/* Web Design and Technologies - Final Assessment
   Mustafa Esad Ustunel - external stylesheet */
:root{
  --bg:#100f0d; --bg-soft:#16140f; --surface:#1c1914; --surface-2:#22201a;
  --line:#322d24; --cream:#ede6d6; --muted:#a59c8b; --muted-2:#7d7464;
  --amber:#e6a95b; --amber-soft:#f0bd78; --amber-dim:rgba(230,169,91,.14);
  --shadow:0 24px 60px -28px rgba(0,0,0,.8); --r:18px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--cream);font-family:'Manrope',sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden;position:relative}
body::before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;background:radial-gradient(900px 500px at 78% -8%, rgba(230,169,91,.10), transparent 60%),radial-gradient(700px 600px at 5% 110%, rgba(230,169,91,.05), transparent 55%)}
body::after{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.04;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.wrap{max-width:1080px;margin:0 auto;padding:0 28px;position:relative;z-index:1}

header.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(12px);background:rgba(16,15,13,.78);border-bottom:1px solid var(--line)}
.nav-inner{max-width:1080px;margin:0 auto;padding:16px 28px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{font-family:'Fraunces',serif;font-weight:600;font-size:1.15rem;letter-spacing:.2px;color:var(--cream);display:flex;align-items:center;gap:10px;text-decoration:none}
.brand .dot{width:9px;height:9px;border-radius:50%;background:var(--amber);box-shadow:0 0 14px var(--amber)}
nav.menu{display:flex;gap:6px;flex-wrap:wrap}
.navlink{font-size:.86rem;font-weight:600;color:var(--muted);text-decoration:none;display:inline-block;padding:8px 14px;border-radius:999px;transition:.18s;letter-spacing:.2px}
.navlink:hover{color:var(--cream);background:var(--surface)}
.navlink.active{color:var(--bg);background:var(--amber)}

main{animation:fade .5s ease both}
@keyframes fade{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
section.block{padding:64px 0}
.eyebrow{font-family:'JetBrains Mono',monospace;font-size:.72rem;letter-spacing:.28em;text-transform:uppercase;color:var(--amber);margin-bottom:18px}
h1{font-family:'Fraunces',serif;font-weight:600;line-height:1.05;letter-spacing:-.5px}
h2{font-family:'Fraunces',serif;font-weight:600;font-size:clamp(1.8rem,4vw,2.6rem);line-height:1.1;letter-spacing:-.4px;margin-bottom:8px}
h3{font-family:'Fraunces',serif;font-weight:600;font-size:1.3rem;margin-bottom:6px}
p{color:var(--muted);font-size:1.02rem}
p strong{color:var(--cream);font-weight:600}
.lead{font-size:1.15rem;color:#cfc6b4}

.hero{padding-top:78px;padding-bottom:54px;display:grid;grid-template-columns:1.25fr .9fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(2.6rem,6.4vw,4.4rem)}
.hero .role{font-family:'JetBrains Mono',monospace;font-size:.82rem;letter-spacing:.18em;text-transform:uppercase;color:var(--amber);margin:22px 0 18px}
.hero p{max-width:46ch}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.btn{font-family:inherit;font-weight:600;font-size:.92rem;cursor:pointer;border-radius:999px;padding:13px 24px;border:1px solid transparent;transition:.2s;text-decoration:none;display:inline-block}
.btn-primary{background:var(--amber);color:var(--bg)}
.btn-primary:hover{background:var(--amber-soft);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--cream);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--amber);color:var(--amber)}

.hero-photo{width:100%;border-radius:var(--r);aspect-ratio:4/5;object-fit:cover;object-position:50% 22%;border:1px solid var(--line);box-shadow:var(--shadow)}
.story-photo{width:100%;border-radius:var(--r);border:1px solid var(--line);box-shadow:var(--shadow);display:block}
figure.story-fig{margin:14px 0}
figure.story-fig figcaption{font-family:'JetBrains Mono',monospace;font-size:.72rem;color:var(--muted-2);margin-top:10px;letter-spacing:.04em}
.proj-photo{width:100%;border-radius:12px;margin-top:18px;border:1px solid var(--line);display:block}

.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:18px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:24px 22px}
.stat .n{font-family:'Fraunces',serif;font-size:2rem;color:var(--amber);font-weight:600;line-height:1}
.stat .t{font-size:.86rem;color:var(--muted);margin-top:8px}

.story-grid{display:grid;grid-template-columns:1fr;gap:30px;max-width:760px}
.story-grid p{margin-bottom:6px}
.divider{height:1px;background:var(--line);margin:8px 0}

.table-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse}
caption{text-align:left;font-family:'JetBrains Mono',monospace;font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted-2);padding:16px 22px;border-bottom:1px solid var(--line)}
th,td{text-align:left;padding:16px 22px;border-bottom:1px solid var(--line);vertical-align:top}
tbody tr:last-child td{border-bottom:none}
th{font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted-2);font-weight:600}
td.year{font-family:'JetBrains Mono',monospace;color:var(--amber);font-weight:500;white-space:nowrap;width:120px}
td.event{color:#cfc6b4}
td.event b{color:var(--cream);font-weight:600;font-family:'Fraunces',serif;font-size:1.02rem}
tbody tr{transition:background .15s}
tbody tr:hover{background:var(--surface-2)}

.skills{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.chip{background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-size:.85rem;color:#cfc6b4;font-weight:500}
.chip:hover{border-color:var(--amber);color:var(--amber)}
.cert-row{display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px 20px;margin-top:14px}
.cert-row .badge{font-family:'JetBrains Mono',monospace;font-size:.68rem;letter-spacing:.1em;padding:5px 11px;border-radius:999px;background:var(--amber-dim);color:var(--amber);white-space:nowrap}

.repo-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:8px}
.repo{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:24px;transition:.2s;display:flex;flex-direction:column;gap:12px;min-height:150px}
.repo:hover{border-color:var(--amber);transform:translateY(-3px)}
.repo .top{display:flex;align-items:center;gap:10px}
.repo .top svg{color:var(--amber);flex-shrink:0}
.repo h3{font-size:1.1rem;margin:0;word-break:break-word}
.repo p{font-size:.92rem;flex:1}
.repo .meta{display:flex;align-items:center;gap:16px;font-size:.8rem;color:var(--muted-2);font-family:'JetBrains Mono',monospace}
.repo .meta .lang{display:flex;align-items:center;gap:6px}
.repo .meta .lang::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--amber)}
.repo a.open{font-size:.82rem;color:var(--amber);text-decoration:none;font-weight:600}
.repo a.open:hover{text-decoration:underline}
.loading,.error-box{grid-column:1/-1;padding:34px;text-align:center;color:var(--muted);background:var(--surface);border:1px dashed var(--line);border-radius:var(--r)}
.spinner{width:26px;height:26px;border:3px solid var(--line);border-top-color:var(--amber);border-radius:50%;margin:0 auto 14px;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

.feature-proj{background:linear-gradient(160deg,var(--surface-2),var(--bg-soft));border:1px solid var(--line);border-left:3px solid var(--amber);border-radius:var(--r);padding:26px;margin-bottom:20px}
.feature-proj .tag{font-family:'JetBrains Mono',monospace;font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--amber)}
.feature-proj code{font-family:'JetBrains Mono',monospace;color:var(--amber-soft)}

.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
form{display:flex;flex-direction:column;gap:18px}
.field label{display:block;font-size:.82rem;font-weight:600;color:var(--cream);margin-bottom:8px;letter-spacing:.02em}
.field input,.field textarea{width:100%;background:var(--bg-soft);border:1px solid var(--line);border-radius:12px;padding:13px 16px;color:var(--cream);font-family:inherit;font-size:.95rem;transition:.18s;resize:vertical}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--amber);background:var(--surface)}
.field .err{color:#e88c6a;font-size:.78rem;margin-top:6px;display:none;font-weight:500}
.field.invalid input,.field.invalid textarea{border-color:#e88c6a}
.field.invalid .err{display:block}
.form-note{font-size:.82rem;color:var(--muted-2);font-family:'JetBrains Mono',monospace}
.success{display:none;background:var(--amber-dim);border:1px solid var(--amber);border-radius:12px;padding:16px 18px;color:var(--amber-soft);font-weight:500;font-size:.92rem}
.success.show{display:block;animation:fade .4s ease}
.contact-side .line{display:flex;align-items:center;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.contact-side .line:last-child{border-bottom:none}
.contact-side .k{font-family:'JetBrains Mono',monospace;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-2);width:78px;flex-shrink:0}
.contact-side .v{color:#cfc6b4;font-size:.95rem}
.contact-side a{color:var(--amber);text-decoration:none}
.contact-side a:hover{text-decoration:underline}

footer{border-top:1px solid var(--line);margin-top:40px;padding:32px 0;text-align:center;color:var(--muted-2);font-size:.82rem;position:relative;z-index:1}

@media(max-width:860px){
  .hero{grid-template-columns:1fr;gap:30px}
  .hero .heroimg{max-width:300px}
  .contact-grid{grid-template-columns:1fr;gap:28px}
  .repo-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
}