:root {
  --blue: #0a21a6;
  --white: #ffffff;
  --lime: #bed347;
  --ink: #07115f;
  --soft: #f7f8ff;
  --line: rgba(10, 33, 166, 0.18);

  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--white);
  color: var(--blue);
  font-family: var(--sans);
  line-height: 1.6;
}

body::before {
  content: "";

  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;

  border: 10px solid #0a21a6;

  pointer-events: none;
  z-index: 9999;
}

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

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

/* ---------- HEADER ---------- */

.header {
  position: sticky;
  top: 0;
  z-index: 50;

  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);

  backdrop-filter: blur(12px);
}

.nav {
  max-width: 1180px;
  margin: auto;

  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;

  padding: 18px 22px;
}

.logo {
  font-family: var(--serif);
  font-size: 28px;
  letter-spacing: 0.08em;
  text-transform: uppercase;

  color: var(--blue);
}

.logo {
  position: relative;
  display: inline-block;
}

.logo::after {
  content: "";

  position: absolute;
  left: 0;
  bottom: -6px;

  width: 0;
  height: 1px;

  background: var(--lime);

  transition: width 0.3s ease;
}

.logo:hover::after {
  width: 100%;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;

  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav-links a {
  padding: 8px 0;
  border-bottom: 1px solid transparent;
}

.nav-links a:hover,
.nav-links a.active {
  border-color: var(--lime);
}

.menu-toggle {
  display: none;

  padding: 10px 14px;

  background: var(--blue);
  color: var(--white);

  border: 0;
  border-radius: 999px;

  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ---------- HERO ---------- */

.hero {
  min-height: 82vh;

  display: grid;
  place-items: center;

  padding: 90px 22px;

  text-align: center;

  background:
    radial-gradient(circle at top, var(--lime) 0 14%, transparent 15%),
    linear-gradient(180deg, #ffffff 0%, #f4f6ff 100%);
}



.eyebrow {
  margin: 0 0 18px;

  font-size: 13px;
  letter-spacing: 0.28em;
  text-transform: uppercase;

  color: var(--ink);
}

h1,
h2,
h3 {
  margin: 0;

  color: var(--blue);

  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.05;
}

h1 {
  font-size: clamp(56px, 10vw, 132px);
  letter-spacing: 0.02em;
  text-transform: lowercase;
}

h2 {
  font-size: clamp(38px, 6vw, 76px);
}

h3 {
  font-size: clamp(26px, 4vw, 44px);
}

.hero p {
  max-width: 720px;
  margin: 24px auto 0;

  font-size: 20px;
}

.date {
  margin-top: 18px;

  font-family: var(--serif);
  font-size: 24px;
}

.place {
  margin-top: 8px;

  font-size: 13px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.countdown-section {
  width: 100%;
  padding: 120px 20px;

  background: #0a21a6;

  text-align: center;
}

.countdown-label {
  margin: 0 0 40px;

  color: #ffffff;

  font-family: Georgia, "Times New Roman", serif;
  font-size: 34px;
}

.countdown {
  display: flex;
  justify-content: center;
  align-items: center;
}

.time-box {
  min-width: 170px;
  text-align: center;
}

.time-box span {
  display: block;

  color: #ffffff;

  font-family: Georgia, "Times New Roman", serif;
  font-size: 90px;
  line-height: 1;
}

.time-box p {
  margin-top: 18px;

  color: #ffffff;

  font-size: 13px;
  letter-spacing: 0.22em;
}

.divider {
  width: 1px;
  height: 140px;

  background: rgba(255, 255, 255, 0.25);
}
@media (max-width: 800px) {
  .countdown {
    flex-direction: column;
    gap: 28px;
  }

  .divider {
    width: 120px;
    height: 1px;
  }
}

/* ---------- BUTTONS ---------- */

.btn {
  display: inline-block;

  margin-top: 28px;
  padding: 13px 22px;

  background: var(--blue);
  color: var(--white);

  border: 1px solid var(--blue);
  border-radius: 999px;

  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.btn.secondary {
  background: transparent;
  color: var(--blue);
}

.btn:hover {
  background: var(--lime);
  color: var(--blue);
  border-color: var(--lime);
}

/* ---------- LAYOUT ---------- */

.section {
  max-width: 1180px;
  margin: auto;

  padding: 84px 22px;
}

.section.narrow {
  max-width: 880px;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 44px;

  align-items: center;
}

.center {
  text-align: center;
}

.kicker {
  margin: 0 0 10px;

  color: var(--ink);

  font-family: var(--serif);
  font-size: 22px;
}

.lead {
  font-size: 20px;
  color: var(--ink);
}

/* ---------- ART FRAME ---------- */

.frame {
  padding: 14px;

  background: #ffffff;
  border: 1px solid var(--line);
}

.art {
  min-height: 440px;

  display: grid;
  place-items: center;

  padding: 40px;

  text-align: center;

  border: 1px solid var(--blue);

  background:
    linear-gradient(
      135deg,
      rgba(190, 211, 71, 0.9),
      rgba(255, 255, 255, 0.9)
    ),
    repeating-linear-gradient(
      45deg,
      rgba(10, 33, 166, 0.08) 0 1px,
      transparent 1px 18px
    );
}

.art span {
  font-family: var(--serif);
  font-size: 48px;
}

/* ---------- CARDS ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;

  margin-top: 34px;
}

.card {
  min-height: 220px;
  padding: 28px;

  background: var(--white);
  border: 1px solid var(--line);
}

.card .num {
  color: var(--lime);

  font-family: var(--serif);
  font-size: 44px;
}

.card h3 {
  margin: 8px 0 12px;
  font-size: 30px;
}

.meta {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;

  color: var(--ink);
}

/* ---------- TIMELINE ---------- */

.timeline {
  margin-top: 32px;
  padding-left: 30px;

  border-left: 1px solid var(--blue);
}

.item {
  position: relative;
  margin: 0 0 34px;
}

.item::before {
  content: "";

  position: absolute;
  left: -36px;
  top: 8px;

  width: 11px;
  height: 11px;

  background: var(--lime);

  border: 1px solid var(--blue);
  border-radius: 50%;
}

/* ---------- FAQ ---------- */

.faq {
  border-top: 1px solid var(--line);
}

.faq button {
  width: 100%;

  display: flex;
  justify-content: space-between;
  gap: 20px;

  padding: 22px 0;

  background: none;
  border: 0;

  color: var(--blue);

  cursor: pointer;

  font-family: var(--serif);
  font-size: 21px;
  text-align: left;
}

.faq .answer {
  display: none;

  padding: 0 0 22px;

  color: var(--ink);
}

.faq.open .answer {
  display: block;
}

/* ---------- FORM ---------- */

.form {
  display: grid;
  gap: 16px;

  margin-top: 28px;
}

.form input,
.form select,
.form textarea {
  width: 100%;
  padding: 14px 15px;

  background: #ffffff;
  color: var(--blue);

  border: 1px solid var(--line);

  font: inherit;
}

.form textarea {
  min-height: 130px;
  resize: vertical;
}

.grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.notice {
  display: none;

  margin-top: 18px;
  padding: 14px;

  background: rgba(190, 211, 71, 0.18);
  border: 1px solid var(--lime);
}

.notice.show {
  display: block;
}

/* ---------- FOOTER ---------- */

.footer {
  padding: 36px 22px;

  border-top: 1px solid var(--line);

  color: var(--ink);

  font-size: 13px;
  letter-spacing: 0.16em;
  text-align: center;
  text-transform: uppercase;
}

/* ---------- RESPONSIVE ---------- */

@media (max-width: 860px) {

  .menu-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;

    display: none;
    flex-direction: column;

    padding: 18px;

    background: #ffffff;
    border-bottom: 1px solid var(--line);
  }

  .nav-links.open {
    display: flex;
  }

  .split,
  .cards,
  .grid2 {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 60px 20px;
  }

  .art {
    min-height: 300px;
  }

  h1 {
    font-size: 58px;
  }

  

}