:root {
  --bg: #ffffff;
  --text: #111111;
  --muted: #666666;
  --surface: #f5f5f7;
  --surface-strong: #f0f0f3;
  --border: #e5e5ea;
  --accent: #007aff;
  --accent-soft: rgba(0, 122, 255, 0.09);
  --shadow: 0 18px 45px rgba(17, 17, 17, 0.06);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --container: 1080px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.container {
  width: min(calc(100% - 32px), var(--container));
  margin: 0 auto;
}

.narrow {
  max-width: 760px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(229, 229, 234, 0.8);
}

.header-inner,
.footer-inner,
.button-row,
.support-banner,
.cta-panel,
.feature-highlight {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.header-inner,
.footer-inner {
  padding: 16px 0;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.02em;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
}

.site-nav a,
.footer-links a {
  color: var(--muted);
}

.site-nav a[aria-current="page"] {
  color: var(--text);
  font-weight: 600;
}

.hero,
.page-hero {
  padding: 104px 0 48px;
}

.page-hero {
  padding-bottom: 34px;
}

.hero-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 44px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

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

h1 {
  margin-bottom: 24px;
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.17;
  letter-spacing: -0.02em;
  word-break: keep-all;
  overflow-wrap: normal;
  line-break: strict;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(1.8rem, 3.8vw, 2.7rem);
  line-height: 1.16;
  letter-spacing: -0.03em;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.12rem;
  line-height: 1.36;
  letter-spacing: -0.01em;
}

.lead,
.section-heading p,
.feature-card p,
.faq-item p,
.prose-card p,
.contact-note,
.feature-highlight p {
  color: var(--muted);
}

.lead {
  margin-bottom: 0;
  font-size: 1.08rem;
}

.support-title {
  font-size: clamp(2.25rem, 4.6vw, 3.25rem);
  white-space: nowrap;
}

.privacy-title {
  white-space: nowrap;
}

.hero-summary {
  max-width: 34rem;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1.1rem;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.hero-points span,
.about-kicker {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 600;
}

.button-row {
  margin-top: 34px;
  flex-wrap: wrap;
  justify-content: flex-start;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 600;
}

.button-primary {
  background: var(--accent);
  color: #ffffff;
}

.button-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}

.text-link {
  color: var(--accent);
  font-weight: 600;
}

.card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-shot {
  margin: 0;
  display: grid;
  place-items: center;
}

.hero-shot img {
  width: min(100%, 550px);
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 20px 38px rgba(17, 17, 17, 0.1));
}

.section {
  padding: 56px 0 112px;
}

.page-hero + .section {
  padding-top: 40px;
}

.section-muted {
  background: var(--surface);
}

.section-heading {
  margin-bottom: 40px;
  text-align: center;
}

.section-heading.left {
  text-align: left;
}

.grid {
  display: grid;
  gap: 18px;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.practical-section .section-heading {
  max-width: 760px;
}

.practical-grid {
  gap: 22px;
}

.practical-card h3 {
  font-size: 1.06rem;
  line-height: 1.42;
}

.practical-card p {
  font-size: 0.98rem;
  line-height: 1.7;
}

.prose-card h2 {
  font-size: 1.28rem;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.feature-card,
.faq-item,
.prose-card,
.screenshot-placeholder,
.feature-highlight,
.cta-panel,
.support-banner,
.about-card {
  padding: 32px;
}

.contact-card {
  padding: 32px;
}

.story-intro {
  padding: 32px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(245, 245, 247, 0.9));
}

.feature-card > :last-child,
.faq-item > :last-child,
.prose-card > :last-child,
.feature-highlight > :last-child,
.cta-panel > :last-child,
.support-banner > :last-child,
.about-card > :last-child,
.contact-card > :last-child,
.story-intro > :last-child {
  margin-bottom: 0;
}

.feature-highlight > div > :last-child,
.cta-panel > div > :last-child,
.support-banner > div > :last-child,
.story-intro > div > :last-child {
  margin-bottom: 0;
}

.story-grid {
  display: grid;
  gap: 32px;
}

.story-block {
  display: grid;
  grid-template-columns: minmax(0, 0.44fr) minmax(0, 0.56fr);
  gap: 28px;
  align-items: center;
}

.story-block.reverse {
  grid-template-columns: minmax(0, 0.56fr) minmax(0, 0.44fr);
}

.story-block.reverse .story-copy {
  order: 2;
}

.story-block.reverse .story-shot {
  order: 1;
}

.story-copy {
  padding: 12px 0;
}

.story-copy p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.story-shot {
  overflow: hidden;
  padding: 0;
  background: #eef2f7;
}

.story-shot img {
  width: 100%;
  height: auto;
}

.screenshot-placeholder {
  min-height: 320px;
  display: grid;
  place-items: center;
  background:
    linear-gradient(135deg, rgba(0, 122, 255, 0.06), rgba(17, 17, 17, 0.02)),
    #ffffff;
  color: var(--muted);
  font-weight: 600;
}

.faq-list {
  display: grid;
  gap: 16px;
}

.info-list {
  margin: 0;
  padding-left: 20px;
}

.info-list li + li {
  margin-top: 8px;
}

.contact-note {
  margin-top: 20px;
}

.about-grid {
  align-items: stretch;
}

.about-card {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(245, 245, 247, 0.96));
}

.feature-highlight,
.support-banner,
.cta-panel {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(245, 245, 247, 0.9));
}

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

.footer-inner {
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
}

@media (max-width: 860px) {
  .hero-layout,
  .grid-2,
  .grid-3,
  .story-block,
  .story-block.reverse,
  .support-banner,
  .cta-panel,
  .feature-highlight {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: flex-start;
  }

  .hero {
    padding-top: 64px;
  }

  .hero-visual {
    width: 100%;
  }

  .story-block.reverse .story-copy,
  .story-block.reverse .story-shot {
    order: initial;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(calc(100% - 24px), var(--container));
  }

  .header-inner,
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero,
  .page-hero {
    padding: 64px 0 24px;
  }

  .page-hero {
    padding-bottom: 20px;
  }

  .section {
    padding: 32px 0 72px;
  }

  .page-hero + .section {
    padding-top: 24px;
  }

  .card,
  .feature-card,
  .faq-item,
  .prose-card,
  .screenshot-placeholder,
  .feature-highlight,
  .cta-panel,
  .support-banner,
  .story-shot,
  .story-intro {
    border-radius: var(--radius-md);
  }

  .hero-summary,
  .lead {
    font-size: 1.05rem;
  }

  .hero-shot img {
    width: min(100%, 400px);
  }

  .support-title {
    white-space: normal;
  }

  .privacy-title {
    white-space: normal;
  }

  h1 {
    font-size: clamp(2.25rem, 9vw, 2.6rem);
  }

  h2 {
    font-size: clamp(1.7rem, 7vw, 2.05rem);
  }

  h3 {
    font-size: 1.05rem;
  }

  .contact-card {
    padding: 24px;
  }

  .story-grid {
    gap: 24px;
  }

  .story-block {
    gap: 18px;
  }

  .practical-grid {
    gap: 18px;
  }
}