:root {
  --ink: #2f2924;
  --muted: #776b60;
  --line: #4a3a31;
  --paper: #fff7ea;
  --paper-2: #f3e5d1;
  --white: #fffdf8;
  --black: #3f332b;
  --lime: #f7cf6b;
  --teal: #4fb79f;
  --blue: #7fa6e8;
  --coral: #f68b68;
  --pink: #f4a7bd;
  --sage: #dbe9c6;
  --shadow: 8px 8px 0 #3f332b;
  --soft-shadow: 0 28px 70px rgba(63, 51, 43, 0.15);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(63, 51, 43, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(63, 51, 43, 0.035) 1px, transparent 1px),
    var(--paper);
  background-size: 34px 34px;
  font-family:
    Inter, Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  word-break: keep-all;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4.8vw, 64px);
  background: rgba(255, 247, 234, 0.92);
  border-bottom: 2px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 950;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: var(--black);
  background: var(--lime);
  border: 2px solid var(--black);
  border-radius: 8px;
  box-shadow: 4px 4px 0 var(--black);
  transform: rotate(-4deg);
}

nav {
  display: flex;
  gap: 8px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 850;
}

nav a,
.header-cta {
  padding: 9px 13px;
  border: 2px solid transparent;
  border-radius: 999px;
}

nav a:hover,
.header-cta:hover {
  background: var(--lime);
  border-color: var(--black);
}

.header-cta {
  color: var(--black);
  background: var(--lime);
  border: 2px solid var(--black);
  font-weight: 950;
  box-shadow: 5px 5px 0 var(--black);
  transform: rotate(1deg);
}

.floating-apply {
  position: fixed;
  right: clamp(14px, 3vw, 28px);
  bottom: clamp(14px, 3vw, 28px);
  z-index: 20;
  display: inline-flex;
  min-height: 58px;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  color: var(--black);
  background: var(--lime);
  border: 3px solid var(--black);
  border-radius: 999px;
  box-shadow: 7px 7px 0 var(--black);
  font-size: 18px;
  font-weight: 1000;
  transform: rotate(-2deg);
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease;
}

.floating-apply::before {
  content: "수요조사";
  margin-right: 8px;
  padding: 3px 7px;
  color: var(--white);
  background: var(--black);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 950;
}

.floating-apply:hover {
  box-shadow: 3px 3px 0 var(--black);
  transform: translate(4px, 4px) rotate(-2deg);
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  gap: clamp(34px, 6vw, 78px);
  align-items: center;
  min-height: calc(100vh - 70px);
  padding: clamp(58px, 8vw, 106px) clamp(18px, 4.8vw, 64px) 44px;
  overflow: hidden;
}

.hero::after {
  position: absolute;
  right: -8vw;
  bottom: 24px;
  z-index: -1;
  color: rgba(63, 51, 43, 0.06);
  content: "JOINTRUN";
  font-size: 176px;
  font-weight: 1000;
  line-height: 0.8;
  letter-spacing: 0;
  transform: rotate(-7deg);
  white-space: nowrap;
}

.eyebrow {
  display: inline-flex;
  margin: 0 0 16px;
  padding: 7px 10px;
  color: var(--black);
  background: var(--lime);
  border: 2px solid var(--black);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0;
  text-transform: uppercase;
  box-shadow: 3px 3px 0 var(--black);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 900px;
  margin-bottom: 24px;
  font-size: 84px;
  font-weight: 1000;
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: 54px;
  font-weight: 1000;
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 21px;
  font-weight: 950;
  line-height: 1.2;
}

.hero-lead,
.section p,
.apply-copy p {
  color: var(--muted);
  font-size: 18px;
}

.hero-lead {
  max-width: 760px;
  color: #323232;
  font-size: 21px;
  font-weight: 650;
}

.hero-actions,
.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.hero-actions {
  margin: 34px 0 26px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 2px solid var(--black);
  border-radius: 8px;
  color: var(--black);
  background: var(--white);
  font-weight: 950;
  box-shadow: 5px 5px 0 var(--black);
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    background 0.18s ease;
}

.button:hover {
  transform: translate(3px, 3px);
  box-shadow: 2px 2px 0 var(--black);
}

.button.primary {
  color: var(--black);
  background: var(--lime);
  border-color: var(--black);
}

.button.primary,
.hero-primary {
  position: relative;
}

.hero-primary {
  min-height: 62px;
  padding: 0 28px;
  background: var(--lime);
  font-size: 20px;
  box-shadow: 8px 8px 0 var(--black);
}

.hero-primary::after {
  position: absolute;
  right: -14px;
  top: -16px;
  padding: 5px 9px;
  color: var(--white);
  background: var(--coral);
  border: 2px solid var(--black);
  border-radius: 999px;
  content: "중요";
  font-size: 12px;
  font-weight: 1000;
  transform: rotate(9deg);
}

.button.secondary {
  background: var(--white);
}

.button.survey {
  background: var(--sage);
  border-color: var(--black);
}

.apply-copy .button.survey {
  margin-top: 12px;
}

.button.band {
  color: var(--black);
  background: #7adf95;
  border-color: var(--black);
  white-space: nowrap;
}

.trust-strip span {
  padding: 9px 13px;
  color: var(--black);
  background: var(--white);
  border: 2px solid var(--black);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 900;
}

.trust-strip span:nth-child(2) {
  background: #dce9ff;
}

.trust-strip span:nth-child(3) {
  background: #ffe0d6;
}

.trust-strip span:nth-child(4) {
  background: #ffd7ec;
}

.hero-visual {
  position: relative;
  min-height: 610px;
}

.hero-visual::before {
  position: absolute;
  top: 8px;
  left: 24px;
  width: 78%;
  height: 78%;
  border: 2px solid var(--black);
  background:
    repeating-linear-gradient(
      -45deg,
      rgba(63, 51, 43, 0.08) 0 2px,
      transparent 2px 14px
    ),
    var(--blue);
  content: "";
  transform: rotate(-7deg);
}

.phone {
  position: absolute;
  right: 0;
  top: 20px;
  width: min(75%, 372px);
  min-height: 570px;
  padding: 25px 21px;
  background: #3f332b;
  border: 3px solid var(--black);
  border-radius: 38px;
  box-shadow: var(--shadow);
  transform: rotate(3deg);
}

.phone::after {
  position: absolute;
  right: -28px;
  top: 90px;
  padding: 9px 12px;
  color: var(--black);
  background: var(--pink);
  border: 2px solid var(--black);
  border-radius: 999px;
  box-shadow: 4px 4px 0 var(--black);
  content: "ROUTINE DATA";
  font-size: 12px;
  font-weight: 950;
  transform: rotate(8deg);
}

.phone-top {
  width: 92px;
  height: 8px;
  margin: 0 auto 26px;
  background: #3b3b47;
  border-radius: 999px;
}

.app-card,
.app-row {
  background: #fffdf7;
  border: 2px solid var(--black);
  border-radius: 8px;
}

.app-card {
  padding: 18px;
  margin-bottom: 14px;
}

.app-card.pain {
  background: var(--lime);
}

.app-card.routine {
  background: #dce9ff;
}

.app-card span,
.app-row span {
  color: #4c4c4c;
  font-size: 14px;
  font-weight: 900;
}

.app-card strong {
  display: block;
  margin: 4px 0;
  color: var(--black);
  font-size: 62px;
  font-weight: 1000;
  line-height: 0.95;
}

.app-card small {
  display: inline-flex;
  padding: 5px 8px;
  color: var(--white);
  background: var(--black);
  border-radius: 999px;
  font-weight: 900;
}

.routine-bars {
  display: flex;
  height: 112px;
  gap: 10px;
  align-items: end;
  padding-top: 18px;
}

.routine-bars i {
  flex: 1;
  display: block;
  background: var(--coral);
  border: 2px solid var(--black);
  border-radius: 999px 999px 5px 5px;
}

.routine-bars i:nth-child(even) {
  background: var(--teal);
}

.app-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
  padding: 14px 16px;
}

.app-row b {
  color: var(--black);
}

.hand-card {
  position: absolute;
  left: 0;
  bottom: 18px;
  width: min(57%, 310px);
  padding: 20px;
  background: #ffe0d6;
  border: 2px solid var(--black);
  border-radius: 8px;
  box-shadow: var(--shadow);
  transform: rotate(-5deg);
}

.hand-card::before {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 5px 9px;
  color: var(--white);
  background: var(--black);
  border-radius: 999px;
  content: "SILICONE SPLINT";
  font-size: 11px;
  font-weight: 950;
}

.hand-card p {
  margin: 16px 0 0;
  color: #222;
  font-weight: 950;
}

.hand {
  position: relative;
  height: 224px;
}

.finger,
.palm,
.splint {
  position: absolute;
  display: block;
}

.finger {
  bottom: 74px;
  width: 38px;
  background: #f0b99d;
  border: 2px solid var(--black);
  border-radius: 22px 22px 16px 16px;
}

.f1 {
  left: 34px;
  height: 130px;
  transform: rotate(-8deg);
}

.f2 {
  left: 78px;
  height: 166px;
  transform: rotate(-2deg);
}

.f3 {
  left: 122px;
  height: 150px;
  transform: rotate(5deg);
}

.f4 {
  left: 166px;
  height: 118px;
  transform: rotate(11deg);
}

.f5 {
  left: 7px;
  bottom: 48px;
  height: 98px;
  transform: rotate(-34deg);
  transform-origin: bottom center;
}

.palm {
  left: 54px;
  bottom: 0;
  width: 142px;
  height: 108px;
  background: #f0b99d;
  border: 2px solid var(--black);
  border-radius: 42px 36px 54px 42px;
}

.splint {
  left: 109px;
  bottom: 102px;
  width: 58px;
  height: 84px;
  background: rgba(203, 255, 61, 0.82);
  border: 3px solid var(--black);
  border-radius: 20px;
  transform: rotate(5deg);
}

.question-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-block: 2px solid var(--black);
  background: var(--black);
}

.question-band p {
  min-height: 152px;
  margin: 0;
  padding: 28px clamp(20px, 4vw, 40px);
  background: var(--white);
  border-right: 2px solid var(--black);
  font-size: 20px;
  font-weight: 950;
  line-height: 1.35;
}

.question-band p:nth-child(2) {
  background: var(--lime);
}

.question-band p:nth-child(3) {
  background: #dce9ff;
  border-right: 0;
}

.section {
  padding: clamp(72px, 9vw, 118px) clamp(18px, 4.8vw, 64px);
}

.split {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: clamp(34px, 7vw, 92px);
  align-items: start;
  background: var(--paper-2);
  border-bottom: 2px solid var(--black);
}

.life-section {
  background: linear-gradient(180deg, #fff7ea 0%, #f7ead9 100%);
  border-bottom: 2px solid var(--black);
}

.life-section .section-heading {
  max-width: 920px;
}

.life-section .eyebrow {
  background: var(--sage);
}

.life-card {
  position: relative;
  display: flex;
  min-height: 280px;
  align-items: center;
  overflow: hidden;
  padding: clamp(24px, 5vw, 44px);
  background:
    radial-gradient(circle at 88% 14%, rgba(255, 255, 255, 0.82) 0 56px, transparent 57px),
    linear-gradient(135deg, #fff2d8 0%, #f8ddbf 52%, #dcebc6 100%);
  border: 2px solid var(--black);
  border-radius: 8px;
  box-shadow: var(--soft-shadow);
}

.life-card::before {
  position: absolute;
  right: clamp(18px, 4vw, 38px);
  top: clamp(18px, 4vw, 34px);
  color: rgba(63, 51, 43, 0.18);
  content: "JOINTRUN";
  font-size: clamp(20px, 4vw, 44px);
  font-weight: 1000;
}

.life-card > .life-copy {
  position: relative;
  z-index: 1;
  color: var(--black);
  max-width: 860px;
}

.life-card span {
  display: inline-flex;
  margin-bottom: 8px;
  padding: 5px 9px;
  color: var(--black);
  background: var(--lime);
  border: 2px solid var(--black);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 950;
}

.life-card h3 {
  max-width: 760px;
  margin: 0 0 10px;
  font-size: 30px;
  color: var(--black);
  text-shadow: none;
}

.life-card p {
  margin: 0;
  color: #5d5148;
  font-size: 18px;
  font-weight: 650;
}

.life-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.life-tags b {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  padding: 0 13px;
  background: rgba(255, 253, 248, 0.74);
  border: 2px solid var(--black);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 950;
}

.insight-list {
  display: grid;
  gap: 16px;
}

.insight-list article,
.feature-grid article {
  padding: 24px;
  background: var(--white);
  border: 2px solid var(--black);
  border-radius: 8px;
  box-shadow: 6px 6px 0 var(--black);
}

.insight-list article:nth-child(2) {
  background: #dce9ff;
  transform: translateX(18px);
}

.insight-list article:nth-child(3) {
  background: #ffe0d6;
}

.insight-list span,
.icon {
  display: inline-flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--black);
  background: var(--lime);
  border: 2px solid var(--black);
  border-radius: 8px;
  font-weight: 1000;
}

.app-section {
  background: #3f332b;
  color: var(--white);
}

.app-section .eyebrow {
  background: var(--coral);
}

.app-section p {
  color: #c8c8c8;
}

.section-heading {
  max-width: 880px;
  margin-bottom: 36px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.feature-grid article {
  color: var(--black);
}

.feature-grid article:nth-child(1) {
  background: var(--lime);
}

.feature-grid article:nth-child(2) {
  background: #dce9ff;
}

.feature-grid article:nth-child(3) {
  background: #ffe0d6;
}

.feature-grid article:nth-child(4) {
  background: #f8d8e1;
}

.feature-grid article p {
  color: #3d3d3d;
}

.community {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  color: var(--black);
  background: var(--teal);
  border-block: 2px solid var(--black);
}

.community .eyebrow {
  background: var(--white);
}

.community p {
  color: #102a25;
  font-weight: 650;
}

.community div {
  max-width: 760px;
}

.apply {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: clamp(32px, 6vw, 84px);
  align-items: start;
  background: var(--paper);
}

.apply-form {
  display: grid;
  gap: 16px;
  padding: clamp(22px, 4vw, 34px);
  background: var(--white);
  border: 2px solid var(--black);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

label {
  display: grid;
  gap: 8px;
  font-weight: 950;
}

input,
textarea {
  width: 100%;
  padding: 14px 15px;
  color: var(--ink);
  background: #f6f3ea;
  border: 2px solid var(--black);
  border-radius: 8px;
  font: inherit;
  resize: vertical;
}

input:focus,
textarea:focus {
  outline: 4px solid var(--lime);
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 30px clamp(18px, 4.8vw, 64px);
  color: var(--white);
  background: var(--black);
}

footer p {
  margin: 4px 0 0;
  color: #bebebe;
}

@media (max-width: 980px) {
  nav {
    display: none;
  }

  .hero,
  .split,
  .apply {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero::after {
    font-size: 112px;
  }

  h1 {
    font-size: 62px;
  }

  h2 {
    font-size: 44px;
  }

  .hero-visual {
    min-height: 620px;
  }

  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .life-card h3 {
    font-size: 26px;
  }

  .question-band {
    grid-template-columns: 1fr;
  }

  .question-band p {
    min-height: auto;
    border-right: 0;
    border-bottom: 2px solid var(--black);
  }

  .question-band p:nth-child(3) {
    border-bottom: 0;
  }

  .insight-list article:nth-child(2) {
    transform: none;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 13px 16px;
  }

  .header-cta {
    display: none;
  }

  .floating-apply {
    right: 12px;
    bottom: 12px;
    min-height: 52px;
    padding: 0 18px;
    font-size: 16px;
  }

  .floating-apply::before {
    display: none;
  }

  h1 {
    font-size: 42px;
  }

  h2 {
    font-size: 34px;
  }

  .hero {
    padding: 42px 16px 28px;
  }

  .section {
    padding: 58px 16px;
  }

  .hero-actions .button {
    width: 100%;
  }

  .hero-primary::after {
    right: 10px;
  }

  .hero-visual {
    min-height: 540px;
  }

  .hero-visual::before {
    left: 12px;
    width: 88%;
  }

  .phone {
    right: 50%;
    width: min(92%, 326px);
    min-height: 505px;
    transform: translateX(50%) rotate(2deg);
  }

  .phone::after {
    right: -10px;
    top: 78px;
  }

  .hand-card {
    left: 0;
    bottom: 0;
    width: min(76%, 252px);
  }

  .hand {
    height: 184px;
    transform: scale(0.8);
    transform-origin: left bottom;
  }

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

  .life-card {
    min-height: 0;
  }

  .life-card h3 {
    font-size: 23px;
  }

  .life-card p {
    font-size: 16px;
  }

  .life-tags b {
    min-height: 34px;
    font-size: 13px;
  }

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