/* ===========================
   GOOGLE FONT
=========================== */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&display=swap');

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

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

html{
    scroll-behavior:smooth;
}

body{
    background:#f5f7fb;
    color:#222;
    line-height:1.6;
}

/* ===========================
   CONTAINER
=========================== */

.container{
    width:90%;
    max-width:1200px;
    margin:auto;
}

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

header{
    background:#ffffff;
    position:sticky;
    top:0;
    z-index:1000;
    box-shadow:0 2px 10px rgba(0,0,0,.08);
}

header .container{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:18px 0;
}

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

.logo a{
    text-decoration:none;
    font-size:30px;
    font-weight:700;
    color:#1d4ed8;
}

.logo span{
    color:#16a34a;
}

/* ===========================
   NAVIGATION
=========================== */

nav ul{
    display:flex;
    list-style:none;
    gap:28px;
}

nav a{
    text-decoration:none;
    color:#222;
    font-weight:500;
    transition:.3s;
}

nav a:hover{
    color:#2563eb;
}

.menu-icon{
    display:none;
    font-size:28px;
    cursor:pointer;
}

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

.hero{
    background:linear-gradient(135deg,#2563eb,#1e40af);
    color:#fff;
    padding:90px 0;
}

.hero-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:50px;
    align-items:center;
}

.hero h1{
    font-size:50px;
    margin-bottom:20px;
    line-height:1.2;
}

.hero p{
    font-size:18px;
    margin-bottom:30px;
}

.hero img{
    width:100%;
    max-width:500px;
    display:block;
    margin:auto;
}

/* ===========================
   SEARCH
=========================== */

.search-box{
    display:flex;
    margin-bottom:25px;
}

.search-box input{

    width:100%;
    padding:16px;
    border:none;
    outline:none;
    border-radius:10px 0 0 10px;
    font-size:16px;
}

.search-box button{

    border:none;
    background:#16a34a;
    color:#fff;
    padding:16px 30px;
    cursor:pointer;
    border-radius:0 10px 10px 0;
    font-size:16px;
    transition:.3s;
}

.search-box button:hover{

    background:#15803d;

}

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

.hero-buttons{

    display:flex;
    gap:15px;
}

.btn{

    display:inline-block;
    background:#16a34a;
    color:white;
    padding:14px 30px;
    border-radius:8px;
    text-decoration:none;
    transition:.3s;
}

.btn:hover{

    background:#15803d;
}

.btn2{

    display:inline-block;
    border:2px solid white;
    color:white;
    padding:14px 30px;
    border-radius:8px;
    text-decoration:none;
    transition:.3s;
}

.btn2:hover{

    background:white;
    color:#2563eb;
}

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

.stats{

    background:white;
    padding:70px 0;
}

.stats-grid{

    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:25px;
}

.stats-grid div{

    background:#f8fafc;
    text-align:center;
    padding:35px;
    border-radius:12px;
    transition:.3s;
}

.stats-grid div:hover{

    transform:translateY(-8px);
}

.stats-grid h2{

    font-size:40px;
    color:#2563eb;
}

.stats-grid p{

    margin-top:10px;
}

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

.title{

    text-align:center;
    font-size:38px;
    margin-bottom:15px;
}

.subtitle{

    text-align:center;
    color:#666;
    margin-bottom:50px;
}

/* ===========================
   CATEGORY
=========================== */

.categories{

    padding:90px 0;
}

.category-grid{

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

.category-card{

    background:white;
    border-radius:15px;
    padding:30px;
    text-align:center;
    transition:.3s;
    box-shadow:0 5px 20px rgba(0,0,0,.08);
}

.category-card:hover{

    transform:translateY(-8px);
}

.category-card i{

    font-size:50px;
    color:#2563eb;
    margin-bottom:20px;
}

.category-card h3{

    margin-bottom:15px;
}

.category-card p{

    color:#666;
    margin-bottom:20px;
}

.category-card a{

    text-decoration:none;
    color:#2563eb;
    font-weight:600;
}
/* ===================================
   POPULAR CALCULATORS
=================================== */

.popular{
    padding:90px 0;
    background:#ffffff;
}

.calculator-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
    gap:25px;
}

.calculator-card{
    background:#ffffff;
    border-radius:15px;
    padding:30px;
    box-shadow:0 10px 25px rgba(0,0,0,.08);
    transition:.35s;
    border-top:5px solid #2563eb;
}

.calculator-card:hover{
    transform:translateY(-8px);
    box-shadow:0 20px 35px rgba(0,0,0,.15);
}

.calculator-card h3{
    color:#1f2937;
    margin-bottom:15px;
    font-size:22px;
}

.calculator-card p{
    color:#666;
    margin-bottom:20px;
}

.calculator-card a{
    display:inline-block;
    text-decoration:none;
    color:#2563eb;
    font-weight:600;
}

.calculator-card a:hover{
    color:#16a34a;
}

/* ===================================
   LATEST CALCULATORS
=================================== */

.latest{
    background:#f8fafc;
    padding:90px 0;
}

.latest-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
    gap:25px;
}

.latest-card{
    background:white;
    border-radius:15px;
    padding:30px;
    transition:.35s;
    box-shadow:0 8px 20px rgba(0,0,0,.08);
}

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

.latest-card h3{
    margin-bottom:15px;
    color:#1e40af;
}

.latest-card p{
    color:#666;
    margin-bottom:20px;
}

.latest-card a{
    text-decoration:none;
    font-weight:600;
    color:#16a34a;
}

/* ===================================
   WHY CHOOSE US
=================================== */

.why{
    padding:90px 0;
    background:white;
}

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

.why-card{
    background:#f8fafc;
    border-radius:15px;
    text-align:center;
    padding:35px;
    transition:.35s;
}

.why-card:hover{
    transform:translateY(-8px);
    background:#2563eb;
    color:white;
}

.why-card i{
    font-size:45px;
    color:#16a34a;
    margin-bottom:20px;
}

.why-card:hover i{
    color:white;
}

.why-card h3{
    margin-bottom:15px;
}

/* ===================================
   ARTICLES
=================================== */

.articles{
    padding:90px 0;
    background:#f5f7fb;
}

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

.article-card{
    background:white;
    border-radius:15px;
    overflow:hidden;
    box-shadow:0 10px 25px rgba(0,0,0,.08);
    transition:.35s;
}

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

.article-card img{
    width:100%;
    height:200px;
    object-fit:cover;
}

.article-card h3{
    padding:20px 20px 10px;
    color:#1f2937;
}

.article-card p{
    padding:0 20px 20px;
    color:#666;
}

.article-card a{
    display:inline-block;
    margin:0 20px 20px;
    text-decoration:none;
    font-weight:600;
    color:#2563eb;
}

.article-card a:hover{
    color:#16a34a;
}

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

.about-home{
    padding:90px 0;
    background:white;
}

.about-home p{
    font-size:17px;
    color:#555;
    line-height:1.9;
    max-width:950px;
    margin:20px auto;
    text-align:center;
}

/* ===================================
   SIMPLE ANIMATIONS
=================================== */

.category-card,
.calculator-card,
.latest-card,
.article-card,
.why-card,
.stats-grid div{
    animation:fadeUp .8s ease;
}

@keyframes fadeUp{

    from{
        opacity:0;
        transform:translateY(30px);
    }

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

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

.faq{
    padding:90px 0;
    background:#ffffff;
}

.faq-item{
    background:#f8fafc;
    padding:25px;
    border-radius:12px;
    margin-bottom:20px;
    box-shadow:0 5px 15px rgba(0,0,0,.05);
}

.faq-item h3{
    color:#2563eb;
    margin-bottom:12px;
}

.faq-item p{
    color:#555;
    line-height:1.8;
}

/* ===================================
   NEWSLETTER
=================================== */

.newsletter{
    background:linear-gradient(135deg,#2563eb,#1e40af);
    color:#fff;
    padding:80px 20px;
    text-align:center;
}

.newsletter h2{
    font-size:36px;
    margin-bottom:15px;
}

.newsletter p{
    margin-bottom:30px;
}

.newsletter form{
    display:flex;
    justify-content:center;
    flex-wrap:wrap;
    gap:15px;
}

.newsletter input{
    width:380px;
    max-width:100%;
    padding:15px;
    border:none;
    border-radius:8px;
    outline:none;
    font-size:16px;
}

.newsletter button{
    background:#16a34a;
    color:#fff;
    border:none;
    padding:15px 30px;
    border-radius:8px;
    cursor:pointer;
    font-size:16px;
    transition:.3s;
}

.newsletter button:hover{
    background:#15803d;
}

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

.cta{
    padding:80px 20px;
    text-align:center;
    background:#f5f7fb;
}

.cta h2{
    font-size:40px;
    margin-bottom:20px;
}

.cta p{
    color:#666;
    margin-bottom:30px;
}

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

footer{
    background:#111827;
    color:#ffffff;
    padding:70px 0 20px;
}

.footer-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
    gap:35px;
}

.footer-grid h3{
    margin-bottom:20px;
    color:#ffffff;
}

.footer-grid p{
    color:#d1d5db;
    line-height:1.8;
}

.footer-grid ul{
    list-style:none;
}

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

.footer-grid a{
    text-decoration:none;
    color:#d1d5db;
    transition:.3s;
}

.footer-grid a:hover{
    color:#ffffff;
}

.copyright{
    margin-top:50px;
    border-top:1px solid rgba(255,255,255,.15);
    padding-top:20px;
    text-align:center;
    color:#d1d5db;
}

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

@media(max-width:992px){

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

.hero img{
    margin-top:40px;
    max-width:350px;
}

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

}

@media(max-width:768px){

nav{
    display:none;
}

.menu-icon{
    display:block;
}

.hero h1{
    font-size:36px;
}

.title{
    font-size:30px;
}

.search-box{
    flex-direction:column;
}

.search-box input{
    border-radius:8px;
    margin-bottom:12px;
}

.search-box button{
    border-radius:8px;
}

.hero-buttons{
    flex-direction:column;
}

.btn,
.btn2{
    width:100%;
    text-align:center;
}

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

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

.newsletter form{
    flex-direction:column;
}

.newsletter input,
.newsletter button{
    width:100%;
}

}

@media(max-width:480px){

.hero{
    padding:60px 0;
}

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

.hero p{
    font-size:16px;
}

.title{
    font-size:26px;
}

.category-card,
.calculator-card,
.latest-card,
.article-card,
.why-card{
    padding:22px;
}

.newsletter h2{
    font-size:28px;
}

.cta h2{
    font-size:30px;
}

.logo a{
    font-size:24px;
}

}