/* landing.css - Familly Landing Page Design System */
:root {
  --color-primary: #e85d3a;
  --color-primary-light: #f07b5e;
  --color-primary-dark: #b84325;
  --color-primary-glow: rgba(232, 93, 58, 0.25);
  --color-primary-soft: rgba(232, 93, 58, 0.12);
  --color-border-glow: rgba(232, 93, 58, 0.22);
  
  --color-bg-start: #1a0f0a;
  --color-bg-mid: #241210;
  --color-bg-end: #0d0806;
  --color-card-bg: rgba(36, 18, 16, 0.65);
  --color-card-border: rgba(232, 93, 58, 0.15);
  --color-card-hover: rgba(50, 24, 21, 0.85);

  --color-text-main: #f0d5cc;
  --color-text-secondary: #c4a89e;
  --color-text-muted: #8c736a;
  --color-success: #4ade80;
  --color-error: #f87171;

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --max-width: 1140px;
  --header-height: 80px;
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-family);
  background-color: var(--color-bg-end);
  color: var(--color-text-main);
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  background: 
    radial-gradient(circle at 50% 0%, rgba(232, 93, 58, 0.18) 0%, transparent 60%),
    radial-gradient(circle at 85% 30%, rgba(240, 123, 94, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 15% 70%, rgba(184, 67, 37, 0.08) 0%, transparent 50%),
    linear-gradient(175deg, var(--color-bg-start) 0%, var(--color-bg-mid) 40%, var(--color-bg-end) 100%);
  background-attachment: fixed;
  overflow-x: hidden;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.2s ease;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================
   HEADER & NAVIGATION
========================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(26, 15, 10, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(232, 93, 58, 0.12);
  z-index: 1000;
  display: flex;
  align-items: center;
}

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

.brand-logo-group {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-logo-img {
  height: 100px;
  /*width: auto;*/
  max-width: 220px;
  object-fit: contain;
  border-radius: 6px;
  filter: drop-shadow(0 2px 10px var(--color-primary-glow));
  transition: transform 0.25s ease;
}

.brand-logo-img:hover {
  transform: scale(1.03);
}

.footer-logo-img {
  height: 44px;
}

.brand-title {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.5px;
  color: #ffffff;
}

.brand-title span {
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.nav-link:hover {
  color: #ffffff;
}

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

/* ==========================================
   LANGUAGE SWITCHER
========================================== */
.lang-switcher {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  background: rgba(36, 18, 16, 0.7);
  border: 1px solid rgba(232, 93, 58, 0.2);
  border-radius: 999px;
  padding: 3px 5px;
  backdrop-filter: blur(10px);
}

.lang-btn {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.5px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 999px;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  font-family: var(--font-family);
  line-height: 1;
}

.lang-btn:hover {
  color: #ffffff;
}

.lang-btn.active {
  color: #ffffff;
  background: var(--color-primary);
  box-shadow: 0 2px 8px var(--color-primary-glow);
  font-weight: 700;
}

.lang-divider {
  color: rgba(232, 93, 58, 0.3);
  font-size: 11px;
  user-select: none;
}

/* ==========================================
   BUTTONS
========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #ffffff;
  box-shadow: 0 4px 18px var(--color-primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(232, 93, 58, 0.4);
}

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

.btn-secondary {
  background: var(--color-card-bg);
  color: var(--color-text-main);
  border-color: var(--color-card-border);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: var(--color-card-hover);
  border-color: var(--color-primary);
  color: #ffffff;
}

.btn-nav {
  padding: 8px 18px;
  font-size: 14px;
}

/* ==========================================
   HERO SECTION
========================================== */
.hero {
  padding-top: calc(var(--header-height) + 60px);
  padding-bottom: 80px;
  position: relative;
  overflow: hidden;
}

.hero-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 48px;
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--color-primary-soft);
  border: 1px solid var(--color-border-glow);
  border-radius: 999px;
  color: var(--color-primary-light);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 24px;
}

.hero-headline {
  font-size: clamp(36px, 4.8vw, 56px);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -1.2px;
  color: #ffffff;
  margin-bottom: 20px;
}

.hero-headline .text-gradient {
  background: linear-gradient(135deg, #ffffff 0%, var(--color-primary-light) 65%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subheadline {
  font-size: clamp(17px, 2vw, 19px);
  font-weight: 300;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 36px;
  max-width: 540px;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Hero Sphere Visual */
.hero-visual-card {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 380px;
}

.sphere-glow-ambient {
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232, 93, 58, 0.35) 0%, rgba(232, 93, 58, 0.05) 60%, transparent 80%);
  filter: blur(40px);
  animation: pulseGlow 6s ease-in-out infinite alternate;
}

.sphere-display {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #f07b5e 0%, #e85d3a 40%, #7c2410 80%, #241210 100%);
  box-shadow: 
    0 0 50px rgba(232, 93, 58, 0.45),
    inset 0 0 35px rgba(255, 255, 255, 0.35),
    inset -10px -10px 40px rgba(0, 0, 0, 0.6);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: floatSphere 4s ease-in-out infinite alternate;
}

.sphere-inner-ring {
  position: absolute;
  width: 250px;
  height: 250px;
  border-radius: 50%;
  border: 1px dashed rgba(232, 93, 58, 0.35);
  animation: rotateRing 20s linear infinite;
}

.sphere-wave-pulse {
  position: absolute;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  border: 1px solid rgba(232, 93, 58, 0.2);
  animation: wavePulse 3s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

.speech-bubble-mock {
  position: absolute;
  bottom: 10px;
  right: -10px;
  background: rgba(36, 18, 16, 0.9);
  border: 1px solid var(--color-border-glow);
  padding: 14px 18px;
  border-radius: 16px;
  backdrop-filter: blur(16px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  max-width: 260px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.bubble-tag {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--color-primary-light);
  font-weight: 600;
}

.bubble-text {
  font-size: 13px;
  color: #ffffff;
  line-height: 1.4;
}

/* ==========================================
   SECTION COMMON STYLES
========================================== */
.section {
  padding: 90px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 660px;
  margin: 0 auto 56px auto;
}

.section-tag {
  display: inline-block;
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.8px;
  color: #ffffff;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ==========================================
   FEATURE SHOWCASE GRID
========================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: 20px;
  padding: 32px 26px;
  backdrop-filter: blur(16px);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-glow);
  background: var(--color-card-hover);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--color-primary-soft);
  border: 1px solid var(--color-border-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-light);
  margin-bottom: 6px;
}

.feature-title {
  font-size: 20px;
  font-weight: 600;
  color: #ffffff;
  letter-spacing: -0.3px;
}

.feature-description {
  font-size: 14.5px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  font-weight: 300;
}

/* ==========================================
   CHANGELOG / QUÉ HAY DE NUEVO
========================================== */
.changelog-container {
  max-width: 820px;
  margin: 0 auto;
  position: relative;
}

.changelog-timeline {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.changelog-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: 18px;
  padding: 24px 28px;
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 24px;
  align-items: start;
  backdrop-filter: blur(16px);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.changelog-card:hover {
  transform: translateX(4px);
  border-color: var(--color-border-glow);
}

.changelog-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.changelog-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 6px;
  background: var(--color-primary-soft);
  color: var(--color-primary-light);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  width: fit-content;
}

.changelog-date {
  font-size: 12px;
  color: var(--color-text-muted);
}

.changelog-content h4 {
  font-size: 17px;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 6px;
}

.changelog-content p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.5;
  font-weight: 300;
}

/* ==========================================
   BETA WAITLIST & NEWSLETTER
========================================== */
.waitlist-card {
  background: 
    radial-gradient(circle at 100% 0%, rgba(232, 93, 58, 0.2) 0%, transparent 50%),
    linear-gradient(145deg, rgba(36, 18, 16, 0.85) 0%, rgba(26, 15, 10, 0.95) 100%);
  border: 1px solid var(--color-border-glow);
  border-radius: 28px;
  padding: 60px 40px;
  text-align: center;
  max-width: 780px;
  margin: 0 auto;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(20px);
}

.waitlist-card .section-tag {
  margin-bottom: 8px;
}

.waitlist-headline {
  font-size: clamp(26px, 3.2vw, 36px);
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 14px;
  letter-spacing: -0.6px;
}

.waitlist-subheadline {
  font-size: 16px;
  color: var(--color-text-secondary);
  max-width: 520px;
  margin: 0 auto 32px auto;
  line-height: 1.6;
}

.waitlist-form {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.waitlist-input {
  flex: 1;
  min-width: 240px;
  padding: 14px 18px;
  background: rgba(13, 8, 6, 0.8);
  border: 1px solid rgba(232, 93, 58, 0.25);
  border-radius: 12px;
  color: #ffffff;
  font-size: 15px;
  font-family: var(--font-family);
  outline: none;
  transition: all 0.2s ease;
}

.waitlist-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(232, 93, 58, 0.2);
}

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

.waitlist-feedback {
  margin-top: 18px;
  font-size: 14px;
  min-height: 22px;
  transition: all 0.3s ease;
}

.waitlist-feedback.success {
  color: var(--color-success);
}

.waitlist-feedback.error {
  color: var(--color-error);
}

/* ==========================================
   FOOTER
========================================== */
.site-footer {
  border-top: 1px solid rgba(232, 93, 58, 0.12);
  padding: 50px 0 36px 0;
  background: rgba(13, 8, 6, 0.8);
  margin-top: 60px;
}

.footer-layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-brand-title {
  font-size: 18px;
  font-weight: 600;
  color: #ffffff;
}

.footer-brand-desc {
  font-size: 13.5px;
  color: var(--color-text-muted);
  max-width: 320px;
}

.footer-nav-list {
  display: flex;
  gap: 28px;
  list-style: none;
}

.footer-link {
  font-size: 14px;
  color: var(--color-text-secondary);
}

.footer-link:hover {
  color: var(--color-primary-light);
}

.footer-bottom {
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--color-text-muted);
  flex-wrap: wrap;
  gap: 16px;
}

/* ==========================================
   ANIMATIONS & KEYFRAMES
========================================== */
@keyframes floatSphere {
  0% { transform: translateY(0px) scale(1); }
  100% { transform: translateY(-12px) scale(1.02); }
}

@keyframes pulseGlow {
  0% { transform: scale(0.95); opacity: 0.6; }
  100% { transform: scale(1.15); opacity: 0.9; }
}

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

@keyframes wavePulse {
  0% { transform: scale(0.85); opacity: 0.8; }
  100% { transform: scale(1.3); opacity: 0; }
}

/* ==========================================
   RESPONSIVE DESIGN
========================================== */
@media (max-width: 900px) {
  .hero-layout {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .hero-subheadline {
    margin-left: auto;
    margin-right: auto;
  }

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

  .hero-visual-card {
    min-height: 320px;
  }

  .speech-bubble-mock {
    right: 50%;
    transform: translateX(50%);
    bottom: -15px;
  }

  .changelog-card {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

@media (max-width: 640px) {
  .footer-nav-list {
    flex-direction: column;
  }
  .nav-links {
    display: none;
  }

  .brand-logo-img {
    height: 50px;
  }
  .site-header {
    height: 70px;
  }

  .nav-actions {
    gap: 8px;
  }

  .btn-nav {
    padding: 6px 12px;
    font-size: 13px;
  }

  .brand-logo-img {
    height: 100px;
  }

  .brand-title {
    font-size: 20px;
  }

  .hero {
    padding-top: calc(64px + 36px);
  }

  .waitlist-card {
    padding: 40px 20px;
  }

  .waitlist-form {
    flex-direction: column;
    width: 100%;
  }

  .waitlist-input,
  .waitlist-form .btn {
    width: 100%;
  }

  .footer-layout {
    flex-direction: column;
    align-items: flex-start;
  }

}