/* ==========================================================================
   ManVitalize — Sejtszintű Energia és Anyagcsere
   Checkerboard Split-Tile Bioenergetic Design System
   Colors: #FAFAFA (White), #F4A261 (Amber), #2A9D8F (Teal), #264653 (Graphite)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Plus+Jakarta+Sans:wght@600;700;800&display=swap');

:root {
  --bg-main: #FAFAFA;
  --bg-white: #FFFFFF;
  --tile-amber: #F4A261;
  --tile-amber-soft: #FCE8D5;
  --tile-teal: #2A9D8F;
  --tile-teal-soft: #DDF2EF;
  --tile-graphite: #264653;
  --color-teal: #2A9D8F;
  --color-teal-dark: #1F7A6F;
  --color-amber: #F4A261;
  --color-graphite: #264653;
  --color-text: #264653;
  --color-text-muted: #4A6670;
  --border-light: rgba(38, 70, 83, 0.12);
  --transition: all 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-main);
  color: var(--color-text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
}

h1, h2, h3, h4, .brand-logo {
  font-family: 'Plus Jakarta Sans', sans-serif;
  color: var(--color-graphite);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

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

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ==========================================================================
   Minimalist Editorial Header (No Icons, Pure Typography)
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #FAFAFA;
  border-bottom: 1px solid var(--border-light);
}

.nav-wrapper {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 76px;
  padding: 0 2.5rem;
  max-width: 1440px;
  margin: 0 auto;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1.75rem;
}

.brand-logo {
  font-size: 1.25rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-graphite);
  text-align: center;
  padding: 0.4rem 1rem;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  padding: 0.4rem 0;
  border-bottom: 2px solid transparent;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-graphite);
  border-bottom-color: var(--color-teal);
}

.mobile-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-light);
  padding: 0.45rem 0.75rem;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-graphite);
  cursor: pointer;
}

.mobile-nav-drawer {
  display: none;
  background: #FAFAFA;
  border-bottom: 1px solid var(--border-light);
  padding: 1.25rem 2rem;
  flex-direction: column;
  gap: 0.85rem;
  text-align: center;
}

.mobile-nav-drawer.open {
  display: flex;
}

/* ==========================================================================
   Buttons (Sharp Rectangular Studio Buttons as in Reference)
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 0.86rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.95rem 2.1rem;
  border-radius: 0;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-align: center;
}

.btn-dark {
  background-color: var(--color-graphite);
  color: #FAFAFA;
}

.btn-dark:hover {
  background-color: var(--color-teal);
  color: #FFFFFF;
}

.btn-teal {
  background-color: var(--color-teal);
  color: #FFFFFF;
}

.btn-teal:hover {
  background-color: var(--color-graphite);
  color: #FFFFFF;
}

.btn-amber {
  background-color: var(--color-amber);
  color: var(--color-graphite);
}

.btn-amber:hover {
  background-color: #E58E49;
  color: var(--color-graphite);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-graphite);
  border: 1.5px solid var(--color-graphite);
}

.btn-outline:hover {
  background-color: var(--color-graphite);
  color: #FAFAFA;
}

/* ==========================================================================
   Checkerboard Split-Tile Grid System (50% / 50% Full-Bleed Blocks)
   ========================================================================== */

.checker-board {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  background: var(--bg-main);
}

.checker-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 560px;
}

.tile-media {
  position: relative;
  overflow: hidden;
  background: var(--tile-teal-soft);
  min-height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tile-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

.tile-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4.5rem 4rem;
}

.tile-content.align-left {
  align-items: flex-start;
  text-align: left;
}

.tile-amber {
  background-color: var(--tile-amber-soft);
}

.tile-amber-strong {
  background-color: var(--tile-amber);
}

.tile-teal {
  background-color: var(--tile-teal-soft);
}

.tile-teal-strong {
  background-color: var(--tile-teal);
  color: #FAFAFA;
}

.tile-teal-strong h1,
.tile-teal-strong h2,
.tile-teal-strong h3,
.tile-teal-strong p {
  color: #FAFAFA;
}

.tile-white {
  background-color: #FAFAFA;
}

.tile-graphite {
  background-color: var(--tile-graphite);
  color: #FAFAFA;
}

.tile-graphite h1,
.tile-graphite h2,
.tile-graphite h3,
.tile-graphite p {
  color: #FAFAFA;
}

.tile-inner {
  max-width: 490px;
  width: 100%;
}

.tile-kicker {
  display: inline-block;
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-teal);
  margin-bottom: 1rem;
}

.tile-amber-strong .tile-kicker {
  color: var(--color-graphite);
}

.tile-teal-strong .tile-kicker,
.tile-graphite .tile-kicker {
  color: var(--color-amber);
}

.tile-title {
  font-size: clamp(1.85rem, 3vw, 2.55rem);
  font-weight: 800;
  margin-bottom: 1.25rem;
  color: var(--color-graphite);
}

.tile-text {
  font-size: 0.98rem;
  color: var(--color-text-muted);
  margin-bottom: 1.85rem;
  line-height: 1.7;
}

.tile-amber-strong .tile-text {
  color: var(--color-graphite);
}

/* ==========================================================================
   Structured Lists & Proportions inside Tiles
   ========================================================================== */

.tile-list {
  text-align: left;
  margin: 0 auto 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.tile-list li {
  padding-left: 1.25rem;
  position: relative;
  font-size: 0.94rem;
  color: var(--color-graphite);
}

.tile-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--color-teal);
  font-weight: 700;
}

.tile-graphite .tile-list li,
.tile-teal-strong .tile-list li {
  color: #FAFAFA;
}

.tile-graphite .tile-list li::before,
.tile-teal-strong .tile-list li::before {
  color: var(--color-amber);
}

.proportion-strip {
  width: 100%;
  margin: 1.5rem 0;
}

.proportion-bar {
  display: flex;
  height: 18px;
  width: 100%;
  border: 1px solid var(--color-graphite);
}

.prop-50 {
  width: 50%;
  background: var(--color-teal);
}

.prop-25-amber {
  width: 25%;
  background: var(--color-amber);
}

.prop-25-dark {
  width: 25%;
  background: var(--color-graphite);
}

.proportion-labels {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 0.5rem;
  margin-top: 0.65rem;
  font-size: 0.8rem;
  text-align: left;
  font-weight: 600;
}

/* ==========================================================================
   Nutrient Table & Full-Width Blocks
   ========================================================================== */

.full-band {
  max-width: 1440px;
  margin: 0 auto;
  padding: 5rem 3rem;
  background: #FAFAFA;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.band-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3rem;
}

.nutrient-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border-light);
  background: #FFFFFF;
}

.nutrient-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.nutrient-table th,
.nutrient-table td {
  padding: 1.15rem 1.4rem;
  border-bottom: 1px solid var(--border-light);
  font-size: 0.94rem;
}

.nutrient-table th {
  background: var(--color-graphite);
  color: #FAFAFA;
  font-family: 'Plus Jakarta Sans', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.82rem;
}

/* ==========================================================================
   Offer Page (Ajánlat) — Custom Photo Slot & GMP Grid
   ========================================================================== */

.offer-photo-stage {
  width: 100%;
  height: 100%;
  min-height: 520px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 2.5rem;
  background: var(--tile-teal-soft);
}

.offer-image-box {
  position: relative;
  flex: 1;
  width: 100%;
  min-height: 360px;
  border: 2px dashed rgba(38, 70, 83, 0.28);
  background: #FAFAFA;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.offer-image-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

.offer-upload-bar {
  margin-top: 1.25rem;
  padding: 0.9rem 1.2rem;
  background: #FAFAFA;
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.offer-upload-bar span {
  font-size: 0.84rem;
  color: var(--color-text-muted);
}

.upload-trigger {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.55rem 1.1rem;
  background: var(--color-graphite);
  color: #FAFAFA;
  cursor: pointer;
  transition: var(--transition);
}

.upload-trigger:hover {
  background: var(--color-teal);
}

.gmp-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--border-light);
  max-width: 1440px;
  margin: 0 auto;
}

.gmp-cell {
  padding: 3.2rem 2.2rem;
  text-align: center;
  border-right: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  background: #FAFAFA;
}

.gmp-cell:nth-child(even) {
  background: var(--tile-amber-soft);
}

.gmp-cell:last-child {
  border-right: none;
}

.gmp-step {
  display: inline-block;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-teal);
  margin-bottom: 0.75rem;
}

.gmp-cell h3 {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.gmp-cell p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   Order Form inside Checkerboard Tile
   ========================================================================== */

.form-box {
  width: 100%;
  max-width: 460px;
  text-align: left;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-graphite);
  margin-bottom: 0.45rem;
}

.form-input {
  width: 100%;
  padding: 0.95rem 1rem;
  font-family: inherit;
  font-size: 0.98rem;
  color: var(--color-graphite);
  background: #FFFFFF;
  border: 1.5px solid var(--color-graphite);
  border-radius: 0;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-teal);
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin: 1.5rem 0;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--border-light);
}

.checkbox-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 0.2rem;
  accent-color: var(--color-graphite);
  cursor: pointer;
  flex-shrink: 0;
}

.checkbox-group label {
  font-size: 0.85rem;
  color: var(--color-graphite);
  cursor: pointer;
  line-height: 1.5;
}

.form-error {
  display: none;
  color: #912018;
  background: #FEE4E2;
  border: 1px solid #FECDCA;
  padding: 0.75rem 1rem;
  font-size: 0.86rem;
  margin-bottom: 1.2rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background: var(--color-graphite);
  color: rgba(250, 250, 250, 0.85);
  padding: 3.5rem 0 2.5rem;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 2.2rem;
  border-bottom: 1px solid rgba(250, 250, 250, 0.14);
}

.footer-brand {
  color: #FAFAFA;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.2rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  display: inline-block;
  margin-bottom: 0.85rem;
}

.footer-title {
  color: #FAFAFA;
  font-size: 0.86rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.footer-links a {
  color: rgba(250, 250, 250, 0.75);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--color-amber);
}

.footer-disclaimer {
  padding-top: 1.8rem;
  font-size: 0.8rem;
  color: rgba(250, 250, 250, 0.6);
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 992px) {
  .checker-row {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .checker-row .tile-media {
    min-height: 380px;
    order: -1;
  }

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

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

@media (max-width: 820px) {
  .nav-left,
  .nav-right {
    display: none;
  }

  .nav-wrapper {
    display: flex;
    justify-content: space-between;
    padding: 0 1.5rem;
  }

  .brand-logo {
    padding: 0;
  }

  .mobile-toggle {
    display: inline-block;
  }

  .tile-content {
    padding: 3.2rem 1.75rem;
  }

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

  .gmp-cell {
    border-right: none;
  }
}