/* ==========================================================================
   PRORISKI.RU — DESIGN SYSTEM & BASE STYLES
   Dark Technical Palette: Charcoal, Steel, Emergency MCHS Red Accent
   Fluid Typography, Animated CSS Mesh Gradient (@property + Houdini)
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Houdini @property definitions for smooth mesh gradient animations
   -------------------------------------------------------------------------- */
@property --mesh-pos-1-x {
  syntax: '<percentage>';
  inherits: false;
  initial-value: 20%;
}

@property --mesh-pos-1-y {
  syntax: '<percentage>';
  inherits: false;
  initial-value: 15%;
}

@property --mesh-pos-2-x {
  syntax: '<percentage>';
  inherits: false;
  initial-value: 85%;
}

@property --mesh-pos-2-y {
  syntax: '<percentage>';
  inherits: false;
  initial-value: 30%;
}

@property --mesh-pos-3-x {
  syntax: '<percentage>';
  inherits: false;
  initial-value: 45%;
}

@property --mesh-pos-3-y {
  syntax: '<percentage>';
  inherits: false;
  initial-value: 80%;
}

@property --mesh-red-opacity {
  syntax: '<number>';
  inherits: false;
  initial-value: 0.22;
}

/* --------------------------------------------------------------------------
   Root Design Tokens: Dark Technical System
   -------------------------------------------------------------------------- */
:root {
  /* Charcoal / Carbon Palette */
  --color-charcoal-950: #07090D;
  --color-charcoal-900: #0B0F15;
  --color-charcoal-850: #10151E;
  --color-charcoal-800: #161D29;
  --color-charcoal-750: #1A2332;
  --color-charcoal-700: #1E2837;
  --color-charcoal-600: #2D394B;

  /* Steel / Technical Palette */
  --color-steel-50:  #F8FAFC;
  --color-steel-100: #F1F5F9;
  --color-steel-200: #E2E8F0;
  --color-steel-300: #CBD5E1;
  --color-steel-400: #94A3B8;
  --color-steel-500: #64748B;
  --color-steel-600: #475569;
  --color-steel-700: #334155;

  /* MCHS Emergency Red Accent */
  --color-mchs-red:       #E11D48;
  --color-mchs-red-light: #F43F5E;
  --color-mchs-red-hover: #FB7185;
  --color-mchs-red-dark:  #BE123C;
  --color-mchs-red-glow:  rgba(225, 29, 72, 0.4);
  --color-mchs-red-subtle: rgba(225, 29, 72, 0.12);

  /* Auxiliary Technical Accents */
  --color-tech-amber: #F59E0B;
  --color-tech-amber-glow: rgba(245, 158, 11, 0.25);
  --color-tech-cyan: #0EA5E9;
  --color-tech-cyan-glow: rgba(14, 165, 233, 0.25);
  --color-tech-emerald: #10B981;
  --color-tech-emerald-glow: rgba(16, 185, 129, 0.25);

  /* Functional UI Aliases */
  --bg-app: var(--color-charcoal-950);
  --bg-surface: var(--color-charcoal-900);
  --bg-surface-elevated: var(--color-charcoal-850);
  --bg-surface-card: var(--color-charcoal-800);
  --bg-surface-glass: rgba(11, 15, 21, 0.85);

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.16);
  --border-strong: rgba(255, 255, 255, 0.25);
  --border-accent: rgba(225, 29, 72, 0.45);

  --text-primary: var(--color-steel-100);
  --text-secondary: var(--color-steel-300);
  --text-muted: var(--color-steel-400);
  --text-dim: var(--color-steel-500);

  /* Fluid Typography */
  --font-size-xs:   clamp(0.75rem, 0.72rem + 0.15vw, 0.8125rem);
  --font-size-sm:   clamp(0.8125rem, 0.78rem + 0.2vw, 0.9375rem);
  --font-size-base: clamp(0.9375rem, 0.9rem + 0.25vw, 1.0625rem);
  --font-size-md:   clamp(1.0625rem, 1rem + 0.35vw, 1.25rem);
  --font-size-lg:   clamp(1.25rem, 1.15rem + 0.6vw, 1.5rem);
  --font-size-xl:   clamp(1.5rem, 1.35rem + 0.9vw, 2rem);
  --font-size-2xl:  clamp(1.875rem, 1.6rem + 1.4vw, 2.65rem);
  --font-size-hero: clamp(2.25rem, 1.8rem + 2.2vw, 3.6rem);

  /* Typography Families */
  --font-family-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-family-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', Menlo, Consolas, Monaco, monospace;

  /* Spacing Scale */
  --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;

  /* Layout */
  --container-max-width: 1260px;
  --container-padding: clamp(1rem, 3.5vw, 2rem);
  --header-height: 4.5rem;
  --border-radius-sm: 6px;
  --border-radius-md: 10px;
  --border-radius-lg: 16px;
  --border-radius-xl: 24px;
  --border-radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Shadows */
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.6), 0 0 0 1px var(--border-subtle);
  --shadow-card-hover: 0 20px 40px -15px rgba(0, 0, 0, 0.8), 0 0 24px -4px var(--color-mchs-red-glow), 0 0 0 1px var(--border-medium);
  --shadow-glow-red: 0 0 35px -5px var(--color-mchs-red-glow);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1rem);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: var(--bg-app);
  color: var(--text-primary);
  color-scheme: dark;
}

body {
  font-family: var(--font-family-sans);
  font-size: var(--font-size-base);
  line-height: 1.6;
  background-color: var(--bg-app);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  position: relative;
}

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

button {
  border: none;
  background: none;
  cursor: pointer;
}

::selection {
  background-color: var(--color-mchs-red);
  color: #FFFFFF;
}

:focus-visible {
  outline: 2px solid var(--color-mchs-red-light);
  outline-offset: 3px;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* Technical grid background pattern */
.tech-grid-bg {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 1;
}

/* --------------------------------------------------------------------------
   Layout Containers
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-inline: auto;
  padding-inline: var(--container-padding);
  position: relative;
  z-index: 2;
}

/* --------------------------------------------------------------------------
   Header & Navigation
   -------------------------------------------------------------------------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background-color: var(--bg-surface-glass);
  border-bottom: 1px solid var(--border-subtle);
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: background-color var(--transition-normal);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: var(--space-4);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--color-mchs-red) 0%, var(--color-mchs-red-dark) 100%);
  border-radius: var(--border-radius-sm);
  color: #fff;
  font-weight: 800;
  font-family: var(--font-family-mono);
  box-shadow: 0 0 16px var(--color-mchs-red-glow);
  position: relative;
}

.brand-badge::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.brand-title-group {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-steel-50);
  display: flex;
  align-items: center;
  gap: 2px;
}

.brand-name span {
  color: var(--color-mchs-red-light);
}

.brand-caption {
  font-size: 0.6875rem;
  color: var(--color-steel-400);
  font-family: var(--font-family-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  list-style: none;
}

.nav-link {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  font-weight: 500;
  padding: 0.35rem 0.5rem;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-steel-50);
  background: rgba(255, 255, 255, 0.05);
}

.header-aside {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-shrink: 0;
}

.header-status {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  color: var(--color-steel-300);
  background: rgba(255, 255, 255, 0.04);
  padding: 0.35rem 0.75rem;
  border-radius: var(--border-radius-full);
  border: 1px solid var(--border-subtle);
  white-space: nowrap;
}

.status-indicator {
  width: 7px;
  height: 7px;
  background-color: var(--color-tech-emerald);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--color-tech-emerald);
  animation: pulse-dot 2.5s infinite ease-in-out;
}

.header-phone {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-steel-100);
  padding: 0.45rem 0.75rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.header-phone:hover {
  color: #FFFFFF;
  border-color: var(--border-medium);
  background: rgba(255, 255, 255, 0.07);
}

.header-phone-icon {
  width: 14px;
  height: 14px;
  color: var(--color-mchs-red-light);
}

.header-cta-btn {
  padding: 0.55rem 1.15rem;
  font-size: var(--font-size-xs);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 42px;
  height: 42px;
  border-radius: var(--border-radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  gap: 5px;
}

.burger-bar {
  width: 20px;
  height: 2px;
  background-color: var(--color-steel-100);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* --------------------------------------------------------------------------
   Animated CSS Mesh Gradient Hero Section
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  min-height: calc(100vh - var(--header-height));
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: clamp(2.5rem, 5vw, 4.5rem);
  overflow: hidden;
}

.hero-mesh-background {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-color: var(--color-charcoal-950);
  background-image: 
    radial-gradient(
      circle at var(--mesh-pos-1-x) var(--mesh-pos-1-y),
      rgba(225, 29, 72, var(--mesh-red-opacity)) 0%,
      transparent 55%
    ),
    radial-gradient(
      circle at var(--mesh-pos-2-x) var(--mesh-pos-2-y),
      rgba(30, 58, 138, 0.32) 0%,
      transparent 60%
    ),
    radial-gradient(
      circle at var(--mesh-pos-3-x) var(--mesh-pos-3-y),
      rgba(14, 165, 233, 0.16) 0%,
      transparent 50%
    ),
    radial-gradient(
      ellipse 80% 60% at 50% -10%,
      rgba(37, 99, 235, 0.12) 0%,
      transparent 80%
    );
  animation: mesh-flow 18s ease-in-out infinite alternate;
  transform: translateZ(0);
}

.hero-mesh-background::after {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 50% 50%, transparent 40%, rgba(7, 9, 13, 0.85) 100%),
    linear-gradient(to bottom, transparent 65%, var(--bg-app) 100%);
  pointer-events: none;
}

@keyframes mesh-flow {
  0% {
    --mesh-pos-1-x: 20%;
    --mesh-pos-1-y: 18%;
    --mesh-pos-2-x: 82%;
    --mesh-pos-2-y: 28%;
    --mesh-pos-3-x: 48%;
    --mesh-pos-3-y: 82%;
    --mesh-red-opacity: 0.26;
  }
  33% {
    --mesh-pos-1-x: 35%;
    --mesh-pos-1-y: 40%;
    --mesh-pos-2-x: 70%;
    --mesh-pos-2-y: 15%;
    --mesh-pos-3-x: 60%;
    --mesh-pos-3-y: 70%;
    --mesh-red-opacity: 0.32;
  }
  66% {
    --mesh-pos-1-x: 18%;
    --mesh-pos-1-y: 35%;
    --mesh-pos-2-x: 85%;
    --mesh-pos-2-y: 45%;
    --mesh-pos-3-x: 35%;
    --mesh-pos-3-y: 85%;
    --mesh-red-opacity: 0.22;
  }
  100% {
    --mesh-pos-1-x: 28%;
    --mesh-pos-1-y: 15%;
    --mesh-pos-2-x: 75%;
    --mesh-pos-2-y: 32%;
    --mesh-pos-3-x: 52%;
    --mesh-pos-3-y: 78%;
    --mesh-red-opacity: 0.30;
  }
}

/* 2-Column Hero Grid */
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: clamp(2rem, 4vw, 3.5rem);
  position: relative;
  z-index: 2;
}

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

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  align-self: flex-start;
  padding: 0.4rem 0.95rem;
  border-radius: var(--border-radius-full);
  background: rgba(225, 29, 72, 0.1);
  border: 1px solid rgba(225, 29, 72, 0.35);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  color: var(--color-mchs-red-light);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.hero-pill-icon {
  width: 14px;
  height: 14px;
}

.hero-title {
  font-size: var(--font-size-hero);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.035em;
  color: var(--color-steel-50);
}

.hero-title .text-gradient-red {
  background: linear-gradient(120deg, #FFFFFF 0%, var(--color-steel-100) 40%, var(--color-mchs-red-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: var(--font-size-base);
  line-height: 1.65;
  color: var(--text-secondary);
}

.hero-trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.trust-badge-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.45rem 0.85rem;
  border-radius: var(--border-radius-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  font-size: var(--font-size-xs);
  font-family: var(--font-family-mono);
  color: var(--color-steel-300);
}

.trust-icon {
  width: 15px;
  height: 15px;
  color: var(--color-mchs-red-light);
}

/* --------------------------------------------------------------------------
   Lead Capture Card (CRO Core Form)
   -------------------------------------------------------------------------- */
.hero-form-wrapper {
  position: relative;
  z-index: 2;
}

.lead-form-card {
  background: linear-gradient(145deg, rgba(22, 29, 41, 0.95) 0%, rgba(16, 21, 30, 0.98) 100%);
  border: 1px solid var(--border-medium);
  border-radius: var(--border-radius-xl);
  padding: clamp(1.5rem, 2.8vw, 2.25rem);
  box-shadow: 0 20px 50px -15px rgba(0, 0, 0, 0.7), 0 0 30px -10px var(--color-mchs-red-glow);
  position: relative;
  overflow: hidden;
}

.lead-form-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-mchs-red), transparent);
}

.form-header {
  margin-bottom: var(--space-5);
}

.form-tag {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  color: var(--color-mchs-red-light);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-1);
}

.form-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-steel-50);
  line-height: 1.25;
  margin-bottom: var(--space-2);
}

.form-subtitle {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  line-height: 1.45;
}

.lead-capture-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.form-label {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-steel-300);
}

.input-with-icon {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 1rem;
  width: 17px;
  height: 17px;
  color: var(--color-steel-400);
  pointer-events: none;
  transition: color var(--transition-fast);
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.6rem;
  background-color: rgba(7, 9, 13, 0.7);
  border: 1px solid var(--border-medium);
  border-radius: var(--border-radius-md);
  color: var(--color-steel-100);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.form-input::placeholder {
  color: var(--color-steel-500);
}

.form-input:focus {
  border-color: var(--color-mchs-red);
  background-color: rgba(7, 9, 13, 0.9);
  box-shadow: 0 0 0 3px var(--color-mchs-red-subtle);
  outline: none;
}

.input-with-icon:focus-within .input-icon {
  color: var(--color-mchs-red-light);
}

.form-select {
  appearance: none;
  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='%2394A3B8' 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 1rem center;
  background-size: 16px;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-select option {
  background-color: var(--color-charcoal-900);
  color: var(--color-steel-100);
}

/* File Upload Trigger */
.file-upload-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.65rem 0.9rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px dashed var(--border-medium);
  border-radius: var(--border-radius-md);
  color: var(--color-steel-300);
  font-size: var(--font-size-xs);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.file-upload-label:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--border-strong);
  color: var(--color-steel-100);
}

.upload-icon {
  width: 16px;
  height: 16px;
  color: var(--color-mchs-red-light);
  flex-shrink: 0;
}

.file-text-status {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Consent Checkbox */
.form-agreement {
  margin-top: 2px;
}

.checkbox-container {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  cursor: pointer;
  font-size: 0.75rem;
  color: var(--color-steel-400);
  line-height: 1.4;
  position: relative;
}

.checkbox-container input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}

.custom-checkbox {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  background-color: rgba(7, 9, 13, 0.8);
  border: 1px solid var(--border-medium);
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
  transition: all var(--transition-fast);
}

.checkbox-container input:checked ~ .custom-checkbox {
  background-color: var(--color-mchs-red);
  border-color: var(--color-mchs-red);
}

.checkbox-container input:checked ~ .custom-checkbox::after {
  content: '';
  width: 4px;
  height: 8px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
  margin-bottom: 2px;
}

.checkbox-container input:focus-visible ~ .custom-checkbox {
  outline: 2px solid var(--color-mchs-red-light);
  outline-offset: 2px;
}

.agreement-text a {
  color: var(--color-steel-300);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.agreement-text a:hover {
  color: var(--color-steel-50);
}

/* Lead Submit Button */
.btn-submit-lead {
  width: 100%;
  padding: 0.95rem 1.5rem;
  font-size: var(--font-size-base);
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-top: var(--space-2);
}

.form-security-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: 0.6875rem;
  font-family: var(--font-family-mono);
  color: var(--color-steel-400);
}

.lock-icon {
  width: 12px;
  height: 12px;
  color: var(--color-tech-emerald);
}

/* --------------------------------------------------------------------------
   Buttons System
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.8rem 1.6rem;
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-normal);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-mchs-red) 0%, var(--color-mchs-red-dark) 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 18px -2px var(--color-mchs-red-glow), 0 0 0 1px rgba(255, 255, 255, 0.15) inset;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-mchs-red-light) 0%, var(--color-mchs-red) 100%);
  box-shadow: 0 8px 24px -2px var(--color-mchs-red-glow), 0 0 0 1px rgba(255, 255, 255, 0.25) inset;
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-surface-elevated);
  color: var(--color-steel-200);
  border: 1px solid var(--border-medium);
}

.btn-secondary:hover {
  background: var(--color-charcoal-700);
  color: var(--color-steel-50);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

.btn-icon {
  width: 17px;
  height: 17px;
  transition: transform var(--transition-fast);
}

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

/* --------------------------------------------------------------------------
   Telemetry Strip
   -------------------------------------------------------------------------- */
.hero-telemetry-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-10);
  padding: var(--space-5);
  background: rgba(16, 21, 30, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-subtle);
}

.telemetry-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: var(--space-2) var(--space-4);
  border-left: 2px solid var(--color-charcoal-700);
  transition: border-color var(--transition-fast);
}

.telemetry-item:hover {
  border-left-color: var(--color-mchs-red);
}

.telemetry-label {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.telemetry-value {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-steel-100);
}

.telemetry-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   Section Common Styles
   -------------------------------------------------------------------------- */
section {
  padding-block: clamp(3.5rem, 7vw, 6rem);
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--border-subtle);
}

.section-header {
  max-width: 780px;
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}

.section-eyebrow {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  color: var(--color-mchs-red-light);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}

.section-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--color-steel-50);
  line-height: 1.2;
  margin-bottom: var(--space-3);
}

.section-description {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   SLIDE 2: Advantages / Social Proof
   -------------------------------------------------------------------------- */
.grid-advantages {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.adv-card {
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--border-radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.adv-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, transparent, transparent);
  transition: background var(--transition-normal);
}

.adv-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-medium);
  box-shadow: var(--shadow-card-hover);
}

.adv-card:hover::before {
  background: linear-gradient(90deg, transparent, var(--color-mchs-red), transparent);
}

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

.adv-icon-box {
  width: 46px;
  height: 46px;
  border-radius: var(--border-radius-md);
  background: rgba(225, 29, 72, 0.1);
  border: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-mchs-red-light);
  transition: all var(--transition-normal);
}

.adv-icon-box svg {
  width: 22px;
  height: 22px;
}

.adv-card:hover .adv-icon-box {
  background: var(--color-mchs-red);
  color: #FFFFFF;
  box-shadow: 0 0 16px var(--color-mchs-red-glow);
}

.adv-badge {
  font-family: var(--font-family-mono);
  font-size: 0.6875rem;
  padding: 0.25rem 0.6rem;
  border-radius: var(--border-radius-full);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--color-steel-300);
  text-transform: uppercase;
}

.adv-title {
  font-size: var(--font-size-md);
  font-weight: 700;
  color: var(--color-steel-50);
  margin-bottom: var(--space-2);
}

.adv-text {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: var(--space-4);
}

.adv-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-subtle);
}

.adv-list li {
  font-size: var(--font-size-xs);
  color: var(--color-steel-300);
  position: relative;
  padding-left: 1.25rem;
}

.adv-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-mchs-red-light);
}

/* --------------------------------------------------------------------------
   SLIDE 3: Services Section
   -------------------------------------------------------------------------- */
.grid-services {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: var(--space-6);
}

.service-card {
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--border-radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-medium);
  box-shadow: var(--shadow-card-hover);
}

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

.service-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-mchs-red-light);
  transition: all var(--transition-fast);
}

.service-icon svg {
  width: 22px;
  height: 22px;
}

.service-card:hover .service-icon {
  background: var(--color-mchs-red-subtle);
  border-color: var(--color-mchs-red);
}

.service-code {
  font-family: var(--font-family-mono);
  font-size: 0.6875rem;
  color: var(--text-dim);
}

.service-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-steel-50);
  margin-bottom: var(--space-2);
}

.service-desc {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: var(--space-4);
}

.service-points {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  flex-grow: 1;
}

.point-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--color-steel-300);
}

.point-check {
  color: var(--color-tech-emerald);
  font-weight: 700;
  flex-shrink: 0;
}

.service-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-subtle);
  gap: var(--space-2);
}

.service-tag {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  color: var(--text-dim);
}

.service-cta-btn {
  padding: 0.45rem 0.95rem;
  font-size: var(--font-size-xs);
}

/* Regulatory strip */
.compliance-banner {
  margin-top: var(--space-12);
  padding: var(--space-6) var(--space-8);
  border-radius: var(--border-radius-lg);
  background: linear-gradient(135deg, var(--color-charcoal-850) 0%, var(--color-charcoal-900) 100%);
  border: 1px solid var(--border-medium);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.compliance-info {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.compliance-badge-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius-sm);
  background: rgba(225, 29, 72, 0.15);
  border: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-mchs-red-light);
  flex-shrink: 0;
}

.compliance-text h4 {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-steel-50);
}

.compliance-text p {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.compliance-pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.std-pill {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  padding: 0.35rem 0.65rem;
  border-radius: var(--border-radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--color-steel-300);
}

/* --------------------------------------------------------------------------
   SLIDE 4: Case Studies Section
   -------------------------------------------------------------------------- */
.cases-wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.case-card {
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--border-radius-xl);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.case-card:hover {
  border-color: var(--border-medium);
  box-shadow: var(--shadow-card-hover);
}

.case-meta-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
}

.case-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.35rem 0.75rem;
  border-radius: var(--border-radius-full);
  background: rgba(225, 29, 72, 0.12);
  border: 1px solid var(--border-accent);
  color: var(--color-mchs-red-light);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
}

.case-badge-icon {
  width: 14px;
  height: 14px;
}

.case-id {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  color: var(--text-dim);
}

.case-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.85fr;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  align-items: start;
}

.case-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-steel-50);
  line-height: 1.25;
  margin-bottom: var(--space-5);
}

.case-block {
  margin-bottom: var(--space-4);
}

.case-subtitle {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-steel-200);
  text-transform: uppercase;
  font-family: var(--font-family-mono);
  letter-spacing: 0.04em;
  margin-bottom: var(--space-1);
}

.case-text {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

.case-stats-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  background: rgba(7, 9, 13, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--border-radius-lg);
  padding: var(--space-5);
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.stat-number {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--color-steel-50);
  font-family: var(--font-family-mono);
  letter-spacing: -0.02em;
}

.text-accent-red {
  color: var(--color-mchs-red-light) !important;
}

.stat-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.35;
}

.case-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border-subtle);
}

.case-result-badge {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  color: var(--color-tech-emerald);
}

/* --------------------------------------------------------------------------
   SLIDE 5: Licenses & Work Process
   -------------------------------------------------------------------------- */
.grid-licenses {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-16);
}

.license-box {
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--border-radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: all var(--transition-fast);
}

.license-box:hover {
  border-color: var(--border-medium);
  transform: translateY(-2px);
}

.lic-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius-md);
  background: rgba(225, 29, 72, 0.1);
  border: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-mchs-red-light);
}

.lic-icon svg {
  width: 22px;
  height: 22px;
}

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

.lic-reg {
  font-family: var(--font-family-mono);
  font-size: 0.6875rem;
  color: var(--text-dim);
}

.lic-title {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-steel-50);
}

.lic-desc {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  line-height: 1.5;
}

.lic-status {
  font-family: var(--font-family-mono);
  font-size: 0.6875rem;
  color: var(--color-tech-emerald);
  margin-top: auto;
  padding-top: var(--space-2);
}

/* Process Timeline */
.process-wrapper {
  margin-top: var(--space-12);
}

.timeline-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-4);
  position: relative;
}

.step-card {
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--border-radius-lg);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: all var(--transition-fast);
  position: relative;
}

.step-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-3px);
}

.step-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.step-number {
  font-family: var(--font-family-mono);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-mchs-red-light);
  line-height: 1;
}

.step-time {
  font-family: var(--font-family-mono);
  font-size: 0.6875rem;
  padding: 0.2rem 0.5rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius-full);
  color: var(--color-steel-300);
}

.step-title {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-steel-50);
  line-height: 1.3;
}

.step-text {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  line-height: 1.5;
}

.step-tag {
  font-family: var(--font-family-mono);
  font-size: 0.6875rem;
  color: var(--text-dim);
  margin-top: auto;
  padding-top: var(--space-2);
  border-top: 1px solid var(--border-subtle);
}

/* --------------------------------------------------------------------------
   SLIDE 6: Bottom Form Section
   -------------------------------------------------------------------------- */
.section-bottom-form {
  background: linear-gradient(180deg, var(--bg-app) 0%, rgba(16, 21, 30, 0.6) 100%);
}

.bottom-form-card {
  background: linear-gradient(145deg, var(--color-charcoal-850) 0%, var(--color-charcoal-900) 100%);
  border: 1px solid var(--border-medium);
  border-radius: var(--border-radius-xl);
  padding: clamp(2rem, 4vw, 3.5rem);
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.8), 0 0 30px -10px var(--color-mchs-red-glow);
  position: relative;
  overflow: hidden;
}

.bottom-form-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-mchs-red), transparent);
}

.bottom-form-header {
  max-width: 820px;
  margin-bottom: var(--space-8);
}

.bottom-form-title {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-steel-50);
  line-height: 1.2;
  margin-block: var(--space-2) var(--space-3);
}

.bottom-form-desc {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: 1.6;
}

.bottom-form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.bottom-form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--border-subtle);
}

.btn-bottom-cta {
  padding: 0.95rem 2.2rem;
  font-size: var(--font-size-base);
  font-weight: 700;
}

.bottom-guarantees-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  margin-top: var(--space-6);
}

.guarantee-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  font-family: var(--font-family-mono);
  color: var(--color-steel-300);
}

.dot-accent {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-tech-emerald);
}

/* --------------------------------------------------------------------------
   SLIDE 7: Footer
   -------------------------------------------------------------------------- */
.footer {
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  background-color: var(--color-charcoal-950);
  padding-block: var(--space-16) var(--space-8);
  position: relative;
  z-index: 2;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.1fr 2fr;
  gap: clamp(2rem, 5vw, 4rem);
  margin-bottom: var(--space-12);
}

.footer-brand-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-desc {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  line-height: 1.6;
}

.footer-license-meta {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  color: var(--text-dim);
  line-height: 1.5;
}

.footer-links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-8);
}

.footer-col h5 {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  color: var(--color-steel-400);
  margin-bottom: var(--space-4);
  letter-spacing: 0.06em;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-col a {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--color-steel-50);
}

.contacts-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3) !important;
}

.contacts-list li {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.contact-label {
  font-size: 0.6875rem;
  font-family: var(--font-family-mono);
  color: var(--text-dim);
  text-transform: uppercase;
}

.contact-value-phone {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-steel-50);
  font-family: var(--font-family-mono);
}

.contact-value-phone:hover {
  color: var(--color-mchs-red-light);
}

.contact-value {
  font-size: var(--font-size-sm);
  color: var(--color-steel-200);
}

.contact-text {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  line-height: 1.4;
}

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

.footer-legal-links {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-family-mono);
}

.legal-link {
  color: var(--color-steel-400);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.legal-link:hover {
  color: var(--color-steel-100);
}

/* --------------------------------------------------------------------------
   Mobile Sticky CTA Bar
   -------------------------------------------------------------------------- */
.mobile-sticky-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  background: rgba(11, 15, 21, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border-medium);
  padding: 0.65rem var(--container-padding);
  box-shadow: 0 -10px 25px rgba(0, 0, 0, 0.5);
  transform: translateY(0);
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.mobile-sticky-cta.hidden-by-scroll {
  transform: translateY(100%);
  opacity: 0;
  pointer-events: none;
}

.sticky-cta-content {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  max-width: 500px;
  margin-inline: auto;
}

.sticky-phone-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: var(--border-radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-medium);
  color: var(--color-mchs-red-light);
  flex-shrink: 0;
}

.sticky-phone-btn svg {
  width: 20px;
  height: 20px;
}

.sticky-main-cta {
  flex-grow: 1;
  padding: 0.75rem 1rem;
  font-size: var(--font-size-sm);
  font-weight: 700;
}

/* --------------------------------------------------------------------------
   Accessible Modal Window
   -------------------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-overlay[hidden] {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(7, 9, 13, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.modal-container {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 540px;
  background: linear-gradient(145deg, var(--color-charcoal-850) 0%, var(--color-charcoal-900) 100%);
  border: 1px solid var(--border-medium);
  border-radius: var(--border-radius-xl);
  padding: clamp(1.5rem, 3.5vw, 2.25rem);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.9), 0 0 35px var(--color-mchs-red-glow);
  max-height: 90vh;
  overflow-y: auto;
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 36px;
  height: 36px;
  border-radius: var(--border-radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--color-steel-300);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
}

.modal-close-btn svg {
  width: 18px;
  height: 18px;
}

.modal-header {
  margin-bottom: var(--space-5);
  padding-right: 2.5rem;
}

.modal-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-steel-50);
  margin-block: var(--space-1) var(--space-2);
}

.modal-subtitle {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

.modal-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* --------------------------------------------------------------------------
   Scroll-Reveal Animations
   -------------------------------------------------------------------------- */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

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

/* Modern CSS view timeline when supported */
@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .reveal-on-scroll {
      animation: reveal-view-timeline ease forwards;
      animation-timeline: view();
      animation-range: entry 10% cover 30%;
    }

    @keyframes reveal-view-timeline {
      from {
        opacity: 0;
        transform: translateY(30px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }
  }
}

/* --------------------------------------------------------------------------
   Subpages Style (Privacy & Thanks)
   -------------------------------------------------------------------------- */
.subpage-hero {
  padding-block: clamp(3rem, 6vw, 5rem);
  border-bottom: 1px solid var(--border-subtle);
  background: radial-gradient(circle at 50% 0%, rgba(225, 29, 72, 0.08) 0%, transparent 60%);
}

.subpage-content-wrapper {
  padding-block: var(--space-12) var(--space-20);
}

.legal-article-card {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--border-radius-xl);
  padding: clamp(1.75rem, 4vw, 3.5rem);
  box-shadow: var(--shadow-card);
}

.legal-section {
  margin-bottom: var(--space-8);
}

.legal-section h3 {
  font-size: var(--font-size-md);
  font-weight: 700;
  color: var(--color-steel-50);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--border-subtle);
}

.legal-section p, .legal-section ul {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.7;
}

.legal-section ul {
  margin-left: 1.5rem;
  margin-top: var(--space-2);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

/* Thanks page card */
.thanks-card {
  max-width: 680px;
  margin-inline: auto;
  text-align: center;
  background: linear-gradient(145deg, var(--color-charcoal-850) 0%, var(--color-charcoal-900) 100%);
  border: 1px solid var(--border-medium);
  border-radius: var(--border-radius-xl);
  padding: clamp(2rem, 5vw, 4rem);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 35px var(--color-mchs-red-glow);
}

.thanks-icon-box {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.15);
  border: 2px solid var(--color-tech-emerald);
  color: var(--color-tech-emerald);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  box-shadow: 0 0 25px var(--color-tech-emerald-glow);
}

.thanks-icon-box svg {
  width: 36px;
  height: 36px;
}

.thanks-title {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-steel-50);
  margin-bottom: var(--space-3);
}

.thanks-text {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-6);
}

.thanks-details-box {
  background: rgba(7, 9, 13, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--border-radius-lg);
  padding: var(--space-5);
  margin-bottom: var(--space-8);
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  color: var(--color-steel-300);
}

.thanks-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
}

/* --------------------------------------------------------------------------
   Keyframe Animations & Media Queries
   -------------------------------------------------------------------------- */
@keyframes pulse-dot {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.45;
    transform: scale(0.85);
  }
}

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

@media (max-width: 860px) {
  .header-status {
    display: none;
  }
  .header-cta-btn {
    display: none;
  }
  .mobile-menu-toggle {
    display: flex;
  }
  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--bg-surface-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-medium);
    padding: var(--space-6) var(--container-padding);
    transform: translateY(-120%);
    transition: transform var(--transition-normal);
    z-index: 99;
  }
  .main-nav.is-open {
    transform: translateY(0);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.7);
  }
  .nav-links {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
    width: 100%;
  }
  .nav-link {
    width: 100%;
    padding: 0.6rem 0.8rem;
    font-size: var(--font-size-base);
  }
  .mobile-sticky-cta {
    display: block;
  }
  body {
    padding-bottom: 60px; /* Space for sticky bar */
  }
}

@media (max-width: 640px) {
  .header-phone .phone-number {
    display: none;
  }
  .header-phone {
    padding: 0.55rem;
  }
  .case-stats-panel {
    grid-template-columns: 1fr;
  }
  .bottom-form-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .btn-bottom-cta {
    width: 100%;
  }
}

.form-submit-status {
  width: 100%;
  margin: var(--space-3) 0 0;
  color: var(--color-mchs-red-light);
  font-size: var(--font-size-sm);
  line-height: 1.4;
}

.form-submit-status:empty {
  display: none;
}

.form-submit-status[data-status="success"] {
  color: var(--color-tech-emerald);
}

button[aria-busy="true"] {
  cursor: wait;
  opacity: 0.75;
}

/* Reduced Motion Safety */
@media (prefers-reduced-motion: reduce) {
  .hero-mesh-background {
    animation: none !important;
  }
  .status-indicator {
    animation: none !important;
  }
  .reveal-on-scroll {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
    animation: none !important;
  }
  * {
    transition-duration: 0.01ms !important;
  }
}