/* ============================================================
   ULAŞ KILIVAN — KİŞİSEL WEB SİTESİ  |  styles.css
   ============================================================ */

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

:root {
  --bg:          #050810;
  --bg-2:        #0a0f1e;
  --bg-card:     rgba(255,255,255,0.04);
  --bg-card-hov: rgba(255,255,255,0.08);
  --border:      rgba(255,255,255,0.08);
  --border-hov:  rgba(99,179,237,0.4);
  --text:        #e8eaf6;
  --text-muted:  rgba(232,234,246,0.55);
  --accent:      #6366f1;
  --accent-2:    #a855f7;
  --accent-3:    #06b6d4;
  --accent-green:#22c55e;
  --accent-amber:#f59e0b;
  --accent-rose: #f43f5e;
  --grad:        linear-gradient(135deg,#6366f1,#a855f7);
  --grad-hover:  linear-gradient(135deg,#818cf8,#c084fc);
  --shadow:      0 8px 40px rgba(0,0,0,0.5);
  --radius:      14px;
  --radius-sm:   9px;
  --transition:  0.35s cubic-bezier(0.4,0,0.2,1);
  --font:        'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
}

html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  font-family: var(--font); background: var(--bg); color: var(--text);
  line-height: 1.65; overflow-x: hidden; -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a   { color: inherit; text-decoration: none; }
ul  { list-style: none; }

.container { width: min(1200px, 92vw); margin-inline: auto; }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }

/* ============================================================
   REVEAL
   ============================================================ */
.reveal-up, .reveal-left, .reveal-right {
  opacity: 0; transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-up    { transform: translateY(44px); }
.reveal-left  { transform: translateX(-44px); }
.reveal-right { transform: translateX(44px); }
.reveal-up.visible, .reveal-left.visible, .reveal-right.visible {
  opacity: 1; transform: translate(0);
}
[style*="--delay"] { transition-delay: var(--delay,0s); }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: 18px 0;
  transition: padding var(--transition), background var(--transition), box-shadow var(--transition);
}
.navbar.scrolled {
  padding: 10px 0; background: rgba(5,8,16,0.78);
  backdrop-filter: blur(20px) saturate(180%); -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 1px 0 var(--border), 0 8px 32px rgba(0,0,0,0.3);
}
.navbar-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: clamp(12px, 2vw, 22px);
  width: min(1200px, 92vw); margin-inline: auto;
}
.navbar-leading {
  display: flex; align-items: center; gap: 10px;
  flex-shrink: 0;
}
.navbar-trail {
  display: flex; align-items: center; gap: 12px;
  flex-shrink: 0; justify-self: end;
}
.navbar-logo {
  font-size: 1.25rem; font-weight: 800; letter-spacing: -0.5px;
  background: var(--grad); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text; flex-shrink: 0;
}
.navbar-nav {
  display: flex; align-items: center; justify-content: center;
  gap: clamp(16px, 2.2vw, 28px);
  flex-wrap: wrap;
  justify-self: center;
  min-width: 0;
}
.navbar-nav a {
  font-size: 0.875rem; font-weight: 500; color: var(--text-muted);
  transition: color var(--transition); position: relative;
}
.navbar-nav a::after {
  content: ''; position: absolute; bottom: -3px; left: 0; right: 0;
  height: 2px; background: var(--grad); border-radius: 2px;
  transform: scaleX(0); transition: transform var(--transition);
}
.navbar-nav a:hover, .navbar-nav a.active { color: #fff; }
.navbar-nav a:hover::after, .navbar-nav a.active::after { transform: scaleX(1); }

/* ============================================================
   LANGUAGE SWITCH (TR / EN) — kaydırmalı segment
   ============================================================ */
.lang-switch {
  --ls-pad: 3px;
  --ls-gap: 4px;
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--ls-gap);
  align-items: stretch;
  width: 108px;
  padding: var(--ls-pad);
  border-radius: 99px;
  background: rgba(108,99,255,0.08);
  border: 1px solid rgba(108,99,255,0.35);
  flex-shrink: 0;
}
.lang-switch-thumb {
  position: absolute;
  top: var(--ls-pad);
  left: var(--ls-pad);
  width: calc((100% - 2 * var(--ls-pad) - var(--ls-gap)) / 2);
  height: calc(100% - 2 * var(--ls-pad));
  border-radius: 99px;
  background: var(--grad);
  box-shadow: 0 2px 14px rgba(99,102,241,0.4);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 0;
  pointer-events: none;
}
.lang-switch[data-lang="en"] .lang-switch-thumb {
  transform: translateX(calc(100% + var(--ls-gap)));
}
.lang-switch-btn {
  position: relative;
  z-index: 1;
  border: none;
  background: none;
  cursor: pointer;
  font-size: 0.76rem;
  font-weight: 700;
  font-family: var(--font);
  letter-spacing: 0.06em;
  padding: 7px 0;
  border-radius: 99px;
  color: var(--text-muted);
  transition: color 0.25s ease;
}
.lang-switch-btn.is-active {
  color: #fff;
}
.lang-switch-btn:hover:not(.is-active) {
  color: rgba(232,234,246,0.85);
}
.lang-switch-btn:focus-visible {
  outline: 2px solid rgba(129,140,248,0.95);
  outline-offset: 2px;
}

/* Blog pill — navbar'da ayrı sayfaya gittiğini gösteren buton */
.navbar-nav a.nav-blog-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 14px; border-radius: 99px;
  border: 1px solid rgba(108,99,255,0.45);
  background: rgba(108,99,255,0.08);
  color: var(--accent-start) !important;
  font-weight: 600; font-size: 0.82rem; letter-spacing: 0.01em;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
.navbar-nav a.nav-blog-pill::after { display: none; }
.navbar-nav a.nav-blog-pill:hover {
  background: rgba(108,99,255,0.2) !important;
  border-color: var(--accent-start) !important;
  transform: translateY(-1px);
}
.navbar-nav a.nav-blog-pill i { font-size: 11px; }

.btn-cv {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 9px 18px; border-radius: 50px;
  min-width: 158px;
  box-sizing: border-box;
  background: var(--grad); color: #fff; font-size: 0.85rem; font-weight: 600;
  white-space: nowrap; box-shadow: 0 4px 20px rgba(99,102,241,0.4);
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}
.btn-cv:hover { background: var(--grad-hover); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(99,102,241,0.55); }

.navbar-burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; z-index: 1100; }
.navbar-burger span { display: block; width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }
.navbar-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar-burger.open span:nth-child(2) { opacity: 0; }
.navbar-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; overflow: hidden; padding-top: 80px; }
.hero-bg { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }

.orb { position: absolute; border-radius: 50%; filter: blur(80px); animation: float-orb 8s ease-in-out infinite; }
.orb-1 { width: 500px; height: 500px; background: radial-gradient(circle,rgba(99,102,241,0.25) 0%,transparent 70%); top: -100px; right: 5%; animation-duration: 9s; }
.orb-2 { width: 400px; height: 400px; background: radial-gradient(circle,rgba(168,85,247,0.2) 0%,transparent 70%); bottom: 0; left: -100px; animation-duration: 12s; animation-delay: -3s; }
.orb-3 { width: 300px; height: 300px; background: radial-gradient(circle,rgba(6,182,212,0.15) 0%,transparent 70%); top: 30%; left: 40%; animation-duration: 7s; animation-delay: -6s; }
@keyframes float-orb {
  0%, 100% { transform: translate(0,0) scale(1); }
  33%       { transform: translate(30px,-30px) scale(1.05); }
  66%       { transform: translate(-20px,20px) scale(0.95); }
}

.hero-content { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 48px; padding-block: 55px; position: relative; z-index: 1; }

.hero-greeting { font-size: 0.9rem; font-weight: 500; color: var(--accent-3); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 10px; }
.hero-name { font-size: clamp(2.6rem,6vw,4.8rem); font-weight: 900; line-height: 1.05; letter-spacing: -2px; background: linear-gradient(135deg,#fff 30%,rgba(255,255,255,0.6)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; margin-bottom: 14px; }
.hero-titles { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; margin-bottom: 16px; }
.title-badge { font-size: 0.9rem; font-weight: 600; padding: 5px 15px; border-radius: 50px; background: rgba(99,102,241,0.15); border: 1px solid rgba(99,102,241,0.35); color: #a5b4fc; }
.title-badge.secondary { background: rgba(168,85,247,0.12); border-color: rgba(168,85,247,0.3); color: #d8b4fe; }
.title-separator { color: var(--text-muted); }
.hero-tagline { font-size: 1rem; color: var(--text-muted); max-width: 480px; margin-bottom: 26px; }

.social-links { display: flex; gap: 10px; margin-bottom: 28px; }
.social-link {
  width: 42px; height: 42px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: var(--bg-card); border: 1px solid var(--border); color: var(--text-muted); font-size: 0.95rem;
  transition: transform var(--transition), color var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.social-link:hover { transform: translateY(-4px); color: #fff; background: rgba(99,102,241,0.2); border-color: rgba(99,102,241,0.5); box-shadow: 0 8px 24px rgba(99,102,241,0.25); }

.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

.btn-primary { display: inline-flex; align-items: center; gap: 8px; padding: 13px 30px; border-radius: 50px; background: var(--grad); color: #fff; font-size: 0.92rem; font-weight: 600; border: none; cursor: pointer; box-shadow: 0 4px 20px rgba(99,102,241,0.4); transition: transform var(--transition), box-shadow var(--transition), background var(--transition); }
.btn-primary:hover { background: var(--grad-hover); transform: translateY(-3px); box-shadow: 0 10px 32px rgba(99,102,241,0.55); }
.btn-primary.btn-full { width: 100%; justify-content: center; }

.btn-ghost { display: inline-flex; align-items: center; gap: 8px; padding: 13px 30px; border-radius: 50px; background: transparent; color: var(--text); font-size: 0.92rem; font-weight: 600; border: 1px solid var(--border); cursor: pointer; transition: var(--transition); }
.btn-ghost:hover { background: var(--bg-card); border-color: var(--border-hov); transform: translateY(-3px); }

.hero-right { display: flex; justify-content: center; }
/* Geoid oval çerçeve — dikdörtgen container + %50 border-radius = gerçek elips */
.photo-frame {
  position: relative;
  width: clamp(220px, 26vw, 330px);
  height: clamp(290px, 34vw, 430px);
  animation: float 6s ease-in-out infinite;
}
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-16px); } }
.profile-photo {
  width: 100%; height: 100%;
  border-radius: 50%;
  object-fit: cover;
  object-position: top center;
  position: relative; z-index: 2;
  border: 3px solid rgba(255,255,255,0.10);
}
.photo-glow { position: absolute; inset: -20px; background: var(--grad); border-radius: 50%; filter: blur(40px); opacity: 0.28; z-index: 0; animation: glow-pulse 4s ease-in-out infinite; }
@keyframes glow-pulse { 0%, 100% { opacity: 0.28; transform: scale(1); } 50% { opacity: 0.42; transform: scale(1.05); } }
.photo-ring { position: absolute; inset: -10px; border-radius: 50%; border: 2px solid transparent; background: var(--grad) border-box; -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0); mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0); -webkit-mask-composite: destination-out; mask-composite: exclude; opacity: 0.65; z-index: 1; }

.scroll-indicator { position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%); width: 26px; height: 44px; border: 2px solid var(--border); border-radius: 13px; display: flex; justify-content: center; padding-top: 7px; animation: fade-in 1s 2s both; }
.scroll-indicator span { width: 4px; height: 7px; background: var(--accent); border-radius: 2px; animation: scroll-down 2s ease-in-out infinite; }
@keyframes scroll-down { 0% { opacity: 1; transform: translateY(0); } 100% { opacity: 0; transform: translateY(14px); } }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }

/* ============================================================
   SECTIONS  (compakt spacing)
   ============================================================ */
.section      { padding: 80px 0; }
.section-dark { background: var(--bg-2); }
.section-header { text-align: center; margin-bottom: 44px; }
.section-tag { font-size: 0.78rem; font-weight: 600; letter-spacing: 3px; text-transform: uppercase; color: var(--accent); display: block; margin-bottom: 10px; }
.section-title { font-size: clamp(1.8rem,3.5vw,2.8rem); font-weight: 800; letter-spacing: -1px; background: linear-gradient(135deg,#fff 40%,rgba(255,255,255,0.5)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* ============================================================
   HAKKIMDA
   ============================================================ */
.about-grid { display: grid; grid-template-columns: 3fr 2fr; gap: 48px; align-items: start; }
.about-text p { color: var(--text-muted); font-size: 1rem; line-height: 1.82; margin-bottom: 16px; }
.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* Stat cards - clickable */
a.stat-card { display: block; text-decoration: none; cursor: pointer; }
.stat-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px 16px; text-align: center; transition: var(--transition);
}
.stat-card:hover { background: var(--bg-card-hov); border-color: var(--border-hov); transform: translateY(-4px); box-shadow: 0 12px 32px rgba(99,102,241,0.15); }
.stat-number { display: block; font-size: 2.3rem; font-weight: 800; letter-spacing: -1px; background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat-label  { font-size: 0.78rem; color: var(--text-muted); font-weight: 500; margin-top: 4px; display: block; }

/* ============================================================
   YETENEKLER — BENTO GRID
   ============================================================ */
.skills-bento {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  grid-template-areas:
    "prog  ai"
    "prog  lang"
    "soft  soft";
  gap: 16px;
}
.bento-prog { grid-area: prog; }
.bento-ai   { grid-area: ai; }
.bento-lang { grid-area: lang; }
.bento-soft { grid-area: soft; }

.bento-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; transition: var(--transition); }
.bento-card:hover { background: var(--bg-card-hov); border-color: var(--border-hov); transform: translateY(-4px); box-shadow: 0 16px 40px rgba(0,0,0,0.3); }
.bento-card-header { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.bento-card-header h3 { font-size: 1rem; font-weight: 700; }

.bento-icon-wrap { width: 42px; height: 42px; border-radius: 10px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; }
.ic-blue   { background: rgba(99,102,241,0.15);  border: 1px solid rgba(99,102,241,0.3);  color: var(--accent); }
.ic-purple { background: rgba(168,85,247,0.15);  border: 1px solid rgba(168,85,247,0.3);  color: var(--accent-2); }
.ic-cyan   { background: rgba(6,182,212,0.15);   border: 1px solid rgba(6,182,212,0.3);   color: var(--accent-3); }
.ic-rose   { background: rgba(244,63,94,0.15);   border: 1px solid rgba(244,63,94,0.3);   color: var(--accent-rose); }

/* Skill bars */
.skill-list { display: flex; flex-direction: column; gap: 14px; }
.skill-item { display: flex; flex-direction: column; gap: 5px; }
.skill-meta { display: flex; justify-content: space-between; align-items: center; }
.skill-name { font-size: 0.85rem; color: var(--text-muted); font-weight: 500; }
.skill-pct  { font-size: 0.73rem; color: var(--text-muted); font-weight: 500; }
.skill-bar  { height: 5px; background: rgba(255,255,255,0.08); border-radius: 3px; overflow: hidden; }
.skill-fill { height: 100%; border-radius: 3px; background: var(--grad); width: 0; transition: width 1.2s cubic-bezier(0.4,0,0.2,1); }

/* Tool chips row (inside bento-prog) */
.tool-chips-row { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--border); }
.tool-chip { font-size: 0.74rem; font-weight: 500; padding: 4px 10px; border-radius: 50px; background: rgba(99,102,241,0.09); border: 1px solid rgba(99,102,241,0.18); color: #a5b4fc; }

/* AI chips */
.ai-chips { display: flex; flex-wrap: wrap; gap: 9px; }
.ai-chip { display: flex; align-items: center; gap: 6px; font-size: 0.8rem; font-weight: 500; padding: 7px 13px; border-radius: 50px; background: rgba(168,85,247,0.12); border: 1px solid rgba(168,85,247,0.25); color: #d8b4fe; transition: var(--transition); }
.ai-chip:hover { background: rgba(168,85,247,0.22); border-color: rgba(168,85,247,0.45); transform: scale(1.05); }

/* Language list */
.lang-list { display: flex; flex-direction: column; gap: 12px; }
.lang-item { display: flex; align-items: center; gap: 11px; padding: 11px 14px; background: rgba(255,255,255,0.04); border-radius: 9px; border: 1px solid rgba(255,255,255,0.06); }
.lang-flag  { font-size: 1.45rem; line-height: 1; }
.lang-info  { flex: 1; }
.lang-name  { display: block; font-size: 0.88rem; font-weight: 600; }
.lang-level { display: block; font-size: 0.73rem; color: var(--text-muted); }
.lang-badge { font-size: 0.7rem; font-weight: 700; padding: 3px 9px; border-radius: 6px; border: 1px solid; }
.lang-badge.c1     { background: rgba(99,102,241,0.15); border-color: rgba(99,102,241,0.3); color: #a5b4fc; }
.lang-badge.native { background: rgba(168,85,247,0.15); border-color: rgba(168,85,247,0.3); color: #d8b4fe; }

/* Soft skills chips */
.soft-chips { display: flex; flex-wrap: wrap; gap: 9px; }
.soft-chip {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 0.8rem; font-weight: 500; padding: 7px 14px; border-radius: 50px;
  background: rgba(244,63,94,0.1); border: 1px solid rgba(244,63,94,0.22); color: #fda4af;
  transition: var(--transition);
}
.soft-chip:hover { background: rgba(244,63,94,0.2); border-color: rgba(244,63,94,0.45); transform: scale(1.04); }

/* ============================================================
   PROJELER
   ============================================================ */
.projects-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.projects-loading { grid-column:1/-1; text-align:center; padding:40px; color:var(--text-muted); font-size:18px; }
.project-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px 22px; display: flex; flex-direction: column; gap: 14px; transition: var(--transition); }
.project-card:hover { background: var(--bg-card-hov); border-color: var(--border-hov); transform: translateY(-8px); box-shadow: 0 24px 56px rgba(0,0,0,0.35); }
.project-card-top { display: flex; align-items: flex-start; justify-content: space-between; }
.project-icon { width: 48px; height: 48px; border-radius: var(--radius-sm); background: rgba(99,102,241,0.12); border: 1px solid rgba(99,102,241,0.25); display: flex; align-items: center; justify-content: center; font-size: 1.3rem; color: var(--accent); }
.project-links { display: flex; gap: 8px; }
.project-link { width: 34px; height: 34px; border-radius: 50%; background: var(--bg-card); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; color: var(--text-muted); font-size: 0.82rem; transition: var(--transition); }
.project-link:hover { color: #fff; background: rgba(99,102,241,0.2); border-color: rgba(99,102,241,0.4); }
.project-title { font-size: 1.05rem; font-weight: 700; }
.project-desc  { font-size: 0.88rem; color: var(--text-muted); line-height: 1.7; flex: 1; }
.project-tags  { display: flex; flex-wrap: wrap; gap: 7px; }
.project-tags span { font-size: 0.73rem; font-weight: 500; padding: 3px 11px; border-radius: 50px; background: rgba(6,182,212,0.1); border: 1px solid rgba(6,182,212,0.2); color: #67e8f9; }

/* ============================================================
   DENEYİM — TİMELINE
   ============================================================ */
.timeline { position: relative; max-width: 760px; margin-inline: auto; padding-left: 36px; }
.timeline::before { content: ''; position: absolute; left: 9px; top: 0; bottom: 0; width: 2px; background: linear-gradient(to bottom,var(--accent),var(--accent-2),transparent); border-radius: 1px; }
.timeline-item { position: relative; margin-bottom: 32px; }
.timeline-item:last-child { margin-bottom: 0; }
.timeline-dot { position: absolute; left: -32px; top: 8px; width: 13px; height: 13px; border-radius: 50%; background: var(--grad); box-shadow: 0 0 0 4px rgba(99,102,241,0.2); }
.timeline-content { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px 26px; transition: var(--transition); }
.timeline-content:hover { background: var(--bg-card-hov); border-color: var(--border-hov); transform: translateX(5px); box-shadow: var(--shadow); }
.timeline-meta { display: flex; align-items: center; gap: 11px; margin-bottom: 8px; flex-wrap: wrap; }
.timeline-date { font-size: 0.78rem; color: var(--accent-3); font-weight: 500; display: flex; align-items: center; gap: 6px; }
.timeline-badge { font-size: 0.7rem; font-weight: 600; padding: 3px 9px; border-radius: 50px; border: 1px solid; }
.badge-work     { background: rgba(99,102,241,0.12); border-color: rgba(99,102,241,0.3); color: #a5b4fc; }
.badge-intern   { background: rgba(168,85,247,0.12); border-color: rgba(168,85,247,0.3); color: #d8b4fe; }
.badge-volunteer{ background: rgba(34,197,94,0.12);  border-color: rgba(34,197,94,0.3);  color: #86efac; }
.badge-club     { background: rgba(6,182,212,0.12);  border-color: rgba(6,182,212,0.3);  color: #67e8f9; }
.badge-event    { background: rgba(245,158,11,0.12); border-color: rgba(245,158,11,0.3); color: #fbbf24; }

.timeline-role    { font-size: 1.08rem; font-weight: 700; margin-bottom: 3px; }
.timeline-company { font-size: 0.88rem; color: var(--accent); font-weight: 500; margin-bottom: 12px; display: block; }
.timeline-company-link { text-decoration: none; transition: color var(--transition); display: inline-flex; align-items: center; }
.timeline-company-link:hover { color: #818cf8; }
.timeline-desc { display: flex; flex-direction: column; gap: 7px; }
.timeline-desc li { font-size: 0.87rem; color: var(--text-muted); display: flex; align-items: flex-start; gap: 9px; line-height: 1.6; }
.timeline-desc li::before { content: ''; flex-shrink: 0; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); margin-top: 7px; }

/* ============================================================
   EĞİTİM — Yatay Kart
   ============================================================ */
.edu-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.edu-card { display: flex; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: var(--transition); }
.edu-card:hover { background: var(--bg-card-hov); border-color: var(--border-hov); transform: translateY(-5px); box-shadow: 0 20px 48px rgba(0,0,0,0.3); }
.edu-accent { width: 5px; flex-shrink: 0; background: linear-gradient(to bottom,#6366f1,#a855f7); }
.edu-accent.secondary { background: linear-gradient(to bottom,#a855f7,#ec4899); }
.edu-body { padding: 20px 22px 20px 20px; flex: 1; }
.edu-top  { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 16px; }
.edu-icon { width: 46px; height: 46px; border-radius: 11px; flex-shrink: 0; background: rgba(99,102,241,0.12); border: 1px solid rgba(99,102,241,0.25); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; color: var(--accent); }
.edu-icon.secondary { background: rgba(168,85,247,0.12); border-color: rgba(168,85,247,0.25); color: var(--accent-2); }
.edu-info   { flex: 1; }
.edu-degree { font-size: 1.05rem; font-weight: 700; margin-bottom: 4px; }
.edu-school { font-size: 0.87rem; color: var(--accent); font-weight: 500; display: block; }
.edu-card.secondary .edu-school { color: var(--accent-2); }
.edu-year   { text-align: right; flex-shrink: 0; }
.edu-year span { display: block; font-size: 1.3rem; font-weight: 800; background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.edu-year small { font-size: 0.68rem; color: var(--text-muted); }
.edu-tags { display: flex; flex-wrap: wrap; gap: 7px; }
.edu-tag {
  font-size: 0.75rem; font-weight: 500; padding: 4px 11px; border-radius: 50px;
  background: rgba(99,102,241,0.1); border: 1px solid rgba(99,102,241,0.2);
  color: #a5b4fc; display: inline-flex; align-items: center; gap: 6px;
}
.edu-tag.secondary { background: rgba(168,85,247,0.1); border-color: rgba(168,85,247,0.2); color: #d8b4fe; }

a.edu-tag, .edu-tag-link { text-decoration: none; transition: var(--transition); }
a.edu-tag:hover, .edu-tag-link:hover { background: rgba(99,102,241,0.2); border-color: rgba(99,102,241,0.4); transform: translateY(-1px); }

/* ============================================================
   SERTİFİKALAR — Rozet Kart
   ============================================================ */
.cert-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.cert-card { position: relative; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; display: flex; flex-direction: column; gap: 12px; overflow: hidden; transition: var(--transition); }
.cert-card:hover { background: var(--bg-card-hov); border-color: var(--border-hov); transform: translateY(-5px); box-shadow: 0 16px 40px rgba(0,0,0,0.3); }

/* Tam genişlik featured kart */
.cert-featured { grid-column: 1 / -1; flex-direction: row; align-items: center; gap: 20px; }
.cert-featured .cert-body { flex: 1; }

.cert-ribbon { position: absolute; top: 0; right: 0; width: 0; height: 0; border-style: solid; border-width: 0 50px 50px 0; border-color: transparent rgba(99,102,241,0.22) transparent transparent; }
.cert-ribbon.honor { border-color: transparent rgba(245,158,11,0.32) transparent transparent; }

.cert-icon-wrap { width: 46px; height: 46px; border-radius: 50%; flex-shrink: 0; background: rgba(99,102,241,0.12); border: 2px solid rgba(99,102,241,0.3); display: flex; align-items: center; justify-content: center; font-size: 1.1rem; color: var(--accent); }
.cert-card.honor .cert-icon-wrap { background: rgba(245,158,11,0.12); border-color: rgba(245,158,11,0.3); color: var(--accent-amber); }
.cert-body { flex: 1; }
.cert-issuer { font-size: 0.72rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; color: var(--accent); display: block; margin-bottom: 5px; }
.cert-card.honor .cert-issuer { color: var(--accent-amber); }
.cert-title { font-size: 0.9rem; font-weight: 600; line-height: 1.5; }
.cert-footer { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.cert-badge { align-self: flex-start; font-size: 0.7rem; font-weight: 600; padding: 3px 10px; border-radius: 50px; background: rgba(99,102,241,0.12); border: 1px solid rgba(99,102,241,0.25); color: #a5b4fc; }
.cert-card.honor .cert-badge { background: rgba(245,158,11,0.12); border-color: rgba(245,158,11,0.3); color: #fbbf24; }
.cert-ext-link { font-size: 0.7rem; font-weight: 600; color: var(--accent-3); display: inline-flex; align-items: center; gap: 5px; transition: color var(--transition); }
.cert-ext-link:hover { color: #fff; }

/* ============================================================
   İLETİŞİM
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 5fr 7fr; gap: 50px; align-items: start; }
.contact-intro { font-size: 1rem; color: var(--text-muted); line-height: 1.8; margin-bottom: 28px; }
.contact-details { display: flex; flex-direction: column; gap: 16px; margin-bottom: 28px; }
.contact-details li { display: flex; align-items: center; gap: 14px; }
.contact-icon { width: 42px; height: 42px; border-radius: 50%; background: rgba(99,102,241,0.12); border: 1px solid rgba(99,102,241,0.25); display: flex; align-items: center; justify-content: center; font-size: 0.95rem; color: var(--accent); flex-shrink: 0; }
.contact-label { font-size: 0.73rem; text-transform: uppercase; letter-spacing: 1px; color: var(--text-muted); display: block; margin-bottom: 2px; }
.contact-value { font-size: 0.92rem; font-weight: 500; }
.contact-value.available { color: #4ade80; display: flex; align-items: center; gap: 8px; }
.contact-social { display: flex; gap: 10px; }

.pulse-dot { width: 8px; height: 8px; background: #4ade80; border-radius: 50%; display: inline-block; animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(74,222,128,0.6); } 50% { box-shadow: 0 0 0 6px rgba(74,222,128,0); } }

.contact-form { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { display: flex; flex-direction: column; gap: 7px; }
.form-group label { font-size: 0.76rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }
.form-group input, .form-group textarea { background: rgba(255,255,255,0.04); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 11px 14px; color: var(--text); font-family: var(--font); font-size: 0.92rem; outline: none; transition: var(--transition); resize: vertical; }
.form-group input::placeholder, .form-group textarea::placeholder { color: rgba(255,255,255,0.22); }
.form-group input:focus, .form-group textarea:focus { border-color: var(--accent); background: rgba(99,102,241,0.06); box-shadow: 0 0 0 3px rgba(99,102,241,0.15); }
.form-success, .form-error { display: none; align-items: center; gap: 10px; font-size: 0.88rem; font-weight: 500; padding: 11px 14px; border-radius: var(--radius-sm); }
.form-success { color: #4ade80; background: rgba(74,222,128,0.1); border: 1px solid rgba(74,222,128,0.2); }
.form-error   { color: #f87171; background: rgba(248,113,113,0.1); border: 1px solid rgba(248,113,113,0.2); }
.form-success.show, .form-error.show { display: flex; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { border-top: 1px solid var(--border); padding: 22px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-copy { font-size: 0.82rem; color: var(--text-muted); }
.footer-social { display: flex; gap: 14px; }
.footer-social a { color: var(--text-muted); font-size: 0.95rem; transition: color var(--transition), transform var(--transition); }
.footer-social a:hover { color: #fff; transform: translateY(-3px); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .projects-grid { grid-template-columns: 1fr 1fr; }
  .skills-bento {
    grid-template-columns: 1fr 1fr;
    grid-template-areas: "prog ai" "prog lang" "soft soft";
  }
}

@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .section-header { margin-bottom: 32px; }

  .navbar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
  }
  .navbar-nav {
    position: fixed; top: 0; right: 0; width: 270px; height: 100svh;
    background: rgba(5,8,16,0.97); backdrop-filter: blur(20px);
    flex-direction: column; align-items: flex-start; justify-content: center;
    gap: 26px; padding: 36px; border-left: 1px solid var(--border);
    transform: translateX(110%); transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
  }
  .navbar-burger { display: flex; }
  .navbar-nav.open { transform: translateX(0); }
  .navbar-nav a { font-size: 1.05rem; }
  .btn-cv { padding: 8px 12px; font-size: 0.78rem; min-width: 132px; }

  .hero-content { grid-template-columns: 1fr; text-align: center; gap: 36px; padding-block: 50px 36px; }
  .hero-titles  { justify-content: center; }
  .social-links { justify-content: center; }
  .hero-cta     { justify-content: center; }
  .hero-right   { order: -1; }
  .photo-frame  { width: 200px; height: 200px; }

  .about-grid     { grid-template-columns: 1fr; gap: 32px; }
  .projects-grid  { grid-template-columns: 1fr; }
  .skills-bento   { grid-template-columns: 1fr; grid-template-areas: "prog" "ai" "lang" "soft"; }
  .timeline       { padding-left: 26px; }
  .timeline-dot   { left: -22px; }
  .edu-grid       { grid-template-columns: 1fr; }
  .cert-grid      { grid-template-columns: 1fr; }
  .cert-featured  { flex-direction: column; }
  .contact-grid   { grid-template-columns: 1fr; gap: 32px; }
  .contact-form   { padding: 22px 16px; }
  .form-row       { grid-template-columns: 1fr; }
  .footer-inner   { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero-name   { font-size: 2.2rem; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .stat-card   { padding: 18px 12px; }
  .stat-number { font-size: 2rem; }
  .edu-top     { flex-wrap: wrap; }
}