:root {
  --primary: #0011ff;
  --primary-dark: #000ccc;
  --dark: #24292e;
  --text: #475569;
  --light: #f3f5f8;
  --white: #ffffff;
  --border: #e6e6e6;
  --radius: 12px;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --container: 1140px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  background: var(--white);
}

img {
  max-width: 100%;
  display: block;
}

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

h1,
h2,
h3,
h4 {
  font-family: 'Rubik', sans-serif;
  color: var(--dark);
  line-height: 1.2;
  margin: 0 0 0.6em;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.1rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
}

p {
  margin: 0 0 1em;
}

.container {
  width: min(var(--container), 100% - 2.5rem);
  margin-inline: auto;
}

.section {
  padding: 5rem 0;
}

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

.kicker {
  display: inline-block;
  font-family: 'Rubik', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.section-head {
  max-width: 680px;
  margin-bottom: 3rem;
}

.section-head--center {
  margin-inline: auto;
  text-align: center;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.85rem 1.7rem;
  border-radius: 999px;
  font-family: 'Rubik', sans-serif;
  font-weight: 600;
  text-decoration: none;
  border: 2px solid var(--primary);
  background: var(--primary);
  color: var(--white);
  cursor: pointer;
  transition: background 0.2s, color 0.2s, transform 0.2s;
}

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

.btn--outline {
  background: transparent;
  color: var(--primary);
}

.btn--outline:hover {
  background: var(--primary);
  color: var(--white);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.link-arrow {
  font-family: 'Rubik', sans-serif;
  font-weight: 600;
  text-decoration: none;
}

.link-arrow::after {
  content: ' →';
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}

.site-logo {
  font-family: 'Rubik', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dark);
  text-decoration: none;
}

.site-logo span {
  color: var(--primary);
}

.main-nav ul {
  display: flex;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav a {
  font-family: 'Rubik', sans-serif;
  font-weight: 500;
  color: var(--dark);
  text-decoration: none;
  padding: 0.4rem 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}

.main-nav a:hover,
.main-nav a[aria-current='page'] {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.main-nav {
  margin-left: auto;
}

.header-phone {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: 2rem;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  font-family: 'Rubik', sans-serif;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: opacity 0.2s;
}

.header-phone img {
  width: 18px;
  height: 18px;
  filter: brightness(0) invert(1);
}

.header-phone:hover {
  opacity: 0.85;
}

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  padding: 0.5rem;
  cursor: pointer;
  color: var(--dark);
}

.nav-toggle svg {
  width: 28px;
  height: 28px;
}

/* Hero */
.hero {
  padding: 5rem 0;
  background: linear-gradient(180deg, #ffffff 0%, var(--light) 100%);
}

.hero .container,
.split .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero p.lead {
  font-size: 1.15rem;
  max-width: 540px;
}

.hero-image img,
.split-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  aspect-ratio: 4 / 3;
}

.hero-image img {
  aspect-ratio: 4 / 5;
}

.page-hero {
  padding: 4.5rem 0 3.5rem;
  background: var(--light);
  text-align: center;
}

.page-hero p {
  max-width: 640px;
  margin-inline: auto;
}

/* Cards */
.grid {
  display: grid;
  gap: 1.75rem;
}

.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: transform 0.2s;
}

.card:hover {
  transform: translateY(-4px);
}

.card-number {
  display: inline-block;
  font-family: 'Rubik', sans-serif;
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 1rem;
}

/* CTA band */
.cta-band {
  background: var(--primary);
  color: var(--white);
  padding: 4.5rem 0;
  text-align: center;
}

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

.cta-band p {
  opacity: 0.9;
  max-width: 620px;
  margin: 0 auto 2rem;
}

.cta-band .btn {
  background: var(--white);
  border-color: var(--white);
  color: var(--primary);
}

.cta-band .btn:hover {
  background: var(--dark);
  border-color: var(--dark);
  color: var(--white);
}

.cta-band .btn-row {
  justify-content: center;
  margin-top: 0;
}

/* Steps */
.step-number {
  font-family: 'Rubik', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Testimonials */
.testimonial p {
  font-style: italic;
}

.testimonial cite {
  font-style: normal;
  font-family: 'Rubik', sans-serif;
  font-weight: 600;
  color: var(--dark);
}

/* Stats */
.stats {
  background: var(--dark);
  padding: 3.5rem 0;
}

.stat {
  text-align: center;
}

.stat-value {
  display: block;
  font-family: 'Rubik', sans-serif;
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.1;
}

.stat-label {
  color: #cbd5e1;
  font-size: 0.95rem;
}

.stats .grid {
  grid-template-columns: repeat(4, 1fr);
}

/* Services detail */
.service {
  padding: 4rem 0;
  border-bottom: 1px solid var(--border);
}

.service:last-of-type {
  border-bottom: 0;
}

.service .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.service--reverse .container > :first-child {
  order: 2;
}

.gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  aspect-ratio: 4 / 3;
}

.gallery img:only-child {
  grid-column: 1 / -1;
}

/* Contact */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 3.5rem;
  align-items: start;
}

.contact-card {
  background: var(--light);
  border-radius: var(--radius);
  padding: 2rem;
}

.contact-card + .contact-card {
  margin-top: 1.25rem;
}

.contact-card h3 {
  margin-bottom: 0.4rem;
}

.form {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
  box-shadow: var(--shadow);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-field--full {
  grid-column: 1 / -1;
}

.form label {
  font-family: 'Rubik', sans-serif;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--dark);
}

.form input,
.form select,
.form textarea {
  font: inherit;
  padding: 0.8rem 1rem;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  background: var(--white);
  color: var(--dark);
}

.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: 2px solid var(--primary);
  outline-offset: 1px;
  border-color: transparent;
}

.form textarea {
  min-height: 150px;
  resize: vertical;
}

.form .btn {
  margin-top: 1.5rem;
  border: 0;
}

.form-note {
  font-size: 0.9rem;
  margin-top: 1rem;
  margin-bottom: 0;
}

/* Footer */
.site-footer {
  background: var(--dark);
  color: #cbd5e1;
  padding: 3.5rem 0 1.5rem;
}

.site-footer a {
  color: var(--white);
  text-decoration: none;
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2.5rem;
}

.site-footer h4 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 1rem;
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer li + li {
  margin-top: 0.5rem;
}

.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid #334155;
  font-size: 0.9rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Responsive */
@media (max-width: 960px) {
  .grid--3,
  .grid--4,
  .stats .grid,
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero .container,
  .split .container,
  .service .container,
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .service--reverse .container > :first-child {
    order: 0;
  }

  .hero-image img {
    aspect-ratio: 4 / 3;
  }
}

@media (max-width: 720px) {
  body {
    font-size: 16px;
  }

  .section {
    padding: 3.5rem 0;
  }

  .nav-toggle {
    display: block;
    margin-left: auto;
  }

  .header-phone {
    margin-left: 0.5rem;
    padding: 0.4rem 0.7rem;
    font-size: 0.8rem;
  }

  .header-phone img {
    display: none;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.08);
  }

  .main-nav.is-open {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 1.25rem 1rem;
  }

  .main-nav a {
    display: block;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--border);
  }

  .grid--3,
  .grid--4,
  .stats .grid,
  .footer-grid,
  .form-grid,
  .gallery {
    grid-template-columns: 1fr;
  }

  .form {
    padding: 1.5rem;
  }
}