/**
 * Travel Sense - Global Styles
 */

/* Flag-emoji polyfill — Chrome på Windows mangler glyph for landeflag-emoji.
   Twemoji Country Flags er en lille (~270KB) webfont der KUN dækker flag-emoji
   unicode-rangen. Browsers der allerede har flag-glyphs (Firefox, macOS, mobil)
   ignorerer fontten via unicode-range-checken. */
@font-face {
    font-family: 'Twemoji Country Flags';
    unicode-range: U+1F1E6-1F1FF, U+1F3F4, U+E0062-E007F;
    src: url('https://cdn.jsdelivr.net/npm/country-flag-emoji-polyfill@0.1.8/dist/TwemojiCountryFlags.woff2') format('woff2');
    font-display: swap;
}

:root {
    --bg-dark: #1a1a2e;
    --bg-darker: #16162a;
    --bg-card: #1f1f3a;
    --accent-green: #4ecca3;
    --accent-green-dark: #3db892;
    --text-white: #ffffff;
    --text-light: #e0e0e0;
    --text-muted: #8888a0;
    --border-color: #2a2a4a;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: 'Twemoji Country Flags', 'Montserrat', sans-serif;
    background: var(--bg-dark);
    color: var(--text-light);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(22, 22, 42, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.header-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo img {
    height: 40px;
    max-width: 180px;
    object-fit: contain;
}

.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.nav a:hover,
.nav a.active {
    color: var(--accent-green);
}

.nav-cta {
    background: var(--accent-green) !important;
    color: var(--bg-dark) !important;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.nav-cta:hover {
    background: var(--accent-green-dark) !important;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-darker);
    z-index: 2000;
    flex-direction: column;
    padding: 1rem;
}

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

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1rem;
}

.mobile-menu-header button {
    background: none;
    border: none;
    color: var(--text-white);
    font-size: 1.5rem;
    cursor: pointer;
}

.mobile-menu a {
    display: block;
    padding: 1rem;
    color: var(--text-light);
    text-decoration: none;
    border-bottom: 1px solid var(--border-color);
}

.mobile-menu a:hover {
    color: var(--accent-green);
}

.mobile-cta {
    background: var(--accent-green) !important;
    color: var(--bg-dark) !important;
    text-align: center;
    margin-top: 1rem;
    border-radius: var(--radius-sm);
}

/* Main Content */
main {
    padding-top: 80px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: var(--accent-green);
    color: var(--bg-dark);
}

.btn-primary:hover {
    background: var(--accent-green-dark);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    border-color: var(--accent-green);
    color: var(--accent-green);
}

.btn-sm {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-green);
}

/* Section Headers */
.section {
    padding: 5rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

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

.section-label {
    background: var(--bg-card);
    color: var(--accent-green);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    color: var(--text-white);
    margin-bottom: 1rem;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Grids */
.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-auto { grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); }

/* Footer */
.footer {
    background: var(--bg-darker);
    padding: 4rem 2rem 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-inner {
    max-width: 1400px;
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: var(--text-muted);
    margin-top: 1rem;
    max-width: 300px;
}

.footer-col h4 {
    color: var(--accent-green);
    margin-bottom: 1rem;
}

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

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

.footer-col a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-col a:hover {
    color: var(--accent-green);
}

.social-links a {
    font-size: 1.5rem;
    margin-right: 0.5rem;
    text-decoration: none;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

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

/* Loading States */
.loading {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-green);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-light);
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--bg-darker);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-white);
    font-size: 1rem;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-green);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav { display: none; }
    .mobile-menu-toggle { display: block; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .header-inner { padding: 0 1rem; }
    .section { padding: 3rem 1rem; }
}