* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', sans-serif;
}

body {
    background: #f4f6fb;
    color: #333;
}

/* Layout */
.container {
    max-width: 1200px;
    margin: auto;
    padding: 20px;
}

/* Header */
.header {
    background: linear-gradient(135deg, #1a73e8, #0f4bd8);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-size: 26px;
    font-weight: bold;
    color: #fff;
}

.menu {
    list-style: none;
    display: flex;
}

.menu li {
    margin-left: 25px;
}

.menu a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: 0.3s;
}

.menu a:hover {
    color: #ffdd57;
}

.menu-toggle {
    display: none;
    font-size: 28px;
    color: #fff;
    cursor: pointer;
}

/* Hero */
.hero {
    background: linear-gradient(to right, #1a73e8, #6ea8ff);
    color: #fff;
    text-align: center;
    padding: 80px 20px;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 15px;
}

.hero p {
    font-size: 20px;
    margin-bottom: 25px;
}

.btn {
    background: #ffdd57;
    color: #000;
    padding: 12px 28px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: 0.3s;
}

.btn:hover {
    background: #ffd000;
}

/* Sections */
.section {
    padding: 60px 20px;
    text-align: center;
}

.section h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.section.dark {
    background: #1a73e8;
    color: #fff;
}

/* Cards */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.card {
    background: #fff;
    color: #333;
    padding: 30px;
    border-radius: 15px;
    font-size: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.card:hover {
    transform: translateY(-10px);
}

/* Footer */
.footer {
    background: #111;
    color: #bbb;
    text-align: center;
    padding: 20px;
}

.footer a {
    color: #1a73e8;
    text-decoration: none;
}

/* Mobile */
@media (max-width: 768px) {
    .menu {
        display: none;
        flex-direction: column;
        width: 100%;
        background: #1a73e8;
        position: absolute;
        top: 65px;
        left: 0;
    }

    .menu li {
        margin: 15px 0;
        text-align: center;
    }

    .menu-toggle {
        display: block;
    }

    .menu.active {
        display: flex;
    }

    .hero h1 {
        font-size: 34px;
    }
}

/* ===== Classy City Buttons ===== */
.city-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 22px;
    margin-top: 40px;
}

.city-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px 20px;
    border-radius: 14px;

    background: linear-gradient(
        135deg,
        rgba(255,255,255,0.85),
        rgba(245,248,255,0.85)
    );
    backdrop-filter: blur(6px);

    color: #1a2b4c;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.3px;
    text-decoration: none;

    border: 1px solid rgba(26,115,232,0.15);
    box-shadow:
        0 10px 25px rgba(0,0,0,0.08),
        inset 0 0 0 1px rgba(255,255,255,0.4);

    transition: all 0.35s ease;
    overflow: hidden;
}

/* subtle shine effect */
.city-btn::before {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        120deg,
        transparent,
        rgba(255,255,255,0.6),
        transparent
    );
    transform: rotate(25deg);
    transition: all 0.6s ease;
    opacity: 0;
}

.city-btn:hover::before {
    opacity: 1;
    transform: translateX(50%) rotate(25deg);
}

/* hover state */
.city-btn:hover {
    transform: translateY(-6px) scale(1.02);
    background: linear-gradient(
        135deg,
        #1a73e8,
        #4f9cff
    );
    color: #ffffff;
    border-color: rgba(26,115,232,0.4);
    box-shadow:
        0 18px 40px rgba(26,115,232,0.35);
}

/* active / tap */
.city-btn:active {
    transform: translateY(-2px) scale(0.99);
}

/* Dark section compatibility */
.section.dark .city-btn {
    background: rgba(255,255,255,0.95);
    color: #1a2b4c;
}
/* Country Sections */
.country-block {
    margin-top: 60px;
}

.country-block h3 {
    font-size: 26px;
    margin-bottom: 20px;
    color: #1a2b4c;
    text-align: left;
    padding-left: 5px;
}

/* Subtitle */
.section-subtitle {
    text-align: center;
    margin-top: 10px;
    color: #666;
    font-size: 18px;
}
.card {
    display: block;
    text-decoration: none;
    cursor: pointer;
}

.card:hover {
    box-shadow: 0 25px 60px rgba(0,0,0,0.25);
}