/* ============================================
   FitStrong Kitchen — Design System
   Bold, clean, athletic. Dark accents, high contrast.
   ============================================ */

:root {
  --color-bg: #F7F8FA;
  --color-white: #FFFFFF;
  --color-text: #1A1A2E;
  --color-text-light: #6B7280;
  --color-accent: #16A34A;
  --color-accent-dark: #15803D;
  --color-accent-light: #DCFCE7;
  --color-dark: #111827;
  --color-border: #E5E7EB;
  --color-protein: #EAB308;

  --font-display: 'Montserrat', sans-serif;
  --font-body: 'Source Sans 3', sans-serif;

  --max-width: 1200px;
  --content-width: 760px;
  --radius: 12px;
  --radius-sm: 8px;
}

/* ---- Reset & Base ---- */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

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

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

/* ---- Navigation ---- */

.nav {
  background: var(--color-dark);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav__container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav__logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  color: var(--color-white);
  letter-spacing: -0.5px;
}

.nav__logo:hover {
  color: var(--color-white);
}

.nav__logo-icon {
  margin-right: 4px;
}

.nav__logo-accent {
  color: var(--color-accent);
}

.nav__links {
  display: flex;
  gap: 32px;
}

.nav__link {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #9CA3AF;
  transition: color 0.2s;
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-white);
}

/* ---- Hero ---- */

.hero {
  background: var(--color-dark);
  padding: 80px 24px 96px;
  text-align: center;
}

.hero__container {
  max-width: 680px;
  margin: 0 auto;
}

.hero__title {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.1;
  letter-spacing: -1px;
  margin-bottom: 16px;
}

.hero__title-accent {
  color: var(--color-accent);
}

.hero__tagline {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.hero__description {
  font-size: 1.05rem;
  color: #9CA3AF;
  line-height: 1.7;
  max-width: 560px;
  margin: 0 auto;
}

/* ---- Recipe Grid ---- */

.recipes {
  padding: 64px 24px;
}

.recipes__container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.recipe-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
}

.recipe-card {
  background: var(--color-white);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  color: var(--color-text);
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.recipe-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.1);
  color: var(--color-text);
}

.recipe-card--featured {
  grid-column: 1 / -1;
}

.recipe-card--featured .recipe-card__image-wrap {
  height: 400px;
}

.recipe-card__image-wrap {
  position: relative;
  height: 240px;
  overflow: hidden;
}

.recipe-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.recipe-card__tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--color-dark);
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 10px;
  border-radius: 4px;
}

.recipe-card__protein {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--color-accent);
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 4px 10px;
  border-radius: 4px;
}

.recipe-card__body {
  padding: 20px 24px 24px;
}

.recipe-card__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 4px;
}

.recipe-card__headline {
  font-size: 0.95rem;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

.recipe-card__meta {
  display: flex;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--color-text-light);
  font-weight: 500;
}

/* ---- CTA ---- */

.cta {
  background: var(--color-accent);
  padding: 64px 24px;
  text-align: center;
}

.cta__container {
  max-width: 520px;
  margin: 0 auto;
}

.cta__title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 8px;
}

.cta__text {
  color: var(--color-accent-light);
  margin-bottom: 24px;
}

.cta__form {
  display: flex;
  gap: 8px;
  max-width: 440px;
  margin: 0 auto;
}

.cta__input {
  flex: 1;
  padding: 12px 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.15);
  color: var(--color-white);
  font-size: 1rem;
  font-family: var(--font-body);
}

.cta__input::placeholder {
  color: rgba(255,255,255,0.6);
}

.cta__input:focus {
  outline: none;
  border-color: var(--color-white);
  background: rgba(255,255,255,0.25);
}

.cta__button {
  padding: 12px 24px;
  background: var(--color-dark);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: background 0.2s;
}

.cta__button:hover {
  background: #374151;
}

/* ---- Recipe Detail ---- */

.recipe-detail {
  padding: 32px 24px 80px;
}

.recipe-detail__container {
  max-width: var(--content-width);
  margin: 0 auto;
}

.breadcrumb {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 24px;
}

.breadcrumb a {
  color: var(--color-accent-dark);
}

.breadcrumb span {
  margin: 0 6px;
}

.recipe-detail__header {
  margin-bottom: 32px;
}

.recipe-detail__tags {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.recipe-detail__tag {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 12px;
  border-radius: 4px;
  background: var(--color-dark);
  color: var(--color-white);
}

.recipe-detail__tag--protein {
  background: var(--color-accent);
}

.recipe-detail__title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
}

.recipe-detail__headline {
  font-size: 1.2rem;
  color: var(--color-accent-dark);
  font-weight: 600;
  margin-bottom: 12px;
}

.recipe-detail__description {
  font-size: 1.05rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

.recipe-detail__info {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 16px;
}

.recipe-detail__info-item {
  background: var(--color-white);
  padding: 16px;
  text-align: center;
}

.recipe-detail__info-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-light);
  margin-bottom: 4px;
}

.recipe-detail__info-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
}

.recipe-detail__byline {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 32px;
}

.recipe-detail__hero {
  margin-bottom: 40px;
}

.recipe-detail__hero-image {
  width: 100%;
  border-radius: var(--radius);
  aspect-ratio: 16/9;
  object-fit: cover;
}

/* ---- Story ---- */

.recipe-detail__story {
  margin-bottom: 48px;
}

.recipe-detail__story p {
  margin-bottom: 16px;
  font-size: 1.05rem;
  line-height: 1.8;
}

/* ---- Full Recipe Card ---- */

.recipe-card-full {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.recipe-card-full__title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 24px;
  text-align: center;
}

/* ---- Macro Bar ---- */

.recipe-card-full__macros {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 32px;
}

.macro {
  text-align: center;
  padding: 16px 8px;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
}

.macro__value {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--color-accent-dark);
}

.macro__label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-light);
}

/* ---- Ingredients & Instructions ---- */

.recipe-card-full__body {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
}

.recipe-card-full__body h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-accent);
}

.recipe-card-full__ingredients ul {
  list-style: none;
}

.recipe-card-full__ingredients li {
  padding: 6px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
}

.recipe-card-full__ingredients li:last-child {
  border-bottom: none;
}

.ingredient-section {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8rem !important;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-accent-dark);
  padding-top: 16px !important;
  border-bottom: none !important;
}

.ingredient-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
}

.ingredient-check input[type="checkbox"] {
  margin-top: 4px;
  accent-color: var(--color-accent);
}

.ingredient-check input:checked + span {
  text-decoration: line-through;
  color: var(--color-text-light);
}

.recipe-card-full__instructions ol {
  padding-left: 0;
  counter-reset: step;
  list-style: none;
}

.recipe-card-full__instructions li {
  counter-increment: step;
  padding: 12px 0;
  padding-left: 44px;
  position: relative;
  font-size: 0.95rem;
  line-height: 1.7;
  border-bottom: 1px solid var(--color-border);
}

.recipe-card-full__instructions li:last-child {
  border-bottom: none;
}

.recipe-card-full__instructions li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 12px;
  width: 32px;
  height: 32px;
  background: var(--color-accent);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
}

/* ---- Widget ---- */

.recipe-detail__widget {
  margin-top: 32px;
  text-align: center;
}

/* ---- About ---- */

.about {
  padding: 64px 24px 80px;
}

.about__container {
  max-width: var(--content-width);
  margin: 0 auto;
}

.about__title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 32px;
}

.about__content p {
  margin-bottom: 20px;
  font-size: 1.05rem;
  line-height: 1.8;
}

.about__content h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: 40px;
  margin-bottom: 16px;
}

.about__list {
  margin: 16px 0 24px;
  padding-left: 24px;
}

.about__list li {
  margin-bottom: 10px;
  line-height: 1.7;
}

/* ---- Error Page ---- */

.error-page {
  text-align: center;
  padding: 120px 24px;
}

.error-page__code {
  font-family: var(--font-display);
  font-size: 8rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
}

.error-page__message {
  font-size: 1.1rem;
  color: var(--color-text-light);
  margin: 16px 0 32px;
}

.error-page__link {
  display: inline-block;
  padding: 12px 28px;
  background: var(--color-dark);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.error-page__link:hover {
  background: #374151;
  color: var(--color-white);
}

/* ---- Footer ---- */

.footer {
  background: var(--color-dark);
  color: #9CA3AF;
  padding: 48px 24px;
}

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

.footer__logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--color-white);
}

.footer__tagline {
  font-size: 0.9rem;
  color: var(--color-accent);
  margin-top: 4px;
  margin-bottom: 20px;
}

.footer__links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 20px;
}

.footer__links a {
  color: #9CA3AF;
  font-size: 0.9rem;
}

.footer__links a:hover {
  color: var(--color-white);
}

.footer__copy {
  font-size: 0.8rem;
  color: #6B7280;
}

/* ---- Responsive ---- */

@media (max-width: 768px) {
  .hero__title {
    font-size: 2.5rem;
  }

  .recipe-grid {
    grid-template-columns: 1fr;
  }

  .recipe-card--featured .recipe-card__image-wrap {
    height: 280px;
  }

  .recipe-detail__title {
    font-size: 1.8rem;
  }

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

  .recipe-card-full {
    padding: 24px;
  }

  .recipe-card-full__body {
    grid-template-columns: 1fr;
  }

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

  .cta__form {
    flex-direction: column;
  }
}