:root {
  --blue: #00aeef;
  --blue-dark: #0088c2;
  --navy: #1a2a3a;
  --charcoal: #282828;
  --charcoal-deep: #1e1e1e;
  --gray-bg: #f4f4f4;
  --gray-border: #e5e5e5;
  --text: #555;
  --text-dark: #333;
  --white: #fff;
  --green: #2ecc71;
  --yellow: #f1c40f;
  --orange: #e67e22;
  --font: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  line-height: 1.65;
  background: var(--white);
}

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

a {
  color: var(--blue);
  text-decoration: none;
}

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

.container {
  width: min(1170px, 92%);
  margin: 0 auto;
}

/* Top header */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--gray-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}

.logo-link {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo-link img {
  height: 42px;
  width: auto;
}

.main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem 1.1rem;
  justify-content: center;
}

.main-nav a {
  color: var(--text-dark);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--blue);
  border-bottom-color: var(--blue);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--blue);
  color: var(--white) !important;
  padding: 0.55rem 1.1rem;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
}

.header-cta:hover {
  background: var(--blue-dark);
  color: var(--white) !important;
}

.nav-toggle {
  display: none;
  background: var(--charcoal);
  color: var(--white);
  border: none;
  padding: 0.5rem 0.75rem;
  font-size: 1.1rem;
  cursor: pointer;
}

/* Hero */
.hero {
  position: relative;
  min-height: 420px;
  background: var(--charcoal) center/cover no-repeat;
  display: flex;
  align-items: stretch;
}

.hero-overlay-box {
  position: absolute;
  left: 4%;
  top: 18%;
  max-width: 340px;
  background: rgba(0, 174, 239, 0.92);
  color: var(--white);
  padding: 1.25rem 1.5rem;
}

.hero-overlay-box .badge {
  display: inline-block;
  background: var(--charcoal);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  margin-bottom: 0.5rem;
  letter-spacing: 0.08em;
}

.hero-overlay-box h1 {
  margin: 0;
  font-size: 1.35rem;
  line-height: 1.3;
  font-weight: 700;
}

.hero-filter {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(26, 42, 58, 0.95);
  padding: 1rem 0;
}

.hero-filter .filter-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  align-items: end;
}

.hero-filter label {
  display: block;
  color: #b8c5d0;
  font-size: 0.72rem;
  margin-bottom: 0.35rem;
  text-transform: uppercase;
}

.hero-filter select {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: 1px solid #3a4f63;
  background: #243447;
  color: var(--white);
  font-size: 0.85rem;
}

.btn-search {
  width: 100%;
  padding: 0.72rem;
  background: var(--blue);
  color: var(--white);
  border: none;
  font-weight: 700;
  text-transform: uppercase;
  cursor: pointer;
  font-size: 0.85rem;
}

.btn-search:hover {
  background: var(--blue-dark);
}

/* Sections */
.section {
  padding: 4rem 0;
}

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

.section-title {
  text-align: center;
  margin-bottom: 2.5rem;
}

.section-title h2 {
  margin: 0 0 0.75rem;
  color: var(--text-dark);
  font-size: 1.75rem;
  font-weight: 700;
}

.section-title p {
  max-width: 720px;
  margin: 0 auto;
}

.title-line {
  width: 50px;
  height: 3px;
  background: var(--blue);
  margin: 0.75rem auto 1rem;
}

.welcome-img {
  max-width: 680px;
  margin: 2rem auto 0;
  border: 6px solid var(--white);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

/* Icon circles */
.icon-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: center;
}

.icon-circle {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--white);
}

.icon-circle.yellow {
  background: var(--yellow);
}
.icon-circle.orange {
  background: var(--orange);
}
.icon-circle.green {
  background: var(--green);
}

.icon-grid h3 {
  margin: 0 0 0.5rem;
  color: var(--text-dark);
  font-size: 1.05rem;
}

/* Deal cards */
.deals-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
}

.deal-card {
  background: var(--white);
  border: 1px solid var(--gray-border);
  transition: box-shadow 0.2s;
}

.deal-card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.deal-card img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.deal-card .body {
  padding: 0.85rem;
}

.deal-card h4 {
  margin: 0 0 0.35rem;
  font-size: 0.85rem;
  color: var(--text-dark);
}

.deal-card .price {
  color: var(--green);
  font-weight: 700;
  font-size: 0.95rem;
}

.deal-meta {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.5rem;
  font-size: 0.7rem;
  color: #888;
}

/* CTA banner */
.cta-banner {
  background: var(--blue);
  color: var(--white);
  padding: 1.25rem 0;
}

.cta-banner .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.cta-banner h3 {
  margin: 0;
  font-size: 1.25rem;
}

.btn-outline-light {
  border: 2px solid var(--white);
  color: var(--white);
  padding: 0.55rem 1.25rem;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.8rem;
  display: inline-block;
}

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

/* Blog grid */
.blog-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1.25rem;
}

.blog-feature {
  background: var(--white);
  border: 1px solid var(--gray-border);
}

.blog-feature img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

.blog-feature .content,
.blog-small .content {
  padding: 1.25rem;
}

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

.blog-item {
  background: var(--white);
  border: 1px solid var(--gray-border);
  display: flex;
  flex-direction: column;
}

.blog-item img {
  width: 100%;
  height: 120px;
  object-fit: cover;
}

.read-more {
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
}

.meta {
  font-size: 0.8rem;
  color: #999;
  margin-bottom: 0.5rem;
}

/* Page banner */
.page-banner {
  background: var(--charcoal) center/cover no-repeat;
  padding: 4.5rem 0;
  text-align: center;
  color: var(--white);
  position: relative;
}

.page-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(40, 40, 40, 0.72);
}

.page-banner .container {
  position: relative;
  z-index: 1;
}

.page-banner h1 {
  margin: 0 0 0.5rem;
  font-size: 2rem;
}

.breadcrumb {
  font-size: 0.85rem;
  opacity: 0.9;
}

.breadcrumb a {
  color: var(--blue);
}

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

.service-card {
  background: var(--white);
  border: 1px solid var(--gray-border);
  overflow: hidden;
}

.service-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.service-card .body {
  padding: 1.25rem;
}

.service-card h3 {
  margin: 0 0 0.5rem;
  color: var(--text-dark);
}

/* Team */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.team-member {
  text-align: center;
  background: var(--white);
  border: 1px solid var(--gray-border);
  padding-bottom: 1rem;
}

.team-member img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.team-member h4 {
  margin: 1rem 0 0.25rem;
  color: var(--text-dark);
}

.team-member span {
  color: var(--blue);
  font-size: 0.85rem;
  font-weight: 600;
}

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: stretch;
}

.price-box {
  background: var(--white);
  border: 1px solid var(--gray-border);
  text-align: center;
  padding: 2rem 1.5rem;
  position: relative;
}

.price-box.featured {
  border-color: var(--blue);
  box-shadow: 0 12px 40px rgba(0, 174, 239, 0.2);
  transform: scale(1.03);
}

.price-box h3 {
  margin: 0 0 0.5rem;
  color: var(--text-dark);
}

.price-box .amount {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--blue);
  margin: 1rem 0;
}

.price-box ul {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
  text-align: left;
}

.price-box li {
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--gray-border);
  font-size: 0.9rem;
}

.price-box li::before {
  content: "✓ ";
  color: var(--green);
  font-weight: 700;
}

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

.testimonial {
  background: var(--white);
  border: 1px solid var(--gray-border);
  padding: 1.5rem;
  position: relative;
}

.testimonial::before {
  content: "\201C";
  font-size: 3rem;
  color: var(--blue);
  line-height: 1;
  opacity: 0.4;
}

.testimonial .author {
  margin-top: 1rem;
  font-weight: 700;
  color: var(--text-dark);
}

.stars {
  color: var(--yellow);
  letter-spacing: 2px;
}

/* Contact / forms */
.form-panel {
  background: var(--white);
  border: 1px solid var(--gray-border);
  padding: 2rem;
  max-width: 640px;
  margin: 0 auto;
}

.form-row {
  margin-bottom: 1rem;
}

.form-row label {
  display: block;
  margin-bottom: 0.35rem;
  font-weight: 600;
  color: var(--text-dark);
  font-size: 0.9rem;
}

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--gray-border);
  font-family: inherit;
  font-size: 0.95rem;
}

.form-row textarea {
  min-height: 120px;
  resize: vertical;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 2px rgba(0, 174, 239, 0.2);
}

.form-row.is-invalid input,
.form-row.is-invalid select,
.form-row.is-invalid textarea,
input.is-invalid,
select.is-invalid,
textarea.is-invalid {
  border-color: #e74c3c;
}

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  margin-bottom: 1rem;
}

.checkbox-row input[type="checkbox"] {
  width: 18px;
  height: 18px;
  min-width: 18px;
  margin-top: 0.2rem;
  accent-color: var(--blue);
  flex-shrink: 0;
}

.checkbox-row input[type="checkbox"].is-invalid {
  outline: 2px solid #e74c3c;
  outline-offset: 2px;
}

.checkbox-row label {
  margin: 0;
  font-weight: 500;
  line-height: 1.5;
}

.field-error {
  display: block;
  color: #e74c3c;
  font-size: 0.8rem;
  margin-top: 0.25rem;
  min-height: 1em;
}

.form-success {
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
  padding: 1rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.btn-primary {
  background: var(--blue);
  color: var(--white);
  border: none;
  padding: 0.75rem 1.5rem;
  font-weight: 700;
  text-transform: uppercase;
  cursor: pointer;
  font-size: 0.85rem;
}

.btn-primary:hover {
  background: var(--blue-dark);
}

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

.content-prose {
  max-width: 900px;
  margin: 0 auto;
}

.content-prose h2 {
  color: var(--text-dark);
  margin-top: 2rem;
}

.content-prose h3 {
  color: var(--text-dark);
}

/* Social bar */
.social-bar {
  background: var(--blue);
  padding: 0.65rem 0;
}

.social-bar .container {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.social-bar a {
  color: var(--white);
  font-size: 1.1rem;
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}

.social-bar a:hover {
  background: rgba(255, 255, 255, 0.3);
  color: var(--white);
}

.social-bar span {
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 600;
}

/* Footer */
.site-footer {
  background: var(--charcoal);
  color: #bbb;
  padding: 3rem 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 2rem;
}

.site-footer h4 {
  color: var(--white);
  margin: 0 0 1rem;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.site-footer ul li {
  margin-bottom: 0.45rem;
}

.site-footer a {
  color: #bbb;
}

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

.footer-about p {
  font-size: 0.9rem;
}

.footer-email {
  margin-top: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--blue);
  font-weight: 600;
}

.footer-form input,
.footer-form textarea {
  width: 100%;
  padding: 0.55rem 0.65rem;
  margin-bottom: 0.65rem;
  background: #333;
  border: 1px solid #444;
  color: var(--white);
  font-family: inherit;
}

.footer-form textarea {
  min-height: 80px;
  resize: vertical;
}

.footer-form .btn-primary {
  width: 100%;
}

.footer-post {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
  align-items: flex-start;
}

.footer-post img {
  width: 64px;
  height: 48px;
  object-fit: cover;
  flex-shrink: 0;
}

.footer-post a {
  font-size: 0.85rem;
  line-height: 1.35;
}

.footer-bottom {
  background: var(--charcoal-deep);
  text-align: center;
  padding: 1rem;
  margin-top: 2.5rem;
  font-size: 0.8rem;
  color: #888;
}

.footer-legal {
  margin-top: 0.5rem;
  font-size: 0.78rem;
}

.footer-legal a {
  margin: 0 0.5rem;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  text-align: center;
  margin: 2rem 0;
}

.stat-box {
  background: var(--white);
  border: 1px solid var(--gray-border);
  padding: 1.5rem;
}

.stat-box strong {
  display: block;
  font-size: 2rem;
  color: var(--blue);
}

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

.project-item {
  position: relative;
  overflow: hidden;
}

.project-item img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform 0.3s;
}

.project-item:hover img {
  transform: scale(1.05);
}

.project-item .caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 174, 239, 0.9);
  color: var(--white);
  padding: 0.5rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
}

@media (max-width: 992px) {
  .deals-row {
    grid-template-columns: repeat(3, 1fr);
  }
  .blog-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .team-grid,
  .project-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-filter .filter-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-border);
    padding: 1rem;
  }

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

  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
  }

  .header-cta {
    display: none;
  }

  .icon-grid,
  .card-grid-3,
  .pricing-grid,
  .testimonial-grid,
  .stats-row {
    grid-template-columns: 1fr;
  }

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

  .blog-small {
    grid-template-columns: 1fr;
  }

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

  .two-col {
    grid-template-columns: 1fr;
  }

  .hero-overlay-box {
    position: relative;
    left: auto;
    top: auto;
    max-width: none;
    margin: 1rem;
  }

  .hero {
    flex-direction: column;
    min-height: auto;
    padding-bottom: 0;
  }

  .hero-filter {
    position: relative;
  }

  .price-box.featured {
    transform: none;
  }
}