/* ============================================
   STARKARGO — Logistics & Cargo Services
   Design System: Deep Navy + Vibrant Orange
   Fonts: Sora (headings) + Manrope (body)
   Prefix: sk-
   ============================================ */

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

:root {
  --sk-primary: #0D2137;
  --sk-accent: #FF6B2C;
  --sk-teal: #00C9A7;
  --sk-light: #F4F6FA;
  --sk-white: #FFFFFF;
  --sk-dark: #0A1929;
  --sk-gray-100: #E8ECF1;
  --sk-gray-200: #CDD4DC;
  --sk-gray-400: #8896A6;
  --sk-gray-600: #4A5568;
  --sk-text: #1A2B3F;
  --sk-radius-sm: 8px;
  --sk-radius-md: 14px;
  --sk-radius-lg: 22px;
  --sk-radius-xl: 32px;
  --sk-shadow-card: 0 4px 24px rgba(13, 33, 55, 0.08);
  --sk-shadow-glass: 0 8px 32px rgba(13, 33, 55, 0.12);
  --sk-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --sk-font-heading: 'Sora', sans-serif;
  --sk-font-body: 'Manrope', sans-serif;
  --sk-space-unit: 7px;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--sk-font-body);
  color: var(--sk-text);
  background: var(--sk-light);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
input, select, button { font-family: var(--sk-font-body); }

.sk-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 calc(var(--sk-space-unit) * 3);
}

/* --- Buttons --- */
.sk-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: var(--sk-radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all var(--sk-transition);
  border: 2px solid transparent;
  gap: 8px;
}

.sk-btn-primary {
  background: var(--sk-accent);
  color: var(--sk-white);
  border-color: var(--sk-accent);
}
.sk-btn-primary:hover {
  background: #E55A1F;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 107, 44, 0.35);
}

.sk-btn-outline {
  background: transparent;
  color: var(--sk-white);
  border-color: rgba(255, 255, 255, 0.4);
}
.sk-btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--sk-white);
}

.sk-btn-lg {
  padding: 18px 44px;
  font-size: 1.05rem;
  border-radius: var(--sk-radius-lg);
}

/* --- Navigation --- */
.sk-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all var(--sk-transition);
}

.sk-nav.sk-nav-scrolled {
  background: rgba(13, 33, 55, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 10px 0;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.sk-nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 calc(var(--sk-space-unit) * 3);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.sk-logo-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--sk-radius-sm);
}

.sk-logo-text {
  font-family: var(--sk-font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--sk-white);
  letter-spacing: 0.04em;
}

.sk-logo-accent {
  color: var(--sk-accent);
}

.sk-nav-links {
  display: flex;
  list-style: none;
  gap: 8px;
}

.sk-nav-links a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--sk-radius-sm);
  transition: all var(--sk-transition);
}

.sk-nav-links a:hover,
.sk-nav-links a.sk-active {
  color: var(--sk-white);
  background: rgba(255, 255, 255, 0.08);
}

.sk-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.sk-burger span {
  width: 24px;
  height: 2px;
  background: var(--sk-white);
  border-radius: 2px;
  transition: all var(--sk-transition);
}

/* --- Hero Section --- */
.sk-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(165deg, var(--sk-dark) 0%, var(--sk-primary) 40%, #142D45 100%);
  overflow: hidden;
}

.sk-hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.sk-hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 80px 80px;
}

.sk-hero-particle {
  position: absolute;
  border-radius: 50%;
  opacity: 0.15;
  animation: skFloat 8s ease-in-out infinite;
}

.sk-particle-1 {
  width: 380px; height: 380px;
  background: radial-gradient(circle, var(--sk-accent), transparent 70%);
  top: -80px; right: -100px;
  animation-delay: 0s;
}

.sk-particle-2 {
  width: 260px; height: 260px;
  background: radial-gradient(circle, var(--sk-teal), transparent 70%);
  bottom: 10%; left: -60px;
  animation-delay: -3s;
}

.sk-particle-3 {
  width: 160px; height: 160px;
  background: radial-gradient(circle, var(--sk-accent), transparent 70%);
  top: 50%; right: 20%;
  animation-delay: -5s;
  opacity: 0.08;
}

.sk-particle-4 {
  width: 100px; height: 100px;
  background: radial-gradient(circle, var(--sk-teal), transparent 70%);
  top: 20%; left: 30%;
  animation-delay: -2s;
  opacity: 0.1;
}

.sk-particle-5 {
  width: 200px; height: 200px;
  background: radial-gradient(circle, #FF6B2C, transparent 70%);
  bottom: -40px; right: 35%;
  animation-delay: -4s;
  opacity: 0.06;
}

@keyframes skFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(20px, -30px) scale(1.05); }
  66% { transform: translate(-15px, 15px) scale(0.95); }
}

.sk-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 820px;
  padding: 0 calc(var(--sk-space-unit) * 3);
}

.sk-hero-badge {
  display: inline-block;
  background: rgba(0, 201, 167, 0.15);
  color: var(--sk-teal);
  padding: 6px 20px;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 28px;
  border: 1px solid rgba(0, 201, 167, 0.25);
}

.sk-hero-title {
  font-family: var(--sk-font-heading);
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 800;
  color: var(--sk-white);
  line-height: 1.15;
  margin-bottom: 22px;
}

.sk-hero-highlight {
  background: linear-gradient(135deg, var(--sk-accent), #FF9A5C);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sk-hero-subtitle {
  color: rgba(255, 255, 255, 0.65);
  font-size: 1.12rem;
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.sk-hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.sk-hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
  flex-wrap: wrap;
}

.sk-stat {
  text-align: center;
}

.sk-stat-value {
  display: block;
  font-family: var(--sk-font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--sk-white);
}

.sk-stat-suffix {
  font-family: var(--sk-font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--sk-white);
}

.sk-stat-label {
  display: block;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.8rem;
  font-weight: 500;
  margin-top: 4px;
  letter-spacing: 0.03em;
}

.sk-stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, 0.15);
}

.sk-hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
}

.sk-scroll-arrow {
  width: 24px;
  height: 24px;
  border-right: 2px solid rgba(255,255,255,0.3);
  border-bottom: 2px solid rgba(255,255,255,0.3);
  transform: rotate(45deg);
  animation: skBounce 2s infinite;
}

@keyframes skBounce {
  0%, 20%, 50%, 80%, 100% { transform: rotate(45deg) translateY(0); }
  40% { transform: rotate(45deg) translateY(8px); }
  60% { transform: rotate(45deg) translateY(4px); }
}

/* --- Section Common --- */
.sk-section {
  padding: 110px 0;
}

.sk-section-header {
  text-align: center;
  margin-bottom: 64px;
}

.sk-section-tag {
  display: inline-block;
  background: rgba(255, 107, 44, 0.1);
  color: var(--sk-accent);
  padding: 5px 18px;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.sk-section-title {
  font-family: var(--sk-font-heading);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  color: var(--sk-primary);
  margin-bottom: 14px;
  line-height: 1.2;
}

.sk-section-desc {
  color: var(--sk-gray-600);
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto;
}

/* --- Services --- */
.sk-services {
  background: var(--sk-white);
}

.sk-services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.sk-service-card {
  background: var(--sk-light);
  border-radius: var(--sk-radius-lg);
  padding: 36px 30px 30px;
  transition: all var(--sk-transition);
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}

.sk-service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--sk-accent), var(--sk-teal));
  opacity: 0;
  transition: opacity var(--sk-transition);
}

.sk-service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--sk-shadow-glass);
  border-color: var(--sk-gray-100);
}

.sk-service-card:hover::before {
  opacity: 1;
}

.sk-service-icon-wrap {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--sk-primary);
  border-radius: var(--sk-radius-md);
  margin-bottom: 20px;
  color: var(--sk-accent);
}

.sk-service-icon {
  width: 28px;
  height: 28px;
}

.sk-service-title {
  font-family: var(--sk-font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--sk-primary);
  margin-bottom: 10px;
}

.sk-service-desc {
  color: var(--sk-gray-600);
  font-size: 0.9rem;
  line-height: 1.65;
  margin-bottom: 18px;
}

.sk-service-features {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.sk-service-features span {
  background: rgba(13, 33, 55, 0.06);
  color: var(--sk-primary);
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* --- Tracking --- */
.sk-tracking {
  background: linear-gradient(165deg, var(--sk-primary) 0%, var(--sk-dark) 100%);
}

.sk-tracking .sk-section-tag {
  background: rgba(0, 201, 167, 0.15);
  color: var(--sk-teal);
}

.sk-tracking .sk-section-title {
  color: var(--sk-white);
}

.sk-tracking .sk-section-desc {
  color: rgba(255, 255, 255, 0.55);
}

.sk-tracking-panel {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--sk-radius-xl);
  padding: 40px;
}

.sk-tracking-input-row {
  display: flex;
  gap: 16px;
  margin-bottom: 8px;
}

.sk-tracking-field {
  flex: 1;
}

.sk-tracking-field label {
  display: block;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.sk-tracking-field input {
  width: 100%;
  padding: 14px 20px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--sk-radius-md);
  color: var(--sk-white);
  font-size: 1rem;
  font-weight: 500;
  outline: none;
  transition: all var(--sk-transition);
}

.sk-tracking-field input::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

.sk-tracking-field input:focus {
  border-color: var(--sk-accent);
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 0 0 3px rgba(255, 107, 44, 0.15);
}

.sk-track-btn {
  align-self: flex-end;
  white-space: nowrap;
}

/* Track Result */
.sk-tracking-result {
  margin-top: 36px;
  animation: skSlideUp 0.5s ease-out;
}

@keyframes skSlideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.sk-track-route {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 40px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--sk-radius-lg);
}

.sk-track-origin, .sk-track-dest {
  text-align: center;
  min-width: 120px;
}

.sk-track-city {
  display: block;
  color: var(--sk-white);
  font-family: var(--sk-font-heading);
  font-weight: 700;
  font-size: 1rem;
}

.sk-track-detail {
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.78rem;
  margin-top: 2px;
}

.sk-track-line {
  flex: 1;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  position: relative;
}

.sk-track-progress {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--sk-teal), var(--sk-accent));
  border-radius: 4px;
  transition: width 1.5s ease-out;
}

.sk-track-plane-indicator {
  position: absolute;
  top: 50%;
  left: 0%;
  transform: translate(-50%, -50%);
  color: var(--sk-accent);
  transition: left 1.5s ease-out;
  filter: drop-shadow(0 0 6px rgba(255, 107, 44, 0.5));
}

.sk-track-plane-indicator svg {
  width: 22px;
  height: 22px;
}

/* Timeline */
.sk-track-timeline {
  display: flex;
  justify-content: space-between;
  margin-bottom: 32px;
  position: relative;
  padding: 0 10px;
}

.sk-track-timeline::before {
  content: '';
  position: absolute;
  top: 10px;
  left: 30px;
  right: 30px;
  height: 2px;
  background: rgba(255, 255, 255, 0.1);
}

.sk-timeline-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 1;
  flex: 1;
}

.sk-step-dot {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.2);
  background: var(--sk-dark);
  margin-bottom: 12px;
  transition: all 0.4s ease;
  position: relative;
}

.sk-step-done .sk-step-dot {
  border-color: var(--sk-teal);
  background: var(--sk-teal);
}

.sk-step-done .sk-step-dot::after {
  content: '';
  position: absolute;
  top: 4px;
  left: 3px;
  width: 8px;
  height: 5px;
  border-left: 2px solid var(--sk-dark);
  border-bottom: 2px solid var(--sk-dark);
  transform: rotate(-45deg);
}

.sk-step-active .sk-step-dot {
  border-color: var(--sk-accent);
  background: var(--sk-accent);
  box-shadow: 0 0 12px rgba(255, 107, 44, 0.5);
  animation: skPulse 2s infinite;
}

@keyframes skPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 107, 44, 0.4); }
  50% { box-shadow: 0 0 0 8px rgba(255, 107, 44, 0); }
}

.sk-step-info {
  text-align: center;
}

.sk-step-title {
  display: block;
  color: var(--sk-white);
  font-size: 0.76rem;
  font-weight: 600;
  margin-bottom: 3px;
}

.sk-step-pending .sk-step-title {
  color: rgba(255, 255, 255, 0.35);
}

.sk-step-time {
  color: rgba(255, 255, 255, 0.35);
  font-size: 0.68rem;
}

/* Track Details Grid */
.sk-track-details-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.sk-track-detail-card {
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--sk-radius-md);
  padding: 16px;
  text-align: center;
}

.sk-detail-label {
  display: block;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}

.sk-detail-value {
  color: var(--sk-white);
  font-family: var(--sk-font-heading);
  font-weight: 700;
  font-size: 1.05rem;
}

.sk-detail-accent {
  color: var(--sk-teal);
}

/* --- Calculator --- */
.sk-calculator {
  background: var(--sk-white);
}

.sk-calc-panel {
  background: var(--sk-light);
  border-radius: var(--sk-radius-xl);
  padding: 44px;
  box-shadow: var(--sk-shadow-card);
  border: 1px solid var(--sk-gray-100);
}

.sk-calc-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.sk-calc-group label {
  display: block;
  color: var(--sk-gray-600);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.sk-calc-group input,
.sk-calc-group select {
  width: 100%;
  padding: 13px 18px;
  background: var(--sk-white);
  border: 1.5px solid var(--sk-gray-200);
  border-radius: var(--sk-radius-sm);
  font-size: 0.95rem;
  color: var(--sk-text);
  outline: none;
  transition: all var(--sk-transition);
  appearance: none;
  -webkit-appearance: none;
}

.sk-calc-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238896A6' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.sk-calc-group input:focus,
.sk-calc-group select:focus {
  border-color: var(--sk-accent);
  box-shadow: 0 0 0 3px rgba(255, 107, 44, 0.1);
}

.sk-calc-submit {
  width: 100%;
  margin-top: 8px;
}

/* Calc Result */
.sk-calc-result {
  margin-top: 32px;
  padding-top: 32px;
  border-top: 2px solid var(--sk-gray-100);
  animation: skSlideUp 0.4s ease-out;
}

.sk-calc-result-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.sk-calc-result-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--sk-gray-600);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.sk-calc-result-price {
  font-family: var(--sk-font-heading);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--sk-accent);
}

.sk-calc-breakdown {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}

.sk-calc-breakdown-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--sk-white);
  border-radius: var(--sk-radius-sm);
  font-size: 0.88rem;
}

.sk-calc-breakdown-row span:first-child {
  color: var(--sk-gray-600);
}

.sk-calc-breakdown-row span:last-child {
  font-weight: 600;
  color: var(--sk-primary);
}

.sk-calc-disclaimer {
  color: var(--sk-gray-400);
  font-size: 0.78rem;
  font-style: italic;
  text-align: center;
}

/* --- About --- */
.sk-about {
  background: var(--sk-light);
}

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

.sk-about .sk-section-tag {
  margin-bottom: 16px;
}

.sk-about .sk-section-title {
  text-align: left;
  margin-bottom: 20px;
}

.sk-about-desc {
  color: var(--sk-gray-600);
  font-size: 0.95rem;
  margin-bottom: 16px;
  line-height: 1.75;
}

.sk-about-highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.sk-highlight {
  text-align: center;
  padding: 20px 12px;
  background: var(--sk-white);
  border-radius: var(--sk-radius-md);
  box-shadow: var(--sk-shadow-card);
}

.sk-highlight-num {
  font-family: var(--sk-font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--sk-accent);
  line-height: 1;
  margin-bottom: 6px;
}

.sk-highlight-label {
  color: var(--sk-gray-600);
  font-size: 0.76rem;
  font-weight: 600;
}

/* About Visual */
.sk-about-visual {
  position: relative;
  min-height: 380px;
}

.sk-about-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 18px 24px;
  border-radius: var(--sk-radius-md);
  box-shadow: var(--sk-shadow-glass);
  border: 1px solid rgba(255, 255, 255, 0.5);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--sk-primary);
  transition: transform var(--sk-transition);
}

.sk-about-card:hover {
  transform: translateY(-4px);
}

.sk-about-card-icon {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--sk-primary);
  border-radius: var(--sk-radius-sm);
  color: var(--sk-accent);
  flex-shrink: 0;
}

.sk-about-card-icon svg {
  width: 20px;
  height: 20px;
}

.sk-about-card-1 { top: 10px; left: 20px; animation: skCardFloat 6s ease-in-out infinite; }
.sk-about-card-2 { top: 100px; right: 0; animation: skCardFloat 6s ease-in-out infinite 2s; }
.sk-about-card-3 { top: 200px; left: 40px; animation: skCardFloat 6s ease-in-out infinite 4s; }

@keyframes skCardFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.sk-about-map-placeholder {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: rgba(13, 33, 55, 0.05);
  border-radius: var(--sk-radius-lg);
  overflow: hidden;
}

.sk-map-dot {
  position: absolute;
  width: 10px;
  height: 10px;
  background: var(--sk-accent);
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(255, 107, 44, 0.4);
}

.sk-map-dot span {
  position: absolute;
  top: -22px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--sk-primary);
  white-space: nowrap;
}

.sk-map-kyiv { top: 35%; left: 65%; }
.sk-map-lviv { top: 30%; left: 25%; }
.sk-map-odesa { bottom: 20%; left: 55%; }

/* --- Contact --- */
.sk-contact {
  background: var(--sk-white);
}

.sk-contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 48px;
}

.sk-contact-card {
  text-align: center;
  padding: 40px 28px;
  background: var(--sk-light);
  border-radius: var(--sk-radius-lg);
  transition: all var(--sk-transition);
  border: 1px solid transparent;
}

.sk-contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--sk-shadow-glass);
  border-color: var(--sk-gray-100);
}

.sk-contact-icon {
  width: 54px;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--sk-primary);
  border-radius: var(--sk-radius-md);
  color: var(--sk-accent);
  margin: 0 auto 20px;
}

.sk-contact-icon svg {
  width: 26px;
  height: 26px;
}

.sk-contact-card h3 {
  font-family: var(--sk-font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--sk-primary);
  margin-bottom: 12px;
}

.sk-contact-card p {
  color: var(--sk-gray-600);
  font-size: 0.88rem;
}

.sk-contact-link {
  display: inline-block;
  color: var(--sk-accent);
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 6px;
  transition: color var(--sk-transition);
}

.sk-contact-link:hover {
  color: #E55A1F;
}

.sk-contact-address {
  line-height: 1.8;
}

.sk-contact-cta {
  text-align: center;
}

/* --- Footer --- */
.sk-footer {
  background: var(--sk-dark);
  padding: 48px 0 32px;
}

.sk-footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 36px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sk-footer-brand .sk-logo-text {
  font-size: 1.2rem;
  margin-bottom: 8px;
  display: block;
}

.sk-footer-brand p {
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.82rem;
}

.sk-footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.sk-footer-links a {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.85rem;
  font-weight: 500;
  transition: color var(--sk-transition);
}

.sk-footer-links a:hover {
  color: var(--sk-accent);
}

.sk-footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sk-footer-bottom p {
  color: rgba(255, 255, 255, 0.3);
  font-size: 0.78rem;
}

/* --- Scroll Animations --- */
.sk-anim-target {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.sk-anim-target.sk-visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .sk-services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .sk-about-visual {
    min-height: 300px;
  }

  .sk-about .sk-section-title {
    text-align: center;
  }

  .sk-about-desc {
    text-align: center;
  }
}

@media (max-width: 768px) {
  .sk-nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(13, 33, 55, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 20px;
    gap: 4px;
  }

  .sk-nav-links.sk-nav-open {
    display: flex;
  }

  .sk-burger {
    display: flex;
  }

  .sk-burger.sk-burger-active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .sk-burger.sk-burger-active span:nth-child(2) {
    opacity: 0;
  }
  .sk-burger.sk-burger-active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .sk-hero-title {
    font-size: clamp(1.8rem, 7vw, 2.6rem);
  }

  .sk-hero-stats {
    flex-direction: column;
    gap: 20px;
  }

  .sk-stat-divider {
    width: 50px;
    height: 1px;
  }

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

  .sk-section {
    padding: 72px 0;
  }

  .sk-tracking-input-row {
    flex-direction: column;
  }

  .sk-track-route {
    flex-direction: column;
    text-align: center;
  }

  .sk-track-line {
    width: 100%;
    min-height: 4px;
  }

  .sk-track-timeline {
    flex-direction: column;
    gap: 16px;
    padding-left: 30px;
  }

  .sk-track-timeline::before {
    top: 10px;
    bottom: 10px;
    left: 20px;
    right: auto;
    width: 2px;
    height: auto;
  }

  .sk-timeline-step {
    flex-direction: row;
    align-items: center;
    gap: 16px;
  }

  .sk-step-dot {
    margin-bottom: 0;
    flex-shrink: 0;
  }

  .sk-step-info {
    text-align: left;
  }

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

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

  .sk-calc-panel {
    padding: 28px 20px;
  }

  .sk-tracking-panel {
    padding: 28px 20px;
  }

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

  .sk-about-highlights {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }

  .sk-footer-top {
    flex-direction: column;
    gap: 24px;
  }

  .sk-footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .sk-about-highlights {
    grid-template-columns: 1fr;
  }

  .sk-track-details-grid {
    grid-template-columns: 1fr;
  }

  .sk-hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .sk-btn {
    width: 100%;
  }

  .sk-about-visual {
    min-height: 340px;
  }

  .sk-about-card {
    position: relative;
    top: auto !important;
    left: auto !important;
    right: auto !important;
    margin-bottom: 12px;
  }

  .sk-about-map-placeholder {
    position: relative;
    margin-top: 16px;
  }
}