/* ===================================
   Modern Portfolio - Main Styles
   2026 Edition with Glassmorphism
   =================================== */

/* ===== CSS Variables ===== */
:root {
  /* Dark Theme Colors */
  --bg-primary: #0A0E27;
  --bg-secondary: #151B3B;
  --bg-tertiary: #1E2749;
  --text-primary: #E8EAED;
  --text-secondary: #A8B2D1;
  --text-muted: #6B7794;
  --accent-primary: #00E0FF;
  --accent-secondary: #667EEA;
  --accent-gradient: linear-gradient(135deg, #667EEA 0%, #00E0FF 100%);
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: rgba(0, 0, 0, 0.3);
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Z-index */
  --z-fixed: 100;
  --z-modal: 1000;
  --z-tooltip: 10;
}

/* Light Theme */
[data-theme="light"] {
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8F9FA;
  --bg-tertiary: #E9ECEF;
  --text-primary: #1A202C;
  --text-secondary: #4A5568;
  --text-muted: #718096;
  --accent-primary: #667EEA;
  --accent-secondary: #764BA2;
  --accent-gradient: linear-gradient(135deg, #667EEA 0%, #764BA2 100%);
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(0, 0, 0, 0.1);
  --glass-shadow: rgba(0, 0, 0, 0.1);
}

/* ===== Base Reset ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
  transition: background-color var(--transition-base), color var(--transition-base);
}

/* ===== Particles Background ===== */
#particles-js {
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: -1;
  opacity: 0.5;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }

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

ul {
  list-style: none;
}

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

/* ===== Utility Classes ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section {
  padding: var(--spacing-2xl) 0;
  position: relative;
}

.section__header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section__tag {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-sm);
  backdrop-filter: blur(10px);
}

.section__title {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section__description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== Glass Card ===== */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px var(--glass-shadow);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 48px var(--glass-shadow);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-transform: none;
}

.btn--primary {
  background: var(--accent-gradient);
  color: #FFFFFF;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.btn--secondary {
  background: var(--glass-bg);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
}

.btn--secondary:hover {
  background: var(--glass-border);
  transform: translateY(-2px);
}

.btn--full {
  width: 100%;
  justify-content: center;
}

.btn--view {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 0.875rem;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  z-index: var(--z-fixed);
  transition: all var(--transition-base);
}

.header.scroll-header {
  box-shadow: 0 4px 20px var(--glass-shadow);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav__logo {
  font-size: 1.5rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.logo-bracket {
  color: var(--accent-primary);
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.nav__list {
  display: flex;
  gap: var(--spacing-lg);
}

.nav__link {
  position: relative;
  color: var(--text-secondary);
  font-weight: 500;
  padding: var(--spacing-xs) 0;
  transition: color var(--transition-fast);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  transition: width var(--transition-base);
}

.nav__link:hover,
.nav__link.active {
  color: var(--accent-primary);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* Language Toggle */
.language-toggle {
  position: relative;
}

.language-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-primary);
  font-size: 0.875rem;
  font-weight: 600;
}

.language-btn:hover {
  background: var(--glass-border);
}

.language-dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-xs);
  min-width: 150px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-base);
  z-index: 100;
  box-shadow: 0 8px 32px var(--glass-shadow);
}

.language-dropdown.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.language-option {
  display: block;
  width: 100%;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  text-align: left;
  cursor: pointer;
  transition: background var(--transition-fast);
  font-family: var(--font-primary);
  font-size: 0.875rem;
}

.language-option:hover {
  background: var(--glass-bg);
}

/* Theme Toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  background: var(--glass-border);
  transform: rotate(15deg);
}

/* Mobile Menu */
.nav__toggle,
.nav__close {
  display: none;
}

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
}

/* Bento Grid */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--spacing-lg);
}

.bento-card {
  padding: var(--spacing-xl);
}

.bento-card--main {
  grid-column: 1 / span 7;
  grid-row: 1 / span 2;
}

.bento-card--photo {
  grid-column: 8 / span 5;
  grid-row: 1;
  overflow: hidden;
}

/* Card do código: logo abaixo do principal, à esquerda */
.bento-card--code {
  grid-column: 1 / span 7;
  grid-row: 2;
  padding: 0;
  overflow: hidden;
}

/* Stats: ao lado do card do código, à direita */
.bento-card--stats {
  grid-column: 8 / span 5;
  grid-row: 2;
}

/* Hero Content */
.hero__greeting {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.greeting-emoji {
  font-size: 2.5rem;
  animation: wave 2s infinite;
}

@keyframes wave {
  0%, 100% { transform: rotate(0deg); }
  10%, 30% { transform: rotate(14deg); }
  20% { transform: rotate(-8deg); }
  40% { transform: rotate(-4deg); }
  50% { transform: rotate(10deg); }
}

.hero__greeting-text {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.kinetic-text {
  font-size: 2.5rem;
  font-weight: 800;
  animation: textShift 8s infinite;
}

@keyframes textShift {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(4px); }
}

.hero__title {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.hero__description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.8;
}

.hero__tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-xl);
}

.tech-tag {
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-primary);
  transition: all var(--transition-fast);
}

.tech-tag:hover {
  background: var(--accent-gradient);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.hero__buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

/* Hero Image */
.hero__image-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__image-bg {
  position: absolute;
  width: 80%;
  height: 80%;
  background: var(--accent-gradient);
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.3;
  animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

.hero__image {
  position: relative;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  z-index: 1;
}

/* Stats */
.stats__grid {
  display: grid;
  gap: var(--spacing-lg);
}

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

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-xs);
}

.stat-number::after {
  content: '+';
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Code Snippet */
.code-snippet {
  height: 100%;
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--glass-border);
}

.code-dots {
  display: flex;
  gap: 0.5rem;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot--red { background: #FF5F56; }
.dot--yellow { background: #FFBD2E; }
.dot--green { background: #27C93F; }

.code-filename {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.code-content {
  padding: var(--spacing-lg);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--text-primary);
  overflow-x: auto;
}

.keyword { color: #FF79C6; }
.class-name { color: #50FA7B; }
.function { color: #8BE9FD; }
.string { color: #F1FA8C; }

/* ===== About Section ===== */
.about__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.about__content {
  padding: var(--spacing-xl);
}

.about__description {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
  line-height: 1.8;
}

.about__info {
  margin-top: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.info-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.info-icon {
  font-size: 1.5rem;
  color: var(--accent-primary);
}

.info-text {
  display: flex;
  flex-direction: column;
}

.info-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

.info-value {
  font-size: 1rem;
  color: var(--text-primary);
  font-weight: 600;
}

/* Timeline */
.timeline {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.timeline__item {
  padding: var(--spacing-lg);
  position: relative;
}

.timeline__item::before {
  content: '';
  position: absolute;
  left: -20px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--accent-gradient);
}

.timeline__item::after {
  content: '';
  position: absolute;
  left: -26px;
  top: var(--spacing-lg);
  width: 14px;
  height: 14px;
  background: var(--accent-primary);
  border-radius: 50%;
  border: 3px solid var(--bg-primary);
}

.timeline__year {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--accent-gradient);
  color: #FFFFFF;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.timeline__title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.timeline__description {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== Experience Section ===== */
.experience__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.experience__card {
  padding: var(--spacing-xl);
}

.experience__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.experience__year {
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--accent-gradient);
  color: #FFFFFF;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 700;
}

.experience__company {
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: 600;
}

.experience__title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.experience__list {
  margin-bottom: var(--spacing-md);
}

.experience__list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

.experience__list li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: var(--accent-primary);
  font-weight: bold;
}

.experience__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.tech-badge {
  padding: 0.25rem 0.75rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-primary);
}

/* ===== Skills Section ===== */
.skills__container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.skills__category {
  padding: var(--spacing-xl);
}

.category__header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.category__icon {
  font-size: 2rem;
  color: var(--accent-primary);
}

.category__title {
  font-size: 1.25rem;
  color: var(--text-primary);
}

.skills__list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.skill__item {
  width: 100%;
}

.skill__info {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--spacing-xs);
}

.skill__name {
  font-weight: 600;
  color: var(--text-primary);
}

.skill__percentage {
  font-weight: 700;
  color: var(--accent-primary);
  font-size: 0.875rem;
}

.skill__bar {
  width: 100%;
  height: 8px;
  background: var(--glass-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--glass-border);
}

.skill__progress {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: var(--radius-md);
  width: 0;
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Certifications */
.certifications {
  margin-top: var(--spacing-2xl);
}

.certifications__title {
  font-size: 2rem;
  text-align: center;
  margin-bottom: var(--spacing-xl);
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.certifications__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.cert__card {
  padding: var(--spacing-lg);
  text-align: center;
}

.cert__icon {
  font-size: 2.5rem;
  color: var(--accent-primary);
  margin-bottom: var(--spacing-sm);
}

.cert__name {
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.cert__year {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* ===== Projects Section ===== */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-lg);
}

.project__card {
  overflow: hidden;
  cursor: pointer;
  padding: 0;
}

.project__image {
  position: relative;
  width: 100%;
  height: 250px;
  overflow: hidden;
}

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

.project__card:hover .project__image img {
  transform: scale(1.1);
}

.project__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.project__card:hover .project__overlay {
  opacity: 1;
}

.project__content {
  padding: var(--spacing-lg);
}

.project__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.project__category {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.project__icon {
  font-size: 1.5rem;
  color: var(--text-muted);
}

.project__title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.project__description {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.project__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

/* ===== Recognition Section ===== */
.companies {
  margin-bottom: var(--spacing-2xl);
}

.companies__title {
  font-size: 1.5rem;
  text-align: center;
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
}

.companies__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-lg);
  padding: var(--spacing-xl);
}

.company__logo {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.company__logo:hover {
  opacity: 1;
}

.company__logo a {
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.company__logo img {
  max-width: 100%;
  max-height: 72px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: grayscale(100%);
  transition: filter var(--transition-fast);
}

/* Sem brightness(0) para evitar "tarja" preta em logos com fundo opaco (ONS/TCS) */
[data-theme="light"] .company__logo img {
  filter: grayscale(100%);
}

.company__logo:hover img {
  filter: none;
}

/* Logo ONS: fundo branco da imagem some ao fundir com o card (mantém o verde) */
.company__logo--blend img {
  mix-blend-mode: multiply;
}

[data-theme="light"] .company__logo--blend img {
  mix-blend-mode: multiply;
}

/* Impact Stats */
.impact__title {
  font-size: 1.5rem;
  text-align: center;
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
}

.impact__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
}

.impact__card {
  padding: var(--spacing-xl);
  text-align: center;
}

.impact__icon {
  font-size: 2.5rem;
  color: var(--accent-primary);
  margin-bottom: var(--spacing-md);
}

.impact__number {
  display: inline-block;
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.impact__prefix,
.impact__suffix {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-primary);
}

.impact__label {
  margin-top: var(--spacing-xs);
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 600;
}

/* ===== Contact Section ===== */
.contact__container {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-xl);
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact__card {
  padding: var(--spacing-lg);
  text-align: center;
}

.contact__icon {
  font-size: 2rem;
  color: var(--accent-primary);
  margin-bottom: var(--spacing-sm);
}

.contact__card-title {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.contact__link {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.contact__link:hover {
  color: var(--accent-primary);
}

.contact__text {
  color: var(--text-secondary);
}

/* Contact Form */
.contact__form {
  padding: var(--spacing-xl);
}

.form__group {
  margin-bottom: var(--spacing-lg);
}

.form__label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--text-primary);
}

.form__input,
.form__textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

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

/* ===== Footer ===== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--glass-border);
  padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.footer__container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.footer__content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-xl);
}

.footer__brand {
  max-width: 300px;
}

.footer__logo {
  display: inline-block;
  font-size: 1.5rem;
  font-weight: 800;
  font-family: var(--font-mono);
  margin-bottom: var(--spacing-sm);
}

.footer__description {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.footer__title {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.footer__list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer__link {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--accent-primary);
}

.social__links {
  display: flex;
  gap: var(--spacing-sm);
}

.social__link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.social__link:hover {
  background: var(--accent-gradient);
  color: #FFFFFF;
  transform: translateY(-4px);
}

.footer__bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--glass-border);
}

.footer__copy {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ===== Floating Chat Button ===== */
.floating-chat-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  background: var(--accent-gradient);
  border: none;
  border-radius: 50%;
  color: #FFFFFF;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(102, 126, 234, 0.4);
  transition: all var(--transition-base);
  z-index: var(--z-fixed);
  display: flex;
  align-items: center;
  justify-content: center;
}

.floating-chat-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 12px 32px rgba(102, 126, 234, 0.6);
}

.chat-badge {
  position: absolute;
  top: -5px;
  right: -5px;
  background: #FF5F56;
  color: #FFFFFF;
  font-size: 0.625rem;
  font-weight: 700;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-md);
}

/* ===== Scroll Top Button ===== */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 6rem;
  width: 50px;
  height: 50px;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1.25rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: var(--z-fixed);
  display: flex;
  align-items: center;
  justify-content: center;
}

.scroll-top.show {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  background: var(--accent-gradient);
  color: #FFFFFF;
  transform: translateY(-4px);
}

/* ===== Modal ===== */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(5px);
}

.modal__content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  max-width: 900px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  padding: var(--spacing-2xl);
}

.modal__close {
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  width: 40px;
  height: 40px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1.25rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal__close:hover {
  background: var(--accent-primary);
  color: #FFFFFF;
  transform: rotate(90deg);
}

/* ===== Responsive ===== */
@media screen and (max-width: 1024px) {
  .bento-card--main { grid-column: 1 / span 12; grid-row: auto; }
  .bento-card--photo { grid-column: 1 / span 12; grid-row: auto; }
  .bento-card--code { grid-column: 1 / span 12; grid-row: auto; }
  .bento-card--stats { grid-column: 1 / span 12; grid-row: auto; }
  
  .about__container,
  .contact__container {
    grid-template-columns: 1fr;
  }
  
  .footer__content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

@media screen and (max-width: 768px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  
  .nav__menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--bg-secondary);
    padding: var(--spacing-xl);
    flex-direction: column;
    align-items: flex-start;
    transition: left var(--transition-base);
    z-index: 100;
    overflow-y: auto;
  }
  
  .nav__menu.show-menu {
    left: 0;
  }
  
  .nav__list {
    flex-direction: column;
    width: 100%;
    gap: var(--spacing-md);
  }
  
  .nav__link {
    font-size: 1.125rem;
  }
  
  .nav__toggle,
  .nav__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--text-primary);
  }
  
  .nav__close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
  }
  
  .bento-card--photo,
  .bento-card--stats {
    grid-column: span 12;
  }
  
  .hero__buttons {
    flex-direction: column;
    width: 100%;
  }
  
  .hero__buttons .btn {
    width: 100%;
    justify-content: center;
  }
  
  .scroll-top {
    right: 2rem;
    bottom: 6rem;
  }
}

@media screen and (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .section {
    padding: var(--spacing-xl) 0;
  }
  
  .bento-card {
    padding: var(--spacing-lg);
  }
  
  .floating-chat-btn {
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
  }
}