@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=Source+Sans+3:wght@300;400;600;700&display=swap');

:root {
  --navy:       #1a3a5c;
  --navy-mid:   #1e4570;
  --navy-dark:  #0e2236;
  --gold:       #2a9d8f;
  --gold-light: #b3e0da;
  --gold-dark:  #1e7268;
  --cream:      #f4faf9;
  --cream-dark: #e0f0ee;
  --white:      #ffffff;
  --text:       #1a1a1a;
  --text-mid:   #4a4a4a;
  --text-light: #777777;
  --border:     #c5dbd8;
  --shadow:     0 4px 20px rgba(26,58,92,0.12);
  --shadow-lg:  0 8px 40px rgba(26,58,92,0.18);
  --radius:     4px;
  --transition: all 0.3s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Source Sans 3', sans-serif; color: var(--text); background: var(--white); line-height: 1.7; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

h1, h2, h3, h4, h5 { font-family: 'Playfair Display', serif; font-weight: 700; line-height: 1.25; color: var(--navy); }
h1 { font-size: clamp(2rem, 4vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.5rem); }
p { margin-bottom: 1rem; color: var(--text-mid); }
p:last-child { margin-bottom: 0; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 2rem; }
.section { padding: 5rem 0; }
.section--cream { background: var(--cream); }
.section--navy { background: var(--navy); color: var(--white); }
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-header h2 { margin-bottom: 0.75rem; }
.section-header p { font-size: 1.05rem; max-width: 640px; margin: 0 auto; color: var(--text-mid); }
.gold-line { width: 60px; height: 3px; background: var(--gold); margin: 0.75rem auto 0; }
.gold-line--left { margin-left: 0; }

.btn { display: inline-block; padding: 0.75rem 2rem; font-family: 'Source Sans 3', sans-serif; font-size: 0.95rem; font-weight: 600; letter-spacing: 0.04em; border-radius: var(--radius); transition: var(--transition); cursor: pointer; border: 2px solid transparent; }
.btn--gold { background: var(--gold); color: var(--white); border-color: var(--gold); }
.btn--gold:hover { background: var(--gold-dark); border-color: var(--gold-dark); }
.btn--outline { background: transparent; color: var(--gold); border-color: var(--gold); }
.btn--outline:hover { background: var(--gold); color: var(--white); }
.btn--navy { background: var(--navy); color: var(--white); border-color: var(--navy); }
.btn--navy:hover { background: var(--navy-mid); border-color: var(--navy-mid); }

.tag { display: inline-block; padding: 0.2rem 0.75rem; background: var(--gold-light); color: var(--navy); font-size: 0.78rem; font-weight: 700; letter-spacing: 0.04em; border-radius: 2px; text-transform: uppercase; }
.tag--solid { background: var(--gold); color: var(--white); }
.tag--outline { background: transparent; color: rgba(255,255,255,0.92); border: 1.5px solid rgba(255,255,255,0.55); }

/* TOP BAR */
.topbar { background: var(--navy-mid); color: rgba(255,255,255,0.7); font-size: 0.82rem; padding: 0.45rem 0; border-bottom: 1px solid rgba(42,157,143,0.25); }
.topbar__inner { display: flex; justify-content: space-between; align-items: center; }
.topbar a { color: var(--gold-light); }
.topbar a:hover { text-decoration: underline; }

/* NAVIGATION */
.nav { background: var(--navy); position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 12px rgba(0,0,0,0.35); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 104px; }
.nav__brand { display: flex; align-items: center; gap: 1rem; }
.nav__logo-mark { width: 44px; height: 44px; background: var(--gold); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-family: 'Playfair Display', serif; font-size: 1.15rem; font-weight: 700; color: var(--white); flex-shrink: 0; }
.nav__logo-img { height: 85px; width: auto; display: block; object-fit: contain; flex-shrink: 0; border-radius: 50%; border: 2px solid rgba(255,255,255,0.85); box-shadow: 0 2px 10px rgba(0,0,0,0.35); }
.nav__brand-text { display: flex; flex-direction: column; line-height: 1; }
.nav__brand-name { font-family: 'Playfair Display', serif; font-size: 18px; font-weight: 700; color: var(--white); letter-spacing: 0.01em; }
.nav__brand-name-sub { font-family: 'Playfair Display', serif; font-size: 0.875rem; font-weight: 600; color: rgba(255,255,255,0.88); letter-spacing: 0.01em; margin-top: 0.2rem; }
.nav__brand-tagline { font-size: 0.68rem; color: var(--gold-light); letter-spacing: 0.07em; margin-top: 0.35rem; }
.nav__brand-abbr { font-size: 0.7rem; color: var(--gold-light); letter-spacing: 0.12em; text-transform: uppercase; margin-top: 0.2rem; }
.nav__links { display: flex; align-items: center; gap: 0.25rem; }
.nav__links li { list-style: none; }
.nav__links a { color: rgba(255,255,255,0.82); padding: 0.5rem 1.1rem; font-size: 0.93rem; font-weight: 600; letter-spacing: 0.02em; border-radius: var(--radius); transition: var(--transition); display: block; position: relative; }
.nav__links a::after { content: ''; position: absolute; bottom: 2px; left: 1.1rem; right: 1.1rem; height: 2px; background: var(--gold); transform: scaleX(0); transition: transform 0.25s ease; }
.nav__links a:hover { color: var(--white); }
.nav__links a:hover::after, .nav__links a.active::after { transform: scaleX(1); }
.nav__links a.active { color: var(--gold-light); }
.nav__toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; color: var(--white); }
.nav__toggle span { display: block; width: 24px; height: 2px; background: currentColor; margin: 5px 0; transition: var(--transition); }

/* PAGE HEADER */
.page-header { background: var(--navy); padding: 4rem 0 3.5rem; position: relative; overflow: hidden; }
.page-header::before { content: ''; position: absolute; top: 0; right: 0; bottom: 0; width: 45%; background: linear-gradient(135deg, transparent 40%, rgba(42,157,143,0.07) 100%); }
.page-header::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 3px; background: var(--gold); }
.page-header__content { position: relative; }
.page-header h1 { color: var(--white); margin-bottom: 0.75rem; }
.page-header p { color: rgba(255,255,255,0.72); font-size: 1.1rem; max-width: 620px; margin: 0; }
.breadcrumb { display: flex; align-items: center; gap: 0.5rem; color: rgba(255,255,255,0.45); font-size: 0.82rem; margin-bottom: 1rem; }
.breadcrumb a { color: var(--gold-light); }
.breadcrumb a:hover { text-decoration: underline; }

/* HERO */
.hero { background: var(--navy); min-height: 88vh; display: flex; align-items: center; position: relative; overflow: hidden; }
.hero__bg { position: absolute; inset: 0; background: linear-gradient(135deg, #0a1f30 0%, #1a3a5c 55%, #1e4570 100%); }
.hero__pattern { position: absolute; inset: 0; background-image: radial-gradient(circle at 15% 85%, rgba(42,157,143,0.08) 0%, transparent 50%), radial-gradient(circle at 85% 15%, rgba(42,157,143,0.05) 0%, transparent 50%), repeating-linear-gradient(90deg, transparent, transparent 80px, rgba(255,255,255,0.012) 80px, rgba(255,255,255,0.012) 81px), repeating-linear-gradient(0deg, transparent, transparent 80px, rgba(255,255,255,0.012) 80px, rgba(255,255,255,0.012) 81px); }
.hero__content { position: relative; z-index: 2; max-width: 800px; padding: 5rem 0; }
.hero__eyebrow { display: inline-flex; align-items: center; gap: 0.75rem; color: var(--gold-light); font-size: 0.82rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; margin-bottom: 1.5rem; }
.hero__eyebrow::before { content: ''; width: 36px; height: 2px; background: var(--gold); flex-shrink: 0; }
.hero h1 { color: var(--white); font-size: clamp(2.2rem, 5vw, 3.8rem); margin-bottom: 1.5rem; line-height: 1.18; }
.hero h1 span { color: var(--gold-light); }
.hero__sub { font-size: 1.12rem; color: rgba(255,255,255,0.78); max-width: 580px; margin-bottom: 2.5rem; line-height: 1.8; }
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero__stats { display: flex; gap: 3rem; margin-top: 4rem; padding-top: 2.5rem; border-top: 1px solid rgba(42,157,143,0.22); flex-wrap: wrap; }
.hero__stat-num { font-family: 'Playfair Display', serif; font-size: 2rem; font-weight: 700; color: var(--gold-light); line-height: 1; }
.hero__stat-label { font-size: 0.8rem; color: rgba(255,255,255,0.55); margin-top: 0.25rem; text-transform: uppercase; letter-spacing: 0.06em; }

/* MISSION STRIP */
.mission-strip { background: var(--gold); padding: 1.25rem 0; }
.mission-strip__inner { display: flex; align-items: center; gap: 1.25rem; }
.mission-strip p { color: var(--white); font-weight: 600; font-size: 1rem; margin: 0; }

/* RESEARCH THEME CARDS */
.theme-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }
.theme-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem; transition: var(--transition); position: relative; overflow: hidden; }
.theme-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--gold); transform: scaleX(0); transform-origin: left; transition: transform 0.3s ease; }
.theme-card:hover { border-color: var(--gold); box-shadow: var(--shadow); transform: translateY(-4px); }
.theme-card:hover::before { transform: scaleX(1); }
.theme-card__icon { width: 52px; height: 52px; background: var(--cream); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; font-size: 1.6rem; margin-bottom: 1.25rem; border: 1px solid var(--border); }
.theme-card h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.theme-card p { font-size: 0.9rem; margin: 0; }
.theme-card__link { display: block; text-align: right; margin-top: 1.25rem; font-size: 0.85rem; font-weight: 700; color: var(--gold); }
.theme-card__link:hover { color: var(--gold-dark); text-decoration: underline; }

/* SANITATION GAPS SYMBOL GRID */
.symbol-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.symbol-card { background: #ffffff; border: 1px solid #e0e0e0; border-radius: 12px; padding: 1.5rem; text-align: center; transition: 0.3s ease; }
.symbol-card:hover { border-color: #1D9E75; transform: translateY(-4px); }
.symbol-card__icon { display: block; font-size: 2.5rem; color: #1D9E75; margin-bottom: 0.75rem; }
.symbol-card__label { font-size: 13px; font-weight: 600; color: #1a3a5c; margin-top: 0.5rem; }

/* SERVICES CARDS */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; }
.service-card { background: var(--navy); border-radius: var(--radius); padding: 2rem; transition: var(--transition); position: relative; overflow: hidden; }
.service-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--gold); }
.service-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.service-card__icon { width: 52px; height: 52px; background: rgba(42,157,143,0.2); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; font-size: 1.6rem; margin-bottom: 1.25rem; border: 1px solid rgba(42,157,143,0.35); }
.service-card h3 { font-size: 1.05rem; color: var(--white); margin-bottom: 0.5rem; }
.service-card p { font-size: 0.88rem; color: rgba(255,255,255,0.72); margin: 0; }

/* PUBLICATION CARDS */
.pub-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.pub-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: var(--transition); display: flex; flex-direction: column; }
.pub-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.pub-card__top { background: var(--navy); padding: 1.25rem 1.5rem; display: flex; align-items: center; gap: 1rem; }
.pub-card__type-icon { width: 40px; height: 40px; border-radius: 50%; background: rgba(42,157,143,0.2); border: 1px solid rgba(42,157,143,0.35); display: flex; align-items: center; justify-content: center; font-size: 1.1rem; flex-shrink: 0; }
.pub-card__type { color: var(--gold-light); font-size: 0.76rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; }
.pub-card__year { color: rgba(255,255,255,0.45); font-size: 0.8rem; }
.pub-card__body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.pub-card__title { font-family: 'Playfair Display', serif; font-size: 1rem; color: var(--navy); margin-bottom: 0.5rem; font-weight: 700; line-height: 1.4; }
.pub-card__authors { font-size: 0.82rem; color: var(--text-light); margin-bottom: 0.75rem; font-style: italic; }
.pub-card__excerpt { font-size: 0.88rem; color: var(--text-mid); flex: 1; }
.pub-card__footer { padding: 1rem 1.5rem; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.pub-card__link { font-size: 0.85rem; font-weight: 700; color: var(--navy); }
.pub-card__link:hover { color: var(--gold-dark); }
.pub-card__link::after { content: ' →'; }

/* NEWS */
.news-list { display: flex; flex-direction: column; gap: 1.25rem; }
.news-item { display: flex; gap: 1.5rem; padding: 1.5rem; background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); transition: var(--transition); }
.news-item:hover { box-shadow: var(--shadow); }
.news-item__date { display: flex; flex-direction: column; align-items: center; min-width: 48px; padding-top: 0.2rem; text-align: center; }
.news-item__day { font-family: 'Playfair Display', serif; font-size: 1.8rem; font-weight: 700; color: var(--navy); line-height: 1; }
.news-item__month { font-size: 0.7rem; color: var(--gold-dark); font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; margin-top: 0.15rem; }
.news-item__content { flex: 1; }
.news-item__tag { margin-bottom: 0.4rem; }
.news-item h4 { font-size: 1.02rem; margin-bottom: 0.35rem; }
.news-item p { font-size: 0.88rem; margin: 0; }

/* ABOUT SPLIT */
.about-split { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; }
.about-split__visual { background: var(--navy); border-radius: var(--radius); min-height: 380px; display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; }
.about-split__visual::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 30% 70%, rgba(42,157,143,0.14) 0%, transparent 60%); }
.about-quote { position: relative; z-index: 1; padding: 2.5rem; text-align: center; }
.about-quote__mark { font-family: 'Playfair Display', serif; font-size: 7rem; color: var(--gold); opacity: 0.25; line-height: 0.5; display: block; margin-bottom: 1rem; }
.about-quote p { font-size: 1.15rem; font-style: italic; color: rgba(255,255,255,0.9); margin-bottom: 1rem; line-height: 1.7; }
.about-quote cite { color: var(--gold-light); font-size: 0.82rem; letter-spacing: 0.05em; }

/* PEOPLE */
.people-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 2rem; }
.person-card { text-align: center; background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 2.5rem 2rem; transition: var(--transition); }
.person-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.person-card__avatar { width: 96px; height: 96px; border-radius: 50%; background: var(--navy); margin: 0 auto 1.25rem; display: flex; align-items: center; justify-content: center; font-family: 'Playfair Display', serif; font-size: 1.8rem; color: var(--gold-light); font-weight: 700; border: 3px solid var(--gold-light); }
.person-card h3 { font-size: 1.1rem; margin-bottom: 0.2rem; }
.person-card__role { color: var(--gold-dark); font-size: 0.82rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 0.75rem; }
.person-card p { font-size: 0.87rem; color: var(--text-mid); }

/* VALUES */
.values-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 2rem; }
.value-item { text-align: center; padding: 2rem 1.5rem; }
.value-item__icon { width: 64px; height: 64px; background: rgba(42,157,143,0.12); border: 2px solid rgba(42,157,143,0.3); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.8rem; margin: 0 auto 1.25rem; }
.value-item h3 { font-size: 1.05rem; margin-bottom: 0.5rem; }
.value-item p { font-size: 0.88rem; }

/* CONTACT */
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 4rem; }
.contact-detail { display: flex; gap: 1rem; margin-bottom: 1.75rem; align-items: flex-start; }
.contact-detail__icon { width: 40px; height: 40px; background: var(--cream-dark); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; flex-shrink: 0; }
.contact-detail__label { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--gold-dark); margin-bottom: 0.2rem; }
.contact-detail__value { font-size: 0.92rem; color: var(--text-mid); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1.25rem; }
.form-group label { font-size: 0.83rem; font-weight: 700; color: var(--navy); text-transform: uppercase; letter-spacing: 0.05em; }
.form-group input, .form-group select, .form-group textarea { padding: 0.75rem 1rem; border: 1.5px solid var(--border); border-radius: var(--radius); font-family: inherit; font-size: 0.95rem; color: var(--text); background: var(--white); transition: border-color 0.2s; width: 100%; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(42,157,143,0.12); }
.form-group textarea { resize: vertical; min-height: 130px; }

/* FILTER TABS */
.filter-tabs { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 2.5rem; }
.filter-tab { padding: 0.5rem 1.25rem; border: 1.5px solid var(--border); border-radius: 2rem; background: var(--white); font-family: inherit; font-size: 0.85rem; font-weight: 600; color: var(--text-mid); cursor: pointer; transition: var(--transition); }
.filter-tab:hover { border-color: var(--navy); color: var(--navy); }
.filter-tab.active { background: var(--navy); color: var(--white); border-color: var(--navy); }

/* PUBLICATION LIST */
.pub-list { display: flex; flex-direction: column; gap: 1.5rem; }
.pub-item { padding: 1.75rem 2rem; background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); border-left: 4px solid var(--gold); transition: var(--transition); }
.pub-item:hover { box-shadow: var(--shadow); }
.pub-item__header { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; margin-bottom: 0.5rem; }
.pub-item__title { font-family: 'Playfair Display', serif; font-size: 1.08rem; color: var(--navy); font-weight: 700; line-height: 1.4; }
.pub-item__meta { display: flex; gap: 1.25rem; align-items: center; margin-bottom: 0.6rem; font-size: 0.83rem; color: var(--text-light); flex-wrap: wrap; }
.pub-item__authors { font-style: italic; }
.pub-item__abstract { font-size: 0.9rem; color: var(--text-mid); }
.pub-item__footer { margin-top: 1rem; display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }

/* RESEARCH PUBLICATION CARD */
.research-pub { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; margin-top: 2.5rem; box-shadow: var(--shadow); }
.research-pub__header { background: var(--navy); padding: 2.25rem 2rem 1.85rem; position: relative; }
.research-pub__header::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 3px; background: var(--gold); }
.research-pub__eyebrow { color: var(--gold-light); font-size: 0.76rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 0.6rem; }
.research-pub__date { color: var(--white); font-size: 1rem; font-weight: 700; letter-spacing: 0.03em; margin-bottom: 0.85rem; }
.research-pub__title { color: var(--white); font-size: clamp(1.3rem, 2.4vw, 1.65rem); margin-bottom: 1.1rem; line-height: 1.35; }
.research-pub__tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.research-pub__body { padding: 2.25rem 2rem; }
.research-pub__section { margin-bottom: 1.85rem; }
.research-pub__section:last-child { margin-bottom: 0; }
.research-pub__section h3 { font-size: 1.02rem; color: var(--navy); margin-bottom: 0.7rem; padding-bottom: 0.5rem; border-bottom: 2px solid var(--cream-dark); }
.research-pub__section p { font-size: 0.92rem; }
.research-pub__findings { list-style: none; padding: 0; margin: 0; }
.research-pub__findings li { position: relative; padding-left: 1.5rem; margin-bottom: 0.75rem; font-size: 0.92rem; color: var(--text-mid); }
.research-pub__findings li:last-child { margin-bottom: 0; }
.research-pub__findings li::before { content: ''; position: absolute; left: 0; top: 0.55em; width: 7px; height: 7px; border-radius: 50%; background: var(--gold); }
.research-pub__gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 1.75rem; }
.research-pub__photo { display: block; width: 100%; border-radius: var(--radius); border: 1px solid var(--border); box-shadow: var(--shadow); }
.research-pub__caption { display: block; margin-top: 0.75rem; font-size: 0.85rem; font-style: italic; color: var(--text-light); text-align: center; }
.research-pub__contact { background: var(--cream); border-left: 4px solid var(--gold); border-radius: var(--radius); padding: 1.5rem 1.75rem; }
.research-pub__contact-label { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--gold-dark); margin-bottom: 0.35rem; }
.research-pub__note { margin-top: 1.5rem; font-size: 0.85rem; color: var(--text-light); font-style: italic; }

/* RESEARCH PAGE */
.research-theme { padding: 2.5rem; background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 1.75rem; display: grid; grid-template-columns: auto 1fr; gap: 2rem; align-items: start; }
.research-theme__icon { width: 68px; height: 68px; background: var(--navy); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; font-size: 1.9rem; flex-shrink: 0; }
.research-theme h3 { font-size: 1.35rem; margin-bottom: 0.6rem; }
.research-theme__topics { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }
.research-theme__topic { padding: 0.25rem 0.75rem; background: var(--cream); border: 1px solid var(--border); border-radius: 2rem; font-size: 0.78rem; color: var(--text-mid); }

/* PHOTO PLACEHOLDER GRID */
.photo-placeholder-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.5rem; }
.photo-placeholder { aspect-ratio: 4 / 3; background: var(--cream); border: 2px dashed var(--border); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; text-align: center; padding: 1rem; }
.photo-placeholder span { font-size: 0.85rem; font-style: italic; color: var(--text-light); }

/* BACK LINK */
.back-link { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.92rem; font-weight: 700; color: var(--navy); }
.back-link:hover { color: var(--gold-dark); }

/* SULABH BOX */
.sulabh-box { background: var(--navy); color: var(--white); border-radius: var(--radius); padding: 3rem; display: flex; gap: 2rem; align-items: center; }
.sulabh-box__icon { font-size: 3rem; flex-shrink: 0; }
.sulabh-box h3 { color: var(--gold-light); margin-bottom: 0.75rem; font-size: 1.4rem; }
.sulabh-box p { color: rgba(255,255,255,0.78); margin: 0; }

/* PARTNERSHIP BOX */
.partnership-box { background: var(--cream); border: 1px solid var(--border); border-radius: var(--radius); padding: 3rem; display: flex; gap: 2rem; align-items: center; border-left: 4px solid var(--gold); }
.partnership-box__icon { font-size: 3rem; flex-shrink: 0; }
.partnership-box h3 { color: var(--navy); margin-bottom: 0.75rem; font-size: 1.4rem; }
.partnership-box p { color: var(--text-mid); margin: 0; }
.partnership-box ul { list-style: disc; padding-left: 1.25rem; }
.partnership-box ul li { font-size: 0.92rem; color: var(--text-mid); margin-bottom: 0.35rem; }

/* FOOTER */
.footer { background: var(--navy-dark); color: rgba(255,255,255,0.65); }
.footer__main { padding: 4rem 0 3rem; }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 3rem; }
.footer__brand-name { font-family: 'Playfair Display', serif; font-size: 1.05rem; color: var(--white); margin-bottom: 0.75rem; }
.footer__gold-bar { width: 40px; height: 2px; background: var(--gold); margin-bottom: 1.25rem; }
.footer__tagline { font-size: 0.87rem; line-height: 1.75; margin-bottom: 0.75rem; }
.footer h4 { font-family: 'Playfair Display', serif; font-size: 0.92rem; color: var(--white); margin-bottom: 1rem; }
.footer-links { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-links a { font-size: 0.85rem; color: rgba(255,255,255,0.55); transition: color 0.2s; }
.footer-links a:hover { color: var(--gold-light); }
.footer__bottom { border-top: 1px solid rgba(255,255,255,0.07); padding: 1.25rem 0; }
.footer__bottom-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.75rem; }
.footer__copy { margin: 0; font-size: 0.8rem; color: rgba(255,255,255,0.3); }
.footer__bottom-links { display: flex; gap: 1.5rem; }
.footer__bottom-links a { color: rgba(255,255,255,0.35); font-size: 0.8rem; }
.footer__bottom-links a:hover { color: var(--gold-light); }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .about-split { grid-template-columns: 1fr; gap: 3rem; }
  .about-split__visual { min-height: 260px; }
}
@media (max-width: 768px) {
  .section { padding: 3.5rem 0; }
  .nav__links { display: none; position: fixed; top: 104px; left: 0; right: 0; background: var(--navy); flex-direction: column; padding: 1.5rem; gap: 0; border-top: 1px solid rgba(255,255,255,0.08); box-shadow: 0 10px 30px rgba(0,0,0,0.4); }
  .nav__links.open { display: flex; }
  .nav__links a { padding: 0.85rem 1rem; border-bottom: 1px solid rgba(255,255,255,0.06); }
  .nav__links a::after { display: none; }
  .nav__toggle { display: block; }
  .hero__stats { gap: 2rem; }
  .form-row { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer__bottom-inner { flex-direction: column; text-align: center; }
  .research-theme { grid-template-columns: 1fr; gap: 1.25rem; }
  .sulabh-box { flex-direction: column; text-align: center; }
  .partnership-box { flex-direction: column; text-align: center; }
  .research-pub__gallery { grid-template-columns: 1fr; }
  .topbar { display: none; }
  .pub-item__header { flex-direction: column; }
  .symbol-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .container { padding: 0 1.25rem; }
  .hero__actions { flex-direction: column; }
  .hero__stats { flex-direction: column; gap: 1.5rem; }
  .hero__content { padding: 3.5rem 0; }
}