/* ===== RESET & BASE ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;color:#0f172a;background:#ffffff;line-height:1.6;overflow-x:hidden;}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;}
ul{list-style:none;}

/* ===== CSS VARIABLES ===== */
:root{
  --navy:#0b1f3b;
  --navy-soft:#122750;
  --blue:#1d4ed8;
  --blue-soft:#2563eb;
  --blue-light:#dbeafe;
  --gold:#facc15;
  --gold-dark:#ca8a04;
  --text:#0f172a;
  --text-muted:#6b7280;
  --text-light:#94a3b8;
  --border:#e5e7eb;
  --border-soft:#f1f5f9;
  --white:#ffffff;
  --danger:#ef4444;
  --green:#16a34a;
  --green-light:#dcfce7;
  --purple:#7c3aed;
  --purple-light:#ede9fe;
  --teal:#0d9488;
  --teal-light:#ccfbf1;
  --orange:#ea580c;
  --orange-light:#ffedd5;
  --red-light:#fee2e2;
  --radius:14px;
  --radius-lg:20px;
  --shadow:0 4px 20px rgba(15,23,42,0.08);
  --shadow-lg:0 8px 40px rgba(15,23,42,0.14);
  --shadow-xl:0 20px 60px rgba(15,23,42,0.2);
}

/* ===== CONTAINER ===== */
.container{max-width:1180px;margin:0 auto;padding:0 24px;}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 24px;border-radius:10px;font-size:0.9rem;font-weight:600;cursor:pointer;border:none;transition:all 0.2s ease;text-decoration:none;white-space:nowrap;}
.btn-primary{background:var(--blue-soft);color:#fff;}
.btn-primary:hover{background:var(--blue);transform:translateY(-1px);box-shadow:0 4px 16px rgba(37,99,235,0.35);}
.btn-ghost{background:rgba(255,255,255,0.12);color:#fff;border:1px solid rgba(255,255,255,0.25);}
.btn-ghost:hover{background:rgba(255,255,255,0.2);}
.btn-outline{background:transparent;color:var(--blue-soft);border:2px solid var(--blue-soft);}
.btn-outline:hover{background:var(--blue-soft);color:#fff;}
.btn-lg{padding:14px 32px;font-size:1rem;border-radius:12px;}

/* ===== NAV ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;padding:0;transition:background 0.3s,box-shadow 0.3s;}
.nav.scrolled{background:rgba(11,31,59,0.97);backdrop-filter:blur(12px);box-shadow:0 2px 20px rgba(11,31,59,0.4);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px;max-width:1180px;margin:0 auto;padding:0 24px;}
.nav-brand{display:flex;align-items:center;gap:10px;}
.nav-logo{height:44px;width:auto;max-width:120px;object-fit:contain;background:#fff;border-radius:10px;padding:3px 6px;box-shadow:0 2px 8px rgba(0,0,0,0.25);}
.nav-brand-text{font-size:0.95rem;font-weight:700;color:#fff;letter-spacing:-0.01em;display:none;}
.nav-brand-accent{color:var(--gold);}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{color:rgba(255,255,255,0.8);font-size:0.87rem;font-weight:500;padding:7px 14px;border-radius:8px;transition:color 0.2s,background 0.2s;}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,0.1);}
.nav-links .nav-cta{background:var(--blue-soft);color:#fff;padding:8px 20px;border-radius:9px;margin-left:8px;}
.nav-links .nav-cta:hover{background:var(--blue);transform:translateY(-1px);}
.nav-links a.active{color:#fff;background:rgba(255,255,255,0.1);}
.nav-hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px;}
.nav-hamburger span{display:block;width:22px;height:2px;background:#fff;border-radius:2px;transition:all 0.3s;}

/* ===== HERO ===== */
.hero{min-height:100vh;background:linear-gradient(135deg,#0b1f3b 0%,#0f2d5e 40%,#1e3a8a 100%);display:flex;align-items:center;padding:100px 0 60px;position:relative;overflow:hidden;}
.hero-bg-shapes{position:absolute;inset:0;pointer-events:none;}
.hero-shape{position:absolute;border-radius:50%;opacity:0.06;}
.hero-shape-1{width:600px;height:600px;background:var(--blue-soft);top:-200px;right:-150px;animation:float 8s ease-in-out infinite;}
.hero-shape-2{width:400px;height:400px;background:var(--gold);bottom:-100px;left:-100px;animation:float 10s ease-in-out infinite reverse;}
.hero-shape-3{width:250px;height:250px;background:#60a5fa;top:50%;right:30%;animation:float 6s ease-in-out infinite 2s;}
@keyframes float{0%,100%{transform:translateY(0) rotate(0deg);}50%{transform:translateY(-20px) rotate(5deg);}}
.hero .container{display:flex;align-items:center;gap:60px;position:relative;z-index:1;}
.hero-content{flex:1;max-width:580px;}
.hero-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(250,204,21,0.15);border:1px solid rgba(250,204,21,0.3);color:var(--gold);font-size:0.78rem;font-weight:600;padding:6px 14px;border-radius:999px;margin-bottom:24px;letter-spacing:0.04em;}
.hero-title{font-size:clamp(2.2rem,5vw,3.4rem);font-weight:800;color:#fff;line-height:1.15;letter-spacing:-0.02em;margin-bottom:20px;}
.hero-title-accent{color:var(--gold);}
.hero-subtitle{font-size:1.05rem;color:rgba(255,255,255,0.72);line-height:1.7;margin-bottom:32px;max-width:480px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:40px;}
.hero-stats{display:flex;align-items:center;gap:24px;}
.hero-stat{text-align:center;}
.hero-stat-num{display:block;font-size:1.6rem;font-weight:800;color:#fff;line-height:1;}
.hero-stat-label{font-size:0.72rem;color:rgba(255,255,255,0.5);text-transform:uppercase;letter-spacing:0.08em;margin-top:2px;}
.hero-stat-divider{width:1px;height:36px;background:rgba(255,255,255,0.15);}
.hero-visual{flex-shrink:0;}
.hero-phone{position:relative;}
.hero-phone-inner{background:linear-gradient(145deg,#1e293b,#0f172a);border-radius:28px;padding:12px;box-shadow:0 30px 80px rgba(0,0,0,0.6),inset 0 1px 0 rgba(255,255,255,0.1);width:240px;border:1px solid rgba(255,255,255,0.08);animation:phoneFloat 5s ease-in-out infinite;}
@keyframes phoneFloat{0%,100%{transform:translateY(0);}50%{transform:translateY(-10px);}}
.hero-phone-topbar{display:flex;gap:5px;margin-bottom:10px;padding:2px 4px;}
.hero-phone-dot{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,0.2);}
.hero-phone-screen{background:#0b1f3b;border-radius:18px;padding:20px 16px;min-height:360px;display:flex;flex-direction:column;align-items:center;}
.hero-phone-logo-wrap{background:#fff;border-radius:14px;padding:8px 10px;margin-bottom:10px;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 10px rgba(0,0,0,0.3);}
.hero-phone-logo{width:90px;height:auto;max-height:70px;object-fit:contain;display:block;}
.hero-phone-title{font-size:0.75rem;font-weight:700;color:#fff;letter-spacing:0.08em;text-align:center;margin-bottom:4px;}
.hero-phone-sub{font-size:0.65rem;color:rgba(255,255,255,0.45);text-align:center;margin-bottom:20px;}
.hero-phone-cards{display:grid;grid-template-columns:1fr 1fr;gap:8px;width:100%;}
.hero-phone-card{background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.1);border-radius:10px;padding:10px 8px;font-size:0.65rem;color:rgba(255,255,255,0.75);text-align:center;font-weight:500;}

/* ===== SECTIONS BASE ===== */
.section{padding:96px 0;}
.section-tag{display:inline-block;background:var(--blue-light);color:var(--blue);font-size:0.75rem;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;padding:5px 14px;border-radius:999px;margin-bottom:14px;}
.section-title{font-size:clamp(1.8rem,4vw,2.6rem);font-weight:800;color:var(--navy);letter-spacing:-0.02em;margin-bottom:14px;line-height:1.2;}
.section-subtitle{font-size:1.05rem;color:var(--text-muted);max-width:580px;line-height:1.7;margin-bottom:56px;}

/* ===== ABOUT ===== */
.about{background:#fafbff;}
.about .section-title,.about .section-subtitle{text-align:center;margin-left:auto;margin-right:auto;}
.about .section-tag{display:block;text-align:center;margin:0 auto 14px;}
.about-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px;}
.about-card{background:#fff;border-radius:var(--radius-lg);padding:28px 24px;border:1px solid var(--border);transition:transform 0.2s,box-shadow 0.2s;}
.about-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.about-icon{font-size:2rem;margin-bottom:14px;}
.about-card h3{font-size:1rem;font-weight:700;color:var(--navy);margin-bottom:8px;}
.about-card p{font-size:0.87rem;color:var(--text-muted);line-height:1.65;}

/* ===== FEATURES ===== */
.features{background:#fff;}
.features .section-title,.features .section-subtitle{text-align:center;margin-left:auto;margin-right:auto;}
.features .section-tag{display:block;text-align:center;margin:0 auto 14px;}
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;}
.feature-item{display:flex;gap:16px;padding:22px;border-radius:var(--radius);border:1px solid var(--border);background:#fafbff;transition:transform 0.2s,box-shadow 0.2s;}
.feature-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.feature-icon-wrap{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0;}
.feature-icon-blue{background:var(--blue-light);}
.feature-icon-green{background:var(--green-light);}
.feature-icon-yellow{background:#fef9c3;}
.feature-icon-purple{background:var(--purple-light);}
.feature-icon-red{background:var(--red-light);}
.feature-icon-teal{background:var(--teal-light);}
.feature-icon-orange{background:var(--orange-light);}
.feature-icon-navy{background:#e0e7ff;}
.feature-item h4{font-size:0.9rem;font-weight:700;color:var(--navy);margin-bottom:5px;}
.feature-item p{font-size:0.82rem;color:var(--text-muted);line-height:1.6;}

/* ===== HOW IT WORKS ===== */
.how{background:linear-gradient(135deg,#0b1f3b 0%,#1e3a8a 100%);color:#fff;}
.how .section-tag{background:rgba(250,204,21,0.15);color:var(--gold);border:1px solid rgba(250,204,21,0.25);display:block;text-align:center;margin:0 auto 14px;}
.how .section-title{color:#fff;text-align:center;margin-left:auto;margin-right:auto;}
.how .section-subtitle{color:rgba(255,255,255,0.6);text-align:center;margin-left:auto;margin-right:auto;}
.steps{display:flex;align-items:flex-start;gap:16px;margin-bottom:56px;flex-wrap:wrap;}
.step{flex:1;min-width:200px;background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.1);border-radius:var(--radius-lg);padding:28px 22px;}
.step-num{width:40px;height:40px;border-radius:50%;background:var(--gold);color:var(--navy);font-size:1rem;font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:14px;}
.step-content h3{font-size:0.95rem;font-weight:700;color:#fff;margin-bottom:8px;}
.step-content p{font-size:0.83rem;color:rgba(255,255,255,0.6);line-height:1.65;}
.step-arrow{font-size:1.5rem;color:rgba(255,255,255,0.3);align-self:center;flex-shrink:0;display:none;}
.how-cta{text-align:center;}

/* ===== ROLES ===== */
.roles{background:#fafbff;}
.roles .section-title,.roles .section-subtitle{text-align:center;margin-left:auto;margin-right:auto;}
.roles .section-tag{display:block;text-align:center;margin:0 auto 14px;}
.roles-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;}
.role-card{border-radius:var(--radius-lg);padding:32px 26px;border:2px solid transparent;transition:transform 0.2s,box-shadow 0.2s;}
.role-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-xl);}
.role-card-buyer{background:linear-gradient(145deg,#eff6ff,#dbeafe);border-color:#bfdbfe;}
.role-card-merchant{background:linear-gradient(145deg,#f0fdf4,#dcfce7);border-color:#bbf7d0;}
.role-card-admin{background:linear-gradient(145deg,#f5f3ff,#ede9fe);border-color:#c4b5fd;}
.role-icon{font-size:2.2rem;margin-bottom:14px;}
.role-card h3{font-size:1.2rem;font-weight:800;color:var(--navy);margin-bottom:16px;}
.role-card ul{margin-bottom:24px;}
.role-card ul li{font-size:0.85rem;color:var(--text-muted);padding:5px 0;display:flex;align-items:center;gap:8px;}
.role-card ul li::before{content:'✓';font-weight:700;color:var(--green);flex-shrink:0;}
.role-btn{display:inline-flex;align-items:center;justify-content:center;width:100%;padding:11px 20px;border-radius:10px;font-size:0.87rem;font-weight:600;background:var(--navy);color:#fff;transition:background 0.2s,transform 0.2s;}
.role-btn:hover{background:var(--blue-soft);transform:translateY(-1px);}

/* ===== CONTACT ===== */
.contact{background:#fff;}
.contact .section-title,.contact .section-subtitle{text-align:center;margin-left:auto;margin-right:auto;}
.contact .section-tag{display:block;text-align:center;margin:0 auto 14px;}
.contact-grid{display:grid;grid-template-columns:1fr 1.6fr;gap:48px;align-items:start;}
.contact-info{display:flex;flex-direction:column;gap:20px;}
.contact-item{display:flex;gap:14px;align-items:flex-start;padding:18px;border-radius:var(--radius);background:var(--border-soft);border:1px solid var(--border);}
.contact-item-icon{font-size:1.3rem;flex-shrink:0;margin-top:2px;}
.contact-item strong{display:block;font-size:0.82rem;font-weight:700;color:var(--navy);margin-bottom:2px;}
.contact-item span{font-size:0.83rem;color:var(--text-muted);}
.contact-form{background:#fafbff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px 28px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-group{margin-bottom:18px;}
.form-group label{display:block;font-size:0.8rem;font-weight:600;color:var(--navy);margin-bottom:6px;}
.form-group input,.form-group textarea{width:100%;padding:10px 14px;border-radius:9px;border:1.5px solid var(--border);font-size:0.87rem;font-family:inherit;color:var(--text);background:#fff;transition:border-color 0.2s,box-shadow 0.2s;}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--blue-soft);box-shadow:0 0 0 3px rgba(37,99,235,0.1);}
.form-group textarea{resize:vertical;min-height:110px;}
.contact-form .btn{width:100%;justify-content:center;}
.form-success{display:none;margin-top:14px;padding:12px 16px;background:var(--green-light);color:var(--green);border-radius:9px;font-size:0.85rem;font-weight:600;text-align:center;}
.form-success.show{display:block;}

/* ===== FOOTER ===== */
.footer{background:var(--navy);color:rgba(255,255,255,0.7);padding:60px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px;}
.footer-logo{height:60px;width:auto;max-width:150px;object-fit:contain;margin-bottom:12px;background:#fff;border-radius:12px;padding:6px 10px;box-shadow:0 2px 10px rgba(0,0,0,0.3);}
.footer-brand-name{font-size:0.95rem;font-weight:700;color:#fff;margin-bottom:8px;}
.footer-tagline{font-size:0.8rem;line-height:1.6;color:rgba(255,255,255,0.45);max-width:220px;}
.footer-col-title{font-size:0.72rem;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;color:rgba(255,255,255,0.35);margin-bottom:14px;}
.footer-col{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:0.83rem;color:rgba(255,255,255,0.6);transition:color 0.2s;}
.footer-col a:hover{color:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.08);padding:20px 0;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:0.78rem;color:rgba(255,255,255,0.3);}

/* ===== BACK TO TOP ===== */
.back-to-top{position:fixed;bottom:28px;right:24px;z-index:900;width:44px;height:44px;border-radius:50%;background:var(--blue-soft);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px rgba(37,99,235,0.4);opacity:0;transform:translateY(12px) scale(0.85);transition:opacity 0.25s,transform 0.25s,background 0.2s;pointer-events:none;}
.back-to-top.visible{opacity:1;transform:translateY(0) scale(1);pointer-events:auto;}
.back-to-top:hover{background:var(--blue);transform:translateY(-2px) scale(1);}

/* ===== HAMBURGER X ANIMATION ===== */
.nav-hamburger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-hamburger.is-open span:nth-child(2){opacity:0;transform:scaleX(0);}
.nav-hamburger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-hamburger span{transition:transform 0.25s ease,opacity 0.2s ease;}

/* ===== INPUT ERROR STATE ===== */
.form-group input.input-error,
.form-group textarea.input-error{border-color:var(--danger);box-shadow:0 0 0 3px rgba(239,68,68,0.12);}

/* ===== FORM ERROR MESSAGE ===== */
.form-error{display:none;margin-top:14px;padding:12px 16px;background:var(--red-light);color:var(--danger);border-radius:9px;font-size:0.85rem;font-weight:600;text-align:center;}
.form-error.show{display:block;}

/* ===== NAV always visible on scrolled pages (legal) ===== */
.nav.scrolled{background:rgba(11,31,59,0.97);backdrop-filter:blur(12px);box-shadow:0 2px 20px rgba(11,31,59,0.4);}

/* ===== ANIMATIONS ===== */
.fade-up{opacity:0;transform:translateY(24px);transition:opacity 0.55s ease,transform 0.55s ease;}
.fade-up.visible{opacity:1;transform:translateY(0);}

/* ===== RESPONSIVE ===== */
@media(max-width:900px){
  .hero .container{flex-direction:column;text-align:center;gap:40px;}
  .hero-content{max-width:100%;}
  .hero-subtitle{margin:0 auto 32px;}
  .hero-actions{justify-content:center;}
  .hero-stats{justify-content:center;}
  .hero-visual{order:-1;}
  .hero-phone-inner{width:200px;}
  .contact-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:768px){
  .nav-links{display:none;position:fixed;top:68px;left:0;right:0;background:var(--navy);flex-direction:column;gap:0;padding:16px 0 24px;border-top:1px solid rgba(255,255,255,0.1);}
  .nav-links.open{display:flex;}
  .nav-links a{padding:12px 24px;border-radius:0;width:100%;}
  .nav-links .nav-cta{margin:12px 24px 0;width:calc(100% - 48px);}
  .nav-hamburger{display:flex;}
  .step-arrow{display:block;}
  .steps{flex-direction:column;}
  .step-arrow{transform:rotate(90deg);align-self:center;}
  .form-row{grid-template-columns:1fr;}
}
@media(max-width:480px){
  .section{padding:64px 0;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;text-align:center;}
  .hero-phone-inner{width:180px;}
  .contact-form{padding:22px 18px;}
  .roles-grid{grid-template-columns:1fr;}
}