/* Expert Heating Services Ltd — Shared Stylesheet */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --red:         #C0392B;
  --red-dark:    #962D22;
  --red-faint:   rgba(192,57,43,0.07);
  --navy:        #1B2A3D;
  --navy-mid:    #243447;
  --white:       #FFFFFF;
  --off-white:   #F5F7FA;
  --gray:        #6B7585;
  --text:        #1E2533;
  --border:      #DEE3EC;
  --font-d:      'Cormorant Garamond', Georgia, serif;
  --font-b:      'Lexend', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--white);
  color: var(--text);
  font-family: var(--font-b);
  font-weight: 300;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ── NAV ──────────────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: 68px;
  background: var(--navy);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 5%;
  box-shadow: 0 2px 24px rgba(0,0,0,0.22);
}

.nav-logo { line-height: 1.15; }
.nav-logo-name { font-family: var(--font-d); font-size: 1.08rem; font-weight: 700; color: #fff; }
.nav-logo-tag  { font-size: 0.59rem; font-weight: 300; color: rgba(255,255,255,0.4); letter-spacing: 0.08em; text-transform: uppercase; }

.nav-links { display: flex; align-items: center; gap: 2px; list-style: none; }

.nav-links a {
  display: block;
  padding: 0.45rem 0.9rem;
  font-size: 0.73rem; font-weight: 400; letter-spacing: 0.07em; text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  border-radius: 3px;
  transition: color 0.2s, background 0.2s;
}

.nav-links a:hover,
.nav-links a.active { color: #fff; background: rgba(255,255,255,0.09); }

.nav-call a {
  background: var(--red) !important;
  color: #fff !important;
  font-weight: 500;
  margin-left: 0.5rem;
}

.nav-call a:hover { background: var(--red-dark) !important; }

.nav-mobile { display: none; color: #fca5a5; font-size: 0.85rem; font-weight: 500; }

@media (max-width: 780px) { .nav-links { display: none; } .nav-mobile { display: block; } }

/* ── PAGE HEADER ──────────────────────────────── */
.page-header {
  margin-top: 68px;
  background: var(--navy);
  padding: 5rem 5% 4rem;
  position: relative; overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(192,57,43,0.15) 0%, transparent 55%);
  pointer-events: none;
}

.page-header h1 {
  font-family: var(--font-d);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700; color: #fff; line-height: 1.05;
  position: relative; z-index: 1;
}

.page-header p {
  font-size: 0.93rem; color: rgba(255,255,255,0.5);
  margin-top: 0.6rem; max-width: 460px;
  position: relative; z-index: 1;
}

/* ── SECTIONS ─────────────────────────────────── */
.section { padding: 5rem 5%; }
.section-alt { background: var(--off-white); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.65rem; font-weight: 500; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--red); margin-bottom: 0.75rem;
}
.eyebrow::before { content: ''; width: 16px; height: 2px; background: var(--red); display: block; }

.section-title {
  font-family: var(--font-d);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700; color: var(--navy); line-height: 1.08; margin-bottom: 0.75rem;
}

.section-lead { font-size: 0.92rem; color: var(--gray); line-height: 1.78; max-width: 520px; }

/* ── BUTTONS ──────────────────────────────────── */
.btn-red {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--red); color: #fff;
  padding: 0.85rem 1.75rem;
  font-family: var(--font-b); font-size: 0.77rem; font-weight: 400; letter-spacing: 0.08em; text-transform: uppercase;
  border-radius: 3px; border: none; cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}
.btn-red:hover { background: var(--red-dark); transform: translateY(-1px); }
.btn-red:active { transform: translateY(0); }

.btn-outline {
  display: inline-flex; align-items: center; gap: 0.5rem;
  border: 1.5px solid var(--border); color: var(--navy);
  padding: 0.85rem 1.75rem;
  font-family: var(--font-b); font-size: 0.77rem; font-weight: 400; letter-spacing: 0.08em; text-transform: uppercase;
  border-radius: 3px;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.btn-outline:hover { border-color: var(--red); color: var(--red); background: var(--red-faint); }

/* ── URGENCY BANNER ───────────────────────────── */
.urgency {
  background: var(--navy); padding: 3.5rem 5%;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 2rem;
}
.urgency h3 { font-family: var(--font-d); font-size: 2rem; font-weight: 700; color: #fff; }
.urgency-sub { font-size: 0.85rem; color: rgba(255,255,255,0.48); margin-top: 0.25rem; }
.urgency-right { text-align: right; }
.urgency-number { font-family: var(--font-d); font-size: 2.4rem; font-weight: 700; color: #fff; display: block; transition: color 0.2s; }
.urgency-number:hover { color: #fca5a5; }
.urgency-who { font-size: 0.77rem; color: rgba(255,255,255,0.4); letter-spacing: 0.04em; margin-top: 0.15rem; }

/* ── FOOTER ───────────────────────────────────── */
footer { background: var(--navy); padding: 4rem 5% 2rem; }

.footer-grid {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem; padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.07); margin-bottom: 2rem;
}
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr; gap: 2rem; } }

.footer-brand-name { font-family: var(--font-d); font-size: 1.2rem; font-weight: 700; color: #fff; margin-bottom: 0.2rem; }
.footer-brand-tag  { font-size: 0.67rem; color: rgba(255,255,255,0.3); letter-spacing: 0.06em; margin-bottom: 1rem; }
.footer-about { font-size: 0.8rem; color: rgba(255,255,255,0.4); line-height: 1.72; }

.footer-col-title { font-size: 0.62rem; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase; color: rgba(255,255,255,0.3); margin-bottom: 1rem; }

.footer-nav-list { list-style: none; display: flex; flex-direction: column; gap: 0.55rem; }
.footer-nav-list a { font-size: 0.8rem; color: rgba(255,255,255,0.5); transition: color 0.2s; }
.footer-nav-list a:hover { color: #fff; }

.footer-contact-line { font-size: 0.8rem; color: rgba(255,255,255,0.5); margin-bottom: 0.55rem; line-height: 1.55; }
.footer-contact-line a:hover { color: #fff; }

.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem; font-size: 0.71rem; color: rgba(255,255,255,0.2); }