/* ── Design tokens ── */
:root {
  --bg-deep: #0a0e17;
  --bg-mid: #111827;
  --glass-bg: rgba(255, 255, 255, 0.04);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-strong-bg: rgba(255, 255, 255, 0.07);
  --text: #e7ecf3;
  --muted: #94a3b8;
  --accent-cyan: #22d3ee;
  --accent-violet: #8b5cf6;
  --accent-blue: #3b82f6;
  --glow-cyan: rgba(34, 211, 238, 0.35);
  --glow-violet: rgba(139, 92, 246, 0.3);
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --appbar-offset: 64px;
  --radius-lg: 20px;
  --radius-pill: 999px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-deep);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Animated background ── */
.bg-effects {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.45;
  animation: orbFloat 18s ease-in-out infinite alternate;
}

.bg-orb--cyan {
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, var(--accent-cyan) 0%, transparent 70%);
  top: -8%;
  left: -6%;
}

.bg-orb--violet {
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, var(--accent-violet) 0%, transparent 70%);
  bottom: 10%;
  right: -4%;
  animation-delay: -6s;
}

.bg-orb--blue {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, var(--accent-blue) 0%, transparent 70%);
  top: 40%;
  left: 45%;
  animation-delay: -12s;
}

.bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 20%, transparent 75%);
}

@keyframes orbFloat {
  0% {
    transform: translate(0, 0) scale(1);
  }
  100% {
    transform: translate(30px, -20px) scale(1.08);
  }
}

/* ── Floating tech accents ── */
.float-layer {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.float-icon {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 0 24px var(--glow-cyan);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--accent-cyan);
  animation: floatDrift 12s ease-in-out infinite;
}

.float-icon svg {
  width: 28px;
  height: 28px;
}

.float-icon--1 {
  top: 18%;
  right: 8%;
  animation-delay: 0s;
}
.float-icon--2 {
  top: 55%;
  right: 14%;
  animation-delay: -3s;
  color: var(--accent-violet);
  box-shadow: 0 0 24px var(--glow-violet);
}
.float-icon--3 {
  top: 72%;
  left: 6%;
  animation-delay: -6s;
}
.float-icon--4 {
  top: 28%;
  left: 4%;
  animation-delay: -9s;
  color: var(--accent-blue);
}
.float-icon--5 {
  top: 42%;
  right: 22%;
  animation-delay: -4s;
  font-size: 0.55rem;
}
.float-icon--6 {
  bottom: 22%;
  right: 6%;
  animation-delay: -7s;
}

@keyframes floatDrift {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
    opacity: 0.7;
  }
  50% {
    transform: translateY(-14px) rotate(3deg);
    opacity: 1;
  }
}

/* ── AppBar overrides ── */
#site-appbar {
  position: relative;
  z-index: 100;
  background: rgba(10, 14, 23, 0.75) !important;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border) !important;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.35);
}

#site-appbar .brand-mark {
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-right: 0.5rem;
}

#site-appbar .brand-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
  white-space: nowrap;
}

#site-appbar .main-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

#site-appbar .main-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.4rem 0.75rem;
  border-radius: 8px;
  transition:
    color 0.2s,
    background 0.2s,
    box-shadow 0.2s;
}

#site-appbar .main-nav a:hover,
#site-appbar .main-nav a:focus-visible {
  color: var(--accent-cyan);
  background: rgba(34, 211, 238, 0.08);
  outline: none;
}

#site-appbar #menu-btn {
  display: none;
}

body.nav-open #site-appbar .main-nav {
  display: flex;
}

/* ── Layout ── */
.page-shell {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: calc(var(--appbar-offset) + 2rem) 1.5rem 4rem;
}

section {
  scroll-margin-top: calc(var(--appbar-offset) + 1rem);
  margin-bottom: 3.5rem;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-cyan);
  margin-bottom: 1rem;
}

/* ── Glassmorphism ── */
.glass,
.e-card.glass-card {
  background: var(--glass-bg) !important;
  border: 1px solid var(--glass-border) !important;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: var(--radius-lg) !important;
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  transition:
    border-color 0.25s,
    box-shadow 0.25s;
}

.glass-strong,
.e-card.glass-card--hero {
  background: var(--glass-strong-bg) !important;
  border: 1px solid rgba(34, 211, 238, 0.2) !important;
  box-shadow:
    0 12px 48px rgba(0, 0, 0, 0.45),
    0 0 40px var(--glow-cyan),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.glass-card:hover,
.e-card.glass-card:hover {
  border-color: rgba(34, 211, 238, 0.35) !important;
  box-shadow:
    0 12px 40px rgba(0, 0, 0, 0.4),
    0 0 28px var(--glow-cyan);
}

/* ── Hero ── */
.hero-section {
  min-height: calc(100vh - var(--appbar-offset) - 4rem);
  display: flex;
  align-items: center;
  margin-bottom: 4rem;
}

.hero-layout {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: start;
  width: 100%;
}

.hero-card.e-card {
  padding: 0;
  overflow: hidden;
}

.hero-card .e-card-header {
  padding: 2.5rem 2.5rem 0;
  border: none;
  background: transparent;
}

.hero-card .e-card-header-caption .e-card-header-title {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  background: linear-gradient(135deg, #fff 0%, var(--accent-cyan) 55%, var(--accent-violet) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-card .e-card-header-caption .e-card-sub-title {
  font-size: clamp(1rem, 2.2vw, 1.25rem);
  color: var(--muted);
  margin-top: 0.75rem;
  font-weight: 400;
  line-height: 1.5;
  max-width: 36ch;
}

.hero-card .e-card-content {
  padding: 1.25rem 2.5rem;
  color: var(--muted);
  font-size: 1.05rem;
  border: none;
  background: transparent;
}

.hero-card .e-card-actions {
  padding: 0 2.5rem 2.5rem;
  gap: 0.75rem;
  flex-wrap: wrap;
  border: none;
  background: transparent;
}

.hero-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1rem;
  padding-top: 0.5rem;
}

.visitor-pill.e-btn {
  border-radius: var(--radius-pill) !important;
  padding: 0.55rem 1.25rem !important;
  font-size: 0.875rem !important;
  font-weight: 600 !important;
  border: 1px solid rgba(34, 211, 238, 0.45) !important;
  background: rgba(34, 211, 238, 0.1) !important;
  color: var(--accent-cyan) !important;
  box-shadow: 0 0 20px var(--glow-cyan) !important;
  letter-spacing: 0.02em;
  position: relative;
}

.visitor-pill.e-btn::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  margin-right: 0.5rem;
  box-shadow: 0 0 8px #22c55e;
  animation: livePulse 2s ease-in-out infinite;
  vertical-align: middle;
}

@keyframes livePulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.6;
    transform: scale(0.85);
  }
}

.stub-card .e-card-content {
  padding: 1.75rem 2rem;
  color: var(--muted);
  background: transparent;
  border: none;
}

.stub-card .e-card-header {
  padding: 1.5rem 2rem 0;
  background: transparent;
  border: none;
}

.stub-card .e-card-header-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
}

.stub-card .e-card-sub-title {
  color: var(--accent-violet);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.25rem;
}

.stub-card .e-card-content ul {
  margin: 0.75rem 0 0 1.25rem;
  color: var(--muted);
}

.stub-card .e-card-content li {
  margin-bottom: 0.35rem;
}

/* ── Contact links ── */
.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.75rem;
}

.contact-links a {
  color: var(--accent-cyan);
  text-decoration: none;
  font-weight: 500;
}

.contact-links a:hover {
  text-decoration: underline;
}

/* ── Footer ── */
.site-footer {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--glass-border);
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
}

.site-footer a {
  color: var(--accent-blue);
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

/* ── Responsive ── */
@media (max-width: 992px) {
  .float-icon--5,
  .float-icon--6 {
    display: none;
  }

  .hero-layout {
    grid-template-columns: 1fr;
  }

  .hero-meta {
    align-items: flex-start;
  }
}

@media (max-width: 768px) {
  :root {
    --appbar-offset: 56px;
  }

  #site-appbar .brand-name {
    display: none;
  }

  #site-appbar #menu-btn {
    display: inline-flex;
  }

  #site-appbar .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem 1rem 1rem;
    background: rgba(10, 14, 23, 0.95);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
    gap: 0.15rem;
  }

  #site-appbar .main-nav a {
    padding: 0.65rem 0.85rem;
  }

  body.nav-open #site-appbar .main-nav {
    display: flex;
  }

  .float-icon--3,
  .float-icon--4 {
    display: none;
  }

  .hero-card .e-card-header,
  .hero-card .e-card-content,
  .hero-card .e-card-actions {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }

  .page-shell {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}

@media (max-width: 480px) {
  .float-layer {
    display: none;
  }

  .hero-section {
    min-height: auto;
  }

  .visitor-pill.e-btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .bg-orb,
  .float-icon {
    animation: none;
  }

  .visitor-pill.e-btn::before {
    animation: none;
  }
}