:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #8b5cf6;
    --accent: #06b6d4;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --navbar-color: #002E5B;
    --bg-light: #f8fafc;
    --bg-light-secondary: #f1f5f9;
    --bg-light-tertiary: #e2e8f0;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(0, 0, 0, 0.1);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-light);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--navbar-color);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.navbar-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    position: relative;
}

.navbar-brand {
    flex-shrink: 0;
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex-direction: row;
    list-style: none;
    margin: 0;
    padding: 0;
    margin-left: auto;
    margin-right: 1rem;
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
}

.navbar-toggler {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 30px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.navbar-toggler span {
    width: 100%;
    height: 3px;
    background: white;
    border-radius: 3px;
    transition: all 0.3s ease;
    transform-origin: center;
}

.navbar-toggler.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.navbar-toggler.active span:nth-child(2) {
    opacity: 0;
}

.navbar-toggler.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.navbar.scrolled {
    background: var(--navbar-color);
    box-shadow: var(--shadow-lg);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #ffffff;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.25rem;
    transition: all 0.3s ease;
}

.navbar-brand:hover {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
}

.navbar-brand img {
    width: 40px;
    height: 40px;
    border-radius: 10px;
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex-direction: row;
    list-style: none;
    margin: 0;
    padding: 0;
    margin-left: auto;
    margin-right: 2rem;
}

.nav-link {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
}

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

.nav-link:hover {
    color: white;
    text-decoration: none;
}

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

.btn-signin {
    background: white;
    border: 1px solid #dadce0;
    border-radius: 4px;
    padding: 0.75rem 1.5rem;
    color: #3c4043;
    font-weight: 500;
    font-size: 0.875rem;
    font-family: 'Google Sans', 'Roboto', sans-serif;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.2s ease;
    text-decoration: none;
    box-shadow: 0 1px 2px 0 rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);
}

.btn-signin:hover {
    box-shadow: 0 1px 3px 0 rgba(60, 64, 67, 0.3), 0 4px 8px 3px rgba(60, 64, 67, 0.15);
    background-color: #f8f9fa;
    color: #3c4043;
    text-decoration: none;
}

.btn-signin:active {
    background-color: #f1f3f4;
    box-shadow: 0 1px 2px 0 rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);
}

.btn-signin .google-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.btn-signin-text {
    white-space: nowrap;
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 8rem 0 4rem;
    overflow: hidden;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 50%, #f1f5f9 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 50%, #f1f5f9 100%);
}

.hero-background::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.05) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

.hero-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23000000' fill-opacity='0.02'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    width: 100%;
}

.hero-text {
    position: relative;
    z-index: 2;
    max-width: 100%;
}

.hero-image {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    width: 100%;
    grid-column: 2;
}

.hero-text {
    position: relative;
    z-index: 2;
    max-width: 100%;
    grid-column: 1;
}

.workflow-illustration {
    width: 100%;
    max-width: 600px;
    height: auto;
    animation: fadeInUp 0.8s ease-out 0.6s both;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-img {
    width: 100%;
    height: auto;
    max-width: 100%;
    object-fit: contain;
    filter: drop-shadow(0 20px 40px rgba(0, 46, 91, 0.1));
    border-radius: 12px;
}


.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    animation: fadeInDown 0.8s ease-out;
    box-shadow: var(--shadow-sm);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #002E5B 0%, #1e40af 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 100%;
    line-height: 1.7;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-version {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-top: 1rem;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

/* Features Section */
.features-section {
    padding: 6rem 0;
    position: relative;
    background: var(--bg-light-secondary);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    text-align: center;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #002E5B 0%, #1e40af 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    text-align: center;
    max-width: 600px;
    margin: 0 auto 4rem;
    line-height: 1.7;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: white;
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: var(--shadow-xl);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

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

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Organizations Section */
.organizations-section {
    padding: 6rem 0;
    position: relative;
}

.organizations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.organization-card {
    background: white;
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2.5rem;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    min-height: 320px;
    box-shadow: var(--shadow-md);
}

.organization-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--primary));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.organization-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.organization-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: rgba(99, 102, 241, 0.4);
    box-shadow: var(--shadow-2xl);
    text-decoration: none;
    color: inherit;
}

.organization-card:hover::before {
    transform: scaleX(1);
}

.organization-card:hover::after {
    opacity: 1;
}

.organization-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    background: linear-gradient(135deg, var(--accent), var(--primary));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    box-shadow: 0 10px 30px rgba(6, 182, 212, 0.3);
    position: relative;
    z-index: 2;
}

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

.organization-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 2;
}

.organization-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
    line-height: 1.3;
}

.organization-description {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    flex: 1;
}

.organization-status {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, var(--success), #059669);
    color: white;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    align-self: flex-start;
}

.organization-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: white;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.1); }
}

.no-organizations {
    text-align: center;
    padding: 4rem 2rem;
    background: white;
    backdrop-filter: blur(20px);
    border-radius: 24px;
    border: 1px solid var(--glass-border);
    max-width: 600px;
    margin: 0 auto;
    box-shadow: var(--shadow-md);
}

.no-organizations-icon {
    width: 100px;
    height: 100px;
    border-radius: 24px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
}

.no-organizations-icon i {
    font-size: 3rem;
    color: var(--primary-light);
}

.no-organizations-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.no-organizations-text {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Footer */
.footer {
    background: var(--bg-light-secondary);
    border-top: 1px solid var(--glass-border);
    padding: 3rem 0 2rem;
    margin-top: 4rem;
}

.footer-content {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-content a {
    color: var(--primary-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-content a:hover {
    color: var(--primary);
    text-decoration: underline;
}

/* Error Messages */
.error-message {
    background: linear-gradient(135deg, var(--danger), #dc2626);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    font-weight: 500;
    text-align: center;
    animation: shake 0.5s ease-in-out;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

/* Animations */
@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);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        padding: 6rem 0 3rem;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero-text {
        grid-column: 1;
    }

    .hero-image {
        grid-column: 1;
        order: -1;
        justify-content: center;
    }

    .workflow-illustration {
        max-width: 100%;
    }

    .features-section,
    .organizations-section {
        padding: 4rem 0;
    }

    .features-grid,
    .organizations-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .organization-card {
        min-height: 280px;
        padding: 2rem;
    }

    .navbar {
        padding: 0.75rem 0;
    }

    .navbar-toggler {
        display: flex;
    }

    .navbar-right {
        gap: 0.75rem;
    }

    .btn-signin {
        padding: 0.625rem 1rem;
        font-size: 0.8rem;
    }

    .btn-signin-text {
        display: none;
    }

    .btn-signin .google-icon {
        margin: 0;
    }

    .navbar-nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--navbar-color);
        flex-direction: column;
        align-items: flex-start;
        padding: 2rem;
        gap: 1.5rem;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        transform: translateX(100%);
        transition: transform 0.3s ease;
        z-index: 1000;
        max-height: calc(100vh - 70px);
        overflow-y: auto;
        width: 100%;
    }

    .navbar-nav.active {
        transform: translateX(0);
    }

    .nav-link {
        font-size: 1rem;
        padding: 0.75rem 0;
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-link::after {
        display: none;
    }
}

@media (max-width: 480px) {
    .navbar-nav {
        top: 60px;
        padding: 1.5rem;
    }

    .navbar-brand {
        font-size: 1.1rem;
    }

    .navbar-brand img {
        width: 35px;
        height: 35px;
    }

    .navbar-right {
        gap: 0.5rem;
    }

    .btn-signin {
        padding: 0.5rem 0.75rem;
        min-width: auto;
    }

    .btn-signin .google-icon {
        width: 18px;
        height: 18px;
    }

    .navbar-toggler {
        width: 28px;
        height: 28px;
    }
}

@media (max-width: 480px) {
    .organization-card {
        padding: 1.5rem;
        min-height: 260px;
    }

    .feature-card {
        padding: 1.5rem;
    }
}

/* Loading States */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 24px;
    z-index: 10;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.organization-card.loading .loading-overlay {
    opacity: 1;
    pointer-events: all;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(99, 102, 241, 0.2);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}