/* 
  Jökulsárlón Glacier Lagoon - Design System 
  Colors: Atlantic Blue, Glacial Cyan, Basalt Grey, Snow White 
*/

:root {
    --primary-blue: #0a4275;
    /* Deep Atlantic */
    --accent-cyan: #00d2ff;
    /* Glacial Blue */
    --accent-yellow: #f4c430;
    /* Golden Yellow */
    --bg-dark: #0f172a;
    --text-light: #f8fafc;
    --text-muted: #94a3b8;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --container-width: 1200px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1,
h2,
h3,
h4 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: #fff;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
}

h2 {
    font-size: clamp(2rem, 5vw, 2.5rem);
    border-left: 4px solid var(--accent-cyan);
    padding-left: 1rem;
}

p {
    margin-bottom: 1.5rem;
    color: var(--text-muted);
    font-size: 1.1rem;
}


a {
    color: var(--accent-cyan);
    text-decoration: none;
    transition: var(--transition-smooth);
}

a:hover {
    color: #fff;
}

/* Image Utilities */
.image-grid {
    display: flex;
    gap: 1.5rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.image-item {
    flex: 1 1 calc(50% - 1.5rem);
    min-width: 300px;
}

.image-item img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    object-fit: cover;
    aspect-ratio: 16 / 9;
}

/* Layout */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding-left: 2rem;
    padding-right: 2rem;
}

section {
    padding-top: 2rem;
    padding-bottom: 2rem;
}

/* Navbar */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    padding: 1.5rem 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(90deg, #fff, var(--accent-cyan));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: #fff;
    font-weight: 500;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.nav-links a:hover {
    color: var(--accent-cyan);
}

/* Hero Section */
.hero {
    min-height: 480px;
    height: 90vh;
    padding-top: 180px;
    padding-bottom: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(rgba(15, 23, 42, 0.4), rgba(15, 23, 42, 0.8)), url('../images/hero-bg.png') center/cover;
    text-align: center;
    position: relative;
}

.hero-content {
    max-width: 800px;
}

.hero p {
    margin-bottom: 1.5rem;
    /* Reduced from 3rem */
    color: var(--text-light);
    opacity: 0.9;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    font-size: 0.8rem;
    color: var(--accent-cyan);
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
}

/* Cards & Grid */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 2.5rem;
    border-radius: 12px;
    transition: var(--transition-smooth);
}

.card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-cyan);
    background: rgba(255, 255, 255, 0.08);
}

/* Footer */
footer {
    padding: 4rem 0;
    border-top: 1px solid var(--glass-border);
    background: #0b1120;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h4 {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: #fff;
}

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

.footer-section ul li {
    margin-bottom: 0.8rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 3rem;
    border-top: 1px solid var(--glass-border);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .menu-toggle {
        display: block !important;
        cursor: pointer;
        padding: 0.5rem;
    }

    .menu-toggle span {
        display: block;
        width: 25px;
        height: 2px;
        background: #fff;
        margin: 5px 0;
        transition: var(--transition-smooth);
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(15, 23, 42, 0.95);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        border-bottom: 1px solid var(--glass-border);
        text-align: center;
    }

    .nav-links.mobile-open {
        display: flex;
    }

    .hero {
        height: 70vh;
    }

    section {
        padding: 4rem 0;
    }
}

.menu-toggle {
    display: none;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
}

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

.btn-primary:hover {
    background: #ffdb58;
    color: var(--bg-dark);
    transform: scale(1.05);
}

.btn-primary:active {
    background: #d4a300;
    color: var(--bg-dark);
    transform: scale(0.98);
}

/* Utility */
.text-center {
    text-align: center;
}


.mb-4 {
    margin-bottom: 2rem;
}

/* Reviews Section */
.reviews-grid {
    margin-top: 2rem;
}

.review-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

.stars {
    color: var(--accent-yellow);
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.review-text {
    font-style: italic;
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    position: relative;
}

.review-text::before {
    content: '"';
    font-size: 3rem;
    position: absolute;
    top: -20px;
    left: -10px;
    opacity: 0.1;
    font-family: serif;
}

.reviewer {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--accent-cyan);
    margin-top: auto;
}

/* Feature Tags */
.tags {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.tag {
    padding: 0.2rem 0.8rem;
    background: rgba(0, 210, 255, 0.1);
    border: 1px solid rgba(0, 210, 255, 0.2);
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--accent-cyan);
    font-weight: 600;
    text-transform: uppercase;
}

.tag.premium {
    background: rgba(244, 196, 48, 0.1);
    border-color: rgba(244, 196, 48, 0.3);
    color: var(--accent-yellow);
}

/* Price Cards & badges */
.price-badge {
    background: var(--accent-cyan);
    color: var(--bg-dark);
    padding: 0.3rem 0.7rem;
    border-radius: 4px;
    font-weight: 800;
    font-size: 0.9rem;
    margin-left: 0.5rem;
}

.tour-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.info-item {
    background: rgba(255, 255, 255, 0.03);
    padding: 1.2rem;
    border-radius: 8px;
    border: 1px solid var(--glass-border);
}

.info-item h4 {
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.info-item p {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
}

.review-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.rating-score {
    font-weight: 700;
    color: var(--accent-yellow);
}

/* Comparison Table */
.comparison-container {
    overflow-x: auto;
    margin-top: 2rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th,
td {
    padding: 1.2rem 1.5rem;
    border-bottom: 1px solid var(--glass-border);
}

th {
    background: rgba(255, 255, 255, 0.05);
    color: var(--accent-cyan);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.85rem;
}

td {
    color: var(--text-light);
}

tr:last-child td {
    border-bottom: none;
}

.check {
    color: #4ade80;
}

.cross {
    color: #f87171;
}

/* FAQ Accordion */
.faq-accordion {
    max-width: 900px;
    margin: 0 auto;
}

.faq-category {
    margin-bottom: 3rem;
}

.faq-category h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--accent-cyan);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.faq-item {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.faq-item:hover {
    border-color: rgba(0, 210, 255, 0.3);
}

.faq-question {
    width: 100%;
    padding: 1.5rem 2rem;
    background: none;
    border: none;
    color: #fff;
    font-size: 1.1rem;
    font-weight: 600;
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-family: inherit;
    transition: var(--transition-smooth);
}

.faq-toggle {
    position: relative;
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-left: 1rem;
}

.faq-toggle::before,
.faq-toggle::after {
    content: '';
    position: absolute;
    background: var(--accent-cyan);
    transition: var(--transition-smooth);
}

/* Horizontal line */
.faq-toggle::before {
    top: 9px;
    left: 0;
    width: 100%;
    height: 2px;
}

/* Vertical line */
.faq-toggle::after {
    top: 0;
    left: 9px;
    width: 2px;
    height: 100%;
}

.faq-item.active .faq-toggle::after {
    transform: rotate(90deg);
    opacity: 0;
}

.faq-item.active .faq-toggle::before {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0, 1, 0, 1);
    background: rgba(255, 255, 255, 0.02);
}

.faq-item.active .faq-answer {
    max-height: 1000px;
    transition: all 0.5s cubic-bezier(1, 0, 1, 0);
}

.faq-answer p {
    padding: 0 2rem 1.5rem;
    margin: 0;
    font-size: 1rem;
}

.faq-item.active {
    border-color: var(--accent-cyan);
    background: rgba(255, 255, 255, 0.08);
}