/* ============================================================
   NOCTIS, Editorial Noir Design System
   Jyoti Nagpal · Portfolio
   ============================================================ */

:root {
  /* Color */
  --ink: #050505;
  --velvet: #0e0708;
  --burgundy: #3b0d11;
  --wine: #8c1f2b;
  --garnet: #b83a3a;
  --bone: #efe6d8;
  --bone-dim: #c7bdaf;
  --mist: #9a9082;
  --smoke: #2a2420;
  --hairline: rgba(239, 230, 216, 0.12);
  --hairline-strong: rgba(239, 230, 216, 0.22);

  /* Type */
  --serif: "Cormorant Garamond", "EB Garamond", Georgia, serif;
  --sans: "Hanken Grotesk", "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast: 240ms;
  --dur: 520ms;
  --dur-slow: 780ms;

  /* Layout */
  --pad-x: clamp(24px, 5vw, 96px);
  --max: 1440px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--ink);
  color: var(--bone);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "kern";
  cursor: none;
}

@media (max-width: 900px) {
  html, body { cursor: auto; }
}

::selection { background: var(--wine); color: var(--bone); }

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

/* ----- Grain + Vignette overlays ----- */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9000;
  background-image: url("grain.svg");
  background-size: 240px 240px;
  opacity: 0.085;
  mix-blend-mode: overlay;
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 8999;
  background:
    radial-gradient(ellipse 80% 60% at 20% 10%, rgba(59, 13, 17, 0.35), transparent 60%),
    radial-gradient(ellipse 60% 50% at 100% 100%, rgba(59, 13, 17, 0.28), transparent 60%),
    radial-gradient(ellipse 120% 80% at 50% 50%, transparent 40%, rgba(0, 0, 0, 0.5) 100%);
}

/* ----- Custom cursor ----- */
.cursor-dot, .cursor-ring {
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 10000;
  transform: translate(-50%, -50%);
  transition: opacity 200ms;
}
.cursor-dot {
  width: 4px; height: 4px;
  background: var(--wine);
  border-radius: 50%;
}
.cursor-ring {
  width: 28px; height: 28px;
  border: 1px solid rgba(140, 31, 43, 0.55);
  border-radius: 50%;
  transition: transform 240ms var(--ease-out), width 240ms var(--ease-out), height 240ms var(--ease-out), border-color 240ms;
}
.cursor-ring.hover {
  width: 56px; height: 56px;
  border-color: rgba(184, 58, 58, 0.85);
}

/* ============================================================
   Typography
   ============================================================ */
.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mist);
  font-weight: 400;
}
.eyebrow .dot {
  display: inline-block;
  width: 5px; height: 5px;
  background: var(--wine);
  border-radius: 50%;
  margin-right: 10px;
  vertical-align: middle;
  transform: translateY(-1px);
}

.display {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.015em;
  line-height: 0.98;
  color: var(--bone);
  text-wrap: balance;
}
.display em, .italic {
  font-style: italic;
  color: var(--garnet);
  font-weight: 300;
}

.serif { font-family: var(--serif); font-weight: 400; }
.mono { font-family: var(--mono); }
.tracked {
  font-family: var(--mono);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-size: 11px;
  color: var(--mist);
}

/* ============================================================
   Navigation
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px var(--pad-x);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(5, 5, 5, 0.72);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--hairline);
  transform: translateY(0);
  transition: transform 420ms var(--ease-out), background 420ms ease, border-color 420ms;
}
.nav.at-top {
  background: transparent;
  border-bottom-color: transparent;
  padding-top: 22px;
  padding-bottom: 22px;
}
.nav.hidden { transform: translateY(-110%); }
.nav-brand {
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: 0.01em;
  color: var(--bone);
}
.nav-brand .amp {
  color: var(--garnet);
  font-style: italic;
}
.nav-links {
  display: flex;
  gap: 32px;
}
.nav-link {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--bone);
  position: relative;
  transition: color var(--dur) var(--ease-out);
  white-space: nowrap;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 1px;
  background: var(--garnet);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease-out);
}
.nav-link:hover::after,
.nav-link.active::after { transform: scaleX(1); }
.nav-link.active { color: var(--bone); }
.nav-link .marker {
  display: inline-block;
  width: 4px; height: 4px;
  background: var(--garnet);
  border-radius: 50%;
  margin-left: 6px;
  vertical-align: middle;
  transform: translateY(-1px);
  opacity: 0;
}
.nav-link.active .marker { opacity: 1; }

/* ============================================================
   Buttons / Pills
   ============================================================ */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  border: 1px solid var(--hairline-strong);
  border-radius: 100px;
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--bone);
  background: rgba(20, 8, 10, 0.4);
  backdrop-filter: blur(8px);
}
.pill .dot {
  display: inline-block;
  width: 6px; height: 6px;
  background: var(--garnet);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--wine);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 18px 32px;
  border: 1px solid var(--hairline-strong);
  border-radius: 100px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--bone);
  position: relative;
  overflow: hidden;
  transition: border-color var(--dur) var(--ease-out), color var(--dur) var(--ease-out);
}
.btn-ghost::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--burgundy), var(--wine));
  transform: translateX(-101%);
  transition: transform var(--dur-slow) var(--ease-out);
  z-index: -1;
}
.btn-ghost:hover { border-color: var(--garnet); color: var(--bone); }
.btn-ghost:hover::before { transform: translateX(0); }
.btn-ghost .arrow {
  display: inline-block;
  transition: transform var(--dur) var(--ease-out);
}
.btn-ghost:hover .arrow { transform: translate(4px, -4px); }

/* ============================================================
   Sections
   ============================================================ */
section {
  padding: 0 var(--pad-x);
  position: relative;
  z-index: 1;
}
.section-frame {
  max-width: var(--max);
  margin: 0 auto;
}

.section-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: end;
  padding-bottom: 80px;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 80px;
}
.section-head h2 {
  font-family: var(--serif);
  font-size: clamp(48px, 6vw, 88px);
  font-weight: 400;
  line-height: 1.0;
  letter-spacing: -0.01em;
}
.section-head h2 em { color: var(--garnet); font-style: italic; }
.section-head .lede {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--bone-dim);
  max-width: 38ch;
  justify-self: end;
}

/* Section index numerals (editorial chapter markers) */
.chapter {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  border-top: 1px solid var(--hairline);
  margin-bottom: 80px;
}
.chapter .num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--garnet);
}
.chapter .label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--mist);
  text-transform: uppercase;
}

/* ============================================================
   Image slots & placeholders
   ============================================================ */
image-slot {
  --slot-bg: linear-gradient(135deg, #1a0d10 0%, #0a0506 100%);
  --slot-border: 1px solid var(--hairline);
}

.placeholder {
  position: relative;
  background:
    repeating-linear-gradient(135deg,
      rgba(239, 230, 216, 0.025) 0px,
      rgba(239, 230, 216, 0.025) 1px,
      transparent 1px,
      transparent 8px),
    radial-gradient(ellipse at 30% 20%, rgba(140, 31, 43, 0.12), transparent 60%),
    linear-gradient(135deg, #1a0d10 0%, #050505 100%);
  border: 1px solid var(--hairline);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.placeholder .caption {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--mist);
  text-transform: uppercase;
  text-align: center;
  padding: 16px;
}
.placeholder::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 110%, rgba(0, 0, 0, 0.6), transparent 60%);
  pointer-events: none;
}

/* ============================================================
   Footer / Contact
   ============================================================ */
.contact {
  padding: 200px var(--pad-x) 0;
  position: relative;
}
.contact-inner {
  max-width: var(--max);
  margin: 0 auto;
  border-top: 1px solid var(--hairline);
  padding-top: 80px;
}
.contact h2 {
  font-family: var(--serif);
  font-size: clamp(52px, 7vw, 116px);
  font-weight: 400;
  line-height: 0.96;
  letter-spacing: -0.02em;
  margin-bottom: 72px;
  text-wrap: balance;
}
.contact h2 em { font-style: italic; color: var(--garnet); }

.contact-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
  padding-bottom: 60px;
  border-bottom: 1px solid var(--hairline);
}
.contact-grid .col-status { grid-column: 1 / 3; }
.contact-grid .col-email { grid-column: 3 / 8; }
.contact-grid .col-linked { grid-column: 8 / 11; }
.contact-grid .col-loc { grid-column: 11 / 13; }
.contact-grid .label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--mist);
  margin-bottom: 12px;
}
.contact-grid .value {
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.25;
}
.contact-grid a.value { transition: color var(--dur) var(--ease-out); }
.contact-grid a.value:hover { color: var(--garnet); font-style: italic; }

.footer-bar {
  max-width: var(--max);
  margin: 0 auto;
  padding: 48px 0 60px;
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--mist);
}

/* ============================================================
   Reveal on scroll
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 1100ms var(--ease-out), transform 1100ms var(--ease-out);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}
.reveal[data-delay="100"] { transition-delay: 100ms; }
.reveal[data-delay="200"] { transition-delay: 200ms; }
.reveal[data-delay="300"] { transition-delay: 300ms; }
.reveal[data-delay="400"] { transition-delay: 400ms; }

/* ============================================================
   Mobile Navigation (Hamburger)
   ============================================================ */
.brand-short { display: none; }

.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 201;
  position: relative;
}
.nav-burger span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--bone);
  transform-origin: center;
  transition: transform 320ms var(--ease-out), opacity 200ms, width 200ms;
}
.nav-burger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; width: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1180px) {
  .nav-links { gap: 22px; font-size: 12px; }
  .nav-link { font-size: 12px; }
}
@media (max-width: 1100px) {
  .section-head { grid-template-columns: 1fr; gap: 32px; }
  .section-head .lede { justify-self: start; }
  .contact-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid .col-status { grid-column: 1; }
  .contact-grid .col-email { grid-column: 2; }
  .contact-grid .col-linked { grid-column: 1; }
  .contact-grid .col-loc { grid-column: 2; }
}
@media (max-width: 768px) {
  .nav-burger { display: flex; }

  /* Lift the entire nav above grain/vignette overlays (z-index 9000+) when menu is open */
  .nav.menu-open { z-index: 10500; }

  .nav-links {
    position: fixed;
    inset: 0;
    background: #0a0507;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    padding: 72px 32px 40px;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 320ms var(--ease-out), transform 320ms var(--ease-out);
    z-index: 10500;
  }
  .nav-links.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
  .nav-link {
    font-size: 28px !important;
    font-family: var(--serif) !important;
    letter-spacing: -0.01em !important;
    line-height: 1.2 !important;
    font-weight: 400;
    color: var(--bone) !important;
  }
  .nav-link:hover { color: var(--garnet) !important; }
  .nav-link::after { display: none !important; }
  .nav-link .marker { display: none !important; }
  .nav-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    line-height: 44px;
    text-align: center;
    color: var(--bone);
    background: none;
    border: 1px solid var(--hairline-strong);
    border-radius: 50%;
    cursor: pointer;
    font-family: var(--sans);
  }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-grid > div { grid-column: 1 !important; }
}
@media (max-width: 720px) {
  .contact-grid { grid-template-columns: 1fr; }
  .contact-grid > div { grid-column: 1 !important; }
}