:root {
    --bg-color: #142238;
    --surface-color: rgba(30, 48, 74, 0.4);
    --surface-border: rgba(56, 189, 248, 0.2);
    --primary-color: #0ea5e9;
    --primary-hover: #38bdf8;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    position: relative;
}

/* Background Animations */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    background: radial-gradient(circle at center, #1c2f4c 0%, #142238 100%);
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 20s infinite alternate cubic-bezier(0.4, 0, 0.2, 1);
}

.blob-1 {
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: rgba(14, 165, 233, 0.15);
    animation-delay: 0s;
}

.blob-2 {
    bottom: -20%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    background: rgba(56, 189, 248, 0.1);
    animation-delay: -5s;
}

.blob-3 {
    top: 40%;
    left: 40%;
    width: 40vw;
    height: 40vw;
    background: rgba(2, 132, 199, 0.15);
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(5%, 5%) scale(1.1); }
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    line-height: 1.2;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.2s;
}

a:hover {
    color: var(--primary-hover);
}

/* Layout */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

/* Glassmorphism */
.glass-panel {
    background: var(--surface-color);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border: 1px solid var(--surface-border);
    border-radius: 20px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

/* Navbar */
.navbar {
    position: sticky;
    top: 20px;
    z-index: 100;
    margin: 0 20px;
    border-radius: 100px;
    padding: 1rem 0;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.brand {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.brand:hover {
    color: var(--primary-hover);
}

.brand-icon {
    color: var(--primary-color);
}

.nav-link {
    font-weight: 500;
    color: var(--text-main);
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    border-radius: 100px;
    font-weight: 600;
    font-family: var(--font-heading);
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #0284c7);
    color: white;
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.5);
    color: white;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-main);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
    color: white;
}

/* Hero Section */
.hero {
    padding: 6rem 0 4rem;
    text-align: center;
}

.chip {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(14, 165, 233, 0.15);
    color: var(--primary-hover);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 2rem;
    border: 1px solid rgba(14, 165, 233, 0.3);
    animation: fadeInDown 0.8s ease-out;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease-out;
}

.hero-title span {
    background: linear-gradient(135deg, var(--primary-hover), #818cf8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 4rem;
    animation: fadeInUp 1s ease-out;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 5rem;
    animation: fadeInUp 1.2s ease-out;
}

.feature-card {
    padding: 2.5rem;
    text-align: left;
    transition: transform 0.3s ease, background 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    background: rgba(30, 48, 74, 0.6);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-muted);
}

/* CTA Section */
.cta-section {
    padding: 4rem 2rem;
    margin: 0 auto;
    max-width: 800px;
    animation: fadeInUp 1.4s ease-out;
}

.cta-section h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.cta-section p {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.signup-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center;
    max-width: 500px;
    margin: 0 auto;
}

.form-group {
    display: flex;
    gap: 1rem;
    width: 100%;
}

.signup-form input,
.signup-form textarea {
    flex: 1;
    padding: 0.8rem 1.5rem;
    border-radius: 100px;
    border: 1px solid var(--surface-border);
    background: rgba(0, 0, 0, 0.3);
    color: white;
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s;
}

.signup-form textarea {
    border-radius: 20px;
    min-height: 100px;
    resize: vertical;
}

.signup-form input:focus,
.signup-form textarea:focus {
    border-color: var(--primary-color);
}

.checkbox-container {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    cursor: pointer;
    margin-top: 0.5rem;
    padding-left: 0.5rem;
}

.checkbox-container input {
    width: auto;
    flex: none;
    cursor: pointer;
    accent-color: var(--primary-color);
    width: 1.2rem;
    height: 1.2rem;
}

/* Support Specific */
.support-header {
    padding: 4rem 0 3rem;
    animation: fadeInUp 0.8s ease-out;
}

.support-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
    animation: fadeInUp 1s ease-out;
}

.support-card {
    padding: 3rem;
    text-align: center;
}

.support-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.support-card p {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.full-width {
    grid-column: 1 / -1;
}

.support-btn {
    width: 100%;
}

.faq-item {
    text-align: left;
    margin-top: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--surface-border);
}

.faq-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.faq-item h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--primary-hover);
}

/* Footer */
footer {
    margin-top: auto;
    padding: 2rem 0;
    border-top: 1px solid var(--surface-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }
    
    .hero {
        padding: 4rem 0 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .form-group {
        flex-direction: column;
        gap: 0.8rem;
    }

    .form-group .btn {
        width: 100%;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .navbar {
        margin: 10px;
        border-radius: 20px;
    }
    
    .feature-card {
        padding: 1.5rem;
    }

    .support-cards {
        grid-template-columns: 1fr;
    }

    .support-card {
        padding: 2rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .chip {
        font-size: 0.8rem;
        padding: 0.3rem 0.8rem;
    }

    .container {
        padding: 0 1rem;
    }
    
    .checkbox-container {
        align-items: flex-start;
        text-align: left;
    }

    .checkbox-container input {
        margin-top: 0.2rem;
    }
}

/* Language Switcher */
.lang-switch {
    display: flex;
    align-items: center;
}

.lang-link {
    color: var(--text-muted);
    font-weight: 500;
    transition: color 0.2s;
}

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

.lang-active {
    color: var(--text-main);
    font-weight: 700;
}

.lang-divider {
    color: var(--surface-border);
    margin: 0 0.5rem;
}