:root {
  --ink: #0a0a0b;
  --charcoal: #1d1e20;
  --graphite: #55585c;
  --line: #d9d9d5;
  --stone: #ecebe7;
  --paper: #f7f6f2;
  --white: #ffffff;
  --shadow: 0 18px 50px rgba(10, 10, 11, 0.09);
  --shadow-soft: 0 10px 28px rgba(10, 10, 11, 0.06);
  --radius-sm: 12px;
  --radius-md: 22px;
  --radius-lg: 34px;
  --container: 1180px;
  --header-height: 88px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

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

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

button,
input,
textarea,
select {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

::selection {
  color: var(--white);
  background: var(--ink);
}

.skip-link {
  position: fixed;
  left: 18px;
  top: -100px;
  z-index: 9999;
  padding: 12px 16px;
  color: var(--white);
  background: var(--ink);
  border-radius: 8px;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 18px;
}

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.section {
  padding: 104px 0;
}

.section-sm {
  padding: 70px 0;
}

.section-dark {
  color: var(--white);
  background: var(--ink);
}

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

.section-stone {
  background: var(--stone);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  color: var(--graphite);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 28px;
  height: 1px;
  content: "";
  background: currentColor;
}

.section-dark .eyebrow {
  color: rgba(255, 255, 255, 0.68);
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1,
h2,
h3,
h4 {
  line-height: 1.08;
  letter-spacing: -0.035em;
}

h1 {
  margin-bottom: 26px;
  font-size: clamp(3.35rem, 7vw, 6.8rem);
  font-weight: 760;
}

h2 {
  margin-bottom: 24px;
  font-size: clamp(2.35rem, 4.6vw, 4.7rem);
  font-weight: 740;
}

h3 {
  margin-bottom: 14px;
  font-size: clamp(1.35rem, 2vw, 2rem);
  font-weight: 720;
}

p {
  margin-bottom: 22px;
  color: var(--graphite);
}

.section-dark p {
  color: rgba(255, 255, 255, 0.7);
}

.lead {
  max-width: 720px;
  font-size: clamp(1.08rem, 1.7vw, 1.35rem);
  line-height: 1.75;
}

.small {
  font-size: 0.9rem;
}

.muted {
  color: var(--graphite);
}

.text-center {
  text-align: center;
}

.text-center .lead {
  margin-inline: auto;
}

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

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 22px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-size: 0.96rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  color: var(--white);
  background: var(--ink);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--charcoal);
}

.button-secondary {
  color: var(--ink);
  background: transparent;
}

.button-light {
  color: var(--ink);
  background: var(--white);
  border-color: var(--white);
}

.button-ghost-light {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.38);
}

.icon-arrow {
  width: 17px;
  height: 17px;
  transition: transform 0.2s ease;
}

.button:hover .icon-arrow,
.card-link:hover .icon-arrow {
  transform: translateX(3px);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(10, 10, 11, 0.08);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: grid;
  min-height: var(--header-height);
  grid-template-columns: 238px 1fr auto;
  align-items: center;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
}

.brand img {
  width: 222px;
  height: auto;
}

.desktop-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
}

.desktop-nav a {
  position: relative;
  padding: 12px 0;
  color: #303236;
  font-size: 0.93rem;
  font-weight: 700;
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: 5px;
  left: 0;
  height: 1px;
  content: "";
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.desktop-nav a:hover::after,
.desktop-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-actions .button {
  min-height: 46px;
  padding: 11px 18px;
  font-size: 0.9rem;
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--white);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  margin: 5px auto;
  background: var(--ink);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(6.5px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-6.5px) rotate(-45deg);
}

.mobile-panel {
  position: fixed;
  inset: var(--header-height) 0 0;
  z-index: 999;
  display: none;
  padding: 28px 20px 40px;
  background: var(--white);
  overflow-y: auto;
}

.mobile-panel.is-open {
  display: block;
}

.mobile-nav {
  display: grid;
  gap: 4px;
}

.mobile-nav a {
  padding: 18px 6px;
  border-bottom: 1px solid var(--line);
  font-size: 1.45rem;
  font-weight: 760;
  letter-spacing: -0.03em;
}

.mobile-panel .button {
  width: 100%;
  margin-top: 24px;
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  padding: 54px 0 72px;
  background: linear-gradient(135deg, #f4f3ef 0%, #ffffff 64%);
}

.hero::after {
  position: absolute;
  right: -10vw;
  bottom: -28vw;
  width: 54vw;
  height: 54vw;
  border: 1px solid rgba(10, 10, 11, 0.07);
  border-radius: 50%;
  content: "";
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 650px;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 72px;
}

.hero-copy {
  padding: 54px 0;
}

.hero-copy h1 {
  max-width: 800px;
}

.hero-copy .lead {
  max-width: 660px;
}

.hero-note {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 42px;
  color: var(--graphite);
  font-size: 0.88rem;
  font-weight: 700;
}

.hero-note::before {
  width: 34px;
  height: 1px;
  content: "";
  background: var(--graphite);
}

.hero-visual {
  position: relative;
  min-height: 610px;
}

.hero-photo {
  position: absolute;
  inset: 0 0 0 8%;
  overflow: hidden;
  border-radius: 220px 220px var(--radius-lg) var(--radius-lg);
  background: #686a6c;
  box-shadow: var(--shadow);
}

.hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%;
}

.hero-badge {
  position: absolute;
  right: -18px;
  bottom: 48px;
  display: grid;
  width: 178px;
  min-height: 178px;
  place-items: center;
  padding: 24px;
  border-radius: 50%;
  color: var(--white);
  background: var(--ink);
  box-shadow: var(--shadow-soft);
  text-align: center;
}

.hero-badge strong {
  display: block;
  font-size: 1.12rem;
  line-height: 1.2;
}

.hero-badge span {
  display: block;
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.credibility-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.credibility-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.credibility-item {
  min-height: 106px;
  padding: 26px 24px;
  border-right: 1px solid var(--line);
}

.credibility-item:first-child {
  border-left: 1px solid var(--line);
}

.credibility-item strong {
  display: block;
  margin-bottom: 5px;
  font-size: 1rem;
}

.credibility-item span {
  color: var(--graphite);
  font-size: 0.86rem;
}

/* Cards and grids */
.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 46px;
}

.section-heading > div:first-child {
  max-width: 820px;
}

.section-heading p:last-child {
  margin-bottom: 0;
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.topic-card {
  position: relative;
  min-height: 320px;
  padding: 30px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.topic-card:hover {
  border-color: #a8a9a5;
  box-shadow: var(--shadow-soft);
  transform: translateY(-5px);
}

.topic-number {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  margin-bottom: 86px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--graphite);
  font-size: 0.78rem;
  font-weight: 800;
}

.topic-card h3 {
  max-width: 220px;
}

.topic-card p {
  margin-bottom: 0;
  font-size: 0.94rem;
}

.topic-card::after {
  position: absolute;
  right: -44px;
  bottom: -44px;
  width: 126px;
  height: 126px;
  border: 1px solid var(--line);
  border-radius: 50%;
  content: "";
}

.split-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  gap: 84px;
}

.image-frame {
  position: relative;
}

.image-frame::before {
  position: absolute;
  inset: 26px -26px -26px 26px;
  border: 1px solid #bfc0bd;
  border-radius: var(--radius-lg);
  content: "";
}

.image-frame img {
  position: relative;
  z-index: 1;
  width: 100%;
  aspect-ratio: 1 / 1.06;
  border-radius: var(--radius-lg);
  object-fit: cover;
  object-position: center 20%;
}

.check-list {
  display: grid;
  gap: 16px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  color: #2b2d30;
  font-weight: 650;
}

.check-list li::before {
  display: grid;
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: var(--ink);
  content: "✓";
  font-size: 0.75rem;
}

.posts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.post-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.post-card:hover {
  box-shadow: var(--shadow-soft);
  transform: translateY(-5px);
}

.post-visual {
  position: relative;
  min-height: 230px;
  padding: 24px;
  overflow: hidden;
  color: var(--white);
  background: var(--charcoal);
}

.post-visual::before,
.post-visual::after {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  content: "";
}

.post-visual::before {
  right: -30px;
  bottom: -74px;
  width: 210px;
  height: 210px;
}

.post-visual::after {
  right: 47px;
  bottom: -28px;
  width: 112px;
  height: 112px;
}

.post-visual span {
  position: relative;
  z-index: 2;
  display: inline-flex;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.post-number {
  position: absolute;
  z-index: 2;
  right: 24px;
  bottom: 16px;
  color: rgba(255, 255, 255, 0.16);
  font-size: 5.5rem;
  font-weight: 800;
  letter-spacing: -0.08em;
  line-height: 1;
}

.post-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 26px;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-bottom: 16px;
  color: var(--graphite);
  font-size: 0.8rem;
  font-weight: 700;
}

.post-card h3 {
  margin-bottom: 16px;
  font-size: 1.45rem;
}

.post-card p {
  font-size: 0.94rem;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: auto;
  padding-top: 8px;
  font-weight: 800;
}

.featured-logos {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  border-left: 1px solid rgba(255, 255, 255, 0.18);
}

.featured-logo {
  display: grid;
  min-height: 170px;
  place-items: center;
  padding: 30px;
  border-right: 1px solid rgba(255, 255, 255, 0.18);
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.92);
  font-size: clamp(1.45rem, 3vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  text-align: center;
}

.quote-block {
  padding: 54px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--white);
}

.quote-block blockquote {
  margin: 0 0 24px;
  font-size: clamp(1.55rem, 3vw, 2.9rem);
  font-weight: 720;
  letter-spacing: -0.04em;
  line-height: 1.25;
}

.quote-block cite {
  color: var(--graphite);
  font-style: normal;
  font-weight: 700;
}

/* Page hero */
.page-hero {
  padding: 74px 0 84px;
  background: var(--paper);
}

.page-hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 70px;
}

.page-hero h1 {
  font-size: clamp(3rem, 6vw, 5.9rem);
}

.page-hero-photo {
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.page-hero-photo img {
  width: 100%;
  aspect-ratio: 1.05 / 1;
  object-fit: cover;
  object-position: center 20%;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 46px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.stat {
  min-height: 130px;
  padding: 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.stat strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.55rem;
  letter-spacing: -0.04em;
}

.stat span {
  color: var(--graphite);
  font-size: 0.86rem;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 76px;
}

.prose {
  max-width: 790px;
}

.prose h2 {
  margin-top: 56px;
  font-size: clamp(2rem, 3vw, 3.15rem);
}

.prose h3 {
  margin-top: 38px;
}

.prose p,
.prose li {
  font-size: 1.04rem;
}

.prose ul,
.prose ol {
  margin: 0 0 26px;
  padding-left: 22px;
  color: var(--graphite);
}

.sidebar-card {
  position: sticky;
  top: 120px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--paper);
}

.sidebar-card h3 {
  font-size: 1.35rem;
}

.sidebar-card ul {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.sidebar-card a {
  color: var(--graphite);
  font-size: 0.92rem;
  font-weight: 700;
}

.sidebar-card a:hover {
  color: var(--ink);
}

.timeline {
  display: grid;
  gap: 0;
  margin-top: 44px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 40px;
  padding: 34px 0;
  border-top: 1px solid var(--line);
}

.timeline-label {
  color: var(--graphite);
  font-size: 0.79rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.timeline-item p:last-child {
  margin-bottom: 0;
}

/* Press */
.press-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.press-card {
  display: grid;
  min-height: 300px;
  grid-template-rows: auto 1fr auto;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.press-card:hover {
  box-shadow: var(--shadow-soft);
  transform: translateY(-4px);
}

.press-source {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 52px;
  color: var(--graphite);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.press-card h3 {
  max-width: 520px;
  font-size: clamp(1.55rem, 2.4vw, 2.35rem);
}

.press-card p {
  max-width: 560px;
}

.notice {
  margin-bottom: 30px;
  padding: 18px 20px;
  border-left: 3px solid var(--ink);
  background: var(--paper);
  color: var(--graphite);
  font-size: 0.92rem;
}

/* Blog */
.blog-controls {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 24px;
  margin-bottom: 36px;
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.filter-chip {
  padding: 10px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--graphite);
  background: var(--white);
  font-size: 0.84rem;
  font-weight: 800;
  cursor: pointer;
}

.filter-chip:hover,
.filter-chip.is-active {
  color: var(--white);
  background: var(--ink);
  border-color: var(--ink);
}

.search-box {
  position: relative;
  width: min(100%, 330px);
}

.search-box input {
  width: 100%;
  min-height: 46px;
  padding: 12px 42px 12px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  outline: none;
  background: var(--white);
}

.search-box input:focus {
  border-color: var(--ink);
}

.search-box svg {
  position: absolute;
  top: 50%;
  right: 15px;
  width: 18px;
  height: 18px;
  color: var(--graphite);
  transform: translateY(-50%);
}

.post-card[hidden] {
  display: none;
}

.featured-article {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  overflow: hidden;
  border-radius: var(--radius-lg);
  color: var(--white);
  background: var(--ink);
}

.featured-article-image {
  min-height: 520px;
}

.featured-article-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 18%;
  filter: grayscale(1);
}

.featured-article-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(38px, 6vw, 74px);
}

.featured-article-copy p {
  color: rgba(255, 255, 255, 0.68);
}

/* FAQ */
.faq-list {
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-question {
  display: grid;
  width: 100%;
  grid-template-columns: 1fr 32px;
  align-items: center;
  gap: 24px;
  padding: 28px 0;
  border: 0;
  color: var(--ink);
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.faq-question span:first-child {
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  font-weight: 760;
  letter-spacing: -0.02em;
}

.faq-icon {
  position: relative;
  width: 28px;
  height: 28px;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.faq-icon::before,
.faq-icon::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 1px;
  content: "";
  background: var(--ink);
  transform: translate(-50%, -50%);
  transition: transform 0.2s ease;
}

.faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-question[aria-expanded="true"] .faq-icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer-inner {
  max-width: 850px;
  padding: 0 54px 28px 0;
}

.faq-answer-inner p:last-child {
  margin-bottom: 0;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 70px;
}

.contact-card {
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--paper);
}

.contact-list {
  display: grid;
  gap: 0;
  margin-top: 32px;
  border-top: 1px solid var(--line);
}

.contact-row {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.contact-row span {
  display: block;
  margin-bottom: 5px;
  color: var(--graphite);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.contact-row strong,
.contact-row a {
  font-size: 1.05rem;
  font-weight: 760;
}

.form-card {
  padding: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
  box-shadow: var(--shadow-soft);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.field {
  display: grid;
  gap: 8px;
}

.field-full {
  grid-column: 1 / -1;
}

.field label {
  font-size: 0.83rem;
  font-weight: 800;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  min-height: 52px;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: 10px;
  outline: none;
  color: var(--ink);
  background: var(--white);
}

.field textarea {
  min-height: 150px;
  resize: vertical;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  border-color: var(--ink);
  box-shadow: 0 0 0 3px rgba(10, 10, 11, 0.07);
}

.form-status {
  display: none;
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 10px;
  background: var(--paper);
  color: var(--ink);
  font-weight: 700;
}

.form-status.is-visible {
  display: block;
}

/* CTA and footer */
.cta-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 40px;
  padding: 56px;
  border-radius: var(--radius-lg);
  color: var(--white);
  background: var(--ink);
}

.cta-panel h2 {
  max-width: 760px;
  margin-bottom: 14px;
  font-size: clamp(2.2rem, 4vw, 4.2rem);
}

.cta-panel p {
  max-width: 670px;
  margin-bottom: 0;
}

.site-footer {
  color: var(--white);
  background: var(--charcoal);
}

.footer-main {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr 0.75fr;
  gap: 70px;
  padding: 76px 0 56px;
}

.footer-brand img {
  width: 260px;
  filter: invert(1);
}

.footer-brand p {
  max-width: 480px;
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.62);
}

.footer-column h3 {
  margin-bottom: 20px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.76rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.footer-links {
  display: grid;
  gap: 11px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.78);
  font-weight: 650;
}

.footer-links a:hover {
  color: var(--white);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 0 34px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.82rem;
}

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

/* Article */
.article-hero {
  padding: 76px 0;
  background: var(--paper);
}

.article-header {
  max-width: 940px;
  margin-inline: auto;
  text-align: center;
}

.article-header h1 {
  font-size: clamp(3rem, 6vw, 5.7rem);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 18px;
  margin-top: 24px;
  color: var(--graphite);
  font-size: 0.88rem;
  font-weight: 700;
}

.article-image {
  width: min(calc(100% - 40px), 1180px);
  margin: -20px auto 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.article-image img {
  width: 100%;
  max-height: 680px;
  object-fit: cover;
  object-position: center 15%;
}

.article-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 760px) 1fr;
  gap: 54px;
  padding: 80px 0;
}

.article-toc {
  position: sticky;
  top: 120px;
  align-self: start;
  padding-right: 26px;
  border-right: 1px solid var(--line);
}

.article-toc h2 {
  margin-bottom: 18px;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.article-toc ol {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 18px;
  color: var(--graphite);
  font-size: 0.88rem;
}

.article-body h2 {
  margin-top: 56px;
  font-size: clamp(2rem, 3vw, 3rem);
}

.article-body h2:first-child {
  margin-top: 0;
}

.article-body h3 {
  margin-top: 34px;
}

.article-body p,
.article-body li {
  font-size: 1.08rem;
  line-height: 1.82;
}

.article-body ul,
.article-body ol {
  color: var(--graphite);
}

.callout {
  margin: 38px 0;
  padding: 28px;
  border-left: 4px solid var(--ink);
  background: var(--paper);
}

.callout strong {
  display: block;
  margin-bottom: 8px;
}

.author-card {
  position: sticky;
  top: 120px;
  align-self: start;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.author-card img {
  width: 86px;
  height: 86px;
  margin-bottom: 18px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 20%;
}

.author-card h3 {
  font-size: 1.2rem;
}

.author-card p {
  font-size: 0.88rem;
}

/* Responsive */
@media (max-width: 1080px) {
  .header-inner {
    grid-template-columns: 210px 1fr auto;
  }

  .desktop-nav {
    gap: 20px;
  }

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

  .hero-grid,
  .page-hero-grid {
    gap: 42px;
  }

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

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

  .split-grid {
    gap: 52px;
  }

  .article-layout {
    grid-template-columns: 210px minmax(0, 1fr);
  }

  .author-card {
    display: none;
  }
}

@media (max-width: 900px) {
  :root {
    --header-height: 76px;
  }

  .section {
    padding: 82px 0;
  }

  .header-inner {
    min-height: var(--header-height);
    grid-template-columns: 1fr auto;
  }

  .brand img {
    width: 205px;
  }

  .desktop-nav,
  .header-actions .button {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .hero {
    padding-top: 26px;
  }

  .hero-grid,
  .page-hero-grid,
  .split-grid,
  .contact-grid,
  .featured-article,
  .content-grid {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 18px;
  }

  .hero-copy {
    padding: 38px 0 12px;
  }

  .hero-visual {
    min-height: 610px;
  }

  .hero-photo {
    inset: 0 6% 0 6%;
  }

  .hero-badge {
    right: 2%;
  }

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

  .credibility-item:nth-child(odd) {
    border-left: 1px solid var(--line);
  }

  .section-heading {
    display: block;
  }

  .section-heading .button {
    margin-top: 18px;
  }

  .image-frame {
    max-width: 680px;
  }

  .page-hero-photo {
    max-width: 700px;
  }

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

  .sidebar-card {
    position: static;
  }

  .footer-main {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .article-layout {
    grid-template-columns: 1fr;
    padding-top: 54px;
  }

  .article-toc {
    position: static;
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--paper);
  }
}

@media (max-width: 680px) {
  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .section {
    padding: 68px 0;
  }

  .section-sm {
    padding: 52px 0;
  }

  h1 {
    font-size: clamp(2.75rem, 14vw, 4.1rem);
  }

  h2 {
    font-size: clamp(2.15rem, 11vw, 3.25rem);
  }

  .lead {
    font-size: 1rem;
  }

  .hero-grid {
    min-height: auto;
  }

  .hero-visual {
    min-height: 500px;
  }

  .hero-photo {
    inset: 0;
    border-radius: 160px 160px 24px 24px;
  }

  .hero-badge {
    right: 10px;
    bottom: 18px;
    width: 132px;
    min-height: 132px;
    padding: 16px;
  }

  .hero-badge strong {
    font-size: 0.92rem;
  }

  .hero-badge span {
    font-size: 0.62rem;
  }

  .credibility-grid,
  .topic-grid,
  .posts-grid,
  .press-grid,
  .featured-logos,
  .stat-grid,
  .footer-main,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .credibility-item,
  .credibility-item:first-child,
  .credibility-item:nth-child(odd) {
    border-left: 1px solid var(--line);
  }

  .topic-card {
    min-height: 280px;
  }

  .topic-number {
    margin-bottom: 58px;
  }

  .image-frame::before {
    inset: 16px -10px -16px 10px;
  }

  .quote-block,
  .form-card,
  .contact-card {
    padding: 26px;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .blog-controls {
    grid-template-columns: 1fr;
  }

  .search-box {
    width: 100%;
  }

  .featured-article-image {
    min-height: 410px;
  }

  .cta-panel {
    grid-template-columns: 1fr;
    padding: 34px 26px;
  }

  .cta-panel .button {
    width: 100%;
  }

  .footer-main {
    gap: 38px;
  }

  .footer-bottom {
    display: grid;
  }

  .footer-brand img {
    width: 230px;
  }

  .article-image {
    width: min(calc(100% - 28px), 1180px);
  }

  .article-hero {
    padding: 54px 0;
  }

  .article-header h1 {
    font-size: clamp(2.55rem, 12vw, 4rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}