/* -----------------------------------
   GLOBAL THEME VARIABLES
----------------------------------- */
:root {
  --bg-start: #01050f;
  --bg-end: #0b1b3b;
  --surface: #0f172a;
  --text: #e5e7eb;
  --accent: #14b8a6;
  --accent-soft: #22d3ee;
  --border: #1e293b;
  --body-font: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
}

/* -----------------------------------
   BASE RESET & TYPOGRAPHY
----------------------------------- */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--body-font);
  color: var(--text);
  background: radial-gradient(circle at top, var(--bg-start), var(--bg-end));
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--accent-soft);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* -----------------------------------
   PAGE SHELL
----------------------------------- */
.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* -----------------------------------
   HEADER & NAVIGATION
----------------------------------- */
.header {
  padding-top: 4px;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand {
  display: inline-flex;
  align-items: center;
}

.logo-main {
  display: block;
  max-width: 400px;
  height: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

.nav a {
  color: var(--text);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid transparent;
  transition:
    border-color 0.2s ease,
    color 0.2s ease,
    background 0.2s ease,
    box-shadow 0.2s ease;
}

/* NAV HOVER: subtle frame + unified glow with forms & cards */
.nav a:hover,
.nav a:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(34, 211, 238, 0.08);
  box-shadow: 0 0 16px rgba(59, 130, 246, 0.2);
}

/* -----------------------------------
   MAIN CONTENT
----------------------------------- */
.main {
  flex: 1;
  width: 100%;
  padding-top: 30px;
  padding-bottom: 30px;
}

.content-card {
  background: rgba(15, 23, 42, 0.62);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px;
  box-shadow: 0 10px 35px rgba(0, 0, 0, 0.25);
}

.hero-image {
  margin: 24px 0;
  padding: 8px;
  border-radius: 12px;
  text-align: center;
}

.hero-image img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
}

/* -----------------------------------
   HEADINGS & TEXT
----------------------------------- */
h1,
h2,
h3 {
  font-weight: 600;
  letter-spacing: 0.02em;
}

h1 {
  font-size: 1.8rem;
  margin-top: 24px;
  margin-bottom: 14px;
}

h2 {
  font-size: 1.35rem;
  margin-top: 34px;
  margin-bottom: 14px;
}

h3 {
  font-size: 1.1rem;
  margin-top: 34px;
  margin-bottom: 14px;
}

p {
  font-size: 0.96rem;
  line-height: 1.7;
  margin-top: 0;
  margin-bottom: 12px;
}

.meta {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #9ca3af;
  margin-bottom: 8px;
}

/* -----------------------------------
   POST LISTS
----------------------------------- */
.post-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* Post cards with unified hover glow */
.post-item {
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.62);
  transition:
    border-color 0.7s ease,
    box-shadow 2s ease,
    transform 0.5s ease;
}

.post-item:hover {
  border-color: var(--accent);
  box-shadow: 0 0 30px rgba(59, 130, 246, 0.2);
  transform: translateY(-2px);
}

.post-item a {
  font-weight: 600;
  font-size: 0.98rem;
}

/* -----------------------------------
   FOOTER
----------------------------------- */
.footer {
  padding-top: 16px;
  padding-bottom: 8px;
  font-size: 0.85rem;
  color: #9ca3af;
}

.footer-inner {
  border-top: 1px solid var(--border);
  padding: 12px 0 8px;
  max-width: 960px;
  margin: 0 auto;
  text-align: center;
}

.footer a {
  color: #e5e7eb;
}

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

.lang-switch {
  font-size: 0.82rem;
  margin-top: 6px;
}

.lang-switch a {
  color: var(--accent-soft);
}

/* -----------------------------------
   HOME GRID (Posts + Articles + Newsletter)
----------------------------------- */
.home-grid {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.home-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: stretch;
}

.home-panel {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px 18px;
  background: rgba(15, 23, 42, 0.6);
}

.home-panel h2 {
  margin-top: 0;
  margin-bottom: 8px;
}

.home-panel p {
  margin-bottom: 10px;
}

.home-panel-newsletter {
  text-align: left;
  transition:
    border-color 0.7s ease,
    box-shadow 2s ease,
    transform 0.5s ease;
}

/* NEWSLETTER PANEL HOVER on HOME: unify glow with nav + contact form */
.home-panel-newsletter:hover {
  border-color: var(--accent);
  box-shadow: 0 0 30px rgba(59, 130, 246, 0.2);
  transform: translateY(-2px);
}

.home-panel-newsletter p:last-child {
  margin-bottom: 0;
}

.home-panel-meta {
  font-size: 0.9rem;
  color: #9ca3af;
}

/* -----------------------------------
   NEWSLETTER FORM (on any page)
----------------------------------- */
.newsletter-form {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 420px;
}

.newsletter-form .form-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.newsletter-form label {
  font-size: 0.85rem;
  font-weight: 600;
}

.newsletter-form input[type="text"],
.newsletter-form input[type="email"] {
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #020617;
  color: var(--text);
}

.newsletter-form input[type="text"]:focus,
.newsletter-form input[type="email"]:focus {
  outline: none;
  border-color: var(--accent);
}

.newsletter-form button[type="submit"] {
  margin-top: 4px;
  align-self: flex-start;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #0b1120;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.1s ease;
}

.newsletter-form button[type="submit"]:hover {
  background: var(--accent-soft);
  transform: translateY(-1px);
}

.form-note {
  margin-top: 10px;
  font-size: 0.8rem;
  color: #9ca3af;
}

/* -----------------------------------
   CONTACT FORM (matches newsletter form)
----------------------------------- */

/* Base layout */
.contact-form {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 420px;
}

/* Shared row layout with newsletter form */
.contact-form .form-row,
.newsletter-form .form-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* Labels (inherit newsletter look) */
.contact-form label,
.newsletter-form label {
  font-size: 0.85rem;
  font-weight: 600;
}

/* Inputs + textarea styling */
.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form input[type="password"],
.contact-form textarea,
.newsletter-form input[type="text"],
.newsletter-form input[type="email"] {
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #020617;
  color: var(--text);
  font-family: var(--body-font);
}

.contact-form input:focus,
.contact-form textarea:focus,
.newsletter-form input:focus {
  outline: none;
  border-color: var(--accent);
}

/* Button (same pill style as newsletter button) */
.contact-form button[type="submit"],
.newsletter-form button[type="submit"] {
  margin-top: 4px;
  align-self: flex-start;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #0b1120;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.1s ease;
}

/* Button hover: subtle lift (glow stays on containers/nav/cards) */
.contact-form button[type="submit"]:hover,
.newsletter-form button[type="submit"]:hover {
  background: var(--accent-soft);
  transform: translateY(-1px);
}

/* Honeypot field — invisible to humans */
.contact-form .honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
  height: 0;
  width: 0;
  overflow: hidden;
}

/* -----------------------------------
   FORM CONTAINER (Contact + Newsletter layout)
----------------------------------- */

/* Centered wrapper for all forms */
.form-container {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  width: 100%;
  margin: 2rem 0;
}

/* Shared card styling for contact + newsletter forms */
.form-container .contact-form,
.form-container .newsletter-form {
  background: #0b1120;
  padding: 1.5rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  box-shadow: 0 0 12px rgba(0, 0, 0, 0.4);
  width: 100%;
  max-width: 480px;
}

/* Glow on hover: unified with nav + newsletter home panel + post cards */
.form-container .contact-form:hover,
.form-container .newsletter-form:hover {
  border-color: var(--accent);
  box-shadow: 0 0 16px rgba(59, 130, 246, 0.2);
}

/* Fade in animation when the form appears */
.form-container .contact-form,
.form-container .newsletter-form {
  animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* -----------------------------------
   RESPONSIVE LAYOUT (keep at bottom)
----------------------------------- */

/* Small screens: stack header + nav nicely */
@media (max-width: 760px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .nav {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 10px;
  }
}

/* Stack the home grid on tablets/phones */
@media (max-width: 900px) {
  .home-row {
    grid-template-columns: 1fr;
  }
}

	   /* =========================
   BADGES + NOTES (keep existing .vault-tag/.vault-note markup)
========================= */

.vault-tag,
.open-tag{
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .18rem .55rem;
  margin-left: .5rem;

  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;

  border-radius: 999px;
  vertical-align: middle;
  white-space: nowrap;
}

.vault-tag::before,
.open-tag::before{
  content: "●";
  font-size: .7rem;
  line-height: 1;
  opacity: .85;
}

/* VAULT */
.vault-tag{
  color: #fecaca;
  background: rgba(239, 68, 68, .12);
  border: 1px solid rgba(239, 68, 68, .35);
}
.vault-tag:hover{
  background: rgba(239, 68, 68, .18);
  border-color: rgba(239, 68, 68, .55);
}

/* OPEN */
.open-tag{
  color: #bbf7d0;
  background: rgba(34, 197, 94, .12);
  border: 1px solid rgba(34, 197, 94, .35);
}
.open-tag:hover{
  background: rgba(34, 197, 94, .18);
  border-color: rgba(34, 197, 94, .55);
}

/* Notes */
.vault-note,
.open-note{
  margin-top: 1rem;
  padding: 1rem 1.1rem;
  border-radius: 16px;
  color: rgba(229, 231, 235, .92);
}

.vault-note{
  background: rgba(239, 68, 68, .08);
  border: 1px solid rgba(239, 68, 68, .22);
}
.vault-note strong{ color: #fecaca; }

.open-note{
  background: rgba(34, 197, 94, .08);
  border: 1px solid rgba(34, 197, 94, .22);
}
.open-note strong{ color: #bbf7d0; }


/* =========================
   BACK TO TOP (single source of truth)
========================= */
.back-to-top{
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 99999;

  display: inline-flex;
  align-items: center;
  justify-content: center;

  width: 52px;
  height: 52px;
  border-radius: 999px;

  background: rgba(15, 23, 42, .92);
  border: 1px solid rgba(148, 163, 184, .28);
  color: rgba(229, 231, 235, .95);

  font-size: 20px;
  font-weight: 900;
  line-height: 1;

  cursor: pointer;

  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;

  transition: opacity .18s ease, transform .18s ease, background .18s ease, border-color .18s ease;
}

.back-to-top.is-visible{
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.back-to-top:hover{
  background: rgba(15, 23, 42, .98);
  border-color: rgba(34, 211, 238, .40);
}

.back-to-top:focus{
  outline: 2px solid rgba(34, 211, 238, .45);
  outline-offset: 3px;
}