/* ═══════════════════════════════════════════════
   Poster-Inspired Design Language
   Visual identity derived from the poster series:
   bold, high-impact, government-adjacent aesthetic
   ═══════════════════════════════════════════════ */

:root {
  --yellow: #FFB800;
  --black: #000000;
  --white: #ffffff;
  --dark-gray: #222222;
  --mid-gray: #555555;
  --light-gray: #f5f5f5;
  --container-width: 1100px;
  --border-thick: 5px solid var(--black);
  --shadow-hard: 6px 6px 0 var(--black);
}

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

body {
  font-family: 'Inter', 'Noto Sans TC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--black);
  line-height: 1.5;
  background: var(--white);
  scroll-behavior: smooth;
  overflow-wrap: anywhere;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
}

/* ═══ LINKS ═══ */
a {
  color: var(--black);
  text-decoration: none;
}

/* ═══ HEADER / NAV ═══ */
header {
  background: var(--white);
  border-bottom: var(--border-thick);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-direction: row;
  gap: 0.9rem;
}

.logo-area {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.logo-area .nav-logo {
  height: 44px;
  width: auto;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
}

.nav-links a {
  text-decoration: none;
  color: var(--black);
  font-weight: 800;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: opacity 0.2s;
  padding: 0.4rem 0;
}

.nav-links a:hover {
  opacity: 0.6;
}

#lang-toggle {
  font-family: inherit;
  font-weight: 800;
  font-size: 0.8rem;
  text-transform: uppercase;
  background: var(--yellow);
  color: var(--black);
  border: 2px solid var(--black);
  padding: 0.5rem 1rem;
  border-radius: 0;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23000' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 32px;
}

#lang-toggle:hover {
  background-color: #e5a600;
}

.nav-links .btn-small {
  background: var(--black);
  color: var(--white) !important;
  padding: 0.5rem 1.2rem;
  border: 2px solid var(--black);
  border-radius: 0;
  font-weight: 900;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.5px;
  transition: all 0.15s;
}

.nav-links .btn-small:hover {
  background: var(--yellow);
  color: var(--black) !important;
  opacity: 1;
}

/* ═══ HERO ═══ */
.hero {
  padding: 6rem 0 5rem;
  background: var(--yellow);
  text-align: center;
  position: relative;
  border-bottom: var(--border-thick);
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.badge {
  display: inline-block;
  background: var(--black);
  color: var(--yellow);
  font-weight: 900;
  font-size: 0.85rem;
  padding: 0.5rem 1.2rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.05;
  margin-bottom: 1.5rem;
  letter-spacing: -1.5px;
  text-transform: uppercase;
  color: var(--black);
}

.hero .highlight {
  text-decoration: underline;
  text-decoration-thickness: 4px;
  text-underline-offset: 6px;
  text-decoration-color: var(--black);
}

.hero p {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 2.5rem;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.hero-btns {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--black);
  color: var(--white);
  padding: 1rem 2.5rem;
  font-weight: 900;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: 3px solid var(--black);
  transition: all 0.15s;
  display: inline-block;
}

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

.btn-secondary {
  background: var(--white);
  color: var(--black);
  border: 3px solid var(--black);
  padding: 1rem 2.5rem;
  font-weight: 900;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.15s;
  display: inline-block;
}

.btn-secondary:hover {
  background: var(--black);
  color: var(--white);
}

/* ═══ SECTION TITLES ═══ */
.section-title-wrap {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title {
  font-size: 2.8rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -1px;
  display: inline-block;
}

.section-title::after {
  content: '';
  display: block;
  width: 100%;
  height: 5px;
  background: var(--black);
  margin-top: 8px;
}

/* ═══ SERVICES ═══ */
.services {
  padding: 5rem 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.service-card {
  padding: 2rem;
  background: var(--light-gray);
  border: 3px solid var(--black);
  transition: all 0.2s;
}

.service-card:hover {
  background: var(--yellow);
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-hard);
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.service-card h3 {
  font-size: 1.3rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  margin-bottom: 0.75rem;
}

.service-card p {
  color: var(--dark-gray);
  font-weight: 600;
  font-size: 0.95rem;
}

/* ═══ ABOUT ═══ */
.about {
  padding: 5rem 0;
  background: var(--white);
  border-top: var(--border-thick);
  border-bottom: var(--border-thick);
}

.about-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 3rem;
}

.about-text {
  flex: 1.5;
  min-width: 300px;
}

.about-text h2 {
  font-size: 2.2rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.5px;
  margin-bottom: 1.5rem;
  line-height: 1.1;
}

.about-text p {
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 1rem;
  color: var(--black);
}

.about-partners,
.about-funders {
  flex: 1;
  min-width: 200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.logo-label {
  font-size: 0.8rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--black);
  text-align: center;
  border-bottom: 3px solid var(--black);
  padding-bottom: 0.5rem;
  width: 100%;
}

.logo-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: center;
  justify-items: center;
}

.logo-grid img {
  max-width: 150px;
  max-height: 80px;
  object-fit: contain;
}

/* Logos in about section */
.about .logo-grid img {
}

/* ═══ CONTACT ═══ */
.contact {
  padding: 5rem 0;
}

.contact-card {
  background: var(--black);
  color: var(--white);
  text-align: center;
  padding: 4rem 2rem;
  border: 3px solid var(--black);
  max-width: 800px;
  margin: 0 auto;
}

.contact-card h2 {
  font-size: 2.8rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -1px;
  margin-bottom: 1rem;
  line-height: 1.1;
}

.contact-card p {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 2.5rem;
  opacity: 0.85;
}

.btn-primary-large {
  background: var(--yellow);
  color: var(--black);
  padding: 1.2rem 3rem;
  font-weight: 900;
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: 3px solid var(--black);
  transition: all 0.15s;
  display: inline-block;
}

.btn-primary-large:hover {
  background: var(--white);
  color: var(--black);
}

.contact-footer {
  margin-top: 2.5rem;
}

.contact-footer p {
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.7;
  font-size: 0.85rem;
}

/* ═══ FOOTER ═══ */
footer {
  background: var(--white);
  border-top: var(--border-thick);
}

.footer-cta-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  flex-direction: column;
  gap: 1rem;
  text-align: center;
}

.footer-cta-items {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  justify-content: center;
  row-gap: 0.4rem;
}

.footer-cta-items span {
  font-weight: 900;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-right: 2px solid var(--black);
  padding-right: 2rem;
}

.footer-cta-items span:last-child {
  border-right: none;
  padding-right: 0;
  font-size: 0.8rem;
}

.footer-email {
  text-align: right;
  max-width: 100%;
}

.footer-email .email-label {
  font-weight: 900;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.7;
}

.footer-email .email-addr {
  font-weight: 900;
  font-size: 1.1rem;
  color: var(--black);
  text-decoration: none;
}

.footer-email .email-addr:hover {
  text-decoration: underline;
}

.footer-copyright {
  text-align: center;
  padding: 1.5rem 2rem;
  border-top: 2px solid var(--black);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ═══ DECORATIVE STRIP ═══ */
.decorative-strip {
  height: 12px;
  background: var(--yellow);
  border-bottom: var(--border-thick);
  width: 100%;
}

/* ═══ RESPONSIVE ═══ */
@media (max-width: 900px) {
  nav {
    flex-direction: column;
    gap: 0.9rem;
  }
  .footer-cta-bar {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  .footer-cta-items {
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    row-gap: 0.4rem;
  }
  .footer-email {
    text-align: center;
  }
}

@media (max-width: 768px) {
  body {
    overflow-wrap: anywhere;
  }
  .container {
    padding: 0 1.25rem;
  }
  .hero h1 {
    font-size: 2.2rem;
    letter-spacing: -0.5px;
  }
  .hero {
    padding: 3.5rem 0 3rem;
  }
  .hero p {
    font-size: 1.05rem;
    margin-bottom: 2rem;
  }
  .section-title {
    font-size: 2rem;
  }
  .section-title-wrap {
    margin-bottom: 2rem;
  }
  .services,
  .about,
  .contact {
    padding: 3.5rem 0;
  }
  .services-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  .about-wrapper {
    flex-direction: column;
    gap: 2rem;
  }
  .about-text h2 {
    font-size: 1.7rem;
  }
  .contact-card {
    padding: 2.5rem 1.25rem;
  }
  .contact-card h2 {
    font-size: 2rem;
  }
  .contact-card p {
    font-size: 1rem;
  }
  .btn-primary-large {
    padding: 1rem 1.5rem;
    font-size: 0.95rem;
    word-break: break-word;
  }
  .footer-cta-items span {
    border-right: none;
    padding-right: 0;
    font-size: 0.8rem;
  }
  .footer-copyright {
    padding: 1rem 1.25rem;
  }
  .logo-area .nav-logo {
    height: 32px;
  }
  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.6rem 1rem;
  }
  .nav-links a {
    font-size: 0.8rem;
  }
  #lang-toggle {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.7rem;
  }
  .hero-btns {
    flex-direction: column;
    align-items: stretch;
  }
  .btn-primary,
  .btn-secondary {
    text-align: center;
    padding: 0.9rem 1.25rem;
  }
  .section-title {
    font-size: 1.6rem;
  }
  .badge {
    font-size: 0.7rem;
    letter-spacing: 1px;
    padding: 0.4rem 0.9rem;
  }
  .card-icon {
    font-size: 2rem;
  }
  .logo-grid img {
    max-width: 120px;
    max-height: 60px;
  }
  .contact-card h2 {
    font-size: 1.6rem;
  }
}