/* ---------------------------------------------------------
   MERIDIONAL.AG — design tokens
--------------------------------------------------------- */
:root {
  --green-900: #142720;
  --green-800: #1b342a;
  --green-700: #234135;
  --sage: #8b9683;
  --cream: #f4f1e9;
  --cream-2: #e9e4d6;
  --ink: #121a16;
  --ink-soft: rgba(18, 26, 22, 0.68);
  --cream-soft: rgba(244, 241, 233, 0.72);

  --font-head: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Inter", "Helvetica Neue", Arial, sans-serif;

  --container: 1180px;
  --gutter: clamp(20px, 5vw, 64px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

h1, h2, h3 {
  font-family: var(--font-head);
  margin: 0;
  line-height: 1.05;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 14px;
}
.eyebrow--light { color: var(--cream-soft); }

.h2 {
  font-size: clamp(1.9rem, 3.4vw, 2.7rem);
  font-weight: 800;
  color: var(--ink);
  max-width: 14ch;
}
.h2--light { color: var(--cream); }
.h2 strong {
  color: var(--green-700);
  font-weight: 900;
}
.h2--light strong,
.hero__headline strong,
.origin__highlight strong {
  color: var(--sage);
  font-weight: 900;
}

.body-text {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--ink-soft);
  max-width: 62ch;
  margin: 0 0 16px;
}
.body-text--light { color: var(--cream-soft); }

.rule {
  width: 48px;
  height: 2px;
  background: var(--green-700);
  margin: 20px 0 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 2px;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border: 1px solid transparent;
  transition: transform 0.2s ease, background 0.2s ease;
}
.btn--cream {
  background: var(--cream);
  color: var(--ink);
}
.btn--cream:hover { transform: translateY(-2px); }

/* ---------------------------------------------------------
   Layout helpers
--------------------------------------------------------- */
.section {
  padding: clamp(64px, 9vw, 120px) var(--gutter);
}
.section--cream { background: var(--cream); }
.section--dark { background: var(--green-900); }

/* ---------------------------------------------------------
   Nav
--------------------------------------------------------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px var(--gutter);
  transition: background 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
}
.nav--solid {
  background: var(--cream);
  box-shadow: 0 1px 0 rgba(18, 26, 22, 0.08);
  padding-top: 14px;
  padding-bottom: 14px;
}
.nav__inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav__logo {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}
.nav__logo-img {
  height: 22px;
  width: auto;
  display: block;
}
.nav__logo-img--light-bg { display: none; }
.nav--solid .nav__logo-img--dark-bg { display: none; }
.nav--solid .nav__logo-img--light-bg { display: block; }

.nav__links {
  display: flex;
  gap: 28px;
  flex: 1;
  justify-content: center;
}
.nav__links a {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--cream-soft);
  padding-bottom: 4px;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.nav--solid .nav__links a { color: var(--ink-soft); }
.nav__links a.is-active,
.nav__links a:hover {
  color: var(--cream);
  border-color: var(--sage);
}
.nav--solid .nav__links a.is-active,
.nav--solid .nav__links a:hover { color: var(--ink); }

.nav__langs {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 700;
}
.nav__lang { color: var(--cream-soft); }
.nav--solid .nav__lang { color: var(--ink-soft); }
.nav__lang.is-active { color: var(--sage); }
.nav--solid .nav__lang.is-active { color: var(--green-700); }
.nav__lang-sep { color: var(--cream-soft); opacity: 0.5; }
.nav--solid .nav__lang-sep { color: var(--ink-soft); }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 6px;
}
.nav__toggle span {
  width: 22px; height: 2px;
  background: var(--cream);
}
.nav--solid .nav__toggle span { background: var(--ink); }

/* ---------------------------------------------------------
   Hero
--------------------------------------------------------- */
.hero {
  background: var(--green-900);
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px var(--gutter) 80px;
  position: relative;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.3) sepia(0.12) hue-rotate(55deg) saturate(0.9) brightness(0.95) contrast(0.92);
}
.hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(20, 39, 32, 0.92) 0%, rgba(20, 39, 32, 0.8) 30%, rgba(20, 39, 32, 0.4) 60%, rgba(20, 39, 32, 0.55) 100%);
}
.hero__content {
  position: relative;
  z-index: 1;
  max-width: 46ch;
  margin: 0 auto;
  width: 100%;
  max-width: var(--container);
}
.hero__content > * { max-width: 46ch; }
.hero__content > .btn { max-width: none; }
.hero__headline {
  font-size: clamp(2.4rem, 5.4vw, 4.2rem);
  font-weight: 900;
  color: var(--cream);
  margin: 0 0 24px;
}
.hero__sub {
  color: var(--cream);
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 14px;
  max-width: 40ch;
}
.hero__body {
  color: var(--cream-soft);
  line-height: 1.7;
  margin: 0 0 32px;
  max-width: 44ch;
}
/* ---------------------------------------------------------
   Placeholder imagery (swap for real AI photography later)
--------------------------------------------------------- */
.placeholder-img {
  position: relative;
  background:
    repeating-linear-gradient(135deg, rgba(244,241,233,0.05) 0 2px, transparent 2px 14px),
    linear-gradient(160deg, var(--green-700), var(--green-900) 70%);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  min-height: 160px;
}
.placeholder-img::after {
  content: attr(data-placeholder);
  position: absolute;
  left: 12px;
  bottom: 10px;
  font-family: var(--font-body);
  font-size: 0.62rem;
  letter-spacing: 0.03em;
  color: var(--cream-soft);
  max-width: calc(100% - 24px);
  opacity: 0.75;
}

/* ---------------------------------------------------------
   Intro
--------------------------------------------------------- */
.intro__grid {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 64px;
}
.intro__panel {
  background: var(--green-900);
  color: var(--cream);
  padding: 40px;
  border-radius: 2px;
  align-self: start;
  border: 1px solid var(--green-700);
}
.intro__panel-label {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sage);
  margin: 0 0 18px;
}
.intro__panel-quote {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.5rem;
  line-height: 1.25;
  margin: 0;
}

/* ---------------------------------------------------------
   Pillars (flip cards)
--------------------------------------------------------- */
.pillars { max-width: var(--container); margin: 0 auto; }
.pillars__head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
  padding-bottom: 32px;
  margin-bottom: 40px;
  border-bottom: 1px solid var(--green-700);
}
.pillars__head-copy .body-text { margin-bottom: 12px; }
.pillars__head-copy .body-text:last-child { margin-bottom: 0; }
.pillars__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.card {
  perspective: 1400px;
  aspect-ratio: 3 / 4.6;
  outline: none;
}
.card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1);
  transform-style: preserve-3d;
}
.card:hover .card-inner,
.card:focus-visible .card-inner,
.card.is-flipped .card-inner {
  transform: rotateY(180deg);
}
.card-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: 2px;
  padding: 18px;
  display: flex;
  flex-direction: column;
}
.card-face--front {
  justify-content: space-between;
  overflow: hidden;
  background: var(--green-900);
}
.card-face__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.card-face--front .card-face__number,
.card-face--front .card-face__hint {
  position: relative;
  z-index: 2;
}
.card-face__number {
  font-family: var(--font-head);
  font-weight: 800;
  color: var(--cream-soft);
  font-size: 0.9rem;
}
.card-face__hint {
  font-weight: 700;
  color: var(--cream);
  font-size: 0.95rem;
}
.card-face--back {
  background: var(--green-800);
  border: 1px solid var(--green-700);
  color: var(--cream);
  transform: rotateY(180deg);
  justify-content: flex-start;
  gap: 10px;
}
.card-face--back h3 {
  font-size: 1.05rem;
  font-weight: 800;
}
.card-face--back p {
  font-size: 0.86rem;
  line-height: 1.55;
  color: var(--cream-soft);
  margin: 0;
}

/* ---------------------------------------------------------
   Agriculture / tabs
--------------------------------------------------------- */
.agriculture { max-width: var(--container); margin: 0 auto; }
.agriculture__grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 48px;
  align-items: start;
}
.agriculture__media {
  position: relative;
  border-radius: 2px;
  min-height: 340px;
  aspect-ratio: 3 / 4;
  overflow: hidden;
}
.agriculture__media-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.agriculture__intro { max-width: 60ch; margin-bottom: 40px; }
.tabs__labels {
  display: flex;
  gap: 32px;
  border-bottom: 1px solid var(--cream-2);
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.tabs__label {
  background: none;
  border: none;
  padding: 10px 0;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.tabs__label.is-active {
  color: var(--ink);
  border-color: var(--green-700);
}
.tabs__panel { display: none; max-width: 62ch; }
.tabs__panel.is-active { display: block; }
.tabs__panel h3 { font-size: 1.3rem; font-weight: 800; margin-bottom: 12px; }
.tabs__panel p { color: var(--ink-soft); line-height: 1.7; }

/* ---------------------------------------------------------
   Structure
--------------------------------------------------------- */
.structure { max-width: var(--container); margin: 0 auto; }
.structure__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.structure__diagram {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.structure__media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: 2px;
  margin-bottom: 20px;
  overflow: hidden;
}
.structure__media-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.structure__box {
  width: 100%;
  border: 1px solid var(--ink-soft);
  padding: 22px 26px;
  border-radius: 2px;
}
.structure__box-name { font-weight: 800; margin: 0 0 6px; }
.structure__box-role { font-size: 0.85rem; color: var(--ink-soft); margin: 0; }
.structure__arrow { font-size: 1.2rem; color: var(--ink-soft); }

/* ---------------------------------------------------------
   Origin
--------------------------------------------------------- */
.origin { max-width: var(--container); margin: 0 auto; }
.origin__grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 48px;
  align-items: start;
  margin-top: 24px;
}
.origin__highlight {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--cream);
  line-height: 1.35;
  border-left: 2px solid var(--sage);
  padding-left: 20px;
}

/* ---------------------------------------------------------
   Principles
--------------------------------------------------------- */
.principles { max-width: var(--container); margin: 0 auto; }
.principles__grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 48px;
}
.principles__media { position: relative; border-radius: 2px; overflow: hidden; }
.principles__media-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.principles__list {
  margin-top: 28px;
  border-top: 1px solid var(--cream-2);
}
.principles__item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--cream-2);
}
.principles__index {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.6rem;
  color: var(--green-700);
}
.principles__item h3 { font-size: 1.15rem; font-weight: 800; margin-bottom: 8px; }
.principles__item p { color: var(--ink-soft); line-height: 1.7; margin: 0; max-width: 64ch; }

/* ---------------------------------------------------------
   Contact
--------------------------------------------------------- */
.contact { max-width: var(--container); margin: 0 auto; }
.contact.section { margin-bottom: 56px; }
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}
.contact__form { display: flex; flex-direction: column; gap: 18px; }
.contact__honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.contact__form label { display: flex; flex-direction: column; gap: 8px; }
.contact__form span {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cream-soft);
}
.contact__form input,
.contact__form textarea {
  background: transparent;
  border: 1px solid var(--green-700);
  border-radius: 2px;
  padding: 12px 14px;
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 0.95rem;
  resize: vertical;
}
.contact__form input:focus,
.contact__form textarea:focus {
  outline: none;
  border-color: var(--sage);
}
.contact__form .btn { align-self: flex-start; margin-top: 6px; }
.contact__status { font-size: 0.85rem; color: var(--sage); min-height: 1em; margin: 0; }
.contact__status.is-error { color: #e2a0a0; }
.contact__form .btn:disabled { opacity: 0.6; cursor: not-allowed; }

/* ---------------------------------------------------------
   Footer
--------------------------------------------------------- */
.footer {
  background: var(--green-900);
  color: var(--cream);
  padding: 56px var(--gutter) 24px;
}
.footer__grid {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--green-700);
}
.footer__logo-img {
  height: 28px;
  width: auto;
  margin: 0 0 10px;
}
.footer__tagline { color: var(--cream-soft); margin: 0; }
.footer__entities p { margin: 0 0 4px; color: var(--cream-soft); font-size: 0.9rem; }
.footer__country { color: var(--sage) !important; margin-top: 8px !important; }
.footer__bottom {
  max-width: var(--container);
  margin: 20px auto 0;
  font-size: 0.78rem;
  color: var(--cream-soft);
}

/* ---------------------------------------------------------
   Responsive
--------------------------------------------------------- */
@media (max-width: 1024px) {
  .intro__grid { grid-template-columns: 1fr; }
  .structure__grid { grid-template-columns: 1fr; }
  .agriculture__grid { grid-template-columns: 1fr; }
  .agriculture__media { min-height: 240px; order: -1; }
  .principles__grid { grid-template-columns: 1fr; }
  .principles__media { min-height: 240px; }
  .origin__grid { grid-template-columns: 1fr; }
  .contact__grid { grid-template-columns: 1fr; }
  .pillars__grid { grid-template-columns: repeat(2, 1fr); }
  .pillars__head { grid-template-columns: 1fr; align-items: start; gap: 20px; }
}

@media (max-width: 768px) {
  .nav__links {
    position: fixed;
    top: 0; right: 0;
    height: 100vh;
    width: 78%;
    max-width: 320px;
    background: var(--green-900);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 24px;
    padding: 40px var(--gutter);
    transform: translateX(100%);
    transition: transform 0.3s ease;
  }
  .nav__links.is-open { transform: translateX(0); }
  .nav__links a { color: var(--cream); font-size: 1rem; }
  .nav__toggle { display: flex; }
  .principles__item { grid-template-columns: 1fr; gap: 8px; }
}

@media (max-width: 560px) {
  .pillars__grid { grid-template-columns: 1fr; }
}