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

:root {
  --primary-red: #dc2626;
  --dark-red: #991b1b;
  --light-red: #ef4444;
  --black: #000000;
  --dark-gray: #111111;
  --medium-gray: #1a1a1a;
  --light-gray: #2a2a2a;
  --white: #ffffff;
  --text-gray: #d1d5db;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, sans-serif;
  background-color: var(--black);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: 20px 0;
  transition: all 0.3s ease;
}

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

.logo h1 {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--white);
}

.logo h1 span {
  color: var(--primary-red);
}

.nav {
  display: flex;
  gap: 30px;
  align-items: center;
}

.nav a {
  color: var(--text-gray);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
  font-size: 15px;
}

.nav a:hover {
  color: var(--primary-red);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-red), var(--dark-red));
  color: var(--white) !important;
  padding: 10px 25px;
  border-radius: 8px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(220, 38, 38, 0.4);
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(
      circle at 20% 50%,
      rgba(220, 38, 38, 0.15) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 80%,
      rgba(220, 38, 38, 0.1) 0%,
      transparent 50%
    );
  z-index: 0;
}

.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  animation: fadeInLeft 1s ease;
}

.hero-title {
  font-size: 56px;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 20px;
}

.highlight {
  color: var(--primary-red);
  position: relative;
  display: inline-block;
}

.hero-description {
  font-size: 18px;
  color: var(--text-gray);
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  margin-bottom: 50px;
}

.btn-hero {
  background: linear-gradient(135deg, var(--primary-red), var(--dark-red));
  color: var(--white);
  padding: 16px 40px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
  font-size: 16px;
  transition: all 0.3s ease;
  display: inline-block;
  box-shadow: 0 10px 30px rgba(220, 38, 38, 0.3);
}

.btn-hero:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(220, 38, 38, 0.5);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  padding: 16px 40px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
  font-size: 16px;
  border: 2px solid var(--primary-red);
  transition: all 0.3s ease;
  display: inline-block;
}

.btn-secondary:hover {
  background: var(--primary-red);
  transform: translateY(-3px);
}

.hero-stats {
  display: flex;
  gap: 40px;
}

.stat {
  text-align: center;
}

.stat-number {
  font-size: 36px;
  font-weight: 900;
  color: var(--primary-red);
  margin-bottom: 5px;
}

.stat-label {
  font-size: 14px;
  color: var(--text-gray);
  font-weight: 500;
}

/* Phone Mockup */
.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeInRight 1s ease;
}

.phone-mockup {
  width: 300px;
  height: 600px;
  background: linear-gradient(135deg, var(--dark-gray), var(--black));
  border-radius: 40px;
  padding: 15px;
  box-shadow:
    0 30px 60px rgba(220, 38, 38, 0.3),
    0 0 0 1px rgba(220, 38, 38, 0.1);
  position: relative;
  animation: float 6s ease-in-out infinite;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: var(--black);
  border-radius: 30px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.app-preview {
  text-align: center;
  padding: 20px;
}

.energy-badge {
  background: linear-gradient(135deg, var(--primary-red), var(--dark-red));
  color: var(--white);
  padding: 15px 30px;
  border-radius: 20px;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 40px;
  display: inline-block;
}

.cards-preview {
  display: flex;
  gap: 15px;
  justify-content: center;
}

.card-item {
  width: 70px;
  height: 100px;
  background: linear-gradient(135deg, var(--light-gray), var(--medium-gray));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
  animation: cardFloat 3s ease-in-out infinite;
}

.card-item:nth-child(2) {
  animation-delay: 1s;
}

.card-item:nth-child(3) {
  animation-delay: 2s;
}

/* Features Section */
.features {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--black) 0%, var(--dark-gray) 100%);
}

.section-title {
  font-size: 42px;
  font-weight: 900;
  text-align: center;
  margin-bottom: 60px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.feature-card {
  background: var(--medium-gray);
  padding: 40px 30px;
  border-radius: 20px;
  border: 1px solid rgba(220, 38, 38, 0.1);
  transition: all 0.3s ease;
  text-align: center;
}

.feature-card:hover {
  transform: translateY(-10px);
  border-color: var(--primary-red);
  box-shadow: 0 20px 40px rgba(220, 38, 38, 0.2);
}

.feature-icon {
  font-size: 48px;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--white);
}

.feature-card p {
  color: var(--text-gray);
  line-height: 1.7;
}

/* How It Works Section */
.how-it-works {
  padding: 100px 0;
  background: var(--dark-gray);
}

.steps {
  max-width: 900px;
  margin: 0 auto;
}

.step {
  display: flex;
  gap: 30px;
  margin-bottom: 50px;
  align-items: flex-start;
}

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

.step-number {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-red), var(--dark-red));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 900;
  flex-shrink: 0;
  box-shadow: 0 10px 25px rgba(220, 38, 38, 0.3);
}

.step-content h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--white);
}

.step-content p {
  color: var(--text-gray);
  line-height: 1.7;
  font-size: 16px;
}

/* Download Section */
.download {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--dark-gray) 0%, var(--black) 100%);
}

.download-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 60px;
  margin-top: 60px;
}

.download-instructions {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.instruction {
  display: flex;
  gap: 25px;
  align-items: flex-start;
}

.instruction-icon {
  font-size: 48px;
  flex-shrink: 0;
}

.instruction-text h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--white);
}

.instruction-text p {
  color: var(--text-gray);
  line-height: 1.7;
}

.instruction-text strong {
  color: var(--primary-red);
  font-weight: 700;
}

.download-cta {
  display: flex;
  align-items: center;
}

.cta-box {
  background: var(--medium-gray);
  padding: 40px;
  border-radius: 20px;
  border: 2px solid var(--primary-red);
  text-align: center;
  width: 100%;
}

.cta-box h3 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 15px;
}

.cta-box p {
  color: var(--text-gray);
  margin-bottom: 30px;
  line-height: 1.7;
}

.btn-download {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary-red), var(--dark-red));
  color: var(--white);
  padding: 18px 50px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
  font-size: 18px;
  transition: all 0.3s ease;
  box-shadow: 0 10px 30px rgba(220, 38, 38, 0.3);
  margin-bottom: 25px;
}

.btn-download:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(220, 38, 38, 0.5);
}

.badges {
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
}

.badge {
  background: var(--light-gray);
  padding: 10px 20px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
}

.badge-icon {
  font-size: 18px;
}

/* CTA Section */
.cta {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--dark-red), var(--primary-red));
  text-align: center;
}

.cta h2 {
  font-size: 42px;
  font-weight: 900;
  margin-bottom: 20px;
}

.cta p {
  font-size: 18px;
  margin-bottom: 40px;
  opacity: 0.9;
}

/* Footer */
.footer {
  background: var(--dark-gray);
  padding: 60px 0 30px;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 50px;
  margin-bottom: 40px;
}

.footer-brand h3 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 15px;
}

.footer-brand h3 span {
  color: var(--primary-red);
}

.footer-brand p {
  color: var(--text-gray);
}

.footer-links h4,
.footer-contact h4 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--white);
}

.footer-links a {
  display: block;
  color: var(--text-gray);
  text-decoration: none;
  margin-bottom: 10px;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--primary-red);
}

.footer-contact p {
  color: var(--text-gray);
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid var(--light-gray);
  color: var(--text-gray);
  font-size: 14px;
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

@keyframes cardFloat {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-10px) rotate(5deg);
  }
}

@media (max-width: 968px) {
  .nav {
    display: none;
  }

  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-image {
    order: -1;
  }

  .hero-title {
    font-size: 42px;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .phone-mockup {
    width: 250px;
    height: 500px;
  }

  .download-content {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

@media (max-width: 640px) {
  .hero-title {
    font-size: 36px;
  }

  .section-title {
    font-size: 32px;
  }

  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }

  .btn-hero,
  .btn-secondary {
    width: 100%;
    text-align: center;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: 20px;
  }

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

  .step {
    flex-direction: column;
    text-align: center;
  }

  .step-number {
    margin: 0 auto;
  }
}