:root {
  --ink: #111619;
  --charcoal: #182125;
  --muted: #5e6a70;
  --line: #dde5e6;
  --paper: #f7f9f8;
  --white: #ffffff;
  --teal: #13a89e;
  --teal-dark: #0b6e69;
  --amber: #d99a34;
  --green: #617a42;
  --plum: #77536e;
  --shadow: 0 20px 60px rgba(17, 22, 25, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    Inter, "Noto Sans TC", "Noto Sans HK", "PingFang TC", "Microsoft JhengHei",
    Arial, sans-serif;
  line-height: 1.6;
}

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

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid rgba(19, 168, 158, 0.38);
  outline-offset: 3px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.12;
  letter-spacing: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 22px;
  color: var(--white);
  font-size: clamp(44px, 7vw, 86px);
  font-weight: 800;
}

h2 {
  margin-bottom: 20px;
  font-size: clamp(30px, 4vw, 52px);
  font-weight: 700;
}

h3 {
  margin-bottom: 10px;
  font-size: 21px;
  font-weight: 700;
}

p {
  color: var(--muted);
}

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 32px;
  color: var(--white);
  transition:
    background 180ms ease,
    box-shadow 180ms ease,
    padding 180ms ease;
}

.site-header.is-scrolled {
  padding: 12px 32px;
  color: var(--ink);
  background: rgba(247, 249, 248, 0.92);
  box-shadow: 0 6px 24px rgba(17, 22, 25, 0.12);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 8px;
  font-size: 18px;
}

.brand-text {
  font-size: 18px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  font-weight: 600;
}

.nav a {
  opacity: 0.86;
}

.nav a:hover {
  opacity: 1;
}

.header-cta,
.btn {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-weight: 700;
}

.header-cta {
  padding: 0 18px;
  border: 1px solid currentColor;
}

.btn {
  padding: 0 22px;
  border: 1px solid transparent;
}

.btn.primary {
  color: var(--white);
  background: var(--teal);
}

.btn.primary:hover {
  background: var(--teal-dark);
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.72;
}

.btn.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.68);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(14px);
}

.btn.dark-secondary {
  color: var(--ink);
  border-color: var(--line);
  background: var(--white);
}

.hero {
  position: relative;
  height: 100vh;
  min-height: 640px;
  overflow: hidden;
  background: var(--charcoal);
}

.hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(17, 22, 25, 0.88) 0%, rgba(17, 22, 25, 0.62) 42%, rgba(17, 22, 25, 0.18) 100%),
    linear-gradient(0deg, rgba(17, 22, 25, 0.62), rgba(17, 22, 25, 0.04) 44%);
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  height: 100%;
  flex-direction: column;
  justify-content: center;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 132px 0 64px;
}

.hero-copy {
  max-width: 680px;
  margin-bottom: 34px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 21px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.eyebrow {
  margin-bottom: 14px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.band {
  background: var(--white);
}

section {
  padding: 96px 0;
}

.intro {
  padding-top: 78px;
}

.intro-grid,
.split-grid,
.about-grid,
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 56px;
  align-items: start;
}

.value-list {
  display: grid;
  gap: 16px;
}

.value-list article,
.tech-grid article,
.team-list article,
.solution-mini {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.value-list article {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 18px;
  padding: 24px;
}

.value-list span {
  color: var(--amber);
  font-weight: 800;
}

.value-list h3,
.value-list p {
  grid-column: 2;
}

.value-list span + h3 {
  margin-top: -2px;
}

.value-list p,
.product-card p,
.capability-copy p,
.solution-card p,
.solution-mini p,
.tech-grid p,
.team-list p,
.contact p {
  margin-bottom: 0;
}

.split,
.capabilities,
.technology,
.contact {
  background: var(--paper);
}

.split-copy {
  align-self: center;
}

.split-copy > p,
.capability-copy > p,
.about-grid > div > p,
.contact-grid > div > p {
  font-size: 18px;
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 28px;
  color: var(--charcoal);
  font-weight: 600;
}

.check-list li::before {
  content: "";
  position: absolute;
  top: 0.68em;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: var(--teal);
}

.image-panel {
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.image-panel img {
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-fit: cover;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 42px;
}

.section-heading.narrow {
  max-width: 720px;
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.section-heading p {
  font-size: 18px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.product-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.product-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: #eef3f4;
}

.product-body {
  padding: 26px;
}

.product-kicker {
  margin-bottom: 8px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.product-card dl {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
}

.product-card dl div {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 14px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.product-card dt {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.product-card dd {
  margin: 0;
  color: var(--ink);
  font-weight: 600;
}

.text-link {
  display: inline-flex;
  margin-top: 22px;
  color: var(--teal-dark);
  font-weight: 800;
}

.text-link:hover {
  color: var(--teal);
}

.product-page {
  background: var(--paper);
}

.product-hero {
  padding: 132px 0 84px;
  color: var(--ink);
  background: linear-gradient(180deg, #ffffff 0%, var(--paper) 100%);
}

.product-hero h1 {
  color: var(--ink);
}

.product-hero .hero-copy {
  color: var(--muted);
}

.product-hero-grid,
.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(0, 1.04fr);
  gap: 46px;
  align-items: center;
}

.product-main-image img {
  aspect-ratio: 4 / 3;
  min-height: 0;
}

.spec-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.spec-card .check-list {
  margin-top: 16px;
}

.spec-table {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.spec-table div {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 18px;
  min-height: 66px;
  align-items: center;
  padding: 16px 18px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.spec-table span {
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.spec-table strong {
  color: var(--ink);
  font-size: 15px;
}

.compact-contact {
  padding: 58px 0;
}

.footer-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.footer-cta h2 {
  margin-bottom: 0;
  font-size: clamp(28px, 3vw, 42px);
}

.contact-hero {
  color: var(--white);
  background:
    linear-gradient(120deg, rgba(24, 33, 37, 0.96), rgba(24, 33, 37, 0.78)),
    url("assets/01.png");
  background-size: cover;
  background-position: center;
}

.contact-hero h1 {
  color: var(--white);
}

.contact-hero .hero-copy {
  color: rgba(255, 255, 255, 0.76);
}

.contact-points {
  display: grid;
  gap: 12px;
  max-width: 640px;
  margin-top: 32px;
}

.contact-points article {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  align-items: center;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.contact-points span {
  color: var(--teal);
  font-weight: 800;
}

.contact-points p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.78);
  font-weight: 600;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  align-items: center;
}

.capability-copy {
  padding: 20px 28px;
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 18px;
}

.solution-card {
  grid-column: span 3;
  overflow: hidden;
  border-radius: 8px;
  background: var(--paper);
}

.solution-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.solution-card div {
  padding: 22px;
}

.solution-mini {
  grid-column: span 2;
  padding: 22px;
}

.solution-mini:nth-last-child(3) {
  border-top: 4px solid var(--teal);
}

.solution-mini:nth-last-child(2) {
  border-top: 4px solid var(--amber);
}

.solution-mini:nth-last-child(1) {
  border-top: 4px solid var(--plum);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.tech-grid article {
  padding: 24px;
  background: var(--white);
}

.tech-grid span {
  display: inline-flex;
  margin-bottom: 24px;
  color: var(--teal-dark);
  font-size: 13px;
  font-weight: 800;
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.workflow-grid article {
  position: relative;
  min-height: 230px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.workflow-grid span {
  display: inline-flex;
  margin-bottom: 34px;
  color: var(--amber);
  font-weight: 800;
}

.workflow-grid h3 {
  font-size: 20px;
}

.workflow-grid p {
  margin-bottom: 0;
}

.industry-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.industry-grid article {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.industry-grid ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.industry-grid li {
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--charcoal);
  background: var(--paper);
  font-size: 13px;
  font-weight: 700;
}

.patent-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.patent-list article {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 18px;
  align-items: center;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.patent-list span {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 8px;
  color: var(--white);
  background: var(--charcoal);
  font-weight: 800;
}

.patent-list p {
  margin-bottom: 0;
  color: var(--charcoal);
  font-weight: 600;
}

.story-grid,
.people-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.story-grid article,
.people-grid article {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.story-grid article {
  border-top: 4px solid var(--teal);
}

.story-grid article:nth-child(2) {
  border-top-color: var(--amber);
}

.story-grid article:nth-child(3) {
  border-top-color: var(--green);
}

.people-grid article {
  background: var(--paper);
}

.people-grid span {
  display: inline-flex;
  margin-bottom: 28px;
  color: var(--teal-dark);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.people-grid p,
.story-grid p {
  margin-bottom: 0;
}

.about-grid {
  align-items: center;
}

.team-list {
  display: grid;
  gap: 14px;
}

.team-list article {
  padding: 22px;
}

.team-list article:nth-child(1) {
  border-left: 5px solid var(--teal);
}

.team-list article:nth-child(2) {
  border-left: 5px solid var(--amber);
}

.team-list article:nth-child(3) {
  border-left: 5px solid var(--green);
}

.contact {
  color: var(--white);
  background: var(--charcoal);
}

.contact h2,
.contact h3 {
  color: var(--white);
}

.contact p {
  color: rgba(255, 255, 255, 0.72);
}

.contact-form {
  display: grid;
  gap: 14px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.contact-form label {
  display: grid;
  gap: 7px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
  font-weight: 700;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  padding: 13px 14px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  font: inherit;
  outline: none;
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  border-color: var(--teal);
}

.contact-form select {
  appearance: none;
}

.contact-form option {
  color: var(--ink);
}

.contact-form ::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.form-status {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
}

.form-status[data-state="success"] {
  color: #8ce8df;
}

.form-status[data-state="error"] {
  color: #ffb4b4;
}

/* 蜜罐欄位：對人類隱藏 */
.hp-field {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* 表單驗證樣式 */
.contact-form input:user-invalid,
.contact-form textarea:user-invalid,
.contact-form select:user-invalid {
  border-color: #e94560;
}

.contact-form label small {
  font-size: 12px;
  font-weight: 400;
  opacity: 0.7;
}

.footer {
  padding: 24px 0;
  color: rgba(255, 255, 255, 0.74);
  background: #0f1417;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer p {
  margin-bottom: 0;
  color: inherit;
}

.footer a {
  color: var(--teal);
  font-weight: 700;
}

.footer-social {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.74);
  background: rgba(255, 255, 255, 0.08);
  transition: background 200ms ease, color 200ms ease;
}

.footer-social a:hover {
  color: var(--white);
  background: var(--teal);
}

.footer-social svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

@media (max-width: 900px) {
  .site-header {
    flex-wrap: wrap;
    padding: 14px 20px;
  }

  .site-header.is-scrolled {
    padding: 10px 20px;
  }

  .nav {
    order: 3;
    display: flex;
    width: 100%;
    gap: 20px;
    overflow-x: auto;
    padding-top: 8px;
    white-space: nowrap;
    scrollbar-width: none;
  }

  .nav::-webkit-scrollbar {
    display: none;
  }

  .header-cta {
    min-height: 40px;
    padding: 0 13px;
    font-size: 13px;
  }

  .hero {
    height: 100svh;
    min-height: 0;
  }

  .hero-content {
    height: 100%;
    padding: 170px 0 56px;
  }

  .hero-copy {
    font-size: 18px;
  }

  section {
    padding: 68px 0;
  }

  .intro-grid,
  .split-grid,
  .about-grid,
  .contact-grid,
  .capability-grid,
  .product-grid,
  .product-hero-grid,
  .detail-grid {
    grid-template-columns: 1fr;
  }

  .capability-grid .image-panel:nth-child(3) {
    order: 4;
  }

  .capability-grid .capability-copy:nth-child(4) {
    order: 3;
  }

  .solution-card,
  .solution-mini {
    grid-column: span 6;
  }

  .tech-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .workflow-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .industry-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .patent-list {
    grid-template-columns: 1fr;
  }

  .story-grid,
  .people-grid {
    grid-template-columns: 1fr;
  }

  .spec-table {
    grid-template-columns: 1fr;
  }

  .spec-table div {
    border-right: 0;
  }

  .footer-cta {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 620px) {
  .container,
  .hero-content {
    width: min(100% - 28px, 1180px);
  }

  h1 {
    font-size: 42px;
  }

  h2 {
    font-size: 30px;
  }

  .brand-text {
    display: none;
  }

  .hero-actions,
  .btn {
    width: 100%;
  }

  .value-list article {
    grid-template-columns: 1fr;
  }

  .value-list h3,
  .value-list p {
    grid-column: auto;
  }

  .image-panel img {
    min-height: 260px;
  }

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

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

  .workflow-grid article {
    min-height: auto;
  }

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

  .patent-list article {
    grid-template-columns: 1fr;
  }

  .product-hero {
    padding-top: 132px;
  }

  .spec-table div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}