/* ============================================================
   墨橋科技股份有限公司｜MORE POWER TECHNOLOGY CORP — Landing v7（雙語形象站）
   Palette: black / orange / white（對齊公司 logo／名片色票）
   Accent orange ≈ #F4A018（logo 主色）
   ============================================================ */

:root {
  --black-950: #0a0a0a;
  --black-900: #111111;
  --black-800: #1a1a1a;
  --black-700: #2a2a2a;
  --charcoal: #3d3d3d;
  --gray-600: #5c5c5c;
  --gray-500: #7a7a7a;
  --gray-400: #a3a3a3;
  --gray-200: #e8e8e8;
  --gray-100: #f4f4f4;
  --paper: #f7f7f7;
  --white: #ffffff;
  --orange: #f4a018;
  --orange-bright: #ffaa1b;
  --orange-dark: #e07818;
  --orange-deep: #c45f12;
  --orange-soft: rgba(244, 160, 24, 0.12);
  --orange-glow: rgba(244, 160, 24, 0.18);
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 8px 28px rgba(10, 10, 10, 0.08);
  --max: 1120px;
  --font: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei",
          "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--black-900);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--black-800);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--orange-dark);
}

strong {
  font-weight: 650;
}

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--orange);
  color: var(--black-950);
  padding: 0.5rem 1rem;
  z-index: 100;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(10, 10, 10, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 84px;
  gap: 1rem;
}

.header-top {
  display: contents;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
}

.brand-logo {
  width: 68px;
  height: 68px;
  object-fit: cover;
  flex-shrink: 0;
  border-radius: 50%;
  background: #0a0a0a;
  box-shadow: 0 0 0 1px rgba(244, 160, 24, 0.28);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-zh {
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  color: var(--black-900);
}

.brand-en {
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  color: var(--gray-500);
  text-transform: uppercase;
}

.lang-switch.lang-switch-mobile {
  display: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.15rem 1.25rem;
}

.site-nav a {
  text-decoration: none;
  font-size: 0.92rem;
  color: var(--black-800);
  font-weight: 500;
}

.site-nav a:hover {
  color: var(--orange-dark);
}

.nav-cta {
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  background: var(--black-900);
  color: var(--white) !important;
}

.nav-cta:hover {
  background: var(--orange);
  color: var(--black-950) !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 0.4rem;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--black-900);
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.85rem 1.4rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.btn-primary {
  background: var(--orange);
  color: var(--black-950);
}

.btn-primary:hover {
  background: var(--orange-bright);
  color: var(--black-950);
}

.btn-ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.35);
  color: var(--white);
}

.btn-ghost:hover {
  border-color: var(--orange);
  color: var(--orange);
}

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

.hero {
  position: relative;
  overflow: hidden;
  background: var(--black-950);
  color: var(--white);
  padding: 5.5rem 0 4.5rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 85% 10%, var(--orange-glow), transparent 55%),
    radial-gradient(ellipse 60% 50% at 10% 90%, rgba(42, 42, 42, 0.55), transparent 50%),
    linear-gradient(160deg, var(--black-950), var(--black-900) 55%, var(--black-800));
  pointer-events: none;
}

.hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 85%);
}

.hero-bg::after {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  right: -80px;
  top: -60px;
  border: 1px solid rgba(244, 160, 24, 0.28);
  border-radius: 50%;
  box-shadow:
    0 0 0 60px rgba(244, 160, 24, 0.05),
    0 0 0 120px rgba(244, 160, 24, 0.03);
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.eyebrow {
  margin: 0 0 0.85rem;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange);
  font-weight: 600;
}

.eyebrow.light {
  color: var(--orange);
}

.hero h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(1.75rem, 4vw, 2.55rem);
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.hero-lead {
  margin: 0 0 2rem;
  font-size: 1.05rem;
  color: var(--gray-400);
  max-width: 42rem;
}

.hero-lead strong {
  color: var(--white);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.75rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2.5rem;
  margin: 0;
  padding-top: 1.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-meta dt {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin: 0 0 0.2rem;
}

.hero-meta dd {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--white);
}

/* ---------- Sections ---------- */

.section {
  padding: 4.5rem 0;
}

.section-alt {
  background: var(--paper);
}

.section-head {
  margin-bottom: 2.5rem;
  max-width: 640px;
}

.section-head h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.45rem, 2.8vw, 1.9rem);
  line-height: 1.35;
  color: var(--black-950);
}

.section-desc {
  margin: 0;
  color: var(--gray-500);
  font-size: 1rem;
}

/* ---------- About ---------- */

.about-layout {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 1.5rem;
  align-items: start;
}

.about-main {
  background: var(--white);
  border: 1px solid rgba(10, 10, 10, 0.08);
  border-radius: var(--radius);
  padding: 1.85rem 1.75rem;
  box-shadow: var(--shadow);
}

.about-main p {
  margin: 0 0 1rem;
  color: var(--charcoal);
  font-size: 1rem;
}

.about-main p:last-child {
  margin-bottom: 0;
}

.about-tagline {
  margin-top: 1.25rem !important;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(10, 10, 10, 0.08);
  font-weight: 600;
  color: var(--black-900) !important;
  font-size: 1.05rem !important;
  line-height: 1.6;
}

.about-aside {
  background: var(--black-900);
  color: var(--white);
  border-radius: var(--radius);
  padding: 1.85rem 1.6rem;
}

.about-aside h3 {
  margin: 0 0 0.85rem;
  color: var(--orange);
  font-size: 1.05rem;
}

.about-aside p {
  margin: 0;
  color: var(--gray-200);
  font-size: 0.95rem;
  line-height: 1.7;
}

.about-aside strong {
  color: var(--white);
}

/* ---------- Capabilities ---------- */

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.project-card {
  background: var(--white);
  border: 1px solid rgba(10, 10, 10, 0.08);
  border-radius: var(--radius);
  padding: 1.6rem 1.45rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}

.project-tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--black-800);
  background: var(--orange-soft);
  border: 1px solid rgba(244, 160, 24, 0.35);
  padding: 0.28rem 0.6rem;
  border-radius: 999px;
  margin-bottom: 1rem;
  font-weight: 600;
}

.project-card h3 {
  margin: 0 0 0.65rem;
  font-size: 1.15rem;
  line-height: 1.4;
}

.project-card > p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--gray-500);
}


/* ---------- AI Data Center scope pills ---------- */

.adc-panel {
  background: var(--white);
  border: 1px solid rgba(10, 10, 10, 0.08);
  border-radius: var(--radius);
  padding: 1.75rem 1.6rem 1.5rem;
  box-shadow: var(--shadow);
}

.adc-head {
  margin-bottom: 1.35rem;
  max-width: 52rem;
}

.adc-head .project-tag {
  margin-bottom: 0.85rem;
}

.adc-head h3 {
  margin: 0 0 0.55rem;
  font-size: 1.2rem;
  line-height: 1.4;
  color: var(--black-950);
}

.adc-head > p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--gray-500);
  line-height: 1.65;
}

.scope-pills {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
}

.scope-pills li {
  background: var(--paper);
  border: 1px solid rgba(10, 10, 10, 0.06);
  border-radius: var(--radius-sm);
  padding: 1rem 1.05rem 0.95rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.scope-pills li:last-child {
  grid-column: 1 / -1;
}

.pill-label {
  display: inline-flex;
  align-self: flex-start;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--black-900);
  background: var(--orange-soft);
  border: 1px solid rgba(244, 160, 24, 0.4);
  padding: 0.28rem 0.7rem;
  border-radius: 999px;
}

.scope-pills p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--charcoal);
  line-height: 1.65;
}


/* ---------- Engagements / 代表案例 ---------- */

.engagements-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.engagement-card {
  background: var(--white);
  border: 1px solid rgba(10, 10, 10, 0.08);
  border-radius: var(--radius);
  padding: 1.6rem 1.5rem 1.45rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.engagement-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.15rem;
}

.engagement-tag {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--black-800);
  background: var(--orange-soft);
  border: 1px solid rgba(244, 160, 24, 0.35);
  padding: 0.22rem 0.55rem;
  border-radius: 999px;
  font-weight: 600;
}

.engagement-card h3 {
  margin: 0;
  font-size: 1.12rem;
  line-height: 1.4;
  color: var(--black-950);
}

.engagement-role {
  margin: 0;
  font-size: 0.9rem;
  color: var(--charcoal);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.45rem;
}

.engagement-role span {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--orange-deep);
  background: var(--orange-soft);
  border: 1px solid rgba(244, 160, 24, 0.3);
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
}

.engagement-card > p:last-child {
  margin: 0.15rem 0 0;
  font-size: 0.92rem;
  color: var(--gray-500);
  line-height: 1.7;
}

/* ---------- Company ---------- */

.company-panel {
  background: var(--white);
  border: 1px solid rgba(10, 10, 10, 0.08);
  border-radius: var(--radius);
  padding: 1.75rem 1.75rem 1.5rem;
  box-shadow: var(--shadow);
}

.company-brand-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid rgba(10, 10, 10, 0.08);
}

.company-logo {
  width: 112px;
  height: 112px;
  object-fit: cover;
  border-radius: 50%;
  background: #0a0a0a;
  padding: 0;
  border: 0;
  box-shadow: 0 0 0 1px rgba(244, 160, 24, 0.3), 0 8px 20px rgba(10, 10, 10, 0.12);
}

.company-brand-row strong {
  display: block;
  font-size: 1.05rem;
  color: var(--black-900);
}

.company-brand-row p {
  margin: 0.15rem 0 0;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--gray-500);
  text-transform: uppercase;
}

.company-dl {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.15rem 2rem;
  margin: 0;
}

.company-dl .full {
  grid-column: 1 / -1;
}

.company-dl dt {
  margin: 0 0 0.2rem;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-500);
  font-weight: 600;
}

.company-dl dd {
  margin: 0;
  font-size: 1rem;
  color: var(--black-900);
  font-weight: 550;
}

.company-dl a {
  text-decoration: none;
  font-weight: 650;
}

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

.cta-section {
  background:
    radial-gradient(ellipse 70% 80% at 20% 50%, var(--orange-glow), transparent 55%),
    linear-gradient(135deg, var(--black-950), var(--black-800));
  color: var(--white);
  padding: 4.5rem 0;
}

.cta-inner {
  text-align: center;
  max-width: 640px;
}

.cta-inner h2 {
  margin: 0 0 0.85rem;
  font-size: clamp(1.4rem, 2.8vw, 1.85rem);
  color: var(--white);
}

.cta-lead {
  margin: 0 0 1.75rem;
  color: var(--gray-400);
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.cta-note {
  margin: 0;
  font-size: 0.85rem;
  color: var(--gray-500);
}

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

.site-footer {
  background: var(--black-950);
  color: var(--gray-400);
  padding: 2.25rem 0 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-inner {
  display: grid;
  gap: 0.85rem;
}

.footer-brand {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
}

.footer-logo {
  width: 44px;
  height: 44px;
  object-fit: cover;
  border-radius: 50%;
  background: #0a0a0a;
  box-shadow: 0 0 0 1px rgba(244, 160, 24, 0.28);
}

.footer-brand strong {
  color: var(--white);
  font-size: 0.95rem;
}

.footer-brand span {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--gray-500);
}

.footer-copy {
  margin: 0.4rem 0 0;
  font-size: 0.8rem;
  color: var(--gray-500);
}


/* ---------- Language switcher ---------- */

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-left: 0.35rem;
  padding-left: 0.85rem;
  border-left: 1px solid rgba(10, 10, 10, 0.12);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.lang-switch a {
  text-decoration: none;
  color: var(--gray-500);
  padding: 0.2rem 0.35rem;
  border-radius: 4px;
}

.lang-switch a:hover {
  color: var(--orange-dark);
}

.lang-switch a.is-active,
.lang-switch a[aria-current="page"] {
  color: var(--black-900);
  background: var(--orange-soft);
}

.lang-switch .lang-sep {
  color: var(--gray-400);
  user-select: none;
}

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

@media (max-width: 960px) {
  .projects-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .about-layout {
    grid-template-columns: 1fr;
  }

  .scope-pills {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .header-inner {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    min-height: 0;
  }

  .header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 76px;
    gap: 1rem;
  }

  .brand {
    min-width: 0;
  }

  .brand-text {
    min-width: 0;
  }

  .lang-switch.lang-switch-mobile {
    display: inline-flex;
    align-self: stretch;
    justify-content: flex-end;
    margin: 0;
    padding: 0.3rem 0 0.45rem;
    border: 0;
    border-top: 1px solid rgba(10, 10, 10, 0.08);
  }

  .lang-switch-mobile a {
    padding: 0.25rem 0.3rem;
  }

  .site-nav .lang-switch-nav {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--white);
    border-bottom: 1px solid rgba(10, 10, 10, 0.1);
    padding: 0.5rem 1.25rem 1rem;
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 0.75rem 0.25rem;
    border-bottom: 1px solid rgba(10, 10, 10, 0.06);
  }

  .site-nav .nav-cta {
    margin-top: 0.5rem;
    text-align: center;
    border-bottom: 0;
  }

  .lang-switch {
    margin: 0.75rem 0 0;
    padding: 0.75rem 0.25rem 0.25rem;
    border-left: 0;
    border-top: 1px solid rgba(10, 10, 10, 0.06);
    justify-content: flex-start;
  }

  .lang-switch.lang-switch-mobile {
    display: inline-flex;
    align-self: stretch;
    justify-content: flex-end;
    margin: 0;
    padding: 0.3rem 0 0.45rem;
    border: 0;
    border-top: 1px solid rgba(10, 10, 10, 0.08);
  }


  .about-layout,
  .projects-grid,
  .engagements-grid,
  .company-dl,
  .scope-pills {
    grid-template-columns: 1fr;
  }

  .scope-pills li:last-child {
    grid-column: auto;
  }

  .brand-logo {
    width: 56px;
    height: 56px;
  }

  .brand-zh {
    font-size: 0.82rem;
  }

  .brand-en {
    font-size: 0.55rem;
    letter-spacing: 0.04em;
  }

  .company-logo {
    width: 96px;
    height: 96px;
  }


  .hero {
    padding: 3.5rem 0 3rem;
  }

  .section {
    padding: 3.25rem 0;
  }
}

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