/* ============================================================
   TECHSINNO — Light Theme + Circuit Pattern (Fixed)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Share+Tech+Mono&family=Barlow:wght@300;400;500;600&display=swap');

:root {
  --bg:        #f0f4f8;
  --bg2:       #e8edf3;
  --bg3:       #ffffff;
  --navy:      #0a1628;
  --navy2:     #1a2e4a;
  --navy3:     #2a4a6b;
  --green:     #00cc44;
  --green2:    #00ff55;
  --green3:    rgba(0,204,68,0.13);
  --green4:    rgba(0,204,68,0.07);
  --grey:      #5a6a7e;
  --grey2:     #8a9ab0;
  --grey3:     #c8d4e0;
  --white:     #ffffff;
  --shadow:    0 4px 24px rgba(10,22,40,0.10);
  --shadow2:   0 8px 40px rgba(10,22,40,0.15);
  --font-display: 'Bebas Neue', sans-serif;
  --font-mono:    'Share Tech Mono', monospace;
  --font-body:    'Barlow', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background-color: #f0f4f8;
  background-image:
    linear-gradient(rgba(0,204,68,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,204,68,0.07) 1px, transparent 1px),
    radial-gradient(circle, rgba(0,204,68,0.18) 1.5px, transparent 1.5px);
  background-size: 60px 60px, 60px 60px, 30px 30px;
  color: var(--navy);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
}

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--green); border-radius: 2px; }
::selection { background: var(--green); color: var(--white); }

h1, h2, h3, h4 { font-family: var(--font-display); letter-spacing: 0.04em; line-height: 1; color: var(--navy); }
h1 { font-size: clamp(52px, 8vw, 110px); }
h2 { font-size: clamp(32px, 5vw, 60px); }
h3 { font-size: clamp(22px, 3vw, 34px); }

.mono   { font-family: var(--font-mono); }
.accent { color: var(--green); }
.muted  { color: var(--grey); }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 2; }
section { position: relative; z-index: 2; }

.green-line { display: block; width: 48px; height: 3px; background: var(--green); margin-bottom: 16px; }

.section-label {
  font-family: var(--font-mono);
  font-size: 11px; color: var(--green);
  letter-spacing: 3px; text-transform: uppercase;
  margin-bottom: 12px; display: flex; align-items: center; gap: 10px;
}
.section-label::before { content: '//'; opacity: 0.4; color: var(--navy3); }

/* ── NAV ── */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,0.93);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--grey3);
  box-shadow: 0 2px 16px rgba(10,22,40,0.07);
  transition: border-color 0.3s, box-shadow 0.3s;
}
#navbar.scrolled { border-bottom-color: var(--green); box-shadow: 0 2px 24px rgba(0,204,68,0.12); }

.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px; padding: 0 24px; max-width: 1200px; margin: 0 auto;
}

.nav-logo img { height: 48px; width: auto; filter: none; transition: transform 0.3s; }
.nav-logo img:hover { transform: scale(1.05); }

.nav-links { display: flex; align-items: center; gap: 24px; list-style: none; }
.nav-links a {
  font-family: var(--font-mono); font-size: 11px; color: var(--navy3);
  text-decoration: none; letter-spacing: 1px; text-transform: uppercase;
  transition: color 0.2s; position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px; background: var(--green); transition: width 0.3s;
}
.nav-links a:hover { color: var(--green); }
.nav-links a:hover::after { width: 100%; }

.lang-switcher { display: flex; gap: 3px; }
.lang-btn {
  font-family: var(--font-mono); font-size: 10px; padding: 3px 7px;
  background: transparent; color: var(--grey); border: 1px solid var(--grey3);
  cursor: pointer; letter-spacing: 1px; transition: all 0.2s; border-radius: 3px;
}
.lang-btn.active, .lang-btn:hover { background: var(--green); color: var(--white); border-color: var(--green); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--navy); transition: all 0.3s; }
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ── HERO with background image ── */
#hero {
  min-height: 100vh; display: flex; align-items: center;
  padding-top: 64px;
  position: relative;
  background: #0a1628;
}
.hero-bg-image {
  position: absolute; inset: 0; z-index: 0;
  background-image: url('../img/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.hero-bg-overlay {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(135deg, rgba(10,22,40,0.82) 0%, rgba(10,22,40,0.55) 50%, rgba(10,22,40,0.35) 100%);
}
#hero .container { position: relative; z-index: 2; }

/* Hero text on dark — white */
.hero-dark .hero-title { color: #ffffff; text-shadow: 0 2px 20px rgba(0,0,0,0.5); }
.hero-dark .hero-title .line2 { color: #00ff55; text-shadow: 0 0 30px rgba(0,255,85,0.5); }
.hero-dark .hero-eyebrow { color: #00ff55; }
.hero-dark .hero-stat { background: rgba(255,255,255,0.07); backdrop-filter: blur(10px); border: 1px solid rgba(0,204,68,0.3); }
.hero-dark .hero-stat-num { color: #00ff55; }
.hero-dark .hero-stat-label { color: #c8d4e0; }

.hero-content {
  display: grid; grid-template-columns: 1fr 400px;
  gap: 60px; align-items: center; padding: 80px 0;
}

.hero-eyebrow {
  font-family: var(--font-mono); font-size: 12px; color: var(--green);
  letter-spacing: 4px; text-transform: uppercase; margin-bottom: 16px;
  display: flex; align-items: center; gap: 12px;
}
.hero-eyebrow::before { content: ''; display: inline-block; width: 32px; height: 2px; background: var(--green); }

.hero-title { margin-bottom: 8px; }
.hero-title .line2 { color: var(--green); }

.hero-tagline {
  font-family: var(--font-mono); font-size: 13px;
  margin: 20px 0 36px; min-height: 36px;
  background: var(--navy); display: inline-block;
  padding: 8px 16px; border-radius: 6px;
  border-left: 3px solid var(--green);
  color: var(--green2);
}
.hero-tagline .cursor {
  display: inline-block; width: 2px; height: 13px;
  background: var(--green); margin-left: 2px; vertical-align: middle;
  animation: blink 1s step-end infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

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

.btn-primary {
  font-family: var(--font-mono); font-size: 13px; letter-spacing: 2px;
  text-transform: uppercase; padding: 14px 32px; background: var(--green);
  color: var(--white); border: none; cursor: pointer; text-decoration: none;
  display: inline-block; font-weight: 600; transition: all 0.2s;
  border-radius: 6px; box-shadow: 0 4px 16px rgba(0,204,68,0.3);
}
.btn-primary:hover { background: var(--navy); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(10,22,40,0.2); }

.btn-outline {
  font-family: var(--font-mono); font-size: 13px; letter-spacing: 2px;
  text-transform: uppercase; padding: 13px 32px; background: transparent;
  color: var(--navy); border: 2px solid var(--navy); cursor: pointer;
  text-decoration: none; display: inline-block; transition: all 0.2s; border-radius: 6px;
}
.btn-outline:hover { background: var(--navy); color: var(--white); transform: translateY(-2px); }

/* Hero terminal panel */
.hero-panel {
  background: rgba(10,22,40,0.85); backdrop-filter: blur(16px); border-radius: 14px;
  border: 1px solid rgba(0,204,68,0.4); overflow: hidden;
  box-shadow: 0 8px 40px rgba(0,0,0,0.4), 0 0 60px rgba(0,204,68,0.1);
}
.panel-header {
  background: var(--navy2); padding: 12px 16px;
  display: flex; align-items: center; gap: 8px;
  border-bottom: 1px solid var(--navy3);
}
.panel-dot { width: 10px; height: 10px; border-radius: 50%; }
.pd-red   { background: #ff5f57; }
.pd-amber { background: #febc2e; }
.pd-green { background: var(--green); }
.panel-title { font-size: 11px; color: var(--grey2); margin-left: 8px; letter-spacing: 1px; font-family: var(--font-mono); }
.panel-body { padding: 20px; }
.panel-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,0.05);
}
.panel-row:last-child { border-bottom: none; }
.panel-key { color: var(--grey2); font-size: 12px; font-family: var(--font-mono); }
.panel-val { color: var(--green2); font-size: 13px; font-family: var(--font-mono); }
.panel-val.white { color: #ffffff; }
.status-dot {
  display: inline-block; width: 7px; height: 7px; border-radius: 50%;
  background: var(--green); margin-right: 6px;
  animation: pulse 2s ease-in-out infinite;
  box-shadow: 0 0 6px var(--green);
}
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.5;transform:scale(0.85)} }

.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 14px; margin-top: 48px;
}
.hero-stat {
  background: var(--white); border-radius: 12px; padding: 20px 16px;
  text-align: center; box-shadow: var(--shadow); border: 1px solid var(--grey3);
  transition: transform 0.2s, box-shadow 0.2s;
}
.hero-stat:hover { transform: translateY(-4px); box-shadow: var(--shadow2); }
.hero-stat-num { font-family: var(--font-display); font-size: 42px; color: var(--green); line-height: 1; }
.hero-stat-label { font-family: var(--font-mono); font-size: 9px; color: var(--grey); letter-spacing: 2px; text-transform: uppercase; margin-top: 6px; }

/* ── SERVICES ── */
#services { padding: 100px 0; background: rgba(255,255,255,0.80); backdrop-filter: blur(4px); }

.services-header {
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px;
  align-items: end; margin-bottom: 48px;
}
.services-header p { color: var(--grey); font-size: 16px; line-height: 1.7; }

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

.service-card {
  background: var(--white); border-radius: 16px; padding: 28px 22px;
  border: 1px solid var(--grey3); box-shadow: var(--shadow);
  position: relative; overflow: hidden; transition: all 0.3s;
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0;
  width: 0; height: 4px;
  background: linear-gradient(90deg, var(--green), var(--navy));
  transition: width 0.4s; border-radius: 16px 16px 0 0;
}
.service-card:hover::before { width: 100%; }
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow2); border-color: var(--green); }

.service-num {
  font-family: var(--font-display); font-size: 64px; color: var(--bg2);
  position: absolute; top: 8px; right: 12px; line-height: 1;
}

.service-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: var(--green4); border: 1px solid var(--green3);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; margin-bottom: 16px; color: var(--green); transition: all 0.3s;
}
.service-card:hover .service-icon { background: var(--green); color: var(--white); }

.service-card h3 { font-size: 22px; margin-bottom: 10px; color: var(--navy); }
.service-card p { color: var(--grey); font-size: 13px; line-height: 1.7; margin-bottom: 16px; }

.service-tags { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 20px; }
.tag {
  font-family: var(--font-mono); font-size: 9px; padding: 3px 8px;
  border-radius: 20px; background: var(--bg2); color: var(--navy3);
  border: 1px solid var(--grey3); letter-spacing: 1px; text-transform: uppercase; transition: all 0.2s;
}
.service-card:hover .tag { background: var(--green4); border-color: var(--green); color: var(--green); }

.service-link {
  font-family: var(--font-mono); font-size: 11px; color: var(--green);
  text-decoration: none; letter-spacing: 2px; text-transform: uppercase;
  display: flex; align-items: center; gap: 8px; transition: gap 0.2s; font-weight: 600;
}
.service-link:hover { gap: 14px; }

/* ── IOT ── */
#iot { padding: 100px 0; background: linear-gradient(135deg, rgba(240,244,248,0.9) 0%, rgba(234,255,240,0.9) 100%); }

.iot-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.iot-intro p { color: var(--grey); font-size: 15px; line-height: 1.8; margin-bottom: 16px; }

.iot-features { list-style: none; margin: 24px 0; }
.iot-features li {
  font-family: var(--font-mono); font-size: 13px; color: var(--navy2);
  padding: 10px 0; border-bottom: 1px solid var(--grey3);
  display: flex; align-items: center; gap: 12px;
}
.iot-features li::before { content: '▶'; color: var(--green); font-size: 8px; }

.iot-dashboard {
  background: var(--navy); border-radius: 16px; overflow: hidden;
  box-shadow: var(--shadow2); border: 1px solid var(--navy3);
}
.dash-header {
  background: var(--navy2); padding: 14px 20px;
  display: flex; justify-content: space-between; align-items: center;
  border-bottom: 1px solid var(--navy3);
}
.dash-title { font-family: var(--font-mono); font-size: 12px; color: var(--green); letter-spacing: 2px; text-transform: uppercase; }
.dash-time  { font-family: var(--font-mono); font-size: 11px; color: var(--grey2); }

.dash-nodes { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--navy3); margin: 1px; }
.node-card { background: var(--navy); padding: 16px; }
.node-name { font-family: var(--font-mono); font-size: 10px; color: var(--grey2); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 8px; }
.node-val  { font-family: var(--font-display); font-size: 34px; color: var(--green2); line-height: 1; }
.node-unit { font-family: var(--font-mono); font-size: 11px; color: var(--grey2); margin-top: 4px; }

.mini-chart { display: flex; align-items: flex-end; gap: 3px; height: 28px; margin-top: 8px; }
.bar { flex: 1; background: var(--green); opacity: 0.3; border-radius: 2px 2px 0 0; }
.bar.active { opacity: 1; box-shadow: 0 0 6px var(--green); }

.dash-alerts { padding: 12px 16px; border-top: 1px solid var(--navy3); }
.alert-row { font-family: var(--font-mono); font-size: 11px; color: var(--grey2); padding: 5px 0; display: flex; align-items: center; gap: 8px; }
.alert-ok   { color: var(--green); }
.alert-warn { color: #ffcc00; }

/* ── ABOUT ── */
#about { padding: 100px 0; background: rgba(255,255,255,0.85); backdrop-filter: blur(4px); }

.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.about-text p { color: var(--grey); font-size: 15px; line-height: 1.8; margin-bottom: 16px; }
.about-text strong { color: var(--navy); }

.about-reg {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy2) 100%);
  border-radius: 12px; padding: 20px 24px; margin-top: 28px; border-left: 4px solid var(--green);
}
.about-reg p { font-family: var(--font-mono); font-size: 11px; color: var(--grey2); line-height: 2; margin: 0; }
.about-reg strong { color: var(--green); }

.about-presence { display: grid; gap: 20px; }
.country-card {
  background: var(--white); border-radius: 16px; border: 1px solid var(--grey3);
  padding: 28px; box-shadow: var(--shadow); transition: all 0.3s;
}
.country-card:hover { border-color: var(--green); transform: translateY(-4px); box-shadow: var(--shadow2); }
.country-flag { font-size: 36px; margin-bottom: 12px; display: block; }
.country-card h4 { font-family: var(--font-display); font-size: 24px; margin-bottom: 8px; color: var(--navy); }
.country-card p { font-size: 13px; color: var(--grey); line-height: 1.6; }

/* ── CONTACT ── */
#contact { padding: 100px 0; background: linear-gradient(135deg, rgba(240,244,248,0.9) 0%, rgba(234,255,240,0.9) 100%); }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.contact-info { display: flex; flex-direction: column; gap: 24px; }

.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: var(--green4); border: 1px solid var(--green3);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; color: var(--green); flex-shrink: 0;
}
.contact-item h4 { font-family: var(--font-mono); font-size: 11px; color: var(--grey); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 4px; }
.contact-item p { font-size: 14px; color: var(--navy); line-height: 1.5; }

.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-family: var(--font-mono); font-size: 10px; color: var(--grey); letter-spacing: 2px; text-transform: uppercase; }
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--white); border: 1.5px solid var(--grey3); color: var(--navy);
  font-family: var(--font-body); font-size: 14px; padding: 12px 16px; outline: none;
  transition: border-color 0.2s, box-shadow 0.2s; border-radius: 8px;
  appearance: none; -webkit-appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(0,204,68,0.12); }
.form-group select option { background: var(--white); }
.form-group textarea { resize: vertical; min-height: 120px; }

/* ── PORTAL ── */
#portal { padding: 100px 0; background: rgba(255,255,255,0.85); backdrop-filter: blur(4px); }
.portal-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }

.portal-login {
  background: var(--navy); border-radius: 16px; padding: 40px; box-shadow: var(--shadow2);
}
.portal-login h3 { font-size: 28px; margin-bottom: 8px; color: var(--white); }
.portal-login p { font-family: var(--font-mono); font-size: 12px; color: var(--grey2); margin-bottom: 28px; }
.portal-login .form-group label { color: var(--grey2); }
.portal-login .form-group input {
  background: rgba(255,255,255,0.08); border-color: var(--navy3); color: var(--white);
}
.portal-login .form-group input:focus { border-color: var(--green); }

.portal-features { display: flex; flex-direction: column; gap: 16px; }
.portal-feature {
  display: flex; gap: 16px; align-items: flex-start; padding: 20px;
  border-radius: 12px; border: 1px solid var(--grey3);
  background: var(--white); box-shadow: var(--shadow); transition: all 0.3s;
}
.portal-feature:hover { border-color: var(--green); transform: translateX(4px); box-shadow: var(--shadow2); }
.portal-feature-icon { font-size: 24px; color: var(--green); flex-shrink: 0; margin-top: 2px; }
.portal-feature h4 { font-family: var(--font-mono); font-size: 13px; color: var(--navy); margin-bottom: 4px; letter-spacing: 1px; }
.portal-feature p  { font-size: 13px; color: var(--grey); line-height: 1.5; }

/* ── FOOTER ── */
footer { background: var(--navy); padding: 56px 0 24px; position: relative; z-index: 2; }

.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand img { height: 44px; width: auto; filter: none; margin-bottom: 16px; }
.footer-brand p { font-size: 13px; color: var(--grey2); line-height: 1.7; max-width: 280px; }

.footer-col h5 { font-family: var(--font-mono); font-size: 11px; color: var(--green); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 16px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { font-size: 13px; color: var(--grey2); text-decoration: none; transition: color 0.2s; display: flex; align-items: center; gap: 6px; }
.footer-col ul li a:hover { color: var(--green); }
.footer-col ul li a::before { content: '›'; color: var(--green); font-size: 16px; }

.footer-bottom { border-top: 1px solid var(--navy3); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; }
.footer-bottom p { font-family: var(--font-mono); font-size: 11px; color: var(--grey2); letter-spacing: 1px; }
.footer-reg { font-family: var(--font-mono); font-size: 10px; color: rgba(255,255,255,0.2); text-align: right; line-height: 1.8; }


/* ── Premium green-glow accents (match hero aesthetic) ── */
.service-card:hover {
  box-shadow: 0 8px 40px rgba(10,22,40,0.15), 0 0 30px rgba(0,204,68,0.15);
}
.hero-dark .btn-primary {
  box-shadow: 0 4px 20px rgba(0,255,85,0.4), 0 0 40px rgba(0,255,85,0.2);
}
.hero-dark .btn-outline {
  color: #ffffff; border-color: #ffffff;
}
.hero-dark .btn-outline:hover {
  background: #00cc44; border-color: #00cc44; color: #fff;
}
.hero-dark .hero-tagline {
  background: rgba(10,22,40,0.7); backdrop-filter: blur(8px);
  border-left: 3px solid #00ff55;
}
/* IoT dashboard extra glow */
.iot-dashboard {
  box-shadow: 0 8px 40px rgba(10,22,40,0.2), 0 0 50px rgba(0,204,68,0.08);
}
.portal-login {
  box-shadow: 0 8px 40px rgba(10,22,40,0.2), 0 0 50px rgba(0,204,68,0.08);
}


/* Service card illustrations */
.service-illustration {
  width: 100%;
  height: 90px;
  margin-bottom: 16px;
  border-radius: 8px;
  background: rgba(0,204,68,0.07);
  border: 1px solid rgba(0,204,68,0.13);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  transition: all 0.3s;
}
.service-card:hover .service-illustration {
  background: rgba(0,204,68,0.12);
  border-color: rgba(0,204,68,0.4);
}
.service-illustration svg {
  width: 100%;
  height: 100%;
  max-height: 74px;
}
.service-illustration-img {
  background-size: cover;
  background-position: center;
  padding: 0;
  border: 1px solid rgba(0,204,68,0.4);
}


/* ── Language button tooltips ── */
.lang-btn {
  position: relative;
}
.lang-btn::after {
  content: attr(data-tooltip);
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: var(--navy, #0a1628);
  color: #fff;
  font-family: var(--font-body, sans-serif);
  font-size: 11px;
  letter-spacing: 0.5px;
  padding: 5px 10px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 2000;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  border: 1px solid rgba(0,204,68,0.3);
  text-transform: none;
}
.lang-btn::before {
  content: '';
  position: absolute;
  top: calc(100% + 3px);
  left: 50%;
  transform: translateX(-50%);
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-bottom: 5px solid var(--navy, #0a1628);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  z-index: 2000;
}
.lang-btn:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.lang-btn:hover::before {
  opacity: 1;
}

/* ── Clickable service cards ── */
.clickable-card { cursor: pointer; }


/* ── BOOKING SECTION ── */
#booking {
  padding: 100px 0;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(4px);
}
.booking-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 48px;
  align-items: start;
}
.booking-types {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.booking-type {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px;
  border-radius: 12px;
  border: 1.5px solid var(--grey3, #c8d4e0);
  background: var(--white, #fff);
  cursor: pointer;
  transition: all 0.25s;
}
.booking-type:hover {
  border-color: var(--green, #00cc44);
  transform: translateX(4px);
}
.booking-type.active {
  border-color: var(--green, #00cc44);
  background: rgba(0,204,68,0.06);
  box-shadow: 0 4px 20px rgba(0,204,68,0.15);
}
.booking-type-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: rgba(0,204,68,0.1);
  border: 1px solid rgba(0,204,68,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--green, #00cc44);
  flex-shrink: 0;
}
.booking-type.active .booking-type-icon {
  background: var(--green, #00cc44);
  color: #fff;
}
.booking-type h4 {
  font-family: var(--font-display, sans-serif);
  font-size: 20px;
  color: var(--navy, #0a1628);
  margin-bottom: 4px;
}
.booking-type p {
  font-size: 13px;
  color: var(--grey, #5a6a7e);
  line-height: 1.5;
}
.booking-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--white, #fff);
  padding: 32px;
  border-radius: 16px;
  border: 1px solid var(--grey3, #c8d4e0);
  box-shadow: 0 4px 24px rgba(10,22,40,0.10);
}

@media (max-width: 900px) {
  .booking-grid { grid-template-columns: 1fr; gap: 32px; }
}


/* ── HOW IT WORKS / PROCESS ── */
#process {
  padding: 100px 0;
  background: rgba(255,255,255,0.82);
  backdrop-filter: blur(4px);
}
.process-banner {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(10,22,40,0.2), 0 0 50px rgba(0,204,68,0.1);
  border: 1px solid rgba(0,204,68,0.3);
  margin-bottom: 48px;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}
.process-banner img {
  width: 100%;
  height: auto;
  display: block;
}
.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.process-step {
  background: var(--white, #fff);
  border: 1px solid var(--grey3, #c8d4e0);
  border-radius: 14px;
  padding: 24px 18px;
  text-align: center;
  position: relative;
  box-shadow: 0 4px 24px rgba(10,22,40,0.08);
  transition: all 0.3s;
}
.process-step:hover {
  transform: translateY(-6px);
  box-shadow: 0 8px 40px rgba(10,22,40,0.15);
  border-color: var(--green, #00cc44);
}
.process-step-icon {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: rgba(0,204,68,0.1);
  border: 1px solid rgba(0,204,68,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--green, #00cc44);
  margin: 0 auto 16px;
  transition: all 0.3s;
}
.process-step:hover .process-step-icon {
  background: var(--green, #00cc44);
  color: #fff;
}
.process-step-num {
  font-family: var(--font-mono, monospace);
  font-size: 11px;
  color: var(--green, #00cc44);
  letter-spacing: 2px;
  margin-bottom: 6px;
}
.process-step h4 {
  font-family: var(--font-display, sans-serif);
  font-size: 20px;
  color: var(--navy, #0a1628);
  margin-bottom: 8px;
}
.process-step p {
  font-size: 13px;
  color: var(--grey, #5a6a7e);
  line-height: 1.5;
}
@media (max-width: 900px) {
  .process-steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .process-steps { grid-template-columns: 1fr; }
}


/* ── WELCOME BANNER ── */
#welcome-banner {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 3000;
  background: #0a1628;
  border-radius: 16px;
  padding: 22px 24px;
  max-width: 340px;
  width: calc(100vw - 56px);
  box-shadow: 0 8px 40px rgba(10,22,40,0.35);
  border-left: 4px solid #00cc44;
  transform: translateY(150px);
  opacity: 0;
  transition: transform 0.5s cubic-bezier(.34,1.56,.64,1), opacity 0.5s ease;
}
#welcome-banner.wb-show {
  transform: translateY(0);
  opacity: 1;
}
#welcome-banner.wb-hidden {
  transform: translateY(200px);
  opacity: 0;
  pointer-events: none;
}
#welcome-close {
  position: absolute;
  top: 12px;
  right: 14px;
  background: transparent;
  border: none;
  color: #8a9ab0;
  cursor: pointer;
  font-size: 24px;
  line-height: 1;
  padding: 4px 8px;
  border-radius: 6px;
  transition: all 0.2s;
  z-index: 2;
}
#welcome-close:hover {
  color: #fff;
  background: rgba(255,255,255,0.1);
}
.wb-head {
  font-family: var(--font-mono, monospace);
  font-size: 10px;
  color: #00cc44;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 8px;
  padding-right: 24px;
}
#welcome-text {
  font-size: 13px;
  color: #fff;
  line-height: 1.6;
  margin: 0 0 16px;
  min-height: 60px;
}
.wb-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}
#speak-btn {
  font-family: var(--font-mono, monospace);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 9px 16px;
  background: #00cc44;
  color: #000;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
  transition: background 0.2s;
  white-space: nowrap;
}
#speak-btn:hover { background: #00ff55; }
#wb-quote {
  font-family: var(--font-mono, monospace);
  font-size: 11px;
  color: #00cc44;
  text-decoration: none;
  letter-spacing: 1px;
  text-transform: uppercase;
  white-space: nowrap;
}
#wb-quote:hover { color: #00ff55; }

/* ── ANIMATIONS ── */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ── RESPONSIVE ── */
@media (max-width: 1100px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 900px) {
  .hero-content    { grid-template-columns: 1fr; }
  .hero-panel      { display: none; }
  .services-grid   { grid-template-columns: 1fr; }
  .services-header { grid-template-columns: 1fr; }
  .iot-layout      { grid-template-columns: 1fr; }
  .about-grid      { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid    { grid-template-columns: 1fr; gap: 40px; }
  .portal-inner    { grid-template-columns: 1fr; gap: 40px; }
  .footer-top      { grid-template-columns: 1fr 1fr; }
  .nav-links       { display: none; }
  .nav-toggle      { display: flex; }
  .form-row        { grid-template-columns: 1fr; }
  h1               { font-size: 52px; }
  .hero-stats      { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 560px) {
  .hero-stats    { grid-template-columns: repeat(2,1fr); }
  .footer-top    { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .dash-nodes    { grid-template-columns: 1fr; }
}

.mobile-nav {
  display: none; position: fixed; top: 64px; left: 0; right: 0;
  background: rgba(255,255,255,0.98); backdrop-filter: blur(12px);
  z-index: 999; padding: 24px; border-bottom: 2px solid var(--green);
  flex-direction: column; gap: 16px; box-shadow: var(--shadow2);
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-family: var(--font-mono); font-size: 15px; color: var(--navy);
  text-decoration: none; letter-spacing: 2px; text-transform: uppercase;
  padding: 12px 0; border-bottom: 1px solid var(--grey3); transition: color 0.2s;
}
.mobile-nav a:hover { color: var(--green); }