:root {
  --primary: #1a365d;
  --secondary: #2b6cb0;
  --accent: #e53e3e;
  --text: #2d3748;
  --gray: #718096;
  --light: #f7fafc;
  --white: #ffffff;
}

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

body {
  font-family: 'Inter', -apple-system, sans-serif;
  color: var(--text);
  line-height: 1.6;
  background-color: #f0f2f5;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* TOP BAR */
.top-bar {
  background: var(--primary);
  color: white;
  font-size: 12px;
  padding: 8px 0;
  font-weight: 600;
}
.top-bar__inner { display: flex; justify-content: space-between; align-items: center; }
.breaking-label { background: var(--accent); padding: 2px 8px; border-radius: 3px; margin-right: 10px; text-transform: uppercase; }

/* HEADER */
.header {
  background: var(--white);
  padding: 25px 0;
  border-bottom: 1px solid #e2e8f0;
  position: sticky;
  top: 0;
  z-index: 100;
}
.header__inner { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 28px; font-weight: 800; color: var(--primary); text-decoration: none; letter-spacing: -1px; }
.logo span { color: var(--secondary); }

.nav a {
  text-decoration: none;
  color: var(--text);
  margin-left: 25px;
  font-weight: 600;
  font-size: 15px;
  transition: color 0.2s;
}
.nav a:hover { color: var(--secondary); }

/* HAMBURGER — pure CSS checkbox toggle */
.nav-toggle { display: none; }
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.nav-toggle:checked + .hamburger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle:checked + .hamburger span:nth-child(2) { opacity: 0; }
.nav-toggle:checked + .hamburger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* HERO SECTION */
.hero-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 30px;
  margin: 40px 0;
}

.main-featured {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  height: 500px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}
.main-featured__img { width: 100%; height: 100%; object-fit: cover; }
.main-featured__overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 40px;
  background: linear-gradient(transparent, rgba(0,0,0,0.9));
  color: white;
}
.main-featured__tag { background: var(--accent); padding: 4px 12px; border-radius: 4px; font-size: 12px; font-weight: 700; text-transform: uppercase; }
.main-featured__title { font-size: 36px; line-height: 1.1; margin: 15px 0; font-weight: 800; }

/* SIDEBAR */
.side-featured { display: flex; flex-direction: column; gap: 20px; }
.side-card {
  display: flex;
  background: white;
  border-radius: 8px;
  overflow: hidden;
  height: 150px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.05);
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s;
}
.side-card:hover { transform: translateY(-3px); }
.side-card__img { width: 120px; height: 100%; object-fit: cover; flex-shrink: 0; }
.side-card__content { padding: 15px; display: flex; flex-direction: column; justify-content: center; }
.side-card__title { font-size: 16px; font-weight: 700; line-height: 1.3; margin-bottom: 8px; color: var(--primary); }

/* SECTION TITLES */
.section-head {
  display: flex;
  align-items: center;
  margin: 50px 0 25px;
  border-bottom: 2px solid var(--primary);
  padding-bottom: 10px;
}
.section-head h2 { font-size: 22px; color: var(--primary); text-transform: uppercase; letter-spacing: 1px; }

/* ARTICLE GRID */
.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 30px;
  margin-bottom: 50px;
}

.card {
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
  transition: transform 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.card:hover { transform: translateY(-5px); }
.card__img { height: 200px; width: 100%; object-fit: cover; }
.card__content { padding: 25px; flex-grow: 1; display: flex; flex-direction: column; }
.card__tag { display: inline-block; font-size: 11px; font-weight: 700; text-transform: uppercase; color: var(--secondary); margin-bottom: 10px; letter-spacing: 0.5px; }
.card__title { font-size: 20px; font-weight: 700; line-height: 1.3; color: var(--primary); margin-bottom: 12px; }
.card__excerpt { font-size: 14px; color: var(--gray); margin-bottom: 20px; }

/* FOOTER */
.footer { background: var(--primary); color: white; padding: 80px 0 40px; }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 50px; margin-bottom: 50px; }
.footer__title { font-size: 18px; font-weight: 700; margin-bottom: 25px; border-left: 3px solid var(--secondary); padding-left: 15px; }
.footer__links { list-style: none; }
.footer__links li { margin-bottom: 12px; }
.footer__links a { color: #cbd5e0; text-decoration: none; font-size: 14px; }
.footer__links a:hover { color: white; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 30px; text-align: center; font-size: 13px; color: #a0aec0; }

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

/* Tablet (≤900px) */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .main-featured { height: 420px; }
  .main-featured__title { font-size: 28px; }
  .footer__grid { grid-template-columns: 1fr; gap: 30px; }
  .footer { padding: 50px 0 30px; }
}

/* Mobile (≤768px) */
@media (max-width: 768px) {
  /* Top bar */
  .top-bar { font-size: 11px; padding: 6px 0; }
  .top-bar__inner { flex-direction: column; gap: 3px; text-align: center; }
  .top-bar__inner > div:last-child { display: none; }

  /* Header */
  .header { padding: 14px 0; }
  .header__inner { flex-wrap: wrap; align-items: center; }

  /* Logo */
  .logo { font-size: 22px; }

  /* Show hamburger */
  .hamburger { display: flex; }

  /* Nav: hidden → dropdown on toggle */
  .nav {
    display: none;
    order: 3;
    width: 100%;
    flex-direction: column;
    margin-top: 12px;
    padding: 6px 0;
    border-top: 2px solid #e2e8f0;
    background: white;
  }
  .nav a {
    margin-left: 0;
    padding: 13px 4px;
    border-bottom: 1px solid #f0f4f8;
    font-size: 15px;
    display: block;
    width: 100%;
  }
  .nav a:last-child { border-bottom: none; }
  .nav-toggle:checked ~ .nav { display: flex; }

  /* Hero */
  .main-featured { height: 270px; }
  .main-featured__title { font-size: 20px; line-height: 1.2; }
  .main-featured__overlay { padding: 20px; }

  /* Article grid: single column */
  .article-grid { grid-template-columns: 1fr !important; gap: 20px; }
  .article-grid > * { grid-column: span 1 !important; }

  /* Wide card: stack image above text */
  .card--wide__inner { flex-direction: column !important; height: auto !important; }
  .card--wide__img {
    width: 100% !important;
    height: 200px !important;
    border-radius: 8px 8px 0 0 !important;
  }

  /* Section heads */
  .section-head { margin: 30px 0 18px; }
  .section-head h2 { font-size: 18px; }

  /* Post article containers */
  .deep-article, .money-article { padding: 25px 18px !important; }
  main.container { padding-top: 25px !important; padding-bottom: 25px !important; }
  article h1 { font-size: 26px !important; line-height: 1.2 !important; }

  /* Footer */
  .footer { padding: 35px 0 20px; }
  .footer__grid { gap: 20px; }
}

/* Small mobile (≤480px) */
@media (max-width: 480px) {
  .container { padding: 0 14px; }
  .main-featured { height: 220px; }
  .main-featured__title { font-size: 17px; }
  .main-featured__overlay { padding: 14px; }
  .side-card { flex-direction: column; height: auto; }
  .side-card__img { width: 100%; height: 150px; }
  .side-card__content { padding: 12px 15px; }
  .card--wide__img { height: 160px !important; }
  article h1 { font-size: 22px !important; }
}