/* ===========================
   Hawaii Rainbow Children's Art Training Center
   Style: Vibrant, colorful, child-friendly
   =========================== */

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

:root {
  --primary: #e84393;
  --secondary: #f7a800;
  --accent: #3dbde8;
  --dark: #2c2c2c;
  --light: #fff8f0;
  --white: #ffffff;
  --text: #444444;
  --radius: 12px;
  --shadow: 0 4px 20px rgba(0,0,0,0.10);
}

html { scroll-behavior: smooth; }
body { font-family: 'Segoe UI', Arial, sans-serif; color: var(--text); background: var(--white); line-height: 1.7; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; border-radius: var(--radius); }

.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: var(--white);
  box-shadow: 0 2px 12px rgba(232,67,147,0.12);
  padding: 0;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.05rem; color: var(--primary); }
.logo-icon { font-size: 1.6rem; }
.main-nav { display: flex; gap: 28px; }
.main-nav a { font-weight: 600; color: var(--dark); transition: color 0.2s; font-size: 0.97rem; }
.main-nav a:hover { color: var(--primary); }
.hamburger { display: none; background: none; border: none; font-size: 1.7rem; cursor: pointer; color: var(--primary); }

/* Buttons */
.btn { display: inline-block; padding: 11px 28px; border-radius: 30px; font-weight: 700; cursor: pointer; transition: all 0.2s; font-size: 0.97rem; border: none; }
.btn-donate { background: var(--primary); color: var(--white); }
.btn-donate:hover { background: #c4307a; }
.btn-hero { background: var(--secondary); color: var(--dark); font-size: 1.05rem; padding: 14px 36px; }
.btn-hero:hover { background: #e09600; }
.btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline:hover { background: var(--primary); color: var(--white); }
.btn-submit { background: var(--accent); color: var(--white); width: 100%; padding: 14px; font-size: 1rem; }
.btn-submit:hover { background: #2aa8cc; }

/* Hero */
.hero { position: relative; height: 540px; display: flex; align-items: center; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; border-radius: 0; z-index: 0; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(232,67,147,0.72) 0%, rgba(247,168,0,0.55) 100%); z-index: 1; border-radius: 0; }
.hero-content { position: relative; z-index: 2; color: var(--white); max-width: 620px; }
.hero-content h1 { font-size: 2.3rem; font-weight: 800; line-height: 1.2; margin-bottom: 16px; text-shadow: 0 2px 8px rgba(0,0,0,0.18); }
.hero-sub { font-size: 1.15rem; margin-bottom: 28px; opacity: 0.95; }

/* Sections */
.section { padding: 72px 0; }
.section-light { background: var(--light); }
.section-color { background: linear-gradient(135deg, #fff0f8 0%, #fffbe6 100%); }
.section h2 { font-size: 2rem; color: var(--primary); margin-bottom: 18px; }
.section-intro { font-size: 1.07rem; max-width: 720px; margin-bottom: 40px; }

/* Two Column */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; align-items: center; }
.col-text h2 { margin-bottom: 16px; }
.col-text h3 { font-size: 1.15rem; color: var(--secondary); margin: 22px 0 8px; }
.col-image img { width: 100%; height: 380px; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow); }

/* Cards */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.card { background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; transition: transform 0.2s; }
.card:hover { transform: translateY(-5px); }
.card img { width: 100%; height: 200px; object-fit: cover; border-radius: var(--radius) var(--radius) 0 0; }
.card-body { padding: 20px; }
.card-body h3 { color: var(--primary); margin-bottom: 10px; font-size: 1.08rem; }

/* Stats */
.stats-row { display: flex; gap: 32px; margin-top: 40px; flex-wrap: wrap; }
.stat { text-align: center; flex: 1; min-width: 120px; background: var(--white); border-radius: var(--radius); padding: 24px 16px; box-shadow: var(--shadow); }
.stat-num { display: block; font-size: 2.2rem; font-weight: 800; color: var(--primary); }
.stat-label { font-size: 0.92rem; color: var(--text); }

/* Events */
.event-list { display: flex; flex-direction: column; gap: 20px; margin-bottom: 36px; }
.event-item { background: var(--white); border-left: 5px solid var(--secondary); padding: 20px 24px; border-radius: 0 var(--radius) var(--radius) 0; box-shadow: var(--shadow); }
.event-date { font-weight: 700; color: var(--secondary); font-size: 1.05rem; margin-bottom: 6px; }
.involve-box { background: var(--white); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow); }
.involve-box h3 { color: var(--primary); margin-bottom: 12px; }

/* Contact Form */
.contact-form { max-width: 680px; margin-top: 28px; display: flex; flex-direction: column; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form input, .contact-form textarea {
  padding: 13px 16px; border: 1.5px solid #e0d0e8; border-radius: 8px;
  font-size: 0.97rem; font-family: inherit; width: 100%;
  transition: border-color 0.2s;
}
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--primary); }

/* Footer */
.site-footer { background: var(--dark); color: #ccc; padding: 52px 0 0; }
.footer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px; padding-bottom: 36px; }
.footer-col h4 { color: var(--white); margin-bottom: 14px; font-size: 1.02rem; }
.footer-col p { margin-bottom: 7px; font-size: 0.93rem; line-height: 1.6; }
.footer-email a { color: var(--secondary); font-size: 1.08rem; font-weight: 700; word-break: break-all; }
.footer-link { display: block; color: #aaa; margin-bottom: 8px; font-size: 0.93rem; transition: color 0.2s; }
.footer-link:hover { color: var(--secondary); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; border-top: 1px solid #444; padding: 18px 0; font-size: 0.88rem; }
.scroll-top { background: var(--primary); color: var(--white); width: 38px; height: 38px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; transition: background 0.2s; }
.scroll-top:hover { background: var(--secondary); }

/* Popups */
.popup-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.55); z-index: 2000; align-items: center; justify-content: center; }
.popup-overlay.active { display: flex; }
.popup-menu { background: var(--white); width: 80vw; max-width: 340px; border-radius: var(--radius); padding: 36px 28px; position: relative; }
.popup-nav { display: flex; flex-direction: column; gap: 18px; margin-top: 12px; }
.popup-link { font-size: 1.1rem; font-weight: 600; color: var(--dark); }
.popup-box { background: var(--white); border-radius: var(--radius); padding: 40px 36px; max-width: 400px; text-align: center; }
.popup-box h3 { color: var(--primary); margin-bottom: 12px; font-size: 1.4rem; }
.popup-close { position: absolute; top: 14px; right: 18px; background: none; border: none; font-size: 1.7rem; cursor: pointer; color: #888; }

/* Responsive */
@media (max-width: 900px) {
  .two-col { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .main-nav { display: none; }
  .hamburger { display: block; }
  .hero { height: 420px; }
  .hero-content h1 { font-size: 1.5rem; }
  .card-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .stats-row { flex-direction: column; }
}