/* =====================================================
   GLOBAL STYLES
   ===================================================== */
:root {
    --primary-blue: #3498db;
    --secondary-green: #2ecc71;
    --dark-blue: #2c3e50;
    --light-bg: #ecf0f1;
    --gray-text: #555555;
    --white: #ffffff;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

html, body {
    height: 100%;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--gray-text);
    line-height: 1.6;
    scroll-behavior: smooth;
}

/* =====================================================
   NAVBAR
   ===================================================== */
.navbar-custom {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    box-shadow: var(--shadow);
    padding: 1rem 0;
}

.navbar-custom .navbar-brand {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--white) !important;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.navbar-custom .nav-link {
    color: rgba(255, 255, 255, 0.8) !important;
    font-weight: 500;
    margin-left: 1rem;
    transition: var(--transition);
}

.navbar-custom .nav-link:hover {
    color: var(--secondary-green) !important;
}

.navbar-custom .nav-link.active {
    color: var(--secondary-green) !important;
    border-bottom: 2px solid var(--secondary-green);
}

/* =====================================================
   HERO SECTION
   ===================================================== */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
    margin-top: 60px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    animation: fadeInDown 1s ease;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    animation: fadeInUp 1s ease;
}

.btn-donate {
    background: linear-gradient(135deg, var(--secondary-green) 0%, #27ae60 100%);
    border: none;
    color: var(--white);
    padding: 0.75rem 2.5rem;
    font-weight: bold;
    border-radius: 50px;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(46, 204, 113, 0.4);
}

.btn-donate:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(46, 204, 113, 0.6);
    color: var(--white);
}

/* =====================================================
   SECTION TITLES
   ===================================================== */
.section-title {
    font-size: 2rem;
    font-weight: bold;
    color: var(--dark-blue);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--secondary-green);
    border-radius: 2px;
}

/* =====================================================
   INTRO SECTION
   ===================================================== */
.intro-section {
    padding-top: 5rem;
}

.intro-text {
    font-size: 1.1rem;
    color: var(--gray-text);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.intro-image {
    animation: float 3s ease-in-out infinite;
}

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

/* =====================================================
   FOCUS AREAS SECTION
   ===================================================== */
.focus-areas {
    background-color: var(--light-bg);
}

.focus-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
}

.focus-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.focus-icon {
    font-size: 3rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.focus-card h5 {
    color: var(--dark-blue);
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.focus-card p {
    font-size: 0.95rem;
    color: var(--gray-text);
}

/* =====================================================
   CTA SECTION
   ===================================================== */
.cta-section {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-green) 100%);
    color: var(--white);
}

.cta-section h2 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.1rem;
    margin-bottom: 0;
}

/* =====================================================
   FOOTER
   ===================================================== */
.footer {
    background: var(--dark-blue);
    color: rgba(255, 255, 255, 0.8);
    margin-top: 5rem;
}

.footer-title {
    color: var(--white);
    font-weight: bold;
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-divider {
    border-color: rgba(255, 255, 255, 0.2);
    margin: 2rem 0;
}

.footer-text {
    margin: 0;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

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

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

.social-icon:hover {
    background: var(--secondary-green);
    color: var(--white);
    transform: translateY(-3px);
}

/* =====================================================
   PAGE HEADER
   ===================================================== */
.page-header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    color: var(--white);
    padding: 6rem 0 3rem;
    text-align: center;
    margin-top: 60px;
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* =====================================================
   ABOUT PAGE STYLES
   ===================================================== */
.org-details {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 10px;
}

.detail-item {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #ddd;
}

.detail-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.detail-item h5 {
    color: var(--primary-blue);
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.detail-item p {
    color: var(--gray-text);
    margin: 0;
    font-size: 1.05rem;
}

.org-image {
    padding: 2rem;
}

.mission-vision-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.mission-vision-card:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.mission-vision-icon {
    font-size: 3rem;
    color: var(--secondary-green);
    margin-bottom: 1rem;
}

.mission-vision-card h3 {
    color: var(--dark-blue);
    font-weight: bold;
    margin-bottom: 1rem;
}

.trust-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.trust-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.trust-icon {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.trust-card h5 {
    color: var(--dark-blue);
    font-weight: bold;
}

.impact-stat {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.stat-number {
    font-size: 2.5rem;
    color: var(--secondary-green);
    font-weight: bold;
    margin-bottom: 0.5rem;
}

/* =====================================================
   DONATE PAGE STYLES
   ===================================================== */
.donation-container {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.btn-amount {
    background: var(--light-bg);
    color: var(--dark-blue);
    border: 2px solid transparent;
    padding: 1rem;
    font-weight: bold;
    border-radius: 8px;
    transition: var(--transition);
    width: 100%;
}

.btn-amount:hover,
.btn-amount.selected {
    background: var(--primary-blue);
    color: var(--white);
    border-color: var(--primary-blue);
}

.form-container {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.form-label {
    font-weight: 600;
    color: var(--dark-blue);
    margin-bottom: 0.5rem;
}

.form-control,
.form-select {
    border: 2px solid #ddd;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    transition: var(--transition);
    font-size: 1rem;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
}

.impact-box {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    color: var(--white);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: var(--transition);
}

.impact-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.4);
}

.impact-box h5 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

/* =====================================================
   CONTACT PAGE STYLES
   ===================================================== */
.contact-info-card {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--light-bg);
    border-radius: 10px;
    transition: var(--transition);
}

.contact-info-card:hover {
    background: var(--white);
    box-shadow: var(--shadow);
}

.contact-info-icon {
    font-size: 2rem;
    color: var(--secondary-green);
    min-width: 50px;
}

.contact-info-card h5 {
    color: var(--dark-blue);
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.contact-info-card p {
    color: var(--gray-text);
    margin: 0;
}

.contact-info-card a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: var(--transition);
}

.contact-info-card a:hover {
    color: var(--secondary-green);
}

/* =====================================================
   VOLUNTEER PAGE STYLES
   ===================================================== */
.opportunity-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    height: 100%;
}

.opportunity-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.opportunity-icon {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.opportunity-card h5 {
    color: var(--dark-blue);
    font-weight: bold;
    margin-bottom: 1rem;
}

.opportunity-card p {
    color: var(--gray-text);
    font-size: 0.95rem;
}

/* =====================================================
   UTILITY CLASSES
   ===================================================== */
.btn-primary {
    background: var(--primary-blue);
    border: none;
    transition: var(--transition);
    font-weight: 600;
}

.btn-primary:hover {
    background: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.4);
}

.btn-outline-primary {
    color: var(--primary-blue);
    border-color: var(--primary-blue);
    font-weight: 600;
    transition: var(--transition);
}

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

.badge {
    padding: 0.4rem 0.8rem;
    font-weight: 600;
}

/* =====================================================
   ANIMATIONS
   ===================================================== */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* =====================================================
   RESPONSIVE DESIGN
   ===================================================== */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

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

    .section-title {
        font-size: 1.5rem;
    }

    .navbar-custom .nav-link {
        margin-left: 0;
        margin-top: 0.5rem;
    }

    .page-header {
        padding: 4rem 0 2rem;
    }

    .page-header h1 {
        font-size: 1.8rem;
    }

    .page-header p {
        font-size: 1rem;
    }

    .donation-container,
    .form-container {
        padding: 1.5rem;
    }

    .row {
        margin-bottom: 1rem;
    }

    .btn-amount {
        padding: 0.75rem;
        font-size: 0.9rem;
    }

    .cta-section h2 {
        font-size: 1.5rem;
    }

    .cta-section p {
        font-size: 1rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .intro-text {
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    .hero-section {
        height: auto;
        padding: 4rem 0;
        margin-top: 50px;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 0.9rem;
    }

    .section-title {
        font-size: 1.3rem;
    }

    .footer {
        padding-top: 2rem;
    }

    .footer-title {
        font-size: 1rem;
    }

    .cta-section {
        text-align: center;
        padding: 2rem 0;
    }

    .cta-section .row {
        flex-direction: column;
    }

    .cta-section .btn-donate {
        width: 100%;
    }

    .contact-info-card {
        flex-direction: column;
        text-align: center;
    }

    .contact-info-icon {
        margin: 0 auto;
    }

    .social-icons {
        justify-content: center;
    }
}