/* ============================================================
   K-Eye Product Page — LIGHT MODE
   NGSpurs Brand Colors (extracted from logo & brochure):
   ── K-Eye logo green   : #8DC63F
   ── K-Eye logo blue    : #00AEEF
   ── NGSpurs hex icon   : #8DC63F (fill) / #00AEEF (inner)
   ── Brochure accent    : #C8E04A (lime highlight)
   ── Body text (brand)  : #1A2B3C (near-navy)
   Theme: Clean enterprise white — "Professional Daylight"
   Fonts: Syne (headings) + DM Sans (body)
   ============================================================ */

/* ── CSS Variables ── */
:root {
  /* Surfaces */
  --bg-base:        #F5F8FC;
  --bg-white:       #FFFFFF;
  --bg-surface:     #EEF3FA;
  --bg-card:        #FFFFFF;
  --bg-card-hover:  #F0F7FF;
  --bg-deep:        #0D1F35;        /* dark navy for hero/cta contrast panels */

  /* Borders */
  --border:         rgba(0, 174, 239, 0.15);
  --border-strong:  rgba(0, 174, 239, 0.35);
  --border-green:   rgba(141, 198, 63, 0.3);

  /* Text */
  --text-primary:   #0D1F35;
  --text-secondary: #3A5470;
  --text-muted:     #7A97B2;
  --text-white:     #FFFFFF;

  /* Brand palette — exact from logo/brochure */
  --brand-green:    #8DC63F;        /* K-Eye / NGSpurs lime green  */
  --brand-blue:     #00AEEF;        /* K-Eye / NGSpurs sky blue    */
  --brand-lime:     #C8E04A;        /* brochure border accent      */
  --brand-navy:     #0D1F35;        /* deep brand navy             */
  --brand-teal:     #0097C4;        /* pressed/hover blue          */
  --brand-green-dk: #6FA832;        /* pressed/hover green         */

  /* Status */
  --status-ok:      #27AE60;
  --status-warn:    #F39C12;
  --status-alert:   #E74C3C;
  --status-info:    #00AEEF;

  /* Shadows */
  --shadow-sm:      0 2px 8px  rgba(13, 31, 53, 0.08);
  --shadow-md:      0 6px 24px rgba(13, 31, 53, 0.10);
  --shadow-lg:      0 16px 48px rgba(13, 31, 53, 0.12);
  --shadow-blue:    0 6px 30px rgba(0, 174, 239, 0.20);
  --shadow-green:   0 6px 30px rgba(141, 198, 63, 0.20);

  /* Radii */
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  32px;

  /* Fonts */
  --font-head: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  /* Layout */
  --nav-h:      72px;
  --max-w:      1200px;
  --section-py: 100px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a  { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg-surface); }
::-webkit-scrollbar-thumb { background: var(--brand-blue); border-radius: 3px; }

/* ── Typography ── */
.section-eyebrow {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brand-blue);
  margin-bottom: 0.75rem;
}
.section-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--text-primary);
}
.section-title.centered { text-align: center; }
.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 1rem auto 0;
  text-align: center;
}
.accent-blue  { color: var(--brand-blue); }
.accent-green { color: var(--brand-green); }
.accent       { color: var(--brand-blue); }
.body-text    { color: var(--text-secondary); font-size: 1rem; margin-bottom: 1rem; }
.section-header { margin-bottom: 3.5rem; }

/* ── Layout ── */
.section-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s ease;
  border: none;
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-teal) 100%);
  color: #fff;
  font-weight: 600;
  box-shadow: var(--shadow-blue);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 36px rgba(0, 174, 239, 0.35);
  background: linear-gradient(135deg, #00c2ff 0%, var(--brand-blue) 100%);
}
.btn-secondary {
  background: linear-gradient(135deg, var(--brand-green) 0%, var(--brand-green-dk) 100%);
  color: #fff;
  font-weight: 600;
  box-shadow: var(--shadow-green);
}
.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 36px rgba(141, 198, 63, 0.35);
}
.btn-ghost {
  background: transparent;
  color: var(--brand-blue);
  border: 1.5px solid var(--brand-blue);
}
.btn-ghost:hover {
  background: rgba(0, 174, 239, 0.06);
  border-color: var(--brand-teal);
  transform: translateY(-2px);
}
.btn-ghost-green {
  background: transparent;
  color: var(--brand-green);
  border: 1.5px solid var(--brand-green);
}
.btn-ghost-green:hover {
  background: rgba(141, 198, 63, 0.06);
  transform: translateY(-2px);
}
.btn-lg { padding: 16px 36px; font-size: 1rem; }

/* ============================================================
   NAVIGATION
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  background: rgba(255, 255, 255, 0.80);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s;
}
.navbar.scrolled {
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 2px 20px rgba(13, 31, 53, 0.08);
}
.nav-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-logo { display: flex; align-items: center; }
.logo-img { height: 48px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  transition: color 0.2s, background 0.2s;
}
.nav-link:hover, .nav-link.active {
  color: var(--brand-blue);
  background: rgba(0, 174, 239, 0.06);
}
.nav-cta {
  font-size: 0.88rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-teal));
  padding: 8px 22px;
  border-radius: var(--radius-md);
  transition: all 0.25s;
  box-shadow: 0 2px 12px rgba(0,174,239,0.25);
}
.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 22px rgba(0,174,239,0.35);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ============================================================
   HERO — Dark navy panel for visual contrast
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: calc(var(--nav-h) + 60px) 24px 80px;
}

/* Decorative background for hero */
.hero::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 75% 50%, rgba(0,174,239,0.06) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 20% 70%, rgba(141,198,63,0.05) 0%, transparent 70%),
    linear-gradient(160deg, #F5F8FC 0%, #EDF4FD 50%, #F5F8FC 100%);
  z-index: -2;
  pointer-events: none;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 174, 239, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 174, 239, 0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 65% 50%, black 20%, transparent 70%);
}
.scanline {
  position: absolute;
  top: 0; left: 40%; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--brand-blue), transparent);
  animation: scanDown 5s linear infinite;
  opacity: 0.3;
}
@keyframes scanDown {
  0%   { top: 0; }
  100% { top: 100%; }
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}
.orb-1 { width: 500px; height: 500px; background: rgba(0,174,239,0.10); top: -100px; right: -80px; }
.orb-2 { width: 350px; height: 350px; background: rgba(141,198,63,0.08); bottom: 0; right: 10%; }
.orb-3 { width: 200px; height: 200px; background: rgba(0,174,239,0.07); top: 30%; right: 45%; }

.hero-content { position: relative; z-index: 1; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,174,239,0.08);
  border: 1px solid rgba(0,174,239,0.25);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--brand-blue);
  margin-bottom: 1.5rem;
  animation: fadeSlideUp 0.6s ease forwards;
}
.badge-dot {
  width: 7px; height: 7px;
  background: var(--brand-green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(1.4); }
}

.hero-title {
  font-family: var(--font-head);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  animation: fadeSlideUp 0.7s ease 0.1s both;
}
.title-k     { color: var(--brand-navy); }
.title-dash  { color: var(--text-muted); }
.title-eye   { color: var(--brand-blue); }
.title-sub {
  display: block;
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-weight: 400;
  color: var(--text-secondary);
  letter-spacing: -0.01em;
  margin-top: 0.5rem;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 500px;
  margin-bottom: 2rem;
  animation: fadeSlideUp 0.7s ease 0.2s both;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 3rem;
  animation: fadeSlideUp 0.7s ease 0.3s both;
}

.hero-stats {
  display: flex;
  align-items: center;
  animation: fadeSlideUp 0.7s ease 0.4s both;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 0;
  box-shadow: var(--shadow-sm);
  width: fit-content;
}
.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 28px;
}
.stat-num {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 800;
  color: var(--brand-blue);
  line-height: 1;
  display: inline;
}
.stat-unit { font-size: 1.3rem; font-weight: 800; color: var(--brand-blue); display: inline; }
.stat-label { font-size: 0.72rem; color: var(--text-muted); margin-top: 4px; text-align: center; }
.stat-divider { width: 1px; height: 40px; background: var(--border); flex-shrink: 0; }

/* Hero Visual */
.hero-visual {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeSlideUp 0.8s ease 0.2s both;
}
.eye-core {
  position: relative;
  width: 420px;
  height: 420px;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Rings — use brand blue with lower opacity for clean light feel */
.eye-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid;
  animation: rotateSlow linear infinite;
}
.ring-outer {
  width: 400px; height: 400px;
  border-color: rgba(0,174,239,0.14);
  animation-duration: 35s;
  background: radial-gradient(ellipse at center, rgba(0,174,239,0.02) 0%, transparent 70%);
}
.ring-mid {
  width: 300px; height: 300px;
  border-color: rgba(0,174,239,0.22);
  animation-duration: 22s;
  animation-direction: reverse;
  box-shadow: 0 0 40px rgba(0,174,239,0.08), inset 0 0 40px rgba(0,174,239,0.04);
}
.ring-inner {
  width: 215px; height: 215px;
  border-color: rgba(0,174,239,0.35);
  animation-duration: 14s;
  box-shadow: 0 0 25px rgba(0,174,239,0.12);
}
@keyframes rotateSlow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.eye-pupil {
  position: relative;
  width: 145px; height: 145px;
  background: radial-gradient(circle at 38% 38%, #0077B6, #023E8A 60%, #0D1F35 100%);
  border-radius: 50%;
  display: flex; justify-content: center; align-items: center;
  box-shadow:
    0 0 0 4px rgba(0,174,239,0.12),
    0 0 60px rgba(0,174,239,0.25),
    0 8px 32px rgba(13,31,53,0.20);
  overflow: hidden;
}
.pupil-core {
  width: 62px; height: 62px;
  background: radial-gradient(circle, #00AEEF 0%, #0077B6 50%, #023E8A 100%);
  border-radius: 50%;
  box-shadow: 0 0 18px rgba(0,174,239,0.9), 0 0 4px #fff;
  transition: transform 0.1s ease;
}
.pupil-scan {
  position: absolute;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, transparent, rgba(0,174,239,0.7), transparent);
  animation: eyeScan 3.5s ease-in-out infinite;
  top: 50%;
}
@keyframes eyeScan {
  0%   { transform: translateY(-65px); opacity: 0; }
  20%  { opacity: 1; }
  80%  { opacity: 1; }
  100% { transform: translateY(65px); opacity: 0; }
}

/* Orbiting icons — white cards with brand color icons */
.orbit-icons {
  position: absolute;
  width: 100%; height: 100%;
  top: 0; left: 0;
}
.orbit-item {
  position: absolute;
  width: 52px; height: 52px;
  top: 50%; left: 50%;
  transform-origin: 0 0;
  animation: orbitAround 22s linear infinite;
  animation-delay: calc(var(--i) * -3.66s);
}
@keyframes orbitAround {
  0%   { transform: rotate(0deg)   translateX(158px) rotate(0deg); }
  100% { transform: rotate(360deg) translateX(158px) rotate(-360deg); }
}
.orbit-icon {
  width: 52px; height: 52px;
  background: var(--bg-white);
  border: 1.5px solid rgba(0,174,239,0.2);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--brand-blue);
  font-size: 1rem;
  box-shadow: 0 4px 16px rgba(13,31,53,0.10);
  transition: all 0.3s;
}
.orbit-icon:hover {
  background: rgba(0,174,239,0.06);
  border-color: var(--brand-blue);
  box-shadow: 0 6px 22px rgba(0,174,239,0.22);
}

/* Hero Scroll Hint */
.hero-scroll {
  position: absolute;
  bottom: 32px; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center;
  gap: 8px;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  text-transform: uppercase;
  z-index: 1;
}
.scroll-line {
  width: 1px; height: 36px;
  background: linear-gradient(to bottom, var(--brand-blue), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; }
  50%       { opacity: 1; }
}

/* ============================================================
   OVERVIEW STRIP
   ============================================================ */
.overview-strip {
  background: var(--bg-white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 26px 24px;
  box-shadow: 0 2px 12px rgba(13,31,53,0.04);
}
.strip-container {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}
.strip-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 28px;
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 400;
}
.strip-item i { font-size: 1rem; color: var(--brand-green); }
.strip-divider { width: 1px; height: 28px; background: var(--border); }

/* ============================================================
   ABOUT SECTION
   ============================================================ */
.about-section { padding: var(--section-py) 0; background: var(--bg-base); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-checklist {
  margin: 1.5rem 0 2rem;
  display: flex; flex-direction: column; gap: 12px;
}
.about-checklist li {
  display: flex; align-items: center; gap: 12px;
  font-size: 0.95rem;
  color: var(--text-secondary);
}
.about-checklist li i { color: var(--brand-green); font-size: 1rem; flex-shrink: 0; }

/* Monitor Card */
.about-card-stack { position: relative; height: 360px; }
.about-card {
  position: absolute;
  border-radius: var(--radius-lg);
  background: var(--bg-white);
  border: 1px solid var(--border);
}
.card-back { inset: 0; transform: rotate(-4deg) translateY(10px); opacity: 0.35; }
.card-mid  { inset: 0; transform: rotate(-2deg) translateY(5px);  opacity: 0.65; }
.card-front {
  inset: 0; transform: rotate(0);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  display: flex; flex-direction: column;
}
.card-header {
  display: flex; align-items: center; gap: 6px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
}
.card-dot { width: 10px; height: 10px; border-radius: 50%; }
.card-dot.red    { background: #FF5F57; }
.card-dot.yellow { background: #FFBD2E; }
.card-dot.green  { background: var(--brand-green); }
.card-label {
  font-size: 0.75rem; color: var(--text-muted);
  margin-left: 8px; letter-spacing: 0.05em;
}
.card-body { padding: 24px; flex: 1; }
.monitor-row {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 8px;
}
.mt-sm { margin-top: 20px; }
.monitor-label { font-size: 0.82rem; color: var(--text-secondary); font-weight: 500; }
.monitor-badge {
  font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.1em; padding: 3px 10px; border-radius: 100px;
}
.badge-ok   { background: rgba(141,198,63,0.12); color: var(--brand-green-dk);  border: 1px solid rgba(141,198,63,0.35); }
.badge-warn { background: rgba(243,156,18,0.10); color: #C47D0A;              border: 1px solid rgba(243,156,18,0.30); }
.monitor-bar-wrap {
  height: 5px; background: var(--bg-surface); border-radius: 10px; overflow: hidden;
}
.monitor-bar {
  height: 100%; width: var(--w); background: var(--c);
  border-radius: 10px;
  animation: barGrow 1.5s ease forwards;
}
@keyframes barGrow { from { width: 0; } to { width: var(--w); } }

.pulse-line { margin-top: 24px; }
.pulse-line svg { width: 100%; height: 50px; }
.pulse {
  fill: none;
  stroke: var(--brand-blue);
  stroke-width: 2;
  stroke-dasharray: 800;
  stroke-dashoffset: 800;
  animation: drawLine 3s ease forwards 0.5s, pulseLine 4s ease-in-out 3.5s infinite;
}
@keyframes drawLine { to { stroke-dashoffset: 0; } }
@keyframes pulseLine { 0%, 100% { opacity: 1; } 50% { opacity: 0.45; } }

/* ============================================================
   FEATURES
   ============================================================ */
.features-section {
  padding: var(--section-py) 0;
  background: var(--bg-white);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(275px, 1fr));
  gap: 22px;
}
.feature-card {
  background: var(--bg-base);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
/* Left accent bar on hover */
.feature-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--brand-blue), var(--brand-green));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.3s ease;
  border-radius: 0 2px 2px 0;
}
.feature-card:hover {
  background: var(--bg-white);
  border-color: rgba(0,174,239,0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.feature-card:hover::before { transform: scaleY(1); }

.feature-icon-wrap {
  width: 54px; height: 54px;
  background: rgba(0,174,239,0.08);
  border: 1.5px solid rgba(0,174,239,0.18);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  color: var(--brand-blue);
  margin-bottom: 20px;
  transition: all 0.3s;
}
.feature-card:hover .feature-icon-wrap {
  background: var(--brand-blue);
  border-color: var(--brand-blue);
  color: #fff;
  box-shadow: 0 6px 20px rgba(0,174,239,0.3);
}
.feature-title {
  font-family: var(--font-head);
  font-size: 1.02rem; font-weight: 700;
  color: var(--text-primary); margin-bottom: 12px;
}
.feature-desc {
  font-size: 0.88rem; color: var(--text-secondary); line-height: 1.65;
}

/* Green-tinted icons for alternate cards */
.feature-card:nth-child(2) .feature-icon-wrap,
.feature-card:nth-child(5) .feature-icon-wrap {
  background: rgba(141,198,63,0.08);
  border-color: rgba(141,198,63,0.20);
  color: var(--brand-green-dk);
}
.feature-card:nth-child(2):hover .feature-icon-wrap,
.feature-card:nth-child(5):hover .feature-icon-wrap {
  background: var(--brand-green);
  border-color: var(--brand-green);
  color: #fff;
  box-shadow: 0 6px 20px rgba(141,198,63,0.3);
}

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.how-section { padding: var(--section-py) 0; background: var(--bg-surface); }
.how-timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
.timeline-connector {
  position: absolute;
  top: 46px; left: 12%; right: 12%;
  height: 2px;
  background: linear-gradient(90deg,
    var(--brand-blue) 0%,
    var(--brand-green) 50%,
    var(--brand-blue) 100%);
  opacity: 0.2;
  pointer-events: none;
}
.timeline-step {
  display: flex; flex-direction: column;
  align-items: center; text-align: center; gap: 14px;
  padding: 0 8px;
}
.step-number {
  font-family: var(--font-head); font-size: 0.72rem;
  font-weight: 800; letter-spacing: 0.12em;
  color: var(--brand-blue); opacity: 0.5; margin-bottom: -6px;
}
.step-icon {
  width: 68px; height: 68px;
  background: var(--bg-white);
  border: 2px solid var(--border-strong);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; color: var(--brand-blue);
  box-shadow: var(--shadow-sm);
  position: relative; z-index: 1;
  transition: all 0.3s;
}
.timeline-step:hover .step-icon {
  background: var(--brand-blue);
  color: #fff;
  border-color: var(--brand-blue);
  box-shadow: 0 6px 24px rgba(0,174,239,0.28);
  transform: scale(1.08);
}
.step-content h3 {
  font-family: var(--font-head); font-size: 0.92rem;
  font-weight: 700; color: var(--text-primary); margin-bottom: 6px;
}
.step-content p { font-size: 0.8rem; color: var(--text-secondary); line-height: 1.6; }

/* ============================================================
   USE CASES
   ============================================================ */
.usecases-section { padding: var(--section-py) 0; background: var(--bg-base); }
.usecases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}
.usecase-card {
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px;
  display: flex; flex-direction: column; gap: 12px;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
/* Top border accent */
.usecase-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--brand-blue), var(--brand-green));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}
.usecase-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(0,174,239,0.25);
}
.usecase-card:hover::after { transform: scaleX(1); }
.uc-icon { font-size: 1.6rem; color: var(--brand-blue); }
.usecase-card h3 {
  font-family: var(--font-head); font-size: 1rem;
  font-weight: 700; color: var(--text-primary);
}
.usecase-card p { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.65; }

/* ============================================================
   DEPLOYMENT
   ============================================================ */
.deployment-section { padding: var(--section-py) 0; background: var(--bg-white); }
.deploy-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center;
}
.deploy-options { display: flex; flex-direction: column; gap: 14px; margin-top: 2rem; }
.deploy-opt {
  display: flex; gap: 18px; align-items: flex-start;
  background: var(--bg-surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px;
  transition: all 0.3s;
}
.deploy-opt:hover {
  border-color: rgba(0,174,239,0.3);
  background: rgba(0,174,239,0.03);
  box-shadow: var(--shadow-sm);
}
.deploy-opt-icon {
  width: 44px; height: 44px;
  background: rgba(0,174,239,0.08);
  border: 1.5px solid rgba(0,174,239,0.18);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--brand-blue); font-size: 1.1rem; flex-shrink: 0;
  transition: all 0.3s;
}
.deploy-opt:hover .deploy-opt-icon {
  background: var(--brand-blue); color: #fff;
  border-color: var(--brand-blue);
}
.deploy-opt strong {
  font-family: var(--font-head); font-size: 0.95rem;
  font-weight: 700; color: var(--text-primary);
  display: block; margin-bottom: 4px;
}
.deploy-opt p { font-size: 0.83rem; color: var(--text-secondary); line-height: 1.55; }

/* Architecture Diagram */
.arch-diagram {
  display: flex; flex-direction: column; gap: 0;
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.arch-layer { padding: 22px; border-bottom: 1px solid var(--border); }
.arch-layer:last-child { border-bottom: none; }
.layer-edge     { background: rgba(141,198,63,0.04); }
.layer-platform { background: rgba(0,174,239,0.04); }
.layer-output   { background: rgba(0,174,239,0.02); }
.arch-label {
  font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-muted); margin-bottom: 12px;
}
.arch-nodes { display: flex; gap: 10px; flex-wrap: wrap; }
.arch-node {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 7px 14px;
  font-size: 0.78rem; color: var(--text-secondary);
  transition: all 0.2s;
}
.arch-node:hover { border-color: var(--brand-blue); color: var(--brand-blue); }
.arch-node i { color: var(--brand-blue); font-size: 0.85rem; }
.arch-arrow {
  display: flex; justify-content: center;
  padding: 5px; color: var(--brand-blue); opacity: 0.4; font-size: 0.9rem;
}

/* ============================================================
   METRICS — dark navy band for contrast
   ============================================================ */
.metrics-section {
  padding: 64px 0;
  background: var(--brand-navy);
  position: relative;
  overflow: hidden;
}
.metrics-section::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(0,174,239,0.12) 0%, transparent 60%);
  pointer-events: none;
}
.metrics-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: rgba(255,255,255,0.06);
  position: relative; z-index: 1;
}
.metric-card {
  background: var(--brand-navy);
  padding: 44px 24px;
  display: flex; flex-direction: column;
  align-items: center; text-align: center; gap: 8px;
  transition: background 0.3s;
}
.metric-card:hover { background: rgba(0,174,239,0.08); }
.metric-icon { font-size: 1.4rem; color: var(--brand-blue); opacity: 0.7; margin-bottom: 4px; }
.metric-num {
  font-family: var(--font-head); font-size: 3.2rem;
  font-weight: 800; color: var(--brand-blue);
  line-height: 1; display: inline-block;
}
.metric-unit {
  font-family: var(--font-head); font-size: 1.6rem;
  font-weight: 800; color: var(--brand-blue); display: inline-block;
}
.metric-label { font-size: 0.8rem; color: rgba(255,255,255,0.5); letter-spacing: 0.04em; }

/* ============================================================
   INTEGRATION
   ============================================================ */
.integration-section { padding: var(--section-py) 0; background: var(--bg-surface); }
.integration-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 14px;
}
.int-card {
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px 16px;
  display: flex; flex-direction: column;
  align-items: center; gap: 10px;
  font-size: 0.82rem; color: var(--text-secondary);
  text-align: center;
  transition: all 0.25s; cursor: default;
}
.int-card i { font-size: 1.7rem; color: var(--brand-blue); opacity: 0.75; }
.int-card:hover {
  border-color: var(--brand-blue);
  color: var(--text-primary);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0,174,239,0.12);
}
.int-card:hover i { opacity: 1; }

/* ============================================================
   CLIENTS TICKER
   ============================================================ */
.clients-section { padding: var(--section-py) 0; background: var(--bg-white); overflow: hidden; }
.clients-ticker {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, black 12%, black 88%, transparent);
}
.ticker-track {
  display: flex; gap: 0;
  width: max-content;
  animation: ticker 28s linear infinite;
}
@keyframes ticker {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.ticker-item {
  padding: 18px 52px;
  border-right: 1px solid var(--border);
  display: flex; align-items: center; white-space: nowrap;
}
.client-name {
  font-family: var(--font-head); font-size: 0.92rem;
  font-weight: 700; color: var(--text-muted); letter-spacing: 0.03em;
  transition: color 0.3s;
}
.ticker-item:hover .client-name { color: var(--brand-blue); }

/* ============================================================
   FAQ
   ============================================================ */
.faq-section { padding: var(--section-py) 0; background: var(--bg-base); }
.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(500px, 1fr));
  gap: 12px;
  max-width: 1100px; margin: 0 auto;
}
.faq-item {
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden; transition: border-color 0.3s, box-shadow 0.3s;
}
.faq-item[open] {
  border-color: rgba(0,174,239,0.4);
  box-shadow: 0 4px 20px rgba(0,174,239,0.08);
}
.faq-item summary {
  font-family: var(--font-head); font-size: 0.95rem; font-weight: 600;
  color: var(--text-primary); padding: 20px 24px; cursor: pointer;
  list-style: none;
  display: flex; align-items: center; justify-content: space-between;
  transition: color 0.2s; user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+'; font-size: 1.4rem; color: var(--brand-blue);
  font-weight: 300; transition: transform 0.3s;
  flex-shrink: 0; margin-left: 12px; line-height: 1;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item summary:hover { color: var(--brand-blue); }
.faq-answer {
  font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7;
  padding: 0 24px 20px; border-top: 1px solid var(--border);
  padding-top: 16px;
}

/* ============================================================
   CTA — dark navy with brand blue accent
   ============================================================ */
.cta-section {
  position: relative;
  padding: 120px 0;
  background: var(--brand-navy);
  overflow: hidden;
}
.cta-bg { position: absolute; inset: 0; pointer-events: none; }
.cta-orb {
  position: absolute; border-radius: 50%; filter: blur(100px);
}
.cta-orb-1 { width: 600px; height: 600px; background: rgba(0,174,239,0.14); top: -200px; left: -80px; }
.cta-orb-2 { width: 400px; height: 400px; background: rgba(141,198,63,0.10); bottom: -100px; right: -50px; }

.cta-inner {
  position: relative; z-index: 1;
  text-align: center; max-width: 700px; margin: 0 auto;
}
.cta-inner .section-eyebrow { color: var(--brand-green); }
.cta-inner .section-title { color: var(--text-white); }
.cta-inner .section-title .accent { color: var(--brand-blue); }
.cta-desc {
  font-size: 1.1rem; color: rgba(255,255,255,0.65);
  margin: 1rem 0 2.5rem; line-height: 1.7;
}
.cta-actions {
  display: flex; gap: 16px;
  justify-content: center; flex-wrap: wrap; margin-bottom: 1.5rem;
}
.cta-section .btn-ghost {
  color: rgba(255,255,255,0.85);
  border-color: rgba(255,255,255,0.25);
}
.cta-section .btn-ghost:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.5);
  color: #fff;
}
.cta-site a { font-size: 0.85rem; color: rgba(255,255,255,0.35); text-decoration: underline; text-underline-offset: 4px; transition: color 0.2s; }
.cta-site a:hover { color: var(--brand-blue); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--bg-white); border-top: 1px solid var(--border); padding-top: 60px; }
.footer-container {
  max-width: var(--max-w); margin: 0 auto;
  padding: 0 24px 40px;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px;
}
.footer-logo { height: 32px; width: auto; margin-bottom: 16px; }
.footer-brand p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.65; margin-bottom: 20px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 36px; height: 36px;
  background: var(--bg-surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); font-size: 0.9rem; transition: all 0.25s;
}
.footer-social a:hover {
  background: rgba(0,174,239,0.08);
  border-color: var(--brand-blue);
  color: var(--brand-blue);
}
.footer-links h4 {
  font-family: var(--font-head); font-size: 0.82rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-primary); margin-bottom: 16px;
}
.footer-links ul { display: flex; flex-direction: column; gap: 8px; }
.footer-links li a { font-size: 0.85rem; color: var(--text-muted); transition: color 0.2s; }
.footer-links li a:hover { color: var(--brand-blue); }
.footer-bottom {
  border-top: 1px solid var(--border);
  text-align: center; padding: 20px 24px;
  font-size: 0.78rem; color: var(--text-muted);
}

/* ============================================================
   WHATSAPP FLOAT
   ============================================================ */
.wa-float {
  position: fixed; bottom: 28px; right: 28px;
  width: 54px; height: 54px;
  background: #25D366; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; color: #fff;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  z-index: 999; transition: all 0.3s;
  animation: waFloat 3s ease-in-out infinite;
}
.wa-float:hover { transform: scale(1.1); box-shadow: 0 6px 30px rgba(37,211,102,0.55); }
@keyframes waFloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-6px); }
}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal-up {
  opacity: 0; transform: translateY(36px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  transition-delay: var(--delay, 0s);
}
.reveal-left {
  opacity: 0; transform: translateX(-36px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-right {
  opacity: 0; transform: translateX(36px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.revealed { opacity: 1; transform: translate(0, 0); }

@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: calc(var(--nav-h) + 40px);
  }
  .hero-stats  { margin: 0 auto; }
  .hero-actions { justify-content: center; }
  .hero-desc   { margin: 0 auto 2rem; }
  .hero-visual { order: -1; }
  .eye-core    { width: 300px; height: 300px; }
  .ring-outer  { width: 280px; height: 280px; }
  .ring-mid    { width: 212px; height: 212px; }
  .ring-inner  { width: 152px; height: 152px; }
  .eye-pupil   { width: 102px; height: 102px; }
  .pupil-core  { width: 44px; height: 44px; }
  @keyframes orbitAround {
    0%   { transform: rotate(0deg)   translateX(112px) rotate(0deg); }
    100% { transform: rotate(360deg) translateX(112px) rotate(-360deg); }
  }
  .about-grid  { grid-template-columns: 1fr; }
  .deploy-grid { grid-template-columns: 1fr; }
  .how-timeline { grid-template-columns: 1fr; }
  .timeline-connector { display: none; }
  .timeline-step { flex-direction: row; text-align: left; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-container { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --section-py: 70px; }
  .nav-links {
    display: none; flex-direction: column;
    position: absolute; top: var(--nav-h); left: 0; right: 0;
    background: rgba(255,255,255,0.98);
    border-bottom: 1px solid var(--border);
    padding: 20px 24px; gap: 4px;
    box-shadow: 0 8px 32px rgba(13,31,53,0.10);
  }
  .nav-links.open { display: flex; }
  .nav-toggle     { display: flex; }
  .strip-container { gap: 8px; }
  .strip-item { padding: 0 12px; font-size: 0.78rem; }
  .features-grid   { grid-template-columns: 1fr; }
  .usecases-grid   { grid-template-columns: 1fr; }
  .faq-grid        { grid-template-columns: 1fr; }
  .integration-grid{ grid-template-columns: repeat(2, 1fr); }
  .metrics-grid    { grid-template-columns: repeat(2, 1fr); }
  .footer-container{ grid-template-columns: 1fr; gap: 32px; }
  .hero-scroll     { display: none; }
  .how-timeline    { gap: 32px; }
}

@media (max-width: 480px) {
  .hero-stats    { flex-direction: column; gap: 0; }
  .stat-divider  { width: 80%; height: 1px; }
  .stat-item     { padding: 14px 0; }
  .metrics-grid  { grid-template-columns: 1fr 1fr; }
  .cta-actions   { flex-direction: column; align-items: center; }
}