/* OPM43 class site — "letterhead" direction: ivory paper, ink, Harvard crimson. */
:root{
  --crimson:#A51C30; --crimson-deep:#7A1424; --btn:#A51C30; --btn-hover:#8C1628;
  --accent:#A51C30;            /* crimson used as text */
  --wash:#F6E8EA;              /* crimson tint for tags and highlights */
  --paper:#FBF8F3; --paper-2:#F3EDE4; --card:#FFFFFF;
  --ink:#1B1718; --ink-2:#423B3D; --muted:#6A6264; --line:#E4DBD1; --line-strong:#CFC3B6;
  --gold:#9C7A45;
  --ok:#17693A; --err:#B3261E; --focus:#A51C30;
  --shadow:0 1px 2px rgba(40,20,20,.05),0 8px 28px -12px rgba(60,20,28,.18);
  --display:"Fraunces",Georgia,"Times New Roman",serif;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --radius:14px;
  color-scheme:light dark;
}
@media (prefers-color-scheme:dark){
  :root{
    --accent:#F08495; --wash:#3A1B22; --btn:#B3233A; --btn-hover:#C72D45;
    --paper:#151213; --paper-2:#1B1718; --card:#211C1E;
    --ink:#F4EFEB; --ink-2:#D5CCC8; --muted:#A99F9C; --line:#362E30; --line-strong:#4A3F42;
    --gold:#C9A877; --ok:#7BDDA0; --err:#FF8A80; --focus:#F08495;
    --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 30px -14px rgba(0,0,0,.7);
  }
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--paper);color:var(--ink);font:17.5px/1.65 var(--sans);overflow-wrap:break-word}
img,svg{max-width:100%}
a{color:var(--accent);text-underline-offset:.18em;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:6px}
p{margin:0 0 1em}
h1,h2,h3{font-family:var(--display);font-weight:500;line-height:1.12;margin:0 0 .45em;letter-spacing:-.01em;font-optical-sizing:auto}
h1{font-size:clamp(2.6rem,7vw,4.6rem);font-weight:400}
h2{font-size:clamp(1.75rem,3.4vw,2.4rem)}
h3{font-size:1.3rem}
h1 em,h2 em{font-style:italic;color:var(--accent)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:12px;top:-60px;z-index:50;background:var(--card);color:var(--ink);padding:10px 14px;border-radius:8px;box-shadow:var(--shadow)}
.skip:focus{top:12px}

.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
@media (max-width:600px){.wrap{padding:0 16px}}
.narrow{max-width:820px}

/* Header */
header.site{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--paper) 90%,transparent);backdrop-filter:saturate(1.2) blur(10px);-webkit-backdrop-filter:saturate(1.2) blur(10px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px 20px;min-height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);flex-shrink:0}
.brand .mark{width:36px;height:36px;flex:none}
.brand .word{font:600 1.2rem/1 var(--display);letter-spacing:.01em}
.brand .word b{color:var(--accent);font-weight:600}
.brand .sub{display:block;font:500 .75rem/1.2 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-top:3px}
@media (max-width:520px){.brand .sub{display:none}}
nav ul{display:flex;gap:2px 6px;list-style:none;margin:0;padding:0;align-items:center}
nav a{display:inline-block;text-decoration:none;color:var(--ink-2);font:500 .95rem var(--sans);padding:8px 12px;border-radius:999px;white-space:nowrap}
nav a:hover{background:var(--paper-2);color:var(--ink)}
nav a.cta{background:var(--btn);color:#fff;font-weight:600}
nav a.cta:hover{background:var(--btn-hover);color:#fff}
.signout{font:500 .9rem var(--sans);color:var(--ink-2);background:transparent;border:1px solid var(--line-strong);border-radius:999px;padding:7px 14px;cursor:pointer;white-space:nowrap}
.signout:hover{border-color:var(--ink-2);color:var(--ink)}
.back{font:500 .95rem var(--sans);text-decoration:none;color:var(--ink-2);padding:8px 12px;border-radius:999px;white-space:nowrap}
.back:hover{background:var(--paper-2);color:var(--ink)}

/* Members header: on phones it is one compact row (brand + Sign out).
   The section menu is hidden there because the quick-action cards right under the greeting do that job. */
.members-head nav{margin-left:auto}
@media (max-width:760px){
  .members-head nav{display:none}
  header.site .wrap{min-height:60px}
}

/* Typography helpers */
.eyebrow{display:flex;align-items:center;gap:10px;font:600 .8125rem/1.3 var(--sans);letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin-bottom:18px}
.eyebrow::before{content:"";width:28px;height:1px;background:currentColor;flex:none}
.lead{font:400 clamp(1.15rem,2.1vw,1.38rem)/1.5 var(--display);color:var(--ink-2);max-width:32em}
.muted{color:var(--muted)}
.note{font-size:.88rem;color:var(--muted)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 22px;border-radius:999px;font:600 1rem/1.2 var(--sans);text-decoration:none;border:1.5px solid transparent;cursor:pointer;text-align:center}
.btn.primary{background:var(--btn);color:#fff}
.btn.primary:hover{background:var(--btn-hover)}
.btn.ghost{color:var(--ink);border-color:var(--line-strong);background:transparent}
.btn.ghost:hover{border-color:var(--ink-2)}
.btn.block{width:100%}
.btn[disabled]{opacity:.6;cursor:wait}
.btn svg{width:18px;height:18px;flex:none}

/* Cards and sections */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.tile{padding:28px}
@media (max-width:600px){.tile{padding:22px 20px}}
section{padding:72px 0}
@media (max-width:600px){section{padding:52px 0}}
section.alt{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{margin-bottom:32px}
.sec-head p{color:var(--ink-2)}
.rule{height:0;border:0;border-top:1px solid var(--line-strong);position:relative;margin:0}
.tag{display:inline-block;background:var(--wash);color:var(--accent);font:600 .8125rem/1.1 var(--sans);letter-spacing:.07em;text-transform:uppercase;padding:7px 12px;border-radius:999px;margin-bottom:14px}

/* Public hero */
.hero{position:relative;padding:72px 0 64px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(700px 380px at 92% 0%,var(--wash),transparent 70%),
  repeating-linear-gradient(0deg,transparent 0 31px,color-mix(in srgb,var(--line) 35%,transparent) 31px 32px);
  -webkit-mask-image:linear-gradient(to bottom,#000 40%,transparent);mask-image:linear-gradient(to bottom,#000 40%,transparent);pointer-events:none}
.hero .wrap{position:relative}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:56px;align-items:center}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr;gap:36px}.hero{padding:44px 0 48px}}
.hero h1{font-size:clamp(3.4rem,10vw,6.4rem);line-height:.95;margin-bottom:.3em}
.hero h1 em{font-weight:400}
.facts{display:grid;grid-template-columns:repeat(3,auto);justify-content:start;gap:8px 40px;margin:34px 0 0;padding:22px 0 0;border-top:1px solid var(--line-strong)}
.facts div{display:flex;flex-direction:column}
.facts dt{order:2;font-size:.85rem;color:var(--muted)}
.facts dd{order:1;margin:0;font:500 2rem/1.1 var(--display);color:var(--ink)}
.facts dd small{font-size:1.1rem}
@media (max-width:520px){.facts{grid-template-columns:1fr 1fr;gap:16px 24px}.facts div:last-child{grid-column:1/-1}}

/* Sign-in card */
.signin-card{padding:30px;border-top:4px solid var(--crimson);scroll-margin-top:90px}
@media (max-width:600px){.signin-card{padding:24px 20px}}
.signin-card h2{font-size:1.75rem;margin-bottom:.25em}
.signin-card .intro{color:var(--ink-2);margin-bottom:22px}
.reassure{display:flex;flex-wrap:wrap;gap:6px 16px;list-style:none;margin:16px 0 0;padding:0;font-size:.86rem;color:var(--muted)}
.reassure li{display:flex;align-items:center;gap:6px}
.reassure svg{width:15px;height:15px;color:var(--accent);flex:none}
details{border-top:1px solid var(--line);padding:12px 0 0;margin-top:16px}
details + details{margin-top:12px}
summary{cursor:pointer;font-weight:600;font-size:.95rem;color:var(--ink);list-style:none;display:flex;align-items:center;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font:400 1.3rem/1 var(--sans);color:var(--accent)}
details[open] summary::after{content:"\2212"}
details p{margin:10px 0 0;font-size:.93rem;color:var(--ink-2)}

/* How it works */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:s}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.steps{grid-template-columns:1fr;gap:14px}}
.steps li{counter-increment:s;padding:24px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius)}
.steps li::before{content:counter(s);display:grid;place-items:center;width:38px;height:38px;border-radius:50%;border:1px solid var(--accent);color:var(--accent);font:500 1.15rem/1 var(--display);margin-bottom:14px}
.steps h3{font-size:1.12rem;margin-bottom:.35em}
.steps p{margin:0;font-size:.95rem;color:var(--ink-2)}
.callout{margin-top:24px;display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:start;padding:20px 24px;border-radius:var(--radius);background:var(--wash);color:var(--ink)}
.callout svg{width:24px;height:24px;color:var(--accent);margin-top:2px}
.callout p{margin:0;font-size:.95rem}

/* Contact */
.contact-grid{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:56px;align-items:start}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr;gap:28px}}
.contact-grid .sec-head{margin-bottom:0}
.who{display:flex;gap:14px;align-items:center;margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}
.who .mono{width:46px;height:46px;border-radius:50%;background:var(--crimson);color:#fff;display:grid;place-items:center;font:500 1.15rem var(--display);flex:none}
.who p{margin:0;font-size:.95rem;color:var(--ink-2)}

/* Forms */
form{display:grid;gap:18px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width:600px){.row2{grid-template-columns:1fr}}
label{font-weight:600;font-size:.92rem;display:grid;gap:7px;color:var(--ink)}
label .opt{font-weight:400;color:var(--muted)}
.field{display:grid;gap:7px}
.hint{display:block;font-weight:400;font-size:.85rem;color:var(--muted);margin-top:-3px}
input,textarea{font:inherit;font-size:1rem;color:var(--ink);background:var(--paper);border:1.5px solid var(--line-strong);border-radius:10px;padding:13px 14px;width:100%;min-width:0}
input::placeholder,textarea::placeholder{color:var(--muted);opacity:.8}
input:hover,textarea:hover{border-color:var(--muted)}
input:focus,textarea:focus{outline:3px solid color-mix(in srgb,var(--focus) 35%,transparent);outline-offset:0;border-color:var(--focus)}
textarea{min-height:150px;resize:vertical}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.status{min-height:1.4em;font-weight:600;font-size:.95rem}
.status:empty{min-height:0}
.status.ok,.status.err{padding:10px 14px;border-radius:10px;border-left:4px solid currentColor}
.status.err{color:var(--err);background:color-mix(in srgb,var(--err) 9%,transparent)}
.status.ok{color:var(--ok);background:color-mix(in srgb,var(--ok) 10%,transparent)}

/* Footer */
footer{border-top:1px solid var(--line);padding:32px 0 40px;color:var(--muted);font-size:.88rem}
footer .wrap{display:flex;justify-content:space-between;gap:8px 24px;flex-wrap:wrap}

/* Verify page */
.verify-main{min-height:calc(100vh - 160px);display:grid;place-items:center;padding:56px 16px}
.verify-card{max-width:500px;width:100%;padding:36px;text-align:center;border-top:4px solid var(--crimson)}
@media (max-width:600px){.verify-card{padding:28px 20px}}
.verify-card .seal{width:64px;height:64px;margin:0 auto 18px;color:var(--accent)}
.verify-card h1{font-size:clamp(1.9rem,6vw,2.4rem)}
.verify-card p{color:var(--ink-2)}
.verify-card .btn{min-width:220px}
.verify-card .status{margin-top:14px}

/* Members: greeting */
.greet{padding:56px 0 44px;position:relative;overflow:hidden}
.greet::before{content:"";position:absolute;inset:0;background:radial-gradient(640px 320px at 95% 0%,var(--wash),transparent 70%);pointer-events:none}
.greet .wrap{position:relative}
.greet h1{font-size:clamp(2.4rem,6.5vw,4rem)}
.greet h1 .name{font-style:italic;color:var(--accent)}
.glance{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 0;padding:0;list-style:none}
.glance li{display:flex;align-items:center;gap:8px;padding:8px 14px;border:1px solid var(--line-strong);border-radius:999px;font-size:.9rem;color:var(--ink-2);background:var(--card)}
.glance b{color:var(--ink);font-weight:600}
.glance .dot{width:8px;height:8px;border-radius:50%;background:var(--crimson);flex:none}

/* Members: quick actions */
.quick{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr) minmax(0,1fr);gap:20px;margin-top:36px}
@media (max-width:900px){.quick{grid-template-columns:1fr}}
.quick .card{display:flex;flex-direction:column;padding:24px;scroll-margin-top:110px}
.quick .ico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--wash);color:var(--accent);margin-bottom:14px}
.quick .ico svg{width:22px;height:22px}
.quick h2{font-size:1.3rem;margin-bottom:.3em}
.quick p{font-size:.95rem;color:var(--ink-2);flex:1}
.quick .btn{align-self:flex-start;padding:12px 18px;font-size:.95rem}
@media (max-width:600px){.quick{gap:14px}.quick .card{display:grid;grid-template-columns:44px minmax(0,1fr);column-gap:14px;align-items:center;padding:20px}.quick .ico{margin:0}.quick h2{margin:0;font-size:1.2rem}.quick p,.quick .btn{grid-column:1/-1}.quick p{margin:12px 0 14px}}
@media (max-width:900px){.quick .btn{align-self:stretch}}

/* Podcast */
.podcast{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);overflow:hidden}
@media (max-width:820px){.podcast{grid-template-columns:1fr}}
.podcast .art{position:relative;min-height:320px;padding:30px;color:#fff;display:flex;flex-direction:column;justify-content:space-between;
  background:radial-gradient(circle at 80% 20%,rgba(255,255,255,.14),transparent 45%),linear-gradient(150deg,#5E0F1C,#A51C30 60%,#C63D52)}
.podcast .art .wave{position:absolute;right:-30px;bottom:-30px;width:260px;height:260px;opacity:.18}
.podcast .art small{font:600 .8125rem/1 var(--sans);letter-spacing:.16em;text-transform:uppercase;opacity:.9}
.podcast .art strong{display:block;font:400 clamp(1.8rem,3vw,2.3rem)/1.1 var(--display);margin-top:12px;max-width:12em}
.podcast .art .hosts{position:relative;font-size:.92rem;opacity:.95;margin-top:28px}
.podcast .art .hosts b{font-weight:600}
.podcast .body{padding:32px}
@media (max-width:600px){.podcast .art,.podcast .body{padding:24px 20px}.podcast .art{min-height:240px}}
.podcast .body h3{font-size:1.5rem}
.past{margin-top:26px;padding-top:20px;border-top:1px solid var(--line);font-size:.95rem;color:var(--ink-2)}
.past .label{display:block;font:600 .8125rem/1.3 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.past strong{color:var(--ink);font-weight:600}

/* Reunion covers: stamp art underneath, optional photo on top */
.cover{position:relative;overflow:hidden;color:#fff;isolation:isolate}
.cover .art{position:absolute;inset:0;z-index:0}
.cover .photo{position:absolute;inset:0;z-index:1;background-size:cover;background-position:center}
.cover .stamp{position:absolute;right:18px;top:16px;width:116px;height:116px;opacity:.55;transform:rotate(-10deg);z-index:0}
.cover .place{position:absolute;left:22px;bottom:16px;z-index:2;font:400 2rem/1 var(--display);font-style:italic;text-shadow:0 2px 14px rgba(0,0,0,.45)}
.cover::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(to top,rgba(0,0,0,.42),transparent 55%)}
.art-mexico{background:radial-gradient(circle at 15% 115%,#D9467A 0,transparent 55%),linear-gradient(135deg,#0F5257,#1F7A6E 55%,#3E9B7F)}
.art-india{background:radial-gradient(circle at 85% 120%,#F3B33D 0,transparent 55%),linear-gradient(135deg,#7E2A12,#C0541D 55%,#E08A2E)}
.art-israel{background:radial-gradient(circle at 15% 115%,#E9D7A8 0,transparent 50%),linear-gradient(135deg,#123B5C,#24628E 55%,#4A93BE)}
.art::before{content:"";position:absolute;inset:0;opacity:.13;background:repeating-radial-gradient(circle at 110% -10%,#fff 0 1px,transparent 1px 14px)}

.next{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);overflow:hidden;margin-bottom:28px}
@media (max-width:820px){.next{grid-template-columns:1fr}}
.next .cover{min-height:280px}
@media (max-width:600px){.next .cover{min-height:200px}}
.next .info{padding:32px;display:flex;flex-direction:column;justify-content:center}
@media (max-width:600px){.next .info{padding:24px 20px}}
.next .info h3{font-size:1.75rem}
.when{color:var(--ink-2);margin-bottom:16px}
.past-title{font:600 .8125rem/1.3 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:0 0 16px}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
@media (max-width:700px){.grid2{grid-template-columns:1fr}}
.reunion{overflow:hidden;display:flex;flex-direction:column}
.reunion .cover{aspect-ratio:16/9}
.reunion .info{padding:22px 24px 26px}
.reunion .info h3{margin-bottom:.2em}
.reunion .when{font-size:.95rem;margin-bottom:12px}
.arrow{font-weight:600;text-decoration:none;display:inline-flex;align-items:center;gap:6px}
.arrow:hover{text-decoration:underline}
.arrow svg{width:16px;height:16px;flex:none}

/* Reunion detail page */
.trip-hero{min-height:300px;display:flex;align-items:flex-end}
@media (max-width:600px){.trip-hero{min-height:240px}}
.trip-hero .wrap{position:relative;z-index:2;padding-bottom:30px;padding-top:40px;width:100%}
.trip-hero .eyebrow{color:#fff;opacity:.92}
.trip-hero h1{color:#fff;font-style:italic;margin:0;text-shadow:0 2px 18px rgba(0,0,0,.35)}
.trip-hero .stamp{right:6%;top:24px;width:150px;height:150px}
.trip-meta{display:flex;flex-wrap:wrap;gap:8px 28px;padding:22px 0;border-bottom:1px solid var(--line);color:var(--ink-2)}
.trip-meta b{color:var(--ink);font-weight:600}
.daynav{display:flex;gap:8px;overflow-x:auto;padding:18px 0 4px;scrollbar-width:none;margin:0 -16px;padding-left:16px;padding-right:16px}
.daynav::-webkit-scrollbar{display:none}
.daynav a{flex:none;text-decoration:none;color:var(--ink-2);border:1px solid var(--line-strong);border-radius:999px;padding:7px 14px;font-size:.88rem;background:var(--card)}
.daynav a:hover{border-color:var(--accent);color:var(--accent)}
.highlight{display:flex;gap:16px;align-items:center;margin:28px 0 8px;padding:20px 22px}
.highlight .ico{width:44px;height:44px;border-radius:50%;background:var(--wash);color:var(--accent);display:grid;place-items:center;flex:none}
.highlight .ico svg{width:20px;height:20px}
.highlight p{margin:0;color:var(--ink-2);font-size:.95rem}
.highlight strong{display:block;color:var(--ink);font-weight:600}
.day{display:grid;grid-template-columns:150px minmax(0,1fr);gap:24px;padding:28px 0;border-top:1px solid var(--line);scroll-margin-top:84px}
.day:first-of-type{border-top:0}
@media (max-width:640px){.day{grid-template-columns:1fr;gap:10px;padding:22px 0}}
.day-label{font-family:var(--display)}
.day-label .dow{display:block;font:600 .8125rem/1.3 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.day-label .date{font-size:1.6rem;line-height:1.2}
@media (max-width:640px){.day-label{display:flex;align-items:baseline;gap:10px}.day-label .date{font-size:1.3rem}}
.ev-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.ev{display:flex;justify-content:space-between;align-items:center;gap:12px 16px;padding:14px 18px;background:var(--card);border:1px solid var(--line);border-radius:12px;flex-wrap:wrap}
.ev span{font-weight:500}
.ev a{white-space:nowrap;font-weight:600;font-size:.93rem;text-decoration:none;display:inline-flex;align-items:center;gap:6px}
.ev a:hover{text-decoration:underline}
.ev a svg{width:15px;height:15px}

/* ---- Touch and phone refinements ---- */
/* Every tappable control is at least 44px tall (Apple and Google guidance). */
nav a,.back,.brand{min-height:44px;display:inline-flex;align-items:center}
.signout{min-height:44px;padding:0 18px}
summary{min-height:44px}
details{padding-top:4px}
.daynav a{min-height:44px;display:inline-flex;align-items:center;padding:0 16px}
.arrow,.ev a,.past a{min-height:44px;display:inline-flex;align-items:center}
.ev{padding:6px 18px}
.ev span{padding:8px 0}

/* Public page on phones and tablets: sign-in card right after the title, key numbers after it. */
@media (max-width:900px){
  .hero-grid{gap:0}
  .hero-copy{display:contents}
  .hero-grid .eyebrow{order:1}
  .hero-grid h1{order:2}
  .hero-grid .lead{order:3;margin-bottom:0}
  .hero-grid .signin-card{order:4;margin-top:28px}
  .hero-grid .facts{order:5;margin-top:32px}
}