/* ========================================================
   Noman Aslam Khan — Portfolio
   Light / cream terminal-inspired theme
======================================================== */

:root {
  --bg: #f2efe9;
  --surface: #fbfaf7;
  --surface-2: #ffffff;
  --border: #dcd7cc;
  --text: #1f2937;
  --text-dim: #5b6472;
  --text-dimmer: #8b93a1;

  --accent: #3b82f6;
  --accent-dark: #1e3a8a;

  --mono: "JetBrains Mono", monospace;
  --sans: "Inter", system-ui, -apple-system, sans-serif;

  --radius-sm: 8px;
  --radius-md: 12px;
  --transition: all 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
}

.page {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 32px 0;
}

/* ===== Header ===== */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 56px;
  position: relative;
}

.logo {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 15px;
  color: var(--text);
  position: relative;
  padding-bottom: 6px;
}
.logo::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -29px;
  width: 90px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.nav-links {
  display: flex;
  gap: 28px;
}
.nav-links a {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-dim);
  transition: var(--transition);
}
.nav-links a:hover {
  color: var(--text);
}
.nav-links a.is-active {
  color: var(--accent);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 24px;
  border: none;
  background: none;
  cursor: pointer;
}
.nav-toggle span {
  height: 2px;
  background: var(--text);
  border-radius: 2px;
}

/* ===== Hero ===== */
.hero {
  padding-bottom: 64px;
}

.hero__title {
  font-size: clamp(34px, 6vw, 52px);
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}

.hero__subtitle {
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 20px;
}

.hero__desc {
  max-width: 460px;
  color: var(--text-dim);
  font-size: 15.5px;
  margin-bottom: 32px;
}

.hero__cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ===== Buttons ===== */
.btn {
  font-family: var(--mono);
  font-size: 13.5px;
  font-weight: 600;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
}

.btn--primary {
  background: var(--accent-dark);
  color: #fff;
}
.btn--primary:hover {
  background: #16305f;
  transform: translateY(-1px);
}

.btn--outline {
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
}
.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
  transform: translateY(-1px);
}

/* ===== Section label ===== */
.section-label {
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-dimmer);
  margin-bottom: 20px;
}

/* ===== Projects ===== */
.projects {
  padding-bottom: 64px;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.project-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}
.project-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(31, 41, 55, 0.06);
}

.project-card.is-clickable {
  cursor: pointer;
}

.project-card__index-link {
  display: block;
}
.project-card__index-link:hover .project-card__index {
  text-decoration: underline;
}

.project-card__index {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 6px;
}

.project-card__title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.3;
}

.project-card__desc {
  font-size: 13.5px;
  color: var(--text-dim);
  margin-bottom: 16px;
  flex: 1;
}

.project-card__stack {
  font-size: 12.5px;
  margin-bottom: 18px;
}
.project-card__stack strong {
  display: block;
  font-size: 12px;
  color: var(--text);
  margin-bottom: 4px;
}
.project-card__stack span {
  color: var(--text-dimmer);
}

.project-card__icon {
  align-self: flex-end;
  font-size: 26px;
  margin: 8px 0 14px;
  opacity: 0.85;
}

.project-card__links {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-family: var(--mono);
  font-size: 12.5px;
}
.project-card__links a {
  color: var(--accent-dark);
  font-weight: 600;
}
.project-card__links a:hover {
  text-decoration: underline;
}

/* ===== Experience / Timeline ===== */
.experience {
  padding-bottom: 64px;
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 20px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border);
}
.timeline-item:last-child {
  border-bottom: none;
}

.timeline-item__period {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--text-dimmer);
  padding-top: 3px;
}

.timeline-item__role {
  font-size: 15.5px;
  font-weight: 700;
  margin-bottom: 4px;
}
.timeline-item__company {
  font-size: 13.5px;
  color: var(--accent-dark);
  font-weight: 600;
  margin-bottom: 8px;
}
.timeline-item__desc {
  font-size: 13.5px;
  color: var(--text-dim);
}

/* ===== Footer ===== */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 36px 0 40px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.footer__title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 6px;
}
.footer__email {
  font-family: var(--mono);
  font-size: 13.5px;
  color: var(--accent-dark);
}
.footer__email:hover {
  text-decoration: underline;
}

.footer__right {
  text-align: right;
}
.footer__links {
  display: flex;
  gap: 16px;
  justify-content: flex-end;
  margin-bottom: 8px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--accent-dark);
}
.footer__links a:hover {
  text-decoration: underline;
}
.footer__copy {
  font-size: 12.5px;
  color: var(--text-dimmer);
}

/* ===== Project detail page ===== */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 32px;
  transition: var(--transition);
}
.back-link:hover {
  color: var(--accent-dark);
}

.detail-hero {
  padding-bottom: 48px;
}
.detail-hero__eyebrow {
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-dimmer);
  margin-bottom: 14px;
}
.detail-hero__title {
  font-size: clamp(28px, 5vw, 42px);
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.detail-hero__tagline {
  font-size: 16px;
  color: var(--text-dim);
  max-width: 560px;
  margin-bottom: 24px;
}
.detail-hero__meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.badge {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text-dim);
}
.detail-hero__cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.app-showcase {
  padding-bottom: 64px;
}
.app-showcase__card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  margin-bottom: 28px;
}
.app-showcase__icon {
  font-size: 40px;
  margin-bottom: 16px;
}
.app-showcase__title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
}
.app-showcase__desc {
  color: var(--text-dim);
  font-size: 14.5px;
  margin-bottom: 20px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 8px;
}
.feature-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  background: var(--surface);
}
.feature-item__title {
  font-size: 13.5px;
  font-weight: 700;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.feature-item__desc {
  font-size: 13px;
  color: var(--text-dim);
}

.stack-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}
.stack-chip {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--accent-dark);
}

.coming-soon {
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  text-align: center;
  color: var(--text-dimmer);
  font-size: 13.5px;
  font-family: var(--mono);
}

/* ===== Responsive ===== */
@media (max-width: 640px) {
  .site-header {
    margin-bottom: 44px;
  }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-top: 8px;
    padding: 16px;
    flex-direction: column;
    gap: 14px;
    display: none;
    z-index: 20;
  }
  .nav-links.is-open {
    display: flex;
  }
  .nav-toggle {
    display: flex;
  }
  .timeline-item {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer__right {
    text-align: left;
  }
  .footer__links {
    justify-content: flex-start;
  }
}