:root {
  --bg: #070b10;
  --bg-soft: #0a1017;
  --surface: #101924;
  --surface-2: #15202c;
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #e9f0f7;
  --muted: #9aa8ba;
  --muted-strong: #b9c5d4;
  --accent: #5eead4;
  --accent-2: #818cf8;
  --accent-soft: rgba(94, 234, 212, 0.12);
  --danger: #fb7185;
  --success: #34d399;
  --radius: 18px;
  --radius-lg: 26px;
  --max: 1180px;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  background:
    radial-gradient(1100px 620px at 82% -12%, rgba(129, 140, 248, 0.18), transparent 62%),
    radial-gradient(900px 520px at 8% -4%, rgba(94, 234, 212, 0.12), transparent 58%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 75%);
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

h1,
h2,
h3 {
  margin: 0;
  font-weight: 650;
  letter-spacing: -0.025em;
  line-height: 1.1;
}

p {
  margin: 0;
}

img,
svg {
  max-width: 100%;
}

::selection {
  background: rgba(94, 234, 212, 0.28);
  color: #fff;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

.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;
}

.skip-link {
  position: absolute;
  top: -60px;
  left: 16px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--accent);
  color: #06201c;
  font-weight: 700;
}

.skip-link:focus {
  top: 12px;
}

.wrap {
  width: min(100% - 40px, var(--max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid transparent;
  background: rgba(7, 11, 16, 0.72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.site-header::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 24px;
  min-height: 76px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: 28px;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
}

.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 8px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.lang-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
}

.lang-btn.is-active {
  background: rgba(94, 234, 212, 0.14);
  color: var(--accent);
}

.lang-flag {
  width: 18px;
  height: 12px;
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.12);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--text);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  display: inline-flex;
  width: 34px;
  height: 34px;
  filter: drop-shadow(0 6px 14px rgba(94, 234, 212, 0.18));
}

.brand-mark svg {
  width: 100%;
  height: 100%;
}

.brand-name {
  font-size: 1.13rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
  font-size: 0.94rem;
  font-weight: 500;
}

.site-nav a {
  color: var(--muted-strong);
}

.site-nav a:hover {
  color: var(--text);
  text-decoration: none;
}

.site-nav .btn {
  color: #05201c;
}

.nav-toggle {
  display: none;
  position: relative;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}

.nav-toggle span[aria-hidden] {
  position: absolute;
  left: 11px;
  right: 11px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.2s ease, top 0.2s ease, opacity 0.2s ease;
}

.nav-toggle span:nth-child(2) {
  top: 16px;
}

.nav-toggle span:nth-child(3) {
  top: 24px;
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  top: 20px;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  top: 20px;
  transform: rotate(-45deg);
}

.hero {
  display: grid;
  grid-template-columns: 1.04fr 0.96fr;
  align-items: center;
  gap: clamp(40px, 6vw, 84px);
  padding-block: clamp(64px, 9vw, 118px) clamp(72px, 10vw, 130px);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 24px;
  padding: 7px 13px;
  border: 1px solid rgba(94, 234, 212, 0.26);
  border-radius: 999px;
  background: rgba(94, 234, 212, 0.07);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pulse {
  position: relative;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.pulse::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid var(--accent);
  opacity: 0;
  animation: pulse 2.4s ease-out infinite;
}

.hero h1 {
  font-size: clamp(2.9rem, 6.2vw, 5rem);
  letter-spacing: -0.045em;
  line-height: 0.98;
}

.gradient-text {
  background: linear-gradient(100deg, var(--accent) 8%, var(--accent-2) 92%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  max-width: 56ch;
  margin-top: 26px;
  color: var(--muted-strong);
  font-size: clamp(1.03rem, 1.5vw, 1.18rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-points li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.hero-points svg {
  width: 17px;
  height: 17px;
  color: var(--accent);
}

.hero-visual {
  position: relative;
}

.glow {
  position: absolute;
  inset: 8% -6% -12% 4%;
  z-index: -1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 30%, rgba(94, 234, 212, 0.3), transparent 55%),
    radial-gradient(circle at 70% 70%, rgba(129, 140, 248, 0.32), transparent 55%);
  filter: blur(52px);
  opacity: 0.7;
}

.call-card {
  position: relative;
  padding: 18px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.012)),
    var(--surface);
  box-shadow: var(--shadow);
  transform: rotate(1.2deg);
}

.call-head {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 2px 4px 15px;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.82rem;
}

.call-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--danger);
  box-shadow: 0 0 0 4px rgba(251, 113, 133, 0.12);
}

.call-title {
  font-weight: 600;
  color: var(--muted-strong);
}

.lang-chips {
  display: flex;
  gap: 5px;
  margin-left: auto;
}

.lang-chips span {
  padding: 3px 8px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--surface-2);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.bubble {
  max-width: 84%;
  margin-top: 16px;
  padding: 12px 15px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface-2);
}

.bubble p {
  font-size: 0.98rem;
}

.bubble-lang {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.bubble-peer {
  border-bottom-left-radius: 5px;
}

.bubble-own {
  margin-left: auto;
  border-color: rgba(94, 234, 212, 0.3);
  border-bottom-right-radius: 5px;
  background: linear-gradient(145deg, rgba(94, 234, 212, 0.16), rgba(129, 140, 248, 0.12));
}

.bubble-caption {
  display: inline-block;
  margin-top: 8px;
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.call-foot {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 22px;
  padding: 12px 13px;
  border: 1px solid var(--border);
  border-radius: 15px;
  background: rgba(0, 0, 0, 0.18);
}

.wave {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  height: 22px;
}

.wave i {
  width: 3px;
  height: 8px;
  border-radius: 3px;
  background: var(--accent);
  animation: wave 1.2s ease-in-out infinite;
}

.wave i:nth-child(2) { animation-delay: 0.1s; height: 14px; }
.wave i:nth-child(3) { animation-delay: 0.2s; height: 20px; }
.wave i:nth-child(4) { animation-delay: 0.3s; height: 11px; }
.wave i:nth-child(5) { animation-delay: 0.4s; height: 17px; }
.wave i:nth-child(6) { animation-delay: 0.5s; height: 9px; }
.wave i:nth-child(7) { animation-delay: 0.6s; height: 15px; }

.ptt {
  font-size: 0.85rem;
  font-weight: 650;
  color: var(--text);
}

.live {
  margin-left: auto;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(52, 211, 153, 0.14);
  color: var(--success);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.visual-note {
  max-width: 38ch;
  margin: 22px auto 0;
  color: var(--muted);
  font-size: 0.84rem;
  text-align: center;
}

.section {
  padding-block: clamp(58px, 8vw, 104px);
}

.section-soft {
  border-block: 1px solid var(--border);
  background:
    radial-gradient(700px 320px at 50% 0%, rgba(129, 140, 248, 0.08), transparent 70%),
    var(--bg-soft);
}

.section-head {
  max-width: 720px;
  margin: 0 auto clamp(36px, 5vw, 58px);
  text-align: center;
}

.eyebrow {
  margin-bottom: 14px;
  color: var(--accent);
  font-size: 0.77rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.section-head h2 {
  font-size: clamp(1.9rem, 3.6vw, 2.8rem);
}

.section-lead {
  margin-top: 16px;
  color: var(--muted-strong);
  font-size: 1.04rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.card {
  position: relative;
  padding: 26px 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), transparent 60%),
    var(--surface);
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  border-color: rgba(94, 234, 212, 0.34);
  transform: translateY(-3px);
  box-shadow: 0 20px 46px rgba(0, 0, 0, 0.28);
}

.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  margin-bottom: 18px;
  border: 1px solid rgba(94, 234, 212, 0.22);
  border-radius: 13px;
  background: linear-gradient(145deg, rgba(94, 234, 212, 0.16), rgba(129, 140, 248, 0.12));
  color: var(--accent);
}

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

.icon-small {
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  margin: 0;
}

.icon-small svg {
  width: 21px;
  height: 21px;
}

.card h3 {
  margin-bottom: 10px;
  font-size: 1.08rem;
  line-height: 1.25;
}

.card p {
  color: var(--muted);
  font-size: 0.93rem;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.step {
  position: relative;
  padding: 30px 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-bottom: 18px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--accent), var(--accent-2));
  color: #06201c;
  font-weight: 800;
  font-size: 1rem;
}

.step h3 {
  margin-bottom: 9px;
  font-size: 1.1rem;
}

.step p {
  color: var(--muted);
  font-size: 0.94rem;
}

.benefits {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.benefit {
  display: flex;
  gap: 16px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.benefit h3 {
  margin-bottom: 7px;
  font-size: 1.04rem;
}

.benefit p {
  color: var(--muted);
  font-size: 0.93rem;
}

.section-signup {
  position: relative;
  overflow: hidden;
}

.section-signup::before {
  content: "";
  position: absolute;
  inset: 12% 0 auto;
  height: 420px;
  background: radial-gradient(680px 300px at 50% 50%, rgba(94, 234, 212, 0.12), transparent 70%);
  pointer-events: none;
}

.signup-panel {
  position: relative;
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(32px, 5vw, 70px);
  padding: clamp(28px, 5vw, 56px);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.05), transparent 55%),
    var(--surface);
  box-shadow: var(--shadow);
}

.signup-copy h2 {
  font-size: clamp(1.9rem, 3.6vw, 2.7rem);
}

.signup-copy > p {
  margin-top: 18px;
  color: var(--muted-strong);
}

.signup-points {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 0.93rem;
}

.signup-points li {
  position: relative;
  padding-left: 26px;
}

.signup-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.signup-direct {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}

.signup-form {
  display: grid;
  gap: 14px;
  align-content: start;
}

.signup-form.is-sent > :not(.form-success) {
  display: none;
}

.field {
  display: grid;
  gap: 6px;
}

.field label {
  color: var(--muted-strong);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.field label span[aria-hidden] {
  color: var(--accent);
}

.optional {
  color: var(--muted);
  font-weight: 400;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--border-strong);
  border-radius: 11px;
  background: rgba(4, 8, 12, 0.55);
  color: var(--text);
  font: inherit;
  font-size: 0.94rem;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.field textarea {
  resize: vertical;
  min-height: 84px;
}

.field input::placeholder,
.field textarea::placeholder {
  color: #6f7d8f;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(94, 234, 212, 0.14);
}

.field select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--muted) 50%),
    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position:
    calc(100% - 19px) 50%,
    calc(100% - 14px) 50%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}

.field input[aria-invalid="true"],
.field select[aria-invalid="true"],
.field textarea[aria-invalid="true"] {
  border-color: var(--danger);
}

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

.consent {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.5;
  cursor: pointer;
}

.consent input {
  flex: 0 0 auto;
  width: 17px;
  height: 17px;
  margin-top: 2px;
  accent-color: var(--accent);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font: inherit;
  font-size: 0.93rem;
  font-weight: 650;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease, border-color 0.16s ease;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn:disabled {
  cursor: wait;
  opacity: 0.65;
  transform: none;
}

.btn-primary {
  background: linear-gradient(100deg, var(--accent), #7dd3fc 55%, var(--accent-2));
  color: #05201c;
  box-shadow: 0 12px 30px rgba(94, 234, 212, 0.18);
}

.btn-primary:hover {
  box-shadow: 0 16px 38px rgba(94, 234, 212, 0.26);
}

.btn-ghost {
  border-color: var(--border-strong);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: rgba(94, 234, 212, 0.4);
}

.btn-small {
  padding: 9px 17px;
  font-size: 0.87rem;
}

.btn-full {
  width: 100%;
  margin-top: 2px;
}

.form-status {
  min-height: 1.2em;
  color: var(--danger);
  font-size: 0.86rem;
}

.form-status.ok {
  color: var(--success);
}

.form-note {
  color: var(--muted);
  font-size: 0.76rem;
}

.form-success {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 20px;
  border: 1px solid rgba(52, 211, 153, 0.34);
  border-radius: var(--radius);
  background: rgba(52, 211, 153, 0.08);
}

.form-success[hidden] {
  display: none;
}

.success-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--success);
  color: #04251a;
}

.success-icon svg {
  width: 22px;
  height: 22px;
}

.form-success h3 {
  margin-bottom: 5px;
  font-size: 1.05rem;
}

.form-success p {
  color: var(--muted-strong);
  font-size: 0.9rem;
}

.faq {
  max-width: 780px;
  margin-inline: auto;
  border-top: 1px solid var(--border);
}

.faq details {
  border-bottom: 1px solid var(--border);
}

.faq summary {
  position: relative;
  padding: 20px 44px 20px 0;
  color: var(--text);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-size: 1.45rem;
  font-weight: 300;
  line-height: 1;
  transition: transform 0.2s ease;
}

.faq details[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
}

.faq details p {
  padding: 0 0 22px;
  color: var(--muted);
  font-size: 0.94rem;
}

.site-footer {
  margin-top: 40px;
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 34px;
  padding-block: 48px 34px;
}

.footer-brand p {
  max-width: 34ch;
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.88rem;
}

.footer-links {
  display: grid;
  align-content: start;
  gap: 9px;
  font-size: 0.9rem;
}

.footer-links a {
  color: var(--muted-strong);
  width: fit-content;
}

.footer-contact {
  display: grid;
  align-content: start;
  gap: 6px;
  font-size: 0.9rem;
}

.footer-label {
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.footer-note {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.8rem;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  padding-block: 18px 28px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.8rem;
}

.maintenance {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding-block: 48px;
}

.maintenance-card {
  width: min(100%, 560px);
  padding: clamp(28px, 5vw, 48px);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.015)),
    var(--surface);
  box-shadow: var(--shadow);
  text-align: center;
}

.maintenance-card .brand {
  justify-content: center;
  margin-bottom: 26px;
}

.maintenance-card h1 {
  margin-top: 10px;
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.04em;
}

.maintenance-lead {
  margin-top: 18px;
  color: var(--muted-strong);
}

.maintenance-contact {
  margin-top: 24px;
  font-size: 1.05rem;
  font-weight: 600;
}

.maintenance-note {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
}

.legal {
  max-width: 820px;
  margin-inline: auto;
  padding-block: 56px 80px;
}

.legal h1 {
  margin-bottom: 12px;
  font-size: clamp(2rem, 4vw, 3rem);
  overflow-wrap: break-word;
  hyphens: auto;
}

.legal .legal-intro {
  margin-bottom: 34px;
  color: var(--muted-strong);
}

.legal h2 {
  margin: 34px 0 10px;
  font-size: 1.22rem;
}

.legal h3 {
  margin: 22px 0 8px;
  font-size: 1rem;
}

.legal p,
.legal li {
  color: var(--muted);
  font-size: 0.94rem;
}

.legal ul {
  padding-left: 22px;
}

.legal li {
  margin-bottom: 6px;
}

.legal a {
  overflow-wrap: anywhere;
}

.notice {
  margin: 26px 0;
  padding: 16px 18px;
  border: 1px solid rgba(251, 191, 36, 0.32);
  border-radius: 12px;
  background: rgba(251, 191, 36, 0.07);
  color: #fcd34d;
  font-size: 0.88rem;
}

.notice-binding {
  margin-top: -10px;
  border-color: rgba(94, 234, 212, 0.3);
  background: rgba(94, 234, 212, 0.06);
  color: var(--muted-strong);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 26px;
  color: var(--muted-strong);
  font-size: 0.9rem;
}

@keyframes pulse {
  0% {
    transform: scale(0.7);
    opacity: 0.8;
  }
  80%,
  100% {
    transform: scale(2.1);
    opacity: 0;
  }
}

@keyframes wave {
  0%,
  100% {
    transform: scaleY(0.55);
  }
  50% {
    transform: scaleY(1);
  }
}

.product-stack {
  display: grid;
  gap: 16px;
}

.product-card {
  position: relative;
  padding: 24px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.012)),
    var(--surface);
  box-shadow: var(--shadow);
}

.product-card.is-current {
  border-color: rgba(94, 234, 212, 0.3);
  transform: rotate(-1deg);
}

.product-card.is-next {
  padding: 20px 24px;
  border-color: var(--border);
  background: var(--surface-2);
  box-shadow: none;
  transform: rotate(1.2deg);
}

.product-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.product-label {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.status-chip {
  flex: 0 0 auto;
  padding: 4px 10px;
  border: 1px solid rgba(94, 234, 212, 0.28);
  border-radius: 999px;
  background: rgba(94, 234, 212, 0.1);
  color: var(--accent);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.status-chip.muted {
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
}

.product-card h3 {
  margin-bottom: 8px;
  font-size: 1.4rem;
}

.product-card.is-next h3 {
  font-size: 1.1rem;
}

.product-card > p {
  color: var(--muted);
  font-size: 0.92rem;
}

.mini-chat {
  display: grid;
  gap: 8px;
  margin-top: 18px;
}

.mini-bubble {
  max-width: 88%;
  padding: 9px 13px;
  border: 1px solid var(--border);
  border-radius: 13px;
  background: var(--surface-2);
  font-size: 0.86rem;
}

.mini-bubble.mini-own {
  margin-left: auto;
  border-color: rgba(94, 234, 212, 0.3);
  border-bottom-right-radius: 4px;
  background: linear-gradient(145deg, rgba(94, 234, 212, 0.16), rgba(129, 140, 248, 0.12));
}

.mini-bubble.mini-peer {
  border-bottom-left-radius: 4px;
}

.product-footer {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.product-footer .lang-chips {
  margin-left: 0;
}

.mini-live {
  margin-left: auto;
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(52, 211, 153, 0.14);
  color: var(--success);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.product-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 16px;
  align-items: start;
}

.product-feature {
  padding: clamp(26px, 4vw, 38px);
  border: 1px solid rgba(94, 234, 212, 0.26);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(150deg, rgba(94, 234, 212, 0.1), rgba(129, 140, 248, 0.08) 48%, transparent 72%),
    var(--surface);
  box-shadow: var(--shadow);
}

.product-feature h3 {
  margin-bottom: 12px;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  letter-spacing: -0.03em;
}

.product-feature > p {
  max-width: 52ch;
  color: var(--muted-strong);
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.product-tag {
  padding: 5px 11px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--muted-strong);
  font-size: 0.78rem;
  font-weight: 600;
}

.product-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.product-side {
  display: grid;
  gap: 16px;
}

.product-mini {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.product-mini h3 {
  margin: 16px 0 8px;
  font-size: 1.06rem;
}

.product-mini p {
  color: var(--muted);
  font-size: 0.92rem;
}

.mini-link {
  margin-top: 12px;
  font-size: 0.9rem;
  font-weight: 600;
}

.honest-note {
  max-width: 780px;
  margin: 22px auto 0;
  padding: 16px 20px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  font-size: 0.88rem;
  text-align: center;
}

.setup-note {
  max-width: 860px;
  margin: 26px auto 0;
  padding: 20px 24px;
  border: 1px solid rgba(94, 234, 212, 0.28);
  border-radius: 16px;
  background: rgba(94, 234, 212, 0.06);
  color: var(--muted-strong);
  font-size: 0.92rem;
  line-height: 1.65;
}

.setup-note strong {
  color: var(--accent);
}

@media (max-width: 1020px) {
  .cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: left;
  }

  .hero-visual {
    max-width: 560px;
    width: 100%;
    margin-inline: auto;
  }

  .signup-panel {
    grid-template-columns: 1fr;
  }

  .product-grid {
    grid-template-columns: 1fr;
  }

  .product-side {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 780px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 76px;
    right: 20px;
    left: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    margin-left: 0;
    padding: 14px;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    background: rgba(10, 16, 23, 0.98);
    box-shadow: var(--shadow);
  }

  .header-actions {
    margin-left: auto;
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a {
    padding: 10px 12px;
    border-radius: 9px;
  }

  .site-nav a:hover {
    background: rgba(255, 255, 255, 0.05);
  }

  .site-nav .btn {
    margin-top: 4px;
    text-align: center;
  }

  .steps {
    grid-template-columns: 1fr;
  }

  .benefits {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .wrap {
    width: min(100% - 28px, var(--max));
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: clamp(2.5rem, 12vw, 3.4rem);
  }

  .call-card {
    transform: none;
  }

  .product-card.is-current,
  .product-card.is-next {
    transform: none;
  }

  .product-head {
    flex-wrap: wrap;
  }

  .product-side {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .footer-bottom {
    flex-direction: column;
  }

  .consent {
    font-size: 0.8rem;
  }

  .legal h1 {
    font-size: 1.75rem;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}