/* ============================================
   NexAI.hu – Dark AI Theme
   TailwindCSS kiegészítés
   ============================================ */

/* --- Alap --- */
html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  color: #e2e8f0;
  background-color: #0a0a0f;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', sans-serif;
}

/* --- Gradient szöveg --- */
.gradient-text {
  background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #06b6d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-text-warm {
  background: linear-gradient(135deg, #f59e0b 0%, #ef4444 50%, #ec4899 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Navigáció --- */
.nav-blur {
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-link {
  position: relative;
  transition: color 0.3s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #3b82f6, #8b5cf6);
  transition: width 0.3s ease;
  border-radius: 1px;
}

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

.nav-link:hover {
  color: #3b82f6;
}

/* Mobil menü */
.mobile-menu {
  transform: translateX(100%);
  transition: transform 0.3s ease;
  background: rgba(10, 10, 15, 0.98);
  backdrop-filter: blur(20px);
}

.mobile-menu.open {
  transform: translateX(0);
}

/* --- Hero --- */
.hero-section {
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 80% 50%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 20% 80%, rgba(6, 182, 212, 0.08) 0%, transparent 50%);
}

/* Animált grid háttér */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 20%, transparent 70%);
}

/* Floating orbs */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: float 8s ease-in-out infinite;
}

.orb-1 {
  width: 400px;
  height: 400px;
  background: rgba(59, 130, 246, 0.12);
  top: -100px;
  right: -100px;
  animation-delay: 0s;
}

.orb-2 {
  width: 300px;
  height: 300px;
  background: rgba(139, 92, 246, 0.1);
  bottom: -50px;
  left: -50px;
  animation-delay: -3s;
}

.orb-3 {
  width: 250px;
  height: 250px;
  background: rgba(6, 182, 212, 0.08);
  top: 40%;
  right: 20%;
  animation-delay: -5s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

/* --- Gombok --- */
.btn-primary {
  background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  color: #ffffff;
  padding: 0.8rem 2rem;
  border-radius: 0.75rem;
  font-weight: 600;
  transition: all 0.3s ease;
  display: inline-block;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-primary span {
  position: relative;
  z-index: 1;
}

.btn-secondary {
  background: transparent;
  color: #94a3b8;
  padding: 0.8rem 2rem;
  border-radius: 0.75rem;
  font-weight: 600;
  border: 1px solid rgba(148, 163, 184, 0.3);
  transition: all 0.3s ease;
  display: inline-block;
  text-decoration: none;
}

.btn-secondary:hover {
  border-color: #3b82f6;
  color: #3b82f6;
  background: rgba(59, 130, 246, 0.05);
  transform: translateY(-2px);
}

/* --- Bento Grid --- */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto;
  gap: 1.25rem;
}

.bento-grid .bento-card:nth-child(1) {
  grid-column: span 2;
}

.bento-grid .bento-card:nth-child(4) {
  grid-column: span 2;
}

@media (max-width: 1024px) {
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .bento-grid .bento-card:nth-child(1),
  .bento-grid .bento-card:nth-child(4) {
    grid-column: span 2;
  }
}

@media (max-width: 640px) {
  .bento-grid {
    grid-template-columns: 1fr;
  }
  .bento-grid .bento-card:nth-child(1),
  .bento-grid .bento-card:nth-child(4) {
    grid-column: span 1;
  }
}

/* --- Kártyák --- */
.bento-card {
  background: rgba(18, 18, 26, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 1.25rem;
  padding: 2rem;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.bento-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 1.25rem;
  padding: 1px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0) 0%, rgba(139, 92, 246, 0) 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  transition: background 0.4s ease;
}

.bento-card:hover {
  transform: translateY(-4px);
  border-color: rgba(59, 130, 246, 0.2);
  box-shadow: 0 20px 60px rgba(59, 130, 246, 0.08);
}

.bento-card:hover::before {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.3) 0%, rgba(139, 92, 246, 0.3) 100%);
}

.card-icon {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.5rem;
}

/* --- Portfólió kártyák --- */
.portfolio-card {
  background: rgba(18, 18, 26, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 1.25rem;
  overflow: hidden;
  transition: all 0.4s ease;
}

.portfolio-card:hover {
  transform: translateY(-6px);
  border-color: rgba(59, 130, 246, 0.2);
  box-shadow: 0 20px 60px rgba(59, 130, 246, 0.1);
}

.portfolio-image {
  height: 220px;
  position: relative;
  overflow: hidden;
}

.portfolio-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 10, 15, 0.8) 0%, transparent 60%);
}

/* --- Lektorálás szekció --- */
.lektor-demo {
  background: rgba(18, 18, 26, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 1.25rem;
  padding: 2rem;
}

.lektor-input {
  width: 100%;
  min-height: 100px;
  padding: 1rem;
  background: rgba(10, 10, 15, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0.75rem;
  color: #e2e8f0;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  resize: vertical;
  transition: border-color 0.3s ease;
}

.lektor-input:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.lektor-input::placeholder {
  color: #475569;
}

/* --- Árazás --- */
.pricing-card {
  background: rgba(18, 18, 26, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 1.25rem;
  padding: 2rem;
  transition: all 0.4s ease;
}

.pricing-card.featured {
  border-color: rgba(59, 130, 246, 0.3);
  background: rgba(59, 130, 246, 0.05);
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(59, 130, 246, 0.08);
}

/* --- Lépések --- */
.step-line {
  position: absolute;
  top: 2rem;
  left: calc(16.67% + 1.5rem);
  right: calc(16.67% + 1.5rem);
  height: 2px;
  background: linear-gradient(90deg, #3b82f6, #8b5cf6, #06b6d4);
  opacity: 0.3;
}

@media (max-width: 768px) {
  .step-line {
    display: none;
  }
}

.step-number {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 auto 1.25rem;
  position: relative;
  z-index: 1;
}

/* --- CTA szekció --- */
.cta-section {
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 50%, rgba(59, 130, 246, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 30% 30%, rgba(139, 92, 246, 0.08) 0%, transparent 60%);
}

/* --- Badge --- */
.tech-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
  background: rgba(59, 130, 246, 0.1);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.15);
}

/* --- Scroll animáció --- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* --- Glow effekt --- */
.glow-blue {
  box-shadow: 0 0 40px rgba(59, 130, 246, 0.15);
}

.glow-purple {
  box-shadow: 0 0 40px rgba(139, 92, 246, 0.15);
}

/* --- Szekció elválasztó --- */
.section-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.06) 50%, transparent 100%);
}

/* --- Footer --- */
footer a {
  transition: color 0.3s ease;
}

footer a:hover {
  color: #3b82f6;
}

/* --- Scroll-to-top --- */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 1.5rem;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s ease;
  z-index: 30;
  border: none;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.scroll-top.visible {
  opacity: 1;
  transform: translateY(0);
}

.scroll-top:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

/* --- Pulsing dot --- */
.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  position: relative;
}

.pulse-dot::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: rgba(34, 197, 94, 0.3);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.8); opacity: 0; }
}

/* --- Typing cursor --- */
.typing-cursor {
  display: inline-block;
  width: 2px;
  height: 1.2em;
  background: #3b82f6;
  margin-left: 2px;
  animation: blink 1s step-end infinite;
  vertical-align: text-bottom;
}

@keyframes blink {
  50% { opacity: 0; }
}

/* --- Statisztika counter --- */
.stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
}

@media (max-width: 640px) {
  .stat-value {
    font-size: 2rem;
  }
}

/* --- Cookie banner --- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 60;
  background: rgba(18, 18, 26, 0.95);
  backdrop-filter: blur(20px);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 1rem;
  transform: translateY(100%);
  transition: transform 0.4s ease;
}

.cookie-banner.visible {
  transform: translateY(0);
}