/* ============================================================
   Vishvas Gajera — Founder site
   Premium dark / aerospace theme
   ============================================================ */

:root {
  --bg: #05060a;
  --bg-soft: #0a0c14;
  --panel: rgba(18, 22, 34, 0.55);
  --panel-border: rgba(120, 150, 220, 0.14);
  --text: #e8ecf6;
  --text-dim: #97a1bc;
  --text-faint: #5f6884;

  --accent: #6ea8ff;
  --accent-2: #9b8cff;
  --accent-warm: #ff8a5c;
  --glow: rgba(110, 168, 255, 0.5);

  --maxw: 1120px;
  --radius: 18px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

/* ---------- Animated background layers ---------- */
#starfield {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -3;
  display: block;
}

.nebula {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
}

.nebula-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.42;
  mix-blend-mode: screen;
  animation: drift 26s var(--ease) infinite alternate;
}

.nebula-blob--a {
  width: 46vw; height: 46vw;
  top: -12vw; left: -8vw;
  background: radial-gradient(circle at 30% 30%, #2a4cff, transparent 65%);
}
.nebula-blob--b {
  width: 40vw; height: 40vw;
  bottom: -14vw; right: -6vw;
  background: radial-gradient(circle at 60% 40%, #7b3cff, transparent 65%);
  animation-delay: -8s;
}
.nebula-blob--c {
  width: 34vw; height: 34vw;
  top: 38%; left: 52%;
  background: radial-gradient(circle at 50% 50%, #ff5e3a, transparent 68%);
  opacity: 0.22;
  animation-delay: -16s;
}

@keyframes drift {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(6vw, 5vw) scale(1.18); }
}

.grid-overlay {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(120, 150, 220, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 150, 220, 0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 30%, transparent 80%);
}

.scanline {
  position: fixed;
  inset: 0;
  z-index: 999;
  pointer-events: none;
  background: linear-gradient(rgba(255,255,255,0.025), transparent 3px);
  background-size: 100% 4px;
  opacity: 0.35;
  mix-blend-mode: overlay;
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px clamp(20px, 5vw, 56px);
  transition: padding 0.4s var(--ease), background 0.4s var(--ease), border-color 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}

.nav.is-scrolled {
  padding-top: 12px;
  padding-bottom: 12px;
  background: rgba(5, 6, 10, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--panel-border);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.nav__logo {
  display: grid;
  place-items: center;
  width: 36px; height: 36px;
  border-radius: 10px;
  color: var(--accent);
  background: linear-gradient(160deg, rgba(110,168,255,0.18), rgba(155,140,255,0.08));
  border: 1px solid var(--panel-border);
  box-shadow: 0 0 18px rgba(110,168,255,0.25);
}

.nav__name { font-size: 1rem; }

.nav__links {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 0.92rem;
  color: var(--text-dim);
}
.nav__links a { transition: color 0.25s var(--ease); }
.nav__links a:not(.nav__cta):hover { color: var(--text); }

.nav__cta {
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid var(--panel-border);
  color: var(--text);
  background: rgba(110,168,255,0.08);
  transition: all 0.25s var(--ease);
}
.nav__cta:hover {
  background: rgba(110,168,255,0.18);
  border-color: var(--accent);
  box-shadow: 0 0 22px rgba(110,168,255,0.3);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}
.nav__toggle span {
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Layout primitives ---------- */
.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(80px, 12vh, 150px) clamp(20px, 5vw, 40px);
}

.section__head { margin-bottom: 54px; }

.section__tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-block;
  margin-bottom: 16px;
}

.section__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.8rem, 4.5vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  max-width: 16ch;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 120px clamp(20px, 5vw, 40px) 80px;
}

.hero__inner { max-width: 880px; }

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  padding: 8px 16px;
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  background: var(--panel);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  margin-bottom: 30px;
  animation: rise 0.9s var(--ease) both;
}

.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #5cffa6;
  box-shadow: 0 0 0 0 rgba(92,255,166,0.6);
  animation: pulse 2.2s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(92,255,166,0.6); }
  70%  { box-shadow: 0 0 0 8px rgba(92,255,166,0); }
  100% { box-shadow: 0 0 0 0 rgba(92,255,166,0); }
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3rem, 11vw, 7.5rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
  background: linear-gradient(180deg, #ffffff 30%, #aebbe0 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: rise 1s var(--ease) 0.06s both;
}

.hero__tagline {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.25rem, 3.4vw, 2.1rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-top: 22px;
  color: #d7deef;
  animation: rise 1s var(--ease) 0.16s both;
}

.hl {
  position: relative;
  color: #fff;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  white-space: nowrap;
}

.hero__desc {
  max-width: 56ch;
  margin-top: 22px;
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  color: var(--text-dim);
  animation: rise 1s var(--ease) 0.26s both;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 38px;
  animation: rise 1s var(--ease) 0.36s both;
}

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(24px, 6vw, 64px);
  margin-top: 56px;
  padding-top: 30px;
  border-top: 1px solid var(--panel-border);
  animation: rise 1s var(--ease) 0.46s both;
}
.stat dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 6px;
}
.stat dd {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--text);
}

.hero__scroll {
  position: absolute;
  left: clamp(20px, 5vw, 40px);
  bottom: 36px;
  width: 26px; height: 42px;
  border: 1.5px solid var(--panel-border);
  border-radius: 14px;
  display: grid;
  place-items: start center;
  padding-top: 8px;
}
.hero__scroll span {
  width: 4px; height: 8px;
  border-radius: 2px;
  background: var(--accent);
  animation: scroll 1.8s var(--ease) infinite;
}
@keyframes scroll {
  0% { opacity: 0; transform: translateY(0); }
  40% { opacity: 1; }
  80%, 100% { opacity: 0; transform: translateY(14px); }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.98rem;
  padding: 13px 24px;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease);
  border: 1px solid transparent;
  will-change: transform;
}
.btn svg { transition: transform 0.25s var(--ease); }
.btn--primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #06070d;
  box-shadow: 0 6px 26px rgba(110,168,255,0.35);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 10px 34px rgba(110,168,255,0.5); }
.btn--primary:hover svg { transform: translateX(4px); }
.btn--ghost {
  color: var(--text);
  border-color: var(--panel-border);
  background: var(--panel);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.btn--ghost:hover { border-color: var(--accent); transform: translateY(-2px); }

/* ---------- Mission ---------- */
.mission__grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(28px, 5vw, 64px);
}
.mission__lead {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.2rem, 2.4vw, 1.65rem);
  line-height: 1.4;
  color: var(--text);
}
.mission__body {
  font-size: 1.05rem;
  color: var(--text-dim);
  align-self: end;
}

/* ---------- Cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.card {
  position: relative;
  padding: 30px;
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  overflow: hidden;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgba(110,168,255,0.16), transparent 45%);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  pointer-events: none;
}
.card:hover {
  transform: translateY(-5px);
  border-color: rgba(110,168,255,0.4);
  box-shadow: 0 18px 50px rgba(0,0,0,0.45);
}
.card:hover::before { opacity: 1; }

.card__icon {
  width: 48px; height: 48px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  color: var(--accent);
  background: rgba(110,168,255,0.1);
  border: 1px solid var(--panel-border);
  margin-bottom: 20px;
}
.card__icon svg { width: 24px; height: 24px; }
.card__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  margin-bottom: 10px;
}
.card__text { color: var(--text-dim); font-size: 0.98rem; }

/* ---------- Projects (video cards) ---------- */
.cards--projects { grid-template-columns: repeat(3, 1fr); }

.project { display: flex; flex-direction: column; padding: 0; overflow: hidden; }
.project .card__title { padding: 0 24px; margin-top: 20px; }
.project .card__text { flex: 1; padding: 0 24px 22px; }

.project__media {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  padding: 0;
  border: 0;
  border-bottom: 1px solid var(--panel-border);
  cursor: pointer;
  overflow: hidden;
  background:
    radial-gradient(120% 120% at 30% 20%, rgba(110,168,255,0.18), transparent 60%),
    linear-gradient(160deg, #0c1020, #070910);
}
.project__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}
.project:hover .project__video { transform: scale(1.05); }

.project__index {
  position: absolute;
  top: 14px; left: 16px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  color: var(--text);
  text-shadow: 0 1px 8px rgba(0,0,0,0.6);
  transition: color 0.4s var(--ease);
}
.project:hover .project__index { color: var(--accent); }

.project__link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin: 0 24px 24px;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--accent);
}
.project__link svg { transition: transform 0.3s var(--ease); }
.project:hover .project__link svg { transform: translateX(4px); }

/* ---------- Highlights (homepage) ---------- */
.highlights__cta {
  display: flex;
  justify-content: center;
  margin-top: 40px;
}

/* ---------- Video / media lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(16px, 4vw, 48px);
  background: rgba(3, 4, 8, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s var(--ease), visibility 0.35s var(--ease);
}
.lightbox.is-open { opacity: 1; visibility: visible; }

.lightbox__inner {
  width: min(960px, 100%);
  transform: translateY(12px) scale(0.98);
  transition: transform 0.4s var(--ease);
}
.lightbox.is-open .lightbox__inner { transform: none; }

.lightbox__video, .lightbox__img {
  width: 100%;
  max-height: 82vh;
  border-radius: var(--radius);
  border: 1px solid var(--panel-border);
  background: #06070d;
  box-shadow: 0 30px 80px rgba(0,0,0,0.6);
  display: block;
}
.lightbox__video { object-fit: contain; }
.lightbox__img { object-fit: contain; }
.lightbox__img[hidden], .lightbox__video[hidden] { display: none; }

.lightbox__caption {
  margin-top: 14px;
  text-align: center;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--text-dim);
}
.lightbox__close {
  position: absolute;
  top: 20px; right: 24px;
  width: 44px; height: 44px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  cursor: pointer;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  transition: background 0.25s var(--ease), transform 0.25s var(--ease);
}
.lightbox__close:hover { background: rgba(110,168,255,0.18); transform: rotate(90deg); }

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px; height: 48px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  cursor: pointer;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  transition: background 0.25s var(--ease), transform 0.25s var(--ease);
  z-index: 2;
}
.lightbox__nav--prev { left: clamp(12px, 3vw, 32px); }
.lightbox__nav--next { right: clamp(12px, 3vw, 32px); }
.lightbox__nav:hover { background: rgba(110,168,255,0.18); }
.lightbox__nav--prev:hover { transform: translateY(-50%) translateX(-3px); }
.lightbox__nav--next:hover { transform: translateY(-50%) translateX(3px); }

/* ---------- Flight Log: header ---------- */
.logbook-head { padding-top: clamp(120px, 18vh, 200px); }

.backlink {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  margin-bottom: 30px;
  transition: color 0.25s var(--ease), gap 0.25s var(--ease);
}
.backlink:hover { color: var(--text); gap: 12px; }

.logbook-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.4rem, 7vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin: 16px 0 22px;
  background: linear-gradient(180deg, #ffffff 30%, #aebbe0 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.logbook-lead {
  max-width: 60ch;
  font-size: clamp(1.02rem, 1.7vw, 1.2rem);
  color: var(--text-dim);
}
.logbook-stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(24px, 6vw, 64px);
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid var(--panel-border);
}

/* ---------- Flight Log: gallery (photos + videos) ---------- */
.gallery-section { padding-top: 0; }

.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 220px;
  gap: 16px;
}
.photo {
  position: relative;
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--panel-border);
  cursor: pointer;
  background:
    radial-gradient(120% 120% at 30% 20%, rgba(110,168,255,0.18), transparent 60%),
    linear-gradient(160deg, #0c1020, #070910);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s var(--ease);
}
.photo--wide { grid-column: span 2; }
.photo--tall { grid-row: span 2; }

.photo img, .photo__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s var(--ease), opacity 0.4s var(--ease);
}
.photo img:not([src]), .photo img[src=""], .photo img.is-broken { opacity: 0; }
.photo:hover { transform: translateY(-4px); border-color: rgba(110,168,255,0.4); box-shadow: 0 18px 50px rgba(0,0,0,0.45); }
.photo:hover img, .photo:hover .photo__video { transform: scale(1.06); }

.gallery-note {
  margin-top: 34px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: var(--text-faint);
}

/* ---------- Timeline ---------- */
.timeline {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  position: relative;
}
.timeline::before {
  content: "";
  position: absolute;
  top: 7px; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--panel-border) 12%, var(--panel-border) 88%, transparent);
}
.timeline__item {
  position: relative;
  padding-top: 34px;
}
.timeline__marker {
  position: absolute;
  top: 0; left: 0;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(110,168,255,0.15), 0 0 18px var(--glow);
}
.timeline__phase {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.timeline__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.3rem;
  margin: 8px 0 8px;
}
.timeline__text { color: var(--text-dim); font-size: 0.96rem; }

/* ---------- Contact ---------- */
.section--contact { text-align: center; }
.contact { max-width: 640px; margin: 0 auto; }
.contact__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.9rem, 5vw, 3.2rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 16px 0 18px;
}
.contact__text { color: var(--text-dim); font-size: 1.08rem; }
.contact__actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 26px;
  margin-top: 38px;
}
.contact__socials { display: flex; gap: 26px; }
.social {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  color: var(--text-dim);
  position: relative;
  transition: color 0.25s var(--ease);
}
.social::after {
  content: "";
  position: absolute;
  left: 0; bottom: -4px;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width 0.3s var(--ease);
}
.social:hover { color: var(--text); }
.social:hover::after { width: 100%; }

/* ---------- Footer ---------- */
.footer {
  text-align: center;
  padding: 40px 20px;
  border-top: 1px solid var(--panel-border);
  color: var(--text-faint);
  font-size: 0.86rem;
  font-family: var(--font-mono);
}

/* ---------- Reveal on scroll ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
[data-reveal].is-visible { opacity: 1; transform: none; }
[data-reveal][data-delay="1"] { transition-delay: 0.1s; }
[data-reveal][data-delay="2"] { transition-delay: 0.2s; }
[data-reveal][data-delay="3"] { transition-delay: 0.3s; }

@keyframes rise {
  from { opacity: 0; transform: translateY(26px); }
  to   { opacity: 1; transform: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .cards--projects { grid-template-columns: repeat(2, 1fr); }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .photo--wide, .photo--tall { grid-column: auto; grid-row: auto; }
  .photo--wide { grid-column: span 2; }
}

@media (max-width: 860px) {
  .nav__links {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(78vw, 320px);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 26px;
    padding: 40px;
    font-size: 1.1rem;
    background: rgba(8, 10, 18, 0.92);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-left: 1px solid var(--panel-border);
    transform: translateX(100%);
    transition: transform 0.4s var(--ease);
  }
  .nav__links.is-open { transform: translateX(0); }
  .nav__toggle { display: flex; z-index: 101; }

  .mission__grid { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr; grid-auto-rows: 240px; }
  .photo--wide, .photo--tall { grid-column: auto; grid-row: auto; }
  .timeline { grid-template-columns: 1fr; gap: 28px; }
  .timeline::before { display: none; }
  .timeline__item { padding-top: 0; padding-left: 28px; }
  .timeline__marker { top: 4px; }
}

@media (max-width: 480px) {
  .hero { padding-top: 100px; }
  .hero__stats { gap: 22px; }
  .hero__scroll { display: none; }
}

/* ---------- Accessibility ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}