/* ===================================================
   VOLKOV — Flight Configurator
   styles.css — Futuristic Tactical UI
   =================================================== */

@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@300;400;500;600;700&family=Orbitron:wght@400;500;600;700;800;900&family=Share+Tech+Mono&display=swap');

/* ─── CSS VARIABLES ─── */
:root {
  --black:        #050608;
  --dark:         #0a0c0f;
  --dark-2:       #0f1215;
  --dark-3:       #141820;
  --panel:        #111519;
  --panel-border: #1e2530;
  --red:          #c0392b;
  --red-bright:   #e74c3c;
  --red-glow:     rgba(192, 57, 43, 0.45);
  --red-faint:    rgba(192, 57, 43, 0.08);
  --grey:         #2c333d;
  --grey-mid:     #4a5568;
  --grey-light:   #8892a0;
  --text:         #cdd5df;
  --text-dim:     #6b7a8d;
  --white:        #f0f4f8;
  --accent-cyan:  #1a9fbf;
  --scan-line:    rgba(255,255,255,0.015);
  --font-display: 'Orbitron', monospace;
  --font-ui:      'Rajdhani', sans-serif;
  --font-mono:    'Share Tech Mono', monospace;
}

/* ─── RESET & BASE ─── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--black);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 1rem;
  line-height: 1.7;
  overflow-x: hidden;
  cursor: default;
}

/* Scanline overlay */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: repeating-linear-gradient(
    0deg,
    var(--scan-line) 0px,
    var(--scan-line) 1px,
    transparent 1px,
    transparent 4px
  );
  pointer-events: none;
  z-index: 9999;
  opacity: 0.4;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

::selection {
  background: var(--red);
  color: var(--white);
}

::-webkit-scrollbar { width: 6px; background: var(--dark-2); }
::-webkit-scrollbar-thumb { background: var(--red); border-radius: 3px; }

/* ─── UTILITY ─── */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 6rem 0;
  position: relative;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--red);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.section-label::before {
  content: '';
  display: inline-block;
  width: 24px; height: 1px;
  background: var(--red);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.6rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
  letter-spacing: 0.04em;
  margin-bottom: 1rem;
}

.section-title span { color: var(--red-bright); }

.section-desc {
  font-family: var(--font-ui);
  font-size: 1.05rem;
  color: var(--grey-light);
  max-width: 680px;
  line-height: 1.8;
}

/* Divider decorative */
.tac-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--red), transparent);
  margin: 0;
  opacity: 0.5;
}

/* ─── HEADER ─── */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: 68px;
  display: flex;
  align-items: center;
  background: rgba(5, 6, 8, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--panel-border);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

#header.scrolled {
  background: rgba(5, 6, 8, 0.97);
  box-shadow: 0 0 30px rgba(192, 57, 43, 0.12);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header-logo img {
  height: 36px;
  width: auto;
  filter: drop-shadow(0 0 8px var(--red-glow));
}

.header-logo .logo-text {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--white);
}

.header-logo .logo-text span {
  color: var(--red-bright);
  font-size: 0.55rem;
  display: block;
  letter-spacing: 0.35em;
  font-weight: 400;
  margin-top: -2px;
  font-family: var(--font-mono);
}

nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
  align-items: center;
}

nav ul li a {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--grey-light);
  transition: color 0.2s;
  position: relative;
}

nav ul li a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1px;
  background: var(--red-bright);
  transition: width 0.3s;
}

nav ul li a:hover { color: var(--white); }
nav ul li a:hover::after { width: 100%; }

.btn-download-nav {
  font-family: var(--font-display) !important;
  font-size: 0.72rem !important;
  letter-spacing: 0.12em !important;
  background: var(--red);
  color: var(--white) !important;
  padding: 0.45rem 1.1rem;
  border: 1px solid var(--red);
  clip-path: polygon(6px 0%, 100% 0%, calc(100% - 6px) 100%, 0% 100%);
  transition: background 0.2s, box-shadow 0.2s !important;
}
.btn-download-nav:hover {
  background: var(--red-bright) !important;
  box-shadow: 0 0 18px var(--red-glow) !important;
  color: var(--white) !important;
}
.btn-download-nav::after { display: none !important; }

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text);
  transition: all 0.3s;
}

/* ─── HERO ─── */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 68px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('banner.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: brightness(0.28) saturate(0.6);
  z-index: 0;
  transform: scale(1.04);
  animation: heroZoom 18s ease-in-out infinite alternate;
}

@keyframes heroZoom {
  from { transform: scale(1.04); }
  to   { transform: scale(1.10); }
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background: 
    linear-gradient(180deg, rgba(5,6,8,0.3) 0%, transparent 30%, rgba(5,6,8,0.75) 80%, var(--black) 100%),
    linear-gradient(90deg, rgba(5,6,8,0.7) 0%, transparent 60%);
  z-index: 1;
}

/* Grid overlay */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(192,57,43,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(192,57,43,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 1;
  animation: gridShift 20s linear infinite;
}

@keyframes gridShift {
  from { background-position: 0 0; }
  to   { background-position: 60px 60px; }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--red-bright);
  border: 1px solid rgba(192,57,43,0.4);
  padding: 0.35rem 0.9rem;
  margin-bottom: 1.5rem;
  clip-path: polygon(8px 0%, 100% 0%, calc(100% - 8px) 100%, 0% 100%);
  background: rgba(192,57,43,0.07);
  animation: fadeInUp 0.6s ease forwards;
}

.hero-badge::before {
  content: '●';
  font-size: 0.5rem;
  animation: blink 1.2s step-end infinite;
}

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

.hero-logo-img {
  width: clamp(80px, 12vw, 140px);
  margin-bottom: 1.5rem;
  filter: drop-shadow(0 0 20px var(--red-glow));
  animation: fadeInUp 0.7s 0.1s ease both;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 8vw, 7rem);
  font-weight: 900;
  letter-spacing: 0.1em;
  color: var(--white);
  line-height: 1;
  margin-bottom: 0.3rem;
  animation: fadeInUp 0.7s 0.2s ease both;
  text-shadow: 0 0 40px rgba(192,57,43,0.4);
}

.hero-cyrillic {
  font-family: var(--font-display);
  font-size: clamp(0.7rem, 1.5vw, 0.95rem);
  letter-spacing: 0.4em;
  color: var(--red-bright);
  margin-bottom: 1.2rem;
  font-weight: 500;
  animation: fadeInUp 0.7s 0.3s ease both;
}

.hero-tagline {
  font-family: var(--font-mono);
  font-size: clamp(0.8rem, 1.5vw, 1rem);
  letter-spacing: 0.15em;
  color: var(--grey-light);
  margin-bottom: 2rem;
  text-transform: uppercase;
  animation: fadeInUp 0.7s 0.4s ease both;
}

.hero-tagline span {
  color: var(--red-bright);
}

.hero-desc {
  font-family: var(--font-ui);
  font-size: 1.1rem;
  color: var(--text);
  max-width: 580px;
  line-height: 1.8;
  margin-bottom: 2.5rem;
  animation: fadeInUp 0.7s 0.5s ease both;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  animation: fadeInUp 0.7s 0.6s ease both;
}

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.85rem 2rem;
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: rgba(255,255,255,0.05);
  transition: left 0.3s ease;
}
.btn:hover::before { left: 0; }

.btn-primary {
  background: var(--red);
  color: var(--white);
  clip-path: polygon(10px 0%, 100% 0%, calc(100% - 10px) 100%, 0% 100%);
  box-shadow: 0 0 0 transparent;
}
.btn-primary:hover {
  background: var(--red-bright);
  box-shadow: 0 0 30px var(--red-glow), 0 0 60px rgba(192,57,43,0.2);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--panel-border);
  clip-path: polygon(10px 0%, 100% 0%, calc(100% - 10px) 100%, 0% 100%);
}
.btn-secondary:hover {
  border-color: var(--red);
  color: var(--white);
  box-shadow: inset 0 0 20px rgba(192,57,43,0.08);
}

.btn svg {
  width: 16px; height: 16px;
  flex-shrink: 0;
}

/* ─── HERO STATS ─── */
.hero-stats {
  position: absolute;
  bottom: 3rem;
  right: 0;
  z-index: 2;
  display: flex;
  gap: 0;
  animation: fadeInRight 0.8s 0.8s ease both;
}

.stat-block {
  padding: 1.2rem 1.8rem;
  border: 1px solid var(--panel-border);
  border-right: none;
  background: rgba(10,12,15,0.8);
  backdrop-filter: blur(10px);
  text-align: center;
  position: relative;
}
.stat-block:last-child { border-right: 1px solid var(--panel-border); }
.stat-block::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--red);
}

.stat-val {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
  display: block;
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-top: 0.25rem;
}

/* ─── ABOUT ─── */
#about {
  background: var(--dark);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-frame {
  position: relative;
  border: 1px solid var(--panel-border);
  padding: 2px;
  background: var(--panel);
}

.about-frame::before {
  content: '';
  position: absolute;
  top: -1px; left: -1px; right: -1px; bottom: -1px;
  border: 1px solid var(--red);
  clip-path: polygon(0 0, 40px 0, 40px 1px, 1px 1px, 1px 40px, 0 40px,
                     0 calc(100% - 40px), 0 100%, 40px 100%, 40px calc(100% - 1px),
                     calc(100% - 40px) calc(100% - 1px), calc(100% - 40px) 100%,
                     100% 100%, 100% calc(100% - 40px), calc(100% - 1px) calc(100% - 40px),
                     calc(100% - 1px) 40px, 100% 40px, 100% 0, calc(100% - 40px) 0,
                     calc(100% - 40px) 1px, 40px 1px, 40px 0);
  opacity: 0.7;
}

.corner-tl, .corner-tr, .corner-bl, .corner-br {
  position: absolute;
  width: 16px; height: 16px;
  z-index: 2;
}
.corner-tl { top: -1px; left: -1px; border-top: 2px solid var(--red); border-left: 2px solid var(--red); }
.corner-tr { top: -1px; right: -1px; border-top: 2px solid var(--red); border-right: 2px solid var(--red); }
.corner-bl { bottom: -1px; left: -1px; border-bottom: 2px solid var(--red); border-left: 2px solid var(--red); }
.corner-br { bottom: -1px; right: -1px; border-bottom: 2px solid var(--red); border-right: 2px solid var(--red); }

.about-frame img {
  width: 100%;
  display: block;
  opacity: 0.85;
  filter: saturate(0.5) brightness(0.9);
}

.about-tag {
  position: absolute;
  bottom: 1rem; left: 1rem;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--red-bright);
  background: rgba(5,6,8,0.85);
  padding: 0.3rem 0.6rem;
  border: 1px solid rgba(192,57,43,0.3);
}

.about-text h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--red-bright);
  letter-spacing: 0.2em;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.about-text p {
  color: var(--grey-light);
  margin-bottom: 1.2rem;
  font-size: 1rem;
}

.about-spec-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
  margin-top: 1.5rem;
}

.about-spec-list li {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: 0.05em;
}

.about-spec-list li::before {
  content: '▸';
  color: var(--red);
  font-size: 0.6rem;
}

/* ─── FEATURES ─── */
#features {
  background: var(--black);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--panel-border);
  border: 1px solid var(--panel-border);
  margin-top: 3.5rem;
}

.feature-card {
  background: var(--dark-2);
  padding: 2rem 1.8rem;
  position: relative;
  overflow: hidden;
  transition: background 0.3s;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 0;
  background: var(--red);
  transition: height 0.4s ease;
}

.feature-card:hover { background: var(--dark-3); }
.feature-card:hover::before { height: 100%; }

.feature-icon {
  width: 44px; height: 44px;
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--grey);
  position: relative;
}

.feature-icon svg {
  width: 22px; height: 22px;
  color: var(--red-bright);
  stroke: currentColor;
}

.feature-icon::after {
  content: '';
  position: absolute;
  inset: 3px;
  background: rgba(192,57,43,0.06);
}

.feature-num {
  position: absolute;
  top: 1.2rem; right: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
}

.feature-title {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--white);
  margin-bottom: 0.6rem;
}

.feature-desc {
  font-size: 0.875rem;
  color: var(--text-dim);
  line-height: 1.7;
}

/* ─── TRANSPORT / COMPATIBILITY ─── */
#compat {
  background: var(--dark);
  overflow: hidden;
}

.compat-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.compat-fw {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2.5rem;
}

.fw-card {
  border: 1px solid var(--panel-border);
  padding: 1.8rem 1.5rem;
  background: var(--panel);
  position: relative;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.fw-card:hover {
  border-color: var(--red);
  box-shadow: 0 0 24px rgba(192,57,43,0.12);
}

.fw-card .fw-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--white);
  margin-bottom: 0.4rem;
}

.fw-card .fw-desc {
  font-size: 0.8rem;
  color: var(--text-dim);
  line-height: 1.5;
}

.fw-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.2em;
  background: var(--red-faint);
  color: var(--red-bright);
  border: 1px solid rgba(192,57,43,0.3);
  padding: 0.2rem 0.5rem;
  margin-bottom: 0.8rem;
  text-transform: uppercase;
}

.transport-list {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.transport-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  border: 1px solid var(--panel-border);
  padding: 1.2rem 1.4rem;
  background: var(--panel);
  transition: border-color 0.3s;
}
.transport-item:hover { border-color: rgba(192,57,43,0.4); }

.transport-icon {
  flex-shrink: 0;
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--red-faint);
  border: 1px solid rgba(192,57,43,0.2);
  color: var(--red-bright);
}
.transport-icon svg { width: 18px; height: 18px; stroke: currentColor; }

.transport-title {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 0.08em;
  margin-bottom: 0.2rem;
}

.transport-desc {
  font-size: 0.8rem;
  color: var(--text-dim);
  line-height: 1.5;
}

/* ─── ADVANCED FEATURES ─── */
#advanced {
  background: var(--black);
}

.advanced-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 4rem;
  align-items: center;
  margin-top: 3rem;
}

.advanced-items {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.adv-item {
  padding: 1.4rem 1.6rem;
  border: 1px solid transparent;
  border-bottom: 1px solid var(--panel-border);
  cursor: pointer;
  transition: all 0.25s;
  position: relative;
}
.adv-item:first-child { border-top: 1px solid var(--panel-border); }

.adv-item:hover, .adv-item.active {
  background: var(--dark-3);
  border-color: transparent;
  border-left: 3px solid var(--red);
  padding-left: 1.3rem;
}

.adv-item-title {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--white);
  margin-bottom: 0.3rem;
}

.adv-item-desc {
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.6;
}

/* Terminal mockup */
.terminal-window {
  background: var(--dark-2);
  border: 1px solid var(--panel-border);
  font-family: var(--font-mono);
  overflow: hidden;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.65rem 1rem;
  background: var(--panel);
  border-bottom: 1px solid var(--panel-border);
}

.t-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
}
.t-dot.red    { background: #c0392b; }
.t-dot.yellow { background: #f39c12; }
.t-dot.green  { background: #27ae60; }

.terminal-title {
  font-size: 0.65rem;
  color: var(--text-dim);
  letter-spacing: 0.15em;
  margin-left: 0.5rem;
}

.terminal-body {
  padding: 1.4rem 1.4rem;
  font-size: 0.78rem;
  line-height: 1.9;
  min-height: 320px;
  overflow-y: auto;
  max-height: 380px;
}

.t-line { display: flex; align-items: baseline; gap: 0.5rem; }
.t-prompt { color: var(--red-bright); flex-shrink: 0; }
.t-cmd { color: var(--white); }
.t-out { color: var(--grey-light); padding-left: 1.2rem; }
.t-ok  { color: #2ecc71; padding-left: 1.2rem; }
.t-warn { color: #f39c12; padding-left: 1.2rem; }
.t-cursor {
  display: inline-block;
  width: 8px; height: 14px;
  background: var(--red-bright);
  animation: blink 1s step-end infinite;
  vertical-align: bottom;
  margin-left: 2px;
}

/* ─── SECURITY ─── */
#security {
  background: var(--dark);
  position: relative;
  overflow: hidden;
}

#security::before {
  content: 'SECURITY';
  position: absolute;
  right: -2rem; top: 50%;
  transform: translateY(-50%) rotate(90deg);
  font-family: var(--font-display);
  font-size: 10rem;
  font-weight: 900;
  color: rgba(192,57,43,0.03);
  letter-spacing: 0.3em;
  pointer-events: none;
  white-space: nowrap;
}

.security-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.sec-card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s;
}

.sec-card:hover {
  border-color: var(--red);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(192,57,43,0.1);
}

.sec-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, var(--red), transparent);
}

.sec-num {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--red);
  margin-bottom: 1rem;
}

.sec-title {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--white);
  margin-bottom: 0.6rem;
}

.sec-desc {
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.7;
}

/* ─── PLUGINS ─── */
#plugins {
  background: var(--black);
}

.plugins-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
}

.plugin-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.plugin-card {
  background: var(--dark-3);
  border: 1px solid var(--panel-border);
  padding: 1.5rem 1.2rem;
  text-align: center;
  transition: all 0.3s;
  position: relative;
}

.plugin-card:hover {
  border-color: rgba(192,57,43,0.4);
  background: var(--dark-2);
  box-shadow: 0 0 20px rgba(192,57,43,0.08);
}

.plugin-card svg {
  width: 28px; height: 28px;
  color: var(--red-bright);
  stroke: currentColor;
  margin: 0 auto 0.8rem;
}

.plugin-card-title {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--white);
  margin-bottom: 0.4rem;
}

.plugin-card-desc {
  font-size: 0.75rem;
  color: var(--text-dim);
  line-height: 1.5;
}

.plugin-card.coming-soon { opacity: 0.5; }
.coming-badge {
  position: absolute;
  top: 0.5rem; right: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.15em;
  color: var(--text-dim);
  border: 1px solid var(--grey);
  padding: 0.15rem 0.4rem;
  text-transform: uppercase;
}

/* ─── DOWNLOAD / CTA ─── */
#download {
  background: var(--dark);
  position: relative;
  overflow: hidden;
}

#download::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(192,57,43,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.download-inner {
  text-align: center;
  position: relative;
  z-index: 1;
}

.download-inner .section-label { justify-content: center; }
.download-inner .section-label::before { display: none; }
.download-inner .section-label::after {
  content: '';
  display: inline-block;
  width: 24px; height: 1px;
  background: var(--red);
}

.download-inner .section-title { margin: 0 auto 1rem; }
.download-inner .section-desc { margin: 0 auto 2.5rem; text-align: center; }

.download-meta {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}

.dl-meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
}
.dl-meta-item svg { width: 14px; height: 14px; color: var(--red); stroke: currentColor; }

/* ─── FOOTER ─── */
#footer {
  background: var(--black);
  border-top: 1px solid var(--panel-border);
  padding: 3.5rem 0 2rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand .brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.footer-brand .brand-logo img {
  height: 32px;
  filter: drop-shadow(0 0 6px var(--red-glow));
}

.footer-brand .brand-name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--white);
}

.footer-brand p {
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.7;
  max-width: 280px;
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--red-bright);
  margin-bottom: 1.2rem;
}

.footer-col ul { list-style: none; }
.footer-col ul li {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: color 0.2s;
}
.footer-col ul li::before {
  content: '—';
  color: var(--grey);
  font-size: 0.7rem;
}
.footer-col ul li:hover { color: var(--text); }

.footer-bottom {
  border-top: 1px solid var(--panel-border);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

.footer-copy span { color: var(--red-bright); }

.footer-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

.status-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #27ae60;
  box-shadow: 0 0 8px #27ae60;
  animation: pulse-green 2s ease infinite;
}

@keyframes pulse-green {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

/* ─── ANIMATIONS ─── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(24px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 1100px) {
  .about-grid, .advanced-grid, .plugins-inner { grid-template-columns: 1fr; gap: 3rem; }
  .compat-inner { grid-template-columns: 1fr; gap: 3rem; }
  .about-visual { max-width: 500px; }
}

@media (max-width: 900px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-stats {
    position: static;
    margin-top: 3rem;
    justify-content: flex-start;
    flex-wrap: wrap;
  }
  #hero { padding-bottom: 3rem; }
}

@media (max-width: 768px) {
  /* ── Nav ── */
  nav { display: none; }
  nav.open {
    display: block;
    position: fixed;
    top: 68px; left: 0; right: 0;
    background: rgba(5,6,8,0.97);
    padding: 1.5rem;
    border-bottom: 1px solid var(--panel-border);
    overflow-y: auto;
    max-height: calc(100vh - 68px);
  }
  nav.open ul {
    flex-direction: column;
    gap: 0;
  }
  nav.open ul li {
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(30,37,48,0.6);
  }
  nav.open ul li:last-child { border-bottom: none; }

  /* lang-switcher-inline en móvil: actúa como fila separada */
  nav.open .lang-switcher-inline {
    padding-top: 0.75rem;
    width: 100%;
  }
  nav.open .lang-switcher-inline .lang-switcher {
    margin-left: 0;
    padding-left: 0;
    border-left: none;
    border-top: 1px solid var(--panel-border);
    padding-top: 0.75rem;
    width: 100%;
  }

  .nav-toggle { display: flex; }

  /* ── Grids ── */
  .features-grid { grid-template-columns: 1fr; }
  .security-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .compat-fw { grid-template-columns: 1fr; }
  .plugin-cards { grid-template-columns: 1fr 1fr; }
  .about-spec-list { grid-template-columns: 1fr; }

  /* ── Hero ── */
  .hero-badge {
    font-size: 0.58rem;
    letter-spacing: 0.15em;
    white-space: normal;
    text-align: left;
  }
  .hero-cyrillic {
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    word-break: break-word;
  }
  .hero-tagline {
    font-size: 0.78rem;
    letter-spacing: 0.08em;
  }
  .hero-stats { flex-wrap: wrap; }
  .stat-block {
    padding: 0.9rem 1.2rem;
    flex: 1 1 auto;
    min-width: 80px;
  }

  /* ── Advanced / Terminal ── */
  .adv-item { padding: 1.1rem 1rem; }
  .adv-item:hover,
  .adv-item.active { padding-left: 0.85rem; }
  .terminal-body { font-size: 0.72rem; padding: 1rem; }

  /* ── Download meta ── */
  .download-meta { gap: 1.2rem; }

  /* ── Footer ── */
  .footer-bottom { gap: 0.6rem; }
}

@media (max-width: 480px) {
  .container { padding: 0 1.1rem; }
  .section { padding: 3.5rem 0; }

  /* ── Hero ── */
  .hero-title { font-size: clamp(2.4rem, 12vw, 3.2rem); }
  .hero-badge { font-size: 0.55rem; letter-spacing: 0.1em; }
  .hero-cyrillic { font-size: 0.58rem; letter-spacing: 0.1em; }
  .hero-desc { font-size: 0.95rem; }
  .hero-actions { flex-direction: column; }

  /* ── Buttons — quitar clip-path en muy pequeño para evitar cortes ── */
  .btn {
    width: 100%;
    justify-content: center;
    clip-path: none;
    padding: 0.85rem 1.2rem;
  }
  .btn-primary { clip-path: none; }
  .btn-secondary { clip-path: none; }
  .btn-download-nav {
    clip-path: none !important;
    padding: 0.45rem 0.8rem !important;
  }

  /* ── Stats ── */
  .stat-block { padding: 0.75rem 1rem; }
  .stat-val { font-size: 1.2rem; }

  /* ── Features ── */
  .feature-card { padding: 1.5rem 1.2rem; }

  /* ── Plugin cards: 1 columna en muy pequeño ── */
  .plugin-cards { grid-template-columns: 1fr; }

  /* ── Compatibility firmware ── */
  .compat-fw { grid-template-columns: 1fr; }

  /* ── Terminal ── */
  .terminal-body {
    font-size: 0.68rem;
    padding: 0.8rem;
    max-height: 260px;
  }

  /* ── Secciones de seguridad ── */
  .sec-card { padding: 1.5rem 1.2rem; }

  /* ── Footer ── */
  .footer-copy { font-size: 0.6rem; }
  .footer-status { font-size: 0.6rem; }
  .dl-meta-item { font-size: 0.65rem; }
  .download-meta { gap: 0.9rem; justify-content: flex-start; }
}