/* =========================================================
   fetaLife Technologies — site styles
   Aqua / amniotic palette · fluid, hopeful, clinical-grade
   ========================================================= */

:root {
  --bg:        #04141c;
  --bg-soft:   #07202b;
  --surface:   #0b2a37;
  --ink:       #eaf6f8;
  --ink-soft:  #a9c7cf;
  --ink-dim:   #6f939d;
  --aqua:      #34e0c4;
  --aqua-deep: #18a8c9;
  --coral:     #ff9d8a;
  --coral-deep:#ff7a73;
  --line:      rgba(160, 220, 230, 0.14);

  --grad: linear-gradient(120deg, var(--aqua) 0%, var(--aqua-deep) 55%, var(--coral) 130%);
  --grad-green: linear-gradient(135deg, #40e8c6 0%, #1cc4a6 100%);
  --maxw: 1180px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}

body {
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ---------- Ambient fluid background ---------- */
.fluid-bg { position: fixed; inset: 0; z-index: -1; overflow: hidden; background: radial-gradient(120% 120% at 50% -10%, var(--bg-soft) 0%, var(--bg) 60%); }
.blob { position: absolute; border-radius: 50%; filter: blur(80px); opacity: .5; will-change: transform; }
.blob--1 { width: 50vw; height: 50vw; background: radial-gradient(circle, rgba(52,224,196,.55), transparent 70%); top: -12vw; left: -8vw; animation: drift1 26s var(--ease) infinite alternate; }
.blob--2 { width: 42vw; height: 42vw; background: radial-gradient(circle, rgba(24,168,201,.55), transparent 70%); bottom: -14vw; right: -8vw; animation: drift2 30s var(--ease) infinite alternate; }
.blob--3 { width: 34vw; height: 34vw; background: radial-gradient(circle, rgba(255,125,115,.30), transparent 70%); top: 38%; left: 46%; animation: drift3 34s var(--ease) infinite alternate; }
@keyframes drift1 { to { transform: translate(8vw, 10vh) scale(1.15); } }
@keyframes drift2 { to { transform: translate(-9vw, -8vh) scale(1.1); } }
@keyframes drift3 { to { transform: translate(-12vw, 6vh) scale(.9); } }

.grain { position: absolute; inset: 0; opacity: .035; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }

/* ---------- Shared ---------- */
.eyebrow { font-size: .78rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--aqua); margin-bottom: 1rem; }
.eyebrow--light { color: var(--aqua); }

.grad-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

.section { max-width: var(--maxw); margin: 0 auto; padding: clamp(5rem, 11vw, 9rem) clamp(1.5rem, 5vw, 4rem); }
.section__head { max-width: 760px; margin-bottom: 3rem; }
.section__title { font-family: "Fraunces", Georgia, serif; font-weight: 500; line-height: 1.08; letter-spacing: -.01em; font-size: clamp(2rem, 4.6vw, 3.4rem); }
.prose { font-size: clamp(1.05rem, 1.6vw, 1.22rem); color: var(--ink-soft); max-width: 62ch; }
.prose p + p { margin-top: 1.1rem; }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; font-weight: 600; font-size: .98rem; padding: .85rem 1.6rem; border-radius: 100px; border: 1px solid transparent; cursor: pointer; transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease), border-color .3s var(--ease); }
.btn--primary { background: var(--grad-green); color: #04141c; box-shadow: 0 6px 24px -4px rgba(32,200,170,.5); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px -6px rgba(32,200,170,.62); }
.btn--ghost { border-color: var(--line); color: var(--ink); background: rgba(255,255,255,.02); }
.btn--ghost:hover { border-color: var(--aqua); color: var(--aqua); transform: translateY(-2px); }
.btn--block { width: 100%; }

/* ---------- Nav ---------- */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 50; display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: 1.1rem clamp(1.5rem, 5vw, 4rem); transition: background .4s var(--ease), backdrop-filter .4s var(--ease), border-color .4s var(--ease); border-bottom: 1px solid transparent; }
.nav.is-scrolled { background: rgba(4,20,28,.72); backdrop-filter: blur(14px); border-bottom-color: var(--line); }
.nav__brand { display: flex; align-items: center; transition: opacity .25s var(--ease); }
.nav__brand:hover { opacity: .82; }
.nav__logo { height: 34px; width: auto; display: block; }
.nav__links { display: flex; gap: 1.8rem; font-size: .95rem; color: var(--ink-soft); }
.nav__links a { position: relative; transition: color .25s; }
.nav__links a::after { content: ""; position: absolute; left: 0; bottom: -4px; width: 0; height: 2px; background: var(--grad); transition: width .3s var(--ease); }
.nav__links a:hover { color: var(--ink); }
.nav__links a:hover::after { width: 100%; }
.nav__cta { padding: .6rem 1.2rem; }

/* ---------- Hero ---------- */
.hero { position: relative; max-width: var(--maxw); margin: 0 auto; min-height: 100vh; display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 2rem; padding: 8rem clamp(1.5rem, 5vw, 4rem) 4rem; }
.hero__title { font-family: "Fraunces", Georgia, serif; font-weight: 500; font-size: clamp(2.6rem, 6vw, 4.8rem); line-height: 1.02; letter-spacing: -.02em; margin: .4rem 0 1.4rem; }
.hero__lede { font-size: clamp(1.1rem, 1.7vw, 1.32rem); color: var(--ink-soft); max-width: 50ch; margin-bottom: 2.2rem; }
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Hero vessel visual */
.hero__visual { display: flex; justify-content: center; align-items: center; pointer-events: none; }
.vessel { position: relative; width: min(340px, 70vw); aspect-ratio: 3 / 4; border-radius: 48% 48% 46% 46% / 40% 40% 60% 60%; background: linear-gradient(180deg, rgba(52,224,196,.12), rgba(24,168,201,.22)); border: 1px solid rgba(160,220,230,.25); overflow: hidden; box-shadow: inset 0 0 60px rgba(52,224,196,.25), 0 30px 80px -30px rgba(0,0,0,.8); backdrop-filter: blur(2px); }
.vessel__fluid { position: absolute; inset: 0; background: radial-gradient(120% 90% at 50% 20%, rgba(52,224,196,.35), rgba(7,32,43,.2) 70%); animation: sway 8s ease-in-out infinite alternate; }
.vessel__glow { position: absolute; width: 60%; height: 60%; left: 20%; top: 22%; background: radial-gradient(circle, rgba(255,157,138,.5), transparent 65%); filter: blur(20px); animation: pulse 4s ease-in-out infinite; }
/* schematic baby, curled in the fluid */
.vessel__baby { position: absolute; left: 50%; top: 48%; width: 125%; transform: translate(-50%,-50%); filter: drop-shadow(0 0 22px rgba(255,150,130,.45)); animation: babyfloat 7s ease-in-out infinite; }
/* soft concentric ripples — a gentle heartbeat around the baby */
.vessel__signal span { position: absolute; left: 50%; top: 48%; width: 56px; height: 56px; transform: translate(-50%,-50%) scale(.2); border-radius: 50%; border: 1.5px solid rgba(255,157,138,.4); animation: signal 4.2s var(--ease) infinite; }
.vessel__signal span:nth-child(2) { animation-delay: 1.4s; }
.vessel__signal span:nth-child(3) { animation-delay: 2.8s; }
@keyframes sway { to { transform: scale(1.05); } }
@keyframes pulse { 50% { opacity: .5; transform: scale(1.08); } }
@keyframes babyfloat { 0%,100% { transform: translate(-50%,-50%); } 50% { transform: translate(-50%,-54%); } }
@keyframes signal { 0% { transform: translate(-50%,-50%) scale(.2); opacity: .85; } 100% { transform: translate(-50%,-50%) scale(2.6); opacity: 0; } }

.vessel__bubbles span { position: absolute; bottom: -20px; width: 10px; height: 10px; border-radius: 50%; background: rgba(234,246,248,.55); box-shadow: 0 0 8px rgba(234,246,248,.5); animation: rise linear infinite; }
.vessel__bubbles span:nth-child(1){ left:18%; animation-duration: 7s; }
.vessel__bubbles span:nth-child(2){ left:34%; width:6px;height:6px; animation-duration: 9s; animation-delay:1s; }
.vessel__bubbles span:nth-child(3){ left:52%; width:12px;height:12px; animation-duration: 6s; animation-delay:.5s; }
.vessel__bubbles span:nth-child(4){ left:66%; width:7px;height:7px; animation-duration: 8.5s; animation-delay:2s; }
.vessel__bubbles span:nth-child(5){ left:80%; width:9px;height:9px; animation-duration: 7.5s; animation-delay:1.4s; }
.vessel__bubbles span:nth-child(6){ left:44%; width:5px;height:5px; animation-duration: 10s; animation-delay:3s; }
@keyframes rise { 0% { transform: translateY(0); opacity: 0; } 15% { opacity: .8; } 100% { transform: translateY(-420px); opacity: 0; } }

.scroll-hint { position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); width: 26px; height: 42px; border: 2px solid var(--line); border-radius: 14px; display: flex; justify-content: center; padding-top: 7px; }
.scroll-hint span { width: 4px; height: 8px; background: var(--aqua); border-radius: 2px; animation: scrolldot 1.8s var(--ease) infinite; }
@keyframes scrolldot { 0% { opacity: 0; transform: translateY(-4px); } 40% { opacity: 1; } 80% { opacity: 0; transform: translateY(12px); } }

/* ---------- Stats ---------- */
.stats { max-width: var(--maxw); margin: 0 auto; padding: 2rem clamp(1.5rem, 5vw, 4rem) 1rem; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; border-top: 1px solid var(--line); }
.stat { padding: 1.5rem 0; }
.stat__num { display: block; font-family: "Fraunces", serif; font-weight: 600; font-size: clamp(2.4rem, 5vw, 3.6rem); line-height: 1; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat__label { display: block; margin-top: .7rem; color: var(--ink-dim); font-size: .98rem; max-width: 30ch; }

/* ---------- Feature (solution) ---------- */
.section--feature { padding-top: 3rem; }
.feature { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(2rem, 6vw, 5rem); align-items: center; }
.feature__media { display: flex; justify-content: center; }
.incubator { position: relative; width: min(360px, 80vw); aspect-ratio: 1; }
.incubator__ring { position: absolute; inset: 0; border-radius: 50%; border: 1px solid var(--line); background: radial-gradient(circle at 50% 40%, rgba(52,224,196,.16), transparent 60%); animation: spin 40s linear infinite; }
.incubator__ring::before, .incubator__ring::after { content:""; position:absolute; inset: 12%; border-radius:50%; border: 1px solid var(--line); }
.incubator__ring::after { inset: 26%; }
.incubator__core { position: absolute; left: 50%; top: 50%; width: 38%; height: 38%; transform: translate(-50%,-50%); border-radius: 50%; background: var(--grad); filter: blur(2px); box-shadow: 0 0 60px rgba(52,224,196,.6); animation: pulse 5s ease-in-out infinite; }
.incubator__waves span { position: absolute; left: 50%; top: 50%; width: 40%; height: 40%; transform: translate(-50%,-50%); border-radius: 50%; border: 1px solid rgba(52,224,196,.5); animation: ripple 4s var(--ease) infinite; }
.incubator__waves span:nth-child(2){ animation-delay: 1.3s; }
.incubator__waves span:nth-child(3){ animation-delay: 2.6s; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes ripple { 0% { transform: translate(-50%,-50%) scale(.8); opacity:.7;} 100% { transform: translate(-50%,-50%) scale(2.4); opacity:0; } }

.checklist { list-style: none; margin-top: 2rem; display: grid; gap: 1rem; }
.checklist li { position: relative; padding-left: 2.4rem; color: var(--ink-soft); line-height: 1.55; }
.checklist li::before { content: ""; position: absolute; left: 0; top: .05em; width: 1.55rem; height: 1.55rem; border-radius: 50%; background: var(--grad-green); box-shadow: 0 0 14px rgba(52,224,196,.4); }
.checklist li::after { content: ""; position: absolute; left: 0; top: .05em; width: 1.55rem; height: 1.55rem; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2304141c' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 13l4 4L19 7'/%3E%3C/svg%3E") center / .9rem no-repeat; }

/* ---------- Steps ---------- */
.steps { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.step { padding: 2rem 1.8rem; border: 1px solid var(--line); border-radius: 20px; background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,0)); transition: transform .4s var(--ease), border-color .4s var(--ease), background .4s var(--ease); }
.step:hover { transform: translateY(-6px); border-color: rgba(52,224,196,.4); background: linear-gradient(180deg, rgba(52,224,196,.07), rgba(255,255,255,0)); }
.step__num { font-family: "Fraunces", serif; font-size: 1rem; color: var(--aqua); letter-spacing: .1em; }
.step h3 { font-family: "Fraunces", serif; font-weight: 500; font-size: 1.5rem; margin: .8rem 0 .6rem; }
.step p { color: var(--ink-soft); font-size: 1rem; }

/* ---------- Science (dark band) ---------- */
.section--dark { max-width: none; background: linear-gradient(180deg, rgba(7,32,43,.7), rgba(4,20,28,.7)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section--dark > * { max-width: var(--maxw); margin-left: auto; margin-right: auto; }
.papers { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.paper { display: block; padding: 2rem; border: 1px solid var(--line); border-radius: 20px; background: rgba(255,255,255,.025); transition: transform .4s var(--ease), border-color .4s var(--ease), background .4s var(--ease); }
.paper:hover { transform: translateY(-6px); border-color: rgba(52,224,196,.4); background: rgba(52,224,196,.06); }
.paper__tag { display: inline-block; font-size: .76rem; letter-spacing: .12em; text-transform: uppercase; color: var(--aqua); margin-bottom: 1rem; padding: .3rem .7rem; border: 1px solid var(--line); border-radius: 100px; }
.paper h3 { font-family: "Fraunces", serif; font-weight: 500; font-size: 1.4rem; line-height: 1.2; margin-bottom: .7rem; }
.paper p { color: var(--ink-soft); }
.paper__cta { display: inline-flex; align-items: center; gap: .4rem; margin-top: 1.2rem; font-weight: 600; font-size: .95rem; color: var(--aqua); }
.paper__cta span { transition: transform .3s var(--ease); }
.paper:hover .paper__cta span { transform: translateX(4px); }
.papers__note { margin-top: 2rem; color: var(--ink-dim); max-width: 64ch; }

/* ---------- Mission ---------- */
.section--mission { text-align: center; }
.mission { max-width: 920px; margin: 0 auto; }
.mission .eyebrow { color: var(--aqua); }
.mission__statement { font-family: "Fraunces", serif; font-weight: 400; font-size: clamp(1.7rem, 3.8vw, 2.9rem); line-height: 1.24; letter-spacing: -.01em; color: var(--ink); }

/* ---------- Team ---------- */
.team { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.member { padding: 2rem; border: 1px solid var(--line); border-radius: 20px; background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,0)); transition: transform .4s var(--ease), border-color .4s var(--ease), background .4s var(--ease); }
.member:hover { transform: translateY(-6px); border-color: rgba(52,224,196,.4); background: linear-gradient(180deg, rgba(52,224,196,.07), rgba(255,255,255,0)); }
.member__avatar { display: inline-flex; align-items: center; justify-content: center; width: 60px; height: 60px; border-radius: 50%; background: var(--grad-green); color: #04141c; font-family: "Fraunces", serif; font-weight: 600; font-size: 1.25rem; letter-spacing: .02em; margin-bottom: 1.3rem; box-shadow: 0 0 22px rgba(52,224,196,.3); }
.member h3 { font-family: "Fraunces", serif; font-weight: 500; font-size: 1.35rem; line-height: 1.2; margin-bottom: .5rem; }
.member__role { color: var(--aqua); font-size: .9rem; font-weight: 500; line-height: 1.45; }
.member__bio { color: var(--ink-soft); font-size: .92rem; line-height: 1.55; margin-top: .9rem; }
.team__note { margin-top: 2rem; color: var(--ink-dim); max-width: 64ch; }

/* ---------- Contact ---------- */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.contact__details { list-style: none; margin-top: 2.2rem; display: grid; gap: 1.4rem; }
.contact__details li { display: grid; gap: .25rem; }
.contact__details span { font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-dim); }
.contact__details a { color: var(--ink); border-bottom: 1px solid transparent; transition: border-color .25s, color .25s; width: max-content; max-width: 100%; }
.contact__details a:hover { color: var(--aqua); border-bottom-color: var(--aqua); }

.contact__form { display: grid; gap: 1.1rem; padding: 2rem; border: 1px solid var(--line); border-radius: 22px; background: rgba(255,255,255,.025); }
.field { display: grid; gap: .45rem; }
.field label { font-size: .82rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-dim); }
.field input, .field textarea { font: inherit; color: var(--ink); background: rgba(4,20,28,.6); border: 1px solid var(--line); border-radius: 12px; padding: .8rem 1rem; transition: border-color .25s, box-shadow .25s; resize: vertical; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--aqua); box-shadow: 0 0 0 3px rgba(52,224,196,.18); }
.field input:user-invalid, .field textarea:user-invalid { border-color: var(--coral-deep); }
.form__status { font-size: .92rem; color: var(--aqua); min-height: 1.2em; }

/* ---------- Footer ---------- */
.footer { max-width: var(--maxw); margin: 0 auto; padding: 3rem clamp(1.5rem, 5vw, 4rem) 4rem; border-top: 1px solid var(--line); display: grid; gap: .8rem; }
.footer__brand { display: flex; align-items: center; }
.footer__logo { height: 52px; width: auto; display: block; }
.footer__tag { color: var(--ink-soft); max-width: 50ch; margin-top: .4rem; }
.footer__legal { color: var(--ink-dim); font-size: .88rem; }

/* ---------- Reveal animations ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 7rem; gap: 3rem; }
  .hero__visual { order: -1; }
  .vessel { width: min(260px, 60vw); }
  .feature, .contact { grid-template-columns: 1fr; }
  .feature__media { order: -1; }
  .stats { grid-template-columns: 1fr; gap: 0; }
  .stat { border-bottom: 1px solid var(--line); }
  .steps, .papers, .team { grid-template-columns: 1fr; }
  .nav__links { display: none; }
  .scroll-hint { display: none; }
}
@media (max-width: 560px) {
  .nav__cta { display: none; }
}