/* ============================================
   The No Gym Way — landing page styles
   Palette: warm paper background, deep ink text,
   one accent (trail green) used sparingly.
   ============================================ */

/* Self-hosted Google Fonts (latin subset, variable). */
@font-face {
  font-family: "Fraunces";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("fonts/fraunces-latin.woff2") format("woff2");
}

@font-face {
  font-family: "Fraunces";
  font-style: italic;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/fraunces-italic-latin.woff2") format("woff2");
}

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("fonts/inter-latin.woff2") format("woff2");
}

:root {
  --paper: #faf6ef;
  --paper-alt: #f2ece0;
  --ink: #241f18;
  --ink-soft: #55503f;
  --accent: #3f6a4e;
  --accent-dark: #2e4f39;
  --line: #e4dbc9;
  --max-width: 1100px;

  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.narrow {
  max-width: 720px;
}

.center {
  text-align: center;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.5em;
  color: var(--ink);
}

h2 {
  font-size: clamp(1.6rem, 3.2vw, 2.3rem);
}

h3 {
  font-size: 1.2rem;
  font-weight: 600;
}

p {
  margin: 0 0 1.1em;
}

em {
  font-style: italic;
}

a {
  color: var(--accent-dark);
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 246, 239, 0.92);
  backdrop-filter: saturate(140%) blur(6px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.01em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}

.nav a:hover {
  color: var(--ink);
}

.nav-cta {
  background: var(--accent);
  color: #fff !important;
  padding: 8px 16px;
  border-radius: 999px;
  transition: background 0.15s ease;
}

.nav-cta:hover {
  background: var(--accent-dark);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--ink);
  border-radius: 2px;
}

/* ---------- Hero ---------- */

.hero {
  padding: 96px 0 72px;
}

.hero-inner {
  max-width: 760px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-dark);
  margin: 0 0 18px;
}

.hero h1 {
  font-size: clamp(2.8rem, 8vw, 4.6rem);
  margin-bottom: 0.15em;
}

.subtitle {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  color: var(--ink-soft);
  margin-bottom: 0.9em;
}

.hero-copy {
  font-size: 1.05rem;
  color: var(--ink-soft);
  max-width: 560px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-dark);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}

.btn-ghost:hover {
  border-color: var(--ink-soft);
}

/* ---------- Quote band ---------- */

.quote-band {
  background: var(--accent);
  padding: 52px 0;
}

.quote-band blockquote {
  margin: 0;
  max-width: 760px;
  margin: 0 auto;
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  line-height: 1.45;
  color: #fdfbf5;
  text-align: center;
}

/* ---------- Sections ---------- */

.section {
  padding: 84px 0;
}

.section.alt {
  background: var(--paper-alt);
}

.section-lede {
  font-size: 1.08rem;
  color: var(--ink-soft);
  max-width: 620px;
}

.section.center .section-lede,
.narrow.center .section-lede {
  margin-left: auto;
  margin-right: auto;
}

.section-note {
  font-size: 0.95rem;
  font-style: italic;
  color: var(--ink-soft);
  max-width: 620px;
  margin-top: 32px;
}

.section.center .section-note {
  margin-left: auto;
  margin-right: auto;
}

.story-teaser {
  font-style: italic;
  color: var(--ink-soft);
  border-left: 3px solid var(--accent);
  padding-left: 18px;
  margin-top: 1.6em;
}

/* ---------- Cards ---------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px;
}

.card-num {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-dark);
  margin-bottom: 10px;
}

.card h3 {
  margin-bottom: 0.4em;
}

.card p {
  color: var(--ink-soft);
  margin-bottom: 0;
  font-size: 0.97rem;
}

/* ---------- FAQ ---------- */

.faq-list {
  margin-top: 36px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.faq-item {
  border-top: 1px solid var(--line);
  padding-top: 20px;
}

.faq-item h3 {
  font-size: 1.05rem;
  margin-bottom: 0.4em;
}

.faq-item p {
  color: var(--ink-soft);
  margin-bottom: 0;
}

.section-note + .section-note {
  margin-top: 10px;
}

/* ---------- Calculator page ---------- */

.page-hero {
  padding: 72px 0 48px;
}

.page-hero h1 {
  font-size: clamp(2.1rem, 5.5vw, 3.4rem);
  margin-bottom: 0.4em;
}

.calc {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 32px;
  align-items: start;
}

.calc-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 20px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field label {
  font-weight: 600;
  font-size: 0.92rem;
}

.field input,
.field select {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
}

.field input:focus,
.field select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.hint {
  font-size: 0.8rem;
  color: var(--ink-soft);
  line-height: 1.4;
}

.calc-result {
  background: var(--accent);
  color: #fdfbf5;
  border-radius: 16px;
  padding: 28px;
  position: sticky;
  top: 88px;
}

.result-label {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 600;
  margin-bottom: 8px;
  opacity: 0.85;
}

.result-big {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.6rem, 6vw, 3.6rem);
  line-height: 1;
  margin-bottom: 8px;
}

.result-unit {
  font-size: 0.45em;
  font-weight: 500;
}

.result-sub {
  font-size: 0.95rem;
  opacity: 0.9;
}

.result-rows {
  margin: 20px 0 0;
  border-top: 1px solid rgba(253, 251, 245, 0.25);
}

.result-rows div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(253, 251, 245, 0.25);
  font-size: 0.95rem;
}

.result-rows dt {
  opacity: 0.85;
}

.result-rows dd {
  margin: 0;
  font-weight: 600;
  white-space: nowrap;
}

.result-error {
  margin: 16px 0 0;
  padding: 10px 12px;
  background: rgba(0, 0, 0, 0.18);
  border-radius: 8px;
  font-size: 0.9rem;
}

.result-note {
  margin: 16px 0 0;
  font-size: 0.8rem;
  line-height: 1.5;
  opacity: 0.8;
}

.footer-inner .footer-source {
  margin: 8px auto 0;
  font-size: 0.78rem;
  max-width: 640px;
}

.footer-inner a {
  color: inherit;
}

/* ---------- Formats ---------- */

.format-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin: 28px 0 16px;
}

.format-pill {
  border: 1px solid var(--line);
  background: var(--paper-alt);
  padding: 10px 20px;
  border-radius: 999px;
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.format-note {
  font-size: 0.88rem;
  color: var(--ink-soft);
  opacity: 0.8;
}

/* ---------- Signup ---------- */

.signup-section {
  background: var(--paper-alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.signup-form {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 28px;
}

.signup-form input[type="email"] {
  flex: 1 1 280px;
  max-width: 340px;
  padding: 13px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--paper);
  font-family: var(--font-body);
  font-size: 0.98rem;
  color: var(--ink);
}

.signup-form input[type="email"]:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.signup-status {
  min-height: 1.4em;
  margin-top: 14px;
  font-size: 0.92rem;
  color: var(--accent-dark);
  font-weight: 500;
}

/* ---------- Footer ---------- */

.site-footer {
  padding: 32px 0;
}

.footer-inner p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--ink-soft);
  text-align: center;
}

/* ---------- Responsive ---------- */

@media (max-width: 760px) {
  .nav {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px 28px;
    gap: 18px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease, transform 0.15s ease;
  }

  .nav.open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .nav-cta {
    align-self: flex-start;
  }

  .nav-toggle {
    display: flex;
  }

  .hero {
    padding: 64px 0 48px;
  }

  .section {
    padding: 60px 0;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .calc {
    grid-template-columns: 1fr;
  }

  .calc-result {
    position: static;
  }

  .page-hero {
    padding: 48px 0 32px;
  }
}

@media (max-width: 520px) {
  .calc-form {
    grid-template-columns: 1fr;
    padding: 22px;
  }
}

@media (max-width: 420px) {
  .signup-form {
    flex-direction: column;
    align-items: stretch;
  }

  .signup-form input[type="email"] {
    max-width: none;
  }
}