/* GYMOO landing page — warm, product-first. Light warm surface by default with a matching dark theme.
   Sections: hero, BMI, "a day with Jimo" stacking cards, plans, short ending. Motion uses only
   transform/opacity, follows the scroll, and is turned off for reduced motion. */

body.landing {
  --l-bg: #F7F8F4; --l-surface: #FFFFFF; --l-surface-2: #EEF0EA; --l-line: #E1E4DC;
  --l-text: #17201C; --l-text-2: #4E5A54; --l-text-3: #87918B;
  --l-accent: #6A47FF; --l-accent-hover: #5536E6; --l-accent-soft: rgba(106, 71, 255, .09);
  --l-lime: #C6FF3D; --l-lime-text: #4C7A00;
  --c1: #ECE8FF; --c2: #E6F4CF; --c3: #FFE9D8; --c4: #DDEEFF;
  --l-shadow: 0 1px 2px rgba(23, 32, 28, .05), 0 12px 32px rgba(23, 32, 28, .06);
  --l-ease: cubic-bezier(.2, .7, .2, 1);
  background: var(--l-bg); color: var(--l-text); font-size: 17px; line-height: 1.85;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) body.landing {
    --l-bg: #0E1311; --l-surface: #161C19; --l-surface-2: #1E2622; --l-line: #2A332E;
    --l-text: #EEF2EE; --l-text-2: #A9B4AD; --l-text-3: #75807A;
    --l-accent: #8D74FF; --l-accent-hover: #A08BFF; --l-accent-soft: rgba(141, 116, 255, .12);
    --l-lime-text: #C6FF3D; --c1: #221D3D; --c2: #1C2A16; --c3: #2E2117; --c4: #16243A;
    --l-shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 12px 32px rgba(0, 0, 0, .25);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] body.landing {
  --l-bg: #0E1311; --l-surface: #161C19; --l-surface-2: #1E2622; --l-line: #2A332E;
  --l-text: #EEF2EE; --l-text-2: #A9B4AD; --l-text-3: #75807A;
  --l-accent: #8D74FF; --l-accent-hover: #A08BFF; --l-accent-soft: rgba(141, 116, 255, .12);
  --l-lime-text: #C6FF3D; --c1: #221D3D; --c2: #1C2A16; --c3: #2E2117; --c4: #16243A;
  --l-shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 12px 32px rgba(0, 0, 0, .25);
  color-scheme: dark;
}

.landing h1, .landing h2, .landing h3 { color: var(--l-text); letter-spacing: -.3px; }
.landing p { color: var(--l-text-2); }
.landing a { color: var(--l-accent); }
.landing a:hover { text-decoration: none; }
.landing :focus-visible { outline: 2.5px solid var(--l-accent); outline-offset: 3px; box-shadow: none; border-radius: 10px; }
.wrap { width: 100%; max-width: 1120px; margin-inline: auto; padding-inline: 20px; }
.skip { position: absolute; inset-inline-start: 12px; top: -60px; z-index: 50; background: var(--l-accent); color: #fff !important; padding: 8px 14px; border-radius: 10px; }
.skip:focus { top: 12px; }

/* ---------------------------------------------------------------- buttons & links */
.btn-p {
  display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 26px;
  border-radius: 14px; background: var(--l-accent); color: #fff !important; font-weight: 700; font-size: 16px;
  border: 0; cursor: pointer; text-decoration: none !important; transition: background .18s, transform .15s;
}
.btn-p:hover { background: var(--l-accent-hover); }
.btn-p:active { transform: scale(.98); }
.btn-s { display: inline-flex; align-items: center; min-height: 40px; padding: 0 16px; border-radius: 12px; border: 1px solid var(--l-line); color: var(--l-text) !important; font-weight: 700; font-size: 14.5px; text-decoration: none !important; transition: border-color .18s; }
.btn-s:hover { border-color: var(--l-text-3); }
.link { font-weight: 700; text-decoration: none; border-bottom: 1.5px solid transparent; transition: border-color .18s; }
.link:hover { border-bottom-color: currentColor; }

/* ---------------------------------------------------------------- header */
.top { position: sticky; top: 0; z-index: 40; background: color-mix(in srgb, var(--l-bg) 88%, transparent); backdrop-filter: saturate(1.4) blur(12px); border-bottom: 1px solid transparent; transition: border-color .2s; }
.top.scrolled { border-bottom-color: var(--l-line); }
.top-in { display: flex; align-items: center; gap: 24px; min-height: 68px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 900; font-size: 19px; color: var(--l-text) !important; text-decoration: none !important; }
.logo small { font-weight: 400; font-size: 13px; color: var(--l-text-3); }
.nav { display: flex; gap: 22px; margin-inline-start: auto; }
.nav a { color: var(--l-text-2); font-size: 15px; font-weight: 600; text-decoration: none; transition: color .18s; }
.nav a:hover { color: var(--l-text); }
@media (max-width: 640px) {
  .nav a:not([href="#bmi"]) { display: none; }
  .top-in { gap: 14px; }
}

/* ---------------------------------------------------------------- hero */
.hero { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 48px; padding-block: 64px 88px; }
.hero h1 { font-size: clamp(34px, 5.2vw, 56px); font-weight: 900; line-height: 1.3; margin: 0 0 18px; }
.lead { font-size: clamp(17px, 1.6vw, 19px); max-width: 40ch; margin-bottom: 30px; }
.cta-row { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.note { margin: 18px 0 0; font-size: 14px; color: var(--l-text-3); }
.hero-device { position: relative; display: grid; justify-items: center; gap: 10px; will-change: transform; }
.device-cap { font-size: 12px; color: var(--l-text-3); }
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; padding-block: 36px 64px; gap: 40px; }
  .hero-device .device { --dw: 250px; }
}

/* ---------------------------------------------------------------- device & screens (the app's dark UI) */
.device {
  --dw: 288px; position: relative; width: var(--dw); aspect-ratio: 288 / 590; padding: 10px; border-radius: 46px;
  background: #121816; box-shadow: 0 0 0 1px rgba(255, 255, 255, .06) inset, 0 30px 60px rgba(23, 32, 28, .22);
}
.device::before { content: ""; position: absolute; top: 18px; left: 50%; width: 72px; height: 20px; margin-left: -36px; border-radius: 12px; background: #050807; z-index: 2; }
.screen {
  --s-bg: #0D1324; --s-card: #161E35; --s-line: #232C47; --s-text: #EEF1FA; --s-text-2: #A3ADC8;
  height: 100%; border-radius: 36px; background: var(--s-bg); color: var(--s-text); padding: 46px 16px 18px;
  display: flex; flex-direction: column; gap: 12px; overflow: hidden; font-size: 14px; line-height: 1.6;
}
.screen small { color: var(--s-text-2); font-size: 12px; }
.sc-top { display: flex; align-items: baseline; justify-content: space-between; }
.sc-top span { font-weight: 900; font-size: 20px; }
.sc-card { background: linear-gradient(150deg, #2A1C7A, #1B2560); border-radius: 20px; padding: 14px; display: flex; flex-direction: column; gap: 2px; }
.sc-card b { font-size: 19px; }
.sc-meta { color: #C9CDEA; font-size: 12.5px; }
.sc-btn { margin-top: 10px; text-align: center; background: #C6FF3D; color: #0A0E1A; font-weight: 800; border-radius: 12px; padding: 9px; font-size: 14px; }
.sc-row { display: flex; justify-content: space-between; align-items: baseline; color: var(--s-text-2); font-size: 13px; }
.sc-row b { color: var(--s-text); font-size: 15px; }
.sc-row b small { font-weight: 400; }
.sc-bar { height: 7px; border-radius: 4px; background: var(--s-line); overflow: hidden; }
.sc-bar i { display: block; height: 100%; background: #C6FF3D; border-radius: inherit; }
.sc-dots { display: flex; gap: 6px; }
.sc-dots i { flex: 1; height: 7px; border-radius: 4px; background: var(--s-line); }
.sc-dots i.on { background: #8D74FF; }
.sc-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; counter-reset: x; }
.sc-list li { counter-increment: x; display: flex; align-items: center; gap: 10px; background: var(--s-card); border-radius: 14px; padding: 10px 12px; }
.sc-list li::before { content: counter(x, persian); width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; font-size: 12px; font-weight: 800; background: #6A47FF; color: #fff; flex: none; }
.sc-list b { flex: 1; font-size: 13.5px; }
.s-plan .sc-btn { margin-top: auto; }
.sc-fig { display: grid; place-items: center; min-height: 140px; }
.sc-fig .fig { --fig-ink: #EEF1FA; --fig-prop: #6B7594; --fig-hi: #C6FF3D; background: var(--s-card); border-color: var(--s-line); }
.sc-name { font-size: 16px; text-align: center; }
.sc-sets { display: flex; flex-direction: column; gap: 6px; }
.sc-sets div { display: grid; grid-template-columns: 26px 1fr 28px; align-items: center; gap: 8px; background: var(--s-card); border-radius: 12px; padding: 8px 10px; font-size: 13px; }
.sc-sets i { width: 26px; height: 26px; border-radius: 8px; border: 1.5px solid var(--s-line); display: grid; place-items: center; font-style: normal; font-weight: 900; color: #fff; }
.sc-sets .done { background: rgba(47, 212, 122, .14); }
.sc-sets .done i { background: #2FD47A; border-color: #2FD47A; }
.sc-rest { align-self: center; margin-top: auto; padding: 6px 14px; border-radius: 99px; background: rgba(198, 255, 61, .14); color: #C6FF3D; font-weight: 800; font-size: 13px; }
.sc-chart { width: 100%; height: auto; color: #8D74FF; background: var(--s-card); border-radius: 16px; padding: 8px; }
.sc-meal { display: grid; grid-template-columns: 1fr auto; gap: 0 8px; background: var(--s-card); border-radius: 14px; padding: 10px 12px; }
.sc-meal small { grid-column: 1; }
.sc-meal i { grid-row: 1 / 3; grid-column: 2; align-self: center; font-style: normal; font-size: 11.5px; font-weight: 800; padding: 4px 9px; border-radius: 99px; background: rgba(47, 212, 122, .16); color: #5FE39C; }
.sc-meal i.swap { background: rgba(141, 116, 255, .18); color: #B9A8FF; }

/* ---------------------------------------------------------------- shared */
.sec-title { font-size: clamp(26px, 3.4vw, 38px); font-weight: 900; margin: 0 0 28px; }

/* scroll reveal — content is visible without JS; with JS it rises in when reached */
.js .reveal { opacity: 0; transform: translateY(28px) scale(.98); transition: opacity .6s var(--l-ease), transform .6s var(--l-ease); }
.js .reveal.in { opacity: 1; transform: none; }

/* ---------------------------------------------------------------- BMI */
.bmi { padding-block: 8px 88px; scroll-margin-top: 84px; }
.bmi-card { background: var(--l-surface); border: 1px solid var(--l-line); border-radius: 24px; padding: 28px; box-shadow: var(--l-shadow); display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); gap: 20px 40px; }
.bmi-intro h2 { font-size: clamp(22px, 2.6vw, 28px); font-weight: 900; margin: 0 0 8px; }
.bmi-intro p { margin: 0; font-size: 15.5px; max-width: 38ch; }
.bmi-form { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)) auto; gap: 12px; align-items: end; }
.bmi-form label { display: flex; flex-direction: column; gap: 6px; font-size: 14px; font-weight: 700; color: var(--l-text); }
.bmi-form .unit { font-weight: 400; color: var(--l-text-3); font-size: 12.5px; }
.bmi-form input { height: 52px; border-radius: 12px; border: 1px solid var(--l-line); background: var(--l-bg); color: var(--l-text); padding: 0 14px; font: inherit; font-size: 18px; font-weight: 700; text-align: center; direction: ltr; transition: border-color .18s; }
.bmi-form input:focus { outline: none; border-color: var(--l-accent); box-shadow: 0 0 0 3px var(--l-accent-soft); }
.bmi-form input[aria-invalid="true"] { border-color: #D9344E; }
.bmi-err { grid-column: 1 / -1; margin: 0; font-size: 14px; color: #D9344E; }
.bmi-err:empty { display: none; }
.bmi-out { grid-column: 1 / -1; border-top: 1px solid var(--l-line); padding-top: 20px; display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 8px 28px; align-items: center; animation: out-in .45s var(--l-ease); }
@keyframes out-in { from { opacity: 0; transform: translateY(10px); } }
.bmi-num { font-size: 46px; font-weight: 900; line-height: 1.1; }
.bmi-num small { display: block; font-size: 13px; font-weight: 700; color: var(--l-text-3); }
.bmi-cat { font-weight: 800; font-size: 18px; color: var(--l-text); margin: 0 0 4px; }
.bmi-txt { margin: 0; font-size: 14.5px; }
.bmi-scale { grid-column: 1 / -1; position: relative; height: 8px; display: grid; grid-template-columns: 14fr 25fr 20fr 41fr; gap: 3px; margin: 8px 0 0; direction: ltr; }
.bmi-scale i { border-radius: 4px; }
.bmi-scale i:nth-child(1) { background: #7CC4FF; }
.bmi-scale i:nth-child(2) { background: #3DBE7A; }
.bmi-scale i:nth-child(3) { background: #F2B248; }
.bmi-scale i:nth-child(4) { background: #E5675A; }
.bmi-mark { position: absolute; top: -5px; width: 18px; height: 18px; margin-left: -9px; border-radius: 50%; background: var(--l-surface); border: 3px solid var(--l-text); transition: left .5s var(--l-ease); }
.bmi-legend { grid-column: 1 / -1; position: relative; height: 18px; font-size: 12px; color: var(--l-text-3); direction: ltr; margin-top: -2px; }
.bmi-legend span { position: absolute; transform: translateX(-50%); }
.bmi-legend span:first-child { transform: none; }
.bmi-legend span:last-child { transform: translateX(-100%); }
@media (max-width: 860px) {
  .bmi-card { grid-template-columns: 1fr; padding: 22px 18px; }
  .bmi-form { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .bmi-form .btn-p { grid-column: 1 / -1; }
  .bmi-out { grid-template-columns: auto 1fr; }
  .bmi-out .btn-p { grid-column: 1 / -1; }
}

/* ---------------------------------------------------------------- a day with Jimo: stacking cards */
.stack-sec { padding-block: 24px 64px; scroll-margin-top: 72px; }
.stack { display: flex; flex-direction: column; gap: 32px; }
.scard {
  --top: calc(84px + var(--i) * 16px);
  position: sticky; top: var(--top); isolation: isolate; overflow: hidden;
  display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 28px 40px;
  min-height: 460px; padding: 34px 40px; border-radius: 32px; transform-origin: 50% 0;
  box-shadow: 0 -10px 30px rgba(23, 32, 28, .06), 0 24px 48px rgba(23, 32, 28, .08);
}
.scard::after { /* dimming layer while the next card slides over */
  content: ""; position: absolute; inset: 0; z-index: 3; pointer-events: none; border-radius: inherit;
  background: #0B100E; opacity: var(--dim, 0);
}
.scard.c1 { background: var(--c1); }
.scard.c2 { background: var(--c2); }
.scard.c3 { background: var(--c3); }
.scard.c4 { background: var(--c4); }
.scard-n { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 14px; font-weight: 900; font-size: 18px; background: var(--l-surface); color: var(--l-accent); box-shadow: 0 2px 8px rgba(23, 32, 28, .08); }
.scard h3 { font-size: clamp(24px, 3vw, 34px); font-weight: 900; line-height: 1.4; margin: 16px 0 10px; }
.scard p { font-size: clamp(16px, 1.5vw, 18px); max-width: 40ch; margin: 0; color: var(--l-text-2); }
.scard-shot { will-change: transform; }
.mini-device { width: 280px; height: 400px; padding: 8px; border-radius: 38px; background: #121816; box-shadow: 0 24px 50px rgba(23, 32, 28, .25); }
.mini-device .screen { padding-top: 22px; border-radius: 30px; }
@media (max-width: 860px) {
  .scard { grid-template-columns: 1fr; min-height: 0; padding: 26px 22px 0; gap: 18px; border-radius: 28px; --top: calc(76px + var(--i) * 12px); }
  .scard-shot { justify-self: center; }
  .mini-device { width: 250px; height: 300px; border-radius: 32px 32px 0 0; padding-bottom: 0; }
  .mini-device .screen { border-radius: 24px 24px 0 0; }
  .scard p { font-size: 16px; }
}

/* ---------------------------------------------------------------- plans */
.plans { padding-block: 24px 88px; scroll-margin-top: 72px; }
.plans-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 28px; }
.plans-head .sec-title { margin: 0; }
.period { display: inline-flex; padding: 4px; border-radius: 14px; background: var(--l-surface-2); }
.period button { font: inherit; font-size: 14.5px; font-weight: 700; border: 0; background: none; color: var(--l-text-2); padding: 8px 18px; border-radius: 10px; cursor: pointer; transition: background .18s, color .18s; }
.period button.on { background: var(--l-surface); color: var(--l-text); box-shadow: 0 1px 3px rgba(23, 32, 28, .1); }
.plan-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.plan { position: relative; background: var(--l-surface); border: 1px solid var(--l-line); border-radius: 22px; padding: 26px 22px; display: flex; flex-direction: column; gap: 6px; min-height: 360px; }
.plan.sk { background: var(--l-surface-2); border-color: transparent; }
.plan.best { border: 2px solid var(--l-accent); box-shadow: var(--l-shadow); }
.plan-tag { position: absolute; top: -12px; inset-inline-start: 20px; background: var(--l-lime); color: #17201C; font-size: 12.5px; font-weight: 800; padding: 2px 12px; border-radius: 99px; }
.plan h3 { font-size: 20px; font-weight: 900; margin: 0; }
.plan .tagline { font-size: 14px; color: var(--l-text-3); margin: 0 0 8px; min-height: 2.6em; }
.price { font-size: 32px; font-weight: 900; line-height: 1.3; color: var(--l-text); }
.price small { font-size: 14px; font-weight: 600; color: var(--l-text-3); }
.price-sub { font-size: 13px; color: var(--l-text-3); min-height: 1.6em; }
.plan ul { list-style: none; padding: 0; margin: 14px 0 20px; display: flex; flex-direction: column; gap: 10px; font-size: 15px; color: var(--l-text-2); }
.plan li { display: flex; gap: 10px; align-items: flex-start; }
.plan li::before { content: ""; flex: none; width: 18px; height: 18px; margin-top: 5px; border-radius: 50%; background: var(--l-accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236A47FF' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / 12px no-repeat; }
.plan .btn-p, .plan .btn-s { margin-top: auto; justify-content: center; }
.plan-err { grid-column: 1 / -1; text-align: center; color: var(--l-text-2); }
.js .plan-grid .plan:not(.sk) { animation: plan-in .55s var(--l-ease) both; }
.js .plan-grid .plan:nth-child(2) { animation-delay: .08s; }
.js .plan-grid .plan:nth-child(3) { animation-delay: .16s; }
@keyframes plan-in { from { opacity: 0; transform: translateY(24px); } }
.pay-demo { margin: 18px auto 0; max-width: 520px; text-align: center; font-size: 14px; padding: 10px 16px; border-radius: 12px; background: var(--l-surface-2); color: var(--l-text-2); }
.pay-demo[hidden] { display: none; }
.center-link { display: table; margin: 22px auto 0; }
@media (max-width: 860px) { .plan-grid { grid-template-columns: 1fr; } .plan { min-height: 0; } }

/* ---------------------------------------------------------------- ending & footer */
.end { padding-block: 24px 88px; }
.faq { display: grid; gap: 10px; max-width: 760px; }
.faq details { background: var(--l-surface); border: 1px solid var(--l-line); border-radius: 16px; padding: 0 20px; }
.faq summary { cursor: pointer; padding: 16px 0; font-weight: 700; color: var(--l-text); list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 22px; line-height: 1; color: var(--l-text-3); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq p { margin: 0 0 16px; font-size: 15.5px; }
.end-cta { margin-top: 48px; display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; background: var(--l-surface); border: 1px solid var(--l-line); border-radius: 22px; padding: 22px 26px; }
.end-cta p { margin: 0; font-size: 19px; font-weight: 800; color: var(--l-text); }
.foot { border-top: 1px solid var(--l-line); padding-block: 22px 32px; }
.foot-in { display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap; font-size: 14px; color: var(--l-text-3); }
.foot nav { display: flex; gap: 18px; flex-wrap: wrap; }
.foot a { color: var(--l-text-2); text-decoration: none; }
.foot a:hover { color: var(--l-text); }

@media (max-width: 560px) {
  .wrap { padding-inline: 16px; }
  .hero, .bmi, .plans, .end { padding-bottom: 64px; }
}
@media (prefers-reduced-motion: reduce) {
  .landing *, .landing *::after { transition: none !important; animation: none !important; }
  .js .reveal { opacity: 1; transform: none; }
}