/* =====================================================================
   Guilherme Rodrigues — Portfólio
   Dark editorial · Design Engineer
   ===================================================================== */

/* ---------- Design tokens ---------- */
:root {
  /* color — "data" green on cool near-black */
  --bg:        #070809;
  --bg-2:      #0a0c0c;
  --surface:   rgba(232, 237, 234, 0.03);
  --surface-2: rgba(232, 237, 234, 0.055);
  --text:      #e8ece9;
  --text-dim:  rgba(232, 237, 234, 0.60);
  --text-mute: rgba(232, 237, 234, 0.40);
  --line:      rgba(232, 237, 234, 0.12);
  --line-soft: rgba(232, 237, 234, 0.07);

  --accent:      #00ffb5;
  --accent-2:    #02c39a;
  --accent-soft: #7dffd6;
  --accent-ink:  #041310;
  --accent-glow: rgba(0, 255, 181, 0.15);

  /* type */
  --f-display: "Fraunces", Georgia, "Times New Roman", serif;
  --f-sans:    "Inter", system-ui, -apple-system, sans-serif;
  --f-mono:    "JetBrains Mono", ui-monospace, "SFMono-Regular", monospace;

  --fs-hero:  clamp(2.5rem, 1.1rem + 5.9vw, 6rem);
  --fs-h2:    clamp(1.9rem, 1.2rem + 3.1vw, 3.55rem);
  --fs-h3:    clamp(1.3rem, 1.1rem + 0.9vw, 1.75rem);
  --fs-lead:  clamp(1.06rem, 1rem + 0.45vw, 1.4rem);
  --fs-body:  1.0625rem;
  --fs-mono:  0.735rem;

  /* layout */
  --shell:  1240px;
  --pad-x:  clamp(1.25rem, 5vw, 4rem);
  --sec-y:  clamp(5rem, 9vw, 9.5rem);
  --radius: 18px;

  /* motion */
  --ease:      cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --dur:       0.7s;
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
html.js { scroll-behavior: auto; } /* Lenis handles it */

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--f-sans);
  font-size: var(--fs-body);
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  position: relative;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
em { font-style: italic; }
::selection { background: var(--accent); color: var(--accent-ink); }

body { cursor: auto; }

.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.skip-link {
  position: fixed; top: -100px; left: 1rem; z-index: 200;
  background: var(--accent); color: var(--accent-ink);
  padding: 0.6rem 1rem; border-radius: 8px; font: 500 0.85rem/1 var(--f-sans);
}
.skip-link:focus { top: 1rem; }

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

/* ---------- Ambient FX ---------- */
.fx-grain {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  opacity: 0.05; mix-blend-mode: soft-light;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.fx-glow {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(60vw 55vh at 82% -8%, var(--accent-glow), transparent 60%),
    radial-gradient(55vw 50vh at 8% 12%, rgba(2, 195, 154, 0.10), transparent 62%),
    radial-gradient(45vw 45vh at 50% 108%, rgba(0, 255, 181, 0.06), transparent 60%);
}

/* data dot-grid + cursor spotlight (the "dados" mouse effect) */
.fx-grid, .fx-grid-glow {
  position: fixed; inset: -2px; z-index: 0; pointer-events: none;
  background-image: radial-gradient(circle, currentColor 1px, transparent 1.6px);
  background-size: 30px 30px;
}
.fx-grid { color: var(--text); opacity: 0.05; }
.fx-grid-glow {
  color: var(--accent); opacity: 0.9;
  -webkit-mask-image: radial-gradient(200px circle at var(--mx, -500px) var(--my, -500px), #000 0%, rgba(0,0,0,0.35) 42%, transparent 70%);
          mask-image: radial-gradient(200px circle at var(--mx, -500px) var(--my, -500px), #000 0%, rgba(0,0,0,0.35) 42%, transparent 70%);
}

/* ---------- Custom cursor ---------- */
.cursor { position: fixed; top: 0; left: 0; z-index: 300; pointer-events: none; opacity: 0; }
.cursor__dot,
.cursor__ring {
  position: absolute; top: 0; left: 0; border-radius: 50%;
  transform: translate(-50%, -50%);
}
.cursor__dot  { width: 6px; height: 6px; background: var(--accent); }
.cursor__ring {
  width: 38px; height: 38px; border: 1px solid rgba(232, 237, 234, 0.45);
  transition: width 0.3s var(--ease), height 0.3s var(--ease),
              background 0.3s var(--ease), border-color 0.3s var(--ease);
}
.cursor__label {
  position: absolute; top: 0; left: 0; transform: translate(-50%, -50%) scale(0.6);
  font: 500 0.62rem/1 var(--f-mono); letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent-ink); opacity: 0; transition: opacity 0.25s, transform 0.25s;
}
body.cursor-hover .cursor__ring {
  width: 68px; height: 68px; background: var(--accent); border-color: var(--accent);
}
body.cursor-hover .cursor__dot { opacity: 0; }
body.cursor-hover .cursor__label { opacity: 1; transform: translate(-50%, -50%) scale(1); }
@media (hover: none), (pointer: coarse) { .cursor { display: none; } }

/* ---------- Typography helpers ---------- */
.hero__eyebrow,
.work__tags,
.ai__step,
.tools__label,
.tl__year,
.portrait__cap,
.marquee {
  font-family: var(--f-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* ---------- Buttons ---------- */
.btn {
  --bpad: 0.9rem 1.5rem;
  position: relative;
  display: inline-flex; align-items: center; gap: 0.6rem;
  padding: var(--bpad);
  border-radius: 100px;
  font: 500 0.92rem/1 var(--f-sans);
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  transition: transform 0.4s var(--ease), background 0.4s var(--ease),
              color 0.4s var(--ease), border-color 0.4s var(--ease);
  will-change: transform;
}
.btn__icon { transition: transform 0.4s var(--ease); font-size: 1.05em; }
.btn--primary { background: var(--accent); color: var(--accent-ink); }
.btn--primary:hover { background: var(--accent-soft); }
.btn--primary:hover .btn__icon { transform: translate(2px, 2px); }
.btn--ghost { border-color: var(--line); color: var(--text); background: var(--surface); }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); background: transparent; }
.btn--ghost:hover .btn__icon { transform: translate(2px, -2px); }
.btn--sm { --bpad: 0.62rem 1.1rem; font-size: 0.82rem; }
.btn--lg { --bpad: 1.15rem 2rem; font-size: 1.02rem; }

/* availability dot */
.dot {
  display: inline-block; width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent); position: relative; margin-right: 0.55rem; vertical-align: middle;
  box-shadow: 0 0 0 0 var(--accent-glow);
  animation: pulse 2.4s var(--ease) infinite;
}
.dot--inline { margin: 0 0.5rem; }
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(0, 255, 181, 0.5); }
  70%  { box-shadow: 0 0 0 9px rgba(0, 255, 181, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 255, 181, 0); }
}

/* ---------- Section scaffolding ---------- */
.section { position: relative; z-index: 2; padding-block: var(--sec-y); }
.section__head { max-width: 60ch; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section__head--inline { margin-bottom: 2rem; }
.section__title {
  font-family: var(--f-display);
  font-optical-sizing: auto;
  font-weight: 480;
  font-size: var(--fs-h2);
  line-height: 1.03;
  letter-spacing: -0.02em;
}
.section__note {
  margin-top: 1.1rem; color: var(--text-dim);
  font-size: var(--fs-lead); line-height: 1.5; max-width: 46ch;
}
.amp { color: var(--accent); font-style: italic; }

/* =====================================================================
   NAV
   ===================================================================== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease),
              backdrop-filter 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav__inner {
  max-width: var(--shell); margin-inline: auto; padding: 1.15rem var(--pad-x);
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
  transition: padding 0.4s var(--ease);
}
.nav[data-scrolled="true"] {
  background: rgba(7, 8, 9, 0.72);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-color: var(--line-soft);
}
.nav[data-scrolled="true"] .nav__inner { padding-block: 0.8rem; }

.nav__brand { display: inline-flex; align-items: center; gap: 0.7rem; }
.nav__logo {
  width: 20px; height: auto; flex: none;
  opacity: 0.92;
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}
.nav__brand:hover .nav__logo { opacity: 1; transform: scale(1.06); }
.nav__brand-text {
  display: flex; flex-direction: column; line-height: 1.05;
  font: 600 0.98rem/1 var(--f-sans); letter-spacing: -0.01em;
}
.nav__brand-role {
  font: 400 0.66rem/1 var(--f-mono); letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-mute); margin-top: 0.28rem;
}

.nav__links { display: flex; gap: 0.4rem; }
.nav__link {
  position: relative; padding: 0.5rem 0.85rem; border-radius: 100px;
  font-size: 0.9rem; color: var(--text-dim);
  transition: color 0.3s var(--ease);
}
.nav__link span { position: relative; }
.nav__link::before {
  content: ""; position: absolute; inset: 0; border-radius: 100px;
  background: var(--surface-2); opacity: 0; transform: scale(0.9);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}
.nav__link:hover { color: var(--text); }
.nav__link:hover::before { opacity: 1; transform: scale(1); }
.nav__link.is-active { color: var(--text); }
.nav__link.is-active::after {
  content: ""; position: absolute; left: 50%; bottom: 0.15rem; width: 4px; height: 4px;
  border-radius: 50%; background: var(--accent); transform: translateX(-50%);
}

.nav__actions { display: flex; align-items: center; gap: 0.8rem; }

.nav__toggle { display: none; width: 40px; height: 40px; position: relative; border-radius: 10px; }
.nav__toggle span {
  position: absolute; left: 10px; right: 10px; height: 1.5px; background: var(--text);
  transition: transform 0.35s var(--ease), opacity 0.35s var(--ease);
}
.nav__toggle span:nth-child(1) { top: 16px; }
.nav__toggle span:nth-child(2) { bottom: 16px; }
body.menu-open .nav__toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
body.menu-open .nav__toggle span:nth-child(2) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Mobile menu ---------- */
.menu {
  position: fixed; inset: 0; z-index: 90;
  background: var(--bg-2);
  padding: clamp(6rem, 16vw, 9rem) var(--pad-x) 3rem;
  display: flex; flex-direction: column; justify-content: space-between;
  clip-path: inset(0 0 100% 0);
  transition: clip-path 0.7s var(--ease);
  pointer-events: none;
}
body.menu-open .menu { clip-path: inset(0 0 0 0); pointer-events: auto; }
.menu__inner { display: flex; flex-direction: column; gap: 0.2rem; }
.menu__link {
  display: flex; align-items: baseline; gap: 1rem;
  font-family: var(--f-display); font-weight: 460;
  font-size: clamp(2rem, 11vw, 3.4rem); line-height: 1.1;
  letter-spacing: -0.02em; padding-block: 0.35rem;
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease), color 0.3s;
}
body.menu-open .menu__link { opacity: 1; transform: none; }
.menu__link:hover { color: var(--accent); }
.menu__idx { font: 400 0.8rem/1 var(--f-mono); color: var(--accent); }
.menu__foot {
  display: flex; flex-wrap: wrap; gap: 0.4rem 1.5rem;
  font: 400 0.85rem/1.4 var(--f-mono); color: var(--text-dim);
  border-top: 1px solid var(--line-soft); padding-top: 1.5rem;
}
.menu__foot a:hover { color: var(--accent); }
body.menu-open .menu__link:nth-child(1) { transition-delay: 0.10s; }
body.menu-open .menu__link:nth-child(2) { transition-delay: 0.15s; }
body.menu-open .menu__link:nth-child(3) { transition-delay: 0.20s; }
body.menu-open .menu__link:nth-child(4) { transition-delay: 0.25s; }
body.menu-open .menu__link:nth-child(5) { transition-delay: 0.30s; }
body.menu-open .menu__link:nth-child(6) { transition-delay: 0.35s; }

/* =====================================================================
   HERO
   ===================================================================== */
.hero {
  position: relative; z-index: 2;
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  padding-top: clamp(7rem, 14vh, 10rem);
  padding-bottom: 0;
}
.hero__grid { flex: 1; display: flex; flex-direction: column; justify-content: center; }

.hero__eyebrow {
  display: inline-flex; align-items: center; color: var(--text-dim);
  margin-bottom: clamp(1.5rem, 4vw, 2.4rem);
}
.hero__eyebrow .dot { animation: pulse 2.4s var(--ease) infinite; }

.hero__title {
  font-family: var(--f-display);
  font-optical-sizing: auto;
  font-weight: 440;
  font-size: var(--fs-hero);
  line-height: 1.0;
  letter-spacing: -0.035em;
  max-width: 16ch;
}
.hero__title .line { display: block; }
.hero__title em { color: var(--accent); font-style: italic; font-weight: 420; }

.hero__meta {
  margin-top: clamp(2rem, 5vw, 3.2rem);
  display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(1.5rem, 4vw, 3rem);
  align-items: end;
}
.hero__lead { color: var(--text-dim); font-size: var(--fs-lead); line-height: 1.55; max-width: 44ch; }
.hero__lead strong { color: var(--text); font-weight: 500; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.8rem; }

/* marquee */
.marquee {
  margin-top: clamp(3rem, 7vw, 5rem);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  padding-block: 1.1rem; overflow: hidden; white-space: nowrap;
  color: var(--text-mute);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}
.marquee__track { display: inline-flex; align-items: center; gap: 1.6rem; animation: marquee 34s linear infinite; }
.marquee__track span { display: inline-block; }
.marquee__sep { color: var(--accent); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* =====================================================================
   TRABALHOS
   ===================================================================== */
.works__list { display: flex; flex-direction: column; gap: clamp(3.5rem, 8vw, 7rem); }
.work {
  display: flex; align-items: center; gap: clamp(1.8rem, 4vw, 4rem);
}
.work--reverse { flex-direction: row-reverse; }
.work__text { flex: 1 1 44%; min-width: 0; }
.work__media { flex: 1 1 56%; }

/* media frame */
.work__media {
  position: relative; display: block; border-radius: var(--radius); overflow: hidden;
  background: var(--surface); border: 1px solid var(--line-soft);
  aspect-ratio: 7 / 5;
}
.work__media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.9s var(--ease), filter 0.9s var(--ease);
}
.work__media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(0,255,181,0.06), transparent 55%);
  opacity: 0; transition: opacity 0.6s var(--ease);
}
.work:hover .work__media img { transform: scale(1.04); }
.work:hover .work__media::after { opacity: 1; }

/* text column */
.work__eyebrow {
  display: inline-block; color: var(--accent);
  font-family: var(--f-mono); font-size: var(--fs-mono);
  letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 1.2rem;
}
.work__title {
  font-family: var(--f-display); font-weight: 450; font-optical-sizing: auto;
  font-size: clamp(1.6rem, 1.1rem + 1.8vw, 2.5rem); line-height: 1.08; letter-spacing: -0.02em;
  margin-bottom: 1rem;
}
.work__desc { color: var(--text-dim); max-width: 46ch; margin-bottom: 1.6rem; }

.work__meta { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.8rem; }
.work__meta li {
  display: inline-flex; align-items: center; gap: 0.45rem;
  border: 1px solid var(--line); border-radius: 100px; padding: 0.42rem 0.85rem;
  font-size: 0.82rem; color: var(--text-dim);
}
.work__meta .wk-k {
  font: 500 0.66rem/1 var(--f-mono); letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent);
}
.work__cta {
  position: relative;
  display: inline-flex; align-items: center; gap: 0.6rem;
  font: 500 0.82rem/1 var(--f-mono); letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text); padding-bottom: 0.4rem; border-bottom: 1px solid var(--line);
  transition: color 0.4s var(--ease), border-color 0.4s var(--ease), gap 0.4s var(--ease);
}
/* invisible expanded hit area — meets the 24px minimum target size without shifting layout */
.work__cta::after { content: ""; position: absolute; left: 0; right: 0; top: -0.7rem; bottom: -0.7rem; }
.work__cta em { color: var(--accent); font-style: normal; transition: transform 0.4s var(--ease); }
.work:hover .work__cta { color: var(--accent); border-color: var(--accent); gap: 0.9rem; }
.work:hover .work__cta em { transform: translate(3px, -3px); }

.works__foot { margin-top: clamp(3rem, 6vw, 4.5rem); color: var(--text-mute); font-size: 0.95rem; }
.works__foot a { color: var(--accent); border-bottom: 1px solid var(--line); padding-bottom: 2px; }
.works__foot a:hover { border-color: var(--accent); }

/* =====================================================================
   SOBRE
   ===================================================================== */
.about__grid {
  display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(2.5rem, 6vw, 5.5rem);
  align-items: start;
}
.about__media { position: sticky; top: 6rem; }
.portrait {
  position: relative; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); background: var(--surface);
}
.portrait img {
  width: 100%; aspect-ratio: 3 / 3.4; object-fit: cover; object-position: center 22%;
  filter: grayscale(1) contrast(1.03) brightness(0.92);
  transition: filter 0.9s var(--ease), transform 0.9s var(--ease);
}
.portrait::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(155deg, transparent 40%, var(--accent-glow)),
              linear-gradient(0deg, rgba(7,8,9,0.6), transparent 45%);
  mix-blend-mode: soft-light;
}
.portrait:hover img { filter: grayscale(0.15) contrast(1.02) brightness(1); transform: scale(1.02); }
.portrait__cap {
  position: absolute; left: 1rem; bottom: 1rem; z-index: 2;
  display: inline-flex; align-items: center; gap: 0.55rem;
  color: var(--text); font-size: 0.66rem;
  background: rgba(7,8,9,0.55); backdrop-filter: blur(8px);
  border: 1px solid var(--line-soft); border-radius: 100px; padding: 0.45rem 0.8rem;
}
.portrait__cap span { color: var(--accent); font-weight: 600; }

.about__lead {
  font-family: var(--f-display); font-optical-sizing: auto; font-weight: 420;
  font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.35rem); line-height: 1.22;
  letter-spacing: -0.015em; margin-bottom: 1.8rem;
}
.about__lead strong { color: var(--accent); font-weight: 460; }
.about__text p { color: var(--text-dim); margin-bottom: 1.1rem; max-width: 56ch; }
.about__text strong { color: var(--text); font-weight: 500; }
.about__text em { color: var(--accent); font-style: italic; }

.about__stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem;
  margin-block: clamp(2rem, 4vw, 2.8rem); padding-top: 2rem;
  border-top: 1px solid var(--line-soft);
}
.stat__num {
  display: block; font-family: var(--f-display); font-weight: 500; font-optical-sizing: auto;
  font-size: clamp(1.8rem, 1.2rem + 2vw, 2.8rem); line-height: 1; color: var(--accent);
  letter-spacing: -0.02em;
}
.stat__label { display: block; margin-top: 0.6rem; font-size: 0.82rem; color: var(--text-mute); line-height: 1.4; }

/* =====================================================================
   CAPACIDADES
   ===================================================================== */
.caps__list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line-soft); border: 1px solid var(--line-soft); border-radius: var(--radius); overflow: hidden; }
.cap { background: var(--bg); padding: clamp(1.6rem, 3vw, 2.4rem); transition: background 0.5s var(--ease); }
.cap:hover { background: var(--surface); }
.cap__head { display: flex; align-items: center; gap: 0.9rem; margin-bottom: 1.4rem; }
.cap__idx {
  width: 34px; height: 34px; flex: none; display: grid; place-items: center;
  border: 1px solid var(--line); border-radius: 50%;
  font: 500 0.78rem/1 var(--f-mono); color: var(--accent);
}
.cap__title { font-family: var(--f-display); font-weight: 470; font-size: var(--fs-h3); letter-spacing: -0.01em; }
.cap__items li {
  position: relative; padding-left: 1.3rem; color: var(--text-dim);
  font-size: 0.98rem; line-height: 1.5; margin-bottom: 0.6rem;
}
.cap__items li::before {
  content: ""; position: absolute; left: 0; top: 0.62em; width: 6px; height: 6px;
  border-radius: 50%; background: var(--accent); opacity: 0.6;
}

/* =====================================================================
   DESIGN + IA
   ===================================================================== */
.ai { background:
    radial-gradient(70% 60% at 100% 0%, rgba(0,255,181,0.06), transparent 60%),
    var(--bg-2);
  border-block: 1px solid var(--line-soft);
}
.ai__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin-bottom: 3rem; }
.ai__card {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(1.6rem, 3vw, 2.2rem); background: var(--surface);
  transition: transform 0.5s var(--ease), border-color 0.5s var(--ease), background 0.5s var(--ease);
}
.ai__card:hover { transform: translateY(-6px); border-color: var(--line); background: var(--surface-2); }
.ai__step { display: inline-block; color: var(--accent); margin-bottom: 1.6rem; }
.ai__card-title { font-family: var(--f-display); font-weight: 470; font-size: 1.35rem; margin-bottom: 0.8rem; letter-spacing: -0.01em; }
.ai__card p { color: var(--text-dim); font-size: 0.98rem; line-height: 1.55; }

.ai__tools { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 2rem; padding-top: 2rem; border-top: 1px solid var(--line-soft); }
.ai__tools-label { color: var(--text-mute); }
.ai__tools-list { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.ai__tools-list li {
  font: 500 0.9rem/1 var(--f-sans); color: var(--text);
  border: 1px solid var(--line); border-radius: 100px; padding: 0.6rem 1.1rem;
  transition: border-color 0.4s var(--ease), color 0.4s var(--ease);
}
.ai__tools-list li:hover { border-color: var(--accent); color: var(--accent); }

/* =====================================================================
   FORMAÇÃO & FERRAMENTAS
   ===================================================================== */
.edu__grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(2.5rem, 6vw, 5rem); }
.edu__col + .edu__col { border-left: 1px solid var(--line-soft); padding-left: clamp(0rem, 4vw, 3.5rem); }

.timeline { display: flex; flex-direction: column; }
.tl {
  display: grid; grid-template-columns: 5rem 1fr; gap: 1.4rem; align-items: baseline;
  padding-block: 1.4rem; border-top: 1px solid var(--line-soft);
}
.tl:first-child { border-top: none; }
.tl__year { color: var(--accent); padding-top: 0.2rem; }
.tl__body h3 { font-weight: 500; font-size: 1.06rem; line-height: 1.35; letter-spacing: -0.005em; }
.tl__org { display: block; margin-top: 0.35rem; color: var(--text-mute); font-size: 0.88rem; }
.tl--accent .tl__body h3 { font-family: var(--f-display); font-weight: 470; font-size: 1.2rem; }

.tools { display: grid; gap: 1.6rem; }
.tools__group { display: grid; gap: 0.7rem; }
.tools__label { color: var(--text-mute); }
.tools__group ul { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tools__group li {
  position: relative; overflow: hidden;
  font-size: 0.9rem; color: var(--text-dim);
  border: 1px solid var(--line-soft); background: var(--surface);
  border-radius: 10px; padding: 0.5rem 0.85rem;
  transition: border-color 0.4s var(--ease), color 0.4s var(--ease);
}
.tools__group li::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(115deg, transparent 40%, rgba(0, 255, 181, 0.16) 50%, transparent 60%);
  transform: translateX(-130%);
  transition: transform 0.85s var(--ease);
  pointer-events: none;
}
.tools__group li:hover { border-color: var(--line); color: var(--text); }
.tools__group li:hover::after { transform: translateX(130%); }

/* =====================================================================
   CONTATO
   ===================================================================== */
.contact { text-align: left; }
.contact__title {
  font-family: var(--f-display); font-optical-sizing: auto; font-weight: 440;
  font-size: clamp(2.6rem, 1rem + 7vw, 6.5rem); line-height: 0.98; letter-spacing: -0.035em;
  margin-bottom: 1.8rem;
}
.contact__title em { color: var(--accent); font-style: italic; font-weight: 420; }
.contact__lead { color: var(--text-dim); font-size: var(--fs-lead); max-width: 40ch; margin-bottom: 2.5rem; }
.contact__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 0.8rem; margin-bottom: 2.5rem; }
.contact__links { display: flex; flex-wrap: wrap; gap: 0.6rem 2rem; }
.contact__links a {
  display: inline-flex; align-items: center; gap: 0.5rem; color: var(--text-dim);
  font-size: 0.95rem; padding-bottom: 0.3rem; border-bottom: 1px solid transparent;
  transition: color 0.35s var(--ease), border-color 0.35s var(--ease);
}
.contact__links em { color: var(--accent); }
.contact__links a:hover { color: var(--text); border-color: var(--line); }

/* =====================================================================
   FOOTER
   ===================================================================== */
.footer { position: relative; z-index: 2; border-top: 1px solid var(--line-soft); padding-block: 2.5rem; }
.footer__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.5rem; }
.footer__brand { display: flex; align-items: center; gap: 0.9rem; }
.footer__logo {
  width: 28px; height: auto; flex: none; opacity: 0.92;
}
.footer__brand strong { display: block; font-weight: 600; font-size: 0.95rem; }
.footer__brand span { display: block; font: 400 0.72rem/1.4 var(--f-mono); color: var(--text-mute); letter-spacing: 0.04em; margin-top: 0.2rem; }
.footer__meta { display: flex; flex-direction: column; gap: 0.3rem; font-size: 0.82rem; color: var(--text-mute); text-align: right; }
.footer__top {
  font: 500 0.82rem/1 var(--f-mono); letter-spacing: 0.08em; text-transform: uppercase;
  border: 1px solid var(--line); border-radius: 100px; padding: 0.7rem 1.1rem;
  transition: border-color 0.4s var(--ease), color 0.4s var(--ease);
}
.footer__top:hover { border-color: var(--accent); color: var(--accent); }

/* =====================================================================
   REVEAL ANIMATIONS (JS-driven, IntersectionObserver)
   ===================================================================== */
.js [data-reveal] { will-change: opacity, transform; }

.js [data-reveal] {
  opacity: 0; transform: translateY(26px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}
.js [data-reveal].is-visible { opacity: 1; transform: none; }

/* hero line reveal (opacity + rise, staggered) */
.js .hero__title .line {
  opacity: 0; transform: translateY(0.5em);
  transition: opacity 0.85s var(--ease-out), transform 0.95s var(--ease-out);
}
.js .hero__title.is-visible .line { opacity: 1; transform: none; }
.js .hero__title .line:nth-child(1) { transition-delay: 0.06s; }
.js .hero__title .line:nth-child(2) { transition-delay: 0.15s; }
.js .hero__title .line:nth-child(3) { transition-delay: 0.24s; }
.js .hero__title .line:nth-child(4) { transition-delay: 0.33s; }

/* stagger children inside a revealed group */
.js [data-stagger].is-visible > * { animation: rise 0.8s var(--ease-out) both; }

@keyframes rise { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: none; } }

/* =====================================================================
   RESPONSIVE
   ===================================================================== */
@media (max-width: 980px) {
  .hero__meta { grid-template-columns: 1fr; align-items: start; gap: 2rem; }
  .about__grid { grid-template-columns: 1fr; }
  .about__media { position: static; max-width: 340px; }
  .edu__grid { grid-template-columns: 1fr; }
  .edu__col + .edu__col { border-left: none; padding-left: 0; border-top: 1px solid var(--line-soft); padding-top: 2.5rem; }
  .ai__grid { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
  .nav__links { display: none; }
  .nav__cta { display: none; }
  .nav__toggle { display: block; }
  .work,
  .work--reverse { flex-direction: column; align-items: stretch; gap: 1.5rem; }
  .work__text { order: 2; }
  .work__media { order: 1; aspect-ratio: 16 / 11; }
  .caps__list { grid-template-columns: 1fr; }
  .about__stats { grid-template-columns: 1fr; gap: 1.2rem; text-align: left; }
  .about__stats li { display: flex; align-items: baseline; gap: 1rem; }
  .stat__num { font-size: 1.9rem; }
  .stat__label { margin-top: 0; }
}

@media (max-width: 520px) {
  :root { --radius: 14px; }
  .hero { min-height: 92svh; }
  .hero__meta { gap: 1.6rem; }
  .btn { width: 100%; justify-content: center; }
  .hero__actions { width: 100%; }
  .nav__brand-role { display: none; }
  .footer__inner { flex-direction: column; align-items: flex-start; }
  .footer__meta { text-align: left; }
}

/* =====================================================================
   REDUCED MOTION
   ===================================================================== */
@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;
  }
  .js [data-reveal],
  .js [data-reveal-line] { opacity: 1 !important; transform: none !important; }
  .marquee__track { animation: none; }
  .cursor { display: none; }
}

/* =====================================================================
   CASE STUDY PAGES (uber-bank.html, emoti-ia.html)
   ===================================================================== */
.case-main { padding-top: clamp(6.5rem, 12vh, 9rem); padding-bottom: 0; }

.case-back {
  position: relative;
  display: inline-flex; align-items: center; gap: 0.55rem;
  font: 500 0.78rem/1 var(--f-mono); letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-dim); margin-bottom: clamp(2rem, 4vw, 3rem);
  transition: gap 0.4s var(--ease), color 0.4s var(--ease);
}
/* invisible expanded hit area — the label is only ~12px tall on its own */
.case-back::after { content: ""; position: absolute; left: 0; right: 0; top: -0.9rem; bottom: -0.9rem; }
.case-back em { color: var(--accent); font-style: normal; transition: transform 0.4s var(--ease); }
.case-back:hover { color: var(--text); gap: 0.85rem; }
.case-back:hover em { transform: translateX(-3px); }

/* ---- intro: two cards ---- */
.case-hero { display: grid; grid-template-columns: 1.55fr 1fr; gap: 1.2rem; }
.case-card {
  background: rgba(232, 237, 234, 0.025);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: clamp(1.8rem, 3.5vw, 3rem);
}
.case-eyebrow {
  display: inline-block; color: var(--accent);
  font-family: var(--f-mono); font-size: var(--fs-mono);
  letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: clamp(1.5rem, 3vw, 2.2rem);
}
.case-title {
  font-family: var(--f-display); font-optical-sizing: auto; font-weight: 450;
  font-size: clamp(2.6rem, 1.6rem + 4vw, 4.6rem); line-height: 1; letter-spacing: -0.03em;
  margin-bottom: clamp(1.4rem, 3vw, 2rem);
}
.case-lead p { color: var(--text-dim); font-size: var(--fs-lead); line-height: 1.55; max-width: 52ch; }
.case-lead p + p { margin-top: 1.1rem; }
.case-callout {
  margin-top: clamp(1.8rem, 3vw, 2.4rem); padding: 1.15rem 1.35rem;
  background: var(--surface-2); border: 1px solid var(--line-soft);
  border-left: 2px solid var(--accent); border-radius: 12px;
  color: var(--text-dim); font-size: 0.95rem; line-height: 1.55;
}

/* ---- meta panel ---- */
.case-meta { display: flex; flex-direction: column; }
.case-meta__row { padding-block: 1.3rem; border-top: 1px solid var(--line-soft); }
.case-meta__row:first-child { padding-top: 0; border-top: none; }
.case-meta__row:last-child { padding-bottom: 0; }
.case-meta__label {
  display: block; font: 500 var(--fs-mono) var(--f-mono);
  letter-spacing: 0.13em; text-transform: uppercase; color: var(--text-mute);
  margin-bottom: 0.6rem;
}
.case-meta__value { color: var(--text); font-weight: 500; font-size: 1.02rem; line-height: 1.4; }

/* ---- gallery ---- */
.case-gallery { margin-top: clamp(4rem, 8vw, 7rem); }
.case-gallery__intro {
  color: var(--text-dim); font-size: var(--fs-lead); line-height: 1.5;
  max-width: 56ch; margin-bottom: clamp(2.5rem, 5vw, 4rem);
  padding-left: 1.1rem; border-left: 2px solid var(--accent);
}
.case-figures { display: flex; flex-direction: column; gap: clamp(1.5rem, 3vw, 2.5rem); }
.case-figure {
  position: relative; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line-soft); background: var(--surface);
}
.case-figure img { width: 100%; display: block; }
.case-figure__num {
  position: absolute; top: 1rem; left: 1rem; z-index: 2;
  font: 500 0.68rem/1 var(--f-mono); letter-spacing: 0.1em;
  color: var(--text-dim); background: rgba(7,8,9,0.55); backdrop-filter: blur(8px);
  border: 1px solid var(--line-soft); border-radius: 100px; padding: 0.4rem 0.7rem;
}

/* ---- next / footer CTA ---- */
.case-next {
  margin-top: clamp(4.5rem, 9vw, 8rem); padding-top: clamp(2.5rem, 4vw, 3.5rem);
  border-top: 1px solid var(--line-soft);
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.5rem 2rem;
}
.case-next__label { display: block; font: 500 var(--fs-mono) var(--f-mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-mute); margin-bottom: 0.7rem; }
.case-next__link {
  font-family: var(--f-display); font-optical-sizing: auto; font-weight: 450;
  font-size: clamp(1.8rem, 1.2rem + 2.4vw, 3rem); line-height: 1; letter-spacing: -0.02em;
  display: inline-flex; align-items: center; gap: 0.8rem;
  transition: gap 0.4s var(--ease), color 0.4s var(--ease);
}
.case-next__link em { color: var(--accent); font-style: normal; transition: transform 0.4s var(--ease); }
.case-next__link:hover { color: var(--accent); gap: 1.2rem; }
.case-next__link:hover em { transform: translateX(5px); }

/* ---- Figma prototype ---- */
.case-proto { margin-top: clamp(4rem, 8vw, 7rem); }
.case-proto__head { margin-bottom: clamp(1.5rem, 3vw, 2.2rem); }
.case-proto__note { color: var(--text-dim); font-size: var(--fs-lead); margin-top: 0.6rem; max-width: 52ch; }
.case-proto__note a { color: var(--accent); border-bottom: 1px solid var(--line); padding-bottom: 1px; }
.case-proto__note a:hover { border-color: var(--accent); }
.case-proto__frame {
  position: relative; width: 100%;
  height: clamp(480px, 72vh, 760px);
  border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); background: var(--surface);
}
.case-proto__frame iframe { width: 100%; height: 100%; border: 0; display: block; }
.case-proto__actions { margin-top: clamp(1.2rem, 2.5vw, 1.6rem); }

/* ---- live product demo, framed as an app window ----
   The demo is a desktop app: it lays out correctly at 1440x900 and needs no scrolling
   there. Instead of squeezing it into a short iframe (which produced scrollbars), the
   iframe is rendered at its natural 1440x900 and scaled down to the container width,
   so the whole product is visible at once and still fully interactive. */
.wc-demo {
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  background: var(--surface); box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}
.wc-demo__bar {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.7rem 1rem; background: var(--surface-2); border-bottom: 1px solid var(--line-soft);
}
.wc-demo__dots { display: flex; gap: 6px; flex: none; }
.wc-demo__dots span { width: 10px; height: 10px; border-radius: 50%; background: var(--line); display: block; }
.wc-demo__tag {
  margin-inline: auto;
  font: 500 0.66rem/1 var(--f-mono); letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-mute); background: var(--bg);
  border: 1px solid var(--line-soft); border-radius: 100px; padding: 0.4rem 0.9rem;
}
.wc-demo__stage {
  position: relative; width: 100%; aspect-ratio: 1440 / 900;
  overflow: hidden; background: #f2f7fc;
}
.wc-demo__stage iframe {
  position: absolute; top: 0; left: 0; width: 1440px; height: 900px; border: 0; display: block;
  transform: scale(var(--demo-scale, 1)); transform-origin: top left;
}

/* =====================================================================
   CASE SECTIONS — narrative blocks (Web Creators and future cases)
   ===================================================================== */
.wc-block { margin-top: clamp(4rem, 8vw, 7rem); }
.wc-block__head { margin-bottom: clamp(1.8rem, 3.5vw, 2.6rem); }
.wc-block__title {
  font-family: var(--f-display); font-optical-sizing: auto; font-weight: 460;
  font-size: clamp(1.8rem, 1.2rem + 2vw, 2.8rem); line-height: 1.06; letter-spacing: -0.02em;
  margin-top: 0.7rem;
}
.wc-block__lead { color: var(--text-dim); font-size: var(--fs-lead); line-height: 1.55; max-width: 60ch; margin-top: 1rem; }

/* ---- impact metrics ---- */
.wc-metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.1rem; }
.wc-metric {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(1.6rem, 3vw, 2.2rem); background: var(--surface);
  transition: border-color 0.5s var(--ease), background 0.5s var(--ease);
}
.wc-metric:hover { border-color: var(--accent); background: var(--surface-2); }
.wc-metric__num {
  display: block; font-family: var(--f-display); font-optical-sizing: auto; font-weight: 500;
  font-size: clamp(2.6rem, 1.8rem + 3vw, 4rem); line-height: 1; letter-spacing: -0.03em; color: var(--accent);
}
.wc-metric__label { display: block; margin-top: 0.9rem; color: var(--text); font-weight: 500; font-size: 1.02rem; line-height: 1.4; }
.wc-metric__note { display: block; margin-top: 0.5rem; color: var(--text-mute); font-size: 0.85rem; line-height: 1.45; }

.wc-note {
  margin-top: clamp(1.6rem, 3vw, 2.2rem); padding: 1.15rem 1.35rem;
  background: var(--surface-2); border: 1px solid var(--line-soft);
  border-left: 2px solid var(--accent); border-radius: 12px;
  color: var(--text-dim); font-size: 0.95rem; line-height: 1.55; max-width: 70ch;
}
.wc-note strong { color: var(--text); font-weight: 500; }

/* ---- two-column split (text + aside) ---- */
.wc-split { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(1.5rem, 4vw, 3rem); align-items: start; }

/* ---- bullet list ---- */
.wc-list { display: grid; gap: 0.85rem; }
.wc-list li { position: relative; padding-left: 1.5rem; color: var(--text-dim); line-height: 1.55; }
.wc-list li::before {
  content: ""; position: absolute; left: 0; top: 0.6em; width: 6px; height: 6px;
  border-radius: 50%; background: var(--accent); opacity: 0.7;
}
.wc-list strong { color: var(--text); font-weight: 500; }
/* tighter variant for lists that sit right under a paragraph (e.g. demo tab rundown) */
.wc-list--inline { margin-top: 1.1rem; gap: 0.55rem; max-width: 60ch; }
.wc-list--inline li { font-size: 0.95rem; }

/* ---- "before" flow chain ---- */
.wc-flow {
  border: 1px solid var(--line-soft); border-radius: var(--radius);
  background: var(--surface); padding: clamp(1.5rem, 3vw, 2rem);
}
.wc-flow__label {
  display: block; font: 500 var(--fs-mono) var(--f-mono); letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--text-mute); margin-bottom: 1.3rem;
}
.wc-flow__steps { display: grid; gap: 0; }
.wc-flow__steps li { position: relative; padding: 0 0 1.35rem 1.75rem; color: var(--text-dim); font-size: 0.96rem; line-height: 1.4; }
.wc-flow__steps li:last-child { padding-bottom: 0; }
.wc-flow__steps li::before {
  content: ""; position: absolute; left: 0; top: 0.35em; width: 9px; height: 9px;
  border-radius: 50%; background: var(--text-mute);
}
.wc-flow__steps li:last-child::before { background: var(--accent); }
.wc-flow__steps li::after {
  content: ""; position: absolute; left: 4px; top: calc(0.35em + 11px); bottom: 4px; width: 1px; background: var(--line);
}
.wc-flow__steps li:last-child::after { display: none; }

/* ---- research quotes ---- */
.wc-quotes { display: grid; gap: 1.1rem; }
.wc-quote {
  border: 1px solid var(--line-soft); border-radius: var(--radius);
  background: var(--surface); padding: clamp(1.5rem, 3vw, 2rem); margin: 0;
}
.wc-quote p {
  font-family: var(--f-display); font-optical-sizing: auto; font-weight: 420; font-style: italic;
  font-size: clamp(1.15rem, 1rem + 0.7vw, 1.5rem); line-height: 1.35; color: var(--text); letter-spacing: -0.01em;
}
.wc-quote footer {
  margin-top: 1rem; font: 500 var(--fs-mono) var(--f-mono);
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent);
}

/* ---- insight cards ---- */
.wc-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.1rem; }
.wc-card {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(1.5rem, 3vw, 2rem); background: var(--surface);
  transition: transform 0.5s var(--ease), border-color 0.5s var(--ease), background 0.5s var(--ease);
}
.wc-card:hover { transform: translateY(-5px); border-color: var(--accent); background: var(--surface-2); }
.wc-card__k {
  display: block; font: 500 var(--fs-mono) var(--f-mono);
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin-bottom: 1rem;
}
.wc-card__title { font-family: var(--f-display); font-weight: 470; font-size: 1.3rem; letter-spacing: -0.01em; margin-bottom: 0.6rem; }
.wc-card p { color: var(--text-dim); font-size: 0.96rem; line-height: 1.5; }

@media (max-width: 900px) {
  .wc-split { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .case-hero { grid-template-columns: 1fr; }
}
/* Mobile: drop the heavy embeds (unusable at phone size, lazy so they never load).
   The "abrir em tela cheia" button keeps both the Figma prototype and the live demo
   reachable — and the live demo is responsive, so it works well on its own tab. */
@media (max-width: 820px) {
  .case-proto__frame,
  .wc-demo { display: none; }
}
@media (max-width: 520px) {
  .case-next { flex-direction: column; align-items: flex-start; }
}

/* =====================================================================
   FOOTER — "Design System" CTA (site-wide)
   ===================================================================== */
.footer__ds {
  display: flex; justify-content: center;
  padding-bottom: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: clamp(1.6rem, 3vw, 2.2rem);
  border-bottom: 1px solid var(--line-soft);
}

/* =====================================================================
   DESIGN SYSTEM PAGE (design-system.html)
   ===================================================================== */
.ds-main { padding-top: clamp(6.5rem, 12vh, 9rem); padding-bottom: 0; }

.ds-hero { max-width: 76ch; margin-bottom: clamp(3rem, 6vw, 5rem); }
.ds-hero .case-title { margin-bottom: 1.2rem; }
.ds-hero__lead {
  color: var(--text-dim); font-size: var(--fs-lead); line-height: 1.55;
  max-width: 60ch; margin-bottom: clamp(1.8rem, 3.5vw, 2.4rem);
}
.ds-hero__facts { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.ds-hero__facts li {
  font: 500 0.76rem/1 var(--f-mono); letter-spacing: 0.06em;
  color: var(--text-dim); border: 1px solid var(--line); border-radius: 100px; padding: 0.55rem 0.95rem;
}
.ds-hero__facts em { color: var(--accent); font-style: normal; font-weight: 600; }

.ds-block { padding-block: clamp(3.5rem, 7vw, 6rem); border-top: 1px solid var(--line-soft); }
.ds-block:first-of-type { border-top: none; padding-top: 0; }

/* ---- swatches ---- */
.ds-color-panel { padding: clamp(2rem, 3.5vw, 3.25rem); }
.ds-swatch-groups { display: grid; gap: clamp(2rem, 4vw, 2.8rem); }
.ds-swatch-group__head { margin-bottom: 0.9rem; }
.ds-swatch-group__label {
  display: block; color: var(--text-mute);
  font: 500 var(--fs-mono) var(--f-mono); letter-spacing: 0.12em; text-transform: uppercase;
}
.ds-swatch-group__note { color: var(--text-dim); font-size: 0.85rem; line-height: 1.4; margin-top: 0.35rem; max-width: 40ch; }
.ds-swatch-grid { display: flex; flex-wrap: wrap; gap: 1.2rem 1.9rem; }
.ds-swatch { flex: 0 1 210px; display: flex; align-items: center; gap: 0.9rem; min-width: 0; }
.ds-swatch__color { width: 48px; height: 48px; flex: none; border-radius: 10px; border: 1px solid var(--line); }
.ds-swatch__meta { display: flex; flex-direction: column; gap: 0.3rem; min-width: 0; }
.ds-swatch__name { font-size: 0.9rem; font-weight: 500; }
.ds-swatch__var { font: 400 0.72rem/1.3 var(--f-mono); color: var(--text-mute); }

/* ---- typography ---- */
.ds-type-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin-bottom: clamp(2.5rem, 5vw, 3.5rem); }
.ds-type-card { border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.5rem, 3vw, 2rem); background: var(--surface); }
.ds-type-card__label {
  display: block; color: var(--accent); margin-bottom: 1.4rem;
  font: 500 var(--fs-mono) var(--f-mono); letter-spacing: 0.12em; text-transform: uppercase;
}
.ds-type-card__sample { font-size: 2.3rem; line-height: 1.1; margin-bottom: 1rem; letter-spacing: -0.01em; }
.ds-type-card__meta { display: block; color: var(--text-dim); font-size: 0.85rem; line-height: 1.5; }

.ds-scale { display: flex; flex-direction: column; }
.ds-scale__row {
  display: grid; grid-template-columns: 12rem 1fr; gap: 1.5rem; align-items: center;
  padding-block: 1.3rem; border-top: 1px solid var(--line-soft);
}
.ds-scale__row:first-child { border-top: none; }
.ds-scale__label { font: 500 0.78rem/1.4 var(--f-mono); color: var(--text-mute); letter-spacing: 0.02em; }
.ds-scale__label b { display: block; color: var(--text-dim); font-size: 0.68rem; margin-top: 0.35rem; font-weight: 400; }
.ds-scale__sample { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; letter-spacing: -0.01em; }

/* ---- component demos ---- */
.ds-demo-group { margin-bottom: clamp(2.5rem, 5vw, 3.5rem); }
.ds-demo-group:last-child { margin-bottom: 0; }
.ds-demo-group__label {
  display: block; color: var(--text-mute); margin-bottom: 1.2rem;
  font: 500 var(--fs-mono) var(--f-mono); letter-spacing: 0.12em; text-transform: uppercase;
}
.ds-demo-row {
  display: flex; flex-wrap: wrap; gap: 1rem; align-items: center;
  padding: clamp(1.5rem, 3vw, 2rem); border: 1px solid var(--line-soft); border-radius: var(--radius); background: var(--surface);
}
/* neutralize component margins so demo items align on a shared center */
.ds-demo-row .work__meta { margin: 0; }
.ds-demo-row--cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1rem; background: none; border: none; padding: 0; }
.ds-demo-cap { border: 1px solid var(--line-soft); border-radius: var(--radius); background: var(--bg); }
.ds-demo-tl { border: 1px solid var(--line-soft); border-radius: var(--radius); padding: 0.6rem clamp(1.5rem, 3vw, 2rem); background: var(--surface); }
.ds-demo-meta { border: 1px solid var(--line-soft); border-radius: var(--radius); padding: clamp(1.3rem, 2.5vw, 1.7rem) clamp(1.5rem, 3vw, 2rem); background: var(--surface); max-width: 460px; }

/* ---- icon grid ---- */
.ds-icon-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(112px, 1fr)); gap: 1.25rem; margin-bottom: clamp(2rem, 4vw, 3rem); }
.ds-icon { border: 1px solid var(--line-soft); border-radius: 14px; padding: 1.5rem 1rem; text-align: center; background: var(--surface); }
.ds-icon__glyph { display: block; font-size: 1.5rem; color: var(--accent); margin-bottom: 0.55rem; }
.ds-icon__label { display: block; font: 400 0.68rem/1.3 var(--f-mono); color: var(--text-mute); }

/* ---- logo usage ---- */
.ds-logo-block {
  display: flex; flex-wrap: wrap; gap: clamp(2rem, 4vw, 3rem); align-items: center;
  padding: clamp(1.8rem, 3vw, 2.4rem); border: 1px solid var(--line-soft); border-radius: var(--radius); background: var(--surface);
}
.ds-logo-block__mark { display: flex; align-items: center; gap: 1.6rem; }
.ds-logo-block__mark img { opacity: 0.95; }
.ds-logo-rules { display: grid; gap: 0.6rem; color: var(--text-dim); font-size: 0.92rem; max-width: 46ch; flex: 1 1 260px; }
.ds-logo-rules li { position: relative; padding-left: 1.3rem; }
.ds-logo-rules li::before {
  content: ""; position: absolute; left: 0; top: 0.55em; width: 6px; height: 6px;
  border-radius: 50%; background: var(--accent); opacity: 0.7;
}

/* ---- closing CTA ---- */
.ds-cta { text-align: center; padding-block: clamp(3.5rem, 7vw, 6rem); border-top: 1px solid var(--line-soft); }
.ds-cta p { color: var(--text-dim); font-size: var(--fs-lead); margin-bottom: 1.8rem; }

@media (max-width: 900px) {
  .ds-type-cards { grid-template-columns: 1fr; }
  .ds-scale__row { grid-template-columns: 1fr; gap: 0.4rem; }
}
@media (max-width: 620px) {
  .ds-icon-grid { grid-template-columns: repeat(3, 1fr); }
}