/* ============================================================
   Server Investigation Service — Dark TN Vols theme
   ============================================================ */

:root {
  --tn-orange:        #FF8200;
  --tn-orange-hover:  #FF9933;
  --tn-orange-soft:   rgba(255, 130, 0, 0.12);

  --bg:        #0B0B0D;
  --surface:   #16161A;
  --surface-2: #1F1F24;
  --border:    #2A2A30;

  --text:       #F2F2F2;
  --text-muted: #A8A8AE;
  --smokey:     #8E9095;

  --radius-sm: 4px;
  --radius:    8px;
  --radius-lg: 12px;

  --maxw:    720px;
  --maxw-lg: 1040px;

  --shadow-soft: 0 1px 0 rgba(255, 255, 255, 0.03) inset,
                 0 1px 2px rgba(0, 0, 0, 0.4);
}

/* ---------- Reset & base ---------- */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px; /* fixed-header offset for in-page anchors */
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji", sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--tn-orange);
  text-decoration: none;
  text-underline-offset: 3px;
  transition: color 120ms ease;
}
a:hover { color: var(--tn-orange-hover); text-decoration: underline; }

a:focus-visible,
button:focus-visible,
.btn:focus-visible,
.pay-card:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--tn-orange);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

h1, h2, h3 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text);
}
h1 { font-size: clamp(1.9rem, 2.2vw + 1.4rem, 2.75rem); margin: 0 0 1rem; }
h2 { font-size: clamp(1.4rem, 1vw + 1.2rem, 1.85rem); margin: 0 0 1rem; }
h3 { font-size: 1.05rem; margin: 0 0 0.4rem; }

p { margin: 0 0 1rem; }

.accent     { color: var(--tn-orange); }
.eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--tn-orange);
  margin: 0 0 1rem;
}

/* ---------- Layout ---------- */

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.section {
  padding: 3.5rem 0;
  border-top: 1px solid var(--border);
}
.section-alt {
  background: var(--surface);
}
.section h2 {
  position: relative;
  padding-bottom: 0.5rem;
  margin-bottom: 1.5rem;
}
.section h2::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 48px; height: 3px;
  background: var(--tn-orange);
  border-radius: 2px;
}

/* ---------- Skip link ---------- */

.skip-link {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}
.skip-link:focus {
  top: 0.5rem;
  left: 0.5rem;
  width: auto;
  height: auto;
  padding: 0.5rem 0.75rem;
  margin: 0;
  overflow: visible;
  clip: auto;
  clip-path: none;
  white-space: normal;
  background: var(--tn-orange);
  color: #0B0B0D;
  border-radius: var(--radius-sm);
  font-weight: 600;
  z-index: 100;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 11, 13, 0.85);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: var(--maxw-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
  flex-wrap: wrap;
}

.brand {
  color: var(--text);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
  line-height: 1.15;
}
.brand:hover { color: var(--text); text-decoration: none; }
.brand-mark {
  display: block;
  width: 200px;
  max-width: 100%;
  height: auto;
}
.brand-meta {
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
}
.site-nav a {
  display: inline-block;
  padding: 0.45rem 0.7rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
}
.site-nav a:hover { color: var(--text); text-decoration: none; background: var(--surface-2); }
.site-nav .nav-cta {
  color: var(--tn-orange);
  border: 1px solid var(--tn-orange);
}
.site-nav .nav-cta:hover {
  color: #0B0B0D;
  background: var(--tn-orange);
}

/* ---------- Hero ---------- */

.hero {
  padding: 3.5rem 0 3rem;
  background:
    radial-gradient(circle at 18% 0%, var(--tn-orange-soft) 0%, transparent 55%),
    var(--bg);
}
.hero-inner {
  display: grid;
  gap: 2.25rem;
  grid-template-columns: 1fr;
  align-items: center;
}
.hero-content > :first-child { margin-top: 0; }
.hero .lede {
  font-size: 1.08rem;
  color: var(--text-muted);
  max-width: 38em;
  margin-bottom: 1.75rem;
}
.hero-cta {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.response-note {
  font-size: 0.88rem;
  color: var(--smokey);
  margin: 0.25rem 0 0;
}

/* ---------- Portrait (shared) ---------- */

.portrait {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.portrait img {
  width: 100%;
  max-width: 320px;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  border-bottom: 3px solid var(--tn-orange);
  background: #000;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.55);
}
.portrait figcaption {
  margin-top: 0.85rem;
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}
.portrait-name {
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0.01em;
}
.portrait-role {
  color: var(--text-muted);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 0.2rem;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.1rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background 140ms ease, color 140ms ease, border-color 140ms ease, transform 140ms ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary {
  background: var(--tn-orange);
  color: #0B0B0D;
}
.btn-primary:hover { background: var(--tn-orange-hover); color: #0B0B0D; }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover { background: var(--surface); color: var(--text); border-color: var(--smokey); }

/* ---------- Services ---------- */

.services-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.services-grid li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--tn-orange);
  padding: 1rem 1.1rem;
  border-radius: var(--radius);
}
.services-grid h3 { color: var(--text); }
.services-grid p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin: 0;
}
.services-grid p + p { margin-top: 0.6rem; }
.service-ref-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
}
.service-ref {
  font-size: 0.82rem;
  color: var(--tn-orange);
  font-weight: 500;
}
.service-ref:hover { color: var(--tn-orange-hover); }
.service-ref-sep { color: var(--border); font-size: 0.82rem; }

/* ---------- About ---------- */

.about-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}
.about-grid p { color: var(--text-muted); }
.about-body > p:first-child { margin-top: 0; }

.credentials {
  list-style: none;
  margin: 0;
  padding: 1.25rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.credentials li {
  padding: 0.55rem 0;
  border-bottom: 1px dashed var(--border);
  color: var(--text-muted);
  font-size: 0.95rem;
}
.credentials li:last-child { border-bottom: 0; }
.credentials strong { color: var(--text); }

/* ---------- Reviews ---------- */

.reviews-summary {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}
.reviews-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}
.review-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.review-stars {
  color: var(--tn-orange);
  font-size: 0.95rem;
  letter-spacing: 0.15em;
  line-height: 1;
}
.review-text {
  color: var(--text);
  margin: 0;
  font-size: 0.97rem;
  line-height: 1.55;
}
.review-meta {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: baseline;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
}
.review-author { color: var(--text); font-weight: 600; }
.review-time::before { content: "·"; margin-right: 0.6rem; color: var(--smokey); }
.reviews-cta { margin-top: 1.25rem; }

/* ---------- Fees ---------- */

#fees p {
  color: var(--text-muted);
  max-width: 40em;
}
.payments-note {
  margin-top: 1.25rem;
  padding: 0.85rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--tn-orange);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.95rem;
}

/* ---------- Contact ---------- */

.contact-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}
.contact-info {
  margin: 0;
  display: grid;
  grid-template-columns: max-content 1fr;
  column-gap: 1.25rem;
  row-gap: 0.5rem;
}
.contact-info dt {
  color: var(--text-muted);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  align-self: center;
}
.contact-info dd {
  margin: 0;
  color: var(--text);
}
.response-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
}
.response-card-title {
  margin: 0 0 0.25rem;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--tn-orange);
  font-weight: 600;
}
.response-card-body {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ---------- Payments ---------- */

.pay-intro {
  color: var(--text-muted);
  max-width: 40em;
}
.pay-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
  margin: 1.25rem 0;
}
.pay-card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.2rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  transition: border-color 140ms ease, background 140ms ease, transform 140ms ease;
  box-shadow: var(--shadow-soft);
}
.pay-card:hover {
  text-decoration: none;
  border-color: var(--tn-orange);
  background: var(--surface-2);
  transform: translateY(-2px);
}
.pay-card-method {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.01em;
}
.pay-card-handle {
  color: var(--text-muted);
  font-size: 0.9rem;
}
.pay-card-cta {
  margin-top: 0.4rem;
  color: var(--tn-orange);
  font-weight: 600;
  font-size: 0.95rem;
}

.qr-details {
  margin-top: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.qr-details summary {
  cursor: pointer;
  color: var(--tn-orange);
  font-weight: 600;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.qr-details summary::-webkit-details-marker { display: none; }
.qr-details summary::before {
  content: "";
  display: inline-block;
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 7px solid currentColor;
  transition: transform 150ms ease;
}
.qr-details[open] summary::before { transform: rotate(90deg); }
@media (prefers-reduced-motion: reduce) {
  .qr-details summary::before { transition: none; }
}
.qr-wrap {
  margin-top: 1rem;
  text-align: center;
}
.qr-wrap img {
  margin: 0 auto;
  background: #fff;
  padding: 8px;
  border-radius: var(--radius-sm);
}
.qr-wrap p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 0.75rem 0 0;
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  color: var(--text-muted);
  font-size: 0.88rem;
  text-align: center;
}
.site-footer p { margin: 0.25rem 0; }
.footer-meta { color: var(--smokey); }

/* ---------- Responsive ---------- */

@media (min-width: 720px) {
  body { font-size: 18px; }
  .section { padding: 4.5rem 0; }
  .hero-inner {
    max-width: var(--maxw-lg);
    grid-template-columns: 1fr 340px;
    gap: 3rem;
  }
  .hero-portrait img { max-width: 340px; }
  .brand-mark { width: 280px; }
  .services-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
  }
  .about-grid {
    grid-template-columns: 1.4fr 1fr;
    gap: 2.5rem;
    align-items: start;
  }
  .contact-grid {
    grid-template-columns: 1.2fr 1fr;
    gap: 2rem;
    align-items: start;
  }
  .pay-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }
  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }
}

@media (min-width: 960px) {
  .hero { padding: 5rem 0 4rem; }
  .header-inner { max-width: var(--maxw-lg); }
}