:root {
  --background: #01050b;
  --surface: #061221;
  --foreground: #f5f8fc;
  --muted: #aebccc;
  --line: rgba(117, 190, 255, 0.36);
  --blue: #50aaff;
  --cyan: #79e6ff;
  --silver: #dce7f3;
  --whatsapp: #72ef92;
}

* { box-sizing: border-box; }
html { min-height: 100%; background: var(--background); }
body {
  min-height: 100%;
  margin: 0;
  color: var(--foreground);
  background: var(--background);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 20;
  padding: 10px 14px;
  border-radius: 8px;
  color: #00101e;
  background: #fff;
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }

.landing {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(circle at 50% 34%, rgba(14, 93, 160, 0.18), transparent 36%),
    radial-gradient(circle at 50% 100%, rgba(5, 43, 78, 0.22), transparent 40%),
    linear-gradient(180deg, #01040a 0%, #020914 60%, #01050b 100%);
}

.stars {
  position: absolute;
  inset: -20%;
  z-index: -1;
  pointer-events: none;
  will-change: transform;
}
.stars-far {
  opacity: 0.42;
  background-image:
    radial-gradient(circle, rgba(255,255,255,.86) 0 1px, transparent 1.2px),
    radial-gradient(circle, rgba(121,214,255,.72) 0 1px, transparent 1.25px),
    radial-gradient(circle, rgba(189,211,255,.5) 0 .8px, transparent 1px);
  background-position: 18px 26px, 102px 80px, 54px 132px;
  background-size: 190px 135px, 265px 185px, 230px 170px;
  animation: drift-far 58s linear infinite;
}
.stars-near {
  opacity: 0.25;
  background-image:
    radial-gradient(circle, rgba(255,255,255,.95) 0 1.35px, transparent 1.65px),
    radial-gradient(circle, rgba(92,199,255,.82) 0 1.1px, transparent 1.4px);
  background-position: 40px 60px, 138px 24px;
  background-size: 320px 245px, 370px 280px;
  animation: drift-near 41s linear infinite;
}

.hero {
  width: min(100%, 1120px);
  min-height: 100svh;
  margin: 0 auto;
  padding: clamp(38px, 6vh, 70px) 24px 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.brand-rule {
  position: relative;
  width: min(76vw, 360px);
  height: 1px;
  margin-bottom: clamp(28px, 4vh, 44px);
  background: linear-gradient(90deg, transparent, var(--line) 18%, rgba(223,239,255,.8) 50%, var(--line) 82%, transparent);
}
.brand-rule span {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 8px;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  background: #061321;
  box-shadow: 0 0 10px rgba(91, 195, 255, .65);
  transform: translate(-50%, -50%);
}

.logo-link {
  display: block;
  border-radius: 50%;
  outline-offset: 10px;
  filter: drop-shadow(0 18px 28px rgba(0, 93, 190, .2));
  transition: transform 220ms ease, filter 220ms ease;
}
.logo-link:hover {
  transform: translateY(-3px) scale(1.01);
  filter: drop-shadow(0 20px 34px rgba(0, 145, 255, .3));
}
.logo {
  display: block;
  width: clamp(230px, 34vw, 390px);
  height: auto;
}

.brand-copy { margin-top: clamp(26px, 4.5vh, 46px); }
.brand-copy h1 {
  margin: 0;
  color: #f5f8fc;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.7rem, 4.1vw, 3rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: clamp(.09em, .65vw, .2em);
  text-transform: uppercase;
  text-wrap: balance;
  text-shadow: 0 2px 18px rgba(117, 195, 255, .15);
}
.brand-copy p {
  margin: 18px 0 0;
  color: var(--silver);
  font-size: clamp(.76rem, 1.4vw, 1rem);
  font-weight: 300;
  letter-spacing: clamp(.2em, .65vw, .34em);
  text-transform: uppercase;
}

.whatsapp-button {
  min-width: min(100%, 328px);
  margin-top: clamp(36px, 5vh, 52px);
  padding: 14px 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 13px;
  border: 1px solid rgba(210, 232, 250, .7);
  border-radius: 999px;
  color: #f7fbff;
  background: linear-gradient(180deg, rgba(39, 103, 158, .48), rgba(5, 31, 57, .82)), var(--surface);
  box-shadow: inset 0 0 0 2px rgba(91, 164, 222, .18), inset 0 1px 0 rgba(255,255,255,.25), 0 12px 34px rgba(0,0,0,.26);
  text-decoration: none;
  font-size: .96rem;
  font-weight: 400;
  letter-spacing: .01em;
  outline-offset: 5px;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}
.whatsapp-button svg {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: var(--whatsapp);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 0 7px rgba(74, 238, 116, .38));
}
.whatsapp-button:hover {
  transform: translateY(-2px);
  border-color: rgba(128, 231, 255, .95);
  box-shadow: inset 0 0 0 2px rgba(91,164,222,.22), 0 0 24px rgba(58,155,230,.18), 0 15px 34px rgba(0,0,0,.3);
}

.social-section {
  width: 100%;
  margin-top: clamp(54px, 8vh, 84px);
}
.section-title {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 20px;
}
.section-title span {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(78,161,224,.65));
}
.section-title span:last-child { transform: scaleX(-1); }
.section-title h2 {
  margin: 0;
  color: #edf5fc;
  font-size: .82rem;
  font-weight: 300;
  letter-spacing: .35em;
  text-transform: uppercase;
}

.social-links {
  width: min(100%, 760px);
  margin: 28px auto 0;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
}
.social {
  --social-color: var(--blue);
  min-width: 0;
  padding: 8px 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: #cdd8e4;
  text-decoration: none;
  font-size: .7rem;
  font-weight: 300;
  outline-offset: 4px;
  transition: color 180ms ease, transform 180ms ease;
}
.social svg {
  width: 42px;
  height: 42px;
  padding: 8px;
  overflow: visible;
  fill: none;
  stroke: var(--social-color);
  stroke-width: 1.55;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 0 6px color-mix(in srgb, var(--social-color), transparent 45%));
}
.social svg .fill,
.social-tiktok svg,
.social-telegram svg { fill: var(--social-color); stroke: none; }
.social:hover { color: #fff; transform: translateY(-3px); }
.social-facebook { --social-color: #5da2ff; }
.social-instagram { --social-color: #d787ff; }
.social-tiktok { --social-color: #70f2f1; }
.social-youtube { --social-color: #ff6978; }
.social-telegram { --social-color: #55c6ff; }
.social-whatsapp { --social-color: #72ef92; }

.logo-link:focus-visible,
.whatsapp-button:focus-visible,
.social:focus-visible { outline: 2px solid var(--cyan); }

.domain {
  margin: clamp(34px, 5vh, 52px) 0 0;
  color: #72869a;
  font-size: .66rem;
  letter-spacing: .3em;
}

@keyframes drift-far { to { transform: translate3d(9%, 7%, 0); } }
@keyframes drift-near { to { transform: translate3d(-8%, 10%, 0); } }

@media (max-width: 720px) {
  .hero { padding: 42px 18px 24px; justify-content: flex-start; }
  .brand-rule { margin-bottom: 30px; }
  .logo { width: min(72vw, 310px); }
  .brand-copy { margin-top: 32px; }
  .brand-copy h1 { max-width: 360px; font-size: clamp(1.4rem, 6.5vw, 2rem); letter-spacing: .11em; }
  .brand-copy p { margin-top: 15px; font-size: .7rem; letter-spacing: .22em; }
  .whatsapp-button { width: min(100%, 330px); margin-top: 36px; }
  .social-section { margin-top: 54px; }
  .section-title { gap: 13px; }
  .section-title h2 { font-size: .72rem; letter-spacing: .28em; }
  .social-links { width: min(100%, 390px); grid-template-columns: repeat(3, 1fr); row-gap: 18px; }
}

@media (max-width: 380px) {
  .hero { padding-inline: 14px; }
  .brand-copy h1 { font-size: 1.28rem; }
  .whatsapp-button { padding-inline: 17px; }
  .social-links { gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  .stars,
  .logo-link,
  .whatsapp-button,
  .social { animation: none; transition: none; }
}