:root {
  color-scheme: light;
  --cp-bg: #f6f7f9;
  --cp-bg-elevated: #ffffff;
  --cp-surface: #ffffff;
  --cp-surface-soft: #eef3f8;
  --cp-border: #d7dde6;
  --cp-border-strong: #7a8ba3;
  --cp-text: #172033;
  --cp-text-muted: #536175;
  --cp-text-soft: #6c7889;
  --cp-accent: #00a9e0;
  --cp-accent-hover: #254f86;
  --cp-accent-soft: rgba(0, 169, 224, 0.1);
  --cp-accent-fg: #ffffff;
  --cp-success: #00b050;
  --cp-danger: #dc2626;
  --cp-warning: #f59e0b;
  --cp-link: #254f86;
  --cp-shadow: 0 18px 48px rgba(23, 32, 51, 0.12);
  --cp-overlay: rgba(255, 255, 255, 0.8);
  --cp-panel: rgba(255, 255, 255, 0.86);
  --cp-panel-strong: rgba(255, 255, 255, 0.96);
  --cp-sheen: rgba(255, 255, 255, 0.55);
  --cp-highlight: rgba(0, 176, 80, 0.12);
}

html[data-theme="dark"] {
  color-scheme: dark;
  --cp-bg: #0b1220;
  --cp-bg-elevated: #101a2e;
  --cp-surface: #121d33;
  --cp-surface-soft: #172642;
  --cp-border: #263957;
  --cp-border-strong: #4c668d;
  --cp-text: #f3f7fb;
  --cp-text-muted: #bdcadb;
  --cp-text-soft: #d7e6f7;
  --cp-accent: #00a9e0;
  --cp-accent-hover: #00b050;
  --cp-accent-soft: rgba(0, 169, 224, 0.16);
  --cp-accent-fg: #07111f;
  --cp-success: #00b050;
  --cp-danger: #f87171;
  --cp-warning: #fbbf24;
  --cp-link: #8ecbf0;
  --cp-shadow: 0 18px 48px rgba(0, 0, 0, 0.32);
  --cp-overlay: rgba(41, 41, 41, 0.88);
  --cp-panel: rgba(41, 41, 41, 0.72);
  --cp-panel-strong: rgba(41, 41, 41, 0.96);
  --cp-sheen: rgba(255, 255, 255, 0.04);
  --cp-highlight: rgba(0, 176, 80, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background:
    linear-gradient(120deg, var(--cp-bg-elevated), var(--cp-bg) 42%, var(--cp-surface-soft)),
    var(--cp-bg);
  color: var(--cp-text);
  font-family: Aptos, "Segoe UI", Calibri, -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.55;
  margin: 0;
}

a {
  color: var(--cp-link);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

h1 {
  font-size: clamp(2.75rem, 4.75vw, 4.55rem);
  letter-spacing: -0.052em;
  line-height: 1.03;
  margin-bottom: 24px;
  max-width: 960px;
}

h2 {
  font-size: clamp(1.75rem, 2.85vw, 2.85rem);
  letter-spacing: -0.04em;
  line-height: 1.08;
  margin-bottom: 18px;
}

h3 {
  font-size: 1.42rem;
  letter-spacing: -0.025em;
  line-height: 1.12;
  margin-bottom: 12px;
}

p {
  margin-bottom: 0;
}

.site-header {
  align-items: center;
  background: var(--cp-panel-strong);
  border-bottom: 1px solid var(--cp-border);
  display: flex;
  justify-content: space-between;
  padding: 14px clamp(20px, 5vw, 72px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand img {
  display: block;
  height: 42px;
  width: auto;
}

nav {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: flex-end;
}

nav a {
  color: var(--cp-text);
  font-family: Aptos, "Segoe UI Variable Text", "Segoe UI", Calibri, -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 0.82rem;
  font-weight: 650;
  letter-spacing: 0.01em;
}

.login-link {
  border: 1px solid var(--cp-border);
  border-radius: 999px;
  color: var(--cp-text-muted);
  padding: 8px 12px;
}

.login-link:hover {
  background: var(--cp-surface-soft);
  color: var(--cp-text);
  text-decoration: none;
}

.nav-cta {
  background: var(--cp-accent-hover);
  border-radius: 0.625rem;
  color: var(--cp-accent-fg);
  font-weight: 750;
  padding: 10px 16px;
}

.nav-cta:hover {
  background: var(--cp-accent-hover);
  color: var(--cp-accent-fg);
  text-decoration: none;
}

main,
footer {
  margin: 0 auto;
  max-width: 1480px;
  padding-left: clamp(20px, 5vw, 72px);
  padding-right: clamp(20px, 5vw, 72px);
}

.hero {
  align-items: start;
  display: grid;
  gap: clamp(28px, 4.8vw, 66px);
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  min-height: 0;
  padding: clamp(38px, 5.6vw, 64px) 0 40px;
}

.hero-content {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.hero-logo {
  display: block;
  height: auto;
  margin-bottom: clamp(16px, 2.4vw, 26px);
  max-width: 220px;
  width: min(220px, 48vw);
}

.hero-copy {
  color: var(--cp-text-muted);
  font-size: clamp(1.08rem, 1.72vw, 1.32rem);
  max-width: 790px;
}

.secondary-copy {
  margin-top: 18px;
}

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

.button {
  border: 1px solid var(--cp-border-strong);
  border-radius: 0.625rem;
  display: inline-flex;
  font-weight: 800;
  justify-content: center;
  padding: 13px 18px;
}

.button:hover {
  text-decoration: none;
}

.button.primary {
  background: var(--cp-accent-hover);
  border-color: var(--cp-accent-hover);
  color: var(--cp-accent-fg);
}

.button.primary:hover {
  background: var(--cp-text);
  border-color: var(--cp-text);
  color: var(--cp-accent-fg);
}

.button.secondary {
  background: var(--cp-surface);
  color: var(--cp-text);
}

.hero-panel,
.proof-strip,
.problem-grid article,
.practice-grid article,
.offer-grid article,
.systems-section,
.experience-grid article,
.radar-card,
.latest-card,
.guide-grid article,
.about-section,
.contact-form {
  background: var(--cp-surface);
  border: 1px solid var(--cp-border);
  border-radius: 16px;
  box-shadow: 0 0 2px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.14);
}

.hero-panel {
  align-self: start;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
  padding: clamp(26px, 3vw, 36px);
  position: relative;
}

.newsletter-hero {
  align-items: center;
  display: grid;
  gap: clamp(28px, 6vw, 72px);
  grid-template-columns: minmax(0, 0.78fr) minmax(420px, 1.22fr);
  min-height: 560px;
  padding: clamp(54px, 8vw, 94px) 0 38px;
}

.newsletter-hero-copy {
  max-width: 690px;
}

.newsletter-hero-art {
  align-self: center;
  background: var(--cp-surface-soft);
  border: 1px solid var(--cp-border);
  border-radius: 16px;
  box-shadow: 0 0 2px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.14);
  margin: 0;
  overflow: visible;
  padding: 18px;
}

.newsletter-hero-art img {
  aspect-ratio: 16 / 9;
  border-radius: 12px;
  display: block;
  height: auto;
  max-height: none;
  object-fit: contain;
  object-position: top center;
  width: 100%;
}

.hero-panel::before,
.systems-section::before {
  background: linear-gradient(90deg, var(--cp-accent-hover), var(--cp-accent), var(--cp-success));
  content: "";
  height: 10px;
  inset: 0 0 auto;
  position: absolute;
}

.hero-panel h2 {
  font-size: clamp(1.85rem, 2.65vw, 2.65rem);
  margin-bottom: 16px;
}

.hero-panel p {
  color: var(--cp-text-muted);
  font-size: 1rem;
}

.panel-kicker,
.eyebrow,
.proof-strip span,
.problem-grid span,
.offer-grid span,
.systems-grid span,
.experience-grid span,
.guide-grid span,
.contact-form label > span {
  color: var(--cp-accent);
  display: block;
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.model-steps {
  display: grid;
  gap: 10px;
  margin-top: 24px;
  padding-top: 0;
}

.model-steps div {
  background: var(--cp-surface-soft);
  border: 1px solid var(--cp-border);
  border-radius: 0.625rem;
  display: grid;
  gap: 5px 12px;
  grid-template-columns: 44px 1fr;
  padding: 14px;
}

.model-steps span {
  align-items: center;
  background: var(--cp-accent-hover);
  border-radius: 0.625rem;
  color: var(--cp-surface);
  display: inline-flex;
  font-size: 0.8rem;
  font-weight: 900;
  height: 36px;
  justify-content: center;
  width: 36px;
}

.model-steps small {
  color: var(--cp-text-muted);
  grid-column: 2;
  line-height: 1.35;
}

.proof-strip {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  overflow: visible;
}

.proof-strip div {
  background: var(--cp-panel-strong);
  border: 1px solid var(--cp-border);
  border-radius: 14px;
  display: grid;
  gap: 16px;
  min-height: 112px;
  padding: 26px 24px 24px;
}

.proof-strip strong {
  display: block;
  font-size: 1.3rem;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 0;
}

.proof-strip span {
  border-top: 1px solid var(--cp-border);
  line-height: 1.35;
  padding-top: 14px;
}

.section {
  padding: 64px 0;
}

.section-heading {
  max-width: 920px;
}

.section-heading-split {
  border-left: 5px solid var(--cp-accent);
  display: block;
  max-width: 980px;
  padding-left: 24px;
}

.section-heading-split .eyebrow {
  margin-bottom: 16px;
}

.section-heading-split h2 {
  margin-bottom: 16px;
}

.section-heading-split p {
  font-size: 1.02rem;
  max-width: 760px;
}

.section-heading .eyebrow {
  margin-bottom: 14px;
}

.section-heading p,
.problem-grid p,
.practice-grid p,
.practice-grid li,
.offer-grid p,
.systems-section p,
.experience-grid p,
.radar-card p,
.guide-grid p,
.about-section p,
.contact-intro p {
  color: var(--cp-text-muted);
}

.experience-section .section-heading p + p {
  margin-top: 14px;
}

.problem-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 34px;
}

.problem-grid article {
  display: flex;
  flex-direction: column;
  min-height: 232px;
  overflow: hidden;
  padding: clamp(28px, 2.8vw, 38px);
  position: relative;
}

.problem-grid article::before,
.practice-grid article::before,
.guide-grid article::before {
  background: linear-gradient(90deg, var(--cp-accent-hover), var(--cp-accent), var(--cp-success));
  content: "";
  height: 5px;
  inset: 0 0 auto;
  position: absolute;
}

.problem-grid span {
  border-bottom: 1px solid var(--cp-border);
  margin-bottom: 22px;
  padding-bottom: 16px;
}

.problem-grid h3 {
  max-width: 540px;
  margin-bottom: 16px;
  padding-top: 0;
}

.practice-section,
.experience-section,
.guide-section {
  border-top: 1px solid var(--cp-border);
}

.practice-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 34px;
}

.practice-grid article {
  display: flex;
  flex-direction: column;
  min-height: 445px;
  overflow: hidden;
  padding: clamp(28px, 2.8vw, 38px);
  position: relative;
}

.practice-grid article:nth-child(2) {
  background: var(--cp-bg-elevated);
}

.card-number {
  border-bottom: 1px solid var(--cp-border);
  color: var(--cp-accent);
  display: block;
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  line-height: 1.2;
  margin-bottom: 24px;
  padding-bottom: 18px;
  text-transform: uppercase;
}

.practice-grid h3 {
  margin-bottom: 16px;
}

.practice-grid ul {
  border-top: 1px solid var(--cp-border);
  margin: 24px 0 0;
  padding: 20px 0 0 20px;
}

.practice-grid li + li {
  margin-top: 8px;
}

.offer-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 34px;
}

.offer-grid article {
  display: flex;
  flex-direction: column;
  min-height: 430px;
  padding: clamp(22px, 3vw, 32px);
}

.offer-grid h3 {
  margin-top: 0;
}

.text-link {
  color: var(--cp-text);
  display: inline-flex;
  font-weight: 900;
  margin-top: auto;
}

.text-link::after {
  content: " ->";
  color: var(--cp-accent);
}

.systems-section {
  display: grid;
  gap: clamp(28px, 5vw, 70px);
  grid-template-columns: 0.86fr 1.14fr;
  margin: 82px 0;
  overflow: hidden;
  padding: clamp(32px, 5vw, 58px);
  position: relative;
}

.systems-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.systems-grid article {
  background: var(--cp-surface-soft);
  border: 1px solid var(--cp-border);
  border-radius: 16px;
  min-height: 300px;
  padding: 28px;
}

.experience-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 34px;
}

.experience-grid article {
  padding: clamp(24px, 3vw, 34px);
}

.radar-card,
.latest-card {
  align-items: center;
  display: grid;
  gap: 32px;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 1.15fr);
  overflow: hidden;
  padding: clamp(32px, 5vw, 58px);
  position: relative;
}

.radar-copy,
.latest-copy {
  position: relative;
  z-index: 1;
}

.radar-actions {
  justify-content: flex-start;
}

.radar-art,
.latest-art {
  align-self: stretch;
  background: var(--cp-surface-soft);
  border: 1px solid var(--cp-border);
  border-radius: 16px;
  margin: 0;
  overflow: visible;
  padding: 12px;
  position: relative;
  z-index: 1;
}

.radar-art img,
.latest-art img {
  display: block;
  height: auto;
  object-fit: contain;
  object-position: center;
  width: 100%;
}

.latest-section {
  padding-top: 24px;
}

.latest-card {
  grid-template-columns: minmax(360px, 0.94fr) minmax(0, 1.06fr);
  padding: clamp(24px, 4vw, 42px);
}

.latest-art {
  align-self: center;
  aspect-ratio: 16 / 9;
  padding: 18px;
}

.latest-art img {
  border-radius: 12px;
  object-fit: contain;
}

.latest-copy h2 {
  font-size: clamp(1.8rem, 3vw, 3rem);
  max-width: 720px;
}

.newsletter-archive {
  display: grid;
  gap: 20px;
}

.article-card,
.issue-preview-grid article {
  background: var(--cp-surface);
  border: 1px solid var(--cp-border);
  border-radius: 16px;
  box-shadow: 0 0 2px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.14);
}

.issue-feature {
  align-items: end;
  display: grid;
  gap: 28px;
  grid-template-columns: minmax(0, 1fr) auto;
  padding: clamp(28px, 4vw, 48px);
}

.issue-feature h2 {
  max-width: 980px;
}

.issue-feature p {
  color: var(--cp-text-muted);
  max-width: 760px;
}

.issue-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.issue-tags span {
  background: var(--cp-accent-soft);
  border: 1px solid var(--cp-border);
  border-radius: 999px;
  color: var(--cp-text);
  font-size: 0.82rem;
  font-weight: 800;
  padding: 8px 12px;
}

.issue-preview-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.issue-preview-grid article {
  min-height: 220px;
  padding: 26px;
}

.issue-preview-grid strong {
  display: block;
  font-size: 1.26rem;
  letter-spacing: -0.025em;
  line-height: 1.14;
  margin: 12px 0;
}

.issue-preview-grid p {
  color: var(--cp-text-muted);
}

.matrix-label {
  color: var(--cp-accent);
  display: block;
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.guide-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 34px;
}

.guide-grid article {
  overflow: hidden;
  padding: 32px 28px 28px;
  position: relative;
}

.guide-grid span {
  border-bottom: 1px solid var(--cp-border);
  margin-bottom: 26px;
  padding-bottom: 18px;
}

.about-section {
  align-items: start;
  display: grid;
  gap: 32px;
  grid-template-columns: 0.82fr 1.18fr;
  padding: clamp(32px, 5vw, 56px);
}

.about-section p + p {
  margin-top: 18px;
}

.contact-section {
  align-items: start;
  border-top: 1px solid var(--cp-border);
  display: grid;
  gap: clamp(28px, 5vw, 70px);
  grid-template-columns: 0.82fr 1.18fr;
}

.contact-form {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding: clamp(24px, 4vw, 40px);
}

.contact-form label {
  display: grid;
  gap: 8px;
}

.contact-form .wide {
  grid-column: 1 / -1;
}

input,
select,
textarea {
  background: var(--cp-bg-elevated);
  border: 1px solid var(--cp-border);
  border-radius: 0.625rem;
  color: var(--cp-text);
  font: inherit;
  padding: 13px 14px;
  width: 100%;
}

textarea {
  resize: vertical;
}

footer {
  align-items: center;
  border-top: 1px solid var(--cp-border);
  color: var(--cp-text-muted);
  display: flex;
  justify-content: space-between;
  margin-top: 54px;
  padding-bottom: 24px;
  padding-top: 24px;
}

@media (min-width: 1181px) {
  .hero-panel .model-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-panel .model-steps div {
    grid-template-columns: 1fr;
  }

  .hero-panel .model-steps small {
    grid-column: auto;
  }
}

@media (max-width: 1180px) {
  .hero,
  .newsletter-hero,
  .systems-section,
  .about-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 0;
  }

  .section-heading-split,
  .problem-grid,
  .offer-grid {
    grid-template-columns: 1fr;
  }

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

  .issue-feature {
    align-items: start;
    grid-template-columns: 1fr;
  }

  .radar-card {
    grid-template-columns: 1fr;
  }

  .latest-card {
    grid-template-columns: 1fr;
  }

  .radar-art img,
  .latest-art img {
    height: auto;
  }
}

@media (max-width: 860px) {
  .site-header,
  nav,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    gap: 12px;
  }

  h1 {
    font-size: clamp(3.1rem, 14vw, 5rem);
  }

  .proof-strip,
  .problem-grid,
  .practice-grid,
  .offer-grid,
  .systems-grid,
  .experience-grid,
  .issue-preview-grid,
  .guide-grid,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    min-height: 0;
  }

  .model-steps div {
    grid-template-columns: 1fr;
  }

  .model-steps small {
    grid-column: auto;
  }
}