/* Organic Chemistry AI Solver — organicchemistryaisolver.com
   Palette and type ported 1:1 from the app (theme/AppColors.kt, Space Grotesk).
   Layout language from premium app landings (Headspace, Chatbase, Wispr Flow, ClassPass). */

@font-face{font-family:"Space Grotesk";src:url("../assets/fonts/space-grotesk-400.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Space Grotesk";src:url("../assets/fonts/space-grotesk-500.woff2") format("woff2");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"Space Grotesk";src:url("../assets/fonts/space-grotesk-600.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:"Space Grotesk";src:url("../assets/fonts/space-grotesk-700.woff2") format("woff2");font-weight:700;font-style:normal;font-display:swap}

:root{
  --bg:#f4f7f5;
  --bg-sunken:#e9efec;
  --card:#ffffff;
  --accent:#1b6b54;
  --accent-press:#155a46;
  --accent-grad-end:#2f7d5b;
  --cta-deep:#144a3a;
  --tint:#e9f2ed;
  --text:#13241c;
  --muted:#5c6e66;
  --line:rgba(19,36,28,.10);
  --line-strong:rgba(19,36,28,.16);
  --shadow-sm:0 1px 2px rgba(19,36,28,.05), 0 8px 24px rgba(27,107,84,.07);
  --shadow-md:0 18px 44px rgba(19,36,28,.10);
  --shadow-lg:0 32px 80px rgba(19,36,28,.16);
  --radius:22px;
  --radius-lg:32px;
  --wrap:1180px;
  --nav-h:64px;
  --device:#111816;
  --font:"Space Grotesk",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#0b1210;
    --bg-sunken:#080e0c;
    --card:#141e1a;
    --accent:#5ebf9a;
    --accent-press:#4aa888;
    --accent-grad-end:#7bc49a;
    --cta-deep:#1b6b54;
    --tint:#143028;
    --text:#e6f0eb;
    --muted:#8fa399;
    --line:rgba(230,240,235,.10);
    --line-strong:rgba(230,240,235,.18);
    --shadow-sm:0 1px 2px rgba(0,0,0,.4);
    --shadow-md:0 18px 44px rgba(0,0,0,.5);
    --shadow-lg:0 32px 80px rgba(0,0,0,.62);
    --device:#070b09;
  }
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}
body{
  margin:0;background:var(--bg);color:var(--text);font-family:var(--font);
  font-size:17px;line-height:1.62;font-weight:400;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:6px}
h1,h2,h3,h4{line-height:1.08;letter-spacing:-.038em;font-weight:700;margin:0}
h1{font-size:clamp(2.35rem,6.6vw,4.05rem)}
h2{font-size:clamp(1.75rem,4.4vw,2.7rem)}
h3{font-size:clamp(1.15rem,2.4vw,1.42rem);letter-spacing:-.02em}
p{margin:0}
ul,ol{margin:0;padding-left:1.25em}
code,kbd{font-family:var(--mono);font-size:.92em;background:var(--tint);color:var(--text);padding:.12em .42em;border-radius:6px}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:clamp(18px,3vw,28px)}
.section{padding-block:clamp(64px,9vw,120px)}
.section--sunken{background:var(--bg-sunken)}
.eyebrow{font-size:.78rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.lede{color:var(--muted);font-size:clamp(1.04rem,2vw,1.2rem);max-width:58ch;line-height:1.55}
.center{text-align:center}
.center .lede{margin-inline:auto}
.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

.section__head{max-width:40rem;margin-bottom:8px}
.section__head--center{text-align:center;margin-inline:auto}
.section__head--center .lede{margin-inline:auto}
.section__head h1,.section__head h2{margin-bottom:14px}
.section__head + .cards,
.section__head + .examples,
.section__head + .gallery,
.section__head + .steps,
.section__head + .faq{margin-top:44px}
.section__head + .feature{padding-top:28px}

.kicker{
  display:inline-flex;align-items:center;gap:8px;
  min-height:34px;padding:0 14px;margin-bottom:20px;
  border-radius:999px;background:var(--card);border:1px solid var(--line);
  color:var(--accent);font-size:.82rem;font-weight:600;letter-spacing:.02em;
  box-shadow:var(--shadow-sm);
}
.kicker::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 18%,transparent)}

/* ---------- nav (Wispr Flow / Headspace pill) ---------- */
.nav{
  position:sticky;top:0;z-index:50;padding:10px 12px 12px;
  background:var(--bg);
  border:none;
}
.section[id],#features,#how-it-works,#screenshots,#faq,#get,#guides{
  scroll-margin-top:92px;
}
.nav__in{
  display:flex;align-items:center;gap:12px;min-height:var(--nav-h);
  max-width:var(--wrap);margin-inline:auto;padding:6px 8px 6px 14px;
  background:color-mix(in srgb,var(--bg) 72%,transparent);
  backdrop-filter:saturate(160%) blur(18px);
  border:1px solid var(--line);border-radius:999px;box-shadow:var(--shadow-sm);
}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.03em;color:var(--text);font-size:1.02rem;flex:0 0 auto}
.brand:hover{text-decoration:none}
.brand img{width:30px;height:30px;border-radius:9px}
.nav__links{display:none;gap:4px;margin-left:auto;align-items:center}
.nav__links a{
  color:var(--muted);font-size:.94rem;font-weight:500;
  padding:8px 12px;border-radius:999px;
}
.nav__links a:hover{color:var(--text);background:color-mix(in srgb,var(--accent) 8%,transparent);text-decoration:none}
.nav__cta.btn{display:none;margin-left:6px}
.nav__toggle{margin-left:auto;display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid var(--line-strong);background:var(--card);border-radius:999px;color:var(--text);cursor:pointer}
.nav__panel{
  display:none;margin:8px 12px 0;border:1px solid var(--line);background:var(--card);
  border-radius:22px;box-shadow:var(--shadow-md);overflow:hidden;
}
.nav__panel[data-open="true"]{display:block}
.nav__panel ul{list-style:none;padding:8px 8px 12px;margin:0;max-width:var(--wrap);margin-inline:auto}
.nav__panel a{display:block;padding:12px 14px;border-radius:14px;color:var(--text);font-weight:500}
.nav__panel a:hover{background:var(--tint);text-decoration:none}
@media (min-width:900px){
  .nav__links{display:flex}
  .nav__cta.btn{display:inline-flex}
  .nav__toggle,.nav__panel{display:none!important}
}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:50px;padding:0 24px;border-radius:999px;font-weight:600;font-size:1rem;border:1px solid transparent;cursor:pointer;transition:transform .16s ease,box-shadow .16s ease,background-color .16s ease}
.btn:hover{text-decoration:none}
.btn--primary{background:linear-gradient(100deg,var(--accent-grad-end),var(--accent) 52%,var(--cta-deep));color:#fff;box-shadow:var(--shadow-sm)}
.btn--primary:hover{transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn--ghost{background:var(--card);color:var(--text);border-color:var(--line-strong)}
.btn--ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn--sm{min-height:42px;padding:0 18px;font-size:.93rem}
@media (prefers-color-scheme:dark){.btn--primary{color:#06110d}}

.stores{display:flex;flex-wrap:wrap;gap:12px}
.store{display:inline-flex;align-items:center;gap:11px;min-height:56px;padding:0 20px 0 17px;border-radius:16px;background:var(--text);color:var(--bg);border:1px solid transparent;transition:transform .16s ease,box-shadow .16s ease}
.store:hover{text-decoration:none;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.store svg{width:24px;height:24px;flex:0 0 auto;fill:currentColor}
.store span{display:block;line-height:1.16}
.store b{display:block;font-size:1.03rem;font-weight:700;letter-spacing:-.01em}
.store i{display:block;font-style:normal;font-size:.7rem;letter-spacing:.07em;text-transform:uppercase;opacity:.78}

/* ---------- hero ---------- */
.hero{
  padding-block:clamp(28px,5vw,56px) clamp(40px,7vw,72px);
  position:relative;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:-20% -10% auto 40%;height:70%;
  background:
    radial-gradient(closest-side,rgba(47,125,91,.18),transparent 70%),
    radial-gradient(closest-side at 80% 40%,rgba(27,107,84,.12),transparent 62%);
  pointer-events:none;z-index:0;
}
.hero::after{
  content:"";position:absolute;inset:auto -20% -30% 20%;height:380px;
  background:radial-gradient(closest-side,rgba(27,107,84,.10),transparent);
  pointer-events:none;z-index:0;
}
@media (prefers-color-scheme:dark){
  .hero::before{background:radial-gradient(closest-side,rgba(94,191,154,.14),transparent 70%)}
  .hero::after{background:radial-gradient(closest-side,rgba(94,191,154,.08),transparent)}
}
.hero__grid{position:relative;z-index:1;display:grid;gap:clamp(36px,5vw,64px);align-items:center}
@media (min-width:920px){.hero__grid{grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr)}}
.hero__icon{width:72px;height:72px;border-radius:20px;box-shadow:var(--shadow-md);margin-bottom:22px}
.hero h1{margin-bottom:20px}
.hero h1 em{font-style:normal;color:var(--accent);display:block;margin-top:.12em}
.hero .lede{margin-bottom:30px}
.hero .stores{margin-bottom:16px}
.hero__note{font-size:.9rem;color:var(--muted)}
.trust{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:28px;padding:0;list-style:none}
@media (min-width:560px){.trust{grid-template-columns:repeat(4,minmax(0,1fr))}}
.trust li{
  background:color-mix(in srgb,var(--card) 78%,transparent);
  border:1px solid var(--line);border-radius:16px;padding:14px 14px 13px;
  box-shadow:var(--shadow-sm);backdrop-filter:blur(8px);
}
.trust b{display:block;font-size:.98rem;letter-spacing:-.02em}
.trust span{display:block;font-size:.78rem;color:var(--muted);line-height:1.38;margin-top:3px}

/* phone frames — dark device chrome, Headspace / Zipline */
.phone{
  position:relative;margin-inline:auto;width:min(290px,78vw);
  border-radius:36px;background:var(--device);padding:10px 9px;
  box-shadow:var(--shadow-lg), 0 0 0 1px rgba(255,255,255,.08) inset, 0 18px 50px rgba(0,0,0,.28);
}
.phone::before{
  content:"";position:absolute;top:16px;left:50%;transform:translateX(-50%);
  width:86px;height:8px;border-radius:999px;background:rgba(0,0,0,.45);z-index:2;pointer-events:none;
}
.phone img{border-radius:26px;width:100%}
.phones{display:flex;justify-content:center;align-items:flex-end;gap:clamp(10px,2.4vw,18px);position:relative}
.phones .phone:nth-child(2){width:min(232px,58vw);margin-bottom:28px}

/* overlapping / tilted cluster (Headspace) */
.phones--overlap{min-height:min(560px,88vw);align-items:center}
.phones--overlap .phone{margin:0}
.phones--overlap .phone:nth-child(1){
  transform:rotate(-9deg) translate(18px,10px);z-index:2;
  animation:phone-float 7s ease-in-out infinite;
}
.phones--overlap .phone:nth-child(2){
  width:min(240px,54vw);margin-bottom:0;opacity:1;
  transform:rotate(11deg) translate(-28px,28px);z-index:1;
  animation:phone-float 8.4s ease-in-out infinite reverse;
}
@keyframes phone-float{
  0%,100%{translate:0 0}
  50%{translate:0 -12px}
}
@media (max-width:620px){
  .phones .phone:nth-child(2),
  .phones--overlap .phone:nth-child(2){display:none}
  .phones--overlap{min-height:0}
  .phones--overlap .phone:nth-child(1){transform:none;animation:none}
}

/* ---------- proof strip ---------- */
.proof{
  border-block:1px solid var(--line);
  background:color-mix(in srgb,var(--card) 55%,var(--bg));
  padding-block:22px;
}
.proof__row{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 12px;text-align:center;
}
@media (min-width:720px){.proof__row{grid-template-columns:repeat(6,minmax(0,1fr));gap:8px}}
.proof b{display:block;font-size:1.35rem;letter-spacing:-.04em;line-height:1.1}
.proof span{display:block;margin-top:4px;font-size:.78rem;color:var(--muted);font-weight:500}

/* ---------- features ---------- */
.feature{display:grid;gap:clamp(28px,4vw,56px);align-items:center;padding-block:clamp(42px,6vw,72px)}
.feature + .feature{border-top:1px solid var(--line)}
@media (min-width:920px){
  .feature{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr)}
  .feature--flip .feature__media{order:-1}
}
.feature h3{margin-bottom:14px;font-size:clamp(1.4rem,3vw,1.9rem);letter-spacing:-.03em}
.feature p{color:var(--muted)}
.feature__list{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:10px}
.feature__list li{position:relative;padding-left:32px;font-size:.97rem}
.feature__list li::before{
  content:"";position:absolute;left:0;top:.28em;width:18px;height:18px;border-radius:50%;
  background:var(--accent) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'><path fill='none' stroke='white' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round' d='M2.4 6.2 4.8 8.6 9.6 3.4'/></svg>") center/11px no-repeat;
}
@media (prefers-color-scheme:dark){
  .feature__list li::before{
    background:var(--accent) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'><path fill='none' stroke='%2306110d' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round' d='M2.4 6.2 4.8 8.6 9.6 3.4'/></svg>") center/11px no-repeat;
  }
}
.stage{
  position:relative;display:grid;place-items:center;
  padding:48px 18px 36px;border-radius:36px;overflow:hidden;
  background:
    radial-gradient(120% 90% at 50% -10%,rgba(47,125,91,.22),transparent 58%),
    linear-gradient(180deg,var(--tint),color-mix(in srgb,var(--bg-sunken) 65%,var(--card)));
}
.stage::after{
  content:"";position:absolute;inset:auto 12% -18% 12%;height:42%;
  background:radial-gradient(closest-side,rgba(19,36,28,.12),transparent);
  pointer-events:none;
}
.feature--flip .stage{
  background:
    radial-gradient(120% 90% at 50% -10%,rgba(61,139,158,.20),transparent 58%),
    linear-gradient(180deg,var(--tint),color-mix(in srgb,var(--bg-sunken) 65%,var(--card)));
}
.stage .phone{width:min(268px,70vw);transform:rotate(-6deg);z-index:1}
.feature--flip .stage .phone{transform:rotate(6deg)}
.feature__media .phone{width:min(268px,70vw)}

/* ---------- steps (ClassPass / Grammarly numbered circles) ---------- */
.steps{list-style:none;padding:0;margin:0;display:grid;gap:18px;counter-reset:s;position:relative}
@media (min-width:760px){
  .steps{grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
  .steps::before{
    content:"";position:absolute;top:39px;left:12%;right:12%;height:2px;
    background:repeating-linear-gradient(90deg,var(--line-strong) 0 10px,transparent 10px 18px);
    z-index:0;
  }
}
.steps li{
  counter-increment:s;position:relative;z-index:1;text-align:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 18px 24px;box-shadow:var(--shadow-sm);
}
.steps li::before{
  content:counter(s);display:flex;align-items:center;justify-content:center;
  width:48px;height:48px;margin:0 auto 16px;border-radius:50%;
  background:linear-gradient(160deg,var(--accent-grad-end),var(--accent));
  color:#fff;font-weight:700;font-size:1.15rem;box-shadow:0 8px 18px rgba(27,107,84,.28);
}
@media (prefers-color-scheme:dark){.steps li::before{color:#06110d}}
.steps h3{font-size:1.08rem;margin-bottom:8px}
.steps p{color:var(--muted);font-size:.93rem}

/* ---------- gallery ---------- */
.gallery{
  margin-top:0;display:grid;grid-auto-flow:column;grid-auto-columns:58vw;gap:18px;
  overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:18px;scrollbar-width:thin;
  margin-inline:calc(18px - 4vw);padding-inline:max(18px, calc((100vw - var(--wrap)) / 2 + 8px));
}
.gallery > figure{scroll-snap-align:center;margin:0}
@media (min-width:760px){
  .gallery{grid-auto-flow:row;grid-template-columns:repeat(4,minmax(0,1fr));grid-auto-columns:auto;overflow:visible;margin-inline:0;padding-inline:0;gap:28px 22px}
}
.gallery figure img{
  border-radius:28px;background:var(--device);padding:8px;box-shadow:var(--shadow-md);
  width:100%;
}
.gallery figcaption{margin-top:12px;font-size:.87rem;color:var(--muted);line-height:1.45}
.gallery figcaption b{display:block;color:var(--text);font-weight:600;font-size:.96rem;letter-spacing:-.02em}

/* ---------- cards ---------- */
.cards{display:grid;gap:16px;margin-top:0}
@media (min-width:640px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:980px){.cards--3{grid-template-columns:repeat(3,minmax(0,1fr))}}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px 24px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:10px;
}
.card h3{font-size:1.12rem}
.card p{color:var(--muted);font-size:.95rem}
.card--link{color:inherit;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.card--link:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:color-mix(in srgb,var(--accent) 35%,var(--line));text-decoration:none}
.card__more{margin-top:auto;padding-top:8px;font-weight:600;font-size:.93rem;color:var(--accent)}

.examples{display:grid;gap:14px;margin-top:0}
@media (min-width:760px){.examples{grid-template-columns:repeat(2,minmax(0,1fr))}}
.example{
  background:var(--card);border:1px solid var(--line);border-radius:20px;
  padding:22px 22px 20px;position:relative;overflow:hidden;
}
.example::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--accent-grad-end),var(--accent))}
.example p{font-size:1.02rem;letter-spacing:-.015em}
.example span{display:block;margin-top:12px;font-size:.8rem;color:var(--muted);font-family:var(--mono)}

/* ---------- FAQ (Family / Podia split) ---------- */
.faq-layout{display:grid;gap:28px}
@media (min-width:880px){
  .faq-layout{grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);gap:56px;align-items:start}
  .faq-layout .section__head{position:sticky;top:92px;margin-bottom:0}
  .faq-layout .section__head + *{margin-top:0}
}
.faq{margin-top:0;display:grid;gap:0;max-width:none;border:1px solid var(--line);border-radius:24px;overflow:hidden;background:var(--card);box-shadow:var(--shadow-sm)}
.faq details{background:transparent;border:0;border-radius:0;box-shadow:none;border-bottom:1px solid var(--line)}
.faq details:last-child{border-bottom:0}
.faq summary{cursor:pointer;list-style:none;padding:20px 22px;font-weight:600;font-size:1.02rem;display:flex;gap:14px;align-items:flex-start;justify-content:space-between;letter-spacing:-.02em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";width:28px;height:28px;flex:0 0 auto;border-radius:50%;
  background:var(--tint) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'><path fill='none' stroke='%231b6b54' stroke-width='1.6' stroke-linecap='round' d='M6 2.5v7M2.5 6h7'/></svg>") center/12px no-repeat;
}
.faq details[open] summary::after{
  background:var(--tint) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'><path fill='none' stroke='%231b6b54' stroke-width='1.6' stroke-linecap='round' d='M2.5 6h7'/></svg>") center/12px no-repeat;
}
@media (prefers-color-scheme:dark){
  .faq summary::after{
    background:var(--tint) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'><path fill='none' stroke='%235ebf9a' stroke-width='1.6' stroke-linecap='round' d='M6 2.5v7M2.5 6h7'/></svg>") center/12px no-repeat;
  }
  .faq details[open] summary::after{
    background:var(--tint) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'><path fill='none' stroke='%235ebf9a' stroke-width='1.6' stroke-linecap='round' d='M2.5 6h7'/></svg>") center/12px no-repeat;
  }
}
.faq .faq__a{padding:0 22px 20px;color:var(--muted)}
.faq .faq__a a{font-weight:600}

/* ---------- final CTA ---------- */
.final{
  position:relative;overflow:hidden;
  background:
    radial-gradient(80% 80% at 12% 0%,rgba(47,125,91,.38),transparent 50%),
    radial-gradient(70% 70% at 100% 100%,rgba(20,74,58,.55),transparent 46%),
    linear-gradient(145deg,#0a221b,#0e3a2c 58%,#144a3a);
  color:#eaf5f0;border-radius:var(--radius-lg);padding:clamp(44px,7vw,80px) clamp(22px,5vw,48px);
  text-align:center;box-shadow:var(--shadow-lg);
}
.final img{width:80px;height:80px;border-radius:22px;margin:0 auto 22px;box-shadow:var(--shadow-md)}
.final h2{color:#fff;margin-bottom:14px}
.final p{color:#bcd6cb;max-width:48ch;margin:0 auto 30px;font-size:1.05rem}
.final .stores{justify-content:center}
.final .store{background:#fff;color:#0e3a2c}
.final small{display:block;margin-top:20px;color:#93b5a6;font-size:.84rem}

/* ---------- footer ---------- */
.foot{border-top:0;padding-block:56px 36px;background:#0b1210;color:#e6f0eb}
.foot__top{display:grid;gap:32px}
@media (min-width:760px){.foot__top{grid-template-columns:1.5fr 1fr 1fr 1fr}}
.foot__brand{display:flex;align-items:center;gap:11px;font-weight:700;color:#e6f0eb;margin-bottom:14px}
.foot__brand img{width:34px;height:34px;border-radius:9px}
.foot p{color:#8fa399;font-size:.9rem;max-width:34ch}
.foot h4{font-size:.75rem;text-transform:uppercase;letter-spacing:.14em;color:#6f877c;margin-bottom:14px;font-weight:600}
.foot ul{list-style:none;padding:0;display:grid;gap:10px}
.foot ul a{color:#d5e6de;font-size:.92rem;font-weight:500}
.foot ul a:hover{color:#fff}
.foot__bottom{margin-top:40px;padding-top:22px;border-top:1px solid rgba(230,240,235,.1);display:flex;flex-wrap:wrap;gap:10px 22px;justify-content:space-between;color:#6f877c;font-size:.84rem}

/* ---------- sticky mobile CTA ---------- */
.sticky{
  position:fixed;left:12px;right:12px;bottom:12px;z-index:60;
  padding:10px 12px calc(10px + env(safe-area-inset-bottom));
  background:color-mix(in srgb,var(--bg) 86%,transparent);backdrop-filter:blur(16px);
  border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-md);
  display:flex;gap:10px;align-items:center;transform:translateY(140%);transition:transform .22s ease;
}
.sticky[data-show="true"]{transform:translateY(0)}
.sticky img{width:36px;height:36px;border-radius:10px;flex:0 0 auto}
.sticky div{flex:1 1 auto;min-width:0}
.sticky b{display:block;font-size:.9rem;line-height:1.2}
.sticky span{display:block;font-size:.76rem;color:var(--muted)}
.sticky .btn{flex:0 0 auto}
@media (min-width:900px){.sticky{display:none}}

/* ---------- article / guides ---------- */
.crumbs{font-size:.85rem;color:var(--muted);padding-top:18px}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:7px;padding:0;margin:0}
.crumbs li::after{content:"/";margin-left:7px;color:var(--line-strong)}
.crumbs li:last-child::after{content:""}
.crumbs a{color:var(--muted)}
.article{max-width:740px;margin-inline:auto;padding-block:26px 8px}
.article h1{margin-bottom:18px}
.article h2{margin-top:52px;margin-bottom:14px;font-size:clamp(1.4rem,3.4vw,1.95rem)}
.article h3{margin-top:32px;margin-bottom:10px}
.article p{margin-bottom:17px;color:var(--text)}
.article ul,.article ol{margin-bottom:20px;display:grid;gap:8px}
.article li{padding-left:2px}
.article strong{font-weight:600}
.answer{background:var(--tint);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:18px;padding:22px 24px;margin-bottom:34px}
.answer p{margin:0;font-size:1.04rem}
.note{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:18px 20px;margin-bottom:24px;box-shadow:var(--shadow-sm)}
.note p:last-child{margin-bottom:0}
.note b{color:var(--text)}
.table-wrap{overflow-x:auto;margin-bottom:24px;border:1px solid var(--line);border-radius:16px;background:var(--card)}
table{border-collapse:collapse;width:100%;font-size:.93rem;min-width:520px}
th,td{text-align:left;padding:12px 15px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-weight:600;background:var(--tint);white-space:nowrap}
tr:last-child td{border-bottom:0}
.inline-shot{margin:32px 0;display:grid;gap:14px;align-items:center}
@media (min-width:640px){.inline-shot{grid-template-columns:230px minmax(0,1fr);gap:26px}}
.inline-shot .phone{width:100%;max-width:230px}
.inline-shot p{color:var(--muted);font-size:.95rem;margin:0}
.article .final{margin-top:52px}
.related{margin-top:52px}
.related h2{margin-top:0}

.more-row{margin-top:36px;display:flex;justify-content:center}