/* ==========================================================================
   Yoke Consulting — main.css
   ========================================================================== */

/* --------------------------------------------------------------------------
   Fonts
   -------------------------------------------------------------------------- */

@font-face {
  font-family: "Atkinson Hyperlegible Next";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/AtkinsonHyperlegibleNext-Regular.woff2") format("woff2");
}

@font-face {
  font-family: "Atkinson Hyperlegible Next";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("/assets/fonts/AtkinsonHyperlegibleNext-Bold.woff2") format("woff2");
}

/* --------------------------------------------------------------------------
   Tokens
   PLACEHOLDER: final hex values for --colour-navy and --colour-gold pending
   from designer. Update only those two variables when confirmed.
   -------------------------------------------------------------------------- */

:root {
  /* Colours */
  --colour-navy: #1F2A3A;
  --colour-gold: #B8A050;
  --colour-white: #FFFFFF;
  --colour-off-white: #F7F5F0;
  --colour-text: #1F2A3A;
  --colour-text-muted: #5A6470;
  --colour-border: #E5E0D5;

  /* Typography */
  --font-body: "Atkinson Hyperlegible Next", system-ui, sans-serif;
  --font-heading: "Atkinson Hyperlegible Next", system-ui, sans-serif;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4rem;
  --space-8: 6rem;

  /* Layout */
  --container-max: 1100px;
  --container-narrow: 760px;
}

/* --------------------------------------------------------------------------
   Reset / base
   -------------------------------------------------------------------------- */

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

* {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--colour-text);
  background-color: var(--colour-white);
  -webkit-font-smoothing: antialiased;
}

img, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

ul, ol {
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.25rem;
}

/* --------------------------------------------------------------------------
   Skip to content
   -------------------------------------------------------------------------- */

.skip-to-content {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  z-index: 9999;
  background: var(--colour-navy);
  color: var(--colour-white);
  padding: 0.75rem 1.5rem;
  font-weight: 700;
  text-decoration: none;
  font-size: 1rem;
}

.skip-to-content:focus {
  position: fixed;
  top: 0;
  left: 0;
  width: auto;
  height: auto;
  overflow: visible;
}

/* --------------------------------------------------------------------------
   Layout utilities
   -------------------------------------------------------------------------- */

.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.container-narrow {
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.section {
  padding-block: var(--space-7);
}

.section--sm {
  padding-block: var(--space-6);
}

.section--lg {
  padding-block: var(--space-8);
}

.section--alt {
  background-color: var(--colour-off-white);
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--colour-navy);
  line-height: 1.2;
}

h1 {
  font-size: 2rem;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-4);
}

h2 {
  font-size: 1.625rem;
  margin-bottom: var(--space-4);
}

h3 {
  font-size: 1.125rem;
  margin-bottom: var(--space-3);
}

p {
  max-width: 70ch;
  margin-bottom: var(--space-3);
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--colour-navy);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

a:hover {
  color: var(--colour-gold);
}

.text-muted {
  color: var(--colour-text-muted);
}

.text-gold {
  color: var(--colour-gold);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

strong {
  font-weight: 700;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  border-radius: 4px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 3px solid var(--colour-gold);
  outline-offset: 3px;
}

.btn-primary {
  background-color: var(--colour-navy);
  color: var(--colour-white);
  border-color: var(--colour-navy);
}

.btn-primary:hover {
  background-color: var(--colour-gold);
  border-color: var(--colour-gold);
  color: var(--colour-navy);
  text-decoration: none;
}

.btn-secondary {
  background-color: transparent;
  color: var(--colour-navy);
  border-color: var(--colour-navy);
}

.btn-secondary:hover {
  background-color: var(--colour-navy);
  color: var(--colour-white);
  text-decoration: none;
}

/* Button overrides for navy/dark backgrounds */
.hero .btn-primary,
.cta-band .btn-primary {
  background-color: var(--colour-white);
  color: var(--colour-navy);
  border-color: var(--colour-white);
}

.hero .btn-primary:hover,
.cta-band .btn-primary:hover {
  background-color: var(--colour-gold);
  border-color: var(--colour-gold);
  color: var(--colour-navy);
}

.hero .btn-secondary,
.cta-band .btn-secondary {
  background-color: transparent;
  color: var(--colour-white);
  border-color: rgba(255, 255, 255, 0.6);
}

.hero .btn-secondary:hover,
.cta-band .btn-secondary:hover {
  background-color: var(--colour-white);
  color: var(--colour-navy);
  border-color: var(--colour-white);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}

/* --------------------------------------------------------------------------
   Site header
   -------------------------------------------------------------------------- */

.site-header {
  background-color: var(--colour-white);
  border-bottom: 1px solid var(--colour-border);
  position: relative;
  z-index: 100;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
  gap: var(--space-3);
}

.site-header__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}

.site-header__logo img {
  height: 40px;
  width: auto;
}

/* Hamburger toggle */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
}

.nav-toggle:focus-visible {
  outline: 3px solid var(--colour-navy);
  outline-offset: 4px;
  border-radius: 2px;
}

.nav-toggle__bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--colour-navy);
  transition: transform 0.2s ease, opacity 0.2s ease;
  transform-origin: center;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Primary nav — mobile (hidden until toggled) */
.primary-nav {
  display: none;
  flex-direction: column;
  gap: var(--space-4);
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--colour-white);
  border-bottom: 1px solid var(--colour-border);
  padding: var(--space-4);
  z-index: 99;
}

.primary-nav.is-open {
  display: flex;
}

.primary-nav__list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.primary-nav__list li {
  margin: 0;
}

.primary-nav__list a {
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
  color: var(--colour-navy);
  padding-block: 0.25rem;
  display: inline-block;
}

.primary-nav__list a:hover {
  color: var(--colour-gold);
}

.primary-nav__list a[aria-current="page"] {
  color: var(--colour-navy);
  border-bottom: 2px solid var(--colour-gold);
}

/* --------------------------------------------------------------------------
   Site footer
   -------------------------------------------------------------------------- */

.site-footer {
  background-color: var(--colour-navy);
  color: var(--colour-white);
  padding-block: var(--space-7);
}

.site-footer a {
  color: var(--colour-white);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--colour-gold);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.footer-logo {
  margin-bottom: var(--space-3);
}

.footer-logo img {
  height: 36px;
  width: auto;
}

.footer-tagline {
  font-style: italic;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: var(--space-2);
}

.footer-abn {
  color: rgba(255, 255, 255, 0.5);
  font-size: 1rem;
}

.footer-col-heading {
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--colour-gold);
  margin-bottom: var(--space-3);
}

.footer-nav {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-nav li {
  margin: 0;
  color: rgba(255, 255, 255, 0.75);
  font-size: 1rem;
}

.footer-nav a {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.85);
}

.footer-nav a:hover {
  color: var(--colour-gold);
}

.site-footer__bottom {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: space-between;
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.5);
}

.site-footer__bottom a {
  color: rgba(255, 255, 255, 0.5);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.site-footer__bottom a:hover {
  color: var(--colour-gold);
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.hero {
  background-color: var(--colour-navy);
  padding-block: var(--space-8);
}

.hero__content {
  max-width: 640px;
}

.hero--logo .hero__content {
  max-width: 480px;
  text-align: center;
  margin-inline: auto;
}

.hero--logo .btn-group {
  justify-content: center;
}

.hero__logo-large {
  width: 100%;
  max-width: 420px;
  height: auto;
  margin-bottom: var(--space-5);
}

.hero h1 {
  color: var(--colour-white);
  font-size: 2.25rem;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

.hero__tagline {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.125rem;
  line-height: 1.5;
  margin-bottom: var(--space-5);
  max-width: 52ch;
}

/* --------------------------------------------------------------------------
   Section images
   -------------------------------------------------------------------------- */

.section-image {
  width: 100%;
  height: auto;
  border-radius: 4px;
  margin-block: var(--space-5);
}

/* --------------------------------------------------------------------------
   Service cards (home page pillar grid)
   -------------------------------------------------------------------------- */

.cards-intro {
  margin-bottom: var(--space-5);
}

.cards-intro p {
  font-size: 1.0625rem;
  color: var(--colour-text-muted);
}

.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.card {
  background-color: var(--colour-white);
  border: 1px solid var(--colour-border);
  border-top: 3px solid var(--colour-gold);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
}

.card h3 {
  margin-bottom: var(--space-3);
  font-size: 1.125rem;
}

.card > p {
  color: var(--colour-text-muted);
  margin-bottom: var(--space-3);
}

.card ul {
  color: var(--colour-text-muted);
  margin-bottom: var(--space-4);
}

.card-link {
  color: var(--colour-navy);
  font-weight: 700;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
  margin-top: auto;
  font-size: 1rem;
}

.card-link:hover {
  color: var(--colour-gold);
}

/* --------------------------------------------------------------------------
   How we work / pillars
   -------------------------------------------------------------------------- */

.pillars-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  margin-top: var(--space-5);
}

.pillar__label {
  display: block;
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--colour-navy);
  margin-bottom: var(--space-2);
}

.pillar__label::before {
  content: "";
  display: block;
  width: 2rem;
  height: 3px;
  background-color: var(--colour-gold);
  margin-bottom: var(--space-3);
}

.pillar p {
  color: var(--colour-text-muted);
  max-width: 40ch;
}

/* --------------------------------------------------------------------------
   CTA band
   -------------------------------------------------------------------------- */

.cta-band {
  background-color: var(--colour-navy);
  padding-block: var(--space-7);
  text-align: center;
}

.cta-band h2 {
  color: var(--colour-white);
  margin-bottom: var(--space-3);
}

.cta-band p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-5);
  margin-inline: auto;
  max-width: 52ch;
}

.cta-band .btn-group {
  justify-content: center;
}

/* --------------------------------------------------------------------------
   Page intro
   -------------------------------------------------------------------------- */

.page-intro {
  background-color: var(--colour-off-white);
  padding-block: var(--space-7);
}

.page-intro h1 {
  margin-bottom: var(--space-4);
}

.page-intro p {
  font-size: 1.0625rem;
  color: var(--colour-text-muted);
}

/* --------------------------------------------------------------------------
   Services page
   -------------------------------------------------------------------------- */

.service-section {
  padding-block: var(--space-7);
  border-bottom: 1px solid var(--colour-border);
}

.service-section:last-of-type {
  border-bottom: none;
}

.service-section > p {
  color: var(--colour-text-muted);
  margin-bottom: var(--space-3);
}

.service-section h3 {
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--colour-navy);
  margin-top: var(--space-5);
  margin-bottom: var(--space-3);
}

.service-section ul {
  margin-bottom: var(--space-3);
  color: var(--colour-text-muted);
}

.service-meta {
  background-color: var(--colour-off-white);
  padding: var(--space-4);
  border-left: 3px solid var(--colour-gold);
  margin-top: var(--space-5);
}

.service-meta p {
  color: var(--colour-text-muted);
  margin-bottom: var(--space-2);
}

.service-meta p:last-child {
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Industries page
   -------------------------------------------------------------------------- */

.industry-section {
  padding-block: var(--space-7);
  border-bottom: 1px solid var(--colour-border);
}

.industry-section:last-of-type {
  border-bottom: none;
}

.industry-section h2 {
  margin-bottom: var(--space-4);
}

.industry-section > p {
  color: var(--colour-text-muted);
  margin-bottom: var(--space-3);
}

.industry-list {
  margin-top: var(--space-3);
}

.industry-list li {
  color: var(--colour-text-muted);
}

/* --------------------------------------------------------------------------
   About page
   -------------------------------------------------------------------------- */

.about-bio {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  align-items: start;
}

.about-headshot {
  width: 100%;
  max-width: 280px;
  border-radius: 4px;
}

.about-section {
  padding-block: var(--space-7);
  border-bottom: 1px solid var(--colour-border);
}

.about-section:last-of-type {
  border-bottom: none;
}

.about-section h2 {
  margin-bottom: var(--space-4);
}

.about-section > p {
  color: var(--colour-text-muted);
  margin-bottom: var(--space-3);
}

.about-principles {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-top: var(--space-4);
}

.principle p {
  color: var(--colour-text-muted);
  margin-bottom: 0;
}

.principle strong {
  color: var(--colour-navy);
}

.credentials-list {
  list-style: none;
  padding: 0;
  margin-top: var(--space-3);
}

.credentials-list li {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--colour-border);
  display: flex;
  gap: var(--space-3);
  align-items: center;
  color: var(--colour-text-muted);
  margin: 0;
}

.credentials-list li::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  min-width: 8px;
  background-color: var(--colour-gold);
  border-radius: 50%;
}

/* --------------------------------------------------------------------------
   Contact page
   -------------------------------------------------------------------------- */

.contact-intro {
  background-color: var(--colour-off-white);
  padding-block: var(--space-7);
}

.contact-section {
  padding-block: var(--space-7);
  border-bottom: 1px solid var(--colour-border);
}

.contact-section:last-of-type {
  border-bottom: none;
}

.contact-section h2 {
  margin-bottom: var(--space-4);
}


/* Contact form */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.form-group label {
  font-weight: 700;
  font-size: 1rem;
}

.form-group input,
.form-group textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--colour-border);
  border-radius: 4px;
  background-color: var(--colour-white);
  color: var(--colour-text);
  transition: border-color 0.2s ease, outline-color 0.2s ease;
  width: 100%;
  max-width: 100%;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: 2px solid var(--colour-navy);
  outline-offset: 2px;
  border-color: var(--colour-navy);
}

.form-group textarea {
  resize: vertical;
  min-height: 160px;
}

.form-optional {
  font-weight: 400;
  color: var(--colour-text-muted);
}

.form-message {
  padding: var(--space-3) var(--space-4);
  border-radius: 4px;
  margin-bottom: var(--space-4);
  font-size: 1rem;
  display: none;
}

/* formspree/ajax removes the hidden attribute to reveal these */
.form-message--success:not([hidden]) {
  display: block;
  background-color: #eaf5ea;
  color: #1a4a1a;
  border: 1px solid #a8d8a8;
}

.form-message--error:not([hidden]) {
  display: block;
  background-color: #fdf0f0;
  color: #5a1a1a;
  border: 1px solid #e8b0b0;
}

/* Field-level error messages */
.field-error {
  display: none;
  color: #b0260e;
  font-size: 1rem;
  margin-top: var(--space-1);
}

.field-error:not(:empty) {
  display: block;
}

/* Invalid field highlight (set by formspree/ajax via aria-invalid) */
input[aria-invalid="true"],
textarea[aria-invalid="true"] {
  border-color: #b0260e;
  outline-color: #b0260e;
}

/* Disabled submit during submission */
.btn[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
}

.direct-contact {
  margin-top: var(--space-5);
}

.direct-contact address {
  font-style: normal;
}

.direct-contact address p {
  margin-bottom: var(--space-2);
  color: var(--colour-text-muted);
}

.email-reveal {
  font-weight: 700;
  color: var(--colour-navy);
}

/* --------------------------------------------------------------------------
   Privacy / prose pages
   -------------------------------------------------------------------------- */

.prose-section {
  padding-block: var(--space-7);
}

.prose-section h2 {
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
}

.prose-section h2:first-child {
  margin-top: 0;
}

.prose-section p,
.prose-section ul {
  color: var(--colour-text-muted);
  margin-bottom: var(--space-3);
}

.prose-section li {
  color: var(--colour-text-muted);
}

.prose-meta {
  font-style: italic;
  color: var(--colour-text-muted);
  margin-bottom: var(--space-5);
}

/* --------------------------------------------------------------------------
   404 page
   -------------------------------------------------------------------------- */

.error-page {
  padding-block: var(--space-8);
  text-align: center;
}

.error-page h1 {
  font-size: 2rem;
  margin-bottom: var(--space-4);
}

.error-page p {
  color: var(--colour-text-muted);
  margin-bottom: var(--space-5);
  margin-inline: auto;
}

/* --------------------------------------------------------------------------
   Responsive — 768px and wider
   -------------------------------------------------------------------------- */

@media (min-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 2rem;
  }

  /* Nav: show horizontal, hide toggle */
  .nav-toggle {
    display: none;
  }

  .primary-nav {
    display: flex !important;
    flex-direction: row;
    align-items: center;
    gap: var(--space-5);
    position: static;
    border: none;
    padding: 0;
    background: transparent;
  }

  .primary-nav__list {
    flex-direction: row;
    gap: var(--space-4);
  }

  /* Hero */
  .hero {
    padding-block: var(--space-8);
  }

  .hero h1 {
    font-size: 3rem;
  }

  .hero__tagline {
    font-size: 1.25rem;
  }

  /* Cards grid: 2×2 */
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Pillars: 2 columns */
  .pillars-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Footer grid */
  .site-footer__grid {
    grid-template-columns: 1.75fr 1fr 1fr;
  }

  /* About bio */
  .about-bio {
    grid-template-columns: auto 1fr;
  }

  .about-headshot {
    max-width: 240px;
  }

  /* About principles: 2 columns */
  .about-principles {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-5);
  }
}

/* --------------------------------------------------------------------------
   Responsive — 1100px and wider
   -------------------------------------------------------------------------- */

@media (min-width: 1100px) {
  /* Pillars: 4 across */
  .pillars-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}