/* OO studio — styles.css
 * Tone: rauno.me inspired. Dark, hairlines, mono accents, typographic restraint.
 */

:root {
  --bg: #0a0a0a;
  --bg-elev: #0e0e0e;
  --fg: #ededed;
  --fg-dim: #a0a0a0;
  --fg-mute: #5a5a5a;
  --line: #161616;
  --line-strong: #1f1f1f;
  --accent: #c4e85a;
  --accent-soft: #b0d345;
  --radius: 3px;
  --max-w: 620px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, 'Noto Sans Thai', 'Apple SD Gothic Neo', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #fafaf9;
    --bg-elev: #ffffff;
    --fg: #0f0f0f;
    --fg-dim: #555;
    --fg-mute: #8a8a8a;
    --line: #ececec;
    --line-strong: #d0d0d0;
    --accent: #4a7d00;
    --accent-soft: #5e9300;
  }
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  letter-spacing: -0.005em;
  position: relative;
  min-height: 100vh;
  overflow-wrap: anywhere;
}

/* Korean: never split inside a word — break at word/phrase boundaries only */
:lang(ko) {
  word-break: keep-all;
  line-break: strict;
}

/* Headings & sub-lines: balance wrap for cleaner ragged edges */
h1, h2, h3, .section-head .sub, .hero h1 .line-text {
  text-wrap: balance;
}
/* Paragraphs: pretty wrap (avoid orphaned last word) */
p, .marketing-intro, .mode-desc, .ch-tags {
  text-wrap: pretty;
}

main, header { position: relative; z-index: 1; }

/* Scroll progress hairline */
#scroll-progress {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 1px;
  background: var(--fg);
  transform-origin: left center;
  transform: scaleX(0);
  z-index: 50;
  pointer-events: none;
  opacity: 0.65;
  transition: transform 80ms linear;
}
@media (prefers-reduced-motion: reduce) { #scroll-progress { display: none; } }

/* Section number pin — quiet, mono, mid-vertical */
#section-pin {
  position: fixed;
  top: 50%;
  left: 24px;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  z-index: 40;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  gap: 3px;
  opacity: 0;
  transition: opacity 320ms ease;
  mix-blend-mode: difference;
}
#section-pin.visible { opacity: 0.7; }
#section-pin .num {
  font-size: 0.66rem;
  letter-spacing: 0;
  color: rgba(255,255,255,0.85);
  font-weight: 400;
  transition: opacity 180ms;
}
#section-pin .label {
  font-size: 0.56rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  transition: opacity 180ms;
}
#section-pin.swapping .num, #section-pin.swapping .label { opacity: 0; }
@media (max-width: 820px) { #section-pin { display: none; } }
@media (prefers-reduced-motion: reduce) { #section-pin { display: none; } }

a { color: inherit; text-decoration: none; }
p a:hover, li a:hover { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }

/* Layout helpers */
.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
}

section {
  padding: 80px 0;
  border-top: 1px solid var(--line);
}

section:first-of-type { border-top: none; }

h1, h2, h3 { font-weight: 500; letter-spacing: -0.02em; }
h1 {
  font-size: clamp(1.55rem, 3.4vw, 2.05rem);
  line-height: 1.18;
  font-weight: 500;
  letter-spacing: -0.03em;
}
h2 { font-size: 0.9rem; }
h3 { font-size: 0.85rem; }

.mono { font-family: var(--font-mono); font-size: 0.82em; letter-spacing: 0; }
.dim { color: var(--fg-dim); }
.mute { color: var(--fg-mute); }

/* Header / Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 10, 10, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
@media (prefers-color-scheme: light) {
  .site-header { background: rgba(250, 250, 249, 0.72); }
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 32px;
  max-width: var(--max-w);
  margin: 0 auto;
}
.brand {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0;
  color: var(--fg);
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
}
.brand:hover { color: var(--fg); text-decoration: none; }
.brand .mute { font-size: 0.72rem; }
.lang-switch {
  display: flex;
  gap: 2px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
}
.lang-switch button {
  background: transparent;
  border: none;
  color: var(--fg-mute);
  padding: 4px 8px;
  border-radius: 3px;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  letter-spacing: 0.02em;
  transition: color 0.15s;
}
.lang-switch button:hover { color: var(--fg-dim); }
.lang-switch button[aria-pressed="true"] { color: var(--fg); }

/* Hero */
.hero { padding: 132px 0 80px; border-top: none; }
.hero .wrap { position: relative; }
.hero .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--fg-mute);
  margin-bottom: 36px;
  letter-spacing: 0;
}
.hero h1 {
  margin-bottom: 26px;
  max-width: 580px;
  --px: 0px;
  --py: 0px;
  --scroll-p: 0;
  letter-spacing: calc(-0.045em + var(--scroll-p) * 0.025em);
  font-size: clamp(1.7rem, 4.6vw, 2.55rem);
  line-height: 1.06;
  display: flex;
  flex-direction: column;
  gap: 2px;
  perspective: 900px;
  transform-style: preserve-3d;
  font-weight: 500;
}
.hero h1 .line {
  display: block;
  position: relative;
  transform-style: preserve-3d;
}
.hero h1 .line:nth-child(1) {
  font-size: 0.72em;
  color: var(--fg-dim);
  font-weight: 400;
  letter-spacing: -0.02em;
}
.hero h1 .line:nth-child(2) {
  font-size: 1.04em;
  margin-top: 6px;
}
.hero h1 .line-ghost {
  position: absolute;
  inset: 0;
  color: transparent;
  -webkit-text-stroke: 1px var(--line-strong);
  pointer-events: none;
  user-select: none;
  transform: translate3d(calc(var(--px) * 1.6), calc(var(--py) * 1.4), -10px);
  opacity: 0.55;
  will-change: transform;
  transition: opacity 500ms;
}
.hero h1 .line-text {
  position: relative;
  display: inline-block;
  transform: translate3d(calc(var(--px) * -0.35), calc(var(--py) * -0.3), 0);
  will-change: transform;
}
.hero h1 .word, .hero h1 .dot {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.5em);
  filter: blur(6px);
  transition:
    opacity 0.75s cubic-bezier(0.2, 0.7, 0.2, 1),
    transform 0.75s cubic-bezier(0.2, 0.7, 0.2, 1),
    filter 0.65s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.hero h1.is-ready .word,
.hero h1.is-ready .dot {
  opacity: 1;
  transform: none;
  filter: blur(0);
}
.hero h1 .dot {
  color: var(--accent);
  font-weight: 600;
  display: inline-block;
  margin-left: 0.02em;
  transform-origin: center 70%;
}
.hero h1 .swap-word {
  color: var(--accent);
  font-weight: 500;
  display: inline-block;
  white-space: nowrap;
}
.hero h1.is-ready .dot {
  animation: dot-pulse 2.4s ease-in-out infinite;
  animation-delay: 1.2s;
}
@keyframes dot-pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.32); opacity: 0.78; }
}
@media (hover: none) {
  /* Touch devices: scroll drives the parallax instead of cursor */
  .hero h1 .line-ghost {
    transform: translate3d(calc(var(--scroll-p) * 18px - 9px), calc(var(--scroll-p) * 4px), -10px);
    opacity: 0.7;
    -webkit-text-stroke-width: 1.25px;
  }
  .hero h1 .line-text {
    transform: translate3d(calc(var(--scroll-p) * -7px + 3px), 0, 0);
  }
  .hero h1.is-ready .dot { animation: dot-pulse 2s ease-in-out infinite; }
  @keyframes dot-pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.45); opacity: 0.7; }
  }
}
@media (prefers-reduced-motion: reduce) {
  .hero h1 .line-ghost { display: none; }
  .hero h1 .line-text { transform: none; }
  .hero h1.is-ready .dot { animation: none; }
}
.hero p { color: var(--fg-dim); max-width: 520px; font-size: 0.95rem; line-height: 1.6; }

/* OOCO mark — scroll-rotated monogram (used inside About section) */
.mark-3d {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  width: 100%;
  max-width: 240px;
  perspective: 1100px;
  transform-style: preserve-3d;
}
.mark-3d .mark-cell {
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: clamp(1.4rem, 3.6vw, 1.9rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--fg);
  border: 1.5px solid var(--line-strong);
  border-radius: 50%;
  background: transparent;
  transform-style: preserve-3d;
  transform: rotateY(var(--rot, 0deg)) rotateX(calc(var(--rot, 0deg) * 0.18)) translateZ(var(--tz, 0px));
  transition: transform 80ms linear, border-color 200ms, color 200ms;
  opacity: 0.96;
}
.mark-3d .mark-cell:nth-child(1) { --tz:  14px; }
.mark-3d .mark-cell:nth-child(2) { --tz: -14px; }
.mark-3d .mark-cell:nth-child(3) { --tz: -14px; }
.mark-3d .mark-cell:nth-child(4) { --tz:  14px; }
.mark-3d .mark-cell.accent { color: var(--accent); border-color: var(--accent); }
@media (max-width: 720px) {
  .mark-3d {
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    max-width: 320px;
    margin: 0 auto;
  }
  .mark-3d .mark-cell { font-size: clamp(1.05rem, 4.4vw, 1.4rem); }
}
@media (prefers-reduced-motion: reduce) {
  .mark-3d .mark-cell { transform: none; transition: none; }
}

/* About */
.about-eyebrow {
  font-size: 0.72rem;
  color: var(--fg-mute);
  letter-spacing: 0;
  margin-bottom: 28px;
}
.about-grid {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 720px) {
  .about-grid { grid-template-columns: 1fr; gap: 18px; }
  .about-eyebrow { margin-bottom: 20px; }
}
.about-mark {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}
@media (max-width: 720px) {
  .about-mark { justify-content: center; }
}
.about-body { color: var(--fg-dim); margin-bottom: 28px; font-size: 0.92rem; line-height: 1.66; }
.skills {
  display: flex;
  flex-direction: column;
  gap: 10px;
  list-style: none;
  border-top: 1px solid var(--line);
  padding-top: 20px;
}
.skills li {
  font-size: 0.85rem;
  color: var(--fg-dim);
  display: flex;
  align-items: baseline;
  gap: 14px;
}
.skills li::before {
  content: counter(skill, decimal-leading-zero);
  counter-increment: skill;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--fg-mute);
  flex-shrink: 0;
  min-width: 18px;
}
.skills { counter-reset: skill; }

/* Section heading */
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 36px;
  gap: 16px;
  flex-wrap: wrap;
}
.section-head h2 { font-family: var(--font-mono); font-size: 0.72rem; color: var(--fg-mute); letter-spacing: 0; font-weight: 400; }
.section-head .sub { color: var(--fg-dim); font-size: 0.76rem; }

/* Portfolio marquee */
.portfolio {
  padding: 96px 0;
  border-top: 1px solid var(--line);
}
.marquee-wrap {
  position: relative;
  overflow: hidden;
  width: 100vw;
  margin-left: calc(-50vw + 50%);
  padding: 12px 0;
  -webkit-mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
  mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
}
.marquee {
  display: flex;
  gap: 18px;
  width: max-content;
  animation: scroll 70s linear infinite;
}
.marquee-wrap:hover .marquee { animation-play-state: paused; }
@keyframes scroll {
  from { transform: translateX(0); }
  to { transform: translateX(calc(-50% - 9px)); }
}
.card {
  width: 280px;
  aspect-ratio: 16 / 11;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  flex-shrink: 0;
  position: relative;
  transition: border-color 0.25s ease;
}
.card:hover { border-color: var(--line-strong); }
.card-photo {
  display: block;
  position: absolute;
  inset: 22px 0 0 0;
  width: 100%;
  height: calc(100% - 22px);
  background-size: cover;
  background-position: center;
  filter: saturate(0.85) brightness(0.9);
  transition: filter 320ms cubic-bezier(.2,.7,.2,1);
}
.card:hover .card-photo { filter: saturate(1) brightness(1); }
.card-chrome {
  position: absolute;
  inset: 0 0 auto 0;
  height: 22px;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0 10px;
  background: rgba(20, 20, 20, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  z-index: 2;
}
.card-chrome span {
  width: 6px; height: 6px; border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
}
@media (prefers-color-scheme: light) {
  .card-chrome { background: rgba(245, 245, 245, 0.92); border-bottom-color: rgba(0,0,0,0.06); }
  .card-chrome span { background: rgba(0,0,0,0.15); }
}
.card-meta {
  position: absolute;
  inset: auto 0 0 0;
  padding: 12px 14px;
  background: linear-gradient(to top, rgba(0,0,0,0.85), rgba(0,0,0,0));
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0;
}
@media (prefers-color-scheme: light) {
  .card-meta { background: linear-gradient(to top, rgba(255,255,255,0.92), rgba(255,255,255,0)); }
}
.card-meta .name { color: #fff; font-size: 0.82rem; font-family: var(--font-sans); font-weight: 500; letter-spacing: -0.01em; margin-bottom: 2px; }
@media (prefers-color-scheme: light) { .card-meta .name { color: #0a0a0a; } }
.card-meta .row { color: #888; }
.card-meta .row span { color: #555; }

/* Pricing */
.pricing-note {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--fg-dim);
  padding: 0;
  margin-bottom: 40px;
  letter-spacing: 0;
}
.pricing-block { margin-bottom: 48px; }
.pricing-block-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--fg-mute);
  margin-bottom: 12px;
  letter-spacing: 0;
}
.tiers {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}
.tier {
  display: grid;
  grid-template-columns: 100px 90px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
@media (max-width: 560px) {
  .tier { grid-template-columns: 1fr; gap: 6px; padding: 16px 0; }
  .tier-price {
    flex-direction: row;
    align-items: baseline;
    gap: 10px;
  }
  .tier-price .was { font-size: 0.72rem; }
  .tier-price .now { font-size: 0.95rem; }
}
.tier-name { font-family: var(--font-mono); font-size: 0.72rem; color: var(--fg-dim); letter-spacing: 0; }
.tier-price {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--fg);
  letter-spacing: -0.01em;
  display: flex;
  flex-direction: column;
  gap: 1px;
  line-height: 1.25;
}
.tier-price .was {
  font-size: 0.68rem;
  color: var(--fg-mute);
  text-decoration: line-through;
  text-decoration-thickness: 1px;
  text-decoration-color: var(--fg-mute);
}
.tier-price .now {
  font-size: 0.86rem;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: -0.015em;
}
.tier-list { color: var(--fg-dim); font-size: 0.85rem; line-height: 1.55; }

.aside-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--fg-dim);
  font-size: 0.84rem;
}
.aside-list li { padding-left: 0; }

.kv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 40px;
}
@media (max-width: 720px) { .kv-grid { grid-template-columns: 1fr; } }
.kv {
  border-top: 1px solid var(--line);
  padding: 20px 0 0 0;
}
.kv h3 { font-family: var(--font-mono); font-size: 0.7rem; color: var(--fg-mute); letter-spacing: 0; margin-bottom: 12px; font-weight: 400; }

/* Costs */
.costs-intro {
  color: var(--fg-dim);
  font-size: 0.9rem;
  margin-bottom: 20px;
  max-width: 520px;
}
.cost-list {
  list-style: none;
  border-top: 1px solid var(--line);
}
.cost-list li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.85rem;
  color: var(--fg-dim);
}
.cost-list li::before {
  content: counter(cost, decimal-leading-zero);
  counter-increment: cost;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--fg-mute);
  flex-shrink: 0;
  min-width: 18px;
}
.cost-list { counter-reset: cost; }
.costs-note {
  margin-top: 20px;
  color: var(--fg-mute);
  font-size: 0.72rem;
  letter-spacing: 0;
  max-width: 520px;
}

/* CTA */
.cta {
  text-align: left;
  padding: 124px 0;
}
.cta h2 { font-family: var(--font-sans); font-size: clamp(1.4rem, 3vw, 1.9rem); margin-bottom: 16px; letter-spacing: -0.03em; color: var(--fg); font-weight: 500; }
.cta p { color: var(--fg-dim); margin-bottom: 36px; max-width: 460px; font-size: 0.92rem; }
.cta-buttons {
  display: flex;
  justify-content: flex-start;
  gap: 10px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--fg);
  cursor: pointer;
  letter-spacing: 0;
  will-change: transform;
  transition: border-color 0.15s, color 0.15s, background 0.15s, transform 0.18s ease-out;
}
.btn:hover { border-color: var(--fg); }
.btn-primary { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.btn-primary:hover { background: var(--accent); border-color: var(--accent); color: #0a0a0a; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
  color: var(--fg-mute);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0;
}
.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

/* Selection */
::selection { background: var(--accent); color: #0a0a0a; }

/* Subtle grain */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
  opacity: 0.03;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.5 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  background-size: 160px 160px;
}
@media (prefers-color-scheme: light) { body::after { opacity: 0.02; mix-blend-mode: multiply; } }

/* Marketing */
.marketing-intro {
  color: var(--fg-dim);
  font-size: 0.95rem;
  line-height: 1.66;
  max-width: 620px;
  margin: 6px 0 56px;
}
.channels {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  list-style: none;
  padding: 0;
  margin: 0 0 64px;
}
@media (max-width: 860px) {
  .channels { grid-template-columns: 1fr; gap: 10px; }
}
.channel {
  position: relative;
  padding: 22px 22px 20px;
  border: 1px solid var(--line);
  background:
    radial-gradient(220px circle at var(--mx, 50%) var(--my, 50%), rgba(196, 232, 90, 0) 0%, transparent 60%),
    var(--bg);
  transition: border-color 240ms ease, transform 380ms cubic-bezier(0.2, 0.7, 0.2, 1), background 200ms ease;
  display: flex;
  flex-direction: column;
  min-height: 168px;
  overflow: hidden;
}
.channel::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 420ms cubic-bezier(0.2, 0.7, 0.2, 1);
}
.channel:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
  background:
    radial-gradient(240px circle at var(--mx, 50%) var(--my, 50%), rgba(196, 232, 90, 0.07) 0%, transparent 60%),
    var(--bg);
}
.channel:hover::before { transform: scaleY(1); }
.ch-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
}
.ch-idx {
  font-size: 0.7rem;
  color: var(--fg-mute);
  letter-spacing: 0;
}
.ch-glyph {
  color: var(--fg-mute);
  transition: color 240ms ease, transform 480ms cubic-bezier(0.2, 0.7, 0.2, 1);
  display: inline-flex;
}
.channel:hover .ch-glyph { color: var(--accent); transform: rotate(-8deg); }
.ch-glyph svg { display: block; width: 22px; height: 22px; }
.channel[data-channel="meta"] .ch-glyph svg { width: 30px; height: 16px; }
.ch-name {
  font-size: clamp(1.55rem, 3.2vw, 2rem);
  font-weight: 500;
  letter-spacing: -0.028em;
  line-height: 1.1;
  margin-bottom: 14px;
  color: var(--fg);
}
.ch-tags {
  margin-top: auto;
  font-size: 0.72rem;
  color: var(--fg-mute);
  line-height: 1.75;
  transition: color 240ms ease;
}
.channel:hover .ch-tags { color: var(--fg-dim); }
.mkt-modes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
@media (max-width: 720px) {
  .mkt-modes { grid-template-columns: 1fr; }
}
.mode {
  padding: 26px 0;
  display: flex;
  gap: 18px;
}
.mode + .mode {
  border-left: 1px solid var(--line);
  padding-left: 28px;
}
@media (max-width: 720px) {
  .mode + .mode { border-left: none; border-top: 1px solid var(--line); padding-left: 0; padding-top: 22px; }
}
.mode-key {
  font-size: 0.72rem;
  color: var(--fg-mute);
  letter-spacing: 0;
  flex-shrink: 0;
  padding-top: 4px;
}
.mode-name {
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--fg);
  letter-spacing: -0.005em;
}
.mode-desc {
  color: var(--fg-dim);
  font-size: 0.87rem;
  line-height: 1.62;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.7s cubic-bezier(0.2, 0.7, 0.2, 1), transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.reveal.is-visible { opacity: 1; transform: none; }
.channels .reveal:nth-child(1) { transition-delay: 60ms; }
.channels .reveal:nth-child(2) { transition-delay: 160ms; }
.channels .reveal:nth-child(3) { transition-delay: 260ms; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  body::after { display: none; }
}


/* i18n text crossfade */
[data-i18n] { transition: opacity 0.18s ease; }
body.is-lang-swapping [data-i18n] { opacity: 0; }

/* Mobile layout tuning */
@media (max-width: 720px) {
  section { padding: 60px 0; }
  .hero { padding: 84px 0 56px; }
  .nav { padding: 12px 22px; }
  .wrap { padding: 0 22px; }
  .section-head { margin-bottom: 28px; }
  .portfolio { padding: 72px 0; }
  .cta { padding: 80px 0; }
  .cta-buttons { width: 100%; gap: 8px; }
  .cta-buttons .btn { flex: 1; justify-content: center; min-height: 44px; padding: 12px 14px; }
  .about-body { font-size: 0.9rem; line-height: 1.65; }
  .pricing-block { margin-bottom: 36px; }
}
@media (max-width: 480px) {
  .nav { padding: 11px 18px; }
  .wrap { padding: 0 18px; }
  .hero { padding: 72px 0 48px; }
  .hero h1 { font-size: clamp(1.35rem, 6.4vw, 1.7rem); }
  .hero p { font-size: 0.92rem; }
  .hero .eyebrow { margin-bottom: 28px; font-size: 0.68rem; }
  .card { width: 240px; }
  .about-character { width: 160px; }
  .site-footer .wrap { flex-direction: column; align-items: flex-start; gap: 6px; }
}