/* ============================================
   Waldo Panozo - Portfolio V2
   Modern & Professional Design for Senior Engineer
   ============================================ */

/* ============================================
   1. VARIABLES & RESET
   ============================================ */
:root {
  --primary-color: #2563eb;
  --primary-dark: #0f172a;
  --primary-light: #60a5fa;
  --secondary-color: #0ea5e9;
  --accent-color: #38bdf8;
  --text-dark: #0f172a;
  --text-gray: #475569;
  --text-light: #94a3b8;
  --bg-light: #f8fafc;
  --bg-white: #ffffff;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.12);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.18);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-dark);
  background-color: var(--bg-white);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-dark);
  margin-bottom: 1rem;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

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

ul {
  list-style: none;
}

/* ============================================
   2. NAVIGATION
   ============================================ */
.navbar {
  min-height: 80px;
  padding: 1rem 0;
  background-color: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
  background-color: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid var(--border-color);
}

.navbar-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.5px;
}

.navbar:not(.scrolled) .navbar-brand {
  color: white !important;
}

.navbar.scrolled .navbar-brand {
  color: var(--text-dark) !important;
}

.navbar-nav > li > a {
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.5rem 1rem !important;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: var(--transition);
  position: relative;
}


.navbar.scrolled .navbar-nav > li > a {
  color: var(--text-gray) !important;
}

.navbar-nav > li > a:hover,
.navbar-nav > li.active > a {
  color: var(--primary-color) !important;
}

.navbar-toggle {
  border: none;
  padding: 4px 8px;
}

.navbar-toggle .icon-bar {
  background-color: var(--text-dark);
}

.nav-menu-wrapper {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1.5rem;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-link-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: var(--transition);
}

.navbar:not(.scrolled) .nav-link-icon {
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: white;
}

.navbar.scrolled .nav-link-icon {
  border: 1px solid var(--border-color);
  color: var(--text-gray);
}

.nav-link-icon:hover {
  color: var(--primary-color);
  border-color: var(--primary-color);
  box-shadow: 0 10px 20px rgba(37, 99, 235, 0.15);
  transform: translateY(-2px);
}

.nav-cta {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: white;
  box-shadow: 0 15px 25px -10px rgba(37, 99, 235, 0.6);
}

.nav-cta:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 20px 35px -15px rgba(30, 64, 175, 0.8);
}

.navbar-nav > li > a::after {
  content: '';
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 0.15rem;
  height: 2px;
  background-color: var(--primary-color);
  opacity: 0;
  transform: translateY(4px);
  transition: var(--transition);
}

.navbar-nav > li.active > a::after,
.navbar-nav > li > a:hover::after {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 768px) {
  #main-nav .navbar-collapse {
    display: flex !important;
    align-items: center;
    justify-content: flex-end;
  }

  #main-nav .navbar-nav {
    float: none !important;
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }
}

@media (max-width: 991px) {
  .nav-menu-wrapper {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .nav-actions {
    width: 100%;
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .nav-cta {
    width: 100%;
    text-align: center;
  }
}

/* ============================================
   3. HERO SECTION
   ============================================ */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 45%, #2563eb 100%);
  padding-top: 80px;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.2);
}

.hero-content {
  position: relative;
  z-index: 2;
  color: white;
  text-align: center;
}

.hero-photo {
  margin-bottom: 2rem;
}

.hero-photo img {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  border: 4px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  object-fit: cover;
  margin: 0 auto;
  display: block;
}

.hero-badge {
  display: inline-block;
  padding: 0.5rem 1.5rem;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  line-height: 1.1;
  color: white;
}

.hero-title .highlight {
  color: var(--accent-color);
  position: relative;
}

.hero-subtitle {
  font-size: 1.25rem;
  font-weight: 400;
  margin-bottom: 2.5rem;
  color: rgba(255, 255, 255, 0.95);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.hero-cta {
  margin-bottom: 4rem;
}

.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  font-weight: 600;
  font-size: 1rem;
  border-radius: 8px;
  transition: var(--transition);
  border: 2px solid transparent;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 0.5rem;
}

.btn-primary {
  background-color: var(--accent-color);
  color: white;
  border-color: var(--accent-color);
}

.btn-primary:hover {
  background-color: #d97706;
  border-color: #d97706;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background-color: transparent;
  color: white;
  border-color: white;
}

.btn-outline:hover {
  background-color: white;
  color: var(--primary-color);
  transform: translateY(-2px);
}

.download-resume-btn {
  box-shadow: 0 20px 35px -20px rgba(37, 99, 235, 0.8);
}

.download-resume-btn:hover {
  box-shadow: 0 30px 45px -25px rgba(37, 99, 235, 0.9);
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
}

.hero-stats {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 3rem;
  margin-top: 4rem;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  font-family: 'Space Grotesk', sans-serif;
  color: var(--accent-color);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.9);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  animation: bounce 2s infinite;
}

.scroll-indicator a {
  color: white;
  font-size: 2rem;
  opacity: 0.8;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

/* ============================================
   4. SECTIONS
   ============================================ */
.section {
  padding: 6rem 0;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  text-align: center;
  color: var(--text-dark);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-gray);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 3rem;
}

.mt-60 {
  margin-top: 3.75rem;
}

.mt-30 {
  margin-top: 1.875rem;
}

.mb-40 {
  margin-bottom: 2.5rem;
}

/* ============================================
   5. ABOUT SECTION
   ============================================ */
.about-section {
  background-color: var(--bg-light);
}

.about-photo-wrapper {
  margin-bottom: 2rem;
}

.about-photo {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  border: 5px solid white;
  box-shadow: var(--shadow-lg);
  object-fit: cover;
  margin: 0 auto;
  display: block;
}

.about-content h3 {
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
  color: var(--text-dark);
}

.about-content p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-gray);
  margin-bottom: 1.5rem;
}

.role-list {
  margin: 1.5rem 0;
}

.role-list li {
  padding: 0.75rem 0;
  font-size: 1.05rem;
  color: var(--text-gray);
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.role-list li i {
  color: var(--primary-color);
  margin-top: 0.25rem;
  flex-shrink: 0;
}

.about-highlights {
  margin-top: 2rem;
}

.highlight-item {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: white;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.highlight-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.highlight-icon {
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
}

.highlight-content h4 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--text-dark);
}

.highlight-content p {
  color: var(--text-gray);
  margin: 0;
  line-height: 1.7;
}

/* ============================================
   6. EXPERIENCE SECTION
   ============================================ */
.experience-section {
  background-color: var(--bg-white);
}

.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  margin-bottom: 3rem;
  padding-left: 3rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -2.5rem;
  top: 0.5rem;
  width: 16px;
  height: 16px;
  background: var(--primary-color);
  border: 4px solid white;
  border-radius: 50%;
  box-shadow: 0 0 0 3px var(--primary-color);
}

.timeline-year {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: white;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.timeline-content h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-dark);
}

.timeline-content h4 {
  font-size: 1.1rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-weight: 600;
}

.timeline-content p {
  color: var(--text-gray);
  margin-bottom: 1rem;
  line-height: 1.8;
}

.timeline-content ul {
  list-style: none;
  padding-left: 0;
}

.timeline-content ul li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--text-gray);
}

.timeline-content ul li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
}

.role-block {
  margin-bottom: 1.5rem;
}

.role-block:last-of-type {
  margin-bottom: 0;
}

.role-block h5 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}

.role-block ul {
  margin-bottom: 0.5rem;
}

.tech-stack-badge {
  margin-top: 1.5rem;
  padding: 1rem;
  background: var(--bg-light);
  border-radius: 8px;
  border-left: 4px solid var(--primary-color);
  font-size: 0.9rem;
  color: var(--text-gray);
}

.tech-stack-badge strong {
  color: var(--text-dark);
  font-weight: 600;
}

/* ============================================
   7. SKILLS SECTION
   ============================================ */
.skills-section {
  background-color: var(--bg-light);
}

.skill-category {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  height: 100%;
  margin-bottom: 2rem;
}

.skill-category:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
}

.skill-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

.skill-category h3 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--text-dark);
}

.skill-list {
  list-style: none;
}

.skill-list li {
  padding: 0.5rem 0;
  color: var(--text-gray);
  position: relative;
  padding-left: 1.5rem;
}

.skill-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--secondary-color);
  font-weight: bold;
}

.tech-showcase {
  background: white;
  padding: 3rem;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
}

.tech-item {
  text-align: center;
  padding: 2rem 1rem;
}

.tech-item i {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.tech-item h4 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--text-dark);
}

.tech-item p {
  color: var(--text-gray);
  margin: 0;
}

/* ============================================
   8. PORTFOLIO SECTION
   ============================================ */
.portfolio-section {
  background-color: var(--bg-white);
}

.portfolio-card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.portfolio-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-5px);
}

.portfolio-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/9;
}

.portfolio-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.portfolio-image-clickable {
  cursor: pointer;
}

.portfolio-image-clickable:hover {
  opacity: 0.9;
  transform: scale(1.02);
}

.portfolio-card:hover .portfolio-image img {
  transform: scale(1.1);
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(37, 99, 235, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.portfolio-card:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-links {
  display: flex;
  gap: 1rem;
}

.portfolio-link {
  width: 50px;
  height: 50px;
  background: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  font-size: 1.25rem;
  transition: var(--transition);
}

.portfolio-link:hover {
  background: var(--accent-color);
  color: white;
  transform: scale(1.1);
}

.portfolio-content {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.portfolio-content h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--text-dark);
}

.portfolio-content p {
  color: var(--text-gray);
  margin-bottom: 1rem;
  flex-grow: 1;
  line-height: 1.7;
}

.portfolio-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--bg-light);
  color: var(--text-gray);
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 500;
}

.note-text {
  color: var(--text-gray);
  font-style: italic;
  padding: 1rem;
  background: var(--bg-light);
  border-radius: 8px;
  display: inline-block;
}

.note-text i {
  color: var(--primary-color);
  margin-right: 0.5rem;
}

.portfolio-carousel {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-top: 4rem;
}

.portfolio-window {
  position: relative;
  flex: 1;
  overflow: hidden;
}

.portfolio-window::before,
.portfolio-window::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 80px;
  pointer-events: none;
  z-index: 2;
}

.portfolio-window::before {
  left: 0;
  background: linear-gradient(90deg, var(--bg-white), rgba(255, 255, 255, 0));
}

.portfolio-window::after {
  right: 0;
  background: linear-gradient(270deg, var(--bg-white), rgba(255, 255, 255, 0));
}

.portfolio-track {
  display: flex;
  gap: 2rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 1rem 0 2rem;
  scroll-behavior: smooth;
}

.portfolio-track::-webkit-scrollbar {
  display: none;
}

.portfolio-slide {
  flex: 0 0 calc(50% - 1rem);
  scroll-snap-align: center;
}

.carousel-control {
  position: relative;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, #1d4ed8, #60a5fa);
  box-shadow: 0 15px 25px -15px rgba(15, 23, 42, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: white;
  cursor: pointer;
  z-index: 3;
  transition: var(--transition);
}

.carousel-control:hover {
  box-shadow: 0 20px 30px -15px rgba(15, 23, 42, 0.7);
  transform: scale(1.05);
}

.carousel-control:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  box-shadow: none;
}

.carousel-control.prev,
.carousel-control.next {
  flex-shrink: 0;
}


@media (max-width: 1200px) {
  .portfolio-slide {
    flex: 0 0 calc(65% - 1rem);
  }
}

@media (max-width: 992px) {
  .portfolio-window::before,
  .portfolio-window::after {
    display: none;
  }

  .carousel-control {
    display: none;
  }

  .portfolio-slide {
    flex: 0 0 calc(80% - 1rem);
  }
}

@media (max-width: 600px) {
  .portfolio-slide {
    flex: 0 0 calc(100% - 1rem);
  }
}

/* ============================================
   9. EDUCATION SECTION
   ============================================ */
.education-section {
  background-color: var(--bg-light);
}

.education-timeline {
  position: relative;
  padding-left: 2rem;
}

.education-timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--secondary-color), var(--primary-color));
  border-radius: 2px;
}

.education-item {
  position: relative;
  margin-bottom: 2.5rem;
  padding-left: 3rem;
}

.education-item::before {
  content: '';
  position: absolute;
  left: -2.5rem;
  top: 0.5rem;
  width: 16px;
  height: 16px;
  background: var(--secondary-color);
  border: 4px solid white;
  border-radius: 50%;
  box-shadow: 0 0 0 3px var(--secondary-color);
}

.education-year {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
  color: white;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.education-content h3 {
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
  color: var(--text-dark);
}

.education-content h4 {
  font-size: 1.05rem;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.education-content p {
  color: var(--text-gray);
  margin: 0;
  line-height: 1.7;
}

/* ============================================
   10. CONTACT SECTION
   ============================================ */
.contact-section {
  background: linear-gradient(135deg, #0f172a 0%, #1d4ed8 60%, #38bdf8 100%);
  color: white;
}

.contact-section .section-title,
.contact-section .section-subtitle {
  color: white;
}

.contact-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
}

.contact-card {
  background: rgba(15, 23, 42, 0.35);
  backdrop-filter: blur(12px);
  padding: 2rem;
  border-radius: 16px;
  text-align: center;
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.12);
  flex: 1 1 200px;
  max-width: 240px;
}

.contact-card:hover {
  background: rgba(15, 23, 42, 0.5);
  transform: translateY(-5px);
  box-shadow: 0 20px 35px -25px rgba(15, 23, 42, 0.6);
}



.contact-icon {
  width: 70px;
  height: 70px;
  background: rgba(56, 189, 248, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 2rem;
}

.contact-card h3 {
  color: white;
  margin-bottom: 1rem;
}

.contact-card p {
  color: rgba(255, 255, 255, 0.9);
  margin: 0;
}

.contact-card a {
  color: #e0f2fe;
  font-weight: 600;
  border-bottom: 1px solid rgba(224, 242, 254, 0.4);
  padding-bottom: 2px;
}

.contact-card a:hover {
  color: white;
  border-bottom-color: white;
}

.social-links h3 {
  color: white;
  margin-bottom: 1.5rem;
}

.social-icons {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.social-icon {
  width: 50px;
  height: 50px;
  background: rgba(15, 23, 42, 0.35);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #f8fafc;
  font-size: 1.5rem;
  transition: var(--transition);
  border: 1px solid rgba(248, 250, 252, 0.4);
}

.social-icon:hover {
  background: white;
  color: var(--primary-color);
  transform: translateY(-3px) scale(1.1);
}

/* ============================================
   11. FOOTER
   ============================================ */
.footer {
  background: var(--text-dark);
  color: rgba(241, 245, 249, 0.9);
  padding: 2rem 0;
  text-align: center;
}

.footer p {
  margin: 0.5rem 0;
  color: rgba(241, 245, 249, 0.9);
}

.footer-links {
  margin-top: 1rem;
}

.footer-links a {
  color: rgba(241, 245, 249, 0.9);
  margin: 0 0.5rem;
  transition: var(--transition);
}

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

/* ============================================
   12. RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .hero-photo img {
    width: 150px;
    height: 150px;
  }

  .about-photo {
    width: 200px;
    height: 200px;
  }

  .hero-stats {
    gap: 2rem;
  }

  .stat-number {
    font-size: 2.5rem;
  }

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

  .timeline {
    padding-left: 1.5rem;
  }

  .timeline-item {
    padding-left: 2rem;
  }

  .timeline-item::before {
    left: -1.75rem;
  }

  .btn-lg {
    padding: 0.875rem 2rem;
    font-size: 1rem;
  }

  .tech-showcase {
    padding: 2rem 1rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-badge {
    font-size: 0.75rem;
    padding: 0.4rem 1rem;
  }

  .section {
    padding: 4rem 0;
  }

  .hero-stats {
    gap: 1.5rem;
  }
}

/* ============================================
   13. UTILITIES
   ============================================ */
.text-center {
  text-align: center;
}

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

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }