:root {
  --bg-dark: #0b0b0f;
  --bg-elevated: rgba(20, 20, 28, 0.85);
  --accent: #ff7a18;
  --accent-secondary: #ffb347;
  --text-primary: #f5f5f5;
  --text-muted: rgba(245, 245, 245, 0.7);
  --shadow-strong: 0 25px 50px -20px rgba(0, 0, 0, 0.8);
  --shadow-soft: 0 18px 40px -20px rgba(255, 122, 24, 0.45);
  --max-width: 1180px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}

body {
  font-family: "Poppins", "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, rgba(255, 122, 24, 0.15), transparent 45%),
              radial-gradient(circle at bottom right, rgba(255, 179, 71, 0.1), transparent 55%),
              var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: -10%;
  background: radial-gradient(circle, rgba(255, 122, 24, 0.08) 0%, transparent 60%);
  filter: blur(40px);
  z-index: -2;
}

.container {
  width: min(90%, var(--max-width));
  margin: 0 auto;
}

nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(11, 11, 15, 0.85);
  backdrop-filter: blur(14px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.6rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.brand-mark {
  width: 3.6rem;
  height: 3.6rem;
  border-radius: 1.2rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  display: grid;
  place-items: center;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--bg-dark);
  box-shadow: var(--shadow-soft);
}

.brand-name {
  font-size: 1.8rem;
  letter-spacing: 0.24rem;
  text-transform: uppercase;
}

nav ul {
  display: flex;
  gap: 2.4rem;
  list-style: none;
}

nav a {
  font-size: 1.4rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease, transform 0.2s ease;
}

nav a:hover,
nav a.active {
  color: var(--accent-secondary);
  transform: translateY(-2px);
}

.hero {
  display: grid;
  gap: 3.2rem;
  align-items: center;
  grid-template-columns: repeat(auto-fit, minmax(32rem, 1fr));
  padding: 10vh 0 14vh;
}

.hero-copy h1 {
  font-size: clamp(3.6rem, 4.2vw, 5.6rem);
  line-height: 1.15;
  margin-bottom: 2.4rem;
}

.highlight {
  color: var(--accent-secondary);
}

.hero-copy p {
  font-size: 1.8rem;
  max-width: 52rem;
  color: var(--text-muted);
  margin-bottom: 3.2rem;
}

.button-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
}

.button-primary,
.button-ghost {
  padding: 1.4rem 2.6rem;
  border-radius: 1rem;
  font-size: 1.5rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.3s ease;
}

.button-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  color: var(--bg-dark);
  box-shadow: var(--shadow-soft);
}

.button-primary:hover {
  transform: translateY(-4px);
}

.button-ghost {
  border: 1px solid rgba(255, 122, 24, 0.4);
  color: var(--text-primary);
  background: transparent;
}

.button-ghost:hover {
  background: rgba(255, 122, 24, 0.08);
  transform: translateY(-4px);
}

.hero-visual {
  position: relative;
  perspective: 1200px;
}

.dashboard-card {
  position: relative;
  padding: 3.6rem;
  border-radius: 2.4rem;
  background: var(--bg-elevated);
  box-shadow: var(--shadow-strong);
  transform: rotateY(-14deg) rotateX(8deg);
  transition: transform 0.6s ease;
}

.hero-visual:hover .dashboard-card {
  transform: rotateY(-4deg) rotateX(2deg) translateY(-8px);
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(10rem, 1fr));
  gap: 1.8rem;
}

.dashboard-tile {
  background: rgba(255, 255, 255, 0.03);
  border-radius: 1.4rem;
  padding: 2rem;
  border: 1px solid rgba(255, 122, 24, 0.12);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.dashboard-tile h3 {
  font-size: 1.3rem;
  text-transform: uppercase;
  letter-spacing: 0.2rem;
  color: var(--text-muted);
  margin-bottom: 1.2rem;
}

.dashboard-tile p {
  font-size: 1.6rem;
  font-weight: 600;
}

section {
  padding: 9vh 0;
}

.section-title {
  font-size: clamp(3rem, 3vw, 4.4rem);
  text-align: center;
  margin-bottom: 5rem;
}

.section-subtitle {
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.4rem;
  font-size: 1.2rem;
  color: var(--accent-secondary);
  margin-bottom: 1.6rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(28rem, 1fr));
  gap: 2.4rem;
}

.feature-card {
  position: relative;
  padding: 3rem;
  border-radius: 2rem;
  background: linear-gradient(145deg, rgba(28, 28, 35, 0.92), rgba(12, 12, 18, 0.92));
  border: 1px solid rgba(255, 122, 24, 0.13);
  box-shadow: var(--shadow-strong);
  overflow: hidden;
}

.feature-card::after {
  content: "";
  position: absolute;
  inset: -30%;
  background: radial-gradient(circle at top right, rgba(255, 122, 24, 0.25), transparent 55%);
  transform: translateZ(-1px);
}

.feature-card h3 {
  font-size: 2.2rem;
  margin-bottom: 1.4rem;
}

.feature-card p {
  font-size: 1.5rem;
  color: var(--text-muted);
}

.stepper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(28rem, 1fr));
  gap: 3rem;
}

.step {
  background: rgba(20, 20, 28, 0.9);
  border: 1px solid rgba(255, 122, 24, 0.18);
  border-radius: 2rem;
  padding: 2.8rem;
  box-shadow: var(--shadow-strong);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  border-radius: 1.2rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  color: var(--bg-dark);
  font-weight: 700;
  margin-bottom: 1.6rem;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr));
  gap: 2.4rem;
  margin-top: 4rem;
}

.metric-card {
  text-align: center;
  padding: 2.4rem;
  border-radius: 1.8rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 122, 24, 0.1);
  box-shadow: var(--shadow-strong);
}

.metric-value {
  font-size: 3.6rem;
  font-weight: 700;
  color: var(--accent-secondary);
}

.metric-label {
  font-size: 1.4rem;
  color: var(--text-muted);
}

.logic-wrap {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(32rem, 1fr));
  gap: 4.4rem;
  align-items: center;
}

.logic-intro {
  font-size: 1.6rem;
  color: var(--text-muted);
  max-width: 60rem;
  margin: 0 auto 4rem;
  text-align: center;
}

.progress-track {
  display: grid;
  gap: 2.6rem;
  perspective: 1200px;
}

.progress-step {
  position: relative;
  padding: 2.8rem;
  border-radius: 2.2rem;
  background: linear-gradient(160deg, rgba(31, 31, 41, 0.95), rgba(12, 12, 18, 0.92));
  border: 1px solid rgba(255, 122, 24, 0.16);
  box-shadow: 0 20px 45px -20px rgba(0, 0, 0, 0.8);
  transform-style: preserve-3d;
  transform: rotateY(-8deg) translateZ(0);
  transition: transform 0.5s ease, box-shadow 0.4s ease, border-color 0.3s ease;
}

.progress-step::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at top right, rgba(255, 122, 24, 0.22), transparent 65%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.progress-step:hover {
  transform: rotateY(-2deg) translateZ(18px) translateY(-6px);
  box-shadow: 0 30px 60px -25px rgba(255, 122, 24, 0.55);
  border-color: rgba(255, 179, 71, 0.4);
}

.progress-step:hover::before {
  opacity: 1;
}

.step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.6rem;
  height: 3.6rem;
  border-radius: 1.1rem;
  background: linear-gradient(135deg, rgba(255, 122, 24, 0.9), rgba(255, 179, 71, 0.9));
  color: var(--bg-dark);
  font-weight: 700;
  margin-bottom: 1.4rem;
  font-size: 1.4rem;
  transform: translateZ(12px);
}

.progress-step h3 {
  font-size: 2rem;
  margin-bottom: 1.2rem;
}

.progress-step p {
  font-size: 1.5rem;
  color: var(--text-muted);
  max-width: 36rem;
}

.logic-visual {
  display: flex;
  justify-content: center;
}

.truck-scene {
  position: relative;
  width: min(38rem, 90vw);
  aspect-ratio: 16 / 11;
  background: linear-gradient(160deg, rgba(19, 19, 28, 0.92), rgba(11, 11, 18, 0.94));
  border-radius: 2.6rem;
  border: 1px solid rgba(255, 122, 24, 0.16);
  box-shadow: var(--shadow-strong);
  overflow: hidden;
  perspective: 1400px;
}

.truck-shadow {
  position: absolute;
  bottom: 10%;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 12%;
  background: radial-gradient(circle, rgba(0, 0, 0, 0.55) 0%, transparent 70%);
  filter: blur(10px);
  opacity: 0.8;
}

.truck {
  position: absolute;
  bottom: 26%;
  left: -40%;
  width: 18rem;
  height: 9rem;
  transform-style: preserve-3d;
  animation: truckDrive 6s ease-in-out infinite;
}

.truck-body {
  position: absolute;
  left: 34%;
  bottom: 25%;
  width: 11rem;
  height: 6rem;
  border-radius: 1.2rem;
  background: linear-gradient(145deg, rgba(255, 122, 24, 0.95), rgba(255, 179, 71, 0.9));
  transform: translateZ(12px);
  box-shadow: 0 18px 30px rgba(255, 122, 24, 0.35);
  display: grid;
  place-items: center;
  font-weight: 700;
  color: var(--bg-dark);
  letter-spacing: 0.18rem;
}

.truck-logo {
  font-size: 1.8rem;
}

.truck-cabin {
  position: absolute;
  left: 0;
  bottom: 20%;
  width: 8rem;
  height: 6.4rem;
  border-radius: 1rem;
  background: linear-gradient(145deg, rgba(255, 122, 24, 0.95), rgba(255, 179, 71, 0.88));
  transform: translateZ(18px);
}

.truck-glass {
  position: absolute;
  left: 0.8rem;
  top: 1.1rem;
  width: 5.2rem;
  height: 3rem;
  border-radius: 0.8rem;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.8), rgba(180, 210, 255, 0.4));
  transform: translateZ(24px);
}

.truck-wheel {
  position: absolute;
  bottom: 0;
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(40, 40, 48, 1) 0%, rgba(14, 14, 20, 1) 65%);
  border: 0.6rem solid rgba(12, 12, 18, 1);
  box-shadow: inset 0 0 0.8rem rgba(0, 0, 0, 0.7);
  animation: wheelSpin 1.4s linear infinite;
}

.truck-wheel-front {
  left: 58%;
}

.truck-wheel-back {
  left: 16%;
}

.truck-light {
  position: absolute;
  top: 34%;
  right: -1.2rem;
  width: 2rem;
  height: 1.2rem;
  border-radius: 0.6rem;
  background: rgba(255, 255, 200, 0.9);
  box-shadow: 0 0 1.4rem rgba(255, 200, 120, 0.8);
  transform: translateZ(24px);
}

.trail {
  position: absolute;
  bottom: 40%;
  width: 9rem;
  height: 0.4rem;
  background: linear-gradient(90deg, rgba(255, 122, 24, 0.0), rgba(255, 122, 24, 0.8));
  filter: blur(1px);
  opacity: 0;
  animation: trailFlash 6s ease-in-out infinite;
}

.trail-1 {
  left: 10%;
  animation-delay: 0.2s;
}

.trail-2 {
  left: 18%;
  animation-delay: 0.5s;
}

.trail-3 {
  left: 26%;
  animation-delay: 0.8s;
}

@keyframes truckDrive {
  0% {
    transform: translateX(0) translateZ(0) rotateZ(0deg);
  }
  35% {
    transform: translateX(120%) translateY(-4px) rotateZ(-0.5deg);
  }
  60% {
    transform: translateX(240%) translateY(0) rotateZ(0.5deg);
  }
  80% {
    transform: translateX(300%) translateY(-2px) rotateZ(0deg);
  }
  100% {
    transform: translateX(380%) translateY(0) rotateZ(0deg);
  }
}

@keyframes wheelSpin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes trailFlash {
  0%, 50% {
    opacity: 0;
    transform: scaleX(0.4);
  }
  60% {
    opacity: 0.9;
    transform: scaleX(1);
  }
  100% {
    opacity: 0;
    transform: scaleX(0.2);
  }
}

.contact-card {
  max-width: 64rem;
  margin: 0 auto;
  background: rgba(18, 18, 24, 0.9);
  border: 1px solid rgba(255, 122, 24, 0.18);
  border-radius: 2.4rem;
  padding: 4rem;
  text-align: center;
  box-shadow: var(--shadow-strong);
}

.contact-card p {
  font-size: 1.6rem;
  color: var(--text-muted);
  margin-bottom: 2.4rem;
}

footer {
  padding: 3.6rem 0;
  font-size: 1.3rem;
  color: var(--text-muted);
  border-top: 1px solid rgba(255, 122, 24, 0.12);
  margin-top: 6rem;
}

footer .footer-links {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

footer a {
  color: var(--text-muted);
  text-decoration: none;
}

footer a:hover {
  color: var(--accent-secondary);
}

.policy-page {
  padding: 14vh 0 10vh;
}

.policy-heading {
  max-width: 72rem;
  margin: 0 auto 6rem;
  text-align: center;
}

.policy-heading h1 {
  font-size: clamp(3.2rem, 3.6vw, 4.8rem);
  margin-bottom: 1.6rem;
}

.policy-heading p {
  font-size: 1.6rem;
  color: var(--text-muted);
}

.policy-section {
  max-width: 76rem;
  margin: 0 auto 4.4rem;
  background: rgba(18, 18, 24, 0.92);
  border: 1px solid rgba(255, 122, 24, 0.15);
  padding: 3.2rem;
  border-radius: 2rem;
  box-shadow: var(--shadow-strong);
}

.policy-section h2 {
  font-size: 2.2rem;
  margin-bottom: 1.8rem;
}

.policy-section p,
.policy-section li {
  font-size: 1.5rem;
  color: var(--text-muted);
}

.policy-section ul {
  margin-left: 1.6rem;
  margin-top: 1.2rem;
  display: grid;
  gap: 0.8rem;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 3rem;
  font-size: 1.4rem;
  color: var(--accent-secondary);
  text-decoration: none;
}

.back-link:hover {
  color: var(--accent);
}

@media (max-width: 900px) {
  .logic-wrap {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .logic-intro {
    margin-left: auto;
    margin-right: auto;
  }

  .progress-track {
    perspective: none;
  }

  .progress-step {
    transform: none;
  }

  .logic-visual {
    margin-top: 3rem;
  }
}

@media (max-width: 768px) {
  nav ul {
    display: none;
  }

  .hero {
    padding-top: 8vh;
  }
}

@media (max-width: 540px) {
  .hero-copy p {
    font-size: 1.6rem;
  }

  .button-primary,
  .button-ghost {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
}