:root {
    --red: #A70B09;
    --orange: #EF470C;
    --dark: #353535;
    --silver: #B2AFAF;
    --black: #0D0D0D;
    --white: #F5F4F2;
    --grad: linear-gradient(135deg, var(--red) 0%, var(--orange) 100%);
  }

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

  html { scroll-behavior: smooth; }

  body {
    background: var(--black);
    color: var(--white);
    font-family: 'Barlow', sans-serif;
    overflow-x: hidden;
  }

  body.ar {
    font-family: 'Cairo', sans-serif;
    direction: rtl;
  }

  /* ── NAV ── */
  nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 5vw;
    height: 70px;
    background: rgba(13,13,13,0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(239,71,12,0.15);
    transition: background 0.3s;
  }
  nav.scrolled { background: rgba(13,13,13,0.98); }

  .nav-logo {
    display: flex; align-items: center; gap: 12px;
    text-decoration: none;
  }

  .nav-logo img { height: 42px; }

  .nav-links {
    display: flex; gap: 32px; list-style: none;
  }

  .nav-links a {
    color: var(--silver);
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    transition: color 0.2s;
  }

  .nav-links a:hover { color: var(--orange); }

  .nav-right { display: flex; align-items: center; gap: 16px; }

  .lang-btn {
    background: transparent;
    border: 1px solid var(--orange);
    color: var(--orange);
    padding: 6px 16px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
  }

  .lang-btn:hover { background: var(--orange); color: #fff; }

  .cta-btn {
    background: var(--grad);
    color: #fff;
    border: none;
    padding: 8px 22px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    transition: opacity 0.2s;
    font-family: inherit;
    text-decoration: none;
    display: inline-block;
  }

  .cta-btn:hover { opacity: 0.85; }

  /* ── HERO ── */
  #hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    position: relative;
    overflow: hidden;
    padding-top: 70px;
  }

  .hero-left {
    display: flex; flex-direction: column;
    justify-content: center;
    padding: 80px 5vw 80px 8vw;
    position: relative; z-index: 2;
  }

  .hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(239,71,12,0.12);
    border: 1px solid rgba(239,71,12,0.3);
    padding: 6px 16px;
    margin-bottom: 28px;
    width: fit-content;
  }

  .hero-badge span {
    font-size: 11px; font-weight: 700; letter-spacing: 0.15em;
    text-transform: uppercase; color: var(--orange);
  }

  .hero-badge::before {
    content: '';
    width: 6px; height: 6px;
    background: var(--orange);
    border-radius: 50%;
    animation: pulse 2s infinite;
  }

  @keyframes pulse {
    0%,100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(1.4); }
  }

  .hero-title {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: clamp(52px, 6vw, 88px);
    font-weight: 900;
    line-height: 0.95;
    text-transform: uppercase;
    margin-bottom: 24px;
  }

  body.ar .hero-title {
    font-family: 'Cairo', sans-serif;
    font-size: clamp(40px, 5vw, 70px);
    line-height: 1.1;
  }

  .hero-title .accent { color: var(--orange); }

  .hero-sub {
    font-size: 15px; font-weight: 300;
    color: var(--silver); line-height: 1.7;
    max-width: 460px; margin-bottom: 40px;
  }

  .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

  .btn-outline {
    border: 1px solid var(--silver);
    color: var(--silver);
    padding: 12px 28px;
    font-size: 12px; font-weight: 700;
    letter-spacing: 0.1em; text-transform: uppercase;
    cursor: pointer; background: transparent;
    transition: all 0.2s; font-family: inherit;
    text-decoration: none; display: inline-block;
  }

  .btn-outline:hover { border-color: var(--white); color: var(--white); }

  .hero-stats {
    display: flex; gap: 40px; margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.08);
  }

  .stat-num {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 42px; font-weight: 900;
    color: var(--orange); line-height: 1;
  }

  body.ar .stat-num { font-family: 'Cairo', sans-serif; }

  .stat-label {
    font-size: 11px; font-weight: 600;
    letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--silver); margin-top: 4px;
  }

  .hero-right {
    position: relative; overflow: hidden;
  }

  .hero-right::before {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(to right, var(--black) 0%, transparent 30%),
                linear-gradient(to top, var(--black) 0%, transparent 40%);
    z-index: 1;
  }

  .hero-img {
    width: 100%; height: 100%;
    object-fit: cover; opacity: 0.5;
  }

  .hero-accent-line {
    position: absolute; bottom: 0; left: 0;
    width: 100%; height: 3px;
    background: var(--grad);
    z-index: 3;
  }

  /* diagonal divider */
  .hero-right::after {
    content: '';
    position: absolute; top: 0; left: -60px;
    width: 120px; height: 100%;
    background: var(--black);
    transform: skewX(-3deg);
    z-index: 2;
  }

  /* ── SECTION BASE ── */
  section { position: relative; }

  .section-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 100px 5vw;
  }

  .section-label {
    font-size: 11px; font-weight: 700;
    letter-spacing: 0.2em; text-transform: uppercase;
    color: var(--orange); margin-bottom: 16px;
    display: flex; align-items: center; gap: 12px;
  }

  .section-label::before {
    content: '';
    display: block; width: 30px; height: 2px;
    background: var(--orange);
  }

  body.ar .section-label { flex-direction: row-reverse; }
  body.ar .section-label::before { display: none; }
  body.ar .section-label::after {
    content: '';
    display: block; width: 30px; height: 2px;
    background: var(--orange);
  }

  .section-title {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: clamp(36px, 4vw, 56px);
    font-weight: 800; text-transform: uppercase;
    line-height: 1; margin-bottom: 20px;
  }

  body.ar .section-title {
    font-family: 'Cairo', sans-serif;
    font-size: clamp(30px, 3.5vw, 48px);
    line-height: 1.2;
  }

  .section-body {
    font-size: 15px; color: var(--silver);
    line-height: 1.75; max-width: 600px;
  }

  /* ── ABOUT ── */
  #about { background: #111; }

  .about-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 80px; align-items: center;
  }

  .about-visual {
    position: relative;
  }

  .about-img-wrap {
    position: relative;
    aspect-ratio: 4/5;
    overflow: hidden;
  }

  .about-img-wrap img {
    width: 100%; height: 100%; object-fit: cover;
    filter: grayscale(20%) contrast(1.1);
  }

  .about-img-wrap::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(to bottom, transparent 60%, rgba(239,71,12,0.25) 100%);
  }

  .about-badge-float {
    position: absolute; bottom: -24px;
    right: -24px;
    background: var(--grad);
    padding: 24px 28px;
    z-index: 2;
  }

  body.ar .about-badge-float { right: auto; left: -24px; }

  .about-badge-float .num {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 48px; font-weight: 900;
    line-height: 1; display: block;
  }

  body.ar .about-badge-float .num { font-family: 'Cairo', sans-serif; }

  .about-badge-float .lbl {
    font-size: 11px; font-weight: 700;
    letter-spacing: 0.1em; text-transform: uppercase;
  }

  .about-text { padding-bottom: 24px; }

  .about-pillars {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 1px; margin-top: 40px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.06);
  }

  .pillar {
    background: #111;
    padding: 20px 24px;
    display: flex; gap: 14px; align-items: flex-start;
  }

  .pillar-icon {
    width: 36px; height: 36px; flex-shrink: 0;
    background: rgba(239,71,12,0.12);
    display: flex; align-items: center; justify-content: center;
    color: var(--orange); font-size: 16px;
  }

  .pillar-name {
    font-size: 13px; font-weight: 600;
    letter-spacing: 0.05em; text-transform: uppercase;
    color: var(--white); margin-bottom: 4px;
  }

  .pillar-desc { font-size: 12px; color: var(--silver); line-height: 1.5; }

  /* ── SERVICES ── */
  #services { background: var(--black); }

  .services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.05);
    margin-top: 60px;
  }

  .service-card {
    background: var(--black);
    padding: 40px 32px;
    position: relative;
    overflow: hidden;
    transition: background 0.3s;
    cursor: default;
  }

  .service-card::before {
    content: '';
    position: absolute; bottom: 0; left: 0;
    width: 0; height: 3px;
    background: var(--grad);
    transition: width 0.4s ease;
  }

  .service-card:hover { background: rgba(239,71,12,0.05); }
  .service-card:hover::before { width: 100%; }

  .service-num {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 60px; font-weight: 900;
    color: rgba(255,255,255,0.04);
    position: absolute; top: 16px; right: 20px;
    line-height: 1; pointer-events: none;
  }

  body.ar .service-num { right: auto; left: 20px; }

  .service-icon {
    width: 50px; height: 50px;
    background: var(--grad);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 20px;
    font-size: 22px; color: #fff;
  }

  .service-name {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 22px; font-weight: 700;
    text-transform: uppercase; margin-bottom: 12px;
    letter-spacing: 0.03em;
  }

  body.ar .service-name {
    font-family: 'Cairo', sans-serif;
    font-size: 18px; letter-spacing: 0;
  }

  .service-desc { font-size: 13px; color: var(--silver); line-height: 1.65; }

  /* ── WHY US ── */
  #why { background: #0a0a0a; }

  .why-layout {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 80px; align-items: start;
  }

  .why-list { margin-top: 48px; }

  .why-item {
    display: flex; gap: 20px;
    padding: 24px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    align-items: flex-start;
  }

  .why-item:first-child { border-top: 1px solid rgba(255,255,255,0.06); }

  .why-marker {
    width: 4px; height: 40px;
    background: var(--grad); flex-shrink: 0;
    margin-top: 4px;
  }

  .why-content-title {
    font-size: 14px; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.08em;
    margin-bottom: 6px;
  }

  body.ar .why-content-title { letter-spacing: 0; }

  .why-content-desc { font-size: 13px; color: var(--silver); line-height: 1.6; }

  .why-visual {
    position: sticky; top: 100px;
  }

  .why-big-num {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: clamp(120px, 14vw, 200px);
    font-weight: 900; line-height: 1;
    background: var(--grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
  }

  .why-caption {
    font-size: 13px; color: var(--silver); line-height: 1.7;
    border-left: 3px solid var(--orange);
    padding-left: 20px;
    max-width: 320px;
  }

  body.ar .why-caption {
    border-left: none;
    border-right: 3px solid var(--orange);
    padding-left: 0; padding-right: 20px;
  }

  .brand-logos {
    margin-top: 48px;
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 1px; background: rgba(255,255,255,0.05);
  }

  .brand-logo-box {
    background: #0a0a0a;
    padding: 16px;
    display: flex; align-items: center; justify-content: center;
    font-size: 11px; font-weight: 700;
    color: var(--silver); letter-spacing: 0.1em;
    text-transform: uppercase; text-align: center;
    min-height: 56px;
  }

  /* ── PROCESS ── */
  #process { background: #111; }

  .process-steps {
    margin-top: 60px;
    display: grid; grid-template-columns: repeat(7, 1fr);
    gap: 0; position: relative;
  }

  .process-steps::before {
    content: '';
    position: absolute;
    top: 32px; left: 5%; right: 5%;
    height: 2px;
    background: linear-gradient(to right, var(--red), var(--orange));
    z-index: 0;
  }

  body.ar .process-steps::before {
    background: linear-gradient(to left, var(--red), var(--orange));
  }

  .step {
    display: flex; flex-direction: column; align-items: center;
    text-align: center; padding: 0 8px; position: relative; z-index: 1;
  }

  .step-dot {
    width: 64px; height: 64px;
    background: #111;
    border: 2px solid var(--orange);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 20px; font-weight: 900;
    color: var(--orange);
    margin-bottom: 16px;
    transition: all 0.3s;
    flex-shrink: 0;
  }

  body.ar .step-dot { font-family: 'Cairo', sans-serif; }

  .step:hover .step-dot {
    background: var(--grad);
    color: #fff; border-color: transparent;
  }

  .step-name {
    font-size: 11px; font-weight: 700;
    letter-spacing: 0.08em; text-transform: uppercase;
    color: var(--silver); line-height: 1.4;
  }

  body.ar .step-name { letter-spacing: 0; font-size: 12px; }

  /* ── COMMITMENT ── */
  #commitment {
    background: var(--black);
    overflow: hidden;
  }

  .commit-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 0;
    margin-top: 60px;
    border: 1px solid rgba(255,255,255,0.06);
  }

  .commit-item {
    padding: 36px 40px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    border-right: 1px solid rgba(255,255,255,0.06);
    display: flex; gap: 20px; align-items: flex-start;
    transition: background 0.3s;
  }

  body.ar .commit-item { border-right: none; border-left: 1px solid rgba(255,255,255,0.06); }
  .commit-item:nth-child(2n) { border-right: none; }
  body.ar .commit-item:nth-child(2n) { border-left: none; }
  .commit-item:hover { background: rgba(239,71,12,0.04); }

  .commit-icon {
    font-size: 28px; color: var(--orange); flex-shrink: 0;
    margin-top: 2px;
  }

  .commit-title {
    font-size: 14px; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.08em;
    margin-bottom: 6px;
  }

  body.ar .commit-title { letter-spacing: 0; }

  .commit-desc { font-size: 13px; color: var(--silver); line-height: 1.6; }

  /* ── CONTACT ── */
  #contact {
    background: #0a0a0a;
    position: relative;
    overflow: hidden;
  }

  #contact::before {
    content: 'PRIME TECH';
    position: absolute; top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    font-family: 'Barlow Condensed', sans-serif;
    font-size: clamp(80px, 12vw, 180px);
    font-weight: 900; text-transform: uppercase;
    color: rgba(255,255,255,0.02);
    white-space: nowrap; pointer-events: none;
    letter-spacing: 0.05em;
  }

  .contact-layout {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 80px; align-items: start;
  }

   .contact-item {
    display: flex; gap: 20px; align-items: flex-start;
    padding: 28px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }

  .contact-item:first-child { border-top: 1px solid rgba(255,255,255,0.06); }

  .contact-icon-box {
    width: 44px; height: 44px;
    background: var(--grad);
    display: flex; align-items: center; justify-content: center;
    font-size: 18px; flex-shrink: 0;
  }

  .contact-label {
    font-size: 11px; font-weight: 700;
    letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--orange); margin-bottom: 4px;
  }

  .contact-value {
    font-size: 15px; font-weight: 500; color: var(--white);
    direction: ltr; display: block;
  }

  .form-row { margin-bottom: 20px; }

  .form-row label {
    display: block; font-size: 11px; font-weight: 700;
    letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--silver); margin-bottom: 8px;
  }

  .form-row input,
  .form-row textarea,
  .form-row select {
    width: 100%;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--white);
    padding: 14px 16px;
    font-size: 14px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s;
    resize: vertical;
  }

  .form-row input:focus,
  .form-row textarea:focus,
  .form-row select:focus {
    border-color: var(--orange);
  }

  .form-row textarea { min-height: 120px; }

  .form-row select option { background: #1a1a1a; }

  .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

  .submit-btn {
    width: 100%;
    background: var(--grad);
    border: none; color: #fff;
    padding: 16px;
    font-size: 13px; font-weight: 700;
    letter-spacing: 0.12em; text-transform: uppercase;
    cursor: pointer; font-family: inherit;
    transition: opacity 0.2s;
  }

  .submit-btn:hover { opacity: 0.85; }

  /* ── FOOTER ── */
  footer {
    background: #050505;
    border-top: 1px solid rgba(255,255,255,0.05);
    padding: 40px 5vw;
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 20px;
  }

  .footer-logo img { height: 36px; }

  .footer-copy {
    font-size: 12px; color: var(--silver);
    letter-spacing: 0.05em;
  }

  .footer-tagline {
    font-size: 11px; font-weight: 700;
    color: var(--orange); letter-spacing: 0.15em;
    text-transform: uppercase;
  }

  /* ── FIRE ANIMATION bg ── */
  .fire-bg {
    position: absolute; inset: 0; z-index: 0;
    pointer-events: none; overflow: hidden;
  }

  .fire-bg::before, .fire-bg::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.06;
    animation: drift 12s ease-in-out infinite;
  }

  .fire-bg::before {
    width: 600px; height: 600px;
    background: var(--red);
    top: -100px; right: -100px;
  }

  .fire-bg::after {
    width: 400px; height: 400px;
    background: var(--orange);
    bottom: 0; left: 30%;
    animation-delay: -6s;
  }

  @keyframes drift {
    0%,100% { transform: translate(0,0); }
    50% { transform: translate(30px, -30px); }
  }

  /* ── SCROLL REVEAL ── */
  .reveal {
    opacity: 0; transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .reveal.visible { opacity: 1; transform: none; }

  .reveal-delay-1 { transition-delay: 0.1s; }
  .reveal-delay-2 { transition-delay: 0.2s; }
  .reveal-delay-3 { transition-delay: 0.3s; }
  .reveal-delay-4 { transition-delay: 0.4s; }

  /* ── MOBILE ── */
  @media (max-width: 900px) {
    #hero { grid-template-columns: 1fr; }
    .hero-right { display: none; }
    .about-grid, .why-layout, .contact-layout { grid-template-columns: 1fr; gap: 40px; }
    .services-grid { grid-template-columns: 1fr; }
    .process-steps { grid-template-columns: repeat(3, 1fr); row-gap: 24px; }
    .process-steps::before { display: none; }
    .commit-grid { grid-template-columns: 1fr; }
    nav .nav-links { display: none; }
    .hero-stats { gap: 24px; flex-wrap: wrap; }
    .about-badge-float { right: 0; }
    body.ar .about-badge-float { left: 0; }
    .brand-logos { grid-template-columns: repeat(3, 1fr); }
    .form-grid { grid-template-columns: 1fr; }
  }

  /* Arabic hero image */
  .hero-right-bg {
    width: 100%; height: 100%;
    background: url('safety-extinguisher-instrument-utility-faucet.webp') center/cover;
  }

  /* Hamburger */
  .hamburger {
    display: none;
    flex-direction: column; gap: 5px; cursor: pointer; padding: 4px;
    background: transparent;
    border: 0;
  }
  .hamburger span { width: 24px; height: 2px; background: var(--white); display: block; }

  @media (max-width: 900px) {
    .hamburger { display: flex; }
  }

  /* Form success */
  .form-success {
    display: none;
    text-align: center; padding: 40px;
    border: 1px solid var(--orange);
  }

  .form-success.show { display: block; }
  .form-success .check { font-size: 48px; color: var(--orange); margin-bottom: 16px; }
  .success-actions {
    margin-top: 22px;
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
  }
  .success-action-btn {
    background: var(--grad);
    color: #fff;
    text-decoration: none;
    border: 1px solid transparent;
    padding: 10px 16px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
  }
  .success-action-btn-outline {
    background: transparent;
    border-color: var(--orange);
    color: var(--orange);
  }