/* =============================================
   Q Computations LLC — Modern Corporate Theme
   ============================================= */

:root {
    --primary: #4F46E5;
    --primary-light: #818CF8;
    --primary-dark: #3730A3;
    --accent: #06B6D4;
    --accent-light: #22D3EE;
    --bg: #0F172A;
    --bg-light: #1E293B;
    --surface: #111827;
    --surface-hover: #1F2937;
    --text: #F1F5F9;
    --text-light: #94A3B8;
    --border: rgba(148, 163, 184, 0.12);
    --radius: 14px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 24px rgba(0,0,0,0.4);
    --shadow-lg: 0 12px 48px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 40px rgba(79, 70, 229, 0.15);
    --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

* { box-sizing: border-box; margin:0; padding:0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

.container { width: 92%; margin: 0 auto; max-width: 1200px; }

/* Scroll reveal */
.reveal { opacity:0; transform:translateY(40px); transition:opacity .8s ease, transform .8s ease; }
.reveal.active { opacity:1; transform:translateY(0); }
.d1 { transition-delay:.1s; } .d2 { transition-delay:.2s; } .d3 { transition-delay:.3s; }
.d4 { transition-delay:.4s; } .d5 { transition-delay:.5s; } .d6 { transition-delay:.6s; }

/* Header */
header {
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(20px);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
    position: fixed; top:0; left:0; right:0; z-index:1000;
    transition: var(--transition);
}
header.scrolled { background: rgba(15, 23, 42, 0.95); padding: .7rem 0; }
header .container { display:flex; justify-content:space-between; align-items:center; }

.logo {
    font-size:1.35rem; font-weight:800; color:var(--text);
    text-decoration:none; display:flex; align-items:center; gap:10px; letter-spacing:-.5px;
    transition: var(--transition);
}
.logo span { background: linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.logo:hover { transform:scale(1.02); }

.menu-toggle { display:none; background:none; border:none; cursor:pointer; padding:8px; }
.menu-toggle span { display:block; width:24px; height:2.5px; background:var(--text); margin:5px 0; border-radius:2px; transition:var(--transition); }
.menu-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px);}
.menu-toggle.active span:nth-child(2){opacity:0;}
.menu-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px);}

nav ul { margin:0; padding:0; list-style:none; display:flex; gap:32px; align-items:center; }
nav a { text-decoration:none; color:var(--text-light); font-weight:500; font-size:.92rem; transition:var(--transition); position:relative; }
nav a::after { content:''; position:absolute; bottom:-4px; left:0; width:0; height:2px; background:linear-gradient(90deg,var(--primary),var(--accent)); border-radius:2px; transition:width .3s ease; }
nav a:hover, nav a.active { color:var(--text); }
nav a:hover::after, nav a.active::after { width:100%; }

.nav-cta {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color:#fff !important; padding:10px 22px; border-radius:var(--radius);
    font-weight:700; box-shadow:0 4px 14px rgba(79,70,229,.3);
}
.nav-cta::after { display:none !important; }
.nav-cta:hover { transform:translateY(-2px); box-shadow:0 6px 20px rgba(79,70,229,.4); }

/* Hero */
.hero {
    background: linear-gradient(135deg, #0B1120 0%, #111827 40%, #0F172A 100%);
    color:#fff; text-align:center; padding:180px 0 120px; position:relative; overflow:hidden;
    min-height:100vh; display:flex; align-items:center;
}
.hero::before {
    content:''; position:absolute; inset:0;
    background-image: radial-gradient(circle at 20% 30%, rgba(79,70,229,.12) 0%, transparent 50%),
                      radial-gradient(circle at 80% 70%, rgba(6,182,212,.08) 0%, transparent 50%);
}
.hero .shape { position:absolute; border-radius:50%; filter:blur(80px); opacity:.25; animation:float 20s ease-in-out infinite; }
.hero .shape-1 { width:500px; height:500px; background:var(--primary); top:-10%; right:-5%; }
.hero .shape-2 { width:400px; height:400px; background:var(--accent); bottom:-10%; left:-10%; animation-delay:-7s; }
@keyframes float { 0%,100%{transform:translate(0,0) scale(1);} 33%{transform:translate(30px,-30px) scale(1.05);} 66%{transform:translate(-20px,20px) scale(.95);} }

.hero-content { position:relative; z-index:2; max-width:800px; margin:0 auto; }

.hero-badge {
    display:inline-flex; align-items:center; gap:8px;
    background:rgba(79,70,229,.15); backdrop-filter:blur(10px); border:1px solid rgba(79,70,229,.3);
    padding:8px 20px; border-radius:50px; font-size:.85rem; font-weight:600; margin-bottom:28px;
    animation:pulse-glow 3s ease-in-out infinite;
}
@keyframes pulse-glow { 0%,100%{box-shadow:0 0 20px rgba(79,70,229,.2);} 50%{box-shadow:0 0 40px rgba(79,70,229,.4);} }
.hero-badge .dot { width:8px; height:8px; background:var(--accent); border-radius:50%; animation:pulse-dot 2s ease-in-out infinite; }
@keyframes pulse-dot { 0%,100%{transform:scale(1);opacity:1;} 50%{transform:scale(1.5);opacity:.5;} }

.hero-content h1 {
    font-size:3.6rem; font-weight:800; margin-bottom:1rem; line-height:1.1; letter-spacing:-2px;
    background:linear-gradient(135deg, #fff 0%, var(--primary-light) 60%, var(--accent-light) 100%);
    -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text;
}
.hero-content p { font-size:1.2rem; margin-bottom:2.5rem; opacity:.85; line-height:1.7; max-width:600px; margin-left:auto; margin-right:auto; }
.hero-buttons { display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }

/* Buttons */
.btn {
    display:inline-flex; align-items:center; gap:8px;
    background:linear-gradient(135deg, var(--primary), var(--primary-light));
    color:#fff; padding:14px 32px; text-decoration:none; border-radius:var(--radius);
    font-weight:700; font-size:1rem; transition:var(--transition);
    box-shadow:0 4px 20px rgba(79,70,229,.35); border:none; cursor:pointer; position:relative; overflow:hidden;
}
.btn::before { content:''; position:absolute; top:0; left:-100%; width:100%; height:100%; background:linear-gradient(90deg, transparent, rgba(255,255,255,.2), transparent); transition:left .5s ease; }
.btn:hover::before { left:100%; }
.btn:hover { transform:translateY(-3px); box-shadow:0 8px 30px rgba(79,70,229,.45); }

.btn-outline { background:transparent; border:2px solid rgba(255,255,255,.25); box-shadow:none; color:#fff; }
.btn-outline:hover { background:rgba(255,255,255,.08); border-color:rgba(255,255,255,.5); }

/* Value Props / Stats */
.value-props { padding:60px 0; background:var(--bg-light); border-bottom:1px solid var(--border); }
.props-grid { display:grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap:24px; }
.prop-item { display:flex; align-items:flex-start; gap:14px; padding:20px; border-radius:var(--radius); transition:var(--transition); }
.prop-item:hover { background:rgba(79,70,229,.06); transform:translateY(-3px); }
.prop-icon { width:44px; height:44px; border-radius:12px; display:flex; align-items:center; justify-content:center; font-size:1.3rem; flex-shrink:0; background:linear-gradient(135deg, rgba(79,70,229,.15), rgba(6,182,212,.12)); }
.prop-item h4 { font-size:0.95rem; font-weight:700; margin:0 0 4px; color:var(--text); }
.prop-item p { font-size:0.82rem; color:var(--text-light); margin:0; line-height:1.5; }

/* Intro */
.intro { padding:100px 0; text-align:center; background:var(--bg); }
.intro h2 { font-size:2.2rem; font-weight:800; margin-bottom:20px; letter-spacing:-.5px; }
.intro p { font-size:1.1rem; color:var(--text-light); max-width:700px; margin:0 auto; line-height:1.7; }

/* Featured Products / Services */
.features-section { padding:100px 0; background:var(--bg-light); }
.section-header { text-align:center; margin-bottom:60px; }
.section-header h2 { font-size:2.4rem; font-weight:800; margin-bottom:12px; letter-spacing:-1px; }
.section-header p { color:var(--text-light); font-size:1.1rem; max-width:600px; margin:0 auto; line-height:1.6; }
.section-label {
    display:inline-block; background:linear-gradient(135deg, rgba(79,70,229,.15), rgba(6,182,212,.1));
    color:var(--primary-light); padding:6px 16px; border-radius:50px; font-size:.75rem; font-weight:700;
    text-transform:uppercase; letter-spacing:1px; margin-bottom:16px;
}

.feature-grid { display:grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap:24px; }
.feature-card {
    background:var(--surface); padding:36px 30px; border-radius:var(--radius);
    transition:var(--transition); border:1px solid var(--border); position:relative; overflow:hidden;
}
.feature-card::before {
    content:''; position:absolute; top:0; left:0; width:100%; height:3px;
    background:linear-gradient(90deg, var(--primary), var(--accent));
    transform:scaleX(0); transform-origin:left; transition:transform .4s ease;
}
.feature-card:hover::before { transform:scaleX(1); }
.feature-card:hover { transform:translateY(-8px); box-shadow:var(--shadow-lg), var(--shadow-glow); border-color:transparent; }

.feature-icon-wrap {
    width:56px; height:56px; border-radius:var(--radius); display:flex;
    align-items:center; justify-content:center; font-size:1.6rem; margin-bottom:20px;
    transition:var(--transition);
}
.feature-card:hover .feature-icon-wrap { transform:scale(1.1) rotate(-5deg); }
.feature-icon-wrap.purple { background:linear-gradient(135deg, rgba(79,70,229,.18), rgba(129,140,248,.1)); }
.feature-icon-wrap.teal { background:linear-gradient(135deg, rgba(6,182,212,.18), rgba(34,211,238,.1)); }
.feature-icon-wrap.blue { background:linear-gradient(135deg, rgba(59,130,246,.18), rgba(96,165,250,.1)); }
.feature-icon-wrap.pink { background:linear-gradient(135deg, rgba(236,72,153,.12), rgba(244,114,182,.08)); }

.feature-card h3 { font-size:1.15rem; font-weight:700; margin:0 0 10px; color:var(--text); }
.feature-card p { font-size:.92rem; color:var(--text-light); margin:0; line-height:1.65; }

/* Flagship Product Showcase */
.flagship-section { padding:100px 0; background:var(--bg); position:relative; overflow:hidden; }
.flagship-section::before {
    content:''; position:absolute; top:50%; left:50%; transform:translate(-50%,-50%);
    width:600px; height:600px; background:radial-gradient(circle, rgba(79,70,229,.06) 0%, transparent 70%);
}
.flagship-grid { display:grid; grid-template-columns: 1fr 1fr; gap:60px; align-items:center; position:relative; z-index:1; }
.flagship-content h2 { font-size:2.2rem; font-weight:800; margin-bottom:16px; letter-spacing:-.5px; }
.flagship-content p { color:var(--text-light); line-height:1.8; margin-bottom:24px; font-size:1.05rem; }
.flagship-features { list-style:none; padding:0; margin:0 0 28px; }
.flagship-features li { display:flex; align-items:flex-start; gap:12px; margin-bottom:14px; color:var(--text-light); font-size:.98rem; }
.flagship-features li .check { width:22px; height:22px; border-radius:50%; background:linear-gradient(135deg, var(--primary), var(--accent)); display:flex; align-items:center; justify-content:center; color:#fff; font-size:.7rem; flex-shrink:0; margin-top:2px; }
.flagship-visual { display:flex; justify-content:center; align-items:center; position:relative; }
.phone-mockup {
    width:220px; height:420px; background:var(--surface); border-radius:28px;
    box-shadow:var(--shadow-lg), 0 0 60px rgba(79,70,229,.15); overflow:hidden;
    border:6px solid var(--surface); position:relative;
}
.phone-mockup .screen { width:100%; height:100%; background:linear-gradient(180deg, var(--bg-light) 0%, var(--surface) 100%); border-radius:22px; padding:12px; display:flex; flex-direction:column; gap:8px; }
.phone-mockup .notch { width:50px; height:14px; background:#1E293B; border-radius:8px; margin:0 auto 6px; }
.phone-mockup .p-card { background:var(--bg-light); border-radius:10px; padding:10px; box-shadow:0 2px 6px rgba(0,0,0,.2); font-size:.55rem; color:var(--text-light); }
.phone-mockup .p-title { font-weight:700; color:var(--text); font-size:.6rem; display:flex; justify-content:space-between; }
.phone-mockup .p-badge { background:var(--primary); color:#fff; padding:1px 5px; border-radius:3px; font-size:.45rem; font-weight:600; }
.phone-mockup .p-chart { height:30px; display:flex; align-items:flex-end; gap:3px; padding:3px 0; }
.phone-mockup .p-bar { flex:1; border-radius:2px; background:linear-gradient(180deg, var(--primary), var(--primary-light)); min-height:6px; animation:chart-grow 2s ease-out infinite alternate; }
@keyframes chart-grow { 0%{height:20%;} 100%{height:90%;} }

/* CTA */
.cta-section {
    padding:100px 0; position:relative; overflow:hidden;
    background: linear-gradient(135deg, #0B1120 0%, #111827 50%, #0F172A 100%);
    color:#fff; text-align:center;
}
.cta-section .cta-shape { position:absolute; border-radius:50%; filter:blur(100px); opacity:.15; }
.cta-shape-1 { width:400px; height:400px; background:var(--primary); top:-20%; left:-10%; }
.cta-shape-2 { width:300px; height:300px; background:var(--accent); bottom:-20%; right:-5%; }
.cta-content { position:relative; z-index:2; }
.cta-section h2 { font-size:2.6rem; font-weight:800; margin-bottom:16px; letter-spacing:-1px; }
.cta-section p { font-size:1.15rem; opacity:.85; margin-bottom:32px; max-width:500px; margin-left:auto; margin-right:auto; }
.cta-section .btn { background:#fff; color:var(--primary-dark); box-shadow:0 8px 30px rgba(0,0,0,.3); }
.cta-section .btn:hover { background:var(--surface); color:var(--primary); box-shadow:0 12px 40px rgba(0,0,0,.4); }

/* Footer */
footer {
    background: #080C17;
    color: #64748B;
    padding: 60px 0 24px;
}
.footer-grid { display:grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 40px; margin-bottom: 40px; }
.footer-brand strong { color:#fff; font-size:1.25rem; display:block; margin-bottom:12px; }
.footer-brand p { margin:0; font-size:.88rem; line-height:1.6; }
.footer-col h4 { color:#fff; font-size:.9rem; font-weight:700; margin-bottom:16px; text-transform:uppercase; letter-spacing:1px; }
.footer-col ul { list-style:none; padding:0; margin:0; }
.footer-col li { margin-bottom:10px; }
.footer-col a { color:#64748B; text-decoration:none; font-size:.88rem; transition:var(--transition); }
.footer-col a:hover { color:var(--primary-light); }
.footer-bottom { border-top:1px solid rgba(148,163,184,.1); padding-top:24px; text-align:center; font-size:.82rem; }

/* Page Header */
.page-header {
    background: linear-gradient(135deg, #0B1120 0%, #111827 50%, #0F172A 100%);
    color: #fff; text-align: center; padding: 140px 0 80px; position:relative; overflow:hidden;
}
.page-header .shape { position:absolute; border-radius:50%; filter:blur(80px); opacity:.2; }
.page-header .shape-1 { width:400px; height:400px; background:var(--primary); top:-30%; right:-5%; }
.page-header .shape-2 { width:300px; height:300px; background:var(--accent); bottom:-30%; left:-5%; }
.page-header .container { position:relative; z-index:2; }
.page-header h1 { font-size: 2.8rem; font-weight: 800; margin-bottom: 10px; letter-spacing: -1px; }
.page-header p { opacity: .85; font-size: 1.1rem; }

/* Content Sections */
.content-section { padding: 80px 0; background: var(--bg); }
.content-block { max-width: 800px; margin: 0 auto 48px; }
.content-block h2 { font-size: 1.7rem; font-weight: 700; margin-bottom: 14px; color: var(--text); }
.content-block p { color: var(--text-light); line-height: 1.8; font-size: 1.02rem; }

/* Feature Detail */
.feature-detail { padding: 80px 0; background: var(--bg); }
.feature-item {
    background: var(--surface); margin-bottom: 28px; padding: 40px;
    border-radius: var(--radius); border: 1px solid var(--border); transition: var(--transition);
    position:relative; overflow:hidden;
}
.feature-item::before {
    content:''; position:absolute; top:0; left:0; width:4px; height:100%;
    background:linear-gradient(180deg, var(--primary), var(--accent));
    transform:scaleY(0); transform-origin:top; transition:transform .4s ease;
}
.feature-item:hover::before { transform:scaleY(1); }
.feature-item:hover { border-color: transparent; box-shadow: var(--shadow-md), var(--shadow-glow); transform:translateX(4px); }
.feature-item h3 { font-size: 1.25rem; font-weight: 700; margin: 0 0 12px; color: var(--primary-light); }
.feature-item p { color: var(--text-light); margin: 0; line-height: 1.7; font-size: .95rem; }

/* Contact */
.contact-section { padding: 80px 0; background: var(--bg); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; max-width: 1000px; margin: 0 auto; }
.contact-info h3 { font-size: 1.4rem; font-weight: 700; margin-bottom: 14px; }
.contact-info p { color: var(--text-light); margin-bottom: 28px; line-height:1.7; }
.contact-method { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 22px; }
.contact-method .icon {
    width: 44px; height: 44px; border-radius: 12px;
    background: linear-gradient(135deg, rgba(79,70,229,.15), rgba(6,182,212,.1));
    display: flex; align-items: center; justify-content: center; font-size: 1.2rem; flex-shrink: 0;
    transition:var(--transition);
}
.contact-method:hover .icon { transform:scale(1.1); }
.contact-method strong { display: block; font-size: .9rem; color:var(--text); }
.contact-method span { font-size: .9rem; color: var(--text-light); }
.contact-form-wrap { background: var(--surface); padding: 36px; border-radius: var(--radius); border: 1px solid var(--border); }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 8px; font-size: .88rem; font-weight: 600; color: var(--text); }
.form-group input,
.form-group textarea {
    width: 100%; padding: 14px 16px; border: 1px solid var(--border); border-radius: var(--radius);
    font-family: inherit; font-size: .95rem; background: var(--bg-light); color: var(--text);
    transition: border-color .2s, box-shadow .2s;
}
.form-group input:focus,
.form-group textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px rgba(79,70,229,.1); }
.alert.success {
    background: linear-gradient(135deg, rgba(6,182,212,.1), rgba(0,200,83,.05));
    color: #22D3EE; padding: 16px 20px; border-radius: var(--radius); margin-bottom: 24px;
    font-weight: 600; border: 1px solid rgba(6,182,212,.2);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-brand { grid-column: 1 / -1; }
    .flagship-grid { grid-template-columns: 1fr; gap: 40px; }
    .flagship-visual { order: -1; }
}

@media (max-width: 768px) {
    .hero-content h1 { font-size: 2.4rem; }
    .hero { padding: 140px 0 80px; min-height:auto; }
    .hero-buttons { flex-direction:column; align-items:center; }
    .menu-toggle { display:block; }
    nav { position:fixed; top:60px; left:0; right:0; background:rgba(15,23,42,.97); backdrop-filter:blur(20px); border-bottom:1px solid var(--border); padding:20px; transform:translateY(-100%); opacity:0; transition:var(--transition); z-index:999; }
    nav.active { transform:translateY(0); opacity:1; }
    nav ul { flex-direction:column; gap:16px; align-items:center; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .contact-grid { grid-template-columns: 1fr; }
    .feature-grid { grid-template-columns: 1fr; }
    .page-header { padding: 120px 0 60px; }
    .page-header h1 { font-size: 2rem; }
    .flagship-grid { gap: 32px; }
    .phone-mockup { width:180px; height:360px; }
    .cta-section h2 { font-size: 2rem; }
}