/* ===================================
   Cypar Mühendislik - Modern 2026 UI/UX
   Theme: Elevated Industrial (Dark Glassmorphism)
   =================================== */

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

:root {
  /* Teal Theme Colors (#1c6071 base) */
  --bg-primary: #0a1f28;
  --bg-secondary: #0f2f3d;
  --bg-tertiary: #1c6071;

  /* Accent Colors */
  --accent: #1c6071;
  --accent-glow: rgba(28, 96, 113, 0.4);
  --accent-alt: #2d8ca8;

  /* Text */
  --text-primary: #ffffff;
  --text-secondary: #b3dce5;
  --text-muted: #66b8cc;

  /* Glassmorphism */
  --glass-bg: rgba(28, 96, 113, 0.1);
  --glass-border: rgba(28, 96, 113, 0.3);
  --glass-blur: 20px;

  /* Shadows */
  --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px var(--accent-glow);

  /* Layout */
  --container-width: 1200px;
  --border-radius: 16px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===================================
   Reset & Base
   =================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

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

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ===================================
   Glassmorphism Header
   =================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  background: rgba(0, 26, 51, 0.85);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition);
}

.header.scrolled {
  padding: 12px 0;
  background: rgba(0, 26, 51, 0.95);
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-img {
  height: 60px;
  filter: brightness(0) invert(1);
  transition: var(--transition);
}

.logo-img:hover {
  filter: brightness(0) invert(1) drop-shadow(0 0 8px var(--accent));
}

.nav-menu {
  display: flex;
  gap: 32px;
}

.nav-link {
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-secondary);
  position: relative;
  padding: 8px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-alt));
  transition: var(--transition);
}

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

.nav-link:hover::after {
  width: 100%;
}

.cta-btn {
  background: linear-gradient(135deg, var(--accent), #0891b2);
  color: white;
  padding: 12px 24px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 15px var(--accent-glow);
}

.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--accent-glow);
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  gap: 3px;
  background: var(--glass-bg);
  padding: 3px;
  border-radius: 50px;
  border: 1px solid var(--glass-border);
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 4px 12px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.75rem;
  cursor: pointer;
  transition: var(--transition);
}

.lang-btn.active {
  background: var(--accent);
  color: white;
}

.lang-btn:hover:not(.active) {
  color: var(--text-primary);
}

.mobile-toggle {
  display: none;
  font-size: 1.5rem;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
}

/* ===================================
   Hero Section
   =================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 80%, var(--accent-glow) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(249, 115, 22, 0.15) 0%, transparent 50%),
    url('images/hero-section.jpg');
  background-size: cover, cover, cover;
  background-position: center;
  filter: brightness(0.3);
  z-index: -1;
}

.hero-content {
  text-align: center;
  max-width: 900px;
  padding: 40px;
}

.hero-tag {
  display: inline-block;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 24px;
  backdrop-filter: blur(10px);
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #0891b2);
  color: white;
  padding: 16px 32px;
  border-radius: 50px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 20px var(--accent-glow);
  transition: var(--transition);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-secondary {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  padding: 16px 32px;
  border-radius: 50px;
  font-weight: 600;
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.btn-secondary:hover {
  background: var(--glass-border);
}

/* ===================================
   Bento Grid Services
   =================================== */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  color: var(--accent);
  font-weight: 700;
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  font-weight: 400;
  margin-bottom: 16px;
  color: var(--text-secondary);
}

.section-desc {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: minmax(350px, auto);
  gap: 24px;
}

.bento-item {
  background: linear-gradient(135deg, #153844 0%, #1c6071 100%);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.bento-item:hover {
  border-color: var(--text-secondary);
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
}

.hvac-card {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-alt) 100%);
}

.service-img-wrapper {
  width: 100%;
  height: 240px;
  overflow: hidden;
  border-bottom: 1px solid var(--glass-border);
}

.service-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.bento-item:hover .service-img {
  transform: scale(1.1);
}

.bento-content {
  padding: 32px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.bento-icon {
  font-size: 2.5rem;
  color: #ffffff;
  margin-bottom: 16px;
  filter: drop-shadow(0 0 8px rgba(0, 0, 0, 0.3));
}

.bento-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.bento-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ===================================
   About Section
   =================================== */
.about-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
}

.about-content {
  max-width: 1000px;
  margin: 0 auto;
}

.why-cypar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.why-item {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 30px;
  border-radius: 16px;
  transition: var(--transition);
  text-align: left;
}

.why-item:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}

.why-icon {
  width: 50px;
  height: 50px;
  background: rgba(0, 191, 255, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--accent);
  font-size: 1.5rem;
}

.why-item h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.why-item p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}



/* ===================================
   Process Section
   =================================== */
.process-section {
  background: var(--bg-primary);
  /* Using primary bg to alternate with secondary bg of About Us */
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  margin-top: 40px;
  position: relative;
}

.process-item {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 40px 30px;
  border-radius: 20px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.process-item:hover {
  transform: translateY(-10px);
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}

.process-number {
  font-size: 4rem;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.1;
  position: absolute;
  top: -10px;
  right: 20px;
  transition: var(--transition);
}

.process-item:hover .process-number {
  opacity: 0.2;
  transform: scale(1.2);
}

.process-title {
  font-size: 1.3rem;
  margin-bottom: 16px;
  color: var(--text-primary);
  position: relative;
  z-index: 1;
}

.process-desc {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.6;
  position: relative;
  z-index: 1;
}

/* ===================================
   Footer
   =================================== */
.footer {
  background: var(--bg-secondary);
  padding: 80px 0 30px;
  border-top: 1px solid var(--glass-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-brand p {
  color: var(--text-secondary);
  margin-top: 20px;
  max-width: 280px;
}

.footer-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--text-secondary);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent);
  padding-left: 5px;
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid var(--glass-border);
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ===================================
   Animations
   =================================== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===================================
   Responsive
   =================================== */
@media (max-width: 1024px) {
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: auto;
  }

  .bento-item--large,
  .bento-item--tall {
    grid-column: span 1;
    grid-row: span 1;
  }

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

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

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-secondary);
    flex-direction: column;
    padding: 100px 40px;
    gap: 24px;
    transition: var(--transition);
    border-left: 1px solid var(--glass-border);
  }

  .nav-menu.active {
    right: 0;
  }

  .mobile-toggle {
    display: block;
  }

  .cta-btn {
    display: none;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .hero-title {
    font-size: 2.5rem;
  }
}

/* ===================================
   Contact Modal
   =================================== */
.contact-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(5px);
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.contact-modal.active {
  display: flex;
  opacity: 1;
}

.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  padding: 40px;
  border-radius: 20px;
  width: 90%;
  max-width: 500px;
  position: relative;
  text-align: center;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  transition: transform 0.3s ease;
}

.contact-modal.active .modal-content {
  transform: translateY(0);
}

.close-modal {
  position: absolute;
  top: 15px;
  right: 20px;
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.close-modal:hover {
  color: var(--accent);
}

.modal-title {
  font-size: 1.8rem;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.modal-desc {
  color: var(--text-secondary);
  margin-bottom: 30px;
}

.contact-options {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px;
  border-radius: 12px;
  font-weight: 600;
  color: white;
  transition: var(--transition);
  font-size: 1.1rem;
}

.contact-btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.contact-btn ion-icon {
  font-size: 1.5rem;
}

.whatsapp {
  background: #25D366;
  text-decoration: none;
}

.email {
  background: var(--accent);
  border: none;
  cursor: pointer;
  width: 100%;
}

.modal-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 10px 0;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.05);
  /* Very slight glass effect form input */
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.1);
}

.form-input::placeholder {
  color: var(--text-muted);
}

textarea.form-input {
  resize: vertical;
  min-height: 80px;
}

/* ===================================
   Services Section (Light Theme)
   =================================== */
#services {
  background: #f8fafc;
  position: relative;
  z-index: 2;
}

#services .section-title {
  background: linear-gradient(135deg, #0f172a 0%, #0891b2 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

#services .section-desc,
#services .section-tag {
  color: #475569;
}

#services .bento-item {
  background: #ffffff;
  border-color: #e2e8f0;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

#services .bento-item::before {
  opacity: 1;
  filter: none;
}

#services .bento-item:hover {
  border-color: var(--accent);
  transform: translateY(-5px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

#services .bento-item:hover::before {
  transform: scale(1.05);
}

#services .bento-title {
  color: #ffffff;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
}

#services .bento-desc {
  color: #f1f5f9;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
}

/* Icons in light theme services */
#services .bento-icon {
  background: rgba(255, 255, 255, 0.2);
  padding: 10px;
  border-radius: 12px;
  width: auto;
  height: auto;
  font-size: 2rem;
  color: #ffffff;
  backdrop-filter: blur(5px);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
  margin-bottom: 0;
}

#services .bento-content {
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(10px);
  padding: 24px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
}