:root{--bg-color:#f4f4f9;--surface-color:#ffffff;--primary-color:#3f51b5;--text-color:#121212;--text-secondary-color:#555;--border-color:#e0e0e0;--shadow-color:rgba(0, 0, 0, 0.1);--hover-bg-color:#f0f0f0}body[data-theme="dark"]{--bg-color:#121212;--surface-color:#1e1e1e;--primary-color:#03dac6;--text-color:#e0e0e0;--text-secondary-color:#a0a0a0;--border-color:#333;--shadow-color:rgba(0, 0, 0, 0.5);--hover-bg-color:#2a2a2a}*{box-sizing:border-box;margin:0;padding:0}body{font-family:'Roboto',sans-serif;background-color:var(--bg-color);color:var(--text-color);line-height:1.6;display:flex;flex-direction:column;min-height:100vh;transition:background-color 0.3s,color 0.3s;padding-top:70px}header{position:fixed;top:0;left:0;width:100%;display:flex;justify-content:space-between;align-items:center;padding:0 1rem;height:70px;background-color:var(--surface-color);border-bottom:1px solid var(--border-color);box-shadow:0 2px 10px var(--shadow-color);z-index:1000;transition:background-color 0.3s,border-color 0.3s}.header-title{font-size:1.5rem;font-weight:700;display:flex;align-items:center;gap:.75rem;color:var(--primary-color)}.header-controls{display:flex;align-items:center;gap:.5rem}.control-btn{background:none;border:none;color:var(--text-secondary-color);font-size:1.25rem;padding:.5rem;cursor:pointer;border-radius:50%;width:40px;height:40px;display:grid;place-items:center;transition:background-color 0.2s,color 0.2s}.control-btn:hover{background-color:var(--hover-bg-color);color:var(--primary-color)}main{flex:1;width:100%;max-width:1200px;margin:0 auto;padding:2rem 1rem}h1,h2,h3{font-weight:700;color:var(--text-color);text-align:center;margin-bottom:1rem}p{text-align:center;color:var(--text-secondary-color)}.section-description{max-width:600px;margin:-.5rem auto 1.5rem auto}.user-clock-section{text-align:center;margin-bottom:4rem;padding:2rem 0;border-radius:12px;transition:background-color 0.3s}#user-location{font-size:2.5rem;font-weight:300;color:var(--text-secondary-color)}.clock-display{font-family:var(--clock-font,'Roboto Mono',monospace);font-size:var(--clock-zoom,8rem);font-weight:700;color:var(--clock-color,var(--primary-color));letter-spacing:-2px;margin:.5rem 0;transition:font-size 0.3s,color 0.3s,font-family 0.3s}.date-display{font-size:1.5rem;font-family:var(--clock-font,'Roboto Mono',monospace);color:var(--clock-color,var(--text-color));transition:color 0.3s,font-family 0.3s;height:2rem}.user-clock-section:fullscreen{background-color:var(--bg-color);display:flex;flex-direction:column;justify-content:center;align-items:center;height:100%;width:100%}.user-clock-section:fullscreen .clock-display{font-size:20vw}.user-clock-section:fullscreen .date-display{font-size:5vw}.user-clock-section:fullscreen #user-location{font-size:6vw}.meeting-planner-section{background-color:var(--surface-color);padding:2rem;border-radius:12px;border:1px solid var(--border-color);margin-bottom:4rem}.meeting-planner-section h2{font-size:2rem}.planner-controls{display:flex;justify-content:center;gap:1rem;margin-bottom:2rem}#planner-city-select,#planner-add-btn{padding:.8rem 1.2rem;font-size:1rem;border:1px solid var(--border-color);background-color:var(--bg-color);color:var(--text-color);border-radius:25px;outline:none}#planner-add-btn{background-color:var(--primary-color);color:#fff;cursor:pointer;border:none}.planner-grid-wrapper{overflow-x:auto;padding-bottom:1rem}#planner-grid{display:grid;grid-template-columns:150px repeat(24,40px);gap:4px;min-width:1200px}.planner-header,.planner-row{display:contents}.planner-header-label,.planner-city-name{font-weight:700;padding:.5rem;text-align:right;position:sticky;left:0;background:var(--surface-color);display:flex;align-items:center;justify-content:flex-end;gap:8px}.remove-city-btn{background:none;border:1px solid var(--border-color);color:var(--text-secondary-color);cursor:pointer;border-radius:50%;width:20px;height:20px;line-height:18px;text-align:center}.planner-hour-label,.planner-hour-cell{background-color:var(--bg-color);border-radius:4px;text-align:center;font-size:.8rem;padding:.5rem 0}.planner-hour-cell.work{background-color:#2e7d32}.planner-hour-cell.shoulder{background-color:#ff8f00}.planner-hour-cell.off{background-color:#424242}body[data-theme="light"] .planner-hour-cell.off{background-color:#e0e0e0}.planner-legend{display:flex;justify-content:center;gap:1.5rem;margin-top:1.5rem;font-size:.9rem;flex-wrap:wrap}.legend-box{display:inline-block;width:14px;height:14px;border-radius:3px;vertical-align:middle;margin-right:5px}.legend-box.work{background-color:#2e7d32}.legend-box.shoulder{background-color:#ff8f00}.legend-box.off{background-color:#424242}body[data-theme="light"] .legend-box.off{background-color:#e0e0e0}.city-grid-section{margin-bottom:4rem}.city-grid-section h2{font-size:2rem;margin-bottom:2rem}.search-container{margin:0 auto 2rem auto;max-width:600px}#city-search-input{width:100%;padding:.8rem 1.2rem;font-size:1.1rem;border-radius:25px;border:1px solid var(--border-color);background-color:var(--surface-color);color:var(--text-color);outline:none;transition:border-color 0.2s,box-shadow 0.2s}#city-search-input:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px color-mix(in srgb,var(--primary-color) 30%,transparent)}.city-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1rem}.city-link{background-color:var(--surface-color);color:var(--text-color);text-decoration:none;padding:1.25rem 1.5rem;border-radius:8px;text-align:center;font-size:1.1rem;transition:transform 0.2s ease-in-out,background-color 0.2s ease;border:1px solid var(--border-color)}.city-link:hover{transform:translateY(-5px);background-color:var(--hover-bg-color);color:var(--primary-color)}.city-link strong{font-weight:700}.explanation-section{max-width:800px;margin:0 auto 4rem auto;padding:2rem;background-color:var(--surface-color);border-radius:8px;border:1px solid var(--border-color)}.explanation-section h3{font-size:1.8rem;color:var(--primary-color)}.explanation-section p{font-size:1.1rem;line-height:1.7}footer{width:100%;padding:2rem 1rem;border-top:1px solid var(--border-color);text-align:center}footer nav{display:flex;justify-content:center;gap:1.5rem;margin-bottom:1rem;flex-wrap:wrap}footer nav a{color:var(--text-secondary-color);text-decoration:none;font-size:1rem}footer nav a:hover{color:var(--primary-color);text-decoration:underline}footer .copyright{font-size:.9rem;color:#666}body[data-theme="dark"] footer .copyright{color:#888}.settings-modal{position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgb(0 0 0 / .6);display:flex;justify-content:center;align-items:center;z-index:1001;opacity:0;visibility:hidden;transition:opacity 0.3s,visibility 0.3s}.settings-modal.visible{opacity:1;visibility:visible}.settings-modal-content{background-color:var(--surface-color);padding:2rem;border-radius:12px;width:90%;max-width:500px;position:relative;box-shadow:0 5px 20px var(--shadow-color);transform:scale(.95);transition:transform 0.3s}.settings-modal.visible .settings-modal-content{transform:scale(1)}.settings-close-btn{position:absolute;top:10px;right:15px;background:none;border:none;font-size:2rem;color:var(--text-secondary-color);cursor:pointer}.settings-modal-content h2{text-align:left}.settings-modal-content fieldset{border:none;padding:0;margin-bottom:1.5rem}.settings-modal-content legend{font-weight:700;font-size:1.1rem;margin-bottom:.5rem}.radio-group,.checkbox-group{display:flex;gap:1.5rem;align-items:center}.radio-group label,.checkbox-group label{cursor:pointer}#font-select{width:100%;padding:.7rem;background-color:var(--bg-color);color:var(--text-color);border:1px solid var(--border-color);border-radius:5px;font-size:1rem}.color-picker{display:flex;gap:1rem}.color-swatch{width:35px;height:35px;border-radius:50%;cursor:pointer;border:3px solid #fff0;transition:border-color 0.2s}.color-swatch.selected{border-color:var(--primary-color)}@media (max-width:768px){body{padding-top:60px}header{height:60px}.header-title{font-size:1.2rem}.control-btn{font-size:1.1rem;width:35px;height:35px}.clock-display{--clock-zoom:5rem}#user-location{font-size:1.8rem}h2{font-size:1.8rem}.city-grid{grid-template-columns:1fr}}@media (max-width:480px){.header-title span{display:none}.clock-display{--clock-zoom:4rem}#user-location{font-size:1.5rem}.planner-controls{flex-direction:column}.planner-grid{grid-template-columns:120px repeat(24,35px);min-width:980px}.planner-city-name{font-size:.9rem}}.time-service{font-family:'Segoe UI',Roboto,'Helvetica Neue',sans-serif;color:#333;line-height:1.6;max-width:1200px;margin:0 auto;padding:20px}.highlight{color:#2563eb}.service-intro{display:flex;flex-direction:column;gap:40px;margin-bottom:60px}@media (min-width:768px){.service-intro{flex-direction:row;align-items:center}}.intro-text{flex:1}.intro-text h2{font-size:2.5rem;font-weight:700;margin-bottom:20px;line-height:1.2}.subtitle{font-size:1.2rem;color:#666;margin-bottom:30px}.cta-button{display:inline-block;background-color:#2563eb;color:#fff;padding:12px 24px;border-radius:8px;text-decoration:none;font-weight:600;transition:background-color 0.3s}.cta-button:hover{background-color:#1d4ed8}.intro-visual{flex:1;display:flex;justify-content:center}.time-demo{background:linear-gradient(135deg,#2563eb,#3b82f6);color:#fff;padding:30px;border-radius:16px;width:100%;max-width:400px;box-shadow:0 10px 15px -3px rgb(0 0 0 / .1);text-align:center}.demo-city{font-size:1.5rem;font-weight:600;margin-bottom:10px}.demo-time{font-size:3.5rem;font-weight:700;margin-bottom:5px;font-family:'Courier New',monospace}.demo-date{font-size:1.1rem;opacity:.9}.features-grid{display:grid;grid-template-columns:1fr;gap:30px;margin-bottom:60px}@media (min-width:768px){.features-grid{grid-template-columns:repeat(3,1fr)}}.feature-card{background:#fff;border-radius:12px;padding:30px;box-shadow:0 4px 6px -1px rgb(0 0 0 / .1);transition:transform 0.3s,box-shadow 0.3s}.feature-card:hover{transform:translateY(-5px);box-shadow:0 10px 15px -3px rgb(0 0 0 / .1)}.feature-icon{font-size:2.5rem;margin-bottom:20px}.feature-card h3{font-size:1.5rem;font-weight:600;margin-bottom:15px}.feature-card p{color:#666;margin-bottom:20px}.city-examples{display:grid;grid-template-columns:1fr 1fr;gap:10px;list-style:none;padding:0}.city-examples li{background:#f3f4f6;padding:8px 12px;border-radius:6px;font-size:.9rem}.search-demo{margin-top:20px}.search-bar{display:flex;border:1px solid #d1d5db;border-radius:8px;overflow:hidden}.search-bar input{flex:1;padding:10px 15px;border:none;outline:none}.search-bar button{background-color:#2563eb;color:#fff;border:none;padding:0 15px;cursor:pointer}.search-options{display:flex;flex-direction:column;gap:15px;margin-top:20px}.search-option{display:flex;align-items:center;gap:10px}.option-badge{background-color:#2563eb;color:#fff;width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.8rem}.how-it-works{margin-bottom:60px}.how-it-works h2{text-align:center;font-size:2rem;margin-bottom:40px}.steps{display:grid;grid-template-columns:1fr;gap:30px}@media (min-width:768px){.steps{grid-template-columns:repeat(3,1fr)}}.step{text-align:center;padding:30px;background:#fff;border-radius:12px;box-shadow:0 4px 6px -1px rgb(0 0 0 / .1)}.step-number{width:50px;height:50px;background-color:#2563eb;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:700;margin:0 auto 20px}.step h3{font-size:1.3rem;margin-bottom:15px}.technology{margin-bottom:60px}.technology h2{text-align:center;font-size:2rem;margin-bottom:40px}.tech-features{display:grid;grid-template-columns:1fr;gap:30px}@media (min-width:768px){.tech-features{grid-template-columns:repeat(3,1fr)}}.tech-feature{text-align:center;padding:30px;background:#fff;border-radius:12px;box-shadow:0 4px 6px -1px rgb(0 0 0 / .1)}.tech-icon{font-size:2.5rem;margin-bottom:20px}.tech-feature h3{font-size:1.3rem;margin-bottom:15px}.creator-story{background-color:#f9fafb;padding:60px 20px;margin-bottom:60px;border-radius:16px}.story-content{display:flex;flex-direction:column;gap:40px;max-width:1200px;margin:0 auto}@media (min-width:768px){.story-content{flex-direction:row;align-items:center}}.story-text{flex:1}.story-text h2{font-size:2rem;margin-bottom:30px}.creator-info{display:flex;align-items:center;gap:15px;margin-bottom:30px}.creator-avatar{width:60px;height:60px;background-color:#2563eb;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:700}.creator-details h4{font-size:1.3rem;margin-bottom:5px}.creator-details p{color:#666}.story-quote{font-size:1.2rem;font-style:italic;color:#444;margin-bottom:30px;padding-left:20px;border-left:4px solid #2563eb}.story-points{display:flex;flex-direction:column;gap:20px}.story-point{display:flex;align-items:flex-start;gap:15px}.point-icon{font-size:1.5rem;margin-top:3px}.story-image{flex:1}.image-placeholder{background-color:#e5e7eb;border-radius:16px;height:400px;width:100%}.faq-section{margin-bottom:60px}.faq-section h2{text-align:center;font-size:2rem;margin-bottom:40px}.faq-container{max-width:800px;margin:0 auto}.faq-item{margin-bottom:15px;border:1px solid #e5e7eb;border-radius:8px;overflow:hidden}.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;padding:20px;background:#fff;border:none;cursor:pointer;font-size:1.1rem;font-weight:600;text-align:left}.faq-question:hover{background-color:#f9fafb}.toggle-icon{font-size:1.5rem;font-weight:400}.faq-answer{padding:0 20px;max-height:0;overflow:hidden;transition:max-height 0.3s ease-out,padding 0.3s ease}.faq-answer p{padding-bottom:20px}.faq-item.active .faq-answer{max-height:200px;padding:0 20px 20px}.story-image{flex:1;display:flex;justify-content:center;align-items:center}.creator-image{max-width:70%;height:auto;border-radius:16px;box-shadow:0 10px 15px -3px rgb(0 0 0 / .1)}.time-article{--bg:#ffffff;--ink:#0f172a;--muted:#475569;--border:#e2e8f0;--accent:#2563eb;max-width:auto;margin:0;padding:24px;background:var(--bg);color:var(--ink);border:1px solid var(--border);border-radius:16px;box-shadow:0 4px 20px rgb(2 6 23 / .06);line-height:1.75;text-align:left}.time-article .article-title{font-size:clamp(1.8rem, 2.4vw, 2.4rem);line-height:1.2;margin:0 0 16px;font-weight:700;text-align:left}.time-article h2{font-size:clamp(1.4rem, 2vw, 1.8rem);margin:24px 0 8px;border-left:4px solid var(--accent);padding-left:10px;text-align:left}.time-article h3{font-size:clamp(1.1rem, 1.6vw, 1.2rem);margin:18px 0 6px;text-align:left}.time-article p{margin:10px 0;font-size:1rem;color:var(--ink);text-align:left}.social-links{display:flex;gap:16px;margin-top:16px}.social-link{display:flex;align-items:center;gap:6px;text-decoration:none;font-size:1rem;font-weight:500;padding:8px 14px;border-radius:8px;transition:background 0.3s ease,color 0.3s ease}.social-link i{font-size:1.2rem}.social-link.gmail{background:#ef4444;color:#fff}.social-link.gmail:hover{background:#dc2626}.social-link.pinterest{background:#e60023;color:#fff}.social-link.pinterest:hover{background:#c1001a}@media (max-width:768px){.story-content{flex-direction:column;text-align:center}.creator-avatar{margin:0 auto}.social-links{justify-content:center}}