:root {
  color-scheme: light;
  --ink: #17172c;
  --muted: #626b84;
  --line: #e4e9f3;
  --panel: #ffffff;
  --wash: #f7f8fc;
  --mint: #3bd0b8;
  --green: #32c879;
  --blue: #13a4c8;
  --coral: #ff5b69;
  --gold: #ffc847;
  --purple: #7657ff;
  --shadow: 0 28px 80px rgba(23, 23, 44, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  min-width: 320px;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: #ffffff;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(228, 233, 243, 0.86);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(18px);
}

.nav {
  width: min(1120px, calc(100% - 36px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 900;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  box-shadow: 0 12px 30px rgba(59, 208, 184, 0.25);
}

.nav-links,
.footer-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  color: var(--muted);
  font-weight: 800;
  font-size: 0.95rem;
}

.nav-links a,
.footer-links a,
.button {
  text-decoration: none;
}

.nav-links a:hover,
.footer-links a:hover {
  color: var(--coral);
}

.hero {
  position: relative;
  min-height: 760px;
  padding: 96px 18px 76px;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 380px);
  align-items: center;
  gap: clamp(28px, 7vw, 88px);
  background:
    linear-gradient(135deg, rgba(59, 208, 184, 0.95), rgba(83, 210, 137, 0.92) 38%, rgba(255, 200, 71, 0.82) 66%, rgba(255, 91, 105, 0.85)),
    #3bd0b8;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 120px;
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.86));
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 20%, rgba(255, 255, 255, 0.34), transparent 24%),
    radial-gradient(circle at 82% 16%, rgba(255, 255, 255, 0.24), transparent 26%),
    linear-gradient(rgba(255, 255, 255, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.14) 1px, transparent 1px);
  background-size: auto, auto, 46px 46px, 46px 46px;
  opacity: 0.86;
}

.hero-content,
.phone-preview {
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 780px;
  margin-left: max(0px, calc((100vw - 1120px) / 2));
  color: white;
  text-shadow: 0 12px 36px rgba(23, 23, 44, 0.18);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--coral);
  font-weight: 950;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.hero .eyebrow {
  color: rgba(255, 255, 255, 0.88);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 840px;
  margin-bottom: 22px;
  font-size: clamp(3rem, 7vw, 6rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.lead {
  max-width: 700px;
  color: rgba(255, 255, 255, 0.92);
  font-size: clamp(1.18rem, 2vw, 1.42rem);
  line-height: 1.55;
}

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

.button {
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
}

.button.primary {
  color: var(--ink);
  background: white;
  box-shadow: 0 18px 34px rgba(23, 23, 44, 0.16);
}

.button.secondary {
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.52);
  background: rgba(255, 255, 255, 0.16);
}

.phone-preview {
  width: min(380px, 92vw);
  min-height: 650px;
  margin-right: max(0px, calc((100vw - 1120px) / 2));
  padding: 28px 18px;
  border: 10px solid rgba(23, 23, 44, 0.92);
  border-radius: 46px;
  background: linear-gradient(180deg, #fbfbff, #f0f4fb);
  box-shadow: var(--shadow);
}

.phone-top {
  width: 104px;
  height: 28px;
  margin: 0 auto 24px;
  border-radius: 999px;
  background: #101121;
}

.app-card {
  border: 1px solid rgba(228, 233, 243, 0.9);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 18px 40px rgba(23, 23, 44, 0.08);
  padding: 18px;
}

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

.school-card {
  background:
    linear-gradient(180deg, rgba(12, 45, 117, 0.16), transparent 34%),
    rgba(255, 255, 255, 0.96);
}

.app-card h2 {
  margin: 14px 0 6px;
  font-size: 1.75rem;
  line-height: 1.04;
}

.app-card h3 {
  margin-bottom: 6px;
}

.app-card p {
  color: var(--muted);
  margin-bottom: 0;
}

.pill {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 950;
}

.pill.value {
  color: #087f5d;
  background: #ddf8ed;
}

.pill.soft {
  color: #0d7892;
  background: #dff8fc;
}

.metric-row {
  margin-top: 18px;
  border-radius: 18px;
  background: #f6f7fb;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  overflow: hidden;
}

.metric-row span {
  padding: 12px 10px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
}

.metric-row span + span {
  border-left: 1px solid var(--line);
}

.metric-row strong {
  display: block;
  color: var(--blue);
  font-size: 1rem;
}

.chart-card {
  min-height: 150px;
  display: grid;
  align-items: end;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.bar {
  border-radius: 18px 18px 8px 8px;
}

.bar.one {
  height: 62px;
  background: var(--green);
}

.bar.two {
  height: 106px;
  background: var(--blue);
}

.bar.three {
  height: 84px;
  background: var(--gold);
}

.score-orbit {
  position: absolute;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 999px;
  color: white;
  font-weight: 950;
  background: rgba(255, 255, 255, 0.16);
  box-shadow: 0 18px 50px rgba(23, 23, 44, 0.12);
  backdrop-filter: blur(16px);
}

.orbit-one {
  width: 92px;
  height: 92px;
  top: 18%;
  left: 48%;
}

.orbit-two {
  width: 124px;
  height: 124px;
  bottom: 18%;
  left: 8%;
}

.orbit-three {
  width: 108px;
  height: 108px;
  right: 8%;
  bottom: 16%;
}

.section {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  padding: 92px 0;
}

.section.compact {
  padding-top: 18px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading h2,
.split h2,
.pro-panel h2,
.page h1 {
  font-size: clamp(2.2rem, 5vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: 0;
  margin-bottom: 16px;
}

.section-heading p,
.split p,
.pro-panel p,
.notice p,
.feature p,
.page p,
.check-list {
  color: var(--muted);
  line-height: 1.62;
  font-size: 1.04rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature {
  min-height: 260px;
  border: 1px solid var(--line);
  border-radius: 26px;
  padding: 26px;
  background: var(--panel);
  box-shadow: 0 18px 50px rgba(23, 23, 44, 0.07);
}

.feature-icon {
  width: 56px;
  height: 56px;
  margin-bottom: 24px;
  border-radius: 18px;
  display: inline-grid;
  place-items: center;
  color: white;
  font-weight: 950;
}

.feature-icon.cost {
  background: linear-gradient(135deg, var(--green), var(--mint));
}

.feature-icon.score {
  background: linear-gradient(135deg, var(--purple), var(--gold));
}

.feature-icon.roi {
  background: linear-gradient(135deg, var(--blue), var(--purple));
}

.feature h3 {
  font-size: 1.38rem;
  margin-bottom: 10px;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 1fr);
  gap: clamp(28px, 7vw, 80px);
  align-items: start;
}

.check-list {
  margin: 0;
  padding: 28px 30px 28px 52px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: var(--wash);
}

.check-list li + li {
  margin-top: 12px;
}

.pro-section {
  width: 100%;
  padding-left: max(18px, calc((100vw - 1120px) / 2));
  padding-right: max(18px, calc((100vw - 1120px) / 2));
  background:
    radial-gradient(circle at 18% 20%, rgba(255, 200, 71, 0.2), transparent 24%),
    linear-gradient(135deg, #fff6df, #e9fbf7 52%, #eff4ff);
}

.pro-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 270px;
  gap: 28px;
  align-items: center;
}

.price-card {
  border: 1px solid rgba(255, 255, 255, 0.74);
  border-radius: 28px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: var(--shadow);
}

.price-card span {
  color: var(--muted);
  font-weight: 900;
}

.price-card strong {
  display: block;
  margin: 8px 0;
  color: var(--coral);
  font-size: 4rem;
  line-height: 1;
}

.notice {
  border: 1px solid rgba(19, 164, 200, 0.18);
  border-radius: 24px;
  padding: clamp(24px, 4vw, 36px);
  background: #effbfc;
}

.notice h2 {
  font-size: 1.62rem;
  margin-bottom: 8px;
}

.page {
  width: min(860px, calc(100% - 36px));
  margin: 0 auto;
  padding: 82px 0 100px;
}

.page .lead {
  color: var(--muted);
  text-shadow: none;
}

.page section {
  padding-top: 34px;
  margin-top: 34px;
  border-top: 1px solid var(--line);
}

.page h2 {
  font-size: 1.55rem;
  margin-bottom: 10px;
}

.contact-card {
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 26px;
  background: var(--wash);
}

.contact-card a,
.page a {
  color: var(--coral);
  font-weight: 900;
}

.site-footer {
  width: min(1120px, calc(100% - 36px));
  min-height: 126px;
  margin: 0 auto;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--muted);
}

.site-footer strong,
.site-footer span {
  display: block;
}

.site-footer strong {
  color: var(--ink);
  margin-bottom: 4px;
}

@media (max-width: 900px) {
  .hero,
  .split,
  .pro-panel,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 62px;
  }

  .hero-content,
  .phone-preview {
    margin-left: auto;
    margin-right: auto;
  }

  .phone-preview {
    min-height: 590px;
  }
}

@media (max-width: 680px) {
  .nav {
    min-height: auto;
    padding: 16px 0;
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    width: 100%;
    gap: 14px;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  h1 {
    font-size: 3.3rem;
  }

  .button {
    width: 100%;
  }

  .phone-preview {
    border-width: 8px;
    border-radius: 38px;
  }

  .site-footer {
    padding: 28px 0;
    align-items: flex-start;
    flex-direction: column;
  }
}
