:root {
  --bg-top: #14112c;
  --bg-mid: #241a49;
  --bg-low: #34245f;
  --bg-bot: #3f2c6e;
  --accent: #2dd4a7;
  --accent-strong: #25c39a;
  --accent-soft: rgba(45, 212, 167, 0.14);
  --text: #ffffff;
  --muted: rgba(214, 209, 240, 0.70);
  --muted-strong: rgba(224, 220, 245, 0.86);
  --panel: rgba(255, 255, 255, 0.045);
  --panel-2: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.10);
  --border-strong: rgba(255, 255, 255, 0.16);
  --max-width: 1160px;
  --font-base: 'Montserrat', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --radius: 18px;
  --transition: 0.28s ease;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-base);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background:
    radial-gradient(900px 600px at 88% 4%, rgba(45, 212, 167, 0.10), transparent 60%),
    radial-gradient(1100px 700px at 8% 0%, rgba(120, 80, 220, 0.20), transparent 55%),
    linear-gradient(180deg, var(--bg-top) 0%, var(--bg-mid) 32%, var(--bg-low) 66%, var(--bg-bot) 100%);
  background-attachment: fixed;
  min-height: 100vh;
}

a { color: inherit; }

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

iframe { border: 0; border-radius: 14px; width: 100%; }

.container {
  width: min(100% - 3rem, var(--max-width));
  margin-inline: auto;
}

.section { padding-block: clamp(3.5rem, 7vw, 6rem); }

/* ---------- Section headings ---------- */
.section-heading {
  text-align: center;
  max-width: 680px;
  margin: 0 auto clamp(2.5rem, 5vw, 3.5rem);
}

.eyebrow {
  display: inline-block;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  margin-bottom: 0.85rem;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.01em;
}

.section-heading p {
  margin: 1rem auto 0;
  color: var(--muted);
  font-size: 1.05rem;
}

/* ---------- Buttons ---------- */
button, .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.85rem 1.7rem;
  border-radius: 10px;
  border: none;
  font-family: inherit;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  background: var(--accent);
  color: #08231b;
  box-shadow: 0 10px 26px rgba(45, 212, 167, 0.28);
  transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition);
}

button:hover, button:focus-visible,
.button:hover, .button:focus-visible {
  transform: translateY(-2px);
  background: var(--accent-strong);
  box-shadow: 0 16px 32px rgba(45, 212, 167, 0.36);
}

button:active, .button:active { transform: translateY(0); }

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

/* ---------- Header / nav ---------- */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(20, 17, 44, 0.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.site-header .nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--text);
}

.brand-badge {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: transparent;
  border: 2px solid var(--accent);
  color: var(--accent);
  font-weight: 800;
  font-size: 1rem;
}

.brand-name { font-weight: 800; font-size: 1.2rem; letter-spacing: 0.01em; }

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  box-shadow: none;
}

.nav-toggle:hover, .nav-toggle:focus-visible {
  background: rgba(45, 212, 167, 0.22);
  transform: none;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.primary-nav a {
  text-decoration: none;
  color: var(--muted-strong);
  font-weight: 600;
  font-size: 0.95rem;
  position: relative;
  padding-block: 0.25rem;
  transition: color var(--transition);
}

.primary-nav a::after {
  content: '';
  position: absolute;
  inset-inline: 0;
  bottom: -0.3rem;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition);
}

.primary-nav a:hover,
.primary-nav a:focus-visible,
.primary-nav a[aria-current="page"] { color: var(--text); }

.primary-nav a:hover::after,
.primary-nav a:focus-visible::after,
.primary-nav a[aria-current="page"]::after { transform: scaleX(1); }

@media (max-width: 860px) {
  .primary-nav {
    position: fixed;
    inset: 4.25rem 1.5rem auto 1.5rem;
    background: rgba(33, 24, 64, 0.98);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.5rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.45);
    transform: translateY(-20px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  }
  .primary-nav.is-open {
    opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0);
  }
}

@media (min-width: 861px) {
  .nav-toggle { display: none; }
}

/* ---------- Hero ---------- */
.hero { padding-block: clamp(3.5rem, 9vw, 7rem); }

.hero-grid {
  display: grid;
  gap: clamp(2.5rem, 6vw, 4rem);
  align-items: center;
}

@media (min-width: 880px) {
  .hero-grid { grid-template-columns: 1fr 1fr; }
}

.hero-content { display: flex; flex-direction: column; gap: 1.4rem; }

.hero-kicker {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.hero-content h1 {
  margin: 0;
  font-size: clamp(3.4rem, 8vw, 5.5rem);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.02em;
}

.hero-content > p {
  margin: 0;
  max-width: 30ch;
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--muted);
}

.hero-benefits {
  margin: 0.5rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1.1rem;
}

.hero-benefits li {
  display: grid;
  grid-template-columns: 26px 1fr;
  column-gap: 0.9rem;
  row-gap: 0.15rem;
  align-items: center;
}

.hero-benefits li::before {
  content: '';
  grid-column: 1;
  grid-row: 1 / span 2;
  align-self: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background-color: var(--accent-soft);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232dd4a7' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 15px;
}

.hero-benefits strong {
  grid-column: 2;
  grid-row: 1;
  display: block;
  color: var(--text);
  font-weight: 700;
  text-align: left;
}

.hero-benefits span {
  grid-column: 2;
  grid-row: 2;
  display: block;
  color: var(--muted);
  font-size: 0.95rem;
  text-align: left;
}

.hero-cta { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 0.5rem; }

.hero-showcase { display: grid; }

.hero-screen {
  border-radius: 22px;
  background: var(--panel-2);
  border: 1px solid var(--border-strong);
  padding: clamp(1rem, 2.5vw, 1.75rem);
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.45);
}

.hero-screen-body {
  border-radius: 14px;
  overflow: hidden;
  background: #0c0a1c;
}

.hero-screen-body img {
  width: 100%;
  height: auto;
  display: block;
}

/* ---------- Engineered Components ---------- */
.component-grid {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.component-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.component-card:hover {
  transform: translateY(-5px);
  border-color: rgba(45, 212, 167, 0.4);
  box-shadow: 0 24px 44px rgba(0, 0, 0, 0.35);
}

.component-media {
  border-radius: 14px;
  overflow: hidden;
  background: radial-gradient(circle at 50% 40%, rgba(58, 42, 99, 0.9), rgba(20, 17, 44, 0.95));
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
  margin-bottom: 1.25rem;
}

.component-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.component-card h3 { margin: 0 0 0.6rem; font-size: 1.3rem; font-weight: 700; }

.component-card > p {
  margin: 0 0 1.1rem;
  color: var(--muted);
  font-size: 0.96rem;
}

.spec-label {
  margin: auto 0 0.75rem !important;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.spec-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.5rem;
}

.spec-list li {
  position: relative;
  padding-left: 1.1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.spec-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* ---------- Designed for Excellence ---------- */
.benefit-grid {
  display: grid;
  gap: clamp(1rem, 2.5vw, 1.75rem);
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.benefit-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
  transition: transform var(--transition), border-color var(--transition);
}

.benefit-card:hover { transform: translateY(-4px); border-color: rgba(45, 212, 167, 0.35); }

.benefit-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
  margin-bottom: 1.1rem;
}

.benefit-icon svg { width: 24px; height: 24px; }

.benefit-card h3 { margin: 0 0 0.6rem; font-size: 1.18rem; font-weight: 700; }

.benefit-card p { margin: 0; color: var(--muted); font-size: 0.95rem; }

/* ---------- Gallery ---------- */
.gallery-grid {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.gallery-card { margin: 0; }

.lightbox-trigger {
  display: block;
  width: 100%;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: radial-gradient(circle at 50% 40%, rgba(58, 42, 99, 0.9), rgba(20, 17, 44, 0.95));
  cursor: zoom-in;
  box-shadow: none;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.lightbox-trigger:hover,
.lightbox-trigger:focus-visible {
  transform: translateY(-5px);
  border-color: rgba(45, 212, 167, 0.45);
  box-shadow: 0 24px 44px rgba(0, 0, 0, 0.4);
}

.lightbox-trigger img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* ---------- 3D Viewer ---------- */
.viewer-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-strong);
  background: #0c0a1c;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
}

.viewer-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: inherit;
}

.viewer-credit {
  margin: 1rem 0 0;
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
}

.viewer-credit a { color: var(--accent); text-decoration: none; font-weight: 600; }
.viewer-credit a:hover, .viewer-credit a:focus-visible { text-decoration: underline; }

/* ---------- Inventor Story ---------- */
.story-grid {
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
}

@media (min-width: 880px) {
  .story-grid { grid-template-columns: 320px 1fr; }
}

.story-portrait {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  text-align: center;
}

.portrait-frame {
  aspect-ratio: 4 / 5;
  border-radius: 14px;
  overflow: hidden;
  background: linear-gradient(150deg, #2a1f54, #0c0a1c);
  margin-bottom: 1.1rem;
}

.portrait-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.story-portrait h3 { margin: 0; font-size: 1.4rem; font-weight: 800; }
.story-location { margin: 0.35rem 0 0; color: var(--muted); font-size: 0.95rem; }

.story-copy .eyebrow { margin-bottom: 0.75rem; }

.story-copy h2 {
  margin: 0 0 1.2rem;
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.01em;
}

.story-copy p { margin: 0 0 1.1rem; color: var(--muted-strong); }

/* ---------- Contact ---------- */
.contact-card {
  max-width: 760px;
  margin-inline: auto;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: clamp(1.75rem, 5vw, 3rem);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.35);
}

.contact-card form { display: grid; gap: 1.25rem; }

.contact-header { text-align: center; margin-bottom: 0.5rem; }
.contact-header h2 { margin: 0.5rem 0 0.75rem; font-size: clamp(1.8rem, 4vw, 2.5rem); font-weight: 800; }
.contact-header p { margin: 0 auto; max-width: 50ch; color: var(--muted); }

.form-grid { display: grid; gap: 1rem; }

@media (min-width: 620px) {
  .form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 0.4rem; }

input, textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font: inherit;
  transition: border-color var(--transition), box-shadow var(--transition), background-color var(--transition);
}

input::placeholder, textarea::placeholder { color: rgba(214, 209, 240, 0.45); }

input:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 3px rgba(45, 212, 167, 0.25);
}

textarea { min-height: 150px; resize: vertical; }

.hidden-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.g-recaptcha { transform-origin: left top; }

.form-submit { width: 100%; font-size: 1.05rem; }

/* ---------- Social share ---------- */
.social-share { padding-block: clamp(2rem, 4vw, 3rem); }

.social-list {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  align-items: center;
  padding: 0;
  margin: 0;
  list-style: none;
}

.social-share a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  transition: transform var(--transition), border-color var(--transition);
}

.social-share a:hover,
.social-share a:focus-visible { transform: translateY(-4px); border-color: rgba(45, 212, 167, 0.4); }

.social-share img { width: 24px; height: 24px; border-radius: 4px; }

/* ---------- Footer ---------- */
footer {
  padding-block: 2.5rem;
  text-align: center;
  font-size: 0.92rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

footer a { color: var(--accent); text-decoration: none; }
footer a:hover, footer a:focus-visible { text-decoration: underline; }

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1.5rem, 5vw, 3rem);
  z-index: 1200;
}

.lightbox[hidden] { display: none; }

.lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(8, 6, 20, 0.82);
  backdrop-filter: blur(6px);
}

.lightbox__dialog {
  position: relative;
  margin: 0;
  max-width: min(820px, 100%);
  max-height: 90vh;
  background: #1c1640;
  border: 1px solid var(--border-strong);
  border-radius: 22px;
  padding: clamp(1.5rem, 4vw, 2.25rem);
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  z-index: 1;
}

.lightbox__dialog img {
  width: 100%;
  height: auto;
  border-radius: 14px;
  object-fit: contain;
  max-height: calc(80vh - 6rem);
  background: #0c0a1c;
}

.lightbox__dialog figcaption { margin: 0; color: var(--muted-strong); font-size: 0.98rem; }

.lightbox__close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: var(--text);
  font-size: 1.8rem;
  line-height: 1;
  box-shadow: none;
  padding: 0;
}

.lightbox__close:hover, .lightbox__close:focus-visible { background: var(--accent); color: #08231b; transform: scale(1.05); }

/* ---------- Article (blog) ---------- */
.article { max-width: 760px; margin-inline: auto; }
.article h1 { font-size: clamp(2.2rem, 4.5vw, 3rem); font-weight: 800; margin-bottom: 1rem; }
.article h2 { font-weight: 800; }
.article p, .article ul { color: var(--muted-strong); }
.article ul { padding-left: 1.25rem; }
.article ul li + li { margin-top: 0.6rem; }
.article ul li strong { color: var(--text); }

.hero-figure {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-strong);
  background: radial-gradient(circle at 50% 40%, rgba(58, 42, 99, 0.9), rgba(20, 17, 44, 0.95));
}

.hero-figure img { width: 100%; height: auto; }

/* ---------- Notice card (thank you) ---------- */
.notice-card {
  text-align: center;
  max-width: 640px;
  margin: clamp(3rem, 8vw, 5rem) auto;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: clamp(2.5rem, 6vw, 3.5rem);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.35);
}

.notice-card h1 { margin: 0 0 1rem; font-size: clamp(2.2rem, 5vw, 3.2rem); font-weight: 800; }
.notice-card p { margin: 0 0 1.75rem; color: var(--muted); font-size: 1.05rem; }

/* ---------- Utility ---------- */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}