/* ============================================================
   Такси Завидово — Dynamic Gradient + Glass-Morphism
   ============================================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --c-cyan:    #06B6D4;
  --c-indigo:  #6366F1;
  --c-violet:  #8B5CF6;
  --c-white:   #ffffff;
  --c-white85: rgba(255,255,255,0.85);
  --c-white60: rgba(255,255,255,0.60);
  --c-white20: rgba(255,255,255,0.20);
  --c-white15: rgba(255,255,255,0.15);
  --c-white10: rgba(255,255,255,0.10);
  --c-white05: rgba(255,255,255,0.05);
  --glass-border: 1px solid rgba(255,255,255,0.20);
  --glass-shadow: 0 8px 40px rgba(0,0,0,0.25);
  --radius-card: 24px;
  --radius-pill: 999px;
  --font: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --transition: 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  color: var(--c-white);
  min-height: 100vh;
  background: linear-gradient(135deg, var(--c-cyan) 0%, var(--c-indigo) 50%, var(--c-violet) 100%);
  background-size: 300% 300%;
  animation: gradientShift 20s ease infinite;
  overflow-x: hidden;
  line-height: 1.6;
}

@keyframes gradientShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* --- Floating Particles (background decoration) --- */
.particles {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.particle {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  animation: floatParticle linear infinite;
}
.particle:nth-child(1)  { width:80px;  height:80px;  top:10%;  left:5%;   animation-duration:18s; animation-delay:-4s;  }
.particle:nth-child(2)  { width:120px; height:120px; top:25%;  left:85%;  animation-duration:24s; animation-delay:-9s;  }
.particle:nth-child(3)  { width:50px;  height:50px;  top:55%;  left:20%;  animation-duration:14s; animation-delay:-2s;  }
.particle:nth-child(4)  { width:200px; height:200px; top:70%;  left:65%;  animation-duration:30s; animation-delay:-15s; }
.particle:nth-child(5)  { width:60px;  height:60px;  top:40%;  left:48%;  animation-duration:16s; animation-delay:-7s;  }
.particle:nth-child(6)  { width:90px;  height:90px;  top:80%;  left:10%;  animation-duration:22s; animation-delay:-11s; }
.particle:nth-child(7)  { width:40px;  height:40px;  top:15%;  left:55%;  animation-duration:12s; animation-delay:-3s;  }
.particle:nth-child(8)  { width:160px; height:160px; top:5%;   left:35%;  animation-duration:28s; animation-delay:-18s; }

@keyframes floatParticle {
  0%   { transform: translateY(0px) rotate(0deg); opacity: 0.4; }
  33%  { transform: translateY(-40px) rotate(120deg); opacity: 0.7; }
  66%  { transform: translateY(-20px) rotate(240deg); opacity: 0.5; }
  100% { transform: translateY(0px) rotate(360deg); opacity: 0.4; }
}

/* --- Page wrapper --- */
.page-wrap {
  position: relative;
  z-index: 1;
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--transition), backdrop-filter var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: rgba(30,20,60,0.55);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.header-logo {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--c-white);
  text-decoration: none;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-logo span {
  font-size: 1.5rem;
}

.header-phone {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-phone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-white);
  text-decoration: none;
  background: rgba(255,255,255,0.15);
  border: var(--glass-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
}

.btn-phone:hover {
  background: rgba(255,255,255,0.25);
  box-shadow: 0 0 20px rgba(255,255,255,0.3);
  transform: scale(1.03);
}

.header-nav {
  display: flex;
  gap: 8px;
}

.header-nav a {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  transition: background var(--transition), color var(--transition);
  font-size: 0.95rem;
}

.header-nav a:hover {
  background: var(--c-white15);
  color: var(--c-white);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
}

.hero-inner {
  max-width: 900px;
  width: 100%;
}

.hero-badge {
  display: inline-block;
  padding: 6px 20px;
  border-radius: var(--radius-pill);
  background: var(--c-white15);
  border: var(--glass-border);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 28px;
  backdrop-filter: blur(10px);
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 5.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 20px;
  text-shadow: 0 4px 30px rgba(0,0,0,0.2);
}

.hero-subtitle {
  font-size: clamp(1rem, 2.2vw, 1.4rem);
  color: var(--c-white85);
  margin-bottom: 48px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 18px 42px;
  border-radius: var(--radius-pill);
  font-size: 1.15rem;
  font-weight: 700;
  text-decoration: none;
  background: var(--c-white);
  color: var(--c-indigo);
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
  transition: transform var(--transition), box-shadow var(--transition);
}

.btn-primary:hover {
  transform: scale(1.04);
  box-shadow: 0 12px 40px rgba(255,255,255,0.35);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 18px 42px;
  border-radius: var(--radius-pill);
  font-size: 1.15rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--c-white);
  background: var(--c-white15);
  border: var(--glass-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
}

.btn-secondary:hover {
  background: var(--c-white20);
  box-shadow: 0 8px 30px rgba(255,255,255,0.2);
  transform: scale(1.03);
}

.hero-scroll-hint {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--c-white60);
  font-size: 0.85rem;
  animation: bounce 2s ease infinite;
}

.hero-scroll-hint .arrow {
  font-size: 1.4rem;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(8px); }
}

/* ============================================================
   SECTIONS (common)
   ============================================================ */
.section-wrap {
  padding: 60px 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.glass-card {
  background: var(--c-white10);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: var(--glass-border);
  border-radius: var(--radius-card);
  box-shadow: var(--glass-shadow);
  padding: 56px 60px;
  transition: background var(--transition), transform var(--transition);
}

.glass-card:hover {
  background: var(--c-white15);
}

.section-heading {
  font-size: clamp(1.6rem, 3.5vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 28px;
  line-height: 1.15;
}

.section-text {
  font-size: 1.05rem;
  color: var(--c-white85);
  line-height: 1.75;
}

/* --- Fade-in animation for sections --- */
.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   SERVICES LIST
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-top: 32px;
}

.service-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 20px;
  background: var(--c-white05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px;
  font-size: 0.95rem;
  color: var(--c-white85);
  line-height: 1.5;
  transition: background var(--transition), transform var(--transition);
}

.service-item:hover {
  background: var(--c-white10);
  transform: translateX(4px);
}

.service-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ============================================================
   TARIFFS
   ============================================================ */
.tariffs-section {
  padding: 80px 24px;
}

.tariffs-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.tariffs-heading {
  text-align: center;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 48px;
}

.tariffs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.tariff-card {
  background: var(--c-white10);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: var(--glass-border);
  border-radius: var(--radius-card);
  box-shadow: var(--glass-shadow);
  padding: 48px 36px;
  text-align: center;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.tariff-card:hover {
  background: var(--c-white15);
  transform: scale(1.02) translateY(-4px);
  box-shadow: 0 16px 56px rgba(0,0,0,0.3);
}

.tariff-emoji {
  font-size: 3rem;
  display: block;
  margin-bottom: 20px;
}

.tariff-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--c-white85);
  margin-bottom: 16px;
  line-height: 1.3;
}

.tariff-price {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  color: var(--c-white);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.tariff-cta {
  margin-top: 28px;
}

/* ============================================================
   TVER REGION — tag clouds
   ============================================================ */
.region-section {
  padding: 60px 24px;
}

.region-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.region-heading {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 48px;
  text-align: center;
}

.tags-block {
  background: var(--c-white10);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: var(--glass-border);
  border-radius: var(--radius-card);
  padding: 40px 48px;
  margin-bottom: 28px;
  transition: background var(--transition);
}

.tags-block:hover {
  background: var(--c-white15);
}

.tags-label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-white60);
  margin-bottom: 20px;
  display: block;
}

.tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag-chip {
  display: inline-block;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  background: var(--c-white10);
  border: 1px solid rgba(255,255,255,0.15);
  font-size: 0.88rem;
  color: var(--c-white85);
  white-space: nowrap;
  transition: background var(--transition), transform var(--transition);
}

.tag-chip:hover {
  background: var(--c-white20);
  transform: scale(1.05);
}

/* ============================================================
   ZAVIDOVO COMPLEX
   ============================================================ */
.complex-section {
  padding: 60px 24px 80px;
}

.complex-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.complex-card {
  background: var(--c-white10);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: var(--glass-border);
  border-radius: var(--radius-card);
  box-shadow: var(--glass-shadow);
  padding: 56px 60px;
  transition: background var(--transition);
}

.complex-card:hover {
  background: var(--c-white15);
}

.complex-heading {
  font-size: clamp(1.6rem, 3.5vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 20px;
}

.complex-lead {
  font-size: 1.15rem;
  color: var(--c-white85);
  margin-bottom: 12px;
}

.complex-location {
  font-size: 1rem;
  color: var(--c-white60);
  margin-bottom: 36px;
  font-weight: 600;
}

.complex-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 12px;
}

.complex-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 16px;
  background: var(--c-white05);
  border-radius: 12px;
  font-size: 0.93rem;
  color: var(--c-white85);
  line-height: 1.5;
}

.complex-list li::before {
  content: "✦";
  color: rgba(255,255,255,0.5);
  flex-shrink: 0;
  margin-top: 1px;
}

/* ============================================================
   CONTACT PAGE SPECIFICS
   ============================================================ */
.contact-section {
  padding: 80px 24px;
}

.contact-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.contact-phone-big {
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--c-white);
  text-decoration: none;
  display: inline-block;
  margin-bottom: 16px;
  text-shadow: 0 4px 30px rgba(0,0,0,0.2);
  transition: opacity var(--transition), transform var(--transition);
}

.contact-phone-big:hover {
  opacity: 0.85;
  transform: scale(1.02);
}

.contact-card {
  background: var(--c-white10);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: var(--glass-border);
  border-radius: var(--radius-card);
  box-shadow: var(--glass-shadow);
  padding: 56px 60px;
  text-align: center;
  transition: background var(--transition);
}

.contact-card:hover {
  background: var(--c-white15);
}

.contact-label {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-white60);
  margin-bottom: 20px;
  display: block;
}

.contact-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.contact-desc {
  font-size: 1.05rem;
  color: var(--c-white85);
  margin-bottom: 40px;
}

.contact-address-block {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 40px;
  text-align: left;
}

.address-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--c-white05);
  border-radius: 14px;
  font-size: 0.95rem;
  color: var(--c-white85);
}

.address-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
}

.contact-hero-img {
  width: 100%;
  border-radius: var(--radius-card);
  box-shadow: var(--glass-shadow);
  display: block;
  object-fit: cover;
  max-height: 420px;
}

.contact-img-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  margin-top: 80px;
  padding: 48px 24px;
  text-align: center;
  background: var(--c-white05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 2px solid;
  border-image: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent) 1;
  position: relative;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.footer-logo {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--c-white);
  text-decoration: none;
}

.footer-phone {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--c-white);
  text-decoration: none;
  transition: opacity var(--transition);
}

.footer-phone:hover {
  opacity: 0.8;
}

.footer-nav {
  display: flex;
  gap: 24px;
}

.footer-nav a {
  color: var(--c-white60);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition);
}

.footer-nav a:hover {
  color: var(--c-white);
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--c-white60);
}

/* ============================================================
   UTILITIES
   ============================================================ */
.spacer-80 { height: 80px; }
.spacer-40 { height: 40px; }

.text-center { text-align: center; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .glass-card,
  .complex-card,
  .contact-card {
    padding: 36px 24px;
  }

  .tags-block {
    padding: 28px 24px;
  }

  .header-nav {
    display: none;
  }

  .hero {
    padding: 100px 20px 60px;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    max-width: 320px;
    justify-content: center;
  }

  .tariffs-grid {
    grid-template-columns: 1fr;
  }

  .complex-list {
    grid-template-columns: 1fr;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .site-header {
    padding: 12px 16px;
  }

  .btn-phone {
    padding: 8px 16px;
    font-size: 0.9rem;
  }

  .footer-nav {
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2.2rem;
  }

  .section-heading,
  .tariffs-heading,
  .region-heading,
  .complex-heading,
  .contact-title {
    font-size: 1.6rem;
  }

  .tariff-price {
    font-size: 1.8rem;
  }
}