/* ============================================================
   CODEVISION Premium Design Layer
   Aesthetic: Premium Japanese Minimalism × Tech Sophistication
   ============================================================ */

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

/* --- Custom Properties --- */
:root {
  --cv-navy: #1B2A4A;
  --cv-navy-deep: #0c1428;
  --cv-amber: #E8913A;
  --cv-amber-light: #F4B96B;
  --cv-cream: #FAF8F5;
  --cv-cream-warm: #F5F0EB;
  --cv-text: #374151;
  --cv-text-light: #6B7280;
  --cv-border: rgba(0,0,0,0.06);
  --cv-glass: rgba(255,255,255,0.72);
  --cv-glass-border: rgba(255,255,255,0.18);
  --cv-radius: 1rem;
  --cv-radius-lg: 1.5rem;
  --cv-shadow-soft: 0 4px 40px -12px rgba(15,23,42,0.08);
  --cv-shadow-card: 0 8px 40px -16px rgba(15,23,42,0.10);
  --cv-shadow-hover: 0 20px 60px -20px rgba(15,23,42,0.18);
  --cv-transition: cubic-bezier(0.22, 1, 0.36, 1);
}

/* --- Global Typography --- */
h1, h2, h3, h4, h5, h6,
.font-bold, .font-semibold {
  font-family: 'Sora', 'Noto Sans JP', sans-serif;
  letter-spacing: -0.02em;
}

body {
  font-feature-settings: 'palt' 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Noise Texture Overlay --- */
.noise-overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1;
  mix-blend-mode: overlay;
}

/* --- Custom Scrollbar --- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--cv-cream); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--cv-navy), #2d4a6e);
  border-radius: 99px;
}
::-webkit-scrollbar-thumb:hover { background: var(--cv-amber); }

/* --- Glassmorphism Header --- */
.site-header,
header {
  transition: all 0.5s var(--cv-transition);
}

.header-scrolled {
  background: var(--cv-glass) !important;
  backdrop-filter: blur(20px) saturate(1.8);
  -webkit-backdrop-filter: blur(20px) saturate(1.8);
  border-bottom: 1px solid var(--cv-glass-border);
  box-shadow: 0 1px 24px rgba(0,0,0,0.06);
}

.header-scrolled .text-white { color: var(--cv-navy) !important; }
.header-scrolled .text-white\/70,
.header-scrolled .text-white\/80 { color: var(--cv-text-light) !important; }

/* --- Hero Enhancements --- */
@keyframes blob-drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -40px) scale(1.08); }
  50% { transform: translate(-20px, 20px) scale(0.95); }
  75% { transform: translate(15px, 35px) scale(1.04); }
}

.animate-blob {
  animation: blob-drift 18s ease-in-out infinite;
}

.animation-delay-2000 { animation-delay: -6s; }

@keyframes hero-text-reveal {
  from { opacity: 0; transform: translateY(32px); filter: blur(6px); }
  to { opacity: 1; transform: translateY(0); filter: blur(0); }
}

section:first-of-type h1 {
  animation: hero-text-reveal 1s var(--cv-transition) 0.2s both;
}

section:first-of-type p:first-of-type {
  animation: hero-text-reveal 1s var(--cv-transition) 0.05s both;
}

/* Hero floating particles */
@keyframes float-particle {
  0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.3; }
  50% { transform: translateY(-60px) rotate(180deg); opacity: 0.7; }
}

section:first-of-type::before {
  content: '';
  position: absolute;
  width: 3px; height: 3px;
  background: var(--cv-amber);
  border-radius: 50%;
  top: 30%; left: 15%;
  box-shadow:
    80vw 10vh 0 1px rgba(232,145,58,0.3),
    20vw 60vh 0 0.5px rgba(232,145,58,0.2),
    60vw 30vh 0 1.5px rgba(255,255,255,0.15),
    40vw 70vh 0 1px rgba(232,145,58,0.25),
    75vw 50vh 0 0.5px rgba(255,255,255,0.12),
    10vw 40vh 0 1px rgba(232,145,58,0.2),
    90vw 80vh 0 1.5px rgba(255,255,255,0.1);
  animation: float-particle 12s ease-in-out infinite;
  z-index: 2;
  pointer-events: none;
}

/* Amber badge glow */
section:first-of-type .inline-flex {
  box-shadow: 0 0 20px rgba(232,145,58,0.15), inset 0 0 12px rgba(232,145,58,0.05);
}

/* --- Scroll Reveal Animations --- */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--cv-transition), transform 0.8s var(--cv-transition);
}

.reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-100 { transition-delay: 0.1s; }
.reveal-delay-200 { transition-delay: 0.2s; }
.reveal-delay-300 { transition-delay: 0.3s; }
.reveal-delay-400 { transition-delay: 0.4s; }
.reveal-delay-500 { transition-delay: 0.5s; }

/* Staggered grid children */
.stagger-children > *:nth-child(1) { transition-delay: 0s; }
.stagger-children > *:nth-child(2) { transition-delay: 0.08s; }
.stagger-children > *:nth-child(3) { transition-delay: 0.16s; }
.stagger-children > *:nth-child(4) { transition-delay: 0.24s; }
.stagger-children > *:nth-child(5) { transition-delay: 0.32s; }
.stagger-children > *:nth-child(6) { transition-delay: 0.40s; }

/* --- Stat Pills --- */
.stat-pill {
  position: relative;
  overflow: hidden;
  transition: all 0.4s var(--cv-transition);
  background: white;
  border: 1px solid transparent;
}

.stat-pill::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, transparent 40%, var(--cv-amber) 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.stat-pill:hover::before { opacity: 1; }
.stat-pill:hover {
  transform: translateY(-4px);
  box-shadow: var(--cv-shadow-card);
}

/* --- Card 3D Tilt Effect --- */
.card-tilt {
  transition: transform 0.5s var(--cv-transition), box-shadow 0.5s var(--cv-transition);
  transform-style: preserve-3d;
  perspective: 1000px;
}

.card-tilt:hover {
  transform: translateY(-8px) rotateX(2deg) rotateY(-2deg);
  box-shadow: var(--cv-shadow-hover);
}

/* Service cards gradient border on hover */
[class*="rounded-2xl"][class*="border"] {
  position: relative;
  transition: all 0.5s var(--cv-transition);
}

[class*="rounded-2xl"][class*="shadow"]:hover {
  transform: translateY(-6px);
  box-shadow: var(--cv-shadow-hover);
}

/* --- Premium Buttons --- */
.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  background: linear-gradient(135deg, var(--cv-amber) 0%, #D4792A 100%);
  color: white;
  font-family: 'Sora', sans-serif;
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.4s var(--cv-transition);
  box-shadow: 0 4px 20px rgba(232,145,58,0.3);
  text-decoration: none;
}

.btn-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.btn-cta:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 32px rgba(232,145,58,0.4);
}

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

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  background: rgba(255,255,255,0.08);
  color: white;
  font-family: 'Sora', sans-serif;
  font-weight: 500;
  font-size: 0.9375rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.2);
  cursor: pointer;
  backdrop-filter: blur(8px);
  transition: all 0.4s var(--cv-transition);
  text-decoration: none;
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.4);
  transform: translateY(-2px);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  background: transparent;
  color: var(--cv-navy);
  font-family: 'Sora', sans-serif;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: 999px;
  border: 2px solid var(--cv-navy);
  cursor: pointer;
  transition: all 0.4s var(--cv-transition);
  text-decoration: none;
}

.btn-outline:hover {
  background: var(--cv-navy);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(27,42,74,0.2);
}

/* --- Link Underline Animation --- */
.nav-link, a[class*="text-gray"]:not([class*="btn"]) {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--cv-amber);
  transition: width 0.3s var(--cv-transition);
}

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

/* --- Section Cream Mesh Background --- */
.section-cream-mesh {
  background:
    radial-gradient(ellipse 80% 60% at 20% 40%, rgba(232,145,58,0.05) 0%, transparent 70%),
    radial-gradient(ellipse 60% 80% at 80% 60%, rgba(27,42,74,0.03) 0%, transparent 70%),
    linear-gradient(180deg, var(--cv-cream) 0%, white 100%);
}

/* --- Wave Section Divider --- */
.wave-divider {
  position: relative;
  overflow: hidden;
}

.wave-divider::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 60px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 60'%3E%3Cpath fill='%23ffffff' d='M0,30 C360,60 720,0 1080,30 C1260,45 1380,40 1440,30 L1440,60 L0,60Z'/%3E%3C/svg%3E") no-repeat bottom center;
  background-size: 100% 100%;
}

/* --- Blog Post Cards --- */
article.post, .post-card {
  border-radius: var(--cv-radius-lg);
  overflow: hidden;
  transition: all 0.5s var(--cv-transition);
  border: 1px solid var(--cv-border);
}

article.post:hover, .post-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--cv-shadow-hover);
}

article.post img, .post-card img {
  transition: transform 0.7s var(--cv-transition);
}

article.post:hover img, .post-card:hover img {
  transform: scale(1.06);
}

/* Blog post gradient overlay */
article.post .aspect-video::after,
.post-card .aspect-video::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.4) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

article.post:hover .aspect-video::after,
.post-card:hover .aspect-video::after {
  opacity: 1;
}

/* --- Single Post: Article Typography --- */
.entry-content {
  font-size: 1.0625rem;
  line-height: 2;
  color: #374151;
}

.entry-content p {
  margin-bottom: 1.75rem;
  letter-spacing: 0.02em;
}

.entry-content p + p {
  margin-top: 0;
}

/* H2: Major sections */
.entry-content h2 {
  font-family: 'Sora', 'Noto Sans JP', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--cv-navy);
  position: relative;
  padding: 1rem 0 1rem 1.25rem;
  margin-top: 4rem;
  margin-bottom: 1.5rem;
  border-bottom: 2px solid #e5e7eb;
  line-height: 1.5;
}

.entry-content h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: linear-gradient(180deg, var(--cv-amber), var(--cv-amber-light));
  border-radius: 3px;
}

/* H3: Sub sections */
.entry-content h3 {
  font-family: 'Sora', 'Noto Sans JP', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--cv-navy);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid #f3f4f6;
  line-height: 1.5;
}

/* H4 */
.entry-content h4 {
  font-family: 'Sora', 'Noto Sans JP', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--cv-navy);
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

/* Lists */
.entry-content ul,
.entry-content ol {
  margin: 1.5rem 0;
  padding-left: 1.5rem;
}

.entry-content li {
  margin-bottom: 0.75rem;
  line-height: 1.85;
  padding-left: 0.25rem;
}

.entry-content li::marker {
  color: var(--cv-amber);
}

.entry-content ul li {
  list-style-type: disc;
}

.entry-content ol li {
  list-style-type: decimal;
}

/* Strong/Bold */
.entry-content strong {
  color: var(--cv-navy);
  font-weight: 700;
}

/* Links */
.entry-content a {
  color: #2E5D8A;
  text-decoration: underline;
  text-decoration-color: rgba(232,145,58,0.3);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.3s ease;
}

.entry-content a:hover {
  text-decoration-color: var(--cv-amber);
}

/* Blockquote */
.entry-content blockquote {
  border-left: 4px solid var(--cv-amber);
  background: var(--cv-cream);
  border-radius: 0 var(--cv-radius) var(--cv-radius) 0;
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
  font-style: normal;
}

.entry-content blockquote p {
  margin-bottom: 0;
  color: var(--cv-navy);
}

/* HR dividers */
.entry-content hr {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, #d1d5db, transparent);
  margin: 3rem 0;
}

/* Images in content */
.entry-content img {
  border-radius: var(--cv-radius);
  box-shadow: var(--cv-shadow-soft);
  margin: 2rem 0;
}

.entry-content figure {
  margin: 2.5rem 0;
}

.entry-content figcaption {
  text-align: center;
  font-size: 0.8125rem;
  color: var(--cv-text-light);
  margin-top: 0.75rem;
}

/* Code */
.entry-content code {
  background: #f3f4f6;
  color: #1f2937;
  padding: 0.15rem 0.4rem;
  border-radius: 0.25rem;
  font-size: 0.875em;
}

.entry-content pre {
  background: #1f2937;
  color: #e5e7eb;
  padding: 1.25rem 1.5rem;
  border-radius: var(--cv-radius);
  overflow-x: auto;
  margin: 2rem 0;
  line-height: 1.6;
}

.entry-content pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}

/* Tables */
.entry-content table {
  width: 100%;
  border-radius: var(--cv-radius);
  overflow: hidden;
  border: 1px solid #e5e7eb;
  box-shadow: var(--cv-shadow-soft);
  margin: 2rem 0;
  font-size: 0.9375rem;
  border-collapse: separate;
  border-spacing: 0;
}

.entry-content table th {
  background: var(--cv-navy);
  color: white;
  font-family: 'Sora', sans-serif;
  font-weight: 600;
  font-size: 0.8125rem;
  padding: 0.875rem 1rem;
  text-align: left;
  letter-spacing: 0.03em;
}

.entry-content table td {
  padding: 0.875rem 1rem;
  border-bottom: 1px solid #f3f4f6;
  line-height: 1.6;
}

.entry-content table tr:last-child td {
  border-bottom: none;
}

.entry-content table tr:hover td {
  background: var(--cv-cream);
}

/* First paragraph after title — make it larger */
.entry-content > p:first-child {
  font-size: 1.125rem;
  color: #1f2937;
  line-height: 2;
}

/* Spacing between different elements */
.entry-content h2 + p,
.entry-content h3 + p,
.entry-content h4 + p {
  margin-top: 0;
}

.entry-content p + h2 {
  margin-top: 4rem;
}

.entry-content p + h3 {
  margin-top: 2.5rem;
}

/* Mobile adjustments for article */
@media (max-width: 768px) {
  .entry-content {
    font-size: 1rem;
    line-height: 1.9;
  }

  .entry-content h2 {
    font-size: 1.3rem;
    margin-top: 3rem;
  }

  .entry-content h3 {
    font-size: 1.125rem;
    margin-top: 2rem;
  }

  .entry-content table {
    font-size: 0.8125rem;
  }

  .entry-content table th,
  .entry-content table td {
    padding: 0.625rem 0.75rem;
  }
}

/* --- Premium Footer --- */
footer, .site-footer {
  background: linear-gradient(180deg, var(--cv-navy-deep) 0%, #080e1c 100%);
  position: relative;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cv-amber), transparent);
}

/* --- CTA Section Glow --- */
section[class*="bg-black"],
section[class*="bg-\[#1B2A4A\]"] {
  position: relative;
}

section[class*="bg-black"]::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(232,145,58,0.12) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  pointer-events: none;
}

/* --- Form Focus States --- */
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--cv-amber) !important;
  box-shadow: 0 0 0 3px rgba(232,145,58,0.15);
  transition: all 0.3s ease;
}

/* --- Selection Color --- */
::selection {
  background: rgba(232,145,58,0.2);
  color: var(--cv-navy);
}

/* --- Breadcrumbs --- */
.cv-breadcrumbs {
  background: var(--cv-cream);
  border-bottom: 1px solid var(--cv-border);
  padding: 0.75rem 0;
}

.cv-breadcrumbs__list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.8125rem;
}

.cv-breadcrumbs__item {
  display: inline-flex;
  align-items: center;
}

.cv-breadcrumbs__item a {
  color: var(--cv-text-light);
  text-decoration: none;
  transition: color 0.2s ease;
}

.cv-breadcrumbs__item a:hover {
  color: var(--cv-amber);
}

.cv-breadcrumbs__item span[aria-current] {
  color: var(--cv-navy);
  font-weight: 500;
}

.cv-breadcrumbs__sep {
  display: inline-flex;
  align-items: center;
  color: #d1d5db;
  margin: 0 0.375rem;
  font-size: 0.875rem;
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal-on-scroll { opacity: 1; transform: none; }
}

/* --- Responsive Polish --- */
@media (max-width: 768px) {
  h1 { letter-spacing: -0.01em; }
  .stat-pill:hover { transform: none; }
}