/* Samyak Singh – portfolio. Solid colour blocks, hard shadows, no gradients.
   Mobile-first: base styles are for phones, then tablet (≥640px) and desktop (≥1024px). */
:root {
  --canvas: #f4f1ea;
  --card: #ffffff;
  --ink: #141414;
  --muted: #5d5a54;
  --lime: #d8f65c;
  --coral: #ff7a59;
  --sky: #8ccbff;
  --lilac: #c9b8ff;
  --sun: #ffd64d;
  --mint: #9ee6c3;
  --on-color: #141414;   /* text on the bright colour blocks, in both themes */
  --inv-bg: #141414;     /* "inverted" blocks: black in light mode */
  --inv-fg: #ffffff;
  --inv-muted: #cfcfcf;
  --art-bg: #fff8e1;
  --block-bg: #c9b8ff;   /* contact / mail blocks: soft lilac in light mode */
  --block-fg: #141414;
  --block-muted: #3d3a35;
  --radius: 20px;
  --shadow: 4px 4px 0 var(--ink);
  --gap: 12px;
  --pad: 20px;
  --ease: cubic-bezier(.2, .8, .2, 1);
  --spring: cubic-bezier(.34, 1.56, .64, 1);
  color-scheme: only light;   /* "only" stops browsers forcing their own dark mode */
}
/* dark theme: only when the visitor picks it with the toggle (html[data-theme="dark"]) */
:root[data-theme="dark"] {
  --canvas: #111113; --card: #1c1c20; --ink: #ece9e1; --muted: #a9a59c;
  --inv-bg: #ece9e1; --inv-fg: #141414; --inv-muted: #4a4741; --art-bg: #fff3cf;
  --block-bg: #24212e; --block-fg: #ece9e1; --block-muted: #b9b4c9;
  color-scheme: only dark;
}
body { transition: background-color .3s, color .3s; }
@media (min-width: 640px) { :root { --gap: 16px; --pad: 26px; --radius: 22px; --shadow: 5px 5px 0 var(--ink); } }

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 96px; }
body { margin: 0; background: var(--canvas); color: var(--ink); font: 16px/1.6 "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; overflow-x: hidden; }
@media (min-width: 640px) { body { font-size: 17px; } }
a { color: inherit; }
img, svg { max-width: 100%; display: block; }
.wrap { width: min(1140px, 100% - 28px); margin-inline: auto; }
@media (min-width: 640px) { .wrap { width: min(1140px, 100% - 48px); } }
.display { font-family: "Space Grotesk", "Inter", system-ui, sans-serif; letter-spacing: -.03em; }
::selection { background: var(--lime); }

/* colours */
.card { background: var(--card); border: 2px solid var(--ink); border-radius: var(--radius); box-shadow: var(--shadow); transition: transform .25s var(--spring), box-shadow .25s var(--spring); }
a.card, .card.lift { text-decoration: none; }
@media (hover: hover) {
  a.card:hover, .card.lift:hover { transform: translate(-3px, -3px); box-shadow: 8px 8px 0 var(--ink); }
}
.label { color: var(--ink); display: inline-block; align-self: flex-start; width: fit-content; font: 600 11px/1 "Inter", sans-serif; letter-spacing: .08em; text-transform: uppercase; padding: 6px 10px; border: 2px solid var(--ink); border-radius: 999px; background: var(--card); white-space: nowrap; }
.c-lime { background: var(--lime); } .c-coral { background: var(--coral); } .c-sky { background: var(--sky); }
.c-lilac { background: var(--lilac); } .c-sun { background: var(--sun); } .c-mint { background: var(--mint); }
.c-lime, .c-coral, .c-sky, .c-lilac, .c-sun, .c-mint { color: var(--on-color); }
.c-ink { background: var(--block-bg); color: var(--block-fg); }

/* ── nav ─────────────────────────────────────────────────────────── */
.nav { position: sticky; top: 10px; z-index: 30; margin-top: 10px; }
.nav .bar { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 12px; background: var(--card); border: 2px solid var(--ink); border-radius: 999px; padding: 6px 6px 6px 16px; box-shadow: 3px 3px 0 var(--ink); }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; text-decoration: none; white-space: nowrap; }
.brand .dot { width: 12px; height: 12px; border-radius: 50%; background: var(--coral); border: 2px solid var(--ink); flex: none; }
.nav .links { display: none; gap: 4px; }
.nav .links a { text-decoration: none; padding: 8px 14px; border-radius: 999px; font-size: 15px; font-weight: 500; transition: background .2s; }
.nav .links a:hover { background: var(--canvas); }
.nav .links a.cta { background: var(--inv-bg); color: var(--inv-fg); }
.menu summary { list-style: none; cursor: pointer; width: 44px; height: 40px; border-radius: 999px; background: var(--inv-bg); display: grid; place-content: center; gap: 4px; }
.menu summary::-webkit-details-marker { display: none; }
.menu summary span { display: block; width: 18px; height: 2px; background: var(--inv-fg); border-radius: 2px; transition: transform .25s var(--ease), opacity .2s; }
.menu[open] summary span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu[open] summary span:nth-child(2) { opacity: 0; }
.menu[open] summary span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
.menu-panel { position: absolute; right: 0; left: 0; top: calc(100% + 10px); display: flex; flex-direction: column; padding: 8px; animation: drop .25s var(--ease); }
.menu-panel a { padding: 12px 14px; border-radius: 12px; text-decoration: none; font-weight: 600; }
.menu-panel a:hover, .menu-panel a:focus { background: var(--canvas); }
@keyframes drop { from { opacity: 0; transform: translateY(-6px); } }
@media (min-width: 860px) {
  .nav .links { display: flex; }
  .menu { display: none; }
}

/* theme toggle */
.nav .tools { display: flex; align-items: center; gap: 6px; }
.theme-toggle { width: 40px; height: 40px; border-radius: 999px; border: 2px solid var(--ink); background: var(--card); color: var(--ink); display: grid; place-items: center; cursor: pointer; transition: transform .3s var(--spring); }
.theme-toggle:hover { transform: rotate(-20deg); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .moon { display: none; }
:root[data-theme="dark"] .theme-toggle .sun { display: none; }
:root[data-theme="dark"] .theme-toggle .moon { display: block; }

/* ── buttons ─────────────────────────────────────────────────────── */
.actions { display: flex; flex-wrap: wrap; gap: 10px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 11px 18px; border: 2px solid var(--ink); border-radius: 999px; text-decoration: none; font-weight: 600; background: var(--card); box-shadow: 3px 3px 0 var(--ink); transition: transform .2s var(--spring), box-shadow .2s var(--spring); }
@media (hover: hover) { .btn:hover { transform: translate(-2px, -2px); box-shadow: 5px 5px 0 var(--ink); } }
.btn:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--ink); }
.btn.dark { background: var(--inv-bg); color: var(--inv-fg); }

/* ── hero bento (phone first) ────────────────────────────────────── */
.hero { padding: 24px 0 8px; }
.bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--gap); }
.bento > * { grid-column: span 6; min-width: 0; }
.b-intro { padding: var(--pad); display: flex; flex-direction: column; justify-content: space-between; gap: 22px; }
.b-intro h1 { font-size: clamp(34px, 9vw, 72px); line-height: 1.14; margin: 16px 0 14px; font-weight: 700; overflow-wrap: anywhere; }
.b-intro h1 .hl { color: var(--on-color); background: var(--lime); padding: 0 .1em; border-radius: 10px; border: 2px solid var(--ink); box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.b-intro p { margin: 0; max-width: 560px; color: var(--muted); font-size: 1.05em; }
.b-photo { padding: 12px; display: flex; flex-direction: column; gap: 10px; }
.b-photo .art { border-radius: 14px; border: 2px solid var(--ink); background: var(--art-bg); overflow: hidden; aspect-ratio: 1; width: 100%; max-height: 360px; margin-inline: auto; }
.b-photo .art svg { width: 100%; height: 100%; }
.b-photo .cap { display: flex; justify-content: space-between; align-items: center; font-weight: 600; padding: 0 6px 2px; }
.b-now { padding: 20px; display: flex; flex-direction: column; justify-content: space-between; gap: 12px; }
.b-now b { font: 700 clamp(21px, 2.2vw, 24px)/1.15 "Space Grotesk", sans-serif; letter-spacing: -.02em; }
.b-stat { grid-column: span 2; padding: 14px; display: flex; flex-direction: column; justify-content: space-between; gap: 8px; min-height: 108px; }
.b-stat b { font: 700 clamp(24px, 7vw, 42px)/1 "Space Grotesk", sans-serif; letter-spacing: -.03em; }
.b-stat span { font-size: 12px; font-weight: 600; line-height: 1.3; }
.b-mail { padding: 20px; display: flex; flex-direction: column; justify-content: space-between; gap: 10px; text-decoration: none; }
.b-mail b { font: 700 clamp(17px, 1.8vw, 20px)/1.25 "Space Grotesk", sans-serif; overflow-wrap: break-word; }
.b-mail .arrow { font-size: 26px; transition: transform .3s var(--spring); }
.b-mail:hover .arrow { transform: translate(4px, -4px) rotate(-10deg); }

@media (min-width: 640px) {   /* tablet */
  .hero { padding-top: 32px; }
  .bento { grid-template-columns: repeat(12, 1fr); }
  .bento > * { grid-column: span 12; }
  .b-photo { grid-column: span 5; }
  .b-photo .art { max-height: none; }
  .b-now { grid-column: span 7; }
  .b-stat { grid-column: span 4; padding: 18px; min-height: 140px; }
  .b-stat span { font-size: 13px; }
  .b-mail { grid-column: span 12; flex-direction: row; align-items: center; }
}
@media (min-width: 1024px) {  /* desktop */
  .b-intro { grid-column: span 8; grid-row: span 2; padding: 36px; }
  .b-photo { grid-column: span 4; grid-row: span 2; }
  .b-photo .art { aspect-ratio: auto; flex: 1; min-height: 0; }
  .b-now { grid-column: span 3; }
  .b-stat { grid-column: span 2; }
  .b-mail { grid-column: span 3; flex-direction: column; align-items: stretch; }
}

/* skill ticker */
.ticker { overflow: hidden; border-block: 2px solid var(--ink); background: var(--sun); color: var(--on-color); margin: 32px 0 0; }
.ticker .track { display: flex; gap: 24px; width: max-content; padding: 12px 0; animation: slide 32s linear infinite; }
.ticker span { font: 700 clamp(17px, 2.4vw, 22px)/1 "Space Grotesk", sans-serif; white-space: nowrap; }
.ticker span.sep { opacity: .5; }
@keyframes slide { to { transform: translateX(-50%) } }

/* ── sections ────────────────────────────────────────────────────── */
section { padding: 56px 0 0; }
@media (min-width: 1024px) { section { padding-top: 80px; } }
.head { display: flex; align-items: end; justify-content: space-between; gap: 12px 24px; flex-wrap: wrap; margin-bottom: 20px; }
.head h2 { font-size: clamp(30px, 5vw, 52px); line-height: 1.02; margin: 12px 0 0; font-weight: 700; }
.head p { margin: 0; max-width: 420px; color: var(--muted); }

/* about */
.about { display: grid; gap: var(--gap); }
.about .text { padding: var(--pad); }
.about .text p { margin: 0 0 14px; font-size: 1.05em; }
.about .text p:last-child { margin: 0; }
.facts { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap); }
.fact { padding: 16px; }
.fact small { display: block; font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 6px; }
.fact b { font: 700 clamp(16px, 2vw, 19px)/1.25 "Space Grotesk", sans-serif; }
@media (min-width: 1024px) { .about { grid-template-columns: 1.4fr 1fr; } }

/* experience */
.jobs { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--gap); }
.job { display: grid; grid-template-columns: 48px 1fr; gap: 14px; padding: var(--pad); }
.job .logo { width: 48px; height: 48px; border-radius: 14px; border: 2px solid var(--ink); display: grid; place-items: center; font: 700 16px/1 "Space Grotesk", sans-serif; }
.job-main { min-width: 0; }
.job-top { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 4px 16px; }
.job h3 { margin: 0; font: 700 clamp(20px, 2.4vw, 24px)/1.15 "Space Grotesk", sans-serif; letter-spacing: -.02em; }
.job .when { font-weight: 600; color: var(--muted); font-size: 15px; white-space: nowrap; }
.job .org { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; color: var(--muted); margin: 6px 0 12px; font-size: 15px; }
.job .org b { color: var(--ink); }
.job .summary { margin: 0 0 8px; }
.job .points { margin: 0; padding-left: 18px; color: var(--muted); }
.job .points li { margin: 4px 0; }
.job .points li::marker { color: var(--coral); }
.chips.small { margin-top: 14px; }
.chips.small li { font-size: 12px; padding: 3px 9px; }
@media (min-width: 640px) {
  .job { grid-template-columns: 64px 1fr; gap: 22px; }
  .job .logo { width: 64px; height: 64px; border-radius: 18px; font-size: 20px; }
}

/* skills */
.skills { display: grid; gap: var(--gap); }
.skill { padding: 20px; }
.skill h3 { margin: 0 0 12px; font: 700 19px/1.1 "Space Grotesk", sans-serif; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0; padding: 0; }
.chips li { color: var(--ink); font-size: 14px; font-weight: 500; padding: 5px 11px; border: 2px solid var(--ink); border-radius: 999px; background: var(--card); transition: transform .2s var(--spring); }
@media (hover: hover) { .chips li:hover { transform: rotate(-3deg) scale(1.06); } }
@media (min-width: 560px) { .skills { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .skills { grid-template-columns: repeat(4, 1fr); } }

/* apps */
.apps { display: grid; gap: var(--gap); }
.app { display: flex; flex-direction: column; overflow: hidden; }
.app .top { padding: 18px 20px; border-bottom: 2px solid var(--ink); display: flex; align-items: center; justify-content: space-between; }
.app .top img { width: 64px; height: 64px; border-radius: 16px; border: 2px solid var(--ink); background: #fff; transition: transform .35s var(--spring); }
@media (hover: hover) { .app:hover .top img { transform: rotate(-8deg) scale(1.06); } }
.app .body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.app h3 { margin: 0; font: 700 20px/1.15 "Space Grotesk", sans-serif; letter-spacing: -.01em; }
.app p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.5; }
.app .meta { display: flex; flex-wrap: wrap; gap: 6px; }
.app .meta span { font-size: 12px; font-weight: 600; padding: 3px 9px; border: 2px solid var(--ink); border-radius: 999px; }
.app .links { margin-top: auto; display: flex; flex-wrap: wrap; gap: 8px; padding-top: 6px; }
.app .links a { font-size: 14px; font-weight: 600; text-decoration: none; padding: 8px 13px; border: 2px solid var(--ink); border-radius: 999px; transition: background .2s; }
.app .links a:hover { background: var(--canvas); }
.app .links a.play { background: var(--inv-bg); color: var(--inv-fg); }
@media (min-width: 640px) { .apps { grid-template-columns: repeat(2, 1fr); } .app .top img { width: 72px; height: 72px; border-radius: 18px; } }
@media (min-width: 1024px) { .apps { grid-template-columns: repeat(3, 1fr); } }

/* repos */
.repos { display: grid; gap: var(--gap); }
.repo { padding: 20px; display: flex; flex-direction: column; gap: 8px; color: var(--ink); }
.repo h3 { margin: 0; font: 700 20px/1.1 "Space Grotesk", sans-serif; }
.repo p { margin: 0; font-size: 14px; line-height: 1.5; flex: 1; }
.repo .stats { font-size: 13px; font-weight: 600; }
@media (min-width: 560px) { .repos { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .repos { grid-template-columns: repeat(4, 1fr); } }

/* contact */
.contact { margin: 56px 0 0; padding: 28px 22px; display: grid; gap: 22px; align-items: center; }
.contact h2 { font-size: clamp(34px, 6vw, 60px); line-height: 1; margin: 0 0 12px; font-weight: 700; }
.contact p { margin: 0; color: var(--block-muted); max-width: 440px; }
.contact .mail { display: inline-block; max-width: 100%; font: 700 clamp(17px, 2.4vw, 28px)/1.2 "Space Grotesk", sans-serif; color: var(--on-color); background: var(--lime); padding: 12px 18px; border-radius: 16px; border: 2px solid var(--on-color); text-decoration: none; overflow-wrap: anywhere; transition: transform .25s var(--spring); }
@media (hover: hover) { .contact .mail:hover { transform: rotate(-2deg) scale(1.03); } }
.contact .socials { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.contact .socials a { color: var(--block-fg); border: 2px solid var(--block-fg); border-radius: 999px; padding: 7px 14px; text-decoration: none; font-weight: 600; font-size: 14px; }
.contact .socials a:hover { background: var(--block-fg); color: var(--block-bg); }
@media (min-width: 900px) { .contact { grid-template-columns: 1.2fr 1fr; padding: 48px 40px; margin-top: 80px; } }

footer { padding: 32px 0 40px; font-size: 14px; color: var(--muted); }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; }
footer a { margin-right: 14px; display: inline-block; padding: 4px 0; }

/* reveal */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s var(--ease), transform .6s var(--ease); transition-delay: calc(var(--i, 0) * 70ms); }
.reveal.in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }
.hero .reveal { animation: up .7s var(--ease) both; animation-delay: calc(var(--i, 0) * 70ms); opacity: 1; transform: none; transition: none; }
@keyframes up { from { opacity: 0; transform: translateY(18px) } }

/* ── legal pages ─────────────────────────────────────────────────── */
.legal { display: grid; gap: var(--gap); padding: 24px 0 0; }
.legal aside { padding: 16px; font-size: 14px; }
.legal aside .app-name { display: flex; align-items: center; gap: 10px; font-weight: 700; margin-bottom: 12px; }
.legal aside .app-name img { width: 36px; height: 36px; border-radius: 10px; border: 2px solid var(--ink); }
.legal aside .switch { display: flex; flex-wrap: wrap; gap: 6px; }
.legal aside .switch a { padding: 7px 12px; border: 2px solid var(--ink); border-radius: 999px; text-decoration: none; font-weight: 600; }
.legal aside .switch a.on { background: var(--lime); color: var(--on-color); }
.legal aside .toc { display: none; margin-top: 14px; padding-top: 12px; border-top: 2px solid var(--ink); }
.legal aside .toc ul { list-style: none; margin: 0; padding: 0; }
.legal aside .toc ul ul { display: none; }
.legal aside .toc a { display: block; padding: 3px 0; text-decoration: none; color: var(--muted); }
.legal aside .toc a:hover { color: var(--ink); text-decoration: underline; }
.legal article { padding: 22px; min-width: 0; }
article h1 { font: 700 clamp(30px, 5vw, 46px)/1.05 "Space Grotesk", sans-serif; letter-spacing: -.03em; margin: 0 0 10px; overflow-wrap: anywhere; }
article h1 + p { color: var(--muted); }
article h2 { font: 700 clamp(19px, 2.4vw, 23px)/1.2 "Space Grotesk", sans-serif; margin: 32px 0 10px; }
article h3 { font-size: 17px; margin: 22px 0 6px; }
article a { text-decoration-color: var(--coral); text-decoration-thickness: 2px; text-underline-offset: 3px; overflow-wrap: anywhere; }
article code { background: var(--canvas); border: 1px solid #0002; padding: 1px 6px; border-radius: 6px; font-size: .9em; }
article ul { padding-left: 20px; }
article li { margin: 5px 0; }
@media (min-width: 1024px) {
  .legal { grid-template-columns: 240px minmax(0, 760px); gap: 28px; padding-top: 40px; justify-content: center; }
  .legal aside { position: sticky; top: 96px; align-self: start; }
  .legal aside .switch { flex-direction: column; }
  .legal aside .toc { display: block; }
  .legal article { padding: 40px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}