@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap");

:root {
  /* Brand palette */
  --accent: #1ec5ff;
  --bg-dark: #000000;
  --bg-header: #002b45;
  --text-light: #f5f5f5;
  --text-muted: #a0a0a0;
  --gutter: clamp(1rem, 3vw, 2rem);

  /* Typography */
  --font-main: "Inter", "Segoe UI", Arial, sans-serif;
  --fs-h1: clamp(2.2rem, 5vw, 3.2rem);
  --fs-h2: clamp(1.8rem, 4vw, 2.8rem);
  --fs-h3: clamp(1.4rem, 3vw, 2rem);
  --fs-body: 1rem;

  /* Motion */
  --timing-fast: 150ms ease;
}

/* ========== Reset & Base ========== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font: 400 var(--fs-body)/1.6 var(--font-main);
  background: var(--bg-dark);
  color: var(--text-light);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 0.5em;
  font-weight: 600;
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }

p { margin: 0 0 1em; max-width: 65ch; }

/* Disable all hyperlinks (for now) */
a {
  pointer-events: none;
  cursor: default;
  color: inherit;
  text-decoration: none;
}

/* Header */
header {
  background: var(--bg-header);
  padding: 2.5rem var(--gutter);
  text-align: center;
  animation: fadeIn 0.6s var(--timing-fast) both;
}

.tagline {
  color: var(--text-muted);
  font-size: 1.25rem;
  font-weight: 300;
  margin: 0 auto 1.25rem; /* center horizontally */
  max-width: 65ch;        /* keep readability width */
}

/* Hide nav until links are ready */
nav { display: none; }

/* Hero */
.hero {
  padding: clamp(4rem, 15vh, 8rem) var(--gutter) 4rem;
  text-align: center;
  background: radial-gradient(circle at 50% 0%, rgba(0, 43, 69, 0.6) 0%, rgba(0, 0, 0, 1) 70%);
  overflow: hidden;
  position: relative;
  animation: fadeIn 0.8s calc(var(--timing-fast) * 2) both;
}

.subtaglines { font-size: 1.2rem; font-weight: 400; }

/* Content Sections */
.section {
  max-width: 62rem;
  margin: 0 auto;
  padding: 4rem var(--gutter);
  animation: fadeInUp 0.8s calc(var(--timing-fast) * 3) both;
}

.section h3 { color: var(--accent); margin-bottom: 1rem; }

/* Contact text */
.cta {
  font-weight: 600;
  display: inline-block;
  margin-top: 1rem;
  color: var(--accent);
}

/* Footer */
footer {
  background: var(--bg-header);
  color: var(--text-muted);
  padding: 2rem var(--gutter);
  text-align: center;
  font-size: 0.875rem;
}

/* ========== Animations ========== */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========== Responsive Typography Tweaks ========== */
@media (min-width: 48rem) {
  .subtaglines { font-size: 1.35rem; }
}
/* Contact page container */
.contact-info {
  max-width: 600px;
  margin: 2rem auto;
  padding: 1rem;
  font-size: 1rem;
  line-height: 1.6;
}
.contact-info p {
  margin-bottom: 0.5rem;
}
.contact-info a {
  color: #0056b3;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-bottom-color 0.2s ease;
}
.contact-info a:hover {
  border-bottom-color: #0056b3;
}

/* Contact form */
.contact-form form {
  max-width: 600px;
  margin: 2rem auto;
  display: grid;
  gap: 1rem;
}
.contact-form label {
  font-weight: 600;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #ccc;
  border-radius: 0.5rem;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: #0056b3;
  box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.2);
  outline: none;
}
.contact-form button {
  align-self: start;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  background-color: #0056b3;
  color: #fff;
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  transition: background-color 0.2s ease;
}
.contact-form button:hover {
  background-color: #004494;
}