:root {
  --bg: #ffffff;
  --bg-soft: #faf9f7;
  --text: #111111;
  --text-secondary: #4f4f4f;
  --text-tertiary: #707070;
  --divider: #eaeaea;
  --button-bg: #111111;
  --button-bg-hover: #2a2a2a;
  --button-text: #ffffff;
  --space-section: 120px;
  --space-card: 32px;
  --container-max: 1200px;
  --gutter: 24px;
  --radius-pill: 999px;
  --radius-card: 16px;
  --transition: 180ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Instrument Sans", -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--text);
  font-family: "Fraunces", Georgia, serif;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

p {
  margin: 0;
}

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

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.container {
  width: 100%;
  max-width: calc(var(--container-max) + clamp(2rem, 12vw, 240px));
  margin-inline: auto;
  padding-inline: clamp(1.5rem, 8vw, 120px);
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gutter);
}

.section {
  padding-block: var(--space-section);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(10px);
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
}

.brand {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.nav-links a {
  transition: color var(--transition);
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--text);
}

.hero {
  min-height: 640px;
  display: flex;
  align-items: center;
}

.hero-copy {
  grid-column: 1 / span 7;
  max-width: 840px;
}

.eyebrow {
  margin-bottom: 12px;
  font-size: 0.875rem;
  line-height: 1.4;
  font-weight: 500;
  color: var(--text-tertiary);
  letter-spacing: 0.01em;
}

h1 {
  font-size: clamp(2.9rem, 7vw, 4rem);
  line-height: 1.08;
  margin-bottom: 24px;
}

.lead {
  max-width: 45ch;
  font-size: clamp(1.2rem, 1.8vw, 1.375rem);
  line-height: 1.55;
  color: var(--text-secondary);
}

.cta-row {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  border-radius: var(--radius-pill);
  padding-inline: 20px;
  font-size: 1rem;
  font-weight: 500;
  border: 1px solid transparent;
  transition: background-color var(--transition), color var(--transition),
    border-color var(--transition);
}

.button-primary {
  background: var(--button-bg);
  color: var(--button-text);
}

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

.button-secondary {
  background: var(--bg);
  color: var(--text);
  border-color: #d8d8d8;
}

.button-secondary:hover,
.button-secondary:focus-visible {
  background: #f4f4f4;
}

.credibility-strip {
  border-top: 1px solid var(--divider);
  border-bottom: 1px solid var(--divider);
  padding-block: 36px;
}

.strip-label {
  grid-column: 1 / span 3;
  margin: 0;
}

.strip-items {
  grid-column: 4 / span 9;
  display: grid;
  gap: 12px;
  color: var(--text-secondary);
  font-size: 1.125rem;
  line-height: 1.5;
}

.section-header {
  margin-bottom: 48px;
}

.section-header-narrow {
  max-width: 76ch;
}

h2 {
  font-size: clamp(2rem, 4vw, 2.5rem);
  margin-bottom: 16px;
}

.body-large {
  max-width: 72ch;
  color: var(--text-secondary);
  font-size: 1.125rem;
  line-height: 1.66;
}

.project-list {
  border-top: 1px solid var(--divider);
}

.project-row {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gutter);
  padding-block: 42px;
  border-bottom: 1px solid var(--divider);
}

.project-meta {
  grid-column: 1 / span 4;
}

.project-meta h3 {
  font-size: clamp(1.55rem, 2.3vw, 1.75rem);
  margin-bottom: 8px;
}

.meta {
  color: var(--text-tertiary);
  font-size: 1rem;
  font-weight: 500;
}

.project-summary {
  grid-column: 5 / span 8;
}

.project-summary p {
  margin-bottom: 16px;
  color: var(--text-secondary);
  font-size: 1.125rem;
  line-height: 1.62;
}

.project-summary ul {
  margin-bottom: 16px;
  display: grid;
  gap: 6px;
}

.project-summary li {
  position: relative;
  padding-left: 18px;
  color: var(--text-secondary);
}

.project-summary li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #cecece;
}

.inline-link {
  display: inline-block;
  position: relative;
  color: var(--text);
  font-weight: 500;
  line-height: 1.4;
  transition: color var(--transition);
}

.inline-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 1px;
  background: currentColor;
}

.inline-link:hover,
.inline-link:focus-visible {
  color: #3a3a3a;
}

.text-block-wide {
  grid-column: 1 / span 8;
}

.principles {
  margin-top: 24px;
  display: grid;
  gap: 12px;
}

.principles li {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.6;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-card);
}

.capability-card {
  border: 1px solid var(--divider);
  border-radius: var(--radius-card);
  padding: 24px;
}

.capability-card h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.capability-card p {
  color: var(--text-secondary);
}

.writing-list {
  border-top: 1px solid var(--divider);
}

.writing-list li {
  border-bottom: 1px solid var(--divider);
}

.writing-list a {
  display: block;
  padding-block: 20px;
  font-size: 1.3rem;
  line-height: 1.45;
  transition: color var(--transition), padding-left var(--transition);
}

.writing-list a:hover,
.writing-list a:focus-visible {
  color: var(--text-secondary);
  padding-left: 8px;
}

.writing-cta {
  margin-top: 20px;
}

.section-alt {
  background: var(--bg-soft);
}

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

.portrait {
  grid-column: 1 / span 4;
  margin: 0;
  width: 100%;
  aspect-ratio: 4 / 5;
  border: 1px solid var(--divider);
  border-radius: 24px;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 35% 20%, #ffffff 0%, #f3f1ed 45%, #e6e3de 100%);
}

.portrait span {
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  letter-spacing: 0.03em;
  color: rgba(17, 17, 17, 0.24);
}

.about-copy {
  grid-column: 5 / span 6;
  display: grid;
  gap: 16px;
}

.contact-grid {
  align-items: start;
}

.contact-copy {
  grid-column: 1 / span 6;
}

.contact-form {
  grid-column: 7 / span 6;
  display: grid;
  gap: 16px;
  padding: 28px;
  border: 1px solid var(--divider);
  border-radius: var(--radius-card);
  background: #fcfcfc;
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

input,
textarea {
  width: 100%;
  border: 1px solid #d5d5d5;
  border-radius: 10px;
  padding: 12px 14px;
  font: inherit;
  color: var(--text);
  background: #ffffff;
}

textarea {
  resize: vertical;
}

input:focus-visible,
textarea:focus-visible,
.button:focus-visible,
a:focus-visible {
  outline: 2px solid #616161;
  outline-offset: 2px;
}

.site-footer {
  border-top: 1px solid var(--divider);
  padding-block: 28px;
}

.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-tertiary);
  font-size: 0.9rem;
}

[data-reveal] {
  opacity: 1;
  transform: none;
}

.reveal-ready [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 500ms ease, transform 500ms ease;
}

.reveal-ready [data-reveal].in-view {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  :root {
    --space-section: 96px;
  }

  .hero-copy,
  .text-block-wide,
  .contact-copy,
  .contact-form,
  .about-copy,
  .portrait {
    grid-column: 1 / -1;
  }

  .capability-grid {
    grid-template-columns: 1fr;
  }

  .strip-label,
  .strip-items,
  .project-meta,
  .project-summary {
    grid-column: 1 / -1;
  }

  .project-row {
    gap: 12px;
  }

  .about-grid {
    gap: 24px;
  }

  .portrait {
    max-width: 340px;
  }
}

@media (max-width: 720px) {
  :root {
    --space-section: 78px;
  }

  .site-header {
    position: static;
    border-bottom-color: var(--divider);
    backdrop-filter: none;
  }

  .nav-row {
    min-height: 64px;
  }

  .nav-links {
    gap: 14px;
    font-size: 0.87rem;
  }

  h1 {
    font-size: clamp(2.3rem, 12vw, 3rem);
  }

  h2 {
    font-size: clamp(1.8rem, 8vw, 2.2rem);
  }

  .writing-list a {
    font-size: 1.15rem;
  }

  .contact-form {
    padding: 20px;
  }

  .footer-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

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

  * {
    animation: none !important;
    transition-duration: 0.01ms !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}