/* PipsAndPartners — shared styles
   Copyright (c) 2026 Khanh Vuong. All Rights Reserved. See LICENSE.txt. */

:root{
  color-scheme: light;
  --bg:#ffffff;
  --bg-alt:#f3f7fb;
  --surface:#ffffff;
  --text:#15222e;          /* headings / strong text — ~14:1 on white */
  --text-2:#394855;        /* body text — ~8.5:1 on white (AA/AAA) */
  --text-3:#586675;        /* meta / captions — ~5.6:1 on white (AA) */
  --blue:#0b63b8;          /* primary accent + links — ~5.9:1 on white (AA) */
  --blue-strong:#0a5199;   /* hover */
  --sky:#e7f0fb;           /* tint fills */
  --navy:#0a2540;
  --up:#0a7d51;
  --down:#c4373f;
  --border:#d9e2ec;
  --border-strong:#c0ccd9;
  --ring:rgba(11,99,184,.34);
  --shadow-sm:0 1px 2px rgba(16,35,55,.06), 0 3px 8px rgba(16,35,55,.07);
  --shadow-md:0 8px 20px rgba(16,35,55,.10), 0 22px 46px rgba(16,35,55,.10);
  --display:'Fraunces', serif;
  --body:'Inter', -apple-system, sans-serif;
  --mono:'IBM Plex Mono', monospace;
  --maxw:1040px;
}
*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }
body{
  background:var(--bg);
  color:var(--text-2);
  font-family:var(--body);
  font-size:16.5px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{ color:inherit; }
img{ max-width:100%; }
.wrap{ max-width:var(--maxw); margin:0 auto; padding:0 24px; }
::selection{ background:var(--blue); color:#fff; }
:focus-visible{ outline:3px solid var(--ring); outline-offset:2px; border-radius:6px; }

/* ---------- NAV ---------- */
header.nav{
  position:sticky; top:0; z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.nav-inner{ display:flex; align-items:center; gap:26px; padding:18px 0; }
.brand{
  font-family:var(--display); font-size:1.28rem; font-weight:600; color:var(--navy);
  text-decoration:none; letter-spacing:-.01em; white-space:nowrap;
}
.brand .dot{ color:var(--blue); }
.nav-links{
  display:flex; align-items:center; gap:32px;
  margin-left:6px; margin-right:auto; font-size:.96rem;
}
.nav-links a{
  position:relative; color:var(--text-2); text-decoration:none; font-weight:500;
  padding:6px 0; transition:color .15s;
}
.nav-links a:hover{ color:var(--text); }
.nav-links a[aria-current="page"]{ color:var(--blue); font-weight:700; }
.nav-links a[aria-current="page"]::after{
  content:''; position:absolute; left:0; right:0; bottom:-3px; height:2px;
  background:var(--blue); border-radius:2px;
}
.nav-more{ position:relative; }
.nav-more>summary{
  list-style:none; cursor:pointer; color:var(--text-2); font-weight:500; padding:6px 0;
  display:inline-flex; align-items:center; gap:6px;
}
.nav-more>summary::-webkit-details-marker{ display:none; }
.nav-more>summary::after{ content:'\25BE'; font-size:.7em; }
.nav-more[open]>summary{ color:var(--text); }
.nav-more-menu{
  position:absolute; right:0; top:calc(100% + 12px); min-width:190px;
  background:var(--surface); border:1px solid var(--border); border-radius:12px;
  box-shadow:var(--shadow-md); padding:8px; display:grid; gap:2px;
}
.nav-more-menu a{
  padding:10px 12px; border-radius:8px; text-decoration:none;
  color:var(--text-2); font-size:.92rem; font-weight:500;
}
.nav-more-menu a:hover{ background:var(--bg-alt); color:var(--text); }
.nav-actions{ display:flex; align-items:center; gap:14px; }
.nav-login{ color:var(--text); text-decoration:none; font-weight:600; font-size:.96rem; padding:9px 4px; }
.nav-login:hover{ color:var(--blue); }
.nav-cta{
  background:var(--blue); color:#fff; text-decoration:none; font-weight:700; font-size:.96rem;
  padding:12px 22px; border-radius:11px; box-shadow:0 6px 16px rgba(11,99,184,.26);
  transition:background .15s, transform .15s; white-space:nowrap;
}
.nav-cta:hover{ background:var(--blue-strong); transform:translateY(-1px); }
@media(max-width:840px){
  .nav-inner{ flex-wrap:wrap; gap:14px 22px; }
  .nav-links{ order:3; width:100%; flex-wrap:wrap; gap:16px 22px; margin:0; padding-top:12px; border-top:1px solid var(--border); font-size:.92rem; }
  .nav-more-menu{ position:static; box-shadow:none; border:0; padding:6px 0 0; min-width:0; }
}

/* ---------- BUTTONS ---------- */
.btn{
  font-family:var(--body); font-weight:700; font-size:1rem;
  padding:15px 26px; border-radius:12px; text-decoration:none;
  display:inline-flex; align-items:center; gap:9px; transition:all .16s; cursor:pointer;
}
.btn-primary{ background:var(--blue); color:#fff; box-shadow:0 10px 24px rgba(11,99,184,.30); }
.btn-primary:hover{ background:var(--blue-strong); transform:translateY(-2px); box-shadow:0 14px 30px rgba(11,99,184,.34); }
.btn-ghost{ background:transparent; color:var(--text); border:1.5px solid var(--border-strong); }
.btn-ghost:hover{ border-color:var(--blue); color:var(--blue); }
.btn-lg{ font-size:1.08rem; padding:18px 32px; }

/* ---------- HERO ---------- */
.hero{
  background:linear-gradient(180deg,#e9f1fb 0%, #ffffff 70%);
  padding:92px 0 60px;
  border-bottom:1px solid var(--border);
}
.eyebrow{
  font-family:var(--mono); font-size:.82rem; letter-spacing:.14em; font-weight:500;
  color:var(--blue); text-transform:uppercase; display:flex; align-items:center; gap:12px; margin-bottom:24px;
}
.eyebrow::before{ content:''; width:28px; height:2px; background:var(--blue); }
h1.headline{
  font-family:var(--display); font-weight:600;
  font-size:clamp(2.8rem, 6.6vw, 4.6rem);
  line-height:1.03; letter-spacing:-.02em; color:var(--text);
  max-width:15ch;
}
h1.headline em{ font-style:italic; color:var(--blue); font-weight:500; }
.hero .sub{
  max-width:38ch; margin-top:24px; font-size:1.28rem; line-height:1.5; color:var(--text-2);
}
.hero-ctas{ display:flex; gap:14px; margin-top:36px; flex-wrap:wrap; }

/* ticker */
.ticker-wrap{ margin-top:56px; border-top:1px solid var(--border); border-bottom:1px solid var(--border); padding:18px 0; overflow:hidden; }
.ticker-row{ display:flex; align-items:center; gap:24px; flex-wrap:wrap; }
.ticker-readout{ font-family:var(--mono); font-size:.9rem; white-space:nowrap; }
.ticker-readout .pair{ color:var(--text-3); }
.ticker-readout .val{ color:var(--text); font-weight:500; }
.delta.up{ color:var(--up); font-weight:600; }
.delta.down{ color:var(--down); font-weight:600; }
svg#spark{ width:100%; height:48px; display:block; margin-top:10px; }
.spark-line{ fill:none; stroke:var(--blue); stroke-width:1.6; }
.spark-fill{ fill:url(#sparkGrad); opacity:.32; }
.spark-dot{ fill:var(--blue); }

/* ---------- TRUST STRIP ---------- */
.trust-strip{ padding:0; background:var(--bg-alt); border-bottom:1px solid var(--border); }
.trust-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--border); }
.trust-item{ background:var(--bg-alt); padding:28px 22px; text-align:center; }
.trust-item strong{ display:block; font-family:var(--display); font-size:1.55rem; color:var(--text); font-weight:600; }
.trust-item span{ display:block; margin-top:6px; font-size:.95rem; color:var(--text-2); }
@media(max-width:720px){ .trust-grid{ grid-template-columns:1fr; } }

/* ---------- SECTION SCAFFOLD ---------- */
section{ padding:76px 0; }
.section-tight{ padding:48px 0 68px; }
.section-alt{ background:var(--bg-alt); border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.section-head{ max-width:54ch; margin-bottom:38px; }
.section-head .kicker{
  font-family:var(--mono); font-size:.8rem; letter-spacing:.14em; text-transform:uppercase;
  color:var(--blue); font-weight:500;
}
.section-head h2{
  font-family:var(--display); font-weight:600; font-size:clamp(1.8rem,3.8vw,2.5rem);
  color:var(--text); margin-top:10px; letter-spacing:-.01em;
}
.section-head p{ margin-top:14px; font-size:1.08rem; color:var(--text-2); }

/* ---------- HOW IT WORKS ---------- */
.steps{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.how-step{
  background:var(--surface); border:1px solid var(--border); border-radius:16px;
  padding:30px 26px; box-shadow:var(--shadow-sm);
}
.how-step .n{
  display:grid; place-items:center; width:42px; height:42px; border-radius:11px;
  background:var(--sky); color:var(--blue); font-family:var(--mono); font-weight:600; font-size:1rem;
}
.how-step h3{ font-family:var(--display); font-weight:600; font-size:1.2rem; color:var(--text); margin:18px 0 8px; }
.how-step p{ font-size:1rem; color:var(--text-2); }
@media(max-width:840px){ .steps{ grid-template-columns:1fr; } }

/* ---------- FEATURE CARDS ---------- */
.cards3{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; align-items:stretch; }
.card{
  display:flex; flex-direction:column; height:100%;
  background:var(--surface); border:1px solid var(--border); border-radius:18px;
  padding:32px 28px; box-shadow:var(--shadow-sm);
  text-decoration:none; color:inherit;
  transition:transform .18s, box-shadow .18s, border-color .18s;
}
a.card:hover, a.card:focus-visible{ transform:translateY(-6px); border-color:var(--blue); box-shadow:var(--shadow-md); }
.card .icon{
  display:grid; place-items:center; width:58px; height:58px; border-radius:15px;
  background:var(--sky); font-size:1.85rem; line-height:1;
}
.card h3{ font-family:var(--display); font-weight:600; font-size:1.34rem; color:var(--text); margin:20px 0 10px; }
.card p{ font-size:1.02rem; color:var(--text-2); }
.card .card-link{
  margin-top:auto; padding-top:20px; font-family:var(--mono); font-size:.82rem; font-weight:500;
  color:var(--blue); display:inline-flex; align-items:center; gap:7px; transition:gap .16s;
}
a.card:hover .card-link{ gap:12px; }
@media(max-width:840px){ .cards3{ grid-template-columns:1fr; } }

/* ---------- BENEFITS ---------- */
.benefits{ list-style:none; display:grid; grid-template-columns:1fr 1fr; gap:14px; margin-top:8px; }
.benefits li{
  display:flex; align-items:flex-start; gap:14px; font-size:1.02rem; color:var(--text);
  background:var(--surface); border:1px solid var(--border); border-radius:14px; padding:18px 20px; box-shadow:var(--shadow-sm);
}
.benefits .mark{
  flex:none; display:grid; place-items:center; width:26px; height:26px; border-radius:8px;
  background:var(--sky); color:var(--blue); font-family:var(--mono); font-weight:700; font-size:.9rem;
}
@media(max-width:720px){ .benefits{ grid-template-columns:1fr; } }

/* ---------- PARTNER page step row ---------- */
.step-row{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin-top:30px; }
.step{ background:var(--surface); border:1px solid var(--border); border-radius:16px; padding:24px; box-shadow:var(--shadow-sm); }
.step .num{ font-family:var(--mono); color:var(--blue); font-weight:700; font-size:.82rem; }
.step p{ margin-top:10px; font-size:.98rem; color:var(--text-2); }
@media(max-width:720px){ .step-row{ grid-template-columns:1fr; } }

/* ---------- PAGE HEADER (inner pages) ---------- */
.page-head{ padding:66px 0 12px; }
.page-head .eyebrow{ margin-bottom:16px; }
.page-head h1{ font-family:var(--display); font-weight:600; font-size:clamp(2rem,4.4vw,2.9rem); color:var(--text); letter-spacing:-.01em; }
.page-head p{ color:var(--text-2); max-width:54ch; margin-top:14px; font-size:1.12rem; }

/* ---------- TOOLS calculator ---------- */
.calc{
  background:var(--surface); border:1px solid var(--border); border-radius:18px; padding:30px;
  display:grid; grid-template-columns:1fr 1fr; gap:22px; margin-top:8px; box-shadow:var(--shadow-sm);
}
.calc-field label{ display:block; font-family:var(--mono); font-size:.74rem; color:var(--text-3); letter-spacing:.06em; margin-bottom:9px; text-transform:uppercase; }
.calc-field select, .calc-field input{
  width:100%; background:var(--bg-alt); border:1px solid var(--border-strong); color:var(--text);
  padding:13px 15px; font-family:var(--mono); font-size:.95rem; border-radius:10px;
}
.calc-field select:focus, .calc-field input:focus{ outline:3px solid var(--ring); outline-offset:1px; }
.calc-result{ grid-column:1/-1; border-top:1px solid var(--border); padding-top:20px; display:flex; justify-content:space-between; align-items:baseline; flex-wrap:wrap; gap:10px; }
.calc-result .label{ font-family:var(--mono); font-size:.8rem; color:var(--text-3); }
.calc-result .value{ font-family:var(--display); font-size:1.95rem; font-weight:600; color:var(--blue); }
.calc-note{ grid-column:1/-1; color:var(--text-3); font-size:.86rem; }
@media(max-width:600px){ .calc{ grid-template-columns:1fr; } }

/* ---------- ABOUT ---------- */
.about-card{ background:var(--surface); border:1px solid var(--border); border-radius:18px; padding:32px; margin-top:8px; box-shadow:var(--shadow-sm); }
.about-card p{ color:var(--text-2); font-size:1.06rem; margin-bottom:14px; }
.about-card p:last-child{ margin-bottom:0; }
.about-card strong{ color:var(--text); }

/* ---------- CTA BANNER ---------- */
.cta-banner{
  background:var(--sky); border:1px solid var(--border-strong); border-radius:20px;
  padding:38px 34px; display:flex; justify-content:space-between; align-items:center; gap:24px; flex-wrap:wrap;
}
.cta-banner h2{ font-family:var(--display); font-weight:600; font-size:1.6rem; color:var(--text); }
.cta-banner p{ color:var(--text-2); font-size:1.02rem; margin-top:6px; }

/* ---------- FOOTER ---------- */
footer{ padding:46px 0 58px; background:var(--bg-alt); border-top:1px solid var(--border); }
.disclaimer{ font-size:.84rem; color:var(--text-3); line-height:1.75; max-width:80ch; }
.foot-row{ display:flex; justify-content:space-between; margin-top:20px; padding-top:18px; border-top:1px solid var(--border); flex-wrap:wrap; gap:10px; font-size:.9rem; color:var(--text-2); }