/* =========================
   GOOGLE FONTS
========================= */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

/* =========================
   ROOT COLORS & VARIABLES
========================= */
:root{
    --bg-main:#0a0d12;
    --bg-card:#12161d;
    --bg-card-hover:#181d26;
    --primary:#5c9eff;
    --primary-dark:#3a78e0;
    --secondary:#00e0b8;
    --text-main:#f0f4f8;
    --text-muted:#a8b2c2;
    --danger:#ff6b6b;
    --success:#4dffb8;
    --border:#252c38;
    --glass-bg: rgba(18, 22, 29, 0.65);
    --glass-border: rgba(255, 255, 255, 0.08);
    --shadow-sm: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-md: 0 12px 32px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 20px rgba(92,158,255,0.3);
}

/* =========================
   GLOBAL RESET
========================= */
*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:'Poppins',sans-serif;
}

html{
    scroll-behavior:smooth;
}

body{
    background:var(--bg-main);
    color:var(--text-main);
    line-height:1.6;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(92,158,255,0.15) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(0,224,184,0.15) 0%, transparent 20%);
}

/* =========================
   SCROLLBAR (PREMIUM)
========================= */
::-webkit-scrollbar{
    width:10px;
}
::-webkit-scrollbar-track{
    background:#0b0e14;
    border-radius:10px;
}
::-webkit-scrollbar-thumb{
    background:linear-gradient(180deg,var(--primary),var(--secondary));
    border-radius:10px;
    border:2px solid var(--bg-main);
}
::-webkit-scrollbar-thumb:hover{
    background:linear-gradient(180deg,var(--primary-dark),var(--secondary));
    box-shadow: var(--shadow-glow);
}

/* For Firefox */
html{
    scrollbar-color: var(--primary) #0b0e14;
    scrollbar-width: thin;
}

/* =========================
   NAVBAR (GLASSMORPHISM)
========================= */
.navbar{
    position:sticky;
    top:0;
    z-index:999;
    padding:18px 40px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    background:var(--glass-bg);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border-bottom:1px solid var(--glass-border);
    box-shadow: var(--shadow-sm);
}

.logo{
    font-size:24px;
    font-weight:700;
    background:linear-gradient(135deg,var(--primary),var(--secondary));
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
    background-clip:text;
}

.nav-links a{
    margin-left:30px;
    text-decoration:none;
    color:var(--text-main);
    font-weight:500;
    position:relative;
    transition:0.4s ease;
}

.nav-links a::after{
    content:'';
    position:absolute;
    bottom:-6px;
    left:0;
    width:0;
    height:2px;
    background:linear-gradient(90deg,var(--primary),var(--secondary));
    transition:width 0.4s ease;
}

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

.nav-links a:hover::after{
    width:100%;
}

/* =========================
   HERO SECTION
========================= */
.hero{
    padding:120px 20px;
    text-align:center;
    background:
        radial-gradient(circle at top,var(--primary),transparent 50%),
        var(--bg-main);
    position:relative;
    overflow:hidden;
}

.hero::before{
    content:'';
    position:absolute;
    inset:0;
    background:radial-gradient(circle at center, rgba(92,158,255,0.1), transparent 70%);
    pointer-events:none;
}

.hero h1{
    font-size:48px;
    margin-bottom:20px;
    animation:fadeUp 1s ease;
}

.hero span{
    background:linear-gradient(135deg,var(--primary),var(--secondary));
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
    background-clip:text;
}

.hero p{
    max-width:700px;
    margin:auto;
    color:var(--text-muted);
    font-size:18px;
    animation:fadeUp 1.2s ease;
}

/* =========================
   BUTTONS (PREMIUM GRADIENT + GLOW)
========================= */
.btn{
    display:inline-block;
    margin-top:30px;
    padding:14px 32px;
    border-radius:50px;
    background:linear-gradient(135deg,var(--primary),var(--secondary));
    color:#000;
    text-decoration:none;
    font-weight:600;
    transition:all 0.4s ease;
    box-shadow:0 8px 20px rgba(92,158,255,0.3);
    position:relative;
    overflow:hidden;
}

.btn::before{
    content:'';
    position:absolute;
    inset:0;
    background:linear-gradient(135deg,transparent,var(--secondary),transparent);
    transform:translateX(-100%);
    transition:transform 0.6s;
}

.btn:hover{
    transform:translateY(-5px);
    box-shadow:0 15px 35px rgba(92,158,255,0.45), var(--shadow-glow);
}

.btn:hover::before{
    transform:translateX(100%);
}

/* =========================
   SECTIONS
========================= */
.section{
    padding:90px 40px;
}

.section-title{
    text-align:center;
    font-size:36px;
    margin-bottom:50px;
    position:relative;
}

.section-title span{
    background:linear-gradient(135deg,var(--primary),var(--secondary));
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
    background-clip:text;
}

/* =========================
   CARDS (GLASSMORPHISM + PREMIUM HOVER)
========================= */
.grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
    gap:30px;
}

.card{
    background:var(--glass-bg);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    border-radius:20px;
    padding:30px;
    transition:all 0.5s cubic-bezier(0.25,0.8,0.25,1);
    border:1px solid var(--glass-border);
    box-shadow:var(--shadow-sm);
    position:relative;
    overflow:hidden;
}

.card::before{
    content:'';
    position:absolute;
    inset:0;
    background:linear-gradient(135deg, rgba(92,158,255,0.05), rgba(0,224,184,0.05));
    opacity:0;
    transition:opacity 0.5s;
}

.card:hover{
    transform:translateY(-12px) scale(1.04);
    box-shadow:var(--shadow-md), var(--shadow-glow);
    background:var(--bg-card-hover);
    border-color:var(--primary);
}

.card:hover::before{
    opacity:1;
}

.card h3{
    margin-bottom:15px;
    font-size:20px;
}

.card p{
    color:var(--text-muted);
    font-size:15px;
}

.card a{
    display:inline-block;
    margin-top:20px;
    color:var(--secondary);
    text-decoration:none;
    font-weight:600;
    position:relative;
    transition:0.3s;
}

.card a::after{
    content:'→';
    margin-left:8px;
    transition:transform 0.3s;
}

.card a:hover{
    color:var(--primary);
}

.card a:hover::after{
    transform:translateX(6px);
}

/* =========================
   PDF / DOWNLOAD BOX (GLASS)
========================= */
.download-box{
    background:var(--glass-bg);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    border-radius:18px;
    padding:24px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    margin-top:25px;
    border:1px solid var(--glass-border);
    transition:0.4s;
}

.download-box:hover{
    box-shadow:var(--shadow-md);
    transform:translateY(-4px);
}

.download-box span{
    color:var(--text-muted);
}

.download-box a{
    padding:10px 22px;
    background:linear-gradient(135deg,var(--primary),var(--secondary));
    border-radius:30px;
    color:#000;
    text-decoration:none;
    font-weight:600;
    transition:0.3s;
}

.download-box a:hover{
    box-shadow:0 8px 20px rgba(92,158,255,0.4);
}

/* =========================
   TABLE (MODERN DARK)
========================= */
table{
    width:100%;
    border-collapse:separate;
    border-spacing:0;
    background:var(--bg-card);
    border-radius:18px;
    overflow:hidden;
    box-shadow:var(--shadow-sm);
}

th,td{
    padding:16px;
    text-align:center;
    border-bottom:1px solid var(--border);
}

th{
    background:linear-gradient(135deg,#1a2028,#141a23);
    font-weight:600;
}

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

tr:hover{
    background:rgba(92,158,255,0.08);
}

/* =========================
   FOOTER
========================= */
.footer{
    text-align:center;
    padding:30px;
    border-top:1px solid var(--border);
    color:var(--text-muted);
    font-size:15px;
}

/* =========================
   ANIMATIONS
========================= */
@keyframes fadeUp{
    from{
        opacity:0;
        transform:translateY(40px);
    }
    to{
        opacity:1;
        transform:translateY(0);
    }
}

.fade-up{
    animation:fadeUp 1s ease forwards;
}

/* =========================
   RESPONSIVE
========================= */
@media(max-width:768px){
    .navbar{
        padding:16px 20px;
        flex-direction:column;
        gap:15px;
    }
    .nav-links a{
        margin:0 15px;
    }
    .hero h1{
        font-size:36px;
    }
    .hero p{
        font-size:16px;
    }
    .section{
        padding:70px 20px;
    }
    .grid{
        grid-template-columns:1fr;
    }
}