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

:root {
  /* Brand colors */
  --black: #111111;
  --g900: #1a1a1a;
  --g800: #2A2A2A;
  --g700: #3a3a3a;
  --g600: #555555;
  --g500: #6e6e6e;
  --g400: #8A8A8A;
  --g300: #acacac;
  --g200: #D0D0D0;
  --g100: #EDEDED;
  --g50:  #F5F5F5;
  --white: #FFFFFF;
  --accent: #FF6B35;
  --accent-hover: #ff8659;
  --accent-soft: rgba(255, 107, 53, 0.08);

  /* Semantic */
  --bg: var(--white);
  --bg-alt: var(--g50);
  --bg-dark: var(--black);
  --text: var(--black);
  --text-secondary: var(--g600);
  --text-tertiary: var(--g400);
  --border: var(--g100);
  --border-strong: var(--g200);

  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --radius-pill: 100px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow: 0 4px 16px rgba(0,0,0,0.06);
  --shadow-lg: 0 16px 40px rgba(0,0,0,0.08);

  --transition: 0.3s cubic-bezier(.22,1,.36,1);
  --transition-fast: 0.2s ease;

  --font-display: 'Unbounded', sans-serif;
  --font-body: 'Nunito Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--g600);
  line-height: 1.65;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* === Logo (двухтональная А + ПТ) === */
.logo {
  display: inline-flex;
  align-items: baseline;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 22px;
  line-height: 1;
  letter-spacing: -0.01em;
  user-select: none;
}
.logo .a-letter {
  background: linear-gradient(90deg, var(--g400) 0%, var(--g400) 45%, var(--black) 45%, var(--black) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}
.logo .pt-letters {
  color: var(--black);
}
.logo.logo-white .a-letter {
  background: linear-gradient(90deg, var(--g400) 0%, var(--g400) 45%, var(--white) 45%, var(--white) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}
.logo.logo-white .pt-letters {
  color: var(--white);
}
.logo-lg { font-size: 32px; }

/* === Типографика === */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--black);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

/* === Кнопки === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.3px;
  cursor: pointer;
  border: none;
  transition: var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(255, 107, 53, 0.25);
}

.btn-dark {
  background: var(--black);
  color: var(--white);
}
.btn-dark:hover {
  background: var(--g800);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--black);
  border: 1.5px solid var(--g200);
}
.btn-ghost:hover {
  border-color: var(--black);
  background: var(--black);
  color: var(--white);
}

.btn-ghost-light {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.2);
}
.btn-ghost-light:hover {
  border-color: var(--white);
  background: var(--white);
  color: var(--black);
}

.btn-full { width: 100%; }
.btn-sm { padding: 10px 20px; font-size: 13px; }

/* === Навигация === */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: var(--transition-fast);
}
.navbar.scrolled {
  border-bottom-color: var(--g100);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  height: 72px;
  position: relative;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--g400);
  transition: var(--transition-fast);
  text-transform: uppercase;
}
.nav-links a:hover { color: var(--black); }

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--black);
  border-radius: 2px;
  transition: var(--transition-fast);
}

/* === Hero === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--black);
  padding: 140px 40px 100px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle 600px at 50% 40%, rgba(255,107,53,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 700;
  color: var(--g300);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 32px;
}
.hero-tag::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(40px, 6.5vw, 84px);
  color: var(--white);
  line-height: 1.05;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: 18px;
  line-height: 1.7;
  color: rgba(255,255,255,0.45);
  max-width: 560px;
  margin: 0 auto 48px;
  font-weight: 300;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* === Секции === */
section {
  padding: 120px 0;
}

.section-head {
  max-width: 680px;
  margin: 0 auto 72px;
  text-align: center;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--g400);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-head h2 {
  font-size: clamp(32px, 4vw, 48px);
  margin-bottom: 16px;
}

.section-desc {
  font-size: 16px;
  color: var(--g600);
  line-height: 1.7;
}

/* === О нас === */
.about {
  background: var(--g50);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.about-card {
  padding: 40px 32px;
  border-radius: var(--radius-lg);
  background: var(--white);
  border: 1px solid var(--g100);
  transition: var(--transition);
  text-align: center;
}
.about-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--g200);
}

.about-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--black);
  color: var(--white);
  margin: 0 auto 24px;
}

.about-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 12px;
}

.about-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--g600);
}

/* === Преимущества === */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.benefit-card {
  padding: 36px 28px;
  background: var(--white);
  border: 1px solid var(--g100);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  position: relative;
  text-align: center;
}
.benefit-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition);
  border-radius: 2px;
}
.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--g200);
}
.benefit-card:hover::before {
  width: 100%;
}

.benefit-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--g50);
  color: var(--black);
  margin: 0 auto 20px;
}

.benefit-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 10px;
}

.benefit-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--g600);
}

/* === Как вступить === */
.join {
  background: var(--g50);
}

.join-layout {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 56px;
  align-items: start;
}

.steps-title {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 800;
  color: var(--black);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 32px;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 32px;
  position: relative;
}
.step:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 18px;
  top: 38px;
  bottom: -22px;
  width: 2px;
  background: var(--g200);
}
.step:last-child { margin-bottom: 0; }

.step-num {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--black);
  color: var(--white);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.step-text strong {
  display: block;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 4px;
}

.step-text p {
  font-size: 13px;
  color: var(--g500);
}

/* === Форма заявки === */
.application-form {
  background: var(--white);
  padding: 40px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--g100);
  box-shadow: var(--shadow);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.required { color: var(--accent); }
.optional {
  font-weight: 400;
  color: var(--g400);
  font-size: 11px;
  text-transform: none;
  letter-spacing: 0;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid var(--g100);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--black);
  background: var(--white);
  transition: var(--transition-fast);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--g300);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--black);
  box-shadow: 0 0 0 4px var(--g50);
}

.form-group textarea { resize: vertical; }

/* === Чекбокс === */
.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  margin-bottom: 28px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--g600);
}

.checkbox-group input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.checkmark {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border: 1.5px solid var(--g200);
  border-radius: 6px;
  background: var(--white);
  transition: var(--transition-fast);
  position: relative;
  margin-top: 1px;
}

.checkbox-group input[type="checkbox"]:checked + .checkmark {
  background: var(--accent);
  border-color: var(--accent);
}

.checkbox-group input[type="checkbox"]:checked + .checkmark::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 2px;
  width: 5px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.checkbox-group input[type="checkbox"]:focus-visible + .checkmark {
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.checkbox-label a.link {
  color: var(--accent);
  font-weight: 600;
}
.checkbox-label a.link:hover {
  color: var(--accent-hover);
}

/* === Контакты === */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.contact-card {
  text-align: center;
  padding: 36px 20px;
  border: 1px solid var(--g100);
  border-radius: var(--radius-lg);
  background: var(--white);
  transition: var(--transition);
}
.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--g200);
}

.contact-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--g50);
  color: var(--black);
  margin: 0 auto 16px;
}

.contact-card h4 {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.contact-card p {
  font-size: 13px;
  color: var(--g600);
}
.contact-card a { color: inherit; }

/* === Футер === */
.footer {
  background: var(--black);
  padding: 80px 0 40px;
  color: var(--g400);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-about p {
  font-size: 14px;
  color: rgba(255,255,255,0.4);
  margin-top: 16px;
  max-width: 320px;
  line-height: 1.7;
}

.footer-col h5 {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 800;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 20px;
}

.footer-col a {
  display: block;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  margin-bottom: 12px;
  transition: var(--transition-fast);
}
.footer-col a:hover { color: var(--white); }

.footer-bottom {
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  font-size: 12px;
  color: rgba(255,255,255,0.3);
}

/* === Toast === */
.toast {
  position: fixed;
  bottom: 32px;
  right: 32px;
  background: var(--black);
  color: var(--white);
  padding: 16px 22px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-lg);
  transform: translateY(140%);
  opacity: 0;
  transition: var(--transition);
  z-index: 9999;
  font-size: 14px;
  font-weight: 600;
  max-width: 420px;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast svg { color: #6ee7a0; flex-shrink: 0; }
.toast.error svg { color: #ff6b35; }

/* === Fade-in === */
.fade-in {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s cubic-bezier(.22,1,.36,1), transform 0.8s cubic-bezier(.22,1,.36,1);
}

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

/* === Страницы report.html и privacy.html === */
.page-header {
  padding: 160px 0 60px;
  text-align: center;
  background: var(--g50);
  border-bottom: 1px solid var(--g100);
}

.page-header h1 {
  font-size: clamp(32px, 4vw, 48px);
  margin-bottom: 16px;
}

.page-header p {
  font-size: 16px;
  color: var(--g600);
  max-width: 560px;
  margin: 0 auto;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--g500);
  transition: var(--transition-fast);
  margin-bottom: 32px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.back-link:hover { color: var(--black); }

.report-section {
  padding: 80px 0 120px;
}

.report-form {
  background: var(--white);
  padding: 40px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--g100);
  box-shadow: var(--shadow);
  max-width: 680px;
  margin: 0 auto;
}

.report-note {
  font-size: 13px;
  color: var(--g600);
  background: var(--g50);
  border: 1px solid var(--g100);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 28px;
  line-height: 1.7;
}

/* === Privacy / text page === */
.text-page { max-width: 760px; }
.text-page h2 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--black);
  margin: 32px 0 16px;
  letter-spacing: -0.01em;
}
.text-page h2:first-child { margin-top: 0; }
.text-page p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--g600);
  margin-bottom: 12px;
}
.text-page ul {
  margin: 12px 0 16px 24px;
  list-style: disc;
  color: var(--g600);
}
.text-page ul li {
  margin-bottom: 6px;
  font-size: 14px;
  line-height: 1.7;
}
.text-page a.accent { color: var(--accent); font-weight: 600; }

/* === Honeypot === */
input.honeypot-field {
  position: absolute !important;
  left: -9999px !important;
  opacity: 0 !important;
  height: 0 !important;
  width: 0 !important;
  padding: 0 !important;
  margin: 0 !important;
  border: none !important;
  overflow: hidden !important;
  pointer-events: none !important;
  clip: rect(0, 0, 0, 0) !important;
}

/* === Responsive === */

@media (max-width: 968px) {
  .container { padding: 0 24px; }
  .about-grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
  .benefits-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr 1fr; }
  .join-layout { grid-template-columns: 1fr; gap: 32px; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  section { padding: 80px 0; }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }

  /* Nav */
  .nav-container { height: 64px; }
  .nav-links {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    flex-direction: column;
    padding: 32px 24px;
    gap: 0;
    border-top: 1px solid var(--g100);
    transform: translateY(-120%);
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
    overflow-y: auto;
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  .nav-links li { border-bottom: 1px solid var(--g100); }
  .nav-links li:last-child { border-bottom: none; }
  .nav-links a {
    display: block;
    padding: 18px 0;
    font-size: 14px;
  }
  .nav-toggle { display: flex; }
  .nav-cta { display: none; }

  /* Hero */
  .hero { padding: 100px 20px 64px; min-height: auto; }
  .hero h1 { font-size: 38px; }
  .hero-subtitle { font-size: 15px; margin-bottom: 32px; }
  .hero-actions { flex-direction: column; gap: 10px; }
  .hero-actions .btn { width: 100%; }

  /* Секции */
  section { padding: 64px 0; }
  .section-head { margin-bottom: 48px; }
  .section-head h2 { font-size: 28px; }

  /* Карточки */
  .about-card { padding: 28px 24px; }
  .benefits-grid { grid-template-columns: 1fr; }
  .benefit-card { padding: 28px 24px; }
  .contact-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .contact-card { padding: 24px 12px; }
  .contact-card h4 { font-size: 12px; }
  .contact-card p { font-size: 12px; }

  /* Форма */
  .form-row { grid-template-columns: 1fr; }
  .application-form { padding: 28px 20px; }
  .report-form { padding: 28px 20px; }
  .form-group input,
  .form-group select,
  .form-group textarea {
    padding: 14px 14px;
    font-size: 16px;
  }

  /* Footer */
  .footer { padding: 64px 0 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; }

  /* Toast */
  .toast {
    left: 16px;
    right: 16px;
    bottom: 16px;
    max-width: none;
  }

  /* Page header */
  .page-header { padding: 120px 0 40px; }
  .page-header h1 { font-size: 28px; }
  .report-section { padding: 48px 0 80px; }
}

@media (max-width: 380px) {
  .hero h1 { font-size: 32px; }
  .container { padding: 0 16px; }
  .contact-grid { grid-template-columns: 1fr; }
}