/* ============================================================
   BASE
   ------------------------------------------------------------
   Global element styles, shared primitives (buttons, badges,
   cards, forms, tables), section scaffolding, and animations.
   Depends on: tokens.css
   ============================================================ */

html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 12% 8%, rgba(95,200,224,0.18), transparent 28vw),
    radial-gradient(circle at 88% 18%, rgba(245,201,59,0.14), transparent 30vw),
    var(--wb-bg);
  font-family: var(--wb-font-body);
  color: var(--wb-ink-600);
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--wb-link); }
a:hover { color: var(--wb-cyan-700); }
h1, h2, h3, h4 { font-family: var(--wb-font-display); color: var(--wb-ink-900); }
img { max-width: 100%; display: block; }

/* Lucide icon placed inline with text (data-lucide is swapped for an SVG by main.js) */
.wb-icon { color: var(--wb-primary); flex: none; vertical-align: -0.18em; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px;
  padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- Animations ---------- */
@keyframes wbFade { from { opacity: 0; } to { opacity: 1; } }
@keyframes wbPop { 0% { opacity: 0; transform: scale(0.92) translateY(10px); } 100% { opacity: 1; transform: scale(1) translateY(0); } }
@keyframes wbFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
@keyframes wbShimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }
@keyframes wbDrift { 0%, 100% { transform: translate3d(0,0,0) scale(1); } 50% { transform: translate3d(12px,-10px,0) scale(1.03); } }
@keyframes wbPulse { 0%, 100% { opacity: 0.16; transform: scale(1); } 50% { opacity: 0.04; transform: scale(1.28); } }
@keyframes wbDraw { to { stroke-dashoffset: 0; } }

/* Scroll reveal — elements fade + slide up as they enter the viewport.
   main.js adds .is-in once, via IntersectionObserver. The hidden state is
   scoped to (scripting: enabled) so that with JS off — or on browsers that
   don't support the query — content renders visible (SEO / no-JS safe) and
   there's no flash of content before the script runs. */
@media (scripting: enabled) {
  [data-reveal] {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity var(--wb-dur-slow) var(--wb-ease-soft),
                transform var(--wb-dur-slow) var(--wb-ease-soft);
    transition-delay: var(--reveal-delay, 0ms);
  }
  [data-reveal].is-in { opacity: 1; transform: none; }
  /* Stagger: children of [data-reveal-stagger] cascade. main.js sets --i. */
  [data-reveal-stagger] > * {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity var(--wb-dur-slow) var(--wb-ease-soft),
                transform var(--wb-dur-slow) var(--wb-ease-soft);
    transition-delay: calc(var(--i, 0) * 60ms);
  }
  [data-reveal-stagger].is-in > * { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
  }
  html { scroll-behavior: auto; }
  /* Reveal targets must never stay hidden when motion is off. */
  [data-reveal], [data-reveal-stagger] > *, [data-hero-reveal] { opacity: 1 !important; transform: none !important; }
}

/* ---------- Layout scaffolding ---------- */
.wb-container { max-width: 1160px; margin: 0 auto; }
.section { padding: 92px 32px; position: relative; }
.section-tint {
  background: var(--wb-surface-tint);
  position: relative;
  overflow: hidden;
}
.section-tint::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--wb-texture-dots);
  background-size: var(--wb-texture-size);
  opacity: 0.5;
  pointer-events: none;
}
.section-tint::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 56px;
  background: var(--wb-bg);
  clip-path: path("M0,36 C240,66 420,6 720,24 C1020,42 1200,12 1440,32 L1440,56 L0,56 Z");
  pointer-events: none;
  opacity: 0.85;
}
.section-tint > * { position: relative; z-index: 1; }
@media (max-width: 719.98px) { .section { padding: 64px 20px; } }

.kicker {
  font-family: var(--wb-font-display); font-weight: 700; font-size: 14px;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--wb-cyan-600); margin: 0;
}
.section-title { font-weight: 800; font-size: clamp(27px, 3.5vw, 34px); margin: 12px 0 0; }
.section-sub { font-size: 16px; color: var(--wb-ink-600); margin-top: 12px; text-wrap: pretty; }
.section-head-center { text-align: center; margin-bottom: 48px; }
.section-more { text-align: center; margin-top: 40px; }
.section-note { font-size: 13px; color: var(--wb-ink-500); margin-top: 20px; line-height: 1.7; }

/* ---------- Buttons ---------- */
.wb-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 24px; min-height: 44px;
  font-family: var(--wb-font-body); font-size: 16px; font-weight: 800; line-height: 1;
  border-radius: var(--wb-radius-pill); border: 1.5px solid transparent;
  cursor: pointer; text-decoration: none; box-sizing: border-box;
  transition: background var(--wb-dur-fast) var(--wb-ease-standard),
              transform var(--wb-dur-fast) var(--wb-ease-spring),
              border-color var(--wb-dur-fast) var(--wb-ease-standard),
              box-shadow var(--wb-dur-fast) var(--wb-ease-standard);
}
.wb-btn:active:not(:disabled) { transform: scale(0.97); }
.wb-btn-sm { padding: 8px 16px; min-height: 36px; font-size: 14px; gap: 6px; }
.wb-btn-lg { padding: 16px 32px; min-height: 54px; font-size: 18px; gap: 10px; }
.wb-btn-primary { background: var(--wb-primary); color: #fff; box-shadow: var(--wb-shadow-sm); }
.wb-btn-primary:hover:not(:disabled) { background: var(--wb-cyan-600); color: #fff; transform: translateY(-2px); box-shadow: var(--wb-shadow-md); }
.wb-btn-primary:active:not(:disabled) { background: var(--wb-cyan-700); }
.wb-btn-sun {
  background: var(--wb-sun-400);
  color: var(--wb-ink-900);
  box-shadow: var(--wb-shadow-sm);
}
.wb-btn-sun:hover:not(:disabled) {
  background: var(--wb-sun-500);
  color: var(--wb-ink-900);
  transform: translateY(-2px);
  box-shadow: var(--wb-shadow-md);
}
.wb-btn-sun:active:not(:disabled) { background: var(--wb-sun-500); }
.wb-btn[href*="trial.html"] {
  background: var(--wb-sun-400);
  color: var(--wb-ink-900);
  border-color: transparent;
  box-shadow: var(--wb-shadow-sm);
}
.wb-btn[href*="trial.html"]:hover:not(:disabled) {
  background: var(--wb-sun-500);
  color: var(--wb-ink-900);
  transform: translateY(-2px);
  box-shadow: var(--wb-shadow-md);
}
.wb-btn-secondary { background: var(--wb-surface); color: var(--wb-cyan-700); border-color: var(--wb-ink-200); }
.wb-btn-secondary:hover:not(:disabled) { background: var(--wb-surface-muted); color: var(--wb-cyan-700); }
.wb-btn-secondary:active:not(:disabled) { background: var(--wb-cyan-50); }
.wb-btn-ghost { background: transparent; color: var(--wb-cyan-700); }
.wb-btn-ghost:hover:not(:disabled) { background: var(--wb-surface-muted); color: var(--wb-cyan-700); }
.wb-btn-line { background: #06c755; color: #fff; box-shadow: var(--wb-shadow-sm); } /* LINE brand green */
.wb-btn-line:hover:not(:disabled) { background: #05b34c; color: #fff; }
.wb-btn:disabled { background: var(--wb-ink-100); color: var(--wb-ink-400); border-color: transparent; box-shadow: none; cursor: not-allowed; }
.wb-btn-full { width: 100%; }

/* ---------- Badges ---------- */
.wb-badge {
  display: inline-flex; align-items: center; gap: 5px; padding: 4px 12px;
  font-size: 13px; font-weight: 700; line-height: 1.4;
  border-radius: var(--wb-radius-pill);
}
.wb-badge-brand { background: var(--wb-cyan-50); color: var(--wb-cyan-700); }
.wb-badge-success { background: var(--wb-success-bg); color: var(--wb-success-ink); }

/* ---------- Cards ---------- */
.wb-card {
  background: var(--wb-surface); border-radius: var(--wb-radius-xl);
  border: 1px solid var(--wb-border-soft);
  box-shadow: var(--wb-shadow-sm);
  transition: box-shadow var(--wb-dur-base) var(--wb-ease-soft), transform var(--wb-dur-base) var(--wb-ease-soft);
}
.wb-card-interactive { cursor: pointer; }
.wb-card-interactive:hover { box-shadow: var(--wb-shadow-md); transform: translateY(-3px); }

/* ---------- Avatar (initials fallback) ---------- */
.wb-avatar {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: var(--wb-radius-pill);
  background: var(--wb-cyan-100); color: var(--wb-cyan-700);
  font-family: var(--wb-font-display); font-weight: 700; font-size: 12px;
  flex: none; box-shadow: inset 0 0 0 2px var(--wb-surface);
}

/* ---------- Image placeholder slots (swap for real photos) ---------- */
.img-slot {
  width: 100%; height: 100%;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px;
  background: linear-gradient(135deg, var(--wb-cyan-50) 0%, var(--wb-surface-muted) 55%, var(--wb-cyan-100) 100%);
  color: var(--wb-ink-400); font-size: 13px; font-weight: 700; text-align: center; padding: 12px;
  box-sizing: border-box;
}

/* ---------- Tables ---------- */
.wb-table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: var(--wb-radius-lg); box-shadow: var(--wb-shadow-xs); }
.wb-table {
  width: 100%; border-collapse: collapse; background: var(--wb-surface);
  font-size: 14.5px; min-width: 560px;
}
.wb-table th, .wb-table td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--wb-ink-100); }
.wb-table thead th {
  background: var(--wb-cyan-800); color: #fff;
  font-family: var(--wb-font-display); font-weight: 700; font-size: 13.5px; white-space: nowrap;
}
.wb-table tbody th { font-weight: 800; color: var(--wb-ink-800); white-space: nowrap; }
.wb-table tbody tr:last-child th, .wb-table tbody tr:last-child td { border-bottom: none; }
.wb-table tbody tr:nth-child(even) { background: var(--wb-surface-tint); }
.wb-table .num { font-family: var(--wb-font-display); font-weight: 700; color: var(--wb-ink-800); white-space: nowrap; }

/* ---------- Forms ---------- */
.field { display: flex; flex-direction: column; gap: 6px; }
.field label, .field .lbl { font-size: 14px; font-weight: 700; color: var(--wb-ink-700); }
.field input, .field textarea, .field select {
  width: 100%; box-sizing: border-box; padding: 12px 16px;
  font-family: var(--wb-font-body); font-size: 16px; color: var(--wb-ink-700);
  background: var(--wb-surface); border: 1.5px solid var(--wb-ink-200); border-radius: var(--wb-radius-md);
  outline: none;
  transition: border-color var(--wb-dur-fast) var(--wb-ease-standard), box-shadow var(--wb-dur-fast) var(--wb-ease-standard);
}
.field textarea { font-size: 15px; line-height: 1.7; color: var(--wb-ink-800); resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--wb-primary); box-shadow: var(--wb-focus-ring); }
.field input::placeholder, .field textarea::placeholder { color: var(--wb-ink-400); }
.field .lbl { margin-bottom: 2px; }

.chips { display: flex; gap: 10px; flex-wrap: wrap; }
.chip {
  padding: 10px 18px; cursor: pointer; font-family: inherit; font-weight: 700; font-size: 14px;
  border-radius: var(--wb-radius-pill); border: 1.5px solid var(--wb-ink-200);
  background: var(--wb-surface); color: var(--wb-ink-600);
  transition: background var(--wb-dur-fast) var(--wb-ease-standard),
              color var(--wb-dur-fast) var(--wb-ease-standard),
              border-color var(--wb-dur-fast) var(--wb-ease-standard),
              transform var(--wb-dur-fast) var(--wb-ease-spring);
}
.chip.on { border-color: var(--wb-primary); background: var(--wb-cyan-50); color: var(--wb-cyan-700); }
.chip:active { transform: scale(0.96); }

.campus-btns { display: flex; gap: 10px; }
.campus-btn {
  flex: 1; padding: 12px; cursor: pointer; font-family: inherit; font-weight: 700; font-size: 14px;
  border-radius: var(--wb-radius-md); border: 1.5px solid var(--wb-ink-200);
  background: var(--wb-surface); color: var(--wb-ink-600);
  transition: background var(--wb-dur-fast) var(--wb-ease-standard),
              color var(--wb-dur-fast) var(--wb-ease-standard),
              border-color var(--wb-dur-fast) var(--wb-ease-standard),
              transform var(--wb-dur-fast) var(--wb-ease-spring);
}
.campus-btn.on { border-color: var(--wb-primary); background: var(--wb-cyan-50); color: var(--wb-cyan-700); }
.campus-btn:active { transform: scale(0.97); }

.wb-checkbox { display: inline-flex; align-items: center; gap: 10px; font-size: 15px; color: var(--wb-ink-700); cursor: pointer; }
.wb-checkbox input { position: absolute; opacity: 0; width: 22px; height: 22px; margin: 0; cursor: inherit; }
.wb-checkbox .box-wrap { position: relative; display: inline-flex; flex: none; }
.wb-checkbox .box {
  width: 22px; height: 22px; border-radius: 7px; box-sizing: border-box;
  background: var(--wb-surface); border: 1.5px solid var(--wb-ink-300);
  display: inline-flex; align-items: center; justify-content: center;
  transition: background var(--wb-dur-fast) var(--wb-ease-spring),
              border-color var(--wb-dur-fast) var(--wb-ease-spring),
              transform var(--wb-dur-fast) var(--wb-ease-spring);
}
.wb-checkbox input:active + .box { transform: scale(0.9); }
.wb-checkbox .box svg { display: none; }
.wb-checkbox input:checked + .box { background: var(--wb-primary); border-color: var(--wb-primary); }
.wb-checkbox input:checked + .box svg { display: block; }

.form-note { font-size: 12.5px; color: var(--wb-ink-500); margin: 0; text-align: center; line-height: 1.7; }
.form-success { text-align: center; padding: 24px 0; display: none; }
.form-success .check-circle {
  display: inline-flex; width: 64px; height: 64px; border-radius: var(--wb-radius-squish);
  background: var(--wb-success-bg); align-items: center; justify-content: center;
}
.form-success h3 { font-weight: 800; font-size: 24px; margin: 18px 0 8px; }
.form-success p { font-size: 15px; line-height: 1.75; margin: 0; }
.form-card.sent form { display: none; }
.form-card.sent .form-success { display: block; }
.form-success::before,
.form-success::after {
  content: "";
  display: block;
  width: 8px; height: 8px;
  border-radius: 50%;
  margin: 0 auto;
  background: var(--wb-sun-400);
  box-shadow:
    -42px 22px 0 var(--wb-level-1-seed),
    38px 18px 0 var(--wb-level-4-tree),
    -24px -4px 0 var(--wb-level-6-leader),
    28px -8px 0 var(--wb-level-7-master);
  opacity: 0;
}

/* Success entrance — the emotional peak of a signup, so a touch more
   playful. Check pops in, then heading + text fade up in sequence. */
.form-card.sent .check-circle { animation: wbCheckPop 480ms var(--wb-ease-spring) both; }
.form-card.sent .form-success h3 { animation: wbRiseIn 360ms var(--wb-ease-soft) 160ms both; }
.form-card.sent .form-success p { animation: wbRiseIn 360ms var(--wb-ease-soft) 260ms both; }
.form-card.sent .form-success::before,
.form-card.sent .form-success::after { animation: wbConfetti 700ms var(--wb-ease-soft) both; }
@keyframes wbCheckPop {
  0% { opacity: 0; transform: scale(0.4); }
  60% { opacity: 1; transform: scale(1.08); }
  100% { opacity: 1; transform: scale(1); }
}
@keyframes wbRiseIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes wbConfetti {
  0% { opacity: 0; transform: translateY(20px) scale(0.5); }
  45% { opacity: 1; }
  100% { opacity: 0; transform: translateY(-18px) scale(1); }
}