/* ============================================================
   AIRZEN — monochrome, instrument-grade landing site
   Display: Space Grotesk · Body: Inter · Data: JetBrains Mono
   ============================================================ */

:root {
  --ground:   #0A0B0D;   /* near-black, faintly cool */
  --ground-2: #0E1014;   /* lifted surface (cards)   */
  --ground-3: #121419;   /* hover surface            */
  --text:     #F2F3F5;   /* off-white                */
  --muted:    #888E99;   /* secondary text           */
  --faint:    rgba(242, 243, 245, 0.07);  /* hairline / grid */
  --line:     rgba(242, 243, 245, 0.13);  /* visible hairline */
  --line-2:   rgba(242, 243, 245, 0.22);  /* emphasised hairline */

  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  --maxw: 1200px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --radius: 4px;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; overflow-x: clip; }

body {
  background: var(--ground);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  font-feature-settings: "kern", "liga", "calt";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }

::selection { background: var(--text); color: var(--ground); }

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

.skip {
  position: fixed;
  top: -100%;
  left: 1rem;
  z-index: 100;
  padding: 0.6rem 1rem;
  background: var(--text);
  color: var(--ground);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}
.skip:focus { top: 1rem; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- shared type ---------- */
.eyebrow,
.section__tag,
.card__label,
.telemetry,
.tags li,
.channel__label,
.project__index,
.step__num,
.project__shot-tag {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
}
.nav.is-stuck {
  background: rgba(10, 11, 13, 0.72);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--line);
}
.nav__inner {
  max-width: var(--maxw);
  margin-inline: auto;
  padding: 1.1rem var(--gutter);
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav__brand { display: inline-flex; align-items: center; }
.nav__logo { height: 22px; width: auto; }
.nav__icon { display: none; height: 30px; width: auto; }

.nav__menu {
  display: flex;
  align-items: center;
  gap: 1.9rem;
  margin-left: auto;
  font-size: 0.9rem;
}
.nav__menu > a:not(.btn) {
  position: relative;
  color: var(--muted);
  transition: color 0.2s ease;
}
.nav__menu > a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 1px;
  background: var(--text);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.nav__menu > a:not(.btn):hover { color: var(--text); }
.nav__menu > a:not(.btn):hover::after { transform: scaleX(1); }
.nav__cta { font-size: 0.85rem; }

/* burger (hidden on desktop) */
.nav__burger {
  display: none;
  margin-left: auto;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  padding: 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  transition: border-color 0.2s ease;
}
.nav__burger:hover { border-color: var(--line-2); }
.nav__burger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  transition: transform 0.3s ease, opacity 0.2s ease;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--line-2);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn--solid {
  background: var(--text);
  color: var(--ground);
  border-color: var(--text);
}
.btn--solid:hover { background: #fff; box-shadow: 0 10px 30px rgba(242, 243, 245, 0.18); }
.btn--ghost { background: transparent; color: var(--text); }
.btn--ghost:hover { background: rgba(242, 243, 245, 0.06); border-color: var(--text); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  padding-top: clamp(8rem, 16vh, 11rem);
  padding-bottom: 5.5rem;
}

/* drifting light atmosphere (replaces the static grid) */
.aurora {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}
.aurora__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  will-change: transform;
}
.aurora__blob--1 {
  width: 60vw;
  height: 60vw;
  max-width: 760px;
  max-height: 760px;
  top: -22%;
  left: -12%;
  background: radial-gradient(circle at center, rgba(160, 180, 210, 0.16), transparent 65%);
  animation: drift-1 22s ease-in-out infinite;
}
.aurora__blob--2 {
  width: 52vw;
  height: 52vw;
  max-width: 680px;
  max-height: 680px;
  right: -14%;
  bottom: -24%;
  background: radial-gradient(circle at center, rgba(120, 130, 150, 0.14), transparent 65%);
  animation: drift-2 28s ease-in-out infinite;
}
@keyframes drift-1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%      { transform: translate(14%, 18%) scale(1.18); }
}
@keyframes drift-2 {
  0%, 100% { transform: translate(0, 0) scale(1.1); }
  50%      { transform: translate(-12%, -16%) scale(0.92); }
}

/* floating particle field (canvas, drawn in main.js) */
.hero__particles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* chevron watermark, lower-right, slow float */
.hero__watermark {
  position: absolute;
  right: -8%;
  bottom: -14%;
  width: min(60vw, 720px);
  opacity: 0.04;
  pointer-events: none;
  user-select: none;
  animation: float-mark 16s ease-in-out infinite;
}
@keyframes float-mark {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50%      { transform: translateY(-26px) rotate(-1.5deg); }
}

.hero__inner {
  position: relative;
  z-index: 2;
  padding-bottom: 4rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.74rem;
  color: var(--muted);
  margin-bottom: 1.8rem;
}
.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text);
  box-shadow: 0 0 0 0 rgba(242, 243, 245, 0.6);
  animation: pulse 2.4s ease-out infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(242, 243, 245, 0.5); }
  70%  { box-shadow: 0 0 0 9px rgba(242, 243, 245, 0); }
  100% { box-shadow: 0 0 0 0 rgba(242, 243, 245, 0); }
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.6rem, 8.2vw, 6.4rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
  margin-bottom: 1.6rem;
  background: linear-gradient(100deg, #ffffff 28%, #c4c9d2 48%, #ffffff 68%);
  background-size: 220% 100%;
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  animation: title-shine 8s linear infinite;
}
@keyframes title-shine {
  from { background-position: 130% 0; }
  to   { background-position: -130% 0; }
}
.hero__period { -webkit-text-fill-color: var(--muted); color: var(--muted); }
.hero__accent { -webkit-text-fill-color: var(--muted); color: var(--muted); }

.hero__lede {
  max-width: 46ch;
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  color: var(--muted);
  margin-bottom: 2.4rem;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.9rem; }

/* Google rating badge */
.rating {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  margin-top: 1.8rem;
  padding: 0.6rem 1rem 0.6rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(242, 243, 245, 0.03);
  width: fit-content;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.rating:hover { border-color: var(--line-2); background: rgba(242, 243, 245, 0.06); }
.rating__logo { width: 18px; height: auto; }
.rating__stars { color: #FFC83D; font-size: 0.95rem; letter-spacing: 0.08em; }
.rating__text { font-size: 0.86rem; color: var(--muted); }
.rating__text strong { color: var(--text); font-weight: 600; }

/* telemetry ticker pinned to hero base */
.telemetry {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  font-size: 0.72rem;
  color: var(--muted);
  background: rgba(10, 11, 13, 0.4);
}
.telemetry__track {
  display: flex;
  align-items: center;
  padding: 0.7rem 0;
  width: max-content;
  animation: ticker 55s linear infinite;
  will-change: transform;
}
/* spacing + separator baked into each item so a -50% loop tiles seamlessly */
.tk {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}
.tk::after {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--line-2);
  margin: 0 2.5rem;
}
@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============================================================
   SECTIONS (shared)
   ============================================================ */
.section {
  position: relative;
  padding: clamp(5rem, 11vh, 9rem) 0;
  border-top: 1px solid var(--line);
}
.section__head { max-width: 60ch; margin-bottom: 3.5rem; }
.section__tag {
  display: block;
  font-size: 0.74rem;
  color: var(--muted);
  margin-bottom: 1.2rem;
}
.section__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.9rem, 4.4vw, 3.1rem);
  line-height: 1.05;
  letter-spacing: -0.025em;
}
.section__lede {
  margin-top: 1.1rem;
  color: var(--muted);
  font-size: clamp(1rem, 1.4vw, 1.12rem);
  max-width: 52ch;
}

/* ============================================================
   PROCESS
   ============================================================ */
.steps {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.step {
  background: var(--ground);
  padding: 2.2rem clamp(1.4rem, 2.4vw, 2.2rem) 2.6rem;
  position: relative;
  overflow: hidden;
  transition: background 0.25s ease;
}
.step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 2px;
  height: 100%;
  background: var(--text);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.4s ease;
}
.step:hover { background: var(--ground-2); }
.step:hover::before { transform: scaleY(1); }
.step__num {
  display: block;
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--line-2);
  margin-bottom: 3.5rem;
  transition: color 0.3s ease;
}
.step:hover .step__num { color: var(--text); }
.step__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.8rem;
}
.step__body { color: var(--muted); font-size: 0.98rem; }

/* ============================================================
   WORK
   ============================================================ */
.projects { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }

.project {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ground-2);
  transition: border-color 0.25s ease, transform 0.25s ease;
}
a.project:hover {
  border-color: var(--line-2);
  transform: translateY(-4px);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
}
a.project:hover .project__go { color: var(--text); transform: translateX(3px); }
a.project:hover .project__shot-img { transform: scale(1.04); }
.project__go { display: inline-block; transition: color 0.2s ease, transform 0.2s ease; }

.project__media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.project__index {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 2;
  font-size: 0.72rem;
  color: var(--muted);
}
.project__shot {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(120% 120% at 80% 10%, rgba(242,243,245,0.06), transparent 60%),
    var(--ground);
  transition: transform 0.4s ease;
}
.project__shot-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--faint) 1px, transparent 1px),
    linear-gradient(90deg, var(--faint) 1px, transparent 1px);
  background-size: 40px 40px;
}
.project__shot-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.project__shot-tag {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  z-index: 2;
  font-size: 0.68rem;
  color: var(--text);
  background: rgba(10, 11, 13, 0.55);
  border: 1px solid var(--line);
  backdrop-filter: blur(6px);
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
}
.project__logo { width: auto; height: 30px; }
.project__shot-line {
  position: relative;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.2rem, 2.6vw, 1.7rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-align: center;
}
.project__shot--empty {
  background:
    radial-gradient(130% 130% at 50% 120%, rgba(242, 243, 245, 0.05), transparent 55%),
    var(--ground);
}
.project__shot--empty .project__shot-line { color: var(--muted); transition: color 0.3s ease; }
a.project--next:hover .project__shot-line { color: var(--text); }

.project__meta { padding: 1.6rem 1.6rem 1.8rem; display: flex; flex-direction: column; gap: 0.9rem; }
.project__row { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; }
.project__name { font-family: var(--font-display); font-weight: 500; font-size: 1.45rem; letter-spacing: -0.02em; }
.project__go { font-family: var(--font-mono); font-size: 0.78rem; color: var(--muted); transition: color 0.2s ease; }
.project__desc { color: var(--muted); font-size: 0.96rem; }

.tags { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tags li {
  font-size: 0.66rem;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
}
.project--next { border-style: dashed; }
.project--next .project__media { border-bottom-style: dashed; }

/* ============================================================
   CAPABILITY
   ============================================================ */
.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.card {
  position: relative;
  background: var(--ground);
  padding: 2.4rem clamp(1.5rem, 2.6vw, 2.4rem);
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  transition: background 0.25s ease;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--text);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 80% at 100% 0%, rgba(242, 243, 245, 0.06), transparent 60%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}
.card:hover { background: var(--ground-2); }
.card:hover::before { transform: scaleX(1); }
.card:hover::after { opacity: 1; }
.card__title { transition: transform 0.3s ease; }
.card:hover .card__title { transform: translateX(4px); }
.card__label { font-size: 0.72rem; color: var(--muted); }
.card__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.55rem;
  letter-spacing: -0.02em;
  margin-top: 0.2rem;
}
.card__body { color: var(--muted); font-size: 0.98rem; }

/* ============================================================
   FAQ
   ============================================================ */
.faq__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
.faq__head { margin-bottom: 0; position: sticky; top: 6rem; }
.accordion { display: flex; flex-direction: column; }
.qa { border-top: 1px solid var(--line); }
.qa:last-child { border-bottom: 1px solid var(--line); }
.qa summary {
  list-style: none;
  cursor: pointer;
  padding: 1.4rem 0;
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  letter-spacing: -0.01em;
  transition: color 0.2s ease;
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.3rem;
  color: var(--muted);
  flex: none;
  width: 1.2rem;
  text-align: center;
  transition: transform 0.25s ease, color 0.2s ease;
}
.qa[open] summary::before { transform: rotate(45deg); color: var(--text); }
.qa summary:hover { color: var(--text); }
.qa p {
  color: var(--muted);
  font-size: 0.98rem;
  max-width: 60ch;
  padding: 0 0 1.5rem 2.2rem;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact { border-top: 1px solid var(--line); text-align: center; }
.contact__inner { display: flex; flex-direction: column; align-items: center; }
.contact .section__tag { margin-bottom: 1.4rem; }
.contact__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.2rem, 6vw, 4.4rem);
  line-height: 1.0;
  letter-spacing: -0.03em;
  max-width: 16ch;
}
.contact__lede { color: var(--muted); margin: 1.4rem auto 2.6rem; max-width: 46ch; font-size: 1.08rem; }
.contact__channels {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.channel {
  background: var(--ground);
  padding: 1.6rem 2.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-width: 240px;
  transition: background 0.2s ease;
}
.channel:hover { background: var(--ground-2); }
.channel__label { font-size: 0.7rem; color: var(--muted); }
.channel__value { font-family: var(--font-display); font-size: 1.35rem; letter-spacing: -0.01em; }
.channel--wa { position: relative; }
.channel--wa::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: #25D366;
}
.channel--wa:hover { background: rgba(37, 211, 102, 0.06); }

/* minimized floating WhatsApp button: black circle, green glyph */
.wa-fab {
  position: fixed;
  right: clamp(1rem, 3vw, 1.75rem);
  bottom: clamp(1rem, 3vw, 1.75rem);
  z-index: 60;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #000;
  border: 1px solid var(--line);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.5);
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.wa-fab__icon {
  width: 24px;
  height: 24px;
  color: #25D366;
  transition: transform 0.2s ease;
}
.wa-fab:hover { transform: translateY(-2px); border-color: rgba(37, 211, 102, 0.6); }
.wa-fab:hover .wa-fab__icon { transform: scale(1.08); }
.wa-fab::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.45);
  animation: wa-pulse 2.8s ease-out infinite;
}
@keyframes wa-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4); }
  70%  { box-shadow: 0 0 0 12px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer { border-top: 1px solid var(--line); padding: 3rem 0; }
.footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 2rem;
}
.footer__brand img { height: 24px; width: auto; margin-bottom: 1rem; }
.footer__brand p { color: var(--muted); font-size: 0.92rem; max-width: 32ch; }
.footer__meta { display: flex; flex-direction: column; gap: 0.4rem; text-align: right; font-family: var(--font-mono); font-size: 0.82rem; color: var(--muted); }
.footer__meta a { transition: color 0.2s ease; }
.footer__meta a:hover { color: var(--text); }

/* ============================================================
   REVEAL ON SCROLL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal--left  { transform: translateX(-32px); }
.reveal--right { transform: translateX(32px); }
.reveal--scale { transform: scale(0.94); }
.reveal.is-in { opacity: 1; transform: none; }

/* ============================================================
   SECTION VARIATION (subtle glows so the page isn't flat)
   ============================================================ */
.contact { overflow: hidden; }
.contact::before {
  content: "";
  position: absolute;
  top: -40%;
  left: 50%;
  width: 90%;
  height: 90%;
  transform: translateX(-50%);
  background: radial-gradient(circle at center, rgba(160, 180, 210, 0.10), transparent 60%);
  pointer-events: none;
}
.contact__inner { position: relative; z-index: 1; }

/* ============================================================
   PROJECT DETAIL PAGE
   ============================================================ */
.detail-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
  transition: color 0.2s ease, gap 0.2s ease;
}
.detail-back:hover { color: var(--text); gap: 0.75rem; }

.detail-hero {
  position: relative;
  padding-top: 9rem;
  padding-bottom: 3.5rem;
  overflow: hidden;
}
.detail-hero .aurora { z-index: 0; }
.detail-hero > .container { position: relative; z-index: 1; }
.detail-eyebrow {
  display: block;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.74rem;
  color: var(--muted);
  margin: 2.2rem 0 1.2rem;
}
.detail-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.6rem, 7vw, 5rem);
  line-height: 1.0;
  letter-spacing: -0.03em;
}
.detail-logo { height: 44px; width: auto; margin-bottom: 1.6rem; }
.detail-summary {
  margin-top: 1.4rem;
  max-width: 54ch;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
}
.detail-hero__actions { margin-top: 2.2rem; display: flex; flex-wrap: wrap; gap: 0.9rem; }

.detail-shot {
  margin-top: 3rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ground-2);
}
.detail-shot img { width: 100%; height: auto; display: block; }

.detail-facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 3rem;
}
.fact { background: var(--ground); padding: 1.4rem 1.5rem; }
.fact dt {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.66rem;
  color: var(--muted);
  margin-bottom: 0.5rem;
}
.fact dd { font-family: var(--font-display); font-size: 1.05rem; }

.detail-body {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
.detail-body h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
  position: sticky;
  top: 6rem;
}
.detail-prose > * + * { margin-top: 1.2rem; }
.detail-prose p { color: var(--muted); font-size: 1.05rem; }
.detail-prose h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.25rem;
  margin-top: 2.4rem;
}
.detail-list { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 0.9rem; }
.detail-list li {
  position: relative;
  padding-left: 1.6rem;
  color: var(--muted);
}
.detail-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 7px;
  height: 7px;
  background: var(--text);
  transform: rotate(45deg);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 880px) {
  .nav__logo { display: none; }
  .nav__icon { display: block; }
  .nav__burger { display: flex; }

  .nav__menu {
    position: fixed;
    top: 0;
    right: 0;
    width: min(80vw, 320px);
    height: 100dvh;
    margin-left: 0;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0.4rem;
    padding: 5.5rem 1.6rem 2rem;
    background: rgba(10, 11, 13, 0.96);
    backdrop-filter: blur(16px);
    border-left: 1px solid var(--line);
    transform: translateX(100%);
    transition: transform 0.34s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 1.05rem;
  }
  .nav.is-open .nav__menu { transform: translateX(0); }
  .nav__menu > a:not(.btn) {
    color: var(--text);
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--line);
  }
  .nav__menu > a:not(.btn)::after { display: none; }
  .nav__cta { margin-top: 1.2rem; text-align: center; }

  /* burger -> X when open */
  .nav.is-open .nav__burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav.is-open .nav__burger span:nth-child(2) { opacity: 0; }
  .nav.is-open .nav__burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .steps { grid-template-columns: 1fr; }
  .step__num { margin-bottom: 1.5rem; }
  .projects { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr; }
  .faq__grid { grid-template-columns: 1fr; }
  .faq__head { position: static; margin-bottom: 2.5rem; }
  .footer__inner { flex-direction: column; align-items: flex-start; }
  .footer__meta { text-align: left; }
  .detail-facts { grid-template-columns: repeat(2, 1fr); }
  .detail-body { grid-template-columns: 1fr; gap: 1.5rem; }
  .detail-body h2 { position: static; }
}

@media (max-width: 600px) {
  .hero__title { font-size: clamp(2rem, 8.5vw, 2.7rem); letter-spacing: -0.02em; }
  .detail-title { font-size: clamp(2.2rem, 11vw, 3rem); }
}

@media (max-width: 480px) {
  .channel { min-width: 0; width: 100%; }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__actions .btn { width: 100%; }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .telemetry__track,
  .dot,
  .wa-fab::after,
  .hero__watermark,
  .aurora__blob,
  .hero__title { animation: none; }
  .hero__title { background-position: 0 0; }
  .hero__particles { display: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn:hover, a.project:hover { transform: none; }
}