:root {
  --bg: #f9fcff;
  --bg-soft: #e7f0fb;
  --surface: rgba(255, 255, 255, 0.8);
  --surface-strong: rgba(255, 255, 255, 0.92);
  --border: rgba(109, 151, 203, 0.28);
  --text: #10203a;
  --muted: rgba(16, 32, 58, 0.68);
  --accent: #4f8fff;
  --accent-soft: #97c6ff;
  --accent-violet: #cdc4ff;
  --accent-pink: #ffd9f4;
  --shadow: 0 30px 86px rgba(95, 133, 181, 0.18);
  --shadow-soft: 0 18px 48px rgba(95, 133, 181, 0.14);
  --radius-lg: 30px;
  --radius-md: 22px;
  --container: min(1160px, calc(100vw - 40px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 8%, rgba(184, 215, 255, 0.88), transparent 24%),
    radial-gradient(circle at 88% 12%, rgba(245, 214, 240, 0.62), transparent 20%),
    linear-gradient(180deg, #ffffff 0%, #f3f8ff 46%, #e8f1fb 100%);
  font-family: "Noto Sans TC", sans-serif;
  overflow-x: hidden;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
}

body::before {
  background-image:
    linear-gradient(rgba(133, 169, 216, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(133, 169, 216, 0.09) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(circle at center, black 28%, transparent 80%);
  mask-image: radial-gradient(circle at center, black 28%, transparent 80%);
  opacity: 0.5;
}

body::after {
  background:
    radial-gradient(circle at 22% 18%, rgba(151, 198, 255, 0.34), transparent 16%),
    radial-gradient(circle at 78% 24%, rgba(205, 196, 255, 0.24), transparent 14%),
    radial-gradient(circle at 48% 76%, rgba(255, 217, 244, 0.28), transparent 18%);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
a,
input,
textarea {
  font: inherit;
}

.page-shell {
  position: relative;
  isolation: isolate;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  padding: 18px 0;
}

.site-header.is-scrolled .header-inner {
  background: linear-gradient(180deg, rgba(226, 236, 249, 0.96), rgba(244, 248, 255, 0.92));
  border-color: rgba(97, 138, 191, 0.3);
  box-shadow: 0 18px 48px rgba(95, 133, 181, 0.18);
}

.header-inner {
  width: var(--container);
  margin: 0 auto;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border: 1px solid rgba(110, 151, 203, 0.24);
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(228, 238, 251, 0.82), rgba(246, 250, 255, 0.7));
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  box-shadow: 0 10px 28px rgba(109, 146, 194, 0.1);
  transition: background 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: "Outfit", sans-serif;
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.brand-mark {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 35%, rgba(255, 255, 255, 0.98), rgba(151, 198, 255, 0.9) 36%, rgba(79, 143, 255, 0.28) 74%);
  box-shadow:
    0 0 18px rgba(151, 198, 255, 0.7),
    0 0 42px rgba(79, 143, 255, 0.22);
}

.site-nav {
  display: inline-flex;
  align-items: center;
  gap: 24px;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.95rem;
  transition: color 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
}

.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform 220ms ease, box-shadow 220ms ease, background 220ms ease, border-color 220ms ease, color 220ms ease;
}

.nav-cta {
  min-height: 44px;
  padding: 0 20px;
  background: rgba(79, 143, 255, 0.1);
  border-color: rgba(79, 143, 255, 0.14);
  color: #17408d;
  font-weight: 700;
}

.button:hover,
.nav-cta:hover {
  transform: translateY(-1px);
}

.hero {
  position: relative;
  min-height: 100vh;
  padding: 56px 0 36px;
  display: flex;
  align-items: center;
}

.hero-background {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 26%, rgba(205, 196, 255, 0.44), transparent 18%),
    radial-gradient(circle at 66% 16%, rgba(151, 198, 255, 0.46), transparent 16%),
    radial-gradient(circle at center, rgba(255, 255, 255, 0.68), transparent 54%);
  pointer-events: none;
}

.hero-inner,
.section-heading,
.workflow-panel,
.proof-grid,
.cta-panel {
  width: var(--container);
  margin: 0 auto;
}

.hero-inner {
  position: relative;
}

.hero-scene {
  position: relative;
  min-height: 760px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.eyebrow,
.section-kicker,
.feature-index,
.proof-label,
.step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(129, 171, 217, 0.24);
  background: rgba(255, 255, 255, 0.7);
  color: rgba(16, 32, 58, 0.7);
  box-shadow: 0 12px 28px rgba(109, 146, 194, 0.1);
  font-family: "Outfit", sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-copy {
  position: relative;
  z-index: 2;
  width: min(860px, 100%);
  text-align: center;
}

.hero-copy h1,
.section-heading h2,
.workflow-copy h2,
.proof-card h2,
.cta-panel h2 {
  margin: 0;
  font-family: "Outfit", sans-serif;
  line-height: 0.94;
  letter-spacing: -0.04em;
}

.hero-copy h1 {
  margin-top: 18px;
  font-size: clamp(4rem, 11vw, 7.4rem);
}

.hero-tagline {
  margin: 18px 0 0;
  font-size: clamp(1.32rem, 2.4vw, 2rem);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.hero-description,
.section-heading p,
.workflow-copy p,
.proof-card p,
.workflow-step p,
.cta-panel p,
.feature-card p {
  color: var(--muted);
  line-height: 1.85;
}

.hero-description {
  max-width: 700px;
  margin: 18px auto 0;
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
  justify-content: center;
}

.button {
  padding: 0 28px;
  font-weight: 700;
}

.button-primary {
  background: linear-gradient(135deg, #0f2850 0%, #285baf 100%);
  border-color: rgba(15, 40, 80, 0.08);
  color: #fff;
  box-shadow: 0 18px 42px rgba(79, 143, 255, 0.26);
}

.button-primary:hover {
  box-shadow:
    0 22px 56px rgba(79, 143, 255, 0.3),
    0 0 36px rgba(151, 198, 255, 0.36);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.74);
  border-color: rgba(129, 171, 217, 0.22);
  color: var(--text);
  box-shadow: 0 14px 36px rgba(109, 146, 194, 0.12);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  max-width: 760px;
  margin: 42px auto 0;
}

.stat-card,
.feature-card,
.workflow-step,
.proof-card,
.cta-panel,
.workflow-panel {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(248, 251, 255, 0.78));
  border: 1px solid rgba(121, 161, 210, 0.22);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.stat-card {
  padding: 20px 20px 18px;
  border-radius: var(--radius-md);
}

.stat-value {
  display: block;
  font-family: "Outfit", sans-serif;
  font-size: 1.24rem;
  font-weight: 700;
}

.stat-label {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.95rem;
}

.hero-visual {
  position: absolute;
  inset: 0;
  min-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.orb-shell {
  position: absolute;
  will-change: transform;
}

.orb-shell-left {
  top: 12%;
  left: 16%;
}

.orb-shell-right {
  top: 8%;
  right: 18%;
}

.orb-shell-center {
  top: 16%;
  left: 43%;
}

.orb,
.mini-orb,
.card-orb,
.panel-orb {
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, 0.98);
  box-shadow:
    inset 0 2px 10px rgba(255, 255, 255, 0.42),
    0 18px 46px rgba(111, 156, 216, 0.18),
    0 0 24px rgba(255, 255, 255, 0.44);
  filter: saturate(1.1) contrast(1.06);
}

.orb {
  position: relative;
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.orb::before,
.mini-orb::before,
.card-orb::before,
.panel-orb::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background:
    radial-gradient(circle at 34% 28%, rgba(255, 255, 255, 1), rgba(255, 255, 255, 0.94) 14%, rgba(255, 255, 255, 0.56) 28%, rgba(255, 255, 255, 0.18) 56%, rgba(255, 255, 255, 0) 74%);
}

.orb::after,
.mini-orb::after,
.card-orb::after,
.panel-orb::after {
  content: "";
  position: absolute;
  inset: 10%;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.68);
  box-shadow: inset 0 0 12px rgba(255, 255, 255, 0.16);
  opacity: 0.92;
}

.orb-left,
.orb-right {
  width: clamp(220px, 26vw, 300px);
  height: clamp(220px, 26vw, 300px);
}

.orb-left {
  background: radial-gradient(circle at 50% 50%, rgba(255, 220, 244, 0.94), rgba(214, 200, 255, 0.58) 52%, rgba(214, 200, 255, 0.12) 76%);
  box-shadow:
    0 0 108px rgba(205, 196, 255, 0.5),
    0 26px 64px rgba(205, 196, 255, 0.24);
  animation: float-left 10s ease-in-out infinite;
}

.orb-right {
  background: radial-gradient(circle at 50% 50%, rgba(162, 206, 255, 0.96), rgba(151, 198, 255, 0.58) 52%, rgba(151, 198, 255, 0.12) 76%);
  box-shadow:
    0 0 112px rgba(151, 198, 255, 0.54),
    0 28px 68px rgba(151, 198, 255, 0.26);
  animation: float-right 12s ease-in-out infinite;
}

.orb-center {
  width: clamp(120px, 16vw, 160px);
  height: clamp(120px, 16vw, 160px);
  background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 1), rgba(172, 212, 255, 0.34) 58%, rgba(151, 198, 255, 0.08) 80%);
  box-shadow:
    0 0 78px rgba(151, 198, 255, 0.34),
    0 18px 42px rgba(151, 198, 255, 0.2);
  animation: float-center 8s ease-in-out infinite;
}

.section {
  position: relative;
  padding: 112px 0;
  overflow: hidden;
}

.section-capabilities {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0), rgba(234, 243, 255, 0.58));
}

.section-workflow {
  background: linear-gradient(180deg, rgba(231, 241, 255, 0.72), rgba(246, 250, 255, 0.9));
}

.section-interactive {
  background: linear-gradient(180deg, rgba(232, 242, 255, 0.62), rgba(247, 250, 255, 0.96));
}

.section-telegram {
  background: linear-gradient(180deg, rgba(0, 136, 204, 0.04), rgba(79, 143, 255, 0.04));
}

.section-proof {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(235, 244, 255, 0.56));
}

.section-cta {
  background: linear-gradient(180deg, rgba(232, 242, 255, 0.62), rgba(247, 250, 255, 0.96));
}

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

.mini-orb {
  position: absolute;
  animation: bubble-drift 12s ease-in-out infinite;
}

.mini-orb-a {
  background: radial-gradient(circle at 50% 50%, rgba(162, 206, 255, 0.88), rgba(151, 198, 255, 0.28) 56%, rgba(151, 198, 255, 0.04) 80%);
  box-shadow: 0 20px 48px rgba(151, 198, 255, 0.24);
}

.mini-orb-b {
  background: radial-gradient(circle at 50% 50%, rgba(255, 222, 245, 0.9), rgba(205, 196, 255, 0.28) 56%, rgba(205, 196, 255, 0.04) 80%);
  box-shadow: 0 20px 48px rgba(205, 196, 255, 0.24);
  animation-duration: 16s;
}

.section-capabilities .mini-orb-a {
  top: 42px;
  right: 10%;
  width: 138px;
  height: 138px;
}

.section-capabilities .mini-orb-b {
  top: 186px;
  left: 8%;
  width: 76px;
  height: 76px;
}

.section-workflow .mini-orb-a {
  top: 84px;
  left: 8%;
  width: 116px;
  height: 116px;
}

.section-workflow .mini-orb-b {
  bottom: 72px;
  right: 8%;
  width: 88px;
  height: 88px;
}

.section-interactive .mini-orb-a {
  top: 42px;
  right: 10%;
  width: 138px;
  height: 138px;
}

.section-interactive .mini-orb-b {
  top: 186px;
  left: 8%;
  width: 76px;
  height: 76px;
}

.section-telegram .mini-orb-a {
  top: 84px;
  left: 8%;
  width: 116px;
  height: 116px;
}

.section-telegram .mini-orb-b {
  bottom: 72px;
  right: 8%;
  width: 88px;
  height: 88px;
}

.section-proof .mini-orb-a {
  top: 34px;
  right: 8%;
  width: 110px;
  height: 110px;
}

.section-proof .mini-orb-b {
  bottom: 50px;
  left: 6%;
  width: 72px;
  height: 72px;
}

.section-cta .mini-orb-a {
  top: 24px;
  left: 12%;
  width: 126px;
  height: 126px;
}

.section-cta .mini-orb-b {
  bottom: 18px;
  right: 12%;
  width: 82px;
  height: 82px;
}

.section-heading {
  position: relative;
  max-width: 760px;
}

.section-heading h2,
.workflow-copy h2,
.proof-card h2,
.cta-panel h2 {
  margin-top: 16px;
  font-size: clamp(2.2rem, 5vw, 4.4rem);
}

.section-heading p,
.workflow-copy p,
.cta-panel p {
  margin: 20px 0 0;
  max-width: 700px;
  font-size: 1rem;
}

.feature-grid,
.proof-grid {
  width: var(--container);
  margin: 36px auto 0;
  display: grid;
  gap: 18px;
}

.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card,
.proof-card {
  border-radius: var(--radius-lg);
}

.feature-card {
  padding: 28px;
  min-height: 244px;
}

.feature-card h3 {
  margin: 18px 0 10px;
  font-family: "Outfit", sans-serif;
  font-size: 1.6rem;
}

.feature-card p,
.proof-card p {
  margin: 0;
}

.card-orb,
.panel-orb {
  position: absolute;
  pointer-events: none;
  animation: bubble-drift 14s ease-in-out infinite;
}

.card-orb {
  top: 18px;
  right: 18px;
  width: 54px;
  height: 54px;
  background: radial-gradient(circle at 50% 50%, rgba(166, 210, 255, 0.9), rgba(255, 255, 255, 0.24) 60%, rgba(255, 255, 255, 0.05) 82%);
  box-shadow:
    0 18px 38px rgba(151, 198, 255, 0.22),
    0 0 28px rgba(151, 198, 255, 0.18);
}

.panel-orb {
  top: 24px;
  right: 32px;
  width: 92px;
  height: 92px;
  background: radial-gradient(circle at 50% 50%, rgba(255, 224, 246, 0.9), rgba(205, 196, 255, 0.32) 56%, rgba(255, 255, 255, 0.05) 82%);
  box-shadow:
    0 24px 56px rgba(205, 196, 255, 0.24),
    0 0 30px rgba(205, 196, 255, 0.18);
}

.workflow-panel {
  padding: clamp(30px, 5vw, 48px);
  border-radius: 36px;
}

.workflow-copy {
  position: relative;
  z-index: 1;
  max-width: 740px;
}

.workflow-steps {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 34px;
}

.workflow-step {
  padding: 24px 20px;
  border-radius: 24px;
  box-shadow: var(--shadow-soft);
}

.workflow-step strong {
  display: block;
  margin-top: 18px;
  font-family: "Outfit", sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
}

.workflow-step p {
  margin: 10px 0 0;
  font-size: 0.95rem;
}

/* Interactive demo styles */
.interactive-demo {
  width: var(--container);
  margin: 36px auto 0;
}

.demo-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
}

.demo-device-area {
  display: flex;
  align-items: center;
  gap: 24px;
  justify-content: center;
}

.device-card {
  position: relative;
}

.device-draggable {
  cursor: grab;
  transition: transform 220ms ease, filter 220ms ease;
  user-select: none;
}

.device-draggable:hover {
  transform: scale(1.05);
  filter: drop-shadow(0 12px 24px rgba(79, 143, 255, 0.2));
}

.device-draggable:active {
  cursor: grabbing;
}

.device-icon {
  width: 140px;
  height: 140px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.device-icon svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 8px 16px rgba(79, 143, 255, 0.15));
}

.device-label {
  text-align: center;
  font-family: "Outfit", sans-serif;
  font-weight: 700;
  margin: 0;
  color: var(--text);
  font-size: 1.1rem;
}

.device-status {
  display: inline-block;
  margin-top: 6px;
  font-size: 0.85rem;
  color: #6b7280;
  font-weight: 500;
}

.feedback-area {
  flex: 1;
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.navo-response {
  animation: slideInResponse 0.6s ease-out;
}

.response-bubble {
  position: relative;
  padding: 20px 24px;
  background: linear-gradient(135deg, rgba(79, 143, 255, 0.1), rgba(151, 198, 255, 0.08));
  border: 1px solid rgba(79, 143, 255, 0.3);
  border-radius: 24px;
  box-shadow: 0 12px 32px rgba(79, 143, 255, 0.15);
  max-width: 280px;
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.navo-label {
  display: block;
  font-family: "Outfit", sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  color: #4f8fff;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.response-bubble p {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
}

.demo-led-status {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.led-indicator {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(121, 161, 210, 0.22);
  border-radius: 20px;
  transition: all 320ms ease;
}

.led-indicator.active {
  background: rgba(16, 185, 129, 0.08);
  border-color: rgba(16, 185, 129, 0.3);
}

.led-indicator.inactive {
  background: rgba(107, 114, 128, 0.08);
  border-color: rgba(107, 114, 128, 0.3);
}

.led-dot {
  display: inline-block;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.4);
  transition: all 320ms ease;
}

.led-indicator.inactive .led-dot {
  background: #ccc;
  box-shadow: none;
}

.led-label {
  font-family: "Outfit", sans-serif;
  font-weight: 600;
  color: var(--text);
}

.led-info {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0;
}

.use-cases {
  width: var(--container);
  margin: 80px auto 0;
}

.use-case-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  margin-top: 32px;
}

.use-case-item {
  padding: 28px 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(248, 251, 255, 0.78));
  border: 1px solid rgba(121, 161, 210, 0.22);
  border-radius: var(--radius-lg);
  text-align: center;
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.use-case-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.use-case-icon {
  font-size: 2.8rem;
  margin-bottom: 12px;
  display: block;
}

.use-case-item h4 {
  margin: 12px 0;
  font-family: "Outfit", sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
}

.use-case-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.telegram-panel {
  width: var(--container);
  margin: 0 auto;
  padding: clamp(36px, 7vw, 58px);
  border-radius: 38px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(248, 251, 255, 0.78));
  border: 1px solid rgba(121, 161, 210, 0.22);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.telegram-content {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.telegram-icon {
  width: 140px;
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.telegram-icon svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 8px 20px rgba(0, 136, 204, 0.2));
}

.telegram-copy {
  max-width: 600px;
}

.telegram-copy .section-kicker {
  display: inline-flex;
}

.telegram-copy h2 {
  margin-top: 16px;
  font-size: clamp(2.2rem, 5vw, 3.2rem);
}

.telegram-copy > p:first-of-type {
  margin: 20px 0 0;
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.8;
}

.telegram-features {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--text);
  font-weight: 500;
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: linear-gradient(135deg, #10b981, #059669);
  border-radius: 50%;
  color: white;
  font-size: 0.8rem;
  font-weight: 700;
}

.proof-grid {
  grid-template-columns: 1.35fr 0.825fr 0.825fr;
}

.proof-card {
  padding: 30px;
  min-height: 220px;
}

.proof-card-wide {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(248, 251, 255, 0.8)),
    radial-gradient(circle at right top, rgba(151, 198, 255, 0.24), transparent 26%);
}

.proof-card-wide p,
.proof-card p {
  margin-top: 14px;
}

.section-cta {
  padding-top: 66px;
  padding-bottom: 120px;
}

.cta-panel {
  padding: clamp(36px, 7vw, 58px);
  border-radius: 38px;
  text-align: center;
}

.cta-panel p {
  margin-left: auto;
  margin-right: auto;
}

.cta-panel .hero-actions {
  justify-content: center;
}

.site-footer {
  width: var(--container);
  margin: 0 auto;
  padding: 0 0 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: rgba(16, 32, 58, 0.58);
  font-size: 0.94rem;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms ease, transform 700ms ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes float-left {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(0.96);
  }
  50% {
    transform: translate3d(12px, 24px, 0) scale(1.03);
  }
}

@keyframes float-right {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(-18px, 18px, 0) scale(1.06);
  }
}

@keyframes float-center {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(8px, -14px, 0);
  }
}

@keyframes bubble-drift {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(0.98);
  }
  50% {
    transform: translate3d(8px, -12px, 0) scale(1.04);
  }
}

@keyframes slideInResponse {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes slideOutResponse {
  from {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  to {
    opacity: 0;
    transform: translateY(12px) scale(0.95);
  }
}

@media (max-width: 1120px) {
  .hero-scene {
    min-height: 700px;
  }

  .workflow-steps,
  .feature-grid,
  .proof-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .proof-card-wide {
    grid-column: 1 / -1;
  }

  .demo-container {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .telegram-content {
    grid-template-columns: 1fr;
    gap: 24px;
    text-align: center;
  }

  .telegram-icon {
    margin: 0 auto;
  }

  .telegram-features {
    grid-template-columns: 1fr;
  }

  .use-case-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-footer {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 760px) {
  .site-header {
    padding-top: 12px;
  }

  .header-inner {
    width: min(100vw - 20px, 1160px);
    padding: 12px 14px;
    border-radius: 24px;
  }

  .site-nav,
  .nav-cta {
    display: none;
  }

  .hero {
    padding-top: 34px;
  }

  .hero-scene {
    min-height: 640px;
  }

  .hero-copy h1 {
    font-size: clamp(3.2rem, 20vw, 5rem);
  }

  .hero-tagline {
    font-size: 1.28rem;
  }

  .hero-description {
    font-size: 0.98rem;
  }

  .hero-stats,
  .feature-grid,
  .workflow-steps,
  .proof-grid {
    grid-template-columns: 1fr;
  }

  .orb-shell-left {
    left: -4%;
    top: 14%;
  }

  .orb-shell-right {
    right: -5%;
    top: 8%;
  }

  .orb-shell-center {
    top: 18%;
    left: 36%;
  }

  .panel-orb {
    width: 74px;
    height: 74px;
    top: 18px;
    right: 20px;
  }

  .section,
  .section-cta {
    padding: 84px 0;
  }

  .feature-card,
  .proof-card,
  .workflow-step,
  .cta-panel {
    min-height: auto;
  }

  .demo-device-area {
    flex-direction: column;
    gap: 16px;
  }

  .device-icon {
    width: 110px;
    height: 110px;
  }

  .telegram-content {
    grid-template-columns: 1fr;
  }

  .demo-led-status {
    margin-top: 20px;
  }

  .use-case-grid {
    grid-template-columns: 1fr;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}