    margin-bottom: 4px;
    font-weight: 500;
    color: #202124;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.email-display {
    font-weight: 500;
    color: #202124;
    margin-right: 8px;
}

.switch-account {
    color: #1a73e8;
    text-decoration: none;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.25px;
}

.switch-account:hover {
    text-decoration: underline;
}

.not-shared {
    display: flex;
    align-items: center;
    font-size: 12px;
    color: #5f6368;
    line-height: 16px;
    margin-top: 4px;
}

.not-shared .email-icon {
    margin-right: 6px;
    font-size: 14px;
    line-height: 1;
}

/* Switch account link */
.switch-account {
    color: #1a73e8;
    text-decoration: none;
    font-size: 12px;
    font-weight: 500;
    margin-left: 8px;
    padding: 2px 4px;
    border-radius: 4px;
    cursor: pointer;
    white-space: nowrap;
}

.switch-account:hover {
    background-color: #f1f3f4;
    text-decoration: none;
}

/* Google Sign In Container */
#googleSignInContainer {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid #dadce0;
    display: none;
}

#googleSignInContainer > div {
    margin: 0 auto;
    max-width: 240px;
}

/* Contact Form */
.contact-form {
    background: white;
    border: 1px solid #dadce0;
    border-radius: 8px;
    padding: 24px 24px 16px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: #202124;
    margin-bottom: 8px;
    line-height: 20px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group textarea {
    width: 100%;
    padding: 13px;
    border: 1px solid #dadce0;
    border-radius: 4px;
    font-size: 14px;
    line-height: 20px;
    color: #202124;
    transition: border-color 0.2s;
    box-sizing: border-box;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="tel"]:focus,
.form-group textarea:focus {
    border-color: #1a73e8;
    outline: none;
    box-shadow: 0 0 0 2px #e8f0fe;
}

.form-group textarea {
    min-height: 120px;
    resize: none !important;
}

.required {
    color: #d93025;
    margin-left: 4px;
}

/* Form Actions */
.form-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 32px;
    gap: 8px;
}

.submit-button,
.clear-button {
    padding: 0 24px;
    height: 36px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s, box-shadow 0.2s;
}

.submit-button {
    background-color: #1a73e8;
    color: white;
    border: none;
}

.submit-button:hover {
    background-color: #1765cc;
    box-shadow: 0 1px 2px 0 rgba(26, 115, 232, 0.3), 0 1px 3px 1px rgba(26, 115, 232, 0.15);
}

.clear-button {
    background-color: white;
    color: #5f6368;
    border: 1px solid #dadce0;
}

.clear-button:hover {
    background-color: #f8f9fa;
}

/* Form Footer */
.form-footer {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid #dadce0;
}

.form-note {
    font-size: 12px;
    color: #5f6368;
    margin: 0;
    text-align: left;
}

/* Contact Form Styles */
.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

/* Force disable textarea resizing */
#message,
textarea#message,
.contact-form textarea,
.contact-section textarea {
    resize: none !important;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.875rem;
    line-height: 1.5;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="tel"]:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%236B7280' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1em 1em;
    padding-right: 2.5rem;
}

textarea {
    min-height: 150px;
    resize: none !important;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.checkbox-group input[type="checkbox"] {
    margin-top: 0.25rem;
    width: auto;
}

.form-actions {
    margin-top: 2rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease;
    width: 100%;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
}

.form-footer {
    margin-top: 1.5rem;
    font-size: 0.75rem;
    color: #5f6368;
    border-top: 1px solid #dadce0;
    padding-top: 1rem;
    line-height: 1.5;
}

.required {
    color: #EF4444;
    font-weight: bold;
}

.required-notice {
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
    color: #6B7280;
}

.form-note {
    font-style: italic;
    margin-top: 0.5rem;
    color: #9CA3AF;
}
/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563EB;
    --primary-dark: #1D4ED8;
    --secondary-color: #10B981;
    --accent-color: #F59E0B;
    --success-color: #10B981;
    --warning-color: #F59E0B;
    --text-primary: #1F2937;
    --spacing: 8px;
    --radius-lg: 12px;
}

/* Contact Content */
.contact-content {
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
}

/* Map Content */
.map-content i {
    font-size: 3rem;
    margin-bottom: calc(var(--spacing) * 2);
}

.map-content h3 {
    margin-bottom: calc(var(--spacing) * 1);
    color: white;
}

.map-content p {
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
}

/* Footer */
.footer {
    background: var(--text-primary);
    color: white;
    padding: calc(var(--spacing) * 8) 0 calc(var(--spacing) * 3);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: calc(var(--spacing) * 8);
    margin-bottom: calc(var(--spacing) * 6);
}

.footer-section {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing) * 2);
}

.footer-brand h3 {
    color: white;
    margin-bottom: calc(var(--spacing) * 2);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: calc(var(--spacing) * 2);
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-column {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
}

/* Footer Column Layouts */
.footer-column:first-child {
    justify-content: flex-start;
    text-align: left;
}

.footer-column:nth-child(2) {
    justify-content: center;
    text-align: center;
    border-left: 1px solid rgba(255, 255, 255, 0.2);
    border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-column:last-child {
    justify-content: flex-end;
    text-align: right;
}

.footer-column h4 {
    color: white;
    margin-bottom: calc(var(--spacing) * 2);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 20px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 13px;
}

.footer-bottom p {
    margin: 0;
    color:#dadce0;
    font-size: 0.85rem;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer a:hover {
    opacity: 0.8;
    text-decoration: none;
}

.divider {
    color: rgba(255, 255, 255, 0.3);
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mb-0 {
    margin-bottom: 0;
}

.mt-0 {
    margin-top: 0;
}

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

.animate-on-scroll {
    animation: fadeInUp 0.6s ease-out;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        max-width: 100%;
        padding: 0 calc(var(--spacing) * 2);
    }
}

@media (max-width: 992px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-column:last-child {
        grid-column: 1 / -1;
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing: 6px;
    }

    .services-grid,
    .values-grid,
    .categories-grid,
    .studies-grid,
    .team-grid,
    .process-steps {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }

    .footer-column {
        width: 100%;
        justify-content: center !important;
        text-align: center !important;
        padding: 10px 0;
    }

    .footer-column:nth-child(2) {
        border-left: none;
        border-right: none;
        border-top: 1px solid rgba(255, 255, 255, 0.2);
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
        padding: 20px 0;
    }

    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-legal {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        text-align: center;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }
}