/* =========================================================
   REKZAN Engineering — Main Stylesheet
   Brand: Dark Navy #0D1B2A | Orange #E8591A | Steel #C5C8CC
   Font: IBM Plex Sans Arabic (exclusive)
   ========================================================= */

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --navy:        #0D1B2A;
    --navy-mid:    #112236;
    --navy-light:  #1A3550;
    --orange:      #E8591A;
    --orange-dark: #C94A10;
    --orange-glow: rgba(232, 89, 26, 0.18);
    --steel:       #C5C8CC;
    --steel-dim:   #8A9099;
    --white:       #FFFFFF;
    --off-white:   #F4F6F8;
    --border:      rgba(197, 200, 204, 0.15);
    --border-strong: rgba(197, 200, 204, 0.3);

    --font: 'IBM Plex Sans Arabic', sans-serif;
    --radius: 4px;
    --radius-lg: 8px;
    --transition: 0.25s ease;
    --shadow: 0 4px 24px rgba(0,0,0,0.3);
    --shadow-sm: 0 2px 12px rgba(0,0,0,0.2);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: var(--font);
    background: var(--navy);
    color: var(--steel);
    line-height: 1.7;
    overflow-x: hidden;
}

body.lang-ar { direction: rtl; text-align: right; }
body.lang-en { direction: ltr; text-align: left; }

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
    color: var(--white);
    line-height: 1.3;
    font-weight: 600;
}
h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.15rem; }
p { margin-bottom: 1rem; }
a { color: var(--orange); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--white); }

/* --- Layout --- */
.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}
.section { padding: 90px 0; }
.section-sm { padding: 60px 0; }

/* --- Skip Nav --- */
.skip-nav {
    position: absolute; top: -100%; left: 50%;
    transform: translateX(-50%);
    background: var(--orange); color: var(--white);
    padding: 8px 20px; border-radius: 0 0 var(--radius) var(--radius);
    z-index: 9999; font-weight: 600;
    transition: top 0.2s;
}
.skip-nav:focus { top: 0; }

/* =============================================
   TOP BAR
   ============================================= */
.topbar {
    background: var(--navy-mid);
    border-bottom: 1px solid var(--border);
    font-size: 0.82rem;
}
.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 40px;
    gap: 16px;
}
.topbar-contact {
    display: flex;
    gap: 20px;
    align-items: center;
}
.topbar-link {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--steel-dim);
    font-size: 0.8rem;
    transition: color var(--transition);
}
.topbar-link:hover { color: var(--orange); }
.topbar-link i { font-size: 0.9rem; }

.topbar-right { display: flex; align-items: center; gap: 12px; }
.lang-switch {
    display: flex;
    align-items: center;
    gap: 5px;
    background: var(--orange-glow);
    border: 1px solid rgba(232,89,26,0.35);
    color: var(--orange);
    padding: 3px 12px;
    border-radius: 2px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    transition: background var(--transition);
}
.lang-switch:hover { background: var(--orange); color: var(--white); }

/* =============================================
   HEADER / NAV
   ============================================= */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(13, 27, 42, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: box-shadow var(--transition), background var(--transition);
}
.site-header.scrolled {
    background: rgba(13, 27, 42, 0.99);
    box-shadow: 0 4px 30px rgba(0,0,0,0.4);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
    gap: 24px;
}
.logo img { height: 44px; width: auto; }

.main-nav {}
.nav-list {
    display: flex;
    list-style: none;
    gap: 4px;
    align-items: center;
}
.nav-link {
    display: block;
    padding: 6px 14px;
    color: var(--steel);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--radius);
    position: relative;
    transition: color var(--transition);
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0; left: 14px; right: 14px;
    height: 2px;
    background: var(--orange);
    transform: scaleX(0);
    transition: transform var(--transition);
}
.nav-link:hover,
.nav-link.active { color: var(--white); }
.nav-link.active::after,
.nav-link:hover::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: 12px; }

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--orange);
    color: var(--white);
    padding: 10px 22px;
    border-radius: var(--radius);
    font-family: var(--font);
    font-size: 0.88rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: background var(--transition), transform var(--transition);
    white-space: nowrap;
}
.btn-primary:hover {
    background: var(--orange-dark);
    color: var(--white);
    transform: translateY(-1px);
}
.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--white);
    padding: 10px 22px;
    border-radius: var(--radius);
    font-family: var(--font);
    font-size: 0.88rem;
    font-weight: 600;
    border: 1.5px solid var(--border-strong);
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition);
}
.btn-outline:hover {
    border-color: var(--orange);
    background: var(--orange-glow);
    color: var(--white);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}
.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--steel);
    transition: all 0.3s;
    border-radius: 2px;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =============================================
   HERO SECTION
   ============================================= */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--navy);
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 20% 50%, rgba(232,89,26,0.08) 0%, transparent 60%),
        radial-gradient(ellipse 60% 80% at 80% 20%, rgba(26,53,80,0.6) 0%, transparent 60%);
}

/* Diagonal grid accent */
.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(197,200,204,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(197,200,204,0.04) 1px, transparent 1px);
    background-size: 60px 60px;
}

/* Orange accent stripe */
.hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--orange) 30%, var(--orange) 70%, transparent);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 760px;
}
.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--orange);
    margin-bottom: 20px;
}
.hero-eyebrow::before {
    content: '';
    display: block;
    width: 32px; height: 2px;
    background: var(--orange);
}
.hero h1 {
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--white) 60%, var(--steel) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-desc {
    font-size: 1.05rem;
    color: var(--steel-dim);
    max-width: 560px;
    margin-bottom: 40px;
    line-height: 1.8;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* Hero stats bar */
.hero-stats {
    position: absolute;
    bottom: 0;
    left: 0; right: 0;
    background: rgba(17, 34, 54, 0.85);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--border);
    z-index: 2;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}
.stat-item {
    padding: 22px 24px;
    border-inline-end: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.stat-item:last-child { border-inline-end: none; }
.stat-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--orange);
    line-height: 1;
}
.stat-label {
    font-size: 0.78rem;
    color: var(--steel-dim);
}

/* =============================================
   SECTION HEADERS
   ============================================= */
.section-header {
    text-align: center;
    margin-bottom: 56px;
}
.section-eyebrow {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--orange);
    margin-bottom: 12px;
    position: relative;
    padding: 0 24px;
}
.section-eyebrow::before, .section-eyebrow::after {
    content: '';
    position: absolute;
    top: 50%; transform: translateY(-50%);
    width: 16px; height: 1px;
    background: var(--orange);
}
.section-eyebrow::before { right: 0; }
.section-eyebrow::after { left: 0; }

.section-title { margin-bottom: 16px; }
.section-desc { color: var(--steel-dim); max-width: 580px; margin: 0 auto; }

/* =============================================
   SERVICES GRID
   ============================================= */
.services-bg { background: var(--navy-mid); }

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.service-card {
    background: var(--navy);
    padding: 40px 32px;
    position: relative;
    transition: background var(--transition);
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--orange);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}
.service-card:hover { background: var(--navy-light); }
.service-card:hover::before { transform: scaleX(1); }

.service-icon {
    width: 52px; height: 52px;
    background: var(--orange-glow);
    border: 1px solid rgba(232,89,26,0.3);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--orange);
    flex-shrink: 0;
}
.service-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--white);
    margin: 0;
}
.service-desc {
    font-size: 0.88rem;
    color: var(--steel-dim);
    line-height: 1.75;
    flex: 1;
}
.service-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--orange);
    margin-top: auto;
}
.service-link i {
    transition: transform var(--transition);
}
.service-link:hover i { transform: translateX(4px); }
.lang-ar .service-link:hover i { transform: translateX(-4px); }

/* =============================================
   ABOUT SECTION
   ============================================= */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}
.about-image-wrap {
    position: relative;
}
.about-image-placeholder {
    width: 100%;
    aspect-ratio: 4/3;
    background: var(--navy-light);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--border-strong);
    overflow: hidden;
    position: relative;
}
.about-image-placeholder::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--orange-glow) 0%, transparent 70%);
}

/* Orange accent card */
.about-accent {
    position: absolute;
    bottom: -20px;
    inset-inline-start: -20px;
    background: var(--orange);
    color: var(--white);
    padding: 20px 24px;
    border-radius: var(--radius-lg);
    text-align: center;
    min-width: 140px;
    box-shadow: var(--shadow);
}
.about-accent-number { font-size: 2rem; font-weight: 700; line-height: 1; }
.about-accent-label { font-size: 0.78rem; margin-top: 4px; opacity: 0.9; }

.about-text { display: flex; flex-direction: column; gap: 20px; }
.about-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--orange);
}
.about-label::before {
    content: '';
    display: block;
    width: 28px; height: 2px;
    background: var(--orange);
}

.about-clients {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}
.client-tag {
    background: var(--navy-light);
    border: 1px solid var(--border);
    padding: 4px 12px;
    border-radius: 2px;
    font-size: 0.78rem;
    color: var(--steel-dim);
    font-weight: 500;
}

/* Experience flags */
.experience-flags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}
.flag-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    color: var(--steel);
}
.flag-item i { color: var(--orange); font-size: 0.9rem; }

/* =============================================
   WHY REKZAN SECTION
   ============================================= */
.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}
.why-card {
    background: var(--navy-light);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: border-color var(--transition), transform var(--transition);
}
.why-card:hover {
    border-color: var(--orange);
    transform: translateY(-3px);
}
.why-icon { font-size: 1.8rem; color: var(--orange); }
.why-title { font-size: 1rem; font-weight: 600; color: var(--white); }
.why-desc { font-size: 0.85rem; color: var(--steel-dim); line-height: 1.7; }

/* =============================================
   STANDARDS SECTION
   ============================================= */
.standards-section { background: var(--navy-mid); }
.standards-row {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px;
}
.std-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--navy);
    border: 1px solid var(--border-strong);
    padding: 12px 20px;
    border-radius: var(--radius);
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--white);
    transition: border-color var(--transition);
}
.std-badge i { color: var(--orange); font-size: 1.1rem; }
.std-badge:hover { border-color: var(--orange); }

/* =============================================
   CTA BANNER
   ============================================= */
.cta-banner {
    background:
        linear-gradient(135deg, var(--orange) 0%, var(--orange-dark) 100%);
    position: relative;
    overflow: hidden;
}
.cta-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 40px 40px;
}
.cta-inner {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
    padding: 56px 0;
}
.cta-text h2 { color: var(--white); margin-bottom: 8px; }
.cta-text p { color: rgba(255,255,255,0.82); margin: 0; }
.cta-banner .btn-primary {
    background: var(--white);
    color: var(--orange);
}
.cta-banner .btn-primary:hover {
    background: var(--navy);
    color: var(--white);
}

/* =============================================
   CONTACT PAGE
   ============================================= */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 48px;
    align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.info-card {
    background: var(--navy-light);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
}
.info-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    color: var(--white);
    font-weight: 600;
}
.info-card-header i { font-size: 1.2rem; color: var(--orange); }
.info-card p, .info-card a { font-size: 0.9rem; color: var(--steel-dim); }
.info-card a:hover { color: var(--orange); }

/* Contact Form */
.contact-form-wrap {
    background: var(--navy-light);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px;
}
.form-title { font-size: 1.3rem; margin-bottom: 28px; color: var(--white); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--steel);
    margin-bottom: 8px;
}
.form-group label .required { color: var(--orange); margin-inline-start: 2px; }
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    background: var(--navy);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    padding: 10px 14px;
    font-family: var(--font);
    font-size: 0.9rem;
    color: var(--white);
    transition: border-color var(--transition);
    outline: none;
    -webkit-appearance: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--orange);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--steel-dim); }
.form-group textarea { min-height: 130px; resize: vertical; }

.form-alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: 0.88rem;
    margin-bottom: 18px;
    display: none;
}
.form-alert.success {
    background: rgba(34,197,94,0.12);
    border: 1px solid rgba(34,197,94,0.3);
    color: #4ade80;
    display: block;
}
.form-alert.error {
    background: rgba(239,68,68,0.12);
    border: 1px solid rgba(239,68,68,0.3);
    color: #f87171;
    display: block;
}

/* =============================================
   PAGE HERO (inner pages)
   ============================================= */
.page-hero {
    background: var(--navy-mid);
    border-bottom: 1px solid var(--border);
    padding: 60px 0 50px;
    position: relative;
    overflow: hidden;
}
.page-hero::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--orange) 30%, var(--orange) 70%, transparent);
}
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--steel-dim);
    margin-bottom: 16px;
    list-style: none;
}
.breadcrumb li + li::before {
    content: '/';
    margin-inline-end: 8px;
    color: var(--border-strong);
}
.lang-ar .breadcrumb li + li::before { content: '\\'; }
.breadcrumb a { color: var(--steel-dim); }
.breadcrumb a:hover, .breadcrumb .current { color: var(--orange); }

/* =============================================
   SERVICES DETAIL PAGE
   ============================================= */
.service-detail {
    padding: 64px 0;
    border-bottom: 1px solid var(--border);
}
.service-detail:last-child { border-bottom: none; }
.service-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: start;
}
.service-detail-grid.reverse {
    direction: ltr;
}
.lang-ar .service-detail-grid.reverse {
    direction: rtl;
}
.service-scope h4 {
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--orange);
    margin-bottom: 16px;
}
.scope-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.scope-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.88rem;
    color: var(--steel);
}
.scope-list li i { color: var(--orange); font-size: 0.9rem; margin-top: 3px; flex-shrink: 0; }

.service-visual {
    background: var(--navy-light);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: var(--border-strong);
    position: relative;
    overflow: hidden;
}
.service-visual::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--orange-glow) 0%, transparent 60%);
}

/* =============================================
   PROJECTS PAGE
   ============================================= */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
}
.project-card {
    background: var(--navy-light);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color var(--transition), transform var(--transition);
}
.project-card:hover {
    border-color: var(--orange);
    transform: translateY(-4px);
}
.project-thumb {
    width: 100%;
    aspect-ratio: 16/9;
    background: var(--navy-mid);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--border-strong);
    position: relative;
    overflow: hidden;
}
.project-thumb::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(13,27,42,0.8) 0%, transparent 60%);
}
.project-body { padding: 24px; }
.project-category {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--orange);
    margin-bottom: 10px;
}
.project-title { font-size: 1.05rem; color: var(--white); margin-bottom: 8px; }
.project-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.8rem;
    color: var(--steel-dim);
}
.project-meta span { display: flex; align-items: center; gap: 5px; }
.project-meta i { color: var(--orange); }

/* =============================================
   FOOTER
   ============================================= */
.site-footer {
    background: var(--navy-mid);
    border-top: 1px solid var(--border);
    margin-top: auto;
}
.footer-top { padding: 64px 0; }
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.4fr;
    gap: 40px;
}
.footer-logo img { height: 40px; margin-bottom: 16px; }
.footer-tagline { font-size: 0.85rem; color: var(--steel-dim); line-height: 1.7; margin-bottom: 20px; }
.footer-standards { display: flex; flex-wrap: wrap; gap: 8px; }
.standard-badge {
    background: var(--navy);
    border: 1px solid var(--border);
    padding: 3px 10px;
    border-radius: 2px;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--steel-dim);
    letter-spacing: 0.05em;
}

.footer-heading {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--orange);
    margin-bottom: 20px;
}
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 0.88rem; color: var(--steel-dim); transition: color var(--transition); }
.footer-links a:hover { color: var(--white); padding-inline-start: 4px; }

.footer-address { font-style: normal; display: flex; flex-direction: column; gap: 12px; }
.footer-contact-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-contact-list li { display: flex; align-items: flex-start; gap: 8px; font-size: 0.85rem; color: var(--steel-dim); }
.footer-contact-list li i { color: var(--orange); font-size: 1rem; flex-shrink: 0; margin-top: 2px; }
.footer-contact-list li a { color: var(--steel-dim); }
.footer-contact-list li a:hover { color: var(--orange); }
.contact-item { display: flex; align-items: flex-start; gap: 10px; font-size: 0.85rem; color: var(--steel-dim); }
.contact-item i { color: var(--orange); font-size: 1rem; flex-shrink: 0; margin-top: 2px; }
.contact-item a { color: var(--steel-dim); }
.contact-item a:hover { color: var(--orange); }

.footer-bottom {
    border-top: 1px solid var(--border);
    padding: 18px 0;
    text-align: center;
}
.footer-bottom-logo { display: none; }
.footer-bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}
.copyright { font-size: 0.8rem; color: var(--steel-dim); }
.footer-bottom-links a {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 0.8rem; color: var(--steel-dim);
}
.footer-bottom-links a:hover { color: var(--orange); }

/* =============================================
   ANIMATIONS
   ============================================= */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}
.anim-fade-up {
    opacity: 0;
    animation: fadeUp 0.6s ease forwards;
}
.anim-delay-1 { animation-delay: 0.1s; }
.anim-delay-2 { animation-delay: 0.2s; }
.anim-delay-3 { animation-delay: 0.3s; }
.anim-delay-4 { animation-delay: 0.4s; }

/* =============================================
   RESPONSIVE
   ============================================= */

/* ── Tablet landscape: 1024px ── */
@media (max-width: 1024px) {
    .container { padding: 0 20px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .about-grid { gap: 40px; }
    .contact-grid { grid-template-columns: 1fr; gap: 32px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .service-detail-grid { gap: 40px; }
    .projects-grid { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
}

/* ── Tablet portrait: 768px ── */
@media (max-width: 768px) {
    .container { padding: 0 16px; }
    .section { padding: 56px 0; }
    .section-sm { padding: 40px 0; }
    .section-header { margin-bottom: 36px; }

    /* Topbar */
    .topbar-contact { gap: 10px; }
    .topbar-link span { display: none; }   /* icons only on mobile */

    /* Header / Nav */
    .hamburger { display: flex; }
    .site-header { backdrop-filter: none; -webkit-backdrop-filter: none; }
    .main-nav {
        position: fixed;
        top: 108px; left: 0; right: 0; bottom: 0;
        background: rgba(13,27,42,0.98);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        flex-direction: column;
        padding: 28px 20px;
        transform: translateX(-100%);
        transition: transform 0.35s ease;
        overflow-y: auto;
        z-index: 99;
    }
    .lang-ar .main-nav { transform: translateX(100%); }
    .main-nav.open { transform: translateX(0); }
    .site-header.scrolled .main-nav { top: 68px; }
    .nav-list { flex-direction: column; gap: 0; }
    .nav-link { padding: 13px 0; font-size: 1.05rem; border-bottom: 1px solid var(--border); border-radius: 0; }
    .nav-link::after { display: none; }
    .header-cta { display: none; }

    /* Hero */
    .hero { min-height: 80vh; }
    .hero-content { max-width: 100%; }
    .hero-desc { font-size: 0.95rem; }
    .hero-stats { position: static; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stat-item { padding: 16px; }
    .stat-number { font-size: 1.5rem; }

    /* Layouts */
    .about-grid { grid-template-columns: 1fr; gap: 32px; }
    .about-accent { display: none; }
    .service-detail-grid { grid-template-columns: 1fr; gap: 28px; }
    .service-detail-grid.reverse { direction: inherit; }
    .service-visual { aspect-ratio: 16/9; font-size: 3rem; }
    .contact-grid { grid-template-columns: 1fr; gap: 24px; }
    .contact-form-wrap { padding: 24px 20px; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .footer-top { padding: 44px 0; }
    .footer-col { text-align: center; }
    .footer-brand { display: none; }
    .footer-standards { justify-content: center; }
    .footer-links { align-items: center; }
    .footer-contact-list { align-items: center; }
    .footer-contact-list li { justify-content: center; }
    .footer-bottom { display: flex; flex-direction: column; align-items: center; gap: 12px; }
    .footer-bottom-logo { display: block; }

    /* CTA */
    .cta-inner { flex-direction: column; text-align: center; gap: 24px; padding: 40px 0; }

    /* Page hero */
    .page-hero { padding: 40px 0 32px; }

    /* Services grid */
    .services-grid { grid-template-columns: 1fr; }
    .service-card { padding: 28px 20px; }

    /* Projects */
    .projects-grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
    .standards-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
    .std-badge { justify-content: center; font-size: 0.78rem; padding: 10px 12px; gap: 6px; text-align: center; }
    .std-badge:last-child { grid-column: 1 / -1; }
}

/* ── Mobile: 480px ── */
@media (max-width: 480px) {
    .container { padding: 0 14px; }
    .section { padding: 44px 0; }
    .section-header { margin-bottom: 28px; }

    /* Topbar hide on very small */
    .topbar { display: none; }
    .main-nav { top: 68px; }  /* no topbar */

    /* Hero */
    .hero { min-height: 70vh; }
    .hero-actions { flex-direction: column; width: 100%; }
    .hero-actions .btn-primary,
    .hero-actions .btn-outline { width: 100%; justify-content: center; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .stat-item { padding: 14px 12px; }

    /* Typography scale down */
    h1 { font-size: clamp(1.6rem, 7vw, 2.2rem); }
    h2 { font-size: clamp(1.3rem, 5vw, 1.8rem); }
    h3 { font-size: clamp(1.1rem, 4vw, 1.4rem); }

    /* Cards */
    .why-grid { grid-template-columns: 1fr; }
    .projects-grid { grid-template-columns: 1fr; }
    .service-card { padding: 22px 16px; }
    .contact-form-wrap { padding: 18px 14px; }

    /* Footer */
    .footer-bottom-inner { flex-direction: column; text-align: center; gap: 8px; }

    /* Nav */
    .nav-link { font-size: 1rem; padding: 12px 0; }
}