:root {
  color-scheme: light;
  --ink: #172033;
  --muted: #5f6b7a;
  --line: #e5e9f0;
  --surface: #ffffff;
  --soft: #f7f9fc;
  --blue: #2367d1;
  --blue-dark: #174d9f;
  --red: #de493f;
  --shadow: 0 24px 70px rgba(29, 46, 78, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 13% 8%, rgba(46, 128, 237, 0.13), transparent 31rem),
    linear-gradient(180deg, #fbfdff 0%, #f6f8fc 45%, #ffffff 100%);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

a {
  color: var(--blue-dark);
  text-underline-offset: 3px;
}

a:focus-visible {
  border-radius: 5px;
  outline: 3px solid rgba(35, 103, 209, 0.28);
  outline-offset: 4px;
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid rgba(229, 233, 240, 0.9);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
}

.site-header__inner,
.hero,
.section,
.site-footer__inner {
  width: min(1160px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header__inner {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-size: 1.08rem;
  font-weight: 850;
  text-decoration: none;
}

.brand img {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(29, 76, 142, 0.16);
}

.site-nav,
.site-footer nav,
.legal-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 22px;
}

.site-nav a,
.site-footer a,
.legal-links a {
  font-size: 0.9rem;
  font-weight: 750;
  text-decoration: none;
}

.site-nav a {
  color: #526074;
}

.hero {
  display: grid;
  min-height: 700px;
  padding-block: 72px 84px;
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, 0.7fr);
  align-items: center;
  gap: 76px;
}

.eyebrow {
  margin: 0 0 15px;
  color: var(--blue-dark);
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0.105em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 20px;
  font-size: clamp(3.4rem, 8vw, 6.6rem);
  line-height: 0.94;
  letter-spacing: -0.065em;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  line-height: 1.08;
  letter-spacing: -0.042em;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.17rem;
  line-height: 1.35;
}

.hero__lead {
  max-width: 700px;
  margin-bottom: 17px;
  color: #34435a;
  font-size: clamp(1.25rem, 2.3vw, 1.65rem);
  font-weight: 680;
  line-height: 1.45;
}

.hero__detail,
.section__heading > p:last-child,
.plan-section > p {
  max-width: 690px;
  color: var(--muted);
}

.purpose-statement {
  max-width: 700px;
  margin-top: 24px;
  padding: 21px 24px;
  border: 1px solid #dce5f2;
  border-left: 5px solid var(--blue);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 14px 36px rgba(29, 46, 78, 0.07);
}

.purpose-statement__label {
  margin-bottom: 7px;
  color: var(--blue-dark);
  font-size: 0.75rem;
  font-weight: 850;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.purpose-statement h2 {
  margin-bottom: 9px;
  font-size: clamp(1.45rem, 2.6vw, 2rem);
  letter-spacing: -0.025em;
}

.purpose-statement p:last-child {
  margin-bottom: 0;
  color: #4c5b70;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  padding: 12px 19px;
  border-radius: 14px;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  text-decoration: none;
}

.button--primary {
  background: var(--ink);
  box-shadow: 0 14px 28px rgba(23, 32, 51, 0.2);
  color: #fff;
}

.button--secondary {
  border: 1px solid #ccd6e5;
  background: rgba(255, 255, 255, 0.7);
  color: var(--blue-dark);
}

.hero__visual {
  display: flex;
  justify-content: center;
}

.phone {
  position: relative;
  overflow: hidden;
  width: min(320px, 72vw);
  border: 9px solid #141c2b;
  border-radius: 48px;
  background: #141c2b;
  box-shadow: var(--shadow);
  aspect-ratio: 9 / 19.5;
}

.phone::before {
  position: absolute;
  z-index: 2;
  top: 8px;
  left: 50%;
  width: 35%;
  height: 20px;
  border-radius: 999px;
  background: #141c2b;
  content: "";
  transform: translateX(-50%);
}

.phone img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.section {
  padding-block: 92px;
  border-top: 1px solid rgba(229, 233, 240, 0.85);
}

.section__heading {
  max-width: 780px;
  margin-bottom: 42px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.feature-card {
  padding: 29px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 13px 34px rgba(29, 46, 78, 0.05);
}

.feature-card__number {
  display: block;
  margin-bottom: 28px;
  color: var(--red);
  font-size: 0.75rem;
  font-weight: 850;
  letter-spacing: 0.12em;
}

.feature-card p,
.gmail-section p {
  margin-bottom: 0;
  color: var(--muted);
}

.gmail-section {
  width: min(1160px, calc(100% - 40px));
  margin-bottom: 72px;
  padding: clamp(32px, 6vw, 64px);
  border: 1px solid #dbe5f3;
  border-radius: 30px;
  background:
    radial-gradient(circle at 100% 0%, rgba(35, 103, 209, 0.13), transparent 24rem),
    #fff;
  box-shadow: var(--shadow);
}

.gmail-section__intro {
  max-width: 850px;
}

.gmail-section code {
  padding: 2px 6px;
  border-radius: 6px;
  background: #eef4fc;
  color: var(--blue-dark);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9em;
}

.gmail-grid {
  display: grid;
  margin-top: 38px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
}

.gmail-grid > div {
  padding-top: 22px;
  border-top: 3px solid #dbe7f8;
}

.legal-links {
  margin-top: 34px;
}

.legal-links a {
  color: var(--blue-dark);
}

.plan-section {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 54px;
  align-items: start;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #fff;
}

.site-footer__inner {
  display: flex;
  min-height: 150px;
  padding-block: 34px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.site-footer p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}

@media (max-width: 820px) {
  .site-nav a:nth-child(-n + 2) {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-top: 54px;
    grid-template-columns: 1fr;
    gap: 46px;
  }

  .hero__visual {
    grid-row: 1;
  }

  .hero__copy {
    grid-row: 2;
  }

  .gmail-grid,
  .plan-section {
    grid-template-columns: 1fr;
  }

  .plan-section {
    gap: 10px;
  }
}

@media (max-width: 600px) {
  .site-header__inner,
  .hero,
  .section,
  .site-footer__inner {
    width: min(100% - 28px, 1160px);
  }

  .site-header__inner {
    min-height: 68px;
  }

  .site-nav {
    gap: 14px;
  }

  .site-nav a:nth-child(3) {
    display: none;
  }

  .hero {
    padding-bottom: 64px;
  }

  h1 {
    font-size: clamp(3.25rem, 19vw, 5rem);
  }

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

  .section {
    padding-block: 70px;
  }

  .gmail-section {
    width: min(100% - 28px, 1160px);
    margin-bottom: 48px;
    border-radius: 22px;
  }

  .site-footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}