:root {
    --navy: #060B1A;
    --primary: #0A66FF;
    --cyan: #22D3EE;
    --accent: #7C3AED;
    --bg: #F8FAFC;
    --text: #111827;
    --success: #10B981;
}

* { margin:0; padding:0; box-sizing:border-box; }
body { font-family: 'Segoe UI', Arial, sans-serif; background: var(--bg); color: var(--text); line-height:1.6; }
.container { max-width: 1160px; margin: 0 auto; padding: 0 20px; }
a { text-decoration:none; color:inherit; }

/* Header */
.site-header { background:#fff; box-shadow:0 2px 10px rgba(0,0,0,0.05); position:sticky; top:0; z-index:100; }
.header-inner { display:flex; justify-content:space-between; align-items:center; padding:12px 20px; position:relative; }
.logo { display:flex; align-items:center; }
.logo-img { height:44px; width:auto; display:block; }
.main-nav { display:flex; align-items:center; }
.main-nav a { margin-left: 22px; font-weight:500; white-space:nowrap; }
.main-nav .nav-cta { background: linear-gradient(90deg, var(--primary), var(--cyan)); color:#fff; padding:8px 16px; border-radius:8px; }
.nav-toggle { display:none; background:none; border:none; font-size:1.6rem; cursor:pointer; color: var(--primary); }

/* Hero */
.hero {
    background: linear-gradient(-45deg, var(--navy), #0A2A6B, var(--primary), var(--cyan));
    background-size: 400% 400%;
    animation: gradientShift 12s ease infinite;
    color:#fff; padding:90px 0; text-align:center; position:relative; overflow:hidden;
}
@keyframes gradientShift {
    0% { background-position:0% 50%; }
    50% { background-position:100% 50%; }
    100% { background-position:0% 50%; }
}
.hero::after {
    content:''; position:absolute; inset:0;
    background: radial-gradient(circle at 70% 20%, rgba(34,211,238,0.25), transparent 60%);
    pointer-events:none;
}
.hero-inner { position:relative; z-index:1; }
.hero h1 { font-size:2.4rem; max-width:800px; margin:0 auto 20px; min-height:180px; display:flex; align-items:center; justify-content:center; transition:opacity 0.5s ease; }
.hero p { font-size:1.1rem; opacity:0.9; max-width:600px; margin:0 auto 30px; }
.hero-ctas { display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

/* Buttons */
.btn { display:inline-block; padding:12px 24px; border-radius:8px; font-weight:600; transition: transform 0.2s ease, box-shadow 0.2s ease; }
.btn:hover { transform: translateY(-2px) scale(1.05) !important; box-shadow: 0 6px 16px rgba(0,0,0,0.15); }
.btn-primary { background:#fff; color: var(--primary); }
.hero .btn-primary:hover { background: var(--cyan); color:#fff; }
.btn-outline { border:2px solid #fff; color:#fff; }
.hero .btn-outline:hover { background:#fff; color: var(--primary); }
.services-preview .btn-outline, .portfolio-grid .btn-outline, .blog-grid .btn-outline { border-color: var(--primary); color: var(--primary); }

/* Attention-grabbing pulse animation for buttons */
.pulse-btn { animation: pulseScale 2.4s ease-in-out infinite; }
@keyframes pulseScale {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.06); }
}

/* Gentle breathing glow for service cards */
.pulse-card { animation: pulseGlow 3.2s ease-in-out infinite; }
@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 4px 14px rgba(0,0,0,0.06); transform: translateY(0); }
    50% { box-shadow: 0 10px 26px rgba(10,102,255,0.18); transform: translateY(-4px); }
}

/* Stats */
.stats { background:#fff; padding:50px 0; }
.stats-grid { display:grid; grid-template-columns:repeat(5,1fr); gap:20px; text-align:center; }
.stat span, .stat-num { font-size:2rem; font-weight:800; color: var(--primary); }

/* Cards / grids */
.grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:24px; margin:30px 0; }
.card { background:#fff; padding:26px; border-radius:14px; box-shadow:0 4px 14px rgba(0,0,0,0.06); transition: transform 0.25s ease, box-shadow 0.25s ease; }
.card:hover { transform: translateY(-6px); box-shadow: 0 12px 28px rgba(10,102,255,0.15); }
.card .icon { font-size:1.8rem; }
.card .tag { background: var(--cyan); color:#fff; font-size:0.75rem; padding:4px 10px; border-radius:20px; }

.page-header { background: var(--text); color:#fff; padding:60px 0; text-align:center; }
.why .grid { text-align:center; }
.why span { font-weight:600; }

.process-timeline { display:flex; flex-wrap:wrap; gap:16px; list-style:none; margin:20px 0; }
.process-timeline li { background: var(--primary); color:#fff; padding:10px 18px; border-radius:20px; }
.process-timeline li.active-stage { background: var(--accent) !important; }
.tech-tags span { display:inline-block; background:#fff; border:1px solid #ddd; padding:6px 14px; margin:4px; border-radius:20px; }

/* Contact */
.contact-grid { display:grid; grid-template-columns:2fr 1fr; gap:40px; padding:40px 0 80px; }
.contact-form label { display:block; margin-top:14px; font-weight:600; }
.contact-form input, .contact-form select, .contact-form textarea { width:100%; padding:10px; border:1px solid #ccc; border-radius:8px; margin-top:6px; }
.contact-form button { margin-top:20px; }
.alert { padding:12px; border-radius:8px; margin-bottom:16px; }
.alert.success { background:#d1fae5; color:#065f46; }
.alert.error { background:#fee2e2; color:#991b1b; }

/* Footer */
.site-footer { background:#0F172A; color:#cbd5e1; padding:50px 0 20px; margin-top:60px; }
.footer-inner { display:grid; grid-template-columns:repeat(4,1fr); gap:30px; }
.footer-inner .logo-img { height:38px; margin-bottom:10px; }
.footer-inner h4 { color:#fff; margin-bottom:10px; }
.footer-inner a { display:block; color:#cbd5e1; margin-bottom:6px; }
.footer-bottom { text-align:center; margin-top:30px; font-size:0.85rem; opacity:0.7; }

/* Admin / Client login */
.admin-login-body { display:flex; align-items:center; justify-content:center; min-height:100vh; background: linear-gradient(135deg, var(--navy), var(--primary)); padding:20px; }
.admin-login-form { background:#fff; padding:40px; border-radius:14px; width:340px; text-align:center; }
.admin-login-form .logo-img { height:50px; margin-bottom:6px; }
.admin-login-form label { display:block; margin-top:12px; font-weight:600; text-align:left; }
.admin-login-form input { width:100%; padding:10px; border:1px solid #ccc; border-radius:8px; margin-top:6px; }
.admin-login-form button { width:100%; margin-top:20px; }

.admin-topbar { background: var(--text); color:#fff; padding:16px 24px; display:flex; justify-content:space-between; align-items:center; }
.admin-topbar .accent { color: var(--cyan); }
.admin-content { padding:30px 20px; overflow-x:auto; }
.admin-table { width:100%; border-collapse:collapse; margin-bottom:40px; background:#fff; }
.admin-table th, .admin-table td { border:1px solid #e5e7eb; padding:10px; text-align:left; font-size:0.9rem; }
.admin-form input, .admin-form textarea, .admin-form select { width:100%; padding:10px; border:1px solid #ccc; border-radius:8px; margin:6px 0 14px; }

/* Quote Estimator */
.estimator-box { background:#fff; padding:40px; border-radius:14px; box-shadow:0 4px 20px rgba(0,0,0,0.08); max-width:600px; margin:0 auto; }
.option-grid { display:flex; flex-direction:column; gap:12px; margin:20px 0; }
.option-btn { padding:14px; border:2px solid var(--primary); border-radius:8px; background:#fff; color:var(--primary); font-weight:600; cursor:pointer; }
.option-btn:hover { background:var(--primary); color:#fff; }
.checkbox-grid label { display:block; padding:10px; border:1px solid #ddd; border-radius:8px; }
.estimate-price { font-size:2.4rem; font-weight:800; color: var(--primary); text-align:center; }
.estimate-note { text-align:center; color:#666; margin-bottom:20px; }

/* Client portal progress */
.progress-bar { background:#e5e7eb; border-radius:20px; height:14px; overflow:hidden; margin:10px 0; }
.progress-fill { background: linear-gradient(90deg, var(--primary), var(--cyan)); height:100%; transition:width 0.6s ease; }

/* AI Chat widget */
.ai-chat-bubble {
    position:fixed; bottom:24px; right:24px; width:56px; height:56px;
    background: linear-gradient(135deg, var(--primary), var(--cyan));
    color:#fff; border-radius:50%; display:flex; align-items:center; justify-content:center;
    font-size:1.5rem; cursor:pointer; box-shadow:0 6px 20px rgba(10,102,255,0.4); z-index:999;
}
.ai-chat-panel {
    position:fixed; bottom:90px; right:24px; width:320px; max-height:440px;
    background:#fff; border-radius:14px; box-shadow:0 10px 30px rgba(0,0,0,0.2);
    display:flex; flex-direction:column; overflow:hidden;
    transform:scale(0.9) translateY(20px); opacity:0; pointer-events:none;
    transition:all 0.25s ease; z-index:999;
}
.ai-chat-panel.open { transform:scale(1) translateY(0); opacity:1; pointer-events:auto; }
.ai-chat-header {
    background: linear-gradient(90deg, var(--primary), var(--cyan)); color:#fff;
    padding:14px 16px; display:flex; justify-content:space-between; align-items:center; font-weight:600;
}
.ai-chat-header button { background:none; border:none; color:#fff; font-size:1.3rem; cursor:pointer; }
.ai-chat-messages { flex:1; padding:14px; overflow-y:auto; display:flex; flex-direction:column; gap:10px; max-height:300px; }
.ai-msg { padding:10px 14px; border-radius:14px; font-size:0.9rem; max-width:85%; }
.ai-msg-bot { background:#F1F5F9; align-self:flex-start; }
.ai-msg-user { background: var(--primary); color:#fff; align-self:flex-end; }
.ai-typing { opacity:0.6; font-style:italic; }
.ai-chat-form { display:flex; border-top:1px solid #eee; }
.ai-chat-form input { flex:1; border:none; padding:12px; font-size:0.9rem; }
.ai-chat-form button { background: var(--primary); color:#fff; border:none; padding:0 18px; font-weight:600; cursor:pointer; }

/* Scroll reveal */
.reveal { opacity:0; transform:translateY(24px); transition:opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity:1; transform:translateY(0); }

/* MOBILE NAV */
@media (max-width:900px) {
    .nav-toggle { display:block; }
    .main-nav {
        position:absolute; top:100%; left:0; right:0;
        background:#fff; flex-direction:column; align-items:flex-start;
        padding:10px 20px 20px; box-shadow:0 8px 20px rgba(0,0,0,0.1);
        max-height:0; overflow:hidden; transition:max-height 0.3s ease;
    }
    .main-nav.open { max-height:500px; }
    .main-nav a { margin:10px 0; width:100%; }
    .main-nav .nav-cta { display:inline-block; width:auto; }

    .stats-grid { grid-template-columns:repeat(2,1fr); }
    .contact-grid, .footer-inner { grid-template-columns:1fr; }
    .hero h1 { font-size:1.8rem; min-height:220px; }
    .ai-chat-panel { width:calc(100vw - 30px); right:15px; }
}

.whatsapp-bubble {
    position:fixed; bottom:24px; left:24px; width:56px; height:56px;
    background:#25D366; border-radius:50%; display:flex; align-items:center; justify-content:center;
    box-shadow:0 6px 20px rgba(37,211,102,0.5); z-index:999;
    animation: whatsappVibrate 3.5s ease-in-out infinite;
}
@keyframes whatsappVibrate {
    0%, 90%, 100% { transform: rotate(0deg); }
    91% { transform: rotate(-8deg); }
    92% { transform: rotate(8deg); }
    93% { transform: rotate(-8deg); }
    94% { transform: rotate(8deg); }
    95% { transform: rotate(-5deg); }
    96% { transform: rotate(5deg); }
    97% { transform: rotate(0deg); }
}

@media (max-width:480px) {
    .whatsapp-bubble { bottom:24px; left:15px; }
}