/* Theme Variables */
:root {
    --radius: 14px;
    --shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    --font-main: -apple-system, "Space Grotesk", sans-serif;
}

/* Dark */
[data-theme="dark"] {
    --bg: #0b0b0b;
    --bg-overlay: rgba(11, 11, 11, 0.75);
    --card-bg-1: rgba(20, 30, 55, 0.95);
    --card-bg-2: rgba(10, 15, 35, 0.95);

    --primary: rgba(65, 105, 225, 1);
    --primary-soft: rgba(65, 105, 225, 0.6);
    --primary-faint: rgba(65, 105, 225, 0.25);

    --text-main: #eef2f3;
    --text-soft: rgba(238, 242, 243, 0.8);
}

/* Light */
[data-theme="light"] {
    --bg: #f4f6f8;
    --bg-overlay: rgba(255, 255, 255, 0.8);
    --card-bg-1: rgba(255, 255, 255, 0.95);
    --card-bg-2: rgba(240, 242, 248, 0.95);

    --primary: #4169e1;
    --primary-soft: rgba(65, 105, 225, 0.5);
    --primary-faint: rgba(65, 105, 225, 0.2);

    --text-main: #1b1f24;
    --text-soft: rgba(27, 31, 36, 0.75);
}

/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Body */
body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    font-family: var(--font-main);
    color: var(--text-main);

    background:
        linear-gradient(var(--bg-overlay), var(--bg-overlay)),
        url("/img/background.webp") center / cover no-repeat;
}

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    background: none;
    border: 1px solid var(--primary-soft);
    color: var(--text-main);
    border-radius: 8px;
    padding: 6px 10px;
    cursor: pointer;
}

/* Layout */
.layout {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
}

/* Card */

.card {
    position: relative;
    width: min(420px, 92vw);
    padding: 36px 28px;
    border-radius: var(--radius);
    background: linear-gradient(160deg, var(--card-bg-1), var(--card-bg-2));
    box-shadow: var(--shadow);
    overflow: hidden;
}

.card::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    border: 2px solid var(--primary-soft);
    animation: borderPulse 3s ease-in-out infinite;
}

.card-inner {
    position: absolute;
    inset: 10px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.03);
}

.card-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    text-align: center;
}

/* Hero */

.hero-logo {
    width: 60px;
    opacity: 0.9;
}

.hero-name {
    font-size: clamp(1.2rem, 5vw, 1.8rem);
    font-weight: 800;
    color: var(--primary);
}

.hero-text {
    max-width: 30ch;
    color: var(--text-soft);
}

.hero-text {
  display: block;
  white-space: nowrap;
  overflow: hidden;
  box-sizing: border-box;
}

.hero-text span {
  display: inline-block;
  padding-left: 100%;
  animation: scrollText 20s linear infinite;
}

.hero-text:hover span {
  animation-play-state: paused;
}


hr {
    width: 80px;
    border: none;
    border-top: 2px solid var(--primary-soft);
}

/* Button */
.btn {
    background: linear-gradient(135deg, var(--primary), var(--primary-soft));
    color: #071018;
    padding: 10px 18px;
    border-radius: 8px;
    font-weight: 600;
    border: none;
    cursor: default;
}

.dots::after {
    content: "";
    animation: dots 1.5s steps(3, end) infinite;
}

/* Page Footer */
.page-footer a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  cursor: pointer;
  transition: color 0.25s ease;
}

/* Subrayado animado */
.page-footer a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}

/* Hover */
.page-footer a:hover {
  color: var(--primary-soft);
}

.page-footer a:hover::after {
  transform: scaleX(1);
}

/* Focus (accesibilidad) */
.page-footer a:focus-visible {
  outline: none;
}

.page-footer a:focus-visible::after {
  transform: scaleX(1);
}

/* Active (click) */
.page-footer a:active {
  color: var(--primary);
}

/* Animations */

@keyframes borderPulse {

    0%,
    100% {
        opacity: 0.5;
    }

    50% {
        opacity: 1;
    }
}

@keyframes dots {
    0% {
        content: "";
    }

    33% {
        content: ".";
    }

    66% {
        content: "..";
    }

    100% {
        content: "...";
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
    }
}

@keyframes scrollText {
  0% {
    transform: translateX(0%);
  }
  100% {
    transform: translateX(-100%);
  }
}