/* ==========================================================================
   SESA - Specialised Encapsulation Services Australia
   Shared stylesheet
   Brand direction: industrial. Light chrome (header, footer), dark content sections.
   Accent is the hi-vis orange taken from the dot artwork in the SESA logo.
   Replace the accent and ink values below if final brand colours differ.
   ========================================================================== */

:root {
  --ink:        #0b0f14;
  --navy:       #101922;
  --navy-2:     #16212c;
  --charcoal:   #1c242d;
  --line:       #2a3743;
  --paper:      #f6f4f0;
  --paper-2:    #ebe7e0;
  --text:       #1a1f26;
  --text-muted: #55606b;
  --on-dark:    #e9e6e1;
  --on-dark-mut:#9aa7b3;
  --accent:     #d9600f;
  --accent-lt:  #ff7a1a;
  --accent-dk:  #a3450a;

  --wrap: 1180px;
  --gap: clamp(1.25rem, 3vw, 2.5rem);

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--accent-dk); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 {
  line-height: 1.15;
  margin: 0 0 .6em;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.1rem, 5.2vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.4rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); letter-spacing: -0.01em; }
h4 { font-size: 1.02rem; letter-spacing: 0; }

p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 1.5rem; }
.narrow { max-width: 820px; }

/* ---------- Utility ---------- */

.eyebrow {
  display: inline-block;
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent-dk);
  margin-bottom: .9rem;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 28px; height: 2px;
  background: var(--accent);
  vertical-align: middle;
  margin-right: .7rem;
  position: relative; top: -2px;
}

.lead { font-size: clamp(1.05rem, 1.7vw, 1.22rem); color: var(--text-muted); }
.dark .lead, .darker .lead { color: var(--on-dark-mut); }

section { padding: clamp(3.2rem, 7vw, 5.5rem) 0; }
section.tight { padding: clamp(2.4rem, 5vw, 3.6rem) 0; }

.dark   { background: var(--navy);   color: var(--on-dark); }
.darker { background: var(--ink);    color: var(--on-dark); }
.alt    { background: var(--paper-2); }
.dark h1, .dark h2, .dark h3, .dark h4,
.darker h1, .darker h2, .darker h3, .darker h4 { color: #fff; }
.dark a, .darker a { color: var(--accent-lt); }

.dark .eyebrow, .darker .eyebrow, .hero .eyebrow,
.page-hero .eyebrow, .cta-band .eyebrow { color: var(--accent-lt); }
.dark .eyebrow::before, .darker .eyebrow::before, .hero .eyebrow::before,
.page-hero .eyebrow::before, .cta-band .eyebrow::before { background: var(--accent-lt); }

.rule { height: 3px; width: 56px; background: var(--accent); border: 0; margin: 0 0 1.6rem; }

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

.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255,255,255,.97);
  border-bottom: 1px solid #ddd7cd;
  backdrop-filter: saturate(140%) blur(6px);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; min-height: 84px;
}
.brand { display: flex; align-items: center; text-decoration: none; flex: none; }
.brand:hover { text-decoration: none; }
.brand img { height: 46px; width: auto; }

.nav { display: flex; align-items: center; gap: 1.3rem; }
.nav a {
  color: var(--text); font-size: .86rem; font-weight: 600;
  letter-spacing: .01em; padding: .4rem 0; text-decoration: none;
  border-bottom: 2px solid transparent; white-space: nowrap;
}
.nav a:hover { color: var(--ink); border-bottom-color: var(--accent); text-decoration: none; }
.nav a.active { color: var(--ink); border-bottom-color: var(--accent); }

.header-cta {
  display: inline-flex; align-items: center; gap: .5rem;
  background: var(--accent-dk); color: #fff !important;
  padding: .65rem 1.1rem; border-radius: 2px; font-weight: 700;
  font-size: .84rem; border-bottom: 0 !important;
}
.header-cta:hover { background: #c25509; text-decoration: none; }

.nav-toggle {
  display: none; background: none; border: 1px solid #cfc8bd;
  color: var(--text); padding: .55rem .7rem; border-radius: 2px; cursor: pointer;
  font-size: .8rem; font-weight: 700; letter-spacing: .08em;
}

@media (max-width: 1040px) {
  .nav-toggle { display: block; }
  .brand img { height: 40px; }
  .nav {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid #ddd7cd;
    padding: .6rem 1.5rem 1.2rem; box-shadow: 0 12px 24px rgba(0,0,0,.10);
  }
  .nav.open { display: flex; }
  .nav a { padding: .9rem 0; border-bottom: 1px solid #ece7df; }
  .nav a:hover, .nav a.active { border-bottom-color: #ece7df; }
  .header-cta { margin-top: .9rem; justify-content: center; }
  .header-inner { position: relative; min-height: 74px; }
}
@media (max-width: 420px) { .brand img { height: 34px; } }

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

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .55rem; padding: .95rem 1.6rem; border-radius: 2px;
  font-weight: 700; font-size: .93rem; letter-spacing: .01em;
  border: 2px solid transparent; cursor: pointer; text-decoration: none;
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent-dk); color: #fff; border-color: var(--accent-dk); }
.btn-primary:hover { background: #c25509; border-color: #c25509; color: #fff; }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.42); }
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,.08); color: #fff; }
.btn-dark { background: var(--ink); color: #fff; border-color: var(--ink); }
.btn-dark:hover { background: var(--navy-2); border-color: var(--navy-2); color: #fff; }
.btn-row { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 2rem; }

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

.hero {
  position: relative; background: var(--ink); color: var(--on-dark);
  padding: clamp(3.5rem, 9vw, 7rem) 0 clamp(3rem, 7vw, 5rem);
  overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(1100px 520px at 78% 12%, rgba(217,96,15,.22), transparent 62%),
    linear-gradient(180deg, rgba(16,25,34,.35), rgba(11,15,20,.9));
  pointer-events: none;
}
.hero .wrap { position: relative; z-index: 2; }
.hero h1 { color: #fff; max-width: 17ch; }
.hero .hero-sub {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--on-dark-mut); max-width: 62ch; margin-top: 1.2rem;
}
.hero-tag {
  font-size: clamp(.95rem, 1.6vw, 1.1rem); font-weight: 700;
  color: var(--accent-lt); letter-spacing: .01em; margin-top: 1.4rem;
}
.hero-media {
  position: absolute; inset: 0; z-index: 1;
  background-size: cover; background-position: center;
  opacity: .30; filter: grayscale(35%);
}

.page-hero {
  background: var(--ink); color: var(--on-dark);
  padding: clamp(2.8rem, 6vw, 4.4rem) 0 clamp(2.4rem, 5vw, 3.4rem);
  border-bottom: 3px solid var(--accent);
}
.page-hero h1 { color: #fff; max-width: 20ch; }
.page-hero p { color: var(--on-dark-mut); max-width: 66ch; font-size: 1.08rem; }

/* ---------- Outcome strip ---------- */

.outcomes { background: var(--accent-dk); color: #fff; }
.outcomes .wrap {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; background: rgba(255,255,255,.28);
  padding: 0;
}
.outcomes .out {
  background: var(--accent-dk); padding: 2rem 1.6rem;
}
.outcomes .out h3 { color: #fff; font-size: 1.08rem; margin-bottom: .4rem; }
.outcomes .out p { color: rgba(255,255,255,.9); font-size: .93rem; margin: 0; }
@media (max-width: 800px) { .outcomes .wrap { grid-template-columns: 1fr; } }

/* ---------- Grids and cards ---------- */

.grid { display: grid; gap: 1.4rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 660px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.card {
  background: #fff; border: 1px solid #e0dbd3; border-top: 3px solid var(--accent);
  padding: 1.7rem 1.6rem; display: flex; flex-direction: column;
}
.card h3 { margin-bottom: .55rem; }
.card p { font-size: .96rem; color: var(--text-muted); }
.card .card-link {
  margin-top: auto; padding-top: 1rem; font-weight: 700; font-size: .88rem;
  letter-spacing: .04em; text-transform: uppercase; color: var(--accent-dk);
}
.dark .card, .darker .card {
  background: var(--navy-2); border-color: var(--line); color: var(--on-dark);
}
.dark .card p, .darker .card p { color: var(--on-dark-mut); }

.split {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
@media (max-width: 900px) { .split { grid-template-columns: 1fr; } }

/* ---------- Lists ---------- */

ul.ticks { list-style: none; padding: 0; margin: 0; }
ul.ticks li {
  position: relative; padding-left: 1.55rem; margin-bottom: .55rem; font-size: .97rem;
}
ul.ticks li::before {
  content: ""; position: absolute; left: 0; top: .62em;
  width: 8px; height: 8px; background: var(--accent);
}
.dark ul.ticks li, .darker ul.ticks li { color: var(--on-dark-mut); }

ul.cols { columns: 2; column-gap: 2.2rem; }
@media (max-width: 620px) { ul.cols { columns: 1; } }

/* ---------- Service blocks ---------- */

.service {
  border-top: 1px solid #ddd7cd; padding-top: 2.6rem; margin-top: 2.6rem;
}
.service:first-of-type { border-top: 0; margin-top: 0; padding-top: 0; }
.service-num {
  font-size: .78rem; font-weight: 800; letter-spacing: .2em;
  color: var(--accent-dk); text-transform: uppercase; display: block; margin-bottom: .6rem;
}

.note {
  border-left: 3px solid var(--accent); background: #fff;
  padding: 1.1rem 1.3rem; font-size: .95rem; color: var(--text-muted);
  margin: 1.4rem 0 0;
}
.dark .note, .darker .note { background: var(--navy-2); color: var(--on-dark-mut); }
.note strong { color: var(--text); }
.dark .note strong, .darker .note strong { color: #fff; }

/* ---------- Process steps ---------- */

.steps { counter-reset: step; display: grid; gap: 1.2rem; }
.step {
  display: grid; grid-template-columns: 68px 1fr; gap: 1.4rem;
  background: #fff; border: 1px solid #e0dbd3; padding: 1.6rem;
}
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  font-size: 1.7rem; font-weight: 800; color: var(--accent); line-height: 1;
}
.step h3 { margin-bottom: .4rem; }
.step p, .step li { color: var(--text-muted); font-size: .95rem; }
@media (max-width: 560px) { .step { grid-template-columns: 1fr; gap: .6rem; } }

/* ---------- Media / photo placeholders ---------- */

.media {
  position: relative; width: 100%; aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--navy) 0%, var(--ink) 100%);
  border: 1px solid var(--line); overflow: hidden;
  display: flex; align-items: center; justify-content: center; text-align: center;
}
.media.wide { aspect-ratio: 16 / 9; }
.media.tall { aspect-ratio: 3 / 4; }
.media img {
  position: absolute; inset: 0; z-index: 2;
  width: 100%; height: 100%; object-fit: cover;
}
figure.media { margin: 0; }
.media .media-hint {
  padding: 1.2rem; font-size: .74rem; letter-spacing: .14em; text-transform: uppercase;
  color: rgba(255,255,255,.34); font-weight: 700;
}
.media-caption {
  font-size: .82rem; color: var(--text-muted); margin-top: .6rem; line-height: 1.45;
}
.dark .media-caption, .darker .media-caption { color: var(--on-dark-mut); }

/* ---------- Stat / fact band ---------- */

.facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); }
.facts .fact { background: var(--navy); padding: 1.7rem 1.4rem; }
.facts .fact strong { display: block; color: #fff; font-size: 1.02rem; margin-bottom: .3rem; }
.facts .fact span { color: var(--on-dark-mut); font-size: .89rem; }
@media (max-width: 900px) { .facts { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .facts { grid-template-columns: 1fr; } }

/* ---------- Table ---------- */

.tbl { width: 100%; border-collapse: collapse; font-size: .95rem; }
.tbl th, .tbl td { text-align: left; padding: .9rem 1rem; border-bottom: 1px solid #ddd7cd; vertical-align: top; }
.tbl th { background: var(--navy); color: #fff; font-size: .82rem; letter-spacing: .08em; text-transform: uppercase; }
.tbl td { background: #fff; color: var(--text-muted); }
.tbl td:first-child { color: var(--text); font-weight: 600; }
.tbl-scroll { overflow-x: auto; }

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

.cta-band {
  background: var(--ink); color: #fff;
  border-top: 3px solid var(--accent);
}
.cta-band h2 { color: #fff; max-width: 22ch; }
.cta-band p { color: var(--on-dark-mut); max-width: 62ch; }
.cta-inner { display: grid; grid-template-columns: 1.2fr auto; gap: 2.5rem; align-items: center; }
@media (max-width: 860px) { .cta-inner { grid-template-columns: 1fr; } }

.phone-block { text-align: left; }
.phone-block span {
  display: block; font-size: .74rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--on-dark-mut); margin-bottom: .35rem;
}
.phone-block a { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 800; color: #fff !important; letter-spacing: -.01em; }

/* ---------- Forms ---------- */

.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.1rem; }
@media (max-width: 700px) { .form-grid { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: .84rem; font-weight: 700; letter-spacing: .04em; margin-bottom: .4rem; color: var(--text); }
.field .req { color: var(--accent-dk); }
.field input, .field select, .field textarea {
  font-family: var(--font); font-size: 1rem; color: var(--text);
  background: #fff; border: 1px solid #cfc8bd; border-radius: 2px;
  padding: .8rem .9rem; width: 100%;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent);
}
.field textarea { min-height: 150px; resize: vertical; }
.field .hint { font-size: .8rem; color: var(--text-muted); margin-top: .35rem; }
.consent { display: flex; gap: .7rem; align-items: flex-start; font-size: .89rem; color: var(--text-muted); }
.consent input { width: 18px; height: 18px; margin-top: .25rem; flex: none; }

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

.site-footer {
  background: var(--paper-2); color: var(--text-muted);
  border-top: 3px solid var(--accent);
  padding: 3.4rem 0 0; font-size: .93rem;
}
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 2.2rem; }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer h4 {
  color: var(--ink); font-size: .78rem; letter-spacing: .16em; text-transform: uppercase;
  margin-bottom: .9rem;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: .5rem; }
.site-footer a { color: var(--text-muted); }
.site-footer a:hover { color: var(--ink); }
.footer-brand img { height: 52px; width: auto; }
.footer-note { font-size: .88rem; line-height: 1.6; margin-top: 1.1rem; max-width: 42ch; }
.footer-bar {
  border-top: 1px solid #ddd7cd; margin-top: 3rem; padding: 1.4rem 0;
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between;
  font-size: .82rem; color: #7b7268;
}
@media (max-width: 560px) { .footer-brand img { height: 44px; } }

/* ---------- Accessibility ---------- */

.skip {
  position: absolute; left: -9999px; top: 0; background: var(--accent);
  color: #fff; padding: .8rem 1.2rem; z-index: 200; font-weight: 700;
}
.skip:focus { left: 0; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* ---------- Print ---------- */

@media print {
  .site-header .nav, .cta-band, .site-footer, .nav-toggle { display: none; }
  .site-header { position: static; border-bottom: 2px solid #000; }
  .brand img { height: 52px; }
  body { background: #fff; font-size: 12pt; }
  .hero, .page-hero, .dark, .darker { background: #fff !important; color: #000 !important; }
  .hero h1, .page-hero h1, .dark h2, .darker h2 { color: #000 !important; }
}