/* ==========================================================================
   ABYAR AL-RUMAILA ENERGY — Chrome & UI
   Preloader · Nav · Menu · Cursor · Buttons · Marquee · Rail · Footer
   ========================================================================== */

/* ---------------------------------------------------------------- Preloader */

.preloader {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  grid-template-rows: 1fr auto;
  background: var(--ink-1000);
  padding: var(--pad-x);
  overflow: hidden;
}
.preloader__center {
  display: grid;
  place-items: center;
  align-content: center;
  gap: 2.2rem;
}
.preloader__mark {
  width: clamp(96px, 13vw, 190px);
  color: var(--sand);
  opacity: 0.92;
}
.preloader__mark svg { width: 100%; height: auto; }
.preloader__mark .draw {
  stroke-linecap: round;
  stroke-width: 11;
}
.preloader__word {
  font-family: var(--f-mono);
  font-size: var(--t-100);
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--sand-34);
  padding-left: 0.42em;
  overflow: hidden;
}
.preloader__word span { display: inline-block; }

.preloader__foot {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid var(--line-2);
  padding-top: 1.1rem;
}
.preloader__meta {
  font-family: var(--f-mono);
  font-size: var(--t-100);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sand-34);
}
.preloader__count {
  font-family: var(--f-display);
  font-variation-settings: "wdth" 125, "wght" 700;
  font-size: clamp(3rem, 11vw, 9rem);
  line-height: 0.8;
  letter-spacing: -0.04em;
  color: var(--sand);
  font-variant-numeric: tabular-nums;
}
.preloader__count sup {
  font-size: 0.24em;
  vertical-align: super;
  color: var(--sand-34);
  letter-spacing: 0;
}
.preloader__bar {
  position: absolute;
  left: 0; bottom: 0;
  height: 2px;
  width: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--blue-500), var(--green-500));
}

/* curtain panels used for the reveal */
.curtain {
  position: fixed;
  inset: 0;
  z-index: 199;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  pointer-events: none;
}
.curtain__panel { background: var(--ink-1000); transform-origin: 50% 100%; }

/* ---------------------------------------------------------------------- Nav */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 90;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  pointer-events: none;
}
.nav__inner {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--pad-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  pointer-events: auto;
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  flex: none;
}
.nav__brand svg, .nav__brand img { width: clamp(26px, 2.4vw, 34px); height: auto; }
.nav__brandtype {
  display: grid;
  line-height: 1;
}
.nav__brandtype b {
  font-family: var(--f-display);
  font-variation-settings: "wdth" 108, "wght" 700;
  font-size: var(--t-200);
  letter-spacing: 0.01em;
  text-transform: uppercase;
}
.nav__brandtype i {
  font-family: var(--f-mono);
  font-style: normal;
  font-size: 0.60rem;
  letter-spacing: 0.30em;
  text-transform: uppercase;
  color: var(--green-500);
  margin-top: 3px;
}
@media (max-width: 560px) { .nav__brandtype { display: none; } }

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 2.2rem);
}
@media (max-width: 1024px) { .nav__links { display: none; } }

.nav__link {
  position: relative;
  font-family: var(--f-mono);
  font-size: var(--t-100);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sand-52);
  transition: color var(--d-fast) var(--e-out);
  padding-block: 4px;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: 100% 50%;
  transition: transform var(--d-mid) var(--e-out);
}
.nav__link:hover { color: var(--sand); }
.nav__link:hover::after { transform: scaleX(1); transform-origin: 0 50%; }
.nav__link.is-active { color: var(--green-500); }

.nav__right { display: flex; align-items: center; gap: clamp(.75rem, 1.4vw, 1.4rem); }
@media (max-width: 560px) {
  .nav__cta { padding: 0.8rem 1.05rem; font-size: 0.62rem; letter-spacing: 0.12em; }
}
@media (max-width: 400px) { .nav__cta { display: none; } }

body.is-locked .nav__links,
body.is-locked .nav__cta { opacity: 0; pointer-events: none; }
.nav__links, .nav__cta { transition: opacity .45s var(--e-out); }

.nav--hidden { transform: translateY(-105%); }
.nav { transition: transform 0.55s var(--e-out); }

/* nav on light sections */
.nav.is-inverted .nav__link { color: rgba(7,36,65,.58); }
.nav.is-inverted .nav__link:hover { color: var(--ink-800); }
.nav.is-inverted .nav__brandtype b { color: var(--ink-800); }
.nav.is-inverted .burger__box { border-color: rgba(7,36,65,.24); }
.nav.is-inverted .burger__box span { background: var(--ink-800); }
.nav.is-inverted .nav__brand .mark-mono { color: var(--ink-800); }

/* Burger */
.burger {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--f-mono);
  font-size: var(--t-100);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: inherit;
}
.burger__box {
  width: 46px; height: 46px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: grid;
  place-content: center;
  gap: 5px;
  transition: border-color var(--d-fast) var(--e-out), background var(--d-fast) var(--e-out);
}
.burger:hover .burger__box { border-color: var(--green-500); }
.burger__box span {
  display: block;
  width: 17px; height: 1.5px;
  background: var(--sand);
  transition: transform 0.5s var(--e-out), opacity 0.3s;
}
.burger.is-open .burger__box span:nth-child(1) { transform: translateY(3.25px) rotate(45deg); }
.burger.is-open .burger__box span:nth-child(2) { transform: translateY(-3.25px) rotate(-45deg); }
@media (max-width: 560px) { .burger__label { display: none; } }

/* ------------------------------------------------------------- Overlay menu */

.menu {
  position: fixed;
  inset: 0;
  z-index: 88;
  background: var(--ink-1000);
  display: grid;
  grid-template-rows: var(--nav-h) 1fr auto;
  padding-inline: var(--pad-x);
  clip-path: inset(0 0 100% 0);
  visibility: hidden;
  overflow: hidden;
}
.menu.is-open { visibility: visible; }
.menu__bg {
  position: absolute;
  inset: 0;
  opacity: 0.20;
  pointer-events: none;
  transition: opacity .6s var(--e-out);
}
.menu__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(94deg, rgba(2,9,15,.92) 0%, rgba(2,9,15,.55) 46%, rgba(2,9,15,.30) 100%);
}
.menu__bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity .7s var(--e-out); position: absolute; inset: 0; }
.menu__bg img.is-live { opacity: 1; }
.menu__list {
  align-self: center;
  max-width: var(--maxw);
  width: 100%;
  margin-inline: auto;
  position: relative;
  z-index: 1;
}
.menu__item { border-top: 1px solid var(--line-2); }
.menu__item:last-child { border-bottom: 1px solid var(--line-2); }
.menu__link {
  display: flex;
  align-items: baseline;
  gap: clamp(1rem, 3vw, 3rem);
  padding-block: clamp(0.5rem, 1.5vh, 1.1rem);
  overflow: hidden;
}
.menu__num {
  font-family: var(--f-mono);
  font-size: var(--t-100);
  color: var(--sand-34);
  flex: none;
  width: 3ch;
}
.menu__label {
  font-family: var(--f-display);
  font-variation-settings: "wdth" 112, "wght" 700;
  font-size: clamp(1.9rem, 6.4vw, 5.4rem);
  line-height: 1;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: var(--sand-52);
  transition: color .5s var(--e-out), transform .7s var(--e-out), font-variation-settings .7s var(--e-out);
}
.menu__link:hover .menu__label {
  color: var(--sand);
  transform: translateX(clamp(8px, 1.4vw, 26px));
  font-variation-settings: "wdth" 125, "wght" 800;
}
@media (hover: none), (pointer: coarse) {
  .menu__label { color: var(--sand); }
}
.menu__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2.5rem;
  justify-content: space-between;
  padding-block: clamp(1.2rem, 4vh, 2.6rem);
  border-top: 1px solid var(--line-2);
  max-width: var(--maxw);
  width: 100%;
  margin-inline: auto;
  position: relative; z-index: 1;
}

/* ------------------------------------------------------------- Custom cursor */

.cursor {
  position: fixed;
  top: 0; left: 0;
  z-index: 150;
  pointer-events: none;
  mix-blend-mode: difference;
  will-change: transform;
}
.cursor__dot {
  position: absolute;
  width: 7px; height: 7px;
  margin: -3.5px 0 0 -3.5px;
  border-radius: 50%;
  background: #fff;
}
.cursor__ring {
  position: absolute;
  width: 44px; height: 44px;
  margin: -22px 0 0 -22px;
  border: 1px solid rgba(255,255,255,.55);
  border-radius: 50%;
  display: grid;
  place-items: center;
}
.cursor__label {
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #fff;
  opacity: 0;
  white-space: nowrap;
}
@media (hover: none), (pointer: coarse) { .cursor { display: none; } }

/* ------------------------------------------------------------------ Buttons */

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1.05rem 1.6rem;
  font-family: var(--f-mono);
  font-size: var(--t-100);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sand);
  border: 1px solid var(--line);
  border-radius: 100px;
  overflow: hidden;
  isolation: isolate;
  transition: color .45s var(--e-out), border-color .45s var(--e-out);
}
.btn__fill {
  position: absolute;
  inset: -1px;
  background: var(--green-500);
  border-radius: inherit;
  transform: translateY(101%);
  z-index: -1;
}
.btn:hover { color: #041018; border-color: var(--green-500); }
.btn__arrow { width: 15px; height: 15px; flex: none; overflow: hidden; }
.btn__arrow svg { width: 100%; height: 100%; }
.btn--solid { background: var(--sand); color: var(--ink-900); border-color: var(--sand); }
.btn--solid .btn__fill { background: var(--green-400); }
.btn--solid:hover { color: #041018; border-color: var(--green-400); }
.btn--ghost { border-color: var(--line); }
.invert .btn { color: var(--ink-800); border-color: rgba(7,36,65,.2); }
.invert .btn:hover { color: #041018; }

/* Small circular link */
.circ {
  width: clamp(88px, 9vw, 128px);
  aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--f-mono);
  font-size: var(--t-100);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-align: center;
  transition: background .5s var(--e-out), color .5s var(--e-out), border-color .5s var(--e-out);
}
.circ:hover { background: var(--green-500); color: #041018; border-color: var(--green-500); }

/* ------------------------------------------------------------------ Marquee */

.marquee {
  position: relative;
  overflow: hidden;
  border-block: 1px solid var(--line-2);
  padding-block: clamp(0.7rem, 1.3vw, 1.15rem);
  background: rgba(4,16,31,.55);
  backdrop-filter: blur(6px);
}
.marquee__track {
  display: flex;
  width: max-content;
  will-change: transform;
}
.marquee__group {
  display: flex;
  align-items: center;
  gap: clamp(1.4rem, 3vw, 3rem);
  padding-right: clamp(1.4rem, 3vw, 3rem);
  flex: none;
}
.marquee__item {
  font-family: var(--f-mono);
  font-size: var(--t-100);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--sand-52);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: clamp(1.4rem, 3vw, 3rem);
}
.marquee__item::after {
  content: "";
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--green-600);
  flex: none;
}
.marquee--lg .marquee__item {
  font-family: var(--f-display);
  font-variation-settings: "wdth" 118, "wght" 700;
  font-size: clamp(2.6rem, 8vw, 8rem);
  letter-spacing: -0.03em;
  color: var(--sand);
  line-height: 0.9;
}
.marquee--lg .marquee__item::after { width: 12px; height: 12px; background: var(--green-500); }
.marquee--outline .marquee__item {
  color: transparent;
  -webkit-text-stroke: 1px var(--sand-34);
}

/* -------------------------------------------------------------- Scroll rail */

.rail {
  position: fixed;
  right: clamp(12px, 1.6vw, 26px);
  top: 50%;
  transform: translateY(-50%);
  z-index: 80;
  display: grid;
  gap: 0.85rem;
  pointer-events: auto;
}
@media (max-width: 900px) { .rail { display: none; } }
.rail__dot {
  --s: 6px;
  width: var(--s); height: var(--s);
  border-radius: 50%;
  background: var(--sand-16);
  position: relative;
  transition: background .4s var(--e-out), transform .4s var(--e-out);
}
.rail__dot::after {
  content: attr(data-label);
  position: absolute;
  right: calc(100% + 14px);
  top: 50%;
  transform: translate(6px, -50%);
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sand-52);
  white-space: nowrap;
  opacity: 0;
  transition: opacity .35s var(--e-out), transform .35s var(--e-out);
  pointer-events: none;
}
.rail__dot:hover::after { opacity: 1; transform: translate(0, -50%); }
.rail__dot.is-active { background: var(--green-500); transform: scale(1.7); }
.rail.is-inverted .rail__dot { background: rgba(7,36,65,.22); }
.rail.is-inverted .rail__dot.is-active { background: var(--green-700); }
.rail.is-inverted .rail__dot::after { color: rgba(7,36,65,.6); }

.progressbar {
  position: fixed;
  left: 0; top: 0;
  height: 2px;
  width: 100%;
  transform-origin: 0 50%;
  transform: scaleX(0);
  background: linear-gradient(90deg, var(--blue-500), var(--green-500));
  z-index: 95;
}

/* ------------------------------------------------------------------- Footer */

.footer {
  position: relative;
  background: var(--ink-1000);
  padding-top: clamp(4rem, 9vh, 8rem);
  overflow: hidden;
}
.footer__wordmark {
  font-family: var(--f-display);
  font-variation-settings: "wdth" 125, "wght" 800;
  font-size: clamp(2.6rem, 12.6vw, 15rem);
  line-height: 0.82;
  letter-spacing: -0.045em;
  text-transform: uppercase;
  color: transparent;
  -webkit-text-stroke: 1px var(--sand-16);
  white-space: nowrap;
  user-select: none;
}
.footer__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: clamp(1.6rem, 3vw, 3rem);
  padding-block: clamp(2.5rem, 6vh, 5rem);
  border-top: 1px solid var(--line-2);
}
@media (max-width: 900px) { .footer__grid { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 520px) { .footer__grid { grid-template-columns: 1fr; } }
.footer__col h3 {
  font-family: var(--f-mono);
  font-size: var(--t-100);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green-500);
  margin-bottom: 1.1rem;
}
.footer__col a, .footer__col p { color: var(--sand-70); display: block; }
.footer__col a { transition: color .3s var(--e-out); width: fit-content; }
.footer__col a:hover { color: var(--green-400); }
.footer__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.6rem;
  justify-content: space-between;
  padding-block: 1.4rem;
  border-top: 1px solid var(--line-2);
  font-family: var(--f-mono);
  font-size: var(--t-100);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sand-34);
}

/* --------------------------------------------------------------- Skip link */

.skip {
  position: absolute;
  left: 50%; top: 8px;
  transform: translate(-50%, -180%);
  z-index: 300;
  background: var(--green-500);
  color: #041018;
  padding: 0.6rem 1.1rem;
  font-family: var(--f-mono);
  font-size: var(--t-100);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: transform .3s var(--e-out);
}
.skip:focus { transform: translate(-50%, 0); }