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

:root {
  --green: #00c27a;
  --green-dark: #00a066;
  --green-dim: #00c27a22;
  --red: #e05252;
  --red-dim: #e0525222;
  --dark: #0d1117;
  --dark2: #161b22;
  --dark3: #21262d;
  --text: #e6edf3;
  --text-dim: #8b949e;
  --border: #30363d;
  --white: #ffffff;
  --suse-green: #30ba78;
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--dark);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 780px; }
.center { text-align: center; }

/* HERO */
.hero {
  background: linear-gradient(135deg, #0d1117 0%, #0d2818 50%, #0d1117 100%);
  border-bottom: 1px solid var(--border);
  padding: 100px 24px 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 40% at 50% 0%, rgba(0,194,122,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero-badge {
  display: inline-block;
  background: var(--green-dim);
  color: var(--green);
  border: 1px solid var(--green);
  border-radius: 20px;
  padding: 4px 16px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 28px;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  max-width: 800px;
  margin: 0 auto 24px;
  letter-spacing: -0.02em;
}
.hero-sub {
  font-size: 1.15rem;
  color: var(--text-dim);
  max-width: 620px;
  margin: 0 auto 36px;
  line-height: 1.7;
}
.hero-sub em { color: var(--green); font-style: normal; font-weight: 600; }

.cta-btn {
  display: inline-block;
  background: var(--green);
  color: #000;
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 32px;
  border-radius: 8px;
  text-decoration: none;
  transition: background 0.2s, transform 0.1s;
}
.cta-btn:hover { background: var(--green-dark); transform: translateY(-1px); }
.cta-secondary {
  background: transparent;
  color: var(--green);
  border: 2px solid var(--green);
  margin-left: 12px;
}
.cta-secondary:hover { background: var(--green-dim); }

/* CONTEXT STRIP */
.context-strip {
  background: var(--dark2);
  border-bottom: 1px solid var(--border);
  padding: 18px 24px;
}
.context-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  color: var(--text-dim);
  font-weight: 500;
}
.context-inner .highlight { color: var(--green); font-weight: 700; font-size: 1.05rem; }

/* SECTIONS */
.section { padding: 80px 0; }
.section:nth-child(even) { background: var(--dark2); }

h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.section-sub {
  color: var(--text-dim);
  font-size: 1.05rem;
  margin-bottom: 48px;
  max-width: 680px;
}

/* PAIN CARDS */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.card {
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  transition: border-color 0.2s;
}
.card.bad { border-left: 3px solid var(--red); }
.card.bad:hover { border-color: var(--red); }
.card-icon { font-size: 1.8rem; margin-bottom: 12px; }
.card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 10px; color: var(--white); }
.card p { font-size: 0.9rem; color: var(--text-dim); line-height: 1.65; }

/* YOUMONI INTRO */
.youmoni-intro { background: linear-gradient(135deg, #0d1117 0%, #0d2818 100%) !important; }
.intro-split { display: grid; grid-template-columns: 1fr 320px; gap: 64px; align-items: center; }
.intro-text .label {
  display: inline-block;
  color: var(--green);
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 12px;
}
.intro-text h2 { margin-bottom: 16px; }
.intro-text p { color: var(--text-dim); margin-bottom: 14px; }
.intro-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.stat {
  background: var(--dark3);
  border: 1px solid var(--green);
  border-radius: 10px;
  padding: 20px;
  text-align: center;
}
.stat-num { display: block; font-size: 1.8rem; font-weight: 800; color: var(--green); }
.stat-label { display: block; font-size: 0.78rem; color: var(--text-dim); margin-top: 4px; line-height: 1.3; }

/* COMPARISON TABLE */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
thead tr { background: var(--dark3); }
th {
  padding: 14px 16px;
  text-align: left;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  border-bottom: 2px solid var(--border);
}
th.youmoni-col { color: var(--green); }
th.losant-col { color: var(--red); }
td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  line-height: 1.5;
}
tr:hover td { background: rgba(255,255,255,0.02); }
td.youmoni-col { background: var(--green-dim); }
td.losant-col { background: var(--red-dim); }
.win { color: var(--green); font-weight: 700; margin-right: 4px; }
.lose { color: var(--red); font-weight: 700; margin-right: 4px; }

/* SUSE FIT */
.fit-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; margin-top: 40px; }
.fit-item {
  background: var(--dark3);
  border: 1px solid var(--border);
  border-top: 3px solid var(--suse-green);
  border-radius: 10px;
  padding: 24px;
}
.fit-item h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; color: var(--suse-green); }
.fit-item p { font-size: 0.88rem; color: var(--text-dim); line-height: 1.65; }

/* ARCHITECTURE */
.arch-diagram { margin-top: 40px; display: flex; flex-direction: column; gap: 0; }
.arch-layer {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  background: var(--dark3);
}
.arch-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  margin-bottom: 14px;
}
.cloud-layer .arch-label { color: #7ca5f5; }
.edge-layer { background: linear-gradient(135deg, #0d2818, var(--dark3)); border-color: var(--green); }
.edge-layer .arch-label { color: var(--green); }
.device-layer .arch-label { color: #e5a44a; }
.arch-boxes { display: flex; flex-wrap: wrap; gap: 10px; }
.arch-box {
  background: var(--dark);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 14px;
  font-size: 0.82rem;
  color: var(--text);
}
.highlight-box { border-color: var(--green); color: var(--green); background: var(--green-dim); }
.arch-note {
  margin-top: 12px;
  font-size: 0.78rem;
  color: var(--text-dim);
  font-style: italic;
}
.arch-arrow {
  text-align: center;
  padding: 10px;
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* USE CASES */
.uc-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; margin-top: 40px; }
.uc-card {
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  transition: border-color 0.2s, transform 0.2s;
}
.uc-card:hover { border-color: var(--green); transform: translateY(-3px); }
.uc-icon { font-size: 2rem; margin-bottom: 12px; }
.uc-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.uc-card p { font-size: 0.88rem; color: var(--text-dim); line-height: 1.65; }

/* PHILOSOPHY */
.philosophy { }
blockquote {
  border-left: 3px solid var(--green);
  padding: 20px 28px;
  background: var(--dark3);
  border-radius: 0 10px 10px 0;
  margin: 32px 0;
  font-size: 1.05rem;
  font-style: italic;
  color: var(--text);
  line-height: 1.7;
}
blockquote cite {
  display: block;
  margin-top: 12px;
  font-size: 0.82rem;
  color: var(--text-dim);
  font-style: normal;
}
.philosophy p { color: var(--text-dim); margin-bottom: 16px; }
.philosophy-list { margin-top: 32px; display: flex; flex-direction: column; gap: 12px; }
.ph-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 18px;
  font-size: 0.95rem;
}
.ph-check { color: var(--green); font-size: 1.1rem; flex-shrink: 0; }

/* CTA SECTION */
.cta-section {
  background: linear-gradient(135deg, #0d2818 0%, #0d1117 100%) !important;
  text-align: center;
}
.cta-section h2 { margin-bottom: 16px; }
.cta-section > .container > p { color: var(--text-dim); max-width: 520px; margin: 0 auto 32px; }
.cta-actions { margin-bottom: 24px; }
.footnote { font-size: 0.8rem; color: var(--text-dim); }

/* FOOTER */
.footer {
  background: var(--dark2);
  border-top: 1px solid var(--border);
  padding: 32px 24px;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
}
.footer-note { margin-top: 6px; font-size: 0.75rem; opacity: 0.6; }

/* RESPONSIVE */
@media (max-width: 768px) {
  .intro-split { grid-template-columns: 1fr; gap: 40px; }
  .intro-stats { grid-template-columns: 1fr 1fr; }
  table { font-size: 0.8rem; }
  td, th { padding: 10px 10px; }
  .cta-secondary { margin-left: 0; margin-top: 10px; display: block; text-align: center; }
  .cta-actions { display: flex; flex-direction: column; gap: 10px; align-items: center; }
}