/* ==========================================================================
   EV PAYANAM - OFFICIAL STYLESHEET
   Brand: EV Payanam (evpayanam.in)
   Meaning: EV (Electric Vehicle) + Payanam (Journey in Tamil)
   Tagline: Your Journey. Powered by Electric.
   ========================================================================== */

:root {
  /* Brand Color Palette */
  --primary: #00C26A;
  --primary-hover: #00A85B;
  --primary-dark: #008744;
  --primary-glow: rgba(0, 194, 106, 0.35);
  --primary-subtle: rgba(0, 194, 106, 0.08);
  --primary-light: #E6F9F0;
  
  --dark-green: #10241C;
  --dark-green-hover: #163025;
  --dark-green-subtle: rgba(16, 36, 28, 0.05);

  --charcoal: #08110D;
  --charcoal-light: #101E17;
  --dark-surface: #0B1712;
  --dark-card: rgba(16, 32, 24, 0.85);
  --dark-card-border: rgba(0, 194, 106, 0.2);

  --accent-cyan: #00E5FF;
  --accent-cyan-glow: rgba(0, 229, 255, 0.35);
  --accent-cyan-subtle: rgba(0, 229, 255, 0.1);

  --white: #FFFFFF;
  --off-white: #F9FBFA;
  --surface-light: #F0F4F2;
  --border-light: rgba(16, 36, 28, 0.08);
  --border-light-hover: rgba(0, 194, 106, 0.45);

  /* Typography Colors */
  --text-main: #10241C;
  --text-muted: #4A5B53;
  --text-light: #FFFFFF;
  --text-light-secondary: #9DB0A6;

  /* Fonts */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Shadows & Elevations */
  --shadow-sm: 0 2px 10px rgba(16, 36, 28, 0.04);
  --shadow-md: 0 10px 30px rgba(16, 36, 28, 0.07);
  --shadow-lg: 0 20px 50px rgba(16, 36, 28, 0.1);
  --shadow-glow: 0 0 35px rgba(0, 194, 106, 0.25);
  --shadow-glow-cyan: 0 0 35px rgba(0, 229, 255, 0.25);

  /* Radii */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --max-width: 1220px;
  --header-height: 80px;
  --header-height-scrolled: 68px;
}

/* ==========================================================================
   Base & Reset
   ========================================================================== */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--white);
  color: var(--text-main);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button, input, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
}

ul, ol {
  list-style: none;
}

::selection {
  background-color: var(--primary);
  color: var(--white);
}

/* Accessible Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background: var(--dark-green);
  color: var(--white);
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  z-index: 99999;
  font-weight: 600;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 20px;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}

/* ==========================================================================
   Layout Containers
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 108px 0;
  position: relative;
}

.section-dark {
  background-color: var(--charcoal);
  color: var(--text-light);
  overflow: hidden;
  position: relative;
}

.section-dark::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 194, 106, 0.4), var(--accent-cyan), transparent);
}

.section-light-tint {
  background-color: var(--surface-light);
  background-image: radial-gradient(circle at 10% 10%, rgba(0, 194, 106, 0.03) 0%, transparent 40%),
                    radial-gradient(circle at 90% 90%, rgba(0, 229, 255, 0.03) 0%, transparent 40%);
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 64px;
}

.section-header.text-left {
  text-align: left;
  margin: 0 0 40px;
}

/* ==========================================================================
   Typography & Badges
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--primary-subtle);
  color: var(--primary-dark);
  border: 1px solid rgba(0, 194, 106, 0.25);
  margin-bottom: 20px;
  box-shadow: 0 2px 8px rgba(0, 194, 106, 0.08);
}

.badge-dark {
  background: rgba(0, 194, 106, 0.12);
  color: var(--primary);
  border-color: rgba(0, 194, 106, 0.3);
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 10px var(--primary);
}

.h1-hero {
  font-size: clamp(2.6rem, 5.2vw + 1rem, 4.5rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.035em;
  color: var(--dark-green);
  margin-bottom: 24px;
}

.h2-section {
  font-size: clamp(2.1rem, 3.6vw + 0.5rem, 3rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--dark-green);
  margin-bottom: 16px;
}

.section-dark .h2-section {
  color: var(--text-light);
}

.h3-card {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin-bottom: 12px;
}

.lead-text {
  font-size: clamp(1.05rem, 1.25vw + 0.5rem, 1.25rem);
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 32px;
}

.section-dark .lead-text {
  color: var(--text-light-secondary);
}

.gradient-text {
  background: linear-gradient(135deg, #00C26A 0%, #00964D 45%, #00B4D8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.section-dark .gradient-text {
  background: linear-gradient(135deg, #00C26A 0%, #34D399 45%, #00E5FF 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ==========================================================================
   Buttons & CTAs
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 30px;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 650;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--white);
  box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(0, 194, 106, 0.45);
}

.btn-secondary {
  background-color: rgba(255, 255, 255, 0.85);
  color: var(--dark-green);
  border: 1.5px solid rgba(16, 36, 28, 0.2);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background-color: var(--dark-green);
  color: var(--white);
  border-color: var(--dark-green);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-ghost-dark {
  background-color: rgba(255, 255, 255, 0.06);
  color: var(--text-light);
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
}

.btn-ghost-dark:hover {
  background-color: rgba(0, 194, 106, 0.15);
  border-color: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 194, 106, 0.2);
}

.btn-sm {
  padding: 10px 22px;
  font-size: 0.875rem;
}

.btn-icon {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-fast);
}

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

/* ==========================================================================
   Sticky Navigation Bar
   ========================================================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  transition: all var(--transition-normal);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(16, 36, 28, 0.06);
}

.navbar.scrolled {
  height: var(--header-height-scrolled);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 4px 20px rgba(16, 36, 28, 0.06);
  border-bottom-color: rgba(0, 194, 106, 0.15);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-logo-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo-img {
  height: 40px;
  width: auto;
  max-height: 40px;
  aspect-ratio: 734.08 / 144;
  object-fit: contain;
  display: block;
  transition: transform var(--transition-fast);
}

.brand-logo-link:hover .brand-logo-img {
  transform: scale(1.02);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-muted);
  position: relative;
  padding: 8px 0;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2.5px;
  background-color: var(--primary);
  transition: width var(--transition-fast);
  border-radius: var(--radius-full);
}

.nav-link:hover,
.nav-link.active {
  color: var(--dark-green);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

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

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  cursor: pointer;
  z-index: 1010;
  background: transparent;
  border: none;
  padding: 0;
}

.menu-toggle span {
  display: block;
  height: 2.5px;
  width: 100%;
  background-color: var(--dark-green);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(8.5px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: translateX(-8px);
}

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-8.5px) rotate(-45deg);
}

/* ==========================================================================
   Hero Section & Interactive Telemetry
   ========================================================================== */

.hero-section {
  padding-top: calc(var(--header-height) + 48px);
  padding-bottom: 96px;
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at 82% 18%, rgba(0, 194, 106, 0.12) 0%, transparent 60%),
              radial-gradient(circle at 18% 75%, rgba(0, 229, 255, 0.07) 0%, transparent 50%),
              var(--white);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 48px;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-pill-group {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.hero-info-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
  font-size: 0.875rem;
  color: var(--text-muted);
}

.hero-info-bar a {
  color: var(--dark-green);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.hero-info-bar a:hover {
  color: var(--primary);
}

/* Hero Mode Switcher */
.hero-mode-switcher {
  display: inline-flex;
  align-items: center;
  background: var(--surface-light);
  border: 1px solid var(--border-light);
  padding: 4px;
  border-radius: var(--radius-full);
  margin-bottom: 24px;
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.05);
}

.mode-btn {
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.mode-btn.active {
  background: var(--dark-green);
  color: var(--white);
  box-shadow: 0 2px 8px rgba(16, 36, 28, 0.2);
}

.hero-telemetry-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 24px;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  backdrop-filter: blur(12px);
}

.telemetry-item {
  display: flex;
  flex-direction: column;
}

.telemetry-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.telemetry-value {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--dark-green);
  font-family: var(--font-mono);
}

.hero-visual-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 420px;
}

.hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.hero-illustration {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 640px;
  height: auto;
  aspect-ratio: 900 / 640;
  display: block;
  filter: drop-shadow(0 25px 40px rgba(16, 36, 28, 0.12));
}

/* ==========================================================================
   Brand Intro Bar & Pillars
   ========================================================================== */

.brand-intro-bar {
  background-color: var(--dark-green);
  color: var(--text-light);
  padding: 80px 0;
  position: relative;
}

.intro-content-wrap {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  align-items: center;
  gap: 48px;
  margin-bottom: 48px;
}

.intro-heading {
  font-size: 2.15rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--white);
}

.intro-desc {
  font-size: 1.15rem;
  color: var(--text-light-secondary);
  line-height: 1.75;
}

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

.intro-pillar-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: all var(--transition-normal);
}

.intro-pillar-card:hover {
  background: rgba(0, 194, 106, 0.1);
  border-color: var(--primary);
  transform: translateY(-4px);
}

.pillar-number {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.pillar-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

.pillar-desc {
  font-size: 0.88rem;
  color: var(--text-light-secondary);
  line-height: 1.6;
}

.journey-divider {
  position: relative;
  width: 100%;
  height: 3px;
  background: rgba(255, 255, 255, 0.12);
  margin-top: 48px;
  border-radius: 2px;
  overflow: hidden;
}

.journey-divider-pulse {
  position: absolute;
  top: 0;
  left: 0;
  width: 160px;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--primary), var(--accent-cyan), transparent);
  animation: movePulse 3.5s infinite linear;
}

@keyframes movePulse {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(800%); }
}

/* ==========================================================================
   About Section & Heritage
   ========================================================================== */

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
}

.about-text-column p {
  font-size: 1.08rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 22px;
}

.tamil-origin-box {
  background: var(--off-white);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-top: 24px;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.tamil-origin-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.tamil-word {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary-dark);
}

.tamil-origin-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
}

.about-card-direction {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.about-card-direction::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent-cyan));
}

.direction-header {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--dark-green);
  margin-bottom: 28px;
}

.direction-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.direction-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 16px;
  border-radius: var(--radius-md);
  background: var(--off-white);
  transition: all var(--transition-fast);
}

.direction-item:hover {
  background: var(--primary-light);
  transform: translateX(4px);
}

.direction-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--white);
  display: grid;
  place-items: center;
  color: var(--primary-dark);
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}

.direction-item-title {
  font-weight: 750;
  color: var(--dark-green);
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.direction-item-sub {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Solutions Section
   ========================================================================== */

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 30px;
}

.solution-card {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 36px 30px;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.solution-card:hover {
  transform: translateY(-8px);
  border-color: var(--primary);
  box-shadow: var(--shadow-lg), 0 0 25px rgba(0, 194, 106, 0.15);
}

.card-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.card-icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary-dark);
  display: grid;
  place-items: center;
  transition: all var(--transition-fast);
}

.solution-card:hover .card-icon-wrap {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 4px 16px var(--primary-glow);
}

.pill-tag {
  font-size: 0.75rem;
  font-weight: 750;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  background: var(--surface-light);
  color: var(--text-muted);
}

.pill-tag.exploring {
  background: rgba(0, 194, 106, 0.12);
  color: var(--primary-dark);
  border: 1px solid rgba(0, 194, 106, 0.25);
}

.solution-desc {
  font-size: 0.98rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 24px;
  flex-grow: 1;
}

.solution-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.spec-chip {
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--off-white);
  border: 1px solid var(--border-light);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  color: var(--text-muted);
}

.card-footer-action {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--primary-dark);
}

.card-footer-action svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.solution-card:hover .card-footer-action svg {
  transform: translateX(6px);
}

/* ==========================================================================
   Why EV Section & Interactive Comparison
   ========================================================================== */

.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
  margin-bottom: 60px;
}

.why-card {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all var(--transition-normal);
  text-align: left;
  box-shadow: var(--shadow-sm);
}

.why-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: var(--shadow-md), 0 0 20px rgba(0, 194, 106, 0.1);
}

.why-icon-bubble {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: var(--primary-light);
  display: grid;
  place-items: center;
  margin-bottom: 22px;
  color: var(--primary-dark);
  transition: all var(--transition-fast);
}

.why-card:hover .why-icon-bubble {
  background: var(--primary);
  color: var(--white);
}

.why-title {
  font-size: 1.25rem;
  font-weight: 750;
  color: var(--dark-green);
  margin-bottom: 12px;
}

.why-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* Comparison Matrix */
.comparison-container {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin-top: 40px;
}

.comparison-header {
  padding: 24px 32px;
  background: var(--dark-green);
  color: var(--white);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.comparison-header-col {
  font-weight: 700;
  font-size: 1.05rem;
}

.comparison-header-col.highlight {
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.comparison-rows {
  padding: 12px 32px;
}

.comparison-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border-light);
  align-items: center;
}

.comparison-row:last-child {
  border-bottom: none;
}

.comp-bad {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.comp-good {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--dark-green);
  font-weight: 650;
  font-size: 0.95rem;
}

.comp-icon-bad {
  color: #9CA3AF;
  flex-shrink: 0;
}

.comp-icon-good {
  color: var(--primary);
  flex-shrink: 0;
}

/* ==========================================================================
   Vision Section (Cinematic Dark)
   ========================================================================== */

.vision-section {
  background: radial-gradient(circle at 50% 12%, rgba(0, 194, 106, 0.18) 0%, transparent 65%),
              var(--charcoal);
  padding: 130px 0;
  position: relative;
}

.vision-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 2;
}

.vision-headline {
  font-size: clamp(2.35rem, 4.5vw + 1rem, 4rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--white);
  margin-bottom: 24px;
}

.vision-text-block {
  max-width: 820px;
  margin: 0 auto 56px;
}

.vision-p1 {
  font-size: 1.45rem;
  font-weight: 650;
  color: var(--text-light);
  line-height: 1.5;
  margin-bottom: 18px;
}

.vision-p2 {
  font-size: 1.1rem;
  color: var(--text-light-secondary);
  line-height: 1.75;
}

.vision-visual-container {
  width: 100%;
  max-width: 1020px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--dark-card-border);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.7), var(--shadow-glow);
  background: var(--dark-surface);
}

.vision-img {
  width: 100%;
  height: auto;
  aspect-ratio: 1000 / 520;
  display: block;
}

/* ==========================================================================
   Future Roadmap Section
   ========================================================================== */

.roadmap-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
  margin-top: 48px;
}

.roadmap-card {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 34px 26px;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.roadmap-card.now {
  border-color: var(--primary);
  box-shadow: var(--shadow-md), 0 0 20px rgba(0, 194, 106, 0.16);
}

.roadmap-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.roadmap-stage-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 18px;
  align-self: flex-start;
}

.stage-now {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 2px 8px var(--primary-glow);
}

.stage-next {
  background: var(--primary-light);
  color: var(--primary-dark);
}

.stage-future {
  background: var(--surface-light);
  color: var(--text-muted);
}

.stage-beyond {
  background: var(--dark-green-subtle);
  color: var(--dark-green);
}

.roadmap-title {
  font-size: 1.2rem;
  font-weight: 750;
  color: var(--dark-green);
  margin-bottom: 12px;
}

.roadmap-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
}

.roadmap-notice {
  text-align: center;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-top: 40px;
}

/* ==========================================================================
   Coming Soon Section
   ========================================================================== */

.coming-soon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 30px;
}

.coming-soon-card {
  background: var(--dark-surface);
  border: 1px solid var(--dark-card-border);
  border-radius: var(--radius-xl);
  padding: 44px 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.coming-soon-card:hover {
  transform: translateY(-6px);
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

.pulse-indicator {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--primary);
  margin: 0 auto 24px;
  box-shadow: 0 0 14px var(--primary);
  position: relative;
}

.pulse-indicator::after {
  content: '';
  position: absolute;
  top: -5px;
  left: -5px;
  right: -5px;
  bottom: -5px;
  border-radius: 50%;
  border: 1px solid var(--primary);
  animation: ripple 2s infinite ease-out;
}

@keyframes ripple {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(2.4); opacity: 0; }
}

.cs-card-title {
  font-size: 1.35rem;
  font-weight: 750;
  color: var(--white);
  margin-bottom: 14px;
}

.cs-badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: var(--radius-full);
  background: rgba(0, 194, 106, 0.15);
  color: var(--primary);
  border: 1px solid rgba(0, 194, 106, 0.35);
}

/* ==========================================================================
   Contact Section
   ========================================================================== */

.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: flex-start;
}

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

.contact-info-card {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

.email-highlight-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px;
  background: var(--surface-light);
  border-radius: var(--radius-md);
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--dark-green);
  word-break: break-all;
}

.copy-btn {
  background: var(--white);
  border: 1px solid var(--border-light);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 700;
  font-family: var(--font-sans);
  color: var(--dark-green);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.copy-btn:hover {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.contact-form-card {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 44px;
  box-shadow: var(--shadow-md);
}

/* Category Filter Pills in Form */
.category-selector-group {
  margin-bottom: 24px;
}

.category-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.cat-pill {
  padding: 7px 16px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-light);
  background: var(--off-white);
  font-size: 0.82rem;
  font-weight: 650;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.cat-pill:hover,
.cat-pill.active {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary-dark);
}

.form-group {
  margin-bottom: 22px;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 650;
  color: var(--dark-green);
  margin-bottom: 8px;
}

.form-label span.req {
  color: #EF4444;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border-light);
  background-color: var(--off-white);
  color: var(--dark-green);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--primary);
  background-color: var(--white);
  box-shadow: 0 0 0 3px var(--primary-subtle);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-status {
  margin-top: 16px;
  font-size: 0.9rem;
  display: none;
}

.form-status.success {
  display: block;
  color: #059669;
  background: #ECFDF5;
  padding: 12px 16px;
  border-radius: var(--radius-md);
}

.form-status.error {
  display: block;
  color: #DC2626;
  background: #FEF2F2;
  padding: 12px 16px;
  border-radius: var(--radius-md);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  background-color: var(--charcoal);
  color: var(--text-light);
  padding: 90px 0 40px;
  border-top: 1px solid var(--dark-card-border);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 56px;
  margin-bottom: 64px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.footer-logo-img {
  height: 40px;
  width: auto;
  max-height: 40px;
  aspect-ratio: 734.08 / 144;
  object-fit: contain;
  display: block;
}

.footer-tagline {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-light);
}

.footer-motto {
  font-size: 0.9rem;
  color: var(--text-light-secondary);
  line-height: 1.65;
  max-width: 340px;
}

.footer-col-title {
  font-size: 0.95rem;
  font-weight: 750;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 22px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-link {
  font-size: 0.92rem;
  color: var(--text-light-secondary);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--primary);
}

.footer-contact-details {
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-size: 0.92rem;
  color: var(--text-light-secondary);
}

.footer-contact-details a {
  color: var(--text-light);
}

.footer-contact-details a:hover {
  color: var(--primary);
}

.social-links {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 18px;
}

.social-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: grid;
  place-items: center;
  color: var(--text-light);
  transition: all var(--transition-fast);
}

.social-btn:hover {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: 0 4px 14px var(--primary-glow);
}

.footer-bottom {
  padding-top: 36px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-light-secondary);
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

/* ==========================================================================
   Toast Notification & Back to Top
   ========================================================================== */

.toast-container {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9999;
  pointer-events: none;
}

.toast {
  background: var(--dark-green);
  color: var(--white);
  padding: 14px 22px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  font-weight: 650;
  border-left: 4px solid var(--primary);
  opacity: 0;
  transform: translateY(14px);
  transition: all var(--transition-normal);
  pointer-events: auto;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}