/* ============================================
   Martynas Kairys: portfolio
   ============================================ */

:root {
  --bg: #050507;
  --cyan: #00C9E8;
  --deep-blue: #1E1F59;
  --white: #FFFFFF;
  --gray: #E2E2E6;

  --gutter: 12px;
  --edge: 32px;
  --font: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--gray);
  font-family: var(--font);
  font-weight: 400;
  line-height: 1.5;
  overflow-x: hidden;
}

/* stage-light glow, viewport-fixed without background-attachment
   (which is janky on mobile Safari) */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 15% 10%, rgba(30,31,89,0.55) 0%, rgba(30,31,89,0) 45%),
    radial-gradient(circle at 85% 60%, rgba(30,31,89,0.4) 0%, rgba(30,31,89,0) 50%);
}

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

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

.c-cyan { color: var(--cyan); }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--cyan);
  color: var(--bg);
  padding: 10px 16px;
  z-index: 999;
  font-weight: 700;
}
.skip-link:focus { left: var(--edge); top: var(--edge); }

/* ---------- Header ---------- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px var(--edge);
  pointer-events: none;
  background: linear-gradient(to bottom, rgba(5,5,7,0.75) 0%, rgba(5,5,7,0) 100%);
}
.site-header > * { pointer-events: auto; }

.header-mark {
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  color: var(--white);
  text-shadow: 0 2px 10px rgba(0,0,0,0.6);
}

.hamburger {
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: center;
  gap: 6px;
  z-index: 210;
}
.hamburger span {
  display: block;
  width: 28px;
  height: 3px;
  background: var(--white);
  transition: transform 0.3s ease, opacity 0.3s ease, width 0.3s ease;
}
.hamburger:hover span { width: 28px; background: var(--cyan); }
.hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* ---------- Nav overlay ---------- */

.nav-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 190;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: opacity 0.35s ease, transform 0.35s ease, visibility 0.35s;
}
.nav-overlay.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-close {
  position: absolute;
  top: 18px;
  right: 28px;
  background: none;
  border: none;
  color: var(--white);
  font-size: 2.4rem;
  line-height: 1;
  cursor: pointer;
  font-weight: 300;
}
.nav-close:hover { color: var(--cyan); }

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  text-align: center;
}
.nav-list li { margin: 0.35em 0; }

.nav-link {
  display: inline-block;
  font-size: clamp(2.2rem, 7vw, 4.5rem);
  font-weight: 800;
  text-transform: uppercase;
  color: var(--white);
  letter-spacing: 0.01em;
  transition: color 0.2s ease;
}
.nav-link:hover, .nav-link:focus { color: var(--cyan); }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: 100vh;
  padding: calc(var(--edge) + 70px) var(--edge) var(--edge);
  display: flex;
  align-items: stretch;
}

.hero-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.4fr 1.1fr;
  gap: var(--gutter);
  width: 100%;
  align-items: stretch;
}

.hero-blocks {
  display: grid;
  grid-template-rows: repeat(4, 1fr);
  gap: var(--gutter);
}

.block {
  min-height: 40px;
}
.block-cyan { background: var(--cyan); }
.block-deepblue { background: var(--deep-blue); }
.block-white { background: var(--gray); }

.block-1 { grid-row: 1 / 2; }
.block-2 { grid-row: 2 / 4; }
.block-3 { grid-row: 4 / 5; }
.block-4 { grid-row: 1 / 3; }

.hero-name-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 clamp(4px, 2vw, 20px);
}

.hero-name {
  margin: 0;
  font-weight: 900;
  text-transform: uppercase;
  font-size: clamp(3rem, 9vw, 8rem);
  line-height: 0.92;
  letter-spacing: -0.01em;
  color: var(--white);
}
.hero-name .line { display: block; }

.hero-tagline {
  margin: 1.4em 0 0;
  color: var(--white);
  font-weight: 600;
  font-size: clamp(0.85rem, 1.4vw, 1.15rem);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.hero-tagline .pipe {
  color: var(--cyan);
  margin: 0 0.4em;
  font-weight: 700;
}

.hero-slogan {
  margin: 0.9em 0 0;
  color: var(--cyan);
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
}

.hero-photo-wrap {
  display: grid;
  grid-template-rows: 1fr auto;
  grid-template-columns: 1fr 1fr;
  gap: var(--gutter);
}

.hero-photo {
  grid-column: 1 / 3;
  grid-row: 1 / 2;
  position: relative;
  overflow: hidden;
  min-height: 220px;
}
.hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.05);
  transition: filter 0.5s ease;
}
.hero-photo::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(0,201,232,0.55), rgba(30,31,89,0.65));
  mix-blend-mode: multiply;
  transition: opacity 0.5s ease;
}
.hero-photo:hover img { filter: grayscale(0) contrast(1); }
.hero-photo:hover::after { opacity: 0; }

.block-5 { grid-column: 1 / 2; grid-row: 2 / 3; min-height: 60px; }
.block-6 { grid-column: 2 / 3; grid-row: 2 / 3; min-height: 60px; }

/* ---------- duotone helper (about + gallery) ---------- */

.duotone-cyan, .duotone-deepblue, .duotone-gray {
  position: relative;
  overflow: hidden;
}
.duotone-cyan img, .duotone-deepblue img, .duotone-gray img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.05);
  transition: filter 0.5s ease;
}
.duotone-cyan::after, .duotone-deepblue::after, .duotone-gray::after {
  content: '';
  position: absolute;
  inset: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
}
.duotone-cyan::after {
  background: linear-gradient(160deg, rgba(0,201,232,0.55), rgba(30,31,89,0.65));
  mix-blend-mode: multiply;
}
.duotone-deepblue::after {
  background: linear-gradient(160deg, rgba(30,31,89,0.75), rgba(0,201,232,0.35));
  mix-blend-mode: multiply;
}
.duotone-gray::after {
  background: linear-gradient(160deg, rgba(226,226,230,0.35), rgba(30,31,89,0.6));
  mix-blend-mode: multiply;
}
.duotone-cyan:hover img,
.duotone-deepblue:hover img,
.duotone-gray:hover img { filter: grayscale(0) contrast(1); }
.duotone-cyan:hover::after,
.duotone-deepblue:hover::after,
.duotone-gray:hover::after { opacity: 0; }

/* ---------- Sections ---------- */

.section {
  padding: 90px var(--edge);
  position: relative;
  scroll-margin-top: 70px;
}
.section-alt {
  background: rgba(255,255,255,0.015);
}

.section-head {
  display: flex;
  align-items: baseline;
  gap: 18px;
  margin-bottom: 56px;
}
.section-num {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 900;
  color: var(--cyan);
  line-height: 1;
}
.section-title {
  font-size: clamp(1.6rem, 4vw, 3rem);
  font-weight: 800;
  text-transform: uppercase;
  color: var(--white);
  letter-spacing: 0.01em;
  margin: 0;
}

/* ---------- About ---------- */

.about-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: calc(var(--gutter) * 3);
  align-items: start;
}

.about-chapters {
  display: flex;
  flex-direction: column;
  gap: 34px;
}

.chapter-label {
  display: inline-block;
  color: var(--cyan);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  margin-bottom: 0.6em;
}

.chapter p {
  margin: 0;
  color: var(--gray);
  font-size: 1.05rem;
  max-width: 46ch;
}

.about-photo {
  aspect-ratio: 4 / 5;
  background: var(--deep-blue);
}
.about-photo > div {
  width: 100%;
  height: 100%;
}

/* ---------- Work / resume ---------- */

.resume {
  display: flex;
  flex-direction: column;
  gap: 50px;
}

.resume-group {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 24px;
  border-top: 1px solid rgba(226,226,230,0.18);
  padding-top: 22px;
}

.resume-label {
  color: var(--cyan);
  font-weight: 700;
  text-transform: lowercase;
  letter-spacing: 0.04em;
  font-size: 0.95rem;
}

.resume-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.resume-item { border-bottom: 1px solid rgba(226,226,230,0.08); padding-bottom: 14px; }
.resume-item:last-child { border-bottom: none; padding-bottom: 0; }

.resume-role {
  margin: 0;
  color: var(--white);
  font-weight: 700;
  font-size: 1.05rem;
}
.resume-title {
  color: var(--gray);
  font-weight: 400;
  font-size: 0.95rem;
}

/* ---------- Lab ---------- */

.lab-intro {
  max-width: 60ch;
  font-size: 1.1rem;
  color: var(--gray);
  margin: -30px 0 46px;
}

/* horizontal scroller: two stacked rows, new cards extend to the right */
.lab-grid {
  display: grid;
  grid-auto-flow: column;
  grid-template-rows: 200px 200px;
  grid-auto-columns: clamp(280px, 26vw, 360px);
  gap: var(--gutter);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  padding-bottom: 14px;
  scrollbar-width: thin;
  scrollbar-color: var(--cyan) rgba(226,226,230,0.12);
}
.lab-grid::-webkit-scrollbar { height: 6px; }
.lab-grid::-webkit-scrollbar-track { background: rgba(226,226,230,0.12); }
.lab-grid::-webkit-scrollbar-thumb { background: var(--cyan); }

.lab-hint {
  margin: 14px 0 0;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray);
}
.lab-hint .arrow { color: var(--cyan); }

.lab-tile {
  position: relative;
  margin: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 22px 24px;
  transition: transform 0.3s ease;
  scroll-snap-align: start;
}
.lab-tile:hover { transform: translateY(-4px); }

.lab-tile-type {
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.lab-tile-title {
  margin: 0 0 0.3em;
  font-size: 1.3rem;
  font-weight: 800;
  text-transform: uppercase;
  line-height: 1.15;
}

.lab-tile-desc {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 400;
}

.lab-tile.card-cyan .lab-tile-type,
.lab-tile.card-cyan .lab-tile-title { color: var(--bg); }
.lab-tile.card-cyan .lab-tile-desc { color: rgba(5,5,7,0.75); }

.lab-tile.card-deepblue .lab-tile-type { color: var(--cyan); }
.lab-tile.card-deepblue .lab-tile-title { color: var(--white); }
.lab-tile.card-deepblue .lab-tile-desc { color: var(--gray); }

.lab-tile.card-white .lab-tile-type,
.lab-tile.card-white .lab-tile-title { color: var(--bg); }
.lab-tile.card-white .lab-tile-desc { color: rgba(5,5,7,0.7); }

/* pattern: tall card, then two stacked, repeating; extend freely */
.lab-tile:nth-child(3n + 1) { grid-row: span 2; }

/* ---------- Keynotes ---------- */

.keynotes-intro {
  max-width: 60ch;
  font-size: 1.1rem;
  color: var(--gray);
  margin: -30px 0 46px;
}

/* horizontal slider, same interaction language as the Lab */
.keynote-cards {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: clamp(300px, 28vw, 380px);
  gap: var(--gutter);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  padding-bottom: 14px;
  scrollbar-width: thin;
  scrollbar-color: var(--cyan) rgba(226,226,230,0.12);
}
.keynote-cards::-webkit-scrollbar { height: 6px; }
.keynote-cards::-webkit-scrollbar-track { background: rgba(226,226,230,0.12); }
.keynote-cards::-webkit-scrollbar-thumb { background: var(--cyan); }

.keynote-card {
  padding: 26px 30px 34px;
  min-height: 260px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
  scroll-snap-align: start;
  transition: transform 0.3s ease;
}
a.keynote-card:hover { transform: translateY(-4px); }

.keynote-type {
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.keynote-card.card-deepblue .keynote-type { color: var(--cyan); }
.keynote-card h3 {
  margin: 0;
  font-size: 1.3rem;
  font-weight: 800;
  text-transform: uppercase;
  line-height: 1.15;
}
.keynote-card p {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 400;
}

.card-cyan { background: var(--cyan); color: var(--bg); }
.card-cyan p { color: rgba(5,5,7,0.75); }
.card-deepblue { background: var(--deep-blue); color: var(--white); }
.card-deepblue p { color: var(--gray); }
.card-white { background: var(--gray); color: var(--bg); }
.card-white p { color: rgba(5,5,7,0.7); }

/* ---------- Keynote photo cards ---------- */

.kc-photo { position: relative; }

.kc-photo .kc-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.05);
  transition: filter 0.5s ease;
  z-index: 0;
}

.kc-photo::before {
  content: '';
  position: absolute;
  inset: 0;
  mix-blend-mode: multiply;
  transition: opacity 0.5s ease;
  z-index: 1;
}
.kc-photo.card-cyan::before {
  background: linear-gradient(160deg, rgba(0,201,232,0.55), rgba(30,31,89,0.65));
}
.kc-photo.card-deepblue::before {
  background: linear-gradient(160deg, rgba(30,31,89,0.75), rgba(0,201,232,0.35));
}
.kc-photo.card-white::before {
  background: linear-gradient(160deg, rgba(226,226,230,0.35), rgba(30,31,89,0.6));
}

.kc-photo::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(to top, rgba(5,5,7,0.82) 0%, rgba(5,5,7,0.25) 55%, rgba(5,5,7,0.15) 100%);
}

.kc-photo .keynote-type,
.kc-photo .lab-tile-type,
.kc-photo > div {
  position: relative;
  z-index: 3;
}

.kc-photo h3 { color: var(--white); }
.kc-photo p { color: var(--gray); }
.kc-photo .keynote-type,
.kc-photo .lab-tile-type { color: var(--cyan); }
.kc-photo .lab-tile-title { color: var(--white); }
.kc-photo .lab-tile-desc { color: var(--gray); }

.kc-photo:hover .kc-bg { filter: grayscale(0) contrast(1); }
.kc-photo:hover::before { opacity: 0; }

/* app screenshots are much brighter than stage photos: dim harder */
.lab-tile.kc-photo .kc-bg {
  filter: grayscale(1) contrast(1.05) brightness(0.65);
}
.lab-tile.kc-photo::after {
  background: linear-gradient(to top, rgba(5,5,7,0.95) 0%, rgba(5,5,7,0.62) 55%, rgba(5,5,7,0.42) 100%);
}
.lab-tile.kc-photo:hover .kc-bg {
  filter: grayscale(0) contrast(1) brightness(1);
}

/* ---------- Contact ---------- */

.contact-section {
  padding-bottom: 60px;
}

.contact-body {
  max-width: 700px;
}

.contact-heading {
  font-size: clamp(2.4rem, 7vw, 5rem);
  font-weight: 900;
  text-transform: uppercase;
  color: var(--white);
  margin: 0 0 0.3em;
  line-height: 0.95;
}

.contact-copy {
  font-size: 1.1rem;
  color: var(--gray);
  margin: 0 0 2.2em;
  max-width: 50ch;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 16px;
  border-top: 1px solid rgba(226,226,230,0.18);
  padding-top: 18px;
}

.contact-label {
  color: var(--cyan);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  min-width: 90px;
}

.contact-item a {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--white);
  word-break: break-all;
  transition: color 0.2s ease;
}
.contact-item a:hover { color: var(--cyan); }

/* ---------- Footer ---------- */

.site-footer {
  padding: 40px var(--edge) 50px;
  border-top: 1px solid rgba(226,226,230,0.12);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.footer-mark {
  font-weight: 800;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  color: var(--white);
}

.footer-slogan {
  margin: 0;
  font-weight: 800;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.footer-loc {
  margin: 0;
  font-size: 0.85rem;
  color: var(--gray);
  opacity: 0.7;
}

.footer-blog {
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.footer-blog-link {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gray);
  transition: color 0.2s ease;
}
.footer-blog-link:hover { color: var(--cyan); }
.footer-blog-note {
  font-size: 0.85rem;
  color: var(--gray);
  opacity: 0.55;
}

/* ---------- Lab detail pages ---------- */

.lab-page {
  padding: calc(var(--edge) + 100px) var(--edge) 80px;
  max-width: 760px;
  margin: 0 auto;
  min-height: calc(100vh - 130px);
}

.lab-page-back {
  display: inline-block;
  margin-bottom: 40px;
  color: var(--gray);
  font-size: 0.9rem;
  font-weight: 600;
  transition: color 0.2s ease;
}
.lab-page-back:hover { color: var(--cyan); }

.lab-page-type {
  display: block;
  color: var(--cyan);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  margin-bottom: 1em;
}

.lab-page-title {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 900;
  text-transform: uppercase;
  color: var(--white);
  margin: 0 0 0.7em;
  line-height: 1.04;
}

.lab-page-body p {
  font-size: 1.08rem;
  color: var(--gray);
  margin: 0 0 1.3em;
  max-width: 68ch;
}

.lab-page-shots {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gutter);
  margin: 44px 0 8px;
}
.lab-page-shots img {
  width: 100%;
  height: auto;
  display: block;
}
@media (max-width: 560px) {
  .lab-page-shots { grid-template-columns: 1fr; }
}

.lab-page-video { margin: 44px 0 8px; }
.lab-page-video iframe { display: block; width: 100%; aspect-ratio: 16 / 9; height: auto; border: 0; }
.lab-page-video + .lab-page-video { margin-top: var(--gutter); }

.lab-page-materials {
  margin-top: 46px;
  padding-top: 26px;
  border-top: 1px solid rgba(226,226,230,0.18);
}

.lab-page-materials-label {
  color: var(--cyan);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  display: block;
  margin-bottom: 0.6em;
}

.lab-page-materials p {
  margin: 0;
  color: var(--gray);
  font-size: 1rem;
}

.lab-page-materials a {
  color: var(--white);
  font-size: 1rem;
  font-weight: 600;
  word-break: break-all;
  transition: color 0.2s ease;
}
.lab-page-materials a:hover { color: var(--cyan); }

/* ---------- Scroll reveal ---------- */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

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

@media (max-width: 900px) {
  .hero {
    padding-top: calc(var(--edge) + 60px);
  }
  .hero-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
  }
  .hero-blocks {
    grid-template-rows: repeat(4, 70px);
  }
  .hero-name-panel { padding: 30px 0; }
  .hero-photo-wrap { min-height: 320px; }

  .about-grid {
    grid-template-columns: 1fr;
  }
  .about-photo { order: -1; aspect-ratio: 16 / 9; }

  .resume-group {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .keynote-cards {
    grid-auto-columns: min(72vw, 320px);
  }

  .lab-grid {
    grid-template-rows: 180px 180px;
    grid-auto-columns: min(72vw, 320px);
  }

  .section { padding: 64px var(--edge); }
}

@media (max-width: 560px) {
  :root { --edge: 18px; --gutter: 8px; }

  .lab-grid {
    grid-template-rows: 170px 170px;
    grid-auto-columns: 78vw;
  }

  .resume-label { font-size: 0.85rem; }

  .contact-label { min-width: 70px; }
}

/* ============================================
   Blog
   ============================================ */

/* ---------- Blog index ---------- */

.blog-page {
  padding: calc(var(--edge) + 100px) var(--edge) 80px;
  max-width: 900px;
  margin: 0 auto;
  min-height: calc(100vh - 130px);
}

.blog-page-title {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 900;
  text-transform: uppercase;
  color: var(--white);
  margin: 0 0 0.5em;
  line-height: 1.04;
}

.blog-page-intro {
  max-width: 60ch;
  font-size: 1.1rem;
  color: var(--gray);
  margin: 0 0 50px;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--gutter);
}

.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--deep-blue);
  overflow: hidden;
  transition: transform 0.3s ease;
}
.blog-card:hover { transform: translateY(-4px); }
.blog-card:hover .blog-card-title { color: var(--cyan); }

.blog-card-thumb {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.blog-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-card-body {
  padding: 22px 24px 26px;
  display: flex;
  flex-direction: column;
  gap: 0.5em;
}

.blog-card-date {
  color: var(--cyan);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
}

.blog-card-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
  transition: color 0.2s ease;
}

.blog-card-teaser {
  margin: 0;
  font-size: 0.95rem;
  color: var(--gray);
}

/* ---------- Blog post page ---------- */

.post-page {
  padding: calc(var(--edge) + 100px) var(--edge) 90px;
  max-width: 680px;
  margin: 0 auto;
  min-height: calc(100vh - 130px);
}

.post-title {
  font-size: clamp(1.9rem, 4.6vw, 3rem);
  font-weight: 900;
  text-transform: uppercase;
  color: var(--white);
  margin: 0 0 0.4em;
  line-height: 1.1;
}

.post-deck {
  font-size: 1.15rem;
  color: var(--gray);
  margin: 0 0 0.9em;
  max-width: 60ch;
}

.post-meta {
  color: var(--cyan);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  margin: 0 0 40px;
}

.post-hero {
  margin: 0 0 44px;
}
.post-hero img {
  width: 100%;
  height: auto;
  display: block;
}

.post-body p {
  font-size: 1.08rem;
  line-height: 1.7;
  color: var(--gray);
  margin: 0 0 1.3em;
}

.post-body h2 {
  font-size: 1.35rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--white);
  line-height: 1.2;
  margin: 2em 0 0.7em;
}

.post-body strong {
  color: var(--white);
  font-weight: 800;
}

.post-body a {
  color: var(--cyan);
  text-decoration: underline;
  transition: color 0.2s ease;
}
.post-body a:hover { color: var(--white); }

.post-disclosure {
  margin: 36px 0 0;
  font-size: 0.8rem;
  color: var(--gray);
  opacity: 0.55;
}

.post-footer-back {
  display: inline-block;
  margin-top: 20px;
  margin-bottom: 0;
}

@media (max-width: 560px) {
  .blog-page-intro { margin: 0 0 36px; }
  .post-hero { margin-bottom: 32px; }
}