/* ==========================================================================
   DESIGN SYSTEM & VARIABLES
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400&display=swap');

:root {
  --color-bg-primary: #fdfbf7;
  --color-bg-secondary: #f6f3eb;
  --color-bg-card: #ffffff;
  --color-primary: #4A6B5D;
  --color-primary-light: #6E8F80;
  --color-primary-dark: #375045;
  --color-primary-alpha: rgba(74, 107, 93, 0.1);
  --color-accent: #D4A373;
  --color-accent-light: #E1C19E;
  --color-accent-dark: #B58455;
  --color-text-main: #2C3531;
  --color-text-muted: #5F6B64;
  --color-text-light: #ffffff;
  --color-border: #E8E3DA;
  --color-success: #2ec4b6;
  
  --font-title: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  
  --shadow-sm: 0 4px 6px -1px rgba(74, 107, 93, 0.05), 0 2px 4px -1px rgba(74, 107, 93, 0.03);
  --shadow-md: 0 10px 15px -3px rgba(74, 107, 93, 0.08), 0 4px 6px -2px rgba(74, 107, 93, 0.04);
  --shadow-lg: 0 20px 25px -5px rgba(74, 107, 93, 0.1), 0 10px 10px -5px rgba(74, 107, 93, 0.04);
  
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  --container-width: 1200px;
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-primary);
  color: var(--color-text-main);
  line-height: 1.7;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-title);
  color: var(--color-text-main);
  line-height: 1.25;
  font-weight: 600;
}

p {
  color: var(--color-text-muted);
}

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

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

ul, ol {
  list-style: none;
}

section {
  padding: 6.5rem 1rem;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
}

/* ==========================================================================
   REUSABLE UTILITIES
   ========================================================================== */
.section-header {
  text-align: center;
  margin-bottom: 4.5rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.section-subtitle {
  font-family: var(--font-body);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  color: var(--color-accent-dark);
  font-weight: 700;
  margin-bottom: 0.75rem;
  display: block;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 1.25rem;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background-color: var(--color-accent);
  margin: 1.25rem auto 0;
  border-radius: 2px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 2rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 50px;
  transition: var(--transition-normal);
  cursor: pointer;
  border: 2px solid transparent;
  box-shadow: var(--shadow-sm);
  gap: 0.5rem;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-light);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-text-light);
  transform: translateY(-2px);
}

.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-text-light);
}

.btn-accent:hover {
  background-color: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ==========================================================================
   NAVIGATION BAR
   ========================================================================== */
.header-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition-normal);
  background-color: rgba(253, 251, 247, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(74, 107, 93, 0.05);
}

.header-nav.scrolled {
  background-color: rgba(253, 251, 247, 0.95);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-title {
  font-family: var(--font-title);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.01em;
}

.logo-subtitle {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-main);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-btn {
  display: inline-flex;
}

.hamburger {
  display: none;
  cursor: pointer;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 25px;
  height: 2.5px;
  background-color: var(--color-primary);
  margin: 5px 0;
  transition: var(--transition-normal);
  border-radius: 2px;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
  padding-top: 10rem;
  padding-bottom: 7rem;
  background: radial-gradient(circle at 80% 20%, rgba(212, 163, 115, 0.1) 0%, rgba(74, 107, 93, 0.04) 50%, rgba(253, 251, 247, 1) 100%);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-content {
  max-width: 600px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  background-color: var(--color-primary-alpha);
  color: var(--color-primary-dark);
  padding: 0.4rem 1.2rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(74, 107, 93, 0.15);
}

.hero-title {
  font-size: 3.25rem;
  margin-bottom: 1.5rem;
  color: var(--color-text-main);
  letter-spacing: -0.02em;
}

.hero-title span {
  color: var(--color-primary);
  font-style: italic;
}

.hero-description {
  font-size: 1.1rem;
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* Hero Profile Frame Collage */
.hero-image-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image-frame {
  position: relative;
  width: 100%;
  max-width: 420px;
  aspect-ratio: 0.82;
  border-radius: 30px;
  background-color: var(--color-border);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  border: 8px solid var(--color-bg-card);
  z-index: 2;
  transition: var(--transition-slow);
}

.hero-image-frame:hover {
  transform: translateY(-5px);
}

.hero-image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-bg-blob-1 {
  position: absolute;
  width: 300px;
  height: 300px;
  background-color: rgba(212, 163, 115, 0.15);
  border-radius: 50%;
  top: -40px;
  right: -40px;
  filter: blur(40px);
  z-index: 1;
}

.hero-bg-blob-2 {
  position: absolute;
  width: 350px;
  height: 350px;
  background-color: rgba(74, 107, 93, 0.08);
  border-radius: 50%;
  bottom: -60px;
  left: -60px;
  filter: blur(50px);
  z-index: 1;
}

/* ==========================================================================
   ABOUT SECTION
   ========================================================================== */
.about {
  background-color: var(--color-bg-card);
  position: relative;
}

.about-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 4.5rem;
  align-items: center;
}

.about-image-side {
  position: relative;
}

.about-img-container {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 6px solid var(--color-bg-secondary);
}

.about-img-container img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  object-position: center 20%;
}

.experience-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background-color: var(--color-accent);
  color: var(--color-text-light);
  padding: 1.5rem 2rem;
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  text-align: center;
  max-width: 180px;
  border: 4px solid var(--color-bg-card);
}

.experience-years {
  font-family: var(--font-title);
  font-size: 2.2rem;
  font-weight: 700;
  display: block;
  line-height: 1;
  margin-bottom: 0.25rem;
}

.experience-text {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.3;
  display: block;
}

.about-text-side h3 {
  font-size: 1.85rem;
  margin-bottom: 1.5rem;
  color: var(--color-primary);
}

.about-paragraphs p {
  margin-bottom: 1.25rem;
  font-size: 1.025rem;
  text-align: justify;
}

.about-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.value-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.value-icon {
  background-color: var(--color-primary-alpha);
  color: var(--color-primary);
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.value-icon svg {
  width: 22px;
  height: 22px;
  stroke-width: 2px;
}

.value-title {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.value-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   SERVICES SECTION
   ========================================================================== */
.services {
  background-color: var(--color-bg-secondary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
}

.service-card {
  background-color: var(--color-bg-card);
  padding: 2.5rem 2rem;
  border-radius: 20px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent-light);
}

.service-icon-box {
  width: 60px;
  height: 60px;
  background-color: var(--color-primary-alpha);
  color: var(--color-primary);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: var(--transition-normal);
}

.service-card:hover .service-icon-box {
  background-color: var(--color-primary);
  color: var(--color-text-light);
}

.service-icon-box svg {
  width: 30px;
  height: 30px;
  stroke-width: 1.75px;
}

.service-title {
  font-size: 1.35rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.service-description {
  font-size: 0.95rem;
  line-height: 1.6;
  flex-grow: 1;
}

/* ==========================================================================
   EDUCATION / CERTIFICATIONS
   ========================================================================== */
.education {
  background-color: var(--color-bg-card);
}

.education-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 4rem;
}

.education-intro-sticky {
  position: sticky;
  top: 120px;
  height: fit-content;
}

.education-intro-sticky h3 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

.education-intro-text {
  margin-bottom: 2rem;
  font-size: 1.05rem;
}

.education-stats {
  display: flex;
  gap: 2rem;
}

.stat-item {
  border-left: 3px solid var(--color-accent);
  padding-left: 1.25rem;
}

.stat-number {
  font-family: var(--font-title);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  display: block;
}

.stat-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

/* Accordion Styling */
.education-accordion {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.accordion-item {
  background-color: var(--color-bg-secondary);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: var(--transition-normal);
}

.accordion-item.active {
  background-color: var(--color-bg-card);
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
}

.accordion-header {
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.accordion-header-title {
  font-family: var(--font-body);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-text-main);
  padding-right: 1.5rem;
}

.accordion-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: rgba(74, 107, 93, 0.05);
  color: var(--color-primary);
  flex-shrink: 0;
  transition: var(--transition-normal);
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
  background-color: var(--color-primary);
  color: var(--color-text-light);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0, 1, 0, 1);
}

.accordion-item.active .accordion-body {
  max-height: 1000px;
  transition: max-height 0.6s ease-in-out;
}

.accordion-content {
  padding: 0 2rem 2rem 2rem;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  border-top: 1px solid rgba(74, 107, 93, 0.05);
  padding-top: 1.5rem;
}

.cert-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cert-item {
  position: relative;
  padding-left: 1.5rem;
}

.cert-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent);
}

/* ==========================================================================
   PHOTO GALLERY / LIGHTBOX
   ========================================================================== */
.gallery {
  background-color: var(--color-bg-secondary);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.5rem;
}

.gallery-item {
  position: relative;
  aspect-ratio: 0.85;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  border: 4px solid var(--color-bg-card);
  transition: var(--transition-normal);
}

.gallery-item:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent-light);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(74, 107, 93, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-normal);
  backdrop-filter: blur(2px);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay-icon {
  width: 50px;
  height: 50px;
  background-color: var(--color-bg-card);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(15px);
  transition: var(--transition-normal);
}

.gallery-item:hover .gallery-overlay-icon {
  transform: translateY(0);
}

.gallery-overlay-icon svg {
  width: 22px;
  height: 22px;
}

/* Lightbox Modal */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(44, 53, 49, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-normal);
}

.lightbox.active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-content {
  position: relative;
  max-width: 90%;
  max-height: 85%;
}

.lightbox-img {
  max-width: 100%;
  max-height: 80vh;
  border-radius: 12px;
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
  border: 4px solid var(--color-bg-card);
  transform: scale(0.95);
  transition: var(--transition-normal);
}

.lightbox.active .lightbox-img {
  transform: scale(1);
}

.lightbox-close {
  position: absolute;
  top: -50px;
  right: 0;
  background: none;
  border: none;
  color: var(--color-text-light);
  font-size: 2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  transition: var(--transition-fast);
}

.lightbox-close:hover {
  background-color: var(--color-accent);
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact {
  background-color: var(--color-bg-primary);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4rem;
}

.contact-info-side {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.contact-info-text h3 {
  font-size: 1.85rem;
  margin-bottom: 1.25rem;
}

.contact-cards {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-item-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: 1.5rem;
  border-radius: 16px;
  display: flex;
  gap: 1.25rem;
  transition: var(--transition-normal);
}

.contact-item-card:hover {
  border-color: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.contact-item-icon {
  width: 50px;
  height: 50px;
  background-color: var(--color-primary-alpha);
  color: var(--color-primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-item-icon svg {
  width: 24px;
  height: 24px;
}

.contact-item-details {
  display: flex;
  flex-direction: column;
}

.contact-item-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent-dark);
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.contact-item-value {
  font-size: 1.05rem;
  font-weight: 500;
}

/* Map Wrapper */
.contact-map-wrapper {
  margin-top: 1rem;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 4px solid var(--color-bg-card);
  height: 240px;
}

.contact-map-wrapper iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* Contact Form Styling */
.contact-form-side {
  background-color: var(--color-bg-card);
  padding: 3rem 2.5rem;
  border-radius: 24px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

.contact-form-side h3 {
  font-size: 1.85rem;
  margin-bottom: 0.75rem;
}

.contact-form-intro {
  margin-bottom: 2rem;
  font-size: 0.95rem;
}

.form-group-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-main);
  letter-spacing: 0.02em;
}

.form-input,
.form-textarea,
.form-select {
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.85rem 1.25rem;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  background-color: var(--color-bg-primary);
  color: var(--color-text-main);
  transition: var(--transition-fast);
  width: 100%;
  outline: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-primary);
  background-color: var(--color-bg-card);
  box-shadow: 0 0 0 4px rgba(74, 107, 93, 0.08);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-btn {
  width: 100%;
  margin-top: 1rem;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  background-color: #1c2722;
  color: #c7d2cc;
  padding: 5rem 1rem 2rem;
  border-top: 4px solid var(--color-accent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand h4 {
  font-family: var(--font-title);
  color: var(--color-text-light);
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}

.footer-subtitle {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  font-weight: 600;
  display: block;
  margin-bottom: 1.25rem;
}

.footer-desc {
  color: #a4b3ab;
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.footer-links-title {
  color: var(--color-text-light);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  font-family: var(--font-body);
}

.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-link-item a {
  color: #a4b3ab;
  font-size: 0.95rem;
}

.footer-link-item a:hover {
  color: var(--color-accent-light);
  padding-left: 4px;
}

.footer-socials {
  display: flex;
  gap: 1rem;
}

.social-circle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.social-circle:hover {
  background-color: var(--color-primary);
  color: var(--color-text-light);
  transform: translateY(-2px);
}

.social-circle svg {
  width: 18px;
  height: 18px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: #899a91;
}

.developer-tag a {
  color: var(--color-accent);
}

.developer-tag a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   RESPONSIVE DESIGN MEDIA QUERIES
   ========================================================================== */
@media (max-width: 1024px) {
  section {
    padding: 5rem 1rem;
  }
  
  .hero-title {
    font-size: 2.75rem;
  }
  
  .about-grid, .contact-grid {
    gap: 3rem;
  }
  
  .education-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .education-intro-sticky {
    position: static;
  }
}

@media (max-width: 768px) {
  .nav-btn, .nav-menu {
    display: none;
  }
  
  .hamburger {
    display: block;
  }
  
  /* Mobile Menu active states */
  .nav-menu.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background-color: var(--color-bg-primary);
    padding: 2rem 1.5rem;
    box-shadow: var(--shadow-lg);
    border-bottom: 2px solid var(--color-border);
    gap: 1.5rem;
    align-items: flex-start;
    animation: slideDown 0.3s ease forwards;
  }
  
  @keyframes slideDown {
    from {
      opacity: 0;
      transform: translateY(-10px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  .hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }
  
  .hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
  }
  
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .hero-content {
    text-align: center;
    max-width: 100%;
  }
  
  .hero-badge {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .hero-image-wrapper {
    order: -1;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }
  
  .about-image-side {
    max-width: 500px;
    margin: 0 auto;
  }
  
  .about-img-container img {
    height: 380px;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .form-group-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.25rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .btn {
    width: 100%;
  }
  
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .about-values {
    grid-template-columns: 1fr;
  }
  
  .experience-badge {
    padding: 1rem 1.5rem;
    right: -10px;
    bottom: -10px;
  }
  
  .contact-form-side {
    padding: 2rem 1.5rem;
  }
}