/* =========================================================
   SABI COMMUNITY — design tokens
   Palette lifted directly from the brand mark: near-black
   navy base, blue-to-green diagonal (the "roof" gradient),
   warm gold window light as a rare, precise accent.
   ========================================================= */

@property --accent-a {
  syntax: '<color>';
  inherits: true;
  initial-value: #2f7fe0;
}
@property --accent-b {
  syntax: '<color>';
  inherits: true;
  initial-value: #2aa7c7;
}

:root {
  --bg: #030710;
  --bg-raised: #070f1e;
  --bg-raised-2: #0b1526;
  --hairline: rgba(150, 175, 210, 0.14);
  --ink: #eef3fa;
  --ink-dim: #aebcd1;
  --ink-faint: #7386a1;
  --gold: #f0b93d;

  --accent-a: #2f7fe0;
  --accent-b: #2aa7c7;

  --font-display: 'Sora', system-ui, sans-serif;
  --font-body: 'Work Sans', system-ui, sans-serif;

  --container: 1120px;
  --edge: clamp(1.5rem, 5vw, 4rem);

  color-scheme: dark;
}

/* five accent stops, one per feature — same blue→green run as the logo */
.feature[data-accent="0"] { --accent-a: #2f7fe0; --accent-b: #3aa0da; }
.feature[data-accent="1"] { --accent-a: #2aa7c7; --accent-b: #22bcb2; }
.feature[data-accent="2"] { --accent-a: #20c0a3; --accent-b: #2fca8c; }
.feature[data-accent="3"] { --accent-a: #33cc82; --accent-b: #4bd268; }
.feature[data-accent="4"] { --accent-a: #4bd268; --accent-b: #6fdc55; }

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  color: var(--ink);
  margin: 0;
  letter-spacing: -0.01em;
}

p { margin: 0; }

a { color: inherit; }

button {
  font-family: inherit;
  cursor: pointer;
}

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

/* =========================================================
   Progress bar — native scroll-driven animation where
   supported, with a JS-driven fallback that always works.
   ========================================================= */

.progress-track {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: rgba(255,255,255,0.06);
  z-index: 60;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #2f7fe0, #2aa7c7, #20c0a3, #33cc82, #6fdc55);
  transform-origin: left;
}

@supports (animation-timeline: scroll()) {
  .progress-fill {
    width: 100%;
    transform: scaleX(0);
    animation: grow-progress auto linear;
    animation-timeline: scroll(root);
  }
}

@keyframes grow-progress {
  to { transform: scaleX(1); }
}

/* =========================================================
   Header
   ========================================================= */

.site-header {
  position: fixed;
  top: 3px; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem var(--edge);
  background: linear-gradient(to bottom, rgba(3,7,16,0.85), rgba(3,7,16,0));
  pointer-events: none;
}

.site-header > * { pointer-events: auto; }

.brand-mark { display: block; }
.brand-mark__logo { height: 30px; width: auto; }

.site-nav { display: flex; gap: 1.75rem; }

.nav-link {
  background: none;
  border: none;
  color: var(--ink-dim);
  font-size: 0.92rem;
  font-family: var(--font-body);
  padding: 0.4rem 0;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--ink);
  border-color: var(--accent-b);
}

/* =========================================================
   Hero
   ========================================================= */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 8rem var(--edge) 6rem;
  overflow: hidden;
}

.hero__glow {
  position: absolute;
  inset: -20%;
  background:
    radial-gradient(38% 42% at 32% 38%, rgba(47,127,224,0.35), transparent 70%),
    radial-gradient(40% 45% at 68% 55%, rgba(79,214,92,0.28), transparent 70%);
  filter: blur(10px);
  z-index: 0;
  animation: drift 22s ease-in-out infinite alternate;
}

@media (prefers-reduced-motion: reduce) {
  .hero__glow { animation: none; }
}

@keyframes drift {
  from { transform: translate3d(0,0,0) scale(1); }
  to   { transform: translate3d(2%, -3%, 0) scale(1.06); }
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.75rem;
}

.hero__logo {
  width: min(560px, 82vw);
}

.hero__headline {
  font-size: clamp(1.7rem, 4vw, 2.7rem);
  font-weight: 700;
  line-height: 1.18;
}

.hero__lead {
  font-size: 1.08rem;
  color: var(--ink-dim);
  max-width: 52ch;
}

.hero__cta {
  margin-top: 0.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 1.9rem;
  border-radius: 999px;
  background: linear-gradient(100deg, #2f7fe0, #38c988);
  color: #04101b;
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  box-shadow: 0 10px 30px -12px rgba(47,127,224,0.55);
}

.hero__cta:hover,
.hero__cta:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px -12px rgba(56,201,136,0.55);
}

.hero__scrollcue {
  position: absolute;
  bottom: 2.4rem;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 46px;
  background: var(--hairline);
  overflow: hidden;
}

.hero__scrollcue span {
  display: block;
  width: 100%;
  height: 40%;
  background: linear-gradient(180deg, var(--accent-b), transparent);
  animation: cue-fall 2.4s ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce) {
  .hero__scrollcue span { animation: none; }
}

@keyframes cue-fall {
  0%   { transform: translateY(-100%); }
  60%  { transform: translateY(140%); }
  100% { transform: translateY(140%); }
}

/* =========================================================
   Bridge section
   ========================================================= */

.bridge {
  background: var(--bg-raised);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  padding: 7rem var(--edge);
}

.bridge__inner {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
}

.bridge__kicker {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent-b);
}

.bridge__headline {
  font-size: clamp(1.4rem, 2.8vw, 1.9rem);
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
}

.bridge__text {
  color: var(--ink-dim);
  font-size: 1.05rem;
  max-width: 60ch;
}

/* =========================================================
   Features — alternating rows, scroll-revealed
   ========================================================= */

.features {
  max-width: var(--container);
  margin: 0 auto;
  padding: 2rem var(--edge);
}

.feature {
  display: grid;
  grid-template-columns: minmax(180px, 320px) 1fr;
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
  padding: 5.5rem 0;
  border-bottom: 1px solid var(--hairline);
  transition: --accent-a 0.6s ease, --accent-b 0.6s ease;
}

.features > .feature:last-child { border-bottom: none; }

.feature--reverse {
  grid-template-columns: 1fr minmax(180px, 320px);
}

.feature--reverse .feature__media { order: 2; }
.feature--reverse .feature__copy { order: 1; }

.feature__media {
  display: flex;
  justify-content: center;
}

.feature__icon {
  width: clamp(120px, 16vw, 168px);
  height: auto;
  overflow: visible;
}

.feature__icon path,
.feature__icon rect,
.feature__icon circle {
  stroke: var(--accent-b);
  fill: none;
}

.feature__icon .draw {
  stroke-dasharray: 260;
  stroke-dashoffset: 260;
  transition: stroke-dashoffset 1s cubic-bezier(.4,0,.2,1);
}
.feature__icon .draw--delay { transition-delay: 0.18s; }
.feature__icon .draw--delay2 { transition-delay: 0.34s; }

.feature.in-view .feature__icon .draw {
  stroke-dashoffset: 0;
}

.feature__copy {
  max-width: 46ch;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.feature.in-view .feature__copy {
  opacity: 1;
  transform: translateY(0);
}

.feature__title {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  font-weight: 700;
  background: linear-gradient(100deg, var(--accent-a), var(--accent-b));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 0.9rem;
}

.feature__text {
  color: var(--ink-dim);
  font-size: 1.05rem;
}

@media (max-width: 760px) {
  .feature,
  .feature--reverse {
    grid-template-columns: 1fr;
    text-align: left;
    padding: 3.5rem 0;
  }
  .feature--reverse .feature__media,
  .feature--reverse .feature__copy {
    order: initial;
  }
  .feature__media { justify-content: flex-start; }
}

/* =========================================================
   Recap / CTA
   ========================================================= */

.recap {
  background: var(--bg-raised-2);
  border-top: 1px solid var(--hairline);
  padding: 7rem var(--edge);
  text-align: center;
}

.recap__inner {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.2rem;
}

.recap__headline {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 700;
  line-height: 1.3;
}

.recap__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem 0.8rem;
}

.recap__list li {
  font-size: 0.88rem;
  color: var(--ink-dim);
  padding: 0.5rem 1rem;
  border: 1px solid var(--hairline);
  border-radius: 999px;
}

.recap__cta {
  border: none;
  padding: 0.95rem 2.1rem;
  border-radius: 999px;
  background: linear-gradient(100deg, #2f7fe0, #38c988);
  color: #04101b;
  font-weight: 600;
  font-size: 0.98rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  box-shadow: 0 10px 30px -12px rgba(47,127,224,0.5);
}

.recap__cta:hover,
.recap__cta:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px -12px rgba(56,201,136,0.55);
}

/* =========================================================
   Footer
   ========================================================= */

.site-footer {
  background: var(--bg);
  border-top: 1px solid var(--hairline);
  padding: 3.5rem var(--edge) 2.5rem;
}

.site-footer__inner {
  max-width: 480px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
  text-align: center;
}

.site-footer__logo { height: 22px; width: auto; opacity: 0.85; }

.site-footer__tagline {
  font-size: 0.9rem;
  color: var(--ink-faint);
}

.site-footer__links {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-top: 0.6rem;
}

.site-footer__dot {
  width: 3px; height: 3px;
  border-radius: 50%;
  background: var(--ink-faint);
}

.site-footer__copy {
  font-size: 0.8rem;
  color: var(--ink-faint);
  margin-top: 1.2rem;
}

/* =========================================================
   Modals
   ========================================================= */

.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal[aria-hidden="false"] {
  opacity: 1;
  pointer-events: auto;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 5, 12, 0.72);
  backdrop-filter: blur(3px);
}

.modal__panel {
  position: relative;
  width: min(440px, 100%);
  max-height: 82vh;
  overflow-y: auto;
  background: var(--bg-raised);
  border: 1px solid var(--hairline);
  border-radius: 20px;
  padding: 2.4rem 2.2rem;
  transform: translateY(14px) scale(0.98);
  transition: transform 0.3s cubic-bezier(.2,.8,.2,1);
}

.modal[aria-hidden="false"] .modal__panel {
  transform: translateY(0) scale(1);
}

.modal__panel--wide { width: min(620px, 100%); }

.modal__close {
  position: absolute;
  top: 1.1rem;
  right: 1.1rem;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--hairline);
  background: transparent;
  color: var(--ink-dim);
  font-size: 1.3rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.modal__close:hover,
.modal__close:focus-visible {
  color: var(--ink);
  border-color: var(--accent-b);
}

.modal__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.9rem;
}

.modal__text {
  color: var(--ink-dim);
  margin-bottom: 1.6rem;
}

.modal__contact-list {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.modal__contact-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.9rem 1.1rem;
  border: 1px solid var(--hairline);
  border-radius: 12px;
  text-decoration: none;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.modal__contact-item:hover,
.modal__contact-item:focus-visible {
  border-color: var(--accent-b);
  background: rgba(255,255,255,0.03);
}

.modal__contact-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
}

.modal__contact-value {
  font-size: 1.02rem;
  color: var(--ink);
  font-weight: 500;
}

.modal__scroll {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  color: var(--ink-dim);
  font-size: 0.96rem;
  line-height: 1.65;
}

.modal__scroll strong { color: var(--ink); }

/* Focus visibility across interactive elements */
:focus-visible {
  outline: 2px solid var(--accent-b);
  outline-offset: 3px;
}

/* =========================================================
   FAQ — accordion animado sin JavaScript, usando el truco de
   grid-template-rows (0fr -> 1fr) para animar la altura del
   contenido de cada <details>.
   ========================================================= */

.faq {
  background: var(--bg-raised);
  border-top: 1px solid var(--hairline);
  padding: 7rem var(--edge);
}

.faq__inner {
  max-width: 760px;
  margin: 0 auto;
}

.faq__list {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq__item {
  border: 1px solid var(--hairline);
  border-radius: 14px;
  background: var(--bg-raised-2);
  overflow: hidden;
}

/* quita el triángulo nativo del navegador */
.faq__summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  padding: 1.15rem 1.4rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.02rem;
  line-height: 1.4;
  color: var(--ink);
  transition: color 0.2s ease;
}
.faq__summary::-webkit-details-marker { display: none; }
.faq__summary::marker { content: ""; }

.faq__item:hover .faq__summary { color: var(--accent-b); }

/* ícono +/- que gira hasta convertirse en signo de menos */
.faq__icon {
  position: relative;
  flex: none;
  width: 20px;
  height: 20px;
}
.faq__icon::before,
.faq__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--accent-b);
  border-radius: 2px;
  transition: transform 0.3s ease;
}
.faq__icon::before {
  width: 14px;
  height: 2px;
  transform: translate(-50%, -50%);
}
.faq__icon::after {
  width: 2px;
  height: 14px;
  transform: translate(-50%, -50%) rotate(90deg);
}
.faq__item[open] .faq__icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

/* el truco: la fila de grid pasa de 0fr a 1fr, así el contenido
   se despliega suave sin necesidad de conocer su altura real */
.faq__content {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s ease;
}
.faq__item[open] .faq__content {
  grid-template-rows: 1fr;
}

.faq__answer {
  overflow: hidden;
}

.faq__answer p {
  margin: 0;
  padding: 0 1.4rem 1.3rem;
  color: var(--ink-dim);
  font-size: 0.98rem;
  line-height: 1.65;
}

.faq__inline-link {
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  font: inherit;
  color: var(--accent-b);
  text-decoration: underline;
  text-underline-offset: 2px;
  cursor: pointer;
}
.faq__inline-link:hover,
.faq__inline-link:focus-visible {
  color: var(--ink);
}

/* =========================================================
   FAQ — botón "Revelar / Ocultar FAQ's"
   ========================================================= */

.faq__toggle {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin: 2.4rem auto 0;
  padding: 0.85rem 1.9rem;
  border-radius: 999px;
  border: 1px solid var(--hairline);
  background: transparent;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.faq__toggle:hover,
.faq__toggle:focus-visible {
  border-color: var(--accent-b);
  color: var(--accent-b);
  background: rgba(255,255,255,0.03);
}

.faq__toggle-icon {
  width: 9px;
  height: 9px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.3s ease;
}

.faq__toggle[aria-expanded="true"] .faq__toggle-icon {
  transform: rotate(-135deg);
}

/* contenedor que se despliega suavemente al mostrar/ocultar */
.faq__reveal {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.45s ease;
}

.faq__reveal.is-open {
  grid-template-rows: 1fr;
}

.faq__reveal-inner {
  overflow: hidden;
}

.faq__reveal .faq__list {
  margin-top: 2.5rem;
}