/* =========================================================================
   ETIJTRAD — Motion layer (preloader, smooth scroll, reveals, transitions)
   Pairs with assets/js/fx.js. Everything here degrades to the plain site
   when JS is off or reduced-motion is requested.
   ========================================================================= */

/* ---------- Lenis smooth scroll ---------- */
html.lenis, html.lenis body{ height: auto; }
html.lenis.lenis-smooth{ scroll-behavior: auto !important; }
html.lenis-stopped, html.is-loading{ overflow: hidden; }
.lenis.lenis-smooth [data-lenis-prevent]{ overscroll-behavior: contain; }

/* ---------- Cover painted before JS runs (no flash of un-animated page) ---------- */
html.has-preloader::before,
html.arriving::before{
  content: "";
  position: fixed; inset: 0;
  background: var(--ink);
  z-index: 9998;
}

/* ---------- Preloader ---------- */
.preloader{
  position: fixed; inset: 0; z-index: 9999;
  background: var(--ink);
  color: var(--white);
  display: grid; place-items: center;
  overflow: hidden;
}
.preloader::after{                       /* soft brand glow */
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(50% 45% at 50% 55%, rgba(230,142,9,.14), transparent 70%);
  pointer-events: none;
}
.pl-center{ position: relative; z-index: 1; width: min(280px, 62vw); text-align: center; }
.pl-logo{ width: 100%; height: auto; margin: 0 auto; }
.pl-bar{ height: 1px; margin-top: 1.6rem; background: rgba(239,244,245,.16); overflow: hidden; }
.pl-bar i{ display: block; height: 100%; background: var(--sage-400); transform: scaleX(0); transform-origin: left; }
html[dir="rtl"] .pl-bar i{ transform-origin: right; }
.pl-count{
  position: absolute; z-index: 1;
  inset-inline: 0; bottom: clamp(1.5rem, 6vh, 3.5rem);
  display: flex; justify-content: center; align-items: baseline; gap: .15em;
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(2.6rem, 7vw, 5.5rem); line-height: 1;
  color: var(--sage-400); letter-spacing: .01em;
  font-variant-numeric: tabular-nums;
}
.pl-pct{ font-size: .45em; opacity: .7; }

/* ---------- Page transition curtain ---------- */
.page-curtain{
  position: fixed; inset: 0; z-index: 9997;
  background: var(--ink);
  display: grid; place-items: center;
  transform: translateY(100%);
  pointer-events: none;
  will-change: transform;
}
.page-curtain::after{
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(45% 40% at 50% 60%, rgba(230,142,9,.12), transparent 70%);
}
.page-curtain img{ width: 56px; height: auto; position: relative; z-index: 1; }

/* ---------- Scroll progress ---------- */
.scroll-progress{
  position: fixed; top: 0; inset-inline: 0; height: 3px; z-index: 200;
  background: linear-gradient(90deg, var(--sage), var(--sage-400));
  transform: scaleX(0); transform-origin: left;
  pointer-events: none;
}
html[dir="rtl"] .scroll-progress{ transform-origin: right; }

/* ---------- Split headings (word masks) ---------- */
.fx-w{ display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: .14em; margin-bottom: -.14em; }
.fx-wi{ display: inline-block; will-change: transform; }

/* ---------- Hero: zoom-settle + drawn geometry ---------- */
html.fx .hero-bg, html.fx .hero-parallax-mid{ scale: 1.22; }
html.is-ready .hero-bg{ animation: fxZoom 3s var(--ease-out) both; }
html.is-ready .hero-parallax-mid{ animation: fxZoom 3.4s var(--ease-out) both; }
@keyframes fxZoom{ from{ scale: 1.22; } to{ scale: 1; } }

.hero-lines{
  position: absolute; inset: 0; z-index: 2;
  filter: drop-shadow(0 0 3px rgba(248,176,68,.15));
  opacity: .3;
  width: 100%; height: 100%;
  pointer-events: none;
}
.hero-lines path{
  fill: none;
  stroke: rgba(239,244,245,.1);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
}
.hero-lines path.is-accent{ stroke: rgba(248,176,68,.5); stroke-width: 1; }
.hero-lines path.is-fill{ fill: rgba(248,176,68,.03); stroke: none; stroke-dasharray: none; stroke-dashoffset: 0; opacity: 0; }
html:not(.fx) .hero-lines path.is-fill{ opacity: 1; }
html:not(.fx) .hero-lines path{ stroke-dashoffset: 0; }

/* ---------- Magnetic buttons / tilt ---------- */
.btn.is-magnetic{ will-change: transform; }
.service-card{ transform-style: preserve-3d; }

/* ---------- Bigger-than-life closing card ---------- */
.cta-band{ will-change: transform; }

/* ---------- Image wrappers get a parallax overscan ---------- */
.fx-parallax{ overflow: hidden; }
.fx-parallax > img{ width: 100%; height: 100%; object-fit: cover; will-change: transform; }

@media (prefers-reduced-motion: reduce){
  html.has-preloader::before, html.arriving::before{ display: none; }
  .preloader, .page-curtain{ display: none; }
}

/* ---------- Section colour change on scroll ----------
   Each section owns a solid background (always readable). With JS, a
   section waits in the previous section's colour and changes to its own
   as you scroll into it. */
.fx-bg{ background-color: var(--bg-from) !important; transition: background-color .8s cubic-bezier(.22,.61,.36,1); }
.fx-bg.is-lit{ background-color: var(--bg-to) !important; }


html.fx-pin .portfolio-stack-visual{ position: relative; top: 0; will-change: transform; }
html.fx-pin .portfolio-stack-list{ padding-bottom: 24vh; }   /* lets the photo stay beside the last project */

/* ---------- Page-hero line art (Réalisations): portfolio skyline ---------- */
.page-hero:has(.pg-art) .container{ position: relative; }
.page-hero:has(.pg-art) .container > *:not(.pg-art){ position: relative; z-index: 1; }
.pg-art{
  position: absolute; z-index: 0; inset-inline-end: calc(var(--container-pad) * -.2); bottom: calc(var(--space-2xl) * -1 + 8px);
  width: min(52vw, 680px); height: auto; pointer-events: none; opacity: .95;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 24%);
  mask-image: linear-gradient(90deg, transparent 0%, #000 24%);
}
.pg-art path{
  stroke: rgba(239,244,245,.5); stroke-width: 1.4; vector-effect: non-scaling-stroke;
  stroke-dasharray: 1; stroke-dashoffset: 1;
  animation: pgDraw 2.2s var(--ease-out) forwards; animation-delay: calc(.5s + var(--i) * .13s);
}
.pg-art path.a{ stroke: var(--sage-400); stroke-width: 1.8; }
.pg-art path.ring{ stroke: rgba(248,176,68,.35); stroke-width: 1.2; }
@keyframes pgDraw{ to{ stroke-dashoffset: 0; } }
html[dir="rtl"] .pg-art{ transform: scaleX(-1); }
@media (max-width: 1100px){ .pg-art{ width: min(64vw, 520px); opacity: .34; } }
@media (prefers-reduced-motion: reduce){ .pg-art path{ animation: none; stroke-dashoffset: 0; } }

/* ---------- Page-hero line art: gentle ambient motion (after the drawing completes) ---------- */
.pg-art{ animation: pgBreathe 6s ease-in-out 3.5s infinite alternate; }
@keyframes pgBreathe{ from{ filter: drop-shadow(0 0 0 rgba(248,176,68,0)); } to{ filter: drop-shadow(0 0 7px rgba(248,176,68,.38)); } }
.pg-art path.ring{ transform-box: fill-box; transform-origin: center; animation: pgDraw 2.2s var(--ease-out) forwards, pgRing 7s ease-in-out 3s infinite alternate; animation-delay: calc(.5s + var(--i) * .13s), 3s; }
@keyframes pgRing{ from{ transform: scale(1); } to{ transform: scale(1.07); } }
/* services: roller drives along the slab, excavator boom swings */
.pg-art path.mv-x{ animation: pgDraw 2.2s var(--ease-out) forwards, pgRoll 9s ease-in-out 3.6s infinite alternate; animation-delay: calc(.5s + var(--i) * .13s), 3.6s; }
@keyframes pgRoll{ from{ transform: translateX(-26px); } to{ transform: translateX(46px); } }
.pg-art path.mv-boom{ transform-box: view-box; transform-origin: 88px 258px; animation: pgDraw 2.2s var(--ease-out) forwards, pgBoom 5s ease-in-out 3.6s infinite alternate; animation-delay: calc(.5s + var(--i) * .13s), 3.6s; }
@keyframes pgBoom{ from{ transform: rotate(-5deg); } to{ transform: rotate(7deg); } }
/* about: milestone dots pulse in turn */
.pg-art path.pulse{ transform-box: fill-box; transform-origin: center; animation: pgDraw 2.2s var(--ease-out) forwards, pgPulse 2.4s ease-in-out 3.2s infinite; animation-delay: calc(.5s + var(--i) * .13s), calc(3.2s + (var(--i) - 17) * .35s); }
@keyframes pgPulse{ 0%,100%{ transform: scale(1); } 50%{ transform: scale(1.9); } }
/* réalisations: flag waves, palm sways */
.pg-art path.wave{ transform-box: view-box; transform-origin: 300px 116px; animation: pgDraw 2.2s var(--ease-out) forwards, pgWave 2.6s ease-in-out 3.2s infinite alternate; animation-delay: calc(.5s + var(--i) * .13s), 3.2s; }
@keyframes pgWave{ from{ transform: skewY(-3deg) scaleX(1); } to{ transform: skewY(3deg) scaleX(.9); } }
.pg-art path.sway{ transform-box: view-box; transform-origin: 726px 300px; animation: pgDraw 2.2s var(--ease-out) forwards, pgSway 4.5s ease-in-out 3.4s infinite alternate; animation-delay: calc(.5s + var(--i) * .13s), 3.4s; }
@keyframes pgSway{ from{ transform: rotate(-2.5deg); } to{ transform: rotate(3deg); } }
@media (prefers-reduced-motion: reduce){ .pg-art, .pg-art path{ animation: none !important; } .pg-art path{ stroke-dashoffset: 0; } }

/* ---------- Portfolio page: SGTM-style intro (hairline columns, rising copy, shutter reveals) ---------- */
.pg-cols{ position: absolute; inset: 0; z-index: 0; display: flex; justify-content: space-between; padding-inline: var(--container-pad); pointer-events: none; }
.pg-cols i{ display: block; width: 1px; height: 100%; background: rgba(239,244,245,.1); transform: scaleY(0); transform-origin: top; }
html.is-ready .pg-cols i{ animation: pgColDraw 1.6s var(--ease-out) forwards; }
html.is-ready .pg-cols i:nth-child(2){ animation-delay: .12s; } html.is-ready .pg-cols i:nth-child(3){ animation-delay: .24s; }
html.is-ready .pg-cols i:nth-child(4){ animation-delay: .36s; } html.is-ready .pg-cols i:nth-child(5){ animation-delay: .48s; }
@keyframes pgColDraw{ to{ transform: scaleY(1); } }
html:not(.is-ready).fx.has-cols .pg-cols i{ transform: scaleY(0); }

/* page-hero copy rises once the loader lifts */
html.fx .page-hero .breadcrumb, html.fx .page-hero .eyebrow, html.fx .page-hero .lede{ opacity: 0; transform: translateY(18px); }
html.is-ready .page-hero .breadcrumb, html.is-ready .page-hero .eyebrow, html.is-ready .page-hero .lede{ animation: pgRise 1s var(--ease-out) forwards; }
html.is-ready .page-hero .breadcrumb{ animation-delay: .1s; }
html.is-ready .page-hero .eyebrow{ animation-delay: .25s; }
html.is-ready .page-hero .lede{ animation-delay: .95s; }
@keyframes pgRise{ to{ opacity: 1; transform: none; } }
html.fx .page-hero .cl-actions, html.fx .page-hero .cl-chips{ opacity: 0; transform: translateY(18px); }
html.is-ready .page-hero .cl-actions{ animation: pgRise 1s var(--ease-out) 1.15s forwards; }
html.is-ready .page-hero .cl-chips{ animation: pgRise 1s var(--ease-out) 1.3s forwards; }

/* project cards: shutter + index + count */
.pc-veil{ position: absolute; inset: 0; z-index: 4; background: linear-gradient(135deg, var(--sage), var(--sage-400)); transform: scaleY(0); transform-origin: 50% 100%; pointer-events: none; }
.pc-idx{ position: absolute; z-index: 3; top: var(--space-sm); inset-inline-start: var(--space-md);
  font-family: var(--font-display); font-weight: 500; font-size: 1.1rem; letter-spacing: .12em; color: rgba(239,244,245,.85);
  text-shadow: 0 1px 10px rgba(9,33,37,.55); }
.filter-count{ margin: var(--space-md) 0 0; color: var(--text-muted); font-size: .95rem; }
.filter-count b{ font-family: var(--font-display); font-size: 1.6em; color: var(--text-ink); margin-inline-end: .2em; }

/* ---------- Services page: stage rail, ghost numerals, blueprint frames ---------- */
.svc-sec{ position: relative; overflow: hidden; }
.svc-sec > .container{ position: relative; z-index: 1; }
.svc-ghost{
  position: absolute; z-index: 0; top: 4%; inset-inline-end: 3%;
  font-family: var(--font-display); font-weight: 700; line-height: .8;
  font-size: clamp(11rem, 26vw, 24rem); color: transparent;
  -webkit-text-stroke: 1.5px rgba(9,33,37,.09); pointer-events: none; user-select: none;
}
.svc-sec:nth-of-type(even) .svc-ghost{ inset-inline-end: auto; inset-inline-start: 3%; }
.svc-rule{ display: block; width: 88px; height: 4px; margin: 0 0 var(--space-md); border-radius: 4px; background: linear-gradient(90deg, var(--sage), var(--sage-400)); transform-origin: left; }
html[dir="rtl"] .svc-rule{ transform-origin: right; }
.svc-corner{ position: absolute; z-index: 3; width: 34px; height: 34px; pointer-events: none; }
.svc-corner::before{ content: ""; position: absolute; inset: 0; border: 3px solid var(--sage); }
.svc-corner-tl{ top: 16px; inset-inline-start: 16px; transform-origin: top left; }
.svc-corner-tl::before{ border-inline-end: 0; border-bottom: 0; border-start-start-radius: 8px; }
.svc-corner-tr{ top: 16px; inset-inline-end: 16px; transform-origin: top right; }
.svc-corner-tr::before{ border-inline-start: 0; border-bottom: 0; border-start-end-radius: 8px; }
.svc-corner-bl{ bottom: 16px; inset-inline-start: 16px; transform-origin: bottom left; }
.svc-corner-bl::before{ border-inline-end: 0; border-top: 0; border-end-start-radius: 8px; }
.svc-corner-br{ bottom: 16px; inset-inline-end: 16px; transform-origin: bottom right; }
.svc-corner-br::before{ border-inline-start: 0; border-top: 0; border-end-end-radius: 8px; }
html[dir="rtl"] .svc-corner-tl, html[dir="rtl"] .svc-corner-bl{ transform-origin: top right; }

.svc-rail{
  position: fixed; z-index: 80; top: 50%; inset-inline-start: clamp(14px, 2vw, 34px);
  transform: translateY(-50%); display: none; flex-direction: column; gap: 1.4rem;
  padding-inline-start: 22px; opacity: 0; pointer-events: none;
  transition: opacity .5s var(--ease-out);
  --p: 0;
}
.svc-rail.is-on{ opacity: 1; pointer-events: auto; }
.svc-rail::before, .svc-rail-fill{ content: ""; position: absolute; inset-inline-start: 5px; top: 4px; bottom: 4px; width: 2px; background: var(--stone-200); border-radius: 2px; }
.svc-rail-fill{ background: linear-gradient(180deg, var(--sage), var(--sage-400)); transform: scaleY(var(--p)); transform-origin: top; }
.svc-rail a{ position: relative; display: flex; align-items: center; gap: .7rem; color: var(--text-muted); font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; font-weight: 600; }
.svc-rail a::before{ content: ""; position: absolute; inset-inline-start: -22px; width: 12px; height: 12px; border-radius: 50%; background: var(--white); border: 2px solid var(--stone-400); transition: background-color .4s var(--ease-out), border-color .4s var(--ease-out), transform .4s var(--ease-out); }
.svc-rail a b{ font-family: var(--font-display); font-weight: 600; font-size: 1.15rem; letter-spacing: .04em; }
.svc-rail a span{ max-width: 0; overflow: hidden; white-space: nowrap; opacity: 0; transition: max-width .5s var(--ease-out), opacity .4s var(--ease-out); }
.svc-rail a.is-active{ color: var(--text-ink); }
.svc-rail a.is-active::before{ background: var(--sage); border-color: var(--sage); transform: scale(1.35); }
.svc-rail a:hover span{ max-width: 12rem; opacity: 1; background: var(--white); padding: .25rem .6rem; border-radius: 8px; box-shadow: 0 10px 24px -14px rgba(9,33,37,.5); }
@media (min-width: 1360px){ .svc-rail{ display: flex; } }
@media (prefers-reduced-motion: reduce){ .svc-rail{ display: none !important; } }

/* contact hero: pulsing location ping */
.pg-art path.ping{ transform-box: fill-box; transform-origin: center; animation: pgDraw 2.2s var(--ease-out) forwards, pgPing 2.8s ease-out 3s infinite; animation-delay: calc(.5s + var(--i) * .13s), 3s; }
@keyframes pgPing{ from{ transform: scale(.4); opacity: 1; } to{ transform: scale(3); opacity: 0; } }

/* ---------- Shared card polish ---------- */
main .card, main .service-card:not(.icon){ position: relative; }
main .card::before, main .service-card:not(.icon)::before{                 /* cursor spotlight */
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; z-index: 0;
  background: radial-gradient(260px circle at var(--mx, 50%) var(--my, 0%), rgba(230,142,9,.15), transparent 70%);
  opacity: 0; transition: opacity .4s var(--ease-out);
}
main .card:hover::before, main .service-card:not(.icon):hover::before{ opacity: 1; }
main .card::after, main .service-card:not(.icon)::after{                   /* orange line draws along the top edge */
  content: ""; position: absolute; top: 0; inset-inline: 0; height: 3px; border-radius: 3px 3px 0 0; pointer-events: none;
  background: linear-gradient(90deg, var(--sage), var(--sage-400)); transform: scaleX(0); transform-origin: left; transition: transform 1.3s var(--ease-out);
}
html[dir="rtl"] main .card::after, html[dir="rtl"] main .service-card:not(.icon)::after{ transform-origin: right; }
main .card.is-in::after, main .service-card.is-in:not(.icon)::after{ transform: scaleX(1); }
main .card > *:not(.card-idx), main .service-card:not(.icon) > *:not(.card-idx){ position: relative; z-index: 1; }

/* home: process steps */
.step{ position: relative; padding-top: var(--space-sm); }
.step::before{ content: ""; position: absolute; top: 0; inset-inline: 0; height: 1px; background: var(--sage); transform: scaleX(0); transform-origin: left; transition: transform 1.2s var(--ease-out); opacity: .55; }
html[dir="rtl"] .step::before{ transform-origin: right; }
.step.is-in::before{ transform: scaleX(1); }
.step .idx{ transition: transform .9s var(--ease-out), opacity .9s var(--ease-out); }
html.fx .step:not(.is-in) .idx{ transform: translateX(-14px); opacity: 0; }
html[dir="rtl"].fx .step:not(.is-in) .idx{ transform: translateX(14px); }

/* about: ghost year, stat rings, value-card numerals */
.svc-ghost-year{ font-size: clamp(9rem, 24vw, 22rem); top: 6%; }
.stat{ position: relative; }
.stat-ring{ position: absolute; bottom: .3rem; inset-inline-end: .6rem; width: clamp(40px, 3.6vw, 52px); transform: rotate(-90deg); pointer-events: none; opacity: .9; }
.stat-ring circle{ fill: none; stroke: var(--stone-200); stroke-width: 5; }
.stat-ring circle.o{ stroke: var(--sage); stroke-width: 7; stroke-linecap: round; }
html[dir="rtl"] .stat-ring{ transform: rotate(-90deg) scaleY(-1); }
.card-idx{ position: absolute; z-index: 1; top: var(--space-sm); inset-inline-end: var(--space-md); font-family: var(--font-display); font-weight: 500; font-size: 2.6rem; line-height: 1; color: transparent; -webkit-text-stroke: 1px var(--stone-400); transition: color .5s var(--ease-out), -webkit-text-stroke-color .5s var(--ease-out); }
.service-card:hover .card-idx{ color: var(--sage); -webkit-text-stroke-color: var(--sage); }

/* contact: field focus bar */
.field{ position: relative; }
.field input, .field textarea, .field select{ transition: border-color .3s var(--ease-out), box-shadow .3s var(--ease-out); }
.field:focus-within input, .field:focus-within textarea, .field:focus-within select{ border-color: var(--sage); box-shadow: 0 0 0 4px rgba(230,142,9,.14); }
.field:focus-within label{ color: var(--sage-700); }

/* home: live process */
html.has-proc .step{ opacity: .4; transition: opacity .6s var(--ease-out); }
html.has-proc .step.is-active{ opacity: 1; }
html.has-proc .step.is-active .idx{ transform: scale(1.18); transform-origin: left center; }
html[dir="rtl"].has-proc .step.is-active .idx{ transform-origin: right center; }
.proc-chip{ position: absolute; z-index: 4; inset-inline-start: 18px; bottom: 26px; display: inline-flex; align-items: center; gap: .7rem; padding: .55rem 1rem .55rem .55rem; border-radius: var(--radius-pill); background: rgba(9,33,37,.82); backdrop-filter: blur(8px); color: var(--white); font-size: .9rem; font-weight: 600; }
.proc-chip b{ display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--sage); color: var(--ink); font-family: var(--font-display); font-size: 1.05rem; }
.proc-bar{ position: absolute; z-index: 4; inset-inline: 0; bottom: 0; height: 5px; background: linear-gradient(90deg, var(--sage), var(--sage-400)); transform-origin: left; }
html[dir="rtl"] .proc-bar{ transform-origin: right; }

/* ---------- Phones: full pictures + a pinned gallery photo ---------- */
@media (max-width: 900px){
  .portfolio-stack{ display: flex; flex-direction: column; gap: var(--space-md); }
  .portfolio-stack-visual{ order: -1; z-index: 6; aspect-ratio: 16 / 9; border-radius: var(--radius-md); box-shadow: 0 18px 38px -14px rgba(0,0,0,.7); border: 1px solid var(--line-dark); }
  .portfolio-stack-list{ padding-bottom: 12vh; }
  .portfolio-stack-title{ font-size: clamp(1.6rem, 7vw, 2.2rem); }
  .dir-arch{ aspect-ratio: 3 / 4; }
  .fx-parallax > img{ transform: none !important; }
  .svc-ghost{ opacity: .6; }
}
html.fx-pin .portfolio-stack-list{ padding-bottom: 24vh; }

@media (max-width: 900px){
  html.has-proc .grid > div[data-reveal]:has(.proc-chip){ order: -1; z-index: 6; aspect-ratio: 16 / 10 !important; box-shadow: 0 18px 38px -14px rgba(9,33,37,.55); }
  .proc-chip{ bottom: 18px; font-size: .8rem; }
}