/* Lumerions — premium cleaning service */

:root {
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-400: #94a3b8;
  --gray-600: #475569;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  --blue-500: #3b82f6;
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;
  --blue-soft: #eff6ff;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.1);
  --radius: 14px;
  --radius-lg: 22px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  color: var(--gray-800);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--blue-600);
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

a:hover {
  color: var(--blue-700);
}

.container {
  width: min(1120px, 92vw);
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s ease;
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 1.5rem;
}

.logo {
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--gray-900);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo:hover {
  color: var(--blue-600);
}

.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.nav-main {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-main a {
  padding: 0.5rem 0.85rem;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--gray-600);
}

.nav-main a:hover,
.nav-main a.is-active {
  color: var(--blue-600);
  background: var(--blue-soft);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 12px;
  background: var(--gray-100);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  width: 20px;
  height: 2px;
  background: var(--gray-800);
  border-radius: 1px;
  transition: transform 0.25s ease, opacity 0.2s;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.25s ease, background 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
  color: var(--white);
  box-shadow: 0 4px 18px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(37, 99, 235, 0.45);
  color: var(--white);
}

.btn-secondary {
  background: var(--white);
  color: var(--blue-600);
  border: 2px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  border-color: var(--blue-500);
  transform: translateY(-2px);
  color: var(--blue-700);
}

/* Hero */
.hero {
  position: relative;
  padding: clamp(3rem, 8vw, 5.5rem) 0;
  overflow: hidden;
  background: linear-gradient(180deg, var(--blue-soft) 0%, var(--white) 55%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.25rem, 4.5vw, 3.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--gray-900);
}

.hero-lead {
  margin: 0 0 1.75rem;
  font-size: 1.1rem;
  color: var(--gray-600);
  max-width: 32ch;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--gray-200);
}

.hero-stat strong {
  display: block;
  font-size: 1.5rem;
  color: var(--blue-600);
}

.hero-stat span {
  font-size: 0.85rem;
  color: var(--gray-400);
}

.hero-visual {
  position: relative;
}

.hero-visual img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  animation: fadeUp 0.9s ease forwards;
  opacity: 0;
}

.hero-badge {
  position: absolute;
  bottom: 1.25rem;
  left: 1.25rem;
  background: var(--white);
  padding: 0.75rem 1.1rem;
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-800);
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Sections */
.section {
  padding: clamp(3.5rem, 7vw, 5.5rem) 0;
}

.section-gray {
  background: var(--gray-50);
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3rem;
}

.section-head h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--gray-900);
}

.section-head p {
  margin: 0;
  color: var(--gray-600);
}

/* Cards grid */
.cards-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.75rem;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.2s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--blue-500);
}

.card img {
  border-radius: 12px;
  margin-bottom: 1rem;
  aspect-ratio: 4/3;
  object-fit: cover;
  width: 100%;
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
  color: var(--gray-900);
}

.card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--gray-600);
}

/* About split */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.split img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.split h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.6rem, 2.5vw, 2rem);
  color: var(--gray-900);
}

.split p {
  color: var(--gray-600);
  margin: 0 0 1rem;
}

/* Why list */
.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.why-item {
  display: flex;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  transition: box-shadow 0.25s ease, border-color 0.2s;
}

.why-item:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--blue-500);
}

.why-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--blue-soft);
  color: var(--blue-600);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
}

.why-item h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
  color: var(--gray-900);
}

.why-item p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--gray-600);
}

/* Pricing */
.pricing-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.price-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  text-align: center;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  position: relative;
}

.price-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.price-card.featured {
  border-color: var(--blue-500);
  background: linear-gradient(180deg, var(--blue-soft), var(--white));
}

.price-card .tag {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--blue-600);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
}

.price-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  color: var(--gray-900);
}

.price-card .amount {
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--blue-600);
  margin: 0 0 0.5rem;
}

.price-card .currency {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--gray-600);
}

.price-card p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--gray-600);
}

/* Testimonials */
.testimonials {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.quote {
  background: var(--white);
  padding: 1.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.25s ease;
}

.quote:hover {
  box-shadow: var(--shadow-md);
}

.quote p {
  margin: 0 0 1rem;
  font-style: italic;
  color: var(--gray-700);
  font-size: 0.98rem;
}

.quote footer {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gray-900);
}

.quote footer span {
  display: block;
  font-weight: 400;
  font-size: 0.8rem;
  color: var(--gray-400);
  margin-top: 0.2rem;
}

/* CTA band */
.cta-band {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-700));
  color: var(--white);
  padding: clamp(3rem, 6vw, 4.5rem);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.cta-band h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  color: var(--white);
}

.cta-band p {
  margin: 0 0 1.5rem;
  opacity: 0.95;
  max-width: 520px;
  margin-inline: auto;
}

.cta-band .btn-primary {
  background: var(--white);
  color: var(--blue-700);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.cta-band .btn-primary:hover {
  color: var(--blue-700);
}

/* Footer */
.site-footer {
  background: var(--gray-900);
  color: var(--gray-200);
  padding: 3.5rem 0 2rem;
  margin-top: 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-footer .logo {
  color: var(--white);
  margin-bottom: 0.75rem;
}

.site-footer .logo:hover {
  color: var(--blue-400);
}

.footer-brand p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--gray-400);
  line-height: 1.6;
}

.footer-col h4 {
  margin: 0 0 1rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-400);
}

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

.footer-col li {
  margin-bottom: 0.6rem;
}

.footer-col a {
  color: var(--gray-200);
  font-size: 0.95rem;
}

.footer-col a:hover {
  color: var(--white);
}

.footer-bottom {
  padding-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--gray-400);
}

.footer-bottom a {
  color: var(--gray-400);
}

.footer-bottom a:hover {
  color: var(--white);
}

/* Page hero (inner pages) */
.page-hero {
  padding: clamp(2.5rem, 5vw, 3.5rem) 0;
  background: linear-gradient(180deg, var(--blue-soft), var(--white));
  text-align: center;
}

.page-hero h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.85rem, 3vw, 2.5rem);
  color: var(--gray-900);
}

.page-hero p {
  margin: 0 auto;
  max-width: 560px;
  color: var(--gray-600);
}

/* Legal */
.legal-content {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 0 4rem;
}

.legal-content h2 {
  margin: 2rem 0 0.75rem;
  font-size: 1.25rem;
  color: var(--gray-900);
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content p,
.legal-content ul {
  color: var(--gray-600);
  margin: 0 0 1rem;
}

.legal-content ul {
  padding-left: 1.25rem;
}

/* Contact form */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 3rem;
  padding: 2rem 0 4rem;
  align-items: start;
}

.contact-info-box {
  background: var(--gray-50);
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
}

.contact-info-box h2 {
  margin: 0 0 1rem;
  font-size: 1.35rem;
  color: var(--gray-900);
}

.contact-info-box p {
  margin: 0 0 1rem;
  color: var(--gray-600);
  font-size: 0.95rem;
}

.contact-info-box a {
  font-weight: 600;
}

.form-card {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--gray-800);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  font-family: inherit;
  font-size: 1rem;
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  background: var(--gray-50);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--blue-500);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
  background: var(--white);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.form-error {
  color: #dc2626;
  font-size: 0.8rem;
  margin-top: 0.35rem;
  display: none;
}

.form-group.is-invalid .form-error {
  display: block;
}

.form-group.is-invalid input,
.form-group.is-invalid textarea {
  border-color: #dc2626;
}

.form-success {
  display: none;
  padding: 1rem;
  background: #ecfdf5;
  border: 1px solid #6ee7b7;
  border-radius: 12px;
  color: #047857;
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.form-success.is-visible {
  display: block;
  animation: fadeUp 0.4s ease;
}

/* Services page list */
.service-block {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2rem;
  align-items: center;
  padding: 2rem 0;
  border-bottom: 1px solid var(--gray-200);
}

.service-block:last-child {
  border-bottom: none;
}

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

.service-block h2 {
  margin: 0 0 0.5rem;
  font-size: 1.35rem;
  color: var(--gray-900);
}

.service-block p {
  margin: 0;
  color: var(--gray-600);
}

/* Utilities */
.text-center {
  text-align: center;
}

.mt-section {
  margin-top: 2rem;
}

@media (max-width: 960px) {
  .hero-grid,
  .split,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    order: -1;
  }

  .cards-3,
  .pricing-row,
  .testimonials {
    grid-template-columns: 1fr;
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .service-block {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-main {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    background: var(--white);
    flex-direction: column;
    padding: 1rem;
    gap: 0;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-md);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s ease, opacity 0.3s ease;
  }

  .nav-main.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-main a {
    width: 100%;
    padding: 0.85rem 1rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .pricing-row {
    grid-template-columns: 1fr;
  }
}