/* ===========================================================================
   GIPFELTX — base.css · reset, tipografía, layout y movimiento
   =========================================================================== */

@import url('../fonts/fontshare.css');
@import url('../fonts/google.css');

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

* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  height: 100%;
}

body {
  min-height: 100%;
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: var(--lh-base);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  transition: background-color var(--t-slow) var(--ease-out),
              color var(--t-base) var(--ease-out);
}

img, svg, video, canvas {
  display: block;
  max-width: 100%;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

button { background: none; border: 0; cursor: pointer; }

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

ul, ol { list-style: none; padding: 0; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--r-xs);
}

::selection {
  background: var(--brand-500);
  color: #fff;
}

/* ---- Barra de desplazamiento ------------------------------------------ */
* { scrollbar-width: thin; scrollbar-color: var(--line-strong) transparent; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--line-strong);
  border: 3px solid transparent;
  border-radius: var(--r-full);
  background-clip: content-box;
}
::-webkit-scrollbar-thumb:hover { background: var(--text-faint); background-clip: content-box; }

/* ===========================================================================
   TIPOGRAFÍA
   =========================================================================== */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--text);
  text-wrap: balance;
}

h1 { font-size: var(--fs-4xl); }
h2 { font-size: var(--fs-3xl); }
h3 { font-size: var(--fs-2xl); }
h4 { font-size: var(--fs-xl); }
h5 { font-size: var(--fs-lg); }

p { text-wrap: pretty; }

.display {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  line-height: var(--lh-tight);
}

.eyebrow {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--accent-text);
}

.lead {
  font-size: var(--fs-lg);
  line-height: var(--lh-loose);
  color: var(--text-soft);
}

.muted  { color: var(--text-mute); }
.faint  { color: var(--text-faint); }
.strong { font-weight: 600; }
.mono   { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.num    { font-variant-numeric: tabular-nums; }

.text-grad {
  background: linear-gradient(104deg, var(--brand-500) 0%, var(--brand-400) 42%, var(--flame-500) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ===========================================================================
   LAYOUT
   =========================================================================== */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--sp-5);
}
.wrap--wide { max-width: var(--wrap-wide); }
.wrap--form { max-width: var(--wrap-form); }
.wrap--narrow { max-width: 620px; }

.stack  { display: flex; flex-direction: column; }
.row    { display: flex; align-items: center; }
.center { display: flex; align-items: center; justify-content: center; }
.between{ display: flex; align-items: center; justify-content: space-between; }
.wrapf  { flex-wrap: wrap; }
.grow   { flex: 1 1 auto; min-width: 0; }
.shrink0{ flex-shrink: 0; }

.gap-1 { gap: var(--sp-1); } .gap-2 { gap: var(--sp-2); }
.gap-3 { gap: var(--sp-3); } .gap-4 { gap: var(--sp-4); }
.gap-5 { gap: var(--sp-5); } .gap-6 { gap: var(--sp-6); }
.gap-8 { gap: var(--sp-8); } .gap-10{ gap: var(--sp-10); }

.grid { display: grid; gap: var(--sp-5); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-auto { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

.section { padding-block: clamp(var(--sp-12), 7vw, var(--sp-24)); }
.section--tight { padding-block: clamp(var(--sp-8), 4vw, var(--sp-12)); }

.hidden { display: none !important; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0;
  margin: -1px; overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.full { width: 100%; }
.mt-auto { margin-top: auto; }
.ta-c { text-align: center; }
.ta-r { text-align: right; }

@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 620px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: minmax(0, 1fr); }
  .wrap { padding-inline: var(--sp-4); }
}

/* ===========================================================================
   FONDO AMBIENTAL  (luces suaves con la paleta de la llama)
   =========================================================================== */
.ambient {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.ambient__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 1;
  will-change: transform;
}

.ambient__blob--1 {
  width: 46vw; height: 46vw;
  min-width: 380px; min-height: 380px;
  top: -14vw; right: -10vw;
  background: radial-gradient(circle at 50% 50%, var(--amb-1), transparent 68%);
  animation: drift-a 26s var(--ease-in-out) infinite alternate;
}
.ambient__blob--2 {
  width: 38vw; height: 38vw;
  min-width: 320px; min-height: 320px;
  bottom: -12vw; left: -8vw;
  background: radial-gradient(circle at 50% 50%, var(--amb-2), transparent 68%);
  animation: drift-b 32s var(--ease-in-out) infinite alternate;
}
.ambient__blob--3 {
  width: 32vw; height: 32vw;
  min-width: 260px; min-height: 260px;
  top: 38%; left: 46%;
  background: radial-gradient(circle at 50% 50%, var(--amb-3), transparent 70%);
  animation: drift-c 38s var(--ease-in-out) infinite alternate;
}

@keyframes drift-a {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to   { transform: translate3d(-5vw, 7vh, 0) scale(1.14); }
}
@keyframes drift-b {
  from { transform: translate3d(0, 0, 0) scale(1.08); }
  to   { transform: translate3d(6vw, -6vh, 0) scale(1); }
}
@keyframes drift-c {
  from { transform: translate3d(-3vw, 2vh, 0) scale(0.95); }
  to   { transform: translate3d(4vw, -5vh, 0) scale(1.2); }
}

.page {
  position: relative;
  z-index: var(--z-base);
}

/* ===========================================================================
   MOVIMIENTO
   =========================================================================== */
@keyframes fade-up {
  from { opacity: 0; transform: translate3d(0, 16px, 0); }
  to   { opacity: 1; transform: none; }
}
@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes scale-in {
  from { opacity: 0; transform: scale(0.96); }
  to   { opacity: 1; transform: none; }
}
@keyframes slide-right {
  from { opacity: 0; transform: translate3d(-14px, 0, 0); }
  to   { opacity: 1; transform: none; }
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse-soft {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.45; }
}
@keyframes shimmer {
  from { background-position: -160% 0; }
  to   { background-position: 260% 0; }
}
@keyframes flame-pop {
  0%   { transform: scale(0.6) rotate(-8deg); opacity: 0; }
  60%  { transform: scale(1.08) rotate(3deg); opacity: 1; }
  100% { transform: scale(1) rotate(0); opacity: 1; }
}

.anim-up    { animation: fade-up var(--t-slow) var(--ease-out) both; }
.anim-in    { animation: fade-in var(--t-slow) var(--ease-out) both; }
.anim-scale { animation: scale-in var(--t-base) var(--ease-spring) both; }

/* Revelado escalonado: el JS pone --i en cada hijo */
.reveal > * {
  animation: fade-up var(--t-slower) var(--ease-out) both;
  animation-delay: calc(var(--i, 0) * 55ms);
}

/* Aparición al hacer scroll (IntersectionObserver en ui.js) */
.io { opacity: 0; transform: translate3d(0, 22px, 0); }
.io.is-in {
  opacity: 1;
  transform: none;
  transition: opacity var(--t-slower) var(--ease-out) var(--io-delay, 0ms),
              transform var(--t-slower) var(--ease-out) var(--io-delay, 0ms);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .io { opacity: 1; transform: none; }
  .ambient__blob { animation: none; }
}

/* ===========================================================================
   IMPRESIÓN
   =========================================================================== */
@media print {
  .ambient, .appbar, .toasts, .no-print { display: none !important; }
  body { background: #fff; color: #000; }
  .glass { background: #fff !important; box-shadow: none !important; border: 1px solid #ddd !important; }
}