/* Deckhand — Ethereal Glass / Asymmetrical Bento
   Fonts: Clash Display (display) + General Sans (body) via Fontshare */

:root {
  --bg: #050505;
  --card: #0b0b0e;
  --card-inner: #101014;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);
  --text-hi: rgba(255, 255, 255, 0.93);
  --text-mid: rgba(255, 255, 255, 0.58);
  --text-lo: rgba(255, 255, 255, 0.36);
  --accent: #34d399;
  --accent-dim: rgba(52, 211, 153, 0.12);
  --violet: rgba(139, 122, 255, 0.16);
  --ease: cubic-bezier(0.32, 0.72, 0, 1);
  --r-outer: 1.6rem;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text-mid);
  font-family: "General Sans", -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ambient mesh */
.mesh {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(42rem 30rem at 78% -8%, var(--accent-dim), transparent 62%),
    radial-gradient(38rem 28rem at 8% 12%, var(--violet), transparent 60%),
    radial-gradient(50rem 40rem at 50% 118%, rgba(52, 211, 153, 0.07), transparent 60%);
}

/* film grain */
.grain {
  position: fixed;
  inset: 0;
  z-index: 60;
  pointer-events: none;
  opacity: 0.032;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

main { position: relative; z-index: 1; }

.wrap { max-width: 72rem; margin: 0 auto; padding: 0 1.5rem; }

h1, h2, h3, .display {
  font-family: "Clash Display", -apple-system, sans-serif;
  color: var(--text-hi);
  letter-spacing: -0.02em;
  line-height: 1.05;
  font-weight: 500;
}

h1 { font-size: clamp(2.6rem, 6vw, 4.4rem); }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.7rem); }

a { color: inherit; text-decoration: none; }

/* floating island nav */
nav {
  position: sticky;
  top: 1.25rem;
  z-index: 40;
  width: max-content;
  max-width: calc(100% - 2rem);
  margin: 1.25rem auto 0;
  display: flex;
  align-items: center;
  gap: 1.4rem;
  padding: 0.55rem 0.7rem 0.55rem 1.2rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(10, 10, 13, 0.66);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
nav .logo {
  font-family: "Clash Display", sans-serif;
  color: var(--text-hi);
  font-size: 1.02rem;
  letter-spacing: 0.01em;
}
nav .logo span { color: var(--accent); }
nav .links { display: flex; gap: 1.15rem; font-size: 0.86rem; }
nav .links a { color: var(--text-mid); transition: color 0.45s var(--ease); }
nav .links a:hover { color: var(--text-hi); }
@media (max-width: 767px) { nav .links { display: none; } }

/* pill buttons, button-in-button */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.42rem 0.5rem 0.42rem 1.35rem;
  border-radius: 999px;
  font-size: 0.94rem;
  font-weight: 500;
  color: #04120c;
  background: var(--accent);
  transition: transform 0.6s var(--ease), filter 0.6s var(--ease);
  cursor: pointer;
  border: none;
}
.btn:hover { transform: scale(1.02); filter: brightness(1.06); }
.btn:active { transform: scale(0.98); }
.btn .orb {
  width: 1.85rem;
  height: 1.85rem;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(4, 18, 12, 0.14);
  font-size: 0.9rem;
  transition: transform 0.6s var(--ease);
}
.btn:hover .orb { transform: translate(2px, -2px); }

.btn.ghost {
  background: transparent;
  color: var(--text-hi);
  border: 1px solid var(--line-strong);
}
.btn.ghost .orb { background: rgba(255, 255, 255, 0.08); color: var(--text-hi); }

/* eyebrow */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.32rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  font-size: 0.66rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-mid);
}
.eyebrow i {
  width: 0.38rem;
  height: 0.38rem;
  border-radius: 50%;
  background: var(--accent);
}

/* double-bezel card */
.bezel {
  border-radius: var(--r-outer);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
  padding: 0.4rem;
}
.bezel > .core {
  border-radius: calc(var(--r-outer) - 0.35rem);
  background: linear-gradient(180deg, var(--card-inner), var(--card));
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.06);
  height: 100%;
  padding: 1.7rem;
}

/* sections breathe */
section { padding: 6.5rem 0; }

/* bento grid */
.bento {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.1rem;
}
.bento .b8 { grid-column: span 8; }
.bento .b7 { grid-column: span 7; }
.bento .b6 { grid-column: span 6; }
.bento .b5 { grid-column: span 5; }
.bento .b4 { grid-column: span 4; }
@media (max-width: 767px) {
  .bento { grid-template-columns: 1fr; }
  .bento .b8, .bento .b7, .bento .b6, .bento .b5, .bento .b4 { grid-column: auto; }
  section { padding: 4.5rem 0; }
}

/* scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(2.6rem);
  filter: blur(10px);
  transition: opacity 0.95s var(--ease), transform 0.95s var(--ease), filter 0.95s var(--ease);
}
.reveal.in { opacity: 1; transform: translateY(0); filter: blur(0); }

/* chat demo */
.chat-demo { font-size: 0.92rem; }
.chat-demo .msg {
  padding: 0.75rem 1rem;
  border-radius: 0.9rem;
  margin-bottom: 0.7rem;
  max-width: 88%;
}
.chat-demo .user {
  margin-left: auto;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-hi);
}
.chat-demo .ai {
  background: rgba(52, 211, 153, 0.08);
  border: 1px solid rgba(52, 211, 153, 0.18);
  color: var(--text-mid);
}
.chat-demo .ai strong { color: var(--accent); font-weight: 500; }
.cardrow { display: grid; gap: 0.55rem; margin-top: 0.9rem; }
.flashcard {
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  padding: 0.7rem 0.95rem;
  font-size: 0.86rem;
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-mid);
}
.flashcard b { color: var(--accent); font-weight: 500; }
.tagchip {
  display: inline-block;
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  color: var(--text-lo);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.1rem 0.55rem;
  margin-left: 0.5rem;
}

/* steps */
.step {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1.2rem;
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--line);
}
.step:last-child { border-bottom: none; }
.stepnum {
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Clash Display", sans-serif;
  color: var(--accent);
  font-size: 0.95rem;
}
.step h3 { font-size: 1.15rem; margin-bottom: 0.35rem; }

code, pre {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.82rem;
}
.codebox {
  position: relative;
  background: #070709;
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  padding: 0.95rem 1.1rem;
  overflow-x: auto;
  color: var(--text-mid);
  white-space: pre;
}
.copybtn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-lo);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.28rem 0.7rem;
  cursor: pointer;
  transition: color 0.4s var(--ease);
}
.copybtn:hover { color: var(--text-hi); }

.callout {
  border: 1px solid rgba(52, 211, 153, 0.25);
  background: rgba(52, 211, 153, 0.06);
  border-radius: 0.9rem;
  padding: 0.9rem 1.15rem;
  font-size: 0.88rem;
  color: var(--text-mid);
}
.callout strong { color: var(--accent); font-weight: 500; }

/* pricing */
.pricebig {
  font-family: "Clash Display", sans-serif;
  font-size: 3rem;
  color: var(--text-hi);
}
.pricebig span { font-size: 1rem; color: var(--text-lo); font-family: "General Sans", sans-serif; }
table.cmp { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
table.cmp th, table.cmp td { padding: 0.75rem 0.9rem; text-align: left; border-bottom: 1px solid var(--line); }
table.cmp th { color: var(--text-hi); font-weight: 500; }
table.cmp td:first-child { color: var(--text-mid); }
.yes { color: var(--accent); }
.no { color: var(--text-lo); }

footer {
  border-top: 1px solid var(--line);
  padding: 2.6rem 0 3.4rem;
  font-size: 0.82rem;
  color: var(--text-lo);
  position: relative;
  z-index: 1;
}
footer .wrap { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
footer a:hover { color: var(--text-hi); }