/* ==========================================================
   Pia Swarup: portfolio styles

   1. Settings (colors, font, spacing, radius: tune here)
   2. Base
   3. Layout
   4. Top bar & menus
   5. Cards & card grids
   6. Placeholders
   7. Home page
   8. Detail pages
   9. "More work" row
   10. Footer
   11. Responsive
   ========================================================== */


/* ── 1. Settings ───────────────────────────────────────── */

:root {
  /* Colors */
  --color-bg: #ffffff;
  --color-text: #1f2433;          /* body text */
  --color-muted: #5c6b8a;         /* secondary text */
  --color-accent: #253a7a;        /* headings, links */
  --color-accent-hover: #1a2d63;
  --color-tint: #eef2fa;          /* tags, placeholders, footer */
  --color-border: #e3e7f0;
  --color-overlay: rgba(26, 45, 99, 0.88);  /* card hover overlay (navy) */

  /* Type */
  --font: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --text-base: 1.0625rem;         /* 17px */
  --text-small: 0.875rem;
  --line-height: 1.65;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4.5rem;
  --space-8: 6rem;

  /* Layout */
  --max-width: 80rem;             /* widest content: home grid + detail pages */
  --text-width: var(--max-width); /* detail-page column: full width, like Phantom.
                                     Set e.g. 60rem for a narrower column. */
  --gutter: 2.5rem;               /* left/right page padding */
  --grid-gap: 1.5rem;             /* space between cards */
  --header-height: 4.25rem;

  /* Shape & motion */
  --radius: 6px;
  --radius-small: 4px;
  --shadow-menu: 0 12px 32px rgba(31, 36, 51, 0.12);
  --transition: 0.2s ease;
}


/* ── 2. Base ───────────────────────────────────────────── */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-height) + var(--space-3));
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-top: var(--header-height);  /* room for the fixed top bar */
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font);
  font-size: var(--text-base);
  line-height: var(--line-height);
  -webkit-font-smoothing: antialiased;
}

main {
  flex: 1;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

h1, h2, h3, h4 {
  margin: 0 0 var(--space-3);
  color: var(--color-accent);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2rem, 1.4rem + 2.4vw, 3rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.375rem, 1.2rem + 0.7vw, 1.75rem);
}

h3 {
  font-size: 1.125rem;
}

p {
  margin: 0 0 var(--space-4);
}

a {
  color: var(--color-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: color var(--transition), background-color var(--transition);
}

a:hover {
  color: var(--color-accent-hover);
}

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


/* ── 3. Layout ─────────────────────────────────────────── */

.container {
  width: 100%;
  max-width: calc(var(--max-width) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: var(--space-7);
}

.section + .section {
  padding-top: 0;
}

.section__title {
  margin-bottom: var(--space-5);
}


/* ── 4. Top bar & menus ────────────────────────────────── */

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.topbar__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.topbar__brand {
  color: var(--color-accent);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-decoration: none;
}

/* Hamburger (phones only, see Responsive) */
.topbar__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 2.75rem;
  height: 2.75rem;
  margin-right: -0.5rem;
  padding: 0;
  background: none;
  border: 0;
  border-radius: var(--radius-small);
  cursor: pointer;
}

.topbar__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
}

.topbar__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.topbar__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.topbar__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav__link,
.nav__button {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0.8rem;
  background: none;
  border: 0;
  border-radius: var(--radius-small);
  color: var(--color-text);
  font: inherit;
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.4;
  text-decoration: none;
  cursor: pointer;
}

.nav__link:hover,
.nav__button:hover,
.nav__dropdown.is-open .nav__button {
  background: var(--color-tint);
  color: var(--color-accent);
}

.nav__link[aria-current="page"],
.nav__button.is-active {
  color: var(--color-accent);
  font-weight: 600;
}

.nav__chevron {
  width: 0.75em;
  height: 0.75em;
}

.nav__dropdown {
  position: relative;
}

.nav__menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  min-width: 19rem;
  margin: 0;
  padding: var(--space-2);
  list-style: none;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-menu);
}

.nav__dropdown.is-open .nav__menu {
  display: block;
}

.nav__menu a {
  display: block;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-small);
  color: var(--color-text);
  font-size: 0.9375rem;
  line-height: 1.35;
  text-decoration: none;
}

/* Job title under a company name in the dropdown */
.nav__role {
  display: block;
  margin-top: 0.1rem;
  color: var(--color-muted);
  font-size: 0.8125rem;
}

.nav__menu a:hover,
.nav__menu a[aria-current="page"] {
  background: var(--color-tint);
  color: var(--color-accent);
}

.nav__group-label {
  margin-top: var(--space-2);
  padding: var(--space-2) 0.75rem var(--space-1);
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}


/* ── 5. Cards & card grids ─────────────────────────────── */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--grid-gap);
}

/* Picture-only card: title + one-line description fade in on hover */
.card {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: var(--radius);
  color: var(--color-bg);
  text-decoration: none;
}

.card:hover {
  color: var(--color-bg);
}

.card__media {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--color-tint);
}

/* Card without a photo yet: shows its title on the light box */
.card__placeholder {
  border-radius: 0;
  color: var(--color-accent);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.35;
}

.card__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4);
  background: var(--color-overlay);
  text-align: center;
  opacity: 0;
  transition: opacity var(--transition);
}

.card:hover .card__overlay,
.card:focus-visible .card__overlay {
  opacity: 1;
}

.card__title {
  margin: 0;
  color: inherit;
  font-size: 1.125rem;
}

.card__role {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 600;
}

.card__blurb {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.5;
  opacity: 0.9;
}

/* Touch screens can't hover: keep the title visible at the bottom of the photo */
@media (hover: none) {
  .card__overlay {
    opacity: 1;
    justify-content: flex-end;
    align-items: flex-start;
    padding: var(--space-3);
    background: linear-gradient(to top, var(--color-overlay), transparent 65%);
    text-align: left;
  }

  .card__blurb {
    display: none;
  }

  .card--no-photo .card__overlay {
    display: none;
  }
}


/* ── 6. Placeholders ───────────────────────────────────── */

/* "Photo coming soon" box. Same 4:3 shape as a photo by default;
   it picks up the hero / card shape when it replaces those images. */
.placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  aspect-ratio: 4 / 3;
  padding: var(--space-3);
  background: var(--color-tint);
  border-radius: var(--radius);
  color: var(--color-muted);
  font-size: var(--text-small);
  font-weight: 500;
  text-align: center;
}


/* ── 7. Home page ──────────────────────────────────────── */

.intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;   /* text left, portrait right */
  align-items: center;
  gap: var(--space-6);
  padding-block: var(--space-7) var(--space-5);
}

.intro__portrait {
  width: 17rem;
  border-radius: var(--radius);
}

.intro__name {
  margin-bottom: var(--space-2);
}

.intro__subtitle {
  margin-bottom: var(--space-4);
  color: var(--color-muted);
  font-size: 1.125rem;
  font-weight: 500;
}

.intro__bio {
  margin: 0;
}


/* ── 8. Detail pages ───────────────────────────────────── */

.page {
  max-width: calc(var(--text-width) + 2 * var(--gutter));
  padding-top: var(--space-6);
}

.page-hero {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: var(--space-5);
}

/* Product renders / photos on white: show the whole image instead of cropping
   (and never enlarge a small image beyond its real size) */
img.page-hero--contain {
  object-fit: scale-down;
  background: var(--color-bg);
}

/* Hero that keeps its own shape (e.g. a looping video) instead of being cropped to 16:9 */
.page-hero--natural {
  display: block;
  height: auto;
  aspect-ratio: auto;
}

/* Small photo: keep its own shape at a modest size instead of a full-width box */
.page-hero--small {
  display: block;
  max-width: 40rem;
  height: auto;
  aspect-ratio: auto;
  margin-left: auto;
  margin-right: auto;
}

/* Photo whose subject sits low in the frame: crop from the top instead of both ends */
.page-hero--bottom {
  object-position: center bottom;
}

/* Photo credit right under a hero that isn't Pia's own photo */
.page-hero__credit {
  margin-top: calc(var(--space-2) - var(--space-5));
  margin-bottom: var(--space-5);
  color: var(--color-muted);
  font-size: var(--text-small);
  text-align: center;
}

.page-tagline {
  color: var(--color-muted);
  font-size: 1.1875rem;
  line-height: 1.5;
}

.prose {
  margin-top: var(--space-6);
}

.prose h2 {
  margin-top: var(--space-6);
}

.prose h3 {
  margin: var(--space-5) 0 var(--space-2);
  color: var(--color-text);
}

.prose > :first-child {
  margin-top: 0;
}

.prose ul,
.prose ol {
  margin: 0 0 var(--space-4);
  padding-left: 1.25rem;
}

.prose li + li {
  margin-top: var(--space-2);
}

.prose figure {
  margin: var(--space-5) 0;
}

/* Inline images show at their natural size (never stretched), centred */
.prose figure img,
.prose figure video {
  width: auto;
  max-width: 100%;
  max-height: 80vh;
  margin-inline: auto;
  border-radius: var(--radius);
}

.prose figure .placeholder {
  width: 100%;
}

/* A smaller inline image: <figure class="figure--small"> */
.prose .figure--small img {
  max-height: 22rem;
}

.prose figure video {
  display: block;
  width: 100%;
  max-width: 48rem;
  height: auto;
  background: #000;
}

/* Phone-shot (vertical) videos: keep them narrow */
.prose figure video.video--portrait {
  max-width: 22rem;
}

/* Embedded YouTube / Google Drive player:
   <div class="embed"><iframe ...></iframe></div>  (add embed--portrait for Shorts) */
.embed {
  width: 100%;
  max-width: 48rem;
  aspect-ratio: 16 / 9;
  margin-inline: auto;
  border-radius: var(--radius);
  overflow: hidden;
  background: #000;
}

.embed--portrait {
  max-width: 22rem;
  aspect-ratio: 9 / 16;
}

.embed iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

/* Several images side by side with one shared caption:
   <figure><div class="gallery"><img ...><img ...></div><figcaption>...</figcaption></figure> */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  align-items: center;
  gap: var(--space-4);
}

.prose .gallery img {
  max-height: 28rem;
  object-fit: contain;
}

.prose .figure--small .gallery img {
  max-height: 22rem;
}

.prose .gallery video {
  max-width: 100%;
}

.prose figcaption {
  margin-top: var(--space-2);
  color: var(--color-muted);
  font-size: var(--text-small);
  text-align: center;
}


/* ── 9. "More work" row ────────────────────────────────── */

.more-work {
  margin-top: var(--space-7);
  padding-block: var(--space-6) var(--space-7);
  border-top: 1px solid var(--color-border);
}

.more-work__title {
  margin-bottom: var(--space-5);
}


/* ── 10. Footer ────────────────────────────────────────── */

.site-footer {
  background: var(--color-tint);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  padding-block: var(--space-7) var(--space-6);
}

.footer__heading {
  font-size: 1.25rem;
}

.footer__inner p {
  margin-bottom: var(--space-2);
}

.footer__email {
  color: var(--color-text);
  font-weight: 600;
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer__links a {
  display: inline-block;
  padding: 0.45rem 1.1rem;
  border: 1px solid var(--color-accent);
  border-radius: 999px;
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
}

.footer__links a:hover {
  background: var(--color-accent);
  color: var(--color-bg);
}

.footer__copy {
  margin: 0;
  padding-block: var(--space-4) var(--space-5);
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: var(--text-small);
}


/* ── 11. Responsive ────────────────────────────────────── */

/* Tablet: 2 columns */
@media (max-width: 1000px) {
  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Top bar collapses into the hamburger menu */
@media (max-width: 860px) {
  .topbar__toggle {
    display: inline-flex;
  }

  .topbar__nav {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
    padding: var(--space-2) var(--gutter) var(--space-4);
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-menu);
  }

  .topbar.is-open .topbar__nav {
    display: block;
  }

  .nav {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav__link,
  .nav__button {
    width: 100%;
    justify-content: space-between;
    padding: 0.75rem 0.5rem;
    font-size: 1rem;
  }

  .nav__dropdown.is-open .nav__chevron {
    transform: rotate(180deg);
  }

  .nav__menu {
    position: static;
    min-width: 0;
    margin: 0 0 var(--space-2) var(--space-2);
    padding: 0 0 0 var(--space-2);
    border: 0;
    border-left: 2px solid var(--color-border);
    border-radius: 0;
    box-shadow: none;
  }

  .nav__group-label {
    border-top: 0;
  }
}

/* Phone: 1 column, tighter spacing */
@media (max-width: 600px) {
  :root {
    --gutter: 1.25rem;
    --space-7: 3rem;
    --grid-gap: 1rem;
  }

  .card-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer__inner {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }

  .intro {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-4);
    padding-top: var(--space-6);
  }

  .intro__portrait {
    order: -1;              /* on phones the photo sits above the text */
    width: 11rem;
    justify-self: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}