/* ============================================
   UNITAS FLYING ACADEMY — Things To Do Page
   Design System v2.0
   ============================================ */

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

:root {
  --color-primary: #0057B8;
  --color-secondary: #1E88E5;
  --color-navy: #0B1F3A;
  --color-sky: #EAF5FF;
  --color-white: #FFFFFF;
  --color-surface: #F8FAFC;
  --color-border: #DCE7F5;
  --color-text: #111827;
  --color-text-secondary: #6B7280;
  --color-success: #22C55E;
  --color-warning: #F59E0B;
  --color-error: #EF4444;

  --font-family: 'Manrope', 'Inter', sans-serif;
  --font-hero: clamp(40px, 5vw, 72px);
  --font-section: clamp(32px, 4vw, 48px);
  --font-card: clamp(22px, 2.5vw, 28px);
  --font-body: 18px;
  --font-small: 16px;
  --font-caption: 14px;
  --font-button: 16px;

  --space-4: 4px; --space-8: 8px; --space-12: 12px; --space-16: 16px;
  --space-24: 24px; --space-32: 32px; --space-48: 48px; --space-64: 64px;
  --space-80: 80px; --space-96: 96px; --space-120: 120px;

  --max-width: 1440px;
  --content-width: 1200px;

  --radius-sm: 8px; --radius-md: 14px; --radius-lg: 20px; --radius-xl: 24px;
  --shadow-sm: 0 1px 3px rgba(11,31,58,0.06);
  --shadow-md: 0 4px 16px rgba(11,31,58,0.08);
  --shadow-lg: 0 8px 32px rgba(11,31,58,0.10);
  --shadow-xl: 0 16px 48px rgba(11,31,58,0.12);
  --transition-base: 300ms cubic-bezier(0.4,0,0.2,1);
  --transition-slow: 600ms cubic-bezier(0.4,0,0.2,1);
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
body{font-family:var(--font-family);font-size:var(--font-body);font-weight:400;line-height:1.7;color:var(--color-text);background:var(--color-white);overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{text-decoration:none;color:inherit;transition:color var(--transition-base)}
button{cursor:pointer;border:none;background:none;font-family:var(--font-family)}
ul,ol{list-style:none}

.container{max-width:var(--content-width);margin:0 auto;padding:0 var(--space-24)}

.section-label{display:inline-flex;align-items:center;gap:var(--space-8);font-size:var(--font-caption);font-weight:600;color:var(--color-primary);letter-spacing:0.04em;margin-bottom:var(--space-16)}
.section-label::before{content:'';display:block;width:32px;height:2px;background:var(--color-primary);border-radius:1px}

.section-heading{font-size:var(--font-section);font-weight:700;color:var(--color-navy);line-height:1.2;margin-bottom:var(--space-16)}
.section-subheading{font-size:var(--font-body);color:var(--color-text-secondary);max-width:640px;line-height:1.7}

.reveal{opacity:0;transform:translateY(32px);transition:opacity var(--transition-slow),transform var(--transition-slow)}
.reveal.revealed{opacity:1;transform:translateY(0)}

/* ============================================
   HEADER
   ============================================ */
.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;transition:background var(--transition-base),box-shadow var(--transition-base),backdrop-filter var(--transition-base)}
.site-header.scrolled{background:rgba(255,255,255,0.95);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:var(--shadow-sm)}

.header-inner{max-width:var(--max-width);margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:var(--space-16) var(--space-32)}

.logo{display:flex;align-items:center;gap:var(--space-12)}
.logo-icon{width:40px;height:40px;background:var(--color-primary);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center}
.logo-icon svg{width:24px;height:24px;fill:var(--color-white)}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-name{font-size:var(--font-small);font-weight:700;color:var(--color-white);transition:color var(--transition-base)}
.scrolled .logo-name{color:var(--color-navy)}
.logo-tagline{font-size:11px;font-weight:500;color:rgba(255,255,255,0.7);letter-spacing:0.06em;transition:color var(--transition-base)}
.scrolled .logo-tagline{color:var(--color-text-secondary)}

.nav-links{display:flex;align-items:center;gap:var(--space-32)}
.nav-links a{font-size:15px;font-weight:500;color:rgba(255,255,255,0.85);position:relative;padding:var(--space-4) 0;transition:color var(--transition-base)}
.scrolled .nav-links a{color:var(--color-text-secondary)}
.nav-links a:hover,.nav-links a.active{color:var(--color-white)}
.scrolled .nav-links a:hover,.scrolled .nav-links a.active{color:var(--color-primary)}
.nav-links a::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:2px;background:var(--color-primary);border-radius:1px;transition:width var(--transition-base)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}

.nav-cta{background:var(--color-primary)!important;color:var(--color-white)!important;padding:var(--space-12) var(--space-24)!important;border-radius:var(--radius-md)!important;font-weight:600!important;font-size:var(--font-button)!important;box-shadow:0 2px 8px rgba(0,87,184,0.3);transition:background var(--transition-base),transform var(--transition-base),box-shadow var(--transition-base)!important}
.nav-cta::after{display:none!important}
.nav-cta:hover{background:#004a9e!important;transform:translateY(-2px);box-shadow:0 4px 16px rgba(0,87,184,0.4)}

.menu-toggle{display:none;flex-direction:column;gap:5px;padding:var(--space-8)}
.menu-toggle span{display:block;width:24px;height:2px;background:var(--color-white);border-radius:1px;transition:all var(--transition-base)}
.scrolled .menu-toggle span{background:var(--color-navy)}

/* ============================================
   HERO
   ============================================ */
.hero{position:relative;height:70vh;min-height:480px;max-height:800px;display:flex;align-items:flex-end;overflow:hidden;background:var(--color-navy)}

.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,31,58,0.3) 0%,rgba(11,31,58,0.5) 50%,rgba(11,31,58,0.85) 100%)}

.hero-content{position:relative;z-index:2;max-width:var(--content-width);margin:0 auto;padding:0 var(--space-32) var(--space-80);width:100%}

.hero-breadcrumb{display:flex;align-items:center;gap:var(--space-8);margin-bottom:var(--space-24);font-size:var(--font-caption);color:rgba(255,255,255,0.65)}
.hero-breadcrumb a{color:rgba(255,255,255,0.65);transition:color var(--transition-base)}
.hero-breadcrumb a:hover{color:var(--color-white)}
.hero-breadcrumb .separator{font-size:12px}
.hero-breadcrumb .current{color:var(--color-white);font-weight:500}

.hero h1{font-size:var(--font-hero);font-weight:800;color:var(--color-white);line-height:1.1;margin-bottom:var(--space-16);max-width:700px}
.hero-description{font-size:clamp(16px,1.8vw,20px);color:rgba(255,255,255,0.85);max-width:580px;line-height:1.7}

/* ============================================
   DESTINATIONS SECTION
   ============================================ */
.destinations-section{padding:var(--space-120) 0;background:var(--color-surface)}

.destinations-header{text-align:center;max-width:700px;margin:0 auto var(--space-64)}
.destinations-header .section-label{justify-content:center}
.destinations-header .section-subheading{margin:0 auto}

/* Tabs */
.destination-tabs-wrapper{margin-bottom:var(--space-48);overflow-x:auto;scrollbar-width:none}
.destination-tabs-wrapper::-webkit-scrollbar{display:none}

.destination-tabs{display:flex;justify-content:center;flex-wrap:wrap;gap:var(--space-8);min-width:max-content;margin:0 auto;padding:0 var(--space-4)}

.dest-tab{padding:var(--space-12) var(--space-24);border-radius:100px;font-size:var(--font-caption);font-weight:600;color:var(--color-text-secondary);background:var(--color-white);border:1px solid var(--color-border);transition:all var(--transition-base);white-space:nowrap}
.dest-tab:hover{border-color:var(--color-primary);color:var(--color-primary)}
.dest-tab.active{background:var(--color-primary);color:var(--color-white);border-color:var(--color-primary);box-shadow:0 2px 12px rgba(0,87,184,0.3)}

/* Panels */
.destination-panels{position:relative}

.dest-panel{display:none;animation:fadeSlideIn 400ms ease-out}
.dest-panel.active{display:block}

@keyframes fadeSlideIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}

.dest-card-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;background:var(--color-white);border-radius:var(--radius-xl);border:1px solid var(--color-border);overflow:hidden;box-shadow:var(--shadow-md);min-height:480px}

.dest-image-wrapper{position:relative;height:100%;min-height:320px}
.dest-image-wrapper img{width:100%;height:100%;object-fit:cover;object-position:center}

.dest-badge{position:absolute;left:var(--space-24);bottom:var(--space-24);display:inline-flex;align-items:center;gap:var(--space-8);background:rgba(11,31,58,0.72);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);padding:var(--space-8) var(--space-16);border-radius:100px}
.dest-badge svg{width:14px;height:14px;color:var(--color-white);flex-shrink:0}
.dest-badge span{font-size:12px;font-weight:600;color:var(--color-white)}

.dest-content{padding:var(--space-64);display:flex;flex-direction:column;justify-content:center}

.dest-category{display:inline-block;font-size:12px;font-weight:700;color:var(--color-primary);letter-spacing:0.04em;text-transform:uppercase;margin-bottom:var(--space-12)}

.dest-content h3{font-size:clamp(24px,2.6vw,32px);font-weight:800;color:var(--color-navy);line-height:1.2;margin-bottom:var(--space-16)}

.dest-description{font-size:var(--font-small);color:var(--color-text-secondary);line-height:1.7;margin-bottom:var(--space-24)}

.dest-highlights{display:flex;flex-direction:column;gap:var(--space-12);margin-bottom:var(--space-32)}

.dest-highlight-item{display:flex;align-items:center;gap:var(--space-12);padding:var(--space-12) var(--space-16);background:var(--color-surface);border-radius:var(--radius-md);border:1px solid var(--color-border);transition:all var(--transition-base)}
.dest-highlight-item:hover{border-color:var(--color-primary);transform:translateX(4px)}
.dest-highlight-item svg{width:16px;height:16px;color:var(--color-success);flex-shrink:0}
.dest-highlight-item span{font-size:14px;font-weight:500;color:var(--color-navy)}

.dest-action{display:flex}

.btn-primary{display:inline-flex;align-items:center;gap:var(--space-8);background:var(--color-primary);color:var(--color-white);padding:var(--space-16) var(--space-32);border-radius:var(--radius-md);font-size:var(--font-button);font-weight:600;box-shadow:0 4px 16px rgba(0,87,184,0.35);transition:all var(--transition-base)}
.btn-primary:hover{background:#004a9e;transform:translateY(-2px);box-shadow:0 6px 24px rgba(0,87,184,0.45)}
.btn-primary svg{width:18px;height:18px}

/* ============================================
   FOOTER
   ============================================ */
.site-footer{background:#060F1E;padding:var(--space-80) 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:var(--space-48);padding-bottom:var(--space-64);border-bottom:1px solid rgba(255,255,255,0.08)}
.footer-brand .logo{margin-bottom:var(--space-24)}
.footer-brand .logo-name{color:var(--color-white)}
.footer-brand .logo-tagline{color:rgba(255,255,255,0.5)}
.footer-description{font-size:var(--font-caption);color:rgba(255,255,255,0.5);line-height:1.7;max-width:320px;margin-bottom:var(--space-24)}
.footer-accreditation{display:inline-flex;align-items:center;gap:var(--space-8);padding:var(--space-8) var(--space-16);background:rgba(34,197,94,0.1);border-radius:100px;border:1px solid rgba(34,197,94,0.2)}
.footer-accreditation svg{width:16px;height:16px;color:var(--color-success)}
.footer-accreditation span{font-size:13px;font-weight:600;color:var(--color-success)}
.footer-column h4{font-size:15px;font-weight:700;color:var(--color-white);margin-bottom:var(--space-24)}
.footer-column ul{display:flex;flex-direction:column;gap:var(--space-12)}
.footer-column ul a{font-size:var(--font-caption);color:rgba(255,255,255,0.5);transition:color var(--transition-base)}
.footer-column ul a:hover{color:var(--color-white)}
.footer-contact-item{display:flex;align-items:flex-start;gap:var(--space-12)}
.footer-contact-item svg{width:16px;height:16px;color:var(--color-primary);margin-top:2px;flex-shrink:0}
.footer-contact-item span{font-size:var(--font-caption);color:rgba(255,255,255,0.5);line-height:1.6}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;padding:var(--space-24) 0}
.footer-copyright{font-size:13px;color:rgba(255,255,255,0.35)}
.footer-legal{display:flex;gap:var(--space-24)}
.footer-legal a{font-size:13px;color:rgba(255,255,255,0.35);transition:color var(--transition-base)}
.footer-legal a:hover{color:rgba(255,255,255,0.7)}

/* ============================================
   RESPONSIVE
   ============================================ */
@media(max-width:1024px){
  .nav-links{display:none}
  .menu-toggle{display:flex}

  .nav-links.mobile-open{display:flex;flex-direction:column;position:fixed;top:0;left:0;width:100%;height:100vh;background:var(--color-navy);z-index:999;justify-content:center;align-items:center;gap:var(--space-32);padding:var(--space-48)}
  .nav-links.mobile-open a{font-size:20px;color:rgba(255,255,255,0.85)}
  .nav-links.mobile-open .nav-cta{margin-top:var(--space-16)}
  .mobile-close{position:absolute;top:var(--space-24);right:var(--space-24);width:44px;height:44px;display:flex;align-items:center;justify-content:center;color:var(--color-white);font-size:28px;cursor:pointer;background:none;border:none}

  .dest-card-grid{grid-template-columns:1fr}
  .dest-image-wrapper{min-height:280px}
  .dest-content{padding:var(--space-48)}

  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--space-32)}
}

@media(max-width:640px){
  .hero{height:55vh;min-height:380px}
  .hero-content{padding:0 var(--space-24) var(--space-48)}

  .destinations-section{padding:var(--space-80) 0}

  .destination-tabs{gap:var(--space-4)}
  .dest-tab{padding:var(--space-8) var(--space-16);font-size:12px}

  .dest-content{padding:var(--space-32)}
  .dest-content h3{font-size:24px}

  .footer-grid{grid-template-columns:1fr;gap:var(--space-32)}
  .footer-bottom{flex-direction:column;gap:var(--space-16);text-align:center}
  .footer-legal{flex-wrap:wrap;justify-content:center}
}