:root {
  --background: 0 0% 7%;
  --foreground: 0 0% 96%;
  --card: 0 0% 10%;
  --primary: 348 75% 35%;
  --primary-foreground: 0 0% 98%;
  --secondary: 215 40% 25%;
  --muted: 0 0% 15%;
  --muted-foreground: 0 0% 65%;
  --border: 0 0% 20%;
  --accent: 348 75% 35%;
  --radius: .5rem;
}

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

html { scroll-behavior: smooth; }

body {
  background: hsl(var(--background));
  color: hsl(var(--foreground));
  font-family: ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  line-height: 1.5;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Nav */
.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: hsla(var(--background) / .95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid hsl(var(--border));
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-size: 24px;
  font-weight: 700;
  background: linear-gradient(to right, hsl(var(--primary)), hsl(var(--secondary)));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  color: hsl(var(--foreground));
  font-weight: 500;
  transition: color .2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: hsl(var(--primary));
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: hsl(var(--foreground));
  cursor: pointer;
}

/* Hero / page header */
.hero {
  position: relative;
  padding: 96px 24px 64px;
  text-align: center;
  overflow: hidden;
}

.blade-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.blade {
  position: absolute;
  left: 50%;
  top: 0;
  width: 280px;
  height: 100%;
  margin-left: -140px;
  perspective: 900px;
  transform-style: preserve-3d;
  transition: transform .6s cubic-bezier(.22,1,.36,1);
  will-change: transform;
  opacity: .8;
}

.blade-spin {
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  animation: blade-idle 7s ease-in-out infinite;
  filter: drop-shadow(0 0 18px hsl(var(--primary) / .45));
}

@keyframes blade-idle {
  0%, 100% { transform: rotateY(0deg) rotateZ(0deg) translateY(0); }
  50%      { transform: rotateY(14deg) rotateZ(-3deg) translateY(-14px); }
}

.katana-svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.katana-svg .tsuba,
.katana-svg .pommel {
  stroke: hsl(var(--primary));
}

.katana-svg .hilt-wraps line {
  stroke: hsl(0 0% 6%);
}

.katana-svg .blade-glint {
  animation: blade-glint-sweep 4.5s ease-in-out infinite;
}

@keyframes blade-glint-sweep {
  0%   { transform: translateY(0); opacity: 0; }
  10%  { opacity: .9; }
  55%  { opacity: .9; }
  70%  { transform: translateY(330px); opacity: 0; }
  100% { transform: translateY(330px); opacity: 0; }
}

.home .blade { transform: rotate(-18deg); left: 50%; }

.particles {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.particles span {
  position: absolute;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: hsl(var(--primary) / .8);
}

.hero > *:not(.blade-wrap):not(.particles) { position: relative; z-index: 1; }

.hero h1 {
  font-size: 44px;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 20px;
}

.gradient-text {
  background: linear-gradient(to right, hsl(var(--primary)), hsl(var(--secondary)));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.gradient-text-3 {
  background: linear-gradient(to right, hsl(var(--primary)), hsl(var(--foreground)), hsl(var(--secondary)));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero .subtitle {
  font-size: 20px;
  color: hsl(var(--muted-foreground));
  max-width: 640px;
  margin: 0 auto 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: transform .15s, box-shadow .15s, background .15s;
  border: 1px solid transparent;
}

.btn:hover { transform: translateY(-2px); }

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

.btn-primary:hover { box-shadow: 0 8px 24px hsl(var(--primary) / .4); }

.btn-outline {
  background: transparent;
  color: hsl(var(--primary));
  border-color: hsl(var(--primary));
}

.btn-outline:hover { background: hsl(var(--primary) / .1); }

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 960px;
  margin: 0 auto;
}

.stat-card {
  background: hsl(var(--card) / .6);
  backdrop-filter: blur(8px);
  border: .8px solid hsl(var(--border) / .6);
  border-radius: var(--radius);
  padding: 28px 16px;
  text-align: center;
}

.stat-card .num {
  font-size: 32px;
  font-weight: 700;
  color: hsl(var(--primary));
  margin-bottom: 4px;
}

.stat-card .label {
  color: hsl(var(--muted-foreground));
}

/* Sections */
section.page-section {
  position: relative;
  padding: 80px 24px;
}

.section-title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 16px;
}

.section-lead {
  color: hsl(var(--muted-foreground));
  max-width: 640px;
  margin-bottom: 32px;
  font-size: 17px;
}

/* Cards grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  position: relative;
  z-index: 1;
}

.card {
  background: hsl(var(--card) / .6);
  backdrop-filter: blur(8px);
  border: .8px solid hsl(var(--border) / .6);
  border-radius: var(--radius);
  padding: 28px;
  transition: box-shadow .2s, transform .2s;
}

.card:hover {
  box-shadow: 0 10px 30px hsl(var(--primary) / .3);
  transform: translateY(-4px);
}

.card .icon {
  color: hsl(var(--primary));
  margin-bottom: 16px;
}

.card h3 {
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 10px;
}

.card p {
  color: hsl(var(--muted-foreground));
  font-size: 15px;
}

/* CTA */
.cta {
  text-align: center;
  position: relative;
  z-index: 1;
  padding-top: 40px;
}

.cta h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 12px;
}

.cta p {
  color: hsl(var(--muted-foreground));
  max-width: 560px;
  margin: 0 auto 28px;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  position: relative;
  z-index: 1;
}

@media (min-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.why-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
  color: hsl(var(--muted-foreground));
}

.why-list li .check { color: hsl(var(--primary)); flex-shrink: 0; }

.story p { color: hsl(var(--muted-foreground)); margin-bottom: 16px; }

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
}

.contact-card {
  background: hsl(var(--card) / .6);
  backdrop-filter: blur(8px);
  border: .8px solid hsl(var(--border) / .6);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: left;
}

.contact-card .icon-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  color: hsl(var(--primary));
  font-size: 19px;
  font-weight: 600;
}

.contact-card .value {
  color: hsl(var(--muted-foreground));
}

/* Footer */
footer {
  background: hsl(0 0% 6%);
  border-top: 1px solid hsl(var(--border));
  padding: 56px 24px 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}

.footer-grid h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-grid ul li { margin-bottom: 10px; }
.footer-grid ul li a { color: hsl(var(--muted-foreground)); transition: color .2s; }
.footer-grid ul li a:hover { color: hsl(var(--primary)); }

.footer-about p {
  color: hsl(var(--muted-foreground));
  margin: 12px 0 16px;
  max-width: 280px;
}

.social-row { display: flex; gap: 14px; }
.social-row a {
  color: hsl(var(--foreground));
  display: flex;
  align-items: center;
  justify-content: center;
}
.social-row a:hover { color: hsl(var(--primary)); }

.contact-info li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: hsl(var(--muted-foreground));
  margin-bottom: 10px;
  font-size: 14px;
}
.contact-info li svg { color: hsl(var(--primary)); flex-shrink: 0; }

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid hsl(var(--border));
  color: hsl(var(--muted-foreground));
  font-size: 14px;
}

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: hsl(var(--background));
    border-bottom: 1px solid hsl(var(--border));
    padding: 16px 24px;
    gap: 16px;
  }
  .hero h1 { font-size: 32px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* ==========================================================================
   Motion system: page transitions, scroll reveal, 3D tilt, animated
   gradients, magnetic buttons, blade interaction. All transform/opacity
   based; fully disabled under prefers-reduced-motion.
   ========================================================================== */

.page-transition {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: hsl(var(--background));
  opacity: 0;
  pointer-events: none;
  transition: opacity .35s ease;
}

.page-transition.covering {
  opacity: 1;
  pointer-events: all;
}

/* Animated gradient text */
.gradient-text,
.gradient-text-3 {
  background-size: 200% auto;
  animation: gradient-shift 7s ease-in-out infinite alternate;
}

@keyframes gradient-shift {
  from { background-position: 0% 50%; }
  to   { background-position: 100% 50%; }
}

/* Hero load-in choreography */
.hero h1,
.hero .subtitle,
.hero-actions,
.hero .stats {
  opacity: 0;
  transform: translateY(28px);
  animation: hero-in .7s cubic-bezier(.22,1,.36,1) forwards;
}

.hero h1        { animation-delay: .05s; }
.hero .subtitle { animation-delay: .18s; }
.hero-actions   { animation-delay: .3s; }
.hero .stats    { animation-delay: .42s; }

@keyframes hero-in {
  to { opacity: 1; transform: translateY(0); }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity .6s cubic-bezier(.22,1,.36,1), transform .6s cubic-bezier(.22,1,.36,1);
  transition-delay: calc(var(--reveal-i, 0) * 70ms);
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* 3D tilt targets */
[data-tilt] {
  transform-style: preserve-3d;
  will-change: transform;
  transition: transform .5s cubic-bezier(.22,1,.36,1), box-shadow .3s ease;
}

[data-tilt] * { transform: translateZ(0); }

/* Magnetic buttons */
.btn {
  will-change: transform;
  position: relative;
  overflow: hidden;
}

.btn .btn-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(120px circle at var(--mx, 50%) var(--my, 50%), hsl(0 0% 100% / .18), transparent 70%);
  opacity: 0;
  transition: opacity .3s ease;
  pointer-events: none;
}

.btn:hover .btn-glow { opacity: 1; }

/* Blade slash burst */
.blade.slash .blade-body,
.blade.slash .blade-edge-line {
  animation: blade-flash .45s ease-out;
}

@keyframes blade-flash {
  0%   { filter: brightness(1) drop-shadow(0 0 0 transparent); }
  25%  { filter: brightness(2.4) drop-shadow(0 0 24px hsl(var(--primary))); }
  100% { filter: brightness(1) drop-shadow(0 0 0 transparent); }
}

.spark {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: hsl(var(--primary));
  box-shadow: 0 0 8px hsl(var(--primary));
  pointer-events: none;
  animation: spark-fly .6s ease-out forwards;
}

@keyframes spark-fly {
  to {
    transform: translate(var(--sx), var(--sy)) scale(0);
    opacity: 0;
  }
}

/* Nav link underline */
.nav-links a {
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 2px;
  background: linear-gradient(to right, hsl(var(--primary)), hsl(var(--secondary)));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease-out;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}

.logo {
  display: inline-block;
  transition: filter .3s ease, transform .3s ease;
}

.logo:hover {
  filter: drop-shadow(0 0 10px hsl(var(--primary) / .6));
  transform: translateY(-1px);
}

/* Card icon micro-interaction */
.card .icon {
  display: inline-flex;
  transition: transform .35s cubic-bezier(.22,1,.36,1), color .3s ease;
}

.card:hover .icon {
  transform: translateZ(30px) rotate(-8deg) scale(1.12);
}

.card h3, .card p { transition: transform .35s ease; }
.card:hover h3 { transform: translateZ(20px); }
.card:hover p  { transform: translateZ(10px); }

.stat-card .num {
  font-variant-numeric: tabular-nums;
}

/* Respect reduced motion: disable non-essential motion, keep content visible */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }

  .hero h1, .hero .subtitle, .hero-actions, .hero .stats,
  .reveal {
    opacity: 1;
    transform: none;
    animation: none;
  }

  [data-tilt]:hover, [data-tilt] {
    transform: none !important;
  }

  .page-transition { display: none; }
}