:root {
    --primary-color: #007AFF;
    --primary-hover: #0056CC;
    --background-color: #f5f5f7;
    --text-color: #1d1d1f;
    --secondary-text: #86868b;
    --card-bg: #ffffff;
    --border-color: #e5e5ea;
    --success-color: #34C759;
    --input-bg: #f9f9fb;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
}

header {
    text-align: center;
    margin-bottom: 50px;
}

.logo {
    font-size: 3rem;
    margin-bottom: 10px;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--secondary-text);
}

.card {
    background: var(--card-bg);
    border-radius: 18px;
    padding: 40px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
    margin-bottom: 30px;
}

section {
    margin-bottom: 40px;
}

h2 {
    font-size: 1.5rem;
    margin-bottom: 20px;
}

h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

p {
    margin-bottom: 15px;
}

a {
    color: var(--primary-color);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

ul {
    margin-bottom: 15px;
    padding-left: 20px;
}

li {
    margin-bottom: 8px;
}

/* Form Styles */
.support-form {
    margin-top: 20px;
}

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

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--border-color);
    border-radius: 12px;
    font-size: 1rem;
    font-family: inherit;
    background: var(--input-bg);
    color: var(--text-color);
    transition: border-color 0.2s, box-shadow 0.2s;
    -webkit-appearance: none;
    appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.15);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2386868b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

/* FAQ Styles */
.faq-item {
    border-bottom: 1px solid var(--border-color);
    overflow: hidden;
}

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

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 0;
    background: none;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    transition: color 0.2s;
}

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

.faq-icon {
    font-size: 1.4rem;
    font-weight: 300;
    color: var(--secondary-text);
    flex-shrink: 0;
    margin-left: 16px;
    transition: transform 0.3s;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
    padding: 0 0;
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding: 0 0 18px 0;
}

.faq-answer p {
    color: var(--secondary-text);
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* Response Note */
.response-note {
    background: #f0f9ff;
    border-left: 3px solid var(--primary-color);
    padding: 12px 16px;
    border-radius: 0 8px 8px 0;
    font-size: 0.95rem;
    color: var(--text-color);
}

/* Info Grid */
.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.info-item strong {
    font-size: 0.85rem;
    color: var(--secondary-text);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-item span {
    font-size: 1rem;
}

/* Buttons */
.btn {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 14px 28px;
    border-radius: 980px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}

.btn:hover {
    background: var(--primary-hover);
    transform: scale(1.02);
    text-decoration: none;
    color: white;
}

.btn-submit {
    width: 100%;
    padding: 16px;
    font-size: 1.05rem;
}

/* Footer */
footer {
    text-align: center;
    margin-top: 60px;
    color: var(--secondary-text);
    font-size: 0.9rem;
}

.links {
    margin-top: 20px;
}

.links a {
    color: var(--primary-color);
    text-decoration: none;
    margin: 0 10px;
}

.links a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 600px) {
    h1 {
        font-size: 2rem;
    }

    .card {
        padding: 25px;
    }

    .info-grid {
        grid-template-columns: 1fr;
    }

    .faq-question {
        font-size: 0.95rem;
    }
}