/* ============================================
   00b5e2 Lab - Stylesheet
   Laboratory experiments for 00b5e2.com
   ============================================ */

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
  /* Colors */
  --bg: #0a0a0a;
  --bg-card: #111;
  --bg-hover: #1a1a1a;
  --text: #fff;
  --text-dim: #777;
  --accent: #00b5e2;
  --accent-dim: rgba(0, 181, 226, 0.1);

  /* Typography */
  --font: "Space Mono", "JetBrains Mono", monospace;

  /* Spacing */
  --container-padding: clamp(20px, 5vw, 40px);
  --section-padding: 100px;

  /* Transitions */
  --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
  --transition-fast: 0.25s var(--ease);
}

/* ============================================
   RESET & BASE
   ============================================ */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  font-family: var(--font);
  font-weight: 400;
  background: var(--bg);
  color: var(--text-dim);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.site {
  min-height: 100%;
  display: flex;
  flex-direction: column;
}

.site > main {
  flex: 1;
}

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

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

::selection {
  background: var(--accent);
  color: var(--bg);
}

.accent {
  color: var(--accent);
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px var(--container-padding);
}

.nav::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100px;
  background: linear-gradient(
    to bottom,
    var(--bg) 0%,
    var(--bg) 50%,
    transparent 100%
  );
  z-index: -1;
}

.nav__logo {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav__lang {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  padding: 10px 14px;
  background: var(--bg-card);
  border-radius: 8px;
  transition: background var(--transition-fast);
}

.nav__lang:hover {
  background: var(--bg-hover);
}

.nav__lang-option {
  color: var(--text-dim);
  transition: color 0.3s var(--ease);
}

.nav__lang-divider {
  color: rgba(255, 255, 255, 0.2);
}

[data-lang="es"] .nav__lang-option[data-lang-value="es"],
[data-lang="en"] .nav__lang-option[data-lang-value="en"] {
  color: var(--accent);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  min-height: 50vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px var(--container-padding) 60px;
}

.hero__greeting {
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 8px;
}

.hero__title {
  font-size: clamp(48px, 12vw, 100px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--accent);
  margin-bottom: 16px;
}

.hero__subtitle {
  font-size: 16px;
  color: var(--text-dim);
  max-width: 500px;
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
  padding: var(--section-padding) var(--container-padding);
}

.section__tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 20px;
  padding: 5px 12px;
  background: var(--accent-dim);
  border-radius: 4px;
}

/* ============================================
   EXPERIMENTS LIST
   ============================================ */
.experiments {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.experiment {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  background: var(--bg-card);
  border-radius: 10px;
  transition: background var(--transition-fast);
}

.experiment:hover {
  background: var(--bg-hover);
}

.experiment:hover .experiment__title {
  color: var(--accent);
}

.experiment__info {
  flex: 1;
}

.experiment__title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  transition: color var(--transition-fast);
}

.experiment__desc {
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 4px;
}

.experiment__status {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
  background: var(--accent-dim);
  color: var(--accent);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 40px var(--container-padding) 24px;
  font-size: 12px;
  margin-top: auto;
}

.footer__logo {
  font-size: 18px;
  font-weight: 700;
}

.footer__tagline {
  color: var(--text-dim);
  justify-self: center;
}

.footer__tagline a {
  color: var(--text);
  transition: color var(--transition-fast);
}

.footer__tagline a:hover {
  color: var(--accent);
}

.footer__year {
  color: var(--text-dim);
  text-align: right;
}