/* ===================================
   Summit for Lupus - Apple-Inspired Design
   Minimalist, Clean, High-Impact
   =================================== */

/* ===================================
   CSS Variables & Reset
   =================================== */
:root {
    --lupus-purple: #4B0082;
    --lupus-purple-light: #6A0DAD;
    --lupus-purple-dark: #3A0066;
    --white: #FFFFFF;
    --light-grey: #F5F5F7;
    --medium-grey: #E5E5E7;
    --dark-grey: #1A1A1A;
    --text-grey: #333333;
    --border-grey: #D2D2D7;
    
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s ease;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
}

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

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

body {
    font-family: var(--font-primary);
    color: var(--dark-grey);
    background-color: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

/* ===================================
   Typography
   =================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--dark-grey);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 600;
}

h4 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    font-weight: 600;
}

p {
    font-size: clamp(1rem, 2vw, 1.125rem);
    line-height: 1.7;
    color: var(--text-grey);
}

/* ===================================
   Container & Layout
   =================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 clamp(1.5rem, 5vw, 3rem);
}

.section-padding {
    padding: clamp(4rem, 10vw, 8rem) 0;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.section-title {
    margin-bottom: 1.5rem;
    color: var(--dark-grey);
}

.section-intro {
    font-size: clamp(1.125rem, 2.5vw, 1.25rem);
    color: var(--text-grey);
    line-height: 1.8;
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    z-index: 1000;
    transition: var(--transition-smooth);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-grey);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem clamp(1.5rem, 5vw, 3rem);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo .logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--lupus-purple);
}

.nav-logo a {
    display: flex;
    align-items: center;
}

.nav-logo .logo-image {
    height: 45px;
    width: auto;
    transition: var(--transition-fast);
    mix-blend-mode: multiply;
    filter: brightness(1.2) drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.nav-logo .logo-image:hover {
    transform: scale(1.02);
    filter: brightness(1.3) drop-shadow(0 2px 6px rgba(0, 0, 0, 0.4));
}

.navbar.scrolled .nav-logo .logo-image {
    mix-blend-mode: normal;
    filter: brightness(1.0) contrast(1.0);
}

.navbar.scrolled .nav-logo .logo-image:hover {
    filter: brightness(1.05) contrast(1.05);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--white);
    position: relative;
    padding: 0.5rem 0;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
    transition: var(--transition-fast);
}

.nav-link:hover {
    color: var(--lupus-purple-light);
}

.navbar.scrolled .nav-link {
    color: var(--dark-grey);
    text-shadow: none;
}

.navbar.scrolled .nav-link:hover {
    color: var(--lupus-purple);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--lupus-purple);
    transition: width 0.3s ease;
}

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

.nav-donate-btn {
    background-color: var(--lupus-purple);
    color: var(--white);
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
}

.nav-donate-btn:hover {
    background-color: var(--lupus-purple-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
}

.hamburger span {
    width: 28px;
    height: 3px;
    background-color: var(--white);
    border-radius: 3px;
    transition: var(--transition-smooth);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.navbar.scrolled .hamburger span {
    background-color: var(--dark-grey);
    box-shadow: none;
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: 2px solid transparent;
    text-align: center;
}

.btn-primary {
    background-color: var(--lupus-purple);
    color: var(--white);
    box-shadow: var(--shadow-sm);
}

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

.btn-secondary {
    background-color: var(--white);
    color: var(--lupus-purple);
    border: 2px solid var(--lupus-purple);
}

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

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

.btn-extra-large {
    padding: 1.25rem 3rem;
    font-size: 1.25rem;
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 6rem 2rem 4rem;
    margin-top: 0;
    background: linear-gradient(135deg, var(--lupus-purple-dark) 0%, var(--lupus-purple) 100%);
    overflow: hidden;
}

.hero-banner {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-banner::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 200px;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.3) 0%, transparent 100%);
    z-index: 2;
}

.hero-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.9;
}

.hero-content {
    max-width: 900px;
    text-align: center;
    z-index: 2;
    position: relative;
}

.hero-title {
    color: var(--white);
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 600;
    color: var(--white);
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-description {
    font-size: clamp(1.125rem, 2.5vw, 1.375rem);
    color: var(--white);
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.5rem;
    color: var(--white);
    animation: bounce 2s infinite;
    cursor: pointer;
    z-index: 2;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

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

/* ===================================
   About Section
   =================================== */
.about {
    background-color: var(--white);
}

.campaign-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.showcase-image {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
}

.showcase-image:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.showcase-image img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    display: block;
}

.about-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.about-card {
    background-color: var(--light-grey);
    padding: 3rem 2rem;
    border-radius: var(--border-radius-lg);
    text-align: center;
    transition: var(--transition-smooth);
}

.about-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.icon-wrapper {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background-color: var(--lupus-purple);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.about-card h3 {
    color: var(--lupus-purple);
    margin-bottom: 1rem;
}

.campaign-dates {
    text-align: center;
    margin-top: 3rem;
    padding: 1.5rem;
    background-color: var(--light-grey);
    border-radius: var(--border-radius-md);
    font-size: 1.125rem;
}

.campaign-dates strong {
    color: var(--lupus-purple);
}

.three-pillars {
    margin: 4rem 0 3rem;
    text-align: center;
}

.three-pillars img {
    max-width: 900px;
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

/* ===================================
   Cause Section
   =================================== */
.cause {
    background-color: var(--light-grey);
}

.cause-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.cause-item {
    background-color: var(--white);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius-lg);
    transition: var(--transition-smooth);
    border: 1px solid var(--border-grey);
}

.cause-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--lupus-purple);
}

.cause-icon {
    width: 70px;
    height: 70px;
    background-color: var(--light-grey);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.cause-icon i {
    font-size: 1.75rem;
    color: var(--lupus-purple);
}

.cause-item h3 {
    color: var(--lupus-purple);
    margin-bottom: 1rem;
}

/* ===================================
   Beneficiary Section
   =================================== */
.beneficiary {
    background-color: var(--white);
}

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

.beneficiary-info {
    background-color: var(--light-grey);
    padding: 3rem;
    border-radius: var(--border-radius-lg);
}

.beneficiary-info h3 {
    color: var(--lupus-purple);
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.beneficiary-logo {
    text-align: center;
    margin-bottom: 1.5rem;
}

.beneficiary-logo img {
    max-width: 180px;
    height: auto;
    margin: 0 auto;
}

.beneficiary-links {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.foundation-link {
    width: 45px;
    height: 45px;
    background-color: var(--lupus-purple);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.25rem;
    transition: var(--transition-smooth);
}

.foundation-link:hover {
    background-color: var(--lupus-purple-dark);
    transform: translateY(-3px) scale(1.1);
    box-shadow: var(--shadow-md);
}

.beneficiary-description {
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.fund-allocation {
    margin-top: 2rem;
}

.fund-allocation h4 {
    color: var(--lupus-purple);
    margin-bottom: 1.5rem;
}

.allocation-bars {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.allocation-item {
    width: 100%;
}

.allocation-label {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dark-grey);
}

.allocation-percent {
    color: var(--lupus-purple);
}

.allocation-bar {
    width: 100%;
    height: 12px;
    background-color: var(--medium-grey);
    border-radius: 50px;
    overflow: hidden;
}

.allocation-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--lupus-purple) 0%, var(--lupus-purple-light) 100%);
    border-radius: 50px;
    transition: width 1s ease;
}

/* ===================================
   Promoter Section
   =================================== */
.promoter {
    background-color: var(--light-grey);
}

.promoter-card {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    background-color: var(--white);
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
}

.promoter-image {
    display: flex;
    justify-content: center;
}

.promoter-photo {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center 20%;
    box-shadow: var(--shadow-lg);
    border: 4px solid var(--lupus-purple);
}

.promoter-placeholder {
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, var(--lupus-purple) 0%, var(--lupus-purple-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}

.promoter-placeholder i {
    font-size: 6rem;
    color: var(--white);
}

.promoter-info h3 {
    color: var(--lupus-purple);
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.promoter-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-grey);
    margin-bottom: 1.5rem;
}

.promoter-bio {
    line-height: 1.8;
}

/* ===================================
   Partners Section
   =================================== */
.partners {
    background-color: var(--white);
}

.partners-marquee-container {
    width: 100%;
    overflow: hidden;
    padding: 2rem 0;
    background-color: var(--light-grey);
    border-radius: var(--border-radius-lg);
}

.partners-marquee {
    display: flex;
    gap: 3rem;
    animation: marquee 30s linear infinite;
    width: fit-content;
}

.partners-marquee:hover {
    animation-play-state: paused;
}

.partner-logo-item {
    background-color: var(--white);
    padding: 0.5rem;
    border-radius: var(--border-radius-md);
    min-width: 260px;
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    border: 2px solid var(--border-grey);
}

.partner-logo-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--lupus-purple);
}

.partner-logo-item img {
    max-width: 100%;
    max-height: 100%;
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
}

.partner-logo-item p {
    font-weight: 600;
    color: var(--lupus-purple);
    font-size: 1.125rem;
    text-align: center;
    white-space: nowrap;
}

/* Responsive logo sizing - bigger on larger screens */
@media (min-width: 1200px) {
    .partner-logo-item {
        min-width: 300px;
        height: 160px;
        padding: 0.75rem;
    }
}

@media (min-width: 1600px) {
    .partner-logo-item {
        min-width: 340px;
        height: 180px;
        padding: 1rem;
    }
}

@keyframes marquee {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* ===================================
   Transparency Section
   =================================== */
.transparency {
    background-color: var(--light-grey);
}

.transparency-content {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.progress-card {
    background-color: var(--white);
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.progress-card h3 {
    color: var(--lupus-purple);
    text-align: center;
    margin-bottom: 2rem;
}

.fundraising-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.stat-item {
    text-align: center;
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-grey);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.stat-value {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--lupus-purple);
}

.progress-bar-container {
    width: 100%;
    height: 40px;
    background-color: var(--light-grey);
    border-radius: 50px;
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--lupus-purple) 0%, var(--lupus-purple-light) 100%);
    border-radius: 50px;
    transition: width 1.5s ease;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 1rem;
}

.progress-percentage {
    color: var(--white);
    font-weight: 700;
    font-size: 1rem;
}

.trust-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.trust-item {
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius-md);
    text-align: center;
    border: 1px solid var(--border-grey);
    transition: var(--transition-smooth);
}

.trust-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--lupus-purple);
}

.trust-item i {
    font-size: 2.5rem;
    color: var(--lupus-purple);
    margin-bottom: 1rem;
}

.trust-item h4 {
    color: var(--lupus-purple);
    margin-bottom: 0.75rem;
}

/* ===================================
   Donate Section
   =================================== */
.donate {
    background: linear-gradient(135deg, var(--lupus-purple) 0%, var(--lupus-purple-dark) 100%);
    color: var(--white);
}

.donate-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.donate-title {
    color: var(--white);
    margin-bottom: 1.5rem;
}

.donate-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 3rem;
    line-height: 1.8;
}

.join-movement-graphic {
    margin-bottom: 2rem;
    text-align: center;
}

.join-movement-graphic img {
    max-width: 400px;
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

.donate-cta {
    margin-bottom: 3rem;
}

.donate-note {
    margin-top: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
}

.donate-note a {
    color: var(--white);
    text-decoration: underline;
    font-weight: 600;
}

.donate-note a:hover {
    opacity: 0.8;
}

.social-share {
    padding-top: 3rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.social-share p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1rem;
    font-weight: 600;
}

.social-icons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

.social-icon {
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--white);
    transition: var(--transition-smooth);
}

.social-icon:hover {
    background-color: var(--white);
    color: var(--lupus-purple);
    transform: translateY(-4px) scale(1.1);
}

/* ===================================
   Footer
   =================================== */
.footer {
    background-color: var(--dark-grey);
    color: var(--white);
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
}

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

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    transition: var(--transition-smooth);
}

.footer-social a:hover {
    background-color: var(--lupus-purple);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

/* ===================================
   Sticky Donate Button
   =================================== */
.sticky-donate-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 999;
    opacity: 0;
    transform: translateY(100px);
    transition: var(--transition-smooth);
}

.sticky-donate-btn.visible {
    opacity: 1;
    transform: translateY(0);
}

.sticky-donate-btn .btn {
    box-shadow: var(--shadow-lg);
    padding: 1rem 2rem;
}

.sticky-donate-btn .btn:hover {
    transform: translateY(-4px);
}

.sticky-donate-btn .btn i {
    margin-right: 0.5rem;
}

/* ===================================
   Animations
   =================================== */
.fade-in {
    animation: fadeIn 1s ease-in;
}

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background-color: var(--white);
        flex-direction: column;
        justify-content: center;
        gap: 2rem;
        box-shadow: var(--shadow-lg);
        transition: right 0.3s ease;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    /* Force dark text in mobile menu for visibility */
    .nav-menu .nav-link {
        color: var(--dark-grey) !important;
        text-shadow: none !important;
    }
    
    .nav-menu .nav-link:hover {
        color: var(--lupus-purple) !important;
    }
    
    .nav-menu .nav-donate-btn {
        background-color: var(--lupus-purple);
        color: var(--white) !important;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(8px, -8px);
    }
    
    .promoter-card {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .promoter-placeholder {
        width: 200px;
        height: 200px;
    }
    
    .promoter-placeholder i {
        font-size: 4rem;
    }
}

@media (max-width: 768px) {
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-cta .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .fundraising-stats {
        grid-template-columns: 1fr;
    }
    
    .sticky-donate-btn {
        bottom: 1rem;
        right: 1rem;
    }
}

@media (max-width: 480px) {
    :root {
        font-size: 14px;
    }
    
    .section-padding {
        padding: 3rem 0;
    }
    
    .beneficiary-info {
        padding: 2rem 1.5rem;
    }
    
    .progress-card {
        padding: 2rem 1.5rem;
    }
}