/* ============================================
   QUELITON SOUZA PIRES — PORTFOLIO
   Dark Mode Elegante
   ============================================ */

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

:root {
  --bg: #0a0a0a;
  --bg-alt: #0f0f0f;
  --surface: #111827;
  --surface-2: #1f2937;
  --border: #1f2937;
  --border-hover: #374151;
  --primary: #00d4ff;
  --primary-dim: rgba(0, 212, 255, 0.15);
  --primary-glow: rgba(0, 212, 255, 0.3);
  --text: #ffffff;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  line-height: 1.2;
  font-weight: 700;
}

a {
  color: inherit;
  text-decoration: none;
}

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

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

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

/* ---------- NAVIGATION ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
  background: transparent;
}

.nav--scrolled {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
}

.nav-link:hover {
  color: var(--text);
}

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

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

.nav-link--cta {
  background: var(--primary-dim);
  color: var(--primary);
  padding: 8px 20px;
  border-radius: 100px;
  border: 1px solid rgba(0, 212, 255, 0.2);
}

.nav-link--cta::after {
  display: none;
}

.nav-link--cta:hover {
  background: rgba(0, 212, 255, 0.25);
  color: var(--primary);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 60px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 100%);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
}

.hero-glow--1 {
  width: 500px;
  height: 500px;
  background: var(--primary);
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0.1;
}

.hero-glow--2 {
  width: 350px;
  height: 350px;
  background: #6366f1;
  bottom: -50px;
  left: 20%;
  opacity: 0.07;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-dim);
  color: var(--primary);
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 8px 20px;
  border-radius: 100px;
  border: 1px solid rgba(0, 212, 255, 0.2);
  margin-bottom: 28px;
  animation: fadeInUp 0.6s ease-out;
}

.hero-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

.hero-title {
  font-size: clamp(2.25rem, 4.5vw, 3.5rem);
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  line-height: 1.15;
  animation: fadeInUp 0.6s ease-out 0.1s both;
}

.hero-title__number {
  color: var(--primary);
}

.hero-subtitle {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 580px;
  margin-bottom: 32px;
  line-height: 1.7;
  animation: fadeInUp 0.6s ease-out 0.2s both;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
  animation: fadeInUp 0.6s ease-out 0.3s both;
}

/* Trust Badges */
.hero-trust {
  width: 100%;
  max-width: 700px;
  margin-bottom: 48px;
  animation: fadeInUp 0.6s ease-out 0.35s both;
}

.hero-trust__label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 16px;
}

.hero-trust__logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.trust-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 8px 20px;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: rgba(17, 24, 39, 0.5);
  transition: var(--transition);
}

.trust-logo:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-dim);
}

/* Stats */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  width: 100%;
  max-width: 700px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  animation: fadeInUp 0.6s ease-out 0.4s both;
}

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

.hero-stat__value {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
}

.hero-stat__number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.25rem;
  font-weight: 700;
}

.hero-stat__plus {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
}

.hero-stat__label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
  display: block;
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  animation: bounce 2s ease-in-out infinite;
}

.hero-scroll a {
  color: var(--text-muted);
  transition: var(--transition);
}

.hero-scroll a:hover {
  color: var(--primary);
}

.hero-scroll svg {
  width: 28px;
  height: 28px;
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--primary);
  color: #000;
}

.btn--primary:hover {
  background: #33ddff;
  box-shadow: 0 0 30px var(--primary-glow);
  transform: translateY(-2px);
}

.btn--outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-hover);
}

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

.btn--full {
  width: 100%;
}

.btn svg {
  width: 18px;
  height: 18px;
}

/* ---------- SECTIONS ---------- */
.section {
  padding: 120px 0;
}

.section--alt {
  background: var(--bg-alt);
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
}

/* ---------- TIMELINE / EXPERIENCE ---------- */
.timeline {
  position: relative;
  padding-left: 40px;
  margin-bottom: 80px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--border);
}

.timeline-item {
  position: relative;
  padding-bottom: 40px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: -40px;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 2px solid var(--border-hover);
  z-index: 1;
}

.timeline-item--current .timeline-marker {
  background: var(--primary);
  border-color: var(--primary);
  box-shadow: 0 0 12px var(--primary-glow);
}

.timeline-content {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
}

.timeline-content:hover {
  border-color: var(--border-hover);
}

.timeline-item--current .timeline-content {
  border-color: rgba(0, 212, 255, 0.15);
  background: linear-gradient(135deg, var(--surface) 0%, rgba(0, 212, 255, 0.03) 100%);
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 12px;
}

.timeline-title {
  font-size: 1.125rem;
  margin-bottom: 2px;
}

.timeline-company {
  font-size: 0.9375rem;
  color: var(--primary);
  font-weight: 500;
}

.timeline-date {
  font-size: 0.8125rem;
  color: var(--text-muted);
  white-space: nowrap;
  padding: 4px 12px;
  background: var(--surface-2);
  border-radius: 100px;
  flex-shrink: 0;
}

.timeline-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.timeline-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

.timeline-tech span {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 6px;
  background: rgba(99, 102, 241, 0.1);
  color: #818cf8;
  border: 1px solid rgba(99, 102, 241, 0.15);
}

.timeline-aws {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.timeline-aws__label {
  font-size: 0.75rem;
  font-weight: 600;
  color: #f59e0b;
  padding: 3px 0;
  white-space: nowrap;
}

.timeline-aws__items {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.timeline-aws__items span {
  font-size: 0.7rem;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(245, 158, 11, 0.08);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.15);
}

/* ---------- EDUCATION ---------- */
.education-section {
  margin-bottom: 48px;
}

.education-section:last-child {
  margin-bottom: 0;
}

.education-title {
  font-size: 1.25rem;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.education-title svg {
  width: 22px;
  height: 22px;
  color: var(--primary);
}

.education-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.education-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
}

.education-card:hover {
  border-color: var(--border-hover);
}

.education-card__degree {
  font-size: 1rem;
  margin-bottom: 6px;
}

.education-card__school {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.education-card__year {
  font-size: 0.8125rem;
  color: var(--primary);
  font-weight: 500;
}

.certifications-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.cert-badge {
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 100px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: var(--transition);
}

.cert-badge:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* ---------- PROJECTS ---------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.project-card--featured {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, var(--surface) 0%, rgba(0, 212, 255, 0.05) 100%);
  border-color: rgba(0, 212, 255, 0.15);
}

.project-card--featured:hover {
  border-color: rgba(0, 212, 255, 0.3);
}

.project-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.project-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-dim);
  border-radius: 12px;
  color: var(--primary);
}

.project-card__icon svg {
  width: 24px;
  height: 24px;
}

.project-card__tags {
  display: flex;
  gap: 8px;
}

.tag {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 100px;
  background: var(--surface-2);
  color: var(--text-secondary);
}

.tag--saas {
  background: var(--primary-dim);
  color: var(--primary);
}

.project-card__title {
  font-size: 1.375rem;
  margin-bottom: 4px;
}

.project-card__type {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.project-card__desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.7;
}

.project-card__highlights {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.project-card__highlights li {
  font-size: 0.875rem;
  color: var(--text-secondary);
  padding-left: 20px;
  position: relative;
}

.project-card__highlights li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
}

.project-card__tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
  margin-top: auto;
}

.project-card__tech span {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 6px;
  background: rgba(99, 102, 241, 0.1);
  color: #818cf8;
  border: 1px solid rgba(99, 102, 241, 0.15);
}

.project-card__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}

.project-link:hover {
  color: var(--primary);
}

.project-link svg {
  width: 14px;
  height: 14px;
}

/* ---------- SERVICES ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
}

.service-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
}

.service-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-dim);
  border-radius: 12px;
  color: var(--primary);
  margin-bottom: 20px;
}

.service-card__icon svg {
  width: 24px;
  height: 24px;
}

.service-card__title {
  font-size: 1.125rem;
  margin-bottom: 12px;
}

.service-card__desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ---------- TECHNOLOGIES ---------- */
.tech-categories {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.tech-category {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
}

.tech-category--wide {
  grid-column: 1 / -1;
}

.tech-category:hover {
  border-color: var(--border-hover);
}

.tech-category__title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-secondary);
}

.tech-category__title svg {
  width: 18px;
  height: 18px;
  color: var(--primary);
}

.tech-category__items {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tech-badge {
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 8px;
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.tech-badge:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* ---------- CONTACT ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

.form-input {
  font-family: 'Inter', sans-serif;
  font-size: 0.9375rem;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  transition: var(--transition);
  outline: none;
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-dim);
}

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

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-info__title {
  font-size: 1.125rem;
  margin-bottom: 4px;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.contact-link:hover {
  border-color: var(--primary);
  transform: translateX(4px);
}

.contact-link__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-dim);
  border-radius: 10px;
  color: var(--primary);
  flex-shrink: 0;
}

.contact-link__icon svg {
  width: 20px;
  height: 20px;
}

.contact-link__label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.contact-link__value {
  font-size: 0.9375rem;
  font-weight: 500;
}

.contact-availability {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: var(--radius);
  color: #10b981;
  font-size: 0.875rem;
  font-weight: 500;
}

.availability-dot {
  width: 10px;
  height: 10px;
  background: #10b981;
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
  flex-shrink: 0;
}

.contact-location {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.contact-location svg {
  width: 16px;
  height: 16px;
  color: var(--primary);
  flex-shrink: 0;
}

/* ---------- FOOTER ---------- */
.footer {
  border-top: 1px solid var(--border);
  padding: 48px 0;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.footer-links {
  display: flex;
  gap: 32px;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

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

.footer-copy {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ---------- ANIMATIONS ---------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .project-card--featured {
    grid-column: 1;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .tech-categories {
    grid-template-columns: repeat(2, 1fr);
  }

  .tech-category--wide {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--surface);
    border-left: 1px solid var(--border);
    flex-direction: column;
    padding: 80px 32px 32px;
    gap: 24px;
    transition: var(--transition);
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-link--cta {
    text-align: center;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
    max-width: 320px;
    margin-bottom: 40px;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-trust__logos {
    gap: 8px;
  }

  .trust-logo {
    font-size: 0.75rem;
    padding: 6px 14px;
  }

  .timeline {
    padding-left: 32px;
  }

  .timeline-marker {
    left: -32px;
    width: 14px;
    height: 14px;
  }

  .timeline-header {
    flex-direction: column;
    gap: 8px;
  }

  .timeline-date {
    align-self: flex-start;
  }

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

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

  .tech-categories {
    grid-template-columns: 1fr;
  }

  .tech-category--wide {
    grid-column: 1;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .section {
    padding: 80px 0;
  }

  .section-header {
    margin-bottom: 48px;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
  }
}

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

  .hero-stat__number {
    font-size: 1.75rem;
  }

  .hero-stat__plus {
    font-size: 1.5rem;
  }

  .project-card {
    padding: 24px;
  }

  .timeline-content {
    padding: 20px;
  }

  .container {
    padding: 0 16px;
  }
}