/* Component-level styling. Small responsive tweaks are co-located directly
   below each component's base rules rather than centralized — the site is
   small enough that a separate breakpoints file isn't worth the indirection. */

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--accent);
  color: #0b1210;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-weight: var(--fw-semibold);
}

.skip-link:focus-visible {
  left: var(--space-2);
  top: var(--space-2);
}

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

.about-copy {
  max-width: 720px;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  color: var(--text-secondary);
  font-size: var(--fs-lg);
  line-height: var(--lh-normal);
}

/* ---------- Logo ---------- */

.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-weight: var(--fw-bold);
  font-size: var(--fs-lg);
  letter-spacing: -0.01em;
}

.logo-mark {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

/* ---------- Nav links ---------- */

.nav-link {
  position: relative;
  color: var(--text-secondary);
  font-weight: var(--fw-medium);
  transition: color var(--duration-fast) var(--ease-standard);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--text-primary);
}

.nav-link.is-current {
  color: var(--accent);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-sm);
  line-height: 1;
  white-space: nowrap;
  transition: background var(--duration-fast) var(--ease-standard),
    color var(--duration-fast) var(--ease-standard),
    border-color var(--duration-fast) var(--ease-standard),
    transform var(--duration-fast) var(--ease-standard);
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--accent);
  color: #0b1210;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: #4de0cc;
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
}

/* ---------- Cards ---------- */

.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  transition: border-color var(--duration-base) var(--ease-standard),
    transform var(--duration-base) var(--ease-standard);
}

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

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(var(--accent-rgb), 0.12);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-3);
}

.card-title {
  font-size: var(--fs-xl);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-1);
}

.card-text {
  color: var(--text-secondary);
  line-height: var(--lh-normal);
}

/* ---------- Tech badges / pills ---------- */

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.badge-row--spaced {
  margin-top: var(--space-3);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
}

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

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 92vh;
  padding-top: var(--header-height);
  overflow: hidden;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.hero-eyebrow {
  color: var(--accent);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: var(--fs-xs);
  margin-bottom: var(--space-3);
}

.hero-title {
  font-size: var(--fs-hero);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  letter-spacing: -0.02em;
}

.hero-title-accent {
  color: var(--accent);
}

.hero-sub {
  margin-top: var(--space-3);
  font-size: var(--fs-lg);
  color: var(--text-secondary);
  line-height: var(--lh-normal);
  max-width: 560px;
}

.hero-actions {
  margin-top: var(--space-5);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ---------- Stats ---------- */

.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-number {
  font-size: var(--fs-3xl);
  font-weight: var(--fw-bold);
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.stat-label {
  color: var(--text-secondary);
  font-size: var(--fs-sm);
}

/* ---------- Placeholder panels (portfolio / projects) ---------- */

.placeholder-panel {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-md);
  border: 1px dashed var(--border);
  background:
    repeating-linear-gradient(
      135deg,
      rgba(var(--accent-rgb), 0.05) 0px,
      rgba(var(--accent-rgb), 0.05) 2px,
      transparent 2px,
      transparent 14px
    ),
    var(--bg-secondary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  color: var(--text-secondary);
  margin-bottom: var(--space-3);
}

.placeholder-panel svg {
  width: 32px;
  height: 32px;
  color: var(--accent-dim);
}

.placeholder-panel span {
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.placeholder-flag {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  font-size: 10px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--bg-primary);
  background: var(--accent);
  padding: 3px 8px;
  border-radius: var(--radius-full);
}

.project-card .card-text {
  margin-bottom: 0;
}

/* ---------- Team ---------- */

.team-card {
  text-align: center;
}

.avatar-placeholder {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  margin: 0 auto var(--space-3);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, rgba(var(--accent-rgb), 0.25), var(--bg-elevated));
  border: 1px solid var(--border);
  color: var(--accent);
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
}

.team-name {
  font-weight: var(--fw-semibold);
  font-size: var(--fs-lg);
}

.team-role {
  color: var(--text-secondary);
  font-size: var(--fs-sm);
  margin-top: 2px;
}

/* ---------- ZERP spotlight ---------- */

.spotlight {
  display: grid;
  gap: var(--space-4);
  align-items: center;
}

@media (min-width: 1024px) {
  .spotlight {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

.spotlight-panel {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}

.spotlight-feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.spotlight-feature {
  display: flex;
  gap: var(--space-2);
  align-items: flex-start;
}

.spotlight-feature-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: rgba(var(--accent-rgb), 0.12);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.spotlight-feature-title {
  font-weight: var(--fw-semibold);
}

.spotlight-feature-text {
  color: var(--text-secondary);
  font-size: var(--fs-sm);
}

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

.contact-layout {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 1024px) {
  .contact-layout {
    grid-template-columns: 0.9fr 1.1fr;
    gap: var(--space-8);
  }
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.contact-info-item {
  display: flex;
  gap: var(--space-2);
  align-items: center;
}

.contact-info-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.social-row {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--duration-fast) var(--ease-standard),
    border-color var(--duration-fast) var(--ease-standard);
}

.social-link:hover,
.social-link:focus-visible {
  color: var(--accent);
  border-color: var(--accent-dim);
}

.form {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-field label {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--text-secondary);
}

.form-field input,
.form-field textarea {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  transition: border-color var(--duration-fast) var(--ease-standard);
}

.form-field input:focus-visible,
.form-field textarea:focus-visible {
  outline: none;
  border-color: var(--accent);
}

.form-field textarea {
  resize: vertical;
  min-height: 120px;
}

.form-status {
  font-size: var(--fs-sm);
  color: var(--accent);
  min-height: 1.2em;
}

.form-status[hidden] {
  display: none;
}

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

.footer-copy {
  color: var(--text-secondary);
  font-size: var(--fs-sm);
}

.footer-nav-list a {
  color: var(--text-secondary);
  font-size: var(--fs-sm);
  transition: color var(--duration-fast) var(--ease-standard);
}

.footer-nav-list a:hover,
.footer-nav-list a:focus-visible {
  color: var(--accent);
}

/* ---------- Scroll reveal ---------- */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--duration-slow) var(--ease-standard),
    transform var(--duration-slow) var(--ease-standard);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.grid-pillars .reveal:nth-child(2),
.grid-projects .reveal:nth-child(2),
.grid-team .reveal:nth-child(2) {
  transition-delay: 90ms;
}

.grid-pillars .reveal:nth-child(3),
.grid-projects .reveal:nth-child(3),
.grid-team .reveal:nth-child(3) {
  transition-delay: 180ms;
}

.grid-pillars .reveal:nth-child(4),
.grid-projects .reveal:nth-child(4),
.grid-team .reveal:nth-child(4) {
  transition-delay: 270ms;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    transition: none;
    opacity: 1;
    transform: none;
  }
}

/* ---------- Tech stack diagram (SVG) ---------- */

.stack-diagram-wrap {
  max-width: 760px;
  margin-inline: auto;
  /* Diagram text needs a real minimum pixel size to stay legible — rather
     than let the SVG shrink to the viewport and blur out its labels, this
     container scrolls horizontally on narrow screens while the page body
     itself never does. */
  overflow-x: auto;
  padding-bottom: var(--space-2);
}

.stack-diagram {
  width: 100%;
  min-width: 640px;
  height: auto;
}

.stack-layer-band {
  fill: var(--bg-elevated);
  stroke: var(--border);
  stroke-width: 1;
  transition: opacity var(--duration-base) var(--ease-standard);
}

.stack-layer-label {
  fill: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.stack-node-circle {
  fill: var(--bg-primary);
  stroke: var(--border);
  stroke-width: 1.5;
  transition: stroke var(--duration-base) var(--ease-standard),
    stroke-width var(--duration-base) var(--ease-standard);
}

.stack-node-icon {
  color: var(--text-primary);
  transition: opacity var(--duration-base) var(--ease-standard);
}

.stack-node-label {
  fill: var(--text-primary);
  font-size: 13px;
  font-weight: 500;
  text-anchor: middle;
}

.connector-path {
  fill: none;
  stroke: var(--accent-dim);
  stroke-width: 2;
  transition: stroke-dashoffset var(--duration-slower) var(--ease-standard);
}

.connector-path--2 {
  transition-delay: 400ms;
}

.stack-layer {
  cursor: pointer;
  outline: none;
}

.stack-layer.is-active .stack-node-circle {
  stroke: var(--accent);
  stroke-width: 2.5;
}

.stack-layer.is-active .stack-layer-band {
  opacity: 1;
}

.stack-layer.is-dimmed {
  opacity: 0.35;
}

.stack-layer:focus-visible .stack-layer-band {
  stroke: var(--accent);
}

@media (prefers-reduced-motion: reduce) {
  .connector-path {
    stroke-dashoffset: 0 !important;
    transition: none !important;
  }
}

@media (max-width: 480px) {
  .stack-node-label {
    font-size: 11px;
  }

  .stack-layer-label {
    font-size: 11px;
  }
}