/* AccuAI — Lead Magnet Landing Page
   Palette: ivory base, charcoal ink, brand yellow accent (accuaiaccounting.com primary color) */

:root {
  --color-bg: #FAF8F4;
  --color-bg-alt: #F1EEE7;
  --color-ink: #191708;
  --color-ink-soft: #55503E;
  --color-accent: #F4B300;
  --color-accent-deep: #8A6300;
  --color-accent-tint: #FCF0D2;
  --color-border: #E1D9BE;
  --color-white: #FFFFFF;

  --font-serif: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --max-width: 1180px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 18px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.15;
  color: var(--color-ink);
  text-wrap: balance;
}

p { text-wrap: pretty; }

a { color: inherit; text-decoration: none; }

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

section { padding: 96px 0; }

@media (max-width: 720px) {
  section { padding: 64px 0; }
}

.italic { font-style: italic; color: var(--color-accent-deep); }

/* ===== Eyebrow badge ===== */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: 999px;
  background: var(--color-accent-tint);
  border: 1px solid rgba(244, 179, 0, 0.35);
  color: var(--color-ink);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 220ms var(--ease-out), background 220ms var(--ease-out), border-color 220ms var(--ease-out);
  white-space: nowrap;
  min-height: 48px;
}

.btn:active { transform: scale(0.97); }

.btn-solid {
  background: var(--color-accent);
  color: var(--color-ink);
}
.btn-solid:hover { background: #DDA200; }

.btn-outline {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-border);
}
.btn-outline:hover { border-color: var(--color-ink); }

.btn:focus-visible {
  outline: 3px solid var(--color-accent-deep);
  outline-offset: 2px;
}

.btn-group { display: flex; gap: 14px; flex-wrap: wrap; }

@media (max-width: 480px) {
  .btn { font-size: 14px; padding: 13px 22px; }
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-ink);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-serif);
  font-size: 21px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.logo-mark { width: 28px; height: 25px; object-fit: contain; }

.logo { color: var(--color-bg); }
.logo em { font-style: italic; color: var(--color-accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-size: 14.5px;
  font-weight: 500;
  color: rgba(250, 248, 244, 0.7);
  transition: color 180ms var(--ease-out);
}
.nav-links a:hover { color: var(--color-accent); }

.nav-cta { display: flex; align-items: center; gap: 20px; }

.nav-cta .btn-outline {
  color: var(--color-bg);
  border-color: rgba(250, 248, 244, 0.25);
}
.nav-cta .btn-outline:hover { border-color: var(--color-bg); }

.nav-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border: none;
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-bg);
  transition: transform 220ms var(--ease-out), opacity 220ms var(--ease-out);
}

.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-links.is-open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    background: var(--color-ink);
    padding: 12px 24px 20px;
  }
  .nav-links.is-open a {
    width: 100%;
    padding: 12px 0;
    border-bottom: 1px solid rgba(250, 248, 244, 0.12);
    color: rgba(250, 248, 244, 0.85);
  }
  .nav-cta .btn-outline { display: none; }
  .nav-toggle { display: flex; }
}

/* ===== Hero — full-bleed dark band, stacked composition ===== */
.hero {
  background: var(--color-ink);
  color: var(--color-bg);
  padding: 64px 0 72px;
  overflow: hidden;
}

.hero-intro {
  max-width: 950px;
  margin: 0 auto;
  text-align: center;
}

.hero-intro .btn-group {
  justify-content: center;
}

.hero .btn-outline {
  color: var(--color-bg);
  border-color: rgba(250, 248, 244, 0.28);
}
.hero .btn-outline:hover { border-color: var(--color-bg); }

.hero-intro .eyebrow {
  background: rgba(244, 179, 0, 0.14);
  border-color: rgba(244, 179, 0, 0.3);
  color: var(--color-accent);
  margin-bottom: 26px;
}

.hero-title {
  font-size: clamp(2.3rem, 4.6vw, 3.5rem);
  color: var(--color-bg);
  margin-bottom: 24px;
}

.hero-title .hero-line {
  display: inline-block;
  white-space: nowrap;
}

@media (max-width: 720px) {
  .hero-title .hero-line {
    display: inline;
    white-space: normal;
  }
}

.accent-mark {
  background-image: linear-gradient(to top, rgba(244, 179, 0, 0.4) 0%, rgba(244, 179, 0, 0.4) 34%, transparent 34%);
  padding: 0 1px;
}

.hero-intro .lede {
  font-size: 18px;
  color: rgba(250, 248, 244, 0.72);
  max-width: 700px;
  margin: 0 auto 36px;
}

.lede .sub-line {
  display: block;
}

@media (max-width: 720px) {
  .lede .sub-line {
    display: inline;
  }
}

.hero-stats-row {
  display: flex;
  justify-content: center;
  text-align: center;
  gap: 40px;
  flex-wrap: wrap;
  padding: 40px 0 0;
  margin-top: 56px;
  border-top: 1px solid rgba(250, 248, 244, 0.14);
}

.hero-stat .num {
  font-family: var(--font-serif);
  font-size: 24px;
  color: var(--color-accent);
}

.hero-stat .label {
  font-size: 13px;
  color: rgba(250, 248, 244, 0.6);
  margin-top: 2px;
}

.hero-photo {
  margin-top: 56px;
}

.hero-photo .frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 7;
  background: var(--color-bg-alt);
}

.hero-photo img { width: 100%; height: 100%; object-fit: cover; }

@media (max-width: 720px) {
  .hero-photo .frame { aspect-ratio: 4 / 5; }
}

/* ===== Section headers ===== */
.section-head {
  max-width: 640px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-head.left { margin: 0 0 48px; text-align: left; }

.section-head .eyebrow { margin-bottom: 18px; }

.section-head h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); }

.section-head p {
  margin-top: 16px;
  color: var(--color-ink-soft);
  font-size: 16.5px;
}

/* ===== Problem — editorial spec list, no cards ===== */
.problem-list {
  border-top: 1px solid var(--color-border);
}

.problem-row {
  display: grid;
  grid-template-columns: 64px 220px 1fr;
  gap: 28px;
  padding: 38px 0;
  border-bottom: 1px solid var(--color-border);
  align-items: start;
}

.problem-row .row-index {
  font-family: var(--font-serif);
  font-size: 30px;
  color: var(--color-accent-deep);
}

.problem-row .row-tag {
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
  padding-top: 6px;
}

.problem-row h3 { font-size: 19px; margin-bottom: 8px; }
.problem-row p { font-size: 15px; color: var(--color-ink-soft); max-width: 58ch; }

@media (max-width: 720px) {
  .problem-row {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 28px 0;
  }
  .problem-row .row-index { font-size: 24px; }
}

/* ===== Framework — connected horizontal timeline ===== */
.framework { background: var(--color-bg-alt); }

.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 8px;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 22px;
  left: 22px;
  right: 22px;
  height: 2px;
  background: var(--color-border);
  z-index: 0;
}

.timeline-item {
  position: relative;
  padding-top: 68px;
}

.timeline-node {
  position: absolute;
  top: 0;
  left: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 16px;
  z-index: 1;
}

.timeline-item h3 { font-size: 19px; margin-bottom: 8px; }
.timeline-item p { color: var(--color-ink-soft); font-size: 15px; max-width: 42ch; }

@media (max-width: 720px) {
  .timeline { grid-template-columns: 1fr; gap: 36px; }
  .timeline::before { display: none; }
}

/* ===== Services — dense two-column divider list, no cards ===== */
.service-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 56px;
  border-top: 1px solid var(--color-border);
}

.service-row {
  padding: 28px 0;
  border-bottom: 1px solid var(--color-border);
}

.service-row h3 { font-size: 17.5px; margin-bottom: 8px; }
.service-row p { font-size: 14.5px; color: var(--color-ink-soft); }

@media (max-width: 720px) {
  .service-list { grid-template-columns: 1fr; }
}

/* ===== Split feature (why us) ===== */
.split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: center;
}

.split-copy .eyebrow { margin-bottom: 20px; }

.split-media .frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--color-bg-alt);
}
.split-media img { width: 100%; height: 100%; object-fit: cover; }

.differentiators { list-style: none; margin-top: 28px; display: flex; flex-direction: column; gap: 20px; }

.differentiators li {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 14px;
}

.differentiators .mark {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--color-accent-deep);
  font-size: 20px;
}

.differentiators h4 { font-size: 16.5px; margin-bottom: 4px; }
.differentiators p { font-size: 14.5px; color: var(--color-ink-soft); }

@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; gap: 36px; }
  .split-media { order: -1; }
}

/* ===== Founder ===== */
.founder {
  background: var(--color-ink);
  color: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: 56px;
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  align-items: center;
}

.founder-avatar {
  width: 176px;
  height: 176px;
  border-radius: 50%;
  overflow: hidden;
  background: rgba(255,255,255,0.1);
  border: 2px solid var(--color-accent);
}
.founder-avatar img { width: 100%; height: 100%; object-fit: cover; }

.founder h2 { color: var(--color-bg); font-size: 26px; margin-bottom: 6px; }
.founder .role { color: var(--color-accent); font-size: 14.5px; margin-bottom: 18px; font-weight: 600; }
.founder p { color: rgba(250,248,244,0.86); font-size: 15.5px; max-width: 68ch; }

@media (max-width: 720px) {
  .founder { grid-template-columns: 1fr; text-align: center; padding: 40px 28px; }
  .founder-avatar { margin: 0 auto; }
  .founder .differentiators, .founder p { max-width: none; }
}

/* ===== FAQ ===== */
.faq-list { max-width: 780px; margin: 0 auto; border-top: 1px solid var(--color-border); }

.faq-item { border-bottom: 1px solid var(--color-border); }

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 4px;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 16.5px;
  font-weight: 600;
  color: var(--color-ink);
  cursor: pointer;
  min-height: 48px;
}

.faq-q .plus {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  position: relative;
}
.faq-q .plus::before, .faq-q .plus::after {
  content: "";
  position: absolute;
  background: var(--color-accent-deep);
  transition: transform 220ms var(--ease-out);
}
.faq-q .plus::before { top: 50%; left: 0; width: 100%; height: 2px; transform: translateY(-50%); }
.faq-q .plus::after { left: 50%; top: 0; height: 100%; width: 2px; transform: translateX(-50%); }

.faq-item.is-open .faq-q .plus::after { transform: translateX(-50%) rotate(90deg); opacity: 0; }

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 280ms var(--ease-out);
}

.faq-a p {
  padding: 0 4px 24px;
  color: var(--color-ink-soft);
  font-size: 15px;
  max-width: 64ch;
}

/* ===== Final CTA ===== */
.final-cta {
  background: var(--color-ink);
  border-radius: var(--radius-lg);
  padding: 72px 48px;
  text-align: center;
  color: var(--color-bg);
}

.final-cta h2 { color: var(--color-bg); margin-bottom: 16px; font-size: clamp(1.7rem, 3vw, 2.3rem); }
.final-cta p { color: rgba(250,248,244,0.75); max-width: 52ch; margin: 0 auto 34px; }
.final-cta .btn-group { justify-content: center; }
.final-cta .btn-outline { color: var(--color-bg); border-color: rgba(250,248,244,0.3); }
.final-cta .btn-outline:hover { border-color: var(--color-bg); }

@media (max-width: 640px) {
  .final-cta { padding: 48px 24px; }
}

/* ===== Footer ===== */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

.footer-info {
  font-size: 13.5px;
  color: var(--color-ink-soft);
  line-height: 1.8;
}

.footer-links { display: flex; gap: 22px; }
.footer-links a { font-size: 13.5px; color: var(--color-ink-soft); }
.footer-links a:hover { color: var(--color-accent-deep); }

/* ===== Skip link ===== */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-accent);
  color: var(--color-ink);
  padding: 12px 20px;
  z-index: 1000;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ===== Focus visibility ===== */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--color-accent-deep);
  outline-offset: 2px;
}