/* ===========================================================
   Rimal Mas — Golden Sands · editorial identity
   Fraunces (display, the design/craft voice) +
   IBM Plex Sans / Plex Sans Arabic (the engineering voice)
   ink #2A2016 · gold #A67D44 · pearl #E7C883 ·
   sand #F3EADB · cream #FBF6EC
   =========================================================== */

:root {
  --bg:        #F3EADB;   /* sand */
  --surface:   #FBF6EC;   /* cream */
  --surface-2: #EFE6D3;
  --ink:       #2A2016;   /* espresso */
  --ink-soft:  #4A3E30;
  --muted:     #7C6A52;
  --line:      #E4D6BE;
  --line-2:    #D6C4A8;   /* taupe */
  --accent:    #A67D44;   /* regal gold */
  --accent-ink:#7E5A27;
  --accent-tint: rgba(166,125,68,0.14);
  --glow:      rgba(166,125,68,0.16);
  --wine:      #7E5A27;   /* deep gold — emphasis (light) */
  --wine-hover:#6A4C20;
  --sage-ink:  #7C6A52;   /* category tags — warm taupe */
  --sage-tint: rgba(166,125,68,0.12);
  --cream:     #FBF6EC;   /* text on gold emphasis */
  /* theme-aware emphasis: warm gold family in both modes */
  --cta-bg:      #A67D44;
  --cta-bg-hover:#7E5A27;
  --cta-text:    #FBF6EC;
  --emphasis:    #7E5A27;  /* hero italic word */

  --maxw: 1120px;
  --gutter: clamp(1.25rem, 4vw, 3rem);

  --f-display: 'Fraunces', Georgia, serif;
  --f-body:    'IBM Plex Sans', system-ui, sans-serif;
  --f-mono:    'IBM Plex Mono', ui-monospace, monospace;
  --f-ar:      'IBM Plex Sans Arabic', system-ui, sans-serif;

  --step--1: clamp(0.82rem, 0.79rem + 0.15vw, 0.9rem);
  --step-0:  clamp(1rem, 0.96rem + 0.2vw, 1.12rem);
  --step-1:  clamp(1.2rem, 1.1rem + 0.5vw, 1.45rem);
  --step-2:  clamp(1.55rem, 1.35rem + 1vw, 2.1rem);
  --step-3:  clamp(2.1rem, 1.7rem + 2vw, 3.2rem);
  --step-4:  clamp(2.8rem, 2rem + 4vw, 5rem);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:        #14100B;
    --surface:   #1E1811;
    --surface-2: #251E15;
    --ink:       #F1E7D6;
    --ink-soft:  #D9CDB8;
    --muted:     #A7967C;
    --line:      #2E2519;
    --line-2:    #3A3020;
    --accent:    #C79A57;
    --accent-ink:#E0C07E;
    --accent-tint: rgba(199,154,87,0.16);
    --glow:      rgba(199,154,87,0.14);
    --wine:      #E0C07E;
    --wine-hover:#C79A57;
    --sage-ink:  #C7B393;
    --sage-tint: rgba(199,154,87,0.14);
    --cream:     #F1E7D6;
    /* dark: gold emphasis with dark text for contrast */
    --cta-bg:      #C79A57;
    --cta-bg-hover:#E0C07E;
    --cta-text:    #14100B;
    --emphasis:    #E0C07E;
  }
}
/* explicit theme overrides win over the media query in both directions */
:root[data-theme="light"] {
  --bg:#F3EADB; --surface:#FBF6EC; --surface-2:#EFE6D3;
  --ink:#2A2016; --ink-soft:#4A3E30; --muted:#7C6A52;
  --line:#E4D6BE; --line-2:#D6C4A8;
  --accent:#A67D44; --accent-ink:#7E5A27; --accent-tint:rgba(166,125,68,0.14); --glow:rgba(166,125,68,0.16);
  --wine:#7E5A27; --wine-hover:#6A4C20; --sage-ink:#7C6A52; --sage-tint:rgba(166,125,68,0.12); --cream:#FBF6EC;
  --cta-bg:#A67D44; --cta-bg-hover:#7E5A27; --cta-text:#FBF6EC; --emphasis:#7E5A27;
}
:root[data-theme="dark"] {
  --bg:#14100B; --surface:#1E1811; --surface-2:#251E15;
  --ink:#F1E7D6; --ink-soft:#D9CDB8; --muted:#A7967C;
  --line:#2E2519; --line-2:#3A3020;
  --accent:#C79A57; --accent-ink:#E0C07E; --accent-tint:rgba(199,154,87,0.16); --glow:rgba(199,154,87,0.14);
  --wine:#E0C07E; --wine-hover:#C79A57; --sage-ink:#C7B393; --sage-tint:rgba(199,154,87,0.14); --cream:#F1E7D6;
  --cta-bg:#C79A57; --cta-bg-hover:#E0C07E; --cta-text:#14100B; --emphasis:#E0C07E;
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: var(--step-0);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background .4s ease, color .4s ease;
}
html[lang="ar"] body { font-family: var(--f-ar); line-height: 1.85; }

img { max-width: 100%; display: block; }
::selection { background: var(--accent-tint); }

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

/* language visibility */
html[lang="en"] .ar-only { display: none !important; }
html[lang="ar"] .en-only { display: none !important; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 1.5rem; height: 68px; }
.brand { display: flex; align-items: center; gap: .5rem; text-decoration: none; color: var(--ink); }
.brand-logo {
  display: block; width: 54px; height: 54px;
  background: url("rimal-mas-logo-light.png") no-repeat center / contain;
  transition: opacity .3s ease;
}
.brand:hover .brand-logo { opacity: .82; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .brand-logo { background-image: url("rimal-mas-logo-dark.png"); }
}
:root[data-theme="dark"]  .brand-logo { background-image: url("rimal-mas-logo-dark.png"); }
:root[data-theme="light"] .brand-logo { background-image: url("rimal-mas-logo-light.png"); }
.brand-mark { font-family: var(--f-display); font-weight: 600; font-size: 1.4rem; letter-spacing: .01em; }
.brand-ar { font-family: var(--f-ar); font-weight: 500; color: var(--accent); font-size: 1.15rem; }

.nav { display: flex; gap: clamp(1rem, 2.5vw, 2rem); margin-inline-start: auto; }
.nav a {
  color: var(--ink-soft); text-decoration: none; font-size: var(--step--1);
  font-weight: 500; letter-spacing: .01em; position: relative; padding-block: .35rem;
}
.nav a::after {
  content:""; position:absolute; inset-inline-start:0; bottom:0; height:1.5px; width:0;
  background: var(--accent); transition: width .25s ease;
}
.nav a:hover { color: var(--ink); }
.nav a:hover::after { width: 100%; }

.controls { display: flex; align-items: center; gap: .5rem; margin-inline-start: .5rem; }
.ctl {
  font-family: var(--f-mono); font-size: .78rem; font-weight: 500;
  color: var(--ink-soft); background: transparent; cursor: pointer;
  border: 1px solid var(--line-2); border-radius: 999px; padding: .4rem .7rem;
  transition: border-color .2s, color .2s, background .2s;
}
html[lang="ar"] #lang-toggle { font-family: var(--f-ar); }
.ctl:hover { color: var(--ink); border-color: var(--accent); }
.ctl-icon { display: grid; place-items: center; width: 34px; height: 34px; padding: 0; color: var(--ink-soft); }
.nav-toggle { display: none; width: 44px; height: 44px; }
.i-close { display: none; }
.nav-toggle[aria-expanded="true"] .i-burger { display: none; }
.nav-toggle[aria-expanded="true"] .i-close { display: block; }
.mobile-nav {
  display: none; flex-direction: column; gap: .25rem;
  border-top: 1px solid var(--line); background: var(--bg);
  padding: .75rem var(--gutter) 1.25rem;
}
.mobile-nav[hidden] { display: none; }
.mobile-nav a {
  color: var(--ink); text-decoration: none; font-size: var(--step-0); font-weight: 500;
  padding: .85rem .25rem; min-height: 44px; display: flex; align-items: center;
  border-bottom: 1px solid var(--line);
}
.mobile-nav a:last-child { border-bottom: 0; }
.mobile-nav a:hover, .mobile-nav a:focus-visible { color: var(--accent-ink); }
.i-moon { display: none; }
:root[data-theme="dark"] .i-sun { display: none; }
:root[data-theme="dark"] .i-moon { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .i-sun { display: none; }
  :root:not([data-theme="light"]) .i-moon { display: block; }
}

/* ---------- shared type ---------- */
.eyebrow {
  font-family: var(--f-mono); font-size: .78rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: .18em; color: var(--accent-ink);
  margin: 0 0 1rem;
}
html[lang="ar"] .eyebrow { font-family: var(--f-ar); text-transform: none; letter-spacing: normal; font-weight: 600; }

.section-title {
  font-family: var(--f-display); font-weight: 500; font-size: var(--step-3);
  line-height: 1.08; letter-spacing: -0.015em; text-wrap: balance; margin: 0 0 1rem;
}
html[lang="ar"] .section-title { font-family: var(--f-ar); font-weight: 600; letter-spacing: normal; line-height: 1.35; }

.section-sub { color: var(--muted); max-width: 56ch; margin: 0; font-size: var(--step-1); line-height: 1.6; }

.lead { color: var(--ink-soft); font-size: var(--step-1); max-width: 62ch; line-height: 1.6; }

/* ---------- hero ---------- */
.hero { position: relative; padding-block: clamp(4.5rem, 9vw, 8.5rem) clamp(3.5rem, 7vw, 6rem); overflow: hidden; }
.hero-glow {
  position: absolute; inset-inline-start: 50%; top: -12%;
  width: min(900px, 90vw); aspect-ratio: 1; transform: translateX(-50%);
  background: radial-gradient(circle at 50% 40%, var(--glow), transparent 62%);
  pointer-events: none; filter: blur(6px); z-index: 0;
  animation: heroDrift 20s ease-in-out infinite alternate;
}
@keyframes heroDrift {
  0%   { transform: translateX(-50%) translateY(0) scale(1); opacity: .85; }
  100% { transform: translateX(-52%) translateY(4%) scale(1.1); opacity: 1; }
}
.hero .wrap { position: relative; z-index: 1; }

/* ---------- hero drifting lines ---------- */
.hero-lines { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; overflow: visible; }
.hero-lines path { fill: none; stroke-width: 1.5; vector-effect: non-scaling-stroke; stroke-linecap: round; }
.hero-lines g { transform-box: fill-box; transform-origin: center; will-change: transform; }
.hero-lines .hl-a { animation: hlA 8s ease-in-out infinite alternate; }
.hero-lines .hl-b { animation: hlB 9s ease-in-out infinite alternate; }
.hero-lines .hl-c { animation: hlC 7s ease-in-out infinite alternate .5s; }
.hero-lines .hl-d { animation: hlD 10s ease-in-out infinite alternate; }
.hero-lines .hl-e { animation: hlE 8.5s ease-in-out infinite alternate .3s; }
@keyframes hlA { from { transform: translate(0,0) rotate(0); } to { transform: translate(22px,-16px) rotate(1.2deg); } }
@keyframes hlB { from { transform: translate(0,0); } to { transform: translate(-20px,14px); } }
@keyframes hlC { from { transform: translate(0,0) rotate(0); } to { transform: translate(16px,18px) rotate(-1deg); } }
@keyframes hlD { from { transform: translate(0,0); } to { transform: translate(-14px,-12px); } }
@keyframes hlE { from { transform: translate(0,0) rotate(0); } to { transform: translate(-18px,-14px) rotate(.8deg); } }

/* ---------- hero entrance (Bucket 1) ---------- */
.hero-el { opacity: 0; transform: translateY(22px); transition: opacity .8s ease, transform .8s cubic-bezier(.22,.61,.36,1); }
body.is-loaded .hero-el { opacity: 1; transform: none; }
.hero .eyebrow.hero-el { transition-delay: .10s; }
.hero-title.hero-el {
  clip-path: inset(0 0 108% 0); transform: translateY(.35em);
  transition: opacity .9s ease .20s, transform .9s cubic-bezier(.22,.61,.36,1) .20s, clip-path .9s cubic-bezier(.22,.61,.36,1) .20s;
}
body.is-loaded .hero-title.hero-el { clip-path: inset(0 0 -.18em 0); transform: none; }
.hero .lead.hero-el { transition-delay: .40s; }
.hero-cta.hero-el { transition-delay: .55s; }
/* the emphasis word lands last, colour-shifting in after the headline unveils */
.hero-title em { transition: color .6s ease .95s; }
body:not(.is-loaded) .hero-title em { color: var(--ink); }
.hero-title {
  font-family: var(--f-display); font-weight: 500;
  font-size: var(--step-4); line-height: 1.02; letter-spacing: -0.025em;
  text-wrap: balance; margin: 0 0 1.5rem; max-width: 16ch;
}
.hero-title em { font-style: italic; color: var(--emphasis); font-weight: 500; }
html[lang="ar"] .hero-title { font-family: var(--f-ar); font-weight: 600; letter-spacing: normal; line-height: 1.3; max-width: 20ch; }
html[lang="ar"] .hero-title em { font-style: normal; }

.hero-cta { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2.2rem; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--f-body); font-weight: 500; font-size: var(--step--1);
  text-decoration: none; padding: .8rem 1.5rem; border-radius: 999px;
  border: 1px solid transparent; cursor: pointer; letter-spacing: .01em;
  transition: transform .2s ease, background .2s, color .2s, border-color .2s, box-shadow .2s;
}
html[lang="ar"] .btn { font-family: var(--f-ar); }
.btn-primary { background: var(--cta-bg); color: var(--cta-text); position: relative; overflow: hidden; }
.btn-primary > span { position: relative; z-index: 1; }
.btn-primary::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(115deg, transparent 32%, rgba(255,255,255,.22) 50%, transparent 68%);
  transform: translateX(-120%); transition: transform .6s ease;
}
.btn-primary:hover::before { transform: translateX(120%); }
.btn-primary:hover { background: var(--cta-bg-hover); transform: translateY(-2px); box-shadow: 0 12px 26px -12px var(--cta-bg); }
.btn-ghost { color: var(--ink); border-color: var(--line-2); background: transparent; }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-ink); transform: translateY(-2px); }
.btn-lg { padding: 1rem 2rem; font-size: var(--step-0); font-family: var(--f-mono); letter-spacing: .02em; }
html[lang="ar"] .btn-lg { font-family: var(--f-ar); }

/* ---------- sections ---------- */
.section { padding-block: clamp(4rem, 8vw, 7rem); }
.section-alt { background: var(--surface-2); border-block: 1px solid var(--line); }
.section-head { margin-bottom: clamp(2.5rem, 5vw, 4rem); max-width: 62ch; }

/* ---------- services grid ---------- */
.grid { display: grid; gap: 1.25rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 16px; padding: clamp(1.5rem, 3vw, 2.2rem);
  position: relative; transition: transform .25s ease, border-color .25s, box-shadow .25s;
}
.card::before {
  content:""; position:absolute; inset-inline-start: clamp(1.5rem,3vw,2.2rem); top: 0;
  width: 34px; height: 3px; background: var(--accent); border-radius: 0 0 3px 3px;
  opacity: .0; transition: opacity .25s ease, width .25s ease;
}
.card:hover { transform: translateY(-4px); border-color: var(--line-2); box-shadow: 0 18px 40px -28px rgba(0,0,0,.4); }
.card:hover::before { opacity: 1; width: 52px; }
.card-title { font-family: var(--f-display); font-weight: 600; font-size: var(--step-1); margin: 0 0 .75rem; line-height: 1.2; letter-spacing: -0.01em; }
html[lang="ar"] .card-title { font-family: var(--f-ar); letter-spacing: normal; line-height: 1.4; }
.card p { margin: 0; color: var(--muted); font-size: var(--step-0); line-height: 1.62; }

/* ---------- how I work: process steps ---------- */
.steps {
  list-style: none; margin: 0 0 1.5rem; padding: 0;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(1.25rem, 3vw, 2rem);
}
.steps-note {
  margin: 0 0 clamp(2rem, 4vw, 3rem); max-width: 62ch;
  color: var(--muted); font-size: var(--step--1); line-height: 1.6;
  border-inline-start: 2px solid var(--accent-tint); padding-inline-start: .9rem;
}
.steps li { border-top: 2px solid var(--accent); padding-top: 1rem; }
.step-n {
  display: block; font-family: var(--f-mono); font-size: .74rem; font-weight: 500;
  letter-spacing: .12em; color: var(--accent-ink); margin-bottom: .5rem;
}
.step-t { font-family: var(--f-display); font-weight: 600; font-size: var(--step-1); margin: 0 0 .5rem; line-height: 1.2; letter-spacing: -0.01em; }
html[lang="ar"] .step-t { font-family: var(--f-ar); letter-spacing: normal; line-height: 1.4; }
.steps p { margin: 0; color: var(--muted); font-size: var(--step--1); line-height: 1.6; }
.engage { margin-top: 0; }

/* ---------- case studies ---------- */
.nda-note { font-size: var(--step--1); color: var(--muted); font-style: italic; }
html[lang="ar"] .nda-note { font-style: normal; }
.case {
  display: grid; grid-template-columns: 220px 1fr; gap: clamp(1.5rem, 4vw, 3.5rem);
  padding-block: clamp(2.2rem, 4vw, 3rem); border-top: 1px solid var(--line-2);
}
.case:last-child { border-bottom: 1px solid var(--line-2); }
.case-meta { display: flex; flex-direction: column; gap: .6rem; }
.case-tag {
  align-self: start; font-family: var(--f-mono); font-size: .74rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: .1em; color: var(--sage-ink);
  background: var(--sage-tint); padding: .35rem .7rem; border-radius: 999px;
}
html[lang="ar"] .case-tag { font-family: var(--f-ar); text-transform: none; letter-spacing: normal; }
.case-role { font-size: var(--step--1); color: var(--muted); }
.case-title { font-family: var(--f-display); font-weight: 500; font-size: var(--step-2); line-height: 1.15; letter-spacing: -0.015em; margin: 0 0 1.5rem; text-wrap: balance; }
html[lang="ar"] .case-title { font-family: var(--f-ar); font-weight: 600; letter-spacing: normal; line-height: 1.4; }
.case-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.75rem; margin: 0; }
.case-cols dt {
  font-family: var(--f-mono); font-size: .74rem; font-weight: 500; text-transform: uppercase;
  letter-spacing: .12em; color: var(--accent-ink); margin: 0 0 .6rem;
  padding-top: .7rem; display: inline-block; position: relative;
}
.case-cols dt::before {
  content: ""; position: absolute; top: 0; inset-inline-start: 0; height: 2px; width: 100%;
  background: var(--accent); transform: scaleX(0); transform-origin: left;
  transition: transform .6s cubic-bezier(.22,.61,.36,1) .15s;
}
html[dir="rtl"] .case-cols dt::before { transform-origin: right; }
.case.in .case-cols dt::before { transform: scaleX(1); }
html[lang="ar"] .case-cols dt { font-family: var(--f-ar); text-transform: none; letter-spacing: normal; font-weight: 600; }
.case-cols dd { margin: 0; color: var(--muted); font-size: var(--step--1); line-height: 1.6; }

/* ---------- about ---------- */
.about-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.about-text p { color: var(--ink-soft); }
.about-text p + p { margin-top: 1.1rem; }
.about-side { position: sticky; top: 96px; display: flex; flex-direction: column; gap: 1.5rem; }
.stats { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 1.1rem; }
.stats li { border-inline-start: 2px solid var(--accent); padding-inline-start: 1rem; }
.stat-n { display: block; font-family: var(--f-display); font-weight: 600; font-size: var(--step-2); line-height: 1.1; color: var(--ink); direction: ltr; }
html[lang="ar"] .stat-n { font-family: var(--f-ar); text-align: right; }
.stat-l { display: block; font-size: var(--step--1); color: var(--muted); margin-top: .2rem; }
.edu { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 1.4rem; }
.edu-label { font-family: var(--f-mono); font-size: .74rem; text-transform: uppercase; letter-spacing: .12em; color: var(--accent-ink); margin: 0 0 .5rem; }
html[lang="ar"] .edu-label { font-family: var(--f-ar); text-transform: none; letter-spacing: normal; }
.edu-body { margin: 0; font-size: var(--step--1); color: var(--muted); line-height: 1.55; }

/* ---------- testimonials ---------- */
.quotes { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
.quote {
  margin: 0; background: var(--surface); border: 1px solid var(--line);
  border-radius: 16px; padding: clamp(1.5rem, 3vw, 2.2rem);
  display: flex; flex-direction: column; gap: 1.1rem;
}
.quote-wide { grid-column: 1 / -1; }
.quote p {
  font-family: var(--f-display); font-weight: 400; font-style: italic;
  font-size: var(--step-1); line-height: 1.4; color: var(--ink); margin: 0;
  position: relative;
}
html[lang="ar"] .quote p { font-family: var(--f-ar); font-style: normal; line-height: 1.8; }
.quote footer {
  font-family: var(--f-mono); font-size: var(--step--1); color: var(--accent-ink);
  letter-spacing: .02em; margin-top: auto; padding-top: .25rem;
  border-top: 2px solid var(--accent-tint); display: inline-block;
}
html[lang="ar"] .quote footer { font-family: var(--f-ar); letter-spacing: normal; }

/* ---------- contact ---------- */
.contact { text-align: center; }
.contact-inner { max-width: 640px; margin-inline: auto; }
.contact .lead { margin-inline: auto; }
.contact-title { font-family: var(--f-display); font-weight: 500; font-size: var(--step-3); line-height: 1.05; letter-spacing: -0.02em; margin: 0 0 1rem; text-wrap: balance; }
html[lang="ar"] .contact-title { font-family: var(--f-ar); font-weight: 600; letter-spacing: normal; line-height: 1.3; }
.contact-cta { display: flex; flex-wrap: wrap; gap: .6rem; justify-content: center; margin-top: 2rem; }
.contact-cta .btn-lg { padding-inline: 1.25rem; }
@media (min-width: 600px) { .contact-cta { flex-wrap: nowrap; } }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding-block: 2.5rem; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.foot-meta { font-size: var(--step--1); color: var(--muted); }
.foot-copy { font-family: var(--f-mono); font-size: var(--step--1); color: var(--muted); }
html[lang="ar"] .foot-copy { font-family: var(--f-ar); }

/* ---------- reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s cubic-bezier(.22,.61,.36,1); }
.reveal.in { opacity: 1; transform: none; }
/* case studies ease in from the inline-start (mirrors in RTL) */
.case.reveal { transform: translateX(-30px); }
.case.reveal.in { transform: none; }
html[dir="rtl"] .case.reveal { transform: translateX(30px); }
html[dir="rtl"] .case.reveal.in { transform: none; }

/* ---------- scroll progress bar (Bucket 4) ---------- */
.scroll-progress {
  position: fixed; top: 0; inset-inline: 0; height: 2px; z-index: 60;
  background: var(--accent); transform: scaleX(0); transform-origin: left; will-change: transform;
}
html[dir="rtl"] .scroll-progress { transform-origin: right; }

@media (prefers-reduced-motion: reduce) {
  .reveal, .case.reveal { opacity: 1; transform: none; transition: none; }
  .hero-el, .hero-title.hero-el { opacity: 1; transform: none; clip-path: none; transition: none; }
  .hero-title em { color: var(--emphasis); transition: none; }
  .hero-glow { animation: none; }
  .hero-lines g { animation: none; }
  .case-cols dt::before { transform: scaleX(1); transition: none; }
  .btn-primary::before { display: none; }
}

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .nav { display: none; }
  .nav-toggle { display: grid; }
  .mobile-nav:not([hidden]) { display: flex; }
  .steps { grid-template-columns: 1fr; gap: 1.5rem; }
  .grid-2 { grid-template-columns: 1fr; }
  .quotes { grid-template-columns: 1fr; }
  .case { grid-template-columns: 1fr; gap: 1.25rem; }
  .case-cols { grid-template-columns: 1fr; gap: 1.25rem; }
  .about-grid { grid-template-columns: 1fr; }
  .about-side { position: static; }
}