/* Custom Styling for Ahtab Green Sustainability Initiative */

:root {
    /* Color Palette */
    --color-bg: #03130e;
    --color-alt-bg: #061c15;
    --color-surface: #0a251d;
    --color-surface-hover: #10382d;
    --color-primary: #10b981;
    --color-primary-rgb: 16, 185, 129;
    --color-primary-hover: #34d399;
    --color-accent: #f97316;
    --color-accent-rgb: 249, 115, 22;
    --color-accent-hover: #fb923c;
    --color-text: #f3f4f6;
    --color-text-muted: #9ca3af;
    --color-border: rgba(255, 255, 255, 0.08);
    --color-glass: rgba(10, 37, 29, 0.65);
    
    /* Layout */
    --max-width: 1200px;
    --header-height: 80px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: 'Cairo', 'Outfit', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Language-specific overrides */
html[lang="en"] body {
    font-family: 'Outfit', 'Cairo', sans-serif;
}

canvas#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

header, main, footer, section {
    position: relative;
    z-index: 1;
}

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

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

/* Utilities */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}

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

.text-highlight {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hidden {
    display: none !important;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    border: none;
    gap: 8px;
    font-size: 0.95rem;
}

.btn-primary {
    background-color: var(--color-primary);
    color: #03130e;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.15);
}

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

.btn-outline:hover {
    background-color: rgba(16, 185, 129, 0.1);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1.05rem;
}

.btn-block {
    display: flex;
    width: 100%;
}

/* Header */
.header {
    height: var(--header-height);
    background-color: var(--color-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
}

.header-container {
    max-width: var(--max-width);
    height: 100%;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.3rem;
    color: var(--color-text);
}

.logo-img {
    height: 36px;
    width: auto;
    display: block;
}

.logo-icon {
    font-size: 1.6rem;
    animation: flamePulse 2s infinite ease-in-out;
}

@keyframes flamePulse {
    0%, 100% { transform: scale(1); filter: drop-shadow(0 0 2px var(--color-accent)); }
    50% { transform: scale(1.15) rotate(5deg); filter: drop-shadow(0 0 8px var(--color-accent)); }
}

.nav-menu {
    display: flex;
    gap: 32px;
}

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

.nav-link:hover {
    color: var(--color-primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    padding-top: calc(var(--header-height) + 60px);
    padding-bottom: 80px;
    display: flex;
    align-items: center;
    background: radial-gradient(circle at 70% 30%, rgba(16, 185, 129, 0.08) 0%, transparent 60%),
                radial-gradient(circle at 10% 80%, rgba(249, 115, 22, 0.05) 0%, transparent 50%);
}

.hero-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 24px;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background-color: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.25);
    border-radius: 50px;
    color: var(--color-primary);
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
}

html[lang="en"] .hero-title {
    font-size: 4.5rem;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    margin-bottom: 40px;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 64px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.stat-card {
    background-color: var(--color-glass);
    border: 1px solid var(--color-border);
    padding: 24px 16px;
    border-radius: 16px;
    backdrop-filter: blur(8px);
}

.stat-number {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-weight: 600;
}

/* Sections Header */
.section-header {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 60px auto;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--color-text);
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--color-text-muted);
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
    align-items: center;
}

.about-image-card {
    position: relative;
    height: 400px;
    border-radius: 24px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 32px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background-image: linear-gradient(rgba(0,0,0,0.1), rgba(3, 19, 14, 0.95)), url('https://images.unsplash.com/photo-1542601906990-b4d3fb778b09?auto=format&fit=crop&w=800&q=80');
    background-size: cover;
    background-position: center;
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(16, 185, 129, 0.2) 0%, transparent 60%);
    pointer-events: none;
}

.about-badge {
    align-self: flex-start;
    padding: 4px 12px;
    background-color: var(--color-accent);
    color: #fff;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.8rem;
    margin-bottom: 12px;
}

.about-content h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.about-content p {
    color: var(--color-text-muted);
    margin-bottom: 20px;
}

.quote-box {
    border-right: 4px solid var(--color-primary);
    padding: 8px 16px 8px 0;
    margin-top: 32px;
    background-color: rgba(16, 185, 129, 0.04);
    border-radius: 0 8px 8px 0;
}

html[lang="en"] .quote-box {
    border-right: none;
    border-left: 4px solid var(--color-primary);
    padding: 8px 0 8px 16px;
    border-radius: 8px 0 0 8px;
}

.quote-text {
    font-style: italic;
    font-weight: 600;
    color: var(--color-text) !important;
    margin-bottom: 6px !important;
}

.quote-author {
    font-size: 0.85rem;
    color: var(--color-primary);
    font-weight: 700;
}

/* Pillars Section */
.pillars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.pillar-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 32px;
    transition: var(--transition-normal);
}

.pillar-card:hover {
    transform: translateY(-8px);
    background-color: var(--color-surface-hover);
    border-color: rgba(16, 185, 129, 0.25);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
}

.pillar-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    display: inline-block;
}

.pillar-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.pillar-desc {
    font-size: 0.92rem;
    color: var(--color-text-muted);
}

/* Interactive Calculator */
.calc-widget {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 24px;
    padding: 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.calc-inputs h3, .calc-results h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 12px;
}

.slider-group {
    margin-bottom: 36px;
}

.slider-group label {
    display: flex;
    justify-content: space-between;
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 16px;
}

.highlight-val {
    color: var(--color-accent);
    font-size: 1.3rem;
    font-weight: 800;
}

.modern-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 8px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    outline: none;
    margin-bottom: 10px;
}

.modern-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-accent);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(249, 115, 22, 0.5);
    transition: var(--transition-fast);
}

.modern-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    background: var(--color-accent-hover);
}

.slider-ticks {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.wood-type-selector .selector-label {
    display: block;
    margin-bottom: 12px;
    font-weight: 600;
    font-size: 0.95rem;
}

.type-buttons {
    display: flex;
    gap: 12px;
}

.type-btn {
    flex: 1;
    background-color: rgba(255,255,255,0.04);
    border: 1px solid var(--color-border);
    padding: 12px;
    border-radius: 8px;
    color: var(--color-text-muted);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
}

.type-btn.active {
    background-color: rgba(16, 185, 129, 0.1);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 30px;
}

.result-card {
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 16px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.result-icon {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.result-number {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.result-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    line-height: 1.3;
}

.garden-simulator {
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 16px;
    padding: 20px;
    border: 1px solid var(--color-border);
}

.garden-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--color-text-muted);
}

.garden-badge {
    background-color: var(--color-primary);
    color: #03130e;
    padding: 2px 10px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
}

.garden-grid {
    height: 100px;
    display: flex;
    flex-wrap: wrap;
    align-content: flex-start;
    gap: 8px;
    overflow-y: auto;
    padding: 4px;
}

.garden-tree {
    font-size: 1.4rem;
    animation: sprout 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes sprout {
    from { transform: scale(0) translateY(10px); }
    to { transform: scale(1) translateY(0); }
}

/* Map Section */
.map-container {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: 40px;
    align-items: center;
}

.map-visual {
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 24px;
    border: 1px solid var(--color-border);
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.libya-map {
    width: 100%;
    height: auto;
    max-height: 500px;
}

.map-outline {
    fill: rgba(16, 185, 129, 0.05);
    stroke: rgba(16, 185, 129, 0.25);
    stroke-width: 3;
    stroke-linejoin: round;
    transition: var(--transition-normal);
}

.map-marker {
    cursor: pointer;
}

.marker-pulse {
    fill: rgba(16, 185, 129, 0.2);
    transform-origin: center;
    animation: pulseCircle 2s infinite ease-out;
}

.marker-core {
    fill: var(--color-primary);
    transition: var(--transition-fast);
}

.map-marker:hover .marker-core {
    fill: var(--color-accent);
    r: 10;
}

.map-marker.active .marker-core {
    fill: var(--color-accent);
}

.map-marker.active .marker-pulse {
    fill: rgba(249, 115, 22, 0.3);
}

.marker-label-svg {
    fill: var(--color-text);
    font-size: 14px;
    font-weight: 700;
    pointer-events: none;
    font-family: 'Cairo', 'Outfit', sans-serif;
}

@keyframes pulseCircle {
    0% { transform: scale(0.4); opacity: 0.9; }
    100% { transform: scale(1.6); opacity: 0; }
}

.site-detail-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 30px;
    position: relative;
    overflow: hidden;
}

.site-detail-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--color-primary);
}

html[lang="en"] .site-detail-card::before {
    left: 0;
}

html[lang="ar"] .site-detail-card::before {
    right: 0;
    left: auto;
}

.site-status-badge {
    display: inline-block;
    padding: 4px 10px;
    background-color: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 50px;
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.site-detail-card h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
}

.site-detail-card p {
    font-size: 0.92rem;
    color: var(--color-text-muted);
    margin-bottom: 24px;
}

.site-stats-mini {
    display: flex;
    gap: 20px;
    border-top: 1px solid var(--color-border);
    padding-top: 20px;
}

.mini-stat {
    flex: 1;
}

.mini-val {
    display: block;
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--color-accent);
}

.mini-lbl {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-weight: 600;
}

/* Join Section */
.join-card {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(249, 115, 22, 0.05)), var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 28px;
    padding: 50px;
    max-width: 800px;
    margin: 0 auto;
}

.join-content {
    text-align: center;
}

.join-content h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.join-content p {
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto 36px auto;
}

.join-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 20px;
}

.form-control {
    background-color: rgba(0,0,0,0.25);
    border: 1px solid var(--color-border);
    padding: 14px 20px;
    border-radius: 10px;
    color: var(--color-text);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

.form-checkboxes {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 30px;
}

.checkbox-container {
    display: flex;
    align-items: center;
    position: relative;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    user-select: none;
    gap: 10px;
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    height: 20px;
    width: 20px;
    background-color: rgba(0,0,0,0.25);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    position: relative;
    transition: var(--transition-fast);
    display: inline-block;
}

.checkbox-container:hover input ~ .checkmark {
    border-color: var(--color-primary);
}

.checkbox-container input:checked ~ .checkmark {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

.checkbox-container .checkmark:after {
    left: 7px;
    top: 3px;
    width: 5px;
    height: 10px;
    border: solid #03130e;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.form-success-msg {
    animation: sprout 0.5s ease forwards;
    padding: 30px 20px;
}

.success-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 16px;
    animation: bounce 1s infinite alternate;
}

@keyframes bounce {
    from { transform: translateY(0); }
    to { transform: translateY(-8px); }
}

/* Footer */
.footer {
    background-color: #010a08;
    border-top: 1px solid var(--color-border);
    padding: 80px 0 30px 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-desc {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    max-width: 320px;
}

.footer-links h4, .footer-contact h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--color-text);
}

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

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

.footer-links ul li a {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.footer-links ul li a:hover {
    color: var(--color-primary);
}

.footer-contact p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid var(--color-border);
    padding-top: 30px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* Animation Utilities */
.animate-fade-in { animation: fadeIn 1s ease forwards; opacity: 0; }
.animate-slide-up { animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards; opacity: 0; }
.animate-slide-up-delay { animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards; opacity: 0; }
.animate-slide-up-delay2 { animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.4s forwards; opacity: 0; }
.animate-fade-in-delay { animation: fadeIn 1s ease 0.6s forwards; opacity: 0; }

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

/* Responsive Rules */
@media (max-width: 992px) {
    .hero-title {
        font-size: 3rem;
    }
    html[lang="en"] .hero-title {
        font-size: 3.2rem;
    }
    .about-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    .about-image-card {
        height: 300px;
    }
    .calc-widget {
        grid-template-columns: 1fr;
        gap: 36px;
        padding: 30px;
    }
    .map-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .header-container {
        padding: 0 16px;
    }
    .nav-menu {
        display: none; /* simple responsive hide */
    }
    .hero-title {
        font-size: 2.3rem;
    }
    html[lang="en"] .hero-title {
        font-size: 2.5rem;
    }
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .form-inputs {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
}