/* ==========================================================================
   KAMPÜS PANEL - Premium Corporate & Modern Showcase Stylesheet
   Palette: Beyaz (#FFFFFF), Kurumsal Asil Lacivert (#0D1D41), Canlı Turkuaz (#00A3C4), Gold Yaldız (#D4AF37)
   Geliştirici: Rezan Gök & Kampüs Panel
   ========================================================================== */

:root {
  --kp-white: #ffffff;
  --kp-light-bg: #f8fafc;
  --kp-light-card: #ffffff;
  --kp-navy-dark: #07152f;
  --kp-navy-primary: #0d1d41;
  --kp-navy-deep: #0a1733;
  --kp-navy-subtle: #1e293b;
  --kp-turkuaz: #00a3c4;
  --kp-turkuaz-bright: #06b6d4;
  --kp-turkuaz-light: #e0f7fa;
  --kp-gold: #d4af37;
  --kp-gold-bright: #f59e0b;
  --kp-gold-light: #fef9c3;
  --kp-text-dark: #0f172a;
  --kp-text-muted: #475569;
  --kp-border-light: rgba(13, 29, 65, 0.08);
  --kp-border-hover: rgba(0, 163, 196, 0.4);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 9px;
}
::-webkit-scrollbar-track {
  background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 999px;
  border: 2px solid #f1f5f9;
}
::-webkit-scrollbar-thumb:hover {
  background: #00a3c4;
}

/* Base Body Styles */
body {
  background-color: var(--kp-light-bg);
  color: var(--kp-text-dark);
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background-color: rgba(0, 163, 196, 0.2);
  color: #0d1d41;
}

/* Ambient Subtle Lighting & Hero Gradient */
.hero-gradient-bg {
  background: radial-gradient(circle at 50% 20%, #112d59 0%, #0d1d41 45%, #081733 100%);
  position: relative;
}

.ambient-hero-glow {
  position: absolute;
  top: -15%;
  right: 15%;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(0, 195, 230, 0.22) 0%, rgba(8, 23, 51, 0) 70%);
  filter: blur(85px);
  pointer-events: none;
}

.ambient-gold-glow {
  position: absolute;
  bottom: -5%;
  left: 10%;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.18) 0%, rgba(8, 23, 51, 0) 70%);
  filter: blur(85px);
  pointer-events: none;
}

/* Canvas Particle Container */
#particles-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

/* Glass & Card Styles */
.glass-nav {
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--kp-border-light);
  box-shadow: 0 4px 20px -2px rgba(13, 29, 65, 0.05);
}

.card-premium {
  background: #ffffff;
  border: 1px solid var(--kp-border-light);
  border-radius: 1.5rem;
  box-shadow: 0 10px 30px -5px rgba(13, 29, 65, 0.06);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.card-premium:hover {
  transform: translateY(-5px);
  border-color: var(--kp-border-hover);
  box-shadow: 0 20px 40px -10px rgba(0, 163, 196, 0.18);
}

/* Brand Text Gradients */
.text-gradient-turkuaz {
  background: linear-gradient(135deg, #00c2e0 0%, #06b6d4 50%, #0284c7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-gold {
  background: linear-gradient(135deg, #fbbf24 0%, #d4af37 60%, #b45309 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Badges */
.badge-gold {
  background: rgba(212, 175, 55, 0.12);
  color: #b45309;
  border: 1px solid rgba(212, 175, 55, 0.35);
}

.badge-turkuaz {
  background: rgba(0, 163, 196, 0.12);
  color: #0891b2;
  border: 1px solid rgba(0, 163, 196, 0.3);
}

/* Button Styles */
.btn-turkuaz {
  background: linear-gradient(135deg, #00a3c4 0%, #0284c7 100%);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(0, 163, 196, 0.3);
  transition: all 0.3s ease;
}
.btn-turkuaz:hover {
  background: linear-gradient(135deg, #06b6d4 0%, #0369a1 100%);
  box-shadow: 0 8px 25px rgba(0, 163, 196, 0.45);
  transform: translateY(-2px);
}

.btn-navy {
  background: #0d1d41;
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(13, 29, 65, 0.2);
  transition: all 0.3s ease;
}
.btn-navy:hover {
  background: #1e3a8a;
  transform: translateY(-2px);
}

/* Device Simulator in Modal (Ultra-Gerçekçi Ölçeklendirme & Scroll Desteği) */
.device-frame {
  position: relative;
  background: #ffffff;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  margin: 0 auto;
}

/* Masaüstü Modu */
.device-frame.mode-desktop {
  width: 100%;
  max-width: 860px;
  border-radius: 16px;
  border: 1px solid #cbd5e1;
  box-shadow: 0 20px 45px -10px rgba(13, 29, 65, 0.22);
  overflow: hidden;
}

.device-frame.mode-desktop .device-header-dots {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 10px 16px;
  background: #f1f5f9;
  border-bottom: 1px solid #e2e8f0;
}

.device-frame.mode-desktop .device-browser-bar {
  flex-grow: 1;
  margin: 0 12px;
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  padding: 4px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: monospace;
  font-size: 11px;
  color: #334155;
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.04);
}

.device-frame.mode-desktop .device-screen {
  width: 100%;
  height: 480px;
  overflow-y: auto;
  overflow-x: hidden;
  background: #0f172a;
  position: relative;
  scroll-behavior: smooth;
}

.device-frame.mode-desktop .device-screen img {
  width: 100%;
  height: auto;
  min-height: 100%;
  display: block;
}

/* Mobil Cihaz Modu (iPhone 15 Pro Tarzı) */
.device-frame.mode-mobile {
  width: 320px;
  height: 600px;
  border-radius: 46px;
  border: 10px solid #1e293b;
  background: #000000;
  box-shadow: 0 25px 50px -12px rgba(13, 29, 65, 0.35), inset 0 0 0 2px #475569;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.device-frame.mode-mobile .device-header-dots {
  display: none;
}

.device-frame.mode-mobile .mobile-island {
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 90px;
  height: 20px;
  background: #000000;
  border-radius: 9999px;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 8px;
}

.device-frame.mode-mobile .mobile-island::after {
  content: '';
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #111827;
  border: 1.5px solid #1e293b;
}

.device-frame.mode-mobile .device-screen {
  width: 100%;
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  background: #ffffff;
  border-radius: 36px;
  position: relative;
  scroll-behavior: smooth;
}

.device-frame.mode-mobile .device-screen img {
  width: 100%;
  height: auto;
  min-height: 100%;
  display: block;
}

.device-frame.mode-mobile .mobile-home-indicator {
  position: absolute;
  bottom: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 9999px;
  z-index: 30;
  pointer-events: none;
}

.device-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

/* Custom Scrollbar for Simulator */
.device-screen::-webkit-scrollbar {
  width: 6px;
}
.device-screen::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.05);
}
.device-screen::-webkit-scrollbar-thumb {
  background: rgba(13, 29, 65, 0.3);
  border-radius: 3px;
}
.device-screen::-webkit-scrollbar-thumb:hover {
  background: #00a3c4;
}

/* Brand Logo Proportions in Navbar (Makul, Belirgin ve Prestijli Boyut) */
.nav-brand-logo {
  height: 54px;
  width: auto;
  max-width: 260px;
  object-fit: contain;
  transition: transform 0.25s ease;
}
@media (min-width: 640px) {
  .nav-brand-logo {
    height: 66px;
    max-width: 320px;
  }
}
@media (min-width: 1024px) {
  .nav-brand-logo {
    height: 74px;
    max-width: 360px;
  }
}

/* Brand Logo in Footer */
.footer-brand-logo {
  height: 64px;
  width: auto;
  max-width: 300px;
  object-fit: contain;
  transition: transform 0.25s ease;
}
@media (min-width: 640px) {
  .footer-brand-logo {
    height: 76px;
    max-width: 340px;
  }
}
@media (min-width: 1024px) {
  .footer-brand-logo {
    height: 84px;
    max-width: 380px;
  }
}

/* Filter Button Active State */
.filter-btn {
  background: #ffffff;
  color: #475569;
  border: 1px solid #e2e8f0;
  transition: all 0.25s ease;
}
.filter-btn:hover {
  border-color: #00a3c4;
  color: #00a3c4;
}
.filter-btn.active {
  background: linear-gradient(135deg, #0d1d41 0%, #0a2540 100%);
  color: #ffffff;
  border-color: #0d1d41;
  box-shadow: 0 4px 15px rgba(13, 29, 65, 0.25);
}

/* Koyu Hero Başlıklarında Filtre Butonları */
.hero-gradient-bg .filter-btn {
  background: rgba(255, 255, 255, 0.12);
  color: #f1f5f9;
  border: 1px solid rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(8px);
}
.hero-gradient-bg .filter-btn:hover {
  background: rgba(255, 255, 255, 0.22);
  border-color: #00a3c4;
  color: #ffffff;
}
.hero-gradient-bg .filter-btn.active {
  background: #00a3c4;
  color: #ffffff;
  border-color: #00a3c4;
  box-shadow: 0 4px 20px rgba(0, 163, 196, 0.4);
}

/* Active Nav Link Marker */
.nav-link {
  position: relative;
  color: #334155;
  font-weight: 600;
  transition: color 0.25s ease;
}
.nav-link:hover, .nav-link.active {
  color: #00a3c4;
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 2.5px;
  background: linear-gradient(90deg, #00a3c4, #d4af37);
  border-radius: 999px;
}

/* Modern Aydınlık & Ferah Footer Tasarımı (Görsel 3 Çözümü) */
.footer-modern {
  background: #ffffff;
  border-top: 1px solid #e2e8f0;
  color: #475569;
}

/* WhatsApp Ultra-Modern Floating Support Card (Görsel 5 Çözümü) */
.wa-support-card {
  position: fixed;
  bottom: 96px;
  right: 24px;
  width: 360px;
  max-width: calc(100vw - 32px);
  background: #ffffff;
  border-radius: 1.5rem;
  box-shadow: 0 25px 60px -12px rgba(13, 29, 65, 0.28), 0 0 0 1px rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(226, 232, 240, 0.9);
  z-index: 45;
  overflow: hidden;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
.wa-support-card.hidden {
  opacity: 0;
  transform: translateY(24px) scale(0.92);
  pointer-events: none;
}
.wa-chat-body {
  background-color: #efeae2;
  background-image: radial-gradient(#d1c7b7 0.75px, transparent 0.75px);
  background-size: 16px 16px;
}
.wa-bubble {
  position: relative;
  background: #ffffff;
  border-radius: 0 1rem 1rem 1rem;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}
.wa-bubble::before {
  content: '';
  position: absolute;
  top: 0;
  left: -8px;
  width: 0;
  height: 0;
  border-top: 10px solid #ffffff;
  border-left: 8px solid transparent;
}

/* Cookie Banner */
#cookieBanner {
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
}
#cookieBanner.banner-hidden {
  transform: translateY(120%);
  opacity: 0;
  pointer-events: none;
}

/* Generic Modal Transitions */
.modal-overlay {
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.modal-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.modal-overlay:not(.hidden) {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* =========================================================================
   MOBİL MENÜ YÖNLENDİRME ROZETİ ("Menü için dokunun" - Görsel 4)
   ========================================================================= */
/* Mobil Menü Buton İpucu Konuşma Balonu (Bilge Çocuk / Kampüs Panel Dinamik Rozet) */
#mobile-menu-hint {
  display: none;
}

@media (max-width: 1023px) {
  #mobile-menu-btn {
    position: relative;
  }

  #mobile-menu-hint:not([hidden]) {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    position: absolute;
    top: calc(100% + 9px);
    right: 0;
    padding: 7px 12px;
    border-radius: 14px;
    background: linear-gradient(135deg, #0D1D41 0%, #0092B0 100%);
    color: #ffffff;
    font-size: 11px;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: 0.02em;
    white-space: nowrap;
    box-shadow: 0 8px 24px rgba(0, 163, 196, 0.45), 0 3px 8px rgba(13, 29, 65, 0.35);
    border: 1.5px solid rgba(255, 255, 255, 0.35);
    animation: kp-menu-hint-float 2.2s ease-in-out infinite;
    z-index: 60;
    pointer-events: auto;
    cursor: pointer;
  }

  #mobile-menu-hint::after {
    content: '';
    display: inline-block;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background-color: #00E5FF;
    box-shadow: 0 0 10px #00E5FF, 0 0 4px #fff;
    animation: kp-hint-pulse 1.6s ease-in-out infinite;
    flex-shrink: 0;
  }

  #mobile-menu-hint::before {
    content: '';
    position: absolute;
    top: -6px;
    right: 17px;
    width: 11px;
    height: 11px;
    background: #0D1D41;
    border-left: 1.5px solid rgba(255, 255, 255, 0.35);
    border-top: 1.5px solid rgba(255, 255, 255, 0.35);
    transform: rotate(45deg);
  }
}

@keyframes kp-menu-hint-float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
}

@keyframes kp-hint-pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.85;
  }
  50% {
    transform: scale(1.4);
    opacity: 1;
    box-shadow: 0 0 14px #00E5FF, 0 0 6px #fff;
  }
}

@media (prefers-reduced-motion: reduce) {
  #mobile-menu-hint:not([hidden]) {
    animation: none;
  }
}

/* =========================================================================
   MOBİL UYGULAMA HAVASINDA APP-MODAL MENÜ (Görsel 5 Çözümü)
   ========================================================================= */
#mobile-menu:not(.hidden) {
  display: block !important;
}
#mobile-menu.hidden {
  display: none !important;
}

/* App Touch Haptic Feedback */
.app-touch-tap {
  transition: transform 0.15s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.15s ease;
}
.app-touch-tap:active {
  transform: scale(0.95);
}

/* Mobil Alt Sabit Uygulama Barı (PWA App Bar) */
.mobile-bottom-bar {
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(255, 255, 255, 0.92);
  border-top: 1px solid rgba(226, 232, 240, 0.9);
  box-shadow: 0 -4px 20px rgba(13, 29, 65, 0.06);
}

/* Proje Önizleme Çerçevesi - Mobilde 16:10 Tam Sığma & Asla Kırpılmama */
.project-preview-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: #0D1D41;
}
.project-preview-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.project-preview-frame:hover img {
  transform: scale(1.04);
}

/* =========================================================================
   MOBİL BUTON & HERO YÜKLENME PERFORMANS İYİLEŞTİRMELERİ
   ========================================================================= */
.hero-gradient-bg {
  background-color: #0D1D41 !important;
}

@media (max-width: 640px) {
  /* portal.kampuspanel.com Girişi butonu mobilde tek satır ve esnek sığma */
  .hero-gradient-bg a[href*="portal.kampuspanel.com"] {
    white-space: nowrap !important;
    font-size: 0.8125rem !important;
    padding-left: 0.875rem !important;
    padding-right: 0.875rem !important;
    padding-top: 0.75rem !important;
    padding-bottom: 0.75rem !important;
    max-width: 100% !important;
  }
  
  .hero-gradient-bg a[href*="projelerimiz"] {
    white-space: nowrap !important;
    font-size: 0.875rem !important;
    padding-left: 1rem !important;
    padding-right: 1rem !important;
    padding-top: 0.75rem !important;
    padding-bottom: 0.75rem !important;
    max-width: 100% !important;
  }
}

/* KVKK & Çerez Modalları Mobil ve Masaüstü Kusursuz Görünüm */
#kvkkModal > div,
#cookieModal > div,
#cookieSettingsModal > div {
  max-height: 88vh;
  margin: auto;
  box-shadow: 0 25px 60px -15px rgba(13, 29, 65, 0.4);
}

@media (max-width: 640px) {
  #kvkkModal > div,
  #cookieModal > div,
  #cookieSettingsModal > div {
    max-height: 92vh;
    padding: 1.25rem !important;
    border-radius: 1.25rem !important;
  }
}