:root {
  --orange: #ff8c00;
  --bg: #0a0a0b;
  --card: #141417;
}

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

body {
  background: var(--bg);
  color: #fff;
  font-family: "Inter", sans-serif;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

.grid-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: -1;
}

.hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 28px 20px;
}

.badge {
  border: 1px solid #333;
  padding: 5px 15px;
  border-radius: 4px;
  font-family: "Orbitron", sans-serif;
  font-size: 0.7rem;
  color: #999;
  margin-bottom: 20px;
  display: inline-block;
  letter-spacing: 0.08em;
}

h1 {
  font-family: "Orbitron", sans-serif;
  font-size: clamp(1.8rem, 6vw, 3.5rem);
  line-height: 1.1;
}

.glow {
  color: var(--orange);
  text-shadow: 0 0 15px rgba(255, 140, 0, 0.4);
}

p {
  color: #9a9a9a;
  margin: 20px 0;
}

.hero-btns {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-main {
  background: var(--orange);
  color: #000;
  padding: 15px 30px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: 800;
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
}

.btn-sub {
  border: 1px solid #444;
  color: #fff;
  padding: 15px 30px;
  border-radius: 5px;
  text-decoration: none;
  font-size: 0.9rem;
}

.calc-area {
  max-width: 900px;
  margin: -40px auto 50px;
  padding: 0 20px;
}

.white-card {
  background: #fff;
  color: #000;
  padding: 35px;
  border-radius: 12px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  text-align: center;
}

.white-card h3 {
  font-family: "Orbitron", sans-serif;
  margin-bottom: 25px;
}

.label {
  color: #666;
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  align-items: center;
  gap: 20px;
}

.input-row {
  border-bottom: 2px solid #eee;
  padding: 10px;
  font-size: 1.8rem;
  font-weight: 800;
}

.input-row input {
  border: none;
  width: 110px;
  font-size: 1.8rem;
  font-weight: 800;
  text-align: center;
  outline: none;
}

.result-pill {
  background: var(--orange);
  color: #fff;
  padding: 15px 28px;
  border-radius: 50px;
  font-size: 1.4rem;
  font-weight: 800;
}

.tech-cards {
  max-width: 1100px;
  margin: 40px auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  padding: 0 20px;
}

.t-card {
  background: var(--card);
  padding: 36px;
  border-radius: 12px;
  border: 1px solid #222;
  text-align: left;
}

.icon-box {
  height: 100px;
  margin-bottom: 20px;
  color: var(--orange);
}

.icon-box svg {
  height: 100%;
  width: auto;
}

.t-card h2 {
  font-family: "Orbitron", sans-serif;
  font-size: 1.15rem;
  margin-bottom: 12px;
  color: #fff;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  justify-items: center;
  background: #000;
  padding: 40px 20px;
  border-top: 1px solid #222;
  border-bottom: 1px solid #222;
}

.s-item {
  text-align: center;
}

.s-item strong {
  display: block;
  font-family: "Orbitron", sans-serif;
  font-size: 2rem;
  color: var(--orange);
}

.s-item span {
  font-size: 0.7rem;
  color: #777;
  letter-spacing: 1px;
  font-weight: bold;
}

.form-section {
  max-width: 600px;
  margin: 60px auto;
  padding: 0 20px;
}

.dark-form-card {
  background: var(--card);
  padding: 30px;
  border-radius: 12px;
  border: 1px solid #222;
}

.dark-form-card h3 {
  font-family: "Orbitron", sans-serif;
  color: var(--orange);
  text-align: center;
  margin-bottom: 25px;
}

.main-form {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.main-form input,
.main-form textarea {
  background: #080808;
  border: 1px solid #333;
  padding: 15px;
  color: #fff;
  border-radius: 5px;
  outline: none;
  font-family: "Inter", sans-serif;
}

.main-form textarea {
  height: 100px;
  resize: vertical;
}

.contact-links {
  text-align: center;
  margin-top: 16px;
  font-size: 0.9rem;
}

.contact-links a {
  color: #ddd;
  text-decoration: none;
}

.contact-links a:hover {
  color: var(--orange);
}

@media (max-width: 900px) {
  .calc-grid {
    grid-template-columns: 1fr;
  }

  .result-pill {
    justify-self: center;
  }

  .tech-cards {
    grid-template-columns: 1fr;
  }

  .stats {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}