@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--color-primary: #000000;--color-secondary: #1d1d1f;--color-tertiary: #2d2d2d;--color-accent: #2997ff;--color-accent-dark: #0071e3;--color-accent-light: #42a5ff;--color-background: #000000;--color-surface: #1d1d1f;--color-surface-light: rgba(255, 255, 255, .08);--color-text: #f5f5f7;--color-text-secondary: #86868b;--color-text-tertiary: #6e6e73;--border-radius: 14px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .2);--shadow-md: 0 4px 12px rgba(0, 0, 0, .3);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .4);--transition-fast: .2s;--transition-normal: .3s;--transition-slow: .5s}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:linear-gradient(135deg,#000,#1a1a1a,#000);min-height:100vh;color:#f5f5f7;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}@media (min-width: 768px){.container{padding:0 48px}}.header{position:fixed;top:0;left:0;right:0;background:#000c;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);z-index:1000}.nav{height:44px;display:flex;justify-content:space-between;align-items:center}.logo{font-size:1.25rem;font-weight:600;color:var(--color-text);text-decoration:none;letter-spacing:-.5px}.nav-links{display:none}@media (min-width: 768px){.nav-links{display:flex;gap:2.5rem}.nav-link{font-size:.875rem;color:var(--color-text-secondary);text-decoration:none;transition:color var(--transition-fast)}.nav-link:hover{color:var(--color-text)}}.hero{padding:120px 0 80px;text-align:center;background:linear-gradient(180deg,rgba(0,0,0,0) 0%,var(--color-background) 100%);position:relative;overflow:hidden}.hero:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at center,#7c3aed1a,#0000 50%);animation:rotate 20s linear infinite}@keyframes rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.hero-title{font-size:clamp(2.5rem,8vw,5rem);line-height:1.1;background:linear-gradient(135deg,#fff,#f5f5f7);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:2rem;position:relative;z-index:1}.hero-description{font-size:clamp(1.125rem,2vw,1.25rem);color:var(--color-text-secondary);max-width:800px;margin:0 auto}.form-container{background:#ffffff08;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-radius:var(--border-radius);padding:2rem;margin:2rem auto;max-width:1000px;box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.1);transform:translateY(0);transition:all .3s ease}.form-container:hover{transform:translateY(-5px);box-shadow:0 12px 48px #7c3aed1a}.form-grid{display:grid;gap:2rem}@media (min-width: 768px){.form-grid{grid-template-columns:1fr 1fr}}.form-label{display:block;font-size:.875rem;color:var(--color-text-secondary);margin-bottom:.5rem}.form-input{width:100%;padding:12px 16px;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-radius:var(--border-radius);color:var(--color-text);font-size:1rem;transition:all .3s ease}.form-input:focus{outline:none;border-color:#7c3aed80;box-shadow:0 0 0 4px #7c3aed1a}.btn-primary{width:100%;padding:12px 24px;background:linear-gradient(135deg,#7c3aed,#6d28d9);color:var(--color-text);border:none;border-radius:var(--border-radius);font-size:1rem;font-weight:500;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 12px #7c3aed33}.btn-primary:hover{background:linear-gradient(135deg,#6d28d9,#5b21b6);transform:translateY(-2px);box-shadow:0 8px 24px #7c3aed4d}.love-message-result{background:#ffffff08;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-radius:var(--border-radius);padding:1.5rem;margin-bottom:1.5rem;border:1px solid rgba(255,255,255,.1);transition:all .3s ease}.love-message-result:hover{transform:translateY(-5px);box-shadow:0 12px 48px #7c3aed1a}.love-message-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.source-tag{font-size:.75rem;color:var(--color-text-secondary);background:var(--color-surface-light);padding:4px 12px;border-radius:100px}.score-badge{font-size:.75rem;font-weight:500;padding:4px 12px;border-radius:100px}.score-high{background:#30d1581a;color:#30d158}.score-medium{background:#ff9f0a1a;color:#ff9f0a}.score-low{background:#ff453a1a;color:#ff453a}.loading-spinner{width:40px;height:40px;border:3px solid rgba(124,58,237,.1);border-top-color:#7c3aed;border-radius:50%;animation:spin 1s linear infinite;margin:2rem auto}@keyframes spin{to{transform:rotate(360deg)}}.features{padding:80px 0}.section-title{font-size:clamp(2rem,3vw,2.5rem);font-weight:700;text-align:center;margin-bottom:3rem}.features-grid{display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.feature-card{position:relative;overflow:hidden;background:#ffffff08;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-radius:var(--border-radius);padding:2rem;text-align:center;transition:transform var(--transition-normal)}.feature-card:hover{transform:translateY(-8px)}.feature-card:after{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at center,#7c3aed1a,#0000 70%);opacity:0;transition:opacity .3s ease}.feature-card:hover:after{opacity:1}.feature-icon{font-size:2.5rem;margin-bottom:1rem}.feature-title{font-size:1.25rem;font-weight:600;margin-bottom:1rem}.feature-description{color:var(--color-text-secondary);font-size:.875rem}.footer{background:var(--color-surface);padding:4rem 0;margin-top:4rem}.footer-grid{display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.footer-title{font-size:1rem;font-weight:600;margin-bottom:1rem}.footer-link{color:var(--color-text-secondary);text-decoration:none;font-size:.875rem;transition:color var(--transition-fast)}.footer-link:hover{color:var(--color-accent)}@media (max-width: 640px){.hero{padding:100px 0 60px}.form-container{padding:1.5rem}.features{padding:60px 0}}.animate-fade-in{animation:fadeIn .8s cubic-bezier(.16,1,.3,1) forwards}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#ffffff08}::-webkit-scrollbar-thumb{background:#7c3aed4d;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#7c3aed80}@media (max-width: 768px){.hero-title{font-size:clamp(2rem,6vw,3.5rem)}.form-container{margin:1rem;padding:1.5rem}.feature-card{margin:1rem}}.gradient-text{background:linear-gradient(135deg,#7c3aed,#6d28d9,#7c3aed,#6d28d9,#7c3aed);background-size:200% auto;-webkit-background-clip:text;background-clip:text;color:transparent;animation:gradient 3s linear infinite}@keyframes gradient{to{background-position:200% center}}.love-message-result.error{background:#ff453a1a;border-color:#ff453a33}.love-message-result.error .love-message-content{color:#ff453a;text-align:center;padding:2rem}.generating-message{background:#ffffff08;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-radius:var(--border-radius);padding:2rem;text-align:center;color:var(--color-text-secondary);font-size:1.1rem;border:1px solid rgba(255,255,255,.1)}.form-input option{background:var(--color-surface);color:var(--color-text);padding:8px}.form-input:focus option:hover{background:var(--color-accent)}