/* ============================================================
   Honmono AI — landing page
   Look & feel: sleek near-black app-style (aicomicfactory.ai as
   structural reference), Honmono brand accents:
   red #ED1C24 · coral #F69B6E · purple #8859FF
   ============================================================ */

:root {
  --bg: #0E0A13;            /* near-black with a purple hint */
  --bg-raise: #14101B;      /* cards / app windows */
  --bg-bar: #1A1522;        /* window bars */
  --line: rgba(255, 255, 255, 0.08);
  --red: #ED1C24;           /* buttons / fills */
  --red-hot: #FF3B42;       /* hovers */
  --accent-text: #FF4D54;   /* headline highlight (brighter for contrast) */
  --coral: #F69B6E;
  --purple: #8859FF;
  --ink: #F4F1F8;
  --ink-soft: #A79DB5;
  --radius: 16px;
  --font: "Inter", system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

.container { width: min(1160px, 92vw); margin-inline: auto; }
.container-narrow { width: min(760px, 92vw); }

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

/* ---------- type ---------- */

h1 {
  font-size: clamp(2.6rem, 5.6vw, 4.1rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin-bottom: 0.5em;
}

.accent { color: var(--accent-text); }

.lede {
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  max-width: 40em;
  margin: 1.2rem auto 0;
}

.body-copy { color: var(--ink-soft); max-width: 44em; }
.body-copy strong { color: var(--ink); }

.kicker {
  color: var(--ink-soft);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.78rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.7em;
}
.kicker::before {
  content: "";
  width: 2em;
  height: 2px;
  background: var(--red);
  flex: none;
}

/* ---------- buttons / pills ---------- */

.btn {
  display: inline-block;
  font-weight: 600;
  font-family: var(--font);
  font-size: 1rem;
  padding: 0.8em 1.7em;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-red {
  background: var(--red);
  color: #fff;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08) inset, 0 6px 30px rgba(237, 28, 36, 0.4);
}
.btn-red:hover { background: var(--red-hot); }

.btn-nav { padding: 0.55em 1.3em; font-size: 0.92rem; }

.pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink);
  padding: 0.45em 1.1em;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: 0 0 24px rgba(237, 28, 36, 0.12);
}
.pill-badge .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--red-hot);
  box-shadow: 0 0 8px var(--red-hot);
}
.pill-badge-sm { font-size: 0.76rem; padding: 0.35em 0.9em; box-shadow: none; }

/* ---------- nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(14, 10, 19, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 0.75rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--ink);
  margin-right: auto;
}
.brand-word {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.brand-word em { color: var(--accent-text); font-style: normal; }

.nav-links { display: flex; gap: 1.7rem; }
.nav-links a {
  color: var(--ink-soft);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.94rem;
  transition: color 0.15s ease;
}
.nav-links a:hover { color: var(--ink); }

/* ---------- hero ---------- */

.hero {
  position: relative;
  padding: 6.5rem 0 4rem;
  overflow: hidden;
  text-align: center;
}

/* dimmed full-bleed comic art, like the reference's manga backdrop */
.hero-bg {
  position: absolute;
  inset: 0;
  background: url("assets/honmono.jpg") center 20% / cover no-repeat;
  opacity: 0.14;
  filter: saturate(0.55);
  pointer-events: none;
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(14, 10, 19, 0.4) 0%, rgba(14, 10, 19, 0.75) 55%, var(--bg) 100%);
}

.hero-inner { position: relative; }

.hero h1 { margin-top: 1.6rem; }
.hero h1 .accent { display: block; }

.hero .signup-form { justify-content: center; }

.benefit-trio {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 2rem;
  flex-wrap: wrap;
  color: var(--ink-soft);
  font-size: 0.92rem;
}
.benefit-trio strong { color: var(--coral); font-weight: 600; }

.hero-app { position: relative; margin-top: 3.5rem; }

/* ---------- app windows (framed screenshots) ---------- */

.app-window {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-raise);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55), 0 0 50px rgba(136, 89, 255, 0.10);
}
.app-window img { width: 100%; }

.app-window-wide { max-width: 980px; margin-inline: auto; }

.app-window-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 1.1rem;
  background: var(--bg-bar);
  border-bottom: 1px solid var(--line);
}
.app-window-title { font-weight: 600; font-size: 0.92rem; }

/* ---------- sections ---------- */

.section { padding: 4.5rem 0; }

/* ---------- forms ---------- */

.signup-form {
  display: flex;
  gap: 0.7rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}
.signup-form input {
  flex: 1 1 250px;
  max-width: 340px;
  padding: 0.8em 1.3em;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
  color: var(--ink);
  font-size: 1rem;
  font-family: var(--font);
}
.signup-form input::placeholder { color: rgba(167, 157, 181, 0.6); }
.signup-form input:focus {
  outline: 2px solid var(--purple);
  outline-offset: 1px;
  border-color: transparent;
}

.form-note {
  margin-top: 0.8rem;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

/* ---------- cards ---------- */

.card-grid { display: grid; gap: 1.3rem; margin-top: 2.4rem; }
.card-grid.two { grid-template-columns: repeat(2, 1fr); }
.card-grid.three { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.9rem 1.7rem;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.card:hover {
  border-color: rgba(255, 77, 84, 0.35);
  transform: translateY(-3px);
}

.card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.55rem;
}
.card p { color: var(--ink-soft); font-size: 0.96rem; }

.card-num {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent-text);
  margin-bottom: 0.8rem;
}

.step-num {
  display: inline-grid;
  place-items: center;
  width: 2.4rem; height: 2.4rem;
  border-radius: 50%;
  background: var(--red);
  color: #fff;
  font-weight: 700;
  margin-bottom: 1rem;
  box-shadow: 0 0 24px rgba(237, 28, 36, 0.45);
}

/* ---------- feature rows (alternating) ---------- */

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
  padding: 3rem 0;
}
.feature-row + .feature-row { border-top: 1px solid var(--line); }

.feature-row-flip .feature-copy { order: 2; }
.feature-row-flip .app-window { order: 1; }

.feature-row .app-window img {
  max-height: 420px;
  object-fit: cover;
  object-position: top center;
}

/* ---------- badges & photos ---------- */

.badge-strip {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.8rem;
}
.badge-strip li {
  padding: 0.5em 1.1em;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.03);
}
.badge-strip .badge-advisor { border-color: rgba(246, 155, 110, 0.5); color: var(--coral); }

.photo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.3rem;
  margin-top: 2.2rem;
}
.photo-card {
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.photo-card img {
  width: 100%;
  height: 230px;
  object-fit: cover;
  filter: saturate(0.9);
}
.photo-card figcaption { padding: 1rem 1.2rem 1.2rem; }
.photo-card h3 { font-size: 1.02rem; font-weight: 700; }
.photo-card p { color: var(--ink-soft); font-size: 0.88rem; margin-top: 0.2rem; }

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

.faq-item {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--bg-raise);
  margin-top: 0.9rem;
  overflow: hidden;
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 1.1rem 1.4rem;
  font-weight: 600;
  position: relative;
  padding-right: 3rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 1.3rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--accent-text);
}
.faq-item[open] summary::after { content: "–"; }
.faq-item p {
  padding: 0 1.4rem 1.2rem;
  color: var(--ink-soft);
  font-size: 0.96rem;
}

/* ---------- CTA card ---------- */

.cta-card {
  text-align: center;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 4rem 2rem;
  background:
    radial-gradient(ellipse at 50% -20%, rgba(237, 28, 36, 0.18), transparent 55%),
    radial-gradient(ellipse at 90% 120%, rgba(136, 89, 255, 0.14), transparent 55%),
    var(--bg-raise);
  box-shadow: 0 0 60px rgba(237, 28, 36, 0.08);
}
.cta-card .kicker { justify-content: center; }
.cta-card .body-copy { margin-inline: auto; }
.cta-card .signup-form { justify-content: center; }

/* ---------- footer ---------- */

.footer {
  border-top: 1px solid var(--line);
  padding: 3.5rem 0 3rem;
  background: #0B0810;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}
.footer-brand img { border-radius: 10px; }
.footer-brand p {
  color: var(--ink-soft);
  font-size: 0.92rem;
  margin-top: 1rem;
}
.footer-links { display: flex; flex-direction: column; gap: 0.55rem; }
.footer-links a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.94rem;
}
.footer-links a:hover { color: var(--ink); }
.footer-meta { color: var(--ink-soft); font-size: 0.88rem; text-align: right; }

/* ---------- responsive ---------- */

@media (max-width: 960px) {
  .feature-row { grid-template-columns: 1fr; gap: 2rem; padding: 2.5rem 0; }
  .feature-row-flip .feature-copy { order: 1; }
  .feature-row-flip .app-window { order: 2; }
  .photo-grid { grid-template-columns: 1fr; }
  .photo-card img { height: 300px; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-meta { text-align: left; }
}

@media (max-width: 680px) {
  .nav-links { display: none; }
  .card-grid.two, .card-grid.three { grid-template-columns: 1fr; }
  .section { padding: 3rem 0; }
  .hero { padding: 4rem 0 3rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .card { transition: none; }
}