/* ===========================================
   CSS Variables (Material UI Color Palette)
   =========================================== */
:root {
  /* Primary Colors - Warm Brown */
  --primary: #6D4C41;
  --primary-dark: #5D4037;
  --primary-light: #8D6E63;

  /* Accent Colors */
  --accent: #FFB300;
  --accent-dark: #FFA000;

  /* Success/Error */
  --success: #4CAF50;
  --success-light: #E8F5E9;
  --error: #D32F2F;
  --error-light: #FFEBEE;

  /* Neutrals */
  --background: #F5F5F5;
  --surface: #FFFFFF;
  --text-primary: #212121;
  --text-secondary: #757575;
  --text-on-primary: #FFFFFF;
  --border: #E0E0E0;

  /* Material UI Input Colors */
  --input-bg: #F5F5F5;
  --input-bg-hover: #EEEEEE;
  --input-bg-focus: #E0E0E0;

  /* Shadows (Material UI elevation) */
  --shadow-1: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
  --shadow-2: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
  --shadow-3: 0 10px 20px rgba(0,0,0,0.19), 0 6px 6px rgba(0,0,0,0.23);
  --shadow-btn: 0 3px 1px -2px rgba(0,0,0,0.2), 0 2px 2px 0 rgba(0,0,0,0.14), 0 1px 5px 0 rgba(0,0,0,0.12);
  --shadow-btn-hover: 0 2px 4px -1px rgba(0,0,0,0.2), 0 4px 5px 0 rgba(0,0,0,0.14), 0 1px 10px 0 rgba(0,0,0,0.12);

  /* Typography */
  --font-family: 'Roboto', system-ui, -apple-system, sans-serif;

  /* Layout */
  --max-width: 1200px;
  --header-height: 64px;
}

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

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

body {
  font-family: var(--font-family);
  font-weight: 400;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--background);
  min-height: 100vh;
}

/* Fade-in animation on page load */
.page-wrapper {
  opacity: 0;
  animation: fadeIn 300ms ease forwards;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

/* ===========================================
   Header
   =========================================== */
.header {
  background-color: var(--primary);
  height: var(--header-height);
  border-bottom: 1px solid var(--primary-dark);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1rem;
  height: 100%;
  display: flex;
  align-items: center;
}

.logo {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  text-decoration: none;
}

.logo-icon {
  width: 32px;
  height: 32px;
}

.logo-text {
  font-family: 'Roboto Condensed', 'Arial Narrow', sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-on-primary);
  letter-spacing: 0.5px;
  line-height: 1.1;
  text-transform: uppercase;
  margin-bottom: -2px;
}

/* ===========================================
   Main Content - Two Column Layout
   =========================================== */
.main {
  flex: 1;
  display: flex;
  align-items: center;
  padding: 2rem 1rem;
  position: relative;
  overflow: hidden;
}

/* Background image layer with blur */
.main::after {
  content: '';
  position: absolute;
  top: -10px;
  left: -10px;
  right: -10px;
  bottom: -10px;
  background-image: url('assets/hero-bg.png');
  background-size: cover;
  background-position: left top;
  background-repeat: no-repeat;
  filter: blur(13px);
  z-index: 0;
}

/* Warm brown overlay for text readability */
.main::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.9);
  z-index: 1;
}

@media (min-width: 900px) {
  .main::before {
    background: rgba(93, 64, 55, 0.45);
  }
}

.main-container {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

/* Desktop: Two columns */
@media (min-width: 900px) {
  .main-container {
    grid-template-columns: 1fr 420px;
    gap: 4rem;
    align-items: center;
  }
}

/* ===========================================
   Hero Column (Left side)
   =========================================== */
.hero-column {
  text-align: center;
}

@media (min-width: 900px) {
  .hero-column {
    text-align: left;
  }
}

.headline {
  font-size: 1.75rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 1rem;
}

@media (min-width: 900px) {
  .headline {
    font-size: 2.5rem;
    color: #FFFFFF;
    text-shadow: 0 1px 3px rgba(0,0,0,0.3);
  }
}

.subheadline {
  font-size: 1.125rem;
  font-weight: 400;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.5;
}

@media (min-width: 900px) {
  .subheadline {
    font-size: 1.25rem;
    color: rgba(255,255,255,0.9);
  }
}

/* Benefits List */
.benefits {
  list-style: none;
  display: inline-flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.benefit-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.benefit-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background-color: var(--success);
  color: var(--text-on-primary);
  border-radius: 50%;
  font-size: 0.875rem;
  font-weight: 700;
  flex-shrink: 0;
}

.benefit-text {
  font-size: 1rem;
  color: var(--text-primary);
}

@media (min-width: 900px) {
  .benefit-text {
    color: #FFFFFF;
  }
}

/* Trust Badge */
.trust-badge {
  display: none;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  background-color: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border-radius: 8px;
  border-left: 4px solid var(--accent);
}

@media (min-width: 900px) {
  .trust-badge {
    display: inline-flex;
  }
}

.trust-icon {
  font-size: 1.5rem;
}

.trust-text {
  font-size: 0.9375rem;
  color: #FFFFFF;
  font-weight: 500;
}

/* ===========================================
   Form Column (Right side)
   =========================================== */
.form-column {
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
}

@media (min-width: 900px) {
  .form-column {
    margin: 0;
  }
}

.form-card {
  background-color: var(--surface);
  border-radius: 12px;
  box-shadow: var(--shadow-3);
  padding: 2rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.form-card:hover {
  transform: scale(1.02);
  box-shadow: 0 12px 40px rgba(0,0,0,0.25);
}

@media (min-width: 900px) {
  .form-card {
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
  }

  .form-card:hover {
    box-shadow: 0 16px 48px rgba(0,0,0,0.3);
  }
}

.form-title {
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
  text-align: center;
}

.form-subtitle {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  text-align: center;
}

/* ===========================================
   Material UI Filled Text Field
   =========================================== */
.form-group {
  position: relative;
  margin-bottom: 1.25rem;
}

.form-input {
  width: 100%;
  height: 56px;
  padding: 24px 16px 6px 16px;
  font-size: 1rem;
  font-family: var(--font-family);
  color: var(--text-primary);
  background-color: var(--input-bg);
  border: none;
  border-bottom: 2px solid transparent;
  border-radius: 4px 4px 0 0;
  outline: none;
  transition: background-color 200ms ease, border-color 200ms ease;
}

.form-input:hover {
  background-color: var(--input-bg-hover);
}

.form-input:focus {
  background-color: var(--input-bg-focus);
  border-bottom-color: var(--primary);
}

.form-input.error {
  border-bottom-color: var(--error);
}

.form-input:disabled {
  opacity: 0.38;
  cursor: not-allowed;
}

/* Floating Label */
.form-label {
  position: absolute;
  left: 16px;
  top: 24px;
  font-size: 1rem;
  color: var(--text-secondary);
  pointer-events: none;
  transition: all 200ms cubic-bezier(0.0, 0, 0.2, 1);
  transform-origin: left top;
}

/* Label moves up when input is focused or has content */
.form-input:focus ~ .form-label,
.form-input:not(:placeholder-shown) ~ .form-label {
  top: 8px;
  transform: scale(0.75);
  color: var(--primary);
}

.form-input.error ~ .form-label {
  color: var(--error);
}

.form-input:not(:focus):not(:placeholder-shown) ~ .form-label {
  color: var(--text-secondary);
}

.form-input:focus ~ .form-label {
  color: var(--primary);
}

/* ===========================================
   Phone Input with Prefix
   =========================================== */
.form-group-phone {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
}

.phone-prefix {
  display: flex;
  align-items: center;
  height: 56px;
  padding: 18px 4px 0 16px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
  background-color: var(--input-bg);
  border-radius: 4px 0 0 0;
  border-bottom: 2px solid transparent;
  user-select: none;
}

.form-input-phone {
  flex: 1;
  border-radius: 0 4px 0 0;
  padding-left: 4px;
}

.form-label-phone {
  left: 56px;
  top: 24px;
}

.form-input-phone:focus ~ .form-label-phone,
.form-input-phone:not(:placeholder-shown) ~ .form-label-phone {
  left: 56px;
  top: 8px;
  transform: scale(0.75);
}

.form-group-phone:focus-within .phone-prefix {
  border-bottom-color: var(--primary);
}

.form-group-phone .form-input.error ~ .phone-prefix,
.form-input-phone.error + .form-label-phone + .form-error + .phone-prefix {
  border-bottom-color: var(--error);
}

/* Fix: make prefix border match input state */
.form-group-phone:has(.form-input:focus) .phone-prefix {
  border-bottom-color: var(--primary);
}

.form-group-phone:has(.form-input.error) .phone-prefix {
  border-bottom-color: var(--error);
}

.form-group-phone .form-error {
  width: 100%;
}

/* ===========================================
   Material UI Select Field
   =========================================== */
.form-select {
  appearance: none;
  cursor: pointer;
  padding-right: 40px;
  background-color: var(--input-bg);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath fill='%23757575' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 24px;
}

/* Select without value - label at text position */
.form-group .form-select:not(.has-value):not(:focus) ~ .form-label {
  top: 24px;
  transform: none;
  font-size: 1rem;
  color: var(--text-secondary);
}

/* Select label floats when focused */
.form-group .form-select:focus ~ .form-label {
  top: 8px;
  transform: scale(0.75);
  color: var(--primary);
}

/* Select label floats when has value */
.form-group .form-select.has-value ~ .form-label {
  top: 8px;
  transform: scale(0.75);
  color: var(--text-secondary);
}

/* Select label when focused AND has value */
.form-group .form-select.has-value:focus ~ .form-label {
  color: var(--primary);
}

/* ===========================================
   Form Error Message & Hint
   =========================================== */
.form-error {
  display: block;
  font-size: 0.75rem;
  color: var(--error);
  padding: 4px 16px 0;
  min-height: 1.25rem;
}

/* Hint state (gray, not error) */
.form-error.hint {
  color: var(--text-secondary);
}

/* ===========================================
   Material UI Contained Button
   =========================================== */
.submit-btn {
  width: 100%;
  height: 52px;
  padding: 0 24px;
  margin-top: 0.5rem;
  font-size: 1rem;
  font-weight: 500;
  font-family: var(--font-family);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--text-on-primary);
  background-color: var(--primary);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-btn);
  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 250ms cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.submit-btn:hover:not(:disabled) {
  background-color: var(--primary-dark);
  box-shadow: var(--shadow-btn-hover);
}

.submit-btn:active:not(:disabled) {
  box-shadow: var(--shadow-1);
}

.submit-btn:disabled {
  background-color: rgba(0, 0, 0, 0.12);
  color: rgba(0, 0, 0, 0.26);
  box-shadow: none;
  cursor: default;
}

/* Ripple Effect */
.submit-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 60%);
  transform: translate(-50%, -50%) scale(0);
  opacity: 0;
  transition: transform 0.5s ease, opacity 0.3s ease;
}

.submit-btn:active::before {
  transform: translate(-50%, -50%) scale(2.5);
  opacity: 1;
  transition: transform 0s, opacity 0s;
}

/* Button Spinner */
.btn-spinner {
  display: none;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: var(--text-on-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.submit-btn.loading .btn-spinner {
  display: inline-block;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ===========================================
   Alerts (Success/Error)
   =========================================== */
.alert {
  text-align: center;
  padding: 2rem 1.5rem;
  border-radius: 8px;
  animation: alertFadeIn 300ms ease forwards;
}

@keyframes alertFadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.alert-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  font-size: 1.75rem;
  font-weight: 500;
  margin-bottom: 1rem;
}

.alert-title {
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.alert-text {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

/* Success Alert */
.alert-success {
  background-color: var(--success-light);
}

.alert-success .alert-icon {
  background-color: var(--success);
  color: var(--text-on-primary);
}

.alert-success .alert-title {
  color: #2E7D32;
}

/* Error Alert */
.alert-error {
  background-color: var(--error-light);
}

.alert-error .alert-icon {
  background-color: var(--error);
  color: var(--text-on-primary);
}

.alert-error .alert-title {
  color: #C62828;
}

/* Retry Button (Outlined style) */
.retry-btn {
  height: 40px;
  padding: 0 16px;
  font-size: 0.875rem;
  font-weight: 500;
  font-family: var(--font-family);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--error);
  background-color: transparent;
  border: 1px solid var(--error);
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.retry-btn:hover {
  background-color: rgba(211, 47, 47, 0.04);
}

.retry-btn:active {
  background-color: rgba(211, 47, 47, 0.12);
}

/* ===========================================
   Footer
   =========================================== */
.footer {
  background-color: var(--primary-dark);
  padding: 1.25rem 1rem;
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.footer-address {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
}

/* ===========================================
   Responsive Adjustments
   =========================================== */

/* Small phones */
@media (max-width: 375px) {
  .headline {
    font-size: 1.5rem;
  }

  .form-card {
    padding: 1.5rem;
  }

  .form-input {
    height: 52px;
  }
}

/* ===========================================
   Utility Classes
   =========================================== */
.hidden {
  display: none !important;
}

/* Loading state for entire form */
.form-loading {
  pointer-events: none;
  opacity: 0.7;
}

/* Slide down animation for conditional fields */
.form-group.slide-down {
  animation: slideDown 300ms ease forwards;
  overflow: hidden;
}

@keyframes slideDown {
  from {
    opacity: 0;
    max-height: 0;
    margin-bottom: 0;
  }
  to {
    opacity: 1;
    max-height: 100px;
    margin-bottom: 1.25rem;
  }
}

/* Focus visible for accessibility */
.form-input:focus-visible {
  outline: none;
}

.submit-btn:focus-visible,
.retry-btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}