/* ART4RAISE / Art4Raise — static site (deck-aligned) */
:root {
  --ink: #141414;
  --ink-soft: #2a2a2a;
  --paper: #ffffff;
  --paper-2: #f6f6f6;
  --muted: #5c5c5c;
  --line: rgba(20, 20, 20, 0.12);
  --brand-red: #e31c23;
  --brand-red-deep: #b51218;
  --cyan: #00a0e3;
  --magenta: #d5007f;
  --gold: #c9a86c;
  --radius: 14px;
  --shadow: 0 18px 48px rgba(20, 20, 20, 0.12);
  --font-sans: "Noto Sans TC", "PingFang HK", "Helvetica Neue", Arial, sans-serif;
  --font-display: "Cormorant Garamond", "Noto Serif TC", Georgia, serif;
  --max: 1120px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 400;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--brand-red-deep);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
a:hover { color: var(--brand-red); }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 0.75rem 1rem;
  z-index: 1000;
}
.skip-link:focus { left: 0; }

.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.5rem;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: inherit;
}

.logo-img {
  width: clamp(110px, 18vw, 150px);
  height: auto;
  object-fit: contain;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.35rem;
}

.site-nav a {
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 500;
}
.site-nav a:hover { color: var(--brand-red); }

.nav-cta {
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper) !important;
}
.nav-cta:hover { background: var(--brand-red); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 0.5rem;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: 0.2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(3rem, 8vw, 5.5rem) 0;
  background:
    radial-gradient(ellipse at 85% 20%, rgba(0, 160, 227, 0.08), transparent 50%),
    radial-gradient(ellipse at 10% 80%, rgba(213, 0, 127, 0.07), transparent 45%),
    var(--paper);
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(20, 20, 20, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 20, 20, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 50% 40%, black 15%, transparent 75%);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2.5rem;
  align-items: center;
}

.hero-logo {
  width: min(240px, 70%);
  height: auto;
  margin-bottom: 1rem;
}

.hero-motto {
  margin: -0.4rem 0 1rem;
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  text-transform: lowercase;
  color: var(--muted);
}

.eyebrow {
  margin: 0 0 1rem;
  font-size: 0.75rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--brand-red);
  font-weight: 500;
}

.hero h1 {
  margin: 0 0 1.15rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.2rem, 5.2vw, 3.4rem);
  line-height: 1.15;
  letter-spacing: 0.01em;
}

.hero-sub {
  display: block;
  margin-top: 0.45rem;
  font-size: 0.48em;
  font-weight: 400;
  font-style: italic;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.hero-lead {
  margin: 0 0 0.85rem;
  color: var(--muted);
  font-size: 1.02rem;
  max-width: 34rem;
}

.hero-tagline-en {
  margin: 0 0 1.75rem;
  font-size: 0.88rem;
  color: var(--ink-soft);
  font-style: italic;
  max-width: 32rem;
  opacity: 0.85;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.hero-visual {
  margin: 0;
  border-radius: calc(var(--radius) + 6px);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  background: var(--paper-2);
}
.hero-visual img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.4rem;
  border-radius: 999px;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: 0.2s ease;
}

.btn-primary {
  background: var(--ink);
  color: var(--paper);
}
.btn-primary:hover {
  background: var(--brand-red);
  color: var(--paper);
}

.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}
.btn-ghost:hover {
  border-color: var(--brand-red);
  color: var(--brand-red);
}

/* Sections */
.section {
  padding: clamp(3.25rem, 7vw, 5.5rem) 0;
}

.section-head {
  margin-bottom: 2.25rem;
  max-width: 42rem;
}

.section-head h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.8vw, 2.5rem);
  font-weight: 600;
  line-height: 1.25;
}

.section-desc {
  margin: 0;
  color: var(--muted);
}

/* About */
.about {
  background: linear-gradient(180deg, var(--paper-2) 0%, var(--paper) 100%);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.about-copy p {
  margin: 0 0 1.1rem;
  color: var(--ink-soft);
}

.pill-list {
  list-style: none;
  padding: 0;
  margin: 1.75rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.pill-list li {
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  background: var(--paper);
  border: 1px solid var(--line);
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.about-card {
  background: var(--ink);
  color: var(--paper);
  border-radius: calc(var(--radius) + 4px);
  padding: 0.35rem;
  box-shadow: var(--shadow);
}

.about-card-inner {
  padding: 1.75rem 1.5rem;
  border-radius: var(--radius);
  border: 1px solid rgba(201, 168, 108, 0.28);
}

.about-card-logo {
  width: min(200px, 80%);
  height: auto;
  margin-bottom: 0.85rem;
  filter: drop-shadow(0 0 0 transparent);
}

.about-card-brand {
  margin: 0.35rem 0 0.15rem;
  font-family: var(--font-display);
  font-size: 1.75rem;
  letter-spacing: 0.12em;
  font-weight: 600;
}

.about-card-company {
  margin: 0;
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
}

.about-card hr {
  border: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  margin: 1.4rem 0;
}

.about-stats {
  margin: 0;
  display: grid;
  gap: 1rem;
}
.about-stats div { display: grid; gap: 0.15rem; }
.about-stats dt {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}
.about-stats dd {
  margin: 0;
  font-size: 1rem;
}

/* Cards / overview */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.card-grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.4rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.card-with-img { padding-top: 1rem; }

.card-media {
  margin: -0.25rem -0.25rem 1rem;
  border-radius: 10px;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--paper-2);
}
.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card h3 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--brand-red-deep);
}
.card p {
  margin: 0 0 1.1rem;
  color: var(--muted);
  font-size: 0.95rem;
}
.card-tag {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 500;
}

/* Art & Finance */
.art-finance {
  background: var(--paper-2);
}
.art-finance-inner {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 2.5rem;
  align-items: center;
}
.art-finance-visual {
  margin: 0;
  border-radius: 50%;
  overflow: hidden;
  aspect-ratio: 1;
  max-width: 340px;
  justify-self: center;
  box-shadow: var(--shadow);
  border: 6px solid var(--paper);
}
.art-finance-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.art-finance-copy h2 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 600;
}
.art-finance-copy p:not(.eyebrow) {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

/* Partnership */
.partnership-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 2rem;
  align-items: start;
}
.partnership-photo {
  margin: 0;
}
.partnership-photo img {
  width: 100%;
  border-radius: var(--radius);
  object-fit: cover;
  aspect-ratio: 4 / 3;
  box-shadow: var(--shadow);
}
.partnership-photo figcaption {
  margin-top: 0.65rem;
  font-size: 0.85rem;
  color: var(--muted);
}
.partnership-copy > p {
  color: var(--ink-soft);
  margin-top: 0;
}
.partner-box {
  margin-top: 1.5rem;
  padding: 1.35rem 1.25rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  border-left: 4px solid var(--brand-red);
}
.partner-box h3 {
  margin: 0 0 0.35rem;
  font-size: 1.1rem;
}
.partner-meta {
  margin: 0 0 0.85rem;
  font-size: 0.88rem;
  color: var(--muted);
}
.partner-box > p {
  margin: 0 0 1rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
}
.school-list {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
  font-size: 0.88rem;
  columns: 1;
}
.school-list li { margin-bottom: 0.35rem; }

/* Certificate */
.certificate {
  background: linear-gradient(180deg, var(--paper) 0%, var(--paper-2) 100%);
}
.certificate-layout {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 2rem;
  align-items: start;
}
.certificate-copy p {
  color: var(--ink-soft);
  margin-top: 0;
}
.feature-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 1.75rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
.feature-list li {
  padding: 0.85rem 1rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  display: grid;
  gap: 0.15rem;
}
.feature-list strong {
  color: var(--brand-red-deep);
  font-size: 0.92rem;
}
.feature-list span {
  font-size: 0.82rem;
  color: var(--muted);
}
.certificate-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
.certificate-gallery figure {
  margin: 0;
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
}
.certificate-gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Showcase */
.showcase {
  background: var(--ink);
  color: var(--paper);
}
.showcase .eyebrow { color: var(--gold); }
.showcase .section-desc { color: rgba(255, 255, 255, 0.65); }
.showcase-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  grid-template-rows: auto auto;
  gap: 1.1rem;
}
.showcase-large { grid-row: span 2; }
.showcase-item {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.showcase-item img {
  width: 100%;
  height: 100%;
  min-height: 200px;
  object-fit: cover;
  border-radius: var(--radius);
  flex: 1;
}
.showcase-large img { min-height: 100%; }
.showcase-item figcaption {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.showcase-item figcaption strong {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
}
.showcase-item figcaption span {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.55);
}

/* Contact */
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}
.contact-copy p { color: var(--muted); }
.contact-copy h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin: 0 0 0.75rem;
}

.contact-channels {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  display: grid;
  gap: 0.85rem;
}
.contact-channels li {
  padding: 0.9rem 1.1rem;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 12px;
}
.contact-channels .label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.25rem;
}
.contact-channels a {
  font-weight: 500;
  font-size: 1.02rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--ink);
}
.contact-channels a:hover { color: var(--brand-red); }
.ig-icon {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  object-fit: cover;
}

.contact-form {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 2px);
  padding: 1.5rem;
  display: grid;
  gap: 1rem;
  box-shadow: 0 8px 30px rgba(20, 20, 20, 0.06);
}
.contact-form label { display: grid; gap: 0.4rem; }
.contact-form label span {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink-soft);
}
.contact-form input,
.contact-form textarea {
  font: inherit;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--paper-2);
  color: var(--ink);
  width: 100%;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid rgba(227, 28, 35, 0.3);
  border-color: var(--brand-red);
}
.contact-form .btn {
  width: 100%;
  margin-top: 0.25rem;
}
.form-note {
  margin: 0;
  font-size: 0.78rem;
  color: var(--muted);
  text-align: center;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.85rem 0;
  background: var(--paper-2);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.footer-logo {
  width: 120px;
  height: auto;
  margin-bottom: 0.35rem;
}
.footer-brand strong {
  font-family: var(--font-display);
  letter-spacing: 0.1em;
  font-size: 1.05rem;
}
.footer-brand span,
.footer-copy {
  font-size: 0.82rem;
  color: var(--muted);
  margin: 0;
}
.footer-top {
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--ink-soft);
}
.footer-top:hover { color: var(--brand-red); }

/* Responsive */
@media (max-width: 960px) {
  .hero-grid,
  .about-grid,
  .contact-inner,
  .showcase-grid,
  .art-finance-inner,
  .partnership-grid,
  .certificate-layout {
    grid-template-columns: 1fr;
  }
  .showcase-large { grid-row: auto; }
  .card-grid,
  .card-grid-2 { grid-template-columns: 1fr; }
  .hero-visual { max-width: 520px; }
  .feature-list { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.75rem 1.25rem 1.25rem;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--line);
    display: none;
  }
  .site-nav.is-open { display: flex; }
  .site-nav a {
    padding: 0.85rem 0.5rem;
    border-bottom: 1px solid var(--line);
  }
  .site-nav .nav-cta {
    margin-top: 0.5rem;
    text-align: center;
    border-bottom: 0;
  }
  .certificate-gallery { grid-template-columns: 1fr 1fr; }
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .card { transition: none; }
}