:root {
  --primary: #f4c400;
  --primary-dark: #d8ad00;
  --dark: #111827;
  --dark-2: #1f2937;
  --text: #374151;
  --muted: #6b7280;
  --light: #f8fafc;
  --white: #ffffff;
  --border: #e5e7eb;
  --shadow: 0 20px 60px rgba(15, 23, 42, 0.12);
  --radius: 22px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.header-content {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

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

.logo-mark {
  font-size: 42px;
  line-height: 1;
  font-weight: 500;
  letter-spacing: -4px;
  color: #555;
  position: relative;
}

.logo-mark::after {
  content: "";
  position: absolute;
  width: 72px;
  height: 10px;
  border-top: 3px solid var(--primary);
  border-radius: 100%;
  right: -54px;
  bottom: 3px;
  transform: rotate(-5deg);
}

.logo-text {
  display: flex;
  flex-direction: column;
  margin-left: 28px;
  font-size: 13px;
  color: #555;
}

.logo-text strong {
  color: var(--dark);
}

.nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav a {
  font-size: 14px;
  font-weight: 600;
  color: var(--dark-2);
  padding: 10px 14px;
  border-radius: 999px;
  transition: 0.2s ease;
}

.nav a:hover {
  background: #f3f4f6;
}

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

.nav .nav-button:hover {
  background: #000;
}

.menu-toggle {
  display: none;
  border: none;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--dark);
  margin: 6px 0;
}

.hero {
  position: relative;
  min-height: 690px;
  display: flex;
  align-items: center;
  color: var(--white);
  background:
    linear-gradient(110deg, rgba(17, 24, 39, 0.92), rgba(17, 24, 39, 0.48)),
    url("https://images.unsplash.com/photo-1552664730-d307ca884978?auto=format&fit=crop&w=1800&q=80")
    center/cover no-repeat;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 75% 30%, rgba(244, 196, 0, 0.22), transparent 34%),
    linear-gradient(to bottom, transparent, rgba(17, 24, 39, 0.55));
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 42px;
  align-items: center;
}

.eyebrow,
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.12em;
  margin-bottom: 14px;
}

.eyebrow::before,
.section-label::before {
  content: "";
  width: 34px;
  height: 2px;
  background: currentColor;
}

.hero h1 {
  max-width: 760px;
  font-size: clamp(38px, 6vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.05em;
  margin-bottom: 24px;
}

.hero-text p {
  max-width: 650px;
  font-size: 19px;
  color: #e5e7eb;
  margin-bottom: 34px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  font-weight: 800;
  border-radius: 999px;
  padding: 14px 22px;
  transition: 0.2s ease;
}

.btn-primary {
  color: #151515;
  background: var(--primary);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

.btn-secondary {
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.36);
  background: rgba(255,255,255,0.12);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.22);
  transform: translateY(-2px);
}

.hero-card {
  padding: 32px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.13);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.24);
  box-shadow: var(--shadow);
}

.hero-card h2 {
  font-size: 28px;
  margin-bottom: 12px;
}

.hero-card p {
  color: #f3f4f6;
}

.stats {
  margin-top: -56px;
  position: relative;
  z-index: 3;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}

.stats-grid div {
  padding: 28px;
  border-right: 1px solid var(--border);
}

.stats-grid div:last-child {
  border-right: none;
}

.stats-grid strong {
  display: block;
  color: var(--dark);
  font-size: 20px;
  margin-bottom: 6px;
}

.stats-grid span {
  color: var(--muted);
  font-size: 14px;
}

.section {
  padding: 96px 0;
}

.section-light {
  background: var(--light);
}

.two-columns {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 64px;
  align-items: start;
}

.section h2 {
  color: var(--dark);
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.text-content p {
  margin-bottom: 18px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 44px;
}

.section-heading h2 {
  margin-bottom: 14px;
}

.section-heading p {
  color: var(--muted);
  font-size: 18px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.service-card {
  padding: 30px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
  transition: 0.2s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: rgba(244, 196, 0, 0.55);
}

.service-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  margin-bottom: 24px;
  border-radius: 14px;
  background: #fff6bf;
  color: #8a6f00;
  font-weight: 900;
}

.service-card h3 {
  color: var(--dark);
  font-size: 20px;
  line-height: 1.25;
  margin-bottom: 12px;
}

.service-card p {
  color: var(--muted);
  font-size: 15px;
}

.details-section {
  background:
    linear-gradient(180deg, #fff, #f8fafc);
}

.accordion {
  display: grid;
  gap: 14px;
}

.accordion-item {
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--white);
  overflow: hidden;
}

.accordion-header {
  width: 100%;
  border: none;
  background: transparent;
  padding: 22px 24px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: var(--dark);
  font-size: 17px;
  font-weight: 800;
  cursor: pointer;
  text-align: left;
}

.accordion-header span {
  color: var(--primary-dark);
  font-size: 24px;
}

.accordion-body {
  display: none;
  padding: 0 24px 22px;
  color: var(--muted);
}

.accordion-item.active .accordion-body {
  display: block;
}

.accordion-item.active .accordion-header span {
  transform: rotate(45deg);
}

.section-dark {
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(17,24,39,0.96), rgba(31,41,55,0.94)),
    url("https://images.unsplash.com/photo-1497366754035-f200968a6e72?auto=format&fit=crop&w=1600&q=80")
    center/cover no-repeat;
}

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

.section-dark .text-content {
  color: #e5e7eb;
}

.clients-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.clients-grid div {
  min-height: 86px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--white);
  color: var(--dark-2);
  font-weight: 800;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
}

.cta {
  padding: 96px 0;
  background:
    radial-gradient(circle at 10% 20%, rgba(244,196,0,0.25), transparent 28%),
    linear-gradient(135deg, #111827, #030712);
  color: var(--white);
}

.cta-content {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: start;
}

.cta h2 {
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.1;
  letter-spacing: -0.04em;
  margin-bottom: 18px;
}

.cta p {
  color: #d1d5db;
  font-size: 18px;
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 30px;
  border-radius: var(--radius);
  background: var(--white);
  color: var(--dark);
  box-shadow: var(--shadow);
}

.contact-form label {
  display: grid;
  gap: 8px;
  font-weight: 700;
  font-size: 14px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px 16px;
  font: inherit;
  outline: none;
  transition: 0.2s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--primary-dark);
  box-shadow: 0 0 0 4px rgba(244,196,0,0.18);
}

.footer {
  padding: 30px 0;
  background: #030712;
  color: #d1d5db;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

.footer strong {
  color: var(--white);
}

.footer a {
  color: var(--primary);
}

@media (max-width: 900px) {
  .menu-toggle {
    display: block;
  }

  .nav {
    position: absolute;
    top: 82px;
    left: 20px;
    right: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: var(--white);
    box-shadow: var(--shadow);
  }

  .nav.active {
    display: flex;
  }

  .nav a {
    border-radius: 12px;
  }

  .hero {
    min-height: auto;
    padding: 110px 0 130px;
  }

  .hero-content,
  .two-columns,
  .cta-content {
    grid-template-columns: 1fr;
  }

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

  .stats-grid div {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .stats-grid div:last-child {
    border-bottom: none;
  }
}

@media (max-width: 600px) {
  .container {
    width: min(100% - 28px, 1120px);
  }

  .header-content {
    min-height: 74px;
  }

  .logo-mark {
    font-size: 34px;
  }

  .logo-text {
    font-size: 11px;
    margin-left: 18px;
  }

  .nav {
    top: 74px;
  }

  .hero {
    padding: 80px 0 110px;
  }

  .hero h1 {
    font-size: 40px;
  }

  .hero-text p {
    font-size: 16px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

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

  .section,
  .cta {
    padding: 70px 0;
  }

  .footer-content {
    flex-direction: column;
  }
}