/* =============================================
   CBA MEKANİK — GLOBAL.CSS
   Temel değişkenler, reset, layout,
   nav/footer stilleri (header.php & footer.php
   kendi <style> bloklarını da içerir — override eder)
   ============================================= */

/* ---- DESIGN TOKENS ---- */
:root {
  --black:         #0a0a0a;
  --black-soft:    #111111;
  --black-mid:     #1a1a1a;
  --white:         #f5f4f0;
  --gray-light:    #e8e7e3;
  --gray-mid:      #999999;
  --accent:        #c8b89a;
  --accent-dark:   #8a7560;
  --accent-hover:  #d4c8b0;
  --border-dark:   rgba(255,255,255,0.07);
  --border-light:  rgba(0,0,0,0.09);
  --nav-h:         76px;
  --transition:    0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --font-display:  'Barlow Condensed', sans-serif;
  --font-body:     'Barlow', sans-serif;
  --font-mono:     'IBM Plex Mono', monospace;
}

/* ---- RESET ---- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font-body);
  background: var(--black);
  color: var(--white);
  overflow-x: hidden;
  cursor: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
}
a    { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
img  { max-width: 100%; display: block; }
svg  { display: block; }
button { cursor: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ---- CUSTOM CURSOR ---- */
.cursor {
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 9999;
  mix-blend-mode: difference;
  will-change: transform;
}
.cursor-ring {
  width: 34px; height: 34px;
  border: 1px solid rgba(200,184,154,0.5);
  border-radius: 50%;
  position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 9998;
  will-change: transform;
  transition: border-color 0.3s;
}
/* Cursor gizle — touch cihazlarda */
@media (hover: none) {
  .cursor, .cursor-ring { display: none; }
  body { cursor: auto; }
  button { cursor: pointer; }
}

/* ---- NAVIGATION SHELL ---- */
nav#navbar {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 200;
  height: var(--nav-h);
  transition: background 0.4s ease,
              border-color 0.4s ease,
              backdrop-filter 0.4s;
  border-bottom: 1px solid transparent;
}
nav#navbar.scrolled {
  background: rgba(10,10,10,0.95);
  border-bottom-color: var(--border-dark);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.nav-inner {
  max-width: 1440px; margin: 0 auto;
  height: 100%; padding: 0 48px;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 0;
}
.nav-logo {
  font-family: var(--font-mono);
  font-size: 17px; font-weight: 700;
  letter-spacing: 0.06em; color: var(--white);
  white-space: nowrap;
  transition: opacity 0.2s;
}
.nav-logo:hover { opacity: 0.8; }

.nav-links {
  display: flex; align-items: center; gap: 36px;
}
.nav-center {
  justify-content: center;
}

/* Has-dropdown pozisyon */
.has-dropdown { position: relative; }

/* NAV END — sağda: teklif + dil + hamburger */
.nav-end {
  display: flex; align-items: center; gap: 20px;
  justify-self: end;
}

/* HAMBURGER */
.nav-hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; padding: 4px;
}
.nav-hamburger span {
  display: block; width: 24px; height: 1px;
  background: var(--white); transition: all 0.3s ease;
}

/* ---- LAYOUT UTILS ---- */
.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 48px;
}
.page-section         { padding: 120px 0; }
.page-section.bg-dark { background: var(--black-soft); }
.page-section.bg-gray { background: var(--gray-light); color: var(--black); }
.page-section.bg-black{ background: var(--black); }

/* ---- TYPOGRAPHY UTILS ---- */
.section-tag {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--accent);
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 16px;
}
.section-tag::before {
  content: ''; display: block;
  width: 24px; height: 1px;
  background: currentColor; flex-shrink: 0;
}

.section-heading {
  font-family: var(--font-display);
  font-size: clamp(48px, 6vw, 88px);
  font-weight: 700; text-transform: uppercase;
  letter-spacing: -0.01em; line-height: 0.92;
  margin-bottom: 56px; color: var(--white);
}
.section-heading strong {
  font-weight: 800; font-style: italic; color: var(--accent);
}
.section-heading.dark { color: var(--black); }
.section-heading.dark strong { color: var(--accent-dark); }

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 14px 28px;
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  transition: background var(--transition),
              color var(--transition),
              border-color var(--transition),
              gap var(--transition);
  white-space: nowrap;
  cursor: pointer;
}
.btn svg { width: 13px; height: 13px; flex-shrink: 0; transition: transform var(--transition); }
.btn:hover svg { transform: translateX(4px); }

.btn-accent {
  background: var(--accent); color: var(--black);
  border: 1px solid var(--accent);
}
.btn-accent:hover {
  background: var(--accent-hover); border-color: var(--accent-hover);
}
.btn-outline {
  background: transparent; color: var(--white);
  border: 1px solid var(--border-dark);
}
.btn-outline:hover {
  background: var(--accent); color: var(--black); border-color: var(--accent);
}
.btn-outline-dark {
  background: transparent; color: var(--black);
  border: 1px solid rgba(0,0,0,0.15);
}
.btn-outline-dark:hover {
  background: var(--black); color: var(--white); border-color: var(--black);
}

/* ---- PAGE HERO (inner pages) ---- */
.page-hero {
  padding: calc(var(--nav-h) + 80px) 0 80px;
  background: var(--black-soft);
  border-bottom: 1px solid var(--border-dark);
}
.page-hero-inner {
  max-width: 1440px; margin: 0 auto; padding: 0 48px;
  position: relative; z-index: 2;
}
.page-hero-breadcrumb {
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase;
  color: rgba(245,244,240,0.25);
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 28px;
}
.page-hero-breadcrumb a { transition: color 0.2s; }
.page-hero-breadcrumb a:hover { color: var(--accent); }
.page-hero-breadcrumb span { color: rgba(245,244,240,0.12); }

/* ---- FORM FIELDS ---- */
.form-field { position: relative; margin-bottom: 2px; }
.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  background: var(--black-mid);
  border: none; border-bottom: 1px solid var(--border-dark);
  padding: 28px 0 14px;
  color: var(--white);
  font-family: var(--font-body); font-size: 15px;
  outline: none; resize: none;
  transition: border-color 0.3s;
  appearance: none; -webkit-appearance: none;
}
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus { border-bottom-color: var(--accent); }
.form-field label {
  position: absolute; top: 20px; left: 0;
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(245,244,240,0.28); pointer-events: none;
  transition: top 0.25s, font-size 0.25s, color 0.25s;
}
.form-field input:focus ~ label,
.form-field input:not(:placeholder-shown) ~ label,
.form-field textarea:focus ~ label,
.form-field textarea:not(:placeholder-shown) ~ label {
  top: 8px; font-size: 9px; color: var(--accent);
}
.form-field textarea {
  min-height: 110px; padding-top: 36px;
}
.form-field select {
  color: rgba(245,244,240,0.4);
  padding-top: 20px; padding-bottom: 12px;
}
.form-field select:focus,
.form-field select.has-value {
  color: var(--white);
}
.form-field select option { background: var(--black-mid); color: var(--white); }

/* ---- SCROLL REVEAL ---- */
.reveal {
  opacity: 0; transform: translateY(36px);
  transition: opacity 0.8s cubic-bezier(0.16,1,0.3,1),
              transform 0.8s cubic-bezier(0.16,1,0.3,1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ---- KEYFRAMES ---- */
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}
@keyframes slideUp {
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: var(--border-dark); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-dark); }

/* ---- SELECTION ---- */
::selection { background: var(--accent); color: var(--black); }

/* ---- DIVIDERS ---- */
.h-line       { height: 1px; background: var(--border-dark); }
.h-line-light { height: 1px; background: var(--border-light); }

/* ---- RESPONSIVE ---- */
@media (max-width: 1199px) {
  .nav-inner { padding: 0 32px; }
  .nav-links { gap: 24px; }
}
@media (max-width: 991px) {
  .nav-links, .nav-quote { display: none !important; }
  .nav-inner { grid-template-columns: 1fr auto; padding: 0 24px; }
  .nav-hamburger { display: flex; }
  .container { padding: 0 24px; }
  .page-section { padding: 80px 0; }
  .section-heading { font-size: clamp(40px, 9vw, 64px); }
  .page-hero-inner { padding: 0 24px; }
  :root { --nav-h: 64px; }
}
@media (max-width: 600px) {
  .container { padding: 0 20px; }
  .btn { padding: 13px 20px; font-size: 10px; }
  .page-hero-breadcrumb { flex-wrap: wrap; gap: 6px; }
  /* Form alanları mobil */
  .form-field input,
  .form-field textarea,
  .form-field select { font-size: 16px; /* iOS zoom engelle */ }
}