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

:root {
  --clr-bg:          #ffffff;
  --clr-bg-alt:      #f7f8fc;
  --clr-surface:     #ffffff;
  --clr-border:      #e4e7f0;
  --clr-primary:     #4f46e5;
  --clr-primary-lt:  #ede9fe;
  --clr-accent:      #7c3aed;
  --clr-accent2:     #06b6d4;
  --clr-text:        #4b5563;
  --clr-heading:     #111827;
  --clr-muted:       #9ca3af;
  --radius:          14px;
  --radius-lg:       22px;
  --transition:      0.3s ease;
  --shadow-sm:       0 1px 4px rgba(0,0,0,0.07);
  --shadow:          0 4px 24px rgba(79,70,229,0.1);
  --shadow-lg:       0 12px 48px rgba(79,70,229,0.15);
}

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

body {
  background: var(--clr-bg);
  color: var(--clr-text);
  font-family: 'Inter', system-ui, sans-serif;
  line-height: 1.7;
  overflow-x: hidden;
}

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

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 100px 0; }

.gradient-text {
  background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
}

.btn--primary {
  background: var(--clr-primary);
  color: #fff;
  border-color: var(--clr-primary);
  box-shadow: 0 4px 14px rgba(79,70,229,0.3);
}
.btn--primary:hover {
  background: var(--clr-accent);
  border-color: var(--clr-accent);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(124,58,237,0.35);
}

.btn--ghost {
  background: transparent;
  color: var(--clr-heading);
  border-color: var(--clr-border);
}
.btn--ghost:hover {
  border-color: var(--clr-primary);
  color: var(--clr-primary);
}

.btn--nav {
  background: var(--clr-primary);
  color: #fff;
  padding: 9px 22px;
  font-size: 0.9rem;
  border-radius: 8px;
}
.btn--nav:hover {
  background: var(--clr-accent);
  color: #fff;
}

.btn--sm { padding: 9px 20px; font-size: 0.88rem; }

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

/* === SECTION HEADER === */
.section-tag {
  display: inline-block;
  background: var(--clr-primary-lt);
  color: var(--clr-primary);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.section-header {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 64px;
}

.section-header h2 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.9rem, 3vw, 2.5rem);
  color: var(--clr-heading);
  margin-bottom: 16px;
  line-height: 1.2;
}

.section-header p {
  color: var(--clr-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* === NAVIGATION === */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0;
  transition: all var(--transition);
}

.header.scrolled {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--clr-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav__logo {
  font-family: 'Syne', sans-serif;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--clr-heading);
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav__logo:hover { color: var(--clr-heading); }

.logo-dot {
  width: 10px;
  height: 10px;
  background: var(--clr-accent);
  border-radius: 50%;
  flex-shrink: 0;
}

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

.nav__links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav__links a {
  color: var(--clr-text);
  font-size: 0.95rem;
  font-weight: 500;
}
.nav__links a:hover { color: var(--clr-primary); }
.nav__links a.active {
  color: var(--clr-primary);
  font-weight: 600;
}
.nav__links a.btn--nav,
.nav__links a.btn--nav:hover,
.nav__links a.btn--nav.active {
  color: #fff;
}

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav__burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--clr-heading);
  border-radius: 2px;
  transition: all var(--transition);
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(160deg, #f0f0ff 0%, #fafafa 50%, #f0f9ff 100%);
}

.hero__shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.5;
}

.shape--1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(79,70,229,0.18) 0%, transparent 70%);
  top: -200px;
  right: -100px;
}

.shape--2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(6,182,212,0.15) 0%, transparent 70%);
  bottom: 0;
  left: -100px;
}

.shape--3 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(124,58,237,0.1) 0%, transparent 70%);
  top: 40%;
  left: 50%;
}

.hero__content {
  position: relative;
  z-index: 1;
  padding-top: 80px;
  max-width: 700px;
}

.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  border: 1px solid var(--clr-border);
  color: var(--clr-text);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 7px 16px;
  border-radius: 20px;
  margin-bottom: 28px;
  box-shadow: var(--shadow-sm);
}

.tag-dot {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse 2.5s infinite;
  flex-shrink: 0;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34,197,94,0.4); }
  50% { opacity: 0.8; box-shadow: 0 0 0 5px rgba(34,197,94,0); }
}

.hero__title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 800;
  color: var(--clr-heading);
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero__sub {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  color: var(--clr-text);
  max-width: 540px;
  margin-bottom: 40px;
  line-height: 1.8;
}

.hero__cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero__languages {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.lang-label {
  font-size: 0.85rem;
  color: var(--clr-muted);
  font-weight: 500;
}

.lang-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.chip {
  background: #fff;
  border: 1px solid var(--clr-border);
  color: var(--clr-text);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: 20px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.chip:hover {
  border-color: var(--clr-primary);
  color: var(--clr-primary);
  transform: translateY(-1px);
}

.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.hero__scroll span {
  display: block;
  width: 24px;
  height: 38px;
  border: 2px solid #c7c9d9;
  border-radius: 12px;
  position: relative;
}

.hero__scroll span::after {
  content: '';
  position: absolute;
  top: 5px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--clr-primary);
  border-radius: 2px;
  animation: scroll-dot 2s infinite;
}

@keyframes scroll-dot {
  0% { top: 5px; opacity: 1; }
  100% { top: 20px; opacity: 0; }
}

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

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

.service-card {
  background: var(--clr-bg-alt);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 0;
}

.service-card:hover {
  border-color: rgba(79,70,229,0.3);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.service-card--featured {
  background: linear-gradient(160deg, #4f46e5 0%, #7c3aed 100%);
  border-color: transparent;
  color: rgba(255,255,255,0.85);
}

.service-card--featured h3,
.service-card--featured .service-card__number {
  color: #fff;
}

.service-card.service-card--featured p {
  color: #ffffff !important;
}

.service-card--featured .service-card__features li {
  color: rgba(255,255,255,0.8);
}

.service-card--featured .service-card__features li::before {
  color: rgba(255,255,255,0.6);
}

.service-card--featured .service-card__link {
  color: rgba(255,255,255,0.9);
}

.service-card--featured .service-card__icon {
  color: rgba(255,255,255,0.9);
  background: rgba(255,255,255,0.15);
}

.service-card--featured:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(79,70,229,0.4);
}

.service-card__number {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--clr-muted);
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}

.service-card__badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255,255,255,0.2);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  border-radius: 20px;
  text-transform: uppercase;
  border: 1px solid rgba(255,255,255,0.3);
}

.service-card__icon {
  width: 52px;
  height: 52px;
  background: var(--clr-primary-lt);
  color: var(--clr-primary);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  flex-shrink: 0;
}

.service-card__icon svg {
  width: 26px;
  height: 26px;
}

.service-card h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1.15rem;
  color: var(--clr-heading);
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.92rem;
  color: var(--clr-text);
  line-height: 1.65;
  margin-bottom: 20px;
}

.service-card__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-bottom: 24px;
  flex: 1;
}

.service-card__features li {
  font-size: 0.87rem;
  color: var(--clr-text);
  padding-left: 16px;
  position: relative;
}

.service-card__features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--clr-primary);
  font-weight: 700;
  font-size: 0.8rem;
}

.service-card__link {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--clr-primary);
  transition: gap var(--transition);
  align-self: flex-start;
  margin-top: auto;
}
.service-card__link:hover { color: var(--clr-accent); }

/* === ABOUT === */
.about {
  background: var(--clr-bg-alt);
}

.about__layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 80px;
  align-items: center;
}

.about__visual {
  position: relative;
  height: 400px;
}

.about__card {
  position: absolute;
  background: #fff;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.about__card--main {
  top: 0; left: 0;
  width: 220px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
}

.about__avatar {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: 'Syne', sans-serif;
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 4px;
}

.about__card--main strong {
  color: var(--clr-heading);
  font-size: 1rem;
  font-weight: 700;
}

.about__card--main span {
  color: var(--clr-muted);
  font-size: 0.83rem;
}

.about__card--stat {
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: center;
}

.about__card--stat strong {
  font-family: 'Syne', sans-serif;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--clr-primary);
  line-height: 1;
}

.about__card--stat span {
  font-size: 0.8rem;
  color: var(--clr-muted);
  font-weight: 500;
}

.about__card--stat {
  bottom: 80px;
  right: 0;
  width: 150px;
}


.about__flag-row {
  position: absolute;
  bottom: 0;
  left: 0;
  background: #fff;
  border: 1px solid var(--clr-border);
  border-radius: 40px;
  padding: 10px 20px;
  display: flex;
  gap: 10px;
  font-size: 1.4rem;
  box-shadow: var(--shadow);
}

.about__text h2 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.6rem, 2.5vw, 2.1rem);
  color: var(--clr-heading);
  line-height: 1.3;
  margin-bottom: 20px;
}

.about__text p {
  color: var(--clr-text);
  margin-bottom: 16px;
  line-height: 1.8;
}

.about__values {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 32px;
}

.value-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.value-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  background: var(--clr-primary-lt);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  margin-top: 2px;
}

.value-item strong {
  display: block;
  color: var(--clr-heading);
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.value-item p {
  font-size: 0.87rem;
  color: var(--clr-muted);
  margin: 0;
  line-height: 1.5;
}

/* === PORTFOLIO === */
.portfolio {
  background: var(--clr-bg);
}

.portfolio__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 24px;
  align-items: start;
}

.portfolio-card {
  background: var(--clr-bg-alt);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}

.portfolio-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.portfolio-card--featured {
  display: grid;
  grid-template-columns: 1fr;
}

.portfolio-card__preview {
  background: #f3f4f6;
  padding: 24px 24px 0;
  border-bottom: 1px solid var(--clr-border);
}

.preview-browser {
  background: #fff;
  border-radius: 10px 10px 0 0;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.preview-browser__bar {
  background: #f3f4f6;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid #e5e7eb;
}

.preview-browser__bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #e5e7eb;
}

.preview-browser__bar span:nth-child(1) { background: #fc5f5f; }
.preview-browser__bar span:nth-child(2) { background: #fbbf24; }
.preview-browser__bar span:nth-child(3) { background: #34d399; }

.preview-browser__url {
  flex: 1;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  padding: 3px 10px;
  font-size: 0.75rem;
  color: #9ca3af;
  margin-left: 8px;
}

.preview-browser__content {
  padding: 16px;
  height: 220px;
  overflow: hidden;
}

.dark-preview {
  background: #0d0f14;
}

.dp-nav {
  height: 12px;
  background: #181c26;
  border-radius: 4px;
  margin-bottom: 16px;
}

.dp-hero {
  margin-bottom: 14px;
}

.dp-title {
  height: 18px;
  width: 65%;
  background: linear-gradient(90deg, #e8a020, #3a7fff);
  border-radius: 4px;
  margin-bottom: 8px;
  opacity: 0.7;
}

.dp-sub {
  height: 8px;
  width: 80%;
  background: #232840;
  border-radius: 3px;
  margin-bottom: 6px;
}

.dp-btn {
  height: 10px;
  width: 100px;
  background: #e8a020;
  border-radius: 4px;
  opacity: 0.8;
}

.dp-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.dp-card {
  height: 60px;
  background: #181c26;
  border-radius: 6px;
  border: 1px solid #232840;
}

.portfolio-card__info {
  padding: 28px 28px 32px;
}

.portfolio-card__tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.tag {
  background: var(--clr-primary-lt);
  color: var(--clr-primary);
  font-size: 0.76rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
  letter-spacing: 0.04em;
}

.portfolio-card__info h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1.3rem;
  color: var(--clr-heading);
  margin-bottom: 10px;
}

.portfolio-card__info p {
  font-size: 0.92rem;
  color: var(--clr-text);
  line-height: 1.65;
  margin-bottom: 20px;
}

.portfolio-card__details {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.portfolio-card__details li {
  font-size: 0.87rem;
  color: var(--clr-muted);
}

.portfolio-card__details strong {
  color: var(--clr-text);
}

.portfolio-card__cta {
  margin-top: 20px;
  display: inline-flex;
}

.portfolio-card--placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 36px;
  min-height: 340px;
  border-style: dashed;
  border-color: var(--clr-primary);
  background: var(--clr-primary-lt);
}

.placeholder-icon {
  width: 64px;
  height: 64px;
  background: var(--clr-primary-lt);
  border: 2px solid var(--clr-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--clr-primary);
  margin-bottom: 20px;
  font-weight: 300;
}

.portfolio-card--placeholder h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1.2rem;
  color: var(--clr-heading);
  margin-bottom: 10px;
}

.portfolio-card--placeholder p {
  font-size: 0.9rem;
  color: var(--clr-text);
  margin-bottom: 24px;
  line-height: 1.6;
}

/* === CONTACT === */
.contact {
  background: var(--clr-bg-alt);
}

.contact__layout {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 80px;
  align-items: start;
}

.contact__info h2 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.6rem, 2.5vw, 2.1rem);
  color: var(--clr-heading);
  line-height: 1.3;
  margin-bottom: 16px;
}

.contact__info > p {
  color: var(--clr-text);
  margin-bottom: 40px;
  line-height: 1.8;
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 36px;
}

.contact__detail {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.contact__detail-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  background: var(--clr-primary-lt);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

.contact__detail strong {
  display: block;
  color: var(--clr-heading);
  font-size: 0.88rem;
  margin-bottom: 2px;
}

.contact__detail span, .contact__detail a {
  font-size: 0.9rem;
  color: var(--clr-text);
}

.lang-note {
  font-size: 0.85rem;
  color: var(--clr-muted);
  margin-bottom: 10px;
}

.lang-chips--dark .chip {
  background: var(--clr-bg);
}

.chip--sm {
  font-size: 0.78rem;
  padding: 4px 10px;
}

/* === FORM === */
.contact__form {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--clr-heading);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--clr-bg-alt);
  border: 1.5px solid var(--clr-border);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--clr-heading);
  font-family: 'Inter', sans-serif;
  font-size: 0.93rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  appearance: none;
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239ca3af' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-color: var(--clr-bg-alt);
  padding-right: 38px;
  cursor: pointer;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--clr-muted);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(79,70,229,0.12);
  background: #fff;
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239,68,68,0.1);
}

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

.form-group--checkbox {
  flex-direction: row;
  align-items: flex-start;
  gap: 12px;
}

.form-group--checkbox input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  min-width: 20px;
  margin-top: 1px;
  border: 2px solid var(--clr-border);
  border-radius: 5px;
  background: var(--clr-bg-alt);
  cursor: pointer;
  position: relative;
  transition: background var(--transition), border-color var(--transition);
  flex-shrink: 0;
}

.form-group--checkbox input[type="checkbox"]:hover {
  border-color: var(--clr-primary);
}

.form-group--checkbox input[type="checkbox"]:checked {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
}

.form-group--checkbox input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 6px;
  width: 5px;
  height: 9px;
  border: 2px solid #fff;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}

.form-group--checkbox label {
  font-size: 0.83rem;
  color: var(--clr-muted);
  cursor: pointer;
  line-height: 1.5;
}

.privacy-link {
  background: none;
  border: none;
  padding: 0;
  color: var(--clr-primary);
  font-size: inherit;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.privacy-link:hover { color: var(--clr-accent); }

.btn:disabled,
.btn[disabled] {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

/* === MODAL === */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 20, 0.55);
  backdrop-filter: blur(4px);
  z-index: 500;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.modal-overlay.open { display: flex; }

.modal {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  max-width: 620px;
  width: 100%;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 24px 80px rgba(0,0,0,0.2);
  animation: modal-in 0.25s ease;
}

@keyframes modal-in {
  from { opacity: 0; transform: translateY(16px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px 20px;
  border-bottom: 1px solid var(--clr-border);
  flex-shrink: 0;
}

.modal__header h2 {
  font-family: 'Syne', sans-serif;
  font-size: 1.2rem;
  color: var(--clr-heading);
}

.modal__close {
  background: none;
  border: none;
  font-size: 1.6rem;
  line-height: 1;
  color: var(--clr-muted);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: all var(--transition);
}
.modal__close:hover {
  background: var(--clr-bg-alt);
  color: var(--clr-heading);
}

.modal__body {
  overflow-y: auto;
  padding: 24px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.modal__updated {
  font-size: 0.82rem;
  color: var(--clr-muted);
  margin-bottom: 4px;
}

.modal__body h3 {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--clr-heading);
  margin-top: 4px;
  margin-bottom: -8px;
}

.modal__body p {
  font-size: 0.88rem;
  color: var(--clr-text);
  line-height: 1.7;
}

.modal__body a {
  color: var(--clr-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.modal__footer {
  padding: 16px 28px 24px;
  border-top: 1px solid var(--clr-border);
  display: flex;
  justify-content: flex-end;
  flex-shrink: 0;
}

.form-success {
  display: none;
  background: #f0fdf4;
  border: 1px solid #86efac;
  color: #16a34a;
  padding: 14px 18px;
  border-radius: 8px;
  font-size: 0.93rem;
  font-weight: 500;
  text-align: center;
}

/* === FOOTER === */
.footer {
  background: var(--clr-heading);
  padding-top: 64px;
}

.footer .nav__logo {
  color: #fff;
}

.footer .logo-accent {
  color: #818cf8;
}

.footer__layout {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer__brand p {
  margin-top: 16px;
  color: #9ca3af;
  font-size: 0.9rem;
  max-width: 260px;
  line-height: 1.7;
}

.footer__links h4,
.footer__contact h4 {
  color: #fff;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.footer__links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__links ul a {
  color: #9ca3af;
  font-size: 0.9rem;
}
.footer__links ul a:hover { color: #818cf8; }

.footer__contact p {
  color: #9ca3af;
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 8px;
}

.footer__contact a {
  color: #9ca3af;
  font-size: 0.9rem;
}
.footer__contact a:hover { color: #818cf8; }

.footer__langs {
  margin-top: 12px;
  font-size: 1.3rem;
  display: flex;
  gap: 8px;
}

.footer__bottom {
  border-top: 1px solid #374151;
  padding: 20px 0;
}

.footer__bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.footer__bottom p {
  color: #6b7280;
  font-size: 0.83rem;
}

.footer__bottom a {
  color: #6b7280;
}
.footer__bottom a:hover { color: #818cf8; }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio__grid { grid-template-columns: 1fr; }
  .footer__layout { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .nav__links {
    display: none;
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    align-items: center;
    padding: 32px 24px 40px;
    gap: 24px;
    border-bottom: 1px solid var(--clr-border);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  }
  .nav__links.open { display: flex; }
  .nav__burger { display: flex; }

  .services__grid { grid-template-columns: 1fr; }
  .about__layout { grid-template-columns: 1fr; gap: 40px; }
  .about__visual { height: 280px; }
  .contact__layout { grid-template-columns: 1fr; gap: 48px; }
  .form-row { grid-template-columns: 1fr; }
  .contact__form { padding: 28px 20px; }
  .footer__layout { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom .container { flex-direction: column; text-align: center; }
  .hero__cta { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .section { padding: 64px 0; }
}