:root {
    --color-primary: #0B6B3A;
    --color-secondary: #D4A017;
    --color-white: #FFFFFF;
    --color-gray: #F5F5F5;
    --color-dark: #1B1B1B;
    --color-muted: #5A5A5A;
    --font-family: 'Inter', sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-family);
    color: var(--color-dark);
    background: #fff;
    line-height: 1.6;
}

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

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
select {
    font: inherit;
}

.container {
    width: min(1140px, calc(100% - 2rem));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(11, 107, 58, 0.08);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 0;
}

.brand {
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--color-primary);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.main-nav a,
.dropdown-toggle {
    color: var(--color-dark);
    font-weight: 500;
    background: transparent;
    border: none;
    cursor: pointer;
}

.nav-dropdown {
    position: relative;
}

.dropdown-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.dropdown-menu {
    position: absolute;
    top: 110%;
    right: 0;
    min-width: 220px;
    background: #fff;
    border: 1px solid rgba(11,107,58,0.12);
    border-radius: 1rem;
    box-shadow: 0 24px 80px rgba(0,0,0,0.08);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    z-index: 20;
}

.nav-dropdown:hover .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    display: block;
    padding: 0.9rem 1rem;
    color: var(--color-dark);
    border-bottom: 1px solid rgba(11,107,58,0.08);
}

.dropdown-menu a:last-child {
    border-bottom: none;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.locale-select {
    border: 1px solid #d7d7d7;
    border-radius: 999px;
    padding: 0.5rem 0.8rem;
    background: #fff;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 999px;
    padding: 0.95rem 1.5rem;
    cursor: pointer;
    font-weight: 600;
    transition: transform 0.2s ease, background-color 0.2s ease;
}

.button:hover {
    transform: translateY(-1px);
}

.button-primary {
    background: var(--color-primary);
    color: var(--color-white);
}

.button-secondary {
    background: var(--color-secondary);
    color: var(--color-dark);
}

.button-muted {
    background: rgba(255,255,255,0.92);
    color: var(--color-primary);
    border: 1px solid rgba(11,107,58,0.1);
}

.button-link {
    background: none;
    color: var(--color-primary);
    font-weight: 600;
    padding: 0;
}

.hero-section {
    position: relative;
    min-height: 85vh;
    display: grid;
    place-items: center;
    color: #fff;
    background: linear-gradient(135deg, rgba(11,107,58,0.8), rgba(11,107,58,0.9)), url('https://images.unsplash.com/photo-1510070009289-b5bc34383727?auto=format&fit=crop&w=1400&q=80') center/cover no-repeat;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(11,107,58,0.5), rgba(0,0,0,0.35));
}

.hero-content {
    position: relative;
    display: grid;
    gap: 2rem;
    padding: 4rem 0;
}

.hero-copy {
    max-width: 640px;
}

.eyebrow {
    display: inline-flex;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.hero-copy h1 {
    font-size: clamp(2.5rem, 5vw, 4.25rem);
    margin: 0;
    line-height: 1.05;
}

.hero-copy p {
    font-size: 1.1rem;
    margin: 1.25rem 0 1.75rem;
    max-width: 570px;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.hero-highlights {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.highlight-card {
    background: rgba(255,255,255,0.12);
    padding: 1.25rem;
    border-radius: 1rem;
    backdrop-filter: blur(6px);
}

.stats-section {
    padding: 4rem 0;
    background: var(--color-gray);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}

.stat-card {
    background: #fff;
    padding: 1.75rem;
    border-radius: 1rem;
    text-align: center;
    border: 1px solid rgba(11,107,58,0.08);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary);
}

.section-header {
    text-align: center;
    margin-bottom: 2rem;
}

.section-label {
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.8rem;
    color: var(--color-secondary);
    margin-bottom: 0.75rem;
}

.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.emergency-section,
.programs-section,
.sponsor-section,
.stories-section,
.projects-section,
.transparency-section,
.donation-section,
.volunteer-section,
.news-section,
.partners-section {
    padding: 4rem 0;
}

.appeal-card,
.program-card,
.story-card,
.gallery-card,
.report-card,
.donation-card,
.news-card,
.volunteer-form-card {
    background: #fff;
    border-radius: 1rem;
    padding: 1.75rem;
    border: 1px solid rgba(11,107,58,0.08);
}

.appeal-card p,
.program-card p,
.story-card p,
.report-card p,
.donation-card p,
.news-card p {
    color: var(--color-muted);
}

.progress-bar {
    background: rgba(11,107,58,0.1);
    border-radius: 999px;
    height: 0.8rem;
    margin: 1rem 0 0.5rem;
}

.progress-fill {
    display: block;
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
}

.goal-label {
    font-size: 0.95rem;
    margin-bottom: 1rem;
    color: var(--color-dark);
}

.program-card h3,
.story-card h3,
.gallery-card h3,
.report-card h3,
.donation-card h3,
.news-card h3 {
    margin-top: 0;
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.sponsor-content,
.volunteer-wrap {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    align-items: stretch;
}

.sponsor-options {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.sponsor-card,
.story-card,
.report-card,
.donation-card,
.news-card,
.volunteer-form-card {
    box-shadow: 0 16px 45px rgba(11,107,58,0.08);
}

.story-highlight {
    background: linear-gradient(180deg, rgba(11,107,58,0.1), rgba(212,160,23,0.12));
}

.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    margin-bottom: 2rem;
}

.filter-btn {
    background: #fff;
    border: 1px solid rgba(11,107,58,0.16);
    border-radius: 999px;
    padding: 0.8rem 1.25rem;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--color-primary);
    color: #fff;
    border-color: transparent;
}

.gallery-card {
    min-height: 220px;
    display: grid;
    place-items: center;
    text-align: center;
    background: linear-gradient(180deg, rgba(11,107,58,0.1), rgba(255,255,255,0.9));
}

.payment-methods {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.5rem;
    justify-content: center;
    color: var(--color-muted);
}

.volunteer-copy ul {
    padding-left: 1.2rem;
}

.volunteer-copy li {
    margin-bottom: 0.75rem;
}

.volunteer-form-card form {
    display: grid;
    gap: 1rem;
}

.volunteer-form-card input,
.volunteer-form-card select {
    width: 100%;
    padding: 0.95rem 1rem;
    border: 1px solid rgba(11,107,58,0.2);
    border-radius: 0.75rem;
    background: #f9f9f9;
}

.site-footer {
    background: #0B6B3A;
    color: #fff;
    padding: 3rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 2rem;
}

.site-footer h3 {
    margin-top: 0;
    color: #fff;
}

.site-footer p,
.site-footer li,
.site-footer a {
    color: rgba(255,255,255,0.82);
}

.site-footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.social-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}

.social-links a {
    color: rgba(255,255,255,0.82);
    background: rgba(255,255,255,0.08);
    border-radius: 999px;
    padding: 0.6rem 1rem;
}

.footer-bottom {
    margin-top: 2rem;
    text-align: center;
    opacity: 0.9;
}

@media (max-width: 1024px) {
    .grid-4,
    .grid-3,
    .programs-grid,
    .stats-grid,
    .sponsor-options,
    .footer-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .hero-section {
        padding: 3rem 0;
    }
}

@media (max-width: 768px) {
    .header-inner {
        flex-wrap: wrap;
    }

    .main-nav {
        justify-content: center;
        flex-wrap: wrap;
        gap: 0.75rem;
    }

    .hero-content {
        padding: 2.5rem 0;
    }

    .grid-4,
    .grid-3,
    .programs-grid,
    .stats-grid,
    .sponsor-options,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .sponsor-content,
    .volunteer-wrap {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 560px) {
    .hero-copy h1 {
        font-size: 2.4rem;
    }

    .button {
        width: 100%;
    }

    .hero-cta {
        flex-direction: column;
    }
}