/* Custom Properties - Design System refined */
:root {
    /* Colors */
    --color-primary: #E53974;
    /* Vibrant Pink based on Image 3 */
    --color-primary-dark: #C4265A;
    --color-primary-light: #FFCCE0;

    --color-bg-page: #FFFFFF;
    /* Base White */
    --color-bg-alt: #F8F5F6;
    /* Light grey/pinkish for section alternate */
    --color-surface: #FFFFFF;

    --color-text-main: #1E1B1D;
    /* Deep dark grey/brownish */
    --color-text-muted: #6B6568;
    --color-white: #FFFFFF;

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing & Sizing */
    --safe-margin: 20px;
    --border-radius-lg: 24px;
    --border-radius-md: 16px;
    --border-radius-sm: 8px;
    --tap-target: 48px;
    /* minimum */

    /* Shadows */
    --shadow-card: 0 10px 40px -10px rgba(0, 0, 0, 0.08);
    --shadow-btn: 0 8px 16px rgba(229, 57, 116, 0.2);
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    /* safe against iOS zoom */
    line-height: 1.6;
    color: var(--color-text-main);
    background-color: var(--color-bg-page);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 var(--safe-margin);
}

.hide-mobile {
    display: none;
}

@media (min-width: 768px) {
    .hide-mobile {
        display: inline-block;
    }
}

/* --- Topbar --- */
.topbar {
    background: var(--color-surface);
    border-bottom: 1px solid #F0EBEB;
    position: sticky;
    top: 0;
    z-index: 100;
}

.topbar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}

.logo {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-text-main);
    font-family: var(--font-heading);
}

.menu {
    display: flex;
    align-items: center;
    gap: 24px;
    font-size: 0.9rem;
    font-weight: 500;
}

.menu a {
    color: var(--color-text-muted);
    transition: color 0.2s;
}

.menu a:hover {
    color: var(--color-primary);
}

/* --- Hero Section --- */
.hero-section {
    background: linear-gradient(135deg, #DD3871 0%, #B9265E 100%);
    color: var(--color-white);
    text-align: center;
    padding: 60px 0 80px;
    position: relative;
    overflow: hidden;
}

/* Subtle background overlay in hero */
.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background-image: radial-gradient(circle at top right, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 1;
}

.pre-title {
    background-color: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(4px);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.main-title {
    font-size: 2.25rem;
    font-weight: 800;
    text-transform: uppercase;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

@media (min-width: 768px) {
    .main-title {
        font-size: 3.5rem;
    }
}

.subtitle {
    font-size: 1.1rem;
    font-weight: 400;
    margin-bottom: 40px;
    opacity: 0.95;
    max-width: 600px;
}

/* --- Event Details Section --- */
.event-details {
    padding: 60px var(--safe-margin);
    text-align: center;
}

.motivational-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 40px;
}

.highlight {
    position: relative;
    display: inline-block;
    z-index: 1;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    right: 0;
    height: 4px;
    background-color: var(--color-primary);
    z-index: -1;
}

.info-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    max-width: 900px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .info-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
        max-width: 600px;
    }
}

.info-card {
    background: var(--color-surface);
    border: 1px solid #F0EBEB;
    border-radius: var(--border-radius-md);
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
    transition: transform 0.2s;
}

.info-card:hover {
    transform: translateY(-4px);
}

.icon-wrapper {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.info-card strong {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 4px;
}

.info-card p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

/* --- Communion Section (Image 2 style) --- */
.communion-section {
    background-color: var(--color-bg-alt);
    padding: 80px 0;
}

.communion-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    align-items: center;
}

@media (min-width: 800px) {
    .communion-container {
        grid-template-columns: 1fr 1fr;
        gap: 64px;
    }
}

.communion-image img {
    width: 100%;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-card);
    object-fit: cover;
    aspect-ratio: 4/3;
    background-color: #E2E2E2;
    /* placeholder bg */
}

@media (min-width: 800px) {
    .communion-image img {
        aspect-ratio: 1/1;
    }
}

.communion-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.section-tag {
    color: var(--color-primary);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title {
    font-size: 2.5rem;
    color: var(--color-text-main);
    font-weight: 800;
    line-height: 1.1;
}

.section-desc {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    margin-bottom: 16px;
}

.feature-card {
    background: var(--color-surface);
    border-radius: var(--border-radius-md);
    padding: 24px;
    display: flex;
    gap: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background-color: var(--color-primary);
}

.feature-icon {
    color: var(--color-primary);
    flex-shrink: 0;
    padding-top: 2px;
}

.feature-text strong {
    display: block;
    font-size: 1.1rem;
    color: var(--color-text-main);
    margin-bottom: 6px;
}

.feature-text p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* --- Registration Form Section --- */
.registration-section {
    padding: 60px var(--safe-margin) 100px;
}

.form-card {
    background: var(--color-surface);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    max-width: 700px;
    margin: 0 auto;
}

.form-card-header {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 40px 24px;
    text-align: center;
}

.form-card-header h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.form-card-header p {
    font-size: 1rem;
    opacity: 0.9;
}

.form-card-body {
    padding: 40px 24px;
}

@media (min-width: 768px) {
    .form-card-body {
        padding: 48px;
    }
}

.registration-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

@media (min-width: 600px) {
    .form-row {
        grid-template-columns: 1fr 1fr;
    }
}

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

.form-group label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-text-main);
}

input[type="text"],
input[type="date"],
input[type="number"] {
    width: 100%;
    height: var(--tap-target);
    padding: 0 16px;
    border: 1px solid #E2E2E2;
    border-radius: var(--border-radius-sm);
    font-family: inherit;
    font-size: 16px;
    /* iOS zoom prevent */
    color: var(--color-text-main);
    background-color: #FAFAFA;
    transition: all 0.2s;
}

input:focus {
    outline: none;
    border-color: var(--color-primary);
    background-color: var(--color-surface);
    box-shadow: 0 0 0 3px rgba(229, 57, 116, 0.1);
}

.radio-group {
    display: flex;
    gap: 12px;
}

.radio-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: var(--tap-target);
    flex: 1;
    border: 1px solid #E2E2E2;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    background-color: #FAFAFA;
    font-weight: 500 !important;
    font-size: 0.95rem;
    transition: all 0.2s;
    color: var(--color-text-muted);
}

.radio-label:has(input:checked) {
    border-color: var(--color-primary);
    background-color: var(--color-primary-light);
    color: var(--color-primary-dark);
}

input[type="radio"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
}

.data-privacy-note {
    text-align: center;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 24px;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: var(--tap-target);
    padding: 0 32px;
    border-radius: 100px;
    /* rounded pill */
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
    letter-spacing: 0.5px;
}

.btn-sm {
    height: 36px;
    padding: 0 16px;
    font-size: 0.85rem;
}

.btn-white {
    background-color: var(--color-white);
    color: var(--color-primary);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.btn-outline-pink {
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-outline-pink:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn-submit {
    background-color: var(--color-primary);
    color: var(--color-white);
    margin-top: 16px;
    width: 100%;
    border-radius: var(--border-radius-sm);
    /* Keep square slightly rounded for inputs alignment */
    font-size: 1.1rem;
    box-shadow: var(--shadow-btn);
}

.btn-submit:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(229, 57, 116, 0.25);
}

/* --- Footer (Dark based on Image 3) --- */
.site-footer {
    background-color: #2D2328;
    color: #E2DBD6;
    padding: 60px 0 40px;
    text-align: center;
}

.footer-logo {
    font-size: 2rem;
    margin-bottom: 16px;
    color: var(--color-primary);
}

.footer-phrase {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-style: italic;
    color: var(--color-white);
    margin-bottom: 24px;
}

.hashtags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    margin-bottom: 48px;
    font-size: 0.9rem;
    color: var(--color-primary);
    font-weight: 500;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    font-size: 0.85rem;
    color: #A0969A;
}

@media (min-width: 600px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
}

.footer-links a:hover {
    color: var(--color-white);
}

/* --- Success State --- */
.success-message {
    text-align: center;
    padding: 64px 24px;
    background: var(--color-surface);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-card);
    max-width: 600px;
    margin: 0 auto;
}

.success-icon {
    font-size: 4rem;
    margin-bottom: 16px;
}

.success-message h3 {
    color: var(--color-primary);
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.error-msg {
    color: #D32F2F;
    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;
}