:root {
  --color-background: #050A18;
  --color-foreground: hsl(210, 40%, 98%);
  --color-primary: hsl(238, 85%, 66%);
  --color-secondary: hsl(217, 32%, 17%);
  --color-muted: hsl(217, 32%, 17%);
  --color-muted-foreground: hsl(215, 20%, 65%);
  --color-border: hsl(217, 32%, 17%);
  --radius-base: 12px;
  --font-sans: "Inter", system-ui, -apple-system, sans-serif;
  --font-display: "DM Sans", var(--font-sans);
  --shadow-card: 0 20px 45px -18px rgba(15, 23, 42, 0.45);
  scroll-behavior: smooth;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--color-background);
}

.featured-video-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1; /* match video aspect */
  overflow: hidden;
  border-radius: 24px;
  background: #000; /* avoid transparent edges */
}

.featured-video-wrapper iframe,
.featured-video-wrapper .video-embed {
  position: absolute;
  top: 0;
  left: 50%;
  width: 177.78%; /* 16/9 to fully cover a 1/1 box */
  height: 100%;
  transform: translateX(-50%); /* center horizontally */
  border: none;
  display: block; /* remove default whitespace */
  border-radius: 24px; /* clip corners inside parent */
}


.video-main-embed {
    aspect-ratio: 16 / 9;
  border-radius: 24px;

  position: relative;
  top: 0;
  left: 0;
  height: 100%;
  border: none;
  border-radius: 24px;
  display: block; 
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--color-background);
  color: var(--color-foreground);
  min-height: 100vh;
}

/* Animazione loading */
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Stili per bottoni pricing (opzionale) */
.pricing-button {
  transition: all 0.2s ease;
  cursor: pointer;
}

.pricing-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.25);
}

.pricing-button:active {
  transform: translateY(0);
}

/* Stili per il modal email */
.email-modal-input:focus {
  outline: none;
  border-color: #6366f1 !important;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Responsive per mobile */
@media (max-width: 767px) {
  #email-modal > div {
    margin: 1rem;
    width: calc(100% - 2rem) !important;
  }
  
  .featured-video {
    height: 280px !important;
  }
}

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

a:hover {
  color: #fff;
}

img, video {
  max-width: 100%;
  display: block;
}

.container {
  width: min(1200px, 92vw);
  margin: 0 auto;
}

.gradient-text {
  background: linear-gradient(135deg, #6366f1, #8b5cf6, #d946ef);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(16px);
  background: rgba(10, 12, 25, 0.85);
  border-bottom: 1px solid rgba(99, 102, 241, 0.1);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 24px;
}

.logo-group {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  object-fit: contain;
}

.logo-text {
  font-size: 1.3rem;
  font-weight: 700;
  font-family: var(--font-display);
  letter-spacing: 0.02em;
}

.desktop-nav {
  display: none;
  align-items: center;
  gap: 32px;
  font-size: 0.95rem;
}

.desktop-nav a {
  color: rgba(226, 232, 240, 0.72);
  transition: color 0.2s ease;
}

.desktop-nav a:hover {
  color: #fff;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: var(--radius-base);
  font-weight: 600;
  padding: 0.65rem 1.4rem;
  background: rgba(99, 102, 241, 0.18);
  color: #fff;
  border: 1px solid rgba(99, 102, 241, 0.3);
  transition: transform 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.btn-primary {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.95), rgba(139, 92, 246, 0.95));
  border: none;
  box-shadow: 0 12px 30px -18px rgba(99, 102, 241, 0.9);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 45px -18px rgba(99, 102, 241, 0.85);
}

.btn-large {
  padding: 0.9rem 2rem;
  font-size: 1.05rem;
}

.btn-icon svg {
  width: 22px;
  height: 22px;
  display: block;
}

.arrow-icon svg {
  width: 18px;
  height: 18px;
}

.icon-button {
  background: rgba(15, 23, 42, 0.4);
  border: 1px solid rgba(99, 102, 241, 0.18);
  border-radius: 12px;
  padding: 0.5rem 0.65rem;
  color: inherit;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.icon-button .icon-close {
  display: none;
}

.mobile-menu {
  display: none;
  background: rgba(17, 24, 39, 0.98);
  border-top: 1px solid rgba(99, 102, 241, 0.18);
}

.mobile-menu nav {
  display: flex;
  flex-direction: column;
  padding: 1.25rem 1.5rem;
  gap: 1rem;
  font-size: 1rem;
}

.mobile-menu a {
  color: rgba(226, 232, 240, 0.9);
}

.mobile-menu .btn {
  margin: 0 1.5rem 1.5rem;
}

/* Hero */
.hero {
  padding: 7rem 0 3rem;
  position: relative;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.25), transparent 55%);
  z-index: -1;
  opacity: 0;
  animation: heroFadeIn 1.2s ease-out 0s forwards;
}

.hero-content {
  text-align: center;
  display: grid;
  gap: 1.65rem;
  max-width: 748px;
  margin: 0 auto;
}

/* Hero Animation Keyframes */
@keyframes heroFadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Hero Elements with Animation */
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 5.5vw, 4.95rem);
  line-height: 1.08;
  margin: 0;
  opacity: 0;
  animation: heroFadeInUp 0.8s ease-out 0.2s forwards;
}

.hero-description {
  color: rgba(226, 232, 240, 0.72);
  font-size: 1.3rem;
  line-height: 1.65;
  margin: 0 auto 0.55rem auto;
  opacity: 0;
  animation: heroFadeInUp 0.8s ease-out 0.6s forwards;
}

.hero-actions {
  margin-top: 1.65rem;
  opacity: 0;
  animation: heroFadeInUp 0.8s ease-out 1.0s forwards;
}

.hero-trust {
  display: grid;
  gap: 0.825rem;
  justify-items: center;
  margin-top: 2.75rem;
  opacity: 0;
  animation: heroFadeInUp 0.8s ease-out 1.4s forwards;
}

.trust-caption {
  font-size: 0.9rem;
  color: rgba(226, 232, 240, 0.66);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.trust-badge {
  height: 32px;
  opacity: 0.7;
  transition: opacity 0.2s ease;
}

.trust-badge:hover {
  opacity: 1;
}

/* Video Demo */
.video-demo {
  padding: 3rem 0;
  background: var(--color-background);
}

.section-heading {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 3rem;
}

.section-heading h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.2vw, 2.75rem);
  margin-bottom: 0.75rem;
}

.section-heading p {
  color: rgba(226, 232, 240, 0.68);
  font-size: 1.05rem;
  line-height: 1.6;
  margin: 0;
}

.video-grid {
  display: grid;
  gap: 2.5rem;
}

.main-video {
  display: grid;
  gap: 1.5rem;
}

.featured-video {
  width: 100%;
  height: 400px;
  border-radius: 24px;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(99, 102, 241, 0.22);
  background: #000;
}

/* Hide video controls for main video */
.main-video .featured-video::-webkit-media-controls {
  display: none !important;
}

.main-video .featured-video::-webkit-media-controls-panel {
  display: none !important;
}

.main-video .featured-video::-webkit-media-controls-play-button {
  display: none !important;
}

.main-video .featured-video::-webkit-media-controls-timeline {
  display: none !important;
}

.main-video .featured-video::-webkit-media-controls-current-time-display {
  display: none !important;
}

.main-video .featured-video::-webkit-media-controls-time-remaining-display {
  display: none !important;
}

.main-video .featured-video::-webkit-media-controls-mute-button {
  display: none !important;
}

.main-video .featured-video::-webkit-media-controls-volume-slider {
  display: none !important;
}

.main-video .featured-video::-webkit-media-controls-fullscreen-button {
  display: none !important;
}

.main-video .featured-video {
  pointer-events: none;
}

.video-details {
  background: rgba(17, 24, 39, 0.9);
  border-radius: 20px;
  border: 1px solid rgba(99, 102, 241, 0.18);
  padding: 1.75rem;
  display: grid;
  gap: 0.75rem;
}

.video-details h3 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 600;
}

.video-meta {
  margin: 0;
  color: rgba(226, 232, 240, 0.6);
  font-size: 0.95rem;
}

.video-text {
  margin: 0;
  color: rgba(226, 232, 240, 0.75);
  line-height: 1.65;
  font-size: 0.98rem;
}

.chat-video video {
  width: 100%;
  border-radius: 24px;
  border: 1px solid rgba(99, 102, 241, 0.18);
  background: rgba(10, 12, 25, 0.9);
  box-shadow: var(--shadow-card);
}

/* Features */
.features {
  padding: 3rem 0;
}

.feature-grid {
  display: grid;
  gap: 4rem;
}

.feature-card {
  display: grid;
  gap: 2.5rem;
}

.feature-card.reverse {
  direction: rtl;
}

.feature-card.reverse > * {
  direction: ltr;
}

.feature-text {
  display: grid;
  gap: 1.25rem;
}

.feature-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: rgba(99, 102, 241, 0.14);
  color: rgba(99, 102, 241, 0.98);
  font-weight: 600;
  font-size: 0.95rem;
}

.feature-icon {
  font-size: 0.95rem;
}

.feature-text h3 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-family: var(--font-display);
}

.feature-text p {
  margin: 0;
  color: rgba(226, 232, 240, 0.72);
  font-size: 1.05rem;
  line-height: 1.7;
}

.feature-media {
  display: grid;
}

.video-card {
  border-radius: 24px;
  padding: 16px; /* uniform inner padding */
  background: rgba(17, 24, 39, 0.92);
  border: 1px solid rgba(99, 102, 241, 0.2);
  box-shadow: var(--shadow-card);
}

.video-card .featured-video-wrapper {
  border-radius: 24px;
}

.video-card .video-embed {
  border-radius: 24px;
}

.video-card video {
  border-radius: 24px;
  border: none;
}

/* CTA */
.cta-section {
  padding: 6rem 0;
  background:  var(--color-background);
}

.cta-content {
  text-align: center;
  display: grid;
  gap: 1.75rem;
  max-width: 640px;
  margin: 0 auto;
}

.cta-content h2 {
  margin: 0;
  font-size: clamp(2rem, 3.4vw, 2.8rem);
}

.cta-content p {
  margin: 0;
  color: rgba(226, 232, 240, 0.74);
  font-size: 1.1rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid rgba(99, 102, 241, 0.16);
  background: rgba(12, 15, 28, 0.92);
  padding: 4.5rem 0 3rem;
}

.footer-top {
  display: grid;
  gap: 3.5rem;
}

.footer-grid {
  display: grid;
  gap: 2.5rem;
}

.footer-column {
  display: grid;
  gap: 1rem;
}

.footer-column h3 {
  margin: 0;
  font-size: 1.05rem;
}

.footer-column p {
  margin: 0;
  color: rgba(226, 232, 240, 0.7);
  font-size: 0.95rem;
  line-height: 1.65;
}

.footer-column ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.75rem;
}

.footer-column a {
  color: rgba(226, 232, 240, 0.7);
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.footer-column a:hover {
  color: #fff;
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: rgba(99, 102, 241, 0.12);
  color: rgba(99, 102, 241, 0.9);
  transition: all 0.2s ease;
}

.social-links a:hover {
  background: rgba(99, 102, 241, 0.2);
  color: #fff;
  transform: translateY(-2px);
}

.social-links svg {
  width: 20px;
  height: 20px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid rgba(99, 102, 241, 0.12);
  font-size: 0.9rem;
  color: rgba(226, 232, 240, 0.6);
}

.footer-badge {
  height: 28px;
  opacity: 0.6;
}

/* Mobile menu states */
.mobile-menu.is-open {
  display: block;
}

.mobile-toggle[aria-expanded="true"] .icon-menu {
  display: none;
}

.mobile-toggle[aria-expanded="true"] .icon-close {
  display: block;
}

.mobile-toggle .icon svg {
  width: 20px;
  height: 20px;
}

.no-scroll {
  overflow: hidden;
}

/* Responsive Design */
@media (min-width: 768px) {
  .desktop-nav {
    display: flex;
  }
  
  .mobile-toggle {
    display: none;
  }
  
  .video-grid {
    grid-template-columns: 2fr 1fr;
    align-items: start;
  }
  
  .featured-video {
    height: 450px;
  }
  
  .feature-card {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
  
  .footer-grid {
    grid-template-columns: 2fr repeat(3, 1fr);
  }
  
  .footer-bottom {
    flex-direction: row;
  }
}

@media (min-width: 1024px) {
  .container {
    width: min(1200px, 90vw);
  }
  
  .hero {
    padding: 8rem 0 4rem;
  }
  
  .video-demo,
  .features {
    padding: 4rem 0;
  }
  
  .cta-section {
    padding: 7rem 0;
  }
}