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

:root {
  /* Color Palette */
  --bg-dark: #07080a;
  --bg-card: rgba(15, 17, 23, 0.6);
  --bg-card-hover: rgba(20, 23, 31, 0.8);
  --accent-purple: #8B5CF6;
  --accent-purple-glow: rgba(139, 92, 246, 0.3);
  --accent-purple-hover: #A78BFA;
  --border-color: rgba(255, 255, 255, 0.05);
  --border-hover: rgba(139, 92, 246, 0.5);
  
  /* Text Colors */
  --text-white: #ffffff;
  --text-gray-100: #f8fafc;
  --text-gray-200: #e2e8f0;
  --text-gray-300: #cbd5e1;
  --text-gray-400: #94a3b8;
  --text-gray-500: #64748b;
  --text-gray-600: #475569;
  
  /* Gradients */
  --purple-gradient: linear-gradient(135deg, #8B5CF6 0%, #6D28D9 50%, #4C1D95 100%);
  --text-gradient: linear-gradient(135deg, #ffffff 0%, #cbd5e1 60%, #94a3b8 100%);
  --selected-ring-gradient: linear-gradient(135deg, #8B5CF6, #6D28D9);

  /* Animation Transition */
  --transition-smooth: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  width: 100%;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-gray-300);
  line-height: 1.7;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
  position: relative;
  -webkit-font-smoothing: antialiased;
  word-break: keep-all; /* Korean text: wrap only at spaces, not mid-word */
  overflow-wrap: break-word;
}

/* Ambient Background Lights */
.mobile-break {
  display: none;
}
body::before {
  content: '';
  position: absolute;
  top: -10%;
  left: 20%;
  width: 900px;
  height: 900px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.08) 0%, transparent 70%);
  z-index: -1;
  pointer-events: none;
  filter: blur(80px);
}

body::after {
  content: '';
  position: absolute;
  top: 1800px;
  right: -10%;
  width: 1000px;
  height: 1000px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.06) 0%, transparent 70%);
  z-index: -1;
  pointer-events: none;
  filter: blur(100px);
}

.glow-spot-3 {
  content: '';
  position: absolute;
  top: 3400px;
  left: -20%;
  width: 1000px;
  height: 1000px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.07) 0%, transparent 70%);
  z-index: -1;
  pointer-events: none;
  filter: blur(90px);
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

.section-padding {
  padding: 160px 0; /* Expanded padding for premium spacing */
}

/* Header & Nav */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background-color: rgba(7, 8, 10, 0.75);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-smooth);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 88px; /* Slightly taller for premium feel */
}

.logo {
  font-size: 21px;
  font-weight: 800;
  color: var(--text-white);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: -0.5px;
}

.logo span {
  background: var(--purple-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 48px;
}

.nav-link {
  color: var(--text-gray-400);
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-purple);
  transition: var(--transition-smooth);
}

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

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

/* Premium Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 18px 38px;
  border-radius: 14px;
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  transition: var(--transition-smooth);
  cursor: pointer;
  letter-spacing: -0.2px;
}

.btn-primary {
  background: var(--purple-gradient);
  background-size: 200% auto;
  color: var(--text-white);
  border: none;
  box-shadow: 0 4px 20px var(--accent-purple-glow);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
  transform: translateX(-100%);
  transition: 0.6s;
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 30px rgba(139, 92, 246, 0.5);
  background-position: right center;
}

.btn-primary:hover::before {
  transform: translateX(100%);
}

.btn-primary:active {
  transform: translateY(-1px) scale(0.99);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-white);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.btn-secondary:active {
  transform: translateY(-1px) scale(0.99);
}

/* Typography elements */
.gradient-text {
  background: var(--text-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.purple-highlight {
  color: var(--accent-purple-hover);
  font-weight: 800;
}

/* Hero Section */
.hero {
  position: relative;
  padding-top: 240px;
  padding-bottom: 140px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  border-radius: 9999px;
  background: rgba(139, 92, 246, 0.08);
  border: 1px solid rgba(139, 92, 246, 0.2);
  color: var(--accent-purple-hover);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 36px;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.05);
}

.hero h1 {
  font-size: 72px; /* Amplified for desktop impact */
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 28px;
  letter-spacing: -2px;
}

.hero p {
  font-size: 21px; /* Refined readability */
  color: var(--text-gray-400);
  max-width: 680px;
  margin-bottom: 56px;
  line-height: 1.65;
}

.hero-cta-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

.hero-subtext {
  font-size: 13.5px;
  color: var(--text-gray-500);
  letter-spacing: 0.2px;
}

/* Section Header */
.section-header {
  text-align: center;
  margin-bottom: 84px;
}

.section-header h2 {
  font-size: 46px; /* Larger and bolder */
  font-weight: 800;
  color: var(--text-white);
  margin-bottom: 20px;
  letter-spacing: -1px;
  line-height: 1.3;
}

.section-header p {
  font-size: 19px;
  color: var(--text-gray-400);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Grid & Cards Base - Tactile & Premium Glassmorphism */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 28px;
  padding: 56px 40px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: var(--transition-smooth);
  position: relative;
  will-change: transform, box-shadow, border-color;
}

/* Card Hover Lift & Tactile design */
.card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-12px) scale(1.015);
  box-shadow: 
    0 30px 60px rgba(4, 5, 7, 0.8), 
    0 0 40px rgba(139, 92, 246, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

/* Problem Section */
.problem-card .icon-box {
  width: 60px;
  height: 60px;
  border-radius: 18px;
  background: rgba(239, 68, 68, 0.06);
  border: 1px solid rgba(239, 68, 68, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 36px;
  color: #f87171;
  font-size: 26px;
  transition: var(--transition-smooth);
}

.card:hover .icon-box {
  transform: scale(1.1) rotate(-5deg);
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.3);
}

.problem-card h3 {
  font-size: 23px;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 18px;
  letter-spacing: -0.3px;
}

.problem-card p {
  color: var(--text-gray-400);
  font-size: 15.5px;
  line-height: 1.65;
}

/* Process Section */
.process {
  background-color: rgba(11, 13, 19, 0.6);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  position: relative;
}

.process-card {
  position: relative;
  overflow: hidden;
}

.process-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: var(--purple-gradient);
  opacity: 0;
  transition: var(--transition-smooth);
}

.process-card:hover::before {
  opacity: 1;
}

.process-card .step-num {
  font-size: 14px;
  font-weight: 800;
  color: var(--accent-purple-hover);
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 24px;
  display: block;
}

.process-card h3 {
  font-size: 23px;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 18px;
  letter-spacing: -0.3px;
}

.process-card p {
  color: var(--text-gray-400);
  font-size: 15.5px;
  line-height: 1.65;
}

/* Pricing Section */
.pricing-card {
  position: relative;
  display: flex;
  flex-direction: column;
}

.pricing-card.popular {
  border-color: rgba(139, 92, 246, 0.4);
  background: rgba(20, 18, 36, 0.55);
}

.popular-badge {
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--purple-gradient);
  color: var(--text-white);
  padding: 7px 18px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.8px;
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4);
  text-transform: uppercase;
}

/* Tactile Selected Ring Effect */
.pricing-card.selected {
  border-color: var(--accent-purple) !important;
  box-shadow: 
    0 0 0 2px var(--accent-purple), 
    0 35px 70px rgba(9, 10, 15, 0.9), 
    0 0 50px rgba(139, 92, 246, 0.15) !important;
  background: rgba(22, 19, 41, 0.75) !important;
  transform: translateY(-8px) scale(1.01);
}

.pricing-header {
  margin-bottom: 36px;
}

.pricing-name {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-gray-400);
  margin-bottom: 18px;
}

.pricing-card.popular .pricing-name {
  color: var(--accent-purple-hover);
}

.discount-badge {
  display: inline-block;
  background: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.4);
  padding: 3px 10px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 10px;
}

.price-original {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-gray-500);
  text-decoration: line-through;
  margin-bottom: 2px;
}

.pricing-price {
  font-size: 46px;
  font-weight: 800;
  color: var(--text-white);
  letter-spacing: -1px;
}

.pricing-price span {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-gray-500);
  margin-left: 2px;
}

.pricing-features {
  list-style: none;
  margin-bottom: 44px;
  flex-grow: 1;
}

.pricing-features li {
  font-size: 15.5px;
  color: var(--text-gray-300);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.pricing-features li svg {
  color: var(--accent-purple);
  flex-shrink: 0;
}

.pricing-card .btn {
  width: 100%;
}

.pricing-card .trial-notice {
  text-align: center;
  font-size: 12.5px;
  color: var(--text-gray-500);
  margin-top: 16px;
  display: block;
  letter-spacing: 0.2px;
}

/* Contact/Apply Form Section */
.form-wrapper {
  max-width: 640px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 64px;
  border-radius: 36px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: relative;
  z-index: 2;
  box-shadow: 0 30px 60px rgba(4, 5, 7, 0.4);
}

.form-group {
  margin-bottom: 32px;
}

.form-label {
  display: block;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text-gray-200);
  margin-bottom: 12px;
  letter-spacing: -0.1px;
}

.form-control {
  width: 100%;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 18px 22px;
  font-family: inherit;
  font-size: 15.5px;
  color: var(--text-white);
  transition: var(--transition-smooth);
}

.form-control::placeholder {
  color: var(--text-gray-600);
}

.form-control:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--accent-purple);
  box-shadow: 
    0 0 0 1px var(--accent-purple),
    0 0 25px rgba(139, 92, 246, 0.15);
}

.contact-section button[type="submit"] {
  width: 100%;
  margin-top: 16px;
}

/* Footer Styling */
footer {
  border-top: 1px solid var(--border-color);
  padding: 72px 0;
  background-color: #040507;
}

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

.footer-logo {
  font-size: 19px;
  font-weight: 800;
  color: var(--text-white);
  text-decoration: none;
}

.footer-links {
  display: flex;
  gap: 40px;
}

.footer-link {
  color: var(--text-gray-500);
  text-decoration: none;
  font-size: 14px;
  transition: var(--transition-fast);
}

.footer-link:hover {
  color: var(--text-white);
}

.copyright {
  color: var(--text-gray-500);
  font-size: 14px;
}

/* --- MOTION & ANIMATION STYLES --- */
/* Scroll Fade-In Styles */
.fade-in-section {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

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

/* Success Toast Notification */
.toast-notification {
  position: fixed;
  bottom: 48px;
  right: 48px;
  background: #10b981;
  color: white;
  padding: 18px 32px;
  border-radius: 16px;
  font-weight: 700;
  box-shadow: 0 15px 35px rgba(16, 185, 129, 0.35);
  transform: translateY(150px) scale(0.9);
  opacity: 0;
  transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 12px;
}

.toast-notification.show {
  transform: translateY(0) scale(1);
  opacity: 1;
}

/* Spinner Animation */
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Modal Overlay Open Animation */
.modal-overlay {
  display: none;
  animation: fadeInModal 0.25s ease forwards;
}

@keyframes fadeInModal {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Modal Content Card slide-up */
.modal-overlay .modal-box {
  transform: translateY(30px) scale(0.96);
  opacity: 0;
  transition: var(--transition-smooth);
}

.modal-overlay.show {
  display: flex !important;
}

.modal-overlay.show .modal-box {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.modal-box .close-btn:hover {
  color: var(--text-white) !important;
  transform: scale(1.1);
}

/* Custom Scrollbar for Generated Content Body */
#result-content-body::-webkit-scrollbar {
  width: 6px;
}
#result-content-body::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.15);
  border-radius: 8px;
}
#result-content-body::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
}
#result-content-body::-webkit-scrollbar-thumb:hover {
  background: var(--accent-purple);
}

/* Required field asterisk */
.required-asterisk {
  color: #ef4444;
  margin-left: 4px;
  font-weight: 800;
  font-size: 14px;
}

/* Image generation error box styling */
.img-card-error {
  border: 1px dashed rgba(239, 68, 68, 0.4) !important;
  background: rgba(239, 68, 68, 0.04) !important;
  display: flex !important;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 36px 24px !important;
  text-align: center;
  border-radius: 20px;
  min-height: 220px;
  color: #f87171;
  font-size: 14.5px;
  font-weight: 500;
  gap: 12px;
  box-shadow: inset 0 0 20px rgba(239, 68, 68, 0.05);
}
.img-card-error svg {
  color: #ef4444;
}

/* ===================== Mobile Responsive ===================== */
@media (max-width: 700px) {
  .container {
    padding: 0 14px;
  }

  /* Shrink ambient background glows so they can't force horizontal scroll */
  body::before,
  body::after,
  .glow-spot-3 {
    width: 500px;
    height: 500px;
  }

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

  h1, h2, h3, p {
    word-break: keep-all;
    overflow-wrap: break-word;
  }

  .mobile-break {
    display: block;
  }

  .section-padding {
    padding: 60px 0;
  }

  /* Nav: hide the text links on tablet/mobile, keep logo + CTA button */
  .nav-menu {
    gap: 12px;
  }

  .nav-menu .nav-link {
    display: none;
  }

  .nav-container {
    height: 68px;
  }

  /* Hero */
  .hero {
    padding-top: 120px;
    padding-bottom: 60px;
  }

  .hero h1 {
    font-size: 34px;
    letter-spacing: -1px;
    line-height: 1.3;
  }

  .hero p {
    font-size: 16px;
    margin-bottom: 32px;
  }

  .hero-badge {
    font-size: 12px;
    padding: 7px 14px;
    margin-bottom: 24px;
  }

  /* Section headers */
  .section-header {
    margin-bottom: 32px;
  }

  .section-header h2 {
    font-size: 26px;
  }

  .section-header p {
    font-size: 15px;
  }

  /* Grids collapse to single column */
  .grid-3 {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .card {
    padding: 16px 14px;
    border-radius: 14px;
    height: auto !important;
    min-height: 0 !important;
  }

  .pricing-card {
    height: auto !important;
    min-height: 0 !important;
  }

  .pricing-features {
    flex-grow: 0 !important;
  }

  .problem-card .icon-box {
    width: 32px;
    height: 32px;
    border-radius: 9px;
    font-size: 14px;
    margin-bottom: 10px;
  }

  .problem-card h3,
  .process-card h3 {
    font-size: 16px;
    margin-bottom: 6px;
  }

  .problem-card p,
  .process-card p {
    font-size: 13px;
    line-height: 1.45;
  }

  .process-card .step-num {
    margin-bottom: 8px;
    font-size: 11px;
  }

  /* Pricing */
  .pricing-price {
    font-size: 22px;
  }

  .pricing-price span {
    font-size: 12px;
  }

  .price-original {
    font-size: 12px;
  }

  .discount-badge {
    font-size: 10.5px;
    padding: 2px 8px;
    margin-bottom: 6px;
  }

  .pricing-header {
    margin-bottom: 10px;
  }

  .pricing-name {
    font-size: 13px;
    margin-bottom: 4px;
  }

  .pricing-features {
    margin-bottom: 10px;
  }

  .pricing-features li {
    font-size: 12.5px;
    margin-bottom: 6px;
    gap: 8px;
    line-height: 1.35;
  }

  .pricing-features li svg {
    width: 14px;
    height: 14px;
  }

  .pricing-card .btn {
    padding: 10px 20px !important;
    font-size: 13.5px !important;
  }

  .pricing-card .trial-notice {
    margin-top: 6px;
    font-size: 10.5px;
  }

  .popular-badge {
    font-size: 9.5px;
    padding: 4px 10px;
    top: -12px;
  }

  /* Form */
  .form-wrapper {
    padding: 32px 18px;
    border-radius: 24px;
  }

  .form-control {
    padding: 14px 16px;
  }

  .btn {
    padding: 15px 28px;
    font-size: 15px;
  }

  /* Generated result: images + text stack vertically instead of side-by-side */
  .result-card {
    grid-template-columns: 1fr !important;
    gap: 28px !important;
  }

  .result-wrapper {
    padding: 24px !important;
    border-radius: 22px !important;
  }

  .result-text-box h3 {
    font-size: 20px !important;
  }

  /* Footer stacks vertically */
  .footer-content {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }

  .footer-links {
    gap: 24px;
    flex-wrap: wrap;
    justify-content: center;
  }

  /* Toast notification: keep it from overflowing on small screens */
  .toast-notification {
    left: 20px;
    right: 20px;
    bottom: 24px;
  }

  /* Payment / result modal boxes */
  .modal-overlay .modal-box {
    width: 100% !important;
    margin: 0 16px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 30px;
  }

  .hero p {
    font-size: 15.5px;
  }

  .section-header h2 {
    font-size: 24px;
  }

  .logo span,
  .logo {
    font-size: 17px;
  }

  .pricing-price {
    font-size: 30px;
  }

  .form-wrapper {
    padding: 24px 16px;
  }

  .btn {
    padding: 14px 20px;
    font-size: 14.5px;
  }
}