/* ============================================
   GeumiAI — Design System
   Instagram light palette, mobile-first
   ============================================ */

:root {
  /* Instagram Colors */
  --ig-bg: #FAFAFA;
  --ig-white: #FFFFFF;
  --ig-dark: #262626;
  --ig-muted: #8e8e8e;
  --ig-border: #DBDBDB;
  --ig-blue: #0095F6;
  --ig-gradient: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
  --ig-gradient-soft: linear-gradient(135deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  --ig-gradient-subtle: linear-gradient(135deg, #fdf0e9, #fce4ec, #f3e5f5);
  
  /* WhatsApp */
  --wa-green: #25D366;
  
  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  
  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 100px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --shadow-glow: 0 4px 20px rgba(225,48,108,0.3);
}

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

html {
  font-size: 19px; /* Increased from 16px to make everything bolder/larger */
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--ig-bg);
  color: var(--ig-dark);
  min-height: 100dvh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============ STEP SYSTEM ============ */
.step {
  display: none;
  min-height: 100dvh;
  position: relative;
}
.step.active {
  display: flex;
  flex-direction: column;
  animation: stepFadeIn 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* ============ TOP PROGRESS BAR ============ */
.step-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--ig-border);
  z-index: 100;
}
.step-progress-fill {
  height: 100%;
  background: var(--ig-gradient);
  width: 0%;
  transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  border-radius: 0 2px 2px 0;
}

/* ============ HERO SECTION ============ */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-2xl) var(--space-lg) var(--space-lg);
  text-align: center;
  flex: 1;
}

.social-proof-banner {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--ig-white);
  border: 1px solid var(--ig-border);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  color: var(--ig-muted);
  margin-bottom: var(--space-lg);
  box-shadow: var(--shadow-sm);
}
.social-proof-banner strong {
  color: var(--ig-dark);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4ade80;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}

.hero-content {
  max-width: 400px;
  width: 100%;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}
.logo-icon {
  font-size: 1.5rem;
  background: var(--ig-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: logoSpin 6s linear infinite;
}
@keyframes logoSpin {
  0%, 100% { transform: rotate(0deg); }
  50% { transform: rotate(180deg); }
}
.logo-text {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ig-dark);
}

/* Hero heading */
.hero h1 {
  font-size: 2rem;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-sm);
  color: var(--ig-dark);
}
.gradient-text {
  background: var(--ig-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.subtitle {
  font-size: 0.8rem;
  color: var(--ig-muted);
  margin-bottom: var(--space-lg);
  font-weight: 400;
}

/* Hero Image */
.hero-image-container {
  margin: var(--space-lg) 0;
  position: relative;
}
.hero-image {
  width: 100%;
  max-width: 320px;
  height: auto;
  border-radius: var(--radius-lg);
  filter: drop-shadow(0 8px 24px rgba(0,0,0,0.15));
}
.hero-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  font-size: 3rem;
  padding: var(--space-2xl);
  background: var(--ig-gradient-subtle);
  border-radius: var(--radius-lg);
}
.hero-placeholder .arrow {
  font-size: 2rem;
  background: var(--ig-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: arrowBounce 1.5s ease-in-out infinite;
}
@keyframes arrowBounce {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(8px); }
}

/* ============ BUTTONS ============ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  width: 100%;
  padding: 16px var(--space-xl);
  background: var(--ig-gradient);
  color: white;
  border: none;
  border-radius: var(--radius-full);
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, transparent, rgba(255,255,255,0.2), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s;
}
.btn-primary:active {
  transform: scale(0.97);
}
.btn-primary:hover::before,
.btn-primary:focus::before {
  transform: translateX(100%);
}

.btn-glow {
  box-shadow: var(--shadow-glow);
  animation: btnGlow 3s ease-in-out infinite;
}
@keyframes btnGlow {
  0%, 100% { box-shadow: 0 4px 20px rgba(225,48,108,0.3); }
  50% { box-shadow: 0 4px 30px rgba(225,48,108,0.5); }
}

.btn-sparkle {
  animation: sparkle 2s ease-in-out infinite;
}
@keyframes sparkle {
  0%, 100% { transform: scale(1) rotate(0deg); }
  50% { transform: scale(1.2) rotate(10deg); }
}

.btn-text {
  background: none;
  border: none;
  color: var(--ig-muted);
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  padding: var(--space-sm);
  cursor: pointer;
  margin-top: var(--space-sm);
}

/* ============ TRUST BADGES ============ */
.trust-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}
.badge {
  font-size: 0.65rem;
  color: var(--ig-muted);
  background: var(--ig-white);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  border: 1px solid var(--ig-border);
}

/* ============ URGENCY BAR ============ */
.urgency-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  margin-top: var(--space-md);
  font-size: 0.75rem;
  color: var(--ig-muted);
}
.urgency-bar strong {
  color: #dc2743;
  font-variant-numeric: tabular-nums;
}
.urgency-icon {
  animation: urgencyPulse 1s ease-in-out infinite;
}
@keyframes urgencyPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}

/* ============ TESTIMONIALS ============ */
.testimonials {
  max-width: 400px;
  width: 100%;
  margin-top: var(--space-lg);
  padding: 0 var(--space-md);
}
.testimonial-card {
  display: flex;
  gap: var(--space-md);
  background: var(--ig-white);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--ig-border);
  box-shadow: var(--shadow-sm);
  transition: all 0.5s ease;
}
.testimonial-avatar {
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: 50%;
  background: var(--ig-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 0.9rem;
}
.testimonial-body {
  text-align: left;
}
.testimonial-stars {
  color: #f59e0b;
  font-size: 0.7rem;
  letter-spacing: 1px;
  margin-bottom: 2px;
}
.testimonial-body p {
  font-size: 0.8rem;
  line-height: 1.4;
  color: var(--ig-dark);
  margin-bottom: 2px;
}
.testimonial-name {
  font-size: 0.7rem;
  color: var(--ig-muted);
}

/* ============ FORM CONTAINERS ============ */
.form-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-3xl) var(--space-lg) var(--space-lg);
  text-align: center;
  flex: 1;
  max-width: 420px;
  margin: 0 auto;
  width: 100%;
}

.back-btn {
  position: absolute;
  top: 16px;
  left: 16px;
  background: none;
  border: none;
  color: var(--ig-dark);
  cursor: pointer;
  padding: var(--space-sm);
  border-radius: 50%;
  transition: background 0.2s;
  -webkit-tap-highlight-color: transparent;
  z-index: 10;
}
.back-btn:active {
  background: var(--ig-border);
}

.step-label {
  font-size: 0.7rem;
  color: var(--ig-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  margin-bottom: var(--space-lg);
}

.form-container h2 {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-xs);
}
.form-hint {
  font-size: 0.8rem;
  color: var(--ig-muted);
  margin-bottom: var(--space-xl);
}

/* ============ INPUT FIELDS ============ */
.input-group {
  display: flex;
  align-items: center;
  background: var(--ig-white);
  border: 2px solid var(--ig-border);
  border-radius: var(--radius-lg);
  padding: 4px;
  margin-bottom: var(--space-sm);
  width: 100%;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.input-group:focus-within {
  border-color: #dc2743;
  box-shadow: 0 0 0 4px rgba(220,39,67,0.1);
}
.input-group.error {
  border-color: #ef4444;
  animation: shake 0.4s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}

.input-icon {
  padding: 0 var(--space-sm) 0 var(--space-md);
  color: var(--ig-muted);
  display: flex;
  align-items: center;
}

.input-group input {
  flex: 1;
  border: none;
  outline: none;
  font-family: 'Inter', sans-serif;
  font-size: 1.05rem;
  padding: 14px var(--space-md) 14px var(--space-sm);
  background: transparent;
  color: var(--ig-dark);
  min-width: 0;
}
.input-group input::placeholder {
  color: #c7c7c7;
}

.country-select {
  border: none;
  outline: none;
  background: var(--ig-bg);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  padding: 14px var(--space-sm) 14px var(--space-md);
  border-radius: var(--radius-md);
  color: var(--ig-dark);
  cursor: pointer;
  -webkit-appearance: none;
  min-width: 90px;
}

.input-error {
  font-size: 0.75rem;
  color: #ef4444;
  margin-bottom: var(--space-md);
  opacity: 0;
  height: 0;
  transition: opacity 0.3s, height 0.3s;
}
.input-error.show {
  opacity: 1;
  height: auto;
  margin-bottom: var(--space-md);
}

.whatsapp-note {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.7rem;
  color: var(--ig-muted);
  margin-bottom: var(--space-xl);
}

/* ============ FEATURE TOGGLES ============ */
.features-container {
  padding-top: var(--space-2xl);
}
.features-container h2 {
  font-size: 1.5rem;
}
.features-list {
  width: 100%;
  margin-bottom: var(--space-lg);
}

.feature-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px var(--space-md);
  background: var(--ig-white);
  border: 1px solid var(--ig-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
  cursor: pointer;
  transition: all 0.25s ease;
  -webkit-tap-highlight-color: transparent;
}
.feature-card:active {
  transform: scale(0.98);
}
.feature-card:has(input:checked) {
  border-color: rgba(220,39,67,0.3);
  background: linear-gradient(135deg, rgba(240,148,51,0.04), rgba(188,24,136,0.04));
}

.feature-info {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  text-align: left;
}
.feature-emoji {
  font-size: 1.3rem;
  min-width: 28px;
}
.feature-name {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ig-dark);
}
.feature-desc {
  display: block;
  font-size: 0.65rem;
  color: var(--ig-muted);
  margin-top: 1px;
}

/* Toggle switch */
.feature-card input[type="checkbox"] {
  display: none;
}
.toggle {
  position: relative;
  width: 44px;
  height: 26px;
  min-width: 44px;
  background: var(--ig-border);
  border-radius: var(--radius-full);
  transition: background 0.3s ease;
}
.toggle::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  background: white;
  border-radius: 50%;
  top: 3px;
  left: 3px;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}
.feature-card input:checked + .toggle {
  background: var(--ig-gradient);
}
.feature-card input:checked + .toggle::after {
  transform: translateX(18px);
}

/* ============ DOMAIN SELECTION ============ */
.domain-selection-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  width: 100%;
  margin-bottom: var(--space-md);
  text-align: left;
}
.domain-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px var(--space-md);
  background: var(--ig-white);
  border: 1px solid var(--ig-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}
.domain-card input[type="radio"] {
  position: absolute;
  opacity: 0;
}
.domain-card:has(input:checked) {
  border-color: #dc2743;
  box-shadow: 0 0 0 1px #dc2743;
  background: rgba(220, 39, 67, 0.03);
}
.domain-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--ig-gradient);
  transform: scaleY(0);
  transition: transform 0.3s ease;
}
.domain-card:has(input:checked)::before {
  transform: scaleY(1);
}
.domain-info {
  display: flex;
  flex-direction: column;
}
.domain-ext {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--ig-dark);
}
.domain-desc {
  font-size: 0.65rem;
  color: var(--ig-muted);
}
.domain-price {
  font-weight: 800;
  color: #dc2743;
}
.domain-price span {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--ig-muted);
}

.domain-preview {
  font-weight: 700;
  color: #dc2743;
  padding-right: var(--space-sm);
  white-space: nowrap;
}

.payment-note {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  background: rgba(240, 148, 51, 0.1);
  padding: 12px;
  border-radius: var(--radius-md);
  margin-top: 24px;
  margin-bottom: var(--space-md);
  text-align: left;
}
.payment-note svg {
  color: #f09433;
  min-width: 16px;
  margin-top: 2px;
}
.payment-note span {
  font-size: 0.75rem;
  color: var(--ig-dark);
  line-height: 1.4;
}

.btn-build {
  margin-top: var(--space-sm);
}

/* ============ BUILDING ANIMATION ============ */
.building-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100dvh;
  background: var(--ig-gradient-soft);
  position: relative;
  overflow: hidden;
}

.building-bg-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.bg-shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.15;
  filter: blur(60px);
}
.shape-1 {
  width: 200px;
  height: 200px;
  background: #f09433;
  top: 10%;
  left: -50px;
  animation: floatShape 8s ease-in-out infinite;
}
.shape-2 {
  width: 300px;
  height: 300px;
  background: #dc2743;
  bottom: 10%;
  right: -80px;
  animation: floatShape 10s ease-in-out infinite reverse;
}
.shape-3 {
  width: 150px;
  height: 150px;
  background: #bc1888;
  top: 50%;
  left: 50%;
  animation: floatShape 6s ease-in-out infinite;
}
@keyframes floatShape {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.1); }
  66% { transform: translate(-20px, 20px) scale(0.9); }
}

.building-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 2;
  padding: var(--space-lg);
}

.building-logo {
  margin-bottom: var(--space-xl);
}
.building-logo .logo-icon {
  font-size: 2.5rem;
}
.spinning {
  animation: spin 3s linear infinite !important;
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Circular progress ring */
.progress-ring-container {
  position: relative;
  width: 130px;
  height: 130px;
  margin-bottom: var(--space-xl);
}
.progress-ring {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}
.progress-ring-bg {
  fill: none;
  stroke: rgba(255,255,255,0.25);
  stroke-width: 6;
}
.progress-ring-fill {
  fill: none;
  stroke: white;
  stroke-width: 6;
  stroke-linecap: round;
  stroke-dasharray: 339.292;
  stroke-dashoffset: 339.292;
  transition: stroke-dashoffset 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  filter: drop-shadow(0 0 8px rgba(255,255,255,0.5));
}
.progress-percent {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  color: white;
  font-variant-numeric: tabular-nums;
}

.building-status {
  font-size: 1rem;
  font-weight: 600;
  color: white;
  margin-bottom: var(--space-md);
  min-height: 1.5em;
  text-align: center;
}

.building-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}
.detail-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.75rem;
  color: rgba(255,255,255,0.6);
  transition: all 0.3s;
}
.detail-item.active {
  color: rgba(255,255,255,0.95);
}
.detail-item.done {
  color: rgba(255,255,255,0.4);
}

.file-ticker {
  font-family: 'Courier New', monospace;
  font-size: 0.6rem;
  color: rgba(255,255,255,0.35);
  text-align: center;
  min-height: 1em;
  transition: opacity 0.3s;
}

/* ============ QUEUE SCREEN ============ */
.queue-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100dvh;
  padding: var(--space-lg);
  background: var(--ig-bg);
}
.queue-content {
  text-align: center;
  max-width: 360px;
  width: 100%;
}

.queue-icon {
  margin-bottom: var(--space-lg);
}
.hourglass {
  font-size: 3rem;
  animation: hourglassFlip 2s ease-in-out infinite;
  display: inline-block;
}
@keyframes hourglassFlip {
  0% { transform: rotate(0deg); }
  50% { transform: rotate(180deg); }
  100% { transform: rotate(360deg); }
}

.queue-content h2 {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-xs);
}
.queue-message {
  font-size: 0.8rem;
  color: var(--ig-muted);
  margin-bottom: var(--space-xl);
}

.queue-position {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-xl);
}
.queue-label {
  font-size: 0.7rem;
  color: var(--ig-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
}
.queue-number {
  font-size: 3rem;
  font-weight: 900;
  background: var(--ig-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-variant-numeric: tabular-nums;
  animation: queuePulse 3s ease-in-out infinite;
}
@keyframes queuePulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.queue-info-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  background: var(--ig-white);
  border: 1px solid var(--ig-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-bottom: var(--space-xl);
  text-align: left;
}
.queue-info-title {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ig-dark);
}
.queue-info-desc {
  display: block;
  font-size: 0.7rem;
  color: var(--ig-muted);
  margin-top: 1px;
}

/* Avatar stack */
.queue-social-proof {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  font-size: 0.75rem;
  color: var(--ig-muted);
}
.avatar-stack {
  display: flex;
}
.mini-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.6rem;
  font-weight: 700;
  border: 2px solid var(--ig-bg);
  margin-left: -8px;
}
.mini-avatar:first-child {
  margin-left: 0;
}

.queue-footer {
  border-top: 1px solid var(--ig-border);
  padding-top: var(--space-md);
}
.powered-by {
  font-size: 0.7rem;
  color: var(--ig-muted);
}

/* ============ EXIT POPUP ============ */
.exit-popup {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 200;
  padding: var(--space-lg);
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.exit-popup.show {
  display: flex;
  animation: fadeIn 0.3s ease;
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.exit-popup-card {
  background: var(--ig-white);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl) var(--space-lg);
  text-align: center;
  max-width: 320px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  animation: popupSlideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes popupSlideUp {
  from { opacity: 0; transform: translateY(30px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.exit-emoji {
  font-size: 3rem;
  margin-bottom: var(--space-md);
  animation: exitEmojiBounce 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes exitEmojiBounce {
  from { transform: scale(0); }
  to { transform: scale(1); }
}

.exit-popup-card h3 {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: var(--space-xs);
}
.exit-popup-card p {
  font-size: 0.8rem;
  color: var(--ig-muted);
  margin-bottom: var(--space-lg);
}
.exit-popup-card .btn-primary {
  margin-bottom: 0;
}

/* ============ FADE ANIMATIONS ============ */
.fade-in {
  animation: fadeSlideUp 0.6s ease both;
}
.fade-in-delay {
  animation: fadeSlideUp 0.6s ease 0.2s both;
}
.fade-in-delay-2 {
  animation: fadeSlideUp 0.6s ease 0.4s both;
}
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============ SCROLLBAR ============ */
::-webkit-scrollbar { width: 0px; }

/* ============ RESPONSIVE ============ */
@media (min-width: 768px) {
  .hero h1 { font-size: 2.8rem; }
  .form-container { padding-top: 80px; }
  .building-content { padding: var(--space-2xl); }
}

/* ============ SAFE AREA (notch phones) ============ */
@supports (padding-top: env(safe-area-inset-top)) {
  .step-progress { top: env(safe-area-inset-top); }
  .hero { padding-top: calc(var(--space-2xl) + env(safe-area-inset-top)); }
  .back-btn { top: calc(16px + env(safe-area-inset-top)); }
}