/* ==========================================================================
   Knight Media Services — styles.css
   Structure: 1 Tokens · 2 Base · 3 Layout · 4 Components · 5 Sections
              6 Motion · 7 Responsive
   ========================================================================== */

/* 1. Tokens --------------------------------------------------------------- */

/* Metric-matched fallbacks keep text from jumping when web fonts arrive. */
@font-face {
  font-family: "Newsreader Fallback";
  src: local("Georgia"), local("Times New Roman");
  size-adjust: 96%;
  ascent-override: 92%;
  descent-override: 26%;
}
@font-face {
  font-family: "Hanken Fallback";
  src: local("Helvetica Neue"), local("Arial");
  size-adjust: 99%;
  ascent-override: 96%;
  descent-override: 24%;
}

:root {
  /* Palette */
  --paper: #f2f1eb;        /* warm off-white, faintly green */
  --paper-alt: #e9e8e0;
  --ink: #161a17;          /* near-black, green undertone */
  --muted: #565b55;        /* secondary text, 6.5:1 on paper */
  --rule: #d3d2c8;         /* hairlines */
  --rule-strong: #b9b8ad;
  --green: #1f3b2c;        /* accent: deep forest */
  --green-hover: #142a1f;
  --green-text: #2a5a3f;   /* accent for small text on paper, 7:1 */
  --on-green: #eef0e8;
  --on-green-muted: #b8c5ba;
  --on-green-rule: rgba(238, 240, 232, 0.2);
  --focus: #2f6b49;

  /* Type */
  --serif: "Newsreader", "Newsreader Fallback", Georgia, "Times New Roman", serif;
  --sans: "Hanken Grotesk", "Hanken Fallback", "Helvetica Neue", Arial, system-ui, sans-serif;

  --step--1: clamp(0.8125rem, 0.79rem + 0.1vw, 0.875rem);
  --step-0: clamp(1rem, 0.97rem + 0.15vw, 1.0625rem);
  --step-1: clamp(1.125rem, 1.07rem + 0.3vw, 1.3125rem);
  --step-2: clamp(1.375rem, 1.25rem + 0.6vw, 1.75rem);
  --step-3: clamp(1.75rem, 1.5rem + 1.25vw, 2.625rem);
  --step-4: clamp(2.125rem, 1.7rem + 2.2vw, 3.75rem);
  --step-hero: clamp(3.25rem, 1.6rem + 7.4vw, 9rem);

  /* Space */
  --gutter: clamp(1.25rem, 0.6rem + 3.2vw, 4rem);
  --section: clamp(5rem, 3.5rem + 7vw, 10rem);
  --max: 1360px;
  --header-h: 4.5rem;

  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* 2. Base ----------------------------------------------------------------- */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + 1rem);
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--step-0);
  line-height: 1.6;
  font-kerning: normal;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }

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

::selection { background: var(--green); color: var(--on-green); }

:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 4px;
  border-radius: 2px;
}

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

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: 0.75rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  background: var(--ink);
  color: var(--paper);
  font-size: var(--step--1);
  transform: translateY(-200%);
}
.skip-link:focus-visible { transform: none; }

/* 3. Layout --------------------------------------------------------------- */

.container {
  width: 100%;
  max-width: calc(var(--max) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

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

/* 4. Components ----------------------------------------------------------- */

.section-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: var(--step-4);
  line-height: 1.08;
  letter-spacing: -0.015em;
  font-optical-sizing: auto;
  text-wrap: balance;
}

.section-kicker {
  font-size: var(--step--1);
  font-weight: 500;
  color: var(--green-text);
  margin-bottom: 1.25rem;
}

.lead {
  font-family: var(--serif);
  font-size: var(--step-2);
  line-height: 1.42;
  color: var(--ink);
  text-wrap: pretty;
}

/* Button: square-shouldered, quiet, decisive */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.25rem;
  padding: 0.85rem 1.6rem;
  background: var(--green);
  color: var(--on-green);
  font-family: var(--sans);
  font-size: var(--step-0);
  font-weight: 500;
  letter-spacing: 0.005em;
  border: 1px solid var(--green);
  border-radius: 2px;
  transition: background-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.button:hover {
  background: var(--green-hover);
  transform: translateY(-1px);
}
.button:active { transform: none; }

/* Underlined text link with a drawing underline */
.text-link,
.contact-email,
.footer-links a,
.site-nav a:not(.nav-cta) {
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 0% 1px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  transition: background-size 0.35s var(--ease), color 0.2s;
}
.text-link:hover,
.contact-email:hover,
.footer-links a:hover,
.site-nav a:not(.nav-cta):hover { background-size: 100% 1px; }

.text-link {
  display: inline-flex;
  align-items: center;
  min-height: 3.25rem;
  font-weight: 500;
  background-size: 100% 1px;
  background-position: 0 calc(50% + 0.8em);
  background-image: linear-gradient(var(--rule-strong), var(--rule-strong));
}
.text-link:hover {
  background-image: linear-gradient(var(--ink), var(--ink));
}

/* Header & navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  background: var(--paper);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease);
}
.site-header.is-scrolled { border-bottom-color: var(--rule); }

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 2.75rem;
}
.wordmark-mark {
  display: grid;
  place-items: center;
  width: 1.875rem;
  height: 1.875rem;
  background: var(--green);
  color: var(--on-green);
  font-family: var(--serif);
  font-size: 1.125rem;
  line-height: 1;
  border-radius: 1px;
}
.wordmark-text {
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: -0.005em;
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 2.5vw, 2.25rem);
}
.site-nav a {
  font-size: 0.9375rem;
  color: var(--muted);
  padding-block: 0.25rem;
}
.site-nav a:hover { color: var(--ink); }
.site-nav .nav-cta {
  display: inline-flex;
  align-items: center;
  min-height: 2.5rem;
  padding: 0.4rem 1rem;
  color: var(--ink);
  border: 1px solid var(--ink);
  border-radius: 2px;
  transition: background-color 0.2s, color 0.2s;
}
.site-nav .nav-cta:hover { background: var(--ink); color: var(--paper); }

.menu-toggle {
  display: none;
  align-items: center;
  gap: 0.75rem;
  min-height: 2.75rem;
  padding: 0 0 0 0.75rem;
  background: none;
  border: 0;
  color: var(--ink);
  font: 500 0.9375rem/1 var(--sans);
  cursor: pointer;
}
.menu-toggle-icon {
  position: relative;
  width: 1.375rem;
  height: 0.75rem;
}
.menu-toggle-icon span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: currentColor;
  transition: transform 0.3s var(--ease), top 0.3s var(--ease);
}
.menu-toggle-icon span:first-child { top: 0; }
.menu-toggle-icon span:last-child { top: calc(100% - 1.5px); }
.menu-toggle[aria-expanded="true"] .menu-toggle-icon span:first-child { top: calc(50% - 0.75px); transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle-icon span:last-child { top: calc(50% - 0.75px); transform: rotate(-45deg); }

/* 5. Sections ------------------------------------------------------------- */

/* Hero */
.hero {
  padding-top: clamp(3.5rem, 2rem + 6vw, 8rem);
  padding-bottom: var(--section);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 30%);
  column-gap: clamp(2rem, 5vw, 6rem);
  align-items: start;
}
.hero-eyebrow {
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green-text);
  margin-bottom: clamp(1.75rem, 1rem + 2vw, 3rem);
}
.hero-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: var(--step-hero);
  line-height: 0.94;
  letter-spacing: -0.035em;
  font-optical-sizing: auto;
}
.hero-title span { display: block; }
.hero-title span + span { margin-top: 0.02em; }

.hero-text {
  max-width: 40rem;
  margin-top: clamp(2.5rem, 1.5rem + 3vw, 4.5rem);
  padding-top: 1.75rem;
  border-top: 1px solid var(--rule);
}
.hero-subhead {
  font-family: var(--serif);
  font-size: var(--step-2);
  line-height: 1.35;
  text-wrap: pretty;
}
.hero-support {
  margin-top: 1rem;
  color: var(--muted);
  max-width: 34rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 2rem;
  margin-top: 2.25rem;
}

.hero-figure {
  align-self: stretch;
  display: flex;
  align-items: flex-start;
  padding-top: clamp(3.5rem, 2rem + 4vw, 6.5rem);
}
.system-map { width: 100%; height: auto; overflow: visible; }
.sm-grid line { stroke: var(--rule); stroke-width: 1; }
.sm-links path { stroke: var(--green); stroke-width: 1; stroke-opacity: 0.55; }
.sm-minor circle { fill: var(--paper); stroke: var(--green); stroke-width: 1; }
.sm-nodes circle { fill: var(--green); }
.sm-labels text {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  fill: var(--muted);
  letter-spacing: 0.01em;
}

/* Positioning */
.positioning { border-top: 1px solid var(--rule); }
.positioning-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gutter);
  row-gap: clamp(2.5rem, 2rem + 3vw, 5rem);
}
.statement {
  grid-column: 1 / span 10;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.25rem, 1.4rem + 4.2vw, 5.5rem);
  line-height: 1.02;
  letter-spacing: -0.028em;
  text-wrap: balance;
}
.positioning-body {
  grid-column: 6 / span 6;
  display: grid;
  gap: 1.5rem;
}
.positioning-body p:not(.lead) {
  color: var(--muted);
  max-width: 36rem;
}

/* Services */
.services { padding-top: 0; }
.services .section-title {
  padding-top: clamp(4rem, 3rem + 4vw, 7rem);
  border-top: 1px solid var(--rule);
  margin-bottom: clamp(2.5rem, 2rem + 3vw, 5rem);
}
.service {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gutter);
  row-gap: 1rem;
  padding-block: clamp(2rem, 1.5rem + 2vw, 3.25rem);
  border-top: 1px solid var(--rule);
}
.service-title {
  grid-column: 1 / span 4;
  font-family: var(--serif);
  font-weight: 400;
  font-size: var(--step-3);
  line-height: 1.12;
  letter-spacing: -0.012em;
  text-wrap: balance;
}
.service-summary {
  grid-column: 5 / span 4;
  font-size: var(--step-1);
  line-height: 1.5;
  text-wrap: pretty;
}
.service-items {
  grid-column: 9 / span 4;
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.5;
}
.service-items li {
  padding-block: 0.45rem;
  border-bottom: 1px solid var(--rule);
}
.service-items li:first-child { padding-top: 0.15rem; }
.service-items li:last-child { border-bottom: 0; }

/* Approach */
.approach { background: var(--paper-alt); }
.approach-head { max-width: 52rem; }
.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  column-gap: var(--gutter);
  row-gap: 3rem;
  margin-top: clamp(3rem, 2rem + 4vw, 6rem);
  counter-reset: none;
}
.step {
  padding-top: 1.5rem;
  border-top: 1px solid var(--ink);
}
.step-number {
  display: block;
  font-family: var(--serif);
  font-size: var(--step-2);
  color: var(--green-text);
  font-variant-numeric: lining-nums tabular-nums;
  line-height: 1;
}
.step-title {
  margin-top: clamp(2rem, 1.5rem + 2vw, 3.5rem);
  font-family: var(--serif);
  font-weight: 400;
  font-size: var(--step-3);
  line-height: 1.1;
  letter-spacing: -0.012em;
}
.step p {
  margin-top: 0.85rem;
  color: var(--muted);
  max-width: 24rem;
}

/* Experience (the single dark field on the page) */
.experience {
  background: var(--green);
  color: var(--on-green);
}
.experience-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gutter);
  row-gap: 3rem;
}
.experience-intro { grid-column: 1 / span 5; }
.experience-intro p {
  margin-top: 1.75rem;
  color: var(--on-green-muted);
  max-width: 28rem;
}
.capabilities {
  grid-column: 7 / span 6;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: clamp(1.5rem, 3vw, 3rem);
  align-self: start;
  margin-top: 0.6rem;
}
.capabilities li {
  font-family: var(--serif);
  font-size: var(--step-1);
  line-height: 1.3;
  padding-block: 1rem;
  border-top: 1px solid var(--on-green-rule);
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gutter);
  row-gap: 3rem;
  align-items: start;
}
.about-photo { grid-column: 1 / span 4; }
.about-body { grid-column: 6 / span 7; }

.about-photo { max-width: 20rem; }
.about-photo picture {
  display: block;
  aspect-ratio: 4 / 5;
  background: var(--paper-alt);
  overflow: hidden;
}
.about-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 30%;
  filter: saturate(0.85) contrast(1.02);
}
.about-photo figcaption {
  display: grid;
  gap: 0.15rem;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--ink);
}
.about-name { font-weight: 600; line-height: 1.35; }
.about-role { color: var(--muted); font-size: 0.9375rem; line-height: 1.45; }
.about-link {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--green-text);
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 0% 1px;
  background-position: 0 calc(50% + 0.75em);
  background-repeat: no-repeat;
  transition: background-size 0.35s var(--ease);
}
.about-link:hover { background-size: 100% 1px; }
.about-body .lead { margin-top: 2rem; }
.about-body .section-title { margin-top: -0.12em; }
.about-body p:not(.lead) {
  margin-top: 1.5rem;
  color: var(--muted);
  max-width: 38rem;
}

/* Contact */
.contact { border-top: 1px solid var(--rule); }
.contact-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gutter);
  row-gap: 2.5rem;
  align-items: end;
}
.contact-title {
  grid-column: 1 / span 7;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.5rem, 1.4rem + 5vw, 6.25rem);
  line-height: 0.98;
  letter-spacing: -0.032em;
  text-wrap: balance;
}
.contact-body { grid-column: 8 / span 5; }
.contact-body > p {
  font-size: var(--step-1);
  line-height: 1.5;
  text-wrap: pretty;
}
.contact-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.25rem;
  margin-top: 2rem;
}
.contact-email {
  font-family: var(--serif);
  font-size: var(--step-1);
  color: var(--ink);
  overflow-wrap: anywhere;
  background-size: 100% 1px;
  background-image: linear-gradient(var(--rule-strong), var(--rule-strong));
  padding-bottom: 2px;
}
.contact-email:hover { background-image: linear-gradient(var(--ink), var(--ink)); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--rule);
  padding-block: 2.5rem 3rem;
  font-size: 0.9375rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 1.5rem 3rem;
  align-items: end;
}
.footer-name {
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.8125rem;
}
.footer-tagline {
  font-family: var(--serif);
  color: var(--muted);
  margin-top: 0.25rem;
}
.footer-links { display: flex; gap: 1.75rem; }
.footer-links a { display: inline-block; padding-block: 0.4rem; }
.footer-legal { color: var(--muted); }

/* 404 page */
.notfound-text { margin-top: 1.5rem; color: var(--muted); max-width: 32rem; }
.notfound-action { margin-top: 2rem; }

/* 6. Motion --------------------------------------------------------------- */
/* Content is fully visible without JS; motion only layers on top. */

@media (prefers-reduced-motion: no-preference) {
  /* Hero: one orchestrated load moment */
  .hero-copy > * {
    animation: rise 0.9s var(--ease) both;
  }
  .hero-copy > :nth-child(2) { animation-delay: 0.08s; }
  .hero-copy > :nth-child(3) { animation-delay: 0.2s; }

  .sm-links path {
    stroke-dasharray: 1;
    stroke-dashoffset: 1;
    animation: draw 1.6s var(--ease) 0.35s forwards;
  }
  .sm-links path:nth-child(2) { animation-delay: 0.45s; }
  .sm-links path:nth-child(3) { animation-delay: 0.55s; }
  .sm-links path:nth-child(n+4) { animation-delay: 0.75s; }
  .sm-nodes circle, .sm-minor circle, .sm-labels text {
    animation: fade 0.8s var(--ease) 0.3s both;
  }

  /* Gentle entry for content blocks (class added by script.js) */
  .js .reveal {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  }
  .js .reveal.is-visible { opacity: 1; transform: none; }
}

@keyframes rise { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* 7. Responsive ----------------------------------------------------------- */

@media (max-width: 1100px) {
  .service-title { grid-column: 1 / -1; }
  .service-summary { grid-column: 1 / span 6; }
  .service-items { grid-column: 7 / span 6; }

  .positioning-body { grid-column: 4 / -1; }
  .experience-intro { grid-column: 1 / span 6; }
  .capabilities { grid-column: 7 / -1; grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-figure { display: none; }

  .steps { grid-template-columns: 1fr; row-gap: 2.5rem; }
  .step { display: grid; grid-template-columns: 4rem 1fr; column-gap: 1rem; }
  .step-number { grid-row: 1 / span 2; padding-top: 0.2rem; }
  .step-title { margin-top: 0; }

  .statement { grid-column: 1 / -1; }
  .positioning-body { grid-column: 1 / -1; max-width: 40rem; }

  .experience-intro,
  .capabilities { grid-column: 1 / -1; }
  .capabilities { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .about-photo, .about-body { grid-column: 1 / -1; }
  .about-photo { max-width: 17rem; }
  .about-body { order: -1; }
  .about-body .lead { margin-top: 1.5rem; }

  .contact-title, .contact-body { grid-column: 1 / -1; }
  .contact-body { max-width: 36rem; }

  .footer-grid { grid-template-columns: 1fr auto; }
  .footer-legal { grid-column: 1 / -1; }
}

/* Mobile navigation */
@media (max-width: 820px) {
  .menu-toggle { display: inline-flex; }

  .site-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--rule);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-6px);
    transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0s linear 0.25s;
  }
  .site-header.menu-open { border-bottom-color: var(--rule); }
  .site-header.menu-open .site-nav {
    visibility: visible;
    opacity: 1;
    transform: none;
    transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0s;
  }
  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem var(--gutter) 1.5rem;
  }
  .site-nav li + li { border-top: 1px solid var(--rule); }
  .site-nav a,
  .site-nav a:not(.nav-cta) {
    display: flex;
    align-items: center;
    min-height: 3.5rem;
    font-family: var(--serif);
    font-size: 1.5rem;
    color: var(--ink);
    background-image: none;
  }
  .site-nav .nav-cta {
    min-height: 3.5rem;
    padding: 0;
    border: 0;
  }
  .site-nav .nav-cta:hover { background: none; color: var(--green-text); }
}

@media (max-width: 640px) {
  .service-summary,
  .service-items { grid-column: 1 / -1; }
  .service-items { margin-top: 0.5rem; }

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

  .hero-actions .button { flex: 1 1 auto; }
  .contact-actions .button { width: 100%; }

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

@media (max-width: 380px) {
  .wordmark-text { font-size: 0.875rem; }
  .menu-toggle-label {
    position: absolute; width: 1px; height: 1px; overflow: hidden;
    clip-path: inset(50%); white-space: nowrap;
  }
}

@media print {
  .site-header, .hero-figure, .skip-link { display: none; }
  .experience { background: none; color: var(--ink); }
  .experience-intro p { color: var(--muted); }
  .capabilities li { border-color: var(--rule); }
}