/* ==========================================================================
   MemberMine — site styles
   Tokens and contrast rules per docs/website-plan.md
   ========================================================================== */

:root {
  /* Brand — supplied kit, do not alter */
  --mm-blue:        #0D6EFD;  /* Mine Blue   */
  --mm-blue-deep:   #0A58CA;  /* Deep Vein   */
  --mm-blue-facet:  #6EA8FE;  /* Facet Blue  */
  --mm-gold:        #FFD966;  /* Strike Gold */

  /* Extensions — neutrals + tier accents (see plan doc) */
  --mm-ink:         #101828;
  --mm-text:        #344054;
  --mm-muted:       #667085;
  --mm-border:      #E4E7EC;
  --mm-surface:     #F8FAFC;
  --mm-gold-deep:   #8A6A00;
  --mm-silver:      #9AA5B1;
  --mm-bronze:      #B08D57;

  --mm-shadow-sm: 0 1px 2px rgba(16,24,40,.06), 0 1px 3px rgba(16,24,40,.10);
  --mm-shadow-md: 0 4px 8px -2px rgba(16,24,40,.10), 0 2px 4px -2px rgba(16,24,40,.06);
  --mm-shadow-lg: 0 12px 16px -4px rgba(16,24,40,.08), 0 4px 6px -2px rgba(16,24,40,.03);

  --mm-radius:    12px;
  --mm-radius-lg: 20px;
  --mm-maxw:      1120px;

  --mm-step--1: clamp(.875rem, .84rem + .18vw, .95rem);
  --mm-step-0:  clamp(1rem, .96rem + .2vw, 1.0625rem);
  --mm-step-1:  clamp(1.15rem, 1.08rem + .35vw, 1.35rem);
  --mm-step-2:  clamp(1.45rem, 1.3rem + .75vw, 1.9rem);
  --mm-step-3:  clamp(1.8rem, 1.5rem + 1.5vw, 2.6rem);
  --mm-step-4:  clamp(2.2rem, 1.6rem + 3vw, 3.9rem);
}

/* --------------------------------------------------------------- reset -- */

*, *::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; transition-duration: .01ms !important; }
}

body {
  margin: 0;
  font-family: "Open Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: var(--mm-step-0);
  line-height: 1.65;
  color: var(--mm-text);
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; height: auto; display: block; }

h1, h2, h3, h4 {
  color: var(--mm-ink);
  line-height: 1.15;
  margin: 0 0 .5em;
  letter-spacing: -.02em;
  text-wrap: balance;
}
h1 { font-size: var(--mm-step-4); font-weight: 700; }
h2 { font-size: var(--mm-step-3); font-weight: 700; }
h3 { font-size: var(--mm-step-1); font-weight: 600; }

p { margin: 0 0 1rem; text-wrap: pretty; }
p:last-child { margin-bottom: 0; }

a { color: var(--mm-blue-deep); text-underline-offset: .18em; }
a:hover { color: var(--mm-blue); }

:focus-visible {
  outline: 3px solid var(--mm-blue);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--mm-ink); color: #fff;
  padding: .75rem 1.25rem; z-index: 100; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; color: #fff; }

/* ------------------------------------------------------------- layout --- */

.wrap { width: min(100% - 2.5rem, var(--mm-maxw)); margin-inline: auto; }

section { padding: clamp(3.5rem, 8vw, 6.5rem) 0; }
.band { background: var(--mm-surface); border-block: 1px solid var(--mm-border); }
.band-ink { background: var(--mm-ink); }
.band-ink, .band-ink p { color: #D5DAE3; }
.band-ink h2, .band-ink h3 { color: #fff; }

.section-head { max-width: 46rem; margin-bottom: clamp(2rem, 4vw, 3rem); }
.section-head.center { margin-inline: auto; text-align: center; }

.eyebrow {
  display: inline-block;
  font-size: var(--mm-step--1);
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--mm-blue-deep);
  margin-bottom: .75rem;
}
.band-ink .eyebrow { color: var(--mm-gold); }

.lede { font-size: var(--mm-step-1); color: var(--mm-muted); font-weight: 300; }
.band-ink .lede { color: #AEB6C4; }

.grid { display: grid; gap: 1.5rem; }
@media (min-width: 700px)  { .grid-2 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px)  { .grid-3 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 700px)  { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .grid-4 { grid-template-columns: repeat(4, 1fr); } }

/* ------------------------------------------------------------ buttons --- */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font: inherit; font-weight: 700;
  padding: .9rem 1.6rem;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform .12s ease, box-shadow .12s ease, background-color .12s ease;
}
.btn:active { transform: translateY(1px); }

/* Gold background + Ink label — the only compliant CTA pairing (~16:1). */
.btn-primary {
  background: var(--mm-gold);
  color: var(--mm-ink);
  box-shadow: var(--mm-shadow-md);
}
.btn-primary:hover { background: #FFCE3D; color: var(--mm-ink); }

.btn-secondary {
  background: #fff;
  color: var(--mm-blue-deep);
  border-color: var(--mm-border);
  box-shadow: var(--mm-shadow-sm);
}
.btn-secondary:hover { border-color: var(--mm-blue-facet); color: var(--mm-blue-deep); }

.btn-lg { padding: 1.05rem 2rem; font-size: var(--mm-step-1); }
.btn-block { width: 100%; }

.cta-note {
  font-size: var(--mm-step--1);
  color: var(--mm-muted);
  margin-top: .85rem;
}
.band-ink .cta-note { color: #98A2B3; }

/* ------------------------------------------------------------- header --- */

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--mm-border);
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; min-height: 68px;
}
.brand { display: inline-flex; align-items: center; gap: .6rem; text-decoration: none; }
.brand svg { width: 34px; height: 34px; flex: none; }
.brand-word {
  font-size: 1.45rem; font-weight: 300; letter-spacing: -.01em; line-height: 1;
  color: var(--mm-blue-deep);
}
.brand-word b { font-weight: 300; color: var(--mm-blue); }

.nav { display: none; gap: 1.75rem; align-items: center; }
.nav a { color: var(--mm-text); text-decoration: none; font-size: var(--mm-step--1); font-weight: 600; }
.nav a:hover { color: var(--mm-blue-deep); }
@media (min-width: 880px) { .nav { display: flex; } }
.header-cta { display: none; }
@media (min-width: 620px) { .header-cta { display: inline-flex; padding: .6rem 1.15rem; } }

/* --------------------------------------------------------------- hero --- */

.hero { padding-top: clamp(3rem, 7vw, 5rem); }
.hero-grid { display: grid; gap: clamp(2.5rem, 5vw, 4rem); align-items: center; }
@media (min-width: 960px) { .hero-grid { grid-template-columns: 1.05fr .95fr; } }

.hero h1 { margin-bottom: .6rem; }
.hero .lede { margin-bottom: 1.75rem; max-width: 34rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .85rem; }

/* vertical selector ------------------------------------------------------ */

.vertical-picker { margin-bottom: 1.5rem; }
.vertical-picker legend,
.vertical-label {
  font-size: var(--mm-step--1); font-weight: 700; color: var(--mm-muted);
  margin-bottom: .6rem; display: block; padding: 0;
}
.chips { display: flex; flex-wrap: wrap; gap: .45rem; border: 0; padding: 0; margin: 0; }
.chip {
  font: inherit; font-size: var(--mm-step--1); font-weight: 600;
  padding: .4rem .85rem; border-radius: 999px;
  border: 1px solid var(--mm-border); background: #fff; color: var(--mm-text);
  cursor: pointer; transition: all .12s ease;
}
.chip:hover { border-color: var(--mm-blue-facet); color: var(--mm-blue-deep); }
.chip[aria-pressed="true"] {
  background: var(--mm-blue-deep); border-color: var(--mm-blue-deep); color: #fff;
}

/* phone mock ------------------------------------------------------------- */

.phone {
  position: relative;
  border-radius: 34px;
  padding: 10px;
  background: linear-gradient(160deg, var(--mm-blue-deep), var(--mm-blue) 55%, var(--mm-blue-facet));
  box-shadow: var(--mm-shadow-lg);
  max-width: 320px;
  margin-inline: auto;
}
.phone-screen {
  border-radius: 26px; overflow: hidden; background: #fff;
  aspect-ratio: 9 / 19.2;
  display: grid; place-items: center; text-align: center;
  border: 1px solid rgba(255,255,255,.5);
}
.phone-screen img { width: 100%; height: 100%; object-fit: cover; }

/* Visible placeholder until real adb screenshots land in assets/img. */
.shot-placeholder {
  padding: 1.5rem;
  font-size: var(--mm-step--1);
  color: var(--mm-muted);
  background:
    repeating-linear-gradient(45deg, var(--mm-surface) 0 12px, #fff 12px 24px);
  width: 100%; height: 100%;
  display: grid; place-content: center; gap: .5rem;
}
.shot-placeholder b { display: block; color: var(--mm-blue-deep); font-size: var(--mm-step-0); }
.shot-placeholder code { font-size: .75rem; color: var(--mm-muted); word-break: break-all; }

/* ---------------------------------------------------------- pain cards -- */

.pain-list { display: grid; gap: 1rem; counter-reset: pain; }
@media (min-width: 800px) { .pain-list { grid-template-columns: repeat(3, 1fr); } }
.pain {
  background: #fff; border: 1px solid var(--mm-border); border-radius: var(--mm-radius);
  padding: 1.6rem; box-shadow: var(--mm-shadow-sm);
}
.pain h3 { margin-bottom: .35rem; }
.pain p { color: var(--mm-muted); font-size: var(--mm-step--1); }

/* --------------------------------------------------------------- steps -- */

.steps { display: grid; gap: 2rem; counter-reset: step; }
@media (min-width: 860px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.step { counter-increment: step; }
.step::before {
  content: counter(step);
  display: grid; place-items: center;
  width: 44px; height: 44px; margin-bottom: 1rem;
  border-radius: 50%;
  background: var(--mm-gold); color: var(--mm-ink);
  font-weight: 700; font-size: 1.15rem;
}

/* ------------------------------------------------------------ features -- */

.feature {
  background: #fff; border: 1px solid var(--mm-border);
  border-radius: var(--mm-radius); padding: 1.5rem; height: 100%;
  box-shadow: var(--mm-shadow-sm);
}
.feature .ico {
  width: 40px; height: 40px; border-radius: 10px; margin-bottom: .9rem;
  display: grid; place-items: center;
  background: rgba(13,110,253,.10); color: var(--mm-blue-deep);
}
.feature .ico svg { width: 21px; height: 21px; }
.feature h3 { font-size: var(--mm-step-0); margin-bottom: .3rem; }
.feature p { font-size: var(--mm-step--1); color: var(--mm-muted); }

/* --------------------------------------------------------- demo strips -- */

.demo { display: grid; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
@media (min-width: 900px) { .demo { grid-template-columns: 1fr 1fr; } }
.demo + .demo { margin-top: clamp(3rem, 6vw, 5rem); }
@media (min-width: 900px) { .demo.flip .demo-media { order: -1; } }
.demo-copy h3 { font-size: var(--mm-step-2); }
.demo-copy .outcome {
  border-left: 3px solid var(--mm-gold);
  padding-left: 1rem; margin-top: 1.25rem;
  color: var(--mm-ink); font-weight: 600;
}

/* -------------------------------------------------------- comparison ---- */

.compare { width: 100%; border-collapse: collapse; font-size: var(--mm-step--1); }
.compare-scroll { overflow-x: auto; border: 1px solid var(--mm-border); border-radius: var(--mm-radius); background: #fff; }
.compare th, .compare td { padding: .95rem 1.1rem; text-align: left; border-bottom: 1px solid var(--mm-border); }
.compare thead th { background: var(--mm-surface); color: var(--mm-ink); font-weight: 700; white-space: nowrap; }
.compare tbody th { font-weight: 600; color: var(--mm-ink); }
.compare tr:last-child th, .compare tr:last-child td { border-bottom: 0; }
.compare .col-mm { background: rgba(13,110,253,.05); font-weight: 600; color: var(--mm-ink); }

/* ------------------------------------------------------------- pricing -- */

.tiers { display: grid; gap: 1.5rem; align-items: start; max-width: 46rem; margin-inline: auto; }
@media (min-width: 780px) { .tiers { grid-template-columns: repeat(2, 1fr); } }

.tier {
  position: relative; background: #fff;
  border: 1px solid var(--mm-border); border-radius: var(--mm-radius-lg);
  padding: 2rem 1.75rem; box-shadow: var(--mm-shadow-sm);
}
.tier-featured {
  border-color: var(--mm-blue); box-shadow: var(--mm-shadow-lg);
}
@media (min-width: 780px) { .tier-featured { transform: translateY(-10px); } }

.tier-badge {
  position: absolute; top: -.85rem; left: 50%; transform: translateX(-50%);
  background: var(--mm-gold); color: var(--mm-ink);
  font-size: .74rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase;
  padding: .3rem .85rem; border-radius: 999px; white-space: nowrap;
}
.tier-name { display: flex; align-items: center; gap: .55rem; margin-bottom: .2rem; }
.tier-name h3 { margin: 0; font-size: var(--mm-step-2); }
.tier-dot { width: 12px; height: 12px; border-radius: 50%; flex: none; }
.tier-dot.silver { background: var(--mm-silver); }
.tier-dot.gold   { background: var(--mm-gold); }
.tier-for { color: var(--mm-muted); font-size: var(--mm-step--1); margin-bottom: 1.25rem; }
.tier-price { display: flex; align-items: baseline; gap: .35rem; margin-bottom: .25rem; }
.tier-price .amount { font-size: var(--mm-step-3); font-weight: 700; color: var(--mm-ink); letter-spacing: -.03em; }
.tier-price .per { color: var(--mm-muted); font-size: var(--mm-step--1); }
.tier-trial { font-size: var(--mm-step--1); color: var(--mm-muted); margin-bottom: 1.4rem; }
.tier ul { list-style: none; padding: 0; margin: 1.5rem 0 0; display: grid; gap: .65rem; }
.tier li { display: flex; gap: .6rem; align-items: flex-start; font-size: var(--mm-step--1); }
.tier li svg { width: 18px; height: 18px; flex: none; margin-top: .22em; color: var(--mm-blue); }

.price-tbd {
  display: inline-block; background: var(--mm-gold); color: var(--mm-ink);
  font-size: .7rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase;
  padding: .15rem .5rem; border-radius: 4px; vertical-align: middle;
}

/* ----------------------------------------------------------------- faq -- */

.faq { max-width: 46rem; margin-inline: auto; display: grid; gap: .75rem; }
.faq details {
  background: #fff; border: 1px solid var(--mm-border);
  border-radius: var(--mm-radius); padding: 1.15rem 1.4rem;
}
.faq details[open] { border-color: var(--mm-blue-facet); }
.faq summary {
  cursor: pointer; font-weight: 600; color: var(--mm-ink);
  list-style: none; display: flex; justify-content: space-between; gap: 1rem; align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; font-size: 1.5rem; font-weight: 300; color: var(--mm-blue); line-height: 1; flex: none;
}
.faq details[open] summary::after { content: "\2212"; }
.faq details > p { margin-top: .85rem; color: var(--mm-muted); font-size: var(--mm-step--1); }

/* ---------------------------------------------------------------- form -- */

.signup {
  background: #fff; border-radius: var(--mm-radius-lg);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  box-shadow: var(--mm-shadow-lg); max-width: 30rem; width: 100%;
}
.field { margin-bottom: 1rem; text-align: left; }
.field label { display: block; font-size: var(--mm-step--1); font-weight: 600; color: var(--mm-ink); margin-bottom: .35rem; }
.field input, .field select {
  width: 100%; font: inherit; font-size: var(--mm-step-0);
  padding: .75rem .9rem; border-radius: 8px;
  border: 1px solid var(--mm-border); background: #fff; color: var(--mm-text);
}
.field input:focus, .field select:focus { border-color: var(--mm-blue); }
.form-note { font-size: var(--mm-step--1); color: var(--mm-muted); margin-top: .85rem; text-align: center; }
.form-status { margin-top: 1rem; font-size: var(--mm-step--1); font-weight: 600; }
.form-status[data-state="ok"]  { color: #067647; }
.form-status[data-state="err"] { color: #B42318; }

/* -------------------------------------------------------------- footer -- */

.site-footer { background: var(--mm-ink); color: #98A2B3; padding: 3.5rem 0 2.5rem; font-size: var(--mm-step--1); }
.site-footer a { color: #D5DAE3; text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.footer-grid { display: grid; gap: 2rem; margin-bottom: 2.5rem; }
@media (min-width: 720px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; } }
.site-footer .brand-word { color: #fff; }
.site-footer .brand-word b { color: var(--mm-blue-facet); }
.site-footer h4 { color: #fff; font-size: var(--mm-step--1); text-transform: uppercase; letter-spacing: .08em; margin-bottom: .9rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .55rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding-top: 1.75rem; display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; }

/* --------------------------------------------------------------- utils -- */

.center { text-align: center; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.stack-cta { display: flex; flex-direction: column; align-items: center; gap: .25rem; }

/* ------------------------------------------------------- simple pages --- */

.doc { padding: clamp(3rem, 7vw, 5rem) 0; }
.doc .wrap { max-width: 46rem; }
.doc h1 { font-size: var(--mm-step-3); margin-bottom: .35rem; }
.doc .updated { color: var(--mm-muted); font-size: var(--mm-step--1); margin-bottom: 2.5rem; }
.doc h2 { font-size: var(--mm-step-1); margin-top: 2.5rem; }
.doc ul { padding-left: 1.25rem; }
.doc li { margin-bottom: .5rem; }
.notice {
  border: 1px solid var(--mm-gold);
  background: #FFFBEB;
  border-radius: var(--mm-radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
}
.notice strong { color: var(--mm-ink); }