:root{--landing-primary: #6366f1;--landing-secondary: #8b5cf6;--landing-accent: #ec4899;--landing-dark: #0f172a;--landing-surface: rgba(30, 41, 59, .7);--landing-text: #e2e8f0;--landing-muted: #94a3b8}.landing-page{min-height:100vh;background:#0f172a;background:radial-gradient(circle at top,#1e1b4b,#0f172a);color:var(--landing-text);overflow-x:hidden}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.landing-header{position:fixed;top:0;left:0;right:0;height:80px;padding:0 2rem;display:flex;justify-content:space-between;align-items:center;z-index:50;background:#0f172acc;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.05)}.logo{display:flex;align-items:center;gap:.75rem;font-size:1.25rem;font-weight:700;color:#fff;text-decoration:none;letter-spacing:-.025em}.logo-icon{font-size:1.5rem}.nav-links{display:flex;gap:2.5rem;list-style:none;margin:0;padding:0}.nav-links a{color:var(--landing-muted);text-decoration:none;font-weight:500;font-size:.95rem;transition:color .2s}.nav-links a:hover{color:#fff}.header-buttons{display:flex;gap:1rem;align-items:center}.btn-ghost{background:transparent;color:#fff;border:none;padding:.5rem 1rem;font-weight:500;cursor:pointer;transition:color .2s}.btn-ghost:hover{color:var(--landing-primary)}.btn-small{padding:.5rem 1.25rem;font-size:.9rem}.hero-section{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:8rem 2rem 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5rem}.section-label{font-size:.875rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--landing-primary);margin-bottom:1rem;display:block}.section-title{font-size:2.5rem;font-weight:700;margin-bottom:1rem;color:#fff}.section-subtitle{color:var(--landing-muted);font-size:1.1rem}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;max-width:1200px;margin:0 auto}.feature-card{background:var(--landing-surface);border:1px solid rgba(255,255,255,.05);border-radius:20px;padding:2.5rem;transition:transform .3s ease,background .3s ease}.feature-card:hover{transform:translateY(-5px);background:#1e293b;border-color:#6366f14d}.feature-icon{width:56px;height:56px;background:#6366f11a;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.75rem;color:var(--landing-primary);margin-bottom:1.5rem}.feature-title{font-size:1.25rem;font-weight:700;margin-bottom:.75rem;color:#fff}.feature-description{color:var(--landing-muted);line-height:1.6}.how-it-works-section{padding:8rem 2rem;background:#1e293b}.steps-container{display:flex;flex-wrap:wrap;justify-content:center;gap:4rem;max-width:1100px;margin:0 auto}.step-card{flex:1;min-width:250px;text-align:center;position:relative}.step-number{width:64px;height:64px;background:var(--landing-primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.75rem;font-weight:700;margin:0 auto 2rem;position:relative;z-index:2;box-shadow:0 0 0 8px #6366f133}@media (min-width: 1024px){.step-card:not(:last-child):after{content:"";position:absolute;top:32px;left:50%;width:100%;height:2px;background:#ffffff1a;z-index:1}}.step-title{font-size:1.25rem;font-weight:700;margin-bottom:1rem;color:#fff}.step-description{color:var(--landing-muted);font-size:1rem;line-height:1.6}.cta-section{padding:8rem 2rem;background:linear-gradient(135deg,#4f46e5,#7c3aed);text-align:center;color:#fff}.cta-content{max-width:700px;margin:0 auto}.cta-title{font-size:2.5rem;font-weight:800;margin-bottom:1.5rem}.cta-subtitle{font-size:1.1rem;color:#ffffffe6;margin-bottom:2.5rem;line-height:1.6}.cta-section .btn-primary{background:#fff;color:var(--landing-primary);box-shadow:0 4px 15px #0003}.cta-section .btn-primary:hover{background:#f8fafc;color:var(--landing-primary-dark)}.landing-footer{padding:4rem 2rem;border-top:1px solid rgba(255,255,255,.05);background:#0f172a}.footer-content{max-width:1200px;margin:0 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rgba(255,255,255,.22);border-radius:24px;padding:3rem;width:100%;max-width:420px;margin:1rem;position:relative;box-shadow:0 25px 50px -12px #00000080;animation:scaleUp .3s ease}@keyframes scaleUp{0%{transform:scale(.95);opacity:0}to{transform:scale(1);opacity:1}}.modal-close{position:absolute;top:1.5rem;right:1.5rem;background:transparent;border:none;color:var(--landing-muted);cursor:pointer;font-size:1.5rem;transition:color .2s}.modal-close:hover{color:#fff}.modal-title{font-size:1.75rem;font-weight:700;text-align:center;margin-bottom:.5rem;color:#fff}.modal-subtitle{text-align:center;color:#cbd5e1;margin-bottom:2rem}.form-group{margin-bottom:1.25rem}.form-label{display:block;color:#e2e8f0;font-size:.9rem;margin-bottom:.5rem;font-weight:500}.form-input{width:100%;padding:.875rem 1rem;background:#0f172a;border:1px solid rgba(255,255,255,.28);border-radius:12px;color:#fff;font-size:1rem;transition:all .2s}.form-input::placeholder{color:#94a3b8;opacity:1}.form-input:focus{outline:none;border-color:var(--landing-primary);box-shadow:0 0 0 2px #6366f133}.form-input-error{border-color:#ef4444!important;box-shadow:0 0 0 2px #ef444433!important}.form-input-error:focus{border-color:#ef4444!important;box-shadow:0 0 0 2px #ef44444d!important}.form-field-error{color:#fca5a5;font-size:.85rem;margin-top:.5rem;display:block;animation:fadeIn .2s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.form-submit{width:100%;margin-top:1rem}.form-switch{text-align:center;margin-top:1.5rem;color:#cbd5e1;font-size:.95rem}.form-switch button{background:none;border:none;color:var(--landing-primary);font-weight:600;cursor:pointer;text-decoration:underline;margin-left:.25rem}.form-error{background:#ef44441a;border:1px solid rgba(239,68,68,.3);color:#fca5a5;padding:.75rem 1rem;border-radius:8px;margin-bottom:1rem;font-size:.9rem;animation:fadeIn .2s 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a{color:var(--ink-secondary);font-size:15px;font-weight:500;text-decoration:none;transition:color var(--duration-fast) var(--ease-standard)}.nav-links a:hover,.footer-links a:hover{color:var(--ink)}.header-buttons{display:flex;justify-content:flex-end;align-items:center;gap:8px}.mobile-menu-button{display:none}.hero-section{display:flex;min-height:600px;align-items:center;justify-content:center;padding:96px 24px 80px;background:var(--surface);text-align:center}.hero-content{max-width:900px}.hero-badge{display:inline-flex;align-items:center;gap:8px;margin-bottom:24px;padding:8px 14px;border-radius:var(--radius-pill);background:var(--surface-alt);color:var(--ink-secondary);font-size:13px;font-weight:600}.hero-title{max-width:900px;margin:0 auto 24px;color:var(--ink);font-size:clamp(40px,5vw,64px);font-weight:700;letter-spacing:-.03em;line-height:1.05}.hero-subtitle{max-width:680px;margin:0 auto 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.feature-card{background:var(--surface-alt);box-shadow:none}.feature-card:hover{transform:translateY(-1px);box-shadow:var(--shadow-hover)}.feature-icon{display:flex;width:48px;height:48px;align-items:center;justify-content:center;margin-bottom:24px;border-radius:var(--radius-md);background:#0b6bcb14}.feature-title,.step-title{margin:0 0 8px;color:var(--ink);font-size:19px;font-weight:650}.feature-description,.step-description{margin:0;color:var(--ink-secondary);font-size:15px;line-height:1.5}.steps-container{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;max-width:980px;margin:0 auto}.step-card{min-width:0;text-align:left}.step-number{display:flex;width:40px;height:40px;align-items:center;justify-content:center;margin:0 0 16px;border-radius:var(--radius-pill);background:var(--ink);color:var(--surface);font-size:15px;font-weight:650;box-shadow:none}.step-card:after{display:none}.cta-section{text-align:center}.cta-content{max-width:680px;margin:0 auto}.cta-subtitle{margin-bottom:24px}.landing-footer{padding:32px 24px;border-top:1px solid var(--hairline);background:var(--surface)}.footer-content{display:flex;max-width:1120px;align-items:center;justify-content:space-between;gap:24px;margin:0 auto}.footer-left,.footer-powered-by{display:flex;align-items:center;gap:8px;color:var(--ink-tertiary);font-size:13px}.footer-links{display:flex;gap:24px}.syntagent-logo{width:auto;height:22px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;display:flex;align-items:center;justify-content:center;padding:16px;background:#00000052;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.modal-content{position:relative;width:min(100%,440px);padding:32px;border:0;border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--shadow-modal)}.modal-close{position:absolute;top:16px;right:16px;display:flex;width:36px;height:36px;align-items:center;justify-content:center;padding:0;border:0;border-radius:var(--radius-pill);background:transparent;color:var(--ink-secondary);cursor:pointer}.modal-close:hover{background:var(--surface-alt);color:var(--ink)}.modal-title{margin:0 40px 8px;color:var(--ink);font-size:24px;text-align:center}.modal-subtitle{margin:0 0 24px;color:var(--ink-secondary);text-align:center}.form-group{margin-bottom:16px}.form-label{display:block;margin-bottom:8px;color:var(--ink);font-size:13px;font-weight:600}.form-input{width:100%;padding:12px 14px;border:1px solid var(--hairline);border-radius:var(--radius-sm);background:var(--surface);color:var(--ink);font:inherit}.form-input::placeholder{color:var(--ink-tertiary)}.form-error,.form-success{margin-bottom:16px;padding:12px;border-radius:var(--radius-sm);font-size:13px}.form-error{background:#fff2f2;color:#a11d1d}.form-success{background:#eef8f1;color:#23653a}.form-field-error{display:block;margin-top:6px;color:#a11d1d;font-size:12px}.form-submit{width:100%;justify-content:center;margin-top:8px}.form-switch{margin-top:20px;color:var(--ink-secondary);font-size:13px;text-align:center}.form-switch button,.forgot-password-link{padding:0;border:0;background:transparent;color:var(--accent);font:inherit;font-weight:600;cursor:pointer}.forgot-password-link{margin:0 0 12px}@media (max-width: 760px){.landing-header{grid-template-columns:1fr auto auto;height:64px;padding:0 16px}.mobile-menu-button{display:flex;width:40px;height:40px;align-items:center;justify-content:center;margin-right:4px;padding:0;border:0;border-radius:var(--radius-pill);background:transparent;color:var(--ink)}.landing-header nav{position:absolute;top:64px;left:0;right:0;display:none;padding:16px;border-bottom:1px solid var(--hairline);background:var(--surface)}.landing-header nav.open{display:block}.nav-links{flex-direction:column;gap:4px}.nav-links a{display:block;padding:12px}.header-buttons{gap:0}.header-buttons .btn-small{display:none}.header-buttons .btn-ghost{padding:10px 12px;white-space:nowrap}.hero-section{min-height:auto;padding:72px 20px 48px}.hero-title{font-size:40px;line-height:1.08}.hero-subtitle{font-size:17px}.hero-buttons{flex-direction:column}.hero-buttons .btn-primary,.hero-buttons .btn-secondary{justify-content:center;width:100%}.proof-strip{grid-template-columns:1fr;gap:16px;margin:0 16px;padding:24px}.features-section,.how-it-works-section,.cta-section{padding:48px 20px}.section-header{margin-bottom:32px}.section-title,.cta-title{font-size:32px}.features-grid,.steps-container{grid-template-columns:1fr;gap:16px}.feature-card{padding:24px}.footer-content{align-items:flex-start;flex-direction:column}.modal-content{padding:28px 20px 24px}}.verify-email-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);padding:20px}.verify-email-container{background:#fff;border-radius:16px;padding:48px;max-width:500px;width:100%;text-align:center;box-shadow:0 20px 60px #0000004d}.verify-icon{margin:0 auto 24px;display:block}.verify-icon.success{color:#10b981}.verify-icon.error{color:#ef4444}.verify-icon.spinning{animation:spin 1s linear infinite;color:#667eea}@keyframes 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