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

:root {
  --sidebar-bg: rgba(255,255,255,0.78);
  --sidebar-hover: rgba(0,0,0,0.04);
  --sidebar-text: #86868b;
  --sidebar-active: #1d1d1f;
  --accent: #0071e3;
  --accent-hover: #0077ed;
  --bg: #f5f5f7;
  --bg-alt: #fafafa;
  --card-bg: rgba(255,255,255,0.72);
  --text: #1d1d1f;
  --text-light: #6e6e73;
  --text-muted: #6e6e73;
  --border: rgba(0,0,0,0.08);
  --radius: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow: 0 1px 0 rgba(0,0,0,0.04), 0 12px 32px rgba(0,0,0,0.06);
  --shadow-hover: 0 4px 0 rgba(0,0,0,0.04), 0 22px 50px rgba(0,0,0,0.08);
  --sidebar-width: 260px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --transition: 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  width: 100%;
}

body {
  font-family: var(--font);
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-tap-highlight-color: rgba(0,113,227,0.12);
  overflow-x: hidden;
  width: 100%;
}

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

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

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

ul {
  list-style: none;
}

/* ===== Page ===== */
.page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  width: 100%;
  max-width: 100%;
}

/* ===== Sidebar ===== */
/* ===== Sidebar ===== */
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: rgba(255,255,255,0.75);
  backdrop-filter: blur(40px) saturate(180%);
  -webkit-backdrop-filter: blur(40px) saturate(180%);
  border-right: 1px solid rgba(0,0,0,0.06);
  z-index: 1000;
  overflow-y: auto;
}

.sidebar__inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 40px 20px 30px;
  min-height: 100vh;
  text-align: left;
}

.sidebar__close {
  display: none;
}

.sidebar__profile {
  text-decoration: none;
  color: inherit;
  margin-bottom: 36px;
}

.sidebar__avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 0 18px;
  border: 2px solid rgba(0,0,0,0.06);
  box-shadow: 0 6px 20px rgba(0,0,0,0.06);
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.sidebar__profile:hover .sidebar__avatar {
  border-color: var(--accent);
  box-shadow: 0 12px 36px rgba(0,113,227,0.2);
  transform: scale(1.04);
}

.sidebar__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: relative;
  z-index: 1;
}

.sidebar__name {
  font-size: 1.35rem;
  font-weight: 700;
  color: #1d1d1f;
  margin-bottom: 4px;
  letter-spacing: -0.5px;
}

.sidebar__job {
  font-size: 0.9rem;
  color: #86868b;
  font-weight: 500;
}

.sidebar__nav {
  width: 100%;
  margin-bottom: auto;
}

.sidebar__nav ul {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.sidebar__nav a {
  display: block;
  padding: 14px 16px;
  font-size: 0.95rem;
  font-weight: 500;
  color: #86868b;
  border-radius: 10px;
  text-decoration: none;
  letter-spacing: -0.1px;
  transition: all 0.2s ease;
}

.sidebar__nav a:hover {
  color: #1d1d1f;
  background: rgba(0,0,0,0.04);
}

.sidebar__nav a.active {
  color: #1d1d1f;
  background: rgba(0,0,0,0.04);
}

.sidebar__footer {
  margin-top: 30px;
}

.sidebar__social {
  display: flex;
  gap: 10px;
  justify-content: flex-start;
  margin-bottom: 16px;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: #86868b;
  border: 1px solid rgba(0,0,0,0.08);
  transition: all var(--transition);
}

.social-link:hover {
  color: #fff;
  border-color: #0071e3;
  background: #0071e3;
}

.sidebar__copy {
  font-size: 0.75rem;
  color: #86868b;
}

/* ===== Mobile Header ===== */
.mobile-header {
  display: none;
}

/* ===== Main Content ===== */
.main {
  margin-left: var(--sidebar-width);
  flex: 1;
  transition: opacity 0.24s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: opacity, transform;
}

/* ===== Sections ===== */
.section {
  padding: 80px 50px;
  max-width: 1100px;
  margin: 0 auto;
}

.section--alt {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section__head {
  margin-bottom: 52px;
}

.section__head--split {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
}

.section__head-left {
  flex: 1;
}

.section__head-right {
  flex-shrink: 0;
  text-align: right;
}

.section__subtitle {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: #5e5ce6;
  background: rgba(94,92,230,0.08);
  padding: 6px 16px;
  border-radius: 20px;
}

.section__title {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  line-height: 1.2;
}

.section__sub {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-top: 8px;
  line-height: 1.5;
}

/* ===== About / Intro ===== */
.about__intro {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 60px;
  margin-bottom: 36px;
  align-items: center;
}

.about__text {
  align-self: start;
}

.about__text p {
  margin-bottom: 16px;
  color: var(--text-light);
  font-size: 0.9375rem;
  line-height: 1.75;
}

.about__text strong {
  color: var(--text);
  font-weight: 600;
}

.about__greeting {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  margin-bottom: 18px;
  color: var(--text);
  line-height: 1.15;
}

.about__greeting span {
  background: linear-gradient(135deg, #0071e3, #5e5ce6, #30b0c7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about__role {
  font-size: 1.05rem;
  color: var(--accent);
  line-height: 1.6;
  margin-bottom: 24px;
  max-width: 520px;
  font-weight: 500;
}

.about__image {
  width: 360px;
}

.about__image img {
  width: 100%;
  max-height: 480px;
  object-fit: cover;
  object-position: center 0%;
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 0 rgba(0,0,0,0.04), 0 20px 50px rgba(0,0,0,0.1);
}

.about__actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

/* ===== Divider ===== */
.divider {
  height: 1px;
  background: var(--border);
  margin: 52px 0;
}

.divider--head {
  margin: 0 0 40px;
  background: var(--border);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 30px;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: var(--font);
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  letter-spacing: -0.1px;
}

.btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 16px rgba(0,113,227,0.25);
}

.btn--primary:hover {
  background: var(--accent-hover);
  color: #fff;
  box-shadow: 0 6px 22px rgba(0,113,227,0.35);
  transform: scale(1.03);
}

.btn--outline {
  background: rgba(0,0,0,0.04);
  color: var(--text);
}

.btn--outline:hover {
  background: rgba(0,0,0,0.08);
  color: var(--text);
  transform: scale(1.03);
}

/* ===== Services ===== */
.services__title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 28px;
  color: var(--text);
  letter-spacing: -0.3px;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

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

.services__footnote {
  margin-top: 24px;
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.services__footnote a {
  font-weight: 600;
}

.service-card {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all var(--transition);
  cursor: default;
}

.service-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: rgba(0,113,227,0.2);
}

.service-card__icon {
  color: var(--accent);
  margin-bottom: 16px;
  width: 48px;
  height: 48px;
  border-radius: 13px;
  background: linear-gradient(135deg, rgba(0,113,227,0.12), rgba(94,92,230,0.12));
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-card__title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.2px;
}

.service-card__desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ===== Testimonials ===== */
.testimonials__slider {
  position: relative;
  overflow: hidden;
}

.testimonial-card {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  display: none;
  transition: all var(--transition);
}

.testimonial-card.active {
  display: block;
}

.testimonial__text {
  font-size: 1.05rem;
  color: var(--text-light);
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 24px;
  font-weight: 400;
}

.testimonial__author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.testimonial__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 0.875rem;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.testimonial__author strong {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 2px;
  color: var(--text);
}

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

.testimonials__dots {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-top: 24px;
}

.testimonials__dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(0,0,0,0.12);
  cursor: pointer;
  transition: all var(--transition);
}

.testimonials__dots span.active {
  background: var(--accent);
  width: 28px;
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0,113,227,0.3);
}

/* ===== Clients ===== */
.clients__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 18px;
}

.client-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 28px 16px;
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition);
  cursor: default;
}

.client-logo:hover {
  border-color: rgba(0,113,227,0.2);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.client-logo__placeholder {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(0,113,227,0.1), rgba(94,92,230,0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--accent);
}

.client-logo span {
  font-size: 0.8125rem;
  color: var(--text-light);
  font-weight: 500;
}

/* ===== Resume / Timeline ===== */
.resume__cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}

.resume__col-title {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.2px;
  margin-bottom: 28px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--accent);
  display: inline-block;
}

.timeline {
  position: relative;
  padding-left: 30px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 4px;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.timeline__item {
  position: relative;
  padding-left: 28px;
  padding-bottom: 36px;
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__item::before {
  content: '';
  position: absolute;
  left: -10px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  z-index: 1;
  box-shadow: 0 0 0 4px rgba(0,113,227,0.12);
}

.timeline__date {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(0,113,227,0.08);
  padding: 3px 12px;
  border-radius: 12px;
}

.timeline__title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 6px;
  letter-spacing: -0.2px;
}

.timeline__desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ===== Skills ===== */
.skills__cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.skills__col-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 28px;
  color: var(--text);
  letter-spacing: -0.2px;
}

.skill-bar {
  margin-bottom: 22px;
}

.skill-bar__head {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
}

.skill-bar__label {
  font-size: 0.875rem;
  font-weight: 500;
}

.skill-bar__value {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 600;
}

.skill-bar__track {
  height: 8px;
  background: rgba(0,0,0,0.06);
  border-radius: 4px;
  overflow: hidden;
}

.skill-bar__fill {
  height: 100%;
  width: 0;
  background: linear-gradient(135deg, var(--accent), #5e5ce6);
  border-radius: 4px;
  transition: width 1.4s cubic-bezier(0.25, 0.1, 0.25, 1);
}

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

.blog-card {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}

.blog-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.blog-card__image {
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.blog-card__image img,
.blog-card__placeholder {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-card__placeholder {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  opacity: 0.6;
}

.blog-card__image img {
  transition: transform 0.6s ease;
}

.blog-card:hover .blog-card__image img {
  transform: scale(1.04);
}

.blog-card__body {
  padding: 22px 24px 26px;
}

.blog-card__date {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 10px;
  font-weight: 500;
}

.blog-card__title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 10px;
  line-height: 1.4;
  letter-spacing: -0.2px;
}

.blog-card__title a {
  color: var(--text);
}

.blog-card__title a:hover {
  color: var(--accent);
}

.blog-card__excerpt {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 14px;
}

.blog-card__more {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent);
}

.blog__actions {
  text-align: center;
  margin-top: 36px;
}

/* ===== Blog Detail ===== */
.blog-detail {
  animation: fadeIn 0.35s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.blog-detail__back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 20px;
  cursor: pointer;
  margin-bottom: 32px;
  transition: all var(--transition);
  font-family: var(--font);
}

.blog-detail__back:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.blog-detail__header {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 32px;
}

.blog-detail__header img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-detail__header-title {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.4px;
  line-height: 1.25;
  max-width: 700px;
  margin-bottom: 16px;
}

.blog-detail__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
}

.blog-detail__meta-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--text-muted);
}

.blog-detail__body {
  max-width: 720px;
  margin: 0 auto;
}

.blog-detail__body p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text);
  margin-bottom: 20px;
}

.blog-detail__body p:last-child {
  margin-bottom: 0;
}

@media (max-width: 1024px) {
  .blog-detail__header-title {
    font-size: 1.4rem;
  }
}

/* ===== Contact ===== */
.contact__cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px 26px;
  transition: all var(--transition);
}

.contact-card:hover {
  border-color: rgba(0,113,227,0.2);
  box-shadow: var(--shadow);
}

.contact-card__icon {
  width: 44px;
  height: 44px;
  border-radius: 13px;
  background: linear-gradient(135deg, rgba(0,113,227,0.12), rgba(94,92,230,0.12));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

.contact-card h5 {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}

.contact-card a,
.contact-card span {
  font-size: 0.875rem;
  color: var(--text);
}

.contact__form-wrap {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px 28px;
}

.contact__form-wrap:hover {
  border-color: rgba(0,113,227,0.2);
  box-shadow: var(--shadow);
}

.contact__form-title {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 18px;
}

.form__group {
  margin-bottom: 16px;
}

.form__input {
  width: 100%;
  padding: 14px 18px;
  font-size: 0.9375rem;
  font-family: var(--font);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background-color: var(--card-bg);
  color: var(--text);
  transition: all var(--transition);
  outline: none;
}

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

.form__input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(0,113,227,0.1);
  background-color: rgba(255,255,255,0.95);
}

.form__select {
  width: 100%;
  padding: 14px 18px;
  font-size: 0.9375rem;
  font-family: var(--font);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background-color: var(--card-bg);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%238E8E93' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat !important;
  background-position: right 18px center;
  color: var(--text);
  transition: all var(--transition);
  outline: none;
  appearance: none !important;
  -webkit-appearance: none !important;
  -moz-appearance: none !important;
  cursor: pointer;
  padding-right: 44px;
}

.form__select option {
  color: var(--text);
}

.form__select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(0,113,227,0.1);
  background-color: rgba(255,255,255,0.95);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%230071E3' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat !important;
}

.form__textarea {
  resize: vertical;
  min-height: 130px;
}

/* ===== Didattica ===== */
/* Knowledges */
.knowledges__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag {
  padding: 8px 18px;
  font-size: 0.8125rem;
  font-weight: 500;
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: 24px;
  color: var(--text-light);
  transition: all var(--transition);
  cursor: default;
}

.tag:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(0,113,227,0.05);
  transform: translateY(-1px);
}

/* Quote */
.quote-block {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 44px 48px;
  text-align: center;
}

.quote-block blockquote p {
  font-size: 1.25rem;
  font-style: italic;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 18px;
  font-weight: 400;
}

.quote-block cite {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--accent);
  font-style: normal;
}

/* Fun Facts */
.fun-facts__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.fun-fact {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px 16px;
  text-align: center;
  transition: all var(--transition);
  cursor: default;
}

.fun-fact:hover {
  box-shadow: var(--shadow);
  border-color: rgba(0,113,227,0.2);
  transform: translateY(-2px);
}

.fun-fact__number {
  display: block;
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, var(--accent), #5e5ce6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 6px;
}

.fun-fact__label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ===== Responsive ===== */
.sidebar-overlay {
  display: none;
}

@media (max-width: 1024px) {
  .sidebar-overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
  }

  .sidebar-overlay.open {
    opacity: 1;
    visibility: visible;
  }

  .sidebar {
    transform: translateX(-100%);
    visibility: hidden;
    transition: transform 0.4s cubic-bezier(0.25, 0.1, 0.25, 1),
                visibility 0s 0.4s;
    width: 280px;
  }

  .sidebar.open {
    transform: translateX(0);
    visibility: visible;
    transition: transform 0.4s cubic-bezier(0.25, 0.1, 0.25, 1),
                visibility 0s 0s;
  }

  .sidebar__close {
    display: flex;
    position: absolute;
    top: 16px;
    right: 16px;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: 50%;
    transition: all var(--transition);
  }

  .sidebar__close:hover {
    color: var(--text);
    background: rgba(0,0,0,0.06);
  }

  .mobile-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    background: rgba(245,245,247,0.8);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid var(--border);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
  }

  .mobile-header__hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
  }

  .mobile-header__hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all var(--transition);
  }

  .mobile-header__title {
    font-weight: 600;
    font-size: 0.9375rem;
    letter-spacing: -0.2px;
  }

  .main {
    margin-left: 0;
    padding-top: 56px;
  }

  .section {
    padding: 56px 24px;
  }

  .section__title {
    font-size: 1.75rem;
  }

  .about__intro {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .about__image {
    width: 240px;
    order: -1;
    margin: 0 auto;
    justify-self: center;
  }

  .about__greeting {
    font-size: 1.75rem;
  }

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

  .resume__cols,
  .skills__cols,
  .contact__cols {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

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

  .clients__grid {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  }

  .quote-block {
    padding: 32px 28px;
  }

  .quote-block blockquote p {
    font-size: 1.05rem;
  }
}

@media (max-width: 600px) {
  html {
    font-size: 18px;
  }

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

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

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

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

  .blog-detail__body p {
    font-size: 0.9375rem;
  }

  .section__head--split {
    flex-direction: column;
    gap: 16px;
  }

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

/* ===== CV Modal ===== */
.cv-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s cubic-bezier(0.32, 0.72, 0, 1), visibility 0.35s cubic-bezier(0.32, 0.72, 0, 1);
  padding: 20px;
}

.cv-modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.cv-modal {
  background: #fff;
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.18), 0 0 0 0.5px rgba(0, 0, 0, 0.08);
  max-width: 720px;
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  position: relative;
  transform: scale(0.95) translateY(10px);
  transition: transform 0.4s cubic-bezier(0.32, 0.72, 0, 1);
  scrollbar-width: thin;
  scrollbar-color: rgba(0,0,0,0.15) transparent;
}

.cv-modal-overlay.open .cv-modal {
  transform: scale(1) translateY(0);
}

.cv-modal::-webkit-scrollbar {
  width: 5px;
}

.cv-modal::-webkit-scrollbar-track {
  background: transparent;
}

.cv-modal::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.12);
  border-radius: 10px;
}

.cv-modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: rgba(0, 0, 0, 0.05);
  color: var(--text-light);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  z-index: 10;
}

.cv-modal__close:hover {
  background: rgba(0, 0, 0, 0.1);
  color: var(--text);
}

.cv-modal__header {
  text-align: center;
  padding: 48px 40px 36px;
  position: relative;
}

.cv-modal__header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
}

.cv-modal__name {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text);
  margin-bottom: 4px;
}

.cv-modal__role {
  font-size: 1rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 8px;
}

.cv-modal__school {
  font-size: 0.875rem;
  color: var(--text-light);
  margin-bottom: 4px;
}

.cv-modal__email {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition);
}

.cv-modal__email:hover {
  color: var(--accent);
}

.cv-modal__body {
  padding: 0 40px 40px;
}

.cv-section {
  margin-bottom: 28px;
}

.cv-section:last-of-type {
  margin-bottom: 24px;
}

.cv-section__title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-muted);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.cv-section p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.7;
}

.cv-timeline__item {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
}

.cv-timeline__item:last-child {
  margin-bottom: 0;
}

.cv-timeline__date {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  min-width: 90px;
  padding-top: 2px;
}

.cv-timeline__item h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 2px;
}

.cv-timeline__item p {
  font-size: 0.85rem;
  color: var(--text-light);
  margin: 0;
}

.cv-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.cv-skill__tag {
  display: inline-block;
  padding: 6px 14px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text);
  background: rgba(0, 0, 0, 0.04);
  border-radius: 20px;
  transition: all var(--transition);
}

.cv-skill__tag:hover {
  background: rgba(0, 113, 227, 0.1);
  color: var(--accent);
}

.cv-modal__footer {
  padding-top: 16px;
  border-top: 1px solid var(--border);
  margin-top: 8px;
}

.cv-modal__footer span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

@media (max-width: 600px) {
  .cv-modal-overlay {
    padding: 10px;
    align-items: flex-end;
  }

  .cv-modal {
    max-height: 92vh;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  }

  .cv-modal__header {
    padding: 36px 24px 28px;
  }

  .cv-modal__body {
    padding: 0 24px 32px;
  }

  .cv-modal__name {
    font-size: 1.5rem;
  }

  .cv-timeline__item {
    flex-direction: column;
    gap: 4px;
  }

  .cv-timeline__date {
    min-width: auto;
  }
}

/* ===== Site Popup ===== */
.site-popup-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s cubic-bezier(0.32, 0.72, 0, 1), visibility 0.35s cubic-bezier(0.32, 0.72, 0, 1);
  padding: 20px;
}

.site-popup-overlay.open {
  opacity: 1;
  visibility: visible;
}

.site-popup {
  background: #fff;
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.18), 0 0 0 0.5px rgba(0, 0, 0, 0.08);
  max-width: 560px;
  width: 100%;
  max-height: 85vh;
  overflow: hidden;
  position: relative;
  transform: scale(0.95) translateY(10px);
  transition: transform 0.4s cubic-bezier(0.32, 0.72, 0, 1);
  display: flex;
  flex-direction: column;
}

.site-popup-overlay.open .site-popup {
  transform: scale(1) translateY(0);
}

.site-popup__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: rgba(0, 0, 0, 0.05);
  color: var(--text-light);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  z-index: 10;
}

.site-popup__close:hover {
  background: rgba(0, 0, 0, 0.1);
  color: var(--text);
}

.site-popup__body {
  padding: 52px 40px 36px;
  font-size: 1.1rem;
  color: var(--text);
  line-height: 1.7;
  overflow-y: auto;
  overflow-x: hidden;
  word-wrap: break-word;
  overflow-wrap: break-word;
  flex: 1;
}

.site-popup__body p:first-child {
  margin-top: 0;
}

.site-popup__body p:last-child {
  margin-bottom: 0;
}

.site-popup__body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 16px 0;
}

/* ===== Reading Progress Bar ===== */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  z-index: 1000;
  background: rgba(0,0,0,0.06);
  pointer-events: none;
}
.reading-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #5e5ce6);
  transition: width 0.1s linear;
}

/* ===== Blog Detail: Tags ===== */
.blog-detail__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}
.blog-detail__tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  background: rgba(0,113,227,0.08);
  padding: 4px 14px;
  border-radius: 12px;
  letter-spacing: 0.02em;
}

/* ===== Blog Detail: Social Share ===== */
.blog-detail__share {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.blog-detail__share-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
}
.blog-detail__share-links {
  display: flex;
  gap: 10px;
}
.share-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  color: #fff;
  transition: all var(--transition);
}
.share-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
.share-link--wa { background: #25D366; }
.share-link--fb { background: #1877F2; }
.share-link--x  { background: #000; }
.share-link--in { background: #0A66C2; }

/* ===== Blog Detail: Related Articles ===== */
.blog-detail__related {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.blog-detail__related-title {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.3px;
  margin-bottom: 24px;
  text-align: center;
}
.blog-detail__related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 768px) {
  .blog-detail__related-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .site-popup-overlay {
    padding: 20px;
    align-items: center;
  }

  .site-popup {
    max-width: 340px;
    width: 100%;
    max-height: 90vh;
    border-radius: var(--radius-xl);
  }

  .site-popup__body {
    padding: 48px 24px 28px;
  }

  .blog-detail__share {
    flex-direction: column;
    gap: 12px;
  }
}

/* ===== Mobile Performance: reduce backdrop-filter ===== */
@media (max-width: 1024px) {
  .service-card,
  .testimonial-card,
  .client-logo,
  .contact-card,
  .contact__form-wrap,
  .tag,
  .quote-block,
  .fun-fact,
  .blog-card,
  .blog-hero__side {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}

/* ===== Extra small screens ===== */
@media (max-width: 380px) {
  html {
    font-size: 16px;
  }

  .section {
    padding: 40px 16px;
  }

  .about__image {
    width: 180px;
  }

  .btn {
    padding: 11px 20px;
    font-size: 0.8125rem;
  }
}

/* ===== Blog Magazine Hero ===== */
.blog-hero {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 28px;
  margin-bottom: 56px;
}

.blog-hero__main {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 400px;
  display: flex;
  align-items: flex-end;
  text-decoration: none;
  color: #fff;
  transition: all var(--transition);
}

.blog-hero__main:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.blog-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.blog-hero__main:hover .blog-hero__bg {
  transform: scale(1.05);
}

.blog-hero__overlay {
  position: relative;
  z-index: 2;
  padding: 40px;
  width: 100%;
  background: linear-gradient(transparent 0%, rgba(0,0,0,0.85) 100%);
}

.blog-hero__tag {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  color: #fff;
  padding: 4px 14px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: 8px;
  margin-bottom: 12px;
}

.blog-hero__badge {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 3px 12px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: 8px;
  margin-bottom: 12px;
  margin-left: 8px;
}

.blog-hero__title {
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.3px;
  line-height: 1.3;
  margin-bottom: 10px;
  color: #fff;
}

.blog-hero__abstract {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.6;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-hero__cta {
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  opacity: 0.8;
  transition: opacity 0.2s;
}

.blog-hero__main:hover .blog-hero__cta {
  opacity: 1;
}

.blog-hero__side {
  display: flex;
  flex-direction: column;
  gap: 0;
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 0;
  overflow: hidden;
}

.blog-hero__side-label {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  padding: 18px 22px 12px;
  border-bottom: 1px solid var(--border);
}

.blog-hero__side-item {
  display: flex;
  gap: 14px;
  padding: 18px 22px;
  text-decoration: none;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  transition: all 0.2s;
  align-items: flex-start;
}

.blog-hero__side-item:last-child {
  border-bottom: none;
}

.blog-hero__side-item:hover {
  background: var(--sidebar-hover);
}

.blog-hero__side-num {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--border);
  line-height: 1;
  min-width: 32px;
  letter-spacing: -1px;
}

.blog-hero__side-item h3 {
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.35;
  margin-bottom: 4px;
  color: var(--text);
}

.blog-hero__side-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.blog-card__category {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent);
  background: rgba(0,113,227,0.08);
  padding: 3px 10px;
  border-radius: 6px;
  margin-right: 8px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.blog-detail__featured-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #fff;
  padding: 5px 14px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-radius: 8px;
  margin-bottom: 16px;
}

@media (max-width: 768px) {
  .blog-hero {
    grid-template-columns: 1fr;
  }

  .blog-hero__main {
    min-height: 260px;
  }

  .blog-hero__title {
    font-size: 1.3rem;
  }

  .blog-hero__overlay {
    padding: 24px;
  }
}