/* ============================================
   PalpAid — Design System & Styles
   ============================================ */

/* ---------- Google Font ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Brand Colors */
  --purple-50: #f5f0ff;
  --purple-100: #ede5ff;
  --purple-200: #d4c4ff;
  --purple-300: #b89dff;
  --purple-400: #9a6fff;
  --purple-500: #7c3aed;
  --purple-600: #6d28d9;
  --purple-700: #5b21b6;
  --purple-800: #4c1d95;
  --purple-900: #3b0f80;

  --magenta-400: #e040a0;
  --magenta-500: #d63384;
  --magenta-600: #c2185b;

  /* Neutral Palette */
  --gray-50: #fafafa;
  --gray-100: #f4f4f5;
  --gray-200: #e4e4e7;
  --gray-300: #d4d4d8;
  --gray-400: #a1a1aa;
  --gray-500: #71717a;
  --gray-600: #52525b;
  --gray-700: #3f3f46;
  --gray-800: #27272a;
  --gray-900: #18181b;
  --gray-950: #09090b;

  --white: #ffffff;
  --black: #000000;

  /* Semantic Colors */
  --bg-primary: var(--white);
  --bg-secondary: var(--gray-50);
  --bg-dark: var(--gray-950);
  --text-primary: var(--gray-900);
  --text-secondary: var(--gray-600);
  --text-muted: var(--gray-400);
  --text-on-dark: var(--gray-100);
  --accent: var(--purple-500);
  --accent-hover: var(--purple-600);
  --accent-light: var(--purple-100);
  --highlight: var(--magenta-500);

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #ffffff 0%, #faf5ff 40%, #fdf2f8 100%);
  --gradient-accent: linear-gradient(135deg, var(--purple-500) 0%, var(--magenta-500) 100%);
  --gradient-subtle: linear-gradient(180deg, var(--purple-50) 0%, var(--white) 100%);
  --gradient-dark: linear-gradient(135deg, var(--gray-950) 0%, var(--purple-900) 100%);

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Space Grotesk', var(--font-body);

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  --text-7xl: 4.5rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Sizing */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1200px;
  --container-2xl: 1400px;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0,0,0,0.25);
  --shadow-glow: 0 0 40px rgba(124,58,237,0.3);
  --shadow-glow-magenta: 0 0 40px rgba(214,51,132,0.3);

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 500ms;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

section[id] {
  scroll-margin-top: 80px;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

/* ---------- Utilities ---------- */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- Scroll Animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-60px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(60px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* Stagger children animations */
.stagger-children > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0.1s; opacity: 1; transform: none; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.2s; opacity: 1; transform: none; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.3s; opacity: 1; transform: none; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.4s; opacity: 1; transform: none; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.5s; opacity: 1; transform: none; }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.6s; opacity: 1; transform: none; }

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-4) 0;
  transition: all var(--duration-normal) var(--ease-out);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  padding: var(--space-3) 0;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--gray-900);
  transition: color var(--duration-normal);
}

.navbar.scrolled .nav-logo {
  color: var(--gray-900);
}

.nav-logo .logo-highlight {
  color: var(--magenta-400);
}

.navbar.scrolled .nav-logo .logo-highlight {
  color: var(--magenta-500);
}

.nav-logo img {
  height: 32px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--gray-600);
  position: relative;
  padding: var(--space-1) 0;
  transition: color var(--duration-fast);
}

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

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

.nav-links a:hover {
  color: var(--gray-900);
}

.navbar.scrolled .nav-links a {
  color: var(--gray-600);
}

.navbar.scrolled .nav-links a:hover {
  color: var(--gray-900);
}

.nav-cta {
  padding: var(--space-2) var(--space-6) !important;
  background: var(--gradient-accent) !important;
  color: var(--white) !important;
  border-radius: var(--radius-full) !important;
  font-weight: 600 !important;
  transition: transform var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) !important;
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
}

.nav-cta::after {
  display: none !important;
}

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gray-900);
  border-radius: var(--radius-full);
  transition: all var(--duration-normal) var(--ease-out);
}

.navbar.scrolled .nav-toggle span {
  background: var(--gray-900);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

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

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 70%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(214,51,132,0.08) 0%, transparent 60%);
  animation: heroGlow 8s ease-in-out infinite alternate;
}

.hero::after {
  display: none;
}

@keyframes heroGlow {
  0% { transform: translate(0, 0) scale(1); opacity: 0.4; }
  100% { transform: translate(-5%, 5%) scale(1.1); opacity: 0.7; }
}

/* Floating particles */
.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.particle {
  position: absolute;
  border-radius: 50%;
  background: rgba(124,58,237,0.06);
  animation: particleFloat linear infinite;
}

@keyframes particleFloat {
  0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-10vh) rotate(720deg); opacity: 0; }
}

.hero .container {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  padding-top: var(--space-24);
  padding-bottom: var(--space-24);
}

.hero-content {
  max-width: 600px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(124,58,237,0.08);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(124,58,237,0.15);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--purple-600);
  margin-bottom: var(--space-8);
  animation: fadeInUp 0.8s var(--ease-out) 0.2s both;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--magenta-400);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.8); }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-6xl);
  font-weight: 800;
  line-height: 1.08;
  color: var(--gray-900);
  margin-bottom: var(--space-6);
  animation: fadeInUp 0.8s var(--ease-out) 0.4s both;
}

.hero h1 .text-gradient {
  background: linear-gradient(135deg, var(--magenta-500) 0%, var(--purple-500) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--text-lg);
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: var(--space-10);
  max-width: 480px;
  animation: fadeInUp 0.8s var(--ease-out) 0.6s both;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  animation: fadeInUp 0.8s var(--ease-out) 0.8s both;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Hero Visual */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeInUp 1s var(--ease-out) 0.6s both;
}

.hero-device-mockup {
  position: relative;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: rgba(124,58,237,0.04);
  border: 1px solid rgba(124,58,237,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: gentleFloat 6s ease-in-out infinite;
}

.hero-device-mockup::before {
  content: '';
  position: absolute;
  inset: -20px;
  border-radius: 50%;
  border: 1px dashed rgba(124,58,237,0.12);
  animation: spinSlow 30s linear infinite;
}

.hero-device-mockup::after {
  content: '';
  position: absolute;
  inset: -50px;
  border-radius: 50%;
  border: 1px dashed rgba(124,58,237,0.06);
  animation: spinSlow 45s linear infinite reverse;
}

@keyframes gentleFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

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

.device-icon {
  font-size: 120px;
  line-height: 1;
  filter: drop-shadow(0 0 30px rgba(214,51,132,0.3));
}

/* Floating feature badges around the device */
.float-badge {
  position: absolute;
  padding: var(--space-2) var(--space-4);
  background: rgba(255,255,255,0.8);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(124,58,237,0.12);
  border-radius: var(--radius-lg);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--gray-800);
  white-space: nowrap;
  animation: gentleFloat 5s ease-in-out infinite;
}

.float-badge:nth-child(2) { top: 10%; right: -10%; animation-delay: -1s; }
.float-badge:nth-child(3) { bottom: 20%; right: -15%; animation-delay: -2s; }
.float-badge:nth-child(4) { bottom: 10%; left: -10%; animation-delay: -3s; }
.float-badge:nth-child(5) { top: 15%; left: -5%; animation-delay: -0.5s; }

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--duration-normal) var(--ease-out);
  cursor: pointer;
  border: none;
  line-height: 1.5;
}

.btn-primary {
  background: var(--gradient-accent);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(124,58,237,0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(124,58,237,0.45);
}

.btn-secondary {
  background: rgba(124,58,237,0.06);
  color: var(--purple-700);
  border: 1px solid rgba(124,58,237,0.25);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(124,58,237,0.12);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}

.btn-outline:hover {
  background: var(--accent);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-lg {
  padding: var(--space-4) var(--space-10);
  font-size: var(--text-lg);
}

.btn-arrow {
  transition: transform var(--duration-fast);
}

.btn:hover .btn-arrow {
  transform: translateX(3px);
}

/* ============================================
   STATS BANNER
   ============================================ */
.stats-banner {
  position: relative;
  background: var(--gradient-dark);
  padding: var(--space-16) 0;
  overflow: hidden;
}

.stats-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%239C92AC' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.stats-banner .container {
  position: relative;
  z-index: 1;
  text-align: center;
}

.stats-banner .stat-headline {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-6);
}

.stats-banner .stat-headline .highlight {
  color: var(--magenta-400);
}

.stats-banner .stat-description {
  max-width: 700px;
  margin: 0 auto;
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.6);
  line-height: 1.8;
}

/* ============================================
   SECTION: INTRODUCING
   ============================================ */
.section {
  padding: var(--space-16) 0;
}

.section-dark {
  background: var(--gradient-dark);
  color: var(--text-on-dark);
}

.section-alt {
  background: var(--gradient-subtle);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: var(--space-4);
}

.section-label .label-line {
  width: 32px;
  height: 2px;
  background: var(--gradient-accent);
  border-radius: var(--radius-full);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-5xl);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: var(--space-6);
  color: var(--text-primary);
}

.section-dark .section-title {
  color: var(--white);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 600px;
}

.section-dark .section-subtitle {
  color: rgba(255,255,255,0.6);
}

/* Product Introduction Grid */
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.intro-visual {
  position: relative;
}

.intro-image-wrapper {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
}

.intro-image-wrapper img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.intro-image-wrapper::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(124,58,237,0.1) 0%, transparent 60%);
}

/* Feature highlight cards - 2x2 grid (inside text col) */
.feature-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

/* Feature highlight cards - 4-column full-width row */
.feature-highlights-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.feature-card {
  padding: var(--space-6);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  transition: all var(--duration-normal) var(--ease-out);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--purple-200);
}

.feature-card .feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--purple-100);
  border-radius: var(--radius-lg);
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.feature-card h4 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-base);
  margin-bottom: var(--space-1);
}

.feature-card p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ============================================
   APP SECTION
   ============================================ */
.app-section {
  background: var(--gradient-dark);
  padding: var(--space-24) 0;
  overflow: hidden;
  position: relative;
}

.app-section::before {
  content: '';
  position: absolute;
  top: -30%;
  left: -10%;
  width: 50%;
  height: 160%;
  background: radial-gradient(ellipse, rgba(124,58,237,0.2) 0%, transparent 60%);
  pointer-events: none;
}

.app-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

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

.app-content .section-label {
  color: var(--magenta-400);
}

.app-features-list {
  margin-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.app-feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-xl);
  transition: all var(--duration-normal) var(--ease-out);
}

.app-feature-item:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(214,51,132,0.3);
  transform: translateX(8px);
}

.app-feature-item .feature-number {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-accent);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--white);
}

.app-feature-item h4 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--white);
  margin-bottom: var(--space-1);
}

.app-feature-item p {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
  line-height: 1.5;
}

/* Phone mockup */
.app-visual {
  display: flex;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.phone-mockup {
  position: relative;
  width: 280px;
  height: 560px;
  background: var(--gray-900);
  border-radius: 40px;
  border: 3px solid var(--gray-700);
  padding: 12px;
  box-shadow: 
    0 0 0 1px rgba(255,255,255,0.05),
    0 25px 60px rgba(0,0,0,0.5),
    inset 0 1px 0 rgba(255,255,255,0.1);
  animation: gentleFloat 6s ease-in-out infinite;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, var(--purple-700) 0%, var(--purple-900) 40%, var(--gray-950) 100%);
  border-radius: 28px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
  text-align: center;
  position: relative;
}

.phone-notch {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 28px;
  background: var(--gray-900);
  border-radius: 0 0 16px 16px;
}

.phone-screen .phone-logo {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-2);
  margin-top: var(--space-8);
}

.phone-screen .phone-logo .hl {
  color: var(--magenta-400);
}

.phone-screen .phone-subtitle {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.5);
  margin-bottom: var(--space-8);
}

.phone-features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  width: 100%;
}

.phone-feature-tile {
  padding: var(--space-3) var(--space-2);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  text-align: center;
}

.phone-feature-tile .tile-icon {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-1);
}

.phone-feature-tile .tile-label {
  font-size: 10px;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ============================================
   TEAM SECTION
   ============================================ */
.team-section {
  padding: var(--space-24) 0;
  background: var(--gradient-subtle);
}

.team-section .container {
  text-align: center;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
  max-width: 900px;
  margin: var(--space-12) auto 0;
}

.team-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-2xl);
  padding: var(--space-10) var(--space-8);
  text-align: center;
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.team-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity var(--duration-normal);
}

.team-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--purple-200);
}

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

.team-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  margin: 0 auto var(--space-5);
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 700;
  box-shadow: 0 8px 20px rgba(124,58,237,0.25);
}

.team-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.team-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-1);
}

.team-card .team-role {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--accent);
  margin-bottom: var(--space-4);
}

.team-card .team-bio {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================
   CONTACT / GET INVOLVED
   ============================================ */
.contact-section {
  padding: var(--space-24) 0;
  background: var(--bg-primary);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.contact-info {
  padding-top: var(--space-4);
}

.contact-info .section-subtitle {
  margin-bottom: var(--space-8);
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.contact-detail .contact-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--purple-100);
  border-radius: var(--radius-lg);
  font-size: var(--text-xl);
}

.contact-detail h4 {
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.contact-detail p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

/* Contact Form */
.contact-form-wrapper {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  box-shadow: var(--shadow-lg);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

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

.form-group input,
.form-group textarea {
  padding: var(--space-3) var(--space-4);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--text-primary);
  background: var(--gray-50);
  transition: all var(--duration-fast);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.1);
  background: var(--white);
}

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

.form-submit {
  width: 100%;
  padding: var(--space-4);
  background: var(--gradient-accent);
  color: var(--white);
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  font-weight: 700;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
}

.form-submit:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--gray-950);
  padding: var(--space-16) 0 var(--space-8);
  color: rgba(255,255,255,0.5);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-brand .footer-logo {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-4);
}

.footer-brand .footer-logo .hl {
  color: var(--magenta-400);
}

.footer-brand p {
  font-size: var(--text-sm);
  line-height: 1.7;
  max-width: 320px;
}

.footer-links h4 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-4);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
  transition: color var(--duration-fast);
}

.footer-links a:hover {
  color: var(--magenta-400);
}

.footer-divider {
  width: 100%;
  height: 1px;
  background: rgba(255,255,255,0.08);
  margin-bottom: var(--space-8);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-sm);
}

.footer-bottom a {
  color: var(--magenta-400);
}

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

  .hero-content {
    max-width: 100%;
  }

  .hero-subtitle {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

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

  .hero-visual {
    display: none;
  }

  .hero h1 {
    font-size: var(--text-5xl);
  }

  .intro-grid,
  .app-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .section-title {
    font-size: var(--text-4xl);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    justify-content: center;
    gap: var(--space-6);
    padding: var(--space-8);
    box-shadow: var(--shadow-2xl);
    transition: right var(--duration-normal) var(--ease-out);
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links a {
    color: var(--gray-700) !important;
    font-size: var(--text-lg);
  }

  .nav-toggle {
    display: flex;
  }

  .hero h1 {
    font-size: var(--text-4xl);
  }

  .hero-badge {
    font-size: var(--text-xs);
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .stats-banner .stat-headline {
    font-size: var(--text-2xl);
  }

  .feature-highlights {
    grid-template-columns: 1fr;
  }

  .feature-highlights-row {
    grid-template-columns: 1fr 1fr;
  }

  .team-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }

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

  .phone-mockup {
    width: 240px;
    height: 480px;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }

  .section {
    padding: var(--space-16) 0;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: var(--text-3xl);
  }

  .container {
    padding: 0 var(--space-4);
  }

  .section-title {
    font-size: var(--text-3xl);
  }
}