@font-face {
        font-family: "OpenAI Sans";
        font-style: normal;
        font-weight: 400;
        font-display: swap;
        src: url("https://cdn.openai.com/common/fonts/openai-sans/v2/OpenAISans-Regular.woff2") format("woff2");
      }

@font-face {
        font-family: "OpenAI Sans";
        font-style: normal;
        font-weight: 500;
        font-display: swap;
        src: url("https://cdn.openai.com/common/fonts/openai-sans/v2/OpenAISans-Medium.woff2") format("woff2");
      }

@font-face {
        font-family: "OpenAI Sans";
        font-style: normal;
        font-weight: 600;
        font-display: swap;
        src: url("https://cdn.openai.com/common/fonts/openai-sans/v2/OpenAISans-Semibold.woff2") format("woff2");
      }

@font-face {
        font-family: "OpenAI Sans";
        font-style: normal;
        font-weight: 700;
        font-display: swap;
        src: url("https://cdn.openai.com/common/fonts/openai-sans/v2/OpenAISans-Bold.woff2") format("woff2");
      }

:root {
        color-scheme: light;
        --bg: #ffffff;
        --ink: #0a0a0a;
        --muted: #545454;
        --line: #d4d4d4;
        --accent: #23b515;
        --accent-hover: #23b515;
        --accent-strong: #18820f;
        --maxw: 1200px;
      }

* {
        box-sizing: border-box;
      }

::selection {
        background: rgba(111, 214, 138, 0.24);
      }

body {
        margin: 0;
        font: 16px/1.55 "OpenAI Sans", Arial, sans-serif;
        font-feature-settings: "liga" on, "calt" on;
        color: var(--ink);
        background: var(--bg);
        -webkit-font-smoothing: antialiased;
      }

a {
        color: inherit;
      }

a:focus-visible {
        outline: 2px solid var(--accent-strong);
        outline-offset: 4px;
      }

.wrap {
        max-width: var(--maxw);
        margin-inline: auto;
        padding-inline: clamp(20px, 3.2vw, 40px);
      }

.hero {
        padding-block: clamp(44px, 6vw, 76px) clamp(48px, 6vw, 72px);
      }

.hero-grid {
        display: grid;
        gap: clamp(36px, 5vw, 72px);
        grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
        align-items: center;
      }

h1 {
        margin: 0;
        font-size: clamp(2.5rem, 5vw, 4rem);
        line-height: 0.95;
        letter-spacing: -0.045em;
        font-weight: 600;
        text-wrap: balance;
      }

.subtitle {
        margin: 0.7rem 0 0;
        color: var(--ink);
        font-size: 1rem;
        font-weight: 400;
      }

.lead {
        margin: 1rem 0 0;
        color: var(--muted);
        max-width: 48ch;
        font-size: clamp(1.04rem, 1.5vw, 1.16rem);
        text-wrap: pretty;
      }

.cta {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 14px 20px;
        margin-top: 26px;
      }

.btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-height: 46px;
        padding: 0 18px;
        border: 1px solid var(--ink);
        border-radius: 3px;
        text-decoration: none;
        font-weight: 600;
        font-size: 0.9rem;
        transition: color 140ms ease, background-color 140ms ease,
          border-color 140ms ease;
      }

.btn.primary {
        color: #ffffff;
        background: var(--ink);
        border-color: var(--ink);
      }

.btn.primary:hover,
      .btn.primary:focus-visible {
        color: var(--ink);
        background: var(--accent-hover);
        border-color: var(--accent-hover);
      }

.secondary-link {
        display: inline-flex;
        align-items: center;
        min-height: 44px;
        font-weight: 500;
        text-underline-offset: 4px;
        text-decoration-thickness: 1px;
      }

.secondary-link:hover {
        color: var(--accent-strong);
      }

.note {
        margin: 16px 0 0;
        color: var(--muted);
        font-size: 0.8rem;
      }

.note code {
        font-family: "SF Mono", Consolas, "Liberation Mono", ui-monospace,
          monospace;
        font-size: 0.95em;
      }

.demo {
        margin: 0;
        border: 1px solid var(--line);
        overflow: hidden;
        background: #050b12;
      }

.demo img {
        display: block;
        width: 100%;
        height: auto;
      }

.section {
        padding-block: clamp(28px, 4vw, 48px);
      }

.section-features {
        padding-top: 0;
      }

.section-features .wrap {
        border-top: 1px solid var(--line);
      }

.product-section {
        display: grid;
        grid-template-columns: minmax(200px, 0.58fr) minmax(0, 1.42fr);
        align-items: start;
        gap: clamp(24px, 5vw, 72px);
        padding: 28px 0 34px;
        border-bottom: 1px solid var(--line);
      }

.product-section:last-child {
        border-bottom: 0;
      }

.product-title {
        margin: 0;
        font-size: 1.25rem;
        letter-spacing: 0;
        line-height: 1.5;
        font-weight: 600;
        text-wrap: balance;
      }

.product-copy {
        margin: 0;
        color: var(--muted);
        max-width: 68ch;
        text-wrap: pretty;
      }

.section-link {
        display: inline-flex;
        margin-top: 14px;
        color: var(--accent-strong);
        font-weight: 600;
        text-underline-offset: 4px;
        text-decoration-thickness: 1px;
      }

.section-link:hover,
      .section-link:focus-visible {
        color: var(--ink);
      }

footer {
        margin-top: 4px;
      }

.footer-row {
        min-height: 72px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 10px 16px;
        flex-wrap: wrap;
        border-top: 1px solid var(--line);
      }

.footer-copy {
        margin: 0;
        color: var(--muted);
        font-size: 0.78rem;
      }

@media (max-width: 860px) {
        .hero-grid {
          grid-template-columns: 1fr;
        }
        .demo {
          max-width: 720px;
        }
      }

@media (max-width: 680px) {
        .hero {
          padding-block: 40px 48px;
        }
        .product-section {
          grid-template-columns: 1fr;
          gap: 16px;
        }
      }

@media (max-width: 440px) {
        .cta {
          align-items: stretch;
          flex-direction: column;
          gap: 4px;
        }
        .btn {
          width: 100%;
        }
        .secondary-link {
          justify-content: center;
        }
      }

@media (prefers-reduced-motion: reduce) {
        .btn {
          transition: none;
        }
      }