/* ============================================
   ULTIMATE CARPET CLEANING PERTH
   Commercial focus. Same brand palette as TUC.
   Darker, more authoritative tone.
   ============================================ */

:root {
  --navy: #0D2233;
  --blue: #1B7DB5;
  --blue-pale: #E8F3FA;
  --green: #5A8C28;
  --green-dark: #416A1A;
  --ink: #3A4A55;
  --ink-soft: #637078;
  --paper: #FFFFFF;
  --off-white: #F7F9FA;
  --line: #DCE4E8;
  --font-display: 'Newsreader', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius: 6px;
  --shadow: 0 2px 24px rgba(13,34,51,0.08);
  --container: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font-body); color: var(--ink); background: var(--paper); line-height: 1.65; -webkit-font-smoothing: antialiased; }
h1,h2,h3,h4 { font-family: var(--font-display); color: var(--navy); line-height: 1.15; margin: 0 0 0.5em; font-weight: 500; }
h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); }
h3 { font-size: 1.1rem; font-weight: 600; font-family: var(--font-body); }
p { margin: 0 0 1em; color: var(--ink); }
a { color: var(--blue); text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.eyebrow { display: inline-block; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; font-size: 0.72rem; color: var(--blue); margin-bottom: 12px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 26px; border-radius: var(--radius); font-weight: 600; font-size: 0.95rem; cursor: pointer; border: 1px solid transparent; transition: all 0.15s ease; font-family: var(--font-body); }
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--blue); }
.btn-green { background: var(--green); color: #fff; }
.btn-green:hover { background: var(--green-dark); }
.btn-ghost { background: transparent; color: var(--navy); border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--navy); }
.btn-on-dark { background: #fff; color: var(--navy); }
.btn-on-dark:hover { background: var(--blue-pale); }

/* Header */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.96); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.site-header .container { display: flex; align-items: center; justify-content: space-between; padding-top: 12px; padding-bottom: 12px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 36px; width: auto; }
.brand-text { display: flex; flex-direction: column; }
.brand-name { font-family: var(--font-display); font-size: 1rem; font-weight: 500; color: var(--navy); line-height: 1.1; }
.brand-sub { font-size: 0.68rem; color: var(--ink-soft); letter-spacing: 0.08em; text-transform: uppercase; }
nav.main-nav { display: flex; align-items: center; gap: 28px; }
nav.main-nav a { color: var(--navy); font-weight: 500; font-size: 0.9rem; }
nav.main-nav a:hover { color: var(--blue); }
.header-cta { display: flex; align-items: center; gap: 14px; }
.phone-link { font-weight: 700; color: var(--navy); font-size: 0.95rem; white-space: nowrap; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--navy); margin: 5px 0; }

@media (max-width: 880px) {
  nav.main-nav { position: fixed; top: 66px; left: 0; right: 0; background: #fff; flex-direction: column; align-items: flex-start; padding: 20px 24px 28px; gap: 16px; box-shadow: var(--shadow); transform: translateY(-12px); opacity: 0; pointer-events: none; transition: opacity 0.2s ease, transform 0.2s ease; }
  nav.main-nav.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-toggle { display: block; }
  .header-cta .btn-ghost { display: none; }
  .phone-link { display: none; }
  .brand-text { display: none; }
}

/* Hero — dark navy split with diagonal */
.hero { position: relative; background: var(--navy); overflow: hidden; }
.hero-diagonal { position: absolute; right: 0; top: 0; bottom: 0; width: 45%; background: var(--blue); clip-path: polygon(18% 0, 100% 0, 100% 100%, 0% 100%); }
.hero .container { position: relative; z-index: 1; display: grid; grid-template-columns: 1.1fr 0.9fr; min-height: 520px; }
.hero-copy { display: flex; flex-direction: column; justify-content: center; padding: 64px 48px 64px 0; }
.hero-copy .eyebrow { color: rgba(255,255,255,0.6); }
.hero-copy h1 { color: #fff; }
.hero-copy p { color: rgba(255,255,255,0.8); max-width: 500px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.hero-right { display: flex; flex-direction: column; justify-content: center; padding: 64px 0 64px 48px; }
.hero-stats { display: grid; gap: 20px; }
.hero-stat { background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12); border-radius: var(--radius); padding: 22px 24px; }
.hero-stat strong { display: block; font-family: var(--font-display); font-size: 1.8rem; color: #fff; font-weight: 500; }
.hero-stat span { font-size: 0.82rem; color: rgba(255,255,255,0.65); }

@media (max-width: 880px) {
  .hero .container { grid-template-columns: 1fr; min-height: 0; }
  .hero-diagonal { display: none; }
  .hero-copy { padding: 48px 0 32px; }
  .hero-right { padding: 0 0 48px; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
}

/* Sections */
section { padding: 80px 0; }
.section-tint { background: var(--off-white); }
.section-dark { background: var(--navy); }
.section-head { max-width: 620px; margin: 0 auto 48px; text-align: center; }
.section-head.left { margin: 0 0 48px; text-align: left; }

/* Sectors grid */
.sectors-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.sector-card { background: var(--paper); padding: 36px 30px; transition: background 0.15s; position: relative; overflow: hidden; }
.sector-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--blue); transform: scaleX(0); transform-origin: left; transition: transform 0.25s ease; }
.sector-card:hover { background: var(--blue-pale); }
.sector-card:hover::before { transform: scaleX(1); }
.sector-icon { width: 44px; height: 44px; margin-bottom: 16px; stroke: var(--blue); stroke-width: 1.5; fill: none; stroke-linecap: round; stroke-linejoin: round; }
@media (max-width: 880px) { .sectors-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .sectors-grid { grid-template-columns: 1fr; } }

/* Process */
.process-row { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.process-step { padding: 32px 24px; border-right: 1px solid var(--line); }
.process-step:last-child { border-right: none; }
.process-num { font-family: var(--font-display); font-size: 0.8rem; color: var(--blue); font-weight: 600; letter-spacing: 0.1em; margin-bottom: 10px; display: block; }
@media (max-width: 880px) { .process-row { grid-template-columns: 1fr 1fr; } .process-step { border-bottom: 1px solid var(--line); } }

/* Why list */
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.why-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 20px; }
.why-list li { display: flex; gap: 14px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.why-list li:last-child { border-bottom: none; padding-bottom: 0; }
.why-list li svg { flex-shrink: 0; width: 20px; height: 20px; stroke: var(--green); stroke-width: 2.5; fill: none; margin-top: 2px; }
@media (max-width: 880px) { .why-grid { grid-template-columns: 1fr; gap: 32px; } }

/* Reviews */
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.review-card { background: var(--paper); padding: 30px; }
.stars { color: var(--green); margin-bottom: 12px; font-size: 0.9rem; font-weight: 700; letter-spacing: 2px; }
.review-source { font-size: 0.78rem; font-weight: 600; color: var(--ink-soft); margin-top: 14px; text-transform: uppercase; letter-spacing: 0.08em; }
@media (max-width: 880px) { .reviews-grid { grid-template-columns: 1fr; } }

/* Areas */
.areas-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.area-chip { background: var(--paper); padding: 14px 10px; text-align: center; font-weight: 600; color: var(--navy); font-size: 0.82rem; transition: background 0.15s, color 0.15s; }
.area-chip:hover { background: var(--navy); color: #fff; }
@media (max-width: 1000px) { .areas-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 600px) { .areas-grid { grid-template-columns: repeat(3, 1fr); } }

/* FAQ */
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item:first-child { border-top: 1px solid var(--line); }
.faq-q { width: 100%; text-align: left; background: none; border: none; padding: 20px 4px; font-weight: 600; font-family: var(--font-body); color: var(--navy); font-size: 0.98rem; cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
.faq-q .plus { font-size: 1.2rem; color: var(--blue); font-weight: 400; transition: transform 0.2s; }
.faq-item.open .plus { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.25s ease; padding: 0 4px; }
.faq-item.open .faq-a { max-height: 200px; padding-bottom: 20px; }

/* CTA */
.final-cta { background: var(--navy); padding: 56px 48px; text-align: center; }
.final-cta h2 { color: #fff; }
.final-cta p { color: rgba(255,255,255,0.75); }
.final-cta .hero-actions { justify-content: center; }

/* Footer */
.site-footer { background: var(--navy); color: rgba(255,255,255,0.65); padding: 52px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.site-footer h4 { color: #fff; font-family: var(--font-body); font-size: 0.85rem; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 14px; }
.site-footer a { color: rgba(255,255,255,0.65); }
.site-footer a:hover { color: #fff; }
.footer-logo img { height: 32px; margin-bottom: 12px; }
.footer-links { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; font-size: 0.9rem; }
.footer-bottom { margin-top: 40px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,0.1); font-size: 0.8rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr; } }

/* Sticky mobile call */
.sticky-call { display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 200; background: var(--green); color: #fff; text-align: center; font-weight: 600; padding: 15px; font-size: 0.95rem; }
@media (max-width: 880px) { .sticky-call { display: block; } body { padding-bottom: 58px; } }

/* Reveal */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.5s ease, transform 0.5s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { .reveal { transition: none !important; opacity: 1 !important; transform: none !important; } }

/* Page hero (suburb pages) */
.page-hero { background: var(--off-white); border-bottom: 1px solid var(--line); padding: 52px 0 44px; text-align: center; }
.breadcrumb { font-size: 0.8rem; color: var(--ink-soft); margin-bottom: 12px; }
.breadcrumb a { color: var(--blue); }

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