/* =================================================================
   RHWAN X HOLDING — رهوان اكس القابضة
   Premium dark · cinematic · liquid-glass · Arabic-first (RTL).
   Token-driven. Motion via transform/opacity only. JS-independent content.
   Redesigned with refined depth, glass surfaces, and continuous motion.
   ================================================================= */

/* ---------- 1. TOKENS ---------- */
:root {
  /* Primitive */
  --black-950: #04070D;
  --navy-900:  #070C16;
  --navy-800:  #0A1320;
  --navy-700:  #101D30;
  --navy-600:  #16263D;
  --blue-700:  #1E4BD8;
  --blue-600:  #2E6BFF;
  --blue-500:  #3F84FF;
  --blue-400:  #5AA2FF;
  --blue-300:  #8FC0FF;
  --platinum:  #CFE0F2;
  --mist:      #EAF1FA;
  --slate:     #8696AE;
  --hair:      rgba(207, 224, 242, 0.10);
  --hair-2:    rgba(207, 224, 242, 0.18);

  /* Semantic */
  --bg:          var(--black-950);
  --surface:     var(--navy-800);
  --surface-2:   var(--navy-700);
  --primary:     var(--blue-600);
  --accent:      var(--blue-400);
  --metal:       var(--platinum);
  --text:        var(--mist);
  --muted:       var(--slate);

  /* Glass */
  --glass-bg:    linear-gradient(160deg, rgba(24,42,68,0.62), rgba(9,17,29,0.40));
  --glass-bg-2:  linear-gradient(160deg, rgba(22,38,61,0.45), rgba(10,19,32,0.28));
  --glass-brd:   rgba(207, 224, 242, 0.12);
  --glass-blur:  blur(18px) saturate(135%);

  /* Type */
  --font-ar: "Tajawal", system-ui, sans-serif;
  --font-en: "Manrope", system-ui, sans-serif;
  --font-body: var(--font-ar);

  /* Elevation */
  --sh-1: 0 2px 10px rgba(0,0,0,0.30);
  --sh-2: 0 14px 34px rgba(2,6,14,0.45);
  --sh-3: 0 30px 64px rgba(2,6,14,0.55);
  --glow: 0 0 0 1px rgba(90,162,255,0.16), 0 24px 60px rgba(46,107,255,0.22);

  /* Layout */
  --container: 1240px;
  --radius: 22px;
  --radius-lg: 28px;
  --radius-sm: 12px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- 2. BASE ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
::selection { background: rgba(90,162,255,0.30); color: #fff; }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 22px; }

.eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
  font-family: var(--font-en);
  margin-bottom: 22px;
}
html[lang="ar"] .eyebrow { font-family: var(--font-ar); letter-spacing: 0.12em; }

.section-title {
  font-size: clamp(2rem, 5.5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
}
.section-lead { color: var(--muted); font-size: 1.08rem; max-width: 56ch; margin-top: 20px; }
.section-head { margin-bottom: 64px; max-width: 720px; }

/* ---------- 2b. SCROLL PROGRESS ---------- */
.scroll-progress {
  position: fixed; inset-block-start: 0; inset-inline: 0; height: 3px; z-index: 200;
  transform-origin: left center; transform: scaleX(0);
  background: linear-gradient(90deg, var(--blue-600), var(--blue-300));
  box-shadow: 0 0 14px rgba(90,162,255,0.6);
  will-change: transform; pointer-events: none;
}
html[dir="rtl"] .scroll-progress { transform-origin: right center; }

/* ---------- 3. GRAIN OVERLAY ---------- */
.grain {
  position: fixed; inset: 0; z-index: 9999; pointer-events: none;
  opacity: 0.045; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- 4. BUTTONS ---------- */
.btn {
  position: relative; overflow: hidden;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: inherit; font-weight: 700; font-size: 0.98rem;
  padding: 14px 30px; border-radius: 999px; border: 1px solid transparent;
  cursor: pointer; min-height: 50px; white-space: nowrap;
  transition: transform 0.4s var(--ease), background 0.3s, box-shadow 0.3s, border-color 0.3s, color 0.3s;
}
.btn > * { position: relative; z-index: 1; }
.btn--primary {
  background: linear-gradient(120deg, var(--blue-600), var(--blue-500));
  color: #fff; box-shadow: 0 12px 34px rgba(46, 107, 255, 0.32);
}
.btn--primary::after { /* sheen sweep */
  content: ""; position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,0.28) 50%, transparent 70%);
  transform: translateX(-130%); transition: transform 0.7s var(--ease);
}
.btn--primary:hover { transform: translateY(-3px); box-shadow: 0 18px 50px rgba(46, 107, 255, 0.48); }
.btn--primary:hover::after { transform: translateX(130%); }
.btn--ghost { background: rgba(207,224,242,0.03); color: var(--text); border-color: var(--hair-2); }
.btn--ghost:hover { border-color: var(--accent); background: rgba(90,162,255,0.08); transform: translateY(-3px); }
.btn--lg { padding: 17px 38px; font-size: 1.04rem; }

/* ---------- 5. HEADER ---------- */
.site-header {
  position: fixed; inset-block-start: 0; inset-inline: 0; z-index: 100;
  transition: background 0.4s, backdrop-filter 0.4s, border-color 0.4s;
  border-block-end: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(4, 7, 13, 0.66);
  backdrop-filter: blur(18px) saturate(140%);
  border-block-end-color: var(--hair);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 78px; gap: 18px; }
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand__mark { filter: drop-shadow(0 4px 14px rgba(90,162,255,0.45)); transition: transform 0.5s var(--ease); }
.brand:hover .brand__mark { transform: translateY(-2px) rotate(-4deg); }
.brand__text { display: flex; flex-direction: column; line-height: 1.12; }
.brand__name { font-weight: 800; font-size: 1.16rem; letter-spacing: 0.01em; }
.brand__tag {
  font-family: var(--font-en); font-size: 0.62rem; letter-spacing: 0.24em;
  text-transform: uppercase; color: var(--muted);
}
.nav__links { display: none; gap: 30px; margin-inline: auto; }
.nav__links a { position: relative; font-size: 0.95rem; color: var(--muted); transition: color 0.3s; padding-block: 4px; }
.nav__links a::after {
  content: ""; position: absolute; inset-block-end: -2px; inset-inline-start: 0;
  width: 100%; height: 1.5px; background: linear-gradient(90deg, var(--accent), transparent);
  transform: scaleX(0); transform-origin: inherit; transition: transform 0.4s var(--ease);
}
html[dir="rtl"] .nav__links a::after { background: linear-gradient(270deg, var(--accent), transparent); transform-origin: right; }
.nav__links a:hover, .nav__links a.is-active { color: var(--text); }
.nav__links a:hover::after, .nav__links a.is-active::after { transform: scaleX(1); }
.nav__actions { display: flex; align-items: center; gap: 14px; }
.nav__cta { display: none; }
.nav__burger {
  display: inline-flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 44px; height: 40px; background: transparent; border: none; cursor: pointer; padding: 0 10px;
}
.nav__burger span { height: 2px; background: var(--text); border-radius: 2px; transition: transform 0.35s var(--ease), opacity 0.3s; }
.nav__burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger.is-open span:nth-child(2) { opacity: 0; }
.nav__burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav__links.is-open {
  display: flex; position: fixed; inset-block-start: 78px; inset-inline: 0;
  flex-direction: column; gap: 0; margin: 0;
  background: rgba(4,7,13,0.97); backdrop-filter: blur(18px);
  border-block-start: 1px solid var(--hair); padding: 8px 0;
}
.nav__links.is-open a { padding: 16px 24px; font-size: 1.05rem; color: var(--text); border-block-end: 1px solid var(--hair); }
.nav__links.is-open a::after { display: none; }

/* ---------- 6. HERO ---------- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; overflow: hidden; padding-block: 120px 80px; }
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__bg::after { /* vignette */
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(120% 80% at 50% 0%, transparent 38%, var(--bg) 92%);
}
.aurora {
  position: absolute; inset: -20%;
  background:
    radial-gradient(40% 35% at 30% 20%, rgba(46,107,255,0.26), transparent 70%),
    radial-gradient(35% 30% at 72% 30%, rgba(90,162,255,0.18), transparent 70%),
    radial-gradient(45% 40% at 50% 8%, rgba(110,139,255,0.16), transparent 70%);
  filter: blur(34px);
  animation: auroraDrift 22s ease-in-out infinite alternate;
}
.aurora::before { /* flowing mesh layer — slow morph, screen blend */
  content: ""; position: absolute; inset: -10%;
  background:
    radial-gradient(30% 40% at 20% 70%, rgba(63,132,255,0.22), transparent 60%),
    radial-gradient(34% 36% at 80% 60%, rgba(143,192,255,0.16), transparent 60%),
    conic-gradient(from 120deg at 50% 40%, rgba(46,107,255,0.10), rgba(110,139,255,0.04), rgba(90,162,255,0.10), rgba(46,107,255,0.10));
  mix-blend-mode: screen; filter: blur(40px);
  background-size: 180% 180%;
  animation: meshFlow 18s ease-in-out infinite alternate;
}
@keyframes auroraDrift {
  0%   { transform: translate3d(0,0,0) scale(1); }
  100% { transform: translate3d(2%, 1.5%, 0) scale(1.08); }
}
@keyframes meshFlow {
  0%   { background-position: 0% 50%; transform: rotate(0deg) scale(1); }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 100%; transform: rotate(6deg) scale(1.06); }
}
.rhwan-net { position: absolute; inset: 0; will-change: transform; }
.rhwan-net svg { width: 100%; height: 100%; }
.net-lines line { opacity: 0.18; stroke-dasharray: 4 10; animation: flow 6s linear infinite; }
.net-lines line:nth-child(2n) { animation-duration: 8s; opacity: 0.11; }
.net-lines line:nth-child(3n) { animation-duration: 10s; }
@keyframes flow { to { stroke-dashoffset: -140; } }
.net-nodes circle { opacity: 0.5; animation: nodePulse 4s ease-in-out infinite; }
.net-nodes circle:nth-child(2n) { animation-delay: 1.2s; }
.net-nodes circle:nth-child(3n) { animation-delay: 2.1s; }
@keyframes nodePulse { 0%,100% { opacity: 0.25; } 50% { opacity: 0.7; } }
.apex-node { filter: drop-shadow(0 0 14px rgba(90,162,255,0.9)); animation: apexPulse 3.4s ease-in-out infinite; }
@keyframes apexPulse { 0%,100% { r: 6; opacity: 0.85; } 50% { r: 8; opacity: 1; } }

.hero__inner { position: relative; z-index: 1; max-width: 920px; }
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-en); font-size: 0.78rem; letter-spacing: 0.3em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 26px;
  padding: 8px 16px; border: 1px solid var(--hair-2); border-radius: 999px;
  background: rgba(90,162,255,0.05); backdrop-filter: blur(8px);
}
html[lang="ar"] .hero__eyebrow { letter-spacing: 0.12em; font-family: var(--font-ar); }
.hero__eyebrow::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 10px 2px rgba(90,162,255,0.7);
  animation: nodePulse 2.4s ease-in-out infinite;
}
.hero__title {
  font-size: clamp(2.5rem, 8vw, 5.4rem);
  font-weight: 900; line-height: 1.08; letter-spacing: -0.03em; margin-bottom: 28px;
}
.hero__title .grad {
  background: linear-gradient(100deg, var(--accent), var(--metal));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero__sub { font-size: clamp(1.05rem, 2.2vw, 1.3rem); color: var(--muted); max-width: 60ch; margin-bottom: 16px; }
.hero__en {
  font-family: var(--font-en); font-size: 0.96rem; letter-spacing: 0.04em;
  color: var(--metal); opacity: 0.7; direction: ltr; margin-bottom: 40px;
}
html[dir="rtl"] .hero__en { text-align: start; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 16px; }
.hero__scroll {
  position: absolute; inset-block-end: 30px; inset-inline-start: 50%; transform: translateX(50%);
  width: 26px; height: 42px; border: 1px solid var(--hair-2); border-radius: 14px; z-index: 1;
}
html[dir="ltr"] .hero__scroll { transform: translateX(-50%); }
.hero__scroll span {
  position: absolute; inset-block-start: 8px; inset-inline-start: 50%; margin-inline-start: -2px;
  width: 4px; height: 8px; border-radius: 2px; background: var(--accent);
  animation: scrollCue 1.8s var(--ease) infinite;
}
@keyframes scrollCue { 0% { opacity: 0; transform: translateY(0); } 40% { opacity: 1; } 100% { opacity: 0; transform: translateY(14px); } }

/* ---------- 7. ABOUT ---------- */
.about { padding-block: clamp(90px, 12vw, 160px); }
.about__statement { font-size: clamp(1.6rem, 4vw, 2.8rem); font-weight: 700; line-height: 1.4; letter-spacing: -0.01em; max-width: 22ch; }
.about__statement .dim { color: var(--muted); font-weight: 400; }

/* ---------- 8. COMPANIES + GROUP STRUCTURE ---------- */
.companies { padding-block: clamp(80px, 10vw, 140px); background: linear-gradient(180deg, var(--bg), var(--navy-900)); border-block: 1px solid var(--hair); }
.group-structure { position: relative; }
.group-structure__apex { display: none; }
.group-structure__links { display: none; }
.companies__grid { display: grid; grid-template-columns: 1fr; gap: 22px; position: relative; z-index: 1; }

.company-card {
  position: relative;
  background: var(--glass-bg-2);
  border: 1px solid var(--glass-brd); border-radius: var(--radius);
  padding: 30px; backdrop-filter: var(--glass-blur);
  display: flex; flex-direction: column; gap: 14px; min-height: 250px;
  transform: perspective(900px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)) translateY(var(--ty, 0px)) translateZ(0);
  transform-style: preserve-3d;
  transition: transform 0.3s var(--ease-out), border-color 0.4s, box-shadow 0.4s, background 0.4s;
  overflow: hidden; color: inherit;
}
.company-card.is-tilting { transition: border-color 0.4s, box-shadow 0.4s, background 0.4s; }
.company-card::before { /* hover spotlight */
  content: ""; position: absolute; inset: 0; opacity: 0;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgba(90,162,255,0.16), transparent 60%);
  transition: opacity 0.4s; pointer-events: none;
}
.company-card::after { /* top hairline glow */
  content: ""; position: absolute; inset-block-start: 0; inset-inline: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(90,162,255,0.6), transparent);
  opacity: 0; transition: opacity 0.4s;
}
.company-card:hover, .company-card:focus-visible { --ty: -8px; border-color: rgba(90,162,255,0.45); box-shadow: var(--sh-3); outline: none; }
.company-card:hover::before, .company-card:focus-visible::before { opacity: 1; }
.company-card:hover::after, .company-card:focus-visible::after { opacity: 1; }
.company-card__top { display: flex; align-items: flex-start; justify-content: space-between; }
.company-card__logo { height: 50px; display: flex; align-items: center; }
.company-card__logo img { height: 100%; width: auto; object-fit: contain; transition: transform 0.5s var(--ease); }
.company-card:hover .company-card__logo img { transform: scale(1.04); }
.company-card__logo--text { font-family: var(--font-en); font-weight: 800; font-size: 1.3rem; letter-spacing: -0.01em; color: var(--metal); }
.company-card__node { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 0 rgba(90,162,255,0.5); transition: box-shadow 0.4s; }
.company-card:hover .company-card__node { box-shadow: 0 0 16px 3px rgba(90,162,255,0.7); }
.company-card__name { font-size: 1.3rem; font-weight: 700; }
.company-card__desc { color: var(--muted); flex: 1; font-size: 0.98rem; }
.company-card__tag {
  font-family: var(--font-en); font-size: 0.7rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--accent); display: inline-flex; align-items: center; gap: 8px;
}
.company-card__tag::before { content: ""; width: 16px; height: 1px; background: var(--accent); }

/* Featured / linked card → Sky Vision subpage */
.company-card--featured {
  background: var(--glass-bg);
  border-color: rgba(90,162,255,0.32);
  box-shadow: inset 0 1px 0 rgba(207,224,242,0.06);
}
.company-card--featured::after { opacity: 0.55; }
a.company-card { cursor: pointer; }
.company-card__footer { display: flex; align-items: center; gap: 8px; margin-top: 2px; }
.company-card__cta {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.88rem; font-weight: 700; color: var(--accent);
  transition: gap 0.35s var(--ease);
}
.company-card__cta svg { width: 16px; height: 16px; transition: transform 0.4s var(--ease); }
html[dir="rtl"] .company-card__cta svg { transform: scaleX(-1); }
a.company-card:hover .company-card__cta { gap: 13px; }
html[dir="rtl"] a.company-card:hover .company-card__cta svg { transform: scaleX(-1) translateX(3px); }
html[dir="ltr"] a.company-card:hover .company-card__cta svg { transform: translateX(3px); }

/* ---------- 9. WHAT WE BUILD ---------- */
.build { padding-block: clamp(80px, 10vw, 140px); }
.build__list { border-block-start: 1px solid var(--hair); }
.build__row {
  position: relative; display: flex; align-items: center; gap: 22px;
  padding-block: clamp(20px, 3vw, 34px); border-block-end: 1px solid var(--hair);
  transition: padding-inline-start 0.4s var(--ease), color 0.3s;
  cursor: default;
}
.build__row::before { /* fill cue */
  content: ""; position: absolute; inset-block: 0; inset-inline-start: 0; width: 2px;
  background: linear-gradient(180deg, var(--accent), transparent);
  transform: scaleY(0); transform-origin: top; transition: transform 0.45s var(--ease);
}
.build__row:hover::before { transform: scaleY(1); }
.build__num { font-family: var(--font-en); font-size: 0.85rem; font-weight: 700; color: var(--accent); min-width: 38px; opacity: 0.7; }
.build__label { font-size: clamp(1.3rem, 3.5vw, 2.2rem); font-weight: 700; letter-spacing: -0.01em; transition: color 0.3s; }
.build__row:hover { padding-inline-start: 18px; }
.build__row:hover .build__label {
  background: linear-gradient(100deg, var(--accent), var(--metal));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}

/* ---------- 10. PHILOSOPHY ---------- */
.philosophy { position: relative; padding-block: clamp(100px, 13vw, 170px); text-align: center; background: var(--navy-900); border-block: 1px solid var(--hair); overflow: hidden; }
.philosophy__glow {
  position: absolute; inset-block-start: 50%; inset-inline-start: 50%; transform: translate(-50%,-50%);
  width: 760px; height: 440px; pointer-events: none;
  background: radial-gradient(ellipse, rgba(46,107,255,0.18), transparent 65%);
  animation: glowBreathe 9s ease-in-out infinite alternate;
}
@keyframes glowBreathe { 0% { opacity: 0.7; transform: translate(-50%,-50%) scale(1); } 100% { opacity: 1; transform: translate(-50%,-50%) scale(1.12); } }
.philosophy__inner { position: relative; z-index: 1; }
.philosophy .eyebrow { display: inline-block; }
.philosophy__quote { font-size: clamp(2.2rem, 7vw, 4rem); font-weight: 800; line-height: 1.22; letter-spacing: -0.02em; margin-bottom: 60px; }
.philosophy__principles { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; max-width: 880px; margin-inline: auto; }
.principle {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 14px 24px; border: 1px solid var(--hair-2); border-radius: 999px;
  font-size: 1rem; font-weight: 600; color: var(--text);
  background: rgba(207,224,242,0.02); backdrop-filter: blur(8px);
  transition: border-color 0.3s, background 0.3s, transform 0.4s var(--ease), box-shadow 0.4s;
}
.principle:hover { border-color: var(--accent); background: rgba(90,162,255,0.08); transform: translateY(-3px); box-shadow: 0 14px 30px rgba(46,107,255,0.20); }
.principle__k { font-family: var(--font-en); font-size: 0.72rem; color: var(--accent); opacity: 0.8; }

/* ---------- 11. PARTNERS ---------- */
.partners { padding-block: clamp(90px, 12vw, 150px); text-align: center; }
.partners__inner { max-width: 760px; margin-inline: auto; }
.partners .eyebrow { display: inline-block; }
.partners .section-lead { margin-inline: auto; margin-bottom: 36px; }

/* ---------- 12. CONTACT ---------- */
.contact {
  padding-block: clamp(90px, 12vw, 150px);
  background: radial-gradient(circle at 50% 0%, rgba(46,107,255,0.12), transparent 55%), var(--navy-900);
  border-block-start: 1px solid var(--hair);
}
.contact__inner { display: grid; grid-template-columns: 1fr; gap: 56px; }
.contact__direct { font-family: var(--font-en); margin-top: 28px; color: var(--accent); letter-spacing: 0.04em; direction: ltr; }
html[dir="rtl"] .contact__direct { text-align: start; }

.contact-form {
  display: grid; grid-template-columns: 1fr; gap: 18px;
  padding: clamp(22px, 3vw, 34px);
  background: var(--glass-bg-2); border: 1px solid var(--glass-brd);
  border-radius: var(--radius-lg); backdrop-filter: var(--glass-blur);
  box-shadow: var(--sh-2);
}
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-size: 0.88rem; color: var(--muted); font-weight: 500; }
.field input, .field select, .field textarea {
  font-family: inherit; font-size: 1rem; color: var(--text);
  background: rgba(207,224,242,0.03); border: 1px solid var(--hair-2); border-radius: var(--radius-sm);
  padding: 14px 16px; transition: border-color 0.3s, box-shadow 0.3s, background 0.3s; resize: vertical;
}
.field select { appearance: none; cursor: pointer; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent); background: rgba(90,162,255,0.05);
  box-shadow: 0 0 0 3px rgba(90,162,255,0.16);
}
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: #ff6b6b; }
.field__error { font-size: 0.8rem; color: #ff8585; min-height: 1em; }
.contact-form__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; }
.contact-form__status { font-size: 0.92rem; color: var(--accent); margin: 0; }
.btn__check { opacity: 0; width: 0; transition: opacity 0.3s, width 0.3s; }
.btn.is-sent .btn__check { opacity: 1; width: 20px; }

/* ---------- 13. FOOTER ---------- */
.site-footer { background: var(--navy-900); border-block-start: 1px solid var(--hair); padding-block: 60px 30px; }
.footer__grid { display: grid; grid-template-columns: 1fr; gap: 34px; padding-block-end: 38px; border-block-end: 1px solid var(--hair); }
.footer__brand .brand__name { font-size: 1.3rem; font-weight: 800; display: block; }
.footer__brand .brand__tag { font-family: var(--font-en); font-size: 0.64rem; letter-spacing: 0.24em; text-transform: uppercase; color: var(--muted); }
.footer__note { color: var(--muted); margin-top: 14px; max-width: 40ch; }
.footer__links { display: flex; flex-direction: column; gap: 12px; }
.footer__links a { color: var(--muted); transition: color 0.3s; }
.footer__links a:hover { color: var(--text); }
.footer__bottom { display: flex; flex-direction: column; gap: 8px; padding-block-start: 26px; font-size: 0.84rem; color: var(--muted); }
.footer__bottom span:first-child { font-family: var(--font-en); letter-spacing: 0.04em; }
.footer__provisional { color: rgba(134,150,174,0.6); font-size: 0.78rem; }

/* ---------- 14. SCROLL REVEAL (JS-guarded) ---------- */
html.js .reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out); }
html.js .reveal.is-visible { opacity: 1; transform: none; }

/* ---------- 15. RESPONSIVE ---------- */
@media (min-width: 700px) {
  .contact-form { grid-template-columns: 1fr 1fr; }
  .field--full { grid-column: 1 / -1; }
  .footer__grid { grid-template-columns: 1.4fr 1fr; }
  .footer__bottom { flex-direction: row; justify-content: space-between; align-items: center; }
}

@media (min-width: 980px) {
  .container { padding-inline: 40px; }
  .nav__links { display: flex; }
  .nav__cta { display: inline-flex; }
  .nav__burger { display: none; }
  .companies__grid { grid-template-columns: repeat(3, 1fr); gap: 26px; }
  .contact__inner { grid-template-columns: 0.9fr 1.1fr; gap: 70px; align-items: start; }

  /* Interactive group structure (desktop only) */
  .group-structure { padding-block-start: 120px; }
  .group-structure__apex { display: flex; flex-direction: column; align-items: center; gap: 10px; position: absolute; inset-block-start: 0; inset-inline-start: 50%; transform: translateX(-50%); z-index: 2; }
  html[dir="rtl"] .group-structure__apex { transform: translateX(50%); }
  .apex-dot { width: 16px; height: 16px; border-radius: 50%; background: var(--metal); box-shadow: 0 0 22px 4px rgba(90,162,255,0.6); animation: nodePulse 3.4s ease-in-out infinite; }
  .apex-label { font-family: var(--font-en); font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); }
  .group-structure__links { display: block; position: absolute; inset-block-start: 10px; inset-inline: 0; height: 130px; width: 100%; z-index: 0; }
  .group-structure__links .link { stroke: var(--accent); stroke-width: 0.5; opacity: 0.18; vector-effect: non-scaling-stroke; transition: opacity 0.4s, stroke-width 0.4s; }
  .group-structure__links .link.is-active { opacity: 0.8; stroke-width: 1; }
}

/* ---------- 16. CREATIVE / INTELLIGENT INTERACTIONS ---------- */
/* Cursor glow follower (pointer:fine only, JS-driven) */
.cursor-glow {
  position: fixed; inset-block-start: 0; inset-inline-start: 0; z-index: 50;
  width: 460px; height: 460px; margin: -230px 0 0 -230px; border-radius: 50%;
  pointer-events: none; opacity: 0; mix-blend-mode: screen;
  background: radial-gradient(circle, rgba(90,162,255,0.18), rgba(46,107,255,0.06) 42%, transparent 68%);
  transition: opacity 0.5s var(--ease);
  will-change: transform;
}
html.has-cursor-glow .cursor-glow { opacity: 1; }

/* Magnetic targets glide toward the pointer (JS sets --mxp/--myp) */
[data-magnetic] { transition: transform 0.35s var(--ease); }
[data-magnetic].is-magnet { transform: translate(var(--mxp, 0px), var(--myp, 0px)); transition: transform 0.12s linear; }

/* Kinetic typography — words rise into place, staggered */
.kinetic-word { display: inline-block; }
html.js .kinetic .kinetic-word {
  transform: translateY(115%) rotate(2deg); opacity: 0;
  transition: transform 0.85s var(--ease-out), opacity 0.85s var(--ease-out);
  transition-delay: calc(var(--w, 0) * 55ms);
}
html.js .kinetic.is-revealed .kinetic-word { transform: none; opacity: 1; }
.kinetic { display: inline-block; }
.kinetic .kw-wrap { display: inline-block; overflow: hidden; vertical-align: top; padding: 0.14em 0.04em; margin: -0.14em -0.04em; }

/* Smart auto-hiding header on scroll-down */
.site-header { transition: background 0.4s, backdrop-filter 0.4s, border-color 0.4s, transform 0.5s var(--ease); }
.site-header.is-hidden { transform: translateY(-104%); }

/* ---------- 17. A11Y / MOTION ---------- */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  html.js .reveal { opacity: 1; transform: none; }
  .rhwan-net, .aurora { animation: none !important; }
  .scroll-progress { display: none; }
  .cursor-glow { display: none !important; }
  html.js .kinetic .kinetic-word { transform: none !important; opacity: 1 !important; }
  .site-header.is-hidden { transform: none !important; }
  [data-magnetic].is-magnet { transform: none !important; }
  .company-card, .sv-card { transform: none !important; }
}
@media (hover: none) {
  /* Touch devices: disable tilt/magnet transforms that depend on a pointer */
  .company-card { transform: translateY(var(--ty, 0px)); }
}