/* ==========================================================================
   T & R Formwork — Design Tokens
   ========================================================================== */
:root {
  /* Colour — light, sun-bright Perth palette. Charcoal is now a text/ink
     colour, not a section background; the site reads bright throughout. */
  --charcoal:        #23272A;   /* headings / high-contrast text */
  --charcoal-soft:    #3A3F3F;   /* secondary dark text on light backgrounds */
  --steel:            #5B6A67;   /* body copy on light backgrounds */
  --steel-light:      #8A9793;
  --concrete:         #C9CAC5;
  --concrete-dark:    #8B8D89;
  --paper:            #FBF9F5;   /* primary light background */
  --paper-dim:        #F1EDE3;   /* alternate warm section background */
  --sand:             #EFE7D8;   /* deeper warm section background */
  --sky:              #EAF4F7;   /* pale Perth-sky wash for the contact section */
  --sky-line:         #BEE0EA;
  --orange:           #E8590C;
  --orange-dark:      #C24C0A;
  --orange-wash:      #FDECE0;
  --white:            #FFFFFF;
  --ink:              #23211E;

  /* Type */
  --font-display: 'Barlow Condensed', sans-serif;
  --font-body: 'Barlow', sans-serif;

  /* Layout */
  --container: 1180px;
  --gutter: 20px;
  --radius: 4px;

  /* Motion */
  --ease: cubic-bezier(.25,.8,.25,1);
}

/* ==========================================================================
   Reset
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body, h1, h2, h3, p, ul, figure, form { margin: 0; }
ul { padding: 0; list-style: none; }
img { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }

html, body { overflow-x: hidden; width: 100%; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  font-size: 16px;
}

h1, h2, h3 { font-family: var(--font-display); font-weight: 700; line-height: 1.05; letter-spacing: 0.2px; }

.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--orange); color: var(--white);
  padding: 12px 18px; z-index: 999; font-weight: 600;
}
.skip-link:focus { left: 12px; top: 12px; }

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

.section-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.eyebrow {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange-dark);
  margin-bottom: 12px;
}
.eyebrow-light { color: var(--orange); }

.tie-dot {
  width: 8px; height: 8px; border-radius: 50%;
  border: 1.5px solid currentColor;
  position: relative; flex-shrink: 0;
}
.tie-dot::after {
  content: ""; position: absolute; inset: 2px; border-radius: 50%; background: currentColor;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 15px 28px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.02em;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  transition: transform .18s var(--ease), background-color .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease);
  min-height: 48px;
}
.btn-primary { background: var(--orange); color: var(--white); }
.btn-primary:hover { background: var(--orange-dark); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }
.btn-ghost { border-color: rgba(255,255,255,0.6); color: var(--white); }
.btn-ghost:hover { border-color: var(--white); background: rgba(255,255,255,0.14); }
.btn-block { width: 100%; }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  border-bottom: 1px solid rgba(35,39,42,0.08);
}
/* blur lives on a pseudo-element, not the header itself, so the header
   does not become a containing block for its fixed-position nav child
   (backdrop-filter on an element creates a containing block for fixed
   descendants, which would otherwise break the full-screen mobile menu) */
.site-header::before {
  content: "";
  position: absolute; inset: 0; z-index: -1;
  background: rgba(251,249,245,0.94);
  backdrop-filter: blur(6px);
}
.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
  height: 64px;
  display: flex; align-items: center; justify-content: space-between;
}
.brand { display: flex; align-items: baseline; gap: 8px; color: var(--charcoal); }
.brand-mark {
  font-family: var(--font-display); font-weight: 800; font-size: 22px;
  color: var(--orange); letter-spacing: 0.5px;
}
.brand-name {
  font-family: var(--font-display); font-weight: 700; font-size: 15px;
  letter-spacing: 0.12em;
}

.main-nav {
  position: fixed;
  top: 64px; left: 0; right: 0; bottom: 0;
  background: var(--paper);
  display: flex; flex-direction: column;
  align-items: stretch;
  padding: 8px var(--gutter) 32px;
  transform: translateX(100%);
  transition: transform .32s var(--ease);
  overflow-y: auto;
}
.main-nav.is-open { transform: translateX(0); }
.main-nav a {
  color: var(--charcoal-soft);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 22px;
  padding: 16px 4px;
  border-bottom: 1px solid rgba(35,39,42,0.1);
  min-height: 48px;
  display: flex; align-items: center;
}
.main-nav a:hover { color: var(--orange-dark); }
.main-nav .nav-cta {
  margin-top: 16px;
  background: var(--orange); color: var(--white);
  border-radius: var(--radius);
  justify-content: center;
  border-bottom: none;
  font-size: 17px;
}
.main-nav .nav-cta:hover { color: var(--white); }
.main-nav .nav-social {
  display: flex; align-items: center; gap: 8px;
}
.main-nav .nav-social .icon { width: 20px; height: 20px; color: var(--orange); flex-shrink: 0; }

.nav-toggle {
  width: 44px; height: 44px;
  background: none; border: none;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.nav-toggle span {
  display: block; width: 24px; height: 2px; background: var(--charcoal);
  transition: transform .25s var(--ease), opacity .2s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; align-items: flex-end;
  padding: 96px var(--gutter) 64px;
  color: var(--white);
  overflow: hidden;
  isolation: isolate;
}
.hero-bg {
  position: absolute; inset: 0;
  background-color: var(--sand);
  background-size: cover; background-position: center;
  z-index: -2;
  transform: scale(1.05);
}
.hero-scrim {
  position: absolute; inset: 0; z-index: -1;
  /* a lighter, warmer fade — just enough for the headline to stay
     legible without turning the photo into a night shot */
  background:
    linear-gradient(180deg, rgba(35,39,42,0.18) 0%, rgba(35,39,42,0.32) 45%, rgba(28,26,22,0.82) 100%);
}
.hero-content { max-width: 620px; }
.hero-content h1 {
  font-size: clamp(2.4rem, 9vw, 4rem);
  margin-bottom: 18px;
}
.hero-sub {
  font-size: 1.05rem;
  color: var(--concrete);
  max-width: 46ch;
  margin-bottom: 30px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.scroll-cue {
  position: absolute; bottom: 22px; right: var(--gutter);
  color: rgba(255,255,255,0.6);
  animation: bob 2.2s ease-in-out infinite;
}
@keyframes bob { 0%,100%{transform:translateY(0);} 50%{transform:translateY(6px);} }

/* ==========================================================================
   About
   ========================================================================== */
.about { padding: 72px 0; background: var(--paper); }
.about-grid { display: grid; gap: 36px; }
.about-copy { max-width: 68ch; }
.about-copy h2 { font-size: clamp(1.8rem, 6vw, 2.4rem); margin-bottom: 16px; color: var(--charcoal); }
.about-copy p { margin-bottom: 14px; color: var(--steel); max-width: 56ch; }
.about-copy strong { color: var(--charcoal); }

/* ==========================================================================
   Services
   ========================================================================== */
.services { padding: 72px 0; background: var(--sand); color: var(--charcoal);
  background-image:
    repeating-linear-gradient(90deg, rgba(35,39,42,0.045) 0 1px, transparent 1px 120px);
}
.services-title { font-size: clamp(1.8rem, 6vw, 2.4rem); max-width: 22ch; margin-bottom: 14px; color: var(--charcoal); }
.services-lede { color: var(--steel); max-width: 62ch; margin-bottom: 36px; }

.service-cards { display: grid; gap: 18px; }
.service-card {
  background: var(--white);
  border: 1px solid rgba(35,39,42,0.08);
  border-radius: var(--radius);
  padding: 28px 24px;
  position: relative;
  transition: border-color .2s var(--ease), transform .2s var(--ease), box-shadow .2s var(--ease);
}
.service-card:hover { border-color: var(--orange); transform: translateY(-3px); box-shadow: 0 12px 24px -12px rgba(35,39,42,0.18); }
.service-card h3 { font-size: 1.35rem; margin-bottom: 10px; color: var(--charcoal); }
.service-card p { color: var(--steel); font-size: 0.98rem; }

/* ==========================================================================
   Work / Gallery
   ========================================================================== */
.work { padding: 72px 0; background: var(--paper); }
.work h2 { font-size: clamp(1.8rem, 6vw, 2.4rem); color: var(--charcoal); margin-bottom: 16px; }
.work-lede { color: var(--steel); max-width: 56ch; margin-bottom: 28px; }
.work-instagram { display: inline-flex; gap: 10px; }
.work-instagram .icon { width: 20px; height: 20px; flex-shrink: 0; }

/* ==========================================================================
   Contact — people
   ========================================================================== */
.team-role { color: var(--orange-dark); font-weight: 700; font-size: 13px; letter-spacing: 0.05em; text-transform: uppercase; margin: 4px 0 10px; }

.contact-people { display: grid; gap: 22px; margin-top: 28px; }
.contact-person h3 { font-size: 1.3rem; color: var(--charcoal); margin-bottom: 2px; }
.contact-person { display: flex; flex-direction: column; }

.contact-link {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 6px;
  min-height: 44px;
  font-weight: 600;
  color: var(--charcoal);
  border-radius: var(--radius);
  transition: background-color .18s var(--ease), color .18s var(--ease);
  word-break: break-word;
}
.contact-link:hover { background: var(--paper-dim); color: var(--orange-dark); }
.contact-link .icon { width: 18px; height: 18px; flex-shrink: 0; color: var(--orange); }
.contact-link-light { color: var(--charcoal); }
.contact-link-light:hover { background: rgba(35,39,42,0.06); color: var(--orange-dark); }

/* ==========================================================================
   Contact
   ========================================================================== */
.contact { padding: 72px 0 88px; background: var(--sky); color: var(--charcoal); border-top: 1px solid var(--sky-line); }
.contact-grid { display: flex; justify-content: center; }
.contact-intro { max-width: 640px; text-align: center; }
.contact-intro h2 { font-size: clamp(1.8rem, 6vw, 2.4rem); margin-bottom: 14px; color: var(--charcoal); }
.contact-intro p { color: var(--steel); max-width: 50ch; margin: 0 auto 8px; }
.contact-intro .contact-people { justify-content: center; }
.contact-person { align-items: center; }
.contact-person .contact-link { justify-content: center; }
.contact-social {
  justify-content: center;
  margin-top: 24px;
  font-size: 1.05rem;
  border: 1px solid rgba(35,39,42,0.12);
}
.contact-social .icon { width: 20px; height: 20px; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { background: var(--paper-dim); border-top: 1px solid rgba(35,39,42,0.08); padding: 32px 0; color: var(--steel); }
.footer-inner { display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }
.footer-inner .brand { color: var(--charcoal); }
.footer-inner .brand-name { color: var(--charcoal-soft); }
.footer-meta { font-size: 13px; font-style: normal; }
.footer-copy { font-size: 12px; }
.footer-social {
  display: flex; align-items: center; gap: 8px;
  font-weight: 600; font-size: 13px; color: var(--charcoal-soft);
  transition: color .18s var(--ease);
}
.footer-social .icon { width: 18px; height: 18px; color: var(--orange); flex-shrink: 0; }
.footer-social:hover { color: var(--orange-dark); }

/* ==========================================================================
   Breakpoints
   ========================================================================== */

/* Tablet ≥ 640px */
@media (min-width: 640px) {
  .service-cards { grid-template-columns: repeat(2, 1fr); }
}

/* Small laptop ≥ 900px — nav becomes horizontal */
@media (min-width: 900px) {
  .header-inner { height: 76px; }
  .nav-toggle { display: none; }
  .main-nav {
    position: static;
    transform: none;
    flex-direction: row;
    align-items: center;
    background: none;
    padding: 0;
    overflow: visible;
    gap: 6px;
  }
  .main-nav a {
    color: var(--charcoal-soft);
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 600;
    padding: 10px 14px;
    border-bottom: none;
    min-height: auto;
  }
  .main-nav a:hover { color: var(--orange-dark); }
  .main-nav .nav-cta {
    margin-top: 0; margin-left: 8px;
    padding: 10px 20px;
  }
  .main-nav .nav-social { padding: 10px 12px; }

  .hero { padding: 0 48px 96px; align-items: center; }
  .hero-content { max-width: 680px; }

  .service-cards { grid-template-columns: repeat(4, 1fr); }

  .contact-people { grid-template-columns: repeat(2, 1fr); gap: 48px; }

  .footer-inner { flex-direction: row; justify-content: space-between; align-items: center; }
}

/* Desktop ≥ 1200px */
@media (min-width: 1200px) {
  :root { --gutter: 32px; }
  .hero-content h1 { font-size: 4.6rem; }
  .about-copy h2, .services-title, .work h2, .contact-intro h2 { font-size: 2.8rem; }
}