/* IRIE platform homepage: one mission, one operating route, three public gateways. */

.strategy-hero-title span {
  display: block;
}

.hero-copy h1.strategy-hero-title {
  max-width: 1000px;
  font-size: clamp(1.6rem, 2.8vw, 3rem);
  line-height: 1.55;
  white-space: normal;
}

.platform-home-section {
  padding-block: clamp(96px, 9vw, 148px);
}

.platform-home-section .section-intro {
  max-width: 720px;
  margin: 26px auto 0;
  color: var(--color-text-soft);
  text-align: center;
}

.philosophy-section {
  background: var(--color-bg-light);
}

.philosophy-layout {
  display: grid;
  grid-template-columns: minmax(260px, .8fr) minmax(420px, 1.2fr);
  gap: clamp(56px, 8vw, 120px);
  align-items: start;
  width: min(100%, 1080px);
  margin-inline: auto;
}

.philosophy-heading h2 {
  margin-top: 18px;
  font-size: clamp(2rem, 3.5vw, 3.5rem);
  line-height: 1.55;
}

.philosophy-vision {
  margin-top: 32px;
  padding-left: 20px;
  border-left: 1px solid #a88662;
  color: var(--color-text-soft);
  font-family: var(--serif);
  line-height: 1.9;
}

.principle-list {
  border-top: 1px solid var(--color-line);
}

.principle-item {
  display: grid;
  grid-template-columns: minmax(180px, .8fr) minmax(260px, 1.2fr);
  gap: clamp(24px, 4vw, 54px);
  padding-block: clamp(28px, 3vw, 42px);
  border-bottom: 1px solid var(--color-line);
}

.principle-item h3 {
  font-size: clamp(1.2rem, 1.8vw, 1.55rem);
  line-height: 1.6;
}

.principle-item p {
  color: var(--color-text-soft);
  font-size: .92rem;
  line-height: 2;
}

.ecosystem-section {
  overflow: hidden;
  background: #2a2521;
  color: rgba(248, 245, 240, .9);
}

.ecosystem-section .eyebrow,
.ecosystem-section .section-intro {
  color: rgba(248, 245, 240, .62);
}

.ecosystem-section h2 {
  color: #f8f5f0;
}

.ecosystem-route {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
  width: min(100%, 1160px);
  margin: clamp(64px, 7vw, 96px) auto 0;
  padding-top: 30px;
}

.ecosystem-route::before {
  position: absolute;
  top: 8px;
  right: 8%;
  left: 8%;
  height: 1px;
  background: rgba(168, 134, 98, .58);
  content: "";
}

.route-step {
  position: relative;
  padding: 30px clamp(12px, 2vw, 28px) 0;
  text-align: center;
}

.route-step::before {
  position: absolute;
  top: -26px;
  left: 50%;
  width: 9px;
  height: 9px;
  border: 1px solid #a88662;
  background: #2a2521;
  content: "";
  transform: translateX(-50%) rotate(45deg);
}

.route-step span {
  display: block;
  margin-bottom: 12px;
  color: rgba(248, 245, 240, .48);
  font-size: .66rem;
  letter-spacing: .18em;
}

.route-step strong {
  display: block;
  color: #f8f5f0;
  font-family: var(--serif);
  font-size: clamp(1rem, 1.5vw, 1.3rem);
  font-weight: 400;
  line-height: 1.7;
}

.gateway-section {
  background: var(--color-bg);
}

.gateway-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: min(100%, 1160px);
  margin: clamp(58px, 6vw, 86px) auto 0;
  border-top: 1px solid var(--color-line);
  border-left: 1px solid var(--color-line);
}

.gateway-card {
  display: flex;
  min-height: 390px;
  flex-direction: column;
  padding: clamp(34px, 4vw, 54px);
  border-right: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  transition: background-color 190ms ease-out;
}

.gateway-card:hover,
.gateway-card:focus-within {
  background: rgba(232, 222, 211, .44);
}

.gateway-card .eyebrow {
  margin-bottom: 34px;
  color: #8b755f;
}

.gateway-card h3 {
  margin-bottom: 24px;
  font-size: clamp(1.45rem, 2.2vw, 2rem);
  line-height: 1.55;
}

.gateway-card > p {
  margin-bottom: 30px;
  color: var(--color-text-soft);
  line-height: 1.95;
}

.gateway-links {
  margin-top: auto;
  border-top: 1px solid var(--color-line);
}

.gateway-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 15px;
  border-bottom: 1px solid var(--color-line-light);
  font-size: .86rem;
}

.about-entry {
  display: grid;
  grid-template-columns: minmax(140px, .45fr) minmax(180px, .55fr) minmax(320px, 1.2fr) auto;
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  width: min(100%, 1160px);
  margin: 34px auto 0;
  padding: 32px clamp(10px, 2vw, 26px);
  border-bottom: 1px solid var(--color-line);
}

.about-entry strong {
  font-family: var(--serif);
  font-size: clamp(1.25rem, 2vw, 1.7rem);
  font-weight: 400;
}

.about-entry small {
  color: var(--color-text-soft);
  line-height: 1.8;
}

.updates-section {
  background: var(--color-bg-light);
}

.updates-list {
  width: min(100%, 980px);
  margin: clamp(52px, 6vw, 78px) auto 0;
  border-top: 1px solid var(--color-line);
}

.update-row {
  display: grid;
  grid-template-columns: minmax(150px, .55fr) minmax(360px, 1.45fr) auto;
  gap: clamp(26px, 5vw, 70px);
  align-items: center;
  padding-block: clamp(28px, 3vw, 42px);
  border-bottom: 1px solid var(--color-line);
}

.update-row .eyebrow {
  color: #8b755f;
}

.update-row strong {
  display: block;
  margin-bottom: 7px;
  font-family: var(--serif);
  font-size: clamp(1.15rem, 1.8vw, 1.5rem);
  font-weight: 400;
}

.update-row small {
  color: var(--color-text-soft);
}

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

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

  .gateway-card {
    min-height: 0;
  }
}

@media (max-width: 768px) {
  .hero-copy h1.strategy-hero-title {
    font-size: clamp(1.42rem, 6vw, 2rem);
    line-height: 1.65;
  }

  .platform-home-section {
    padding-block: 80px;
  }

  .principle-item,
  .about-entry,
  .update-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .ecosystem-route {
    grid-template-columns: 1fr;
    margin-top: 52px;
    padding: 0 0 0 30px;
  }

  .ecosystem-route::before {
    top: 20px;
    bottom: 20px;
    left: 8px;
    width: 1px;
    height: auto;
  }

  .route-step {
    padding: 18px 0 22px 26px;
    text-align: left;
  }

  .route-step::before {
    top: 29px;
    left: -22px;
  }

  .route-step span {
    margin-bottom: 6px;
  }

  .about-entry {
    padding-block: 26px;
  }
}

@media (max-width: 390px) {
  .strategy-hero-title span:last-child {
    max-width: 12em;
    margin-inline: auto;
  }

  .gateway-card {
    padding: 30px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .gateway-card {
    transition-duration: .01ms;
  }
}


/* Quiet editorial image pair: restores visual rhythm without location labels. */
.platform-home-media-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 28px);
  width: min(calc(100% - 40px), 1160px);
  margin: clamp(68px, 7vw, 104px) auto 0;
}

.philosophy-section {
  padding-bottom: clamp(72px, 7vw, 104px);
}

.platform-home-media-grid figure {
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--color-bg);
}

.platform-home-media-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 680px) {
  .philosophy-section {
    padding-bottom: 56px;
  }

  .platform-home-media-grid {
    grid-template-columns: 1fr;
    gap: 12px;
    width: min(calc(100% - 32px), 1160px);
    margin-top: 56px;
  }

  .platform-home-media-grid figure {
    aspect-ratio: 4 / 3;
  }
}