:root {
  --ink: #0b0d12;
  --ink-soft: #161922;
  --text: #1a1d26;
  --muted: #5c6270;
  --line: rgba(22, 25, 34, 0.08);
  --surface: #ffffff;
  --wash: #f3f2f7;
  --wash-deep: #e9e7f0;
  --accent: #0e7490;
  --accent-bright: #0891b2;
  --accent-glow: rgba(8, 145, 178, 0.42);
  --mint: #2dd4bf;
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 22px;
  --shadow: 0 4px 24px rgba(11, 13, 18, 0.06);
  --shadow-hover: 0 12px 40px rgba(11, 13, 18, 0.1);
  --font: 'Manrope', 'Noto Sans SC', system-ui, sans-serif;
  --font-display: 'Syne', 'Noto Sans SC', var(--font);
}

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

html {
  scroll-behavior: smooth;
}

body.page {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--wash);
  -webkit-font-smoothing: antialiased;
}

.bg-noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.035;
  z-index: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

a {
  color: var(--accent-bright);
  text-decoration: none;
  transition: color 0.15s ease;
}
a:hover {
  color: var(--accent);
  text-decoration: none;
}

.container {
  width: min(1100px, 100% - 40px);
  margin-inline: auto;
  position: relative;
  z-index: 1;
}

/* —— Header —— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(243, 242, 247, 0.78);
  backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid var(--line);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  flex-wrap: wrap;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
}
.logo:hover {
  opacity: 0.92;
}

.logo__mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(145deg, var(--surface), var(--wash-deep));
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.85);
  border: 1px solid var(--line);
}

.logo__img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 10px;
}

.logo__text {
  line-height: 1.15;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  cursor: pointer;
}
.nav-toggle__bar {
  display: block;
  width: 20px;
  height: 2px;
  margin-inline: auto;
  background: var(--ink);
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.site-header.is-open .nav-toggle__bar:first-child {
  transform: translateY(4px) rotate(45deg);
}
.site-header.is-open .nav-toggle__bar:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

.header__end {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}

.nav-main {
  display: flex;
  align-items: center;
  gap: 6px 22px;
  flex-wrap: wrap;
}
.nav-main a {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
}
.nav-main a:hover {
  color: var(--ink);
}
.nav-main a.nav-main__link--active {
  color: var(--ink);
  font-weight: 700;
}
.nav-main a.nav-main__link--active::after {
  content: '';
  display: block;
  margin-top: 4px;
  height: 2px;
  border-radius: 1px;
  background: var(--accent-bright);
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  color: var(--muted);
}
.lang-switch__label {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.lang-switch__btns {
  display: flex;
  gap: 4px;
  padding: 3px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.lang-switch__btns button {
  border: none;
  background: transparent;
  padding: 6px 12px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--muted);
  font-family: inherit;
}
.lang-switch__btns button[aria-pressed='true'] {
  background: var(--ink);
  color: #fff;
}
.lang-switch__btns button:hover:not([aria-pressed='true']) {
  color: var(--accent-bright);
}

@media (max-width: 860px) {
  .nav-toggle {
    display: flex;
  }
  .header__end {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 0 8px;
    border-top: 1px solid var(--line);
  }
  .site-header.is-open .header__end {
    display: flex;
  }
  .nav-main {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }
  .nav-main a {
    padding: 10px 12px;
    border-radius: var(--radius-sm);
  }
  .nav-main a:hover {
    background: var(--surface);
  }
  .lang-switch {
    justify-content: space-between;
    padding-top: 8px;
  }
}

/* —— Hero —— */
.hero {
  position: relative;
  background: var(--ink);
  color: #e8eaef;
  padding: clamp(48px, 8vw, 96px) 0 clamp(64px, 10vw, 112px);
  overflow: hidden;
}

.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  opacity: 0.55;
}
.hero__glow--a {
  width: min(480px, 90vw);
  height: min(480px, 90vw);
  top: -120px;
  right: -80px;
  background: var(--accent-glow);
}
.hero__glow--b {
  width: min(360px, 70vw);
  height: min(360px, 70vw);
  bottom: -100px;
  left: -60px;
  background: rgba(45, 212, 191, 0.25);
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black, transparent);
  pointer-events: none;
}

.hero__layout {
  display: grid;
  grid-template-columns: 1fr minmax(260px, 380px);
  gap: clamp(32px, 6vw, 64px);
  align-items: center;
}

@media (max-width: 900px) {
  .hero__layout {
    grid-template-columns: 1fr;
  }
  .hero__visual {
    max-width: 400px;
    margin-inline: auto;
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 20px;
  padding: 8px 14px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mint);
  background: rgba(45, 212, 191, 0.12);
  border: 1px solid rgba(45, 212, 191, 0.28);
  border-radius: 999px;
}

.hero__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5.5vw, 3.35rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.08;
  color: #fff;
}

.hero-lead {
  margin: 0 0 28px;
  max-width: 34rem;
  font-size: 1.05rem;
  color: rgba(232, 234, 239, 0.72);
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 36px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 24px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.92rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: #fff;
  color: var(--ink);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}
.btn-primary:hover {
  box-shadow: 0 12px 40px rgba(8, 145, 178, 0.32);
  text-decoration: none;
  color: var(--ink);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  color: #f1f5f9;
  border: 1px solid rgba(255, 255, 255, 0.14);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  text-decoration: none;
  color: #fff;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  max-width: 540px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.hero-stats li {
  padding: 14px 12px;
  text-align: center;
  font-size: 0.82rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.88);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
}

@media (max-width: 520px) {
  .hero-stats {
    grid-template-columns: 1fr;
  }
}

/* Mock browser */
.mock-browser {
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, #1c1f2a, #12141c);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow:
    0 24px 80px rgba(0, 0, 0, 0.45),
    0 0 0 1px rgba(8, 145, 178, 0.14);
  overflow: hidden;
  transform: perspective(800px) rotateY(-6deg) rotateX(4deg);
}
@media (max-width: 900px) {
  .mock-browser {
    transform: none;
  }
}

.mock-browser__chrome {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 14px;
  background: rgba(0, 0, 0, 0.35);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.mock-browser__chrome span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
}
.mock-browser__chrome span:first-child {
  background: #f87171;
}
.mock-browser__chrome span:nth-child(2) {
  background: #fbbf24;
}
.mock-browser__chrome span:nth-child(3) {
  background: #34d399;
}

.mock-browser__body {
  padding: 20px;
  display: grid;
  gap: 16px;
}

.mock-popup-chrome {
  display: grid;
  gap: 10px;
  padding-bottom: 4px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.mock-popup-tabs {
  display: flex;
  gap: 6px;
}

.mock-popup-tab {
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 0.62rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.mock-popup-tab--on {
  color: var(--mint);
  border-color: rgba(45, 212, 191, 0.35);
  background: rgba(45, 212, 191, 0.1);
}

.mock-popup-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 0.62rem;
}

.mock-popup-row__lbl {
  color: rgba(255, 255, 255, 0.5);
  font-weight: 600;
}

.mock-popup-row__fake {
  flex: 1;
  max-width: 58%;
  padding: 5px 8px;
  border-radius: 6px;
  color: rgba(255, 255, 255, 0.85);
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.1);
  text-align: left;
}

.mock-jd {
  padding: 16px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.mock-jd__line {
  height: 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.12);
  margin-bottom: 10px;
}
.mock-jd__line--title {
  width: 55%;
  height: 12px;
  background: rgba(8, 145, 178, 0.55);
  margin-bottom: 14px;
}
.mock-jd__line--short {
  width: 40%;
  margin-bottom: 0;
}

.mock-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px;
  border-radius: var(--radius);
  background: linear-gradient(
    135deg,
    rgba(8, 145, 178, 0.22),
    rgba(45, 212, 191, 0.1)
  );
  border: 1px solid rgba(8, 145, 178, 0.28);
}
.mock-card__tag {
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--mint);
  padding: 4px 8px;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.35);
}
.mock-card__lines {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.mock-card__lines span {
  height: 6px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.14);
}
.mock-card__lines span:nth-child(2) {
  width: 85%;
}
.mock-card__lines span:nth-child(3) {
  width: 65%;
}

/* —— Sections —— */
.section {
  position: relative;
  z-index: 1;
  padding: clamp(64px, 10vw, 100px) 0;
}
.section--alt {
  background: linear-gradient(180deg, var(--wash-deep) 0%, var(--wash) 100%);
  border-block: 1px solid var(--line);
}
.section-lead--narrow {
  max-width: 38rem;
}

.section-head {
  margin-bottom: 40px;
  max-width: 36rem;
}
.section-head--center {
  margin-inline: auto;
  text-align: center;
  max-width: 40rem;
}
.section-head--center .section-lead {
  margin-inline: auto;
}
.section-eyebrow {
  margin: 0 0 8px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-bright);
}
.section-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 3.5vw, 2.1rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--ink);
}
.section-lead {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.65;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
@media (max-width: 700px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
}

.feature-card {
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.feature-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.feature-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  border-radius: 14px;
  color: var(--accent-bright);
  background: linear-gradient(
    145deg,
    rgba(8, 145, 178, 0.14),
    rgba(45, 212, 191, 0.09)
  );
  border: 1px solid rgba(8, 145, 178, 0.18);
}
.feature-card__icon svg {
  width: 24px;
  height: 24px;
}
.feature-card h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--ink);
}
.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.6;
}

.steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
  counter-reset: steps;
}
@media (min-width: 768px) {
  .steps {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }
}

.step {
  position: relative;
  padding: 24px 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
@media (min-width: 768px) {
  .step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -12px;
    width: 12px;
    height: 2px;
    background: linear-gradient(90deg, var(--line), transparent);
    transform: translateY(-50%);
  }
}

.step__num {
  display: block;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--accent-bright);
  margin-bottom: 12px;
}
.step__body h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
}
.step__body p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

.privacy-card {
  max-width: min(920px, 100%);
  margin-inline: auto;
  padding: 28px 32px;
}

.privacy-list {
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
}

.privacy-list--cols {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px 36px;
}

.privacy-list li {
  position: relative;
  margin: 0;
  padding-left: 1.15rem;
  font-size: 0.94rem;
  line-height: 1.6;
}

.privacy-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-bright);
  box-shadow: 0 0 0 2px rgba(8, 145, 178, 0.15);
}

@media (max-width: 640px) {
  .privacy-list--cols {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: var(--shadow);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
@media (min-width: 768px) {
  .metrics-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }
}

.metric-card {
  padding: 22px 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  text-align: center;
}
.metric-card__value {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--accent-bright);
  line-height: 1.15;
}
.metric-card__label {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--muted);
}

.metrics-disclaimer {
  margin: 28px 0 0;
  font-size: 0.75rem;
  line-height: 1.55;
  color: var(--muted);
  max-width: 42rem;
}

.pricing-wrap {
  display: flex;
  justify-content: center;
}

.pricing-card {
  width: min(440px, 100%);
  margin: 0;
  padding: 32px 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  text-align: center;
}

.pricing-badge {
  display: inline-block;
  margin: 0 0 16px;
  padding: 6px 14px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-bright);
  background: rgba(8, 145, 178, 0.1);
  border: 1px solid rgba(8, 145, 178, 0.22);
  border-radius: 999px;
}

.pricing-price {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--ink);
  line-height: 1.1;
}

.pricing-desc {
  margin: 0 0 22px;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--muted);
}

.pricing-list {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  text-align: left;
}

.pricing-list li {
  position: relative;
  padding: 10px 0 10px 28px;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text);
  border-bottom: 1px solid var(--line);
}

.pricing-list li:last-child {
  border-bottom: none;
}

.pricing-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.2);
}

.pricing-note {
  margin: 0;
  font-size: 0.75rem;
  line-height: 1.55;
  color: var(--muted);
  text-align: left;
}

.section--contact {
  padding-bottom: clamp(72px, 12vw, 120px);
}

.contact-card {
  max-width: 520px;
  margin-inline: auto;
  padding: 32px 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  text-align: center;
}

.contact-lead {
  margin: 0 0 18px;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--muted);
}

.contact-email {
  margin: 0 0 14px;
}

.contact-mailto {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2.5vw, 1.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  word-break: break-all;
}

.contact-hint {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.55;
  color: var(--muted);
}

/* —— Footer —— */
.site-footer {
  position: relative;
  z-index: 1;
  padding: 36px 0 48px;
  border-top: 1px solid var(--line);
  background: var(--ink);
  color: rgba(255, 255, 255, 0.55);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 20px;
}

.footer__brand {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px 14px;
  max-width: min(640px, 100%);
}

.footer__logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 10px;
  flex-shrink: 0;
}

.footer__tagline {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(0.95rem, 2.2vw, 1.1rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.35;
  color: rgba(255, 255, 255, 0.88);
  text-align: center;
}

.footer__copyright {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.4);
}

@media (max-width: 480px) {
  .footer__brand {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .btn,
  .feature-card {
    transition: none;
  }
  .feature-card:hover {
    transform: none;
  }
}
