/* ==========================================================================
   ÇANKAYA DEKORASYON & İÇ MİMARLIK — GLOBAL CSS
   Monokrom Çağdaş Mimari Paleti:
     Menü & Footer: #121417 (Derin Antrasit Siyahı)
     1. Kısım: #1E2229 (Mimari Grafit Kömürü)
     2. Kısım: #F8F9FA (Ferah Stüdyo Beyazı / Buzul Fildişi)
     Vurgular & Butonlar: #2C3440 (Titanyum Çelik)
     Kart Tabanları: #1A1E24 (Derin Grafit)
     İkincil Detaylar: #6C757D (Nötr Çelik Grisi)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  /* --------------------------------------------------------------------------
     MONOKROM ÇAĞDAŞ MİMARİ PALETİ (Modern Architectural Monochrome Suite)
     -------------------------------------------------------------------------- */
  --c-06141B: #121417; /* Menü, Mobil Menü, Footer, En Prestijli Derin Antrasit */
  --c-11212D: #1A1E24; /* Derin Grafit, Koyu Kart Zeminleri, Form Alanları, Çerçeveler */
  --c-253745: #2C3440; /* Titanyum Çelik, Vurgu Butonları, İkincil Düğmeler, Rozetler */
  --c-4A5C6A: #1E2229; /* 1. Sıra Bölüm Zeminleri (Hero, 3. & 5. Kısımlar: Mimari Grafit Kömürü) */
  --c-9BA8AB: #6C757D; /* Nötr Çelik Grisi, İkincil Metinler, İkonlar, Çerçeveler */
  --c-CCD0CF: #F8F9FA; /* 2. Sıra Bölüm Zeminleri (2., 4. & 6. Kısımlar: Ferah Stüdyo Beyazı) */

  /* Semantik Takma Adlar */
  --c-arch-anthracite: var(--c-06141B);
  --c-arch-card: var(--c-11212D);
  --c-arch-titanium: var(--c-253745);
  --c-arch-graphite: var(--c-4A5C6A);
  --c-arch-steel: var(--c-9BA8AB);
  --c-arch-white: var(--c-CCD0CF);

  /* Tipografi */
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Boyutlar ve Boşluklar */
  --container-max: 1220px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  --transition: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-main);
  background-color: var(--c-4A5C6A);
  color: var(--c-CCD0CF);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: opacity var(--transition), color var(--transition);
}

ul, ol {
  list-style: none;
}

button, input, textarea, select {
  font: inherit;
  color: inherit;
  border: none;
  background: transparent;
}

button {
  cursor: pointer;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 28px;
  padding-right: 28px;
}

/* --------------------------------------------------------------------------
   Tipografi ve Başlıklar
   -------------------------------------------------------------------------- */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.8rem, 5.5vw, 4.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h3 {
  font-size: 1.35rem;
  font-weight: 700;
}

p {
  font-size: 1rem;
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Butonlar
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  text-align: center;
  white-space: nowrap;
}

.btn-dark {
  background-color: var(--c-06141B);
  color: var(--c-CCD0CF);
  border: 1px solid var(--c-11212D);
}

.btn-dark:hover {
  background-color: var(--c-253745);
  color: var(--c-CCD0CF);
  border-color: var(--c-CCD0CF);
  transform: translateY(-2px);
}

.btn-navy {
  background-color: var(--c-253745);
  color: var(--c-CCD0CF);
  border: 1px solid var(--c-11212D);
}

.btn-navy:hover {
  background-color: var(--c-06141B);
  color: var(--c-CCD0CF);
}

.btn-light {
  background-color: var(--c-CCD0CF);
  color: var(--c-06141B);
  border: 1px solid var(--c-CCD0CF);
}

.btn-light:hover {
  background-color: var(--c-9BA8AB);
  color: var(--c-06141B);
}

.btn-gold {
  background-color: var(--c-CCD0CF);
  color: var(--c-06141B);
  border: 1px solid var(--c-CCD0CF);
}

.btn-gold:hover {
  background-color: var(--c-9BA8AB);
  color: var(--c-06141B);
}

.btn-outline {
  border: 1.5px solid var(--c-06141B);
  color: var(--c-06141B);
}

.btn-outline:hover {
  background-color: var(--c-06141B);
  color: var(--c-CCD0CF);
}

.btn-outline-dark {
  border: 1.5px solid var(--c-06141B);
  color: var(--c-06141B);
}

.btn-outline-dark:hover {
  background-color: var(--c-06141B);
  color: var(--c-CCD0CF);
}

.btn-outline-light {
  border: 1.5px solid var(--c-CCD0CF);
  color: var(--c-CCD0CF);
}

.btn-outline-light:hover {
  background-color: var(--c-CCD0CF);
  color: var(--c-06141B);
}

/* --------------------------------------------------------------------------
   Bölüm Başlığı Çizgisi ("— Our Services")
   -------------------------------------------------------------------------- */
.figma-section-label {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.figma-section-line {
  width: 44px;
  height: 2px;
  background-color: var(--c-06141B);
}

.figma-section-title {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* --------------------------------------------------------------------------
   Kalıcı İletişim Butonları (Floating Actions) - Şeffaf Cam (Glassmorphism)
   -------------------------------------------------------------------------- */
.floating-actions {
  position: fixed;
  bottom: 24px;
  right: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 999;
}

/* Video hero bölümündeyken WhatsApp ve Arama floating butonlarını gizle */
.has-hero-video .floating-actions {
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  pointer-events: none;
  transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              visibility 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.has-hero-video .floating-actions.is-active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

/* Şeffaf Cam Kare Butonlar (Hafif Kıvrımlı Kenarlar) */
.floating-btn {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(18, 20, 23, 0.52);
  background-image: linear-gradient(135deg, rgba(255, 255, 255, 0.16) 0%, rgba(18, 20, 23, 0.55) 100%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  backdrop-filter: blur(16px) saturate(180%);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-top-color: rgba(255, 255, 255, 0.4);
  border-left-color: rgba(255, 255, 255, 0.32);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3),
              inset 0 1px 1px rgba(255, 255, 255, 0.28),
              inset 0 -1px 1px rgba(0, 0, 0, 0.2);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  text-decoration: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.floating-btn:hover {
  background: rgba(44, 52, 64, 0.68);
  background-image: linear-gradient(135deg, rgba(255, 255, 255, 0.28) 0%, rgba(44, 52, 64, 0.72) 100%);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.48);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.42),
              inset 0 1px 2px rgba(255, 255, 255, 0.45);
  transform: translateY(-3px) scale(1.05);
}

.floating-btn:active {
  transform: translateY(-1px) scale(0.98);
}

.floating-btn.floating-btn-whatsapp:hover,
.floating-btn[href*="wa.me"]:hover {
  background: rgba(18, 48, 32, 0.68);
  background-image: linear-gradient(135deg, rgba(37, 211, 102, 0.38) 0%, rgba(18, 48, 32, 0.72) 100%);
  border-color: rgba(37, 211, 102, 0.58);
  box-shadow: 0 12px 32px rgba(37, 211, 102, 0.32),
              inset 0 1px 2px rgba(255, 255, 255, 0.45);
}

.floating-btn.floating-btn-phone:hover,
.floating-btn[href*="tel:"]:hover {
  background: rgba(25, 45, 65, 0.68);
  background-image: linear-gradient(135deg, rgba(255, 255, 255, 0.3) 0%, rgba(25, 45, 65, 0.72) 100%);
  border-color: rgba(255, 255, 255, 0.55);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.42),
              inset 0 1px 2px rgba(255, 255, 255, 0.45);
}

.floating-btn svg {
  width: 22px;
  height: 22px;
  display: block;
  stroke: currentColor;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.35));
}

.floating-btn.back-to-top {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(12px) scale(0.92);
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              visibility 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              background 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.floating-btn.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.floating-btn.back-to-top.visible:hover {
  transform: translateY(-3px) scale(1.05);
}

.floating-btn.back-to-top.visible:active {
  transform: translateY(-1px) scale(0.98);
}

/* Tooltip - Cam Efekti */
.floating-btn .tooltip {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%) translateX(4px);
  background: rgba(18, 20, 23, 0.78);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.floating-btn:hover .tooltip {
  opacity: 1 !important;
  visibility: visible !important;
  transform: translateY(-50%) translateX(0) !important;
  animation: none !important;
}

/* --------------------------------------------------------------------------
   Sayfa Açılışında Otomatik İpucu Animasyonu (WhatsApp & Bizi Arayın)
   Başa dön butonu hariç tutulur, açılışta belirip animasyonla kaybolur
   -------------------------------------------------------------------------- */
@keyframes tooltipAutoHint {
  0% {
    opacity: 0;
    transform: translateY(-50%) translateX(10px) scale(0.92);
    visibility: visible;
  }
  14% {
    opacity: 1;
    transform: translateY(-50%) translateX(0) scale(1);
    visibility: visible;
  }
  78% {
    opacity: 1;
    transform: translateY(-50%) translateX(0) scale(1);
    visibility: visible;
  }
  100% {
    opacity: 0;
    transform: translateY(-50%) translateX(6px) scale(0.95);
    visibility: hidden;
  }
}

.floating-actions.show-hint .floating-btn-whatsapp .tooltip,
.floating-actions.show-hint .floating-btn[href*="wa.me"] .tooltip {
  display: block;
  animation: tooltipAutoHint 3.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.floating-actions.show-hint .floating-btn-phone .tooltip,
.floating-actions.show-hint .floating-btn[href*="tel:"] .tooltip {
  display: block;
  animation: tooltipAutoHint 3.8s cubic-bezier(0.16, 1, 0.3, 1) 0.15s forwards;
}

/* Başa dön butonu açılış animasyonundan kesinlikle hariç tutulur */
.floating-actions.show-hint .floating-btn.back-to-top .tooltip {
  animation: none !important;
  opacity: 0 !important;
  visibility: hidden !important;
}

@media (max-width: 640px) {
  .floating-actions {
    bottom: 20px;
    right: 12px;
    gap: 8px;
  }

  .floating-btn {
    width: 44px;
    height: 44px;
    border-radius: 11px;
  }

  .floating-btn svg {
    width: 20px;
    height: 20px;
  }

  /* Mobilde varsayılan olarak tooltip gizlidir, yalnızca açılış ipucunda kompakt şekilde gösterilir */
  .floating-btn .tooltip {
    display: none;
    font-size: 0.75rem;
    padding: 5px 10px;
    border-radius: 6px;
    right: calc(100% + 8px);
  }

  .floating-actions.show-hint .floating-btn:not(.back-to-top) .tooltip {
    display: block;
  }
}

/* Toast Bildirimi */
.toast-notification {
  position: fixed;
  top: 90px;
  right: 24px;
  background-color: var(--c-06141B);
  color: var(--c-CCD0CF);
  border-left: 4px solid var(--c-CCD0CF);
  border-top: 1px solid var(--c-11212D);
  border-right: 1px solid var(--c-11212D);
  border-bottom: 1px solid var(--c-11212D);
  padding: 16px 22px;
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 30px rgba(18, 20, 23, 0.5);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 10000;
  transform: translateX(120%);
  transition: transform var(--transition);
}

.toast-notification.show {
  transform: translateX(0);
}

/* Erişilebilirlik */
:focus-visible {
  outline: 2px solid var(--c-CCD0CF);
  outline-offset: 2px;
}