@import url('https://fonts.googleapis.com/css2?family=Hind+Siliguri:wght@400;500;600;700&family=Inter:wght@400;500;600;700&display=swap');

/* =========================
   RESET
========================= */

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

    font-family:
    'Hind Siliguri',
    'Inter',
    sans-serif;
}

html{
    scroll-behavior:smooth;
}

body{
    background:#f1f5f9;
    color:#111827;

    font-size:17px;
    line-height:1.8;
}

/* =========================
   TYPOGRAPHY
========================= */

h1,
h2,
h3,
h4,
h5,
h6{
    font-weight:700;
    line-height:1.3;
}

a{
    text-decoration:none;
}

img{
    max-width:100%;
    display:block;
}

/* =========================
   MODERN HEADER
========================= */

.main-header{
    width:100%;
    background:#ffffff;
}

/* Sticky Logo Only */

.logo-sticky{
    position:sticky;
    top:0;
    z-index:99999;

    background:#ffffff;

    box-shadow:0 3px 15px rgba(0,0,0,0.06);
}

/* Container */

.header-container{
    max-width:1280px;

    margin:auto;

    padding:12px 20px;

    display:flex;

    justify-content:center;

    align-items:center;
}

/* =========================
   LOGO
========================= */

.logo-area{
    display:flex;

    align-items:center;

    gap:12px;

    text-decoration:none;
}

.site-logo{
    width:58px;
    height:58px;

    object-fit:contain;
}

.logo-text h2{
    margin:0;

    font-size:28px;

    color:#111827;

    line-height:1.1;
}

.logo-text span{
    font-size:13px;

    color:#6b7280;
}

/* =========================
   MENU
========================= */

.main-nav{

    display:flex;

    justify-content:center;

    align-items:center;

    flex-wrap:wrap;

    gap:12px;

    padding:16px 20px;

    background:#ffffff;

    transition:
    max-height 0.35s ease,
    opacity 0.3s ease;
}

.main-nav a{

    display:flex;

    justify-content:center;

    align-items:center;

    min-width:100px;

    padding:12px 18px;

    border-radius:14px;

    background:#f8fafc;

    color:#111827;

    font-size:15px;

    font-weight:700;

    box-shadow:
    0 2px 5px rgba(0,0,0,0.04);

    transition:0.3s ease;
}

/* Hover */

.main-nav a:hover{

    background:#2563eb;

    color:#ffffff;

    transform:translateY(-3px);

    box-shadow:
    0 10px 20px rgba(37,99,235,0.25);
}

/* Click */

.main-nav a:active{
    transform:scale(0.96);
}

/* =========================
   SPECIAL BUTTONS
========================= */

.cart-btn{
    background:#7c3aed !important;
    color:#fff !important;
}

.cart-btn:hover{
    background:#6d28d9 !important;
}

.login-btn{
    background:#2563eb !important;
    color:#fff !important;
}

.login-btn:hover{
    background:#1d4ed8 !important;
}

.register-btn{
    background:#111827 !important;
    color:#fff !important;
}

.register-btn:hover{
    background:#000 !important;
}

.dashboard-btn{
    background:#059669 !important;
    color:#fff !important;
}

.dashboard-btn:hover{
    background:#047857 !important;
}

.logout-btn{
    background:#dc2626 !important;
    color:#fff !important;
}

.logout-btn:hover{
    background:#b91c1c !important;
}

/* =========================
   HERO SECTION
========================= */

.hero{
    display:grid;

    grid-template-columns:1fr 1fr;

    gap:50px;

    align-items:center;

    padding:80px 40px;
}

.hero h1{
    font-size:56px;
    margin-bottom:20px;
}

.hero p{
    color:#555;
    margin-bottom:30px;
}

/* =========================
   BUTTONS
========================= */

.btn{
    display:inline-block;

    padding:14px 26px;

    border-radius:12px;

    background:#111827;

    color:white;

    transition:0.3s;

    margin-right:10px;
}

.btn:hover{
    background:#2563eb;
}

/* =========================
   HERO BOX
========================= */

.hero-box{
    background:white;

    padding:30px;

    border-radius:20px;

    box-shadow:0 5px 20px rgba(0,0,0,0.05);
}

/* =========================
   STATS
========================= */

.stat{
    margin-bottom:20px;
}

.progress{
    width:100%;

    height:10px;

    background:#e5e7eb;

    border-radius:999px;

    
}

.fill{
    height:100%;
    background:#111827;
}

/* =========================
   SERVICES
========================= */

.services{
    padding:60px 40px;
}

.services h2{
    text-align:center;

    font-size:40px;

    margin-bottom:40px;
}

.service-grid{
    display:grid;

    grid-template-columns:repeat(4,1fr);

    gap:20px;
}

.card{
    background:white;

    padding:25px;

    border-radius:18px;

    box-shadow:0 3px 10px rgba(0,0,0,0.05);

    transition:0.3s;
}

.card:hover{
    transform:translateY(-5px);
}

.card h3{
    margin-bottom:14px;
}

/* =========================
   PRODUCT IMAGE
========================= */

.product-card{
    overflow:hidden;
}

.product-card img{
    width:100%;
    height:260px;
    object-fit:cover;

    border-radius:18px 18px 0 0;

    transition:0.4s;
}

.product-card:hover img{
    transform:scale(1.05);
}

/* =========================
   DASHBOARD
========================= */

.dashboard{
    padding:40px;
}

.dashboard-title{
    margin-bottom:30px;
}

.dashboard-grid{
    display:grid;

    grid-template-columns:repeat(4,1fr);

    gap:20px;
}

.dashboard-card{
    background:white;

    padding:25px;

    border-radius:18px;

    box-shadow:0 3px 10px rgba(0,0,0,0.05);
}

.dashboard-card h2{
    margin-top:10px;
    font-size:32px;
}

/* =========================
   TABLE
========================= */

.table-wrapper{
    overflow-x:auto;
}

table{
    width:100%;

    border-collapse:collapse;

    background:white;

    margin-top:20px;
}

table th,
table td{
    padding:14px;

    border:1px solid #ddd;

    text-align:left;
}

table th{
    background:#111827;
    color:white;
}

/* =========================
   FORM
========================= */

form{
    background:white;

    padding:25px;

    border-radius:18px;

    margin-top:20px;
}

input,
textarea,
select{
    width:100%;

    padding:14px;

    border:1px solid #d1d5db;

    border-radius:10px;

    margin-bottom:18px;

    outline:none;
}

textarea{
    min-height:140px;
    resize:vertical;
}

button{
    background:#111827;

    color:white;

    border:none;

    padding:14px 22px;

    border-radius:10px;

    cursor:pointer;

    transition:0.3s;
}

button:hover{
    background:#2563eb;
}

/* =========================
   LOGIN / REGISTER
========================= */

.auth-box{
    width:100%;

    max-width:420px;

    margin:80px auto;

    background:white;

    padding:35px;

    border-radius:20px;

    box-shadow:0 5px 20px rgba(0,0,0,0.05);
}

.auth-box h2{
    margin-bottom:20px;
    text-align:center;
}

/* =========================
   FOOTER
========================= */

.footer{
    background:#111827;

    color:white;

    margin-top:60px;
}

.footer-grid{
    display:grid;

    grid-template-columns:repeat(3,1fr);

    gap:40px;

    padding:60px 40px;
}

.footer-logo{
    font-size:32px;

    margin-bottom:15px;
}

.footer-text{
    color:#d1d5db;

    line-height:1.8;
}

.footer-links{
    list-style:none;
}

.footer-links li{
    margin-bottom:12px;
}

.footer-links a{
    color:#d1d5db;
}

.footer-links a:hover{
    color:white;
}

.footer-bottom{
    border-top:1px solid rgba(255,255,255,0.1);

    padding:20px;

    text-align:center;

    color:#d1d5db;
}

/* =========================
   TABLET
========================= */

@media(max-width:992px){

    .hero{
        grid-template-columns:1fr;
    }

    .service-grid{
        grid-template-columns:1fr 1fr;
    }

    .dashboard-grid{
        grid-template-columns:1fr 1fr;
    }

    .main-nav a{
        min-width:90px;
        font-size:14px;
    }
}

/* =========================
   MOBILE
========================= */

@media(max-width:768px){

    .header-container{
        padding:10px 14px;
    }

    .site-logo{
        width:48px;
        height:48px;
    }

    .logo-text h2{
        font-size:22px;
    }

    .logo-text span{
        font-size:11px;
    }

    .main-nav{

        width:100%;

        display:grid;

        grid-template-columns:repeat(3,1fr);

        gap:8px;

        padding:12px;

        overflow:hidden;

        max-height:500px;

        opacity:1;
    }

    .main-nav a{

        min-width:auto;

        font-size:12px;

        padding:10px 6px;

        border-radius:12px;
    }

    /* Hide Menu On Scroll */

    .main-header.menu-hidden .main-nav{

        max-height:0;

        opacity:0;

        overflow:hidden;

        padding:0;

        margin:0;

        pointer-events:none;
    }

    .hero,
    .services,
    .dashboard{
        padding:40px 20px;
    }

    .hero h1{
        font-size:38px;
    }

    .service-grid{
        grid-template-columns:1fr;
    }

    .dashboard-grid{
        grid-template-columns:1fr;
    }

    .footer-grid{
        grid-template-columns:1fr;
    }
}

/* =========================
   SMALL MOBILE
========================= */

@media(max-width:480px){

    .main-nav{
        grid-template-columns:repeat(2,1fr);
    }

    .logo-text h2{
        font-size:20px;
    }
}
```

.main-header{
    position:relative !important;
    background:#ffffff;
}

.logo-sticky{
    position:sticky !important;
    top:0 !important;
    z-index:99999 !important;
    background:#ffffff !important;
    box-shadow:0 3px 15px rgba(0,0,0,0.06);
}

.main-nav{
    position:relative !important;
}

/* =========================
   FIX STICKY LOGO
========================= */

body{
    overflow-x:hidden;
}

.main-header{
    width:100%;
    position:relative;
}

.logo-sticky{
    position:sticky;
    top:0;
    z-index:999999;

    width:100%;

    background:#ffffff;

    box-shadow:0 3px 15px rgba(0,0,0,0.06);
}

/* IMPORTANT */

.main-header,
.logo-sticky,
.header-container{
    overflow:visible !important;
}

/* =========================
   HOME VIDEO SECTION
========================= */

.home-video-section{
    padding:70px 20px;
    background:#ffffff;
}

.video-container{
    max-width:1200px;
    margin:auto;
}

.video-content{
    text-align:center;
    margin-bottom:30px;
}

.video-content h2{
    font-size:42px;
    color:#111827;
    margin-bottom:15px;
}

.video-content p{
    color:#6b7280;
    font-size:18px;
    line-height:1.8;
}

.youtube-video{
    position:relative;
    width:100%;
    padding-bottom:56.25%;
    height:0;
    overflow:hidden;

    border-radius:24px;

    box-shadow:
    0 15px 40px rgba(0,0,0,0.10);
}

.youtube-video iframe{
    position:absolute;
    top:0;
    left:0;

    width:100%;
    height:100%;

    border:none;
}

/* MOBILE */

@media(max-width:768px){

    .home-video-section{
        padding:45px 15px;
    }

    .video-content h2{
        font-size:30px;
    }

    .video-content p{
        font-size:16px;
    }

}

/* FIX SHAKE / FLICKER */

body{
    overflow-x:hidden;
}

/* Smooth Rendering */
*{
    -webkit-font-smoothing:antialiased;
    -moz-osx-font-smoothing:grayscale;
}