/* ===== Design Tokens ===== */
:root {
  --crimson:      #6B0F1A;
  --crimson-dark: #4A0812;
  --crimson-light:#8B1A28;
  --gold:         #C9A45A;
  --gold-dark:    #A07830;
  --gold-light:   #E8D5A3;
  --white:        #FFFFFF;
  --cream:        #FDF9F6;
  --blush:        #F9F2EE;
  --charcoal:     #1A1A1A;
  --gray-mid:     #6B6B6B;
  --gray-light:   #E8E8E8;
  --card-shadow:  0 2px 20px rgba(0,0,0,0.07);
  --radius:       2px;
  --radius-lg:    8px;
  --transition:   220ms ease;
  --font-serif:   'Cormorant Garamond', Georgia, serif;
  --font-sans:    'Jost', system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--white);
  color: var(--charcoal);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ===== Header ===== */
.site-header {
  background: var(--crimson);
  padding: 0 32px;
  height: 72px;
  display: flex;
  justify-content: center;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 2px 16px rgba(107,15,26,0.25);
}

.logo-text {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 300;
  letter-spacing: 0.5em;
  color: var(--white);
  text-indent: 0.5em; /* compensate letter-spacing on last char */
}

/* ===== Divider ornament ===== */
.ornament {
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: center;
  margin: 0 auto;
  max-width: 320px;
}
.ornament::before,
.ornament::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--gold-light);
}
.ornament-icon {
  color: var(--gold);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
}

/* ===== Hero ===== */
.hero {
  text-align: center;
  padding: 64px 24px 48px;
  background: var(--white);
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 6vw, 3.8rem);
  font-weight: 300;
  letter-spacing: 0.06em;
  color: var(--charcoal);
  line-height: 1.15;
}

.hero-title em {
  font-style: italic;
  color: var(--crimson);
}

.hero-divider {
  margin: 28px auto 0;
}

.hero-subtitle {
  margin-top: 28px;
  font-size: 0.95rem;
  color: var(--gray-mid);
  font-weight: 300;
  max-width: 420px;
  margin-inline: auto;
  line-height: 1.75;
  letter-spacing: 0.02em;
}

/* ===== Upload Section ===== */
.upload-section {
  max-width: 540px;
  margin: 0 auto;
  padding: 40px 24px 72px;
}

.drop-zone {
  border: 1px solid var(--gold-light);
  border-radius: var(--radius-lg);
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
  background: var(--cream);
}

.drop-zone.drag-over {
  background: var(--blush);
  border-color: var(--gold);
}

.file-input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.drop-zone__content {
  text-align: center;
  pointer-events: none;
  padding: 40px 28px;
}

.drop-icon {
  font-size: 1.4rem;
  color: var(--gold);
  display: block;
  margin-bottom: 20px;
  letter-spacing: 0.3em;
}

.drop-primary {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--charcoal);
  letter-spacing: 0.03em;
}

.drop-secondary {
  font-size: 0.85rem;
  color: var(--gray-mid);
  margin-top: 12px;
  font-weight: 300;
}

.file-label {
  color: var(--crimson);
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
  pointer-events: all;
}

.drop-hint {
  font-size: 0.75rem;
  color: #AAAAAA;
  margin-top: 10px;
  letter-spacing: 0.04em;
}

/* Preview */
.drop-zone__preview {
  width: 100%;
  height: 100%;
  position: relative;
}

.drop-zone__preview img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  display: block;
}

.btn-remove {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(107,15,26,0.82);
  color: white;
  border: none;
  border-radius: 20px;
  padding: 6px 16px;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  font-family: var(--font-sans);
  pointer-events: all;
  transition: background var(--transition);
}
.btn-remove:hover { background: var(--crimson-dark); }

/* Analyze Button */
.btn-analyze {
  display: block;
  width: 100%;
  margin-top: 20px;
  padding: 17px;
  background: var(--gold);
  color: var(--white);
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--transition), opacity var(--transition);
}

.btn-analyze:hover:not(:disabled) { background: var(--gold-dark); }
.btn-analyze:disabled { opacity: 0.35; cursor: not-allowed; }

/* ===== Loading ===== */
.loading-section {
  text-align: center;
  padding: 100px 24px;
  background: var(--white);
}

.loading-ring {
  width: 52px;
  height: 52px;
  margin: 0 auto 28px;
  border: 2px solid var(--gold-light);
  border-top-color: var(--crimson);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.loading-text {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--gray-mid);
  letter-spacing: 0.03em;
}

/* ===== Results ===== */
.results-section {
  background: var(--cream);
  padding: 64px 24px 80px;
}

.results-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.results-heading {
  text-align: center;
  margin-bottom: 16px;
}

.results-heading h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 300;
  color: var(--charcoal);
  letter-spacing: 0.05em;
}

.results-justificativa {
  text-align: center;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--gray-mid);
  max-width: 640px;
  margin: 0 auto 52px;
  line-height: 1.8;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 24px;
}

/* Product Card */
.product-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(201,164,90,0.15);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.1);
}

.product-card__image {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--gray-light);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.product-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 400ms ease;
}

.product-card:hover .product-card__image img { transform: scale(1.05); }

.product-card__no-image {
  font-size: 2rem;
  color: var(--gold-light);
  letter-spacing: 0.3em;
}

.product-card__body {
  padding: 20px 18px 18px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.product-card__title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.4;
  color: var(--charcoal);
}

.product-card__price {
  font-size: 0.875rem;
  color: var(--crimson);
  font-weight: 500;
  margin-top: auto;
  padding-top: 10px;
  letter-spacing: 0.02em;
}

.product-card__cta {
  display: block;
  text-align: center;
  margin-top: 14px;
  padding: 11px;
  background: transparent;
  border: 1px solid var(--gold);
  color: var(--gold-dark);
  text-decoration: none;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
}

.product-card__cta:hover {
  background: var(--gold);
  color: var(--white);
}

/* Reset Button */
.btn-reset {
  display: block;
  margin: 52px auto 0;
  padding: 13px 40px;
  background: transparent;
  border: 1px solid var(--crimson);
  color: var(--crimson);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.btn-reset:hover { background: var(--crimson); color: var(--white); }

/* ===== Error Banner ===== */
.error-banner {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--crimson-dark);
  color: #FFE0E0;
  padding: 14px 52px 14px 20px;
  border-radius: var(--radius);
  max-width: 480px;
  width: calc(100% - 48px);
  font-size: 0.875rem;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
  z-index: 100;
}

.btn-dismiss {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
}

/* ===== Footer ===== */
.site-footer {
  margin-top: auto;
  padding: 28px 24px;
  text-align: center;
  font-size: 0.78rem;
  color: var(--gray-mid);
  background: var(--white);
  border-top: 1px solid var(--gray-light);
  letter-spacing: 0.04em;
}

.site-footer a {
  color: var(--crimson);
  text-decoration: none;
}
.site-footer a:hover { text-decoration: underline; }

/* ===== Form Section ===== */
.form-section {
  max-width: 540px;
  margin: 0 auto;
  padding: 40px 24px 72px;
}

.form-group {
  margin-bottom: 36px;
}

.form-question {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--charcoal);
  letter-spacing: 0.03em;
  margin-bottom: 14px;
  line-height: 1.4;
}

.form-optional {
  color: var(--gray-mid);
  font-size: 0.78rem;
  font-family: var(--font-sans);
  font-weight: 300;
  letter-spacing: 0.02em;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.btn-option {
  padding: 10px 20px;
  border: 1px solid var(--gold-light);
  background: var(--cream);
  color: var(--charcoal);
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
}

.btn-option:hover {
  border-color: var(--gold);
  background: var(--blush);
}

.btn-option.selected {
  background: var(--crimson);
  border-color: var(--crimson);
  color: var(--white);
}

.form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gold-light);
  background: var(--cream);
  color: var(--charcoal);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 300;
  border-radius: var(--radius);
  resize: vertical;
  min-height: 80px;
  transition: border-color var(--transition);
  letter-spacing: 0.02em;
  line-height: 1.6;
}

.form-textarea:focus {
  outline: none;
  border-color: var(--gold);
}

.form-textarea::placeholder {
  color: #AAAAAA;
}

.btn-continue {
  display: block;
  width: 100%;
  margin-top: 8px;
  padding: 17px;
  background: var(--gold);
  color: var(--white);
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--transition), opacity var(--transition);
}

.btn-continue:hover:not(:disabled) { background: var(--gold-dark); }
.btn-continue:disabled { opacity: 0.35; cursor: not-allowed; }

/* Product card per-item reason */
.product-card__reason {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.82rem;
  color: var(--gray-mid);
  line-height: 1.55;
  margin-top: 4px;
}

/* ===== Responsive ===== */
@media (max-width: 600px) {
  .site-header { height: 60px; }
  .logo-text { font-size: 1.45rem; letter-spacing: 0.4em; }
  .hero { padding: 44px 20px 36px; }
  .btn-option { font-size: 0.72rem; padding: 8px 14px; }
  .products-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .product-card__body { padding: 14px 12px 12px; }
  .product-card__title { font-size: 0.9rem; }
  .product-card__reason { font-size: 0.78rem; }
  .results-justificativa { font-size: 1rem; }
}

@media (max-width: 360px) {
  .products-grid { grid-template-columns: 1fr; }
}