/* ============================================================
   GoFunds — Design System (ds.css)
   design-system.css + GoFunds Theme (Dark Green/Accent Green)
   ============================================================ */

/* ---------- THEME TOKENS (GoFunds: Dark Green/Accent Green) ---------- */
:root {
  --ds-color-primary: #1a3a2a;
  --ds-color-primary-dark: #1a3a2a;
  --ds-color-primary-light: #e8f0e9;
  --ds-color-secondary: #3d8b5e;
  --ds-color-bg: #ffffff;
  --ds-color-bg-soft: #f5f5f5;
  --ds-color-bg-tinted: #eaf5ec;
  --ds-color-text-1: #111111;
  --ds-color-text-2: #555555;
  --ds-color-text-3: #888888;
  --ds-color-border: #e0e0e0;
  --ds-color-border-hover: #d5d5d5;
  --ds-color-footer-bg: #f0f4f3;
  --ds-color-footer-text: #555555;
}

/* ---------- DESIGN SYSTEM TOKENS ---------- */
:root {
  /* Spacing (escala 4px) */
  --ds-space-1: 4px;
  --ds-space-2: 8px;
  --ds-space-3: 12px;
  --ds-space-4: 16px;
  --ds-space-5: 20px;
  --ds-space-6: 24px;
  --ds-space-7: 32px;
  --ds-space-8: 40px;
  --ds-space-9: 48px;
  --ds-space-10: 64px;
  --ds-space-11: 80px;
  --ds-space-12: 100px;

  /* Border Radius */
  --ds-radius-sm: 8px;
  --ds-radius-md: 16px;
  --ds-radius-lg: 24px;
  --ds-radius-xl: 32px;
  --ds-radius-full: 50px;

  /* Shadows */
  --ds-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --ds-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --ds-shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.06);

  /* Typography Scale */
  --ds-text-xs: 12px;
  --ds-text-sm: 13px;
  --ds-text-base: 14px;
  --ds-text-md: 15px;
  --ds-text-lg: 16px;
  --ds-text-xl: 18px;
  --ds-text-2xl: 20px;
  --ds-text-3xl: 24px;
  --ds-text-4xl: 32px;

  /* Line Height */
  --ds-leading-tight: 1.2;
  --ds-leading-normal: 1.6;
  --ds-leading-relaxed: 1.7;

  /* Transitions */
  --ds-transition-fast: 0.2s ease;
  --ds-transition-normal: 0.3s ease;

  /* Z-index */
  --ds-z-header: 100;

  /* Container */
  --ds-container-max: 1200px;
  --ds-container-pad: 24px;
}

/* ---------- UTILITIES ---------- */

.ds-container {
  max-width: var(--ds-container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--ds-container-pad);
  padding-right: var(--ds-container-pad);
}

.ds-section {
  padding-top: var(--ds-space-11);
  padding-bottom: var(--ds-space-11);
}

.ds-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--ds-space-6);
}

.ds-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--ds-space-6);
}

.ds-flex {
  display: flex;
  align-items: center;
}

.ds-flex--between {
  justify-content: space-between;
}

.ds-flex--center {
  justify-content: center;
}

.ds-flex--col {
  flex-direction: column;
}

@media (max-width: 768px) {
  .ds-grid-2,
  .ds-grid-3 {
    grid-template-columns: 1fr;
  }
}

/* ---------- BUTTONS ---------- */

.ds-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--ds-radius-full);
  font-size: var(--ds-text-base);
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--ds-transition-normal);
  white-space: nowrap;
}

.ds-btn--primary {
  background: var(--ds-color-primary);
  color: #fff;
  border-color: var(--ds-color-primary);
}

.ds-btn--primary:hover {
  background: var(--ds-color-primary-dark);
  border-color: var(--ds-color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--ds-shadow-md);
}

.ds-btn--secondary {
  background: transparent;
  color: var(--ds-color-primary);
  border-color: var(--ds-color-primary);
}

.ds-btn--secondary:hover {
  background: var(--ds-color-primary-light);
}

.ds-btn--ghost {
  background: transparent;
  color: var(--ds-color-text-2);
  border-color: transparent;
  padding: 10px 20px;
}

.ds-btn--ghost:hover {
  color: var(--ds-color-primary);
  background: var(--ds-color-primary-light);
}

.ds-btn--sm {
  padding: 8px 18px;
  font-size: var(--ds-text-sm);
}

.ds-btn--lg {
  padding: 16px 36px;
  font-size: var(--ds-text-lg);
}

.ds-btn--block {
  width: 100%;
}

.ds-btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* ---------- CARDS ---------- */

.ds-card {
  background: var(--ds-color-bg);
  border: 1px solid var(--ds-color-border);
  border-radius: var(--ds-radius-lg);
  transition: box-shadow var(--ds-transition-normal), transform var(--ds-transition-normal);
}

.ds-card:hover {
  box-shadow: var(--ds-shadow-md);
  transform: translateY(-2px);
}

.ds-card__header {
  padding: var(--ds-space-5) var(--ds-space-6);
  border-bottom: 1px solid var(--ds-color-border);
}

.ds-card__body {
  padding: var(--ds-space-6);
}

/* ---------- FORMS ---------- */

.ds-form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: var(--ds-space-4);
}

.ds-form-label {
  font-size: var(--ds-text-sm);
  font-weight: 600;
  color: var(--ds-color-text-1);
}

.ds-form-input,
.ds-form-select,
.ds-form-textarea {
  padding: 10px 14px;
  border: 1px solid var(--ds-color-border);
  border-radius: var(--ds-radius-sm);
  font-size: var(--ds-text-base);
  color: var(--ds-color-text-1);
  background: var(--ds-color-bg);
  transition: border-color var(--ds-transition-fast), box-shadow var(--ds-transition-fast);
  outline: none;
  width: 100%;
  font-family: inherit;
}

.ds-form-input:focus,
.ds-form-select:focus,
.ds-form-textarea:focus {
  border-color: var(--ds-color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--ds-color-primary) 15%, transparent);
}

.ds-form-input::placeholder,
.ds-form-textarea::placeholder {
  color: var(--ds-color-text-3);
}

.ds-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--ds-space-4);
}

@media (max-width: 768px) {
  .ds-form-row {
    grid-template-columns: 1fr;
  }
}

/* ---------- BADGE ---------- */

.ds-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: var(--ds-radius-full);
  font-size: var(--ds-text-xs);
  font-weight: 600;
  line-height: 1.4;
}

.ds-badge--primary {
  background: color-mix(in srgb, var(--ds-color-primary) 12%, transparent);
  color: var(--ds-color-primary);
}

/* ---------- TOP BANNER ---------- */

.top-banner {
  background: var(--ds-color-primary);
  color: #fff;
  text-align: center;
  padding: 6px 24px;
  font-size: 11px;
  letter-spacing: 0.3px;
}

.top-banner span {
  opacity: 0.7;
}

.top-banner strong {
  opacity: 1;
}

/* ---------- HEADER ---------- */

.ds-header {
  position: sticky;
  top: 0;
  z-index: var(--ds-z-header);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--ds-color-border);
  transition: box-shadow var(--ds-transition-normal), background var(--ds-transition-normal);
}

.ds-header.scrolled {
  box-shadow: var(--ds-shadow-sm);
  background: rgba(255, 255, 255, 0.95);
}

.ds-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.ds-nav__logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.ds-nav__logo-img {
  height: 38px;
  width: auto;
}

.ds-nav__links {
  display: flex;
  align-items: center;
  gap: var(--ds-space-7);
  list-style: none;
  margin: 0;
  padding: 0;
}

.ds-nav__links a {
  font-size: var(--ds-text-base);
  font-weight: 500;
  color: var(--ds-color-text-2);
  text-decoration: none;
  transition: color var(--ds-transition-fast);
}

.ds-nav__links a:hover {
  color: var(--ds-color-primary);
}

.ds-nav__actions {
  display: flex;
  align-items: center;
  gap: var(--ds-space-4);
}

.ds-nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.ds-nav__toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--ds-color-text-1);
  border-radius: 2px;
  transition: all var(--ds-transition-normal);
  transform-origin: center;
}

/* Hamburger active (X) */
.ds-nav__toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.ds-nav__toggle.active span:nth-child(2) {
  opacity: 0;
}
.ds-nav__toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- HEADER MOBILE ---------- */
@media (max-width: 768px) {
  .ds-nav__links,
  .ds-nav__actions {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: var(--ds-space-6) var(--ds-container-pad);
    border-bottom: 1px solid var(--ds-color-border);
    gap: var(--ds-space-4);
  }

  .ds-nav__links.active,
  .ds-nav__actions.active {
    display: flex;
  }

  .ds-nav__actions {
    top: auto;
    position: static;
    border-bottom: none;
    padding-top: var(--ds-space-3);
  }

  .ds-nav__links.active + .ds-nav__actions {
    display: flex;
  }

  .ds-nav__links {
    align-items: stretch;
  }

  .ds-nav__links a {
    font-size: var(--ds-text-lg);
    padding: var(--ds-space-2) 0;
  }

  .ds-nav__toggle {
    display: flex;
  }

  .ds-nav__actions .ds-btn {
    width: 100%;
    text-align: center;
  }
}

/* ---------- FOOTER ---------- */

.ds-footer {
  background: var(--ds-color-footer-bg);
  color: var(--ds-color-footer-text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  padding: 60px 0 24px;
  border-top: 1px solid var(--ds-color-border);
}

.ds-footer__top {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: var(--ds-space-10);
}

.ds-footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--ds-space-4);
}

.ds-footer__logo-img {
  height: 32px;
  width: auto;
}

.ds-footer__tagline {
  font-size: var(--ds-text-base);
  line-height: var(--ds-leading-relaxed);
  color: var(--ds-color-footer-text);
  margin: 0;
}

.ds-footer__cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--ds-space-7);
}

.ds-footer__col h5 {
  font-size: var(--ds-text-base);
  font-weight: 700;
  margin: 0 0 var(--ds-space-4);
  color: var(--ds-color-text-1);
}

.ds-footer__col a {
  display: block;
  font-size: var(--ds-text-sm);
  color: var(--ds-color-footer-text);
  text-decoration: none;
  padding: 4px 0;
  transition: color var(--ds-transition-fast);
}

.ds-footer__col a:hover {
  color: var(--ds-color-primary);
}

.ds-footer__divider {
  height: 1px;
  background: var(--ds-color-border);
  margin: var(--ds-space-8) 0 var(--ds-space-6);
}

.ds-footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--ds-space-4);
}

.ds-footer__copyright {
  font-size: var(--ds-text-sm);
  color: var(--ds-color-footer-text);
  margin: 0;
}

.ds-footer__credit {
  display: flex;
  align-items: center;
  gap: var(--ds-space-2);
  font-size: var(--ds-text-sm);
  color: var(--ds-color-footer-text);
}

.ds-footer__goworks-logo {
  height: 20px;
  width: auto;
}

.ds-footer__cnpj {
  font-size: var(--ds-text-xs);
  color: var(--ds-color-text-3);
  text-align: center;
  margin-top: var(--ds-space-6);
}

@media (max-width: 768px) {
  .ds-footer__top {
    grid-template-columns: 1fr;
    gap: var(--ds-space-8);
  }

  .ds-footer__bottom {
    flex-direction: column;
    text-align: center;
  }
}