/* === VARIABLES (COLORES Y TIPOGRAFÍA) === */
:root {
  --color-main: #002E3D;
  --color-maindepth: #00475E;
  --color-buttons: #2F809C;
  --color-contrastdepth: #BCD7E0;
  --color-contrast: #FFFFFF;
  --color-warning: #baff00;

  --font-primary: 'Outfit', sans-serif;
}

/* === FUENTES === */
@font-face {
  font-family: 'Outfit';
  src: url('./fonts/Outfit-Light.ttf') format('truetype');
  font-weight: 300;
}
@font-face {
  font-family: 'Outfit';
  src: url('./fonts/Outfit-SemiBold.ttf') format('truetype');
  font-weight: 600;
}
@font-face {
  font-family: 'Outfit';
  src: url('./fonts/Outfit-Black.ttf') format('truetype');
  font-weight: 900;
}

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

/* === ESTILOS BASE === */
body {
  font-family: var(--font-primary);
  background-color: var(--color-main);
  color: var(--color-contrast);
  font-size: 1.125rem; /* 18px */
  font-weight: 300;
  line-height: 1.7;
}

h1 {
  font-family: var(--font-primary);
  font-size: 2.5rem; /* 60px */
  font-weight: 900;
  line-height: 1;
  padding: 2rem 0.7rem 2rem 0.7rem;
}

a {
  text-decoration: underline;
  color: inherit;
}

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

p {
  margin: 0.7rem;
}

.left {
  text-align: left;
}

b {
  font-weight: 600;
}

/* === LAYOUT SIMPLE === */
.container {
  max-width: 1200px;
  margin: 1rem;
}

.section {
  padding: 5rem 0;
  text-align: center;
  background-position: center;
}

.narrow {
  padding: 0 0 5rem 0;
  text-align: center;
  background-position: center;
}

/* === COMPONENTES BÁSICOS === */
.hero {
  background-color: var(--color-maindepth);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.button {
  display: inline-block;
  font-family: var(--font-primary);
  background-color: var(--color-buttons);
  color: var(--color-contrast);
  padding: 0.75rem 1.25rem;
  margin-top: 2rem;
  font-size: 1.2rem;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  transition: background-color 0.5s ease;
}

.dark {
    background-color: var(--color-contrast);
    color: var(--color-buttons);
}

.warning {
    background-color: var(--color-warning);
    color: var(--color-buttons);
}

.button:hover {
  background-color: var(--color-main);
}

.footer {
  background-color: var(--color-main);
  padding: 1rem;
  font-size: 0.8rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.portfolio-grid {
  display: grid;
  gap: 1rem;
  padding: 1rem;
}

/* Responsive layout */
@media (min-width: 768px) {
  .portfolio-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
  .portfolio-grid img {
    border-radius: 0;
    box-shadow: 0 0 0 rgba(0,0,0,0);
  }
}

@media (max-width: 767px) {
  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 0;
    padding: 0;
  }
  .portfolio-grid img {
    width: 100%;
    display: block;
  }
}