/* ========================================
   VARIABLES & RESET
   ======================================== */

:root {
  --soft-orange: hsl(35, 77%, 62%);
  --soft-red: hsl(5, 85%, 63%);
  --off-white: hsl(36, 100%, 99%);
  --grayish-blue: hsl(233, 8%, 79%);
  --dark-grayish-blue: hsl(236, 13%, 42%);
  --very-dark-blue: hsl(240, 100%, 5%);
}

@font-face {
  font-family: Inter;
  src: url(./assets/fonts/Inter-VariableFont_slnt\,wght.ttf) format("truetype");
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Inter, sans-serif;
  background-color: var(--off-white);
  color: var(--dark-grayish-blue);
  margin: 0;
  padding: 0;
}

body.menu-open {
  overflow: hidden;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  line-height: 1.2;
}

.headline {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--very-dark-blue);
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--soft-orange);
}

.new-article-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--off-white);
}

.trending-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--soft-red);
}

.trending-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--very-dark-blue);
}

p {
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0.5rem 0;
}

a {
  color: var(--soft-red);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--soft-orange);
}

/* ========================================
   BUTTONS
   ======================================== */

.button {
  display: inline-block;
  padding: 0.85rem 2rem;
  background-color: var(--soft-red);
  color: var(--off-white);
  border: none;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background-color 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--very-dark-blue);
}

.button:hover {
  background-color: var(--very-dark-blue);
}

/* ========================================
   HEADER & NAVIGATION
   ======================================== */

.header {
  padding: 1.5rem 0;
  background-color: var(--off-white);
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 1.5rem;
}

.logo {
  font-size: 2rem;
  font-weight: 700;
}

.logo img {
  height: auto;
  display: block;
}

.nav {
  display: flex;
  gap: 2.5rem;
}

.nav-link {
  color: var(--dark-grayish-blue);
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-link:hover {
  color: var(--soft-red);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  line-height: 0;
  position: relative;
  z-index: 10;
}

body.menu-open .menu-toggle {
  opacity: 0;
  pointer-events: none;
}

.menu-toggle img,
.menu-close img {
  display: block;
  height: auto;
}

.menu-toggle:focus-visible,
.menu-close:focus-visible,
.mobile-link:focus-visible,
.nav-link:focus-visible,
.button:focus-visible {
  outline: 2px solid var(--soft-red);
  outline-offset: 4px;
}

.mobile-menu {
  position: fixed;
  inset: 0;
  display: flex;
  justify-content: flex-end;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.25s ease,
    visibility 0.25s ease;
  z-index: 100;
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.mobile-menu-backdrop {
  position: absolute;
  inset: 0;
  border: none;
  background: rgba(0, 0, 26, 0.5);
  cursor: pointer;
}

.mobile-drawer {
  position: relative;
  width: min(68vw, 280px);
  min-height: 100vh;
  background-color: var(--off-white);
  flex-direction: column;
  display: flex;
  padding: 1.75rem 1.5rem 2rem;
  gap: 1.5rem;
  transform: translateX(100%);
  transition: transform 0.25s ease;
}

.mobile-menu.active .mobile-drawer {
  transform: translateX(0);
}

.menu-close {
  align-self: flex-end;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  margin-bottom: 3.5rem;
}

.mobile-link {
  color: var(--very-dark-blue);
  font-weight: 400;
  font-size: 1.15rem;
  padding: 0.1rem 0;
}

.mobile-link:hover {
  color: var(--soft-red);
}

/* ========================================
   MAIN CONTENT
   ======================================== */

.main-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

/* Featured Section */
.featured-section {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
  margin-bottom: 4rem;
}

.featured-image {
  grid-column: 1 / 2;
  grid-row: 1;
}

.featured-image img {
  width: 100%;
  height: auto;
  display: block;
}

.featured-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  grid-column: 1 / 2;
  grid-row: 2;
  align-items: start;
}

.featured-description {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.featured-description p {
  color: var(--dark-grayish-blue);
  font-size: 1rem;
}

/* Sidebar */
.sidebar {
  grid-column: 2 / 3;
  grid-row: 1 / 3;
  background-color: var(--very-dark-blue);
  padding: 2rem;
}

.new-section {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.new-article {
  border-bottom: 1px solid var(--grayish-blue);
  padding-bottom: 1.5rem;
}

.new-article:last-child {
  border-bottom: none;
}

.new-article-text {
  color: var(--grayish-blue);
  font-size: 0.95rem;
  margin-top: 0.5rem;
}

/* Trending Section */
.trending-section {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.trending-article {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.trending-article img {
  width: 100px;
  min-width: 100px;
  height: auto;
}

.trending-content {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.trending-description {
  color: var(--dark-grayish-blue);
  font-size: 0.9rem;
}

/* ========================================
   FOOTER
   ======================================== */

.attribution {
  text-align: center;
  padding: 3rem 1.5rem;
  font-size: 0.9rem;
  color: var(--grayish-blue);
  border-top: 1px solid var(--grayish-blue);
  margin-top: 4rem;
}

.attribution a {
  color: var(--soft-red);
  font-weight: 600;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media screen and (max-width: 768px) {
  .header-content {
    padding: 0 1rem;
  }

  .nav {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .menu-toggle img {
    width: 40px;
  }

  .main-content {
    padding: 2rem 1rem;
  }

  .featured-section {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .featured-image {
    grid-column: 1;
    grid-row: 1;
  }

  .featured-content {
    grid-column: 1;
    grid-row: 2;
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .sidebar {
    grid-column: 1;
    grid-row: 3;
    padding: 1.5rem;
  }

  .trending-section {
    grid-template-columns: 1fr;
  }

  .headline {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.5rem;
  }
}

@media screen and (max-width: 480px) {
  .header {
    padding: 1rem 0;
  }

  .header-content {
    padding: 0 1rem;
  }

  .logo {
    font-size: 1.5rem;
  }

  .mobile-drawer {
    width: min(68vw, 255px);
    padding: 1.7rem 1.35rem 2rem;
  }

  .menu-close {
    margin-bottom: 3rem;
  }

  .main-content {
    padding: 1.5rem 1rem;
  }

  .featured-section {
    margin-bottom: 3rem;
  }

  .headline {
    font-size: 1.75rem;
  }

  .section-title {
    font-size: 1.25rem;
  }

  .new-article-title,
  .trending-title {
    font-size: 0.95rem;
  }

  p {
    font-size: 0.9rem;
  }

  .trending-article {
    gap: 1rem;
  }

  .trending-article img {
    width: 80px;
    min-width: 80px;
  }

  .attribution {
    padding: 2rem 1rem;
    font-size: 0.8rem;
  }
}