/* ════════════════════════════════════════════════════════════════════════
   ATAMANSOFTWARE — güvenlik odaklı yazılım stüdyosu
   TEMA: "SECURE BY DEFAULT" — saf beyaz zemin, yeşil + kırmızı.

   KONSEPT: Renkler süs değil, anlam taşıyor. Bir güvenlik stüdyosunun
   kendi dili:
       YEŞİL  = doğrulanmış, güvenli, geçti, yayında
       KIRMIZI = tehdit, uyarı, bulgu, yakında/beklemede
   Yeşil baskın renktir; kırmızı seyrek ve keskin kullanılır — her yerde
   olursa uyarı olmaktan çıkar. Oran kabaca 80/20.

   RENK KURALI (önemli):
     --accent      → dolgu, kenarlık, parıltı, grafik  (canlı, doygun)
     --accent-ink  → METİN için otomatik koyulaştırılmış hâli
   Uygulama renkleri (#7C83FD, #7FAF0D, #3CC9A6) beyaz üstünde okunmaz;
   --accent-ink hepsini WCAG AA (≥4.5:1) sınırına çeker. Accent'i metinde
   kullanacaksan DAİMA --accent-ink yaz.

   Tüm metin renkleri kontrast hesaplayıcıdan geçirildi, hepsi AA (≥4.5:1).
   ════════════════════════════════════════════════════════════════════════ */

:root {
  /* Zeminler — istendiği gibi saf beyaz; derinlik gölge ve ışıkla kurulur */
  --bg:        #FFFFFF;
  --bg-2:      #F6FAF8;   /* yeşile çalan çok soluk bölüm zemini */
  --bg-3:      #EFF4F2;
  --surface:   #FFFFFF;
  --surface-2: #F4F7F6;
  --border:        rgba(11, 18, 32, 0.10);
  --border-strong: rgba(11, 18, 32, 0.18);
  --border-green:  rgba(4, 120, 87, 0.28);
  --border-red:    rgba(190, 18, 60, 0.24);

  --text:        #334155;   /* gövde     — 10.3:1 */
  --text-bright: #0B1220;   /* başlıklar — 18.7:1 */
  --muted:       #5B6B80;   /* ikincil   — 5.4:1  */
  --muted-2:     #64748B;   /* etiket    — 4.8:1  */

  /* ── YEŞİL: güvenli / doğrulanmış ── */
  --green-ink:  #046B4A;  /* metin, link      — 6.6:1 */
  --green:      #0E8F63;  /* dolgu, grafik    — 4.1:1 */
  --green-deep: #047857;  /* buton zemini (beyaz yazı 5.5:1) */
  --green-soft: #E8F7F1;  /* rozet/etiket zemini */

  /* ── KIRMIZI: tehdit / uyarı / vurgu ── */
  --red-ink:  #BE123C;    /* metin            — 6.3:1 */
  --red:      #E11D48;    /* dolgu, grafik */
  --red-deep: #BE123C;    /* buton zemini (beyaz yazı 6.3:1) */
  --red-soft: #FFF0F3;

  /* Geriye dönük adlar (eski kurallar kırılmasın) */
  --green-bright: var(--green);
  --cyan: var(--green-ink);
  --accent: var(--green);   /* uygulama sayfalarında override edilir */

  /* Konsol panelleri — artık AYDINLIK. Koyu ada kalmadı. */
  --term-bg:    #FBFDFC;
  --term-bar:   #F1F6F4;
  --term-text:  #1E293B;
  --term-muted: #64748B;
  --term-green: #046B4A;
  --term-red:   #BE123C;

  --grad:      linear-gradient(135deg, #0E8F63 0%, #047857 100%);
  --grad-text: linear-gradient(112deg, #046B4A 0%, #0E8F63 38%, #BE123C 100%);
  --grad-line: linear-gradient(90deg, var(--green), var(--red));

  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius:    14px;
  --radius-lg: 22px;
  --radius-xl: 28px;
  --maxw: 1160px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  /* Beyaz zeminde derinlik = gölge. Siyah değil, mürekkep mavisi ve yumuşak. */
  --shadow-sm: 0 1px 2px rgba(11, 18, 32, 0.05), 0 1px 3px rgba(11, 18, 32, 0.04);
  --shadow-md: 0 4px 10px -2px rgba(11, 18, 32, 0.06), 0 14px 30px -10px rgba(11, 18, 32, 0.09);
  --shadow-lg: 0 20px 50px -16px rgba(11, 18, 32, 0.15), 0 8px 18px -8px rgba(11, 18, 32, 0.08);
  --shadow-glow: 0 20px 50px -22px color-mix(in srgb, var(--accent) 60%, transparent);
}

* { box-sizing: border-box; }

/* --accent-ink'i HER elemanda yeniden hesapla.
   :root'ta tanımlansaydı orada bir kez hesaplanır, alt bölümler --accent'i
   inline style ile değiştirdiğinde (ör. PodoX moru) mürekkep rengi eski
   değerde donup kalırdı. Buradaki '*' her elemanın kendi --accent'inden
   türetmesini sağlar — proje sayfaları böylece kendi renginde yazar. */
*, *::before, *::after { --accent-ink: color-mix(in srgb, var(--accent) 56%, #04231A); }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ══ ARKA PLAN — üç katman ═══════════════════════════════════════════════
   Beyaz asla düz beyaz kalmaz; üstüne üç katman biner:
     1) body::before → teknik ızgara (radyal maskeyle kenarlara doğru erir)
     2) body::after  → yeşil ve kırmızı "aurora" lekeleri, yavaşça nefes alır
     3) .bg-scan     → çok yavaş inen tarama çizgisi (güvenlik taraması hissi)
   Hepsi düşük yoğunlukta: göz onları fark etmez, yokluğunu fark eder.
   ══════════════════════════════════════════════════════════════════════ */
body::before {
  content: ""; position: fixed; inset: 0; z-index: -3; pointer-events: none;
  background-image:
    linear-gradient(rgba(11, 18, 32, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 18, 32, .045) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 5%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 5%, transparent 75%);
}
body::after {
  content: ""; position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background:
    /* yeşil — güvenli bölge, sağ üst */
    radial-gradient(46% 38% at 88% -4%,  rgba(14, 143, 99, .17), transparent 64%),
    radial-gradient(38% 34% at 74% 22%,  rgba(4, 120, 87, .10), transparent 66%),
    /* kırmızı — uyarı, sol alt: sayfanın diğer ucunda gerilim kurar */
    radial-gradient(44% 36% at 2% 82%,   rgba(225, 29, 72, .11), transparent 62%),
    radial-gradient(52% 40% at 20% 104%, rgba(190, 18, 60, .08), transparent 60%);
  animation: auroraBreathe 22s ease-in-out infinite alternate;
}
@keyframes auroraBreathe {
  from { transform: scale(1)    translate3d(0, 0, 0);      opacity: .85; }
  to   { transform: scale(1.09) translate3d(-1.5%, 1%, 0); opacity: 1; }
}
/* Tarama çizgisi — sayfanın üstünden altına doğru süzülen ince ışık */
.bg-scan {
  position: fixed; left: 0; right: 0; top: 0; height: 42vh; z-index: -1;
  pointer-events: none;
  background: linear-gradient(to bottom,
    transparent 0%,
    rgba(14, 143, 99, .055) 45%,
    rgba(14, 143, 99, .10) 50%,
    rgba(14, 143, 99, .055) 55%,
    transparent 100%);
  animation: scanSweep 13s cubic-bezier(.65, 0, .35, 1) infinite;
}
@keyframes scanSweep {
  0%        { transform: translateY(-60vh); opacity: 0; }
  12%, 78%  { opacity: 1; }
  100%      { transform: translateY(130vh); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  body::after { animation: none; }
  .bg-scan { display: none; }
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
::selection { background: rgba(14, 143, 99, .20); color: #0B1220; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
.container-narrow { max-width: 780px; }

/* ── Header / Nav ─────────────────────────────────────────────────────────── */
.site-header { position: sticky; top: 0; z-index: 200; transition: all .35s var(--ease); }
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 20px -8px rgba(11, 18, 32, .16);
}
/* Header altında ince yeşil→kırmızı marka çizgisi */
.site-header.scrolled::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--grad-line); opacity: .75; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 74px; position: relative; }

.brand { display: flex; align-items: center; gap: 12px; font-family: var(--mono); font-weight: 800; font-size: 16px; letter-spacing: -.3px; }
/* Marka işareti — AS monogramı. Kaynak PNG lacivert-siyah ve saydam zeminli,
   aydınlık temada olduğu gibi durur; ek tabak/çerçeve istemez. */
.brand-logo {
  width: 36px; height: 36px; flex-shrink: 0; object-fit: contain; display: block;
  transition: transform .3s var(--ease);
}
.brand:hover .brand-logo { transform: rotate(-4deg) scale(1.06); }
.brand-cursor { animation: blink 1.1s step-end infinite; margin-left: 2px; color: var(--red); }
@keyframes blink { 50% { opacity: 0; } }
.brand-name { color: var(--text-bright); }
.brand-name > span:first-child { color: var(--green-ink); }

.nav { display: flex; gap: 4px; align-items: center; }
.nav > a, .nav-drop-btn {
  padding: 9px 15px; border-radius: 10px; color: var(--muted);
  font-family: var(--mono); font-weight: 500; font-size: 13.5px; transition: .2s var(--ease);
  background: none; border: none; cursor: pointer;
}
.nav > a:hover, .nav-drop-btn:hover { color: var(--green-ink); }
.nav > a.active, .nav-drop-btn.active { color: var(--text-bright); }
.nav > a:hover, .nav-drop-btn:hover { background: var(--surface-2); }
.nav a.nav-cta { color: #fff; border: 1px solid transparent; background: linear-gradient(150deg, #0E8F63, #047857); margin-left: 6px; box-shadow: 0 4px 12px -4px rgba(4, 120, 87, .45); }
.nav a.nav-cta:hover { color: #fff; background: linear-gradient(150deg, #0E8F63, #035E44); box-shadow: 0 9px 22px -6px rgba(4, 120, 87, .55); transform: translateY(-1px); }

/* Açılır menü */
.nav-dropdown { position: relative; }
.nav-drop-btn .caret { transition: transform .2s var(--ease); display: inline-block; }
.nav-dropdown.open .caret { transform: rotate(180deg); }
.nav-drop-menu {
  position: absolute; top: calc(100% + 10px); left: 0; min-width: 258px;
  background: rgba(255, 255, 255, .92); backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border: 1px solid var(--border); border-radius: 16px;
  padding: 8px; opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: .22s var(--ease); box-shadow: var(--shadow-lg);
  z-index: 50;
}
.nav-dropdown.open .nav-drop-menu, .nav-dropdown:hover .nav-drop-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.nav-drop-menu a {
  display: flex; align-items: center; gap: 11px; padding: 11px 13px; border-radius: 11px;
  color: var(--text); font-size: 14px; font-family: var(--sans); transition: .15s;
}
.nav-drop-menu a:hover { background: color-mix(in srgb, var(--accent) 10%, var(--surface-2)); color: var(--text-bright); transform: translateX(2px); }
.nav-drop-menu a.drop-all { color: var(--muted); font-family: var(--mono); font-size: 12.5px; border-bottom: 1px solid var(--border); border-radius: 9px 9px 0 0; margin-bottom: 4px; padding-bottom: 12px; }
.drop-name { font-weight: 500; }
/* Menüdeki proje logosu — dosya yoksa accent renkli harf rozetine düşer */
.drop-logo {
  width: 26px; height: 26px; border-radius: 8px; flex-shrink: 0; object-fit: contain;
  display: block; transition: transform .2s var(--ease);
  background: color-mix(in srgb, var(--accent) 12%, #fff);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
  padding: 2px;
}
.nav-drop-menu a:hover .drop-logo { transform: scale(1.12) rotate(-4deg); }
.drop-logo-fallback {
  display: grid; place-items: center; color: #fff; font-family: var(--mono);
  font-weight: 800; font-size: 13px; line-height: 1;
  background: linear-gradient(150deg, var(--accent), color-mix(in srgb, var(--accent) 55%, #000));
}

/* Mobil menü düğmesi (SVG ikon: hamburger ↔ çarpı) */
.nav-toggle { display: none; width: 44px; height: 44px; border-radius: 12px; background: var(--surface); border: 1px solid var(--border-strong); color: var(--text-bright); cursor: pointer; padding: 0; place-items: center; transition: .2s var(--ease); box-shadow: var(--shadow-sm); }
.nav-toggle:hover { color: var(--green-ink); border-color: var(--border-green); }
.nav-toggle .ico-close { display: none; }
body.nav-open .nav-toggle .ico-open { display: none; }
body.nav-open .nav-toggle .ico-close { display: block; }

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 13px 26px; border-radius: 12px; font-family: var(--mono); font-weight: 700; font-size: 14px;
  cursor: pointer; border: 1px solid transparent; transition: .25s var(--ease); text-align: center;
}
.btn svg { width: 18px; height: 18px; }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 6px 20px -6px rgba(4, 120, 87, .5); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 30px -8px rgba(4, 120, 87, .55); }
.btn-primary:disabled { opacity: .55; cursor: default; transform: none; box-shadow: none; }
.btn-ghost { background: var(--surface); color: var(--text-bright); border-color: var(--border-strong); box-shadow: var(--shadow-sm); }
.btn-ghost:hover { border-color: var(--green); color: var(--green-ink); transform: translateY(-2px); box-shadow: var(--shadow-md); }

/* ── Hero ─────────────────────────────────────────────────────────────────── */
.hero { position: relative; padding: 132px 0 104px; overflow: hidden; }
.hero-grid {
  position: absolute; inset: -2px 0 auto 0; height: 640px; z-index: -1; opacity: .5;
  background-image:
    linear-gradient(rgba(190, 18, 60, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(190, 18, 60, .05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 75% 60% at 70% 0%, #000 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(ellipse 75% 60% at 70% 0%, #000 0%, transparent 72%);
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px; padding: 7px 15px; border-radius: 9px;
  background: var(--surface); border: 1px solid var(--border); font-family: var(--mono);
  font-size: 12.5px; color: var(--muted); margin-bottom: 28px; box-shadow: var(--shadow-sm);
}
.hero-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 3px rgba(14, 143, 99, .18); animation: pulse 2.4s var(--ease) infinite; }
.hero-badge .type { color: var(--green-ink); font-weight: 700; }
.hero-title { font-family: var(--mono); font-size: clamp(42px, 8.2vw, 92px); line-height: .98; font-weight: 800; letter-spacing: -2px; margin: 0 0 22px; }
.hero-title .grad { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-tagline { font-family: var(--mono); color: var(--green-ink); font-weight: 600; font-size: clamp(16px, 2.2vw, 21px); margin: 0 0 22px; }
.hero-lead { color: var(--muted); font-size: clamp(16px, 2vw, 19px); max-width: 560px; margin: 0 0 32px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 34px; }
.hero-inner { display: grid; grid-template-columns: 1.05fr .95fr; gap: 54px; align-items: center; }

/* Hero küçük istatistik/rozet şeridi */
.hero-stats { display: flex; gap: 26px; flex-wrap: wrap; }
.hero-stat { display: flex; flex-direction: column; gap: 2px; }
.hero-stat b { font-family: var(--mono); font-size: 22px; font-weight: 800; color: var(--text-bright); }
.hero-stat span { font-size: 12.5px; color: var(--muted); }

/* Hero görsel paneli — matrix kod yağmuru */
.hero-visual { position: relative; }
/* Konsol paneli — AYDINLIK terminal. Koyu kutu yerine beyaz cam panel;
   yeşil komut istemi, kırmızı bulgu satırı. Sayfanın geri kalanıyla aynı
   dünyada yaşıyor, kopuk bir kara delik gibi durmuyor. */
.code-panel {
  position: relative; border-radius: var(--radius-xl); overflow: hidden;
  background: var(--term-bg); border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(4, 120, 87, .06);
  height: 410px;
}
/* Üstte ince yeşil→kırmızı marka şeridi */
.code-panel::after {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--grad-line); z-index: 4;
}
.code-panel-bar { display: flex; align-items: center; gap: 7px; padding: 12px 15px; background: var(--term-bar); border-bottom: 1px solid var(--border); position: relative; z-index: 3; }
.cp-title { margin-left: 10px; font-family: var(--mono); font-size: 11.5px; color: var(--term-muted); }
.matrix-canvas { position: absolute; inset: 44px 0 0 0; width: 100%; height: calc(100% - 44px); display: block; opacity: .9; }
.code-panel-overlay {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2;
  padding: 22px; display: flex; flex-direction: column; gap: 9px;
  background: linear-gradient(to top, var(--term-bg) 34%, rgba(251, 253, 252, .82) 62%, transparent);
  font-family: var(--mono); font-size: 13px;
}
.cp-line { color: var(--term-text); }
.cp-prompt { color: var(--term-green); font-weight: 700; margin-right: 6px; }
.cp-dim { color: var(--term-muted); }
.cp-ok { color: var(--term-green); font-weight: 600; }
.cp-alert { color: var(--term-red); font-weight: 600; }

/* Yetenek başlığı SVG ikonları */
.sb-icon { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 9px; border: 1px solid var(--border); background: var(--bg-3); }
.sb-icon svg { width: 18px; height: 18px; }
.sb-green { color: var(--green-ink); border-color: var(--border-green); background: var(--green-soft); }
.sb-cyan { color: var(--red-ink); border-color: var(--border-red); background: var(--red-soft); }

@media (max-width: 880px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { display: none; }
}

/* ── Sections ─────────────────────────────────────────────────────────────── */
.section { padding: 104px 0; position: relative; }
/* Alternatif bölüm — düz gri yerine yeşile çalan zemin, üst/alt kenarında
   marka çizgisi. Beyaz sayfada bölüm ayrımı böyle hissedilir. */
.section-alt { background: var(--bg-2); position: relative; }
.section-alt::before, .section-alt::after {
  content: ""; position: absolute; left: 0; right: 0; height: 1px;
  background: var(--grad-line); opacity: .45;
}
.section-alt::before { top: 0; } .section-alt::after { bottom: 0; }
.section-alt .project-card { box-shadow: var(--shadow-md); }
/* Üst etiket — önünde kısa accent çizgisi: terminal komut istemi hissi */
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--mono); font-size: 13px; font-weight: 700; letter-spacing: 1px;
  color: var(--accent-ink); margin: 0 0 14px;
}
.eyebrow::before {
  content: ""; width: 22px; height: 2px; border-radius: 2px; flex-shrink: 0;
  background: linear-gradient(90deg, var(--accent), transparent);
}
.section-title { font-family: var(--mono); font-size: clamp(28px, 4.5vw, 46px); font-weight: 800; letter-spacing: -1px; margin: 0 0 18px; line-height: 1.08; color: var(--text-bright); position: relative; }
/* Başlığın altında kısa yeşil→kırmızı imza çizgisi */
.section-title::after {
  content: ""; display: block; width: 62px; height: 3px; border-radius: 3px;
  margin-top: 16px; background: var(--grad-line);
}
.section-head-center .section-title::after { margin-left: auto; margin-right: auto; }
.section-lead { color: var(--muted); font-size: 18px; max-width: 640px; margin: 0 0 48px; }
.section-head-center { text-align: center; }
.section-head-center .section-lead { margin-left: auto; margin-right: auto; }
.page-title { font-family: var(--mono); font-size: clamp(32px, 5.5vw, 56px); font-weight: 800; letter-spacing: -1.5px; margin: 0 0 14px; color: var(--text-bright); }
.page-top { padding-top: 78px; }

/* ── Geliştirici / Terminal ───────────────────────────────────────────────── */
.dev-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 28px; align-items: start; }
/* Geliştirici terminali — hero paneliyle aynı aydınlık dil */
.terminal { background: var(--term-bg); border: 1px solid var(--border-strong); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); position: relative; }
.terminal::after { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--grad-line); z-index: 2; }
.terminal-bar { display: flex; align-items: center; gap: 7px; padding: 13px 16px; background: var(--term-bar); border-bottom: 1px solid var(--border); }
.tdot { width: 12px; height: 12px; border-radius: 50%; }
.tdot.r { background: #FF5F56; } .tdot.y { background: #FFBD2E; } .tdot.g { background: #27C93F; }
.terminal-title { margin-left: 10px; font-family: var(--mono); font-size: 12px; color: var(--term-muted); }
.terminal-body { padding: 22px 22px 26px; font-family: var(--mono); font-size: 14px; line-height: 1.9; }
.terminal-body p { margin: 0; }
.terminal-body > p:not(.t-out) { color: var(--term-text); }
.t-prompt { color: var(--term-green); margin-right: 8px; font-weight: 700; }
.t-out { color: var(--text); padding: 2px 0 14px; border-left: 2px solid var(--border-green); padding-left: 14px; margin-left: 4px !important; }
.t-blink { animation: blink 1.1s step-end infinite; color: var(--term-green); }

.dev-skills { display: flex; flex-direction: column; gap: 18px; }
.skill-block { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; box-shadow: var(--shadow-sm); }
.skill-block h3 { font-family: var(--mono); font-size: 16px; margin: 0 0 16px; display: flex; align-items: center; gap: 10px; color: var(--text-bright); }
.tag-row { display: flex; flex-wrap: wrap; gap: 9px; }
.tag { font-family: var(--mono); font-size: 12.5px; padding: 7px 13px; border-radius: 8px; border: 1px solid var(--border); transition: .2s var(--ease); }
.tag-green { color: var(--green-ink); border-color: var(--border-green); background: var(--green-soft); font-weight: 500; }
.tag-green:hover { background: #D6F0E5; border-color: var(--green); box-shadow: 0 6px 15px -6px rgba(4, 120, 87, .45); transform: translateY(-2px); }
.tag-cyan { color: var(--red-ink); border-color: var(--border-red); background: var(--red-soft); font-weight: 500; }
.tag-cyan:hover { background: #FFE1E8; border-color: var(--red); box-shadow: 0 6px 15px -6px rgba(190, 18, 60, .4); transform: translateY(-2px); }

/* Sosyal ikon rozetleri */
.social-row { display: flex; flex-wrap: wrap; gap: 11px; }
.social-icon {
  display: inline-grid; place-items: center; width: 46px; height: 46px; border-radius: 13px;
  border: 1px solid var(--border-strong); color: var(--text-bright); background: var(--surface);
  transition: .24s var(--ease); box-shadow: var(--shadow-sm);
}
.social-icon:hover { color: var(--green-ink); border-color: var(--green); transform: translateY(-3px); box-shadow: 0 10px 22px -8px rgba(4, 120, 87, .4); }
.social-icon svg { width: 20px; height: 20px; }

/* ── Projeler ─────────────────────────────────────────────────────────────── */
.project-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 24px; }
.project-card {
  position: relative; padding: 30px; border-radius: var(--radius-xl);
  background: var(--surface); border: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 16px; transition: .34s var(--ease); overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.project-card::before { content: ""; position: absolute; top: 0; left: 24px; right: 24px; height: 3px; background: linear-gradient(90deg, var(--accent), color-mix(in srgb, var(--accent) 40%, var(--red))); opacity: .65; transition: opacity .3s, left .3s, right .3s; border-radius: 3px; }
.project-card::after { content: ""; position: absolute; inset: 0; opacity: 0; transition: opacity .35s var(--ease); pointer-events: none; background: radial-gradient(460px 220px at 50% -12%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 70%); }
.project-card:hover { transform: translateY(-8px); border-color: color-mix(in srgb, var(--accent) 40%, var(--border-strong)); box-shadow: var(--shadow-lg), 0 20px 40px -24px color-mix(in srgb, var(--accent) 55%, transparent); }
.project-card:hover::before { opacity: 1; left: 0; right: 0; }
.project-card:hover::after { opacity: 1; }
.project-card-top { display: flex; align-items: center; gap: 16px; position: relative; z-index: 1; }
/* Kart logosu — uygulama ikonlarının çoğu açık/saydam kenarlı olduğu için
   beyaz kartta eriyip kaybolur. Accent renginden türeyen çok soluk bir
   "tabak" koyuyoruz: logo her zaman bir nesne gibi durur, renk uygulamadan gelir. */
.project-icon {
  width: 60px; height: 60px; border-radius: 16px; object-fit: contain; flex-shrink: 0; display: block;
  background: color-mix(in srgb, var(--accent) 9%, #fff);
  border: 1px solid color-mix(in srgb, var(--accent) 20%, transparent);
  padding: 2px; transition: .3s var(--ease);
}
.project-card:hover .project-icon { transform: scale(1.06) rotate(-3deg); box-shadow: 0 8px 18px -8px color-mix(in srgb, var(--accent) 60%, transparent); }
/* Proje detay sayfasındaki büyük logo */
.app-logo {
  width: 104px; height: 104px; border-radius: 26px; object-fit: contain; flex-shrink: 0; display: block;
  background: color-mix(in srgb, var(--accent) 10%, #fff);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
  box-shadow: 0 14px 30px -12px color-mix(in srgb, var(--accent) 55%, transparent);
}
.project-icon-fallback {
  width: 60px; height: 60px; border-radius: 16px; display: grid; place-items: center;
  font-family: var(--mono); font-size: 27px; font-weight: 800; color: #fff; flex-shrink: 0;
  background: linear-gradient(150deg, color-mix(in srgb, var(--accent) 92%, #fff 8%), color-mix(in srgb, var(--accent) 55%, #000 45%));
  box-shadow: 0 10px 26px -8px color-mix(in srgb, var(--accent) 60%, transparent), inset 0 1px 0 rgba(255,255,255,.25);
}
.project-card h3 { font-family: var(--mono); margin: 0; font-size: 22px; font-weight: 800; letter-spacing: -.5px; color: var(--text-bright); }
.project-tag { margin: 3px 0 0; color: var(--accent-ink); font-size: 13px; font-weight: 600; font-family: var(--mono); }
.project-desc { color: var(--muted); font-size: 15px; margin: 0; flex: 1; position: relative; z-index: 1; }
.project-foot { display: flex; align-items: center; justify-content: space-between; position: relative; z-index: 1; }
.project-link { color: var(--text-bright); font-family: var(--mono); font-weight: 500; font-size: 13.5px; display: inline-flex; gap: 6px; align-items: center; transition: gap .25s var(--ease), color .25s; }
.project-card:hover .project-link { gap: 11px; color: var(--accent-ink); }
.chip { font-family: var(--mono); font-size: 11.5px; padding: 6px 12px; border-radius: 99px; background: var(--bg-3); color: var(--muted); border: 1px solid var(--border); display: inline-flex; align-items: center; gap: 6px; }
.chip.live { color: var(--green-ink); border-color: var(--border-green); background: var(--green-soft); font-weight: 600; }
.chip:not(.live) { color: var(--red-ink); border-color: var(--border-red); background: var(--red-soft); font-weight: 600; }
.chip .pulse { width: 7px; height: 7px; border-radius: 50%; background: currentColor; box-shadow: 0 0 0 0 currentColor; animation: pulse 1.9s var(--ease) infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, currentColor 60%, transparent); } 70% { box-shadow: 0 0 0 7px transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }

/* ── App detail başlık + mağaza rozetleri ─────────────────────────────────── */
.app-detail { --accent: var(--green-bright); }
.app-hero {
  position: relative; border-radius: var(--radius-xl); overflow: hidden;
  border: 1px solid var(--border); padding: 40px; margin-bottom: 30px;
  box-shadow: var(--shadow-md);
  background:
    radial-gradient(120% 130% at 100% 0%, color-mix(in srgb, var(--accent) 11%, transparent), transparent 58%),
    var(--surface);
}
.app-hero::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: linear-gradient(90deg, var(--accent), transparent 75%); }
.app-head { display: flex; gap: 26px; align-items: center; flex-wrap: wrap; position: relative; z-index: 1; }
.app-icon-lg { width: 108px; height: 108px; border-radius: 26px; object-fit: cover; border: 1px solid var(--border); }
.app-tagline { color: var(--accent-ink); font-family: var(--mono); font-weight: 600; font-size: 16px; margin: 8px 0 18px; }
.store-badges { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.store-badge {
  display: inline-flex; align-items: center; gap: 11px; padding: 11px 20px 11px 16px; border-radius: 14px;
  background: #fff; color: #0F172A; border: 1px solid transparent; transition: .24s var(--ease);
  font-family: var(--sans);
}
.store-badge svg { width: 26px; height: 26px; flex-shrink: 0; }
.store-badge b { display: block; font-size: 15px; font-weight: 800; line-height: 1.05; letter-spacing: -.2px; }
.store-badge small { display: block; font-size: 10.5px; font-weight: 600; opacity: .7; text-transform: uppercase; letter-spacing: .5px; }
.store-badge:hover { transform: translateY(-3px); box-shadow: 0 16px 30px -14px rgba(15, 23, 42, .55); }
.store-badge.apple { background: #0F172A; color: #fff; border-color: transparent; }
.store-badge.google { background: #0F172A; color: #fff; border-color: transparent; }
.badge-soon { display: inline-flex; align-items: center; gap: 8px; padding: 12px 20px; border-radius: 14px; background: var(--surface); border: 1px solid var(--border); color: var(--muted); font-family: var(--mono); font-size: 13.5px; }
.app-description { color: var(--text); font-size: 18px; max-width: 820px; line-height: 1.78; white-space: pre-line; }

/* ── QR kodları ───────────────────────────────────────────────────────────── */
.qr-row { display: flex; gap: 22px; flex-wrap: wrap; }
.qr-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 20px; text-align: center; transition: .25s var(--ease); box-shadow: var(--shadow-sm); }
.qr-card:hover { border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); transform: translateY(-4px); box-shadow: var(--shadow-glow); }
.qr-card img { border-radius: 12px; background: #fff; padding: 10px; }
.qr-label { margin-top: 14px; font-family: var(--mono); font-size: 13px; color: var(--text-bright); display: flex; align-items: center; justify-content: center; gap: 8px; }
.qr-label svg { width: 16px; height: 16px; }

/* ── Kullanım kılavuzu (adım adım zaman çizelgesi) ────────────────────────── */
.guide-list { list-style: none; padding: 0; margin: 0; position: relative; display: grid; gap: 16px; }
.guide-list::before { content: ""; position: absolute; left: 21px; top: 12px; bottom: 12px; width: 2px; background: linear-gradient(var(--accent), var(--red)); opacity: .30; }
.guide-step { display: flex; gap: 20px; align-items: flex-start; position: relative; }
.guide-num {
  flex-shrink: 0; width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center;
  font-family: var(--mono); font-weight: 800; font-size: 16px; color: #fff;
  background: linear-gradient(150deg, var(--accent), color-mix(in srgb, var(--accent) 45%, #000));
  box-shadow: 0 8px 18px -8px color-mix(in srgb, var(--accent) 70%, transparent);
  position: relative; z-index: 1;
}
.guide-body { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 20px; flex: 1; transition: .25s var(--ease); box-shadow: var(--shadow-sm); }
.guide-step:hover .guide-body { border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); transform: translateX(4px); }
.guide-body h4 { margin: 0 0 5px; font-size: 16px; font-weight: 700; color: var(--text-bright); }
.guide-body p { margin: 0; color: var(--muted); font-size: 14.5px; }

/* ── SSS (accordion) ──────────────────────────────────────────────────────── */
.faq-list { display: grid; gap: 12px; }
.faq-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: border-color .25s; box-shadow: var(--shadow-sm); }
.faq-item[open] { border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); }
.faq-item summary { list-style: none; cursor: pointer; padding: 18px 22px; display: flex; align-items: center; justify-content: space-between; gap: 16px; font-weight: 600; color: var(--text-bright); font-size: 15.5px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-family: var(--mono); font-size: 22px; color: var(--accent-ink); transition: transform .25s var(--ease); flex-shrink: 0; line-height: 1; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-a { padding: 0 22px 20px; color: var(--muted); font-size: 15px; line-height: 1.7; margin: 0; }

/* ── Amaçlar ──────────────────────────────────────────────────────────────── */
.goal-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.goal-list li { display: flex; align-items: flex-start; gap: 16px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; color: var(--text); font-size: 15.5px; transition: .25s var(--ease); box-shadow: var(--shadow-sm); }
.goal-list li:hover { border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); transform: translateX(4px); }
.goal-num { font-family: var(--mono); font-weight: 800; font-size: 15px; color: var(--accent-ink); flex-shrink: 0; }
/* Emojili amaç rozeti — kutu rengi uygulamanın --accent değerinden gelir */
.goal-emoji {
  flex-shrink: 0; width: 40px; height: 40px; border-radius: 13px; margin-top: -2px;
  display: grid; place-items: center; font-size: 20px; line-height: 1;
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 26%, transparent);
  transition: .25s var(--ease);
}
.goal-list li:hover .goal-emoji {
  transform: scale(1.1) rotate(-6deg);
  background: color-mix(in srgb, var(--accent) 26%, transparent);
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
}

/* ── Özellikler ───────────────────────────────────────────────────────────── */
.feature-list { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 12px; margin: 0; }
.feature-list li { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 15px 18px 15px 48px; position: relative; color: var(--text); font-size: 15px; transition: .25s var(--ease); box-shadow: var(--shadow-sm); }
.feature-list li:hover { border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); transform: translateY(-3px); box-shadow: var(--shadow-md); }
.feature-list li::before { content: "✓"; position: absolute; left: 15px; top: 50%; transform: translateY(-50%); width: 22px; height: 22px; border-radius: 7px; background: linear-gradient(150deg, var(--accent), color-mix(in srgb, var(--accent) 50%, #000)); color: #fff; font-size: 12px; font-weight: 900; display: grid; place-items: center; }
/* Emojili özelliklerde yeşil tik rozeti devre dışı — yerini emoji alır */
.feature-list li.has-emoji::before { content: none; }
.feature-emoji {
  position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  font-size: 19px; line-height: 1; transition: .25s var(--ease);
}
.feature-list li:hover .feature-emoji { transform: translateY(-50%) scale(1.2); }

/* ── Renk paleti ──────────────────────────────────────────────────────────── */
.palette-row { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px; }
.swatch { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: .25s var(--ease); cursor: pointer; box-shadow: var(--shadow-sm); }
.swatch:hover { transform: translateY(-5px); border-color: var(--border-strong); box-shadow: var(--shadow-md); }
.swatch-color { height: 100px; width: 100%; position: relative; }
.swatch-color::after { content: "kopyala"; position: absolute; inset: 0; display: grid; place-items: center; font-family: var(--mono); font-size: 12px; font-weight: 700; color: #fff; background: rgba(0,0,0,.35); opacity: 0; transition: .2s; text-shadow: 0 1px 4px rgba(0,0,0,.6); }
.swatch:hover .swatch-color::after { opacity: 1; }
.swatch.copied .swatch-color::after { content: "kopyalandı ✓"; opacity: 1; }
.swatch-info { padding: 14px 16px; display: flex; flex-direction: column; gap: 2px; }
.swatch-name { font-weight: 600; font-size: 14.5px; color: var(--text-bright); }
.swatch-hex { font-family: var(--mono); font-size: 13px; color: var(--accent-ink); text-transform: uppercase; font-weight: 600; }
.swatch-role { font-size: 12px; color: var(--muted-2); margin-top: 2px; }

/* ── Telefon mockup ───────────────────────────────────────────────────────── */
.phone-row { display: flex; gap: 26px; flex-wrap: wrap; padding: 30px 0 10px; }
.phone {
  width: 226px; aspect-ratio: 9 / 19; border-radius: 36px; padding: 9px; flex-shrink: 0;
  background: linear-gradient(160deg, #E8EDEB, #CBD5D1); border: 1px solid rgba(11, 18, 32, .16);
  box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255, 255, 255, .7);
  position: relative; transition: .3s var(--ease);
}
.phone:hover { transform: translateY(-8px); box-shadow: 0 36px 66px -22px rgba(11, 18, 32, .28), 0 0 40px -20px color-mix(in srgb, var(--accent) 55%, transparent); }
.phone::before { content: ""; position: absolute; top: 16px; left: 50%; transform: translateX(-50%); width: 66px; height: 6px; border-radius: 6px; background: rgba(11, 18, 32, .35); z-index: 3; }
.phone-screen { width: 100%; height: 100%; border-radius: 28px; overflow: hidden; background: #fff; position: relative; }
.phone-screen img { width: 100%; height: 100%; object-fit: cover; display: block; }
/* Görsel yokken sahte app önizlemesi */
.phone-faux .phone-screen { padding: 34px 18px 18px; display: flex; flex-direction: column; align-items: center; gap: 13px; background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 16%, #fff), #fff 62%); }
.fx-bar { width: 55%; height: 8px; border-radius: 4px; background: var(--accent); opacity: .6; margin-top: 4px; }
.fx-icon { width: 56px; height: 56px; border-radius: 16px; background: var(--accent); color: #fff; display: grid; place-items: center; font-family: var(--mono); font-weight: 800; font-size: 25px; margin: 6px 0; box-shadow: 0 8px 24px color-mix(in srgb, var(--accent) 45%, transparent); }
.fx-line { height: 10px; border-radius: 5px; background: rgba(15, 23, 42, .09); }
.fx-line.w90 { width: 90%; } .fx-line.w70 { width: 70%; } .fx-line.w50 { width: 50%; }
.fx-btn { margin-top: auto; width: 100%; height: 40px; border-radius: 13px; background: var(--accent); opacity: .85; }
.inline-code { font-family: var(--mono); font-size: .9em; background: var(--green-soft); border: 1px solid var(--border-green); border-radius: 6px; padding: 2px 7px; color: var(--green-ink); font-weight: 600; }

/* ── Forms ────────────────────────────────────────────────────────────────── */
.form-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-xl); padding: 38px; box-shadow: var(--shadow-md); }
.form { display: flex; flex-direction: column; gap: 18px; }
.form-row { display: flex; flex-direction: column; gap: 8px; }
.form-row label { font-family: var(--mono); font-weight: 500; font-size: 13px; color: var(--muted); }
.form input, .form textarea { background: var(--bg); border: 1px solid var(--border-strong); border-radius: 12px; padding: 14px 16px; color: var(--text-bright); font-size: 15px; font-family: var(--sans); transition: .2s var(--ease); }
.form input::placeholder, .form textarea::placeholder { color: var(--muted-2); }
.form input:focus, .form textarea:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 3px rgba(14, 143, 99, .16); }
.form-status { margin: 2px 0 0; font-size: 14px; min-height: 20px; font-family: var(--mono); }
.form-status.ok { color: var(--green-ink); font-weight: 600; }
.form-status.err { color: var(--red-ink); font-weight: 600; }
.contact-alt { margin-top: 24px; color: var(--muted); text-align: center; font-family: var(--mono); font-size: 14px; }
.contact-alt a { color: var(--green-ink); font-weight: 600; }

/* ── Legal ────────────────────────────────────────────────────────────────── */
/* Çift dilli politika sayfalarında dil geçişi (yalnızca EN sürümü olan
   uygulamalarda görünür — ör. iPu). Sayfa içi çapa, JS gerektirmez. */
.lang-switch { display: flex; gap: 10px; margin-bottom: 26px; flex-wrap: wrap; }
.lang-switch a {
  font-family: var(--mono); font-size: 13px; font-weight: 600;
  padding: 8px 15px; border-radius: 10px;
  background: var(--surface); border: 1px solid var(--border); color: var(--muted);
  box-shadow: var(--shadow-sm); transition: .2s var(--ease);
}
.lang-switch a:hover { color: var(--green-ink); border-color: var(--border-green); transform: translateY(-1px); }
.lang-switch a.active { color: var(--green-ink); border-color: var(--border-green); background: var(--green-soft); }
/* TR ve EN sürümleri arasındaki ayraç */
.legal-sep { margin: 64px 0 48px; border: none; height: 2px; background: var(--grad-line); opacity: .5; border-radius: 2px; }
/* Çapayla atlarken başlık sabit header'ın altında kalmasın */
.legal [id] { scroll-margin-top: 96px; }
.legal-date { font-family: var(--mono); color: var(--muted-2); font-size: 14px; margin-bottom: 36px; }
.legal-heading { font-family: var(--mono); font-size: 19px; font-weight: 700; margin: 34px 0 10px; color: var(--text-bright); }
.legal-body { color: var(--muted); margin: 0 0 10px; white-space: pre-line; line-height: 1.75; }
.legal-links { display: flex; gap: 22px; margin-top: 48px; flex-wrap: wrap; padding-top: 28px; border-top: 1px solid var(--border); font-family: var(--mono); font-size: 14px; }
.legal-links a { color: var(--accent-ink); font-weight: 600; transition: .2s; }
.legal-links a:hover { color: var(--text-bright); }

/* ── Status ───────────────────────────────────────────────────────────────── */
.center-page { text-align: center; min-height: 54vh; display: grid; place-content: center; }
.big-status { font-family: var(--mono); font-size: clamp(72px, 15vw, 150px); margin: 0 0 4px; font-weight: 800; line-height: 1; background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

/* ── Footer ───────────────────────────────────────────────────────────────── */
.site-footer { border-top: 1px solid var(--border); background: var(--bg-2); padding: 60px 0 42px; margin-top: 64px; }
.footer-grid { display: flex; justify-content: space-between; align-items: flex-start; gap: 44px; flex-wrap: wrap; margin-bottom: 40px; }
.footer-about { max-width: 340px; }
.footer-about .brand { margin-bottom: 14px; }
.footer-about p { color: var(--muted); font-size: 14.5px; margin: 0 0 18px; }
.footer-social { display: flex; gap: 10px; }
.footer-social .social-icon { width: 40px; height: 40px; border-radius: 11px; }
.footer-social .social-icon svg { width: 18px; height: 18px; }
.footer-col h4 { font-family: var(--mono); font-size: 12px; text-transform: uppercase; letter-spacing: 1.5px; color: var(--muted-2); margin: 0 0 14px; }
.footer-col a { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 14.5px; padding: 5px 0; transition: .2s; }
.footer-col a:hover { color: var(--green-ink); transform: translateX(2px); }
.footer-col .fdot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
/* Footer proje logosu — nokta yerine gerçek ikon */
.footer-col .fdot-logo { width: 18px; height: 18px; border-radius: 5px; object-fit: contain; box-shadow: none; }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 28px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer-copy { font-family: var(--mono); color: var(--muted-2); font-size: 12.5px; margin: 0; }

/* ── Scroll reveal ────────────────────────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } .brand-cursor, .t-blink, .chip .pulse { animation: none; } }

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 880px) {
  .dev-layout { grid-template-columns: 1fr; }
}
@media (max-width: 780px) {
  .container { padding: 0 20px; }
  /* Hamburger + menü paneli VIEWPORT'a sabitlenir (fixed). Header sticky
     olduğu için ikisi de kaydırmada üstte, hizalı kalır. body'nin
     overflow-x:hidden bağlamı absolute/statik konumu kırptığından fixed şart. */
  .nav-toggle { display: grid; position: fixed; top: 17px; right: 20px; z-index: 210; }
  .nav {
    position: fixed; top: 72px; left: 12px; right: 12px;
    flex-direction: column; align-items: stretch; gap: 4px; z-index: 205;
    background: rgba(255, 255, 255, .95); backdrop-filter: blur(20px) saturate(160%);
    -webkit-backdrop-filter: blur(20px) saturate(160%);
    border: 1px solid var(--border); border-radius: 16px; padding: 10px;
    box-shadow: var(--shadow-lg);
    transform: translateY(-10px) scale(.98); transform-origin: top right;
    opacity: 0; visibility: hidden; transition: .24s var(--ease);
  }
  body.nav-open .nav { transform: none; opacity: 1; visibility: visible; }
  .nav > a, .nav-drop-btn { padding: 13px 15px; font-size: 15px; border-radius: 11px; text-align: left; }
  .nav a.nav-cta { margin-left: 0; margin-top: 4px; text-align: center; }
  .nav-dropdown { display: block; }
  .nav-drop-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; background: transparent; border: none; padding: 2px 0 2px 14px; display: none; }
  .nav-dropdown.open .nav-drop-menu { display: block; }
  .section { padding: 74px 0; }
  .hero { padding: 92px 0 72px; }
  .app-hero { padding: 26px; }
  .footer-grid { gap: 30px; }
}