/*
Theme Name: TTU Graphic Design Theme
Theme URI: 
Author: Nana Etsin
Author URI: 
Description: A custom WordPress theme for the Takoradi Technical University Graphic Design Department 30th Anniversary.
Version: 1.0
License: 
License URI: 
Text Domain: ttu-graphic-design
*/

:root {
  --color-ttu-blue: #001155;
  --color-ttu-red: #D80010;
  --color-ttu-gold: #FDB913;
  --color-ttu-bg: #FAF9F6;
  --color-ttu-text: #0A0A0A;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--color-ttu-bg);
  color: var(--color-ttu-text);
  font-family: "Helvetica Neue", Arial, sans-serif;
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}

/* Accent Line */
.brand-accent {
  height: 6px;
  width: 100%;
  background: linear-gradient(to right, var(--color-ttu-blue), var(--color-ttu-red), var(--color-ttu-gold));
}

/* Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 1.5rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(250, 249, 246, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

@media (min-width: 768px) {
  .header { padding: 1.5rem 2.5rem; }
}

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

.brand-logo img {
  height: 3.5rem;
  width: auto;
  max-width: 220px;
  object-fit: contain;
}

.brand-divider {
  width: 1px;
  height: 3.5rem;
  background-color: rgba(0, 0, 0, 0.2);
}

.brand-text {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: bold;
  line-height: 1.2;
  color: var(--color-ttu-blue);
  transition: color 0.3s;
}

.brand-logo:hover .brand-text {
  color: var(--color-ttu-red);
}

/* Desktop Nav */
.desktop-nav {
  display: none;
  align-items: center;
  gap: 1.5rem;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: bold;
}

@media (min-width: 1280px) {
  .desktop-nav { display: flex; }
}

.nav-link {
  color: rgba(0, 17, 85, 0.7);
  transition: color 0.3s;
  padding: 0.5rem 0;
  position: relative;
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-ttu-red);
}

.btn-donate {
  margin-left: 1rem;
  background-color: var(--color-ttu-red);
  color: white;
  padding: 0.75rem 1.5rem;
  font-weight: bold;
  transition: all 0.3s;
  display: inline-block;
  letter-spacing: 0.1em;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  text-transform: uppercase;
}

.btn-donate:hover {
  background-color: var(--color-ttu-blue);
  transform: scale(1.05);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* Mobile Nav */
.menu-btn {
  display: block;
  background: none;
  border: none;
  color: var(--color-ttu-blue);
  cursor: pointer;
  padding: 0.5rem;
}

@media (min-width: 1280px) {
  .menu-btn { display: none; }
}

.mobile-nav {
  display: none;
  background-color: var(--color-ttu-bg);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.mobile-nav.open {
  display: block;
  animation: slideDown 0.3s ease-out forwards;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.mobile-nav-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: bold;
}

.mobile-nav-link {
  padding: 0.75rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  color: rgba(0, 17, 85, 0.8);
  transition: color 0.3s;
}

.mobile-nav-link:hover, .mobile-nav-link.active {
  color: var(--color-ttu-red);
}

.mobile-nav-link.active {
  border-left: 2px solid var(--color-ttu-red);
  padding-left: 0.5rem;
}

.mobile-btn-donate {
  background-color: var(--color-ttu-red);
  color: white;
  padding: 1rem 1.5rem;
  text-align: center;
  margin-top: 1rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* Main Content */
main {
  flex: 1;
  display: flex;
  flex-direction: column;
  width: 100%;
}

/* Footer */
.footer {
  background-color: var(--color-ttu-blue);
  color: white;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  border-top: 4px solid var(--color-ttu-red);
}

@media (min-width: 768px) {
  .footer {
    padding: 2rem 2.5rem;
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer-links-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

@media (min-width: 768px) {
  .footer-links-wrapper {
    flex-direction: row;
    gap: 2.5rem;
  }
}

.footer-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: bold;
  opacity: 0.7;
}

.footer-links {
  display: flex;
  gap: 1rem;
  font-size: 11px;
  text-transform: uppercase;
  font-weight: bold;
  letter-spacing: 0.05em;
}

@media (min-width: 768px) {
  .footer-links { gap: 2rem; }
}

.footer-links a:hover { color: var(--color-ttu-gold); }

.footer-address {
  font-size: 10px;
  opacity: 0.6;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  text-align: center;
  font-weight: 500;
}

@media (min-width: 640px) {
  .footer-address { text-align: right; }
}

/* General Layout Utilities */
.container {
  padding: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.flex-col { display: flex; flex-direction: column; }
.flex-1 { flex: 1; }


/* Home Page specific styles */
.hero-section {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  position: relative;
  overflow: hidden;
  background-color: var(--color-ttu-bg);
}
@media (min-width: 640px) { .hero-section { padding: 3rem; } }
@media (min-width: 768px) { .hero-section { padding: 4rem; } }
@media (min-width: 1024px) { .hero-section { flex-direction: row; } }

.hero-content {
  z-index: 10;
  flex: 1;
  position: relative;
}

.hero-subtitle {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.4em;
  color: var(--color-ttu-red);
  font-weight: bold;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.hero-subtitle::before {
  content: '';
  width: 2rem;
  height: 2px;
  background-color: var(--color-ttu-red);
  display: inline-block;
}

.hero-title {
  font-family: "Georgia", serif;
  font-size: clamp(80px, 12vw, 140px);
  line-height: 0.8;
  letter-spacing: -0.04em;
  font-weight: 900;
  margin-bottom: 2rem;
  color: var(--color-ttu-blue);
  position: relative;
  z-index: 10;
}
.hero-title .sup {
  font-size: clamp(24px, 4vw, 40px);
  vertical-align: top;
  margin-top: 1rem;
  display: inline-block;
  color: var(--color-ttu-red);
}
@media (min-width: 640px) { .hero-title .sup { margin-top: 2.5rem; } }
.hero-title .sub {
  font-size: clamp(40px, 6vw, 60px);
}

.hero-desc {
  font-size: 1.25rem;
  max-width: 28rem;
  font-weight: 300;
  line-height: 1.6;
  margin-bottom: 2rem;
  color: rgba(0, 0, 0, 0.8);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}
.hero-btn-primary {
  background-color: var(--color-ttu-blue);
  color: white;
  padding: 1rem 2rem;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: bold;
  transition: background-color 0.3s;
}
.hero-btn-primary:hover { background-color: var(--color-ttu-red); }
.hero-btn-secondary {
  border: 1px solid black;
  padding: 1rem 2rem;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: bold;
  transition: background-color 0.3s;
  position: relative;
  overflow: hidden;
}
.hero-btn-secondary span { position: relative; z-index: 10; }
.hero-btn-secondary::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: var(--color-ttu-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s;
  z-index: 0;
}
.hero-btn-secondary:hover::after { transform: scaleX(1); }

.hero-stats {
  display: flex;
  align-items: flex-end;
  gap: 3rem;
  margin-top: 4rem;
}
@media (min-width: 1024px) { .hero-stats { margin-top: 6rem; } }
.stat-number {
  font-size: 40px;
  font-family: serif;
  font-style: italic;
  line-height: 1;
  color: var(--color-ttu-blue);
}
.stat-label {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.6;
  margin-top: 0.5rem;
}

/* Graphics */
.hero-graphic-1 {
  position: absolute;
  top: -8rem;
  left: -5rem;
  width: 24rem;
  height: 24rem;
  border: 40px solid var(--color-ttu-blue);
  border-radius: 50%;
  pointer-events: none;
  opacity: 0.05;
}
.hero-graphic-2 {
  position: absolute;
  top: 2.5rem;
  left: 10rem;
  width: 16rem;
  height: 16rem;
  border: 30px solid var(--color-ttu-red);
  border-radius: 50%;
  pointer-events: none;
  opacity: 0.05;
}
.hero-graphic-3 {
  position: absolute;
  bottom: -5rem;
  right: -5rem;
  pointer-events: none;
  opacity: 0.03;
}
@media (min-width: 768px) { .hero-graphic-3 { right: -10rem; } }

/* Grid Sections */
.grid-sections {
  display: grid;
  grid-template-columns: 1fr;
  background-color: white;
}
@media (min-width: 640px) { .grid-sections { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid-sections { grid-template-columns: repeat(3, 1fr); } }

.grid-item {
  display: block;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  padding: 2rem;
  transition: background-color 0.3s;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.grid-item:hover { background-color: var(--color-ttu-bg); }
.grid-item::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 4px;
  background-color: var(--color-ttu-red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}
.grid-item:hover::before { transform: scaleX(1); }

@media (min-width: 640px) {
  .grid-item:nth-child(odd) { border-right: 1px solid rgba(0, 0, 0, 0.1); }
}
@media (min-width: 1024px) {
  .grid-item { border-right: 1px solid rgba(0, 0, 0, 0.1); }
  .grid-item:nth-child(3n) { border-right: none; }
  .grid-item:nth-child(n+4) { border-bottom: none; }
}

.grid-num {
  font-size: 10px;
  opacity: 0.4;
  margin-bottom: 0.5rem;
  font-weight: bold;
  color: var(--color-ttu-blue);
}
.grid-title {
  font-size: 14px;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
  transition: color 0.3s;
}
.grid-item:hover .grid-title { color: var(--color-ttu-red); }
.grid-desc {
  font-size: 11px;
  line-height: 1.6;
  color: rgba(0, 0, 0, 0.6);
}

/* Donate CTA */
.donate-cta {
  background-color: var(--color-ttu-blue);
  padding: 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  overflow: hidden;
  position: relative;
}
@media (min-width: 1024px) { .donate-cta { padding: 4rem; } }
.donate-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.1;
}
.donate-content {
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.donate-subtitle {
  color: var(--color-ttu-gold);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 12px;
  font-weight: bold;
  margin-bottom: 1rem;
  font-style: italic;
}
.donate-text {
  color: rgba(255, 255, 255, 0.9);
  font-size: 13px;
  margin-bottom: 2rem;
  max-width: 28rem;
  font-weight: 500;
  line-height: 1.6;
}
.donate-btn {
  background-color: var(--color-ttu-red);
  color: white;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  font-size: 10px;
  padding: 1rem 2.5rem;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  display: inline-block;
  transition: all 0.3s;
}
.donate-btn:hover {
  background-color: white;
  color: var(--color-ttu-red);
  transform: scale(1.05);
}

/* Internal Page Styles */
.page-container {
  flex: 1;
  max-width: 1024px;
  margin: 0 auto;
  width: 100%;
  padding: 3rem 1.5rem;
}
@media (min-width: 768px) { .page-container { padding: 4rem 1.5rem; } }

.page-header {
  text-align: center;
  margin-bottom: 4rem;
}
.page-subtitle {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.4em;
  color: var(--color-ttu-gold);
  font-weight: bold;
  margin-bottom: 0.5rem;
}
.page-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-family: Georgia, serif;
  font-style: italic;
  color: var(--color-ttu-text);
  line-height: 1.2;
  margin-bottom: 1rem;
}
.page-desc {
  font-size: 14px;
  letter-spacing: 0.05em;
  color: rgba(0, 0, 0, 0.6);
  max-width: 42rem;
  margin: 0 auto;
  text-transform: uppercase;
}

/* Common Components */
.card-section {
  background-color: white;
  border: 1px solid rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  margin-bottom: 3rem;
}
@media (min-width: 768px) { .card-section { flex-direction: row; } }

.card-header {
  padding: 2rem;
  background-color: rgba(250, 249, 246, 0.5);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}
@media (min-width: 768px) {
  .card-header {
    width: 33.333%;
    padding: 3rem;
    border-bottom: none;
    border-right: 1px solid rgba(0, 0, 0, 0.1);
  }
}
.card-header h2 {
  font-size: 14px;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-ttu-blue);
}

.card-content {
  padding: 2rem;
  font-size: 13px;
  color: rgba(0, 0, 0, 0.7);
  line-height: 1.6;
  font-weight: 300;
}
@media (min-width: 768px) {
  .card-content { width: 66.666%; padding: 3rem; }
}

.grid-2 { display: grid; grid-template-columns: 1fr; gap: 1px; background-color: rgba(0,0,0,0.1); border: 1px solid rgba(0,0,0,0.1); margin-bottom: 3rem;}
@media (min-width: 768px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } }
.grid-3 { display: grid; grid-template-columns: 1fr; gap: 1px; background-color: rgba(0,0,0,0.1); border: 1px solid rgba(0,0,0,0.1); margin-bottom: 3rem;}
@media (min-width: 768px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }

.grid-item-white {
  background-color: white;
  padding: 2rem;
  transition: background-color 0.3s;
}
.grid-item-white:hover { background-color: rgba(253, 185, 19, 0.05); }

/* Icons */
.icon { width: 2rem; height: 2rem; margin-bottom: 1.5rem; opacity: 0.8; display: inline-block; }
.icon-blue { color: var(--color-ttu-blue); stroke: var(--color-ttu-blue); }
.icon-gold { color: var(--color-ttu-gold); stroke: var(--color-ttu-gold); }

/* Table */
.data-table { width: 100%; border-collapse: collapse; text-align: left; font-size: 13px; font-weight: 300; }
.data-table th { padding: 1rem; font-weight: bold; text-transform: uppercase; letter-spacing: 0.1em; font-size: 10px; background-color: var(--color-ttu-bg); border-bottom: 1px solid rgba(0,0,0,0.1); }
.data-table td { padding: 1rem; border-bottom: 1px solid rgba(0,0,0,0.1); }
.data-table tr:hover { background-color: rgba(253, 185, 19, 0.05); }

/* WordPress Nav Menu Support */
.desktop-nav ul, .desktop-nav div > ul {
  display: flex;
  list-style: none;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
  align-items: center;
}
.desktop-nav ul li a {
  color: rgba(0, 17, 85, 0.7);
  transition: color 0.3s;
  padding: 0.5rem 0;
  position: relative;
  display: inline-block;
}
.desktop-nav ul li a:hover, .desktop-nav ul li.current-menu-item > a {
  color: var(--color-ttu-blue);
}
.desktop-nav ul li.current-menu-item > a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-ttu-red);
}
.desktop-nav ul li.menu-item-has-donate-btn a {
  margin-left: 1rem;
  background-color: var(--color-ttu-red);
  color: white !important;
  padding: 0.75rem 1.5rem;
  font-weight: bold;
  transition: all 0.3s;
  display: inline-block;
  letter-spacing: 0.1em;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  text-transform: uppercase;
}
.desktop-nav ul li.menu-item-has-donate-btn a:hover {
  background-color: var(--color-ttu-blue) !important;
  transform: scale(1.05);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}
.desktop-nav ul li.menu-item-has-donate-btn.current-menu-item > a::after {
  display: none;
}

.mobile-nav-content ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.mobile-nav-content li a {
  display: block;
  padding: 0.75rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  color: rgba(0, 17, 85, 0.8);
  transition: color 0.3s;
}
.mobile-nav-content li a:hover, .mobile-nav-content li.current-menu-item > a {
  color: var(--color-ttu-red);
}
.mobile-nav-content li.current-menu-item > a {
  border-left: 2px solid var(--color-ttu-red);
  padding-left: 0.5rem;
}

/* --- Performance & Accessibility Additions --- */

/* Accessibility: Current Page Styles */
.desktop-nav ul li a[aria-current="page"] {
  color: var(--color-ttu-red);
}
.desktop-nav ul li a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: bottom left;
}
.mobile-nav-content li a[aria-current="page"] {
  color: var(--color-ttu-red);
  border-left: 2px solid var(--color-ttu-red);
  padding-left: 0.5rem;
}

/* Animations */
.animate-fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  will-change: opacity, transform;
}
.animate-fade-in {
  opacity: 0;
  transition: opacity 0.8s ease-out;
  will-change: opacity;
}

.animate-fade-up.is-visible,
.animate-fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Content Visibility for heavy off-screen sections */
.footer, .grid-sections, .donate-cta {
  content-visibility: auto;
  contain-intrinsic-size: auto 500px;
}