/* ============================================================
   Calculadora de Margem — site público (landing + login)
   Mesma identidade do produto: ink (neutros) · brand (azul) ·
   accent (ciano) · grape (roxo). Fontes hospedadas localmente.
   ============================================================ */

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url("./fonts/inter-variable.woff2") format("woff2");
}
@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 500 700;
  font-display: swap;
  src: url("./fonts/space-grotesk-variable.woff2") format("woff2");
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("./fonts/jetbrains-mono-variable.woff2") format("woff2");
}

:root {
  --brand-300: #6ba2ff;
  --brand-500: #0161f6;
  --brand-600: #0153d6;
  --brand-900: #0f316d;
  --brand-rgb: 1 97 246;

  --accent-300: #7dfdf7;
  --accent-400: #4dfbf4;
  --accent-500: #21f8f0;
  --accent-rgb: 33 248 240;

  --grape-rgb: 113 48 240;

  --good: #34d399;
  --good-rgb: 52 211 153;

  --ink-100: #ececf2;
  --ink-300: #b6b6c6;
  --ink-400: #8a8a9c;
  --ink-500: #62626f;
  --ink-700: #232331;
  --ink-800: #181822;
  --ink-850: #101019;
  --ink-900: #0b0b11;

  --r-sm: 9px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 20px;
  --shadow-card: 0 1px 0 0 rgb(255 255 255 / 0.03), 0 8px 30px -12px rgb(0 0 0 / 0.6);
  --glow-cyan: 0 0 24px rgb(33 248 240 / 0.28);

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

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink-100);
  -webkit-font-smoothing: antialiased;
  background-color: #02030a;
  background-image:
    linear-gradient(100deg, transparent 0%, transparent 10%, rgb(24 110 250 / 0.16) 20%, transparent 32%, transparent 100%),
    radial-gradient(60% 46% at 82% 0%, rgb(113 48 240 / 0.16), transparent 70%),
    radial-gradient(70% 42% at 15% -10%, rgb(22 110 255 / 0.16), transparent 72%);
  background-repeat: no-repeat, no-repeat, no-repeat;
  background-attachment: fixed;
}

h1, h2, h3 { font-family: var(--font-display); margin: 0; font-weight: 700; color: #fff; }
a { color: inherit; }
img { max-width: 100%; display: block; }

::selection { background: rgb(var(--accent-rgb) / 0.3); color: #fff; }

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- topo ---------- */

.site-topo {
  padding: 22px 0;
  border-bottom: 1px solid var(--ink-800);
}
.site-topo .container {
  display: flex;
  align-items: center;
  gap: 12px;
}
.site-marca {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: #fff;
  text-decoration: none;
  margin-right: auto;
}
.site-marca img { width: 32px; height: 32px; }

/* ---------- botões ---------- */

.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 13px 22px;
  border: none;
  border-radius: var(--r-md);
  background: linear-gradient(135deg, var(--brand-500), var(--accent-500) 160%);
  color: #fff;
  font-family: inherit;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 0 22px -6px rgb(var(--accent-rgb) / 0.4);
  transition: filter 180ms ease, box-shadow 180ms ease;
}
.btn-cta:hover { filter: brightness(1.08); box-shadow: 0 0 30px -6px rgb(var(--accent-rgb) / 0.6); }
.btn-cta:active { filter: brightness(0.97); }
.btn-cta svg { flex-shrink: 0; }

.btn-cta-sm { padding: 9px 16px; font-size: 13.5px; }

/* ---------- hero ---------- */

.hero-secao { padding: 76px 0 88px; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 460px);
  gap: 56px;
  align-items: center;
}
.hero-titulo {
  font-size: clamp(2.1rem, 4vw, 3rem);
  letter-spacing: -0.02em;
  line-height: 1.08;
}
.hero-sub {
  margin: 20px 0 32px;
  max-width: 46ch;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-300);
}
.hero-rodape {
  margin-top: 18px;
  font-size: 13px;
  color: var(--ink-500);
}

/* ---------- mockup de resultado (reaproveita a linguagem visual do app) ---------- */

.mock-card {
  background: rgb(11 11 17 / 0.6);
  border: 1px solid var(--ink-800);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.mock-head {
  padding: 16px 18px;
  border-bottom: 1px solid var(--ink-800);
}
.mock-eyebrow {
  font-family: var(--font-mono);
  font-size: 9.5px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-400);
  margin: 0 0 4px;
}
.mock-head h3 { font-size: 14.5px; }
.mock-rows { padding: 6px 10px 12px; }
.mock-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 8px;
  border-radius: var(--r-md);
}
.mock-row + .mock-row { margin-top: 2px; }
.mock-row.top { background: rgb(var(--mp) / 0.08); box-shadow: inset 3px 0 0 rgb(var(--mp)); }
.mock-rank {
  display: grid; place-items: center; flex-shrink: 0;
  width: 22px; height: 22px; border-radius: 7px;
  background: var(--ink-850); border: 1px solid var(--ink-700);
  font-family: var(--font-display); font-size: 11px; font-weight: 700; color: var(--ink-400);
}
.mock-row.top .mock-rank { background: rgb(var(--mp) / 0.18); border-color: rgb(var(--mp) / 0.4); color: rgb(var(--mp)); }
.mock-mark {
  display: grid; place-items: center; flex-shrink: 0;
  width: 24px; height: 24px; border-radius: 7px;
  background: rgb(var(--mp) / 0.14); border: 1px solid rgb(var(--mp) / 0.3);
  color: rgb(var(--mp)); font-family: var(--font-display); font-weight: 700; font-size: 10.5px;
}
.mock-nome { flex: 1; min-width: 0; font-size: 13px; font-weight: 600; color: #fff; }
.mock-margem { width: 78px; flex-shrink: 0; }
.mock-margem-val { display: block; font-size: 11.5px; font-weight: 600; margin-bottom: 4px; color: var(--ink-300); }
.mock-bar { display: block; height: 4px; border-radius: 999px; background: var(--ink-800); overflow: hidden; }
.mock-bar span { display: block; height: 100%; background: var(--good); }
.mock-lucro { width: 74px; flex-shrink: 0; text-align: right; font-family: var(--font-display); font-weight: 700; font-size: 15px; color: var(--good); }
.mock-foot {
  display: flex; align-items: center; gap: 8px;
  padding: 11px 18px; border-top: 1px solid var(--ink-800);
  font-size: 11.5px; color: var(--ink-500);
}
.mock-foot b { color: var(--accent-300); font-weight: 600; }

/* ---------- seções ---------- */

section { padding: 72px 0; border-top: 1px solid var(--ink-800); }
.secao-titulo { font-size: clamp(1.5rem, 2.6vw, 2rem); letter-spacing: -0.01em; max-width: 30ch; }
.secao-sub { margin: 14px 0 0; max-width: 56ch; color: var(--ink-400); font-size: 15.5px; line-height: 1.6; }

/* ---------- modos ---------- */

.modos-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 40px; }
.modo-card {
  background: rgb(11 11 17 / 0.45);
  border: 1px solid var(--ink-800);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-card);
  padding: 26px 28px;
}
.modo-card .rotulo {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-400);
  margin-bottom: 10px;
}
.modo-card h3 { font-size: 19px; margin-bottom: 10px; }
.modo-card p { margin: 0; color: var(--ink-300); font-size: 14.5px; line-height: 1.6; }

/* ---------- marketplaces ---------- */

.mp-linha {
  margin-top: 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.mp-chip {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 18px;
  background: rgb(11 11 17 / 0.45);
  border: 1px solid var(--ink-800);
  border-radius: var(--r-lg);
  font-weight: 600; font-size: 14px; color: #fff;
}
.mp-chip img, .mp-chip svg { width: 22px; height: 22px; }

/* ---------- como funciona ---------- */

.passos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
.passo-num {
  display: grid; place-items: center;
  width: 30px; height: 30px; border-radius: 9px;
  background: var(--brand-500); color: #fff;
  font-family: var(--font-display); font-weight: 700; font-size: 14px;
  margin-bottom: 16px;
}
.passo h3 { font-size: 16px; margin-bottom: 8px; }
.passo p { margin: 0; color: var(--ink-400); font-size: 14px; line-height: 1.6; }

/* ---------- cta final ---------- */

.cta-secao { text-align: left; }
.cta-caixa {
  background: radial-gradient(90% 160% at 0% 0%, rgb(var(--grape-rgb) / 0.22), transparent 60%),
    linear-gradient(120deg, var(--brand-900), var(--ink-900) 75%);
  border: 1px solid rgb(var(--brand-rgb) / 0.35);
  border-radius: var(--r-xl);
  padding: 44px 40px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
}
.cta-caixa h2 { font-size: clamp(1.35rem, 2.4vw, 1.85rem); max-width: 26ch; }
.cta-caixa p { margin: 8px 0 0; color: var(--brand-300); font-size: 14.5px; }

/* ---------- rodapé ---------- */

.site-rodape { padding: 32px 0 48px; border-top: 1px solid var(--ink-800); }
.site-rodape .container {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.site-rodape p { margin: 0; font-size: 12.5px; color: var(--ink-500); }

/* ---------- login ---------- */

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.login-card {
  width: 100%;
  max-width: 380px;
  background: rgb(11 11 17 / 0.6);
  border: 1px solid var(--ink-800);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-card);
  padding: 32px 30px;
}
.login-marca {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 26px;
}
.login-marca img { width: 34px; height: 34px; }
.login-marca span { font-family: var(--font-display); font-weight: 700; font-size: 15px; color: #fff; }
.login-card h1 { font-size: 20px; margin-bottom: 6px; }
.login-card .sub { margin: 0 0 24px; color: var(--ink-500); font-size: 13.5px; }

.campo { margin-bottom: 16px; }
.campo label { display: block; font-size: 12px; font-weight: 500; color: var(--ink-400); margin-bottom: 6px; }
.campo input {
  width: 100%; padding: 11px 13px; border-radius: var(--r-sm);
  border: 1px solid var(--ink-700); background: var(--ink-900);
  color: #fff; font-size: 14.5px; font-family: inherit;
}
.campo input:focus { outline: none; border-color: transparent; box-shadow: 0 0 0 2px var(--accent-500); }

.login-erro {
  display: none;
  padding: 10px 13px;
  margin-bottom: 16px;
  border-radius: var(--r-sm);
  background: rgb(248 113 113 / 0.1);
  border: 1px solid rgb(248 113 113 / 0.3);
  color: #fca5a5;
  font-size: 13px;
}
.login-erro.on { display: block; }

.login-btn {
  width: 100%; padding: 12px; border: none; border-radius: var(--r-md);
  background: var(--brand-500); color: #fff; font-weight: 700; font-size: 14.5px;
  font-family: inherit; cursor: pointer; transition: background 160ms ease;
}
.login-btn:hover { background: var(--brand-600); }
.login-btn:disabled { opacity: 0.6; cursor: not-allowed; }

.login-voltar { display: block; text-align: center; margin-top: 20px; font-size: 13px; color: var(--ink-500); text-decoration: none; }
.login-voltar:hover { color: var(--ink-300); }

/* ---------- responsivo ---------- */

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .modos-grid { grid-template-columns: 1fr; }
  .passos { grid-template-columns: 1fr; }
  .cta-caixa { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 560px) {
  .hero-secao { padding: 52px 0 60px; }
  section { padding: 52px 0; }
}