/* ==========================================================================
   Nicolas Sanchez - Homepage (index.html) layout
   Loads after base.css (tokens, reset, theme button live there).
   ========================================================================== */

html { overflow-x: hidden; }
ul { margin: 0; padding: 0; list-style: none; }

/* Layout */
.layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
  max-width: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Inter', -apple-system, system-ui, sans-serif;
  background-image: radial-gradient(circle at 78% 0%, var(--glow), transparent 50%);
  transition: background 0.25s ease, color 0.25s ease;
}
/* Prevent grid items from blowing out their tracks */
.sidebar, .main { min-width: 0; }

/* Sidebar */
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 48px 36px;
  border-right: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 28px;
  overflow: hidden;
}
.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-top: 4px;
}
.sidebar-nav a {
  font-size: 13.5px;
  color: var(--ink2);
  padding: 6px 0;
  text-decoration: none;
  transition: color 0.15s;
}
.sidebar-nav a:hover,
.sidebar-nav a.active { color: var(--ink); }
.sidebar-spacer { flex: 1; }
.sidebar-bottom {
  display: flex;
  align-items: center;
}

/* Main */
.main {
  padding: 72px 64px 60px;
}

/* Hero */
.hero-eyebrow {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  color: var(--ink3);
  letter-spacing: 1.6px;
  text-transform: uppercase;
  margin-bottom: 22px;
}
.hero-name {
  font-size: clamp(52px, 6.5vw, 84px);
  font-weight: 800;
  letter-spacing: -3.5px;
  line-height: 1;
  color: var(--ink);
  white-space: nowrap;
}
.hero-accent { color: var(--accent); }
.hero-dot { color: var(--ink3); font-weight: 400; }
.hero-role {
  margin-top: 18px;
  font-size: 19px;
  color: var(--ink2);
}
.hero-intro {
  margin-top: 22px;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  max-width: 620px;
}

/* Marquee */
.marquee-wrap {
  margin-top: 40px;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
}
.marquee-track {
  display: flex;
  animation: ns-marquee 32s linear infinite;
  padding: 14px 0;
  white-space: nowrap;
}
.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 24px;
  padding-right: 24px;
  font-size: 13px;
  color: var(--ink2);
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  letter-spacing: 0.4px;
}
.mq-dot { color: var(--accent); }
@keyframes ns-marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation-play-state: paused; }
}

/* Section head */
.section-head {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--ink3);
  margin: 0 0 22px;
}

/* Metrics */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.metric {
  border-top: 1px solid var(--rule);
  padding-top: 16px;
}
.metric-value {
  font-size: 44px;
  font-weight: 800;
  letter-spacing: -2px;
  line-height: 1;
  color: var(--ink);
}
.metric-label {
  margin-top: 12px;
  font-size: 12.5px;
  color: var(--ink2);
  line-height: 1.45;
}

/* Rule */
.rule {
  border: none;
  height: 1px;
  background: var(--rule);
  margin: 48px 0;
}

/* Experience */
.exp-row {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 28px;
  align-items: baseline;
  padding: 12px 0;
}
.exp-row + .exp-row { border-top: 1px solid var(--rule); }
.exp-dates {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px;
  color: var(--ink3);
  display: flex;
  align-items: center;
  gap: 6px;
}
.exp-meta {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: baseline;
}
.exp-title {
  font-size: 15px;
  color: var(--ink);
  font-weight: 600;
}
.exp-org {
  font-size: 13px;
  color: var(--ink2);
  text-align: right;
  flex-shrink: 0;
}

/* Pulse dot */
.pulse {
  position: relative;
  display: inline-block;
  width: 7px;
  height: 7px;
  flex-shrink: 0;
}
.pulse::before,
.pulse::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 4px;
  background: var(--accent);
}
.pulse::after {
  animation: ns-pulse 1.8s ease-out infinite;
}
@keyframes ns-pulse {
  0%   { transform: scale(1);   opacity: 0.7; }
  100% { transform: scale(2.6); opacity: 0; }
}

/* Skills */
.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 36px;
}
.skill-group-label {
  font-size: 11px;
  letter-spacing: 1.4px;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 10px;
  font-weight: 600;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
}
.skill-item {
  font-size: 14px;
  color: var(--ink);
  padding: 5px 0;
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.skill-slash {
  color: var(--ink3);
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 10px;
  flex-shrink: 0;
}

/* Certs + Education */
.certs-edu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.cert-row {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 10px 0;
}
.cert-row + .cert-row { border-top: 1px solid var(--rule); }
.cert-code {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  color: var(--accent);
  min-width: 56px;
  font-weight: 600;
  letter-spacing: 0.4px;
  flex-shrink: 0;
}
.cert-name { font-size: 14px; color: var(--ink); font-weight: 500; }
.cert-issuer { font-size: 12px; color: var(--ink3); margin-top: 2px; }
.edu-row { padding: 10px 0; }
.edu-row + .edu-row { border-top: 1px solid var(--rule); }
.edu-school { font-size: 14px; color: var(--ink); font-weight: 600; }
.edu-cred { font-size: 12.5px; color: var(--ink2); margin-top: 2px; }

/* Contact */
.contact-card {
  padding: 40px 44px;
  border: 1px solid var(--rule);
  border-radius: 16px;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.field { display: flex; flex-direction: column; gap: 6px; }
.field-label {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 10.5px;
  color: var(--ink3);
  letter-spacing: 1.4px;
  text-transform: uppercase;
}
.field input,
.field textarea {
  font-family: 'Inter', -apple-system, system-ui, sans-serif;
  font-size: 14px;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--rule);
  padding: 8px 0;
  color: var(--ink);
  outline: none;
  width: 100%;
  resize: none;
  transition: border-color 0.2s;
}
.field input:focus,
.field textarea:focus { border-bottom-color: var(--accent); }
.field input::placeholder,
.field textarea::placeholder { color: var(--ink3); }
.contact-submit {
  align-self: flex-start;
  margin-top: 6px;
  padding: 10px 22px;
  background: var(--ink);
  color: var(--bg);
  border: none;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  font-family: 'Inter', -apple-system, system-ui, sans-serif;
  cursor: pointer;
  transition: opacity 0.2s;
}
.contact-submit:hover { opacity: 0.8; }
.contact-links {
  display: grid;
  grid-template-columns: 90px 1fr;
  row-gap: 10px;
  column-gap: 16px;
  font-size: 14px;
}
.cl-label { color: var(--ink3); }
.cl-value { color: var(--ink); }
.cl-value a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 1px;
}
/* Toast */
.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  padding: 13px 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 9999;
}
.toast.ok  { background: var(--ink); color: var(--bg); }
.toast.err { background: #b34a1f; color: #fff; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); pointer-events: auto; }

/* Footer */
.footer {
  margin-top: 56px;
  padding-top: 22px;
  border-top: 1px solid var(--rule);
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 12px;
  color: var(--ink3);
}
.footer-spacer { flex: 1; }
.footer a { color: var(--ink3); text-decoration: none; transition: color 0.15s; }
.footer a:hover { color: var(--ink); }

/* Spacing between sections */
#about    { margin-top: 56px; }
#contact  { margin-top: 0; }

/* Responsive: tablet */
@media (max-width: 1024px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar {
    position: static;
    height: auto;
    padding: 0 16px 0 28px;
    flex-direction: row;
    align-items: center;
    border-right: none;
    border-bottom: 1px solid var(--rule);
    gap: 0;
    overflow-x: hidden;
  }
  /* Only the nav scrolls; theme button stays pinned right */
  .sidebar-nav-scroll {
    flex: 1;
    min-width: 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .sidebar-nav-scroll::-webkit-scrollbar { display: none; }
  .sidebar-nav {
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 0 2px;
    padding-top: 0;
    padding: 16px 0;
  }
  .sidebar-nav a { padding: 6px 10px; white-space: nowrap; }
  .sidebar-spacer { display: none; }
  .sidebar-bottom { margin-left: 12px; flex-shrink: 0; padding: 16px 0; }
  .main { padding: 40px 28px 48px; }
  .hero-name { white-space: normal; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .skills-grid { grid-template-columns: 1fr 1fr; }
  .certs-edu-grid { grid-template-columns: 1fr; gap: 36px; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
}

/* Responsive: mobile */
@media (max-width: 600px) {
  .sidebar { padding: 0 12px 0 16px; }
  .sidebar-nav a { padding: 6px 8px; font-size: 13px; }
  .main { padding: 28px 20px 40px; }
  .hero-name { font-size: 44px; letter-spacing: -2px; }
  .metrics-grid { grid-template-columns: 1fr 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
  .contact-card { border: none; padding: 0; }
  .exp-row { grid-template-columns: 72px 1fr; gap: 12px; }
  .exp-meta { flex-direction: column; gap: 2px; }
  .exp-org { text-align: left; flex-shrink: 1; }
  .footer { flex-wrap: wrap; gap: 10px; }
}

/* Print */
@media print {
  .sidebar, .marquee-wrap, .footer { display: none; }
  .layout { display: block; }
  .main { padding: 0; max-width: 100%; }
  .contact-card { border: none; padding: 0; }
}