/* ============================================================
   dachtera.io - "The First Meeting"
   Self-hosted fonts (latin subsets, variable)
   ============================================================ */
@font-face {
  font-family: "Bricolage Grotesque";
  font-style: normal;
  font-weight: 500 800;
  font-display: swap;
  src: url("assets/fonts/bricolage-grotesque-latin.woff2") format("woff2");
}
@font-face {
  font-family: "Instrument Sans";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("assets/fonts/instrument-sans-latin.woff2") format("woff2");
}

/* ============================================================
   Design tokens
   ============================================================ */
:root {
  --paper: #f1f2fb;       /* near-white with a faint blue tint */
  --ink: #1a1714;
  --ink-soft: #5c554c;
  --hairline: #dfe1f1;
  --clay: #4f46e5;        /* primary accent, indigo, large display (5.6:1 on paper) */
  --clay-text: #4338ca;   /* small text & UI accents (7.1:1 on paper) */
  --clay-deep: #3730a3;   /* button hover */
  --violet-block: #e1e3fb;/* light indigo CTA panel tint */

  --display: "Bricolage Grotesque", "Helvetica Neue", sans-serif;
  --sans: "Instrument Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", "Roboto Mono", monospace;

  --max: 1200px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

::selection { background: var(--clay); color: var(--paper); }

:focus-visible {
  outline: 2px solid var(--clay-text);
  outline-offset: 3px;
  border-radius: 2px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--gutter);
  z-index: 100;
  padding: 0.7rem 1.2rem;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
}
.skip-link:focus-visible {
  top: 0.5rem;
}

/* ---------- type utilities ---------- */
.mono {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 400;
}

/* ============================================================
   Header
   ============================================================ */
.site-head {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 1rem var(--gutter);
  background: color-mix(in oklab, var(--paper) 90%, transparent);
  backdrop-filter: blur(8px) saturate(130%);
  -webkit-backdrop-filter: blur(8px) saturate(130%);
  border-bottom: 1px solid var(--hairline);
}
.site-head-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.wordmark {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  text-decoration: none;
}
.wordmark .tld { color: var(--clay); }
.site-head nav {
  display: flex;
  gap: clamp(1rem, 2.5vw, 2rem);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.site-head nav a {
  text-decoration: none;
  color: var(--ink-soft);
  transition: color 160ms ease;
}
.site-head nav a:hover { color: var(--clay-text); }
.site-head nav a.nav-cta { color: var(--clay-text); }
.site-head nav a.nav-cta:hover { color: var(--clay-deep); }

/* ============================================================
   Shell / sections
   ============================================================ */
.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(3rem, 7vh, 6rem) var(--gutter);
}
.section-kicker {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: clamp(1.75rem, 4vh, 3rem);
}
.section-kicker .num {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--clay-text);
}
.section-kicker h2 {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0;
}
.section-kicker .line {
  flex: 1;
  height: 1px;
  background: var(--hairline);
  align-self: center;
}
/* ============================================================
   §1 Hero
   ============================================================ */
.hero {
  padding-top: clamp(3rem, 8vh, 6rem);
  padding-bottom: clamp(3rem, 8vh, 6rem);
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; }
}
.letterhead { margin-bottom: 2.2rem; }
.hero-name {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.15rem, 1.6vw, 1.4rem);
  letter-spacing: -0.015em;
  margin: 0 0 0.35rem;
}
.hero-meta { margin: 0; }
.hero h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2.5rem, 5.8vw, 5rem);
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin: 0 0 1.6rem;
}
.hero h1 span { display: block; }
.hero h1 .l2 { color: var(--clay); }
.hero .sub {
  max-width: 54ch;
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  line-height: 1.6;
  color: var(--ink-soft);
  margin: 0 0 2.2rem;
}
.hero .sub strong { color: var(--ink); font-weight: 600; }
.hero-ctas {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.85rem 1.6rem;
  background: var(--clay-text);
  color: #fff;
  border: 0;
  border-radius: 999px;
  text-decoration: none;
  cursor: pointer;
  transition: background 180ms ease, transform 180ms ease;
}
.btn:hover { background: var(--clay-deep); transform: translateY(-1px); }
.ghost-link {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--hairline);
  padding-bottom: 0.2rem;
  transition: color 160ms ease, border-color 160ms ease;
}
.ghost-link:hover { color: var(--clay-text); border-color: var(--clay-text); }

/* hero portrait */
.portrait {
  margin: 0;
  justify-self: center;
  width: fit-content;
  max-width: 100%;
  text-align: center;
}
.portrait img {
  width: clamp(200px, 24vw, 320px);
  height: auto;
  border-radius: 18px;
  border: 1px solid var(--hairline);
  box-shadow: 0 28px 60px -32px rgba(26, 23, 20, 0.35);
  filter: saturate(0.96);
}
.portrait figcaption {
  margin-top: 1rem;
  max-width: clamp(200px, 24vw, 320px);
  font-family: var(--mono);
  font-size: 0.66rem;
  line-height: 1.5;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
@media (max-width: 820px) {
  .portrait { order: -1; }
  .portrait img { width: 160px; border-radius: 14px; }
  .portrait figcaption { display: none; }
}

/* ============================================================
   §2 What I build - capabilities
   ============================================================ */
.capabilities {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1rem, 2.5vw, 2rem) clamp(2rem, 5vw, 4rem);
}
@media (max-width: 720px) {
  .capabilities { grid-template-columns: 1fr; gap: 1.75rem; }
}
.capability {
  border-top: 2px solid var(--ink);
  padding-top: 1.1rem;
}
.capability h3 {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(1.3rem, 2vw, 1.7rem);
  letter-spacing: -0.015em;
  line-height: 1.1;
  margin: 0 0 0.7rem;
}
.capability p {
  margin: 0 0 1rem;
  max-width: 46ch;
  color: var(--ink-soft);
  font-size: 0.98rem;
}
.capability-tech {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--clay-text);
}

.tech-strip {
  list-style: none;
  margin: clamp(2.5rem, 5vh, 4rem) 0 0;
  padding: clamp(1.75rem, 3.5vh, 2.5rem) 0 0;
  border-top: 1px solid var(--hairline);
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 0.5rem;
}
.tech-strip li {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  border: 1px solid var(--hairline);
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
}

/* ============================================================
   A note on vibe coding - editorial aside
   ============================================================ */
.note {
  background: color-mix(in oklab, var(--clay) 6%, var(--paper));
  border: 1px solid var(--hairline);
  border-radius: 18px;
  padding: clamp(1.75rem, 4vw, 3.25rem);
}
.note-title {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 1.5rem;
}
.note-body { max-width: 62ch; }
.note-body p {
  margin: 0 0 1rem;
  color: var(--ink-soft);
  font-size: 1.02rem;
  line-height: 1.65;
}
.note-body p:last-child { margin-bottom: 0; }
.note-body .note-lead {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(1.15rem, 1.8vw, 1.45rem);
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 1.4rem;
}
.note-body strong { color: var(--clay-text); font-weight: 600; }

/* ============================================================
   §5 How It Goes
   ============================================================ */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1rem, 2vw, 1.75rem);
}
@media (max-width: 900px) {
  .steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; }
}
.step {
  border-top: 2px solid var(--ink);
  padding-top: 1.1rem;
}
.step .step-num {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--clay-text);
}
.step h3 {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
  margin: 0.4rem 0 0.6rem;
}
.step p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--ink-soft);
}
.handover-line {
  margin: clamp(1.75rem, 4vh, 2.5rem) 0 0;
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(1.1rem, 1.8vw, 1.4rem);
  letter-spacing: -0.01em;
}
.handover-line em { color: var(--clay-text); font-style: normal; }

/* ============================================================
   §6 Who You're Working With
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
@media (max-width: 820px) {
  .about-grid { grid-template-columns: 1fr; }
}
.about-grid .bio p {
  margin: 0 0 1.1rem;
  max-width: 58ch;
  font-size: 1.02rem;
  line-height: 1.65;
}
.about-grid .bio p strong { font-weight: 600; }
.cv-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin: 0;
}
.cv-links .mono { color: var(--ink-soft); }
.van-photo {
  margin: 0;
  justify-self: center;
  text-align: center;
}
.van-photo img {
  width: 100%;
  max-width: 380px;
  height: auto;
  border-radius: 18px;
  border: 1px solid var(--hairline);
  box-shadow: 0 28px 60px -32px rgba(26, 23, 20, 0.35);
}
.van-photo figcaption {
  margin-top: 0.85rem;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
@media (max-width: 820px) {
  .van-photo { margin-top: 1rem; }
  .van-photo img { max-width: 320px; }
}

/* ============================================================
   §7 Start - full-bleed violet CTA panel + email composer
   ============================================================ */
.section--block {
  max-width: none;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  padding-inline: max(var(--gutter), calc((100vw - var(--max)) / 2));
  background: var(--violet-block);
}
.section--block .start-lede em { color: var(--clay-text); font-style: normal; }
/* clean white cards pop on the lavender tint */
.section--block .need-option,
.section--block .letter {
  background: #fff;
  border-color: color-mix(in oklab, var(--clay) 18%, #fff);
}
.section--block .need-option:has(input:checked) {
  border-color: var(--clay-text);
  background: color-mix(in oklab, var(--clay) 6%, #fff);
}

.start-lede {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  letter-spacing: -0.02em;
  line-height: 1.2;
  max-width: 26ch;
  margin: 0 0 2.5rem;
}
.start-lede em { color: var(--clay-text); font-style: normal; }
.start-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: start;
}
@media (max-width: 880px) {
  .start-grid { grid-template-columns: 1fr; }
}
.need-options {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  border: 0;
  padding: 0;
  margin: 0;
}
.need-option {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1.1rem 1.25rem;
  border: 1px solid var(--hairline);
  background: color-mix(in oklab, var(--paper) 60%, #fff 40%);
  font-family: var(--sans);
  font-size: 0.98rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 180ms ease, background 180ms ease;
}
.need-option:hover { border-color: var(--ink-soft); }
.need-option:has(input:checked) {
  border-color: var(--clay-text);
  background: color-mix(in oklab, var(--clay) 6%, var(--paper));
}
.need-option:has(input:focus-visible) {
  outline: 2px solid var(--clay-text);
  outline-offset: 3px;
}
.need-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.need-option .radio {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid var(--ink-soft);
  flex-shrink: 0;
  position: relative;
  transition: border-color 180ms ease;
}
.need-option:has(input:checked) .radio { border-color: var(--clay-text); }
.need-option:has(input:checked) .radio::after {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: var(--clay-text);
}
.letter {
  border: 1px solid var(--hairline);
  background: #fdfbf6;
  padding: clamp(1.5rem, 3vw, 2.5rem);
  box-shadow: 0 24px 50px -30px rgba(26, 23, 20, 0.2);
}
.letter .letter-body {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  line-height: 1.7;
  margin: 0 0 1.75rem;
  min-height: 7em;
}
.letter .blank {
  display: inline-block;
  min-width: 6ch;
  border-bottom: 1.5px solid var(--clay-text);
  color: var(--ink-soft);
  font-style: italic;
}
.letter .blank-input {
  display: inline-block;
  width: 9ch;
  min-width: 9ch;
  max-width: 100%;
  field-sizing: content;
  border: 0;
  border-bottom: 1.5px solid var(--clay-text);
  border-radius: 0;
  background: transparent;
  padding: 0 0.15em;
  font: inherit;
  color: var(--ink);
  font-style: italic;
}
.letter .blank-input--wide {
  width: 18ch;
  min-width: 18ch;
}
.letter .blank-input::placeholder {
  color: var(--ink-soft);
  opacity: 0.8;
}
.letter .blank-input:focus-visible {
  outline: none;
  border-bottom-width: 2px;
  border-bottom-color: var(--ink);
  background: color-mix(in oklab, var(--clay) 9%, transparent);
}
.letter-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.letter-actions .plain {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
}
.letter-actions .plain a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--hairline); }
.letter-actions .plain a:hover { color: var(--clay-text); border-color: var(--clay-text); }

/* ============================================================
   Footer - colophon
   ============================================================ */
.colophon {
  border-top: 1px solid var(--hairline);
}
.colophon-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem var(--gutter);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.colophon-inner p {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
}
.colophon-inner nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.25rem;
}
.colophon-inner nav a {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-decoration: none;
}
.colophon-inner nav a:hover { color: var(--clay-text); }
.colophon-inner .legal {
  display: flex;
  gap: 1.5rem;
}

/* ============================================================
   Scroll reveals - gated on .js so content is visible without JS
   ============================================================ */
html.js .reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 600ms ease, transform 600ms ease;
}
html.js .reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  html.js .reveal { opacity: 1; transform: none; }
}