/* ===== CSS Variables & Reset ===== */
:root {
  --color-bg: #f8f5f0;
  --color-bg-dark: #1a1a1a;
  --color-text: #2c2c2c;
  --color-text-light: #6b6b6b;
  --color-accent: #8b7355;
  --color-accent-hover: #6d5a42;
  --color-white: #ffffff;
  --color-shadow: rgba(0, 0, 0, 0.08);
  
  --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --font-serif: Georgia, 'Times New Roman', serif;
  
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  --radius: 12px;
  --transition: 0.3s ease;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-main);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== Ambient Background ===== */
.ambient-media {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  pointer-events: none;
}

#hero-sequence-canvas {
  width: 100%;
  height: 100%;
  display: block;
  opacity: 0.15;
}

.ambient-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, 
    rgba(248, 245, 240, 0.9) 0%, 
    rgba(248, 245, 240, 0.95) 40%, 
    var(--color-bg) 100%);
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(248, 245, 240, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  text-decoration: none;
  color: var(--color-text);
  font-weight: 600;
  font-size: 1.1rem;
}

.brand-mark {
  width: 24px;
  height: 24px;
  background: var(--color-accent);
  border-radius: 50%;
  position: relative;
}

.brand-mark::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 12px;
  height: 12px;
  background: var(--color-bg);
  border-radius: 50%;
}

.nav {
  display: flex;
  gap: var(--spacing-md);
}

.nav a {
  text-decoration: none;
  color: var(--color-text-light);
  font-weight: 500;
  transition: color var(--transition);
  position: relative;
  padding: 4px 0;
}

.nav a:hover,
.nav a:focus {
  color: var(--color-accent);
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}

.nav a:hover::after {
  width: 100%;
}

/* ===== Hero Section ===== */
.hero {
  min-height: 90vh;
  display: grid;
  place-items: center;
  padding: var(--spacing-xl) var(--spacing-md);
  text-align: center;
  position: relative;
}

.hero-content {
  max-width: 700px;
  animation: fadeInUp 0.8s ease;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.eyebrow {
  font-size: 0.9rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.hero h1 span {
  display: block;
}

.hero-lead {
  font-size: 1.1rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  transition: all var(--transition);
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.button.primary {
  background: var(--color-accent);
  color: var(--color-white);
}

.button.primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(139, 115, 85, 0.3);
}

.button.secondary {
  background: transparent;
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
}

.button.secondary:hover {
  background: rgba(139, 115, 85, 0.1);
}

.button.dark {
  background: var(--color-bg-dark);
  color: var(--color-white);
}

.button.dark:hover {
  background: #000;
}

.hero-facts {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  margin-top: var(--spacing-xl);
  flex-wrap: wrap;
}

.hero-facts > div {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-text-light);
}

.hero-facts .icon {
  width: 32px;
  height: 32px;
  color: var(--color-accent);
}

.hero-facts strong {
  color: var(--color-text);
  font-size: 1.2rem;
}

/* ===== Sections ===== */
.section {
  padding: var(--spacing-xl) var(--spacing-md);
  max-width: 1200px;
  margin: 0 auto;
}

.section-kicker {
  font-size: 0.85rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.section h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  margin-bottom: var(--spacing-md);
  line-height: 1.3;
}

.section p {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
  max-width: 700px;
}

/* ===== Intro Grid ===== */
.intro-grid {
  display: grid;
  gap: var(--spacing-md);
  max-width: 800px;
}

/* ===== Method Section ===== */
.split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

@media (min-width: 768px) {
  .split {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.feature-list {
  display: grid;
  gap: var(--spacing-md);
}

.feature-list article {
  display: flex;
  gap: var(--spacing-sm);
  align-items: flex-start;
  padding: var(--spacing-sm);
  border-radius: var(--radius);
  transition: background var(--transition);
}

.feature-list article:hover {
  background: rgba(139, 115, 85, 0.05);
}

.feature-list .icon {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 4px;
}

.feature-list span {
  font-size: 0.8rem;
  color: var(--color-accent);
  font-weight: 600;
  min-width: 32px;
}

.feature-list h3 {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.feature-list p {
  font-size: 0.95rem;
  margin: 0;
}

/* ===== Format Timeline ===== */
.format-band {
  background: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius);
  box-shadow: 0 4px 20px var(--color-shadow);
}

.timeline {
  display: grid;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.timeline > div {
  display: flex;
  gap: var(--spacing-sm);
  align-items: flex-start;
  padding-left: var(--spacing-sm);
  border-left: 2px solid var(--color-accent);
}

.timeline .icon {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 4px;
}

.timeline strong {
  display: block;
  color: var(--color-text);
  margin-bottom: 2px;
}

.timeline span {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

/* ===== Results Grid ===== */
.results-grid {
  display: grid;
  gap: var(--spacing-lg);
}

@media (min-width: 768px) {
  .results-grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}

.result-items {
  display: grid;
  gap: var(--spacing-sm);
}

.result-items > div {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: 0 2px 10px var(--color-shadow);
}

.result-items .icon {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  flex-shrink: 0;
}

/* ===== Audience Grid ===== */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.audience-grid article {
  padding: var(--spacing-md);
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: 0 4px 15px var(--color-shadow);
  transition: transform var(--transition);
}

.audience-grid article:hover {
  transform: translateY(-4px);
}

.audience-grid .icon {
  width: 28px;
  height: 28px;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

.audience-grid h3 {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.audience-grid p {
  font-size: 0.95rem;
  margin: 0;
}

/* ===== Host Panel ===== */
.host-panel {
  background: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius);
  box-shadow: 0 4px 20px var(--color-shadow);
  display: grid;
  gap: var(--spacing-md);
  max-width: 800px;
  margin: 0 auto;
}

/* ===== CTA Section ===== */
.cta {
  background: linear-gradient(135deg, var(--color-bg-dark) 0%, #2a2a2a 100%);
  color: var(--color-white);
  text-align: center;
}

.cta .section-kicker {
  color: rgba(255,255,255,0.7);
}

.cta h2 {
  color: var(--color-white);
}

.cta p {
  color: rgba(255,255,255,0.8);
  margin: 0 auto var(--spacing-lg);
  max-width: 600px;
}

.cta-inner {
  max-width: 500px;
  margin: 0 auto;
}

/* ===== Form ===== */
.lead-form {
  display: grid;
  gap: var(--spacing-md);
  text-align: left;
}

.lead-form label {
  display: grid;
  gap: var(--spacing-xs);
  font-size: 0.9rem;
  color: rgba(255,255,255,0.9);
}

.lead-form label span {
  font-weight: 500;
}

.lead-form input {
  padding: 14px;
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.1);
  color: var(--color-white);
  font-size: 1rem;
  transition: border-color var(--transition);
}

.lead-form input::placeholder {
  color: rgba(255,255,255,0.5);
}

.lead-form input:focus {
  outline: none;
  border-color: var(--color-accent);
  background: rgba(255,255,255,0.15);
}

.form-status {
  font-size: 0.9rem;
  min-height: 24px;
  color: rgba(255,255,255,0.8);
}

.form-status.success {
  color: #4ade80;
}

.form-status.error {
  color: #f87171;
}

/* ===== Footer ===== */
.footer {
  padding: var(--spacing-lg) var(--spacing-md);
  text-align: center;
  color: var(--color-text-light);
  font-size: 0.9rem;
  border-top: 1px solid rgba(0,0,0,0.05);
}

.footer a {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
}

.footer a:hover {
  text-decoration: underline;
}

/* ===== Icons ===== */
.icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.icon {
  width: 1em;
  height: 1em;
  display: inline-block;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .site-header {
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
  }
  
  .nav {
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .hero-facts {
    gap: var(--spacing-md);
  }
  
  .hero-facts > div span {
    font-size: 0.9rem;
  }
}

/* ===== Accessibility ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ===== Блок контактов ===== */
.contacts {
  background: linear-gradient(135deg, var(--color-bg-dark) 0%, #2a2a2a 100%);
  color: var(--color-white);
  text-align: center;
  padding-bottom: var(--spacing-xl);
}

.contacts .section-kicker {
  color: rgba(255,255,255,0.7);
}

.contacts h2 {
  color: var(--color-white);
}

.contacts p {
  color: rgba(255,255,255,0.8);
  margin: 0 auto var(--spacing-lg);
  max-width: 600px;
}

.contacts-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
  margin-top: var(--spacing-md);
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--color-white);
  font-weight: 500;
  transition: all var(--transition);
  backdrop-filter: blur(4px);
}

.contact-link:hover {
  background: rgba(255,255,255,0.18);
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.2);
}

.contact-icon {
  font-size: 1.2rem;
  line-height: 1;
}

.contact-label {
  font-size: 1rem;
}

/* Адаптив для мобильных */
@media (max-width: 480px) {
  .contacts-list {
    flex-direction: column;
    align-items: stretch;
  }
  
  .contact-link {
    justify-content: center;
  }
}