/* SprayJoy Limited — AIGC company site */

:root {
  --bg-deep: #07080f;
  --bg-elevated: #10121f;
  --bg-card: rgba(20, 22, 38, 0.72);
  --border-subtle: rgba(139, 92, 246, 0.2);
  --border-strong: rgba(139, 92, 246, 0.55);
  --text-primary: #f4f4fb;
  --text-muted: #a0a3bd;
  --accent: #a78bfa;
  --accent-2: #22d3ee;
  --accent-3: #f43f9e;
  --accent-dim: rgba(167, 139, 250, 0.12);
  --accent-glow: rgba(139, 92, 246, 0.4);
  --gradient: linear-gradient(100deg, #22d3ee 0%, #8b5cf6 52%, #f43f9e 100%);
  --font-sans: "Noto Sans TC", -apple-system, "PingFang HK", "Microsoft JhengHei", system-ui, sans-serif;
  --font-display: "Sora", var(--font-sans);
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --radius: 14px;
  --radius-sm: 9px;
  --header-h: 4rem;
  --container: min(1140px, 100% - 2rem);
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-primary);
  background-color: var(--bg-deep);
  background-image:
    radial-gradient(ellipse 60% 40% at 12% 0%, rgba(139, 92, 246, 0.14), transparent 70%),
    radial-gradient(ellipse 50% 40% at 92% 22%, rgba(34, 211, 238, 0.09), transparent 70%),
    linear-gradient(90deg, rgba(255, 255, 255, 0.022) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.022) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 56px 56px, 56px 56px;
  background-attachment: fixed, fixed, scroll, scroll;
}

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

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 200;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: var(--bg-deep);
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  top: 1rem;
}

.container {
  width: var(--container);
  margin-inline: auto;
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(7, 8, 15, 0.86);
  backdrop-filter: blur(14px);
}

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

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.logo-mark {
  width: 1.4rem;
  height: 1.4rem;
  border-radius: 0.45rem;
  background: var(--gradient);
  box-shadow: 0 0 18px var(--accent-glow);
}

.logo:hover .logo-text,
.logo:focus-visible .logo-text {
  color: var(--accent);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  cursor: pointer;
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.nav-toggle-bar {
  display: block;
  width: 1.25rem;
  height: 2px;
  margin-inline: auto;
  background: var(--text-primary);
  transition: transform var(--transition), opacity var(--transition);
}

.site-header.is-open .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-header.is-open .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.site-header.is-open .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-list {
  display: flex;
  gap: 1.6rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-list a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9375rem;
  transition: color var(--transition);
}

.nav-list a:hover,
.nav-list a:focus-visible {
  color: var(--accent);
}

@media (max-width: 920px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    max-height: 0;
    overflow: hidden;
    background: rgba(7, 8, 15, 0.98);
    border-bottom: 1px solid var(--border-subtle);
    transition: max-height 0.35s ease;
  }

  .site-header.is-open .site-nav {
    max-height: 420px;
  }

  .nav-list {
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 1rem 1.25rem;
  }

  .nav-list a {
    display: block;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-subtle);
  }

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

/* Hero */
.hero {
  position: relative;
  padding: clamp(3.5rem, 10vw, 6.5rem) 0 clamp(3rem, 8vw, 5rem);
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 70% 40%;
  opacity: 0.85;
}

.hero-scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, var(--bg-deep) 6%, rgba(7, 8, 15, 0.82) 46%, rgba(7, 8, 15, 0.35) 100%),
    linear-gradient(180deg, rgba(7, 8, 15, 0.55) 0%, transparent 30%, var(--bg-deep) 97%);
}

.hero-inner {
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent-2);
  text-transform: uppercase;
  font-weight: 500;
}

.hero-title {
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4.6vw, 3.1rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.hero-lead {
  margin: 0 0 2rem;
  max-width: 40rem;
  color: var(--text-muted);
  font-size: 1.03rem;
}

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

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1rem;
  list-style: none;
  margin: clamp(2.5rem, 6vw, 4rem) 0 0;
  padding: 0;
  max-width: 44rem;
}

.hero-stats li {
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
}

.stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat-label {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.83rem;
  line-height: 1.6;
  color: var(--text-muted);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.6rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.btn-primary {
  background: var(--gradient);
  color: #07080f;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  box-shadow: 0 8px 28px var(--accent-glow);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

.btn-small {
  padding: 0.5rem 1.1rem;
  font-size: 0.83rem;
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Sections */
.section {
  padding: clamp(3.5rem, 8vw, 5.5rem) 0;
  border-top: 1px solid var(--border-subtle);
}

.section-title {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3vw, 2.1rem);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.section-intro {
  margin: 0 0 2.5rem;
  color: var(--text-muted);
  max-width: 42rem;
}

/* About */
.about-layout {
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: center;
}

@media (max-width: 900px) {
  .about-layout {
    grid-template-columns: 1fr;
  }
}

.about-text {
  margin: 0 0 1.1rem;
  color: var(--text-muted);
}

.about-text strong {
  color: var(--text-primary);
  font-weight: 700;
}

.about-points {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.about-points li {
  position: relative;
  padding-left: 1.4rem;
  color: var(--text-muted);
  font-size: 0.94rem;
}

.about-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--gradient);
}

.point-key {
  display: inline-block;
  margin-right: 0.6rem;
  color: var(--text-primary);
  font-weight: 700;
}

.about-figure {
  margin: 0;
}

.about-figure img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border-subtle);
}

.about-figure figcaption {
  margin-top: 0.75rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  text-align: center;
}

/* Services */
.service-cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
}

.service-card {
  position: relative;
  margin: 0;
  padding: 1.6rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.service-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: var(--gradient);
  opacity: 0;
  transition: opacity var(--transition);
}

.service-card:hover {
  border-color: var(--border-strong);
  box-shadow: 0 16px 40px rgba(139, 92, 246, 0.12);
  transform: translateY(-2px);
}

.service-card:hover::before {
  opacity: 1;
}

.service-index {
  display: block;
  margin-bottom: 0.9rem;
  color: var(--accent-2);
}

.service-name {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 700;
}

.service-desc {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

/* Capability */
.cap-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  padding: clamp(1.5rem, 4vw, 2.5rem) 0;
}

.cap-row + .cap-row {
  border-top: 1px solid var(--border-subtle);
}

.cap-row-reverse .cap-figure {
  order: 2;
}

@media (max-width: 860px) {
  .cap-row {
    grid-template-columns: 1fr;
  }

  .cap-row-reverse .cap-figure {
    order: 0;
  }
}

.cap-figure {
  margin: 0;
}

.cap-figure img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border-subtle);
}

.cap-index {
  display: block;
  margin-bottom: 0.75rem;
  color: var(--accent-3);
}

.cap-title {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
}

.cap-desc {
  margin: 0 0 1.1rem;
  color: var(--text-muted);
  font-size: 0.96rem;
}

.cap-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.cap-list li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.cap-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  border: 2px solid var(--accent);
}

/* Process */
.process-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: step;
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.process-step {
  position: relative;
  padding: 1.6rem 1.4rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
}

.process-step::after {
  content: "";
  position: absolute;
  left: 1.4rem;
  right: 1.4rem;
  bottom: 0;
  height: 2px;
  background: var(--gradient);
  opacity: 0.5;
}

.step-num {
  display: block;
  margin-bottom: 0.75rem;
  color: var(--accent);
}

.step-name {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
}

.step-desc {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Responsibility */
.pledge-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.pledge-card {
  padding: 1.5rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(139, 92, 246, 0.09), rgba(34, 211, 238, 0.04));
}

.pledge-title {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
}

.pledge-desc {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Contact */
.contact-panel {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.contact-block {
  padding: 1.6rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
}

.contact-block-wide {
  grid-column: 1 / -1;
}

.contact-label {
  margin: 0 0 0.6rem;
  text-transform: uppercase;
  color: var(--accent-2);
}

.contact-value {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.6;
}

a.contact-value {
  text-decoration: none;
  color: var(--accent);
  word-break: break-word;
}

a.contact-value:hover,
a.contact-value:focus-visible {
  text-decoration: underline;
}

.contact-note {
  margin: 0.4rem 0 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.1rem;
}

.copy-feedback {
  margin: 0.75rem 0 0;
  color: var(--accent-2);
  letter-spacing: 0.04em;
}

.copy-feedback[hidden] {
  display: none;
}

/* Footer */
.site-footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border-subtle);
  background: rgba(16, 18, 31, 0.6);
}

.footer-inner {
  display: grid;
  gap: 1.25rem;
  text-align: center;
}

.footer-brand {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
}

.footer-tagline {
  margin: 0.2rem 0 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-info {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-info p {
  margin: 0.2rem 0;
}

.footer-info a {
  color: var(--accent);
  text-decoration: none;
}

.footer-info a:hover,
.footer-info a:focus-visible {
  text-decoration: underline;
}

.footer-meta {
  margin: 0;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-dot {
  margin: 0 0.4rem;
}