/* ==========================================================
   TRIFORCE.Net / TSI Systemgroup
   Brand layer on top of Bootstrap 5.3.
   Layout, grid, navbar, accordion, cards and forms come from
   Bootstrap; this file only sets the theme and custom pieces.
   ========================================================== */

/* ---------- 1. Theme tokens ---------- */
:root {
  --brand: #9e1b12;
  --brand-dark: #7a130c;
  --brand-rgb: 158, 27, 18;
  --brand-soft: #f6e9e7;
  --ink: #1c1c1c;
  --surface-dark: #1b1b1b;
  --radius-lg: 1rem;
  --shadow-soft: 0 1px 2px rgba(0,0,0,.04), 0 10px 30px rgba(0,0,0,.07);
  --header-h: 72px;

  /* Bootstrap overrides */
  --bs-primary: var(--brand);
  --bs-primary-rgb: var(--brand-rgb);
  --bs-link-color: var(--brand);
  --bs-link-color-rgb: var(--brand-rgb);
  --bs-link-hover-color: var(--brand-dark);
  --bs-link-hover-color-rgb: 122, 19, 12;
  --bs-body-font-family: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --bs-body-font-weight: 400;
  --bs-body-line-height: 1.7;
  --bs-body-color: #3d3d3d;
  --bs-emphasis-color: var(--ink);
  --bs-heading-color: var(--ink);
  --bs-tertiary-bg: #f3f3f3;
  --bs-tertiary-bg-rgb: 243, 243, 243;
  --bs-border-radius-lg: var(--radius-lg);
  --bs-focus-ring-color: rgba(var(--brand-rgb), .25);
}

.btn-primary {
  --bs-btn-bg: var(--brand);
  --bs-btn-border-color: var(--brand);
  --bs-btn-hover-bg: var(--brand-dark);
  --bs-btn-hover-border-color: var(--brand-dark);
  --bs-btn-active-bg: var(--brand-dark);
  --bs-btn-active-border-color: var(--brand-dark);
  --bs-btn-disabled-bg: var(--brand);
  --bs-btn-disabled-border-color: var(--brand);
  --bs-btn-focus-shadow-rgb: var(--brand-rgb);
}
.btn-outline-secondary {
  --bs-btn-color: var(--ink);
  --bs-btn-border-color: #dcdcdc;
  --bs-btn-hover-color: var(--ink);
  --bs-btn-hover-bg: #f3f3f3;
  --bs-btn-hover-border-color: #dcdcdc;
  --bs-btn-active-color: var(--ink);
  --bs-btn-active-bg: #eaeaea;
  --bs-btn-active-border-color: #dcdcdc;
}
.btn { font-weight: 400; transition: background-color .2s, border-color .2s, transform .2s, box-shadow .2s; }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(var(--brand-rgb), .25); }
.text-bg-primary { background-color: var(--brand) !important; }

/* ---------- 2. Base ---------- */
html { scroll-padding-top: calc(var(--header-h) + 12px); }
body { -webkit-font-smoothing: antialiased; }
h1, h2, h3, .display-3 { font-weight: 300; line-height: 1.15; letter-spacing: -.015em; }
strong, b { font-weight: 600; }

.section { padding-block: 6rem; }
.section-dark { background: var(--surface-dark); }
.section-title {
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  text-align: center;
  margin-bottom: 2.5rem;
}
.letter-wide { letter-spacing: .12em; }
.eyebrow {
  font-size: .8rem; font-weight: 500; letter-spacing: .14em; text-transform: uppercase;
  color: var(--brand); margin-bottom: 1rem;
}
.shadow-soft { box-shadow: var(--shadow-soft); }

/* ---------- 3. Header ---------- */
.site-header {
  background: rgba(255,255,255,.9);
  backdrop-filter: saturate(160%) blur(10px);
  -webkit-backdrop-filter: saturate(160%) blur(10px);
  transition: box-shadow .2s;
}
.site-header.scrolled { box-shadow: 0 1px 0 #e6e6e6, 0 4px 18px rgba(0,0,0,.05); }
.site-header .navbar { min-height: var(--header-h); }
.logo { height: 34px; width: auto; display: block; }
.logo-word { font-family: "Plus Jakarta Sans", Arial, sans-serif; font-weight: 700; font-size: 22px; letter-spacing: 2.5px; fill: var(--ink); }
.logo-net { font-weight: 400; font-size: 12px; letter-spacing: 1px; fill: #6b6b6b; }

.navbar .nav-link { color: var(--ink); font-weight: 400; }
.navbar .nav-link:hover,
.navbar .nav-link:focus-visible,
.navbar .nav-link.show { color: var(--brand); }
.dropdown-menu { --bs-dropdown-link-active-bg: var(--brand); border-radius: .75rem; padding: .5rem; }
.dropdown-item { border-radius: .5rem; padding: .5rem .9rem; font-weight: 400; }
.dropdown-item:hover, .dropdown-item:focus { background: var(--brand-soft); color: var(--brand); }

@media (min-width: 992px) {
  /* Open the TRIFORCE.Net menu on hover as well as click on desktop */
  .navbar .dropdown:hover > .dropdown-menu { display: block; }
  .navbar .dropdown > .dropdown-menu { margin-top: 0; }
  .navbar .dropdown::after { /* hover bridge so the menu doesn't close in the gap */
    content: ""; position: absolute; left: 0; right: 0; top: 100%; height: .5rem;
  }
}
/* Burger icon that turns into an X (Bootstrap sets aria-expanded on the button) */
.navbar-toggler { width: 44px; height: 44px; padding: 10px; }
.navbar-toggler:focus { box-shadow: none; }
.navbar-toggler:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }
.toggler-bar { display: block; width: 24px; height: 2px; margin: 5px 0; border-radius: 2px; background: var(--ink); transition: transform .25s ease, opacity .2s ease; }
.navbar-toggler[aria-expanded="true"] .toggler-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar-toggler[aria-expanded="true"] .toggler-bar:nth-child(2) { opacity: 0; }
.navbar-toggler[aria-expanded="true"] .toggler-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 991.98px) {
  /* Mobile menu opens as an overlay under the header, so the page doesn't shift */
  .site-header .navbar-collapse {
    position: absolute; top: 100%; left: 0; right: 0;
    padding: 0 1.25rem 1.25rem; background: #fff;
    box-shadow: 0 16px 30px rgba(0,0,0,.08);
    max-height: calc(100vh - var(--header-h)); overflow-y: auto;
  }
  .site-header .navbar-collapse.collapsing { transition: none; } /* no height slide */
  .site-header .navbar-collapse.show { animation: menu-fade .18s ease-out; }
  .navbar-nav .nav-link { padding-block: .8rem; border-bottom: 1px solid #f0f0f0; }
  .navbar-nav .dropdown-menu { box-shadow: none !important; padding-left: 1rem; }
  .navbar-nav .btn { width: 100%; }
}

/* ---------- 4. Hero ---------- */
.hero { padding-block: 4.5rem 6rem; overflow: hidden; }
.hero h1 { letter-spacing: -.01em; font-size: clamp(2.4rem, 5.4vw, 4.4rem); }
.hero-img {
  display: block; width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover;
  border-radius: 1.5rem; box-shadow: 0 30px 60px rgba(94,12,7,.18);
}
@keyframes menu-fade { from { opacity: 0; } to { opacity: 1; } }

/* ---------- 5. Mission ---------- */
.mission { background: #3a3a3a url("../assets/pexels-photo-3077882.jpeg") center 40% / cover no-repeat;
  min-height: min(90vh, 860px); display: flex; align-items: center; padding-block: 6rem; }
.mission-card {
  background: rgba(255,255,255,.82);
  -webkit-backdrop-filter: blur(14px) saturate(140%); backdrop-filter: blur(14px) saturate(140%);
  border: 1px solid rgba(255,255,255,.6); border-radius: 1.75rem;
  padding: 3.5rem 3.75rem; box-shadow: 0 30px 70px rgba(60,25,0,.28);
}
.mission-item { display: flex; gap: 1.5rem; align-items: flex-start; }
.mission-card h2 { font-size: 2.4rem; margin-bottom: .6rem; word-spacing: .12em; }
.mission-card p { font-size: 1.15rem; line-height: 1.75; margin: 0; }
.mission-divider { margin: 2.25rem 0; border-color: rgba(0,0,0,.12); opacity: 1; }
@media (max-width: 991.98px) {
  .mission.section { background-position: 80% center; min-height: 0; padding-block: 6rem; }
  .mission-card { padding: 2rem 1.6rem; border-radius: var(--radius-lg); background: rgba(255,255,255,.95); }
  .mission-item { flex-direction: column; gap: 1rem; }
  .mission-card h2 { font-size: 2rem; }
  .mission-card p { font-size: 1.05rem; }
  .mission-divider { margin: 1.75rem 0; }
}

/* ---------- 6. Endless Possibilities (Bootstrap accordion, dark) ---------- */
.possibilities { background: linear-gradient(160deg, #050505 0%, #1d0605 55%, #6a150d 100%); }
.possibilities .accordion {
  --bs-accordion-bg: transparent;
  --bs-accordion-border-color: rgba(255,255,255,.14);
  --bs-accordion-btn-color: #fff;
  --bs-accordion-active-color: #fff;
  --bs-accordion-active-bg: transparent;
  --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='none' stroke='%23ffffff' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M2 5L8 11L14 5'/%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='none' stroke='%23ffffff' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M2 5L8 11L14 5'/%3E%3C/svg%3E");
  --bs-accordion-btn-padding-y: 1.4rem;
  --bs-accordion-body-padding-y: 0;
  --bs-accordion-body-padding-x: 1.25rem;
  border-top: 1px solid rgba(255,255,255,.14);
  border-bottom: 1px solid rgba(255,255,255,.14);
}
.possibilities .accordion-button { font-size: 1.15rem; font-weight: 400; }
/* Bootstrap's dark theme sets the arrow on ::after, so override it there */
.possibilities .accordion-button::after { --bs-accordion-btn-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23ffffff' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M2 5L8 11L14 5'/%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='none' stroke='%23ffffff' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M2 5L8 11L14 5'/%3E%3C/svg%3E"); }
.possibilities .accordion-button:not(.collapsed),
.possibilities .accordion-button:focus { box-shadow: none; } /* Bootstrap draws a line under the open title */
.possibilities .accordion-button:focus-visible { outline: 2px solid rgba(255,255,255,.5); outline-offset: -2px; }
.possibilities .accordion-body { color: #cfcfcf; padding-bottom: 1.4rem; max-width: 640px; }
.possibilities .accordion-body p { margin-bottom: .85rem; }
.possibilities .accordion-body ul { padding-left: 1.25rem; margin-bottom: .85rem; }
.possibilities .accordion-body li { margin-bottom: .3rem; }
.possibilities .accordion-body li::marker { color: #e0685c; }
.possibilities .accordion-body strong { color: #fff; font-weight: 600; }
.possibilities .accordion-body > :last-child { margin-bottom: 0; }
.possibilities .accordion-body .footnote { font-size: .85rem; color: #9a9a9a; }

/* ---------- 7. Lists ---------- */
.check-list { list-style: none; padding: 0; margin: 0 0 1.2rem; }
.check-list li { position: relative; padding-left: 1.9rem; margin-bottom: .5rem; }
.check-list li::before {
  content: ""; position: absolute; left: 0; top: .42em; width: 1.15rem; height: 1.15rem; border-radius: 50%;
  background: var(--brand-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12l4 4 8-8' fill='none' stroke='%239e1b12' stroke-width='3'/%3E%3C/svg%3E") center / .75rem no-repeat;
}
.dot-list { list-style: none; padding: 0; margin: 0; }
.dot-list li { position: relative; padding: .4rem 0 .4rem 1rem; font-size: .92rem; line-height: 1.5; border-bottom: 1px solid #f0f0f0; }
.dot-list li:last-child { border-bottom: 0; }
.dot-list li::before { content: ""; position: absolute; left: 0; top: .95rem; width: 6px; height: 6px; border-radius: 50%; background: var(--brand); }

/* ---------- 8. Cards ---------- */
.module-card {
  border: 0; border-top: 3px solid var(--brand); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft); --bs-card-spacer-x: 1.6rem; --bs-card-spacer-y: 1.75rem;
}
.module-card .card-title { font-size: 1.05rem; font-weight: 500; margin-bottom: .9rem; }

.tile-card { --bs-card-bg: #242424; border: 0; border-radius: var(--radius-lg); overflow: hidden; transition: transform .3s; }
.tile-card:hover { transform: translateY(-4px); }
.tile-card .card-img-top { height: auto; aspect-ratio: 4 / 3; object-fit: cover; filter: grayscale(1); transition: filter .4s; border-radius: 0; }
.tile-card:hover .card-img-top { filter: grayscale(.2); }
.tile-card .card-body { padding: 1.5rem 1.6rem 1.75rem; color: #cfcfcf; }
.tile-card .card-title { font-size: 1.3rem; font-weight: 600; letter-spacing: -.01em; color: #fff; }
.tile-card .card-text { font-size: .95rem; margin-bottom: .5rem; }

.quote-card { border: 0; border-radius: var(--radius-lg); box-shadow: var(--shadow-soft); --bs-card-spacer-x: 2.5rem; --bs-card-spacer-y: 2.5rem; }
.quote-card blockquote { font-style: italic; font-size: 1.02rem; }
.quote-card figcaption { color: var(--ink); }
.quote-card figcaption::before { content: "— "; color: var(--brand); }
.quote-logo, .quote-logo-img { height: 48px; margin-bottom: 1.5rem; align-self: flex-start; }
.quote-logo {
  display: inline-flex; align-items: center; padding: 0 1rem; border: 1px dashed #cfcfcf; border-radius: .5rem;
  font-size: .75rem; letter-spacing: .06em; text-transform: uppercase; color: #9a9a9a;
}
.quote-logo-img { width: auto; object-fit: contain; }
.quote-logo-badge { height: 64px; border-radius: .75rem; box-shadow: 0 4px 12px rgba(0,0,0,.12); } /* logos on a solid background */
@media (max-width: 575.98px) { .quote-card { --bs-card-spacer-x: 1.5rem; --bs-card-spacer-y: 1.75rem; } }

/* ---------- 9. Competitive Edge ---------- */
.edge-item {
  display: flex; gap: 1.1rem; padding: 1.6rem; border: 1px solid #e6e6e6; border-radius: var(--radius-lg);
  transition: border-color .2s, box-shadow .2s;
}
.edge-item:hover { border-color: #e7c9c5; box-shadow: var(--shadow-soft); }
.edge-icon {
  flex: 0 0 52px; width: 52px; height: 52px; border-radius: .75rem; background: var(--brand-soft);
  display: grid; place-items: center;
}
.edge-icon svg { width: 26px; height: 26px; fill: none; stroke: var(--brand); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.edge-item h3 { font-size: 1.15rem; font-weight: 500; margin: .1rem 0 .5rem; }
.edge-item p { font-size: .93rem; color: #6b6b6b; margin: 0; }
@media (max-width: 575.98px) {
  .edge-item { padding: 1.25rem; }
  .edge-icon { flex-basis: 44px; width: 44px; height: 44px; }
}

/* ---------- 10. How it Works ---------- */
.step { display: flex; gap: 1.25rem; color: #cfcfcf; }
.step p { margin: 0; }
.step-num { font-size: 1.9rem; font-weight: 200; line-height: 1.1; color: #e0685c; min-width: 2.75rem; }

/* ---------- 11. Footer ---------- */
.site-footer { background: #111; color: #aaa; padding-block: 4rem 1.75rem; font-size: .92rem; }
.site-footer a { color: #ddd; text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.site-footer hr { border-color: #2a2a2a; opacity: 1; }
.site-footer address { font-style: normal; }

/* ---------- 12. Contact page ---------- */
.page-hero { padding-block: 4.5rem 1.5rem; }
.page-hero h1 { font-size: clamp(2.2rem, 4.6vw, 3.4rem); }
.form-label { font-size: .85rem; font-weight: 500; color: var(--ink); }
.form-control, .form-select { padding: .75rem .9rem; border-radius: .6rem; font-weight: 400; }
.form-control:focus, .form-select:focus { border-color: var(--brand); box-shadow: 0 0 0 .2rem rgba(var(--brand-rgb), .12); }
/* Only flag errors; don't paint optional fields green */
.was-validated .form-control:valid:not([required]),
.was-validated .form-select:valid { border-color: var(--bs-border-color); background-image: none; padding-right: .9rem; }
.was-validated .form-select:valid { background-image: var(--bs-form-select-bg-img); padding-right: 2.25rem; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.contact-aside { background: var(--bs-tertiary-bg); border-radius: var(--radius-lg); padding: 2rem; }

/* ---------- 13. Reveal on scroll ---------- */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.js .reveal.in { opacity: 1; transform: none; }

@media (max-width: 767.98px) { .section { padding-block: 4.5rem; } }

/* Wider side margins on phones (Bootstrap default is .75rem) */
@media (max-width: 575.98px) { .container { --bs-gutter-x: 2.5rem; } }

@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .tile-card, .btn-primary { transition: none; }
}