/* ==========================================================================
   Strata NSW — shared styles (index, about, contact)
   Tokens are derived from the brand mark: navy ink, blueprint paper,
   and the teal / orange / magenta arc used sparingly as a signature accent.
   ========================================================================== */

:root {
  --ink: #101b3d;
  --ink-soft: #48526c;
  --paper: #f2f4f9;
  --paper-raised: #ffffff;
  --line: #d7dce6;
  --line-strong: #b7c0d1;

  --blue: #1c3fa8;
  --teal: #1cb2c4;
  --teal-deep: #0d6e7a;
  --orange: #ee7d3c;
  --orange-deep: #b95322;
  --magenta: #ad3391;
  --magenta-deep: #722269;
  --baby-blue: #dcedfb;
  --gradient: linear-gradient(90deg, var(--teal) 0%, var(--orange) 50%, var(--magenta) 100%);

  --font-display: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "Consolas", monospace;

  --container: 1120px;
  --radius: 3px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--ink-soft);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1.15;
  margin: 0 0 0.6em;
  letter-spacing: -0.01em;
}

p { margin: 0 0 1em; }

a { color: inherit; }

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-mono);
  font-size: 1.44rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);
}

.eyebrow::before {
  content: "";
  width: 0.9em;
  height: 0.9em;
  border: 1.5px solid var(--blue);
  border-radius: 1px;
  transform: rotate(45deg);
  flex: none;
}

/* Dimension-line divider: a hairline rule with tick marks, borrowed from
   architectural drawing convention, used to separate major sections. */
.tick-rule {
  height: 10px;
  margin: 0;
  background-image:
    linear-gradient(to right, var(--line-strong) 1px, transparent 1px);
  background-size: 32px 100%;
  background-position: center top;
  border-top: 1px solid var(--line-strong);
  position: relative;
}

/* ---------------------------- Header --------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(242, 244, 249, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.site-header::after {
  content: "";
  display: block;
  height: 3px;
  background: var(--gradient);
}

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0.7rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand-stamp {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  flex: none;
}

.brand-stamp img {
  height: 42px;
  width: auto;
  border-radius: var(--radius);
  background: #fff;
  padding: 3px 6px;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex: none;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  position: relative;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after { position: absolute; top: 6px; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-soft);
  padding-bottom: 0.3rem;
  border-bottom: 2px solid transparent;
}

.main-nav a:hover { color: var(--ink); }

.main-nav a.active {
  color: var(--ink);
  border-bottom-color: var(--orange);
}

.main-nav .btn {
  background: none;
  border: none;
  color: var(--ink);
  font-weight: 700;
  padding: 0;
}

.main-nav .btn:hover { background: none; color: var(--orange); }

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.7rem 1.4rem;
  background: var(--ink);
  color: #fff;
  text-decoration: none;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid var(--ink);
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease;
}

.btn:hover { background: #1c2c5c; }
.btn:active { transform: translateY(1px); }

.btn.ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}

.btn.ghost:hover { border-color: var(--ink); background: rgba(16, 27, 61, 0.04); }

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

.hero {
  padding: 4rem 0 4.5rem;
  background: var(--paper-raised);
  border-bottom: 1px solid var(--line);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
}

.hero-copy h1 {
  font-size: clamp(2.2rem, 4.4vw, 3.4rem);
  font-weight: 600;
  margin: 0.6em 0 0.5em;
}

.hero-copy .lede {
  font-size: 1.08rem;
  max-width: 42ch;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.6rem;
}

.hero-actions .link-more {
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--ink);
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
}

.hero-actions .link-more:hover { border-color: var(--ink); }

/* The logo, presented as a title-block plaque. */
.plaque {
  position: relative;
  background: var(--paper-raised);
  padding: 2.25rem 2rem;
  border-radius: var(--radius);
}

.plaque img { margin: 0 auto; max-width: 280px; }

/* ------------------------------ Level cards ----------------------------- */

.services {
  padding: 1rem 0 4rem;
}

.section-head {
  max-width: 60ch;
  margin-bottom: 2.5rem;
}

.section-head h2 {
  font-size: clamp(1.5rem, 2.6vw, 2.05rem);
  margin-top: 0.4em;
}

.level-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.level-card {
  --accent: var(--teal);
  --chip: var(--teal-deep);
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 1.6rem 1.5rem 1.8rem;
}

.level-card:nth-child(2) { --accent: var(--orange); --chip: var(--orange-deep); }
.level-card:nth-child(3) { --accent: var(--magenta); --chip: var(--magenta-deep); }

.level-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: #fff;
  background: var(--chip);
  padding: 0.25rem 0.6rem;
  border-radius: 2px;
  margin-bottom: 0.9rem;
}

.level-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.level-card p { margin-bottom: 0; font-size: 0.95rem; }

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

.band {
  background: var(--baby-blue);
  color: var(--ink-soft);
  padding: 3.25rem 0;
  position: relative;
}

.band::before {
  content: "";
  display: block;
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient);
}

.band h2 { color: var(--ink); }

.band ul {
  list-style: none;
  margin: 1.5rem 0 1.75rem;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.band li {
  padding-left: 1.4rem;
  position: relative;
}

.band li::before {
  content: "\2014";
  position: absolute;
  left: 0;
  color: var(--magenta);
  font-family: var(--font-mono);
}

.band-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: start;
}

/* ---------------------------------- Page header -------------------------- */

.page-hero {
  padding: 3.5rem 0 2.5rem;
}

.page-hero h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  margin: 0.5em 0 0.4em;
}

.page-hero .lede {
  max-width: 60ch;
  font-size: 1.05rem;
}

.page-hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
}

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

.content-section {
  padding: 2.75rem 0;
}

.content-section + .content-section {
  border-top: 1px solid var(--line);
}

.content-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3rem;
}

.content-grid .col-label {
  align-self: start;
}

.checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.checklist li {
  padding-left: 1.6rem;
  position: relative;
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 0.7em;
  height: 0.7em;
  border: 1.5px solid var(--orange);
  transform: rotate(45deg);
}

.pull-note {
  border-left: 3px solid var(--magenta);
  padding: 0.25rem 0 0.25rem 1.25rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--ink);
  margin: 1.5rem 0;
}

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

.contact-section {
  padding: 1rem 0 4rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 2.5rem;
}

.contact-col {
  display: flex;
  flex-direction: column;
}

.info-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.75rem;
}

.info-card h3 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--ink-soft);
  margin-bottom: 1rem;
}

.info-card ul {
  list-style: none;
  margin: 0 0 0.5rem;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.info-card li {
  padding-left: 1.1rem;
  position: relative;
  font-size: 0.95rem;
}

.info-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 5px;
  height: 5px;
  background: var(--teal);
}

.direct-contact {
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 1px dashed var(--line-strong);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  align-items: flex-start;
}

.direct-contact .label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  display: block;
  margin-bottom: 0.35rem;
}

.direct-contact a {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
}

.direct-contact a:hover { border-color: var(--ink); }

.icon {
  width: 16px;
  height: 16px;
  flex: none;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.form-card {
  flex: 1;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.9rem;
  display: flex;
  flex-direction: column;
}

form { display: flex; flex-direction: column; }

label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-top: 1rem;
  margin-bottom: 0.4rem;
}

label:first-of-type { margin-top: 0; }

input,
textarea {
  padding: 0.6rem 0.7rem;
  border-radius: var(--radius);
  border: 1px solid var(--line-strong);
  font: inherit;
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--ink);
  background: #fff;
}

.form-card button {
  margin-top: 1.4rem;
  align-self: flex-start;
}

.form-status {
  margin-top: 0.9rem;
  font-size: 0.85rem;
  color: var(--ink-soft);
  min-height: 1.2em;
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(16, 27, 61, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 1rem;
}

.modal-overlay.hidden { display: none; }

.modal-box {
  background: var(--paper-raised);
  border-radius: 1rem;
  padding: 2.5rem;
  max-width: 24rem;
  width: 100%;
  text-align: center;
  box-shadow: 0 25px 50px -12px rgba(16, 27, 61, 0.35);
  animation: modalPop 0.2s ease-out;
}

@keyframes modalPop {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

.modal-icon {
  width: 4rem;
  height: 4rem;
  margin: 0 auto 1rem;
  border-radius: 50%;
  background: var(--baby-blue);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-icon .icon {
  width: 30px;
  height: 30px;
  color: var(--teal-deep);
  stroke-width: 3.5;
}

.modal-box h3 {
  margin-bottom: 0.5rem;
}

.modal-box p {
  margin-bottom: 1.5rem;
}

.modal-box .btn {
  min-width: 8rem;
  padding: 0.75rem 2.5rem;
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 9999px;
}

.modal-box .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(16, 27, 61, 0.15);
}

.small {
  font-size: 0.85rem;
  color: var(--ink-soft);
}

/* ---------------------------------- Footer -------------------------------- */

.site-footer {
  position: relative;
  padding-top: 2.5rem;
  margin-top: 2rem;
  background: var(--ink);
  color: #aab4d1;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 2rem;
  padding-bottom: 2rem;
}

.footer-mark {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: #fff;
  margin-bottom: 0.7rem;
}

.footer-brand p {
  max-width: 32ch;
  font-size: 0.92rem;
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #7c88ac;
  margin-bottom: 0.9rem;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.footer-col a {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  color: #aab4d1;
  font-size: 0.92rem;
}

.footer-col a:hover { color: #fff; }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 1.1rem 0 1.6rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: #7c88ac;
  font-family: var(--font-mono);
}

/* ------------------------------ Reveal on scroll -------------------------- */

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn { transition: none; }
}

/* --------------------------------- Responsive ----------------------------- */

@media (max-width: 900px) {
  .hero-inner,
  .page-hero-inner,
  .band-inner,
  .content-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy,
  .page-hero-copy { order: 2; }
  .plaque { order: 1; max-width: 360px; }

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

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

@media (max-width: 700px) {
  .nav-toggle { display: inline-flex; }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--paper-raised);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
    padding: 1rem 1.5rem 1.5rem;
    gap: 0.9rem;
    display: none;
  }

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

  .main-nav a { border-bottom: none; padding: 0.3rem 0; }
  .main-nav a.active { color: var(--orange); }
  .main-nav .btn { align-self: flex-start; }

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