/* HCI product page — hero stats + content sections (tokens from tokens.css) */

/* ── Hero stats ── */
.hero-stats-wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-module) var(--space-gutter) 0;
  box-sizing: border-box;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  max-width: 100%;
  margin: 0;
  padding: 0;
  position: relative;
  z-index: 2;
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
}
.hero-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  padding: 0 var(--space-card);
  border-radius: 0;
  position: relative;
  text-align: center;
}
.hero-stat:first-child { padding-left: 0; }
.hero-stat:last-child { padding-right: 0; }
.hero-stat:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 12%;
  bottom: 12%;
  width: 1px;
  background: var(--color-border);
}
.hero-stat-bar { display: none; }
.hero-stat-n {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  color: var(--color-title);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 8px;
}
.hero-stat-n span {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-left: 2px;
}
.hero-stat-l {
  font-size: var(--font-size-body);
  color: var(--color-text-secondary);
  line-height: 1.45;
}
@media (max-width: 960px) {
  .hero-stats { grid-template-columns: 1fr 1fr; row-gap: var(--space-card); }
  .hero-stat { padding: 0 var(--space-card) var(--space-card); }
  .hero-stat:nth-child(2n)::after { display: none; }
  .hero-stat:nth-child(-n+2) {
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--space-card);
  }
  .hero-stat:nth-child(n+3)::after { display: none; }
  .hero-stat:nth-child(odd) { padding-left: 0; }
  .hero-stat:nth-child(even) { padding-right: 0; }
}
@media (max-width: 640px) {
  .hero-stats-wrap { padding-top: var(--space-card); }
  .hero-stat-n { font-size: var(--font-size-2xl); }
  .hero-stat-n span { font-size: var(--font-size-base); }
  .hero-stat-l { font-size: var(--font-size-caption); }
}

/* ══ WHY HCI — 4 cols; blue on hover only ═══════════════════════ */
.section-why .why-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-card);
}
.section-why .why-card {
  background: var(--gradient-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-card);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 0;
  transition: border-color .28s ease, color .28s ease, box-shadow .28s ease;
}
/* 光束：仅扫过一次（不循环） */
.section-why .why-card::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 42%;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(
    100deg,
    transparent 0%,
    rgba(170, 220, 255, 0) 35%,
    rgba(200, 240, 255, 0.55) 50%,
    rgba(170, 220, 255, 0) 65%,
    transparent 100%
  );
  opacity: 0;
  transform: translateX(-130%);
  mix-blend-mode: screen;
}
.section-why .why-icon {
  width: 48px;
  height: 48px;
  margin: 0 0 14px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  position: relative;
  z-index: 2;
}
.section-why .why-icon img {
  display: block;
  width: 48px;
  height: 48px;
  object-fit: contain;
}
.section-why .why-title {
  font-size: var(--font-size-module-title);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-title);
  line-height: 1.3;
  margin: 0 0 10px;
  position: relative;
  z-index: 2;
  font-family: var(--font-sans);
}
.section-why .why-txt {
  font-size: var(--font-size-body);
  color: var(--color-text-secondary);
  line-height: 1.65;
  margin: 0;
  position: relative;
  z-index: 2;
  flex: 1;
}
/* 圆点底纹：旋转进入一次（不做上下位移） */
.section-why .why-card::after {
  content: '';
  position: absolute;
  inset: -18%;
  z-index: 0;
  pointer-events: none;
  background: url("/static/skin/images/product/hci/block-4-hover-bg.png") center / cover no-repeat;
  opacity: 0;
  transform: rotate(-20deg) scale(0.86);
  transform-origin: 68% 42%;
}
.section-why .why-card:hover {
  background-color: #023d73;
  background-image: var(--gradient-1);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border-color: transparent;
  box-shadow: var(--shadow-selected);
}
.section-why .why-card:hover::after {
  animation: why-dots-spin-in .65s cubic-bezier(.22, 1, .36, 1) forwards;
}
.section-why .why-card:hover::before {
  animation: why-beam-once .85s .12s ease-out forwards;
}
.section-why .why-card:hover .why-title,
.section-why .why-card:hover .why-txt {
  color: var(--color-text-on-dark);
}
@keyframes why-dots-spin-in {
  from {
    opacity: 0;
    transform: rotate(-20deg) scale(0.86);
  }
  to {
    opacity: 1;
    transform: rotate(0deg) scale(1.05);
  }
}
@keyframes why-beam-once {
  0% {
    opacity: 0.95;
    transform: translateX(-130%);
  }
  100% {
    opacity: 0;
    transform: translateX(280%);
  }
}
@media (prefers-reduced-motion: reduce) {
  .section-why .why-card:hover::after,
  .section-why .why-card:hover::before {
    animation: none;
  }
  .section-why .why-card:hover::after {
    opacity: 1;
    transform: rotate(0deg) scale(1.05);
  }
}

/* ══ ARCHITECTURE — 3 vertical cards ═════════════════════════════ */
#architecture .arch-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-card);
}
#architecture .arch-vcard {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: background .28s ease, border-color .28s ease, color .28s ease, transform .28s ease, box-shadow .28s ease;
}
#architecture .arch-vcard-media {
  aspect-ratio: 16 / 8;
  overflow: hidden;
  background: var(--gradient-2);
}
#architecture .arch-vcard-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
#architecture .arch-vcard-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: calc(var(--space-card) * 1.2) var(--space-card);
  box-sizing: border-box;
  background: linear-gradient(354deg, #d2e7ff4d 0%, #d2e7ff1a 81%);
  transition: background .28s ease;
}
#architecture .arch-vcard-eyebrow {
  order: 2;
  margin: 0 0 14px;
  font-size: var(--font-size-caption);
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  color: var(--color-block-dec);
  font-family: var(--font-sans);
  transition: color .28s ease;
}
#architecture .arch-vcard-title {
  order: 1;
  margin: 0 0 8px;
  font-size: var(--font-size-module-title);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--color-title);
  font-family: var(--font-sans);
  transition: color .28s ease;
}
#architecture .arch-vcard-feats {
  order: 3;
  list-style: none;
  margin: 0 0 var(--space-card);
  padding: 0;
  flex: 1;
}
#architecture .arch-vcard-feat {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: var(--font-size-body);
  color: var(--color-text-secondary);
  line-height: 1.55;
  margin-bottom: 8px;
  transition: color .28s ease;
}
#architecture .arch-vcard-feat::before {
  content: '';
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  margin-top: 7px;
  border-radius: 2px;
  background: var(--color-primary);
  transition: background .28s ease;
}
#architecture .arch-vcard-tags {
  order: 4;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}
#architecture .arch-vcard-tag {
  display: inline-flex;
  align-items: center;
  font-size: var(--font-size-caption);
  font-weight: 500;
  color: var(--color-primary);
  background: transparent;
  border: 1px solid rgba(28, 88, 155, 0.3);
  border-radius: var(--radius-pill);
  padding: 6px 12px;
  font-family: var(--font-sans);
  transition: color .28s ease, background .28s ease, border-color .28s ease;
}
#architecture .arch-vcard:hover {
  border-color: rgba(0, 87, 156, 0.28);
  transform: translateY(-2px);
  box-shadow: var(--shadow-selected);
}
#architecture .arch-vcard:hover .arch-vcard-body {
  background: var(--color-primary);
}
#architecture .arch-vcard:hover .arch-vcard-eyebrow,
#architecture .arch-vcard:hover .arch-vcard-title,
#architecture .arch-vcard:hover .arch-vcard-feat {
  color: var(--color-text-on-dark);
}
#architecture .arch-vcard:hover .arch-vcard-feat::before {
  background: var(--color-text-on-dark);
}
#architecture .arch-vcard:hover .arch-vcard-tag {
  background: var(--bg-card, #fff);
  border-color: transparent;
}
#architecture .arch-footer {
  margin-top: var(--space-module);
  text-align: center;
}
#architecture .arch-footer-title {
  margin: 0 0 8px;
  font-size: var(--font-size-subtitle);
  font-weight: 700;
  color: var(--color-title);
  font-family: var(--font-sans);
}
#architecture .arch-footer-txt {
  margin: 0 auto;
  max-width: 560px;
  font-size: var(--font-size-body);
  line-height: 1.65;
  color: var(--color-text-secondary);
}

/* ══ CORE CAPABILITIES — 3 + 2 centered; blue on hover ══════════ */
#features .feat-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-card);
}
#features .feat-card {
  grid-column: span 2;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: calc(var(--space-card) * 2) var(--space-card);
  text-align: center;
  box-sizing: border-box;
  position: relative;
  overflow: hidden;
  transition: border-color .28s ease, color .28s ease, box-shadow .28s ease;
}
#features .feat-card:nth-child(4) { grid-column: 2 / 4; }
#features .feat-card:nth-child(5) { grid-column: 4 / 6; }
/* 光束：与 why-card 一致，仅扫过一次 */
#features .feat-card::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 42%;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(
    100deg,
    transparent 0%,
    rgba(170, 220, 255, 0) 35%,
    rgba(200, 240, 255, 0.55) 50%,
    rgba(170, 220, 255, 0) 65%,
    transparent 100%
  );
  opacity: 0;
  transform: translateX(-130%);
  mix-blend-mode: screen;
}
/* 圆点底纹：旋转进入一次 */
#features .feat-card::after {
  content: '';
  position: absolute;
  inset: -18%;
  z-index: 0;
  pointer-events: none;
  background: url("/static/skin/images/product/hci/block-4-hover-bg.png") center / cover no-repeat;
  opacity: 0;
  transform: rotate(-20deg) scale(0.86);
  transform-origin: 68% 42%;
}
#features .feat-title {
  margin: 0 0 12px;
  font-family: var(--font-sans);
  font-size: var(--font-size-module-title);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--color-title);
  position: relative;
  z-index: 2;
}
#features .feat-txt {
  margin: 0;
  font-size: var(--font-size-body);
  line-height: 1.65;
  color: var(--color-text-secondary);
  position: relative;
  z-index: 2;
}
#features .feat-card:hover {
  background-color: #023d73;
  background-image: var(--gradient-1);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border-color: transparent;
  box-shadow: var(--shadow-selected);
}
#features .feat-card:hover::after {
  animation: why-dots-spin-in .65s cubic-bezier(.22, 1, .36, 1) forwards;
}
#features .feat-card:hover::before {
  animation: why-beam-once .85s .12s ease-out forwards;
}
#features .feat-card:hover .feat-title,
#features .feat-card:hover .feat-txt {
  color: var(--color-text-on-dark);
}
@media (prefers-reduced-motion: reduce) {
  #features .feat-card:hover::after,
  #features .feat-card:hover::before {
    animation: none;
  }
  #features .feat-card:hover::after {
    opacity: 1;
    transform: rotate(0deg) scale(1.05);
  }
}

/* ══ DEPLOYMENT — 3 text cards ═══════════════════════════════════ */
#deployment .dep-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-card);
}
#deployment .dep-card {
  background: linear-gradient(358deg, #d2e7ff4d 2%, #d2e7ff1a 96%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: calc(var(--space-card) * 1.6) var(--space-card);
  transition: background .28s ease, border-color .28s ease, color .28s ease, transform .28s ease, box-shadow .28s ease;
}
#deployment .dep-title {
  margin: 0 0 10px;
  font-family: var(--font-sans);
  font-size: var(--font-size-module-title);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--color-title);
}
#deployment .dep-txt {
  margin: 0;
  font-size: var(--font-size-body);
  line-height: 1.65;
  color: var(--color-text-secondary);
}
#deployment .dep-card:hover {
  background-color: #023d73;
  background-image:
    url("/static/skin/images/product/hci/block-5-hover-bg.png"),
    var(--gradient-1);
  background-size: cover, cover;
  background-position: center, center;
  background-repeat: no-repeat, no-repeat;
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: var(--shadow-selected);
}
#deployment .dep-card:hover .dep-title,
#deployment .dep-card:hover .dep-txt {
  color: var(--color-text-on-dark);
}

/* ══ TCO — always-blue panel ═════════════════════════════════════ */
#tco .tco-panel {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  background-color: #023d73;
  background-image:
    url("/static/skin/images/product/hci/block-6-left-bg.png"),
    linear-gradient(99deg, #023d73 0%, #02569b 64%, #014a86 97%);
  background-size: cover, cover;
  background-position: center, center;
  background-repeat: no-repeat, no-repeat;
  border-radius: var(--radius-md);
  padding: calc(var(--space-card) * 2) var(--space-card);
  overflow: hidden;
}
#tco .tco-col {
  position: relative;
  padding: 0 var(--space-card);
  text-align: center;
}
#tco .tco-col:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 8%;
  bottom: 8%;
  width: 1px;
  background: rgba(255, 255, 255, 0.25);
}
#tco .tco-title {
  margin: 0 0 10px;
  font-family: var(--font-sans);
  font-size: var(--font-size-module-title);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--color-text-on-dark);
}
#tco .tco-txt {
  margin: 0;
  font-size: var(--font-size-body);
  line-height: 1.65;
  color: var(--color-text-on-dark-muted);
}

/* ══ USE CASES — ZVF 2×2 split cards ═════════════════════════════ */
#usecases .zuc-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-card);
}
#usecases .zuc {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(140px, 0.85fr);
  align-items: stretch;
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color .28s ease, transform .28s ease, box-shadow .28s ease;
}
#usecases .zuc:hover {
  border-color: rgba(0, 87, 156, 0.28);
  transform: translateY(-2px);
  box-shadow: var(--shadow-selected);
}
#usecases .zuc-body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: calc(var(--space-card) * 1.4) var(--space-card);
  box-sizing: border-box;
  min-width: 0;
}
#usecases .zuc-title {
  margin: 0 0 8px;
  font-family: var(--font-sans);
  font-size: var(--font-size-module-title);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--color-title);
}
#usecases .zuc-eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-sans);
  font-size: var(--font-size-caption);
  font-weight: 500;
  line-height: 1.4;
  color: var(--color-block-dec);
}
#usecases .zuc-metric {
  margin: 0 0 14px;
  font-family: var(--font-sans);
  font-size: var(--font-size-body);
  font-weight: 400;
  line-height: 1.55;
  color: var(--color-text-secondary);
}
#usecases .zuc-txt {
  margin: 0 0 14px;
  font-size: var(--font-size-body);
  line-height: 1.65;
  color: var(--color-text-secondary);
}
#usecases .zuc-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 12px;
}
#usecases .zuc-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  font-family: var(--font-sans);
  font-size: var(--font-size-caption);
  font-weight: 500;
  line-height: 1.4;
  color: var(--color-primary);
  background: rgba(19, 99, 164, 0.031);
  border: 1px solid rgba(28, 88, 155, 0.3);
  border-radius: var(--radius-pill);
  transition: color .22s ease, background .22s ease, border-color .22s ease;
}
#usecases .zuc-tag:hover {
  color: var(--color-text-on-dark);
  background: var(--color-primary);
  border-color: var(--color-primary);
}
#usecases .zuc-media {
  position: relative;
  min-height: 100%;
  overflow: hidden;
  background: var(--gradient-2);
}
#usecases .zuc-media img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* ══ PLATFORM ECOSYSTEM ══════════════════════════════════════════ */
#ecosystem {
  position: relative;
}
#ecosystem .eco-head-wrap {
  position: relative;
  padding-bottom: var(--space-module);
}
#ecosystem .eco-head-bg {
  position: absolute;
  inset: 0 0 auto;
  height: 320px;
  background: url("/static/skin/images/product/hci/block-8-tit-bg.png") center top 20px / contain no-repeat;
  pointer-events: none;

}
#ecosystem .eco-head-wrap .wrap {
  position: relative;
  z-index: 1;
}
#ecosystem .eco-stage {
  position: relative;
  padding: var(--space-module) 0;
  overflow: hidden;
}
#ecosystem .eco-stage-bg {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: 0.85fr 1.25fr;
  pointer-events: none;
  z-index: 0;
}
#ecosystem .eco-stage-right {
  background: #E2EDFA url("/static/skin/images/product/hci/block-6-left-bg.png") center / cover no-repeat;
}
#ecosystem .eco-stage-left {
  background: #023d73 url("/static/skin/images/product/hci/block-6-right-bg.png") left center repeat-x;
}
#ecosystem .eco-stage-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;

  
}
#ecosystem .eco-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  background: #ffffff;
  border-radius: var(--radius-md);
  min-height: 160px;
  width: 70%;
}
#ecosystem .eco-pill {
  display: inline-flex;
  align-items: center;
  padding: 10px 28px;
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-primary);
  background: rgba(19, 99, 164, 0.0311);
  border: 1px solid rgba(28, 88, 155, 0.3);
  border-radius: var(--radius-pill);
  white-space: nowrap;
  transition: color .22s ease, background .22s ease, border-color .22s ease, transform .22s ease, box-shadow .22s ease;
}
#ecosystem .eco-pill:hover {
  color: var(--color-text-on-dark);
  background: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-selected);
}
#ecosystem .eco-arrow {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  border-radius: 50%;
  background: rgba(19, 99, 164, 0.0311);

  border: 1px solid rgba(28, 88, 155, 0.3);
  color: var(--color-primary);
}
#ecosystem .eco-arrow svg {
  width: 18px;
  height: 18px;
}

/* ══ CUSTOMER STORIES — tabs + panel ═════════════════════════════ */
#stories .stories-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: var(--space-module);
  gap: 0 var(--space-module);
}
#stories .stories-tab {
  appearance: none;
  -webkit-appearance: none;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  gap: 6px;
  width: 100%;
  margin: 0 0 -1px;
  padding: 16px 12px 18px;
  background: transparent;
  border: none;
  border-bottom: 3px solid #E1E2EA;
  box-sizing: border-box;
  cursor: pointer;
  text-align: center;
  font-family: var(--font-sans);
  transition: border-color .22s ease, color .22s ease;
}
#stories .stories-tab-title {
  display: block;
  font-size: var(--font-size-base);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--color-title);
  transition: color .22s ease;
}
#stories .stories-tab-sub {
  display: block;
  font-size: var(--font-size-body);
  font-weight: 400;
  line-height: 1.4;
  color: var(--color-text-secondary);
  transition: color .22s ease;
}
#stories .stories-tab:hover .stories-tab-title,
#stories .stories-tab.is-active .stories-tab-title {
  color: var(--color-primary);
}
#stories .stories-tab:hover {
  border-bottom-color: rgba(0, 87, 156, 0.35);
}
#stories .stories-tab.is-active {
  border-bottom-color: var(--color-primary);
}
#stories .stories-tab:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}
#stories .stories-panels {
  margin-top: var(--space-card);
}
#stories .stories-panel {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-module) var(--space-card);
  background-color: #E8F2FD;
  background-image: url("/static/skin/images/product/hci/block-6-left-bg.png");
  background-size: 100% 100%;
  background-position: center;
  background-repeat: no-repeat;
  box-sizing: border-box;
}
#stories .stories-panel[hidden] {
  display: none !important;
}
#stories .stories-panel.is-active {
  display: flex;
  animation: hci-stories-panel-in .28s ease;
}
@keyframes hci-stories-panel-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}
#stories .stories-quote {
  margin: 0 auto var(--space-card);
  max-width: 920px;
  font-family: var(--font-sans);
  font-size: var(--font-size-subtitle);
  font-weight: 500;
  font-style: normal;
  line-height: 1.6;
  color: var(--color-title);
}
#stories .stories-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 0 0 var(--space-module);
  padding: 10px 20px;
  font-family: var(--font-sans);
  font-size: var(--font-size-body);
  font-weight: 600;
  color: var(--color-primary);
  background: rgba(0, 87, 156, 0.1);
  border: 1px solid rgba(28, 88, 155, 0.3);
  border-radius: var(--radius-pill);
  text-decoration: none;
  transition: color .22s ease, background .22s ease, border-color .22s ease;
}
#stories .stories-cta:hover {
  color: var(--color-text-on-dark);
  background: var(--color-primary);
  border-color: var(--color-primary);
}
#stories .stories-cta svg {
  flex-shrink: 0;
}
#stories .stories-visual {
  max-width: 83.5%;
  margin: 0 auto;
}
#stories .stories-visual img {
  display: block;
  width: 100%;
  height: auto;
}

/* ══ RESPONSIVE ══════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .section-why .why-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 960px) {
  #architecture .arch-grid {
    grid-template-columns: 1fr;
  }
  #features .feat-grid {
    grid-template-columns: 1fr 1fr;
  }
  #features .feat-card,
  #features .feat-card:nth-child(4),
  #features .feat-card:nth-child(5) {
    grid-column: auto;
  }
  #features .feat-card:last-child {
    grid-column: 1 / -1;
    max-width: calc((100% - var(--space-card)) / 2);
    justify-self: center;
    width: 100%;
  }
  #deployment .dep-grid {
    grid-template-columns: 1fr;
  }
  #tco .tco-panel {
    grid-template-columns: 1fr 1fr;
    row-gap: var(--space-card);
  }
  #tco .tco-col:nth-child(2)::after {
    display: none;
  }
  #tco .tco-col:nth-child(odd) {
    padding-right: var(--space-card);
  }
  #usecases .zuc-grid {
    grid-template-columns: 1fr;
  }
  #ecosystem .eco-stage-bg {
    grid-template-columns: 1fr;
  }
  #ecosystem .eco-stage-right {
    display: none;
  }
  #stories .stories-tabs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }
  #stories .stories-tab {
    min-width: 0;
    padding: 12px 8px 14px;
    align-items: center;
  }
  #stories .stories-tab-title {
    font-size: var(--font-size-body);
    word-break: break-word;
  }
  #stories .stories-tab-sub {
    font-size: var(--font-size-caption);
    word-break: break-word;
  }
  #stories .stories-quote {
    font-size: var(--font-size-base);
  }
  #stories .stories-panel {
    padding: var(--space-card);
    border-radius: var(--radius-md);
  }
}
@media (max-width: 640px) {
  .section-why .why-grid {
    grid-template-columns: 1fr;
  }
  #features .feat-grid {
    grid-template-columns: 1fr;
  }
  #features .feat-card,
  #features .feat-card:nth-child(4),
  #features .feat-card:nth-child(5),
  #features .feat-card:last-child {
    grid-column: auto;
    max-width: none;
  }
  #tco .tco-panel {
    grid-template-columns: 1fr;
    padding: var(--space-card);
  }
  #tco .tco-col::after {
    display: none;
  }
  #tco .tco-col + .tco-col {
    padding-top: var(--space-card);
    border-top: 1px solid rgba(255, 255, 255, 0.25);
  }
  #usecases .zuc {
    grid-template-columns: 1fr;
  }
  #usecases .zuc-media {
    order: -1;
    min-height: 180px;
  }
  #usecases .zuc-body {
    padding: var(--space-card);
  }
  #ecosystem .eco-flow {
    flex-direction: column;
  }
  #ecosystem .eco-arrow {
    transform: rotate(90deg);
  }
  #stories .stories-tab {
    padding: 10px 4px 12px;
  }
}