/* ============================================
   Turkaylar Aquaculture — Modern Redesign
   Clean, high-contrast, fast, responsive
   ============================================ */

:root {
  /* High-contrast palette */
  --bg: #0a1628;
  --bg-elevated: #0f1f35;
  --bg-card: #132742;
  --surface: #1a3352;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);

  --text: #f0f4f8;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --accent: #38bdf8;
  --accent-soft: rgba(56, 189, 248, 0.15);
  --accent-hover: #7dd3fc;
  --teal: #2dd4bf;
  --teal-soft: rgba(45, 212, 191, 0.12);

  --radius: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --font-sans: "DM Sans", system-ui, -apple-system, sans-serif;
  --font-serif: "Instrument Serif", Georgia, serif;

  --shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
  --header-h: 72px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button, input, textarea {
  font: inherit;
  color: inherit;
  border: none;
  background: none;
}
button { cursor: pointer; }
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 1000;
  padding: 0.75rem 1.25rem;
  background: var(--accent);
  color: var(--bg);
  font-weight: 600;
  border-radius: var(--radius);
  transition: top 0.2s;
}
.skip-link:focus { top: 1rem; }

.container {
  width: min(1120px, 100% - 2.5rem);
  margin-inline: auto;
}

/* ---------- Header ---------- */
.header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  background: rgba(10, 22, 40, 0.75);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s;
}
.header.is-scrolled {
  border-bottom-color: var(--border);
  background: rgba(10, 22, 40, 0.92);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.logo__mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--teal));
  color: var(--bg);
  font-weight: 700;
  font-size: 1.1rem;
  border-radius: 10px;
  transition: transform 0.3s var(--ease);
}
.logo:hover .logo__mark { transform: scale(1.06) rotate(-3deg); }
.logo__text { font-size: 1.15rem; }

.nav__list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.nav__link {
  padding: 0.5rem 0.9rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: var(--radius-full);
  transition: color 0.2s, background 0.2s;
}
.nav__link:hover { color: var(--text); background: var(--accent-soft); }
.nav__link--cta {
  background: var(--accent);
  color: var(--bg) !important;
  font-weight: 600;
  margin-left: 0.5rem;
}
.nav__link--cta:hover {
  background: var(--accent-hover);
  color: var(--bg) !important;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.lang-switch {
  display: flex;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 3px;
}
.lang-btn {
  padding: 0.3rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  border-radius: var(--radius-full);
  transition: all 0.2s;
}
.lang-btn.is-active {
  background: var(--surface);
  color: var(--text);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  width: 40px;
  height: 40px;
  justify-content: center;
}
.menu-toggle span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
  transition: transform 0.3s var(--ease), opacity 0.2s;
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 3rem) 0 4rem;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 20%, rgba(56, 189, 248, 0.12), transparent),
    radial-gradient(ellipse 60% 50% at 20% 80%, rgba(45, 212, 191, 0.08), transparent),
    var(--bg);
  pointer-events: none;
}
.hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: 0.5;
}

.hero__content { position: relative; z-index: 1; max-width: 720px; }

.hero__eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2.6rem, 6.5vw, 4.25rem);
  font-weight: 400;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}
.hero__title span { display: block; }
.hero__title-accent {
  background: linear-gradient(105deg, var(--accent), var(--teal));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__lead {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 540px;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 3.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: transform 0.25s var(--ease), background 0.2s, box-shadow 0.25s;
}
.btn:active { transform: scale(0.97); }
.btn--primary {
  background: var(--accent);
  color: var(--bg);
  box-shadow: 0 4px 20px rgba(56, 189, 248, 0.3);
}
.btn--primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 6px 28px rgba(56, 189, 248, 0.4);
  transform: translateY(-2px);
}
.btn--ghost {
  border: 1px solid var(--border-strong);
  color: var(--text);
}
.btn--ghost:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}
.btn--full { width: 100%; }

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.stat { display: flex; flex-direction: column; }
.stat__value {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.02em;
}
.stat__suffix {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--accent);
  margin-left: 0.1em;
}
.stat .stat__value,
.stat .stat__suffix { display: inline; }
.stat__label {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 40px;
  border: 2px solid var(--border-strong);
  border-radius: 12px;
  opacity: 0.5;
}
.hero__scroll span {
  position: absolute;
  top: 8px;
  left: 50%;
  width: 4px;
  height: 8px;
  background: var(--accent);
  border-radius: 2px;
  transform: translateX(-50%);
  animation: scroll-hint 1.8s var(--ease) infinite;
}
@keyframes scroll-hint {
  0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
  50% { opacity: 0.3; transform: translateX(-50%) translateY(12px); }
}

/* ---------- Sections ---------- */
.section {
  padding: 5.5rem 0;
}
.section__header {
  max-width: 560px;
  margin-bottom: 3rem;
}
.section__eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.section__title {
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 4vw, 2.75rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 0.75rem;
}
.section__desc {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* ---------- Cards ---------- */
.cards {
  display: grid;
  gap: 1.25rem;
}
.cards--4 {
  grid-template-columns: repeat(4, 1fr);
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: transform 0.35s var(--ease), border-color 0.3s, box-shadow 0.35s;
}
.card:hover {
  transform: translateY(-4px);
  border-color: rgba(56, 189, 248, 0.25);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}
.card__icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 12px;
  margin-bottom: 1.25rem;
}
.card__icon svg { width: 22px; height: 22px; }
.card__title {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.85rem;
  letter-spacing: -0.01em;
}
.card__list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.card__list li {
  font-size: 0.9rem;
  color: var(--text-muted);
  padding-left: 1rem;
  position: relative;
}
.card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  background: var(--teal);
  border-radius: 50%;
}

/* ---------- Why blocks ---------- */
.why {
  background: var(--bg-elevated);
  border-block: 1px solid var(--border);
}
.why__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.why-block {
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color 0.3s;
}
.why-block:hover { border-color: rgba(45, 212, 191, 0.3); }
.why-block__num {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--accent);
  opacity: 0.7;
  margin-bottom: 1rem;
  display: block;
}
.why-block__title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}
.why-block__text {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1.25rem;
}
.why-block__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.why-block__tags li {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.3rem 0.7rem;
  background: var(--teal-soft);
  color: var(--teal);
  border-radius: var(--radius-full);
}

/* ---------- Trust ---------- */
.trust__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 3rem;
  align-items: start;
}
.trust__text {
  color: var(--text-muted);
  margin: 1rem 0 1.5rem;
  line-height: 1.7;
}
.trust__list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.trust__list li {
  font-size: 0.95rem;
  color: var(--text-muted);
  padding-left: 1.4rem;
  position: relative;
}
.trust__list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--teal);
  font-weight: 600;
}
.trust__certs {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}
.trust__certs-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 1.25rem;
}
.certs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.65rem;
}
.cert {
  display: grid;
  place-items: center;
  padding: 0.85rem 0.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--text-muted);
  transition: border-color 0.2s, color 0.2s;
}
.cert:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ---------- Contact ---------- */
.contact__card {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 3rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  overflow: hidden;
}
.contact__text {
  color: var(--text-muted);
  margin: 0.75rem 0 1.75rem;
}
.contact__details {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.contact__link {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.contact__link-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.contact__link a,
a.contact__link {
  color: var(--accent);
  font-weight: 500;
  transition: color 0.2s;
}
a.contact__link:hover { color: var(--accent-hover); }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1rem;
}
.form-field span {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
}
.form-field input,
.form-field textarea {
  padding: 0.75rem 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s, box-shadow 0.2s;
  resize: vertical;
}
.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.form-note {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-align: center;
  margin-top: 0.75rem;
}

/* ---------- Footer ---------- */
.footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
}
.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.footer__brand p {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: 0.35rem;
}
.footer__copy {
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* ---------- Reveal animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal:nth-child(2) { transition-delay: 0.08s; }
.reveal:nth-child(3) { transition-delay: 0.16s; }
.reveal:nth-child(4) { transition-delay: 0.24s; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .cards--4 { grid-template-columns: repeat(2, 1fr); }
  .why__grid { grid-template-columns: 1fr; }
  .trust__inner { grid-template-columns: 1fr; }
  .contact__card { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 720px) {
  :root { --header-h: 64px; }

  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto;
    background: rgba(10, 22, 40, 0.97);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 1rem;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.35s var(--ease), opacity 0.3s;
  }
  .nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
  }
  .nav__link {
    display: block;
    padding: 0.85rem 1rem;
    font-size: 1rem;
  }
  .nav__link--cta { margin-left: 0; text-align: center; }

  .menu-toggle { display: flex; }

  .hero { padding-top: calc(var(--header-h) + 2rem); }
  .hero__stats { gap: 1.5rem; }
  .stat__value { font-size: 1.85rem; }

  .cards--4 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .certs-grid { grid-template-columns: repeat(2, 1fr); }

  .section { padding: 4rem 0; }
  .contact__card { padding: 1.75rem; }
}

@media (max-width: 400px) {
  .container { width: min(100% - 1.5rem, 1120px); }
  .hero__cta { flex-direction: column; }
  .btn { width: 100%; }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .hero__scroll span { animation: none; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---------- Nav active state ---------- */
.nav__link.is-active {
  color: var(--text);
  background: var(--accent-soft);
}

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  padding: calc(var(--header-h) + 3.5rem) 0 2.5rem;
  background:
    radial-gradient(ellipse 70% 50% at 60% 0%, rgba(56, 189, 248, 0.1), transparent),
    var(--bg);
}
.page-hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 5vw, 3.5rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 0.85rem;
}
.page-hero__lead {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.65;
}

/* ---------- Products page ---------- */
.products-section { padding-top: 1rem; }
.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: transform 0.35s var(--ease), border-color 0.3s, box-shadow 0.35s;
}
.product-card:hover {
  transform: translateY(-3px);
  border-color: rgba(56, 189, 248, 0.25);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.28);
}
.product-card--featured {
  border-color: rgba(45, 212, 191, 0.25);
  background: linear-gradient(160deg, var(--bg-card) 0%, rgba(45, 212, 191, 0.06) 100%);
}
.product-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.product-card__title {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.35;
}
.product-card__sub {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--teal);
  margin-top: 0.2rem;
}
.product-card__badge {
  flex-shrink: 0;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.3rem 0.65rem;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: var(--radius-full);
}
.product-card__badge--teal {
  background: var(--teal-soft);
  color: var(--teal);
}
.product-specs {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.product-specs > div {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 0.5rem;
  align-items: start;
}
.product-specs dt {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding-top: 0.1rem;
}
.product-specs dd {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}
.products-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2.5rem;
  padding: 1.75rem 2rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.products-cta p {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* ---------- Sustainability page ---------- */
.sust-section { padding-top: 1rem; }
.sust-intro {
  margin-bottom: 2.5rem;
  max-width: 600px;
}
.sust-intro__text {
  color: var(--text-muted);
  margin-top: 0.75rem;
  line-height: 1.65;
}
.sust-facility {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 1.5rem;
  transition: border-color 0.3s;
}
.sust-facility:hover {
  border-color: rgba(45, 212, 191, 0.3);
}
.sust-facility__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
}
.sust-facility__name {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.4;
  margin-bottom: 0.35rem;
}
.sust-facility__period {
  font-size: 0.8rem;
  color: var(--text-dim);
  font-weight: 500;
}
.sust-facility__tag {
  flex-shrink: 0;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.7rem;
  background: var(--teal-soft);
  color: var(--teal);
  border-radius: var(--radius-full);
}
.sust-list {
  list-style: none;
  counter-reset: sust;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
.sust-list > li {
  counter-increment: sust;
  position: relative;
  padding-left: 2.25rem;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.sust-list > li::before {
  content: counter(sust);
  position: absolute;
  left: 0;
  top: 0;
  width: 1.6rem;
  height: 1.6rem;
  display: grid;
  place-items: center;
  font-size: 0.7rem;
  font-weight: 700;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 50%;
}
.sust-list__meta {
  margin-top: 0.5rem;
  padding-left: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.sust-list__meta li {
  font-size: 0.85rem;
  color: var(--text-dim);
  padding-left: 1rem;
  position: relative;
}
.sust-list__meta li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--teal);
}

.sust-highlights {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 2.5rem;
}
.sust-stat {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.25rem;
  text-align: center;
  transition: border-color 0.25s;
}
.sust-stat:hover { border-color: rgba(56, 189, 248, 0.3); }
.sust-stat__value {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.85rem;
  letter-spacing: -0.02em;
  color: var(--accent);
  margin-bottom: 0.4rem;
}
.sust-stat__label {
  font-size: 0.75rem;
  color: var(--text-dim);
  line-height: 1.4;
}

/* ---------- Responsive: products & sust ---------- */
@media (max-width: 960px) {
  .product-grid { grid-template-columns: 1fr; }
  .sust-highlights { grid-template-columns: repeat(2, 1fr); }
  .product-specs > div { grid-template-columns: 1fr; gap: 0.2rem; }
}
@media (max-width: 720px) {
  .page-hero { padding-top: calc(var(--header-h) + 2.5rem); }
  .sust-facility { padding: 1.5rem; }
  .sust-facility__header { flex-direction: column; }
  .products-cta { flex-direction: column; text-align: center; }
  .sust-highlights { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 400px) {
  .sust-highlights { grid-template-columns: 1fr; }
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.logo__mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--teal));
  color: var(--bg);
  font-weight: 700;
  font-size: 1.1rem;
  border-radius: 10px;
  transition: transform 0.3s var(--ease);
}
.logo:hover .logo__mark { transform: scale(1.06) rotate(-3deg); }
.logo__text { font-size: 1.15rem; }

/* Hero photo background */
.hero__bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.78;
  filter: saturate(0.85) brightness(0.55);
}
.hero__bg::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(10,22,40,0.55) 0%, rgba(10,22,40,0.75) 45%, var(--bg) 100%),
    radial-gradient(ellipse 80% 50% at 70% 20%, rgba(56, 189, 248, 0.15), transparent);
}
.hero__bg::after {
  z-index: 2;
  opacity: 0.35;
}
.hero__content { z-index: 3; }
.hero__scroll { z-index: 3; }

/* Cards without icons — tighter top padding */
.card { padding-top: 1.5rem; }
.card__title { margin-top: 0; }

/* Form note update style stays */