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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 25%, #0f3460 50%, #533483 75%, #1a1a2e 100%);
    background-attachment: fixed;
    color: #ffffff;
    min-height: 100vh;
    position: relative;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
.header {
    padding: 1.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.logo {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-img {
    width: 100%;
    height: 100%;
    display: block;
}

.nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: #ffffff;
    text-decoration: none;
    font-size: 0.95rem;
    transition: opacity 0.3s;
    position: relative;
}

.nav-link:hover {
    opacity: 0.7;
}

.nav-link::after {
    content: '▼';
    font-size: 0.6rem;
    margin-left: 0.3rem;
    opacity: 0.6;
}

.cta-button {
    background: linear-gradient(135deg, #9d4edd 0%, #7b2cbf 100%);
    color: #ffffff;
    border: none;
    padding: 0.7rem 1.5rem;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(157, 78, 221, 0.4);
}

/* Main Content */
.main-content {
    padding: 4rem 0;
    min-height: calc(100vh - 200px);
}

.hero-section {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.main-headline {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #ffffff 0%, #e0e0e0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sub-headline {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 3rem;
    font-weight: 300;
}

/* Form Styles */
.gift-form {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 3rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 0.9rem 1.2rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: #ffffff;
    font-size: 1rem;
    transition: all 0.3s;
}

.form-group input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.form-group input:focus {
    outline: none;
    border-color: #9d4edd;
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 3px rgba(157, 78, 221, 0.2);
}

.options-title {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: rgba(255, 255, 255, 0.95);
    font-weight: 600;
}

.gift-options {
    margin: 2.5rem 0;
}

.delivery-address-section {
    margin: 2.5rem 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.section-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: rgba(255, 255, 255, 0.95);
    font-weight: 600;
    text-align: left;
}

.section-description {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1rem;
    text-align: left;
    line-height: 1.6;
}

.section-note {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 1.5rem;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-left: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    text-align: left;
    line-height: 1.5;
}

.field-hint {
    display: block;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 0.5rem;
    font-style: italic;
}

.required-indicator {
    color: #ff6b6b;
    margin-left: 0.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 1rem;
}

.option-card {
    margin-bottom: 1.5rem;
}

.option-card input[type="radio"] {
    display: none;
}

.option-label {
    display: block;
    cursor: pointer;
    transition: all 0.3s;
}

.option-content {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 2rem;
    text-align: left;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.option-card input[type="radio"]:checked + .option-label .option-content {
    background: rgba(157, 78, 221, 0.2);
    border-color: #9d4edd;
    box-shadow: 0 0 0 3px rgba(157, 78, 221, 0.2);
}

.option-label:hover .option-content {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.option-icon {
    font-size: 3rem;
    flex-shrink: 0;
}

.option-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #ffffff;
    font-weight: 600;
}

.option-content p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.5;
}

.form-actions {
    margin-top: 2.5rem;
}

.submit-button {
    background: linear-gradient(135deg, #9d4edd 0%, #7b2cbf 100%);
    color: #ffffff;
    border: none;
    padding: 1rem 2.5rem;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    width: 100%;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(157, 78, 221, 0.4);
}

.submit-button:active {
    transform: translateY(0);
}

.success-message {
    background: rgba(76, 175, 80, 0.2);
    border: 2px solid #4caf50;
    border-radius: 12px;
    padding: 2rem;
    margin-top: 2rem;
}

.success-message h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #4caf50;
}

.success-message p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
}

.hidden {
    display: none;
}

/* Footer */
.footer {
    padding: 2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 4rem;
}

.preferences-link {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: opacity 0.3s;
}

.preferences-link:hover {
    opacity: 0.8;
}

.preferences-icon {
    font-size: 1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-headline {
        font-size: 2.5rem;
    }

    .sub-headline {
        font-size: 1.1rem;
    }

    .gift-form {
        padding: 2rem 1.5rem;
    }

    .nav {
        display: none;
    }

    .option-content {
        flex-direction: column;
        text-align: center;
    }

    .option-icon {
        font-size: 2.5rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}