/* ---------- Custom properties ---------- */
:root {
  --color-blue-bg: #eff6ff;
  --color-blue-bg-soft: #f5f9ff;
  --color-white: #ffffff;
  --color-orange: #f96332;
  --color-orange-dark: #e04f20;
  --color-accent-blue: #0037cb;
  --color-brand-blue: #2f5fd6;
  --color-heading: #4a5b78;
  --color-body: #57678a;
  --color-footer-link: #57657f;
  --gradient-blue-start: #4a8fe0;
  --gradient-blue-end: #2f6fdc;
  --container-width: 1200px;
  --radius: 10px;
  --shadow-card: 0 15px 35px rgba(47, 95, 214, 0.08);
  --font-body: 'Nunito Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

/* ---------- Reset ---------- */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

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

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

h1, h2, h3, h4 {
  color: var(--color-heading);
  font-weight: 800;
  margin: 0 0 16px;
  line-height: 1.25;
}

p {
  margin: 0 0 16px;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 28px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--color-orange);
  color: var(--color-white);
  box-shadow: 0 10px 20px rgba(249, 99, 50, 0.28);
}

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

.btn-outline {
  background: transparent;
  color: var(--color-heading);
  border-color: #cfd9ec;
}

.btn-outline:hover {
  border-color: var(--color-heading);
}

.btn-sm {
  padding: 9px 20px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 16px 40px;
  font-size: 1.05rem;
}

.section-title {
  text-align: center;
  font-size: 1.9rem;
}

.section-sub {
  text-align: center;
  max-width: 520px;
  margin: -6px auto 40px;
}

.accent {
  color: var(--color-orange);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid #eef1f7;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-text {
  font-size: 1.15rem;
  color: var(--color-heading);
  font-weight: 600;
}

.logo-text strong {
  font-weight: 800;
}

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

.main-nav a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-heading);
  padding: 8px 0;
  position: relative;
}

.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--color-orange);
  transform: scaleX(0);
  transition: transform 0.2s ease;
}

.main-nav a:hover::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.social-links {
  display: flex;
  align-items: center;
  gap: 14px;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-heading);
  opacity: 0.75;
  transition: opacity 0.15s ease, color 0.15s ease;
}

.social-links a:hover {
  opacity: 1;
  color: var(--color-orange);
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-heading);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.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);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--color-blue-bg);
  overflow: hidden;
  padding-top: 56px;
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 40px;
  align-items: center;
  padding-bottom: 60px;
}

.hero-copy {
  text-align: center;
  max-width: 560px;
}

.hero-copy h1 {
  font-size: 2.1rem;
  letter-spacing: -0.5px;
}

.hero-sub {
  font-size: 1.05rem;
  margin-bottom: 28px;
}

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

.hero-media {
  width: 100%;
  max-width: 560px;
}

.hero-waves {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  line-height: 0;
  z-index: 1;
}

.hero-waves svg {
  width: 100%;
  height: 90px;
  display: block;
}

/* ---------- Showcase ---------- */
.showcase {
  padding: 70px 0;
  text-align: center;
}

.showcase-media {
  margin-top: 10px;
}

/* ---------- Features (under showcase) ---------- */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  margin-top: 56px;
  text-align: center;
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-blue-bg);
  color: var(--color-accent-blue);
  margin-bottom: 18px;
}

.feature-card h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.92rem;
  margin-bottom: 0;
}

/* ---------- Solutions ---------- */
.solutions {
  background: var(--color-blue-bg);
  padding: 70px 0;
}

.solutions-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin: 0 auto 44px;
}

.solution-card {
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 32px 20px;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.solution-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(47, 95, 214, 0.14);
}

.solution-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-blue-bg);
  color: var(--color-brand-blue);
  margin: 0 auto 18px;
}

.solution-card h3 {
  margin: 0;
  font-size: 1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent-blue);
}

.solutions-cta {
  text-align: center;
}

/* ---------- About ---------- */
.about {
  padding: 70px 0;
}

.about-grid {
  display: flex;
  flex-direction: column;
  gap: 40px;
  align-items: center;
}

.about-copy {
  text-align: center;
}

.about-copy h2 {
  color: var(--color-orange);
  font-size: 1.9rem;
}

.about-media {
  width: 100%;
  max-width: 480px;
}

/* ---------- Pricing ---------- */
.pricing {
  background: var(--color-blue-bg);
  padding: 70px 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  max-width: 420px;
  margin: 0 auto;
}

.pricing-card {
  position: relative;
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 36px 28px;
  text-align: center;
}

.pricing-card.featured {
  border: 2px solid var(--color-brand-blue);
  box-shadow: 0 25px 45px rgba(47, 95, 214, 0.18);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-brand-blue);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 5px 16px;
  border-radius: 999px;
  letter-spacing: 0.03em;
}

.pricing-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.pricing-card .price {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-accent-blue);
  margin-bottom: 22px;
}

.pricing-card .price span {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-body);
}

.pricing-card ul {
  text-align: left;
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pricing-card ul li {
  position: relative;
  padding-left: 26px;
  font-size: 0.92rem;
}

.pricing-card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 14px;
  height: 8px;
  border-left: 2px solid var(--color-brand-blue);
  border-bottom: 2px solid var(--color-brand-blue);
  transform: rotate(-45deg);
}

.pricing-card .btn {
  width: 100%;
}

/* ---------- Quote / CTA ---------- */
.quote {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, var(--gradient-blue-start), var(--gradient-blue-end));
  padding: 64px 0;
}

.quote-waves {
  position: absolute;
  inset: 0;
  z-index: 0;
  line-height: 0;
}

.quote-waves svg {
  width: 100%;
  height: 100%;
}

.quote-grid {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 40px;
  align-items: center;
}

.quote-media {
  position: relative;
  width: 100%;
  max-width: 460px;
}

.quote-copy {
  color: var(--color-white);
  text-align: center;
  max-width: 520px;
}

.quote-text {
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1.3;
  color: var(--color-white);
  margin-bottom: 8px;
}

.quote-mark {
  color: rgba(255, 255, 255, 0.45);
  font-size: 2.2rem;
  font-weight: 900;
  margin-right: 4px;
}

.quote-author {
  font-weight: 700;
  margin-bottom: 20px;
}

.quote-body {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 28px;
}

.quote-copy .btn-primary {
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.18);
}

/* ---------- Contact ---------- */
.contact {
  padding: 70px 0;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-heading);
}

.form-group input,
.form-group textarea {
  padding: 12px 14px;
  border: 1px solid #dbe3f0;
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.92rem;
  background: var(--color-blue-bg-soft);
  color: var(--color-heading);
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: 2px solid var(--color-brand-blue);
  outline-offset: 1px;
}

.contact-form .btn {
  align-self: flex-start;
}

.form-status {
  margin: 0;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-accent-blue);
  min-height: 1em;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-white);
}

.footer-main {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  text-align: center;
  padding: 56px 24px 40px;
}

.footer-tagline {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  margin: 0;
}

.az-icon {
  flex-shrink: 0;
  color: var(--color-brand-blue);
}

.footer-links-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
  margin-top: 8px;
}

.footer-links-row a,
.footer-link-static {
  color: var(--color-footer-link);
  font-size: 0.92rem;
  transition: color 0.15s ease;
}

.footer-links-row a:hover {
  color: var(--color-orange);
}

.footer-link-static {
  cursor: default;
}

.footer-bottom {
  border-top: 1px solid #eef1f7;
}

.footer-bottom-inner {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
  text-align: center;
  padding: 22px 24px;
  font-size: 0.85rem;
  color: var(--color-footer-link);
}

.footer-bottom-inner p {
  margin: 0;
}

/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--color-orange);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 20px rgba(249, 99, 50, 0.35);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
  z-index: 90;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* =====================================================
   Tablet and up
===================================================== */
@media (min-width: 768px) {
  .hero-copy h1 {
    font-size: 2.6rem;
  }

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

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .quote-grid {
    text-align: left;
  }

  .quote-copy {
    text-align: left;
  }

  .about-copy {
    text-align: left;
  }

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

/* =====================================================
   Desktop and up
===================================================== */
@media (min-width: 992px) {
  .main-nav {
    display: block;
  }

  .nav-toggle {
    display: none;
  }

  .hero-grid {
    flex-direction: row;
    text-align: left;
    padding-top: 20px;
    padding-bottom: 110px;
  }

  .hero-copy {
    text-align: left;
    max-width: 480px;
  }

  .hero-actions {
    justify-content: flex-start;
  }

  .hero-media {
    max-width: 620px;
  }

  .hero-copy h1 {
    font-size: 3rem;
  }

  .section-title {
    font-size: 2.2rem;
  }

  .quote-grid {
    flex-direction: row;
    align-items: center;
    gap: 60px;
  }

  .quote-media {
    max-width: 42%;
  }

  .quote-copy {
    max-width: none;
    flex: 1;
  }

  .quote-text {
    font-size: 2rem;
  }

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

  .about-grid {
    flex-direction: row;
    align-items: center;
    gap: 70px;
  }

  .about-copy {
    flex: 1;
  }

  .about-media {
    max-width: 46%;
  }

  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
    max-width: none;
    align-items: center;
  }

  .pricing-card.featured {
    transform: scale(1.05);
  }
}

/* =====================================================
   Mobile nav (below desktop breakpoint)
===================================================== */
@media (max-width: 991.98px) {
  .main-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-white);
    border-bottom: 1px solid #eef1f7;
    box-shadow: 0 20px 30px rgba(20, 40, 90, 0.08);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .main-nav.open {
    max-height: 320px;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 8px 24px 20px;
  }

  .main-nav li {
    border-bottom: 1px solid #f2f4f9;
  }

  .main-nav a {
    display: block;
    padding: 14px 0;
  }

  .header-actions .social-links {
    display: none;
  }

  .header-actions .btn-sm {
    display: none;
  }
}

@media (min-width: 992px) {
  .header-actions .social-links {
    display: flex;
  }

  .header-actions .btn-sm {
    display: inline-flex;
  }
}