@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;800&display=swap');
@import url('https://cdn.jsdelivr.net/npm/@mdi/font@7.4.47/css/materialdesignicons.min.css');

/* ============================================================================
   SYNDERAI — design tokens
   Colours, radii and spacing centralised so the look stays consistent and
   horizontal placement is harmonised through a single --page-pad / --content-max.
   ========================================================================== */
:root {
  --bg:            #0b0b0b;
  --text:          #ffffff;
  --text-soft:     #cfcfcf;
  --text-mute:     #cccccc;
  --text-dim:      #aaaaaa;

  --accent:        #f07086;                                   /* pink   */
  --accent-2:      #e7792a;                                   /* orange */
  --accent-grad:   linear-gradient(90deg, #e7792a, #f07086);
  --link:          #7b5da7;                                   /* purple */
  --blue:          #4e8cd4;

  --card:          rgba(255, 255, 255, 0.03);
  --card-border:   rgba(255, 255, 255, 0.10);
  --panel:         rgba(238, 1, 255, 0.13);
  --panel-border:  rgba(255, 1, 18, 0.10);

  --nav-bg:        rgba(15, 15, 15, 0.72);
  --surface:       rgba(17, 17, 19, 0.97);                    /* dropdowns + drawer */

  --radius:        16px;
  --radius-sm:     10px;
  --content-max:   1130px;
  --read-max:      820px;
  --page-pad:      clamp(1rem, 5vw, 2.7rem);
  --nav-pad-x:     clamp(1rem, 4vw, 2rem);
  --bp:            860px;                                      /* mobile breakpoint */
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
}

/* Fixed blurred background image layer */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
}
body.index-image::before {
  background: url('../../img/index-image.png') center/cover no-repeat;
  filter: blur(1px) brightness(0.5);
}
body.page-image::before {
  background: url('../../img/page-image.png') center/cover no-repeat;
  filter: blur(3px) brightness(0.3);
}

img { max-width: 100%; height: auto; }

a {
  text-decoration: none;
  color: var(--link);
  transition: color 0.25s ease;
}

/* ============================================================================
   NAVIGATION  (sticky bar -> dropdown groups on desktop, drawer on mobile)
   ========================================================================== */
nav {
  position: sticky;
  top: 0;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem var(--nav-pad-x);
  background: var(--nav-bg);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  z-index: 100;
}

/* logo */
.logo {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  font-weight: 800;
  line-height: 0;
}
.logo img {
  width: auto;
  height: clamp(36px, 5vw, 48px);
}

/* link list (desktop: horizontal row) */
.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  font-weight: 600;
}

/* a top-level item is either a plain link (Home) or a group <li> */
.nav-links > li { position: relative; }

.nav-links a,
.dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0.85rem;
  border-radius: 50px;
  color: var(--text-soft);
  font: inherit;
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
.nav-links > li > a:hover,
.dropdown-toggle:hover,
.nav-links > li > a:focus-visible,
.dropdown-toggle:focus-visible {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(240, 112, 134, 0.35);
  outline: none;
}

.dropdown-toggle .mdi { font-size: 1.05rem; transition: transform 0.2s ease; }

/* active page + active parent group */
.nav-links a.is-active {
  color: #fff;
  opacity: 0.55;
  cursor: default;
  pointer-events: none;
}
.has-dropdown.group-active > .dropdown-toggle {
  color: #fff;
  border-color: rgba(240, 112, 134, 0.45);
  background: rgba(240, 112, 134, 0.08);
}

/* dropdown panel */
.dropdown {
  list-style: none;
  margin: 0;
  padding: 0.4rem;
  min-width: 210px;
}
.dropdown li { display: block; }
.dropdown-link {
  display: block;
  width: 100%;
  padding: 0.55rem 0.8rem;
  border-radius: var(--radius-sm);
  border: 0;
}
.dropdown-link:hover,
.dropdown-link:focus-visible {
  background: rgba(255, 255, 255, 0.07);
  border: 0;
}
.dropdown-link.is-active { opacity: 0.55; }

/* Desktop: float the dropdown below its toggle, reveal on hover/focus/open */
@media (min-width: 861px) {
  .has-dropdown > .dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--surface);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-sm);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
    z-index: 120;
  }
  .has-dropdown:hover > .dropdown,
  .has-dropdown:focus-within > .dropdown,
  .has-dropdown.open > .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .has-dropdown:hover > .dropdown-toggle .mdi,
  .has-dropdown.open > .dropdown-toggle .mdi { transform: rotate(180deg); }
}

/* Hamburger (hidden on desktop) */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2.5px;
  margin: 0 auto;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Backdrop behind the mobile drawer */
.nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 90;
}

/* ----- Mobile: drawer + accordion --------------------------------------- */
@media (max-width: 860px) {
  .menu-toggle { display: flex; }

  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    height: 100dvh;
    width: min(330px, 86vw);
    flex-direction: column;
    align-items: stretch;
    gap: 0.15rem;
    padding: 5rem 1rem 2rem;
    background: var(--surface);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-left: 1px solid var(--card-border);
    box-shadow: -20px 0 50px rgba(0, 0, 0, 0.5);
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform 0.32s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 110;
  }
  body.nav-open .nav-links { transform: translateX(0); }
  body.nav-open .nav-backdrop { opacity: 1; }
  body.nav-open { overflow: hidden; }

  .nav-links a,
  .dropdown-toggle { width: 100%; justify-content: space-between; padding: 0.7rem 0.9rem; }

  /* groups become accordions */
  .has-dropdown > .dropdown {
    max-height: 0;
    overflow: hidden;
    padding: 0 0.4rem;
    transition: max-height 0.28s ease, padding 0.28s ease;
  }
  .has-dropdown.open > .dropdown { max-height: 30rem; padding: 0.2rem 0.4rem 0.4rem; }
  .has-dropdown.open > .dropdown-toggle .mdi { transform: rotate(180deg); }
  .dropdown-link { padding-left: 1.4rem; color: var(--text-mute); }

  /* hamburger -> X */
  body.nav-open .menu-toggle span:nth-child(1) { transform: translateY(8.5px) rotate(45deg); }
  body.nav-open .menu-toggle span:nth-child(2) { opacity: 0; }
  body.nav-open .menu-toggle span:nth-child(3) { transform: translateY(-8.5px) rotate(-45deg); }
}

/* ============================================================================
   HERO
   ========================================================================== */
.hero {
  text-align: center;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 2.5rem var(--page-pad) 1rem;
}
.hero img {
  float: right;
  width: clamp(150px, 22vw, 250px);
  margin: 0 0 1rem 1rem;
}
.hero h1 {
  font-size: clamp(1.9rem, 5vw, 2.8rem);
  font-weight: 800;
  margin: 0 0 1rem;
}
.hero p {
  font-size: clamp(1rem, 2.4vw, 1.2rem);
  max-width: 65ch;
  margin: 0 auto;
  color: var(--text-mute);
}

/* ============================================================================
   BUTTONS
   ========================================================================== */
.learn-more-btn {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.7rem 1.8rem;
  font-weight: 600;
  border-radius: 50px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  background: transparent;
  color: #fff;
  position: relative;
  overflow: hidden;
  transition: color 0.3s ease, border-color 0.3s ease;
}
.learn-more-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent-grad);
  opacity: 0;
  transition: opacity 0.3s;
  z-index: -1;
}
.learn-more-btn:hover { border-color: transparent; color: #fff; }
.learn-more-btn:hover::before { opacity: 1; }

.gradient-btn {
  display: inline-block;
  margin: 0.6rem 0;
  padding: 0.5rem 1.2rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: #fff;
  border: 2px solid rgb(81, 24, 137);
  border-radius: 50px;
  background-color: transparent;
  letter-spacing: 0.05em;
  position: relative;
  overflow: hidden;
  z-index: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: color 0.3s ease, border-color 0.3s ease;
}
.gradient-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, #c87028, #532ae7);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
}
.gradient-btn:hover { border-color: transparent; color: #fff; }
.gradient-btn:hover::before { opacity: 1; }

/* ============================================================================
   FEATURE CARDS / GRID
   ========================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr));
  gap: 2rem;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 1rem var(--page-pad);
}

.feature-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 2rem;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  box-shadow: 0 0 25px rgba(0, 0, 0, 0.25);
  text-align: center;
}
.feature-card i { font-size: 2.5rem; margin-bottom: 1rem; color: var(--accent); }
.feature-card h3 { font-size: 1.4rem; font-weight: 700; margin: 0 0 0.5rem; }
.feature-card p { font-size: 1rem; color: var(--text-mute); }

/* Scroll-reveal: only hide cards when JS is present (no-JS shows them) */
html.js .feature-card {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.feature-box {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin: 1.5rem auto 5rem;
  padding: 1.5rem 2rem;
  max-width: var(--content-max);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  box-shadow: 0 0 25px rgba(0, 0, 0, 0.25);
}
.feature-content { flex: 1 1 320px; }
.feature-content h2 { margin-top: 0; }
.feature-content img { float: right; width: 100px; margin-left: 1rem; }

/* ============================================================================
   CONTENT PAGES  (harmonised widths + consistent left edge)
   ========================================================================== */
.info {
  max-width: var(--read-max);
  margin: 2rem auto 4rem;
  padding: 0 var(--page-pad);
}
.info > .teaser {
  font-size: 1rem;
  color: var(--link);
  margin: 1rem 0;
  padding-top: 1rem;
}
.info > p {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-soft);
  margin: 1.3rem 0;
  overflow-wrap: anywhere;
}
.info > p > img { border: 0.3rem solid #fff; width: 100%; }
.info > ul { margin-left: 0.7rem; color: var(--text-soft); margin-bottom: 1.4rem; }
.info > ul > li { margin-bottom: 0.2rem; }
.info > h1 { font-size: clamp(1.8rem, 5vw, 2.5rem); color: var(--text-soft); margin-bottom: 2rem; }

.examples {
  max-width: var(--content-max);
  margin: 2rem auto 4rem;
}
.examples > .teaser {
  font-size: 1rem;
  color: var(--link);
  margin: 1rem 0;
  padding: 1rem var(--page-pad) 0;
}
.examples > h1 {
  font-size: clamp(1.8rem, 5vw, 2.5rem);
  color: var(--text-soft);
  margin: 0 0 1rem;
  padding: 0 var(--page-pad);
}
.examples > h2 {
  font-size: 1.5rem;
  color: var(--text-soft);
  margin: 0 0 1rem;
  padding: 0 var(--page-pad);
}

/* downloads */
.package-listing { max-width: var(--content-max); margin: 0 auto; padding: 0 var(--page-pad); }
.package-items > ul > ul > li {
  margin: 0.3rem 0;
  padding: 1rem;
  list-style: none;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  box-shadow: 0 0 25px rgba(0, 0, 0, 0.25);
}
.package-items i { font-size: 2rem; margin-bottom: 1rem; color: var(--accent); }

.dashboards { max-width: var(--content-max); margin: 0 auto; }

/* example listing cards */
.example-listing {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr));
  gap: 1rem;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 1rem var(--page-pad);
}
.example-item {
  padding: 0.7rem 1rem;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  box-shadow: 0 0 25px rgba(0, 0, 0, 0.25);
}
.example-item > div { justify-content: center; }
.example-item > div > i { color: var(--accent); font-size: 2rem; }
.example-item > div > a { padding-right: 7px; }

div.identifier { color: var(--blue); font-weight: 600; }

div.links { display: inline-block; white-space: nowrap; }
div.links > table { border: none; border-collapse: collapse; }
div.links > table > tbody > tr > td { padding: 2px 7px; font-size: 0.8rem; }
div.links > table > tbody > tr > td > i { color: var(--accent); font-size: 1.5rem; text-align: center; }
div.links > table > tbody > tr { display: none; }
div.links > table > tbody > tr.showalways { display: table-row; }

/* ============================================================================
   FOOTER
   ========================================================================== */
.footer {
  background-color: #1e1e1e;
  color: #fff;
  padding: 2.5rem var(--page-pad);
  text-align: center;
}
.footer-content { display: flex; flex-direction: column; align-items: center; gap: 1.5rem; }
.footer-logo { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 0.5rem; }
.footer-logo img { max-height: 50px; padding: 0 10px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 1.5rem; justify-content: center; align-items: center; font-size: 1rem; }
.footer-links a { color: #fff; font-weight: 600; transition: color 0.3s ease; }
.footer-links a:hover { color: var(--accent); }
.social-icon { font-size: 2rem; color: #fff; transition: color 0.3s ease; }
.social-icon:hover { color: var(--accent); }
.footer-bottom { margin-top: 2rem; font-size: 0.9rem; line-height: 1.6; }
.footer-bottom a { color: var(--blue); font-weight: 600; }
.footer-bottom p { color: var(--text-dim); margin-top: 0; }

/* vi7eti icon colours */
.focus > .vi7eti_regular, .feature-card > .vi7eti_regular { color: #8ab1ff; }
.focus > .vi7eti_yellow,  .feature-card > .vi7eti_yellow  { color: #ffc08a; }
.focus > .vi7eti_red,     .feature-card > .vi7eti_red     { color: #ff8aa1; }
.focus > .vi7eti_green,   .feature-card > .vi7eti_green   { color: #62d44d; }
.focus > .vi7eti_blue,    .feature-card > .vi7eti_blue    { color: #4d9ad4; }
.focus > .vi7eti_pink,    .feature-card > .vi7eti_pink    { color: #c04dd4; }

/* markdown tables on info pages */
div.info table { width: 100%; border-collapse: collapse; }
div.info table thead { background: rgba(238, 1, 255, 0.30); text-align: left; }
div.info table td { padding: 3px; }
@media (max-width: 700px) {
  div.info table { display: block; overflow-x: auto; white-space: nowrap; }
}

/* error banner */
.severitymessage {
  max-width: var(--content-max);
  margin: 1rem auto;
  padding: 1rem var(--page-pad);
  color: #ff8aa1;
}

/* respect reduced-motion */
@media (prefers-reduced-motion: reduce) {
  html.js .feature-card { opacity: 1; transform: none; transition: none; }
  * { scroll-behavior: auto; }
}