/* =============================================
   NathoAsto — Global Base Styles
   ============================================= */

/* ── Import Design Tokens ── */
@import url('variables.css');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.7;
  overflow-x: hidden;
}

img, video {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

ul, ol { list-style: none; }

button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* =============================================
   TYPOGRAPHY
   ============================================= */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--clr-text);
}

h1 { font-size: var(--fs-5xl); letter-spacing: -0.02em; }
h2 { font-size: var(--fs-4xl); letter-spacing: -0.02em; }
h3 { font-size: var(--fs-3xl); letter-spacing: -0.01em; }
h4 { font-size: var(--fs-2xl); }
h5 { font-size: var(--fs-xl); }
h6 { font-size: var(--fs-lg); }

p {
  font-size: var(--fs-base);
  color: var(--clr-text-muted);
  line-height: 1.75;
}

.text-gradient {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-gradient-red {
  background: var(--grad-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-primary);
  padding: 6px 16px;
  border: 1px solid rgba(var(--clr-primary-rgb), 0.3);
  border-radius: var(--radius-pill);
  background: rgba(var(--clr-primary-rgb), 0.06);
  margin-bottom: var(--sp-md);
}

/* =============================================
   NAVIGATION
   ============================================= */
.navbar-na {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  z-index: var(--z-sticky);
  transition: var(--transition-base);
  padding: 0 clamp(1rem, 4vw, 3rem);
}

.navbar-na.scrolled {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 4px 32px rgba(0,0,0,0.4);
}

.navbar-inner {
  max-width: 1400px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--clr-text);
}

.brand-logo-mark {
  width: 38px; height: 38px;
  background: var(--grad-primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 900;
  color: #000;
  flex-shrink: 0;
  box-shadow: var(--glow-primary);
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2rem);
}

.nav-link-na {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: #ffffff;
  position: relative;
  padding: 4px 0;
  white-space: nowrap;
}

.nav-link-na::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--grad-primary);
  border-radius: 2px;
  transition: width 0.3s ease;
}

.nav-link-na:hover,
.nav-link-na.active {
  color: var(--clr-primary);
}
.nav-link-na:hover::after,
.nav-link-na.active::after {
  width: 100%;
}

.nav-cta {
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  background: var(--grad-primary);
  color: #000 !important;
  font-size: var(--fs-sm);
  font-weight: 700;
  transition: var(--transition-spring);
  box-shadow: 0 4px 24px rgba(var(--clr-primary-rgb), 0.3);
}
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-primary);
}
.nav-cta::after { display: none !important; }

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: var(--transition-base);
}
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background: rgba(10,10,10,0.97);
  backdrop-filter: var(--glass-blur-heavy);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-slow);
}
.mobile-nav.open {
  display: flex;
  opacity: 1;
  pointer-events: all;
}
.mobile-nav .nav-link-na {
  font-size: var(--fs-xl);
  font-weight: 600;
  color: var(--clr-text-muted);
}

@media (max-width: 991px) {
  .navbar-links { display: none; }
  .nav-toggle { display: flex; }
}

/* =============================================
   BUTTONS
   ============================================= */
.btn-na {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 14px 32px;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: var(--transition-spring);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  cursor: pointer;
  border: none;
}

.btn-primary-na {
  background: var(--grad-primary);
  color: #000;
  box-shadow: 0 4px 24px rgba(var(--clr-primary-rgb), 0.3);
}
.btn-primary-na::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.15);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.btn-primary-na:hover {
  transform: translateY(-3px);
  box-shadow: var(--glow-primary);
  color: #000;
}
.btn-primary-na:hover::before { transform: scaleX(1); }

.btn-glass-na {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  color: var(--clr-text);
}
.btn-glass-na:hover {
  background: var(--glass-bg-hover);
  border-color: rgba(var(--clr-primary-rgb), 0.4);
  transform: translateY(-3px);
  color: var(--clr-primary);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

.btn-outline-na {
  background: transparent;
  border: 1.5px solid rgba(var(--clr-primary-rgb), 0.5);
  color: var(--clr-primary);
}
.btn-outline-na:hover {
  background: rgba(var(--clr-primary-rgb), 0.1);
  border-color: var(--clr-primary);
  transform: translateY(-3px);
  box-shadow: 0 0 24px rgba(var(--clr-primary-rgb), 0.2);
}

.btn-icon {
  width: 44px; height: 44px;
  padding: 0;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* =============================================
   GLASS CARD
   ============================================= */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg,
    rgba(var(--clr-primary-rgb), 0) 0%,
    rgba(var(--clr-primary-rgb), 0) 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  transition: var(--transition-base);
  pointer-events: none;
}

.glass-card:hover {
  background: var(--glass-bg-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(var(--clr-primary-rgb), 0.25);
}
.glass-card:hover::before {
  background: linear-gradient(135deg,
    rgba(var(--clr-primary-rgb), 0.4) 0%,
    rgba(var(--clr-secondary-rgb), 0.15) 100%);
}

/* =============================================
   SECTION LAYOUT
   ============================================= */
.section-na {
  padding: var(--sp-3xl) 0;
  position: relative;
}
.section-sm {
  padding: var(--sp-2xl) 0;
}

.container-na {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 3rem);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--sp-2xl);
}

.section-header h2 {
  margin-bottom: var(--sp-sm);
}

/* =============================================
   ORB GLOW BACKGROUNDS
   ============================================= */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}
.orb-primary {
  background: radial-gradient(circle, rgba(var(--clr-primary-rgb), 0.15) 0%, transparent 70%);
}
.orb-secondary {
  background: radial-gradient(circle, rgba(var(--clr-secondary-rgb), 0.12) 0%, transparent 70%);
}

/* =============================================
   SCROLL REVEAL ANIMATIONS
   ============================================= */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}
.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}
.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal-right.revealed {
  opacity: 1;
  transform: translateX(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; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* =============================================
   ANTI-GRAVITY FLOAT ANIMATION
   ============================================= */
@keyframes floatY {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  25%       { transform: translateY(-12px) rotate(1deg); }
  75%       { transform: translateY(-6px) rotate(-1deg); }
}
@keyframes floatSlow {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-18px); }
}
@keyframes floatOrbit {
  0%   { transform: translate(0, 0) rotate(0deg); }
  25%  { transform: translate(8px, -12px) rotate(90deg); }
  50%  { transform: translate(0, -20px) rotate(180deg); }
  75%  { transform: translate(-8px, -12px) rotate(270deg); }
  100% { transform: translate(0, 0) rotate(360deg); }
}
@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 20px rgba(var(--clr-primary-rgb), 0.3); }
  50%       { box-shadow: 0 0 50px rgba(var(--clr-primary-rgb), 0.6), 0 0 80px rgba(var(--clr-primary-rgb), 0.3); }
}
@keyframes spinSlow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}
@keyframes scanLine {
  0%   { transform: translateY(-100%); }
  100% { transform: translateY(400%); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-60px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes countUp {
  from { opacity: 0; transform: scale(0.8); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes borderRotate {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}
@keyframes particleFloat {
  0%        { transform: translateY(100vh) translateX(0) rotate(0deg); opacity: 0; }
  10%       { opacity: 0.6; }
  90%       { opacity: 0.4; }
  100%      { transform: translateY(-100px) translateX(30px) rotate(360deg); opacity: 0; }
}

.float-anim     { animation: floatY 6s ease-in-out infinite; }
.float-slow     { animation: floatSlow 8s ease-in-out infinite; }
.float-orbit    { animation: floatOrbit 10s linear infinite; }
.pulse-glow     { animation: pulseGlow 3s ease-in-out infinite; }
.spin-slow      { animation: spinSlow 20s linear infinite; }

/* =============================================
   NOISE TEXTURE OVERLAY
   ============================================= */
.noise-overlay {
  position: absolute;
  inset: 0;
  opacity: 0.03;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 200px;
}

/* =============================================
   CUSTOM SCROLLBAR
   ============================================= */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--clr-bg); }
::-webkit-scrollbar-thumb {
  background: var(--clr-primary);
  border-radius: 99px;
}

/* =============================================
   PILL TAG / BADGE
   ============================================= */
.pill-tag {
  display: inline-block;
  padding: 4px 12px;
  font-size: var(--fs-xs);
  font-weight: 600;
  border-radius: var(--radius-pill);
  background: rgba(var(--clr-primary-rgb), 0.12);
  color: var(--clr-primary);
  border: 1px solid rgba(var(--clr-primary-rgb), 0.25);
  letter-spacing: 0.04em;
}
.pill-tag-red {
  background: rgba(var(--clr-secondary-rgb), 0.12);
  color: var(--clr-secondary);
  border-color: rgba(var(--clr-secondary-rgb), 0.25);
}

/* =============================================
   DIVIDER
   ============================================= */
.divider-na {
  width: 100%;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--clr-border), transparent);
  margin: var(--sp-xl) 0;
}

/* =============================================
   FOOTER BASE
   ============================================= */
.footer-na {
  background: #060606;
  border-top: 1px solid var(--clr-border);
  padding-top: var(--sp-3xl);
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: var(--sp-md);
}

.footer-description {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  max-width: 280px;
  line-height: 1.8;
}

.footer-heading {
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
  margin-bottom: var(--sp-md);
}

.footer-link {
  display: block;
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  padding: 5px 0;
  transition: var(--transition-fast);
}
.footer-link:hover {
  color: var(--clr-primary);
  padding-left: 4px;
}

.footer-bottom {
  padding: var(--sp-md) 0;
  border-top: 1px solid var(--glass-border);
  margin-top: var(--sp-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copyright {
  font-size: var(--fs-xs);
  color: var(--clr-text-sub);
}

.footer-socials {
  display: flex;
  gap: 0.75rem;
}

.social-btn {
  width: 38px; height: 38px;
  border-radius: 10px;
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-text-muted);
  font-size: 0.9rem;
  transition: var(--transition-base);
}
.social-btn:hover {
  border-color: rgba(var(--clr-primary-rgb), 0.5);
  color: var(--clr-primary);
  background: rgba(var(--clr-primary-rgb), 0.08);
  transform: translateY(-3px);
}

/* =============================================
   NEWSLETTER INPUT
   ============================================= */
.newsletter-form {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.newsletter-input {
  flex: 1;
  min-width: 140px;
  padding: 12px 20px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-pill);
  color: var(--clr-text);
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  outline: none;
  transition: var(--transition-fast);
}
.newsletter-input::placeholder { color: var(--clr-text-sub); }
.newsletter-input:focus {
  border-color: rgba(var(--clr-primary-rgb), 0.5);
  background: rgba(var(--clr-primary-rgb), 0.05);
}

/* =============================================
   PAGE HERO BANNER (For inner pages)
   ============================================= */
.page-hero {
  min-height: 40vh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-height) + 4rem) 0 4rem;
  position: relative;
  overflow: hidden;
}
.page-hero-bg {
  position: absolute;
  inset: 0;
  background: var(--grad-hero);
  z-index: 0;
}
.page-hero .container-na { position: relative; z-index: 1; }

/* =============================================
   STAT COUNTER
   ============================================= */
.stat-number {
  font-family: var(--font-heading);
  font-size: var(--fs-4xl);
  font-weight: 800;
  color: var(--clr-primary);
  line-height: 1;
  letter-spacing: -0.03em;
}

/* =============================================
   STICKY SIDEBAR
   ============================================= */
.sticky-sidebar {
  position: sticky;
  top: calc(var(--nav-height) + 2rem);
  height: fit-content;
}

/* =============================================
   UTILITY CLASSES
   ============================================= */
.d-flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}
.mt-section { margin-top: var(--sp-3xl); }
.mb-section { margin-bottom: var(--sp-3xl); }
.pt-nav { padding-top: var(--nav-height); }

.shimmer-text {
  background: linear-gradient(90deg,
    var(--clr-primary) 0%,
    #fff 40%,
    var(--clr-primary) 60%,
    var(--clr-primary) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 3s linear infinite;
}

/* Form inputs */
.input-na {
  width: 100%;
  padding: 14px 20px;
  background: transparent;
  border: none;
  border-bottom: 1.5px solid var(--glass-border);
  color: var(--clr-text);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  outline: none;
  transition: var(--transition-fast);
}
.input-na::placeholder { color: var(--clr-text-sub); }
.input-na:focus { border-bottom-color: var(--clr-primary); }

textarea.input-na { resize: vertical; min-height: 120px; }

.input-group-na {
  position: relative;
  margin-bottom: var(--sp-md);
}
.input-label-na {
  display: block;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
  margin-bottom: 0.25rem;
}

/* Responsive helpers — base level */
@media (max-width: 768px) {
  :root {
    --sp-3xl: 5rem;
    --sp-2xl: 3rem;
  }
  /* Keep section-headers centered on mobile too */
  .section-header { text-align: center; }
  .section-header p { max-width: 100%; }

  /* Page hero inner pages */
  .page-hero {
    min-height: auto;
    padding: calc(var(--nav-height) + 2rem) 0 2.5rem;
  }
  .page-hero h1 { font-size: clamp(1.75rem, 5vw, 3rem); }
  .page-hero p  { font-size: 0.95rem; }
}

@media (max-width: 480px) {
  :root {
    --sp-3xl: 3rem;
    --sp-2xl: 2rem;
    --nav-height: 64px;
  }
}