/*
Theme Name: Corridor Partnership
Theme URI: https://example.com/
Author: Codex
Description: Custom institutional partnership theme for Corridor Education Group Co., Ltd.
Version: 0.1.0
Text Domain: corridor-partnership
*/

:root {
  --color-navy: #0f2747;
  --color-blue: #16385f;
  --color-gold: #b79a63;
  --color-slate: #5f6e7c;
  --color-light: #eef2f5;
  --color-white: #ffffff;
  --color-text: #183047;
  --container: 1200px;
  --radius: 18px;
  --shadow: 0 18px 40px rgba(15, 39, 71, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--color-text);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  background: #fbfcfd;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(15,39,71,.08);
}
.container {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}
.header-inner, .footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.header-inner { min-height: 84px; }
.brand-title { font-size: 1.05rem; font-weight: 700; color: var(--color-navy); }
.brand-subtitle { font-size: .85rem; color: var(--color-slate); }
.main-nav ul {
  display: flex;
  gap: 22px;
  list-style: none;
  margin: 0;
  padding: 0;
  color: var(--color-blue);
  font-size: .96rem;
}
.header-cta, .button-primary, .button-secondary, .button-tertiary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  min-height: 46px;
  padding: 0 20px;
  font-weight: 600;
  transition: all .2s ease;
}
.header-cta, .button-primary {
  background: var(--color-navy);
  color: #fff;
}
.button-secondary {
  border: 1px solid rgba(15,39,71,.16);
  background: #fff;
  color: var(--color-navy);
}
.button-tertiary {
  min-height: auto;
  padding: 0;
  color: var(--color-blue);
}
.section { padding: 96px 0; }
.section-muted { background: var(--color-light); }
.section-dark { background: var(--color-navy); color: #fff; }
.eyebrow {
  margin-bottom: 14px;
  color: var(--color-gold);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .8rem;
  font-weight: 700;
}
.section-title, .hero-title {
  margin: 0 0 18px;
  line-height: 1.08;
  letter-spacing: -.03em;
  color: var(--color-navy);
}
.hero-title { font-size: clamp(2.4rem, 4vw, 4.2rem); }
.section-title { font-size: clamp(2rem, 3vw, 3rem); max-width: 720px; }
.section-dark .section-title, .section-dark p { color: #fff; }
.section-intro, .hero-copy {
  max-width: 720px;
  font-size: 1.08rem;
  color: var(--color-slate);
}
.hero {
  padding: 60px 0 72px;
  background:
    radial-gradient(circle at top left, rgba(183,154,99,.16), transparent 30%),
    linear-gradient(180deg, #f7fafc 0%, #ffffff 100%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 56px;
  align-items: center;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 28px 0 24px;
}
.hero-tags, .trust-grid, .cards-4, .cards-3, .footer-grid {
  display: grid;
  gap: 22px;
}
.hero-tags { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.hero-tag {
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(255,255,255,.88);
  border: 1px solid rgba(15,39,71,.08);
  font-size: .95rem;
  font-weight: 600;
  color: var(--color-blue);
}
.hero-media img {
  border-radius: 28px;
  box-shadow: var(--shadow);
  aspect-ratio: 5 / 6;
  object-fit: cover;
  width: 100%;
}
.trust-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.cards-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.cards-3, .footer-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card {
  background: #fff;
  border: 1px solid rgba(15,39,71,.08);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}
.card h3, .card h4 { margin: 0 0 12px; color: var(--color-navy); }
.card p, .card li, .meta { color: var(--color-slate); }
.two-col {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 40px;
  align-items: start;
}
.points-list { display: grid; gap: 18px; }
.points-list .card { box-shadow: none; }
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  margin-top: 34px;
}
.process-step {
  position: relative;
  background: #fff;
  border: 1px solid rgba(15,39,71,.08);
  border-radius: var(--radius);
  padding: 26px;
}
.step-number {
  display: inline-flex;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  background: rgba(183,154,99,.16);
  color: var(--color-navy);
  font-weight: 700;
  margin-bottom: 14px;
}
.status-badge {
  display: inline-flex;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(15,39,71,.08);
  color: var(--color-navy);
  font-size: .82rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.network-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 32px;
  align-items: start;
}
.logo-wall {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.logo-pill {
  padding: 16px 18px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid rgba(15,39,71,.08);
  font-weight: 600;
  color: var(--color-blue);
}
.credentials-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.credentials-image {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(15,39,71,.08);
  margin-bottom: 16px;
}
.footer {
  background: #081a30;
  color: rgba(255,255,255,.86);
  padding: 72px 0 24px;
}
.footer h4 { color: #fff; margin: 0 0 14px; }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer-bottom {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,.12);
  font-size: .92rem;
  color: rgba(255,255,255,.68);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 20px;
}
.footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.footer-legal-links a {
  color: rgba(255,255,255,.78);
}
.entry-content { padding: 80px 0; }
.entry-content h1 { color: var(--color-navy); }
.page-hero-grid {
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: 42px;
  align-items: start;
}
.page-hero-copy {
  min-width: 0;
}
.page-hero-media {
  min-width: 0;
}
.media-stack {
  display: grid;
  gap: 18px;
}
.media-frame {
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid rgba(15,39,71,.08);
  box-shadow: var(--shadow);
  background: #fff;
}
.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media-frame-tall {
  aspect-ratio: 5 / 6;
}
.media-frame-wide {
  aspect-ratio: 16 / 10;
}
.media-note {
  box-shadow: none;
}
.media-motion-card {
  background: linear-gradient(180deg, rgba(255,255,255,.98) 0%, rgba(238,242,245,.96) 100%);
}
.motion-preview-wrap {
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid rgba(15,39,71,.08);
  margin-top: 16px;
  background: #0f2747;
}
.motion-preview {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.card-media {
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid rgba(15,39,71,.08);
  margin-bottom: 6px;
  background: #fff;
}
.card-media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}
.single-cover {
  overflow: hidden;
  border-radius: 20px;
  border: 1px solid rgba(15,39,71,.08);
  margin: 24px 0 26px;
  box-shadow: var(--shadow);
}
.single-cover img {
  width: 100%;
  aspect-ratio: 16 / 8.8;
  object-fit: cover;
}

@media (max-width: 1024px) {
  .hero-grid, .two-col, .network-grid, .page-hero-grid { grid-template-columns: 1fr; }
  .trust-grid, .cards-4, .credentials-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .process-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .main-nav { display: none; }
}

@media (max-width: 640px) {
  .section { padding: 68px 0; }
  .container { width: min(var(--container), calc(100% - 24px)); }
  .header-inner { min-height: 74px; }
  .header-cta { display: none; }
  .hero-tags, .trust-grid, .cards-4, .cards-3, .credentials-grid, .footer-grid, .process-grid, .logo-wall {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
  .hero { padding-top: 36px; }
}

.contact-list {
  list-style: none;
  margin: 18px 0 24px;
  padding: 0;
  display: grid;
  gap: 12px;
}
.contact-list li {
  color: var(--color-slate);
}
.single-detail {
  padding: 36px;
}
.detail-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 28px;
  margin-top: 24px;
}
.detail-grid h3 {
  margin-top: 0;
}
@media (max-width: 900px) {
  .detail-grid {
    grid-template-columns: 1fr;
  }
}

.corridor-form-wrap {
  margin-top: 18px;
}
.corridor-form {
  display: grid;
  gap: 16px;
}
.corridor-form-grid {
  display: grid;
  gap: 14px;
}
.corridor-form-grid-general,
.corridor-form-grid-meeting {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.corridor-form-grid-partnership {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.corridor-form-field {
  display: grid;
  gap: 8px;
}
.corridor-form-field-textarea {
  grid-column: 1 / -1;
}
.corridor-form label {
  font-size: .92rem;
  font-weight: 600;
  color: var(--color-blue);
}
.corridor-form input,
.corridor-form textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(15,39,71,.12);
  background: #fff;
  color: var(--color-text);
  font: inherit;
}
.corridor-form textarea {
  min-height: 128px;
  resize: vertical;
}
.corridor-form input:focus,
.corridor-form textarea:focus {
  outline: none;
  border-color: rgba(15,39,71,.4);
  box-shadow: 0 0 0 4px rgba(15,39,71,.08);
}
.corridor-form-submit {
  width: 100%;
}
.corridor-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.corridor-form-alert {
  padding: 12px 14px;
  border-radius: 14px;
  margin-bottom: 14px;
  font-size: .94rem;
}
.corridor-form-alert.success {
  background: rgba(14, 125, 88, .10);
  color: #0e7d58;
  border: 1px solid rgba(14, 125, 88, .18);
}
.corridor-form-alert.error {
  background: rgba(173, 54, 54, .10);
  color: #a12f2f;
  border: 1px solid rgba(173, 54, 54, .18);
}
@media (max-width: 900px) {
  .corridor-form-grid-general,
  .corridor-form-grid-meeting,
  .corridor-form-grid-partnership {
    grid-template-columns: 1fr;
  }
}

.meta {
  margin-bottom: 10px;
  font-size: .92rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.stat-card {
  background: #fff;
  border: 1px solid rgba(15,39,71,.08);
  border-radius: 16px;
  padding: 22px;
  box-shadow: var(--shadow);
}
.stat-card strong {
  display: block;
  font-size: 2rem;
  line-height: 1;
  color: var(--color-navy);
  margin-bottom: 8px;
}
.stat-card span {
  color: var(--color-slate);
  font-size: .95rem;
}
.meta-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.meta-chip {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 7px 12px;
  background: rgba(15,39,71,.06);
  color: var(--color-blue);
  font-size: .82rem;
  font-weight: 600;
}
.resource-card,
.team-card,
.institution-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.resource-card-top,
.team-card-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  align-items: center;
}
.team-card-image,
.institution-logo {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(15,39,71,.08);
  background: #fff;
}
.team-card-image img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.team-card-placeholder {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(15,39,71,.08);
  color: var(--color-navy);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.25rem;
}
.institution-logo {
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.institution-logo img {
  max-height: 58px;
  width: auto;
  object-fit: contain;
}
.list-clean {
  margin: 16px 0 0;
  padding-left: 18px;
  color: var(--color-slate);
}
.list-clean li + li {
  margin-top: 10px;
}

@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

.page-detail .section-title {
  max-width: none;
}
.prose-content {
  color: var(--color-slate);
}
.prose-content h2,
.prose-content h3 {
  color: var(--color-navy);
  margin-top: 28px;
  margin-bottom: 12px;
}
.prose-content ul,
.prose-content ol {
  padding-left: 22px;
  margin: 0 0 18px;
}
.prose-content li + li {
  margin-top: 8px;
}
.prose-content p:last-child {
  margin-bottom: 0;
}

.resource-related-links {
  display: grid;
  gap: 8px;
}
.resource-related-links a {
  color: var(--color-blue);
  font-size: .93rem;
  font-weight: 500;
}

.insight-archive-grid {
  align-items: stretch;
}
.insight-card {
  min-height: 100%;
}
.insight-cta-card {
  justify-content: center;
}

@media (max-width: 900px) {
  .single-detail {
    padding: 28px;
  }
}

@media (max-width: 640px) {
  .card,
  .process-step,
  .single-detail,
  .stat-card {
    padding: 22px;
  }
  .hero-actions {
    gap: 12px;
  }
  .hero-actions .button-primary,
  .hero-actions .button-secondary {
    width: 100%;
  }
  .button-primary,
  .button-secondary {
    min-height: 44px;
  }
  .meta-list {
    gap: 8px;
  }
  .meta-chip {
    font-size: .78rem;
    padding: 6px 10px;
  }
  .resource-card,
  .team-card,
  .institution-card,
  .insight-card {
    gap: 12px;
  }
  .single-cover {
    margin: 20px 0 22px;
  }
}