/* ==========================================================
   1. TOKENS
   ========================================================== */
:root {
  /* Color */
  --color-bg: #111112;
  --color-surface: #1a1a1c;
  --color-surface-hover: #212124;
  --color-border: #2c2c30;
  --color-text: #ffffff;
  --color-text-muted: #a3a3aa;
  --color-accent: #d2ff00;
  --color-on-accent: #111112;

  /* Type */
  --font-main: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --fs-body: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --fs-lede: clamp(1.125rem, 1rem + 0.6vw, 1.5rem);
  --fs-h2: clamp(2rem, 1.4rem + 3vw, 4rem);
  --fs-h3: 1.5rem;
  --fs-hero: clamp(2.75rem, 1.2rem + 8vw, 8rem);
  --fs-small: 0.875rem;

  /* Space */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: clamp(4rem, 3rem + 6vw, 8rem);

  /* Shape and layout */
  --radius-sm: 999px;
  --radius-md: 1rem;
  --radius-lg: 1.75rem;
  --container: 76rem;
  --nav-height: 7.25rem;

  /* Motion */
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --speed: 180ms;
}

/* ==========================================================
   2. RESET AND BASE
   ========================================================== */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-main);
  font-size: var(--fs-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, p, ul, dl, dd { margin: 0; }
ul { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

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

/* ==========================================================
   3. LAYOUT HELPERS
   ========================================================== */
.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

.section { padding-block: var(--space-6) 0; }

.section__head { margin-bottom: var(--space-4); max-width: 40rem; }

.section__title {
  font-size: var(--fs-h2);
  font-weight: 900;
  font-stretch: 112%;
  line-height: 1;
  letter-spacing: -0.02em;
}

.section__intro {
  margin-top: var(--space-2);
  color: var(--color-text-muted);
}

.skip-link {
  position: absolute;
  left: var(--space-2);
  top: -4rem;
  padding: var(--space-1) var(--space-2);
  background: var(--color-accent);
  color: var(--color-on-accent);
  font-weight: 700;
  border-radius: var(--radius-sm);
  z-index: 200;
}
.skip-link:focus { top: var(--space-1); }

/* ==========================================================
   4. NAVIGATION (fixed)
   ========================================================== */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: rgb(17 17 18 / 0.8);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  justify-content: space-between;
  height: var(--nav-height);
}

.nav__brand {
  font-weight: 900;
  font-stretch: 225%;
  font-size: 2.525rem;
  letter-spacing: -0.01em;
  position: relative;
  top:20px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 700;
  font-size: var(--fs-small);
}

.nav__name {
  position: relative;
  top: -15px; /* negative moves it up, positive moves it down */
}



.nav__links a { transition: color var(--speed) var(--ease); }
.nav__links a:hover { color: var(--color-accent); }

.nav__cta {
  padding: 0.55rem 1.1rem;
  background: var(--color-accent);
  color: var(--color-on-accent);
  border-radius: var(--radius-sm);
}
.nav__links a.nav__cta:hover { color: var(--color-on-accent); filter: brightness(1.08); }

/* ==========================================================
   5. HERO
   ========================================================== */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: calc(var(--nav-height) + var(--space-5));
  padding-bottom: var(--space-5);
}

.hero__title {
  max-width: 14ch;
  font-size: var(--fs-hero);
  font-weight: 900;
  font-stretch: 115%;
  line-height: 0.95;
  letter-spacing: -0.035em;
}

/* Rotating word: all words share one grid cell so the slot fits the widest */
.swap {
  display: inline-grid;
  vertical-align: bottom;
  overflow: hidden;
  padding: 0 0.12em 0.06em;
  margin-top: 0.08em;
  background: var(--color-accent);
  color: var(--color-on-accent);
  border-radius: 0.12em;
}

.swap > span {
  grid-area: 1 / 1;
  opacity: 0;
  animation: swap 9s var(--ease) infinite;
}
.swap > span:nth-child(2) { animation-delay: 3s; }
.swap > span:nth-child(3) { animation-delay: 6s; }

@keyframes swap {
  0%        { opacity: 0; transform: translateY(70%); }
  6%, 30%   { opacity: 1; transform: translateY(0); }
  36%, 100% { opacity: 0; transform: translateY(-70%); }
}

.hero__lede {
  max-width: 36rem;
  margin-top: var(--space-4);
  font-size: var(--fs-lede);
  color: var(--color-text-muted);
  line-height: 1.5;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

/* ==========================================================
   6. BUTTONS
   ========================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.95rem 1.75rem;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  font-weight: 700;
  transition: transform var(--speed) var(--ease),
              background var(--speed) var(--ease),
              border-color var(--speed) var(--ease);
}

.btn--primary { background: var(--color-accent); color: var(--color-on-accent); }
.btn--primary:hover { transform: translateY(-2px); }

.btn--ghost { border-color: var(--color-border); }
.btn--ghost:hover { border-color: var(--color-accent); color: var(--color-accent); }

/* ==========================================================
   7. CARDS
   ========================================================== */
.cards {
  display: grid;
  gap: var(--space-2);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 19rem), 1fr));
}

.card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--speed) var(--ease),
              background var(--speed) var(--ease);
}

.card:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-accent);
}

.card__title {
  font-size: var(--fs-h3);
  font-weight: 800;
  font-stretch: 108%;
  line-height: 1.15;
  letter-spacing: -0.015em;
}

.card__text { color: var(--color-text-muted); }

.card__link {
  margin-top: auto;
  padding-top: var(--space-1);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: var(--color-accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.3em;
}
.card__link:hover { color: var(--color-accent); }

.tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.tags li {
  padding: 0.2rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--fs-small);
  font-weight: 500;
}

/* Featured card: the single loud moment in the grid */
.card--feature {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-on-accent);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}
.card--feature:hover { background: var(--color-accent); filter: brightness(1.05); }
.card--feature .card__title { font-size: clamp(2rem, 1.4rem + 2.5vw, 3.25rem); font-weight: 900; line-height: 1; }
.card--feature .card__text { color: rgb(17 17 18 / 0.78); font-size: 1.125rem; max-width: 34rem; }
.card--feature .tags li { border-color: rgb(17 17 18 / 0.35); }
.card--feature .card__link { text-decoration-color: var(--color-on-accent); }
.card--feature .card__link:hover { color: var(--color-on-accent); }

@media (min-width: 52rem) {
  .card--feature { grid-column: span 2; grid-row: span 2; justify-content: flex-end; }
}

/* ==========================================================
   8. ABOUT
   ========================================================== */
.about {
  display: grid;
  gap: var(--space-4);
}

.about__text {
  display: grid;
  gap: var(--space-2);
  max-width: 38rem;
  font-size: var(--fs-lede);
  line-height: 1.5;
}
.about__text p + p { color: var(--color-text-muted); }

.facts {
  display: grid;
  gap: var(--space-2);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 13rem), 1fr));
}

.fact {
  padding: var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.fact dt { color: var(--color-text-muted); font-size: var(--fs-small); }
.fact dd { margin-top: 0.25rem; font-weight: 700; font-size: 1.125rem; }

@media (min-width: 60rem) {
  .about { grid-template-columns: 1.2fr 1fr; align-items: start; }
  .facts { grid-template-columns: 1fr 1fr; }
}

/* ==========================================================
   9. CONTACT AND FOOTER
   ========================================================== */
.contact {
  padding: var(--space-5) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.contact__title {
  max-width: 16ch;
  font-size: var(--fs-h2);
  font-weight: 900;
  font-stretch: 112%;
  line-height: 1;
  letter-spacing: -0.02em;
}

.contact__mail {
  display: inline-block;
  margin-top: var(--space-4);
  font-size: clamp(1.25rem, 0.8rem + 2.4vw, 2.5rem);
  font-weight: 800;
  color: var(--color-accent);
  overflow-wrap: anywhere;
  border-bottom: 3px solid var(--color-accent);
  transition: color var(--speed) var(--ease), border-color var(--speed) var(--ease);
}
.contact__mail:hover { color: var(--color-text); border-color: var(--color-text); }

.site-footer {
  margin-top: var(--space-6);
  padding-block: var(--space-4);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: var(--fs-small);
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: space-between;
}

.footer__links { display: flex; gap: var(--space-3); }
.footer__links a:hover { color: var(--color-accent); }

/* ==========================================================
   10. RESPONSIVE AND ACCESSIBILITY
   ========================================================== */
@media (max-width: 30rem) {
  .nav__links { gap: var(--space-2); }
  .contact { padding: var(--space-4) var(--space-3); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .swap > span { animation: none; }
  .swap > span:first-child { opacity: 1; }
  .btn, .card { transition: none; }
}