/* ==============================================
   OnWave Lab — Unified Layer Section Styles
   Scoped to .ul-* to avoid bleeding into main site
   Inherits global.css design tokens; adds indigo accent
   ============================================== */

/* ---- Unified Layer Design Tokens ---- */

.ul-hero,
.ul-tabs,
.ul-track,
.ul-service-menu,
.ul-process,
.ul-stakes,
.ul-btn--primary,
.ul-btn--outline {
  --ul-accent: #6366f1;
  --ul-accent-hover: #818cf8;
  --ul-accent-text: #a5b4fc; /* light indigo — readable on dark backgrounds */
  --ul-accent-glow: rgba(99, 102, 241, 0.25);
  --ul-accent-subtle: rgba(99, 102, 241, 0.08);
}

/* ============================================== */
/* ---- Hero ---- */
/* ============================================== */

.ul-hero {
  background-color: var(--color-dark-bg);
  padding-top: calc(var(--nav-height) + var(--section-py));
  padding-bottom: var(--section-py);
  padding-left: var(--section-px);
  padding-right: var(--section-px);
  text-align: center;
  color: var(--color-dark-text);
}

.ul-hero__inner {
  max-width: var(--container-narrow);
  margin: 0 auto;
}

/* Title */
.ul-hero__title {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: 1000;
  line-height: var(--leading-tight);
  margin-bottom: var(--space-6);
  color: var(--color-dark-text);
}

/* Subtitle */
.ul-hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-dark-muted);
  line-height: var(--leading-relaxed);
  max-width: var(--container-text);
  margin: 0 auto var(--space-10);
}

/* CTA row */
.ul-hero__ctas {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================== */
/* ---- Buttons ---- */
/* ============================================== */

.ul-btn--primary {
  display: inline-block;
  padding: var(--space-3) var(--space-8);
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-base);
  cursor: pointer;
  border: none;
  text-align: center;
  background: linear-gradient(135deg, var(--ul-accent), var(--ul-accent-hover));
  color: #ffffff;
  transition:
    box-shadow var(--duration-normal),
    transform var(--duration-fast),
    opacity var(--duration-normal);
}

.ul-btn--primary:hover {
  box-shadow: 0 0 24px var(--ul-accent-glow);
  transform: translateY(-1px);
  opacity: 0.92;
}

.ul-btn--outline {
  display: inline-block;
  padding: var(--space-3) var(--space-8);
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-base);
  cursor: pointer;
  text-align: center;
  background: transparent;
  border: 2px solid var(--color-dark-border);
  color: var(--color-dark-text);
  transition:
    border-color var(--duration-normal),
    color var(--duration-normal),
    transform var(--duration-fast);
}

.ul-btn--outline:hover {
  border-color: var(--ul-accent);
  color: var(--ul-accent-hover);
  transform: translateY(-1px);
}

/* ============================================== */
/* ---- Audience Tabs ---- */
/* ============================================== */

.ul-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  padding: var(--space-8) var(--section-px) 0;
  border-bottom: 1px solid var(--color-dark-border);
}

.ul-tab {
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-sm);
  cursor: pointer;
  background: transparent;
  border: 1px solid transparent;
  border-bottom: none;
  color: var(--color-dark-muted);
  transition:
    color var(--duration-normal),
    background-color var(--duration-normal),
    border-color var(--duration-normal);
  position: relative;
  bottom: -1px;
}

.ul-tab:hover {
  color: var(--ul-accent-text);
  background: var(--ul-accent-subtle);
}

.ul-tab--active {
  color: var(--ul-accent-text);
  background: var(--color-dark-card);
  border-color: var(--color-dark-border);
  border-bottom-color: var(--color-dark-bg);
}

/* ---- Tab Content Tracks ---- */

.ul-track {
  display: none;
}

.ul-track--active {
  display: block;
}

/* ============================================== */
/* ---- Service Menu ---- */
/* ============================================== */

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

.ul-service-card {
  background: var(--color-dark-card);
  border: 1px solid var(--color-dark-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--duration-normal),
    box-shadow var(--duration-normal),
    border-color var(--duration-normal);
}

.ul-service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(99, 102, 241, 0.3);
}

/* Circular number badge */
.ul-service-card__number {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--ul-accent-subtle);
  border: 2px solid rgba(99, 102, 241, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--ul-accent-text);
  margin-bottom: var(--space-4);
  flex-shrink: 0;
}

.ul-service-card__title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-3);
  color: var(--color-dark-text);
}

.ul-service-card__text {
  color: var(--color-dark-muted);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
}

/* ============================================== */
/* ---- Process (vertical 3-step) ---- */
/* ============================================== */

.ul-process {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
}

.ul-process__step {
  display: flex;
  gap: var(--space-6);
  padding-bottom: var(--space-12);
  position: relative;
}

.ul-process__step:last-child {
  padding-bottom: 0;
}

/* Numbered circle */
.ul-process__num {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--ul-accent-subtle);
  border: 2px solid rgba(99, 102, 241, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--ul-accent-text);
  flex-shrink: 0;
  position: relative;
  z-index: 2;
  transition:
    background-color var(--duration-slow),
    border-color var(--duration-slow),
    color var(--duration-slow);
}

/* Vertical connector line between steps */
.ul-process__connector {
  position: absolute;
  left: 23px;
  top: 48px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(
    to bottom,
    rgba(99, 102, 241, 0.4),
    rgba(99, 102, 241, 0.08)
  );
}

.ul-process__body {
  padding-top: var(--space-2);
}

.ul-process__body h3 {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-dark-text);
}

.ul-process__body p {
  color: var(--color-dark-muted);
  line-height: var(--leading-relaxed);
}

/* ============================================== */
/* ---- Stakes (2-column failure / success) ---- */
/* ============================================== */

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

.ul-stakes__card {
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  border: 1px solid transparent;
}

/* Failure variant — red */
.ul-stakes__card--failure {
  background: var(--color-danger-subtle);
  border-color: rgba(248, 113, 113, 0.25);
}

/* Success variant — green */
.ul-stakes__card--success {
  background: var(--color-success-subtle);
  border-color: rgba(74, 222, 128, 0.25);
}

.ul-stakes__card h3 {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-6);
}

.ul-stakes__card--failure h3 {
  color: var(--color-danger);
}

.ul-stakes__card--success h3 {
  color: var(--color-success);
}

.ul-stakes__card ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* List items with X / checkmark prefix */
.ul-stakes__card--failure ul li,
.ul-stakes__card--success ul li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
}

.ul-stakes__card--failure ul li::before {
  content: "\2715"; /* ✕ */
  color: var(--color-danger);
  font-weight: 700;
  flex-shrink: 0;
  line-height: var(--leading-tight);
  margin-top: 0.2em;
}

.ul-stakes__card--success ul li::before {
  content: "\2713"; /* ✓ */
  color: var(--color-success);
  font-weight: 700;
  flex-shrink: 0;
  line-height: var(--leading-tight);
  margin-top: 0.2em;
}

.ul-stakes__card--failure ul li,
.ul-stakes__card--success ul li {
  color: var(--color-dark-text);
}

/* ============================================== */
/* ---- Responsive Breakpoints ---- */
/* ============================================== */

/* 768px — tablets */
@media (max-width: 768px) {
  /* Service menu: 3 → 2 columns */
  .ul-service-menu {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Stakes: 2 → 1 column */
  .ul-stakes {
    grid-template-columns: 1fr;
  }
}

/* 480px — mobile */
@media (max-width: 480px) {
  /* Service menu: 2 → 1 column */
  .ul-service-menu {
    grid-template-columns: 1fr;
  }

  /* Hero CTAs: row → column */
  .ul-hero__ctas {
    flex-direction: column;
    align-items: stretch;
  }

  .ul-btn--primary,
  .ul-btn--outline {
    width: 100%;
    text-align: center;
  }

  /* Tabs: flex-row → column */
  .ul-tabs {
    flex-direction: column;
    align-items: stretch;
    padding-bottom: 0;
    border-bottom: none;
    gap: var(--space-1);
  }

  .ul-tab {
    border-radius: var(--radius-md);
    border: 1px solid var(--color-dark-border);
    bottom: 0;
    text-align: center;
  }

  .ul-tab--active {
    background: var(--ul-accent-subtle);
    border-color: rgba(99, 102, 241, 0.35);
  }
}