/* ============================================================
   YLVIMAX – Sistema ERP Empresarial Corporativo
   Paleta: Azul marino · Azul oscuro · Verde claro
   ============================================================ */

/* ── Tokens ── */
:root {
  --navy:        #ffffff;
  --navy-mid:    #f8fafc;
  --navy-light:  #f1f5f9;
  --dark-blue:   #07101f;
  --blue-card:   #ffffff;
  --blue-border: #e2e8f0;
  --green:       #00c48a;
  --green-dim:   #00a876;
  --green-glow:  rgba(0, 196, 138, 0.1);
  --green-subtle:rgba(0, 196, 138, 0.05);
  --white:       #ffffff;
  --text-1:      #0f172a;
  --text-2:      #475569;
  --text-3:      #64748b;
  --surface-1:   #ffffff;
  --surface-2:   #f8fafc;
  --surface-3:   #f1f5f9;
  --border:      rgba(15, 23, 42, 0.08);
  --border-glow: rgba(0, 196, 138, 0.2);
  --nav-bg:      rgba(255, 255, 255, 0.82);
  --nav-scrolled:rgba(255, 255, 255, 0.98);
  --hover-bg:    rgba(15, 23, 42, 0.05);

  /* Typography */
  --font-main:  'Inter', system-ui, sans-serif;
  --font-head:  'Outfit', 'Inter', sans-serif;

  /* Motion */
  --ease:        cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out:    cubic-bezier(0, 0, 0.2, 1);
  --dur-fast:    180ms;
  --dur-mid:     320ms;
  --dur-slow:    500ms;

  /* Layout */
  --max-w:      1200px;
  --nav-h:       72px;
  --radius-sm:   8px;
  --radius-md:   14px;
  --radius-lg:   22px;
  --section-p:   clamp(80px, 12vw, 140px);
}

/* ── Dark Theme Tokens ── */
[data-theme="dark"] {
  --navy:        #07101f;
  --navy-mid:    #0b1a30;
  --navy-light:  #102040;
  --dark-blue:   #0d2147;
  --blue-card:   #112350;
  --blue-border: #1a3060;
  --green:       #00e5a0;
  --green-dim:   #00c48a;
  --green-glow:  rgba(0, 229, 160, 0.15);
  --green-subtle:rgba(0, 229, 160, 0.06);
  --white:       #ffffff;
  --text-1:      #e8edf5;
  --text-2:      #8fa5c0;
  --text-3:      #4d6a8a;
  --surface-1:   #0e1f3a;
  --surface-2:   #122548;
  --surface-3:   #162c52;
  --border:      rgba(26, 48, 96, 0.7);
  --border-glow: rgba(0, 229, 160, 0.3);
  --nav-bg:      rgba(7, 16, 31, 0.82);
  --nav-scrolled:rgba(7, 16, 31, 1);
  --hover-bg:    rgba(255, 255, 255, 0.06);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-main);
  background: var(--navy);
  color: var(--text-1);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background var(--dur-mid) var(--ease), color var(--dur-mid) var(--ease);
}
img, svg { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font: inherit; }
ul { list-style: none; }
input, select, textarea, button { font-family: inherit; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--navy); }
::-webkit-scrollbar-thumb { background: var(--blue-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--green-dim); }

/* ============================================================
   NAVIGATION
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: var(--nav-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
  transition: background var(--dur-mid) var(--ease),
              box-shadow var(--dur-mid) var(--ease),
              border-color var(--dur-mid) var(--ease);
}
.navbar.scrolled {
  background: var(--nav-scrolled);
  box-shadow: 0 4px 40px rgba(15, 23, 42, 0.06);
}

.nav-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.logo-text {
  font-family: var(--font-head);
  font-size: 1.375rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-1);
}
.logo-accent { color: var(--green); }
.logo-tag {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--green);
  background: var(--green-subtle);
  border: 1px solid var(--border-glow);
  border-radius: 4px;
  padding: 2px 6px;
  text-transform: uppercase;
}

/* Desktop nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}
.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: color var(--dur-fast) var(--ease),
              background var(--dur-fast) var(--ease);
}
.nav-link:hover, .nav-link.active {
  color: var(--green-dim);
  background: var(--hover-bg);
}

/* Nav Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

.btn-cta-nav {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--navy);
  background: var(--green);
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.01em;
  transition: background var(--dur-fast) var(--ease),
              transform var(--dur-fast) var(--ease),
              box-shadow var(--dur-fast) var(--ease);
}
.btn-cta-nav:hover {
  background: var(--green-dim);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0, 196, 138, 0.35);
}

/* Theme Toggle Button */
.theme-toggle {
  width: 40px; height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--text-1);
  background: var(--navy-mid);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  transition: all var(--dur-fast) var(--ease);
}
.theme-toggle:hover {
  background: var(--navy-light);
  transform: scale(1.05);
  border-color: var(--green);
}
.icon-sun, .icon-moon {
  position: absolute;
  transition: transform var(--dur-mid) var(--ease), opacity var(--dur-mid) var(--ease);
}
[data-theme="dark"] .icon-sun { opacity: 0; transform: translateY(-30px) rotate(-90deg); }
[data-theme="dark"] .icon-moon { opacity: 1; transform: translateY(0) rotate(0); }
:root:not([data-theme="dark"]) .icon-sun { opacity: 1; transform: translateY(0) rotate(0); }
:root:not([data-theme="dark"]) .icon-moon { opacity: 0; transform: translateY(30px) rotate(90deg); }

/* Mobile Theme Toggle */
.theme-toggle-mobile {
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  margin-bottom: 12px;
}
.theme-label { font-size: 0.9375rem; font-weight: 600; color: var(--text-1); }
.toggle-track {
  width: 48px; height: 26px;
  background: var(--border);
  border-radius: 13px;
  position: relative;
  transition: background var(--dur-mid);
}
.toggle-thumb {
  width: 20px; height: 20px;
  background: var(--white);
  border-radius: 50%;
  position: absolute;
  top: 3px; left: 3px;
  transition: transform var(--dur-mid) var(--ease), background var(--dur-mid);
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
[data-theme="dark"] .toggle-track { background: var(--green); }
[data-theme="dark"] .toggle-thumb { transform: translateX(22px); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  transition: background var(--dur-fast) var(--ease);
}
.hamburger:hover { background: rgba(255,255,255,0.07); }
.ham-line {
  display: block;
  width: 22px; height: 2px;
  background: var(--text-1);
  border-radius: 2px;
  transition: transform var(--dur-mid) var(--ease),
              opacity var(--dur-mid) var(--ease),
              width var(--dur-mid) var(--ease);
}
.hamburger.open .ham-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open .ham-line:nth-child(2) { opacity: 0; width: 0; }
.hamburger.open .ham-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Menu Side-Drawer */
.mobile-menu {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: min(320px, 85vw);
  background: var(--navy);
  border-left: 1px solid var(--border);
  box-shadow: -10px 0 30px rgba(0,0,0,0.1);
  display: flex;
  flex-direction: column;
  transform: translateX(101%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 10000;
  overflow-y: auto;
}
.mobile-menu.open {
  transform: translateX(0);
}

.mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}
.mobile-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}

.close-menu {
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--text-2);
  transition: color var(--dur-fast);
}
.close-menu:hover { color: var(--green); }

.mobile-nav {
  display: flex;
  flex-direction: column;
  padding: 12px 0;
}

.mobile-link {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-1);
  padding: 16px 24px;
  transition: all var(--dur-fast);
  border-left: 3px solid transparent;
}
.mobile-link:hover {
  background: var(--hover-bg);
  color: var(--green);
  border-left-color: var(--green);
}

.mobile-menu-footer {
  margin-top: auto;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  border-top: 1px solid var(--border);
}

.btn-cta-mobile {
  width: 100%;
  text-align: center;
  font-weight: 700;
  color: var(--navy);
  background: var(--green);
  padding: 16px;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 15px var(--green-glow);
}


/* ============================================================
   BUTTONS – Shared
   ============================================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--navy);
  background: var(--green);
  padding: 14px 32px;
  border-radius: var(--radius-md);
  transition: background var(--dur-fast) var(--ease),
              transform var(--dur-fast) var(--ease),
              box-shadow var(--dur-fast) var(--ease);
}
.btn-primary:hover {
  background: var(--green-dim);
  transform: translateY(-2px);
  box-shadow: 0 10px 36px rgba(0,229,160,0.38);
}
.btn-full { width: 100%; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-1);
  border: 1px solid var(--blue-border);
  padding: 13px 32px;
  border-radius: var(--radius-md);
  transition: border-color var(--dur-fast) var(--ease),
              color var(--dur-fast) var(--ease),
              background var(--dur-fast) var(--ease),
              transform var(--dur-fast) var(--ease);
}
.btn-secondary:hover {
  border-color: var(--green);
  color: var(--green);
  background: var(--green-subtle);
  transform: translateY(-2px);
}

/* ============================================================
   SECTION SHARED
   ============================================================ */
.section-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--section-p) 24px;
}
.section-container.narrow { max-width: 900px; }
.section-label {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  text-align: center;
}
.section-label::before,
.section-label::after {
  content: '';
  width: 30px;
  height: 1px;
  background: var(--green);
  opacity: 0.3;
}
.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.875rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--text-1);
  margin-bottom: 20px;
  text-align: center;
}
.section-subtitle {
  font-size: 1rem;
  color: var(--text-2);
  max-width: 580px;
  line-height: 1.7;
  margin: 0 auto 64px;
  text-align: center;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: var(--nav-h);
}

/* Animated grid background */
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--text-3) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.12;
  animation: gridDrift 40s linear infinite;
  pointer-events: none;
}
@keyframes gridDrift {
  0%   { background-position: 0 0; }
  100% { background-position: 60px 60px; }
}

/* Glows */
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}
.hero-glow-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0, 196, 138, 0.05) 0%, transparent 70%);
  top: -100px; left: 50%;
  transform: translateX(-60%);
  animation: glowPulse 6s ease-in-out infinite;
}
.hero-glow-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--green-subtle) 0%, transparent 70%);
  bottom: 0; right: -100px;
  animation: glowPulse 8s ease-in-out infinite reverse;
}
@keyframes glowPulse {
  0%, 100% { opacity: 1; transform: translateX(-60%) scale(1); }
  50%       { opacity: 0.6; transform: translateX(-60%) scale(1.15); }
}

.hero-container {
  position: relative;
  z-index: 2;
  max-width: 760px;
  text-align: center;
  padding: 80px 24px 40px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--green);
  background: rgba(0,229,160,0.08);
  border: 1px solid rgba(0,229,160,0.2);
  border-radius: 100px;
  padding: 6px 18px;
  margin-bottom: 28px;
  animation: fadeDown 0.8s var(--ease-out) both;
}
.badge-dot {
  width: 6px; height: 6px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--green);
  animation: dotBlink 2s ease infinite;
}
@keyframes dotBlink {
  0%,100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero-title {
  font-family: var(--font-head);
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.035em;
  color: var(--text-1);
  margin-bottom: 24px;
  animation: fadeDown 0.8s 0.15s var(--ease-out) both;
}
.title-gradient {
  background: linear-gradient(135deg, var(--text-1) 0%, var(--green-dim) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: var(--text-2);
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.75;
  animation: fadeDown 0.8s 0.28s var(--ease-out) both;
}
.hero-subtitle strong { color: var(--text-1); font-weight: 700; }

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 56px;
  animation: fadeDown 0.8s 0.4s var(--ease-out) both;
}

.hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  animation: fadeDown 0.8s 0.52s var(--ease-out) both;
}
.meta-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 28px;
}
.meta-number {
  font-family: var(--font-head);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-1);
  line-height: 1;
}
.meta-label {
  font-size: 0.75rem;
  color: var(--text-3);
  margin-top: 4px;
}
.meta-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* Mockup */
.hero-mockup {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px 60px;
  animation: fadeUp 1s 0.6s var(--ease-out) both;
}
.mockup-browser {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow:
    0 0 0 1px var(--border),
    0 40px 100px rgba(15, 23, 42, 0.1),
    0 0 80px rgba(0, 196, 138, 0.05);
}
.mockup-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  background: var(--navy-mid);
  border-bottom: 1px solid var(--border);
}
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot.red    { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green  { background: #28c840; }
.mockup-url {
  font-size: 0.7rem;
  color: var(--text-3);
  margin-left: 12px;
}

.mockup-screen {
  padding: 20px;
  background: var(--navy-mid);
}
.sim-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}
.sim-logo {
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--green);
}
.sim-nav-dots { display: flex; gap: 6px; }
.sim-nav-dots span {
  display: block;
  width: 32px; height: 6px;
  background: var(--surface-3);
  border-radius: 3px;
}
.sim-greeting {
  font-size: 0.7rem;
  color: var(--text-3);
  margin-bottom: 14px;
}
.sim-kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}
.kpi-card {
  border-radius: 10px;
  padding: 12px;
  border: 1px solid var(--border);
  transition: background var(--dur-mid), border-color var(--dur-mid);
}
.kpi-blue   { background: var(--surface-3); }
.kpi-green  { background: var(--surface-2); }
.kpi-purple { background: var(--surface-3); }
.kpi-orange { background: var(--surface-2); }
.kpi-label  { font-size: 0.58rem; color: var(--text-3); margin-bottom: 4px; }
.kpi-value  { font-family: var(--font-head); font-size: 0.9rem; font-weight: 700; color: var(--text-1); }
.kpi-trend  { font-size: 0.55rem; margin-top: 3px; font-weight: 600; }
.kpi-trend.up { color: var(--green); opacity: 0.9; }
.kpi-trend.neutral { color: var(--text-3); }

.sim-chart {
  background: var(--surface-1);
  border-radius: 10px;
  padding: 16px;
  height: 80px;
  border: 1px solid var(--border);
}
.chart-bar-group {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 100%;
}
.chart-bar {
  flex: 1;
  background: var(--blue-card);
  border-radius: 4px 4px 0 0;
  transition: height var(--dur-slow);
}
.chart-bar.active { background: var(--green); }

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  animation: fadeIn 1s 1.2s var(--ease-out) both;
  cursor: default;
}
.scroll-arrow {
  width: 20px; height: 20px;
  border-right: 2px solid var(--text-3);
  border-bottom: 2px solid var(--text-3);
  transform: rotate(45deg);
  animation: arrowBounce 2s ease infinite;
}
@keyframes arrowBounce {
  0%,100% { transform: rotate(45deg) translateY(0); }
  50%      { transform: rotate(45deg) translateY(5px); }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about { 
  background: var(--navy-mid); 
  position: relative;
  overflow: hidden;
}
.about::after {
  content: '';
  position: absolute;
  top: 0; left: 10%; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--border), transparent);
  opacity: 0.5;
}
.about-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
@media (max-width: 1100px) {
  .about-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .about-grid { grid-template-columns: 1fr; }
}
.about-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  transition: transform var(--dur-mid) var(--ease),
              border-color var(--dur-mid) var(--ease),
              box-shadow var(--dur-mid) var(--ease);
}
.about-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glow);
  box-shadow: 0 20px 50px rgba(0,0,0,0.3), 0 0 30px var(--green-glow);
}
.about-icon {
  font-size: 1.75rem;
  color: var(--green);
  margin-bottom: 20px;
  line-height: 1;
}
.about-card h3 {
  font-family: var(--font-head);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 10px;
}
.about-card p {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.7;
}

/* ============================================================
   MODULES
   ============================================================ */
.modules { 
  background: var(--navy); 
  position: relative;
  background-image: linear-gradient(var(--navy-mid) 1px, transparent 1px);
  background-size: 100% 40px;
}
.modules-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 1024px) {
  .modules-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .modules-grid { grid-template-columns: 1fr; }
}
.module-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform var(--dur-mid) var(--ease),
              border-color var(--dur-mid) var(--ease),
              box-shadow var(--dur-mid) var(--ease);
  position: relative;
  overflow: hidden;
}
.module-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--green), transparent);
  opacity: 0;
  transition: opacity var(--dur-mid) var(--ease);
}
.module-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0,229,160,0.2);
  box-shadow: 0 24px 60px rgba(0,0,0,0.35), 0 0 40px var(--green-glow);
}
.module-card:hover::before { opacity: 1; }

.module-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 20px;
}
.module-icon-wrap {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.mod-green  { background: rgba(0,229,160,0.12); color: var(--green); }
.mod-blue   { background: rgba(0,150,255,0.12); color: #3db4ff; }
.mod-cyan   { background: rgba(0,220,230,0.12); color: #00dce6; }
.mod-purple { background: rgba(160,90,255,0.12); color: #b87dff; }
.mod-orange { background: rgba(255,160,50,0.12); color: #ffb040; }
.mod-teal   { background: rgba(0,200,180,0.12); color: #00c8b4; }

.module-num {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-3);
  letter-spacing: 0.05em;
}
.module-title {
  font-family: var(--font-head);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 10px;
  text-align: center;
}
.module-desc {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 20px;
}
.module-features {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.module-features li {
  font-size: 0.8125rem;
  color: var(--text-2);
  display: flex;
  align-items: center;
  gap: 8px;
}
.module-features li::before {
  content: '';
  width: 5px; height: 5px;
  background: var(--green);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ============================================================
   FEATURES
   ============================================================ */
.features { background: var(--navy-mid); }
.features-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

/* Simulated screen left */
.features-visual {
  position: relative;
}
.feat-screen {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.08);
}
.feat-screen-inner { padding: 24px; }
.feat-kpi-row {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
}
.feat-kpi {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface-2);
  border-radius: 10px;
  padding: 12px 14px;
  border: 1px solid var(--border);
}
.fk-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.green-dot { background: var(--green); box-shadow: 0 0 8px var(--green); }
.blue-dot  { background: #3db4ff; box-shadow: 0 0 8px #3db4ff; }
.fk-label { font-size: 0.6rem; color: var(--text-3); margin-bottom: 2px; }
.fk-val   { font-family: var(--font-head); font-size: 0.875rem; font-weight: 700; color: var(--text-1); }

.feat-chart-wrap {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 80px;
  background: var(--surface-2);
  border-radius: 10px;
  padding: 12px;
  margin-bottom: 20px;
  border: 1px solid var(--border);
}
.feat-bar {
  flex: 1;
  background: var(--blue-card);
  border-radius: 3px 3px 0 0;
}
.feat-bar.b1 { height: 35%; }
.feat-bar.b2 { height: 55%; }
.feat-bar.b3 { height: 25%; }
.feat-bar.b4.active-bar { height: 90%; background: var(--green); }
.feat-bar.b5 { height: 40%; }
.feat-bar.b6 { height: 65%; }

.feat-table { border-radius: 10px; overflow: hidden; border: 1px solid var(--border); }
.ft-row {
  display: grid;
  grid-template-columns: 2fr 1fr 2fr;
  padding: 9px 14px;
  font-size: 0.72rem;
  border-bottom: 1px solid var(--border);
  align-items: center;
}
.ft-row:last-child { border-bottom: none; }
.ft-header {
  background: var(--surface-3);
  font-weight: 700;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.65rem;
}
.ft-row:not(.ft-header) { color: var(--text-2); background: var(--surface-1); }
.status-ok   { color: var(--green); font-weight: 600; }
.status-warn { color: #ffb040; font-weight: 600; }

/* Features list right */
.features-list { display: flex; flex-direction: column; gap: 36px; }
.feat-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--border);
}
.feat-item:last-child { border-bottom: none; padding-bottom: 0; }
.feat-num {
  font-family: var(--font-head);
  font-size: 0.6875rem;
  font-weight: 800;
  color: var(--green);
  letter-spacing: 0.05em;
  padding-top: 4px;
  flex-shrink: 0;
}
.feat-content h3 {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 7px;
  text-align: center;
}
.feat-content p {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.7;
}

/* ============================================================
   STATS
   ============================================================ */
.stats {
  background: var(--navy);
  position: relative;
  overflow: hidden;
}
/* ============================================================
   GALLERY
   ============================================================ */
/* SYSTEM VIEWER (EXPLORER)
   ============================================================ */
.gallery {
  background: var(--navy);
  position: relative;
  overflow: hidden;
  padding: 100px 0;
}
.system-viewer {
  display: flex;
  gap: 30px;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 30px;
  margin-top: 40px;
  height: 700px;
  box-shadow: 0 40px 100px rgba(0,0,0,0.2);
}

/* Sidebar */
.viewer-sidebar {
  width: 340px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  border-right: 1px solid var(--border);
  padding-right: 30px;
}
.sidebar-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 15px;
  text-align: center;
}
.thumbnail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  overflow-y: auto;
  padding-right: 15px;
  flex: 1;
}

/* Custom Scrollbar for Sidebar */
.thumbnail-grid::-webkit-scrollbar {
  width: 4px;
}
.thumbnail-grid::-webkit-scrollbar-track {
  background: transparent;
}
.thumbnail-grid::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 10px;
}
.thumbnail-grid::-webkit-scrollbar-thumb:hover {
  background: var(--green);
}

.thumb-item {
  aspect-ratio: 16/10;
  background: var(--navy-mid);
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--dur-mid) var(--ease);
  position: relative;
}
.thumb-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.6;
  transition: opacity var(--dur-mid) var(--ease);
}
.thumb-item:hover img {
  opacity: 1;
}
.thumb-item.active {
  border-color: var(--green);
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.3);
}
.thumb-item.active img {
  opacity: 1;
}

/* Main Display */
.viewer-display {
  flex: 1;
  background: #000;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.display-media-wrap {
  width: 100%;
  height: 100%;
  position: relative;
}
#main-viewer-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: opacity 0.4s ease;
}

.display-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 40px 30px 30px;
  background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.5) 60%, transparent 100%);
  pointer-events: none;
}
.overlay-text {
  max-width: 600px;
}
#viewer-title {
  color: #fff;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
}
#viewer-desc {
  color: rgba(255,255,255,0.7);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* Mobile Responsive Viewer */
@media (max-width: 1024px) {
  .system-viewer {
    flex-direction: column-reverse;
    height: auto;
    padding: 20px;
  }
  .viewer-sidebar {
    width: 100%;
    border-right: none;
    padding-right: 0;
    padding-top: 20px;
    border-top: 1px solid var(--border);
  }
  .thumbnail-grid {
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    height: 200px;
  }
  .viewer-display {
    aspect-ratio: 16/10;
  }
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.trust-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  position: relative;
  transition: transform var(--dur-mid) var(--ease),
              border-color var(--dur-mid) var(--ease);
}
.trust-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,229,160,0.18);
}
.trust-quote {
  font-size: 4rem;
  color: var(--green);
  opacity: 0.25;
  font-family: Georgia, serif;
  line-height: 0.8;
  margin-bottom: 12px;
}
.trust-card > p {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.75;
  margin-bottom: 28px;
}
.trust-author {
  display: flex;
  align-items: center;
  gap: 14px;
}
.trust-avatar {
  width: 44px; height: 44px;
  background: var(--navy-mid);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--green);
  flex-shrink: 0;
}
.trust-name { font-size: 0.875rem; font-weight: 700; color: var(--text-1); }
.trust-role { font-size: 0.75rem; color: var(--text-3); }

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  background: var(--navy);
  position: relative;
  overflow: hidden;
}
.contact-glow {
  position: absolute;
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(0,229,160,0.05) 0%, transparent 65%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
/* Contact section – center overrides */
.contact .section-label { justify-content: center; }
.contact .section-label::after { content: none; }
.contact .section-subtitle { margin-left: auto; margin-right: auto; }

.contact-layout {
  display: flex;
  flex-direction: column;
  gap: 64px;
  align-items: center;
  max-width: 860px;
  margin: 0 auto;
}

/* Centered single booking card */
.contact-centered {
  width: 100%;
  max-width: 680px;
  margin: 0 auto;
}

/* Form / Center Box */
.contact-cta-box {
  width: 100%;
}
.booking-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 80px 40px;
  text-align: center;
  transition: transform var(--dur-mid) var(--ease), border-color var(--dur-mid) var(--ease), box-shadow var(--dur-mid) var(--ease);
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.08);
}
.booking-card p {
  font-size: 1rem;
  color: var(--text-2);
  margin-bottom: 40px;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

/* Contact info below */
.contact-info { 
  display: grid; 
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  width: 100%;
}
/* ============================================================
   FOOTER
   ============================================================ */
.info-block {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: border-color var(--dur-mid) var(--ease);
}
.info-block:hover { border-color: rgba(0,229,160,0.18); }
.info-icon { font-size: 1.25rem; color: var(--green); margin-bottom: 10px; }
.info-block h4 {
  font-family: var(--font-head);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 6px;
}
.info-block p { font-size: 0.8125rem; color: var(--text-2); line-height: 1.6; }

.info-divider { height: 1px; background: var(--border); }
.contact-direct {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.contact-direct-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-3);
}
.contact-link {
  font-size: 0.9rem;
  color: var(--green);
  font-weight: 500;
  transition: color var(--dur-fast);
}
.contact-link:hover { color: var(--text-2); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--navy-mid);
  border-top: 1px solid var(--border);
}
.footer-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 64px 24px 48px;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 64px;
}
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-logo { font-size: 1.25rem; }
.footer-tagline {
  font-size: 0.8125rem;
  color: var(--text-3);
  line-height: 1.65;
  margin-top: 8px;
  max-width: 220px;
}
.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col h5 {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-1);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}
.footer-col a,
.footer-col span {
  font-size: 0.8125rem;
  color: var(--text-3);
  transition: color var(--dur-fast);
}
.footer-col a:hover { color: var(--green); }
.footer-bottom {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 20px 24px;
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-3);
}

/* ============================================================
   FORM SUCCESS OVERLAY (Optional/Unused)
   ============================================================ */
.form-success-overlay {
  position: fixed;
  inset: 0;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-mid) var(--ease);
}
.form-success-overlay.show {
  opacity: 1;
  pointer-events: all;
}
.form-success-box {
  background: var(--surface-1);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
  max-width: 400px;
  width: 90%;
  box-shadow: 0 30px 80px rgba(0,0,0,0.5), 0 0 60px var(--green-glow);
  transform: scale(0.9);
  transition: transform var(--dur-mid) var(--ease);
}
.form-success-overlay.show .form-success-box { transform: scale(1); }
.success-icon {
  width: 64px; height: 64px;
  background: rgba(0,229,160,0.12);
  border: 2px solid var(--green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: var(--green);
  margin: 0 auto 24px;
}
.form-success-box h3 {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-1);
  margin-bottom: 10px;
}
.form-success-box p {
  font-size: 0.9rem;
  color: var(--text-2);
  margin-bottom: 28px;
}

/* ============================================================
   ANIMATIONS – Keyframes & Reveal
   ============================================================ */
@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Intersection observer reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.65s var(--ease-out), transform 0.65s var(--ease-out);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .btn-cta-nav { display: none; }
  .hamburger { display: flex; }

  .hero-container { padding: 64px 24px 32px; }
  .hero-mockup { display: none; }

  .features-layout {
    grid-template-columns: 1fr;
  }
  .features-visual { order: -1; }

  .contact-layout {
    grid-template-columns: 1fr;
  }
  .form-row { grid-template-columns: 1fr; }

  .footer-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .sim-kpis { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .modules-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr; }

  .hero-meta { flex-wrap: wrap; gap: 16px; }
  .meta-divider { display: none; }
  .meta-item { padding: 0 16px; }

  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn-primary,
  .hero-actions .btn-secondary { width: 100%; }

  .contact-form { padding: 24px; }
  .form-row { grid-template-columns: 1fr; }

  /* Refined dashboard mockup for small phones */
  .feat-screen-inner { padding: 16px; }
  .feat-kpi-row { gap: 10px; flex-direction: column; }
  .feat-kpi { padding: 8px 12px; }
  .feat-chart-wrap { height: 60px; margin-bottom: 12px; }
  .ft-row { grid-template-columns: 1fr 1fr; gap: 4px; font-size: 0.65rem; }
  .ft-row span:nth-child(3) { display: none; } /* Hide operation column on tiny screens */
}

@media (max-width: 400px) {
  .gallery-grid { grid-template-columns: 1fr; }
}