/* ====================================================
   HERAMB GOYAL — cinematic founder site
   Shared design tokens + base + components
   ==================================================== */

:root {
  --black: #0a0a0a;
  --ink: #141414;
  --ink-2: #1c1c1c;
  --line: rgba(239, 236, 228, 0.10);
  --line-strong: rgba(239, 236, 228, 0.22);
  --bone: #efece4;
  --bone-dim: #d6d2c6;
  --gray: #8a857c;
  --gray-2: #5b5750;
  --ember: oklch(0.68 0.13 45);
  --ember-dim: oklch(0.55 0.10 45);

  --serif: "Instrument Serif", "Cormorant Garamond", Georgia, serif;
  --sans: "Geist", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "Geist Mono", "JetBrains Mono", ui-monospace, Menlo, monospace;

  --container: 1440px;
  --gutter: clamp(20px, 4vw, 56px);

  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: var(--black); color: var(--bone); }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  letter-spacing: -0.005em;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

::selection { background: var(--ember); color: var(--black); }

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: #2a2a2a; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #3a3a3a; }

/* ============ Layout ============ */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--gray);
  display: inline-block;
}
.eyebrow.no-rule::before { display: none; }

.kicker {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gray);
}

.h-display {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(64px, 12vw, 220px);
  line-height: 0.92;
  letter-spacing: -0.02em;
}

.h-section {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(40px, 6vw, 96px);
  line-height: 0.98;
  letter-spacing: -0.02em;
}

.h-md {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(28px, 3.4vw, 52px);
  line-height: 1.05;
  letter-spacing: -0.015em;
}

.italic-serif { font-style: italic; }

.lede {
  font-family: var(--sans);
  font-size: clamp(16px, 1.3vw, 19px);
  line-height: 1.55;
  color: var(--bone-dim);
  max-width: 60ch;
}

.muted { color: var(--gray); }
.bone { color: var(--bone); }
.ember { color: var(--ember); }

/* ============ Top nav ============ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  mix-blend-mode: difference;
  color: var(--bone);
  transition: background 400ms var(--ease), backdrop-filter 400ms var(--ease);
}
.nav.scrolled {
  background: rgba(10,10,10,0.75);
  backdrop-filter: blur(18px) saturate(120%);
  -webkit-backdrop-filter: blur(18px) saturate(120%);
  mix-blend-mode: normal;
}
.nav__brand {
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav__mark {
  width: 26px; height: 26px;
  border: 1px solid currentColor;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0;
}
.nav__menu {
  display: flex;
  gap: 32px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.nav__menu a {
  position: relative;
  padding: 6px 0;
  transition: opacity 240ms var(--ease);
}
.nav__menu a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: currentColor;
  transition: width 380ms var(--ease-out);
}
.nav__menu a:hover::after,
.nav__menu a.active::after { width: 100%; }
.nav__menu a.active { color: var(--ember); }

.nav__cta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border: 1px solid currentColor;
  padding: 10px 16px;
  border-radius: 100px;
  transition: background 280ms var(--ease), color 280ms var(--ease);
}
.nav__cta:hover { background: var(--bone); color: var(--black); }

@media (max-width: 820px) {
  .nav__menu { display: none; }
}

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 16px 22px;
  border-radius: 100px;
  border: 1px solid var(--line-strong);
  transition: background 320ms var(--ease), color 320ms var(--ease), border-color 320ms var(--ease), transform 320ms var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--bone); color: var(--black); border-color: var(--bone); }
.btn--primary:hover { background: var(--ember); border-color: var(--ember); color: var(--black); }
.btn--ghost { color: var(--bone); }
.btn--ghost:hover { background: var(--bone); color: var(--black); }
.btn__arrow { display: inline-block; transition: transform 320ms var(--ease); }
.btn:hover .btn__arrow { transform: translateX(4px); }

/* ============ Reveal motion ============ */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 900ms var(--ease-out), transform 900ms var(--ease-out); }
.reveal.in { opacity: 1; transform: translateY(0); }

.reveal-stagger > * { opacity: 0; transform: translateY(20px); transition: opacity 800ms var(--ease-out), transform 800ms var(--ease-out); }
.reveal-stagger.in > *:nth-child(1) { transition-delay: 60ms; }
.reveal-stagger.in > *:nth-child(2) { transition-delay: 140ms; }
.reveal-stagger.in > *:nth-child(3) { transition-delay: 220ms; }
.reveal-stagger.in > *:nth-child(4) { transition-delay: 300ms; }
.reveal-stagger.in > *:nth-child(5) { transition-delay: 380ms; }
.reveal-stagger.in > *:nth-child(6) { transition-delay: 460ms; }
.reveal-stagger.in > *:nth-child(7) { transition-delay: 540ms; }
.reveal-stagger.in > *:nth-child(8) { transition-delay: 620ms; }
.reveal-stagger.in > * { opacity: 0; transform: translateY(20px); }
.reveal-stagger.in > * { opacity: 1; transform: translateY(0); }

/* Mask reveal for split lines */
.mask-line { display: block; overflow: hidden; }
.mask-line > span {
  display: block;
  transform: translateY(110%);
  transition: transform 1100ms var(--ease-out);
}
.mask-line.in > span { transform: translateY(0); }
.mask-line.d-1 > span { transition-delay: 80ms; }
.mask-line.d-2 > span { transition-delay: 180ms; }
.mask-line.d-3 > span { transition-delay: 280ms; }
.mask-line.d-4 > span { transition-delay: 380ms; }
.mask-line.d-5 > span { transition-delay: 480ms; }

/* ============ Hairline + dividers ============ */
.hr {
  height: 1px; background: var(--line);
  border: 0;
}
.hr--strong { background: var(--line-strong); }

/* ============ Footer ============ */
.footer {
  border-top: 1px solid var(--line);
  padding: 80px var(--gutter) 36px;
  margin-top: 0;
  background: var(--black);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  max-width: var(--container);
  margin: 0 auto;
}
.footer__brand .h-md { margin-bottom: 18px; }
.footer__col h4 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 18px;
  font-weight: 500;
}
.footer__col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer__col a { color: var(--bone-dim); transition: color 220ms var(--ease); font-size: 14px; }
.footer__col a:hover { color: var(--ember); }
.footer__bottom {
  max-width: var(--container);
  margin: 56px auto 0;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gray);
}
.footer__bottom .signoff {
  font-family: var(--serif);
  font-size: clamp(48px, 8vw, 140px);
  line-height: 0.95;
  text-transform: none;
  letter-spacing: -0.02em;
  color: var(--bone);
  width: 100%;
  margin-bottom: 24px;
}
@media (max-width: 820px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

/* ============ Page hero variant ============ */
.page-hero {
  padding: 200px var(--gutter) 120px;
  border-bottom: 1px solid var(--line);
}
.page-hero .container { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: end; }
.page-hero .eyebrow { margin-bottom: 28px; }
.page-hero h1 { margin-bottom: 0; }
.page-hero p { color: var(--bone-dim); font-size: 17px; max-width: 50ch; }
@media (max-width: 820px) {
  .page-hero { padding: 140px var(--gutter) 80px; }
  .page-hero .container { grid-template-columns: 1fr; gap: 32px; }
}

/* ============ Generic placeholder visual ============ */
.frame {
  position: relative;
  background:
    linear-gradient(180deg, #1a1a1a 0%, #0f0f0f 100%);
  border: 1px solid var(--line);
  overflow: hidden;
  border-radius: 2px;
}
.frame::before {
  /* film-grain feel */
  content: "";
  position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(
      45deg,
      rgba(239, 236, 228, 0.018) 0px,
      rgba(239, 236, 228, 0.018) 1px,
      transparent 1px,
      transparent 4px
    );
  pointer-events: none;
}
.frame__label {
  position: absolute;
  left: 16px; bottom: 14px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray);
  z-index: 2;
}
.frame__corner {
  position: absolute;
  right: 16px; top: 14px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray);
  z-index: 2;
}
.frame__center {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gray);
  text-align: center;
  padding: 24px;
}

/* Subtle scroll indicator */
.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 36px;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gray);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.scroll-cue__line {
  width: 1px; height: 40px;
  background: linear-gradient(180deg, transparent, var(--gray-2), transparent);
  animation: pulseLine 2.6s var(--ease) infinite;
}
@keyframes pulseLine {
  0%, 100% { opacity: 0.2; }
  50% { opacity: 1; }
}

/* ============ Marquee ============ */
.marquee {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 26px 0;
}
.marquee__track {
  display: flex;
  gap: 56px;
  width: max-content;
  animation: marquee 40s linear infinite;
  font-family: var(--serif);
  font-size: clamp(28px, 4vw, 64px);
  line-height: 1;
  color: var(--bone);
}
.marquee__track span { display: inline-flex; align-items: center; gap: 56px; }
.marquee__track .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--ember);
  display: inline-block;
}
@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ============ Site cursor (custom) ============ */
.cursor-dot {
  position: fixed;
  top: 0; left: 0;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--ember);
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: opacity 200ms;
  mix-blend-mode: difference;
  display: none;
}
.cursor-ring {
  position: fixed;
  top: 0; left: 0;
  width: 36px; height: 36px;
  border: 1px solid rgba(239,236,228,0.5);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: transform 220ms var(--ease), width 220ms, height 220ms, border-color 220ms;
  mix-blend-mode: difference;
  display: none;
}
@media (hover: hover) and (pointer: fine) {
  .cursor-dot, .cursor-ring { display: block; }
  body { cursor: none; }
  a, button, .interactive { cursor: none; }
}

/* ============ Loader ============ */
.loader {
  position: fixed;
  inset: 0;
  background: var(--black);
  z-index: 200;
  display: grid;
  place-items: center;
  transition: opacity 700ms var(--ease), visibility 700ms;
}
.loader.done { opacity: 0; visibility: hidden; }
.loader__inner {
  display: flex; flex-direction: column; align-items: center; gap: 18px;
}
.loader__mark {
  font-family: var(--serif);
  font-size: 56px;
  letter-spacing: -0.02em;
  position: relative;
}
.loader__bar {
  width: 200px; height: 1px; background: var(--line-strong);
  position: relative; overflow: hidden;
}
.loader__bar::after {
  content: "";
  position: absolute; inset: 0;
  background: var(--bone);
  transform: translateX(-100%);
  animation: load 1.6s var(--ease) forwards;
}
@keyframes load {
  to { transform: translateX(0); }
}
.loader__num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--gray);
}

/* responsive tweaks */
@media (max-width: 820px) {
  body { font-size: 15px; }
}