/* ============================================================
   GLOBAL.CSS — Tasarım sistemi, reset, değişkenler
   Burayı düzenlersen tüm siteye yansır.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=DM+Mono:ital,wght@0,300;0,400;0,500;1,300&family=Syne:wght@400;700;800&display=swap');

@font-face {
  font-family: 'Gambarino-Regular';
  src: url('../WEB/fonts/Gambarino-Regular.woff2') format('woff2'),
       url('../WEB/fonts/Gambarino-Regular.woff') format('woff'),
       url('../WEB/fonts/Gambarino-Regular.ttf') format('truetype');
  font-weight: 400;
  font-display: swap;
  font-style: normal;
}

@font-face {
  font-family: 'Array-Regular';
  src: url('../WEB/WEB/fonts/Array-Regular.woff2') format('woff2'),
       url('../WEB/WEB/fonts/Array-Regular.woff') format('woff'),
       url('../WEB/WEB/fonts/Array-Regular.ttf') format('truetype');
  font-weight: 400;
  font-display: swap;
  font-style: normal;
}

/* ── Renk değişkenleri ────────────────────────────────────── */
:root {
  --bg:           #000000;
  --bg-2:         #0d0d0d;
  --bg-3:         #1a1a1a;
  --surface:      #111111;
  --border:       #2a2a2a;
  --border-light: #3d3d3d;

  --text:         #f5f5f0;
  --text-muted:   #888880;
  --text-dim:     #444440;

  --accent:       #ffffff;
  --accent-off:   #e8e8e0;

  --nav-h:        64px;

  /* Tipografi */
  --font-display: 'Bebas Neue', 'Arial Narrow', sans-serif;
  --font-body:    'Syne', sans-serif;
  --font-mono:    'DM Mono', 'Courier New', monospace;

  /* Animasyon easing */
  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:   cubic-bezier(0.7, 0, 0.84, 0);
  --ease-circ: cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  min-height: 100vh;
  overflow-x: hidden;
  cursor: default;
  /* Grain texture */
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
}

img, video {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
  color: inherit;
}

/* ── Yardımcı sınıflar ────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
}

/* ── Tipografi sınıfları ──────────────────────────────────── */
.display {
  font-family: var(--font-display);
  letter-spacing: 0.04em;
  line-height: 0.95;
}

/* Headings typography */
h1,
h1.display {
  font-family: 'Array-Regular', var(--font-display);
}

h2,
h2.display {
  font-family: 'Gambarino-Regular', var(--font-display);
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
}

/* ── Sayfa geçiş animasyonu ───────────────────────────────── */
.page-wrapper {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}

.page-wrapper.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Scroll bar ───────────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ── Scroll reveal ────────────────────────────────────────── */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity  0.75s var(--ease-out),
    transform 0.75s var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
}
[data-reveal].in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ── Custom cursor (mouse devices only) ───────────────────── */
.cursor-dot {
  position: fixed;
  top: 0; left: 0;
  width: 6px; height: 6px;
  margin: -3px 0 0 -3px;
  border-radius: 50%;
  background: var(--text);
  pointer-events: none;
  z-index: 9999;
  will-change: transform;
  mix-blend-mode: difference;
  transition: opacity 0.3s;
}
.cursor-ring {
  position: fixed;
  top: 0; left: 0;
  width: 38px; height: 38px;
  margin: -19px 0 0 -19px;
  border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,0.38);
  pointer-events: none;
  z-index: 9998;
  will-change: transform;
  transition:
    width  0.35s var(--ease-out),
    height 0.35s var(--ease-out),
    margin 0.35s var(--ease-out),
    border-color 0.3s,
    opacity 0.3s;
}
.cursor-ring.is-hovering {
  width: 54px; height: 54px;
  margin: -27px 0 0 -27px;
  border-color: rgba(255,255,255,0.72);
}
.cursor-dot.hidden, .cursor-ring.hidden { opacity: 0; }
body.has-custom-cursor * { cursor: none !important; }

/* ── Page header entrance animations ──────────────────────── */
@keyframes header-reveal {
  from { transform: translateY(36px); filter: blur(8px); opacity: 0; }
  to   { transform: translateY(0);    filter: blur(0);   opacity: 1; }
}
@keyframes fade-up-sm {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
.page-header-num   { animation: fade-up-sm    0.5s var(--ease-out) 0.1s  both; }
.page-header-title { animation: header-reveal 0.95s var(--ease-out) 0.22s both; }
.page-header-desc  { animation: fade-up-sm    0.6s var(--ease-out) 0.55s both; }

/* ── Shine sweep helper (used on cards) ───────────────────── */
@keyframes shine-sweep {
  from { transform: translateX(-100%) skewX(-15deg); }
  to   { transform: translateX(220%)  skewX(-15deg); }
}

/* ── Seçim rengi ──────────────────────────────────────────── */
::selection {
  background: var(--text);
  color: var(--bg);
}

/* ── Navbar ──────────────────────────────────────────────── */
.navbar {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--nav-h);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(8, 8, 8, 0.75);
  backdrop-filter: blur(22px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  z-index: 2000;
}

.nav-logo {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.nav-logo-text {
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: 0.12em;
}

.nav-logo-accent {
  color: var(--accent);
}

.nav-logo-sub {
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-page-indicator {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--text-muted);
}

.nav-sep {
  color: var(--border-light);
}

.hamburger {
  height: 48px;
  width: 48px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: grid;
  place-items: center;
  transition: border-color 0.3s, background 0.3s;
}

.hamburger:hover {
  border-color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.ham-line {
  width: 20px;
  height: 2px;
  background: var(--text);
  display: block;
  border-radius: 2px;
  transition: transform 0.3s var(--ease-out), opacity 0.2s;
}

.ham-line + .ham-line {
  margin-top: 5px;
}

.hamburger.is-open .ham-line-1 {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.is-open .ham-line-2 {
  opacity: 0;
}

.hamburger.is-open .ham-line-3 {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(30px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.45s var(--ease-out);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 2.5rem;
  overflow-y: auto;
  z-index: 2100;
}

.nav-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.nav-overlay-inner {
  width: min(1100px, 100%);
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(360px, 1.1fr);
  gap: 3rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(10, 10, 10, 0.65);
  padding: 2.5rem;
  margin-top: 0;
}

.nav-overlay-meta {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.nav-meta-label {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-muted);
}

.nav-meta-title {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  line-height: 1;
}

.nav-meta-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.nav-meta-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.chip {
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}

.nav-overlay-menu {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 2rem;
}

.nav-links {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.nav-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
  transition-delay: calc(var(--i) * 60ms);
}

.nav-overlay.is-open .nav-item {
  opacity: 1;
  transform: translateY(0);
}

.nav-link {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  padding: 1.1rem 0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.nav-link-num {
  color: var(--text-muted);
  font-size: 0.82rem;
}

.nav-link-label {
  font-size: 1rem;
  color: var(--text);
}

.nav-link-desc {
  grid-column: 2;
  grid-row: 2;
  font-size: 0.85rem;
  color: var(--text-muted);
  letter-spacing: 0;
  text-transform: none;
  margin-top: -0.2rem;
}

.nav-link.active .nav-link-label {
  color: var(--accent);
}

.nav-socials {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  letter-spacing: 0.1em;
}

.nav-social-link {
  font-size: 0.8rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

.nav-social-link:hover {
  color: var(--text);
}

body.nav-open {
  overflow: hidden;
}

@media (max-width: 960px) {
  .nav-overlay-inner {
    grid-template-columns: 1fr;
  }

  .nav-overlay-menu {
    gap: 1rem;
  }
}

@media (max-height: 900px) {
  .nav-overlay {
    padding: 1rem 1.5rem;
  }

  .nav-overlay-inner {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    padding: 1.35rem;
  }

  .nav-overlay-meta {
    display: none;
  }

  .nav-overlay-menu {
    justify-content: flex-start;
  }

  .nav-link {
    padding: 0.8rem 0;
  }
}

@media (max-width: 640px) {
  .navbar {
    padding: 0 1.25rem;
  }

  .nav-logo-sub,
  .nav-page-indicator {
    display: none;
  }

  .nav-overlay {
    padding: 1.5rem;
  }

  .nav-overlay-inner {
    padding: 1.8rem;
  }
}