/* babiaflow.com — deep purple-black developer platform style, inspired by fly.io */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root {
  --bg: #0b0d1a;
  --bg2: #111327;
  --bg3: #171a30;
  --accent: #7c3aed;
  --accent2: #a855f7;
  --accent3: #c084fc;
  --text: #e8e6f8;
  --text2: #a9a6cc;
  --text3: #6b679a;
  --border: #252845;
  --radius: 12px;
  --radius-lg: 20px;
  --max-w: 1200px;
  --font: 'Segoe UI', 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* NAV */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11,13,26,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 62px;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text);
  cursor: default;
}
.nav__logo-mark { flex-shrink: 0; }
.nav__links {
  display: flex;
  gap: 28px;
  list-style: none;
  font-size: 0.9rem;
  color: var(--text2);
}
.nav__links a:hover { color: var(--text); }
.nav__cta {
  display: flex;
  gap: 10px;
  align-items: center;
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 22px;
  border: none;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.18s ease;
  font-family: var(--font);
  white-space: nowrap;
  min-height: 44px;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  box-shadow: 0 4px 18px rgba(124,58,237,0.35);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #6d28d9, #9333ea);
  box-shadow: 0 6px 24px rgba(124,58,237,0.5);
  transform: translateY(-1px);
}
.btn-outline {
  background: transparent;
  color: var(--text2);
  border: 1px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--accent3);
  color: var(--text);
  background: rgba(124,58,237,0.07);
}
.btn-lg {
  padding: 14px 32px;
  font-size: 1rem;
  border-radius: 10px;
  min-height: 52px;
}
.btn-ghost {
  background: rgba(255,255,255,0.07);
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.12);
}
.btn-ghost:hover {
  background: rgba(124,58,237,0.18);
  border-color: var(--accent3);
}

/* HERO */
.hero {
  padding: 96px 0 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -200px;
  width: 700px;
  height: 700px;
  background: radial-gradient(ellipse, rgba(124,58,237,0.22) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -150px;
  width: 500px;
  height: 500px;
  background: radial-gradient(ellipse, rgba(168,85,247,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(124,58,237,0.15);
  border: 1px solid rgba(124,58,237,0.3);
  border-radius: 100px;
  padding: 5px 14px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent3);
  margin-bottom: 22px;
  letter-spacing: 0.02em;
}
.hero__title {
  font-size: clamp(2.4rem, 4vw, 3.6rem);
  font-weight: 900;
  line-height: 1.12;
  color: #fff;
  margin-bottom: 22px;
  letter-spacing: -0.02em;
}
.hero__title span {
  background: linear-gradient(135deg, var(--accent2), var(--accent3));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero__desc {
  font-size: 1.05rem;
  color: var(--text2);
  margin-bottom: 36px;
  max-width: 520px;
  line-height: 1.7;
}
.hero__actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.hero__stats {
  display: flex;
  gap: 28px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.hero__stat {
  display: flex;
  flex-direction: column;
}
.hero__stat-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
}
.hero__stat-label {
  font-size: 0.78rem;
  color: var(--text3);
  margin-top: 2px;
}
.hero__visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero__card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
  position: relative;
}
.hero__card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: calc(var(--radius-lg) + 1px);
  background: linear-gradient(135deg, rgba(124,58,237,0.4), rgba(168,85,247,0.2), transparent);
  z-index: -1;
}
.platform-badges {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.platform-badge {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  transition: border-color 0.18s;
}
.platform-badge:hover { border-color: var(--accent); }
.platform-badge__icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.platform-badge__name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
}
.platform-badge__sub {
  font-size: 0.75rem;
  color: var(--text3);
  margin-top: 1px;
}
.platform-badge__arrow {
  margin-left: auto;
  color: var(--text3);
  font-size: 1rem;
}

/* SECTION COMMON */
.section { padding: 80px 0; }
.section--alt { background: var(--bg2); }
.section__label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent3);
  margin-bottom: 12px;
}
.section__title {
  font-size: clamp(1.8rem, 2.5vw, 2.6rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 16px;
}
.section__desc {
  font-size: 1rem;
  color: var(--text2);
  max-width: 600px;
  line-height: 1.7;
}

/* FEATURE ROW (alternating like fly.io) */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 60px 0;
  border-bottom: 1px solid var(--border);
}
.feature-row:last-child { border-bottom: none; }
.feature-row--reverse .feature-row__text { order: 2; }
.feature-row--reverse .feature-row__visual { order: 1; }
.feature-row__title {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
  line-height: 1.25;
}
.feature-row__desc {
  font-size: 0.95rem;
  color: var(--text2);
  line-height: 1.7;
  margin-bottom: 20px;
}
.feature-row__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.feature-row__list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text2);
}
.feature-row__list li::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--accent2);
  border-radius: 50%;
  margin-top: 7px;
  flex-shrink: 0;
}
.feature-row__visual-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.feature-row__visual-box::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 180px;
  height: 180px;
  background: radial-gradient(ellipse, rgba(124,58,237,0.18) 0%, transparent 70%);
}

/* MINI STATS ROW */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.stats-grid__item {
  background: var(--bg2);
  padding: 36px 28px;
  text-align: center;
}
.stats-grid__num {
  font-size: 2rem;
  font-weight: 900;
  color: #fff;
  margin-bottom: 6px;
}
.stats-grid__num span { color: var(--accent3); }
.stats-grid__label {
  font-size: 0.82rem;
  color: var(--text3);
}

/* PLATFORM GRID */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}
.platform-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: border-color 0.2s, transform 0.2s;
}
.platform-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}
.platform-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.platform-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}
.platform-card__desc {
  font-size: 0.875rem;
  color: var(--text2);
  line-height: 1.65;
  margin-bottom: 18px;
}
.platform-card__cta {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent3);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  background: none;
  border: none;
  font-family: var(--font);
  padding: 0;
  min-height: 44px;
}
.platform-card__cta:hover { color: var(--accent2); }

/* TRUST STRIP */
.trust-strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 28px 0;
}
.trust-strip__inner {
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
  justify-content: center;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text3);
}
.trust-item__dot {
  width: 6px;
  height: 6px;
  background: var(--accent2);
  border-radius: 50%;
  flex-shrink: 0;
}

/* MAC SECTION */
.mac-section {
  padding: 80px 0;
}
.mac-section__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.mac-window {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,0.5);
}
.mac-window__bar {
  background: #1a1c2e;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 7px;
  border-bottom: 1px solid var(--border);
}
.mac-dot { width: 11px; height: 11px; border-radius: 50%; }
.mac-dot--red { background: #ff5f57; }
.mac-dot--yellow { background: #febc2e; }
.mac-dot--green { background: #28c840; }
.mac-window__title-bar {
  margin: 0 auto;
  font-size: 0.72rem;
  color: var(--text3);
  font-weight: 600;
}
.mac-window__body { padding: 24px; }
.mac-chart-area {
  background: var(--bg3);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 16px;
}
.mac-chart-title {
  font-size: 0.78rem;
  color: var(--text3);
  margin-bottom: 12px;
  font-weight: 600;
}
.mac-chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  height: 70px;
}
.mac-bar {
  flex: 1;
  background: linear-gradient(180deg, var(--accent2), var(--accent));
  border-radius: 3px 3px 0 0;
  opacity: 0.85;
}
.mac-info-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
}
.mac-pair { display: flex; flex-direction: column; }
.mac-pair__label { font-size: 0.7rem; color: var(--text3); margin-bottom: 2px; }
.mac-pair__val { font-size: 0.92rem; font-weight: 700; color: #fff; }
.mac-pair__val--up { color: #34d399; }

/* CTA BAND */
.cta-band {
  background: linear-gradient(135deg, #1a0e3a, #2d1060, #1a0e3a);
  border: 1px solid rgba(124,58,237,0.3);
  border-radius: var(--radius-lg);
  margin: 0 24px;
  padding: 64px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(168,85,247,0.18) 0%, transparent 70%);
  pointer-events: none;
}
.cta-band__title {
  font-size: clamp(1.8rem, 2.5vw, 2.4rem);
  font-weight: 900;
  color: #fff;
  margin-bottom: 14px;
}
.cta-band__desc {
  font-size: 1rem;
  color: var(--text2);
  margin-bottom: 32px;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}
.cta-band__btns {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* FOOTER */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 56px 0 32px;
  margin-top: 80px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer__brand-name {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer__brand-desc {
  font-size: 0.82rem;
  color: var(--text3);
  line-height: 1.65;
  max-width: 240px;
}
.footer__col-title {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: 16px;
}
.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer__links a {
  font-size: 0.85rem;
  color: var(--text3);
  transition: color 0.15s;
}
.footer__links a:hover { color: var(--text2); }
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--text3);
  flex-wrap: wrap;
  gap: 12px;
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__visual { order: -1; }
  .feature-row { grid-template-columns: 1fr; gap: 32px; }
  .feature-row--reverse .feature-row__text { order: unset; }
  .feature-row--reverse .feature-row__visual { order: unset; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .platform-grid { grid-template-columns: repeat(2, 1fr); }
  .mac-section__inner { grid-template-columns: 1fr; gap: 40px; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .nav__links { display: none; }
}
@media (max-width: 600px) {
  .hero { padding: 56px 0 48px; }
  .section { padding: 56px 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .platform-grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .cta-band { padding: 40px 20px; margin: 0 12px; }
  .hero__title { font-size: 2rem; }
  .hero__card { max-width: 100%; }
  .trust-strip__inner { gap: 20px; }
  .hero__stats { gap: 18px; }
}
@media (max-width: 390px) {
  .container { padding: 0 16px; }
  .hero__title { font-size: 1.85rem; }
  .btn-lg { padding: 12px 22px; font-size: 0.92rem; }
}