:root {
  color-scheme: light;
  --night: #121722;
  --charcoal: #1a2230;
  --graphite: #2a3344;
  --paper: #f7fbff;
  --paper-strong: #edf5ff;
  --panel: #ffffff;
  --ink: #111820;
  --muted: #5f6a70;
  --line: rgba(17, 24, 32, 0.12);
  --line-dark: rgba(17, 24, 32, 0.14);
  --blue: #2868f0;
  --accent-blue: #2f80ff;
  --coral: #ff705c;
  --gold: #d89a21;
  --shadow: 0 28px 80px rgba(31, 52, 73, 0.16);
  --radius: 8px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: auto;
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.5;
  letter-spacing: 0;
}

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

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

p,
h1,
h2,
h3,
dl,
dd {
  margin: 0;
}

button {
  font: inherit;
}

mark {
  border-radius: 5px;
  background: rgba(47, 128, 255, 0.22);
  color: inherit;
  padding: 0 0.18rem;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(47, 128, 255, 0.55);
  outline-offset: 4px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 1rem;
  z-index: 30;
  transform: translateY(-150%);
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  padding: 0.6rem 0.85rem;
  font-weight: 800;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 4rem;
  border-bottom: 1px solid rgba(17, 24, 32, 0.08);
  background: rgba(247, 251, 255, 0.82);
  backdrop-filter: blur(18px);
}

.brand,
.nav-links,
.hero-actions,
.release-actions,
.footer-links {
  display: flex;
  align-items: center;
}

.brand {
  gap: 0.7rem;
  font-size: 1.02rem;
  font-weight: 850;
}

.brand span {
  color: #0e1724;
  font-family: "Avenir Next", Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-weight: 900;
}

.brand img {
  border-radius: 9px;
  box-shadow: 0 10px 28px rgba(47, 128, 255, 0.2);
}

.nav-links {
  gap: 1.5rem;
  color: rgba(17, 24, 32, 0.62);
  font-size: 0.92rem;
  font-weight: 740;
}

.nav-links a:hover,
.site-footer a:hover,
.appcast-link:hover {
  color: var(--accent-blue);
}

.nav-cta {
  border: 1px solid rgba(17, 24, 32, 0.12);
  border-radius: 999px;
  padding: 0.56rem 0.95rem;
  background: rgba(255, 255, 255, 0.74);
  font-size: 0.9rem;
  font-weight: 820;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(480px, 1.12fr);
  gap: 4rem;
  align-items: center;
  min-height: calc(100svh - 8.4rem);
  padding: 4.4rem 4rem 3rem;
  overflow: hidden;
  background:
    linear-gradient(120deg, rgba(40, 104, 240, 0.12), transparent 34%),
    linear-gradient(180deg, #f7fbff 0%, #eef6ff 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(17,24,32,0.045) 1px, transparent 1px), linear-gradient(90deg, rgba(17,24,32,0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, transparent, #000 14%, #000 74%, transparent);
  pointer-events: none;
}

.signal-field {
  position: absolute;
  inset: 0;
  contain: strict;
  overflow: hidden;
  pointer-events: none;
}

.signal-field span {
  position: absolute;
  left: 48%;
  width: 58rem;
  height: 9rem;
  border: 1px solid rgba(40, 104, 240, 0.17);
  border-left: 0;
  border-right: 0;
  border-radius: 999px;
  background:
    linear-gradient(90deg, transparent, rgba(157, 204, 255, 0.48), transparent),
    linear-gradient(90deg, transparent, rgba(40, 104, 240, 0.12), transparent);
  transform: rotate(-10deg) skewX(-14deg);
}

.signal-field span:nth-child(1) {
  top: 4rem;
}

.signal-field span:nth-child(2) {
  top: 11.8rem;
  left: 42%;
  width: 70rem;
  opacity: 0.8;
}

.signal-field span:nth-child(3) {
  top: 20rem;
  left: 53%;
  width: 50rem;
  opacity: 0.58;
}

.signal-field span:nth-child(4) {
  bottom: 1rem;
  left: 36%;
  width: 76rem;
  opacity: 0.52;
}

.letter-field {
  position: absolute;
  top: 5.8rem;
  right: 4rem;
  z-index: 0;
  width: min(42rem, 52vw);
  overflow: hidden;
  color: rgba(40, 104, 240, 0.28);
  contain: paint;
  font-family: "SF Mono", "Cascadia Code", "Roboto Mono", ui-monospace, monospace;
  font-size: clamp(0.9rem, 1.15vw, 1.2rem);
  font-weight: 850;
  line-height: 1.4;
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 86%, transparent);
  pointer-events: none;
  transform: rotate(-8deg);
}

.letter-field span {
  display: block;
  width: 0;
  max-width: max-content;
  margin: 0.5rem 0;
  overflow: hidden;
  border-right: 1px solid rgba(40, 104, 240, 0.42);
  white-space: nowrap;
}

.hero-copy,
.product-stage {
  position: relative;
  z-index: 1;
}

.kicker {
  color: var(--accent-blue);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 720px;
  margin-top: 0.9rem;
  color: var(--ink);
  font-size: 4.35rem;
  line-height: 0.98;
  letter-spacing: 0;
}

.lead {
  max-width: 640px;
  margin-top: 1.35rem;
  color: rgba(17, 24, 32, 0.67);
  font-size: 1.2rem;
}

.hero-actions {
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.75rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  border-radius: 10px;
  padding: 0.82rem 1.08rem;
  font-weight: 850;
  text-align: center;
}

.button-primary {
  background: var(--night);
  color: #ffffff;
  box-shadow: 0 18px 42px rgba(18, 23, 34, 0.22);
}

.button-secondary {
  border: 1px solid rgba(17, 24, 32, 0.13);
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink);
}

.button-secondary.dark {
  border-color: rgba(17, 24, 32, 0.13);
}

@media (prefers-reduced-motion: no-preference) {
  .button {
    transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
  }

  .button:hover {
    transform: translateY(-1px);
  }
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  max-width: 680px;
  margin-top: 1.25rem;
  overflow: hidden;
  border: 1px solid rgba(17, 24, 32, 0.1);
  border-radius: 14px;
  background: var(--line);
}

.hero-meta div {
  padding: 0.7rem 0.85rem;
  background: rgba(255, 255, 255, 0.8);
}

.hero-meta dt {
  color: var(--ink);
  font-weight: 900;
}

.hero-meta dd {
  margin-top: 0.25rem;
  color: rgba(17, 24, 32, 0.56);
  font-size: 0.9rem;
}

.product-stage {
  min-height: 520px;
}

.draft-window,
.result-panel {
  border: 1px solid rgba(17, 24, 32, 0.1);
  background: rgba(251, 250, 247, 0.96);
  color: var(--ink);
  box-shadow: var(--shadow);
}

.draft-window {
  width: min(620px, 100%);
  border-radius: 22px;
  overflow: hidden;
}

.window-bar {
  display: flex;
  gap: 0.45rem;
  align-items: center;
  height: 46px;
  padding: 0 1rem;
  border-bottom: 1px solid rgba(16, 18, 24, 0.1);
  background: #f1eee8;
}

.window-bar span {
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 999px;
}

.window-bar span:nth-child(1) { background: #ff5f57; }
.window-bar span:nth-child(2) { background: #ffbd2e; }
.window-bar span:nth-child(3) { background: #2f80ff; }

.draft-content {
  padding: 2rem;
}

.app-label,
.selection-tag {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 820;
}

.draft-content > p:nth-child(2) {
  max-width: 460px;
  margin-top: 1rem;
  font-size: 1.35rem;
  line-height: 1.42;
  font-weight: 720;
}

.selection-tag {
  display: inline-flex;
  margin-top: 1.4rem;
  border-radius: 999px;
  background: rgba(47, 128, 255, 0.12);
  color: #1e67c7;
  padding: 0.42rem 0.7rem;
}

.result-panel {
  position: absolute;
  right: 0;
  bottom: 48px;
  width: min(520px, 86%);
  border-radius: 24px;
  background: #17191f;
  color: #f9f6ee;
  padding: 1.1rem;
}

.result-header {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  gap: 0.85rem;
  align-items: center;
}

.result-header img {
  border-radius: 10px;
}

.result-header p {
  font-weight: 880;
}

.result-header span {
  color: rgba(249, 246, 238, 0.54);
  font-size: 0.84rem;
}

.result-header button {
  border: 0;
  border-radius: 9px;
  background: var(--blue);
  color: #ffffff;
  padding: 0.55rem 0.8rem;
  font-weight: 850;
}

.score-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.score-row span {
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(249, 246, 238, 0.76);
  padding: 0.42rem 0.68rem;
  font-size: 0.82rem;
  font-weight: 820;
}

.score-row .score-good {
  color: #32e08a;
  background: rgba(47, 214, 163, 0.16);
}

.score-row .score-alert {
  color: #ff988f;
  background: rgba(255, 111, 97, 0.12);
}

.corrected-text {
  margin-top: 1.5rem;
  font-size: 1.35rem;
  line-height: 1.35;
  font-weight: 820;
}

.diff-line {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1.5rem;
  border: 1px solid rgba(255, 111, 97, 0.22);
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.2);
  padding: 0.85rem;
  color: rgba(249, 246, 238, 0.78);
  font-weight: 720;
}

.diff-line del {
  color: #ff8a80;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  background: #ffffff;
  color: var(--ink);
}

.trust-strip span {
  display: grid;
  min-height: 76px;
  place-items: center;
  border-right: 1px solid var(--line-dark);
  font-weight: 860;
  text-align: center;
  padding: 1rem;
}

.trust-strip span:last-child {
  border-right: 0;
}

.model-marquee-section {
  overflow: hidden;
  padding: 1.55rem 4rem 1.65rem;
  border-bottom: 1px solid var(--line-dark);
  background:
    radial-gradient(circle at 12% 28%, rgba(40, 104, 240, 0.1), transparent 26rem),
    linear-gradient(90deg, #ffffff 0%, #f3f9ff 46%, #ffffff 100%);
  color: var(--ink);
}

.model-marquee-head {
  margin-bottom: 0.45rem;
}

.model-rail {
  position: relative;
  overflow: hidden;
  padding: 0.35rem 0;
  mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
}

.model-rail:focus-visible {
  outline: 3px solid rgba(47, 128, 255, 0.55);
  outline-offset: 6px;
}

.model-track,
.model-set {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.model-track {
  width: max-content;
}

.model-set {
  padding-right: 2.2rem;
}

.model-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.76rem;
  min-height: 62px;
  white-space: nowrap;
  color: rgba(17, 24, 32, 0.84);
  padding: 0.55rem 0.2rem;
}

.model-pill strong {
  font-size: 1.32rem;
  font-weight: 900;
}

.model-pill img {
  width: 2.15rem;
  height: 2.15rem;
  object-fit: contain;
  opacity: 0.88;
}

.model-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: rgba(80, 89, 101, 0.72);
  font-size: 0.92rem;
  font-weight: 900;
  line-height: 1;
}

.section {
  padding: 7rem 4rem;
}

.section-light {
  background: var(--paper);
  color: var(--ink);
}

.stack-section {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(420px, 1fr);
  gap: 3rem;
  align-items: end;
  padding: 4.5rem 4rem;
  border-bottom: 1px solid var(--line-dark);
  background:
    linear-gradient(90deg, transparent 0, rgba(40, 104, 240, 0.07) 36%, transparent 70%),
    #ffffff;
  color: var(--ink);
}

.stack-copy h2 {
  max-width: 620px;
  margin-top: 0.8rem;
  font-size: 2.5rem;
  line-height: 1.02;
}

.logo-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.65rem;
}

.logo-grid a {
  display: grid;
  min-height: 118px;
  place-items: center;
  gap: 0.65rem;
  border: 1px solid rgba(17, 24, 32, 0.1);
  border-radius: 14px;
  background: rgba(247, 251, 255, 0.82);
  padding: 1rem;
  color: rgba(17, 24, 32, 0.74);
  font-weight: 850;
  text-align: center;
}

.logo-grid img {
  width: 2.65rem;
  height: 2.65rem;
  object-fit: contain;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.84fr) minmax(280px, 0.8fr);
  gap: 4rem;
  align-items: end;
  margin-bottom: 2.6rem;
}

.section-head h2,
.privacy-copy h2,
.release-card h2 {
  max-width: 840px;
  font-size: 3.5rem;
  line-height: 1;
  color: inherit;
  letter-spacing: 0;
}

.section-head.compact {
  display: block;
  margin-bottom: 2.2rem;
}

.section-head.compact h2 {
  margin-top: 0.9rem;
}

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

.feature-grid article {
  min-height: 250px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 1.3rem;
}

.feature-mark {
  color: var(--blue);
  font-size: 0.86rem;
  font-weight: 900;
}

.feature-grid h3,
.workflow-board h3 {
  margin-top: 3.2rem;
  font-size: 1.5rem;
  line-height: 1.12;
}

.feature-grid p:not(.feature-mark),
.workflow-board p,
.privacy-copy p,
.privacy-list span,
.release-card p {
  margin-top: 0.8rem;
  color: var(--muted);
}

.workflow-section {
  background:
    linear-gradient(180deg, rgba(17, 24, 32, 0.04), transparent 44%),
    #eef6ff;
  color: var(--ink);
}

.workflow-board {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid rgba(17, 24, 32, 0.12);
  border-radius: 18px;
  background: rgba(17, 24, 32, 0.12);
}

.workflow-board article {
  min-height: 280px;
  background: rgba(255, 255, 255, 0.82);
  padding: 1.25rem;
}

.workflow-board span {
  display: grid;
  width: 2.4rem;
  height: 2.4rem;
  place-items: center;
  border-radius: 9px;
  background: var(--night);
  color: #ffffff;
  font-weight: 900;
}

.workflow-board p {
  color: var(--muted);
}

.recommendation-section {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(rgba(17, 24, 32, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 24, 32, 0.035) 1px, transparent 1px),
    linear-gradient(135deg, rgba(157, 204, 255, 0.28), transparent 38%),
    #ffffff;
  background-size: 58px 58px, 58px 58px, auto, auto;
  color: var(--ink);
}

.recommendation-section::before,
.recommendation-section::after {
  content: "";
  position: absolute;
  right: -8rem;
  width: 62rem;
  height: 9rem;
  border: 1px solid rgba(40, 104, 240, 0.12);
  border-left: 0;
  border-right: 0;
  border-radius: 999px;
  background:
    linear-gradient(90deg, transparent, rgba(157, 204, 255, 0.34), transparent),
    linear-gradient(90deg, transparent, rgba(40, 104, 240, 0.09), transparent);
  pointer-events: none;
  transform: rotate(-10deg) skewX(-14deg);
}

.recommendation-section::before {
  top: 5.5rem;
}

.recommendation-section::after {
  bottom: 2.5rem;
  right: -14rem;
  opacity: 0.58;
}

.recommendation-letter-field {
  position: absolute;
  top: 2.8rem;
  right: 2.8rem;
  z-index: 0;
  width: min(42rem, 50vw);
  overflow: hidden;
  color: rgba(40, 104, 240, 0.19);
  contain: paint;
  font-family: "SF Mono", "Cascadia Code", "Roboto Mono", ui-monospace, monospace;
  font-size: clamp(0.88rem, 1.08vw, 1.16rem);
  font-weight: 850;
  line-height: 1.45;
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 86%, transparent);
  pointer-events: none;
  transform: rotate(-7deg);
}

.recommendation-letter-field span {
  display: block;
  width: 0;
  max-width: max-content;
  margin: 0.45rem 0;
  overflow: hidden;
  border-right: 1px solid rgba(40, 104, 240, 0.28);
  white-space: nowrap;
}

.recommendation-section .section-head,
.recommendation-grid {
  position: relative;
  z-index: 1;
}

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

.recommendation-grid article {
  min-height: 230px;
  border: 1px solid rgba(17, 24, 32, 0.11);
  border-radius: 16px;
  background:
    linear-gradient(180deg, rgba(247, 251, 255, 0.94), #ffffff);
  padding: 1.35rem;
  box-shadow: 0 18px 48px rgba(31, 52, 73, 0.08);
}

.recommendation-grid strong {
  display: block;
  max-width: 280px;
  font-size: 1.35rem;
  line-height: 1.14;
}

.recommendation-grid p {
  margin-top: 1.25rem;
  color: var(--muted);
}

.privacy-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.8fr);
  gap: 5rem;
  background: var(--paper);
  color: var(--ink);
}

.privacy-copy p {
  max-width: 640px;
  font-size: 1.08rem;
}

.privacy-list {
  display: grid;
  gap: 0.9rem;
}

.privacy-list div {
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: #ffffff;
  padding: 1.1rem;
}

.privacy-list strong,
.privacy-list span {
  display: block;
}

.seo-section,
.faq-section {
  background:
    linear-gradient(135deg, rgba(157, 204, 255, 0.18), transparent 34%),
    #ffffff;
}

.seo-section {
  border-top: 1px solid var(--line-dark);
}

.article-grid,
.faq-grid {
  display: grid;
  gap: 1rem;
}

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

.article-card,
.faq-grid article {
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 18px 48px rgba(31, 52, 73, 0.07);
}

.article-card {
  display: grid;
  gap: 1rem;
  min-height: 15rem;
  padding: 1.7rem;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.article-card:hover {
  border-color: rgba(47, 128, 255, 0.32);
  box-shadow: 0 24px 60px rgba(31, 52, 73, 0.11);
  transform: translateY(-3px);
}

.article-card span {
  color: var(--accent-blue);
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.article-card strong {
  font-size: clamp(1.35rem, 1.7vw, 1.72rem);
  line-height: 1.08;
}

.article-card p,
.faq-grid p {
  color: rgba(17, 24, 32, 0.66);
  font-size: 1rem;
}

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

.faq-grid article {
  padding: 1.55rem;
}

.faq-grid h3 {
  margin: 0 0 0.7rem;
  font-size: 1.18rem;
  line-height: 1.15;
}

.blog-page,
.article-page {
  background:
    linear-gradient(rgba(17, 24, 32, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 24, 32, 0.035) 1px, transparent 1px),
    linear-gradient(180deg, #f7fbff, #eef6ff);
  background-size: 58px 58px, 58px 58px, auto;
}

.blog-hero,
.blog-index-grid,
.article-body {
  width: min(100% - 8rem, 1120px);
  margin-inline: auto;
}

.blog-hero {
  padding: 5.5rem 0 2rem;
}

.blog-hero h1,
.article-body h1 {
  max-width: 860px;
  font-size: clamp(3rem, 7vw, 5.9rem);
  line-height: 0.94;
  letter-spacing: 0;
}

.blog-hero p:not(.kicker),
.article-lead {
  max-width: 760px;
  margin-top: 1.4rem;
  color: rgba(17, 24, 32, 0.68);
  font-size: clamp(1.1rem, 2vw, 1.38rem);
  line-height: 1.46;
}

.blog-index-grid {
  padding: 2rem 0 6rem;
}

.article-page {
  min-height: 100svh;
  padding-bottom: 5rem;
}

.article-body {
  max-width: 860px;
  padding: 5.5rem 0;
}

.article-body h2 {
  margin-top: 2.6rem;
  font-size: clamp(1.7rem, 3vw, 2.45rem);
  line-height: 1.08;
}

.article-body p {
  margin-top: 1rem;
  color: rgba(17, 24, 32, 0.72);
  font-size: 1.12rem;
  line-height: 1.7;
}

.article-body ul,
.article-body ol,
.release-proof {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
  color: rgba(17, 24, 32, 0.72);
}

.article-body li,
.release-proof li {
  margin-top: 0.45rem;
  overflow-wrap: anywhere;
}

.article-body a:not(.button) {
  color: var(--accent-blue);
  font-weight: 820;
}

.article-cta,
.article-related {
  margin-top: 3rem;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.82);
  padding: 1.5rem;
  box-shadow: 0 18px 48px rgba(31, 52, 73, 0.07);
}

.article-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.article-cta .button {
  flex: 0 0 auto;
}

.article-cta strong,
.article-related strong {
  display: block;
  font-size: 1.18rem;
  line-height: 1.18;
}

.article-related nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.article-related a {
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  padding: 0.55rem 0.8rem;
  color: rgba(17, 24, 32, 0.72);
  font-weight: 800;
}

.article-related a:hover {
  border-color: rgba(47, 128, 255, 0.32);
  color: var(--accent-blue);
}

.release-proof {
  max-width: 720px;
  margin-top: 1.2rem;
  font-size: 0.92rem;
}

.release-section {
  background:
    linear-gradient(180deg, #f7fbff, #eaf3ff);
}

.release-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.38fr);
  gap: 3rem;
  align-items: end;
  border: 1px solid rgba(17, 24, 32, 0.1);
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(40, 104, 240, 0.12), transparent 42%),
    #ffffff;
  padding: 3rem;
  box-shadow: var(--shadow);
}

.release-card p {
  max-width: 660px;
  color: var(--muted);
}

.release-actions {
  align-items: stretch;
  flex-direction: column;
  gap: 0.8rem;
}

.appcast-link {
  color: rgba(17, 24, 32, 0.66);
  font-size: 0.92rem;
  font-weight: 800;
  text-align: center;
}

.site-footer {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.7rem 4rem;
  border-top: 1px solid var(--line-dark);
  background: #ffffff;
  color: rgba(17, 24, 32, 0.68);
}

.footer-maker {
  display: grid;
  gap: 0.75rem;
  max-width: 560px;
}

.footer-maker p {
  color: rgba(17, 24, 32, 0.6);
  font-size: 0.95rem;
}

.footer-maker p a {
  color: var(--ink);
  font-weight: 850;
}

.footer-links {
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: flex-end;
  font-weight: 740;
}

@media (prefers-reduced-motion: no-preference) {
  .letter-field span {
    animation: type-line 9s steps(32) infinite;
    animation-delay: -7.25s;
  }

  .recommendation-letter-field span {
    animation: type-line 10s steps(38) infinite;
    animation-delay: -7.5s;
  }

  .letter-field span:nth-child(2) {
    animation-delay: -5.75s;
  }

  .letter-field span:nth-child(3) {
    animation-delay: -3.25s;
  }

  .recommendation-letter-field span:nth-child(2) {
    animation-delay: -5.5s;
  }

  .recommendation-letter-field span:nth-child(3) {
    animation-delay: -3.1s;
  }

  .logo-grid a,
  .feature-grid article,
  .recommendation-grid article,
  .privacy-list div,
  .model-pill {
    animation: card-rise 560ms ease both;
    animation-timeline: view();
    animation-range: entry 0% cover 28%;
    transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
  }

  .logo-grid a:hover,
  .feature-grid article:hover,
  .recommendation-grid article:hover,
  .workflow-board article:hover,
  .privacy-list div:hover {
    border-color: rgba(40, 104, 240, 0.24);
    box-shadow: 0 18px 44px rgba(31, 52, 73, 0.1);
    transform: translateY(-2px);
  }

  .workflow-board {
    perspective: 1200px;
  }

  .workflow-board article {
    animation: workflow-flip-in 760ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
    animation-timeline: view();
    animation-range: entry 0% cover 34%;
    transform-origin: center left;
    transform-style: preserve-3d;
    transition: background 180ms ease, box-shadow 180ms ease, transform 180ms ease;
  }

  .workflow-board article:hover {
    background: rgba(255, 255, 255, 0.94);
    box-shadow: inset 0 0 0 1px rgba(40, 104, 240, 0.18), 0 22px 52px rgba(31, 52, 73, 0.1);
    transform: translateY(-3px) rotateY(-4deg);
  }

  .model-track {
    animation: model-scroll 30s linear infinite;
  }

  .model-rail:hover .model-track,
  .model-rail:focus .model-track,
  .model-rail:focus-within .model-track {
    animation-play-state: paused;
  }

  @keyframes type-line {
    0%,
    12% {
      width: 0;
      opacity: 0;
    }

    27%,
    72% {
      width: 100%;
      opacity: 1;
    }

    88%,
    100% {
      width: 0;
      opacity: 0;
    }
  }

  @keyframes card-rise {
    from {
      opacity: 0;
      transform: translateY(18px) scale(0.98);
    }

    to {
      opacity: 1;
      transform: translateY(0) scale(1);
    }
  }

  @keyframes workflow-flip-in {
    from {
      opacity: 0;
      transform: translateY(26px) rotateY(-18deg) scale(0.97);
    }

    to {
      opacity: 1;
      transform: translateY(0) rotateY(0) scale(1);
    }
  }

  @keyframes model-scroll {
    to {
      transform: translateX(-50%);
    }
  }
}

@media (max-width: 1120px) {
  .site-header,
  .hero,
  .section,
  .stack-section,
  .model-marquee-section,
  .site-footer {
    padding-left: 2rem;
    padding-right: 2rem;
  }

  .hero {
    grid-template-columns: minmax(0, 0.78fr) minmax(400px, 1.22fr);
    gap: 2rem;
  }

  .hero h1 {
    font-size: 3.55rem;
  }

  .lead {
    font-size: 1.08rem;
  }

  .hero-meta {
    display: none;
  }

  .product-stage {
    min-height: 480px;
  }

  .section-head h2,
  .privacy-copy h2,
  .release-card h2 {
    font-size: 3rem;
  }

  .stack-section {
    grid-template-columns: 1fr;
  }

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

  .recommendation-letter-field {
    right: -5rem;
    width: 34rem;
    opacity: 0.66;
  }
}

@media (max-width: 740px) {
  .hero,
  .privacy-section,
  .release-card,
  .section-head {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .product-stage {
    min-height: 500px;
  }
}

@media (max-width: 820px) {
  .site-header {
    flex-wrap: wrap;
  }

  .nav-links {
    order: 3;
    display: flex;
    width: 100%;
    gap: 0.85rem;
    overflow-x: auto;
    padding-top: 0.45rem;
    scrollbar-width: none;
    white-space: nowrap;
  }

  .nav-links::-webkit-scrollbar {
    display: none;
  }

  .hero {
    grid-template-columns: minmax(0, 0.92fr) minmax(330px, 1.08fr);
    gap: 1.5rem;
    padding-top: 3rem;
    padding-bottom: 2rem;
  }

  .letter-field {
    top: 5rem;
    right: -8rem;
    width: 26rem;
    opacity: 0.6;
  }

  .hero h1 {
    font-size: 3.15rem;
  }

  .lead {
    font-size: 1rem;
  }

  .product-stage {
    min-height: 380px;
  }

  .draft-content {
    padding: 1.3rem;
  }

  .draft-content > p:nth-child(2) {
    font-size: 1.06rem;
  }

  .result-panel {
    bottom: 0;
    width: min(360px, 86%);
    padding: 0.95rem;
  }

  .score-row,
  .diff-line {
    display: none;
  }

  .hero-meta,
  .trust-strip,
  .feature-grid,
  .recommendation-grid,
  .article-grid,
  .faq-grid,
  .workflow-board {
    grid-template-columns: 1fr;
  }

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

  .logo-grid a {
    min-height: 96px;
  }

  .trust-strip span {
    border-right: 0;
    border-bottom: 1px solid var(--line-dark);
  }

  .trust-strip span:last-child {
    border-bottom: 0;
  }

  .feature-grid article,
  .workflow-board article {
    min-height: auto;
  }

  .recommendation-letter-field {
    width: 25rem;
  }

  .feature-grid h3,
  .workflow-board h3 {
    margin-top: 2rem;
  }

  .blog-hero,
  .blog-index-grid,
  .article-body {
    width: min(100% - 4rem, 1120px);
  }
}

@media (max-width: 740px) {
  .hero,
  .privacy-section,
  .release-card,
  .section-head {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }
}

@media (max-width: 560px) {
  .site-header,
  .hero,
  .section,
  .stack-section,
  .model-marquee-section,
  .site-footer {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .site-header {
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 1.35rem;
    padding-top: 2.5rem;
    padding-bottom: 1.2rem;
  }

  .signal-field span {
    left: 18%;
    width: 38rem;
    height: 6rem;
  }

  .hero h1 {
    font-size: 2.58rem;
  }

  .lead {
    margin-top: 1rem;
    font-size: 1rem;
  }

  .release-actions {
    align-items: stretch;
    flex-direction: column;
    width: 100%;
  }

  .release-actions .button {
    width: 100%;
  }

  .article-cta {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-actions {
    gap: 0.55rem;
    margin-top: 1.2rem;
  }

  .hero-actions .button {
    flex: 1 1 8.2rem;
    padding: 0.78rem 0.7rem;
  }

  .blog-hero,
  .blog-index-grid,
  .article-body {
    width: min(100% - 2rem, 1120px);
  }

  .blog-hero,
  .article-body {
    padding-top: 3.2rem;
  }

  .blog-hero h1,
  .article-body h1 {
    font-size: 2.55rem;
  }

  .article-card,
  .faq-grid article {
    padding: 1.25rem;
  }

  .hero-meta {
    display: none;
  }

  .product-stage {
    min-height: 280px;
  }

  .draft-content {
    padding: 1rem;
  }

  .draft-content > p:nth-child(2) {
    margin-top: 0.75rem;
    font-size: 0.98rem;
  }

  .result-panel {
    left: 0;
    right: auto;
    bottom: 0;
    width: 100%;
    padding: 0.9rem;
  }

  .result-header {
    grid-template-columns: 40px 1fr;
  }

  .result-header button {
    grid-column: 1 / -1;
    width: 100%;
  }

  .corrected-text {
    margin-top: 0.8rem;
    font-size: 1.02rem;
  }

  .score-row,
  .diff-line {
    display: none;
  }

  .section {
    padding-top: 4.5rem;
    padding-bottom: 4.5rem;
  }

  .section-head h2,
  .privacy-copy h2,
  .release-card h2 {
    font-size: 2.25rem;
  }

  .stack-copy h2 {
    font-size: 2rem;
  }

  .logo-grid {
    gap: 0.55rem;
  }

  .logo-grid a {
    min-height: 86px;
    padding: 0.8rem;
  }

  .model-marquee-section {
    padding-top: 1.35rem;
    padding-bottom: 1.45rem;
  }

  .model-pill {
    min-height: 52px;
    gap: 0.56rem;
    padding: 0.42rem 0.1rem;
  }

  .model-pill strong {
    font-size: 1.08rem;
  }

  .model-pill img {
    width: 1.75rem;
    height: 1.75rem;
  }

  .model-mark {
    font-size: 0.76rem;
  }

  .recommendation-letter-field {
    display: none;
  }

  .release-card {
    border-radius: 18px;
    padding: 1.4rem;
  }

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

  .footer-links {
    justify-content: flex-start;
  }

  .letter-field {
    display: none;
  }
}

@media (max-width: 360px) {
  .hero h1 {
    font-size: 2.34rem;
  }

  .hero-actions .button-secondary {
    display: none;
  }
}