/* Daybook marketing site.
   Palette from the product: ink #264653, teal #2A9D8F/#3D8F6B,
   sun #FFD166, warm paper #F5F1E8. */

:root {
  --ink: #264653;
  --ink-soft: #51666F;
  --teal: #2A9D8F;
  --teal-deep: #22857A;
  --forest: #3D8F6B;
  --sun: #FFD166;
  --paper: #F5F1E8;
  --card: #FFFFFF;
  --line: #E7DFCE;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(38, 70, 83, 0.10);
  --shadow-lg: 0 24px 70px rgba(38, 70, 83, 0.18);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Inter", -apple-system, "Segoe UI", sans-serif;
  font-size: 16.5px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: "Nunito", "Inter", sans-serif; line-height: 1.15; }
h1 { font-size: clamp(2.4rem, 5.5vw, 3.9rem); font-weight: 900; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); font-weight: 800; letter-spacing: -0.01em; }
h3 { font-size: 1.12rem; font-weight: 800; }

img { max-width: 100%; display: block; }
a { color: var(--teal-deep); text-decoration: none; }

.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 780px; }
.center { text-align: center; }

/* ── Buttons ── */
.btn {
  display: inline-block;
  font-family: "Nunito", sans-serif;
  font-weight: 800;
  font-size: 0.98rem;
  padding: 11px 22px;
  border-radius: 12px;
  border: 2px solid transparent;
  transition: transform 0.08s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--teal);
  color: #fff;
  box-shadow: 0 6px 18px rgba(42, 157, 143, 0.35);
}
.btn-primary:hover { background: var(--teal-deep); }
.btn-ghost {
  border-color: var(--line);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.65);
}
.btn-ghost:hover { border-color: var(--teal); color: var(--teal-deep); }
.btn-lg { padding: 15px 30px; font-size: 1.08rem; border-radius: 14px; }
.btn-block { display: block; text-align: center; width: 100%; }

/* ── Nav ── */
.nav-wrap {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(245, 241, 232, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 68px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: "Nunito", sans-serif;
  font-weight: 900;
  font-size: 1.3rem;
  color: var(--ink);
}
.brand img { border-radius: 9px; }
.nav-links { display: flex; gap: 22px; margin-left: auto; }
.nav-links a { color: var(--ink-soft); font-weight: 500; font-size: 0.95rem; }
.nav-links a:hover { color: var(--teal-deep); }
.nav-cta { display: flex; gap: 10px; }
.nav-cta .btn { padding: 9px 16px; font-size: 0.9rem; }

/* ── Hero ── */
.hero { padding: 84px 0 0; overflow: hidden; }
.hero-grid { max-width: 860px; text-align: center; }
.eyebrow {
  font-family: "Nunito", sans-serif;
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal-deep);
  margin-bottom: 18px;
}
.eyebrow.light { color: var(--sun); }
.lead {
  font-size: 1.22rem;
  color: var(--ink-soft);
  max-width: 640px;
  margin: 22px auto 0;
}
.hero-ctas {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 34px;
}
.hero-note { margin-top: 14px; font-size: 0.92rem; color: var(--ink-soft); }

.browser-frame {
  background: #fff;
  border-radius: 18px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.browser-bar {
  display: flex;
  gap: 7px;
  padding: 12px 16px;
  background: #EFEAE0;
  border-bottom: 1px solid var(--line);
}
.browser-bar span {
  width: 11px; height: 11px; border-radius: 50%;
  background: #D8D2C4;
}
.shot-caption {
  padding: 14px 20px;
  font-size: 0.88rem;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
  background: #FBF8F1;
  text-align: center;
}
.hero-shot { max-width: 1020px; margin: 58px auto -120px; }

/* ── Trust strip ── */
.strip {
  background: var(--ink);
  color: #fff;
  margin-top: 120px;
  padding: 46px 0;
}
.strip-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  padding-top: 96px;
}
.strip-grid > div { display: flex; flex-direction: column; gap: 3px; }
.strip-grid strong { font-family: "Nunito", sans-serif; font-size: 1.05rem; }
.strip-grid span { color: #B9C6C4; font-size: 0.9rem; }

/* ── Sections ── */
.section { padding: 96px 0; }
.section.alt { background: #EFE9DC; }
.section h2 { max-width: 720px; }
.section-lead {
  color: var(--ink-soft);
  font-size: 1.12rem;
  max-width: 660px;
  margin-top: 14px;
}
.section-lead.light { color: #C3D0CE; }

/* ── Features ── */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 52px;
}
.feature {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 26px;
  box-shadow: var(--shadow);
}
.f-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  background: var(--fi, var(--teal));
  margin-bottom: 16px;
}
.feature p { color: var(--ink-soft); font-size: 0.97rem; margin-top: 8px; }

/* ── Split bands ── */
.split {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 56px;
  align-items: center;
}
.split.reverse { grid-template-columns: 5fr 7fr; }
.split.reverse .split-copy { order: 0; }
.split.reverse figure { order: 1; }
.split-copy p { color: var(--ink-soft); margin-top: 14px; }

.ticks { list-style: none; margin-top: 18px; display: grid; gap: 10px; }
.ticks li { padding-left: 30px; position: relative; color: var(--ink-soft); }
.ticks li::before {
  content: "✓";
  position: absolute;
  left: 0; top: 0;
  width: 21px; height: 21px;
  border-radius: 50%;
  background: rgba(42, 157, 143, 0.14);
  color: var(--teal-deep);
  font-size: 0.8rem;
  font-weight: 700;
  display: grid;
  place-items: center;
}

/* ── Security ── */
.security {
  background: linear-gradient(160deg, #264653 0%, #1E3A45 100%);
  color: #fff;
  padding: 100px 0;
}
.sec-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 52px;
}
.sec-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 26px 24px;
}
.sec-card h3 { color: var(--sun); margin-bottom: 8px; font-size: 1.02rem; }
.sec-card p { color: #C3D0CE; font-size: 0.94rem; }

/* ── Pricing ── */
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 52px;
  align-items: stretch;
}
.price-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 32px 28px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  position: relative;
}
.price-card.featured {
  border: 2px solid var(--teal);
  box-shadow: var(--shadow-lg);
  transform: scale(1.03);
}
.badge {
  position: absolute;
  top: -14px; left: 50%;
  transform: translateX(-50%);
  background: var(--sun);
  color: var(--ink);
  font-family: "Nunito", sans-serif;
  font-weight: 800;
  font-size: 0.8rem;
  padding: 5px 14px;
  border-radius: 999px;
  white-space: nowrap;
}
.price {
  font-family: "Nunito", sans-serif;
  font-weight: 900;
  font-size: 3rem;
  margin: 10px 0 2px;
  letter-spacing: -0.02em;
}
.price .cur { font-size: 1.6rem; vertical-align: 14px; margin-right: 2px; }
.price .per { font-size: 1rem; font-weight: 600; color: var(--ink-soft); margin-left: 4px; }
.price-sub { color: var(--ink-soft); font-size: 0.94rem; min-height: 48px; }
.price-card .ticks { margin: 18px 0 26px; flex: 1; }
.price-notes {
  margin-top: 40px;
  display: grid;
  gap: 8px;
  max-width: 640px;
}
.price-notes p { color: var(--ink-soft); font-size: 0.98rem; }
.price-notes .fine { font-size: 0.85rem; opacity: 0.75; }

/* ── FAQ ── */
#faq details {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px 24px;
  margin-top: 14px;
  box-shadow: var(--shadow);
}
#faq details:first-of-type { margin-top: 44px; }
#faq summary {
  font-family: "Nunito", sans-serif;
  font-weight: 800;
  font-size: 1.05rem;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 34px;
}
#faq summary::-webkit-details-marker { display: none; }
#faq summary::after {
  content: "+";
  position: absolute;
  right: 0; top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  color: var(--teal);
  transition: transform 0.15s ease;
}
#faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
#faq details p { margin-top: 12px; color: var(--ink-soft); }

/* ── Download ── */
.download {
  padding: 100px 0;
  background: linear-gradient(160deg, #2A9D8F 0%, #3D8F6B 100%);
  color: #fff;
}
.download h2 { color: #fff; margin: 0 auto; }
.download .section-lead { color: rgba(255, 255, 255, 0.85); margin-left: auto; margin-right: auto; }
.download .btn-primary {
  background: #fff;
  color: var(--teal-deep);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}
.download .btn-primary:hover { background: var(--paper); }
.download .btn-ghost { border-color: rgba(255, 255, 255, 0.4); color: #fff; background: transparent; }
.download .btn-ghost:hover { border-color: #fff; }
.mac-note {
  margin-top: 26px;
  font-size: 0.98rem;
  color: rgba(255, 255, 255, 0.92);
}
.mac-note a { color: var(--sun); text-decoration: underline; }

.smartscreen {
  margin: 36px auto 0;
  max-width: 560px;
  background: rgba(0, 0, 0, 0.18);
  border-radius: 12px;
  padding: 16px 20px;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.9);
}

/* ── Install guide ── */
.guide-hero { padding: 76px 0 26px; }
.guide-title { font-size: clamp(2rem, 4.5vw, 3rem); font-weight: 900; }
.guide-hero .lead { margin-top: 18px; }
.guide-hero .hero-note { margin-top: 20px; }
.guide-hero a { text-decoration: underline; }

.part-label {
  font-family: "Nunito", sans-serif;
  font-weight: 800;
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal-deep);
  margin-bottom: 12px;
}

.guide .section-lead { margin-bottom: 8px; }

.step {
  display: flex;
  gap: 20px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 28px;
  margin-top: 18px;
  box-shadow: var(--shadow);
}
.step:first-of-type { margin-top: 36px; }
.step-num {
  flex: 0 0 auto;
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--teal);
  color: #fff;
  font-family: "Nunito", sans-serif;
  font-weight: 900;
  font-size: 1.2rem;
  display: grid;
  place-items: center;
}
.step-body h3 { margin-bottom: 8px; font-size: 1.15rem; }
.step-body p { color: var(--ink-soft); margin-top: 8px; }
.step-body ol { margin: 12px 0 0 20px; color: var(--ink-soft); display: grid; gap: 6px; }
.step-body .aside { font-size: 0.9rem; opacity: 0.85; margin-top: 12px; }
.step-body code {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1px 7px;
  font-size: 0.9em;
}

.step.highlight { border-left: 5px solid var(--sun); }
.step.highlight .step-num { background: var(--sun); color: var(--ink); }

.step.critical {
  border: 2px solid var(--sun);
  background: #FFF9EA;
}
.step.critical .step-num { background: var(--sun); color: var(--ink); }
.step.critical h3 { color: #8A6D1B; }

#install-faq details {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px 24px;
  margin-top: 14px;
  box-shadow: var(--shadow);
}
#install-faq details:first-of-type { margin-top: 44px; }
#install-faq summary {
  font-family: "Nunito", sans-serif;
  font-weight: 800;
  font-size: 1.05rem;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 34px;
}
#install-faq summary::-webkit-details-marker { display: none; }
#install-faq summary::after {
  content: "+";
  position: absolute;
  right: 0; top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  color: var(--teal);
  transition: transform 0.15s ease;
}
#install-faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
#install-faq details p { margin-top: 12px; color: var(--ink-soft); }

@media (max-width: 640px) {
  .step { flex-direction: column; gap: 12px; padding: 22px 20px; }
}

/* ── Footer ── */
.footer { padding: 46px 0; }
.foot-grid {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  color: var(--ink-soft);
  font-size: 0.93rem;
}
.foot-grid .brand { font-size: 1.05rem; }
.foot-grid p:last-child { margin-left: auto; }

/* ── Responsive ── */
@media (max-width: 960px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .sec-grid { grid-template-columns: repeat(2, 1fr); }
  .split, .split.reverse { grid-template-columns: 1fr; gap: 30px; }
  .split.reverse figure { order: 0; }
  .strip-grid { grid-template-columns: repeat(2, 1fr); padding-top: 110px; }
  .price-grid { grid-template-columns: 1fr; max-width: 460px; margin-left: auto; margin-right: auto; }
  .price-card.featured { transform: none; }
  .nav-links { display: none; }
}

@media (max-width: 640px) {
  .feature-grid, .sec-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 56px; }
  .hero-shot { margin-bottom: -80px; }
  .strip-grid { padding-top: 70px; }
  .nav-cta .btn-ghost { display: none; }
  .foot-grid p:last-child { margin-left: 0; }
}