:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --accent: #ff6b35;
    --accent-glow: rgba(255, 107, 53, 0.3);
    --text-primary: #f5f5f7;
    --text-muted: #8a8a9a;
    --border: rgba(255, 255, 255, 0.08);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* Animated background */
.bg-grid {
    position: fixed;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 107, 53, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 107, 53, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
}

.bg-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    filter: blur(80px);
    pointer-events: none;
    z-index: 0;
    animation: float 20s ease-in-out infinite;
}

.bg-glow:nth-child(1) {
    top: -200px;
    right: -100px;
}

.bg-glow:nth-child(2) {
    bottom: -300px;
    left: -200px;
    animation-delay: -10s;
    opacity: 0.5;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    animation: slideDown 0.8s ease-out;
}

@keyframes slideDown {
    from { transform: translateY(-100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.logo {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}

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

.nav-links {
    display: flex;
    gap: 1.5rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 400;
    transition: color 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
}

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

/* Mobile menu button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 2rem 3rem;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 900px;
    text-align: center;
}

.hero-tag {
    display: inline-block;
    padding: 0.5rem 1.2rem;
    background: rgba(255, 107, 53, 0.1);
    border: 1px solid rgba(255, 107, 53, 0.3);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--accent);
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero h1 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2.5rem, 7vw, 5rem);
    font-weight: 500;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero h1 em {
    font-style: italic;
    color: var(--accent);
}

.hero p {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 2.5rem;
    font-weight: 300;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

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

.cta-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: var(--accent);
    color: var(--bg-primary);
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Temperature Widget */
.temp-widget {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    text-align: center;
    min-width: 160px;
}

.temp-widget .temp-name {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.temp-widget .temp-value {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--accent);
}

.temp-widget .temp-time {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* Temperature Chart Widget */
.temp-chart-widget {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    min-width: 280px;
    height: 140px;
}

.temp-chart-widget .chart-title {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
    text-align: center;
}

.temp-chart-widget canvas {
    max-height: 100px;
}

/* Features Section */
.features {
    padding: 5rem 2rem;
    position: relative;
    z-index: 1;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    margin-bottom: 0.75rem;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1rem;
    max-width: 500px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    display: block;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 107, 53, 0.3);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: rgba(255, 107, 53, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
}

.feature-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Links Section */
.links-section {
    padding: 4rem 2rem;
    position: relative;
    z-index: 1;
}

.links-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    max-width: 900px;
    margin: 0 auto;
}

.link-card {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.link-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.link-icon {
    font-size: 1.2rem;
}

.link-text {
    font-size: 0.95rem;
}

.link-arrow {
    color: var(--accent);
    transition: transform 0.3s ease;
}

.link-card:hover .link-arrow {
    transform: translateX(4px);
}

/* Page Content Section */
.page-content {
    padding: 8rem 2rem 4rem;
    position: relative;
    z-index: 1;
    min-height: 100vh;
}

.page-header {
    max-width: 1200px;
    margin: 0 auto 3rem;
}

.page-header h1 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 0.5rem;
}

.page-header h1 em {
    font-style: italic;
    color: var(--accent);
}

.page-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.content-grid {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* Sidebar */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.sidebar-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem;
}

.sidebar-section h3 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    margin-bottom: 1rem;
    font-weight: 600;
}

.sidebar-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.sidebar-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    transition: all 0.2s ease;
    display: block;
}

.sidebar-links a:hover {
    color: var(--text-primary);
    background: rgba(255, 107, 53, 0.1);
}

/* Main Content Area */
.main-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
}

.main-content h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.main-content p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

/* Data Table */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}

.data-table th,
.data-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.data-table th {
    color: var(--accent);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.data-table tr:hover {
    background: rgba(255, 107, 53, 0.05);
}

.data-table td {
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* Info Cards */
.info-card {
    background: rgba(255, 107, 53, 0.05);
    border: 1px solid rgba(255, 107, 53, 0.2);
    border-radius: 12px;
    padding: 1.25rem;
    margin-bottom: 1rem;
}

.info-card h4 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.info-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

/* UTC Clock */
.utc-clock {
    font-family: 'Courier New', monospace;
    font-size: 1.5rem;
    color: var(--accent);
    background: var(--bg-primary);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    text-align: center;
    border: 1px solid var(--border);
}

/* Search Form */
.search-form {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.search-form label {
    display: block;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.search-form input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    margin-bottom: 1rem;
    transition: border-color 0.3s ease;
}

.search-form input:focus {
    outline: none;
    border-color: var(--accent);
}

.search-form button {
    padding: 0.75rem 1.5rem;
    background: var(--accent);
    color: var(--bg-primary);
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

.search-form button:hover {
    box-shadow: 0 4px 20px var(--accent-glow);
}

/* Footer */
footer {
    padding: 2rem;
    text-align: center;
    border-top: 1px solid var(--border);
    position: relative;
    z-index: 1;
}

footer p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Solar Widget */
.solar-widget {
    text-align: center;
}

.solar-widget img {
    max-width: 100%;
    border-radius: 8px;
}

/* Responsive */
@media (max-width: 900px) {
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        order: 2;
    }
}

/* Modal Popup */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s ease;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.modal-overlay.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    line-height: 1;
    transition: color 0.2s ease;
}

.modal-close:hover {
    color: var(--accent);
}

.modal-content h3 {
    font-size: 1.5rem;
    color: var(--accent);
    margin-bottom: 1.5rem;
    font-family: 'Playfair Display', serif;
}

.modal-content .loading {
    color: var(--text-muted);
    text-align: center;
    padding: 2rem 0;
}

.modal-content .error {
    color: #ff6b6b;
    background: rgba(255, 107, 107, 0.1);
    border: 1px solid rgba(255, 107, 107, 0.3);
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
}

.modal-content .no-results {
    color: var(--text-muted);
    text-align: center;
    padding: 2rem 0;
    font-style: italic;
}

.result-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.result-item {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.result-location {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1rem;
}

.result-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    nav {
        padding: 1rem 1.5rem;
    }

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

    .nav-links {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: rgba(10, 10, 15, 0.98);
        flex-direction: column;
        padding: 1rem 2rem 2rem;
        gap: 0.5rem;
        transform: translateY(-100%);
        opacity: 0;
        transition: all 0.3s ease;
        pointer-events: none;
        border-bottom: 1px solid var(--border);
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .nav-links a {
        padding: 0.75rem 0;
    }

    .hero {
        padding: 5rem 1.5rem 2rem;
    }

    .features, .links-section {
        padding: 3rem 1.5rem;
    }

    .feature-card, .main-content {
        padding: 1.5rem;
    }

    .page-content {
        padding: 6rem 1.5rem 3rem;
    }
}