/* ==========================================
   TERAKO — Design System
   Japanese Innovation × Montreal Spirit
   ========================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Noto+Sans+JP:wght@300;400;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* ---- CSS Variables ---- */
:root {
  --color-bg: #0a0a0c;
  --color-surface: #111116;
  --color-surface-2: #18181f;
  --color-border: rgba(255, 255, 255, 0.07);
  --color-border-hover: rgba(255, 255, 255, 0.15);
  --color-text: #f0f0f5;
  --color-text-muted: #8888a0;
  --color-accent: #e8324a;
  --color-accent-2: #ff6b35;
  --color-accent-glow: rgba(232, 50, 74, 0.35);

  --gradient-fade: rgba(10, 10, 12, 0.95);

  --font-main: 'Space Grotesk', 'Inter', 'Noto Sans JP', sans-serif;
  --font-body: 'Inter', sans-serif;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 40px;

  --shadow-glow: 0 0 60px rgba(232, 50, 74, 0.15);
  --shadow-card: 0 4px 40px rgba(0, 0, 0, 0.5);
  --transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}


/* Base fade animation for language switch */
.lang-fade {
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
}

.lang-fade.visible {
  opacity: 1;
}


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

html {
  scroll-behavior: smooth;
}

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

a {
  text-decoration: none;
  color: inherit;
}

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

ul {
  list-style: none;
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
  width: 5px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--color-accent);
  border-radius: 3px;
}

/* ==========================================
   CANVAS — Kanji Particle Background
   ========================================== */
#kanji-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.18;
}

/* ==========================================
   NAVIGATION
   ========================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: var(--transition);
}

.nav.scrolled {
  background: rgba(10, 10, 12, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  padding: 14px 0;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-main);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--color-text);
}

.nav-logo span {
  color: var(--color-accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width 0.3s ease;
  border-radius: 2px;
}

.nav-links a:hover {
  color: var(--color-text);
}

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

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  background: var(--color-accent);
  color: #fff !important;
  border-radius: var(--radius-xl);
  font-size: 0.875rem;
  font-weight: 600;
  transition: var(--transition);
  box-shadow: 0 0 20px var(--color-accent-glow);
}

.nav-cta:hover {
  background: #ff4060;
  transform: translateY(-1px);
  box-shadow: 0 4px 30px var(--color-accent-glow);
}

.nav-cta::after {
  display: none !important;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ==========================================
   HERO SECTION
   ========================================== */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 120px 0 80px;
  overflow: hidden;
  background-image: linear-gradient(to bottom, rgba(10, 10, 12, 0.7), rgba(10, 10, 12, 0.9)), url('assets/images/hero_bg.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  position: relative;
  z-index: 1;
  width: 100%;
}

.hero-content {
  text-align: left;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(232, 50, 74, 0.15);
  border: 1px solid rgba(232, 50, 74, 0.4);
  border-radius: var(--radius-xl);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 32px;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.5;
    transform: scale(0.8);
  }
}

.hero-title {
  font-family: var(--font-main);
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 900;
  line-height: 1.0;
  letter-spacing: -0.04em;
  margin-bottom: 32px;
  color: #fff;
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  max-width: 640px;
  margin-bottom: 48px;
}

.hero-actions {
  display: flex;
  gap: 20px;
  justify-content: flex-start;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 30px;
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 30px var(--color-accent-glow);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 40px var(--color-accent-glow);
}

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

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 30px;
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border-hover);
  border-radius: var(--radius-md);
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-secondary:hover {
  background: var(--color-surface);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.hero-visual {
  position: relative;
}

.hero-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card), var(--shadow-glow);
}

.hero-card-media {
  width: 100%;
  height: 320px;
  object-fit: cover;
  display: block;
  filter: brightness(0.75) saturate(0.8);
  transition: var(--transition);
}

.hero-card:hover .hero-card-media {
  filter: brightness(0.85) saturate(1);
  transform: scale(1.02);
}

.hero-card-footer {
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.hero-card-tag {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero-card-city {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.hero-stat-float {
  position: absolute;
  top: -20px;
  right: -20px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  box-shadow: var(--shadow-card);
  text-align: center;
  backdrop-filter: blur(10px);
}

.hero-stat-float strong {
  display: block;
  font-family: var(--font-main);
  font-size: 1.8rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-stat-float span {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.hero-stat-float-2 {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: center;
  gap: 12px;
  backdrop-filter: blur(10px);
}

.hero-stat-float-2 .icon {
  width: 36px;
  height: 36px;
  background: rgba(232, 50, 74, 0.15);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 1rem;
}

.hero-stat-float-2 strong {
  display: block;
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 700;
}

.hero-stat-float-2 small {
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

/* ==========================================
   SECTION UTILITIES
   ========================================== */
.section {
  position: relative;
  z-index: 1;
}

.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-main);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 20px;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 560px;
  line-height: 1.75;
}

/* Divider */
.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
  margin: 0;
}

/* ==========================================
   ABOUT SECTION
   ========================================== */
#about {
  padding: 120px 0;
  background: var(--color-surface);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-text .section-sub {
  max-width: none;
  margin-bottom: 40px;
}

.about-pillars {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pillar {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.pillar:hover {
  border-color: var(--color-accent);
  transform: translateX(4px);
  box-shadow: -4px 0 20px var(--color-accent-glow);
}

.pillar-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: rgba(232, 50, 74, 0.12);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--color-accent);
}

.pillar h4 {
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.pillar p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Team */
.team-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.team-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: var(--transition);
  cursor: default;
}

.team-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.team-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  margin-bottom: 14px;
  object-fit: cover;
  border: 2px solid var(--color-border);
}

.team-avatar-placeholder {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-main);
  font-weight: 700;
  font-size: 1.1rem;
  color: #fff;
  margin-bottom: 14px;
  border: 2px solid rgba(232, 50, 74, 0.3);
}

.team-name {
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.team-role {
  font-size: 0.78rem;
  color: var(--color-accent);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.team-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.skill-tag {
  padding: 3px 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  font-size: 0.7rem;
  color: var(--color-text-muted);
}

/* ==========================================
   SERVICES SECTION
   ========================================== */
#services {
  padding: 80px 0;
  background: var(--color-bg);
}

.services-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 64px;
  gap: 40px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  padding: 36px 32px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-2));
  opacity: 0;
  transition: opacity 0.3s;
}

.service-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow-card), 0 0 40px rgba(232, 50, 74, 0.1);
}

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

.service-icon {
  width: 56px;
  height: 56px;
  background: rgba(232, 50, 74, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--color-accent);
  margin-bottom: 24px;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: rgba(232, 50, 74, 0.2);
  transform: scale(1.1);
}

.service-card h3 {
  font-family: var(--font-main);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.87rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.service-tag {
  padding: 4px 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  font-size: 0.72rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* ==========================================
   STATS SECTION
   ========================================== */
#stats {
  padding: 60px 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.stat-item {
  background: var(--color-surface);
  padding: 48px 32px;
  text-align: center;
  transition: var(--transition);
}

.stat-item:hover {
  background: var(--color-surface-2);
}

.stat-number {
  font-family: var(--font-main);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 800;
  background: linear-gradient(135deg, #fff 40%, var(--color-text-muted));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  line-height: 1;
  margin-bottom: 12px;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* ==========================================
   PROJECTS SECTION
   ========================================== */
#projects {
  padding: 80px 0;
  background: var(--color-bg);
}

.projects-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 64px;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.project-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
  position: relative;
}

.project-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}

.project-thumb {
  position: relative;
  height: 220px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-thumb-bg {
  position: absolute;
  inset: 0;
  opacity: 0.15;
  transition: opacity 0.4s;
}

.project-card:hover .project-thumb-bg {
  opacity: 0.25;
}

.project-thumb-icon {
  font-size: 3.5rem;
  position: relative;
  z-index: 1;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  filter: drop-shadow(0 0 20px currentColor);
}

.project-card:hover .project-thumb-icon {
  transform: scale(1.15) translateY(-4px);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 12, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s;
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-overlay-btn {
  padding: 10px 24px;
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius-md);
  font-family: var(--font-main);
  font-size: 0.85rem;
  font-weight: 700;
  transform: translateY(10px);
  transition: transform 0.3s;
}

.project-card:hover .project-overlay-btn {
  transform: translateY(0);
}

.project-info {
  padding: 24px 28px;
}

.project-category {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.project-info h3 {
  font-family: var(--font-main);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.project-info p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ==========================================
   TECH STACK RADAR SECTION
   ========================================== */
#stack-radar {
  padding: 120px 0;
  background: var(--color-surface);
  overflow: hidden;
  position: relative;
}

.radar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  flex-direction: column;
  gap: 60px;
  align-items: center;
}

#radar-svg-container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  min-height: 520px;
  box-shadow: var(--shadow-card);
}

#radar-svg-container svg {
  display: block;
}

/* Radar tooltip */
.radar-tooltip {
  position: absolute;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border-hover);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  pointer-events: none;
  white-space: nowrap;
  z-index: 20;
  box-shadow: var(--shadow-card);
  animation: fadeIn 0.15s ease;
}

.radar-tooltip strong {
  display: block;
  font-family: var(--font-main);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 3px;
}

.radar-tooltip span {
  font-size: 0.75rem;
  color: var(--color-accent);
  font-weight: 500;
}

/* Radar side panel */
.radar-panel {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  min-height: 160px;
  transition: var(--transition);
  position: relative;
  opacity: 0.4;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.radar-panel.active {
  opacity: 1;
  border-color: var(--color-border-hover);
  box-shadow: 0 0 30px rgba(232, 50, 74, 0.12);
  align-items: flex-start;
  text-align: left;
  justify-content: flex-start;
}

.radar-panel h4 {
  font-family: var(--font-main);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.radar-ring-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.radar-panel-divider {
  width: 100%;
  height: 1px;
  background: var(--color-border);
  margin-bottom: 16px;
}

.radar-panel-sub {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: 12px;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.radar-panel-sub.muted {
  font-style: italic;
  font-weight: 400;
}

.radar-project-list {
  width: 100%;
}

.radar-project-list li {
  border-bottom: 1px solid var(--color-border);
}

.radar-project-list li:last-child {
  border-bottom: none;
}

.radar-project-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  font-size: 0.87rem;
  font-weight: 600;
  color: var(--color-text);
  transition: color 0.2s;
}

.radar-project-list a i {
  font-size: 0.7rem;
  color: var(--color-accent);
  transition: transform 0.2s;
}

.radar-project-list a:hover {
  color: var(--color-accent);
}

.radar-project-list a:hover i {
  transform: translateX(3px);
}

.radar-panel-empty {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-align: center;
}

.radar-panel-close {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text-muted);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.8rem;
  transition: var(--transition);
}

.radar-panel-close:hover {
  background: rgba(232, 50, 74, 0.1);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.radar-dot {
  transition: r 0.2s;
}

.radar-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.radar-legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.radar-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ==========================================
   CONTACT SECTION
   ========================================== */
#contact {
  padding: 80px 0;
  background: var(--color-bg);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-info .section-sub {
  margin-bottom: 48px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 48px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
}

.contact-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: rgba(232, 50, 74, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 1rem;
}

.contact-item-text strong {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.contact-item-text span {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.socials {
  display: flex;
  gap: 12px;
}

.social-btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  color: var(--color-text-muted);
  font-size: 1rem;
  transition: var(--transition);
}

.social-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: 0 4px 20px var(--color-accent-glow);
}

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: 14px 18px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  resize: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(232, 50, 74, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-muted);
  opacity: 0.6;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.btn-send {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 32px;
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 20px var(--color-accent-glow);
  margin-top: 8px;
}

.btn-send:hover {
  background: #ff4060;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--color-accent-glow);
}

/* Form success state */
.form-success {
  text-align: center;
  padding: 48px 24px;
  display: none;
}

.form-success.visible {
  display: block;
}

.form-success .success-icon {
  font-size: 3rem;
  color: #4caf82;
  margin-bottom: 16px;
}

/* ==========================================
   FOOTER
   ========================================== */
footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 60px 0 32px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 48px;
  gap: 40px;
}

.footer-brand .nav-logo {
  font-size: 1.6rem;
  margin-bottom: 12px;
  display: block;
}

.footer-brand p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  max-width: 280px;
  line-height: 1.7;
}

.footer-links-group h5 {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.footer-links-group ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links-group a {
  font-size: 0.87rem;
  color: var(--color-text-muted);
  transition: color 0.2s;
}

.footer-links-group a:hover {
  color: var(--color-text);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.footer-love {
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-love .heart {
  color: var(--color-accent);
}

/* ==========================================
   ANIMATIONS & SCROLL REVEALS
   ========================================== */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.reveal-delay-1 {
  transition-delay: 0.1s;
}

.reveal-delay-2 {
  transition-delay: 0.2s;
}

.reveal-delay-3 {
  transition-delay: 0.3s;
}

.reveal-delay-4 {
  transition-delay: 0.4s;
}

/* ==========================================
   MOBILE NAV MENU
   ========================================== */
.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 4px;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  background: rgba(10, 10, 12, 0.97);
  border-bottom: 1px solid var(--color-border);
  padding: 24px 40px;
  backdrop-filter: blur(20px);
  z-index: 99;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu a {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-text-muted);
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
  transition: color 0.2s;
}

.mobile-menu a:hover {
  color: var(--color-text);
}

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 900px) {
  .nav-links {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  .hero-inner {
    padding: 0 30px;
  }

  .hero-title {
    font-size: 3.5rem;
    line-height: 1.1;
  }

  .hero-sub {
    font-size: 1.1rem;
    margin-bottom: 32px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .team-grid {
    grid-template-columns: 1fr 1fr;
  }

  .services-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .projects-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .projects-grid {
    grid-template-columns: 1fr 1fr;
  }

  .kanji-feature-inner {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-top {
    flex-direction: column;
    gap: 40px;
  }
}

@media (max-width: 600px) {

  .section-inner,
  .nav-inner,
  .footer-inner {
    padding: 0 24px;
  }

  .hero-inner {
    padding: 0 24px;
    margin-top: -40px;
  }

  .hero-title {
    font-size: 2.8rem;
  }

  .hero-badge {
    font-size: 0.75rem;
    padding: 6px 16px;
  }

  .projects-grid,
  .team-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.project-card-media {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.project-card:hover .project-card-media {
  transform: scale(1.05);
}