*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { min-height: 100vh; }

:root {
  --bg: #000000;
  --bg-soft: #0a0a0a;
  --surface: #141414;
  --surface-2: #1e1e1e;
  --border: rgba(255,255,255,0.08);
  --border-strong: rgba(255,255,255,0.14);
  --text: #f5f5f5;
  --text-soft: #999999;
  --text-dim: #5a5a5a;
  --accent: #ffffff;
  --accent-2: #b0b0b0;
  --accent-glow: rgba(255,255,255,0.06);
  --grad: linear-gradient(135deg, #ffffff, #666666);
  --shadow: 0 24px 64px -16px rgba(0,0,0,0.8);
  --radius: 16px;
  --radius-sm: 10px;
  --ff-display: "Space Grotesk", sans-serif;
  --ff-body: "Inter", sans-serif;
}

[data-theme="light"] {
  --bg: #ffffff;
  --bg-soft: #fafafa;
  --surface: #f5f5f5;
  --surface-2: #ebebeb;
  --border: rgba(0,0,0,0.08);
  --border-strong: rgba(0,0,0,0.15);
  --text: #0a0a0a;
  --text-soft: #4a4a4a;
  --text-dim: #777777;
  --accent: #000000;
  --accent-2: #333333;
  --accent-glow: rgba(0,0,0,0.08);
  --grad: linear-gradient(135deg, #000000, #444444);
  --shadow: 0 24px 48px -16px rgba(0,0,0,0.12);
}

body {
  font-family: var(--ff-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition: background 0.4s, color 0.4s;
}
h1,h2,h3,h4 { font-family: var(--ff-display); font-weight: 700; line-height: 1.1; color: var(--text); }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; }

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

.dock {
  position: fixed;
  top: 1.2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.5rem 0.7rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface) 85%, transparent);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border-strong);
  box-shadow: 0 12px 40px -12px rgba(0,0,0,0.5);
  z-index: 100;
  transition: background 0.4s, border-color 0.4s;
}

.dock__btn {
  position: relative;
  display: grid;
  place-items: center;
  width: 2.8rem;
  height: 2.8rem;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--text-dim);
  font-size: 1.3rem;
  cursor: pointer;
  transition: color 0.2s, background 0.2s, transform 0.25s;
}
.dock__btn:hover {
  color: var(--text);
  background: var(--surface-2);
  transform: translateY(-4px) scale(1.1);
}
.dock__btn.active {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 14%, transparent);
}

.dock__tooltip {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) scale(0.8);
  padding: 0.3rem 0.65rem;
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-soft);
  font-size: 0.72rem;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
}
.dock__btn:hover .dock__tooltip {
  opacity: 1;
  transform: translateX(-50%) scale(1);
}

.dock__divider {
  width: 1px;
  height: 1.6rem;
  background: var(--border-strong);
  margin-inline: 0.3rem;
}

.dock__lang {
  font-family: var(--ff-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.dock__flag {
  width: 1.4rem;
  height: 1.4rem;
  border-radius: 50%;
  object-fit: cover;
}

.dock__lang-wrapper {
  position: relative;
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%) scale(0.9);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.4rem;
  border-radius: 10px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  box-shadow: 0 8px 24px -8px rgba(0,0,0,0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
}
.lang-dropdown.open {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) scale(1);
}
.lang-dropdown__item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.8rem;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--text-soft);
  font-family: var(--ff-display);
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.lang-dropdown__item img {
  width: 1.2rem;
  height: 1.2rem;
  border-radius: 50%;
  object-fit: cover;
}
.lang-dropdown__item:hover {
  background: var(--surface-2);
  color: var(--text);
}
.lang-dropdown__item.active {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}

.mobile-nav { display: none; }
.mobile-menu { display: none; }

.main {
  width: 100%;
}

.section .page__content,
.section .home {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.section.visible .page__content,
.section.visible .home {
  opacity: 1;
  transform: translateY(0);
}
.section#home .home {
  opacity: 0;
  transform: none;
}
.section#home.visible .home {
  opacity: 1;
}

.section {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: auto;
  padding: 5rem 5rem 4rem;
  position: relative;
}
.section + .section::before,
.project-page + .section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 1200px;
  height: 1px;
  background: var(--border-strong);
}
.section#home + .section::before {
  display: none;
}
.section#home {
  min-height: 100vh;
  padding-top: 5rem;
  position: relative;
}
.section:last-of-type {
  padding-bottom: 4rem;
}

.page__content {
  width: 100%;
  max-width: 1200px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.8rem 1.4rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s, border-color 0.2s;
}
.btn i { font-size: 1.1rem; }
.btn--primary {
  background: var(--text);
  color: var(--bg);
  border: none;
  box-shadow: 0 8px 24px -8px var(--accent-glow);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 14px 32px -8px var(--accent-glow); }
.btn--outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}
.btn--outline:hover { transform: translateY(-2px); border-color: var(--accent); background: var(--surface); }
.btn--sm { padding: 0.6rem 1.1rem; font-size: 0.82rem; }
.btn--full { width: 100%; justify-content: center; }

.section__head { margin-bottom: 2rem; }
.section__tag {
  font-family: var(--ff-display);
  font-size: 0.72rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
}
.section__title {
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  margin-top: 0.4rem;
}
.section__title::after {
  content: "";
  display: block;
  margin-top: 0.75rem;
  width: 4.2rem;
  height: 3px;
  border-radius: 999px;
  background: var(--grad);
  box-shadow: -12px 0 0 0 var(--accent);
  margin-left: 12px;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

.home__badge {
  animation: fadeUp 0.6s ease forwards;
  animation-delay: 0.1s;
  opacity: 0;
}
.home__name {
  animation: fadeUp 0.6s ease forwards;
  animation-delay: 0.25s;
  opacity: 0;
}
.home__role {
  animation: fadeUp 0.6s ease forwards;
  animation-delay: 0.4s;
  opacity: 0;
}
.home__desc {
  animation: fadeUp 0.6s ease forwards;
  animation-delay: 0.55s;
  opacity: 0;
}
.home__cta {
  animation: fadeUp 0.6s ease forwards;
  animation-delay: 0.7s;
  opacity: 0;
}
.home__stats {
  animation: fadeUp 0.6s ease forwards;
  animation-delay: 0.85s;
  opacity: 0;
}
.home__right {
  animation: fadeRight 0.7s ease forwards;
  animation-delay: 0.5s;
  opacity: 0;
}
.home {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
  width: 100%;
  max-width: 1200px;
}

.home__left {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.home__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  font-size: 0.8rem;
  color: var(--text-soft);
  margin-bottom: 1.5rem;
}
.home__badge-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #22c55e;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(34,197,94,0.55); }
  70% { box-shadow: 0 0 0 10px rgba(34,197,94,0); }
  100% { box-shadow: 0 0 0 0 rgba(34,197,94,0); }
}

.home__name {
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  letter-spacing: -2px;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.home__role {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-soft);
  font-weight: 500;
  margin-top: 0.3rem;
}
.home__desc {
  color: var(--text-soft);
  margin-top: 1rem;
  font-size: 0.95rem;
  max-width: 28rem;
  line-height: 1.7;
}
.home__cta {
  display: flex;
  gap: 0.8rem;
  margin-top: 1.8rem;
  flex-wrap: wrap;
}

.home__stats {
  display: flex;
  gap: 2rem;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.home__stat { display: flex; flex-direction: column; }
.home__stat-num {
  font-family: var(--ff-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text);
}
.home__stat-label {
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-top: 0.1rem;
}

.home__right {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.home__services-title {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.3rem;
}
.home__services {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem;
}
.service-card {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 1rem 1.1rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-soft);
  font-size: 0.85rem;
  font-weight: 500;
  transition: transform 0.25s, border-color 0.25s, color 0.25s;
}
.service-card i {
  font-size: 1.4rem;
  color: var(--text-dim);
  transition: color 0.25s;
}
.service-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  color: var(--text);
}
.service-card:hover i { color: var(--accent); }

.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  animation: fadeUp 0.6s ease forwards;
  animation-delay: 1.2s;
  opacity: 0;
}
.scroll-indicator span {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-dim);
}
.scroll-indicator__mouse {
  width: 22px;
  height: 34px;
  border-radius: 12px;
  border: 2px solid var(--text-dim);
  display: flex;
  justify-content: center;
  padding-top: 6px;
}
.scroll-indicator__wheel {
  width: 3px;
  height: 8px;
  border-radius: 3px;
  background: var(--text-dim);
  animation: scrollWheel 1.8s ease-in-out infinite;
}
@keyframes scrollWheel {
  0% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(10px); }
}

.about {
  max-width: 64rem;
  width: 100%;
}
.about__text { margin-top: 0.5rem; }
.about__text p { color: var(--text-soft); margin-bottom: 1rem; line-height: 1.75; font-size: 0.95rem; }
.about__text strong { color: var(--text); font-weight: 600; }
.about__actions { display: flex; gap: 0.7rem; margin-top: 1.5rem; flex-wrap: wrap; }

.skills-wrapper {
  width: 100%;
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
}
.skills {
  display: flex;
  gap: 0.8rem;
  width: max-content;
  animation: scrollSkills 25s linear infinite;
}
.skills:hover {
  animation-play-state: paused;
}
@keyframes scrollSkills {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.skill-item {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1rem 1.4rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  cursor: default;
  white-space: nowrap;
  transition: border-color 0.3s;
}
.skill-item:hover {
  border-color: var(--accent);
}

.skill-item::before { display: none; }

.skill-item i {
  font-size: 1.6rem;
  color: var(--text-dim);
  flex-shrink: 0;
}
.skill-svg {
  width: 1.6rem;
  height: 1.6rem;
  color: var(--text-dim);
  flex-shrink: 0;
}

.skill-item span {
  font-family: var(--ff-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-soft);
  white-space: nowrap;
}

.timeline { position: relative; padding-left: 2rem; }
.timeline::before {
  content: "";
  position: absolute;
  left: 7px; top: 4px; bottom: 4px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--accent-2), transparent);
}
.timeline__item { position: relative; margin-bottom: 1rem; }
.timeline__item:last-child { margin-bottom: 0; }
.timeline__dot {
  position: absolute; left: -2rem; top: 6px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--bg);
  border: 3px solid var(--accent);
}
.timeline__card {
  padding: 1rem 1.2rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  position: relative;
  transition: transform 0.3s, border-color 0.3s;
}
.timeline__card:hover { transform: translateX(4px); border-color: var(--accent); }
.timeline__period {
  font-size: 0.65rem; font-weight: 600; color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  padding: 0.15rem 0.5rem; border-radius: 999px;
}
.timeline__role { font-size: 0.95rem; margin-top: 0.35rem; }
.timeline__company {
  display: inline-flex; align-items: center; gap: 0.3rem;
  color: var(--text-soft); font-size: 0.78rem; margin-top: 0.15rem;
}
.timeline__project {
  display: inline-flex; align-items: center; gap: 0.3rem;
  color: var(--accent-2); font-size: 0.72rem; font-weight: 500;
  margin-top: 0.25rem; margin-left: 0.5rem;
}
.timeline__project i { font-size: 0.85rem; }
.timeline__desc { color: var(--text-soft); font-size: 0.78rem; margin-top: 0.35rem; line-height: 1.5; }

.projects {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}
.project {
  padding: 1.3rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
}
.project::before {
  content: ""; position: absolute; inset: 0 0 auto 0;
  height: 2px; background: var(--grad);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.3s;
}
.project:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.project:hover::before { transform: scaleX(1); }
.project__header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 0.7rem; }
.project__icon {
  font-size: 1.8rem; color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  width: 2.5rem; height: 2.5rem;
  display: grid; place-items: center; border-radius: 10px;
}
.project__type {
  font-size: 0.65rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 1px; color: var(--text-dim);
  border: 1px solid var(--border); padding: 0.2rem 0.5rem; border-radius: 999px;
}
.project__title { font-size: 1.05rem; }
.project__desc { color: var(--text-soft); font-size: 0.82rem; margin-top: 0.4rem; flex-grow: 1; }
.project__stack { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: 0.8rem; }
.project__stack span {
  font-size: 0.68rem; padding: 0.2rem 0.5rem;
  border-radius: 6px; background: var(--surface-2);
  border: 1px solid var(--border); color: var(--text-soft);
}

.project__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.9rem;
  padding: 0;
  border: none;
  background: none;
  font-family: var(--ff-body);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  cursor: pointer;
  transition: gap 0.2s, color 0.2s;
}
.project__link:hover {
  gap: 0.7rem;
}
.project__link i {
  font-size: 1rem;
  transition: transform 0.2s;
}
.project__link:hover i {
  transform: translateX(2px);
}

.project-page {
  display: none;
  padding: 5rem 5rem 5.5rem;
  min-height: 100vh;
  align-items: flex-start;
  justify-content: center;
}
.project-page.active {
  display: flex;
}

.project-back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text-soft);
  font-family: var(--ff-body);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  margin-bottom: 1.5rem;
  transition: color 0.2s, border-color 0.2s, transform 0.2s;
}
.project-back:hover {
  color: var(--text);
  border-color: var(--accent);
}
.project-back i {
  font-size: 1.1rem;
}

.project-detail {
  width: 100%;
}
.project-detail__header {
  margin-bottom: 2rem;
}
.project-detail__body {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.project-detail__image {
  width: 100%;
  max-width: 280px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}
.project-detail__image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.project-detail__tools-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
}
.project-detail__section {
  width: 100%;
}
.project-detail__subtitle {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}
.project-detail__section p {
  color: var(--text-soft);
  font-size: 0.92rem;
  line-height: 1.8;
  margin-bottom: 1rem;
}
.project-detail__section p:last-child {
  margin-bottom: 0;
}

.project-detail__tools {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.project-detail__tools span {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-soft);
  transition: border-color 0.2s, color 0.2s;
}
.project-detail__tools span:hover {
  border-color: var(--accent);
  color: var(--text);
}

.project-detail__actions {
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.certs {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--border);
}
.cert {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 1.5rem 1.2rem;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
}
.cert:hover { background: var(--surface); }
.cert__top {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}
.cert__top i { font-size: 1.4rem; color: var(--accent); }
.cert__top span {
  font-size: 0.7rem; font-weight: 600; color: var(--text-soft);
  background: var(--surface-2); padding: 0.2rem 0.5rem; border-radius: 999px;
}
.cert__title {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
}
.cert__content {
  flex: 1;
  min-width: 0;
}
.cert p { color: var(--text-soft); font-size: 0.78rem; margin-top: 0.2rem; }
.cert__link {
  display: inline-flex; align-items: center; gap: 0.3rem;
  margin-left: auto; flex-shrink: 0;
  font-weight: 600; font-size: 0.75rem;
  color: var(--accent); transition: gap 0.2s;
}
.cert__link:hover { gap: 0.6rem; }

.section__desc {
  color: var(--text-soft);
  font-size: 0.9rem;
  margin-top: 0.6rem;
  max-width: 36rem;
  line-height: 1.6;
}

.contact {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: start;
  width: 100%;
  max-width: 1100px;
}

.contact__right {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.contact__card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.2rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  transition: border-color 0.3s, transform 0.3s;
}
.contact__card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.contact__card > i {
  font-size: 1.4rem;
  color: var(--accent);
  flex-shrink: 0;
}
.contact__card div {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}
.contact__card-label {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
}
.contact__card-value {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-soft);
}

.contact__socials {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.contact__social-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--text-soft);
  font-size: 0.8rem;
  font-weight: 500;
  transition: color 0.2s, border-color 0.2s, background 0.2s, transform 0.2s;
}
.contact__social-item i {
  font-size: 1.1rem;
}
.contact__social-item:hover {
  color: var(--text);
  border-color: var(--accent);
  background: var(--surface);
  transform: translateY(-2px);
}

.contact__form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.contact__form-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 1rem;
}
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; }
.form__field { display: flex; flex-direction: column; gap: 0.3rem; margin-bottom: 0.8rem; }
.form__field label { font-size: 0.75rem; font-weight: 500; color: var(--text-soft); }
.form__field input,
.form__field textarea {
  width: 100%; padding: 0.7rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--bg-soft); color: var(--text);
  font-family: var(--ff-body); font-size: 0.88rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form__field input::placeholder,
.form__field textarea::placeholder { color: var(--text-dim); }
.form__field input:focus,
.form__field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.form__field textarea { resize: vertical; }
.form__feedback { margin-top: 0.7rem; font-size: 0.82rem; font-weight: 500; text-align: center; min-height: 1rem; }
.form__feedback.success { color: #22c55e; }
.form__feedback.error { color: #ef4444; }

.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: grid;
  place-items: center;
  width: 2.8rem;
  height: 2.8rem;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  backdrop-filter: blur(10px);
  color: var(--text-soft);
  font-size: 1.4rem;
  cursor: pointer;
  z-index: 90;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, color 0.2s, border-color 0.2s, transform 0.2s;
}
.scroll-top.visible {
  opacity: 1;
  pointer-events: auto;
}
.scroll-top:hover {
  color: var(--text);
  border-color: var(--accent);
  transform: translateY(-3px);
}

.footer {
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
}
.footer__line {
  width: 0;
  height: 1px;
  background: var(--grad);
  animation: lineExpand 1.5s ease forwards;
  animation-play-state: paused;
}
.footer.visible .footer__line {
  animation-play-state: running;
}
@keyframes lineExpand {
  to { width: 120px; }
}
.footer__text {
  font-size: 0.78rem;
  color: var(--text-dim);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.6s ease 0.8s, transform 0.6s ease 0.8s;
}
.footer.visible .footer__text {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 768px) {
  .section {
    padding: 4rem 1.2rem;
    min-height: auto;
  }
  .section#home {
    min-height: 100vh;
  }
  .project-page {
    padding: 3rem 1.2rem;
  }

  .home {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    text-align: left;
  }
  .home__left { align-items: flex-start; }
  .home__cta { justify-content: flex-start; }
  .home__stats { justify-content: flex-start; gap: 1.5rem; }
  .home__desc { max-width: none; }
  .home__services { grid-template-columns: 1fr 1fr; }

  .scroll-indicator { display: none; }

  .cert {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.8rem;
    padding: 1.2rem;
  }
  .cert__link {
    margin-left: 0;
  }

  .project-detail__tools-row {
    flex-direction: column;
  }
  .project-detail__image {
    max-width: 100%;
  }

  .contact { grid-template-columns: 1fr; }
  .contact__right {
    order: -1;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.6rem;
  }
  .contact__right .contact__card {
    padding: 0.7rem;
    border-radius: 50%;
    width: 2.8rem;
    height: 2.8rem;
    display: grid;
    place-items: center;
  }
  .contact__right .contact__card div { display: none; }
  .contact__right .contact__card > i { font-size: 1.3rem; margin: 0; }
  .contact__form { order: 1; }
  .form__row { grid-template-columns: 1fr; }

  .dock { display: none; }

  .mobile-nav {
    display: flex;
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 200;
  }
  .mobile-nav__toggle {
    display: grid;
    place-items: center;
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    border: 1px solid var(--border-strong);
    background: color-mix(in srgb, var(--surface) 90%, transparent);
    backdrop-filter: blur(12px);
    color: var(--text);
    font-size: 1.5rem;
    cursor: pointer;
    transition: background 0.2s;
  }
  .mobile-nav__toggle:hover {
    background: var(--surface-2);
  }

  .mobile-menu {
    position: fixed;
    inset: 0;
    background: var(--bg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    z-index: 199;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
  }
  .mobile-menu.open {
    opacity: 1;
    pointer-events: auto;
  }
  .mobile-menu__item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem 1.5rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-soft);
    font-family: var(--ff-display);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s, background 0.2s;
  }
  .mobile-menu__item i { font-size: 1.2rem; }
  .mobile-menu__item:hover {
    color: var(--text);
    border-color: var(--accent);
    background: var(--surface);
  }
  .mobile-menu__bottom {
    display: flex;
    gap: 0.8rem;
    margin-top: 1rem;
  }
  .mobile-menu__bottom button {
    display: grid;
    place-items: center;
    width: 2.8rem;
    height: 2.8rem;
    border-radius: 50%;
    border: 1px solid var(--border-strong);
    background: var(--surface);
    color: var(--text-soft);
    font-size: 1.2rem;
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s;
  }
  .mobile-menu__bottom button:hover {
    color: var(--text);
    border-color: var(--accent);
  }
  .mobile-lang-label {
    font-family: var(--ff-display);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.5px;
  }
  .dock__btn { width: 2.4rem; height: 2.4rem; font-size: 1.15rem; }
}

@media (max-width: 480px) {
  .home__services { grid-template-columns: 1fr; }
  .home__stats { flex-wrap: wrap; gap: 1.5rem; }
  .projects { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .home__badge-dot { animation: none; }
  .home__left, .home__right, .home__badge, .home__name,
  .home__role, .home__desc, .home__cta, .home__stats { animation: none !important; }
}