/* Shared nav, footer, session pages, forms - tanveerriaz.me */
@import url("https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600&display=swap");
@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&display=swap");
@import url("tokens.css");
@import url("editorial-motion.css");
@import url("global-nav.css");

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

.shell-body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--text-base);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.shell-body--session {
  background: var(--session-paper);
  font-family: var(--session-sans);
  color: var(--session-ink);
}

/* Restrained ambient texture - session + portfolio subpages */
.shell-body--session,
.shell-body:not(.home-body) {
  background-color: var(--session-paper);
  background-image:
    radial-gradient(ellipse 75% 50% at 50% -8%, rgba(13, 107, 99, 0.14), transparent 55%),
    radial-gradient(ellipse 55% 40% at 100% 90%, rgba(234, 88, 12, 0.08), transparent 50%),
    radial-gradient(ellipse 45% 35% at 0% 60%, rgba(15, 122, 66, 0.07), transparent 45%);
}

::selection {
  background: #dcfce7;
  color: var(--ink);
}

a { color: inherit; }

/* - - - Nav - - - */
.shell-nav {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: rgba(245, 243, 239, 0.92);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--session-line);
}

.shell-nav-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--page-gutter);
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.shell-nav-name {
  font-family: var(--display);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  text-decoration: none;
  color: var(--ink);
  flex-shrink: 0;
}

.shell-nav-links {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.shell-nav-links a {
  position: relative;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
  transition: color var(--duration-fast) var(--ease-out), background var(--duration-fast) var(--ease-out);
}

.shell-nav-links a::after {
  content: "";
  position: absolute;
  left: 0.65rem;
  right: 0.65rem;
  bottom: 0.15rem;
  height: 1.5px;
  background: var(--session-teal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-base) var(--ease-out);
}

.shell-nav-links a:hover {
  color: var(--ink);
}

.shell-nav-links a:hover::after {
  transform: scaleX(1);
}

.shell-nav-links a.is-active {
  color: var(--ink);
}

.shell-nav-links a.is-active::after {
  transform: scaleX(1);
}

.shell-nav-name:focus-visible,
.shell-nav-links a:focus-visible,
.shell-footer-links a:focus-visible,
.skip:focus-visible {
  outline: 2px solid var(--session-focus);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: #fff;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  z-index: var(--z-overlay);
  text-decoration: none;
}

.skip:focus { left: 1rem; top: 1rem; }

/* Article context sits inside the page, while the global navigation remains constant. */
.article-context { border-bottom: 1px solid #30302d; background: #0d0d0c; color: #90908b; }
.article-context > div { width: min(1280px, calc(100vw - 48px)); min-height: 44px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.article-context p { margin: 0; display: flex; align-items: center; gap: 10px; font: 500 9px "IBM Plex Mono", monospace; letter-spacing: .04em; text-transform: uppercase; }
.article-context a { color: #b8c4ff; text-underline-offset: 3px; }
.article-context b { color: #c9c9c3; font: inherit; }

@media (max-width: 700px) {
  .article-context > div { width: calc(100vw - 32px); min-height: 58px; align-items: flex-start; flex-direction: column; justify-content: center; gap: 4px; }
  .article-context p:first-child b { max-width: 210px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
}

/* - - - Footer - - - */
.shell-footer {
  border-top: 1px solid var(--line);
  padding: 2.25rem var(--page-gutter) 2.75rem;
  margin-top: auto;
}

.shell-footer-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  font-size: var(--text-sm);
  color: var(--faint);
}

.shell-footer-tagline {
  font-weight: 500;
  color: var(--muted);
  letter-spacing: -0.01em;
}

.shell-footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 1rem;
}

.shell-footer-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color var(--duration-fast) var(--ease-out);
}

.shell-footer-links a:hover { color: var(--ink); }

.shell-footer-disclaimer {
  width: 100%;
  flex-basis: 100%;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--faint);
  margin-top: 0.25rem;
}

.shell-social {
  display: flex;
  gap: 0.5rem;
}

/* - - - Icon tiles - - - */
.icon-tile {
  width: var(--icon-tile-size);
  height: var(--icon-tile-size);
  border-radius: var(--icon-tile-radius);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.icon-tile svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon-tile--agents { background: color-mix(in srgb, var(--color-ai-agents) calc(var(--icon-tile-opacity) * 100%), transparent); color: var(--color-ai-agents); }
.icon-tile--local { background: color-mix(in srgb, var(--color-local-first) calc(var(--icon-tile-opacity) * 100%), transparent); color: var(--color-local-first); }
.icon-tile--tooling { background: color-mix(in srgb, var(--color-ai-tooling) calc(var(--icon-tile-opacity) * 100%), transparent); color: var(--color-ai-tooling); }
.icon-tile--signal { background: color-mix(in srgb, var(--color-signal) calc(var(--icon-tile-opacity) * 100%), transparent); color: var(--color-signal); }
.icon-tile--linkedin { background: color-mix(in srgb, #0a66c2 12%, transparent); color: #0a66c2; }
.icon-tile--github { background: color-mix(in srgb, var(--ink) 10%, transparent); color: var(--ink); }
.icon-tile--x { background: color-mix(in srgb, var(--ink) 10%, transparent); color: var(--ink); }
.icon-tile--instagram { background: color-mix(in srgb, #e1306c 12%, transparent); color: #e1306c; }
.icon-tile--email { background: color-mix(in srgb, var(--color-ai-tooling) 12%, transparent); color: var(--color-ai-tooling); }

/* - - - Session page layout - - - */
.session-wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 3.5rem) var(--page-gutter) 4.5rem;
}

.session-head {
  text-align: center;
  margin-bottom: 2rem;
}

.session-kicker {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-kicker);
  text-transform: uppercase;
  color: var(--session-coral);
  margin: 0 0 0.65rem;
}

.session-head h1 {
  font-family: var(--session-sans);
  font-size: clamp(1.65rem, 5vw, 2.25rem);
  font-weight: 700;
  letter-spacing: var(--tracking-tight);
  line-height: 1.15;
  margin: 0 0 0.5rem;
  text-wrap: balance;
}

.session-head p {
  color: var(--session-muted);
  margin: 0;
  font-size: 0.9375rem;
  max-width: 36ch;
  margin-inline: auto;
  line-height: 1.55;
}

.session-steps {
  margin-top: 0.75rem;
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--faint);
}

/* - - - Form system - - - */
.feedback-form {
  background: var(--session-card);
  border: 1px solid var(--session-line);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(13, 107, 99, 0.08);
}

.form-section {
  margin: 0;
  padding: 1.75rem 1.75rem 0.5rem;
  border: none;
  border-bottom: 1px solid var(--session-line);
}

.form-section--you { background: var(--tint-teal); }
.form-section--rating { background: var(--tint-coral); }
.form-section--next { background: var(--tint-green); }

.form-section--you .form-section__legend { color: var(--session-teal); }
.form-section--rating .form-section__legend { color: var(--session-coral); }
.form-section--next .form-section__legend { color: var(--session-emerald); }

.form-section:last-of-type {
  border-bottom: none;
  padding-bottom: 1.25rem;
}

.form-section__legend {
  display: block;
  width: 100%;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-kicker);
  text-transform: uppercase;
  color: var(--session-teal);
  margin-bottom: 1.25rem;
  padding: 0;
}

.form-field {
  margin-bottom: 1.35rem;
}

.form-field:last-child {
  margin-bottom: 0;
}

label.form-q {
  display: block;
  font-weight: 600;
  font-size: 0.9375rem;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.form-req { color: var(--session-coral); font-weight: 700; }
.form-opt { color: var(--session-muted); font-weight: 400; font-size: 0.8125rem; }

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  font: inherit;
  font-size: 0.9375rem;
  color: var(--session-ink);
  background: var(--session-paper);
  border: 1px solid var(--session-line);
  border-radius: var(--radius-sm);
  padding: 0.72rem 0.875rem;
  transition: border-color var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out);
}

.form-textarea {
  min-height: 96px;
  resize: vertical;
  line-height: 1.55;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--session-teal);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.12);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--faint);
}

.form-select {
  cursor: pointer;
  padding-right: 2.25rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  appearance: none;
}

.form-select:invalid {
  color: var(--faint);
}

/* Star rating */
.star-rating {
  display: inline-flex;
  flex-direction: row-reverse;
  gap: 0.15rem;
}

.star-rating input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.star-rating label {
  font-size: 1.85rem;
  line-height: 1;
  color: #d6d3d1;
  cursor: pointer;
  transition: color var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);
  user-select: none;
}

.star-rating label::before { content: "\2605"; }

.star-rating input:checked ~ label,
.star-rating label:hover,
.star-rating label:hover ~ label {
  color: var(--session-coral);
}

.star-rating label:hover {
  transform: scale(1.08);
}

/* Radio choices */
.choice-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.choice-group label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--session-line);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.95rem;
  cursor: pointer;
  font-size: 0.9375rem;
  background: var(--session-paper);
  transition: border-color var(--duration-fast) var(--ease-out), background var(--duration-fast) var(--ease-out);
}

.choice-group input {
  accent-color: var(--session-teal);
  margin: 0;
}

.choice-group label:has(input:checked) {
  border-color: var(--session-teal);
  background: rgba(5, 150, 105, 0.12);
}

.form-actions {
  padding: 1.25rem 1.75rem 1.75rem;
  background: var(--tint-teal);
  border-top: 1px solid var(--session-line);
}

.turnstile-label {
  margin: 0 0 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--session-teal);
  text-align: center;
}

.turnstile-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 1rem;
  min-height: 70px;
}

.form-submit {
  width: 100%;
  font: inherit;
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: -0.01em;
  color: #fff;
  background: var(--session-teal);
  border: none;
  border-radius: var(--radius-md);
  padding: 0.875rem 1.25rem;
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);
}

.form-submit:hover { background: #0e6b63; }
.form-submit:active { transform: scale(0.99); }
.form-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.form-status {
  margin-top: 0.875rem;
  font-size: 0.875rem;
  text-align: center;
  min-height: 1.25rem;
}

.form-status.error { color: #b91c1c; }

/* Success state */
.form-thanks {
  display: none;
  background: var(--session-card);
  border: 1px solid var(--session-line);
  border-radius: var(--radius-xl);
  padding: 3rem 2rem;
  text-align: center;
}

.form-thanks__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.12);
  color: var(--session-emerald);
  display: grid;
  place-items: center;
  font-size: 1.75rem;
}

.form-thanks h2 {
  font-family: var(--session-sans);
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
  letter-spacing: var(--tracking-tight);
}

.form-thanks p {
  color: var(--session-muted);
  margin: 0;
  font-size: 0.9375rem;
}

/* Closed state */
.form-closed {
  display: none;
  background: var(--session-card);
  border: 1px solid var(--session-line);
  border-radius: var(--radius-xl);
  padding: 3rem 2rem;
  text-align: center;
}

.form-closed:not([hidden]) {
  display: block;
}

.form-closed h2 {
  font-family: var(--session-sans);
  margin: 0 0 0.75rem;
  font-size: 1.375rem;
  letter-spacing: var(--tracking-tight);
  color: var(--session-ink);
}

.form-closed p {
  color: var(--session-muted);
  margin: 0;
  font-size: 0.9375rem;
}

.form-closed a {
  color: var(--session-emerald);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.hp {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}

/* - - - Scroll reveal - - - */
.reveal {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity var(--duration-slow) var(--ease-out), transform var(--duration-slow) var(--ease-out);
  }

  .reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
  }

  .reveal-delay-1 { transition-delay: 0.06s; }
  .reveal-delay-2 { transition-delay: 0.12s; }
  .reveal-delay-3 { transition-delay: 0.18s; }
}

@media (max-width: 640px) {
  .shell-nav-links { gap: 0; }
  .shell-nav-links a { font-size: 0.8125rem; padding: 0.35rem 0.5rem; }
  .form-section { padding: 1.35rem 1.25rem 0.35rem; }
  .form-actions { padding: 1rem 1.25rem 1.35rem; }
}