/* ============================================================
   Аренда-Профи — Custom Styles
   Landing page for rental apartment agency in Saint Petersburg
   ============================================================ */

/* ======================== RESET & BASE ======================== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

/* Remove default focus outline, add custom */
:focus-visible {
  outline: 2px solid #C8A96E;
  outline-offset: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}

/* Selection styling */
::selection {
  background-color: rgba(200, 169, 110, 0.3);
  color: #1B3A5C;
}

/* ======================== SKIP LINK ======================== */
.skip-link {
  z-index: 9999;
}

/* ======================== HERO SECTION ======================== */
.hero-bg-img {
  object-fit: cover;
  object-position: center 30%;
}

/* ======================== STICKY NAVIGATION ======================== */
.nav {
  /* Initial transparent state */
  background-color: transparent;
}

/* Scrolled state — JS adds .nav--scrolled class */
.nav--scrolled {
  background-color: rgba(27, 58, 92, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

.nav--scrolled .nav-inner {
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

/* ======================== MOBILE MENU ======================== */
.mobile-menu {
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-menu.is-open {
  opacity: 1;
  pointer-events: auto;
}

/* Burger animation on open */
.burger-line {
  transition: all 0.3s ease;
}

.burger-is-open .burger-line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.burger-is-open .burger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.burger-is-open .burger-line:nth-child(3) {
  width: 1.5rem;
  transform: translateY(-4px) rotate(-45deg);
  margin-left: 0;
}

/* ======================== BUTTONS ======================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: #C8A96E;
  color: #1A1A2E;
  font-weight: 600;
  padding: 0.875rem 2rem;
  border-radius: 0.5rem;
  font-size: 1rem;
  line-height: 1.5;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  cursor: pointer;
}

.btn-primary:hover {
  background-color: #E8D5A3;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(200, 169, 110, 0.35);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 4px 15px rgba(200, 169, 110, 0.2);
}

.btn-primary:focus-visible {
  outline: 2px solid #C8A96E;
  outline-offset: 3px;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: transparent;
  color: #C8A96E;
  font-weight: 600;
  padding: 0.875rem 2rem;
  border-radius: 0.5rem;
  font-size: 1rem;
  line-height: 1.5;
  transition: all 0.3s ease;
  border: 2px solid #C8A96E;
  cursor: pointer;
}

.btn-secondary:hover {
  background-color: #C8A96E;
  color: #1A1A2E;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(200, 169, 110, 0.35);
}

.btn-secondary:active {
  transform: translateY(0);
}

.btn-micro {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  color: #C8A96E;
  font-weight: 500;
  font-size: 0.875rem;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: all 0.2s ease;
  cursor: pointer;
  padding: 0;
  background: none;
}

.btn-micro:hover {
  border-bottom-color: #C8A96E;
}

/* ======================== CARDS ======================== */
.card {
  background-color: #FFFFFF;
  border-radius: 1rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  padding: 1.75rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.card-accented {
  background-color: #FFFFFF;
  border-radius: 1rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  padding: 1.75rem;
  border-top: 3px solid #C8A96E;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-accented:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.card-pain {
  background-color: #FFFFFF;
  border-radius: 1rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  padding: 1.75rem;
  border-left: 4px solid #E8493F;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-pain:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

/* Card icon container */
.card-icon {
  width: 56px;
  height: 56px;
  border-radius: 0.75rem;
  background: linear-gradient(135deg, #C8A96E, #E8D5A3);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.card-icon svg {
  width: 28px;
  height: 28px;
  color: #1A1A2E;
}

/* ======================== SCROLL REVEAL ANIMATION ======================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Stagger delays for child elements */
.reveal-delay-1 {
  transition-delay: 0.1s;
}

.reveal-delay-2 {
  transition-delay: 0.2s;
}

.reveal-delay-3 {
  transition-delay: 0.3s;
}

.reveal-delay-4 {
  transition-delay: 0.4s;
}

.reveal-delay-5 {
  transition-delay: 0.5s;
}

.reveal-delay-6 {
  transition-delay: 0.6s;
}

/* ======================== HERO ANIMATIONS ======================== */
.hero-element {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.7s ease forwards;
}

.hero-element:nth-child(1) {
  animation-delay: 0.1s;
}

.hero-element:nth-child(2) {
  animation-delay: 0.25s;
}

.hero-element:nth-child(3) {
  animation-delay: 0.4s;
}

.hero-element:nth-child(4) {
  animation-delay: 0.55s;
}

.hero-element:nth-child(5) {
  animation-delay: 0.7s;
}

.hero-element:nth-child(6) {
  animation-delay: 0.85s;
}

@keyframes fadeInUp {
  0% {
    opacity: 0;
    transform: translateY(30px);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Gold shimmer on hero CTA */
@keyframes shimmer {
  0%,
  100% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }
}

.cta-hero-btn {
  background-size: 200% 200%;
  background-image: linear-gradient(135deg, #C8A96E, #E8D5A3, #C8A96E);
  animation: shimmer 3s ease infinite;
}

/* ======================== COUNT-UP ANIMATION ======================== */
.count-up {
  font-variant-numeric: tabular-nums;
}

/* ======================== FAQ ACCORDION ======================== */
.faq-item {
  border-radius: 0.75rem;
  overflow: hidden;
  transition: box-shadow 0.3s ease;
}

.faq-item:hover {
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.faq-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.2s ease;
}

.faq-header:hover {
  background-color: rgba(200, 169, 110, 0.05);
}

.faq-chevron {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  color: #C8A96E;
  transition: transform 0.3s ease;
}

.faq-item.is-open .faq-chevron {
  transform: rotate(180deg);
}

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}

.faq-item.is-open .faq-body {
  max-height: 500px;
  padding: 0 1.5rem 1.25rem 1.5rem;
}

/* ======================== FORM STYLES ======================== */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: #2D2D2D;
}

.form-input,
.form-select {
  width: 100%;
  padding: 0.875rem 1rem;
  font-size: 1rem;
  font-family: 'Inter', system-ui, sans-serif;
  color: #2D2D2D;
  background-color: #FFFFFF;
  border: 1.5px solid #E5E7EB;
  border-radius: 0.5rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  appearance: none;
  -webkit-appearance: none;
}

.form-input::placeholder {
  color: #9CA3AF;
}

.form-input:focus,
.form-select:focus {
  border-color: #C8A96E;
  box-shadow: 0 0 0 3px rgba(200, 169, 110, 0.15);
  outline: none;
}

.form-input.is-error {
  border-color: #DC2626;
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.form-error {
  font-size: 0.8125rem;
  color: #DC2626;
  min-height: 1.25rem;
}

/* Select custom arrow */
.form-select-wrapper {
  position: relative;
}

.form-select-wrapper::after {
  content: '';
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 5px solid #6B7280;
  pointer-events: none;
}

/* Honeypot anti-spam */
.hp-input {
  position: absolute;
  left: -9999px;
  top: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
  tabindex: -1;
  z-index: -1;
}

/* ======================== SECTION DECORATIONS ======================== */
.section-light {
  background-color: #F5F3EE;
}

.section-dark {
  background-color: #1A1A2E;
}

.section-primary {
  background-color: #1B3A5C;
}

/* Decorative gradient orbs */
.decor-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

/* ======================== GOLD DIVIDER ======================== */
.gold-divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, #C8A96E, #E8D5A3);
  border-radius: 2px;
}

/* ======================== TESTIMONIALS ======================== */
.testimonial-card {
  background-color: #FFFFFF;
  border-radius: 1rem;
  padding: 2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.testimonial-card::before {
  content: '\201C';
  position: absolute;
  top: 1rem;
  left: 1.5rem;
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 4rem;
  line-height: 1;
  color: #C8A96E;
  opacity: 0.3;
}

.testimonial-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid #C8A96E;
}

/* Star rating */
.stars {
  display: flex;
  gap: 0.25rem;
}

.stars svg {
  width: 18px;
  height: 18px;
  color: #C8A96E;
  fill: #C8A96E;
}

/* ======================== GALLERY ======================== */
.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 0.75rem;
  cursor: pointer;
  background-color: #1A1A2E;
}

.gallery-item img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.5s ease;
}

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

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26, 26, 46, 0.7) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s ease;
  display: flex;
  align-items: flex-end;
  padding: 1rem;
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

/* ======================== CALCULATOR ======================== */
.calc-result {
  background: linear-gradient(135deg, #C8A96E, #E8D5A3);
  border-radius: 1rem;
  padding: 2rem;
  color: #1A1A2E;
}

.calc-result-amount {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
}

/* Radio group for calculator */
.calc-radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.calc-radio-label {
  padding: 0.5rem 1rem;
  border: 1.5px solid #E5E7EB;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s ease;
  color: #6B7280;
}

.calc-radio-label:hover {
  border-color: #C8A96E;
  color: #2D2D2D;
}

.calc-radio-input:checked + .calc-radio-label {
  background-color: #C8A96E;
  border-color: #C8A96E;
  color: #1A1A2E;
  font-weight: 600;
}

.calc-radio-input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

/* ======================== STEP TIMELINE ======================== */
.step-connector {
  position: relative;
}

.step-connector::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -50%;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, #C8A96E, transparent);
  transform: translateY(-50%);
  display: none;
}

@media (min-width: 768px) {
  .step-connector::after {
    display: block;
  }
}

.step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, #C8A96E, #E8D5A3);
  color: #1A1A2E;
  font-weight: 700;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ======================== ABOUT SECTION ======================== */
.about-badge {
  background-color: #FFFFFF;
  border-radius: 0.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.about-badge:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.about-photo-overlay {
  background: linear-gradient(to top, rgba(26, 26, 46, 0.8) 0%, transparent 70%);
}

/* ======================== FOOTER ======================== */
.footer-link {
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.2s ease;
  text-decoration: none;
}

.footer-link:hover {
  color: #C8A96E;
}

/* ======================== STICKY MOBILE CTA ======================== */
.sticky-cta-mobile {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 35;
  background-color: rgba(27, 58, 92, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0.75rem 1rem;
  border-top: 1px solid rgba(200, 169, 110, 0.2);
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.sticky-cta-mobile.is-visible {
  transform: translateY(0);
}

/* ======================== STAT BAR ANIMATION ======================== */
.stat-bar {
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.stat-bar.is-animated {
  transform: scaleX(1);
}

/* ======================== CTA SECTION ======================== */
.cta-form-card {
  background-color: #FFFFFF;
  border-radius: 1rem;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
}

/* ======================== ANIMATIONS ======================== */
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.animate-spin {
  animation: spin 1s linear infinite;
}

/* ======================== REDUCED MOTION ======================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

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

  .hero-element {
    opacity: 1;
    transform: none;
    animation: none;
  }

  .cta-hero-btn {
    animation: none;
  }
}

/* ======================== RESPONSIVE BREAKPOINTS ======================== */

/* Extra small — up to 479px */
@media (max-width: 479px) {
  .card,
  .card-accented,
  .card-pain {
    padding: 1.25rem;
  }

  .faq-header {
    padding: 1rem 1.25rem;
  }

  .faq-item.is-open .faq-body {
    padding: 0 1.25rem 1rem 1.25rem;
  }

  .testimonial-card {
    padding: 1.25rem;
  }

  .about-badge {
    padding: 0.625rem;
  }
}

/* Tablet — 480px to 767px */
@media (min-width: 480px) and (max-width: 767px) {
  .card,
  .card-accented,
  .card-pain {
    padding: 1.5rem;
  }
}

/* Small tablet / large mobile — up to 767px */
@media (max-width: 767px) {
  .calc-result-amount {
    font-size: 2rem;
  }
}

/* Desktop — 768px+ */
@media (min-width: 768px) {
  .card,
  .card-accented,
  .card-pain {
    padding: 2rem;
  }
}

/* Large desktop — 1200px+ */
@media (min-width: 1200px) {
  .nav--scrolled .nav-inner {
    padding-top: 1rem;
    padding-bottom: 1rem;
  }
}

/* ======================== PRINT STYLES ======================== */
@media print {
  .nav,
  .mobile-menu,
  .sticky-cta-mobile,
  .cta-hero-btn {
    display: none !important;
  }

  .hero-overlay {
    background-color: rgba(27, 58, 92, 0.8) !important;
  }

  body {
    font-size: 12pt;
    color: #000;
  }

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