:root {
    --primary-color: #1a4b8c;
    --secondary-color: #e63946;
    --accent-color: #f4a261;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --text-color: #333;
    --text-light: #6c757d;
    --white: #ffffff;
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 20px rgba(0, 0, 0, 0.08);
    --transition-duration: 0.3s;
    --transition-ease: cubic-bezier(0.2, 0.9, 0.4, 1.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

body {
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
    overflow-x: hidden;
    position: relative; /* ensures skip-link works */
}

html {
    scroll-behavior: smooth;
}

/* Respect user motion preferences */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

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

ul {
    list-style: none;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    background-color: var(--secondary-color);
    color: var(--white);
    border: none;
    border-radius: 40px;
    cursor: pointer;
    transition: background-color var(--transition-duration) var(--transition-ease),
                transform var(--transition-duration) var(--transition-ease),
                box-shadow var(--transition-duration) var(--transition-ease);
    font-weight: 600;
    letter-spacing: 0.3px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.btn:hover {
    background-color: #c1121f;
    transform: translateY(-3px);
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.15);
}

.btn:focus-visible,
.nav-link:focus-visible,
.dropdown-item:focus-visible,
.social-links a:focus-visible,
.whatsapp-float:focus-visible,
.sticky-donate:focus-visible,
.hamburger:focus-visible {
    outline: 3px solid var(--accent-color);
    outline-offset: 3px;
}

.section {
    padding: 80px 0;
    scroll-margin-top: 90px; /* prevent fixed header from covering sections */
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 700;
}

.section-title p {
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.1rem;
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: white;
    padding: 8px 16px;
    z-index: 10000;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 500;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 20px;
    outline: 2px solid var(--accent-color);
}

/* Header */
header {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 15px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--accent-color);
}

/* Navigation */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-menu li {
    position: relative;
}

.nav-link {
    color: var(--white);
    font-weight: 500;
    transition: color var(--transition-duration) var(--transition-ease),
                background-color var(--transition-duration) var(--transition-ease);
    padding: 8px 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    border-radius: 30px;
}

.nav-link:hover {
    color: var(--accent-color);
    background-color: rgba(255, 255, 255, 0.08);
}

/* Arrow rotation for dropdown (no extra class needed) */
.nav-link i {
    font-size: 0.75rem;
    transition: transform 0.25s ease;
}

.nav-dropdown:hover .nav-link i,
.nav-dropdown:focus-within .nav-link i {
    transform: rotate(180deg);
}

/* Dropdown - works with hover and focus (keyboard accessible) */
.dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--white);
    min-width: 240px;
    box-shadow: var(--shadow-md);
    border-radius: 16px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
    z-index: 100;
    padding: 8px 0;
}

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

.dropdown-item {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: var(--text-color);
    transition: background-color 0.2s, padding-left 0.2s;
    gap: 12px;
    font-weight: 500;
}

.dropdown-item:hover,
.dropdown-item:focus-visible {
    background-color: #f0f4fa;
    color: var(--primary-color);
    padding-left: 26px;
    outline: none;
}

.dropdown-item i {
    width: 22px;
    color: var(--primary-color);
}

.donate-btn {
    background-color: var(--secondary-color);
    padding: 8px 24px;
    border-radius: 40px;
    margin-left: 8px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.donate-btn:hover {
    background-color: #c1121f;
    transform: translateY(-2px);
    color: white;
}

/* Hamburger */
.hamburger {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    cursor: pointer;
    width: 32px;
    height: 32px;
    flex-direction: column;
    justify-content: space-between;
    padding: 5px 0;
}

.hamburger-line {
    display: block;
    height: 3px;
    width: 100%;
    background-color: var(--white);
    border-radius: 4px;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

/* Floating buttons */
.sticky-donate {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background-color: var(--secondary-color);
    color: white;
    padding: 12px 24px;
    border-radius: 50px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
    z-index: 999;
    transition: background-color var(--transition-duration) var(--transition-ease),
                transform var(--transition-duration) var(--transition-ease);
    font-weight: 700;
    text-align: center;
}

.sticky-donate:hover {
    background-color: #c1121f;
    transform: translateY(-4px) scale(1.02);
}

.whatsapp-float {
    position: fixed;
    left: 24px;
    bottom: 24px;
    background-color: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
    z-index: 999;
    transition: transform 0.25s ease, background-color 0.25s ease;
}

.whatsapp-float:hover {
    transform: scale(1.1) translateY(-3px);
    background-color: #20b859;
}

/* Hero */
.hero {
    background: linear-gradient(135deg, rgba(26, 75, 140, 0.8), rgba(26, 75, 140, 0.85)), url('../images/hero-bg.jpg') no-repeat center center/cover;
    color: var(--white);
    padding: 180px 0 120px;
    text-align: center;
    position: relative;
    display: flex;
    align-items: center;
    min-height: 100vh;
}

.hero-content {
    width: 100%;
}

.hero h1 {
    font-size: 3.6rem;
    margin-bottom: 20px;
    line-height: 1.2;
    animation: fadeInUp 0.9s ease both;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.hero p {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto 32px;
    animation: fadeInUp 0.9s ease 0.15s both;
    opacity: 0.95;
}

.hero-btns {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    animation: fadeInUp 0.9s ease 0.3s both;
}

.hero-btns .btn {
    background-color: var(--accent-color);
    color: var(--dark-color);
}

.hero-btns .btn:hover {
    background-color: #e76f51;
    color: white;
}

/* About */
.about {
    background-color: var(--light-color);
}

.about-content {
    display: flex;
    align-items: center;
    gap: 60px;
}

.about-text {
    flex: 1;
}

.about-text h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 2.2rem;
}

.about-image {
    flex: 1;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-duration) var(--transition-ease);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.about-image:hover img {
    transform: scale(1.03);
}

/* Impact Stats */
.impact-stats {
    background-color: var(--primary-color);
    color: white;
    padding: 70px 0;
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-number {
    font-size: 3.2rem;
    font-weight: 800;
    margin-bottom: 10px;
    color: var(--accent-color);
}

/* Programs */
.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 35px;
}

.program-card {
    background: var(--white);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.program-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-md);
}

.program-img {
    height: 220px;
    overflow: hidden;
}

.program-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.program-card:hover .program-img img {
    transform: scale(1.08);
}

.program-content {
    padding: 28px;
}

/* Testimonials */
.testimonials {
    background-color: var(--light-color);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: var(--white);
    padding: 28px;
    border-radius: 28px;
    box-shadow: var(--shadow-sm);
    position: relative;
    transition: transform 0.25s ease;
    isolation: isolate; /* creates stacking context for quote */
}

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

.testimonial-card::before {
    content: "\201C";
    font-size: 5rem;
    color: rgba(26, 75, 140, 0.1);
    position: absolute;
    top: 10px;
    left: 20px;
    line-height: 1;
    z-index: -1; /* behind content */
}

.testimonial-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 20px;
    margin-bottom: 20px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-top: 20px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
}

.author-info h4 {
    margin-bottom: 5px;
    color: var(--primary-color);
}

.author-info p {
    font-size: 0.85rem;
    color: var(--text-light);
}

/* Values */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: 30px;
}

.value-card {
    background: var(--white);
    padding: 30px 25px;
    border-radius: 28px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-duration) var(--transition-ease),
                box-shadow var(--transition-duration) var(--transition-ease);
}

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

.value-icon {
    width: 80px;
    height: 80px;
    background: rgba(26, 75, 140, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 22px;
    color: var(--primary-color);
    font-size: 2rem;
    transition: background-color var(--transition-duration) var(--transition-ease),
                color var(--transition-duration) var(--transition-ease),
                transform var(--transition-duration) var(--transition-ease);
}

.value-card:hover .value-icon {
    background: var(--primary-color);
    color: white;
    transform: rotate(6deg) scale(1.05);
}

/* Progress */
.progress-section {
    background: linear-gradient(120deg, var(--primary-color), #0f3b6f);
    color: white;
    padding: 80px 0;
}

.progress-section .section-title h2 {
    color: white;
}

.progress-section .section-title p {
    color: rgba(255, 255, 255, 0.9);
}

.progress-container {
    max-width: 800px;
    margin: 0 auto;
}

.progress-item {
    margin-bottom: 32px;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-weight: 500;
}

.progress-bar {
    height: 12px;
    background-color: rgba(255, 255, 255, 0.25);
    border-radius: 20px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background-color: var(--accent-color);
    border-radius: 20px;
    width: 0%;
    transition: width 1.2s cubic-bezier(0.22, 0.97, 0.36, 1);
}

/* Contact */
.contact-container {
    display: flex;
    gap: 50px;
}

.contact-info,
.contact-form {
    flex: 1;
}

.contact-item {
    display: flex;
    gap: 18px;
    margin-bottom: 28px;
    align-items: flex-start;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: rgba(26, 75, 140, 0.1);
    border-radius: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.3rem;
    transition: background-color 0.2s, color 0.2s;
}

.contact-item:hover .contact-icon {
    background: var(--primary-color);
    color: white;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark-color);
}

.form-control {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid #e0e4e8;
    border-radius: 60px;
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(26, 75, 140, 0.2);
}

textarea.form-control {
    border-radius: 24px;
    resize: vertical;
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3 {
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h3::after {
    content: '';
    width: 50px;
    height: 2px;
    background: var(--accent-color);
    position: absolute;
    left: 0;
    bottom: 0;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.2s, transform 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.footer-links a:hover {
    color: var(--accent-color);
    transform: translateX(4px);
}

.social-links {
    display: flex;
    gap: 14px;
    margin-top: 20px;
}

.social-links a {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s, transform 0.2s;
}

.social-links a:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
}

.newsletter input {
    width: 100%;
    padding: 12px;
    border-radius: 60px;
    border: none;
    margin-bottom: 12px;
}

.newsletter .btn {
    background-color: var(--accent-color);
    color: var(--dark-color);
}

.copyright {
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-top: 28px;
    font-size: 0.9rem;
}

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

/* Loading spinner */
.loading {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.6s linear infinite;
    margin-right: 8px;
    vertical-align: middle;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ─── Responsive ─── */
@media (max-width: 992px) {
    .about-content,
    .contact-container {
        flex-direction: column;
    }
    .hero h1 {
        font-size: 2.6rem;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 80px;
        right: 0;
        transform: translateX(100%);
        background: var(--primary-color);
        width: 80%;
        height: calc(100vh - 80px);
        flex-direction: column;
        align-items: flex-start;
        padding: 40px 24px;
        transition: transform 0.3s ease;
        gap: 20px;
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.2);
        overflow-y: auto;
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-link {
        width: 100%;
        justify-content: space-between;
    }

    /* Mobile dropdown: works with JS .active and :focus-within */
    .dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: rgba(255, 255, 255, 0.12);
        margin-top: 8px;
        display: none;
        width: 100%;
        box-shadow: none;
        border-radius: 20px;
    }

    .dropdown.active,
    .nav-dropdown:focus-within .dropdown {
        display: block;
    }

    .dropdown-item {
        color: white;
        padding: 12px 20px;
    }

    .dropdown-item i {
        color: var(--accent-color);
    }

    .hero {
        padding: 150px 0 80px;
        min-height: auto;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .section {
        padding: 60px 0;
    }

    .whatsapp-float {
        left: 16px;
        bottom: 80px;
        width: 52px;
        height: 52px;
    }

    .sticky-donate {
        bottom: 16px;
        right: 16px;
        padding: 8px 20px;
    }

    .section-title h2 {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    .stat-number {
        font-size: 2.4rem;
    }
}