/* =========================================================================
   Abhiram Rachamadugu — image-led editorial grid
   The chrome recedes; the photographs carry the page.

   Contents
     1  Tokens
     2  Reset & base
     3  Utilities
     4  Masthead
     5  Home hero
     6  Work grid & cards
     7  Project page
     8  Résumé
     9  Footer
    10  Responsive
    11  Motion & print
   ========================================================================= */

/* 1  TOKENS ---------------------------------------------------------------- */
:root {
  /* palette — warm neutral, one accent */
  --ground:    #FAF8F5;
  --surface:   #FFFFFF;
  --ink:       #1A1917;
  --ink-soft:  #5C5952;
  --ink-faint: #8E8A81;
  --rule:      #E4E0D8;
  --accent:    #B4442A;   /* links & focus only — never decorative */
  --accent-tint: rgba(180, 68, 42, 0.14);

  /* type */
  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --mono:  "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  /* measure & rhythm */
  --wrap:    1180px;   /* masthead, grid, footer            */
  --mid:      960px;   /* project hero (breaks out of prose) */
  --measure:  720px;   /* prose — held at 680–720 always     */
  --pad: clamp(1.25rem, 5vw, 2.5rem);

  --tr: 240ms cubic-bezier(.2, .6, .2, 1);
}

/* 2  RESET & BASE ---------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.7;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 { font-weight: 600; line-height: 1.12; margin: 0; letter-spacing: -0.01em; }

img, picture, svg { display: block; max-width: 100%; }

a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
  transition: text-decoration-thickness var(--tr), color var(--tr);
}
a:hover { text-decoration-thickness: 2px; }

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

::selection { background: var(--accent-tint); }

/* 3  UTILITIES ------------------------------------------------------------- */
.wrap    { max-width: var(--wrap); margin-inline: auto; padding-inline: var(--pad); }
.measure { max-width: var(--measure); margin-inline: auto; padding-inline: var(--pad); }

.mono { font-family: var(--mono); font-weight: 400; font-feature-settings: "liga" 0; }
.muted { color: var(--ink-faint); }
.sep, .dot { color: var(--ink-faint); padding-inline: 0.3em; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--ink); color: var(--ground);
  padding: 0.6rem 1rem; font-family: var(--mono); font-size: 0.85rem;
  text-decoration: none; border-radius: 0 0 4px 0;
}
.skip-link:focus { left: 0; }

/* captions — small serif, never mono (mono is reserved for metadata) */
.caption {
  font-size: 0.86rem;
  line-height: 1.55;
  color: var(--ink-soft);
  margin-top: 0.7rem;
}

/* 4  MASTHEAD (inner pages only) ------------------------------------------ */
.masthead {
  border-bottom: 1px solid var(--rule);
  background: var(--ground);
}
.masthead-inner {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 1rem; padding-block: 1.05rem;
}
.masthead-name {
  font-family: var(--serif); font-weight: 600; font-size: 1.06rem;
  letter-spacing: -0.01em; text-decoration: none; color: var(--ink);
}
.masthead-name:hover { text-decoration: underline; text-decoration-color: var(--accent); }
.masthead-nav { display: flex; gap: 1.4rem; }
.masthead-nav a {
  font-family: var(--mono); font-size: 0.82rem; color: var(--ink-soft);
  text-decoration: none;
}
.masthead-nav a:hover { color: var(--ink); text-decoration: underline; text-decoration-color: var(--accent); }

/* 5  HOME HERO ------------------------------------------------------------- */
.hero {
  position: relative;
  width: 100%;
  height: clamp(560px, 96vh, 980px);
  overflow: hidden;
  background: #141210;
}
.hero-media, .hero-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
}
.hero::after {                       /* scrim: darken bottom-left for the text, keep the sparks bright */
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(to top,   rgba(18,16,14,.80) 0%, rgba(18,16,14,.30) 26%, transparent 50%),
    linear-gradient(to right, rgba(18,16,14,.55) 0%, transparent 44%),
    linear-gradient(to bottom, rgba(18,16,14,.34) 0%, transparent 16%);
}

.hero-caption {
  position: absolute; left: 0; right: 0; bottom: clamp(1.6rem, 4vh, 3rem);
  z-index: 2; color: #FBF7F1;
}
.hero-name {
  font-size: clamp(2.7rem, 7.5vw, 5.4rem);
  line-height: 0.98; letter-spacing: -0.02em; font-weight: 600;
  max-width: 14ch;
  text-shadow: 0 1px 2px rgba(0,0,0,.45), 0 2px 34px rgba(0,0,0,.4);
}
.hero-tagline {
  margin: 0.7rem 0 0;
  font-size: clamp(1.02rem, 1.8vw, 1.4rem);
  line-height: 1.4; color: rgba(251,247,241,.9); max-width: 46ch;
  text-shadow: 0 1px 20px rgba(0,0,0,.4);
}
.hero-credit {
  margin: 1.15rem 0 0;
  font-size: 0.72rem; letter-spacing: 0.02em;
  color: rgba(251,247,241,.62);
  text-shadow: 0 1px 8px rgba(0,0,0,.5);
}

/* 5b  HIGHLIGHTS (home, below the hero) ------------------------------------ */
.highlights {
  padding-top: clamp(2.5rem, 5vw, 4rem);
}
.highlights-intro {
  max-width: 79ch;
  margin: 0 0 clamp(1.5rem, 3vw, 2rem);
  font-size: 1.05rem; line-height: 1.55; color: var(--ink);
}
.highlights-row {
  display: flex; flex-wrap: wrap; align-items: flex-start;
  justify-content: space-between; gap: 1.5rem clamp(2rem, 5vw, 4rem);
}
.highlights-list {
  flex: 0 1 auto;
  list-style: none; margin: 0; padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.7rem;
}
.highlights-resume {
  flex: 0 0 auto; align-self: flex-start;
  font-family: var(--mono); font-size: 0.85rem; color: var(--ink);
  text-decoration: none; border: 1px solid var(--ink); border-radius: 3px;
  padding: 0.6rem 1.2rem; transition: background var(--tr), color var(--tr);
}
.highlights-resume:hover { background: var(--ink); color: var(--ground); }
.highlights-list li {
  position: relative; margin: 0; padding-left: 1.35em;
  font-size: 1.05rem; line-height: 1.5; color: var(--ink);
}
.highlights-list li::before {
  content: ""; position: absolute; left: 0; top: 0.62em;
  width: 6px; height: 6px; border-radius: 50%; background: var(--ink-faint);
}

/* 6  WORK GRID & CARDS ----------------------------------------------------- */
.work {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(2.2rem, 4vw, 3.6rem) clamp(1.5rem, 3vw, 2.75rem);
  padding-top: clamp(2.75rem, 6vw, 4.75rem);
  padding-bottom: clamp(3rem, 7vw, 5.5rem);
  align-items: start;
}

.card { position: relative; display: flex; flex-direction: column; }

.card-frame {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--rule);
  border: 1px solid var(--rule);      /* hairline — defines light-backed tiles */
  border-radius: 2px;
}
.card-img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 600ms cubic-bezier(.2,.6,.2,1);
}
.card:hover .card-img,
.card:focus-within .card-img { transform: scale(1.045); }

.card-placeholder {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  background:
    repeating-linear-gradient(-45deg, transparent, transparent 9px, rgba(142,138,129,.10) 9px, rgba(142,138,129,.10) 10px),
    var(--ground);
}
.card-placeholder .mono { font-size: 0.75rem; letter-spacing: 0.08em; color: var(--ink-faint); }

.card-body { padding-top: 0.95rem; }

.card-title {
  font-size: clamp(1.24rem, 2.1vw, 1.5rem);
  line-height: 1.16; letter-spacing: -0.015em;
  min-height: 2.32em;                 /* reserve two lines -> uniform heights */
}
.card-link { color: var(--ink); text-decoration: none; }
.card-link::after { content: ""; position: absolute; inset: 0; }  /* stretch over card */
.card:hover .card-title,
.card:focus-within .card-title { text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 0.14em; }
.card:focus-within { outline: 2px solid var(--accent); outline-offset: 6px; border-radius: 2px; }
.card-link:focus-visible { outline: none; }   /* focus shown on the whole card */

.card-meta {
  margin: 0.55rem 0 0;
  font-size: 0.76rem; color: var(--ink-soft);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.card-line {
  margin: 0.5rem 0 0;
  font-size: 1rem; line-height: 1.42; color: var(--ink-soft);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  min-height: 2.84em;                 /* reserve two lines */
}

/* 7  PROJECT PAGE ---------------------------------------------------------- */
.project { padding-top: clamp(2rem, 5vw, 3.5rem); padding-bottom: clamp(3rem, 7vw, 5rem); }

.project-title { font-size: clamp(2rem, 4.6vw, 3.05rem); line-height: 1.05; }

.meta-block {
  display: flex; flex-wrap: wrap;
  gap: 1.1rem 2.1rem;
  margin: 1.6rem 0 0;
  padding-top: 1.3rem;
  border-top: 1px solid var(--rule);
}
.meta-item { margin: 0; }
.meta-item dt {
  font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.04em;
  color: var(--ink-faint); margin-bottom: 0.25rem;
}
.meta-item dd { margin: 0; font-family: var(--mono); font-size: 0.85rem; color: var(--ink); }
.meta-lead dd { font-size: 1.02rem; letter-spacing: -0.01em; }
.meta-lead .status { text-transform: none; }
.meta-lead dd .muted { font-size: 0.9rem; }
.meta-wide { flex-basis: 100%; }
.meta-wide dd { font-family: var(--serif); font-size: 0.98rem; color: var(--ink-soft); line-height: 1.5; max-width: 60ch; }

.project-hero {
  max-width: var(--mid);
  margin: clamp(2rem, 5vw, 3.25rem) auto 0;
  padding-inline: var(--pad);
}
.project-hero img { width: 100%; height: auto; border: 1px solid var(--rule); border-radius: 2px; }
.project-hero figcaption { max-width: 60ch; }

/* prose ------------------------------------------------------------------- */
.prose { margin-top: clamp(2.25rem, 5vw, 3.5rem); }
.prose > *:first-child { margin-top: 0; }
.prose p { margin: 0 0 1.35em; }
.prose h2 {
  font-size: clamp(1.4rem, 2.4vw, 1.6rem);
  line-height: 1.2; margin: 2.6em 0 0.7em;
}
.prose h2 + p { margin-top: 0; }
.prose h3 { font-size: 1.16rem; margin: 2em 0 0.5em; }
.prose strong { font-weight: 600; color: var(--ink); }
.prose em { font-style: italic; }
.prose a { color: var(--ink); text-decoration-color: var(--accent); }
.prose a:hover { color: var(--accent); }

.prose ul, .prose ol { margin: 0 0 1.35em; padding-left: 1.3em; }
.prose li { margin-bottom: 0.5em; }
.prose li::marker { color: var(--ink-faint); }

/* figures & galleries live inside the prose column */
.prose figure { margin: 2.4em 0; }
.prose figure img { width: 100%; height: auto; border: 1px solid var(--rule); border-radius: 2px; background: var(--rule); }
.prose figcaption { font-size: 0.86rem; line-height: 1.55; color: var(--ink-soft); margin-top: 0.7rem; }

/* material table (bionic arm) */
.prose table {
  width: 100%; border-collapse: collapse; margin: 2em 0;
  font-size: 0.92rem; line-height: 1.5;
}
.prose thead th {
  text-align: left; font-family: var(--mono); font-weight: 500;
  font-size: 0.72rem; letter-spacing: 0.03em; color: var(--ink-soft);
  border-bottom: 1.5px solid var(--ink); padding: 0 0.9em 0.55em 0;
  vertical-align: bottom;
}
.prose tbody td { padding: 0.7em 0.9em 0.7em 0; border-bottom: 1px solid var(--rule); vertical-align: top; }
.prose tbody tr td:first-child { font-family: var(--mono); font-size: 0.82rem; white-space: nowrap; color: var(--ink); }
.prose tbody tr:last-child td { border-bottom: none; }

/* video poster (solar dryer) */
.prose .video-poster { display: block; position: relative; text-decoration: none; border-radius: 2px; overflow: hidden; }
.prose .video-poster::after {
  content: ""; position: absolute; inset: 0; margin: auto;
  width: 66px; height: 66px; border-radius: 50%;
  background: rgba(20,18,16,.55) no-repeat center;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M8 5v14l11-7z' fill='%23fff'/%3E%3C/svg%3E");
  transition: background-color var(--tr), transform var(--tr);
}
.prose .video-poster:hover::after { background-color: var(--accent); transform: scale(1.06); }

.links-out { margin-top: 3rem; }
.links-out h2 { font-size: 1.2rem; }

.work-foot { margin-top: clamp(3rem, 6vw, 4.5rem); }
.back-link {
  font-family: var(--mono); font-size: 0.82rem; color: var(--ink-soft);
  text-decoration: none;
}
.back-link:hover { color: var(--ink); text-decoration: underline; text-decoration-color: var(--accent); }

/* 8  RÉSUMÉ ---------------------------------------------------------------- */
.resume { padding-top: clamp(2rem, 5vw, 3.5rem); padding-bottom: clamp(3rem, 7vw, 5rem); }
.resume-head { border-bottom: 1px solid var(--rule); padding-bottom: 1.6rem; margin-bottom: 2.2rem; }
.resume-name { font-size: clamp(2rem, 4.6vw, 2.9rem); line-height: 1.04; }
.resume-role { margin: 0.6rem 0 0; font-size: 0.9rem; color: var(--ink-soft); }
.resume-status { margin: 0.5rem 0 0; font-size: 0.78rem; letter-spacing: 0.03em; color: var(--ink); }
.resume-contact { margin: 0.9rem 0 0; font-size: 0.8rem; color: var(--ink-soft); line-height: 1.8; }
.resume-contact a { color: var(--ink-soft); text-decoration: none; }
.resume-contact a:hover { color: var(--ink); text-decoration: underline; text-decoration-color: var(--accent); }
.resume-download {
  display: inline-block; margin-top: 1.4rem;
  font-family: var(--mono); font-size: 0.82rem; color: var(--ink);
  text-decoration: none; border: 1px solid var(--ink); border-radius: 3px;
  padding: 0.55rem 1.05rem; transition: background var(--tr), color var(--tr);
}
.resume-download:hover { background: var(--ink); color: var(--ground); }

.resume section { margin-bottom: 2.6rem; }
.resume section > h2 {
  font-size: 0.76rem; font-family: var(--mono); font-weight: 500;
  letter-spacing: 0.06em; color: var(--ink-faint);
  padding-bottom: 0.6rem; margin-bottom: 1.4rem; border-bottom: 1px solid var(--rule);
}
.resume .entry { margin-bottom: 1.7rem; display: grid; grid-template-columns: 1fr auto; column-gap: 1.5rem; }
.entry-title { font-weight: 600; font-size: 1.08rem; }
.entry-dates { font-family: var(--mono); font-size: 0.78rem; color: var(--ink-soft); text-align: right; white-space: nowrap; padding-top: 0.2rem; }
.entry-org { color: var(--ink-soft); }
.entry-place { font-family: var(--mono); font-size: 0.75rem; color: var(--ink-faint); margin-top: 0.1rem; }
.entry-body { grid-column: 1 / -1; margin-top: 0.55rem; }
.entry-body ul { margin: 0; padding-left: 1.2em; }
.entry-body li { margin-bottom: 0.35em; }
.entry-body li::marker { color: var(--ink-faint); }
.resume section p { margin: 0.4em 0; }

/* 9  FOOTER ---------------------------------------------------------------- */
.footer { border-top: 1px solid var(--rule); background: var(--surface); margin-top: 0; }
.footer-inner {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2rem 3rem;
  padding-block: clamp(2.5rem, 5vw, 3.75rem);
}
.footer-lead { align-self: start; }
.footer-name { font-family: var(--serif); font-weight: 600; font-size: 1.4rem; letter-spacing: -0.01em; margin: 0; }
.footer-tag { margin: 0.5rem 0 0; font-size: 0.76rem; color: var(--ink-faint); }

.contact { margin: 0; }
.contact-row { display: grid; grid-template-columns: 5.5rem 1fr; gap: 0.6rem 1rem; padding: 0.55rem 0; border-top: 1px solid var(--rule); align-items: baseline; }
.contact-row:first-child { border-top: none; }
.mono-label { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.03em; color: var(--ink-faint); }
.contact dd { margin: 0; font-size: 0.95rem; }
.contact dd a { color: var(--ink); text-decoration: none; }
.contact dd a:hover { text-decoration: underline; text-decoration-color: var(--accent); }

/* 10  RESPONSIVE ----------------------------------------------------------- */
@media (max-width: 700px) {
  body { font-size: 16px; }
  .work { grid-template-columns: 1fr; gap: clamp(2rem, 8vw, 2.75rem); }
  .card-title { min-height: 0; }
  .card-line { min-height: 0; -webkit-line-clamp: 3; }
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
  .hero { height: 82vh; min-height: 460px; }
  .resume .entry { grid-template-columns: 1fr; }
  .entry-dates { text-align: left; margin-top: 0.15rem; padding-top: 0; }
}

@media (max-width: 430px) {
  .contact-row { grid-template-columns: 1fr; gap: 0.15rem; padding: 0.6rem 0; }
  .prose table { font-size: 0.8rem; }
  .prose tbody tr td:first-child { white-space: normal; }
  .masthead-nav { gap: 1rem; }
}

/* 11  MOTION & PRINT ------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  .card:hover .card-img, .card:focus-within .card-img { transform: none; }
}

@media print {
  .masthead, .footer, .hero-resume, .work-foot, .resume-download { display: none; }
  body { background: #fff; color: #000; font-size: 11pt; }
  a { color: #000; text-decoration: none; }
  .resume { padding: 0; }
}