/* ========================================
   CSS Variables - Tetrad Color Palette
   Base: Tan/Beige from SBNDC Building
   ======================================== */
:root {
    /* Tetrad Color Palette */
    --color-primary: #D4C5B0;        /* Tan/Beige (from building) */
    --color-secondary: #B0D4C5;      /* Teal/Mint */
    --color-accent-1: #C5B0D4;       /* Lavender */
    --color-accent-2: #D4B0BF;       /* Dusty Rose */
    
    /* Shades and Tints */
    --color-primary-dark: #A89B87;
    --color-primary-light: #E8DFD3;
    --color-secondary-dark: #87A89B;
    --color-secondary-light: #D3E8DF;
    --color-accent-1-dark: #9B87A8;
    --color-accent-1-light: #DFD3E8;
    
    /* Neutrals */
    --color-white: #FFFFFF;
    --color-off-white: #F9F7F4;
    --color-light-gray: #E5E5E5;
    --color-gray: #888888;
    --color-dark-gray: #444444;
    --color-black: #1A1A1A;
    
    /* Semantic Colors */
    --color-background: var(--color-off-white);
    --color-text: var(--color-black);
    --color-text-light: var(--color-dark-gray);
    --color-border: var(--color-light-gray);
    
    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Merriweather', serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Layout */
    --container-max-width: 1400px;
    --header-height: 80px;
    
    /* Transitions */
    --transition-speed: 0.3s;
    --transition-ease: cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
}

/* ========================================
   Global Styles
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-background);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    transition: all var(--transition-speed) var(--transition-ease);
}

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

/* ========================================
   Header
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-speed) var(--transition-ease);
}

.header.scrolled {
    height: 70px;
    box-shadow: var(--shadow-md);
}

.header-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 var(--spacing-md);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    height: 100%;
}

.logo-image {
    height: 50px;
    width: auto;
    transition: transform var(--transition-speed) var(--transition-ease);
}

.logo-image:hover {
    transform: scale(1.05);
}

.header.scrolled .logo-image {
    height: 40px;
}

/* Navigation */
.nav-menu {
    display: flex;
    align-items: center;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-xs);
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--color-primary-dark);
    border-radius: 3px;
    transition: all var(--transition-speed) var(--transition-ease);
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text);
    position: relative;
    padding: var(--spacing-xs) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary-dark), var(--color-secondary-dark));
    transition: width var(--transition-speed) var(--transition-ease);
}

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

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: var(--header-height);
    background-color: var(--color-white);
}

/* Hero Background */
.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    background-color: var(--color-white);
}

.hero-background-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 1s var(--transition-ease);
    animation: heroZoom 20s infinite alternate;
}

.hero-background-image.active {
    opacity: 1;
}

@keyframes heroZoom {
    0% {
        transform: scale(1);
    }
    100% {
        transform: scale(1.05);
    }
}

/* Hero Overlay */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(60deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.9) 45%, rgba(255, 255, 255, 0) 60%, rgba(255, 255, 255, 0) 100%);
    z-index: 2;
    pointer-events: none;
}

/* Hero Container */
.hero-container {
    position: relative;
    max-width: var(--container-max-width);
    margin: 0 auto;
    width: 100%;
    padding: var(--spacing-lg) var(--spacing-md);
    z-index: 3;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

/* Hero Left Column */
.hero-left {
    animation: fadeInLeft 1s var(--transition-ease);
}

.hero-headline {
    display: flex;
    flex-direction: column;
    margin-bottom: var(--spacing-md);
}

.hero-headline-main {
    font-size: 4rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    color: var(--color-primary-dark);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.hero-headline-sub {
    font-size: 2.5rem;
    font-weight: 400;
    color: var(--color-secondary-dark);
    font-style: italic;
}

.hero-subhead {
    display: flex;
    flex-direction: column;
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.hero-subhead-emphasis {
    font-weight: 700;
    font-family: var(--font-heading);
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-xs);
}

.hero-subhead-text {
    color: var(--color-text-light);
}

/* Carousel Controls */
.hero-carousel-controls {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(212, 197, 176, 0.4);
    border: 2px solid var(--color-primary-dark);
    cursor: pointer;
    transition: all var(--transition-speed) var(--transition-ease);
}

.carousel-dot:hover {
    transform: scale(1.2);
}

.carousel-dot.active {
    background-color: var(--color-primary-dark);
    width: 40px;
    border-radius: 6px;
}

/* Hero Right Column */
.hero-right {
    position: relative;
    min-height: 400px;
    animation: fadeInRight 1s var(--transition-ease);
}

/* ========================================
   Floating Action Buttons
   ======================================== */
.floating-actions {
    position: fixed;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    z-index: 900;
}

.action-button {
    position: relative;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-secondary-dark);
    color: var(--color-white);
    border-radius: 50px;
    box-shadow: var(--shadow-lg);
    font-size: 1rem;
    font-weight: 600;
    transition: all var(--transition-speed) var(--transition-ease);
    position: relative;
}

.action-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3);
}

.action-btn i {
    font-size: 1.25rem;
}

.action-label {
    font-family: var(--font-heading);
    white-space: nowrap;
}

/* Notification Badge */
.notification-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    width: 22px;
    height: 22px;
    background-color: #E74C3C;
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    font-family: var(--font-heading);
    border: 2px solid var(--color-white);
}

/* Action Panels */
.action-panel {
    position: absolute;
    bottom: calc(100% + var(--spacing-sm));
    right: 0;
    background-color: var(--color-white);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-md);
    min-width: 320px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-speed) var(--transition-ease);
}

.action-button.active .action-panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.action-panel h3 {
    font-size: 1.25rem;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-sm);
}

.action-panel p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-sm);
}

/* Donation Amounts */
.donation-amounts {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.donation-amount {
    padding: var(--spacing-sm);
    background-color: var(--color-off-white);
    border: 2px solid var(--color-border);
    border-radius: 8px;
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--color-text);
    transition: all var(--transition-speed) var(--transition-ease);
}

.donation-amount:hover,
.donation-amount.selected {
    background-color: var(--color-primary-light);
    border-color: var(--color-primary-dark);
    color: var(--color-primary-dark);
}

/* Forms */
.waiting-form,
.chat-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.waiting-form input,
.chat-form input,
.chat-form textarea {
    padding: var(--spacing-sm);
    border: 2px solid var(--color-border);
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: border-color var(--transition-speed) var(--transition-ease);
}

.waiting-form input:focus,
.chat-form input:focus,
.chat-form textarea:focus {
    outline: none;
    border-color: var(--color-primary-dark);
}

/* Canned Responses */
.canned-responses {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.canned-response {
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-off-white);
    border: 2px solid var(--color-border);
    border-radius: 20px;
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    text-align: left;
    transition: all var(--transition-speed) var(--transition-ease);
}

.canned-response:hover,
.canned-response.selected {
    background-color: var(--color-secondary-light);
    border-color: var(--color-secondary-dark);
    color: var(--color-secondary-dark);
}

/* Primary Button */
.btn-primary {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-secondary-dark);
    color: var(--color-white);
    border-radius: 50px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    transition: all var(--transition-speed) var(--transition-ease);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ========================================
   Stats Section
   ======================================== */
.stats {
    position: relative;
    padding: var(--spacing-xl) var(--spacing-md);
    overflow: hidden;
    min-height: 500px;
    display: flex;
    align-items: center;
}

/* Stats Background */
.stats-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('images/img_sbndc_building_closeup.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1;
}

/* Stats Gradient Overlay */
.stats::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.85) 0%, rgba(135, 206, 235, 0.8) 100%);
    z-index: 2;
    pointer-events: none;
}

/* Stats Container */
.stats-container {
    position: relative;
    max-width: var(--container-max-width);
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    z-index: 3;
}

/* Individual Stat Item */
.stat-item {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    animation: fadeInUp 0.8s var(--transition-ease) both;
}

.stat-item:nth-child(1) {
    animation-delay: 0.1s;
}

.stat-item:nth-child(2) {
    animation-delay: 0.2s;
}

.stat-item:nth-child(3) {
    animation-delay: 0.3s;
}

/* Stat Icon */
.stat-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid rgba(255, 255, 255, 0.3);
    transition: all var(--transition-speed) var(--transition-ease);
}

.stat-icon i {
    font-size: 2rem;
    color: var(--color-white);
}

.stat-item:hover .stat-icon {
    transform: scale(1.1);
    background-color: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Stat Number */
.stat-number {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 800;
    color: var(--color-white);
    line-height: 1;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
}

/* Stat Description */
.stat-description {
    font-family: var(--font-body);
    font-size: 1.125rem;
    line-height: 1.6;
    color: var(--color-white);
    max-width: 300px;
}

.stat-description strong {
    font-weight: 700;
}

/* Stat CTA Button */
.stat-cta {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 50px;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all var(--transition-speed) var(--transition-ease);
}

.stat-cta:hover {
    background-color: var(--color-white);
    color: var(--color-primary-dark);
    border-color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.dark-gray {
    color: var(--color-dark-gray);
}

.vision {
    position: relative;
    padding: var(--spacing-xl) var(--spacing-md);
    overflow: hidden;
    min-height: 400px;
    display: flex;
    align-items: center;
}

/* Vision Parallax Background */
.vision-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('images/bg_south_berkeley_map.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    z-index: -1;
    transform: translateZ(0);
    will-change: transform;
}

/* Vision White Overlay */
.vision::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.8);
    z-index: 1;
    pointer-events: none;
}

/* Vision Container */
.vision-container {
    position: relative;
    max-width: var(--container-max-width);
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    z-index: 2;
}

/* Vision Left Column */
.vision-left {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    justify-content: flex-end;
    text-align: right;
    gap: var(--spacing-md);
}

.vision-logo {
    width: 80px;
    height: auto;
    flex-shrink: 0;
    opacity: 0;
    transform: translateX(30px);
    animation: fadeInRight 0.8s var(--transition-ease) 0.4s forwards;
}

.vision-logo img {
    width: 100%;
    height: auto;
    filter: drop-shadow(2px 2px 4px rgba(0, 0, 0, 0.1));
}

.vision-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    line-height: 1.1;
    opacity: 0;
    transform: translateX(30px);
    animation: fadeInRight 0.8s var(--transition-ease) 0.2s forwards;
}

/* Vision Right Column */
.vision-right {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    gap: var(--spacing-md);
}

.vision-quote {
    font-family: var(--font-body);
    font-size: 1.75rem;
    font-style: italic;
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-text);
    margin: 0;
    opacity: 0;
    transform: translateX(-30px);
    animation: fadeInLeft 0.8s var(--transition-ease) 0.4s forwards;
}

.vision-cta {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-secondary-dark);
    color: var(--color-white);
    border-radius: 50px;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all var(--transition-speed) var(--transition-ease);
    opacity: 0;
    transform: translateX(-30px);
    animation: fadeInLeft 0.8s var(--transition-ease) 0.6s forwards;
}

.vision-cta:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ========================================
   History Section
   ======================================== */
.history {
    padding: var(--spacing-xl) var(--spacing-md);
    background-color: var(--color-off-white);
}

.history-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

/* History Row (2-Column Layout) */
.history-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    transition: all 0.8s var(--transition-ease);
}

/* Reverse layout for alternating rows */
.history-row.reverse {
    direction: rtl;
}

.history-row.reverse > * {
    direction: ltr;
}

/* History Content (5 Element Layout) */
.history-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    opacity: 0;
    transform: translateX(-100px);
    transition: all 0.8s var(--transition-ease);
}

.history-row.visible .history-content {
    opacity: 1;
    transform: translateX(0);
}

/* Reverse animation for reversed rows */
.history-row.reverse .history-content {
    transform: translateX(100px);
}

.history-row.reverse.visible .history-content {
    transform: translateX(0);
}

/* 1. Category Pill Button */
.category-pill {
    display: inline-block;
    align-self: flex-start;
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--color-secondary-light);
    color: var(--color-secondary-dark);
    border-radius: 50px;
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* 2. Image (Desktop - separate column) */
.history-image {
    width: 100%;
    height: auto;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transform: translateX(100px);
    transition: all 0.8s var(--transition-ease);
}

.history-row.visible .history-image {
    opacity: 1;
    transform: translateX(0);
}

/* Reverse animation for reversed rows */
.history-row.reverse .history-image {
    transform: translateX(-100px);
}

.history-row.reverse.visible .history-image {
    transform: translateX(0);
}

.history-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    transition: transform var(--transition-speed) var(--transition-ease);
}

.history-row:hover .history-image img {
    transform: scale(1.05);
}

/* Mobile image (hidden on desktop) */
.history-image-mobile {
    display: none;
}

/* 3. Header (All Caps Montserrat) */
.history-header {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary-dark);
    line-height: 1.2;
}

/* 4. Body Copy (Merriweather Serif) */
.history-copy {
    font-family: var(--font-body);
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-text-light);
}

.history-copy p {
    margin-bottom: var(--spacing-sm);
}

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

.history-copy strong {
    font-weight: 700;
    color: var(--color-text);
}

/* 5. CTA Button */
.history-cta {
    display: inline-block;
    align-self: flex-start;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-secondary-dark);
    color: var(--color-white);
    border-radius: 50px;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all var(--transition-speed) var(--transition-ease);
}

.history-cta:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Mobile: Reset transforms to avoid conflicts */
@media (max-width: 1024px) {
    .history-content,
    .history-image {
        opacity: 1;
        transform: translateX(0) !important;
        transition: none;
    }
    
    .history-row.visible .history-content,
    .history-row.visible .history-image {
        opacity: 1;
        transform: translateX(0) !important;
    }
}

/* ========================================
   Section Title (Shared)
   ======================================== */
.section-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary-dark);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

/* ========================================
   Services Section
   ======================================== */
.services {
    position: relative;
    padding: var(--spacing-xl) var(--spacing-md);
    overflow: hidden;
}

/* Services Parallax Background (same as Vision) */
.services::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('images/bg_south_berkeley_map.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    z-index: -1;
    transform: translateZ(0);
    will-change: transform;
}

/* Services White Overlay */
.services::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.8);
    z-index: 0;
    pointer-events: none;
}

.services-container {
    position: relative;
    max-width: var(--container-max-width);
    margin: 0 auto;
    z-index: 1;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

/* Service Card (5 Element Layout) */
.service-card {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    background-color: var(--color-off-white);
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-speed) var(--transition-ease);
}

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

.service-image {
    width: 100%;
    height: 250px;
    border-radius: 8px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-speed) var(--transition-ease);
}

.service-card:hover .service-image img {
    transform: scale(1.1);
}

.service-header {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary-dark);
    line-height: 1.2;
}

.service-copy {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text-light);
    flex-grow: 1;
}

.service-copy p {
    margin-bottom: var(--spacing-sm);
}

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

.service-copy em {
    font-style: italic;
    color: var(--color-text);
}

.service-copy .coming-soon {
    color: var(--color-accent-1-dark);
}

.service-cta {
    display: inline-block;
    align-self: flex-start;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-secondary-dark);
    color: var(--color-white);
    border-radius: 50px;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all var(--transition-speed) var(--transition-ease);
}

.service-cta:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ========================================
   Amenities Carousel Section
   ======================================== */
.amenities {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-secondary-light));
    overflow: hidden;
}

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

.carousel-container {
    margin-top: var(--spacing-lg);
    position: relative;
    overflow: hidden;
    padding: var(--spacing-md) 0;
}

.carousel-track {
    display: flex;
    gap: var(--spacing-md);
    animation: infiniteScroll 60s linear infinite;
    will-change: transform;
}

.carousel-track:hover {
    animation-play-state: paused;
}

/* Carousel Item (5 Element Layout) */
.carousel-item {
    min-width: 400px;
    max-width: 400px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-speed) var(--transition-ease);
}

.carousel-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.carousel-image {
    width: 100%;
    height: 250px;
    border-radius: 8px;
    overflow: hidden;
}

.carousel-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-speed) var(--transition-ease);
}

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

.carousel-header {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary-dark);
    line-height: 1.2;
}

.carousel-copy {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text-light);
    flex-grow: 1;
}

.carousel-copy p {
    margin-bottom: var(--spacing-sm);
}

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

.carousel-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    align-self: flex-start;
    color: var(--color-secondary-dark);
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 4px;
    transition: all var(--transition-speed) var(--transition-ease);
}

.carousel-link:hover {
    color: var(--color-primary-dark);
    gap: var(--spacing-sm);
}

.carousel-link i {
    font-size: 0.875rem;
    transition: transform var(--transition-speed) var(--transition-ease);
}

.carousel-link:hover i {
    transform: translateX(3px);
}

/* Infinite Scroll Animation */
@keyframes infiniteScroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(-400px * 5 - var(--spacing-md) * 5));
    }
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background-color: var(--color-black);
    color: var(--color-white);
    padding: var(--spacing-xl) var(--spacing-md) var(--spacing-md);
}

.footer-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.footer-columns {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

/* Organization Info (Half Width) */
.footer-org {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s var(--transition-ease) 0.1s forwards;
}

.footer-org-inner {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-md);
    align-items: start;
}

.footer-logo {
    width: 80px;
}

.footer-logo img {
    width: 100%;
    height: auto;
    filter: brightness(0) invert(1);
}

.footer-info h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.footer-info address {
    font-style: normal;
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.footer-info p {
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--color-light-gray);
    margin-bottom: var(--spacing-xs);
}

.nonprofit-status {
    font-weight: 600;
    color: var(--color-secondary-light) !important;
}

.ein {
    font-size: 0.875rem !important;
    color: var(--color-gray) !important;
}

/* Footer Columns */
.footer-column {
    opacity: 0;
    transform: translateY(30px);
}

.footer-column:nth-child(2) {
    animation: fadeInUp 0.8s var(--transition-ease) 0.2s forwards;
}

.footer-column:nth-child(3) {
    animation: fadeInUp 0.8s var(--transition-ease) 0.3s forwards;
}

.footer-column h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
    color: var(--color-secondary-light);
}

/* Social Links */
.social-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.social-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-white);
    font-family: var(--font-heading);
    font-size: 0.95rem;
    transition: all var(--transition-speed) var(--transition-ease);
}

.social-link:hover {
    color: var(--color-secondary-light);
    transform: translateX(5px);
}

.social-link i {
    font-size: 1.5rem;
    width: 30px;
}

/* Footer Links */
.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--color-light-gray);
    transition: all var(--transition-speed) var(--transition-ease);
}

.footer-links a:hover {
    color: var(--color-secondary-light);
    padding-left: 5px;
}

/* Designer Credit */
.footer-credit {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-dark-gray);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s var(--transition-ease) 0.4s forwards;
}

.footer-credit p {
    font-family: var(--font-body);
    font-size: 0.875rem;
    color: var(--color-gray);
}

.footer-credit strong {
    color: var(--color-white);
    font-weight: 700;
}

.footer-credit a {
    color: var(--color-secondary-light);
    transition: color var(--transition-speed) var(--transition-ease);
}

.footer-credit a:hover {
    color: var(--color-primary-light);
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .hero-headline-main {
        font-size: 3rem;
    }
    
    .hero-headline-sub {
        font-size: 2rem;
    }
    
    .stats-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .vision-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .vision-left {
        flex-direction: column;
        align-items: center;
        justify-content: center;
        text-align: center;
    }
    
    .vision-logo {
        order: -1;
        width: 100px;
    }
    
    .vision-right {
        align-items: center;
        text-align: center;
    }
    
    .vision-quote {
        border-left: none;
        border-top: 4px solid var(--color-secondary-dark);
        padding-left: 0;
        padding-top: var(--spacing-md);
    }
    
    .history-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .history-row.reverse {
        direction: ltr;
    }
    
    .history-image {
        display: none;
    }
    
    .history-image-mobile {
        display: block;
        width: 100%;
        border-radius: 12px;
        box-shadow: var(--shadow-md);
    }
    
    .history-header {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .carousel-item {
        min-width: 350px;
        max-width: 350px;
    }
    
    .footer-columns {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .footer-org-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-logo {
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-list {
        position: absolute;
        top: var(--header-height);
        right: 0;
        background-color: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transform: translateX(100%);
        transition: transform var(--transition-speed) var(--transition-ease);
    }
    
    .nav-menu.active .nav-list {
        transform: translateX(0);
    }
    
    /* Change hero gradient to vertical with white at bottom */
    .hero::before {
        background: linear-gradient(to bottom, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0) 40%, rgba(255, 255, 255, 0.9) 70%, rgba(255, 255, 255, 0.9) 100%);
    }

    .hero-left {
        background-color: rgba(255, 255, 255, 0.7);
        padding: 20px;
    }
    
    .hero-headline-main {
        font-size: 2.5rem;
    }
    
    .hero-headline-sub {
        font-size: 1.5rem;
    }
    
    .hero-subhead {
        font-size: 1rem;
    }
    
    .floating-actions {
        bottom: var(--spacing-sm);
        right: var(--spacing-sm);
    }
    
    .action-panel {
        min-width: 280px;
    }
    
    .stat-number {
        font-size: 3rem;
    }
    
    .vision-title {
        font-size: 2rem;
    }
    
    .vision-quote {
        font-size: 1.5rem;
    }
    
    .history-copy {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {

    .hero-headline-main {
        font-size: 2rem;
    }
    
    .hero-headline-sub {
        font-size: 1.25rem;
    }
    
    .action-btn .action-label {
        display: none;
    }
    
    .action-btn {
        width: 56px;
        height: 56px;
        justify-content: center;
        padding: 0;
    }
    
    .action-panel {
        right: 0;
        min-width: calc(100vw - var(--spacing-md) * 2);
    }
    
    .vision-title {
        font-size: 1.75rem;
    }
    
    .vision-quote {
        font-size: 1.25rem;
    }
    
    .vision-logo {
        width: 80px;
    }
    
    .history-header {
        font-size: 1.75rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .carousel-item {
        min-width: 300px;
        max-width: 300px;
    }
    
    .footer-info h3 {
        font-size: 1rem;
    }
    
    .social-links {
        align-items: center;
    }
    
    .footer-links {
        align-items: center;
    }
}