/* ====================================================
   APPIBRIUM BRAND IDENTITY PORTAL — style.css
   Beige Black Clean Aesthetic | Light Editorial Layout
   ==================================================== */

/* Fonts */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Jost:wght@300;400;500;600;700;800;900&display=swap');

/* CSS Variables */
:root {
  --beige:         #FAF8F5; /* Base canvas background */
  --beige-elevated:#F3EFE9; /* Alternative background elevation */
  --night:         #0A1A10; /* Stable foundation dark text */
  --mint:          #00B872; /* Active accent color */
  --mint-bright:   #00E090; /* Brand Electric Mint */
  --mint-glow:     rgba(0, 224, 144, 0.08);
  --snow:          #FAFCFA; /* High-contrast clean white surface */
  --grey-text:     #4A5A50; /* Body text color */
  --light-border:  rgba(10, 26, 16, 0.08); /* Sophisticated thin borders */
  
  --radius: 12px;
  --transition: all 0.25s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  background-color: var(--beige);
  color: var(--night);
  line-height: 1.6;
  padding-bottom: 5rem;
}

h1, h2, h3, h4 {
  font-family: 'Jost', sans-serif;
  font-weight: 800;
  color: var(--night);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--beige);
}
::-webkit-scrollbar-thumb {
  background: rgba(10, 26, 16, 0.12);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--mint);
}

/* Base Link Layout */
a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

/* Grid blueprint background */
.bg-decor {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--light-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--light-border) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(circle at center, black 40%, transparent 90%);
  pointer-events: none;
  opacity: 0.45;
  z-index: 0;
}

/* Container */
.container {
  max-width: 840px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

/* Header */
.main-header {
  border-bottom: 1px solid var(--light-border);
  background: rgba(250, 248, 245, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  max-width: 840px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo img {
  height: 32px;
  width: auto;
}

.main-site-btn {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--snow);
  background: var(--night);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.main-site-btn:hover {
  background: var(--mint);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 184, 114, 0.25);
}

/* Profile Block */
.profile-block {
  text-align: center;
  padding: 4rem 0 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.avatar-wrapper {
  background: var(--snow);
  border: 1px solid var(--night);
  border-radius: 20px;
  padding: 1rem;
  box-shadow: 5px 5px 0px var(--night);
  margin-bottom: 1.5rem;
  transition: var(--transition);
}

.avatar-wrapper:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0px var(--night);
}

.avatar-logo {
  width: 72px;
  height: 72px;
  object-fit: contain;
}

.profile-block h1 {
  font-size: 2.2rem;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.profile-block p {
  font-size: 1rem;
  color: var(--grey-text);
  max-width: 500px;
  line-height: 1.6;
}

/* Grid Categories */
.category-section {
  margin-bottom: 3.5rem;
}

.category-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--night);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  border-left: 3px solid var(--night);
  padding-left: 0.75rem;
}

/* Directory Links Cards */
.directory-grid {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.dir-card {
  background: var(--snow);
  border: 1px solid var(--light-border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  transition: var(--transition);
}

.dir-card:hover {
  border-color: var(--night);
  box-shadow: 4px 4px 0px var(--night);
  transform: translate(-2px, -2px);
}

.dir-info {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.dir-icon {
  width: 42px; height: 42px;
  border-radius: 8px;
  background: var(--beige-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--night);
  flex-shrink: 0;
  transition: var(--transition);
}

.dir-card:hover .dir-icon {
  background: var(--night);
  color: var(--snow);
}

.dir-text h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--night);
  margin-bottom: 0.2rem;
}

.dir-text p {
  font-size: 0.85rem;
  color: var(--grey-text);
  line-height: 1.5;
}

.dir-arrow {
  color: var(--night);
  opacity: 0.4;
  transition: var(--transition);
}

.dir-card:hover .dir-arrow {
  opacity: 1;
  color: var(--mint);
  transform: translateX(4px);
}

/* Brand Palette Cards */
.palette-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.color-card {
  background: var(--snow);
  border: 1px solid var(--light-border);
  border-radius: var(--radius);
  padding: 0.75rem;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
  position: relative;
}

.color-card:hover {
  border-color: var(--night);
  transform: translateY(-2px);
}

.color-block {
  height: 64px;
  border-radius: 6px;
  margin-bottom: 0.75rem;
  border: 1px solid rgba(10, 26, 16, 0.05);
}

.color-card h3 {
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 0.15rem;
}

.color-card span {
  font-size: 0.75rem;
  color: var(--grey-text);
  font-family: monospace;
}

.tooltip {
  position: absolute;
  bottom: 105%; left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: var(--night);
  color: var(--snow);
  font-size: 0.72rem;
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  pointer-events: none;
  opacity: 0;
  transition: var(--transition);
  white-space: nowrap;
}

.color-card:active .tooltip {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Download Section */
.downloads-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.download-card {
  background: var(--snow);
  border: 1px solid var(--light-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: var(--transition);
}

.download-card:hover {
  border-color: var(--night);
  box-shadow: 4px 4px 0px var(--night);
  transform: translate(-2px, -2px);
}

.download-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.75rem;
}

.download-preview {
  background: var(--beige);
  border: 1px solid var(--light-border);
  border-radius: 8px;
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  height: 120px;
}

.download-preview img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
}

.download-btns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.dl-btn {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--night);
  border: 1px solid var(--light-border);
  background: var(--snow);
  padding: 0.5rem;
  border-radius: 6px;
  text-align: center;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
}

.dl-btn:hover {
  border-color: var(--night);
  background: var(--night);
  color: var(--snow);
}

/* Social Grid Icons */
.socials-row {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.social-circle-btn {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--snow);
  border: 1px solid var(--light-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--night);
  box-shadow: 3px 3px 0px var(--night);
}

.social-circle-btn:hover {
  background: var(--night);
  color: var(--snow);
  border-color: var(--night);
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0px var(--night);
}

/* Footer Section */
.portal-footer {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--light-border);
  margin-top: 4rem;
}

.portal-footer p {
  font-size: 0.8rem;
  color: var(--grey-text);
}

.portal-footer a {
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.portal-footer a:hover {
  color: var(--mint);
}

/* Responsiveness */
@media (max-width: 640px) {
  .palette-grid { grid-template-columns: 1fr 1fr; }
  .downloads-grid { grid-template-columns: 1fr; }
  .profile-block h1 { font-size: 1.8rem; }
  .dir-card { padding: 1rem; gap: 1rem; }
  .dir-info { gap: 0.75rem; }
  .dir-icon { width: 38px; height: 38px; }
  .dir-text h3 { font-size: 0.95rem; }
}