/* ============================================================
   cl-agent landing — modern, dark, Resend-inspired
   ============================================================ */

:root {
  --bg: #050505;
  --bg-2: #0a0a0c;
  --panel: #0e0e11;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #f5f5f7;
  --text-dim: #9a9aa3;
  --text-muted: #6a6a73;

  --accent: #b794ff;       /* lavender */
  --accent-2: #6ee7ff;     /* cyan */
  --accent-3: #ff8bd1;     /* pink */
  --accent-glow: rgba(183, 148, 255, 0.45);

  --green: #4ade80;
  --yellow: #facc15;
  --red: #f87171;

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;

  --max: 1180px;

  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas,
    monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body {
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(183, 148, 255, 0.12), transparent 60%),
    radial-gradient(900px 500px at 0% 10%, rgba(110, 231, 255, 0.08), transparent 60%),
    var(--bg);
}

/* Subtle grain overlay */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.06;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.7 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

code {
  font-family: var(--font-mono);
  font-size: 0.92em;
}

pre {
  margin: 0;
  font-family: var(--font-mono);
}

button {
  font-family: inherit;
  cursor: pointer;
}

/* ============================================================
   Nav
   ============================================================ */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 28px;
  max-width: var(--max);
  margin: 0 auto;
  background: linear-gradient(180deg, rgba(5, 5, 5, 0.85), rgba(5, 5, 5, 0.45) 70%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.nav::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-bottom: 1px solid transparent;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: -0.01em;
  font-size: 15px;
}

.logo-mark {
  display: inline-flex;
  gap: 3px;
  padding: 6px 7px;
  border-radius: 7px;
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.03);
}

.logo-mark .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-dim);
}

.logo-mark .dot:nth-child(1) {
  background: var(--red);
}
.logo-mark .dot:nth-child(2) {
  background: var(--yellow);
}
.logo-mark .dot:nth-child(3) {
  background: var(--green);
}

.logo-word {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
}

.nav-links {
  display: flex;
  gap: 28px;
  margin-left: 40px;
  flex: 1;
}

.nav-links a {
  font-size: 14px;
  color: var(--text-dim);
}

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

.nav-cta {
  font-size: 13.5px;
  padding: 9px 14px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  white-space: nowrap;
}

.nav-cta:hover {
  background: rgba(255, 255, 255, 0.08);
}

@media (max-width: 720px) {
  .nav-links {
    display: none;
  }
  .nav {
    padding: 14px 18px;
  }
}

/* ============================================================
   Hero
   ============================================================ */

.hero {
  position: relative;
  min-height: 92vh;
  padding: 60px 28px 80px;
  display: grid;
  place-items: center;
  overflow: hidden;
  isolation: isolate;
}

#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  display: block;
  opacity: 0.95;
}

.hero-glow {
  position: absolute;
  inset: -10% -10% auto -10%;
  height: 80%;
  z-index: -1;
  background:
    radial-gradient(closest-side at 50% 40%, rgba(183, 148, 255, 0.35), transparent 70%),
    radial-gradient(closest-side at 70% 30%, rgba(110, 231, 255, 0.25), transparent 70%),
    radial-gradient(closest-side at 25% 60%, rgba(255, 139, 209, 0.18), transparent 70%);
  filter: blur(40px);
  opacity: 0.7;
  pointer-events: none;
}

.hero-inner {
  max-width: 880px;
  text-align: center;
  position: relative;
  z-index: 2;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.04);
  font-size: 12.5px;
  color: var(--text-dim);
  font-weight: 500;
  margin-bottom: 28px;
  backdrop-filter: blur(8px);
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px rgba(74, 222, 128, 0.7);
  animation: pulse 1.8s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(0.85); }
}

.hero-title {
  font-size: clamp(40px, 7vw, 84px);
  line-height: 1.02;
  letter-spacing: -0.035em;
  font-weight: 700;
  margin: 0 0 22px;
  color: #ffffff;
  text-wrap: balance;
}

.grad {
  background: linear-gradient(110deg, var(--accent-2) 0%, var(--accent) 50%, var(--accent-3) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-size: 200% 100%;
  animation: shimmer 8s ease-in-out infinite;
}

@keyframes shimmer {
  0%, 100% { background-position: 0% 50%; }
  50%      { background-position: 100% 50%; }
}

.hero-sub {
  font-size: clamp(16px, 1.5vw, 19px);
  color: var(--text-dim);
  max-width: 620px;
  margin: 0 auto 36px;
  line-height: 1.55;
}

.hero-cta {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 500;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: #ffffff;
  color: #000;
  box-shadow: 0 8px 30px rgba(255, 255, 255, 0.12), 0 1px 0 rgba(0, 0, 0, 0.5);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 40px rgba(255, 255, 255, 0.18);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  border-color: var(--border-strong);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.25);
}

.hero-quick {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 8px 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: rgba(10, 10, 12, 0.65);
  backdrop-filter: blur(8px);
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--text);
  margin-bottom: 30px;
}

.hero-quick code::before {
  content: "$ ";
  color: var(--text-muted);
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-dim);
  font-size: 12px;
  font-family: var(--font-sans);
  font-weight: 500;
  transition: all 0.2s ease;
}

.copy-btn:hover {
  color: var(--text);
  border-color: var(--border-strong);
  background: rgba(255, 255, 255, 0.08);
}

.copy-btn.copied {
  color: var(--green);
  border-color: rgba(74, 222, 128, 0.4);
}

.copy-btn.small {
  padding: 5px 10px;
}

.hero-providers {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 14px;
  font-size: 12.5px;
  color: var(--text-muted);
  letter-spacing: 0.01em;
  text-transform: uppercase;
  font-weight: 500;
}

.hero-scroll {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  width: 22px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  display: grid;
  place-items: start center;
  padding-top: 6px;
  opacity: 0.5;
}

.hero-scroll span {
  width: 2px;
  height: 8px;
  background: var(--text);
  border-radius: 2px;
  animation: scrollHint 1.6s ease-in-out infinite;
}

@keyframes scrollHint {
  0%, 100% { transform: translateY(0); opacity: 0.9; }
  50%      { transform: translateY(10px); opacity: 0.2; }
}

/* ============================================================
   Sections
   ============================================================ */

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 110px 28px;
  position: relative;
  z-index: 2;
}

.section-head {
  max-width: 720px;
  margin: 0 auto 56px;
  text-align: center;
}

.eyebrow {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 14px;
}

.section-head h2 {
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.08;
  letter-spacing: -0.025em;
  font-weight: 700;
  margin: 0 0 16px;
  text-wrap: balance;
}

.section-head p {
  color: var(--text-dim);
  font-size: 17px;
  margin: 0;
}

/* ============================================================
   Features grid
   ============================================================ */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

@media (max-width: 900px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .feature-grid { grid-template-columns: 1fr; }
}

.feature {
  position: relative;
  padding: 28px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.025), rgba(255, 255, 255, 0.005));
  transition: border-color 0.25s ease, transform 0.25s ease, background 0.25s ease;
  overflow: hidden;
}

.feature::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(183, 148, 255, 0.4), transparent 40%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.feature:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

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

.feature-icon {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.04);
  color: var(--accent);
  margin-bottom: 18px;
}

.feature-icon svg {
  width: 18px;
  height: 18px;
}

.feature h3 {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
  color: var(--text);
}

.feature p {
  font-size: 14px;
  color: var(--text-dim);
  margin: 0;
  line-height: 1.6;
}

.feature p code {
  background: rgba(255, 255, 255, 0.06);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 12.5px;
  color: var(--text);
}

/* ============================================================
   Demo terminal
   ============================================================ */

.section-demo {
  max-width: 1080px;
}

.terminal {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-strong);
  background: linear-gradient(180deg, #0d0d10, #08080a);
  box-shadow:
    0 60px 120px -40px rgba(183, 148, 255, 0.25),
    0 30px 60px -30px rgba(0, 0, 0, 0.8),
    inset 0 0 0 1px rgba(255, 255, 255, 0.02);
  overflow: hidden;
  pointer-events: none;
  user-select: none;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.6;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}

.tdot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
}

.tdot-r { background: #ff5f57; }
.tdot-y { background: #febc2e; }
.tdot-g { background: #28c840; }

.terminal-title {
  margin-left: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

.terminal-body {
  position: relative;
  padding: 22px 22px 60px;
  height: clamp(420px, 58vh, 680px);
  overflow-y: auto;
  overscroll-behavior: auto;
  scrollbar-width: none;
  scrollbar-gutter: stable;
  color: var(--text);
  background:
    repeating-linear-gradient(180deg, transparent 0 22px, rgba(255, 255, 255, 0.01) 22px 23px);
}

.terminal-body::-webkit-scrollbar {
  width: 0;
  height: 0;
}

#terminal-pre {
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--text);
}

.terminal-cursor {
  display: inline-block;
  width: 8px;
  height: 16px;
  background: var(--accent);
  vertical-align: text-bottom;
  margin-left: 2px;
  animation: blink 1s steps(1) infinite;
  box-shadow: 0 0 10px var(--accent-glow);
}

@keyframes blink {
  50% { opacity: 0; }
}

/* terminal coloring helpers (used by JS) */
.t-prompt { color: var(--accent-2); }
.t-user   { color: var(--text); }
.t-info   { color: var(--text-muted); }
.t-tool   { color: var(--accent); }
.t-warn   { color: var(--yellow); }
.t-ok     { color: var(--green); }
.t-err    { color: var(--red); }
.t-dim    { color: var(--text-muted); }
.t-bold   { color: #fff; font-weight: 600; }

/* ============================================================
   Install
   ============================================================ */

.install-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  max-width: 820px;
  margin: 0 auto;
}

@media (max-width: 600px) {
  .install-grid { grid-template-columns: 1fr; }
}

.code-card {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.025), rgba(255, 255, 255, 0.005));
  overflow: hidden;
}

.code-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: rgba(255, 255, 255, 0.015);
}

.code-card pre {
  padding: 18px 18px;
  overflow-x: auto;
  font-size: 14px;
  color: var(--text);
}

.code-card pre code::before {
  content: "$ ";
  color: var(--text-muted);
}

.install-hint {
  text-align: center;
  font-size: 14px;
  color: var(--text-dim);
  margin: 32px auto 0;
  max-width: 600px;
}

/* ============================================================
   Security
   ============================================================ */

.section-security {
  padding-top: 30px;
}

.security-card {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: center;
  padding: 48px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-strong);
  background:
    radial-gradient(circle at 100% 0%, rgba(183, 148, 255, 0.18), transparent 50%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.005));
}

@media (max-width: 800px) {
  .security-card {
    grid-template-columns: 1fr;
    padding: 32px 24px;
  }
}

.security-card h2 {
  font-size: clamp(24px, 3vw, 36px);
  letter-spacing: -0.02em;
  margin: 8px 0 18px;
}

.security-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  color: var(--text-dim);
  font-size: 15px;
}

.security-list li {
  position: relative;
  padding-left: 22px;
}

.security-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent), transparent 70%);
}

.security-list code {
  background: rgba(255, 255, 255, 0.06);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 12.5px;
  color: var(--text);
}

.security-vis {
  display: grid;
  place-items: center;
}

.lock {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--accent);
  background:
    radial-gradient(circle, rgba(183, 148, 255, 0.18), transparent 65%);
  border: 1px solid var(--border-strong);
  position: relative;
  animation: float 6s ease-in-out infinite;
}

.lock::after {
  content: "";
  position: absolute;
  inset: -20px;
  border-radius: 50%;
  border: 1px dashed rgba(183, 148, 255, 0.25);
  animation: spin 18s linear infinite;
}

.lock svg {
  width: 88px;
  height: 88px;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================================
   Footer
   ============================================================ */

.footer {
  border-top: 1px solid var(--border);
  margin-top: 80px;
  padding: 60px 28px 36px;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.6));
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--border);
}

@media (max-width: 700px) {
  .footer-inner { grid-template-columns: 1fr; }
}

.footer-tag {
  margin: 14px 0 0;
  color: var(--text-muted);
  font-size: 14px;
  max-width: 320px;
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(140px, auto));
  gap: 40px;
}

.footer-cols h4 {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 12px;
  font-weight: 600;
}

.footer-cols a {
  display: block;
  font-size: 14px;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.footer-cols a:hover {
  color: var(--text);
}

.footer-base {
  max-width: var(--max);
  margin: 0 auto;
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12.5px;
  color: var(--text-muted);
}

/* ============================================================
   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;
  }

  #hero-canvas { display: none; }
}