/*
Theme Name: EUROAVIA Izmir (Custom)
Version: 1.0.0
*/

/* =====================
   COLOR SYSTEM
===================== */
:root {
    --blue-main: #1e6bff;
    --blue-dark: #0b2c6f;
    --blue-soft: #eaf1ff;
    --text-main: #0b2c6f;
    --border-light: #dce6f7;
  }
  
  /* =====================
     RESET + BASE
  ===================== */
  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }
  
  body {
    margin: 0;
    background: #ffffff;            /* WHITE BACKGROUND */
    color: var(--text-main);        /* BLUE TEXT */
    font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", sans-serif;
    line-height: 1.6;
  }
  
  /* =====================
     LAYOUT
  ===================== */
  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
  }
  
  .section {
    padding: 96px 0;
  }
  
  /* =====================
     HEADER / NAVBAR
  ===================== */
  .site-header {
    background: white;
    border-bottom: 1px solid var(--border-light);
    position: sticky;
    top: 0;
    z-index: 100;
  }
  
  .header-inner {
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  
  .brand {
    font-weight: 700;
    font-size: 18px;
    color: var(--blue-dark);
    text-decoration: none;
  }
  
  /* =====================
     NAVIGATION
  ===================== */
  .nav-list {
    display: flex;
    gap: 28px;
    list-style: none;
    margin: 0;
    padding: 0;
  }
  
  .nav-list a {
    text-decoration: none;
    font-weight: 500;
    color: var(--blue-dark);
  }
  
  .nav-list a:hover {
    color: var(--blue-main);
  }
  
  /* =====================
     TYPOGRAPHY
  ===================== */
  h1, h2, h3 {
    margin: 0 0 16px;
    color: var(--blue-dark);
    line-height: 1.2;
  }
  
  h2 {
    font-size: 36px;
  }
  
  p {
    max-width: 70ch;
  }
  
  /* =====================
     GRID + CARDS
  ===================== */
  .grid {
    display: grid;
    gap: 24px;
  }
  
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  
  @media (max-width: 900px) {
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
  }
  
  @media (max-width: 600px) {
    .grid-3 { grid-template-columns: 1fr; }
  }
  
  .card {
    background: white;
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: 18px;
    transition: transform .15s ease, box-shadow .15s ease;
  }
  
  .card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(30,107,255,.15);
  }
  
  .card-title {
    font-size: 18px;
    color: var(--blue-dark);
  }
  
  .muted {
    color: #4b6cb7;
    font-size: 14px;
  }
  
  /* =====================
     AVATAR / IMAGE
  ===================== */
  .avatar {
    aspect-ratio: 1 / 1;
    border-radius: 14px;
    overflow: hidden;
    background: var(--blue-soft);
  }
  
  .avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  
  /* =====================
     BUTTONS
  ===================== */
  .btn {
    display: inline-block;
    padding: 10px 18px;
    border-radius: 10px;
    font-weight: 500;
    text-decoration: none;
  }
  
  .btn-primary {
    background: var(--blue-main);
    color: white;
  }
  
  .btn-primary:hover {
    background: #1558d6;
  }
  
  .btn-secondary {
    color: var(--blue-main);
    border: 1px solid var(--border-light);
  }
  
  .btn-secondary:hover {
    background: var(--blue-soft);
  }
  
  /* =====================
     FOOTER
  ===================== */
  .site-footer {
    background: var(--blue-dark);
    color: white;
    padding: 48px 0;
  }