:root {
  /* Flutter Theme Colors */
  --bg-color: #121212;
  /* Material Dark Background */
  --card-bg: #1e1e1e;
  /* Surface Color */
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --accent-color: #bb86fc;
  /* Flutter Primary Purple */
  --accent-glow: rgba(187, 134, 252, 0.4);
  --gold-accent: #ffd700;
  --font-main: "Outfit", sans-serif;
  --transition-speed: 0.3s;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-main);
  overflow-x: hidden;
  /* Critical for parachutes starting off-screen */
  line-height: 1.6;
}

/* App-like shell: keeps the site feeling like the mobile app */
.app-shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
}

.app-shell::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(
      circle at top,
      rgba(187, 134, 252, 0.1) 0%,
      rgba(18, 18, 18, 0) 55%
    ),
    radial-gradient(
      circle at bottom,
      rgba(255, 215, 0, 0.06) 0%,
      rgba(18, 18, 18, 0) 55%
    ),
    linear-gradient(180deg, rgba(18, 18, 18, 0.88), rgba(18, 18, 18, 0.96)),
    url("assets/chat_bg_doodle.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* ... existing styles ... */

/* Parachute Animation Container */
#parachutes {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  pointer-events: none;
  /* Let clicks pass through */
  z-index: 20;
  /* Visible over section backgrounds */
  overflow: hidden;
}

.parachute {
  position: absolute;
  top: -200px;
  /* Start above screen */
  width: 120px;
  will-change: transform;
  opacity: 0.35;
}

.parachute-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 120px;
  will-change: transform;
}

.parachute img {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 10px 10px rgba(0, 0, 0, 0.5));
}

.parachute-banner {
  background: linear-gradient(135deg, #bb86fc, #9965f4);
  padding: 4px 12px;
  border-radius: 20px;
  color: #000;
  font-weight: 700;
  font-size: 0.8rem;
  margin-top: -10px;
  box-shadow: 0 3px 6px rgba(0, 0, 0, 0.3);
  z-index: 2;
  white-space: nowrap;
}

/* Keyframes for the complex motion */
@keyframes fall {
  0% {
    transform: translateY(0);
  }

  100% {
    transform: translateY(120vh);
  }
}

@keyframes sway {
  0%,
  100% {
    transform: translateX(0) rotate(0deg);
  }

  25% {
    transform: translateX(30px) rotate(5deg);
  }

  50% {
    transform: translateX(0) rotate(0deg);
  }

  75% {
    transform: translateX(-30px) rotate(-5deg);
  }
}

/* 
   We combine these in JS by applying different durations 
   to a wrapper vs the inner element, or simply using 
   a complex cubic-bezier in JS. 
   For simplicity here, we'll drive the main fall in CSS 
   and the sway as a secondary animation.
*/

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

ul {
  list-style: none;
}

/* Typography */
h1,
h2,
h3,
h4 {
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 {
  font-size: 3.5rem;
  line-height: 1.1;
  margin-bottom: 20px;
}

.text-gradient {
  background: linear-gradient(
    to right,
    var(--text-primary),
    var(--accent-color)
  );
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  /* Fallback */
}

h2 {
  font-size: 2.5rem;
  margin-bottom: 15px;
}

p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 20px;
}

/* Utilities */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-inline: clamp(16px, 5vw, 24px);
  padding-block: 0;
}

.app-shell .container {
  max-width: 1200px;
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent-color);
  color: white;
  box-shadow: 0 0 15px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 25px var(--accent-glow);
}

.btn-outline {
  border-color: rgba(255, 255, 255, 0.2);
  background: transparent;
  color: white;
}

.btn-outline:hover {
  border-color: white;
  background: rgba(255, 255, 255, 0.05);
}

.section-padding {
  padding-block: 100px;
}

/* Navigation */
.navbar {
  position: sticky;
  z-index: 100;
  top: 0;
  background: rgba(18, 18, 18, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.navbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: 12px;
  position: relative;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 1px;
  color: white;
  display: inline-flex;
  align-items: center;
  line-height: 0;
}

.logo-mark {
  position: relative;
  display: inline-block;
  line-height: 0;
}

.nav-logo {
  height: 56px;
  display: block;
  position: relative;
  z-index: 2;
}

.nav-logo-glow {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  filter: blur(4px);
  opacity: 0.7;
}

@media (min-width: 992px) {
  .nav-logo {
    height: 64px;
  }
}

.logo span {
  color: var(--accent-color);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav-links .btn {
  padding: 10px 18px;
  font-size: 0.95rem;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(30, 30, 30, 0.35);
  color: white;
  cursor: pointer;
}

.nav-toggle:focus {
  outline: 2px solid rgba(187, 134, 252, 0.45);
  outline-offset: 2px;
}

.nav-links li a {
  font-size: 0.95rem;
  font-weight: 500;
  opacity: 0.92;
}

.nav-links li a:hover {
  opacity: 1;
  color: var(--accent-color);
}

/* Hero Section */
.hero {
  min-height: 84vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  background: radial-gradient(circle at center, #1a0505 0%, #050505 70%);
}

.hero-content {
  max-width: 800px;
  z-index: 2;
}

.hero-tagline {
  font-size: 1.2rem;
  color: var(--accent-color);
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 20px;
  display: block;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 40px;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.feature-card {
  background: var(--card-bg);
  padding: 40px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition-speed);
}

.feature-card:hover {
  transform: translateY(-10px);
  border-color: var(--accent-color);
  box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.5);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 20px;
  color: var(--accent-color);
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 10px;
}

/* Security Section */
.security-section {
  background:
    linear-gradient(
      180deg,
      rgba(18, 18, 18, 0) 0%,
      rgba(30, 10, 50, 0.35) 30%,
      rgba(30, 10, 50, 0.35) 70%,
      rgba(18, 18, 18, 0) 100%
    );
  border-top: 1px solid rgba(187, 134, 252, 0.08);
  border-bottom: 1px solid rgba(187, 134, 252, 0.08);
}

.security-badge {
  display: inline-block;
  padding: 6px 18px;
  border-radius: 50px;
  background: rgba(187, 134, 252, 0.12);
  border: 1px solid rgba(187, 134, 252, 0.25);
  color: var(--accent-color);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.security-badge i {
  margin-right: 6px;
}

.security-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 960px;
  margin: 0 auto;
}

.security-card {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 28px;
  border-radius: 16px;
  background: rgba(18, 18, 18, 0.6);
  border: 1px solid rgba(187, 134, 252, 0.1);
  border-left: 3px solid var(--accent-color);
  transition: all var(--transition-speed) ease;
}

.security-card:hover {
  background: rgba(30, 20, 50, 0.5);
  border-color: rgba(187, 134, 252, 0.25);
  border-left-color: var(--accent-color);
  transform: translateX(4px);
  box-shadow: 0 8px 30px rgba(187, 134, 252, 0.08);
}

.security-icon-wrap {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(187, 134, 252, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--accent-color);
}

.security-card-content h3 {
  font-size: 1.15rem;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.security-card-content p {
  font-size: 0.95rem;
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.5;
}

@media (max-width: 768px) {
  .security-grid {
    grid-template-columns: 1fr;
  }
}

/* Mockup Section */
.app-showcase {
  text-align: center;
  position: relative;
}

.mockup-container {
  margin-top: 50px;
  position: relative;
  display: inline-block;
}

.mockup-frame {
  width: 300px;
  height: 600px;
  border-radius: 40px;
  border: 8px solid #333;
  background: #111;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  z-index: 10;
}

@media (min-width: 992px) {
  .mockup-frame {
    width: 340px;
    height: 680px;
  }
}

.mockup-screen {
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, #111, #222);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #333;
  font-size: 1.5rem;
}

/* Toast (Coming soon) */
.toast {
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  max-width: min(520px, calc(100vw - 28px));
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(30, 30, 30, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: white;
  z-index: 1000;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 180ms ease,
    transform 180ms ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(-2px);
  pointer-events: auto;
}

/* Footer */
footer {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 80px 0 40px;
  background: #020202;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-logo {
  height: 44px;
  width: auto;
  display: block;
}

@media (min-width: 992px) {
  .footer-logo {
    height: 52px;
  }
}

.footer-note {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin: 0;
}

.footer-email a {
  color: rgba(255, 255, 255, 0.92);
  font-weight: 600;
}

.footer-email a:hover {
  color: var(--accent-color);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 60px;
}

.footer-column h4 {
  color: white;
  margin-bottom: 20px;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--accent-color);
}

.copyright {
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 40px;
  color: #555;
  font-size: 0.9rem;
}

/* Simple cards/grids for About + Contact */
.content-card {
  background: var(--card-bg);
  padding: 40px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.info-card {
  background: rgba(30, 30, 30, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  padding: 18px;
}

.info-card h4 {
  margin-bottom: 8px;
}

.info-card p {
  margin-bottom: 0;
  font-size: 1rem;
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.6s ease-out,
    transform 0.6s ease-out;
}

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

/* Responsive */
@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }

  .navbar-inner {
    padding-block: 12px;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 8px;
    left: 8px;
    flex-direction: column;
    gap: 12px;
    padding: 14px;
    border-radius: 18px;
    background: rgba(18, 18, 18, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .hero-buttons {
    flex-direction: column;
  }
}