/* ==========================================================================
   GSD — Global System Design Engineering Group
   Cybersecurity-themed site styles
   ========================================================================== */

:root {
  --bg: #060a14;
  --bg-soft: #0a1120;
  --panel: #0d1729;
  --panel-light: #11203a;
  --border: rgba(91, 141, 196, 0.18);
  --border-strong: rgba(91, 141, 196, 0.4);
  --accent: #5b8dc4;
  --accent-2: #c8c0ad;
  --accent-glow: rgba(91, 141, 196, 0.35);
  --text: #ece8e0;
  --text-dim: #8fa3bf;
  --text-faint: #5c6f8a;
  --danger: #ff5c7a;
  --radius: 12px;
  --radius-sm: 8px;
  --font-display: 'Libre Franklin', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'Montserrat', 'Segoe UI', sans-serif;
  --header-h: 92px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
  background-image:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(200, 192, 173, 0.16), transparent 60%),
    linear-gradient(rgba(91, 141, 196, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(91, 141, 196, 0.05) 1px, transparent 1px);
  background-size: auto, 42px 42px, 42px 42px;
  background-position: 0 0, 0 0, 0 0;
}

/* ============ background matrix canvas ============ */
#matrix-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  opacity: 0.16;
  pointer-events: none;
}

/* ============ icon sprite (hidden, referenced via <use>) ============ */
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

.icon {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

/* ============ layout shell ============ */
.app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main { flex: 1; }

/* ============ header / nav ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 32px;
  background: rgba(6, 10, 20, 0.78);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.logo-bar {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-logo {
  height: 56px;
  width: auto;
  flex-shrink: 0;
  filter: drop-shadow(0 0 8px var(--accent-glow));
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-tagline {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* nav toggle (mobile) */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 0 auto;
  background: var(--accent);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.tabs {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.tab-btn {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  display: inline-block;
  color: var(--text-dim);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--text);
  border-color: var(--border);
  background: rgba(91, 141, 196, 0.05);
}

.tab-btn.active {
  color: var(--accent);
  border-color: var(--border-strong);
  background: rgba(91, 141, 196, 0.08);
  box-shadow: 0 0 16px rgba(91, 141, 196, 0.18) inset;
  text-shadow: 0 0 10px var(--accent-glow);
}

/* ============ panels ============ */
.panel { display: none; }
.panel.active {
  display: block;
  animation: fade-in 0.45s ease;
}

.panel-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 15px 32px 96px;
}

.section-header {
  max-width: 760px;
  margin-bottom: 38px;
}

.section-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.section-header h1 {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5.5vw, 4rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  background: linear-gradient(120deg, var(--text) 30%, var(--accent) 70%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 14px;
}

.section-lead {
  color: var(--text-dim);
  font-size: 1.05rem;
  max-width: 680px;
}

.section-lead em {
  color: var(--text-faint);
  font-style: italic;
}

/* ============ grids & cards ============ */
.grid {
  display: grid;
  gap: 22px;
}

.services-grid,
.values-grid {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.stacked-grid {
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 12px;
}

#why-gsd .section-header {
  margin-bottom: 14px;
}

#why-gsd .section-lead {
  font-size: 1.1rem;
}

#why-gsd .card h3 {
  font-size: 1.1rem;
}

#why-gsd .card p {
  font-size: 1rem;
}

#why-gsd .resume-block-header h2 {
  font-size: 1.2rem;
}

#what-we-do .section-header {
  margin-bottom: 14px;
}

#what-we-do .services-grid {
  gap: 12px;
}

#what-we-do .callout {
  margin-top: 16px;
}

#what-we-do .services-grid .card {
  padding: 18px 20px;
}

#what-we-do .services-grid .card h3 {
  margin-bottom: 6px;
}

@media (max-width: 860px) {
  #what-we-do .services-grid {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 10px;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x proximity;
  }

  #what-we-do .services-grid .card {
    flex: 0 0 260px;
    width: 260px;
    scroll-snap-align: start;
  }
}

#contact .section-header {
  margin-bottom: 14px;
}

#contact .resume-block {
  margin-bottom: 12px;
}

#contact .contact-grid {
  gap: 12px;
}

/* ============ home ============ */
#home .panel-inner {
  max-width: 1500px;
}

.home-hero {
  display: flex;
  flex-direction: row-reverse;
  align-items: stretch;
  justify-content: center;
  gap: 48px;
  text-align: left;
  padding-top: 24px;
}

.home-left {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: space-between;
  flex-shrink: 0;
  width: 720px;
  max-width: 100%;
}

.home-logo {
  width: 500px;
  height: 450px;
  flex-shrink: 0;
  margin-bottom: 0;
  filter: drop-shadow(0 0 28px var(--accent-glow));
}

.home-mission {
  width: 100%;
  text-align: left;
  padding: 20px 22px;
  margin-top: 0;
}

.card.home-mission h3 {
  font-size: 2.2rem;
  margin-bottom: 12px;
}

.card.home-mission p {
  font-size: 1.25rem;
}

.home-hero .contact-grid {
  width: 100%;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 14px;
}

.home-hero .contact-card {
  padding: 12px 14px;
}

.card {
  background: linear-gradient(160deg, var(--panel) 0%, var(--bg-soft) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: 0 12px 32px -16px rgba(91, 141, 196, 0.35);
}

.card-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(91, 141, 196, 0.08);
  border: 1px solid var(--border-strong);
  color: var(--accent);
  margin-bottom: 18px;
}

.card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  margin-bottom: 10px;
  color: var(--text);
}

.card p { color: var(--text-dim); font-size: 0.95rem; }

.card p strong { color: var(--text); }

.card p + .card-list { margin-top: 4px; }

.card-list {
  list-style: none;
  color: var(--text-dim);
  font-size: 0.95rem;
  margin: 8px 0 12px;
}

.card-list li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 8px;
}

.card-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}

.card-list strong { color: var(--text); }

.card-list + p { margin-top: 4px; }

.callout {
  margin-top: 36px;
  padding: 20px 24px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  background: rgba(200, 192, 173, 0.05);
  color: var(--text-dim);
  font-size: 0.95rem;
}

.callout strong { color: var(--accent-2); }

/* ============ resume ============ */
.resume-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 28px;
  align-items: start;
}

.profile-summary-row {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  margin-bottom: 0;
}

.exp-cred-row {
  display: flex;
  gap: 28px;
  align-items: stretch;
}

.profile-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
  width: 250px;
  text-align: center;
}

.profile-name {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--text);
  margin-top: 12px;
  margin-bottom: 2px;
  width: 250px;
  white-space: nowrap;
}

.profile-title {
  font-size: 1.3rem;
  color: var(--text-dim);
  margin-bottom: 12px;
  width: 250px;
  white-space: nowrap;
}

.profile-photo {
  width: 250px;
  height: 250px;
  object-fit: cover;
  object-position: center top;
  border-radius: 50%;
  border: 2px solid var(--accent);
  display: block;
}

.resume-block {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 28px;
  margin-bottom: 22px;
}

.resume-block.process {
  margin-top: 0;
}

.resume-block-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  color: var(--accent);
}

.resume-block-header h2 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.02em;
}

.resume-block p { color: var(--text-dim); }

.timeline {
  position: relative;
  padding-left: 28px;
  border-left: 2px solid var(--border);
}

.timeline-item { position: relative; padding-bottom: 26px; }
.timeline-item:last-child { padding-bottom: 0; }

.timeline-marker {
  position: absolute;
  left: -34px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
}

.timeline-content h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.timeline-date {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-2);
  margin-bottom: 8px;
}

.timeline-content ul {
  color: var(--text-dim);
  padding-left: 20px;
  font-size: 0.94rem;
}

.timeline-content li { margin-bottom: 4px; }

.plain-list { list-style: none; color: var(--text-dim); }
.plain-list li { margin-bottom: 6px; }
.plain-list strong { color: var(--text); }

.badge-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.badge {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: rgba(91, 141, 196, 0.06);
  color: var(--accent);
}

.badge-alt {
  border-color: rgba(200, 192, 173, 0.35);
  background: rgba(200, 192, 173, 0.07);
  color: var(--accent-2);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  padding: 14px 26px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn-primary {
  background: linear-gradient(120deg, var(--accent) 0%, var(--accent-2) 100%);
  color: #04101a;
  box-shadow: 0 0 24px rgba(91, 141, 196, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(91, 141, 196, 0.35);
}

.resume-download { width: 100%; }

/* ============ successes ============ */
.stats-grid {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  margin-bottom: 36px;
}

.stat-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--accent);
  text-shadow: 0 0 18px var(--accent-glow);
  margin-bottom: 8px;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.case-grid {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  margin-bottom: 28px;
}

.case-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
}

.case-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-2);
  border: 1px solid rgba(200, 192, 173, 0.35);
  border-radius: 999px;
  padding: 4px 10px;
  margin-bottom: 14px;
}

.case-card h3 {
  font-size: 1.05rem;
  margin-bottom: 12px;
  color: var(--text);
}

.case-card p {
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.case-card strong { color: var(--text); }

.testimonial {
  font-size: 1.05rem;
  font-style: italic;
  color: var(--text);
  border-left: 3px solid var(--accent);
  padding-left: 18px;
}

.testimonial cite {
  display: block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-style: normal;
  color: var(--text-dim);
}

/* ============ threat intelligence ============ */
.pillar-block {
  padding: 14px 16px;
}

.pillar-block .resume-block-header {
  margin-bottom: 10px;
}

.pillar-strip {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}

#threat-intel .resume-block {
  margin-bottom: 10px;
}

#threat-intel .section-header {
  margin-bottom: 10px;
}

#threat-intel .section-header h1 {
  line-height: 1.1;
  margin-bottom: 10px;
}

.pillar-card {
  padding: 12px;
}

.pillar-card h3 {
  font-size: 0.92rem;
  margin-bottom: 6px;
}

.pillar-card p {
  font-size: 0.8rem;
}

@media (max-width: 980px) {
  .pillar-strip {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 860px) {
  .pillar-strip {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 10px;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x proximity;
  }

  .pillar-card {
    flex: 0 0 150px;
    width: 150px;
    scroll-snap-align: start;
  }
}

.month-cards {
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.month-cards .card {
  padding: 10px;
}

.month-cards .card h3 {
  font-size: 0.92rem;
  margin-bottom: 6px;
}

.month-cards .card p {
  font-size: 0.8rem;
}

@media (max-width: 980px) {
  .month-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 860px) {
  .month-cards {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 10px;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x proximity;
  }

  .month-cards .card {
    flex: 0 0 240px;
    width: 240px;
    scroll-snap-align: start;
  }
}

/* ============ why gsd ============ */
.process-grid {
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.process-card {
  padding: 12px;
}

.step-num {
  display: block;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--accent);
  margin-bottom: 6px;
}

@media (max-width: 980px) {
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile: horizontal scroll-snap for every card grid on the Why GSD page */
@media (max-width: 860px) {
  #why-gsd .values-grid,
  #why-gsd .process-grid {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 10px;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x proximity;
  }

  #why-gsd .values-grid .card,
  #why-gsd .process-grid .card {
    flex: 0 0 240px;
    width: 240px;
    scroll-snap-align: start;
  }
}

/* ============ hover accordions ============ */
.hover-accordion .resume-block-header {
  cursor: default;
}

.accordion-chevron {
  flex-shrink: 0;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(45deg);
  transition: transform 0.25s ease;
  margin-left: auto;
}

.hover-accordion:hover .accordion-chevron,
.hover-accordion:focus-within .accordion-chevron {
  transform: rotate(-135deg);
}

.hover-accordion .accordion-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s ease 0.12s;
}

.hover-accordion:hover .accordion-panel,
.hover-accordion:focus-within .accordion-panel {
  grid-template-rows: 1fr;
  transition: grid-template-rows 0.35s ease;
}

.hover-accordion .accordion-panel-inner {
  overflow: hidden;
  padding: 0 16px;
  margin: 0 -16px;
}

.hover-accordion.default-open .accordion-panel {
  grid-template-rows: 1fr;
  transition: grid-template-rows 0.35s ease 0.12s;
}

.hover-accordion.default-open .accordion-chevron {
  transform: rotate(-135deg);
}

/* Desktop only: close the default-open block whenever a sibling accordion is hovered/focused */
@media (min-width: 861px) {
  #why-gsd:has(.hover-accordion:not(.default-open):hover) .default-open .accordion-panel,
  #why-gsd:has(.hover-accordion:not(.default-open):focus-within) .default-open .accordion-panel,
  #threat-intel:has(.hover-accordion:not(.default-open):hover) .default-open .accordion-panel,
  #threat-intel:has(.hover-accordion:not(.default-open):focus-within) .default-open .accordion-panel {
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.35s ease;
  }

  #why-gsd:has(.hover-accordion:not(.default-open):hover) .default-open .accordion-chevron,
  #why-gsd:has(.hover-accordion:not(.default-open):focus-within) .default-open .accordion-chevron,
  #threat-intel:has(.hover-accordion:not(.default-open):hover) .default-open .accordion-chevron,
  #threat-intel:has(.hover-accordion:not(.default-open):focus-within) .default-open .accordion-chevron {
    transform: rotate(45deg);
  }
}

/* ============ pain point form ============ */
.pain-form {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.req { color: var(--danger); }

.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
  width: 100%;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-faint); }

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--border-strong);
  box-shadow: 0 0 0 3px rgba(91, 141, 196, 0.12);
}

.form-group textarea { resize: vertical; min-height: 110px; }

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 10px;
}

.radio-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pill {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-dim);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 16px;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.pill:has(input:checked) {
  border-color: var(--border-strong);
  color: var(--accent);
  background: rgba(91, 141, 196, 0.07);
}

.pill input { accent-color: var(--accent); width: 16px; height: 16px; }

.form-note {
  margin-top: 18px;
  font-size: 0.82rem;
  color: var(--text-faint);
  font-family: var(--font-mono);
}

.form-success {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  padding: 14px 18px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: rgba(91, 141, 196, 0.08);
  color: var(--accent);
  font-size: 0.92rem;
}

/* ============ contact ============ */
.contact-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-bottom: 36px;
}

.contact-card {
  display: block;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 21px;
  color: inherit;
  text-decoration: none;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

a.contact-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: 0 12px 32px -16px rgba(91, 141, 196, 0.35);
}

.contact-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  margin-bottom: 6px;
  color: var(--text);
}

.contact-card p {
  font-size: 0.9rem;
  color: var(--text-dim);
  word-break: break-word;
}

.cta-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: linear-gradient(120deg, rgba(91, 141, 196, 0.1), rgba(200, 192, 173, 0.06));
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 30px 32px;
  margin-bottom: 28px;
}

.cta-banner h2 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin-bottom: 6px;
  color: var(--text);
}

.cta-banner p { color: var(--text-dim); }

/* ============ footer ============ */
.site-footer {
  text-align: center;
  padding: 28px 32px;
  border-top: 1px solid var(--border);
  color: var(--text-faint);
  font-size: 0.82rem;
  font-family: var(--font-mono);
}

.footer-note { margin-top: 6px; color: var(--text-faint); opacity: 0.7; }
.footer-version { margin-top: 4px; color: var(--text-faint); opacity: 0.5; font-size: 0.75rem; }

/* ============ animations ============ */
@keyframes pulse-glow {
  0%, 100% { filter: drop-shadow(0 0 6px var(--accent-glow)); }
  50% { filter: drop-shadow(0 0 16px var(--accent-glow)); }
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============ scrollbar ============ */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: var(--panel-light);
  border-radius: 6px;
  border: 1px solid var(--border);
}

/* ============ mobile horizontal-scroll indicators ============ */
/* Native mobile scrollbars auto-hide after inactivity regardless of color,
   so scroll position is shown with a custom-drawn bar (see initScrollIndicators
   in script.js) instead of relying on the browser's own scrollbar. */
.pillar-strip,
.month-cards,
#why-gsd .values-grid,
#why-gsd .process-grid,
#what-we-do .services-grid {
  scrollbar-width: none;
}

.pillar-strip::-webkit-scrollbar,
.month-cards::-webkit-scrollbar,
#why-gsd .values-grid::-webkit-scrollbar,
#why-gsd .process-grid::-webkit-scrollbar,
#what-we-do .services-grid::-webkit-scrollbar {
  display: none;
}

.scroll-indicator-track {
  display: none;
  height: 4px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.15);
  margin-top: 8px;
  position: relative;
  overflow: hidden;
}

.scroll-indicator-track.visible {
  display: block;
}

.scroll-indicator-thumb {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  min-width: 24px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.35);
  transition: background 0.2s ease;
}

.scroll-indicator-thumb.active {
  background: #fff;
}

/* ============ responsive ============ */
@media (max-width: 980px) {
  .resume-grid { grid-template-columns: 1fr; }
  .profile-summary-row { flex-direction: column; align-items: center; }
  .profile-card { width: 100%; }
  .exp-cred-row { flex-direction: column; }
}

@media (max-width: 860px) {
  .home-hero {
    flex-direction: column;
    text-align: center;
  }

  .home-left {
    align-items: center;
    justify-content: flex-start;
    max-width: 100%;
  }

  .home-logo {
    width: 100%;
    height: auto;
    max-width: none;
    margin-bottom: 20px;
  }

  .home-mission {
    text-align: center;
  }

  .home-hero .contact-grid {
    grid-template-columns: 1fr;
  }

  .site-header { padding: 14px 20px; }

  .nav-toggle { display: flex; }

  .tabs {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 4px;
    order: 3;
    padding-top: 12px;
    border-top: 1px solid var(--border);
    margin-top: 12px;
  }

  .tabs.open { display: flex; }

  .tab-btn { width: 100%; text-align: left; }

  .panel-inner { padding: 40px 20px 72px; }

  .form-row { grid-template-columns: 1fr; }

  .cta-banner { flex-direction: column; align-items: flex-start; }

  /* Mobile has no hover — keep accordions expanded since visitors scroll anyway */
  .hover-accordion .accordion-panel { grid-template-rows: 1fr; }
  .hover-accordion .accordion-chevron { display: none; }
}

@media (max-width: 520px) {
  .brand-tagline { display: none; }
  .brand-logo { height: 44px; }
  .section-header h1 { font-size: 2.4rem; }
}