:root {
  --sayit-bg-top: #eef8ff;
  --sayit-bg-bot: #f7f4eb;
  --sayit-ink: #171d2a;
  --sayit-muted: #506072;
  --sayit-card: rgba(255, 255, 255, 0.76);
  --sayit-line: rgba(23, 29, 42, 0.1);
  --sayit-shadow: 0 18px 60px rgba(31, 55, 84, 0.08);
  --sayit-radius: 22px;
  --sayit-brand: #20a8ff;
  --sayit-brand-2: #1386da;
  --sayit-warm: #f39a3d;
  --sayit-font:
    ui-sans-serif,
    system-ui,
    -apple-system,
    "SF Pro Display",
    "SF Pro Text",
    "Segoe UI",
    Roboto,
    Helvetica,
    Arial,
    sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

html {
  scroll-behavior: smooth;
}

body.sayit-install {
  margin: 0;
  font-family: var(--sayit-font);
  color: var(--sayit-ink);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  background-color: #fbfffe;
  background-image:
    radial-gradient(1400px 900px at 20% 0%, rgba(32, 168, 255, 0.14), transparent 65%),
    radial-gradient(1400px 900px at 80% 20%, rgba(243, 154, 61, 0.14), transparent 65%),
    linear-gradient(180deg, #fbfffe 0%, #f6fbff 34%, #f9f5ec 100%);
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-size: cover;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
}

.sayit-wrap {
  width: min(1120px, 92vw);
  margin: 0 auto;
  padding-left: max(16px, env(safe-area-inset-left));
  padding-right: max(16px, env(safe-area-inset-right));
}

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

.skip:focus {
  left: 16px;
  top: 16px;
  width: auto;
  height: auto;
  padding: 10px 12px;
  background: #fff;
  border: 1px solid rgba(15, 23, 42, 0.15);
  border-radius: 12px;
  z-index: 999;
}

.sayit-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(246, 251, 255, 0.34);
  border-bottom: 1px solid rgba(15, 23, 42, 0.04);
}

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

.brand-lockup {
  display: flex;
  gap: 12px;
  align-items: center;
  text-decoration: none;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 12px;
}

.brand-name {
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.brand-tag {
  font-size: 13px;
  color: var(--sayit-muted);
  margin-top: 2px;
}

.sayit-nav {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.nav-link {
  color: var(--sayit-muted);
  text-decoration: none;
  font-size: 14px;
  padding: 8px 10px;
  border-radius: 10px;
}

.nav-link:hover {
  color: var(--sayit-ink);
  background: rgba(255, 255, 255, 0.4);
}

body.sayit-install .hero {
  display: block;
  grid-template-columns: none;
  gap: 0;
  align-items: initial;
  margin-bottom: 0;
  padding: 54px 0 24px;
}

body.sayit-install .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: start;
  justify-items: center;
  max-width: 760px;
  margin: 0 auto;
  background: transparent;
  border: 0;
  box-shadow: none;
}

body.sayit-install .hero-copy {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  background: transparent;
  border: 0;
  box-shadow: none;
  border-radius: 0;
}

body.sayit-install .pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  color: #0e5e98;
  background: rgba(32, 168, 255, 0.12);
  border: 1px solid rgba(32, 168, 255, 0.26);
  margin: 0 auto 18px;
}

body.sayit-install .hero-logo {
  width: min(250px, 62vw);
  margin: 0 auto 18px;
}

body.sayit-install .hero-title {
  margin: 0 0 16px;
  font-size: clamp(38px, 8.4vw, 60px);
  letter-spacing: -0.05em;
  line-height: 0.98;
  max-width: 11ch;
  margin-left: auto;
  margin-right: auto;
}

body.sayit-install .hero-sub {
  margin: 0 auto;
  font-size: 19px;
  color: var(--sayit-muted);
  line-height: 1.65;
  max-width: 34rem;
}

body.sayit-install .hero-card,
.trust-item,
.tile,
.step,
.install-card,
.review,
.final-cta-inner {
  background: var(--sayit-card);
  border: 1px solid var(--sayit-line);
  border-radius: 18px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

body.sayit-install .hero-card {
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: 24px 26px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(23, 29, 42, 0.08);
  box-shadow: 0 18px 50px rgba(31, 55, 84, 0.08);
}

.card-title {
  margin: 0 0 14px;
  font-size: 22px;
  letter-spacing: -0.02em;
}

.clean-list {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--sayit-muted);
  line-height: 1.7;
  list-style-position: outside;
  text-align: left;
}

.clean-list li {
  margin: 10px 0;
}

.note {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  color: var(--sayit-muted);
  font-size: 14px;
  line-height: 1.6;
}

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  margin-top: 18px;
}

.btn {
  -webkit-tap-highlight-color: transparent;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 50px;
  padding: 0 18px;
  border-radius: 16px;
  text-decoration: none;
  font-weight: 800;
  font-size: 16px;
  border: 1px solid rgba(15, 23, 42, 0.14);
  background: rgba(255, 255, 255, 0.62);
  color: var(--sayit-ink);
  box-shadow:
    0 10px 26px rgba(0, 0, 0, 0.05),
    0 1px 0 rgba(255, 255, 255, 0.7) inset;
  transition:
    transform 0.1s ease,
    box-shadow 0.12s ease,
    filter 0.12s ease,
    background 0.12s ease;
  user-select: none;
}

.btn-primary {
  color: #fefefe;
  background: linear-gradient(180deg, var(--sayit-brand) 0%, var(--sayit-brand-2) 100%);
  border-color: rgba(0, 0, 0, 0.06);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.55);
  box-shadow: none;
}

.btn:hover {
  filter: brightness(1.02);
}

.btn:active {
  transform: translateY(1px) scale(0.99);
}

.trust-row,
.grid3,
.install-grid,
.reviews-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  align-items: start;
}

.how-story {
  display: grid;
  gap: 18px;
  justify-items: center;
}

.how-card {
  width: 100%;
  max-width: 820px;
  padding: 26px 28px;
  background: var(--sayit-card);
  border: 1px solid var(--sayit-line);
  border-radius: 18px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.how-card p {
  margin: 0;
  color: var(--sayit-muted);
  font-size: 18px;
  line-height: 1.7;
}

.how-card p + p {
  margin-top: 16px;
}

.trust-row {
  margin-top: 24px;
  width: 100%;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
  justify-content: center;
}

.trust-item {
  background: rgba(255, 255, 255, 0.56);
  border: 1px solid rgba(23, 29, 42, 0.08);
  box-shadow: 0 12px 28px rgba(31, 55, 84, 0.04);
  padding: 18px;
}

.trust-item,
.tile,
.step,
.install-card,
.review {
  padding: 18px;
}

.trust-title {
  margin: 0 0 6px;
  font-size: 16px;
  letter-spacing: -0.01em;
}

.trust-text,
.tile p,
.step p,
.install-card p {
  margin: 0;
  color: var(--sayit-muted);
  line-height: 1.65;
}

.section {
  padding: 44px 0;
}

.section + .section {
  padding-top: 28px;
}

.section-title,
.section-sub {
  text-align: center;
}

.section-sub {
  margin-left: auto;
  margin-right: auto;
  max-width: 62ch;
  color: var(--sayit-muted);
  line-height: 1.7;
}

.tile h3,
.step h3,
.install-card h3 {
  margin: 0 0 8px;
  font-size: 17px;
  letter-spacing: -0.01em;
}

.step-num {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(32, 168, 255, 0.14);
  border: 1px solid rgba(32, 168, 255, 0.26);
  color: #0e5e98;
  font-weight: 900;
  margin-bottom: 10px;
}

.install-card ol {
  margin: 12px 0 0 18px;
  padding: 0;
  color: var(--sayit-muted);
  line-height: 1.7;
}

.small-note {
  margin-top: 10px;
  color: var(--sayit-muted);
  font-size: 13px;
  line-height: 1.6;
}

.review p {
  margin: 0;
  color: var(--sayit-ink);
  line-height: 1.65;
  font-size: 15px;
}

.review span {
  display: block;
  margin-top: 10px;
  color: var(--sayit-muted);
  font-size: 13px;
}

.final-cta {
  padding: 40px 0;
}

.final-cta-inner {
  padding: 22px;
  text-align: center;
}

.final-cta-inner h2 {
  margin: 0 0 8px;
  letter-spacing: -0.02em;
}

.final-cta-inner p {
  margin: 0 0 14px;
  color: var(--sayit-muted);
  line-height: 1.65;
}

.privacy-line {
  margin-top: 12px;
  color: var(--sayit-muted);
  font-size: 13px;
}

.sayit-footer {
  padding: 32px 0 44px;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  background: rgba(255, 255, 255, 0.18);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 10px;
  color: var(--sayit-muted);
  font-size: 13px;
  text-align: center;
}

@media (min-width: 920px) {
  body.sayit-install .hero-grid {
    max-width: 1100px;
    grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
    align-items: center;
    justify-items: stretch;
    gap: 36px;
  }

  body.sayit-install .hero-copy {
    max-width: 100%;
    text-align: left;
  }

  body.sayit-install .hero-logo {
    width: min(210px, 24vw);
    margin: 0 0 22px;
  }

  body.sayit-install .hero-title {
    font-size: clamp(58px, 6vw, 82px);
    max-width: 12ch;
    margin-left: 0;
    margin-right: 0;
  }

  body.sayit-install .hero-sub {
    max-width: 34rem;
    margin-left: 0;
    margin-right: 0;
  }

  body.sayit-install .pill {
    margin-left: 0;
    margin-right: 0;
  }

  body.sayit-install .hero-card {
    max-width: 100%;
    align-self: center;
  }

  .cta-row {
    justify-content: flex-start;
  }

  .trust-row {
    grid-template-columns: repeat(3, 1fr);
    max-width: none;
  }

  .clean-list,
  .note {
    max-width: none;
    margin-left: 0;
    margin-right: 0;
  }

  .grid3 {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }

  .section-title {
    font-size: 32px;
  }
}

@media (max-width: 560px) {
  .hero {
    padding: 38px 0 18px;
  }

  .hero-title {
    font-size: clamp(30px, 8.8vw, 44px);
    max-width: 10ch;
  }

  .hero-logo {
    width: min(184px, 46vw);
    margin-bottom: 12px;
  }

  .hero-sub {
    font-size: 17px;
    line-height: 1.55;
  }

  .pill {
    margin-bottom: 14px;
  }

  .cta-row {
    flex-direction: column;
    align-items: center;
  }

  .cta-row .btn {
    width: 100%;
    max-width: 420px;
  }

  .sayit-nav {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn {
    transition: none;
  }

  html {
    scroll-behavior: auto;
  }
}