/* ============================================================
   HOME PAGE STYLES
   ============================================================ */

/* ── Hero ── */
.hero {
  min-height: 100svh;
  padding: 120px var(--sp-8) var(--sp-24);
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: auto auto;
  gap: var(--sp-10);
  align-items: center;
  position: relative;
  overflow: hidden;
  max-width: 900px;
  margin: 0 auto;
}

.hero-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 0%, transparent 70%);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.5;
}
.hero-glow--red {
  width: 500px; height: 400px;
  top: -100px; left: -100px;
  background: var(--burgundy);
  animation: glowPulse 8s ease-in-out infinite;
}
.hero-glow--gold {
  width: 300px; height: 300px;
  top: 40%; right: 5%;
  background: var(--gold);
  opacity: 0.2;
  animation: glowPulse 10s ease-in-out infinite reverse;
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.35; transform: scale(1); }
  50%       { opacity: 0.55; transform: scale(1.1); }
}

.hero-content {
  grid-column: 1;
  animation: fadeUp 0.9s var(--ease) both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--sp-4);
}

.dot {
  display: inline-block;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green-light);
  box-shadow: 0 0 8px var(--green-light);
  animation: blink 2.5s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.3; }
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 8vw, 6.5rem);
  font-weight: 200;
  line-height: 0.95;
  color: var(--text-primary);
  letter-spacing: -0.04em;
  margin-bottom: var(--sp-4);
  text-transform: lowercase;
}

.hero-name em {
  font-style: normal;
  font-weight: 200;
  color: var(--gold-light);
  display: block;
}

.hero-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--burgundy-light);
  margin-bottom: var(--sp-3);
}

.hero-sub {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--sp-8);
}

.hero-cta {
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
}

/* ── Hero Video ── */
.hero-video-slot {
  grid-column: 2;
  animation: fadeUp 0.9s 0.2s var(--ease) both;
}

.video-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  max-width: 480px;
  margin: 0 auto;
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--border-mid);
  background: var(--surface-2);
  box-shadow:
    0 0 0 1px rgba(201,168,76,0.15),
    0 32px 80px rgba(0,0,0,0.6),
    inset 0 1px 0 rgba(255,255,255,0.06);
  position: relative;
}

.video-frame video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
  color: var(--text-muted);
  background: linear-gradient(160deg, var(--surface-2) 0%, var(--surface-3) 100%);
}

.video-icon {
  font-size: 2.5rem;
  color: var(--burgundy-light);
  opacity: 0.6;
}

.video-hint {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-top: -var(--sp-2);
}

/* ── Tools ── */
.tools {
  padding: var(--sp-12) var(--sp-8);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.tools-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: var(--sp-6);
}

.tools-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  justify-content: center;
  max-width: 900px;
  margin: 0 auto;
}

.tool-chip {
  position: relative;
  padding: var(--sp-2) var(--sp-4);
  border: 1px solid var(--border-mid);
  border-radius: var(--r-sm);
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--text-secondary);
  background: var(--surface-2);
  transition: all var(--t-mid) var(--ease);
  cursor: default;
}

.tool-chip:hover {
  border-color: var(--gold);
  color: var(--gold-light);
  background: rgba(201,168,76,0.06);
  transform: translateY(-2px);
  z-index: 10;
}

/* ── Chip tooltips ── */
.chip-tooltip {
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) scale(0) translateY(6px);
  transform-origin: bottom center;
  background: #f5f0e8;
  color: #7d1d3f;
  font-size: 0.62rem;
  line-height: 1;
  padding: 6px 10px;
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  white-space: nowrap;
  pointer-events: none;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 3px;
  opacity: 0;
}

.chip-tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: #f5f0e8;
}

.chip-tooltip-line {
  display: block;
  white-space: nowrap;
}

.chip-tooltip-more {
  color: #999;
  font-style: italic;
}

.tool-chip:hover .chip-tooltip {
  animation: chipTooltipPop 280ms ease forwards,
             chipTooltipFloat 2.4s ease-in-out 280ms infinite;
}

@keyframes chipTooltipPop {
  0%   { opacity: 0; transform: translateX(-50%) scale(0) translateY(6px); }
  70%  { opacity: 1; transform: translateX(-50%) scale(1.1) translateY(-2px); }
  100% { opacity: 1; transform: translateX(-50%) scale(1) translateY(0); }
}

@keyframes chipTooltipFloat {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(-4px); }
}

@media (max-width: 767px) {
  .chip-tooltip { display: none; }
}

/* ── Credentials Marquee (auto-scroll, pause on hover) ── */
.certs {
  padding: var(--sp-16) 0;
  overflow: hidden;
  border-top: 1px solid var(--border);
}

.certs .section-header {
  padding: 0 var(--sp-8);
  margin-bottom: var(--sp-8);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.marquee-wrapper {
  overflow: hidden;
  /* Fade edges */
  mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
}

.marquee-track {
  display: flex;
  gap: var(--sp-4);
  width: max-content;
  animation: marqueeScroll 32s linear infinite;
}

.marquee-track:hover {
  animation-play-state: paused;
}

@keyframes marqueeScroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.cert-card {
  flex: 0 0 200px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform var(--t-mid) var(--ease), border-color var(--t-mid);
  cursor: default;
}

.cert-card:hover {
  transform: translateY(-4px);
  border-color: var(--gold);
}

.cert-img-slot {
  width: 100%;
  height: 130px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--surface-3), var(--navy));
}

.cert-img-slot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cert-name {
  padding: var(--sp-3) var(--sp-4) var(--sp-1);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.3;
}

.cert-issuer {
  padding: 0 var(--sp-4) var(--sp-4);
  font-size: 0.68rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

/* ── Navigation Cards ── */
.nav-guide {
  padding: var(--sp-16) var(--sp-8);
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.nav-guide .section-header,
.nav-guide .nav-cards {
  max-width: 1200px;
  margin: 0 auto;
}

.nav-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-4);
  margin-top: var(--sp-8) !important;
}

.nav-card {
  position: relative;
  padding: var(--sp-8);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  transition: all var(--t-mid) var(--ease);
  overflow: hidden;
}

.nav-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--burgundy), var(--gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-mid) var(--ease);
}

.nav-card:hover {
  border-color: var(--border-mid);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.3);
}

.nav-card:hover::before { transform: scaleX(1); }

.nav-card-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

.nav-card-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.nav-card-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.65;
  flex: 1;
}

.nav-card-arrow {
  font-size: 1.2rem;
  color: var(--gold);
  transition: transform var(--t-fast);
}
.nav-card:hover .nav-card-arrow { transform: translateX(4px); }

/* ── Contact Strip ── */
.contact-strip {
  padding: var(--sp-16) var(--sp-8);
  text-align: center;
  max-width: 1200px;
  margin: 0 auto;
}

.contact-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--sp-6);
}

.contact-links {
  display: flex;
  justify-content: center;
  gap: var(--sp-8);
  flex-wrap: wrap;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: all var(--t-fast);
}

.contact-link:hover {
  color: var(--gold-light);
  border-color: var(--gold-light);
}

.contact-icon {
  font-size: 0.9rem;
  font-weight: 600;
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: 100px;
  }
  .hero-content { grid-column: 1; }
  .hero-video-slot { grid-column: 1; }
  .hero-eyebrow { justify-content: center; }
  .hero-cta { justify-content: center; }
  .video-frame { max-height: 360px; }
  .nav-cards { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .hero { padding: 100px var(--sp-4) var(--sp-16); gap: var(--sp-8); }
  .tools, .certs, .nav-guide, .contact-strip { padding-left: var(--sp-4); padding-right: var(--sp-4); }
  .contact-links { flex-direction: column; align-items: center; gap: var(--sp-4); }
}

/* ── Video monochrome overlay ── */
.video-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(10, 9, 8, 0.35);
  mix-blend-mode: color;
  pointer-events: none;
  z-index: 1;
  border-radius: inherit;
}


/* ── Nav card background photo ── */
/* Background images are applied via JS (main.js) to avoid CSS custom
   property resolution issues with background-image across browsers. */