/* ================================
   CSS Variables & Base Styles
   ================================ */

:root {
    /* Warm Color Palette */
    --primary-color: #2C5F7C;        /* Deep blue */
    --primary-dark: #1E4159;
    --primary-light: #4A8FB9;
    --secondary-color: #D4A574;      /* Warm gold */
    --secondary-dark: #B8894E;
    --secondary-light: #E8C9A1;

    /* Accent Colors */
    --accent-warm: #E87461;          /* Warm coral */
    --accent-green: #6B9B7C;         /* Soft green */
    --accent-purple: #8B7BA8;

    /* Neutral Colors */
    --white: #FFFFFF;
    --off-white: #F9F7F4;
    --light-gray: #E8E6E3;
    --gray: #A8A6A3;
    --dark-gray: #5A5856;
    --black: #2A2826;

    /* Semantic Colors */
    --success: #6B9B7C;
    --error: #D9534F;
    --warning: #F0AD4E;
    --info: #5BC0DE;

    /* Typography */
    --font-hebrew: 'Heebo', sans-serif;
    --font-english: 'Frank Ruhl Libre', serif;
    --font-body: var(--font-hebrew);
    --font-heading: var(--font-english);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.25);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Container */
    --container-max-width: 1200px;
}

/* ================================
   Reset & Base Styles
   ================================ */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--black);
    background-color: var(--off-white);
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

/* ================================
   Typography
   ================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

.lead {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--primary-color);
}

/* ================================
   Buttons
   ================================ */

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-base);
    border: none;
    font-family: var(--font-body);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

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

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

.btn-tier {
    width: 100%;
    background: var(--secondary-color);
    color: var(--white);
}

.btn-tier:hover {
    background: var(--secondary-dark);
    transform: scale(1.05);
}

.btn-featured {
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-light));
    font-size: 1.1rem;
}

.btn-payment {
    width: 100%;
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.btn-stripe {
    background: #635BFF;
    color: var(--white);
}

.btn-stripe:hover {
    background: #4F46E5;
}

.btn-submit {
    width: 100%;
    padding: var(--spacing-md);
    font-size: 1.1rem;
    margin-top: var(--spacing-md);
}

/* ================================
   Header & Navigation
   ================================ */

.header {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-md);
}

.logo h1 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin: 0;
}

.logo-subtitle {
    font-size: 0.9rem;
    color: var(--gray);
    margin: 0;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    font-weight: 500;
    color: var(--dark-gray);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

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

.nav-link.lang-switch {
    background: var(--light-gray);
    color: var(--primary-color);
    font-weight: 600;
}

.nav-link.lang-switch:hover {
    background: var(--primary-color);
    color: var(--white);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* ================================
   Hero Section
   ================================ */

.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--white);
    padding: var(--spacing-xxl) 0;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(212, 165, 116, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(232, 116, 97, 0.1) 0%, transparent 50%);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></svg>') repeat;
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    text-shadow: var(--shadow-md);
}

.hero-subtitle {
    font-size: 1.5rem;
    font-style: italic;
    opacity: 0.9;
    margin-bottom: var(--spacing-sm);
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 50px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.scroll-indicator span {
    width: 6px;
    height: 10px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 3px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { transform: translateY(0); opacity: 0; }
    50% { opacity: 1; }
    100% { transform: translateY(20px); opacity: 0; }
}

/* ================================
   Section Styles
   ================================ */

.section {
    padding: var(--spacing-xxl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    color: var(--primary-color);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--secondary-color), transparent);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray);
    font-style: italic;
    margin-top: var(--spacing-md);
}

/* ================================
   Vision Section
   ================================ */

.vision {
    background: var(--white);
}

.vision-content {
    max-width: 900px;
    margin: 0 auto;
}

.vision-text p {
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
    text-align: justify;
}

.vision-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.feature {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--off-white);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.feature h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.feature p {
    color: var(--dark-gray);
    font-size: 0.95rem;
}

/* ================================
   Gallery Section
   ================================ */

.gallery {
    background: var(--off-white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    aspect-ratio: 4 / 3;
    background: var(--light-gray);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: var(--white);
    padding: var(--spacing-md);
    transform: translateY(100%);
    transition: var(--transition-base);
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-overlay p {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
}

.gallery-note {
    text-align: center;
    color: var(--gray);
    font-size: 0.9rem;
    font-style: italic;
}

/* ================================
   Donation Section
   ================================ */

.donate {
    background: var(--white);
}

.donation-tiers {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xxl);
}

.tier {
    background: var(--off-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: var(--transition-base);
    border: 2px solid transparent;
    position: relative;
}

.tier:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.tier.featured {
    background: linear-gradient(135deg, var(--off-white), var(--light-gray));
    border-color: var(--secondary-color);
    box-shadow: var(--shadow-md);
}

.tier-badge {
    display: inline-block;
    background: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.featured .tier-badge {
    background: var(--secondary-color);
}

.popular-badge {
    position: absolute;
    top: -12px;
    right: var(--spacing-md);
    background: var(--accent-warm);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-xl);
    font-size: 0.85rem;
    font-weight: 700;
}

.tier-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.tier-price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
}

.tier-benefits {
    text-align: right;
    margin-bottom: var(--spacing-lg);
}

.tier-benefits li {
    padding: var(--spacing-xs) 0;
    color: var(--dark-gray);
    position: relative;
    padding-right: var(--spacing-md);
}

.tier-benefits li::before {
    content: '✓';
    position: absolute;
    right: 0;
    color: var(--accent-green);
    font-weight: 700;
}

/* ================================
   Donation Form
   ================================ */

.donation-form-container {
    max-width: 600px;
    margin: 0 auto;
    background: var(--off-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.donation-form h3 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--dark-gray);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="number"],
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-fast);
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(44, 95, 124, 0.1);
}

.amount-input-group {
    position: relative;
}

.currency-symbol {
    position: absolute;
    left: var(--spacing-sm);
    top: 50%;
    transform: translateY(-50%);
    font-weight: 700;
    color: var(--dark-gray);
}

.amount-input-group input {
    padding-left: var(--spacing-xl);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-weight: 500;
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.form-help {
    font-size: 0.85rem;
    color: var(--gray);
    margin-top: var(--spacing-xs);
}

.payment-methods {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--light-gray);
}

.payment-methods h4 {
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.payment-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.paypal-container {
    min-height: 50px;
}

.card-element {
    padding: var(--spacing-md);
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-md);
    background: var(--white);
    margin-top: var(--spacing-md);
}

.error-message {
    color: var(--error);
    font-size: 0.9rem;
    margin-top: var(--spacing-sm);
    min-height: 20px;
}

.donation-security {
    margin-top: var(--spacing-lg);
    text-align: center;
    color: var(--gray);
    font-size: 0.9rem;
}

.donation-security p {
    margin-bottom: var(--spacing-xs);
}

.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--white);
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ================================
   Zeffy Integration Styles
   ================================ */

.zeffy-container {
    width: 100%;
    margin-top: var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.zeffy-button-wrapper {
    text-align: center;
    padding: var(--spacing-xl);
}

.zeffy-description {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    color: var(--dark-gray);
}

.zeffy-button {
    display: inline-block;
    font-size: 1.2rem;
    padding: var(--spacing-md) var(--spacing-xxl);
    min-width: 300px;
}

.zeffy-note {
    margin-top: var(--spacing-md);
    font-size: 0.95rem;
    color: var(--accent-green);
    font-weight: 600;
}

.btn-large {
    font-size: 1.2rem;
    padding: var(--spacing-md) var(--spacing-xxl);
}

/* ================================
   Donors Section
   ================================ */

.donors {
    background: var(--off-white);
}

.donors-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
    font-size: 1.1rem;
    color: var(--dark-gray);
}

.donors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.donor-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.donor-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.donor-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.donor-name {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.donor-level {
    font-size: 0.9rem;
    color: var(--secondary-color);
    font-weight: 600;
}

.donors-note {
    text-align: center;
    color: var(--gray);
    font-size: 0.85rem;
    font-style: italic;
}

/* ================================
   Footer
   ================================ */

.footer {
    background: var(--primary-dark);
    color: var(--white);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: var(--spacing-md);
    color: var(--secondary-light);
}

.footer-tagline {
    font-style: italic;
    opacity: 0.8;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    opacity: 0.7;
}

.footer-bottom p {
    margin-bottom: var(--spacing-xs);
}