/* ═══════════════════════════════════════════════════════════════════
   RULER İÇ MİMARLIK — Design System + Global Styles
   v20260517n — light heritage theme, brass buttons site-wide
   ═══════════════════════════════════════════════════════════════════ */

/* @import MUST come first (CSS spec) */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;1,400;1,500&family=Inter:opsz,wght@14..32,300;14..32,400;14..32,500&display=swap');

/* ══════════════════════════════════════════════════════════════════
   CSS CUSTOM PROPERTIES
   ══════════════════════════════════════════════════════════════════ */

:root {
  /* Spacing scale */
  --bb-1: 4px;
  --bb-2: 8px;
  --bb-3: 16px;
  --bb-4: 24px;
  --bb-5: 32px;
  --bb-6: 48px;
  --bb-7: 64px;
  --bb-8: 80px;

  /* Layout */
  --bb-gutter:  32px;
  --bb-max-w:   1280px;

  /* Border radius */
  --bb-radius-lg: 24px;
  --bb-radius-md: 16px;
  --bb-radius-sm: 8px;

  /* Typography */
  --bb-sans:  'Inter', sans-serif;
  --bb-serif: 'Cormorant Garamond', Georgia, serif;

  /* ── Renk varsayılanları (Heritage teması — tweaks-panel yüklenmeden önce)
     Bu değerler body.theme-* sınıfı eklenmeden önce butonların ve
     diğer elemanların düzgün görünmesini sağlar.                        */
  --bb-bg:          #D8D8D6;
  --bb-surface:     #E6E6E4;
  --bb-surface2:    #D0D0CE;
  --bb-surface3:    #F1F1EF;
  --bb-dark:        #1F2023;
  --bb-text:        #1F2023;
  --bb-ink:         #1F2023;
  --bb-muted:       #777A7D;
  --bb-soft-text:   rgba(31,32,35,0.65);
  --bb-accent:      #9B7B5A;
  --bb-brass:       #9B7B5A;
  --bb-accent-pale: rgba(155,123,90,0.12);
  --bb-line:        rgba(0,0,0,0.08);
  --bb-line-hover:  rgba(155,123,90,0.4);
  --bb-warm-grey:   #9A9C9E;
}

/* ── Heritage Teması (varsayılan) — Soft Concrete Light ── */
body.theme-heritage {
  --bb-bg:         #D8D8D6;   /* soft concrete grey — ana zemin */
  --bb-surface:    #E6E6E4;   /* kartlar, bölüm zeminleri */
  --bb-surface2:   #D0D0CE;   /* limestone — meta bar, istatistik */
  --bb-surface3:   #F1F1EF;   /* en açık yüzey */
  --bb-dark:       #1F2023;   /* koyu metin / footer */
  --bb-text:       #1F2023;
  --bb-ink:        #1F2023;
  --bb-muted:      #777A7D;
  --bb-soft-text:  rgba(31,32,35,0.65);
  --bb-accent:     #9B7B5A;   /* taupe pirinç */
  --bb-brass:      #9B7B5A;
  --bb-accent-pale: rgba(155,123,90,0.12);
  --bb-line:       rgba(0,0,0,0.08);
  --bb-line-hover: rgba(155,123,90,0.4);
  --bb-warm-grey:  #9A9C9E;

  background-color: var(--bb-bg);
  color: var(--bb-text);
}

/* ── Obsidian Teması ── */
body.theme-obsidian {
  --bb-bg:         #1A1C1F;
  --bb-surface:    #22252A;
  --bb-surface2:   #161819;
  --bb-surface3:   #2A2D33;
  --bb-dark:       #0D0F11;
  --bb-text:       #E2E4E9;
  --bb-ink:        #EEF0F5;
  --bb-muted:      #8A8E96;
  --bb-soft-text:  rgba(226,228,233,0.65);
  --bb-accent:     #6BA3C4;
  --bb-brass:      #6BA3C4;
  --bb-accent-pale: rgba(107,163,196,0.12);
  --bb-line:       rgba(255,255,255,0.07);
  --bb-line-hover: rgba(107,163,196,0.4);
  --bb-warm-grey:  #8A8E96;

  background-color: var(--bb-bg);
  color: var(--bb-text);
}

/* ── Dune Teması ── */
body.theme-dune {
  --bb-bg:         #EDE6D6;
  --bb-surface:    #E2D9C5;
  --bb-surface2:   #D6CDB8;
  --bb-surface3:   #F5F0E6;
  --bb-dark:       #1A1208;
  --bb-text:       #231908;
  --bb-ink:        #120D03;
  --bb-muted:      #7A6A52;
  --bb-soft-text:  rgba(35,25,8,0.65);
  --bb-accent:     #8B6234;
  --bb-brass:      #8B6234;
  --bb-accent-pale: rgba(139,98,52,0.12);
  --bb-line:       rgba(0,0,0,0.10);
  --bb-line-hover: rgba(139,98,52,0.4);
  --bb-warm-grey:  #6E5E4A;

  background-color: var(--bb-bg);
  color: var(--bb-text);
}

/* ══════════════════════════════════════════════════════════════════
   RESET + BASE
   ══════════════════════════════════════════════════════════════════ */

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

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

body {
  font-family: var(--bb-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

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

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

button {
  cursor: pointer;
  font-family: inherit;
}

ul {
  list-style: none;
}

/* ══════════════════════════════════════════════════════════════════
   UTILITY
   ══════════════════════════════════════════════════════════════════ */

.bb-wrap {
  max-width: var(--bb-max-w);
  margin-inline: auto;
  padding-inline: var(--bb-gutter);
}

/* ── Typography ── */
.bb-h1, .bb-h2, .bb-h3 {
  font-family: var(--bb-serif);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.bb-h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
.bb-h2 { font-size: clamp(1.75rem, 3.5vw, 3rem); }
.bb-h3 { font-size: clamp(1.125rem, 2vw, 1.5rem); }

.bb-lede {
  font-size: clamp(0.9375rem, 1.25vw, 1.0625rem);
  line-height: 1.75;
  color: var(--bb-muted);
}

.bb-eyebrow {
  font-family: var(--bb-sans);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bb-accent);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.bb-eyebrow::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--bb-accent);
  flex-shrink: 0;
}

/* ── Buttons ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: var(--bb-accent);
  color: #fff;
  border: 1px solid var(--bb-accent);
  border-radius: 4px;
  font-family: var(--bb-sans);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.btn-primary:hover {
  background: transparent;
  color: var(--bb-accent);
}

/* Footer CTA — dark buttons (non-bronze) */
.footer-cta .btn-primary {
  background: var(--bb-ink);
  border-color: var(--bb-ink);
  color: #fff;
}
.footer-cta .btn-primary:hover {
  background: transparent;
  color: var(--bb-ink);
  border-color: var(--bb-ink);
}
.footer-cta .btn-outline {
  color: var(--bb-ink);
  border-color: var(--bb-ink);
}
.footer-cta .btn-outline:hover {
  background: var(--bb-ink);
  color: #fff;
  border-color: var(--bb-ink);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: transparent;
  color: var(--bb-accent);
  border: 1px solid var(--bb-accent);
  border-radius: 4px;
  font-family: var(--bb-sans);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.btn-outline:hover {
  background: var(--bb-accent);
  color: #fff;
  border-color: var(--bb-accent);
}

/* ── Skip link ── */
.skip-link {
  position: absolute;
  top: -999px;
  left: 8px;
  z-index: 9999;
  padding: 8px 16px;
  background: var(--bb-accent);
  color: #fff;
  font-size: 0.875rem;
  border-radius: 4px;
}

.skip-link:focus {
  top: 8px;
}

/* ── Page section ── */
.page-section {
  padding-top: var(--bb-8);
  padding-bottom: var(--bb-8);
}

/* ══════════════════════════════════════════════════════════════════
   HEADER
   ══════════════════════════════════════════════════════════════════ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: background 0.35s ease, box-shadow 0.35s ease, padding 0.3s ease;
  padding: var(--bb-4) 0;
}

.site-header.transparent {
  background: rgba(255,255,255,0.3);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  color: #fff;
}

.site-header.scrolled {
  background: rgba(255,255,255,0.3);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(0,0,0,0.06);
  color: var(--bb-dark);
}

/* Mega menü açıkken header'ın kendi arka planı kalkar — blur mega-panel'den gelir */
.site-header.mega-open {
  background: transparent !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  box-shadow: none !important;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--bb-4);
}

.header-logo {
  height: 50px;
  width: auto;
  display: block;
}

.header-logo-dark { display: none; }
.header-logo-light { display: block; }

.site-header.scrolled .header-logo-light { display: none; }
.site-header.scrolled .header-logo-dark  { display: block; }

/* Desktop nav */
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--bb-4);
  list-style: none;
}

.main-nav a {
  font-family: var(--bb-sans);
  font-size: 0.9375rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  opacity: 0.85;
  color: inherit;
  text-decoration: none;
  transition: opacity 0.2s;
}

.main-nav a:hover { opacity: 1; }

/* Lang buttons — pill container */
.lang-switcher {
  display: flex;
  align-items: center;
  border: 1px solid rgba(255,255,255,0.28);
  border-radius: 100px;
  padding: 2px;
  gap: 0;
}

.lang-btn {
  background: none;
  border: none;
  font-family: var(--bb-sans);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: inherit;
  opacity: 0.5;
  cursor: pointer;
  padding: 5px 10px;
  border-radius: 100px;
  transition: opacity 0.2s, background 0.2s;
}

.lang-btn.active {
  opacity: 1;
  font-weight: 600;
  background: rgba(255,255,255,0.14);
}
.lang-btn:hover { opacity: 0.9; }

/* Hamburger */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 6px 4px;
  color: inherit;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: currentColor;
  transition: transform 0.25s ease, opacity 0.25s ease;
  transform-origin: center;
}

.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

@media (max-width: 900px) {
  .main-nav  { display: none; }
  .hamburger { display: flex; }
}

/* Mobile drawer overlay */
.mobile-drawer-overlay {
  position: fixed;
  inset: 0;
  z-index: 149;
  background: rgba(0,0,0,0.6);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.mobile-drawer-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

/* Mobile drawer panel */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(360px, 90vw);
  z-index: 150;
  background: var(--bb-bg);
  padding: 80px var(--bb-5) var(--bb-6);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.3s ease;
}

.mobile-drawer.open { transform: translateX(0); }

.mobile-nav { list-style: none; }

.mobile-nav li a {
  display: block;
  font-size: 1rem;
  padding: 14px 0;
  border-bottom: 1px solid var(--bb-line);
  color: var(--bb-text);
  text-decoration: none;
  transition: color 0.2s;
}

.mobile-nav li a:hover { color: var(--bb-accent); }

.lang-btns { display: flex; gap: 8px; margin-top: var(--bb-5); }

/* ══════════════════════════════════════════════════════════════════
   HERO
   ══════════════════════════════════════════════════════════════════ */

.hero {
  position: relative;
  min-height: 100svh;
  min-height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.9s ease;
  z-index: 0;
}

.hero-slide.active { opacity: 1; }

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    to bottom,
    rgba(10,9,8,0.25) 0%,
    rgba(10,9,8,0.0)  25%,
    rgba(10,9,8,0.45) 65%,
    rgba(10,9,8,0.88) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 140px;
  padding-bottom: 200px;
}

.hero-inner { max-width: 680px; }

.hero-label {
  font-family: var(--bb-sans);
  font-size: 0.625rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  margin-bottom: 20px;
}

.hero-title {
  font-family: var(--bb-serif);
  font-size: clamp(3rem, 6vw, 6rem);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: #fff;
  margin-bottom: 24px;
}

.hero-sub {
  font-family: var(--bb-sans);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.6);
  max-width: 440px;
  margin-bottom: 36px;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: var(--bb-4);
  flex-wrap: wrap;
}

.hero-scroll {
  position: absolute;
  bottom: 220px;
  right: var(--bb-gutter);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.4);
  font-size: 0.5625rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}

/* ══════════════════════════════════════════════════════════════════
   HERO BOTTOM BAR (desktop base)
   ══════════════════════════════════════════════════════════════════ */

.hero-bottom-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 4;
}

.hero-bottom-bar .bb-wrap {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 0 var(--bb-gutter, 32px) 36px;
}

/* ── İç Sayfa Hero (PageHero component) ────────────────────────────────────── */
.ruler-page-hero {
  position: relative;
  width: 100%;
  min-height: 520px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: #1a1c1f; /* görsel yüklenemezse koyu zemin */
}

.ruler-page-hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ruler-page-hero .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(20,27,29,0.88) 0%, rgba(20,27,29,0.35) 60%, transparent 100%);
}

/* İçerik — anasayfa hero (.bb-wrap) ile aynı hizalama */
.ruler-page-hero .content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--bb-max-w, 1280px);
  margin-inline: auto;
  padding: clamp(32px, 5vw, 60px) var(--bb-gutter, 32px);
}

/* ── İç Sayfa Section Wrapper ───────────────────────────────────────────────── */
.ruler-section {
  max-width: var(--bb-max-w, 1280px);
  margin-inline: auto;
  width: 100%;
  padding: clamp(48px, 8vw, 100px) var(--bb-gutter, 32px);
}

@media (max-width: 900px) {
  .ruler-section { padding: 60px 24px; }
  .ruler-page-hero { min-height: 400px; }
}

/* ── İç Sayfa Butonlar ──────────────────────────────────────────────────────── */
.ruler-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: transparent;
  color: var(--bb-accent, #9B7B5A);
  border: 1px solid var(--bb-accent, #9B7B5A);
  border-radius: 4px;
  font-family: var(--bb-sans);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.ruler-btn:hover,
.ruler-btn-solid {
  background: var(--bb-accent, #9B7B5A);
  color: #fff;
}

.hero-featured {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: 1;
}

.hero-feat-thumb {
  width: 72px;
  height: 52px;
  border-radius: 6px;
  overflow: hidden;
  flex-shrink: 0;
  border: 1px solid rgba(255,255,255,0.2);
}

.hero-feat-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-feat-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero-feat-label {
  font-size: 0.625rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  font-family: var(--bb-sans, Inter, sans-serif);
}

.hero-feat-name {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.85);
  font-family: var(--bb-sans, Inter, sans-serif);
  font-weight: 300;
  letter-spacing: 0.02em;
}

.hero-counter-wrap {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-shrink: 0;
}

.hero-counter {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.45);
  font-family: var(--bb-sans, Inter, sans-serif);
  letter-spacing: 0.08em;
}

.hero-counter strong {
  color: rgba(255,255,255,0.9);
  font-weight: 400;
}

.hero-dots {
  display: flex;
  gap: 6px;
  align-items: center;
}

.hero-dot {
  width: 20px;
  height: 2px;
  background: rgba(255,255,255,0.25);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background 0.3s, width 0.3s;
  border-radius: 2px;
}

.hero-dot.active {
  background: rgba(255,255,255,0.9);
  width: 32px;
}

/* ══════════════════════════════════════════════════════════════════
   CLIENTS (logo marquee)
   ══════════════════════════════════════════════════════════════════ */

.section-clients {
  padding: var(--bb-7) 0;
  border-top: 1px solid var(--bb-line);
  overflow: hidden;
}

.clients-track {
  display: flex;
  gap: 48px;
  align-items: center;
  animation: clientsScroll 28s linear infinite;
  width: max-content;
}

@keyframes clientsScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.clients-track:hover { animation-play-state: paused; }

.client-logo {
  height: 40px;
  width: auto;
  object-fit: contain;
  opacity: 0.5;
  filter: grayscale(1) brightness(0.6);
  transition: opacity 0.25s, filter 0.25s;
  flex-shrink: 0;
}

.client-logo:hover {
  opacity: 1;
  filter: grayscale(0) brightness(1);
}

/* ══════════════════════════════════════════════════════════════════
   STATS BAND
   ══════════════════════════════════════════════════════════════════ */

.stats-band {
  padding: var(--bb-7) 0;
  border-top: 1px solid var(--bb-line);
  border-bottom: 1px solid var(--bb-line);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.stat-item {
  text-align: center;
  padding: var(--bb-5) var(--bb-4);
  border-right: 1px solid var(--bb-line);
}

.stat-item:last-child { border-right: none; }

.stat-num {
  font-family: var(--bb-serif);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 400;
  color: var(--bb-brass);
  line-height: 1;
  margin-bottom: 8px;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
}

.stat-num span {
  font-size: 0.55em;
  opacity: 0.8;
}

.stat-label {
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bb-muted);
}

/* ══════════════════════════════════════════════════════════════════
   INTRO / ABOUT SECTION
   ══════════════════════════════════════════════════════════════════ */

.section-intro {
  padding: var(--bb-8) 0;
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--bb-6);
  align-items: center;
}

.intro-img img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  border-radius: var(--bb-radius-lg);
}

.intro-text {
  padding: var(--bb-4) 0;
}

/* ══════════════════════════════════════════════════════════════════
   SERVICES
   ══════════════════════════════════════════════════════════════════ */

.section-services {
  padding: var(--bb-8) 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--bb-line);
  border: 1px solid var(--bb-line);
  border-radius: var(--bb-radius-sm);
  overflow: hidden;
  margin-top: var(--bb-6);
}

.service-card {
  display: block;
  padding: var(--bb-5) var(--bb-4);
  background: var(--bb-bg);
  text-decoration: none;
  color: var(--bb-text);
  transition: background 0.2s ease;
}

.service-card:hover { background: var(--bb-surface); }

.service-num {
  font-family: var(--bb-serif);
  font-size: 2.5rem;
  color: var(--bb-brass);
  opacity: 0.35;
  line-height: 1;
  margin-bottom: var(--bb-3);
}

.service-title {
  font-family: var(--bb-serif);
  font-size: 1.3125rem;
  font-weight: 400;
  margin-bottom: var(--bb-2);
  line-height: 1.25;
}

.service-sub {
  font-size: 0.8125rem;
  color: var(--bb-muted);
  line-height: 1.65;
}

.service-link {
  display: inline-block;
  margin-top: var(--bb-3);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bb-accent);
  transition: opacity 0.2s;
}

.service-card:hover .service-link { opacity: 0.7; }

/* ══════════════════════════════════════════════════════════════════
   PILLARS
   ══════════════════════════════════════════════════════════════════ */

.section-pillars {
  padding: var(--bb-8) 0;
  background: var(--bb-surface);
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--bb-4);
  margin-top: var(--bb-6);
}

.pillar-card {
  padding: var(--bb-5);
  border: 1px solid var(--bb-line);
  border-radius: var(--bb-radius-md);
  transition: border-color 0.25s ease;
}

.pillar-card:hover { border-color: var(--bb-brass); }

.pillar-icon {
  margin-bottom: var(--bb-3);
  font-size: 1.5rem;
  color: var(--bb-brass);
}

.pillar-title {
  font-family: var(--bb-serif);
  font-size: 1.1875rem;
  font-weight: 400;
  margin-bottom: var(--bb-2);
  line-height: 1.2;
}

.pillar-text {
  font-size: 0.875rem;
  color: var(--bb-muted);
  line-height: 1.65;
}

/* ══════════════════════════════════════════════════════════════════
   PROJECTS
   ══════════════════════════════════════════════════════════════════ */

.section-projects { padding: var(--bb-8) 0; background: rgba(255,255,255,0.5); }

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--bb-3);
  margin-bottom: var(--bb-5);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: var(--bb-4);
}

.project-card {
  display: block;
  position: relative;
  overflow: hidden;
  aspect-ratio: 3 / 2;
  border-radius: var(--bb-radius-sm);
  text-decoration: none;
  color: #fff;
}

.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
  display: block;
}

.project-card:hover img { transform: scale(1.05); }

.project-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--bb-4);
  background: linear-gradient(to top, rgba(10,9,8,0.88) 0%, transparent 100%);
}

.project-cat {
  font-size: 0.625rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--bb-brass);
  margin-bottom: 4px;
}

.project-name {
  font-family: var(--bb-serif);
  font-size: 1.125rem;
  font-weight: 400;
  line-height: 1.2;
}

.project-arrow {
  position: absolute;
  top: var(--bb-3);
  right: var(--bb-3);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  opacity: 0;
  transition: opacity 0.25s;
}

.project-card:hover .project-arrow { opacity: 1; }

/* ══════════════════════════════════════════════════════════════════
   FAQ
   ══════════════════════════════════════════════════════════════════ */

.section-faq { padding: var(--bb-8) 0; }

.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 var(--bb-6);
}

.faq-item { border-bottom: 1px solid var(--bb-line); }

.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: none;
  border: none;
  padding: var(--bb-4) 0;
  text-align: left;
  font-family: var(--bb-sans);
  font-size: 0.9375rem;
  color: var(--bb-text);
  cursor: pointer;
  gap: 16px;
  transition: color 0.2s;
}

.faq-q:hover  { color: var(--bb-accent); }
.faq-q.open   { color: var(--bb-accent); }

.faq-arrow {
  font-size: 1.25rem;
  line-height: 1;
  flex-shrink: 0;
  transition: transform 0.25s ease;
}

.faq-q.open .faq-arrow { transform: rotate(45deg); }

.faq-a {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--bb-muted);
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding-bottom: 0;
}

.faq-a.open {
  max-height: 500px;
  padding-bottom: var(--bb-4);
}

/* ══════════════════════════════════════════════════════════════════
   CONTACT
   ══════════════════════════════════════════════════════════════════ */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--bb-6);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--bb-3);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bb-muted);
}

.form-input,
.form-textarea {
  background: #fff;
  border: 1px solid rgba(0,0,0,0.15);
  border-radius: 8px;
  padding: 14px 16px;
  font-family: var(--bb-sans);
  font-size: 0.9375rem;
  color: var(--bb-dark);
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--bb-accent);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.contact-info-item { margin-bottom: var(--bb-4); }

.contact-info-label {
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bb-muted);
  margin-bottom: 4px;
}

.contact-info-val {
  display: block;
  font-size: 1.0625rem;
  color: var(--bb-ink);
  margin-bottom: 4px;
  transition: color 0.2s;
}

.contact-info-val:hover { color: var(--bb-accent); }

.contact-info-sub {
  font-size: 0.8125rem;
  color: var(--bb-muted);
}

/* ══════════════════════════════════════════════════════════════════
   FOOTER CTA
   ══════════════════════════════════════════════════════════════════ */

.footer-cta {
  padding: var(--bb-8) 0;
  background: var(--bb-surface);
  text-align: center;
}

.footer-cta-title {
  font-family: var(--bb-serif);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 400;
  line-height: 1.1;
  margin: var(--bb-3) 0 var(--bb-3);
}

.footer-cta-sub {
  max-width: 500px;
  margin-inline: auto;
  margin-bottom: var(--bb-6);
}

.footer-cta-btns {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--bb-3);
  flex-wrap: wrap;
}

/* ══════════════════════════════════════════════════════════════════
   SITE FOOTER
   ══════════════════════════════════════════════════════════════════ */

.site-footer {
  padding: var(--bb-8) 0 var(--bb-5);
  border-top: 1px solid var(--bb-line);
  background: #1F2023;
  color: rgba(230,230,228,0.75);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.75fr repeat(4, 1fr) 1.25fr;
  gap: var(--bb-5);
  margin-bottom: var(--bb-7);
}

.footer-logo {
  height: 44px;
  width: auto;
  filter: none;
  margin-bottom: var(--bb-3);
  display: block;
}

.footer-tagline {
  font-size: 0.8125rem;
  color: var(--bb-muted);
  line-height: 1.65;
}

.footer-social {
  display: flex;
  gap: 8px;
  margin-top: var(--bb-3);
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--bb-line);
  border-radius: 50%;
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--bb-muted);
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
}

.footer-social a:hover {
  border-color: var(--bb-accent);
  color: var(--bb-accent);
}

.footer-nav-title {
  font-size: 0.625rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(230,230,228,0.4);
  margin-bottom: var(--bb-3);
}

.footer-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-nav a {
  font-size: 0.875rem;
  color: rgba(230,230,228,0.55);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-nav a:hover { color: var(--bb-accent); }

.footer-contact-item {
  margin-bottom: var(--bb-2);
  font-size: 0.8125rem;
  color: rgba(230,230,228,0.55);
  line-height: 1.5;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--bb-3);
  padding-top: var(--bb-5);
  border-top: 1px solid rgba(255,255,255,0.07);
}

.footer-copy {
  font-size: 0.75rem;
  color: rgba(230,230,228,0.35);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: var(--bb-4);
}

.footer-links a {
  font-size: 0.75rem;
  color: rgba(230,230,228,0.35);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--bb-accent); }

/* ══════════════════════════════════════════════════════════════════
   COOKIE BANNER
   ══════════════════════════════════════════════════════════════════ */

.cookie-banner {
  position: fixed;
  bottom: var(--bb-4);
  left: var(--bb-4);
  right: var(--bb-4);
  z-index: 200;
  background: var(--bb-surface);
  border: 1px solid var(--bb-line);
  border-radius: var(--bb-radius-md);
  padding: var(--bb-4) var(--bb-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--bb-4);
  flex-wrap: wrap;
  transform: translateY(calc(100% + 32px));
  transition: transform 0.4s ease;
  box-shadow: 0 8px 40px rgba(0,0,0,0.5);
  max-width: 800px;
  margin-inline: auto;
  left: 50%;
  right: auto;
  transform: translateX(-50%) translateY(calc(100% + 32px));
  width: calc(100% - var(--bb-8));
}

.cookie-banner.show {
  transform: translateX(-50%) translateY(0);
}

.cookie-text {
  font-size: 0.8125rem;
  color: var(--bb-muted);
  flex: 1;
  min-width: 200px;
  line-height: 1.55;
}

.cookie-btns {
  display: flex;
  gap: var(--bb-2);
  flex-shrink: 0;
}

/* ══════════════════════════════════════════════════════════════════
   TWEAKS PANEL (dev only)
   ══════════════════════════════════════════════════════════════════ */

.tweaks-toggle {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 999;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bb-surface);
  border: 1px solid var(--bb-line);
  color: var(--bb-text);
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color 0.2s;
}

.tweaks-toggle:hover { border-color: var(--bb-accent); }

.tweaks-panel {
  position: fixed;
  bottom: 70px;
  right: 20px;
  z-index: 998;
  background: var(--bb-surface);
  border: 1px solid var(--bb-line);
  border-radius: var(--bb-radius-md);
  padding: var(--bb-4);
  width: 200px;
  display: none;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.tweaks-panel.open { display: block; }

.tweaks-label {
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bb-muted);
  margin-bottom: 8px;
  margin-top: 12px;
}

.tweaks-label:first-child { margin-top: 0; }

.tweaks-themes,
.tweaks-langs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.tweaks-btn {
  padding: 6px 12px;
  background: none;
  border: 1px solid var(--bb-line);
  border-radius: 4px;
  color: var(--bb-text);
  font-size: 0.75rem;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}

.tweaks-btn:hover  { border-color: var(--bb-accent); color: var(--bb-accent); }
.tweaks-btn.active { border-color: var(--bb-accent); color: var(--bb-accent); background: rgba(155,123,90,0.08); }

/* ══════════════════════════════════════════════════════════════════
   RESPONSIVE — Tablet + Mobile
   ══════════════════════════════════════════════════════════════════ */

/* ── MD: Tablet (768px - 1023px) ──────────────────────────────── */
@media (max-width: 1023px) {
  .hero-title { font-size: clamp(40px, 6vw, 80px); }

  .intro-grid { grid-template-columns: 1fr; gap: var(--bb-7); }
  .contact-grid { grid-template-columns: 1fr; }
  .about-grid   { grid-template-columns: 1fr; }

  .section-intro .bb-wrap { gap: var(--bb-7); }

  .footer-top { grid-template-columns: repeat(3, 1fr); gap: var(--bb-5); }

  .pillars-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ── SM: Büyük telefon (480px - 767px) ───────────────────────── */
@media (max-width: 767px) {
  :root {
    --bb-gutter:    20px;
    --bb-radius-lg: 20px;
    --bb-radius-md: 14px;
  }

  /* Hero */
  .hero-title { font-size: clamp(32px, 9vw, 56px); letter-spacing: -0.02em; line-height: 0.96; }
  .hero-sub   { font-size: 13px; }
  .hero-label { font-size: 0.5625rem; letter-spacing: 0.2em; }
  .hero-ctas  { flex-direction: column; align-items: flex-start; gap: 16px; margin-top: 32px; }
  .hero-ctas .btn-primary { width: 100%; text-align: center; min-height: 52px; display: flex; align-items: center; justify-content: center; }

  /* Butonlar */
  .btn-primary, .btn-outline { min-height: 44px; padding: 12px 24px; }

  /* Header */
  .site-header { padding: var(--bb-3) 0; }

  /* Stats */
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: var(--bb-3); }
  .stat-num   { font-size: clamp(32px, 8vw, 52px); }

  /* Services */
  .services-grid { grid-template-columns: 1fr; }
  .service-item  { padding: var(--bb-5) var(--bb-4); }

  /* Projects */
  .projects-grid { grid-template-columns: 1fr; }

  /* Intro */
  .intro-grid  { grid-template-columns: 1fr; gap: var(--bb-6); }
  .intro-img img { height: 280px; border-radius: var(--bb-radius-md); }

  /* About */
  .about-grid  { grid-template-columns: 1fr; }

  /* Footer */
  .footer-top { grid-template-columns: 1fr 1fr; gap: var(--bb-5); }
  .footer-logo { height: 36px; }
  .footer-tagline { font-size: 0.75rem; }

  /* Footer bottom */
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: var(--bb-3); }
  .footer-links  { flex-wrap: wrap; gap: var(--bb-3); }

  /* Mobile nav */
  .mobile-nav-panel { padding: 80px var(--bb-5) var(--bb-6); }
  .mob-acc-btn { padding: 14px 0; font-size: 1.1rem; min-height: 44px; }

  /* Footer CTA */
  .footer-cta { padding: var(--bb-8) var(--bb-5); }
  .footer-cta-btns { flex-direction: column; align-items: stretch; gap: var(--bb-3); }
  .footer-cta-btns .btn-primary,
  .footer-cta-btns .btn-outline { width: 100%; text-align: center; justify-content: center; }

  /* FAQ */
  .faq-grid { grid-template-columns: 1fr; }
  .faq-q    { padding: 16px; min-height: 44px; }

  /* Contact */
  .contact-grid { grid-template-columns: 1fr; gap: var(--bb-6); }

  /* Page hero */
  .page-hero { min-height: 320px; padding: 80px 0 40px; }
  .page-hero-inner { padding: 0 var(--bb-gutter); }
  .page-hero-inner h1 { font-size: clamp(28px, 7vw, 48px); }

  /* Pillars */
  .pillars-grid { grid-template-columns: 1fr; }

  /* Section spacing */
  section, .section-block { padding-top: var(--bb-8); padding-bottom: var(--bb-8); }

  /* Hub grids */
  .service-hub-grid { grid-template-columns: 1fr; }
  .related-projects { grid-template-columns: 1fr; }
}

/* ── XS: Küçük telefon (0 - 479px) ───────────────────────────── */
@media (max-width: 479px) {
  :root { --bb-gutter: 16px; }

  .hero-title { font-size: clamp(28px, 10vw, 44px); }
  .hero-content .bb-wrap { padding: 0 var(--bb-gutter); }
  .hero-bottom-bar .bb-wrap { padding: 0 var(--bb-gutter) 24px; }
  .hero-feat-thumb { display: none; }
  .hero-scroll { display: none; }
  .hero-counter-wrap { margin-left: auto; }

  .stats-grid { grid-template-columns: 1fr 1fr; gap: var(--bb-2); }
  .stat-item  { padding: var(--bb-4) var(--bb-3); }
  .stat-num   { font-size: clamp(28px, 9vw, 40px); }

  .footer-top { grid-template-columns: 1fr; gap: var(--bb-5); }

  .btn-primary, .btn-outline { width: 100%; justify-content: center; }

  .services-grid { grid-template-columns: 1fr; }

  .mega-panel { padding: 0; }

  .tweaks-panel { bottom: 0; right: 0; left: 0; border-radius: var(--bb-radius-md) var(--bb-radius-md) 0 0; }

  .project-gallery img { height: 220px; }

  .ruler-form input,
  .ruler-form textarea { font-size: 16px; min-height: 44px; }
  .ruler-form textarea { min-height: 120px; }

  .contact-info-val { font-size: 0.9375rem; }

  .ruler-map { height: 260px; }
}

/* ── Touch hedefleri ── */
@media (hover: none) and (pointer: coarse) {
  .btn-primary, .btn-outline { min-height: 48px; }
  .faq-q, .mob-acc-btn, .footer-social a { min-height: 44px; }
  .hero-dot { width: 12px; height: 12px; border-radius: 50%; }
  .mega-link, .mob-acc-sub a { min-height: 44px; display: flex; align-items: center; }
  input, textarea, select { font-size: 16px; }
}