:root {
  --pink: #ffd3e2;
  --pink-deep: #ff9ec0;
  --pink-ink: #b14a76;
  --cream: #fff6fb;
  --ink: #5a4150;
  --muted: #9a8693;
  --accent: #ff7eb0;
  --radius: 26px;
  --shadow: 0 18px 40px rgba(255, 158, 192, 0.28);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Gaegu", "Apple SD Gothic Neo", -apple-system, sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #fff0f7 0%, #fff9f5 40%, #fff0f7 100%);
  line-height: 1.6;
  overflow-x: hidden;
}

h1,
h2,
h3,
.brand span,
.btn-primary,
.nav-cta {
  font-family: "Jua", "Apple SD Gothic Neo", sans-serif;
  font-weight: 400;
}

b {
  color: var(--pink-ink);
}

/* 떠다니는 장식 */
.floaties {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.floaties span {
  position: absolute;
  font-size: 28px;
  opacity: 0.5;
  animation: float 9s ease-in-out infinite;
}
.floaties span:nth-child(1) { left: 8%; top: 22%; animation-delay: 0s; }
.floaties span:nth-child(2) { left: 85%; top: 18%; animation-delay: 1.5s; }
.floaties span:nth-child(3) { left: 78%; top: 60%; animation-delay: 3s; }
.floaties span:nth-child(4) { left: 14%; top: 70%; animation-delay: 2s; }
.floaties span:nth-child(5) { left: 50%; top: 12%; animation-delay: 4s; }
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(-6deg); }
  50% { transform: translateY(-26px) rotate(6deg); }
}

/* NAV */
.nav {
  max-width: 1040px;
  margin: 0 auto;
  padding: 22px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 2;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}
.brand img {
  width: 40px;
  height: 40px;
  border-radius: 11px;
  box-shadow: var(--shadow);
}
.brand span {
  font-size: 22px;
}
.nav-cta {
  background: #fff;
  color: var(--pink-ink);
  text-decoration: none;
  padding: 10px 20px;
  border-radius: 999px;
  box-shadow: var(--shadow);
  font-size: 17px;
}

/* HERO */
.hero {
  position: relative;
  z-index: 1;
}
.hero-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 30px 24px 70px;
  text-align: center;
}
.hero-cat {
  position: relative;
  display: inline-block;
  margin-bottom: 6px;
}
.hero-cat img {
  width: 230px;
  height: auto;
  filter: drop-shadow(0 14px 22px rgba(177, 74, 118, 0.25));
}
.bob {
  animation: bob 2.4s ease-in-out infinite;
}
@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}
.bubble {
  position: absolute;
  top: 6px;
  right: -26px;
  background: #fff;
  color: var(--pink-ink);
  font-family: "Jua", sans-serif;
  padding: 8px 16px;
  border-radius: 16px 16px 16px 4px;
  box-shadow: var(--shadow);
  font-size: 16px;
  animation: pop 2.4s ease-in-out infinite;
}
@keyframes pop {
  0%, 100% { transform: scale(1) rotate(3deg); }
  50% { transform: scale(1.06) rotate(-2deg); }
}
h1 {
  font-size: clamp(34px, 6vw, 54px);
  color: var(--pink-ink);
  margin: 10px 0 14px;
}
.lede {
  font-size: 20px;
  color: var(--ink);
}
.cta-row {
  margin: 28px 0 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--pink-deep), var(--accent));
  color: #fff;
  text-decoration: none;
  padding: 16px 34px;
  border-radius: 999px;
  font-size: 21px;
  box-shadow: var(--shadow);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  display: inline-block;
}
.btn-primary:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 22px 48px rgba(255, 126, 176, 0.4);
}
.btn-primary.big {
  font-size: 24px;
  padding: 18px 44px;
}
.platform {
  color: var(--muted);
  font-size: 16px;
}
.privacy-pill {
  display: inline-block;
  margin-top: 18px;
  background: #fff;
  color: var(--pink-ink);
  padding: 9px 18px;
  border-radius: 999px;
  font-size: 15px;
  box-shadow: 0 8px 20px rgba(255, 158, 192, 0.2);
}

/* SECTIONS */
section {
  position: relative;
  z-index: 1;
  padding: 70px 24px;
}
section h2 {
  text-align: center;
  font-size: clamp(28px, 4.5vw, 38px);
  color: var(--pink-ink);
  margin-bottom: 40px;
}
.band.alt {
  background: rgba(255, 255, 255, 0.55);
}

.cards,
.steps,
.features {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  gap: 22px;
}
.cards { grid-template-columns: repeat(3, 1fr); }
.steps { grid-template-columns: repeat(3, 1fr); }
.features { grid-template-columns: repeat(3, 1fr); }

.card,
.step,
.feat {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px 22px;
  text-align: center;
  box-shadow: var(--shadow);
}
.card .emoji {
  font-size: 46px;
}
.card h3,
.step h3 {
  color: var(--pink-ink);
  font-size: 22px;
  margin: 10px 0 6px;
}
.card p,
.step p {
  color: var(--muted);
  font-size: 17px;
}

.step {
  position: relative;
}
.step img {
  width: 110px;
  height: 110px;
  object-fit: contain;
  margin: 6px 0;
}
.step .num {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  width: 38px;
  height: 38px;
  line-height: 38px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-family: "Jua", sans-serif;
  font-size: 20px;
  box-shadow: var(--shadow);
}

.feat {
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.feat b {
  font-size: 19px;
}
.feat span {
  color: var(--muted);
  font-size: 16px;
}

/* DOWNLOAD */
.download {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}
.download img {
  width: 150px;
}
.download p {
  font-size: 19px;
  color: var(--ink);
  margin-bottom: 24px;
}
.download .note {
  margin-top: 16px;
  font-size: 15px;
  color: var(--muted);
}

/* FOOTER */
footer {
  text-align: center;
  padding: 40px 24px 60px;
  color: var(--muted);
  position: relative;
  z-index: 1;
}
footer .tiny {
  font-size: 14px;
  opacity: 0.8;
}

/* 반응형 */
@media (max-width: 720px) {
  .cards,
  .steps,
  .features {
    grid-template-columns: 1fr;
  }
  .bubble { right: 0; }
}

/* 깜빡임 줄이기 선호 사용자 */
@media (prefers-reduced-motion: reduce) {
  .bob, .bubble, .floaties span { animation: none; }
}