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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #0a0a0f;
    color: #ffffff;
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: #ffffff;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #4a9eff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background: linear-gradient(180deg, rgba(10, 10, 15, 0.95) 0%, rgba(10, 10, 15, 0.8) 100%);
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(74, 158, 255, 0.1);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.logo-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    border-radius: 8px;
}

.footer-logo-img {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

.hero-img {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(74, 158, 255, 0.2);
}

nav ul li a.nav-active {
    font-weight: 700;
    opacity: 1;
}

.signin-link-section {
    text-align: center;
    margin-top: 40px;
    padding: 20px;
    color: rgba(255, 255, 255, 0.8);
}

.signin-link-section .link-btn {
    color: #4a9eff;
    font-weight: 600;
}

.signin-link-section .link-btn:hover {
    text-decoration: underline;
}

.page-image {
    margin-top: 40px;
    text-align: center;
}

.content-image {
    max-width: 100%;
    width: 500px;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(74, 158, 255, 0.15);
}

.content-box h3 {
    margin-top: 30px;
    margin-bottom: 15px;
    color: #4a9eff;
    font-size: 1.3rem;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

nav ul li a {
    font-size: 0.95rem;
    opacity: 0.8;
}

nav ul li a:hover {
    opacity: 1;
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: linear-gradient(135deg, #0a0a0f 0%, #0f0f1a 50%, #0a0a0f 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
    background: radial-gradient(ellipse at center right, rgba(74, 158, 255, 0.05) 0%, transparent 70%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 300;
    font-style: italic;
    line-height: 1.2;
    margin-bottom: 30px;
    background: linear-gradient(135deg, #ffffff 0%, #a0a0a0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text .subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 30px;
}

.hero-text .features {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.95rem;
    margin-bottom: 40px;
}

.hero-text .features p {
    margin-bottom: 8px;
}

.btn {
    display: inline-block;
    padding: 15px 40px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 30px;
    background: transparent;
    color: #ffffff;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-primary {
    background: linear-gradient(135deg, #1a5a2e 0%, #2d8a4e 100%);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #2d8a4e 0%, #3da861 100%);
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image img {
    max-width: 100%;
    border-radius: 20px;
}

.hero-placeholder {
    width: 400px;
    height: 500px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    position: relative;
    overflow: hidden;
}

.hero-placeholder::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(74, 158, 255, 0.1) 0%, transparent 50%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.page-content {
    min-height: 100vh;
    padding: 120px 0 60px;
}

.page-title {
    font-size: 3rem;
    font-weight: 300;
    font-style: italic;
    text-align: center;
    margin-bottom: 50px;
    background: linear-gradient(135deg, #ffffff 0%, #a0a0a0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.content-box {
    max-width: 800px;
    margin: 0 auto;
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
    line-height: 1.8;
}

.content-box p {
    margin-bottom: 20px;
}

.signup-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.signup-card {
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.5) 0%, rgba(22, 33, 62, 0.5) 100%);
    border: 1px solid rgba(74, 158, 255, 0.1);
    border-radius: 20px;
    padding: 40px;
}

.signup-card h2 {
    font-size: 1.5rem;
    margin-bottom: 30px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
}

.signup-card h2 .icon {
    font-size: 1.8rem;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    background: rgba(10, 10, 15, 0.8);
    border: 1px solid rgba(74, 158, 255, 0.2);
    border-radius: 10px;
    color: #ffffff;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: rgba(74, 158, 255, 0.5);
}

.form-group input::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.form-group select option {
    background: #0a0a0f;
}

.password-requirements {
    margin-top: 10px;
    font-size: 0.85rem;
}

.password-requirements p {
    margin-bottom: 5px;
    color: rgba(255, 255, 255, 0.6);
    display: flex;
    align-items: center;
    gap: 8px;
}

.password-requirements p.valid {
    color: #4ade80;
}

.password-requirements p.invalid {
    color: #f87171;
}

.status-icon {
    font-weight: bold;
    min-width: 16px;
}

.status-icon.valid {
    color: #4ade80;
}

.status-icon.invalid {
    color: #f87171;
}

.signin-container {
    max-width: 500px;
    margin: 0 auto;
}

.signup-link {
    text-align: center;
    margin-top: 20px;
    color: rgba(255, 255, 255, 0.7);
}

.link-btn {
    color: #4a9eff;
    font-weight: 500;
}

.link-btn:hover {
    text-decoration: underline;
}

.form-submit {
    width: 100%;
    margin-top: 20px;
}

.message {
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 20px;
    display: none;
}

.message.success {
    background: rgba(45, 138, 78, 0.2);
    border: 1px solid rgba(45, 138, 78, 0.5);
    color: #4ade80;
    display: block;
}

.message.error {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid rgba(239, 68, 68, 0.5);
    color: #f87171;
    display: block;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 10px;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: #4a9eff;
    cursor: pointer;
}

.checkbox-group .checkbox-label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    cursor: pointer;
    margin-bottom: 0;
}

.form-group input:disabled {
    background: rgba(10, 10, 15, 0.4);
    color: rgba(255, 255, 255, 0.4);
    cursor: not-allowed;
}

.testimonials {
    padding: 60px 0;
}

.testimonials h2 {
    font-size: 2rem;
    font-style: italic;
    text-align: center;
    margin-bottom: 40px;
}

.testimonial-list {
    max-width: 700px;
    margin: 0 auto;
}

.testimonial {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
    color: #333;
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.testimonial-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
}

.testimonial-date {
    font-size: 0.8rem;
    color: #e74c3c;
}

.testimonial-text {
    font-size: 0.95rem;
}

footer {
    background: linear-gradient(180deg, #0a0a0f 0%, #050508 100%);
    padding: 40px 0 20px;
    border-top: 1px solid rgba(74, 158, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: auto 1fr 1fr 1fr;
    gap: 60px;
    align-items: start;
    margin-bottom: 30px;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.footer-logo .logo-icon {
    width: 60px;
    height: 60px;
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.footer-links h4 {
    margin-bottom: 15px;
    font-size: 1rem;
    font-weight: 500;
}

.footer-links ul {
    list-style: none;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    opacity: 0.7;
    font-size: 0.9rem;
}

.footer-links ul li a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .hero-image {
        display: none;
    }
    
    .signup-container {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
    
    nav ul {
        gap: 15px;
    }
}
