/* ===== CSS RESET & VARIABLES ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #0d0d0d;
  --bg-card: #141414;
  --fg: #f2f2f2;
  --fg-muted: #ffffff;
  --primary: #0080e6;
  --primary-fg: #ffffff;
  --border: #262626;
  --secondary: #1f1f1f;
  --destructive: #dc2626;
  --radius: 0.5rem;
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-heading: 'Space Grotesk', system-ui, sans-serif;
}

html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  font-family: var(--font-sans);
  background-color: var(--bg);
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  background-attachment: fixed;
  color: var(--fg);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
img { max-width: 100%; display: block; }

/* ===== UTILITIES ===== */
.container { max-width: 80rem; margin: 0 auto; padding: 0 1.5rem; }
.container--sm { max-width: 48rem; margin: 0 auto; padding: 0 1.5rem; }
.container--md { max-width: 56rem; margin: 0 auto; padding: 0 1.5rem; }

.section {  padding: 6rem 0; }
.section--lg { padding: 6rem 0 6rem; }
.section-divider {
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(to right, transparent, var(--border), transparent);
}

.label {
  font-size: 1.05rem; font-weight: 500; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--primary); margin-bottom: 1rem;
}
.label--center { text-align: center; }

.heading {
  font-family: var(--font-heading); font-weight: 700;
  line-height: 1.15; letter-spacing: -0.01em; color: var(--fg);
  text-wrap: balance;
}
.heading--xl { font-size: clamp(2rem, 5vw, 3.5rem); }
.heading--lg { font-size: clamp(1.75rem, 4vw, 3rem); }
.heading--md { font-size: 1.25rem; }
.heading--center { text-align: center; }

.text-muted { color: var(--fg-muted); }
.text-primary { color: var(--primary); }
.text-destructive { color: var(--destructive); }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-lg { font-size: 1.125rem; }
.text-pretty { text-wrap: pretty; }
.text-balance { text-wrap: balance; }
.text-center { text-align: center; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.leading-relaxed { line-height: 1.625; }
.line-through { text-decoration: line-through; }

.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.875rem 1.75rem; border-radius: var(--radius);
  font-size: 0.875rem; font-weight: 600; transition: all 0.2s;
  white-space: nowrap;
}
.btn--primary { background: var(--primary); color: var(--primary-fg); }
.btn--primary:hover { opacity: 0.9; }
.btn--outline {
  background: rgba(31,31,31,0.5); color: var(--fg);
  border: 1px solid var(--border);
}
.btn--outline:hover { background: var(--secondary); }
.btn--lg { padding: 1rem 2rem; font-size: 1rem; }
.btn svg { transition: transform 0.2s; }
.btn:hover svg { transform: translateX(4px); }

.card {
  border: 1px solid var(--border); background: var(--bg-card);
  border-radius: 0.75rem; transition: border-color 0.3s;
}
.card:hover { border-color: rgba(0,128,230,0.4); }

.grid-2 { display: grid; gap: 1.5rem; }
.grid-3 { display: grid; gap: 1rem; }
.grid-4 { display: grid; gap: 1rem; }

@media (min-width: 640px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .container { padding: 0 2rem; }
  .section { padding: 8rem 0; }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* ===== SVG ICONS (inline) ===== */
.icon {
  width: 1.25rem; height: 1.25rem; stroke: currentColor;
  stroke-width: 2; fill: none; stroke-linecap: round; stroke-linejoin: round;
  flex-shrink: 0;
}
.icon--sm { width: 1rem; height: 1rem; }
.icon--xs { width: 0.875rem; height: 0.875rem; }
.icon--lg { width: 1.5rem; height: 1.5rem; }
.icon--6 { width: 1.5rem; height: 1.5rem; }

.icon-box {
  display: flex; align-items: center; justify-content: center;
  width: 2.5rem; height: 2.5rem; border-radius: 0.5rem;
  background: rgba(0,128,230,0.1); flex-shrink: 0;
}
.icon-box--lg {
  width: 2.75rem; height: 2.75rem; border-radius: 0.5rem;
}
.icon-box--destructive { background: rgb(25 49 69 / 41%); }
.icon-box--primary { background: rgba(0,128,230,0.1); }
.icon-box--cyan { --primary: #06b6d4; background: rgba(6,182,212,0.15); }
.icon-box--amber { --primary: #f59e0b; background: rgba(245,158,11,0.15); }
.icon-box--violet { --primary: #8b5cf6; background: rgba(139,92,246,0.15); }
.icon-box--teal { --primary: #14b8a6; background: rgba(20,184,166,0.15); }
.icon-box--indigo { --primary: #6366f1; background: rgba(99,102,241,0.15); }
.icon-box--circle {
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  width: 3rem; height: 3rem; border-radius: 50%;
  background: rgba(0,128,230,0.1);
  box-shadow: 0 0 0 1px rgba(0,128,230,0.3);
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  transition: all 0.3s;
}
.navbar.scrolled {
  background: rgba(13,13,13,0.9); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.navbar__inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 80rem; margin: 0 auto; padding: 1rem 1.5rem;
}
.navbar__logo {
  font-family: var(--font-heading); font-size: 1.25rem;
  font-weight: 700; letter-spacing: -0.02em; color: var(--fg);
}
.navbar__logo img {
  height: 3.5rem;
  width: auto;
  display: block;
}
.footer .navbar__logo img {
  height: 3.75rem;
}
.navbar__links { display: none; align-items: center; gap: 2rem; }
.navbar__links a {
  font-size: 0.875rem; color: var(--fg-muted); transition: color 0.2s;
}
.navbar__links a:hover { color: var(--fg); }
.navbar__cta {
  background: var(--primary); color: var(--primary-fg);
  padding: 0.625rem 1.25rem; border-radius: var(--radius);
  font-size: 0.875rem; font-weight: 600; transition: opacity 0.2s;
}
.navbar__cta:hover { opacity: 0.9; }
.navbar__toggle {
  display: flex; color: var(--fg); padding: 0.25rem;
}
.navbar__mobile {
  display: none; flex-direction: column; gap: 0.25rem;
  padding: 1rem 1.5rem; border-top: 1px solid var(--border);
  background: rgba(13,13,13,0.95); backdrop-filter: blur(12px);
}
.navbar__mobile.open { display: flex; }
.navbar__mobile a {
  padding: 0.625rem 0.75rem; border-radius: var(--radius);
  font-size: 0.875rem; color: var(--fg-muted); transition: all 0.2s;
}
.navbar__mobile a:hover { background: var(--secondary); color: var(--fg); }

@media (min-width: 1024px) {
  .navbar__inner { padding: 1rem 2rem; }
  .navbar__links { display: flex; }
  .navbar__toggle { display: none; }
}

/* ===== HERO ===== */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.hero__grid {
  /* Сетка теперь на body — покрывает весь сайт */
  display: none;
}
.hero__glow {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 800px; height: 800px; border-radius: 50%; opacity: 0.2;
  background: radial-gradient(circle, rgba(0,128,230,0.3) 0%, transparent 70%);
  pointer-events: none;
}
.hero__content {
  position: relative; z-index: 10;
  max-width: 64rem; margin: 0 auto;
  padding: 8rem 1.5rem 6rem; text-align: center;
}
.hero__badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  border: 1px solid var(--border); background: rgba(31,31,31,0.5);
  backdrop-filter: blur(4px); padding: 0.375rem 1rem;
  border-radius: 9999px; font-size: 0.875rem; color: var(--fg-muted);
  margin-bottom: 2rem;
}
.hero__title {
  font-family: var(--font-heading); font-weight: 700;
  font-size: clamp(2.25rem, 6vw, 4.5rem);
  line-height: 1.1; letter-spacing: -0.02em;
  color: var(--fg); text-wrap: balance;
}
.hero__subtitle {
  max-width: 42rem; margin: 1.5rem auto 0;
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--fg-muted); line-height: 1.6; text-wrap: pretty;
}
.hero__actions {
  margin-top: 2.5rem;
  display: flex; flex-direction: column; align-items: center; gap: 1rem;
}
.hero__note {
  margin-top: 1.25rem; font-size: 0.75rem; color: var(--fg-muted);
}
.hero__partner {
  margin-top: 3rem;
  display: inline-flex; flex-direction: column; align-items: center; gap: 0.625rem;
  padding: 1rem 2.5rem 1.25rem;
  border: 1px solid var(--border);
  background: rgba(31, 31, 31, 0.4);
  backdrop-filter: blur(6px);
  border-radius: 0.75rem;
}
.hero__partner-label {
  font-size: 0.6875rem; color: var(--fg-muted);
  text-transform: uppercase; letter-spacing: 0.08em; font-weight: 500;
}
.hero__partner-logo {
  display: inline-block;
  opacity: 0.92; transition: opacity 0.2s ease;
}
.hero__partner-logo:hover { opacity: 1; }
.hero__partner-logo svg { display: block; height: 26px; width: auto; }
.hero__partner-cert {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.75rem; color: var(--fg-muted);
  text-decoration: none; border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
  text-align: center;
}
.hero__partner-cert:hover {
  color: var(--primary);
  border-bottom-color: var(--primary);
}


@media (min-width: 640px) {
  .hero__actions { flex-direction: row; justify-content: center; }
  .hero__partner-logo svg { height: 32px; }
}

/* ===== PROBLEMS ===== */
.problem-card { padding: 1.5rem; }
.problem-card__icon { margin-bottom: 1rem; }

.callout {
  position: relative; overflow: hidden; margin-top: 4rem;
  border: 1px solid rgba(0,128,230,0.2);
  background: rgba(0,128,230,0.05);
  border-radius: 0.75rem; padding: 2rem 2rem;
}
.callout__glow {
  position: absolute; inset: 0; pointer-events: none; opacity: 0.2;
  background: radial-gradient(ellipse at 20% 50%, rgba(0,128,230,0.3) 0%, transparent 60%);
}
.callout__inner {
  position: relative; display: flex; flex-direction: column;
  align-items: center; gap: 1rem;
}
@media (min-width: 640px) {
  .callout { padding: 2.5rem 3rem; }
  .callout__inner { flex-direction: row; gap: 1.5rem; align-items: center; }
}

/* ===== RESULTS ===== */
.results-grid {
  display: grid; gap: 4rem;
}
@media (min-width: 1024px) {
  .results-grid { grid-template-columns: 1fr 1fr; align-items: center; }
}

.check-list { display: flex; flex-direction: column; gap: 1rem; margin-top: 2.5rem; }
.check-item { display: flex; align-items: flex-start; gap: 0.75rem; }

.metrics-card {
  border: 1px solid var(--border); background: var(--bg-card);
  border-radius: 0.75rem; padding: 2rem;
  position: relative;
}
.metrics-card__header { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 2rem; }
.metric { margin-bottom: 1.5rem; }
.metric:last-child { margin-bottom: 0; }
.metric__head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 0.5rem;
}
.metric__bar {
  height: 0.5rem; border-radius: 9999px; background: var(--secondary);
  overflow: hidden;
}
.metric__fill {
  height: 100%; border-radius: 9999px; background: var(--primary);
  transition: width 1s ease;
}
.metrics-glow {
  position: absolute; inset: -4px; z-index: -1;
  border-radius: 0.75rem;
  background: linear-gradient(to bottom right, rgba(0,128,230,0.1), transparent, transparent);
  filter: blur(20px);
}

@media (min-width: 1024px) {
  .metrics-card { padding: 2.5rem; }
}

/* ===== AUDIT ===== */
.audit-box {
  border: 1px solid var(--border); background: var(--bg-card);
  border-radius: 1rem; padding: 2rem;
}
.audit-grid { display: grid; gap: 3rem; }
.audit-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  border: 1px solid rgba(0,128,230,0.3); background: rgba(0,128,230,0.1);
  padding: 0.25rem 0.75rem; border-radius: 9999px;
  font-size: 0.75rem; font-weight: 500; color: var(--primary);
  margin-bottom: 1rem;
}
.audit-steps { display: flex; flex-direction: column; gap: 1rem; }
.audit-step {
  display: flex; align-items: flex-start; gap: 1rem;
  border: 1px solid var(--border); background: rgba(13,13,13,0.5);
  border-radius: 0.5rem; padding: 1rem; transition: border-color 0.2s;
}
.audit-step:hover { border-color: rgba(0,128,230,0.3); }

@media (min-width: 1024px) {
  .audit-box { padding: 3.5rem; }
  .audit-grid { grid-template-columns: 1fr 1fr; }
}

/* ===== SERVICES ===== */
.services-header {
  display: flex; flex-direction: column; gap: 1rem;
}
@media (min-width: 640px) {
  .services-header { flex-direction: row; align-items: flex-end; justify-content: space-between; }
}

.service-card {
  display: flex; flex-direction: column; padding: 1.75rem;
}
.service-card__head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1.25rem;
}
.service-card__footer {
  margin-top: auto; padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

/* ===== PROCESS ===== */
.process-timeline { position: relative; display: flex; flex-direction: column; gap: 1.5rem; }
.process-line {
  display: none; position: absolute; left: 27px; top: 0;
  width: 1px; height: 100%;
  background: linear-gradient(to bottom, rgba(0,128,230,0.5), var(--border), transparent);
}
.process-step { display: flex; gap: 1.5rem; position: relative; }
.process-number {
  position: relative; z-index: 10; display: flex;
  align-items: center; justify-content: center;
  width: 3.5rem; height: 3.5rem; flex-shrink: 0;
  border: 2px solid var(--border); border-radius: 50%;
  background: var(--bg); font-family: var(--font-heading);
  font-size: 0.875rem; font-weight: 700; color: var(--fg-muted);
  transition: all 0.3s;
}
.process-step:hover .process-number {
  border-color: var(--primary); color: var(--primary);
}
.process-card {
  flex: 1; padding: 1.5rem;
}
.process-card__head {
  display: flex; flex-direction: column; gap: 0.5rem;
}

@media (min-width: 640px) {
  .process-card__head {
    flex-direction: row; align-items: center; justify-content: space-between;
  }
}
@media (min-width: 1024px) {
  .process-timeline { gap: 0; }
  .process-step { gap: 2.5rem; padding: 2rem 0; }
  .process-card { padding: 2rem; }
  .process-line { display: block; }
}

/* ===== FIT ===== */
.fit-card { padding: 2rem; border-radius: 0.75rem; }
.fit-card--yes {
  border: 1px solid rgba(0,128,230,0.3);
  background: rgba(0,128,230,0.05);
}
.fit-card--no {
  border: 1px solid rgba(220,38,38,0.3);
  background: rgba(220,38,38,0.05);
}
.fit-list { display: flex; flex-direction: column; gap: 1rem; }
.fit-item { display: flex; align-items: flex-start; gap: 0.75rem; }
.fit-check {
  display: flex; align-items: center; justify-content: center;
  width: 1.25rem; height: 1.25rem; border-radius: 50%; flex-shrink: 0;
  margin-top: 2px;
}
.fit-check--yes { background: var(--primary); }
.fit-check--no { background: rgba(220,38,38,0.2); }

/* ===== CASES ===== */
.case-card { padding: 1.5rem; }
.case-grid {
  display: grid; gap: 1.5rem;
}
@media (min-width: 1024px) {
  .case-card { padding: 2rem; }
  .case-grid { grid-template-columns: 3fr 6fr 3fr; }
}
.case-metrics {
  display: flex; gap: 1rem; flex-wrap: wrap;
}
@media (min-width: 1024px) {
  .case-metrics {
    flex-direction: column;
    align-items: flex-end;
    justify-content: center;
    gap: 1.25rem;
  }
}
.case-metric-item {
  min-width: 7.5rem;
  text-align: right;
}
.case-metric-item .case-metric__value {
  margin-bottom: 0.125rem;
}
.case-metric__value {
  font-family: var(--font-heading); font-size: 1.5rem;
  font-weight: 700; color: var(--primary);
}

/* ===== FAQ ===== */
.faq-item {
  border: 1px solid var(--border); background: var(--bg-card);
  border-radius: 0.5rem; transition: border-color 0.2s;
}
.faq-trigger {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; padding: 1.25rem 1.5rem; text-align: left;
  font-size: 0.875rem; font-weight: 500; color: var(--fg);
}
.faq-trigger svg { transition: transform 0.2s; flex-shrink: 0; margin-left: 1rem; }
.faq-trigger.active svg { transform: rotate(180deg); }
.faq-answer {
  display: none; border-top: 1px solid var(--border);
  padding: 1rem 1.5rem 1.25rem;
}
.faq-answer.open { display: block; }

/* ===== CTA ===== */
.cta { position: relative; text-align: center; overflow: hidden; }
.cta__glow {
  position: absolute; left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 600px; height: 600px; border-radius: 50%;
  opacity: 0.1; pointer-events: none;
  background: radial-gradient(circle, rgba(0,128,230,0.4) 0%, transparent 70%);
}

/* ===== FOOTER ===== */
.footer {
  border-top: 1px solid var(--border);
  background: rgba(20,20,20,0.5);
  padding: 4rem 0;
}
.footer-grid {
  display: grid; gap: 2rem;
}
@media (min-width: 640px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
}
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 0.625rem; margin-top: 1rem; }
.footer-links a { font-size: 0.875rem; color: var(--fg-muted); transition: color 0.2s; }
.footer-links a:hover { color: var(--fg); }
.footer-social {
  display: flex; align-items: center; gap: 1rem; margin-top: 1.5rem; flex-wrap: wrap;
}
.footer-social a {
  font-size: 0.875rem; color: var(--primary); transition: opacity 0.2s;
}
.footer-social a:hover { opacity: 0.85; }
.footer-social .footer-social__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.25rem; height: 2.25rem;
  border-radius: var(--radius);
  background: rgba(31,31,31,0.5);
  color: var(--primary);
  transition: all 0.2s;
}
.footer-social .footer-social__icon:hover {
  background: rgba(0,128,230,0.2);
}
.footer-social .icon-telegram {
  width: 1.125rem; height: 1.125rem;
}
.footer-bottom {
  margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 1rem;
}
@media (min-width: 640px) {
  .footer-bottom { flex-direction: row; align-items: center; justify-content: space-between; }
}

/* ===== MODAL ===== */
.modal {
  position: fixed; inset: 0; z-index: 100;
  display: flex; align-items: center; justify-content: center;
  padding: 1.5rem;
  opacity: 0; visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}
.modal.open {
  opacity: 1; visibility: visible;
}
.modal__backdrop {
  position: absolute; inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
}
.modal__container {
  position: relative; z-index: 1;
  width: 100%; max-width: 28rem;
  max-height: 90vh; overflow-y: auto;
  border: 1px solid var(--border);
  background: var(--bg-card);
  border-radius: 1rem;
  padding: 2rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  transform: scale(0.95); transition: transform 0.3s;
}
.modal.open .modal__container {
  transform: scale(1);
}
.modal__close {
  position: absolute; top: 1rem; right: 1rem;
  display: flex; color: var(--fg-muted);
  padding: 0.25rem; border-radius: var(--radius);
  transition: color 0.2s, background 0.2s;
}
.modal__close:hover { color: var(--fg); background: var(--secondary); }
.modal__header { margin-bottom: 1.5rem; }
.modal__form { display: flex; flex-direction: column; gap: 1.25rem; }
.form-field { display: flex; flex-direction: column; gap: 0.5rem; }
.form-label {
  font-size: 0.875rem; font-weight: 500; color: var(--fg);
}
.form-input {
  width: 100%; padding: 0.75rem 1rem;
  font-family: inherit; font-size: 0.875rem;
  color: var(--fg); background: var(--secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s;
}
.form-input::placeholder { color: var(--fg-muted); opacity: 0.7; }
.form-input:focus {
  outline: none; border-color: var(--primary);
}
.form-textarea { resize: vertical; min-height: 6rem; }
.modal__form-actions { margin-top: 0.5rem; }
.form-message {
  font-size: 0.875rem; padding: 0.75rem; border-radius: var(--radius);
  display: none; margin-top: 0.5rem;
}
.form-message.success { display: block; background: rgba(0,128,230,0.1); color: var(--primary); }
.form-message.error { display: block; background: rgba(220,38,38,0.1); color: var(--destructive); }

@media (min-width: 640px) {
  .modal__container { padding: 2.5rem; }
  .modal__header .heading--lg { font-size: 2rem; }
}

/* ===== ANIMATIONS ===== */
.fade-up {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }