:root {
    --color-blush-lightest: #F8E9EC;
    --color-blush-light: #E8C4CB;
    --color-blush: #D59EAB;
    --color-rose: #BF7687;
    --color-berry: #A74D63;
    --color-crimson: #8E233E;
    --color-deep: #800019;
    --color-ink: #1a1a1a;
    --color-ink-light: #4a4a4a;
    --color-ink-muted: #7a7a7a;
    --color-cream: #FDFBFB;
    --color-sand: #e8dfe1;
    --color-gray-text: #6b6068;
    --font-serif: 'Source Serif 4', Georgia, serif;
    --font-sans: 'DM Sans', -apple-system, sans-serif;
    --max-width: 1200px;
    --section-padding: clamp(80px, 10vw, 140px);
  }

  *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; }

  body {
    font-family: var(--font-sans); color: var(--color-ink);
    background: var(--color-cream); line-height: 1.7; font-size: 16px;
    -webkit-font-smoothing: antialiased; overflow-x: hidden;
  }
 .top-banner {
  margin-top: 72px;
  width: 100%;
  overflow: hidden;
  position: relative;
}
.top-banner img {
  width: 100%;
  height: clamp(200px, 28vw, 380px);
  object-fit: cover;
  display: block;
  position: absolute;
  top: 0; left: 0;
  opacity: 0;
  transition: opacity 1.2s ease;
}
.top-banner img.active {
  opacity: 1;
  position: relative;
}
  /* ═══ NAV ═══ */
  nav {
    position: fixed; top: 0; width: 100%; z-index: 100;
    background: rgba(253, 251, 251, 0.92);
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(128, 0, 25, 0.06);
    transition: all 0.3s ease;
  }
  nav {
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 2px solid var(--color-deep);
}
  nav .nav-inner {
    width: 100%;
    padding: 0 clamp(24px, 4vw, 48px);
    display: flex; align-items: center; justify-content: space-between; height: 72px;
  }
  .nav-logo img { height: 38px; width: auto; display: block; }
  .nav-links { display: flex; gap: 32px; list-style: none; align-items: center; }
  .nav-links a {
    font-size: 0.82rem; font-weight: 500; color: var(--color-ink-light);
    text-decoration: none; letter-spacing: 0.04em; text-transform: uppercase;
    transition: color 0.2s; position: relative;
  }
  .nav-links a::after {
    content: ''; position: absolute; bottom: -4px; left: 0;
    width: 0; height: 1.5px; background: var(--color-crimson); transition: width 0.3s ease;
  }
  nav {
background: rgba(253, 251, 247, 0.95);
}
  .nav-links a:hover { color: var(--color-crimson); }
  .nav-links a:hover::after { width: 100%; }
  .nav-hamburger {
    display: none; background: none; border: none; cursor: pointer;
    width: 32px; height: 24px; position: relative;
  }
  .nav-hamburger span {
    display: block; width: 100%; height: 2px; background: var(--color-ink);
    position: absolute; left: 0; transition: all 0.3s;
  }
  .nav-hamburger span:nth-child(1) { top: 0; }
  .nav-hamburger span:nth-child(2) { top: 50%; transform: translateY(-50%); }
  .nav-hamburger span:nth-child(3) { bottom: 0; }

  /* ═══ HERO ═══ */
.hero {
  display: flex; align-items: center;
  position: relative; overflow: hidden;
  background: var(--color-cream);
}
.hero::before {
  content: ''; position: absolute; top: -10%; right: -10%;
  width: 55vw; height: 55vw; border-radius: 50%;
  background: radial-gradient(circle, rgba(142, 35, 62, 0.05) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: ''; position: absolute; bottom: -15%; left: -8%;
  width: 45vw; height: 45vw; border-radius: 50%;
  background: radial-gradient(circle, rgba(128, 0, 25, 0.03) 0%, transparent 70%);
  pointer-events: none;
}
 .hero-inner {
  max-width: var(--max-width); margin: 0 auto;
  padding: 0 clamp(24px, 4vw, 48px);
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(20px, 6vw, 40px); align-items: center;
}
.hero-circle {
  width: clamp(380px, 38vw, 540px);
  height: clamp(380px, 38vw, 540px);
  border-radius: 50%; overflow: hidden;
  box-shadow: 0 12px 48px rgba(128, 0, 25, 0.12);
  border: 6px solid rgba(142, 35, 62, 0.12);
  opacity: 0; animation: fadeUp 0.8s 0.2s forwards;
}
.hero-circle img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.hero-label {
  display: inline-block; font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.05em; text-transform: uppercase; color: var(--color-crimson);
  margin-bottom: 28px; position: relative; padding-left: 40px;
  opacity: 0; animation: fadeUp 0.8s 0.3s forwards;
}
.hero-label::before {
  content: ''; position: absolute; left: 0; top: 50%;
  width: 28px; height: 1.5px; background: linear-gradient(160deg, #faf6f7 0%, #faf6f7 100%);
}
.hero h1 {
  font-family: var(--font-serif); font-size: clamp(2rem, 3.8vw, 3.2rem);
  font-weight: 400; line-height: 1.2; color: var(--color-ink);
  margin-bottom: 28px; opacity: 0; animation: fadeUp 0.8s 0.5s forwards;
}
.hero h1 em { font-style: italic; color: var(--color-deep); }
.hero-description {
  font-size: 1.05rem; line-height: 1.8; color: var(--color-ink-light);
  max-width: 520px; opacity: 0; animation: fadeUp 0.8s 0.7s forwards;
}
.hero-cta {
  margin-top: 40px; display: flex; gap: 16px; flex-wrap: wrap;
  opacity: 0; animation: fadeUp 0.8s 0.9s forwards;
}

  /* ═══ SHARED ═══ */
  section { padding: var(--section-padding) clamp(24px, 4vw, 48px); }
  .section-inner { max-width: var(--max-width); margin: 0 auto; }
  .section-label {
    font-size: 0.72rem; font-weight: 600; letter-spacing: 0.18em;
    text-transform: uppercase; color: var(--color-crimson); margin-bottom: 16px;
  }
  .section-ing {
    font-family: var(--font-serif); font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 400; line-height: 1.25; color: var(--color-ink); max-width: 680px;
  }
  .section-text {
    font-size: 1.05rem; line-height: 1.85; color: var(--color-ink-light);
    max-width: 640px; margin-top: 20px;
  }
  .btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 32px; font-family: var(--font-sans); font-size: 0.88rem;
    font-weight: 600; letter-spacing: 0.03em; border-radius: 4px;
    text-decoration: none; transition: all 0.3s ease; cursor: pointer; border: none;
  }
  .btn-primary { background: var(--color-deep); color: #fff; border: none; border-radius: 4px; padding: 18px 40px; }
  .btn-primary:hover { background: var(--color-crimson); }
  .btn-outline { background: transparent; color: var(--color-ink); border: 2px solid var(--color-blush-light); }
  .btn-outline:hover { border-color: var(--color-crimson); color: var(--color-crimson); }
  .btn-arrow { transition: transform 0.3s; }
  .btn:hover .btn-arrow { transform: translateX(4px); }

  /* ═══ PROBLEM ═══ */
  .problem { background: var(--color-deep); color: #fff; position: relative; overflow: hidden; }
  .problem::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
  }
  .problem .section-label { color: var(--color-blush); }
  .problem .section-heading { color: #fff; }
  .problem-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; margin-top: 48px; }
  .problem-quote {
    font-family: var(--font-serif); font-size: 1.3rem; font-style: italic;
    line-height: 1.7; color: rgba(255,255,255,0.9);
    border-left: 3px solid var(--color-berry); padding-left: 28px; margin-top: 40px;
  }

  /* ═══ VISION ═══ */
  .vision { background: var(--color-blush-lightest); text-align: center; position: relative; overflow: hidden; }
  .vision::before { content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 500px; height: 500px; border-radius: 50%; border: 1px solid rgba(128, 0, 25, 0.04); pointer-events: none; }
  .vision::after { content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 700px; height: 700px; border-radius: 50%; border: 1px solid rgba(128, 0, 25, 0.02); pointer-events: none; }
  .vision .section-inner { max-width: 780px; position: relative; z-index: 2; }
  .vision-text { font-family: var(--font-serif); font-size: clamp(1.3rem, 2.5vw, 1.65rem); font-weight: 300; line-height: 1.75; color: var(--color-ink); margin-top: 28px; }
  .vision-text em { font-style: italic; color: var(--color-deep); font-weight: 400; }

  /* ═══ WHAT WE DO ═══ */
  .what-we-do { background: var(--color-cream); }
  .what-we-do .section-label { text-align: center; }
  .what-we-do .section-heading { text-align: center; max-width: 100%; margin-left: auto; margin-right: auto; }
  .what-we-do .section-text {
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  text-align: justify;
  }
  .work-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 60px; }
  .work-card {
    background: #fff; border-radius: 6px; padding: 48px 40px;
    position: relative; overflow: hidden;
    border: 1px solid rgba(128, 0, 25, 0.06); transition: all 0.4s ease;
  }
  .work-card:hover { transform: translateY(-4px); box-shadow: 0 20px 60px rgba(128, 0, 25, 0.08); border-color: transparent; }
  .work-card::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 4px; opacity: 0; transition: opacity 0.4s; }
  .work-card:first-child::before { background: linear-gradient(90deg, var(--color-crimson), var(--color-berry)); }
  .work-card:nth-child(2)::before { background: linear-gradient(90deg, var(--color-berry), var(--color-rose)); }
  .work-card:hover::before { opacity: 1; }
  .work-card-icon { width: 48px; height: 48px; border-radius: 10px; display: flex; align-items: center; justify-content: center; margin-bottom: 24px; }
  .work-card:first-child .work-card-icon { background: var(--color-blush-lightest); }
  .work-card:nth-child(2) .work-card-icon { background: #fdf2f0; }
  .work-card-number { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-berry); margin-bottom: 20px; }
  .work-card h3 { font-family: var(--font-serif); font-size: 1.5rem; font-weight: 600; line-height: 1.3; color: var(--color-ink); margin-bottom: 16px; }
  .work-card p { font-size: 0.98rem; line-height: 1.8; color: var(--color-ink-light); }

  /* ═══ JEEVIKA FEATURE ═══ */
  .jeevika-feature { background: var(--color-blush-lightest); }
  .jeevika-inner { max-width: var(--max-width); margin: 0 auto; }
  .jeevika-blockquote {
    background: #fff; border-left: 5px solid var(--color-deep);
    border-radius: 0 8px 8px 0; padding: clamp(32px, 5vw, 48px);
    margin-top: 40px;
  }
  .jeevika-blockquote p { font-size: 1.05rem; line-height: 1.85; color: var(--color-ink-light); margin-bottom: 16px; }
  .jeevika-blockquote p:last-child { margin-bottom: 0; }
  .jeevika-photos { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; margin-top: 48px; }
  .jeevika-photos img { width: 100%; height: 340px; object-fit: cover; border-radius: 6px; background: var(--color-blush-light); }
  .jeevika-photo-item { text-align: center; }
  .photo-caption { font-size: 0.88rem; color: var(--color-ink-muted); margin-top: 12px; line-height: 1.5; }

  /* ═══ DELIMITATION DASHBOARD ═══ */
  .delimitation-feature { background: var(--color-cream); text-align: center; padding-bottom: 40px; }
  .delimitation-feature .section-label { text-align: center; }
  .delimitation-graph {
    max-width: 1120px; margin: 40px auto 0; border-radius: 10px; overflow: hidden;
    box-shadow: 0 16px 48px rgba(128, 0, 25, 0.12); border: 1px solid rgba(128, 0, 25, 0.08);
  }
  .delimitation-graph iframe { width: 100%; height: 900px; display: block; border: none; }
  .delimitation-cta { margin-top: 32px; }

 /* ═══ RESEARCH OUTPUTS ═══ */
.research { background: var(--color-cream); overflow: hidden; }
.research-carousel-wrapper { position: relative; margin-top: 60px; }
.research-viewport { overflow: hidden; }
.research-grid {
  display: flex; transition: transform 0.5s ease;
}
.research-card {
  width: calc(33.333% - 24px); flex-shrink: 0;
  margin-right: 36px; text-align: center;
  scroll-margin-top: 100px;
}
.research-card a { text-decoration: none; display: block; }
.research-thumb {
  width: 100%; aspect-ratio: 1/1; border-radius: 6px; overflow: hidden;
  margin-bottom: 20px; box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  background: var(--color-blush-light);
}
.research-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.research-card:hover .research-thumb { box-shadow: 0 8px 32px rgba(128, 0, 25, 0.14); }
.research-title {
  font-family: var(--font-serif); font-size: 1.15rem; font-weight: 600;
  color: var(--color-deep); line-height: 1.4;
  text-decoration: underline; text-underline-offset: 3px;
  text-decoration-color: rgba(128, 0, 25, 0.3);
}
.research-card:hover .research-title { text-decoration-color: var(--color-deep); }

.carousel-arrows { display: flex; justify-content: center; gap: 16px; margin-top: 40px; }
.carousel-btn {
  width: 48px; height: 48px; border-radius: 50%; border: 2px solid var(--color-blush-light);
  background: #fff; cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: all 0.3s; color: var(--color-crimson);
}
.carousel-btn:hover { border-color: var(--color-crimson); background: var(--color-crimson); color: #fff; }
.carousel-btn:disabled { opacity: 0.3; cursor: default; }
.carousel-btn:disabled:hover { border-color: var(--color-blush-light); background: #fff; color: var(--color-crimson); }
.carousel-dots { display: flex; justify-content: center; gap: 8px; margin-top: 20px; }
.carousel-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--color-blush-light);
  border: none; cursor: pointer; transition: all 0.3s; padding: 0;
}
.carousel-dot.active { background: var(--color-crimson); width: 24px; border-radius: 4px; }

  /* ═══ TEAM ═══ */
  .team { background: var(--color-blush-lightest); position: relative; }
  .team::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px;
    background: linear-gradient(90deg, var(--color-deep), var(--color-crimson), var(--color-berry), var(--color-rose));
  }
  .team-intro { text-align: center; max-width: 600px; margin: 0 auto 60px; }
  .team-intro .section-heading { max-width: 100%; text-align: center; }
.team-flex {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 36px;
}
.team-flex .team-card {
  width: calc(25% - 27px); text-align: center;
}
  .team-card { text-align: center; transition: transform 0.3s ease; }
  .team-card:hover { transform: translateY(-4px); }
  .team-photo-wrapper {
    width: 100%; aspect-ratio: 5/6; border-radius: 6px; overflow: hidden;
    margin-bottom: 20px; background: var(--color-blush-light);
    box-shadow: 0 4px 20px rgba(128, 0, 25, 0.08); transition: box-shadow 0.3s;
  }
  .team-card:hover .team-photo-wrapper { box-shadow: 0 8px 32px rgba(128, 0, 25, 0.14); }
  .team-photo-wrapper img { width: 100%; height: 100%; object-fit: cover; display: block; }

  .team-role { font-size: 0.85rem; color: var(--color-gray-text); line-height: 1.5; }
  .team-name a { color: var(--color-deep); text-decoration: none; }
.team-name a:hover { color: var(--color-crimson); text-decoration: underline; text-underline-offset: 3px; }

  /* ═══ FACTS ═══ */
  .facts-strip { background: var(--color-crimson); padding: 0; }
  .facts-grid { max-width: var(--max-width); margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); }
  .fact-item { padding: 52px clamp(24px, 3vw, 48px); text-align: center; position: relative; }
  .fact-item:not(:last-child)::after { content: ''; position: absolute; right: 0; top: 25%; height: 50%; width: 1px; background: rgba(255,255,255,0.15); }
  .fact-label { font-size: 0.7rem; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase; color: var(--color-blush-light); margin-bottom: 12px; }
  .fact-value { font-family: var(--font-serif); font-size: 1.1rem; font-weight: 400; color: #fff; line-height: 1.5; }

  /* ═══ SUPPORTED ═══ */
  .supported { background: var(--color-cream); text-align: center; }
  .supported .section-inner { max-width: 1180px; }
  .partner-logos { display: flex; justify-content: center; align-items: center; gap: 26px; margin-top: 32px; flex-wrap: nowrap; }
  .partner-logo {
    display: flex; align-items: center; justify-content: center;
    width: 195px; height: 100px; padding: 14px 18px; flex-shrink: 0;
  }
  .partner-logo img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; }
  .partner-logo-combo { width: 300px; gap: 14px; }
  .partner-logo-combo img { max-width: 46%; }

  /* ═══ CONTACT ═══ */
  .contact { background: var(--color-cream); }
  .contact-inner { max-width: var(--max-width); margin: 0 auto; display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(40px, 8vw, 100px); align-items: start; }
  .contact-info h2 { font-family: var(--font-serif); font-size: clamp(2rem, 3.5vw, 2.8rem); font-weight: 400; color: var(--color-deep); margin-bottom: 20px; }
  .contact-info p { font-size: 1rem; color: var(--color-ink-light); line-height: 1.7; margin-bottom: 12px; }
  .contact-info a { color: var(--color-crimson); text-decoration: underline; text-underline-offset: 3px; }
  .contact-info a:hover { color: var(--color-deep); }
  .contact-opportunities { margin-top: 40px; }
  .contact-opportunities h3 { font-family: var(--font-serif); font-size: 1.15rem; font-weight: 600; color: var(--color-crimson); margin-bottom: 8px; }
  .contact-opportunities p { font-size: 0.95rem; font-style: italic; color: var(--color-ink-muted); }
  .contact-form label { display: block; font-size: 0.88rem; font-weight: 500; color: var(--color-ink-light); margin-bottom: 6px; }
  .contact-form label span { color: var(--color-ink-muted); font-weight: 400; }
  .contact-form .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 20px; }
  .contact-form input, .contact-form textarea {
    width: 100%; padding: 14px 16px; font-family: var(--font-sans); font-size: 0.95rem;
    border: 1.5px solid var(--color-sand); border-radius: 4px; background: #fff;
    transition: border-color 0.2s; color: var(--color-ink); outline: none;
  }
  .contact-form input:focus, .contact-form textarea:focus { border-color: var(--color-crimson); }
  .contact-form textarea { resize: vertical; min-height: 140px; }
  .contact-form .form-group { margin-bottom: 20px; }
  .btn-send {
    background: var(--color-deep); color: #fff; border: none; border-radius: 4px;
    padding: 14px 40px; font-family: var(--font-sans); font-size: 0.9rem;
    font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
    cursor: pointer; transition: background 0.3s;
  }
  .contact { background: var(--color-cream); border-top: 3px solid linear-gradient(90deg, var(--color-deep), var(--color-crimson), var(--color-berry)); }
  .contact { background: var(--color-cream); position: relative; }
  .contact::before {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--color-deep), var(--color-crimson), var(--color-berry), var(--color-rose));
}
  .btn-send:hover { background: var(--color-crimson); }

  /* ═══ FOOTER ═══ */
  footer { background: #1c0a10; color: rgba(255,255,255,0.6); padding: 60px clamp(24px, 4vw, 48px) 40px; }
  .footer-inner { max-width: var(--max-width); margin: 0 auto; display: flex; justify-content: space-between; align-items: start; flex-wrap: wrap; gap: 40px; }
  .footer-logo img { height: 32px; width: auto; filter: brightness(0) invert(1); margin-bottom: 14px; }
  .footer-tagline { font-size: 0.88rem; line-height: 1.6; max-width: 340px; color: rgba(255,255,255,0.4); }
  .footer-links { display: flex; gap: 48px; }
  .footer-col h4 { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(255,255,255,0.3); margin-bottom: 16px; }
  .footer-col ul { list-style: none; }
  .footer-col li { margin-bottom: 8px; }
  .footer-col a { font-size: 0.9rem; color: rgba(255,255,255,0.55); text-decoration: none; transition: color 0.2s; }
  .footer-col a:hover { color: var(--color-blush); }
  .footer-bottom { max-width: var(--max-width); margin: 48px auto 0; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.06); font-size: 0.78rem; color: rgba(255,255,255,0.25); display: flex; justify-content: space-between; align-items: center; }

  /* ═══ ANIMATIONS ═══ */
  @keyframes fadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
  .reveal { opacity: 0; transform: translateY(30px); transition: all 0.7s cubic-bezier(0.16, 1, 0.3, 1); }
  .reveal.visible { opacity: 1; transform: translateY(0); }

  /* ═══ MOBILE NAV ═══ */
  .mobile-nav { display: none; position: fixed; top: 72px; left: 0; right: 0; background: var(--color-cream); padding: 24px; border-bottom: 1px solid var(--color-blush-light); z-index: 99; }
  .mobile-nav.active { display: block; }
  .mobile-nav a { display: block; padding: 14px 0; font-size: 0.95rem; font-weight: 500; color: var(--color-ink-light); text-decoration: none; border-bottom: 1px solid var(--color-blush-lightest); }
  .mobile-nav a:last-child { border-bottom: none; }
  .mobile-nav a:hover { color: var(--color-crimson); }

  /* ═══ PAGE HEADER (standalone pages) ═══ */
  .page-header { margin-top: 72px; padding: clamp(60px, 8vw, 100px) clamp(24px, 4vw, 48px) 20px; text-align: center; }
  .page-header-inner { max-width: var(--max-width); margin: 0 auto; }
  .page-header .section-label { justify-content: center; display: block; }
  .page-header h1 { font-family: var(--font-serif); font-size: clamp(2rem, 4vw, 3rem); font-weight: 400; margin-bottom: 16px; color: var(--color-ink); }
  .page-header p { font-size: 1.05rem; color: var(--color-ink-light); max-width: 640px; margin: 0 auto; line-height: 1.8; }

  /* ═══ RESPONSIVE ═══ */
  @media (max-width: 900px) {
    .problem-grid { grid-template-columns: 1fr; gap: 40px; }
    .work-cards { grid-template-columns: 1fr; }
    .hero-inner { grid-template-columns: 1fr; }
    .hero-circle { width: 300px; height: 300px; margin: 0 auto; }
    .jeevika-photos { grid-template-columns: 1fr; }
    .jeevika-photos img { height: 260px; }
    .research-card { min-width: calc(50% - 18px); }
    .team-flex .team-card { width: calc(50% - 18px); }
    .facts-grid { grid-template-columns: 1fr; }
    .fact-item:not(:last-child)::after { display: none; }
    .fact-item { border-bottom: 1px solid rgba(255,255,255,0.08); }
    .contact-inner { grid-template-columns: 1fr; }
    .partner-logos { flex-wrap: wrap; }
    .footer-inner { flex-direction: column; }
    .footer-links { flex-direction: column; gap: 32px; }
    .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  }
  @media (max-width: 640px) {
    .nav-links { display: none; }
    .nav-hamburger { display: block; }
    .top-banner img { height: 160px; }
    .hero h1 { font-size: clamp(2rem, 7vw, 2.8rem); }
    .hero-cta { flex-direction: column; }
    .btn { justify-content: center; }
    .research-card { width: 85%; }
    .research-viewport { overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .research-grid { transition: none; transform: none !important; }
    .carousel-arrows, .carousel-dots { display: none; }
    .team-flex .team-card { width: calc(50% - 18px); }
    .partner-logos { flex-direction: column; gap: 16px; }
    .partner-logo, .partner-logo-combo { width: 100%; max-width: 320px; height: 110px; }
    .work-card { padding: 36px 28px; }
    .contact-form .form-row { grid-template-columns: 1fr; }
  }