/* ---------------------------------------------------------------------------
   Lumen Practice — landing page styles
   --------------------------------------------------------------------------- */

:root {
  --bg: #0b0a08;
  --bg-soft: #131210;
  --fg: #f1ece1;
  --fg-dim: #82796a;
  --rule: rgba(241, 236, 225, 0.10);
  --accent: #d9a76a;
  --accent-dim: rgba(217, 167, 106, 0.32);

  --serif: 'Cormorant Garamond', 'Times New Roman', serif;
  --sans: 'DM Sans', system-ui, -apple-system, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;

  --max: 1520px;
  --gutter: clamp(22px, 4.4vw, 72px);
}

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

html,
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-weight: 300;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}

html.lenis { height: auto; }
html.lenis.lenis-smooth { scroll-behavior: auto !important; }

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

em {
  font-style: italic;
  font-family: var(--serif);
  font-weight: 400;
}

::selection {
  background: var(--accent);
  color: var(--bg);
}

/* ---------------------------------------------------------------------------
   Film grain
   --------------------------------------------------------------------------- */

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1000;
  opacity: 0.08;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.92' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.7 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  background-size: 220px 220px;
}

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

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 22px var(--gutter);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg);
  mix-blend-mode: difference;
}

.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--serif);
  font-weight: 500;
  font-size: 22px;
  letter-spacing: -0.005em;
  text-transform: none;
}

.nav__mark {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1px solid currentColor;
  position: relative;
}

.nav__mark::before {
  content: '';
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-dim);
}

.nav__links {
  display: flex;
  justify-content: center;
  gap: 36px;
}

.nav__links a {
  opacity: 0.85;
  transition: opacity 0.3s ease;
}

.nav__links a:hover { opacity: 1; }

.nav__status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  justify-self: end;
  font-size: 11px;
  letter-spacing: 0.22em;
}

.nav__status::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
  animation: pulse 2.2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.82); }
}

@media (max-width: 820px) {
  .nav { grid-template-columns: 1fr auto; }
  .nav__links, .nav__status { display: none; }
}

/* ---------------------------------------------------------------------------
   Hero — sticky, WebGL canvas behind text
   --------------------------------------------------------------------------- */

.hero {
  position: sticky;
  top: 0;
  z-index: 1;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  min-height: 640px;
  overflow: hidden;
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: 96px var(--gutter) 36px;
}

.page-stack {
  position: relative;
  z-index: 2;
  background: var(--bg);
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 1s ease 0.15s;
}

.hero__canvas.is-ready { opacity: 1; }

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(circle at center, rgba(11, 10, 8, 0.85) 0%, rgba(11, 10, 8, 0.6) 35%, transparent 70%),
    linear-gradient(to bottom, transparent 0%, transparent 80%, var(--bg) 100%);
}

.hero__topbar,
.hero__core,
.hero__bottom {
  position: relative;
  z-index: 2;
}

.hero__topbar {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

.hero__topbar > span:first-child {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.hero__topbar > span:first-child::before {
  content: '';
  display: inline-block;
  width: 22px;
  height: 1px;
  background: var(--accent);
}

.hero__core {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 26px;
  text-align: center;
}

.hero__eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(54px, 9.6vw, 160px);
  line-height: 0.96;
  letter-spacing: -0.018em;
  max-width: 14ch;
}

.hero__line { display: block; }

.hero__line--italic {
  font-style: italic;
  color: var(--accent);
  font-weight: 500;
}

.hero__bottom {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: end;
  gap: 32px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

.hero__caption {
  font-family: var(--sans);
  letter-spacing: 0.01em;
  text-transform: none;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--fg);
  max-width: 380px;
  opacity: 0.78;
}

.hero__scroll {
  justify-self: center;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.hero__scroll-line {
  width: 1px;
  height: 38px;
  background: linear-gradient(to bottom, transparent, var(--accent));
  animation: drip 2.4s ease-in-out infinite;
  transform-origin: top;
}

@keyframes drip {
  0%, 100% { transform: scaleY(0.4); opacity: 0.5; }
  50% { transform: scaleY(1); opacity: 1; }
}

.hero__signoff {
  justify-self: end;
  text-align: right;
  line-height: 1.7;
}

@media (max-width: 820px) {
  .hero__bottom {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .hero__scroll, .hero__signoff {
    justify-self: start;
    text-align: left;
  }
}

/* ---------------------------------------------------------------------------
   Section scaffolding
   --------------------------------------------------------------------------- */

section {
  position: relative;
  padding: clamp(96px, 14vh, 200px) var(--gutter);
  max-width: var(--max);
  margin: 0 auto;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: 56px;
}

.section-tag::before {
  content: '';
  display: inline-block;
  width: 28px;
  height: 1px;
  background: var(--accent);
}

/* ---------------------------------------------------------------------------
   Manifesto (about)
   --------------------------------------------------------------------------- */

.manifesto__lede {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(34px, 5vw, 78px);
  line-height: 1.05;
  letter-spacing: -0.018em;
  max-width: 18ch;
  margin-bottom: 80px;
}

.manifesto__lede em { color: var(--accent); }

.manifesto__grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(40px, 6vw, 120px);
  border-top: 1px solid var(--rule);
  padding-top: 48px;
}

.manifesto__col h3 {
  font-family: var(--mono);
  font-weight: 400;
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 22px;
}

.manifesto__col p {
  font-size: 16px;
  line-height: 1.78;
  color: var(--fg);
  opacity: 0.82;
  max-width: 540px;
}

.manifesto__col p + p {
  margin-top: 20px;
}

@media (max-width: 820px) {
  .manifesto__grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

/* ---------------------------------------------------------------------------
   Practice (services)
   --------------------------------------------------------------------------- */

.practice__list {
  list-style: none;
  border-top: 1px solid var(--rule);
}

.practice__row {
  display: grid;
  grid-template-columns: 60px 1.4fr 2fr 1fr;
  gap: 28px;
  padding: 42px 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
  transition: background 0.4s ease, padding 0.4s ease;
}

.practice__row:hover {
  background: rgba(255, 255, 255, 0.015);
  padding-left: 14px;
}

.practice__num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.06em;
}

.practice__title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(28px, 3.2vw, 44px);
  letter-spacing: -0.012em;
}

.practice__body {
  color: var(--fg);
  opacity: 0.74;
  font-size: 15px;
  line-height: 1.65;
  max-width: 420px;
}

.practice__tags {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fg-dim);
  text-align: right;
  line-height: 1.9;
}

@media (max-width: 900px) {
  .practice__row {
    grid-template-columns: 40px 1fr;
    gap: 14px;
  }
  .practice__body, .practice__tags {
    grid-column: 2;
  }
  .practice__tags { text-align: left; }
}

/* ---------------------------------------------------------------------------
   Field (selected works grid)
   --------------------------------------------------------------------------- */

.field__head {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: end;
  margin-bottom: 64px;
}

.field__heading {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(36px, 5.4vw, 84px);
  line-height: 1.02;
  letter-spacing: -0.018em;
  max-width: 16ch;
}

.field__heading em { color: var(--accent); }

.field__lede {
  font-size: 15px;
  line-height: 1.7;
  color: var(--fg);
  opacity: 0.74;
  max-width: 460px;
}

.field__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(16px, 2.4vw, 32px);
}

.field__card {
  position: relative;
  overflow: hidden;
  background: var(--bg-soft);
  border-radius: 2px;
}

.field__card--lg { grid-column: span 7; aspect-ratio: 4 / 5; }
.field__card--sm { grid-column: span 5; aspect-ratio: 4 / 5; }
.field__card--wide { grid-column: span 8; aspect-ratio: 16 / 10; }
.field__card--tall { grid-column: span 4; aspect-ratio: 16 / 20; }

.field__card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.78) saturate(0.92);
  transform: scale(1.04);
  transition: transform 1.2s cubic-bezier(0.2, 0.7, 0.2, 1),
              filter 0.6s ease;
}

.field__card:hover img {
  transform: scale(1);
  filter: brightness(1) saturate(1);
}

.field__caption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  background: linear-gradient(to top, rgba(11, 10, 8, 0.9), transparent);
  color: var(--fg);
}

.field__caption span:last-child { color: var(--accent); }

@media (max-width: 820px) {
  .field__head {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .field__card--lg,
  .field__card--sm,
  .field__card--wide,
  .field__card--tall {
    grid-column: span 12;
    aspect-ratio: 4 / 5;
  }
}

/* ---------------------------------------------------------------------------
   Approach (process)
   --------------------------------------------------------------------------- */

.approach__intro {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(24px, 3vw, 44px);
  line-height: 1.18;
  letter-spacing: -0.012em;
  max-width: 22ch;
  margin-bottom: 60px;
  color: var(--fg);
}

.approach__intro em { color: var(--accent); }

/* ─── Experience Carousel ─────────────────────────────────────── */

.exp-carousel-scene {
  position: relative;
  overflow: visible;
  padding: 40px 0 60px;
  cursor: grab;
}

/* Clip container for fade effect */
.exp-carousel-clip {
  overflow: hidden;
  position: relative;
}

.exp-carousel-scene:active {
  cursor: grabbing;
}

.exp-carousel-track {
  display: flex;
  gap: 28px;
  will-change: transform;
  padding: 10px 0 20px;
}

/* Side fade overlays — glassmorphism feel */
.exp-fade {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 18%;
  pointer-events: none;
  z-index: 10;
}
.exp-fade--left {
  left: 0;
  background: linear-gradient(to right, var(--bg, #0b0a08) 0%, transparent 100%);
}
.exp-fade--right {
  right: 0;
  background: linear-gradient(to left, var(--bg, #0b0a08) 0%, transparent 100%);
}

/* ─── Card Base ──────────────────────────────────────────────── */

.exp-card {
  flex: 0 0 clamp(280px, 28vw, 360px);
  position: relative;
  padding: 36px 32px 32px;
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  background: linear-gradient(145deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.01) 100%);
  backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 300px;
  /* Default: faded, shrunk */
  opacity: 0.4;
  transform: scale(0.88);
  filter: blur(1.5px);
  transition:
    opacity  0.55s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.55s cubic-bezier(0.4, 0, 0.2, 1),
    filter   0.55s ease,
    box-shadow 0.55s ease,
    border-color 0.4s ease;
  user-select: none;
}

/* Adjacent cards: slightly more visible */
.exp-card.exp-card--near {
  opacity: 0.7;
  transform: scale(0.94);
  filter: blur(0.5px);
}

/* Active / center card: full spotlight */
.exp-card.exp-card--active {
  opacity: 1;
  transform: scale(1.06);
  filter: blur(0);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.02) 100%);
  border-color: rgba(217, 167, 106, 0.6);
  box-shadow:
    0 0 0 1px rgba(217, 167, 106, 0.25),
    0 24px 60px rgba(0, 0, 0, 0.7),
    0 0 80px rgba(217, 167, 106, 0.25),
    inset 0 1px 0 rgba(255,255,255,0.15);
  z-index: 5;
}

/* Berlitz card gets a blue glow when active */
.exp-card--berlitz.exp-card--active {
  border-color: rgba(14, 165, 233, 0.6);
  box-shadow:
    0 0 0 1px rgba(14, 165, 233, 0.3),
    0 24px 60px rgba(0, 0, 0, 0.7),
    0 0 80px rgba(14, 165, 233, 0.3),
    inset 0 1px 0 rgba(255,255,255,0.15);
}

/* Ambient glow blob behind active card */
.exp-card.exp-card--active::before {
  content: '';
  position: absolute;
  inset: -40px;
  border-radius: 50%;
  background: radial-gradient(ellipse at 50% 50%, rgba(217, 167, 106, 0.25) 0%, transparent 70%);
  filter: blur(30px);
  pointer-events: none;
  z-index: -1;
}

.exp-card--berlitz.exp-card--active::before {
  background: radial-gradient(ellipse at 50% 50%, rgba(14, 165, 233, 0.25) 0%, transparent 70%);
}

/* ─── Card Inner Elements ─────────────────────────────────────── */

.exp-card__num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--accent);
  opacity: 0.7;
}

.exp-card__logo {
  height: 60px;
  display: flex;
  align-items: center;
  margin-bottom: 8px;
}
.exp-card__logo img {
  max-height: 52px;
  max-width: 160px;
  object-fit: contain;
  opacity: 0.95;
  transition: opacity 0.3s ease;
}

.exp-card__logo img.logo-highlight {
  background: rgba(255, 255, 255, 0.95);
  padding: 6px 14px;
  border-radius: 8px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
}

.exp-card__logo.logo-container-xl {
  height: 95px;
}
.exp-card__logo img.logo-xl {
  max-height: 85px;
  max-width: 220px;
  padding: 10px 18px;
}
.exp-card.exp-card--active .exp-card__logo img {
  opacity: 1;
}
.exp-card__title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(18px, 2vw, 24px);
  letter-spacing: -0.01em;
  color: var(--fg);
  line-height: 1.25;
}

.exp-card__body {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--fg);
  opacity: 0.72;
  flex: 1;
}

.exp-card__line {
  width: 32px;
  height: 1px;
  background: var(--accent);
  margin-top: auto;
  opacity: 0.6;
}

@media (max-width: 900px) {
  .exp-card { flex: 0 0 clamp(260px, 75vw, 320px); }
  .exp-fade { width: 10%; }
}
@media (max-width: 520px) {
  .exp-card { flex: 0 0 82vw; padding: 28px 22px 24px; }
}

/* ---------------------------------------------------------------------------
   Conversation (contact CTA)
   --------------------------------------------------------------------------- */

.conversation__headline {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(56px, 10.5vw, 180px);
  line-height: 0.96;
  letter-spacing: -0.02em;
  margin-bottom: 72px;
  max-width: 12ch;
}

.conversation__headline em { color: var(--accent); }

.conversation__row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 36px;
  border-top: 1px solid var(--rule);
  padding-top: 40px;
  align-items: start;
}

.conversation__email {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(26px, 3.2vw, 44px);
  letter-spacing: -0.012em;
  transition: color 0.3s ease;
}

.conversation__email span {
  display: inline-block;
  transition: transform 0.3s ease;
}

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

.conversation__email:hover span {
  transform: translate(2px, -2px);
}

.conversation__col h5 {
  font-family: var(--mono);
  font-weight: 400;
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: 14px;
}

.conversation__col p,
.conversation__col a {
  font-size: 14px;
  line-height: 1.75;
  color: var(--fg);
  opacity: 0.82;
}

.conversation__col a:hover { color: var(--accent); }

@media (max-width: 820px) {
  .conversation__row {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

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

.footer {
  border-top: 1px solid var(--rule);
  padding: 32px var(--gutter);
  max-width: var(--max);
  margin: 0 auto;
}

.footer__row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

.footer__row > :last-child {
  text-align: right;
}

.footer__row a:hover { color: var(--accent); }

@media (max-width: 720px) {
  .footer__row {
    grid-template-columns: 1fr;
    text-align: left;
  }
  .footer__row > :nth-child(2),
  .footer__row > :last-child {
    text-align: left;
  }
}