/* OptiFEM public marketing — full-width editorial layout
   Structure inspired by clean product sites (e.g. series + full-bleed hero);
   brand colours and content are OptiFEM / INNOV8HEAT. */

@import url("https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,700&family=Outfit:wght@400;500;600;700&display=swap");

:root {
  --m-ink: #14202c;
  --m-ink-soft: #4a5562;
  --m-ink-faint: #7a8694;
  --m-line: #d8dee6;
  --m-paper: #f6f8fa;
  --m-white: #ffffff;
  --m-blue: #1f5a8c;
  --m-blue-deep: #0e3d63;
  --m-green: #2f9e44;
  --m-green-soft: #e6f5ea;
  --m-heat: #d64a3c;
  --m-cool: #2f6fc4;
  --m-font: "Outfit", system-ui, sans-serif;
  --m-display: "Fraunces", Georgia, serif;
  --m-nav-h: 68px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.mkt {
  margin: 0;
  font-family: var(--m-font);
  font-size: 16px;
  line-height: 1.55;
  color: var(--m-ink);
  background: var(--m-white);
  -webkit-font-smoothing: antialiased;
}
body.mkt a { color: inherit; text-decoration: none; }
body.mkt img { max-width: 100%; display: block; }
.mkt-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* —— Nav —— */
.mkt-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--m-nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(18px, 4vw, 48px);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, background 0.25s ease;
}
.mkt-nav.scrolled { border-bottom-color: var(--m-line); }
.mkt-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--m-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  color: var(--m-blue-deep);
}
.mkt-brand img {
  width: 36px;
  height: 36px;
  object-fit: cover;
  border-radius: 6px;
}
.mkt-brand span { color: var(--m-ink-faint); font-weight: 500; font-size: 0.72em; margin-left: 2px; }
.mkt-nav-links {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.2vw, 28px);
  list-style: none;
  margin: 0;
  padding: 0;
}
.mkt-nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--m-ink-soft);
  position: relative;
}
.mkt-nav-links a:hover,
.mkt-nav-links a[aria-current="page"] { color: var(--m-blue-deep); }
.mkt-nav-links a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  background: var(--m-green);
}
.mkt-nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 1.1rem;
  background: var(--m-blue);
  color: #fff !important;
  font-weight: 600;
  font-size: 0.88rem;
  border-radius: 4px;
  transition: background 0.2s ease, transform 0.2s ease;
}
.mkt-nav-cta:hover { background: var(--m-blue-deep); color: #fff !important; transform: translateY(-1px); }
.mkt-nav-toggle {
  display: none;
  border: 1px solid var(--m-line);
  background: var(--m-white);
  padding: 8px 12px;
  border-radius: 4px;
  font: inherit;
  font-weight: 600;
  color: var(--m-ink-soft);
  cursor: pointer;
}

/* —— Hero (one composition) —— */
.mkt-hero {
  position: relative;
  min-height: calc(100vh - var(--m-nav-h));
  min-height: calc(100dvh - var(--m-nav-h));
  display: grid;
  align-items: end;
  overflow: hidden;
  color: #fff;
}
.mkt-hero .mkt-hero-brand,
.mkt-hero h1,
.mkt-hero p,
.mkt-hero a {
  color: #fff !important;
}
.mkt-hero-media {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(14, 61, 99, 0.25) 0%, rgba(14, 61, 99, 0.72) 70%, rgba(14, 61, 99, 0.88) 100%),
    url("../frontend_images/stock_3.jpg") center / cover no-repeat;
  transform: scale(1.04);
  animation: mkt-hero-drift 18s ease-in-out alternate infinite;
}
@keyframes mkt-hero-drift {
  from { transform: scale(1.04) translate3d(0, 0, 0); }
  to { transform: scale(1.1) translate3d(-1.5%, -1%, 0); }
}
.mkt-hero-inner {
  position: relative;
  z-index: 1;
  padding: clamp(40px, 8vh, 96px) clamp(18px, 4vw, 48px) clamp(48px, 9vh, 100px);
  max-width: 920px;
}
.mkt-hero-brand {
  font-family: var(--m-display);
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0 0 0.35em;
  animation: mkt-rise 0.9s ease both;
}
.mkt-hero h1 {
  font-family: var(--m-display);
  font-size: clamp(1.55rem, 3.2vw, 2.35rem);
  font-weight: 500;
  line-height: 1.25;
  margin: 0 0 0.75em;
  max-width: 18ch;
  animation: mkt-rise 0.9s ease 0.12s both;
}
.mkt-hero p {
  font-size: clamp(1.02rem, 1.6vw, 1.2rem);
  max-width: 38rem;
  margin: 0 0 1.6rem;
  opacity: 0.92;
  animation: mkt-rise 0.9s ease 0.22s both;
}
.mkt-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  animation: mkt-rise 0.9s ease 0.32s both;
}
@keyframes mkt-rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

.mkt-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.35rem;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 4px;
  border: 1px solid transparent;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.mkt-btn:hover { transform: translateY(-1px); }
.mkt-btn-primary { background: var(--m-green); color: #fff !important; }
.mkt-btn-primary:hover { background: #278a3a; color: #fff !important; }
.mkt-btn-ghost {
  background: transparent;
  color: #fff !important;
  border-color: rgba(255, 255, 255, 0.55);
}
.mkt-btn-ghost:hover { background: rgba(255, 255, 255, 0.12); color: #fff !important; }
.mkt-btn-solid {
  background: var(--m-blue);
  color: #fff !important;
}
.mkt-btn-solid:hover { background: var(--m-blue-deep); color: #fff !important; }
.mkt-btn-outline {
  background: transparent;
  color: var(--m-blue-deep);
  border-color: var(--m-line);
}
.mkt-btn-outline:hover { border-color: var(--m-blue); color: var(--m-blue); }

/* —— Sections —— */
.mkt-section {
  padding: clamp(56px, 9vw, 110px) clamp(18px, 4vw, 48px);
}
.mkt-section-head {
  max-width: 40rem;
  margin-bottom: clamp(28px, 4vw, 48px);
}
.mkt-kicker {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--m-green);
  margin: 0 0 0.65rem;
}
.mkt-section h2 {
  font-family: var(--m-display);
  font-size: clamp(1.85rem, 3.4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0 0 0.65rem;
  color: var(--m-blue-deep);
}
.mkt-section-head p {
  margin: 0;
  color: var(--m-ink-soft);
  font-size: 1.08rem;
}

/* Series strips (pur natur–style product lanes) */
.mkt-series {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--m-line);
  border-bottom: 1px solid var(--m-line);
}
.mkt-series a {
  position: relative;
  min-height: 340px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
  color: #fff !important;
  overflow: hidden;
  isolation: isolate;
}
.mkt-series a h3,
.mkt-series a p,
.mkt-series a .more {
  color: #fff !important;
}
.mkt-series a + a { border-left: 1px solid rgba(255, 255, 255, 0.18); }
.mkt-series a::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-size: cover;
  background-position: center;
  transition: transform 0.7s ease;
}
.mkt-series a::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(14, 61, 99, 0.15), rgba(14, 61, 99, 0.82));
}
.mkt-series a:hover::before { transform: scale(1.06); }
.mkt-series .s1::before { background-image: url("../frontend_images/stock_2.webp"); }
.mkt-series .s2::before { background-image: url("../frontend_images/stock_1.webp"); }
.mkt-series .s3::before { background-image: url("../frontend_images/industry_thinkstock.jpg"); }
.mkt-series h3 {
  font-family: var(--m-display);
  font-size: 1.65rem;
  margin: 0 0 0.35rem;
  font-weight: 700;
}
.mkt-series p {
  margin: 0 0 0.85rem;
  opacity: 0.9;
  font-size: 0.98rem;
  max-width: 28ch;
}
.mkt-series .more {
  font-weight: 600;
  font-size: 0.88rem;
  letter-spacing: 0.02em;
}

/* Capability list */
.mkt-caps {
  background: var(--m-paper);
}
.mkt-cap-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 5vw, 64px);
  max-width: 1100px;
}
.mkt-cap-item h3 {
  font-family: var(--m-display);
  font-size: 1.35rem;
  margin: 0 0 0.4rem;
  color: var(--m-blue-deep);
}
.mkt-cap-item p {
  margin: 0;
  color: var(--m-ink-soft);
}

/* Split feature */
.mkt-split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  max-width: 1180px;
  margin: 0 auto;
}
.mkt-split.reverse { direction: rtl; }
.mkt-split.reverse > * { direction: ltr; }
.mkt-split-media {
  min-height: 360px;
  background: center / cover no-repeat;
  border-radius: 2px;
}
.mkt-split-media.lab {
  background-image:
    linear-gradient(135deg, rgba(31, 90, 140, 0.35), rgba(47, 158, 68, 0.25)),
    url("../frontend_images/stock_2.webp");
}
.mkt-split-media.arch {
  background-image:
    linear-gradient(135deg, rgba(14, 61, 99, 0.4), rgba(214, 74, 60, 0.2)),
    url("../frontend_images/industry_thinkstock.jpg");
}
.mkt-split-copy h2 { margin-bottom: 0.75rem; }
.mkt-split-copy p { color: var(--m-ink-soft); margin: 0 0 1rem; }
.mkt-split-copy ul {
  margin: 0 0 1.4rem;
  padding: 0;
  list-style: none;
}
.mkt-split-copy li {
  position: relative;
  padding: 0.45rem 0 0.45rem 1.1rem;
  color: var(--m-ink-soft);
  border-bottom: 1px solid var(--m-line);
}
.mkt-split-copy li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.95rem;
  width: 6px;
  height: 6px;
  background: var(--m-green);
  border-radius: 1px;
}

/* Status strip */
.mkt-status {
  border-top: 1px solid var(--m-line);
  border-bottom: 1px solid var(--m-line);
  padding: clamp(40px, 6vw, 72px) clamp(18px, 4vw, 48px);
}
.mkt-status-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
}
.mkt-status h2 { margin: 0 0 0.5rem; }
.mkt-status p { margin: 0; color: var(--m-ink-soft); }
.mkt-status-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.mkt-status-list li {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 16px;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--m-line);
  font-size: 0.98rem;
}
.mkt-status-list strong {
  color: var(--m-blue-deep);
  font-weight: 700;
}
.mkt-status-list span { color: var(--m-ink-soft); }

/* CTA band */
.mkt-cta {
  background:
    linear-gradient(120deg, rgba(14, 61, 99, 0.94), rgba(31, 90, 140, 0.9)),
    url("../frontend_images/stock_3.jpg") center / cover;
  color: #fff;
  padding: clamp(56px, 8vw, 96px) clamp(18px, 4vw, 48px);
  text-align: center;
}
.mkt-cta h2,
.mkt-cta p,
.mkt-cta a {
  color: #fff !important;
}
.mkt-cta h2 {
  font-family: var(--m-display);
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  margin: 0 0 0.6rem;
}
.mkt-cta p {
  margin: 0 auto 1.5rem;
  max-width: 34rem;
  opacity: 0.92;
}
.mkt-cta .mkt-hero-actions { justify-content: center; }

/* Footer — site links + Tyndall / SEAI institutional block (matches backend ML footer) */
.mkt-footer {
  padding: 0;
  background: transparent;
  color: var(--m-ink-soft);
  font-size: 0.92rem;
}
.mkt-footer-nav {
  padding: 36px clamp(18px, 4vw, 48px) 28px;
  background: var(--m-ink);
  color: rgba(255, 255, 255, 0.78);
}
.mkt-footer-nav-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: space-between;
  align-items: flex-start;
  max-width: 1180px;
  margin: 0 auto;
}
.mkt-footer-nav strong {
  display: block;
  color: #fff;
  font-family: var(--m-display);
  font-size: 1.2rem;
  margin-bottom: 0.35rem;
}
.mkt-footer-nav span {
  display: block;
  max-width: 36rem;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.9rem;
  line-height: 1.5;
}
.mkt-footer-nav a { color: rgba(255, 255, 255, 0.85); }
.mkt-footer-nav a:hover { color: #fff; }
.mkt-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.mkt-tyndall {
  background: #fff;
  border-top: 1px solid var(--m-line);
  padding: 28px clamp(18px, 4vw, 48px) 22px;
}
.mkt-tyndall-inner {
  max-width: 1180px;
  margin: 0 auto;
}
.mkt-tyndall-logos {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(20px, 4vw, 48px);
  align-items: flex-start;
  margin-bottom: 18px;
}
.mkt-tyndall-item img {
  height: 32px;
  width: auto;
  object-fit: contain;
  margin-bottom: 10px;
  display: block;
}
.mkt-tyndall-item p {
  margin: 0;
  color: #555;
  font-size: 0.82rem;
  line-height: 1.6;
  max-width: 42rem;
}
.mkt-tyndall-item strong { color: var(--m-ink); }
.mkt-tyndall-item a {
  color: #0277bd;
  text-decoration: none;
}
.mkt-tyndall-item a:hover { text-decoration: underline; }
.mkt-tyndall-copy {
  text-align: center;
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--m-line);
  color: #888;
  font-size: 0.78rem;
}

@media (max-width: 720px) {
  .mkt-tyndall-logos { grid-template-columns: 1fr; }
}

/* Architecture page shell */
.mkt-arch-page {
  display: flex;
  flex-direction: column;
  min-height: calc(100vh - var(--m-nav-h));
  min-height: calc(100dvh - var(--m-nav-h));
}
.mkt-arch-intro {
  padding: 22px clamp(18px, 4vw, 48px);
  border-bottom: 1px solid var(--m-line);
  background: var(--m-paper);
  display: flex;
  flex-wrap: wrap;
  gap: 16px 32px;
  align-items: baseline;
  justify-content: space-between;
}
.mkt-arch-intro h1 {
  font-family: var(--m-display);
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  margin: 0;
  color: var(--m-blue-deep);
}
.mkt-arch-intro p {
  margin: 0;
  color: var(--m-ink-soft);
  max-width: 42rem;
  font-size: 0.98rem;
}
.mkt-arch-mount {
  flex: 1;
  min-height: 0;
  position: relative;
  height: calc(100vh - var(--m-nav-h) - 92px);
  height: calc(100dvh - var(--m-nav-h) - 92px);
}
.mkt-arch-mount .itsl-arch-workspace {
  height: 100%;
}

/* Reveal on scroll */
.mkt-reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.mkt-reveal.in {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 920px) {
  .mkt-series { grid-template-columns: 1fr; }
  .mkt-series a + a { border-left: 0; border-top: 1px solid rgba(255, 255, 255, 0.18); }
  .mkt-series a { min-height: 260px; }
  .mkt-cap-grid,
  .mkt-split,
  .mkt-status-inner { grid-template-columns: 1fr; }
  .mkt-split.reverse { direction: ltr; }
  .mkt-nav-toggle { display: inline-flex; }
  .mkt-nav-links {
    display: none;
    position: absolute;
    top: var(--m-nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--m-line);
    padding: 8px 0;
  }
  .mkt-nav.open .mkt-nav-links { display: flex; }
  .mkt-nav-links li { border-top: 1px solid var(--m-line); }
  .mkt-nav-links a {
    display: block;
    padding: 14px clamp(18px, 4vw, 48px);
  }
  .mkt-nav-links a[aria-current="page"]::after { display: none; }
  .mkt-nav-links .mkt-nav-cta {
    margin: 10px clamp(18px, 4vw, 48px) 14px;
    justify-content: center;
  }
  .mkt-status-list li { grid-template-columns: 1fr; gap: 4px; }
  .mkt-arch-mount {
    height: calc(100vh - var(--m-nav-h) - 120px);
    height: calc(100dvh - var(--m-nav-h) - 120px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .mkt-hero-media { animation: none; }
  .mkt-hero-brand,
  .mkt-hero h1,
  .mkt-hero p,
  .mkt-hero-actions { animation: none; }
  .mkt-reveal { opacity: 1; transform: none; transition: none; }
  .mkt-series a::before { transition: none; }
}