/* ═══════════════════════════════════════════
   RSMLH SOLUTIONS — cinematic scroll site
   obsidian / bone / glacial cyan
   ═══════════════════════════════════════════ */

/* tokens live in tokens.css — linked before this file in every page head */

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

html { scroll-behavior: auto; overflow-x: clip; }

html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

.skip {
  position: fixed; top: 1.25rem; left: 1.5rem; z-index: var(--z-max);
  background: var(--accent); color: var(--bg);
  padding: 0.8rem 1.4rem; border-radius: 99px;
  text-decoration: none;
  transform: translateY(calc(-100% - 2rem));
  transition: transform 0.2s var(--ease-out);
}
.skip:focus-visible { transform: none; }
[dir="rtl"] .skip { left: auto; right: 1.5rem; }

::selection { background: var(--accent); color: var(--bg); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 2px;
}

.mono {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

sup { font-size: 0.35em; vertical-align: super; }

/* ─── preloader ─── */
.preloader {
  position: fixed; inset: 0; z-index: var(--z-max);
  background: var(--bg);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 1.5rem;
  transition: opacity 0.9s var(--ease-inout), visibility 0.9s;
}
.preloader.is-done { opacity: 0; visibility: hidden; }
.preloader__mark {
  font-family: var(--display); font-weight: 600;
  font-size: clamp(2rem, 5vw, 3.5rem); letter-spacing: 0.04em;
}
.preloader__bar {
  width: min(280px, 60vw); height: 1px;
  background: var(--ink-15);
}
.preloader__fill {
  width: 100%; height: 100%;
  background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.25s var(--ease-out);
}
[dir="rtl"] .preloader__fill { transform-origin: right; }
.preloader__pct { color: var(--ink-dim); }

/* ─── grain + cursor ─── */
.grain {
  position: fixed; inset: -100%; z-index: var(--z-veil); pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.05;
  animation: grain 0.6s steps(4) infinite;
}
@keyframes grain {
  0% { transform: translate(0, 0); }
  25% { transform: translate(-2%, 3%); }
  50% { transform: translate(3%, -2%); }
  75% { transform: translate(-3%, -3%); }
  100% { transform: translate(2%, 2%); }
}

.cursor, .cursor-ring {
  position: fixed; top: 0; left: 0; z-index: var(--z-cursor);
  pointer-events: none; border-radius: 50%;
  will-change: transform;
}
.cursor {
  width: 6px; height: 6px; background: var(--accent);
  transform: translate(-50%, -50%);
}
/* ring is a state indicator, not a follower: appears only over interactive
   elements, tracks the pointer instantly, animates opacity alone */
.cursor-ring {
  width: 44px; height: 44px;
  border: 1px solid var(--accent);
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.25s var(--ease-out);
}
.cursor-ring.is-hover { opacity: 1; }
@media (hover: none) { .cursor, .cursor-ring { display: none; } }

/* ─── nav ─── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: var(--z-nav);
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.5rem 2.5rem;
  text-shadow: 0 1px 14px var(--veil-70);
}
.nav__logo {
  font-family: var(--display); font-weight: 600;
  font-size: 1.15rem; letter-spacing: 0.04em;
  color: var(--ink); text-decoration: none;
}
.logo-accent { color: var(--accent); }
.nav__links { display: flex; gap: 2rem; align-items: center; }
.nav__right { display: flex; gap: 1.5rem; align-items: center; }
.nav__links a, .nav__cta, .nav__lang {
  color: var(--ink); text-decoration: none;
  opacity: 0.75; transition: opacity 0.3s;
  white-space: nowrap;
}
.nav__links a:hover, .nav__cta:hover, .nav__lang:hover { opacity: 1; }
.nav__cta { border: 1px solid var(--ink-38); padding: 0.55rem 1.1rem; border-radius: 99px; }
@media (max-width: 1080px) { .nav__links { gap: 1.2rem; } }
/* mobile keeps the language toggle + CTA — only the anchor links collapse */
@media (max-width: 720px) { .nav__links { display: none; } .nav { padding: 1.25rem 1.5rem; } .nav__right { gap: 1.1rem; } }

/* ─── persistent orbit stage ─── */
.orbit-stage {
  position: fixed; inset: 0; z-index: var(--z-stage);
  pointer-events: none;
  will-change: transform, opacity;
  -webkit-mask-image: radial-gradient(90% 90% at 50% 50%, #000 34%, transparent 70%);
  mask-image: radial-gradient(90% 90% at 50% 50%, #000 34%, transparent 70%);
}
#hero-canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%; display: block;
  background: var(--bg);
}
main { position: relative; z-index: var(--z-content); }

/* ─── hero ─── */
.hero { height: 520vh; position: relative; }
.hero__sticky {
  position: sticky; top: 0; height: 100vh; height: 100svh;
  overflow: hidden;
}
.hero__vignette {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse at center, transparent 45%, var(--veil-80) 100%),
    linear-gradient(to bottom, var(--veil-45), transparent 22%, transparent 78%, var(--veil-70));
}

/* HUD */
.hud span {
  position: absolute; z-index: 5;
  color: var(--ink-50);
}
.hud__tl { top: 5.2rem; left: 2.5rem; }
.hud__tr { top: 5.2rem; right: 2.5rem; }
.hud__bl { bottom: 2rem; left: 2.5rem; color: var(--accent-dim); }
.hud__br { bottom: 2rem; right: 2.5rem; }
@media (max-width: 720px) { .hud__tr, .hud__br { display: none; } .hud__tl, .hud__bl { left: 1.5rem; } }

/* chapters */
.chapter {
  position: absolute; inset: 0; z-index: 4;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center; padding: 0 1.5rem;
  opacity: 0; visibility: hidden;
  pointer-events: none;
}
.chapter > * { pointer-events: auto; }
.chapter__kicker { color: var(--accent); margin-bottom: 1.2rem; }
.chapter__title {
  font-family: var(--display); font-weight: 500;
  font-size: clamp(3rem, 9vw, 8.5rem);
  line-height: 1.02; letter-spacing: -0.01em;
  text-shadow: 0 4px 60px var(--veil-80);
}
.chapter--0 .chapter__title { font-weight: 600; letter-spacing: 0.01em; }
.line { display: block; overflow: hidden; }
.line > span { display: inline-block; will-change: transform; }
.line--accent > span { color: var(--accent); }
.chapter__sub { margin-top: 1.6rem; color: var(--ink-dim); }

.hero__scrollhint {
  position: absolute; bottom: 5.5rem; left: 50%;
  transform: translateX(-50%);
  color: var(--ink-dim);
  display: flex; flex-direction: column; align-items: center; gap: 0.7rem;
}
.hero__scrollline {
  width: 1px; height: 48px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollline 1.8s var(--ease-inout) infinite;
  transform-origin: top;
}
@keyframes scrollline {
  0% { transform: scaleY(0); }
  45% { transform: scaleY(1); transform-origin: top; }
  55% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* buttons */
.btn {
  display: inline-block; margin-top: 2.4rem;
  font-family: var(--mono); font-size: 0.75rem;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--bg); background: var(--accent);
  text-decoration: none; border-radius: 99px;
  padding: 1.1rem 2.4rem;
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s;
  will-change: transform;
}
.btn:hover { box-shadow: 0 0 50px var(--accent-dim); }
.btn--big { font-size: 1rem; padding: 1.5rem 3.4rem; }

/* ─── manifesto ─── */
.manifesto {
  min-height: 100vh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 22vh 8vw;
  background: linear-gradient(180deg, var(--veil-45), var(--veil-55));
}
.manifesto__label { color: var(--accent); margin-bottom: 2.5rem; }
.manifesto__text {
  font-family: var(--display); font-weight: 400;
  font-size: clamp(1.7rem, 4.2vw, 3.6rem);
  line-height: 1.28; letter-spacing: -0.005em;
  max-width: 20ch; max-width: 24ch;
}
.manifesto__text .w { opacity: 0.12; transition: none; }
.manifesto__text .acc { color: var(--accent); } /* no-JS accent fallback */

/* ─── section heads ─── */
.section-head { padding: 0 8vw 5rem; }
.section-head__label { color: var(--accent); margin-bottom: 1.4rem; }
.section-head__title {
  font-family: var(--display); font-weight: 500;
  font-size: clamp(2.6rem, 6.5vw, 5.5rem);
  line-height: 1.05;
}

/* ─── services : stacked cards ─── */
.services { padding: 14vh 0 18vh; background: var(--veil-55); }
.cards { padding: 0 8vw; }
.card {
  position: sticky; top: 12vh;
  margin-bottom: 3.5rem;
}
.card__inner {
  background: linear-gradient(160deg, var(--card-hi), var(--card-lo));
  border: 1px solid var(--ink-10);
  border-radius: 20px;
  padding: clamp(2rem, 5vw, 4.5rem);
  min-height: 52vh;
  display: flex; flex-direction: column; justify-content: flex-end;
  position: relative; overflow: hidden;
  transform-origin: center top;
  will-change: transform;
}
.card__inner::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(600px circle at var(--mx, 50%) var(--my, 0%), var(--accent-glow), transparent 60%);
  pointer-events: none;
}
.card__num {
  position: absolute; top: clamp(1.6rem, 4vw, 3.5rem); right: clamp(1.6rem, 4vw, 3.5rem);
  font-size: clamp(2.6rem, 7vw, 6rem); letter-spacing: 0;
  color: transparent;
  -webkit-text-stroke: 1px var(--accent-dim);
}
.card__title {
  font-family: var(--display); font-weight: 500;
  font-size: clamp(2rem, 5vw, 4rem);
  margin-bottom: 1.2rem;
}
.card__desc { color: var(--ink-dim); max-width: 52ch; font-size: clamp(1rem, 1.4vw, 1.15rem); }
.card__tags { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 2rem; list-style: none; }
.card__tags li {
  border: 1px solid var(--ink-15);
  border-radius: 99px; padding: 0.45rem 1rem;
  color: var(--ink-dim);
}

/* ─── process : horizontal ─── */
.process { position: relative; background: var(--veil-80); }
.process__pin {
  height: 100vh; overflow: hidden;
  display: flex; flex-direction: column; justify-content: center;
  position: relative;
}
#interior-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  opacity: 0.22; pointer-events: none; z-index: 0;
  -webkit-mask-image: radial-gradient(115% 105% at 50% 50%, #000 42%, transparent 96%);
  mask-image: radial-gradient(115% 105% at 50% 50%, #000 42%, transparent 96%);
}
.process__pin > .section-head--overlay, .process__pin > .process__track {
  position: relative; z-index: 1;
}
.section-head--overlay { padding-top: 10vh; padding-bottom: 3rem; }
.process__track {
  display: flex; gap: 2.5rem;
  padding: 0 8vw; width: max-content;
  will-change: transform;
}
.step {
  width: clamp(300px, 34vw, 460px);
  border-top: 1px solid var(--ink-15);
  padding-top: 2rem; flex-shrink: 0;
}
.step__num { color: var(--accent); display: block; margin-bottom: 1.2rem; font-size: 0.8rem; }
.step h3 {
  font-family: var(--display); font-weight: 500;
  font-size: clamp(1.8rem, 3vw, 2.6rem); margin-bottom: 1rem;
}
.step p { color: var(--ink-dim); }

/* ─── marquee ─── */
.marquee { overflow: hidden; padding: 7rem 0; background: var(--veil-55); }
.marquee__row {
  display: flex; gap: 3rem; width: max-content;
  font-family: var(--display); font-weight: 400;
  font-size: clamp(2rem, 5vw, 4.5rem);
  color: var(--ink-22);
  white-space: nowrap;
  will-change: transform;
}

/* ─── why us : ledger ─── */
.why { padding: 18vh 0 20vh; background: var(--veil-60); }
.why__list { padding: 0 8vw; }
.why__row {
  display: grid;
  grid-template-columns: 5rem 1.1fr 1fr;
  gap: 2.5rem; align-items: baseline;
  padding: 3rem 0;
  position: relative;
}
.why__row::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0;
  height: 1px; background: var(--ink-15);
  transform: scaleX(0); transform-origin: left;
  transition: transform 1.1s var(--ease-inout) 0.15s;
}
.why__row.is-in::before { transform: scaleX(1); }
[dir="rtl"] .why__row::before { transform-origin: right; }
.why__num { color: var(--accent); font-size: 0.8rem; }
.why__claim {
  font-family: var(--display); font-weight: 500;
  font-size: clamp(1.6rem, 3.2vw, 2.7rem);
  line-height: 1.12;
  transition: color 0.4s;
}
.why__row:hover .why__claim { color: var(--accent); }
.why__badge {
  display: inline-block; vertical-align: middle;
  border: 1px solid var(--accent); border-radius: 99px;
  color: var(--accent);
  font-size: 0.6rem; letter-spacing: 0.16em; text-transform: uppercase;
  padding: 0.32rem 0.85rem;
  margin-inline-start: 1rem;
  transform: translateY(-0.35em);
  white-space: nowrap;
}
.why__desc { color: var(--ink-dim); max-width: 46ch; }
@media (max-width: 860px) {
  .why__row { grid-template-columns: 3rem 1fr; gap: 1.2rem; }
  .why__desc { grid-column: 2; }
}

/* ─── contact ─── */
.contact {
  min-height: 92vh;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center; padding: 12vh 1.5rem;
  background: radial-gradient(ellipse 80% 55% at 50% 110%, var(--accent-glow), transparent), var(--bg);
}
.contact .section-head__label { margin-bottom: 2rem; }
.contact__title {
  font-family: var(--display); font-weight: 500;
  font-size: clamp(3rem, 9vw, 8rem); line-height: 1.04;
}

/* ─── footer ─── */
.footer {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
  padding: 2rem 2.5rem;
  /* clearance for the floating WhatsApp pill (inline-end flips with dir) */
  padding-inline-end: 11rem;
  color: var(--ink-dim);
  border-top: 1px solid var(--ink-10);
}
@media (max-width: 720px) { .footer { padding-inline-end: 5rem; } }

/* ─── site HUD: progress bar + section label + clock ─── */
.progressbar {
  position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: var(--z-hud);
  pointer-events: none;
}
.progressbar i {
  display: block; height: 100%;
  background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  box-shadow: 0 0 12px var(--accent-dim);
}
[dir="rtl"] .progressbar i { transform-origin: right; }
.sitehud {
  position: fixed; bottom: 1.05rem; left: 50%; transform: translateX(-50%);
  z-index: var(--z-hud); display: flex; gap: 1.4rem;
  color: var(--ink-50);
  mix-blend-mode: difference; pointer-events: none;
  font-size: 0.625rem;
}
#sitehud-label { color: var(--accent); }
@media (max-width: 720px) { .sitehud { display: none; } }

/* ─── letter reveal ─── */
.ch { display: inline-block; will-change: transform; }

/* ─── manifesto accents ─── */
.w--accent { color: var(--accent); }

/* ─── living card backgrounds ─── */
.card { perspective: 1200px; }
.card__inner { transform-style: preserve-3d; }
.card__inner::before {
  content: ""; position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0.18; filter: saturate(0.75) brightness(0.85);
  pointer-events: none;
}
/* four distinct beats: whole → cracked glow → burst (bolt right) → reforming core.
   Positions bias the subject upward, clear of the bottom-left text block. */
.card:nth-child(1) .card__inner::before { background-image: url("../assets/card-01.webp"); background-position: center 22%; }
.card:nth-child(2) .card__inner::before { background-image: url("../assets/card-02.webp"); background-position: center 32%; }
.card:nth-child(3) .card__inner::before { background-image: url("../assets/card-03.webp"); background-position: center 42%; }
.card:nth-child(4) .card__inner::before { background-image: url("../assets/card-04.webp"); background-position: center 30%; }
.card__inner > * { position: relative; z-index: 1; }

/* ─── contact ambient orbit ─── */
.contact { position: relative; overflow: hidden; }
#contact-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  opacity: 0.32; pointer-events: none;
  -webkit-mask-image: radial-gradient(75% 62% at 50% 42%, #000 25%, transparent 98%);
  mask-image: radial-gradient(75% 62% at 50% 42%, #000 25%, transparent 98%);
}
.contact > * { position: relative; z-index: 1; }

/* ─── whatsapp ─── */
.whatsapp {
  position: fixed; bottom: 1.6rem; right: 1.6rem; z-index: var(--z-hud);
  display: flex; align-items: center; gap: 0.7rem;
  padding: 0.9rem 1.35rem;
  background: var(--card-hi);
  border: 1px solid var(--ink-15);
  border-radius: 99px;
  color: var(--ink); text-decoration: none;
  opacity: 0; transform: translateY(16px); pointer-events: none;
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out),
              border-color 0.3s, box-shadow 0.3s;
}
.whatsapp.is-visible { opacity: 1; transform: none; pointer-events: auto; }
.whatsapp:hover { border-color: var(--accent); box-shadow: 0 0 30px var(--accent-glow); }
.whatsapp:active { transform: translateY(1px); }
.whatsapp svg { width: 18px; height: 18px; fill: var(--accent); flex-shrink: 0; }
[dir="rtl"] .whatsapp { right: auto; left: 1.6rem; }
@media (max-width: 720px) {
  .whatsapp { bottom: 1.2rem; right: 1.2rem; padding: 0.9rem; }
  [dir="rtl"] .whatsapp { right: auto; left: 1.2rem; }
  .whatsapp__label { display: none; }
}

.contact__whatsapp {
  display: inline-block; margin-top: 1.6rem;
  color: var(--ink-dim); text-decoration: none;
  transition: color 0.3s;
}
.contact__whatsapp:hover { color: var(--accent); }

/* ─── lead form ─── */
.lead {
  width: min(560px, 100%);
  margin: 4.5rem auto 0;
  text-align: start;
}
.lead__hint { color: var(--ink-dim); margin-bottom: 2.2rem; }
.lead__trap { display: none; }
.lead__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1.8rem; }
@media (max-width: 560px) { .lead__grid { grid-template-columns: 1fr; } }
.lead__field { display: block; margin-bottom: 1.9rem; }
.lead__field > span { display: block; margin-bottom: 0.55rem; color: var(--ink-dim); }
.lead__field input, .lead__field textarea {
  width: 100%;
  background: none; border: 0; border-radius: 0;
  border-bottom: 1px solid var(--ink-15);
  color: var(--ink);
  font-family: var(--body); font-size: 1rem;
  padding: 0.55rem 0.1rem;
  transition: border-color 0.3s, box-shadow 0.3s;
  resize: vertical;
}
.lead__field input:hover, .lead__field textarea:hover { border-bottom-color: var(--ink-38); }
.lead__field input:focus-visible, .lead__field textarea:focus-visible {
  outline: none;
  border-bottom-color: var(--accent);
  box-shadow: 0 1px 0 0 var(--accent);
}
.lead__field input:user-invalid, .lead__field textarea:user-invalid {
  border-bottom-color: var(--danger);
}
.lead__submit { border: 0; cursor: pointer; margin-top: 0.5rem; }
.btn:disabled { opacity: 0.5; pointer-events: none; }

/* ─── reduced motion ─── */
@media (prefers-reduced-motion: reduce) {
  .grain, .hero__scrollline { animation: none; }
  .cursor, .cursor-ring { display: none; }
  .whatsapp { transition: opacity 0.15s ease-out; transform: none; }
}