/* ==========================================================================
   DESIGN SYSTEM & VARIABLES
   ========================================================================== */
:root {
  /* Color Palette */
  --bg-dark: #090a0f;
  --bg-card: #12141c;
  --bg-card-hover: #181b26;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(255, 255, 255, 0.16);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --accent-primary: #3b82f6; /* Electric Blue */
  --accent-secondary: #10b981; /* Vibrant Mint */
  --accent-gradient: linear-gradient(135deg, #3b82f6 0%, #10b981 100%);
  --accent-glow: rgba(59, 130, 246, 0.15);
  
  /* Fonts */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: 'Space Grotesk', sans-serif;
  
  /* Transitions */
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s ease;
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* ==========================================================================
   PREMIUM BACKGROUND EFFECTS
   ========================================================================== */
.glow-container {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.glow-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  opacity: 0.15;
  mix-blend-mode: screen;
}

.blob-1 {
  top: -10%;
  right: 10%;
  width: 500px;
  height: 500px;
  background: var(--accent-primary);
  animation: float 20s infinite alternate;
}

.blob-2 {
  top: 30%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: var(--accent-secondary);
  animation: float 25s infinite alternate-reverse;
}

.blob-3 {
  bottom: -10%;
  right: 15%;
  width: 450px;
  height: 450px;
  background: var(--accent-primary);
  animation: float 18s infinite alternate;
}

@keyframes float {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(50px, 30px) scale(1.1); }
}

.grid-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: center top;
  pointer-events: none;
  z-index: 1;
}

/* ==========================================================================
   LAYOUT CONTAINERS
   ========================================================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}

/* ==========================================================================
   TYPOGRAPHY & UTILITIES
   ========================================================================== */
.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
  display: inline-block;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 100px;
  padding: 6px 14px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent-gradient);
  color: #ffffff;
  font-weight: 600;
  border: none;
  border-radius: 12px;
  padding: 14px 28px;
  cursor: pointer;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.2);
  text-decoration: none;
  font-family: var(--font-sans);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-primary.btn-sm {
  padding: 10px 18px;
  font-size: 0.875rem;
  border-radius: 8px;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-weight: 500;
  border-radius: 12px;
  padding: 14px 28px;
  cursor: pointer;
  transition: var(--transition-smooth);
  text-decoration: none;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--border-color-hover);
  color: #ffffff;
}

.btn-secondary:hover .arrow-down-icon {
  transform: translateY(3px);
}

.arrow-down-icon {
  transition: var(--transition-smooth);
}

/* ==========================================================================
   HEADER
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  z-index: 100;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  background: rgba(9, 10, 15, 0.7);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  transition: var(--transition-fast);
}

.logo:hover {
  opacity: 0.95;
}

.logo-accent {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-right: 4px;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  min-height: calc(100vh - 80px);
  margin-top: 80px;
  display: flex;
  align-items: center;
  position: relative;
  z-index: 2;
  padding: 60px 0;
}

.hero-content {
  text-align: center;
  max-width: 800px;
}

.hero-title {
  font-family: var(--font-sans);
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 4.5rem;
  }
}

.hero-subtitle {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 40px auto;
}

@media (min-width: 768px) {
  .hero-subtitle {
    font-size: 1.35rem;
  }
}

/* ==========================================================================
   PORTFOLIO SECTION
   ========================================================================== */
.portfolio-section {
  padding: 100px 0;
  position: relative;
  z-index: 2;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 60px auto;
}

.section-title {
  font-family: var(--font-sans);
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.products-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

/* Product Card */
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 40px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

@media (min-width: 992px) {
  .product-card {
    grid-template-columns: 1.1fr 0.9fr;
    padding: 60px;
  }
}

.product-card:hover {
  border-color: var(--border-color-hover);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4), 0 0 40px rgba(59, 130, 246, 0.03);
  transform: translateY(-4px);
}

.product-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.product-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-secondary);
  background: rgba(16, 185, 129, 0.08);
  padding: 6px 12px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.status-indicator {
  width: 8px;
  height: 8px;
  background: var(--accent-secondary);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 8px var(--accent-secondary);
}

.product-name {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.product-description {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.product-cta {
  width: 100%;
}

@media (min-width: 576px) {
  .product-cta {
    width: auto;
  }
}

.arrow-right-icon {
  transition: var(--transition-fast);
}

.product-cta:hover .arrow-right-icon {
  transform: translateX(4px);
}

/* Phone Mockup */
.product-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  perspective: 1000px;
}

.phone-mockup {
  width: 270px;
  height: 480px;
  background: #000000;
  border: 10px solid #1e293b;
  border-radius: 40px;
  position: relative;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8);
  overflow: hidden;
  transition: var(--transition-smooth);
}

.product-card:hover .phone-mockup {
  transform: rotateY(-8deg) rotateX(4deg) rotateZ(-1deg) translateY(-5px);
  box-shadow: -15px 25px 50px -10px rgba(0, 0, 0, 0.9);
}

.phone-speaker {
  width: 50px;
  height: 4px;
  background: #334155;
  border-radius: 2px;
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: #0d0e12;
  padding: 30px 20px 20px 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.phone-call-header {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  justify-content: center;
}

.call-dot {
  width: 6px;
  height: 6px;
  background: #ef4444;
  border-radius: 50%;
}

.phone-call-info {
  text-align: center;
  margin-top: 40px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.phone-avatar {
  width: 70px;
  height: 70px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--accent-primary);
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.05);
}

.phone-icon-svg {
  animation: phone-wiggle 3s infinite ease-in-out;
}

@keyframes phone-wiggle {
  0%, 100% { transform: rotate(0); }
  5% { transform: rotate(-10deg); }
  10% { transform: rotate(12deg); }
  15% { transform: rotate(-10deg); }
  20% { transform: rotate(8deg); }
  25% { transform: rotate(-5deg); }
  30% { transform: rotate(0); }
}

.phone-number {
  font-family: var(--font-display);
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
  white-space: nowrap;
}

.phone-status-text {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.phone-waveforms {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  height: 40px;
  margin-bottom: 20px;
}

.bar {
  width: 3px;
  background: var(--accent-gradient);
  border-radius: 3px;
  animation: wave 1.2s ease-in-out infinite alternate;
}

.bar-1 { height: 10px; animation-delay: 0.1s; }
.bar-2 { height: 25px; animation-delay: 0.3s; }
.bar-3 { height: 40px; animation-delay: 0.5s; }
.bar-4 { height: 18px; animation-delay: 0.2s; }
.bar-5 { height: 28px; animation-delay: 0.4s; }

@keyframes wave {
  0% { transform: scaleY(0.3); }
  100% { transform: scaleY(1); }
}

/* ==========================================================================
   JOIN / NEWSLETTER SECTION
   ========================================================================== */
.join-section {
  padding: 80px 0 120px 0;
  position: relative;
  z-index: 2;
}

.join-card {
  background: radial-gradient(circle at top right, rgba(59, 130, 246, 0.08) 0%, transparent 60%), var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 32px;
  padding: 60px 24px;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

@media (min-width: 768px) {
  .join-card {
    padding: 80px 60px;
  }
}

.join-title {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

@media (min-width: 768px) {
  .join-title {
    font-size: 2.75rem;
  }
}

.join-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto 40px auto;
  line-height: 1.5;
}

.signup-form {
  max-width: 540px;
  margin: 0 auto;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-color);
  padding: 6px;
  border-radius: 16px;
  transition: var(--transition-smooth);
}

@media (min-width: 576px) {
  .form-group {
    flex-direction: row;
    border-radius: 100px;
  }
}

.form-group:focus-within {
  border-color: rgba(59, 130, 246, 0.5);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
  background: rgba(0, 0, 0, 0.4);
}

.form-input {
  flex-grow: 1;
  background: transparent;
  border: none;
  padding: 14px 20px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 1rem;
  outline: none;
  width: 100%;
}

.form-input::placeholder {
  color: var(--text-muted);
}

.btn-submit {
  border-radius: 12px;
  width: 100%;
  position: relative;
  white-space: nowrap;
}

@media (min-width: 576px) {
  .btn-submit {
    border-radius: 100px;
    width: auto;
    padding: 14px 36px;
  }
}

/* Spinner Styles */
.btn-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #ffffff;
  animation: spin 0.8s linear infinite;
  margin-left: 8px;
  vertical-align: middle;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.hidden {
  display: none !important;
}

/* Message styling */
.form-message {
  margin-top: 16px;
  font-size: 0.9rem;
  border-radius: 8px;
  padding: 10px 16px;
  display: inline-block;
}

.form-message.success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-secondary);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.form-message.error {
  background: rgba(239, 68, 68, 0.1);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.2);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 40px 0;
  position: relative;
  z-index: 2;
  background: rgba(9, 10, 15, 0.9);
}

.footer-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
}

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

.footer-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  color: var(--text-muted);
}

.footer-right {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

@media (min-width: 576px) {
  .footer-right {
    flex-direction: row;
    gap: 24px;
  }
}

.footer-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  transition: var(--transition-fast);
}

.footer-link:hover {
  color: var(--text-secondary);
}