/* ===== OSN IT - Main Stylesheet ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --blue-900: #042C53;
    --blue-800: #0C447C;
    --blue-700: #185FA5;
    --blue-600: #1B6FC2;
    --blue-500: #2283E2;
    --blue-400: #378ADD;
    --blue-300: #85B7EB;
    --blue-200: #B5D4F4;
    --blue-100: #D6E9FA;
    --blue-50:  #EBF4FD;
    --white: #ffffff;
    --gray-50: #f8f9fa;
    --gray-100: #eef0f3;
    --gray-200: #dee2e8;
    --gray-400: #8a94a6;
    --gray-600: #4b5568;
    --gray-800: #1a202c;
    --accent: #0ea5e9;
    --accent-gold: #f0a500;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;
    --shadow-sm: 0 2px 8px rgba(4,44,83,.08);
    --shadow-md: 0 8px 30px rgba(4,44,83,.12);
    --shadow-lg: 0 20px 60px rgba(4,44,83,.16);
    --font-main: 'Cairo', sans-serif;
    --font-alt: 'Tajawal', sans-serif;
    --transition: all .3s cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-main); color: var(--gray-800); background: var(--white); line-height: 1.7; overflow-x: hidden; }

/* ===== Preloader ===== */
#preloader {
    position: fixed; inset: 0; background: var(--blue-900);
    display: flex; align-items: center; justify-content: center;
    z-index: 9999; transition: opacity .5s ease, visibility .5s;
}
#preloader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-inner { text-align: center; }
.logo-loader { font-family: var(--font-main); font-weight: 900; font-size: 3rem; color: var(--white); letter-spacing: 4px; margin-bottom: 1.5rem; animation: pulse 1.2s ease-in-out infinite; }
.loader-bar { width: 200px; height: 3px; background: rgba(255,255,255,.2); border-radius: 99px; overflow: hidden; margin: 0 auto; }
.loader-bar span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--accent), var(--blue-300)); animation: loadBar 1.5s ease forwards; border-radius: 99px; }
@keyframes loadBar { to { width: 100%; } }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .5; } }

/* ===== Container ===== */
.container { max-width: 1240px; margin: 0 auto; padding: 0 1.5rem; }

/* ===== Header ===== */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: .9rem 0; transition: var(--transition); }
.site-header.scrolled { background: rgba(4,44,83,.97); backdrop-filter: blur(12px); box-shadow: var(--shadow-md); padding: .6rem 0; }
.header-inner { display: flex; align-items: center; gap: 2rem; }
.logo { display: flex; align-items: center; gap: .6rem; text-decoration: none; flex-shrink: 0; }
.logo-icon { font-size: 1.6rem; color: var(--accent); line-height: 1; }
.logo-text { font-family: var(--font-main); font-weight: 900; font-size: 1.4rem; color: var(--white); letter-spacing: 1px; }
.logo-text em { font-style: normal; color: var(--accent); font-size: .9em; }
.main-nav { display: flex; align-items: center; gap: .25rem; margin-right: auto; }
.main-nav a { font-family: var(--font-main); font-weight: 600; font-size: .93rem; color: rgba(255,255,255,.85); text-decoration: none; padding: .45rem .85rem; border-radius: var(--radius-sm); transition: var(--transition); }
.main-nav a:hover, .main-nav a.active { color: var(--white); background: rgba(255,255,255,.12); }
.main-nav a.active { color: var(--accent); background: rgba(14,165,233,.15); }
.btn-primary { display: inline-flex; align-items: center; gap: .5rem; background: var(--accent); color: var(--white); font-family: var(--font-main); font-weight: 700; font-size: .9rem; padding: .6rem 1.4rem; border-radius: var(--radius-xl); text-decoration: none; border: 2px solid var(--accent); transition: var(--transition); white-space: nowrap; cursor: pointer; }
.btn-primary:hover { background: transparent; color: var(--accent); }
.btn-outline { display: inline-flex; align-items: center; gap: .5rem; background: transparent; color: var(--blue-700); font-family: var(--font-main); font-weight: 700; font-size: .9rem; padding: .6rem 1.4rem; border-radius: var(--radius-xl); text-decoration: none; border: 2px solid var(--blue-700); transition: var(--transition); cursor: pointer; }
.btn-outline:hover { background: var(--blue-700); color: var(--white); }
.btn-outline.white { color: var(--white); border-color: var(--white); }
.btn-outline.white:hover { background: var(--white); color: var(--blue-700); }
.menu-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: .4rem; }
.menu-toggle span { width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: var(--transition); display: block; }

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh; display: flex; align-items: center;
    background: var(--blue-900);
    position: relative; overflow: hidden; padding: 6rem 0 4rem;
}
.hero-bg { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.hero-circle { position: absolute; border-radius: 50%; }
.hero-circle-1 { width: 600px; height: 600px; background: radial-gradient(circle, rgba(14,165,233,.18) 0%, transparent 70%); top: -150px; left: -100px; animation: float1 8s ease-in-out infinite; }
.hero-circle-2 { width: 400px; height: 400px; background: radial-gradient(circle, rgba(24,95,165,.25) 0%, transparent 70%); bottom: -100px; right: 10%; animation: float2 10s ease-in-out infinite; }
.hero-grid-lines { position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px); background-size: 60px 60px; }
@keyframes float1 { 0%,100% { transform: translate(0,0); } 50% { transform: translate(30px,-30px); } }
@keyframes float2 { 0%,100% { transform: translate(0,0); } 50% { transform: translate(-20px,20px); } }
.hero-content { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.hero-badge { display: inline-flex; align-items: center; gap: .5rem; background: rgba(14,165,233,.15); border: 1px solid rgba(14,165,233,.3); color: var(--blue-300); font-size: .85rem; font-weight: 600; padding: .4rem 1rem; border-radius: var(--radius-xl); margin-bottom: 1.5rem; }
.hero-badge i { color: var(--accent); }
.hero h1 { font-size: clamp(2.2rem, 4vw, 3.4rem); font-weight: 900; color: var(--white); line-height: 1.2; margin-bottom: 1.2rem; }
.hero h1 span { color: var(--accent); position: relative; }
.hero p { font-size: 1.1rem; color: rgba(255,255,255,.72); max-width: 500px; margin-bottom: 2rem; }
.hero-btns { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 2rem; margin-top: 3rem; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,.1); }
.stat-item { text-align: center; }
.stat-num { font-size: 2rem; font-weight: 900; color: var(--white); display: block; }
.stat-num span { color: var(--accent); }
.stat-label { font-size: .8rem; color: rgba(255,255,255,.55); font-weight: 600; letter-spacing: .5px; }
.hero-visual { position: relative; display: flex; align-items: center; justify-content: center; }
.hero-card-stack { position: relative; width: 380px; height: 400px; }
.hero-card { position: absolute; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); border-radius: var(--radius-lg); padding: 1.5rem; backdrop-filter: blur(10px); }
.hero-card-main { width: 300px; top: 50%; right: 0; transform: translateY(-50%); background: rgba(255,255,255,.08); }
.hero-card-sm1 { width: 200px; top: 0; left: 0; animation: cardFloat1 5s ease-in-out infinite; }
.hero-card-sm2 { width: 180px; bottom: 0; left: 30px; animation: cardFloat2 6s ease-in-out infinite; }
@keyframes cardFloat1 { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
@keyframes cardFloat2 { 0%,100% { transform: translateY(0); } 50% { transform: translateY(10px); } }
.card-icon { width: 48px; height: 48px; background: linear-gradient(135deg, var(--accent), var(--blue-600)); border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 1.3rem; color: var(--white); margin-bottom: 1rem; }
.card-title { font-weight: 700; color: var(--white); font-size: .95rem; margin-bottom: .3rem; }
.card-sub { font-size: .78rem; color: rgba(255,255,255,.5); }
.card-chart { display: flex; align-items: flex-end; gap: 4px; height: 50px; margin-top: 1rem; }
.bar { width: 18px; border-radius: 4px 4px 0 0; background: linear-gradient(to top, var(--blue-600), var(--accent)); animation: barGrow 1.5s ease backwards; }
@keyframes barGrow { from { height: 0; } }

/* ===== Section Base ===== */
.section { padding: 5rem 0; }
.section-alt { background: var(--gray-50); }
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-tag { display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--blue-700); background: var(--blue-50); padding: .4rem 1rem; border-radius: var(--radius-xl); margin-bottom: 1rem; }
.section-header h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 900; color: var(--blue-900); margin-bottom: 1rem; }
.section-header p { font-size: 1.05rem; color: var(--gray-600); max-width: 580px; margin: 0 auto; }

/* ===== Services Cards ===== */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }
.service-card { background: var(--white); border: 1px solid var(--gray-100); border-radius: var(--radius-lg); padding: 2rem; transition: var(--transition); position: relative; overflow: hidden; }
.service-card::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, var(--blue-50) 0%, transparent 60%); opacity: 0; transition: var(--transition); }
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--blue-200); }
.service-card:hover::before { opacity: 1; }
.service-icon { width: 60px; height: 60px; background: linear-gradient(135deg, var(--blue-700), var(--accent)); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; color: var(--white); margin-bottom: 1.2rem; transition: var(--transition); position: relative; }
.service-card:hover .service-icon { transform: scale(1.1) rotate(5deg); }
.service-card h3 { font-size: 1.15rem; font-weight: 700; color: var(--blue-900); margin-bottom: .6rem; }
.service-card p { font-size: .9rem; color: var(--gray-600); line-height: 1.7; }

/* ===== Portfolio Grid ===== */
.portfolio-filters { display: flex; justify-content: center; gap: .75rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
.filter-btn { background: var(--white); border: 1.5px solid var(--gray-200); color: var(--gray-600); font-family: var(--font-main); font-weight: 600; font-size: .88rem; padding: .45rem 1.2rem; border-radius: var(--radius-xl); cursor: pointer; transition: var(--transition); }
.filter-btn.active, .filter-btn:hover { background: var(--blue-700); border-color: var(--blue-700); color: var(--white); }
.portfolio-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1.5rem; }
.portfolio-item { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); transition: var(--transition); }
.portfolio-item:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.portfolio-thumb { height: 220px; position: relative; overflow: hidden; }
.portfolio-thumb-bg { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; font-size: 3.5rem; }
.portfolio-overlay { position: absolute; inset: 0; background: rgba(4,44,83,.85); display: flex; align-items: center; justify-content: center; gap: 1rem; opacity: 0; transition: var(--transition); }
.portfolio-item:hover .portfolio-overlay { opacity: 1; }
.overlay-btn { width: 44px; height: 44px; background: var(--white); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--blue-700); font-size: 1rem; text-decoration: none; transition: var(--transition); }
.overlay-btn:hover { background: var(--accent); color: var(--white); }
.portfolio-info { background: var(--white); padding: 1.2rem 1.5rem; }
.portfolio-tag { font-size: .75rem; font-weight: 700; letter-spacing: 1px; color: var(--blue-600); text-transform: uppercase; display: block; margin-bottom: .4rem; }
.portfolio-info h3 { font-size: 1rem; font-weight: 700; color: var(--blue-900); }

/* ===== About Page ===== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.about-img-wrap { position: relative; }
.about-img-box { width: 100%; padding-top: 110%; background: linear-gradient(135deg, var(--blue-800), var(--blue-600)); border-radius: var(--radius-xl); overflow: hidden; position: relative; display: flex; align-items: center; justify-content: center; font-size: 8rem; }
.about-badge { position: absolute; bottom: -20px; right: -20px; background: var(--white); border-radius: var(--radius-md); padding: 1.2rem 1.5rem; box-shadow: var(--shadow-lg); text-align: center; }
.about-badge .num { font-size: 2rem; font-weight: 900; color: var(--blue-700); display: block; }
.about-badge .lbl { font-size: .8rem; color: var(--gray-600); font-weight: 600; }
.values-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 2rem; }
.value-item { display: flex; gap: .8rem; align-items: flex-start; }
.value-icon { width: 36px; height: 36px; background: var(--blue-50); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: var(--blue-700); font-size: .9rem; flex-shrink: 0; }
.value-item h4 { font-size: .9rem; font-weight: 700; color: var(--blue-900); }
.value-item p { font-size: .82rem; color: var(--gray-600); }
.team-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1.5rem; }
.team-card { background: var(--white); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); transition: var(--transition); text-align: center; }
.team-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.team-avatar { height: 180px; display: flex; align-items: center; justify-content: center; font-size: 4rem; }
.team-card h3 { font-size: 1rem; font-weight: 700; color: var(--blue-900); margin-bottom: .2rem; padding: 0 1rem; }
.team-card p { font-size: .82rem; color: var(--blue-600); font-weight: 600; padding: 0 1rem 1rem; }

/* ===== Contact Page ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: 3rem; }
.contact-info-card { background: var(--blue-900); border-radius: var(--radius-lg); padding: 2.5rem; color: var(--white); }
.contact-info-card h3 { font-size: 1.5rem; font-weight: 800; margin-bottom: 1rem; }
.contact-info-card > p { color: rgba(255,255,255,.65); margin-bottom: 2rem; font-size: .95rem; }
.contact-detail { display: flex; gap: 1rem; align-items: flex-start; margin-bottom: 1.5rem; }
.cd-icon { width: 44px; height: 44px; background: rgba(255,255,255,.1); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1rem; color: var(--accent); flex-shrink: 0; }
.cd-text strong { display: block; font-size: .82rem; color: rgba(255,255,255,.5); font-weight: 600; letter-spacing: .5px; margin-bottom: .2rem; text-transform: uppercase; }
.cd-text a, .cd-text span { color: var(--white); text-decoration: none; font-weight: 600; font-size: .95rem; }
.contact-form-card { background: var(--white); border-radius: var(--radius-lg); padding: 2.5rem; box-shadow: var(--shadow-md); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.form-group { display: flex; flex-direction: column; gap: .4rem; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-size: .85rem; font-weight: 700; color: var(--blue-900); }
.form-group input, .form-group select, .form-group textarea {
    font-family: var(--font-main); font-size: .92rem; color: var(--gray-800);
    background: var(--gray-50); border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-md); padding: .75rem 1rem; outline: none;
    transition: var(--transition); width: 100%;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--blue-500); background: var(--white); box-shadow: 0 0 0 3px rgba(14,165,233,.1); }
.form-group textarea { resize: vertical; min-height: 130px; }
.submit-btn { width: 100%; margin-top: .5rem; padding: .9rem; font-size: 1rem; font-weight: 700; border: none; }

/* ===== Page Hero ===== */
.page-hero { background: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-700) 100%); padding: 8rem 0 4rem; text-align: center; position: relative; overflow: hidden; }
.page-hero::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px); background-size: 50px 50px; }
.page-hero-content { position: relative; z-index: 2; }
.page-hero h1 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 900; color: var(--white); margin-bottom: .8rem; }
.page-hero p { font-size: 1.1rem; color: rgba(255,255,255,.7); max-width: 520px; margin: 0 auto; }
.breadcrumb { display: flex; justify-content: center; gap: .5rem; align-items: center; margin-bottom: 1rem; font-size: .85rem; color: rgba(255,255,255,.5); }
.breadcrumb a { color: rgba(255,255,255,.7); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent); }

/* ===== CTA Section ===== */
.cta-section { background: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-700) 100%); padding: 5rem 0; text-align: center; position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px); background-size: 50px 50px; }
.cta-section h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); font-weight: 900; color: var(--white); margin-bottom: 1rem; position: relative; }
.cta-section p { color: rgba(255,255,255,.7); font-size: 1.1rem; margin-bottom: 2rem; position: relative; }
.cta-btns { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; position: relative; }

/* ===== Testimonials ===== */
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.5rem; }
.testimonial-card { background: var(--white); border: 1px solid var(--gray-100); border-radius: var(--radius-lg); padding: 2rem; transition: var(--transition); }
.testimonial-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.stars { color: var(--accent-gold); font-size: .9rem; margin-bottom: 1rem; letter-spacing: 2px; }
.testimonial-card p { font-size: .93rem; color: var(--gray-600); font-style: italic; margin-bottom: 1.2rem; line-height: 1.8; }
.author { display: flex; align-items: center; gap: .8rem; }
.author-avatar { width: 44px; height: 44px; border-radius: 50%; background: linear-gradient(135deg, var(--blue-600), var(--accent)); display: flex; align-items: center; justify-content: center; font-weight: 700; color: var(--white); font-size: .9rem; }
.author-name { font-weight: 700; font-size: .9rem; color: var(--blue-900); }
.author-title { font-size: .78rem; color: var(--gray-400); }

/* ===== Footer ===== */
.site-footer { background: var(--blue-900); color: var(--white); }
.footer-top { padding: 4rem 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 3rem; }
.footer-logo { font-size: 1.5rem; font-weight: 900; margin-bottom: 1rem; color: var(--white); }
.footer-logo em { font-style: normal; color: var(--accent); }
.footer-brand p { font-size: .88rem; color: rgba(255,255,255,.55); max-width: 280px; margin-bottom: 1.5rem; line-height: 1.8; }
.social-links { display: flex; gap: .6rem; }
.social-links a { width: 38px; height: 38px; background: rgba(255,255,255,.08); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.6); font-size: .85rem; text-decoration: none; transition: var(--transition); }
.social-links a:hover { background: var(--accent); color: var(--white); }
.footer-links h4, .footer-services h4, .footer-contact h4 { font-size: .95rem; font-weight: 700; margin-bottom: 1.2rem; color: var(--white); }
.footer-links ul, .footer-services ul, .contact-info { list-style: none; }
.footer-links li, .footer-services li { margin-bottom: .6rem; }
.footer-links a, .footer-services a { color: rgba(255,255,255,.55); text-decoration: none; font-size: .88rem; transition: var(--transition); display: flex; align-items: center; gap: .4rem; }
.footer-links a:hover, .footer-services a:hover { color: var(--accent); }
.footer-links i, .footer-services i { font-size: .6rem; }
.contact-info li { display: flex; align-items: flex-start; gap: .7rem; color: rgba(255,255,255,.55); font-size: .88rem; margin-bottom: .8rem; }
.contact-info i { color: var(--accent); margin-top: 3px; width: 14px; flex-shrink: 0; }
.contact-info a { color: rgba(255,255,255,.55); text-decoration: none; transition: var(--transition); }
.contact-info a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 1.5rem 0; }
.footer-bottom .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: .5rem; }
.footer-bottom p { font-size: .82rem; color: rgba(255,255,255,.4); }

/* ===== Back to Top ===== */
.back-to-top { position: fixed; bottom: 2rem; left: 2rem; width: 44px; height: 44px; background: var(--blue-700); color: var(--white); border: none; border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: var(--transition); opacity: 0; visibility: hidden; z-index: 999; box-shadow: var(--shadow-md); }
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { background: var(--accent); transform: translateY(-3px); }

/* ===== Page-specific: Clients Bar ===== */
.clients-bar { padding: 2.5rem 0; border-top: 1px solid var(--gray-100); border-bottom: 1px solid var(--gray-100); }
.clients-inner { display: flex; align-items: center; gap: 3rem; overflow: hidden; }
.clients-label { font-size: .8rem; font-weight: 700; color: var(--gray-400); letter-spacing: 1px; text-transform: uppercase; white-space: nowrap; }
.clients-track { display: flex; gap: 3rem; align-items: center; animation: slide 20s linear infinite; }
.clients-track span { font-size: .95rem; font-weight: 700; color: var(--gray-400); white-space: nowrap; transition: var(--transition); }
.clients-track span:hover { color: var(--blue-700); }
@keyframes slide { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* ===== Responsive ===== */
@media (max-width: 992px) {
    .hero-content { grid-template-columns: 1fr; text-align: center; }
    .hero-visual { display: none; }
    .hero p { max-width: 100%; }
    .hero-btns { justify-content: center; }
    .hero-stats { justify-content: center; }
    .about-grid { grid-template-columns: 1fr; }
    .about-img-wrap { max-width: 400px; margin: 0 auto; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .main-nav { position: fixed; top: 0; right: 0; bottom: 0; width: 280px; background: var(--blue-900); flex-direction: column; align-items: flex-start; padding: 5rem 1.5rem 2rem; gap: .5rem; transform: translateX(100%); transition: transform .3s ease; box-shadow: -4px 0 30px rgba(0,0,0,.3); z-index: 99; }
    .main-nav.open { transform: translateX(0); }
    .main-nav a { width: 100%; padding: .75rem 1rem; border-radius: var(--radius-md); }
    .header-cta { display: none; }
    .menu-toggle { display: flex; z-index: 100; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .form-grid { grid-template-columns: 1fr; }
    .values-grid { grid-template-columns: 1fr; }
    .hero-stats { gap: 1.5rem; }
}