:root {
  --robin-orange: #e85c3d;
  --robin-orange-soft: #f8ccc0;
  --egg-blue: #8fc2d4;
  --egg-blue-deep: #407a94;
  --nest-brown: #6b4f3b;
  --eggshell: #faf2e8;
  --twig: #2e2926;
  --sage: #8ca882;
  --radius: 18px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: ui-rounded, "SF Pro Rounded", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--eggshell);
  color: var(--twig);
  line-height: 1.55;
}

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

h1, h2, h3 { line-height: 1.15; letter-spacing: -0.01em; }

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

.btn {
  display: inline-block;
  background: var(--robin-orange);
  color: #fff;
  font-weight: 800;
  font-size: 1rem;
  text-decoration: none;
  padding: 0.9rem 1.6rem;
  border-radius: 14px;
  transition: transform 0.15s ease, background 0.15s ease;
}
.btn:hover { background: #d64f31; transform: translateY(-2px); }
.btn-small { padding: 0.5rem 1.1rem; font-size: 0.9rem; }
.btn-big { font-size: 1.15rem; padding: 1.1rem 2.2rem; }
.btn-ghost {
  background: transparent;
  color: var(--nest-brown);
  box-shadow: inset 0 0 0 2px var(--nest-brown);
}
.btn-ghost:hover { background: rgba(107, 79, 59, 0.08); }

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

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(250, 242, 232, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(107, 79, 59, 0.1);
}
.nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0.7rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--twig);
  font-weight: 800;
  font-size: 1.1rem;
}
.brand-icon { width: 34px; height: 34px; border-radius: 8px; }

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

.hero { padding: 4.5rem 1.25rem 5rem; }
.hero-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}
.hero h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); font-weight: 900; }
.tagline {
  margin-top: 0.9rem;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--robin-orange);
}
.subcopy { margin-top: 0.9rem; font-size: 1.1rem; color: var(--nest-brown); max-width: 34rem; }
.hero-ctas { margin-top: 1.8rem; display: flex; gap: 0.8rem; flex-wrap: wrap; align-items: center; }

.hero-visual { position: relative; display: flex; justify-content: center; }

.phone {
  width: min(300px, 78vw);
  aspect-ratio: 1206 / 2622;
  border-radius: 48px;
  border: 9px solid var(--twig);
  overflow: hidden;
  background: #fff;
  box-shadow: 0 24px 60px rgba(46, 41, 38, 0.25);
}
.phone img { width: 100%; height: 100%; object-fit: cover; }

.banner-card {
  position: absolute;
  top: 65%;
  left: 50%;
  transform: translateX(-50%) rotate(-2deg);
  width: min(340px, 88%);
  border-radius: 22px;
  box-shadow: 0 14px 40px rgba(46, 41, 38, 0.35);
  animation: bob 5s ease-in-out infinite;
}
@keyframes bob {
  0%, 100% { transform: translateX(-50%) rotate(-2deg) translateY(0); }
  50% { transform: translateX(-50%) rotate(-2deg) translateY(-8px); }
}

/* ---------- how ---------- */

.how { padding: 4.5rem 1.25rem; background: #fff; }
.how h2, .screens h2, .roadmap h2 { text-align: center; font-size: clamp(1.7rem, 3.5vw, 2.4rem); font-weight: 900; }
.cards {
  max-width: 1080px;
  margin: 2.5rem auto 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.card {
  background: var(--eggshell);
  border-radius: var(--radius);
  padding: 1.6rem;
  box-shadow: 0 6px 18px rgba(107, 79, 59, 0.08);
}
.card-num {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--robin-orange);
  color: #fff;
  font-weight: 900;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 0.9rem;
}
.card h3 { margin-bottom: 0.45rem; font-size: 1.2rem; }
.card p { color: var(--nest-brown); font-size: 0.98rem; }

/* ---------- screens ---------- */

.screens { padding: 4.5rem 1.25rem; }
.screens-row {
  max-width: 1080px;
  margin: 2.5rem auto 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.screens figure { text-align: center; }
.phone-sm { width: 100%; max-width: 270px; margin: 0 auto; border-width: 7px; border-radius: 40px; }
.screens figcaption { margin-top: 1.6rem; color: var(--nest-brown); font-size: 0.95rem; }
.screens figcaption strong { color: var(--twig); }

/* ---------- nudge ---------- */

.nudge { padding: 4.5rem 1.25rem; background: var(--egg-blue-deep); color: #fff; }
.nudge-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.nudge h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); font-weight: 900; }
.nudge-copy p { margin-top: 1rem; color: #dceef4; font-size: 1.05rem; }
.nudge-visual img {
  width: 100%;
  max-width: 460px;
  margin: 0 auto;
  border-radius: 24px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

/* ---------- roadmap ---------- */

.roadmap { padding: 4.5rem 1.25rem; text-align: center; }
.roadmap-sub {
  max-width: 44rem;
  margin: 1.2rem auto 0;
  color: var(--nest-brown);
  font-size: 1.1rem;
}

/* ---------- download ---------- */

.download { padding: 4.5rem 1.25rem 5.5rem; text-align: center; background: #fff; }
.download-icon { width: 96px; height: 96px; border-radius: 24px; margin: 0 auto 1.2rem; box-shadow: 0 10px 26px rgba(46,41,38,0.2); }
.download h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); font-weight: 900; }
.download p { margin: 0.8rem 0 1.6rem; color: var(--nest-brown); }
.fine { font-size: 0.85rem; color: var(--nest-brown); opacity: 0.75; margin-top: 1rem; }

/* ---------- app store badge ---------- */

.app-store-badge {
  display: inline-flex;
  width: 182px;
  align-items: center;
  transition: transform 0.18s ease, filter 0.18s ease;
}
.app-store-badge:hover {
  transform: translateY(-2px);
  filter: drop-shadow(0 14px 24px rgba(46, 41, 38, 0.18));
}
.app-store-badge img { width: 100%; height: auto; }

/* ---------- founder ---------- */

.founder-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 1.4rem;
  border: 1px solid rgba(107, 79, 59, 0.18);
  border-radius: 999px;
  padding: 6px 16px 6px 6px;
  background: rgba(255, 255, 255, 0.75);
  color: var(--nest-brown);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.founder-chip img {
  width: 30px; height: 30px;
  border-radius: 50%;
  object-fit: cover;
}
.founder-chip strong { color: var(--twig); }
.founder-chip:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(46, 41, 38, 0.12);
}

.founder { padding: 4.5rem 1.25rem; background: var(--eggshell); }
.founder-card {
  max-width: 920px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2.5rem;
  align-items: start;
  background: #fff;
  border-radius: 24px;
  padding: 2.5rem;
  box-shadow: 0 14px 36px rgba(107, 79, 59, 0.1);
}
.founder-photo {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 16px;
  object-fit: cover;
  box-shadow: 0 14px 32px rgba(46, 41, 38, 0.15);
}
.founder-note h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 900; margin-bottom: 0.8rem; }
.founder-note p { margin-top: 0.9rem; color: var(--nest-brown); }
.founder-note a { color: var(--robin-orange); font-weight: 700; }
.founder-signoff { font-weight: 800; color: var(--twig) !important; margin-top: 1.4rem !important; }

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

.footer { border-top: 1px solid rgba(107, 79, 59, 0.12); }
.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 1.4rem 1.25rem;
  display: flex;
  justify-content: space-between;
  color: var(--nest-brown);
  font-size: 0.9rem;
}

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

@media (max-width: 860px) {
  .hero-inner, .nudge-inner { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .cards, .screens-row { grid-template-columns: 1fr; }
  .phone-sm { max-width: 300px; }
  .nudge-visual { order: -1; }
  .founder-card { grid-template-columns: 1fr; padding: 1.6rem; }
  .founder-photo { max-width: 220px; }
}