:root {
  --red: #e8395a;
  --red-dark: #c4233e;
  --red-light: #fff0f3;
  --cream: #fdfaf8;
  --border: #efd8dc;
  --text: #1a1a1a;
  --text-sub: #7a6a6a;
  --text-light: #b8a0a4;
}
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "Noto Sans KR", sans-serif;
  background: var(--cream);
  color: var(--text);
  overflow-x: hidden;
}

/* NAV */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 64px;
  background: rgba(253, 250, 248, 0.93);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}
.nav-logo img {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  object-fit: cover;
}
.nav-logo span {
  font-family: "Noto Serif KR", serif;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.3px;
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-right a.lk {
  font-size: 13px;
  color: var(--text-sub);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-right a.lk:hover {
  color: var(--red);
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  background: var(--red);
  color: #fff;
  padding: 9px 22px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition:
    background 0.2s,
    transform 0.2s;
}
.nav-cta:hover {
  background: var(--red-dark);
  transform: translateY(-1px);
}

/* HERO */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding-top: 64px;
}
.hero-img-wrap {
  width: 100%;
  aspect-ratio: 16/8;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}
.hero-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.hero-img-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0) 0%,
    rgba(0, 0, 0, 0) 60%,
    rgba(28, 26, 30, 0.08) 72%,
    rgba(28, 26, 30, 0.2) 80%,
    rgba(28, 26, 30, 0.45) 88%,
    rgba(28, 26, 30, 0.75) 94%,
    rgba(28, 26, 30, 1) 100%
  );
}
.hero-text-area {
  background: #ffffff;
  padding: 0;
  margin-top: -2px;
}
.hero-text-inner {
  max-width: 1080px;
  margin: 0 auto;
  width: 100%;
  padding: 80px 40px 60px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero-sub {
  font-family: "Noto Serif KR", serif;
  font-size: clamp(18px, 2.2vw, 26px);
  color: #2a2227;
  line-height: 1.8;
  margin-bottom: 40px;
  opacity: 0;
  transform: translateY(18px);
  animation: fadeUp 0.65s ease forwards 0.1s;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(18px);
  animation: fadeUp 0.65s ease forwards 0.25s;
  margin-bottom: 72px;
}
.btn-white {
  display: inline-flex;
  align-items: center;
  background: #c0305a;
  color: #ffffff;
  padding: 15px 32px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  letter-spacing: -0.3px;
  transition:
    background 0.2s,
    transform 0.2s,
    box-shadow 0.2s;
}
.btn-white:hover {
  background: #a8264d;
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(192, 48, 90, 0.3);
}
.btn-outline-white {
  display: inline-flex;
  align-items: center;
  border: 1.5px solid rgba(42, 34, 39, 0.35);
  color: #2a2227;
  padding: 14px 30px;
  border-radius: 100px;
  font-size: 15px;
  text-decoration: none;
  transition: all 0.2s;
}
.btn-outline-white:hover {
  background: rgba(42, 34, 39, 0.06);
  border-color: #2a2227;
  transform: translateY(-2px);
}
.hero-stat-img-wrap {
  width: 70%;
  margin: 40px auto 0;
  opacity: 0;
  transform: translateY(18px);
  animation: fadeUp 0.65s ease forwards 0.4s;
}
.hero-stat-img {
  width: 100%;
  height: auto;
  display: block;
}
.hero-stat-num em {
  font-style: normal;
  color: var(--red);
}
.hero-stat-num small {
  font-family: "Noto Sans KR", sans-serif;
  font-size: clamp(13px, 1.4vw, 17px);
  color: rgba(255, 255, 255, 0.55);
  font-weight: 300;
}
.confetti {
  position: relative;
  display: inline-block;
}
.conf1,
.conf2 {
  position: absolute;
  opacity: 0;
  animation: pop 0.6s ease forwards;
}
.conf1 {
  top: -14px;
  right: -22px;
  font-size: 22px;
  animation-delay: 1s;
}
.conf2 {
  top: -18px;
  left: -16px;
  font-size: 18px;
  animation-delay: 1.15s;
}
@keyframes pop {
  0% {
    opacity: 0;
    transform: scale(0) rotate(-20deg);
  }
  60% {
    opacity: 1;
    transform: scale(1.3) rotate(10deg);
  }
  100% {
    opacity: 1;
    transform: scale(1) rotate(0);
  }
}

/* SECTION BASE */
section {
  padding: 100px 40px;
}
.inner {
  max-width: 1080px;
  margin: 0 auto;
}
.s-label {
  font-size: 11px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--red);
  font-weight: 500;
  margin-bottom: 14px;
}
.s-title {
  font-family: "Noto Serif KR", serif;
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: -0.5px;
  margin-bottom: 10px;
}
.s-desc {
  font-size: 15px;
  color: var(--text-sub);
  margin-bottom: 16px;
}
.s-sub {
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-sub);
  max-width: 500px;
}

/* TIMELINE */
.timeline-wrap {
  margin: 52px 0 64px;
}
.timeline-title {
  font-family: "Noto Serif KR", serif;
  font-size: clamp(17px, 2vw, 22px);
  font-weight: 500;
  color: var(--text);
  margin-bottom: 36px;
  letter-spacing: -0.3px;
}
.timeline {
  position: relative;
  padding-left: 28px;
  border-left: 2px solid #f0dde2;
}
.tl-item {
  position: relative;
  padding: 0 0 40px 28px;
}
.tl-item:last-child {
  padding-bottom: 0;
}
.tl-dot {
  position: absolute;
  left: -36px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #e8c0cc;
  border: 2px solid white;
  box-shadow: 0 0 0 2px #e8c0cc;
}
.tl-dot--current {
  background: var(--red);
  box-shadow: 0 0 0 2px var(--red);
}
.tl-date {
  font-size: 13px;
  font-weight: 600;
  color: var(--red);
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}
.tl-date span {
  display: inline-block;
  margin-left: 8px;
  font-size: 11px;
  font-weight: 400;
  background: #fdeef3;
  color: var(--red);
  padding: 1px 8px;
  border-radius: 20px;
  letter-spacing: 0;
}
.tl-content strong {
  display: block;
  font-family: "Noto Serif KR", serif;
  font-size: clamp(15px, 1.6vw, 18px);
  font-weight: 500;
  color: var(--text);
  margin-bottom: 6px;
}
.tl-content p {
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-sub);
}

/* HOW */
.how {
  background: white;
}
.how-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}
.how-item {
  position: relative;
}
.how-img-wrap {
  width: 100%;
  aspect-ratio: 3/4;
  border-radius: 18px;
  overflow: hidden;
  position: relative;
  margin-bottom: 20px;
  background: #f0e8ec;
}
.how-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.how-num-overlay {
  position: absolute;
  top: 16px;
  left: 20px;
  z-index: 2;
  font-family: "Cormorant Garamond", serif;
  font-size: 64px;
  font-weight: 300;
  color: white;
  line-height: 1;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.4);
}
.how-t {
  font-family: "Noto Serif KR", serif;
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 8px;
  letter-spacing: -0.3px;
}
.how-d {
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-sub);
}

/* STORY SECTION — dark bg */
.story-section {
  background: #1a1212;
  padding: 100px 20px;
}
.story-question {
  text-align: center;
  font-family: "Noto Serif KR", serif;
  font-size: clamp(22px, 4vw, 52px);
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: -0.5px;
  color: white;
  margin-bottom: 64px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}
.story-question em {
  color: var(--red);
  font-style: normal;
}
.story-img-wrap {
  max-width: 640px;
  margin: 0 auto;
  border-radius: 24px;
  overflow: hidden;
}
.story-img-placeholder {
  width: 100%;
  aspect-ratio: 3/4;
  background: linear-gradient(
    160deg,
    #2e1a1e 0%,
    #3d1f28 50%,
    #1a0d10 100%
  );
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.story-img-spec {
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.3);
  text-align: center;
}
.story-img-spec strong {
  display: block;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  margin-top: 6px;
  line-height: 1.6;
}
.story-answer {
  max-width: 640px;
  margin: -44px auto 0;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 20px;
  padding: 36px;
  position: relative;
  z-index: 2;
}
.story-answer p {
  font-family: "Noto Serif KR", serif;
  font-weight: 300;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 2;
  color: rgba(255, 255, 255, 0.85);
}
.story-answer strong {
  font-weight: 500;
  color: white;
}

/* DIFF */
.diff {
  background: #f5eaec;
}
.diff-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 56px;
}
.diff-card {
  background: #fff;
  border: 1px solid #e0c8cc;
  border-radius: 22px;
  padding: 40px;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
  transition:
    transform 0.3s,
    box-shadow 0.3s;
}
.diff-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 44px rgba(0, 0, 0, 0.1);
}
.diff-ico {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: var(--red-light);
  border: 1px solid rgba(232, 57, 90, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  margin-bottom: 22px;
}
.diff-t {
  font-family: "Noto Serif KR", serif;
  font-size: 19px;
  font-weight: 500;
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}
.diff-d {
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-sub);
}

/* STATS */
.stats {
  background: var(--text);
}
.stats .s-label {
  color: rgba(255, 255, 255, 0.3);
}
.stats .s-title {
  color: white;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 56px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  overflow: hidden;
}
.stat-item {
  padding: 52px 44px;
  background: rgba(255, 255, 255, 0.03);
  text-align: center;
}
.stat-item + .stat-item {
  border-left: 1px solid rgba(255, 255, 255, 0.08);
}
.stat-n {
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(52px, 6vw, 76px);
  font-weight: 400;
  line-height: 1;
  color: white;
  margin-bottom: 6px;
}
.stat-n em {
  color: var(--red);
  font-style: normal;
}
.stat-l {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
  margin-top: 4px;
}
.stat-ll {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.22);
  margin-top: 4px;
}

/* REVIEWS */
.reviews {
  background: white;
}
.rv-wrap {
  position: relative;
  margin-top: 56px;
  overflow: hidden;
}
.rv-track {
  display: flex;
  gap: 18px;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.rv-card {
  flex: 0 0 calc(50% - 9px);
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: 22px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.rv-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
}
.rv-body {
  padding: 26px 28px;
  flex: 1;
}
.rv-stars {
  color: var(--red);
  font-size: 13px;
  letter-spacing: 2px;
  margin-bottom: 10px;
}
.rv-brand {
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 12px;
}
.rv-text {
  font-family: "Noto Serif KR", serif;
  font-weight: 300;
  font-size: 14px;
  line-height: 1.9;
  color: var(--text-sub);
}
.rv-author {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 14px;
}
.rv-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 28px;
}
.rv-nav button {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: white;
  cursor: pointer;
  font-size: 15px;
  color: var(--text-sub);
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.rv-nav button:hover {
  background: var(--red);
  color: white;
  border-color: var(--red);
}
.rv-dots {
  display: flex;
  gap: 6px;
}
.rv-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--border);
  cursor: pointer;
  transition: all 0.25s;
}
.rv-dots span.on {
  background: var(--red);
  width: 20px;
  border-radius: 3px;
}

/* APP */
.app {
  background: var(--cream);
  border-top: 1px solid var(--border);
}
.app-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  background: var(--text);
  border-radius: 28px;
  padding: 64px;
}
.app .s-label {
  color: rgba(255, 255, 255, 0.35);
}
.app .s-title {
  color: white;
  margin-bottom: 10px;
}
.app .s-sub {
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 32px;
}
.app-btns {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.app-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.08);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 14px 26px;
  border-radius: 16px;
  text-decoration: none;
  transition:
    background 0.2s,
    transform 0.2s;
}
.app-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}
.app-btn-ico {
  font-size: 24px;
}
.app-btn-t {
  display: flex;
  flex-direction: column;
}
.app-btn-t small {
  font-size: 10px;
  opacity: 0.55;
  letter-spacing: 0.5px;
}
.app-btn-t strong {
  font-size: 15px;
  font-weight: 500;
}
.app-logo-wrap {
  flex-shrink: 0;
  width: 100px;
  height: 100px;
}
.app-logo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 22px;
}

/* FOOTER */
footer {
  background: #111;
  padding: 64px 40px 32px;
}
.ft-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 48px;
}
.ft-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.ft-logo img {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  object-fit: cover;
}
.ft-logo span {
  font-family: "Noto Serif KR", serif;
  font-size: 15px;
  color: white;
}
.ft-desc {
  font-size: 13px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.35);
  max-width: 220px;
  word-break: keep-all;
}
.ft-sns {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}
.ft-sns a {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.4);
  font-size: 13px;
  text-decoration: none;
  transition: all 0.2s;
}
.ft-sns a:hover {
  background: var(--red);
  border-color: var(--red);
  color: white;
}
.ft-col h4 {
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.22);
  margin-bottom: 16px;
}
.ft-col a {
  display: block;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.42);
  text-decoration: none;
  margin-bottom: 10px;
  transition: color 0.2s;
}
.ft-col a:hover {
  color: white;
}
.ft-bottom {
  max-width: 1080px;
  margin: 36px auto 0;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.2);
  flex-wrap: wrap;
  gap: 8px;
}

/* ANIM */
@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.fu {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}
.fu.vis {
  opacity: 1;
  transform: translateY(0);
}

/* MOBILE */
@media (max-width: 768px) {
  nav {
    padding: 0 20px;
  }
  .nav-right .lk {
    display: none;
  }
  section {
    padding: 72px 20px;
  }
  .hero-text-area {
    padding: 40px 20px 56px;
  }
  .hero-text-inner {
    padding: 40px 24px 32px;
    text-align: center;
    align-items: center;
  }
  .hero-sub {
    font-size: 15px;
    line-height: 1.75;
    word-break: keep-all;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-stat-img-wrap {
    width: 100%;
    margin: 0;
  }
  .how-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .diff-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .stat-item + .stat-item {
    border-left: none;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }
  .rv-card {
    flex: 0 0 calc(85vw);
  }
  .app-inner {
    flex-direction: column;
    padding: 40px 28px;
  }
  .app-logo-wrap {
    display: none;
  }
  .ft-inner {
    grid-template-columns: 1fr;
  }
  .story-question {
    font-size: clamp(20px, 6vw, 30px);
  }
}