/* ═══════════════════════════════════════════════════════════════
   WLANTECHnologies — Premium Enterprise Website
   Colors extracted from wlantech-logo-04-wedge.svg
   ═══════════════════════════════════════════════════════════════ */

/* ── Design Tokens ─────────────────────────────────────────── */
:root {
  /* Colors extracted from the real WLANTechnologies logo */
  --navy-900: #071825;   /* near-black dot in logo */
  --navy-800: #0d2337;   /* deep background */
  --navy-700: #10304d;
  --navy-600: #154060;
  --blue-600: #1a527a;   /* primary steel blue from logo text & inner arc */
  --blue-700: #134060;
  --blue-500: #2a6d9e;
  --sky-400:  #7bb5d0;   /* mid-tone derived from logo outer arc */
  --sky-300:  #b3d4e6;   /* light powder blue — logo outer arc */
  --white:    #ffffff;
  --gray-50:  #f0f6fa;
  --gray-100: #ddeaf3;
  --gray-200: #bdd3e3;
  --gray-500: #5a7a90;
  --gray-600: #405f73;
  --gray-900: #071825;

  --font-main:    'Inter', system-ui, sans-serif;
  --font-tight:   'Inter Tight', 'Inter', system-ui, sans-serif;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  28px;

  --shadow-card: 0 4px 24px rgba(0,102,255,0.08), 0 1px 4px rgba(10,37,64,0.08);
  --shadow-card-hover: 0 12px 40px rgba(0,102,255,0.18), 0 2px 8px rgba(10,37,64,0.12);
  --shadow-btn:  0 4px 16px rgba(0,102,255,0.35);

  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset & Base ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 76px;
}

body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.65;
  color: var(--navy-800);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── Container ─────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Typography Utilities ──────────────────────────────────── */
.gradient-text {
  background: linear-gradient(110deg, var(--blue-600) 0%, var(--sky-400) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-600);
  margin-bottom: 16px;
}
.section-tag::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--blue-600);
  border-radius: 2px;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}
.section-header h2 {
  font-family: var(--font-tight);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  line-height: 1.15;
  color: var(--navy-800);
  margin-bottom: 16px;
}
.section-sub {
  font-size: 17px;
  color: var(--gray-500);
  line-height: 1.7;
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--blue-600);
  color: var(--white);
  box-shadow: var(--shadow-btn);
}
.btn-primary:hover {
  background: var(--blue-700);
  box-shadow: 0 6px 24px rgba(0,102,255,0.45);
  transform: translateY(-1px);
}

.btn-outline {
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(8px);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.55);
  transform: translateY(-1px);
}

.btn-white {
  background: var(--white);
  color: var(--blue-600);
  font-weight: 700;
}
.btn-white:hover {
  background: var(--gray-50);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.15);
}

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

/* ── Logo Visibility ───────────────────────────────────────── */
/*
 * The PNG logo uses dark navy + light blue on white background.
 * On dark sections (navbar, footer) we render a clean white version.
 * On light sections the natural colours show through.
 */
.logo-dark {
  /* Strips colour → pure white silhouette — standard practice on dark BGs */
  filter: brightness(0) invert(1);
  transition: opacity 0.25s ease;
}
.logo-dark:hover { opacity: 0.85; }

/* Light-background contexts: show natural logo colours */
.logo-light {
  filter: none;
  transition: opacity 0.25s ease;
}
.logo-light:hover { opacity: 0.8; }

/* ── Scroll Animations (data-aos) ──────────────────────────── */
[data-aos] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
[data-aos].aos-visible {
  opacity: 1;
  transform: translateY(0);
}
[data-aos-delay="60"].aos-visible  { transition-delay: 60ms; }
[data-aos-delay="80"].aos-visible  { transition-delay: 80ms; }
[data-aos-delay="100"].aos-visible { transition-delay: 100ms; }
[data-aos-delay="120"].aos-visible { transition-delay: 120ms; }
[data-aos-delay="160"].aos-visible { transition-delay: 160ms; }
[data-aos-delay="200"].aos-visible { transition-delay: 200ms; }
[data-aos-delay="240"].aos-visible { transition-delay: 240ms; }
[data-aos-delay="300"].aos-visible { transition-delay: 300ms; }

[data-aos="fade-right"] { transform: translateX(-28px); }
[data-aos="fade-right"].aos-visible { transform: translateX(0); }
[data-aos="fade-left"]  { transform: translateX(28px); }
[data-aos="fade-left"].aos-visible  { transform: translateX(0); }

/* ════════════════════════════════════════════════════════════
   NAVIGATION
   ════════════════════════════════════════════════════════════ */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition),
              border-color var(--transition);
  border-bottom: 1px solid transparent;
}
#navbar.scrolled {
  background: rgba(10, 37, 64, 0.92);
  backdrop-filter: blur(16px) saturate(180%);
  border-color: rgba(56, 189, 248, 0.12);
  box-shadow: 0 2px 24px rgba(0,0,0,0.25);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.nav-logo img { height: 38px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.8);
  transition: var(--transition);
}
.nav-links a:hover { color: var(--white); background: rgba(255,255,255,0.08); }

.nav-cta {
  background: var(--blue-600) !important;
  color: var(--white) !important;
  box-shadow: 0 2px 12px rgba(0,102,255,0.35);
  margin-left: 8px;
  border-radius: var(--radius-md) !important;
  padding: 9px 18px !important;
  font-weight: 600 !important;
}
.nav-cta:hover {
  background: var(--blue-700) !important;
  box-shadow: 0 4px 20px rgba(0,102,255,0.5) !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ════════════════════════════════════════════════════════════
   HERO
   ════════════════════════════════════════════════════════════ */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--navy-900);
  overflow: hidden;
  padding: 120px 24px 80px;
}

/* Dot grid overlay */
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(56,189,248,0.18) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}

/* Blue glow */
.hero-glow {
  position: absolute;
  bottom: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 400px;
  background: radial-gradient(ellipse at center, rgba(0,102,255,0.22) 0%, transparent 70%);
  pointer-events: none;
}

/* Content column */
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 640px;
  flex: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  background: rgba(0,102,255,0.12);
  border: 1px solid rgba(0,102,255,0.25);
  border-radius: 100px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--sky-400);
  letter-spacing: 0.04em;
  margin-bottom: 28px;
}
.badge-pulse {
  width: 8px;
  height: 8px;
  background: var(--sky-400);
  border-radius: 50%;
  animation: badgePulse 2s ease-in-out infinite;
}
@keyframes badgePulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.75); }
}

.hero-title {
  font-family: var(--font-tight);
  font-size: clamp(36px, 5.5vw, 64px);
  font-weight: 900;
  line-height: 1.08;
  color: var(--white);
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: clamp(15px, 1.8vw, 18px);
  color: rgba(255,255,255,0.65);
  line-height: 1.75;
  margin-bottom: 40px;
  max-width: 520px;
}

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

/* Visual column — Network Globe */
.hero-visual {
  position: absolute;
  right: -30px;
  top: 50%;
  transform: translateY(-50%);
  width: 520px;
  opacity: 0.93;
  pointer-events: none;
}

.globe-wrap {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.globe-svg {
  width: 100%;
  height: auto;
  animation: globeBreathe 5s ease-in-out infinite;
}

@keyframes globeBreathe {
  0%, 100% {
    filter:
      drop-shadow(0 0 18px rgba(74, 158, 197, 0.28))
      drop-shadow(0 0 55px rgba(26, 82, 122, 0.18));
  }
  50% {
    filter:
      drop-shadow(0 0 30px rgba(74, 158, 197, 0.48))
      drop-shadow(0 0 80px rgba(26, 82, 122, 0.3));
  }
}

/* Node pulse: applied via CSS to SVG circles with class .gn-pulse */
.gn-pulse { animation: gnPulse 3.5s ease-in-out infinite; }
.gn-pulse-2 { animation: gnPulse 3.5s ease-in-out 0.7s infinite; }
.gn-pulse-3 { animation: gnPulse 3.5s ease-in-out 1.4s infinite; }
.gn-pulse-4 { animation: gnPulse 3.5s ease-in-out 2.1s infinite; }

@keyframes gnPulse {
  0%, 100% { opacity: 0.18; r: 16; }
  50%       { opacity: 0.38; r: 22; }
}

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.35);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.scroll-line-wrap {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.1);
  overflow: hidden;
  border-radius: 1px;
}
.scroll-line-inner {
  width: 100%;
  height: 40%;
  background: linear-gradient(to bottom, var(--blue-600), var(--sky-400));
  animation: scrollLine 1.8s ease-in-out infinite;
}
@keyframes scrollLine {
  0%   { transform: translateY(-100%); }
  100% { transform: translateY(300%); }
}

/* ════════════════════════════════════════════════════════════
   STATS
   ════════════════════════════════════════════════════════════ */
#stats {
  background: var(--white);
  border-bottom: 1px solid var(--gray-100);
  padding: 56px 0;
}

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

.stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 32px 24px;
  border-right: 1px solid var(--gray-100);
}
.stat-card:last-child { border-right: none; }

.stat-card .stat-number {
  font-family: var(--font-tight);
  font-size: clamp(36px, 5vw, 52px);
  font-weight: 900;
  color: var(--blue-600);
  line-height: 1;
  display: inline;
}
.stat-card .stat-plus {
  font-family: var(--font-tight);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 900;
  color: var(--sky-400);
  line-height: 1;
}
.stat-card p {
  font-size: 13.5px;
  color: var(--gray-500);
  margin-top: 8px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* ════════════════════════════════════════════════════════════
   SERVICES
   ════════════════════════════════════════════════════════════ */
#services {
  padding: 100px 0;
  background: var(--gray-50);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: var(--transition-slow);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-600), var(--sky-400));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(0,102,255,0.15);
}
.service-card:hover::before { transform: scaleX(1); }

.service-icon-wrap {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, rgba(0,102,255,0.1), rgba(56,189,248,0.08));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--blue-600);
}
.service-icon-wrap svg { width: 24px; height: 24px; }

.service-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy-800);
  margin-bottom: 12px;
  line-height: 1.3;
}
.service-card p {
  font-size: 14.5px;
  color: var(--gray-500);
  line-height: 1.7;
  margin-bottom: 24px;
}
.service-cta {
  font-size: 14px;
  font-weight: 600;
  color: var(--blue-600);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition);
}
.service-cta span { transition: transform var(--transition); }
.service-card:hover .service-cta span { transform: translateX(4px); }

/* ════════════════════════════════════════════════════════════
   ABOUT
   ════════════════════════════════════════════════════════════ */
#about {
  padding: 100px 0;
  background: var(--white);
}

.about-grid {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: 80px;
  align-items: center;
}

.about-frame {
  position: relative;
  background: linear-gradient(145deg, var(--navy-700), var(--navy-800));
  border-radius: var(--radius-xl);
  padding: 48px;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: var(--shadow-card-hover);
  overflow: visible;
}
.about-frame::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: calc(var(--radius-xl) + 1px);
  background: linear-gradient(145deg, var(--blue-600), var(--sky-400));
  z-index: -1;
  opacity: 0.3;
}

.about-avatar svg { width: 160px; height: 160px; }

.about-cert-bubble {
  position: absolute;
  bottom: -20px;
  right: -20px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 14px 18px;
  box-shadow: 0 8px 32px rgba(0,102,255,0.12);
  min-width: 220px;
}
.cert-check {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, rgba(0,102,255,0.12), rgba(56,189,248,0.1));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.cert-check svg { width: 18px; height: 18px; }
.about-cert-bubble strong {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--navy-800);
}
.about-cert-bubble span {
  font-size: 11.5px;
  color: var(--gray-500);
}

.about-content { }
.about-content .section-tag { display: block; }
.about-content h2 {
  font-family: var(--font-tight);
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 800;
  line-height: 1.15;
  color: var(--navy-800);
  margin-bottom: 20px;
}
.about-lead {
  font-size: 17px;
  color: var(--navy-700);
  font-weight: 500;
  margin-bottom: 14px;
  line-height: 1.7;
}
.about-content > p {
  font-size: 15px;
  color: var(--gray-500);
  margin-bottom: 32px;
  line-height: 1.75;
}

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 36px;
}
.about-highlights li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.highlight-icon {
  font-size: 20px;
  width: 40px;
  height: 40px;
  background: var(--gray-50);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.about-highlights strong {
  display: block;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--navy-800);
}
.about-highlights span {
  font-size: 13.5px;
  color: var(--gray-500);
}

/* ════════════════════════════════════════════════════════════
   EXPERTISE
   ════════════════════════════════════════════════════════════ */
#expertise {
  padding: 100px 0;
  background: var(--navy-800);
  position: relative;
  overflow: hidden;
}
#expertise::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,102,255,0.15) 0%, transparent 60%);
  pointer-events: none;
}

#expertise .section-header h2 { color: var(--white); }
#expertise .section-sub { color: rgba(255,255,255,0.55); }

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

.expertise-block {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
}
.expertise-block:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(0,102,255,0.3);
}

.expertise-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--sky-400);
  margin-bottom: 24px;
}
.expertise-title svg { width: 18px; height: 18px; color: var(--sky-400); }

.tech-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.chip {
  padding: 6px 14px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 100px;
  font-size: 13px;
  color: rgba(255,255,255,0.75);
  transition: var(--transition);
}
.chip:hover {
  background: rgba(0,102,255,0.2);
  border-color: rgba(0,102,255,0.4);
  color: var(--white);
}
.chip-accent {
  background: rgba(0,102,255,0.15);
  border-color: rgba(0,102,255,0.35);
  color: var(--sky-400);
}

.cert-list { display: flex; flex-direction: column; gap: 14px; }
.cert-row {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13.5px;
  color: rgba(255,255,255,0.7);
}
.cert-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 54px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
  flex-shrink: 0;
}
.cert-badge.blue  { background: var(--blue-600); color: var(--white); }
.cert-badge.navy  { background: rgba(10,37,64,0.8); color: var(--sky-400); border: 1px solid rgba(56,189,248,0.3); }
.cert-badge.sky   { background: rgba(56,189,248,0.15); color: var(--sky-400); border: 1px solid rgba(56,189,248,0.3); }
.cert-badge.dark  { background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.8); border: 1px solid rgba(255,255,255,0.12); }

/* ════════════════════════════════════════════════════════════
   PROCESS
   ════════════════════════════════════════════════════════════ */
#process {
  padding: 100px 0;
  background: var(--white);
}

.process-track {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  gap: 0;
  align-items: start;
  margin-top: 0;
}

.process-step {
  background: var(--gray-50);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition-slow);
}
.process-step:hover {
  background: var(--white);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}

.step-num {
  font-family: var(--font-tight);
  font-size: 36px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--blue-600), var(--sky-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 16px;
}

.process-step h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--navy-800);
  margin-bottom: 10px;
}
.process-step p {
  font-size: 13.5px;
  color: var(--gray-500);
  line-height: 1.7;
}

.process-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 8px;
  padding-top: 44px;
  opacity: 0.5;
}
.process-arrow svg { width: 32px; }

/* ════════════════════════════════════════════════════════════
   CTA BANNER
   ════════════════════════════════════════════════════════════ */
#cta-banner {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--blue-600) 0%, var(--navy-700) 60%, var(--navy-800) 100%);
  position: relative;
  overflow: hidden;
}
#cta-banner::before {
  content: '';
  position: absolute;
  top: -60%;
  right: -10%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56,189,248,0.2) 0%, transparent 60%);
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.cta-text h2 {
  font-family: var(--font-tight);
  font-size: clamp(24px, 3.5vw, 38px);
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 12px;
}
.cta-text p {
  font-size: 16px;
  color: rgba(255,255,255,0.7);
}

.cta-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 14px;
}
.cta-trust {
  list-style: none;
  display: flex;
  gap: 20px;
  font-size: 13px;
  color: rgba(255,255,255,0.65);
}

/* ════════════════════════════════════════════════════════════
   CONTACT
   ════════════════════════════════════════════════════════════ */
#contact {
  padding: 100px 0;
  background: var(--gray-50);
}

.contact-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 64px;
  align-items: start;
}

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

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.ci-icon {
  width: 44px;
  height: 44px;
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--blue-600);
  box-shadow: var(--shadow-card);
}
.ci-icon svg { width: 20px; height: 20px; }

.contact-info-item strong {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 4px;
}
.contact-info-item a,
.contact-info-item span {
  font-size: 14.5px;
  color: var(--navy-800);
  transition: color var(--transition);
}
.contact-info-item a:hover { color: var(--blue-600); }

.availability-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  background: rgba(0,200,120,0.08);
  border: 1px solid rgba(0,200,120,0.2);
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  color: #059669;
}
.avail-dot {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  animation: availPulse 2s ease-in-out infinite;
}
@keyframes availPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34,197,94,0.4); }
  50%       { box-shadow: 0 0 0 5px rgba(34,197,94,0); }
}

/* Form */
.contact-form {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-xl);
  padding: 44px;
  box-shadow: var(--shadow-card);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-bottom: 20px;
}
.form-field:last-of-type { margin-bottom: 28px; }

.form-field label {
  font-size: 13px;
  font-weight: 600;
  color: var(--navy-800);
  letter-spacing: 0.01em;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--gray-100);
  border-radius: var(--radius-md);
  font-family: var(--font-main);
  font-size: 14.5px;
  color: var(--navy-800);
  background: var(--gray-50);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  outline: none;
  -webkit-appearance: none;
}
.form-field input::placeholder,
.form-field textarea::placeholder { color: var(--gray-500); opacity: 0.6; }

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--blue-600);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(0,102,255,0.1);
}
.form-field select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2360789a' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}
.form-field textarea { resize: vertical; min-height: 110px; }

.form-success {
  margin-top: 16px;
  padding: 14px 18px;
  background: rgba(34,197,94,0.08);
  border: 1px solid rgba(34,197,94,0.25);
  border-radius: var(--radius-md);
  color: #059669;
  font-size: 14px;
  font-weight: 500;
}

/* ════════════════════════════════════════════════════════════
   FOOTER
   ════════════════════════════════════════════════════════════ */
#footer {
  background: var(--navy-900);
  padding: 80px 0 0;
  border-top: 1px solid rgba(56,189,248,0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 56px;
}

.footer-brand img { margin-bottom: 18px; }
.footer-brand p {
  font-size: 14px;
  color: rgba(255,255,255,0.45);
  line-height: 1.7;
  margin-bottom: 24px;
}
.footer-social {
  display: flex;
  gap: 10px;
}
.social-btn {
  width: 38px;
  height: 38px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
}
.social-btn svg { width: 16px; height: 16px; }
.social-btn:hover {
  background: rgba(0,102,255,0.2);
  border-color: rgba(0,102,255,0.4);
  color: var(--sky-400);
}

.footer-col h5 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 20px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--sky-400); }

.footer-contact-col a {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  margin-bottom: 8px;
  transition: color var(--transition);
}
.footer-contact-col a:hover { color: var(--sky-400); }

.footer-badges {
  display: flex;
  gap: 8px;
  margin-top: 18px;
}
.mini-badge {
  padding: 4px 10px;
  background: rgba(0,102,255,0.15);
  border: 1px solid rgba(0,102,255,0.3);
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--sky-400);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.footer-bottom p {
  font-size: 13px;
  color: rgba(255,255,255,0.28);
}

/* Active nav link */
.nav-links a.active {
  color: var(--sky-400);
}

/* ════════════════════════════════════════════════════════════
   WIFI CLICK EFFECT
   ════════════════════════════════════════════════════════════ */
#wifi-fx-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 99999;
}

.wifi-fx {
  position: absolute;
  transform: translate(-50%, -50%);
  width: 100px;
  height: 100px;
  animation: wifiFxGrow 0.85s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes wifiFxGrow {
  0%   { transform: translate(-50%, -50%) scale(0.25); opacity: 1; }
  75%  { opacity: 0.75; }
  100% { transform: translate(-50%, -50%) scale(1.4);  opacity: 0; }
}

.wifi-arc-1 { animation: wifiArc 0.85s ease-out 0ms   forwards; }
.wifi-arc-2 { animation: wifiArc 0.85s ease-out 80ms  forwards; }
.wifi-arc-3 { animation: wifiArc 0.85s ease-out 160ms forwards; }
.wifi-dot   { animation: wifiDot 0.6s ease-out forwards; }

@keyframes wifiArc {
  0%   { opacity: 0; }
  20%  { opacity: 1; }
  100% { opacity: 0; }
}
@keyframes wifiDot {
  0%   { opacity: 1; r: 3; }
  100% { opacity: 0; r: 5; }
}

/* ════════════════════════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .hero-visual { display: none; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-frame { max-width: 320px; margin: 0 auto; }
  .expertise-grid { grid-template-columns: 1fr; gap: 20px; }
  .process-track {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .process-arrow {
    transform: rotate(90deg);
    padding: 0;
    height: 32px;
  }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px 32px; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: rgba(10,37,64,0.97);
    backdrop-filter: blur(16px);
    padding: 24px;
    gap: 4px;
    border-bottom: 1px solid rgba(56,189,248,0.12);
    animation: navSlide 0.2s ease;
  }
  .nav-links.mobile-open a {
    display: block;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 15px;
  }
  .nav-toggle { display: flex; }

  @keyframes navSlide {
    from { opacity: 0; transform: translateY(-12px); }
    to   { opacity: 1; transform: translateY(0); }
  }

  #hero {
    padding: 100px 24px 80px;
    text-align: center;
  }
  .hero-actions { justify-content: center; }
  .hero-content { max-width: 100%; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-card:nth-child(2) { border-right: none; }
  .stat-card { border-bottom: 1px solid var(--gray-100); }
  .stat-card:nth-child(3),
  .stat-card:nth-child(4) { border-bottom: none; }

  .services-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-form { padding: 28px 24px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; gap: 6px; }
  .cta-inner { flex-direction: column; text-align: center; }
  .cta-actions { align-items: center; }
  .cta-trust { flex-direction: column; align-items: center; gap: 6px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: clamp(30px, 8vw, 44px); }
  .btn { padding: 12px 22px; font-size: 14px; }
  .contact-form { padding: 20px 18px; }
}