/* =========================================================
   The Tambwekar Foundation stylesheet
   Palette taken from the foundation logo: parchment ground, navy,
   gold, with terracotta and brass as warm secondaries.
   Serif display (Fraunces) + Inter for text.
   ========================================================= */

:root{
  --parchment:  #FAF5EC;
  --parchment-2:#F3E9D8;
  --parchment-3:#EADDC6;
  --ink:        #241C13;
  --ink-soft:   #574A3C;
  --deep:       #16224F;
  --deep-2:     #0D1533;
  --deep-3:     #223163;
  --marigold:   #F4BB2C;
  --gold-deep:  #D9A425;
  --terracotta: #B0512E;
  --brass:      #9A7A3E;
  --line:       rgba(36,28,19,.15);
  --line-light: rgba(250,245,236,.20);

  --wrap: 1180px;
  --r: 4px;

  --f-display: "Fraunces", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --f-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --shadow-sm: 0 1px 2px rgba(36,28,19,.06), 0 6px 18px rgba(36,28,19,.06);
  --shadow-md: 0 2px 6px rgba(36,28,19,.08), 0 18px 44px rgba(36,28,19,.12);
}

*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth; scroll-padding-top:88px}
@media (prefers-reduced-motion: reduce){ html{scroll-behavior:auto} }

body{
  margin:0;
  background:var(--parchment);
  color:var(--ink);
  font-family:var(--f-body);
  font-size:17px;
  line-height:1.7;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

img{max-width:100%;height:auto;display:block}

h1,h2,h3{
  font-family:var(--f-display);
  font-weight:500;
  line-height:1.12;
  letter-spacing:-.015em;
  margin:0 0 .5em;
  color:var(--ink);
  font-variation-settings:"SOFT" 0,"WONK" 0;
}
h1{font-size:clamp(2.5rem,6vw,4.3rem); line-height:1.05}
h2{font-size:clamp(1.9rem,3.6vw,2.9rem)}
h3{font-size:clamp(1.25rem,2vw,1.55rem); line-height:1.2}
p{margin:0 0 1.1em}
a{color:inherit}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:clamp(20px,5vw,40px)}

.skip{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--deep);color:var(--parchment);padding:12px 20px;
}
.skip:focus{left:12px;top:12px}

:focus-visible{outline:2.5px solid var(--marigold);outline-offset:3px;border-radius:2px}

.kicker{
  font-family:var(--f-body);
  font-size:.72rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;
  color:var(--terracotta);margin:0 0 1rem;
}
.kicker.light{color:var(--marigold)}
.light{color:var(--parchment)}

/* ---------------- Header ---------------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(250,245,236,.86);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .3s ease, box-shadow .3s ease, background .3s ease;
}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 1px 20px rgba(36,28,19,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px}

.brand{display:flex;align-items:center;gap:12px;text-decoration:none;flex-shrink:0}
.brand-mark{width:38px;height:38px;flex:none;border-radius:7px;display:block}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-family:var(--f-display);font-size:1.06rem;font-weight:600;letter-spacing:-.01em}
.brand-sub{font-size:.63rem;letter-spacing:.16em;text-transform:uppercase;color:var(--brass);font-weight:500;margin-top:3px}

.nav{display:flex;align-items:center;gap:6px}
.nav a{
  text-decoration:none;font-size:.9rem;font-weight:500;color:var(--ink-soft);
  padding:9px 14px;border-radius:var(--r);transition:color .2s, background .2s;
}
.nav a:hover{color:var(--deep);background:rgba(22,34,79,.06)}
.nav a[aria-current="true"]{color:var(--deep);background:rgba(22,34,79,.07)}
.nav a[aria-current="true"]::after{
  content:"";display:block;height:2px;background:var(--marigold);
  margin:5px auto -4px;width:16px;border-radius:2px;
}
.nav a.nav-cta{
  background:var(--deep);color:var(--parchment);margin-left:8px;padding:10px 20px;
}
.nav a.nav-cta[aria-current="true"]{background:var(--deep-2);color:var(--parchment)}
.nav a.nav-cta[aria-current="true"]::after{display:none}
.nav a.nav-cta:hover{background:var(--deep-2)}

.nav-toggle{display:none;background:none;border:0;padding:10px;cursor:pointer}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:5px 0;transition:transform .3s,opacity .3s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------------- Buttons ---------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--f-body);font-size:.94rem;font-weight:500;
  padding:14px 26px;border-radius:var(--r);text-decoration:none;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .18s ease, background .2s, color .2s, border-color .2s, box-shadow .2s;
}
.btn:hover{transform:translateY(-2px)}
.btn-lg{padding:16px 30px;font-size:1rem}
.btn-primary{background:var(--marigold);color:#101A4B;font-weight:600;box-shadow:0 6px 20px rgba(244,187,44,.30)}
.btn-primary:hover{background:var(--gold-deep);box-shadow:0 10px 26px rgba(244,187,44,.40)}
.btn-ghost{border-color:rgba(250,245,236,.5);color:var(--parchment)}
.btn-ghost:hover{background:rgba(250,245,236,.12);border-color:var(--parchment)}
.btn-outline{border-color:rgba(250,245,236,.4);color:var(--parchment)}
.btn-outline:hover{background:rgba(250,245,236,.1);border-color:var(--parchment)}
.btn .li{width:19px;height:19px;fill:currentColor;flex:none}

/* ---------------- Hero ---------------- */
.hero{position:relative;min-height:min(88vh,760px);display:flex;align-items:flex-end;isolation:isolate;overflow:hidden}
.hero-media{position:absolute;inset:0;z-index:-2}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:center 42%;filter:saturate(.92) contrast(1.03)}
.hero-scrim{
  position:absolute;inset:0;z-index:-1;
  background:
    linear-gradient(180deg, rgba(11,18,45,.66) 0%, rgba(11,18,45,.44) 34%, rgba(11,18,45,.82) 78%, rgba(11,18,45,.95) 100%),
    radial-gradient(120% 90% at 12% 90%, rgba(11,18,45,.78), transparent 62%);
}
.hero-inner{padding-top:clamp(90px,16vh,170px);padding-bottom:clamp(56px,9vh,96px);max-width:960px}
.hero .kicker{
  color:#F7DFAE;display:inline-flex;align-items:center;gap:12px;
  text-shadow:0 1px 12px rgba(6,10,26,.7);
}
.hero .kicker::before{content:"";width:26px;height:2px;background:var(--marigold);flex:none}
.hero h1{color:var(--parchment);text-shadow:0 2px 30px rgba(6,10,26,.5)}
.hero .lede{
  color:rgba(250,245,236,.90);font-size:clamp(1.02rem,1.5vw,1.19rem);
  max-width:62ch;margin-bottom:2rem;font-weight:300;line-height:1.72;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-fade{position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--marigold);opacity:.85}

/* ---------------- Impact band ---------------- */
.impact{background:var(--deep-2);color:var(--parchment);padding:clamp(38px,5vw,54px) 0;position:relative;overflow:hidden}
.impact::after{
  content:"";position:absolute;inset:0;opacity:.11;pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60' viewBox='0 0 60 60'%3E%3Cg fill='none' stroke='%23F4BB2C' stroke-width='1'%3E%3Cpath d='M30 0v60M0 30h60'/%3E%3Ccircle cx='30' cy='30' r='14'/%3E%3Cpath d='M0 0l60 60M60 0L0 60'/%3E%3C/g%3E%3C/svg%3E");
}
.stats{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(20px,3vw,36px);position:relative}
.stats li{text-align:center;padding:0 8px;border-left:1px solid var(--line-light)}
.stats li:first-child{border-left:0}
.stat-num{
  display:block;font-family:var(--f-display);font-weight:500;
  font-size:clamp(2rem,4vw,3.1rem);line-height:1;color:var(--marigold);
  letter-spacing:-.02em;margin-bottom:.5rem;font-variant-numeric:tabular-nums;
}
.stat-label{display:block;font-size:.82rem;line-height:1.45;color:rgba(250,245,236,.78);font-weight:300}

/* ---------------- Sections ---------------- */
.section{padding:clamp(64px,9vw,124px) 0;position:relative}
.section-head{max-width:64ch;margin-bottom:clamp(38px,5vw,64px)}
.section-intro{color:var(--ink-soft);font-size:1.06rem;font-weight:300;max-width:58ch;margin-bottom:0}
.pillars .section-intro,.contact .section-intro{color:rgba(250,245,236,.78)}

.grid-2{display:grid;grid-template-columns:1.08fr .92fr;gap:clamp(36px,6vw,84px);align-items:start}

/* About */
.about{background:linear-gradient(180deg,var(--parchment) 0%,var(--parchment-2) 100%)}
.about .col-text p{color:var(--ink-soft)}
.pull{
  margin:2.4rem 0 0;padding:1.6rem 0 .2rem 1.6rem;border-left:3px solid var(--marigold);
}
.pull p{
  font-family:var(--f-display);font-size:clamp(1.15rem,2vw,1.42rem);line-height:1.42;
  color:var(--ink);margin-bottom:.7rem;font-weight:400;
}
.pull cite{font-style:normal;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--brass);font-weight:600}

/* Arched photo frame: a soft temple-arch top */
.arch-frame{
  margin:0;position:relative;overflow:hidden;
  border-radius:50% 50% var(--r) var(--r) / 22% 22% var(--r) var(--r);
  box-shadow:var(--shadow-md);
  background:var(--parchment-3);
}
.arch-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  border-radius:inherit;
  box-shadow:inset 0 0 0 1px rgba(250,245,236,.35), inset 0 -60px 90px -60px rgba(11,18,45,.5);
}
.arch-frame img{width:100%}

.col-media{position:relative}
.media-note{display:flex;gap:12px;align-items:flex-start;margin-top:22px;padding-right:8px}
.media-note .dot{width:9px;height:9px;border-radius:50%;background:var(--terracotta);margin-top:9px;flex:none}
.media-note p{margin:0;font-size:.9rem;color:var(--ink-soft);line-height:1.6}

/* ---------------- Pillars ---------------- */
.pillars{background:var(--deep);color:var(--parchment);overflow:hidden}
.pillars h2,.pillars h3{color:var(--parchment)}
.jali{
  position:absolute;inset:0;opacity:.075;pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='90' height='90' viewBox='0 0 90 90'%3E%3Cg fill='none' stroke='%23FAF5EC' stroke-width='1.1'%3E%3Cpath d='M45 0C45 24.9 24.9 45 0 45M45 0c0 24.9 20.1 45 45 45M45 90c0-24.9-20.1-45-45-45M45 90c0-24.9 20.1-45 45-45'/%3E%3Ccircle cx='45' cy='45' r='9'/%3E%3C/g%3E%3C/svg%3E");
}
.pillar-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,2.6vw,32px);position:relative}
.pillar{
  background:rgba(250,245,236,.055);
  border:1px solid var(--line-light);
  border-radius:var(--r) var(--r) var(--r) var(--r);
  padding:clamp(26px,3vw,38px);
  transition:transform .3s ease, background .3s ease, border-color .3s ease;
}
.pillar:hover{transform:translateY(-4px);background:rgba(250,245,236,.09);border-color:rgba(225,155,46,.45)}
.pillar{display:flex;flex-direction:column}
.pillar p{margin-bottom:0}
.pillar-icon{display:block;width:46px;height:46px;margin-bottom:20px}
.pillar-icon svg{width:100%;height:100%}
.pillar-icon svg path{fill:rgba(225,155,46,.16);stroke:var(--marigold);stroke-width:1.6;stroke-linejoin:round}
.pillar-icon svg .ln{fill:none;stroke:var(--marigold);stroke-width:1.8;stroke-linecap:round}
.pillar p{color:rgba(250,245,236,.80);font-size:.96rem;font-weight:300}
.pillar-list{list-style:none;margin:1.6rem 0 0;padding:1.3rem 0 0;border-top:1px solid var(--line-light);margin-top:auto}
.pillar-list li{
  font-size:.87rem;color:rgba(250,245,236,.72);padding-left:20px;position:relative;margin-bottom:.55rem;
}
.pillar-list li::before{content:"";position:absolute;left:0;top:.62em;width:9px;height:1.5px;background:var(--marigold)}

/* ---------------- Projects ---------------- */
.projects{background:var(--parchment-2)}
.feature{
  display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(32px,5vw,72px);
  align-items:center;margin-bottom:clamp(48px,7vw,96px);
}
.feature.reverse{grid-template-columns:1.15fr .85fr}
.feature.reverse .feature-media{order:2}
.feature-media{max-width:460px;width:100%}
.eyebrow{
  font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brass);font-weight:600;margin-bottom:.8rem;
}
.feature-body p{color:var(--ink-soft)}
.facts{list-style:none;margin:1.6rem 0 0;padding:0;display:flex;flex-wrap:wrap;gap:10px}
.facts li{
  background:var(--parchment);border:1px solid var(--line);
  padding:9px 16px;border-radius:100px;font-size:.85rem;color:var(--ink-soft);
}
.facts strong{color:var(--deep);font-weight:600}
.quote{
  margin:1.8rem 0 0;padding:1.5rem 1.7rem;background:var(--parchment);
  border-left:3px solid var(--terracotta);box-shadow:var(--shadow-sm);
}
.quote p{
  font-family:var(--f-display);font-size:1.08rem;line-height:1.5;color:var(--ink);margin-bottom:.8rem;
}
.quote cite{font-style:normal;font-size:.78rem;color:var(--brass);letter-spacing:.04em}
.inline-photo{margin:1.8rem 0 0;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow-sm);max-width:420px}

.card-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
  gap:clamp(18px,2.4vw,28px);margin:0 0 clamp(48px,7vw,96px);
}
.card{
  background:var(--parchment);border:1px solid var(--line);
  padding:clamp(26px,3vw,34px);border-radius:var(--r);
  transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(154,122,62,.4)}
.card-tag{
  display:inline-block;font-size:.66rem;letter-spacing:.15em;text-transform:uppercase;
  font-weight:600;color:var(--terracotta);background:rgba(176,81,46,.09);
  padding:5px 11px;border-radius:100px;margin-bottom:1rem;
}
.card h3{margin-bottom:.7rem}
.card p{color:var(--ink-soft);font-size:.95rem;font-weight:300;margin-bottom:0}
.translit{font-size:.78em;color:var(--brass);font-weight:400;font-style:italic}

/* ---------------- Testimony ---------------- */
.testimony{background:var(--deep-3);color:var(--parchment);overflow:hidden}
.testimony-inner{
  display:grid;grid-template-columns:.4fr 1fr;gap:clamp(32px,5vw,64px);align-items:center;position:relative;
}
.testimony-photo{max-width:300px}
.testimony blockquote{margin:0}
.testimony blockquote p{
  font-family:var(--f-display);font-size:clamp(1.2rem,2.4vw,1.72rem);
  line-height:1.42;color:var(--parchment);margin-bottom:1.4rem;font-weight:400;
}
.testimony cite{
  font-style:normal;font-size:.74rem;letter-spacing:.15em;text-transform:uppercase;
  color:var(--marigold);font-weight:600;
}

/* ---------------- Get involved ---------------- */
.involved{background:var(--parchment)}
.involve-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:clamp(18px,2.4vw,28px)}
.involve{
  padding:clamp(24px,2.6vw,30px);border-top:2px solid var(--marigold);
  background:linear-gradient(180deg,rgba(225,155,46,.07),rgba(225,155,46,0) 70%);
}
.involve h3{font-size:1.15rem;margin-bottom:.5rem}
.involve p{color:var(--ink-soft);font-size:.93rem;font-weight:300;margin-bottom:0}

/* ---------------- Contact ---------------- */
.contact{background:var(--deep-2);color:var(--parchment)}
.contact-inner{display:grid;grid-template-columns:1fr .9fr;gap:clamp(32px,5vw,72px);align-items:center}
.contact-text p{color:rgba(250,245,236,.80);font-weight:300;max-width:48ch;margin-bottom:0}
.contact-actions{display:flex;flex-direction:column;gap:14px;align-items:stretch}
.contact-actions .btn{width:100%}
.contact-note{font-size:.83rem;color:rgba(250,245,236,.58);margin:.4rem 0 0;text-align:center;font-weight:300}

/* ---------------- Footer ---------------- */
.site-footer{background:#080F26;color:rgba(250,245,236,.72);padding:clamp(44px,6vw,64px) 0 32px;font-size:.9rem}
.footer-inner{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:start}
.footer-brand{display:flex;gap:14px;align-items:flex-start}
.footer-brand .brand-mark{width:44px;height:44px;border-radius:8px}
.footer-brand p{margin:0;line-height:1.65;font-weight:300;font-size:.88rem}
.footer-brand strong{color:var(--parchment);font-family:var(--f-display);font-size:1.02rem;font-weight:600}
.footer-nav{display:flex;flex-direction:column;gap:9px;text-align:right}
.footer-nav a{text-decoration:none;color:rgba(250,245,236,.72);font-size:.88rem;transition:color .2s}
.footer-nav a:hover{color:var(--marigold)}
.copyright{
  grid-column:1/-1;margin:clamp(28px,4vw,44px) 0 0;padding-top:22px;
  border-top:1px solid rgba(250,245,236,.13);font-size:.78rem;color:rgba(250,245,236,.5);
}

/* ---------------- Back to top ---------------- */
.to-top{
  position:fixed;right:22px;bottom:22px;z-index:90;
  width:44px;height:44px;border-radius:50%;
  background:var(--deep);color:var(--parchment);
  display:grid;place-items:center;text-decoration:none;font-size:1.1rem;
  box-shadow:var(--shadow-md);opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .3s, transform .3s, visibility .3s, background .2s;
}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--terracotta)}

/* ---------------- Reveal on scroll ---------------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .btn:hover,.card:hover,.pillar:hover{transform:none}
}

/* ---------------- Responsive ---------------- */
@media (max-width:1000px){
  .stats{grid-template-columns:repeat(2,1fr);gap:28px 16px}
  .stats li:nth-child(3){border-left:0}
  .grid-2,.feature,.feature.reverse,.contact-inner,.testimony-inner{grid-template-columns:1fr}
  .feature.reverse .feature-media{order:0}
  .feature-media,.testimony-photo{max-width:400px}
  .pillar-grid{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr}
  .footer-nav{flex-direction:row;flex-wrap:wrap;gap:8px 20px;text-align:left}
}

@media (max-width:760px){
  body{font-size:16px}
  html{scroll-padding-top:74px}
  .header-inner{min-height:64px}
  .brand-sub{display:none}
  .nav-toggle{display:block}
  .nav{
    position:fixed;inset:64px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;
    background:var(--parchment);border-bottom:1px solid var(--line);
    padding:8px 20px 20px;box-shadow:0 20px 40px rgba(36,28,19,.12);
    transform:translateY(-12px);opacity:0;visibility:hidden;transition:.28s ease;
  }
  .nav.open{transform:none;opacity:1;visibility:visible}
  .nav a{padding:14px 4px;border-bottom:1px solid var(--line);font-size:1rem}
  .nav a.nav-cta{margin:14px 0 0;text-align:center;border-bottom:0;padding:14px}
  .hero{min-height:auto}
  .hero-inner{padding-top:100px;padding-bottom:64px}
  .hero-actions .btn{flex:1 1 auto}
  .stats li{border-left:0}
  .arch-frame{border-radius:50% 50% var(--r) var(--r) / 16% 16% var(--r) var(--r)}
  .to-top{right:14px;bottom:14px}
}