/* =========================================================
   MobilusRatas — style.css
   Modernus, premium klasės, šviesus dizainas.
   Turinys:
   1. CSS kintamieji (custom properties)
   2. Reset / bazinis stilius
   3. Bendri elementai (container, buttons, tipografija)
   4. Header / navigacija / burger meniu
   5. Hero sekcija
   6. Paslaugų kortelės
   7. Kaip dirbame (žingsniai)
   8. Kodėl mes
   9. Statistika
   10. Atsiliepimai (sliderius)
   11. DUK (accordion)
   12. Kontaktai / forma
   13. Footer
   14. Back to top
   15. Scroll reveal animacijos
   16. Media queries (responsive)
   17. Accessibility / focus / reduced motion
   ========================================================= */

/* ============ 1. CSS KINTAMIEJI ============ */
:root {
  /* Spalvų paletė */
  --color-white: #FFFFFF;
  --color-light-gray: #F5F7FA;
  --color-navy: #0F172A;
  --color-blue: #2563EB;
  --color-blue-dark: #1D4ED8;
  --color-green: #22C55E;
  --color-green-dark: #16A34A;
  --color-text-muted: #55617A;
  --color-border: #E4E9F1;

  /* Šriftai */
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Tarpai */
  --container-width: 1200px;
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;

  /* Šešėliai */
  --shadow-sm: 0 2px 10px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.14);

  /* Animacijos */
  --transition-fast: 0.2s ease;
  --transition-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============ 2. RESET / BAZINIS STILIUS ============ */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  font-family: var(--font-main);
  color: var(--color-navy);
  background-color: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

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

h1, h2, h3, h4 {
  line-height: 1.2;
  margin: 0 0 0.5em 0;
  font-weight: 700;
  color: var(--color-navy);
}

p {
  margin: 0 0 1em 0;
}

button {
  font-family: inherit;
  cursor: pointer;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-navy);
  color: var(--color-white);
  padding: 12px 20px;
  border-radius: 0 0 10px 0;
  z-index: 1000;
}
.skip-link:focus {
  left: 0;
}

/* ============ 3. BENDRI ELEMENTAI ============ */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section-eyebrow {
  color: var(--color-blue);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
  margin-bottom: 12px;
  text-align: center;
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  text-align: center;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.section-lead {
  text-align: center;
  max-width: 680px;
  margin: 16px auto 56px auto;
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

/* Mygtukai */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  border: 2px solid transparent;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
}

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

.btn:focus-visible {
  outline: 3px solid var(--color-blue);
  outline-offset: 2px;
}

.btn-primary {
  background-color: var(--color-green);
  color: var(--color-white);
  box-shadow: 0 8px 20px rgba(34, 197, 94, 0.3);
}
.btn-primary:hover {
  background-color: var(--color-green-dark);
  box-shadow: 0 12px 28px rgba(34, 197, 94, 0.38);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-navy);
  border-color: var(--color-navy);
}
.btn-outline:hover {
  background-color: var(--color-navy);
  color: var(--color-white);
}

.btn-lg {
  padding: 18px 34px;
  font-size: 1.05rem;
}

.btn-cta-header {
  padding: 12px 22px;
  font-size: 0.92rem;
}

.btn-cta-form {
  background-color: var(--color-blue);
  color: var(--color-white);
  width: 100%;
  padding: 16px;
  border-radius: var(--radius-sm);
  font-size: 1.05rem;
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.28);
}
.btn-cta-form:hover {
  background-color: var(--color-blue-dark);
  transform: translateY(-2px);
}

/* Kortelių tinklelis (bendras) */
.cards-grid {
  display: grid;
  gap: 28px;
}

/* ============ 4. HEADER / NAV / BURGER ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: box-shadow var(--transition-base), border-color var(--transition-base), background-color var(--transition-base);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
  border-bottom-color: var(--color-border);
  background-color: rgba(255, 255, 255, 0.96);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}

.logo img {
  height: 40px;
  width: auto;
}

.main-nav .nav-list {
  display: flex;
  gap: 30px;
}

.nav-link {
  position: relative;
  font-weight: 500;
  font-size: 0.96rem;
  padding: 6px 2px;
  color: var(--color-navy);
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background-color: var(--color-blue);
  transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--color-blue);
}

.nav-link:hover::after,
.nav-link:focus-visible::after,
.nav-link.active-link::after {
  width: 100%;
}

.nav-link.active-link {
  color: var(--color-blue);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  padding: 8px;
  border-radius: 8px;
}

.burger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-navy);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.burger:focus-visible {
  outline: 3px solid var(--color-blue);
  outline-offset: 2px;
}

.burger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.burger.open span:nth-child(2) {
  opacity: 0;
}
.burger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============ 5. HERO ============ */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(15, 23, 42, 0.82) 0%, rgba(15, 23, 42, 0.55) 55%, rgba(15, 23, 42, 0.25) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  color: var(--color-white);
  max-width: 720px;
  padding-top: 60px;
  padding-bottom: 60px;
}

.eyebrow {
  color: #93C5FD;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
  margin-bottom: 16px;
}

.hero h1 {
  color: var(--color-white);
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  margin-bottom: 20px;
}

.hero-text {
  font-size: 1.15rem;
  color: #E2E8F0;
  max-width: 600px;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.hero .btn-outline {
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.6);
}
.hero .btn-outline:hover {
  background-color: var(--color-white);
  color: var(--color-navy);
}

.hero-badges {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-white);
}

/* ============ 6. PASLAUGŲ KORTELĖS ============ */
.services {
  background-color: var(--color-light-gray);
}

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

.card {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  padding: 34px 26px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  border: 1px solid var(--color-border);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.card-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background-color: #EAF1FF;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: background-color var(--transition-base), transform var(--transition-base);
}

.card:hover .card-icon {
  background-color: var(--color-blue);
  transform: rotate(-6deg) scale(1.05);
}

.card:hover .card-icon img {
  filter: brightness(0) invert(1);
}

.card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.card p {
  color: var(--color-text-muted);
  font-size: 0.96rem;
  margin-bottom: 0;
}

/* ============ 7. KAIP DIRBAME ============ */
.steps-grid {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.step {
  flex: 1 1 220px;
  max-width: 240px;
  text-align: center;
  padding: 10px;
}

.step-number {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: var(--color-navy);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0 auto 20px auto;
  box-shadow: var(--shadow-md);
  transition: background-color var(--transition-base), transform var(--transition-base);
}

.step:hover .step-number {
  background-color: var(--color-blue);
  transform: scale(1.08);
}

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

.step p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.step-arrow {
  align-self: center;
  font-size: 1.6rem;
  color: var(--color-blue);
  margin-top: 20px;
}

/* ============ 8. KODĖL MES ============ */
.why-grid {
  grid-template-columns: repeat(4, 1fr);
}

.why-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background-color: var(--color-light-gray);
  border-radius: var(--radius-sm);
  padding: 20px 22px;
  font-weight: 600;
  transition: background-color var(--transition-base), transform var(--transition-base);
}

.why-item:hover {
  background-color: #EAF1FF;
  transform: translateY(-4px);
}

.why-item img {
  flex-shrink: 0;
}

/* ============ 9. STATISTIKA ============ */
.stats {
  background-color: var(--color-navy);
  padding: 80px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}

.stat-number {
  display: block;
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 800;
  color: var(--color-white);
  background: linear-gradient(90deg, #60A5FA, #22C55E);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat-item p {
  color: #CBD5E1;
  font-weight: 500;
  margin-top: 6px;
  margin-bottom: 0;
}

/* ============ 10. ATSILIEPIMAI ============ */
.testimonial-slider {
  position: relative;
  max-width: 780px;
  margin: 0 auto;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.testimonial-track {
  display: flex;
  transition: transform var(--transition-base);
}

.testimonial-card {
  flex: 0 0 100%;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 40px;
  box-shadow: var(--shadow-sm);
  text-align: center;
}

.stars {
  color: var(--color-green);
  font-size: 1.2rem;
  letter-spacing: 3px;
  margin-bottom: 16px;
}

.testimonial-card p {
  font-size: 1.05rem;
  color: var(--color-navy);
  font-style: italic;
}

.testimonial-name {
  font-weight: 700;
  font-style: normal !important;
  color: var(--color-blue);
  margin-top: 12px;
}

.slider-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}

.slider-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background-color: var(--color-white);
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.slider-btn:hover {
  background-color: var(--color-blue);
  color: var(--color-white);
  transform: scale(1.06);
}

.slider-dots {
  display: flex;
  gap: 8px;
}

.slider-dots button {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background-color: var(--color-border);
  padding: 0;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.slider-dots button.active-dot {
  background-color: var(--color-blue);
  transform: scale(1.25);
}

/* ============ 11. DUK ============ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 4px;
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0;
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--color-blue);
}

.faq-question:focus-visible {
  outline: 3px solid var(--color-blue);
  outline-offset: 3px;
  border-radius: 6px;
}

.faq-icon {
  flex-shrink: 0;
  font-size: 1.3rem;
  color: var(--color-blue);
  transition: transform var(--transition-base);
}

.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base), padding var(--transition-base);
}

.faq-answer p {
  color: var(--color-text-muted);
  padding-bottom: 22px;
  margin: 0;
}

.faq-item.open .faq-answer {
  max-height: 300px;
}

/* ============ 12. KONTAKTAI / FORMA ============ */
.contact {
  background-color: var(--color-light-gray);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: stretch;
}

.contact-list {
  margin-bottom: 30px;
}

.contact-list li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
}

.contact-list a {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-blue);
  transition: color var(--transition-fast);
}

.contact-list a:hover {
  color: var(--color-blue-dark);
  text-decoration: underline;
}

.contact-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  font-weight: 600;
}

.contact-call-btn {
  margin-bottom: 0;
}

.map-wrap {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  height: 420px;
}

.map-wrap iframe {
  width: 100%;
  height: 100%;
  display: block;
}

/* ============ 13. FOOTER ============ */
.site-footer {
  background-color: var(--color-navy);
  color: #CBD5E1;
  padding-top: 70px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand img {
  filter: brightness(0) invert(1);
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.92rem;
  max-width: 320px;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 26px;
  align-content: flex-start;
}

.footer-nav a {
  font-size: 0.92rem;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  padding: 26px 24px;
  text-align: center;
  font-size: 0.85rem;
}

/* ============ 14. BACK TO TOP ============ */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--color-blue);
  color: var(--color-white);
  border: none;
  font-size: 1.3rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition-base), transform var(--transition-base), background-color var(--transition-fast), visibility var(--transition-base);
  z-index: 400;
}

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

.back-to-top:hover {
  background-color: var(--color-blue-dark);
}

.back-to-top:focus-visible {
  outline: 3px solid var(--color-navy);
  outline-offset: 3px;
}

/* ============ 15. SCROLL REVEAL ============ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============ 16. RESPONSIVE ============ */
@media (max-width: 1199px) {
  .services-grid,
  .why-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 991px) {
  .section {
    padding: 70px 0;
  }

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 40px;
  }

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

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

@media (max-width: 860px) {
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    width: 100%;
    max-height: 0;
    overflow: hidden;
    background-color: var(--color-white);
    box-shadow: var(--shadow-lg);
    transition: max-height var(--transition-base);
    z-index: 400;
  }

  .main-nav.open {
    max-height: 480px;
  }

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

  .main-nav .nav-list li {
    border-bottom: 1px solid var(--color-border);
  }

  .main-nav .nav-list li:last-child {
    border-bottom: none;
  }

  .main-nav .nav-link {
    display: block;
    padding: 16px 4px;
  }

  .main-nav .nav-link::after {
    display: none;
  }

  .burger {
    display: flex;
  }

  .btn-cta-header {
    display: none;
  }

  .steps-grid {
    flex-direction: column;
    align-items: center;
  }

  .step-arrow {
    transform: rotate(90deg);
    margin: 0;
  }
}

@media (max-width: 640px) {
  .section-title {
    font-size: 1.6rem;
  }

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

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

  .hero {
    min-height: 100vh;
    text-align: left;
  }

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

  .hero-actions .btn {
    width: 100%;
  }

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

  .map-wrap {
    height: 320px;
  }
}

/* ============ 17. ACCESSIBILITY ============ */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--color-blue);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}