:root{
    --vd-primary:#081a54;
    --vd-primary-dark:#030d2f;
    --vd-secondary:#ff4b67;
    --vd-blue:#6673ff;
    --vd-light:#f7f8fc;
    --vd-white:#ffffff;
    --vd-text:#0d1635;
    --vd-muted:#7a829c;
    --vd-border:#edf0f7;
}

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

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

html{
    scroll-behavior:smooth;
}

body{
    background:var(--vd-light);
    color:var(--vd-text);
    font-family:'Inter',sans-serif;
    overflow-x:hidden;
    line-height:1.6;
}

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

a{
    text-decoration:none;
}

ul{
    list-style:none;
}

.vd-container{
    width:92%;
    max-width:1400px;
    margin:auto;
}

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

.vd-header{
    background:linear-gradient(135deg,#04123b,#081a54 55%,#0b1244);
    padding:20px 0;
    position:sticky;
    top:0;
    z-index:999;
}

.vd-header-inner{
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:30px;
}

.vd-logo a{
    color:#fff;
    font-size:30px;
    font-weight:800;
    display:flex;
    align-items:center;
    gap:10px;
}

.vd-logo span{
    color:var(--vd-secondary);
}

.vd-menu{
    display:flex;
    gap:30px;
    align-items:center;
}

.vd-menu li a{
    color:#dce4ff;
    font-size:15px;
    font-weight:500;
    transition:0.3s;
}

.vd-menu li a:hover{
    color:#fff;
}

.vd-btn{
    background:var(--vd-secondary);
    color:#fff;
    padding:14px 26px;
    border-radius:16px;
    display:inline-block;
    font-weight:700;
    transition:0.3s;
}

.vd-btn:hover{
    transform:translateY(-2px);
}

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

.vd-hero{
    padding:120px 0;
    background:
    radial-gradient(circle at top right, rgba(76,110,245,0.15), transparent 30%),
    linear-gradient(135deg,#04123b,#081a54 55%,#0b1244);
}

.vd-hero-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:60px;
    align-items:center;
}

.vd-hero h1{
    color:#fff;
    font-size:72px;
    line-height:1.1;
    margin-bottom:24px;
    font-weight:800;
}

.vd-hero p{
    color:#c8d5ff;
    font-size:20px;
    margin-bottom:40px;
    line-height:1.8;
}

.vd-search-box{
    display:flex;
    align-items:center;
    background:#fff;
    padding:14px;
    border-radius:24px;
    gap:12px;
    box-shadow:0 20px 50px rgba(0,0,0,0.15);
}

.vd-search-box input{
    flex:1;
    border:none;
    outline:none;
    font-size:16px;
    padding:0 18px;
}

.vd-search-box button{
    background:var(--vd-secondary);
    color:#fff;
    border:none;
    padding:16px 30px;
    border-radius:16px;
    cursor:pointer;
    font-weight:700;
}

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

.vd-section{
    padding:100px 0;
}

.vd-section-top{
    display:flex;
    justify-content:space-between;
    align-items:center;
    margin-bottom:50px;
}

.vd-section-subtitle{
    display:inline-block;
    color:var(--vd-secondary);
    font-size:14px;
    letter-spacing:1px;
    margin-bottom:12px;
    font-weight:700;
}

.vd-section-title{
    font-size:52px;
    line-height:1.1;
    margin-bottom:14px;
}

.vd-section-description{
    color:var(--vd-muted);
}

.vd-outline-btn{
    border:1px solid #dce2f0;
    padding:14px 24px;
    border-radius:16px;
    color:var(--vd-text);
    font-weight:700;
}

/* ================= FEATURE CARDS ================= */

.vd-feature-cards{
    margin-top:-80px;
    position:relative;
    z-index:5;
}

.vd-feature-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:30px;
}

.vd-ai-card,
.vd-dashboard-card{
    padding:40px;
    border-radius:32px;
    color:#fff;
    position:relative;
    overflow:hidden;
}

.vd-ai-card{
    background:linear-gradient(135deg,#0f8b7b,#0d4267);
}

.vd-dashboard-card{
    background:linear-gradient(135deg,#3949c6,#171d63);
}

.vd-card-tag{
    display:inline-block;
    padding:10px 16px;
    border-radius:40px;
    background:rgba(255,255,255,0.12);
    margin-bottom:24px;
    font-size:13px;
    letter-spacing:1px;
}

.vd-ai-card h2,
.vd-dashboard-card h2{
    font-size:42px;
    line-height:1.2;
    margin-bottom:18px;
}

.vd-ai-card p,
.vd-dashboard-card p{
    color:#dce7ff;
    line-height:1.8;
}

.vd-ai-form{
    background:#fff;
    padding:18px;
    border-radius:24px;
    margin-top:32px;
}

.vd-ai-form input{
    width:100%;
    height:56px;
    border:1px solid #e4e8f2;
    border-radius:16px;
    padding:0 18px;
    margin-bottom:14px;
}

.vd-ai-form button{
    width:100%;
    height:56px;
    border:none;
    border-radius:16px;
    background:#2cc985;
    color:#fff;
    font-weight:700;
}

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

.vd-dashboard-list{
    display:flex;
    flex-direction:column;
    gap:18px;
    margin-top:32px;
}

.vd-dashboard-item{
    display:flex;
    gap:18px;
    background:rgba(255,255,255,0.08);
    border:1px solid rgba(255,255,255,0.12);
    padding:18px;
    border-radius:20px;
}

.vd-dashboard-icon{
    width:54px;
    height:54px;
    min-width:54px;
    border-radius:16px;
    background:#fff;
    color:#2430a5;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:24px;
}

.vd-dashboard-item h4{
    color:#fff;
    margin-bottom:6px;
    font-size:18px;
}

/* ================= SPECIALITY ================= */

.vd-speciality-grid{
    display:grid;
    grid-template-columns:repeat(5,1fr);
    gap:24px;
}

.vd-speciality-card{
    background:#fff;
    border-radius:28px;
    padding:34px 24px;
    text-align:center;
    border:1px solid #edf0f7;
    transition:0.3s;
}

.vd-speciality-card:hover{
    transform:translateY(-8px);
    box-shadow:0 20px 50px rgba(0,0,0,0.08);
}

.vd-speciality-icon{
    width:82px;
    height:82px;
    border-radius:24px;
    background:#fff1f3;
    margin:auto;
    margin-bottom:22px;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:34px;
}

.vd-speciality-card h4{
    font-size:22px;
    margin-bottom:10px;
}

.vd-speciality-card p{
    color:var(--vd-muted);
    margin-bottom:14px;
}

.vd-speciality-card a{
    color:var(--vd-secondary);
    font-weight:700;
}

/* ================= DOCTOR GRID ================= */

.vd-doctor-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:24px;
}

.vd-doctor-card{
    background:#fff;
    border-radius:28px;
    overflow:hidden;
    border:1px solid #edf0f7;
    transition:0.3s;
}

.vd-doctor-card:hover{
    transform:translateY(-8px);
    box-shadow:0 20px 50px rgba(0,0,0,0.08);
}

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

.vd-doctor-content{
    padding:24px;
}

.vd-doctor-content h3{
    margin-bottom:10px;
    font-size:24px;
}

.vd-doctor-content p{
    color:var(--vd-muted);
}

.vd-doctor-exp{
    margin:16px 0;
    color:var(--vd-blue);
    font-weight:700;
}

/* ================= BLOG ================= */

.vd-blog-section{
    padding:100px 0;
    background:
    radial-gradient(circle at top right, rgba(76,110,245,0.15), transparent 30%),
    linear-gradient(135deg,#04123b,#081a54 55%,#0b1244);
}

.vd-white{
    color:#fff;
}

.vd-outline-light{
    color:#fff;
    border-color:rgba(255,255,255,0.15);
}

.vd-blog-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
}

.vd-blog-card{
    background:rgba(255,255,255,0.05);
    border:1px solid rgba(255,255,255,0.08);
    border-radius:28px;
    overflow:hidden;
}

.vd-blog-card img{
    width:100%;
    height:240px;
    object-fit:cover;
}

.vd-blog-content{
    padding:24px;
}

.vd-blog-content h4{
    color:#fff;
    font-size:26px;
    line-height:1.4;
    margin-bottom:14px;
}

.vd-blog-content p{
    color:#bfc8ef;
    margin-bottom:18px;
}

.vd-blog-content a{
    color:#fff;
    font-weight:700;
}

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

.vd-footer{
    background:#030d2f;
    color:#fff;
    padding:80px 0 30px;
}

.vd-footer-grid{
    display:grid;
    grid-template-columns:1fr 1fr 1fr;
    gap:40px;
}

.vd-footer h3,
.vd-footer h4{
    margin-bottom:20px;
}

.vd-footer p{
    color:#c7d4ff;
    line-height:1.8;
}

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

.vd-footer ul li a{
    color:#c7d4ff;
}

.vd-footer-bottom{
    margin-top:60px;
    padding-top:24px;
    border-top:1px solid rgba(255,255,255,0.1);
}

/* ================= DOCTOR PROFILE ================= */

.vd-single-doctor{
    padding:100px 0;
}

.vd-single-grid{
    display:grid;
    grid-template-columns:420px 1fr;
    gap:60px;
}

.vd-single-left img{
    width:100%;
    border-radius:28px;
}

.vd-single-right h1{
    font-size:52px;
    margin-bottom:20px;
}

.vd-doctor-meta{
    display:flex;
    gap:20px;
    flex-wrap:wrap;
    margin-bottom:24px;
}

.vd-doctor-meta span{
    background:#eef2ff;
    padding:12px 18px;
    border-radius:14px;
}

.vd-doctor-fee,
.vd-doctor-hospital{
    margin-bottom:16px;
    font-size:18px;
}

.vd-doctor-about{
    margin:40px 0;
}

.vd-doctor-about h3{
    margin-bottom:16px;
    font-size:30px;
}

/* ================= FILTER ================= */

.vd-filter-form{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:20px;
    margin-bottom:50px;
}

.vd-filter-form select,
.vd-filter-form button{
    height:58px;
    border-radius:16px;
    border:1px solid #e4e8f2;
    padding:0 18px;
}

.vd-filter-form button{
    background:var(--vd-secondary);
    color:#fff;
    border:none;
    font-weight:700;
}

/* ================= SPECIALITY PAGE ================= */

.vd-speciality-hero{
    padding:120px 0 100px;
    background:linear-gradient(135deg,#04123b,#081a54 55%,#0b1244);
}

.vd-speciality-hero-content{
    max-width:800px;
}

.vd-page-tag{
    display:inline-block;
    background:rgba(255,255,255,0.12);
    color:#fff;
    padding:10px 18px;
    border-radius:40px;
    margin-bottom:24px;
    font-size:13px;
    letter-spacing:1px;
}

.vd-speciality-hero h1{
    color:#fff;
    font-size:68px;
    line-height:1.1;
    margin-bottom:24px;
}

.vd-speciality-hero p{
    color:#c8d5ff;
    font-size:20px;
    line-height:1.8;
}

.vd-speciality-listing{
    padding:100px 0;
}

/* ================= CITY PAGE ================= */

.vd-city-hero{
    padding:120px 0 100px;
    background:linear-gradient(135deg,#04123b,#081a54 55%,#0b1244);
}

.vd-city-hero-content{
    max-width:850px;
}

.vd-city-hero h1{
    color:#fff;
    font-size:68px;
    line-height:1.1;
    margin-bottom:24px;
}

.vd-city-hero p{
    color:#c8d5ff;
    font-size:20px;
    line-height:1.8;
}

.vd-city-listing{
    padding:100px 0;
}

.vd-city-name{
    margin:14px 0;
    color:#7a829c;
}

/* ================= HOSPITAL PAGE ================= */

.vd-hospital-hero{
    padding:100px 0;
}

.vd-hospital-hero-grid{
    display:grid;
    grid-template-columns:500px 1fr;
    gap:60px;
    align-items:center;
}

.vd-hospital-image img{
    width:100%;
    border-radius:30px;
}

.vd-hospital-content h1{
    font-size:64px;
    line-height:1.1;
    margin:24px 0;
}

.vd-hospital-meta{
    display:flex;
    flex-wrap:wrap;
    gap:18px;
    margin-bottom:28px;
}

.vd-hospital-meta div{
    background:#eef2ff;
    padding:12px 18px;
    border-radius:14px;
    font-weight:600;
}

.vd-hospital-description{
    margin-bottom:36px;
    line-height:1.9;
    color:#5d647d;
}

.vd-hospital-doctors{
    padding:100px 0;
    background:#fff;
}

/* ================= AJAX ================= */

.vd-loading{
    grid-column:1/-1;
    text-align:center;
    padding:80px 20px;
    font-size:24px;
    font-weight:700;
}

/* ================= RESPONSIVE ================= */

@media(max-width:1200px){

    .vd-speciality-grid{
        grid-template-columns:repeat(3,1fr);
    }

    .vd-doctor-grid,
    .vd-blog-grid{
        grid-template-columns:1fr 1fr;
    }
}

@media(max-width:992px){

    .vd-hero-grid,
    .vd-feature-grid,
    .vd-single-grid,
    .vd-hospital-hero-grid{
        grid-template-columns:1fr;
    }

    .vd-section-title,
    .vd-hero h1{
        font-size:48px;
    }

    .vd-filter-form{
        grid-template-columns:1fr 1fr;
    }
}

@media(max-width:768px){

    .vd-header-inner{
        flex-direction:column;
        gap:20px;
    }

    .vd-menu{
        flex-wrap:wrap;
        justify-content:center;
    }

    .vd-speciality-grid,
    .vd-doctor-grid,
    .vd-blog-grid,
    .vd-footer-grid,
    .vd-filter-form{
        grid-template-columns:1fr;
    }

    .vd-hero h1,
    .vd-speciality-hero h1,
    .vd-city-hero h1,
    .vd-hospital-content h1{
        font-size:42px;
    }

    .vd-section-top{
        flex-direction:column;
        align-items:flex-start;
        gap:20px;
    }

    .vd-ai-card h2,
    .vd-dashboard-card h2{
        font-size:34px;
    }
}