/**
 * CyberSec Shield v2.0 — Component Styles (BEM)
 * All UI component styles organized by block.
 *
 * @author Sebastián Vargas Yañez — TTPSEC SpA
 * @version 2.0.0
 */

/* ======================================================
   NAVIGATION BAR — .nav
   ====================================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  background: rgba(2, 8, 16, 0.96);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border-subtle);
  padding: 0 var(--spacing-lg);
  height: 70px;
  display: none;
  align-items: center;
  justify-content: space-between;
}

.nav--active {
  display: flex;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-neon-cyan);
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: opacity var(--duration-fast) ease;
}

.nav__brand:hover {
  opacity: 0.85;
}

.nav__brand-icon {
  width: 28px;
  height: 32px;
}

.nav__brand-icon path {
  fill: none;
  stroke: var(--color-neon-cyan);
  stroke-width: 2.5;
}

.nav__brand-lock {
  fill: var(--color-neon-cyan);
}

.nav__tabs {
  display: flex;
  gap: 0.3rem;
}

.nav__tab {
  padding: var(--spacing-sm) 1.2rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-muted);
  background: transparent;
  transition: all var(--duration-fast) ease;
  letter-spacing: 0.03em;
}

.nav__tab:hover {
  color: var(--color-text-primary);
  background: rgba(0, 240, 255, 0.05);
}

.nav__tab--active {
  color: var(--color-neon-cyan);
  border-color: rgba(0, 240, 255, 0.2);
  background: rgba(0, 240, 255, 0.08);
}

.nav__back {
  padding: 0.4rem var(--spacing-md);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(0, 240, 255, 0.15);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-neon-cyan);
  background: transparent;
  transition: all var(--duration-fast) ease;
  letter-spacing: 0.1em;
}

.nav__back:hover {
  background: rgba(0, 240, 255, 0.08);
  border-color: rgba(0, 240, 255, 0.3);
}

/* ======================================================
   HERO SECTION — .hero
   ====================================================== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-xl);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 40%, rgba(0, 240, 255, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

/* Shield SVG */
.hero__shield {
  position: relative;
  width: 200px;
  height: 240px;
  margin-bottom: var(--spacing-lg);
  animation: fadeInDown 1s ease-out;
}

.hero__shield svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 0 30px rgba(0, 240, 255, 0.3));
}

.hero__shield-outline {
  fill: none;
  stroke: var(--color-neon-cyan);
  stroke-width: 2;
  stroke-dasharray: 800;
  stroke-dashoffset: 800;
  animation: drawShield 2.5s ease-out 0.5s forwards;
}

.hero__shield-lock {
  fill: var(--color-neon-cyan);
  opacity: 0;
  animation: showLock 0.5s ease-out 2.8s forwards;
}

/* Orbital animation */
.hero__orbital {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 260px;
  height: 260px;
  margin: -130px 0 0 -130px;
  animation: orbitSpin 12s linear infinite;
}

.hero__orbital-dot {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.hero__orbital-dot:nth-child(1) {
  top: 0;
  left: 50%;
  margin-left: -3px;
  background: var(--color-neon-cyan);
  box-shadow: 0 0 12px var(--color-neon-cyan);
}

.hero__orbital-dot:nth-child(2) {
  bottom: 0;
  left: 50%;
  margin-left: -3px;
  background: var(--color-neon-magenta);
  box-shadow: 0 0 12px var(--color-neon-magenta);
}

.hero__orbital-dot:nth-child(3) {
  top: 50%;
  right: 0;
  margin-top: -3px;
  background: var(--color-neon-green);
  box-shadow: 0 0 12px var(--color-neon-green);
}

/* Hero rings */
.hero__ring {
  position: absolute;
  width: 400px;
  height: 400px;
  border: 1px solid rgba(0, 240, 255, 0.06);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: heroRingSpin 40s linear infinite;
}

.hero__ring--secondary {
  width: 500px;
  height: 500px;
  animation-duration: 60s;
  animation-direction: reverse;
  border-color: rgba(255, 46, 170, 0.04);
}

/* Hero text elements */
.hero__badge {
  display: inline-block;
  padding: 0.3rem var(--spacing-md);
  border-radius: var(--radius-round);
  background: rgba(0, 240, 255, 0.06);
  border: 1px solid rgba(0, 240, 255, 0.15);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-neon-cyan);
  margin-bottom: var(--spacing-md);
  animation: fadeInDown 1s ease-out 0.3s both;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 4.5rem);
  font-weight: 900;
  letter-spacing: 0.08em;
  line-height: 1.1;
  margin-bottom: var(--spacing-sm);
  animation: fadeInDown 1s ease-out 0.5s both;
}

.hero__version {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-text-dim);
  letter-spacing: 0.15em;
  margin-bottom: 1.2rem;
  animation: fadeInDown 1s ease-out 0.7s both;
}

.hero__description {
  max-width: 650px;
  color: var(--color-text-muted);
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.8;
  margin-bottom: 2.5rem;
  animation: fadeInDown 1s ease-out 0.9s both;
}

/* ======================================================
   CTA BUTTON — .cta
   ====================================================== */
.cta {
  animation: fadeInUp 1s ease-out 1.1s both;
  margin-bottom: var(--spacing-xl);
}

.cta--secondary {
  text-align: center;
  margin: var(--spacing-xl) 0;
}

.cta__wrapper {
  position: relative;
  display: inline-block;
}

.cta__button {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: 1.2rem var(--spacing-2xl);
  border-radius: var(--radius-lg);
  font-family: var(--font-display);
  font-size: clamp(0.9rem, 2.5vw, 1.3rem);
  font-weight: 800;
  letter-spacing: 0.06em;
  color: #fff;
  text-transform: uppercase;
  background: linear-gradient(135deg, #0088ff 0%, #00f0ff 40%, #39ff14 100%);
  box-shadow:
    var(--shadow-glow-cyan),
    0 0 60px rgba(0, 136, 255, 0.2),
    0 8px 32px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
  transition: all var(--duration-normal) var(--ease-smooth);
  overflow: hidden;
  z-index: 1;
}

.cta__button::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #00f0ff 0%, #39ff14 40%, #ff2eaa 100%);
  opacity: 0;
  transition: opacity var(--duration-normal) ease;
  z-index: -1;
}

.cta__button:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow:
    0 0 50px rgba(0, 240, 255, 0.5),
    0 0 100px rgba(0, 136, 255, 0.3),
    0 12px 40px rgba(0, 0, 0, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.cta__button:hover::before {
  opacity: 1;
}

.cta__button:active {
  transform: translateY(-1px) scale(0.98);
}

.cta__button:focus-visible {
  outline: 2px solid var(--color-neon-cyan);
  outline-offset: 4px;
}

.cta__button--compact {
  font-size: clamp(0.8rem, 2vw, 1.1rem);
  padding: var(--spacing-md) 2.5rem;
}

.cta__icon {
  font-size: 1.8rem;
  animation: ctaPulse 2s ease-in-out infinite;
}

/* Glow ring */
.cta__glow {
  position: absolute;
  inset: -3px;
  border-radius: 19px;
  background: linear-gradient(135deg, var(--color-neon-cyan), var(--color-neon-green), var(--color-neon-magenta), var(--color-neon-cyan));
  background-size: 300% 300%;
  animation: glowRotate 3s linear infinite;
  z-index: -2;
  opacity: 0.6;
  filter: blur(4px);
}

/* Floating particles */
.cta__particles {
  position: absolute;
  inset: -40px;
  pointer-events: none;
  z-index: -3;
}

.cta__particle {
  position: absolute;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  animation: ctaFloat 4s ease-in-out infinite;
}

.cta__particle:nth-child(1) { left: 10%; top: 20%; background: var(--color-neon-cyan); animation-delay: 0s; }
.cta__particle:nth-child(2) { left: 90%; top: 30%; background: var(--color-neon-green); animation-delay: 0.5s; }
.cta__particle:nth-child(3) { left: 20%; top: 80%; background: var(--color-neon-magenta); animation-delay: 1s; }
.cta__particle:nth-child(4) { left: 80%; top: 70%; background: var(--color-neon-yellow); animation-delay: 1.5s; }
.cta__particle:nth-child(5) { left: 50%; top: 10%; background: var(--color-neon-cyan); animation-delay: 2s; }
.cta__particle:nth-child(6) { left: 30%; top: 50%; background: var(--color-neon-green); animation-delay: 2.5s; }

/* ======================================================
   TERMINAL BOX — .terminal
   ====================================================== */
.terminal {
  max-width: 520px;
  width: 100%;
  margin-bottom: var(--spacing-xl);
  background: rgba(0, 0, 0, 0.4);
  border-radius: var(--radius-md);
  border: 1px solid rgba(0, 240, 255, 0.08);
  overflow: hidden;
  animation: fadeInUp 1s ease-out 1.3s both;
}

.terminal__header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-sm);
  background: rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid rgba(0, 240, 255, 0.06);
}

.terminal__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.terminal__dot--red    { background: #ff5f57; }
.terminal__dot--yellow { background: #febc2e; }
.terminal__dot--green  { background: #28c840; }

.terminal__title {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  color: var(--color-text-dim);
  margin-left: var(--spacing-sm);
}

.terminal__body {
  padding: var(--spacing-sm) var(--spacing-md);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.terminal__cmd {
  color: var(--color-neon-green);
}

.terminal__output {
  color: var(--color-neon-cyan);
  opacity: 0.7;
}

.terminal__cursor {
  display: inline-block;
  width: 6px;
  height: 12px;
  background: var(--color-neon-green);
  margin-left: 2px;
  vertical-align: middle;
  animation: blink 1s step-end infinite;
}

/* ======================================================
   SCROLL INDICATOR — .scroll-indicator
   ====================================================== */
.scroll-indicator {
  animation: fadeInUp 1s ease-out 1.5s both;
  margin-top: var(--spacing-md);
}

.scroll-indicator__link {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--color-text-dim);
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition: color var(--duration-fast);
}

.scroll-indicator__link:hover {
  color: var(--color-neon-cyan);
}

.scroll-indicator__link:focus-visible {
  outline: 2px solid var(--color-neon-cyan);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

.scroll-indicator__arrow {
  font-size: 1.2rem;
  margin-top: 0.3rem;
  animation: scrollBounce 2s ease-in-out infinite;
}

/* ======================================================
   SECTIONS AREA — .sections
   ====================================================== */
.sections {
  padding: var(--spacing-xl) var(--spacing-lg) 4rem;
  max-width: 1200px;
  margin: 0 auto;
}

/* ======================================================
   SECTION TITLE — .section-title
   ====================================================== */
.section-title {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section-title h2 {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: 0.06em;
  margin-bottom: var(--spacing-sm);
}

.section-title p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ======================================================
   STATS BAR — .stats
   ====================================================== */
.stats {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-xl);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
  background: var(--color-bg-panel);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
}

.stats__item {
  text-align: center;
  min-width: 100px;
}

.stats__number {
  display: block;
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-neon-cyan), var(--color-neon-green));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stats__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  margin-top: 0.2rem;
}

/* ======================================================
   SECTIONS GRID — .sections-grid
   ====================================================== */
.sections-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

/* ======================================================
   SECTION CARD — .card
   ====================================================== */
.card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border-subtle);
  transition: all var(--duration-normal) var(--ease-smooth);
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-6px);
  border-color: var(--color-border-active);
  box-shadow: var(--shadow-card), 0 0 30px rgba(0, 240, 255, 0.08);
}

.card__glow {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  opacity: 0.7;
  transition: opacity var(--duration-normal);
}

.card:hover .card__glow {
  opacity: 1;
}

.card__header {
  padding: var(--spacing-xl) 1.8rem 1.2rem;
  text-align: center;
}

.card__icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
  display: block;
}

.card__number {
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  margin-bottom: var(--spacing-sm);
  display: block;
}

.card__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: var(--spacing-sm);
}

.card__description {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  font-weight: 300;
  line-height: 1.7;
}

.card__features {
  padding: 0 1.8rem var(--spacing-lg);
  flex: 1;
}

.card__feature {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: var(--spacing-sm);
}

.card__feature:last-child {
  margin-bottom: 0;
}

.card__check {
  color: var(--color-neon-green);
  font-size: 0.7rem;
  margin-top: 0.15rem;
  flex-shrink: 0;
}

.card__action {
  padding: 1.2rem 1.8rem 1.8rem;
  text-align: center;
}

.card__button {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 1.8rem;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
  border: 1px solid;
  background: transparent;
  transition: all var(--duration-fast) ease;
}

.card__button:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.card__button:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 4px;
}

/* Card variant: Guide */
.card--guide .card__glow  { background: linear-gradient(90deg, var(--color-blue-team), var(--color-neon-cyan)); }
.card--guide .card__title { color: var(--color-neon-cyan); }
.card--guide .card__button {
  border-color: var(--color-neon-cyan);
  color: var(--color-neon-cyan);
}
.card--guide .card__button:hover {
  background: rgba(0, 240, 255, 0.1);
  box-shadow: var(--shadow-glow-cyan);
}

/* Card variant: Evaluation */
.card--eval .card__glow  { background: linear-gradient(90deg, var(--color-neon-green), var(--color-neon-cyan)); }
.card--eval .card__title { color: var(--color-neon-green); }
.card--eval .card__button {
  border-color: var(--color-neon-green);
  color: var(--color-neon-green);
}
.card--eval .card__button:hover {
  background: rgba(57, 255, 20, 0.1);
  box-shadow: var(--shadow-glow-green);
}

/* Card variant: Paper / Methodology */
.card--paper .card__glow  { background: linear-gradient(90deg, var(--color-neon-magenta), var(--color-purple-team)); }
.card--paper .card__title { color: var(--color-neon-magenta); }
.card--paper .card__button {
  border-color: var(--color-neon-magenta);
  color: var(--color-neon-magenta);
}
.card--paper .card__button:hover {
  background: rgba(255, 46, 170, 0.1);
  box-shadow: var(--shadow-glow-magenta);
}

/* ======================================================
   EMBEDDED SECTION — .embedded
   ====================================================== */
.embedded {
  display: none;
  width: 100%;
  position: relative;
  z-index: 10;
}

.embedded--active {
  display: block;
}

.embedded__frame {
  width: 100%;
  height: calc(100vh - 70px);
  border: none;
  border-radius: 0;
  background: var(--color-bg-deep);
}

/* ======================================================
   LANDING PAGE — .landing
   ====================================================== */
.landing {
  display: block;
}

.landing--hidden {
  display: none;
}

/* ======================================================
   FOOTER — .footer
   ====================================================== */
.footer {
  text-align: center;
  padding: var(--spacing-2xl) var(--spacing-lg) var(--spacing-xl);
  border-top: 1px solid var(--color-border-subtle);
}

.footer__brand {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-neon-cyan);
  letter-spacing: 0.12em;
  margin-bottom: var(--spacing-sm);
  text-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
}

.footer__text {
  color: var(--color-text-dim);
  font-size: 0.75rem;
  margin-bottom: 0.3rem;
}

.footer__note {
  color: var(--color-text-dim);
  font-size: 0.65rem;
  margin-top: var(--spacing-sm);
}

.footer__badge {
  display: inline-block;
  margin-top: var(--spacing-md);
  padding: 0.2rem var(--spacing-sm);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-family: var(--font-mono);
  font-size: 0.55rem;
  color: var(--color-text-dim);
  letter-spacing: 0.1em;
}