@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;600;700&family=Noto+Sans+TC:wght@300;400;500;700&display=swap');

:root {
  --bg: #0b0d12;
  --bg-2: #0f1220;
  --card: rgba(255, 255, 255, 0.05);
  --card-strong: rgba(255, 255, 255, 0.09);
  --text: #e7ecf4;
  --muted: #9aa5b1;
  --accent: #00f5d4;
  --accent-2: #ff7a00;
  --accent-3: #b8f500;
  --line: rgba(255, 255, 255, 0.08);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Space Grotesk', 'Noto Sans TC', system-ui, sans-serif;
  background: radial-gradient(1200px 800px at 15% -10%, rgba(0, 245, 212, 0.2), transparent 70%),
    radial-gradient(1200px 800px at 85% -20%, rgba(255, 122, 0, 0.2), transparent 70%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

a {
  color: inherit;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: url('../svg/noise.svg');
  opacity: 0.08;
  z-index: 0;
  pointer-events: none;
}

canvas#starfield {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

main, nav, footer {
  position: relative;
  z-index: 2;
}

nav {
  position: sticky;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 6vw;
  background: rgba(11, 13, 18, 0.7);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  gap: 18px;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0.5px;
}

.brand img {
  width: 34px;
  height: 34px;
}

.nav-links {
  display: flex;
  gap: 26px;
  list-style: none;
  align-items: center;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
}

.nav-links .btn {
  padding: 10px 22px;
  font-size: 0.9rem;
  white-space: nowrap;
}

.nav-links .btn-ghost,
.nav-links .btn {
  color: #0b0d12;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 28px;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 600;
  color: #0b0d12;
  background: linear-gradient(90deg, var(--accent), var(--accent-3));
  box-shadow: 0 15px 30px rgba(0, 245, 212, 0.3);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  cursor: pointer;
  font-family: inherit;
  appearance: none;
}

.btn:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 18px 35px rgba(184, 245, 0, 0.35);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
  box-shadow: none;
}

.hero {
  padding: 120px 8vw 80px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: center;
  gap: 40px;
}

.hero h1 {
  font-size: clamp(2.6rem, 4vw, 4.2rem);
  line-height: 1.05;
  letter-spacing: -1px;
}

.hero p {
  margin-top: 18px;
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 520px;
}

.hero-actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero-panel {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 32px;
  box-shadow: var(--shadow);
}

.hero-panel ul {
  list-style: none;
  display: grid;
  gap: 18px;
}

.hero-panel li {
  display: flex;
  gap: 12px;
  align-items: center;
  color: var(--muted);
}

.hero-panel img {
  width: 22px;
  height: 22px;
}

.section {
  padding: 90px 8vw;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 2rem;
  margin-bottom: 32px;
}

.section-title img {
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
}

.section-title span {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 28px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(600px 120px at 20% 0%, rgba(0, 245, 212, 0.12), transparent 60%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.card:hover::after {
  opacity: 1;
}

.card h3 {
  margin-top: 18px;
  font-size: 1.2rem;
}

.card p {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.95rem;
}

.card img {
  width: 34px;
  height: 34px;
}

.callout {
  margin-top: 50px;
  padding: 32px;
  border-radius: 22px;
  background: linear-gradient(120deg, rgba(0, 245, 212, 0.08), rgba(255, 122, 0, 0.08));
  border: 1px solid var(--line);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 28px;
}

.price-card {
  padding: 24px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(15, 18, 32, 0.8);
  box-shadow: var(--shadow);
}

.price-card h4 {
  margin-bottom: 10px;
}

.price-amount {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
}

.price-meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 6px;
}

.timeline {
  display: grid;
  gap: 20px;
  margin-top: 24px;
}

.timeline-step {
  padding: 20px 22px;
  border-radius: 18px;
  background: var(--card-strong);
  border: 1px solid var(--line);
}

.tools-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.tool-card {
  background: rgba(11, 13, 18, 0.7);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 24px;
}

.tool-card input,
.tool-card textarea,
.tool-card select {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
  color: var(--text);
  margin-top: 10px;
  font-family: 'Space Grotesk', 'Noto Sans TC', system-ui, sans-serif;
}

.tool-card textarea {
  min-height: 120px;
  resize: vertical;
}

.tool-row {
  margin-top: 10px;
  display: grid;
  gap: 8px;
}

.tool-row label {
  font-size: 0.85rem;
  color: var(--muted);
}

.tool-row input[type='checkbox'] {
  margin-right: 8px;
}

.tool-row input[type='file'] {
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px dashed var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
}

.tool-row input[type='number'],
.tool-row select {
  height: 42px;
}

.tool-row input[type='range'] {
  width: 100%;
  accent-color: var(--accent);
}

.tool-row span {
  font-size: 0.85rem;
  color: var(--muted);
}

.image-preview {
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 10px;
  background: rgba(15, 18, 32, 0.6);
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.image-preview img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
}

.image-meta {
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--muted);
}

.tool-actions {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.form {
  display: grid;
  gap: 16px;
  max-width: 680px;
}

.form label {
  font-size: 0.9rem;
  color: var(--muted);
}

.form input,
.form textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  color: var(--text);
  font-family: 'Space Grotesk', 'Noto Sans TC', system-ui, sans-serif;
}

.form textarea {
  min-height: 140px;
  resize: vertical;
}

.ad-slot {
  margin: 24px 0 10px;
  padding: 18px 22px;
  border: 1px dashed rgba(0, 245, 212, 0.35);
  border-radius: 16px;
  background: rgba(0, 245, 212, 0.06);
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
}

.badge {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(0, 245, 212, 0.12);
  color: var(--accent);
  font-size: 0.75rem;
  letter-spacing: 1px;
}

.text-en {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.95rem;
}

footer {
  padding: 50px 8vw;
  border-top: 1px solid var(--line);
  color: #64748b;
  font-size: 0.85rem;
}

.footer-links {
  margin-top: 14px;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-links a {
  color: #94a3b8;
  text-decoration: none;
}

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

.footer-note {
  margin-top: 10px;
  color: #7b8794;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 820px) {
  nav {
    flex-direction: column;
    gap: 14px;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero {
    padding-top: 90px;
  }
}

@media (max-width: 520px) {
  .nav-links {
    gap: 12px;
  }

  .nav-links a {
    font-size: 0.85rem;
  }
}