/* =========================================================
   Rabani Chadha — Portfolio
   Apple-inspired minimalism · pastel orbs · red stamp
   ========================================================= */

:root {
  /* Palette */
  --black: #0b0b0c;
  --ink: #141416;
  --ink-2: #4a4a50;
  --ink-3: #85858c;
  --paper: #fbfbf9;
  --white: #ffffff;
  --line: rgba(11, 11, 12, 0.08);

  --pink: #f9c9d6;
  --blue: #bfd7f2;
  --peach: #ffd6b8;
  --matcha: #cfe3c4;
  --red: #e0261c;
  --red-deep: #c11f16;

  /* Type */
  --font-display: "Syne", "Archivo Black", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;

  /* Layout */
  --container: 1180px;
  --gutter: clamp(20px, 5vw, 64px);
  --radius: 28px;
  --radius-sm: 14px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

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

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, p { margin: 0; }

::selection { background: var(--red); color: var(--white); }

.container {
  width: min(var(--container), 100% - 2 * var(--gutter));
  margin-inline: auto;
}

/* ---------- Typography ---------- */
h1, h2, h3, .wordmark, .btn, .chip, .card-index, .eyebrow, .stamp-mono, .marquee, .paper-name {
  font-family: var(--font-display);
}

h1 {
  font-weight: 800;
  font-size: clamp(3.4rem, 10.5vw, 9.6rem);
  line-height: 0.92;
  letter-spacing: -0.035em;
  text-transform: none;
  color: var(--black);
}

h2 {
  font-weight: 800;
  font-size: clamp(2.6rem, 6.4vw, 5.4rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--black);
}

h3 {
  font-weight: 700;
  font-size: clamp(1.35rem, 2.1vw, 1.7rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--black);
}

.dot { color: var(--red); }

.eyebrow {
  font-weight: 700;
  font-size: 0.76rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* ---------- Orb background ---------- */
.orb-layer {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 1;
  transition: opacity 0.2s linear;
  overflow: hidden;
  background: var(--paper);
}

#orbs {
  width: 100%;
  height: 100%;
  display: block;
  filter: blur(48px) saturate(1.15);
  transform: scale(1.12);           /* hide blur edge */
  will-change: transform, opacity;
}

/* thin grain to make orbs feel printed, not digital */
.orb-layer::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix type='saturate' values='0'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.35'/></svg>");
  opacity: 0.08;
  mix-blend-mode: multiply;
}

/* ---------- Nav / Logo ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px var(--gutter);
  transition: background 0.35s var(--ease), box-shadow 0.35s var(--ease), padding 0.35s var(--ease);
}

.nav.is-scrolled {
  padding: 12px var(--gutter);
  background: rgba(251, 251, 249, 0.72);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  box-shadow: 0 1px 0 var(--line);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--black);
}

.wordmark {
  font-weight: 800;
  font-size: 0.86rem;
  line-height: 1.02;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.stamp {
  width: 58px;
  height: 58px;
  color: var(--red);
  transform: rotate(-4deg);
  mix-blend-mode: multiply;
  transition: transform 0.6s var(--ease);
}

.logo:hover .stamp { transform: rotate(0deg) scale(1.05); }

.stamp svg text { font-family: var(--font-display); font-weight: 800; }
.stamp-mono { font-weight: 800; letter-spacing: -0.05em; }
.stamp-sub { font-weight: 700; }

.logo-sm .stamp { width: 50px; height: 50px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-weight: 400;
  font-size: 0.95rem;
}

.nav-links a { position: relative; }
.nav-links a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 1.5px;
  background: var(--black);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}
.nav-links a:not(.nav-cta):hover::after { transform: scaleX(1); }

.nav-cta {
  padding: 9px 18px;
  border-radius: 999px;
  background: var(--black);
  color: var(--white);
  font-weight: 500;
  transition: background 0.3s var(--ease), transform 0.3s var(--ease);
}
.nav-cta:hover { background: var(--red); transform: translateY(-1px); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  border: 1.5px solid transparent;
  transition: transform 0.35s var(--ease), background 0.35s var(--ease),
              color 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-dark { background: var(--black); color: var(--white); }
.btn-dark:hover { background: var(--ink); box-shadow: 0 14px 30px -12px rgba(0,0,0,0.35); }

.btn-ghost {
  background: rgba(255,255,255,0.55);
  color: var(--black);
  border-color: rgba(11,11,12,0.16);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { border-color: var(--black); background: var(--white); }

.btn-red {
  background: var(--red);
  color: var(--white);
  box-shadow: 0 18px 40px -16px rgba(224, 38, 28, 0.55);
}
.btn-red:hover { background: var(--red-deep); box-shadow: 0 22px 44px -14px rgba(224, 38, 28, 0.6); }
.btn-red svg { transition: transform 0.35s var(--ease); }
.btn-red:hover svg { transform: translate(2px, -2px); }

/* ---------- Hero ---------- */
main { position: relative; z-index: 1; }

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 140px var(--gutter) 120px;
}

.hero-inner {
  width: min(var(--container), 100%);
  margin-inline: auto;
}

.hero .eyebrow { margin-bottom: 26px; }

.hero h1 { margin-bottom: 34px; }

.lede {
  max-width: 640px;
  font-size: clamp(1.05rem, 1.5vw, 1.3rem);
  line-height: 1.6;
  color: var(--ink-2);
  font-weight: 300;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 40px;
}

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 34px;
  transform: translateX(-50%);
  width: 26px;
  height: 42px;
  border: 1.5px solid rgba(11,11,12,0.35);
  border-radius: 999px;
  display: grid;
  place-items: start center;
  padding-top: 7px;
}
.scroll-cue span {
  width: 4px; height: 8px;
  border-radius: 999px;
  background: var(--red);
  animation: cue 1.8s var(--ease) infinite;
}
@keyframes cue {
  0%   { transform: translateY(0);   opacity: 1; }
  70%  { transform: translateY(14px); opacity: 0; }
  100% { transform: translateY(0);   opacity: 0; }
}

/* ---------- About ---------- */
.about {
  position: relative;
  padding: 140px 0 120px;
  /* solid ground so the orbs never compete with reading */
  background: linear-gradient(to bottom, rgba(251,251,249,0) 0%, var(--paper) 140px);
}

.section-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-bottom: 64px;
}

@media (min-width: 900px) {
  .section-head {
    grid-template-columns: 1.15fr 1fr;
    align-items: end;
    gap: 64px;
  }
  .section-head .eyebrow { grid-column: 1 / -1; }
}

.section-intro {
  max-width: 480px;
  font-size: 1.12rem;
  color: var(--ink-2);
}

.facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-bottom: 72px;
}

.facts li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 22px 18px 22px 0;
  font-size: 0.98rem;
  font-weight: 400;
}

.fact-label {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-family: var(--font-display);
  font-weight: 700;
}

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 22px;
}

@media (min-width: 1000px) {
  .cards { grid-template-columns: 1fr 1fr; }
}

.card {
  position: relative;
  padding: 34px 34px 30px;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--line);
  overflow: hidden;
  isolation: isolate;
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease), border-color 0.5s var(--ease);
}

/* pastel wash per card */
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(120% 80% at 100% 0%, var(--tone) 0%, transparent 60%);
  opacity: 0.85;
  transition: opacity 0.5s var(--ease), transform 0.8s var(--ease);
  transform: scale(1);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 30px 60px -30px rgba(11,11,12,0.25);
  border-color: rgba(11,11,12,0.14);
}
.card:hover::before { opacity: 1; transform: scale(1.06); }

.card[data-tone="pink"]   { --tone: var(--pink); }
.card[data-tone="blue"]   { --tone: var(--blue); }
.card[data-tone="peach"]  { --tone: var(--peach); }
.card[data-tone="matcha"] { --tone: var(--matcha); }

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
}

.card-index {
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--ink-3);
}

.chip {
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--black);
  color: var(--white);
  font-weight: 700;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.card h3 { margin-bottom: 14px; }

.card p {
  color: var(--ink-2);
  font-size: 1rem;
  line-height: 1.65;
}
.card p em { font-style: italic; color: var(--ink); }

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}

.tags li {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(11,11,12,0.14);
  background: rgba(255,255,255,0.6);
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--ink);
}

/* Interests marquee */
.interests { margin-top: 96px; }
.interests .eyebrow { margin-bottom: 18px; }

.marquee {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
  mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
}

.marquee-track {
  display: flex;
  gap: 36px;
  width: max-content;
  font-weight: 800;
  font-size: clamp(1.4rem, 3vw, 2.4rem);
  letter-spacing: -0.02em;
  text-transform: uppercase;
  white-space: nowrap;
  animation: marquee 32s linear infinite;
}
.marquee-track .sep { color: var(--red); font-size: 0.7em; align-self: center; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Resume ---------- */
.resume { padding: 40px 0 140px; }

.resume-card {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  padding: clamp(36px, 6vw, 80px);
  border-radius: calc(var(--radius) + 8px);
  background: var(--black);
  color: var(--white);
  overflow: hidden;
}

@media (min-width: 900px) {
  .resume-card { grid-template-columns: 1.1fr 0.9fr; align-items: center; }
}

/* pastel bloom inside the dark card */
.resume-card::before {
  content: "";
  position: absolute;
  inset: -20%;
  z-index: 0;
  background:
    radial-gradient(35% 45% at 15% 20%, rgba(249,201,214,0.28), transparent 70%),
    radial-gradient(35% 45% at 85% 25%, rgba(191,215,242,0.26), transparent 70%),
    radial-gradient(40% 50% at 70% 90%, rgba(255,214,184,0.22), transparent 70%),
    radial-gradient(30% 40% at 20% 85%, rgba(207,227,196,0.22), transparent 70%);
  filter: blur(30px);
  animation: bloom 18s ease-in-out infinite alternate;
}
@keyframes bloom {
  from { transform: rotate(0deg) scale(1); }
  to   { transform: rotate(10deg) scale(1.08); }
}

.resume-copy, .resume-preview { position: relative; z-index: 1; }

.resume-copy .eyebrow { color: rgba(255,255,255,0.55); margin-bottom: 22px; }
.resume-copy h2 { color: var(--white); margin-bottom: 22px; }
.resume-copy p { color: rgba(255,255,255,0.72); max-width: 440px; font-size: 1.08rem; }

.resume-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.resume-actions .btn-ghost {
  background: rgba(255,255,255,0.06);
  color: var(--white);
  border-color: rgba(255,255,255,0.22);
}
.resume-actions .btn-ghost:hover { background: rgba(255,255,255,0.12); border-color: var(--white); }

/* Fake paper preview */
.resume-preview { display: flex; justify-content: center; }

.paper {
  position: relative;
  width: min(320px, 100%);
  aspect-ratio: 8.5 / 11;
  background: var(--white);
  border-radius: 10px;
  padding: 30px 26px;
  box-shadow: 0 40px 80px -30px rgba(0,0,0,0.7), 0 0 0 1px rgba(255,255,255,0.08);
  transform: rotate(3deg);
  transition: transform 0.6s var(--ease);
  color: var(--black);
}
.resume-card:hover .paper { transform: rotate(0deg) translateY(-6px); }

.paper-head { display: flex; flex-direction: column; gap: 4px; margin-bottom: 22px; }
.paper-name { font-weight: 800; font-size: 1.05rem; letter-spacing: -0.02em; }
.paper-sub { font-size: 0.68rem; color: var(--ink-3); }

.paper-lines { display: flex; flex-direction: column; gap: 8px; }
.paper-lines span {
  display: block;
  height: 6px;
  border-radius: 999px;
  background: rgba(11,11,12,0.09);
}
.paper-lines span:nth-child(1),
.paper-lines span:nth-child(5),
.paper-lines span:nth-child(10) { background: rgba(11,11,12,0.35); height: 7px; }
.paper-lines .gap { height: 10px; background: transparent; }

.paper-stamp {
  position: absolute;
  right: 18px;
  bottom: 18px;
  width: 78px;
  height: 78px;
  color: var(--red);
  transform: rotate(-11deg);
  opacity: 0.92;
  mix-blend-mode: multiply;
}
.paper-stamp svg text { font-family: var(--font-display); font-weight: 800; }

/* ---------- Footer ---------- */
.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--line);
  padding: 44px 0 40px;
  background: var(--paper);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  font-size: 0.92rem;
  font-weight: 400;
}
.footer-links a { border-bottom: 1px solid transparent; transition: border-color 0.3s; }
.footer-links a:hover { border-color: var(--red); }

.footer-note { font-size: 0.8rem; color: var(--ink-3); }

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }

.reveal:nth-child(2) { transition-delay: 0.08s; }
.reveal:nth-child(3) { transition-delay: 0.16s; }
.reveal:nth-child(4) { transition-delay: 0.24s; }

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  .nav { padding: 16px var(--gutter); }
  .nav-links { gap: 18px; font-size: 0.88rem; }
  .nav-links a:not(.nav-cta) { display: none; }
  .stamp { width: 50px; height: 50px; }
  .hero { padding-top: 120px; padding-bottom: 100px; }
  .card { padding: 26px 24px 24px; }
  .facts li { padding: 16px 14px 16px 0; }
  .paper { transform: rotate(0); }
}

/* ---------- Motion preferences ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .marquee-track, .resume-card::before, .scroll-cue span { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  #orbs { transition: none; }
}