/* 
  Çınar Universe Danışmanlık Yazılım Eğitim Teknoloji e-Ticaret İthalat İhracat Ltd. Şti.
  Modern Web Interface CSS
*/

:root {
  --bg-main: #060913;
  --bg-card: rgba(13, 20, 36, 0.7);
  --bg-card-hover: rgba(20, 31, 56, 0.85);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-glow: rgba(0, 242, 254, 0.4);
  
  --primary-cyan: #00f2fe;
  --primary-blue: #3b82f6;
  --primary-emerald: #10b981;
  --primary-gold: #f59e0b;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --container-max: 1280px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* Background Glowing Orbs */
.bg-ambient {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.25;
  animation: floatOrb 20s infinite alternate ease-in-out;
}

.orb-1 {
  width: 500px;
  height: 500px;
  background: var(--primary-cyan);
  top: -100px;
  left: -100px;
}

.orb-2 {
  width: 600px;
  height: 600px;
  background: var(--primary-blue);
  bottom: 10%;
  right: -150px;
  animation-delay: -5s;
}

.orb-3 {
  width: 450px;
  height: 450px;
  background: var(--primary-emerald);
  top: 40%;
  left: 30%;
  animation-delay: -10s;
}

@keyframes floatOrb {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(60px, 80px) scale(1.15); }
}

/* Layout Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Typography Helpers */
.text-gradient {
  background: linear-gradient(135deg, #00f2fe 0%, #4facfe 50%, #00e676 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gold {
  background: linear-gradient(135deg, #ffd700 0%, #ff9800 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: 9999px;
  background: rgba(0, 242, 254, 0.1);
  border: 1px solid rgba(0, 242, 254, 0.25);
  color: var(--primary-cyan);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1rem;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition);
  padding: 1.25rem 0;
  background: rgba(6, 9, 19, 0.4);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
}

.navbar.scrolled {
  padding: 0.8rem 0;
  background: rgba(6, 9, 19, 0.9);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
}

.brand-logo img {
  height: 48px;
  width: auto;
  border-radius: 8px;
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.3);
  transition: var(--transition);
}

.brand-logo:hover img {
  transform: scale(1.05);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.35rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.5px;
}

.brand-sub {
  font-size: 0.7rem;
  color: var(--primary-cyan);
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
  position: relative;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--primary-cyan);
}

.nav-cta {
  padding: 0.65rem 1.4rem;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary-cyan), var(--primary-blue));
  color: #060913 !important;
  font-weight: 700 !important;
  box-shadow: 0 4px 15px rgba(0, 242, 254, 0.3);
  transition: var(--transition);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 242, 254, 0.5);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding-top: 10rem;
  padding-bottom: 6rem;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: -1px;
}

.hero-text-box {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-left: 4px solid var(--primary-cyan);
  border-radius: 16px;
  padding: 1.75rem;
  backdrop-filter: blur(16px);
  margin-bottom: 2rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.hero-text-box p {
  color: var(--text-main);
  font-size: 1.05rem;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  gap: 1.25rem;
  align-items: center;
  flex-wrap: wrap;
}

.btn-primary {
  padding: 0.9rem 2rem;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary-cyan), var(--primary-blue));
  color: #060913;
  font-weight: 700;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: 0 10px 25px rgba(0, 242, 254, 0.3);
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 35px rgba(0, 242, 254, 0.5);
}

.btn-secondary {
  padding: 0.9rem 2rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  transition: var(--transition);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--primary-cyan);
  transform: translateY(-3px);
}

/* Hero Interactive Visual Card */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.logo-card-container {
  position: relative;
  width: 100%;
  max-width: 440px;
  border-radius: 24px;
  padding: 10px;
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.3), rgba(16, 185, 129, 0.1));
  box-shadow: 0 20px 50px rgba(0,0,0,0.6);
}

.logo-card-inner {
  background: #080e1a;
  border-radius: 20px;
  padding: 2.5rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--glass-border);
}

.logo-card-inner img {
  max-width: 220px;
  width: 100%;
  height: auto;
  border-radius: 16px;
  margin-bottom: 1.5rem;
  filter: drop-shadow(0 10px 20px rgba(0, 242, 254, 0.3));
  transition: var(--transition);
}

.logo-card-inner:hover img {
  transform: scale(1.04) rotate(1deg);
}

.logo-badge-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 1rem;
}

.tag-badge {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.3rem 0.75rem;
  border-radius: 8px;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Floating Stats Badge */
.stat-float {
  position: absolute;
  padding: 1rem 1.25rem;
  border-radius: 16px;
  background: rgba(13, 20, 36, 0.85);
  border: 1px solid var(--glass-border-glow);
  backdrop-filter: blur(16px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  gap: 1rem;
  z-index: 10;
}

.stat-float-1 {
  top: -20px;
  right: -20px;
  animation: floatAnim 6s ease-in-out infinite;
}

.stat-float-2 {
  bottom: -20px;
  left: -20px;
  animation: floatAnim 7s ease-in-out infinite reverse;
}

@keyframes floatAnim {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.stat-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(0, 242, 254, 0.15);
  color: var(--primary-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.stat-info h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
}

.stat-info p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Section Header */
.section-header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 4rem auto;
}

.section-header h2 {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: -0.5px;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* Services Section */
.services-section {
  padding: 6rem 0;
  position: relative;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2.25rem;
  backdrop-filter: blur(12px);
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.service-card:hover {
  transform: translateY(-8px);
  background: var(--bg-card-hover);
  border-color: var(--glass-border-glow);
  box-shadow: 0 15px 40px rgba(0, 242, 254, 0.15);
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.15), rgba(59, 130, 246, 0.15));
  border: 1px solid rgba(0, 242, 254, 0.3);
  color: var(--primary-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.service-tag {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--primary-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.service-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.85rem;
  color: #fff;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.btn-detail {
  background: none;
  border: none;
  color: var(--primary-cyan);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
  padding: 0;
}

.btn-detail:hover {
  gap: 0.75rem;
  color: #fff;
}

/* Modal Styling */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(4, 6, 14, 0.85);
  backdrop-filter: blur(12px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-box {
  background: #0b1120;
  border: 1px solid var(--glass-border-glow);
  border-radius: 24px;
  padding: 2.5rem;
  max-width: 600px;
  width: 90%;
  position: relative;
  box-shadow: 0 25px 60px rgba(0,0,0,0.8);
  transform: scale(0.9);
  transition: var(--transition);
}

.modal-overlay.active .modal-box {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: #fff;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

/* About / Vision Section */
.about-section {
  padding: 6rem 0;
  background: linear-gradient(180deg, rgba(6, 9, 19, 0) 0%, rgba(11, 17, 32, 0.6) 50%, rgba(6, 9, 19, 0) 100%);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}

.feature-item {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.feature-icon-box {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(0, 242, 254, 0.1);
  border: 1px solid rgba(0, 242, 254, 0.3);
  color: var(--primary-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.feature-text h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.35rem;
}

.feature-text p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Global Trade Showcase Card */
.trade-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
}

.trade-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(0, 242, 254, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

/* Contact Section */
.contact-section {
  padding: 6rem 0;
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3.5rem;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 3rem;
  backdrop-filter: blur(16px);
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  margin-top: 2rem;
}

.contact-info-item {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  color: var(--primary-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.form-control {
  width: 100%;
  padding: 0.85rem 1.1rem;
  border-radius: 12px;
  background: rgba(6, 9, 19, 0.7);
  border: 1px solid var(--glass-border);
  color: #fff;
  font-family: var(--font-family);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--primary-cyan);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.2);
}

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

.alert-msg {
  padding: 1rem;
  border-radius: 12px;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.alert-success {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #34d399;
}

.alert-error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #f87171;
}

/* Footer */
.footer {
  background: #04060d;
  border-top: 1px solid var(--glass-border);
  padding: 4rem 0 2rem 0;
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 1rem;
  max-width: 320px;
}

.footer-col h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-col ul a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-col ul a:hover {
  color: var(--primary-cyan);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-dim);
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .hero-grid, .about-grid, .contact-wrapper {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .hero-content h1 {
    font-size: 2.25rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: #060913;
    flex-direction: column;
    padding: 2rem;
    border-bottom: 1px solid var(--glass-border);
  }
  .nav-links.active {
    display: flex;
  }
  .mobile-toggle {
    display: block;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .stat-float {
    position: relative;
    top: auto;
    left: auto;
    right: auto;
    bottom: auto;
    margin-top: 1rem;
  }
}