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

:root {
  --bg: #0f0b1a;
  --bg-alt: #06030f;
  --bg-soft: rgba(8, 7, 20, 0.7);
  --text: #e7e9ee;
  --muted: #94a3b8;
  --muted-strong: #cbd5f5;
  --accent: #8a5cf6;
  --accent-strong: #b084ff;
  --card: rgba(14, 11, 30, 0.75);
  --card-border: rgba(148, 163, 184, 0.18);
  --shadow-soft: 0 18px 45px rgba(15, 12, 40, 0.45);
  --transition: 260ms ease;
}

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

html,
body {
  height: 100%;
}

body {
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, rgba(45, 28, 98, 0.28), transparent 45%),
    radial-gradient(circle at bottom, rgba(4, 12, 40, 0.35), transparent 55%), var(--bg-alt);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

img,
video {
  display: block;
  max-width: 100%;
}

[hidden] {
  display: none !important;
}

.landing-page {
  position: relative;
  overflow: hidden;
}

.background-video {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 900ms ease;
  filter: saturate(1.05) contrast(0.95);
  z-index: -2;
}

.background-video.is-visible {
  opacity: 1;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: clamp(1.25rem, 3vw, 2.25rem) clamp(1.5rem, 7vw, 3.5rem);
  background: rgba(4, 3, 11, 0.78);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
  z-index: 20;
}

.navbar__brand {
  font-weight: 800;
  letter-spacing: 0.38em;
  text-transform: uppercase;
  color: var(--accent);
  transition: color var(--transition);
}

.navbar__brand:hover {
  color: var(--accent-strong);
}

.navbar__links {
  display: flex;
  gap: clamp(1rem, 4vw, 3rem);
  align-items: center;
}

.navbar__link {
  position: relative;
  font-weight: 500;
  color: var(--muted);
  padding-bottom: 0.35rem;
  transition: color var(--transition);
}

.navbar__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 220ms ease;
}

.navbar__link.is-active {
  color: #ffffff;
}

.navbar__link:hover,
.navbar__link:focus-visible {
  color: #ffffff;
}

.navbar__link.is-active::after,
.navbar__link:hover::after {
  transform: scaleX(1);
}

.navbar__brand:focus-visible,
.navbar__link:focus-visible,
.btn-primary:focus-visible,
.project-card:focus-visible,
.topbar__brand:focus-visible,
.topbar__links a:focus-visible,
.link-underlined:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 4px;
}

.sections {
  position: relative;
  height: 100vh;
  width: 100%;
  margin: 0 auto;
  isolation: isolate;
  --navbar-height: 0px;
}

.section {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(2.5rem, 6vw, 5.5rem) clamp(1.75rem, 6vw, 6rem);
  padding-top: max(
    clamp(2.5rem, 6vw, 5.5rem),
    calc(var(--navbar-height, 0px) + 1.5rem)
  );
  scroll-padding-top: max(
    clamp(2.5rem, 6vw, 5.5rem),
    calc(var(--navbar-height, 0px) + 1.5rem)
  );
  text-align: center;
  transition: opacity 780ms ease, transform 780ms ease;
  opacity: 0;
  transform: translateY(40px) scale(0.97);
  pointer-events: none;
}

.section.is-active {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
  z-index: 2;
}

.section--programme {
  background: linear-gradient(135deg, rgba(13, 6, 30, 0.72), rgba(3, 7, 18, 0.5));
}

.section--work {
  background: linear-gradient(135deg, rgba(9, 6, 30, 0.75), rgba(12, 19, 46, 0.68));
}

.section--about {
  background: linear-gradient(135deg, rgba(20, 12, 45, 0.75), rgba(6, 8, 26, 0.72));
}

.section--contact {
  background: linear-gradient(135deg, rgba(6, 4, 18, 0.82), rgba(16, 8, 36, 0.72));
}

.section__inner {
  width: min(960px, 92vw);
  display: grid;
  gap: 1.5rem;
  justify-items: center;
}

.section__eyebrow {
  font-size: 0.85rem;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--muted-strong);
}

.section__title {
  font-size: clamp(2.6rem, 5vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
}

.section__lead {
  font-size: clamp(1.05rem, 2.8vw, 1.35rem);
  max-width: 70ch;
  color: rgba(231, 233, 238, 0.88);
}

.section__lead--compact {
  max-width: 60ch;
  color: rgba(226, 228, 236, 0.78);
}

.about-columns {
  display: grid;
  gap: 1.75rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  width: min(960px, 95vw);
}

.about-title {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted-strong);
  margin-bottom: 0.75rem;
}

.about-list {
  list-style: none;
  display: grid;
  gap: 0.65rem;
  color: rgba(226, 228, 236, 0.86);
  text-align: left;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.9rem 2.5rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: var(--bg-alt);
  font-weight: 600;
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition), box-shadow var(--transition);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 55px rgba(16, 12, 45, 0.55);
}

.projects-grid {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.8rem;
  margin: 1.2rem auto 1.8rem;
}

@media (min-width: 720px) {
  .projects-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.projects-grid--listing {
  width: 100%;
  margin-top: 2.4rem;
}

.projects-grid__placeholder {
  color: var(--muted);
  text-align: center;
  width: 100%;
}

.project-card {
  position: relative;
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid var(--card-border);
  background: rgba(11, 8, 24, 0.82);
  aspect-ratio: 16 / 9;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  transition: transform 260ms ease, border-color 260ms ease, box-shadow 260ms ease;
}

@supports not (aspect-ratio: 16 / 9) {
  .project-card {
    min-height: 260px;
  }
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(138, 92, 246, 0.35);
  box-shadow: 0 18px 45px rgba(14, 10, 32, 0.55);
}

.project-card__media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
  transition: transform 320ms ease, opacity 320ms ease;
}

.project-card:hover .project-card__media {
  transform: scale(1.05);
  opacity: 1;
}

.project-card__overlay {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: 1.5rem;
  background: linear-gradient(180deg, rgba(3, 4, 18, 0.18), rgba(4, 3, 14, 0.9));
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  text-align: left;
  margin-top: auto;
}

.project-card__category {
  font-size: 0.75rem;
  letter-spacing: 0.36em;
  text-transform: uppercase;
  color: var(--muted);
}

.project-card__title {
  font-weight: 600;
  font-size: 1.1rem;
}

.project-card__summary {
  font-size: 0.95rem;
  color: rgba(226, 228, 236, 0.78);
  margin-top: 0.35rem;
}

.link-underlined {
  font-weight: 600;
  color: var(--accent-strong);
  position: relative;
}

.link-underlined::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.15rem;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 220ms ease;
}

.link-underlined:hover::after {
  transform: scaleX(1);
}

.contact-card {
  display: grid;
  gap: 1.25rem;
  background: rgba(12, 8, 22, 0.8);
  border-radius: 18px;
  padding: 1.8rem;
  border: 1px solid rgba(138, 92, 246, 0.2);
  box-shadow: 0 12px 35px rgba(14, 8, 34, 0.45);
}

.contact-card__intro {
  font-size: 1.05rem;
  color: rgba(226, 228, 236, 0.82);
  text-align: center;
}

.contact-meta {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  font-weight: 500;
  flex-wrap: wrap;
  color: rgba(226, 228, 236, 0.72);
}

.contact-meta a {
  color: var(--accent-strong);
}

.contact-card__cta {
  justify-self: center;
  text-decoration: none;
}

.contact-card__note {
  font-size: 0.95rem;
  color: rgba(226, 228, 236, 0.72);
  text-align: center;
}

.scroll-hint {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.85rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(209, 213, 219, 0.72);
  z-index: 5;
  transition: opacity 280ms ease;
}

/* Listing & detail pages */
body.projects-page,
body.project-page {
  min-height: 100vh;
  overflow-x: hidden;
  padding-top: 5.5rem;
}

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem clamp(1.5rem, 6vw, 3rem);
  background: rgba(5, 4, 12, 0.82);
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
  backdrop-filter: blur(12px);
  z-index: 15;
}

.topbar__brand {
  font-weight: 800;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--accent);
}

.topbar__links {
  display: flex;
  gap: 1.5rem;
  font-weight: 500;
}

.content-wrapper {
  width: min(1200px, 95vw);
  margin: 0 auto;
  padding: 2.5rem 0 5rem;
  display: grid;
  gap: 2.5rem;
}

.intro-block {
  display: grid;
  gap: 0.9rem;
  text-align: left;
  margin-top: 1rem;
}

.page-back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  justify-self: start;
  align-self: start;
  margin-top: 0.25rem;
  padding: 0rem 1.5rem;
  min-height: 2.65rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: rgba(9, 8, 22, 0.65);
  color: var(--muted-strong);
  font-weight: 500;
  text-decoration: none;
  transition: background var(--transition), border-color var(--transition), transform var(--transition),
    color var(--transition);
}

.page-back-link:hover,
.page-back-link:focus-visible {
  background: rgba(138, 92, 246, 0.18);
  border-color: rgba(138, 92, 246, 0.6);
  color: #ffffff;
  transform: translateY(-2px);
}

.site-footer {
  text-align: center;
  padding: 2.5rem 1rem 3rem;
  color: rgba(226, 228, 236, 0.65);
  font-size: 0.9rem;
}

.project-detail {
  display: grid;
  gap: 2rem;
}

.project-detail__header {
  display: grid;
  gap: 0.75rem;
  text-align: left;
}

.project-detail__category {
  text-transform: uppercase;
  letter-spacing: 0.32em;
  font-size: 0.75rem;
  color: var(--muted);
}

.project-detail__title {
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  font-weight: 700;
}

.project-detail__summary {
  color: rgba(226, 228, 236, 0.78);
  max-width: 70ch;
}

.project-detail__body {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  align-items: start;
}

.project-detail__description {
  display: grid;
  gap: 1rem;
  color: rgba(226, 228, 236, 0.85);
}

.project-detail__description p {
  margin: 0;
}

.project-detail__description h1,
.project-detail__description h2,
.project-detail__description h3,
.project-detail__description h4,
.project-detail__description h5,
.project-detail__description h6 {
  margin: 0;
  font-weight: 600;
  color: var(--muted-strong);
}

.project-detail__description h1 {
  font-size: clamp(1.6rem, 2.8vw, 2rem);
}

.project-detail__description h2 {
  font-size: clamp(1.4rem, 2.4vw, 1.7rem);
}

.project-detail__description h3 {
  font-size: clamp(1.25rem, 2vw, 1.45rem);
}

.project-detail__description h4,
.project-detail__description h5,
.project-detail__description h6 {
  font-size: clamp(1.1rem, 1.8vw, 1.25rem);
}

.project-detail__description ul,
.project-detail__description ol {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.45rem;
  list-style-position: outside;
}

.project-detail__description li {
  margin: 0;
}

.project-detail__description a {
  color: var(--accent-strong);
  text-decoration: underline;
  text-decoration-color: rgba(138, 92, 246, 0.55);
  text-underline-offset: 0.25em;
  transition: color var(--transition), text-decoration-color var(--transition);
}

.project-detail__description a:hover,
.project-detail__description a:focus-visible {
  color: #ffffff;
  text-decoration-color: currentColor;
}

.project-detail__description code {
  font-family: 'JetBrains Mono', 'Fira Code', 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  background: rgba(148, 163, 184, 0.16);
  border-radius: 6px;
  padding: 0.15rem 0.4rem;
  font-size: 0.95em;
  color: #f9fafb;
}

.project-detail__description pre {
  margin: 0;
  padding: 1rem 1.2rem;
  background: rgba(8, 7, 20, 0.85);
  border-radius: 14px;
  border: 1px solid rgba(148, 163, 184, 0.2);
  overflow-x: auto;
  box-shadow: 0 12px 30px rgba(15, 12, 40, 0.3);
}

.project-detail__description pre code {
  padding: 0;
  background: none;
  color: inherit;
}

.project-detail__description blockquote {
  margin: 0;
  padding-left: 1.15rem;
  border-left: 3px solid rgba(138, 92, 246, 0.45);
  color: rgba(226, 228, 236, 0.78);
  font-style: italic;
}

.project-detail__description blockquote p {
  margin: 0;
}

.project-detail__description hr {
  margin: 0;
  border: none;
  border-top: 1px solid rgba(148, 163, 184, 0.18);
}

.project-detail__facts {
  display: grid;
  gap: 0.85rem;
  background: rgba(10, 8, 22, 0.82);
  border-radius: 16px;
  padding: 1.5rem 1.8rem;
  border: 1px solid rgba(148, 163, 184, 0.18);
}

.project-detail__facts dt {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--muted);
}

.project-detail__facts dd {
  margin-left: 0;
  font-weight: 600;
}

.project-detail__gallery {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.project-detail__gallery button {
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.2);
  background: rgba(9, 7, 22, 0.85);
  cursor: zoom-in;
  padding: 0;
}

.project-detail__gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 260ms ease;
}

.project-detail__gallery button:hover img {
  transform: scale(1.05);
}

.project-empty {
  text-align: center;
  display: grid;
  gap: 1.5rem;
  margin: 4rem auto;
  padding: 3rem 2rem;
  max-width: 520px;
  border-radius: 20px;
  border: 1px solid rgba(148, 163, 184, 0.2);
  background: rgba(8, 6, 18, 0.86);
}

.project-empty__title {
  font-size: 1.8rem;
  font-weight: 700;
}

.image-modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
}

.image-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(3, 4, 14, 0.8);
  backdrop-filter: blur(6px);
}

.image-modal__content {
  position: relative;
  z-index: 1;
  max-width: min(90vw, 960px);
  max-height: 90vh;
  border-radius: 20px;
  overflow: hidden;
  background: #04040c;
  border: 1px solid rgba(148, 163, 184, 0.35);
  box-shadow: 0 24px 65px rgba(5, 5, 20, 0.65);
}

.image-modal__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 1.1rem;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 999px;
  background: rgba(15, 13, 30, 0.8);
}

.image-modal__content img {
  width: 100%;
  height: auto;
  display: block;
}

.image-modal__caption {
  padding: 1rem 1.5rem 1.3rem;
  font-size: 0.95rem;
  color: rgba(214, 219, 235, 0.8);
}

@media (max-height: 720px) {
  .section {
    align-items: flex-start;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
}

@media (max-width: 900px) {
  .section {
    align-items: flex-start;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding-top: max(
      clamp(2.5rem, 6vw, 5.5rem),
      calc(var(--navbar-height, 0px) + 1.5rem)
    );
    scroll-padding-top: max(
      clamp(2.5rem, 6vw, 5.5rem),
      calc(var(--navbar-height, 0px) + 1.5rem)
    );
  }

  .navbar__links {
    gap: 1.25rem;
  }

  .section__inner {
    gap: 1.2rem;
  }

  .scroll-hint {
    display: none;
  }

  .projects-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }

  .project-detail__body {
    grid-template-columns: 1fr;
  }

  .project-detail__facts {
    padding: 1.25rem 1.5rem;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 0.95rem;
  }

  .navbar {
    flex-direction: column;
    gap: 0.85rem;
    padding-inline: 1.5rem;
  }

  .navbar__brand {
    letter-spacing: 0.28em;
  }

  .navbar__links {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
  }

  .section {
    padding-inline: 1.25rem;
  }

  .section__title {
    font-size: clamp(2.1rem, 9vw, 3rem);
  }

  .section__lead {
    font-size: 1.02rem;
  }

  body.projects-page,
  body.project-page {
    padding-top: 6.5rem;
  }

  .topbar {
    flex-direction: column;
    gap: 0.75rem;
  }

  .topbar__links {
    width: 100%;
    justify-content: center;
  }

  .project-detail__gallery {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .btn-primary {
    width: 100%;
  }

  .contact-meta {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

@media (min-width: 1600px) {
  .section {
    padding: 4rem 5rem;
    padding-top: max(4rem, calc(var(--navbar-height, 0px) + 1.5rem));
    scroll-padding-top: max(4rem, calc(var(--navbar-height, 0px) + 1.5rem));
  }

  .section__title {
    font-size: 3.5rem;
  }

  .section__lead {
    font-size: 1.25rem;
  }
}