/* ── TOKENS ─────────────────────────────────────────── */
:root {
  --bg: #050917;
  --bg-2: #0b1022;
  --bg-3: #111827;
  --accent: #a8a3b9;
  --accent-l: #c4c0d1;
  --border: #1c2035;
  --text: #f0edf7;
  --text-muted: #a8a3b9;
  --font-head: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --ease: cubic-bezier(.4, 0, .2, 1);
}

/* ── RESET ──────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: auto;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

/* ── NOISE TEXTURE OVERLAY ──────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: .4;
}

/* ── LAYOUT HELPERS ─────────────────────────────────── */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  position: relative;
  z-index: 1;
}

/* ── NAV ────────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.5rem 0;
  transition: background .4s var(--ease), padding .4s var(--ease);
}

nav.scrolled {
  background: rgba(5, 9, 23, .85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--text);
}

.nav-logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav-links a {
  font-size: .875rem;
  font-weight: 400;
  color: var(--text-muted);
  letter-spacing: .02em;
  transition: color .25s;
}

.nav-links a:hover {
  color: var(--text);
}

.nav-cta {
  font-size: .875rem !important;
  font-weight: 500 !important;
  color: var(--text) !important;
  border: 1px solid var(--border);
  padding: .5rem 1.25rem;
  border-radius: 100px;
  transition: border-color .25s, background .25s !important;
}

.nav-cta:hover {
  border-color: var(--accent) !important;
  background: rgba(168, 163, 185, .06) !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  outline: none;
  padding: 0;
  box-shadow: none;
  -webkit-appearance: none;
  appearance: none;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--text);
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}

/* ── FORM SHARED ───────────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.form-group label {
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .06em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.form-group input,
.form-group textarea,
.form-group select {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: .85rem 1.1rem;
  color: var(--text);
  font-family: var(--font-body);
  font-size: .9rem;
  outline: none;
  transition: border-color .25s;
  width: 100%;
  appearance: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: rgba(168, 163, 185, .4);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.form-submit {
  display: flex;
  align-items: center;
  gap: .6rem;
  background: var(--accent);
  color: var(--bg);
  font-family: var(--font-body);
  font-size: .9rem;
  font-weight: 600;
  padding: .9rem 2rem;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  width: fit-content;
  transition: background .25s, transform .2s;
}

.form-submit:hover {
  background: var(--accent-l);
  transform: translateY(-1px);
}

.form-submit:disabled {
  opacity: .6;
  cursor: not-allowed;
  transform: none;
}

/* ── FOOTER ─────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
}

footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-copy {
  font-size: .8rem;
  color: var(--text-muted);
}

.footer-logo {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--text-muted);
}

.footer-logo span {
  color: var(--accent);
}

/* ── WHATSAPP FLOAT ─────────────────────────────────── */
.wa-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 200;
  display: flex;
  align-items: center;
  gap: .75rem;
  text-decoration: none;
  opacity: 0;
  transform: translateY(12px) scale(.9);
  transition: opacity .4s var(--ease), transform .4s var(--ease);
  pointer-events: none;
}

.wa-float.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.wa-float-label {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: .5rem 1rem;
  font-size: .8rem;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  opacity: 0;
  transform: translateX(8px);
  transition: opacity .25s var(--ease), transform .25s var(--ease);
  pointer-events: none;
}

.wa-float:hover .wa-float-label {
  opacity: 1;
  transform: translateX(0);
}

.wa-float-btn {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, .3);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
  flex-shrink: 0;
  position: relative;
}

.wa-float:hover .wa-float-btn {
  transform: scale(1.08);
  box-shadow: 0 6px 28px rgba(37, 211, 102, .45);
}

.wa-float-btn svg {
  width: 26px;
  height: 26px;
  color: #fff;
}

.wa-float-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: rgba(37, 211, 102, .35);
  animation: wa-pulse 2.8s ease-out infinite;
}

@keyframes wa-pulse {
  0% {
    transform: scale(1);
    opacity: .7;
  }

  70% {
    transform: scale(1.55);
    opacity: 0;
  }

  100% {
    transform: scale(1.55);
    opacity: 0;
  }
}

/* ── TOAST ──────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  background: var(--bg-2);
  border: 1px solid rgba(168, 163, 185, .25);
  border-radius: 12px;
  padding: 1rem 1.5rem;
  font-size: .875rem;
  color: var(--text);
  z-index: 999;
  transform: translateY(100px);
  opacity: 0;
  transition: transform .4s var(--ease), opacity .4s;
  pointer-events: none;
  max-width: 300px;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* ── FADE-IN ANIMATION ──────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── RESPONSIVE SHARED ─────────────────────────────── */
@media (max-width: 640px) {
  .nav-links {
    display: none;
  }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 0;
    background: rgba(5, 9, 23, .97);
    backdrop-filter: blur(20px);
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    z-index: 99;
  }

  .nav-links.open a {
    font-size: 1.5rem;
  }

  .nav-toggle {
    display: flex;
    position: relative;
    z-index: 101;
  }

  footer .container {
    flex-direction: column;
    text-align: center;
  }
}