/* ============================================================
   TURTLE PLUS — Next-Gen Corporate Design
   Deep-tech dark theme / emerald-cyan gradient identity
   ============================================================ */

/* ----------------------------------------------------------
   Tokens
---------------------------------------------------------- */
:root {
  --bg: #04060b;
  --bg-2: #070b14;
  --bg-3: #0a101d;
  --surface: rgba(255, 255, 255, 0.03);
  --surface-2: rgba(255, 255, 255, 0.05);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text: #eef2f8;
  --muted: #99a3b8;
  --muted-2: #46506a;
  --accent: #00e5a0;
  --accent-2: #00c2ff;
  --accent-dark: #03130d;
  --grad: linear-gradient(120deg, #00e5a0 0%, #00c2ff 100%);
  --grad-soft: linear-gradient(120deg, rgba(0, 229, 160, 0.16), rgba(0, 194, 255, 0.16));
  --glow: 0 0 40px rgba(0, 229, 160, 0.35);
  --font-en: 'Space Grotesk', 'Noto Sans JP', sans-serif;
  --font-jp: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --header-h: 76px;
  --radius: 18px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-jp);
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
address { font-style: normal; }

::selection { background: rgba(0, 229, 160, 0.35); color: #fff; }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #1c2536; border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: #2a3650; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.container {
  width: min(1160px, 92%);
  margin-inline: auto;
}

.pc-only { display: inline; }
@media (max-width: 768px) { .pc-only { display: none; } }

/* Gradient text */
.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ----------------------------------------------------------
   Reveal animations (JS adds .is-visible)
---------------------------------------------------------- */
html.js [data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}
html.js [data-reveal].is-visible { opacity: 1; transform: none; }

html.js .split-line .char {
  display: inline-block;
  opacity: 0;
  transform: translateY(110%) rotate(6deg);
  transition: opacity 0.7s var(--ease), transform 0.9s var(--ease);
}
html.js .split-line.is-visible .char { opacity: 1; transform: none; }

/* ----------------------------------------------------------
   Preloader
---------------------------------------------------------- */
#loader {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.8s var(--ease), visibility 0.8s;
}
#loader.done { transform: translateY(-100%); visibility: hidden; }
html:not(.js) #loader { display: none; }

.loader-inner { text-align: center; }

.loader-brand {
  font-family: var(--font-en);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: 0.18em;
  margin-bottom: 22px;
}
.loader-plus {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  padding-inline: 2px;
}

.loader-track {
  width: min(260px, 60vw);
  height: 2px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
  margin-inline: auto;
}
.loader-bar {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--grad);
  border-radius: 2px;
  transition: width 0.2s ease-out;
}

.loader-count {
  margin-top: 14px;
  font-family: var(--font-en);
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  color: var(--muted);
}

/* ----------------------------------------------------------
   Scroll progress bar
---------------------------------------------------------- */
#progressBar {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: var(--grad);
  z-index: 600;
  box-shadow: 0 0 12px rgba(0, 229, 160, 0.6);
}

/* ----------------------------------------------------------
   Header
---------------------------------------------------------- */
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 500;
  transition: background 0.4s, border-color 0.4s, backdrop-filter 0.4s;
  border-bottom: 1px solid transparent;
}
#header.scrolled {
  background: rgba(4, 6, 11, 0.72);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  border-bottom-color: var(--border);
}

.header-inner {
  width: min(1280px, 94%);
  margin-inline: auto;
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 28px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-right: auto;
}
.logo-img {
  width: 38px;
  height: 38px;
  object-fit: contain;
  filter: drop-shadow(0 0 12px rgba(0, 229, 160, 0.35));
}
.logo-text {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.14em;
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  white-space: nowrap;
}
.logo-text small {
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: 0.42em;
  color: var(--muted);
}

#nav ul { display: flex; gap: 4px; }

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 14px;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--muted);
  border-radius: 99px;
  transition: color 0.3s, background 0.3s;
}
.nav-num {
  font-family: var(--font-en);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent);
  opacity: 0.85;
}
.nav-link:hover { color: var(--text); background: var(--surface-2); }
.nav-link.active { color: var(--text); background: var(--surface-2); }

@media (max-width: 1080px) {
  #nav { display: none; }
}
@media (max-width: 560px) {
  .header-inner { gap: 12px; }
  .logo { gap: 8px; }
  .logo-img { width: 32px; height: 32px; }
  .logo-text { font-size: 0.88rem; }
  .logo-text small { display: none; }
  .header-cta { padding: 9px 16px; font-size: 0.76rem; }
  .header-cta .btn-arrow { display: none; }
}

/* Hamburger */
.hamburger {
  display: none;
  width: 46px;
  height: 46px;
  position: relative;
  z-index: 720;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: rgba(4, 6, 11, 0.5);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.hamburger span {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.4s var(--ease), background 0.3s;
}
.hamburger span:nth-child(1) { transform: translate(-50%, calc(-50% - 4px)); }
.hamburger span:nth-child(2) { transform: translate(-50%, calc(-50% + 4px)); }
.hamburger.open span:nth-child(1) { transform: translate(-50%, -50%) rotate(45deg); }
.hamburger.open span:nth-child(2) { transform: translate(-50%, -50%) rotate(-45deg); }
@media (max-width: 1080px) { .hamburger { display: block; } }

/* Mobile nav */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 450;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 90px 9vw 48px;
  visibility: hidden;
  pointer-events: none;
}
.mobile-nav-bg {
  position: absolute;
  inset: 0;
  background: rgba(4, 6, 11, 0.86);
  -webkit-backdrop-filter: blur(22px);
  backdrop-filter: blur(22px);
  opacity: 0;
  transition: opacity 0.45s;
}
.mobile-nav.open { visibility: visible; pointer-events: auto; }
.mobile-nav.open .mobile-nav-bg { opacity: 1; }

.mobile-nav-list { position: relative; display: grid; gap: 6px; }
.mobile-link {
  display: flex;
  align-items: baseline;
  gap: 16px;
  font-size: clamp(1.5rem, 6.4vw, 2.2rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 10px 0;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease), color 0.3s;
}
.mobile-nav.open .mobile-link { opacity: 1; transform: none; }
.mobile-link span {
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.1em;
}
.mobile-link:hover, .mobile-link-cta { color: var(--accent); }

.mobile-nav-foot {
  position: relative;
  margin-top: 48px;
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--muted);
  display: grid;
  gap: 4px;
  opacity: 0;
  transition: opacity 0.6s 0.3s;
}
.mobile-nav.open .mobile-nav-foot { opacity: 1; }

/* ----------------------------------------------------------
   Buttons
---------------------------------------------------------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  border-radius: 99px;
  white-space: nowrap;
  transition: transform 0.3s var(--ease), box-shadow 0.3s, background 0.3s, border-color 0.3s, color 0.3s, opacity 0.3s;
  will-change: transform;
}
.btn-arrow { font-family: var(--font-en); transition: transform 0.3s var(--ease); }
.btn:hover .btn-arrow { transform: translateX(5px); }

.btn-primary {
  background: var(--grad);
  color: var(--accent-dark);
  box-shadow: 0 8px 30px rgba(0, 220, 180, 0.28);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 44px rgba(0, 220, 180, 0.45);
}

.btn-ghost {
  border: 1px solid var(--border-strong);
  color: var(--text);
  background: rgba(255, 255, 255, 0.02);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn-sm { padding: 10px 22px; font-size: 0.84rem; }
.btn-lg { padding: 17px 38px; font-size: 0.98rem; }
.btn-block { width: 100%; }

/* ----------------------------------------------------------
   Shared background layers
---------------------------------------------------------- */
.bg-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, #000 30%, transparent 75%);
  mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, #000 30%, transparent 75%);
}

.noise {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.6'/%3E%3C/svg%3E");
}

.hero-aurora { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.aurora {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
  animation: auroraFloat 18s ease-in-out infinite alternate;
}
.aurora-1 {
  width: 46vw; height: 46vw;
  left: -12vw; top: -14vw;
  background: radial-gradient(circle, rgba(0, 229, 160, 0.32), transparent 65%);
}
.aurora-2 {
  width: 44vw; height: 44vw;
  right: -10vw; top: 4vw;
  background: radial-gradient(circle, rgba(0, 150, 255, 0.3), transparent 65%);
  animation-delay: -6s;
}
.aurora-3 {
  width: 36vw; height: 36vw;
  left: 28vw; bottom: -16vw;
  background: radial-gradient(circle, rgba(90, 80, 255, 0.22), transparent 65%);
  animation-delay: -12s;
}
@keyframes auroraFloat {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to   { transform: translate3d(4vw, 3vw, 0) scale(1.12); }
}

/* ----------------------------------------------------------
   Hero
---------------------------------------------------------- */
#hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 70% -10%, rgba(0, 110, 160, 0.16), transparent 60%),
    var(--bg);
  padding: calc(var(--header-h) + 40px) 0 120px;
}

#heroCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-content { position: relative; z-index: 2; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-en);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.26em;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 9px 18px;
  background: rgba(255, 255, 255, 0.025);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  margin-bottom: 34px;
}
.pulse-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(0, 229, 160, 0.6);
  animation: pulse 2.2s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(0, 229, 160, 0.55); }
  70%  { box-shadow: 0 0 0 10px rgba(0, 229, 160, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 229, 160, 0); }
}

.hero-title {
  font-size: clamp(2.5rem, 7.2vw, 5.4rem);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: 0.015em;
  margin-bottom: 30px;
}
.split-line { display: block; overflow: hidden; padding-bottom: 0.08em; }

.hero-lead {
  font-size: clamp(0.95rem, 1.6vw, 1.08rem);
  color: var(--muted);
  margin-bottom: 44px;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 70px; }

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-top: 1px solid var(--border);
  max-width: 640px;
}
.hero-stat {
  flex: 1 1 0;
  min-width: 140px;
  padding: 22px 28px 0 0;
  display: grid;
  gap: 2px;
}
.hero-stat + .hero-stat { padding-left: 28px; border-left: 1px solid var(--border); }
@media (max-width: 560px) {
  .hero-stat { min-width: 0; padding: 16px 14px 0 0; }
  .hero-stat + .hero-stat { padding-left: 14px; }
  .hero-stat-label { font-size: 0.54rem; letter-spacing: 0.16em; }
  .hero-stat-value { font-size: 1.3rem; }
  .hero-badge { font-size: 0.62rem; letter-spacing: 0.16em; padding: 8px 14px; }
}
.hero-stat-label {
  font-family: var(--font-en);
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  color: var(--muted);
}
.hero-stat-value {
  font-family: var(--font-en);
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-side {
  position: absolute;
  right: 34px;
  top: 50%;
  z-index: 2;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  font-family: var(--font-en);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.42em;
  color: var(--muted);
  opacity: 0.7;
}
@media (max-width: 1280px) { .hero-side { display: none; } }

.hero-scroll {
  position: absolute;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-family: var(--font-en);
  font-size: 0.62rem;
  letter-spacing: 0.4em;
  color: var(--muted);
}
.scroll-line {
  width: 1px;
  height: 52px;
  background: rgba(255, 255, 255, 0.14);
  overflow: hidden;
  position: relative;
}
.scroll-line::after {
  content: "";
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--grad);
  animation: scrollDrop 2.2s var(--ease) infinite;
}
@keyframes scrollDrop {
  0% { top: -100%; }
  60% { top: 100%; }
  100% { top: 100%; }
}

/* ----------------------------------------------------------
   Marquee
---------------------------------------------------------- */
.marquee {
  position: relative;
  border-block: 1px solid var(--border);
  background: var(--bg-2);
  overflow: hidden;
  padding: 26px 0;
}
.marquee-track {
  display: flex;
  width: max-content;
  animation: marqueeMove 36s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-group {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.marquee-group span {
  font-family: var(--font-en);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.28);
  padding-inline: 26px;
  transition: color 0.3s;
}
.marquee-group span:hover { color: var(--accent); -webkit-text-stroke-color: transparent; }
.marquee-group i {
  font-style: normal;
  font-family: var(--font-en);
  color: var(--accent);
  font-size: 1.1rem;
  opacity: 0.7;
}
@keyframes marqueeMove {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ----------------------------------------------------------
   Sections (shared)
---------------------------------------------------------- */
.section {
  position: relative;
  padding: clamp(90px, 12vw, 150px) 0;
  overflow: hidden;
}
.section-alt { background: var(--bg-2); }

.section-head { margin-bottom: clamp(44px, 6vw, 72px); }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-en);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.34em;
  color: var(--accent);
  margin-bottom: 20px;
}
.section-label::after {
  content: "";
  width: 48px;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
}
.section-num {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid rgba(0, 229, 160, 0.35);
  border-radius: 50%;
  font-size: 0.62rem;
  letter-spacing: 0.05em;
}

.section-title {
  font-size: clamp(1.8rem, 4.4vw, 3rem);
  font-weight: 900;
  line-height: 1.34;
  letter-spacing: 0.02em;
}

.section-desc {
  margin-top: 20px;
  color: var(--muted);
  font-size: 0.98rem;
}

/* ----------------------------------------------------------
   About
---------------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}
@media (max-width: 920px) { .about-grid { grid-template-columns: 1fr; } }

.about-text p {
  color: #c3cad8;
  margin-bottom: 1.4em;
  font-size: 1.02rem;
}

.about-keywords {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 36px;
}
@media (max-width: 560px) { .about-keywords { grid-template-columns: 1fr; } }
.keyword-chip {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 18px 16px;
  display: grid;
  gap: 6px;
  transition: border-color 0.3s, transform 0.3s var(--ease), background 0.3s;
}
.keyword-chip:hover {
  border-color: rgba(0, 229, 160, 0.4);
  background: var(--surface-2);
  transform: translateY(-4px);
}
.keyword-chip span { font-size: 1.3rem; font-weight: 900; }
.keyword-chip small { font-size: 0.74rem; color: var(--muted); line-height: 1.6; }

/* Code window */
.about-visual { position: relative; }
.about-visual-glow {
  position: absolute;
  inset: 8% -6% -10% -6%;
  background: radial-gradient(ellipse at 50% 60%, rgba(0, 200, 220, 0.16), transparent 65%);
  filter: blur(30px);
  z-index: -1;
}

.code-window {
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: rgba(8, 12, 22, 0.85);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  overflow: hidden;
  transform: perspective(1200px) rotateY(-4deg) rotateX(1.5deg);
  transition: transform 0.6s var(--ease);
}
.code-window:hover { transform: perspective(1200px) rotateY(0) rotateX(0); }

.code-head {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.025);
}
.code-dot { width: 11px; height: 11px; border-radius: 50%; background: #2a3550; }
.code-dot:nth-child(1) { background: #ff5f57; }
.code-dot:nth-child(2) { background: #febc2e; }
.code-dot:nth-child(3) { background: #28c840; }
.code-file {
  margin-left: 10px;
  font-family: var(--font-en);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.code-body {
  padding: 22px 24px 26px;
  font-family: 'Space Grotesk', 'Consolas', monospace;
  font-size: clamp(0.72rem, 1.45vw, 0.85rem);
  line-height: 2;
  overflow-x: auto;
  white-space: normal;
  counter-reset: line;
}
.code-line { display: block; white-space: pre; }
.code-line::before {
  counter-increment: line;
  content: counter(line, decimal-leading-zero);
  display: inline-block;
  width: 2.2em;
  color: rgba(255, 255, 255, 0.18);
  user-select: none;
}
.c-comment { color: #5d6a85; }
.c-key { color: #00c2ff; }
.c-var { color: #ffd479; }
.c-str { color: #00e5a0; }
.c-fn { color: #c792ea; }

.code-cursor {
  display: inline-block;
  width: 8px;
  height: 1.05em;
  background: var(--accent);
  vertical-align: text-bottom;
  margin-left: 4px;
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ----------------------------------------------------------
   Services
---------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
@media (max-width: 1024px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .services-grid { grid-template-columns: 1fr; } }

/* Spotlight (mouse-follow glow) shared */
.spotlight {
  position: relative;
  overflow: hidden;
}
.spotlight::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), rgba(0, 229, 180, 0.10), transparent 45%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.spotlight:hover::before { opacity: 1; }

.service-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.012));
  padding: 30px 28px 28px;
  display: flex;
  flex-direction: column;
  transition: transform 0.45s var(--ease), border-color 0.35s, box-shadow 0.45s;
}
.service-card:hover {
  transform: translateY(-7px);
  border-color: rgba(0, 229, 160, 0.4);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(0, 229, 160, 0.12);
}
.service-card::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease);
}
.service-card:hover::after { transform: scaleX(1); }

.service-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 22px;
}
.service-icon {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  border: 1px solid rgba(0, 229, 160, 0.28);
  background: var(--grad-soft);
  color: var(--accent);
  transition: transform 0.45s var(--ease), box-shadow 0.4s;
}
.service-icon svg { width: 30px; height: 30px; }
.service-card:hover .service-icon {
  transform: translateY(-3px) scale(1.05);
  box-shadow: var(--glow);
}
.service-num {
  font-family: var(--font-en);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 4px 12px;
}

.service-card h3 {
  font-size: 1.16rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: 0.03em;
}
.service-card p {
  font-size: 0.88rem;
  color: var(--muted);
  flex-grow: 1;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}
.service-tags li {
  font-family: var(--font-en);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: #b9efdd;
  background: rgba(0, 229, 160, 0.08);
  border: 1px solid rgba(0, 229, 160, 0.22);
  border-radius: 99px;
  padding: 4px 12px;
}

/* ----------------------------------------------------------
   Strengths — bento grid
---------------------------------------------------------- */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 22px;
}
.bento-card {
  grid-column: span 5;
  position: relative;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
  padding: 36px 34px;
  min-height: 240px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  transition: transform 0.45s var(--ease), border-color 0.35s, box-shadow 0.45s;
}
.bento-wide { grid-column: span 7; }
.bento-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 229, 160, 0.4);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}
@media (max-width: 920px) {
  .bento-card, .bento-wide { grid-column: span 12; min-height: 0; }
}

.bento-num {
  position: absolute;
  top: 18px;
  right: 26px;
  font-family: var(--font-en);
  font-size: clamp(3.4rem, 6vw, 4.6rem);
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.13);
  transition: -webkit-text-stroke-color 0.4s;
  pointer-events: none;
}
.bento-card:hover .bento-num { -webkit-text-stroke-color: rgba(0, 229, 160, 0.5); }

.bento-body { position: relative; z-index: 1; max-width: 30em; }
.bento-card h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 12px; }
.bento-card p { font-size: 0.9rem; color: var(--muted); }

.bento-deco {
  position: absolute;
  right: 26px;
  bottom: 22px;
  width: clamp(74px, 9vw, 110px);
  color: rgba(255, 255, 255, 0.07);
  transition: color 0.45s, transform 0.45s var(--ease);
  pointer-events: none;
}
.bento-card:hover .bento-deco {
  color: rgba(0, 229, 160, 0.3);
  transform: translateY(-4px) rotate(-3deg);
}
@media (max-width: 560px) { .bento-deco { display: none; } }

/* ----------------------------------------------------------
   Process
---------------------------------------------------------- */
.process-list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  counter-reset: step;
}
@media (max-width: 1024px) { .process-list { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px)  { .process-list { grid-template-columns: 1fr; } }

.process-item {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 64px 22px 26px;
  transition: transform 0.4s var(--ease), border-color 0.35s, background 0.35s;
}
.process-item:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 229, 160, 0.4);
  background: var(--surface-2);
}
.process-item::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  top: 18px;
  left: 22px;
  font-family: var(--font-en);
  font-size: 1.7rem;
  font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.process-item::after {
  content: "→";
  position: absolute;
  top: 24px;
  right: 18px;
  font-family: var(--font-en);
  color: var(--muted-2, #46506a);
  opacity: 0.7;
}
.process-item:last-child::after { content: "✓"; color: var(--accent); opacity: 1; }

.process-step {
  position: absolute;
  top: 30px;
  left: 64px;
  font-family: var(--font-en);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.26em;
  color: var(--muted);
}
.process-item h3 { font-size: 1.02rem; font-weight: 700; margin-bottom: 10px; }
.process-item p { font-size: 0.8rem; color: var(--muted); line-height: 1.85; }

/* ----------------------------------------------------------
   Company
---------------------------------------------------------- */
.company-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.6fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: stretch;
}
@media (max-width: 920px) { .company-grid { grid-template-columns: 1fr; } }

.company-side {
  border: 1px solid var(--border);
  border-radius: 22px;
  background:
    radial-gradient(ellipse at 20% 10%, rgba(0, 229, 160, 0.12), transparent 55%),
    radial-gradient(ellipse at 90% 90%, rgba(0, 140, 255, 0.12), transparent 55%),
    var(--surface);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 36px;
  overflow: hidden;
}
.company-side-en {
  font-family: var(--font-en);
  font-size: clamp(2.4rem, 4.6vw, 3.4rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: 0.04em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.25);
}
.company-side address {
  font-size: 0.84rem;
  color: var(--muted);
  line-height: 2;
}

.company-table { width: 100%; border-collapse: collapse; }
.company-table tr { border-bottom: 1px solid var(--border); transition: background 0.3s; }
.company-table tr:hover { background: rgba(255, 255, 255, 0.02); }
.company-table th, .company-table td {
  text-align: left;
  vertical-align: top;
  padding: 22px 14px;
  font-size: 0.92rem;
}
.company-table th {
  width: 9.5em;
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
  font-feature-settings: "palt";
}
.company-table td { color: #d6dce8; line-height: 2; }
@media (max-width: 560px) {
  .company-table th { width: 7em; padding-inline: 6px; }
  .company-table td { padding-inline: 6px; }
}

/* ----------------------------------------------------------
   Contact
---------------------------------------------------------- */
.section-contact {
  background:
    radial-gradient(ellipse 70% 50% at 50% 110%, rgba(0, 130, 180, 0.14), transparent 65%),
    var(--bg-2);
}
.contact-aurora .aurora { opacity: 0.25; }

.contact-grid {
  position: relative;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(36px, 5vw, 72px);
  align-items: start;
}
@media (max-width: 920px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-copy { position: sticky; top: calc(var(--header-h) + 32px); }
@media (max-width: 920px) { .contact-copy { position: static; } }

.contact-points { margin-top: 32px; display: grid; gap: 14px; }
.contact-points li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.92rem;
  color: #c3cad8;
}
.point-check {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent-dark);
  background: var(--grad);
}

.glass-panel {
  border: 1px solid var(--border-strong);
  border-radius: 24px;
  background: rgba(10, 15, 26, 0.66);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  padding: clamp(26px, 4vw, 44px);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }

.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: #c3cad8;
  margin-bottom: 9px;
}
.required { color: var(--accent); }

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  transition: border-color 0.3s, background 0.3s, box-shadow 0.3s;
  -webkit-appearance: none;
  appearance: none;
}
.form-group ::placeholder { color: #56617a; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: rgba(0, 229, 160, 0.55);
  background: rgba(0, 229, 160, 0.04);
  box-shadow: 0 0 0 4px rgba(0, 229, 160, 0.12);
}
.form-group textarea { resize: vertical; min-height: 130px; }

.select-wrap { position: relative; }
.select-wrap::after {
  content: "";
  position: absolute;
  right: 18px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}
.select-wrap select { cursor: pointer; }
.select-wrap option { background: var(--bg-3); color: var(--text); }

.form-submit { margin-top: 28px; }
.btn.is-sent { background: var(--grad); }
.btn.is-error { background: linear-gradient(120deg, #ff5470, #ff7a59); color: #2a060d; }

/* ----------------------------------------------------------
   Footer
---------------------------------------------------------- */
#footer {
  position: relative;
  border-top: 1px solid var(--border);
  background: var(--bg);
  padding: 80px 0 110px;
  overflow: hidden;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 44px;
  margin-bottom: 64px;
}
@media (max-width: 820px) { .footer-grid { grid-template-columns: 1fr; gap: 36px; } }

.footer-brand .logo { margin-bottom: 18px; }
.footer-tagline { color: var(--muted); font-size: 0.92rem; }

.footer-nav h4, .footer-info h4 {
  font-family: var(--font-en);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.34em;
  color: var(--accent);
  margin-bottom: 18px;
}
.footer-nav ul { display: grid; gap: 10px; }
.footer-nav a {
  font-size: 0.88rem;
  color: var(--muted);
  transition: color 0.3s, padding-left 0.3s;
}
.footer-nav a:hover { color: var(--accent); padding-left: 6px; }
.footer-info address { font-size: 0.88rem; color: var(--muted); line-height: 2.1; }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 28px;
  font-size: 0.78rem;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.footer-watermark {
  position: absolute;
  left: 50%;
  bottom: -0.18em;
  transform: translateX(-50%);
  font-family: var(--font-en);
  font-size: clamp(4rem, 13vw, 11rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  white-space: nowrap;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.06);
  pointer-events: none;
  user-select: none;
}

/* ----------------------------------------------------------
   Back to top
---------------------------------------------------------- */
#goTopBtn {
  position: fixed;
  right: 26px;
  bottom: 26px;
  z-index: 400;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: rgba(10, 15, 26, 0.7);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  color: var(--text);
  display: grid;
  place-items: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.35s, transform 0.35s var(--ease), visibility 0.35s, border-color 0.3s, color 0.3s, box-shadow 0.3s;
}
#goTopBtn svg { width: 20px; height: 20px; }
#goTopBtn.visible { opacity: 1; visibility: visible; transform: none; }
#goTopBtn:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: var(--glow);
}

/* ----------------------------------------------------------
   Reduced motion
---------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001s !important;
  }
  html.js [data-reveal],
  html.js .split-line .char { opacity: 1; transform: none; }
  .marquee-track { animation: none; }
  #heroCanvas { display: none; }
}