/*
  Aesthetic: editorial, print-like, inspired by solar.lowtechmagazine.com
  Palette:   pale green paper, dark-green ink, monospace accents
*/

:root {
  --paper:        #e8f5ec;   /* pale green paper — lowtechmagazine uses #fff5d1 (cream) */
  --ink:          #0f2117;   /* near-black green ink */
  --ink-muted:    #3d5c47;   /* muted green for secondary text */
  --border:       #0f2117;   /* border colour matches ink */
  --green-mid:    #2d6a4f;
  --green-accent: #3a8c60;   /* used for links, highlights */
  --green-light:  #52b788;
  --green-pale:   #c2e8d0;
  --mono:         'Courier New', Courier, monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 20px; }

body {
  font-family: Georgia, 'Times New Roman', serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.5;
  padding: 0.75rem;
  max-width: 60ch;
}

/* ── PROSE DEFAULTS ── */
p, ul, ol { margin-top: 0.85rem; }
p:first-child, ul:first-child, ol:first-child { margin-top: 0; }
ul, ol { padding-left: 1.4em; }
li + li { margin-top: 0.35rem; }
h1, h2 { margin-top: 1.5rem; }
section > h2:first-child,
section > h3:first-child { margin-top: 0; }

/* ── GLOBAL LINKS ── */
a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--ink);
}
a:hover { color: var(--ink-muted); border-bottom-color: var(--ink-muted); }

h1, h2, h3, h4 { font-weight: normal; line-height: 1.15; }

/* ── NAV ── */
nav {
  border-bottom: 2px solid var(--border);
  padding: 0.6rem 0 0.5rem;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0;
}

nav .logo {
  font-family: var(--mono);
  font-size: 1rem;
  font-weight: normal;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: none;
}

nav .logo span { letter-spacing: 1rem; top: 2px; position: relative; font-size: 120%; }

nav a {
  font-family: var(--mono);
  font-size: 0.7rem;
  border-bottom: none;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

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

/* ── HERO ── */
.hero {
  border-bottom: 2px solid var(--border);
  padding: 3rem 0 2.5rem;
}

.hero .badge {
  display: block;
  font-family: var(--mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-muted);
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(2rem, 7vw, 4.2rem);
  line-height: 1.05;
  max-width: 18ch;
  margin-bottom: 1.25rem;
}

.hero h1 em {
  font-style: normal;
  color: var(--green-accent);
}

.hero p {
  font-size: 1rem;
  max-width: 38ch;
  line-height: 1.5;
  margin-bottom: 2rem;
  color: var(--ink-muted);
}

.hero-icons {
  margin-top: 2rem;
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-muted);
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}

.hero-icons span { display: flex; align-items: center; gap: 0.35rem; }

/* ── BUTTONS ── */
.btn {
  display: inline-block;
  border: 2px solid var(--ink);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: normal;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.5rem 1.1rem;
  text-decoration: none;
  border-bottom: 2px solid var(--ink);
  transition: background 0.15s, color 0.15s;
}

.btn:hover {
  background: var(--ink);
  color: var(--paper);
  border-bottom-color: var(--ink);
}

.btn-ghost {
  border-color: var(--ink-muted);
  color: var(--ink-muted);
  margin-left: 0.75rem;
}

.btn-ghost:hover {
  background: var(--ink-muted);
  color: var(--paper);
  border-bottom-color: var(--ink-muted);
}

/* ── LAYOUT ── */
section {
  border-bottom: 2px solid var(--border);
  padding: 3rem 0;
}

.container { max-width: 960px; }

h2 {
  font-size: clamp(1.4rem, 4vw, 2rem);
  margin-bottom: 0.4rem;
}

.section-sub {
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.75rem;
}

/* ── FEATURES GRID ── */
.features { background: none; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0;
}

.card {
  border-top: 1px solid var(--border);
  padding: 1.25rem 1.25rem 1.25rem 0;
}

.card:not(:last-child) { border-right: none; }

.card .icon {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  display: block;
}

.card h3 {
  font-size: 0.9rem;
  font-weight: normal;
  font-style: italic;
  margin-bottom: 0.4rem;
}

.card p {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--ink-muted);
  line-height: 1.6;
}

/* ── ECO STRIP ── */
.eco { background: var(--green-pale); }

.eco-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0;
  margin-top: 2rem;
  border-top: 2px solid var(--border);
}

.eco-stats div {
  padding: 1rem 1rem 0.5rem 1rem;
  border-right: 1px solid var(--border);
}

.eco-stats div:last-child { border-right: none; }

.eco-stats .number {
  font-size: 2rem;
  font-weight: normal;
  font-family: Georgia, serif;
  color: var(--green-mid);
  display: block;
  line-height: 1;
  margin-bottom: 0.3rem;
}

.eco-stats .label {
  font-family: var(--mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
}

/* ── PRICING ── */
.pricing { background: none; }

.price-card {
  border: 2px solid var(--border);
  padding: 2rem;
  max-width: 400px;
}

.price-card .amount {
  font-size: 3.5rem;
  font-weight: normal;
  color: var(--green-mid);
  line-height: 1;
  border-bottom: 2px solid var(--border);
  padding-bottom: 0.75rem;
  margin-bottom: 0.5rem;
}

.price-card .amount sup { font-size: 1.5rem; vertical-align: top; margin-top: 0.4rem; display: inline-block; }
.price-card .amount sub { font-size: 0.85rem; font-family: var(--mono); color: var(--ink-muted); }

.price-card .tagline {
  font-family: var(--mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  margin-bottom: 1.5rem;
}

.price-card ul {
  list-style: none;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--ink);
  margin-bottom: 1.5rem;
}

.price-card ul li {
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--green-pale);
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.price-card ul li:last-child { border-bottom: none; }

.price-card ul li::before {
  content: "→";
  color: var(--green-accent);
  flex-shrink: 0;
}

.pricing-note {
  margin-top: 1.25rem;
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--ink-muted);
  max-width: 400px;
  line-height: 1.6;
}

/* ── MANIFESTO ── */
.manifesto { background: var(--green-pale); }

.manifesto p {
  font-size: 1rem;
  max-width: 38ch;
  line-height: 1.6;
  margin-bottom: 1rem;
  color: var(--ink);
}

.manifesto strong { color: var(--green-mid); }

/* ── STEPS (beginner page) ── */
.steps { background: none; }

.steps-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 640px;
  border-top: 1px solid var(--border);
}

.step {
  display: flex;
  gap: 1.5rem;
  align-items: baseline;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
}

.step-num {
  flex-shrink: 0;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--ink-muted);
  min-width: 1.5rem;
}

.step h3 {
  font-size: 0.9rem;
  font-style: italic;
  margin-bottom: 0.3rem;
}

.step p {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--ink-muted);
  line-height: 1.6;
}

/* ── TESTIMONIAL ── */
.testimonial-block {
  border-top: 2px solid var(--border);
  border-bottom: 2px solid var(--border);
  padding: 1.25rem 0;
  max-width: 560px;
  margin-top: 2rem;
  font-style: italic;
  font-size: 0.9rem;
  line-height: 1.5;
}

.testimonial-block cite {
  display: block;
  margin-top: 0.6rem;
  font-style: normal;
  font-family: var(--mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-muted);
}

/* ── FAQ ── */
.faq { background: none; }

.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 1.1rem 0;
}

.faq-item:first-child { padding-top: 0; }

.faq-item h3 {
  font-size: 0.85rem;
  font-style: italic;
  font-weight: normal;
  margin-bottom: 0.35rem;
}

.faq-item p {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--ink-muted);
  line-height: 1.6;
}

/* ── CTA ── */
.cta { background: var(--green-pale); text-align: left; }

.cta h2 { margin-bottom: 0.5rem; }

.cta p {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--ink-muted);
  margin-bottom: 1.5rem;
}

section.cta, section.eco, section.manifesto { padding: 3rem 1rem; }

/* ── FOOTER ── */
footer {
  border-top: 2px solid var(--border);
  padding: 1rem 0 0.5rem;
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

footer a {
  color: var(--ink-muted);
  border-bottom: 1px solid var(--ink-muted);
}

footer a:hover { color: var(--ink); border-bottom-color: var(--ink); }

/* ── SIGNUP FORM ── */
.signup-form {
  max-width: 480px;
  margin-bottom: 2rem;
}

.signup-form__field {
  margin-bottom: 1.75rem;
}

.signup-form__label {
  display: block;
  font-family: var(--mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
  margin-bottom: 0.45rem;
}

.signup-form__input {
  display: block;
  width: 100%;
  background: var(--paper);
  border: 2px solid var(--border);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.85rem;
  padding: 0.55rem 0.75rem;
  outline: none;
  transition: border-color 0.15s;
  appearance: none;
  -webkit-appearance: none;
  border-radius: 0;
}

.signup-form__input:focus {
  border-color: var(--green-accent);
}

.signup-form__input--error {
  border-color: #b94444;
}

.signup-form__subdomain-row {
  display: flex;
  align-items: stretch;
}

.signup-form__input--subdomain {
  flex: 1 1 auto;
  min-width: 0;
  width: auto;
  border-right: none;
}

.signup-form__suffix {
  display: flex;
  align-items: center;
  border: 2px solid var(--border);
  border-left: none;
  background: var(--green-pale);
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--ink-muted);
  padding: 0 0.6rem;
  white-space: nowrap;
  user-select: none;
}

.signup-form__error {
  margin-top: 0.4rem;
  font-family: var(--mono);
  font-size: 0.6rem;
  color: #b94444;
  line-height: 1.5;
}

.signup-form__hint {
  margin-top: 0.4rem;
  font-family: var(--mono);
  font-size: 0.6rem;
  color: var(--ink-muted);
  line-height: 1.5;
}

.signup-form__preview {
  margin-top: 0.5rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--ink-muted);
}

.signup-form__preview-label { color: var(--ink-muted); }

.signup-form__preview strong {
  color: var(--green-mid);
  font-weight: normal;
}

.signup-form__submit {
  margin-top: 0.5rem;
}

.signup-form__submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.signup-form__submit:disabled:hover {
  background: transparent;
  color: var(--ink);
}

.signup-success {
  max-width: 480px;
  border: 2px solid var(--border);
  padding: 2rem;
  background: var(--green-pale);
}

.signup-success__heading {
  font-size: 1.4rem;
  font-style: italic;
  margin-bottom: 0.75rem !important;
  color: var(--green-mid);
}

.signup-success__body {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--ink-muted);
  line-height: 1.6;
}

/* ── RESPONSIVE ── */
@media (max-width: 600px) {
  html { font-size: 18px; }
  .btn-ghost { margin-left: 0; margin-top: 0.5rem; }
  .hero .cta-buttons { display: flex; flex-direction: column; align-items: flex-start; gap: 0.5rem; }
  .eco-stats { grid-template-columns: repeat(2, 1fr); }
}