/* ============================================================
   AL BUSNI — Bold Utility Design
   Yellow #F5C400 + Deep Navy #0D1B2A
   Oswald (headings) + Open Sans (body)
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Open Sans", system-ui, sans-serif;
  color: #0D1B2A;
  background: #F4F4F2;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
h1, h2, h3, h4, h5, h6 {
  font-family: "Oswald", sans-serif;
  margin: 0;
  letter-spacing: 0.02em;
}
p { margin: 0; }
ul { list-style: none; margin: 0; padding: 0; }
button { cursor: pointer; font: inherit; background: none; border: none; color: inherit; }

.icon { width: 1em; height: 1em; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }

/* ---- Container ---- */
.container { width: 100%; margin: 0 auto; padding: 0 1rem; }
@media (min-width: 640px) { .container { padding: 0 1.5rem; } }
@media (min-width: 1024px) { .container { padding: 0 2rem; max-width: 1280px; } }

/* ---- Typography helpers ---- */
.section-label {
  display: block;
  font-family: "Oswald", sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #F5C400;
  margin-bottom: 0.5rem;
}
.yellow-bar { display: inline-block; width: 3rem; height: 4px; background: #F5C400; margin-bottom: 0.75rem; }
.yellow-bar.center { display: block; margin-left: auto; margin-right: auto; }

.h2-dark, .h2-light {
  font-family: "Oswald", sans-serif;
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3rem);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin: 0;
}
.h2-dark { color: #0D1B2A; }
.h2-light { color: #FFFFFF; }
.h2-med-light {
  font-family: "Oswald", sans-serif;
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  color: #FFFFFF;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin: 0 0 1.25rem;
}

.lede { color: #4A5568; max-width: 520px; margin: 0.75rem auto 0; line-height: 1.7; }
.lede-light { color: #A0AEC0; max-width: 520px; margin: 0.75rem auto 0; line-height: 1.7; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: "Oswald", sans-serif;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.875rem 2rem;
  border: 2px solid #F5C400;
  transition: background-color 0.2s ease, color 0.2s ease;
}
.btn-primary { background: #F5C400; color: #0D1B2A; }
.btn-primary:hover { background: #0D1B2A; color: #F5C400; }
.btn-outline { background: transparent; color: #F5C400; }
.btn-outline:hover { background: #F5C400; color: #0D1B2A; }
.btn-sm { padding: 0.6rem 1.25rem; font-size: 0.875rem; }

.pulse-ring { animation: pulseRing 2s ease-in-out infinite; }
@keyframes pulseRing {
  0%, 100% { box-shadow: 0 0 0 0 rgba(245, 196, 0, 0.4); }
  50% { box-shadow: 0 0 0 12px rgba(245, 196, 0, 0); }
}

/* ---- Navbar ---- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  background: rgba(13, 27, 42, 0.9);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: background-color 0.3s, box-shadow 0.3s;
}
.navbar.scrolled { background: #0D1B2A; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3); backdrop-filter: none; }
.navbar::before { content: ""; display: block; height: 4px; background: #F5C400; }
.navbar > nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  max-width: 1280px;
  margin: 0 auto;
}
@media (min-width: 640px) { .navbar > nav { padding: 1rem 1.5rem; } }
@media (min-width: 1024px) { .navbar > nav { padding: 1rem 2rem; } }

.brand { display: flex; align-items: center; gap: 0.5rem; }
.brand-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem; height: 2.5rem;
  background: #F5C400;
  color: #0D1B2A;
  font-family: "Oswald", sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}
.brand-name { font-family: "Oswald", sans-serif; font-weight: 700; font-size: 1.1rem; color: #FFFFFF; line-height: 1.1; letter-spacing: 0.04em; }
.brand-sub { font-size: 0.65rem; color: #F5C400; letter-spacing: 0.12em; text-transform: uppercase; }

.nav-links { display: none; gap: 1.5rem; align-items: center; }
.nav-links a {
  color: #CBD5E0;
  font-family: "Oswald", sans-serif;
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.nav-links a:hover { color: #F5C400; }

.nav-cta { display: none; }
.hamburger { color: #fff; padding: 0.5rem; display: inline-flex; }
.hamburger .icon { width: 24px; height: 24px; }
.hamburger .close-icon { display: none; }
.navbar.menu-open .hamburger .open-icon { display: none; }
.navbar.menu-open .hamburger .close-icon { display: block; }

.mobile-menu {
  overflow: hidden;
  max-height: 0;
  background: #0D1B2A;
  border-top: 1px solid transparent;
  transition: max-height 0.25s ease, border-color 0.25s ease;
}
.navbar.menu-open .mobile-menu { max-height: 32rem; border-top-color: #1A2E42; }
.mobile-menu .inner { padding: 1rem; display: flex; flex-direction: column; gap: 0.75rem; }
.mobile-menu a {
  color: #E2E8F0;
  font-family: "Oswald", sans-serif;
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.5rem 0;
  border-bottom: 1px solid #1A2E42;
}
.mobile-menu a.btn { border-bottom: none; justify-content: center; margin-top: 0.5rem; }

@media (min-width: 768px) {
  .nav-links { display: inline-flex; }
  .nav-cta { display: inline-flex; }
  .hamburger { display: none; }
  .mobile-menu, .navbar.menu-open .mobile-menu { max-height: 0; border-top: 0; }
}

/* ---- Hero ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: #0D1B2A;
}
.hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0.35; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(105deg, rgba(13, 27, 42, 0.95) 45%, rgba(13, 27, 42, 0.5) 100%); }
.hero-cut { position: absolute; bottom: 0; left: 0; right: 0; height: 6rem; background: #F4F4F2; clip-path: polygon(0 60%, 100% 0, 100% 100%, 0 100%); }

.hero-content { position: relative; z-index: 10; padding-top: 7rem; padding-bottom: 8rem; }
.hero-content .inner { max-width: 42rem; }
.hero h1 {
  font-family: "Oswald", sans-serif;
  font-weight: 700;
  font-size: clamp(2.4rem, 8vw, 5rem);
  line-height: 1.05;
  color: #FFFFFF;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  overflow-wrap: break-word;
}
.hero h1 .accent { color: #F5C400; }
.hero h1 .big { display: block; font-size: clamp(2.8rem, 9vw, 5.8rem); color: #FFFFFF; }

.hero-divider { width: 5rem; height: 4px; background: #F5C400; margin: 1.5rem 0; transform-origin: left; }
.hero-sub { color: #CBD5E0; font-size: 1.1rem; line-height: 1.7; max-width: 480px; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2rem; }
.hero-info { display: flex; flex-wrap: wrap; gap: 1.5rem; margin-top: 2rem; }
.hero-info > div { display: flex; align-items: center; gap: 0.5rem; color: #A0AEC0; font-size: 0.9rem; }
.hero-info svg { color: #F5C400; width: 16px; height: 16px; }

.scroll-indicator {
  position: absolute;
  bottom: 7rem;
  left: 50%;
  z-index: 10;
  color: #F5C400;
  animation: scrollBounce 1.5s ease-in-out infinite;
}
.scroll-indicator svg { width: 24px; height: 24px; }
@keyframes scrollBounce {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 8px); }
}

/* Hero intro animations */
.hero .fade-a { opacity: 0; animation: heroFade 0.6s cubic-bezier(.25,.46,.45,.94) forwards; }
.hero h1.fade-a { animation-delay: 0.1s; }
.hero .hero-divider.fade-a { animation-delay: 0.35s; animation-name: heroScaleX; }
.hero .hero-sub.fade-a { animation-delay: 0.45s; }
.hero .hero-ctas.fade-a { animation-delay: 0.6s; }
.hero .hero-info.fade-a { animation-delay: 0.8s; }
@keyframes heroFade { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: none; } }
@keyframes heroScaleX { from { opacity: 0; transform: scaleX(0); } to { opacity: 1; transform: scaleX(1); } }

/* ---- Sections ---- */
.sec-gray { background: #F4F4F2; padding: 5rem 0; }
.sec-navy { background: #0D1B2A; padding: 5rem 0; position: relative; overflow: hidden; }
.sec-yellow { background: #F5C400; padding: 5rem 0; }
.sec-header { text-align: center; margin-bottom: 3rem; }

.sec-yellow .section-label { color: #0D1B2A; opacity: 0.7; }
.sec-yellow .yellow-bar { background: #0D1B2A; }
.sec-yellow .lede { color: #1A2E42; }

/* ---- Services grid ---- */
.grid-services { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 640px) { .grid-services { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .grid-services { grid-template-columns: repeat(4, 1fr); } }

.service-card {
  background: #FFFFFF;
  border-top: 4px solid #F5C400;
  padding: 1.75rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  box-shadow: 0 2px 12px rgba(13, 27, 42, 0.08);
}
.service-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(13, 27, 42, 0.15); }
.service-card .icon-box { width: 3rem; height: 3rem; display: flex; align-items: center; justify-content: center; background: #F5C400; color: #0D1B2A; margin-bottom: 1rem; }
.service-card .icon-box svg { width: 22px; height: 22px; }
.service-card h3 {
  font-family: "Oswald", sans-serif;
  font-weight: 600;
  font-size: 1.05rem;
  color: #0D1B2A;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 0.5rem;
}
.service-card p { color: #4A5568; font-size: 0.875rem; line-height: 1.65; }

/* ---- About ---- */
.two-col { display: grid; grid-template-columns: 1fr; gap: 3rem; align-items: center; }
@media (min-width: 1024px) { .two-col { grid-template-columns: 1fr 1fr; } }

.about-img { position: relative; }
.about-img img { width: 100%; height: 420px; object-fit: cover; }
.stat-badge {
  position: absolute;
  bottom: -1.25rem;
  right: -1.25rem;
  width: 7rem; height: 7rem;
  background: #F5C400;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
@media (min-width: 768px) { .stat-badge { display: flex; } }
.stat-badge .big { font-family: "Oswald", sans-serif; font-weight: 700; font-size: 2rem; color: #0D1B2A; line-height: 1; }
.stat-badge .lbl { font-size: 0.7rem; color: #0D1B2A; text-align: center; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; padding: 0 0.25rem; }

.about-body p { color: #A0AEC0; line-height: 1.8; margin-bottom: 1rem; }
.about-body p:last-of-type { margin-bottom: 2rem; }
.about-body .ctas { display: flex; flex-wrap: wrap; gap: 1rem; }

/* ---- Why-Us grid ---- */
.grid-why { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 640px) { .grid-why { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .grid-why { grid-template-columns: repeat(4, 1fr); } }

.why-card { text-align: center; padding: 1.5rem; background: #FFFFFF; box-shadow: 0 2px 12px rgba(13, 27, 42, 0.07); }
.why-card .icon-box { width: 3.5rem; height: 3.5rem; display: flex; align-items: center; justify-content: center; background: #0D1B2A; color: #F5C400; margin: 0 auto 1rem; }
.why-card .icon-box svg { width: 26px; height: 26px; }
.why-card h3 { font-family: "Oswald", sans-serif; font-weight: 600; font-size: 1.1rem; color: #0D1B2A; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 0.5rem; }
.why-card p { color: #4A5568; font-size: 0.875rem; line-height: 1.65; }

/* ---- Coverage ---- */
.coverage-bg { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0.15; }
.coverage-body p { color: #A0AEC0; line-height: 1.8; margin-bottom: 1.5rem; }
.coverage-locations { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.coverage-locations > div { display: flex; align-items: center; gap: 0.5rem; color: #CBD5E0; font-size: 0.9rem; }
.coverage-locations svg { color: #F5C400; width: 14px; height: 14px; }
.coverage-img { position: relative; }
.coverage-img img { width: 100%; height: 380px; object-fit: cover; }
.coverage-img::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: #F5C400; }

/* ---- FAQ ---- */
.faq-list { max-width: 48rem; margin: 0 auto; display: flex; flex-direction: column; gap: 0.75rem; }
.faq-item {
  background: #162233;
  border-left: 4px solid transparent;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}
.faq-item[open] { background: #1A2E42; border-left-color: #F5C400; }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-family: "Oswald", sans-serif;
  font-weight: 600;
  font-size: 1rem;
  color: #FFFFFF;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item[open] summary { color: #F5C400; }
.faq-item summary::after {
  content: "";
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23F5C400' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
  background-repeat: no-repeat;
  transition: transform 0.2s ease;
}
.faq-item[open] summary::after { transform: rotate(180deg); }
.faq-item .answer { padding: 0 1.25rem 1.25rem; color: #CBD5E0; line-height: 1.75; font-size: 0.95rem; }

/* ---- Contact grid ---- */
.grid-contact { display: grid; grid-template-columns: 1fr; gap: 1.5rem; max-width: 48rem; margin: 0 auto; }
@media (min-width: 768px) { .grid-contact { grid-template-columns: repeat(3, 1fr); } }

.contact-card {
  display: flex; flex-direction: column; align-items: center;
  padding: 2rem;
  background: #0D1B2A;
  color: #FFFFFF;
  transition: background-color 0.2s ease;
}
.contact-card:hover { background: #1A2E42; }
.contact-card > svg { width: 32px; height: 32px; margin-bottom: 1rem; color: #F5C400; }
.contact-card.wa > svg { color: #25D366; }
.contact-card .label {
  font-family: "Oswald", sans-serif;
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #A0AEC0;
  margin-bottom: 0.4rem;
}
.contact-card .value { font-family: "Oswald", sans-serif; font-weight: 700; font-size: 1.4rem; color: #FFFFFF; letter-spacing: 0.04em; text-align: center; }
.contact-card .value.sm { font-size: 1.2rem; }

/* ---- Footer ---- */
footer { background: #080F17; padding: 3rem 0 2rem; }
.grid-footer { display: grid; grid-template-columns: 1fr; gap: 2rem; margin-bottom: 2rem; }
@media (min-width: 768px) { .grid-footer { grid-template-columns: repeat(3, 1fr); } }

footer .brand-badge { font-size: 0.9rem; }
footer .brand-name { font-size: 1.1rem; }
footer .brand-sub { font-size: 0.65rem; }
footer h4 {
  font-family: "Oswald", sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #F5C400;
  margin-bottom: 1rem;
}
footer .intro { color: #718096; font-size: 0.875rem; line-height: 1.7; margin-top: 1rem; }
footer .svc-list { display: flex; flex-direction: column; gap: 0.5rem; }
footer .svc-list li { color: #718096; font-size: 0.875rem; }
footer .contact-col { display: flex; flex-direction: column; gap: 0.75rem; }
footer .contact-col a, footer .contact-col .muted {
  display: inline-flex; align-items: center; gap: 0.5rem;
  color: #A0AEC0; font-size: 0.9rem;
}
footer .contact-col svg { color: #F5C400; width: 15px; height: 15px; }
footer .contact-col a.wa svg { color: #25D366; }
footer .bottom {
  border-top: 1px solid #1A2E42;
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}
footer .bottom p { color: #4A5568; font-size: 0.8rem; }

/* ---- WhatsApp float ---- */
.wa-float {
  position: fixed;
  bottom: 1.5rem; right: 1.5rem;
  z-index: 50;
  width: 3.5rem; height: 3.5rem;
  background: #25D366;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  animation: waPulse 2.5s ease-in-out infinite;
}
.wa-float:hover { transform: scale(1.1); box-shadow: 0 6px 28px rgba(37, 211, 102, 0.6); }
.wa-float svg { width: 28px; height: 28px; fill: #FFFFFF; stroke: none; }
@keyframes waPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 28px rgba(37, 211, 102, 0.7), 0 0 0 8px rgba(37, 211, 102, 0.1); }
}

/* ---- Scroll-triggered fade-up ---- */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.55s cubic-bezier(.25,.46,.45,.94), transform 0.55s cubic-bezier(.25,.46,.45,.94);
}
.fade-up.visible { opacity: 1; transform: none; }
.fade-up[data-delay="1"] { transition-delay: 0.1s; }
.fade-up[data-delay="2"] { transition-delay: 0.2s; }
.fade-up[data-delay="3"] { transition-delay: 0.3s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .fade-up { opacity: 1; transform: none; }
}
