body{
margin:0;
font-family:'Inter',sans-serif;
background:#f8fafc;
color:#0f172a;
line-height:1.7;
}

.container{
width:90%;
max-width:1500px;
margin:auto;
}

.center{text-align:center}



/* HEADER */


/* HEADER */
.header{
position:fixed;
width:100%;
background:rgb(255, 255, 255);
box-shadow:0 5px 20px rgba(0,0,0,.05);
z-index:1000;
padding: 13px;
}



/* NAV WRAPPER */
.nav{
display:flex;
justify-content:space-between;
align-items:center;
position:relative;
}

/* LOGO IMAGE */
.logo img{
height:42px;
width:auto;
display:block;
}

/* NAV LINKS */
nav{
display:flex;
align-items:center;
}

nav a{
margin-left:28px;
text-decoration:none;
color:#0f172a;
font-weight:500;
position:relative;
font-size:15px;
}

/* ACTIVE */
nav a.active{
color:#2563eb;
}

/* HOVER UNDERLINE */
nav a::after{
content:"";
position:absolute;
bottom:-6px;
left:0;
width:0;
height:2px;
background:#2563eb;
transition:.3s;
}

nav a:hover::after{
width:100%;
}

/* MENU ICON */
.menu-toggle{
display:none;
font-size:26px;
cursor:pointer;
}

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

/* TABLET */
@media(max-width:1024px){
nav a{
margin-left:20px;
font-size:14px;
}
}

/* MOBILE */
@media(max-width:768px){

/* show menu */
.menu-toggle{
display:block;
}

/* dropdown nav */
nav{
position:absolute;
top:70px;
right:0;
width:100%;
background:white;
flex-direction:column;
align-items:center;
padding:20px 0;
gap:20px;

opacity:0;
pointer-events:none;
transform:translateY(-10px);
transition:.3s ease;
}

/* active state */
nav.active{
opacity:1;
pointer-events:auto;
transform:translateY(0);
}

/* links reset */
nav a{
margin:0;
font-size:16px;
}
}


/* DROPDOWN WRAPPER */
.dropdown{
position:relative;
}

/* BUTTON */
.drop-btn{
cursor:pointer;
}

/* MENU */
.dropdown-menu{
position:absolute;
top:30px;
left:0;
background:white;
border-radius:10px;
box-shadow:0 20px 50px rgba(0,0,0,.12);
padding:10px 0;
min-width:220px;

opacity:0;
pointer-events:none;
transform:translateY(10px);
transition:.3s ease;
z-index:999;
}

/* ITEMS */
.dropdown-menu a{
display:flex;
align-items:center;
gap:10px;
padding:12px 18px;
color:#0f172a;
font-size:14px;
text-decoration:none;
margin:0;
}

/* ICON */
.dropdown-menu a span{
font-size:16px;
}

/* HOVER */
.dropdown-menu a:hover{
background:#f1f5f9;
}

/* SHOW ON HOVER (DESKTOP) */
.dropdown:hover .dropdown-menu{
opacity:1;
pointer-events:auto;
transform:translateY(0);
}

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

@media(max-width:768px){

/* dropdown inside menu */
.dropdown{
width:100%;
text-align:center;
}

/* button full width */
.drop-btn{
display:block;
width:100%;
}

/* menu becomes inline block */
.dropdown-menu{
position:static;
box-shadow:none;
background:#f8fafc;
border-radius:8px;
margin-top:10px;
padding:10px 0;

opacity:1;
pointer-events:auto;
transform:none;

display:none;
}

/* show when active */
.dropdown.active .dropdown-menu{
display:block;
}

/* items */
.dropdown-menu a{
justify-content:center;
}

}



/* HERO */

.hero{

position:relative;

padding:200px 0 160px;

background-image:url("https://images.unsplash.com/photo-1556761175-4b46a572b786");

background-size:cover;
background-position:center;
background-attachment:fixed;

color:white;

overflow:hidden;

}

.hero-overlay{

position:absolute;
width:100%;
height:100%;

background:linear-gradient(
rgba(15,23,42,.85),
rgba(15,23,42,.95)
);

}

.hero-content{
position:relative;
z-index:2;
}

.hero h1{
font-family:'Playfair Display',serif;
font-size:60px;
margin-bottom:20px;
}

.hero p{
max-width:720px;
margin:auto;
font-size:18px;
color:#cbd5e1;
}




/* ===== GLOBAL ===== */


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

.iso-section{
padding:80px 0;
background:linear-gradient(135deg,#f8fafc,#eef2ff);
overflow:hidden;
margin:0;
font-family:Arial, sans-serif;
background:#fff;

}

.iso-container{
width:90%;
max-width:1500px;
margin:auto;
display:grid;
grid-template-columns:1fr 1fr;
align-items:center;
gap:50px;
min-height:420px;
}

/* TEXT */

.iso-text{
display:flex;
flex-direction:column;
justify-content:center;
height:100%;
}

.iso-text h2{
font-size:36px;
font-weight:700;
color:#0f172a;
margin-bottom:16px;
line-height:1.2;
}

.iso-text p{
color:#475569;
line-height:1.6;
margin-bottom:18px;
max-width:520px;
}

/* POINTS */

.iso-points{
display:flex;
flex-direction:column;
gap:8px;
}

.iso-points div{
font-weight:500;
color:#1e293b;
font-size:14px;
}

/* BUTTON */

.iso-btn{
margin-top:18px;
padding:11px 22px;
background:linear-gradient(135deg,#2563eb,#1e40af);
color:#fff;
border:none;
border-radius:10px;
cursor:pointer;
transition:.3s;
box-shadow:0 8px 20px rgba(37,99,235,0.25);
width:max-content;
}

.iso-btn:hover{
transform:translateY(-3px);
box-shadow:0 14px 30px rgba(37,99,235,0.35);
}

/* TRUST BLOCK */

.iso-trust{
margin-top:18px;
display:flex;
flex-direction:column;
gap:10px;
}

.iso-meta{
font-size:13px;
color:#334155;
}

.iso-meta span{
font-weight:600;
color:#0f172a;
margin-right:6px;
}

.iso-badges{
display:flex;
flex-wrap:wrap;
gap:10px;
margin-top:5px;
}

.badge{
background:#eef2ff;
color:#1e40af;
font-size:12px;
padding:6px 10px;
border-radius:6px;
font-weight:500;
border:1px solid rgba(37,99,235,0.15);
transition:.3s;
}

.badge:hover{
background:#dbeafe;
transform:translateY(-2px);
}

/* CERTIFICATE */

.iso-visual{
display:flex;
justify-content:center;
align-items:center;
height:100%;
}

.iso-card{
position:relative;
width:100%;
max-width:380px;
border-radius:16px;
overflow:hidden;
box-shadow:0 20px 50px rgba(0,0,0,0.12);
background:#fff;
cursor:pointer;
transition:.4s;
transform:perspective(1000px) rotateY(-4deg);
}

.iso-card:hover{
transform:perspective(1000px) rotateY(0deg) scale(1.03);
}

.iso-card img{
width:100%;
height:auto;
display:block;
object-fit:contain;
}

/* SHINE */

.iso-shine{
position:absolute;
top:0;
left:-100%;
width:100%;
height:100%;
background:linear-gradient(120deg,transparent,rgba(255,255,255,0.5),transparent);
animation:shine 4s infinite;
}

@keyframes shine{
0%{ left:-100%; }
100%{ left:120%; }
}

/* ===== MODAL ===== */

.iso-modal{
position:fixed;
top:0;
left:0;
width:100%;
height:100%;
background:rgba(0,0,0,0.75);
display:flex;
align-items:center;
justify-content:center;
opacity:0;
pointer-events:none;
transition:.3s;
z-index:2000;
}

.iso-modal.active{
opacity:1;
pointer-events:auto;
}

.iso-modal-content{
max-width:90%;
max-height:90%;
text-align:center;
}

.iso-modal-content img{
max-width:100%;
max-height:80vh;
border-radius:12px;
box-shadow:0 20px 60px rgba(0,0,0,.4);
}

.iso-close{
position:absolute;
top:20px;
right:30px;
font-size:32px;
color:#fff;
cursor:pointer;
}

.iso-caption{
margin-top:10px;
color:#ddd;
font-size:14px;
}

/* ENTRY ANIMATION */

.iso-text, .iso-card{
opacity:0;
transform:translateY(40px);
animation:fadeUp 1s ease forwards;
}

.iso-card{
animation-delay:.3s;
}

@keyframes fadeUp{
to{
opacity:1;
transform:translateY(0);
}
}

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

@media(max-width:900px){

.iso-section{
padding:60px 0;
}

.iso-container{
grid-template-columns:1fr;
text-align:center;
gap:40px;
min-height:auto;
}

.iso-text{
align-items:center;
}

.iso-text p{
max-width:100%;
}

.iso-btn{
margin:auto;
}

.iso-card{
transform:none;
max-width:320px;
}

}

@media(max-width:480px){

.iso-text h2{
font-size:26px;
}

.iso-text p{
font-size:14px;
}

.iso-card{
max-width:260px;
}

}



/* SECTIONS */

.section{
padding:140px 0;
}

.alt-bg{
background:#f5f5f5;
}

.two-col{
display:grid;
grid-template-columns:1fr 1fr;
gap:90px;
align-items:center;
}



.image-box{

height:380px;

border-radius:22px;

background-image:url("https://images.unsplash.com/photo-1504384308090-c894fdcc538d");

background-size:cover;
background-position:center;

box-shadow:0 30px 60px rgba(0,0,0,.15);

}



/* CARDS */

.card{

background:white;

padding:50px;

border-radius:22px;

box-shadow:0 15px 35px rgba(0,0,0,.05);

transition:.35s cubic-bezier(.34,1.56,.64,1);

}

.card:hover{
transform:translateY(-10px);
box-shadow:0 30px 60px rgba(0,0,0,.1);
}

.card-icon{

font-size:28px;

color:#2563eb;

margin-bottom:20px;

}



/* MODEL GRID */

.model-grid{

display:grid;

grid-template-columns:repeat(auto-fit,minmax(220px,1fr));

gap:35px;

margin-top:60px;

}

.model-card{

background:white;

padding:40px;

border-radius:18px;

border:1px solid #e5e7eb;

text-align:center;

font-weight:500;

transition:.35s;

}

.model-card i{
font-size:26px;
display:block;
margin-bottom:14px;
color:#2563eb;
}

.model-card:hover{
transform:translateY(-8px);
box-shadow:0 25px 45px rgba(0,0,0,.08);
}



/* VALUES */

.values-grid{

display:grid;

grid-template-columns:repeat(auto-fit,minmax(220px,1fr));

gap:40px;

margin-top:60px;

}

.value-card{

background:white;

padding:40px;

border-radius:20px;

border:1px solid #e5e7eb;

text-align:center;

transition:.35s;

}

.value-card i{
font-size:28px;
margin-bottom:16px;
color:#2563eb;
}

.value-card:hover{
transform:translateY(-8px);
box-shadow:0 20px 45px rgba(0,0,0,.08);
}



/* CTA */

.cta{

background:#0f172a;

color:white;

padding:140px 0;

}

.cta p{
color:#cbd5e1;
margin-bottom:30px;
}

.btn{

background:#34d399;

border:none;

padding:16px 36px;

border-radius:10px;

font-weight:600;

cursor:pointer;

transition:.3s;

}

.btn:hover{
transform:scale(1.05);
box-shadow:0 15px 30px rgba(52,211,153,.4);
}



/* REVEAL */

.reveal{
opacity:0;
transform:translateY(40px);
transition:all 800ms cubic-bezier(.22,1,.36,1);
}

.reveal.active{
opacity:1;
transform:translateY(0);
}

.stagger{
transition-delay:150ms;
}



/* RESPONSIVE */

@media(max-width:992px){

.two-col{
grid-template-columns:1fr;
}

.hero h1{
font-size:42px;
}

.section{
padding:100px 0;
}

}

@media(max-width:600px){

.hero{
padding:170px 0 120px;
background-attachment:scroll;
}

.hero h1{
font-size:34px;
}

}