/* feetalert.ru */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth;scroll-padding-top:70px}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;color:#1e293b;line-height:1.6;background:#fff}

/* Container */
.container{max-width:1120px;margin:0 auto;padding:0 24px}

/* Header */
.header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);border-bottom:1px solid #e2e8f0}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-weight:700;font-size:1.25rem;color:#0284c7;text-decoration:none;letter-spacing:.04em}
.nav-links{display:flex;gap:32px}
.nav-links a{color:#475569;text-decoration:none;font-size:.9rem;font-weight:500;transition:color .15s}
.nav-links a:hover{color:#0284c7}

/* Hero */
.hero{background:linear-gradient(160deg,#022e57 0%,#0369a1 40%,#0ea5e9 100%);color:#fff;overflow:hidden;position:relative}
.hero-inner{display:flex;align-items:center;width:100%;max-width:1200px;margin:0 auto;padding:100px 48px 0;gap:40px}
.hero-text{flex:1;padding-bottom:60px;position:relative;z-index:2}
.hero-greeting{font-size:.8rem;font-weight:600;letter-spacing:.15em;text-transform:uppercase;opacity:.7;margin-bottom:16px}
.hero-text h1{font-size:clamp(2.2rem,5vw,3.5rem);font-weight:700;line-height:1.08;margin-bottom:24px;letter-spacing:-.02em}
.hero-desc{font-size:1.05rem;line-height:1.7;opacity:.85;max-width:440px;margin-bottom:36px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;padding:13px 32px;background:#fff;color:#0369a1;border-radius:10px;text-decoration:none;font-weight:600;font-size:.9rem;transition:transform .15s,box-shadow .15s;border:2px solid transparent}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 32px rgba(0,0,0,.2)}
.btn-outline{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.4)}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.1)}

.hero-visual{position:relative;flex-shrink:0;width:440px;align-self:flex-end}
.hero-photo{position:relative;z-index:2;display:flex;justify-content:center}
.hero-photo img{display:block;width:300px;height:auto;object-fit:contain;filter:drop-shadow(0 12px 48px rgba(0,0,0,.3))}

.hero-cards{position:absolute;inset:0;z-index:3;pointer-events:none}
.hero-card{pointer-events:auto;position:absolute;display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.12);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.2);border-radius:14px;padding:12px 16px;color:#fff;white-space:nowrap;animation:hcFloat 3s ease-in-out infinite}
.hero-card svg{flex-shrink:0;opacity:.9}
.hero-card div{display:flex;flex-direction:column}
.hero-card strong{font-size:.82rem;font-weight:600;line-height:1.3}
.hero-card span{font-size:.7rem;opacity:.7;line-height:1.3}
.hc-1{top:10%;left:-30px;animation-delay:0s}
.hc-2{top:5%;right:-20px;animation-delay:.7s}
.hc-3{bottom:30%;left:-40px;animation-delay:1.4s}
.hc-4{bottom:22%;right:-24px;animation-delay:2.1s}
@keyframes hcFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

/* Sections */
.section-title{font-size:1.75rem;font-weight:700;text-align:center;margin-bottom:48px;color:#1e293b;position:relative}
.section-title::after{content:'';display:block;width:48px;height:4px;background:#0284c7;border-radius:2px;margin:12px auto 0}

/* About */
.about{padding:80px 0;background:#f8fafc}
.about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.about-card{background:#fff;border-radius:16px;padding:32px 24px;text-align:center;box-shadow:0 1px 3px rgba(0,0,0,.06),0 8px 24px rgba(0,0,0,.04);transition:transform .2s,box-shadow .2s}
.about-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,.08)}
.about-icon{width:56px;height:56px;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;background:#e0f2fe;color:#0284c7;border-radius:14px}
.about-card h3{font-size:1.15rem;font-weight:600;margin-bottom:12px;color:#0284c7}
.about-card p{color:#64748b;font-size:.95rem;line-height:1.7}

/* Projects */
.projects{padding:80px 0}
.project-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.project-card{background:#fff;border-radius:16px;padding:32px 28px;border:1px solid #e2e8f0;transition:transform .2s,box-shadow .2s,border-color .2s}
.project-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(2,132,199,.1);border-color:#bae6fd}
.project-tag{display:inline-block;background:#e0f2fe;color:#0369a1;font-size:.75rem;font-weight:600;padding:4px 12px;border-radius:20px;margin-bottom:16px;text-transform:uppercase;letter-spacing:.05em}
.project-card h3{font-size:1.25rem;font-weight:600;margin-bottom:10px;color:#1e293b}
.project-card p{color:#64748b;font-size:.95rem;line-height:1.7}

/* Clients */
.clients{padding:80px 0;background:#f8fafc}
.clients-subtitle{text-align:center;color:#64748b;font-size:1.1rem;margin-top:-32px;margin-bottom:48px}
.clients-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.client-card{background:#fff;border-radius:16px;padding:32px 24px;text-align:center;border:1px solid #e2e8f0;transition:transform .2s,box-shadow .2s,border-color .2s}
.client-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(2,132,199,.1);border-color:#bae6fd}
.client-icon{width:64px;height:64px;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;background:linear-gradient(135deg,#0284c7,#0ea5e9);color:#fff;border-radius:16px}
.client-card h3{font-size:1.15rem;font-weight:600;margin-bottom:12px;color:#1e293b}
.client-card p{color:#64748b;font-size:.95rem;line-height:1.7}

/* Portfolio / Slider */
.portfolio{padding:80px 0}
.slider{position:relative;max-width:960px;margin:0 auto}
.slider-track-wrapper{overflow:hidden;border-radius:16px}
.slider-track{display:flex;transition:transform .45s cubic-bezier(.4,0,.2,1)}
.slide{min-width:100%;box-sizing:border-box}
.slide img{width:100%;height:auto;display:block;border-radius:12px;box-shadow:0 4px 24px rgba(0,0,0,.08)}
.slider-btn{position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:44px;height:44px;border-radius:50%;border:none;background:rgba(255,255,255,.85);color:#1e293b;display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;transition:all .15s;backdrop-filter:blur(8px);box-shadow:0 2px 12px rgba(0,0,0,.12)}
.slider-btn:hover{background:#fff;box-shadow:0 4px 20px rgba(0,0,0,.18)}
.slider-prev{left:12px}
.slider-next{right:12px}
.slider-dots{display:flex;justify-content:center;gap:8px;margin-top:24px}
.dot{width:10px;height:10px;border-radius:50%;border:none;background:#cbd5e1;cursor:pointer;padding:0;transition:all .2s}
.dot.active{background:#0284c7;transform:scale(1.3)}

/* Contacts */
.contacts{padding:80px 0;background:#f8fafc}
.contacts-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.contact-card{display:flex;flex-direction:column;align-items:center;gap:8px;padding:32px 16px;background:#fff;border-radius:16px;border:1px solid #e2e8f0;text-decoration:none;transition:transform .2s,box-shadow .2s,border-color .2s}
.contact-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(2,132,199,.1);border-color:#bae6fd}
.contact-icon{width:56px;height:56px;display:flex;align-items:center;justify-content:center;border-radius:14px;color:#fff}
.contact-tg{background:#26a5e4}
.contact-vk{background:#0077ff}
.contact-discord{background:#5865f2}
.contact-mail{background:linear-gradient(135deg,#0284c7,#0ea5e9)}
.contact-label{font-weight:600;font-size:1rem;color:#1e293b}
.contact-handle{font-size:.85rem;color:#64748b}

/* Stack */
.stack{padding:80px 0;background:#fff}
.stack-groups{display:grid;grid-template-columns:repeat(2,1fr);gap:32px}
.stack-group h3{font-size:1rem;font-weight:600;color:#475569;margin-bottom:12px}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tags span{background:#fff;color:#0369a1;font-size:.85rem;font-weight:500;padding:8px 16px;border-radius:8px;border:1px solid #e2e8f0;transition:border-color .15s,background .15s}
.tags span:hover{border-color:#0284c7;background:#e0f2fe}

/* Footer */
.footer{padding:32px 0;text-align:center;border-top:1px solid #e2e8f0}
.footer p{color:#94a3b8;font-size:.875rem}

/* Burger button — hidden on desktop */
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:4px;flex-direction:column;gap:5px}
.nav-toggle span{display:block;width:24px;height:2px;background:#475569;border-radius:2px;transition:all .25s}

/* Mobile */
@media(max-width:768px){
  /* Burger nav */
  .nav-toggle{display:flex}
  .nav-links{position:fixed;top:64px;left:0;right:0;background:#fff;flex-direction:column;align-items:center;gap:0;padding:0;max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease;border-bottom:1px solid #e2e8f0;box-shadow:0 8px 24px rgba(0,0,0,.08);z-index:99}
  .nav-links.open{max-height:400px;padding:12px 0}
  .nav-links a{padding:14px 24px;width:100%;text-align:center;font-size:.95rem;border-bottom:1px solid #f1f5f9}
  .nav-links a:last-child{border-bottom:none}
  .nav-toggle.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
  .nav-toggle.open span:nth-child(2){opacity:0}
  .nav-toggle.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

  /* Hero */
  .hero-inner{flex-direction:column;gap:0;text-align:center;padding:32px 20px 0}
  .hero-text{padding-bottom:24px}
  .hero-text h1{font-size:2.2rem}
  .hero-desc{margin-left:auto;margin-right:auto;font-size:.95rem}
  .hero-actions{justify-content:center}
  .btn{padding:11px 24px;font-size:.85rem}

  /* Hero visual — photo + cards on mobile */
  .hero-visual{width:100%;max-width:100%;margin:0 auto;display:flex;flex-direction:column;align-items:center}
  .hero-photo img{width:220px}
  .hero-cards{position:static;display:grid;grid-template-columns:1fr 1fr;gap:8px;width:100%;max-width:360px;padding:16px 0 24px;pointer-events:auto}
  .hero-card{position:static;animation:none;padding:10px 12px;border-radius:10px;gap:8px;white-space:normal}
  .hero-card strong{font-size:.75rem}
  .hero-card span{font-size:.65rem}
  .hero-card svg{width:16px;height:16px}

  /* Sections */
  .about-grid,.project-grid,.clients-grid{grid-template-columns:1fr}
  .stack-groups{grid-template-columns:1fr}

  /* Slider — edge to edge */
  .portfolio{padding:48px 0}
  .portfolio .container{padding:0;max-width:100%}
  .slider{max-width:100%;border-radius:0}
  .slider-track-wrapper{border-radius:0}
  .slide img{border-radius:0;box-shadow:none}
  .slider-btn{width:36px;height:36px}
  .slider-prev{left:8px}
  .slider-next{right:8px}
  .slider-dots{margin-top:16px}

  /* Contacts — compact 2x2 */
  .contacts{padding:48px 0}
  .contacts-grid{grid-template-columns:1fr 1fr;gap:10px}
  .contact-card{padding:16px 8px;gap:4px;border-radius:12px}
  .contact-icon{width:40px;height:40px;border-radius:10px}
  .contact-icon svg{width:20px;height:20px}
  .contact-label{font-size:.82rem}
  .contact-handle{font-size:.7rem}
}

@media(max-width:380px){
  .hero-text h1{font-size:1.8rem}
  .hero-cards{grid-template-columns:1fr}
  .contacts-grid{grid-template-columns:1fr}
}