/* =====================================================
   ELFAROUK INTEGRATED SYSTEMS — STYLESHEET
   ===================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy:       #0B1C3B;
  --navy-mid:   #132644;
  --navy-light: #1A3260;
  --gold:       #C8973A;
  --gold-light: #E0B55A;
  --gold-dark:  #A87820;
  --white:      #FFFFFF;
  --off-white:  #F5F5F0;
  --gray-100:   #E8E8E0;
  --gray-400:   #8890A0;
  --dark-bg:    #08152D;
  --font-sans:  'Inter', system-ui, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-arabic:'Cairo', system-ui, sans-serif;
  --radius-sm:  6px; --radius-md: 12px; --radius-lg: 20px; --radius-xl: 32px;
  --shadow-sm:  0 2px 10px rgba(0,0,0,.12);
  --shadow-md:  0 8px 32px rgba(0,0,0,.18);
  --shadow-lg:  0 20px 60px rgba(0,0,0,.24);
  --transition: 0.35s cubic-bezier(.25,.8,.25,1);
  --container:  1220px;
}

html { scroll-behavior: smooth; }
body { font-family: var(--font-sans); background: var(--off-white); color: var(--navy); line-height: 1.7; overflow-x: hidden; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }

.container { width: 90%; max-width: var(--container); margin: 0 auto; }
.text-gold { color: var(--gold); }
.section { padding: 100px 0; }
.section--dark { background: var(--navy); color: var(--white); }
.section-header { text-align: center; margin-bottom: 64px; }
.section-eyebrow { font-size:.75rem; font-weight:600; letter-spacing:.18em; text-transform:uppercase; color:var(--gray-400); margin-bottom:12px; }
.section-eyebrow--gold { color: var(--gold); }
.section-title { font-family:var(--font-serif); font-size:clamp(2rem,4vw,3rem); font-weight:700; line-height:1.2; margin-bottom:16px; }
.section-desc { max-width:600px; margin:0 auto; color:var(--gray-400); font-size:1.05rem; }
.section--dark .section-desc { color:rgba(255,255,255,.55); }

/* Buttons */
.btn { display:inline-flex; align-items:center; gap:8px; padding:14px 32px; border-radius:50px; font-size:.95rem; font-weight:600; cursor:pointer; transition:transform var(--transition),box-shadow var(--transition),background var(--transition); border:2px solid transparent; white-space:nowrap; }
.btn:hover { transform:translateY(-2px); box-shadow:var(--shadow-md); }
.btn:active { transform:translateY(0); }
.btn--gold { background:var(--gold); color:var(--white); border-color:var(--gold); }
.btn--gold:hover { background:var(--gold-light); border-color:var(--gold-light); }
.btn--ghost { background:transparent; color:var(--white); border-color:rgba(255,255,255,.4); }
.btn--ghost:hover { background:rgba(255,255,255,.08); border-color:var(--white); }
.btn--outline-gold { background:transparent; color:var(--gold); border-color:var(--gold); }
.btn--outline-gold:hover { background:var(--gold); color:var(--white); }
.btn--full { width:100%; justify-content:center; }
.lang-btn { background:rgba(200,151,58,.12); color:var(--gold); border:1.5px solid rgba(200,151,58,.35); padding:8px 18px; font-size:.82rem; font-weight:700; letter-spacing:.04em; border-radius:50px; cursor:pointer; transition:var(--transition); font-family:inherit; }
.lang-btn:hover { background:var(--gold); color:var(--white); }

/* NAVBAR */
.navbar { position:fixed; top:0; left:0; right:0; z-index:1000; padding:18px 0; transition:background var(--transition),padding var(--transition),box-shadow var(--transition); }
.navbar.scrolled { background:rgba(8,21,45,.96); backdrop-filter:blur(20px); padding:12px 0; box-shadow:0 4px 30px rgba(0,0,0,.4); }
.navbar__inner { display:flex; align-items:center; justify-content:space-between; gap:16px; }
.navbar__logo { display:flex; align-items:center; gap:12px; flex-shrink:0; }
.navbar__logo-img { height:46px; width:auto; object-fit:contain; display:block; }
.logo-text { display:flex; flex-direction:column; line-height:1.1; }
.logo-text--fallback { display:none; }
.logo-text strong { font-size:.95rem; font-weight:700; letter-spacing:.1em; color:var(--white); }
.logo-text em { font-size:.72rem; font-style:normal; color:var(--gold); letter-spacing:.08em; }
.navbar__links { display:flex; align-items:center; gap:28px; }
.navbar__links a { font-size:.88rem; font-weight:500; color:rgba(255,255,255,.8); letter-spacing:.04em; transition:color var(--transition); }
.navbar__links a:hover { color:var(--gold); }
.navbar__end { display:flex; align-items:center; gap:12px; }
.navbar__burger { display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:4px; }
.navbar__burger span { display:block; width:24px; height:2px; background:var(--white); border-radius:2px; transition:transform var(--transition),opacity var(--transition); }

/* HERO */
.hero { position:relative; min-height:100vh; display:flex; align-items:center; overflow:hidden; }
.hero__bg-wrap { position:absolute; inset:0; z-index:0; }
.hero__bg-img { width:100%; height:100%; object-fit:cover; object-position:center; transform:scale(1.04); animation:heroZoom 14s ease-out forwards; }
@keyframes heroZoom { to { transform:scale(1); } }
.hero__overlay { position:absolute; inset:0; background:linear-gradient(105deg,rgba(8,21,45,.90) 0%,rgba(8,21,45,.72) 50%,rgba(8,21,45,.40) 100%); }
.hero__content { position:relative; z-index:1; padding-top:120px; padding-bottom:80px; max-width:760px; }
.hero__slogan { font-family:var(--font-serif); font-size:clamp(.85rem,1.8vw,1.1rem); font-weight:600; color:var(--gold); letter-spacing:.1em; text-transform:uppercase; margin-bottom:14px; animation:fadeUp .7s ease both; opacity:.9; }
.hero__badge { display:inline-block; padding:6px 18px; background:rgba(200,151,58,.15); border:1px solid rgba(200,151,58,.35); border-radius:50px; font-size:.75rem; font-weight:600; letter-spacing:.12em; text-transform:uppercase; color:var(--gold); margin-bottom:24px; animation:fadeUp .8s .05s ease both; }
.hero__headline { font-family:var(--font-serif); font-size:clamp(2.4rem,5.5vw,4rem); font-weight:700; line-height:1.15; color:var(--white); margin-bottom:24px; animation:fadeUp .9s .1s ease both; }
.hero__sub { font-size:clamp(1rem,2vw,1.2rem); color:rgba(255,255,255,.72); max-width:520px; margin-bottom:40px; font-weight:300; animation:fadeUp .9s .2s ease both; }
.hero__ctas { display:flex; flex-wrap:wrap; gap:16px; margin-bottom:64px; animation:fadeUp .9s .3s ease both; }
.hero__stats { display:flex; gap:40px; flex-wrap:wrap; animation:fadeUp .9s .45s ease both; }
.hero__stat { display:flex; flex-direction:column; gap:4px; }
.stat-num { font-family:var(--font-serif); font-size:1.9rem; font-weight:700; color:var(--gold); line-height:1; }
.stat-label { font-size:.75rem; color:rgba(255,255,255,.55); letter-spacing:.06em; text-transform:uppercase; }
.hero__scroll { position:absolute; bottom:40px; left:50%; transform:translateX(-50%); z-index:1; }
.scroll-line { display:block; width:1px; height:56px; background:linear-gradient(to bottom,rgba(255,255,255,.6),transparent); margin:0 auto; animation:scrollPulse 2s ease-in-out infinite; }
@keyframes scrollPulse { 0%,100% { opacity:1; } 50% { opacity:.4; } }
@keyframes fadeUp { from { opacity:0; transform:translateY(28px); } to { opacity:1; transform:translateY(0); } }

/* SERVICES */
.services__grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.service-card { position:relative; background:var(--white); border-radius:var(--radius-lg); padding:40px 32px; border:1px solid rgba(0,0,0,.06); overflow:hidden; transition:transform var(--transition),box-shadow var(--transition); }
.service-card::before { content:''; position:absolute; bottom:0; left:0; right:0; height:3px; background:linear-gradient(90deg,var(--gold),var(--gold-light)); transform:scaleX(0); transform-origin:left; transition:transform var(--transition); }
.service-card:hover { transform:translateY(-6px); box-shadow:var(--shadow-lg); }
.service-card:hover::before { transform:scaleX(1); }
.service-card--featured { background:linear-gradient(145deg,var(--navy) 0%,var(--navy-light) 100%); color:var(--white); border-color:transparent; box-shadow:var(--shadow-md); }
.service-card--featured .service-card__desc, .service-card--featured .service-card__features li { color:rgba(255,255,255,.7); }
.service-card--featured .service-card__line { background:rgba(255,255,255,.1); }
.service-card__badge { display:inline-block; background:var(--gold); color:var(--white); font-size:.7rem; font-weight:700; letter-spacing:.1em; text-transform:uppercase; padding:4px 12px; border-radius:50px; margin-bottom:20px; }
.service-card__icon { width:52px; height:52px; color:var(--gold); margin-bottom:20px; }
.service-card__icon svg { width:100%; height:100%; }
.service-card__title { font-size:1.2rem; font-weight:700; margin-bottom:12px; line-height:1.3; }
.service-card__desc { font-size:.9rem; color:var(--gray-400); margin-bottom:20px; line-height:1.65; }
.service-card__features { list-style:none; display:flex; flex-direction:column; gap:8px; }
.service-card__features li { font-size:.84rem; color:var(--gray-400); padding-left:18px; position:relative; }
.service-card__features li::before { content:''; position:absolute; left:0; top:50%; transform:translateY(-50%); width:6px; height:6px; border-radius:50%; background:var(--gold); }
.service-card__line { height:1px; background:var(--gray-100); margin:24px 0 0; }
.service-card__tag-electric { display:inline-flex; align-items:center; gap:6px; margin-top:16px; padding:5px 14px; background:rgba(255,180,0,.1); border:1px solid rgba(255,180,0,.35); border-radius:50px; font-size:.75rem; font-weight:700; color:#e5a000; letter-spacing:.05em; }

/* WHY US */
.differentiators__grid { display:grid; grid-template-columns:1fr 1fr; gap:2px; margin-bottom:64px; border:1px solid rgba(255,255,255,.08); border-radius:var(--radius-lg); overflow:hidden; }
.diff-item { display:flex; gap:24px; padding:48px; border:1px solid rgba(255,255,255,.06); transition:background var(--transition); }
.diff-item:hover { background:rgba(200,151,58,.05); }
.diff-item__num { font-family:var(--font-serif); font-size:3.5rem; font-weight:700; color:rgba(200,151,58,.2); line-height:1; flex-shrink:0; min-width:64px; }
.diff-item__body h3 { font-size:1.15rem; font-weight:700; color:var(--white); margin-bottom:10px; }
.diff-item__body p { font-size:.9rem; color:rgba(255,255,255,.55); line-height:1.7; }
.certifications { text-align:center; padding-top:48px; border-top:1px solid rgba(255,255,255,.08); }
.cert-label { font-size:.78rem; letter-spacing:.14em; text-transform:uppercase; color:rgba(255,255,255,.35); margin-bottom:28px; }
.cert-badges { display:flex; flex-wrap:wrap; justify-content:center; gap:24px; }
.cert-badge-item { display:flex; flex-direction:column; align-items:center; gap:8px; }
.cert-badge-icon { width:56px; height:56px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:1.1rem; font-weight:900; margin-bottom:4px; }
.cert-badge-icon--iso { background:linear-gradient(135deg,#2563eb,#1e40af); color:#fff; font-size:.95rem; letter-spacing:.04em; }
.cert-badge-icon--ce { background:linear-gradient(135deg,#16a34a,#15803d); color:#fff; font-size:1rem; letter-spacing:.04em; }
.cert-badge-icon--intl { background:linear-gradient(135deg,var(--gold),var(--gold-dark)); font-size:1.4rem; }
.cert-badge { padding:6px 18px; border:1px solid rgba(200,151,58,.35); border-radius:50px; font-size:.82rem; font-weight:600; color:rgba(255,255,255,.8); letter-spacing:.04em; transition:border-color var(--transition),color var(--transition); }
.cert-badge:hover { border-color:var(--gold); color:var(--gold-light); }
.cert-badge-sub { font-size:.72rem; color:rgba(255,255,255,.35); letter-spacing:.06em; text-transform:uppercase; }

/* SOLUTIONS / PORTFOLIO */
.portfolio__grid { display:grid; grid-template-columns:repeat(3,1fr); grid-template-rows:320px 280px; gap:16px; }
.portfolio-item { position:relative; border-radius:var(--radius-lg); overflow:hidden; cursor:pointer; }
.portfolio-item--large { grid-column:span 2; }
.portfolio-item img { width:100%; height:100%; object-fit:cover; transition:transform 0.6s ease; }
.portfolio-item:hover img { transform:scale(1.06); }
.portfolio-item__overlay { position:absolute; bottom:0; left:0; right:0; padding:28px; background:linear-gradient(to top,rgba(8,21,45,.95) 0%,transparent 100%); transform:translateY(24px); opacity:0; transition:transform var(--transition),opacity var(--transition); }
.portfolio-item:hover .portfolio-item__overlay { transform:translateY(0); opacity:1; }
.portfolio-item__tag { display:inline-block; font-size:.7rem; font-weight:600; letter-spacing:.12em; text-transform:uppercase; color:var(--gold); margin-bottom:8px; }
.portfolio-item__overlay h3 { font-size:1.05rem; font-weight:700; color:var(--white); margin-bottom:6px; }
.portfolio-item__overlay p { font-size:.82rem; color:rgba(255,255,255,.6); }
/* Electric fence badge in portfolio */
.portfolio-item__electric-badge { display:inline-flex; align-items:center; gap:5px; padding:4px 12px; background:rgba(255,160,0,.85); border-radius:50px; font-size:.68rem; font-weight:700; color:#1a0c00; letter-spacing:.05em; margin-bottom:8px; }
/* CCTV cam wrapper */
.portfolio-item__cam-wrapper { position:relative; width:100%; height:100%; }
.portfolio-item__cam-wrapper img { width:100%; height:100%; object-fit:cover; }
.portfolio-item__cam-label { position:absolute; top:16px; left:16px; display:inline-flex; align-items:center; gap:6px; padding:5px 12px; background:rgba(8,21,45,.82); backdrop-filter:blur(6px); border:1px solid rgba(200,151,58,.4); border-radius:50px; font-size:.72rem; font-weight:600; color:var(--gold); z-index:2; }

/* B2B */
.b2b__inner { display:grid; grid-template-columns:1fr 1fr; gap:80px; align-items:center; }
.b2b__desc { font-size:1.05rem; color:var(--gray-400); margin-bottom:40px; line-height:1.75; }
.b2b__offers { display:flex; flex-direction:column; gap:28px; margin-bottom:40px; }
.b2b__offer-item { display:flex; gap:20px; align-items:flex-start; }
.b2b__offer-icon { font-size:1.5rem; flex-shrink:0; width:48px; height:48px; background:linear-gradient(135deg,var(--gold),var(--gold-dark)); border-radius:var(--radius-md); display:flex; align-items:center; justify-content:center; }
.b2b__offer-item h4 { font-size:1rem; font-weight:700; color:var(--navy); margin-bottom:4px; }
.b2b__offer-item p { font-size:.88rem; color:var(--gray-400); }
.b2b__visual-card { background:linear-gradient(145deg,var(--navy) 0%,var(--navy-light) 100%); border-radius:var(--radius-xl); padding:56px 48px; color:var(--white); box-shadow:var(--shadow-lg); display:flex; flex-direction:column; }
.b2b__visual-stat { padding:32px 0; display:flex; flex-direction:column; gap:6px; }
.b2b__visual-stat:first-child { padding-top:0; }
.b2b__visual-stat:last-child { padding-bottom:0; }
.big-num { font-family:var(--font-serif); font-size:3rem; font-weight:700; color:var(--gold); line-height:1; word-break:break-word; }
.b2b__visual-stat span:last-child { font-size:.9rem; color:rgba(255,255,255,.55); }
.b2b__visual-divider { height:1px; background:rgba(255,255,255,.08); }

/* CONTACT */
.contact__inner { display:grid; grid-template-columns:1fr 1.2fr; gap:80px; align-items:start; }
.contact__text h2 { font-family:var(--font-serif); font-size:clamp(1.8rem,3vw,2.5rem); font-weight:700; color:var(--white); margin-bottom:16px; line-height:1.3; }
.contact__text > p { font-size:1rem; color:rgba(255,255,255,.55); margin-bottom:40px; line-height:1.75; }
.contact__details { display:flex; flex-direction:column; gap:20px; }
.contact__detail-row { display:flex; align-items:center; gap:14px; font-size:.95rem; color:rgba(255,255,255,.7); }
.contact__detail-icon { font-size:1.1rem; flex-shrink:0; }
.contact__detail-row a { color:var(--gold-light); transition:color var(--transition); }
.contact__detail-row a:hover { color:var(--white); }
.contact__form { background:rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.1); border-radius:var(--radius-xl); padding:48px; backdrop-filter:blur(10px); }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.form-group { display:flex; flex-direction:column; gap:8px; margin-bottom:20px; }
.form-group label { font-size:.82rem; font-weight:600; letter-spacing:.06em; text-transform:uppercase; color:rgba(255,255,255,.5); }
.form-group input, .form-group select, .form-group textarea { background:rgba(255,255,255,.07); border:1px solid rgba(255,255,255,.12); border-radius:var(--radius-sm); padding:14px 18px; font-size:.95rem; color:var(--white); font-family:inherit; outline:none; transition:border-color var(--transition),background var(--transition); width:100%; }
.form-group select option { background:var(--navy); color:var(--white); }
.form-group input::placeholder, .form-group textarea::placeholder { color:rgba(255,255,255,.3); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color:var(--gold); background:rgba(200,151,58,.06); }
.form-group textarea { resize:vertical; min-height:100px; }
.form-success { margin-top:16px; padding:14px 20px; background:rgba(76,175,80,.12); border:1px solid rgba(76,175,80,.25); border-radius:var(--radius-sm); font-size:.9rem; color:#a5d6a7; text-align:center; }

/* FOOTER */
.footer { background:var(--dark-bg); color:var(--white); padding-top:72px; }
.footer__inner { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:48px; padding-bottom:56px; border-bottom:1px solid rgba(255,255,255,.08); }
.footer__brand .navbar__logo { margin-bottom:16px; }
.footer__brand > p { font-size:.88rem; color:rgba(255,255,255,.5); max-width:240px; line-height:1.7; margin-bottom:6px; }
.footer__slogan { font-size:.8rem; color:rgba(255,255,255,.3); }
.footer__links-group { display:flex; flex-direction:column; gap:12px; }
.footer__links-group h5 { font-size:.78rem; font-weight:700; letter-spacing:.12em; text-transform:uppercase; color:var(--gold); margin-bottom:4px; }
.footer__links-group a { font-size:.88rem; color:rgba(255,255,255,.45); transition:color var(--transition); }
.footer__links-group a:hover { color:var(--white); }
.footer__cert-row { display:flex; gap:8px; margin-top:8px; }
.footer__cert-badge { padding:4px 12px; border:1px solid rgba(200,151,58,.3); border-radius:50px; font-size:.72rem; font-weight:700; color:var(--gold); letter-spacing:.06em; }
.footer__bottom { padding:24px 0; }
.footer__bottom .container { display:flex; align-items:center; justify-content:space-between; }
.footer__bottom p { font-size:.8rem; color:rgba(255,255,255,.25); }

/* WHATSAPP BUTTON */
.whatsapp-btn { position:fixed; bottom:88px; right:28px; z-index:999; width:58px; height:58px; border-radius:50%; background:#25D366; color:#fff; display:flex; align-items:center; justify-content:center; box-shadow:0 4px 20px rgba(37,211,102,.4); transition:transform var(--transition),box-shadow var(--transition); }
.whatsapp-btn svg { width:30px; height:30px; }
.whatsapp-btn:hover { transform:scale(1.1) translateY(-2px); box-shadow:0 8px 30px rgba(37,211,102,.5); }

/* BACK TO TOP */
.back-to-top { position:fixed; bottom:24px; right:28px; z-index:999; width:46px; height:46px; border-radius:50%; background:var(--navy); color:var(--gold); border:1.5px solid rgba(200,151,58,.3); font-size:1.1rem; font-weight:700; cursor:pointer; display:flex; align-items:center; justify-content:center; opacity:0; visibility:hidden; transition:opacity var(--transition),transform var(--transition),box-shadow var(--transition); }
.back-to-top.visible { opacity:1; visibility:visible; }
.back-to-top:hover { transform:translateY(-3px); box-shadow:var(--shadow-md); }

/* SCROLL ANIMATIONS */
.reveal { opacity:0; transform:translateY(32px); transition:opacity .7s ease,transform .7s ease; }
.reveal.visible { opacity:1; transform:none; }
.reveal-delay-1 { transition-delay:.1s; }
.reveal-delay-2 { transition-delay:.2s; }
.reveal-delay-3 { transition-delay:.3s; }
.reveal-delay-4 { transition-delay:.4s; }

/* =====================================================
   RTL SUPPORT
   ===================================================== */
[dir="rtl"] body { font-family: var(--font-arabic); }
[dir="rtl"] .section-title { font-family: var(--font-arabic); font-weight: 700; }
[dir="rtl"] .hero__headline { font-family: var(--font-arabic); }
[dir="rtl"] .hero__slogan { font-family: var(--font-arabic); letter-spacing:.02em; }
[dir="rtl"] .big-num { font-family: var(--font-arabic); }
[dir="rtl"] .contact__text h2 { font-family: var(--font-arabic); }

[dir="rtl"] .navbar__inner { justify-content: flex-end; gap: auto; }
[dir="rtl"] .navbar__end { margin-right: auto; margin-left: 0; }

[dir="rtl"] .hero__content { text-align: right; }

[dir="rtl"] .service-card { text-align: right; }
[dir="rtl"] .service-card::before { transform-origin: right; }
[dir="rtl"] .service-card__features li { padding-left: 0; padding-right: 18px; }
[dir="rtl"] .service-card__features li::before { left: auto; right: 0; }

[dir="rtl"] .diff-item { text-align: right; }
[dir="rtl"] .diff-item__num { text-align: right; }

[dir="rtl"] .portfolio-item__overlay { text-align: right; }
[dir="rtl"] .portfolio-item__cam-label { left: auto; right: 16px; }

[dir="rtl"] .b2b__inner { direction: rtl; }
[dir="rtl"] .b2b__text { text-align: right; }
[dir="rtl"] .b2b__offer-item { text-align: right; }
[dir="rtl"] .b2b__visual-stat { text-align: right; }

[dir="rtl"] .contact__text { text-align: right; }
[dir="rtl"] .form-group label { text-align: right; }
[dir="rtl"] .form-group input,
[dir="rtl"] .form-group select,
[dir="rtl"] .form-group textarea { text-align: right; direction: rtl; }
[dir="rtl"] .contact__detail-row { direction: ltr; flex-direction: row-reverse; justify-content: flex-end; }

[dir="rtl"] .footer__inner { direction: rtl; }
[dir="rtl"] .footer__links-group { text-align: right; }
[dir="rtl"] .footer__cert-row { justify-content: flex-end; direction: ltr; }

[dir="rtl"] .whatsapp-btn { right: auto; left: 28px; }
[dir="rtl"] .back-to-top { right: auto; left: 28px; }

[dir="rtl"] .certifications { direction: rtl; }
[dir="rtl"] .cert-badge-item { direction: rtl; }
[dir="rtl"] .cert-badges { direction: ltr; }

/* =====================================================
   RESPONSIVE — TABLET (≤ 1024px)
   ===================================================== */
@media (max-width: 1024px) {
  .section { padding: 80px 0; }
  .services__grid { grid-template-columns: 1fr 1fr; }
  .portfolio__grid { grid-template-columns: 1fr 1fr; grid-template-rows: auto; }
  .portfolio-item--large { grid-column: span 2; }
  .portfolio-item { height: 300px; }
  .portfolio-item__overlay { opacity: 1; transform: none; }
  .b2b__inner { grid-template-columns: 1fr; gap: 48px; }
  .b2b__visual-card { padding: 40px 36px; }
  .contact__inner { grid-template-columns: 1fr; gap: 48px; }
  .footer__inner { grid-template-columns: 1fr 1fr; gap: 36px; }
  .differentiators__grid { grid-template-columns: 1fr; }
  .diff-item { padding: 36px 32px; }
  .navbar__links { gap: 20px; }
}

/* =====================================================
   RESPONSIVE — MOBILE (≤ 768px)
   ===================================================== */
@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .section-header { margin-bottom: 40px; }

  /* Navbar mobile */
  .navbar__links {
    position: fixed; top: 0; right: -100%; width: 78vw; max-width: 340px;
    height: 100vh; background: var(--navy); flex-direction: column;
    justify-content: center; align-items: flex-start;
    padding: 80px 36px; gap: 28px;
    transition: right var(--transition);
    box-shadow: -10px 0 40px rgba(0,0,0,.5);
  }
  .navbar__links.open { right: 0; }
  .navbar__links a { font-size: 1.1rem; }
  .navbar__burger { display: flex; }

  /* Hero */
  .hero__content { padding-top: 100px; padding-bottom: 60px; }
  .hero__slogan { font-size: .8rem; }
  .hero__ctas { flex-direction: column; gap: 12px; }
  .hero__ctas .btn { width: 100%; justify-content: center; }
  .hero__stats { gap: 20px; flex-wrap: wrap; }
  .hero__stat { min-width: calc(50% - 12px); }
  .hero__scroll { display: none; }

  /* Services */
  .services__grid { grid-template-columns: 1fr; }
  .service-card { padding: 32px 24px; }

  /* Differentiators */
  .differentiators__grid { gap: 0; border-radius: var(--radius-md); }
  .diff-item { padding: 28px 20px; gap: 16px; }
  .diff-item__num { font-size: 2.5rem; min-width: 48px; }

  /* Certifications */
  .cert-badges { gap: 16px; }
  .cert-badge-icon { width: 48px; height: 48px; }

  /* Portfolio */
  .portfolio__grid { grid-template-columns: 1fr; grid-template-rows: auto; gap: 12px; }
  .portfolio-item--large { grid-column: span 1; }
  .portfolio-item { height: 240px; }
  .portfolio-item__overlay { opacity: 1; transform: none; padding: 20px; }
  .portfolio-item__overlay h3 { font-size: .95rem; }

  /* B2B */
  .b2b__visual-card { padding: 36px 28px; }
  .big-num { font-size: 2.4rem; }

  /* Contact */
  .form-row { grid-template-columns: 1fr; }
  .contact__form { padding: 28px 20px; border-radius: var(--radius-lg); }

  /* Footer */
  .footer__inner { grid-template-columns: 1fr; gap: 32px; padding-bottom: 40px; }
  .footer__brand > p { max-width: 100%; }
  .footer__bottom .container { flex-direction: column; gap: 8px; text-align: center; }

  /* RTL mobile nav */
  [dir="rtl"] .navbar__links { right: auto; left: -100%; }
  [dir="rtl"] .navbar__links.open { left: 0; right: auto; }
  [dir="rtl"] .hero__ctas { flex-direction: column; align-items: flex-end; }
}

/* =====================================================
   RESPONSIVE — SMALL MOBILE (≤ 480px)
   ===================================================== */
@media (max-width: 480px) {
  .container { width: 94%; }
  .hero__headline { font-size: 2rem; }
  .section-title { font-size: 1.75rem; }
  .hero__stats { gap: 16px; }
  .hero__stat { min-width: 100%; }
  .btn { padding: 13px 24px; font-size: .9rem; }
  .navbar { padding: 14px 0; }
  .portfolio-item { height: 200px; }
  .service-card { padding: 28px 20px; }
  .b2b__offer-icon { width: 40px; height: 40px; font-size: 1.2rem; }
  .diff-item__num { font-size: 2rem; min-width: 40px; }
  .contact__form { padding: 24px 16px; }
  .footer__inner { gap: 24px; }
  .footer__cert-row { flex-wrap: wrap; }
  .whatsapp-btn { width: 52px; height: 52px; bottom: 84px; right: 20px; }
  [dir="rtl"] .whatsapp-btn { right: auto; left: 20px; }
  .back-to-top { right: 20px; bottom: 20px; }
  [dir="rtl"] .back-to-top { right: auto; left: 20px; }
}