/* Global Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  color-scheme: light;
  font-family: "Montserrat", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.5;
  --bg: #050b10;
  --bg-accent: #07151e;
  --card: rgba(10, 25, 35, 0.85);
  --primary: #00d68f;
  --primary-soft: rgba(0, 214, 143, 0.18);
  --secondary: #72f2d4;
  --text: #f1f5f9;
  --muted: #94a3b8;
  --border: rgba(148, 163, 184, 0.15);
  --shadow: 0 20px 45px rgba(0, 0, 0, 0.35);
}

body {
  background: radial-gradient(circle at 20% 20%, rgba(0, 214, 143, 0.12), transparent 45%),
    radial-gradient(circle at 80% 10%, rgba(114, 242, 212, 0.18), transparent 55%), var(--bg);
  color: var(--text);
  min-height: 100vh;
}

img {
  max-width: 100%;
  display: block;
}

#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 5rem;
  padding-bottom: 4rem;
}

.container {
  width: min(1200px, 92vw);
  margin: 0 auto;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: 999px;
  background: rgba(0, 214, 143, 0.12);
  color: var(--secondary);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.badge--alt {
  background: rgba(114, 242, 212, 0.16);
  color: var(--text);
}

.btn-primary {
  padding: 0.65rem 1.5rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  font-weight: 600;
  color: var(--bg);
  border: none;
  cursor: pointer;
  box-shadow: 0 12px 25px rgba(0, 214, 143, 0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(0, 214, 143, 0.35);
}

/* Navigation */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(12px);
  background: linear-gradient(135deg, rgba(0, 214, 143, 0.32), rgba(7, 21, 28, 0.92));
  border-bottom: 1px solid rgba(114, 242, 212, 0.35);
  box-shadow: 0 12px 28px rgba(0, 214, 143, 0.12);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 0;
  gap: 2rem;
}

.navbar__brand {
  display: inline-flex;
  align-items: center;
  gap: 0;
}

.navbar__logo {
  width: 54px;
  height: 54px;
  object-fit: contain;
  display: block;
}

.navbar__panel {
  display: flex;
  align-items: center;
  gap: 2rem;
  position: relative;
}

.navbar__panel-header {
  display: none;
}

.navbar__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: rgba(7, 21, 30, 0.9);
  cursor: pointer;
  font-size: 1.6rem;
  line-height: 1;
  color: var(--text);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.navbar__close span {
  transform: translateY(-1px);
}

.navbar__close:hover,
.navbar__close:focus-visible {
  border-color: var(--secondary);
  transform: translateY(-1px);
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.navbar__links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.navbar__links a:hover,
.navbar__links a:focus-visible {
  color: var(--text);
}

.navbar__cta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.navbar__toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: rgba(15, 27, 36, 0.95);
  color: var(--text);
  cursor: pointer;
  position: relative;
}

.navbar__toggle span,
.navbar__toggle span::before,
.navbar__toggle span::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 18px;
  height: 2px;
  background: var(--text);
  transition: transform 0.3s ease, top 0.3s ease, opacity 0.3s ease;
}

.navbar__toggle span {
  top: 50%;
  transform: translate(-50%, -50%);
}

.navbar__toggle span::before {
  top: -6px;
  transform: translate(-50%, -50%);
}

.navbar__toggle span::after {
  top: 6px;
  transform: translate(-50%, -50%);
}

.navbar__toggle[aria-expanded="true"] span {
  background: transparent;
}

.navbar__toggle[aria-expanded="true"] span::before {
  top: 0;
  transform: translate(-50%, -50%) rotate(45deg);
}

.navbar__toggle[aria-expanded="true"] span::after {
  top: 0;
  transform: translate(-50%, -50%) rotate(-45deg);
}

.navbar__overlay {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  backdrop-filter: blur(10px);
  background: rgba(5, 11, 16, 0.8);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 998;
}

.navbar__overlay[data-open="true"] {
  opacity: 1;
  pointer-events: auto;
}

@media (min-width: 961px) {
  .navbar__overlay {
    display: none;
  }
}

/* Footer */
.footer {
  background: rgba(3, 9, 14, 0.95);
  border-top: 1px solid var(--border);
  padding: 3rem 0;
}

.footer__inner {
  width: min(1200px, 92vw);
  margin: 0 auto;
  display: grid;
  gap: 2rem;
}

.footer__top {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
}

.footer__brand {
  display: grid;
  gap: 1rem;
}

.footer__brand p {
  color: var(--muted);
}

.footer__nav {
  display: grid;
  gap: 0.75rem;
}

.footer__nav a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer__nav a:hover,
.footer__nav a:focus-visible {
  color: var(--text);
}

.footer__note {
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.footer__form {
  display: grid;
  gap: 0.75rem;
}

.footer__form input {
  padding: 0.75rem 1rem;
  border-radius: 14px;
  border: 1px solid rgba(148, 163, 184, 0.25);
  background: rgba(4, 12, 20, 0.8);
  color: var(--text);
  outline: none;
}

.footer__form input:focus-visible {
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(114, 242, 212, 0.2);
}

.footer__form-status {
  min-height: 1rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.footer__form-status[data-tone="success"] {
  color: var(--primary);
}

.footer__form-status[data-tone="error"] {
  color: #fca5a5;
}

.footer__form-status[data-tone="info"] {
  color: var(--secondary);
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}

.footer__social {
  display: flex;
  gap: 0.75rem;
}

.footer__social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  color: var(--muted);
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.footer__social a:hover,
.footer__social a:focus-visible {
  border-color: var(--secondary);
  color: var(--secondary);
}

/* Forms */
.form-group {
  display: grid;
  gap: 0.5rem;
}

.form-label {
  font-weight: 600;
  color: var(--muted);
}

/* Animations */
[data-animate="fade-up"] {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate="fade-up"].is-visible {
  opacity: 1;
  transform: translateY(0);
}

[data-animate="fade-in"] {
  opacity: 0;
  transition: opacity 0.6s ease;
}

[data-animate="fade-in"].is-visible {
  opacity: 1;
}

@keyframes battery-flow {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* Responsive Adjustments */
@media (max-width: 960px) {
  .navbar__panel {
    position: fixed;
    top: 68px;
    right: 0;
    bottom: 0;
    left: auto;
    transform: translate3d(100%, 0, 0);
    width: min(340px, 82vw);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2rem;
    padding: 5.5rem 2.25rem 2.5rem;
    background: rgba(5, 11, 16, 0.86);
    border-left: 1px solid rgba(114, 242, 212, 0.18);
    box-shadow: -12px 0 35px rgba(0, 0, 0, 0.45);
    transition: transform 0.3s ease, opacity 0.3s ease;
    opacity: 0;
    z-index: 999;
    pointer-events: none;
    touch-action: none;
  }

  .navbar__panel[data-open="true"] {
    transform: translate3d(0, 0, 0);
    opacity: 1;
    pointer-events: auto;
    touch-action: auto;
  }

  .navbar__panel-header {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
    width: 100%;
    order: -1;
    position: sticky;
    top: -1rem;
    padding-bottom: 0.5rem;
    background: linear-gradient(180deg, rgba(5, 11, 16, 0.92) 70%, rgba(5, 11, 16, 0));
    z-index: 1;
  }

  .navbar__links {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    width: 100%;
  }

  .navbar__links a {
    font-size: 1.05rem;
  }

  .navbar__cta {
    width: 100%;
  }

  .navbar__cta .btn-primary {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .navbar__toggle {
    display: inline-flex;
    justify-content: center;
    align-items: center;
  }
}

@media (max-width: 720px) {
  .navbar__panel {
    top: 72px;
    right: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    transform: translate3d(0, 100%, 0);
    border-left: none;
    padding: 5.5rem 1.75rem 2.5rem;
    justify-items: center;
  }

  .navbar__panel[data-open="true"] {
    transform: translate3d(0, 0, 0);
  }
}

@media (max-width: 540px) {
  .footer__top {
    gap: 1.5rem;
  }
}

@media (max-width: 480px) {
  .navbar__inner {
    padding: 1rem 0;
  }
}