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

:root {
  --bg-light:    #f5f5f7;
  --white:       #ffffff;
  --black:       #000000;
  --gray:        #646464;
  --blue:        #007fff;
  --blue-dark:   #005fcc;
  --font:        'K2D', sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--white);
  color: var(--black);
  -webkit-font-smoothing: antialiased;
}

/* ─── Announcement Bar ────────────────────────────────────── */
.announcement-bar {
  background: var(--bg-light);
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}

.announcement-bar p {
  font-size: 12px;
  font-weight: 400;
  color: var(--black);
  text-align: center;
  padding: 0 16px;
}

/* ─── Navigation ──────────────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
}

.navbar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--black);
}

.logo-mark {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.footer-logo {
  width: 22px;
  height: 22px;
  filter: brightness(0) invert(1);
}

.logo-text {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.3px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 12px;
  font-weight: 400;
  color: var(--black);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-link:hover {
  color: var(--blue);
}

.nav-link.active {
  color: var(--blue);
}

/* ─── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  border-radius: 6px;
  padding: 8px 20px;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--blue);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--blue-dark);
}

.btn-ghost {
  background: transparent;
  color: var(--black);
  border: 1px solid rgba(0,0,0,0.18);
}

.btn-ghost:hover {
  border-color: var(--black);
  background: rgba(0,0,0,0.04);
}

/* ─── Split Section ───────────────────────────────────────── */
.split-section {
  display: flex;
  width: 100%;
  min-height: 680px;
  gap: 10px;
}

.split-panel {
  flex: 1;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 40px 36px 28px;
  overflow: hidden;
}

.split-dark {
  background: #000000;
}

.split-light {
  background: var(--bg-light);
  padding-bottom: 0;
}

.split-top {
  text-align: center;
  position: relative;
  z-index: 2;
}

.split-title {
  font-size: 52px;
  font-weight: 700;
  letter-spacing: -2px;
  line-height: 1;
  margin-bottom: 10px;
}

.split-title-light { color: var(--white); }
.split-title-dark  { color: var(--black); }

.split-subtitle {
  font-size: 16px;
  font-weight: 400;
}

.split-subtitle-light { color: rgba(255,255,255,0.55); }
.split-subtitle-dark  { color: var(--gray); }

.split-center-logo {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -45%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

.split-center-logo img {
  width: 820px;
  height: 820px;
  object-fit: contain;
}

.split-product-img {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 68%;
  pointer-events: none;
}

.split-product-img img {
  width: 100%;
  height: auto;
  display: block;
}

.split-bottom {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  position: relative;
  z-index: 2;
}

.split-light .split-bottom {
  padding-bottom: 28px;
}

.split-logo {
  width: 24px;
  height: 24px;
  object-fit: contain;
  opacity: 0.9;
}

.split-logo-dark {
  opacity: 0.7;
}

.split-btn {
  background: linear-gradient(160deg, #5ca8ff 0%, #2a7fff 100%);
  color: var(--white);
  font-family: var(--font);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  padding: 8px 20px;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  display: inline-block;
}

/* ─── Section Gap ─────────────────────────────────────────── */
.section-gap {
  height: 12px;
  background: var(--white);
}

/* keep hero-btn-group for modals */
.hero-btn-group {
  display: inline-flex;
  align-items: center;
  background: var(--white);
  border-radius: 100px;
  padding: 3px;
  gap: 0;
  margin-bottom: 24px;
}

.hero-btn-primary {
  background: linear-gradient(160deg, #5ca8ff 0%, #2a7fff 100%);
  color: var(--white);
  font-family: var(--font);
  font-size: 12px;
  font-weight: 500;
  text-decoration: none;
  padding: 7px 18px;
  border-radius: 100px;
  box-shadow: 0 4px 14px rgba(0,127,255,0.35);
  border: none;
  cursor: pointer;
}

.hero-btn-ghost {
  color: var(--black);
  font-family: var(--font);
  font-size: 12px;
  font-weight: 400;
  text-decoration: none;
  padding: 7px 18px;
  border-radius: 100px;
  background: none;
  border: none;
  cursor: pointer;
}


/* ─── Footer ──────────────────────────────────────────────── */
.footer {
  background: var(--black);
  color: var(--white);
  padding: 48px 40px;
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
}

.footer-copy {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
}

.footer-legal {
  font-size: 11px;
  color: rgba(255,255,255,0.3);
}

/* ─── Contact Modal ──────────────────────────────────────── */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0,0,0,0.35);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 9999;
  align-items: center;
  justify-content: center;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: var(--white);
  border-radius: 20px;
  padding: 48px;
  width: 100%;
  max-width: 440px;
  position: relative;
  box-shadow: 0 24px 80px rgba(0,0,0,0.15);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 20px;
  background: var(--bg-light);
  border: none;
  font-size: 18px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  cursor: pointer;
  color: var(--gray);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.modal-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--black);
  margin-bottom: 6px;
  letter-spacing: -0.3px;
}

.modal-subtitle {
  font-size: 13px;
  color: var(--gray);
  margin-bottom: 32px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-group label {
  font-size: 12px;
  font-weight: 500;
  color: var(--black);
}

.form-group input {
  font-family: var(--font);
  font-size: 14px;
  padding: 10px 14px;
  border: 1px solid rgba(0,0,0,0.12);
  border-radius: 10px;
  outline: none;
  background: var(--bg-light);
  color: var(--black);
  transition: border-color 0.2s;
}

.form-group input:focus {
  border-color: var(--blue);
  background: var(--white);
}

.form-submit-group {
  margin-top: 24px;
  margin-bottom: 0;
}

.modal-success {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 16px 0;
}

.modal-success.active {
  display: flex;
}

.preorder-icon {
  font-size: 40px;
  margin-bottom: 16px;
}

.success-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  font-size: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.modal-success .modal-subtitle {
  margin-bottom: 0;
}

/* ─── Footer Legal Section ───────────────────────────────── */
.footer-legal-section {
  background: var(--bg-light);
  padding: 60px 40px 48px 40px;
  border-top: 1px solid rgba(0,0,0,0.06);
}

.footer-legal-inner {
  max-width: 100%;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.legal-block p {
  font-size: 13px;
  font-weight: 400;
  color: var(--gray);
  line-height: 1.5;
  margin-bottom: 16px;
}

.legal-block p:last-child {
  margin-bottom: 0;
}

/* ─── Responsive ──────────────────────────────────────────── */
@media (max-width: 768px) {
  /* Announcement bar wraps on small screens */
  .announcement-bar {
    height: auto;
    padding: 8px 0;
  }

  .announcement-bar p {
    font-size: 11px;
  }

  /* Navbar */
  .navbar-inner {
    padding: 0 16px;
  }

  .nav-links {
    gap: 20px;
  }

  /* Split section stacks vertically */
  .split-section {
    flex-direction: column;
    min-height: auto;
    gap: 8px;
  }

  .split-panel {
    min-height: 420px;
    padding: 32px 24px 24px;
  }

  .split-light {
    padding-bottom: 0;
  }

  .split-light .split-bottom {
    padding-bottom: 24px;
  }

  .split-title {
    font-size: 52px;
    letter-spacing: -2px;
  }

  .split-center-logo img {
    width: 450px;
    height: 450px;
  }

  .split-product-img {
    width: 62%;
  }

  /* Modal */
  .modal {
    margin: 16px;
    padding: 36px 24px;
    max-width: calc(100vw - 32px);
    border-radius: 16px;
  }

  /* Footer */
  .footer-legal-section {
    padding: 40px 20px 32px;
  }
}

@media (max-width: 480px) {
  .announcement-bar p {
    font-size: 10px;
  }

  .nav-links {
    gap: 16px;
  }

  .nav-link {
    font-size: 11px;
  }

  .split-panel {
    min-height: 380px;
    padding: 28px 20px 20px;
  }

  .split-title {
    font-size: 40px;
    letter-spacing: -1.5px;
  }

  .split-subtitle {
    font-size: 14px;
  }

  .split-center-logo img {
    width: 340px;
    height: 340px;
  }

  .split-product-img {
    width: 57%;
  }

  .split-btn {
    font-size: 12px;
    padding: 7px 14px;
  }

  .split-logo {
    width: 20px;
    height: 20px;
  }

  .modal {
    padding: 28px 20px;
  }

  .modal-title {
    font-size: 18px;
  }

  .footer-legal-section {
    padding: 32px 16px 24px;
  }

  .legal-block p {
    font-size: 12px;
  }
}