:root {
  --accent: #0E8F89;
  --accent-dark: #0A6E69;
  --accent-light: #E4F5F3;
  --hero-from: #3FC1B7;
  --hero-to: #1E9E96;

  --ink: #0F1B24;
  --ink-soft: #56636B;
  --paper: #ffffff;
  --paper-soft: #F5FAF9;
  --border: #E5EEEC;

  --radius: 14px;
  --shadow: 0 10px 30px rgba(15, 27, 36, 0.08);
  --shadow-lg: 0 20px 50px rgba(15, 27, 36, 0.16);

  --header-h: 76px;
  --mobile-bar-h: 64px;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Segoe UI', system-ui, -apple-system, Roboto, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 clamp(18px, 4vw, 24px);
}

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

h1, h2, h3 { line-height: 1.15; margin: 0 0 12px; }

button { font: inherit; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 16px;
}

.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand-mark {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--hero-from), var(--accent-dark));
  color: #fff;
  font-weight: 800;
  font-size: 19px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-shadow: 0 1px 0 rgba(255,255,255,0.35), 0 -1px 1px rgba(0,0,0,0.35);
  box-shadow:
    inset 0 1px 1px rgba(255,255,255,0.5),
    inset 0 -2px 3px rgba(0,0,0,0.25),
    0 3px 8px rgba(15,27,36,0.3);
}
.brand-mark-sm { width: 36px; height: 36px; font-size: 17px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; min-width: 0; }
.brand-name {
  font-weight: 800;
  font-size: clamp(15px, 3.6vw, 18px);
  letter-spacing: 0.3px;
  color: var(--ink);
  white-space: nowrap;
}
.brand-tag { font-size: 11px; color: var(--ink-soft); white-space: nowrap; }

.main-nav { display: flex; align-items: center; gap: 26px; font-weight: 600; font-size: 15px; }
.main-nav a { position: relative; color: var(--ink); opacity: 0.78; padding-bottom: 4px; transition: opacity .2s, color .2s; }
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 2px;
  background: var(--accent);
  transition: right .25s ease;
}
.main-nav a:hover { opacity: 1; color: var(--accent-dark); }
.main-nav a:hover::after { right: 0; }
.nav-cta {
  background: var(--accent);
  color: #fff !important;
  padding: 10px 20px;
  border-radius: 8px;
  opacity: 1 !important;
}
.nav-cta:hover { background: var(--accent-dark); color: #fff !important; }

.header-actions { display: flex; align-items: center; gap: 10px; }
.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-soft);
  transition: border-color .2s, color .2s;
  flex-shrink: 0;
}
.icon-btn svg { width: 18px; height: 18px; }
.icon-btn:hover { border-color: var(--accent); color: var(--accent-dark); }

.nav-toggle {
  display: none;
  position: relative;
  width: 40px;
  height: 40px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
  z-index: 210;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .25s ease, opacity .2s ease;
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(6, 16, 20, 0.5);
  z-index: 150;
  opacity: 0;
  transition: opacity .25s ease;
}
.nav-overlay.active { display: block; opacity: 1; }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(155deg, var(--hero-from), var(--hero-to));
  padding: clamp(52px, 9vw, 96px) 0 clamp(72px, 11vw, 110px);
  position: relative;
  overflow: hidden;
}
.hero-inner { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 50px; align-items: center; position: relative; z-index: 2; }

.eyebrow {
  display: inline-block;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.4px;
  color: var(--accent-dark);
  background: #fff;
  padding: 6px 14px;
  border-radius: 999px;
  margin: 0 0 16px;
}

.hero-meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-weight: 700;
  font-size: 13px;
  color: var(--ink);
  background: #fff;
  padding: 6px 14px;
  border-radius: 999px;
  margin: 0 0 16px;
}
.status-badge::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #22C55E; }
.status-badge.status-closed::before { background: #EF4444; }

.hero-text h1 { font-size: clamp(28px, 5.4vw, 44px); color: #fff; }
.hero-sub { color: rgba(255,255,255,0.88); font-size: clamp(15px, 2.6vw, 17px); max-width: 480px; margin: 16px 0 30px; }

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 15px;
  min-height: 48px;
  transition: transform .2s, box-shadow .2s, background .2s;
}
.btn-primary {
  background: #fff;
  color: var(--accent-dark);
  box-shadow: var(--shadow);
}
.btn-primary:hover { background: #f0fbfa; }
.btn-outline {
  border: 2px solid rgba(255,255,255,0.7);
  color: #fff;
}
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.08); }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

/* ---------- Hero illustration ---------- */
.hero-art { position: relative; height: 380px; }

.halo {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.28);
  top: 50%;
  left: 50%;
}
.halo-1 { width: 320px; height: 320px; transform: translate(-50%, -50%); background: rgba(255,255,255,0.05); }
.halo-2 { width: 400px; height: 400px; transform: translate(-50%, -50%); border-color: rgba(255,255,255,0.16); }

.device {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -46%);
  width: 190px;
}
.device-tower {
  position: absolute;
  right: -46px;
  bottom: -6px;
  width: 34px;
  height: 84px;
  background: linear-gradient(160deg, #eafffb, #cdeeea);
  border-radius: 6px;
  box-shadow: var(--shadow-lg);
}
.device-monitor {
  background: linear-gradient(160deg, #ffffff, #d9f2ef);
  border-radius: 10px;
  padding: 10px;
  box-shadow: var(--shadow-lg);
}
.device-screen {
  background: linear-gradient(160deg, var(--accent-dark), var(--hero-from));
  border-radius: 6px;
  padding: 18px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.device-screen span { display: block; height: 6px; border-radius: 3px; background: rgba(255,255,255,0.55); }
.device-screen span:nth-child(1) { width: 70%; }
.device-screen span:nth-child(2) { width: 90%; }
.device-screen span:nth-child(3) { width: 50%; background: rgba(255,255,255,0.85); }
.device-stand {
  width: 60px;
  height: 14px;
  background: #cdeeea;
  margin: 0 auto;
  border-radius: 0 0 8px 8px;
}
.device-stand::before {
  content: "";
  display: block;
  width: 90px;
  height: 6px;
  background: #cdeeea;
  border-radius: 3px;
  margin: 8px auto 0;
}

.float-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--paper);
  border-radius: 10px;
  box-shadow: var(--shadow-lg);
  padding: 12px 16px;
  font-weight: 700;
  font-size: 13px;
  color: var(--ink);
  white-space: nowrap;
}
.float-card span { font-size: 18px; }
.fc-1 { top: 4%; left: 4%; }
.fc-2 { bottom: 16%; left: 3%; }
.fc-3 { top: 10%; right: 2%; }
.fc-4 { bottom: 2%; right: 8%; }

/* ---------- Why strip ---------- */
.why { padding: 0; margin-top: -34px; position: relative; z-index: 5; }
.why-grid {
  background: var(--paper);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  overflow: hidden;
}
.why-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 26px 20px;
  text-align: left;
  border-right: 1px solid var(--border);
  color: var(--ink);
}
.why-item:last-child { border-right: none; }
.why-item span { font-size: 22px; flex-shrink: 0; }
.why-item strong { display: block; font-size: 14.5px; font-weight: 700; margin-bottom: 3px; }
.why-item p { margin: 0; font-size: 12.5px; color: var(--ink-soft); line-height: 1.4; }

/* ---------- Section shared ---------- */
section { padding: clamp(56px, 9vw, 96px) 0; }
.section-eyebrow {
  text-transform: uppercase;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 1.5px;
  color: var(--accent);
  margin: 0 0 8px;
}
h2 { font-size: clamp(26px, 5vw, 34px); }
.section-sub { color: var(--ink-soft); font-size: 16px; max-width: 620px; margin: 0 0 8px; }

/* ---------- Reveal animation ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}
[data-reveal].in-view { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Services ---------- */
.services { background: var(--paper-soft); }
.service-grid {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-pillar {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  text-align: center;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.service-pillar:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--accent); }
.pillar-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent-light);
  color: var(--accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  transition: background .25s, color .25s;
}
.service-pillar:hover .pillar-icon { background: var(--accent); color: #fff; }
.pillar-icon svg { width: 26px; height: 26px; }
.service-pillar h3 {
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  font-weight: 800;
}
.service-pillar p { color: var(--ink-soft); font-size: 14.5px; margin: 0 0 18px; }
.pillar-link { font-weight: 700; font-size: 14px; color: var(--accent-dark); }
.pillar-link:hover { text-decoration: underline; }

/* ---------- About ---------- */
.about { background: var(--paper); }
.about-inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: center; }
.about-text p { color: var(--ink-soft); font-size: 16px; }
.about-list { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 10px; font-weight: 600; }

.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.stat-box {
  background: var(--paper-soft);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 24px;
  font-weight: 600;
  font-size: 14.5px;
  color: var(--ink-soft);
}
.stat-box span {
  display: block;
  font-size: 22px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 6px;
}

/* ---------- Contact ---------- */
.contact { background: var(--paper-soft); }
.contact-grid {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.contact-card {
  text-align: center;
  padding: 36px 24px;
  border-radius: var(--radius);
  background: var(--paper);
  border: 1px solid var(--border);
}
.contact-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
}
.contact-icon svg { width: 24px; height: 24px; }
.contact-card h3 { font-size: 17px; }
.contact-card p { color: var(--ink-soft); font-size: 14.5px; }
.contact-card a { display: inline-block; margin-top: 10px; font-weight: 700; color: var(--accent-dark); }

.map-wrap {
  margin-top: 28px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  aspect-ratio: 16 / 7;
}
.map-wrap iframe { width: 100%; height: 100%; border: 0; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: #fff; padding: 36px 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer-brand-row { display: flex; align-items: center; gap: 12px; }
.footer-brand { font-size: 16px; color: #fff; }
.footer-tag { margin: 4px 0 0; font-size: 13px; color: #9AACB1; }
.footer-copy { font-size: 13px; color: #9AACB1; margin: 0; }

/* ---------- WhatsApp FAB ---------- */
.whatsapp-fab {
  position: fixed;
  bottom: 26px;
  right: 26px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  box-shadow: var(--shadow-lg);
  z-index: 200;
  transition: transform .2s;
}
.whatsapp-fab:hover { transform: scale(1.08); }

/* ---------- Mobile sticky action bar ---------- */
.mobile-bar {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 190;
  background: var(--paper);
  border-top: 1px solid var(--border);
  box-shadow: 0 -8px 24px rgba(15,27,36,0.10);
  padding-bottom: env(safe-area-inset-bottom, 0);
}
.mobile-bar a {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  height: var(--mobile-bar-h);
  font-size: 12px;
  font-weight: 700;
  color: var(--ink-soft);
}
.mobile-bar a span { font-size: 19px; }
.mobile-bar a:active { color: var(--accent-dark); }
.mobile-bar a:not(:last-child) { border-right: 1px solid var(--border); }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .hero-inner, .about-inner { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr 1fr; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .why-item:nth-child(2) { border-right: none; }
  .why-item:nth-child(1), .why-item:nth-child(2) { border-bottom: 1px solid var(--border); }
  .hero-art { height: 320px; margin-top: 10px; }
  .float-card { font-size: 12px; padding: 10px 14px; }
}

@media (max-width: 640px) {
  :root { --header-h: 64px; }

  .whatsapp-fab { display: none; }
  .brand-mark-sm { display: none; }

  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--paper);
    flex-direction: column;
    align-items: stretch;
    padding: 12px 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    gap: 4px;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
    z-index: 160;
  }
  .main-nav.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .main-nav a { padding: 14px 4px; border-bottom: 1px solid var(--border); font-size: 16px; }
  .main-nav a:last-child { border-bottom: none; }
  .nav-cta { text-align: center; border-radius: 10px; margin-top: 8px; padding: 14px; }
  .nav-toggle { display: flex; }

  .hero-art { display: none; }

  .why-grid { grid-template-columns: 1fr 1fr; border-radius: 12px; }
  .why-item { padding: 18px 14px; flex-direction: column; align-items: center; text-align: center; gap: 6px; }
  .why-item p { font-size: 12px; }

  .service-grid, .contact-grid, .about-stats { grid-template-columns: 1fr; }
  section { padding: 48px 0; }

  .hero-actions .btn { flex: 1 1 auto; justify-content: center; }

  body { padding-bottom: calc(var(--mobile-bar-h) + env(safe-area-inset-bottom, 0)); }
  .mobile-bar { display: flex; }
  .site-footer { padding-bottom: calc(36px + var(--mobile-bar-h)); }
}

@media (max-width: 380px) {
  .brand-tag { display: none; }
  .hero-actions { flex-direction: column; }
}