@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400;1,600&family=Jost:wght@300;400;600;700&display=swap');

/* ─────────────────────────────────────────────────────────────
   BossMomBakes — Sourdough Lead Magnet
   Editorial · Sage & Linen palette
──────────────────────────────────────────────────────────────── */

/* ── TOKENS ───────────────────────────────────────────────── */
:root {
  /* ── Core design system variables */
  --color-bg:          #F0F0EB;
  --color-bg-dark:     #1A1F1A;
  --color-sage-light:  #7A8C78;
  --color-sage:        #4A6247;
  --color-ink:         #1A1F1A;
  --color-linen:       #F0F0EB;
  --color-linen-dark:  #D8DDD0;

  --font-display: 'Playfair Display', serif;
  --font-body:    'Jost', sans-serif;

  /* ── Derived helpers (defined via core tokens) */
  --color-white:      #FAFAF8;
  --color-ink-muted:  #3E443E;
  --color-sage-pale:  #ECF0EB;
  --color-sage-dark:  #374D35;

  --max-w:   680px;
  --radius:  3px;
}

/* ── RESET & BASE ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

/* ── SITE HEADER ──────────────────────────────────────────── */
.site-header {
  background: var(--color-bg-dark);
  position: relative;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem clamp(1.5rem, 5vw, 2.5rem);
}

/* ── HAMBURGER NAV ────────────────────────────────────────── */
.nav-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.35rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  flex-shrink: 0;
}

.bar {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-linen);
  border-radius: 1px;
  transition: transform 0.22s ease, opacity 0.22s ease;
}

.nav-toggle[aria-expanded="true"] .bar:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .bar:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .bar:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

.nav-menu {
  background: var(--color-ink);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.28s ease;
  border-top: 1px solid transparent;
}

.nav-menu.is-open {
  max-height: 160px;
  border-top-color: rgba(240,240,235,0.07);
}

.nav-menu a {
  display: block;
  padding: 0.95rem clamp(1.5rem, 5vw, 2.5rem);
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-linen);
  text-decoration: none;
  border-bottom: 1px solid rgba(240,240,235,0.07);
  transition: color 0.15s;
}

.nav-menu a:last-child { border-bottom: none; }
.nav-menu a:hover      { color: var(--color-sage-light); }

.brand-icon   { color: var(--color-sage-light); font-size: 0.9rem; }
.brand-wordmark {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-linen);
  letter-spacing: 0.03em;
}

/* ── EYEBROW ──────────────────────────────────────────────── */
.eyebrow {
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--color-sage);
  margin-bottom: 0.75rem;
}

/* ── SECTION BASE ─────────────────────────────────────────── */
.section {
  padding: clamp(4rem, 9vw, 7rem) clamp(1.5rem, 5vw, 2.5rem);
}

.section-heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.8vw, 3rem);
  font-weight: 700;
  line-height: 1.12;
  color: var(--color-ink);
  margin-bottom: 1.1rem;
}

.section-heading em {
  font-style: italic;
  color: var(--color-sage);
}

.section-intro {
  font-size: 1rem;
  color: var(--color-ink-muted);
  font-weight: 400;
  max-width: 520px;
  margin-bottom: 3rem;
  line-height: 1.8;
}

/* ── HERO ─────────────────────────────────────────────────── */
.hero {
  background: var(--color-bg-dark);
  background-image:
    radial-gradient(ellipse at 18% 80%, rgba(74,98,71,0.18) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 12%, rgba(122,140,120,0.1) 0%, transparent 50%);
  text-align: center;
  padding: clamp(5rem, 11vw, 8rem) clamp(1.5rem, 5vw, 2.5rem) clamp(4rem, 9vw, 7rem);
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--color-sage);
  opacity: 0.5;
}

.hero-badge {
  display: inline-block;
  background: transparent;
  color: var(--color-sage-light);
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  padding: 0.3rem 0.9rem;
  border: 1px solid var(--color-sage-light);
  border-radius: var(--radius);
  margin-bottom: 1.75rem;
}

.hero-heading {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6.5vw, 4.4rem);
  font-weight: 700;
  line-height: 1.06;
  color: var(--color-linen);
  margin-bottom: 1.35rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-heading em {
  color: var(--color-sage-light);
  font-style: italic;
}

.hero-sub {
  font-size: clamp(1rem, 2.2vw, 1.1rem);
  color: var(--color-linen-dark);
  max-width: 500px;
  margin: 0 auto 2.75rem;
  font-weight: 300;
  line-height: 1.85;
}

.btn-primary {
  display: inline-block;
  background: var(--color-linen);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 1rem 2.5rem;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, transform 0.18s;
}

.btn-primary:hover {
  background: var(--color-linen-dark);
  color: var(--color-ink);
  transform: translateY(-1px);
  text-decoration: none;
}

/* Hero CTA sits on dark bg — ink bg + linen text */
.hero .btn-primary {
  background: var(--color-bg-dark);
  color: var(--color-linen);
  border: 1px solid rgba(240,240,235,0.2);
}

.hero .btn-primary:hover {
  background: var(--color-sage-dark);
  color: var(--color-linen);
}

.btn-full { display: block; width: 100%; text-align: center; }

/* ── WHAT'S INSIDE ────────────────────────────────────────── */
.inside-section {
  background: var(--color-white);
  border-top: 1px solid var(--color-linen-dark);
  border-bottom: 1px solid var(--color-linen-dark);
}

.inside-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.inside-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.inside-item {
  display: flex;
  align-items: flex-start;
  gap: 1.75rem;
}

.inside-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  color: var(--color-sage);
  background: var(--color-sage-pale);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
  margin-top: 3px;
}

.inside-icon svg { width: 100%; height: 100%; }

.inside-text h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 0.35rem;
  line-height: 1.3;
}

.inside-text p {
  font-size: 0.93rem;
  color: var(--color-ink-muted);
  line-height: 1.75;
}

/* ── CALCULATOR ───────────────────────────────────────────── */
.calc-section {
  background: var(--color-linen-dark);
}

.calc-wrapper {
  max-width: var(--max-w);
  margin: 0 auto;
}

.calc-card {
  background: var(--color-white);
  border: 1px solid var(--color-linen-dark);
  border-radius: var(--radius);
  padding: clamp(1.75rem, 5vw, 2.75rem);
  box-shadow: 0 2px 20px rgba(26,31,26,0.07);
}

/* Inputs row */
.calc-inputs {
  display: flex;
  gap: 1.5rem 2.5rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.calc-field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.calc-field--full {
  flex-basis: 100%;
}

.calc-field label {
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.label-note {
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: none;
  color: var(--color-sage-light);
  font-size: 0.65rem;
}

.input-wrapper {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.input-wrapper input[type="number"] {
  background: var(--color-bg);
  border: 1.5px solid var(--color-linen-dark);
  border-radius: var(--radius);
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  padding: 0.45rem 2.5rem 0.45rem 0.8rem;
  width: 150px;
  -moz-appearance: textfield;
  transition: border-color 0.2s;
}

.input-wrapper input[type="number"]::-webkit-inner-spin-button,
.input-wrapper input[type="number"]::-webkit-outer-spin-button { opacity: 0.4; }

.input-wrapper input[type="number"]:focus {
  outline: none;
  border-color: var(--color-sage);
}

.input-unit {
  position: absolute;
  right: 0.7rem;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-sage-light);
  pointer-events: none;
}

/* Hydration buttons */
.hydration-options {
  display: flex;
  gap: 0.5rem;
}

.hydration-btn {
  background: var(--color-bg);
  border: 1.5px solid var(--color-linen-dark);
  border-radius: var(--radius);
  color: var(--color-ink-muted);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.55rem 0.9rem;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.hydration-btn:hover {
  border-color: var(--color-sage-light);
  color: var(--color-sage);
}

.hydration-btn.active {
  background: var(--color-bg-dark);
  border-color: var(--color-bg-dark);
  color: var(--color-linen);
}

/* Slider */
.slider-field {
  margin-bottom: 2rem;
}

.slider-labels {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-body);
  font-size: 0.68rem;
  color: var(--color-sage-light);
  margin-bottom: 0.35rem;
  padding: 0 2px;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: var(--color-linen-dark);
  border-radius: 99px;
  outline: none;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-sage);
  border: 2px solid var(--color-white);
  box-shadow: 0 1px 6px rgba(74,98,71,0.35);
  cursor: grab;
  transition: background 0.15s, transform 0.15s;
}

input[type="range"]::-webkit-slider-thumb:active { cursor: grabbing; transform: scale(1.12); }
input[type="range"]::-moz-range-thumb {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--color-sage);
  border: 2px solid var(--color-white);
  box-shadow: 0 1px 6px rgba(74,98,71,0.35);
  cursor: grab;
}

.slider-track-labels {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-body);
  font-size: 0.67rem;
  color: var(--color-linen-dark);
  margin-top: 0.4rem;
  padding: 0 2px;
}

/* Result blocks — 2×2 grid */
.calc-result {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--color-linen-dark);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 1.75rem;
}

.result-block {
  background: var(--color-bg-dark);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.5rem 1rem;
  gap: 0.25rem;
}

.result-block--highlight {
  background: var(--color-sage);
}

.result-label {
  font-family: var(--font-body);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(240,240,235,0.55);
}

.result-block--highlight .result-label {
  color: rgba(240,240,235,0.75);
}

.result-row {
  display: flex;
  align-items: baseline;
  gap: 0.2rem;
}

.result-value {
  font-family: var(--font-display);
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--color-linen);
  line-height: 1;
  transition: transform 0.2s;
}

.result-block--highlight .result-value {
  font-size: 2.5rem;
}

.result-value.updated {
  transform: scale(1.08);
}

.result-unit {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  color: rgba(240,240,235,0.55);
}

.result-block--highlight .result-unit {
  color: rgba(240,240,235,0.75);
}

.result-note {
  font-family: var(--font-body);
  font-size: 0.62rem;
  color: rgba(240,240,235,0.35);
  letter-spacing: 0.06em;
  margin-top: 0.1rem;
}

.result-block--highlight .result-note {
  color: rgba(240,240,235,0.55);
}

/* Hydration guide bar */
.hydration-guide {
  background: var(--color-bg);
  border: 1px solid var(--color-linen-dark);
  border-radius: var(--radius);
  padding: 1.1rem 1.35rem;
}

.guide-bar {
  height: 4px;
  background: var(--color-linen-dark);
  border-radius: 99px;
  overflow: hidden;
  margin-bottom: 0.85rem;
}

.guide-fill {
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--color-sage-dark), var(--color-sage-light));
  transition: width 0.35s ease;
}

.guide-description {
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--color-ink-muted);
  line-height: 1.6;
}

.guide-description strong {
  color: var(--color-sage);
}

/* ── EMAIL OPT-IN ─────────────────────────────────────────── */
.optin-section {
  background: var(--color-white);
  border-top: 1px solid var(--color-linen-dark);
}

.optin-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  text-align: center;
}

.optin-badge {
  display: inline-block;
  background: var(--color-sage-pale);
  color: var(--color-sage);
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 0.3rem 0.9rem;
  border-radius: var(--radius);
  margin-bottom: 1.1rem;
}

.optin-heading { margin-left: auto; margin-right: auto; }
.optin-intro   { margin-left: auto; margin-right: auto; }

.optin-form {
  background: var(--color-linen);
  border: 1px solid var(--color-linen-dark);
  border-radius: var(--radius);
  padding: clamp(1.75rem, 5vw, 2.5rem);
  text-align: left;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.form-field label {
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.form-field input {
  background: var(--color-white);
  border: 1.5px solid var(--color-linen-dark);
  border-radius: var(--radius);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.7rem 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-field input::placeholder { color: var(--color-sage-light); opacity: 0.6; }

.form-field input:focus {
  outline: none;
  border-color: var(--color-sage);
  box-shadow: 0 0 0 3px rgba(74,98,71,0.1);
}

/* Primary button — ink bg, linen text, no rounding */
.optin-form .btn-primary,
.optin-form .btn-primary:hover {
  background: var(--color-bg-dark);
  color: var(--color-linen);
}

.optin-form .btn-primary:hover {
  background: var(--color-sage-dark);
}

.form-fine-print {
  font-family: var(--font-body);
  font-size: 0.72rem;
  color: var(--color-sage-light);
  text-align: center;
  margin-top: 1rem;
}

/* Success state */
.form-success {
  background: var(--color-linen);
  border: 1px solid var(--color-linen-dark);
  border-radius: var(--radius);
  padding: 3.5rem 2rem;
  text-align: center;
}

.success-icon {
  width: 52px;
  height: 52px;
  background: var(--color-sage);
  color: var(--color-linen);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin: 0 auto 1.1rem;
}

.form-success h3 {
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 0.45rem;
}

.form-success p {
  color: var(--color-ink-muted);
  font-size: 0.95rem;
}

/* ── KIT EMAIL OPT-IN ─────────────────────────────────────── */
.kit-optin {
  background:    var(--color-linen);
  border-top:    1px solid var(--color-linen-dark);
  padding:       80px clamp(1.5rem, 5vw, 2.5rem);
  text-align:    center;
}

.kit-optin-inner {
  max-width: 540px;
  margin:    0 auto;
}

.kit-eyebrow {
  font-family:    var(--font-body);
  font-size:      0.68rem;
  font-weight:    600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color:          var(--color-sage-light);
  margin-bottom:  0.75rem;
}

.kit-headline {
  font-family:   var(--font-display);
  font-size:     clamp(1.6rem, 3.5vw, 1.85rem);
  font-weight:   700;
  font-style:    italic;
  color:         var(--color-ink);
  line-height:   1.15;
  margin-bottom: 0.6rem;
}

.kit-sub {
  font-family:   var(--font-body);
  font-size:     0.9rem;
  font-weight:   300;
  color:         var(--color-sage);
  line-height:   1.7;
  margin-bottom: 2rem;
}

.kit-spam-note {
  font-family:   var(--font-body);
  font-size:     0.75rem;
  font-weight:   300;
  color:         var(--color-sage-light);
  text-align:    center;
  margin-top:    8px;
  line-height:   1.6;
}

/* ── Calculator recipe link ───────────────────────────────── */
.calc-recipe-link {
  text-align:  center;
  margin-top:  2rem;
}

.recipe-text-link {
  font-family:    var(--font-body);
  font-size:      0.72rem;
  font-weight:    600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color:          var(--color-sage);
  text-decoration: none;
  border-bottom:  1px solid transparent;
  transition:     border-color 0.15s, color 0.15s;
}

.recipe-text-link:hover {
  color:        var(--color-ink);
  border-color: var(--color-sage);
}

/* ── FOOTER ───────────────────────────────────────────────── */
.site-footer {
  background: var(--color-bg-dark);
  padding: 3rem 1.5rem;
  text-align: center;
  border-top: 2px solid var(--color-sage-dark);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.55rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.3rem;
}

.footer-brand .brand-icon    { color: var(--color-sage-light); }
.footer-brand .brand-wordmark {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-linen);
}

.footer-handle {
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--color-sage-light);
}

.footer-handle a {
  color: var(--color-sage-light);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.15s;
}

.footer-handle a:hover { color: var(--color-linen); text-decoration: none; }

.footer-copy {
  font-family: var(--font-body);
  font-size: 0.72rem;
  color: var(--color-linen-dark);
  opacity: 0.5;
}

/* ── RESPONSIVE ───────────────────────────────────────────── */
@media (max-width: 600px) {
  .form-row { grid-template-columns: 1fr; }
  .calc-inputs { flex-direction: column; gap: 1.5rem; }
  .hydration-options { flex-wrap: wrap; }
  .result-block { padding: 1.1rem; }
}