/* === PORTFOLIO.CSS — Onurcan Genç Portfolio === */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,700;1,400&family=DM+Sans:opsz,wght@9..40,400;9..40,500&family=JetBrains+Mono:wght@400;500&display=swap');

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --cream: #F5F0E8; --cream-2: #EDE6D9; --cream-3: #E4DDD0;
  --ink: #1C1B19; --ink-2: #444441; --ink-3: #5F5E5A; --ink-4: #888780;
  --coral: #D85A30; --coral-l: #FAECE7; --coral-d: #993C1D;
  --teal: #1D9E75; --teal-l: #E1F5EE;
  --border: #D3D1C7; --border-2: #B4B2A9;
  --serif: 'Playfair Display', serif;
  --sans: 'DM Sans', sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

html { scroll-behavior: smooth; }
body { background: var(--cream); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.7; overflow-x: hidden; }

/* === NAV === */
nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: rgba(245,240,232,0.96); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); padding: 0 6%; display: flex; align-items: center; justify-content: space-between; height: 54px; }
.nav-logo { font-family: var(--mono); font-size: 12px; color: var(--coral); letter-spacing: 0.06em; }
.nav-links { display: flex; gap: 24px; list-style: none; }
.nav-links a { text-decoration: none; color: var(--ink-3); font-size: 12px; font-weight: 500; letter-spacing: 0.05em; text-transform: uppercase; transition: color 0.2s; }
.nav-links a:hover { color: var(--coral); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 4px; flex-direction: column; gap: 5px; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--ink); transition: transform 0.3s, opacity 0.3s; }
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* === HERO === */
.hero { min-height: 100vh; padding: 110px 6% 80px; display: grid; grid-template-columns: 55% 45%; gap: 60px; align-items: center; }
.status-pill { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 11px; color: var(--coral); border: 1px solid var(--coral); padding: 5px 14px; border-radius: 2px; margin-bottom: 28px; letter-spacing: 0.06em; }
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--coral); animation: blink 2s infinite; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.25; } }
.hero-sub { font-size: 11px; font-family: var(--mono); color: var(--ink-3); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 16px; }
h1 { font-family: var(--serif); font-size: clamp(38px, 4.5vw, 62px); font-weight: 700; line-height: 1.08; letter-spacing: -0.025em; margin-bottom: 20px; color: var(--ink); }
h1 em { font-style: italic; color: var(--coral); }
.hero-desc { font-size: 16px; color: var(--ink-3); line-height: 1.85; max-width: 520px; margin-bottom: 32px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; }
.badge { font-family: var(--mono); font-size: 10px; padding: 4px 10px; border: 1px solid var(--border-2); color: var(--ink-3); letter-spacing: 0.04em; }
.badge.active { border-color: var(--coral); color: var(--coral); background: var(--coral-l); }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; }

/* === BUTTONS === */
.btn-dark { background: var(--ink); color: var(--cream); padding: 12px 28px; font-family: var(--sans); font-size: 13px; font-weight: 500; border: none; cursor: pointer; letter-spacing: 0.03em; text-decoration: none; transition: background 0.2s; display: inline-block; }
.btn-dark:hover { background: var(--coral); color: var(--cream); }
.btn-coral { background: var(--coral); color: var(--cream); padding: 12px 28px; font-family: var(--sans); font-size: 13px; font-weight: 500; border: none; cursor: pointer; letter-spacing: 0.03em; text-decoration: none; transition: background 0.2s; display: inline-block; }
.btn-coral:hover { background: var(--coral-d); color: var(--cream); }
.btn-line { background: transparent; color: var(--ink); padding: 11px 28px; font-family: var(--sans); font-size: 13px; font-weight: 500; border: 1px solid var(--border-2); cursor: pointer; letter-spacing: 0.03em; text-decoration: none; transition: border-color 0.2s, color 0.2s; display: inline-block; }
.btn-line:hover { border-color: var(--coral); color: var(--coral); }

/* === TERMINAL (base) === */
.terminal { background: var(--ink); border-radius: 6px; padding: 24px 24px 20px; font-family: var(--mono); font-size: 12px; line-height: 1.85; cursor: text; height: 420px; max-height: 420px; display: flex; flex-direction: column; overflow: hidden; }
.term-bar { display: flex; align-items: center; gap: 6px; margin-bottom: 12px; flex-shrink: 0; }
.term-dot { width: 10px; height: 10px; border-radius: 50%; }
.t1 { background: #FF5F57; } .t2 { background: #FFBD2E; } .t3 { background: #28C840; }
.term-title { font-family: var(--mono); font-size: 11px; color: #555; margin-left: 12px; letter-spacing: 0.03em; }
#term-body { flex: 1; overflow-y: auto; min-height: 0; }
.t-p { color: #666; } .t-cmd { color: #F5F0E8; } .t-lbl { color: var(--coral); } .t-val { color: #9FE1CB; } .t-dim { color: #555; }
.term-line { display: block; line-height: 1.85; font-family: var(--mono); font-size: 12px; white-space: pre-wrap; word-break: break-word; color: var(--cream); }
.term-input-row { display: flex; align-items: center; font-family: var(--mono); font-size: 12px; padding-top: 6px; flex-shrink: 0; }
.term-input { background: transparent; border: none; outline: none; color: #F5F0E8; font-family: var(--mono); font-size: 12px; flex: 1; caret-color: var(--coral); padding: 0; margin: 0; }
#term-body::-webkit-scrollbar { width: 3px; }
#term-body::-webkit-scrollbar-track { background: transparent; }
#term-body::-webkit-scrollbar-thumb { background: #333; border-radius: 2px; }

/* === STATS === */
.stats { background: var(--ink); display: grid; grid-template-columns: repeat(5, 1fr); }
.stat { padding: 28px 20px; border-right: 1px solid #2C2C2A; text-align: center; }
.stat:last-child { border: none; }
.stat-n { font-family: var(--serif); font-size: 36px; color: var(--cream); font-weight: 700; line-height: 1; }
.stat-n span { color: var(--coral); font-size: 22px; }
.stat-l { font-family: var(--mono); font-size: 10px; color: var(--ink-4); margin-top: 6px; letter-spacing: 0.08em; text-transform: uppercase; }

/* === SECTIONS === */
section { padding: 88px 6%; }
.sec-label { display: flex; align-items: center; gap: 16px; margin-bottom: 52px; }
.sec-num { font-family: var(--mono); font-size: 11px; color: var(--coral); letter-spacing: 0.1em; }
h2 { font-family: var(--serif); font-size: clamp(26px, 3vw, 38px); font-weight: 700; letter-spacing: -0.02em; color: var(--ink); }

/* === CVE === */
.cve-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; background: var(--border); }
.cve-card { background: var(--cream); padding: 28px; position: relative; cursor: pointer; transition: background 0.2s; }
.cve-card:hover { background: #fff; }
.cve-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.cve-id { font-family: var(--mono); font-size: 12px; font-weight: 500; color: var(--ink); line-height: 1.4; }
.cvss { font-family: var(--mono); font-size: 10px; padding: 3px 8px; border-radius: 2px; white-space: nowrap; flex-shrink: 0; }
.c10 { background: var(--ink); color: var(--coral); }
.ch { background: var(--coral-l); color: var(--coral-d); }
.cm { background: var(--teal-l); color: var(--teal); }
.cve-title { font-size: 13px; font-weight: 500; margin-bottom: 10px; line-height: 1.5; color: var(--ink-2); }
.cve-tags { display: flex; gap: 6px; flex-wrap: wrap; padding-bottom: 28px; }
.ct { font-family: var(--mono); font-size: 10px; color: var(--ink-4); background: var(--cream-2); padding: 2px 7px; }
.cve-source { position: absolute; bottom: 14px; right: 16px; font-family: var(--mono); font-size: 10px; color: var(--ink-4); }
.cve-card:hover .cve-source { color: var(--coral); }

/* === PROJECTS === */
.proj-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 0; background: var(--border); }
.proj-card { background: var(--cream); padding: 24px 26px; cursor: pointer; transition: background 0.2s; display: flex; flex-direction: column; gap: 10px; }
.proj-card:hover { background: #fff; }
.proj-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.proj-name { font-family: var(--mono); font-size: 13px; font-weight: 500; color: var(--ink); }
.proj-cat { font-family: var(--mono); font-size: 10px; padding: 2px 8px; border-radius: 2px; }
.cat-sec { background: var(--coral-l); color: var(--coral-d); }
.cat-ai { background: var(--teal-l); color: var(--teal); }
.cat-dev { background: var(--cream-3); color: var(--ink-3); border: 1px solid var(--border); }
.cat-cve { background: var(--ink); color: var(--coral); }
.proj-desc { font-size: 13px; color: var(--ink-3); line-height: 1.6; flex: 1; }
.proj-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.pt { font-family: var(--mono); font-size: 10px; color: var(--ink-4); background: var(--cream-2); padding: 2px 7px; }
.proj-link { font-family: var(--mono); font-size: 10px; color: var(--coral); text-decoration: none; margin-top: 4px; align-self: flex-start; }
.proj-link:hover { text-decoration: underline; }

/* === EXPERIENCE === */
.exp-list { display: grid; gap: 0; border-top: 1px solid var(--border); }
.exp-row { display: grid; grid-template-columns: 200px 1fr; gap: 40px; padding: 36px 0; border-bottom: 1px solid var(--border); }
.exp-left { padding-top: 4px; }
.exp-company { font-family: var(--mono); font-size: 12px; color: var(--coral); margin-bottom: 4px; letter-spacing: 0.03em; }
.exp-date { font-family: var(--mono); font-size: 11px; color: var(--ink-4); }
.exp-right h3 { font-family: var(--serif); font-size: 19px; font-weight: 700; margin-bottom: 10px; color: var(--ink); }
.exp-right p { font-size: 14px; color: var(--ink-3); line-height: 1.75; }
.exp-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 12px; }
.etag { font-family: var(--mono); font-size: 10px; color: var(--ink-3); border: 1px solid var(--border); padding: 2px 8px; }

/* === CTF === */
.ctf-list { display: grid; gap: 0; border-top: 1px solid var(--border); }
.ctf-row { display: flex; align-items: center; gap: 24px; padding: 20px 0; border-bottom: 1px solid var(--border); }
.ctf-year { font-family: var(--mono); font-size: 11px; color: var(--ink-4); width: 52px; flex-shrink: 0; }
.ctf-name { font-size: 14px; font-weight: 500; flex: 1; color: var(--ink); }
.ctf-desc { font-size: 13px; color: var(--ink-3); flex: 2; }
.ctf-badge { font-family: var(--mono); font-size: 10px; padding: 3px 10px; white-space: nowrap; }
.gold { background: var(--ink); color: #FAC775; }
.part { background: var(--cream-3); color: var(--ink-3); border: 1px solid var(--border); }

/* === CERTS === */
.cert-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1px; background: var(--border); }
.cert-card { background: var(--cream-2); padding: 20px 22px; }
.cert-issuer { font-family: var(--mono); font-size: 10px; color: var(--coral); letter-spacing: 0.06em; margin-bottom: 8px; }
.cert-name { font-size: 14px; font-weight: 500; line-height: 1.4; margin-bottom: 6px; color: var(--ink); }
.cert-date { font-family: var(--mono); font-size: 10px; color: var(--ink-4); }

/* === BLOG === */
.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 0; background: var(--border); }
.blog-card { background: var(--cream); padding: 28px; cursor: pointer; transition: background 0.2s; display: flex; flex-direction: column; gap: 12px; }
.blog-card:hover { background: #fff; }
.blog-tag { font-family: var(--mono); font-size: 10px; color: var(--coral); letter-spacing: 0.06em; text-transform: uppercase; }
.blog-title { font-family: var(--serif); font-size: 16px; font-weight: 700; color: var(--ink); line-height: 1.4; }
.blog-desc { font-size: 13px; color: var(--ink-3); line-height: 1.6; flex: 1; }
.blog-date { font-family: var(--mono); font-size: 10px; color: var(--ink-4); }
.blog-link { font-family: var(--mono); font-size: 10px; color: var(--coral); text-decoration: none; }
.blog-link:hover { text-decoration: underline; }

/* === ABOUT === */
.about-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.about-text p { font-size: 16px; color: var(--ink-3); line-height: 1.9; margin-bottom: 20px; }
.about-text p strong { color: var(--ink); font-weight: 500; }
.tool-stacks { display: grid; gap: 0; border-top: 1px solid var(--border); }
.tool-row { display: grid; grid-template-columns: 140px 1fr; gap: 20px; padding: 16px 0; border-bottom: 1px solid var(--border); align-items: start; }
.tool-cat { font-family: var(--mono); font-size: 10px; color: var(--coral); letter-spacing: 0.06em; text-transform: uppercase; padding-top: 3px; }
.tool-pills { display: flex; flex-wrap: wrap; gap: 6px; }
.tp { font-family: var(--mono); font-size: 11px; color: var(--ink-2); background: var(--cream-2); border: 1px solid var(--border); padding: 3px 10px; }
.lang-pill { font-family: var(--mono); font-size: 11px; color: var(--ink-3); background: var(--cream-2); padding: 4px 12px; }
.edu-box { background: var(--cream-2); border: 1px solid var(--border); padding: 20px 22px; margin-top: 32px; }
.edu-label { font-family: var(--mono); font-size: 10px; color: var(--coral); letter-spacing: 0.06em; margin-bottom: 14px; }
.edu-school { font-size: 15px; font-weight: 500; margin-bottom: 4px; color: var(--ink); }
.edu-degree { font-size: 13px; color: var(--ink-3); margin-bottom: 4px; }
.edu-date { font-family: var(--mono); font-size: 11px; color: var(--ink-4); }

/* === CONTACT === */
.contact-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.contact-links { display: grid; gap: 0; border-top: 1px solid #2C2C2A; }
.contact-row { display: flex; align-items: center; justify-content: space-between; padding: 16px 0; border-bottom: 1px solid #2C2C2A; }
.contact-label { font-family: var(--mono); font-size: 11px; color: #555; letter-spacing: 0.06em; text-transform: uppercase; }
.contact-val { font-family: var(--mono); font-size: 12px; color: #888; text-decoration: none; transition: color 0.2s; }
.contact-val:hover { color: var(--coral); }

/* === FOOTER === */
footer { background: var(--ink); padding: 44px 6%; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 24px; }
.fl .logo { font-family: var(--mono); font-size: 13px; color: var(--cream); margin-bottom: 6px; }
.fl p { font-size: 12px; color: #555; }
.flinks { display: flex; gap: 20px; flex-wrap: wrap; }
.flinks a { font-family: var(--mono); font-size: 11px; color: #555; text-decoration: none; letter-spacing: 0.05em; transition: color 0.2s; }
.flinks a:hover { color: var(--coral); }

/* === UTILITIES === */
.mt-24 { margin-top: 24px; }
.text-center { text-align: center; }

/* ============================================
   RESPONSIVE — ordered: 1024 → 860 → 640
   ============================================ */

@media (max-width: 1024px) {
  .cve-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  /* Nav: hamburger */
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed; top: 54px; left: 0; right: 0;
    background: rgba(245,240,232,0.98); backdrop-filter: blur(8px);
    flex-direction: column; gap: 0; padding: 0;
    max-height: 0; overflow: hidden; transition: max-height 0.3s ease;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open { max-height: 400px; }
  .nav-links li { border-bottom: 1px solid var(--border); }
  .nav-links a { display: block; padding: 14px 6%; font-size: 13px; }

  /* Hero: single column */
  .hero { grid-template-columns: 1fr; padding-top: 90px; gap: 40px; }

  /* Stats: 3 columns */
  .stats { grid-template-columns: repeat(3, 1fr); }
  .stat { padding: 24px 16px; }
  .stat-n { font-size: 28px; }
  .stat-n span { font-size: 18px; }

  /* Experience: stack */
  .exp-row { grid-template-columns: 1fr; gap: 8px; }

  /* CTF: stack vertically */
  .ctf-row { flex-direction: column; align-items: flex-start; gap: 8px; }
  .ctf-year { width: auto; }
  .ctf-desc { flex: none; }

  /* About & Contact: single column */
  .about-wrap { grid-template-columns: 1fr; gap: 48px; }
  .contact-wrap { grid-template-columns: 1fr; gap: 48px; }

  /* Tools: stack */
  .tool-row { grid-template-columns: 1fr; gap: 6px; }

  /* Terminal: smaller */
  .terminal { height: 360px; max-height: 360px; }
}

@media (max-width: 640px) {
  /* Section padding */
  section { padding: 60px 5%; }
  .sec-label { margin-bottom: 36px; }

  /* CVE: single column */
  .cve-grid { grid-template-columns: 1fr; }

  /* Project, Blog, Cert: single column */
  .proj-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr; }

  /* Stats: 2 columns + smaller */
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat-n { font-size: 24px; }
  .stat-n span { font-size: 16px; }
  .stat-l { font-size: 9px; }

  /* Terminal: even smaller */
  .terminal { height: 300px; max-height: 300px; padding: 16px 16px 14px; }
  .term-line { font-size: 11px; }
  .term-input { font-size: 11px; }
  .term-input-row { font-size: 11px; }

  /* Hero adjustments */
  .hero { padding: 80px 5% 60px; gap: 32px; min-height: auto; }
  .hero-desc { font-size: 14px; }
  .hero-ctas { gap: 8px; }
  .btn-dark, .btn-coral, .btn-line { padding: 10px 20px; font-size: 12px; }

  /* Contact on mobile */
  .contact-row { flex-direction: column; align-items: flex-start; gap: 4px; padding: 12px 0; }

  /* Footer */
  footer { padding: 32px 5%; flex-direction: column; align-items: flex-start; }
  .flinks { gap: 14px; }
}