/* ============================================================
   PROPVALOR CHILE — Design System
   Premium Real Estate Valuation Website
   ============================================================ */

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

/* ============================================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================================ */
:root {
  /* Colors */
  --color-bg-primary: #0a0a1a;
  --color-bg-secondary: #111128;
  --color-bg-tertiary: #16163a;
  --color-surface: rgba(255, 255, 255, 0.04);
  --color-surface-hover: rgba(255, 255, 255, 0.08);
  --color-surface-active: rgba(255, 255, 255, 0.12);
  --color-glass: rgba(255, 255, 255, 0.06);
  --color-glass-border: rgba(255, 255, 255, 0.1);
  --color-glass-strong: rgba(255, 255, 255, 0.1);

  --color-accent: #c9a84c;
  --color-accent-light: #e4c96a;
  --color-accent-dark: #a88a30;
  --color-accent-glow: rgba(201, 168, 76, 0.3);

  --color-blue: #4f7df5;
  --color-blue-glow: rgba(79, 125, 245, 0.25);

  --color-success: #22c55e;
  --color-success-glow: rgba(34, 197, 94, 0.2);
  --color-warning: #f59e0b;
  --color-error: #ef4444;

  --color-text-primary: #f0f0f5;
  --color-text-secondary: rgba(240, 240, 245, 0.65);
  --color-text-tertiary: rgba(240, 240, 245, 0.4);
  --color-text-accent: var(--color-accent);

  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

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

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

  /* Borders */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);
  --shadow-glow-accent: 0 0 30px var(--color-accent-glow);
  --shadow-glow-blue: 0 0 30px var(--color-blue-glow);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Z-index */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 500;
  --z-modal: 600;
  --z-toast: 700;

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

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

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

body {
  font-family: var(--font-body);
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a:hover {
  color: var(--color-accent-light);
}

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

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

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  font-weight: 700;
}

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

.section {
  padding: var(--space-20) 0;
}

.section-label {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
  display: block;
}

.section-title {
  font-size: var(--text-4xl);
  font-weight: 800;
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}

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

.text-center {
  text-align: center;
}

.text-center .section-subtitle {
  margin: 0 auto;
}

.text-gradient {
  background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent), var(--color-accent-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-blue {
  background: linear-gradient(135deg, #7ba4f7, var(--color-blue), #3560d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================================
   BACKGROUND EFFECTS
   ============================================================ */
.bg-mesh {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.bg-mesh::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(201, 168, 76, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(79, 125, 245, 0.05) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(201, 168, 76, 0.04) 0%, transparent 50%);
  animation: meshMove 20s ease-in-out infinite alternate;
}

@keyframes meshMove {
  0% { transform: translate(0, 0) rotate(0deg); }
  100% { transform: translate(-2%, 2%) rotate(2deg); }
}

/* Grid pattern overlay */
.bg-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.03;
  background-image:
    linear-gradient(rgba(255,255,255,0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.1) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* ============================================================
   HEADER / NAVIGATION  
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: var(--z-sticky);
  transition: all var(--transition-base);
  background: transparent;
}

.header.scrolled {
  background: rgba(10, 10, 26, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-glass-border);
  box-shadow: var(--shadow-md);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--text-xl);
  color: var(--color-text-primary);
  z-index: var(--z-modal);
}

.logo-icon {
  width: 44px;
  height: 40px;
  background: #00E5FF;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -1px;
  color: #0a0a1a;
}

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

.nav-links a {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

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

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: #00E5FF;
  color: #0a0a1a !important;
  font-weight: 700;
  font-size: var(--text-sm);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px var(--color-accent-glow);
  color: #0a0a1a !important;
}

/* Mobile menu */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  z-index: var(--z-modal);
  padding: 4px 0;
}

.mobile-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

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

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

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

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-base);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: #0a0a1a;
  box-shadow: var(--shadow-glow-accent);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 50px var(--color-accent-glow);
}

.btn-secondary {
  background: var(--color-glass-strong);
  color: var(--color-text-primary);
  border: 1px solid var(--color-glass-border);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: var(--color-surface-hover);
  border-color: rgba(255,255,255,0.2);
  transform: translateY(-2px);
}

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

.btn-outline:hover {
  background: var(--color-accent);
  color: #0a0a1a;
  transform: translateY(-2px);
}

.btn-lg {
  padding: var(--space-5) var(--space-10);
  font-size: var(--text-lg);
}

.btn-sm {
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
}

.btn-icon {
  font-size: 1.2em;
  line-height: 1;
}

/* Button ripple effect */
.btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:active::after {
  width: 300px;
  height: 300px;
}

/* ============================================================
   GLASS CARDS
   ============================================================ */
.glass-card {
  background: var(--color-glass);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: var(--space-8);
  transition: all var(--transition-base);
}

.glass-card:hover {
  background: var(--color-surface-hover);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

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

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  filter: saturate(1.1) brightness(0.75);
  transform: scale(1.02);
  animation: heroZoom 30s ease-in-out infinite alternate;
}

@keyframes heroZoom {
  0% { transform: scale(1.02); }
  100% { transform: scale(1.08); }
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10, 10, 26, 0.75) 0%, rgba(10, 10, 26, 0.60) 40%, rgba(10, 10, 26, 0.85) 100%),
    radial-gradient(circle at 30% 40%, rgba(201, 168, 76, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 70% 60%, rgba(79, 125, 245, 0.10) 0%, transparent 50%);
  z-index: 1;
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 2;
  background: 
    radial-gradient(circle at 30% 40%, rgba(201, 168, 76, 0.12) 0%, transparent 50%),
    radial-gradient(circle at 70% 60%, rgba(79, 125, 245, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 50% 90%, rgba(201, 168, 76, 0.06) 0%, transparent 40%);
  animation: heroGlow 8s ease-in-out infinite alternate;
}

@keyframes heroGlow {
  0% { opacity: 0.8; }
  100% { opacity: 1; }
}

/* Animated particles */
.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--color-accent);
  border-radius: 50%;
  opacity: 0;
  animation: particleFloat 6s ease-in-out infinite;
}

@keyframes particleFloat {
  0% { opacity: 0; transform: translateY(100vh) scale(0); }
  20% { opacity: 0.6; }
  80% { opacity: 0.3; }
  100% { opacity: 0; transform: translateY(-100px) scale(1); }
}

.hero-content {
  position: relative;
  z-index: var(--z-base);
  text-align: center;
  width: 100%;
  padding: var(--space-8) 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  background: var(--color-glass);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  color: var(--color-accent);
  margin-bottom: var(--space-8);
  backdrop-filter: blur(10px);
  animation: fadeInUp 0.8s ease-out;
}

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

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5); }
  50% { box-shadow: 0 0 0 8px rgba(34, 197, 94, 0); }
}

.hero-title {
  font-size: clamp(var(--text-4xl), 6vw, var(--text-7xl));
  font-weight: 900;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
  animation: fadeInUp 0.8s ease-out 0.15s both;
}

.hero-subtitle {
  font-size: clamp(var(--text-lg), 2.5vw, var(--text-xl));
  color: var(--color-text-secondary);
  max-width: 650px;
  margin: 0 auto var(--space-10);
  animation: fadeInUp 0.8s ease-out 0.3s both;
  line-height: 1.7;
}

.hero-cta-group {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.45s both;
}

.hero-stats {
  display: flex;
  gap: var(--space-12);
  justify-content: center;
  margin-top: var(--space-16);
  animation: fadeInUp 0.8s ease-out 0.6s both;
}

.hero-stat {
  text-align: center;
}

.hero-stat-value {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-accent);
}

.hero-stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  margin-top: var(--space-1);
}

/* ============================================================
   WIZARD SECTION
   ============================================================ */
.wizard-section {
  position: relative;
  padding: var(--space-24) 0;
  background: linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 50%, var(--color-bg-primary) 100%);
}

.wizard-toggle {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
  margin-bottom: var(--space-12);
  padding: var(--space-1);
  background: var(--color-glass);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-full);
  display: inline-flex;
  backdrop-filter: blur(10px);
}

.wizard-toggle-btn {
  padding: var(--space-3) var(--space-8);
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  transition: all var(--transition-base);
}

.wizard-toggle-btn.active {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: #0a0a1a;
  box-shadow: var(--shadow-glow-accent);
}

.wizard-toggle-btn:hover:not(.active) {
  color: var(--color-text-primary);
  background: var(--color-surface-hover);
}

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.how-it-works {
  background: var(--color-bg-primary);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin-top: var(--space-12);
}

.step-card {
  text-align: center;
  padding: var(--space-10) var(--space-6);
  position: relative;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: #0a0a1a;
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 800;
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-glow-accent);
}

.step-card h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

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

/* Connector line between steps */
.step-card:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 52px;
  right: -16%;
  width: 32%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), transparent);
  opacity: 0.3;
}

/* ============================================================
   SERVICES SECTION
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-12);
}

.service-card {
  padding: var(--space-8);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

.service-icon {
  font-size: var(--text-4xl);
  margin: 0 auto var(--space-5);
  display: inline-flex;
  justify-content: center;
  align-items: center;
  color: var(--color-accent);
}

.service-card h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
  text-align: center;
}

.service-card p {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: 1.7;
  text-align: center;
}

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials {
  background: linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
}

.testimonials-track {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-12);
}

.testimonial-card {
}

.testimonial-quote {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-6);
  font-style: italic;
  position: relative;
  padding-left: var(--space-6);
  border-left: 3px solid var(--color-accent);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), var(--color-blue));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-lg);
  color: #0a0a1a;
}

.testimonial-name {
  font-weight: 600;
  font-size: var(--text-sm);
}

.testimonial-role {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

.testimonial-stars {
  color: var(--color-accent);
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
}

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
  position: relative;
  padding: var(--space-24) 0;
  overflow: hidden;
}

.cta-box {
  text-align: center;
  padding: var(--space-16) var(--space-8);
  background: linear-gradient(135deg, rgba(201, 168, 76, 0.1), rgba(79, 125, 245, 0.05));
  border: 1px solid rgba(201, 168, 76, 0.2);
  border-radius: var(--radius-2xl);
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(201, 168, 76, 0.06) 0%, transparent 60%);
  animation: ctaPulse 4s ease-in-out infinite;
}

@keyframes ctaPulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 1; }
}

.cta-box h2 {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
  position: relative;
}

.cta-box p {
  color: var(--color-text-secondary);
  font-size: var(--text-lg);
  margin-bottom: var(--space-8);
  position: relative;
}

/* ============================================================
   CONTACT FORM
   ============================================================ */
.contact-form {
  max-width: 500px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  position: relative;
}

.form-group {
  position: relative;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-4) var(--space-5);
  background: var(--color-glass);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  transition: all var(--transition-fast);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-tertiary);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
  background: var(--color-surface-hover);
}

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

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: var(--space-16) 0 var(--space-8);
  border-top: 1px solid var(--color-glass-border);
  background: var(--color-bg-secondary);
}

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

.footer-brand {
  max-width: 300px;
}

.footer-brand p {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  margin-top: var(--space-4);
  line-height: 1.7;
}

.footer-col h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-text-primary);
  margin-bottom: var(--space-5);
}

.footer-col a {
  display: block;
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  padding: var(--space-2) 0;
  transition: all var(--transition-fast);
}

.footer-col a:hover {
  color: var(--color-accent);
  transform: translateX(4px);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-glass-border);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

.footer-social {
  display: flex;
  gap: var(--space-4);
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-glass);
  border: 1px solid var(--color-glass-border);
  border-radius: 50%;
  color: var(--color-text-secondary);
  font-size: var(--text-lg);
  transition: all var(--transition-base);
}

.footer-social a:hover {
  background: var(--color-accent);
  color: #0a0a1a;
  border-color: var(--color-accent);
  transform: translateY(-3px);
}

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

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================================
   RESPONSIVE — MOBILE FIRST
   ============================================================ */
@media (max-width: 1024px) {
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .step-card:not(:last-child)::after {
    display: none;
  }

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

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

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

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

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

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

  /* Mobile nav */
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: rgba(10, 10, 26, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: calc(var(--header-height) + var(--space-8)) var(--space-8) var(--space-8);
    gap: var(--space-4);
    transition: right var(--transition-base);
    border-left: 1px solid var(--color-glass-border);
    z-index: var(--z-overlay);
  }

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

  .nav-links a {
    font-size: var(--text-lg);
    padding: var(--space-3) 0;
    width: 100%;
  }

  .mobile-toggle {
    display: flex;
  }

  .mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-dropdown);
  }

  .mobile-overlay.active {
    display: block;
  }

  /* Hero mobile */
  .hero {
    min-height: 100svh;
  }

  .hero-stats {
    gap: var(--space-6);
    flex-wrap: wrap;
  }

  .hero-stat-value {
    font-size: var(--text-2xl);
  }

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

  .hero-cta-group .btn {
    width: 100%;
    max-width: 300px;
  }

  /* Steps */
  .steps-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .step-card {
    padding: var(--space-6);
  }

  /* Services */
  .services-grid {
    grid-template-columns: 1fr;
  }

  /* Testimonials */
  .testimonials-track {
    grid-template-columns: 1fr;
  }

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

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

  /* CTA */
  .cta-box {
    padding: var(--space-10) var(--space-4);
  }

  .cta-box h2 {
    font-size: var(--text-3xl);
  }
}

@media (max-width: 480px) {
  .hero-stats {
    gap: var(--space-4);
  }

  .section-title {
    font-size: var(--text-2xl);
  }

  .wizard-toggle-btn {
    padding: var(--space-2) var(--space-5);
    font-size: var(--text-sm);
  }
}

/* ============================================================
   ACCESSIBILITY
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* Focus visible */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Selection */
::selection {
  background: rgba(201, 168, 76, 0.3);
  color: var(--color-text-primary);
}