/* ============================================================
   HOME PAGE — index.html specific styles
   ============================================================ */

/* ---- HERO ---- */

.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-h);
}

.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -15%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(0,194,168,0.06) 0%, transparent 65%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 4rem;
  width: 100%;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(0,194,168,0.25);
  padding: 0.3rem 0.85rem;
  border-radius: 99px;
  margin-bottom: 1.5rem;
}

.hero__badge::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}

.hero__name {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  font-weight: 700;
  color: var(--text);
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 0.75rem;
}

.hero__name .accent { color: var(--accent); }

.hero__role {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: 500;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
  letter-spacing: -0.3px;
}

.hero__tagline {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

.hero__ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Metrics row */
.hero__metrics {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  margin-top: 3.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border);
}

.metric {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.metric__value {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -1px;
  line-height: 1;
}

.metric__value span {
  color: var(--accent);
}

.metric__label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* SVG Pipeline Animation */
.hero__visual {
  position: relative;
  width: 300px;
  flex-shrink: 0;
}

.pipeline-svg {
  width: 100%;
  opacity: 0.85;
}

/* ---- ABOUT ---- */

.about__grid {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 4rem;
  align-items: start;
}

.about__text {
  font-size: 1.05rem;
  color: var(--text-dim);
  line-height: 1.8;
}

.about__callouts {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.about__callout {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
}

.about__callout-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.3rem;
}

.about__callout-value {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}

/* ---- TIMELINE ---- */

.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(180deg, var(--accent) 0%, var(--border) 100%);
}

.timeline__node {
  position: relative;
  margin-bottom: 0;
}

.timeline__node + .timeline__node {
  margin-top: 0;
}

.timeline__dot {
  position: absolute;
  left: -2rem;
  top: 18px;
  width: 11px;
  height: 11px;
  background: var(--bg);
  border: 2px solid var(--border-hover);
  border-radius: 50%;
  transform: translateX(-5px);
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
  z-index: 1;
}

.timeline__node.open .timeline__dot,
.timeline__node:hover .timeline__dot {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
}

.timeline__header {
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 2px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: border-color var(--transition), background var(--transition);
  user-select: none;
}

.timeline__header:hover {
  border-color: var(--border-hover);
  background: var(--surface-2);
}

.timeline__node.open .timeline__header {
  border-color: var(--accent);
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  border-bottom-color: var(--border);
  background: var(--surface-2);
}

.timeline__meta {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.timeline__date {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.05em;
}

.timeline__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.timeline__subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.timeline__chevron {
  color: var(--text-muted);
  flex-shrink: 0;
  transition: transform var(--transition), color var(--transition);
}

.timeline__node.open .timeline__chevron {
  transform: rotate(180deg);
  color: var(--accent);
}

.timeline__body {
  display: none;
  background: var(--surface);
  border: 1px solid var(--accent);
  border-top: none;
  border-bottom-left-radius: var(--radius);
  border-bottom-right-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  animation: expand-in 200ms ease;
  margin-bottom: 12px;
}

.timeline__node.open .timeline__body { display: block; }

@keyframes expand-in {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.timeline__body-border {
  border-left: 2px solid var(--accent);
  padding-left: 1rem;
}

.timeline__body ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.timeline__body ul li {
  font-size: 0.875rem;
  color: var(--text-dim);
  position: relative;
  padding-left: 1rem;
}

.timeline__body ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.timeline__body-tags {
  margin-top: 1rem;
}

/* ---- PROJECTS ---- */

.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
}

.project-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.project-card__badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: -0.25rem;
}

.project-card__badge.personal {
  color: #a78bfa;
}

.project-card__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
}

.project-card__desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
  flex: 1;
}

.project-card__metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.project-card__metric {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
}

.project-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

.project-card__link {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: gap var(--transition);
}

.project-card__link:hover { gap: 0.6rem; }

/* Video embed inside card */
.project-card__video {
  width: 100%;
  height: 180px;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg);
  margin-top: 0.25rem;
}

.project-card__video iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ---- CONSULTING ---- */

.consulting__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-bottom: 3rem;
}

.consulting-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.consulting-box:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-dim);
}

.consulting-box__icon {
  width: 36px;
  height: 36px;
  background: var(--accent-dim);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  color: var(--accent);
}

.consulting-box__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.consulting-box__list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.consulting-box__list li {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.consulting-box__list li::before {
  content: '';
  display: inline-block;
  width: 5px;
  height: 5px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
  opacity: 0.7;
}

.consulting__cta {
  text-align: center;
  padding: 2.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.consulting__cta-text {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 1.25rem;
}

/* ---- RESPONSIVE ---- */

@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { display: none; }
  .about__grid { grid-template-columns: 1fr; }
  .consulting__grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .hero__metrics { gap: 1.25rem; }
  .projects__grid { grid-template-columns: 1fr; }
}