/* CSS Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  line-height: 1.6;
  font-family: "Inter", sans-serif;
  font-size: 15px;
  font-weight: 400;
  color: hsl(0, 0%, 100%);
  background-color: hsl(233, 47%, 7%);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 1rem;
}

/* Remove default styling */
ul,
ol {
  list-style: none;
}

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

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

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

/* CSS Custom Properties (Variables) */
:root {
  /* Primary Colors */
  --color-navy-950: hsl(233, 47%, 7%);
  --color-blue-950: hsl(244, 37%, 16%);
  --color-purple-500: hsl(277, 64%, 61%);

  /* Neutral Colors */
  --color-white: hsl(0, 0%, 100%);
  --color-white-75: hsla(0, 0%, 100%, 0.75);
  --color-white-60: hsla(0, 0%, 100%, 0.6);

  /* Typography */
  --font-inter: "Inter", sans-serif;
  --font-lexend: "Lexend Deca", sans-serif;
  --font-size-body: 15px;
  --font-weight-normal: 400;
  --font-weight-bold: 700;

  /* Layout */
  --mobile-width: 375px;
  --desktop-width: 1440px;
  --border-radius: 8px;
}

/* Component Container */
.component {
  width: 100%;
  max-width: var(--mobile-width);
  background-color: var(--color-blue-950);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

/* Typography Classes */
.heading-main {
  color: var(--color-white);
  font-family: var(--font-inter);
  font-weight: var(--font-weight-bold);
}

.text-main {
  color: var(--color-white-75);
  font-family: var(--font-inter);
  font-weight: var(--font-weight-normal);
  font-size: var(--font-size-body);
}

.text-stat-heading {
  color: var(--color-white-60);
  font-family: var(--font-lexend);
  font-weight: var(--font-weight-normal);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.text-stat-number {
  color: var(--color-white);
  font-family: var(--font-inter);
  font-weight: var(--font-weight-bold);
}

/* Accent Color Utility */
.accent {
  color: var(--color-purple-500);
}

/* Card Styles */
.main {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.stats-card {
  display: flex;
  max-width: 1110px;
  width: 100%;
  background-color: var(--color-blue-950);
  border-radius: 0.7rem;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.stats-card__content {
  flex: 1;
  padding: 4.5rem 5rem 4rem 4.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.stats-card__header {
  margin-bottom: 4.5rem;
}

.stats-card__title {
  font-size: 2.25rem;
  line-height: 1.2;
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-bottom: 1.5rem;
  max-width: 440px;
}

.stats-card__title-accent {
  color: var(--color-purple-500);
}

.stats-card__description {
  font-size: var(--font-size-body);
  line-height: 1.67;
  color: var(--color-white-75);
  max-width: 370px;
  font-weight: var(--font-weight-normal);
}

.stats-card__stats {
  display: flex;
  gap: 3.75rem;
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat__number {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-bottom: 0.125rem;
}

.stat__label {
  font-family: var(--font-lexend);
  font-size: 0.75rem;
  font-weight: var(--font-weight-normal);
  color: var(--color-white-60);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.stats-card__image-wrapper {
  flex: 1;
  position: relative;
  min-height: 446px;
}

.stats-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.stats-card__image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-purple-500);
  mix-blend-mode: multiply;
  opacity: 0.8;
}

/* Attribution footer styles */
.attribution {
  text-align: center;
  padding: 2rem 0;
  margin-top: auto;
  font-size: 11px;
  color: var(--color-white-60);
  font-family: var(--font-inter);
}

.attribution a {
  color: var(--color-purple-500);
  text-decoration: underline;
  transition: color 0.3s ease;
}

.attribution a:hover {
  color: var(--color-white);
}

/* Mobile Responsive Design */
@media (max-width: 767px) {
  body {
    padding: 0.5rem;
  }

  .stats-card {
    flex-direction: column-reverse;
    max-width: 90vw;
    text-align: center;
  }

  .stats-card__content {
    padding: 2rem 2rem 2rem;
  }

  .stats-card__header {
    margin-bottom: 2.5rem;
  }

  .stats-card__title {
    font-size: 1.75rem;
    line-height: 1.14;
    margin: 0 auto 1rem auto;
  }

  .stats-card__description {
    max-width: none;
    margin-bottom: 0.5rem;
  }

  .stats-card__stats {
    gap: 1.5rem;
    margin: auto;
    /* flex-direction: column;   */
    /* Uncomment if you want them stacked */
  }

  .stats-card__image-wrapper {
    min-height: 240px;
  }

  .attribution {
    padding: 1rem 0;
  }
}

/* Medium Mobile Screens */
@media (min-width: 400px) and (max-width: 600px) {
  body {
    padding: 0.5rem;
  }

  .stats-card {
    max-width: 90vw;
  }
}

/* Focus States for Accessibility */
button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--color-purple-500);
  outline-offset: 2px;
}

/* Screen Reader Only Content */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}