/* Y-HULL® WEBSITE — DEEP NAVY + CYAN + WHITE */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@300;400;500;600;700&family=Barlow:wght@300;400;500;600;700&family=Barlow+Condensed:wght@400;500;600;700&display=swap');

:root {
  --navy:      #081626;
  --mid-navy:  #0d2137;
  --steel:     #112a40;
  --cyan:      #0097b2;
  --cyan-l:    #00b8d9;
  --cyan-d:    #006f85;
  --cyan-pale: #e0f7fa;
  --white:     #ffffff;
  --off:       #f4f9fa;
  --lgrey:     #c8dde3;
  --mgrey:     #6a8a9a;
  --text:      #1a2a35;
  --FD: 'Cormorant Garamond',serif;
  --FB: 'Barlow',sans-serif;
  --FC: 'Barlow Condensed',sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--FB);background:var(--white);color:var(--text);overflow-x:hidden;line-height:1.6}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
.container{max-width:1180px;margin:0 auto;padding:0 28px}
.section{padding:96px 0}
.s-dark{background:var(--navy);color:var(--white)}
.s-mid{background:var(--mid-navy);color:var(--white)}
.s-pale{background:var(--off)}
.s-cyan{background:var(--cyan)}
.tag{display:inline-block;font-family:var(--FC);font-size:11px;letter-spacing:3px;text-transform:uppercase;color:var(--cyan);margin-bottom:12px}
.s-dark .tag,.s-mid .tag{color:var(--cyan-l)}
.s-cyan .tag{color:rgba(255,255,255,.75)}
.h2{font-family:var(--FD);font-size:clamp(2rem,3.8vw,3rem);font-weight:600;line-height:1.15;margin-bottom:18px}
.sub{font-size:1rem;color:var(--mgrey);max-width:600px;line-height:1.7}
.s-dark .sub,.s-mid .sub{color:var(--lgrey)}
.s-cyan .sub{color:rgba(255,255,255,.85)}

/* TOPBAR */
.topbar{background:var(--cyan-d);padding:8px 0}
.topbar__i{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:rgba(255,255,255,.9);font-family:var(--FC);letter-spacing:.5px}
.topbar__i a{color:#fff;font-weight:600}

/* NAV */
nav{position:sticky;top:0;z-index:1000;background:var(--navy);border-bottom:2px solid var(--cyan);box-shadow:0 2px 20px rgba(0,0,0,.4)}
.nav-i{display:flex;align-items:center;justify-content:space-between;height:68px}
.nav-logo{display:flex;align-items:center;gap:10px}
.nav-logo img{height:36px;filter:brightness(0) invert(1) drop-shadow(0 0 4px rgba(0,184,217,.5))}
.nav-logo-text{font-family:var(--FD);font-size:1.35rem;font-weight:700;color:var(--white);line-height:1}
.nav-logo-text span{color:var(--cyan-l)}
.nav-logo-text small{display:block;font-family:var(--FC);font-size:9px;letter-spacing:2px;text-transform:uppercase;color:var(--mgrey);font-weight:400;margin-top:2px}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{font-family:var(--FC);font-size:12px;letter-spacing:1.5px;text-transform:uppercase;color:var(--lgrey);transition:color .2s;position:relative;padding-bottom:2px}
.nav-links a::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:1px;background:var(--cyan);transition:width .3s}
.nav-links a:hover,.nav-links a.active{color:var(--white)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-cta{background:var(--cyan)!important;color:var(--white)!important;padding:8px 18px!important;font-weight:600!important}
.nav-cta::after{display:none!important}
.nav-cta:hover{background:var(--cyan-d)!important}
.nav-toggle{display:none;cursor:pointer;flex-direction:column;gap:5px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--cyan);transition:.3s}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;font-family:var(--FC);font-size:12px;letter-spacing:2px;text-transform:uppercase;font-weight:600;cursor:pointer;transition:all .25s;border:none}
.btn-cyan{background:var(--cyan);color:var(--white)}
.btn-cyan:hover{background:var(--cyan-d);transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,151,178,.35)}
.btn-outline{background:transparent;color:var(--cyan-l);border:1px solid var(--cyan)}
.btn-outline:hover{background:var(--cyan);color:var(--white);transform:translateY(-2px)}
.btn-white{background:var(--white);color:var(--navy)}
.btn-white:hover{background:var(--cyan-pale);transform:translateY(-2px)}

/* HERO */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;background:var(--navy)}
.hero-bg{position:absolute;inset:0;background:url('../images/hero.jpg') center/cover no-repeat;opacity:.55}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(8,22,38,.95) 0%,rgba(0,111,133,.55) 60%,rgba(8,22,38,.8) 100%)}
.hero-grid{position:absolute;inset:0;background-image:radial-gradient(rgba(0,184,217,.05) 1px,transparent 1px);background-size:30px 30px}
.hero-content{position:relative;z-index:2;max-width:760px}
.hero-badge{display:inline-flex;align-items:center;gap:10px;background:rgba(0,151,178,.15);border:1px solid rgba(0,184,217,.4);padding:8px 18px;font-family:var(--FC);font-size:10px;letter-spacing:2.5px;text-transform:uppercase;color:var(--cyan-l);margin-bottom:28px}
.hero-title{font-family:var(--FD);font-size:clamp(3rem,7vw,6rem);font-weight:600;color:var(--white);line-height:1.04;margin-bottom:22px}
.hero-title em{font-style:italic;color:var(--cyan-l)}
.hero-sub{font-size:1.05rem;color:rgba(255,255,255,.82);line-height:1.8;max-width:580px;margin-bottom:40px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:56px}
.hero-stats{display:flex;gap:44px;padding-top:44px;border-top:1px solid rgba(0,151,178,.2);flex-wrap:wrap}
.hero-stat-num{font-family:var(--FD);font-size:2.6rem;font-weight:700;color:var(--cyan-l);line-height:1}
.hero-stat-lbl{font-family:var(--FC);font-size:10px;letter-spacing:1.5px;text-transform:uppercase;color:var(--lgrey);margin-top:5px}

/* STAT BAR */
.stat-bar{background:var(--cyan);padding:0}
.stat-bar-i{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.2)}
.sbox{background:var(--cyan);padding:28px 16px;text-align:center;transition:background .3s}
.sbox:hover{background:var(--cyan-d)}
.sbox-num{font-family:var(--FD);font-size:2.4rem;font-weight:700;color:var(--white);line-height:1;margin-bottom:6px}
.sbox-lbl{font-family:var(--FC);font-size:10px;letter-spacing:2px;text-transform:uppercase;color:rgba(255,255,255,.8)}

/* PATENT BADGE */
.patent-strip{background:linear-gradient(90deg,var(--cyan-d),var(--cyan),var(--cyan-d));padding:20px 0}
.patent-strip-i{display:flex;align-items:center;justify-content:center;gap:20px;flex-wrap:wrap}
.patent-strip span{font-family:var(--FC);font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--white)}
.patent-strip strong{font-family:var(--FD);font-size:1.1rem;color:var(--white)}

/* TECH POINTS */
.tech-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:start;margin-top:52px}
.tech-pt{display:flex;gap:16px;padding:22px;background:rgba(0,151,178,.06);border:1px solid rgba(0,151,178,.14);margin-bottom:12px;transition:border-color .3s}
.tech-pt:hover{border-color:rgba(0,151,178,.35)}
.tech-pt-icon{width:44px;height:44px;background:rgba(0,151,178,.15);border:1px solid rgba(0,151,178,.3);display:flex;align-items:center;justify-content:center;font-size:1.15rem;flex-shrink:0}
.tech-pt-title{font-family:var(--FC);font-size:11px;letter-spacing:1.5px;text-transform:uppercase;color:var(--cyan-l);margin-bottom:6px}
.tech-pt-text{font-size:.86rem;color:var(--lgrey);line-height:1.7}

/* CHART CONTAINERS */
.chart-wrap{background:rgba(255,255,255,.04);border:1px solid rgba(0,151,178,.2);padding:32px;margin-bottom:24px}
.chart-title{font-family:var(--FC);font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--cyan-l);margin-bottom:20px;text-align:center}
.chart-note{font-size:.78rem;color:var(--mgrey);text-align:center;margin-top:12px;font-style:italic}

/* BAR CHARTS */
.bar-chart{display:flex;flex-direction:column;gap:16px}
.bar-row{display:flex;align-items:center;gap:14px}
.bar-label{font-family:var(--FC);font-size:11px;letter-spacing:1px;text-transform:uppercase;color:var(--lgrey);width:80px;flex-shrink:0;text-align:right}
.bar-track{flex:1;height:36px;background:rgba(255,255,255,.06);border-radius:2px;overflow:hidden;position:relative}
.bar-fill{height:100%;display:flex;align-items:center;padding-left:12px;font-family:var(--FC);font-size:13px;font-weight:700;color:var(--white);letter-spacing:1px;transition:width 1.2s ease;position:relative}
.bar-fill.cyan{background:linear-gradient(90deg,var(--cyan-d),var(--cyan-l))}
.bar-fill.mono{background:linear-gradient(90deg,#2a6a8a,#4a9abc)}
.bar-fill.cat{background:linear-gradient(90deg,#1a5a7a,#3a8aaa)}

/* COLLAGE PROTECT */
.collage-wrap{position:relative;user-select:none;-webkit-user-select:none}
.collage-wrap img{width:100%;pointer-events:none;-webkit-user-drag:none;display:block}
.collage-wrap::after{content:'ShipDyn Ltd.® © 2025 — All Rights Reserved';position:absolute;bottom:0;left:0;right:0;background:rgba(8,22,38,.75);color:rgba(0,184,217,.8);font-family:var(--FC);font-size:10px;letter-spacing:2px;text-align:center;padding:6px;pointer-events:none}

/* TIMELINE */
.timeline{position:relative;padding-left:36px;margin-top:44px}
.timeline::before{content:'';position:absolute;left:8px;top:0;bottom:0;width:2px;background:linear-gradient(to bottom,var(--cyan),transparent)}
.tl-item{position:relative;margin-bottom:40px;padding:28px 32px;background:rgba(0,151,178,.06);border:1px solid rgba(0,151,178,.15);transition:border-color .3s}
.tl-item:hover{border-color:rgba(0,151,178,.4)}
.tl-item::before{content:'';position:absolute;left:-32px;top:32px;width:12px;height:12px;background:var(--cyan);border-radius:50%;border:2px solid var(--navy)}
.tl-year{font-family:var(--FC);font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--cyan-l);margin-bottom:6px}
.tl-title{font-family:var(--FD);font-size:1.2rem;font-weight:600;color:var(--white);margin-bottom:8px}
.tl-text{font-size:.88rem;color:var(--lgrey);line-height:1.7}

/* INFO CARDS */
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px}
.info-card{background:rgba(0,151,178,.08);border:1px solid rgba(0,151,178,.2);padding:32px 24px;text-align:center;transition:all .3s}
.info-card:hover{background:rgba(0,151,178,.15);transform:translateY(-4px)}
.info-card__icon{font-size:2rem;margin-bottom:14px}
.info-card__title{font-family:var(--FD);font-size:1.1rem;font-weight:600;color:var(--white);margin-bottom:8px}
.info-card__text{font-size:.85rem;color:var(--lgrey);line-height:1.6}

/* CONTACT */
.contact-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:60px;margin-top:48px}
.c-info-item{display:flex;gap:14px;padding:20px 0;border-bottom:1px solid rgba(0,151,178,.15)}
.c-info-item:last-child{border-bottom:none}
.c-icon{width:42px;height:42px;background:rgba(0,151,178,.12);border:1px solid rgba(0,151,178,.3);display:flex;align-items:center;justify-content:center;font-size:1.1rem;flex-shrink:0}
.c-label{font-family:var(--FC);font-size:10px;letter-spacing:2px;text-transform:uppercase;color:var(--cyan-l);margin-bottom:4px}
.c-value{color:var(--lgrey);font-size:.9rem;line-height:1.6}
.c-form{display:flex;flex-direction:column;gap:16px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.fg{display:flex;flex-direction:column;gap:6px}
.fg label{font-family:var(--FC);font-size:10px;letter-spacing:2px;text-transform:uppercase;color:var(--cyan-l)}
.fg input,.fg select,.fg textarea{background:rgba(0,151,178,.05);border:1px solid rgba(0,151,178,.2);padding:12px 16px;color:var(--white);font-family:var(--FB);font-size:.9rem;outline:none;transition:border-color .2s;width:100%}
.fg input:focus,.fg select:focus,.fg textarea:focus{border-color:var(--cyan)}
.fg input::placeholder,.fg textarea::placeholder{color:rgba(255,255,255,.25)}
.fg select option{background:var(--navy)}
.fg textarea{resize:vertical;min-height:120px}

/* INVENTOR */
.inventor-grid{display:grid;grid-template-columns:1fr 2fr;gap:56px;align-items:start}
.inventor-avatar{background:var(--mid-navy);border:3px solid var(--cyan);padding:40px;text-align:center}
.inventor-initials{font-family:var(--FD);font-size:5rem;font-weight:700;color:var(--cyan-l);line-height:1;margin-bottom:14px}
.inventor-name{font-family:var(--FD);font-size:1.4rem;font-weight:600;color:var(--white);margin-bottom:6px}
.inventor-title{font-family:var(--FC);font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--cyan-l)}
.cred-list{display:flex;flex-direction:column;gap:10px;margin-top:20px}
.cred-item{display:flex;gap:12px;align-items:start;padding:14px;background:rgba(0,151,178,.06);border:1px solid rgba(0,151,178,.12)}
.cred-item span:first-child{color:var(--cyan);flex-shrink:0;margin-top:2px}
.cred-item-text{font-size:.88rem;color:var(--lgrey);line-height:1.5}

/* PAGE HERO */
.page-hero{background:var(--navy);padding:80px 0 60px;position:relative;overflow:hidden;border-bottom:2px solid var(--cyan)}
.page-hero::before{content:'';position:absolute;inset:0;background:url('../images/hero.jpg') center/cover;opacity:.07}
.page-hero::after{content:'';position:absolute;inset:0;background-image:radial-gradient(rgba(0,184,217,.04) 1px,transparent 1px);background-size:28px 28px}
.page-hero-c{position:relative;z-index:2}
.breadcrumb{font-family:var(--FC);font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--cyan-l);margin-bottom:16px}
.breadcrumb a{color:rgba(0,184,217,.6)}
.breadcrumb a:hover{color:var(--cyan-l)}
.page-title{font-family:var(--FD);font-size:clamp(2.5rem,5vw,4.5rem);font-weight:600;color:var(--white);line-height:1.1}
.page-sub{margin-top:14px;font-size:1rem;color:var(--lgrey);max-width:580px;line-height:1.7}

/* FOOTER */
footer{background:var(--navy);border-top:3px solid var(--cyan);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;border-bottom:1px solid rgba(0,151,178,.1)}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-logo img{height:34px;filter:brightness(0) invert(1)}
.footer-logo-t{font-family:var(--FD);font-size:1.4rem;font-weight:700;color:var(--white)}
.footer-logo-t span{color:var(--cyan-l)}
.footer-desc{font-size:.84rem;color:var(--mgrey);line-height:1.7;margin-bottom:20px}
.footer-social{display:flex;gap:10px}
.footer-social a{width:32px;height:32px;border:1px solid rgba(0,151,178,.25);display:flex;align-items:center;justify-content:center;color:var(--mgrey);font-size:.8rem;transition:all .2s}
.footer-social a:hover{border-color:var(--cyan);color:var(--cyan-l)}
.footer-h{font-family:var(--FC);font-size:11px;letter-spacing:3px;text-transform:uppercase;color:var(--cyan-l);margin-bottom:20px}
.footer-links{display:flex;flex-direction:column;gap:9px}
.footer-links a{font-size:.84rem;color:var(--mgrey);transition:color .2s;display:flex;align-items:center;gap:5px}
.footer-links a::before{content:'→';opacity:0;transition:opacity .2s;font-size:.7rem}
.footer-links a:hover{color:var(--white)}
.footer-links a:hover::before{opacity:1}
.footer-bottom{padding:20px 0;display:flex;align-items:center;justify-content:space-between;font-size:.78rem;color:var(--mgrey);flex-wrap:wrap;gap:10px}
.footer-bottom a{color:var(--cyan-l)}

/* ANIMATIONS */
.fade-up{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.fade-up.visible{opacity:1;transform:translateY(0)}
.bar-fill{width:0!important}
.bar-fill.animate{transition:width 1.2s ease}

/* RESPONSIVE */
@media(max-width:1024px){
  .tech-grid{grid-template-columns:1fr}
  .info-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .inventor-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
  .section{padding:64px 0}
  .nav-links{display:none;flex-direction:column;position:absolute;top:68px;left:0;right:0;background:var(--navy);padding:20px 24px;gap:16px;border-top:2px solid var(--cyan)}
  .nav-links.open{display:flex}
  .nav-toggle{display:flex}
  .stat-bar-i{grid-template-columns:1fr 1fr}
  .hero-stats{gap:24px}
  .info-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .topbar{display:none}
}