/* :root {
  --mainColor: #5a2982;
  --secondaryColor: #fcaf1a;
  --textColor: #171321;
  --mutedText: #5f566b;
  --lightBg: #f8f5fb;
  --softPurple: #efe7f5;
  --borderColor: rgba(90,41,130,.14);
  --white: #ffffff;
  --headerDarker: #351751;
  --shadow: 0 18px 44px rgba(58,31,82,.10);
} */

/* * {
  box-sizing: border-box;
} */

/* html {
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
} */

/* body {
  margin: 0;
  color: var(--textColor);
  background: var(--white);
} */

a {
  color: inherit;
}

/* Header */

.sih-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: linear-gradient(135deg, var(--mainColor), var(--headerDarker));
  color: var(--white);
  box-shadow: 0 8px 24px rgba(32,12,48,.18);
}

.sih-header__inner {
  width: min(1240px, calc(100% - 32px));
  min-height: 78px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto minmax(280px, 1fr) auto auto auto;
  gap: 18px;
  align-items: center;
}

.sih-logo {
  display: flex;
  align-items: center;
  width: 170px;
  height: 58px;
}

.sih-logo img {
  width: 100%;
  height: auto;
  display: block;
}

.sih-search {
  height: 46px;
  display: grid;
  grid-template-columns: 1fr auto;
  background: rgba(255,255,255,.96);
  border-radius: 999px;
  overflow: hidden;
}

.sih-search:focus-within {
  box-shadow: 0 0 0 4px rgba(252,175,26,.25);
}

.sih-search input {
  min-width: 0;
  border: 0;
  outline: 0;
  padding: 0 18px;
  color: var(--textColor);
  font-size: 15px;
  background: transparent;
}

.sih-search button {
  border: 0;
  padding: 0 20px;
  color: #241100;
  font-weight: 900;
  background: var(--secondaryColor);
  cursor: pointer;
}

.sih-nav {
  display: flex;
  align-items: center;
  gap: 16px;
  white-space: nowrap;
}

.sih-nav a {
  color: rgba(255,255,255,.9);
  font-weight: 800;
  text-decoration: none;
}

.sih-nav a:hover,
.sih-nav a[aria-current="page"] {
  color: var(--secondaryColor);
}

.sih-submit {
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  color: #241100;
  font-weight: 900;
  text-decoration: none;
  white-space: nowrap;
  border-radius: 999px;
  background: var(--secondaryColor);
}

.sih-menu {
  display: none;
  width: 44px;
  height: 44px;
  color: var(--white);
  font-size: 22px;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 14px;
  background: rgba(255,255,255,.1);
  cursor: pointer;
}

.sih-subnav {
  width: min(1240px, calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 0 0 12px;
}

.sih-subnav a {
  flex: 0 0 auto;
  padding: 8px 12px;
  color: rgba(255,255,255,.82);
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
}

.sih-subnav a:hover {
  color: #241100;
  background: var(--secondaryColor);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}

/* Layout */

.pulse-container {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.pulse-section {
  padding: 76px 0;
}

.pulse-light {
  background: var(--lightBg);
}

.pulse-eyebrow {
  margin: 0 0 14px;
  color: var(--mainColor);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 28px;
  margin-bottom: 30px;
}

.section-header h2,
.seo-content h2,
.pulse-final-cta h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.section-intro {
  max-width: 760px;
  margin: 14px 0 0;
  color: var(--mutedText);
  font-size: 18px;
  line-height: 1.65;
}

.section-link {
  color: var(--mainColor);
  font-weight: 900;
  text-decoration: none;
  white-space: nowrap;
}

.section-link:hover {
  text-decoration: underline;
}

/* Hero */

.pulse-hero {
  padding: 82px 0;
  background:
    radial-gradient(circle at 85% 10%, rgba(90,41,130,.08), transparent 32%),
    var(--lightBg);
  border-top: 1px solid rgba(90,41,130,.12);
}

.pulse-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, .8fr);
  gap: 48px;
  align-items: center;
}

.pulse-hero h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(42px, 6vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.05em;
}

.pulse-subheadline {
  max-width: 720px;
  margin: 24px 0 0;
  color: var(--mutedText);
  font-size: 20px;
  line-height: 1.6;
}

.pulse-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 900;
  text-decoration: none;
  transition: transform .18s ease, box-shadow .18s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--secondaryColor);
  color: #241100;
  /* box-shadow: 0 12px 28px rgba(252,175,26,.24); */
}

.btn-secondary {
  background: rgba(90,41,130,.08);
  color: var(--mainColor);
  border: 1px solid rgba(90,41,130,.18);
}

.pulse-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.pulse-proof span {
  padding: 8px 12px;
  color: var(--textColor);
  font-size: 14px;
  border-radius: 999px;
  background: rgba(90,41,130,.06);
  border: 1px solid rgba(90,41,130,.1);
}

.pulse-side-card {
  padding: 28px;
  border-radius: 28px;
  background: var(--white);
  border: 1px solid var(--borderColor);
  box-shadow: var(--shadow2);
}

.pulse-side-card > a {
  display: block;
  padding: 14px 0;
  color: var(--textColor);
  font-size: 17px;
  font-weight: 900;
  text-decoration: none;
  border-bottom: 1px solid rgba(90,41,130,.1);
}

.pulse-side-card > a:hover {
  color: var(--mainColor);
}

/* Tabs */

.pulse-tabs {
  position: sticky;
  top: 90px;
  z-index: 30;
  background: rgba(255,255,255,.94);
  border-bottom: 1px solid var(--borderColor);
  backdrop-filter: blur(10px);
}

.pulse-tabs-inner {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 12px 0;
}

.pulse-tabs a {
  flex: 0 0 auto;
  padding: 10px 14px;
  color: var(--mainColor);
  font-weight: 900;
  text-decoration: none;
  border-radius: 999px;
}

.pulse-tabs a:hover,
.pulse-tabs a.active {
  background: var(--softPurple);
}

/* Cards */

.card-clickable {
  position: relative;
}

.card-link {
  color: inherit;
  text-decoration: none;
}

.card-link::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
}

.main-story,
.side-story,
.news-row,
.weekly-card,
.expert-card,
.ip-card,
.paper-card {
  border: 1px solid var(--borderColor);
  border-radius: 28px;
  background: var(--white);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.main-story:hover,
.side-story:hover,
.news-row:hover,
.expert-card:hover,
.ip-card:hover,
.paper-card:hover {
  transform: translateY(-3px);
  border-color: rgba(90,41,130,.28);
  box-shadow: var(--shadow2);
}

.badge {
  display: inline-flex;
  width: fit-content;
  padding: 6px 10px;
  color: var(--mainColor);
  font-size: 13px;
  font-weight: 900;
  border-radius: 999px;
  background: rgba(90,41,130,.1);
}

.read-more {
  display: inline-flex;
  font-weight: 900;
}



.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.tag {
  padding: 6px 9px;
  border-radius: 999px;
  background: #f4edf8;
  color: var(--mainColor);
  font-size: 12px;
  font-weight: 800;
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 18px;
}

.vendor-logo {
  max-height: 50px;
  max-width: 125px;
  width: auto;
  object-fit: contain;
  filter: grayscale(100%) opacity(0.8);
  transition: 0.2s ease;
}

.ip-card:hover .vendor-logo {
  filter: grayscale(0%) opacity(1);
}

/* Featured */

.featured-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, .75fr);
  gap: 22px;
}

.side-stories {
  display: grid;
  gap: 18px;
}

.main-story {
  min-height: 430px;
  display: flex;
  flex-direction: column;
  justify-content: end;
  padding: 36px;
  color: var(--white);
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(90,41,130,.1), rgba(48,20,72,.94)),
    url("/upload/home/1.png") center / cover no-repeat;
}

.main-story .badge {
  color: #241100;
  background: var(--secondaryColor);
}

.main-story h3 {
  max-width: 800px;
  margin: 18px 0 12px;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.02;
  letter-spacing: -0.045em;
}

.main-story p {
  max-width: 720px;
  margin: 0;
  color: rgba(255,255,255,.86);
  font-size: 18px;
  line-height: 1.6;
}

.side-story,
.expert-card,
.ip-card,
.paper-card {
  padding: 26px;
}

.side-story h3,
.news-row h3,
.expert-card h3,
.ip-card h3,
.paper-card h3 {
  margin: 12px 0 8px;
  font-size: 22px;
  line-height: 1.18;
  letter-spacing: -0.025em;
}

.side-story p,
.expert-card p,
.ip-card p,
.paper-card p,
.seo-content p,
.pulse-final-cta p {
  margin: 0;
  color: var(--mutedText);
  line-height: 1.65;
}

/* Latest updates */

.latest-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 28px;
  align-items: start;
}

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

.news-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 20px;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
}

.side-story time  {
  font-size: 13px;
}
.news-meta time, .side-story time {
  color: var(--mutedText);
  font-weight: 600;
  white-space: nowrap;
}

.news-meta time, .side-story time {
  opacity: 0.6;
}

.news-row:hover .news-meta time, .side-story:hover .news-meta time {
  opacity: 1;
}

.news-meta::before {
  content: "";
}

.news-meta time::before, .side-story time::before {
  content: "•";
  margin-right: 6px;
  color: var(--mutedText);
}

.news-meta .badge {
  padding: 2px 8px;
  font-size: 12px;
  background: rgba(90,41,130,.08);
  border-radius: 6px;
}

.weekly-card {
  position: sticky;
  top: 150px;
  padding: 28px;
}

.top-list {
  margin: 0;
  padding-left: 22px;
}

.top-list li + li {
  margin-top: 18px;
}

.top-list a {
  color: var(--textColor);
  font-weight: 900;
  line-height: 1.35;
  text-decoration: none;
}

.top-list a:hover {
  color: var(--mainColor);
}

/* Independent grids */

.expert-grid,
.ip-grid,
.paper-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.expert-section {
  background: var(--white);
}

.marketplace-section {
  background: var(--lightBg);
}

/* Final CTA */

.pulse-final-cta {
  padding: 72px 0;
  color: var(--white);
  background:
    radial-gradient(circle at 85% 10%, rgba(252,175,26,.24), transparent 30%),
    linear-gradient(135deg, var(--mainColor), #32154d);
}

.pulse-final-cta-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 36px;
  align-items: center;
}

.pulse-final-cta .pulse-eyebrow {
  color: var(--secondaryColor);
}

.pulse-final-cta p {
  max-width: 760px;
  color: rgba(255,255,255,.84);
  font-size: 18px;
}

.pulse-final-cta .btn-secondary {
  color: var(--white);
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.25);
}

/* SEO section */

.seo-section {
  background: var(--white);
}

.seo-content {
  max-width: 900px;
}

.seo-content p {
  font-size: 18px;
      color: #4d405f;
    line-height: 1.78;
    margin: 15px 0;
}


.seo-content p + p {
  margin-top: 18px;
}

/* Responsive */

@media (max-width: 1120px) {
  .sih-header__inner {
    grid-template-columns: auto minmax(260px, 1fr) auto;
  }

  .sih-nav,
  .sih-submit {
    display: none;
  }

  .sih-menu {
    display: inline-grid;
    place-items: center;
  }
}

@media (max-width: 980px) {
  .pulse-hero-grid,
  .featured-layout,
  .latest-layout,
  .pulse-final-cta-grid {
    grid-template-columns: 1fr;
  }

  .weekly-card {
    position: static;
  }

  .expert-grid,
  .ip-grid,
  .paper-grid {
    grid-template-columns: 1fr 1fr;
  }

  .section-header {
    align-items: start;
    flex-direction: column;
  }
}

@media (max-width: 720px) {
  .sih-header__inner {
    grid-template-columns: 1fr auto;
    gap: 12px;
    padding: 10px 0;
  }

  .sih-logo {
    width: 145px;
    height: 50px;
  }

  .sih-search {
    grid-column: 1 / -1;
    order: 3;
  }

  .pulse-tabs {
    top: 126px;
  }
}

@media (max-width: 680px) {
  .pulse-hero,
  .pulse-section,
  .pulse-final-cta {
    padding: 56px 0;
  }

  .pulse-hero h1 {
    font-size: clamp(40px, 12vw, 58px);
  }

  .pulse-subheadline {
    font-size: 18px;
  }

  .pulse-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .main-story {
    min-height: 360px;
    padding: 26px;
  }

  .news-row,
  .expert-grid,
  .ip-grid,
  .paper-grid {
    grid-template-columns: 1fr;
  }

}


  .pulse-topic-hero {
  padding: 72px 0;
  background:
    radial-gradient(circle at 85% 10%, rgba(90,41,130,.08), transparent 32%),
    var(--lightBg);
  border-top: 1px solid rgba(90,41,130,.12);
}

.pulse-topic-hero h1 {
  max-width: 860px;
  margin: 0;
  font-size: clamp(42px, 6vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.05em;
}

.pulse-topic-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.topic-results-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.topic-result-card {
  overflow: hidden;
  border: 1px solid var(--borderColor);
  border-radius: 28px;
  background: var(--white);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.topic-result-card:hover {
  transform: translateY(-3px);
  border-color: rgba(90,41,130,.28);
  box-shadow: var(--shadow2);
}

.topic-result-card figure {
  margin: 0;
  background: var(--lightBg);
}

.topic-result-card img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
  object-fit: cover;
}

.topic-result-body {
  padding: 22px;
}

.topic-result-body h3 {
  margin: 12px 0 8px;
  font-size: 22px;
  line-height: 1.18;
  letter-spacing: -0.025em;
}

.topic-result-body p {
  margin: 0;
  color: var(--mutedText);
  line-height: 1.6;
}

.pulse-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 18px;
  margin-top: 36px;
}

.pulse-pagination a,
.pulse-pagination span {
  padding: 10px 14px;
  border-radius: 999px;
  font-weight: 900;
}

.pulse-pagination a {
  color: var(--mainColor);
  text-decoration: none;
  background: rgba(90,41,130,.08);
}

.pulse-pagination a:hover {
  background: rgba(90,41,130,.14);
}

.pulse-pagination span {
  color: var(--mutedText);
}

@media (max-width: 980px) {
  .topic-results-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 680px) {
  .pulse-topic-hero,
  .pulse-section {
    padding: 56px 0;
  }

  .topic-results-grid {
    grid-template-columns: 1fr;
  }

  .pulse-topic-actions {
    flex-direction: column;
  }

  .pulse-pagination {
    flex-direction: column;
  }
}


.paper-img img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: 16px;
  margin-bottom: 14px;
}

.video-thumb {
  position: relative;
}

.video-thumb img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: 16px;
}

.video-play {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 42px;
  color: white;
  background: rgba(0,0,0,0.2);
  border-radius: 16px;
}

.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  font-size: 12px;
  padding: 4px 6px;
  background: rgba(0,0,0,0.7);
  color: #fff;
  border-radius: 6px;
}

.expert-card {
  position: relative;
  padding-top: 56px;
}

.expert-logo {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 70px;
  height: 32px;
  object-fit: contain;
  opacity: 0.85;
}