/* ===== DOLPHIN HAS 2 STOMACHS — LIGHT THEME ===== */
/* Google Fonts loaded in each page <head> */

:root {
  --ocean: #1565c0;
  --deep: #1976d2;
  --seafoam: #00897b;
  --seafoam-light: #b2dfdb;
  --accent: #0288d1;
  --bg: #f0f7ff;
  --bg-alt: #ffffff;
  --sand: #e8f4fd;
  --text: #1a2332;
  --text-muted: #546e7a;
  --white: #ffffff;
  --border: #cce3f5;
  --card-shadow: 0 2px 12px rgba(21,101,192,0.08);
  --radius: 12px;
}

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

body{
  font-family:'Lora',Georgia,serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  font-size:17px;
}

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

/* ===== NAV ===== */
nav{
  background:#fff;
  border-bottom:2px solid var(--border);
  padding:0 20px;
  position:sticky;
  top:0;
  z-index:100;
  box-shadow:0 2px 8px rgba(21,101,192,0.07);
}
.nav-inner{
  max-width:1100px;
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:60px;
}
.nav-logo{
  font-family:'Nunito',Arial,sans-serif;
  font-weight:800;
  font-size:18px;
  color:var(--ocean);
  text-decoration:none;
  display:flex;
  align-items:center;
  gap:6px;
  white-space:nowrap;
}
.nav-logo span{color:var(--seafoam)}
.nav-links{display:flex;gap:2px;list-style:none}
.nav-links a{
  color:var(--text-muted);
  text-decoration:none;
  font-family:'Nunito',Arial,sans-serif;
  font-size:13px;
  font-weight:700;
  padding:7px 11px;
  border-radius:8px;
  transition:background .18s,color .18s;
  white-space:nowrap;
}
.nav-links a:hover{background:var(--sand);color:var(--ocean)}

/* Hamburger */
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:6px}
.hamburger span{display:block;width:22px;height:2px;background:var(--ocean);border-radius:2px}
.mobile-menu{display:none;background:#fff;border-top:1px solid var(--border);padding:8px 20px 16px}
.mobile-menu.open{display:block}
.mobile-menu a{
  display:block;
  color:var(--text);
  text-decoration:none;
  font-family:'Nunito',Arial,sans-serif;
  font-size:15px;
  font-weight:700;
  padding:11px 0;
  border-bottom:1px solid var(--border);
}
.mobile-menu a:last-child{border-bottom:none}

/* ===== HERO ===== */
.hero{
  background:linear-gradient(135deg,#e3f2fd 0%,#e8f5e9 100%);
  border-bottom:2px solid var(--border);
  padding:64px 20px 56px;
  text-align:center;
}
.hero-badge{
  display:inline-block;
  background:var(--seafoam-light);
  color:var(--seafoam);
  font-family:'Nunito',Arial,sans-serif;
  font-size:11px;
  font-weight:800;
  letter-spacing:2px;
  text-transform:uppercase;
  padding:5px 14px;
  border-radius:20px;
  margin-bottom:18px;
}
.hero h1{
  font-size:clamp(26px,5vw,50px);
  font-weight:700;
  line-height:1.2;
  color:var(--ocean);
  margin-bottom:16px;
  max-width:760px;
  margin-left:auto;
  margin-right:auto;
}
.hero h1 em{color:var(--seafoam);font-style:normal}
.hero p{
  font-size:clamp(15px,2vw,18px);
  color:var(--text-muted);
  max-width:540px;
  margin:0 auto 28px;
  font-family:'Nunito',Arial,sans-serif;
}
.hero-stats{display:flex;justify-content:center;gap:28px;flex-wrap:wrap}
.hero-stat{text-align:center}
.hero-stat strong{display:block;font-size:26px;color:var(--ocean);font-family:'Nunito',Arial,sans-serif;font-weight:800}
.hero-stat span{font-size:12px;color:var(--text-muted);font-family:'Nunito',Arial,sans-serif}

/* ===== FACTS STRIP ===== */
.facts-strip{background:var(--ocean);padding:16px 20px}
.facts-grid{
  max-width:1100px;
  margin:0 auto;
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:8px;
}
.fact-item{
  background:rgba(255,255,255,0.1);
  border:1px solid rgba(255,255,255,0.18);
  border-radius:8px;
  padding:9px 10px;
  text-align:center;
}
.fact-item .fact-emoji{font-size:18px;display:block;margin-bottom:3px}
.fact-item span{font-family:'Nunito',Arial,sans-serif;font-size:11px;color:rgba(255,255,255,0.92);font-weight:700}

/* ===== SECTIONS ===== */
.section{padding:56px 20px}
.section-alt{background:var(--bg-alt)}
.container{max-width:1100px;margin:0 auto}
.section-title{font-size:clamp(20px,3.5vw,32px);color:var(--ocean);margin-bottom:8px;font-weight:700}
.section-sub{color:var(--text-muted);font-family:'Nunito',Arial,sans-serif;font-size:14px;margin-bottom:32px}
.eyebrow{
  font-family:'Nunito',Arial,sans-serif;
  font-size:11px;font-weight:800;
  letter-spacing:2.5px;text-transform:uppercase;
  color:var(--seafoam);margin-bottom:8px;
  display:block;
}

/* ===== CARDS ===== */
.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{
  background:var(--white);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--card-shadow);
  text-decoration:none;
  color:inherit;
  display:block;
  border:1px solid var(--border);
  transition:transform .2s,box-shadow .2s;
}
.card:hover{transform:translateY(-3px);box-shadow:0 6px 24px rgba(21,101,192,0.13)}
.card-img{width:100%;height:180px;object-fit:cover;display:block}
.card-body{padding:18px}
.card-tag{
  font-family:'Nunito',Arial,sans-serif;
  font-size:11px;font-weight:800;
  letter-spacing:1.5px;text-transform:uppercase;
  color:var(--seafoam);margin-bottom:6px;
}
.card h3{font-size:16px;color:var(--ocean);margin-bottom:7px;line-height:1.35}
.card p{font-size:13px;color:var(--text-muted);font-family:'Nunito',Arial,sans-serif;line-height:1.5}
.card-meta{font-family:'Nunito',Arial,sans-serif;font-size:12px;color:var(--text-muted);margin-top:10px}

/* ===== TOOLS ===== */
.tools-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tool-card{
  background:linear-gradient(135deg,var(--ocean),var(--accent));
  border-radius:var(--radius);
  padding:24px 20px;
  color:#fff;
  text-decoration:none;
  display:block;
  transition:transform .2s,box-shadow .2s;
  box-shadow:var(--card-shadow);
}
.tool-card:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(21,101,192,0.2)}
.tool-icon{font-size:32px;margin-bottom:12px}
.tool-card h3{font-size:17px;margin-bottom:7px;color:#fff;font-family:'Nunito',Arial,sans-serif;font-weight:800}
.tool-card p{font-size:13px;color:rgba(255,255,255,0.82);font-family:'Nunito',Arial,sans-serif}
.tool-card .tool-cta{
  display:inline-block;margin-top:14px;
  background:#fff;color:var(--ocean);
  font-family:'Nunito',Arial,sans-serif;
  font-size:12px;font-weight:800;
  padding:7px 16px;border-radius:20px;
}

/* ===== ARTICLE PAGE ===== */
.article-hero{
  background:linear-gradient(135deg,#e3f2fd,#e0f2f1);
  border-bottom:2px solid var(--border);
  padding:52px 20px 44px;
  text-align:center;
}
.article-hero h1{font-size:clamp(22px,4vw,40px);max-width:740px;margin:0 auto 14px;color:var(--ocean);line-height:1.25}
.article-hero .meta{font-family:'Nunito',Arial,sans-serif;font-size:13px;color:var(--text-muted)}
.article-hero .meta span{margin:0 8px}

.article-layout{max-width:800px;margin:0 auto;padding:44px 20px 60px}
.article-layout img.hero-img{
  width:100%;height:320px;object-fit:cover;
  border-radius:var(--radius);margin-bottom:32px;
}
.article-layout h2{font-size:22px;color:var(--ocean);margin:32px 0 10px}
.article-layout h3{font-size:19px;color:var(--deep);margin:24px 0 8px}
.article-layout p{margin-bottom:16px}
.article-layout ul,.article-layout ol{padding-left:22px;margin-bottom:16px}
.article-layout li{margin-bottom:7px}
.article-layout table{
  width:100%;border-collapse:collapse;
  margin:22px 0;
  font-family:'Nunito',Arial,sans-serif;font-size:14px;
  border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--card-shadow);
}
.article-layout th{background:var(--ocean);color:#fff;padding:11px 13px;text-align:left}
.article-layout td{padding:10px 13px;border-bottom:1px solid var(--border)}
.article-layout tr:nth-child(even) td{background:var(--sand)}
.article-layout .highlight-box{
  background:var(--sand);
  border-left:4px solid var(--seafoam);
  border-radius:0 8px 8px 0;
  padding:16px 20px;
  margin:22px 0;
  font-style:italic;
  color:var(--text-muted);
}

/* ===== RELATED ===== */
.related-section{background:var(--sand);padding:44px 20px}
.related-grid{max-width:1100px;margin:0 auto}
.related-grid .cards-grid{grid-template-columns:repeat(3,1fr)}

/* ===== TOOL PAGE ===== */
.tool-hero{
  background:linear-gradient(135deg,#e3f2fd,#e0f2f1);
  border-bottom:2px solid var(--border);
  padding:46px 20px 40px;text-align:center;
}
.tool-hero h1{font-size:clamp(20px,4vw,36px);color:var(--ocean);margin-bottom:8px}
.tool-hero p{color:var(--text-muted);font-family:'Nunito',Arial,sans-serif;max-width:500px;margin:0 auto;font-size:15px}

.tool-container{max-width:680px;margin:40px auto;padding:0 20px 56px}
.tool-box{
  background:#fff;border-radius:var(--radius);
  padding:32px;box-shadow:var(--card-shadow);
  border:1px solid var(--border);
}
.tool-box label{
  display:block;
  font-family:'Nunito',Arial,sans-serif;
  font-size:13px;font-weight:800;
  color:var(--ocean);margin-bottom:7px;
}
.tool-box input,.tool-box select{
  width:100%;padding:11px 14px;
  border:2px solid var(--border);border-radius:8px;
  font-size:15px;color:var(--text);
  background:var(--bg);margin-bottom:18px;
  font-family:'Nunito',Arial,sans-serif;
  transition:border-color .18s;
}
.tool-box input:focus,.tool-box select:focus{outline:none;border-color:var(--seafoam)}
.tool-btn{
  width:100%;background:var(--ocean);color:#fff;border:none;
  padding:13px;border-radius:8px;font-size:15px;
  font-weight:700;font-family:'Nunito',Arial,sans-serif;
  cursor:pointer;transition:background .18s;
}
.tool-btn:hover{background:var(--deep)}
.tool-result{
  margin-top:22px;
  background:linear-gradient(135deg,var(--ocean),var(--accent));
  color:#fff;border-radius:var(--radius);
  padding:22px;text-align:center;display:none;
}
.tool-result.show{display:block}
.tool-result .result-number{font-size:40px;font-weight:700;color:#fff;font-family:'Nunito',Arial,sans-serif}
.tool-result .result-label{font-family:'Nunito',Arial,sans-serif;font-size:14px;color:rgba(255,255,255,0.85);margin-top:5px}

.quiz-option{
  display:block;width:100%;text-align:left;
  background:var(--bg);border:2px solid var(--border);
  border-radius:8px;padding:12px 16px;margin-bottom:9px;
  cursor:pointer;font-size:15px;font-family:'Nunito',Arial,sans-serif;
  transition:border-color .18s,background .18s;
}
.quiz-option:hover{border-color:var(--seafoam);background:var(--seafoam-light)}
.quiz-option.correct{border-color:#2e7d32;background:#e8f5e9}
.quiz-option.wrong{border-color:#c62828;background:#ffebee}

/* ===== PAGE HERO ===== */
.page-hero{
  background:linear-gradient(135deg,#e3f2fd,#e0f2f1);
  border-bottom:2px solid var(--border);
  padding:46px 20px 40px;text-align:center;
}
.page-hero h1{font-size:clamp(22px,4vw,38px);color:var(--ocean);margin-bottom:8px}
.page-hero p{color:var(--text-muted);font-family:'Nunito',Arial,sans-serif}
.page-content{max-width:800px;margin:0 auto;padding:44px 20px 60px}
.page-content h2{font-size:20px;color:var(--ocean);margin:28px 0 9px}
.page-content p{margin-bottom:14px}

/* Contact Form */
.contact-form{background:#fff;border-radius:var(--radius);padding:32px;box-shadow:var(--card-shadow);border:1px solid var(--border)}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-family:'Nunito',Arial,sans-serif;font-size:13px;font-weight:800;color:var(--ocean);margin-bottom:6px}
.form-group input,.form-group textarea{
  width:100%;padding:11px 14px;border:2px solid var(--border);
  border-radius:8px;font-size:15px;color:var(--text);
  background:var(--bg);font-family:'Lora',Georgia,serif;
  transition:border-color .18s;
}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--seafoam)}
.form-group textarea{height:130px;resize:vertical}
.submit-btn{
  background:var(--ocean);color:#fff;border:none;
  padding:13px 32px;border-radius:8px;
  font-size:15px;font-weight:700;
  font-family:'Nunito',Arial,sans-serif;cursor:pointer;
}

/* ===== FOOTER ===== */
footer{background:var(--ocean);color:rgba(255,255,255,0.88);padding:48px 20px 24px}
.footer-grid{
  max-width:1100px;margin:0 auto;
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;
  gap:32px;margin-bottom:36px;
}
.footer-brand p{font-size:13px;color:rgba(255,255,255,0.65);margin-top:10px;line-height:1.6;font-family:'Nunito',Arial,sans-serif}
.footer-brand .brand-name{font-size:17px;font-weight:800;color:#fff;font-family:'Nunito',Arial,sans-serif}
.footer-brand .brand-name span{color:#80cbc4}
.footer-col h4{
  font-family:'Nunito',Arial,sans-serif;
  font-size:11px;font-weight:800;
  letter-spacing:2px;text-transform:uppercase;
  color:#80cbc4;margin-bottom:14px;
}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:9px}
.footer-col ul li a{
  color:rgba(255,255,255,0.72);text-decoration:none;
  font-family:'Nunito',Arial,sans-serif;font-size:13px;
  transition:color .18s;
}
.footer-col ul li a:hover{color:#fff}
.footer-bottom{
  max-width:1100px;margin:0 auto;
  border-top:1px solid rgba(255,255,255,0.12);
  padding-top:18px;text-align:center;
  font-family:'Nunito',Arial,sans-serif;
  font-size:12px;color:rgba(255,255,255,0.45);
}

/* ===== RESPONSIVE ===== */
@media(max-width:900px){
  .cards-grid{grid-template-columns:repeat(2,1fr)}
  .tools-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .facts-grid{grid-template-columns:repeat(3,1fr)}
  .related-grid .cards-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:600px){
  .nav-links{display:none}
  .hamburger{display:flex}
  .cards-grid{grid-template-columns:1fr}
  .tools-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .facts-grid{grid-template-columns:repeat(2,1fr)}
  .hero{padding:44px 16px 48px}
  .article-layout{padding:32px 16px 48px}
  .article-layout img.hero-img{height:220px}
  .related-grid .cards-grid{grid-template-columns:1fr}
  .tool-box{padding:22px 16px}
  .page-content{padding:32px 16px 48px}
}
