@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Rich, vibrant modern palette */
  --primary-navy: #09122C;
  --primary-navy-light: #162447;
  --accent-orange: #FF5A00;
  --accent-orange-hover: #E04E00;
  --bg-light: #F8FAFC;
  --text-main: #334155;
  --text-muted: #64748B;
  --white: #FFFFFF;
  --border-gray: #E2E8F0;
  --danger-bg: #FFFBEB;
  --danger-text: #B45309;
  
  /* Glassmorphism & Effects */
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.4);
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', sans-serif;
  color: var(--text-main);
  background-color: var(--bg-light);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ------------------------
   Glassmorphism Header
-------------------------*/
header { 
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky; 
    top: 0; 
    z-index: 1000; 
    transition: var(--transition);
}
.header-flex { display: flex; justify-content: space-between; align-items: center; padding: 16px 0; }
.logo-title { 
    font-size: 1.8rem; 
    font-weight: 800; 
    background: linear-gradient(135deg, var(--primary-navy), var(--accent-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none; 
    letter-spacing: -0.5px;
}

/* ------------------------
   Modern Buttons
-------------------------*/
.btn { 
    background: linear-gradient(135deg, var(--accent-orange), #FF7B33);
    color: var(--white); 
    padding: 14px 32px; 
    text-decoration: none; 
    border-radius: 50px; 
    font-weight: 600; 
    font-size: 1.05rem;
    display: inline-block; 
    text-align: center; 
    box-shadow: 0 4px 14px 0 rgba(255, 90, 0, 0.4);
    transition: var(--transition);
    border: none;
    cursor: pointer;
}
.btn:hover { 
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 90, 0, 0.3);
    background: linear-gradient(135deg, #FF7B33, var(--accent-orange));
}

/* ------------------------
   Navigation
-------------------------*/
nav { background-color: var(--primary-navy); }
.nav-ul { display: flex; list-style: none; overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0; padding: 0; }
.nav-ul li a { 
    color: rgba(255,255,255,0.75); 
    padding: 16px 20px; 
    display: block; 
    text-decoration: none; 
    font-size: 0.95rem; 
    font-weight: 500;
    white-space: nowrap; 
    transition: var(--transition);
}
.nav-ul li a:hover { 
    color: var(--white); 
    background-color: rgba(255,255,255,0.08); 
}
#menu-toggle { display: none; background: none; color: var(--white); border: 1px solid rgba(255,255,255,0.2); padding: 12px; margin: 12px 0; cursor: pointer; font-size: 1rem; font-weight: 500; width: 100%; text-align: left; border-radius: 8px; transition: var(--transition); }
#menu-toggle:hover { background: rgba(255,255,255,0.1); }

/* ------------------------
   Hero Section
-------------------------*/
.hero { 
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--primary-navy-light) 100%);
    color: var(--white); 
    padding: 100px 0 140px; 
    text-align: center; 
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: -50%; left: -50%; width: 200%; height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.03) 0%, transparent 60%);
    animation: rotate 60s linear infinite;
}
@keyframes rotate { 100% { transform: rotate(360deg); } }
.hero h1 { color: var(--white); font-size: 4rem; font-weight: 800; margin-bottom: 24px; letter-spacing: -1.5px; line-height: 1.1; position: relative; z-index: 1; }
.hero p { font-size: 1.3rem; max-width: 750px; margin: 0 auto 40px auto; color: #CBD5E1; font-weight: 400; position: relative; z-index: 1; line-height: 1.6; }
.hero .btn { position: relative; z-index: 1; font-size: 1.15rem; padding: 18px 40px; }

/* ------------------------
   Main Article Content
-------------------------*/
article { 
    background: var(--white); 
    padding: 60px 70px; 
    border-radius: 24px; 
    margin: -60px auto 60px; 
    box-shadow: var(--shadow-lg); 
    position: relative;
    z-index: 10;
}
h1, h2, h3 { color: var(--primary-navy); margin-bottom: 24px; line-height: 1.3; font-weight: 700; letter-spacing: -0.5px; }
h1 { font-size: 2.8rem; margin-top: 10px; }
h2 { font-size: 2rem; margin-top: 60px; padding-bottom: 16px; position: relative; }
h2::after { content: ''; position: absolute; left: 0; bottom: 0; height: 4px; width: 60px; background: var(--accent-orange); border-radius: 2px; }
p, ul { margin-bottom: 24px; color: var(--text-main); font-size: 1.1rem; }
ul { padding-left: 24px; }
li { margin-bottom: 12px; }
a { color: var(--accent-orange); text-decoration: none; font-weight: 600; transition: var(--transition); }
a:hover { color: var(--primary-navy); }

img { max-width: 100%; height: auto; display: block; margin: 40px 0; border-radius: 16px; box-shadow: var(--shadow-md); transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1); }
img:hover { transform: scale(1.02); }

/* ------------------------
   Alerts / Safety Box
-------------------------*/
.safety-box { background: var(--danger-bg); border-left: 6px solid #F59E0B; padding: 24px 30px; margin: 30px 0; color: var(--danger-text); border-radius: 0 16px 16px 0; box-shadow: var(--shadow-sm); }
.safety-box strong { display: block; margin-bottom: 12px; font-size: 1.2rem; color: #92400E; }

/* ------------------------
   CTA Box
-------------------------*/
.cta-box { background: linear-gradient(135deg, var(--bg-light) 0%, #ffffff 100%); border: 1px solid var(--border-gray); padding: 50px 40px; text-align: center; margin: 60px 0; border-radius: 20px; box-shadow: var(--shadow-sm); position: relative; overflow: hidden; }
.cta-box::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 5px; background: linear-gradient(90deg, var(--primary-navy), var(--accent-orange)); }
.cta-box h3 { margin-top: 0; font-size: 1.8rem; }
.cta-box p { font-size: 1.15rem; color: var(--text-muted); margin-bottom: 30px; }

/* ------------------------
   Breadcrumbs
-------------------------*/
.breadcrumbs { padding: 24px 0; font-size: 0.95rem; font-weight: 500; color: var(--text-muted); }
.breadcrumbs a { color: var(--primary-navy); }

/* ------------------------
   Accordion / FAQ
-------------------------*/
details { margin-bottom: 16px; border: 1px solid var(--border-gray); border-radius: 12px; overflow: hidden; background: var(--white); transition: var(--transition); }
details:hover { box-shadow: var(--shadow-sm); border-color: #CBD5E1; }
summary { padding: 24px; font-weight: 600; cursor: pointer; color: var(--primary-navy); font-size: 1.15rem; user-select: none; list-style: none; position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; position: absolute; right: 24px; top: 50%; transform: translateY(-50%); font-size: 1.5rem; color: var(--accent-orange); transition: transform 0.3s ease; }
details[open] summary::after { content: '−'; transform: translateY(-50%) rotate(180deg); }
details p { padding: 0 24px 24px; margin-bottom: 0; color: var(--text-muted); animation: slideDown 0.3s ease-out; }

@keyframes slideDown { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }

/* ------------------------
   Service Cards Grid
-------------------------*/
.service-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 30px; margin: 50px 0; }
.card { border: 1px solid var(--border-gray); padding: 35px; border-radius: 20px; background: var(--white); transition: var(--transition); position: relative; top: 0; }
.card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: #CBD5E1; }
.card h3 { margin-top: 0; font-size: 1.4rem; margin-bottom: 16px; }
.card h3::after { display: none; }
.card p { margin-bottom: 0; color: var(--text-muted); font-size: 1.05rem; }

/* ------------------------
   Mobile Call Bar
-------------------------*/
.mobile-call-bar { display: none; position: fixed; bottom: 0; left: 0; width: 100%; background: linear-gradient(135deg, var(--accent-orange), #FF7B33); text-align: center; padding: 18px; z-index: 1000; box-shadow: 0 -4px 25px rgba(255, 90, 0, 0.4); }
.mobile-call-bar a { color: var(--white); font-weight: 700; font-size: 1.25rem; text-decoration: none; display: block; }

/* ------------------------
   Footer
-------------------------*/
footer { background-color: var(--primary-navy); color: #94A3B8; padding: 100px 0 120px 0; margin-top: 100px; position: relative; }
footer h3 { color: var(--white); border: none; font-size: 1.4rem; margin-bottom: 24px; font-weight: 600; }
footer h3::after { display: none; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 60px; }
footer a { color: #94A3B8; text-decoration: none; transition: var(--transition); font-weight: 500; }
footer a:hover { color: var(--accent-orange); padding-left: 6px; }
footer ul { list-style: none; padding: 0; }
footer li { margin-bottom: 14px; }
.footer-bottom { margin-top: 60px; padding-top: 30px; border-top: 1px solid rgba(255,255,255,0.08); font-size: 0.95rem; text-align: center; }

/* ------------------------
   Responsive Adjustments
-------------------------*/
@media (max-width: 768px) {
  .hero h1 { font-size: 2.8rem; letter-spacing: -1px; }
  .hero { padding: 80px 0 120px; }
  article { padding: 40px 24px; margin: -50px auto 50px; border-radius: 20px; }
  h1 { font-size: 2.2rem; }
  #menu-toggle { display: block; }
  .nav-ul { display: none; flex-direction: column; }
  .nav-ul.show { display: flex; animation: slideDown 0.3s ease-out; }
  .mobile-call-bar { display: block; }
  .footer-grid { grid-template-columns: 1fr; gap: 50px; }
  footer { padding: 70px 0 120px; }
  .card { padding: 25px; }
}