/* ===================================
   CSS Variables & Design Tokens
   =================================== */
:root {
    /* Colors - Teal/Turquoise Gradient Palette */
    --primary-50: #e0f7f7;
    --primary-100: #b3ebeb;
    --primary-200: #80dddd;
    --primary-300: #4dcfcf;
    --primary-400: #26c5c5;
    --primary-500: #00bbbb;
    --primary-600: #00a5a5;
    --primary-700: #008a8a;
    --primary-800: #007070;
    --primary-900: #004747;

    /* Accent Colors */
    --accent-blue: #1e88e5;
    --accent-teal: #26a69a;
    --accent-cyan: #00acc1;

    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #eeeeee;
    --gray-300: #e0e0e0;
    --gray-400: #bdbdbd;
    --gray-500: #9e9e9e;
    --gray-600: #757575;
    --gray-700: #616161;
    --gray-800: #424242;
    --gray-900: #212121;
    --black: #000000;

    /* Semantic Colors */
    --success: #4caf50;
    --warning: #ff9800;
    --error: #f44336;
    --info: #2196f3;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Space Grotesk', var(--font-primary);

    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* ===================================
   Reset & Base Styles
   =================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-base);
}

ul,
ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ===================================
   Utility Classes
   =================================== */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--accent-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 95px;
}

.logo-img {
    height: 65px;
    width: auto;
    transition: transform var(--transition-base);
}

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

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

.nav-link {
    font-weight: 500;
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-500), var(--accent-cyan));
    transition: width var(--transition-base);
}

.nav-link:hover {
    color: var(--primary-600);
}

.nav-link:hover::after {
    width: 80%;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.language-selector {
    display: flex;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs);
    background: var(--gray-100);
    border-radius: var(--radius-full);
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--gray-600);
    background: transparent;
    transition: all var(--transition-base);
    cursor: pointer;
}

.lang-btn:hover {
    color: var(--primary-600);
    background: var(--white);
}

.lang-btn.active {
    color: var(--white);
    background: linear-gradient(135deg, var(--primary-500), var(--accent-cyan));
    box-shadow: var(--shadow-sm);
}

.lang-btn .lang-code {
    font-size: var(--text-xs);
    letter-spacing: 0.1em;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-sm);
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--gray-800);
    transition: all var(--transition-base);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-4xl) 0;
    overflow: hidden;
    background: linear-gradient(135deg, #f5f7fa 0%, #e8f4f8 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(0, 187, 187, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(30, 136, 229, 0.1) 0%, transparent 50%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-500), var(--accent-cyan));
    color: var(--white);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xl);
    animation: fadeInDown 0.8s ease-out;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-title-subtext {
    font-size: clamp(1.5rem, 3.5vw, 2.5rem);
    font-weight: 500;
    display: block;
    margin-top: var(--spacing-sm);
    color: var(--gray-700);
}

.hero-subtitle {
    font-size: var(--text-xl);
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: var(--spacing-2xl);
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-2xl);
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

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

.stat-number {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-600), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-2xl);
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    animation: fadeIn 1s ease-out 1s both;
}

.scroll-indicator span {
    display: block;
    font-size: var(--text-sm);
    color: var(--gray-500);
    margin-bottom: var(--spacing-sm);
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    margin: 0 auto;
    border-left: 2px solid var(--primary-500);
    border-bottom: 2px solid var(--primary-500);
    transform: rotate(-45deg);
    animation: bounce 2s infinite;
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--text-base);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-500), var(--accent-cyan));
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-600);
    border: 2px solid var(--primary-500);
}

.btn-secondary:hover {
    background: var(--primary-50);
    transform: translateY(-2px);
}

/* ===================================
   Section Styles
   =================================== */
.section {
    padding: var(--spacing-4xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-3xl);
}

.section-tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-lg);
    background: var(--primary-50);
    color: var(--primary-700);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    color: var(--gray-900);
}

.section-description {
    font-size: var(--text-lg);
    color: var(--gray-600);
    line-height: 1.8;
}

/* ===================================
   About Section
   =================================== */
.about {
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-4xl);
}

.about-card {
    padding: var(--spacing-2xl);
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    border: 1px solid var(--gray-200);
}

.about-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-300);
}

.about-icon {
    width: 80px;
    height: 80px;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-500), var(--accent-cyan));
    box-shadow: var(--shadow-md);
}

.about-icon svg {
    width: 40px;
    height: 40px;
    color: var(--white);
}

.about-card h3 {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

.about-card p {
    color: var(--gray-600);
    line-height: 1.8;
}

.approach-section {
    background: linear-gradient(135deg, var(--primary-50), var(--gray-50));
    padding: var(--spacing-3xl);
    border-radius: var(--radius-2xl);
}

.approach-title {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    color: var(--gray-900);
}

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

.phase-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.phase-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-500), var(--accent-cyan));
}

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

.phase-number {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--primary-200);
    margin-bottom: var(--spacing-md);
}

.phase-card h4 {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

.phase-card p {
    color: var(--gray-600);
    line-height: 1.7;
    font-size: var(--text-sm);
}

/* ===================================
   Technology Section
   =================================== */
.technology {
    background: var(--gray-50);
}

.tech-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4xl);
}

.tech-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    background: var(--white);
    padding: var(--spacing-3xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

.tech-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.tech-card-reverse {
    direction: rtl;
}

.tech-card-reverse>* {
    direction: ltr;
}

.tech-visual {
    position: relative;
    padding: var(--spacing-2xl);
    background: linear-gradient(135deg, var(--primary-50), var(--gray-100));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
}

.tech-visual img {
    width: 100%;
    max-width: 400px;
    height: auto;
}

.tech-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--primary-100);
    color: var(--primary-700);
    border-radius: var(--radius-md);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
}

.tech-content h3 {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--gray-900);
}

.tech-content p {
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.tech-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.tech-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    color: var(--gray-700);
    font-size: var(--text-sm);
}

.tech-features li::before {
    content: '✓';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, var(--primary-500), var(--accent-cyan));
    color: var(--white);
    border-radius: 50%;
    font-weight: 700;
    font-size: var(--text-xs);
    flex-shrink: 0;
}

/* ===================================
   Partners Section
   =================================== */
.partners {
    background: var(--white);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-2xl);
}



.partner-card {
    background: var(--gray-50);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    border: 2px solid var(--gray-200);
    transition: all var(--transition-base);
    position: relative;
}

.partner-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-400);
}

.partner-lead {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, var(--primary-50), var(--gray-50));
    border-color: var(--primary-300);
}

.partner-badge {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-500), var(--accent-cyan));
    color: var(--white);
    border-radius: var(--radius-md);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.partner-logo {
    width: 100%;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    background: transparent;
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.partner-card.partner-lead .partner-logo {
    height: 140px;
    padding: 0;
    margin-bottom: var(--spacing-xl);
}

.partner-logo img {
    max-height: 60px;
    width: auto;
    mix-blend-mode: multiply;
}

.partner-logo img.logo-aizoon {
    height: 120px;
    max-height: none !important;
    width: auto;
    object-fit: contain;
}

.partner-card h3 {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--gray-900);
}

.partner-role {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--primary-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
}

.partner-description {
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.partner-stats {
    display: flex;
    gap: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-300);
}

.partner-stats span {
    font-size: var(--text-sm);
    color: var(--gray-600);
    font-weight: 500;
}

/* ===================================
   Research Section
   =================================== */
.research {
    background: var(--gray-50);
}

.partner-website {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--gray-100);
    color: var(--primary-700);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 600;
    transition: all var(--transition-base);
}

.partner-website:hover {
    background: var(--primary-500);
    color: var(--white);
    transform: translateY(-2px);
}

.partner-website svg {
    width: 16px;
    height: 16px;
}

.research-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-4xl);
}

.research-card {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border-top: 4px solid var(--primary-500);
}

.research-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.research-icon {
    width: 80px;
    height: 80px;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-100), var(--gray-100));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.research-icon img {
    width: 48px;
    height: 48px;
}

.research-card h3 {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

.research-card p {
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.research-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.research-highlights span {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--primary-50);
    color: var(--primary-700);
    border-radius: var(--radius-md);
    font-size: var(--text-xs);
    font-weight: 600;
}

.innovation-section {
    background: linear-gradient(135deg, var(--primary-600), var(--accent-cyan));
    color: var(--white);
    padding: var(--spacing-3xl);
    border-radius: var(--radius-2xl);
    text-align: center;
}

.innovation-section h3 {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

.innovation-section p {
    font-size: var(--text-lg);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

.alignment-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
}

.tag {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    background: var(--white);
}

.contact-email-wrapper {
    text-align: center;
    padding: var(--spacing-4xl) var(--spacing-xl);
    background: var(--gray-50);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--gray-200);
    max-width: 800px;
    margin: 0 auto;
}

.contact-email-label {
    font-size: var(--text-lg);
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
}

.contact-email-link {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 5vw, 2.5rem);
    font-weight: 700;
    color: var(--primary-600);
    transition: all var(--transition-base);
    display: inline-block;
}

.contact-email-link:hover {
    color: var(--primary-500);
    transform: translateY(-2px);
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--white);
    color: var(--gray-700);
    padding: var(--spacing-xl) 0 0;
    border-top: 1px solid var(--gray-200);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-2xl);
    padding-bottom: var(--spacing-lg);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    max-width: 600px;
}

.footer-logo {
    height: 35px;
    width: auto;
    filter: none;
    /* Restore original colors if they were inverted */
}

.footer-brand p {
    color: var(--gray-600);
    line-height: 1.4;
    font-size: var(--text-sm);
    margin: 0;
}

.footer-links-compact {
    display: flex;
    gap: var(--spacing-xl);
}

.footer-links-compact a {
    color: var(--gray-600);
    font-size: var(--text-sm);
    font-weight: 500;
    transition: color var(--transition-base);
}

.footer-links-compact a:hover {
    color: var(--primary-600);
}

.footer-funding-banner {
    width: 100%;
    background: var(--white);
    padding: var(--spacing-md) 0;
    display: flex;
    justify-content: center;
    align-items: center;
    border-top: 1px solid var(--gray-100);
    border-bottom: 1px solid var(--gray-100);
}

.funding-img-full {
    width: 100%;
    max-height: 100px;
    object-fit: contain;
}

.footer-bottom-compact {
    background: linear-gradient(135deg, var(--primary-900) 0%, var(--primary-800) 100%);
    margin: 0 calc(-1 * var(--spacing-xl));
    /* Negative margin to span container padding if needed, but safer to stick to absolute if using 100% width parent */
    padding: var(--spacing-sm) var(--spacing-xl);
    text-align: center;
    color: var(--primary-50);
    font-size: var(--text-xs);
    border-radius: var(--radius-sm);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-bottom-compact p {
    margin: 0;
}

/* ===================================
   Animations
   =================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0) rotate(-45deg);
    }

    40% {
        transform: translateY(-10px) rotate(-45deg);
    }

    60% {
        transform: translateY(-5px) rotate(-45deg);
    }
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
    .tech-card {
        grid-template-columns: 1fr;
    }

    .tech-card-reverse {
        direction: ltr;
    }

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

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 150px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-xl);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .language-selector {
        order: -1;
        margin-bottom: var(--spacing-md);
    }

    .hamburger {
        display: flex;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-xl);
    }

    .hero-cta {
        flex-direction: column;
    }

    .about-grid,
    .phases-grid,
    .partners-grid,
    .research-grid {
        grid-template-columns: 1fr;
    }

    .partner-lead {
        grid-column: 1;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-4xl: 3rem;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.75rem;
    }
}