/* ============================================
   SITE EXPRESS — XISPEH
   mobile-first · dark + laranja
   ============================================ */

:root {
  /* tokens do design system Xispeh */
  --c-black: #121111;
  --c-black-deep: #0a0a0a;
  --c-black-mid: #161515;
  --c-orange: #FF8D07;
  --c-orange-bright: #FFA033;
  --c-orange-dark: #CC7006;
  --c-white: #F5F5F5;
  --c-white-dim: rgba(245, 245, 245, 0.72);
  --c-white-low: rgba(245, 245, 245, 0.45);
  --c-line: rgba(245, 245, 245, 0.08);
  --c-line-strong: rgba(255, 141, 7, 0.28);

  /* glow */
  --glow-orange: 0 0 30px rgba(255, 141, 7, 0.35), 0 0 60px rgba(255, 141, 7, 0.15);
  --glow-orange-strong: 0 0 40px rgba(255, 141, 7, 0.55), 0 0 80px rgba(255, 141, 7, 0.25);

  /* radius */
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 12px;
  --r-xl: 16px;
  --r-2xl: 24px;
  --r-pill: 100px;

  /* spacing */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-4: 16px;
  --sp-6: 24px;
  --sp-8: 32px;
  --sp-12: 48px;

  /* font */
  --font-main: 'Space Grotesk', Helvetica Neue, system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--c-black);
  color: var(--c-white);
  font-family: var(--font-main);
  font-weight: 300;
  letter-spacing: -0.01em;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  background-image:
    radial-gradient(circle at 80% -10%, rgba(255, 141, 7, 0.10), transparent 50%),
    radial-gradient(circle at -10% 110%, rgba(255, 141, 7, 0.06), transparent 50%);
  background-attachment: fixed;
}

/* ============================================
   TOPBAR (removida — pills de navegação fixas no lugar)
   ============================================ */

/* ============================================
   CONTAINER
   ============================================ */
.container {
  max-width: 640px;
  margin: 0 auto;
  padding: var(--sp-3) var(--sp-4) calc(var(--sp-12) + 60px);
}

/* ============================================
   CALCULADORA
   ============================================ */
.calc {
  background: linear-gradient(180deg, var(--c-black-mid), var(--c-black-deep));
  border: 1px solid var(--c-line-strong);
  border-radius: var(--r-2xl);
  padding: var(--sp-5);
  margin-bottom: var(--sp-4);
  position: relative;
  overflow: hidden;
}

.calc::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 100% 0%, rgba(255, 141, 7, 0.18), transparent 60%);
  pointer-events: none;
}

.calc-head {
  position: relative;
  margin-bottom: var(--sp-6);
  text-align: center;
}

.calc-head h2 {
  margin: 0 0 var(--sp-2);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.calc-head p {
  margin: 0;
  font-size: 13px;
  color: var(--c-white-dim);
  line-height: 1.5;
  text-align: center;
  text-wrap: balance;
}

.calc-input {
  position: relative;
  margin-bottom: var(--sp-6);
}

.calc-input label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-orange);
  margin-bottom: var(--sp-2);
  text-align: center;
  text-wrap: balance;
}

.calc-input input {
  width: 100%;
  background: var(--c-black-deep);
  border: 1px solid var(--c-line-strong);
  border-radius: var(--r-lg);
  color: var(--c-white);
  font-family: var(--font-main);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.03em;
  padding: var(--sp-4) var(--sp-4);
  text-align: center;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  -moz-appearance: textfield;
}

.calc-input input::-webkit-outer-spin-button,
.calc-input input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.calc-input input:focus {
  border-color: var(--c-orange);
  box-shadow: var(--glow-orange);
}

.calc-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
}

.calc-card {
  background: rgba(245, 245, 245, 0.03);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  padding: var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  text-align: center;
  align-items: center;
}

.calc-card.highlight {
  background: linear-gradient(135deg, rgba(255, 141, 7, 0.18), rgba(255, 141, 7, 0.05));
  border-color: var(--c-orange);
  box-shadow: var(--glow-orange);
}

.calc-label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-white-dim);
  text-align: center;
  text-wrap: balance;
}

.calc-card.highlight .calc-label {
  color: var(--c-orange);
}

.calc-val {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--c-white);
  word-break: break-word;
  line-height: 1.2;
  text-align: center;
}

.calc-card.highlight .calc-val {
  color: var(--c-orange);
  text-shadow: 0 0 20px rgba(255, 141, 7, 0.4);
}

.calc-card small {
  font-size: 11px;
  color: var(--c-white-low);
  line-height: 1.4;
  text-align: center;
  text-wrap: balance;
}

.calc-hint {
  position: relative;
  margin: 0;
  font-size: 12px;
  color: var(--c-white-dim);
  line-height: 1.5;
  padding: var(--sp-3);
  background: rgba(255, 141, 7, 0.05);
  border-left: 2px solid var(--c-orange);
  border-radius: var(--r-sm);
  text-align: center;
  text-wrap: balance;
}

/* ============================================
   NAVEGAÇÃO DE ETAPAS (sticky no topo)
   ============================================ */
.steps-nav {
  display: flex;
  gap: var(--sp-2);
  overflow-x: auto;
  padding: var(--sp-2) 0;
  margin-bottom: var(--sp-3);
  scrollbar-width: none;
  -ms-overflow-style: none;
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(18, 17, 17, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--c-line);
  margin-left: calc(var(--sp-4) * -1);
  margin-right: calc(var(--sp-4) * -1);
  padding-left: var(--sp-4);
  padding-right: var(--sp-4);
}

.steps-nav::-webkit-scrollbar {
  display: none;
}

.step-pill {
  flex: 0 0 auto;
  background: var(--c-black-mid);
  border: 1px solid var(--c-line);
  color: var(--c-white-dim);
  font-family: var(--font-main);
  font-size: 11px;
  font-weight: 500;
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: -0.01em;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}

.step-pill:active {
  transform: scale(0.96);
}

.step-pill.active {
  background: var(--c-orange);
  color: var(--c-black);
  border-color: var(--c-orange);
  box-shadow: var(--glow-orange);
  font-weight: 700;
}

/* ============================================
   ETAPAS (ACORDEÃO)
   ============================================ */
.etapa {
  background: var(--c-black-mid);
  border: 1px solid var(--c-line);
  border-radius: var(--r-xl);
  margin-bottom: var(--sp-2);
  transition: border-color 0.2s;
  overflow: hidden;
}

.etapa[open] {
  border-color: var(--c-line-strong);
  box-shadow: 0 0 0 1px rgba(255, 141, 7, 0.1);
}

.etapa summary {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  cursor: pointer;
  user-select: none;
  list-style: none;
  position: relative;
}

.etapa summary::-webkit-details-marker {
  display: none;
}

.etapa-num {
  width: 26px;
  height: 26px;
  border-radius: var(--r-pill);
  background: linear-gradient(135deg, var(--c-orange), var(--c-orange-dark));
  color: var(--c-black);
  font-weight: 700;
  font-size: 12px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  box-shadow: var(--glow-orange);
}

.etapa-title {
  flex: 1;
  font-weight: 500;
  font-size: 14px;
  letter-spacing: -0.01em;
  text-align: center;
}

.etapa-tag {
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-orange);
  padding: var(--sp-1) var(--sp-2);
  background: rgba(255, 141, 7, 0.08);
  border: 1px solid var(--c-line-strong);
  border-radius: var(--r-sm);
}

.etapa summary::after {
  content: '';
  width: 12px;
  height: 12px;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23FF8D07' stroke-width='2'><path d='M6 9l6 6 6-6'/></svg>");
  background-repeat: no-repeat;
  background-size: contain;
  transition: transform 0.2s;
  flex-shrink: 0;
}

.etapa[open] summary::after {
  transform: rotate(180deg);
}

.etapa-body {
  padding: 0 var(--sp-4) var(--sp-4);
  border-top: 1px solid var(--c-line);
  padding-top: var(--sp-3);
}

.etapa-desc {
  font-size: 12px;
  color: var(--c-white-dim);
  line-height: 1.5;
  margin: 0 0 var(--sp-3);
  padding: var(--sp-2) var(--sp-3);
  border-left: 2px solid var(--c-orange);
  text-align: center;
  text-wrap: balance;
  background: rgba(255, 141, 7, 0.04);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
}

.block-title {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-orange);
  margin: var(--sp-3) 0 var(--sp-2);
  text-align: center;
  text-wrap: balance;
}

/* ============================================
   BLOCOS DE MENSAGEM
   ============================================ */
.block {
  background: var(--c-black-deep);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  margin-bottom: var(--sp-2);
  overflow: hidden;
  transition: border-color 0.2s;
}

.block:active {
  border-color: var(--c-line-strong);
}

.block.highlight {
  border-color: var(--c-line-strong);
  background: rgba(255, 141, 7, 0.04);
}

.block-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  padding: var(--sp-2) var(--sp-3);
  border-bottom: 1px solid var(--c-line);
  background: rgba(245, 245, 245, 0.02);
}

.block-name {
  font-size: 11px;
  font-weight: 600;
  color: var(--c-white);
  flex: 1;
  letter-spacing: -0.01em;
  text-align: center;
  text-wrap: balance;
  line-height: 1.3;
}

.copy-btn {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: var(--r-md);
  background: rgba(255, 141, 7, 0.1);
  border: 1px solid var(--c-line-strong);
  color: var(--c-orange);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: all 0.2s;
  -webkit-tap-highlight-color: transparent;
}

.copy-btn svg {
  width: 14px;
  height: 14px;
}

.copy-btn:active {
  transform: scale(0.92);
  background: rgba(255, 141, 7, 0.2);
}

.copy-btn.copied {
  background: var(--c-orange);
  color: var(--c-black);
  border-color: var(--c-orange);
  box-shadow: var(--glow-orange);
}

.block-body {
  padding: var(--sp-3);
  font-size: 13px;
  line-height: 1.55;
  color: var(--c-white);
  letter-spacing: -0.01em;
  text-align: center;
  text-wrap: balance;
}

.block-body p {
  margin: 0 0 var(--sp-2);
  text-wrap: balance;
}

.block-body p:last-child {
  margin-bottom: 0;
}

.block-body strong {
  color: var(--c-orange);
  font-weight: 700;
}

.block-body a {
  color: var(--c-orange-bright);
  text-decoration: underline;
  text-decoration-color: var(--c-line-strong);
}

.block-foot {
  padding: var(--sp-2) var(--sp-3);
  border-top: 1px solid var(--c-line);
  font-size: 10px;
  color: var(--c-white-low);
  background: rgba(245, 245, 245, 0.02);
  font-style: italic;
  line-height: 1.4;
  text-align: center;
  text-wrap: balance;
}

/* ============================================
   FOOTER
   ============================================ */
.foot {
  margin-top: var(--sp-12);
  padding: var(--sp-6) 0;
  text-align: center;
  border-top: 1px solid var(--c-line);
}

.foot p {
  margin: 0 0 var(--sp-1);
  font-size: 12px;
  font-weight: 500;
  color: var(--c-orange);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.foot small {
  font-size: 11px;
  color: var(--c-white-low);
  line-height: 1.5;
}

/* ============================================
   TOAST
   ============================================ */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--c-orange);
  color: var(--c-black);
  padding: var(--sp-3) var(--sp-6);
  border-radius: var(--r-pill);
  font-size: 13px;
  font-weight: 700;
  box-shadow: var(--glow-orange-strong);
  opacity: 0;
  transition: opacity 0.25s, transform 0.25s;
  z-index: 100;
  pointer-events: none;
  letter-spacing: 0.02em;
}

.toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 380px) {
  .calc-grid {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 768px) {
  .container {
    max-width: 720px;
    padding: var(--sp-8) var(--sp-6) var(--sp-12);
  }
}