/* =====================================================================
   Mahmut Ünüvar — Tek Sayfa Portfolyo
   assets/css/style.css
   ===================================================================== */

/* ---------- 1. Tasarım Değişkenleri ---------- */
:root {
  --bg:            #0b1120;
  --bg-alt:        #0f172a;
  --surface:       rgba(30, 41, 59, 0.55);
  --surface-solid: #1e293b;
  --border:        rgba(148, 163, 184, 0.16);
  --border-strong: rgba(148, 163, 184, 0.32);

  --text:          #e2e8f0;
  --text-dim:      #94a3b8;
  --text-faint:    #64748b;

  --primary:       #10b981;
  --primary-hover: #059669;
  --accent:        #3b82f6;
  --danger:        #ef4444;

  --grad: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);

  --radius-sm: 8px;
  --radius:    14px;
  --radius-lg: 22px;
  --radius-full: 999px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, .25);
  --shadow:    0 10px 30px rgba(0, 0, 0, .35);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, .5);

  --nav-h: 68px;
  --ease: cubic-bezier(.22, 1, .36, 1);
  --speed: .35s;

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --mono: ui-monospace, 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
}

[data-theme="light"] {
  --bg:            #f8fafc;
  --bg-alt:        #eef2f7;
  --surface:       rgba(255, 255, 255, 0.75);
  --surface-solid: #ffffff;
  --border:        rgba(15, 23, 42, 0.10);
  --border-strong: rgba(15, 23, 42, 0.20);

  --text:          #0f172a;
  --text-dim:      #475569;
  --text-faint:    #94a3b8;

  --primary:       #059669;
  --primary-hover: #047857;
  --accent:        #2563eb;

  --shadow-sm: 0 2px 8px rgba(15, 23, 42, .07);
  --shadow:    0 10px 30px rgba(15, 23, 42, .10);
  --shadow-lg: 0 24px 60px rgba(15, 23, 42, .18);
}

/* ---------- 2. Reset ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 16px); }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background var(--speed) var(--ease), color var(--speed) var(--ease);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; color: inherit; }
button { background: none; border: none; cursor: pointer; }
svg { width: 1em; height: 1em; }
ul { list-style: none; }

::selection { background: var(--primary); color: #fff; }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg-alt); }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; border-radius: 4px; }

.skip-link {
  position: absolute; top: -60px; left: 12px; z-index: 200;
  background: var(--primary); color: #fff;
  padding: 10px 18px; border-radius: var(--radius-sm);
  transition: top .2s;
}
.skip-link:focus { top: 12px; }

.hidden { display: none !important; }

/* Ekran okuyuculara ve arama motorlarına açık, görsel olarak gizli içerik */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* ---------- 3. Three.js Canvas ---------- */
#bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 1.2s ease;
}
#bg-canvas.ready { opacity: 1; }

/* Hero geçildikten sonra arka plan geri çekilsin, içerik öne çıksın */
body.past-hero #bg-canvas { opacity: .2; }

#navbar, main, footer, .modal, .lightbox, .toast-host { position: relative; z-index: 1; }

/* ---------- 4. Yardımcılar ---------- */
.container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 760px; }

.section { padding: 110px 0; position: relative; }

/* Hero dışındaki bölümler kendi zeminini taşısın ki metin her zaman okunur kalsın */
#hakkimda, #projeler { background: color-mix(in srgb, var(--bg) 92%, transparent); }
.section.alt { background: color-mix(in srgb, var(--bg-alt) 94%, transparent); }

.section-head { margin-bottom: 56px; }
.eyebrow {
  display: inline-block;
  font-size: .8rem; font-weight: 600; letter-spacing: .14em;
  text-transform: uppercase; color: var(--primary);
  margin-bottom: 12px;
}
.section-head h2 {
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  font-weight: 800; letter-spacing: -.02em; line-height: 1.15;
}
.section-sub { color: var(--text-dim); margin-top: 12px; max-width: 60ch; }

.gradient-text {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}

/* ---------- 5. Butonlar ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 22px;
  border-radius: var(--radius-full);
  font-weight: 600; font-size: .93rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .2s var(--ease), background .2s, border-color .2s, box-shadow .2s, color .2s;
  white-space: nowrap;
}
.btn svg { width: 1.05em; height: 1.05em; flex-shrink: 0; }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--primary); color: #fff;
  box-shadow: 0 6px 20px color-mix(in srgb, var(--primary) 35%, transparent);
}
.btn-primary:hover { background: var(--primary-hover); }

.btn-ghost {
  background: var(--surface); color: var(--text);
  border-color: var(--border-strong);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }

.btn-danger { background: var(--danger); color: #fff; }
.btn-sm  { padding: 8px 16px; font-size: .82rem; }
.btn-lg  { padding: 14px 30px; font-size: 1rem; }
.btn-block { width: 100%; }

.icon-btn {
  display: inline-grid; place-items: center;
  width: 40px; height: 40px;
  border-radius: var(--radius-full);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-dim);
  transition: color .2s, background .2s, border-color .2s, transform .2s;
}
.icon-btn svg { width: 18px; height: 18px; }
.icon-btn:hover { color: var(--primary); border-color: var(--primary); transform: translateY(-2px); }
.icon-btn.danger:hover { color: var(--danger); border-color: var(--danger); }

.link-btn {
  color: var(--primary); font-size: .84rem; font-weight: 600;
  transition: color .2s;
}
.link-btn:hover { color: var(--primary-hover); text-decoration: underline; }

/* ---------- 6. Navbar ---------- */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: blur(16px) saturate(160%);
  border-bottom: 1px solid transparent;
  transition: border-color var(--speed), background var(--speed), box-shadow var(--speed);
}
#navbar.scrolled {
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  max-width: 1180px; height: 100%; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
}

.logo { font-size: 1.4rem; font-weight: 800; letter-spacing: -.03em; }
.logo span { color: var(--primary); }

.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a {
  position: relative;
  font-size: .92rem; font-weight: 500; color: var(--text-dim);
  transition: color .2s;
}
.nav-links a::after {
  content: ''; position: absolute; left: 0; bottom: -6px;
  width: 100%; height: 2px; border-radius: 2px;
  background: var(--primary);
  transform: scaleX(0); transform-origin: right;
  transition: transform .3s var(--ease);
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); transform-origin: left; }

.nav-actions { display: flex; align-items: center; gap: 10px; }
.admin-actions { display: flex; align-items: center; gap: 10px; }
.menu-only { display: none; }

.icon-sun { display: none; }
[data-theme="light"] .icon-sun  { display: block; }
[data-theme="light"] .icon-moon { display: none; }

.scroll-progress {
  position: absolute; left: 0; bottom: -1px; height: 2px; width: 0%;
  background: var(--grad);
  transition: width .1s linear;
}

/* ---------- 7. Hero ---------- */
#hero {
  min-height: 100svh;
  display: flex; align-items: center;
  padding: calc(var(--nav-h) + 60px) 24px 90px;
  position: relative;
}
.hero-inner {
  width: 100%; max-width: 1180px; margin: 0 auto;
  display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 60px;
}

.badge {
  display: inline-block;
  padding: 6px 16px; border-radius: var(--radius-full);
  background: var(--surface); border: 1px solid var(--border);
  font-size: .87rem; color: var(--text-dim);
  margin-bottom: 20px;
}

.hero-text h1 {
  font-size: clamp(2.8rem, 7vw, 4.6rem);
  font-weight: 800; letter-spacing: -.035em; line-height: 1.05;
  margin-bottom: 14px;
}

.role {
  font-size: clamp(1.05rem, 2.2vw, 1.4rem);
  font-weight: 500; color: var(--primary);
  min-height: 1.8em; margin-bottom: 20px;
}
.caret {
  display: inline-block; width: 2px; height: 1.05em;
  background: var(--primary); vertical-align: text-bottom;
  margin-left: 2px; animation: blink 1s step-end infinite;
}
@keyframes blink { 0%, 100% { opacity: 1 } 50% { opacity: 0 } }

.lead { color: var(--text-dim); font-size: 1.05rem; max-width: 56ch; margin-bottom: 32px; }

.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 36px; }

.hero-social { display: flex; gap: 16px; }
.hero-social a {
  display: grid; place-items: center;
  width: 42px; height: 42px; border-radius: var(--radius-full);
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text-dim);
  transition: color .25s, border-color .25s, transform .25s var(--ease);
}
.hero-social svg { width: 19px; height: 19px; }
.hero-social a:hover { color: var(--primary); border-color: var(--primary); transform: translateY(-4px); }

/* Hero görsel — kod kartı */
.hero-visual { position: relative; }
.orb-glow {
  position: absolute; inset: -20%;
  background: radial-gradient(circle at 50% 50%,
              color-mix(in srgb, var(--primary) 26%, transparent) 0%,
              transparent 62%);
  filter: blur(50px); z-index: -1;
  animation: float 9s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  50%      { transform: translate3d(0, -18px, 0) scale(1.06); }
}

.code-card {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(14px);
  overflow: hidden;
  transform: perspective(1000px) rotateY(-6deg) rotateX(3deg);
  transition: transform .5s var(--ease);
}
.code-card:hover { transform: perspective(1000px) rotateY(0) rotateX(0); }

.code-head {
  display: flex; align-items: center; gap: 7px;
  padding: 12px 16px;
  background: color-mix(in srgb, var(--bg-alt) 70%, transparent);
  border-bottom: 1px solid var(--border);
}
.dot { width: 11px; height: 11px; border-radius: 50%; }
.dot.red { background: #ff5f56 } .dot.yellow { background: #ffbd2e } .dot.green { background: #27c93f }
.code-file { margin-left: auto; font-family: var(--mono); font-size: .74rem; color: var(--text-faint); }

.code-body {
  padding: 22px 20px;
  font-family: var(--mono); font-size: .82rem; line-height: 1.85;
  overflow-x: auto; color: var(--text-dim);
}
.c-key  { color: #c084fc }
.c-var  { color: #60a5fa }
.c-prop { color: #38bdf8 }
.c-str  { color: var(--primary) }
.c-fn   { color: #fbbf24 }

.scroll-hint {
  position: absolute; left: 50%; bottom: 28px; transform: translateX(-50%);
  width: 24px; height: 40px;
  border: 2px solid var(--border-strong); border-radius: var(--radius-full);
  display: grid; place-items: start center; padding-top: 7px;
}
.scroll-hint span {
  width: 4px; height: 8px; border-radius: 2px; background: var(--primary);
  animation: scrolldown 1.7s ease-in-out infinite;
}
@keyframes scrolldown {
  0%   { opacity: 0; transform: translateY(0) }
  40%  { opacity: 1 }
  100% { opacity: 0; transform: translateY(15px) }
}

/* ---------- 8. Hakkımda ---------- */
.about-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 56px; align-items: start; }
.about-text p { color: var(--text-dim); font-size: 1.05rem; margin-bottom: 18px; }
.about-text strong { color: var(--text); font-weight: 600; }

.stats { display: grid; gap: 16px; }
.stat {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px 26px;
  backdrop-filter: blur(10px);
  transition: border-color .25s, transform .25s var(--ease);
}
.stat:hover { border-color: var(--primary); transform: translateX(6px); }
.stat-num {
  display: block; font-size: 2.3rem; font-weight: 800; line-height: 1;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat-label { font-size: .87rem; color: var(--text-dim); }

/* ---------- 9. Yetenekler ---------- */
.skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 24px; }

.skill-card {
  position: relative; overflow: hidden;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px 28px;
  backdrop-filter: blur(10px);
  transition: border-color .3s, box-shadow .3s;
  transform-style: preserve-3d;
}
.skill-card::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(320px circle at var(--mx, 50%) var(--my, 50%),
              color-mix(in srgb, var(--primary) 13%, transparent), transparent 65%);
  opacity: 0; transition: opacity .3s; pointer-events: none;
}
.skill-card:hover { border-color: var(--border-strong); box-shadow: var(--shadow); }
.skill-card:hover::before { opacity: 1; }

.skill-icon { font-size: 2.2rem; margin-bottom: 16px; }
.skill-card h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 10px; }
.skill-card > p { color: var(--text-dim); font-size: .95rem; margin-bottom: 20px; }

.chip-list { display: flex; flex-wrap: wrap; gap: 8px; }
.chip-list li {
  padding: 5px 12px; border-radius: var(--radius-full);
  background: color-mix(in srgb, var(--primary) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--primary) 26%, transparent);
  color: var(--primary);
  font-size: .78rem; font-weight: 500;
}

/* ---------- 10. Projeler ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 36px; }
.filter-btn {
  padding: 8px 18px; border-radius: var(--radius-full);
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text-dim); font-size: .85rem; font-weight: 500;
  transition: all .22s var(--ease);
}
.filter-btn:hover { color: var(--text); border-color: var(--border-strong); }
.filter-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; }

.loading { text-align: center; padding: 60px 0; color: var(--text-dim); }
.spinner {
  width: 34px; height: 34px; margin: 0 auto 16px;
  border: 3px solid var(--border-strong); border-top-color: var(--primary);
  border-radius: 50%; animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg) } }

.projects-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 26px;
}

.project-card {
  display: flex; flex-direction: column;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  backdrop-filter: blur(10px);
  cursor: pointer;
  transition: transform .35s var(--ease), border-color .3s, box-shadow .35s;
}
.project-card:hover {
  transform: translateY(-7px);
  border-color: color-mix(in srgb, var(--primary) 50%, transparent);
  box-shadow: var(--shadow);
}
.project-card.filtered-out { display: none; }

.pc-thumb {
  position: relative; aspect-ratio: 16 / 10;
  background: var(--bg-alt); overflow: hidden;
}
.pc-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s var(--ease); }
.project-card:hover .pc-thumb img { transform: scale(1.06); }
.pc-thumb.empty { display: grid; place-items: center; font-size: 3.4rem; }
.pc-count {
  position: absolute; right: 12px; bottom: 12px;
  display: flex; align-items: center; gap: 5px;
  padding: 4px 10px; border-radius: var(--radius-full);
  background: rgba(2, 6, 23, .72); color: #fff;
  font-size: .74rem; font-weight: 500;
  backdrop-filter: blur(6px);
}
.pc-count svg { width: 13px; height: 13px; }

.pc-body { padding: 22px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.pc-title { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.pc-title .pc-icon { font-size: 1.4rem; line-height: 1; }
.pc-title h3 { font-size: 1.16rem; font-weight: 700; letter-spacing: -.01em; }
.pc-desc {
  color: var(--text-dim); font-size: .92rem; margin-bottom: 18px;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical;
  line-clamp: 3; overflow: hidden;
}
.pc-tech { display: flex; flex-wrap: wrap; gap: 7px; margin-top: auto; margin-bottom: 16px; }
.pc-tech span {
  padding: 4px 10px; border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--accent) 13%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
  color: var(--accent); font-size: .74rem; font-weight: 500;
}
.pc-tech .more { background: none; border-color: var(--border); color: var(--text-faint); }

.pc-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.pc-more { color: var(--primary); font-size: .87rem; font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.pc-more svg { width: 15px; height: 15px; transition: transform .25s; }
.project-card:hover .pc-more svg { transform: translateX(4px); }
.pc-admin { display: flex; gap: 6px; }
.pc-admin .icon-btn { width: 32px; height: 32px; }
.pc-admin .icon-btn svg { width: 15px; height: 15px; }

.empty-state, .error-state {
  grid-column: 1 / -1; text-align: center;
  padding: 56px 24px; border-radius: var(--radius-lg);
  background: var(--surface); border: 1px solid var(--border);
}
.error-state { border-color: color-mix(in srgb, var(--danger) 45%, transparent); }
.error-state h3, .empty-state h3 { font-size: 1.2rem; margin-bottom: 8px; }
.error-state p, .empty-state p { color: var(--text-dim); margin-bottom: 18px; }

.demo-note {
  grid-column: 1 / -1;
  padding: 12px 18px; margin-bottom: 4px;
  border-radius: var(--radius); font-size: .86rem;
  background: color-mix(in srgb, #f59e0b 12%, transparent);
  border: 1px solid color-mix(in srgb, #f59e0b 34%, transparent);
  color: #f59e0b;
}

/* ---------- 11. İletişim ---------- */
.contact-card {
  text-align: center;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 44px 32px;
  backdrop-filter: blur(10px);
}
.email-link {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: clamp(1rem, 3vw, 1.4rem); font-weight: 600;
  color: var(--primary); word-break: break-all;
  transition: color .2s;
}
.email-link svg { width: 1.1em; height: 1.1em; flex-shrink: 0; }
.email-link:hover { color: var(--primary-hover); }
.contact-links { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; margin-top: 28px; }

/* ---------- 12. Footer ---------- */
footer { border-top: 1px solid var(--border); padding: 56px 0 32px; background: var(--bg-alt); }

.quote-card {
  display: flex; align-items: center; gap: 36px; flex-wrap: wrap;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px;
  backdrop-filter: blur(8px);
  margin-bottom: 32px;
}
.quote-img {
  width: 132px; height: 132px; border-radius: 50%; object-fit: cover;
  border: 3px solid color-mix(in srgb, var(--primary) 55%, transparent);
  box-shadow: var(--shadow);
  flex-shrink: 0;
}
.quote-card blockquote { flex: 1; min-width: 280px; }
.quote-card blockquote p {
  font-size: clamp(1rem, 2.2vw, 1.18rem);
  font-style: italic; font-weight: 500; line-height: 1.8;
  margin-bottom: 12px;
}
.quote-card cite { display: block; text-align: right; color: var(--text-dim); font-size: .9rem; font-style: normal; font-weight: 600; }

.footer-bottom { border-top: 1px solid var(--border); padding-top: 22px; text-align: center; color: var(--text-faint); font-size: .87rem; }

/* ---------- 13. Modallar ---------- */
.modal {
  position: fixed; inset: 0; z-index: 150;
  display: none; align-items: center; justify-content: center;
  padding: 20px;
}
.modal.open { display: flex; }
.modal-backdrop {
  position: absolute; inset: 0;
  background: rgba(2, 6, 23, .82);
  backdrop-filter: blur(5px);
  animation: fadeIn .25s ease;
}
@keyframes fadeIn { from { opacity: 0 } to { opacity: 1 } }

.modal-box {
  position: relative; width: 100%;
  max-height: 90vh; display: flex; flex-direction: column;
  background: var(--surface-solid);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  animation: popIn .3s var(--ease);
  overflow: hidden;
}
@keyframes popIn {
  from { opacity: 0; transform: translateY(22px) scale(.97) }
  to   { opacity: 1; transform: none }
}
.modal-sm { max-width: 400px }
.modal-md { max-width: 660px }
.modal-lg { max-width: 940px }

.modal-head {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-alt) 55%, transparent);
  flex-shrink: 0;
}
.modal-head h2 { font-size: 1.3rem; font-weight: 700; display: flex; align-items: center; gap: 10px; }
.modal-body { padding: 26px 24px; overflow-y: auto; }

/* Detay modal içeriği */
.detail-desc { color: var(--text-dim); font-size: 1rem; margin-bottom: 28px; }
.detail-block { margin-bottom: 28px; }
.detail-block h4 {
  font-size: .82rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--primary); margin-bottom: 14px;
}
.feature-list { display: grid; gap: 10px; }
.feature-list li { display: flex; align-items: flex-start; gap: 10px; color: var(--text-dim); font-size: .94rem; }
.feature-list svg { width: 17px; height: 17px; color: var(--primary); flex-shrink: 0; margin-top: 4px; }

.ss-gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 14px; }
.ss-item {
  position: relative; aspect-ratio: 16 / 10;
  border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--border); cursor: zoom-in;
  background: var(--bg-alt);
}
.ss-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s var(--ease); }
.ss-item:hover img { transform: scale(1.07); }
.ss-item figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 7px 10px; font-size: .74rem; color: #fff;
  background: linear-gradient(transparent, rgba(2, 6, 23, .88));
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* ---------- 14. Formlar ---------- */
.form label {
  display: block; font-size: .84rem; font-weight: 600;
  color: var(--text-dim); margin: 16px 0 7px;
}
.form label:first-of-type { margin-top: 0; }
.form input[type="text"], .form input[type="password"], .form textarea {
  width: 100%;
  background: var(--bg-alt);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  transition: border-color .2s, box-shadow .2s;
}
.form input:focus, .form textarea:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 18%, transparent);
}
.form textarea { resize: vertical; min-height: 96px; }
.form .btn-block { margin-top: 26px; }

.form-error {
  margin-top: 12px; padding: 9px 13px; border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--danger) 13%, transparent);
  border: 1px solid color-mix(in srgb, var(--danger) 40%, transparent);
  color: var(--danger); font-size: .85rem;
}

.row { display: flex; gap: 14px; align-items: flex-end; }
.col-icon { width: 84px; flex-shrink: 0; }
.col-grow { flex: 1; }
.icon-input { text-align: center; font-size: 1.35rem; }

.list-head { display: flex; align-items: center; justify-content: space-between; margin: 20px 0 8px; }
.list-head label { margin: 0; }

.dyn-list { display: grid; gap: 8px; }
.dyn-row { display: flex; gap: 8px; }
.dyn-row input { flex: 1; }
.dyn-row .icon-btn { width: 38px; height: 38px; flex-shrink: 0; }

.upload-area {
  border: 2px dashed var(--border-strong); border-radius: var(--radius);
  padding: 26px 18px; text-align: center; cursor: pointer;
  color: var(--text-dim);
  transition: border-color .25s, background .25s, color .25s;
}
.upload-area svg { width: 34px; height: 34px; margin: 0 auto 8px; }
.upload-area p { font-size: .9rem; }
.upload-area small { font-size: .76rem; color: var(--text-faint); }
.upload-area:hover, .upload-area.dragover {
  border-color: var(--primary); color: var(--primary);
  background: color-mix(in srgb, var(--primary) 7%, transparent);
}

.ss-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 12px; margin-top: 14px; }
.ss-thumb { position: relative; aspect-ratio: 1; border-radius: var(--radius-sm); overflow: hidden; border: 1px solid var(--border); }
.ss-thumb img { width: 100%; height: 100%; object-fit: cover; }
.ss-thumb .ss-del {
  position: absolute; top: 6px; right: 6px;
  width: 26px; height: 26px; border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(2, 6, 23, .78); color: #fff;
  opacity: 0; transition: opacity .2s, background .2s;
}
.ss-thumb .ss-del svg { width: 13px; height: 13px; }
.ss-thumb:hover .ss-del { opacity: 1; }
.ss-thumb .ss-del:hover { background: var(--danger); }
.ss-thumb .ss-cap {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 4px 6px; font-size: .68rem; color: #fff;
  background: rgba(2, 6, 23, .8);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* ---------- 15. Lightbox ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 200;
  display: none; align-items: center; justify-content: center;
  background: rgba(2, 6, 23, .96);
  padding: 24px;
}
.lightbox.open { display: flex; animation: fadeIn .2s ease; }

.lb-figure { display: flex; flex-direction: column; align-items: center; gap: 12px; max-width: 100%; }
.lb-figure img { max-height: 78vh; max-width: 100%; object-fit: contain; border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.lb-counter { color: var(--text-faint); font-size: .84rem; }
.lb-figure figcaption { color: #e2e8f0; font-size: 1rem; font-weight: 500; text-align: center; }

.lb-close, .lb-nav {
  position: absolute; z-index: 210;
  display: grid; place-items: center;
  color: rgba(226, 232, 240, .55);
  transition: color .2s, background .2s;
  border-radius: var(--radius-full);
}
.lb-close { top: 22px; right: 22px; width: 46px; height: 46px; }
.lb-nav { top: 50%; transform: translateY(-50%); width: 52px; height: 52px; }
.lb-prev { left: 20px } .lb-next { right: 20px }
.lb-close svg { width: 26px; height: 26px } .lb-nav svg { width: 30px; height: 30px }
.lb-close:hover, .lb-nav:hover { color: #fff; background: rgba(255, 255, 255, .1); }

/* ---------- 16. Toast ---------- */
.toast-host {
  position: fixed; right: 20px; bottom: 20px; z-index: 300;
  display: flex; flex-direction: column; gap: 10px;
  pointer-events: none;
}
.toast {
  display: flex; align-items: center; gap: 10px;
  padding: 13px 18px; border-radius: var(--radius);
  background: var(--surface-solid); border: 1px solid var(--border-strong);
  box-shadow: var(--shadow); font-size: .9rem;
  animation: toastIn .3s var(--ease);
  max-width: 340px;
}
.toast.success { border-left: 3px solid var(--primary) }
.toast.error   { border-left: 3px solid var(--danger) }
.toast.info    { border-left: 3px solid var(--accent) }
.toast.out { animation: toastOut .3s var(--ease) forwards }
@keyframes toastIn  { from { opacity: 0; transform: translateX(40px) } to { opacity: 1; transform: none } }
@keyframes toastOut { to { opacity: 0; transform: translateX(40px) } }

/* ---------- 17. Reveal animasyonları ---------- */
.reveal {
  opacity: 0; transform: translateY(26px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .08s }
.reveal[data-delay="2"] { transition-delay: .16s }
.reveal[data-delay="3"] { transition-delay: .24s }
.reveal[data-delay="4"] { transition-delay: .32s }
.reveal[data-delay="5"] { transition-delay: .40s }

body.no-js .reveal { opacity: 1; transform: none; }

/* ---------- 18. Responsive ---------- */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { max-width: 520px; }
  .code-card { transform: none; }
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .stats { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  :root { --nav-h: 62px; }
  .section { padding: 78px 0; }

  .menu-only { display: inline-grid; }

  .nav-links {
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 8px 16px 20px;
    background: color-mix(in srgb, var(--bg) 96%, transparent);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border);
    transform: translateY(-130%);
    transition: transform .35s var(--ease);
    max-height: calc(100svh - var(--nav-h)); overflow-y: auto;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 14px 8px; border-bottom: 1px solid var(--border); font-size: 1rem; }
  .nav-links a::after { display: none; }
  .nav-links a:last-child { border-bottom: none; }

  #hero { padding-top: calc(var(--nav-h) + 32px); min-height: auto; }
  .stats { grid-template-columns: 1fr; }
  .quote-card { flex-direction: column; text-align: center; gap: 22px; }
  .quote-card blockquote { min-width: 0; }
  .quote-card cite { text-align: center; }
  .projects-grid { grid-template-columns: 1fr; }

  .modal { padding: 0; align-items: flex-end; }
  .modal-box { max-width: none; max-height: 92vh; border-radius: var(--radius-lg) var(--radius-lg) 0 0; }
  .lb-nav { width: 42px; height: 42px; }
  .lb-prev { left: 6px } .lb-next { right: 6px }
  .toast-host { left: 16px; right: 16px; bottom: 16px; }
  .toast { max-width: none; }
}

@media (max-width: 420px) {
  .container { padding: 0 16px; }
  #hero { padding-left: 16px; padding-right: 16px; }
  .hero-cta .btn { flex: 1; }
}

/* ---------- 19. Hareket azaltma & yazdırma ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  #bg-canvas { display: none; }
}

@media print {
  #bg-canvas, #navbar, .scroll-hint, .modal, .lightbox, .toast-host { display: none !important; }
  body { background: #fff; color: #000; }
  .reveal { opacity: 1; transform: none; }
}