/* ==========================================================================
   ZToolHub — Coming Soon LP
   ========================================================================== */

:root {
  --color-bg: #0a0f1a;
  --color-bg-elevated: #0f1729;
  --color-surface: #1a2332;
  --color-surface-hover: #222d3f;
  --color-border: #2a3548;
  --color-border-subtle: #1e293b;

  --color-text: #e2e8f0;
  --color-text-muted: #94a3b8;
  --color-text-dim: #64748b;

  --color-accent-indigo: #6366f1;
  --color-accent-indigo-light: #818cf8;
  --color-accent-mint: #34d399;
  --color-accent-mint-dim: #10b981;

  --font-sans: system-ui, -apple-system, "Segoe UI", "Hiragino Sans",
    "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo,
    Consolas, "Courier New", monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-glow-indigo: 0 0 60px rgba(99, 102, 241, 0.15);
  --shadow-glow-mint: 0 0 40px rgba(52, 211, 153, 0.1);

  --max-width: 1120px;
  --header-height: 64px;
}

/* Reset & Base
   -------------------------------------------------------------------------- */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  overflow-x: hidden;
}

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

a {
  color: var(--color-accent-indigo-light);
  text-decoration: none;
}

a:hover {
  color: var(--color-accent-mint);
}

/* Background decoration
   -------------------------------------------------------------------------- */

.page-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.page-bg__gradient {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}

.page-bg__gradient--indigo {
  width: 600px;
  height: 600px;
  top: -200px;
  right: -100px;
  background: rgba(99, 102, 241, 0.12);
}

.page-bg__gradient--mint {
  width: 500px;
  height: 500px;
  bottom: -150px;
  left: -100px;
  background: rgba(52, 211, 153, 0.08);
}

.page-bg__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99, 102, 241, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

/* Layout
   -------------------------------------------------------------------------- */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 24px;
}

/* Header
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(10, 15, 26, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-subtle);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
}

.site-logo__icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.site-logo__text {
  background: linear-gradient(135deg, var(--color-text) 0%, var(--color-text-muted) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.badge-soon {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-indigo-light);
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: 999px;
}

.badge-soon__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent-mint);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.4;
  }
}

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

.hero {
  padding: 64px 0 80px;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero__content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-accent-mint);
  letter-spacing: 0.04em;
}

.hero__eyebrow::before {
  content: "";
  display: block;
  width: 24px;
  height: 1px;
  background: var(--color-accent-mint);
}

.hero__title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.03em;
  color: var(--color-text);
}

.hero__title-accent {
  background: linear-gradient(
    135deg,
    var(--color-accent-indigo-light) 0%,
    var(--color-accent-mint) 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 480px;
}

.hero__status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.hero__status-label {
  font-size: 0.875rem;
  color: var(--color-text-dim);
}

.hero__status-label strong {
  color: var(--color-text-muted);
  font-weight: 600;
}

/* Terminal
   -------------------------------------------------------------------------- */

.terminal {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-glow-indigo), var(--shadow-glow-mint);
}

.terminal__header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: #252f3f;
  border-bottom: 1px solid var(--color-border);
}

.terminal__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.terminal__dot--red {
  background: #ef4444;
  opacity: 0.75;
}

.terminal__dot--yellow {
  background: #eab308;
  opacity: 0.75;
}

.terminal__dot--green {
  background: var(--color-accent-mint);
  opacity: 0.75;
}

.terminal__title {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-dim);
}

.terminal__body {
  padding: 20px 24px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.8;
  overflow-x: auto;
}

.terminal__prompt {
  color: var(--color-accent-mint);
}

.terminal__command {
  color: var(--color-text);
}

.terminal__output {
  color: var(--color-text-muted);
  padding-left: 2ch;
}

.terminal__output--highlight {
  color: var(--color-accent-indigo-light);
}

.terminal__cursor {
  display: inline-block;
  width: 8px;
  height: 16px;
  background: var(--color-accent-mint);
  vertical-align: text-bottom;
  margin-left: 2px;
  animation: blink 1.2s step-end infinite;
}

@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}

/* Intro section
   -------------------------------------------------------------------------- */

.intro {
  padding: 0 0 64px;
}

.intro__text {
  max-width: 720px;
  margin-inline: auto;
  text-align: center;
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  line-height: 1.75;
}

.intro__text strong {
  color: var(--color-text);
  font-weight: 600;
}

/* Categories
   -------------------------------------------------------------------------- */

.categories {
  padding: 0 0 80px;
}

.section-heading {
  text-align: center;
  margin-bottom: 40px;
}

.section-heading__label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-indigo-light);
  margin-bottom: 8px;
}

.section-heading__title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.section-heading__desc {
  margin-top: 12px;
  font-size: 0.9375rem;
  color: var(--color-text-dim);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.category-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 20px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  transition: border-color 0.2s, background-color 0.2s;
}

.category-card:hover {
  border-color: rgba(99, 102, 241, 0.4);
  background: var(--color-surface);
}

.category-card__icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-size: 1.25rem;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.category-card__icon--mint {
  background: rgba(52, 211, 153, 0.1);
  border-color: rgba(52, 211, 153, 0.25);
}

.category-card__title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
}

.category-card__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.category-card__list li {
  font-size: 0.8125rem;
  color: var(--color-text-dim);
  padding-left: 14px;
  position: relative;
}

.category-card__list li::before {
  content: "›";
  position: absolute;
  left: 0;
  color: var(--color-accent-mint);
  font-weight: 600;
}

/* Features strip
   -------------------------------------------------------------------------- */

.features {
  padding: 0 0 80px;
}

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

.feature-item {
  text-align: center;
  padding: 32px 24px;
  background: linear-gradient(
    180deg,
    rgba(26, 35, 50, 0.6) 0%,
    rgba(15, 23, 41, 0.4) 100%
  );
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
}

.feature-item__value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent-mint);
  margin-bottom: 8px;
}

.feature-item__label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* CTA
   -------------------------------------------------------------------------- */

.cta {
  padding: 0 0 80px;
}

.cta__box {
  text-align: center;
  padding: 48px 32px;
  background: linear-gradient(
    135deg,
    rgba(99, 102, 241, 0.08) 0%,
    rgba(52, 211, 153, 0.06) 100%
  );
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-xl);
}

.cta__badge {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-accent-indigo-light);
  margin-bottom: 16px;
}

.cta__title {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
}

.cta__desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  max-width: 480px;
  margin-inline: auto;
}

/* Footer
   -------------------------------------------------------------------------- */

.site-footer {
  padding: 32px 0;
  border-top: 1px solid var(--color-border-subtle);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.site-footer__copy {
  font-size: 0.8125rem;
  color: var(--color-text-dim);
}

.site-footer__url {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-text-dim);
}

/* Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 1024px) {
  .category-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 40px 0 56px;
  }

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

  .hero__content {
    order: 1;
  }

  .hero__terminal-wrap {
    order: 2;
  }

  .category-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .features__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .site-footer__inner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding-inline: 16px;
  }

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

  .terminal__body {
    padding: 16px;
    font-size: 0.75rem;
  }

  .cta__box {
    padding: 32px 20px;
  }
}