/* ============================================
   ATENZO — Global Stylesheet
   AI That Watches. Intelligence That Acts.
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&display=swap');

:root {
  --navy:      #0D0F1A;
  --navy-mid:  #131629;
  --navy-card: #181C2E;
  --blue:      #1A6BF5;
  --blue-lite: #3B8BFF;
  --cyan:      #00C6FF;
  --white:     #F4F6FF;
  --muted:     #7B82A3;
  --border:    rgba(255,255,255,0.07);
  --radius:    12px;
  --font-head: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --transition: 0.28s cubic-bezier(0.4,0,0.2,1);
}

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

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

body {
  background: var(--navy);
  color: var(--white);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ─── TYPOGRAPHY ─── */
h1,h2,h3,h4 { font-family: var(--font-head); font-weight: 700; line-height: 1.15; }
h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
p  { color: var(--muted); max-width: 65ch; }

.section-label {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 1rem;
}

/* ─── LAYOUT ─── */
.container { width: 90%; max-width: 1200px; margin: 0 auto; }
section { padding: 100px 0; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }

/* ─── NAVIGATION ─── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 0 5%;
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
  background: rgba(13,15,26,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.nav-logo {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--font-head); font-size: 1.4rem; font-weight: 800;
  letter-spacing: 0.04em; color: var(--white);
}
.nav-logo .logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; font-weight: 800; color: #fff;
}
.nav-links { display: flex; align-items: center; gap: 36px; }
.nav-links a {
  font-size: 0.88rem; font-weight: 500; color: var(--muted);
  transition: color var(--transition); position: relative;
}
.nav-links a:hover, .nav-links a.active { color: var(--white); }
.nav-links a.active::after {
  content: ''; position: absolute; bottom: -4px; left: 0; right: 0;
  height: 2px; background: var(--blue); border-radius: 2px;
}
.nav-cta {
  background: var(--blue); color: #fff !important;
  padding: 8px 20px; border-radius: 8px;
  font-size: 0.85rem !important; font-weight: 500 !important;
  transition: background var(--transition) !important;
}
.nav-cta:hover { background: var(--blue-lite) !important; }
.nav-cta::after { display: none !important; }

/* Hamburger */
.nav-hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.nav-hamburger span { display: block; width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: var(--transition); }

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: var(--radius);
  font-family: var(--font-head); font-size: 0.9rem; font-weight: 600;
  cursor: pointer; border: none; transition: var(--transition);
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-lite); transform: translateY(-2px); box-shadow: 0 12px 32px rgba(26,107,245,0.35); }
.btn-outline { background: transparent; color: var(--white); border: 1px solid var(--border); }
.btn-outline:hover { border-color: var(--blue); color: var(--blue); }
.btn-sm { padding: 10px 20px; font-size: 0.82rem; }

/* ─── CARDS ─── */
.card {
  background: var(--navy-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: var(--transition);
}
.card:hover { border-color: rgba(26,107,245,0.3); transform: translateY(-4px); box-shadow: 0 20px 48px rgba(0,0,0,0.3); }

/* ─── ICON BOX ─── */
.icon-box {
  width: 52px; height: 52px; border-radius: 12px;
  background: linear-gradient(135deg, rgba(26,107,245,0.15), rgba(0,198,255,0.1));
  border: 1px solid rgba(26,107,245,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; margin-bottom: 20px;
}

/* ─── HERO GRADIENT ─── */
.hero-gradient {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 70% 60% at 60% 50%, rgba(26,107,245,0.12) 0%, transparent 70%),
              radial-gradient(ellipse 40% 40% at 80% 20%, rgba(0,198,255,0.08) 0%, transparent 60%);
}
.grid-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(var(--border) 1px, transparent 1px),
                    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}

/* ─── BADGE / TAG ─── */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(26,107,245,0.12); border: 1px solid rgba(26,107,245,0.25);
  color: var(--blue-lite); padding: 6px 14px; border-radius: 100px;
  font-size: 0.78rem; font-weight: 500; font-family: var(--font-head);
  letter-spacing: 0.03em;
}
.badge::before { content: ''; width: 6px; height: 6px; background: var(--cyan); border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity:1; transform:scale(1); } 50% { opacity:0.5; transform:scale(1.4); } }

/* ─── SECTION HEADING ─── */
.section-heading { margin-bottom: 56px; }
.section-heading p { font-size: 1.05rem; margin-top: 16px; }

/* ─── DIVIDER ─── */
.divider { width: 48px; height: 3px; background: linear-gradient(90deg, var(--blue), var(--cyan)); border-radius: 2px; margin: 20px 0; }

/* ─── STAT STRIP ─── */
.stat-strip { display: flex; gap: 48px; }
.stat-item .num { font-family: var(--font-head); font-size: 2.2rem; font-weight: 800; background: linear-gradient(90deg, var(--white), var(--cyan)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.stat-item .lbl { font-size: 0.82rem; color: var(--muted); margin-top: 2px; }

/* ─── FEATURES ICON LIST ─── */
.check-list { display: flex; flex-direction: column; gap: 14px; margin-top: 24px; }
.check-list li { display: flex; align-items: center; gap: 12px; font-size: 0.92rem; color: var(--muted); }
.check-list li::before { content: '✓'; width: 22px; height: 22px; background: rgba(26,107,245,0.15); border: 1px solid rgba(26,107,245,0.3); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.65rem; color: var(--cyan); flex-shrink: 0; }

/* ─── FOOTER ─── */
footer {
  background: var(--navy-mid);
  border-top: 1px solid var(--border);
  padding: 72px 0 32px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 56px; }
.footer-brand p { font-size: 0.9rem; margin-top: 16px; max-width: 28ch; }
.footer-col h4 { font-family: var(--font-head); font-size: 0.85rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--white); margin-bottom: 20px; }
.footer-col a { display: block; color: var(--muted); font-size: 0.88rem; margin-bottom: 10px; transition: color var(--transition); }
.footer-col a:hover { color: var(--white); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; padding-top: 32px; border-top: 1px solid var(--border); }
.footer-bottom p { font-size: 0.8rem; max-width: none; }
.footer-social { display: flex; gap: 12px; }
.footer-social a { width: 36px; height: 36px; border-radius: 8px; background: var(--navy-card); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; font-size: 0.85rem; transition: var(--transition); }
.footer-social a:hover { border-color: var(--blue); color: var(--blue); }

/* ─── PAGE HERO (inner pages) ─── */
.page-hero {
  padding: 160px 0 80px;
  position: relative; overflow: hidden;
  text-align: center;
}
.page-hero h1 { margin-bottom: 20px; }
.page-hero p { font-size: 1.1rem; margin: 0 auto; }

/* ─── BREADCRUMB ─── */
.breadcrumb { display: flex; align-items: center; justify-content: center; gap: 8px; font-size: 0.82rem; color: var(--muted); margin-bottom: 20px; }
.breadcrumb a { color: var(--blue-lite); }
.breadcrumb span { color: var(--border); }

/* ─── FORM ─── */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.82rem; font-weight: 500; color: var(--muted); margin-bottom: 8px; letter-spacing: 0.04em; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 14px 18px;
  background: var(--navy-card); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--white);
  font-family: var(--font-body); font-size: 0.92rem;
  transition: border-color var(--transition);
  outline: none;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color: var(--blue); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group select option { background: var(--navy-card); }

/* ─── TIMELINE ─── */
.timeline { position: relative; padding-left: 32px; }
.timeline::before { content: ''; position: absolute; left: 8px; top: 0; bottom: 0; width: 2px; background: var(--border); }
.timeline-item { position: relative; margin-bottom: 40px; }
.timeline-item::before { content: ''; position: absolute; left: -28px; top: 6px; width: 10px; height: 10px; border-radius: 50%; background: var(--blue); border: 2px solid var(--navy); box-shadow: 0 0 0 4px rgba(26,107,245,0.2); }
.timeline-item h4 { font-family: var(--font-head); font-size: 1rem; margin-bottom: 6px; }
.timeline-item p { font-size: 0.88rem; }

/* ─── BLOG CARD ─── */
.blog-card { background: var(--navy-card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: var(--transition); }
.blog-card:hover { border-color: rgba(26,107,245,0.3); transform: translateY(-4px); }
.blog-thumb { height: 200px; background: linear-gradient(135deg, rgba(26,107,245,0.2), rgba(0,198,255,0.1)); display: flex; align-items: center; justify-content: center; font-size: 3rem; }
.blog-content { padding: 28px; }
.blog-meta { display: flex; gap: 12px; font-size: 0.78rem; color: var(--muted); margin-bottom: 12px; }
.blog-tag { background: rgba(26,107,245,0.1); color: var(--blue-lite); padding: 2px 8px; border-radius: 4px; font-size: 0.72rem; font-weight: 500; }

/* ─── RESPONSIVE ─── */
@media(max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media(max-width: 768px) {
  .grid-2 { grid-template-columns: 1fr; gap: 40px; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: 72px; left: 0; right: 0; background: var(--navy-mid); border-bottom: 1px solid var(--border); padding: 24px 5%; gap: 20px; }
  .nav-links.open { display: flex; }
  .nav-hamburger { display: flex; }
  .stat-strip { flex-wrap: wrap; gap: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
}

/* ─── ANIMATIONS ─── */
@keyframes fadeUp { from { opacity:0; transform:translateY(24px); } to { opacity:1; transform:translateY(0); } }
.fade-up { animation: fadeUp 0.7s ease forwards; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }

/* ─── GLOW LINE ─── */
.glow-line { height: 1px; background: linear-gradient(90deg, transparent, var(--blue), var(--cyan), transparent); opacity: 0.4; margin: 0; }

/* ─── TAG PILLS ─── */
.pill { display: inline-block; padding: 4px 12px; border-radius: 100px; font-size: 0.75rem; font-weight: 500; background: rgba(26,107,245,0.1); border: 1px solid rgba(26,107,245,0.2); color: var(--blue-lite); margin: 3px; }

/* ─── PRODUCT HERO VISUAL ─── */
.product-visual {
  background: var(--navy-card); border: 1px solid var(--border);
  border-radius: 20px; padding: 40px;
  display: flex; align-items: center; justify-content: center;
  min-height: 320px; position: relative; overflow: hidden;
}
.product-visual::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(26,107,245,0.08) 0%, transparent 70%);
}
.product-visual .cam-icon { font-size: 6rem; opacity: 0.9; }
.product-visual .ring {
  position: absolute; border-radius: 50%; border: 1px solid rgba(26,107,245,0.2);
  animation: expand 3s ease-out infinite;
}
.ring-1 { width: 160px; height: 160px; }
.ring-2 { width: 240px; height: 240px; animation-delay: 1s; }
.ring-3 { width: 320px; height: 320px; animation-delay: 2s; }
@keyframes expand { 0% { opacity:0.5; transform:scale(0.8); } 100% { opacity:0; transform:scale(1.1); } }