/* ===========================
   wave.fn — Company Website
   Dark · Creative · Plugin-focused
   =========================== */

:root {
  --bg-deep: #07060c;
  --bg-card: #11101a;
  --bg-elevated: #181624;
  --cyan: #22d3ee;
  --cyan-soft: #67e8f9;
  --purple: #a78bfa;
  --purple-deep: #7c3aed;
  --orange: #fb923c;
  --orange-soft: #fdba74;
  --glow-cyan: rgba(34, 211, 238, 0.35);
  --glow-purple: rgba(167, 139, 250, 0.3);
  --text: #f1f0f7;
  --text-muted: #9b97b0;
  --border: rgba(255, 255, 255, 0.07);
  --radius: 16px;
  --radius-sm: 10px;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg-deep);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: 0.5;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

/* ========== NAV ========== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0.9rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(7, 6, 12, 0.8);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.logo img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
}

.logo span {
  background: linear-gradient(120deg, var(--cyan), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  font-size: 0.95rem;
  font-weight: 500;
}

.nav-links a {
  color: var(--text-muted);
  transition: color 0.2s;
  position: relative;
}

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

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--purple));
  border-radius: 2px;
}

.nav-cta {
  background: linear-gradient(135deg, var(--cyan), var(--purple-deep));
  color: #0a0812;
  padding: 0.55rem 1.25rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px var(--glow-cyan);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ========== HERO ========== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8rem 2rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(34, 211, 238, 0.18), transparent),
    radial-gradient(ellipse 60% 40% at 85% 55%, rgba(167, 139, 250, 0.14), transparent),
    radial-gradient(ellipse 50% 30% at 10% 80%, rgba(124, 58, 237, 0.1), transparent);
  pointer-events: none;
}

.hero-content {
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.hero-badge .dot {
  width: 7px;
  height: 7px;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--cyan);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 4.8rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 1.25rem;
  max-width: 16ch;
}

.hero h1 .accent {
  background: linear-gradient(120deg, var(--cyan), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 38ch;
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.22s;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--cyan), var(--purple-deep));
  color: #0a0812;
  box-shadow: 0 4px 28px var(--glow-cyan);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 36px var(--glow-cyan);
}

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

.btn-ghost:hover {
  background: var(--bg-elevated);
  border-color: rgba(255,255,255,0.15);
}

.btn-coffee {
  background: #ffdd00;
  color: #1a1a1a;
  box-shadow: 0 4px 20px rgba(255, 221, 0, 0.3);
}

.btn-coffee:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(255, 221, 0, 0.4);
}

/* ========== SECTION COMMON ========== */
.section {
  padding: 6rem 2rem;
  position: relative;
}

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.section-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.section-desc {
  color: var(--text-muted);
  max-width: 48ch;
  margin-bottom: 3rem;
  font-size: 1.05rem;
}

/* ========== FEATURED PLUGIN ========== */
.featured {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 0;
}

.featured-visual {
  background: linear-gradient(160deg, #14121f 0%, #0c0a14 100%);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  min-height: 320px;
}

.featured-visual img {
  width: 100%;
  border-radius: 10px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.55);
  border: 1px solid rgba(255,255,255,0.08);
}

.featured-info {
  padding: 2.5rem 2.2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.featured-info h3 {
  font-family: var(--font-display);
  font-size: 1.85rem;
  margin-bottom: 0.5rem;
}

.featured-tag {
  display: inline-block;
  background: rgba(34, 211, 238, 0.12);
  color: var(--cyan-soft);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}

.featured-info p {
  color: var(--text-muted);
  margin-bottom: 1.8rem;
  font-size: 1.02rem;
}

/* ========== PRODUCT GRID ========== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}

.product-card:hover {
  transform: translateY(-4px);
  border-color: rgba(34, 211, 238, 0.35);
  box-shadow: 0 16px 40px rgba(0,0,0,0.35);
}

.product-card-img {
  height: 180px;
  background: linear-gradient(145deg, #16131f, #0e0c16);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.product-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 70% 30%, rgba(34,211,238,0.12), transparent 60%);
  pointer-events: none;
}

.product-card-body {
  padding: 1.5rem;
}

.product-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: 0.4rem;
}

.product-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.2rem;
}

.product-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.price {
  font-weight: 700;
  color: var(--cyan);
}

/* ========== SUPPORT / COFFEE ========== */
.support-section {
  background: linear-gradient(180deg, transparent, rgba(34, 211, 238, 0.04), transparent);
}

.support-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
  display: flex;
  align-items: center;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.support-card .coffee-icon {
  font-size: 3.2rem;
  line-height: 1;
}

.support-card h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: 0.4rem;
}

.support-card p {
  color: var(--text-muted);
  max-width: 42ch;
  margin-bottom: 1.2rem;
}

/* ========== ABOUT ========== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 1.2rem;
  font-size: 1.05rem;
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.stat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  text-align: center;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(120deg, var(--cyan), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.25rem;
}

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

/* ========== CONTACT ========== */
.contact-form {
  max-width: 520px;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
  color: var(--text-muted);
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--cyan);
}

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

/* ========== FOOTER ========== */
.footer {
  border-top: 1px solid var(--border);
  padding: 3.5rem 2rem 2rem;
  margin-top: 2rem;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2.5rem;
}

.footer-brand .logo {
  margin-bottom: 0.8rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.95rem;
  max-width: 28ch;
}

.footer h4 {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.footer ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer a {
  color: var(--text-muted);
  font-size: 0.95rem;
  transition: color 0.2s;
}

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

.footer-bottom {
  max-width: 1100px;
  margin: 2.5rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* ========== PAGE HERO ========== */
.page-hero {
  padding: 9rem 2rem 4rem;
  text-align: center;
  position: relative;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 50% at 50% 0%, rgba(34, 211, 238, 0.12), transparent);
  pointer-events: none;
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
}

.page-hero p {
  color: var(--text-muted);
  font-size: 1.15rem;
  max-width: 40ch;
  margin: 0 auto;
}

/* ========== PLUGIN DETAIL ========== */
.plugin-detail {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 3rem;
  align-items: start;
}

.plugin-detail-visual {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  position: sticky;
  top: 100px;
}

.plugin-detail-visual img {
  width: 100%;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.06);
}

.plugin-detail-info h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.plugin-features {
  list-style: none;
  margin: 1.5rem 0 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.plugin-features li {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--text-muted);
}

.plugin-features li::before {
  content: '→';
  color: var(--cyan);
  font-weight: 700;
}

/* ========== WAVEFORM DECOR ========== */
.wave-line {
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--purple), transparent);
  opacity: 0.35;
  margin: 3rem 0;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 900px) {
  .featured {
    grid-template-columns: 1fr;
  }
  .about-grid,
  .plugin-detail {
    grid-template-columns: 1fr;
  }
  .plugin-detail-visual {
    position: static;
  }
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
  .support-card {
    flex-direction: column;
    text-align: center;
  }
  .support-card p {
    margin-left: auto;
    margin-right: auto;
  }
}

@media (max-width: 700px) {
  .nav-links,
  .nav-cta {
    display: none;
  }
  .menu-toggle {
    display: block;
  }
  .nav.open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-deep);
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border);
    gap: 1.2rem;
  }
  .footer-inner {
    grid-template-columns: 1fr;
  }
  .hero {
    padding-top: 7rem;
  }
}

/* ========== UTILS ========== */
.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.mb-2 { margin-bottom: 2rem; }
.coming-soon {
  display: inline-block;
  background: rgba(167, 139, 250, 0.18);
  color: var(--purple);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  margin-left: 0.5rem;
}