:root {
  --ink: #11110f;
  --paper: #f4f0e8;
  --paper-2: #ebe5da;
  --line: rgba(17,17,15,.18);
  --muted: #5f5b54;
  --blue: #c9d7df;
  --sea: #183f47;
  --black: #151515;
  --white: #f7f3eb;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Libre Franklin", "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
::selection { background: #11110f; color: #f4f0e8; }

.noise {
  position: fixed; inset: 0; pointer-events: none; z-index: 100;
  opacity: .035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
}

.site-header {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 34px;
  background: rgba(244,240,232,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.brand { font-family: "Playfair Display", Georgia, serif; font-size: 20px; font-weight: 500; }
.nav { display: flex; gap: 26px; align-items: center; font-size: 13px; }
.nav a { position: relative; }
.nav a:not(.nav-resume)::after { content:""; position:absolute; left:0; right:100%; bottom:-5px; height:1px; background:var(--ink); transition:.25s ease; }
.nav a:hover::after { right:0; }
.nav-resume { border: 1px solid var(--ink); border-radius: 999px; padding: 9px 14px; transition: .2s ease; }
.nav-resume:hover { background: var(--ink); color: var(--paper); }
.menu-button { display:none; background:none; border:0; font:inherit; font-size:13px; }

.section-pad { padding: 88px 6vw; }
.section-label { font-size: 11px; text-transform: uppercase; letter-spacing: .16em; margin-bottom: 36px; }
.section-label.light, .overline.light { color: rgba(255,255,255,.62); }
.overline { font-size: 11px; text-transform: uppercase; letter-spacing: .15em; color: var(--muted); margin: 0 0 24px; }

.hero { min-height: calc(100vh - 70px); display:flex; flex-direction:column; justify-content:space-between; }
.eyebrow { font-size: 11px; text-transform: uppercase; letter-spacing: .16em; color: var(--muted); }
.hero-grid { display:grid; grid-template-columns: 1.35fr .65fr; gap: 7vw; align-items:end; padding: 10vh 0 8vh; }
.hero h1 { margin:0; font-family:"Playfair Display", Georgia, serif; font-size: clamp(64px, 9vw, 132px); line-height:.78; font-weight:500; letter-spacing:-.06em; }
.hero h1 em { font-weight:500; }
.hero-copy { max-width: 500px; padding-bottom: 5px; }
.hero-kicker { font-size: 12px; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 28px; }
.hero-text { font-family:"Playfair Display", Georgia, serif; font-size: clamp(20px, 2vw, 30px); line-height:1.22; letter-spacing:-.025em; margin:0 0 38px; }
.hero-actions { display:flex; gap:28px; flex-wrap:wrap; }
.text-link { font-size:13px; border-bottom:1px solid var(--ink); padding-bottom:4px; }
.text-link span { margin-left:8px; }
.hero-rule { height:1px; background:var(--line); }

.intro { padding-top: 48px; }
.selected-grid { display:grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.feature { min-height: 430px; padding:28px; display:flex; flex-direction:column; justify-content:space-between; transition: transform .35s ease, border-radius .35s ease; overflow:hidden; position:relative; }
.feature:hover { transform: translateY(-4px); border-radius: 18px; }
.feature-dark { background: var(--black); color: var(--white); }
.feature-paper { background: #e4ddd1; }
.feature-blue { background: var(--blue); }
.feature-sea { background: var(--sea); color: #eef4f1; }
.feature-index { font-size:11px; letter-spacing:.12em; opacity:.6; }
.feature-body { max-width: 590px; }
.feature-type { text-transform:uppercase; letter-spacing:.14em; font-size:10px; opacity:.65; margin-bottom:22px; }
.feature h2 { font-family:"Playfair Display", Georgia, serif; font-size:clamp(36px,4.2vw,60px); line-height:.95; letter-spacing:-.04em; margin:0 0 24px; font-weight:500; }
.feature p:not(.feature-type) { font-size:15px; line-height:1.7; max-width:510px; margin:0; }
.feature-link { font-size:12px; text-transform:uppercase; letter-spacing:.1em; }

.split-section { border-top:1px solid var(--line); }
.split-grid { display:grid; grid-template-columns:.8fr 1.2fr; gap:8vw; }
.section-heading { font-family:"Playfair Display", Georgia, serif; font-size:clamp(42px,5vw,68px); line-height:.98; letter-spacing:-.045em; font-weight:500; margin:0; }
.timeline { border-top:1px solid var(--line); }
.timeline-item { padding:26px 0 34px; border-bottom:1px solid var(--line); }
.timeline-meta { font-size:10px; letter-spacing:.12em; text-transform:uppercase; color:var(--muted); margin-bottom:18px; }
.timeline h3 { margin:0 0 4px; font-family:"Playfair Display", Georgia, serif; font-size:34px; font-weight:500; }
.role { margin:0 0 18px !important; font-size:13px !important; color:var(--muted); }
.timeline p { max-width:700px; font-size:15px; line-height:1.7; }
.tags { display:flex; flex-wrap:wrap; gap:8px; margin-top:22px; }
.tags span { border:1px solid var(--line); border-radius:999px; padding:7px 10px; font-size:10px; text-transform:uppercase; letter-spacing:.08em; }

.research-section { background:var(--black); color:var(--white); }
.research-head { display:grid; grid-template-columns:.4fr 1.6fr; gap:7vw; align-items:start; margin-bottom:70px; }
.research-head h2 { font-family:"Playfair Display", Georgia, serif; font-size:clamp(40px,4.8vw,66px); line-height:1; letter-spacing:-.045em; font-weight:500; margin:0; max-width:1050px; }
.research-list { border-top:1px solid rgba(255,255,255,.22); }
.research-row { display:grid; grid-template-columns:70px 1.4fr 1fr 30px; gap:28px; align-items:center; padding:30px 0; border-bottom:1px solid rgba(255,255,255,.22); transition:padding .25s ease, background .25s ease; }
.research-row:hover { padding-left:14px; padding-right:14px; background:rgba(255,255,255,.04); }
.research-num { font-size:11px; opacity:.5; }
.research-row h3 { font-family:"Playfair Display", Georgia, serif; font-size:30px; font-weight:500; margin:0 0 6px; }
.research-row p { margin:0; font-size:12px; opacity:.6; }
.research-tags { font-size:12px; line-height:1.6; opacity:.7; }
.arrow { text-align:right; font-size:18px; }

.projects-header { display:grid; grid-template-columns:1.3fr .7fr; gap:8vw; align-items:end; margin-bottom:70px; }
.projects-header p { max-width:420px; color:var(--muted); line-height:1.7; }
.project-list { border-top:1px solid var(--line); }
.project-row { display:grid; grid-template-columns:70px 1fr 180px; gap:35px; padding:38px 0; border-bottom:1px solid var(--line); }
.project-number { font-size:11px; color:var(--muted); padding-top:7px; }
.project-label { text-transform:uppercase; font-size:10px !important; letter-spacing:.12em; color:var(--muted); margin:0 0 14px !important; }
.project-main h3 { font-family:"Playfair Display", Georgia, serif; font-size:46px; font-weight:500; letter-spacing:-.035em; margin:0 0 14px; }
.project-main p { max-width:700px; line-height:1.7; font-size:15px; }
.project-side { text-transform:uppercase; letter-spacing:.1em; font-size:10px; line-height:2; color:var(--muted); padding-top:8px; }

.beyond-section { background:#11353e; color:#edf2ef; }
.beyond-grid { display:grid; grid-template-columns:1.05fr .95fr; gap:8vw; align-items:center; }
.beyond-copy h2 { font-family:"Playfair Display", Georgia, serif; font-size:clamp(42px,5vw,68px); line-height:.96; letter-spacing:-.045em; font-weight:500; margin:0 0 32px; }
.beyond-copy > p:last-child { max-width:650px; line-height:1.75; color:rgba(255,255,255,.72); }
.dive-card { min-height:560px; position:relative; overflow:hidden; border-radius:2px; background: radial-gradient(circle at 70% 25%, rgba(255,255,255,.22), transparent 18%), radial-gradient(circle at 30% 75%, rgba(129,202,201,.25), transparent 20%), linear-gradient(145deg,#1f6671,#071f2b 68%); box-shadow: inset 0 0 100px rgba(0,0,0,.2); }
.dive-card::before { content:""; position:absolute; inset:0; background:linear-gradient(transparent 58%,rgba(0,0,0,.38)); }
.bubble { position:absolute; border:1px solid rgba(255,255,255,.45); border-radius:50%; }
.b1 { width:44px;height:44px;left:19%;top:24%; }
.b2 { width:18px;height:18px;left:31%;top:17%; }
.b3 { width:80px;height:80px;right:14%;top:33%; opacity:.45; }
.dive-stat { position:absolute; left:28px; bottom:28px; display:flex; flex-direction:column; z-index:2; }
.dive-stat.second { left:auto; right:28px; text-align:right; }
.dive-stat strong { font-family:"Playfair Display", Georgia, serif; font-size:45px; font-weight:500; }
.dive-stat span { font-size:10px; text-transform:uppercase; letter-spacing:.12em; opacity:.65; }

.about-grid { display:grid; grid-template-columns:1fr 1fr; gap:10vw; }
.about-grid h2 { font-family:"Playfair Display", Georgia, serif; font-size:clamp(42px,5vw,68px); line-height:.98; letter-spacing:-.045em; font-weight:500; margin:0; }
.about-copy p { font-family:"Playfair Display", Georgia, serif; font-size:23px; line-height:1.5; margin:0 0 24px; }
.recognition { border-top:1px solid var(--line); margin-top:40px; padding-top:24px; display:flex; flex-direction:column; gap:12px; }
.recognition span { font-size:11px; text-transform:uppercase; letter-spacing:.1em; color:var(--muted); }

.contact-section { border-top:1px solid var(--line); }
.contact-section h2 { font-family:"Playfair Display", Georgia, serif; font-size:clamp(30px,3.5vw,50px); line-height:.92; letter-spacing:-.05em; max-width:1100px; font-weight:500; margin:0 0 54px; }
.contact-links { display:flex; flex-wrap:wrap; gap:20px; }
.contact-links a { border-bottom:1px solid var(--ink); padding:0 0 5px; font-size:14px; }

footer { display:flex; justify-content:space-between; padding:26px 6vw 34px; font-size:11px; color:var(--muted); border-top:1px solid var(--line); }

[data-reveal] { opacity:0; transform:translateY(18px); transition: opacity .7s ease, transform .7s ease; }
[data-reveal].revealed { opacity:1; transform:none; }

@media (max-width: 900px) {
  .site-header { padding:18px 20px; }
  .nav { display:none; position:absolute; top:61px; left:0; right:0; padding:20px; background:var(--paper); border-bottom:1px solid var(--line); flex-direction:column; align-items:flex-start; gap:18px; }
  .nav.open { display:flex; }
  .menu-button { display:block; cursor:pointer; }
  .section-pad { padding:68px 22px; }
  .hero { min-height:auto; padding-top:54px; }
  .hero-grid, .split-grid, .research-head, .projects-header, .beyond-grid, .about-grid { grid-template-columns:1fr; }
  .hero-grid { padding:10vh 0 7vh; }
  .hero-copy { max-width:620px; }
  .selected-grid { grid-template-columns:1fr; }
  .feature { min-height:430px; }
  .research-row { grid-template-columns:42px 1fr 24px; gap:16px; }
  .research-tags { grid-column:2 / 3; }
  .project-row { grid-template-columns:42px 1fr; gap:14px; }
  .project-side { grid-column:2; }
  .dive-card { min-height:460px; }
}

@media (max-width: 560px) {
  .hero h1 { font-size:24vw; }
  .hero-text { font-size:24px; }
  .feature { padding:22px; min-height:390px; }
  .feature h2 { font-size:46px; }
  .research-head h2, .section-heading, .about-grid h2 { font-size:48px; }
  .research-row h3 { font-size:24px; }
  .project-main h3 { font-size:38px; }
  .contact-section h2 { font-size:42px; }
  .contact-links { flex-direction:column; align-items:flex-start; }
}

/* Edited V1 refinements */
.research-head-simple {
  display:block;
  margin-bottom:54px;
}
.research-head-simple h2 {
  max-width:900px;
}

.about-grid {
  grid-template-columns: .85fr .62fr 1.05fr;
  gap: 5vw;
  align-items:start;
}
.about-portrait {
  margin:0;
  width:100%;
  aspect-ratio: 4 / 5;
  overflow:hidden;
  background:#ded7cb;
}
.about-portrait img {
  width:100%;
  height:100%;
  display:block;
  object-fit:cover;
  object-position:50% 34%;
}

@media (max-width: 900px) {
  .about-grid { grid-template-columns:1fr; }
  .about-portrait { max-width:520px; aspect-ratio: 5 / 6; }
}

@media (max-width: 560px) {
  .hero h1 { font-size:20vw; }
  .feature h2 { font-size:40px; }
  .research-head h2, .section-heading, .about-grid h2 { font-size:42px; }
  .contact-section h2 { font-size:36px; }
}

/* Photography pass */
.feature-photo {
  color: #f7f4ee;
  isolation: isolate;
}
.feature-photo-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 44%;
  z-index: -2;
  transition: transform .55s ease;
}
.feature-photo-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8,8,8,.20) 0%, rgba(8,8,8,.22) 32%, rgba(8,8,8,.78) 100%);
  z-index: -1;
}
.feature-photo:hover .feature-photo-img { transform: scale(1.018); }
.feature-photo .feature-index,
.feature-photo .feature-type { color:#fff; opacity:.72; }
.feature-photo .feature-body p:not(.feature-type) { color:rgba(255,255,255,.82); }
.feature-photo .feature-link { color:#fff; }

.beyond-grid { align-items:start; }
.beyond-media {
  position:relative;
  min-height:620px;
  padding-bottom:78px;
}
.beyond-photo { margin:0; overflow:hidden; background:#0d2931; }
.beyond-photo img { width:100%; height:100%; display:block; object-fit:cover; }
.beyond-photo-main { width:100%; aspect-ratio: 4 / 3; }
.beyond-photo-main img { object-position:50% 50%; }
.beyond-photo-inset {
  position:absolute;
  width:44%;
  aspect-ratio: 4 / 3;
  right:-3%;
  bottom:28px;
  border:8px solid #11353e;
  box-shadow:0 24px 55px rgba(0,0,0,.24);
}
.beyond-photo-inset img { object-position:52% 48%; }
.dive-stats {
  position:absolute;
  left:0;
  bottom:4px;
  display:flex;
  gap:15px;
  align-items:flex-end;
}
.dive-stats .dive-stat {
  position:static;
  display:flex;
  flex-direction:column;
  text-align:left;
}
.dive-stats .dive-stat.second { text-align:left; }
.dive-stats .dive-stat strong { font-size:36px; line-height:1; }

@media (max-width: 900px) {
  .beyond-media { min-height:auto; padding-bottom:92px; }
  .beyond-photo-inset { width:42%; right:2%; bottom:24px; }
  .dive-stats { bottom:10px; }
}
@media (max-width: 560px) {
  .beyond-media { padding-bottom:112px; }
  .beyond-photo-main { aspect-ratio: 1 / 1; }
  .beyond-photo-inset { width:52%; right:-2px; bottom:56px; border-width:5px; }
  .dive-stats { gap:18px; bottom:4px; }
  .dive-stats .dive-stat strong { font-size:30px; }
}

/* Beneath the Surface feature card uses Lavanya's real dive photo */
.feature-diving .feature-photo-img { object-position: 72% 50%; }
.feature-diving .feature-photo-overlay {
  background: linear-gradient(180deg, rgba(5,18,24,.18) 0%, rgba(5,18,24,.24) 34%, rgba(5,18,24,.76) 100%);
}