/* ================================================================
   MACHADO — Landing Page Stylesheet
   Hero Section · Scientific Features Grid · Live Stats Panel · Workflow Steps
   ================================================================ */

/* --- Hero Section (Scientific-Professional Vibe) --- */
.m-hero {
  position: relative;
  background-color: var(--color-text); /* Charcoal default */
  color: var(--color-text-inverse);
  padding: 4rem 1.5rem;
  text-align: center;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: var(--hero-min-height);
}

/* Subtle geometric line pattern in background */
.m-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.05;
  background-size: 30px 30px;
  background-image: 
    linear-gradient(to right, var(--color-text-inverse) 1px, transparent 1px),
    linear-gradient(to bottom, var(--color-text-inverse) 1px, transparent 1px);
  pointer-events: none;
}

.m-hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  width: 100%;
}

.m-hero-title {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-text-inverse);
  margin-bottom: 1rem;
  line-height: 1.25;
}

.m-hero-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  opacity: 0.9;
  margin-bottom: 2.25rem;
  font-weight: 400;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* --- Hero Search Input (Google / Algolia style) --- */
.m-hero-search-wrapper {
  max-width: 580px;
  width: 100%;
  margin: 0 auto 2rem auto;
}

.m-hero-search-wrapper .form-control {
  font-size: 1.1rem;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
  height: auto;
}

.m-hero-search-wrapper .form-control:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-accent-subtle);
}

.m-hero-search-wrapper .btn {
  padding: 0.85rem 1.5rem;
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  font-size: 1.1rem;
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-accent-text);
}

.m-hero-search-wrapper .btn:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}

.m-hero-meta {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  opacity: 0.8;
  margin-top: 1rem;
}

.m-hero-meta strong {
  color: var(--color-text-inverse);
}

/* --- Content Section Shared Styling --- */
.m-landing-section {
  padding: var(--section-spacing) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.m-landing-section:last-child {
  border-bottom: none;
}

.m-section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 3rem auto;
}

.m-section-header h2 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.m-section-header p {
  color: var(--color-text-muted);
  font-size: 1rem;
}

/* --- Features Grid (Scientific cards) --- */
.m-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.m-feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.m-feature-card:hover {
  transform: translateY(var(--card-hover-translate));
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.m-feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background-color: var(--color-accent-subtle);
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 1.25rem;
}

.m-feature-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.m-feature-card p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 1rem;
  flex-grow: 1;
}

.m-feature-link {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

/* --- Live Stats Panel --- */
.m-stats-section {
  background-color: var(--color-surface-alt);
}

.m-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  text-align: center;
}

.m-stat-card {
  padding: 1.5rem;
}

.m-stat-number {
  font-size: var(--stats-counter-size);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 0.5rem;
  font-family: var(--font-sans);
}

.m-stat-label {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.m-stat-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

/* --- Workflow Steps (Horizontal flow) --- */
.m-steps-flow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2.5rem;
  position: relative;
}

/* Horizontal connector line on larger screens */
@media (min-width: 768px) {
  .m-steps-flow::before {
    content: "";
    position: absolute;
    top: calc(var(--step-indicator-size) / 2);
    left: 10%;
    right: 10%;
    height: 1px;
    background-color: var(--color-border);
    z-index: 1;
  }
}

.m-step-card {
  position: relative;
  z-index: 2;
  text-align: center;
}

.m-step-indicator {
  width: var(--step-indicator-size);
  height: var(--step-indicator-size);
  border-radius: 50%;
  background-color: var(--color-surface);
  border: 2px solid var(--color-border);
  color: var(--color-text-muted);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  transition: all var(--transition-base);
}

.m-step-card:hover .m-step-indicator {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-accent-text);
}

.m-step-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.m-step-card p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* --- Entrance Animations --- */
.m-fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.m-fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Release Notes Accordion --- */
.m-release-notes {
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.m-release-accordion {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.m-release-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.m-release-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.m-release-header {
  margin: 0;
}

.m-release-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 1rem 1.25rem;
  border: none;
  background: transparent;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-text);
  transition: background-color var(--transition-base);
}

.m-release-toggle:hover {
  background-color: var(--color-surface-alt);
}

.m-release-toggle:focus {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--color-accent-subtle);
}

.m-release-title-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.m-release-version {
  display: inline-block;
  padding: 0.2em 0.6em;
  font-size: 0.82rem;
  font-weight: 600;
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  background-color: var(--color-accent);
  color: var(--color-accent-text);
  border-radius: var(--radius-sm);
  letter-spacing: 0.02em;
  line-height: 1.4;
}

.m-release-date {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  font-weight: 400;
}

.m-release-chevron {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  transition: transform 0.25s ease;
  flex-shrink: 0;
}

/* Rotate chevron when expanded */
.m-release-toggle:not(.collapsed) .m-release-chevron {
  transform: rotate(180deg);
}

.m-release-body {
  padding: 0 1.25rem 1.25rem 1.25rem;
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}