/* ============================================
   ANATI — Nutrition Page Styles
   nutrition.css
   ============================================ */

/* ============ HERO ============ */
.nutrition-hero {
  position: relative;
  height: 80vh;
  min-height: 520px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  padding-top: var(--nav-height);
}

.nutrition-hero-image {
  position: absolute;
  inset: 0;
}

.nutrition-hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

.nutrition-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(30, 30, 28, 0.80) 0%,
    rgba(30, 30, 28, 0.2) 60%,
    transparent 100%
  );
}

.nutrition-hero-content {
  position: relative;
  z-index: 1;
  padding: 60px max(40px, calc((100vw - 1200px) / 2 + 40px));
  max-width: 700px;
}

.nutrition-hero-content h1 {
  color: #fff;
  margin-top: 16px;
}

.nutrition-hero-content h1 em {
  color: var(--earth);
  font-style: italic;
}

/* ============ INTRO ============ */
.nutrition-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.nutrition-intro-text p {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--text-mid);
  line-height: 1.8;
  margin-bottom: 20px;
}

.nutrition-intro-image img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}

/* ============ TOOLS SECTION ============ */
.tools-section {
  background: var(--beige);
  padding: 100px 0;
}

.tools-intro {
  text-align: center;
  margin-bottom: 56px;
}

.tools-grid {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

/* ============ TOOL ACCORDION ============ */
.tool-accordion {
  background: var(--warm-white);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: border-color var(--transition);
}

.tool-accordion.open {
  border-color: var(--sage);
}

.tool-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 32px;
  cursor: pointer;
  user-select: none;
  transition: background var(--transition);
}

.tool-header:hover {
  background: var(--beige);
}

.tool-accordion.open .tool-header {
  background: var(--beige);
  border-bottom: 1px solid var(--border);
}

.tool-header-left {
  display: flex;
  align-items: center;
  gap: 20px;
}

.tool-icon {
  width: 48px;
  height: 48px;
  background: var(--sage);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.tool-icon svg {
  width: 22px;
  height: 22px;
  color: white;
}

.tool-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--text-dark);
}

.tool-subtitle {
  font-size: 0.75rem;
  color: var(--text-light);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 4px;
}

.tool-toggle {
  font-size: 1.4rem;
  color: var(--sage);
  transition: transform var(--transition);
  font-family: var(--font-body);
  font-weight: 300;
}

.tool-accordion.open .tool-toggle {
  transform: rotate(45deg);
}

.tool-body {
  display: none;
  padding: 40px 32px;
}

.tool-accordion.open .tool-body {
  display: block;
}

/* ============ TOOL FORM ============ */
.tool-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 600px;
}

.tool-form-full {
  grid-column: 1 / -1;
}

.tool-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 6px;
}

.tool-input,
.tool-select {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--text-dark);
  background: var(--warm-white);
  border: 1px solid var(--border-strong);
  padding: 12px 16px;
  outline: none;
  transition: border-color var(--transition);
  -webkit-appearance: none;
}

.tool-input:focus,
.tool-select:focus {
  border-color: var(--sage);
}

.tool-btn {
  margin-top: 8px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 14px 28px;
  border: 1px solid var(--text-dark);
  background: var(--text-dark);
  color: var(--warm-white);
  cursor: pointer;
  transition: all var(--transition);
}

.tool-btn:hover {
  background: var(--sage-dark);
  border-color: var(--sage-dark);
}

/* ============ TOOL RESULT ============ */
.tool-result {
  display: none;
  margin-top: 32px;
  padding: 32px;
  background: var(--beige);
  border-left: 4px solid var(--sage);
}

.tool-result.visible {
  display: block;
}

.result-main {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 300;
  color: var(--text-dark);
  line-height: 1;
}

.result-unit {
  font-size: 1.2rem;
  color: var(--sage);
  margin-left: 6px;
}

.result-label {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-top: 8px;
}

.result-detail {
  margin-top: 20px;
  font-size: 0.9rem;
  color: var(--text-mid);
  line-height: 1.7;
}

.result-ranges {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 20px;
}

.result-range {
  padding: 12px 16px;
  background: var(--warm-white);
  text-align: center;
}

.result-range-label {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 4px;
}

.result-range-value {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--text-dark);
}

.result-range.highlight {
  background: var(--sage);
}

.result-range.highlight .result-range-label,
.result-range.highlight .result-range-value {
  color: white;
}

/* ============ MENU RESULT ============ */
.menu-result {
  display: none;
  margin-top: 32px;
}

.menu-result.visible {
  display: block;
}

.menu-day {
  margin-bottom: 24px;
}

.menu-day-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--text-dark);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.menu-meals {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.menu-meal {
  background: var(--beige);
  padding: 20px;
  border-left: 3px solid var(--sage);
}

.menu-meal-type {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sage);
  margin-bottom: 8px;
}

.menu-meal-name {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--text-dark);
  margin-bottom: 6px;
}

.menu-meal-cal {
  font-size: 0.75rem;
  color: var(--text-light);
}

.menu-meal-desc {
  font-size: 0.8rem;
  color: var(--text-mid);
  margin-top: 8px;
  line-height: 1.5;
}

/* ============ PRINCIPLES ============ */
.principles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.principle-item {
  padding: 32px;
  border: 1px solid var(--border);
  transition: border-color var(--transition);
}

.principle-item:hover {
  border-color: var(--sage);
}

.principle-item h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 12px;
}

.principle-item p {
  font-size: 0.875rem;
  color: var(--text-mid);
  line-height: 1.7;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .result-ranges { grid-template-columns: repeat(2, 1fr); }
  .menu-meals { grid-template-columns: repeat(2, 1fr); }
  .principles-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nutrition-intro { grid-template-columns: 1fr; gap: 40px; }
  .tool-form { grid-template-columns: 1fr; }
  .result-ranges { grid-template-columns: repeat(2, 1fr); }
  .menu-meals { grid-template-columns: 1fr; }
  .principles-grid { grid-template-columns: 1fr; }
  .tool-header { padding: 20px 24px; }
  .tool-body { padding: 28px 24px; }
  .nutrition-hero-content { padding: 40px 24px; }
}