/* ==========================================
   JUDAH'S BAR MITZVAH - SAVE THE DATE
   Design System & Styles
   ========================================== */

/* === CSS VARIABLES === */
:root {
    /* Colors */
    --primary-blue: #2B6CB0;
    --light-blue: #63B3ED;
    --primary-yellow: #F6C90E;
    --soft-yellow: #FFF4CC;
    --dark-grey: #2D3748;
    --medium-grey: #718096;
    --light-grey: #EDF2F7;
    --white: #FFFFFF;
    
    /* Typography */
    --font-main: 'Work Sans', sans-serif;
    --font-display: 'Fraunces', serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);
}

/* === RESET & BASE STYLES === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--dark-grey);
    line-height: 1.6;
    background-color: var(--white);
    overflow-x: hidden;
}

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

/* === TYPOGRAPHY === */
h1, h2, h3 {
    font-family: var(--font-main);
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
}

p {
    font-size: clamp(1rem, 2vw, 1.125rem);
    color: var(--medium-grey);
}

/* === CONTAINER === */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--light-blue) 100%);
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 120"><path fill="%23ffffff" fill-opacity="0.05" d="M0,96L48,90.7C96,85,192,75,288,74.7C384,75,480,85,576,85.3C672,85,768,75,864,69.3C960,64,1056,64,1152,69.3C1248,75,1344,85,1392,90.7L1440,96L1440,0L1392,0C1344,0,1248,0,1152,0C1056,0,960,0,864,0C768,0,672,0,576,0C480,0,384,0,288,0C192,0,96,0,48,0L0,0Z"></path></svg>') repeat-x;
    animation: wave 20s linear infinite;
    opacity: 0.3;
}

@keyframes wave {
    0% { background-position: 0 0; }
    100% { background-position: 1200px 0; }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-image-container {
    margin: 0 auto var(--spacing-md);
    width: 200px;
    height: 200px;
    border-radius: var(--radius-full);
    overflow: hidden;
    border: 6px solid var(--white);
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s ease;
}

.hero-image-container:hover {
    transform: scale(1.05) rotate(2deg);
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-title {
    color: var(--white);
    font-family: var(--font-display);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.name-container {
    margin: var(--spacing-md) 0;
}

.name {
    color: var(--white);
    font-family: var(--font-display);
    font-size: clamp(2rem, 6vw, 4rem);
    font-weight: 900;
    font-style: italic;
    margin-bottom: var(--spacing-xs);
}

.bar-mitzvah {
    font-family: var(--font-main);
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 700;
    color: var(--primary-yellow);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.date-container {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.date {
    font-family: var(--font-main);
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 500;
    color: var(--white);
    margin-bottom: var(--spacing-xs);
}

.tagline {
    font-family: var(--font-main);
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--soft-yellow);
    font-weight: 400;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    cursor: pointer;
}

.scroll-indicator span {
    font-size: 2rem;
    color: var(--white);
    opacity: 0.7;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* ==========================================
   INFO SECTION
   ========================================== */
.info-section {
    padding: var(--spacing-xl) var(--spacing-md);
    background-color: var(--light-grey);
}

.info-section .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.info-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

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

.info-card .icon-image {
    width: 80px;
    height: auto;
    margin: 0 auto var(--spacing-sm);
    color: var(--dark-grey);
}

.info-card h3 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
}

.info-card p {
    color: var(--medium-grey);
    font-style: italic;
}

/* ==========================================
   SIGNUP SECTION
   ========================================== */
.signup-section {
    padding: var(--spacing-xl) var(--spacing-md);
    background: linear-gradient(135deg, var(--soft-yellow) 0%, var(--white) 100%);
    text-align: center;
}

.signup-section h2 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

.signup-subtitle {
    color: var(--medium-grey);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.email-form {
    max-width: 500px;
    margin: 0 auto;
}

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

.email-form input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1rem;
    font-family: var(--font-main);
    border: 2px solid var(--light-grey);
    border-radius: var(--radius-sm);
    transition: border-color 0.3s ease;
}

.email-form input:focus {
    outline: none;
    border-color: var(--primary-blue);
}

.submit-btn {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1.125rem;
    font-weight: 700;
    font-family: var(--font-main);
    color: var(--white);
    background: var(--primary-blue);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background 0.3s ease, transform 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.submit-btn:hover {
    background: var(--light-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.form-message {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-weight: 500;
    display: none;
}

.form-message.success {
    display: block;
    background: #D1FAE5;
    color: #065F46;
}

.form-message.error {
    display: block;
    background: #FEE2E2;
    color: #991B1B;
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
    padding: var(--spacing-lg) var(--spacing-md);
    background-color: var(--dark-grey);
    color: var(--white);
    text-align: center;
}

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

.footer-note {
    font-size: 0.875rem;
    opacity: 0.7;
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */
@media (max-width: 768px) {
    .hero {
        padding: var(--spacing-md) var(--spacing-sm);
    }
    
    .hero-image-container {
        width: 150px;
        height: 150px;
    }
    
    .date-container {
        padding: var(--spacing-sm);
    }
    
    .info-section .container {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 769px) {
    .hero-image-container {
        width: 250px;
        height: 250px;
    }
}