/* Tailwind preflight 대체 리셋 (정적 배포용) */
*,*::before,*::after{box-sizing:border-box;border:0 solid;}
html{-webkit-text-size-adjust:100%;line-height:1.5;}
body{margin:0;}
h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit;margin:0;}
p,figure,blockquote,dl,dd{margin:0;}
ol,ul{list-style:none;margin:0;padding:0;}
a{color:inherit;text-decoration:inherit;}
button,input,select,textarea{font:inherit;color:inherit;margin:0;}
img,svg,video,canvas{display:block;vertical-align:middle;}
img,video{max-width:100%;height:auto;}

:root {
  --cobalt: #1f61e8;
  --cobalt-dark: #114bc4;
  --navy: #0d1a33;
  --navy-soft: #192844;
  --mist: #f3f6fa;
  --white: #ffffff;
  --ink: #162033;
  --muted: #69758a;
  --line: #dbe2ec;
  --mint: #53dfa2;
  --mint-soft: #e3fbf1;
  --amber: #ffb31a;
  --coral: #ff6f61;
  --display:
    "Arial Black", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  --body:
    "Pretendard Variable", Pretendard, "Apple SD Gothic Neo", "Noto Sans KR",
    sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--white);
}

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: var(--body);
  -webkit-font-smoothing: antialiased;
  word-break: keep-all;
}

body,
a,
button {
  -webkit-tap-highlight-color: transparent;
}

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

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

.container {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 12px 18px;
  border-radius: 10px;
  background: var(--navy);
  color: var(--white);
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 4px;
}

.site-header {
  position: relative;
  z-index: 30;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  background: var(--cobalt);
  color: var(--white);
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-family: var(--display);
  font-size: 21px;
  letter-spacing: -0.05em;
}

.brand img {
  border-radius: 11px;
  box-shadow: 0 6px 20px rgba(4, 28, 90, 0.24);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  font-weight: 700;
}

.header-nav > a {
  opacity: 0.82;
  transition: opacity 140ms ease;
}

.header-nav > a:hover {
  opacity: 1;
}

.header-download {
  display: flex;
  gap: 8px;
}

.store-button {
  min-height: 58px;
  padding: 9px 19px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 15px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  background: var(--navy);
  color: var(--white);
  box-shadow: 0 12px 26px rgba(6, 18, 43, 0.18);
  transition:
    transform 140ms ease,
    box-shadow 140ms ease,
    background 140ms ease;
}

.store-button:hover {
  transform: translateY(-2px);
  background: #172846;
  box-shadow: 0 16px 32px rgba(6, 18, 43, 0.24);
}

.store-button:active {
  transform: scale(0.98);
}

.store-button__mark {
  width: 25px;
  text-align: center;
  font-family: var(--body);
  font-size: 25px;
  line-height: 1;
}

.store-button small,
.store-button strong {
  display: block;
}

.store-button small {
  margin-bottom: 2px;
  color: #bfc8d9;
  font-size: 10px;
  font-weight: 600;
  line-height: 1;
}

.store-button strong {
  font-size: 15px;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

.store-button--compact {
  min-height: 38px;
  padding: 8px 12px;
  border-color: rgba(255, 255, 255, 0.22);
  border-radius: 10px;
  box-shadow: none;
}

.store-button--compact .store-button__mark {
  width: 17px;
  font-size: 16px;
}

.store-button--compact strong {
  font-size: 12px;
}

.hero {
  position: relative;
  min-height: 820px;
  overflow: hidden;
  background: var(--cobalt);
  color: var(--white);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -34% 46%;
  width: 700px;
  aspect-ratio: 1;
  border: 140px solid rgba(255, 255, 255, 0.035);
  border-radius: 50%;
}

.hero-grid,
.download-grid {
  position: absolute;
  inset: 0;
  opacity: 0.18;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.16) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: linear-gradient(90deg, transparent 2%, #000 60%, transparent 100%);
}

.hero-layout {
  position: relative;
  z-index: 2;
  min-height: 820px;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(520px, 1.05fr);
  align-items: center;
  gap: 74px;
  padding-top: 46px;
  padding-bottom: 70px;
}

.eyebrow {
  margin: 0 0 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.76);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.eyebrow > span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 5px rgba(83, 223, 162, 0.16);
}

.eyebrow--dark {
  justify-content: flex-start;
  color: var(--cobalt);
}

.eyebrow--light {
  color: var(--mint);
}

.hero h1 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(50px, 5.3vw, 76px);
  line-height: 1.04;
  letter-spacing: -0.075em;
}

.hero h1 em {
  color: var(--mint);
  font-style: normal;
}

.hero-description {
  max-width: 560px;
  margin: 28px 0 32px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 18px;
  line-height: 1.75;
  letter-spacing: -0.03em;
}

.store-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.text-link {
  margin-top: 22px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  font-weight: 700;
}

.text-link span {
  font-family: var(--mono);
  font-size: 18px;
}

.hero-proof {
  margin: 42px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  list-style: none;
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
  font-weight: 700;
}

.hero-proof li::before {
  content: "✓";
  margin-right: 7px;
  color: var(--mint);
}

.hero-product {
  position: relative;
  height: 690px;
}

.route {
  position: absolute;
  border: 2px dashed rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: rotate(-15deg);
}

.route::after {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  border: 4px solid var(--white);
  border-radius: 50% 50% 50% 0;
  background: var(--amber);
  transform: rotate(-30deg);
}

.route--one {
  inset: 52px 20px 140px 85px;
}

.route--one::after {
  top: -4px;
  left: 90px;
}

.route--two {
  inset: 290px 58px 32px -20px;
}

.route--two::after {
  right: 70px;
  bottom: 18px;
}

.availability-board {
  position: absolute;
  z-index: 1;
  top: 44px;
  right: 0;
  width: 320px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 22px;
  background: rgba(12, 28, 57, 0.94);
  box-shadow: 0 28px 55px rgba(6, 25, 76, 0.3);
  backdrop-filter: blur(12px);
}

.board-heading {
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.58);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.board-live {
  color: var(--mint);
}

.board-live i {
  width: 6px;
  height: 6px;
  margin-right: 4px;
  border-radius: 50%;
  display: inline-block;
  background: var(--mint);
  box-shadow: 0 0 0 5px rgba(83, 223, 162, 0.13);
  animation: pulse 1.8s ease-in-out infinite;
}

.board-row {
  min-height: 68px;
  padding: 10px 7px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  display: grid;
  grid-template-columns: 29px 1fr auto;
  align-items: center;
  gap: 9px;
}

.board-pin {
  width: 27px;
  height: 27px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.65);
  font-family: var(--mono);
  font-size: 10px;
}

.board-row strong,
.board-row small {
  display: block;
}

.board-row strong {
  margin-bottom: 5px;
  font-size: 12px;
}

.board-row small {
  color: rgba(255, 255, 255, 0.48);
  font-size: 10px;
}

.board-row > b {
  color: rgba(255, 255, 255, 0.52);
  font-family: var(--mono);
  font-size: 18px;
}

.board-row > b small {
  display: inline;
  font-size: 9px;
}

.board-row--open > b {
  color: var(--mint);
}

.board-row--watching > b {
  color: var(--amber);
}

.hero-phone {
  position: absolute;
  z-index: 3;
  left: 30px;
  bottom: -62px;
  width: 340px;
  filter: drop-shadow(0 30px 35px rgba(9, 30, 81, 0.32));
  transform: rotate(-2deg);
}

.hero-phone img {
  width: 100%;
}

.notify-card {
  position: absolute;
  z-index: 5;
  right: -10px;
  bottom: 76px;
  width: 322px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 18px;
  display: grid;
  grid-template-columns: 36px 1fr auto;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--ink);
  box-shadow: 0 24px 45px rgba(8, 28, 74, 0.28);
  animation: float 3.4s ease-in-out infinite;
}

.notify-icon {
  width: 34px;
  height: 34px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  background: var(--mint-soft);
  color: #0f9d67;
  font-family: var(--mono);
  font-weight: 900;
}

.notify-card small,
.notify-card strong {
  display: block;
}

.notify-card small {
  margin-bottom: 3px;
  color: var(--muted);
  font-size: 10px;
}

.notify-card strong {
  font-size: 13px;
}

.notify-card b {
  color: var(--cobalt);
  font-size: 11px;
}

.problem-section,
.features-section {
  padding: 140px 0;
}

.problem-section {
  background: var(--mist);
}

.section-heading {
  margin-bottom: 60px;
}

.section-heading--center {
  text-align: center;
}

.section-heading--center .eyebrow {
  justify-content: center;
}

.section-heading h2,
.trust-section h2,
.download-section h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(38px, 4.6vw, 62px);
  line-height: 1.14;
  letter-spacing: -0.065em;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.problem-card {
  min-height: 278px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--white);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease;
}

.problem-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 45px rgba(25, 46, 83, 0.08);
}

.problem-number {
  color: var(--cobalt);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 800;
}

.problem-before {
  margin: 42px 0 10px;
  color: var(--muted);
  font-size: 14px;
  text-decoration: line-through;
  text-decoration-color: var(--coral);
  text-decoration-thickness: 2px;
}

.problem-card h3 {
  margin: 0 0 14px;
  font-size: 24px;
  letter-spacing: -0.05em;
}

.problem-card > p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.feature-list {
  display: grid;
  gap: 24px;
}

.feature-card {
  min-height: 620px;
  padding: 62px 68px 0;
  border-radius: 34px;
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 36px;
  overflow: hidden;
}

.feature-card--mint {
  background: var(--mint-soft);
}

.feature-card--blue {
  background: #e8efff;
}

.feature-card--amber {
  background: #fff5dc;
}

.feature-copy {
  align-self: center;
  padding-bottom: 62px;
}

.feature-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--cobalt);
  font-size: 14px;
  font-weight: 800;
}

.feature-label i {
  width: 33px;
  height: 33px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--white);
  font-family: var(--mono);
  font-size: 10px;
  font-style: normal;
}

.feature-copy h3 {
  margin: 28px 0 22px;
  font-family: var(--display);
  font-size: clamp(36px, 4.4vw, 58px);
  line-height: 1.13;
  letter-spacing: -0.065em;
}

.feature-copy h3 span {
  display: block;
}

.feature-copy p {
  max-width: 470px;
  margin: 0;
  color: #596779;
  font-size: 17px;
  line-height: 1.75;
}

.feature-visual {
  position: relative;
  align-self: end;
  height: 560px;
  overflow: hidden;
}

.feature-visual::before {
  content: "";
  position: absolute;
  inset: 80px 6% -30% 14%;
  border-radius: 50% 50% 0 0;
  background: rgba(255, 255, 255, 0.6);
}

.feature-visual img {
  position: relative;
  z-index: 1;
  width: 340px;
  margin: 0 auto;
  filter: drop-shadow(0 28px 35px rgba(39, 62, 100, 0.2));
}

.feature-card:nth-child(even) .feature-copy {
  order: 2;
}

.feature-card:nth-child(even) .feature-visual {
  order: 1;
}

.trust-section {
  padding: 130px 0;
  background: var(--navy);
  color: var(--white);
}

.trust-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 100px;
}

.trust-list {
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.trust-list article {
  padding: 28px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  display: grid;
  grid-template-columns: 76px 1fr;
  column-gap: 18px;
}

.trust-list article > span {
  grid-row: 1 / span 2;
  color: var(--mint);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.trust-list h3 {
  margin: 0 0 8px;
  font-size: 20px;
  letter-spacing: -0.04em;
}

.trust-list p {
  margin: 0;
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  line-height: 1.65;
}

.download-section {
  position: relative;
  min-height: 690px;
  overflow: hidden;
  background: var(--cobalt);
  color: var(--white);
}

.download-layout {
  position: relative;
  z-index: 2;
  min-height: 690px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
}

.download-copy {
  padding: 90px 0;
}

.download-copy > img {
  margin-bottom: 26px;
  border-radius: 20px;
  box-shadow: 0 16px 34px rgba(5, 26, 81, 0.25);
}

.download-copy > p:not(.eyebrow) {
  margin: 24px 0 30px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 17px;
}

.download-phones {
  position: relative;
  align-self: stretch;
}

.download-phone {
  position: absolute;
  width: 330px;
  filter: drop-shadow(0 28px 40px rgba(5, 25, 77, 0.28));
}

.download-phone--back {
  top: 120px;
  right: 200px;
  transform: rotate(-8deg);
}

.download-phone--front {
  top: 45px;
  right: -30px;
  transform: rotate(5deg);
}

.site-footer {
  padding: 50px 0;
  background: #091326;
  color: var(--white);
}

.footer-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
}

.brand--footer {
  margin-bottom: 14px;
  font-size: 18px;
}

.footer-inner p {
  margin: 0;
  color: rgba(255, 255, 255, 0.48);
  font-size: 13px;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: rgba(255, 255, 255, 0.65);
  font-size: 12px;
}

.footer-links a:hover {
  color: var(--white);
}

.footer-links small {
  color: rgba(255, 255, 255, 0.34);
}

.mobile-store-bar {
  display: none;
}

@keyframes pulse {
  50% {
    opacity: 0.55;
    box-shadow: 0 0 0 8px rgba(83, 223, 162, 0);
  }
}

@keyframes float {
  50% {
    transform: translateY(-8px);
  }
}

@media (max-width: 1000px) {
  .header-nav > a {
    display: none;
  }

  .hero {
    min-height: auto;
  }

  .hero-layout {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 28px;
    padding-top: 100px;
  }

  .hero-copy {
    max-width: 700px;
  }

  .hero-product {
    width: min(650px, 100%);
    margin: 0 auto;
  }

  .problem-grid {
    grid-template-columns: 1fr;
  }

  .problem-card {
    min-height: 220px;
  }

  .problem-before {
    margin-top: 30px;
  }

  .feature-card {
    padding-right: 42px;
    padding-left: 42px;
  }

  .feature-copy h3 {
    font-size: 43px;
  }

  .trust-grid {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .download-layout {
    grid-template-columns: 1fr;
  }

  .download-copy {
    position: relative;
    z-index: 2;
    max-width: 700px;
  }

  .download-phones {
    position: absolute;
    inset: 0;
    opacity: 0.23;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(100% - 36px, 560px);
  }

  .site-header {
    position: sticky;
    top: 0;
  }

  .header-inner {
    min-height: 60px;
  }

  .brand {
    font-size: 18px;
  }

  .brand img {
    width: 36px;
    height: 36px;
  }

  .header-download {
    display: none;
  }

  .hero-layout {
    padding-top: 62px;
    padding-bottom: 40px;
  }

  .hero h1 {
    font-size: clamp(43px, 13vw, 62px);
  }

  .hero-description {
    margin-top: 24px;
    font-size: 16px;
    line-height: 1.7;
  }

  .hero-store-row {
    display: none;
  }

  .hero-proof {
    margin-top: 30px;
    padding-top: 18px;
  }

  .hero-product {
    height: 620px;
  }

  .availability-board {
    top: 30px;
    right: 0;
    width: 85%;
  }

  .hero-phone {
    left: -18px;
    bottom: -30px;
    width: 300px;
  }

  .notify-card {
    right: -8px;
    bottom: 68px;
    width: min(310px, 86%);
  }

  .problem-section,
  .features-section,
  .trust-section {
    padding: 88px 0;
  }

  .section-heading {
    margin-bottom: 38px;
  }

  .section-heading h2,
  .trust-section h2,
  .download-section h2 {
    font-size: clamp(34px, 10.5vw, 48px);
  }

  .section-heading--center {
    text-align: left;
  }

  .section-heading--center .eyebrow {
    justify-content: flex-start;
  }

  .problem-card {
    min-height: 210px;
    padding: 25px;
  }

  .feature-card {
    min-height: auto;
    padding: 40px 24px 0;
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .feature-card:nth-child(even) .feature-copy,
  .feature-card:nth-child(even) .feature-visual {
    order: initial;
  }

  .feature-copy {
    padding-bottom: 0;
  }

  .feature-copy h3 {
    margin-top: 22px;
    font-size: clamp(34px, 10.5vw, 46px);
  }

  .feature-copy p {
    font-size: 15px;
  }

  .feature-visual {
    height: 500px;
  }

  .feature-visual img {
    width: min(330px, 88%);
  }

  .trust-grid {
    gap: 44px;
  }

  .trust-list article {
    grid-template-columns: 62px 1fr;
  }

  .download-section,
  .download-layout {
    min-height: 650px;
  }

  .download-copy {
    padding: 80px 0 130px;
  }

  .download-copy .store-row {
    display: none;
  }

  .download-phones {
    top: 250px;
  }

  .download-phone {
    width: 260px;
  }

  .download-phone--back {
    top: 120px;
    right: 45%;
  }

  .download-phone--front {
    top: 85px;
    right: -40px;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-links {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

  .site-footer {
    padding-bottom: 120px;
  }

  .mobile-store-bar {
    position: fixed;
    z-index: 50;
    right: 10px;
    bottom: 10px;
    left: 10px;
    padding: 8px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 17px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 7px;
    background: rgba(9, 19, 38, 0.94);
    box-shadow: 0 18px 50px rgba(8, 21, 48, 0.32);
    backdrop-filter: blur(16px);
  }

  .mobile-store-bar .store-button--compact {
    min-height: 48px;
    background: rgba(255, 255, 255, 0.07);
  }
}

@media (max-width: 410px) {
  .hero-product {
    height: 570px;
  }

  .availability-board {
    width: 92%;
    padding: 14px;
  }

  .board-row {
    min-height: 61px;
  }

  .hero-phone {
    width: 270px;
  }

  .notify-card {
    grid-template-columns: 32px 1fr;
  }

  .notify-card b {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}