:root {
  --navy: #005691;
  --navy-deep: #0F172A;
  --graphite: #111827;
  --orange: #F37021;
  --orange-hover: #d95f16;
  --gray-neutral: #A7A9AC;
  --white: #ffffff;
  --off-white: #F4F6F8;
  --border-light: rgba(255,255,255,0.08);
  --font: 'Montserrat', Arial, sans-serif;
  --radius: 10px;
  --shadow-lg: 0 20px 50px -20px rgba(0,0,0,0.5);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--graphite);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 {
  font-family: var(--font);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--navy-deep);
}

h2 { font-size: clamp(1.8rem, 3.2vw, 2.4rem); }
h3 { font-size: 1.25rem; margin-bottom: 10px; }

p { color: #3f4a5a; }

a { text-decoration: none; color: inherit; }

.tag {
  display: inline-block;
  background: rgba(0,86,145,0.08);
  color: var(--navy);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.tag-light {
  background: rgba(243,112,33,0.14);
  color: var(--orange);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  border-radius: 8px;
  padding: 14px 28px;
  font-size: 0.95rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--orange);
  color: var(--white);
  box-shadow: 0 10px 25px -8px rgba(243,112,33,0.55);
}

.btn-primary:hover { background: var(--orange-hover); transform: translateY(-1px); }

.btn-ghost {
  background: transparent;
  color: var(--navy-deep);
  border-color: rgba(15,23,42,0.15);
}

.btn-ghost:hover { border-color: var(--navy-deep); }

.btn-lg { padding: 16px 32px; font-size: 1rem; }
.btn-sm { padding: 10px 20px; font-size: 0.85rem; }

/* Header */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(15,23,42,0.08);
  box-shadow: 0 4px 20px -12px rgba(15,23,42,0.15);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  padding-bottom: 12px;
  gap: 20px;
}

.logo { display: flex; align-items: center; gap: 10px; }

.logo-img {
  height: 56px;
  width: auto;
}

.logo-footer .logo-img { height: 48px; }

.main-nav { display: flex; gap: 28px; }

.main-nav a {
  color: var(--navy-deep);
  font-size: 0.9rem;
  font-weight: 600;
  transition: color 0.15s ease;
}

.main-nav a:hover { color: var(--orange); }

.header-cta { flex-shrink: 0; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--navy-deep);
  border-radius: 2px;
}

/* Hero */
.hero {
  position: relative;
  padding: 170px 0 90px;
  background: linear-gradient(160deg, var(--navy-deep) 0%, #0a1224 55%, var(--graphite) 100%);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(0,86,145,0.35), transparent 45%),
    radial-gradient(circle at 85% 75%, rgba(243,112,33,0.18), transparent 50%);
}

.hero-grid-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.9), transparent 85%);
}

.hero-inner { position: relative; text-align: center; max-width: 820px; }

.eyebrow {
  display: inline-block;
  color: var(--orange);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.hero h1 {
  color: var(--white);
  font-size: clamp(2.1rem, 4.6vw, 3.2rem);
  margin-bottom: 20px;
}

.hero h1 .highlight { color: var(--orange); }

.hero-sub {
  color: rgba(255,255,255,0.78);
  font-size: 1.05rem;
  max-width: 640px;
  margin: 0 auto 34px;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero-actions .btn-ghost { color: var(--white); border-color: rgba(255,255,255,0.25); }
.hero-actions .btn-ghost:hover { border-color: var(--white); }

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
  border-top: 1px solid var(--border-light);
  padding-top: 32px;
}

.hero-stats div { display: flex; flex-direction: column; align-items: center; gap: 4px; }

.hero-stats strong { color: var(--white); font-size: 1.3rem; font-weight: 800; }
.hero-stats span { color: var(--gray-neutral); font-size: 0.8rem; }

/* Section head */
.section-head {
  max-width: 640px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-head-light h2, .section-head-light p { color: var(--white); }
.section-head-light p { color: rgba(255,255,255,0.72); }

/* Pain section */
.pain {
  background: var(--navy-deep);
  padding: 90px 0;
}

.pain-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.pain-item {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 28px 22px;
  text-align: center;
}

.pain-icon { font-size: 1.8rem; margin-bottom: 14px; }
.pain-item h3 { color: var(--white); font-size: 1.05rem; }
.pain-item p { color: rgba(255,255,255,0.68); font-size: 0.9rem; }

/* Solutions */
.solutions { padding: 90px 0; background: var(--off-white); }

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.solution-card {
  background: var(--white);
  border: 1px solid rgba(15,23,42,0.08);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: 0 8px 24px -16px rgba(15,23,42,0.25);
}

.solution-card-wide { grid-column: 1 / -1; }

.solution-badge {
  display: inline-block;
  background: rgba(243,112,33,0.12);
  color: var(--orange);
  font-weight: 700;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.solution-card ul { margin-top: 14px; padding-left: 18px; }
.solution-card li { color: #3f4a5a; font-size: 0.92rem; margin-bottom: 6px; }

.solution-card-teaser {
  background: linear-gradient(135deg, var(--navy-deep), var(--navy));
  border: none;
}

.solution-card-teaser h3, .solution-card-teaser p { color: var(--white); }
.solution-card-teaser p { color: rgba(255,255,255,0.75); }

.teaser-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  color: var(--orange);
  font-weight: 700;
  font-size: 0.92rem;
}

.teaser-link:hover { text-decoration: underline; }

/* Upkeep / recurring maintenance */
.upkeep { position: relative; background: var(--white); padding: 96px 0; overflow: hidden; }

.upkeep-bg-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.06;
  pointer-events: none;
}

.upkeep .container { position: relative; z-index: 1; }

.upkeep-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-bottom: 64px;
}

.upkeep-pillar {
  background: var(--white);
  border: 1px solid rgba(15,23,42,0.08);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: 0 8px 24px -16px rgba(15,23,42,0.15);
}

.upkeep-pillar-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(0,86,145,0.08);
  color: var(--navy);
  margin-bottom: 18px;
}

.upkeep-pillar h3 { font-size: 1.05rem; margin-bottom: 8px; }
.upkeep-pillar p { font-size: 0.9rem; }

.upkeep-compare {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: stretch;
  gap: 0;
  max-width: 880px;
  margin: 0 auto 48px;
  background: var(--off-white);
  border: 1px solid rgba(15,23,42,0.08);
  border-radius: var(--radius);
  overflow: hidden;
}

.upkeep-divider { width: 1px; background: rgba(15,23,42,0.08); }

.upkeep-col { padding: 36px 36px; }

.upkeep-col h4 {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 18px;
}

.upkeep-col ul { list-style: none; display: flex; flex-direction: column; gap: 13px; }

.upkeep-col li {
  font-size: 0.9rem;
  padding-left: 24px;
  position: relative;
  color: #3f4a5a;
}

.upkeep-col-bad h4 { color: var(--gray-neutral); }
.upkeep-col-bad li::before { content: '–'; position: absolute; left: 0; color: var(--gray-neutral); font-weight: 700; }

.upkeep-col-good h4 { color: var(--navy); }
.upkeep-col-good li { color: var(--navy-deep); font-weight: 500; }
.upkeep-col-good li::before { content: '✓'; position: absolute; left: 0; color: var(--orange); font-weight: 700; }

.upkeep-cta {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}

.upkeep-cta p {
  margin-bottom: 22px;
  font-size: 0.95rem;
}

/* Method */
.method { background: var(--graphite); padding: 90px 0; }

.method-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.method-step {
  position: relative;
  padding: 30px 22px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
}

.method-number {
  display: block;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--orange);
  opacity: 0.85;
  margin-bottom: 10px;
}

.method-step h3 { color: var(--white); }
.method-step p { color: rgba(255,255,255,0.68); font-size: 0.92rem; }

/* Cases / gallery */
.cases { padding: 90px 0; background: var(--white); }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 50px;
}

.gallery-item {
  position: relative;
  aspect-ratio: 4/5;
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 16px;
  color: var(--white);
  background: var(--navy-deep);
}

.gallery-item img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15,23,42,0) 40%, rgba(15,23,42,0.85) 100%);
}

.gallery-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: var(--orange);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: 999px;
}

.gallery-item figcaption {
  position: relative;
  z-index: 2;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.92);
}

/* Case study */
.case-study {
  max-width: 900px;
  margin: 0 auto 56px;
  background: var(--off-white);
  border: 1px solid rgba(15,23,42,0.08);
  border-radius: var(--radius);
  padding: 40px;
}

.case-study-head { text-align: center; margin-bottom: 28px; }
.case-study-head h3 { font-size: 1.3rem; max-width: 680px; margin: 0 auto; }

.case-study-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.case-study-col h4 {
  color: var(--orange);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.case-study-col p { font-size: 0.9rem; }

/* Brands strip */
.brands-strip { text-align: center; }

.brands-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--gray-neutral);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 18px;
}

.brands-list {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
}

.brands-list span {
  padding: 8px 18px;
  border: 1px solid rgba(15,23,42,0.12);
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--navy-deep);
}

/* FAQ */
.faq { background: var(--navy-deep); padding: 90px 0; }

.faq-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }

.faq-item {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 20px 24px;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--white);
  font-size: 1rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: '+';
  color: var(--orange);
  font-size: 1.3rem;
  font-weight: 800;
  margin-left: 16px;
}

.faq-item[open] summary::after { content: '–'; }

.faq-item p { color: rgba(255,255,255,0.72); margin-top: 14px; font-size: 0.92rem; }

/* CTA final */
.cta-final {
  background: linear-gradient(135deg, var(--orange), #c9530f);
  padding: 80px 0;
  text-align: center;
}

.cta-final-inner { max-width: 680px; margin: 0 auto; }

.cta-final h2 { color: var(--white); margin-bottom: 16px; }
.cta-final p { color: rgba(255,255,255,0.9); margin-bottom: 30px; }
.cta-final .btn-primary { background: var(--navy-deep); box-shadow: 0 10px 25px -8px rgba(15,23,42,0.5); }
.cta-final .btn-primary:hover { background: #060b17; }

/* Footer */
.site-footer { background: #060b17; padding: 60px 0 0; }

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border-light);
}

.footer-brand p { color: rgba(255,255,255,0.6); font-size: 0.9rem; margin-top: 16px; max-width: 320px; }

.logo-footer { margin-bottom: 4px; }

.footer-col h4 { color: var(--white); font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 16px; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: rgba(255,255,255,0.65); font-size: 0.9rem; }
.footer-col a:hover { color: var(--orange); }
.footer-area { color: rgba(255,255,255,0.4); font-size: 0.82rem; }

.footer-bottom {
  padding: 22px 24px;
  text-align: center;
  color: rgba(255,255,255,0.4);
  font-size: 0.82rem;
}

/* WhatsApp float */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 58px;
  height: 58px;
  background: #25D366;
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px -8px rgba(0,0,0,0.4);
  z-index: 90;
  transition: transform 0.15s ease;
}

.whatsapp-float:hover { transform: scale(1.08); }

/* Responsive */
@media (max-width: 960px) {
  .pain-grid { grid-template-columns: repeat(2, 1fr); }
  .solutions-grid { grid-template-columns: 1fr; }
  .solution-card-wide { grid-column: auto; }
  .method-steps { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .case-study-grid { grid-template-columns: 1fr; gap: 20px; }
  .upkeep-pillars { grid-template-columns: 1fr; }
  .upkeep-compare { grid-template-columns: 1fr; }
  .upkeep-divider { width: auto; height: 1px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  .main-nav, .header-cta { display: none; }
  .nav-toggle { display: flex; }
  .site-header.nav-open .main-nav {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 20px 24px;
    gap: 16px;
    border-bottom: 1px solid rgba(15,23,42,0.08);
    box-shadow: 0 12px 20px -12px rgba(15,23,42,0.15);
  }
  .site-header.nav-open .header-cta {
    display: inline-flex;
    position: absolute;
    top: 100%;
    left: 24px;
    right: 24px;
    margin-top: 260px;
  }
  .pain-grid { grid-template-columns: 1fr; }
  .method-steps { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats { gap: 28px; }
}