/* Shared UI — Ermias Yosief newsletter (warm paper + terracotta, not FinOps / Apparel / Motors) */

:root {
  --bg: #f7f4f0;
  --surface: #fffcf9;
  --ink: #1c1814;
  --muted: #5c564e;
  --accent: #c45c3a;
  --accent-hover: #a84d30;
  --accent-soft: rgba(196, 92, 58, 0.14);
  --tech: #3d5a4c;
  --tech-soft: rgba(61, 90, 76, 0.12);
  --success: #2d6a4f;
  --success-soft: rgba(45, 106, 79, 0.12);
  --border: #e5e0d8;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 22px 44px -18px rgba(28, 24, 20, 0.16);
  --shadow-sm: 0 6px 16px -6px rgba(28, 24, 20, 0.1);
  --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
  --font-serif: "Fraunces", Georgia, "Times New Roman", serif;
  --font-sans: "Source Sans 3", "Segoe UI", sans-serif;
  --nav-h: 3.5rem;
  --tap: 44px;
  --space-section: 3.25rem;
}

html {
  scroll-padding-top: calc(var(--nav-h) + 1rem);
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* —— Internal tool pages toolbar —— */
.tool-bar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 244, 240, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.tool-bar-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0.6rem clamp(1rem, 3vw, 2rem);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
}

.tool-bar .tool-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.tool-bar .tool-links a {
  display: inline-flex;
  align-items: center;
  min-height: var(--tap);
  padding: 0.45rem 0.8rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: color 0.15s var(--ease), background 0.15s var(--ease), border-color 0.15s var(--ease);
}

.tool-bar .tool-links a:hover {
  color: var(--accent);
  background: var(--surface);
  border-color: var(--border);
}

.tool-bar .tool-links a.is-current {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: rgba(196, 92, 58, 0.28);
}

.tool-bar .tool-stat {
  margin-left: auto;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--muted);
}

.tool-bar .tool-stat strong {
  color: var(--accent);
}

/* —— Progress bar —— */
.progress-track {
  height: 6px;
  background: var(--border);
  border-radius: 999px;
  overflow: hidden;
  margin: 0 0 1.25rem;
}

.progress-track-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--tech));
  border-radius: 999px;
  transition: width 0.35s var(--ease);
}

/* —— Tool controls row —— */
.tool-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  align-items: center;
}

.tool-controls input[type="search"],
.tool-controls select {
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  font-family: inherit;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink);
  min-height: 2.5rem;
}

.tool-controls input[type="search"] {
  flex: 1;
  min-width: 10rem;
}

.tool-controls input:focus,
.tool-controls select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.tool-controls button {
  padding: 0.5rem 0.85rem;
  font-size: 0.8125rem;
  font-weight: 600;
  font-family: inherit;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  cursor: pointer;
  min-height: 2.5rem;
  color: var(--ink);
}

.tool-controls button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* —— Draft cards (email playbook) —— */
.draft-card.is-collapsed .draft-body {
  display: none;
}

.draft-card .collapse-btn {
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  font-family: inherit;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  margin-left: 0.35rem;
}

.draft-card .collapse-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.draft-card:focus-within {
  box-shadow: var(--shadow);
  border-color: rgba(196, 92, 58, 0.35);
}

/* —— Parent-company credit (visible, still secondary to Ermias Yosief) —— */
.holdings-credit {
  margin: 0.4rem 0 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.01em;
  color: #2f2a25;
}

@media (min-width: 600px) {
  .holdings-credit {
    font-size: 1.0625rem;
  }
}

.holdings-credit a {
  color: var(--accent);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 0.16em;
  text-decoration-thickness: 1.5px;
}

.holdings-credit a:hover {
  color: var(--accent-hover);
}

.holdings-credit a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.holdings-credit--signup {
  margin: 0 0 0.85rem;
}

.holdings-credit--page {
  margin: 0.15rem 0 1.15rem;
}

/* —— Footer hub (index + thanks) —— */
.footer-hub {
  margin-top: var(--space-section, 2.75rem);
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.footer-hub h2 {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.75rem;
  text-align: center;
  color: var(--muted);
}

.hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.65rem;
  margin-bottom: 1.5rem;
}

.hub-card {
  display: block;
  min-height: var(--tap);
  padding: 1rem 1.15rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s var(--ease), box-shadow 0.15s var(--ease), transform 0.15s var(--ease);
}

.hub-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.hub-card strong {
  display: block;
  font-size: 0.875rem;
  margin-bottom: 0.2rem;
  color: var(--ink);
}

.hub-card span {
  font-size: 0.75rem;
  color: var(--muted);
  line-height: 1.35;
}

/* —— Back to top —— */
.back-to-top {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 80;
  width: var(--tap);
  height: var(--tap);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ink);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.125rem;
  line-height: 1;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(0.5rem);
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease), visibility 0.2s;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--accent);
}

body.has-sticky-pad .back-to-top {
  bottom: 4.75rem;
}

/* —— Jump nav enhancements (index) —— */
.jump-nav.is-stuck {
  position: sticky;
  top: var(--nav-h);
  z-index: 40;
  margin-left: -0.5rem;
  margin-right: -0.5rem;
  padding: 0.5rem 0.5rem 0.65rem;
  background: rgba(247, 244, 240, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}

.jump-nav a.is-active {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: rgba(196, 92, 58, 0.32);
  font-weight: 700;
}

/* —— Mobile nav hamburger —— */
.nav-toggle-icon {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 1.125rem;
  height: 1rem;
}

.nav-toggle-icon span {
  display: block;
  height: 2px;
  width: 100%;
  background: currentColor;
  border-radius: 1px;
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}

.site-nav.is-menu-open .nav-toggle-icon span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-nav.is-menu-open .nav-toggle-icon span:nth-child(2) {
  opacity: 0;
}

.site-nav.is-menu-open .nav-toggle-icon span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* —— Toast —— */
.site-toast {
  position: fixed;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  z-index: 200;
  padding: 0.65rem 1.15rem;
  background: var(--ink);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 999px;
  box-shadow: var(--shadow);
  transition: transform 0.25s var(--ease);
  pointer-events: none;
}

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

body.has-sticky-pad .site-toast {
  bottom: 4.75rem;
}

/* —— Shared focus + tap targets —— */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.tool-controls button,
.tool-controls input[type="search"],
.tool-controls select,
.draft-card .collapse-btn {
  min-height: var(--tap);
}

.hub-card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.nav-list a.nav-cta:focus-visible,
.final-cta a:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

.back-to-top:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

body.nav-open {
  overflow: hidden;
}

@media (max-width: 768px) {
  body.nav-open::before {
    content: "";
    position: fixed;
    inset: 0;
    background: rgba(28, 24, 20, 0.32);
    z-index: 90;
  }
}