/* ============================================================
   OptyPeptides — Meridian
   Design tokens + component styles
   Fonts: DM Serif Display (400/italic) + Manrope (400-800)
   ============================================================ */

/* Fonts loaded via <link> in <head> — no @import (render-blocking) */

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
img, svg { display: block; }
a { color: inherit; }
button { font: inherit; cursor: pointer; border: none; background: none; }

/* ── Tokens ─────────────────────────────────────────────────── */
:root {
  --bg:         #F4F1E8;
  --panel:      #FBFAF4;
  --ink:        #262B27;
  --muted:      #6A726B;
  --faint:      #9AA096;
  --sage:       #7C9079;
  --sage-deep:  #465A4A;
  --sage-hover: #384A3B;
  --line:       rgba(38,43,39,.12);
  --ph-fill:    #E6EADD;

  --on-dark:       #D6D9D2;
  --on-dark-strong:#F4F1E8;
  --on-dark-faint: #7A8077;

  --serif: "DM Serif Display", Georgia, serif;
  --sans:  "Manrope", system-ui, -apple-system, sans-serif;

  --wrap-max:  1180px;
  --wrap-pad:  56px;
  --section-y: 118px;

  --r-btn:  10px;
  --r-card: 16px;
  --r-pill: 999px;
  --r-mark: 9px;

  --shadow-float: 0 -2px 40px rgba(70,90,74,.07);
  --shadow-card:  0 24px 60px rgba(70,90,74,.08);
  --ease: .25s ease;
}

@media (max-width: 768px) {
  :root {
    --wrap-pad:  22px;
    --section-y: 72px;
  }
}

/* ── Base ───────────────────────────────────────────────────── */
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15.5px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.05;
  color: var(--ink);
  text-wrap: balance;
}

p { text-wrap: pretty; }

.it { font-style: italic; color: var(--sage-deep); }

/* ── Layout ─────────────────────────────────────────────────── */
.wrap {
  max-width: var(--wrap-max);
  margin: 0 auto;
  padding: 0 var(--wrap-pad);
}

.blk { padding: var(--section-y) 0; }

.panel-bg {
  background: var(--panel);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

/* ── Eyebrow ────────────────────────────────────────────────── */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--sage-deep);
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: currentColor;
  opacity: .55;
  flex: none;
}
.eyebrow-center { justify-content: center; }
.eyebrow-center::before { display: none; }

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 14.5px;
  border-radius: var(--r-btn);
  padding: 15px 28px;
  text-decoration: none;
  transition: var(--ease);
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary { background: var(--sage-deep); color: var(--panel); }
.btn-primary:hover { background: var(--sage-hover); }
.btn-ghost { background: var(--panel); color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--sage-deep); color: var(--sage-deep); }
.btn-full { width: 100%; }

/* ── Logo ────────────────────────────────────────────────────── */
.brand {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex: none;
}
.brand-logo {
  height: 32px;
  width: auto;
  display: block;
}
footer .brand-logo {
  /* SVG is dark — invert to show on dark footer bg */
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

/* ── Header / Nav ───────────────────────────────────────────── */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(244,241,232,.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
  gap: 24px;
}
.menu {
  display: flex;
  align-items: center;
  gap: 36px;
}
.menu a {
  font-size: 14.5px;
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--ease);
}
.menu a:hover { color: var(--ink); }
.nav-cta {
  display: flex;
  align-items: center;
  gap: 20px;
  flex: none;
}
.nav-cta .login {
  font-size: 14.5px;
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
  white-space: nowrap;
  transition: color var(--ease);
}
.nav-cta .login:hover { color: var(--ink); }
.nav-cta .btn { padding: 11px 22px; }

/* Hamburger (mobile) */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  cursor: pointer;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: var(--ease);
}
.nav-mobile {
  display: none;
  flex-direction: column;
  gap: 0;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  padding: 12px 0;
}
.nav-mobile a {
  display: block;
  padding: 12px var(--wrap-pad);
  font-size: 15px;
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--ease);
}
.nav-mobile a:hover { color: var(--ink); }
.nav-mobile .btn { margin: 12px var(--wrap-pad) 4px; }
.nav-mobile.open { display: flex; }

/* ── Download bar ───────────────────────────────────────────── */
.download-bar {
  height: 44px;
  background: var(--sage-deep);
  display: flex;
  align-items: center;
}
.download-label {
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,.7);
  white-space: nowrap;
}
.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 700;
  color: var(--panel);
  text-decoration: none;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--r-pill);
  padding: 6px 14px;
  transition: background var(--ease), border-color var(--ease);
  white-space: nowrap;
}
.download-btn:hover {
  background: rgba(255,255,255,.2);
  border-color: rgba(255,255,255,.35);
}
@media (max-width: 480px) {
  .download-label { display: none; }
  .download-bar { height: auto; padding: 8px 0; }
}

/* ── Image placeholder ──────────────────────────────────────── */
.ph {
  position: relative;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background-color: var(--ph-fill);
  background-image: repeating-linear-gradient(
    135deg,
    rgba(70,90,74,.11) 0 1px,
    transparent 1px 12px
  );
}
.ph span {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 11px;
  letter-spacing: .05em;
  color: var(--sage-deep);
  background: rgba(251,250,244,.88);
  padding: 6px 11px;
  border-radius: 4px;
  margin: 14px;
  text-transform: lowercase;
}

/* ── Browser mock ───────────────────────────────────────────── */
.browser {
  max-width: 1000px;
  margin: 64px auto 0;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px 16px 0 0;
  box-shadow: var(--shadow-float);
  overflow: hidden;
}
.browser .bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
}
.browser .dot {
  width: 11px; height: 11px;
  border-radius: 50%;
  background: #D8D6CB;
}
.browser .addr {
  margin-left: 14px;
  font-family: ui-monospace, monospace;
  font-size: 12px;
  color: var(--faint);
  background: var(--bg);
  padding: 5px 14px;
  border-radius: 6px;
}
.browser .ph { height: 430px; width: 100%; }

/* ── Hero ───────────────────────────────────────────────────── */
.hero {
  text-align: center;
  padding: 76px 0 0;
}
.hero h1 {
  font-size: 62px;
  margin: 24px auto 0;
  max-width: 18ch;
}
.hero .sub {
  font-size: 18px;
  color: var(--muted);
  max-width: 52ch;
  margin: 26px auto 0;
}
.hero-cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  margin-top: 32px;
  flex-wrap: wrap;
}
.trust {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.trust .item {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.trust .n {
  font-family: var(--serif);
  font-size: 30px;
  color: var(--sage-deep);
  line-height: 1;
}
.trust .l {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--faint);
  margin-top: 8px;
}

/* ── Section head (centered) ────────────────────────────────── */
.sec-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}
.sec-head h2 { font-size: 50px; margin-top: 18px; }
.sec-head .lead { font-size: 18px; color: var(--muted); margin-top: 18px; }

/* ── Split section ──────────────────────────────────────────── */
.split {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 64px;
  align-items: start;
}
.split-head h2 { font-size: 50px; margin-top: 20px; }
.split-head .lead { font-size: 18px; color: var(--muted); margin-top: 20px; max-width: 34ch; }
.stack { display: flex; flex-direction: column; gap: 22px; }

/* ── Card ───────────────────────────────────────────────────── */
.card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  padding: 38px 40px;
}
.panel-bg .card { background: var(--panel); }
.card .tag {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--sage);
}
.card h3 { font-size: 30px; margin: 12px 0 12px; }
.card .desc { color: var(--muted); font-size: 15.5px; max-width: 48ch; }
.card ul {
  list-style: none;
  margin-top: 22px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 13px;
}
.card li { display: flex; align-items: center; gap: 12px; font-size: 14.5px; }
.card li::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--sage);
  flex: none;
}

/* ── Steps ──────────────────────────────────────────────────── */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 70px;
}
.step { text-align: left; }
.step .num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px; height: 54px;
  border-radius: 14px;
  background: var(--sage-deep);
  color: var(--panel);
  font-family: var(--serif);
  font-size: 24px;
}
.step h3 { font-size: 25px; margin: 22px 0 12px; }
.step p { color: var(--muted); font-size: 15.5px; }

/* ── Capability cards ───────────────────────────────────────── */
.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 64px;
}
.cap {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  padding: 34px 32px;
  transition: border-color var(--ease), transform var(--ease);
}
.panel-bg .cap { background: var(--panel); }
.cap:hover { border-color: var(--sage); transform: translateY(-3px); }
.cap .ico {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: var(--ph-fill);
  display: flex;
  align-items: center;
  justify-content: center;
}
.cap .ico svg {
  width: 22px; height: 22px;
  stroke: var(--sage-deep);
  fill: none;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.cap h3 { font-size: 23px; margin: 22px 0 10px; }
.cap p { color: var(--muted); font-size: 15px; }

/* ── Why / benefits ─────────────────────────────────────────── */
.why {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 72px;
  align-items: center;
}
.why .ph {
  height: 100%;
  min-height: 440px;
  width: 100%;
  border-radius: 18px;
}
.why-list { display: flex; flex-direction: column; gap: 30px; margin-top: 40px; }
.why-item { display: flex; gap: 20px; align-items: flex-start; }
.why-item .bdg {
  flex: none;
  width: 42px; height: 42px;
  border-radius: 11px;
  background: var(--sage-deep);
  color: var(--panel);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-size: 19px;
}
.why-item h3 { font-size: 21px; margin-bottom: 6px; }
.why-item p { color: var(--muted); font-size: 15px; max-width: 42ch; }

/* ── Pricing ────────────────────────────────────────────────── */
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 64px;
  align-items: stretch;
}
.price-grid-4 {
  grid-template-columns: repeat(4, 1fr);
}
.pprice-label {
  font-family: var(--serif);
  font-size: 20px;
  color: var(--ink);
  margin: 12px 0 4px;
  line-height: 1.1;
}
.tier.feat .pprice-label { color: #F4F1E8; }
.tier {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
}
.panel-bg .tier { background: var(--panel); }
.tier.feat { background: var(--ink); color: #D6D9D2; border-color: var(--ink); }
.tier .pname {
  font-size: 11px; font-weight: 700;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--sage);
}
.tier.feat .pname { color: #A9BBA0; }
.tier .pprice {
  font-family: var(--serif);
  font-size: 46px;
  line-height: 1;
  margin: 18px 0 4px;
  color: var(--ink);
}
.tier.feat .pprice { color: #F4F1E8; }
.tier .pper { font-size: 13px; color: var(--faint); }
.tier .pdesc {
  font-size: 14.5px; color: var(--muted);
  margin: 18px 0 24px; padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.tier.feat .pdesc { color: #A9B0A8; border-color: rgba(255,255,255,.14); }
.tier ul { list-style: none; display: flex; flex-direction: column; gap: 13px; flex: 1; }
.tier li { display: flex; align-items: flex-start; gap: 11px; font-size: 14.5px; }
.tier li svg {
  width: 16px; height: 16px; flex: none; margin-top: 3px;
  stroke: var(--sage-deep); fill: none; stroke-width: 2;
  stroke-linecap: round; stroke-linejoin: round;
}
.tier.feat li svg { stroke: #A9BBA0; }
.tier .btn { margin-top: 30px; justify-content: center; }
.tier.feat .btn-primary { background: var(--sage); color: var(--ink); }
.tier.feat .btn-primary:hover { background: #8fa389; }
.price-ribbon {
  font-size: 11px; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--sage);
  background: rgba(124,144,121,.16);
  padding: 5px 12px;
  border-radius: var(--r-pill);
  align-self: flex-start;
  margin-bottom: 18px;
}

/* ── Mission band ───────────────────────────────────────────── */
.mission {
  position: relative;
  background-color: var(--sage-deep);
  background-image: url('/images/clinic-lobby.jpg');
  background-size: cover;
  background-position: center;
  color: #EAEFE3;
  padding: 120px 0;
  text-align: center;
  overflow: hidden;
}
.mission::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(70, 90, 74, 0.82);
  z-index: 0;
}
.mission .wrap { position: relative; z-index: 1; }
.mission .eyebrow { color: #C5D2BC; justify-content: center; }
.mission .eyebrow::before { display: none; }
.mission h2 { color: #F4F1E8; font-size: 46px; max-width: 20ch; margin: 18px auto 0; line-height: 1.18; }
.mission p { color: #CDD7C6; font-size: 18px; max-width: 60ch; margin: 26px auto 0; }

/* ── Demo form ──────────────────────────────────────────────── */
.demo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.demo-copy .lead { font-size: 18px; color: var(--muted); max-width: 42ch; margin-top: 20px; }
.demo-copy h2 { font-size: 50px; margin-top: 20px; }
.demo-checks { display: flex; flex-direction: column; gap: 18px; margin-top: 34px; }
.demo-check { display: flex; gap: 14px; align-items: center; }
.demo-check .bdg {
  flex: none; width: 34px; height: 34px;
  border-radius: 9px;
  background: var(--sage-deep); color: var(--panel);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--serif); font-size: 15px;
}
.demo-check p { font-weight: 600; font-size: 15px; }
.form-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 44px 42px;
  box-shadow: var(--shadow-card);
}
.field { margin-bottom: 20px; }
.field label {
  display: block;
  font-size: 12px; font-weight: 700;
  letter-spacing: .04em;
  color: var(--ink);
  margin-bottom: 8px;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  font-family: var(--sans);
  font-size: 15px;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--r-btn);
  padding: 13px 15px;
  transition: border-color var(--ease), box-shadow var(--ease);
  appearance: none;
}
.field input::placeholder,
.field textarea::placeholder { color: var(--faint); }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--sage-deep);
  box-shadow: 0 0 0 3px rgba(70,90,74,.12);
}
.field textarea { resize: vertical; min-height: 90px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field-row .field { margin-bottom: 0; }
.form-note { font-size: 12.5px; color: var(--faint); text-align: center; margin-top: 14px; }

/* ── Footer ─────────────────────────────────────────────────── */
footer {
  background: var(--ink);
  color: #D6D9D2;
  padding: 62px 0 38px;
}
.fnav {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  flex-wrap: wrap;
}
footer .brand { color: #F4F1E8; }
footer .mark { background: var(--sage); }
footer .mark::after { background: var(--ink); }
footer .tagline { color: #8E948B; font-size: 14.5px; max-width: 30ch; margin-top: 18px; }
.fcol h4 {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: #7A8077;
  font-weight: 700;
  margin-bottom: 18px;
}
.fcol a {
  display: block;
  color: #CCD0C9;
  text-decoration: none;
  font-size: 15px;
  margin-bottom: 13px;
  transition: color var(--ease);
}
.fcol a:hover { color: #fff; }
.copy {
  border-top: 1px solid rgba(255,255,255,.1);
  margin-top: 50px;
  padding-top: 24px;
  font-size: 13px;
  color: #7A8077;
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .cap-grid { grid-template-columns: repeat(2, 1fr); }
  .price-grid { grid-template-columns: 1fr; max-width: 480px; margin-left: auto; margin-right: auto; }
  .price-grid-4 { grid-template-columns: repeat(2, 1fr); max-width: 100%; }
}

@media (max-width: 768px) {
  /* Nav */
  .menu, .nav-cta { display: none; }
  .hamburger { display: flex; }

  /* Hero */
  .hero h1 { font-size: 38px; }
  .hero .sub { font-size: 16px; }

  /* Sections */
  .sec-head h2 { font-size: 32px; }
  .split { grid-template-columns: 1fr; gap: 48px; }
  .split-head h2 { font-size: 32px; }
  .steps { grid-template-columns: 1fr; }
  .cap-grid { grid-template-columns: 1fr; }
  .why { grid-template-columns: 1fr; }
  .why .ph { min-height: 280px; }
  .demo-grid { grid-template-columns: 1fr; }
  .mission h2 { font-size: 32px; }
  .form-card { padding: 32px 24px; }
  .field-row { grid-template-columns: 1fr; }
  .field-row .field { margin-bottom: 20px; }

  /* Cards */
  .card ul { grid-template-columns: 1fr; }
  .browser .ph { height: 240px; }
  .price-grid-4 { grid-template-columns: 1fr; max-width: 420px; margin-left: auto; margin-right: auto; }

  /* Footer */
  .fnav { flex-direction: column; gap: 32px; }
}
