/* ═══════════════════════════════════════════════
   BizWidgets — styles.css
   Aesthetic: Refined editorial minimalism
   ═══════════════════════════════════════════════ */

:root {
  --bg: #fafaf9;
  --bg-alt: #f2f1ef;
  --surface: #ffffff;
  --text: #1a1a1a;
  --text-secondary: #6b6b6b;
  --accent: #1a1a1a;
  --accent-hover: #333333;
  --border: #e5e4e1;
  --border-light: #eeedeb;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.06);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.08);
  --font-body: 'DM Sans', -apple-system, sans-serif;
  --font-display: 'Instrument Serif', Georgia, serif;
  --font-mono: 'JetBrains Mono', monospace;
  --max-width: 1120px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
img { max-width: 100%; display: block; }
code {
  font-family: var(--font-mono);
  font-size: 0.82em;
  background: var(--bg-alt);
  padding: 2px 7px;
  border-radius: 4px;
  border: 1px solid var(--border);
}

/* ═══ NAVBAR ═══ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 250, 249, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  transition: background var(--transition);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-mark {
  font-size: 1.2rem;
  color: var(--accent);
}

.logo-text {
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.nav-links a:hover {
  color: var(--text);
}

/* ═══ HAMBURGER ═══ */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  flex-direction: column;
  gap: 5px;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ═══ BUTTONS ═══ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.88rem;
  font-weight: 500;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  letter-spacing: -0.01em;
}

.btn-primary {
  background: var(--text);
  color: var(--bg);
}

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

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  background: var(--surface);
  border-color: var(--text);
}

.btn-configure {
  width: 100%;
  padding: 10px 18px;
  background: #888888;
  color: #ffffff;
  font-size: 0.82rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  margin-top: 16px;
}

.btn-configure:hover {
  background: #888888;
  transform: translateY(-1px);
}

.btn-copy {
  padding: 10px 20px;
  background: var(--text);
  color: var(--bg);
  font-size: 0.82rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: all var(--transition);
}

.btn-copy:hover {
  background: var(--accent-hover);
}

.btn-copy.copied {
  background: #2d8a4e;
}

/* ═══ HERO ═══ */
.hero {
  padding: 120px 32px 40px;
  text-align: center;
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  font-weight: 400;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 22px;
  opacity: 0;
  animation: fadeUp 0.7s ease 0.2s forwards;
}

.hero-title em {
  font-style: italic;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto 32px;
  line-height: 1.6;
  opacity: 0;
  animation: fadeUp 0.6s ease 0.35s forwards;
}

.hero-sub-detail {
  font-size: 0.88rem;
  max-width: 600px;
  margin-top: -16px;
  animation-delay: 0.5s;
}

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  opacity: 0;
  animation: fadeUp 0.6s ease 0.45s forwards;
}

/* ── Hero Previews ── */
.hero-previews {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 18px;
  margin-top: 48px;
  max-width: 840px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.6s forwards;
}

.preview-card {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 24px;
  text-align: left;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.preview-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.preview-label {
  font-size: 0.58rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.preview-quote-text {
  font-family: var(--font-display);
  font-size: 1rem;
  font-style: italic;
  line-height: 1.5;
  margin-bottom: 12px;
}

.preview-attr {
  font-size: 0.7rem;
  color: var(--text-secondary);
}

/* Progress preview */
.preview-bar-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.preview-bar-row:last-child { margin-bottom: 0; }

.preview-bar-label {
  font-size: 0.7rem;
  font-weight: 500;
  width: 70px;
  flex-shrink: 0;
}

.preview-track {
  flex: 1;
  height: 6px;
  background: var(--bg-alt);
  border-radius: 3px;
  overflow: hidden;
}

.preview-fill {
  height: 100%;
  background: var(--text);
  border-radius: 3px;
  transition: width 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.preview-bar-pct {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-secondary);
  width: 32px;
  text-align: right;
}

/* Countdown preview */
.preview-countdown-nums {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 8px;
}

.preview-unit { text-align: center; }

.preview-num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 600;
  display: block;
  line-height: 1.1;
}

.preview-unit-label {
  font-size: 0.55rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-secondary);
  margin-top: 4px;
  display: block;
}

.preview-colon {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--text-secondary);
  opacity: 0.3;
  padding-bottom: 16px;
}

/* ═══ SECTION TITLES ═══ */
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  text-align: center;
  margin-bottom: 12px;
}

.section-sub {
  font-size: 1rem;
  color: var(--text-secondary);
  text-align: center;
  max-width: 480px;
  margin: 0 auto 48px;
}

/* ═══ INTRO BLURB ═══ */
.intro-blurb {
  padding: 0 32px 20px;
}

.intro-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.intro-inner p {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto;
}

/* ═══ FEATURES / HOW IT WORKS ═══ */
.features {
  padding: 60px 32px;
  background: var(--surface);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.features-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.step {
  text-align: center;
  padding: 0 12px;
}

.step-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}

.step h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.step p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ═══ WIDGET GRID ═══ */
.widget-grid-section {
  padding: 60px 32px 100px;
  background: var(--surface);
  border-top: 1px solid var(--border-light);
}

.grid-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.widget-group {
  margin-bottom: 40px;
}

.widget-group:last-child {
  margin-bottom: 0;
}

.widget-group-header {
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-subtle);
  text-align: center;
  padding-bottom: 0;
  margin-bottom: 12px;
}

.widget-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.widget-card {
  background: var(--bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.widget-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.card-preview {
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border-light);
}

.card-preview-quote { background: #e8eef6; }
.card-preview-progress { background: #ede8f4; }
.card-preview-countdown { background: #f4e8eb; }
.card-preview-prompt { background: #e8f4ee; }
.card-preview-coming { background: #f4f0e4; }
.card-preview-meeting { background: #f0ebe4; }
.card-preview-vacancy { background: #e4f0f0; }
.card-preview-downtime { background: #f0e4e4; }
.card-preview-aiusecases { background: #e4e8f0; }
.card-preview-airoi { background: #e0f0e6; }
.card-preview-aiglossary { background: #e8e0f0; }
.card-preview-emoji { background: #f0eee4; }
.card-preview-emojitech { background: #e4eef0; }
.card-preview-acronym { background: #eae4f2; }
.card-preview-framework { background: #f2e4ee; }
.card-preview-techtoday { background: #e4eeef; }

.card-icon {
  font-size: 2.8rem;
  filter: brightness(1.2) saturate(0.9);
  transition: transform var(--transition);
}

.widget-card:hover .card-icon {
  transform: scale(1.1);
}

.card-body {
  padding: 22px 24px 24px;
}

.card-body h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.card-body p {
  font-size: 0.84rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 12px;
}

.widget-coming-soon {
  opacity: 0.6;
}

.widget-coming-soon .card-body h3::after {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background: #c88a1a;
  border-radius: 50%;
  margin-left: 8px;
  position: relative;
  top: -2px;
}

/* ═══ FOOTER ═══ */
.footer {
  padding: 32px;
  border-top: 1px solid var(--border-light);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-left .logo-mark {
  font-size: 0.82rem;
}

.footer-left .logo-text {
  font-size: 0.82rem;
}

.footer-copy {
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-left: 12px;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  font-size: 0.82rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--text);
}

.footer-tagline {
  max-width: var(--max-width);
  margin: 12px auto 0;
  padding: 12px 32px 0;
  border-top: 1px solid var(--border-light);
  text-align: center;
}

.footer-tagline p {
  font-size: 0.72rem;
  color: var(--text-secondary);
  opacity: 0.6;
}

/* ═══ MODAL ═══ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--surface);
  border-radius: 14px;
  width: 100%;
  max-width: 620px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 32px;
  position: relative;
  transform: translateY(16px) scale(0.98);
  transition: transform 0.3s ease;
  box-shadow: 0 24px 80px rgba(0,0,0,0.15);
}

.modal-overlay.open .modal {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 20px;
  font-size: 1.6rem;
  color: var(--text-secondary);
  transition: color var(--transition);
  line-height: 1;
}

.modal-close:hover {
  color: var(--text);
}

.modal-header h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 400;
  margin-bottom: 4px;
}

.modal-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.modal-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-group label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
}

.form-group select,
.form-group input[type="text"],
.form-group input[type="date"],
.form-group input[type="time"],
.form-group input[type="number"] {
  font-family: var(--font-body);
  font-size: 0.85rem;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  transition: border-color var(--transition);
  outline: none;
  width: 100%;
}

.form-group select:focus,
.form-group input:focus {
  border-color: var(--text);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  cursor: pointer;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.checkbox-label:has(input:checked) {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}

.checkbox-label input {
  display: none;
}

/* ── Modal Footer ── */
.modal-footer {
  border-top: 1px solid var(--border-light);
  padding-top: 16px;
}

.modal-url-wrap {
  margin-bottom: 14px;
}

.modal-url-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.modal-url-row {
  display: flex;
  gap: 8px;
}

.modal-url {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  outline: none;
}

.modal-preview-wrap {
  padding: 0 24px;
  margin-bottom: 16px;
}

.modal-preview-iframe {
  width: 100%;
  height: 420px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  background: var(--bg);
}

.form-group textarea {
  font-family: var(--font-body);
  font-size: 0.85rem;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  transition: border-color var(--transition);
  outline: none;
  width: 100%;
  resize: vertical;
}

.form-group textarea:focus {
  border-color: var(--text);
}

.contact-footer {
  padding-top: 4px;
}

.contact-footer .btn {
  width: 100%;
}

.contact-status {
  font-size: 0.82rem;
  padding: 8px 0 0;
  text-align: center;
}

.contact-status.success {
  color: #2d8a4e;
}

.contact-status.error {
  color: #c44;
}

/* ═══ ANIMATIONS ═══ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ═══ RESPONSIVE ═══ */
@media (max-width: 900px) {
  .hero-previews {
    grid-template-columns: 1fr;
    max-width: 380px;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .widget-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .hero { padding: 120px 20px 40px; }
  .hero-actions { flex-direction: column; align-items: center; }

  .hamburger { display: flex; }

  .nav-links {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: rgba(250, 250, 249, 0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-light);
    flex-direction: column;
    padding: 12px 32px 20px;
    gap: 0;
  }

  .nav-links.open { display: flex; }

  .nav-links a {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.95rem;
  }

  .nav-links a:last-child { border-bottom: none; }

  .widget-grid { grid-template-columns: 1fr; }

  .form-row { grid-template-columns: 1fr; }

  .modal { padding: 24px; }

  .footer-inner { flex-direction: column; gap: 16px; text-align: center; }
  .footer-left { flex-direction: column; }
  .footer-copy { margin-left: 0; }
}