/* Violet Night — Andresvio | prefix: av- */
:root {
  --av-bg: #0d0b18;
  --av-panel: #1a162b;
  --av-accent: #9d4edd;
  --av-text: #ffffff;
  --av-muted: rgba(255, 255, 255, 0.78);
  --av-line: rgba(157, 78, 221, 0.28);
  --av-glass: rgba(26, 22, 43, 0.72);
  --av-glow: rgba(157, 78, 221, 0.35);
  --av-font-display: "Sora", system-ui, sans-serif;
  --av-font-body: "Outfit", system-ui, sans-serif;
  --av-max: 1140px;
  --av-header: 76px;
  --av-radius: 14px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--av-font-body);
  font-size: 1.05rem;
  line-height: 1.72;
  color: var(--av-text);
  background:
    radial-gradient(ellipse 70% 45% at 10% -5%, rgba(157, 78, 221, 0.18), transparent 55%),
    radial-gradient(ellipse 50% 35% at 95% 15%, rgba(157, 78, 221, 0.08), transparent 50%),
    linear-gradient(180deg, #12101f 0%, var(--av-bg) 40%, #080612 100%);
  min-height: 100vh;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--av-accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h1,
h2,
h3 {
  font-family: var(--av-font-display);
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 0.85rem;
}

h1 {
  font-size: clamp(1.9rem, 4.2vw, 2.85rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.45rem, 2.8vw, 2rem);
  color: var(--av-accent);
}

h3 {
  font-size: 1.12rem;
  color: var(--av-text);
}

p {
  margin: 0 0 1rem;
  color: var(--av-muted);
}

.av-wrap {
  width: min(100% - 2rem, var(--av-max));
  margin-inline: auto;
}

.av-skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 999;
  padding: 0.75rem 1rem;
  background: var(--av-accent);
  color: var(--av-bg);
  font-weight: 600;
}

.av-skip:focus {
  left: 1rem;
  top: 1rem;
}

/* Header */
.av-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--av-header);
  display: flex;
  align-items: center;
  background: rgba(13, 11, 24, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.av-header.is-scrolled {
  border-color: var(--av-line);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

.av-header__inner {
  width: min(100% - 2rem, var(--av-max));
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.av-logo img {
  height: 38px;
  width: auto;
}

.av-nav {
  display: flex;
  align-items: center;
  gap: 0.35rem 1.1rem;
  margin-left: auto;
  flex-wrap: wrap;
}

.av-nav a {
  color: var(--av-muted);
  font-size: 0.92rem;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s;
}

.av-nav a:hover {
  color: var(--av-text);
  text-decoration: none;
}

.av-cta-head {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 1.15rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--av-accent), #7b2cbf);
  color: var(--av-text);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 4px 20px var(--av-glow);
}

.av-cta-head:hover {
  text-decoration: none;
  filter: brightness(1.08);
}

.av-burger {
  display: none;
  margin-left: auto;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--av-line);
  border-radius: 10px;
  background: var(--av-glass);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.av-burger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--av-text);
  transition: transform 0.25s, opacity 0.25s;
}

.av-burger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.av-burger.is-open span:nth-child(2) {
  opacity: 0;
}

.av-burger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hero */
.av-hero {
  position: relative;
  padding: clamp(3rem, 8vw, 5.5rem) 0 clamp(2.5rem, 6vw, 4rem);
  overflow: hidden;
}

.av-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 70% 30%, rgba(157, 78, 221, 0.15), transparent 45%),
    radial-gradient(circle at 20% 80%, rgba(157, 78, 221, 0.06), transparent 40%);
  pointer-events: none;
}

.av-hero__grid {
  position: relative;
  display: grid;
  gap: 1.5rem;
  max-width: 820px;
}

.av-hero__tag {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--av-line);
  background: var(--av-glass);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--av-accent);
  margin-bottom: 0.5rem;
}

.av-hero h1 {
  text-shadow: 0 0 40px rgba(157, 78, 221, 0.2);
}

.av-hero__lede {
  font-size: 1.15rem;
  color: var(--av-muted);
  max-width: 68ch;
}

.av-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

/* Sections */
.av-section {
  padding: clamp(2.5rem, 5vw, 4rem) 0;
}

.av-section--alt {
  background: rgba(26, 22, 43, 0.35);
  border-block: 1px solid rgba(157, 78, 221, 0.08);
}

.av-glass {
  background: var(--av-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--av-line);
  border-radius: var(--av-radius);
  padding: clamp(1.25rem, 3vw, 2rem);
}

.av-split {
  display: grid;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 860px) {
  .av-split--reverse {
    grid-template-columns: 1fr 1fr;
  }

  .av-split--reverse .av-split__media {
    order: 2;
  }
}

.av-media {
  border-radius: var(--av-radius);
  overflow: hidden;
  border: 1px solid var(--av-line);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}

.av-media figcaption {
  padding: 0.85rem 1rem;
  font-size: 0.88rem;
  color: var(--av-muted);
  background: var(--av-panel);
  border-top: 1px solid var(--av-line);
}

/* Bonus table */
.av-bonus-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .av-bonus-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.av-table-wrap {
  overflow-x: auto;
  border-radius: var(--av-radius);
  border: 1px solid var(--av-line);
}

.av-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.av-table th,
.av-table td {
  padding: 0.85rem 1rem;
  text-align: left;
  border-bottom: 1px solid rgba(157, 78, 221, 0.12);
}

.av-table th {
  background: rgba(157, 78, 221, 0.12);
  color: var(--av-text);
  font-family: var(--av-font-display);
  font-weight: 600;
}

.av-table tr:last-child td {
  border-bottom: none;
}

.av-table td {
  color: var(--av-muted);
  background: rgba(13, 11, 24, 0.5);
}

.av-list {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--av-muted);
}

.av-list li {
  margin-bottom: 0.65rem;
}

.av-list li::marker {
  color: var(--av-accent);
}

/* Chips */
.av-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.25rem 0;
}

.av-chip {
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  background: rgba(157, 78, 221, 0.12);
  border: 1px solid var(--av-line);
  font-size: 0.85rem;
  color: var(--av-muted);
}

/* FAQ */
.av-faq {
  display: grid;
  gap: 0.65rem;
}

.av-faq__item {
  border: 1px solid var(--av-line);
  border-radius: var(--av-radius);
  background: var(--av-glass);
  overflow: hidden;
}

.av-faq__q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.15rem;
  border: none;
  background: transparent;
  color: var(--av-text);
  font-family: var(--av-font-display);
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.av-faq__q::after {
  content: "+";
  flex-shrink: 0;
  font-size: 1.35rem;
  color: var(--av-accent);
  transition: transform 0.25s;
}

.av-faq__item.is-open .av-faq__q::after {
  transform: rotate(45deg);
}

.av-faq__a {
  display: none;
  padding: 0 1.15rem 1.15rem;
}

.av-faq__item.is-open .av-faq__a {
  display: block;
}

/* CTA band */
.av-cta-band {
  padding: clamp(2.5rem, 5vw, 3.5rem) 0;
  text-align: center;
}

.av-cta-band .av-glass {
  max-width: 720px;
  margin-inline: auto;
  padding: clamp(1.75rem, 4vw, 2.5rem);
}

.av-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.75rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--av-accent), #7b2cbf);
  color: var(--av-text);
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  box-shadow: 0 6px 28px var(--av-glow);
  transition: filter 0.2s, transform 0.2s;
}

.av-btn:hover {
  filter: brightness(1.1);
  text-decoration: none;
  transform: translateY(-1px);
}

.av-btn--ghost {
  background: transparent;
  border: 1px solid var(--av-line);
  box-shadow: none;
}

.av-btn--ghost:hover {
  background: rgba(157, 78, 221, 0.1);
}

/* Footer */
.av-footer {
  padding: 2.5rem 0 1.5rem;
  border-top: 1px solid var(--av-line);
  background: rgba(8, 6, 18, 0.6);
}

.av-footer__grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .av-footer__grid {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
}

.av-footer__nav {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.av-footer__nav a {
  color: var(--av-muted);
  font-size: 0.92rem;
}

.av-footer__note {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(157, 78, 221, 0.1);
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.5);
  text-align: center;
}

/* Tech pages */
.av-page {
  padding: calc(var(--av-header) + 2rem) 0 3rem;
}

.av-prose {
  max-width: 720px;
}

.av-prose h2 {
  margin-top: 2rem;
}

/* Cookie */
.av-cookie {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 200;
  padding: 1rem;
  transform: translateY(110%);
  transition: transform 0.35s ease;
}

.av-cookie.is-visible {
  transform: translateY(0);
}

.av-cookie__box {
  width: min(100% - 2rem, var(--av-max));
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--av-panel);
  border: 1px solid var(--av-line);
  border-radius: var(--av-radius);
  box-shadow: 0 -8px 40px rgba(0, 0, 0, 0.45);
}

.av-cookie__text {
  flex: 1;
  min-width: 220px;
  margin: 0;
  font-size: 0.9rem;
  color: var(--av-muted);
}

.av-cookie__actions {
  display: flex;
  gap: 0.5rem;
}

.av-cookie__actions button {
  padding: 0.55rem 1rem;
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
}

.av-cookie__accept {
  background: var(--av-accent);
  color: var(--av-text);
  border: none;
}

.av-cookie__close {
  background: transparent;
  color: var(--av-muted);
  border: 1px solid var(--av-line);
}

/* Reveal */
.av-reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.av-reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (max-width: 900px) {
  .av-burger {
    display: flex;
  }

  .av-nav {
    position: fixed;
    top: var(--av-header);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    background: rgba(13, 11, 24, 0.97);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--av-line);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s, opacity 0.3s;
    margin-left: 0;
  }

  .av-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .av-nav a {
    padding: 0.65rem 0.5rem;
    border-bottom: 1px solid rgba(157, 78, 221, 0.08);
  }

  .av-cta-head {
    display: none;
  }

  .av-nav.is-open + .av-cta-head {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .av-reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}