:root {
  --charcoal: #111315;
  --graphite: #1b1f22;
  --copper: #c47a45;
  --copper-light: #e0a16b;
  --warm: #f3f1ed;
  --paper: #f7f5f1;
  --mist: #e8e6e1;
  --ink: #111315;
  --ink-soft: #5c5854;
  --line: rgba(17, 19, 21, 0.12);
  --line-dark: rgba(243, 241, 237, 0.12);
  --whatsapp: #128c7e;
  --max: 1120px;
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--charcoal);
  line-height: 1.5;
}

img { max-width: 100%; display: block; }
a { color: inherit; }
button, input, textarea, select { font: inherit; }

.wrap { width: min(var(--max), calc(100% - 40px)); margin-inline: auto; }

.band { padding: 88px 0; }
.band-dark { background: var(--charcoal); color: var(--warm); }
.band-light { background: var(--warm); color: var(--ink); }
.band-mist { background: var(--mist); color: var(--ink); }
.band-dark .section-head p,
.band-dark .ink-soft { color: #b8b4ad; }

.top {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--charcoal) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
}
.top.is-stuck { border-bottom-color: var(--line-dark); }
.top .wrap {
  width: 100%;
  max-width: none;
  padding-inline: clamp(24px, 4.5vw, 72px);
}
.top-bar {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  column-gap: clamp(28px, 4vw, 64px);
  padding: 16px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  justify-self: start;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  color: var(--warm);
  white-space: nowrap;
}
.brand .co,
.foot-brand .co {
  font-size: 0.78em;
  letter-spacing: 0.08em;
  font-weight: 600;
  opacity: 0.78;
}
#iso-src {
  display: none;
}
.mark {
  width: 32px;
  height: 32px;
  display: block;
  color: currentColor;
}
.iso {
  display: inline-flex;
  flex-shrink: 0;
  color: inherit;
}
.iso-sm .mark { width: 22px; height: 22px; }
.mark .p { fill: currentColor; }
.mark .p4 { fill: var(--copper); }
.mark.lit-1 .p,
.mark.lit-2 .p,
.mark.lit-3 .p,
.mark.lit-4 .p,
.mark.lit-5 .p,
.mark.lit-6 .p,
.mark.lit-7 .p { fill: currentColor; opacity: 0.22; }
.mark.lit-1 .p1,
.mark.lit-2 .p2,
.mark.lit-3 .p3,
.mark.lit-4 .p4,
.mark.lit-5 .p5,
.mark.lit-6 .p6,
.mark.lit-7 .p7 { fill: var(--copper); opacity: 1; }

.nav {
  display: flex;
  justify-content: space-evenly;
  align-items: center;
  gap: 8px;
  flex-wrap: nowrap;
  min-width: 0;
}
.nav a {
  text-decoration: none;
  font-size: 0.95rem;
  color: #b8b4ad;
  white-space: nowrap;
  padding: 8px 4px;
}
.nav a:hover { color: var(--warm); }

.lang {
  display: flex;
  border: 1px solid var(--line-dark);
  border-radius: 10px;
  overflow: hidden;
}
.lang button {
  background: transparent;
  border: 0;
  color: #b8b4ad;
  font: inherit;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  padding: 7px 9px;
}
.lang button.active {
  background: var(--warm);
  color: var(--charcoal);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  border: 0;
  cursor: pointer;
  border-radius: 999px;
  padding: 12px 18px;
  font-weight: 600;
}
.btn-dark { background: var(--charcoal); color: var(--warm); }
.btn-light { background: var(--warm); color: var(--charcoal); }
.btn-copper { background: var(--copper); color: #fff; }
.btn-ghost {
  background: transparent;
  color: inherit;
  box-shadow: inset 0 0 0 1px var(--line);
}
.band-dark .btn-ghost {
  color: var(--warm);
  box-shadow: inset 0 0 0 1px rgba(243, 241, 237, 0.28);
}
.top-actions {
  display: flex;
  align-items: center;
  justify-self: end;
  gap: 10px;
}
.menu-btn {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line-dark);
  border-radius: 12px;
  background: transparent;
  padding: 10px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
}
.menu-btn span {
  display: block;
  height: 2px;
  background: var(--warm);
  border-radius: 2px;
}

.hero {
  padding: 56px 0 96px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}
.eyebrow {
  margin: 0 0 14px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--copper-light);
}
h1, h2, h3, .brand, .step-num, .benefits strong {
  font-family: var(--font-display);
  letter-spacing: -0.03em;
}
.hero h1 {
  margin: 0;
  font-size: clamp(2.4rem, 5.4vw, 4.2rem);
  line-height: 1.02;
  font-weight: 600;
}
.hero-kicker {
  margin: 18px 0 0;
  font-size: 1.08rem;
  color: #d4d0c8;
}
.hero-kicker em {
  font-style: normal;
  font-weight: 650;
  color: var(--copper-light);
}
.hero p {
  margin: 18px 0 28px;
  max-width: 46ch;
  font-size: 1.05rem;
  color: #b8b4ad;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.hero-actions .btn-copper { padding: 14px 22px; }

.hero-forge { display: grid; gap: 18px; justify-items: start; }
.hero-forge p {
  margin: 0;
  max-width: 32ch;
  font-size: 0.92rem;
}
.forge {
  display: grid;
  grid-template-columns: repeat(3, 72px);
  grid-template-rows: repeat(3, 72px);
  gap: 12px;
}
.forge i {
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--graphite);
  color: #8d8983;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-style: normal;
  font-weight: 600;
  letter-spacing: 0.06em;
}
.forge .a { grid-area: 1 / 1; }
.forge .b { grid-area: 2 / 1; }
.forge .c { grid-area: 3 / 1; }
.forge .d { grid-area: 2 / 2; background: var(--copper); color: #fff; }
.forge .e { grid-area: 1 / 3; }
.forge .f { grid-area: 2 / 3; }
.forge .g { grid-area: 3 / 3; }
.forge .hole-top,
.forge .hole-bot {
  background: transparent;
  box-shadow: inset 0 0 0 1px rgba(243, 241, 237, 0.16);
}
.forge .hole-top { grid-area: 1 / 2; }
.forge .hole-bot { grid-area: 3 / 2; }

.benefits {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding: 0 0 56px;
}
.benefits article {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 22px;
}
.benefits strong {
  display: block;
  font-size: 1.2rem;
  margin-bottom: 8px;
  letter-spacing: -0.03em;
}
.benefits p { margin: 0; color: var(--ink-soft); }

.section-head { max-width: 640px; margin-bottom: 36px; }
.section-head h2 { margin: 0 0 10px; font-size: clamp(1.8rem, 3vw, 2.5rem); }
.section-head p { margin: 0; color: var(--ink-soft); }
.band-dark .section-head p { color: #b8b4ad; }

.grid-3, .grid-4, .grid-2, .grid-7 { display: grid; gap: 16px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-7 { grid-template-columns: repeat(7, 1fr); }
.grid-2 { grid-template-columns: 1fr 1fr; }

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 22px;
}
.band-mist .card { background: var(--paper); }
.band-dark .card {
  background: var(--graphite);
  border-color: var(--line-dark);
}
.card h3 { margin: 0 0 8px; font-size: 1.2rem; }
.card p { margin: 0; color: var(--ink-soft); }
.band-dark .card p,
.band-dark .case ul { color: #b8b4ad; }
.band-dark .case .case-role { color: var(--warm); }

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.pillar-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.step-num {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--copper);
  margin: 0;
}
.band-follow { padding-top: 0; }

.case {
  overflow: hidden;
  padding: 0;
  display: grid;
  align-content: start;
}
.case-shot {
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #0c0e10;
}
.case-shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}
.case-body { padding: 22px; }
.case .tag { margin-bottom: 12px; }
.case .case-role {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--warm);
}
.case-problem {
  margin: 0 0 18px;
  color: #b8b4ad;
}
.case .go {
  font-weight: 700;
  color: var(--copper);
  text-decoration: none;
}
.band-dark .case .go { color: var(--copper-light); }
.case .go:hover { text-decoration: underline; }
.studio-person {
  max-width: 54ch;
  margin: 0 0 14px;
  font-size: 1.05rem;
}
.studio-stack {
  max-width: 62ch;
  margin: 0 0 22px;
  color: var(--ink-soft);
  font-size: 0.92rem;
}
.tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 18px;
}
.band-dark .tag { color: var(--copper-light); }

.contact-box {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 24px;
  align-items: start;
}
form { display: grid; gap: 12px; }
label { font-size: 0.82rem; font-weight: 650; }
input, textarea, select {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 14px;
  padding: 12px 14px;
  color: var(--ink);
}
textarea { min-height: 120px; resize: vertical; }
.form-note { margin: 0; font-size: 0.85rem; color: var(--ink-soft); min-height: 0; }
.form-note:empty { display: none; }

.wa {
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: 56px;
  height: 56px;
  border: 0;
  border-radius: 50%;
  background: var(--whatsapp);
  color: #fff;
  display: grid;
  place-items: center;
  cursor: pointer;
  box-shadow: 0 10px 28px rgba(18, 140, 126, 0.35);
  z-index: 30;
}
.wa svg { width: 28px; height: 28px; }
.wa:focus-visible { outline: 3px solid var(--copper); outline-offset: 3px; }

.site-foot {
  background: var(--charcoal);
  color: #b8b4ad;
  border-top: 1px solid var(--line-dark);
  padding: 28px 0 88px;
}
.site-foot .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-size: 0.88rem;
  flex-wrap: wrap;
}
.foot-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--warm);
  font-size: 0.82rem;
}
.foot-copy { margin: 0; }

@media (max-width: 1040px) {
  .top-bar {
    display: flex;
    justify-content: space-between;
  }
  .menu-btn { display: flex; }
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: clamp(24px, 4.5vw, 72px);
    right: clamp(24px, 4.5vw, 72px);
    flex-direction: column;
    justify-content: flex-start;
    gap: 0;
    background: var(--graphite);
    border: 1px solid var(--line-dark);
    border-radius: 16px;
    padding: 8px;
  }
  .nav.is-open { display: flex; }
  .nav a { padding: 12px 14px; }
}

@media (max-width: 960px) {
  .grid-7 { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 860px) {
  .hero, .grid-4, .grid-3, .grid-2, .contact-box, .benefits { grid-template-columns: 1fr; }
  .hero { padding-top: 28px; }
  .forge {
    grid-template-columns: repeat(3, 64px);
    grid-template-rows: repeat(3, 64px);
  }
  .grid-7 { grid-template-columns: 1fr; }
}