/* CloudSQL Autoscaler — brand site
   Design language adapted from keycard.ai: near-black canvas, faint grid,
   Geist / Geist Mono type, a violet accent with a green "live" status, and a
   signature animated console window. Motion is defined here; app.js drives it. */

:root {
  --bg: #08080b;
  --bg-2: #0c0c11;
  --panel: #101017;
  --panel-2: #16161f;
  --line: rgba(255, 255, 255, 0.07);
  --line-2: rgba(255, 255, 255, 0.13);

  --text: #f5f5f8;
  --muted: #9a9aa8;
  --dim: #61616d;

  --violet: #a78bfa;
  --violet-2: #8b5cf6;
  --violet-soft: rgba(139, 92, 246, 0.14);
  --green: #34d399;
  --green-2: #10b981;
  --amber: #fbbf24;
  --cyan: #38bdf8;

  --sans: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;
  --mono: "Geist Mono", "SF Mono", ui-monospace, "JetBrains Mono", Menlo,
    Consolas, monospace;
  --maxw: 1160px;
  --radius: 14px;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--muted);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1,
h2,
h3 {
  color: var(--text);
  margin: 0;
  line-height: 1.08;
  letter-spacing: -0.03em;
  font-weight: 600;
}
p {
  margin: 0 0 1rem;
}
a {
  color: var(--text);
  text-decoration: none;
}
a:hover {
  color: var(--violet);
}
.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.mono {
  font-family: var(--mono);
}
.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--violet);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.eyebrow::before {
  content: "";
  width: 14px;
  height: 1px;
  background: var(--violet);
  opacity: 0.6;
}
.lede {
  font-size: 1.12rem;
  color: var(--muted);
  max-width: 56ch;
}

/* ---------- Grid backdrop ---------- */
.grid-bg {
  position: relative;
}
.grid-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(
    120% 90% at 50% 0%,
    #000 30%,
    transparent 78%
  );
  mask-image: radial-gradient(120% 90% at 50% 0%, #000 30%, transparent 78%);
  opacity: 0.6;
}

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(8, 8, 11, 0.72);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.brand:hover {
  color: var(--text);
}
.brand img {
  width: 26px;
  height: 26px;
  border-radius: 7px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.nav-links a {
  color: var(--muted);
  font-size: 0.9rem;
}
.nav-links a:hover {
  color: var(--text);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.05rem;
  border-radius: 9px;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.9rem;
  border: 1px solid var(--line-2);
  color: var(--text);
  background: transparent;
  cursor: pointer;
  transition: transform 0.14s ease, background 0.14s ease,
    border-color 0.14s ease, box-shadow 0.14s ease;
}
.btn:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.04);
  transform: translateY(-1px);
}
.btn svg {
  width: 16px;
  height: 16px;
}
.btn-primary {
  background: #ece7ff;
  border-color: #ece7ff;
  color: #1a1030;
  font-weight: 600;
}
.btn-primary:hover {
  background: #fff;
  border-color: #fff;
  color: #1a1030;
  box-shadow: 0 8px 26px rgba(167, 139, 250, 0.35);
}
.btn-lg {
  padding: 0.75rem 1.35rem;
  font-size: 0.95rem;
  border-radius: 10px;
}

/* ---------- Hero ---------- */
.hero {
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.hero-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 5.5rem 1.5rem 4rem;
}
.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.1rem);
  margin: 1.2rem 0 1.3rem;
  max-width: 15ch;
}
.hero h1 .hl {
  color: var(--violet);
}
.hero .lede {
  margin-bottom: 2rem;
}
.hero-cta {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  flex-wrap: wrap;
}
.hero-aside {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--dim);
}
.hero-aside .cmd {
  color: var(--muted);
  border: 1px solid var(--line);
  background: var(--bg-2);
  padding: 0.35rem 0.6rem;
  border-radius: 7px;
}
.hero-aside .cmd .sig {
  color: var(--green);
}

/* ---------- Console window (animated hero) ---------- */
.console {
  margin: 3.5rem auto 0;
  max-width: 940px;
  background: linear-gradient(180deg, var(--panel), var(--bg-2));
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.6),
    0 0 0 1px rgba(167, 139, 250, 0.04);
  overflow: hidden;
}
.console-bar {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.7rem 0.95rem;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.015);
}
.dots {
  display: inline-flex;
  gap: 0.4rem;
}
.dots i {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #2a2a33;
}
.console-title {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--violet);
  text-transform: uppercase;
}
.console-status {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}
.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.6);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.5);
  }
  70% {
    box-shadow: 0 0 0 7px rgba(52, 211, 153, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(52, 211, 153, 0);
  }
}
.console-tabs {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0.95rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.76rem;
}
.tab {
  padding: 0.28rem 0.6rem;
  border-radius: 6px;
  color: var(--dim);
  border: 1px solid transparent;
}
.tab.active {
  color: var(--text);
  background: var(--panel-2);
  border-color: var(--line);
}
.tab-more {
  color: var(--dim);
}
.mtype {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text);
  background: var(--violet-soft);
  border: 1px solid rgba(139, 92, 246, 0.35);
  padding: 0.26rem 0.62rem;
  border-radius: 999px;
  transition: transform 0.35s cubic-bezier(0.2, 0.9, 0.3, 1), color 0.35s ease;
}
.mtype .caret {
  color: var(--violet);
}
.mtype.flip {
  animation: flip 0.55s cubic-bezier(0.2, 0.9, 0.3, 1);
}
@keyframes flip {
  0% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-6px);
    opacity: 0.2;
  }
  60% {
    transform: translateY(6px);
    opacity: 0.2;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}
.console-body {
  position: relative;
  padding: 1rem 1.1rem 0.4rem;
}
.chart-wrap {
  position: relative;
  width: 100%;
  height: 240px;
}
#cpu {
  width: 100%;
  height: 100%;
  display: block;
}
.chart-legend {
  position: absolute;
  top: 0.35rem;
  left: 0.35rem;
  display: flex;
  gap: 1rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--dim);
}
.chart-legend span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}
.chart-legend i {
  width: 10px;
  height: 2px;
  border-radius: 2px;
  display: inline-block;
}
.i-util {
  background: var(--green);
}
.i-p95 {
  background: var(--violet);
}
.savings {
  position: absolute;
  right: 1.2rem;
  top: 40%;
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  background: rgba(52, 211, 153, 0.14);
  color: #6ee7b7;
  border: 1px solid rgba(52, 211, 153, 0.4);
  opacity: 0;
  pointer-events: none;
}
.savings.up {
  background: rgba(251, 191, 36, 0.14);
  color: #fcd34d;
  border-color: rgba(251, 191, 36, 0.4);
}
.savings.show {
  animation: floatUp 2.2s ease forwards;
}
@keyframes floatUp {
  0% {
    opacity: 0;
    transform: translateY(14px) scale(0.96);
  }
  18% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  80% {
    opacity: 1;
    transform: translateY(-6px);
  }
  100% {
    opacity: 0;
    transform: translateY(-26px);
  }
}
.console-log {
  border-top: 1px solid var(--line);
  padding: 0.7rem 1.1rem;
  min-height: 3.1rem;
  font-family: var(--mono);
  font-size: 0.76rem;
  line-height: 1.7;
  color: var(--muted);
}
.console-log .ln {
  display: block;
  white-space: nowrap;
  overflow: hidden;
}
.console-log .t {
  color: var(--dim);
}
.console-log .ok {
  color: var(--green);
}
.console-log .up {
  color: var(--amber);
}
.console-log .id {
  color: var(--violet);
}
.console-foot {
  display: flex;
  gap: 1.4rem;
  flex-wrap: wrap;
  padding: 0.6rem 1.1rem;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--dim);
  background: rgba(255, 255, 255, 0.015);
}
.console-foot b {
  color: var(--muted);
  font-weight: 500;
}

/* ---------- Sections ---------- */
section {
  padding: 6rem 0;
  border-bottom: 1px solid var(--line);
}
.section-head {
  max-width: 60ch;
  margin-bottom: 3rem;
}
.section-head h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  margin: 0.9rem 0 0.8rem;
}

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.reveal.in {
  opacity: 1;
  transform: none;
}
.reveal.d1 {
  transition-delay: 0.08s;
}
.reveal.d2 {
  transition-delay: 0.16s;
}
.reveal.d3 {
  transition-delay: 0.24s;
}

/* ---------- Steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.step {
  border-top: 1px solid var(--line-2);
  padding-top: 1.2rem;
}
.step .num {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--violet);
  letter-spacing: 0.1em;
}
.step h3 {
  font-size: 1.15rem;
  margin: 0.6rem 0 0.4rem;
}
.step p {
  color: var(--muted);
  font-size: 0.96rem;
  margin: 0;
}

/* ---------- Features ---------- */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.feature {
  background: var(--bg);
  padding: 1.9rem 1.6rem;
  transition: background 0.18s ease;
}
.feature:hover {
  background: var(--panel);
}
.feature .ico {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--violet-soft);
  color: var(--violet);
  margin-bottom: 1.1rem;
}
.feature .ico svg {
  width: 20px;
  height: 20px;
}
.feature h3 {
  font-size: 1.08rem;
  margin-bottom: 0.5rem;
}
.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}
.feature p b {
  color: var(--text);
  font-weight: 600;
}
.feature p .amber {
  color: var(--amber);
}
code {
  font-family: var(--mono);
  font-size: 0.85em;
  color: var(--violet);
  background: var(--panel-2);
  border: 1px solid var(--line);
  padding: 0.08em 0.36em;
  border-radius: 5px;
}

/* ---------- Deploy ---------- */
.deploy {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.code-card {
  background: var(--panel);
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.code-card .code-head {
  padding: 0.8rem 1.1rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.code-card .code-head svg {
  width: 16px;
  height: 16px;
  color: var(--violet);
}
.code-card pre {
  margin: 0;
  padding: 1.1rem;
  overflow-x: auto;
  flex: 1;
}
.code-card code {
  background: none;
  border: none;
  padding: 0;
  color: #cdd0dc;
  font-size: 0.79rem;
  line-height: 1.75;
}
.code-card .cmt {
  color: var(--dim);
}
.code-card .flag {
  color: var(--green);
}
.code-card .foot {
  padding: 0.8rem 1.1rem;
  border-top: 1px solid var(--line);
  font-size: 0.82rem;
  color: var(--dim);
}
.endpoints {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.6rem;
}
.endpoints span {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  padding: 0.38rem 0.75rem;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  background: var(--bg-2);
}

/* ---------- CTA ---------- */
.cta-sec {
  border-bottom: none;
}
.cta {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-2);
  border-radius: 20px;
  padding: 4rem 2rem;
  text-align: center;
  background: radial-gradient(
      90% 140% at 50% 0%,
      rgba(139, 92, 246, 0.18),
      transparent 60%
    ),
    var(--panel);
}
.cta h2 {
  font-size: clamp(1.9rem, 3.6vw, 2.8rem);
  margin-bottom: 0.9rem;
}
.cta p {
  color: var(--muted);
  max-width: 50ch;
  margin: 0 auto 2rem;
}
.cta-row {
  display: flex;
  gap: 0.9rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Footer ---------- */
.footer {
  padding: 3rem 0;
}
.footer .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 0.78rem;
}
.footer a {
  color: var(--dim);
}
.footer a:hover {
  color: var(--violet);
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .steps,
  .features,
  .deploy {
    grid-template-columns: 1fr;
  }
  .hero-inner {
    padding-top: 3.5rem;
  }
  section {
    padding: 4rem 0;
  }
}
@media (max-width: 560px) {
  .nav-links .hide-sm {
    display: none;
  }
  .chart-wrap {
    height: 200px;
  }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}