/* bugareport */

/* vars */
:root {
  --color-primary: #7A1E23;        
  --color-primary-hover: #93242A;
  --color-primary-dark: #61161A;
  --color-primary-soft: #F9ECEE;
  
  --color-dark: #1C2340;           
  --color-dark-deep: #131A30;
  --color-dark-surface: #242D4F;
  
  --color-ochre: #C4864A;          
  --color-green: #2E5F4B;          
  --color-sand: #C4B8A8;           
  --color-slate: #1F2F39;          
  --color-muted: #5B6B7C;          
  --color-border: #E2E8F0;
  
  --bg-body: #FFFFFF;
  --bg-soft-gray: #F4F6F9;
  --bg-card-map: #ECEEF2;
  --bg-card-apk: #F6F1EC;
  --bg-card-feature: #FFFFFF;
  
  --color-hero-red: #D93847;
  
  --font-title: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  --max-width: 1220px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 2px 8px rgba(28, 35, 64, 0.06);
  --shadow-md: 0 8px 24px rgba(28, 35, 64, 0.08);
  --shadow-lg: 0 16px 36px rgba(28, 35, 64, 0.12);
  --shadow-phone: 0 25px 50px -12px rgba(10, 16, 32, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.15) inset;
  
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  color: var(--color-slate);
  background-color: var(--bg-body);
  line-height: 1.55;
  overflow-x: hidden;
}

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

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

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
  transition: var(--transition);
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 28px;
  padding-right: 28px;
}

/* header */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  background-color: #FFFFFF;
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  z-index: 1000;
  transition: var(--transition);
}

.site-header.scrolled {
  box-shadow: 0 4px 20px rgba(28, 35, 64, 0.08);
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(8px);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo-img {
  height: 44px;
  width: auto;
  object-fit: contain;
  flex-shrink: 0;
}

.brand-icon {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  color: var(--color-primary);
}

.brand-details {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-title);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.brand-tagline {
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--color-muted);
  line-height: 1.2;
  margin-top: 2px;
  white-space: nowrap;
}

.nav-menu {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-slate);
  position: relative;
  padding: 6px 0;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn-header {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  background-color: var(--color-primary);
  color: #FFFFFF;
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 14px rgba(122, 30, 35, 0.25);
}

.btn-header:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(122, 30, 35, 0.35);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  color: var(--color-slate);
  border-radius: var(--radius-sm);
}

/* hero */
.hero-section {
  position: relative;
  background-color: var(--color-dark);
  background-image: 
    linear-gradient(90deg, 
      rgba(20, 27, 49, 0.98) 0%, 
      rgba(24, 33, 58, 0.94) 42%, 
      rgba(28, 35, 64, 0.76) 68%, 
      rgba(28, 35, 64, 0.45) 100%),
    url('../assets/images/buga-fond.jpg');
  background-position: center right;
  background-repeat: no-repeat;
  background-size: cover;
  padding: 85px 0 95px;
  color: #FFFFFF;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 50px;
}

.hero-content {
  max-width: 580px;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #A3B3CC;
  margin-bottom: 18px;
}

.hero-title {
  font-family: var(--font-title);
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: #FFFFFF;
  margin-bottom: 22px;
}

.hero-title .highlight-red {
  display: block;
  color: var(--color-hero-red);
}

.hero-description {
  font-size: 1rem;
  font-weight: 400;
  color: #C8D3E6;
  line-height: 1.65;
  margin-bottom: 34px;
}

.hero-buttons {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 28px;
  background-color: var(--color-primary);
  color: #FFFFFF;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  box-shadow: 0 8px 24px rgba(122, 30, 35, 0.35);
}

.btn-hero-primary svg {
  width: 19px;
  height: 19px;
}

.btn-hero-primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(122, 30, 35, 0.45);
}

.btn-hero-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 26px;
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.28);
  backdrop-filter: blur(8px);
  color: #FFFFFF;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: var(--radius-full);
}

.btn-hero-secondary svg {
  width: 17px;
  height: 17px;
  transition: transform 0.2s ease;
}

.btn-hero-secondary:hover {
  background-color: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.45);
}

.btn-hero-secondary:hover svg {
  transform: translateX(4px);
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 480px;
}

.hero-phone-group {
  position: relative;
  width: 440px;
  height: 520px;
}

.phone-mockup {
  position: absolute;
  width: 250px;
  height: 490px;
  background: #1B212D;
  border-radius: 40px;
  padding: 10px 9px;
  box-shadow: var(--shadow-phone);
  border: 3px solid #333D4F;
  transition: var(--transition);
}

.phone-mockup .phone-notch {
  position: absolute;
  top: 13px;
  left: 50%;
  transform: translateX(-50%);
  width: 68px;
  height: 14px;
  background-color: #0E131C;
  border-radius: 10px;
  z-index: 10;
}

.phone-mockup .phone-screen {
  width: 100%;
  height: 100%;
  border-radius: 32px;
  overflow: hidden;
  background: #FFFFFF;
  position: relative;
}

.phone-mockup .phone-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.phone-mockup.hero-phone-front {
  top: 0;
  left: 20px;
  z-index: 3;
}

.phone-mockup.hero-phone-back {
  top: 42px;
  left: 170px;
  z-index: 2;
  transform: scale(0.96);
  opacity: 0.96;
}

/* comofunciona */
.how-it-works-section {
  padding: 85px 0 80px;
  background-color: #FFFFFF;
}

.section-header {
  margin-bottom: 48px;
}

.section-title {
  font-family: var(--font-title);
  font-size: 2.15rem;
  font-weight: 800;
  color: var(--color-dark);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 1.02rem;
  color: var(--color-muted);
  line-height: 1.55;
  max-width: 620px;
}

.how-grid-layout {
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  gap: 40px;
  align-items: stretch;
}

.steps-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  align-items: start;
}

.step-item {
  display: flex;
  flex-direction: column;
  position: relative;
}

.step-badge-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.step-number {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: #FFFFFF;
  font-size: 0.88rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-icon-wrap {
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-icon-wrap svg {
  width: 25px;
  height: 25px;
  stroke-width: 1.7;
}

.step-title {
  font-family: var(--font-title);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.35;
  margin-bottom: 8px;
}

.step-text {
  font-size: 0.81rem;
  color: var(--color-muted);
  line-height: 1.55;
}

.app-video-card {
  background-color: var(--bg-card-map);
  border-radius: var(--radius-xl);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(200, 208, 220, 0.45);
}

.video-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: #0E1322;
  box-shadow: 0 10px 24px rgba(14, 19, 34, 0.18);
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.app-demo-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.video-overlay-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(15, 23, 42, 0.82);
  backdrop-filter: blur(8px);
  color: #FFFFFF;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  pointer-events: none;
}

.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: #10B981;
  box-shadow: 0 0 8px #10B981;
  display: inline-block;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.video-card-content {
  display: flex;
  flex-direction: column;
}

.video-card-badge-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.video-card-pin {
  width: 16px;
  height: 16px;
  color: var(--color-primary);
}

.video-tag {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-primary);
}

.video-card-title {
  font-family: var(--font-title);
  font-size: 1.22rem;
  font-weight: 800;
  color: var(--color-dark);
  line-height: 1.25;
  margin-bottom: 8px;
}

.video-card-text {
  font-size: 0.83rem;
  color: var(--color-muted);
  line-height: 1.55;
  margin-bottom: 16px;
}

.map-card-pin {
  width: 36px;
  height: 36px;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.map-card-title {
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-dark);
  line-height: 1.2;
  margin-bottom: 10px;
}

.map-card-text {
  font-size: 0.84rem;
  color: var(--color-muted);
  line-height: 1.5;
  margin-bottom: 18px;
}

.btn-card-outline {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 18px;
  border: 1px solid #B07E84;
  border-radius: var(--radius-full);
  color: var(--color-primary);
  font-size: 0.82rem;
  font-weight: 600;
  background-color: transparent;
}

.btn-card-outline svg {
  width: 14px;
  height: 14px;
}

.btn-card-outline:hover {
  background-color: #FFFFFF;
  border-color: var(--color-primary);
}

/* features */
.features-section {
  padding: 90px 0;
  background-color: var(--bg-soft-gray);
  border-top: 1px solid #ECEEF3;
  border-bottom: 1px solid #ECEEF3;
}

.features-grid-layout {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 60px;
  align-items: center;
}

.features-intro-col {
  display: flex;
  flex-direction: column;
}

.section-label {
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: 14px;
}

.features-title {
  font-family: var(--font-title);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-dark);
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}

.features-desc {
  font-size: 0.95rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 30px;
}

.btn-features-all {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  align-self: flex-start;
  padding: 12px 26px;
  background-color: var(--color-dark);
  color: #FFFFFF;
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 14px rgba(28, 35, 64, 0.2);
}

.btn-features-all svg {
  width: 16px;
  height: 16px;
  transition: transform 0.2s ease;
}

.btn-features-all:hover {
  background-color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-features-all:hover svg {
  transform: translateX(4px);
}

.features-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px 30px;
}

.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.feature-icon-badge {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background-color: #EAE6EC;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: 16px;
  transition: var(--transition);
}

.feature-icon-badge svg {
  width: 24px;
  height: 24px;
  stroke-width: 1.8;
}

.feature-item:hover .feature-icon-badge {
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.feature-title {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 6px;
  line-height: 1.35;
}

.feature-text {
  font-size: 0.82rem;
  color: var(--color-muted);
  line-height: 1.5;
}

/* descargas */
.download-section {
  padding: 85px 0 95px;
  background-color: #FFFFFF;
}

.download-layout {
  display: grid;
  grid-template-columns: 1fr 340px 320px;
  gap: 40px;
  align-items: center;
}

.download-info-col {
  display: flex;
  flex-direction: column;
}

.download-title {
  font-family: var(--font-title);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-dark);
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.download-desc {
  font-size: 0.95rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 28px;
  max-width: 440px;
}

.store-buttons-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 320px;
}

.btn-store {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 18px;
  background-color: var(--color-dark);
  border-radius: var(--radius-md);
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(28, 35, 64, 0.12);
  transition: var(--transition);
}

.btn-store:hover {
  background-color: #0E1322;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(28, 35, 64, 0.2);
}

.btn-store svg {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
}

.store-texts {
  display: flex;
  flex-direction: column;
}

.store-sub {
  font-size: 0.65rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #9AA7BA;
  line-height: 1.2;
}

.store-main {
  font-family: var(--font-title);
  font-size: 0.98rem;
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1.2;
}

.download-phones-col {
  position: relative;
  height: 380px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.download-phone-group {
  position: relative;
  width: 290px;
  height: 380px;
}

.download-phone-group .phone-mockup {
  width: 175px;
  height: 345px;
  border-radius: 30px;
  padding: 7px 6px;
  border: 2.5px solid #333D4F;
}

.download-phone-group .phone-notch {
  top: 9px;
  width: 52px;
  height: 11px;
  border-radius: 8px;
}

.download-phone-group .phone-screen {
  border-radius: 24px;
}

.download-phone-group .phone-front {
  top: 10px;
  left: 0;
  z-index: 3;
}

.download-phone-group .phone-back {
  top: 35px;
  left: 105px;
  z-index: 2;
  transform: scale(0.94);
  opacity: 0.95;
}

.apk-guide-card {
  background-color: var(--bg-card-apk);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  border: 1px solid rgba(196, 184, 168, 0.45);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.apk-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.apk-info-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.95rem;
}

.apk-card-title {
  font-family: var(--font-title);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-dark);
}

.apk-card-text {
  font-size: 0.82rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 22px;
}

.apk-card-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: auto;
}

.apk-card-download-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  background-color: var(--color-primary);
  color: #FFFFFF;
  border-radius: var(--radius-full);
  font-size: 0.84rem;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(122, 30, 35, 0.25);
  transition: var(--transition);
}

.apk-card-download-btn:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(122, 30, 35, 0.38);
}

.apk-card-download-btn svg {
  width: 16px;
  height: 16px;
}

.btn-apk-guide {
  align-self: stretch;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 20px;
  border: 1px solid #D6BFC4;
  border-radius: var(--radius-full);
  color: var(--color-primary);
  font-size: 0.82rem;
  font-weight: 600;
  background-color: #FFFFFF;
  transition: var(--transition);
}

.btn-apk-guide svg {
  width: 14px;
  height: 14px;
  transition: transform 0.2s ease;
}

.btn-apk-guide:hover {
  background-color: var(--color-primary-soft);
  border-color: var(--color-primary);
  transform: translateY(-1px);
}

.btn-apk-guide:hover svg {
  transform: translateX(3px);
}


/* about */
.about-section {
  padding: 95px 0;
  background-color: #FFFFFF;
  border-top: 1px solid var(--color-border);
}

.about-grid-layout {
  display: grid;
  grid-template-columns: 1.25fr 0.85fr;
  gap: 55px;
  align-items: center;
}

.about-info-col {
  display: flex;
  flex-direction: column;
}

.about-title {
  font-family: var(--font-title);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-dark);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}

.about-lead {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-slate);
  line-height: 1.6;
  margin-bottom: 14px;
}

.about-paragraph {
  font-size: 0.92rem;
  color: var(--color-muted);
  line-height: 1.65;
  margin-bottom: 28px;
}

.about-pillars-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.pillar-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  background-color: var(--bg-soft-gray);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.pillar-icon-wrap {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.pillar-icon-wrap svg {
  width: 20px;
  height: 20px;
}

.pillar-name {
  font-family: var(--font-title);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 4px;
}

.pillar-desc {
  font-size: 0.78rem;
  color: var(--color-muted);
  line-height: 1.45;
}

.developer-card {
  background: linear-gradient(145deg, #1C2340 0%, #11172A 100%);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  color: #FFFFFF;
  box-shadow: 0 16px 36px rgba(20, 27, 49, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
}

.developer-badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #C4864A;
  background: rgba(196, 134, 74, 0.12);
  padding: 5px 12px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(196, 134, 74, 0.25);
  margin-bottom: 22px;
}

.developer-profile-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}

.developer-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(122, 30, 35, 0.35);
  border: 2px solid rgba(255, 255, 255, 0.2);
  flex-shrink: 0;
  overflow: hidden;
}

.developer-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 50%;
}

.developer-avatar svg {
  width: 28px;
  height: 28px;
}

.developer-title-block {
  display: flex;
  flex-direction: column;
}

.developer-name {
  font-family: var(--font-title);
  font-size: 1.35rem;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.2;
}

.developer-role {
  font-size: 0.84rem;
  font-weight: 500;
  color: #9AA8BF;
  margin-top: 3px;
}

.developer-bio {
  font-size: 0.88rem;
  color: #CBD5E1;
  line-height: 1.6;
  margin-bottom: 24px;
}

.developer-links {
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.dev-link-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 18px;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 600;
  transition: var(--transition);
}

.dev-link-btn.primary {
  background-color: var(--color-primary);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(122, 30, 35, 0.3);
}

.dev-link-btn.primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(122, 30, 35, 0.45);
}

.dev-link-btn.secondary {
  background-color: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.dev-link-btn.secondary:hover {
  background-color: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.dev-link-btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* faq */
.faq-section {
  padding: 95px 0 100px;
  background-color: var(--bg-soft-gray);
  border-top: 1px solid var(--color-border);
}

.text-center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.text-center .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

.faq-accordion-container {
  max-width: 820px;
  margin: 40px auto 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background-color: #FFFFFF;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: #CBD5E1;
}

.faq-item.active {
  border-color: #C8D3E6;
  box-shadow: 0 6px 20px rgba(28, 35, 64, 0.07);
}

.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  text-align: left;
  background: transparent;
  cursor: pointer;
  color: var(--color-dark);
}

.faq-question-text {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.35;
}

.faq-arrow-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-primary);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-item.active .faq-arrow-icon {
  transform: rotate(180deg);
}

.faq-collapse {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-item.active .faq-collapse {
  max-height: 260px;
}

.faq-content {
  padding: 0 24px 22px;
  font-size: 0.9rem;
  color: var(--color-muted);
  line-height: 1.65;
  border-top: 1px solid #F1F5F9;
  padding-top: 14px;
}

/* footer */
.site-footer {
  background-color: var(--color-dark);
  color: #FFFFFF;
  padding: 60px 0 35px;
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  gap: 30px;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-brand-icon {
  width: 36px;
  height: 36px;
  color: #FFFFFF;
  flex-shrink: 0;
}

.footer-brand-details {
  display: flex;
  flex-direction: column;
}

.footer-brand-name {
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.footer-brand-tagline {
  font-size: 0.68rem;
  color: #94A3B8;
  margin-top: 2px;
}

.footer-nav-list {
  display: flex;
  align-items: center;
  gap: 26px;
  flex-wrap: wrap;
}

.footer-nav-link {
  font-size: 0.84rem;
  font-weight: 500;
  color: #CBD5E1;
}

.footer-nav-link:hover {
  color: #FFFFFF;
}

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

.social-link {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  transition: var(--transition);
}

.social-link svg {
  width: 17px;
  height: 17px;
}

.social-link:hover {
  background-color: var(--color-primary);
  transform: translateY(-2px);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  font-size: 0.78rem;
  color: #8E9BAE;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom-info {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.developed-by {
  font-size: 0.78rem;
  color: #94A3B8;
}

.author-link {
  color: #FFFFFF;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: var(--transition);
}

.author-link:hover {
  color: var(--color-ochre);
}

.footer-legal-links {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-legal-links a:hover {
  color: #CBD5E1;
}

.footer-legal-divider {
  color: rgba(255, 255, 255, 0.2);
}

/* modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(5px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background-color: #FFFFFF;
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 580px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
  transform: translateY(20px);
  transition: transform 0.25s ease;
}

.modal-overlay.active .modal-dialog {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 28px;
  border-bottom: 1px solid var(--color-border);
}

.modal-title {
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-dark);
}

.modal-close-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  background-color: #F1F5F9;
}

.modal-close-btn:hover {
  color: var(--color-dark);
  background-color: #E2E8F0;
}

.modal-close-btn svg {
  width: 18px;
  height: 18px;
}

.modal-body {
  padding: 24px 28px;
}

.guide-step {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
}

.guide-step:last-child {
  margin-bottom: 0;
}

.guide-step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.guide-step-content h4 {
  font-family: var(--font-title);
  font-size: 0.95rem;
  color: var(--color-dark);
  margin-bottom: 4px;
}

.guide-step-content p {
  font-size: 0.85rem;
  color: var(--color-muted);
  line-height: 1.5;
}

.modal-footer {
  padding: 18px 28px;
  background-color: #F8FAFC;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
}

.modal-footer-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.modal-footer-spaced {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.modal-dialog-sm {
  max-width: 480px;
}

.modal-title-wrap {
  display: flex;
  flex-direction: column;
}

.modal-badge-status {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  color: var(--color-primary);
  text-transform: uppercase;
  margin-bottom: 3px;
}

.apk-download-box {
  background: linear-gradient(135deg, #1C2340 0%, #12182D 100%);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 24px;
  box-shadow: 0 6px 18px rgba(28, 35, 64, 0.16);
  flex-wrap: wrap;
}

.apk-download-info {
  display: flex;
  flex-direction: column;
}

.apk-version-badge {
  font-size: 0.7rem;
  font-weight: 600;
  color: #C4864A;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.apk-file-name {
  font-family: var(--font-title);
  font-size: 1.05rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-top: 2px;
}

.btn-sm {
  padding: 9px 18px;
  font-size: 0.82rem;
}

.coming-soon-icon-wrap {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 6px auto 18px;
  box-shadow: 0 8px 20px rgba(122, 30, 35, 0.12);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.active .coming-soon-icon-wrap {
  transform: scale(1.05);
}

.coming-soon-icon-wrap svg {
  width: 32px;
  height: 32px;
}

.store-svg-lg {
  width: 32px;
  height: 32px;
}

.coming-soon-headline {
  font-family: var(--font-title);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-dark);
  margin-bottom: 10px;
}

.coming-soon-text {
  font-size: 0.9rem;
  color: var(--color-slate);
  line-height: 1.55;
  margin-bottom: 10px;
}

.coming-soon-subtext {
  font-size: 0.82rem;
  color: var(--color-muted);
  line-height: 1.5;
}

.toast-notice {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: var(--color-dark);
  color: #FFFFFF;
  padding: 14px 22px;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 500;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 3000;
  transform: translateY(80px);
  opacity: 0;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
  pointer-events: none;
}

.toast-notice.show {
  transform: translateY(0);
  opacity: 1;
}

.toast-notice svg {
  width: 18px;
  height: 18px;
  color: var(--color-ochre);
}

/* reveal on scroll */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1), transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-on-scroll.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-on-scroll:not(.is-revealed) {
  transition-delay: 0s !important;
  transition-duration: 0.3s;
}

.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }
.reveal-delay-5 { transition-delay: 0.40s; }
.reveal-delay-6 { transition-delay: 0.48s; }

/* responsive */

/* <= 1080px */
@media (max-width: 1080px) {
  .hero-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
  
  .hero-title {
    font-size: 2.75rem;
  }
  
  .features-grid-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .features-intro-col {
    max-width: 580px;
  }
  
  .download-layout {
    grid-template-columns: 1fr 1fr;
  }
  
  .download-phones-col {
    grid-column: span 2;
    order: 3;
    height: 340px;
    margin-top: 10px;
  }
  
  .apk-guide-card {
    order: 2;
  }
}

/* <= 900px */
@media (max-width: 900px) {
  .how-grid-layout {
    grid-template-columns: 1fr;
    gap: 45px;
  }
  
  .steps-container {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }
  
  .city-map-card {
    max-width: 580px;
  }
  
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: left;
  }
  
  .hero-visual {
    margin-top: 20px;
  }
  
  .hero-phone-group {
    width: 380px;
  }
  
  .features-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-grid-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* <= 768px */
@media (max-width: 768px) {
  .site-header {
    height: auto;
  }
  
  .header-container {
    height: 68px;
  }
  
  .nav-menu {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #FFFFFF;
    flex-direction: column;
    align-items: flex-start;
    padding: 30px 28px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 999;
    overflow-y: auto;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  }
  
  .nav-menu.open {
    transform: translateX(0);
  }
  
  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 22px;
    width: 100%;
  }
  
  .nav-link {
    font-size: 1.1rem;
    font-weight: 600;
  }
  
  .header-actions .btn-header {
    display: none;
  }
  
  .nav-menu .mobile-download-btn {
    display: inline-flex;
    margin-top: 28px;
    width: 100%;
    justify-content: center;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .hero-section {
    padding: 60px 0 75px;
  }
  
  .hero-title {
    font-size: 2.3rem;
  }
  
  .hero-phone-group {
    width: 320px;
    height: 440px;
  }
  
  .phone-mockup {
    width: 205px;
    height: 410px;
    border-radius: 34px;
    padding: 8px 7px;
  }
  
  .phone-mockup.hero-phone-back {
    top: 35px;
    left: 110px;
  }
  
  .download-layout {
    grid-template-columns: 1fr;
  }
  
  .download-phones-col {
    grid-column: span 1;
    order: 2;
  }
  
  .apk-guide-card {
    order: 3;
  }
  
  .footer-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 28px;
  }
  
  .footer-nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }
}

/* <= 640px */
@media (max-width: 640px) {
  .about-pillars-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  
  .developer-card {
    padding: 28px 22px;
  }
  
  .modal-footer-actions,
  .modal-footer-spaced {
    flex-direction: column-reverse;
    gap: 10px;
    width: 100%;
  }
  
  .modal-footer-actions button,
  .modal-footer-actions a,
  .modal-footer-spaced button,
  .modal-footer-spaced a {
    width: 100%;
    justify-content: center;
  }
  
  .apk-download-box {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
    gap: 14px;
  }
  
  .apk-download-info {
    align-items: center;
  }
  
  .apk-download-box a {
    width: 100%;
    justify-content: center;
  }
}

/* <= 480px */
@media (max-width: 480px) {
  .container {
    padding-left: 18px;
    padding-right: 18px;
  }

  .hero-section {
    padding: 48px 0 65px;
  }

  .hero-title {
    font-size: 1.95rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  
  .btn-hero-primary,
  .btn-hero-secondary {
    justify-content: center;
    width: 100%;
  }
  
  .steps-container {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .features-cards-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .hero-phone-group {
    width: 270px;
    height: 370px;
    margin: 0 auto;
  }
  
  .phone-mockup {
    width: 170px;
    height: 340px;
    border-radius: 26px;
    padding: 7px 6px;
  }
  
  .phone-mockup.hero-phone-back {
    left: 88px;
    top: 25px;
  }

  .download-phones-col {
    height: 330px;
    margin: 15px 0;
  }

  .download-phone-group {
    width: 270px;
    height: 320px;
    margin: 0 auto;
  }

  .phone-mockup.phone-front {
    width: 170px;
    height: 330px;
    border-radius: 26px;
  }

  .phone-mockup.phone-back {
    width: 170px;
    height: 330px;
    left: 88px;
    top: 20px;
    border-radius: 26px;
  }

  .store-buttons-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  .btn-store {
    width: 100%;
    justify-content: flex-start;
  }

  .developer-name {
    font-size: 1.25rem;
  }

  .modal-dialog {
    border-radius: var(--radius-md);
    max-height: 90vh;
  }

  .modal-header {
    padding: 18px 20px;
  }

  .modal-body {
    padding: 20px 18px;
  }

  .modal-footer {
    padding: 16px 18px;
  }

  .video-wrapper {
    border-radius: var(--radius-md);
  }

  .app-video-card {
    padding: 16px;
  }
}

/* <= 360px */
@media (max-width: 360px) {
  .container {
    padding-left: 14px;
    padding-right: 14px;
  }

  .hero-title {
    font-size: 1.7rem;
  }

  .hero-phone-group {
    width: 240px;
    height: 330px;
  }

  .phone-mockup {
    width: 150px;
    height: 300px;
    border-radius: 22px;
  }

  .phone-mockup.hero-phone-back {
    left: 75px;
    top: 20px;
  }

  .download-phones-col {
    height: 280px;
  }

  .download-phone-group {
    width: 240px;
    height: 270px;
  }

  .phone-mockup.phone-front {
    width: 145px;
    height: 270px;
  }

  .phone-mockup.phone-back {
    width: 145px;
    height: 270px;
    left: 75px;
  }

  .developer-avatar {
    width: 48px;
    height: 48px;
  }

  .developer-name {
    font-size: 1.15rem;
  }

  .btn-header {
    padding: 8px 14px;
    font-size: 0.8rem;
  }

  .brand-logo-img {
    height: 36px;
  }
}

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

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