/* ==========================================================================
   POAI.in — India's Power of AI
   Design System & Dual Theme Stylesheet (Dark + Light)
   ========================================================================== */

* {
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --------------------------------------------------------------------------
   DARK THEME (Default)
   -------------------------------------------------------------------------- */
:root,
[data-theme="dark"] {
  --bg: #05070a;
  --bg-secondary: #0a0d14;
  --panel: #0d121c;
  --panel-soft: #121824;
  --text: #ffffff;
  --text-pure: #ffffff;
  --heading: #ffffff;
  --muted: #94a3b8;
  --muted-light: #cbd5e1;

  --accent: #00d9ff;
  --accent-soft: rgba(0, 217, 255, 0.12);
  --accent-glow: rgba(0, 217, 255, 0.35);
  --accent-blue: #3b82f6;
  --accent-orange: #ff9933;
  --accent-green: #10b981;

  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --shadow: rgba(0, 217, 255, 0.15);
  --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);

  --header-bg: rgba(5, 7, 10, 0.75);
  --header-bg-scrolled: rgba(5, 7, 10, 0.92);
  --header-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);

  --grid-dot: rgba(255, 255, 255, 0.06);
  --grid-line: rgba(255, 255, 255, 0.07);
  --grid-line-soft: rgba(255, 255, 255, 0.035);
  --grid-block: rgba(255, 255, 255, 0.024);
  --hero-glow-1: rgba(0, 217, 255, 0.25);
  --hero-glow-2: rgba(255, 153, 51, 0.15);

  --engine-bg: rgba(13, 18, 28, 0.95);
  --engine-inner-bg: rgba(0, 0, 0, 0.3);
  --engine-box-bg: rgba(255, 255, 255, 0.02);

  --gradient-title: linear-gradient(135deg, #ffffff 20%, #00d9ff 70%, #ff9933 100%);
  --gradient-growth: linear-gradient(135deg, rgba(13, 18, 28, 0.9), rgba(5, 7, 10, 0.95));

  --btn-sec-bg: rgba(255, 255, 255, 0.04);
  --btn-sec-hover: rgba(255, 255, 255, 0.09);
  --btn-sec-text: #ffffff;
  --btn-sec-border: rgba(255, 255, 255, 0.16);

  --badge-bg: rgba(0, 217, 255, 0.08);
  --badge-border: rgba(0, 217, 255, 0.25);
  --badge-text: #00d9ff;

  --triad-bg: rgba(255, 255, 255, 0.025);
  --cta-box-bg: radial-gradient(circle at center, rgba(18, 24, 38, 0.95), #0d121c);
  --footer-bg: #0a0d14;

  --max-width: 1240px;
  --font-sans: "Plus Jakarta Sans", "Inter", sans-serif;
  --font-mono: "Space Grotesk", monospace;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
}

/* --------------------------------------------------------------------------
   LIGHT THEME — High contrast, zero blur, full readability
   -------------------------------------------------------------------------- */
[data-theme="light"] {
  --bg: #f8fafc;
  --bg-secondary: #edf2f7;
  --panel: #ffffff;
  --panel-soft: #f8fafc;
  --text: #0f172a;
  --text-pure: #020617;
  --heading: #0f172a;
  --muted: #475569;
  --muted-light: #334155;

  --accent: #0284c7;
  --accent-soft: rgba(2, 132, 199, 0.1);
  --accent-glow: rgba(2, 132, 199, 0.25);
  --accent-blue: #2563eb;
  --accent-orange: #ea580c;
  --accent-green: #059669;

  --line: rgba(15, 23, 42, 0.1);
  --line-strong: rgba(15, 23, 42, 0.2);
  --shadow: rgba(2, 132, 199, 0.1);
  --card-shadow: 0 4px 20px rgba(15, 23, 42, 0.07);

  --header-bg: rgba(248, 250, 252, 0.9);
  --header-bg-scrolled: rgba(255, 255, 255, 0.97);
  --header-shadow: 0 4px 20px rgba(15, 23, 42, 0.1);

  --grid-dot: rgba(15, 23, 42, 0.09);
  --grid-line: rgba(15, 23, 42, 0.09);
  --grid-line-soft: rgba(15, 23, 42, 0.05);
  --grid-block: rgba(15, 23, 42, 0.03);
  --hero-glow-1: rgba(2, 132, 199, 0.1);
  --hero-glow-2: rgba(234, 88, 12, 0.07);

  --engine-bg: #ffffff;
  --engine-inner-bg: #f1f5f9;
  --engine-box-bg: #f8fafc;

  --gradient-title: linear-gradient(135deg, #0f172a 15%, #0284c7 65%, #ea580c 100%);
  --gradient-growth: linear-gradient(135deg, #ffffff, #f1f5f9);

  --btn-sec-bg: #ffffff;
  --btn-sec-hover: #f1f5f9;
  --btn-sec-text: #0f172a;
  --btn-sec-border: rgba(15, 23, 42, 0.18);

  --badge-bg: rgba(2, 132, 199, 0.08);
  --badge-border: rgba(2, 132, 199, 0.3);
  --badge-text: #0369a1;

  --triad-bg: #ffffff;
  --cta-box-bg: linear-gradient(135deg, #ffffff, #edf2f7);
  --footer-bg: #edf2f7;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: var(--font-sans);
  line-height: 1.65;
  overflow-x: hidden;
  transition: background-color 250ms ease, color 250ms ease;
}

body.menu-open {
  overflow: hidden;
}

/* Background Subtle Grid Effect — wide block grid that keeps the dark hero vibe */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    /* 1. alternating checkerboard cell shading (the "block" feel) */
    linear-gradient(to right, transparent 0 160px, var(--grid-block) 160px 320px),
    linear-gradient(to bottom, transparent 0 160px, var(--grid-block) 160px 320px),
    /* 2. fine minor grid lines */
    linear-gradient(to right, var(--grid-line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line-soft) 1px, transparent 1px),
    /* 3. major grid lines (every 3rd cell — keeps the wide-grid look) */
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px),
    /* 4. intersection dots */
    radial-gradient(circle, var(--grid-dot) 1.2px, transparent 1.5px);
  background-size:
    320px 320px,   /* checkerboard cells */
    320px 320px,   /* checkerboard cells */
    160px 160px,   /* minor grid */
    160px 160px,   /* minor grid */
    480px 480px,   /* major grid */
    480px 480px,   /* major grid */
    160px 160px;   /* dots */
  background-position:
    0 0,
    0 160px,
    0 0,
    0 0,
    0 0,
    0 0,
    80px 80px;
  mask-image: radial-gradient(ellipse 90% 65% at 50% 0%, #000 60%, transparent 100%);
  pointer-events: none;
  z-index: 0;
}

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

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

.site-shell {
  position: relative;
  min-height: 100vh;
  z-index: 1;
  overflow-x: clip;
}

.container {
  width: min(var(--max-width), calc(100vw - 48px));
  margin: 0 auto;
}

/* --------------------------------------------------------------------------
   Top Announcement Bar
   -------------------------------------------------------------------------- */
.top-announcement {
  background: linear-gradient(90deg, rgba(255, 153, 51, 0.14), rgba(0, 217, 255, 0.14), rgba(16, 185, 129, 0.14));
  border-bottom: 1px solid var(--line);
  font-size: 0.82rem;
  padding: 8px 0;
  color: var(--muted-light);
}

.announcement-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.announcement-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.announcement-right {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
}

.top-link {
  color: var(--text);
  font-weight: 600;
  transition: color 200ms ease;
}

.top-link:hover {
  color: var(--accent);
}

.top-link.text-green {
  color: var(--accent-green);
}

.top-link.text-green:hover {
  color: var(--text);
}

.top-link.text-blue {
  color: #1877f2;
}

.top-link.text-blue:hover {
  color: var(--text);
}

.top-sep {
  color: var(--line-strong);
}

.badge-flag {
  font-size: 1rem;
}

.announcement-link {
  color: var(--accent);
  font-weight: 700;
  margin-left: 6px;
  transition: color 200ms ease;
}

.announcement-link:hover {
  text-decoration: underline;
  color: var(--text);
}

/* --------------------------------------------------------------------------
   Navigation & Header
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--header-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
  transition: all 300ms ease;
}

.site-header.scrolled {
  background: var(--header-bg-scrolled);
  box-shadow: var(--header-shadow);
}

.navbar {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: flex;
  flex-direction: column;
}

.brand-logo-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
}

.brand-symbol {
  font-size: 1.3rem;
  color: var(--accent);
  animation: floatIcon 3s ease-in-out infinite;
}

.brand-name {
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--heading);
}

.brand-dot {
  color: var(--accent);
}

.brand-sub {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--accent-orange);
  text-transform: uppercase;
  margin-top: -2px;
}

.nav-center {
  display: flex;
  align-items: center;
}

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 0;
  margin: 0;
}

.nav-links a {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--muted);
  transition: color 200ms ease;
  position: relative;
  padding: 6px 0;
}

.nav-links a:hover {
  color: var(--text);
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 200ms ease;
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Theme Toggle Button */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--btn-sec-bg);
  color: var(--text);
  border: 1px solid var(--line-strong);
  padding: 7px 12px;
  border-radius: 50px;
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 700;
  transition: all 250ms ease;
}

.theme-toggle:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

.theme-icon {
  font-size: 0.95rem;
  line-height: 1;
}

/* Toggle icon display per theme */
:root .icon-sun,
[data-theme="dark"] .icon-sun {
  display: inline-block;
}
:root .icon-moon,
[data-theme="dark"] .icon-moon {
  display: none;
}

[data-theme="light"] .icon-sun {
  display: none;
}
[data-theme="light"] .icon-moon {
  display: inline-block;
}

.btn-icon-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted-light);
  padding: 7px 12px;
  border-radius: 50px;
  background: var(--btn-sec-bg);
  border: 1px solid var(--line);
  transition: all 200ms ease;
}

.btn-icon-link:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--text);
  transform: translateY(-1px);
}

.nav-social-svg {
  fill: var(--accent-green);
}

.nav-cta {
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.15), rgba(59, 130, 246, 0.15));
  border: 1px solid var(--accent);
  color: var(--text);
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: all 250ms ease;
  display: inline-block;
}

.nav-cta:hover {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 0 24px var(--accent-glow);
  transform: translateY(-2px);
}

[data-theme="dark"] .nav-cta:hover {
  color: #000000;
}

.mobile-cta-wrap {
  display: none;
  flex-direction: column;
  gap: 10px;
}

.theme-toggle-mobile {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
}

.btn-whatsapp {
  background: #25d366;
  color: #030712 !important;
  border: 1px solid #25d366;
  font-weight: 700;
}

.btn-whatsapp:hover {
  background: #1eb857;
  color: #000 !important;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 8px 10px;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  transition: all 250ms ease;
}

/* --------------------------------------------------------------------------
   Buttons & Badges
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 13px 28px;
  border-radius: 50px;
  transition: all 250ms cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
}

.btn-lg {
  padding: 15px 32px;
  font-size: 1rem;
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.84rem;
}

.btn-primary {
  background: linear-gradient(135deg, #00d9ff, #0099ff);
  color: #030712;
  border: 1px solid #00d9ff;
  box-shadow: 0 4px 20px rgba(0, 217, 255, 0.3);
}

[data-theme="light"] .btn-primary {
  background: linear-gradient(135deg, #0284c7, #0369a1);
  color: #ffffff;
  border-color: #0284c7;
  box-shadow: 0 4px 20px rgba(2, 132, 199, 0.25);
}

.btn-primary:hover {
  background: #ffffff;
  color: #030712;
  border-color: #ffffff;
  box-shadow: 0 8px 30px rgba(0, 217, 255, 0.45);
  transform: translateY(-2px);
}

[data-theme="light"] .btn-primary:hover {
  background: #0f172a;
  color: #ffffff;
  border-color: #0f172a;
  box-shadow: 0 8px 30px rgba(15, 23, 42, 0.3);
}

.btn-secondary {
  background: var(--btn-sec-bg);
  color: var(--btn-sec-text);
  border: 1px solid var(--btn-sec-border);
}

.btn-secondary:hover {
  background: var(--btn-sec-hover);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn-arrow {
  transition: transform 200ms ease;
}

.btn:hover .btn-arrow {
  transform: translateX(4px);
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--badge-text);
  margin-bottom: 24px;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
  animation: pulseDot 2s infinite;
}

.section-kicker {
  display: inline-block;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.gradient-text {
  background: var(--gradient-title);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* --------------------------------------------------------------------------
   Sections & Layout
   -------------------------------------------------------------------------- */
.section {
  position: relative;
  padding: 100px 0;
}

.section-intro {
  max-width: 800px;
  margin-bottom: 50px;
}

.section-intro.centered {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.section-intro h2 {
  font-size: clamp(2.2rem, 3.8vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.15;
  margin: 8px 0 16px;
}

.section-intro p {
  color: var(--muted);
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   HERO SECTION
   -------------------------------------------------------------------------- */
.hero {
  padding-top: 60px;
  padding-bottom: 100px;
  min-height: 85vh;
  overflow: hidden;
}

.hero-bg-glow {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  opacity: 0.45;
}

.glow-1 {
  top: -100px;
  left: -100px;
  background: rgba(0, 217, 255, 0.25);
}

.glow-2 {
  top: 10%;
  right: -100px;
  background: rgba(255, 153, 51, 0.15);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.95fr;
  align-items: center;
  gap: 50px;
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: clamp(3rem, 5.2vw, 4.8rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin: 0 0 24px;
}

.hero-lede {
  font-size: clamp(1.15rem, 1.8vw, 1.35rem);
  color: var(--muted-light);
  line-height: 1.65;
  max-width: 620px;
  margin-bottom: 34px;
}

.hero-lede strong {
  color: var(--text-pure);
}

.hero-cta-wrap {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}

.hero-triad {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 16px 20px;
  background: var(--triad-bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  max-width: 640px;
}

.triad-item {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
}

.triad-icon {
  font-size: 1.4rem;
}

.triad-text {
  display: flex;
  flex-direction: column;
}

.triad-text strong {
  font-size: 0.92rem;
  color: var(--text);
}

.triad-text span {
  font-size: 0.72rem;
  color: var(--muted);
}

.triad-separator {
  width: 1px;
  height: 36px;
  background: var(--line-strong);
}

/* Hero Interactive Engine Card */
.engine-card {
  background: var(--engine-bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: border-color 300ms ease;
}

.engine-card:hover {
  border-color: var(--accent);
}

.engine-header {
  padding: 16px 20px;
  background: var(--engine-inner-bg);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.engine-dots {
  display: flex;
  gap: 6px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot-red { background: #ef4444; }
.dot-amber { background: #f59e0b; }
.dot-green { background: #10b981; }

.engine-status {
  font-size: 0.75rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-pulse {
  width: 8px;
  height: 8px;
  background: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 10px #10b981;
  animation: pulseDot 1.5s infinite;
}

.engine-badge {
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 4px;
  border: 1px solid var(--accent-glow);
}

.engine-body {
  padding: 24px 22px;
}

.engine-metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.metric-box {
  background: var(--engine-box-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 14px 10px;
  text-align: center;
  display: flex;
  flex-direction: column;
}

.metric-lbl {
  font-size: 0.68rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.metric-val {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.text-cyan { color: var(--accent); }
.text-green { color: var(--accent-green); }
.text-orange { color: var(--accent-orange); }

.metric-sub {
  font-size: 0.65rem;
  color: var(--muted);
  margin-top: 4px;
}

.engine-pipeline {
  background: var(--engine-inner-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 20px;
}

.pipeline-title {
  font-size: 0.74rem;
  color: var(--muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.pipeline-track {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
}

.p-step {
  flex: 1;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 8px 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.p-step.active {
  border-color: rgba(0, 217, 255, 0.35);
  background: rgba(0, 217, 255, 0.05);
}

.p-icon {
  font-size: 1rem;
}

.p-info {
  display: flex;
  flex-direction: column;
}

.p-info strong {
  font-size: 0.72rem;
  color: #fff;
  line-height: 1.2;
}

.p-info span {
  font-size: 0.62rem;
  color: var(--muted);
}

.p-arrow {
  color: var(--accent);
  font-size: 0.75rem;
}

.simulator-box {
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.06), rgba(59, 130, 246, 0.03));
  border: 1px solid rgba(0, 217, 255, 0.2);
  border-radius: var(--radius-md);
  padding: 16px;
}

.sim-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}

.sim-target {
  color: var(--accent);
  font-weight: 800;
}

.sim-slider {
  width: 100%;
  accent-color: var(--accent);
  cursor: pointer;
  margin-bottom: 14px;
}

.sim-results {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.76rem;
}

.res-tag {
  color: var(--muted);
  margin-right: 6px;
}

.res-highlight {
  color: var(--accent);
  font-weight: 700;
}

.engine-footer {
  padding: 14px 20px;
  background: var(--engine-inner-bg);
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--muted);
}

.engine-footer strong {
  color: var(--text);
}

.engine-action-btn {
  color: var(--accent);
  font-weight: 700;
  transition: color 200ms ease;
}

.engine-action-btn:hover {
  color: var(--text);
}

/* --------------------------------------------------------------------------
   MISSION / THE OLD WAY VS THE POAI WAY
   -------------------------------------------------------------------------- */
.mission-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.mission-wrapper {
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
}

.mission-heading {
  font-size: clamp(2.2rem, 3.8vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.18;
  margin: 10px 0 44px;
  color: var(--heading);
}

.mission-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  text-align: left;
}

.mission-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: 34px 28px;
  position: relative;
  transition: all 300ms ease;
}

.mission-card.poai-way {
  border-color: rgba(0, 217, 255, 0.4);
  background: linear-gradient(180deg, rgba(0, 217, 255, 0.05), rgba(13, 18, 28, 0.9));
  box-shadow: 0 16px 40px rgba(0, 217, 255, 0.08);
}

.card-status-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 50px;
  margin-bottom: 18px;
}

.tag-muted {
  background: var(--btn-sec-bg);
  border: 1px solid var(--line-strong);
  color: var(--muted);
}

.tag-cyan {
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid var(--accent-glow);
}

.mission-card h3 {
  font-size: 1.45rem;
  font-weight: 700;
  margin: 0 0 12px;
  color: var(--heading);
}

.mission-card p {
  font-size: 0.95rem;
  color: var(--muted);
  margin-bottom: 20px;
  line-height: 1.6;
}

.miss-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--muted-light);
}

.miss-list li strong {
  color: var(--text-pure);
}

.mission-vs {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--panel);
  border: 1px solid var(--line-strong);
  font-weight: 800;
  font-size: 0.85rem;
  color: var(--accent);
  box-shadow: var(--card-shadow);
}

/* --------------------------------------------------------------------------
   WHAT WE DO (3 PILLARS)
   -------------------------------------------------------------------------- */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.pillar-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: 40px 30px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 300ms cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.pillar-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent);
  box-shadow: 0 20px 50px rgba(0, 217, 255, 0.1);
}

.pillar-card.highlight-card {
  border-color: rgba(0, 217, 255, 0.35);
  background: linear-gradient(180deg, rgba(0, 217, 255, 0.06), var(--panel));
}

.pillar-icon-box {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 24px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line-strong);
}

.icon-sparkle { border-color: rgba(0, 217, 255, 0.3); background: rgba(0, 217, 255, 0.08); }
.icon-laptop { border-color: rgba(59, 130, 246, 0.3); background: rgba(59, 130, 246, 0.08); }
.icon-coin { border-color: rgba(16, 185, 129, 0.3); background: rgba(16, 185, 129, 0.08); }

.pillar-badge {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.badge-popular {
  color: #60a5fa;
}

.pillar-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 14px;
  color: var(--heading);
}

.pillar-desc {
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 28px;
  flex-grow: 1;
}

.pillar-desc strong {
  color: var(--text-pure);
}

.pillar-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
  border-top: 1px solid var(--line);
  padding-top: 20px;
}

.feat-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--muted-light);
}

.feat-item .check {
  color: var(--accent);
  font-weight: 800;
}

.pillar-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-weight: 700;
  font-size: 0.9rem;
  transition: gap 200ms ease, color 200ms ease;
}

.pillar-link:hover {
  gap: 12px;
  color: var(--text);
}

/* --------------------------------------------------------------------------
   GROWTH ENGINE SECTION
   -------------------------------------------------------------------------- */
.growth-engine-section {
  background: var(--bg);
}

.growth-banner {
  background: var(--gradient-growth);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-xl);
  padding: 60px 48px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--card-shadow);
}

.growth-banner::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  pointer-events: none;
}

.growth-content {
  max-width: 920px;
  position: relative;
  z-index: 2;
}

.growth-title {
  font-size: clamp(2.4rem, 4vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 12px 0 24px;
  color: var(--heading);
}

.growth-p {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--muted-light);
  line-height: 1.7;
  margin-bottom: 40px;
}

.growth-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  border-top: 1px solid var(--line-strong);
  padding-top: 32px;
}

.g-stat {
  display: flex;
  flex-direction: column;
}

.g-num {
  font-size: clamp(2.2rem, 3.2vw, 2.8rem);
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 8px;
}

.g-label {
  font-size: 0.88rem;
  color: var(--muted);
}

/* --------------------------------------------------------------------------
   SOLUTIONS & USE CASES
   -------------------------------------------------------------------------- */
.solutions-grid-section {
  background: var(--bg-secondary);
}

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

.sol-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  transition: all 300ms ease;
}

.sol-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.sol-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.sol-icon {
  font-size: 1.8rem;
}

.sol-tag {
  background: var(--accent-soft);
  border: 1px solid var(--accent-glow);
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 700;
}

.sol-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0 0 10px;
  color: var(--heading);
}

.sol-card p {
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.sol-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.sol-tags span {
  font-size: 0.72rem;
  font-weight: 600;
  background: var(--engine-inner-bg);
  border: 1px solid var(--line);
  padding: 4px 10px;
  border-radius: 6px;
  color: var(--muted-light);
}

/* --------------------------------------------------------------------------
   WHY POAI (BENEFITS)
   -------------------------------------------------------------------------- */
.why-section {
  background: var(--bg);
}

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

.benefit-box {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 30px 22px;
  box-shadow: var(--card-shadow);
  transition: all 250ms ease;
}

.benefit-box:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.b-icon {
  font-size: 2rem;
  margin-bottom: 18px;
}

.benefit-box h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0 0 10px;
  color: var(--heading);
}

.benefit-box p {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   WHO WE ARE
   -------------------------------------------------------------------------- */
.about-section {
  background: var(--bg-secondary);
}

.about-card-wrap {
  background: var(--panel);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-xl);
  padding: 60px 48px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 50px;
}

.about-content h2 {
  font-size: clamp(2.2rem, 3.4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 10px 0 20px;
}

.about-lead {
  font-size: 1.18rem;
  color: var(--muted-light);
  line-height: 1.6;
  margin-bottom: 16px;
}

.about-body {
  font-size: 0.96rem;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 28px;
}

.about-tagline-box {
  background: rgba(0, 217, 255, 0.08);
  border-left: 4px solid var(--accent);
  padding: 14px 20px;
  border-radius: 0 8px 8px 0;
}

.tag-quote {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  font-style: italic;
}

.about-graphic {
  display: flex;
  align-items: center;
  justify-content: center;
}

.graphic-sphere {
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 217, 255, 0.15), transparent 70%);
  border: 1px solid rgba(0, 217, 255, 0.3);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 50px rgba(0, 217, 255, 0.15);
}

.inner-core {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.inner-core .flag-icon {
  font-size: 2rem;
  margin-bottom: 4px;
}

.inner-core strong {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
}

.inner-core small {
  font-size: 0.72rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
}

.orbiting-circle {
  position: absolute;
  border-radius: 50%;
  border: 1px dashed var(--line-strong);
}

.c1 {
  inset: -20px;
  animation: spinSlow 20s linear infinite;
}

.c2 {
  inset: -40px;
  animation: spinSlow 30s linear reverse infinite;
}

/* --------------------------------------------------------------------------
   FINAL CTA & CONTACT CHANNELS
   -------------------------------------------------------------------------- */
.final-cta {
  background: var(--bg);
  padding: 110px 0;
}

.cta-box {
  background: var(--cta-box-bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-xl);
  padding: 80px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--card-shadow);
}

.cta-glow {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse, var(--hero-glow-1), transparent 70%);
  filter: blur(50px);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 2;
  max-width: 960px;
  margin: 0 auto;
}

.cta-heading {
  font-size: clamp(2.6rem, 4.4vw, 3.8rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.15;
  margin: 0 0 20px;
  color: var(--heading);
}

.cta-desc {
  font-size: clamp(1.1rem, 1.8vw, 1.3rem);
  color: var(--muted-light);
  line-height: 1.6;
  margin: 0 auto 36px;
  max-width: 720px;
}

/* Contact Channels Grid */
.contact-channels-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 40px;
  text-align: left;
}

.channel-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--card-shadow);
  transition: all 250ms cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.channel-card:hover {
  transform: translateY(-6px);
  background: var(--panel-soft);
}

.card-whatsapp {
  border-color: rgba(37, 211, 102, 0.3);
}
.card-whatsapp:hover {
  border-color: #25d366;
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.15);
}

.card-phone {
  border-color: rgba(0, 217, 255, 0.3);
}
.card-phone:hover {
  border-color: var(--accent);
  box-shadow: 0 12px 30px rgba(0, 217, 255, 0.15);
}

.card-facebook {
  border-color: rgba(24, 119, 242, 0.3);
}
.card-facebook:hover {
  border-color: #1877f2;
  box-shadow: 0 12px 30px rgba(24, 119, 242, 0.15);
}

.card-email {
  border-color: rgba(255, 153, 51, 0.3);
}
.card-email:hover {
  border-color: var(--accent-orange);
  box-shadow: 0 12px 30px rgba(255, 153, 51, 0.15);
}

.channel-icon-wrap {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.icon-wa {
  background: rgba(37, 211, 102, 0.15);
  color: #25d366;
}

.icon-call {
  background: rgba(0, 217, 255, 0.15);
  font-size: 1.5rem;
}

.icon-fb {
  background: rgba(24, 119, 242, 0.15);
  color: #1877f2;
}

.icon-mail {
  background: rgba(255, 153, 51, 0.15);
  font-size: 1.5rem;
}

.channel-emoji {
  line-height: 1;
}

.channel-tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.channel-info h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  margin: 0 0 4px;
}

.channel-detail {
  font-size: 0.85rem;
  color: var(--muted-light);
  margin: 0 0 16px;
  word-break: break-all;
}

.channel-action {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent);
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: transform 200ms ease;
}

.channel-card:hover .channel-action {
  transform: translateX(4px);
  color: var(--text);
}

.cta-footer-note {
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   Floating WhatsApp & Call Quick Connect Bar
   -------------------------------------------------------------------------- */
.floating-contact-bar {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-end;
}

.float-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.85rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.35);
  transition: all 250ms ease;
  backdrop-filter: blur(10px);
}

.float-wa {
  background: #25d366;
  color: #030712;
  border: 1px solid #25d366;
}

.float-wa:hover {
  background: #1eb857;
  color: #000;
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 14px 30px rgba(37, 211, 102, 0.4);
}

.float-call {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--accent);
}

.float-call:hover {
  background: var(--accent);
  color: #ffffff;
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 14px 30px var(--shadow);
}

[data-theme="dark"] .float-call:hover {
  color: #000000;
}

/* --------------------------------------------------------------------------
   SITE FOOTER
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--footer-bg);
  border-top: 1px solid var(--line);
  padding: 80px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-brand .brand-logo-wrap {
  margin-bottom: 12px;
}

.footer-tagline {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--heading);
  margin: 0 0 8px;
}

.footer-sub {
  font-size: 0.88rem;
  color: var(--muted);
  max-width: 320px;
  line-height: 1.5;
  margin-bottom: 20px;
}

.footer-social-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.social-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 50px;
  background: var(--btn-sec-bg);
  border: 1px solid var(--line);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  transition: all 200ms ease;
}

.social-btn:hover {
  border-color: var(--accent);
  color: var(--text);
  background: var(--accent-soft);
  transform: translateY(-2px);
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--heading);
  margin: 0 0 18px;
  letter-spacing: 0.02em;
}

.footer-nav {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-nav a {
  font-size: 0.88rem;
  color: var(--muted);
  transition: color 200ms ease;
}

.footer-nav a:hover {
  color: var(--accent);
}

.contact-highlight {
  color: var(--text) !important;
  font-weight: 600;
}

.contact-highlight:hover {
  color: var(--accent) !important;
}

.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 30px;
}

.footer-bottom-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--muted);
  flex-wrap: wrap;
  gap: 14px;
}

.bottom-badges span {
  color: var(--accent);
  font-weight: 700;
}

/* --------------------------------------------------------------------------
   HERO: AI SYSTEM CARD (CONCEPT VISUAL)
   -------------------------------------------------------------------------- */
.ai-stream {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--engine-inner-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 12px 14px;
}

.ai-stream-in {
  border-left: 3px solid var(--accent-orange);
}

.ai-stream-out {
  border-left: 3px solid var(--accent-green);
}

.ai-stream-icon {
  font-size: 1.3rem;
}

.ai-stream-body {
  display: flex;
  flex-direction: column;
}

.ai-stream-body strong {
  font-size: 0.85rem;
  color: var(--text);
  line-height: 1.3;
}

.ai-stream-body span {
  font-size: 0.72rem;
  color: var(--muted);
}

.ai-core {
  display: flex;
  align-items: center;
  gap: 16px;
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.08), rgba(59, 130, 246, 0.04));
  border: 1px solid rgba(0, 217, 255, 0.25);
  border-radius: var(--radius-md);
  padding: 16px;
  margin: 14px 0;
}

.ai-core-ring {
  width: 58px;
  height: 58px;
  min-width: 58px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-soft), transparent 75%);
  border: 1px solid var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  position: relative;
}

.ai-core-ring::after {
  content: "";
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  border: 1px dashed rgba(0, 217, 255, 0.35);
  animation: spinSlow 16s linear infinite;
}

.ai-core-label {
  position: absolute;
  bottom: -18px;
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--accent);
  text-transform: uppercase;
}

.ai-core-caps {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.ai-core-caps span {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--muted-light);
  background: var(--engine-box-bg);
  border: 1px solid var(--line);
  padding: 4px 8px;
  border-radius: 6px;
}

/* Technology / Trust Strip */
.tech-strip {
  margin-top: 64px;
  position: relative;
  z-index: 2;
}

.tech-strip-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 18px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(13, 18, 28, 0.5);
  backdrop-filter: blur(12px);
}

.tech-strip-label {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-right: 8px;
}

.tech-chip {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted-light);
  background: var(--engine-box-bg);
  border: 1px solid var(--line);
  padding: 6px 12px;
  border-radius: 50px;
  transition: all 200ms ease;
}

.tech-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* --------------------------------------------------------------------------
   PROBLEM SECTION (WHERE IS YOUR BUSINESS LOSING TIME?)
   -------------------------------------------------------------------------- */
.problem-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--line);
}

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

.problem-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px 22px;
  transition: all 300ms cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: var(--card-shadow);
}

.problem-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: 0 16px 40px rgba(0, 217, 255, 0.1);
}

.problem-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.problem-icon {
  font-size: 1.5rem;
}

.problem-head h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--heading);
  margin: 0;
}

.problem-issue {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.6;
  margin: 0 0 10px;
}

.problem-issue strong {
  color: var(--muted-light);
  font-weight: 700;
}

.problem-solution {
  font-size: 0.85rem;
  color: var(--muted-light);
  line-height: 1.6;
  margin: 0;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.problem-solution strong {
  color: var(--accent);
  font-weight: 700;
}

.problem-cta {
  text-align: center;
  margin-top: 40px;
}

/* --------------------------------------------------------------------------
   AI BUSINESS ADVISOR
   -------------------------------------------------------------------------- */
.advisor-section {
  background: var(--bg);
}

.advisor-box {
  background: var(--panel);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--card-shadow);
  max-width: 880px;
  margin: 0 auto;
}

.advisor-form {
  margin-bottom: 8px;
}

.advisor-label {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--heading);
  margin-bottom: 12px;
}

.advisor-input-row {
  display: flex;
  gap: 14px;
  align-items: stretch;
}

.advisor-input-row textarea {
  flex: 1;
  min-height: 110px;
  padding: 14px 16px;
  font-size: 0.95rem;
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--engine-inner-bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  resize: vertical;
  transition: border-color 200ms ease, box-shadow 200ms ease;
  line-height: 1.6;
}

.advisor-input-row textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.advisor-input-row textarea[aria-invalid="true"] {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.advisor-input-row .btn {
  align-self: flex-end;
  white-space: nowrap;
}

.advisor-help {
  font-size: 0.78rem;
  color: var(--muted);
  margin: 10px 0 0;
  line-height: 1.5;
}

.advisor-loading {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 0;
  font-size: 0.95rem;
  color: var(--muted-light);
  font-weight: 600;
}

.advisor-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--line-strong);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spinSlow 0.8s linear infinite;
}

.advisor-output {
  margin-top: 8px;
}

.adv-result {
  background: var(--engine-inner-bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 24px;
  animation: fadeInUp 400ms ease both;
}

.adv-result-head {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.adv-opp {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.adv-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--heading);
  letter-spacing: -0.02em;
}

.adv-potential {
  margin-left: auto;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 6px 12px;
  border-radius: 50px;
}

.adv-potential strong {
  color: var(--accent-green);
}

.adv-flow {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.flow-node {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--muted-light);
  background: var(--engine-box-bg);
  border: 1px solid var(--line);
  padding: 7px 12px;
  border-radius: 8px;
}

.flow-node.flow-accent {
  color: var(--accent);
  border-color: rgba(0, 217, 255, 0.4);
  background: var(--accent-soft);
}

.flow-node.flow-human {
  color: var(--accent-green);
  border-color: rgba(16, 185, 129, 0.4);
  background: rgba(16, 185, 129, 0.1);
}

.flow-arrow {
  color: var(--accent);
  font-weight: 700;
}

.adv-benefits {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}

.adv-benefit {
  font-size: 0.85rem;
  color: var(--muted-light);
}

.adv-note {
  font-size: 0.78rem;
  color: var(--muted);
  font-style: italic;
  margin-bottom: 18px;
  border-top: 1px dashed var(--line-strong);
  padding-top: 12px;
}

/* --------------------------------------------------------------------------
   HOW POAI WORKS (PROCESS)
   -------------------------------------------------------------------------- */
.process-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--line);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}

.process-step {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px 20px;
  position: relative;
  transition: all 300ms cubic-bezier(0.16, 1, 0.3, 1);
}

.process-step:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: 0 16px 40px rgba(0, 217, 255, 0.1);
}

.process-num {
  position: absolute;
  top: 14px;
  right: 18px;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--line-strong);
  letter-spacing: -0.03em;
  line-height: 1;
}

.process-icon {
  font-size: 1.7rem;
  display: block;
  margin-bottom: 14px;
}

.process-step h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--heading);
  margin: 0 0 8px;
  letter-spacing: 0.01em;
}

.process-step h3::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--accent);
  margin-right: 8px;
  transform: rotate(45deg);
}

.process-step p {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.6;
  margin: 0;
}

/* --------------------------------------------------------------------------
   POAI DEMOS / CASE STUDIES
   -------------------------------------------------------------------------- */
.demos-section {
  background: var(--bg);
}

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

.demo-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: 30px 26px;
  position: relative;
  transition: all 300ms cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.demo-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: 0 20px 50px rgba(0, 217, 255, 0.1);
}

.demo-badge {
  position: absolute;
  top: 18px;
  right: 18px;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(0, 217, 255, 0.3);
  padding: 4px 10px;
  border-radius: 50px;
}

.demo-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding-right: 90px;
}

.demo-head .demo-icon {
  font-size: 1.9rem;
}

.demo-head h3 {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--heading);
  margin: 0;
  letter-spacing: -0.02em;
}

.demo-label {
  display: block;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
}

.demo-problem,
.demo-solution,
.demo-workflow,
.demo-outcome {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 18px;
}

.demo-problem p,
.demo-solution p,
.demo-outcome p {
  margin: 0;
}

.demo-problem p strong,
.demo-solution p strong {
  color: var(--muted-light);
}

.demo-flow {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.demo-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.demo-tag {
  font-size: 0.72rem;
  font-weight: 600;
  background: var(--engine-inner-bg);
  border: 1px solid var(--line);
  padding: 4px 10px;
  border-radius: 6px;
  color: var(--muted-light);
}

.demo-outcome p {
  color: var(--muted-light);
}

.demo-note {
  margin-top: 36px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  background: var(--engine-inner-bg);
}

/* --------------------------------------------------------------------------
   ARCHITECTURE / TECHNOLOGY
   -------------------------------------------------------------------------- */
.architecture-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--line);
}

.arch-diagram {
  max-width: 760px;
  margin: 0 auto 40px;
  display: flex;
  flex-direction: column;
  gap: 0;
  text-align: center;
}

.arch-layer {
  background: var(--panel);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 18px 24px;
  position: relative;
  transition: all 250ms ease;
}

.arch-layer:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.arch-layer.arch-core {
  border-color: rgba(0, 217, 255, 0.4);
  background: linear-gradient(180deg, var(--accent-soft), var(--panel));
  box-shadow: 0 8px 30px rgba(0, 217, 255, 0.1);
}

.arch-node {
  display: block;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--heading);
  letter-spacing: -0.01em;
}

.arch-node.arch-accent {
  color: var(--accent);
}

.arch-desc {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 2px;
}

.arch-connector {
  display: block;
  text-align: center;
  color: var(--accent);
  font-size: 1.3rem;
  line-height: 1.2;
  padding: 2px 0;
}

.arch-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.arch-feat {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px 22px;
  transition: all 250ms ease;
}

.arch-feat:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.arch-feat-icon {
  font-size: 1.6rem;
  display: block;
  margin-bottom: 12px;
}

.arch-feat h3 {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--heading);
  margin: 0 0 8px;
}

.arch-feat p {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.6;
  margin: 0;
}

/* --------------------------------------------------------------------------
   PRICING / PACKAGES
   -------------------------------------------------------------------------- */
.pricing-section {
  background: var(--bg);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1080px;
  margin: 0 auto;
}

.price-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 300ms cubic-bezier(0.16, 1, 0.3, 1);
}

.price-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: 0 20px 50px rgba(0, 217, 255, 0.1);
}

.price-card-featured {
  border-color: rgba(0, 217, 255, 0.45);
  background: linear-gradient(180deg, rgba(0, 217, 255, 0.06), var(--panel));
}

.price-badge {
  position: absolute;
  top: 18px;
  right: 18px;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(0, 217, 255, 0.35);
  padding: 4px 10px;
  border-radius: 50px;
}

.price-head {
  margin-bottom: 16px;
}

.price-name {
  display: block;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--heading);
  letter-spacing: -0.02em;
}

.price-desc {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 4px;
  line-height: 1.5;
}

.price-amount {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 22px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.price-features {
  list-style: none;
  padding: 0;
  margin: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--muted-light);
  margin-bottom: 28px;
}

.price-features li {
  position: relative;
  padding-left: 22px;
}

.price-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 800;
}

.btn-block {
  display: flex;
  width: 100%;
}

.pricing-note {
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 32px;
}

/* --------------------------------------------------------------------------
   UTILITY HELPERS
   -------------------------------------------------------------------------- */
.mb-4 {
  margin-bottom: 24px;
}

.text-muted {
  color: var(--muted);
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}

/* --------------------------------------------------------------------------
   CONTACT FORM
   -------------------------------------------------------------------------- */
.contact-form {
  background: var(--engine-inner-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 30px;
  text-align: left;
  margin-bottom: 44px;
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
}

.contact-form-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--heading);
  margin: 0 0 20px;
}

.contact-form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-field-wide {
  grid-column: 1 / -1;
}

.form-field label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--muted-light);
}

.form-field .req {
  color: var(--accent-orange);
}

.form-field input,
.form-field select,
.form-field textarea {
  padding: 12px 14px;
  font-size: 0.92rem;
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  transition: border-color 200ms ease, box-shadow 200ms ease;
  width: 100%;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.form-field input[aria-invalid="true"],
.form-field textarea[aria-invalid="true"] {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.form-field textarea {
  resize: vertical;
  min-height: 80px;
}

.form-field select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%;
  background-size: 5px 5px;
  background-repeat: no-repeat;
}

.form-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.form-note {
  font-size: 0.82rem;
  color: var(--muted);
  margin: 0;
  min-height: 1.2em;
}

.form-note-success {
  color: var(--accent-green) !important;
}

/* --------------------------------------------------------------------------
   ANIMATIONS & REVEAL EFFECTS
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms ease, transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.6; }
}

@keyframes floatIcon {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

@keyframes spinSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --------------------------------------------------------------------------
   RESPONSIVE DESIGN / MEDIA QUERIES
   -------------------------------------------------------------------------- */
@media (max-width: 1080px) {
  .hero-grid,
  .about-card-wrap {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .pillars-grid,
  .why-benefits-grid,
  .growth-stats-grid,
  .contact-channels-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .problem-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .demo-cards-grid,
  .arch-features {
    grid-template-columns: repeat(2, 1fr);
  }

  .arch-diagram {
    max-width: 620px;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 520px;
  }

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

  .mission-vs {
    margin: 0 auto;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .navbar {
    min-height: 68px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-center {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: rgba(5, 7, 10, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--line);
    padding: 24px;
    flex-direction: column;
    gap: 20px;
    transform: translateY(-150%);
    transition: transform 300ms ease;
    z-index: 999;
    max-height: calc(100vh - 68px);
    overflow-y: auto;
  }

  body.menu-open .nav-center {
    transform: translateY(0);
  }

  .nav-links {
    flex-direction: column;
    gap: 16px;
    width: 100%;
    text-align: center;
  }

  .mobile-cta-wrap {
    display: flex;
    width: 100%;
    text-align: center;
    flex-direction: column;
  }

  .mobile-cta-wrap .btn {
    width: 100%;
  }

  .nav-actions {
    display: none;
  }

  .hero-title {
    font-size: clamp(2.5rem, 10vw, 3.4rem);
  }

  .hero-triad {
    flex-direction: column;
    align-items: flex-start;
  }

  .triad-separator {
    width: 100%;
    height: 1px;
  }

  .pillars-grid,
  .solution-cards-grid,
  .why-benefits-grid,
  .growth-stats-grid,
  .contact-channels-grid,
  .footer-grid,
  .problem-grid,
  .process-grid,
  .demo-cards-grid,
  .arch-features,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .floating-contact-bar {
    bottom: 16px;
    right: 16px;
  }

  .float-btn {
    padding: 8px 14px;
    font-size: 0.78rem;
  }

  .growth-banner,
  .about-card-wrap,
  .cta-box,
  .advisor-box {
    padding: 40px 20px;
  }

  .advisor-input-row {
    flex-direction: column;
  }

  .contact-form-grid {
    grid-template-columns: 1fr;
  }

  .cta-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .adv-flow {
    gap: 6px;
    flex-direction: column;
    align-items: stretch;
  }

  .flow-node {
    font-size: 0.72rem;
    padding: 5px 8px;
  }

  /* Vertical connector lines between advisor flow nodes on mobile.
     Scoped to .adv-flow only — demo flows (.demo-flow) stay horizontal. */
  .adv-flow .flow-arrow {
    transform: rotate(90deg);
    align-self: center;
    line-height: 1;
  }

  /* Demo flows also stack vertically on mobile for readability */
  .demo-flow {
    flex-direction: column;
    align-items: stretch;
  }

  .demo-flow .flow-arrow {
    transform: rotate(90deg);
    align-self: center;
    line-height: 1;
  }

  .adv-result-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .adv-potential {
    margin-left: 0;
  }

  .adv-benefits {
    grid-template-columns: 1fr;
  }

  .arch-diagram {
    max-width: 100%;
  }

  .footer-bottom-flex {
    flex-direction: column;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}