:root {
  color-scheme: light;
  --ink: #101010;
  --muted: #594821;
  --mustard: #edbd2f;
  --mustard-deep: #d79b12;
  --mustard-soft: #ffe49a;
  --paper: #fff6d8;
  --white: #ffffff;
  --red: #e51f31;
  --red-dark: #a80f1e;
  --blue: #145de0;
  --blue-dark: #082c7a;
  --shadow: 0 26px 80px rgba(44, 29, 0, 0.22);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  font-family: Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  background:
    linear-gradient(90deg, rgba(16, 16, 16, 0.055) 1px, transparent 1px),
    linear-gradient(180deg, rgba(16, 16, 16, 0.055) 1px, transparent 1px),
    radial-gradient(circle at 18% 24%, rgba(255, 246, 216, 0.55), transparent 32%),
    radial-gradient(circle at 86% 18%, rgba(20, 93, 224, 0.18), transparent 29%),
    var(--mustard);
  background-size: 44px 44px, 44px 44px, 100% 100%, 100% 100%, auto;
}

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

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

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

.site-header {
  position: sticky;
  z-index: 30;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 72px;
  padding: 10px clamp(16px, 5vw, 72px);
  border-bottom: 3px solid var(--ink);
  background: rgba(237, 189, 47, 0.88);
  backdrop-filter: blur(16px);
}

.brand,
.nav {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  flex: 1 1 auto;
  min-width: 0;
  font-size: clamp(1.04rem, 2.1vw, 1.34rem);
  font-weight: 950;
  white-space: nowrap;
}

.brand-office,
.brand-name {
  flex: 0 1 auto;
}

.brand-office {
  min-width: 0;
}

.brand-number {
  display: grid;
  flex: 0 0 auto;
  width: 58px;
  height: 48px;
  place-items: center;
  border: 4px solid var(--ink);
  border-radius: 50%;
  color: var(--white);
  font-size: 0.96em;
  background: var(--red);
  box-shadow: 4px 4px 0 var(--blue);
}

.nav {
  flex: 0 0 auto;
  gap: 8px;
}

.nav a,
.hero-actions a {
  border: 3px solid var(--ink);
  border-radius: 999px;
  background: var(--white);
  box-shadow: 4px 4px 0 var(--ink);
  font-weight: 900;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.nav a {
  padding: 9px 14px;
  font-size: 0.92rem;
}

.nav a:hover,
.hero-actions a:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--ink);
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.98fr) minmax(320px, 0.82fr);
  align-items: center;
  gap: clamp(28px, 4vw, 58px);
  min-height: calc(100svh - 72px);
  max-width: 1380px;
  margin: 0 auto;
  padding: clamp(42px, 6vw, 78px) clamp(16px, 5vw, 72px) clamp(34px, 5vw, 64px);
  overflow: hidden;
}

.hero::before,
.hero::after {
  position: absolute;
  pointer-events: none;
  content: "";
}

.hero::before {
  inset: 14% auto auto -9vw;
  width: clamp(280px, 40vw, 610px);
  aspect-ratio: 1;
  border: 24px solid rgba(16, 16, 16, 0.1);
  border-radius: 50%;
  animation: slow-spin 20s linear infinite;
}

.hero::after {
  right: -12vw;
  bottom: 8vh;
  width: min(760px, 58vw);
  height: 28vh;
  min-height: 160px;
  transform: rotate(-8deg);
  border-top: 18px solid rgba(16, 16, 16, 0.12);
  border-bottom: 18px solid rgba(16, 16, 16, 0.12);
}

.motion-lines {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.motion-lines span {
  position: absolute;
  left: -22vw;
  width: clamp(160px, 24vw, 340px);
  height: 8px;
  border-radius: 999px;
  opacity: 0.55;
  animation: fly-line 5.8s linear infinite;
  background: repeating-linear-gradient(90deg, var(--ink) 0 32px, transparent 32px 52px);
}

.motion-lines span:nth-child(1) {
  top: 25%;
}

.motion-lines span:nth-child(2) {
  top: 51%;
  animation-delay: 1.8s;
  background: repeating-linear-gradient(90deg, var(--red) 0 32px, transparent 32px 52px);
}

.motion-lines span:nth-child(3) {
  top: 76%;
  animation-delay: 3.2s;
  background: repeating-linear-gradient(90deg, var(--blue) 0 32px, transparent 32px 52px);
}

.hero-copy,
.hero-visual {
  position: relative;
  z-index: 2;
  min-width: 0;
}

.school-label,
.eyebrow {
  margin: 0 0 14px;
  color: var(--red-dark);
  font-size: clamp(0.88rem, 1.6vw, 1.05rem);
  font-weight: 950;
}

h1 {
  max-width: 820px;
  margin: 0;
  line-height: 0.95;
  letter-spacing: 0;
  overflow-wrap: normal;
  word-break: keep-all;
}

h1 .title-kicker,
h1 strong,
h1 strong span {
  display: block;
  font-weight: 1000;
}

h1 .title-kicker {
  margin-bottom: clamp(8px, 1.4vw, 18px);
  font-size: clamp(3rem, 5.8vw, 5.8rem);
}

h1 strong {
  display: grid;
  gap: clamp(8px, 1.1vw, 14px);
  font-size: clamp(3.6rem, 7vw, 7rem);
  line-height: 0.88;
}

h1 strong span {
  white-space: nowrap;
}

h1 strong span:first-child {
  width: fit-content;
  max-width: 100%;
  padding: 0.06em 0.14em 0.12em;
  border: 6px solid var(--ink);
  color: var(--white);
  background: var(--red);
  box-shadow: 10px 10px 0 var(--blue);
  transform: rotate(-1.5deg);
  animation: pop-in 640ms cubic-bezier(.2, .85, .25, 1.25) both;
}

h1 strong span:last-child {
  text-shadow: 6px 6px 0 var(--white), 11px 11px 0 var(--blue);
}

.hero-lead {
  max-width: 620px;
  margin: clamp(22px, 3.8vw, 34px) 0 0;
  font-size: clamp(1.1rem, 2.2vw, 1.55rem);
  line-height: 1.56;
  font-weight: 900;
}

.hero-slogan {
  width: fit-content;
  margin: 22px 0 0;
  padding: 10px 16px 12px;
  border: 4px solid var(--ink);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 7px 7px 0 var(--red);
  font-size: clamp(1.18rem, 2.6vw, 1.8rem);
  font-weight: 950;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  width: 100%;
  max-width: 520px;
  margin-top: 28px;
}

.hero-actions a {
  display: grid;
  min-width: 0;
  min-height: 50px;
  place-items: center;
  padding: 13px 18px;
  background: var(--mustard-soft);
}

.hero-actions .primary-action {
  color: var(--white);
  background: var(--ink);
}

.hero-visual {
  display: grid;
  justify-items: center;
  gap: 20px;
}

.portrait-shell {
  position: relative;
  width: min(455px, 86vw);
  aspect-ratio: 4 / 3;
  padding: clamp(8px, 1vw, 13px);
  border: 7px solid var(--ink);
  border-radius: 24px;
  background: var(--white);
  box-shadow: 16px 16px 0 var(--red), var(--shadow);
  transform: rotate(1.4deg);
  animation: float-card 4.8s ease-in-out infinite;
}

.portrait-shell::before,
.portrait-shell::after {
  position: absolute;
  z-index: -1;
  content: "";
}

.portrait-shell::before {
  top: -24px;
  right: -22px;
  width: 90px;
  height: 90px;
  border: 14px solid var(--blue);
  border-radius: 50%;
}

.portrait-shell::after {
  left: -28px;
  bottom: 30px;
  width: 76px;
  height: 76px;
  background: var(--red);
  clip-path: polygon(50% 0, 64% 35%, 100% 50%, 64% 65%, 50% 100%, 36% 65%, 0 50%, 36% 35%);
}

.portrait-shell img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 52% 45%;
  border: 3px solid var(--ink);
  border-radius: 14px;
}

.candidate-chip {
  width: min(405px, 88vw);
  padding: 18px 20px;
  border: 5px solid var(--ink);
  border-radius: 8px;
  color: var(--white);
  background: linear-gradient(135deg, var(--blue-dark), var(--blue));
  box-shadow: 8px 8px 0 var(--ink);
}

.candidate-chip span {
  display: block;
  margin-bottom: 6px;
  color: var(--mustard-soft);
  font-size: 0.9rem;
  font-weight: 900;
}

.candidate-chip strong {
  display: block;
  font-size: clamp(1.12rem, 2.6vw, 1.54rem);
  line-height: 1.25;
}

.ticker {
  overflow: hidden;
  border-block: 5px solid var(--ink);
  color: var(--white);
  background: var(--ink);
}

.ticker div {
  display: flex;
  width: max-content;
  animation: ticker 20s linear infinite;
}

.ticker span {
  padding: 15px clamp(24px, 5vw, 56px);
  font-size: clamp(1.08rem, 2.8vw, 1.9rem);
  font-weight: 1000;
  white-space: nowrap;
}

.ticker span:nth-child(even) {
  color: var(--mustard-soft);
}

.statement {
  display: grid;
  gap: 10px;
  padding: clamp(40px, 7vw, 76px) clamp(18px, 6vw, 92px);
  color: var(--white);
  background: var(--ink);
}

.statement p,
.statement strong {
  margin: 0;
}

.statement p {
  color: rgba(255, 255, 255, 0.66);
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-weight: 900;
}

.statement strong {
  font-size: clamp(2.25rem, 7vw, 6.2rem);
  line-height: 1;
}

.section {
  padding: clamp(62px, 9vw, 118px) clamp(18px, 6vw, 92px);
}

.section-heading {
  max-width: 900px;
  margin-bottom: clamp(30px, 4vw, 48px);
}

.section-heading h2,
.trust h2,
.letter-panel h2,
.final-call h2 {
  margin: 0;
  font-size: clamp(2.15rem, 5.8vw, 4.8rem);
  line-height: 1.04;
  letter-spacing: 0;
}

.promise-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(18px, 3vw, 30px);
}

.promise-card {
  min-height: 390px;
  padding: clamp(24px, 4vw, 44px);
  border: 6px solid var(--ink);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: 10px 10px 0 var(--ink);
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.promise-card:hover {
  transform: translateY(-7px);
  box-shadow: 10px 17px 0 var(--ink);
}

.promise-card.accent-blue {
  color: var(--white);
  background: linear-gradient(135deg, var(--blue-dark), var(--blue));
}

.promise-index {
  display: inline-grid;
  width: 72px;
  height: 72px;
  place-items: center;
  border: 5px solid currentColor;
  border-radius: 50%;
  color: var(--red);
  font-size: 1.35rem;
  font-weight: 1000;
}

.accent-blue .promise-index {
  color: var(--mustard-soft);
}

.promise-card h3 {
  margin: 30px 0 16px;
  font-size: clamp(2rem, 4.8vw, 4rem);
  line-height: 1;
}

.promise-card p {
  max-width: 620px;
  margin: 0;
  color: rgba(16, 16, 16, 0.74);
  font-size: clamp(1.03rem, 2vw, 1.2rem);
  line-height: 1.66;
  font-weight: 760;
}

.accent-blue p {
  color: rgba(255, 255, 255, 0.8);
}

.promise-card strong {
  display: block;
  margin-top: 30px;
  color: var(--red);
  font-size: clamp(1.1rem, 2.2vw, 1.46rem);
  line-height: 1.35;
  font-weight: 1000;
}

.accent-blue strong {
  color: var(--mustard-soft);
}

.trust {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  gap: clamp(26px, 5vw, 76px);
  align-items: start;
  padding: clamp(64px, 9vw, 118px) clamp(18px, 6vw, 92px);
  border-block: 5px solid var(--ink);
  background: var(--paper);
}

.trust-list {
  display: grid;
  gap: 14px;
}

.trust-list p {
  margin: 0;
  padding: 18px 20px;
  border: 4px solid var(--ink);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 6px 6px 0 var(--ink);
  color: rgba(16, 16, 16, 0.74);
  font-size: clamp(1rem, 2vw, 1.13rem);
  line-height: 1.55;
  font-weight: 760;
}

.trust-list span {
  display: inline-block;
  min-width: 52px;
  color: var(--blue);
  font-weight: 1000;
}

.letter {
  background:
    linear-gradient(90deg, rgba(16, 16, 16, 0.045) 1px, transparent 1px),
    linear-gradient(180deg, rgba(16, 16, 16, 0.045) 1px, transparent 1px),
    var(--paper);
  background-size: 38px 38px;
}

.letter-panel {
  max-width: 1020px;
  margin: 0 auto;
  padding: clamp(28px, 5vw, 58px);
  border: 6px solid var(--ink);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 12px 12px 0 var(--red);
}

.letter-body {
  margin-top: clamp(24px, 4vw, 40px);
  columns: 2 320px;
  column-gap: 40px;
}

.letter-body p {
  break-inside: avoid;
  margin: 0 0 18px;
  color: rgba(16, 16, 16, 0.76);
  font-size: clamp(1rem, 1.9vw, 1.1rem);
  line-height: 1.82;
  font-weight: 680;
}

.final-call {
  display: grid;
  justify-items: center;
  gap: 12px;
  padding: clamp(64px, 10vw, 130px) clamp(18px, 6vw, 92px);
  text-align: center;
  color: var(--white);
  background: var(--red);
}

.final-call p,
.final-call h2 {
  margin: 0;
}

.final-call p {
  color: var(--mustard-soft);
  font-size: clamp(1rem, 2vw, 1.28rem);
  font-weight: 900;
}

@keyframes fly-line {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(136vw);
  }
}

@keyframes slow-spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes float-card {
  0%,
  100% {
    transform: translateY(0) rotate(1.4deg);
  }

  50% {
    transform: translateY(-12px) rotate(0deg);
  }
}

@keyframes pop-in {
  from {
    transform: translateY(12px) scale(0.94) rotate(-1.5deg);
  }

  to {
    transform: translateY(0) scale(1) rotate(-1.5deg);
  }
}

@keyframes ticker {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(-50%);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 980px) {
  .hero,
  .promise-grid,
  .trust {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-visual {
    justify-items: start;
  }

  .portrait-shell {
    width: min(450px, 86vw);
  }
}

@media (max-width: 620px) {
  .site-header {
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    min-height: 64px;
    padding: 10px 14px 12px;
  }

  .brand {
    flex: 1 0 100%;
    justify-content: center;
    gap: 7px;
    font-size: clamp(0.98rem, 4.5vw, 1.18rem);
  }

  .brand-number {
    width: 46px;
    height: 36px;
    border-width: 3px;
    box-shadow: 3px 3px 0 var(--blue);
  }

  .nav {
    justify-content: center;
    gap: 6px;
  }

  .nav a {
    min-width: 92px;
    padding: 8px 14px;
    text-align: center;
    font-size: 0.9rem;
  }

  .hero {
    padding-top: 38px;
    padding-inline: 14px;
  }

  .hero-copy {
    width: calc(100vw - 28px);
    max-width: calc(100vw - 28px);
  }

  h1 .title-kicker {
    font-size: clamp(2.7rem, 13vw, 4rem);
  }

  h1 strong {
    font-size: clamp(3rem, 15vw, 4.75rem);
  }

  h1 strong span:first-child {
    border-width: 5px;
    box-shadow: 7px 7px 0 var(--blue);
  }

  h1 strong span:last-child {
    text-shadow: 4px 4px 0 var(--white), 8px 8px 0 var(--blue);
  }

  .hero-lead {
    font-size: 1.08rem;
  }

  .hero-actions a {
    flex: 1 1 0;
    padding-inline: 10px;
    text-align: center;
  }

  .hero-actions {
    flex-wrap: nowrap;
    width: 100%;
    max-width: 360px;
  }

  .portrait-shell {
    border-width: 5px;
    border-radius: 18px;
    box-shadow: 9px 9px 0 var(--red), var(--shadow);
  }

  .section,
  .trust {
    padding-inline: 16px;
  }

  .promise-card {
    min-height: auto;
  }
}