/* styles.css */
:root{
  /* Colors */
  --bg: #0b1220;
  --surface: rgba(255,255,255,.06);
  --surface-2: rgba(255,255,255,.10);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.70);
  --muted-2: rgba(255,255,255,.55);
  --border: rgba(255,255,255,.14);
  --shadow: 0 18px 40px rgba(0,0,0,.35);

  --brand: #7dd3fc; /* sky */
  --brand-2: #a7f3d0; /* mint */
  --danger: #fecaca;

  /* Typography */
  --font-sans: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --font-serif: "Fraunces", ui-serif, Georgia, "Times New Roman", serif;

  --fs-1: clamp(2rem, 2.6vw, 3rem);     /* H1 */
  --fs-2: clamp(1.4rem, 1.8vw, 2rem);   /* H2 */
  --fs-3: 1.125rem;                     /* H3 */
  --fs-body: 1rem;
  --lh: 1.65;

  /* Layout */
  --container: 1200px;
  --radius: 18px;
  --radius-sm: 14px;
  --radius-lg: 26px;

  /* Motion */
  --ease: cubic-bezier(.2,.8,.2,1);
  --dur: 600ms;
}

/* Base reset */
*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh);
  color: var(--text);
  background:
    radial-gradient(1000px 600px at 10% -10%, rgba(125,211,252,.18), transparent 55%),
    radial-gradient(900px 520px at 100% 10%, rgba(167,243,208,.14), transparent 60%),
    radial-gradient(900px 520px at 30% 110%, rgba(125,211,252,.10), transparent 60%),
    var(--bg);
  overflow-x:hidden;
}

img{ max-width:100%; height:auto; display:block; }
a{ color: inherit; text-decoration: none; }
p{ margin:0; }
h1,h2,h3{ margin:0; line-height: 1.15; letter-spacing: -0.02em; }
h1{ font-size: var(--fs-1); font-family: var(--font-serif); }
h2{ font-size: var(--fs-2); font-family: var(--font-serif); }
h3{ font-size: var(--fs-3); }
ul,ol{ margin:0; padding-left: 1.1rem; }
li{ margin: .35rem 0; }
:focus-visible{
  outline: 3px solid rgba(125,211,252,.7);
  outline-offset: 3px;
  border-radius: 10px;
}

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

.sr-only{
  position:absolute !important;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);
  white-space:nowrap;border:0;
}

.skip-link{
  position:absolute;
  left: 1rem; top: .75rem;
  padding: .6rem .8rem;
  background: rgba(0,0,0,.55);
  border: 1px solid var(--border);
  border-radius: 12px;
  transform: translateY(-200%);
  transition: transform 200ms var(--ease);
  z-index: 9999;
}
.skip-link:focus{ transform: translateY(0); }

.muted{ color: var(--muted); }
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  padding: .35rem .6rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255,255,255,.04);
  color: var(--muted);
  font-weight: 600;
  font-size: .9rem;
}

/* Header */
.header{
  position: sticky;
  top:0;
  z-index: 50;
  background: transparent;
  transition: background 220ms var(--ease), border-color 220ms var(--ease), box-shadow 220ms var(--ease);
  border-bottom: 1px solid transparent;
}
.header.is-scrolled{
  background: rgba(11,18,32,.72);
  border-bottom-color: rgba(255,255,255,.10);
  backdrop-filter: blur(12px);
  box-shadow: 0 10px 28px rgba(0,0,0,.30);
}
.header__inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  padding: .9rem 0;
  gap: 1rem;
}

.brand{
  display:flex;
  align-items:center;
  gap:.65rem;
  min-width: 12ch;
}
.brand__icon{
  color: rgba(125,211,252,.95);
}
.brand__text{
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* Nav */
.nav{ position: relative; }
.nav__toggle{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width: 44px; height: 44px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.05);
  color: var(--text);
  cursor:pointer;
  transition: transform 140ms var(--ease), background 140ms var(--ease), border-color 140ms var(--ease);
}
.nav__toggle:hover{ background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.20); transform: translateY(-1px); }
.nav__hamburger{
  width: 18px; height: 12px;
  position: relative;
}
.nav__hamburger::before,
.nav__hamburger::after{
  content:"";
  position:absolute;
  left:0; right:0;
  height:2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 180ms var(--ease), top 180ms var(--ease), opacity 180ms var(--ease);
}
.nav__hamburger::before{ top:2px; }
.nav__hamburger::after{ top:8px; }

.nav__panel{
  position: fixed;
  top: 0; right: 0;
  height: 100dvh;
  width: min(92vw, 420px);
  padding: 5rem 1.2rem 1.2rem;
  background: rgba(11,18,32,.92);
  border-left: 1px solid rgba(255,255,255,.12);
  transform: translateX(102%);
  transition: transform 260ms var(--ease);
  box-shadow: -20px 0 50px rgba(0,0,0,.40);
  display:flex;
  flex-direction:column;
  gap: 1rem;
}
.nav__panel.is-open{ transform: translateX(0); }

.nav__list{
  list-style:none;
  padding:0;
  margin:0;
  display:flex;
  flex-direction:column;
  gap: .35rem;
}
.nav__link{
  display:block;
  padding: .85rem .85rem;
  border-radius: 14px;
  border: 1px solid transparent;
  color: var(--text);
  transition: background 140ms var(--ease), border-color 140ms var(--ease), transform 140ms var(--ease);
}
.nav__link:hover{
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.14);
  transform: translateX(2px);
}

.nav__meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: .75rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,.10);
}

.lang{
  display:inline-flex;
  align-items:center;
  gap:.35rem;
  padding: .3rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
}
.lang__link{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width: 40px;
  height: 32px;
  padding: 0 .55rem;
  border-radius: 999px;
  color: var(--muted);
  font-weight: 700;
  letter-spacing: .02em;
  transition: background 140ms var(--ease), color 140ms var(--ease);
}
.lang__link:hover{ background: rgba(255,255,255,.06); color: var(--text); }
.lang__link.is-active{
  background: rgba(125,211,252,.16);
  color: rgba(255,255,255,.95);
}

.nav-overlay{
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  backdrop-filter: blur(4px);
  z-index: 40;
}

/* Buttons */
.button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  padding: .9rem 1.05rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color: var(--text);
  font-weight: 700;
  cursor:pointer;
  transition: transform 160ms var(--ease), background 160ms var(--ease), border-color 160ms var(--ease), box-shadow 160ms var(--ease);
  box-shadow: 0 0 0 rgba(0,0,0,0);
}
.button:hover{
  transform: translateY(-2px);
  border-color: rgba(255,255,255,.22);
  background: rgba(255,255,255,.09);
  box-shadow: 0 14px 30px rgba(0,0,0,.28);
}
.button:active{ transform: translateY(0); }

.button--primary{
  background: linear-gradient(135deg, rgba(125,211,252,.24), rgba(167,243,208,.18));
  border-color: rgba(125,211,252,.30);
}
.button--ghost{
  background: transparent;
}
.button--sm{
  padding: .6rem .8rem;
  height: 36px;
}

/* Hero */
.hero{
  padding: 2.2rem 0 1.2rem;
}
.hero__inner{
  display:grid;
  gap: 1.4rem;
}
.hero__copy{
  display:flex;
  flex-direction:column;
  gap: 1rem;
}
.lead{
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 65ch;
}
.hero__actions{
  display:flex;
  flex-wrap:wrap;
  gap:.7rem;
  margin-top: .2rem;
}
.stats{
  display:grid;
  grid-template-columns: 1fr;
  gap: .65rem;
  margin-top: .8rem;
}
.stat{
  padding: .85rem .95rem;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
}
.stat dt{
  font-weight: 800;
  color: rgba(255,255,255,.92);
}
.stat dd{
  margin: .15rem 0 0;
  color: var(--muted);
}

.hero__art{
  margin-top: .4rem;
}
.art-card{
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.art{ width:100%; height:auto; display:block; color: rgba(125,211,252,.9); }
.art-card__caption{
  padding: .9rem 1rem 1.05rem;
}

/* Sections */
.section{
  padding: 2.6rem 0;
}
.section--tint{
  background: rgba(255,255,255,.03);
  border-top: 1px solid rgba(255,255,255,.06);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.section__head{
  display:flex;
  flex-direction:column;
  gap: .7rem;
  margin-bottom: 1.2rem;
}
.section__lead{
  color: var(--muted);
  max-width: 75ch;
}

/* Cards & grids */
.grid{
  display:grid;
  gap: 1rem;
}
.grid--3{ grid-template-columns: 1fr; }

.card{
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  padding: 1.05rem;
  box-shadow: 0 0 0 rgba(0,0,0,0);
  transition: transform 180ms var(--ease), border-color 180ms var(--ease), background 180ms var(--ease), box-shadow 180ms var(--ease);
}
.card:hover{
  transform: translateY(-4px);
  border-color: rgba(255,255,255,.20);
  background: rgba(255,255,255,.055);
  box-shadow: 0 18px 40px rgba(0,0,0,.32);
}
.card--soft{
  padding: 1.15rem;
  background: rgba(255,255,255,.035);
}
.card--animal{
  padding:0;
  overflow:hidden;
}
.card__img{
  width:100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(1.05) contrast(1.02);
}
.card__body{
  padding: 1rem 1.05rem 1.05rem;
  display:flex;
  flex-direction:column;
  gap:.55rem;
}
.tags{
  display:flex;
  flex-wrap:wrap;
  gap:.35rem;
}
.tag{
  display:inline-flex;
  align-items:center;
  padding: .28rem .55rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  color: var(--muted);
  font-weight: 700;
  font-size: .82rem;
}

/* Callout */
.callout{
  margin-top: 1.2rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(125,211,252,.22);
  background: linear-gradient(135deg, rgba(125,211,252,.12), rgba(167,243,208,.08));
  padding: 1rem;
  display:flex;
  align-items:center;
  gap: .9rem;
}
.callout__icon{
  width: 44px; height: 44px;
  border-radius: 14px;
  display:grid;
  place-items:center;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.16);
  color: rgba(255,255,255,.92);
}
.callout__body{ flex: 1; }

/* Split */
.split{
  display:grid;
  gap: 1rem;
}
.checklist{ list-style:none; padding-left:0; }
.checklist li{
  display:flex;
  gap:.65rem;
  padding:.55rem 0;
  border-bottom: 1px dashed rgba(255,255,255,.10);
}
.checklist li:last-child{ border-bottom:0; }
.check{
  width: 18px; height: 18px;
  border-radius: 6px;
  border: 1px solid rgba(125,211,252,.30);
  background: rgba(125,211,252,.12);
  position: relative;
  margin-top: .15rem;
}
.check::after{
  content:"";
  position:absolute;
  inset: 3px 4px 5px 4px;
  border-right: 2px solid rgba(255,255,255,.85);
  border-bottom: 2px solid rgba(255,255,255,.85);
  transform: rotate(40deg);
}

.steps{
  padding-left: 1.1rem;
}
.divider{
  height:1px;
  background: rgba(255,255,255,.10);
  margin: .9rem 0;
}

/* Gallery */
.gallery{
  margin-top: 1.1rem;
  display:grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.gallery__item{
  margin:0;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  overflow:hidden;
}
.gallery__item img{
  aspect-ratio: 16 / 11;
  object-fit: cover;
}
.gallery__item figcaption{
  padding: .7rem .85rem;
}

/* CTA */
.cta{
  margin-top: 1.2rem;
  display:flex;
  flex-direction:column;
  gap: .9rem;
  padding: 1.1rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
}
.cta__copy p{ margin-top: .35rem; }

/* Accordion */
.accordion{ display:grid; gap: .75rem; }
.accordion__item{
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  overflow:hidden;
}
.accordion__button{
  width:100%;
  text-align:left;
  padding: 1rem 1.05rem;
  background: transparent;
  color: var(--text);
  border: 0;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 1rem;
  cursor:pointer;
  font-weight: 800;
}
.accordion__button:hover{ background: rgba(255,255,255,.04); }
.accordion__icon{
  width: 22px; height: 22px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.14);
  position: relative;
  flex: 0 0 auto;
}
.accordion__icon::before,
.accordion__icon::after{
  content:"";
  position:absolute;
  left:50%; top:50%;
  width: 10px; height: 2px;
  background: rgba(255,255,255,.85);
  transform: translate(-50%,-50%);
  border-radius: 2px;
}
.accordion__icon::after{
  transform: translate(-50%,-50%) rotate(90deg);
  transition: opacity 160ms var(--ease);
}
.accordion__button[aria-expanded="true"] .accordion__icon::after{ opacity: 0; }

.accordion__panel{
  height: 0;
  overflow:hidden;
  transition: height 240ms var(--ease);
}
.accordion__panel-inner{
  padding: 0 1.05rem 1.05rem;
  color: var(--muted);
}

/* Form */
.form-wrap{
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  padding: 1.1rem;
  position: relative;
}
.form__grid{
  display:grid;
  grid-template-columns: 1fr;
  gap: .95rem;
}
.field label{
  display:block;
  font-weight: 800;
  margin-bottom: .35rem;
}
input, select, textarea{
  width:100%;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.18);
  color: var(--text);
  padding: .85rem .9rem;
  font: inherit;
  transition: border-color 160ms var(--ease), background 160ms var(--ease), transform 160ms var(--ease);
}
input::placeholder, textarea::placeholder{ color: rgba(255,255,255,.45); }
input:hover, select:hover, textarea:hover{
  border-color: rgba(255,255,255,.22);
}
input:focus-visible, select:focus-visible, textarea:focus-visible{
  border-color: rgba(125,211,252,.55);
  background: rgba(0,0,0,.22);
}
.field__error{
  display:block;
  min-height: 1.1em;
  margin-top: .35rem;
  color: rgba(254,202,202,.95);
  font-weight: 600;
  font-size: .92rem;
}
.is-invalid{
  border-color: rgba(254,202,202,.55) !important;
  background: rgba(254,202,202,.06) !important;
}

.field--full{ grid-column: 1 / -1; }
.checkbox{
  display:flex;
  align-items:flex-start;
  gap: .65rem;
  user-select:none;
}
.checkbox input{ width: 18px; height: 18px; margin-top: .15rem; padding: 0; }

.form__actions{
  display:flex;
  flex-direction:column;
  gap: .8rem;
  margin-top: 1rem;
}

/* Toast */
.toast{
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  padding: .9rem 1rem;
  border-radius: 16px;
  border: 1px solid rgba(167,243,208,.22);
  background: rgba(16,185,129,.14);
  color: rgba(255,255,255,.92);
  box-shadow: 0 18px 40px rgba(0,0,0,.35);
  transform: translateY(10px);
  opacity: 0;
  transition: transform 200ms var(--ease), opacity 200ms var(--ease);
}
.toast.is-show{
  transform: translateY(0);
  opacity: 1;
}

/* Footer */
.footer{
  padding: 1.8rem 0 2.2rem;
  border-top: 1px solid rgba(255,255,255,.08);
}
.footer__inner{
  display:flex;
  flex-direction:column;
  gap: 1rem;
  align-items:flex-start;
  justify-content: space-between;
}
.footer__nav{
  display:flex;
  flex-wrap:wrap;
  gap: .85rem 1rem;
}
.footer__nav a{
  color: var(--muted);
  padding: .25rem .2rem;
}
.footer__nav a:hover{ color: var(--text); }

/* Reveal animations */
.reveal, .reveal-item{
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity var(--dur) var(--ease),
    transform var(--dur) var(--ease);
  transition-delay: var(--d, 0ms);
  will-change: opacity, transform;
}
[data-reveal="slide-up"]{
  transform: translateY(22px);
}
.is-visible{
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  .reveal, .reveal-item{
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .button, .card, .nav__panel{ transition: none !important; }
}

/* Responsive breakpoints */
@media (min-width: 480px){
  .stats{ grid-template-columns: 1fr; }
  .gallery{ grid-template-columns: 1fr 1fr; }
  .cta{ flex-direction: row; align-items:center; justify-content: space-between; }
}

@media (min-width: 768px){
  .hero{ padding: 3.2rem 0 1.8rem; }
  .hero__inner{ grid-template-columns: 1.15fr .85fr; align-items: start; }
  .stats{ grid-template-columns: repeat(3, 1fr); }
  .grid--3{ grid-template-columns: repeat(3, 1fr); }
  .split{ grid-template-columns: 1fr 1fr; align-items: start; }
  .form__grid{ grid-template-columns: 1fr 1fr; }
  .footer__inner{ flex-direction: row; align-items: center; }
}

@media (min-width: 1024px){
  .nav__toggle{ display:none; }
  .nav__panel{
    position: static;
    height: auto;
    width: auto;
    padding: 0;
    transform: none;
    box-shadow: none;
    border: 0;
    background: transparent;
    flex-direction: row;
    align-items:center;
    gap: 1rem;
  }
  .nav__list{
    flex-direction: row;
    align-items:center;
    gap: .2rem;
  }
  .nav__link{
    padding: .55rem .7rem;
    border-radius: 999px;
  }
  .nav__meta{
    margin-top: 0;
    padding-top: 0;
    border-top: 0;
  }
  .nav-overlay{ display:none !important; }
}

/* Scroll-lock when mobile nav open */
body.nav-open{
  overflow: hidden;
}