/* Design tokens — blog section */
:root {
  /* Colors */
  --color-bg: #000000;
  --color-text: #ffffff;
  --color-cta: #e31e24;
  --color-whatsapp: #25d366;

  /* Layout */
  --container-max-width: 1440px;

  /* Typography — mobile (default) */
  --font-family: "Hanken Grotesk", "Inter", system-ui, sans-serif;
    sans-serif;
  --font-size-title: 16px;
  --line-height-title: 22px;
  --letter-spacing-title: -0.4px;
  --font-size-button: 13px;
  --line-height-button: 18px;
  --font-size-float: 14px;
  --line-height-float: 20px;

  /* Spacing */
  --space-section-y: 40px;
  --space-section-x: 16px;
  --grid-gap-x: 20px;
  --grid-gap-y: 32px;
  --card-image-radius: 12px;
  --card-title-margin-top: 12px;
  --card-cta-margin-top: 12px;
}

/* Tablet */
@media (min-width: 768px) and (max-width: 1023px) {
  :root {
    --font-size-title: 18px;
    --line-height-title: 24px;
    --letter-spacing-title: -0.45px;
    --font-size-button: 14px;
    --line-height-button: 20px;
    --font-size-float: 15px;
    --line-height-float: 22px;

    --space-section-y: 48px;
    --space-section-x: 32px;
    --grid-gap-x: 24px;
    --grid-gap-y: 40px;
    --card-title-margin-top: 14px;
    --card-cta-margin-top: 14px;
  }
}

/* Desktop */
@media (min-width: 1024px) {
  :root {
    --font-size-title: 20px;
    --line-height-title: 25px;
    --letter-spacing-title: -0.5px;
    --font-size-button: 14px;
    --line-height-button: 20px;
    --font-size-float: 16px;
    --line-height-float: 24px;

    --space-section-y: 64px;
    --space-section-x: 48px;
    --grid-gap-x: 32px;
    --grid-gap-y: 48px;
    --card-title-margin-top: 16px;
    --card-cta-margin-top: 16px;
  }
}

/* Large screens */
@media (min-width: 1920px) {
  :root {
    --font-size-title: 22px;
    --line-height-title: 28px;
    --letter-spacing-title: -0.55px;
    --font-size-button: 15px;
    --line-height-button: 22px;
    --font-size-float: 18px;
    --line-height-float: 26px;

    --space-section-y: 80px;
    --space-section-x: 64px;
    --grid-gap-x: 40px;
    --grid-gap-y: 56px;
    --card-title-margin-top: 20px;
    --card-cta-margin-top: 20px;
  }
}
/* ==================================================
   RESET & BASE
   ================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-family);
  background-color: var(--color-bg);
  color: var(--color-text);
}

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

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

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ==================================================
   PAGE LAYOUT
   ================================================== */

.page {
  position: relative;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-inline: auto;
  padding-inline: var(--space-section-x);
  padding-block: var(--space-section-y);
}

/* ==================================================
   BLOG SECTION — GRID
   ================================================== */

.blog-section {
  width: 100%;
}

.blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  column-gap: var(--grid-gap-x);
  row-gap: var(--grid-gap-y);
}

/* Tablet: 2 columns */
@media (min-width: 768px) and (max-width: 1023px) {
  .blog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Desktop: 3 columns */
@media (min-width: 1024px) {
  .blog-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ==================================================
   BLOG CARD
   ================================================== */

.blog-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.blog-card__media {
  border-radius: var(--card-image-radius);
  overflow: hidden;
  box-shadow:
    0 4px 6px -4px rgba(0, 0, 0, 0.1),
    0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.blog-card__image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.blog-card__title {
  margin: var(--card-title-margin-top) 0 0;
  font-size: var(--font-size-title);
  line-height: var(--line-height-title);
  letter-spacing: var(--letter-spacing-title);
  font-weight: 800;
}

.blog-card__cta-wrap {
  margin-top: var(--card-cta-margin-top);
}

.blog-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 6px;
  background-color: var(--color-cta);
  color: var(--color-text);
  font-size: var(--font-size-button);
  line-height: var(--line-height-button);
  font-weight: 700;
  transition: opacity 0.2s ease;
}

.blog-card__cta:hover {
  opacity: 0.9;
}

.blog-card__cta:focus-visible {
  outline: 2px solid var(--color-text);
  outline-offset: 2px;
}

.blog-card__cta-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ==================================================
   WHATSAPP FLOAT
   ================================================== */

.whatsapp-float {
  position: fixed;
  right: var(--space-section-x);
  bottom: 24px;
  z-index: 100;
}

.whatsapp-float__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-radius: 9999px;
  background-color: var(--color-whatsapp);
  color: var(--color-text);
  font-size: var(--font-size-float);
  line-height: var(--line-height-float);
  font-weight: 700;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.whatsapp-float__link:hover {
  transform: translateY(-2px);
  opacity: 0.95;
}

.whatsapp-float__link:focus-visible {
  outline: 2px solid var(--color-text);
  outline-offset: 2px;
}

.whatsapp-float__icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

/* Large screens: more breathing room for float */
@media (min-width: 1920px) {
  .whatsapp-float {
    bottom: 32px;
  }
}

/* Mobile: compact float button */
@media (max-width: 767px) {
  .whatsapp-float__text {
    display: none;
  }

  .whatsapp-float__link {
    padding: 12px;
    border-radius: 50%;
  }
}