/* ============================================================
   ZeravaTech Inc. — Main Stylesheet
   ============================================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700;800&display=swap');

/* ============================================================
   CSS Variables / Design Tokens
   ============================================================ */
:root {
  /* Colors */
  --color-primary: #00B4D8;
  --color-primary-dark: #0077B6;
  --color-accent: #4361EE;
  --color-gold: #FFB703;
  --color-white: #FFFFFF;
  --color-bg: #F8FAFB;
  --color-bg-alt: #EEF2F6;
  --color-text: #0D1B2A;
  --color-text-muted: #4A5568;
  --color-text-light: #718096;
  --color-border: rgba(0, 180, 216, 0.2);
  --color-border-strong: rgba(0, 180, 216, 0.5);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #00B4D8, #4361EE);
  --gradient-hero: linear-gradient(160deg, #F8FAFB 0%, #EEF2F6 50%, #E0EAF8 100%);
  --gradient-text: linear-gradient(135deg, #0D1B2A, #0077B6);

  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.70);
  --glass-blur: blur(12px);
  --glass-border: 1px solid rgba(0, 180, 216, 0.25);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(13, 27, 42, 0.06);
  --shadow-md: 0 8px 32px rgba(13, 27, 42, 0.10);
  --shadow-lg: 0 16px 64px rgba(13, 27, 42, 0.14);
  --shadow-teal: 0 0 30px rgba(0, 180, 216, 0.30);
  --shadow-teal-lg: 0 0 60px rgba(0, 180, 216, 0.45);

  /* Typography */
  --font-body: 'Inter', system-ui, sans-serif;
  --font-heading: 'Space Grotesk', system-ui, sans-serif;

  /* Spacing (8px grid) */
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 40px;
  --space-6: 48px;
  --space-8: 64px;
  --space-10: 80px;
  --space-12: 96px;
  --space-16: 128px;

  /* Border radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  /* Transitions */
  --transition: 0.3s ease;
  --transition-slow: 0.6s ease;

  /* Layout */
  --max-width: 1200px;
  --nav-height: 72px;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

ul,
ol {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: var(--font-body);
  border: none;
  background: none;
}

/* ============================================================
   Accessibility — Reduced Motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* ============================================================
   Typography
   ============================================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-text);
}

h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
}

h3 {
  font-size: clamp(1.2rem, 2vw, 1.5rem);
}

h4 {
  font-size: 1.1rem;
}

p {
  color: var(--color-text-muted);
  line-height: 1.8;
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================================
   Layout Utilities
   ============================================================ */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.section {
  padding: var(--space-10) 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: rgba(0, 180, 216, 0.10);
  border: 1px solid rgba(0, 180, 216, 0.25);
  border-radius: var(--radius-full);
  padding: 6px 16px;
  margin-bottom: var(--space-2);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.section-header p {
  max-width: 600px;
  margin: var(--space-2) auto 0;
  font-size: 1.1rem;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-teal);
}

.btn-primary:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-teal-lg);
}

.btn-primary:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

.btn-outline {
  background: transparent;
  color: var(--color-primary-dark);
  border: 2px solid var(--color-primary);
  padding: 12px 26px;
}

.btn-outline:hover {
  background: rgba(0, 180, 216, 0.08);
  transform: scale(1.03);
}

.btn-outline:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

.btn-lg {
  padding: 18px 40px;
  font-size: 1.1rem;
}

/* ============================================================
   Glassmorphism Card
   ============================================================ */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), box-shadow var(--transition);
}

.glass-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-teal), var(--shadow-lg);
}

/* ============================================================
   NAVBAR
   ============================================================ */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(248, 250, 251, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition), box-shadow var(--transition);
}

#navbar.scrolled {
  background: rgba(248, 250, 251, 0.97);
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 var(--space-3);
  max-width: var(--max-width);
  margin: 0 auto;
}

/* Nav Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-mark {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.logo-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.1rem;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.01em;
}

.logo-tagline {
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: 1px;
}

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-links a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  position: relative;
  transition: color var(--transition);
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition);
}

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

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

.nav-links a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
  border-radius: 4px;
}

/* Nav Right */
.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}

.nav-hamburger:hover {
  background: rgba(0, 180, 216, 0.08);
}

.nav-hamburger:focus-visible {
  outline: 2px solid var(--color-primary);
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}

.nav-hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav-hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Nav */
.nav-mobile {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: rgba(248, 250, 251, 0.98);
  backdrop-filter: blur(20px);
  padding: var(--space-3) var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  transform: translateY(-110%);
  opacity: 0;
  transition: transform var(--transition), opacity var(--transition);
  z-index: 999;
  pointer-events: none;
}

.nav-mobile.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}

.nav-mobile a {
  padding: 12px var(--space-2);
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 1rem;
  color: var(--color-text);
  transition: background var(--transition), color var(--transition);
}

.nav-mobile a:hover {
  background: rgba(0, 180, 216, 0.08);
  color: var(--color-primary);
}

.nav-mobile .btn {
  margin-top: var(--space-2);
  justify-content: center;
}

/* ============================================================
   HERO
   ============================================================ */
#hero {
  min-height: 100vh;
  padding-top: var(--nav-height);
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: center;
  padding: var(--space-12) 0 var(--space-10);
}

.hero-content {}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 180, 216, 0.12);
  border: 1px solid rgba(0, 180, 216, 0.30);
  border-radius: var(--radius-full);
  padding: 6px 16px 6px 10px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-3);
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {

  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }

  50% {
    transform: scale(1.4);
    opacity: 0.7;
  }
}

.hero-headline {
  font-size: clamp(2.8rem, 5.5vw, 4.4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-3);
  color: var(--color-text);
}

.hero-headline .line-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-5);
  max-width: 520px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-6);
}

.hero-link {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-primary-dark);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition), color var(--transition);
}

.hero-link:hover {
  gap: 10px;
  color: var(--color-primary);
}

/* Trust badges */
.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(0, 180, 216, 0.2);
  border-radius: var(--radius-full);
  padding: 8px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(8px);
}

.trust-badge i {
  color: var(--color-primary);
}

/* Hero visual */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-img-wrap {
  position: relative;
  width: 100%;
  max-width: 520px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-teal), var(--shadow-lg);
}

.hero-img-wrap img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: var(--radius-xl);
}

.hero-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0, 119, 182, 0.15) 100%);
  border-radius: var(--radius-xl);
}

.hero-float-card {
  position: absolute;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  box-shadow: var(--shadow-md);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.hero-float-card i {
  color: var(--color-primary);
  font-size: 1rem;
}

.hero-float-1 {
  top: 24px;
  left: -32px;
  animation: float1 4s ease-in-out infinite;
}

.hero-float-2 {
  bottom: 32px;
  right: -24px;
  animation: float2 4.5s ease-in-out infinite;
}

@keyframes float1 {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-12px);
  }
}

@keyframes float2 {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(12px);
  }
}

/* ============================================================
   MARQUEE
   ============================================================ */
#marquee {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  padding: 18px 0;
  overflow: hidden;
}

.marquee-track {
  display: flex;
  align-items: center;
  gap: 0;
  width: max-content;
  animation: marquee-scroll 28s linear infinite;
}

.marquee-track:hover {
  animation-play-state: paused;
}

@keyframes marquee-scroll {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(-50%);
  }
}

.marquee-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 32px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  color: rgba(255, 255, 255, 0.9);
  white-space: nowrap;
}

.marquee-item::after {
  content: '';
  width: 6px;
  height: 6px;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ============================================================
   PROBLEM / SOLUTION
   ============================================================ */
#problem-solution {
  background: var(--color-bg-alt);
}

.ps-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  align-items: stretch;
}

.ps-card {
  padding: var(--space-6);
  border-radius: var(--radius-lg);
}

.ps-card-problem {
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(199, 48, 48, 0.12);
  position: relative;
  overflow: hidden;
}

.ps-card-problem::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #E53E3E, #FC8181);
}

.ps-card-solution {
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(0, 180, 216, 0.2);
  position: relative;
  overflow: hidden;
}

.ps-card-solution::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
}

.ps-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: var(--space-3);
}

.ps-icon-red {
  background: rgba(229, 62, 62, 0.1);
  color: #C53030;
}

.ps-icon-teal {
  background: rgba(0, 180, 216, 0.1);
  color: var(--color-primary);
}

.ps-card h3 {
  margin-bottom: var(--space-2);
}

.ps-card p {
  font-size: 1rem;
  line-height: 1.75;
}

/* ============================================================
   HOW IT WORKS
   ============================================================ */
#how-it-works {}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  position: relative;
}

.steps-grid::before {
  content: '';
  position: absolute;
  top: 52px;
  left: calc(16.66% + 26px);
  right: calc(16.66% + 26px);
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  opacity: 0.3;
}

.step-card {
  padding: var(--space-5) var(--space-4);
  text-align: center;
  border-radius: var(--radius-lg);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
}

.step-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-teal), var(--shadow-md);
  border-color: var(--color-border-strong);
}

.step-number {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: white;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 180, 216, 0.4);
}

.step-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(0, 180, 216, 0.12), rgba(67, 97, 238, 0.12));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--color-primary);
  margin: var(--space-2) auto var(--space-3);
}

.step-card h3 {
  margin-bottom: var(--space-1);
}

.step-card p {
  font-size: 0.95rem;
}

/* ============================================================
   FEATURES / TECHNOLOGY
   ============================================================ */
#features {
  background: var(--color-bg-alt);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

.feature-card {
  padding: var(--space-5);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 3px;
  background: var(--gradient-primary);
  border-radius: 0 4px 4px 0;
  opacity: 0;
  transition: opacity var(--transition);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: var(--space-3);
  background: linear-gradient(135deg, rgba(0, 180, 216, 0.1), rgba(67, 97, 238, 0.1));
  color: var(--color-primary);
  transition: transform var(--transition);
}

.feature-card:hover .feature-icon {
  transform: scale(1.1) rotate(-4deg);
}

.feature-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gold);
  background: rgba(255, 183, 3, 0.12);
  border: 1px solid rgba(255, 183, 3, 0.25);
  border-radius: var(--radius-full);
  padding: 3px 10px;
  margin-bottom: var(--space-2);
}

.feature-card h3 {
  margin-bottom: var(--space-1);
}

.feature-card p {
  font-size: 0.95rem;
}

/* ============================================================
   USE CASES
   ============================================================ */
#use-cases {}

.use-cases-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-1);
  flex-wrap: wrap;
  margin-bottom: var(--space-5);
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
  cursor: pointer;
}

.tab-btn:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: rgba(0, 180, 216, 0.06);
}

.tab-btn.active {
  color: white;
  background: var(--gradient-primary);
  border-color: transparent;
  box-shadow: var(--shadow-teal);
}

.tab-btn i {
  font-size: 1rem;
}

.tab-panel {
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  align-items: center;
}

.tab-panel.active {
  display: grid;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.tab-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-teal), var(--shadow-md);
}

.tab-image img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

.tab-content h3 {
  margin-bottom: var(--space-2);
  font-size: 1.6rem;
}

.tab-content p {
  font-size: 1rem;
  margin-bottom: var(--space-3);
}

.tab-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.tab-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.tab-feature-item i {
  color: var(--color-primary);
  margin-top: 2px;
  flex-shrink: 0;
}

/* ============================================================
   STATS
   ============================================================ */
#stats {
  background: var(--color-text);
  position: relative;
  overflow: hidden;
}

#stats::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 80% at 50% 50%, rgba(0, 180, 216, 0.15) 0%, transparent 70%);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  position: relative;
}

.stat-card {
  text-align: center;
  padding: var(--space-5) var(--space-4);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: background var(--transition), transform var(--transition);
}

.stat-card:hover {
  background: rgba(0, 180, 216, 0.12);
  border-color: rgba(0, 180, 216, 0.3);
  transform: translateY(-4px);
}

.stat-value {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 500;
}

/* ============================================================
   ABOUT
   ============================================================ */
#about {}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: center;
}

.about-img-wrap {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-teal), var(--shadow-lg);
}

.about-img-wrap img {
  width: 100%;
  height: 600px;
  object-fit: cover;
}

.about-img-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  box-shadow: var(--shadow-md);
}

.about-img-badge strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-img-badge span {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.about-content {}

.about-content h2 {
  margin-bottom: var(--space-3);
}

.about-content p {
  margin-bottom: var(--space-3);
  font-size: 1rem;
}

.founders-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.founder-card {
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 14px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.founder-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-teal), var(--shadow-md);
}

.founder-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
}

.founder-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-text);
}

.founder-title {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

/* ============================================================
   TESTIMONIALS
   ============================================================ */
#testimonials {
  background: var(--color-bg-alt);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.testimonial-card {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.testimonial-stars {
  display: flex;
  gap: 4px;
}

.testimonial-stars i {
  color: var(--color-gold);
  font-size: 0.9rem;
}

.testimonial-quote {
  font-size: 0.97rem;
  line-height: 1.8;
  color: var(--color-text);
  flex: 1;
  font-style: italic;
}

.testimonial-quote::before {
  content: '"';
  font-family: var(--font-heading);
  font-size: 3rem;
  line-height: 0;
  vertical-align: -1rem;
  color: var(--color-primary);
  opacity: 0.4;
  margin-right: 4px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-border);
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.testimonial-name {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-text);
}

.testimonial-role {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

/* ============================================================
   FAQ
   ============================================================ */
#faq {}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.faq-item.open {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-teal);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  transition: color var(--transition);
  gap: var(--space-3);
}

.faq-question:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
}

.faq-item.open .faq-question {
  color: var(--color-primary);
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(0, 180, 216, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 0.8rem;
  flex-shrink: 0;
  transition: transform var(--transition), background var(--transition);
}

.faq-item.open .faq-icon {
  transform: rotate(180deg);
  background: var(--gradient-primary);
  color: white;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-answer-inner {
  padding: 0 var(--space-4) var(--space-3);
  color: var(--color-text-muted);
  font-size: 0.97rem;
  line-height: 1.8;
}

/* ============================================================
   CTA BANNER
   ============================================================ */
#cta-banner {
  background: var(--gradient-primary);
  position: relative;
  overflow: hidden;
  text-align: center;
  padding: var(--space-10) 0;
}

#cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 100% at 50% 50%, rgba(255, 255, 255, 0.12) 0%, transparent 70%);
}

.cta-banner-inner {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
}

.cta-tag {
  display: inline-block;
  background: rgba(255, 183, 3, 0.25);
  color: #FFB703;
  border: 1px solid rgba(255, 183, 3, 0.4);
  border-radius: var(--radius-full);
  padding: 5px 16px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

#cta-banner h2 {
  color: white;
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--space-2);
}

#cta-banner p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.1rem;
  margin-bottom: var(--space-5);
}

.btn-white {
  background: white;
  color: var(--color-primary-dark);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.btn-white:hover {
  transform: scale(1.05);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

/* ============================================================
   CONTACT / FORM
   ============================================================ */
#contact {
  background: var(--color-bg-alt);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-8);
  align-items: start;
}

.contact-info h2 {
  margin-bottom: var(--space-2);
}

.contact-info p {
  margin-bottom: var(--space-5);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(0, 180, 216, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 1rem;
  flex-shrink: 0;
}

.contact-detail-text strong {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text);
  margin-bottom: 2px;
}

.contact-detail-text span {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* Form */
.contact-form-wrap {
  padding: var(--space-6);
}

.form-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.4rem;
  margin-bottom: var(--space-4);
  color: var(--color-text);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

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

.form-group.full {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text);
  background: white;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 180, 216, 0.15);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-group select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%234A5568' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

.form-submit {
  margin-top: var(--space-3);
  width: 100%;
  justify-content: center;
}

.form-success {
  display: none;
  text-align: center;
  padding: var(--space-5);
}

.form-success i {
  font-size: 3rem;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
  display: block;
}

.form-success h3 {
  margin-bottom: var(--space-1);
}

/* ============================================================
   FOOTER
   ============================================================ */
#footer {
  background: var(--color-text);
  padding: var(--space-8) 0 var(--space-4);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: var(--space-4);
}

.footer-brand .logo-name {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 1.2rem;
}

.footer-brand .logo-tagline {
  color: rgba(255, 255, 255, 0.4);
}

.footer-tagline {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.5);
  margin-top: var(--space-3);
  max-width: 240px;
  line-height: 1.7;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: var(--space-2);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li a {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.62);
  transition: color var(--transition);
}

.footer-col ul li a:hover {
  color: var(--color-primary);
}

.footer-col ul li a:focus-visible {
  outline: 2px solid var(--color-primary);
  border-radius: 4px;
  outline-offset: 3px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.footer-copy {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.35);
}

.footer-socials {
  display: flex;
  gap: 12px;
}

.footer-social-link {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
  transition: background var(--transition), color var(--transition);
}

.footer-social-link:hover {
  background: rgba(0, 180, 216, 0.25);
  color: var(--color-primary);
}

.footer-social-link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal {
  opacity: 1;
  transform: translateY(0);
}

.reveal-hidden {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-hidden.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays */
.reveal-delay-1 {
  transition-delay: 0.1s;
}

.reveal-delay-2 {
  transition-delay: 0.2s;
}

.reveal-delay-3 {
  transition-delay: 0.3s;
}

.reveal-delay-4 {
  transition-delay: 0.4s;
}

.reveal-delay-5 {
  transition-delay: 0.5s;
}

.reveal-delay-6 {
  transition-delay: 0.6s;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-6);
  }

  .hero-sub {
    margin: 0 auto var(--space-5);
  }

  .hero-actions {
    justify-content: center;
  }

  .trust-badges {
    justify-content: center;
  }

  .hero-float-1 {
    left: 0;
  }

  .hero-float-2 {
    right: 0;
  }

  .steps-grid::before {
    display: none;
  }

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

  .tab-panel.active {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .about-img-wrap {
    max-width: 600px;
    margin: 0 auto;
  }

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

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }

  .nav-links,
  .nav-right {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  .hero-inner {
    padding: var(--space-8) 0 var(--space-8);
  }

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

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

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

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

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

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

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

  .footer-top {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }

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

  .section {
    padding: var(--space-8) 0;
  }

  .hero-float-1,
  .hero-float-2 {
    display: none;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .use-cases-tabs {
    gap: 8px;
  }

  .tab-btn {
    padding: 10px 16px;
    font-size: 0.82rem;
  }
}