/* ============================================
   Similar Web Traffic - Static Landing Page
   ============================================ */

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

:root {
  /* Colors */
  --bg-dark: hsl(0, 0%, 0%);
  --bg-dark-alt: hsl(0, 0%, 4%);
  --bg-muted: hsl(0, 0%, 7%);
  --bg-slate: hsl(220, 30%, 10%);
  --bg-contact: hsl(220, 30%, 12%);
  --bg-card: hsl(220, 30%, 15%);
  --bg-footer: hsl(220, 30%, 8%);
  
  --text-white: hsl(0, 0%, 100%);
  --text-gray-100: hsl(0, 0%, 90%);
  --text-gray-300: hsl(0, 0%, 70%);
  --text-gray-400: hsl(0, 0%, 60%);
  --text-gray-500: hsl(0, 0%, 40%);
  --text-gray-600: hsl(0, 0%, 30%);
  
  --cyan-400: hsl(185, 70%, 45%);
  --cyan-500: hsl(185, 70%, 40%);
  --cyan-600: hsl(185, 70%, 35%);
  
  --green-400: hsl(142, 70%, 45%);
  --green-bg: hsla(142, 70%, 45%, 0.15);
  
  --yellow-400: hsl(45, 100%, 50%);
  
  --border-light: hsl(0, 0%, 15%);
  --border-cyan: hsla(185, 70%, 40%, 0.3);
  --border-cyan-hover: hsla(185, 70%, 40%, 0.6);
  
  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  
  /* Spacing */
  --container-max: 1280px;
  --section-py: 4rem;
  --section-py-md: 5rem;
  
  /* Transitions */
  --transition-fast: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-gray-300);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Icons */
.icon {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
}

.icon-sm {
  width: 1rem;
  height: 1rem;
}

.icon-lg {
  width: 1.75rem;
  height: 1.75rem;
}

.icon-xl {
  width: 2.5rem;
  height: 2.5rem;
}

.icon-check {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--cyan-400);
  flex-shrink: 0;
}

/* ============================================
   Navigation
   ============================================ */
.nav-fixed {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: hsla(0, 0%, 0%, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
}

.nav-brand {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-white);
  transition: color var(--transition-fast);
}

.nav-brand:hover {
  color: var(--cyan-400);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.75rem;
  border-radius: 9999px;
  border: 1px solid var(--cyan-500);
  background: hsla(185, 70%, 40%, 0.1);
  color: var(--cyan-400);
  font-size: 0.875rem;
  font-weight: 500;
  transition: background var(--transition-fast);
}

.nav-btn:hover {
  background: hsla(185, 70%, 40%, 0.2);
}

.nav-btn-text {
  display: none;
}

@media (min-width: 640px) {
  .nav-btn-text {
    display: inline;
  }
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, hsla(0, 0%, 0%, 0.9), hsla(0, 0%, 0%, 0.1));
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 56rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.hero-card {
  background: hsla(0, 0%, 0%, 0.6);
  backdrop-filter: blur(4px);
  border-radius: 1rem;
  padding: 2.5rem 2rem;
  border: 1px solid hsla(185, 70%, 40%, 0.2);
}

@media (min-width: 768px) {
  .hero-card {
    padding: 3.5rem 3rem;
  }
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, 6rem);
  font-weight: 300;
  color: var(--text-white);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 3vw, 1.5rem);
  color: var(--cyan-400);
  font-weight: 500;
  letter-spacing: 0.025em;
  max-width: 42rem;
  margin: 0 auto 2rem;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  background: var(--cyan-500);
  color: var(--text-white);
  font-weight: 600;
  font-size: 1.125rem;
  border-radius: 9999px;
  transition: all var(--transition-fast);
}

.hero-cta:hover {
  background: var(--cyan-400);
  transform: scale(1.05);
  box-shadow: 0 10px 30px hsla(185, 70%, 40%, 0.3);
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
}

.scroll-line {
  width: 1px;
  height: 4rem;
  background: hsla(0, 0%, 100%, 0.4);
  margin-bottom: 1rem;
}

.scroll-text {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: hsla(0, 0%, 100%, 0.6);
  transform: rotate(90deg);
  transform-origin: center;
}

/* ============================================
   Section Base Styles
   ============================================ */
.section {
  padding: var(--section-py) 0;
}

@media (min-width: 768px) {
  .section {
    padding: var(--section-py-md) 0;
  }
}

.section-dark {
  background: hsl(0, 0%, 4%);
}

.section-muted {
  background: hsl(0, 0%, 5%);
}

.section-muted-alt {
  background: hsl(0, 0%, 6%);
}

.section-slate {
  background: var(--bg-slate);
}

.section-contact {
  background: var(--bg-contact);
}

.section-header {
  margin-bottom: 3rem;
}

.section-header-center {
  text-align: center;
}

.section-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-gray-500);
  margin-bottom: 1rem;
}

.section-label-light {
  color: var(--text-gray-400);
}

.section-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 300;
  color: var(--text-white);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

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

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-gray-400);
  margin-top: 1.5rem;
  max-width: 42rem;
  margin-left: auto;
  margin-right: auto;
}

.section-subtitle-light {
  color: var(--text-gray-300);
}

/* ============================================
   Services Section
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem 4rem;
  }
}

.service-item {
  transition: color var(--transition-fast);
}

.service-number {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--text-gray-600);
  margin-bottom: 0.75rem;
}

.service-title {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--text-white);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  transition: color var(--transition-fast);
}

.service-item:hover .service-title {
  color: var(--cyan-400);
}

.service-desc {
  font-size: 0.875rem;
  color: var(--text-gray-500);
  line-height: 1.7;
  max-width: 28rem;
}

/* ============================================
   About Section
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: start;
}

@media (min-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.about-text p {
  font-size: 1.125rem;
  color: var(--text-gray-400);
  line-height: 1.7;
}

.about-sidebar {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.approach-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-gray-500);
  margin-bottom: 1.5rem;
}

.approach-items {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.approach-item {
  padding-left: 1.5rem;
  border-left: 2px solid var(--text-white);
}

.approach-title {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--text-white);
  margin-bottom: 0.5rem;
}

.approach-desc {
  font-size: 0.875rem;
  color: var(--text-gray-400);
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-light);
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.stat-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-gray-500);
}

.stat-value {
  font-size: 1.25rem;
  color: var(--text-white);
}

/* ============================================
   Website Traffic Stats
   ============================================ */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-card {
  background: hsl(0, 0%, 5%);
  border: 1px solid var(--border-light);
  border-radius: 0.5rem;
  padding: 1.5rem;
  transition: border-color var(--transition-fast);
}

.stat-card:hover {
  border-color: hsla(0, 0%, 100%, 0.2);
}

.stat-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.stat-card-header .icon {
  color: var(--text-gray-400);
}

.stat-badge {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--green-400);
  background: var(--green-bg);
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
}

.stat-card-value {
  font-size: 1.875rem;
  font-weight: 600;
  color: var(--text-white);
  margin-bottom: 0.25rem;
}

.stat-card-label {
  font-size: 0.875rem;
  color: var(--text-gray-400);
}

.stats-note {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-gray-500);
  margin-top: 2rem;
}

/* ============================================
   Safety Guarantee
   ============================================ */
.guarantee-content {
  max-width: 56rem;
  margin: 0 auto 3rem;
}

.guarantee-content p {
  color: var(--text-white);
  margin-bottom: 1.5rem;
}

.guarantee-list {
  list-style: decimal inside;
  margin-bottom: 1.5rem;
}

.guarantee-list li {
  color: var(--text-white);
  padding: 0.25rem 0;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  border: 2px solid hsla(0, 0%, 100%, 0.3);
  border-radius: 0.75rem;
  padding: 2rem;
  transition: border-color var(--transition-fast);
}

.feature-card:hover {
  border-color: hsla(0, 0%, 100%, 0.6);
}

.feature-icon {
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  background: hsla(0, 0%, 100%, 0.1);
  border: 2px solid hsla(0, 0%, 100%, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.feature-icon .icon-lg {
  color: var(--text-white);
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-white);
  margin-bottom: 0.75rem;
}

.feature-desc {
  font-size: 0.875rem;
  color: var(--text-gray-400);
  line-height: 1.6;
}

/* ============================================
   Traffic Services / Pricing
   ============================================ */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.pricing-card {
  position: relative;
  background: hsl(220, 30%, 15%);
  border: 2px solid var(--border-cyan);
  border-radius: 0.75rem;
  padding: 2rem;
  transition: border-color var(--transition-fast);
}

.pricing-card:hover {
  border-color: var(--border-cyan-hover);
}

.pricing-card-popular {
  border-color: var(--cyan-400);
}

.popular-badge {
  position: absolute;
  top: -0.75rem;
  right: 1.5rem;
  background: var(--yellow-400);
  color: var(--bg-slate);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.25rem 1rem;
  border-radius: 9999px;
}

.pricing-icon {
  width: 5rem;
  height: 5rem;
  border-radius: 50%;
  border: 2px solid hsla(185, 70%, 40%, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

.pricing-icon .icon-xl {
  color: var(--cyan-400);
}

.pricing-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 1rem;
}

.pricing-desc {
  font-size: 0.875rem;
  color: var(--text-gray-400);
  margin-bottom: 1.5rem;
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-gray-300);
  font-size: 0.875rem;
}

/* ============================================
   How It Works
   ============================================ */
.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.step-item {
  text-align: center;
}

.step-number {
  font-size: 3.5rem;
  font-weight: 700;
  color: hsla(185, 70%, 40%, 0.2);
  margin-bottom: 1rem;
}

.step-icon {
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  background: hsla(185, 70%, 40%, 0.1);
  border: 2px solid hsla(185, 70%, 40%, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

.step-icon .icon-lg {
  color: var(--cyan-400);
}

.step-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-white);
  margin-bottom: 0.75rem;
}

.step-desc {
  font-size: 0.875rem;
  color: var(--text-gray-400);
  max-width: 20rem;
  margin: 0 auto;
}

/* ============================================
   Contact Section
   ============================================ */
.contact-inner {
  max-width: 72rem;
  margin: 0 auto;
}

.contact-headline {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--text-white);
  letter-spacing: -0.01em;
  margin-bottom: 2rem;
}

.contact-text {
  max-width: 56rem;
  margin: 0 auto 3rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-text p {
  color: hsl(210, 20%, 70%);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.contact-features {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-feature {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
  border-radius: 0.75rem;
  border: 1px solid var(--cyan-500);
  background: var(--bg-card);
  transition: background var(--transition-fast);
}

.contact-feature:hover {
  background: hsl(220, 30%, 18%);
}

.contact-feature-icon {
  width: 3rem;
  height: 3rem;
  border-radius: 0.5rem;
  background: hsla(185, 70%, 40%, 0.2);
  border: 1px solid hsla(185, 70%, 40%, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-feature-icon .icon {
  color: var(--cyan-400);
}

.contact-feature span {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--text-white);
}

.contact-cards {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-card {
  padding: 1.5rem;
  border-radius: 0.75rem;
  border: 1px solid var(--cyan-500);
  background: var(--bg-card);
}

.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-card-icon {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-card-icon.telegram-icon,
.contact-card-icon.email-icon {
  background: var(--cyan-400);
}

.contact-card-icon .icon-lg {
  color: var(--bg-contact);
}

.contact-card-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-white);
  margin-bottom: 0.25rem;
}

.contact-card-content .recommended {
  color: var(--cyan-400);
}

.contact-card-content a {
  color: var(--cyan-400);
  display: block;
  margin-bottom: 0.5rem;
  transition: text-decoration var(--transition-fast);
}

.contact-card-content a:hover {
  text-decoration: underline;
}

.contact-card-content p {
  font-size: 0.875rem;
  color: hsl(210, 20%, 60%);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--bg-footer);
  border-top: 1px solid hsla(185, 70%, 40%, 0.2);
  padding: 3rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-logo .icon {
  color: var(--cyan-400);
  width: 1.5rem;
  height: 1.5rem;
}

.footer-logo span {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-white);
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--text-gray-400);
  line-height: 1.6;
}

.footer-links h3,
.footer-contact h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-white);
  margin-bottom: 1rem;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links li {
  font-size: 0.875rem;
  color: var(--text-gray-400);
}

.footer-contact-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-contact-links a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-gray-400);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.footer-contact-links a:hover {
  color: var(--cyan-400);
}

.footer-contact-icon {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: hsla(185, 70%, 40%, 0.1);
  border: 1px solid hsla(185, 70%, 40%, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-contact-icon .icon-sm {
  color: var(--cyan-400);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid hsl(0, 0%, 15%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-bottom p {
  font-size: 0.875rem;
  color: var(--text-gray-500);
}

.footer-tagline {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-gray-500);
}

.footer-dot {
  display: none;
}

@media (min-width: 768px) {
  .footer-dot {
    display: inline;
  }
}