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

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

html{
    scroll-behavior:smooth;
}

body{
    background:#f4f8fb;
    color:#333;
    line-height:1.7;
}

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

nav{
    position:sticky;
    top:0;
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:16px 8%;
    background:rgba(15,76,129,0.95);
    backdrop-filter:blur(12px);
    box-shadow:0 4px 20px rgba(0,0,0,.10);
    z-index:1000;
    transition:all .3s ease;
}

.logo{
    color:white;
    font-size:24px;
    font-weight:700;
}

.nav-links{
    display:flex;
    list-style:none;
    gap:30px;
}

.nav-links a{
    color:white;
    text-decoration:none;
    font-weight:600;
    padding:8px 14px;
    border-radius:8px;
    transition:all .3s ease;
}

.nav-links a:hover{
    background:rgba(255,255,255,.15);
    color:white;
}
/* ===== HERO SECTION ===== */

.hero{
display:flex;
align-items:center;
justify-content:space-between;
padding:90px 10%;
gap:60px;
background:linear-gradient(135deg,#f4f9fc,#ffffff);
flex-wrap:wrap;
}

.hero-text{
flex:1;
min-width:320px;
}

.hero-image{
flex:1;
display:flex;
justify-content:center;
}

.hero img{
    width:360px;
    height:360px;
    object-fit:cover;
    border-radius:50%;
    border:10px solid white;
    box-shadow:0 20px 50px rgba(15,76,129,.25);
    transition:transform .4s ease;
}
.hero img:hover{
    transform:scale(1.05);
}
.welcome{
color:#009688;
font-weight:700;
letter-spacing:1px;
margin-bottom:15px;
}

.hero h1{
    font-size:64px;
    color:#0f4c81;
    margin-bottom:12px;
    line-height:1.1;
    letter-spacing:-1px;
}

.hero h2{
    font-size:30px;
    font-weight:600;
    color:#009688;
    margin-bottom:25px;
}

.hero-description{
font-size:18px;
line-height:1.8;
max-width:650px;
margin-bottom:35px;
}

.hero-buttons{
display:flex;
gap:20px;
flex-wrap:wrap;
}

.btn-primary,
.btn-secondary{

padding:15px 34px;
border-radius:8px;
text-decoration:none;
font-weight:600;
transition:.3s;
}

.btn-primary{

background:#0f4c81;
color:white;

}

.btn-primary:hover{

transform:translateY(-3px);

}

.btn-secondary{

border:2px solid #0f4c81;
color:#0f4c81;

}

.btn-secondary:hover{

background:#0f4c81;
color:white;

}
/* ===== SKILLS SECTION ===== */

#skills{
padding:80px 10%;
background:#f8fbfd;
}

#skills h2{
text-align:center;
font-size:36px;
margin-bottom:50px;
color:#0f4c81;
}

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

.skill-card{
background:white;
padding:30px;
border-radius:15px;
box-shadow:0 10px 25px rgba(0,0,0,.08);
transition:.3s;
}

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

.skill-card h3{
margin-bottom:15px;
color:#0f4c81;
}

.skill-card p{
line-height:1.7;
color:#555;
}
/* ===== PROJECTS SECTION ===== */

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

#projects{
    padding:90px 10%;
    background:#ffffff;
}

#projects h2{
    text-align:center;
    font-size:38px;
    color:#0f4c81;
    margin-bottom:60px;
}

.projects-container{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(340px,1fr));
    gap:30px;
}

.project-card{
    background:#ffffff;
    border-radius:18px;
    padding:35px;
    box-shadow:0 12px 30px rgba(0,0,0,.08);
    border-top:6px solid #009688;
    transition:all .35s ease;
}

.project-card:hover{
    transform:translateY(-10px);
    box-shadow:0 22px 45px rgba(15,76,129,.18);
}

.project-card h3{
    color:#0f4c81;
    font-size:24px;
    margin-bottom:18px;
}

.project-card p{
    color:#555;
    line-height:1.8;
    margin-bottom:15px;
}

.project-card strong{
    color:#0f4c81;
}
/* ===== EXPERIENCE SECTION ===== */

#experience{
    padding:80px 10%;
    background:#f8fbfd;
}

#experience h2{
    text-align:center;
    font-size:36px;
    margin-bottom:50px;
    color:#0f4c81;
}

.experience-card{
    max-width:850px;
    margin:auto;
    background:white;
    padding:35px;
    border-radius:15px;
    box-shadow:0 10px 25px rgba(0,0,0,.08);
}

.experience-card h3{
    color:#0f4c81;
    font-size:28px;
    margin-bottom:8px;
}

.experience-card h4{
    color:#555;
    margin-bottom:10px;
}

.experience-card p{
    font-weight:bold;
    margin-bottom:20px;
}

.experience-card ul{
    padding-left:20px;
}

.experience-card li{
    margin-bottom:12px;
    line-height:1.7;
}
/* ===== EDUCATION SECTION ===== */

#education{
    padding:80px 10%;
    background:white;
}

#education h2{
    text-align:center;
    font-size:36px;
    margin-bottom:50px;
    color:#0f4c81;
}

.education-container{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
    gap:25px;
}

.education-card{
    background:#f8fbfd;
    padding:30px;
    border-radius:15px;
    box-shadow:0 10px 25px rgba(0,0,0,.08);
    transition:.3s;
}

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

.education-card h3{
    color:#0f4c81;
    margin-bottom:15px;
}

.education-card p{
    color:#555;
    line-height:1.7;
}
/* ===== CONTACT SECTION ===== */

#contact{
    padding:80px 10%;
    background:#f8fbfd;
}

#contact h2{
    text-align:center;
    font-size:36px;
    margin-bottom:50px;
    color:#0f4c81;
}

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

.contact-card{
    background:white;
    padding:30px;
    border-radius:15px;
    box-shadow:0 10px 25px rgba(0,0,0,.08);
    text-align:center;
    transition:.3s;
}

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

.contact-card h3{
    color:#0f4c81;
    margin-bottom:15px;
}

.contact-card p{
    color:#555;
    line-height:1.7;
}
/* ===== SCROLL ANIMATIONS ===== */

.hidden{
    opacity:0;
    transform:translateY(50px);
    transition:all .8s ease;
}

.show{
    opacity:1;
    transform:translateY(0);
}
.contact-card a{
    color:#0f4c81;
    text-decoration:none;
    font-weight:600;
}

.contact-card a:hover{
    color:#009688;
    text-decoration:underline;
}
/* ===================================
   STATISTICS SECTION
=================================== */

#stats{
    padding:80px 10%;
    background:#ffffff;
}

.stats-container{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
    gap:25px;
}

.stat-card{
    background:#ffffff;
    padding:35px 25px;
    text-align:center;
    border-radius:16px;
    box-shadow:0 12px 30px rgba(0,0,0,0.08);
    transition:all 0.3s ease;
    border-top:5px solid #009688;
}

.stat-card:hover{
    transform:translateY(-8px);
    box-shadow:0 18px 40px rgba(15,76,129,0.15);
}

.stat-card h2{
    font-size:48px;
    color:#0f4c81;
    margin-bottom:10px;
    font-weight:700;
}

.stat-card p{
    font-size:18px;
    color:#555;
    font-weight:500;
    line-height:1.5;
}
/* ===================================
   CERTIFICATIONS SECTION
=================================== */

#certifications{
    padding:80px 10%;
    background:#f8fbfd;
}

#certifications h2{
    text-align:center;
    font-size:36px;
    color:#0f4c81;
    margin-bottom:50px;
}

.certifications-container{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
    gap:30px;
}

.certification-card{
    background:#ffffff;
    border-radius:18px;
    padding:35px 30px;
    text-align:center;
    box-shadow:0 12px 30px rgba(0,0,0,.08);
    transition:all .35s ease;
}

.certification-card:hover{
    transform:translateY(-10px);
    box-shadow:0 20px 45px rgba(15,76,129,.18);
}

.cert-icon{
    font-size:50px;
    margin-bottom:20px;
}

.certification-card h3{
    color:#0f4c81;
    font-size:24px;
    margin-bottom:12px;
}

.issuer{
    color:#009688;
    font-weight:600;
    margin-bottom:18px;
}

.certification-card p{
    color:#555;
    line-height:1.8;
}
/* ===================================
   PROFESSIONAL FOOTER
=================================== */

footer{
    background:#0f4c81;
    color:white;
    padding:60px 10% 30px;
    text-align:center;
}

.footer-container{
    max-width:1000px;
    margin:auto;
}

.footer-container h2{
    font-size:32px;
    margin-bottom:10px;
    font-weight:700;
}

.footer-title{
    color:#d9f5f2;
    font-size:18px;
    margin-bottom:35px;
}

.footer-links{
    display:flex;
    justify-content:center;
    flex-wrap:wrap;
    gap:20px;
    margin-bottom:35px;
}

.footer-links a{
    color:white;
    text-decoration:none;
    font-weight:600;
    padding:12px 22px;
    border:2px solid rgba(255,255,255,.25);
    border-radius:10px;
    transition:all .3s ease;
}

.footer-links a:hover{
    background:#009688;
    border-color:#009688;
    transform:translateY(-3px);
}

.footer-copy{
    font-size:14px;
    color:#cfd8dc;
    border-top:1px solid rgba(255,255,255,.15);
    padding-top:25px;
}