/* ---------------------------
   THEME VARIABLES
--------------------------- */
:root {
    --bg: #ffffff;
    --text: #111111;
    --card: #f4f4f4;
    --bubble-bg: #e9e9e9;
    --bubble-border: #cfcfcf;
    --primary-color: #4f46e5;
    --secondary-color: #3b82f6;
    --accent-color: #f59e0b;
    --shadow-color: rgba(0,0,0,0.1);
    --font-base: 'Inter', sans-serif;
}

[data-theme="dark"] {
    --bg: #0d0d0d;
    --text: #f0f0f0;
    --card: #1a1a1a;
    --bubble-bg: #1f1f1f;
    --bubble-border: #333333;
    --primary-color: #8b5cf6;
    --secondary-color: #6366f1;
    --accent-color: #facc15;
    --shadow-color: rgba(0,0,0,0.5);
}

/* ---------------------------
   GLOBAL STYLES
--------------------------- */
* { box-sizing:border-box; margin:0; padding:0; }
html, body { font-family: var(--font-base); background: var(--bg); color: var(--text); scroll-behavior: smooth; }
a { text-decoration:none; color:inherit; }
button { font-family: inherit; cursor:pointer; outline:none; }

/* ---------------------------
   NAVBAR
--------------------------- */
.navbar {
    display:flex; justify-content:space-between; align-items:center;
    padding:20px 60px; position:sticky; top:0; background-color: var(--bg);
    border-bottom:1px solid var(--bubble-border); z-index:1000;
    box-shadow: 0 5px 20px var(--shadow-color);
}
.nav-left { font-size:1.8rem; font-weight:700; }
.nav-right select {
    padding:8px 12px; border-radius:12px; border:1px solid var(--bubble-border);
    background-color: var(--bubble-bg); color: var(--text); cursor:pointer; transition: 0.3s;
}
.nav-right select:hover { border-color: var(--primary-color); }

/* ---------------------------
   SLIDING MENU
--------------------------- */
.nav-center {
    display:flex; flex-direction:column; position:fixed; top:-100%; left:0;
    width:100%; background-color: var(--bg); padding:30px 20px;
    border-bottom:1px solid var(--bubble-border); z-index:999;
    transition: top 0.4s ease; box-shadow:0 10px 25px var(--shadow-color);
}
.nav-center.show { top:0; }
.nav-center a { margin:15px 0; font-size:1.2rem; transition:color 0.3s; }
.nav-center a:hover { color: var(--primary-color); }
.menu-close {
    background:none; border:none; font-size:2rem; font-weight:bold; color: var(--text);
    cursor:pointer; position:absolute; bottom:2px; right:20px;
    transition: 0.5s;
}

.menu-close:hover {
    transform: rotate(90deg);
}
.menu-header { position:relative; padding-bottom:15px; font-weight:600; font-size:1.2rem;
    border-bottom:1px solid var(--bubble-border); margin-bottom:15px;
}
.nav-toggle { display:none; font-size:1.8rem; cursor:pointer; }

/* ---------------------------
   HERO SECTION
--------------------------- */
.hero {
    text-align:center; padding:140px 20px 100px 20px;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    color:#fff; border-radius:24px; margin:20px 40px;
    box-shadow:0 10px 30px var(--shadow-color); position:relative; overflow:hidden;
}
.hero h1 { font-size:3.5rem; margin-bottom:20px; }
.hero p { font-size:1.3rem; margin-bottom:30px; max-width:700px; margin-left:auto; margin-right:auto; line-height:1.8; }
.bubble-btn {
    padding:16px 32px; border-radius:25px; background-color: var(--bubble-bg);
    border:1px solid var(--bubble-border); font-size:1.1rem; font-weight:500;
    transition: all 0.3s ease; box-shadow:0 5px 15px var(--shadow-color); color: var(--text);
}
.bubble-btn:hover {
    transform:translateY(-3px); background-color: var(--accent-color);
    color:#fff; border-color: var(--accent-color);
}

/* ---------------------------
   GAMES GRID
--------------------------- */
.games-grid { padding:100px 60px; text-align:center; }
.games-grid h2 { font-size:2.8rem; margin-bottom:50px; }
.grid {
    display:grid; grid-template-columns:repeat(auto-fit, minmax(260px,1fr));
    gap:40px;
}
.game-card {
    background-color: var(--card); border-radius:24px; padding:35px; text-align:left;
    border:1px solid var(--bubble-border); transition: transform 0.4s, box-shadow 0.4s;
    box-shadow:0 5px 20px var(--shadow-color);
}
.game-card:hover { transform:translateY(-8px); box-shadow:0 15px 35px var(--shadow-color); }
.game-card h3 { font-size:1.6rem; margin-bottom:15px; }
.game-card p { font-size:1.05rem; line-height:1.7; }

/* ---------------------------
   ABOUT PREVIEW
--------------------------- */
.about-preview {
    padding:100px 60px; text-align:center; background-color: var(--bubble-bg);
    border-radius:24px; margin:40px; box-shadow:0 8px 30px var(--shadow-color);
}
.about-preview h2 { font-size:2.4rem; margin-bottom:30px; }
.about-preview p { font-size:1.15rem; line-height:1.9; max-width:800px; margin-left:auto; margin-right:auto; }

/* ---------------------------
   TEAM FLIP CARDS
--------------------------- */
.team-grid {
    display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
    gap:30px; padding:100px 60px;
}
.team-card { perspective:1000px; }
.team-card-inner {
    position:relative; width:100%; height:300px; text-align:center;
    transition: transform 0.8s; transform-style: preserve-3d;
}
.team-card:hover .team-card-inner { transform: rotateY(180deg); }
.team-card-front, .team-card-back {
    position:absolute; width:100%; height:100%; backface-visibility:hidden;
    border-radius:20px; display:flex; justify-content:center; align-items:center;
    flex-direction:column; padding:20px; box-shadow:0 5px 15px var(--shadow-color);
}
.team-card-front { background-color: var(--card); }
.team-card-back { background-color: var(--primary-color); color:#fff; transform:rotateY(180deg); }

/* ---------------------------
   FOOTER
--------------------------- */
footer { text-align:center; padding:50px 20px; border-top:1px solid var(--bubble-border); font-size:0.95rem; opacity:0.85; }

/* Desktop links container */
.nav-links {
    right: 1%;
    display: flex;
    gap: 60px; /* increase spacing between links */
    align-items: center;
    position: relative;
}

/* Links style */
.nav-links a {
    position: relative;
    font-weight: 500;
    font-size: 1.1rem;
    color: var(--text);
    padding: 5px 0;
    transition: color 0.3s;
}

/* Underline effect */
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 3px;               /* thickness of underline */
    background-color: var(--primary-color);
    transition: width 0.3s ease;
    border-radius: 2px;
}

/* Animate underline on hover */
.nav-links a:hover::after {
    width: 100%;
}

/* Optional: change text color on hover */
.nav-links a:hover {
    color: var(--primary-color);
}


/* Small screens (menu slides down) */
@media (max-width: 900px) {
    .nav-links { display: none; }       /* hide desktop links */
}

/* Team cards max width */
.team-card {
    max-width: 400px;       /* each card will not exceed 400px */
    margin-left: auto;
    margin-right: auto;     /* center each card */
    width: 100%;            /* take full available width up to max */
}

.team-section h2 {
    text-align: center;   /* center the heading */
    margin-bottom: 30px;  /* add space below the heading */
    font-size: 2rem;
}


/* ---------------------------
   RESPONSIVE
--------------------------- */
@media(max-width:1024px){ .navbar{padding:20px 40px;} .hero{padding:120px 20px 80px 20px;} }
@media(max-width:900px){ .nav-toggle{display:block;} }
@media(max-width:768px){ .hero h1{font-size:2.8rem;} .games-grid{padding:80px 20px;} }
@media(max-width:480px){ .hero h1{font-size:2.2rem;} .bubble-btn{padding:14px 28px; font-size:1rem;} .games-grid h2{font-size:2rem;} }
@media(max-width:400px){ .hero h1{font-size:2rem;} .hero p{font-size:0.95rem;} }