/* ==========================================================================
   HealthHub Landing Page — Design System Stylesheet
   Recipe: headspace-meditation adapted for serious AI Healthcare
   Warm Humanist • Approachable • Technically Credible • Calm & Trustworthy
   ========================================================================== */

/* --- Design Tokens --- */
:root {
  /* Ground & Surfaces */
  --color-ground: #FDF9F4;           /* Warm soft cream ground */
  --color-ground-alt: #F7EFE6;       /* Slightly deeper warm neutral */
  --color-surface: #FFFFFF;          /* Pure white card surface */
  --color-surface-elevated: #FAF6F0; /* Soft elevated surface */
  --color-surface-subtle: #F3ECE2;   /* Subtle divider / pill surface */

  /* Ink & Typography */
  --color-ink: #192734;              /* Warm dark slate ink (not harsh black) */
  --color-ink-secondary: #566779;    /* Calm slate neutral for body & labels */
  --color-ink-tertiary: #8494A5;     /* Soft tertiary text */
  --color-ink-on-brand: #FFFFFF;     /* Contrast text on dark backgrounds */

  /* Brand Colors (from HealthHub Flutter app) */
  --color-brand: #432C81;            /* HealthHub signature deep royal purple */
  --color-brand-hover: #352169;      /* Darker brand on hover */
  --color-brand-light: #ECE8F6;      /* Soft lavender-tinted background */
  --color-brand-surface: #F5F2FC;    /* Very soft brand surface */
  --color-brand-border: #D8CEF0;     /* Refined brand border */
  --color-brand-accent: #6D48D7;     /* Vibrant purple highlight */

  /* Healthcare Warm Accents */
  --color-accent-warm: #E68A5C;      /* Warm terracotta coral (inviting, human) */
  --color-accent-warm-hover: #D67746;/* Hover state */
  --color-accent-warm-bg: #FCF0E8;   /* Soft warm badge background */
  --color-accent-sage: #4E8A63;      /* Calming clinical sage */
  --color-accent-sage-bg: #EDF6F0;   /* Sage tint background */
  --color-accent-blue: #3E7CA8;      /* Trustworthy clinical blue */
  --color-accent-blue-bg: #ECF4F9;   /* Blue tint background */
  --color-emergency: #C84646;        /* Urgent healthcare red/crimson */
  --color-emergency-bg: #FDF1F1;     /* Emergency soft highlight */
  --color-emergency-border: #F6C8C8; /* Emergency border */

  /* Borders */
  --color-border: #E8DED2;           /* Warm tactile border */
  --color-border-light: #F0E8DE;     /* Subtle divider */
  --color-border-focus: #432C81;     /* High contrast focus ring */

  /* Soft Warm Shadows */
  --shadow-sm: 0 2px 8px rgba(25, 39, 52, 0.04);
  --shadow-md: 0 6px 20px rgba(67, 44, 129, 0.06), 0 2px 6px rgba(230, 138, 92, 0.04);
  --shadow-lg: 0 16px 36px rgba(67, 44, 129, 0.08), 0 4px 12px rgba(25, 39, 52, 0.04);
  --shadow-xl: 0 24px 56px rgba(67, 44, 129, 0.12), 0 8px 24px rgba(25, 39, 52, 0.06);
  --shadow-pill: 0 4px 14px rgba(230, 138, 92, 0.25);
  --shadow-emergency: 0 12px 36px rgba(200, 70, 70, 0.14);

  /* Geometry & Radius */
  --radius-xs: 8px;
  --radius-sm: 14px;
  --radius-md: 22px;
  --radius-lg: 32px;
  --radius-xl: 40px;
  --radius-pill: 9999px;

  /* Spacing Scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;
  --space-10: 128px;

  /* Typography */
  --font-family: 'Raleway', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Motion & Easing */
  --ease-gentle: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-entrance: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 180ms;
  --duration-normal: 320ms;
  --duration-slow: 600ms;
  --duration-breathing: 3600ms;

  /* Layout */
  --container-max: 1200px;
  --header-height: 84px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  background-color: var(--color-ground);
  color: var(--color-ink);
  line-height: 1.65;
  overflow-x: hidden;
  font-weight: 500;
}

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

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

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

/* Accessible Skip Link */
.skip-link {
  position: absolute;
  top: -60px;
  left: 20px;
  background: var(--color-brand);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  z-index: 1000;
  font-weight: 700;
  transition: top var(--duration-fast);
}
.skip-link:focus {
  top: 20px;
}

/* Focus Visible Styling */
:focus-visible {
  outline: 3px solid var(--color-brand-accent);
  outline-offset: 3px;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

/* Subtle Organic Ambient Gradients (No neon pink/purple blobs) */
.ambient-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.ambient-glow::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(247, 226, 208, 0.45) 0%, rgba(253, 249, 244, 0) 70%);
  border-radius: 50%;
  filter: blur(60px);
}

.ambient-glow::after {
  content: '';
  position: absolute;
  bottom: 10%;
  left: -15%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, rgba(236, 232, 246, 0.4) 0%, rgba(253, 249, 244, 0) 70%);
  border-radius: 50%;
  filter: blur(80px);
}

/* ==========================================================================
   Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 16px;
  width: 100%;
  z-index: 500;
  padding: 0 var(--space-4);
  display: flex;
  justify-content: center;
  pointer-events: none;
  background: transparent;
  border-bottom: none;
  transition: all var(--duration-normal) var(--ease-gentle);
}

.nav-container {
  pointer-events: auto;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1080px;
  height: 64px;
  padding: 6px 14px 6px 18px;
  background: rgba(253, 249, 244, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(232, 222, 210, 0.95);
  border-radius: var(--radius-pill); /* Circular edges */
  box-shadow: 0 10px 30px rgba(67, 44, 129, 0.08), 0 2px 8px rgba(25, 39, 52, 0.04);
}

.brand-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  transition: transform var(--duration-fast);
}
.brand-link:hover {
  transform: translateY(-1px);
}

.brand-logo-img {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-pill);
  object-fit: cover;
  background: #fff;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

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

.brand-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-brand);
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.site-nav.nav-pill {
  display: flex;
  align-items: center;
  background: rgba(243, 236, 226, 0.7);
  border: 1px solid rgba(232, 222, 210, 0.85);
  border-radius: var(--radius-pill);
  padding: 4px 6px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-ink-secondary);
  transition: all var(--duration-fast) ease;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  white-space: nowrap;
}

.nav-item a:hover {
  color: var(--color-brand);
  background: var(--color-surface);
  box-shadow: 0 2px 8px rgba(67, 44, 129, 0.08);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-actions .btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
  border-radius: var(--radius-pill);
}

.mobile-menu-toggle {
  display: none;
  padding: 8px;
  color: var(--color-ink);
  border-radius: var(--radius-pill);
}

/* ==========================================================================
   Buttons & Pills
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 13px 26px;
  font-size: 0.96rem;
  font-weight: 700;
  line-height: 1.2;
  border-radius: var(--radius-pill);
  transition: all var(--duration-normal) var(--ease-gentle);
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
}

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

.btn:hover svg {
  transform: translateX(2px);
}

.btn-primary {
  background-color: var(--color-accent-warm);
  color: #FFFFFF;
  box-shadow: var(--shadow-pill);
}

.btn-primary:hover {
  background-color: var(--color-accent-warm-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(230, 138, 92, 0.35);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background-color: var(--color-surface);
  color: var(--color-ink);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background-color: var(--color-surface-elevated);
  border-color: var(--color-ink-secondary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-brand {
  background-color: var(--color-brand);
  color: #FFFFFF;
  box-shadow: 0 4px 16px rgba(67, 44, 129, 0.2);
}

.btn-brand:hover {
  background-color: var(--color-brand-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(67, 44, 129, 0.3);
}

.btn-emergency {
  background-color: var(--color-emergency);
  color: #FFFFFF;
  box-shadow: var(--shadow-emergency);
}

.btn-emergency:hover {
  background-color: #B53636;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 9px 18px;
  font-size: 0.88rem;
}

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

/* Eyebrow / Badges */
.eyebrow-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 14px;
  background-color: var(--color-brand-light);
  color: var(--color-brand);
  font-size: 0.82rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-brand-border);
  margin-bottom: var(--space-4);
}

.eyebrow-pill .pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-accent-sage);
  border-radius: 50%;
  animation: pulseBreathing 2.5s infinite var(--ease-gentle);
}

@keyframes pulseBreathing {
  0% { transform: scale(0.9); opacity: 0.7; }
  50% { transform: scale(1.3); opacity: 1; box-shadow: 0 0 10px rgba(78, 138, 99, 0.5); }
  100% { transform: scale(0.9); opacity: 0.7; }
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding: var(--space-8) 0 var(--space-10);
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: var(--space-8);
}

.hero-content {
  max-width: 580px;
}

.hero-title {
  font-size: clamp(2.4rem, 4.2vw, 3.8rem);
  font-weight: 900;
  color: var(--color-brand);
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-5);
}

.hero-title .highlight-warm {
  color: var(--color-accent-warm);
  display: inline-block;
  position: relative;
}

.hero-description {
  font-size: clamp(1.05rem, 1.3vw, 1.2rem);
  color: var(--color-ink-secondary);
  line-height: 1.68;
  margin-bottom: var(--space-6);
  font-weight: 500;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.hero-trust-indicators {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--color-ink-secondary);
}

.trust-item svg {
  color: var(--color-accent-sage);
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* --- Hero Device Presentation (Real Flutter UI Showcase) --- */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-device-wrapper {
  position: relative;
  width: 100%;
  max-width: 380px;
  margin: 0 auto;
}

/* Phone Frame (Warm, Realistic, Not generic SaaS template) */
.phone-mockup {
  position: relative;
  background: #181925;
  border-radius: 46px;
  padding: 12px;
  box-shadow: 0 25px 60px -10px rgba(67, 44, 129, 0.22),
              0 10px 25px rgba(25, 39, 52, 0.08),
              0 0 0 1px rgba(255, 255, 255, 0.12) inset;
  transition: transform var(--duration-slow) var(--ease-gentle);
}

.phone-mockup:hover {
  transform: translateY(-6px);
}

.phone-speaker {
  position: absolute;
  top: 22px;
  left: 50%;
  transform: translateX(-50%);
  width: 72px;
  height: 5px;
  background: #2D2F3F;
  border-radius: var(--radius-pill);
  z-index: 10;
}

.phone-screen {
  background-color: #F8F6FC;
  border-radius: 36px;
  overflow: hidden;
  height: 640px;
  display: flex;
  flex-direction: column;
  position: relative;
  border: 1px solid rgba(0, 0, 0, 0.08);
}

/* In-App Flutter UI Representation */
.app-status-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px 6px;
  font-size: 0.72rem;
  font-weight: 700;
  color: #1A1A2E;
  z-index: 5;
}

.app-header {
  padding: 12px 18px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.app-user-greeting {
  display: flex;
  flex-direction: column;
}

.app-greeting-title {
  font-size: 1.18rem;
  font-weight: 800;
  color: var(--color-brand);
}

.app-greeting-subtitle {
  font-size: 0.75rem;
  font-weight: 600;
  color: #796C9C;
}

.app-user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #E6DEFA;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-brand);
  font-weight: 700;
  font-size: 0.85rem;
  border: 2px solid #fff;
}

.app-scroll-content {
  flex: 1;
  overflow-y: auto;
  padding: 10px 16px 20px;
  scrollbar-width: none;
}
.app-scroll-content::-webkit-scrollbar {
  display: none;
}

/* App Emergency Banner */
.app-emergency-banner {
  background: linear-gradient(135deg, #7452CA 0%, #432C81 100%);
  border-radius: 20px;
  padding: 14px 16px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  box-shadow: 0 8px 18px rgba(67, 44, 129, 0.2);
}

.app-emergency-text h4 {
  font-size: 0.92rem;
  font-weight: 800;
  line-height: 1.2;
}

.app-emergency-text p {
  font-size: 0.7rem;
  opacity: 0.85;
  font-weight: 600;
}

.app-emergency-icon {
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.app-emergency-icon img {
  width: 22px;
  height: 22px;
}

/* App Feature Cards (Exact MenuCard layout from Flutter repo) */
.app-menu-cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.app-menu-card {
  background: #FFFFFF;
  border-radius: 18px;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 4px 12px rgba(67, 44, 129, 0.05);
  border: 1px solid #ECE7F5;
  transition: transform var(--duration-fast);
}

.app-menu-card-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.app-menu-card-thumb {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: #F4F1FA;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 4px;
}

.app-menu-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.app-menu-card-info h5 {
  font-size: 0.82rem;
  font-weight: 800;
  color: #2F2459;
  line-height: 1.25;
}

.app-menu-card-info p {
  font-size: 0.68rem;
  font-weight: 600;
  color: #7B7293;
}

.app-menu-card-arrow {
  color: #A396C7;
  font-size: 0.75rem;
}

/* App Curved Bottom Nav Bar */
.app-bottom-nav {
  height: 56px;
  background: #432C81;
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 0 14px;
  border-radius: 20px 20px 0 0;
  box-shadow: 0 -4px 16px rgba(67, 44, 129, 0.15);
}

.app-nav-item {
  color: rgba(255, 255, 255, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  transition: color var(--duration-fast);
}

.app-nav-item.active {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.16);
}

.app-floating-chat {
  position: absolute;
  bottom: 68px;
  right: 18px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: #432C81;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 16px rgba(67, 44, 129, 0.35);
  border: 2px solid #fff;
  animation: buoyantFloating 3.6s infinite ease-in-out;
}

.app-floating-chat img {
  width: 24px;
  height: 24px;
  filter: brightness(0) invert(1);
}

@keyframes buoyantFloating {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* Floating Status Pills on Hero Device */
.hero-badge-tag {
  position: absolute;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  border: 1px solid var(--color-border);
  padding: 10px 16px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  z-index: 20;
  animation: subtleFloat 4s infinite ease-in-out;
}

.hero-badge-tag.tag-top-left {
  top: 48px;
  left: -48px;
}

.hero-badge-tag.tag-bottom-right {
  bottom: 84px;
  right: -36px;
  animation-delay: -2s;
}

.badge-icon-box {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.badge-icon-box.green {
  background: var(--color-accent-sage-bg);
  color: var(--color-accent-sage);
}

.badge-icon-box.purple {
  background: var(--color-brand-surface);
  color: var(--color-brand);
}

.badge-text-title {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--color-ink);
}

.badge-text-sub {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-ink-secondary);
}

@keyframes subtleFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ==========================================================================
   Section Headers & Shared Layout
   ========================================================================== */
.section {
  padding: var(--space-9) 0;
  position: relative;
}

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

.section-bg-brand-soft {
  background: linear-gradient(180deg, var(--color-ground) 0%, #F5F1FB 100%);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-8);
}

.section-title {
  font-size: clamp(2rem, 3.2vw, 2.75rem);
  font-weight: 900;
  color: var(--color-brand);
  line-height: 1.18;
  letter-spacing: -0.025em;
  margin-bottom: var(--space-4);
}

.section-subtitle {
  font-size: clamp(1rem, 1.15vw, 1.125rem);
  color: var(--color-ink-secondary);
  line-height: 1.65;
  font-weight: 500;
}

/* ==========================================================================
   Problem -> Solution Section
   ========================================================================== */
.problem-solution-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin-top: var(--space-6);
}

.comparison-card {
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.comparison-card.problem-card {
  background: #FFF8F7;
  border-color: #F3D9D5;
}

.comparison-card.solution-card {
  background: #F8FBF9;
  border-color: #D3E8DC;
  box-shadow: var(--shadow-md);
}

.comparison-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.comparison-icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.problem-card .comparison-icon-box {
  background: #FCE8E6;
  color: #C04838;
}

.solution-card .comparison-icon-box {
  background: #E2F2E8;
  color: var(--color-accent-sage);
}

.comparison-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-ink);
}

.comparison-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.comparison-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: 0.96rem;
  color: var(--color-ink-secondary);
  line-height: 1.5;
}

.comparison-item svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
}

.problem-card .comparison-item svg {
  color: #C04838;
}

.solution-card .comparison-item svg {
  color: var(--color-accent-sage);
}

.comparison-item strong {
  color: var(--color-ink);
  font-weight: 700;
}

/* ==========================================================================
   Core Features (6 Actual Features with Real UI Assets)
   ========================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.feature-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all var(--duration-normal) var(--ease-gentle);
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-brand-border);
}

.feature-card-illustration {
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-ground);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-5);
  padding: var(--space-4);
  overflow: hidden;
  transition: background-color var(--duration-fast);
}

.feature-card:hover .feature-card-illustration {
  background: var(--color-brand-surface);
}

.feature-card-illustration img {
  max-height: 110px;
  object-fit: contain;
  transition: transform var(--duration-normal) var(--ease-gentle);
}

.feature-card:hover .feature-card-illustration img {
  transform: scale(1.05);
}

.feature-tag {
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-3);
  background: var(--color-brand-light);
  color: var(--color-brand);
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-brand);
  line-height: 1.25;
  margin-bottom: var(--space-3);
}

.feature-desc {
  font-size: 0.92rem;
  color: var(--color-ink-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-5);
  flex: 1;
}

.feature-specs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-light);
}

.spec-pill {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  font-weight: 500;
  background: var(--color-surface-subtle);
  color: var(--color-ink-secondary);
  padding: 3px 8px;
  border-radius: var(--radius-xs);
}

/* ==========================================================================
   AI Architecture Section (Technically Honest & Transparent)
   ========================================================================== */
.ai-architecture-container {
  background: #FFFFFF;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
}

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

.ai-pipeline-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.pipeline-step {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-ground);
  border: 1px solid var(--color-border-light);
  transition: all var(--duration-fast);
}

.pipeline-step:hover {
  background: #FFFFFF;
  box-shadow: var(--shadow-sm);
  border-color: var(--color-brand-border);
}

.step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-brand);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.82rem;
  font-weight: 800;
  flex-shrink: 0;
}

.step-content h4 {
  font-size: 1rem;
  font-weight: 800;
  color: var(--color-brand);
  margin-bottom: 2px;
}

.step-content p {
  font-size: 0.86rem;
  color: var(--color-ink-secondary);
  line-height: 1.45;
}

/* Interactive Symptom Checker Sandbox on Landing Page */
.ai-interactive-sandbox {
  background: var(--color-ground);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.sandbox-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.sandbox-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-brand);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.sandbox-badge {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  background: var(--color-accent-sage-bg);
  color: var(--color-accent-sage);
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
}

.symptom-category-pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.cat-pill {
  font-size: 0.8rem;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-ink-secondary);
  cursor: pointer;
  transition: all var(--duration-fast);
}

.cat-pill:hover, .cat-pill.active {
  background: var(--color-brand);
  color: #FFFFFF;
  border-color: var(--color-brand);
}

.symptom-checkbox-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: var(--space-5);
  background: #FFFFFF;
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  max-height: 160px;
  overflow-y: auto;
}

.symptom-checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--color-ink);
  cursor: pointer;
}

.symptom-checkbox-label input[type="checkbox"] {
  accent-color: var(--color-brand);
  width: 16px;
  height: 16px;
}

.sandbox-output-box {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  padding: var(--space-4);
  border: 1px solid var(--color-brand-border);
  box-shadow: var(--shadow-sm);
}

.prediction-result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-2);
}

.predicted-disease {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-brand);
}

.confidence-meter {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-accent-sage);
}

.gemini-explanation {
  font-size: 0.84rem;
  color: var(--color-ink-secondary);
  line-height: 1.5;
  border-top: 1px dashed var(--color-border);
  padding-top: var(--space-2);
  margin-top: var(--space-2);
}

/* ==========================================================================
   Product Showcase (Multiple Real Application Screens in Device Presentation)
   ========================================================================== */
.showcase-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
}

.showcase-tab-btn {
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-ink-secondary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: all var(--duration-fast);
}

.showcase-tab-btn:hover {
  border-color: var(--color-brand);
  color: var(--color-brand);
}

.showcase-tab-btn.active {
  background: var(--color-brand);
  color: #FFFFFF;
  border-color: var(--color-brand);
  box-shadow: var(--shadow-sm);
}

.showcase-screens-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  align-items: stretch;
  max-width: 920px;
  margin: 0 auto;
}

.showcase-device-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 18px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: all var(--duration-normal) var(--ease-gentle);
  overflow: hidden;
  box-sizing: border-box;
}

.showcase-device-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-brand-border);
}

.showcase-frame {
  width: 100%;
  max-width: 220px;
  background: #192734;
  border-radius: 22px;
  padding: 8px;
  margin-bottom: 14px;
  box-shadow: 0 4px 14px rgba(67, 44, 129, 0.08);
  border: 1px solid rgba(25, 39, 52, 0.12);
  position: relative;
  box-sizing: border-box;
}

.showcase-screen-wrap {
  border-radius: 14px;
  overflow: hidden;
  background: #FFFFFF;
  aspect-ratio: 1 / 1;
  width: 100%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
}

.showcase-screen-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  image-rendering: -webkit-optimize-contrast;
  transition: transform var(--duration-normal) var(--ease-gentle);
}

.showcase-device-card:hover .showcase-screen-wrap img {
  transform: scale(1.04);
}

.showcase-caption {
  text-align: center;
  padding: 0 4px;
}

.showcase-caption h4 {
  font-size: 0.98rem;
  font-weight: 800;
  color: var(--color-brand);
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.showcase-caption p {
  font-size: 0.82rem;
  color: var(--color-ink-secondary);
  line-height: 1.45;
}

/* ==========================================================================
   Privacy & Security Section (Honest Claims: IPFS + SHA-256 + 24h Sharing)
   ========================================================================== */
.privacy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: center;
}

.privacy-content h3 {
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--color-brand);
  line-height: 1.25;
  margin-bottom: var(--space-4);
}

.privacy-content p {
  font-size: 1rem;
  color: var(--color-ink-secondary);
  line-height: 1.65;
  margin-bottom: var(--space-6);
}

.security-points-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.security-point {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.security-point-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--color-brand-surface);
  color: var(--color-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.security-point-text h5 {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-ink);
  margin-bottom: 2px;
}

.security-point-text p {
  font-size: 0.9rem;
  color: var(--color-ink-secondary);
  line-height: 1.5;
  margin-bottom: 0;
}

/* Interactive Medical Vault Demo */
.medical-vault-demo-card {
  background: #FFFFFF;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
}

.vault-demo-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border-light);
}

.vault-title-group {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.vault-title-group svg {
  color: var(--color-brand);
}

.vault-title-group h4 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-brand);
}

.vault-record-item {
  background: var(--color-ground);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
  border: 1px solid var(--color-border);
}

.record-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2);
}

.record-name {
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--color-ink);
}

.record-date {
  font-size: 0.75rem;
  color: var(--color-ink-tertiary);
  font-family: var(--font-mono);
}

.record-hashes {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hash-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--color-ink-secondary);
}

.hash-label {
  font-weight: 700;
  color: var(--color-brand);
  width: 60px;
}

.hash-val {
  background: #FFFFFF;
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--color-border-light);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.share-code-generator-box {
  background: var(--color-brand-surface);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  border: 1px dashed var(--color-brand-border);
  text-align: center;
}

.share-code-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-brand);
  margin-bottom: var(--space-2);
}

.share-code-display {
  font-size: 1.8rem;
  font-weight: 900;
  letter-spacing: 0.25em;
  color: var(--color-brand);
  font-family: var(--font-mono);
  margin: var(--space-2) 0;
}

.share-code-timer {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-accent-sage);
}

/* ==========================================================================
   Emergency & Care Section (Distinct Urgent Emphasis)
   ========================================================================== */
.emergency-section-wrapper {
  background: linear-gradient(135deg, #FFF6F6 0%, #FDF1ED 100%);
  border-radius: var(--radius-xl);
  border: 2px solid var(--color-emergency-border);
  padding: var(--space-8);
  box-shadow: 0 16px 48px rgba(200, 70, 70, 0.08);
  position: relative;
  overflow: hidden;
}

.emergency-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.emergency-badge-banner {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 14px;
  background: #FEE8E8;
  color: var(--color-emergency);
  font-weight: 800;
  font-size: 0.82rem;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.emergency-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.emergency-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-emergency-border);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all var(--duration-fast);
}

.emergency-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-emergency);
}

.emergency-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.emergency-icon-circle {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.emergency-icon-circle.hospitals {
  background: #EDF7F0;
  color: var(--color-accent-sage);
}

.emergency-icon-circle.ambulance {
  background: #FFF3EB;
  color: var(--color-accent-warm);
}

.emergency-icon-circle.blood {
  background: #FEEAEA;
  color: var(--color-emergency);
}

.emergency-status-dot {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  background: #EDF7F0;
  color: var(--color-accent-sage);
}

.emergency-card h4 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-ink);
  margin-bottom: var(--space-2);
}

.emergency-card p {
  font-size: 0.9rem;
  color: var(--color-ink-secondary);
  line-height: 1.55;
  margin-bottom: var(--space-5);
  flex: 1;
}

.emergency-meta-box {
  background: #FAF8F6;
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  font-size: 0.8rem;
  color: var(--color-ink);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* ==========================================================================
   Medicine Tools Spotlight (Real medicine_recommendation.json integration)
   ========================================================================== */
.medicine-spotlight-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
  margin-top: var(--space-8);
}

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

.medicine-lookup-interface {
  background: var(--color-ground);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  border: 1px solid var(--color-border);
}

.lookup-search-bar {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.lookup-input {
  flex: 1;
  padding: 12px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  font-family: inherit;
  font-size: 0.92rem;
  background: #FFFFFF;
}

.lookup-input:focus {
  outline: 2px solid var(--color-brand);
}

.medicine-sample-chips {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.med-chip {
  font-size: 0.78rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all var(--duration-fast);
}

.med-chip:hover, .med-chip.active {
  background: var(--color-brand);
  color: #FFFFFF;
}

.medicine-detail-card {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  padding: var(--space-4);
  border: 1px solid var(--color-brand-border);
}

.med-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

.med-name {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-brand);
}

.med-otc-badge {
  font-size: 0.72rem;
  font-weight: 700;
  background: var(--color-accent-sage-bg);
  color: var(--color-accent-sage);
  padding: 3px 8px;
  border-radius: var(--radius-pill);
}

.med-info-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.85rem;
}

.med-info-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}

.med-info-row strong {
  min-width: 90px;
  color: var(--color-ink);
}

.med-info-row span {
  color: var(--color-ink-secondary);
}

/* ==========================================================================
   Final Call To Action
   ========================================================================== */
.final-cta-section {
  padding: var(--space-10) 0;
  position: relative;
}

.final-cta-card {
  background: linear-gradient(135deg, #432C81 0%, #301E63 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-9) var(--space-6);
  color: #FFFFFF;
  text-align: center;
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}

.final-cta-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(230, 138, 92, 0.25) 0%, rgba(67, 44, 129, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
}

.final-cta-content {
  max-width: 680px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.final-cta-title {
  font-size: clamp(2.2rem, 3.8vw, 3.2rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin-bottom: var(--space-4);
}

.final-cta-subtitle {
  font-size: clamp(1.05rem, 1.25vw, 1.2rem);
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.65;
  margin-bottom: var(--space-6);
}

.final-cta-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.final-cta-meta {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.65);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: #F7EFE6;
  border-top: 1px solid var(--color-border);
  padding: var(--space-9) 0 var(--space-6);
  color: var(--color-ink-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.footer-brand-col p {
  font-size: 0.92rem;
  line-height: 1.6;
  margin-top: var(--space-3);
  margin-bottom: var(--space-4);
}

.college-badge {
  background: rgba(67, 44, 129, 0.08);
  border: 1px solid rgba(67, 44, 129, 0.15);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-brand);
  line-height: 1.4;
}

.footer-col h5 {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--color-brand);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--color-ink-secondary);
  transition: color var(--duration-fast);
}

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

.team-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: 0.9rem;
}

.team-member {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.team-member a {
  font-weight: 700;
  color: var(--color-brand);
}

.footer-bottom {
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: 0.85rem;
}

/* ==========================================================================
   Motion & Scroll Reveal Effects
   ========================================================================== */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--duration-slow) var(--ease-entrance),
              transform var(--duration-slow) var(--ease-entrance);
  will-change: opacity, transform;
}

.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays */
.delay-1 { transition-delay: 100ms; }
.delay-2 { transition-delay: 200ms; }
.delay-3 { transition-delay: 300ms; }
.delay-4 { transition-delay: 400ms; }

/* ==========================================================================
   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;
    scroll-behavior: auto !important;
  }

  .reveal-on-scroll {
    opacity: 1 !important;
    transform: none !important;
  }

  .phone-mockup:hover,
  .feature-card:hover,
  .showcase-device-card:hover,
  .btn:hover {
    transform: none !important;
  }
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-8);
  }

  .hero-content {
    max-width: 100%;
    margin: 0 auto;
  }

  .hero-cta-group {
    justify-content: center;
  }

  .hero-trust-indicators {
    justify-content: center;
  }

  .hero-visual {
    margin-top: var(--space-4);
  }

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

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

  .ai-grid,
  .privacy-grid,
  .medicine-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 56px;
  }

  .site-header {
    top: 8px;
    padding: 0 12px;
  }

  .nav-container {
    height: 56px;
    padding: 4px 12px 4px 14px;
  }

  .site-nav.nav-pill {
    display: none;
  }

  .site-nav.nav-pill.is-open {
    display: flex;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: rgba(253, 249, 244, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 16px 36px rgba(67, 44, 129, 0.12);
    padding: 14px;
    z-index: 600;
  }

  .site-nav.nav-pill.is-open .nav-links {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 6px;
  }

  .site-nav.nav-pill.is-open .nav-item a {
    width: 100%;
    justify-content: flex-start;
    padding: 10px 16px;
    font-size: 0.95rem;
  }

  .nav-actions .btn {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .problem-solution-grid {
    grid-template-columns: 1fr;
  }

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

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

  .showcase-screens-container {
    grid-template-columns: 1fr;
    max-width: 360px;
    margin: 0 auto;
  }

  .hero-badge-tag {
    display: none; /* Hide floating tags on small screens for clean viewport */
  }

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