/* ==========================================================================
   Entoro OfferBoard – Bootstrap 5.3 custom theme
   1. Brand tokens (exact values taken from the live site)
   2. Bootstrap variable mapping (dark colour mode)
   3. Component tweaks (navbar, buttons, cards, accordion, table, modal…)
   4. Small helpers used by the page
   ========================================================================== */

/* ---------- 1. Brand tokens ---------- */
:root {
  --bg: #050608;
  --bg-2: #0a0c10;
  --surface: #0f1217;
  --surface-2: #151922;
  --surface-3: #1c212c;
  --line: #222834;
  --line-2: #2e3542;
  --text: #f1f1ec;
  --text-2: #b5b8bf;
  --muted: #8e939d;
  --accent: #5b9bff;
  --accent-hover: #7eb0ff;
  --accent-ink: #03122b;
  --accent-soft: rgba(91, 155, 255, .12);
  --gold: #f2c86b;
  --gold-soft: rgba(242, 200, 107, .12);
  --red: #f27c7c;
  --red-soft: rgba(242, 124, 124, .12);
  --blue: #62d2e3;
  --blue-soft: rgba(98, 210, 227, .12);
  --focus-ring: #8fbcff;
  --shadow: 0 20px 60px rgba(0, 0, 0, .45);
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --display: "Sora", "Inter", system-ui, sans-serif;
  --serif: var(--display);
  --mono: var(--sans);
  --card-grad: linear-gradient(180deg, var(--surface), var(--bg-2));
}

/* ---------- 2. Bootstrap variable mapping ---------- */
:root,
[data-bs-theme="dark"] {
  color-scheme: dark;

  --bs-body-font-family: var(--sans);
  --bs-body-font-size: .9375rem;          /* 15px */
  --bs-body-line-height: 1.5;
  --bs-body-bg: var(--bg);               --bs-body-bg-rgb: 5, 6, 8;
  --bs-body-color: var(--text);          --bs-body-color-rgb: 241, 241, 236;
  --bs-emphasis-color: var(--text);      --bs-emphasis-color-rgb: 241, 241, 236;
  --bs-secondary-color: var(--text-2);   --bs-secondary-color-rgb: 181, 184, 191;
  --bs-tertiary-color: var(--muted);     --bs-tertiary-color-rgb: 142, 147, 157;
  --bs-secondary-bg: var(--surface-2);   --bs-secondary-bg-rgb: 21, 25, 34;
  --bs-tertiary-bg: var(--surface);      --bs-tertiary-bg-rgb: 15, 18, 23;
  --bs-border-color: var(--line);        --bs-border-color-translucent: rgba(241, 241, 236, .08);

  --bs-primary: var(--accent);           --bs-primary-rgb: 91, 155, 255;
  --bs-warning: var(--gold);             --bs-warning-rgb: 242, 200, 107;
  --bs-danger: var(--red);               --bs-danger-rgb: 242, 124, 124;
  --bs-info: var(--blue);                --bs-info-rgb: 98, 210, 227;
  --bs-primary-bg-subtle: var(--accent-soft);
  --bs-warning-bg-subtle: var(--gold-soft);
  --bs-primary-text-emphasis: var(--accent);
  --bs-warning-text-emphasis: var(--gold);
  --bs-primary-border-subtle: rgba(91, 155, 255, .3);
  --bs-warning-border-subtle: rgba(242, 200, 107, .3);

  --bs-link-color: var(--accent);        --bs-link-color-rgb: 91, 155, 255;
  --bs-link-hover-color: var(--focus-ring); --bs-link-hover-color-rgb: 143, 188, 255;

  --bs-border-radius: .5625rem;          /* 9px  */
  --bs-border-radius-lg: .875rem;        /* 14px */
  --bs-border-radius-xl: 1.25rem;        /* 20px */
  --bs-border-radius-xxl: 1.375rem;      /* 22px */
  --bs-box-shadow: var(--shadow);
  --bs-focus-ring-color: rgba(91, 155, 255, .35);
  --bs-heading-color: var(--text);
}

/* ---------- 3. Base + typography ---------- */
html { scroll-behavior: smooth; background: var(--bg); }
body { -webkit-font-smoothing: antialiased; text-size-adjust: 100%; }
section[id] { scroll-margin-top: 76px; }
:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; }

h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6 {
  font-family: var(--display);
  font-weight: 500;
  letter-spacing: -.03em;
  line-height: 1.1;
}
h3, h4, h5, .h3, .h4, .h5 { font-weight: 400; letter-spacing: -.02em; line-height: 1.1; }
h1 em, h2 em, h3 em { font-style: normal; font-weight: 600; color: var(--accent); }

/* Bootstrap display sizes tuned to the site (76px / 48px / 44px) */
.display-1 { font-size: clamp(2.6rem, 1.1rem + 4.8vw, 4.75rem); letter-spacing: -.035em; line-height: 1.1; font-weight: 500; }
.display-4 { font-size: clamp(2rem, 1.1rem + 2.9vw, 3rem);       letter-spacing: -.03em;  line-height: 1.1; font-weight: 500; }
.display-5 { font-size: clamp(1.9rem, 1.1rem + 2.4vw, 2.75rem);  letter-spacing: -.03em;  line-height: 1.1; font-weight: 500; }
.lead { font-size: 1.1875rem; font-weight: 400; line-height: 1.5; color: var(--text-2); }

.ob-eyebrow {
  display: inline-block;
  font-size: .75rem; letter-spacing: .08em; text-transform: uppercase;
  color: var(--muted);
}
.ob-eyebrow b { color: var(--accent); font-weight: 500; margin-right: .5rem; }
.ob-section { padding-block: 5rem; }
.ob-section + .ob-section { border-top: 1px solid var(--line); }
.ob-bignum { font-family: var(--display); font-size: clamp(3.5rem, 7vw, 6rem); line-height: .8; color: var(--line-2); font-weight: 400; }
.ob-mono { font-family: var(--mono); font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.ob-caps { font-size: .6875rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }

/* ---------- Navbar ---------- */
.ob-navbar {
  --bs-navbar-color: var(--text-2);
  --bs-navbar-hover-color: var(--text);
  --bs-navbar-active-color: var(--text);
  --bs-navbar-brand-hover-color: var(--text);
  --bs-navbar-toggler-border-color: var(--line-2);
  --bs-navbar-toggler-focus-width: .15rem;
  --bs-navbar-toggler-icon-bg: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28241, 241, 236, 0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
  background: rgba(5, 6, 8, .75);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(34, 40, 52, .6);
  min-height: 68px;
}
.ob-navbar .navbar-nav { gap: .25rem; font-size: .875rem; }
.ob-navbar .navbar-toggler:focus { box-shadow: 0 0 0 .15rem rgba(91,155,255,.35); }
.ob-navbar .navbar-brand img { height: 40px; width: auto; }
@media (max-width: 575.98px) { .ob-navbar .navbar-brand img { height: 32px; } }
@media (min-width: 1200px) { .ob-navbar .navbar-nav { gap: 1.75rem; } .ob-navbar .nav-link { padding-inline: 0; } }
@media (max-width: 1199.98px) {
  .ob-navbar .navbar-collapse { padding: 1rem 0 1.25rem; }
  .ob-navbar .navbar-nav { padding-bottom: 1rem; }
}

/* ---------- Buttons ---------- */
.btn {
  --bs-btn-border-radius: 999px;
  --bs-btn-font-weight: 600;
  --bs-btn-focus-box-shadow: 0 0 0 .2rem rgba(91, 155, 255, .35);
}
.btn-primary {
  --bs-btn-color: var(--accent-ink);     --bs-btn-bg: var(--accent);       --bs-btn-border-color: var(--accent);
  --bs-btn-hover-color: var(--accent-ink); --bs-btn-hover-bg: var(--accent-hover); --bs-btn-hover-border-color: var(--accent-hover);
  --bs-btn-active-color: var(--accent-ink); --bs-btn-active-bg: #4a8bef;   --bs-btn-active-border-color: #4a8bef;
  --bs-btn-disabled-color: var(--accent-ink); --bs-btn-disabled-bg: var(--accent); --bs-btn-disabled-border-color: var(--accent);
}
.btn-light {
  --bs-btn-color: var(--bg);             --bs-btn-bg: var(--text);         --bs-btn-border-color: var(--text);
  --bs-btn-hover-color: var(--bg);       --bs-btn-hover-bg: #fff;          --bs-btn-hover-border-color: #fff;
  --bs-btn-active-color: var(--bg);      --bs-btn-active-bg: #dcdcd6;      --bs-btn-active-border-color: #dcdcd6;
}
.btn-secondary {
  --bs-btn-color: var(--text);           --bs-btn-bg: var(--surface-3);    --bs-btn-border-color: var(--line-2);
  --bs-btn-hover-color: var(--text);     --bs-btn-hover-bg: var(--surface-3); --bs-btn-hover-border-color: var(--accent);
  --bs-btn-active-color: var(--text);    --bs-btn-active-bg: var(--surface-2); --bs-btn-active-border-color: var(--accent);
}
.btn-ghost {
  --bs-btn-color: var(--text-2);         --bs-btn-bg: transparent;         --bs-btn-border-color: transparent;
  --bs-btn-hover-color: var(--text);     --bs-btn-hover-bg: var(--surface-2); --bs-btn-hover-border-color: var(--line-2);
  --bs-btn-active-color: var(--text);    --bs-btn-active-bg: var(--surface-2); --bs-btn-active-border-color: var(--line-2);
  --bs-btn-font-weight: 500;
}
.btn-lg { --bs-btn-padding-y: .875rem; --bs-btn-padding-x: 1.5rem; --bs-btn-font-size: .9375rem; }
.btn-sm { --bs-btn-padding-y: .5rem; --bs-btn-padding-x: 1rem; --bs-btn-font-size: .8125rem; }
.btn:not(.btn-lg):not(.btn-sm) { --bs-btn-padding-y: .625rem; --bs-btn-padding-x: 1.125rem; --bs-btn-font-size: .875rem; }
a.link-arrow { color: var(--text); text-decoration: none; font-weight: 500; font-size: .875rem; }
a.link-arrow:hover { color: var(--accent); }

/* ---------- Cards ---------- */
.card {
  --bs-card-bg: transparent;
  --bs-card-border-color: var(--line);
  --bs-card-border-radius: 1.25rem;
  --bs-card-inner-border-radius: calc(1.25rem - 1px);
  --bs-card-cap-bg: transparent;
  --bs-card-color: var(--text);
  background-image: var(--card-grad);
}
.card.card-sm { --bs-card-border-radius: .875rem; --bs-card-inner-border-radius: calc(.875rem - 1px); }
.card.card-lg { --bs-card-border-radius: 1.375rem; --bs-card-inner-border-radius: calc(1.375rem - 1px); }
.card-hover { transition: border-color .25s, transform .25s; }
.card-hover:hover { border-color: var(--line-2); transform: translateY(-2px); }
.card.ob-door { background-image: linear-gradient(rgba(91, 155, 255, .05), transparent 60%), none; background-color: var(--surface); }
.card.ob-glass { background: rgba(15, 18, 23, .8); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.ob-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.5rem; height: 2.5rem; border-radius: .75rem;
  background: var(--accent-soft); color: var(--accent);
}
.ob-icon svg, .ob-icon .lucide { width: 1.25rem; height: 1.25rem; }
.lucide { width: 1em; height: 1em; stroke-width: 1.75; vertical-align: -.125em; }

/* ---------- Badges, progress, lists ---------- */
.badge { font-weight: 500; letter-spacing: .02em; }
.badge.text-bg-primary { background-color: var(--accent-soft) !important; color: var(--accent) !important; border: 1px solid rgba(91, 155, 255, .3); }
.badge.text-bg-warning { background-color: var(--gold-soft) !important; color: var(--gold) !important; border: 1px solid rgba(242, 200, 107, .3); }
.badge.text-bg-secondary { background-color: var(--surface-2) !important; color: var(--text-2) !important; border: 1px solid var(--line-2); }
.progress {
  --bs-progress-bg: var(--surface-3);
  --bs-progress-bar-bg: var(--accent);
  --bs-progress-height: .375rem;
  --bs-progress-border-radius: 999px;
}
.progress-bar { background-image: linear-gradient(90deg, rgba(91, 155, 255, .55), var(--accent)); }
.progress.progress-thin { --bs-progress-height: .25rem; }
.list-group {
  --bs-list-group-bg: transparent;
  --bs-list-group-color: var(--text);
  --bs-list-group-border-color: var(--line);
  --bs-list-group-active-bg: var(--surface);
  --bs-list-group-active-color: var(--text);
  --bs-list-group-active-border-color: var(--line-2);
}
.ob-points { list-style: none; padding: 0; margin: 0; display: grid; gap: .5rem; color: var(--text-2); }
.ob-points li { display: flex; gap: .625rem; align-items: baseline; }
.ob-points .bi { color: var(--accent); font-size: .8125rem; flex: none; }

/* ---------- Accordion (FAQ) ---------- */
.accordion {
  --bs-accordion-bg: transparent;
  --bs-accordion-color: var(--text-2);
  --bs-accordion-border-color: var(--line);
  --bs-accordion-btn-color: var(--text);
  --bs-accordion-btn-bg: transparent;
  --bs-accordion-active-color: var(--text);
  --bs-accordion-active-bg: transparent;
  --bs-accordion-btn-padding-y: 1.25rem;
  --bs-accordion-btn-padding-x: 0;
  --bs-accordion-body-padding-x: 0;
  --bs-accordion-btn-focus-box-shadow: none;
  --bs-accordion-btn-icon: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%238e939d'%3e%3cpath d='M8 2a.75.75 0 0 1 .75.75v4.5h4.5a.75.75 0 0 1 0 1.5h-4.5v4.5a.75.75 0 0 1-1.5 0v-4.5h-4.5a.75.75 0 0 1 0-1.5h4.5v-4.5A.75.75 0 0 1 8 2z'/%3e%3c/svg%3e");
  --bs-accordion-btn-active-icon: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%235b9bff'%3e%3cpath d='M2.75 7.25h10.5a.75.75 0 0 1 0 1.5H2.75a.75.75 0 0 1 0-1.5z'/%3e%3c/svg%3e");
}
.accordion-button { font-size: 1.125rem; font-weight: 400; box-shadow: none; }
.accordion-button:not(.collapsed) { box-shadow: none; color: var(--text); }
.accordion-button::after { width: 1rem; height: 1rem; background-size: 1rem; }
.accordion-body { padding-top: 0; padding-bottom: 1.25rem; line-height: 1.6; }

/* ---------- Table (comparison) ---------- */
.table {
  --bs-table-bg: transparent;
  --bs-table-color: var(--text);
  --bs-table-border-color: var(--line);
  --bs-table-hover-bg: rgba(241, 241, 236, .03);
}
.ob-compare th { font-size: .6875rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); font-weight: 500; white-space: nowrap; }
.ob-compare th, .ob-compare td { padding: .875rem 1rem; vertical-align: middle; }
.ob-compare th:last-child, .ob-compare td:last-child { background: var(--accent-soft); }
.ob-compare th:last-child { color: var(--accent); }
.ob-compare td .bi { margin-right: .375rem; }
.ob-compare td { font-size: .8125rem; color: var(--text-2); }
.ob-compare td:first-child { color: var(--text); font-size: .875rem; }

/* ---------- Modal (leadership bios) ---------- */
.modal {
  --bs-modal-bg: var(--surface);
  --bs-modal-color: var(--text);
  --bs-modal-border-color: var(--line-2);
  --bs-modal-border-radius: 1.375rem;
  --bs-modal-inner-border-radius: calc(1.375rem - 1px);
  --bs-modal-box-shadow: var(--shadow);
}
.modal-backdrop { --bs-backdrop-bg: #000; --bs-backdrop-opacity: .7; }
.modal-body h3.ob-caps { font-family: var(--sans); margin: 1.5rem 0 .5rem; letter-spacing: .08em; font-weight: 500; font-size: .6875rem; }
.modal-body ul.ob-points { color: var(--text-2); }

/* ---------- 4. Page helpers ---------- */
.ob-hero { position: relative; overflow: hidden; }
.ob-hero > .container { position: relative; z-index: 1; }
.ob-atmos-wrap { position: absolute; inset: 0; z-index: 0; }
.ob-grid-bg { background-image: linear-gradient(rgba(241,241,236,.043) 1px, transparent 1px), linear-gradient(90deg, rgba(241,241,236,.043) 1px, transparent 1px); background-size: 64px 64px; }
.ob-scroll-cue { font-size: .6875rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); text-decoration: none; }
.ob-scroll-cue:hover { color: var(--text); }
.ob-avatar {
  display: inline-flex; align-items: center; justify-content: center; flex: none;
  width: 2rem; height: 2rem; border-radius: 50%;
  background: var(--surface-3); border: 1px solid var(--line-2);
  font-size: .625rem; font-weight: 600; color: var(--text-2);
}
.ob-avatar.is-hot { background: var(--accent-soft); border-color: rgba(91,155,255,.4); color: var(--accent); }
.ob-ring-wrap { width: 4.75rem; height: 4.75rem; flex: none; }

/* Risk factor bar */
.ob-risk { position: relative; height: .375rem; border-radius: 999px; background: linear-gradient(90deg, var(--blue), var(--gold) 60%, var(--red)); }
.ob-risk::after { content: ""; position: absolute; top: -3px; left: var(--at, 46%); width: 2px; height: calc(100% + 6px); background: var(--text); border-radius: 2px; }

/* Vertical timeline (Match to Close) */
.ob-timeline { list-style: none; margin: 0; padding: 0; position: relative; }
.ob-timeline::before { content: ""; position: absolute; left: 1rem; top: 1rem; bottom: 1rem; width: 2px; background: var(--accent); opacity: .8; transform: translateX(-50%); }
.ob-timeline li { position: relative; display: flex; gap: 1.25rem; align-items: flex-start; padding-bottom: .875rem; }
.ob-timeline li:last-child { padding-bottom: 0; }
.ob-step-dot {
  flex: none; width: 2rem; height: 2rem; border-radius: 50%; position: relative; z-index: 1;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--accent); color: var(--accent-ink); font-size: .6875rem; font-weight: 700;
  box-shadow: 0 0 0 5px var(--bg);
}

/* Compliance stepper */
.ob-stepper { position: relative; }
.ob-stepper::before { content: ""; position: absolute; left: 10%; right: 10%; top: 1rem; height: 2px; background: var(--accent); opacity: .8; }
.ob-stepper .ob-step-dot { box-shadow: 0 0 0 5px var(--bg); }
@media (max-width: 767.98px) { .ob-stepper::before { display: none; } }

/* Demand sticky replacement + rails */
.ob-rail { position: fixed; right: 22px; top: 50%; transform: translateY(-50%); z-index: 1030; gap: 12px; }
.ob-rail a { display: flex; align-items: center; justify-content: flex-end; gap: 10px; height: 14px; text-decoration: none; }
.ob-rail a::after { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--line-2); transition: .3s; }
.ob-rail a.active::after { width: 8px; height: 8px; background: var(--accent); box-shadow: 0 0 0 4px rgba(91,155,255,.15); }
.ob-rail span { font-size: .65625rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); opacity: 0; transform: translateX(6px); transition: .3s; white-space: nowrap; }
.ob-rail:hover span { opacity: 1; transform: none; }
.ob-rail a.active span { color: var(--text); }

/* Footer */
.ob-footer { border-top: 1px solid var(--line); font-size: .8125rem; color: var(--muted); }
.ob-footer h4 { font-size: .8125rem; font-weight: 500; letter-spacing: -.01em; color: var(--text); margin-bottom: .75rem; }
.ob-footer a { color: var(--muted); text-decoration: none; }
.ob-footer a:hover { color: var(--text); }
.ob-footer .navbar-brand img { height: 40px; }

/* CTA band */
.ob-cta { background-image: radial-gradient(600px 260px at 50% 0%, rgba(91,155,255,.12), transparent 70%), var(--card-grad); }

/* Reveal on scroll (only when JS is running) */
.js [data-ob-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .7s, transform .7s cubic-bezier(.2,.7,.2,1); }
.js [data-ob-reveal].is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js [data-ob-reveal] { opacity: 1; transform: none; transition: none; }
}