/* principal.css - Professional Principal Page Styling - REM BASED */

/* ===== CSS Variables ===== */
:root {
  --primary-color: #0d6efd;
  --primary-dark: #0b5ed7;
  --primary-light: #e8f4ff;
  --secondary-color: #6c757d;
  --accent-color: #0dcaf0;
  --success-color: #198754;
  --warning-color: #ffc107;
  --danger-color: #dc3545;
  --light-color: #f8f9fa;
  --dark-color: #212529;
  --gray-50: #f8f9fa;
  --gray-100: #f8f9fa;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-400: #ced4da;
  --gray-500: #adb5bd;
  --gray-600: #6c757d;
  --gray-700: #495057;
  --gray-800: #343a40;
  --gray-900: #212529;

  --shadow-sm: 0 0.125rem 0.5rem rgba(0, 0, 0, 0.08);
  --shadow-md: 0 0.25rem 1rem rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 0.5rem 2rem rgba(0, 0, 0, 0.16);
  --shadow-xl: 0 1rem 3rem rgba(0, 0, 0, 0.2);

  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1.25rem;
  --radius-xl: 1.5rem;

  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Spacing variables */
  --space-xs: 0.5rem; /* 8px */
  --space-sm: 1rem; /* 16px */
  --space-md: 1.5rem; /* 24px */
  --space-lg: 2rem; /* 32px */
  --space-xl: 3rem; /* 48px */
  --space-2xl: 4rem; /* 64px */
}

/* ===== Base Typography ===== */
html {
  font-size: 16px;
}

body {
  font-family: "Inter", sans-serif;
  font-size: 1rem;
  color: var(--gray-700);
  line-height: 1.6;
  letter-spacing: -0.01em;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: "Montserrat", sans-serif;
  color: var(--gray-900);
  font-weight: 600;
  margin-bottom: 0.75rem;
  line-height: 1.3;
  letter-spacing: -0.015em;
}

h1 {
  font-size: 2.25rem;
  font-weight: 700;
}

h2 {
  font-size: 1.875rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

h5 {
  font-size: 1.125rem;
}

h6 {
  font-size: 1rem;
}

/* ===== Section Padding ===== */
.section-padding {
  padding: var(--space-xl) 0;
}

@media (max-width: 61.9375rem) {
  .section-padding {
    padding: var(--space-lg) 0;
  }
}

@media (max-width: 35.9375rem) {
  .section-padding {
    padding: var(--space-md) 0;
  }
}

/* ===== Page Header ===== */
.page-header {
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--primary-dark) 100%
  );
  padding: var(--space-2xl) 0;
  color: white;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 12.5rem;
  height: 12.5rem;
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.1) 0%,
    rgba(255, 255, 255, 0) 70%
  );
  border-radius: 50%;
}

.page-breadcrumb {
  margin-bottom: var(--space-md);
}

.breadcrumb {
  background: transparent;
  padding: 0;
  margin-bottom: 0;
}

.breadcrumb-item {
  color: rgba(255, 255, 255, 0.8);
}

.breadcrumb-item a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb-item a:hover {
  color: white;
}

.breadcrumb-item.active {
  color: white;
  font-weight: 500;
}

.breadcrumb-item + .breadcrumb-item::before {
  color: rgba(255, 255, 255, 0.6);
}

.page-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: var(--space-sm);
  color: white;
  text-shadow: 0 0.125rem 0.5rem rgba(0, 0, 0, 0.2);
}

.page-subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 0;
  max-width: 48rem;
  margin: 0 auto;
}

/* ===== Principal Profile ===== */
.principal-profile {
  background: white;
}

.principal-portrait {
  position: relative;
}

.portrait-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  margin-bottom: var(--space-md);
}

.portrait-image {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--transition-slow);
}

.portrait-frame:hover .portrait-image {
  transform: scale(1.03);
}

.portrait-badge {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(0.625rem);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--primary-color);
  box-shadow: var(--shadow-sm);
}

.portrait-badge i {
  font-size: 1rem;
}

.portrait-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  padding: var(--space-lg) var(--space-md) var(--space-md);
  color: white;
}

.overlay-content h5 {
  font-size: 1.25rem;
  color: white;
  margin-bottom: 0.25rem;
}

.overlay-content p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 0;
  font-size: 0.875rem;
}

.portrait-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}

.stat-item {
  background: var(--gray-50);
  padding: var(--space-sm);
  border-radius: var(--radius-md);
  text-align: center;
  border: 0.0625rem solid var(--gray-200);
  transition: all var(--transition-normal);
}

.stat-item:hover {
  background: var(--primary-light);
  border-color: var(--primary-color);
  transform: translateY(-0.1875rem);
}

.stat-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.25rem;
  line-height: 1;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--gray-600);
  font-weight: 500;
}

/* Principal Info */
.principal-info {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.info-header {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 0.0625rem solid var(--gray-200);
}

.principal-name {
  font-size: 2rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.25rem;
}

.principal-designation {
  font-size: 1.125rem;
  color: var(--primary-color);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.principal-institution {
  font-size: 1rem;
  color: var(--gray-700);
  margin-bottom: var(--space-sm);
}

.accreditation-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--success-color);
  color: white;
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
}

.accreditation-badge i {
  font-size: 0.875rem;
}

/* Professional Summary */
.professional-summary {
  margin-bottom: var(--space-lg);
}

.professional-summary p {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--gray-700);
}

/* Qualifications Section */
.qualifications-section {
  margin-bottom: var(--space-lg);
}

.section-heading {
  font-size: 1.25rem;
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  color: var(--gray-900);
}

.section-heading i {
  color: var(--primary-color);
}

.qualification-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.qualification-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-sm);
  background: var(--gray-50);
  border-radius: var(--radius-md);
  border-left: 0.25rem solid var(--primary-color);
  transition: all var(--transition-normal);
}

.qualification-item:hover {
  background: var(--primary-light);
  transform: translateX(0.25rem);
}

.qualification-icon {
  background: var(--primary-color);
  color: white;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.qualification-icon i {
  font-size: 1rem;
}

.qualification-content h5 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
  color: var(--gray-900);
}

.qualification-content p {
  font-size: 0.875rem;
  margin-bottom: 0.125rem;
}

.qualification-content small {
  font-size: 0.75rem;
}

/* Contact Section */
.contact-section {
  margin-bottom: var(--space-lg);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

@media (max-width: 35.9375rem) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-sm);
  background: var(--gray-50);
  border-radius: var(--radius-md);
  border: 0.0625rem solid transparent;
  transition: all var(--transition-normal);
}

.contact-item:hover {
  background: white;
  border-color: var(--gray-300);
  transform: translateY(-0.125rem);
  box-shadow: var(--shadow-sm);
}

.contact-icon {
  background: var(--primary-light);
  color: var(--primary-color);
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon i {
  font-size: 1rem;
}

.contact-details h6 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 0.25rem;
}

.contact-details p,
.contact-details a {
  font-size: 0.875rem;
  color: var(--gray-600);
  margin-bottom: 0;
  text-decoration: none;
}

.contact-details a:hover {
  color: var(--primary-color);
}

/* Action Buttons */
.action-buttons {
  display: flex;
  gap: var(--space-sm);
  margin-top: auto;
  padding-top: var(--space-md);
  border-top: 0.0625rem solid var(--gray-200);
}

@media (max-width: 47.9375rem) {
  .action-buttons {
    flex-direction: column;
  }
}

.action-buttons .btn {
  padding: 0.75rem 1.5rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
}

.action-buttons .btn-lg {
  font-size: 1rem;
  padding: 0.875rem 1.75rem;
}

.action-buttons .btn-primary {
  background: var(--primary-color);
  border: none;
}

.action-buttons .btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-0.125rem);
  box-shadow: var(--shadow-md);
}

.action-buttons .btn-outline-primary {
  border: 0.125rem solid var(--primary-color);
  color: var(--primary-color);
  background: transparent;
}

.action-buttons .btn-outline-primary:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-0.125rem);
  box-shadow: var(--shadow-md);
}

/* ===== Leadership Section ===== */
.leadership-section {
  background: var(--gray-50);
}

.section-lead {
  font-size: 1.125rem;
  color: var(--gray-600);
  margin-bottom: var(--space-xl);
  max-width: 48rem;
  margin-left: auto;
  margin-right: auto;
}

.leadership-card {
  background: white;
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  height: 100%;
  border: 0.0625rem solid var(--gray-200);
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.leadership-card:hover {
  transform: translateY(-0.5rem);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.card-icon {
  width: 3.5rem;
  height: 3.5rem;
  background: var(--primary-light);
  color: var(--primary-color);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
}

.card-icon i {
  font-size: 1.5rem;
}

.leadership-card h4 {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
  color: var(--gray-900);
}

.responsibility-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.responsibility-list li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
  color: var(--gray-700);
  line-height: 1.5;
}

.responsibility-list li:last-child {
  margin-bottom: 0;
}

.responsibility-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
}

/* ===== Message Section ===== */
.message-section {
  background: white;
}

.message-header {
  padding: var(--space-lg);
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--primary-dark) 100%
  );
  border-radius: var(--radius-lg);
  color: white;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.message-icon {
  font-size: 3rem;
  color: rgba(255, 255, 255, 0.2);
  margin-bottom: var(--space-sm);
}

.message-title {
  font-size: 1.75rem;
  color: white;
  margin-bottom: var(--space-md);
}

.message-author h4 {
  font-size: 1.25rem;
  color: white;
  margin-bottom: 0.25rem;
}

.message-author p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 0;
  font-size: 0.875rem;
}

.message-content {
  padding: var(--space-lg);
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  border: 0.0625rem solid var(--gray-200);
}

.message-text p {
  margin-bottom: var(--space-md);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--gray-700);
}

.message-text p.lead {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--gray-900);
}

.message-text p:last-child {
  margin-bottom: 0;
}

.message-signature {
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: 0.125rem solid var(--gray-300);
}

.signature {
  font-family: cursive;
  font-size: 1.5rem;
  color: var(--gray-900);
  margin-bottom: 0.5rem;
}

.author-details {
  font-size: 0.875rem;
  color: var(--gray-700);
  line-height: 1.5;
}

.author-details strong {
  font-size: 1rem;
  color: var(--gray-900);
}

/* ===== Achievements Section ===== */
.achievements-section {
  background: var(--gray-50);
}

.achievement-card {
  background: white;
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  text-align: center;
  border: 0.0625rem solid var(--gray-200);
  transition: all var(--transition-normal);
  height: 100%;
  box-shadow: var(--shadow-sm);
}

.achievement-card:hover {
  transform: translateY(-0.5rem);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.achievement-icon {
  width: 4rem;
  height: 4rem;
  background: var(--primary-light);
  color: var(--primary-color);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
}

.achievement-icon i {
  font-size: 1.75rem;
}

.achievement-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
  color: var(--gray-900);
}

.achievement-card p {
  font-size: 0.875rem;
  color: var(--gray-600);
  margin-bottom: 0;
  line-height: 1.5;
}

/* ===== Office Section ===== */
.office-section {
  background: white;
}

.office-card {
  background: var(--gray-50);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  text-align: center;
  border: 0.0625rem solid var(--gray-200);
  transition: all var(--transition-normal);
  height: 100%;
}

.office-card:hover {
  background: white;
  transform: translateY(-0.5rem);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.office-icon {
  width: 4rem;
  height: 4rem;
  background: var(--primary-light);
  color: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
}

.office-icon i {
  font-size: 1.5rem;
}

.office-card h4 {
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
  color: var(--gray-900);
}

.office-card p {
  font-size: 0.875rem;
  color: var(--gray-600);
  margin-bottom: var(--space-md);
  line-height: 1.5;
}

.office-contact {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--primary-color);
  color: white;
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
}

.office-contact i {
  font-size: 0.75rem;
}

/* ===== Links Section ===== */
.links-section {
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--primary-dark) 100%
  );
}

.links-section .section-title {
  color: white;
}

.links-section .section-lead {
  color: rgba(255, 255, 255, 0.9);
}

.quick-access-card {
  display: block;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(0.625rem);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  text-align: center;
  color: white;
  text-decoration: none;
  border: 0.0625rem solid rgba(255, 255, 255, 0.2);
  transition: all var(--transition-normal);
  height: 100%;
}

.quick-access-card:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-0.5rem);
  border-color: rgba(255, 255, 255, 0.3);
  text-decoration: none;
  color: white;
}

.access-icon {
  width: 4rem;
  height: 4rem;
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
}

.access-icon i {
  font-size: 1.5rem;
}

.quick-access-card h5 {
  font-size: 1.125rem;
  color: white;
  margin-bottom: var(--space-sm);
}

.quick-access-card p {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 0;
  line-height: 1.5;
}

/* ===== Back to Top Button ===== */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 3rem;
  height: 3rem;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 1000;
  box-shadow: var(--shadow-md);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--primary-dark);
  transform: translateY(-0.25rem);
  box-shadow: var(--shadow-lg);
}

/* ===== Responsive Design ===== */

/* Desktop (62rem - 74.9375rem) */
@media (max-width: 74.9375rem) {
  .page-title {
    font-size: 2.25rem;
  }

  .page-subtitle {
    font-size: 1.125rem;
  }

  .principal-name {
    font-size: 1.75rem;
  }
}

/* Tablet (48rem - 61.9375rem) */
@media (max-width: 61.9375rem) {
  .page-header {
    padding: var(--space-xl) 0;
  }

  .page-title {
    font-size: 2rem;
  }

  .page-subtitle {
    font-size: 1rem;
  }

  .principal-portrait {
    margin-bottom: var(--space-xl);
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .action-buttons {
    flex-direction: column;
  }
}

/* Mobile (36rem - 47.9375rem) */
@media (max-width: 47.9375rem) {
  .page-title {
    font-size: 1.75rem;
  }

  .principal-name {
    font-size: 1.5rem;
  }

  .professional-summary p {
    font-size: 1rem;
  }

  .section-heading {
    font-size: 1.125rem;
  }

  .message-header {
    margin-bottom: var(--space-lg);
  }
}

/* Mobile Portrait (≤35.9375rem) */
@media (max-width: 35.9375rem) {
  html {
    font-size: 15px;
  }

  .page-title {
    font-size: 1.5rem;
  }

  .page-subtitle {
    font-size: 0.875rem;
  }

  .section-padding {
    padding: var(--space-lg) 0;
  }

  .principal-portrait {
    margin-bottom: var(--space-lg);
  }

  .portrait-stats {
    grid-template-columns: 1fr;
  }

  .qualification-item {
    flex-direction: column;
    text-align: center;
  }

  .qualification-icon {
    margin: 0 auto var(--space-sm);
  }

  .message-text p {
    font-size: 0.875rem;
  }

  .back-to-top {
    width: 2.5rem;
    height: 2.5rem;
    font-size: 1rem;
    bottom: 1.5rem;
    right: 1.5rem;
  }
}

/* Small Mobile (≤23.4375rem) */
@media (max-width: 23.4375rem) {
  html {
    font-size: 14px;
  }

  .page-header {
    padding: var(--space-lg) 0;
  }

  .principal-name {
    font-size: 1.25rem;
  }

  .action-buttons .btn {
    padding: 0.625rem 1rem;
    font-size: 0.875rem;
  }
}

/* ===== Print Styles ===== */
@media print {
  .page-header {
    background: white !important;
    color: black !important;
    padding: 1rem 0 !important;
  }

  .page-title {
    color: black !important;
    text-shadow: none !important;
  }

  .page-subtitle {
    color: var(--gray-700) !important;
  }

  .breadcrumb-item a,
  .breadcrumb-item.active {
    color: var(--gray-700) !important;
  }

  .breadcrumb-item + .breadcrumb-item::before {
    color: var(--gray-700) !important;
  }

  .back-to-top,
  .action-buttons {
    display: none !important;
  }

  .principal-portrait {
    break-inside: avoid;
  }
}

/* ===== Accessibility ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .portrait-frame:hover .portrait-image,
  .stat-item:hover,
  .qualification-item:hover,
  .contact-item:hover,
  .leadership-card:hover,
  .achievement-card:hover,
  .office-card:hover,
  .quick-access-card:hover,
  .back-to-top:hover {
    transform: none !important;
  }
}

/* Focus styles for accessibility */
button:focus,
a:focus,
input:focus,
textarea:focus,
select:focus {
  outline: 0.125rem solid var(--primary-color);
  outline-offset: 0.125rem;
}

/* High contrast mode */
@media (prefers-contrast: high) {
  .quick-access-card {
    border: 0.125rem solid white;
  }

  .office-card {
    border: 0.125rem solid var(--gray-700);
  }
}