* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #080b12;
  --bg-light: #11151f;
  --border: rgba(255,255,255,0.08);
  --text: #eceae5;
  --text-dim: rgba(236,234,229,0.6);
  --accent: #b8f04a;
  --blue: #5b8fff;
  --teal: #3ecfb0;
  --purple: #a78bfa;
  --coral: #ff7a5c;
}

body {
  font-family: 'DM Sans', sans-serif;
  background-color: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

h1, h2, h3 {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
}

.wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topnav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--bg-light);
  border-bottom: 1px solid var(--border);
  padding: 14px 30px;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
}

.topnav .nav-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.topnav .nav-left img {
  height: 32px;
}

.topnav .nav-left a {
  color: var(--text);
  text-decoration: none;
  font-size: 20px;
  font-family: 'Syne', sans-serif;
  font-weight: 800;
}

#navbar-right {
  display: flex;
  align-items: center;
}

.topnav a.page-link {
  color: var(--text-dim);
  text-decoration: none;
  padding: 10px 16px;
  font-size: 15px;
  transition: color 0.3s;
}

.topnav a.page-link:hover {
  color: var(--accent);
}

.icon {
  display: none;
}

@media screen and (max-width: 850px) {
  .icon {
    display: block;
    color: var(--accent);
    font-size: 26px;
    cursor: pointer;
  }

  #navbar-right {
    display: none;
    flex-direction: column;
    background-color: var(--bg-light);
    position: absolute;
    top: 60px;
    right: 0;
    width: 100%;
    padding: 20px 0;
    text-align: center;
  }

  .topnav.responsive #navbar-right {
    display: flex;
  }

  .topnav a.page-link {
    padding: 12px;
  }
}

#content {
  flex: 1;
  margin-top: 80px;
}

.footer {
  background-color: var(--bg-light);
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  text-align: center;
  padding: 18px 0;
  margin-top: auto;
  width: 100%;
  font-size: 14px;
}

.hero {
  position: relative;
  height: 65vh;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(8,11,18,0.7);
}

.hero-text {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 30px 50px;
}

.hero-text .tag {
  font-family: 'JetBrains Mono', monospace;
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 14px;
  display: inline-block;
}

.hero-text h1 {
  font-size: 46px;
  color: var(--text);
  margin-bottom: 14px;
}

.hero-text p {
  font-size: 18px;
  color: var(--text-dim);
}

.greeting-box {
  position: fixed;
  top: 90px;
  right: 20px;
  background-color: var(--bg-light);
  border: 1px solid var(--accent);
  color: var(--text);
  padding: 14px 20px;
  border-radius: 8px;
  z-index: 999;
  display: none;
}

.flip-card {
  background-color: transparent;
  min-width: 220px;
  flex: 1;
  height: 220px;
  perspective: 1000px;
}

.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.6s;
  transform-style: preserve-3d;
}

.flip-card.flipped .flip-card-inner {
  transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: 14px;
  border: 1px solid var(--border);
  background-color: var(--bg-light);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.flip-card-front {
  align-items: center;
  text-align: center;
}

.flip-card-back {
  transform: rotateY(180deg);
}

.flip-card-front .marker {
  color: var(--accent);
  font-size: 28px;
  margin-bottom: 12px;
  display: block;
}

.flip-card-front h3 {
  color: var(--text);
  font-size: 18px;
}

.flip-card-back p {
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.5;
}

.fade-in-page {
  opacity: 0;
}

.section {
  max-width: 1000px;
  margin: 60px auto;
  padding: 0 20px;
}

.section h2 {
  color: var(--text);
  font-size: 28px;
  margin-bottom: 8px;
}

.section .eyebrow {
  font-family: 'JetBrains Mono', monospace;
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section > p {
  color: var(--text-dim);
  line-height: 1.6;
  margin-top: 16px;
}

.card-row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 24px;
}

.card {
  flex: 1;
  min-width: 220px;
  background-color: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
}

.card .marker {
  color: var(--accent);
  font-size: 20px;
  margin-bottom: 12px;
  display: block;
}

.card h3 {
  color: var(--text);
  font-size: 18px;
  margin-bottom: 10px;
}

.card p {
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.5;
}

.btn {
  display: inline-block;
  padding: 12px 26px;
  font-size: 15px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  color: var(--bg);
  background-color: var(--accent);
  border: none;
  border-radius: 8px;
  text-decoration: none;
  cursor: pointer;
  transition: opacity 0.3s ease;
}

.btn:hover {
  opacity: 0.85;
}

form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 480px;
}

form label {
  font-size: 14px;
  color: var(--text-dim);
  font-family: 'JetBrains Mono', monospace;
}

form input,
form textarea {
  padding: 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background-color: var(--bg-light);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
}

form input:focus,
form textarea:focus {
  outline: 1px solid var(--accent);
}

.chat-box {
  background-color: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  max-width: 600px;
  height: 300px;
  overflow-y: auto;
  margin-bottom: 16px;
}

.chat-msg {
  border-bottom: 1px solid var(--border);
  padding: 8px 0;
}

.chat-msg .author {
  color: var(--accent);
  font-weight: bold;
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
}

.chat-msg .time {
  color: var(--text-dim);
  font-size: 12px;
  margin-left: 8px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

table th,
table td {
  border: 1px solid var(--border);
  padding: 10px;
  text-align: left;
  font-size: 14px;
}

table th {
  background-color: var(--bg-light);
  color: var(--accent);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  text-transform: uppercase;
}

.search-bar {
  margin-bottom: 20px;
}

.search-bar input {
  padding: 10px;
  width: 250px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background-color: var(--bg-light);
  color: var(--text);
}

.korostus {
  background-color: var(--accent);
  color: var(--bg);
  padding: 1px 2px;
  border-radius: 2px;
}

@media screen and (max-width: 600px) {
  .hero-text h1 {
    font-size: 28px;
  }

  form {
    max-width: 100%;
  }
}