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

:root {
    /* Color Palette */
    --primary-red: #C8102E;
    --dark-red: #A80D27;
    --primary-blue: #003DA5;
    --navy-blue: #002868;
    --light-blue: #4A7BA7;
    --white: #FFFFFF;
    --off-white: #F8F9FA;
    --light-gray: #E8EEF2;
    --medium-gray: #6C757D;
    --dark-gray: #343A40;
    --text-dark: #212529;

    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Source Sans 3', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    line-height: 1.8;
    font-size: 18px;
    overflow-x: hidden;
}

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

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

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

/* ===========================
   Utility Classes
   =========================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: 2.5rem;
    color: var(--navy-blue);
    margin-bottom: var(--spacing-sm);
}

.title-underline {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-red), var(--primary-blue));
    margin: 0 auto var(--spacing-md);
}

.section-description {
    font-size: 1.1rem;
    color: var(--medium-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ===========================
   Buttons
   =========================== */
.btn {
    display: inline-block;
    padding: 1.125rem 2.5rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.1rem;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: var(--transition-normal);
    text-align: center;
    min-height: 50px;
    min-width: 160px;
}

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

.btn-primary:hover {
    background: #A50D24;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(200, 16, 46, 0.3);
}

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

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-blue);
}

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

.btn-blue:hover {
    background: var(--navy-blue);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(19, 14, 159, 0.3);
}

/* ===========================
   Navigation
   =========================== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: var(--transition-normal);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.nav-logo {
    display: flex;
    flex-direction: column;
}

.logo-name {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-red);
    letter-spacing: 1px;
}

.logo-subtitle {
    font-size: 0.7rem;
    color: var(--primary-blue);
    font-weight: 600;
    letter-spacing: 2px;
}

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

.nav-link {
    color: var(--text-dark);
    font-weight: 600;
    font-size: 0.95rem;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-red);
    transition: width var(--transition-normal);
}

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

.btn-donate-nav {
    background: var(--primary-blue);
    color: var(--white);
    padding: 0.625rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
}

.btn-donate-nav:hover {
    background: var(--navy-blue);
    transform: translateY(-2px);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 10px;
    min-width: 44px;
    min-height: 44px;
    justify-content: center;
    align-items: center;
}

.mobile-menu-toggle span {
    width: 28px;
    height: 3px;
    background: var(--primary-blue);
    transition: var(--transition-normal);
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--dark-red) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        linear-gradient(45deg, transparent 48%, rgba(255, 255, 255, 0.03) 50%, transparent 52%),
        linear-gradient(-45deg, transparent 48%, rgba(255, 255, 255, 0.03) 50%, transparent 52%);
    background-size: 30px 30px;
    opacity: 0.5;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.2);
}

.hero-content {
    position: relative;
    text-align: center;
    color: var(--white);
    z-index: 2;
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-size: 5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 3px;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--light-gray);
}

.hero-tagline {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-lg);
    font-style: italic;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--white);
    font-size: 0.9rem;
    opacity: 0.8;
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 30px;
    height: 30px;
    border-right: 2px solid var(--white);
    border-bottom: 2px solid var(--white);
    transform: rotate(45deg);
    margin: 10px auto 0;
}

/* ===========================
   About Section
   =========================== */
.about {
    padding: var(--spacing-xl) 0;
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-image {
    position: relative;
}

.image-placeholder {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--primary-red), var(--primary-blue));
    border-radius: 20px;
    padding: 5px;
    box-shadow: 0 10px 40px rgba(0, 61, 165, 0.15);
}

.image-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 17px;
    display: block;
    background: var(--light-gray);
}

.about-text h3 {
    font-size: 2rem;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-md);
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-md);
}

.about-stats {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-red);
    font-family: var(--font-heading);
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: var(--medium-gray);
    font-weight: 600;
}

/* ===========================
   Issues Section
   =========================== */
.issues {
    padding: var(--spacing-xl) 0;
    background: var(--off-white);
}

.issues-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.issue-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition-normal);
}

.issue-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 61, 165, 0.15);
}

.issue-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-red), var(--primary-blue));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.issue-icon svg {
    width: 32px;
    height: 32px;
    color: var(--white);
}

.issue-card h3 {
    font-size: 1.5rem;
    color: var(--navy-blue);
    margin-bottom: var(--spacing-sm);
}

.issue-card p {
    color: var(--dark-gray);
    line-height: 1.7;
}

/* ===========================
   Contact Section
   =========================== */
.contact {
    padding: var(--spacing-xl) 0;
    background: var(--off-white);
}

.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
}

.contact-form-wrapper {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    padding: 1.125rem;
    border: 2px solid var(--light-gray);
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 1.05rem;
    transition: var(--transition-normal);
    min-height: 50px;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
}

.form-group input.invalid,
.form-group textarea.invalid {
    border-color: #dc3545;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.info-card {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.info-card h3 {
    font-size: 1.3rem;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

.info-card p {
    color: var(--dark-gray);
    margin-bottom: var(--spacing-xs);
}

.info-card a[href^="mailto"] {
    color: var(--primary-blue);
}

.info-card a[href^="mailto"]:hover {
    text-decoration: underline;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.social-link {
    width: 45px;
    height: 45px;
    background: var(--primary-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition-normal);
}

.social-link:hover {
    background: var(--primary-red);
    transform: translateY(-3px);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

/* ===========================
   Footer
   =========================== */
.footer {
    background: var(--navy-blue);
    color: var(--white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-logo {
    display: flex;
    flex-direction: column;
}

.footer-logo .logo-name {
    color: var(--white);
}

.footer-logo .logo-subtitle {
    color: var(--light-gray);
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-links a {
    color: var(--light-gray);
    font-size: 0.95rem;
}

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

.footer-bottom {
    text-align: center;
    font-size: 0.9rem;
    color: var(--light-gray);
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    40% {
        transform: translateX(-50%) translateY(-10px);
    }

    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: var(--transition-normal);
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: var(--spacing-md) 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .image-placeholder {
        margin: 0 auto;
    }

    .about-stats {
        justify-content: center;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 1.3rem;
    }

    .hero-tagline {
        font-size: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }

    .issues-grid {
        grid-template-columns: 1fr;
    }

    .about-stats {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .logo-name {
        font-size: 1.2rem;
    }

    .logo-subtitle {
        font-size: 0.6rem;
    }

    .section-title {
        font-size: 1.75rem;
    }
}