:root {
    --green:#15803D;
    --blue:#2563EB;
    --dark:#020617;
    --light:#ECFDF5;
    --cell-size:40px;
}

html {
    scroll-behavior:smooth;
}

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

body {
    font-family:'Inter',sans-serif;
    background:#020617;
    color:white;
    overflow-x:hidden;
}

nav {
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:20px 60px;
    position:fixed;
    width:100%;
    background:rgba(0,0,0,0.4);
    backdrop-filter:blur(10px);
    z-index:100;
}

nav .logo {
    font-weight:700;
    font-size:22px;
    color:var(--light);
}

nav ul {
    display:flex;
    gap:30px;
    list-style:none;
}

nav li {
    cursor:pointer;
    opacity:0.8;
}

nav ul li a {
    text-decoration:none;
    color:white;
    opacity:0.8;
    font-weight:500;
    transition:0.3s;
}

nav ul li a:hover {
    opacity:1;
    color:#2563EB;
}

.hero {
    height:90vh;
    display:flex;
    flex-direction:column;
    justify-content:center;
    align-items:center;
    text-align:center;
    padding:40px;
    background:
    radial-gradient(circle at 20% 20%, rgba(37,99,235,0.4), transparent 40%),
    radial-gradient(circle at 80% 60%, rgba(21,128,61,0.4), transparent 40%);
}

.hero h1 {
    font-size:60px;
    max-width:900px;
}

.hero p {
    margin-top:20px;
    font-size:20px;
    opacity:0.8;
    max-width:700px;
}

.hero button {
    margin-top:30px;
    padding:15px 35px;
    border:none;
    border-radius:30px;
    font-size:18px;
    background:linear-gradient(90deg,var(--blue),var(--green));
    color:white;
    cursor:pointer;
    transition:0.3s;
}

.hero button:hover {
    transform:scale(1.1);
}

.section {
    padding:120px 80px;
}

.heatmap-box {
    background:rgba(255,255,255,0.03);
    border:1px solid rgba(255,255,255,0.1);
    border-radius:20px;
    padding:50px;
    backdrop-filter:blur(15px);
}

#calendar-nav {
    display:flex;
    justify-content:center;
    align-items:center;
    margin-bottom:20px;
    gap:10px;
}

.calendar-wrapper {
    display: flex;
    gap: 5px;
    align-items: flex-start;
    margin-top: 20px;
}

.y-axis {
    display: grid;
    grid-template-rows: repeat(7, 12px);
    gap: 3px;
    font-size: 12px;
    opacity: 0.6;
    margin-top: 15px; 
}

.x-axis-wrapper {
    display: flex;
    flex-direction: column;
}

.x-axis {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 3px;
    margin-bottom: 3px;
    font-size: 12px;
    justify-items: center;
    opacity: 0.6;
}

/* Fix: apply grid to both heatmaps */
#calendarTime,
#calendarVisits {
    display: grid;
    grid-template-columns: repeat(53, 12px);
    gap: 3px;
}

.day-cell {
    width: 12px;
    height: 12px;
    border-radius: 2px;
    cursor: default;
    position: relative;
}

.day-cell:hover::after {
    content: attr(data-count);
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.7);
    padding: 2px 5px;
    font-size: 12px;
    border-radius: 3px;
    white-space: nowrap;
    pointer-events: none;
    z-index: 10;
}

.stats {
    display:flex;
    gap:40px;
    margin-top:60px;
}

.stat {
    flex:1;
    background:linear-gradient(145deg,#0f172a,#020617);
    border-radius:20px;
    padding:40px;
    border:1px solid rgba(255,255,255,0.1);
}

.stat h2 {
    font-size:45px;
    background:linear-gradient(90deg,var(--blue),var(--green));
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
}

footer {
    padding:60px;
    text-align:center;
    opacity:0.6;
}