:root {
  --primary: #0f3d63;
  --primary-dark: #082744;
  --primary-light: #e8f0f7;
  --accent: #ff6b35;
  --accent-dark: #e2551f;
  --text: #1a2b3c;
  --gray: #5b6b7c;
  --light-bg: #f6f8fb;
  --border: #e3e8ef;
  --radius: 12px;
  --shadow: 0 10px 30px rgba(15, 61, 99, 0.08);
  --shadow-sm: 0 4px 14px rgba(15, 61, 99, 0.06);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.6;
}

h1, h2, h3, h4 {
  font-family: 'Poppins', 'Inter', sans-serif;
  margin: 0 0 .5em;
  line-height: 1.2;
}

p { margin: 0 0 1em; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; margin: 0; padding: 0; }
button { font-family: inherit; cursor: pointer; }

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
}

section[id] { scroll-margin-top: 110px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: .95rem;
  border: 2px solid transparent;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-lg { padding: 15px 30px; font-size: 1.02rem; }
.btn-block { width: 100%; }

.btn-accent { background: var(--accent); color: #fff; box-shadow: 0 8px 20px rgba(255,107,53,.35); }
.btn-accent:hover { background: var(--accent-dark); }

.btn-ghost { background: transparent; color: var(--primary); border-color: var(--border); }
.btn-ghost:hover { background: var(--primary-light); }

.btn-outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.6); }
.btn-outline-light:hover { background: rgba(255,255,255,.15); }

.btn-outline-dark { background: #fff; color: var(--primary); border-color: var(--border); }

/* Demo disclaimer banner */
.demo-banner {
  background: #fff3cd;
  border-bottom: 2px solid #ffc107;
  color: #7a5c00;
  text-align: center;
  padding: 10px 16px;
}
.demo-banner .container {
  padding: 0 20px;
  font-weight: 700;
  font-size: .85rem;
  line-height: 1.5;
}
.demo-banner i { color: #d9a400; margin-right: 6px; }

/* Topbar */
.topbar {
  background: var(--primary-dark);
  color: #cfe0ee;
  font-size: .82rem;
}
.topbar-inner {
  display: none;
  align-items: center;
  gap: 18px;
  padding: 8px 20px;
}
.topbar-inner a { color: #fff; }
.topbar-sep { opacity: .5; }
.topbar-badge { margin-left: auto; display: flex; align-items: center; gap: 6px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  gap: 16px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--primary);
  flex-shrink: 0;
}
.logo i { font-size: 1.4rem; color: var(--accent); }
.logo strong { color: var(--primary); }
.logo-light { color: #fff; }
.logo-light strong { color: #fff; }

.main-nav { display: none; align-items: center; gap: 22px; flex-shrink: 0; }
.main-nav a { font-size: .9rem; font-weight: 500; color: var(--text); white-space: nowrap; }
.main-nav a:hover { color: var(--accent); }

.header-cta { display: none; align-items: center; gap: 10px; }

.nav-toggle {
  background: none;
  border: none;
  width: 36px;
  height: 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  padding: 0;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.main-nav.mobile-open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #fff;
  padding: 16px 20px 22px;
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
  gap: 4px;
}
.main-nav.mobile-open a { padding: 10px 0; border-bottom: 1px solid var(--border); }

/* Hero */
.hero {
  position: relative;
  color: #fff;
  padding: 90px 0 60px;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(8,39,68,.88) 0%, rgba(8,39,68,.82) 55%, rgba(8,39,68,.95) 100%);
}
.hero-inner { position: relative; text-align: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.12);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: .82rem;
  font-weight: 600;
  margin-bottom: 18px;
}
.hero h1 { font-size: 2rem; font-weight: 700; max-width: 700px; margin: 0 auto .3em; }
.hero-sub { font-size: 1.05rem; font-weight: 600; color: #ffb08a; margin-bottom: .4em; }
.hero-desc { max-width: 520px; margin: 0 auto 28px; color: #cfe0ee; }
.hero-actions { display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 14px; width: 100%; flex-wrap: wrap; margin-bottom: 30px; }
.hero-trust {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 18px;
  font-size: .85rem; color: #cfe0ee;
}
.hero-trust li { display: flex; align-items: center; gap: 6px; }
.hero-trust i { color: #ffb08a; }

/* Strip */
.strip { background: var(--primary); color: #fff; padding: 22px 0; }
.strip-inner {
  display: grid; grid-template-columns: 1fr; gap: 16px; text-align: center;
}
.strip-item { display: flex; flex-direction: column; align-items: center; gap: 6px; font-size: .85rem; font-weight: 600; }
.strip-item i { font-size: 1.3rem; color: #ffb08a; }

/* Sections */
.section { padding: 64px 0; }
.section-alt { background: var(--light-bg); }
.section-eyebrow {
  color: var(--accent); font-weight: 700; font-size: .82rem;
  text-transform: uppercase; letter-spacing: .06em; margin-bottom: 8px;
}
.section-eyebrow.light { color: #ffb08a; }
.section-title { font-size: 1.7rem; max-width: 620px; }
.section-title.light { color: #fff; }
.section-sub { color: var(--gray); max-width: 560px; margin-bottom: 30px; }
.section-sub.light { color: #cfe0ee; }

.demo-tag {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: .55em;
  font-weight: 700;
  color: #b58a00;
  background: #fff3cd;
  border: 1px solid #ffc107;
  padding: 3px 10px;
  border-radius: 999px;
  vertical-align: middle;
  margin-left: 8px;
}
.demo-inline-note {
  color: var(--gray);
  font-size: .82rem;
  font-style: italic;
  max-width: 560px;
  margin-bottom: 30px;
  display: flex;
  align-items: flex-start;
  gap: 6px;
}
.demo-inline-note i { color: #d9a400; margin-top: 2px; flex-shrink: 0; }

.grid { display: grid; gap: 22px; }

/* Services */
.services-grid { grid-template-columns: 1fr; }
.service-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.service-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 16px;
}
.service-card h3 { font-size: 1.15rem; }
.service-card p { color: var(--gray); font-size: .93rem; }
.service-card a { color: var(--accent); font-weight: 600; font-size: .9rem; display: inline-flex; align-items: center; gap: 6px; }

/* Why us */
.why-grid { grid-template-columns: 1fr; }
.why-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 26px 22px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}
.why-card i { font-size: 1.8rem; color: var(--accent); margin-bottom: 14px; }
.why-card h3 { font-size: 1.05rem; }
.why-card p { color: var(--gray); font-size: .9rem; margin: 0; }

/* Before/After */
.ba-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
.ba-slider {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  box-shadow: var(--shadow);
  user-select: none;
}
.ba-slider img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.ba-before-wrap { position: absolute; inset: 0; width: 50%; overflow: hidden; }
.ba-before { width: var(--ba-img-w, 100%); max-width: none; height: 100%; object-fit: cover; }
.ba-range {
  position: absolute; inset: 0; width: 100%; height: 100%;
  margin: 0; opacity: 0; cursor: ew-resize; appearance: none;
}
.ba-handle {
  position: absolute; top: 0; bottom: 0; left: 50%;
  width: 3px; background: #fff;
  transform: translateX(-50%);
  pointer-events: none;
}
.ba-handle::after { content: ""; }
.ba-handle i {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 38px; height: 38px;
  background: #fff; color: var(--primary);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-sm);
  font-size: .85rem;
}
.ba-tag {
  position: absolute; bottom: 12px;
  background: rgba(8,39,68,.75); color: #fff;
  padding: 4px 12px; border-radius: 999px; font-size: .75rem; font-weight: 600;
  pointer-events: none;
}
.ba-tag-left { left: 12px; }
.ba-tag-right { right: 12px; }

/* Projects */
.projects-grid { grid-template-columns: 1fr; }
.project-card {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  background: #fff;
  transition: transform .2s ease, box-shadow .2s ease;
}
.project-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.project-img { height: 190px; background-size: cover; background-position: center; }
.project-body { padding: 18px 20px; }
.project-tag {
  display: inline-block; background: var(--primary-light); color: var(--primary);
  font-size: .72rem; font-weight: 700; text-transform: uppercase;
  padding: 4px 10px; border-radius: 999px; margin-bottom: 10px; letter-spacing: .04em;
}
.project-body h3 { font-size: 1.05rem; margin-bottom: 6px; }
.project-body p { color: var(--gray); font-size: .85rem; margin: 0; display: flex; align-items: center; gap: 6px; }

/* Reviews */
.reviews-grid { grid-template-columns: 1fr; }
.review-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow-sm);
}
.stars { color: #ffb400; margin-bottom: 12px; font-size: .9rem; }
.review-card p { color: var(--text); font-size: .93rem; }
.review-author { display: flex; align-items: center; gap: 12px; margin-top: 16px; }
.avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .85rem; flex-shrink: 0;
}
.review-author div:last-child { display: flex; flex-direction: column; font-size: .82rem; }
.review-author span { color: var(--gray); }

/* Service areas */
.areas-layout { display: grid; grid-template-columns: 1fr; gap: 30px; align-items: center; }
.areas-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 18px; margin: 20px 0 26px; }
.areas-list li { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: .93rem; }
.areas-list i { color: var(--accent); }
.areas-map { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); height: 320px; }
.areas-map iframe { width: 100%; height: 100%; border: 0; }

/* FAQ */
.faq-layout { display: grid; grid-template-columns: 1fr; gap: 30px; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.faq-question {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  background: #fff; border: none; padding: 16px 18px;
  font-weight: 600; font-size: .95rem; text-align: left; color: var(--text);
}
.faq-question i { transition: transform .2s ease; color: var(--gray); flex-shrink: 0; margin-left: 12px; }
.faq-item.open .faq-question i { transform: rotate(180deg); color: var(--accent); }
.faq-answer {
  max-height: 0; overflow: hidden; transition: max-height .25s ease;
  padding: 0 18px;
}
.faq-item.open .faq-answer { max-height: 200px; padding: 0 18px 16px; }
.faq-answer p { color: var(--gray); font-size: .9rem; margin: 0; }

/* Quote */
.quote-section { background: linear-gradient(160deg, var(--primary-dark), var(--primary)); color: #fff; }
.quote-layout { display: grid; grid-template-columns: 1fr; gap: 40px; }
.quote-points { display: flex; flex-direction: column; gap: 10px; margin: 20px 0 26px; }
.quote-points li { display: flex; align-items: center; gap: 8px; font-size: .93rem; }
.quote-points i { color: #ffb08a; }

.quote-form {
  background: #fff; color: var(--text);
  border-radius: var(--radius); padding: 26px 22px;
  box-shadow: var(--shadow);
  position: relative;
}
.form-row { display: grid; grid-template-columns: 1fr; gap: 14px; }
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 11px 14px; border-radius: 8px;
  border: 1px solid var(--border); font-family: inherit; font-size: .93rem;
  background: #fbfcfe;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--accent); background: #fff;
}
.form-note { text-align: center; font-size: .78rem; color: var(--gray); margin: 12px 0 0; display: flex; align-items: center; justify-content: center; gap: 6px; }

.form-success {
  display: none;
  position: absolute; inset: 0;
  background: #fff; border-radius: var(--radius);
  flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 30px;
}
.form-success i { font-size: 2.6rem; color: #22a06b; margin-bottom: 14px; }
.form-success.show { display: flex; }

/* Footer */
.site-footer { background: var(--primary-dark); color: #cfe0ee; padding-top: 54px; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 34px; padding-bottom: 40px; }
.footer-col h4 { color: #fff; font-size: .95rem; margin-bottom: 14px; }
.footer-col a, .footer-col p { display: block; color: #cfe0ee; font-size: .88rem; margin-bottom: 10px; }
.footer-col a:hover { color: #fff; }
.footer-brand p { max-width: 320px; color: #9db3c6; }
.social-links { display: flex; gap: 10px; margin-top: 16px; }
.social-links a {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,.08);
  display: flex; align-items: center; justify-content: center;
}
.social-links a:hover { background: var(--accent); }

.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 18px 0; }
.footer-bottom-inner {
  display: flex; flex-direction: column; gap: 4px;
  font-size: .78rem; color: #7f96ab;
}

/* Mobile sticky CTA */
.mobile-cta-bar {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 99;
  display: flex; gap: 10px; padding: 10px 14px;
  background: #fff; border-top: 1px solid var(--border);
  box-shadow: 0 -6px 20px rgba(0,0,0,.08);
}
.mobile-cta-bar .btn { flex: 1; }

body { padding-bottom: 70px; }

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .5s ease, transform .5s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }

/* ================= Tablet ================= */
@media (min-width: 640px) {
  .demo-banner .container { font-size: .95rem; }
  .hero h1 { font-size: 2.5rem; }
  .hero-actions { flex-direction: row; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .projects-grid { grid-template-columns: 1fr 1fr; }
  .reviews-grid { grid-template-columns: 1fr 1fr; }
  .ba-grid { grid-template-columns: 1fr 1fr; }
  .strip-inner { grid-template-columns: repeat(4, 1fr); }
}

/* ================= Desktop ================= */
@media (min-width: 1024px) {
  .hero { padding: 130px 0 90px; }
  .hero h1 { font-size: 3.1rem; }
  .hero-sub { font-size: 1.3rem; }
  .hero-desc { font-size: 1.05rem; max-width: 600px; }

  .section { padding: 90px 0; }
  .section-title { font-size: 2.2rem; }

  .services-grid { grid-template-columns: repeat(3, 1fr); }
  .why-grid { grid-template-columns: repeat(4, 1fr); }
  .projects-grid { grid-template-columns: repeat(3, 1fr); }
  .reviews-grid { grid-template-columns: repeat(4, 1fr); }

  .areas-layout { grid-template-columns: 1fr 1fr; }
  .areas-map { height: 380px; }

  .faq-layout { grid-template-columns: .8fr 1.2fr; }

  .quote-layout { grid-template-columns: 1fr 1fr; align-items: center; }
  .form-row { grid-template-columns: 1fr 1fr; }

  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
  .footer-bottom-inner { flex-direction: row; justify-content: space-between; }
}

/* ================= Wide Desktop (full nav) ================= */
@media (min-width: 1200px) {
  .topbar-inner { display: flex; }
  .main-nav { display: flex; }
  .header-cta { display: flex; }
  .nav-toggle { display: none; }
  .mobile-cta-bar { display: none; }
  body { padding-bottom: 0; }
}