/* ==========================================================================
   Capgent — Global Design System & Theme Engine
   Theme: Electric Mint (#00F5A0) & Cyber Cyan (#00D2FF)
   Modes:
     - Dark Mode: Dimmed Luxury Midnight Slate (#080C14)
     - Light Mode: Pure Clean Crisp White (#FFFFFF) with High-Contrast Charcoal (#0A0F1D)
   ========================================================================== */

@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Lora:ital,wght@0,400;0,500;0,600;1,400&family=Space+Grotesk:wght@500;700&display=swap");

:root, [data-theme="dark"] {
  --bg-canvas: #080C14;
  --bg-surface: rgba(13, 20, 33, 0.75);
  --bg-surface-solid: #0D1421;
  --bg-subtle: #0F172A;
  --bg-card: rgba(15, 23, 42, 0.65);

  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --text-subtle: #64748B;
  --text-inverse: #080C14;

  --accent-mint: #00F5A0;
  --accent-cyan: #00D2FF;
  --accent-gradient: linear-gradient(135deg, #00F5A0 0%, #00D2FF 100%);
  --title-gradient: linear-gradient(135deg, #FFFFFF 0%, #00F5A0 60%, #00D2FF 100%);

  --border-grid: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 245, 160, 0.25);
  --border-card-hover: rgba(0, 245, 160, 0.5);

  --shadow-card: 0 16px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 25px rgba(0, 245, 160, 0.3);
  --shadow-cyan-glow: 0 0 25px rgba(0, 210, 255, 0.3);

  --badge-bg: rgba(0, 245, 160, 0.1);
  --badge-text: #00F5A0;
  --badge-border: rgba(0, 245, 160, 0.3);

  --header-bg: rgba(8, 12, 20, 0.88);
  --hero-radial: radial-gradient(circle at 50% 0%, rgba(0, 245, 160, 0.1) 0%, rgba(0, 210, 255, 0.05) 40%, transparent 70%);
}

/* 100% PURE CLEAN CRISP WHITE LIGHT MODE */
[data-theme="light"] {
  --bg-canvas: #FFFFFF; /* Pure White Background */
  --bg-surface: #FFFFFF;
  --bg-surface-solid: #FFFFFF;
  --bg-subtle: #F8FAFC;
  --bg-card: #FFFFFF;

  --text-main: #0A0F1D; /* Deepest High-Contrast Jet Black */
  --text-muted: #334155; /* Crisp Charcoal */
  --text-subtle: #64748B;
  --text-inverse: #FFFFFF;

  --accent-mint: #059669; /* Rich Emerald Mint */
  --accent-cyan: #0284C7; /* High-Contrast Cobalt Cyan */
  --accent-gradient: linear-gradient(135deg, #059669 0%, #0284C7 100%);
  --title-gradient: linear-gradient(135deg, #0A0F1D 0%, #059669 70%, #0284C7 100%);

  --border-grid: #E2E8F0; /* Clean Crisp Border */
  --border-glow: rgba(5, 150, 105, 0.35);
  --border-card-hover: #059669;

  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-glow: 0 4px 18px rgba(5, 150, 105, 0.25);
  --shadow-cyan-glow: 0 4px 18px rgba(2, 132, 199, 0.25);

  --badge-bg: rgba(5, 150, 105, 0.08);
  --badge-text: #059669;
  --badge-border: rgba(5, 150, 105, 0.3);

  --header-bg: rgba(255, 255, 255, 0.95);
  --hero-radial: radial-gradient(circle at 50% 0%, rgba(5, 150, 105, 0.06) 0%, rgba(2, 132, 199, 0.04) 40%, transparent 70%);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-canvas);
  color: var(--text-main);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.25s ease, color 0.25s ease;
  overflow-x: hidden;
}

/* TYPOGRAPHY */
h1, h2, h3, h4 {
  font-family: "Lora", Georgia, serif;
  font-weight: 400;
  color: var(--text-main);
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.3rem, 4.8vw, 3.8rem); font-weight: 500; }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.6rem); }
h4 { font-size: 1.15rem; font-weight: 600; font-family: "Inter", sans-serif; }

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

p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.2s ease;
}

/* CONTAINER & SECTIONS */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
  border-bottom: 1px solid var(--border-grid);
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 64px auto;
}

.section-header .badge {
  margin-bottom: 16px;
}

.section-header h2 {
  margin-bottom: 16px;
}

/* HEADER & NAVBAR */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--header-bg);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-grid);
  transition: all 0.3s ease;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-link img {
  height: 38px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent-mint);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* THEME TOGGLE BUTTON */
.theme-toggle-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-grid);
  color: var(--text-main);
  padding: 8px 14px;
  border-radius: 9999px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.2s ease;
}

.theme-toggle-btn:hover {
  border-color: var(--accent-mint);
  color: var(--accent-mint);
  box-shadow: 0 0 12px var(--badge-bg);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-main);
  cursor: pointer;
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: "Inter", sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 12px 26px;
  border-radius: 8px;
  transition: all 0.25s ease;
  cursor: pointer;
  text-decoration: none;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent-mint);
  color: #080C14;
  font-weight: 700;
  box-shadow: var(--shadow-glow);
}

[data-theme="light"] .btn-primary {
  color: #FFFFFF;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(0, 245, 160, 0.5);
}

[data-theme="light"] .btn-primary:hover {
  box-shadow: 0 6px 20px rgba(5, 150, 105, 0.35);
}

.btn-outline {
  background-color: transparent;
  color: var(--text-main);
  border-color: var(--border-grid);
}

.btn-outline:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background-color: rgba(0, 210, 255, 0.06);
  transform: translateY(-2px);
}

[data-theme="light"] .btn-outline:hover {
  background-color: rgba(2, 132, 199, 0.06);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.05rem;
}

/* BADGES & PILLS */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background-color: var(--badge-bg);
  color: var(--badge-text);
  border: 1px solid var(--badge-border);
}

/* HERO SECTION */
.hero {
  padding: 110px 0 96px 0;
  border-bottom: 1px solid var(--border-grid);
  position: relative;
  background: var(--hero-radial);
}

.hero-inner {
  text-align: center;
  max-width: 960px;
  margin: 0 auto;
}

.hero-badge-wrap {
  margin-bottom: 24px;
}

.hero h1 {
  margin-bottom: 24px;
}

.hero-desc {
  font-size: 1.25rem;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 780px;
  margin: 0 auto 36px auto;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.market-pills {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding: 10px 24px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-grid);
  border-radius: 9999px;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(12px);
  flex-wrap: wrap;
  justify-content: center;
}

.market-pills span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* 4-STAGE INTERACTIVE PIPELINE BAR */
.pipeline-banner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 48px;
}

.pipeline-node {
  background: var(--bg-card);
  border: 1px solid var(--border-grid);
  border-radius: 12px;
  padding: 20px 18px;
  text-align: left;
  transition: all 0.3s ease;
  position: relative;
  backdrop-filter: blur(12px);
}

.pipeline-node:hover {
  border-color: var(--accent-mint);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.node-step {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-mint);
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

.node-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
  font-family: "Inter", sans-serif;
}

.node-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* PROBLEM GRID (4 FAILURES) */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.problem-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-grid);
  border-radius: 14px;
  padding: 32px 26px;
  transition: all 0.3s ease;
  position: relative;
  backdrop-filter: blur(12px);
}

.problem-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: #F87171;
}

.problem-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background-color: rgba(239, 68, 68, 0.12);
  color: #EF4444;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 20px;
  border: 1px solid rgba(239, 68, 68, 0.25);
}

.problem-card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
  font-family: "Inter", sans-serif;
  font-weight: 700;
}

.problem-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* 4-STAGE ARCHITECTURE SYSTEM CARDS */
.system-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 28px;
}

.system-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-grid);
  border-radius: 16px;
  padding: 36px 28px;
  transition: all 0.3s ease;
  position: relative;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(12px);
}

.system-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-mint);
  box-shadow: var(--shadow-glow);
}

.stage-num {
  font-family: "Inter", sans-serif;
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-mint);
  margin-bottom: 16px;
}

.system-card h3 {
  font-size: 1.35rem;
  margin-bottom: 14px;
  font-weight: 600;
}

.system-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  flex-grow: 1;
}

.system-deliverables {
  list-style: none;
  border-top: 1px solid var(--border-grid);
  padding-top: 16px;
}

.system-deliverables li {
  font-size: 0.85rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.system-deliverables li::before {
  content: "✓";
  color: var(--accent-mint);
  font-weight: 700;
}

/* BEFORE VS AFTER COMPARISON TABLE */
.comparison-wrap {
  background-color: var(--bg-card);
  border: 1px solid var(--border-grid);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(16px);
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.comp-col {
  padding: 48px;
}

.comp-col-bad {
  background-color: rgba(239, 68, 68, 0.02);
  border-right: 1px solid var(--border-grid);
}

.comp-col-good {
  background-color: rgba(0, 245, 160, 0.02);
}

[data-theme="light"] .comp-col-good {
  background-color: rgba(5, 150, 105, 0.02);
}

.comp-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.comp-header h3 {
  font-size: 1.4rem;
  font-weight: 600;
}

.comp-list {
  list-style: none;
}

.comp-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 20px;
  font-size: 1rem;
}

.comp-list-bad li span.icon {
  color: #EF4444;
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.comp-list-good li span.icon {
  color: var(--accent-mint);
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 2px;
}

/* INDUSTRY SOLUTIONS */
.solution-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.solution-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-grid);
  border-radius: 16px;
  padding: 36px 28px;
  transition: all 0.3s ease;
  backdrop-filter: blur(12px);
}

.solution-card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-4px);
  box-shadow: var(--shadow-cyan-glow);
}

.solution-card h3 {
  font-size: 1.35rem;
  margin-bottom: 14px;
}

.solution-card p {
  font-size: 0.95rem;
  margin-bottom: 20px;
}

/* PROCESS STEPS */
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.process-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-grid);
  border-radius: 16px;
  padding: 36px 28px;
  position: relative;
  backdrop-filter: blur(12px);
}

.process-number {
  font-size: 2.8rem;
  font-family: "Lora", Georgia, serif;
  font-weight: 400;
  color: var(--accent-mint);
  line-height: 1;
  margin-bottom: 16px;
  opacity: 0.9;
}

.process-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  font-family: "Inter", sans-serif;
  font-weight: 700;
}

.process-card p {
  font-size: 0.95rem;
  line-height: 1.6;
}

/* CTA BANNER */
.cta-banner {
  background: radial-gradient(circle at 50% 50%, rgba(0, 245, 160, 0.08) 0%, rgba(0, 210, 255, 0.05) 50%, var(--bg-card) 100%);
  border-radius: 20px;
  padding: 72px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-glow);
  box-shadow: var(--shadow-card);
}

[data-theme="light"] .cta-banner {
  background: radial-gradient(circle at 50% 50%, rgba(5, 150, 105, 0.06) 0%, rgba(2, 132, 199, 0.04) 50%, #FFFFFF 100%);
  border: 1px solid #CBD5E1;
}

.cta-banner h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 3.5vw, 2.8rem);
}

.cta-banner p {
  color: var(--text-muted);
  max-width: 660px;
  margin: 0 auto 36px auto;
  font-size: 1.15rem;
}

.cta-banner-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* FOOTER */
.footer {
  background-color: var(--bg-canvas);
  border-top: 1px solid var(--border-grid);
  padding: 64px 0 32px 0;
  font-size: 0.9rem;
}

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

.footer-brand p {
  font-size: 0.95rem;
  margin: 16px 0 20px 0;
  max-width: 320px;
}

.footer-col h4 {
  font-family: "Inter", sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-main);
  margin-bottom: 18px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

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

.footer-bottom {
  border-top: 1px solid var(--border-grid);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-subtle);
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 12px;
}

/* DIAGNOSTIC FORM STYLES */
.diag-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-grid);
  border-radius: 18px;
  padding: 48px;
  box-shadow: var(--shadow-card);
  max-width: 760px;
  margin: 0 auto;
  backdrop-filter: blur(16px);
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border-grid);
  border-radius: 8px;
  font-family: "Inter", sans-serif;
  font-size: 1rem;
  color: var(--text-main);
  background-color: var(--bg-surface-solid);
  transition: border-color 0.2s;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-mint);
  box-shadow: 0 0 0 3px var(--badge-bg);
}

.radio-group {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

.radio-card {
  border: 1px solid var(--border-grid);
  border-radius: 8px;
  padding: 14px 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  transition: all 0.2s;
  background-color: var(--bg-surface-solid);
}

.radio-card:hover {
  border-color: var(--accent-mint);
  background-color: var(--badge-bg);
}

.radio-card input {
  accent-color: var(--accent-mint);
}

/* RESPONSIVE DESIGN */
@media (max-width: 992px) {
  .pipeline-banner {
    grid-template-columns: 1fr 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .solution-cards, .process-grid {
    grid-template-columns: 1fr;
  }
  .comparison-grid {
    grid-template-columns: 1fr;
  }
  .comp-col-bad {
    border-right: none;
    border-bottom: 1px solid var(--border-grid);
  }
}

@media (max-width: 768px) {
  .pipeline-banner {
    grid-template-columns: 1fr;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    background-color: var(--bg-surface-solid);
    flex-direction: column;
    padding: 24px;
    border-bottom: 1px solid var(--border-grid);
    box-shadow: var(--shadow-card);
  }
  .nav-links.open {
    display: flex;
  }
  .mobile-toggle {
    display: block;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero {
    padding: 60px 0;
  }
  .section {
    padding: 60px 0;
  }
  .diag-card {
    padding: 28px 20px;
  }
}