/* ==========================================================================
   Rahand Agency — styles
   tokens → base → backdrop → header → buttons → hero → marquee → sections
   → modal → motion → responsive → a11y
   RTL: all spacing uses logical properties, so one stylesheet serves LTR and RTL.
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
  --bg: #05060d;
  --bg-2: #0a0c18;
  --surface: rgba(255, 255, 255, 0.045);
  --surface-hi: rgba(255, 255, 255, 0.08);
  --line: rgba(255, 255, 255, 0.1);
  --text: #eef0f8;
  --muted: #9aa0b8;
  --teal: #5eead4;
  --violet: #a78bfa;
  --amber: #fbbf24;
  --wa: #25d366;
  --danger: #fb7185;
  --grad: linear-gradient(120deg, var(--teal), var(--violet) 60%, #f0abfc);

  --font-latin: "Inter", system-ui, sans-serif;
  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-arabic: "Vazirmatn", "Segoe UI", Tahoma, sans-serif;
  --font-body: var(--font-latin);
  --font-head: var(--font-display);

  --r-lg: 28px;
  --r-md: 18px;
  --gutter: clamp(1.1rem, 4vw, 3rem);
  --maxw: 1200px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --header-h: 72px;
}
html[dir="rtl"] { --font-body: var(--font-arabic); --font-head: var(--font-arabic); }

/* ---------- 2. Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text); font-family: var(--font-body);
  font-size: 1rem; line-height: 1.65; overflow-x: hidden; -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.12; margin: 0; letter-spacing: -0.02em; }
html[dir="rtl"] h1, html[dir="rtl"] h2, html[dir="rtl"] h3, html[dir="rtl"] h4 { letter-spacing: 0; line-height: 1.3; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; border-radius: 6px; }
::selection { background: rgba(167, 139, 250, 0.4); }

.container { width: min(100% - 2 * var(--gutter), var(--maxw)); margin-inline: auto; }
.skip-link {
  position: fixed; inset-block-start: -60px; inset-inline-start: 1rem; z-index: 200;
  background: var(--teal); color: #04120f; padding: 0.6rem 1rem; border-radius: 10px; transition: inset-block-start 0.2s;
}
.skip-link:focus { inset-block-start: 1rem; }

/* ---------- 3. Backdrop ---------- */
#bg { position: fixed; inset: 0; width: 100%; height: 100%; z-index: -3; display: block; }
.bg-fallback {
  position: fixed; inset: 0; z-index: -4; transition: opacity 0.8s;
  background:
    radial-gradient(60vw 50vh at 20% 20%, rgba(94, 234, 212, 0.18), transparent 60%),
    radial-gradient(55vw 55vh at 80% 30%, rgba(167, 139, 250, 0.22), transparent 60%),
    var(--bg);
}
.grain {
  position: fixed; inset: -50%; z-index: -2; pointer-events: none; opacity: 0.06;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  animation: grain 1.2s steps(6) infinite;
}
@keyframes grain {
  0% { transform: translate(0, 0); } 20% { transform: translate(-3%, 2%); } 40% { transform: translate(2%, -3%); }
  60% { transform: translate(-2%, -1%); } 80% { transform: translate(3%, 3%); } 100% { transform: translate(0, 0); }
}
.cursor-glow {
  position: fixed; top: 0; left: 0; width: 420px; height: 420px; margin: -210px 0 0 -210px;
  border-radius: 50%; pointer-events: none; z-index: -1; opacity: 0;
  background: radial-gradient(circle, rgba(167, 139, 250, 0.16), transparent 65%);
  transition: opacity 0.4s; will-change: transform;
}
body.has-pointer .cursor-glow { opacity: 1; }

/* ---------- 4. Header ---------- */
.site-header {
  position: fixed; inset-block-start: 0; inset-inline: 0; z-index: 100; height: var(--header-h);
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-inline: var(--gutter);
}
/* Blur lives on a pseudo-element: backdrop-filter on the header would become the containing
   block of the fixed full-screen mobile nav and shrink it. */
.site-header::before {
  content: ""; position: absolute; inset: 0; z-index: -2; pointer-events: none; opacity: 0;
  background: rgba(5, 6, 13, 0.62); backdrop-filter: blur(18px) saturate(140%); -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-block-end: 1px solid var(--line); transition: opacity 0.35s;
}
.site-header.is-scrolled::before { opacity: 1; }
.brand { display: inline-flex; align-items: center; gap: 0.65rem; font-family: var(--font-display); font-weight: 500; font-size: 1.15rem; }
.brand b { font-weight: 700; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.brand__mark { width: 38px; height: 38px; transition: transform 0.6s var(--ease); }
.brand:hover .brand__mark { transform: rotate(-12deg) scale(1.08); }

.nav { display: flex; gap: clamp(1rem, 2.5vw, 2.2rem); font-size: 0.95rem; color: var(--muted); }
.nav a { position: relative; padding-block: 0.3rem; transition: color 0.25s; }
.nav a::after {
  content: ""; position: absolute; inset-inline: 0; inset-block-end: -2px; height: 2px; background: var(--grad);
  transform: scaleX(0); transform-origin: left; transition: transform 0.35s var(--ease);
}
html[dir="rtl"] .nav a::after { transform-origin: right; }
.nav a:hover, .nav a.is-active { color: var(--text); }
.nav a:hover::after, .nav a.is-active::after { transform: scaleX(1); }

.header-tools { display: flex; align-items: center; gap: 0.7rem; }

.lang {
  position: relative; display: inline-grid; grid-auto-flow: column; padding: 4px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 999px; backdrop-filter: blur(10px);
}
.lang button {
  position: relative; z-index: 1; background: none; border: 0; padding: 0.35rem 0.8rem; border-radius: 999px;
  font-size: 0.82rem; font-weight: 600; color: var(--muted); transition: color 0.25s; font-family: var(--font-arabic);
}
.lang button[lang="en"] { font-family: var(--font-latin); }
.lang button[aria-pressed="true"] { color: #07101a; }
.lang__pill {
  position: absolute; z-index: 0; inset-block: 4px; inset-inline-start: 0; border-radius: 999px; background: var(--grad);
  inline-size: var(--w, 0); transform: translateX(var(--x, 0));
  transition: transform 0.45s var(--ease), inline-size 0.45s var(--ease);
}
html[dir="rtl"] .lang__pill { transform: translateX(calc(var(--x, 0) * -1)); }

.burger { display: none; width: 44px; height: 44px; background: var(--surface); border: 1px solid var(--line); border-radius: 50%; position: relative; }
.burger span { position: absolute; inset-inline: 13px; height: 2px; background: var(--text); border-radius: 2px; transition: transform 0.4s var(--ease), inset-block-start 0.4s var(--ease); }
.burger span:first-child { inset-block-start: 17px; }
.burger span:last-child { inset-block-start: 25px; }
.burger[aria-expanded="true"] span:first-child { inset-block-start: 21px; transform: rotate(45deg); }
.burger[aria-expanded="true"] span:last-child { inset-block-start: 21px; transform: rotate(-45deg); }

/* ---------- 5. Buttons ---------- */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 0.6rem;
  padding: 0.95rem 1.7rem; border-radius: 999px; font-weight: 600; font-size: 0.98rem; border: 1px solid transparent;
  transition: transform 0.35s var(--ease), box-shadow 0.35s, background 0.3s; will-change: transform; overflow: hidden;
}
.btn--primary { background: var(--grad); color: #07101a; box-shadow: 0 10px 40px -10px rgba(167, 139, 250, 0.7); }
.btn--primary:hover { box-shadow: 0 16px 50px -8px rgba(94, 234, 212, 0.65); }
.btn--ghost { background: var(--surface); border-color: var(--line); backdrop-filter: blur(10px); }
.btn--ghost:hover { background: var(--surface-hi); }
.btn--wa { background: var(--wa); color: #04210f; box-shadow: 0 10px 36px -10px rgba(37, 211, 102, 0.7); }
.btn--wa svg { width: 22px; height: 22px; fill: currentColor; }
.btn--block { width: 100%; }
.btn[disabled] { opacity: 0.6; pointer-events: none; }

.wa-fab {
  position: fixed; z-index: 90; inset-block-end: calc(1.2rem + env(safe-area-inset-bottom)); inset-inline-end: 1.2rem;
  width: 62px; height: 62px; border-radius: 50%; display: grid; place-items: center; background: var(--wa); color: #04210f;
  box-shadow: 0 12px 34px rgba(37, 211, 102, 0.45); transition: transform 0.35s var(--ease);
}
.wa-fab svg { width: 30px; height: 30px; fill: currentColor; }
.wa-fab::before { content: ""; position: absolute; inset: 0; border-radius: 50%; border: 2px solid var(--wa); animation: ping 2.4s var(--ease) infinite; }
.wa-fab:hover { transform: scale(1.1) rotate(-6deg); }
@keyframes ping { 0% { transform: scale(1); opacity: 0.7; } 100% { transform: scale(1.7); opacity: 0; } }

/* ---------- 6. Hero ---------- */
.hero { min-height: 100svh; display: grid; align-items: center; padding-block: calc(var(--header-h) + 3rem) 5rem; position: relative; }
.hero__inner { position: relative; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.6rem; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--teal); margin-block-end: 1.4rem;
}
html[dir="rtl"] .eyebrow { letter-spacing: 0; font-size: 0.9rem; }
.eyebrow::before { content: ""; width: 34px; height: 1px; background: currentColor; }
.hero__title { font-size: clamp(2.6rem, 8.5vw, 6.6rem); font-weight: 700; max-width: 14ch; }
html[dir="rtl"] .hero__title { max-width: 16ch; font-size: clamp(2.3rem, 7.2vw, 5.6rem); }
.hero__title em { font-style: normal; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; background-size: 200% 100%; animation: gradshift 8s ease-in-out infinite alternate; }
@keyframes gradshift { to { background-position: 100% 0; } }
.hero__lead { margin-block-start: 1.6rem; max-width: 52ch; color: var(--muted); font-size: clamp(1.02rem, 1.6vw, 1.3rem); }
.hero__cta { margin-block-start: 2.4rem; display: flex; flex-wrap: wrap; gap: 0.9rem; }
.scroll-hint { position: absolute; inset-block-end: -3rem; inset-inline-start: 0; width: 26px; height: 42px; border: 1.5px solid var(--line); border-radius: 14px; }
.scroll-hint span { position: absolute; inset-inline-start: 50%; inset-block-start: 8px; width: 4px; height: 8px; margin-inline-start: -2px; border-radius: 2px; background: var(--teal); animation: wheel 1.8s var(--ease) infinite; }
@keyframes wheel { 0% { transform: translateY(0); opacity: 1; } 100% { transform: translateY(16px); opacity: 0; } }

/* ---------- 7. Marquee ---------- */
.marquee { overflow: hidden; border-block: 1px solid var(--line); background: rgba(255, 255, 255, 0.02); padding-block: 1.1rem; }
.marquee__track { display: flex; gap: 2rem; width: max-content; white-space: nowrap; font-family: var(--font-head); font-size: clamp(1.2rem, 3vw, 2rem); color: var(--muted); animation: marquee 32s linear infinite; }
.marquee__track i { color: var(--violet); font-style: normal; }
html[dir="rtl"] .marquee__track { animation-name: marquee-rtl; }
@keyframes marquee { to { transform: translateX(-50%); } }
@keyframes marquee-rtl { to { transform: translateX(50%); } }

/* ---------- 8. Sections ---------- */
.section { padding-block: clamp(4.5rem, 10vw, 8rem); position: relative; }
.section__head { max-width: 760px; margin-block-end: clamp(2.2rem, 5vw, 4rem); }
.section__head h2, .about__copy h2, .contact__intro h2 { font-size: clamp(2rem, 5vw, 3.6rem); font-weight: 700; }

.cards { display: grid; gap: 1.2rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); perspective: 1200px; }
.card {
  --rx: 0deg; --ry: 0deg; --mx: 50%; --my: 50%;
  position: relative; display: flex; flex-direction: column; gap: 1rem; padding: 2rem 1.7rem; min-height: 340px; cursor: pointer;
  border-radius: var(--r-lg); border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--surface-hi), var(--surface)); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  transform: rotateX(var(--rx)) rotateY(var(--ry)); transform-style: preserve-3d; transition: transform 0.25s var(--ease), border-color 0.3s; overflow: hidden;
}
.card::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity 0.3s;
  background: radial-gradient(380px circle at var(--mx) var(--my), rgba(167, 139, 250, 0.22), transparent 55%);
}
.card:hover, .card:focus-visible { border-color: rgba(167, 139, 250, 0.5); }
.card:hover::before, .card:focus-visible::before { opacity: 1; }
.card__num { font-family: var(--font-display); font-size: 0.85rem; color: var(--muted); letter-spacing: 0.1em; }
.card__icon { width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center; background: rgba(94, 234, 212, 0.1); border: 1px solid rgba(94, 234, 212, 0.25); transform: translateZ(40px); }
.card__icon svg { width: 28px; height: 28px; fill: none; stroke: var(--teal); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.card h3 { font-size: 1.45rem; transform: translateZ(30px); }
.card p { color: var(--muted); flex: 1; }
.card__link { display: inline-flex; align-items: center; gap: 0.5rem; font-weight: 600; color: var(--teal); }
.card__link b { transition: transform 0.3s var(--ease); font-weight: 500; }
.card__link:hover b { transform: translateX(6px); }
html[dir="rtl"] .card__link b { display: inline-block; transform: scaleX(-1); }
html[dir="rtl"] .card__link:hover b { transform: scaleX(-1) translateX(6px); }

.about { display: grid; gap: 3rem; grid-template-columns: 1.2fr 1fr; align-items: center; }
.about__copy p { color: var(--muted); margin-block-start: 1.2rem; max-width: 56ch; font-size: 1.08rem; }
.about__copy h2 { margin-block-end: 0.4rem; }
.stats { display: grid; gap: 1rem; }
.stats li { display: flex; align-items: baseline; gap: 1.2rem; padding: 1.4rem 1.7rem; border-radius: var(--r-md); background: var(--surface); border: 1px solid var(--line); backdrop-filter: blur(12px); }
.stats strong { font-family: var(--font-display); font-size: clamp(2.4rem, 5vw, 3.6rem); line-height: 1; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; min-width: 1.2ch; }
.stats span { color: var(--muted); }

.steps { display: grid; gap: 1.2rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); }
.step { padding: 1.8rem; border-radius: var(--r-md); border: 1px solid var(--line); background: var(--surface); position: relative; }
.step > span { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; margin-block-end: 1.2rem; font-family: var(--font-display); font-weight: 700; color: #07101a; background: var(--grad); }
.step h3 { font-size: 1.2rem; margin-block-end: 0.5rem; }
.step p { color: var(--muted); font-size: 0.97rem; }

.contact { display: grid; gap: clamp(2rem, 5vw, 4.5rem); grid-template-columns: 1fr 1.05fr; align-items: start; }
.contact__intro p:not(.eyebrow):not(.contact__mail) { color: var(--muted); margin-block: 1.2rem 1.8rem; max-width: 48ch; font-size: 1.08rem; }
.contact__mail { margin-block-start: 1.4rem; color: var(--muted); }
.contact__mail a { color: var(--teal); border-block-end: 1px solid rgba(94, 234, 212, 0.4); }

.form { display: grid; gap: 1.1rem; padding: clamp(1.4rem, 3vw, 2.3rem); border-radius: var(--r-lg); background: linear-gradient(160deg, var(--surface-hi), var(--surface)); border: 1px solid var(--line); backdrop-filter: blur(16px); }
.field { position: relative; }
.field input, .field textarea, .field select {
  width: 100%; padding: 1.5rem 1rem 0.6rem; border-radius: 14px; border: 1px solid var(--line); background: rgba(5, 6, 13, 0.55);
  color: var(--text); font: inherit; outline: none; transition: border-color 0.25s, box-shadow 0.25s; resize: vertical;
}
.field select { appearance: none; -webkit-appearance: none; cursor: pointer; }
.field--select::after { content: "▾"; position: absolute; inset-inline-end: 1rem; inset-block-start: 50%; transform: translateY(-50%); color: var(--muted); pointer-events: none; }
.field select option { background: var(--bg-2); color: var(--text); }
.field label { position: absolute; inset-inline-start: 1rem; inset-block-start: 1.05rem; color: var(--muted); font-size: 0.98rem; pointer-events: none; transform-origin: left top; transition: transform 0.25s var(--ease), color 0.25s; }
html[dir="rtl"] .field label { transform-origin: right top; }
.field input:focus ~ label, .field input:not(:placeholder-shown) ~ label,
.field textarea:focus ~ label, .field textarea:not(:placeholder-shown) ~ label,
.field select ~ label { transform: translateY(-0.75rem) scale(0.78); }
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--teal); box-shadow: 0 0 0 4px rgba(94, 234, 212, 0.12); }
.field.has-error input, .field.has-error textarea { border-color: var(--danger); }
.field__err { display: block; color: var(--danger); font-size: 0.82rem; margin-block-start: 0.3rem; }
.hp { position: absolute; inset-inline-start: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form__status { min-height: 1.4em; text-align: center; font-size: 0.95rem; color: var(--muted); }
.form__status.is-ok { color: var(--teal); }
.form__status.is-err { color: var(--danger); }

.footer { border-block-start: 1px solid var(--line); padding-block: 2rem calc(2rem + 70px); color: var(--muted); font-size: 0.92rem; }
.footer__inner { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

/* ---------- 9. Service modal ---------- */
.modal { position: fixed; inset: 0; z-index: 150; display: grid; place-items: center; padding: 1.2rem; }
.modal[hidden] { display: none; }
.modal__backdrop { position: absolute; inset: 0; background: rgba(3, 4, 10, 0.6); backdrop-filter: blur(14px) saturate(130%); -webkit-backdrop-filter: blur(14px) saturate(130%); opacity: 0; transition: opacity 0.4s var(--ease); }
.modal__panel {
  position: relative; width: min(100%, 720px); max-height: min(88svh, 860px); overflow-y: auto; overscroll-behavior: contain;
  padding: clamp(1.5rem, 4vw, 2.6rem); border-radius: var(--r-lg); outline: none;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.11), rgba(255, 255, 255, 0.04)), rgba(10, 12, 24, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 40px 120px -20px rgba(0, 0, 0, 0.75), 0 0 0 1px rgba(167, 139, 250, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(26px) saturate(150%); -webkit-backdrop-filter: blur(26px) saturate(150%);
  opacity: 0; transform: translateY(32px) scale(0.95); transition: opacity 0.45s var(--ease), transform 0.55s var(--ease);
  scrollbar-width: thin; scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
}
.modal__panel::before { content: ""; position: absolute; inset-inline: 0; inset-block-start: 0; height: 160px; pointer-events: none; background: radial-gradient(60% 100% at 50% 0, rgba(94, 234, 212, 0.16), transparent 70%); }
.modal.is-open .modal__backdrop { opacity: 1; }
.modal.is-open .modal__panel { opacity: 1; transform: none; }
.modal__close { position: absolute; inset-block-start: 1rem; inset-inline-end: 1rem; z-index: 2; width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; font-size: 1.05rem; line-height: 1; background: var(--surface); border: 1px solid var(--line); transition: transform 0.35s var(--ease), background 0.25s; }
.modal__close:hover { background: var(--surface-hi); transform: rotate(90deg); }
.modal__head { position: relative; display: flex; align-items: center; gap: 1.1rem; padding-inline-end: 3.2rem; margin-block-end: 1.3rem; }
.modal__head .eyebrow { margin-block-end: 0.35rem; }
.modal__head h3 { font-size: clamp(1.5rem, 4vw, 2.1rem); font-weight: 700; }
.modal__icon { flex: none; width: 64px; height: 64px; border-radius: 18px; display: grid; place-items: center; background: rgba(94, 234, 212, 0.1); border: 1px solid rgba(94, 234, 212, 0.28); }
.modal__icon svg { width: 30px; height: 30px; fill: none; stroke: var(--teal); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.modal__lead { position: relative; color: var(--text); opacity: 0.88; font-size: 1.06rem; max-width: 60ch; }
.modal__sub { margin: 1.8rem 0 0.9rem; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); }
html[dir="rtl"] .modal__sub { letter-spacing: 0; font-size: 0.92rem; }
.modal__list { display: grid; gap: 0.7rem; }
.modal__item {
  position: relative; display: grid; gap: 0.15rem; padding: 0.95rem 1rem; padding-inline-start: 3.1rem;
  border-radius: 14px; background: var(--surface); border: 1px solid var(--line);
  opacity: 0; transform: translateY(12px); transition: opacity 0.5s var(--ease), transform 0.6s var(--ease), border-color 0.25s;
}
.modal__item::before { content: "✓"; position: absolute; inset-inline-start: 0.95rem; inset-block-start: 1rem; width: 1.5rem; height: 1.5rem; border-radius: 50%; display: grid; place-items: center; font-size: 0.78rem; font-weight: 700; color: #07101a; background: var(--grad); }
.modal__item:hover { border-color: rgba(94, 234, 212, 0.4); }
.modal__item strong { font-family: var(--font-head); font-size: 1.02rem; }
.modal__item span { color: var(--muted); font-size: 0.94rem; }
.modal.is-open .modal__item { opacity: 1; transform: none; }
.modal.is-open .modal__item:nth-child(1) { transition-delay: 0.12s; }
.modal.is-open .modal__item:nth-child(2) { transition-delay: 0.18s; }
.modal.is-open .modal__item:nth-child(3) { transition-delay: 0.24s; }
.modal.is-open .modal__item:nth-child(4) { transition-delay: 0.30s; }
.modal.is-open .modal__item:nth-child(5) { transition-delay: 0.36s; }
.modal__note { display: grid; gap: 0.2rem; margin-block-start: 1.1rem; padding: 1rem 1.2rem; border-radius: 14px; background: rgba(167, 139, 250, 0.1); border: 1px solid rgba(167, 139, 250, 0.3); border-inline-start: 3px solid var(--violet); }
.modal__note strong { font-family: var(--font-head); color: var(--violet); }
.modal__note span { color: var(--muted); font-size: 0.94rem; }
.modal__cta { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-block-start: 1.6rem; }
.modal__cta .btn { flex: 1 1 210px; }

/* ---------- 10. Reveal / language flash ---------- */
.js .reveal { opacity: 0; transform: translateY(34px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); transition-delay: var(--d, 0s); }
.js .reveal.is-in { opacity: 1; transform: none; }
body.lang-switching main, body.lang-switching .site-header { animation: langflip 0.5s var(--ease); }
@keyframes langflip { 0% { opacity: 1; } 40% { opacity: 0.15; filter: blur(4px); } 100% { opacity: 1; } }

/* ---------- 11. Responsive ---------- */
@media (max-width: 920px) {
  .about, .contact { grid-template-columns: 1fr; }
  .burger { display: inline-block; }
  .nav {
    position: fixed; inset: 0; z-index: -1; flex-direction: column; justify-content: center; align-items: center; gap: 1.6rem; font-size: 1.7rem;
    background: rgba(5, 6, 13, 0.94); backdrop-filter: blur(24px); opacity: 0; visibility: hidden; transform: scale(1.04);
    transition: opacity 0.4s var(--ease), transform 0.5s var(--ease), visibility 0.4s; color: var(--text); font-family: var(--font-head);
  }
  .nav.is-open { opacity: 1; visibility: visible; transform: none; }
}
@media (max-width: 600px) {
  .modal { align-items: end; padding: 0; }
  .modal__panel { max-height: 92svh; border-end-start-radius: 0; border-end-end-radius: 0; transform: translateY(60px); padding-block-end: calc(1.5rem + env(safe-area-inset-bottom)); }
  .modal__icon { width: 52px; height: 52px; border-radius: 15px; }
  .modal__cta .btn { flex-basis: 100%; }
}
@media (max-width: 520px) {
  .lang button { padding: 0.3rem 0.55rem; font-size: 0.75rem; }
  .brand__text { display: none; }
  .hero__cta .btn { width: 100%; }
  .scroll-hint { display: none; }
}

/* ---------- 12. Motion / pointer preferences ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
  .js .reveal { opacity: 1; transform: none; }
}
@media (hover: none) { .cursor-glow { display: none; } }