:root {
  --ink: #12121a;
  --paper: #ffffff;
  --muted: #5c5c6e;
  --line: #e7e7f0;
  --line-strong: #d3d3e3;
  --alt-bg: #f6f5fb;

  --grad-1: #6d5bff;
  --grad-2: #22d3ee;
  --grad-3: #ff5fa8;

  --gradient: linear-gradient(120deg, var(--grad-1), var(--grad-2) 55%, var(--grad-3));
  --gradient-soft: linear-gradient(120deg, color-mix(in srgb, var(--grad-1) 100%, transparent), color-mix(in srgb, var(--grad-2) 100%, transparent));

  --max-width: 880px;

  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f2f2f7;
    --paper: #0a0a10;
    --muted: #9b9bb0;
    --line: #23232f;
    --line-strong: #34344a;
    --alt-bg: #101018;

    --grad-1: #8b7bff;
    --grad-2: #37e2ff;
    --grad-3: #ff77b8;
  }
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

::selection {
  background: var(--grad-1);
  color: #fff;
}

a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 2px solid var(--grad-1);
  outline-offset: 3px;
  border-radius: 2px;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
}

/* Decorative background blobs */
.bg-blobs {
  position: fixed;
  inset: 0;
  overflow: hidden;
  z-index: -1;
  pointer-events: none;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.35;
}

.blob-1 {
  width: 480px;
  height: 480px;
  top: -160px;
  left: -120px;
  background: var(--grad-1);
}

.blob-2 {
  width: 420px;
  height: 420px;
  top: 120px;
  right: -140px;
  background: var(--grad-2);
  opacity: 0.28;
}

.blob-3 {
  width: 380px;
  height: 380px;
  bottom: -160px;
  left: 30%;
  background: var(--grad-3);
  opacity: 0.22;
}

@media (prefers-color-scheme: dark) {
  .blob { opacity: 0.28; }
}

.site-header {
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--paper) 80%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 9px;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.logo-mark {
  width: 20px;
  height: 20px;
  border-radius: 6px;
  background: var(--gradient);
  box-shadow: 0 2px 10px color-mix(in srgb, var(--grad-1) 45%, transparent);
}

nav {
  display: flex;
  align-items: center;
}

nav a {
  position: relative;
  color: var(--muted);
  text-decoration: none;
  margin-left: 24px;
  font-size: 0.95rem;
  transition: color 160ms ease;
}

nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -3px;
  height: 2px;
  border-radius: 2px;
  background: var(--gradient);
  transition: right 200ms var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
  nav a:hover {
    color: var(--ink);
  }

  nav a:hover::after {
    right: 0;
  }
}

.hero {
  padding: 110px 0 84px;
  opacity: 0;
  transform: translateY(8px);
  animation: rise 500ms var(--ease-out) forwards;
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 14px;
}

.hero h1 {
  font-size: 2.6rem;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  max-width: 660px;
}

.grad-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lede {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 560px;
  margin: 0 0 32px;
}

.btn {
  display: inline-block;
  background: var(--gradient);
  background-size: 160% 160%;
  background-position: 0% 50%;
  color: #fff;
  padding: 13px 24px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: 0 8px 24px color-mix(in srgb, var(--grad-1) 35%, transparent);
  transition: transform 160ms var(--ease-out), box-shadow 200ms ease, background-position 400ms var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
  .btn:hover {
    background-position: 100% 50%;
    box-shadow: 0 10px 28px color-mix(in srgb, var(--grad-1) 50%, transparent);
  }
}

.btn:active {
  transform: scale(0.97);
}

.section {
  padding: 72px 0;
  border-top: 1px solid var(--line);
}

.section.alt {
  background: var(--alt-bg);
}

.section h2 {
  font-size: 1.6rem;
  letter-spacing: -0.01em;
  margin: 0 0 24px;
}

.card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px;
  max-width: 480px;
  background: var(--paper);
  transition: border-color 200ms ease, transform 200ms var(--ease-out), box-shadow 200ms var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
  .card:hover {
    border-color: transparent;
    transform: translateY(-3px);
    box-shadow: 0 14px 32px color-mix(in srgb, var(--grad-1) 18%, transparent),
                0 0 0 1px color-mix(in srgb, var(--grad-2) 40%, var(--line));
  }
}

.card-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--gradient);
  color: #fff;
  font-weight: 700;
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 1.15rem;
}

.card p {
  color: var(--muted);
  margin: 0 0 12px;
}

.card a {
  color: var(--grad-1);
  font-weight: 600;
  text-decoration: none;
  background-image: linear-gradient(var(--grad-1), var(--grad-1));
  background-size: 0% 1.5px;
  background-repeat: no-repeat;
  background-position: 0 100%;
  transition: background-size 200ms var(--ease-out);
  padding-bottom: 1px;
}

@media (hover: hover) and (pointer: fine) {
  .card a:hover {
    background-size: 100% 1.5px;
  }
}

.email {
  color: var(--ink);
  font-size: 1.05rem;
  text-decoration: none;
  font-weight: 500;
  background-image: linear-gradient(var(--gradient));
  background-size: 0% 2px;
  background-repeat: no-repeat;
  background-position: 0 100%;
  transition: background-size 200ms var(--ease-out);
  padding-bottom: 2px;
}

@media (hover: hover) and (pointer: fine) {
  .email:hover {
    background-size: 100% 2px;
  }
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 32px 0;
}

.site-footer p {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0;
}

@keyframes rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .card,
  .btn,
  nav a::after {
    transition: none;
  }

  .card:hover {
    transform: none;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 72px 0 56px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .header-inner {
    height: 56px;
  }

  nav a {
    margin-left: 16px;
  }

  .blob {
    filter: blur(60px);
  }
}