/* ===================================
 * MAIN CSS - Portfolio Design System
 * Carlos R. Gomez - Security Engineering Manager
 * Version: 7.0 - Modular Architecture
 * =================================== */

/* Import Design System Modules */
@import url('./design-system/tokens.css');
@import url('./design-system/base.css');
@import url('./design-system/components.css');
@import url('./design-system/utilities.css');

/* ===================================
 * LAYOUT SYSTEM
 * =================================== */

/* Main Wrapper */
#main-wrapper {
  background: var(--color-background);
  overflow-x: hidden;
}

/* Modern Single-Column Layout */
.min-h-screen {
  min-height: 100vh;
}

/* Section System */
.section {
  padding: var(--space-20) 0;
  position: relative;
}

.section-sm {
  padding: var(--space-16) 0;
}

.section-lg {
  padding: var(--space-24) 0;
}

.section-xl {
  padding: var(--space-32) 0;
}

/* Section Titles */
.section-title {
  margin-bottom: var(--space-8);
  text-align: center;
}

.section-title h2 {
  margin-bottom: var(--space-2);
  color: inherit;
  position: relative;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: -var(--space-2);
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

.section-title.text-left {
  text-align: left;
}

.section-title.text-left h2::after {
  left: 0;
  transform: none;
}

/* ===================================
 * CONTENT COMPONENTS
 * =================================== */

/* Content Items for Experience */
.content-item {
  margin-bottom: var(--space-8);
  padding: var(--space-6);
  background: var(--color-card);
  border-radius: var(--radius-lg);
  border: none;
  transition: var(--transition-smooth);
}

.content-item:hover {
  background: var(--color-card);
}

.content-item-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
  gap: var(--space-2);
}

.content-item h3 {
  margin: 0;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-foreground);
  line-height: var(--line-height-tight);
}

.content-item h4 {
  margin: 0 0 var(--space-2);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  color: var(--color-foreground);
}

.content-item h5 {
  margin: 0 0 var(--space-3);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-muted-foreground);
}

.content-item small {
  color: var(--color-muted-foreground);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  background: var(--color-muted);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-md);
}

/* ===================================
 * SKILLS & CERTIFICATIONS
 * =================================== */

/* Skills Grid */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.skill-category {
  background: var(--color-card);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  border: none;
  transition: var(--transition-smooth);
}

.skill-category:hover {
  background: var(--color-card);
}

.skill-category h3 {
  color: var(--color-foreground);
  margin-bottom: var(--space-4);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
}

.skill-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.skill-tag {
  background: hsl(210 100% 60% / 0.1);
  color: var(--color-secondary);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border: none;
  transition: var(--transition-smooth);
  display: inline-block;
}

.skill-tag:hover {
  background: hsl(210 100% 60% / 0.2);
  transform: translateY(-1px);
}

/* Certifications */
.certifications-grid {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.cert-item {
  background: var(--color-card);
  border: none;
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  transition: var(--transition-smooth);
  position: relative;
}

.cert-item:hover {
  background: var(--color-card);
}

.cert-item a {
  display: block;
  color: var(--color-primary);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-base);
  line-height: var(--line-height-snug);
  margin-bottom: var(--space-2);
}

.cert-item a:hover {
  color: var(--color-primary-hover);
}

.cert-item small {
  display: block;
  color: var(--color-muted-foreground);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-normal);
  background: none;
  padding: 0;
}

@media (min-width: 768px) {
  .certifications-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===================================
 * FOOTER
 * =================================== */
.footer {
  background: var(--color-foreground);
  color: var(--color-background);
  padding: var(--space-12) 0 var(--space-8);
  margin-top: var(--space-16);
}

.footer .copyright-section {
  text-align: center;
  padding: var(--space-6) 0;
  border-top: 1px solid hsl(0 0% 100% / 0.1);
}

.footer .copyright-section .copytext {
  font-size: var(--font-size-sm);
  color: hsl(0 0% 100% / 0.7);
  font-weight: var(--font-weight-normal);
}

.footer .copyright-section .copytext a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer .copyright-section .copytext a:hover {
  color: var(--color-background);
}



/* ===================================
 * EDUCATION CARDS LAYOUT
 * =================================== */
.education-cards-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.education-card {
  flex: 1;
}

@media (min-width: 768px) {
  .education-cards-container {
    flex-direction: row;
  }
}

/* ===================================
 * CERTIFICATIONS CARDS LAYOUT
 * =================================== */
.certifications-cards-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.certification-card {
  flex: 1;
}

@media (min-width: 768px) {
  .certifications-cards-container {
    flex-direction: row;
  }
}

/* ===================================
 * SKILLS CARDS LAYOUT
 * =================================== */
.skills-cards-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.skill-card {
  flex: 1;
}

@media (min-width: 768px) {
  .skills-cards-container {
    flex-direction: row;
  }
}

/* ===================================
 * TECHNICAL SKILLS GRID
 * =================================== */
.technical-skills-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .technical-skills-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
  }
}

/* ===================================
 * RESPONSIVE DESIGN
 * =================================== */
@media (min-width: 768px) {
  .section {
    padding: var(--space-24) 0;
  }
}

@media (max-width: 767px) {
  .container {
    padding: 0 var(--space-4);
  }
  
  .section {
    padding: var(--space-16) 0;
  }
}