/* ===== DESIGN TOKENS ===== */
:root {
  --bg-primary: #050811;
  --bg-secondary: #080d1a;
  --bg-card: rgba(12, 20, 40, 0.65);
  --bg-card-hover: rgba(16, 28, 55, 0.8);
  --bg-glass: rgba(10, 16, 32, 0.85);

  --border: rgba(80, 140, 255, 0.07);
  --border-hover: rgba(80, 140, 255, 0.18);
  --border-accent: rgba(59, 130, 246, 0.35);

  --text-primary: #edf2f7;
  --text-secondary: #8b9dc3;
  --text-muted: #506080;

  --accent: #3b82f6;
  --accent-light: #60a5fa;
  --accent-glow: rgba(59, 130, 246, 0.25);
  --green: #10b981;
  --green-glow: rgba(16, 185, 129, 0.25);
  --cyan: #06b6d4;
  --gold: #f59e0b;
  --gold-glow: rgba(245, 158, 11, 0.2);
  --red: #ef4444;

  --gradient-accent: linear-gradient(135deg, #3b82f6, #06b6d4);
  --gradient-green: linear-gradient(135deg, #10b981, #06b6d4);
  --gradient-gold: linear-gradient(135deg, #f59e0b, #ef4444);
  --gradient-hero: linear-gradient(180deg, rgba(5,8,17,0) 0%, rgba(5,8,17,0.5) 35%, rgba(5,8,17,0.95) 100%);

  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --container: 1220px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 28px;

  --shadow-card: 0 4px 40px rgba(0,0,0,0.35);
  --shadow-glow: 0 0 50px rgba(59,130,246,0.12);
  --fast: 0.2s cubic-bezier(0.4,0,0.2,1);
  --smooth: 0.45s cubic-bezier(0.4,0,0.2,1);
}

/* ===== RESET ===== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
body{font-family:var(--font);background:var(--bg-primary);color:var(--text-primary);line-height:1.7;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none}
ul{list-style:none}

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

/* ===== PRELOADER ===== */
#preloader{position:fixed;inset:0;z-index:9999;background:var(--bg-primary);display:flex;align-items:center;justify-content:center;transition:opacity .5s,visibility .5s}
#preloader.hidden{opacity:0;visibility:hidden;pointer-events:none}
.loader{display:flex;gap:6px}
.loader span{width:8px;height:8px;background:var(--accent);border-radius:50%;animation:loaderBounce .6s ease-in-out infinite}
.loader span:nth-child(2){animation-delay:.1s}
.loader span:nth-child(3){animation-delay:.2s}
@keyframes loaderBounce{0%,100%{transform:translateY(0);opacity:.4}50%{transform:translateY(-12px);opacity:1}}

/* ===== PARTICLES ===== */
#particles-canvas{position:fixed;inset:0;z-index:0;pointer-events:none}

/* ===== HEADER ===== */
.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;padding:16px 0;transition:background var(--smooth),padding var(--smooth),box-shadow var(--smooth)}
.site-header.scrolled{background:rgba(5,8,17,0.92);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);padding:10px 0;box-shadow:0 1px 40px rgba(0,0,0,0.5)}
.header-inner{display:flex;align-items:center;justify-content:space-between}

.logo{display:flex;align-items:center;gap:12px;font-weight:700;font-size:1.25rem;letter-spacing:-0.5px}
.logo-mark{width:38px;height:38px;background:var(--gradient-accent);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1rem;font-weight:900;color:#fff;box-shadow:0 0 20px var(--accent-glow)}
.logo-label span{display:block;font-size:.65rem;font-weight:500;color:var(--text-muted);letter-spacing:1.5px;text-transform:uppercase;margin-top:-2px}

.nav{display:flex;align-items:center;gap:32px}
.nav a{font-size:.85rem;font-weight:500;color:var(--text-secondary);position:relative;transition:color var(--fast)}
.nav a::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--gradient-accent);border-radius:1px;transition:width var(--smooth)}
.nav a:hover,.nav a.active{color:var(--text-primary)}
.nav a:hover::after,.nav a.active::after{width:100%}

.nav-cta{padding:9px 22px!important;background:var(--gradient-accent)!important;border-radius:var(--radius-sm)!important;color:#fff!important;font-weight:600!important;font-size:.84rem!important;box-shadow:0 0 20px var(--accent-glow);transition:transform var(--fast),box-shadow var(--fast)!important}
.nav-cta::after{display:none!important}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 0 30px var(--accent-glow),0 4px 16px rgba(59,130,246,.3)}

.menu-toggle{display:none;flex-direction:column;gap:5px;background:none;padding:4px}
.menu-toggle span{width:22px;height:2px;background:var(--text-primary);border-radius:2px;transition:var(--fast)}

/* ===== HERO ===== */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.3;filter:brightness(.5) saturate(.7)}
.hero-bg::after{content:'';position:absolute;inset:0;background:var(--gradient-hero)}

.hero-grid{position:absolute;inset:0;z-index:1;background-image:linear-gradient(rgba(59,130,246,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(59,130,246,.025) 1px,transparent 1px);background-size:50px 50px;animation:gridDrift 25s linear infinite}
@keyframes gridDrift{0%{background-position:0 0}100%{background-position:50px 50px}}

/* Scan line */
.hero-scan{position:absolute;top:0;left:0;width:100%;height:2px;background:linear-gradient(90deg,transparent,var(--accent),transparent);z-index:2;animation:scanLine 4s ease-in-out infinite;opacity:.4}
@keyframes scanLine{0%{top:0}50%{top:100%}100%{top:0}}

.hero-content{position:relative;z-index:3;text-align:center;max-width:920px;padding:0 24px}

.hero-date{display:inline-flex;align-items:center;gap:10px;padding:8px 22px;background:rgba(59,130,246,.08);border:1px solid rgba(59,130,246,.18);border-radius:100px;font-size:.78rem;font-weight:600;color:var(--accent-light);margin-bottom:28px;letter-spacing:.5px;text-transform:uppercase}
.hero-date .live-dot{width:7px;height:7px;background:var(--green);border-radius:50%;animation:pulseDot 2s ease-in-out infinite;flex-shrink:0}
@keyframes pulseDot{0%,100%{box-shadow:0 0 0 0 var(--green-glow)}50%{box-shadow:0 0 0 6px transparent}}

.hero h1{font-size:clamp(2rem,4.5vw,3.2rem);font-weight:800;line-height:1.15;letter-spacing:-1.5px;margin-bottom:22px;background:linear-gradient(135deg,#fff 10%,#8bb8f8 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero h1 .accent{background:var(--gradient-accent);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}

.hero-sub{font-size:clamp(.95rem,1.6vw,1.12rem);color:var(--text-secondary);max-width:740px;margin:0 auto 38px;line-height:1.85}

.hero-buttons{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap}

.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 30px;border-radius:var(--radius-sm);font-weight:600;font-size:.92rem;transition:all var(--fast);letter-spacing:-.2px}
.btn-primary{background:var(--gradient-accent);color:#fff;box-shadow:0 0 28px var(--accent-glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 40px var(--accent-glow),0 8px 24px rgba(59,130,246,.2)}
.btn-outline{background:transparent;color:var(--text-primary);border:1px solid var(--border-hover)}
.btn-outline:hover{background:rgba(255,255,255,.04);border-color:var(--accent);transform:translateY(-2px)}

/* Hero Metrics Bar */
.hero-metrics{display:flex;align-items:center;justify-content:center;gap:48px;margin-top:56px;padding-top:36px;border-top:1px solid var(--border)}
.metric{text-align:center}
.metric .val{font-size:2rem;font-weight:800;letter-spacing:-1px;background:var(--gradient-accent);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.metric .lbl{font-size:.78rem;color:var(--text-muted);margin-top:2px;font-weight:500}

.scroll-hint{position:absolute;bottom:32px;left:50%;transform:translateX(-50%);z-index:3;display:flex;flex-direction:column;align-items:center;gap:6px;animation:bobFloat 2.5s ease-in-out infinite}
.scroll-hint span{font-size:.68rem;text-transform:uppercase;letter-spacing:2px;color:var(--text-muted)}
.scroll-mouse{width:22px;height:34px;border:2px solid var(--text-muted);border-radius:11px;position:relative}
.scroll-mouse::after{content:'';position:absolute;top:7px;left:50%;transform:translateX(-50%);width:3px;height:7px;background:var(--accent);border-radius:2px;animation:scrollDot 1.4s ease-in-out infinite}
@keyframes bobFloat{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(-6px)}}
@keyframes scrollDot{0%{opacity:1;transform:translateX(-50%) translateY(0)}100%{opacity:0;transform:translateX(-50%) translateY(10px)}}

/* ===== SECTIONS ===== */
.section{padding:110px 0;position:relative;z-index:1}

.section-header{text-align:center;max-width:700px;margin:0 auto 60px}
.section-label{display:inline-flex;align-items:center;gap:8px;font-size:.76rem;font-weight:600;text-transform:uppercase;letter-spacing:2.5px;color:var(--accent);margin-bottom:14px}
.section-label::before,.section-label::after{content:'';width:20px;height:1px;background:var(--accent);opacity:.4}
.section-title{font-size:clamp(1.7rem,3.2vw,2.5rem);font-weight:800;letter-spacing:-1px;line-height:1.2;margin-bottom:14px}
.section-desc{font-size:1rem;color:var(--text-secondary);line-height:1.75}

/* ===== OPPORTUNITIES / TARGET INSTITUTIONS ===== */
.opps-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}

.opp-card{position:relative;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:36px 32px;overflow:hidden;transition:all var(--smooth);cursor:pointer}
.opp-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--gradient-accent);transform:scaleX(0);transform-origin:left;transition:transform var(--smooth)}
.opp-card:hover{background:var(--bg-card-hover);border-color:var(--border-hover);transform:translateY(-5px);box-shadow:var(--shadow-glow)}
.opp-card:hover::before{transform:scaleX(1)}

.opp-header{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.opp-icon{width:50px;height:50px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:1.3rem;flex-shrink:0}
.opp-icon.blue{background:rgba(59,130,246,.1);color:var(--accent)}
.opp-icon.green{background:rgba(16,185,129,.1);color:var(--green)}
.opp-icon.cyan{background:rgba(6,182,212,.1);color:var(--cyan)}
.opp-icon.gold{background:rgba(245,158,11,.1);color:var(--gold)}

.opp-target{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:var(--accent-light);padding:3px 10px;background:rgba(59,130,246,.08);border:1px solid rgba(59,130,246,.12);border-radius:100px;white-space:nowrap}

.opp-card h3{font-size:1.12rem;font-weight:700;margin-bottom:10px;letter-spacing:-.3px}
.opp-card p{font-size:.88rem;color:var(--text-secondary);line-height:1.7}

.opp-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}
.opp-tags span{padding:4px 10px;background:rgba(59,130,246,.06);border:1px solid rgba(59,130,246,.1);border-radius:100px;font-size:.72rem;font-weight:500;color:var(--accent-light)}

/* ===== INVESTMENT MODEL ===== */
.invest-section{background:var(--bg-secondary)}

.invest-wrapper{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}

.invest-visual{position:relative;border-radius:var(--radius-xl);overflow:hidden;aspect-ratio:4/3;background:linear-gradient(145deg,#0c1a3a,#0f2847,#0a1628,#162a50);display:flex;align-items:center;justify-content:center}
.invest-visual .grid-bg{position:absolute;inset:0;background-image:linear-gradient(rgba(59,130,246,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(59,130,246,.04) 1px,transparent 1px);background-size:28px 28px}
.invest-visual-content{position:relative;z-index:2;text-align:center;padding:40px}
.invest-visual-content .flag{font-size:3.4rem;margin-bottom:14px}
.invest-visual-content .title{font-size:1.3rem;font-weight:700;letter-spacing:-.5px;margin-bottom:6px}
.invest-visual-content .subtitle{font-size:.82rem;color:var(--text-muted)}
.invest-visual-content .tags{display:flex;gap:10px;justify-content:center;margin-top:20px;flex-wrap:wrap}
.invest-visual-content .tags span{padding:5px 14px;border-radius:100px;font-size:.72rem;font-weight:600}
.invest-visual-content .tags .tag-blue{background:rgba(59,130,246,.12);border:1px solid rgba(59,130,246,.22);color:var(--accent-light)}
.invest-visual-content .tags .tag-green{background:rgba(16,185,129,.12);border:1px solid rgba(16,185,129,.22);color:var(--green)}
.invest-visual-content .tags .tag-gold{background:rgba(245,158,11,.12);border:1px solid rgba(245,158,11,.22);color:var(--gold)}
.invest-visual .corner-badge{position:absolute;bottom:20px;left:20px;z-index:3;padding:10px 18px;background:rgba(5,8,17,.8);backdrop-filter:blur(12px);border:1px solid var(--border);border-radius:var(--radius-md);font-size:.82rem;font-weight:600}

.invest-content h2{font-size:clamp(1.6rem,2.8vw,2.2rem);font-weight:800;letter-spacing:-1px;margin-bottom:18px;line-height:1.2}
.invest-content .accent-text{color:var(--accent-light)}
.invest-content>p{color:var(--text-secondary);font-size:.98rem;margin-bottom:28px;line-height:1.8}

.invest-features{display:flex;flex-direction:column;gap:16px}
.inv-feat{display:flex;align-items:flex-start;gap:14px;padding:18px;background:rgba(12,20,40,.45);border:1px solid var(--border);border-radius:var(--radius-md);transition:all var(--fast)}
.inv-feat:hover{border-color:var(--border-hover);background:rgba(16,28,55,.45)}
.inv-feat-icon{width:40px;height:40px;flex-shrink:0;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1rem}
.inv-feat-icon.blue{background:rgba(59,130,246,.1);color:var(--accent)}
.inv-feat-icon.green{background:rgba(16,185,129,.1);color:var(--green)}
.inv-feat-icon.gold{background:rgba(245,158,11,.1);color:var(--gold)}
.inv-feat h4{font-size:.92rem;font-weight:700;margin-bottom:3px}
.inv-feat p{font-size:.82rem;color:var(--text-secondary);line-height:1.6}

.standards-row{display:flex;align-items:center;gap:20px;margin-top:32px;padding:14px 0;border-top:1px solid var(--border);flex-wrap:wrap}
.standards-row span{font-size:.72rem;color:var(--text-muted);font-weight:600;white-space:nowrap;text-transform:uppercase;letter-spacing:1px}
.standards-row .dot{color:rgba(100,140,200,.2)}

/* ===== IMPACT ===== */
.impact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}

.impact-card{text-align:center;padding:44px 28px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);transition:all var(--smooth);position:relative;overflow:hidden}
.impact-card::after{content:'';position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--gradient-accent);transform:scaleX(0);transition:transform var(--smooth)}
.impact-card:hover{transform:translateY(-6px);border-color:var(--border-hover);box-shadow:var(--shadow-glow)}
.impact-card:hover::after{transform:scaleX(1)}

.impact-icon{width:60px;height:60px;border-radius:50%;margin:0 auto 20px;display:flex;align-items:center;justify-content:center;font-size:1.4rem}
.impact-icon.blue{background:rgba(59,130,246,.1);color:var(--accent)}
.impact-icon.green{background:rgba(16,185,129,.1);color:var(--green)}
.impact-icon.cyan{background:rgba(6,182,212,.1);color:var(--cyan)}

.impact-val{font-size:2.8rem;font-weight:800;letter-spacing:-2px;margin-bottom:6px;line-height:1}
.impact-val.blue{background:var(--gradient-accent);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.impact-val.green{background:var(--gradient-green);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}

.impact-card h3{font-size:1.08rem;font-weight:700;margin-bottom:8px;letter-spacing:-.3px}
.impact-card p{font-size:.84rem;color:var(--text-secondary);line-height:1.6}

/* ===== CONTACT ===== */
.contact-section{background:var(--bg-secondary)}

.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}

.contact-info h2{font-size:clamp(1.6rem,2.8vw,2.2rem);font-weight:800;letter-spacing:-1px;margin-bottom:14px;line-height:1.2}
.contact-info>p{color:var(--text-secondary);font-size:1rem;margin-bottom:36px;line-height:1.8}
.contact-info .accent-text{color:var(--accent-light)}

.channels{display:flex;flex-direction:column;gap:12px}
.ch{display:flex;align-items:center;gap:14px;padding:14px 18px;background:rgba(12,20,40,.45);border:1px solid var(--border);border-radius:var(--radius-md);transition:all var(--fast)}
.ch:hover{border-color:var(--border-hover);background:rgba(16,28,55,.45)}
.ch-icon{width:42px;height:42px;flex-shrink:0;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1.1rem}
.ch-icon.wa{background:rgba(37,211,102,.1);color:#25d366}
.ch-icon.em{background:rgba(59,130,246,.1);color:var(--accent)}
.ch-icon.loc{background:rgba(239,68,68,.1);color:var(--red)}
.ch h4{font-size:.88rem;font-weight:600}
.ch p{font-size:.78rem;color:var(--text-muted)}

.form-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);padding:36px}
.form-card h3{font-size:1.2rem;font-weight:700;margin-bottom:6px}
.form-card>p{font-size:.84rem;color:var(--text-muted);margin-bottom:24px}

.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-group{margin-bottom:14px}
.form-group label{display:block;font-size:.78rem;font-weight:600;color:var(--text-secondary);margin-bottom:5px}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:11px 14px;background:rgba(5,8,17,.5);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-family:var(--font);font-size:.88rem;transition:all var(--fast);outline:none}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}
.form-group textarea{resize:vertical;min-height:90px}
.form-group select option{background:var(--bg-primary);color:var(--text-primary)}

.btn-submit{width:100%;padding:13px;background:var(--gradient-accent);color:#fff;border-radius:var(--radius-sm);font-weight:700;font-size:.92rem;transition:all var(--fast);box-shadow:0 0 24px var(--accent-glow);margin-top:6px}
.btn-submit:hover{transform:translateY(-2px);box-shadow:0 0 32px var(--accent-glow),0 8px 24px rgba(59,130,246,.2)}

/* WhatsApp Float */
.wa-float{position:fixed;bottom:24px;right:24px;z-index:999;width:56px;height:56px;background:#25d366;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px rgba(37,211,102,.4);transition:all var(--fast);animation:waPulse 2s ease-in-out infinite}
.wa-float:hover{transform:scale(1.08);box-shadow:0 6px 30px rgba(37,211,102,.5)}
.wa-float svg{width:28px;height:28px;fill:#fff}
@keyframes waPulse{0%,100%{box-shadow:0 4px 20px rgba(37,211,102,.4)}50%{box-shadow:0 4px 20px rgba(37,211,102,.4),0 0 0 10px rgba(37,211,102,.08)}}

/* ===== FOOTER ===== */
.footer{padding:40px 0 24px;border-top:1px solid var(--border)}
.footer-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px}
.footer-copy{font-size:.78rem;color:var(--text-muted)}
.footer-links{display:flex;gap:20px}
.footer-links a{font-size:.78rem;color:var(--text-muted);transition:color var(--fast)}
.footer-links a:hover{color:var(--accent-light)}

/* ===== REVEAL ===== */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .65s cubic-bezier(.4,0,.2,1),transform .65s cubic-bezier(.4,0,.2,1)}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal-d1{transition-delay:.08s}
.reveal-d2{transition-delay:.16s}
.reveal-d3{transition-delay:.24s}
.reveal-d4{transition-delay:.32s}

/* Hero cascade */
.hero-content .hero-date{animation:fadeUp .7s ease forwards;animation-delay:.3s;opacity:0}
.hero-content h1{animation:fadeUp .7s ease forwards;animation-delay:.5s;opacity:0}
.hero-content .hero-sub{animation:fadeUp .7s ease forwards;animation-delay:.7s;opacity:0}
.hero-content .hero-buttons{animation:fadeUp .7s ease forwards;animation-delay:.9s;opacity:0}
.hero-content .hero-metrics{animation:fadeUp .7s ease forwards;animation-delay:1.1s;opacity:0}
@keyframes fadeUp{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:translateY(0)}}

/* Decorative */
.glow-orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.12;pointer-events:none;z-index:0}
.glow-orb.blue{background:var(--accent)}
.glow-orb.green{background:var(--green)}
.glow-orb.cyan{background:var(--cyan)}
.glow-orb.gold{background:var(--gold)}

/* ===== DETAIL LINK ON CARDS ===== */
.opp-card{cursor:pointer}
.opp-detail-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:.82rem;font-weight:600;color:var(--accent-light);transition:all var(--fast)}
.opp-detail-link:hover{gap:10px;color:#fff}
.opp-detail-link svg{transition:transform var(--fast)}
.opp-detail-link:hover svg{transform:translateX(3px)}

/* ===== DETAIL MODAL ===== */
.detail-modal{position:fixed;inset:0;z-index:2000;visibility:hidden;opacity:0;transition:opacity .35s ease,visibility .35s ease}
.detail-modal.open{visibility:visible;opacity:1}
.detail-modal .modal-backdrop{position:absolute;inset:0;background:rgba(3,5,12,.85);backdrop-filter:blur(8px)}
.detail-modal .modal-panel{position:absolute;inset:0;overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch;transform:translateY(30px);transition:transform .4s cubic-bezier(.4,0,.2,1);padding-bottom:80px;cursor:default}
.detail-modal.open .modal-panel{transform:translateY(0)}

/* Close */
.modal-close{position:fixed;top:20px;right:28px;z-index:2100;width:44px;height:44px;border-radius:50%;background:rgba(10,16,32,.8);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--text-secondary);transition:all var(--fast);backdrop-filter:blur(10px)}
.modal-close:hover{background:rgba(59,130,246,.15);border-color:var(--border-hover);color:#fff;transform:rotate(90deg)}
.modal-close svg{width:20px;height:20px}

/* Back button */
.modal-back{position:fixed;top:20px;left:28px;z-index:2100;display:flex;align-items:center;gap:8px;padding:8px 18px;border-radius:100px;background:rgba(10,16,32,.8);border:1px solid var(--border);color:var(--text-secondary);font-size:.82rem;font-weight:600;transition:all var(--fast);backdrop-filter:blur(10px)}
.modal-back:hover{background:rgba(59,130,246,.15);border-color:var(--border-hover);color:#fff}
.modal-back svg{width:16px;height:16px}

/* Modal Hero */
.modal-hero{position:relative;padding:120px 0 60px;text-align:center;border-bottom:1px solid var(--border);margin-bottom:60px;overflow:hidden}
.modal-hero::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(59,130,246,.02) 1px,transparent 1px),linear-gradient(90deg,rgba(59,130,246,.02) 1px,transparent 1px);background-size:40px 40px}
.modal-hero .mh-icon{width:72px;height:72px;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:1.8rem}
.modal-hero .mh-icon.green{background:rgba(16,185,129,.12);color:var(--green);box-shadow:0 0 40px var(--green-glow)}
.modal-hero .mh-icon.cyan{background:rgba(6,182,212,.12);color:var(--cyan);box-shadow:0 0 40px rgba(6,182,212,.2)}
.modal-hero .mh-icon.blue{background:rgba(59,130,246,.12);color:var(--accent);box-shadow:0 0 40px var(--accent-glow)}
.modal-hero .mh-icon.gold{background:rgba(245,158,11,.12);color:var(--gold);box-shadow:0 0 40px var(--gold-glow)}
.modal-hero h1{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:800;letter-spacing:-1px;margin-bottom:12px;line-height:1.2}
.modal-hero .mh-sub{font-size:1rem;color:var(--text-secondary);max-width:600px;margin:0 auto;line-height:1.7}
.modal-hero .mh-tags{display:flex;gap:8px;justify-content:center;margin-top:20px;flex-wrap:wrap}
.modal-hero .mh-tags span{padding:5px 14px;background:rgba(59,130,246,.08);border:1px solid rgba(59,130,246,.14);border-radius:100px;font-size:.72rem;font-weight:600;color:var(--accent-light)}

/* Modal Container */
.modal-container{max-width:1060px;margin:0 auto;padding:0 28px}

/* Modal Section */
.msec{margin-bottom:56px}
.msec-title{display:flex;align-items:center;gap:10px;font-size:1.15rem;font-weight:700;margin-bottom:24px;letter-spacing:-.3px}
.msec-title .msec-num{width:28px;height:28px;border-radius:50%;background:var(--gradient-accent);display:flex;align-items:center;justify-content:center;font-size:.72rem;font-weight:800;color:#fff;flex-shrink:0}

/* Architecture Diagram */
.arch-diagram{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:36px;overflow-x:auto}
.arch-flow{display:flex;align-items:center;justify-content:center;gap:0;flex-wrap:nowrap;min-width:600px;padding:20px 0}
.arch-node{display:flex;flex-direction:column;align-items:center;gap:8px;min-width:120px;text-align:center}
.arch-node .node-box{width:80px;height:80px;border-radius:var(--radius-md);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;border:1px solid var(--border);transition:all var(--fast)}
.arch-node .node-box:hover{border-color:var(--border-hover);transform:translateY(-3px);box-shadow:var(--shadow-glow)}
.arch-node .node-box.blue{background:rgba(59,130,246,.08)}
.arch-node .node-box.green{background:rgba(16,185,129,.08)}
.arch-node .node-box.cyan{background:rgba(6,182,212,.08)}
.arch-node .node-box.gold{background:rgba(245,158,11,.08)}
.arch-node .node-box.purple{background:rgba(139,92,246,.08)}
.arch-node .node-box svg{width:24px;height:24px}
.arch-node .node-box .node-label{font-size:.6rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary)}
.arch-node .node-name{font-size:.76rem;font-weight:600;color:var(--text-primary);max-width:110px}
.arch-arrow{display:flex;align-items:center;justify-content:center;min-width:50px;color:var(--text-muted)}
.arch-arrow svg{width:32px;height:32px}
.arch-arrow-label{font-size:.6rem;color:var(--text-muted);text-align:center;margin-top:2px}

/* Hardware Grid */
.hw-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.hw-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:24px;transition:all var(--fast)}
.hw-card:hover{border-color:var(--border-hover);transform:translateY(-3px);box-shadow:var(--shadow-glow)}
.hw-card .hw-icon{width:48px;height:48px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;margin-bottom:14px;font-size:1.5rem}
.hw-card .hw-icon.blue{background:rgba(59,130,246,.1);color:var(--accent)}
.hw-card .hw-icon.green{background:rgba(16,185,129,.1);color:var(--green)}
.hw-card .hw-icon.cyan{background:rgba(6,182,212,.1);color:var(--cyan)}
.hw-card .hw-icon.gold{background:rgba(245,158,11,.1);color:var(--gold)}
.hw-card .hw-icon.purple{background:rgba(139,92,246,.1);color:#8b5cf6}
.hw-card h4{font-size:.92rem;font-weight:700;margin-bottom:6px}
.hw-card p{font-size:.8rem;color:var(--text-secondary);line-height:1.6}
.hw-card .hw-spec{margin-top:10px;padding-top:10px;border-top:1px solid var(--border);font-size:.72rem;color:var(--accent-light);font-weight:600}

/* Implementation Timeline */
.timeline{position:relative;padding-left:32px}
.timeline::before{content:'';position:absolute;left:11px;top:4px;bottom:4px;width:2px;background:linear-gradient(180deg,var(--accent),var(--green),var(--cyan))}
.tl-step{position:relative;margin-bottom:28px;padding:20px 24px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);transition:all var(--fast)}
.tl-step:hover{border-color:var(--border-hover)}
.tl-step:last-child{margin-bottom:0}
.tl-step::before{content:'';position:absolute;left:-27px;top:24px;width:12px;height:12px;border-radius:50%;border:2px solid var(--accent);background:var(--bg-primary);z-index:1}
.tl-step:nth-child(2)::before{border-color:var(--green)}
.tl-step:nth-child(3)::before{border-color:var(--cyan)}
.tl-step:nth-child(4)::before{border-color:var(--gold)}
.tl-step:nth-child(5)::before{border-color:#8b5cf6}
.tl-step .tl-phase{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:1.5px;color:var(--accent-light);margin-bottom:6px}
.tl-step h4{font-size:.95rem;font-weight:700;margin-bottom:4px}
.tl-step p{font-size:.82rem;color:var(--text-secondary);line-height:1.6}
.tl-step .tl-dur{display:inline-flex;align-items:center;gap:4px;margin-top:8px;font-size:.7rem;font-weight:600;color:var(--text-muted);padding:3px 10px;background:rgba(59,130,246,.06);border-radius:100px}

/* Specs Table */
.specs-table{width:100%;border-collapse:collapse;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden}
.specs-table th,.specs-table td{padding:12px 18px;text-align:left;font-size:.84rem;border-bottom:1px solid var(--border)}
.specs-table th{background:rgba(59,130,246,.06);font-weight:700;font-size:.78rem;text-transform:uppercase;letter-spacing:.5px;color:var(--accent-light)}
.specs-table td{color:var(--text-secondary)}
.specs-table td:first-child{font-weight:600;color:var(--text-primary)}
.specs-table tr:last-child td{border-bottom:none}
.specs-table tr:hover td{background:rgba(59,130,246,.03)}

/* Key Benefits Box */
.benefits-box{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}
.benefit-item{display:flex;align-items:flex-start;gap:10px;padding:16px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md)}
.benefit-item .b-check{width:22px;height:22px;border-radius:50%;background:rgba(16,185,129,.12);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--green);margin-top:1px}
.benefit-item .b-check svg{width:12px;height:12px}
.benefit-item p{font-size:.82rem;color:var(--text-secondary);line-height:1.5}
.benefit-item p strong{color:var(--text-primary)}

/* Modal CTA */
.modal-cta{text-align:center;padding:48px 0;border-top:1px solid var(--border);margin-top:20px}
.modal-cta p{font-size:1.05rem;color:var(--text-secondary);margin-bottom:20px}
.modal-cta .btn{font-size:.95rem}

/* Lock body scroll when modal open */
body.modal-open{overflow:hidden}

/* ===== RESPONSIVE ===== */
@media(max-width:1024px){
  .opps-grid{grid-template-columns:1fr 1fr}
  .invest-wrapper,.contact-grid{grid-template-columns:1fr;gap:40px}
  .invest-visual{max-height:340px}
}
@media(max-width:768px){
  .section{padding:80px 0}
  .nav{display:none;position:fixed;top:0;left:0;width:100%;height:100vh;background:rgba(5,8,17,.98);backdrop-filter:blur(20px);flex-direction:column;align-items:center;justify-content:center;gap:28px;z-index:998}
  .nav.open{display:flex}
  .nav a{font-size:1.15rem}
  .menu-toggle{display:flex;z-index:999}
  .opps-grid,.impact-grid{grid-template-columns:1fr}
  .hero-metrics{flex-direction:column;gap:20px}
  .form-row{grid-template-columns:1fr}
  .hero h1{letter-spacing:-.5px}
  /* invest-visual: aspect-ratio kaldır, içeriğe göre yükseklik */
  .invest-visual{aspect-ratio:unset;height:auto;max-height:none;padding-bottom:64px}
  .invest-visual-content{padding:28px 20px}
  /* modal back/close buton konumlandırma */
  .modal-back{top:12px;left:12px;padding:6px 14px;font-size:.76rem}
  .modal-close{top:12px;right:12px;width:38px;height:38px}
  /* arch-diagram: mobilde tam genişlik scroll */
  .arch-diagram{padding:20px 12px}
  .arch-flow{min-width:520px}
  .arch-node{min-width:90px}
}
@media(max-width:480px){
  .hero-buttons{flex-direction:column;width:100%}
  .btn{width:100%;justify-content:center}
  .opp-card{padding:26px 22px}
  .form-card{padding:26px 18px}
  .arch-flow{min-width:460px}
  .arch-node{min-width:80px}
  .arch-node .node-box{width:60px;height:60px}
}