/* 
   Strong Pl. Block Party 2026 - Styling
   Theme: Simplified Black, White, & Blue
*/

/* --- Design Tokens & Variables --- */
:root {
    --bg-main: #ffffff;
    --bg-surface: #f8f9fa;
    --bg-surface-elevated: #ffffff;
    --bg-glass: rgba(255, 255, 255, 0.85);
    --border-glass: rgba(0, 0, 0, 0.08);
    
    --primary: #0052cc; /* Royal Blue */
    --primary-hover: #0043a4;
    --primary-glow: rgba(0, 82, 204, 0.15);
    
    --accent: #0084ff; /* Electric Blue */
    --accent-hover: #006ed6;
    
    --venmo-blue: #008CFF;
    --venmo-glow: rgba(0, 140, 255, 0.2);
    
    --text-primary: #12161a; /* Pitch Black */
    --text-secondary: #4a545e; /* Dark Slate Gray */
    --text-muted: #828c96; /* Cool Gray */
    
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Outfit', sans-serif;
    
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-body);
}

body {
    overflow-x: hidden;
    line-height: 1.6;
}

/* --- Typography --- */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

/* --- Layout Utility Classes --- */
.section {
    padding: 100px 24px;
    position: relative;
}

.section-container {
    max-width: 1100px;
    margin: 0 auto;
    width: 100%;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 2px;
}

.section-title.centered {
    display: block;
    text-align: center;
    margin-bottom: 1.5rem;
}

.section-title.centered::after {
    left: 50%;
    transform: translateX(-50%);
}

.section-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto 3rem auto;
}

.section-subtitle.centered {
    text-align: center;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-icon {
    margin-right: 10px;
    font-size: 1.1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    box-shadow: 0 4px 15px var(--primary-glow);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--primary-glow);
    background: linear-gradient(135deg, var(--primary-hover), var(--primary));
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid rgba(0, 0, 0, 0.15);
}

.btn-secondary:hover {
    background: rgba(0, 0, 0, 0.03);
    border-color: rgba(0, 0, 0, 0.3);
    transform: translateY(-2px);
}

.btn-glow:hover {
    animation: pulseGlow 1.5s infinite alternate;
}

@keyframes pulseGlow {
    0% {
        box-shadow: 0 8px 25px var(--primary-glow);
    }
    100% {
        box-shadow: 0 8px 35px rgba(0, 82, 204, 0.4);
    }
}

/* --- Sticky Header Navigation --- */
#main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-glass);
    transition: all var(--transition-normal);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.street-accent {
    background: linear-gradient(90deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    transition: color var(--transition-fast);
    position: relative;
    padding: 6px 0;
}

.nav-link:hover {
    color: var(--text-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: width var(--transition-fast);
}

.nav-link.active {
    color: var(--text-primary);
}

.nav-link.active::after {
    width: 100%;
}

.donate-nav-btn {
    border: 2px solid var(--primary);
    padding: 8px 20px;
    border-radius: 30px;
    color: var(--primary);
    font-weight: 700;
}

.donate-nav-btn:hover {
    background: var(--primary);
    color: #fff !important;
}

.donate-nav-btn::after {
    display: none;
}

.mobile-nav-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* --- Mobile Nav Overlay --- */
.mobile-overlay {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background-color: #ffffff;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: right var(--transition-normal);
}

.mobile-overlay.open {
    right: 0;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.mobile-nav-link {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.mobile-nav-link:hover {
    color: var(--text-primary);
}

.mobile-donate-btn {
    border: 2px solid var(--primary);
    padding: 12px 40px;
    border-radius: 40px;
    color: var(--primary);
}

.mobile-donate-btn:hover {
    background-color: var(--primary);
    color: #fff;
}

/* --- Hero Section --- */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: 100px;
}

.hero-background-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 80% 20%, rgba(0, 82, 204, 0.05) 0%, transparent 60%),
        radial-gradient(circle at 20% 80%, rgba(0, 132, 255, 0.04) 0%, transparent 60%),
        linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
    z-index: 1;
}

.hero-container {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    padding: 40px 24px;
    position: relative;
    z-index: 2;
}

.hero-tagline {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: var(--primary);
    display: block;
    margin-bottom: 20px;
    font-weight: 700;
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    margin-bottom: 24px;
    line-height: 1.1;
    color: var(--text-primary);
    animation: fadeInUp 1s ease-out;
}

.year-gradient {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-details {
    font-size: 1.25rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 45px;
    animation: fadeInUp 1.2s ease-out;
}

.hero-details i {
    color: var(--primary);
}

.detail-separator {
    color: var(--text-muted);
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
    animation: fadeInUp 1.4s ease-out;
}

/* --- Countdown Timer --- */
.countdown-wrapper {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(0, 82, 204, 0.08);
    border-radius: 20px;
    padding: 30px;
    margin-bottom: 50px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: 0 10px 30px rgba(0, 82, 204, 0.04);
    animation: fadeInUp 1.3s ease-out;
}

.countdown-heading {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-weight: 600;
}

.countdown-timer {
    display: flex;
    justify-content: center;
    gap: 24px;
}

.timer-segment {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 80px;
}

.timer-value {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.timer-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    margin-top: 8px;
    font-weight: 700;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-secondary);
    font-size: 1.5rem;
    z-index: 2;
    animation: bounce 2s infinite;
    text-decoration: none;
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- About Section --- */
.about-section {
    background-color: var(--bg-surface);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.event-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    margin-top: 40px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
}

.highlight-icon-box {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(0, 82, 204, 0.06);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.about-image-card {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Stylized Decorative Elements */
.visual-circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    z-index: 1;
}

.circle-one {
    top: 10%;
    left: 10%;
    width: 250px;
    height: 250px;
    background: rgba(0, 82, 204, 0.06);
}

.circle-two {
    bottom: 10%;
    right: 10%;
    width: 200px;
    height: 200px;
    background: rgba(0, 132, 255, 0.05);
}

.glass-visual-card {
    position: relative;
    z-index: 2;
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid var(--border-glass);
    border-radius: 24px;
    padding: 48px;
    width: 100%;
    max-width: 380px;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 20px 50px rgba(0, 82, 204, 0.04);
}

.glass-overlay-content {
    text-align: center;
}

.glass-badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 20px;
    background: rgba(0, 82, 204, 0.05);
    border: 1px solid rgba(0, 82, 204, 0.1);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.glass-visual-card h3 {
    font-size: 2.25rem;
    margin-bottom: 8px;
}

.glass-visual-card p {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.glass-divider {
    border: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-glass), transparent);
    margin: 24px 0;
}

.glass-subtext {
    font-size: 0.95rem !important;
    color: var(--text-muted) !important;
    font-weight: 600;
}

/* --- TBA Schedule Section --- */
.schedule-section {
    background-color: var(--bg-main);
}

.tba-container {
    display: flex;
    justify-content: center;
    margin-top: 20px;
}

.tba-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-glass);
    border-radius: 24px;
    padding: 50px 40px;
    text-align: center;
    width: 100%;
    max-width: 600px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
    transition: transform var(--transition-normal);
}

.tba-card:hover {
    transform: translateY(-5px);
}

.tba-icon {
    font-size: 3.5rem;
    color: var(--primary);
    margin-bottom: 24px;
    animation: float 4s ease-in-out infinite;
}

.tba-card h3 {
    font-size: 1.75rem;
    margin-bottom: 12px;
}

.tba-card p {
    color: var(--text-secondary);
    font-size: 1rem;
    max-width: 480px;
    margin: 0 auto;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* --- Sign Up Section --- */
.signup-section {
    background-color: var(--bg-surface);
}

.signup-card {
    background: linear-gradient(135deg, #ffffff, var(--bg-surface));
    border: 1px solid var(--border-glass);
    border-radius: 30px;
    padding: 60px;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 40px;
    align-items: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 82, 204, 0.03);
}

.signup-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 350px;
    height: 350px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 82, 204, 0.03) 0%, transparent 70%);
    z-index: 1;
}

.signup-content {
    position: relative;
    z-index: 2;
}

.signup-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.signup-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 35px;
    max-width: 550px;
}

.btn-large {
    padding: 16px 36px;
    font-size: 1.1rem;
}

.signup-graphic {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 2;
}

.clipboard-bg-icon {
    font-size: 12rem;
    background: linear-gradient(135deg, rgba(0, 82, 204, 0.08), rgba(0, 132, 255, 0.02));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: float 4s ease-in-out infinite;
}

/* --- Donate Section --- */
.donate-section {
    background-color: var(--bg-main);
}

.donate-card-wrapper {
    display: flex;
    justify-content: center;
    margin-top: 40px;
}

.donate-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-glass);
    border-radius: 24px;
    width: 100%;
    max-width: 480px;
    overflow: hidden;
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.03);
    transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.donate-card:hover {
    transform: translateY(-5px);
}

.venmo-header {
    background-color: #e6f0fa;
    padding: 24px;
    text-align: center;
    border-bottom: 1px solid var(--border-glass);
}

.venmo-brand {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--venmo-blue);
    letter-spacing: -0.05em;
}

.donate-card-body {
    padding: 40px 30px;
    text-align: center;
}

.donate-icon-container {
    width: 70px;
    height: 70px;
    background: rgba(0, 132, 255, 0.06);
    color: var(--venmo-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px auto;
}

.clock-icon {
    font-size: 2rem;
    animation: spinSlow 8s linear infinite;
}

@keyframes spinSlow {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.donate-card-body h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.donate-instructions {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 30px;
    line-height: 1.6;
}

.btn-venmo {
    background-color: var(--venmo-blue);
    color: #ffffff;
    width: 100%;
    border: none;
    box-shadow: 0 4px 15px var(--venmo-glow);
}

.btn-venmo:hover {
    background-color: #1e99ff;
    box-shadow: 0 8px 25px var(--venmo-glow);
    transform: translateY(-2px);
}

.btn-venmo.btn-disabled {
    background-color: #e9ecef;
    color: var(--text-muted);
    border: 1px solid var(--border-glass);
    box-shadow: none;
    cursor: not-allowed;
}

.btn-venmo.btn-disabled:hover {
    transform: none;
    background-color: #e9ecef;
    box-shadow: none;
}

/* --- Footer --- */
footer {
    background-color: var(--bg-surface);
    border-top: 1px solid var(--border-glass);
    padding: 40px 24px;
    text-align: center;
}

.footer-container {
    max-width: 1100px;
    margin: 0 auto;
}

.footer-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.footer-subtext {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.heart-accent {
    color: var(--primary);
}

/* --- Responsive Adjustments --- */

@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .about-image-card {
        height: auto;
    }
    
    .glass-visual-card {
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    /* Navbar Hamburger */
    .nav-links {
        display: none;
    }
    
    .mobile-nav-toggle {
        display: block;
    }
    
    /* Hero scaling */
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-details {
        flex-direction: column;
        gap: 8px;
    }
    
    .detail-separator {
        display: none;
    }
    
    .countdown-timer {
        gap: 12px;
    }
    
    .timer-segment {
        min-width: 65px;
    }
    
    .timer-value {
        font-size: 2.5rem;
    }
    
    /* Signup Card scaling */
    .signup-card {
        grid-template-columns: 1fr;
        padding: 40px 30px;
        text-align: center;
    }
    
    .signup-text {
        margin-left: auto;
        margin-right: auto;
    }
    
    .clipboard-bg-icon {
        font-size: 8rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        flex-direction: column;
        gap: 12px;
    }
    
    .btn {
        width: 100%;
    }
    
    .timer-segment {
        min-width: 55px;
    }
    
    .timer-value {
        font-size: 2rem;
    }
    
    .section {
        padding: 60px 16px;
    }
    
    .section-title {
        font-size: 2rem;
    }
}