/* ============================================================
   Pejman Nikouee — Portfolio
   Palette: Command Navy / Briefing Paper / Steel Blue / Signal Amber
   Type: Saira Condensed (display) · IBM Plex Sans (body) · IBM Plex Mono (utility)
   ============================================================ */

:root {
  --navy: #0e1a2b;
  --navy-2: #16273d;
  --paper: #f2f4f6;
  --white: #ffffff;
  --ink: #1b2634;
  --slate: #5a6b7d;
  --line: #d5dce3;
  --steel: #3e6c9e;
  --amber: #e8a33d;
  --amber-deep: #c9871f;

  --font-display: "Saira Condensed", sans-serif;
  --font-body: "IBM Plex Sans", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;

  --wrap: 1120px;
}

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

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  font-size: 16.5px;
}

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

a { color: var(--steel); }
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 3px;
}

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--amber); color: var(--navy);
  padding: 10px 16px; z-index: 100; font-family: var(--font-mono);
}
.skip-link:focus { left: 12px; top: 12px; }

/* ---------- Top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(14, 26, 43, 0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(232, 163, 61, 0.25);
}
.topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 60px;
}
.brand {
  font-family: var(--font-mono); font-size: 14px; letter-spacing: 0.14em;
  color: var(--white); text-decoration: none; display: flex; align-items: center; gap: 10px;
}
.brand-mark {
  width: 10px; height: 10px; background: var(--amber);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}
.topnav { display: flex; gap: 26px; align-items: center; }
.topnav a {
  color: #c4cfdb; text-decoration: none; font-size: 14px; font-weight: 500;
}
.topnav a:hover { color: var(--white); }
.nav-cta {
  border: 1px solid var(--amber); color: var(--amber) !important;
  padding: 6px 14px; font-family: var(--font-mono); font-size: 12.5px !important;
  letter-spacing: 0.08em;
}
.nav-cta:hover { background: var(--amber); color: var(--navy) !important; }

/* ---------- Hero ---------- */
.hero {
  background:
    linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 70%, #1a3050 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
  padding-top: 84px;
  padding-bottom: 84px;
  position: relative;
}
.eyebrow {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.18em;
  color: var(--amber); margin-bottom: 18px;
}
.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(64px, 9vw, 112px);
  line-height: 0.92;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  margin-bottom: 22px;
}
.hero-sub {
  font-size: 18px; color: #c9d4e0; max-width: 46ch; margin-bottom: 26px;
}
.hero-tags { display: flex; gap: 10px; margin-bottom: 34px; flex-wrap: wrap; }
.hero-tags span {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em;
  border: 1px solid rgba(232,163,61,0.5); color: var(--amber);
  padding: 5px 12px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-block; text-decoration: none;
  font-family: var(--font-mono); font-size: 13.5px; letter-spacing: 0.08em;
  padding: 13px 26px; transition: background 0.15s ease, color 0.15s ease;
}
.btn-amber { background: var(--amber); color: var(--navy); font-weight: 500; }
.btn-amber:hover { background: var(--amber-deep); }
.btn-ghost { border: 1px solid #4c6a86; color: #dfe7ef; }
.btn-ghost:hover { border-color: var(--white); color: var(--white); }

.hero-map { position: relative; min-width: 0; }
.hero-map svg { width: 100%; height: auto; display: block; }
.map-caption {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em;
  color: #7f93a8; text-align: center; margin-top: 10px;
}

/* SVG map internals (classes applied from JS) */
.map-link { stroke: #33506f; stroke-width: 1.2; }
.map-node-dot { fill: var(--navy-2); stroke: var(--steel); stroke-width: 1.5; }
.map-node-label {
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.06em;
  fill: #b9c7d6;
}
.map-hub { fill: var(--amber); }
.map-hub-ring { fill: none; stroke: var(--amber); stroke-width: 1; opacity: 0.55; }
.map-hub-label {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.14em;
  fill: var(--amber); text-anchor: middle;
}
.map-pulse { fill: var(--amber); }

/* ---------- Sections ---------- */
.section { padding: 88px 0; }
.section-alt { background: var(--white); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.sec-label {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.2em;
  color: var(--amber-deep); margin-bottom: 14px;
}
.sec-label-light { color: var(--amber); }
.sec-label::before {
  content: ""; display: inline-block; width: 22px; height: 2px;
  background: currentColor; margin-right: 10px; vertical-align: middle;
}

h2 {
  font-family: var(--font-display); font-weight: 600; text-transform: uppercase;
  font-size: clamp(34px, 4.6vw, 52px); line-height: 1.02; letter-spacing: 0.01em;
  margin-bottom: 30px;
}

.two-col {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: 48px; align-items: start;
}
.two-col h2 { margin-bottom: 0; }
.prose p + p { margin-top: 16px; }
.prose { color: #33414f; }

.stat-row {
  list-style: none; display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 20px; margin-top: 56px; border-top: 1px solid var(--line); padding-top: 34px;
}
.stat-row strong {
  display: block; font-family: var(--font-display); font-size: 46px;
  font-weight: 700; color: var(--navy); line-height: 1;
}
.stat-row span {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.05em;
  color: var(--slate); display: block; margin-top: 8px;
}

/* ---------- Timeline ---------- */
.timeline { list-style: none; }
.job {
  position: relative; padding: 0 0 46px 34px;
  border-left: 2px solid var(--line);
}
.job:last-child { padding-bottom: 0; }
.job::before {
  content: ""; position: absolute; left: -7px; top: 8px;
  width: 12px; height: 12px; background: var(--amber);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}
.job-head {
  display: flex; justify-content: space-between; gap: 20px; align-items: baseline;
  flex-wrap: wrap; margin-bottom: 14px;
}
.job h3 {
  font-family: var(--font-display); font-weight: 600; text-transform: uppercase;
  font-size: 27px; letter-spacing: 0.015em; line-height: 1.1;
}
.job-org { color: var(--slate); font-size: 15px; margin-top: 4px; }
.job-dates {
  font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 0.1em;
  color: var(--amber-deep); white-space: nowrap;
}
.job-points { list-style: none; }
.job-points li {
  position: relative; padding-left: 20px; margin-bottom: 10px; color: #33414f;
}
.job-points li::before {
  content: "▸"; position: absolute; left: 0; color: var(--steel);
}

/* ---------- Project cards ---------- */
.cards {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
}
.card {
  background: var(--white); border: 1px solid var(--line);
  border-top: 3px solid var(--navy);
  padding: 26px 24px 28px;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-top-color 0.18s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 34px rgba(14, 26, 43, 0.12);
  border-top-color: var(--amber);
}
.card-tag {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em;
  color: var(--amber-deep); margin-bottom: 12px;
}
.card h3 {
  font-family: var(--font-display); font-weight: 600; text-transform: uppercase;
  font-size: 23px; line-height: 1.12; margin-bottom: 10px;
}
.card p:last-child { color: #45535f; font-size: 15px; }

/* ---------- Skills ---------- */
.skill-cols {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px;
}
.skill-col h3 {
  font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--navy);
  border-bottom: 2px solid var(--amber); padding-bottom: 10px; margin-bottom: 14px;
}
.skill-col ul { list-style: none; }
.skill-col li {
  font-size: 14.5px; color: #33414f; padding: 6px 0;
  border-bottom: 1px solid var(--line);
}
.skill-col li:last-child { border-bottom: none; }

/* ---------- Certifications ---------- */
.cert-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.cert {
  border: 1px solid var(--line); background: var(--white); padding: 24px 22px;
}
.cert-clearance { background: var(--navy); border-color: var(--navy); }
.cert-clearance .cert-name { color: var(--amber); }
.cert-clearance .cert-detail { color: #c9d4e0; }
.cert-clearance .cert-exp { color: #7f93a8; }
.cert-name {
  font-family: var(--font-display); font-weight: 700; text-transform: uppercase;
  font-size: 30px; line-height: 1; color: var(--navy);
}
.cert-detail { font-size: 14px; color: var(--slate); margin-top: 8px; min-height: 42px; }
.cert-exp {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em;
  color: var(--amber-deep); margin-top: 14px;
}

/* ---------- Contact ---------- */
.contact {
  background: var(--navy); color: var(--white); padding: 96px 0;
  position: relative; overflow: hidden;
}
.contact::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
}
.contact .wrap { position: relative; }
.contact h2 { color: var(--white); }
.contact-sub { color: #c9d4e0; max-width: 60ch; margin-bottom: 34px; }
.contact-links { display: flex; gap: 34px; flex-wrap: wrap; }
.contact-links a {
  color: var(--white); text-decoration: none;
  font-family: var(--font-mono); font-size: 15px; letter-spacing: 0.03em;
  border-bottom: 2px solid var(--amber); padding-bottom: 4px;
}
.contact-links a:hover { color: var(--amber); }

/* ---------- Footer ---------- */
.footer { background: #0a1420; color: #7f93a8; padding: 22px 0; }
.footer-inner {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 13px;
}
.footer-note { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.55s ease, transform 0.55s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; padding-top: 60px; padding-bottom: 60px; }
  .hero-map { max-width: 520px; margin: 0 auto; }
  .two-col { grid-template-columns: 1fr; gap: 24px; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .skill-cols, .cert-row, .stat-row { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .topnav a:not(.nav-cta) { display: none; }
  .cards { grid-template-columns: 1fr; }
  .skill-cols, .cert-row { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 64px 0; }
  .job { padding-left: 24px; }
}

/* ============================================================
   Case study page (c2-course.html)
   ============================================================ */

.card-cta {
  display: inline-block; margin-top: 14px;
  font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 0.1em;
  color: var(--amber-deep); text-decoration: none;
  border-bottom: 2px solid var(--amber);
  padding-bottom: 3px;
}
.card-cta:hover { color: var(--navy); }

.crumb { color: var(--amber); text-decoration: none; }
.crumb:hover { text-decoration: underline; }

.cs-hero .cs-title { font-size: clamp(56px, 8vw, 96px); }
.cs-subtitle { color: var(--amber); font-weight: 500; max-width: 50ch; }
.cs-intro { font-size: 16px; }

.lead { color: #33414f; max-width: 78ch; margin: -8px 0 36px; }

/* Training gap: before / after */
.gap-grid {
  display: grid; grid-template-columns: 1fr auto 1fr; gap: 22px; align-items: stretch;
}
.gap-box { border: 1px solid var(--line); background: var(--white); padding: 26px 24px; }
.gap-before { border-top: 3px solid var(--slate); }
.gap-after { border-top: 3px solid var(--amber); }
.gap-tag {
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.16em;
  color: var(--slate); margin-bottom: 14px;
}
.gap-after .gap-tag { color: var(--amber-deep); }
.gap-box ul { list-style: none; }
.gap-box li {
  position: relative; padding-left: 20px; margin-bottom: 10px;
  color: #33414f; font-size: 15px;
}
.gap-box li::before { content: "▸"; position: absolute; left: 0; color: var(--steel); }
.gap-arrow {
  display: flex; align-items: center; font-family: var(--font-display);
  font-size: 40px; color: var(--amber); font-weight: 700;
}

/* Crawl-walk-run progression */
.progression {
  list-style: none; display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0; counter-reset: prog; margin-bottom: 64px;
  border-top: 2px solid var(--navy);
}
.progression li {
  padding: 24px 20px 6px; border-right: 1px solid var(--line); position: relative;
}
.progression li:last-child { border-right: none; }
.progression li::before {
  content: ""; position: absolute; top: -7px; left: 20px;
  width: 12px; height: 12px; background: var(--amber);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}
.prog-step {
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.18em;
  color: var(--amber-deep); margin-bottom: 10px;
}
.progression h3 {
  font-family: var(--font-display); font-weight: 600; text-transform: uppercase;
  font-size: 22px; line-height: 1.1; margin-bottom: 8px;
}
.progression p:last-child { font-size: 14.5px; color: #45535f; }

/* Curriculum architecture blocks */
.arch-heading {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.2em;
  color: var(--navy); margin-bottom: 18px;
  border-top: 1px solid var(--line); padding-top: 30px;
}
.arch-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.arch-block {
  background: var(--navy); color: #c9d4e0; padding: 26px 24px 28px;
}
.arch-num {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em;
  color: var(--amber); margin-bottom: 12px;
}
.arch-block h3 {
  font-family: var(--font-display); font-weight: 600; text-transform: uppercase;
  font-size: 22px; line-height: 1.12; color: var(--white); margin-bottom: 10px;
}
.arch-block p:last-child { font-size: 14.5px; }

/* What I built tiles */
.tile-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.tile {
  background: var(--white); border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
  padding: 18px 20px; font-size: 15px; color: #2b3947; font-weight: 500;
}

/* Development process phase body */
.phase-body { color: #33414f; max-width: 78ch; }

/* Skills chips */
.chip-row { display: flex; flex-wrap: wrap; gap: 12px; }
.chip {
  font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.05em;
  border: 1px solid var(--line); background: var(--paper);
  color: var(--navy); padding: 9px 16px;
  border-bottom: 2px solid var(--amber);
}

/* Deliverables list */
.deliverables { list-style: none; border-top: 2px solid var(--navy); }
.deliverables li {
  display: grid; grid-template-columns: 280px 1fr; gap: 20px;
  padding: 16px 4px; border-bottom: 1px solid var(--line);
}
.dv-name {
  font-family: var(--font-mono); font-size: 13.5px; letter-spacing: 0.05em;
  color: var(--navy); font-weight: 500;
}
.dv-desc { color: #45535f; font-size: 15px; }

/* Closing quote */
.closing {
  border-left: 3px solid var(--amber); padding: 6px 0 6px 24px;
  margin: 34px 0; color: #dfe7ef; font-size: 17px; max-width: 72ch;
  font-style: italic;
}

@media (max-width: 960px) {
  .gap-grid { grid-template-columns: 1fr; }
  .gap-arrow { transform: rotate(90deg); justify-content: center; }
  .progression { grid-template-columns: repeat(2, 1fr); }
  .progression li { border-bottom: 1px solid var(--line); }
  .arch-grid, .tile-grid { grid-template-columns: 1fr 1fr; }
  .deliverables li { grid-template-columns: 1fr; gap: 4px; }
}
@media (max-width: 640px) {
  .progression, .arch-grid, .tile-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   Kill web diagram icons + WBSI leadership panel
   ============================================================ */

.map-link-mesh { stroke-dasharray: 4 5; stroke: #2c455f; }
.map-device { fill: var(--navy-2); stroke: var(--steel); stroke-width: 1.5; }
.map-device-label {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.1em;
  fill: #b9c7d6; text-anchor: middle;
}
.map-fw { fill: rgba(232, 163, 61, 0.16); stroke: var(--amber); stroke-width: 1.5; }
.map-fw-line { stroke: var(--amber); stroke-width: 1; opacity: 0.65; }
.map-icon-line { stroke: #b9c7d6; stroke-width: 1.4; }
.map-icon-fill { fill: #b9c7d6; }
.map-node-sys { stroke: var(--amber); }

.wbsi-panel {
  margin-top: 52px;
  background: var(--navy);
  padding: 32px 34px 34px;
  border-left: 4px solid var(--amber);
}
.wbsi-label {
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.2em;
  color: var(--amber); margin-bottom: 18px;
}
.wbsi-panel h3 {
  font-family: var(--font-display); font-weight: 600; text-transform: uppercase;
  font-size: 27px; letter-spacing: 0.015em; line-height: 1.1; color: var(--white);
}
.wbsi-panel .job-org { color: #8fa1b4; }
.wbsi-panel .job-points li { color: #c9d4e0; }
.wbsi-panel .job-points li::before { color: var(--amber); }

@media (max-width: 640px) {
  .wbsi-panel { padding: 24px 20px 26px; }
}

.map-led { fill: var(--amber); }
.map-sys { stroke: var(--amber); }

.map-tier-line { stroke: #24374e; stroke-width: 1; stroke-dasharray: 2 6; }
.map-tier-label {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.16em;
  fill: #56718c;
}
.hero-map svg { max-height: 660px; margin: 0 auto; }

.map-feed { fill: rgba(232, 163, 61, 0.18); stroke: var(--amber); stroke-width: 1.5; }

/* Anchor targets clear the sticky topbar, and the linked card gets a highlight */
section[id], .card[id] {
  scroll-margin-top: 84px;
}
.card:target {
  border-top-color: var(--amber);
  box-shadow: 0 14px 34px rgba(232, 163, 61, 0.28);
}