/* ============================================================
   LUISA / PERSONAL TRAINING — Design System
   ============================================================ */

:root {
  --graphite: #111514;
  --milk: #F4F2EC;
  --text: #171B19;
  --white: #FFFFFF;
  --lime: #B8E85A;
  --sage: #A5B0A7;
  --border: #D9DED8;
  --dark-green: #223029;
  --error: #B94B4B;
  --success: #3F7D58;

  --radius: 22px;
  --radius-sm: 14px;
  --font: 'Manrope', -apple-system, sans-serif;
  --shadow: 0 2px 16px rgba(17,21,20,0.06);
}

/* Reset */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);font-size:17px;line-height:1.55;color:var(--text);background:var(--milk);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none}
ul{list-style:none}
input,select,textarea{font:inherit;color:inherit}

/* Typography */
h1{font-size:clamp(32px,5vw,56px);font-weight:700;line-height:1.1;letter-spacing:-0.02em}
h2{font-size:clamp(24px,4vw,40px);font-weight:700;line-height:1.2;letter-spacing:-0.01em}
h3{font-size:clamp(20px,3vw,28px);font-weight:600;line-height:1.3}
.eyebrow{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:0.08em;color:var(--sage)}
.text-sm{font-size:15px;line-height:1.5;color:#5A635D}
.text-xs{font-size:13px;color:var(--sage)}

/* Layout */
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.container-narrow{max-width:820px;margin:0 auto;padding:0 24px}
section{padding:80px 0}
@media(max-width:768px){section{padding:56px 0}}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(244,242,236,0.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;flex-direction:column;line-height:1.15}
.logo-main{font-size:18px;font-weight:700;letter-spacing:0.06em;color:var(--graphite)}
.logo-sub{font-size:11px;text-transform:uppercase;letter-spacing:0.12em;color:var(--sage)}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{font-size:15px;font-weight:500;color:var(--text);transition:color 0.2s;position:relative}
.nav-links a:hover,.nav-links a.active{color:var(--graphite)}
.nav-links a.active::after{content:'';position:absolute;bottom:-4px;left:0;right:0;height:2px;background:var(--lime);border-radius:1px}
.nav-links a.btn-nav{padding:10px 22px;background:var(--lime);border-radius:var(--radius-sm);font-weight:600;color:var(--graphite)}
.nav-links a.btn-nav:hover{background:#A5D84A}
.menu-toggle{display:none;flex-direction:column;gap:5px;padding:8px}
.menu-toggle span{display:block;width:24px;height:2px;background:var(--graphite);border-radius:1px;transition:0.3s}
@media(max-width:900px){
  .menu-toggle{display:flex}
  .nav-links{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;background:var(--milk);padding:24px;border-bottom:1px solid var(--border);gap:16px}
  .nav-links.open{display:flex}
}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 32px;border-radius:var(--radius);font-weight:600;font-size:16px;transition:all 0.25s;gap:8px}
.btn-primary{background:var(--lime);color:var(--graphite)}
.btn-primary:hover{background:#A5D84A;transform:translateY(-1px)}
.btn-secondary{background:var(--white);color:var(--graphite);border:1.5px solid var(--border)}
.btn-secondary:hover{border-color:var(--graphite)}
.btn-dark{background:var(--graphite);color:var(--white)}
.btn-dark:hover{background:var(--dark-green)}
.btn-lg{padding:18px 40px;font-size:18px;border-radius:28px}

/* Cards */
.card{background:var(--white);border-radius:var(--radius);border:1px solid var(--border);padding:32px;transition:box-shadow 0.3s}
.card:hover{box-shadow:var(--shadow)}
.card-popular{border-color:var(--lime);position:relative}
.card-popular::before{content:'Популярный';position:absolute;top:-12px;left:24px;background:var(--lime);color:var(--graphite);padding:4px 14px;border-radius:20px;font-size:12px;font-weight:700;letter-spacing:0.04em}

/* Hero */
.hero{position:relative;min-height:80vh;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:linear-gradient(90deg,var(--milk) 45%,rgba(244,242,236,0.3) 70%,rgba(244,242,236,0) 100%)}
.hero-placeholder{position:absolute;inset:0;background:linear-gradient(135deg,var(--graphite) 0%,var(--dark-green) 50%,#1a2e22 100%)}
.hero-content{position:relative;z-index:2;padding:100px 0}
.hero-content h1{margin:12px 0 20px;max-width:700px}
.hero-content .hero-sub{font-size:18px;line-height:1.6;max-width:560px;color:#3D4540;margin-bottom:28px}
.hero-disclaimer{font-size:14px;color:var(--sage);margin-top:12px}
.hero-buttons{display:flex;gap:14px;flex-wrap:wrap}
.hero-tags{display:flex;gap:20px;margin-top:24px;flex-wrap:wrap}
.hero-tag{font-size:13px;color:var(--sage);display:flex;align-items:center;gap:6px}
.hero-tag::before{content:'';width:6px;height:6px;background:var(--lime);border-radius:50%}

/* Section headers */
.section-header{text-align:center;margin-bottom:48px}
.section-header h2{margin:8px 0 12px}
.section-header p{max-width:560px;margin:0 auto;color:#5A635D}

/* Grids */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
@media(max-width:768px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

/* Card components */
.service-card .service-icon{font-size:32px;margin-bottom:16px}
.service-card h3{margin-bottom:8px}
.service-card .service-price{font-size:22px;font-weight:700;color:var(--graphite);margin-top:16px}
.service-card .service-duration{font-size:14px;color:var(--sage)}

.step-card{text-align:center;padding:36px 24px}
.step-number{width:48px;height:48px;border-radius:50%;background:var(--lime);color:var(--graphite);display:inline-flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;margin-bottom:16px}

.package-card{text-align:center}
.package-card .package-name{font-size:18px;font-weight:600;margin-bottom:4px}
.package-card .package-sessions{font-size:36px;font-weight:700;color:var(--graphite);margin:12px 0 4px}
.package-card .package-sessions small{font-size:18px;font-weight:400;color:var(--sage)}
.package-card .package-price{font-size:24px;font-weight:700;margin:4px 0 16px}
.package-card .package-per{font-size:14px;color:var(--sage)}
.package-card .package-features{text-align:left;margin:20px 0;font-size:15px}
.package-card .package-features li{padding:6px 0;padding-left:20px;position:relative}
.package-card .package-features li::before{content:'';position:absolute;left:0;top:12px;width:8px;height:8px;background:var(--lime);border-radius:50%}

/* Testimonial */
.testimonial-card{padding:36px}
.testimonial-card .testimonial-photo{width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,var(--sage),var(--dark-green));margin-bottom:16px}
.testimonial-card .testimonial-text{font-size:16px;line-height:1.6;font-style:italic;margin-bottom:16px}
.testimonial-card .testimonial-name{font-weight:600}

/* FAQ */
.faq-item{border-bottom:1px solid var(--border);padding:24px 0}
.faq-q{font-size:18px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;width:100%;text-align:left}
.faq-q::after{content:'+';font-size:24px;font-weight:300;transition:transform 0.3s}
.faq-q.open::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 0.3s ease;font-size:16px;color:#5A635D}
.faq-a.open{max-height:300px;margin-top:12px}

/* Schedule */
.schedule-nav{display:flex;gap:8px;overflow-x:auto;padding-bottom:8px;margin-bottom:24px}
.schedule-day{flex-shrink:0;padding:10px 16px;border-radius:var(--radius-sm);font-size:14px;font-weight:500;background:var(--white);border:1px solid var(--border);cursor:pointer;text-align:center;min-width:70px}
.schedule-day.active{background:var(--graphite);color:var(--white);border-color:var(--graphite)}
.schedule-day .day-name{display:block;font-size:11px;text-transform:uppercase;opacity:0.7;margin-bottom:2px}
.schedule-slots{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px}
.slot-btn{padding:14px;border-radius:var(--radius-sm);text-align:center;font-size:14px;font-weight:500;border:1.5px solid var(--border);transition:all 0.2s;background:var(--white)}
.slot-btn.free{cursor:pointer;color:var(--graphite)}
.slot-btn.free:hover{border-color:var(--lime);background:#F7FAF2}
.slot-btn.free.selected{background:var(--lime);border-color:var(--lime)}
.slot-btn.busy{color:var(--sage);opacity:0.5;cursor:default}
.slot-btn.pending{color:#8B7500;border-color:#E8D44D;background:#FFFDF5;cursor:default}

/* Forms */
.form-group{margin-bottom:20px}
.form-label{display:block;font-size:14px;font-weight:600;margin-bottom:6px;color:var(--graphite)}
.form-input,.form-select,.form-textarea{width:100%;padding:14px 16px;border:1.5px solid var(--border);border-radius:var(--radius-sm);background:var(--white);font-size:16px;transition:border-color 0.2s}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--graphite)}
.form-textarea{min-height:100px;resize:vertical}
.form-check{display:flex;align-items:flex-start;gap:10px;font-size:14px;cursor:pointer}
.form-check input[type=checkbox]{margin-top:2px;accent-color:var(--graphite);width:18px;height:18px}
.form-error{color:var(--error);font-size:13px;margin-top:4px}
.form-success{background:var(--white);border:2px solid var(--lime);border-radius:var(--radius);padding:32px;text-align:center}
.form-radio-group{display:flex;flex-wrap:wrap;gap:10px}
.form-radio{padding:10px 18px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:14px;cursor:pointer;transition:all 0.2s;background:var(--white)}
.form-radio:hover{border-color:var(--graphite)}
.form-radio input{display:none}
.form-radio.selected{background:var(--graphite);color:var(--white);border-color:var(--graphite)}

/* Toast */
.toast{position:fixed;bottom:24px;right:24px;background:var(--graphite);color:var(--white);padding:14px 24px;border-radius:var(--radius);font-size:15px;z-index:200;animation:slideUp 0.3s ease;max-width:360px}
.toast.success{background:var(--success)}
.toast.error{background:var(--error)}
@keyframes slideUp{from{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}

/* Modal */
.modal-overlay{position:fixed;inset:0;background:rgba(17,21,20,0.5);z-index:150;display:flex;align-items:center;justify-content:center;padding:24px}
.modal{background:var(--white);border-radius:var(--radius);padding:36px;max-width:560px;width:100%;max-height:90vh;overflow-y:auto;position:relative}
.modal-close{position:absolute;top:16px;right:16px;font-size:24px;line-height:1;color:var(--sage);padding:4px 8px}

/* Footer */
.site-footer{background:var(--graphite);color:var(--milk);padding:48px 0 32px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}
.footer-col h4{font-size:14px;text-transform:uppercase;letter-spacing:0.08em;margin-bottom:16px;color:var(--sage)}
.footer-col a,.footer-col p{display:block;color:#B0B5B2;margin-bottom:8px;transition:color 0.2s}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,0.1);display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;color:#7A807C;font-size:12px}
@media(max-width:768px){.footer-grid{grid-template-columns:1fr}}

/* CTA section */
.cta-section{background:var(--graphite);color:var(--white);text-align:center;padding:80px 24px}
.cta-section h2{color:var(--white)}
.cta-section p{color:#B0B5B2;max-width:500px;margin:12px auto 28px}

/* About image placeholder */
.about-img{background:linear-gradient(135deg,var(--sage),var(--dark-green));border-radius:var(--radius);aspect-ratio:4/5;display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,0.3);font-size:14px}
.about-img-large{aspect-ratio:16/9}
.hero-img{aspect-ratio:16/9}

/* Principle cards */
.principle-card{display:flex;gap:20px;align-items:flex-start;padding:28px}
.principle-icon{flex-shrink:0;width:48px;height:48px;border-radius:14px;background:var(--lime);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;color:var(--graphite)}

/* Info banner */
.info-banner{background:var(--white);border-left:4px solid var(--lime);padding:20px 24px;border-radius:0 var(--radius) var(--radius) 0;font-size:15px;line-height:1.5;margin:24px 0}

/* Sticky CTA (mobile) */
.sticky-cta{display:none;position:fixed;bottom:0;left:0;right:0;padding:12px 16px;background:rgba(244,242,236,0.95);backdrop-filter:blur(10px);border-top:1px solid var(--border);z-index:90}
.sticky-cta .btn{width:100%}
@media(max-width:768px){.sticky-cta{display:block}}

/* Booking page layout */
.booking-steps{display:flex;gap:0;margin-bottom:32px;counter-reset:step}
.booking-step{flex:1;text-align:center;padding:12px;position:relative;font-size:14px;font-weight:500;color:var(--sage)}
.booking-step::after{content:'';position:absolute;top:50%;right:0;width:100%;height:2px;background:var(--border);z-index:-1}
.booking-step:last-child::after{display:none}
.booking-step.active{color:var(--graphite);font-weight:700}
.booking-step.done{color:var(--success)}
.booking-step::before{counter-increment:step;content:counter(step);display:block;width:28px;height:28px;border-radius:50%;background:var(--white);border:2px solid var(--border);margin:0 auto 6px;line-height:24px;font-size:13px;font-weight:700}
.booking-step.active::before{border-color:var(--graphite);background:var(--graphite);color:var(--white)}
.booking-step.done::before{border-color:var(--success);background:var(--success);color:var(--white);content:'✓'}

/* Links */
.link-underline{text-decoration:underline;text-underline-offset:3px}
.link-lime{color:var(--lime)}
.text-error{color:var(--error)}
.text-success{color:var(--success)}

/* Utility */
.mt-sm{margin-top:12px}
.mt-md{margin-top:24px}
.mt-lg{margin-top:48px}
.mb-sm{margin-bottom:12px}
.mb-md{margin-bottom:24px}
.mb-lg{margin-bottom:48px}
.text-center{text-align:center}
.hidden{display:none!important}
.spinner{width:24px;height:24px;border:3px solid var(--border);border-top-color:var(--graphite);border-radius:50%;animation:spin 0.6s linear infinite;margin:12px auto}
@keyframes spin{to{transform:rotate(360deg)}}

/* Service select cards in wizard */
.service-select{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px;margin-bottom:24px}
.service-option{padding:20px;border:2px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:all 0.2s;background:var(--white)}
.service-option:hover{border-color:var(--graphite)}
.service-option.selected{border-color:var(--lime);background:#F7FAF2}
.service-option h4{font-size:16px;margin-bottom:4px}
.service-option .opt-price{font-size:18px;font-weight:700;color:var(--graphite)}
.service-option .opt-dur{font-size:13px;color:var(--sage)}