/* imagebath front page: the ads.openai.com shape. White, big light type, soft water panels, black pills. */
:root {
  --bg: #ffffff; --ink: #0d0d0d; --ink-2: #4b5257; --ink-3: #8a9196;
  --line: #e6e8ea; --soft: #f7f7f7; --pill: #ececec; --btn: #0d0d0d; --btn-ink: #ffffff;
  --water: radial-gradient(120% 90% at 20% 10%, #8fd0c4 0%, #74bfb3 35%, #b9e2d6 70%, #e4efd9 100%);
  --sand: radial-gradient(120% 90% at 80% 10%, #f3d9b8 0%, #ecc9a2 35%, #f6e6d3 75%, #fbf3ea 100%);
  --sky: radial-gradient(120% 90% at 20% 90%, #a9c8f2 0%, #c4d8f5 40%, #e5dcf6 80%, #f5f0fb 100%);
  --win: rgba(255,255,255,.88); --card: #ffffff;
  --shadow: 0 1px 2px rgba(0,0,0,.05), 0 12px 32px rgba(0,0,0,.08);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #121314; --ink: #f2f4f5; --ink-2: #bcc4c8; --ink-3: #848c91;
    --line: #2a2e30; --soft: #1a1c1d; --pill: #2a2d2f; --btn: #f2f4f5; --btn-ink: #0d0d0d;
    --water: radial-gradient(120% 90% at 20% 10%, #1f5a52 0%, #19463f 45%, #1b302c 100%);
    --sand: radial-gradient(120% 90% at 80% 10%, #5c4429 0%, #3e2f20 50%, #2a221a 100%);
    --sky: radial-gradient(120% 90% at 20% 90%, #2c4466 0%, #27324a 50%, #231f30 100%);
    --win: rgba(28,30,31,.92); --card: #1c1e1f;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 12px 32px rgba(0,0,0,.4);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #121314; --ink: #f2f4f5; --ink-2: #bcc4c8; --ink-3: #848c91;
  --line: #2a2e30; --soft: #1a1c1d; --pill: #2a2d2f; --btn: #f2f4f5; --btn-ink: #0d0d0d;
  --water: radial-gradient(120% 90% at 20% 10%, #1f5a52 0%, #19463f 45%, #1b302c 100%);
  --sand: radial-gradient(120% 90% at 80% 10%, #5c4429 0%, #3e2f20 50%, #2a221a 100%);
  --sky: radial-gradient(120% 90% at 20% 90%, #2c4466 0%, #27324a 50%, #231f30 100%);
  --win: rgba(28,30,31,.92); --card: #1c1e1f;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 12px 32px rgba(0,0,0,.4);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 16px/1.6 Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; letter-spacing: -0.01em; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
img { display: block; max-width: 100%; }
h1, h2, h3 { font-weight: 450; letter-spacing: -0.03em; margin: 0; }
p { margin: 0; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
:focus-visible { outline: 2px solid #2b8a92; outline-offset: 2px; }
.wrap { width: 100%; max-width: 1232px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 32px; } }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 9px 18px; border-radius: 999px; background: var(--btn); color: var(--btn-ink); text-decoration: none; font-size: 15px; font-weight: 500; border: 1px solid var(--btn); cursor: pointer; white-space: nowrap; font-family: inherit; }
.btn:hover { opacity: .86; }
.btn-o { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-g { background: var(--pill); color: var(--ink); border-color: var(--pill); font-size: 13px; padding: 7px 14px; }
.btn-l { padding: 12px 20px; font-size: 15px; }
.link { color: var(--ink-2); text-decoration: none; font-size: 15px; }
.link:hover { color: var(--ink); }

/* header */
.top { position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: saturate(1.4) blur(12px); }
.top-in { display: flex; align-items: center; gap: 40px; height: 64px; }
.logo { display: inline-flex; align-items: center; gap: 8px; font-weight: 650; font-size: 17px; letter-spacing: -0.02em; text-decoration: none; }
.nav { display: none; gap: 32px; font-size: 15px; }
.nav a { text-decoration: none; }
.nav a:hover { color: var(--ink-2); }
.top-r { margin-left: auto; display: flex; gap: 8px; }
.top-r .btn-o { display: none; }
@media (min-width: 820px) { .nav { display: flex; } .top-r .btn-o { display: inline-flex; } }

/* hero */
.hero { display: grid; gap: 40px; padding-top: 40px; padding-bottom: 80px; align-items: center; }
.hero h1 { font-size: clamp(44px, 6vw, 68px); line-height: 1.04; }
.lead { margin-top: 24px; font-size: 18px; line-height: 1.6; max-width: 400px; color: var(--ink); }
.cta { display: flex; align-items: center; gap: 28px; margin-top: 32px; flex-wrap: wrap; }
@media (min-width: 960px) { .hero { grid-template-columns: 5fr 6fr; gap: 64px; padding-top: 56px; padding-bottom: 120px; } .hero-t { padding-left: clamp(0px, 3vw, 48px); } }

.panel { border-radius: 8px; overflow: hidden; position: relative; }
.water { background: var(--water); }
.sand { background: var(--sand); }
.sky { background: var(--sky); }
.hero-v { margin: 0; display: grid; place-items: center; padding: 32px 16px; }
@media (min-width: 960px) { .hero-v { aspect-ratio: 1 / 1; } }

/* phone mock */
.phone { width: min(300px, 100%); background: var(--card); border-radius: 34px; padding: 14px 12px 12px; box-shadow: 0 0 0 6px rgba(255,255,255,.45), var(--shadow); font-size: 11px; line-height: 1.45; display: flex; flex-direction: column; gap: 10px; }
.ph-bar { display: flex; justify-content: space-between; padding: 0 12px; font-weight: 600; font-size: 10.5px; }
.ph-dots { display: flex; gap: 3px; align-items: center; }
.ph-dots i { width: 4px; height: 4px; border-radius: 50%; background: var(--ink); display: block; }
.ph-head { display: flex; justify-content: center; }
.ph-pill { background: var(--soft); border-radius: 999px; padding: 4px 12px; font-weight: 500; }
.ph-chat { display: flex; flex-direction: column; gap: 10px; padding: 0 4px; }
.u-msg { align-self: flex-end; max-width: 78%; display: flex; flex-direction: column; align-items: flex-end; gap: 6px; }
.u-msg img { border-radius: 12px; width: 72px; height: 72px; object-fit: cover; }
.u-msg p, .u-line { background: var(--soft); border-radius: 16px; padding: 7px 11px; }
.a-msg p { margin-bottom: 4px; }
.steps-mini { margin: 0; padding-left: 16px; color: var(--ink-2); }
.ad-card { display: flex; gap: 9px; border: 1px solid var(--line); border-radius: 12px; padding: 7px; align-items: center; }
.ad-card img { width: 64px; height: 64px; border-radius: 8px; object-fit: cover; flex: none; }
.ad-by { display: flex; gap: 6px; align-items: center; font-size: 10px; }
.tag { background: var(--soft); border-radius: 4px; padding: 0 4px; color: var(--ink-3); font-size: 9px; }
.ad-h { font-weight: 600; }
.ad-p { color: var(--ink-3); font-size: 10px; }
.ph-input { display: flex; align-items: center; gap: 8px; border: 1px solid var(--line); border-radius: 999px; padding: 6px 6px 6px 12px; color: var(--ink-3); }
.ph-input em { font-style: normal; flex: 1; }
.ph-input b { width: 20px; height: 20px; border-radius: 50%; background: var(--ink); }

/* sections */
.sec { padding-top: 72px; padding-bottom: 72px; }
.sec-h { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.sec-h h2 { font-size: clamp(32px, 4.4vw, 48px); line-height: 1.12; }
.sec-h p:not(.eyebrow) { margin-top: 18px; color: var(--ink-2); font-size: 16px; }
.eyebrow { font-size: 13px; color: var(--ink-2); margin-bottom: 14px; }
.cards { display: grid; gap: 16px; }
@media (min-width: 820px) { .cards { grid-template-columns: repeat(3, 1fr); } }
.card { background: var(--soft); border: 1px solid var(--line); border-radius: 8px; padding: 56px 28px 28px; }
.card h3 { font-size: 20px; line-height: 1.3; }
.card p { margin-top: 12px; color: var(--ink-2); font-size: 15px; max-width: 30ch; }

/* steps */
.step { display: grid; gap: 28px; align-items: center; margin-bottom: 56px; }
.step-t h3 { font-size: 26px; line-height: 1.25; max-width: 14ch; }
.step-t p { margin: 18px 0 22px; color: var(--ink); font-size: 16px; max-width: 30ch; }
.step-v { min-height: 260px; aspect-ratio: 4 / 3; display: flex; align-items: center; justify-content: flex-end; padding: 40px 0 40px 40px; }
@media (min-width: 900px) {
  .step { grid-template-columns: 1fr 1fr; gap: 48px; }
  .step-t { padding-left: clamp(0px, 9vw, 128px); }
  .step-r .step-t { order: 2; padding-left: clamp(0px, 9vw, 128px); }
  .step-r .step-v { order: 1; }
}
.win { background: var(--win); border-radius: 14px 0 0 14px; box-shadow: var(--shadow); width: 88%; height: 100%; display: flex; align-items: center; backdrop-filter: blur(8px); }
.win-in { padding: 24px; width: 100%; font-size: 13px; }
.drop-mini { display: flex; gap: 18px; align-items: center; }
.drop-mini img { width: 40%; aspect-ratio: 1; object-fit: cover; border-radius: 12px; }
.bath-list p { padding: 6px 0 6px 22px; position: relative; color: var(--ink-3); }
.bath-list p::before { content: ""; position: absolute; left: 0; top: 50%; width: 12px; height: 12px; margin-top: -6px; border-radius: 50%; border: 1.5px solid var(--ink-3); }
.bath-list p.on { color: var(--ink); }
.bath-list p.on::before { background: #2b8a92; border-color: #2b8a92; }
.u-line { display: inline-block; margin-bottom: 14px; }
.set { display: grid; grid-template-columns: 1.4fr 1fr; grid-template-rows: auto auto; gap: 10px; }
.ad { position: relative; border-radius: 8px; overflow: hidden; background: #000; }
.ad img { width: 100%; height: 100%; object-fit: cover; opacity: .9; }
.ad-lb span { font-size: 10px; }
.ad span { position: absolute; left: 10px; right: 10px; bottom: 8px; color: #fff; font-weight: 650; line-height: 1.2; text-shadow: 0 1px 6px rgba(0,0,0,.6); font-size: 12px; }
.ad-mr { aspect-ratio: 300 / 250; }
.ad-st { aspect-ratio: 9 / 14; grid-row: span 2; }
.ad-lb { aspect-ratio: 728 / 150; }
.ad-lb img { object-position: center 70%; }
.done { text-align: center; }
.thumbs { display: flex; justify-content: center; margin-bottom: 14px; }
.thumbs img { width: 64px; height: 64px; object-fit: cover; border-radius: 12px; border: 3px solid var(--card); margin-left: -14px; box-shadow: var(--shadow); }
.thumbs img:first-child { margin-left: 0; }
.done-t { font-weight: 600; font-size: 15px; margin-bottom: 14px; }
.done-b { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; }
.done-b .btn { font-size: 13px; padding: 7px 14px; cursor: default; }

/* resources */
.res { display: grid; gap: 16px; }
@media (min-width: 720px) { .res { grid-template-columns: repeat(4, 1fr); } }
.res a { text-decoration: none; font-size: 18px; padding: 16px 0; border-top: 1px solid var(--line); }
.res a:hover { color: var(--ink-2); }

/* website form */
.ask { background: var(--soft); border-radius: 8px; padding: 40px 24px; display: grid; gap: 28px; margin: 40px 0 56px; }
.ask h2 { font-size: clamp(30px, 3.6vw, 40px); line-height: 1.15; }
.ask p { margin-top: 16px; color: var(--ink-2); max-width: 44ch; }
.ask-f { display: flex; gap: 10px; flex-wrap: wrap; align-self: center; }
.ask-f input { flex: 1 1 220px; min-width: 0; font: inherit; font-size: 16px; padding: 12px 16px; border: 1px solid var(--line); border-radius: 999px; background: var(--bg); color: var(--ink); }
@media (min-width: 900px) { .ask { grid-template-columns: 1fr 1fr; padding: 56px 48px; gap: 48px; } }

/* footer */
.foot { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding-top: 24px; padding-bottom: 32px; font-size: 13px; color: var(--ink-3); }
.foot a { text-decoration: underline; text-underline-offset: 2px; }
.foot-l { display: flex; gap: 16px; }
.foot-l a { text-decoration: none; }
.foot-l a:hover { color: var(--ink); }