/* ======================================================
   ORION INDUSTRIAL SYSTEMS — Stylesheet
   Palette: Navy #0C2340 · Green #2E7D4F · Off-white #F5F5F0
   ====================================================== */

/* === CUSTOM PROPERTIES === */
:root {
  --navy:        #0C2340;
  --navy-mid:    #163354;
  --navy-light:  #1e4570;
  --green:       #2E7D4F;
  --green-dark:  #246040;
  --bg:          #F5F5F0;
  --bg-alt:      #EAEAE4;
  --text:        #1A1A1A;
  --text-mid:    #6B7280;
  --text-light:  #9CA3AF;
  --white:       #ffffff;
  --border:      rgba(12, 35, 64, 0.10);
  --border-mid:  rgba(12, 35, 64, 0.18);
  --radius:      10px;
  --radius-lg:   16px;
  --shadow-sm:   0 2px 8px rgba(12, 35, 64, 0.07);
  --shadow:      0 4px 20px rgba(12, 35, 64, 0.11);
  --shadow-lg:   0 8px 40px rgba(12, 35, 64, 0.16);
  --transition:  0.22s ease;
}

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
address { font-style: normal; }
ul, ol { list-style: none; }
button { font-family: inherit; }

/* === BASE === */
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: 'Barlow', 'Inter', system-ui, sans-serif;
  line-height: 1.12;
  letter-spacing: -0.02em;
}

h1 em, h2 em { font-style: normal; color: var(--green); }

/* === LAYOUT === */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 96px 0; }

.section-header {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 64px;
}
.section-header h2 {
  font-size: clamp(1.9rem, 3.5vw, 2.8rem);
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 16px;
}
.section-header p {
  color: var(--text-mid);
  font-size: 1rem;
  line-height: 1.75;
}

.section-tag {
  display: inline-block;
  background: rgba(46, 125, 79, 0.10);
  border: 1px solid rgba(46, 125, 79, 0.25);
  color: var(--green);
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 7px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--green);
  color: var(--white);
  border-color: var(--green);
}
.btn-primary:hover {
  background: var(--green-dark);
  border-color: var(--green-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(46, 125, 79, 0.35);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.35);
}
.btn-ghost:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.btn-outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--border-mid);
}
.btn-outline:hover {
  border-color: var(--green);
  color: var(--green);
  transform: translateY(-2px);
}

.btn-primary-light {
  background: var(--white);
  color: var(--navy);
  border-color: var(--white);
  font-weight: 700;
}
.btn-primary-light:hover {
  background: var(--bg);
  border-color: var(--bg);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.18);
}

/* === NAVBAR === */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.navbar.scrolled {
  box-shadow: 0 2px 20px rgba(12, 35, 64, 0.10);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 90px;
}

.logo-link {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.logo-img {
  height: 80px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  color: var(--text-mid);
  font-size: 0.93rem;
  font-weight: 500;
  transition: color var(--transition);
}
.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--navy);
}

.nav-cta {
  background: var(--navy) !important;
  color: var(--white) !important;
  padding: 10px 22px;
  border-radius: 7px;
  font-weight: 600 !important;
  transition: background var(--transition) !important;
}
.nav-cta:hover {
  background: var(--navy-mid) !important;
  color: var(--white) !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  background: var(--navy);
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 90px;
}

/* Starfield canvas */
.starfield-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 80% 50%, rgba(46, 125, 79, 0.09) 0%, transparent 52%),
    radial-gradient(ellipse at 78% 48%, rgba(80, 120, 255, 0.05) 0%, transparent 40%);
  pointer-events: none;
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  padding-top: 72px;
  padding-bottom: 96px;
  max-width: 780px;
}

.hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 22px;
}

.hero h1 {
  font-family: 'Barlow', 'Inter', sans-serif;
  font-size: clamp(2.8rem, 6vw, 5.2rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 20px;
  line-height: 1.05;
}

.hero-slogan {
  font-size: 1.15rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.70);
  letter-spacing: 0.01em;
  margin-bottom: 22px;
  font-style: italic;
}

.hero-desc {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.75;
  max-width: 580px;
  margin-bottom: 44px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* === SERVICES HIGHLIGHT === */
.services-highlight {
  background: var(--bg);
}

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

.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: all var(--transition);
}
.service-card:hover {
  border-color: var(--border-mid);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.service-icon {
  width: 52px;
  height: 52px;
  background: rgba(12, 35, 64, 0.05);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--navy);
  margin-bottom: 20px;
}
.service-icon svg { width: 26px; height: 26px; }

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
}
.service-card p {
  color: var(--text-mid);
  font-size: 0.93rem;
  line-height: 1.75;
  margin-bottom: 22px;
}

.card-link {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--green);
  transition: color var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.card-link:hover { color: var(--green-dark); }

/* === TRUST INDICATORS === */
.trust {
  background: var(--bg-alt);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

.trust-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.trust-icon {
  width: 52px;
  height: 52px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green);
  flex-shrink: 0;
}
.trust-icon svg { width: 24px; height: 24px; }

.trust-text h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}
.trust-text p {
  color: var(--text-mid);
  font-size: 0.88rem;
  line-height: 1.65;
}

/* === STATS BAR === */
.stats-bar {
  background: var(--navy);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.stats-bar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.stat-item {
  padding: 52px 32px;
  text-align: center;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}
.stat-item:last-child { border-right: none; }

.stat-num {
  font-family: 'Barlow', sans-serif;
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.03em;
  line-height: 1;
  display: block;
  margin-bottom: 10px;
}

.stat-label {
  color: rgba(255, 255, 255, 0.45);
  font-size: 0.88rem;
  font-weight: 500;
  line-height: 1.45;
}

@media (max-width: 768px) {
  .stats-bar-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stat-item {
    border-right: 1px solid rgba(255, 255, 255, 0.08);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding: 36px 24px;
  }
  .stat-item:nth-child(2n) { border-right: none; }
  .stat-item:nth-child(3),
  .stat-item:nth-child(4) { border-bottom: none; }
}

/* === PROJECT SNAPSHOT === */
.project-snapshot {
  margin-top: 36px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-left: 3px solid var(--border-mid);
  border-radius: var(--radius);
  padding: 24px 28px;
}

.project-snapshot-tag {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 10px;
  display: block;
}

.project-snapshot p {
  color: var(--text-mid);
  font-size: 0.91rem;
  line-height: 1.75;
  margin-bottom: 0;
}

/* === CTA === */
.cta {
  background: var(--navy);
}

.cta-inner {
  text-align: center;
  max-width: 580px;
  margin: 0 auto;
}

.cta-inner h2 {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
}

.cta-inner p {
  color: rgba(255, 255, 255, 0.55);
  font-size: 1rem;
  margin-bottom: 36px;
}

/* === FOOTER === */
.footer {
  background: var(--navy);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.1fr 2fr;
  gap: 64px;
  padding: 64px 24px;
}

.footer-logo-link {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  width: fit-content;
}
.footer-logo-img {
  height: 64px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.85;
}
.footer-brand-name {
  font-family: 'Barlow', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--white);
  letter-spacing: -0.01em;
}

.footer-reg {
  color: rgba(255, 255, 255, 0.38);
  font-size: 0.82rem;
  line-height: 1.65;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col-title {
  color: var(--white);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.48);
  font-size: 0.87rem;
  transition: color var(--transition);
}
.footer-col a:hover { color: rgba(255, 255, 255, 0.88); }

.footer-col address {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col address span {
  color: rgba(255, 255, 255, 0.48);
  font-size: 0.87rem;
  line-height: 1.4;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 20px;
  padding-bottom: 20px;
  color: rgba(255, 255, 255, 0.30);
  font-size: 0.82rem;
}

/* ======================================================
   PAGE-SPECIFIC: SERVICES
   ====================================================== */
.page-hero {
  position: relative;
  overflow: hidden;
  background: var(--navy);
  padding: 136px 0 72px;
}

.page-hero-inner {
  position: relative;
  z-index: 3;
  max-width: 680px;
}

.page-hero .section-tag { margin-bottom: 16px; }

.page-hero h1 {
  font-family: 'Barlow', sans-serif;
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
}

.page-hero p {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.60);
  line-height: 1.75;
}

/* Services detail */
.services-detail { background: var(--bg); }

.service-block {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 80px;
  align-items: start;
  padding: 72px 0;
  border-bottom: 1px solid var(--border);
}
.service-block:last-child { border-bottom: none; }

.service-block-label {
  position: sticky;
  top: 96px;
}

.service-block-num {
  font-family: 'Barlow', sans-serif;
  font-size: 4rem;
  font-weight: 800;
  color: rgba(12, 35, 64, 0.08);
  line-height: 1;
  margin-bottom: 16px;
  letter-spacing: -0.03em;
}

.service-block-label h2 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
}

.service-block-label > p {
  color: var(--text-mid);
  font-size: 0.93rem;
  line-height: 1.7;
}

.service-block-body p {
  color: var(--text-mid);
  font-size: 0.97rem;
  line-height: 1.8;
  margin-bottom: 28px;
}

.service-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 8px;
}

.feature-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.feature-item h4 {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}

.feature-item p {
  font-size: 0.85rem;
  color: var(--text-mid);
  line-height: 1.6;
  margin-bottom: 0;
}

/* ======================================================
   PAGE-SPECIFIC: ABOUT
   ====================================================== */
.about-intro { background: var(--bg); }

.about-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-intro-text h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 20px;
}

.about-intro-text p {
  color: var(--text-mid);
  font-size: 0.97rem;
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-stats-panel {
  background: var(--navy);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.stat-block { text-align: center; }

.stat-block-num {
  font-family: 'Barlow', sans-serif;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--white);
  display: block;
  margin-bottom: 4px;
}

.stat-block-label {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.50);
  line-height: 1.4;
}

/* About values */
.about-values { background: var(--bg-alt); }

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

.value-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
}

.value-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
}

.value-card p {
  color: var(--text-mid);
  font-size: 0.9rem;
  line-height: 1.7;
}

.value-num {
  font-family: 'Barlow', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: rgba(46, 125, 79, 0.18);
  line-height: 1;
  margin-bottom: 16px;
}

/* ── HK Advantage grid ── */
.hk-advantage { background: var(--bg-alt); }

.hk-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.hk-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: all var(--transition);
}
.hk-item:hover {
  border-color: var(--border-mid);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.hk-item-icon {
  width: 48px;
  height: 48px;
  background: rgba(12, 35, 64, 0.05);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--navy);
  flex-shrink: 0;
}
.hk-item-icon svg { width: 24px; height: 24px; }

.hk-item h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 4px;
}
.hk-item p {
  color: var(--text-mid);
  font-size: 0.91rem;
  line-height: 1.7;
}

/* ======================================================
   PAGE-SPECIFIC: CONTACT
   ====================================================== */
.contact-section { background: var(--bg); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  align-items: start;
}

.contact-info-panel h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 16px;
}

.contact-info-panel > p {
  color: var(--text-mid);
  font-size: 0.97rem;
  line-height: 1.75;
  margin-bottom: 40px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: rgba(12, 35, 64, 0.05);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--navy);
}
.contact-icon svg { width: 20px; height: 20px; }

.contact-item-label {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}
.contact-item-value {
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.5;
}
.contact-item-value a {
  color: var(--green);
  transition: color var(--transition);
}
.contact-item-value a:hover { color: var(--green-dark); }

/* Contact form */
.contact-form-wrap {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy);
  letter-spacing: 0.01em;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg);
  border: 1.5px solid var(--border-mid);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  padding: 12px 16px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-light);
}

.form-group select { cursor: pointer; }
.form-group select option { background: var(--white); color: var(--text); }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(46, 125, 79, 0.12);
}

.btn-full { width: 100%; justify-content: center; }

.btn-spinner {
  display: none;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: var(--white);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
.btn.loading .btn-text { display: none; }
.btn.loading .btn-spinner { display: block; }

@keyframes spin { to { transform: rotate(360deg); } }

.contact-icon--wa {
  background: rgba(37, 211, 102, 0.08) !important;
  border-color: rgba(37, 211, 102, 0.22) !important;
  color: #20b558 !important;
}

.contact-note {
  margin-top: 32px;
  padding: 20px;
  background: var(--bg-alt);
  border-radius: var(--radius);
  border-left: 3px solid var(--green);
}
.contact-note p {
  color: var(--text-mid);
  font-size: 0.87rem;
  line-height: 1.65;
}

.field-required { color: var(--green); }

.form-privacy {
  font-size: 0.80rem;
  color: var(--text-light);
  text-align: center;
  line-height: 1.5;
}

.form-notice {
  font-size: 0.88rem;
  padding: 12px 16px;
  border-radius: 8px;
  display: none;
}
.form-notice.success {
  display: block;
  background: rgba(46, 125, 79, 0.08);
  border: 1px solid rgba(46, 125, 79, 0.25);
  color: var(--green-dark);
}
.form-notice.error {
  display: block;
  background: rgba(220, 38, 38, 0.07);
  border: 1px solid rgba(220, 38, 38, 0.22);
  color: #b91c1c;
}

/* ======================================================
   RESPONSIVE
   ====================================================== */
@media (max-width: 1024px) {
  .trust-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .service-block { grid-template-columns: 1fr; gap: 40px; }
  .service-block-label { position: static; }
  .about-intro-grid { grid-template-columns: 1fr; gap: 48px; }
  .hk-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }

  /* Mobile nav drawer */
  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    background: var(--white);
    border-left: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 100px 32px 40px;
    gap: 24px;
    transform: translateX(100%);
    transition: transform var(--transition);
    z-index: 99;
    box-shadow: -8px 0 32px rgba(12, 35, 64, 0.12);
  }
  .nav-links.open { transform: translateX(0); }
  .nav-links a { font-size: 1.05rem; color: var(--navy); }
  .hamburger { display: flex; }

  /* Overlay when menu open */
  .nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(12, 35, 64, 0.4);
    z-index: 98;
  }
  .nav-overlay.active { display: block; }

  .cards-grid { grid-template-columns: 1fr; }

  .trust-grid { grid-template-columns: 1fr; gap: 0; }
  .trust-item {
    flex-direction: row;
    align-items: flex-start;
    gap: 20px;
    padding: 24px 0;
    border-bottom: 1px solid var(--border);
  }
  .trust-item:last-child { border-bottom: none; }

  .service-features { grid-template-columns: 1fr; }

  .contact-grid { grid-template-columns: 1fr; gap: 48px; }

  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom-inner { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2.4rem; }
  .page-hero h1 { font-size: 2rem; }
  .hero-actions { flex-direction: column; }
  .form-row { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .about-stats-panel { grid-template-columns: 1fr; }
}

/* ======================================================
   WHATSAPP FLOATING BUTTON
   ====================================================== */
.wa-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 200;
  display: flex;
  align-items: center;
  gap: 10px;
  background: #25D366;
  color: #fff;
  padding: 14px 20px 14px 16px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.92rem;
  font-family: 'Inter', system-ui, sans-serif;
  text-decoration: none;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.45);
  transition: background 0.22s ease, transform 0.22s ease, box-shadow 0.22s ease;
  overflow: hidden;
}
.wa-float:hover {
  background: #1aab52;
  transform: translateY(-3px);
  box-shadow: 0 10px 32px rgba(37, 211, 102, 0.55);
}

.wa-float-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.wa-float-label {
  white-space: nowrap;
}

/* Pulsing attention ring */
.wa-float-ping {
  position: absolute;
  inset: 0;
  border-radius: 100px;
  border: 2px solid #25D366;
  animation: waPing 2.6s ease-out infinite;
  pointer-events: none;
}

@keyframes waPing {
  0%   { transform: scale(1);    opacity: 0.7; }
  70%  { transform: scale(1.16); opacity: 0;   }
  100% { transform: scale(1.16); opacity: 0;   }
}

/* Collapse to icon-only on small screens */
@media (max-width: 540px) {
  .wa-float { padding: 14px; border-radius: 50%; }
  .wa-float-label { display: none; }
}