/* Hide Vercel deployment toolbar */
vercel-toolbar,
vercel-live-feedback,
[data-vercel-toolbar],
.__vercel_toolbar { display: none !important; }

/* ===========================
   CSS Custom Properties
   =========================== */
:root {
  /* Backgrounds — navy spectrum */
  --color-bg:        #04111f;   /* deepest navy — body base */
  --color-bg-hero:   #051627;   /* hero layer */
  --color-bg-about:  #071b30;   /* about */
  --color-bg-prod:   #061525;   /* products section */
  --color-bg-vision: #040e1a;   /* vision — near-black navy */
  --color-bg-contact:#071b30;   /* contact */
  --color-bg-footer: #030d18;   /* footer — darkest */

  --color-surface:   #0b1e31;   /* card background */
  --color-surface-2: #0f2540;   /* card hover */

  --color-border:       rgba(11, 181, 181, 0.1);
  --color-border-hover: rgba(11, 181, 181, 0.3);

  /* Brand palette */
  --color-navy:        #1a3a6b;
  --color-navy-mid:    #1e4a80;
  --color-navy-light:  #2a6098;
  --color-teal:        #0bb5b5;
  --color-teal-light:  #1cd4d4;
  --color-teal-bright: #2eeaea;
  --color-primary:     #0bb5b5;
  --color-primary-light: #1cd4d4;
  --color-primary-glow:  rgba(11, 181, 181, 0.2);

  --grad-brand:      linear-gradient(135deg, #1a3a6b 0%, #0bb5b5 100%);
  --grad-brand-h:    linear-gradient(90deg,  #1a3a6b 0%, #0bb5b5 100%);
  --grad-brand-text: linear-gradient(135deg, #4a9fd4, #0bb5b5);
  --grad-section:    linear-gradient(180deg, rgba(11,181,181,0.03) 0%, transparent 100%);

  --color-text:        #d4eaf5;
  --color-text-muted:  #7aafc8;
  --color-text-subtle: #3d6e8a;

  /* Product accents — all within navy-teal family */
  --color-kizuna:     #0bb5b5;
  --color-kizuna-dim: rgba(11, 181, 181, 0.15);
  --color-zensho:     #2a7fd4;
  --color-zensho-dim: rgba(42, 127, 212, 0.15);
  --color-uhin:       #0d9e8f;
  --color-uhin-dim:   rgba(13, 158, 143, 0.15);
  --color-averyq:     #1a5fa8;
  --color-averyq-dim: rgba(26, 95, 168, 0.15);

  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius:    16px;
  --radius-sm: 8px;
  --radius-lg: 24px;

  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-card: 0 4px 32px rgba(2, 8, 18, 0.6);
  --shadow-teal: 0 0 40px rgba(11, 181, 181, 0.15);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  background: var(--color-bg);
  /* subtle navy diagonal grain across entire page */
  background-image:
    radial-gradient(ellipse 120% 60% at 80% 0%,   rgba(11,181,181,0.06) 0%, transparent 55%),
    radial-gradient(ellipse 80%  80% at 10% 100%,  rgba(26,58,107,0.25) 0%, transparent 60%);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Teal scrollbar */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-navy); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-teal); }
::selection { background: rgba(11, 181, 181, 0.3); color: #fff; }

/* ===========================
   Reusable Components
   =========================== */
.section-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-teal-light);
  background: rgba(11, 181, 181, 0.1);
  border: 1px solid rgba(11, 181, 181, 0.22);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.section-label--light {
  color: rgba(255,255,255,0.75);
  background: rgba(255,255,255,0.07);
  border-color: rgba(255,255,255,0.14);
}

.section-title {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-text);
}
.section-title--center { text-align: center; }
.section-title--light  { color: #fff; }

.section-subtitle {
  font-size: 18px;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 12px auto 40px;
  text-align: center;
  line-height: 1.7;
}

.text-accent {
  background: var(--grad-brand-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Thin teal divider line used between sections */
.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(11,181,181,0.25), transparent);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--grad-brand);
  color: #fff;
  box-shadow: 0 4px 20px rgba(11, 181, 181, 0.25), 0 2px 8px rgba(26,58,107,0.4);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 32px rgba(11, 181, 181, 0.4), 0 4px 16px rgba(26,58,107,0.5);
}

.btn--ghost {
  background: rgba(11, 181, 181, 0.06);
  color: var(--color-text-muted);
  border: 1px solid rgba(11, 181, 181, 0.18);
}
.btn--ghost:hover {
  border-color: rgba(11, 181, 181, 0.35);
  color: var(--color-teal-light);
  background: rgba(11, 181, 181, 0.1);
}

.btn--full { width: 100%; }

/* ===========================
   Navigation
   =========================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: var(--transition);
}

.nav.scrolled {
  background: rgba(4, 17, 31, 0.88);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(11, 181, 181, 0.12);
  padding: 10px 0;
}

.nav__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav__logo-mark {
  height: 40px;
  width: 40px;
  display: block;
  object-fit: contain;
  flex-shrink: 0;
}

.nav__logo-text {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #4ab8d8 0%, #0bb5b5 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}


.nav__links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav__links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-muted);
  padding: 8px 14px;
  border-radius: 8px;
  transition: var(--transition);
}
.nav__links a:hover {
  color: var(--color-teal-light);
  background: rgba(11, 181, 181, 0.08);
}

.nav__cta {
  background: var(--grad-brand) !important;
  color: #fff !important;
  padding: 8px 20px !important;
  border-radius: 10px !important;
  box-shadow: 0 2px 12px rgba(11,181,181,0.25) !important;
}
.nav__cta:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(11,181,181,0.4) !important;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-teal);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===========================
   Hero
   =========================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
  background: var(--color-bg-hero);
}

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

/* Navy-teal radial mesh background */
.hero__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 75% 20%,  rgba(11,181,181,0.13) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 15% 80%,  rgba(26,58,107,0.45) 0%, transparent 55%),
    radial-gradient(ellipse 100% 40% at 50% 100%, rgba(4,14,28,0.9)    0%, transparent 70%);
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(11,181,181,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11,181,181,0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 85% 75% at 50% 40%, black 10%, transparent 80%);
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
}

.hero__orb--1 {
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(11,181,181,0.22) 0%, transparent 70%);
  top: -200px;
  right: -150px;
  opacity: 1;
}

.hero__orb--2 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(26,58,107,0.6) 0%, transparent 65%);
  bottom: -100px;
  left: -150px;
  opacity: 1;
}

.hero__container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}

.hero__badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-teal-light);
  background: rgba(11,181,181,0.08);
  border: 1px solid rgba(11,181,181,0.22);
  padding: 6px 18px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero__title {
  font-size: clamp(40px, 6.5vw, 80px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: #fff;
  margin-bottom: 24px;
  text-shadow: 0 2px 40px rgba(11,181,181,0.1);
}

.hero__title-accent {
  background: linear-gradient(135deg, #4ab8d8 0%, #0bb5b5 50%, #1cd4d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: clamp(16px, 2vw, 19px);
  color: var(--color-text-muted);
  max-width: 620px;
  margin: 0 auto 44px;
  line-height: 1.75;
}

.hero__actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 72px;
}

.hero__stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
  background: rgba(11,181,181,0.04);
  border: 1px solid rgba(11,181,181,0.12);
  border-radius: 20px;
  padding: 28px 40px;
  max-width: 560px;
  margin: 0 auto;
  backdrop-filter: blur(10px);
}

.hero__stat { text-align: center; }

.hero__stat-value {
  display: block;
  font-size: 38px;
  font-weight: 900;
  background: var(--grad-brand-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.hero__stat-label {
  display: block;
  font-size: 12px;
  color: var(--color-text-subtle);
  margin-top: 6px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero__stat-divider {
  width: 1px;
  height: 44px;
  background: linear-gradient(180deg, transparent, rgba(11,181,181,0.25), transparent);
}

/* ===========================
   About
   =========================== */
.about {
  padding: 72px 0;
  background: var(--color-bg-about);
  position: relative;
}

.about::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(11,181,181,0.2), transparent);
}

.about::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(11,181,181,0.15), transparent);
}

/* Subtle teal glow top-right */
.about .container { position: relative; }
.about .container::before {
  content: '';
  position: absolute;
  top: -60px; right: -80px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(11,181,181,0.06), transparent 65%);
  pointer-events: none;
}

.about__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  margin-top: 48px;
}

.about__text {
  font-size: 16px;
  color: var(--color-text-muted);
  line-height: 1.85;
  margin-bottom: 20px;
}

.about__pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 36px;
}

.pillar {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background: rgba(11,181,181,0.04);
  border: 1px solid rgba(11,181,181,0.1);
  border-radius: var(--radius);
  transition: var(--transition);
}
.pillar:hover {
  border-color: rgba(11,181,181,0.25);
  background: rgba(11,181,181,0.08);
}

.pillar__icon { font-size: 22px; flex-shrink: 0; margin-top: 2px; }

.pillar strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.pillar p {
  font-size: 13px;
  color: var(--color-text-subtle);
  line-height: 1.5;
}

.about__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.about__card-stack {
  position: relative;
  width: 340px;
  height: 340px;
}

.about__center-badge {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 110px; height: 110px;
  background: var(--grad-brand);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 60px rgba(11,181,181,0.35), 0 0 120px rgba(26,58,107,0.3);
  z-index: 2;
  overflow: hidden;
}
.about__center-badge img { width: 88px; height: 88px; object-fit: contain; }

.about__floating-card {
  position: absolute;
  background: var(--color-surface);
  border: 1px solid rgba(11,181,181,0.15);
  border-radius: var(--radius);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-muted);
  box-shadow: var(--shadow-card);
  animation: float 4s ease-in-out infinite;
  backdrop-filter: blur(8px);
}
.about__floating-icon { font-size: 20px; }

.about__floating-logo {
  height: 28px;
  width: auto;
  max-width: 80px;
  object-fit: contain;
  object-position: center;
  display: block;
  filter: brightness(1.05) drop-shadow(0 1px 4px rgba(0,0,0,0.5));
}

.about__floating-card--1 { top: 20px;   left: 50%;  transform: translateX(-50%); animation-delay: 0s; }
.about__floating-card--2 { right: 10px; top: 50%;   transform: translateY(-50%); animation-delay: 1s; }
.about__floating-card--3 { bottom: 20px;left: 50%;  transform: translateX(-50%); animation-delay: 2s; }
.about__floating-card--4 { left: 10px;  top: 50%;   transform: translateY(-50%); animation-delay: 0.5s; }

@keyframes float  { 0%,100%{transform:translateX(-50%) translateY(0)}  50%{transform:translateX(-50%) translateY(-8px)} }
@keyframes float3 { 0%,100%{transform:translateX(-50%) translateY(0)}  50%{transform:translateX(-50%) translateY(8px)}  }
@keyframes float2 { 0%,100%{transform:translateY(-50%) translateX(0)}  50%{transform:translateY(-50%) translateX(-6px)} }
@keyframes float4 { 0%,100%{transform:translateY(-50%) translateX(0)}  50%{transform:translateY(-50%) translateX(6px)}  }

.about__floating-card--2 { animation-name: float2; }
.about__floating-card--3 { animation-name: float3; }
.about__floating-card--4 { animation-name: float4; }

/* ===========================
   Products
   =========================== */
.products {
  padding: 72px 0;
  background: var(--color-bg-prod);
  position: relative;
}

.products::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 40% at 0% 50%,   rgba(26,58,107,0.35) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 100% 50%,  rgba(11,181,181,0.07) 0%, transparent 60%);
  pointer-events: none;
}

.products .container { position: relative; z-index: 1; }
.products .section-label { display: block; text-align: center; }

.products__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.product-card {
  background: rgba(11,181,181,0.025);
  background-image: linear-gradient(145deg, rgba(26,58,107,0.2) 0%, rgba(4,17,31,0.6) 100%);
  border: 1px solid rgba(11,181,181,0.1);
  border-radius: var(--radius-lg);
  padding: 36px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  cursor: default;
  backdrop-filter: blur(4px);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.product-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 60% at 90% 10%, rgba(11,181,181,0.04), transparent 60%);
  pointer-events: none;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  opacity: 0;
  transition: var(--transition);
}

.product-card--kizuna::before { background: var(--grad-brand-h); }
.product-card--zensho::before { background: linear-gradient(90deg, #1a3a6b, #2a7fd4); }
.product-card--uhin::before   { background: linear-gradient(90deg, #0d9e8f, #1cd4d4); }
.product-card--averyq::before { background: linear-gradient(90deg, #1a5fa8, #1a3a6b); }

.product-card:hover {
  border-color: rgba(11,181,181,0.28);
  transform: translateY(-5px);
  background-image: linear-gradient(145deg, rgba(26,58,107,0.35) 0%, rgba(4,17,31,0.7) 100%);
}
.product-card:hover::before { opacity: 1; }

.product-card--kizuna:hover { box-shadow: 0 12px 48px rgba(11,181,181,0.18), var(--shadow-card); }
.product-card--zensho:hover { box-shadow: 0 12px 48px rgba(42,127,212,0.18), var(--shadow-card); }
.product-card--uhin:hover   { box-shadow: 0 12px 48px rgba(13,158,143,0.18), var(--shadow-card); }
.product-card--averyq:hover { box-shadow: 0 12px 48px rgba(26,95,168,0.18),  var(--shadow-card); }

.product-card__number {
  position: absolute;
  top: 24px; right: 28px;
  font-size: 56px;
  font-weight: 900;
  color: rgba(11,181,181,0.06);
  line-height: 1;
  user-select: none;
}

.product-card__icon {
  width: 160px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.product-card__logo {
  height: 48px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
  display: block;
  filter: brightness(1.05) drop-shadow(0 2px 8px rgba(0,0,0,0.4));
  transition: filter var(--transition), transform var(--transition);
}

.product-card:hover .product-card__logo {
  filter: brightness(1.1) drop-shadow(0 4px 12px rgba(11,181,181,0.2));
  transform: scale(1.03);
}

.product-card__tag {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.product-card--kizuna .product-card__tag { color: var(--color-kizuna); }
.product-card--zensho .product-card__tag { color: var(--color-zensho); }
.product-card--uhin   .product-card__tag { color: var(--color-uhin); }
.product-card--averyq .product-card__tag { color: var(--color-averyq); }

.product-card__title {
  font-size: 28px;
  font-weight: 800;
  line-height: 1.2;
  color: #fff;
}
.product-card__title span {
  font-size: 19px;
  font-weight: 400;
  color: var(--color-text-muted);
}

.product-card__desc {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.75;
}

.product-card__features {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.product-card__features li {
  font-size: 13px;
  color: var(--color-text-subtle);
  padding-left: 18px;
  position: relative;
}
.product-card__features li::before {
  content: '→';
  position: absolute;
  left: 0;
  font-size: 11px;
}
.product-card--kizuna .product-card__features li::before { color: var(--color-kizuna); }
.product-card--zensho .product-card__features li::before { color: var(--color-zensho); }
.product-card--uhin   .product-card__features li::before { color: var(--color-uhin); }
.product-card--averyq .product-card__features li::before { color: var(--color-averyq); }

.product-card__footer {
  border-top: 1px solid rgba(11,181,181,0.1);
  padding-top: 16px;
  margin-top: auto;
}

.product-card__status {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
  background: rgba(11,181,181,0.06);
  color: var(--color-text-subtle);
  border: 1px solid rgba(11,181,181,0.12);
}

/* ===========================
   Vision
   =========================== */
.vision {
  position: relative;
  padding: 72px 0;
  overflow: hidden;
  background: var(--color-bg-vision);
}

.vision__bg {
  position: absolute;
  inset: 0;
  /* deep navy with teal tones — matches logo gradient reversed */
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%,   rgba(26,58,107,0.6)  0%, transparent 55%),
    radial-gradient(ellipse 60% 50% at 100% 100%, rgba(11,181,181,0.12) 0%, transparent 55%),
    radial-gradient(ellipse 60% 50% at 0%   100%, rgba(26,58,107,0.4)  0%, transparent 55%);
  pointer-events: none;
}

.vision__bg::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(11,181,181,0.2), transparent);
}
.vision__bg::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(11,181,181,0.15), transparent);
}

.vision__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
}
.vision__orb--1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(26,58,107,0.7), transparent 70%);
  top: -160px; left: -120px; opacity: 0.7;
}
.vision__orb--2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(11,181,181,0.2), transparent 70%);
  bottom: -100px; right: -100px; opacity: 0.8;
}

.vision .container { position: relative; z-index: 1; }

.vision__subtitle {
  font-size: 18px;
  color: rgba(212,234,245,0.65);
  max-width: 680px;
  margin: 20px auto 60px;
  text-align: center;
  line-height: 1.78;
}

.vision__cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.vision__card {
  background: rgba(11,181,181,0.05);
  border: 1px solid rgba(11,181,181,0.12);
  border-radius: var(--radius);
  padding: 28px 22px;
  text-align: center;
  transition: var(--transition);
  backdrop-filter: blur(8px);
}
.vision__card:hover {
  background: rgba(11,181,181,0.1);
  border-color: rgba(11,181,181,0.25);
  transform: translateY(-5px);
  box-shadow: 0 8px 32px rgba(11,181,181,0.1);
}

.vision__card-icon { font-size: 32px; margin-bottom: 16px; }

.vision__card h4 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}

.vision__card p {
  font-size: 13px;
  color: rgba(212,234,245,0.5);
  line-height: 1.65;
}

/* ===========================
   Contact
   =========================== */
.contact {
  padding: 72px 0;
  background: var(--color-bg-contact);
  position: relative;
}

.contact::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(11,181,181,0.18), transparent);
}

.contact::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 60% at 100% 50%, rgba(26,58,107,0.3) 0%, transparent 60%);
  pointer-events: none;
}

.contact .container { position: relative; z-index: 1; }

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

.contact__text {
  font-size: 16px;
  color: var(--color-text-muted);
  line-height: 1.85;
  margin: 20px 0 32px;
}

.contact__info { display: flex; flex-direction: column; gap: 14px; }

.contact__info-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: var(--color-text-muted);
}
.contact__info-icon { font-size: 18px; }

.contact__form {
  background: rgba(11,181,181,0.04);
  background-image: linear-gradient(145deg, rgba(26,58,107,0.2) 0%, rgba(4,17,31,0.5) 100%);
  border: 1px solid rgba(11,181,181,0.14);
  border-radius: var(--radius-lg);
  padding: 36px;
  backdrop-filter: blur(8px);
}

.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: rgba(4,17,31,0.7);
  border: 1px solid rgba(11,181,181,0.14);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 14px;
  font-family: var(--font);
  color: var(--color-text);
  outline: none;
  transition: var(--transition);
  appearance: none;
  -webkit-appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-teal);
  box-shadow: 0 0 0 3px rgba(11,181,181,0.12);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--color-text-subtle); }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-group select {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%230bb5b5' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 14px;
  padding-right: 40px;
  cursor: pointer;
}

.form__note {
  font-size: 13px;
  text-align: center;
  margin-top: 12px;
  min-height: 18px;
  transition: var(--transition);
}

/* ===========================
   Footer
   =========================== */
.footer {
  background: var(--color-bg-footer);
  border-top: 1px solid rgba(11,181,181,0.12);
  padding: 48px 0 24px;
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 40% at 50% 0%, rgba(26,58,107,0.3) 0%, transparent 60%);
  pointer-events: none;
}

.footer .container { position: relative; z-index: 1; }

.footer__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 60px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(11,181,181,0.1);
  margin-bottom: 24px;
}

.footer__brand p {
  font-size: 14px;
  color: var(--color-text-subtle);
  line-height: 1.75;
  max-width: 340px;
  margin-top: 16px;
}

.footer__links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.footer__col h5 {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-teal);
  margin-bottom: 16px;
}

.footer__col ul { display: flex; flex-direction: column; gap: 10px; }

.footer__col ul li a {
  font-size: 14px;
  color: var(--color-text-subtle);
  transition: var(--transition);
}
.footer__col ul li a:hover { color: var(--color-teal-light); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.footer__bottom p { font-size: 13px; color: var(--color-text-subtle); }

/* ===========================
   Animations & Scroll
   =========================== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ===========================
   Responsive
   =========================== */
@media (max-width: 1024px) {
  .about__layout { grid-template-columns: 1fr; gap: 60px; }
  .about__visual { display: none; }
  .vision__cards { grid-template-columns: repeat(2, 1fr); }
  .footer__top { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  .nav__links {
    display: none;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(4,17,31,0.97);
    backdrop-filter: blur(20px);
    padding: 100px 24px 40px;
    gap: 4px;
    z-index: 99;
  }
  .nav__links.open { display: flex; }
  .nav__links a { font-size: 18px; padding: 14px 16px; text-align: center; }
  .nav__toggle { display: flex; z-index: 101; position: relative; }

  .hero { padding: 100px 0 60px; }
  .hero__stats { gap: 24px; padding: 20px 24px; }
  .hero__stat-divider { display: none; }

  .products__grid { grid-template-columns: 1fr; }
  .vision__cards { grid-template-columns: 1fr 1fr; }

  .contact__inner { grid-template-columns: 1fr; gap: 48px; }
  .about__pillars { grid-template-columns: 1fr; }
  .footer__links { grid-template-columns: 1fr 1fr; }
  .footer__bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero__title { font-size: 36px; }
  .hero__actions { flex-direction: column; align-items: center; }
  .vision__cards { grid-template-columns: 1fr; }
  .footer__links { grid-template-columns: 1fr; }
}

/* ===========================
   Hero Carousel
   =========================== */
.hero-carousel {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 640px;
  overflow: hidden;
  background: var(--color-bg-hero);
}

.carousel__track {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.carousel__slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.75s ease, transform 0.75s ease;
  pointer-events: none;
  will-change: opacity, transform;
}

.carousel__slide.active {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

.carousel__slide.exit {
  opacity: 0;
  transform: translateX(-40px);
}

/* Per-slide background tints */
.slide--company { background: linear-gradient(150deg, #051627 0%, #04111f 60%, #030e1a 100%); }
.slide--kizuna  { background: linear-gradient(150deg, #041a0f 0%, #04111f 60%, #030e1a 100%); }
.slide--zensho  { background: linear-gradient(150deg, #040d1a 0%, #04111f 60%, #030e1a 100%); }
.slide--uhin    { background: linear-gradient(150deg, #031518 0%, #04111f 60%, #030e1a 100%); }
.slide--averyq  { background: linear-gradient(150deg, #08041a 0%, #04111f 60%, #030e1a 100%); }

/* Background orbs */
.slide__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.slide__orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(80px);
}

/* Slide inner layout */
.slide__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 40px;
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 100px 40px 80px;
}

.slide__text {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.slide__tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  width: fit-content;
}

.slide__h1 {
  font-size: clamp(32px, 4.5vw, 58px);
  font-weight: 800;
  line-height: 1.12;
  color: #e8f4f8;
  letter-spacing: -0.02em;
  margin: 0;
}

.slide__sub {
  font-size: clamp(14px, 1.4vw, 17px);
  color: var(--color-text-muted);
  line-height: 1.8;
  max-width: 520px;
  margin: 0;
}

.slide__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-top: 4px;
}

/* Meta stat row */
.slide__meta {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 8px;
}

.slide__meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.slide__meta-val {
  font-size: 28px;
  font-weight: 800;
  line-height: 1;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.slide__meta-lbl {
  font-size: 11px;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.slide__meta-div {
  width: 1px;
  height: 36px;
  background: rgba(11,181,181,0.2);
}

.slide__meta-logo {
  height: 28px;
  width: auto;
  max-width: 100px;
  object-fit: contain;
  object-position: left center;
  display: block;
  filter: brightness(1.1);
}

/* SVG visual */
.slide__visual {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.slide__visual svg {
  width: 100%;
  max-width: 460px;
  height: auto;
  max-height: 460px;
  filter: drop-shadow(0 0 60px rgba(11,181,181,.12));
  animation: floatY 6s ease-in-out infinite;
}

/* Arrow buttons */
.carousel__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(11,181,181,0.25);
  background: rgba(4,17,31,0.7);
  backdrop-filter: blur(8px);
  color: var(--color-teal);
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.carousel__arrow:hover {
  border-color: var(--color-teal);
  background: rgba(11,181,181,0.12);
  box-shadow: 0 0 20px rgba(11,181,181,0.2);
}

.carousel__arrow--prev { left: 24px; }
.carousel__arrow--next { right: 24px; }

/* Dot indicators */
.carousel__dots {
  position: absolute;
  bottom: 48px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 8px;
}

.carousel__dot {
  height: 8px;
  width: 8px;
  border-radius: 100px;
  border: none;
  background: rgba(255,255,255,0.25);
  cursor: pointer;
  transition: width 0.35s ease, background 0.35s ease;
  padding: 0;
}

.carousel__dot.active {
  width: 28px;
  background: var(--dot-color, var(--color-teal));
}

/* Progress bar */
.carousel__progress {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: rgba(255,255,255,0.06);
  z-index: 10;
}

.carousel__progress-bar {
  height: 100%;
  width: 0%;
  background: var(--color-teal);
  transition: background 0.4s ease;
}

.carousel__progress-bar.running {
  animation: carouselProgress 5s linear forwards;
}

/* ===========================
   SVG Animation Keyframes
   =========================== */
@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@keyframes pulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50%       { opacity: 1;   transform: scale(1.06); }
}

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-14px); }
}

@keyframes blink {
  0%, 90%, 100% { opacity: 1; }
  50%            { opacity: 0.15; }
}

@keyframes dash {
  from { stroke-dashoffset: 0; }
  to   { stroke-dashoffset: -18; }
}

@keyframes ecgDraw {
  from { stroke-dashoffset: 400; }
  to   { stroke-dashoffset: 0; }
}

@keyframes carouselProgress {
  from { width: 0%; }
  to   { width: 100%; }
}

/* ===========================
   Carousel Responsive
   =========================== */
@media (max-width: 1024px) {
  .slide__inner {
    grid-template-columns: 1fr;
    padding: 80px 32px 100px;
    align-items: center;
  }
  .slide__visual { display: none; }
  .slide__h1 { font-size: clamp(28px, 5.5vw, 44px); }
}

@media (max-width: 768px) {
  .hero-carousel { height: auto; min-height: 100svh; }
  .slide__inner { padding: 80px 20px 110px; gap: 16px; }
  .slide__meta { gap: 16px; }
  .slide__meta-val { font-size: 22px; }
  .carousel__arrow { width: 40px; height: 40px; font-size: 16px; }
  .carousel__arrow--prev { left: 12px; }
  .carousel__arrow--next { right: 12px; }
  .carousel__dots { bottom: 56px; }
}

@media (max-width: 480px) {
  .slide__ctas { flex-direction: column; align-items: flex-start; }
  .slide__meta-div { display: none; }
  .slide__meta { gap: 20px; flex-wrap: wrap; }
}