/* assets/css/style.css */

:root {
    --color-primary: #0f4c81;
    --color-primary-dark: #0a3760;
    --color-accent: #f2a900;
    --color-bg: #f5f7fa;
    --color-white: #ffffff;
    --color-text: #2b2f36;
    --color-text-light: #6b7280;
    --color-border: #e2e6ea;
    --color-required: #d64545;
    --radius: 10px;
    --shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
    --font-main: 'Poppins', sans-serif;
}

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

body {
    font-family: var(--font-main);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    padding: clamp(1rem, 4vw, 2.5rem) 1rem;
}

.lang-switch {
    max-width: 640px;
    margin: 0 auto 1rem;
    text-align: right;
    font-size: 0.9rem;
}

.lang-switch a {
    text-decoration: none;
    color: var(--color-text-light);
    padding: 0.2rem 0.4rem;
}

.lang-switch a.active {
    color: var(--color-primary);
    font-weight: 600;
}

.container {
    max-width: 640px;
    margin: 0 auto;
    background: var(--color-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: clamp(1.5rem, 5vw, 3rem);
}

.header {
    text-align: center;
    margin-bottom: clamp(1.5rem, 4vw, 2rem);
}

.header h1 {
    font-size: clamp(1.4rem, 3vw + 1rem, 2rem);
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.subheading {
    color: var(--color-text-light);
    font-size: clamp(0.9rem, 2vw, 1rem);
}

.about {
    background: var(--color-bg);
    border-radius: var(--radius);
    padding: clamp(1rem, 3vw, 1.5rem);
    margin-bottom: clamp(1.5rem, 4vw, 2rem);
}

.about h2 {
    color: var(--color-primary);
    font-size: 1.1rem;
    margin-bottom: 0.6rem;
}

.about p {
    font-size: 0.92rem;
    color: var(--color-text-light);
    margin-bottom: 0.6rem;
}

.about p:last-child {
    margin-bottom: 0;
}

.form-group {
    margin-bottom: 1.3rem;
}

label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.4rem;
    font-size: 0.95rem;
}

.req {
    color: var(--color-required);
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="file"],
select {
    width: 100%;
    padding: 0.75rem 0.9rem;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-family: var(--font-main);
    font-size: 0.95rem;
    background: var(--color-white);
    transition: border-color 0.2s ease;
}

input:focus,
select:focus {
    outline: none;
    border-color: var(--color-primary);
}

.radio-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.radio-row label {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 400;
    margin-bottom: 0;
}

.radio-row input[type="radio"] {
    width: auto;
    accent-color: var(--color-primary);
}

.btn-submit {
    display: inline-block;
    width: 100%;
    text-align: center;
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    padding: 0.9rem;
    border-radius: 8px;
    font-family: var(--font-main);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s ease;
}

.pdpa-group {
    background: var(--color-bg);
    border-radius: 8px;
    padding: 0.9rem 1rem;
    margin-bottom: 1.5rem;
}

.pdpa-label {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    font-weight: 400;
    font-size: 0.85rem;
    color: var(--color-text-light);
    cursor: pointer;
    margin-bottom: 0;
}

.pdpa-label input[type="checkbox"] {
    width: auto;
    margin-top: 0.2rem;
    flex-shrink: 0;
    accent-color: var(--color-primary);
}

.btn-submit:hover {
    background: var(--color-primary-dark);
}

.btn-link {
    margin-top: 1.5rem;
}

/* Thank you page */
.thankyou-container {
    text-align: center;
    padding: clamp(2.5rem, 6vw, 4rem) clamp(1.5rem, 5vw, 3rem);
}

.thankyou-icon {
    width: 64px;
    height: 64px;
    line-height: 64px;
    border-radius: 50%;
    background: var(--color-accent);
    color: var(--color-white);
    font-size: 2rem;
    font-weight: 700;
    margin: 0 auto 1.2rem;
}

.thankyou-container h1 {
    color: var(--color-primary);
    margin-bottom: 0.8rem;
}

.duplicate-icon {
    background: var(--color-required);
}

.thankyou-container p {
    color: var(--color-text-light);
    margin-bottom: 1rem;
}

/* Responsive tweaks for small screens */
@media (max-width: 480px) {
    .radio-row {
        flex-direction: column;
        gap: 0.6rem;
    }
}