/* ============================================
   SimonIT Tech – Redesign 2025
   ============================================ */

:root {
  --bg: #050d10;
  --bg2: #0a1a20;
  --surface: rgba(255, 255, 255, 0.03);
  --surface-hover: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.15);
  --text: #e4edf0;
  --text-secondary: #8fa3ab;
  --accent: #00d4aa;
  --accent2: #00b4d8;
  --accent-glow: rgba(0, 212, 170, 0.15);
  --accent2-glow: rgba(0, 180, 216, 0.15);
  --twitch: #9146ff;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --max-w: 1120px;
  --font: 'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --mono: 'SF Mono', 'Fira Code', 'Cascadia Code', ui-monospace, monospace;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

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

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; }

.container {
  width: min(var(--max-w), calc(100% - 48px));
  margin: 0 auto;
}

/* ---- Background Effects ---- */
.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

.bg-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
}
.bg-glow--1 {
  width: 600px; height: 600px;
  top: -200px; left: -100px;
  background: var(--accent-glow);
  opacity: 0.6;
}
.bg-glow--2 {
  width: 500px; height: 500px;
  top: 200px; right: -150px;
  background: var(--accent2-glow);
  opacity: 0.4;
}

/* ---- Topbar ---- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(5, 13, 16, 0.6);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.topbar.scrolled {
  background: rgba(5, 13, 16, 0.9);
}
.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

/* Brand */
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
  z-index: 101;
}
.brand__logo {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  position: relative;
  overflow: hidden;
  background: transparent;
  transition: filter 0.3s ease;
}
.brand__logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  mix-blend-mode: screen;
  display: block;
}
.brand:hover .brand__logo {
  animation: logoShake 0.4s ease-in-out;
}
@keyframes logoShake {
  0%, 100% { transform: translateX(0); }
  10% { transform: translateX(-2px); }
  20% { transform: translateX(2px); }
  30% { transform: translateX(-2px); }
  40% { transform: translateX(2px); }
  50% { transform: translateX(-1px); }
  60% { transform: translateX(1px); }
  70% { transform: translateX(-1px); }
  80% { transform: translateX(1px); }
  90% { transform: translateX(0); }
}
.brand__text {
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.brand__name {
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.3px;
}
.brand__accent {
  color: var(--accent);
}
.brand__tech {
  font-weight: 600;
  font-size: 13px;
  color: var(--text-secondary);
  letter-spacing: 0.3px;
}

/* Nav */
.nav {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav__link {
  position: relative;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav__link:hover {
  color: var(--text);
  background: var(--surface);
}
.nav__link.active {
  color: var(--accent);
  background: var(--accent-glow);
}

/* Burger */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  z-index: 101;
  transition: border-color var(--transition);
}
.burger:hover { border-color: var(--border-hover); }
.burger__line {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.burger[aria-expanded="true"] .burger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.burger[aria-expanded="true"] .burger__line:nth-child(2) {
  opacity: 0;
}
.burger[aria-expanded="true"] .burger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Nav */
.mobile-nav[hidden] {
  display: none;
}
.mobile-nav {
  padding: 8px 24px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.mobile-nav a {
  display: block;
  padding: 12px 16px;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 15px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.mobile-nav a:hover {
  color: var(--text);
  background: var(--surface);
}

/* ---- Hero ---- */
.hero {
  position: relative;
  padding: 80px 0 60px;
  z-index: 1;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 24px;
}

/* Pulse animation */
.pulse {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  position: relative;
}
.pulse::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0;
  animation: pulse 2s ease-out infinite;
}
@keyframes pulse {
  0% { transform: scale(0.5); opacity: 0.8; }
  100% { transform: scale(2.5); opacity: 0; }
}

.hero h1 {
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
}
.gradient-text {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero__desc {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: 32px;
}

/* Hero CTA */
.hero__cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14px;
  border: 1px solid transparent;
  transition: all var(--transition);
  cursor: pointer;
}
.btn--primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: var(--bg);
  box-shadow: 0 4px 24px var(--accent-glow), 0 1px 3px rgba(0,0,0,0.3);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--accent-glow), 0 2px 8px rgba(0,0,0,0.3);
}
.btn--outline {
  border-color: var(--border);
  color: var(--text);
  background: var(--surface);
}
.btn--outline:hover {
  border-color: var(--border-hover);
  background: var(--surface-hover);
  transform: translateY(-2px);
}
.btn--twitch {
  background: var(--twitch);
  color: #fff;
  box-shadow: 0 4px 20px rgba(145, 70, 255, 0.25);
}
.btn--twitch:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(145, 70, 255, 0.35);
}

/* Hero Stats */
.hero__stats {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.stat {
  display: flex;
  align-items: center;
  gap: 10px;
}
.stat__icon {
  width: 40px; height: 40px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--accent);
}
.stat__text {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

/* Terminal */
.hero__visual {
  display: flex;
  justify-content: flex-end;
}
.terminal {
  width: 100%;
  max-width: 420px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(10, 26, 32, 0.8);
  backdrop-filter: blur(12px);
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4);
}
.terminal__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border);
}
.terminal__dot {
  width: 12px; height: 12px;
  border-radius: 50%;
}
.terminal__dot--red { background: #ff5f57; }
.terminal__dot--yellow { background: #febc2e; }
.terminal__dot--green { background: #28c840; }
.terminal__title {
  margin-left: auto;
  font-size: 12px;
  color: var(--text-secondary);
  font-family: var(--mono);
}
.terminal__body {
  padding: 20px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.8;
  min-height: 200px;
}
.terminal__line {
  display: flex;
  gap: 8px;
  align-items: center;
}
.terminal__prompt {
  color: var(--accent);
  font-weight: 700;
}
.terminal__cmd {
  color: var(--text);
}
.terminal__cursor {
  color: var(--accent);
  animation: blink 1s step-end infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}
.terminal__output {
  color: var(--text-secondary);
  margin-top: 8px;
  white-space: pre-line;
}
.terminal__output .ok { color: var(--accent); }
.terminal__output .info { color: var(--accent2); }

/* ---- Sections ---- */
.section {
  position: relative;
  padding: 80px 0;
  z-index: 1;
}
.section--alt {
  background: var(--bg2);
}
.section__header {
  margin-bottom: 48px;
}
.section__label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 8px;
}
.section__header h2 {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
}
.section__desc {
  color: var(--text-secondary);
  font-size: 16px;
}

/* ---- Topics ---- */
.topics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.topic {
  position: relative;
  display: block;
  padding: 36px 32px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
  backdrop-filter: blur(10px);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}
.topic::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  padding: 1px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition);
}
.topic:hover::before {
  opacity: 1;
}
.topic::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  transform: translate(-50%, -50%) scale(0);
  opacity: 0;
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}
.topic:hover::after {
  transform: translate(-50%, -50%) scale(1.5);
  opacity: 0.4;
}
.topic:hover {
  border-color: transparent;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
  transform: translateY(-8px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4), 0 0 40px var(--accent-glow);
}
.topic__icon {
  width: 60px; height: 60px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: var(--bg);
  margin-bottom: 24px;
  box-shadow: 0 8px 24px var(--accent-glow);
  transition: all var(--transition);
}
.topic:hover .topic__icon {
  transform: scale(1.1) rotateY(10deg);
  box-shadow: 0 12px 32px var(--accent-glow);
}
.topic h3 {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 12px;
  background: linear-gradient(135deg, var(--text), var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: all var(--transition);
}
.topic:hover h3 {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.topic p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 20px;
}
.topic__tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.topic__tags span {
  font-size: 11px;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.03);
  transition: all var(--transition);
}
.topic:hover .topic__tags span {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
  transform: translateY(-2px);
}

/* ---- Projects ---- */
.projects {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.project {
  position: relative;
  padding: 32px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}
.project::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.project:hover::before {
  transform: scaleX(1);
}
.project:hover {
  border-color: var(--border-hover);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
  transform: translateY(-8px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4), 0 0 30px var(--accent-glow);
}
.project__badge {
  display: inline-block;
  width: fit-content;
  font-size: 10px;
  font-weight: 800;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all var(--transition);
}
.project__badge--smart {
  background: linear-gradient(135deg, rgba(0, 212, 170, 0.15), rgba(0, 212, 170, 0.05));
  border: 1px solid rgba(0, 212, 170, 0.3);
  color: var(--accent);
  box-shadow: 0 4px 12px rgba(0, 212, 170, 0.15);
}
.project__badge--server {
  background: linear-gradient(135deg, rgba(0, 180, 216, 0.15), rgba(0, 180, 216, 0.05));
  border: 1px solid rgba(0, 180, 216, 0.3);
  color: var(--accent2);
  box-shadow: 0 4px 12px rgba(0, 180, 216, 0.15);
}
.project__badge--net {
  background: linear-gradient(135deg, rgba(145, 70, 255, 0.15), rgba(145, 70, 255, 0.05));
  border: 1px solid rgba(145, 70, 255, 0.3);
  color: #b48eff;
  box-shadow: 0 4px 12px rgba(145, 70, 255, 0.15);
}
.project:hover .project__badge {
  transform: scale(1.05);
}
.project h3 {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 12px;
  transition: color var(--transition);
}
.project:hover h3 {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.project p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
  flex: 1;
}
.project__footer {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
.project__tech {
  font-size: 11px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: var(--radius-xs);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-family: var(--mono);
  transition: all var(--transition);
}
.project:hover .project__tech {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

/* ---- Stream ---- */
.stream {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 20px;
  align-items: stretch;
}
.stream__info {
  padding: 32px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.stream__live {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.stream__info h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.3;
}
.stream__info p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 24px;
}
.stream__embed {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  min-height: 300px;
  background: var(--bg);
}
.stream__embed iframe {
  display: block;
  border: none;
  width: 100%;
  height: 100%;
}

/* ---- Contact ---- */
.contact {
  max-width: 640px;
}
.contact__card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 20px;
}
.contact__item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  transition: all var(--transition);
}
.contact__item:hover {
  border-color: var(--border-hover);
  background: var(--surface-hover);
}
.contact__icon {
  width: 44px; height: 44px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  background: var(--accent-glow);
  color: var(--accent);
  flex-shrink: 0;
}
.contact__label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
  margin-bottom: 2px;
}
.contact__link {
  font-weight: 600;
  color: var(--text);
  transition: color var(--transition);
}
.contact__link:hover {
  color: var(--accent);
}
.contact__notice {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-secondary);
  font-size: 13px;
}
.contact__notice svg {
  flex-shrink: 0;
  margin-top: 2px;
  opacity: 0.6;
}
.contact__notice p {
  margin: 0;
}

/* ---- Footer ---- */
.footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  z-index: 1;
  position: relative;
}
.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 15px;
  color: var(--text);
}
.footer__brand svg {
  color: var(--accent);
}
.footer__copy {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ---- Scroll Reveal ---- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .container {
    width: calc(100% - 32px);
  }

  .nav { display: none; }
  .burger { display: flex; }

  .hero {
    padding: 48px 0 40px;
  }
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero h1 {
    font-size: clamp(32px, 8vw, 48px);
  }
  .hero__visual {
    justify-content: center;
  }
  .terminal {
    max-width: 100%;
  }
  .hero__stats {
    gap: 16px;
  }

  .topics { grid-template-columns: 1fr; }
  .projects { grid-template-columns: 1fr; }

  .stream {
    grid-template-columns: 1fr;
  }
  .stream__embed {
    min-height: 240px;
  }

  .section {
    padding: 56px 0;
  }
}

/* ---- Easter Egg: Matrix Rain ---- */
.matrix-canvas {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 1;
  transition: opacity 1s ease-out;
}
.matrix-canvas--fade {
  opacity: 0;
}

/* ---- Content Pages ---- */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 14px;
  transition: all var(--transition);
}
.back-link:hover {
  color: var(--accent);
  transform: translateX(-4px);
}
.content-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.content-card {
  position: relative;
  padding: 32px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
  backdrop-filter: blur(10px);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}
.content-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  padding: 1px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.4s ease;
}
.content-card::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  transform: translate(-50%, -50%) scale(0);
  opacity: 0;
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}
.content-card:hover::before {
  opacity: 1;
}
.content-card:hover::after {
  transform: translate(-50%, -50%) scale(1.5);
  opacity: 0.3;
}
.content-card:hover {
  border-color: transparent;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
  transform: translateY(-8px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4), 0 0 40px var(--accent-glow);
}
.content-card h3 {
  position: relative;
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 10px;
  color: var(--text);
  transition: all var(--transition);
  z-index: 1;
}
.content-card:hover h3 {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.content-card p {
  position: relative;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.8;
  margin: 0;
  z-index: 1;
}

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

@media (max-width: 480px) {
  .hero__cta {
    flex-direction: column;
  }
  .btn {
    width: 100%;
    justify-content: center;
  }
  .hero__stats {
    flex-direction: column;
    gap: 12px;
  }
}

/* ============================================
   Home Assistant Widget
   ============================================ */

/* HA Widget wrapper */
.ha-widget {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
  backdrop-filter: blur(16px);
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,0.35);
}

.ha-widget__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 8px;
}

.ha-widget__status {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

.ha-widget__meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  font-family: var(--mono);
  opacity: 0.7;
}

/* Compact device grid */
.ha-devices {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding: 20px;
}

/* Device tile */
.ha-device {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 20px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  text-align: center;
  font: inherit;
  color: inherit;
}

.ha-device:hover {
  border-color: var(--border-hover);
  background: rgba(255,255,255,0.05);
  transform: translateY(-3px);
}

.ha-device--on {
  border-color: rgba(0, 212, 170, 0.4);
  background: rgba(0, 212, 170, 0.06);
  box-shadow: 0 0 20px rgba(0, 212, 170, 0.08);
}

.ha-device--on:hover {
  border-color: var(--accent);
  background: rgba(0, 212, 170, 0.1);
  box-shadow: 0 4px 20px rgba(0, 212, 170, 0.15);
}

.ha-device--scene {
  border-style: dashed;
}

.ha-device--scene:active {
  transform: scale(0.97);
}

.ha-device__icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(255,255,255,0.05);
  color: var(--text-secondary);
  transition: all 0.25s ease;
  flex-shrink: 0;
}

.ha-device--on .ha-device__icon {
  background: linear-gradient(135deg, rgba(0, 212, 170, 0.2), rgba(0, 212, 170, 0.08));
  color: var(--accent);
}

.ha-device--scene:active .ha-device__icon {
  background: linear-gradient(135deg, rgba(0, 180, 216, 0.3), rgba(0, 180, 216, 0.1));
  color: var(--accent2);
}

.ha-device__name {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  line-height: 1.3;
}

.ha-device--on .ha-device__name {
  color: var(--text);
}

.ha-device__state {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.05);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  transition: all 0.25s ease;
}

.ha-device--on .ha-device__state {
  background: rgba(0, 212, 170, 0.15);
  color: var(--accent);
  border-color: rgba(0, 212, 170, 0.3);
}

.ha-device__value {
  font-size: 20px;
  font-weight: 800;
  font-family: var(--mono);
  color: var(--accent2);
  letter-spacing: -0.5px;
  line-height: 1;
}

.ha-device__sublabel {
  font-size: 10px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  font-weight: 600;
  opacity: 0.6;
}

/* Scene flash animation */
@keyframes haSceneFlash {
  0% { box-shadow: 0 0 0 rgba(0,180,216,0); }
  30% { box-shadow: 0 0 30px rgba(0,180,216,0.35), 0 0 60px rgba(0,212,170,0.2); }
  100% { box-shadow: 0 0 0 rgba(0,180,216,0); }
}
.ha-device--scene-active {
  animation: haSceneFlash 0.8s ease-out forwards;
}

/* Widget footer link */
.ha-widget__footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

/* ---- Full HA Dashboard (smarthome.html) ---- */
.ha-dashboard {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
  backdrop-filter: blur(16px);
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,0.35);
}

.ha-dashboard__topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
  gap: 12px;
  flex-wrap: wrap;
}

.ha-dashboard__title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 15px;
}

.ha-dashboard__stats {
  display: flex;
  gap: 16px;
  font-size: 12px;
  font-family: var(--mono);
  color: var(--text-secondary);
  flex-wrap: wrap;
}

.ha-dashboard__stat-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.ha-dashboard__stat-item span:first-child {
  color: var(--accent);
  font-weight: 700;
}

/* Room tabs */
.ha-tabs {
  display: flex;
  gap: 4px;
  padding: 14px 20px 0;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  overflow-x: auto;
  scrollbar-width: none;
}
.ha-tabs::-webkit-scrollbar { display: none; }

.ha-tab {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  border: 1px solid transparent;
  border-bottom: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
  font: inherit;
  position: relative;
  bottom: -1px;
}

.ha-tab:hover {
  color: var(--text);
  background: rgba(255,255,255,0.04);
}

.ha-tab.active {
  color: var(--accent);
  background: var(--bg2);
  border-color: var(--border);
  border-bottom-color: var(--bg2);
}

/* Room panels */
.ha-panels {
  padding: 20px;
  background: var(--bg2);
}

.ha-panel {
  display: none;
}

.ha-panel.active {
  display: block;
}

/* Sub-sections inside rooms */
.ha-section-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-secondary);
  margin-bottom: 12px;
  margin-top: 20px;
  opacity: 0.7;
}
.ha-section-title:first-child { margin-top: 0; }

/* Full grid (more columns) */
.ha-devices--full {
  grid-template-columns: repeat(4, 1fr);
}

/* Sensor row */
.ha-sensor-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 12px;
}

.ha-sensor-card {
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  display: flex;
  align-items: center;
  gap: 14px;
}

.ha-sensor-card__icon {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(0, 180, 216, 0.15), rgba(0, 180, 216, 0.05));
  color: var(--accent2);
  flex-shrink: 0;
}

.ha-sensor-card__label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-secondary);
  margin-bottom: 2px;
  opacity: 0.7;
}

.ha-sensor-card__value {
  font-size: 22px;
  font-weight: 800;
  font-family: var(--mono);
  color: var(--accent2);
  letter-spacing: -0.5px;
  line-height: 1;
}

/* Automation toggle row */
.ha-auto-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ha-auto-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  gap: 12px;
}

.ha-auto-item__info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ha-auto-item__name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.ha-auto-item__desc {
  font-size: 12px;
  color: var(--text-secondary);
}

/* Toggle switch */
.ha-toggle {
  position: relative;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.ha-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.ha-toggle__track {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: rgba(255,255,255,0.1);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.25s ease;
}

.ha-toggle__track::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--text-secondary);
  transition: all 0.25s ease;
}

.ha-toggle input:checked + .ha-toggle__track {
  background: rgba(0, 212, 170, 0.25);
  border-color: var(--accent);
}

.ha-toggle input:checked + .ha-toggle__track::after {
  transform: translateX(20px);
  background: var(--accent);
}

/* Responsive HA widget */
@media (max-width: 900px) {
  .ha-devices {
    grid-template-columns: repeat(2, 1fr);
  }
  .ha-devices--full {
    grid-template-columns: repeat(2, 1fr);
  }
  .ha-sensor-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .ha-devices {
    grid-template-columns: repeat(2, 1fr);
  }
  .ha-dashboard__stats {
    display: none;
  }
}