/* ========================================
   GLOBAL CSS STYLESHEET
   To be used by all team members
   ======================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

/* ========================================
   COLOUR PALETTE
   ======================================== */
:root {
    /* Primary Colors */
    --primary-orange: #FFA500;
    --primary-orange-dark: #FF8C00;
    --primary-orange-light: #FFB84D;

    /* Secondary Colors */
    --secondary-blue: #2c3e50;
    --secondary-blue-light: #34495e;

    /* Neutral Colors */
    --neutral-white: #ffffff;
    --neutral-light-gray: #f8f9fa;
    --neutral-gray: #666666;
    --neutral-dark-gray: #333333;
    --neutral-black: #000000;

    /* Accent Colors */
    --accent-green: #27ae60;
    --accent-red: #e74c3c;

    /* Shadow Colors */
    --shadow-light: rgba(0, 0, 0, 0.1);
    --shadow-medium: rgba(0, 0, 0, 0.2);
    --shadow-dark: rgba(0, 0, 0, 0.3);
}

/* ========================================
   TYPOGRAPHY
   ======================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    color: var(--neutral-dark-gray);
    margin-bottom: 16px;
}

h1 {
    font-size: 56px;
    letter-spacing: 2px;
}

h2 {
    font-size: 40px;
    margin-bottom: 24px;
}

h3 {
    font-size: 24px;
    margin-bottom: 16px;
}

h4 {
    font-size: 20.8px;
    margin-bottom: 12.8px;
}

p {
    margin-bottom: 16px;
    color: var(--neutral-gray);
    font-size: 17.6px;
    line-height: 1.8;
}

a {
    color: var(--primary-orange);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--primary-orange-dark);
}

/* ========================================
   LAYOUT STRUCTURE
   ======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 0px;
}

.top-margin {
    margin-top: 100px;
}

main {
    min-height: calc(100vh - 200px);
}

section {
    padding: 40px 0;
}

/* ========================================
   HEADER & NAVIGATION
   ======================================== */
.header {
    background: var(--neutral-white);
    box-shadow: 0 2px 10px var(--shadow-light);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
}

.logo img {
    width: 180px;
    height: 60px;
    transition: transform 0.3s ease;
}

.logo img:hover {
    transform: scale(1.1);
}

.navigation {
    display: flex;
    list-style: none;
    gap: 16px;
    align-items: center;
}

.nav-link {
    color: var(--neutral-dark-gray);
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 25px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-orange);
    background-color: rgba(255, 165, 0, 0.1);
    transform: translateY(-2px);
}

.nav-link.active {
    color: var(--neutral-white);
    background-color: var(--primary-orange);
    box-shadow: 0 4px 15px var(--shadow-medium);
}

.nav-link.active:hover {
    background-color: var(--primary-orange-dark);
}

.page-nav-section {
    background: var(--neutral-light-gray);
    padding: 32px 0;
    border-top: 3px solid var(--primary-orange);
    border-bottom: 3px solid var(--primary-orange);
}

.page-nav-bar {
    text-align: center;
}

.page-nav-title {
    color: var(--secondary-blue);
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 24px;
    position: relative;
}

.page-nav-title::after {
    content: '';
    width: 60px;
    height: 3px;
    background: var(--primary-orange);
    display: block;
    margin: 8px auto 0;
    border-radius: 2px;
}

.page-nav-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.page-nav-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 16px;
    background: var(--neutral-white);
    border-radius: 12px;
    text-decoration: none;
    color: var(--neutral-dark-gray);
    transition: all 0.3s ease;
    box-shadow: 0 3px 10px var(--shadow-light);
    border: 2px solid transparent;
    min-width: 140px;
}

.page-nav-link:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px var(--shadow-medium);
    border-color: var(--primary-orange);
    color: var(--primary-orange);
}

.page-nav-link.active {
    background: var(--primary-orange);
    color: var(--neutral-white);
    border-color: var(--primary-orange-dark);
    box-shadow: 0 5px 15px var(--shadow-medium);
}

.page-nav-link.active:hover {
    background: var(--primary-orange-dark);
    transform: translateY(-3px);
}

.nav-icon {
    font-size: 28px;
    margin-bottom: 8px;
    transition: transform 0.3s ease;
}

.page-nav-link:hover .nav-icon {
    transform: scale(1.2);
}

.page-nav-link span {
    font-size: 14px;
    font-weight: 600;
    text-align: center;
    line-height: 1.3;
}

/* ========================================
   HEADER & NAVIGATION Specified for HOME PAGE
   ======================================== */
.home-header {
    background: #414141;
    box-shadow: 0 2px 10px var(--shadow-light);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.home-nav-link {
    color: var(--neutral-white);
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 25px;
    transition: all 0.3s ease;
    position: relative;
}

/* ========================================
   INTERNAL NAVIGATION BAR
   for Content pages
   ======================================== */

.internal-nav-section {
    background: var(--neutral-light-gray);
    padding: 32px 0;
    border-top: 3px solid var(--primary-orange);
    border-bottom: 3px solid var(--primary-orange);
}

.internal-nav-bar {
    text-align: center;
}


.internal-nav-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.internal-nav-link {
    display: inline-block;
    padding: 12px 24px;
    background: var(--neutral-white);
    border-radius: 25px;
    text-decoration: none;
    color: var(--neutral-dark-gray);
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 3px 10px var(--shadow-light);
    border: 2px solid transparent;
}

.internal-nav-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px var(--shadow-medium);
    border-color: var(--primary-orange);
    color: var(--primary-orange);
    background: var(--neutral-white);
}

.internal-nav-link:active,
.internal-nav-link.active {
    background: var(--primary-orange);
    color: var(--neutral-white);
    border-color: var(--primary-orange-dark);
    box-shadow: 0 5px 15px var(--shadow-medium);
}

.internal-nav-link.active:hover {
    background: var(--primary-orange-dark);
    transform: translateY(-2px);
}



/* ========================================
   Background Video
   ======================================== */
.bg-video {
    position: fixed;
    top: 0;
    left: 0;
    min-width: 100%;
    min-height: 100%;
    object-fit: cover;
    z-index: -1;
    opacity: 0.8;
}

/* ========================================
   Background Team Image
   ======================================== */
.bg-image {
    position: fixed;
    top: 0;
    left: 0;
    min-width: 100%;
    min-height: 100%;
    object-fit: cover;
    z-index: -1;
    opacity: 0.8;
}

/* ========================================
   Section Titile
   ======================================== */
.section-title {
    text-align: center;
    margin-bottom: 60px;
    color: var(--secondary-blue);
    font-size: 36px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-orange), var(--primary-orange-dark));
    border-radius: 2px;
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 25px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-size: 16px;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--primary-orange-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--shadow-medium);
}

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

.btn-secondary:hover {
    background: var(--secondary-blue-light);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--shadow-medium);
}

.btn-outline {
    background: transparent;
    color: var(--primary-orange);
    border: 2px solid var(--primary-orange);
}

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

.usr-btn {
    background: var(--primary-orange);
    color: var(--neutral-white);
    border: none;
    padding: 12px 24px;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.usr-btn-active {
    background: var(--neutral-white);
    color: var(--primary-orange);
    border: 2px solid var(--primary-orange-dark);
    padding: 12px 24px;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.usr-btn:hover {
    background: var(--primary-orange-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--shadow-medium);
}

.usr-btn-active:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--shadow-medium);
}

.cta-btn {
    background: var(--primary-orange);
    color: var(--neutral-white);
    border: none;
    padding: 15px 30px;
    border-radius: 30px;
    font-size: 17.6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cta-btn:hover {
    background: var(--primary-orange-dark);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px var(--shadow-medium);
}

/* ========================================
   CAUSES GRID
   ======================================== */
.causes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.cause-card {
    background: var(--neutral-white);
    padding: 32px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px var(--shadow-light);
    transition: all 0.3s ease;
}

.cause-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--neutral-white);
    font-weight: 700;
}

.cause-icon.poverty {
    background: var(--accent-red);
}

.cause-icon.conflict {
    background: var(--secondary-blue);
}

.cause-icon.climate {
    background: var(--accent-green);
}

.cause-icon.inequality {
    background: var(--primary-orange);
}

.cause-icon::before {
    content: '!';
    font-size: 28px;
}

.cause-card h3 {
    color: var(--secondary-blue);
    margin-bottom: 16px;
}

.cause-card p {
    color: var(--neutral-gray);
    line-height: 1.6;
}

/* ========================================
   CARDS & TILES
   ======================================== */
.card {
    background: var(--neutral-white);
    border-radius: 10px;
    box-shadow: 0 5px 15px var(--shadow-light);
    transition: all 0.3s ease;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px var(--shadow-medium);
}

.card-image {
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.card:hover .card-image img {
    transform: scale(1.1);
}

.card-content {
    padding: 32px;
}

.card-content h3 {
    color: var(--neutral-dark-gray);
    margin-bottom: 16px;
    font-size: 20.8px;
}

.card-content p {
    color: var(--neutral-gray);
    margin-bottom: 24px;
    line-height: 1.6;
}

.card-link {
    display: inline-block;
    color: var(--primary-orange);
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 20px;
    transition: all 0.3s ease;
    border: 2px solid var(--primary-orange);
}

.card-link:hover {
    background: var(--primary-orange);
    color: var(--neutral-white);
    transform: translateY(-2px);
}

/* ========================================
   IMAGE STYLES
   ======================================== */
img {
    max-width: 100%;
    height: auto;
}

.img-rounded {
    border-radius: 50%;
}

.img-shadow {
    box-shadow: 0 8px 25px var(--shadow-light);
}

.img-hover {
    transition: transform 0.3s ease;
}

.img-hover:hover {
    transform: scale(1.05);
}

/* ========================================
   Hero SECTION
   ======================================== */
.hero-section {
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--primary-orange-dark) 100%);
    color: var(--neutral-white);
    padding: 80px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
    margin-top: 100px;
}


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

.hero-content h1 {
    font-size: 48px;
    margin-bottom: 20px;
    color: var(--neutral-white);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 20px;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--secondary-blue);
    color: var(--neutral-white);
    padding: 48px 0 16px;
    margin-top: 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
    margin-bottom: 32px;
}

.footer-section h3 {
    color: var(--primary-orange);
    margin-bottom: 16px;
    font-size: 24px;
}

.footer-section h4 {
    color: var(--primary-orange);
    margin-bottom: 16px;
    font-size: 19.2px;
}

.footer-section p {

    line-height: 1.6;
    opacity: 0.9;
    color: rgba(255, 255, 255, 0.8);
}

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

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-section p a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
    padding: 1px 0;
    display: inline-block;
}

.footer-section p a:hover {
    color: var(--primary-orange);
    transform: translateY(5px);
}

.footer-logo img {
    display: inline-block;
    margin: 0 auto;
}

.footer-bottom {
    border-top: 1px solid var(--secondary-blue-light);
    padding-top: 16px;
    text-align: center;
    opacity: 0.8;
}

.footer-bottom p {
    margin-bottom: 8px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-bottom a {
    color: var(--primary-orange);
}

/* ========================================
   GO TO TOP BUTTON
   ======================================== */

.go-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 60px;
    height: 60px;
    background: var(--primary-orange);
    color: var(--neutral-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 5px 20px var(--shadow-medium);
    transition: all 0.3s ease;
    z-index: 999;
    border: 3px solid var(--neutral-white);
}

.go-to-top:hover {
    background: var(--primary-orange-dark);
    transform: translateY(-5px);
    box-shadow: 0 8px 30px var(--shadow-dark);
    border-color: var(--primary-orange-light);
    color: var(--neutral-white);
}

.go-to-top:active {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px var(--shadow-medium);
}

.go-to-top-arrow {
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 12px solid var(--neutral-white);
    transition: all 0.3s ease;
}

.go-to-top:hover .go-to-top-arrow {
    border-bottom-color: var(--neutral-white);
    transform: translateY(-2px);
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mb-1 {
    margin-bottom: 16px;
}

.mb-2 {
    margin-bottom: 32px;
}

.mb-3 {
    margin-bottom: 48px;
}

.mt-1 {
    margin-top: 16px;
}

.mt-2 {
    margin-top: 32px;
}

.mt-3 {
    margin-top: 48px;
}

.p-1 {
    padding: 16px;
}

.p-2 {
    padding: 32px;
}

.p-3 {
    padding: 48px;
}

.bg-primary {
    background-color: var(--primary-orange);
}

.bg-secondary {
    background-color: var(--secondary-blue);
}

.bg-light {
    background-color: var(--neutral-light-gray);
}

.bg-white {
    background-color: var(--neutral-white);
}

.text-primary {
    color: var(--primary-orange);
}

.text-secondary {
    color: var(--secondary-blue);
}

.text-white {
    color: var(--neutral-white);
}

.text-gray {
    color: var(--neutral-gray);
}


/* ========================================
   RESPONSIVE MEDIA QUERIES
   ======================================== */

/* Tablet Styles */
@media screen and (max-width: 768px) {
    .container {
        padding: 0 15px;
    }

    /* Typography */
    h1 {
        font-size: 36px;
        letter-spacing: 1px;
    }

    h2 {
        font-size: 28px;
        margin-bottom: 20px;
    }

    h3 {
        font-size: 20px;
        margin-bottom: 14px;
    }

    h4 {
        font-size: 18px;
        margin-bottom: 12px;
    }

    p {
        font-size: 16px;
        margin-bottom: 14px;
    }

    section {
        padding: 60px 0;
    }

    /* Navigation */
    .nav {
        flex-direction: column;
        gap: 16px;
        padding: 12px 0;
    }

    .logo img {
        width: 150px;
        height: 50px;
    }

    .navigation {
        gap: 12px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav-link {
        font-size: 14px;
        padding: 6px 12px;
    }

    /* Page Navigation */
    .page-nav-section {
        padding: 24px 0;
    }

    .page-nav-title {
        font-size: 20px;
        margin-bottom: 20px;
    }

    .page-nav-links {
        gap: 16px;
    }

    .page-nav-link {
        min-width: 120px;
        padding: 16px 12px;
    }

    .nav-icon {
        font-size: 24px;
        margin-bottom: 6px;
    }

    .page-nav-link span {
        font-size: 12px;
    }

    /* Internal Navigation */
    .internal-nav-section {
        padding: 24px 0;
    }

    .internal-nav-links {
        gap: 16px;
    }

    .internal-nav-link {
        padding: 10px 20px;
        font-size: 14px;
    }

    /* Hero Section */
    .hero-section {
        padding: 60px 0 40px;
    }

    .hero-content h1 {
        font-size: 32px;
        margin-bottom: 16px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    /* Cards */
    .card-image img {
        height: 200px;
    }

    .card-content {
        padding: 24px;
    }

    .card-content h3 {
        font-size: 18px;
    }

    /* Footer */
    .footer {
        padding: 40px 0 16px;
    }

    .footer-content {
        gap: 24px;
    }

    .footer-section h3 {
        font-size: 20px;
    }

    .footer-section h4 {
        font-size: 17px;
    }

    /* Go to Top Button */
    .go-to-top {
        width: 50px;
        height: 50px;
        bottom: 24px;
        right: 24px;
    }

    .go-to-top-arrow {
        border-left: 6px solid transparent;
        border-right: 6px solid transparent;
        border-bottom: 10px solid var(--neutral-white);
    }
}

/* Mobile Styles */
@media screen and (max-width: 480px) {
    .container {
        padding: 0 10px;
    }

    /* Typography */
    h1 {
        font-size: 28px;
        letter-spacing: 0.5px;
    }

    h2 {
        font-size: 24px;
        margin-bottom: 16px;
    }

    h3 {
        font-size: 18px;
        margin-bottom: 12px;
    }

    h4 {
        font-size: 16px;
        margin-bottom: 10px;
    }

    p {
        font-size: 14px;
        line-height: 1.6;
        margin-bottom: 12px;
    }

    section {
        padding: 40px 0;
    }

    /* Navigation */
    .nav {
        padding: 8px 0;
    }

    .logo img {
        width: 120px;
        height: 40px;
    }

    .navigation {
        gap: 8px;
    }

    .nav-link {
        font-size: 12px;
        padding: 4px 8px;
    }

    /* Page Navigation */
    .page-nav-section {
        padding: 20px 0;
    }

    .page-nav-title {
        font-size: 18px;
        margin-bottom: 16px;
    }

    .page-nav-links {
        gap: 12px;
        flex-direction: column;
        align-items: center;
    }

    .page-nav-link {
        min-width: 200px;
        padding: 14px 16px;
    }

    .nav-icon {
        font-size: 20px;
        margin-bottom: 4px;
    }

    .page-nav-link span {
        font-size: 11px;
    }

    /* Internal Navigation */
    .internal-nav-section {
        padding: 20px 0;
    }

    .internal-nav-links {
        gap: 12px;
        flex-direction: column;
        align-items: center;
    }

    .internal-nav-link {
        padding: 8px 16px;
        font-size: 13px;
        min-width: 180px;
        text-align: center;
    }

    /* Buttons */
    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }

    .usr-btn {
        padding: 10px 20px;
        font-size: 14px;
    }

    .cta-btn {
        padding: 12px 24px;
        font-size: 16px;
    }

    /* Hero Section */
    .hero-section {
        padding: 40px 0 30px;
    }

    .hero-content h1 {
        font-size: 24px;
        margin-bottom: 12px;
    }

    .hero-subtitle {
        font-size: 16px;
        line-height: 1.5;
    }

    /* Cards */
    .card-image img {
        height: 180px;
    }

    .card-content {
        padding: 20px;
    }

    .card-content h3 {
        font-size: 16px;
        margin-bottom: 12px;
    }

    .card-content p {
        margin-bottom: 16px;
    }

    /* Footer */
    .footer {
        padding: 32px 0 16px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 20px;
        text-align: center;
    }

    .footer-section h3 {
        font-size: 18px;
        margin-bottom: 12px;
    }

    .footer-section h4 {
        font-size: 16px;
        margin-bottom: 12px;
    }

    /* Go to Top Button */
    .go-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }

    .go-to-top-arrow {
        border-left: 5px solid transparent;
        border-right: 5px solid transparent;
        border-bottom: 8px solid var(--neutral-white);
    }

    /* Utility Classes Mobile Adjustments */
    .mb-1 {
        margin-bottom: 12px;
    }

    .mb-2 {
        margin-bottom: 24px;
    }

    .mb-3 {
        margin-bottom: 36px;
    }

    .mt-1 {
        margin-top: 12px;
    }

    .mt-2 {
        margin-top: 24px;
    }

    .mt-3 {
        margin-top: 36px;
    }

    .p-1 {
        padding: 12px;
    }

    .p-2 {
        padding: 24px;
    }

    .p-3 {
        padding: 36px;
    }
}