/* style.css - Main site styles (header, hero, about, footer) */
/* Color palette */
:root{
  --nav-bg: #0b1e3d;
  --primary: #00aaff;
  --secondary: #2ecc71;
  --gold: #d4af37;
  --muted: #f9f9f9;
  --card-bg: #ffffff;
  --text: #1f2933;
  --subtext: #586070;
  --shadow: 0 10px 30px rgba(11,30,61,0.08);
}

/* Reset / base */
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color:var(--text);
  background-color:var(--muted);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  padding-top:140px; /* offset for fixed header */
}

/* container */
.container{
  width:90%;
  max-width:1100px;
  margin:0 auto;
  padding:0 12px;
}

/* links */
a{color:var(--primary); text-decoration:none}
a:hover{text-decoration:underline}

/* headings */
h1{font-size:1.6rem; margin:0}
h2{font-size:2rem; margin:0 0 12px}
h3{font-size:1.125rem; margin:0 0 10px}
p{margin:0 0 14px; color:var(--subtext)}

/* Header/banner */
.banner{
  position:fixed;
  top:0; left:0; width:100%;
  background:linear-gradient(180deg,var(--nav-bg) 0%, #12315c 60%, #163b6b 100%);
  color:#fff;
  z-index:1100;
  box-shadow:0 6px 18px rgba(11,30,61,0.12);
}
.banner-inner{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:20px;
  padding:18px 0 14px;
}
.banner-left{
  display:flex;
  gap:18px;
  align-items:center;
}
.site-title{display:flex; flex-direction:column; line-height:1}
.site-title h1{font-size:1.35rem; font-weight:700; letter-spacing:0.3px}
.nav{display:flex; gap:16px; align-items:center; margin-left:8px}
.nav a{color:#fff; font-weight:600; padding:6px 8px; border-radius:6px; opacity:0.95}
.nav a.active{color:var(--primary); background:rgba(0,170,255,0.06)}
.banner-center{ text-align:center; padding:0 8px 14px }
.banner-center h2{font-size:1.05rem; color:#fff; font-weight:600}
.banner-center h3{font-size:0.95rem; color:#c6d5e8; margin-top:6px; font-weight:400}

/* divider under banner */
.banner-divider{ height:6px; width:100%;
  background:linear-gradient(180deg, rgba(0,170,255,0.14), rgba(212,175,55,0.06)); }

/* Hero */
.hero{ background:var(--card-bg); padding:48px 0; box-shadow:0 1px 0 rgba(11,30,61,0.02) }
.hero-inner{ display:flex; gap:32px; align-items:center; justify-content:space-between; flex-wrap:wrap }
.hero-text{ flex:1 1 520px; min-width:260px }
.hero-text h2{ font-size:2.05rem }
.hero-text h2 span{ color:var(--primary) }
.hero-text p{ margin-bottom:12px; color:var(--subtext) }
.btn{
  display:inline-block;
  background:linear-gradient(180deg,var(--primary), #0088cc);
  color:#fff; padding:10px 18px; border-radius:6px; font-weight:600;
  box-shadow:0 8px 20px rgba(0,170,255,0.12); border:0; transition:transform .16s ease, box-shadow .16s ease;
}
.btn:hover{ transform:translateY(-3px); box-shadow:0 12px 28px rgba(0,170,255,0.18) }

/* hero image */
.hero-image{ flex:0 1 260px; text-align:center }
.profile-pic{
  width:240px; height:240px; border-radius:50%; object-fit:cover; border:5px solid var(--primary); box-shadow:var(--shadow);
}

/* sections */
.section{ padding:36px 0; background:var(--card-bg); margin-top:18px }
.about-intro{ max-width:900px; margin:0 auto 6px; padding:10px; color:var(--subtext) }

/* row flex (reusable) */
.row-flex{ display:flex; gap:28px; justify-content:space-between; flex-wrap:wrap; align-items:flex-start }

/* box */
.box{
  background:#fbfcff; border:1px solid rgba(0,170,255,0.08); border-left:4px solid var(--primary);
  padding:20px; border-radius:10px; box-shadow:0 6px 18px rgba(11,30,61,0.04);
  flex:1 1 48%; min-width:260px;
}
.box h3{ margin-bottom:10px; color:var(--nav-bg) }
.box ul{ margin:8px 0 0; padding-left:18px; color:var(--subtext) }
.box li{ margin-bottom:8px }
.box.gold{ border-left-color:var(--gold) }

/* cards preview */
.cards-grid{ display:flex; gap:22px; flex-wrap:wrap; justify-content:space-between }
.card{
  background:#fff; border-radius:10px; border:1px solid rgba(11,30,61,0.06);
  padding:18px; flex:1 1 320px; min-width:260px; box-shadow:0 6px 18px rgba(11,30,61,0.04);
  transition:transform .18s ease, box-shadow .18s ease;
}
.card:hover{ transform:translateY(-6px); box-shadow:0 18px 36px rgba(11,30,61,0.09) }
.card .card-title{ font-weight:700; color:var(--nav-bg); margin-bottom:8px }
.card .card-desc{ color:var(--subtext); margin-bottom:12px }
.card .thumb{ width:100%; height:140px; object-fit:cover; border-radius:8px; margin-bottom:12px }

/* project detail */
.project-detail{ padding:20px; background:#fff; border-radius:8px; border:1px solid rgba(11,30,61,0.06) }
.project-hero{ display:flex; gap:20px; align-items:center; flex-wrap:wrap }
.project-thumb{ width:360px; max-width:100%; border-radius:8px; object-fit:cover; }
.project-thumbnail {
  width: 250px;       /* adjust size */
  height: auto;       /* keeps correct proportions */
  border-radius: 10px; /* smooth corners */
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
}

.project-thumbnail:hover {
  transform: scale(1.05); /* subtle zoom on hover */
}


/* footer */
.site-footer{ background:var(--nav-bg); color:#fff; padding:26px 0; margin-top:28px }
.footer-inner{ display:flex; justify-content:space-between; align-items:center; gap:12px; flex-wrap:wrap }
.footer-left{ font-size:0.95rem }
.footer-right{ display:flex; gap:12px; align-items:center }
.footer-btn{
  display:inline-block; padding:8px 14px; border-radius:6px; background:transparent; border:1px solid rgba(255,255,255,0.12);
  color:#fff; font-weight:600;
}

/* responsive */
@media (max-width:1000px){
  body{ padding-top:160px }
  .hero-text h2{ font-size:1.8rem }
}
@media (max-width:768px){
  body{ padding-top:160px }
  .banner-inner{ flex-direction:column; align-items:center; text-align:center; gap:10px }
  .banner-center{ margin-top:0 }
  .hero-inner{ flex-direction:column; text-align:center }
  .hero-text{ order:1 }
  .hero-image{ order:2 }
  .profile-pic{ width:180px; height:180px }
  .row-flex{ flex-direction:column }
  .box{ flex:1 1 100% }
  .cards-grid{ flex-direction:column }
  .card{ flex:1 1 100% }
  .project-hero{ flex-direction:column }
  .site-footer{ text-align:center }
}
@media (max-width:420px){
  .profile-pic{ width:150px; height:150px }
  h2{ font-size:1.4rem }
}