/* ============================================
   VARIABLES & RESET
============================================ */
:root {
    --primary: #1e4a9a;
    --primary-dark: #153670;
    --accent: #ff7556;
    --success: #10b981;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --white: #ffffff;
    --bg-light: #f8fafc;
    --border: #e2e8f0;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
}

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

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

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

/* ============================================
   TOP BAR
============================================ */
.top-bar {
    background: var(--primary);
    color: var(--white);
    padding: 10px 0;
    font-size: 13px;
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.contact-info {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.contact-info a {
    color: var(--white);
    text-decoration: none;
    transition: opacity 0.3s;
}

.contact-info a:hover {
    opacity: 0.8;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    color: var(--white);
    text-decoration: none;
    font-size: 18px;
    transition: transform 0.3s;
}

.social-links a:hover {
    transform: scale(1.1);
}

/* ============================================
   HEADER & NAVIGATION
============================================ */
.header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    font-size: 15px;
}

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

/* ============================================
   SIGNUP SECTION
============================================ */
.signup-section {
    padding: 60px 0;
    min-height: calc(100vh - 200px);
}

.signup-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.signup-card {
    background: var(--white);
    padding: 50px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.signup-header {
    margin-bottom: 40px;
}

.signup-header h1 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.signup-header p {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.6;
}

/* ============================================
   FORM STYLES
============================================ */
.signup-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.required {
    color: #ef4444;
}

.form-input {
    padding: 14px 16px;
    border: 2px solid var(--border);
    border-radius: 10px;
    font-size: 15px;
    transition: all 0.3s;
    font-family: inherit;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(30, 74, 154, 0.1);
}

.form-input::placeholder {
    color: #94a3b8;
}

.form-hint {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: -4px;
}

.checkbox-group {
    margin-top: 8px;
}

.checkbox-label {
    display: flex;
    align-items: start;
    gap: 12px;
    cursor: pointer;
    font-size: 14px;
}

.checkbox-label input[type="checkbox"] {
    margin-top: 3px;
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary);
}

.checkbox-text {
    color: var(--text-secondary);
    line-height: 1.6;
}

.link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
}

.link:hover {
    opacity: 0.8;
}

.form-footer {
    text-align: center;
    margin-top: 16px;
    font-size: 15px;
    color: var(--text-secondary);
}

/* ============================================
   BUTTON
============================================ */
.btn {
    padding: 16px 32px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    border: none;
    transition: all 0.3s;
    font-family: inherit;
}

.btn-primary {
    background: var(--accent);
    color: var(--white);
    width: 100%;
    margin-top: 8px;
}

.btn-primary:hover {
    background: #ff5a3d;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 117, 86, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

/* ============================================
   BENEFITS SECTION
============================================ */
.signup-benefits {
    position: sticky;
    top: 120px;
}

.signup-benefits h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 30px;
}

.benefit-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.benefit-item {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.benefit-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-lg);
}

.benefit-icon {
    font-size: 40px;
    flex-shrink: 0;
}

.benefit-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.benefit-content p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

/* ============================================
   FOOTER
============================================ */
.footer {
    background: var(--primary);
    color: var(--white);
    padding: 60px 0 20px;
    margin-top: 80px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 20px;
    margin-bottom: 20px;
}

.footer-section h4 {
    font-size: 16px;
    margin-bottom: 15px;
    font-weight: 600;
}

.footer-section p {
    opacity: 0.9;
    line-height: 1.7;
    margin-bottom: 15px;
}

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

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

.footer-section ul li a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.9;
    transition: opacity 0.3s;
}

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

.footer-contact li {
    opacity: 0.9;
    margin-bottom: 10px;
}

.footer-social {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.footer-social a {
    color: var(--white);
    font-size: 20px;
    text-decoration: none;
    transition: transform 0.3s;
}

.footer-social a:hover {
    transform: scale(1.1);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.footer-bottom p {
    opacity: 0.9;
    font-size: 14px;
}

.footer-links {
    display: flex;
    gap: 10px;
    align-items: center;
    font-size: 14px;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.9;
    transition: opacity 0.3s;
}

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

/* ============================================
   RESPONSIVE DESIGN
============================================ */
@media (max-width: 968px) {
    .signup-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .signup-benefits {
        position: static;
    }
}

@media (max-width: 768px) {
    .top-bar-content {
        flex-direction: column;
        text-align: center;
    }

    .contact-info {
        flex-direction: column;
        gap: 5px;
    }

    .signup-card {
        padding: 30px 24px;
    }

    .signup-header h1 {
        font-size: 26px;
    }

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

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

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

@media (max-width: 480px) {
    .signup-card {
        padding: 24px 16px;
    }

    .signup-header h1 {
        font-size: 24px;
    }

    .form-input {
        padding: 12px 14px;
    }

    .benefit-item {
        flex-direction: column;
        text-align: center;
    }

    .benefit-icon {
        font-size: 36px;
    }
}