/* =========================================
   base.css — Variables, Reset y Utilidades
   ========================================= */

@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&display=swap");

html {
  scroll-behavior: smooth;
}

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

body {
  font-family: "Poppins", sans-serif;
  color: var(--text-main);
  line-height: 1.6;
  background-color: var(--bg-light);
}

:root {
  /* Primary Colors */
  --primary: #2091f9;
  --primary-dark: #1d293f;
  --accent: #ff3d81;
  --text-main: #001a49;
  --text-light: #555;

  /* Backgrounds */
  --bg-light: #f8fafc;
  --bg-white: #ffffff;

  /* Glassmorphism Tokens */
  --glass-bg: rgba(255, 255, 255, 0.4);
  --glass-border: rgba(255, 255, 255, 0.5);
  --glass-blur: blur(12px);

  /* Shadow & Radius */
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-premium: 0 20px 40px rgba(0, 0, 0, 0.1);
  --radius-md: 12px;
  --radius-lg: 20px;

  --padding-container: 60px 0;
  --color-title: var(--text-main);
}

/* Dark Mode Overrides */
body.dark-mode {
  --bg-light: #0f172a;
  --bg-white: #1e293b;
  --text-main: #f8fafc;
  --text-light: #cbd5e1;
  --primary-dark: #020617;
  --glass-bg: rgba(30, 41, 59, 0.7);
  --glass-border: rgba(255, 255, 255, 0.1);
}

a {
  text-decoration: none;
  color: black;
  transition: all 0.3s ease;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--padding-container);
}

.subtitle {
  color: var(--color-title);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 20px;
  position: relative;
  display: inline-block;
}

.subtitle::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--primary);
  border-radius: 2px;
}

.btn {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  text-decoration: none;
  padding: 16px 40px;
  border-radius: 50px;
  font-weight: 600;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 15px rgba(32, 145, 249, 0.4);
}

.btn:hover {
  transform: translateY(-3px) scale(1.05);
  background: #fff;
  color: var(--primary);
  box-shadow: 0 10px 25px rgba(255, 255, 255, 0.3);
}

.btn--white {
  background: #fff;
  color: var(--primary-dark);
}

.btn--white:hover {
  background: var(--primary);
  color: #fff;
}