/* OPS360 Landing Page — Professional Business Site */
:root {
  --primary: #0f172a;
  --primary-light: #1e293b;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --text: #1e293b;
  --text-light: #64748b;
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --border: #e2e8f0;
  --radius: 12px;
  --radius-sm: 8px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* Header */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,0.95); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { text-decoration: none; font-size: 24px; font-weight: 800; }
.logo-ops { color: var(--primary); }
.logo-360 { color: var(--accent); }
.nav { display: flex; gap: 32px; }
.nav a { text-decoration: none; color: var(--text-light); font-size: 14px; font-weight: 500; transition: color 0.2s; }
.nav a:hover { color: var(--accent); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 28px; border-radius: var(--radius-sm); font-size: 15px; font-weight: 600;
  text-decoration: none; border: none; cursor: pointer; transition: all 0.2s;
}
.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(37,99,235,0.3); }
.btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--border); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { padding: 8px 20px; font-size: 13px; }
.btn-full { width: 100%; }

/* Hero */
.hero { padding: 160px 0 100px; background: linear-gradient(135deg, #f0f4ff 0%, #e8f0fe 50%, #f0f9ff 100%); }
.hero-content { max-width: 720px; }
.hero-badge { display: inline-block; padding: 6px 16px; background: rgba(37,99,235,0.1); color: var(--accent); font-size: 13px; font-weight: 600; border-radius: 50px; margin-bottom: 20px; }
.hero h1 { font-size: 48px; font-weight: 800; line-height: 1.15; color: var(--primary); margin-bottom: 20px; letter-spacing: -0.02em; }
.hero-sub { font-size: 18px; color: var(--text-light); line-height: 1.7; margin-bottom: 32px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* Sections */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); }
.section-header { text-align: center; margin-bottom: 64px; }
.section-header h2 { font-size: 36px; font-weight: 800; color: var(--primary); margin-bottom: 12px; letter-spacing: -0.02em; }
.section-header p { font-size: 18px; color: var(--text-light); }

/* Grid */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

/* Cards */
.card { background: white; border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; transition: all 0.3s; }
.card:hover { border-color: var(--accent); box-shadow: 0 8px 30px rgba(37,99,235,0.08); transform: translateY(-2px); }
.card h3 { font-size: 18px; font-weight: 700; margin-bottom: 12px; color: var(--primary); }
.card p { font-size: 14px; color: var(--text-light); line-height: 1.7; }
.card-icon { width: 52px; height: 52px; border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; }
.card-icon-blue { background: #eff6ff; color: #2563eb; }
.card-icon-green { background: #f0fdf4; color: #16a34a; }
.card-icon-purple { background: #faf5ff; color: #9333ea; }
.card-icon-orange { background: #fff7ed; color: #ea580c; }
.card-icon-cyan { background: #ecfeff; color: #0891b2; }
.card-icon-rose { background: #fff1f2; color: #e11d48; }

/* Steps */
.steps { display: flex; gap: 40px; justify-content: center; }
.step { text-align: center; flex: 1; max-width: 320px; }
.step-num { width: 56px; height: 56px; border-radius: 50%; background: var(--accent); color: white; font-size: 22px; font-weight: 800; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; }
.step h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; color: var(--primary); }
.step p { font-size: 14px; color: var(--text-light); line-height: 1.7; }

/* About */
.about-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 64px; align-items: start; }
.about-text h2 { font-size: 36px; font-weight: 800; color: var(--primary); margin-bottom: 20px; letter-spacing: -0.02em; }
.about-text p { font-size: 16px; color: var(--text-light); line-height: 1.8; margin-bottom: 16px; }
.about-list { list-style: none; padding: 0; margin-top: 24px; }
.about-list li { padding: 8px 0; font-size: 15px; color: var(--text); display: flex; align-items: center; gap: 10px; }
.about-list li::before { content: '\2713'; background: #dcfce7; color: #16a34a; width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700; flex-shrink: 0; }
.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.stat { background: white; border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; text-align: center; }
.stat-num { display: block; font-size: 28px; font-weight: 800; color: var(--accent); margin-bottom: 4px; }
.stat-label { font-size: 13px; color: var(--text-light); }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; }
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-item svg { color: var(--accent); flex-shrink: 0; margin-top: 4px; }
.contact-item strong { display: block; font-size: 14px; color: var(--primary); margin-bottom: 2px; }
.contact-item p { font-size: 14px; color: var(--text-light); margin: 0; }
.contact-form { background: white; border: 1px solid var(--border); border-radius: var(--radius); padding: 36px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; font-weight: 500; color: var(--primary); margin-bottom: 6px; }
.form-group input, .form-group textarea {
  width: 100%; padding: 12px 16px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-size: 14px; font-family: inherit; color: var(--text); transition: border-color 0.2s;
}
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }
.form-consent { margin-bottom: 20px; }
.form-consent label { font-size: 13px; color: var(--text-light); display: flex; align-items: flex-start; gap: 8px; cursor: pointer; }
.form-consent input[type="checkbox"] { margin-top: 3px; }
.form-consent a { color: var(--accent); text-decoration: none; }

/* Footer */
.footer { background: var(--primary); color: #94a3b8; padding: 64px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-brand p { font-size: 14px; line-height: 1.7; margin-top: 16px; }
.footer-links h4 { color: white; font-size: 14px; font-weight: 600; margin-bottom: 16px; }
.footer-links a, .footer-links p { display: block; font-size: 13px; color: #94a3b8; text-decoration: none; margin-bottom: 10px; line-height: 1.5; }
.footer-links a:hover { color: white; }
.footer-address { font-size: 13px; }
.footer-bottom { border-top: 1px solid #1e293b; padding-top: 24px; text-align: center; }
.footer-bottom p { font-size: 13px; color: #64748b; margin-bottom: 6px; }
.footer-meta { font-size: 12px; color: #475569; }

/* Legal Pages */
.legal-page { padding: 120px 0 80px; }
.legal-page h1 { font-size: 36px; font-weight: 800; color: var(--primary); margin-bottom: 8px; }
.legal-page .updated { font-size: 14px; color: var(--text-light); margin-bottom: 40px; }
.legal-page h2 { font-size: 22px; font-weight: 700; color: var(--primary); margin-top: 40px; margin-bottom: 16px; }
.legal-page h3 { font-size: 18px; font-weight: 600; color: var(--primary); margin-top: 28px; margin-bottom: 12px; }
.legal-page p, .legal-page li { font-size: 15px; color: var(--text-light); line-height: 1.8; margin-bottom: 12px; }
.legal-page ul, .legal-page ol { padding-left: 24px; margin-bottom: 16px; }
.legal-page li { margin-bottom: 8px; }
.legal-page strong { color: var(--text); }
.legal-page a { color: var(--accent); }

/* Responsive */
@media (max-width: 768px) {
  .nav { display: none; }
  .hero h1 { font-size: 32px; }
  .hero { padding: 120px 0 60px; }
  .grid-3 { grid-template-columns: 1fr; }
  .steps { flex-direction: column; align-items: center; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .section { padding: 64px 0; }
}