/* Pouria Goldasteh — one-page personal site */

:root {
  --bg: #f8f6f3;
  --bg-elevated: #ffffff;
  --text: #1c1917;
  --text-muted: #57534e;
  --accent: #0d5c4a;
  --accent-soft: rgba(13, 92, 74, 0.12);
  --accent-border: rgba(13, 92, 74, 0.35);
  --border: #e7e5e4;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --shadow: 0 1px 2px rgba(28, 25, 23, 0.06), 0 8px 24px rgba(28, 25, 23, 0.06);
  --font-sans: "Source Sans 3", system-ui, sans-serif;
  --font-display: "Cormorant Garamond", Georgia, serif;
  --transition: 0.22s ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  background-image: radial-gradient(
      ellipse 120% 80% at 50% -20%,
      rgba(13, 92, 74, 0.08),
      transparent 55%
    ),
    radial-gradient(ellipse 80% 50% at 100% 100%, rgba(13, 92, 74, 0.05), transparent 50%);
}

.page {
  max-width: 720px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 3rem;
}

/* Hero */
.hero {
  text-align: center;
  margin-bottom: 2.25rem;
}

.hero__photo-wrap {
  display: inline-block;
  padding: 4px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--accent), #2d9d7a);
  box-shadow: var(--shadow);
}

.hero__photo {
  display: block;
  width: 160px;
  height: 160px;
  border-radius: var(--radius-full);
  object-fit: cover;
  background: var(--border);
  border: 3px solid var(--bg-elevated);
}

.hero__name {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  margin: 1.25rem 0 0.35rem;
  color: var(--text);
}

.hero__tagline {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--text-muted);
  font-style: italic;
}

/* Icon navigation — one row; scroll horizontally on very narrow viewports */
.section-nav {
  margin-bottom: 2rem;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.section-nav__list {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  gap: 0.4rem;
  width: fit-content;
}

.section-nav__btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.45rem;
  flex: 0 0 auto;
  width: 76px;
  padding: 0.5rem 0.15rem;
  border: none;
  background: transparent;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-muted);
  border-radius: 12px;
  transition: color var(--transition), transform var(--transition),
    background var(--transition);
}

.section-nav__btn:hover {
  color: var(--accent);
  background: var(--accent-soft);
}

.section-nav__btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.section-nav__btn.is-active {
  color: var(--accent);
}

.section-nav__btn.is-active .section-nav__icon {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 4px 14px rgba(13, 92, 74, 0.35);
}

.section-nav__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-full);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: background var(--transition), color var(--transition),
    border-color var(--transition), box-shadow var(--transition);
}

.section-nav__icon svg {
  width: 24px;
  height: 24px;
}

.section-nav__label {
  text-align: center;
  line-height: 1.2;
  max-width: 100%;
}

/* Content panels */
.content {
  background: var(--bg-elevated);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  min-height: 280px;
  padding: 1.75rem 1.5rem 2rem;
  position: relative;
  overflow: hidden;
}

.panel {
  display: none;
  animation: fadeIn 0.35s ease;
}

.panel.is-visible {
  display: block;
}

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

.panel__title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  margin: 0 0 1rem;
  color: var(--text);
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--border);
}

.panel__body {
  margin: 0;
}

.prose p {
  margin: 0 0 1rem;
}

.prose p:last-child {
  margin-bottom: 0;
}

.muted {
  color: var(--text-muted);
  font-size: 0.98rem;
}

.inline-code {
  font-family: ui-monospace, monospace;
  font-size: 0.9em;
  background: var(--accent-soft);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

.link-list {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
}

.link-list li {
  margin-bottom: 0.5rem;
}

.external-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}

.external-link:hover {
  border-bottom-color: var(--accent);
}

.card-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 520px) {
  .card-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.card {
  padding: 1rem 1.1rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg);
}

.card__title {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0 0 0.35rem;
}

.card__text {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.card__link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
}

.card__link:hover {
  text-decoration: underline;
}

.contact-link {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
}

.contact-link:hover {
  text-decoration: underline;
}

.social-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
}

.social-list a {
  color: var(--accent);
  font-weight: 500;
  text-decoration: none;
}

.social-list a:hover {
  text-decoration: underline;
}

/* Blog / LinkedIn */
.blog-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 0.75rem;
  margin: 0 0 1rem;
}

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1.1rem;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: inherit;
  text-decoration: none;
  border-radius: 10px;
  border: 1px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition),
    box-shadow var(--transition);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn-primary:hover {
  filter: brightness(1.06);
  box-shadow: 0 4px 14px rgba(13, 92, 74, 0.35);
}

.btn-secondary {
  background: var(--bg);
  color: var(--accent);
  border-color: var(--border);
}

.btn-secondary:hover {
  background: var(--accent-soft);
  border-color: var(--accent-border);
}

.blog-note {
  font-size: 0.92rem;
  margin-bottom: 1.25rem;
}

.blog-feed-heading {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  margin: 1.5rem 0 0.85rem;
  color: var(--text-muted);
}

.linkedin-feed {
  margin-top: 0.25rem;
}

.linkedin-embed-wrap {
  margin-bottom: 1.25rem;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg);
  max-width: 504px;
  margin-left: auto;
  margin-right: auto;
}

.linkedin-embed-frame {
  display: block;
  width: 100% !important;
  max-width: 100%;
  min-height: 200px;
  border: 0;
}

.blog-feed-empty {
  margin: 0;
}

.footer {
  margin-top: 2.5rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer p {
  margin: 0;
}