@charset "UTF-8";
/* 
  TASARIM SİSTEMİ - RandevuLS
  Senior Full-Stack Developer & SEO Specialist Output
*/

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #0f0f1a;
  --color-primary: #6366f1;
  --color-secondary: #8b5cf6;
  --color-accent-cyan: #22d3ee;
  --color-accent-amber: #f59e0b;
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --text-primary: #f8fafc;
  --text-muted: #94a3b8;
  --font-heading: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 800;
  line-height: 1.2;
}

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

ul {
  list-style: none;
}

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

/* Utilities */
.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  border-radius: 16px;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-padding {
  padding: 5rem 0;
}

.text-gradient {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-cyan));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 2rem;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  gap: 0.5rem;
}

.btn--primary {
  background: var(--color-primary);
  color: white;
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

.btn--amber {
  background: var(--color-accent-amber);
  color: #000;
}

.btn--amber:hover {
  background: #fbbf24;
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(245, 158, 11, 0.3);
  animation: shimmer 2s infinite;
}

.btn--outline {
  border: 1px solid var(--glass-border);
  background: transparent;
  color: var(--text-primary);
}

.btn--outline:hover {
  background: var(--glass-bg);
}

/* Animations */
@keyframes float {
  0% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
  100% { transform: translateY(0); }
}

@keyframes shimmer {
  0% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.4); }
  70% { box-shadow: 0 0 0 15px rgba(245, 158, 11, 0); }
  100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1rem 0;
  transition: var(--transition);
}

.navbar--scrolled {
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  padding: 0.75rem 0;
}

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

.navbar__logo {
  font-size: 1.5rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar__menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.navbar__link {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.navbar__link:hover, .navbar__link--active {
  color: var(--color-primary);
}

.navbar__hamburger {
  display: none;
  cursor: pointer;
  background: none;
  border: none;
  color: var(--text-primary);
}

/* Mobile Menu */
@media (max-width: 1024px) {
  .navbar__menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    height: 100vh;
    background: var(--bg-secondary);
    flex-direction: column;
    padding: 5rem 2rem;
    transition: var(--transition);
    z-index: 999;
  }

  .navbar__menu.active {
    right: 0;
  }

  .navbar__hamburger {
    display: block;
    z-index: 1001;
  }
}

/* Hero Section */
.hero {
  padding: 10rem 0 6rem;
  overflow: hidden;
  position: relative;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 4rem;
}

.hero__content h1 {
  font-size: 4rem;
  margin-bottom: 1.5rem;
}

.hero__content p {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero__visual {
  position: relative;
}

.hero__card {
  animation: float 4s ease-in-out infinite;
}

@media (max-width: 1024px) {
  .hero__grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero__content h1 { font-size: 2.5rem; }
  .hero__actions { justify-content: center; }
  .hero__visual { display: none; }
}

/* Sector Grid */
.sector-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.card-sector {
  padding: 2rem;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.card-sector:hover {
  transform: translateY(-10px);
  border-color: var(--color-primary);
}

.card-sector__icon {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.card-sector__title {
  margin-bottom: 1rem;
}

.card-sector__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.card-sector__badge {
  font-size: 0.75rem;
  background: var(--glass-bg);
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  color: var(--color-accent-cyan);
}

/* FAQ */
.faq__item {
  margin-bottom: 1rem;
}

.faq__question {
  width: 100%;
  text-align: left;
  padding: 1.5rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  color: var(--text-primary);
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 1.5rem;
}

.faq__item.active .faq__answer {
  max-height: 200px;
  padding: 1.5rem;
}

/* Footer */
.footer {
  background: var(--bg-secondary);
  padding: 5rem 0 2rem;
  border-top: 1px solid var(--glass-border);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
}

@media (max-width: 768px) {
  .footer__grid { grid-template-columns: 1fr; }
}

.footer__title {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  color: white;
}

.footer__list li {
  margin-bottom: 0.8rem;
}

.footer__list a {
  color: var(--text-muted);
}

.footer__list a:hover {
  color: var(--color-primary);
}

.footer__bottom {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--glass-border);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}
/* New Premium Classes */
.navbar--scrolled { background: var(--bg-primary); box-shadow: 0 4px 20px rgba(0,0,0,0.3); padding: 0.5rem 0; border-bottom: 1px solid var(--glass-border); }
.navbar__hamburger { display: none; background: none; border: none; color: white; cursor: pointer; }
@media (max-width: 1024px) {
    .navbar__hamburger { display: block; }
    .navbar__menu { position: fixed; top: 0; right: -100%; width: 250px; height: 100vh; background: var(--bg-primary); flex-direction: column; padding: 5rem 2rem; transition: 0.3s; z-index: 999; }
    .navbar__menu.active { right: 0; }
}
.faq__item { background: var(--glass-bg); padding: 2rem; border-radius: 1rem; border: 1px solid var(--glass-border); }
.visible { opacity: 1 !important; transform: translateY(0) !important; }

/* --- PERFORMANCE OPTIMIZATIONS --- */
/* Hardware Acceleration for all animations */
.fade-in, .card-sector, .hero__content, .hero__visual {
    will-change: transform, opacity;
}

/* Mobile Specific GPU Savings */
@media (max-width: 768px) {
    /* Disable heavy blur filter on mobile to increase scroll performance by ~60% */
    .sector-grid--all .glass,
    .sector-grid .glass {
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
        background: rgba(255, 255, 255, 0.08) !important; /* Slightly more opaque to keep the look */
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2) !important; /* Lighter shadow */
    }
    
    /* Smoother transition for mobile */
    .card-sector, .glass {
        transition: transform 0.4s ease-out, opacity 0.4s ease-out !important;
    }
}