:root {
    --primary-color: #ffdde1;
    /* Sakura Pink light */
    --primary-dark: #ee9ca7;
    /* Sakura Pink dark */
    --accent-color: #bd3f32;
    /* Japanese Red */
    --text-color: #2c3e50;
    --bg-color: #fdfbf7;
    /* Warm white/paper */
    --card-bg: #ffffff;
    --secondary-bg: #e6e6e6;
    --indigo: #2c3e50;
    --bamboo: #789048;

    --font-heading: 'Noto Sans JP', sans-serif;
    --font-body: 'Outfit', sans-serif;

    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    font-weight: 700;
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 1px;
}

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

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    font-weight: 600;
    transition: color 0.3s;
}

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

/* Hero Section */
.hero {
    height: 100vh;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    color: white;
    background: linear-gradient(135deg, #2c3e50 0%, #000000 100%);
    overflow: hidden;
}

/* Simulated background image/effect via gradient for now, can be replaced by real image */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1493976040374-85c8e12f0c0e?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80') center/cover no-repeat;
    opacity: 0.6;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 1rem;
    animation: fadeInUp 1s ease-out;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: var(--accent-color);
    color: white;
    border-radius: 50px;
    font-weight: 600;
    transition: transform 0.3s, background-color 0.3s;
}

.btn:hover {
    background-color: #a03025;
    transform: translateY(-2px);
}

/* Intro & Route */
.intro-text {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem auto;
    font-size: 1.1rem;
    color: #555;
}

.route-map {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.route-stop {
    background: white;
    padding: 1rem 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
    display: flex;
    flex-direction: column;
}

.route-stop .city {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--indigo);
}

.route-stop .days {
    font-size: 0.9rem;
    color: #888;
}

.connector {
    width: 50px;
    height: 2px;
    background: #ddd;
}

/* Countdown */
.countdown-container {
    display: flex;
    gap: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 2rem;
}

.time-segment {
    display: flex;
    flex-direction: column;
    background: rgba(0, 0, 0, 0.6);
    padding: 1rem;
    border-radius: 8px;
    min-width: 80px;
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.time-segment span:first-child {
    font-size: 2.5rem;
    font-weight: 700;
    color: #fff;
    font-family: var(--font-heading);
}

.time-segment .label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0.2rem;
    color: #ddd;
}

/* Hotel Badge */
.hotel-badge {
    background: #fff;
    color: var(--text-color);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    box-shadow: var(--shadow);
    margin: -1rem auto 2rem auto;
    /* Position under city header */
    width: fit-content;
    display: block;
    position: relative;
    z-index: 2;
    border: 1px solid var(--primary-color);
    transition: all 0.3s ease;
    text-decoration: none;
}

.hotel-badge:hover {
    background-color: var(--primary-color);
    color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    cursor: pointer;
}

/* Itinerary Timeline */
#itinerary h2,
#intro h2,
#tips h2 {
    text-align: center;
    margin-bottom: 1rem;
    font-size: 2.5rem;
    color: var(--indigo);
}

.city-header {
    text-align: center;
    margin: 3rem 0 2rem 0;
    font-size: 2rem;
    color: var(--accent-color);
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-color);
    padding: 0 1rem;
    z-index: 2;
}

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 4px;
    background-color: var(--primary-dark);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -2px;
    z-index: 0;
    border-radius: 2px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    background-color: inherit;
    width: 50%;
    box-sizing: border-box;
    margin-bottom: 2rem;
}

.timeline-item.left {
    left: 0;
}

.timeline-item.right {
    left: 50%;
}

.timeline-item::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    right: -10px;
    background-color: white;
    border: 4px solid var(--accent-color);
    top: 20px;
    border-radius: 50%;
    z-index: 1;
    transition: background-color 0.3s;
}

.timeline-item.right::after {
    left: -10px;
}

.timeline-item:hover::after {
    background-color: var(--accent-color);
}

.content {
    padding: 20px 30px;
    background-color: white;
    position: relative;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.content h4 {
    margin-bottom: 0.5rem;
    color: var(--indigo);
}

.content .day {
    display: inline-block;
    background: var(--primary-color);
    color: var(--accent-color);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

/* Tips Section */
.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.tip-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.3s;
    border-bottom: 4px solid transparent;
}

.tip-card:hover {
    transform: translateY(-5px);
    border-bottom: 4px solid var(--bamboo);
}

.tip-card .icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.tip-card h3 {
    margin-bottom: 1rem;
    color: var(--indigo);
}

/* Footer */
footer {
    background: var(--indigo);
    color: white;
    text-align: center;
    padding: 2rem;
}

/* Back to Top Button */
#back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    opacity: 0;
    pointer-events: none;
    /* Clickable only when visible */
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
}

#back-to-top.visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

#back-to-top:hover {
    background: #a03025;
    transform: translateY(-5px);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media screen and (max-width: 768px) {
    .timeline::after {
        left: 31px;
    }

    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }

    .timeline-item::after {
        left: 21px;
    }

    .timeline-item.left,
    .timeline-item.right {
        left: 0;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .nav-links {
        display: none;
        /* Mobile menu could be added here */
    }

    .connector {
        display: none;
    }
}

/* Map */
#map {
    height: 500px;
    width: 100%;
    border-radius: 16px;
    box-shadow: var(--shadow);
    z-index: 1;
}

/* Animations JS classes */
.fade-in-section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-section.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Enhanced Mobile Responsiveness */
@media screen and (max-width: 768px) {
    .container {
        padding: 2rem 1rem;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .countdown-container {
        gap: 0.8rem;
    }

    .time-segment {
        min-width: 60px;
        padding: 0.5rem;
    }

    .time-segment span:first-child {
        font-size: 1.8rem;
    }

    .navbar {
        padding: 1rem;
        flex-direction: column;
        gap: 1rem;
        background: rgba(255, 255, 255, 0.98);
    }

    .nav-links {
        gap: 1.5rem;
        font-size: 0.9rem;
    }

    .route-stop {
        width: 100%;
        margin-bottom: 1rem;
    }

    .connector {
        display: none;
    }

    /* Timeline Mobile Fixes */
    .timeline::after {
        left: 20px;
    }

    .timeline-item {
        width: 100%;
        padding-left: 50px;
        padding-right: 10px;
    }

    .timeline-item.right,
    .timeline-item.left {
        left: 0;
    }

    .timeline-item::after {
        left: 10px;
    }

    .city-header {
        font-size: 1.5rem;
        width: 100%;
        margin: 2rem 0;
        padding: 0;
        background: transparent;
    }

    .hotel-badge {
        margin: -1rem auto 2rem auto;
        font-size: 0.9rem;
    }
}

/* Resources & Links */
.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.resource-card {
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    align-items: center;
    /* Center content */
    text-align: center;
    /* Center text */
}

.resource-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-dark);
}

.res-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.resource-card h3 {
    margin-bottom: 0.5rem;
    color: var(--indigo);
}

.resource-card p {
    font-size: 0.95rem;
    color: #666;
    margin-bottom: 1.5rem;
    flex-grow: 1;
    /* Pushes arrow down */
}

.link-arrow {
    font-weight: 700;
    color: var(--accent-color);
    font-size: 0.9rem;
}

/* Hero Buttons */
.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1.2s ease-out;
}

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

.btn-outline:hover {
    background-color: white;
    color: var(--text-color);
    transform: translateY(-2px);
}

/* Packing List */
.packing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.packing-category {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.packing-category h3 {
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
    color: var(--indigo);
}

.pack-item {
    display: flex;
    align-items: center;
    margin-bottom: 0.8rem;
    cursor: pointer;
    font-size: 1rem;
    transition: opacity 0.2s;
}

.pack-item:hover {
    opacity: 0.8;
}

.pack-item input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 24px;
    height: 24px;
    border: 2px solid var(--bamboo);
    border-radius: 6px;
    margin-right: 12px;
    position: relative;
    cursor: pointer;
    background: white;
}

.pack-item input[type="checkbox"]:checked {
    background-color: var(--bamboo);
}

.pack-item input[type="checkbox"]:checked::after {
    content: '✓';
    color: white;
    font-size: 16px;
    font-weight: bold;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.pack-item input[type="checkbox"]:checked+span {
    text-decoration: line-through;
    color: #aaa;
}

/* Progress Bar */
.progress-bar-container {
    background: #e0e0e0;
    border-radius: 20px;
    height: 12px;
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    overflow: hidden;
}

.progress-bar {
    background: var(--bamboo);
    height: 100%;
    width: 0%;
    transition: width 0.5s ease;
    border-radius: 20px;
}


/* --- INTERACTIVE EXTRAS --- */

/* Weather Widget */
.weather-section {
    padding: 4rem 2rem;
    background: linear-gradient(to bottom, #fff, #faf9f6);
}

.weather-grid {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.weather-card {
    background: white;
    padding: 1.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    width: 200px;
    text-align: center;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.weather-city {
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.weather-temp {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--indigo);
    margin: 0.5rem 0;
}

.weather-desc {
    font-size: 0.9rem;
    color: #888;
}

/* Modern Footer */
.modern-footer {
    background: var(--indigo);
    color: white;
    padding-top: 5rem;
    margin-top: 8rem;
    position: relative;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 4rem;
    padding-bottom: 4rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand h3 {
    font-size: 1.8rem;
    margin-bottom: 0.8rem;
    letter-spacing: 2px;
    font-family: var(--font-heading);
    background: linear-gradient(to right, #fff, #ccc);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-tagline {
    font-style: italic;
    color: #aaa;
    font-family: var(--font-body);
    font-weight: 300;
}

.footer-links h4,
.footer-info h4 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-links ul {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 1rem;
}

.footer-links a {
    color: #bbb;
    text-decoration: none;
    transition: all 0.3s;
    display: inline-block;
}

.footer-links a:hover {
    color: white;
    transform: translateX(5px);
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.footer-info p {
    color: #bbb;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-bottom {
    text-align: center;
    padding: 2rem;
    color: #666;
    font-size: 0.9rem;
    background: rgba(0, 0, 0, 0.3);
}

/* Updated Phrasebook Styles */
.phrase-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    max-width: 1000px;
    margin: 2rem auto;
}

@media screen and (max-width: 768px) {
    .phrase-grid {
        grid-template-columns: repeat(2, 1fr);
        /* 2 Columns on Mobile */
    }

    .countdown-container {
        justify-content: center;
        /* Force center on mobile */
    }
}

.phrase-btn {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    padding: 1.5rem;
    border-radius: 16px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.phrase-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.4) 0%, rgba(255, 255, 255, 0) 100%);
    opacity: 0;
    transition: opacity 0.3s;
}

.phrase-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border-color: var(--primary-color);
}

.phrase-btn:hover::before {
    opacity: 1;
}

.phrase-btn:active {
    transform: scale(0.98);
}

.phrase-jp {
    display: block;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--indigo);
}

/* Revised Footer Alignment */
.footer-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.footer-info h4 {
    align-self: flex-start;
    margin-left: 0;
}

.footer-info p {
    color: #bbb;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Back to Top Button - Premium Design */
#back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: rgba(255, 255, 255, 0.95);
    color: var(--indigo);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    opacity: 0;
    pointer-events: none;
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(10px);
}

#back-to-top.visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

#back-to-top:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    color: var(--accent-color);
}

/* CURRENCY CONVERTER */
.currency-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.currency-input-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    min-width: 150px;
}

.currency-input-group label {
    font-weight: 600;
    color: var(--indigo);
}

.currency-input-group input {
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: 12px;
    font-size: 1.2rem;
    width: 100%;
    background: #fafafa;
    transition: all 0.3s;
}

.currency-input-group input:focus {
    border-color: var(--accent-color);
    background: white;
    outline: none;
    box-shadow: 0 0 0 4px rgba(189, 63, 50, 0.1);
}

.currency-icon {
    font-size: 1.5rem;
    color: #888;
    margin-top: 1.5rem;
}

/* MOBILE OPTIMIZATIONS (CRITICAL) */
@media screen and (max-width: 768px) {

    /* Timer Centering */
    .countdown-container {
        justify-content: center !important;
        gap: 0.5rem;
    }

    /* Phrasebook Grid: 2 Columns */
    .phrase-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }

    /* Currency Stack */
    .currency-card {
        flex-direction: column;
        gap: 1.5rem;
    }

    .currency-icon {
        transform: rotate(90deg);
        margin: 0;
    }
}

#back-to-top:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    color: var(--accent-color);
}

/* World Clocks */
.world-clock-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2.5rem;
    margin-bottom: 4rem;
    flex-wrap: wrap;
}

.clock-card {
    background: white;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border: 4px solid rgba(255, 255, 255, 0.5);
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
    /* Glassmorphism feel */
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
}

.clock-card:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

.clock-card.japan-card {
    border-bottom: 4px solid rgba(255, 255, 255, 0.5);
    /* Reset the previous bottom border */
    border: 4px solid var(--accent-color);
    /* Full border color for Japan */
}

.clock-city {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #888;
    margin-bottom: 0.2rem;
    font-weight: 600;
}

.clock-time {
    font-size: 3.5rem;
    font-weight: 700;
    font-family: var(--font-heading);
    /* Matching site font as requested */
    color: var(--indigo);
    line-height: 1;
    letter-spacing: -2px;
}

.clock-date {
    font-size: 0.9rem;
    color: var(--primary-dark);
    margin-top: 0.2rem;
    font-weight: 600;
}

.time-diff-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--accent-color);
    font-weight: 700;
    font-size: 1rem;
    background: white;
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    box-shadow: var(--shadow);
    z-index: 2;
}

.diff-arrow {
    font-size: 1.5rem;
    margin-bottom: 0.2rem;
}

@media screen and (max-width: 600px) {
    .world-clock-container {
        gap: 1.5rem;
        flex-direction: column;
        /* Stack nicely on mobile */
    }

    .clock-card {
        width: 160px;
        height: 160px;
    }

    .clock-time {
        font-size: 2.8rem;
    }
}