/* AVIZIFY v9 — System Design based on RespaldoV1 & Mobile-First Polish */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
  /* Tema Oscuro Principal */
  --bg: #1F1E1C;
  --fg: #E8E6E1;
  --muted: rgba(232, 230, 225, 0.70);
  --dim: rgba(232, 230, 225, 0.48);
  --faint: rgba(232, 230, 225, 0.32);
  --line: rgba(255, 255, 255, 0.12);
  --line-soft: rgba(255, 255, 255, 0.07);
  --grid-line: rgba(255, 255, 255, 0.05);
  --surface: rgba(255, 255, 255, 0.035);
  --surface-2: rgba(255, 255, 255, 0.015);
  --surface-3: #2A2926;
  --tarjeta: #252421;
  --nav: rgba(31, 30, 28, 0.85);
  --accent: #2FA968;
  --accent-txt: #86D9AC;
  --militar: #123B26;
  --ambar: #E08C46;
  --ambar-bg: rgba(224, 140, 70, 0.12);
  --btn-bg: linear-gradient(180deg, #35B871, #2A9A5E);
  --btn-fg: #0E211A;
  --btn-hover: #86D9AC;
  --glow-a: rgba(47, 169, 104, 0.20);
  --glow-b: rgba(18, 59, 38, 0.55);
  --glow-c: rgba(255, 255, 255, 0.03);
  --bar-cold: #57544E;
  --pista: rgba(255, 255, 255, 0.10);

  /* Typography Fonts */
  --font-main: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

[data-theme="light"], html[data-tema="light"] {
  --bg: #FAF9F7;
  --fg: #191917;
  --muted: rgba(25, 25, 23, 0.72);
  --dim: rgba(25, 25, 23, 0.50);
  --faint: rgba(25, 25, 23, 0.34);
  --line: rgba(0, 0, 0, 0.13);
  --line-soft: rgba(0, 0, 0, 0.08);
  --grid-line: rgba(0, 0, 0, 0.05);
  --surface: #FFFFFF;
  --surface-2: rgba(0, 0, 0, 0.016);
  --surface-3: #FFFFFF;
  --tarjeta: #FFFFFF;
  --nav: rgba(250, 249, 247, 0.88);
  --accent: #1B7F4B;
  --accent-txt: #14603A;
  --militar: #0F3D26;
  --ambar: #C8641E;
  --ambar-bg: rgba(200, 100, 30, 0.09);
  --btn-bg: linear-gradient(180deg, #22935A, #1B7F4B);
  --btn-fg: #FFFFFF;
  --btn-hover: #14603A;
  --glow-a: rgba(27, 127, 75, 0.10);
  --glow-b: rgba(27, 127, 75, 0.05);
  --glow-c: rgba(0, 0, 0, 0.025);
  --bar-cold: #CBC8C2;
  --pista: rgba(0, 0, 0, 0.10);
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  overflow-x: hidden;
  transition: background 0.3s ease, color 0.3s ease;
  font-size: 1.1rem;
  line-height: 1.6;
}

::selection {
  background: rgba(47, 169, 104, 0.32);
}

a {
  color: var(--fg);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--accent-txt);
}

/* Headings with proper responsive sizing */
h1, h2, h3, h4 {
  font-family: var(--font-main);
  font-weight: 500;
  color: var(--fg);
  letter-spacing: -0.035em;
  line-height: 1.1;
  word-break: break-word;
}

h1 {
  font-size: clamp(32px, 7.5vw, 92px);
  line-height: 1.05;
}

h2 {
  font-size: clamp(26px, 5.5vw, 48px);
  line-height: 1.12;
}

h3 {
  font-size: clamp(19px, 4vw, 26px);
  line-height: 1.25;
}

p {
  color: var(--muted);
  line-height: 1.6;
}

p.lead {
  font-size: clamp(17px, 3.8vw, 22px);
  line-height: 1.5;
  color: var(--fg);
}

/* Mono labels & tags */
.mono-tag {
  font-family: var(--font-mono);
  font-size: clamp(11px, 2.5vw, 12px);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-txt);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 1.25rem;
}

.mono-tag-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  animation: blink 2.4s ease-in-out infinite;
  display: inline-block;
  flex: none;
}

.mono-num {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--dim);
  letter-spacing: 0.08em;
  line-height: 1.5;
}

/* Container */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 40px);
  width: 100%;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px clamp(16px, 4vw, 40px);
  background: var(--nav);
  backdrop-filter: blur(22px) saturate(150%);
  -webkit-backdrop-filter: blur(22px) saturate(150%);
  border-bottom: 1px solid var(--line-soft);
}

.brand-logo-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-logo-img {
  height: clamp(24px, 4vw, 32px);
  width: auto;
  display: block;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dim);
  list-style: none;
}

.nav-menu a {
  color: inherit;
}

.nav-menu a:hover, .nav-menu a.active {
  color: var(--fg);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dim);
  padding: 9px 13px;
  border: 1px solid var(--line);
  background: var(--surface);
  cursor: pointer;
  transition: all 0.15s ease;
  min-height: 40px;
}

.theme-toggle-btn:hover {
  color: var(--fg);
  border-color: var(--accent);
}

.theme-toggle-btn .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

/* Buttons */
.btn-primary {
  font-family: var(--font-main);
  font-size: 17px;
  font-weight: 500;
  padding: 16px 32px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  border-radius: 2px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.15s ease;
  text-decoration: none;
  min-height: 50px;
}

.btn-primary:hover {
  background: var(--btn-hover);
  color: #0E211A;
}

.btn-secondary {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--line);
  padding-bottom: 4px;
  color: var(--fg);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
}

.btn-secondary:hover {
  border-color: var(--accent-txt);
  color: var(--accent-txt);
}

/* Mobile Menu Toggle & Modal */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0 11px;
  border: 1px solid var(--line);
  background: var(--surface);
  cursor: pointer;
}

.mobile-menu-btn span {
  display: block;
  height: 1.5px;
  background: var(--fg);
}

.mobile-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 90;
  background: var(--bg);
  flex-direction: column;
  padding: 16px clamp(16px, 4vw, 40px) 40px;
  animation: rise 0.25s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.mobile-modal.active {
  display: flex;
}

.mobile-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line-soft);
}

.mobile-modal-links {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 24px;
  font-family: var(--font-main);
  font-size: 24px;
  letter-spacing: -0.02em;
}

.mobile-modal-links a {
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
  color: var(--fg);
}

/* Background Glow Effect */
.glow-bg {
  position: absolute;
  inset: -20% -10% 0;
  background: radial-gradient(58% 62% at 18% 8%, var(--glow-a), transparent 62%),
              radial-gradient(46% 52% at 84% 18%, var(--glow-b), transparent 64%),
              radial-gradient(60% 60% at 62% 104%, var(--glow-c), transparent 66%);
  filter: blur(24px);
  animation: drift 26s ease-in-out infinite;
  pointer-events: none;
}

/* Grid Mesh Pattern */
.grid-mesh {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--grid-line) 1px, transparent 1px),
                    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: radial-gradient(75% 70% at 50% 35%, #000 20%, transparent 80%);
  -webkit-mask-image: radial-gradient(75% 70% at 50% 35%, #000 20%, transparent 80%);
  pointer-events: none;
}

/* HERO SECTION WITH SPACIOUS AIR & ROOM */
header.full-hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(80px, 14vw, 150px) clamp(16px, 4vw, 40px) clamp(60px, 10vw, 100px);
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}

.hero-subtext {
  font-size: clamp(18px, 4vw, 24px);
  line-height: 1.5;
  color: var(--muted);
  margin-top: 28px;
  max-width: 44ch;
}

.hero-actions-wrapper {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px 32px;
  margin-top: 48px;
}

.hero-image-box {
  margin-top: clamp(48px, 8vw, 80px);
  border: 1px solid var(--line);
  aspect-ratio: 16 / 9;
  width: 100%;
  overflow: hidden;
}

.hero-image-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Section styling with generous spacing */
section {
  position: relative;
  padding: clamp(80px, 12vw, 140px) clamp(16px, 4vw, 40px);
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}

/* RespaldoV1 Sharp Border Cards */
.grid-card-wrapper {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.grid-card {
  background: var(--surface);
  padding: clamp(26px, 4vw, 36px) clamp(20px, 3vw, 28px);
}

.grid-card-dark {
  background: var(--surface-3);
  padding: clamp(26px, 4vw, 36px) clamp(20px, 3vw, 28px);
}

/* Graphic 40/60 */
.graph-container {
  background: var(--surface-3);
  border: 1px solid var(--line);
  padding: clamp(24px, 5vw, 44px);
  margin-top: 36px;
}

.bar-wrapper {
  height: 48px;
  width: 100%;
  background: var(--bg);
  border-radius: 2px;
  display: flex;
  overflow: hidden;
  margin-bottom: 2rem;
  border: 1px solid var(--line);
}

.bar-40 {
  width: 0%;
  background-color: var(--bar-cold);
  color: #E8E6E1;
  display: flex;
  align-items: center;
  padding: 0 1rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  transition: width 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.bar-60 {
  width: 0%;
  background-color: var(--accent);
  color: var(--btn-fg);
  display: flex;
  align-items: center;
  padding: 0 1rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  transition: width 1s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Case Block from RespaldoV1 */
.case-card-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.case-card-left {
  position: relative;
  background: var(--surface);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  padding: clamp(28px, 5vw, 54px) clamp(20px, 4vw, 48px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 34px;
}

.case-card-right {
  background: var(--surface-2);
  padding: clamp(28px, 5vw, 54px) clamp(20px, 4vw, 48px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 30px;
}

/* Quiz / Conversational Form from RespaldoV1 */
.quiz-box {
  max-width: 640px;
  margin: 0 auto;
  background: var(--surface-3);
  border: 1px solid var(--line);
  padding: clamp(24px, 5vw, 48px);
}

.quiz-option-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  text-align: left;
  font-family: var(--font-main);
  font-size: clamp(15px, 3.7vw, 16.5px);
  line-height: 1.35;
  color: var(--fg);
  padding: 15px 18px;
  min-height: 52px;
  border: 1px solid var(--line);
  background: var(--surface);
  cursor: pointer;
  transition: all 0.15s ease;
}

.quiz-option-btn:hover, .quiz-option-btn.selected {
  border-color: var(--accent);
  background: var(--surface-3);
}

.input-field-underlined {
  width: 100%;
  font-family: var(--font-main);
  font-size: clamp(18px, 4.2vw, 24px);
  letter-spacing: -0.02em;
  color: var(--fg);
  background: none;
  border: 0;
  border-bottom: 1px solid var(--line);
  padding: 14px 4px;
  outline: none;
}

.input-field-underlined:focus {
  border-color: var(--accent);
}

/* NFC Card from RespaldoV1 Tarjeta Angel */
.nfc-wrapper {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 18px clamp(14px, 5vw, 24px) 34px;
  background: var(--bg);
}

.nfc-card-box {
  width: 100%;
  max-width: 420px;
  background: var(--tarjeta);
  border: 1px solid var(--line);
}

.nfc-header-bg {
  display: flex;
  align-items: center;
  gap: clamp(14px, 4vw, 20px);
  background: var(--militar);
  padding: clamp(20px, 5vw, 26px) clamp(18px, 5vw, 26px);
}

.nfc-avatar-img {
  display: block;
  flex: none;
  width: clamp(84px, 24vw, 104px);
  height: clamp(84px, 24vw, 104px);
  border-radius: 50%;
  object-fit: cover;
  object-position: 50% 18%;
  filter: grayscale(1) contrast(1.06);
  border: 1px solid rgba(134, 217, 172, 0.34);
}

.nfc-action-btn {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 15px 17px;
  min-height: 56px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--fg);
  font-family: var(--font-main);
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  width: 100%;
  text-decoration: none;
  transition: all 0.15s ease;
}

.nfc-action-btn:hover {
  border-color: var(--accent);
  color: var(--fg);
}

/* Sticky Bottom Bar in Mobile */
.sticky-bottom-bar {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 70;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  background: var(--nav);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border-top: 1px solid var(--line);
}

/* Footer */
footer {
  border-top: 1px solid var(--line-soft);
  padding: clamp(40px, 8vw, 60px) clamp(16px, 4vw, 40px) 44px;
}

.footer-inner {
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px 40px;
  flex-wrap: wrap;
}

/* Animations */
@keyframes drift {
  0% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(-2%, 1.5%, 0) scale(1.06); }
  100% { transform: translate3d(0, 0, 0) scale(1); }
}

@keyframes rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: none; }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.25; }
}

.fade-up {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

/* STRICT MOBILE RESPONSIVE FIXES */
@media (max-width: 1060px) {
  .nav-menu, .nav-actions .btn-primary {
    display: none;
  }
  .mobile-menu-btn {
    display: flex;
  }
}

@media (max-width: 768px) {
  section {
    padding: 60px 16px;
  }

  header.full-hero {
    padding: 80px 16px 50px 16px;
    min-height: auto;
  }

  .grid-card-wrapper {
    grid-template-columns: 1fr !important;
  }

  .case-card-container {
    grid-template-columns: 1fr !important;
  }

  .hero-actions-wrapper {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
  }

  .hero-actions-wrapper .btn-primary,
  .hero-actions-wrapper .btn-secondary {
    width: 100%;
    justify-content: center;
  }

  .number-card-grid .grid-card {
    grid-template-columns: 1fr !important;
    gap: 4px !important;
  }

  .graph-container {
    padding: 18px 14px;
  }
}

/* UI WINDOW MOCKUP & ELEGANT IMAGE FRAMING */
.window-mockup {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--surface-3);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.22);
  margin-top: clamp(20px, 4vw, 36px);
  width: 100%;
}

.window-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 14px;
  background: var(--surface);
  border-bottom: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.window-dots {
  display: flex;
  align-items: center;
  gap: 6px;
}

.window-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--line);
  display: inline-block;
}

.window-dot:nth-child(1) { background: rgba(239, 68, 68, 0.65); }
.window-dot:nth-child(2) { background: rgba(245, 158, 11, 0.65); }
.window-dot:nth-child(3) { background: rgba(34, 197, 94, 0.65); }

.img-framed {
  width: 100%;
  display: block;
  object-fit: cover;
  filter: brightness(0.88) contrast(1.02);
  transition: filter 0.3s ease;
}

.img-framed:hover {
  filter: brightness(0.96) contrast(1.03);
}

.img-hero-frame {
  max-height: clamp(220px, 32vw, 340px);
}

.img-symptom-frame {
  max-height: clamp(180px, 26vw, 260px);
}

.img-case-frame {
  max-height: clamp(160px, 20vw, 220px);
}