:root {
  --bg: #0b0f14;
  --bg-soft: #111827;
  --text: #f1f5f9;
  --muted: #b4bcc9; /* improved contrast: 5.2:1 ratio */
  --accent: #10b981;
  --accent-danger: #ef4444;
  --accent-soft: rgba(16, 185, 129, 0.12);
  --card: rgba(17, 24, 39, 0.95);
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 28px 70px rgba(0, 0, 0, 0.6);
  --font-main: "Inter", "Space Grotesk", "Neue Haas Grotesk Display Pro", sans-serif;
  --font-display: "Space Grotesk", "Inter", sans-serif;
  --font-hero: "Space Grotesk", "Inter", sans-serif;
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  padding: 12px 24px;
  background: var(--accent);
  color: #03120c;
  font-weight: 600;
  border-radius: 999px;
  z-index: 9999;
  text-decoration: none;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 16px;
}



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

body {
  margin: 0;
  font-family: var(--font-main);
  color: var(--text);
  background: radial-gradient(circle at 20% 12%, rgba(16, 185, 129, 0.12), transparent 35%),
    radial-gradient(circle at 78% 18%, rgba(255, 255, 255, 0.06), transparent 45%),
    linear-gradient(180deg, #0b0f14 0%, #0b1016 45%, #0b0f14 100%);
  min-height: 100vh;
  overflow-x: hidden;
  letter-spacing: -0.01em;
}

main {
  position: relative;
  z-index: 1;
}

/* Optimized background layers */
.bg-orbit {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 25% 18%, rgba(16, 185, 129, 0.18), transparent 45%),
    radial-gradient(circle at 75% 30%, rgba(255, 255, 255, 0.06), transparent 40%),
    radial-gradient(circle at 50% 82%, rgba(16, 185, 129, 0.12), transparent 55%);
  pointer-events: none;
  z-index: 0;
  mix-blend-mode: screen;
  will-change: transform;
  contain: strict;
}

.bg-mesh {
  position: fixed;
  inset: -20% -10%;
  background:
    radial-gradient(circle at 10% 30%, rgba(16, 185, 129, 0.2), transparent 40%),
    radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.08), transparent 35%),
    radial-gradient(circle at 40% 80%, rgba(16, 185, 129, 0.16), transparent 45%);
  filter: blur(40px);
  opacity: 0.6;
  pointer-events: none;
  z-index: 0;
  will-change: transform;
  contain: strict;
}

.bg-noise {
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120' viewBox='0 0 120 120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
  opacity: 0.15;
  mix-blend-mode: soft-light;
  pointer-events: none;
  z-index: 0;
  contain: strict;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 2;
  backdrop-filter: blur(18px);
  background: rgba(11, 15, 20, 0.8);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 6vw;
}

.logo {
  letter-spacing: 0.5em;
  font-weight: 600;
  font-size: 0.82rem;
  text-transform: uppercase;
  font-family: var(--font-display);
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--text);
}

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  padding: 4px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 101;
}

.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle.is-open .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-cta {
  flex-shrink: 0;
}

.lang-toggle {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 100;
  padding: 8px 12px;
  background: rgba(17, 24, 39, 0.8);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 500;
  font-family: var(--font-display);
  letter-spacing: 0.08em;
  cursor: pointer;
  opacity: 0.4;
  transition: opacity 0.2s ease, color 0.2s ease;
}

.lang-toggle:hover {
  opacity: 1;
  color: var(--text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn-primary {
  background: linear-gradient(180deg, #1ee2a3, #0aa872);
  color: #03120c;
  box-shadow: 0 16px 36px rgba(16, 185, 129, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 34px rgba(16, 185, 129, 0.45);
}

.hero {
  padding: 160px 6vw 120px;
  display: flex;
  flex-direction: column;
  gap: 54px;
  align-items: center;
  text-align: center;
  position: relative;
}

.hero-inner {
  max-width: 900px;
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 1;
}


h1 {
  font-size: clamp(3.6rem, 8vw, 6rem);
  line-height: 1.02;
  margin: 0 0 22px;
  letter-spacing: -0.035em;
  text-shadow: 0 30px 60px rgba(0, 0, 0, 0.35);
  font-family: var(--font-hero);
}

.hero-line {
  display: block;
}

.subtitle {
  font-size: clamp(1.2rem, 2.4vw, 1.65rem);
  color: var(--muted);
  margin: 0 0 32px;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}



.hero-halo {
  position: absolute;
  top: 14%;
  width: min(900px, 90vw);
  height: 340px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.2), transparent 70%);
  filter: blur(10px);
  opacity: 0.8;
  z-index: 0;
}


.section {
  padding: 120px 6vw;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  position: relative;
}

.section::after {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.25);
  transform: translate(-50%, -50%);
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.18);
}


.section-header {
  max-width: 760px;
  margin: 0 auto 48px;
  text-align: center;
}

h2 {
  margin: 0 0 14px;
  font-size: clamp(2.4rem, 3.6vw, 3.3rem);
  letter-spacing: -0.02em;
}



.process-line {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px;
  max-width: 1040px;
  margin: 0 auto;
  padding: 22px 0 8px;
}

.process-line::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 12px;
  height: 1px;
  background: rgba(16, 185, 129, 0.22);
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.12);
}

.process-step {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
  padding: 0 10px;
}

.process-dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: rgba(16, 185, 129, 0.55);
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.18);
}

.process-text {
  line-height: 1.5;
  max-width: 220px;
  display: grid;
  gap: 10px;
}

.process-title {
  font-weight: 600;
}

.process-sub {
  margin: 0;
  color: rgba(241, 245, 249, 0.68);
  font-size: 0.98rem;
}

.process-footer {
  margin: 36px auto 0;
  max-width: 620px;
  text-align: center;
  color: var(--muted);
  font-size: 1.05rem;
}


@media (max-width: 900px) {
  .process-line {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 36px 24px;
    padding: 12px 0 0;
  }

  .process-line::before {
    display: none;
  }

  .process-step {
    padding: 16px 10px 0;
  }
}

@media (max-width: 620px) {
  .process-line {
    grid-template-columns: 1fr;
    gap: 26px;
    padding: 0;
  }

  .process-line::before {
    display: block;
    left: 10px;
    right: auto;
    top: 0;
    bottom: 0;
    width: 1px;
    height: auto;
  }

  .process-step {
    flex-direction: row;
    align-items: flex-start;
    text-align: left;
    padding: 0 0 0 24px;
    gap: 16px;
  }

  .process-dot {
    margin-top: 6px;
  }

  .process-text {
    max-width: none;
  }
}

.cases-hint {
  margin: 16px 0 0;
  font-size: 0.95rem;
  color: rgba(241, 245, 249, 0.6);
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.cases-hint-arrow {
  position: relative;
  display: inline-flex;
  align-items: center;
  width: 110px;
  height: 18px;
}

.cases-hint-arrow::before {
  content: "";
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: rgba(16, 185, 129, 0.35);
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.18);
}

.cases-hint-arrow::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  width: 14px;
  height: 14px;
  border-right: 2px solid rgba(16, 185, 129, 0.45);
  border-bottom: 2px solid rgba(16, 185, 129, 0.45);
  transform: translateY(-50%) rotate(-45deg);
}

.cases-wrap {
  max-width: 1200px;
  margin: 0 auto;
}

.cases {
  display: flex;
  gap: 28px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 8px 8vw 24px;
  margin: 0 auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(16, 185, 129, 0.4) transparent;
}

.cases-dots {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 16px;
}

.cases-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: rgba(241, 245, 249, 0.25);
  border: none;
  padding: 0;
  cursor: pointer;
  transition: background 200ms ease, transform 200ms ease, box-shadow 200ms ease;
}

.cases-dot:hover {
  background: rgba(241, 245, 249, 0.5);
}

.cases-dot:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.4);
}

.cases-dot.is-active {
  background: rgba(241, 245, 249, 0.9);
  transform: scale(1.25);
}

.case-card {
  scroll-snap-align: center;
  flex: 0 0 min(1040px, 88vw);
  padding: 36px 40px;
  border-radius: 32px;
  background: rgba(12, 16, 24, 0.6);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 32px;
  align-items: stretch;
}

.case-visual {
  position: relative;
  border-radius: 26px;
  background: radial-gradient(circle at 20% 20%, rgba(16, 185, 129, 0.08), transparent 55%),
    rgba(7, 9, 12, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 220px;
}

.case-visual::before {
  content: "";
  position: absolute;
  inset: 20px;
  border-radius: 20px;
  border: 1px dashed rgba(255, 255, 255, 0.08);
}

.case-visual-label {
  font-size: 0.9rem;
  color: rgba(241, 245, 249, 0.6);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.case-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 26px;
}

.case-client {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}

.case-body {
  display: grid;
  gap: 20px;
  align-content: center;
}

.case-title {
  margin: 0;
  font-size: clamp(1.6rem, 2.5vw, 2rem);
  letter-spacing: -0.01em;
}

.case-row {
  display: grid;
  gap: 8px;
}

.case-label {
  color: rgba(241, 245, 249, 0.65);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
}

.case-label.is-problem {
  color: rgba(148, 163, 184, 0.7);
}

.case-label.is-result {
  color: rgba(16, 185, 129, 0.7);
  font-weight: 600;
}

.case-text {
  margin: 0;
  color: var(--muted);
}

.case-row.is-problem .case-text {
  color: rgba(241, 245, 249, 0.45);
}

.case-row.is-solution .case-text {
  color: rgba(241, 245, 249, 0.78);
}

.case-results {
  display: grid;
  gap: 10px;
}

.case-result-line {
  font-size: 1.2rem;
  font-weight: 600;
  color: #d1fae5;
  text-shadow: 0 0 14px rgba(16, 185, 129, 0.18);
}

@media (max-width: 960px) {
  .cases {
    padding: 8px 4vw 24px;
  }

  .case-card {
    grid-template-columns: 1fr;
    padding: 28px;
  }
}

@media (max-width: 720px) {
  .case-card {
    flex-basis: 92vw;
  }

  .case-visual {
    min-height: 180px;
  }
}


/* Benefits Section */
.benefits-section {
  padding: 100px 6vw;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.benefit-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  border-radius: 16px;
  background: rgba(16, 185, 129, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.04);
  transition: transform 0.25s ease, background 0.25s ease;
}

.benefit-card:hover {
  transform: translateY(-2px);
  background: rgba(16, 185, 129, 0.08);
}

.benefit-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(16, 185, 129, 0.12);
  color: var(--accent);
}

.benefit-icon svg {
  width: 24px;
  height: 24px;
}

.benefit-content {
  min-width: 0;
}

.benefit-title {
  margin: 0 0 6px;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.benefit-desc {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.45;
  color: var(--muted);
}

@media (max-width: 1024px) {
  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .benefits-section {
    padding: 48px 16px;
  }

  .benefits-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .benefit-card {
    padding: 20px;
  }

  .benefit-icon {
    width: 40px;
    height: 40px;
  }

  .benefit-icon svg {
    width: 20px;
    height: 20px;
  }
}

/* Why Section */
.why-section {
  position: relative;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.why-card {
  padding: 32px 24px;
  border-radius: 20px;
  background: rgba(16, 185, 129, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  text-align: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.why-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(16, 185, 129, 0.08);
}

.why-icon {
  font-size: 2rem;
  margin-bottom: 16px;
  display: block;
}

.why-title {
  margin: 0 0 8px;
  font-size: 1.15rem;
  font-weight: 600;
}

.why-desc {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

@media (max-width: 900px) {
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .why-grid {
    grid-template-columns: 1fr;
  }
}

.cta-section {
  padding: 120px 6vw;
}

.cta-inner {
  padding: 50px;
  border-radius: 32px;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(17, 24, 39, 0.95));
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow);
  max-width: 980px;
  margin: 0 auto;
  text-align: center;
}

.cta-inner h2 {
  margin-top: 0;
}

.cta-subtitle {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 1.1rem;
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 26px;
}

.cta-contact {
  color: var(--muted);
}

.site-footer {
  padding: 30px 6vw 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--muted);
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-logo {
  letter-spacing: 0.5em;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  font-family: var(--font-display);
  color: var(--text);
}

.footer-copy {
  color: rgba(148, 163, 184, 0.5);
}

.footer-right {
  display: flex;
  gap: 20px;
}

.footer-link {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: var(--accent);
}


/* Products Section */
.products-section {
  position: relative;
}

.products-grid {
  display: grid;
  gap: 32px;
  max-width: 1100px;
  margin: 0 auto;
}

.product-card {
  padding: 32px 36px;
  border-radius: 24px;
  background: rgba(16, 185, 129, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  position: relative;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(16, 185, 129, 0.08);
}

.product-card--flagship {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.12), rgba(16, 185, 129, 0.04));
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.product-tag {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
  max-width: calc(100% - 120px);
}

.product-badge {
  position: absolute;
  top: 24px;
  right: 24px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(239, 68, 68, 0.15);
  color: #fca5a5;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.product-badge--free {
  background: linear-gradient(135deg, rgba(52, 211, 153, 0.25), rgba(16, 185, 129, 0.35));
  color: #6ee7b7;
  box-shadow: 0 0 20px rgba(52, 211, 153, 0.3);
  animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(52, 211, 153, 0.3); }
  50% { box-shadow: 0 0 30px rgba(52, 211, 153, 0.5); }
}

.product-title {
  margin: 0 0 12px;
  font-size: clamp(1.6rem, 2.5vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.product-desc {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.5;
  max-width: 600px;
}

.product-visual {
  margin: 24px auto;
  border-radius: 16px;
  overflow: hidden;
  max-width: 600px;
}

.product-video {
  width: 100%;
  display: block;
  border-radius: 16px;
}

.product-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 24px 0;
}

.product-step {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--muted);
}

.product-step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  background: rgba(16, 185, 129, 0.2);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  flex-shrink: 0;
}

.product-problem,
.product-solution {
  padding: 16px 20px;
  border-radius: 12px;
  margin: 12px 0;
  font-size: 0.95rem;
  line-height: 1.5;
}

.product-problem {
  background: rgba(239, 68, 68, 0.08);
  color: rgba(252, 165, 165, 0.9);
}

.product-problem strong {
  color: #fca5a5;
}

.product-solution {
  background: rgba(16, 185, 129, 0.08);
  color: rgba(167, 243, 208, 0.9);
}

.product-solution strong {
  color: var(--accent);
}

.product-list {
  margin: 16px 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.product-list li {
  position: relative;
  padding-left: 20px;
  color: var(--muted);
  font-size: 0.95rem;
}

.product-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: rgba(16, 185, 129, 0.5);
}

.product-examples {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0;
}

.product-examples-title {
  width: 100%;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(148, 163, 184, 0.6);
  margin-bottom: 4px;
}

.product-examples span:not(.product-examples-title) {
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.85rem;
  color: var(--muted);
}

.product-usecases {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0;
}

.product-usecases-title {
  width: 100%;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(148, 163, 184, 0.6);
  margin-bottom: 4px;
}

.product-usecases span:not(.product-usecases-title) {
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(52, 211, 153, 0.08);
  border: 1px solid rgba(52, 211, 153, 0.2);
  font-size: 0.85rem;
  color: #6ee7b7;
}

.product-audience {
  margin: 16px 0;
  font-size: 0.9rem;
  color: rgba(148, 163, 184, 0.7);
}

.product-footer {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.product-price {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.25);
}

@media (max-width: 768px) {
  .product-steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-card {
    padding: 24px;
  }
}

@media (max-width: 480px) {
  .product-steps {
    grid-template-columns: 1fr;
  }
}

/* Reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

@media (max-width: 820px) {
  .nav {
    flex-direction: column;
    gap: 14px;
  }

  .nav-links {
    gap: 20px;
  }

  .hero {
    padding-top: 90px;
  }

  .cta-inner {
    padding: 28px;
  }

  .hero-halo {
    height: 240px;
  }
}

@media (max-width: 560px) {
  .nav-links {
    display: none;
  }
}


@media (max-width: 560px) {
  .btn {
    width: 100%;
  }

  .hero-cta {
    align-items: stretch;
  }
}

/* ============================================
   RESPONSIVE IMPROVEMENTS
   ============================================ */

/* Tablet (до 900px) */
@media (max-width: 900px) {
  .product-visual {
    max-width: 100%;
  }

  .product-desc {
    max-width: 100%;
  }

  .product-usecases span:not(.product-usecases-title) {
    font-size: 0.8rem;
    padding: 5px 12px;
  }
}

/* Mobile landscape / Small tablet (до 768px) */
@media (max-width: 768px) {
  .site-header {
    position: fixed;
    left: 0;
    right: 0;
    z-index: 200;
  }

  .nav {
    position: relative;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 100px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    z-index: 150;
  }

  .nav-links.is-open {
    max-height: 220px;
  }

  .nav-links .nav-link {
    display: block;
    padding: 18px 24px;
    font-size: 1rem;
    font-weight: 500;
    color: var(--muted);
    border-bottom: 1px solid var(--border);
    transition: background 0.2s ease, color 0.2s ease;
  }

  .nav-links .nav-link:last-child {
    border-bottom: none;
  }

  .nav-links .nav-link:hover,
  .nav-links .nav-link:active {
    background: rgba(16, 185, 129, 0.08);
    color: var(--accent);
  }

  .nav-cta {
    display: none;
  }

  /* Offset for fixed header */
  main {
    padding-top: 72px;
  }

  .section {
    padding: 60px 20px;
  }

  .section-header h2 {
    font-size: 1.8rem;
  }

  .product-card {
    padding: 24px 20px;
  }

  .product-title {
    font-size: 1.4rem;
  }

  .product-desc {
    font-size: 0.95rem;
  }

  .product-badge {
    position: relative;
    top: auto;
    right: auto;
    display: inline-block;
    margin-bottom: 12px;
  }

  .product-tag {
    max-width: 100%;
    display: block;
    margin-bottom: 8px;
  }

  .product-problem,
  .product-solution {
    padding: 14px 16px;
    font-size: 0.9rem;
  }

  .product-footer {
    flex-direction: column;
    gap: 12px;
    align-items: stretch;
  }

  .product-footer .btn {
    text-align: center;
  }

  .case-visual {
    min-height: 160px;
  }

  .why-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .why-card {
    padding: 20px;
  }
}

/* Mobile (до 560px) */
@media (max-width: 560px) {
  .hero h1 {
    font-size: 1.8rem;
  }

  .hero .subtitle {
    font-size: 1rem;
  }

  .section {
    padding: 48px 16px;
  }

  .section-header h2 {
    font-size: 1.5rem;
  }

  .product-card {
    padding: 20px 16px;
  }

  .product-title {
    font-size: 1.25rem;
  }

  .product-visual {
    margin: 16px auto;
    border-radius: 12px;
  }

  .product-video {
    border-radius: 12px;
  }

  .product-usecases {
    gap: 6px;
  }

  .product-usecases span:not(.product-usecases-title) {
    font-size: 0.75rem;
    padding: 4px 10px;
  }

  .product-list li {
    font-size: 0.9rem;
  }

  .product-examples span:not(.product-examples-title) {
    font-size: 0.8rem;
    padding: 5px 12px;
  }

  .case-card {
    padding: 20px;
  }

  .case-title {
    font-size: 1.1rem;
  }

  .case-visual {
    min-height: 140px;
  }

  .case-text {
    font-size: 0.85rem;
  }

  .why-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .why-card {
    padding: 16px;
    flex-direction: row;
    text-align: left;
    gap: 16px;
  }

  .why-icon {
    font-size: 1.5rem;
  }

  .process-step {
    padding-left: 24px;
  }

  .cta-inner {
    padding: 24px 16px;
  }

  .cta-inner h2 {
    font-size: 1.4rem;
  }

  .cta-subtitle {
    font-size: 0.95rem;
  }

  .footer-left,
  .footer-right {
    flex-direction: column;
    gap: 8px;
  }
}

/* Small mobile (до 380px) */
@media (max-width: 380px) {
  .hero h1 {
    font-size: 1.5rem;
  }

  .section-header h2 {
    font-size: 1.3rem;
  }

  .product-title {
    font-size: 1.15rem;
  }

  .product-steps {
    gap: 12px;
  }

  .product-step {
    font-size: 0.8rem;
  }

  .product-step-num {
    width: 20px;
    height: 20px;
    font-size: 0.7rem;
  }

  .btn {
    padding: 12px 20px;
    font-size: 0.9rem;
  }
}