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

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

html{
    scroll-behavior:smooth;
}

body{
    font-family:'Poppins',sans-serif;
    background:#f8fafc;
    color:#1e293b;
    line-height:1.6;
}

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

a{
    text-decoration:none;
}

ul{
    list-style:none;
}

.container{
    width:90%;
    max-width:1300px;
    margin:auto;
}

/* ===========================
   NAVBAR
=========================== */

.navbar{

    position:fixed;
    top:0;
    left:0;

    width:100%;

    padding:20px 8%;

    display:flex;
    justify-content:space-between;
    align-items:center;

    background:rgba(0,0,0,.25);

    backdrop-filter:blur(15px);

    z-index:1000;
}

.logo{

    color:#fff;

    font-size:30px;

    font-weight:700;
}

.nav-links{

    display:flex;

    align-items:center;

    gap:28px;
}

.nav-links a{

    color:#fff;

    font-size:17px;

    transition:.3s;
}

.nav-links a:hover{

    color:#38bdf8;
}

.logout-btn{

    padding:11px 20px;

    border:none;

    border-radius:12px;

    background:#ef4444;

    color:#fff;

    cursor:pointer;

    transition:.3s;
}

.logout-btn:hover{

    background:#dc2626;
}

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

.hero{

    height:100vh;

    position:relative;

    display:flex;

    justify-content:center;   /* horizontal center */

    align-items:flex-start;   /* top ki taraf */

    text-align:center;

    background-size:cover;

    background-position:center;

    overflow:hidden;
}
.hero.adi{

    background-image:url("images/adi_kailash.jpg");
}
.hero.panchachuli{
    background-image:url("images/panchachuli.jpg");
}
.hero.kafni{
    background-image:url("images/kafni_glacier.jpg");
}
.hero.pindari{

    background-image:url("images/pindari_glacier.jpg");
}

.hero.darma{
    background-image:url("images/darma_valley.jpg");
}

.hero.sunderdhunga{
    background-image:url("images/sunderdhunga.jpg");
}

.hero.milam{
    background-image:url("images/milam_glacier.jpg");
}
.hero.kedarkantha{
    background-image:url("images/kedarkantha.jpg");
}
.hero.harkidun{
    background-image:url("images/har_ki_dun.jpg");
}
.hero.kuari{
    background-image:url("images/kuari_pass.jpg");
}
.hero.roopkund{
    background-image:url("images/roopkund.jpg");
} 
.hero.nagtibba{
    background-image:url("images/nag_tibba.jpg");
}
.hero.valleyflowers{
    background-image:url("images/valley_of_flowers_trek.jpg");
}
 .overlay{

    position:absolute;

    inset:0;

   background:rgba(0,0,0,.15);
}
.hero-content{

    position:relative;

    width:100%;

    height:100%;

    z-index:2;
}
.badge{

    position:absolute;

    top:5%;

    left:50%;

    transform:translateX(-50%);

    display:inline-block;

    padding:10px 22px;

    border-radius:50px;

    background:rgba(255,255,255,.15);

    backdrop-filter:blur(10px);

    letter-spacing:1px;

    font-size:14px;

    color:#fff;
}
.hero h1{

    font-size:68px;

    margin-bottom:20px;

    font-weight:800;
}

.hero p{

    font-size:22px;

    line-height:1.8;

    margin-bottom:40px;

    color:#f1f5f9;
}

.hero-btn{

    position:absolute;

    bottom:-3%;

    left:50%;

    transform:translateX(-50%);

    display:inline-block;

    padding:17px 40px;

    border-radius:50px;

    background:#ff9800;

    color:#fff;

    font-weight:600;

    transition:.35s;

    text-decoration:none;
}
.hero-btn:hover{

    background:#f57c00;
}
/* ===========================
   COMMON SECTION
=========================== */

section{
    padding:90px 0;
}

.section-title{
    text-align:center;
    margin-bottom:60px;
}

.section-title h2{
    font-size:42px;
    color:#0f172a;
    margin-bottom:15px;
}

.section-title p{
    max-width:850px;
    margin:auto;
    color:#64748b;
    font-size:18px;
    line-height:1.8;
}

/* ===========================
   ABOUT
=========================== */

.about{
    background:#fff;
}

.info-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:25px;
}

.card{
    background:#fff;
    padding:35px;
    border-radius:18px;
    box-shadow:0 10px 30px rgba(0,0,0,.08);
    transition:.35s;
    text-align:center;
}

.card:hover{
    transform:translateY(-10px);
}

.card h3{
    color:#0f172a;
    margin-bottom:12px;
    font-size:22px;
}

.card p{
    color:#64748b;
}

/* ===========================
   HIGHLIGHTS
=========================== */

.highlights{
    background:#f8fafc;
}

.highlight-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
    gap:30px;
}

.highlight-card{
    background:#fff;
    border-radius:20px;
    padding:35px;
    box-shadow:0 8px 25px rgba(0,0,0,.08);
    transition:.3s;
}

.highlight-card:hover{
    transform:translateY(-10px);
}

.highlight-card span{
    font-size:45px;
}

.highlight-card h3{
    margin:20px 0 12px;
    color:#0f172a;
}

.highlight-card p{
    color:#64748b;
}

/* ===========================
   TREK DETAILS
=========================== */

.trek-details{
    background:#fff;
}

.details-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
    gap:25px;
}

.detail-box{
    background:#f8fafc;
    border-left:5px solid #ff9800;
    padding:30px;
    border-radius:15px;
}

.detail-box h3{
    margin-bottom:10px;
    color:#0f172a;
}

.detail-box p{
    color:#64748b;
}

/* ===========================
   ITINERARY
=========================== */

.itinerary{
    background:#eef4ff;
}

.timeline{
    max-width:900px;
    margin:auto;
}

.timeline-item{
    background:#fff;
    margin-bottom:25px;
    padding:30px;
    border-left:6px solid #ff9800;
    border-radius:15px;
    box-shadow:0 5px 20px rgba(0,0,0,.08);
}

.timeline-item h3{
    margin-bottom:12px;
    color:#0f172a;
}

.timeline-item p{
    color:#64748b;
}
/* ===========================
   GALLERY
=========================== */

.gallery{
    background:#fff;
}

.gallery-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
    gap:20px;
}

.gallery-grid img{
    width:100%;
    height:260px;
    object-fit:cover;
    border-radius:18px;
    transition:.4s;
    cursor:pointer;
}

.gallery-grid img:hover{
    transform:scale(1.05);
}

/* ===========================
   THINGS TO CARRY
=========================== */

.carry{
    background:#f8fafc;
}

.carry-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
    gap:20px;
}

.carry-card{
    background:#fff;
    padding:25px;
    border-radius:15px;
    text-align:center;
    font-size:18px;
    font-weight:600;
    box-shadow:0 8px 20px rgba(0,0,0,.08);
    transition:.3s;
}

.carry-card:hover{
    transform:translateY(-8px);
}

/* ===========================
   FAQ
=========================== */

.faq{
    background:#fff;
}

.faq-item{
    background:#f8fafc;
    margin-bottom:20px;
    padding:30px;
    border-radius:15px;
    box-shadow:0 5px 15px rgba(0,0,0,.06);
}

.faq-item h3{
    color:#0f172a;
    margin-bottom:10px;
}

.faq-item p{
    color:#64748b;
    line-height:1.8;
}

/* ===========================
   CTA
=========================== */

.cta{
    background:linear-gradient(135deg,#0f172a,#1e3a8a);
    color:#fff;
    text-align:center;
}

.cta h2{
    font-size:42px;
    margin-bottom:20px;
}

.cta p{
    max-width:700px;
    margin:0 auto 35px;
    font-size:18px;
    color:#e2e8f0;
}

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

footer{
    background:#020617;
    color:#fff;
    text-align:center;
    padding:50px 20px;
}

footer h2{
    margin-bottom:15px;
    font-size:30px;
}

footer p{
    color:#cbd5e1;
    margin-bottom:10px;
}

.copyright{
    margin-top:20px;
    font-size:14px;
    color:#94a3b8;
}

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

@media(max-width:992px){

.hero h1{
    font-size:50px;
}

.hero p{
    font-size:19px;
}

.navbar{
    padding:18px 5%;
}

.nav-links{
    gap:18px;
}

.section-title h2{
    font-size:34px;
}

}

@media(max-width:768px){

.navbar{
    flex-direction:column;
    gap:15px;
}

.nav-links{
    flex-wrap:wrap;
    justify-content:center;
}

.hero{
    height:90vh;
}

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

.hero p{
    font-size:17px;
}

.hero-btn{
    padding:14px 28px;
}

.section-title h2{
    font-size:30px;
}

.timeline-item,
.card,
.highlight-card,
.detail-box,
.faq-item,
.carry-card{
    padding:22px;
}

.gallery-grid img{
    height:220px;
}

}

@media(max-width:480px){

.hero h1{
    font-size:30px;
}

.hero p{
    font-size:15px;
}

.logo{
    font-size:24px;
}

.nav-links a{
    font-size:15px;
}

.section{
    padding:70px 0;
}

.section-title h2{
    font-size:26px;
}

.section-title p{
    font-size:15px;
}

.hero-btn{
    padding:12px 22px;
    font-size:15px;
}

}