/* =========================================================
   Sydney Waterproofing Tech
   Palette: brand blue #1AABF0 on black, from the folded-W logo
   ========================================================= */
:root {
  --black: #0B0B0B;
  --ink: #141414;
  --coal: #1E1E1E;
  --accent: #1AABF0;
  --accent-deep: #0E8BC9;
  --white: #FFFFFF;
  --bone: #F3F0EB;
  --stone: #DCD7CF;
  --grey: #7A7A7A;
  --display: "Barlow Condensed", "Arial Narrow", Impact, sans-serif;
  --body: "Barlow", "Helvetica Neue", Arial, sans-serif;
  --wrap: 1280px;
  --gutter: clamp(16px, 4vw, 48px);
  --header-h: 84px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--white);
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; }
p { margin: 0; }
ul, ol, dl { margin: 0; padding: 0; }
.wrap { width: min(100% - 2 * var(--gutter), var(--wrap)); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--accent); color: #000; padding: 8px 12px; z-index: 999; }
.skip:focus { left: 8px; }

[id] { scroll-margin-top: 72px; }

/* ---------- Typography ---------- */
.display, .display-sm {
  font-family: var(--display);
  font-weight: 900;
  text-transform: uppercase;
  line-height: 0.9;
  letter-spacing: -0.015em;
  color: var(--black);
}
.display { font-size: clamp(3.4rem, 9.5vw, 8.2rem); }
.display-sm { font-size: clamp(2.6rem, 5.6vw, 4.6rem); }
.display.light { color: var(--white); }
.o { color: var(--accent); }
.lead {
  font-size: clamp(1.05rem, 1.5vw, 1.35rem);
  font-weight: 500;
  line-height: 1.5;
  max-width: 44ch;
  color: rgba(255,255,255,.88);
}
.lead.dark { color: #3A3A3A; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: 14px 26px;
  border: 2px solid transparent;
  transition: transform .15s ease, background .15s ease, color .15s ease, border-color .15s ease;
  white-space: nowrap;
  cursor: pointer;
}
.btn:active { transform: translateY(1px); }
.btn-orange { background: var(--accent); color: #000; border-color: var(--accent); }
.btn-orange:hover { background: var(--accent-deep); border-color: var(--accent-deep); color: #fff; }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.75); }
.btn-ghost:hover { background: #fff; color: #000; border-color: #fff; }
.btn-lg { font-size: 1.35rem; padding: 18px 34px; }
.btn-block { width: 100%; }
.cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: var(--header-h);
  background: linear-gradient(to bottom, rgba(0,0,0,.72), rgba(0,0,0,0));
  transition: background .3s ease, height .3s ease;
}
.site-header.solid { background: var(--black); height: 72px; box-shadow: 0 2px 0 var(--accent); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand img { height: 40px; width: auto; }
.site-header.solid .brand img { height: 34px; }
.nav { display: flex; gap: 30px; }
.nav a {
  font-family: var(--display); font-weight: 700; font-size: 1.1rem; letter-spacing: .06em; text-transform: uppercase;
  color: #fff; padding: 6px 0; border-bottom: 2px solid transparent; transition: border-color .15s;
}
.nav a:hover { border-color: var(--accent); }
.header-cta { display: flex; align-items: center; gap: 22px; }
.phone { display: inline-flex; align-items: center; gap: 8px; font-family: var(--display); font-weight: 800; font-size: 1.35rem; color: #fff; letter-spacing: .02em; }
.phone svg { color: var(--accent); }
.burger { display: none; background: none; border: 0; padding: 10px; cursor: pointer; }
.burger span { display: block; width: 28px; height: 3px; background: #fff; margin: 5px 0; transition: transform .2s, opacity .2s; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
.mobile-menu {
  display: none; flex-direction: column; gap: 6px;
  position: absolute; top: 100%; left: 0; right: 0;
  background: var(--black); padding: 20px var(--gutter) 28px; border-top: 2px solid var(--accent);
}
.mobile-menu.open { display: flex; }
.mobile-menu > a:not(.btn) { font-family: var(--display); font-weight: 700; font-size: 1.6rem; text-transform: uppercase; color: #fff; padding: 10px 0; border-bottom: 1px solid #262626; }
.mobile-menu .btn { margin-top: 10px; }

/* ---------- Full-screen image panels (shared) ---------- */
.hero, .panel, .cta-full { position: relative; isolation: isolate; color: #fff; }
.bg { position: absolute; inset: 0; z-index: -1; overflow: hidden; }
.bg img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Hero ---------- */
.hero { min-height: 100svh; display: flex; flex-direction: column; justify-content: flex-end; }
.hero .bg::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(to top, rgba(0,0,0,.92) 0%, rgba(0,0,0,.45) 45%, rgba(0,0,0,.25) 100%),
    linear-gradient(to right, rgba(0,0,0,.55) 0%, rgba(0,0,0,0) 60%);
}
.hero-inner { padding: calc(var(--header-h) + 60px) 0 72px; }
.hero .display { font-size: clamp(4.2rem, 13vw, 11rem); color: #fff; }
.hero .lead { margin-top: 26px; }
.hero-strip { background: var(--accent); color: #000; }
.strip-inner {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 28px; padding: 14px 0;
  font-family: var(--display); font-weight: 800; font-size: 1.05rem; letter-spacing: .08em; text-transform: uppercase;
}
.strip-inner span::before { content: "■ "; font-size: .7em; vertical-align: 2px; }

/* ---------- Stats ---------- */
.stats { background: var(--black); color: #fff; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 40px 20px; text-align: center; border-left: 1px solid #262626; }
.stat:first-child { border-left: 0; }
.stat strong { display: block; font-family: var(--display); font-weight: 900; font-size: clamp(3rem, 6vw, 5.2rem); line-height: 1; color: var(--accent); }
.stat span { display: block; margin-top: 6px; font-family: var(--display); font-weight: 700; font-size: 1.1rem; letter-spacing: .1em; text-transform: uppercase; color: #BDBDBD; }

/* ---------- Services intro ---------- */
.intro { background: var(--bone); padding: clamp(80px, 11vw, 150px) 0 clamp(50px, 6vw, 80px); }
.intro .lead { margin-top: 30px; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 40px; }
.chips a {
  font-family: var(--display); font-weight: 700; font-size: 1.05rem; letter-spacing: .06em; text-transform: uppercase;
  padding: 10px 18px; border: 2px solid var(--black); color: var(--black); transition: background .15s, color .15s;
}
.chips a:hover { background: var(--black); color: var(--accent); }

/* ---------- Service panels ---------- */
.panel { min-height: 100svh; display: flex; align-items: center; padding: 100px 0; }
.panel .bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to right, rgba(0,0,0,.8) 0%, rgba(0,0,0,.45) 50%, rgba(0,0,0,.15) 100%); }
.panel.right .bg::after { background: linear-gradient(to left, rgba(0,0,0,.8) 0%, rgba(0,0,0,.45) 50%, rgba(0,0,0,.15) 100%); }
.panel-inner { display: flex; }
.panel.right .panel-inner { justify-content: flex-end; }
.card { max-width: 600px; }
.card .display-sm { color: #fff; }
.card .display-sm::after { content: ""; display: block; width: 90px; height: 8px; background: var(--accent); margin-top: 22px; }
.card > p { margin-top: 24px; font-size: 1.12rem; color: rgba(255,255,255,.88); max-width: 52ch; }
.list { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 8px 24px; margin: 28px 0 34px; }
.list li { position: relative; padding-left: 20px; font-weight: 600; font-size: 1.02rem; color: #fff; }
.list li::before { content: ""; position: absolute; left: 0; top: .55em; width: 10px; height: 10px; background: var(--accent); }

/* ---------- Why us ---------- */
.why { background: var(--black); color: #fff; padding: clamp(80px, 11vw, 150px) 0; }
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; margin-top: 60px; background: #262626; }
.why-item { background: var(--black); padding: 40px 28px 44px; }
.why-item svg { width: 54px; height: 54px; fill: none; stroke: var(--accent); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.why-item h3 { font-family: var(--display); font-weight: 800; font-size: 1.9rem; text-transform: uppercase; line-height: 1; margin-top: 22px; }
.why-item p { margin-top: 14px; color: #BDBDBD; font-size: 1rem; }

/* ---------- Process ---------- */
.process { background: var(--white); padding: clamp(80px, 11vw, 150px) 0; }
.steps { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 36px; margin-top: 60px; }
.steps li { border-top: 6px solid var(--black); padding-top: 22px; }
.num { font-family: var(--display); font-weight: 900; font-size: 4.6rem; line-height: 1; color: var(--accent); display: block; }
.steps h3 { font-family: var(--display); font-weight: 800; font-size: 1.8rem; text-transform: uppercase; line-height: 1; margin-top: 10px; }
.steps p { margin-top: 12px; color: #4A4A4A; }

/* ---------- Reviews ---------- */
.reviews { background: var(--bone); padding: clamp(80px, 11vw, 150px) 0; }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 60px; }
.review { margin: 0; background: var(--white); padding: 36px 32px 32px; border-left: 8px solid var(--accent); display: flex; flex-direction: column; }
.stars { color: var(--accent); font-size: 1.4rem; letter-spacing: 3px; }
.review p { margin-top: 16px; font-size: 1.1rem; font-weight: 500; flex: 1; }
.review footer { margin-top: 22px; font-size: .95rem; color: var(--grey); }
.review footer strong { display: block; font-family: var(--display); font-weight: 800; font-size: 1.3rem; text-transform: uppercase; color: var(--black); }

/* ---------- Big CTA ---------- */
.cta-full { min-height: 90svh; display: flex; align-items: center; padding: 120px 0; text-align: center; }
.cta-full .bg::after { content: ""; position: absolute; inset: 0; background: rgba(0,0,0,.72); }
.cta-inner { display: flex; flex-direction: column; align-items: center; }
.cta-full .lead { margin-top: 28px; text-align: center; }
.cta-full .cta-row { justify-content: center; }

/* ---------- Contact ---------- */
.contact { background: var(--white); padding: clamp(80px, 11vw, 150px) 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contact-copy .lead { margin-top: 28px; }
.details { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-top: 44px; }
.details dt { font-family: var(--display); font-weight: 800; font-size: 1.05rem; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }
.details dd { margin: 4px 0 0; font-weight: 600; font-size: 1.1rem; }
.details a:hover { color: var(--accent); }
.quote-form { background: var(--black); color: #fff; padding: 40px; }
.quote-form h3 { font-family: var(--display); font-weight: 900; font-size: 2.4rem; text-transform: uppercase; line-height: 1; }
.field { margin-top: 18px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field label { display: block; font-family: var(--display); font-weight: 700; font-size: 1rem; letter-spacing: .08em; text-transform: uppercase; color: #BDBDBD; margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-size: 1.05rem; color: #fff;
  background: var(--coal); border: 2px solid #333; padding: 12px 14px; border-radius: 0; outline: none;
  transition: border-color .15s;
}
.field select option { color: #000; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent); }
.field input.invalid, .field select.invalid { border-color: #ff4d4d; }
.quote-form .btn-block { margin-top: 26px; }
.form-note { margin-top: 14px; font-size: .9rem; color: #9A9A9A; text-align: center; }
.hp { position: absolute; left: -9999px; }
.form-success { margin-top: 24px; padding: 24px; background: var(--coal); border-left: 6px solid var(--accent); }
.form-success strong { font-family: var(--display); font-weight: 800; font-size: 1.6rem; text-transform: uppercase; display: block; }
.form-success p { margin-top: 8px; color: #BDBDBD; }
.form-success a { color: var(--accent); font-weight: 700; }
.quote-form.sent .field, .quote-form.sent .btn-block, .quote-form.sent .form-note, .quote-form.sent .row2 { display: none; }

/* ---------- Footer ---------- */
.site-footer { background: var(--black); color: #BDBDBD; padding: 80px 0 110px; border-top: 6px solid var(--accent); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 50px; }
.footer-brand img { width: 220px; }
.footer-brand p { margin-top: 22px; max-width: 34ch; }
.footer-brand .phone { margin-top: 18px; color: var(--accent); font-size: 1.6rem; }
.site-footer h4 { font-family: var(--display); font-weight: 800; font-size: 1.2rem; letter-spacing: .1em; text-transform: uppercase; color: #fff; margin-bottom: 16px; }
.site-footer div > a { display: block; padding: 5px 0; color: #BDBDBD; }
.site-footer div > a:hover { color: var(--accent); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; margin-top: 60px; padding-top: 24px; border-top: 1px solid #262626; font-size: .9rem; color: #7A7A7A; }

/* ---------- Mobile sticky bar ---------- */
.sticky-bar {
  display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 90;
  grid-template-columns: 1fr 1fr; gap: 8px; padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
  background: var(--black); border-top: 2px solid var(--accent);
}
.sticky-bar .btn { padding: 13px 10px; font-size: 1.1rem; }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .5s ease, transform .5s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .nav { display: none; }
  .header-cta .btn { display: none; }
  .burger { display: block; }
}
@media (max-width: 900px) {
  .why-grid, .steps { grid-template-columns: 1fr 1fr; }
  .review-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 44px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 700px) {
  :root { --header-h: 68px; }
  body { font-size: 16px; }
  .header-cta { display: none; }
  .brand img, .site-header.solid .brand img { height: 28px; }
  .hero { justify-content: flex-end; }
  .hero-inner { padding-bottom: 48px; }
  .hero-strip { display: none; }
  .display br, .display-sm br { display: none; }
  .hero .cta-row .btn-ghost, .cta-full .cta-row .btn-ghost { display: none; }
  .stat span { font-size: .95rem; letter-spacing: .06em; }
  .cta-full { min-height: auto; padding: 90px 0; }
  .hero .display { font-size: clamp(3.6rem, 19vw, 6rem); }
  .cta-row .btn { width: 100%; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat { padding: 28px 10px; border-left: 0; border-top: 1px solid #262626; }
  .stat:nth-child(-n+2) { border-top: 0; }
  .stat:nth-child(even) { border-left: 1px solid #262626; }
  .panel { min-height: auto; padding: 80px 0; }
  .panel .bg::after, .panel.right .bg::after { background: linear-gradient(to top, rgba(0,0,0,.9) 0%, rgba(0,0,0,.75) 60%, rgba(0,0,0,.45) 100%); }
  .list { grid-template-columns: 1fr; }
  .why-grid, .steps { grid-template-columns: 1fr; }
  .why-item { padding: 30px 22px; }
  .details { grid-template-columns: 1fr; gap: 18px; }
  .quote-form { padding: 28px 20px; }
  .row2 { grid-template-columns: 1fr; gap: 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .sticky-bar { display: grid; }
  .site-footer { padding-bottom: 120px; }
}