:root {
  --ink: #171717;
  --muted: #5a5f67;
  --paper: #fbfbf8;
  --panel: #ffffff;
  --line: #d9ddd5;
  --green: #2f6f4e;
  --cyan: #1c6b7c;
  --coral: #d84f3a;
  --gold: #b88b00;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px clamp(18px, 4vw, 56px);
  color: #ffffff;
  text-shadow: 0 1px 14px rgba(0, 0, 0, 0.5);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  text-decoration: none;
}

.brand img {
  width: 44px;
  height: 34px;
  object-fit: contain;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.9);
}

nav {
  display: flex;
  gap: 16px;
  font-size: 0.95rem;
  font-weight: 700;
}

nav a {
  text-decoration: none;
}

.hero {
  position: relative;
  min-height: 88vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: #ffffff;
  background: #121212;
}

.hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.96) contrast(1.02);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.76), rgba(0, 0, 0, 0.36) 48%, rgba(0, 0, 0, 0.08)),
    linear-gradient(0deg, rgba(0, 0, 0, 0.72), rgba(0, 0, 0, 0.05) 58%);
}

.hero-overlay {
  position: relative;
  z-index: 1;
  width: min(760px, calc(100% - 36px));
  padding: 0 0 clamp(52px, 9vh, 96px) clamp(18px, 5vw, 72px);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--coral);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #7ee0c2;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 12ch;
  margin: 0;
  font-size: clamp(3rem, 9vw, 7.2rem);
  line-height: 0.9;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 660px;
  margin: 24px 0 30px;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  color: rgba(255, 255, 255, 0.9);
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 2px solid #ffffff;
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  font-weight: 850;
  text-decoration: none;
  text-shadow: none;
}

.section {
  padding: clamp(56px, 8vw, 104px) clamp(18px, 5vw, 72px);
}

.section-heading {
  display: grid;
  gap: 8px;
  max-width: 820px;
  margin-bottom: 32px;
}

h2 {
  margin: 0;
  max-width: 14ch;
  font-size: clamp(2.3rem, 5vw, 5rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(210px, 1fr));
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 12px;
  scroll-snap-type: x proximity;
}

.resource-card {
  min-height: 320px;
  display: grid;
  align-content: space-between;
  gap: 24px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  scroll-snap-align: start;
}

.resource-card:nth-child(2n) {
  border-top: 6px solid var(--green);
}

.resource-card:nth-child(3n) {
  border-top: 6px solid var(--cyan);
}

.resource-card:nth-child(4n) {
  border-top: 6px solid var(--gold);
}

.resource-card:nth-child(5n) {
  border-top: 6px solid var(--coral);
}

.resource-letter {
  margin: 0;
  color: var(--coral);
  font-size: 0.9rem;
  font-weight: 900;
}

.resource-card h3 {
  margin: 0;
  font-size: 1.55rem;
  line-height: 1.03;
  letter-spacing: 0;
}

.resource-card p:last-child {
  margin: 0;
  color: var(--muted);
}

.template-section {
  background: #ffffff;
  border-top: 1px solid var(--line);
}

.template-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.template-actions-bottom {
  margin: 24px 0 0;
}

.template-button {
  border-color: var(--ink);
  cursor: pointer;
  font: inherit;
}

.template-button-dark {
  background: var(--ink);
  color: #ffffff;
}

.essay-template {
  display: grid;
  gap: 18px;
}

.template-block,
.template-field {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.template-block {
  display: grid;
  gap: 16px;
  padding: clamp(20px, 3vw, 34px);
}

.template-block-heading {
  display: grid;
  gap: 8px;
  max-width: 780px;
}

.template-block-heading h3 {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2.35rem);
  line-height: 1.04;
}

.template-field {
  display: grid;
  gap: 8px;
  padding: 18px;
}

.template-field span {
  font-weight: 850;
}

.template-field small {
  color: var(--muted);
  font-size: 0.95rem;
}

.template-field textarea {
  width: 100%;
  min-height: 96px;
  resize: vertical;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  font: inherit;
  line-height: 1.5;
}

.template-field textarea:focus {
  outline: 3px solid rgba(28, 107, 124, 0.22);
  border-color: var(--cyan);
}

.template-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.process-section {
  background: #ffffff;
  border-top: 1px solid var(--line);
}

.section-heading p:last-child {
  max-width: 640px;
  margin: 0;
  color: var(--muted);
  font-size: 1.08rem;
}

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

.process-step {
  display: grid;
  grid-template-columns: minmax(92px, 0.22fr) minmax(160px, 0.58fr) minmax(0, 1.4fr);
  gap: clamp(16px, 3vw, 36px);
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.step-label {
  margin: 0;
  color: var(--coral);
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
}

.process-step h3,
.subject-panel h3 {
  margin: 0;
  font-size: clamp(1.4rem, 3vw, 2.3rem);
  line-height: 1.03;
}

.process-step ul,
.draft-structure ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.process-step li + li,
.draft-structure li + li {
  margin-top: 8px;
}

.draft-structure {
  display: grid;
  gap: 18px;
}

.draft-structure h4 {
  margin: 0 0 8px;
  color: var(--green);
  font-size: 0.98rem;
}

.subject-panel {
  margin-top: 32px;
  padding: clamp(22px, 4vw, 42px);
  border-radius: 8px;
  background: #171717;
  color: #ffffff;
}

.subject-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.subject-grid p {
  min-height: 118px;
  margin: 0;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.78);
}

.subject-grid strong {
  color: #ffffff;
}

.introduction-section {
  background: #f6f8f5;
  border-top: 1px solid var(--line);
}

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

.guidance-card,
.component-card,
.hook-grid article,
.sample-panel,
.intro-checklist {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.guidance-card {
  padding: clamp(22px, 3vw, 34px);
  border-top: 6px solid var(--green);
}

.guidance-card-muted {
  border-top-color: var(--coral);
}

.guidance-card h3,
.component-card h3,
.hook-panel h3,
.sample-panel h3,
.intro-checklist h3 {
  margin: 0;
  font-size: clamp(1.35rem, 3vw, 2rem);
  line-height: 1.04;
}

.guidance-card ul,
.intro-checklist ul {
  margin: 18px 0 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.guidance-card li + li,
.intro-checklist li + li {
  margin-top: 10px;
}

.component-stack {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.component-card {
  display: grid;
  grid-template-columns: minmax(92px, 0.2fr) minmax(220px, 0.56fr) minmax(0, 1.3fr);
  gap: clamp(16px, 3vw, 36px);
  align-items: start;
  padding: clamp(20px, 3vw, 30px);
}

.component-card p:last-child,
.hook-grid p,
.sample-panel p {
  margin: 0;
  color: var(--muted);
}

.hook-panel {
  display: grid;
  gap: 24px;
  margin-top: 34px;
}

.hook-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.hook-grid article {
  padding: 20px;
}

.hook-grid h4 {
  margin: 0 0 10px;
  color: var(--cyan);
  font-size: 1rem;
}

.wide-card {
  grid-column: 1 / -1;
}

.sample-panel,
.intro-checklist {
  margin-top: 18px;
  padding: clamp(22px, 3vw, 34px);
}

.sample-panel p {
  max-width: 940px;
  margin-top: 18px;
  font-size: 1.08rem;
}

mark {
  padding: 0 3px;
  border-radius: 4px;
  color: inherit;
}

.highlight-hook {
  background: rgba(47, 111, 78, 0.22);
}

.highlight-context {
  background: rgba(184, 139, 0, 0.2);
}

.highlight-thesis {
  background: rgba(28, 107, 124, 0.22);
}

.legend {
  display: inline-block;
  width: 0.9rem;
  height: 0.9rem;
  margin-right: 8px;
  border-radius: 4px;
  vertical-align: -0.1rem;
}

.legend-hook {
  background: rgba(47, 111, 78, 0.32);
}

.legend-context {
  background: rgba(184, 139, 0, 0.32);
}

.legend-thesis {
  background: rgba(28, 107, 124, 0.32);
}

.thesis-section {
  background: #ffffff;
  border-top: 1px solid var(--line);
}

.definition-panel,
.formula-panel,
.discipline-panel,
.example-bank {
  margin-bottom: 18px;
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.definition-panel {
  background: #171717;
  color: #ffffff;
}

.definition-panel h3,
.formula-panel h3,
.discipline-panel h3,
.example-bank h3 {
  margin: 0;
  font-size: clamp(1.45rem, 3vw, 2.25rem);
  line-height: 1.04;
}

.definition-panel p,
.formula-panel p,
.discipline-panel p,
.example-bank p {
  color: var(--muted);
}

.definition-panel p {
  max-width: 860px;
  color: rgba(255, 255, 255, 0.78);
}

.formula-panel {
  margin-top: 18px;
  background: #eef6f0;
}

.formula-panel p:nth-of-type(2) {
  display: inline-flex;
  margin: 18px 0 10px;
  padding: 12px 14px;
  border-radius: 8px;
  background: #ffffff;
  color: var(--green);
  font-weight: 900;
}

.discipline-panel,
.example-bank {
  background: var(--paper);
}

.discipline-grid,
.example-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(180px, 1fr));
  gap: 14px;
  margin-top: 24px;
  overflow-x: auto;
  padding-bottom: 8px;
}

.discipline-grid article,
.example-list article {
  min-height: 220px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.discipline-grid h4,
.example-list h4 {
  margin: 0 0 10px;
  color: var(--cyan);
  font-size: 1rem;
}

.comparison-section {
  background: #f6f8f5;
  border-top: 1px solid var(--line);
}

.comparison-intro,
.cer-panel,
.relationship-panel,
.thesis-claim-example,
.notice-panel {
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.comparison-intro {
  margin-bottom: 18px;
  background: #171717;
  color: #ffffff;
}

.comparison-intro p {
  max-width: 900px;
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.08rem;
}

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

.comparison-card {
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--line);
  border-top: 6px solid var(--green);
  border-radius: 8px;
  background: #ffffff;
}

.comparison-card-alt {
  border-top-color: var(--cyan);
}

.comparison-card h3,
.cer-panel h3,
.relationship-panel h3,
.thesis-claim-example h3 {
  margin: 0;
  font-size: clamp(1.35rem, 3vw, 2.05rem);
  line-height: 1.04;
}

.comparison-card p,
.comparison-card ul,
.cer-grid p,
.relationship-grid p,
.claim-chain p,
.notice-panel p {
  color: var(--muted);
}

.comparison-card ul {
  margin: 18px 0 0;
  padding-left: 1.1rem;
}

.comparison-card li + li {
  margin-top: 10px;
}

.cer-panel,
.relationship-panel,
.thesis-claim-example,
.notice-panel {
  margin-top: 18px;
}

.cer-grid,
.relationship-grid,
.claim-chain {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.cer-grid article,
.relationship-grid p,
.claim-chain article,
.thesis-card {
  margin: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.cer-grid h4,
.claim-chain h4,
.thesis-card h4 {
  margin: 0 0 10px;
  color: var(--cyan);
  font-size: 1rem;
}

.thesis-card {
  margin-top: 22px;
  border-top: 6px solid var(--green);
  background: #eef6f0;
}

.thesis-card p,
.notice-panel p {
  margin: 0;
}

.notice-panel p + p {
  margin-top: 10px;
}

.body-section {
  background: #ffffff;
  border-top: 1px solid var(--line);
}

.body-subsection-grid {
  display: grid;
  gap: 18px;
}

.body-subsection-card {
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--line);
  border-top: 6px solid var(--green);
  border-radius: 8px;
  background: var(--paper);
}

.body-subsection-card-alt {
  border-top-color: var(--cyan);
}

.body-subsection-card h3 {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.6rem);
  line-height: 1.03;
}

.body-subsection-card > p:not(.step-label) {
  max-width: 760px;
  color: var(--muted);
}

.body-subsection-card .intro-columns {
  margin-top: 18px;
}

.body-subsection-card .guidance-card h4 {
  margin: 0;
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  line-height: 1.04;
}

.framework-preview {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 24px 0;
}

.framework-preview article {
  min-height: 150px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.framework-preview h4 {
  margin: 0 0 10px;
  color: var(--cyan);
  font-size: 1rem;
}

.framework-preview p {
  margin: 0;
  color: var(--muted);
}

.resource-button {
  border-color: var(--ink);
  background: var(--ink);
  color: #ffffff;
}

.transition-purpose,
.transition-bank {
  margin-top: 18px;
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.transition-purpose p,
.transition-bank p {
  margin: 0;
  color: var(--muted);
}

.transition-bank h4 {
  margin: 0 0 10px;
  font-size: clamp(1.25rem, 2.4vw, 1.9rem);
  line-height: 1.04;
}

.transition-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.transition-grid article {
  min-height: 150px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.transition-grid h5 {
  margin: 0 0 10px;
  color: var(--cyan);
  font-size: 0.95rem;
}

.evidence-card {
  border-top-color: var(--red);
}

.evidence-tip {
  margin-top: 18px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-left: 6px solid var(--red);
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
}

.evidence-compare {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.evidence-compare section,
.evidence-starters {
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.evidence-compare h4,
.evidence-starters h4 {
  margin: 0 0 10px;
  font-size: clamp(1.2rem, 2.2vw, 1.7rem);
  line-height: 1.05;
}

.evidence-compare h4 {
  color: var(--green);
}

.evidence-avoid h4 {
  color: var(--red);
}

.evidence-compare p,
.evidence-starters p {
  margin: 0;
  color: var(--muted);
}

.evidence-compare blockquote {
  margin: 18px 0 0;
  padding: 16px;
  border-left: 5px solid var(--green);
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink);
}

.evidence-avoid blockquote {
  border-left-color: var(--red);
}

.evidence-starters {
  margin-top: 18px;
}

.evidence-starters ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.evidence-starters li {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink);
}

.conclusion-section {
  background: #f6f8f5;
  border-top: 1px solid var(--line);
}

.closing-panel {
  display: grid;
  grid-template-columns: minmax(260px, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(20px, 4vw, 42px);
  margin-top: 34px;
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.closing-panel h3 {
  margin: 0;
  font-size: clamp(1.45rem, 3vw, 2.25rem);
  line-height: 1.04;
}

.closing-panel p {
  color: var(--muted);
}

.closing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.closing-grid article {
  min-height: 150px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.closing-grid h4 {
  margin: 0 0 10px;
  color: var(--cyan);
  font-size: 1rem;
}

.closing-grid p {
  margin: 0;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(28px, 6vw, 80px);
  align-items: start;
  border-top: 1px solid var(--line);
  background: #eef6f0;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.feature-list a {
  min-height: 76px;
  display: flex;
  align-items: center;
  padding: 18px;
  border: 1px solid rgba(23, 23, 23, 0.16);
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  font-weight: 850;
  text-decoration: none;
}

@media (max-width: 820px) {
  .site-header {
    align-items: flex-start;
    color: var(--ink);
    background: rgba(251, 251, 248, 0.92);
    text-shadow: none;
  }

  nav {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .hero {
    min-height: 86vh;
    padding-top: 68px;
  }

  .hero-overlay {
    width: calc(100% - 28px);
    padding-left: 18px;
  }

  h1 {
    max-width: 11ch;
  }

  .resource-grid {
    grid-template-columns: 1fr;
    overflow-x: visible;
  }

  .resource-card {
    min-height: 230px;
  }

  .template-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .process-step,
  .component-card,
  .subject-grid,
  .intro-columns,
  .hook-grid,
  .discipline-grid,
  .example-list,
  .comparison-grid,
  .cer-grid,
  .relationship-grid,
  .claim-chain,
  .framework-preview,
  .transition-grid,
  .evidence-compare,
  .evidence-starters ul,
  .closing-panel,
  .closing-grid,
  .template-pair {
    grid-template-columns: 1fr;
  }

  .subject-grid p {
    min-height: 0;
  }

  .split-section,
  .feature-list {
    grid-template-columns: 1fr;
  }
}

@media print {
  .site-header,
  .hero,
  .directory,
  .process-section,
  .introduction-section,
  .thesis-section,
  .comparison-section,
  .body-section,
  .conclusion-section,
  .split-section,
  .template-actions {
    display: none;
  }

  body {
    background: #ffffff;
  }

  .section {
    padding: 0;
  }

  .template-section {
    display: block;
    border: 0;
  }

  .essay-template,
  .template-block {
    gap: 10px;
  }

  .template-block,
  .template-field {
    break-inside: avoid;
    border-color: #8b8b8b;
    background: #ffffff;
  }

  .template-field textarea {
    min-height: 72px;
    border-color: #8b8b8b;
  }
}