/* =====================================================
   Zylair — mobile-first landing page styles
   ===================================================== */
:root {
  --ink: #0A1A2F;
  --ink-2: #1F3553;
  --ink-3: #5A6577;
  --ink-4: #8A95A7;
  --paper: #F7F4ED;
  --paper-2: #EFEBDF;
  --line: #E2DCC9;
  --line-soft: #ECE7D6;
  --amber: #F2B600;
  --amber-deep: #B57F00;
  --hi: #FFE066;
  --good: #16804A;
  --good-soft: #D1FADF;
  --bad: #B42318;
  --bad-soft: #FEE4E2;
  --warn-soft: #FEF0C7;
  --shadow-sm: 0 1px 2px rgba(10,26,47,0.06);
  --shadow-md: 0 8px 20px rgba(10,26,47,0.08);
  --shadow-lg: 0 18px 40px rgba(10,26,47,0.14);
  --r-sm: 4px;
  --r-md: 8px;
  --r-pill: 999px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-feature-settings: 'ss01','cv11';
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
  /* room for sticky mobile CTA */
  padding-bottom: 88px;
}
@media (min-width: 768px) {
  body { padding-bottom: 0; }
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

.serif { font-family: 'Instrument Serif', Georgia, serif; font-weight: 400; letter-spacing: -0.01em; }
.mono { font-family: 'JetBrains Mono', ui-monospace, monospace; }

.wrap { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
@media (min-width: 768px) { .wrap { padding: 0 32px; } }

/* ============== nav ============== */
.nav {
  position: sticky; top: 0; z-index: 40;
  background: rgba(247,244,237,0.92);
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 60px; gap: 16px;
}
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 16px; letter-spacing: -0.01em; }
.logo .lg {
  width: 28px; height: 28px;
  background: var(--ink); color: var(--amber);
  border-radius: var(--r-sm);
  display: grid; place-items: center;
  font-family: 'Instrument Serif', serif; font-style: italic;
  font-size: 19px; line-height: 1;
}
.nav-links { display: none; gap: 24px; font-size: 14px; color: var(--ink-2); font-weight: 500; }
.nav-links a:hover { color: var(--ink); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-cta .signin { display: none; font-size: 14px; color: var(--ink-2); font-weight: 500; }
.nav-cta .signin:hover { color: var(--ink); }
.btn-nav {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--ink); color: var(--paper);
  font-size: 13px; font-weight: 600;
  padding: 9px 14px; border-radius: var(--r-pill);
  border: none;
}
.btn-nav::after { content: '→'; font-size: 13px; }
@media (min-width: 768px) {
  .nav-inner { height: 72px; }
  .nav-links { display: flex; }
  .nav-cta .signin { display: inline; }
  .btn-nav { padding: 10px 18px; font-size: 14px; }
}

/* ============== hero ============== */
.hero {
  padding: 24px 0 32px;
  border-bottom: 1px solid var(--line);
}
.hero-inner { display: grid; gap: 24px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-2); font-weight: 600;
}
.eyebrow .pin { width: 7px; height: 7px; background: var(--amber); border-radius: var(--r-pill); }
.hero h1 {
  font-size: 36px;
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin: 14px 0 16px;
  color: var(--ink);
  font-weight: 700;
  text-wrap: balance;
}
.hero h1 .ser {
  font-family: 'Instrument Serif', serif;
  font-style: italic; font-weight: 400;
  letter-spacing: -0.015em;
  background: linear-gradient(180deg, transparent 60%, var(--hi) 60%, var(--hi) 92%, transparent 92%);
  padding: 0 4px;
}
.hero-sub {
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink-2);
  margin: 0 0 20px;
  text-wrap: pretty;
}
.hero-sub b { color: var(--ink); font-weight: 600; }

.hero-cta {
  display: flex; flex-direction: column; gap: 10px;
  margin-bottom: 14px;
}
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--ink); color: var(--paper);
  font-size: 16px; font-weight: 600;
  padding: 16px 22px; border-radius: var(--r-md);
  border: none;
  width: 100%;
  min-height: 56px;
  text-align: center;
  transition: transform 0.08s ease, background 0.15s ease;
}
.btn-primary:hover { background: #051227; }
.btn-primary:active { transform: translateY(1px); }
.btn-primary::after { content: '→'; font-size: 18px; }
.btn-secondary {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: transparent; color: var(--ink);
  font-size: 15px; font-weight: 600;
  padding: 14px 20px; border-radius: var(--r-md);
  border: 1px solid var(--ink);
  min-height: 52px;
  width: 100%;
}
.btn-secondary:hover { background: rgba(10,26,47,0.04); }

/* email capture CTA */
.email-cta {
  margin: 0 0 14px;
  max-width: 480px;
}
.email-cta-label {
  display: block;
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-3); font-weight: 700;
  margin-bottom: 8px;
}
.email-cta-row {
  display: flex; flex-direction: column; gap: 10px;
}
.email-cta input[type="email"] {
  flex: 1;
  font: inherit;
  font-size: 16px;
  color: var(--ink);
  background: var(--paper-2, #F7F4ED);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 14px 16px;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
}
.email-cta input[type="email"]::placeholder { color: var(--ink-3); }
.email-cta input[type="email"]:focus {
  border-color: var(--ink);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(10,26,47,0.10);
}
.email-cta input[type="email"]:invalid:not(:placeholder-shown) {
  border-color: #B23B3B;
}
.email-cta .btn-primary {
  width: 100%;
  white-space: nowrap;
}
.email-cta.is-submitted .btn-primary {
  background: #1a6b3a;
  pointer-events: none;
}
.email-cta.is-submitted .btn-primary::after { content: '✓'; }

.email-cta-final { margin: 0 auto 16px; }
.email-cta-final .email-cta-label {
  text-align: center;
}

@media (min-width: 640px) {
  .email-cta-row { flex-direction: row; align-items: stretch; gap: 8px; }
  .email-cta .btn-primary { width: auto; min-width: 180px; }
}

.microcopy {
  font-size: 13px; color: var(--ink-2);
  display: flex; flex-wrap: wrap; gap: 14px;
  margin: 0 0 4px;
}
.microcopy .chk { color: var(--good); font-weight: 700; margin-right: 4px; }

/* hero visual */
.hero-visual {
  position: relative;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--ink);
  box-shadow: var(--shadow-md);
  aspect-ratio: 4/5;
}
.hero-visual-img {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  filter: saturate(0.98) contrast(1.02);
}

/* hero proof */
.hero-proof {
  margin-top: 24px;
  border-top: 1px dashed var(--line);
  padding-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.proof .num {
  font-family: 'Instrument Serif', serif;
  font-size: 36px;
  line-height: 1;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.proof .num small {
  font-family: 'Inter', -apple-system, sans-serif;
  font-style: normal;
  font-weight: 500;
  font-size: 14px;
  color: var(--ink-3);
  letter-spacing: 0;
  margin-left: 3px;
  vertical-align: 0.18em;
}
.proof .lbl {
  font-size: 11px;
  color: var(--ink-2);
  margin-top: 8px;
  line-height: 1.4;
}

/* desktop hero */
@media (min-width: 768px) {
  .hero { padding: 56px 0 64px; }
  .hero-inner {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 56px;
    align-items: center;
  }
  .hero h1 { font-size: 64px; margin: 18px 0 22px; }
  .hero-sub { font-size: 18px; max-width: 480px; }
  .hero-cta { flex-direction: row; gap: 12px; }
  .btn-primary { width: auto; min-width: 220px; }
  .btn-secondary { width: auto; }
  .hero-visual { aspect-ratio: 4/5; max-height: 640px; }
  .proof .num { font-size: 44px; }
  .proof .lbl { font-size: 12px; }
}
@media (min-width: 1100px) {
  .hero h1 { font-size: 76px; }
}

/* ============== logo strip ============== */
.logos {
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
  background: var(--paper);
}
.logos-inner {
  display: flex; flex-wrap: wrap; align-items: center;
  gap: 14px 28px;
  justify-content: center;
}
.logos-label {
  font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-3); font-weight: 600;
  width: 100%; text-align: center;
}
.logo-chip {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--ink-2); font-weight: 600;
  letter-spacing: -0.01em;
  opacity: 0.78;
}
.logo-chip svg { color: var(--ink-2); }
@media (min-width: 768px) {
  .logos-inner { justify-content: space-between; }
  .logos-label { width: auto; text-align: left; }
}

/* ============== how it works ============== */
.section { padding: 64px 0; }
.section.alt { background: var(--paper-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { margin-bottom: 32px; }
.section-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-3); font-weight: 700;
  margin-bottom: 14px;
}
.section-tag::before {
  content: ''; width: 24px; height: 1px; background: var(--ink-3);
}
.section h2 {
  font-size: 32px;
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin: 0 0 12px;
  color: var(--ink);
  font-weight: 700;
  text-wrap: balance;
}
.section h2 .ser {
  font-family: 'Instrument Serif', serif;
  font-style: italic; font-weight: 400;
}
.section .lede {
  font-size: 17px; color: var(--ink-2); line-height: 1.5;
  max-width: 620px; margin: 0;
}
@media (min-width: 768px) {
  .section { padding: 96px 0; }
  .section h2 { font-size: 48px; }
  .section .lede { font-size: 19px; }
}

.steps { display: grid; gap: 24px; }
.step {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  display: flex; flex-direction: column;
}
.step-img {
  aspect-ratio: 16/10;
  background: var(--paper-2);
  background-size: cover;
  background-position: center;
  position: relative;
}
.step-num {
  position: absolute; top: 14px; left: 14px;
  width: 32px; height: 32px;
  background: var(--paper); color: var(--ink);
  border-radius: var(--r-pill);
  display: grid; place-items: center;
  font-family: 'Instrument Serif', serif;
  font-style: italic; font-size: 18px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--line);
}
.step-body { padding: 22px 22px 24px; }
.step h3 {
  font-size: 20px; font-weight: 700;
  letter-spacing: -0.015em;
  margin: 0 0 8px;
  color: var(--ink);
}
.step p {
  margin: 0; font-size: 15px;
  color: var(--ink-2); line-height: 1.55;
}
.step .meta {
  margin-top: 14px; padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 12px; color: var(--ink-3);
  font-family: 'JetBrains Mono', monospace;
}
@media (min-width: 768px) {
  .steps { grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .step h3 { font-size: 22px; }
}

/* ============== features ============== */
.features {
  display: grid; gap: 16px;
}
.feat {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 24px;
  display: flex; flex-direction: column;
}
.feat.dark {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.feat.dark p { color: rgba(247,244,237,0.78); }
.feat-icon {
  width: 36px; height: 36px;
  border-radius: var(--r-sm);
  background: var(--paper-2);
  display: grid; place-items: center;
  margin-bottom: 18px;
  color: var(--ink);
}
.feat.dark .feat-icon { background: rgba(255,255,255,0.08); color: var(--amber); }
.feat h4 {
  font-size: 18px; font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 6px;
}
.feat p { margin: 0; font-size: 14px; color: var(--ink-2); line-height: 1.5; }
.feat .big {
  font-family: 'Instrument Serif', serif;
  font-size: 64px; line-height: 1; color: var(--amber);
  letter-spacing: -0.02em; margin: 0 0 12px;
}
.feat .big small { font-size: 26px; color: var(--paper); }
.feat-tag {
  display: inline-flex; align-items: center;
  font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  font-weight: 700; padding: 3px 8px; border-radius: var(--r-pill);
  background: var(--ink); color: var(--paper); margin-left: 8px;
}
@media (min-width: 768px) {
  .features { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .feat.span2 { grid-column: span 2; }
  .feat.span3 { grid-column: span 3; flex-direction: row; align-items: center; gap: 24px; }
  .feat.span3 .feat-icon { margin-bottom: 0; flex-shrink: 0; }
  .feat.span3 > div { flex: 1; }
  .feat .big { font-size: 96px; }
}

/* ============== pricing ============== */
.pricing {
  display: grid; gap: 16px;
}
.plan {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 28px 24px;
  position: relative;
  display: flex; flex-direction: column;
}
.plan.featured {
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-md);
}
.plan-popular {
  position: absolute; top: -12px; left: 24px;
  background: var(--amber); color: var(--ink);
  font-size: 10px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  padding: 4px 10px; border-radius: var(--r-pill);
}
.plan-name {
  font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-3); font-weight: 700; margin-bottom: 8px;
}
.plan-price {
  font-family: 'Instrument Serif', serif;
  font-size: 56px; line-height: 1;
  letter-spacing: -0.02em; color: var(--ink);
  margin-bottom: 4px;
}
.plan-price small { font-size: 18px; color: var(--ink-3); margin-left: 2px; }
.plan-period {
  font-size: 12px; color: var(--ink-3);
  margin-bottom: 22px;
}
.plan-period .save { color: var(--good); font-weight: 600; margin-left: 6px; }
.plan-cta {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  padding: 14px 18px; border-radius: var(--r-md);
  font-weight: 600; font-size: 15px;
  border: 1px solid var(--ink); color: var(--ink);
  background: transparent;
  margin-bottom: 22px;
  min-height: 50px;
}
.plan.featured .plan-cta {
  background: var(--ink); color: var(--paper);
}
.plan-cta::after { content: '→'; }
.plan-list {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 10px;
  font-size: 14px; color: var(--ink-2);
}
.plan-list li {
  display: flex; align-items: flex-start; gap: 10px; line-height: 1.4;
}
.plan-list li::before {
  content: '✓';
  color: var(--good); font-weight: 700;
  flex-shrink: 0;
}
.plan-list li.x::before { content: '–'; color: var(--ink-4); }
.plan-list li b { color: var(--ink); font-weight: 600; }

.billing-toggle {
  display: inline-flex; align-items: center; gap: 12px;
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 5px;
  border-radius: var(--r-pill);
  margin-bottom: 32px;
}
.billing-toggle button {
  border: none; background: transparent;
  font-size: 13px; font-weight: 600;
  padding: 8px 16px; border-radius: var(--r-pill);
  color: var(--ink-3);
}
.billing-toggle button.on { background: var(--ink); color: var(--paper); }

@media (min-width: 768px) {
  .pricing { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .plan-price { font-size: 64px; }
}

/* ============== trust ============== */
.trust {
  background: var(--ink); color: var(--paper);
  padding: 56px 0;
  border-top: 1px solid var(--ink);
}
.trust h2 { color: var(--paper); }
.trust .lede { color: rgba(247,244,237,0.78); }
.trust-grid {
  display: grid; gap: 14px;
  grid-template-columns: 1fr 1fr;
  margin-top: 32px;
}
.trust-item {
  display: flex; flex-direction: column; gap: 6px;
  padding: 18px 18px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--r-md);
  background: rgba(255,255,255,0.03);
}
.trust-item .t-label {
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(247,244,237,0.55); font-weight: 600;
}
.trust-item .t-val { font-size: 15px; font-weight: 600; color: var(--paper); letter-spacing: -0.01em; }
@media (min-width: 768px) {
  .trust-grid { grid-template-columns: repeat(4, 1fr); }
  .trust { padding: 96px 0; }
}

/* ============== final CTA ============== */
.cta-final {
  padding: 80px 0;
  text-align: center;
  border-top: 1px solid var(--line);
  background: var(--paper);
}
.cta-final h2 {
  font-size: 36px;
  letter-spacing: -0.025em; line-height: 1.05;
  margin: 0 0 14px;
  text-wrap: balance;
}
.cta-final h2 .ser { font-family: 'Instrument Serif', serif; font-style: italic; font-weight: 400; }
.cta-final p { font-size: 17px; color: var(--ink-2); margin: 0 auto 28px; max-width: 540px; }
.cta-final .btn-primary { display: inline-flex; width: auto; min-width: 240px; }
.cta-final .micro { margin-top: 16px; font-size: 13px; color: var(--ink-3); }
@media (min-width: 768px) {
  .cta-final h2 { font-size: 56px; }
}

/* ============== footer ============== */
footer {
  background: var(--paper);
  border-top: 1px solid var(--line);
  padding: 32px 0 24px;
  font-size: 13px; color: var(--ink-3);
}
.footer-inner {
  display: grid; gap: 24px;
}
.footer-cols { display: grid; gap: 24px; grid-template-columns: 1fr 1fr; }
.footer-col h5 {
  font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  font-weight: 700; color: var(--ink-2);
  margin: 0 0 10px;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.footer-col a:hover { color: var(--ink); }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 16px;
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between;
  font-size: 12px;
}
@media (min-width: 768px) {
  .footer-inner { grid-template-columns: 1.4fr 2fr; gap: 64px; align-items: start; }
  .footer-cols { grid-template-columns: repeat(4, 1fr); }
}

/* ============== sticky mobile CTA ============== */
.sticky-cta {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  background: var(--paper);
  border-top: 1px solid var(--line);
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  z-index: 50;
  display: flex; align-items: center; gap: 12px;
  box-shadow: 0 -8px 24px rgba(10,26,47,0.06);
  transform: translateY(100%);
  transition: transform 0.25s ease;
}
.sticky-cta.show { transform: translateY(0); }
.sticky-cta .label {
  font-size: 12px; color: var(--ink-2); flex: 1; line-height: 1.3;
}
.sticky-cta .label b { color: var(--ink); font-weight: 600; display: block; font-size: 14px; }
.sticky-cta .btn {
  background: var(--ink); color: var(--paper);
  padding: 12px 18px;
  border-radius: var(--r-md);
  font-size: 14px; font-weight: 600;
  border: none;
  white-space: nowrap;
  display: inline-flex; align-items: center; gap: 6px;
}
.sticky-cta .btn::after { content: '→'; }
@media (min-width: 768px) {
  .sticky-cta { display: none; }
}

/* ============== utilities ============== */
.kbd {
  display: inline-flex; align-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  padding: 2px 6px;
  border-radius: var(--r-sm);
  color: var(--ink-2);
}