/* ============================================================
   DevOps World — style.css
   Premium dark theme with glassmorphism & micro-animations
   ============================================================ */

/* ---------- Reset & Variables ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --c1: #0f172a;
  --c2: #1e293b;
  --c3: #334155;
  --accent: #6366f1;
  --accent2: #06b6d4;
  --accent3: #a855f7;
  --text: #f8fafc;
  --muted: #94a3b8;
  --card: rgba(255, 255, 255, 0.05);
  --card-border: rgba(255, 255, 255, 0.10);
  --radius: 16px;
  --radius-sm: 10px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--c1);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ---------- Background Mesh ---------- */
.bg-mesh {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 60% at 20% 10%, rgba(99, 102, 241, 0.18) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 80%, rgba(168, 85, 247, 0.14) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 60% 30%, rgba(6, 182, 212, 0.10) 0%, transparent 55%);
}

/* ---------- Navigation ---------- */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2.5rem;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--card-border);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-logo svg {
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.875rem;
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--text);
}

.nav-cta {
  background: linear-gradient(135deg, var(--accent), var(--accent3));
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  transition: opacity 0.2s, transform 0.15s;
}

.nav-cta:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

/* ---------- Main & Sections ---------- */
main {
  position: relative;
  z-index: 1;
}

section {
  padding: 6rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

/* ---------- Hero ---------- */
.hero {
  min-height: 92vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 1.5rem 4rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: 100px;
  padding: 0.35rem 1rem;
  font-size: 0.8rem;
  color: #a5b4fc;
  margin-bottom: 2rem;
  animation: fadeDown 0.6s ease both;
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s infinite;
}

h1 {
  font-family: 'Poppins', sans-serif;
  font-weight: 800;
  font-size: clamp(2.6rem, 7vw, 5rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  animation: fadeDown 0.7s 0.1s ease both;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 50%, var(--accent3) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  max-width: 560px;
  color: var(--muted);
  font-size: 1.125rem;
  line-height: 1.7;
  margin: 1.5rem auto 2.5rem;
  animation: fadeDown 0.7s 0.2s ease both;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  animation: fadeDown 0.7s 0.3s ease both;
}

/* ---------- Buttons ---------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent3));
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.85rem 2rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 0 0 0 rgba(99, 102, 241, 0);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.35);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--card);
  border: 1px solid var(--card-border);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 0.85rem 2rem;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  transition: background 0.2s, transform 0.2s;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.09);
  transform: translateY(-2px);
}

/* ---------- Stats Bar ---------- */
.stats-bar {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  background: var(--card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  max-width: 720px;
  margin: 4rem auto;
  animation: fadeUp 0.8s 0.5s ease both;
  overflow: hidden;
}

.stat {
  flex: 1;
  min-width: 160px;
  padding: 1.75rem 2rem;
  border-right: 1px solid var(--card-border);
  text-align: center;
}

.stat:last-child {
  border-right: none;
}

.stat-num {
  font-family: 'Poppins', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  color: var(--muted);
  font-size: 0.8rem;
  margin-top: 0.25rem;
}

/* ---------- Section Typography ---------- */
.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent2);
  margin-bottom: 1rem;
}

h2 {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-sub {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 520px;
  line-height: 1.7;
}

/* ---------- Feature Cards ---------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-top: 3rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.06), transparent);
  opacity: 0;
  transition: opacity 0.25s;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.35);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}

.card:hover::before {
  opacity: 1;
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.card p {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.65;
}

/* ---------- Pipeline ---------- */
.pipeline {
  display: flex;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  overflow: hidden;
  margin-top: 3rem;
  flex-wrap: wrap;
}

.pipe-step {
  flex: 1;
  min-width: 120px;
  padding: 1.75rem 1.25rem;
  text-align: center;
  position: relative;
  border-right: 1px solid var(--card-border);
  transition: background 0.2s;
}

.pipe-step:hover {
  background: rgba(255, 255, 255, 0.04);
}

.pipe-step:last-child {
  border-right: none;
}

.pipe-step::after {
  content: '›';
  position: absolute;
  right: -10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 1.2rem;
  z-index: 2;
}

.pipe-step:last-child::after {
  content: none;
}

.pipe-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.75rem;
}

.pipe-step span {
  font-size: 0.8rem;
  color: var(--muted);
}

.pipe-step strong {
  display: block;
  font-size: 0.92rem;
  margin-bottom: 0.2rem;
}

/* ---------- CTA Section ---------- */
.cta-section {
  text-align: center;
  padding: 5rem 1.5rem;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.12), rgba(168, 85, 247, 0.08));
  border-top: 1px solid var(--card-border);
  border-bottom: 1px solid var(--card-border);
}

.cta-section h2 {
  font-family: 'Poppins', sans-serif;
  margin-bottom: 1rem;
}

.cta-section p {
  color: var(--muted);
  max-width: 480px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

/* ---------- Footer ---------- */
footer {
  text-align: center;
  padding: 2rem 1.5rem;
  color: var(--muted);
  font-size: 0.82rem;
  border-top: 1px solid var(--card-border);
}

/* ---------- Animations ---------- */
@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-18px); }
  to   { opacity: 1; transform: none; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: none; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(1.3); }
}

/* ---------- Scroll Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  nav {
    padding: 1rem 1.25rem;
  }

  .nav-links {
    display: none;
  }

  .stats-bar {
    margin: 2rem 1.5rem;
  }

  .stat {
    min-width: 140px;
    padding: 1.25rem;
  }

  section {
    padding: 4rem 1.25rem;
  }
}

@media (max-width: 480px) {
  .pipe-step {
    min-width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--card-border);
  }

  .pipe-step::after {
    content: '↓';
    right: 50%;
    transform: translateX(50%);
    bottom: -10px;
    top: auto;
  }

  .pipe-step:last-child::after {
    content: none;
  }

  .pipe-step:last-child {
    border-bottom: none;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }
}