:root {
  --bg: #f5f5f7;
  --surface: rgba(255, 255, 255, 0.85);
  --surface-solid: #ffffff;
  --text: #1d1d1f;
  --muted: #6b7280;
  --faint: #9ca3af;
  --accent: #8b5cf6;
  --accent-2: #6366f1;
  --tg-1: #2aabee;
  --tg-2: #229ed9;
  --border: rgba(0, 0, 0, 0.06);
  --radius: 20px;
  --radius-sm: 14px;
  --shadow: 0 8px 40px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-hover: 0 16px 50px rgba(99, 102, 241, 0.16);
  --topbar-bg: rgba(245, 245, 247, 0.7);
  --maxw: 1040px;
}

:root[data-theme="dark"] {
  --bg: #0e0f13;
  --surface: rgba(28, 30, 38, 0.72);
  --surface-solid: #1a1c22;
  --text: #f3f4f6;
  --muted: #9aa1ad;
  --faint: #6b7280;
  --accent: #a78bfa;
  --accent-2: #818cf8;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 8px 40px rgba(0, 0, 0, 0.5), 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-hover: 0 16px 50px rgba(124, 92, 246, 0.28);
  --topbar-bg: rgba(14, 15, 19, 0.7);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0e0f13;
    --surface: rgba(28, 30, 38, 0.72);
    --surface-solid: #1a1c22;
    --text: #f3f4f6;
    --muted: #9aa1ad;
    --faint: #6b7280;
    --accent: #a78bfa;
    --accent-2: #818cf8;
    --border: rgba(255, 255, 255, 0.08);
    --shadow: 0 8px 40px rgba(0, 0, 0, 0.5), 0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-hover: 0 16px 50px rgba(124, 92, 246, 0.28);
    --topbar-bg: rgba(14, 15, 19, 0.7);
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text);
  line-height: 1.55;
  overflow-x: hidden;
}

body::before,
body::after {
  content: '';
  position: fixed;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.32;
  pointer-events: none;
  z-index: 0;
  animation: drift 11s ease-in-out infinite alternate;
}

body::before {
  width: 460px;
  height: 460px;
  background: radial-gradient(circle, #c7d2fe, #a5b4fc);
  top: -140px;
  left: -120px;
}

body::after {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #fde8d0, #fbc99a);
  top: 30%;
  right: -140px;
  animation-direction: alternate-reverse;
  animation-duration: 13s;
}

@keyframes drift {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(50px, 40px) scale(1.1); }
}

@property --border-angle {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  z-index: 30;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--accent), var(--tg-1));
  will-change: transform;
}

.cursor-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.12) 0%, rgba(167, 139, 250, 0.05) 40%, transparent 65%);
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.wrap {
  position: relative;
  z-index: 1;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Top bar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: var(--topbar-bg);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 60px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  color: var(--text);
}

.brand img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
}

.topnav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.topnav a {
  font-size: 0.88rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s;
}

.topnav a:hover { color: var(--text); }

.lang-switcher {
  display: flex;
  gap: 0.25rem;
}

.lang-btn {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.22rem 0.5rem;
  border-radius: 6px;
  text-decoration: none;
  letter-spacing: 0.04em;
  color: var(--faint);
  transition: color 0.15s, background 0.15s;
}

.lang-btn:hover { color: var(--text); background: rgba(128, 128, 128, 0.15); }
.lang-btn.active { color: var(--text); background: rgba(128, 128, 128, 0.22); }

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  margin-left: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
}

.theme-toggle:hover { color: var(--text); background: rgba(128, 128, 128, 0.12); }
.theme-toggle svg { width: 17px; height: 17px; }

/* Бургер (только на мобильном) */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 32px;
  height: 32px;
  margin-left: 0.25rem;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 16px;
  height: 2px;
  margin: 0 auto;
  border-radius: 2px;
  background: var(--muted);
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.topnav.open .nav-toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.topnav.open .nav-toggle span:nth-child(2) { opacity: 0; }
.topnav.open .nav-toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .icon-sun { display: block; }
  :root:not([data-theme="light"]) .theme-toggle .icon-moon { display: none; }
}

/* Sections */
section { padding: 5.5rem 0; }

.section-head {
  text-align: center;
  margin-bottom: 3rem;
}

.section-head h2 {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.section-head p {
  color: var(--muted);
  margin-top: 0.5rem;
  font-size: 1rem;
}

/* Hero */
.hero {
  min-height: calc(100vh - 60px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 3rem;
  padding-bottom: 4rem;
}

.avatar {
  position: relative;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin: 0 auto 1.75rem;
  animation: heroIn 0.7s cubic-bezier(0.22, 1, 0.36, 1) both, float 4s ease-in-out 1s infinite;
}

.avatar::before {
  content: '';
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  background: conic-gradient(from var(--border-angle), var(--accent), #c084fc, var(--tg-1), #fbc99a, #c7d2fe, var(--accent));
  animation: border-spin 5s linear infinite;
  z-index: -1;
}

.avatar-inner {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  overflow: hidden;
  box-shadow: 0 0 0 4px var(--bg);
  animation: pulse-ring 3s ease-in-out infinite;
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

@keyframes border-spin { to { --border-angle: 360deg; } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-7px); } }
@keyframes pulse-ring {
  0%   { box-shadow: 0 0 0 4px var(--bg), 0 0 0 0 rgba(139, 92, 246, 0.35); }
  70%  { box-shadow: 0 0 0 4px var(--bg), 0 0 0 16px rgba(139, 92, 246, 0); }
  100% { box-shadow: 0 0 0 4px var(--bg), 0 0 0 0 rgba(139, 92, 246, 0); }
}

.hero h1 {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: clamp(2rem, 6vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.hero .name {
  background: linear-gradient(100deg, var(--accent), var(--accent-2), var(--tg-1), var(--accent));
  background-size: 220% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  animation: name-shine 6s linear infinite;
}

@keyframes name-shine { to { background-position: 220% center; } }

/* Hero entrance (каскад при загрузке) */
@keyframes heroIn {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: none; }
}

.hero h1,
.hero .offer,
.hero-stats,
.cta-row,
.hero .scroll-hint {
  animation: heroIn 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.hero h1          { animation-delay: 0.08s; }
.hero .offer      { animation-delay: 0.16s; }
.hero-stats       { animation-delay: 0.24s; }
.cta-row          { animation-delay: 0.32s; }
.hero .scroll-hint { animation-delay: 0.44s; }

/* Мини-статы */
.hero-stats {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: clamp(1.1rem, 4vw, 2.75rem);
  margin-top: 2rem;
}

.hero-stats .stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
  position: relative;
}

.hero-stats .stat + .stat::before {
  content: '';
  position: absolute;
  left: calc(-1 * clamp(1.1rem, 4vw, 2.75rem) / 2);
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 26px;
  background: var(--border);
}

.hero-stats .stat-num {
  font-size: clamp(1.1rem, 2.6vw, 1.45rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  white-space: nowrap;
}

.hero-stats .stat-label {
  font-size: 0.8rem;
  color: var(--muted);
  white-space: nowrap;
}

.hero .role {
  display: inline-block;
  margin-top: 0.75rem;
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
  background: rgba(139, 92, 246, 0.1);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.hero .offer {
  max-width: 580px;
  margin: 1.5rem auto 0;
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  color: var(--muted);
}

.cta-row {
  display: flex;
  gap: 0.9rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2.25rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 1.6rem;
  border-radius: 12px;
  font-size: 0.98rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.18s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.18s ease, background 0.18s ease;
}

.btn svg { width: 20px; height: 20px; flex-shrink: 0; }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: linear-gradient(135deg, var(--tg-1), var(--tg-2));
  color: #fff;
  box-shadow: 0 6px 20px rgba(34, 158, 217, 0.3);
}

.btn-primary:hover { box-shadow: 0 10px 28px rgba(34, 158, 217, 0.4); }

.btn-secondary {
  background: var(--surface-solid);
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.btn-secondary:hover { box-shadow: var(--shadow-hover); }

.scroll-hint {
  margin-top: 3rem;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  color: var(--faint);
  font-size: 0.82rem;
  text-decoration: none;
  transition: color 0.15s;
}

.scroll-hint:hover { color: var(--muted); }
.scroll-hint svg { width: 18px; height: 18px; animation: bob 1.8s ease-in-out infinite; }
@keyframes bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(4px); } }

/* Cards & grids */
.card {
  background: var(--surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  perspective: 1000px;
}

.service {
  padding: 1.75rem;
  transform-style: preserve-3d;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.service .icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.14), rgba(99, 102, 241, 0.14));
  color: var(--accent);
  margin-bottom: 1.1rem;
}

.service .icon svg { width: 24px; height: 24px; }

.service h3 { font-size: 1.1rem; font-weight: 650; margin-bottom: 0.5rem; }
.service p { color: var(--muted); font-size: 0.94rem; }

.about-lead {
  max-width: 720px;
  margin: 0 auto 3rem;
  text-align: center;
  font-size: clamp(1.05rem, 2.4vw, 1.3rem);
  color: var(--text);
}

/* Stack */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
}

.stack-item {
  padding: 1.1rem 0.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stack-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.stack-item img {
  width: 38px;
  height: 38px;
  filter: grayscale(1);
  opacity: 0.7;
  transition: filter 0.25s ease, opacity 0.25s ease;
}
.stack-item:hover img { filter: grayscale(0); opacity: 1; }
.stack-item span { font-size: 0.78rem; color: var(--muted); font-weight: 500; }

:root[data-theme="dark"] .stack-item img {
  background: #fff; padding: 5px; border-radius: 9px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .stack-item img {
    background: #fff; padding: 5px; border-radius: 9px;
  }
}

/* Work */
.work-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  perspective: 1000px;
}

.project {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  transform-style: preserve-3d;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.project-logo {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: #0f172a;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.1rem;
}

.project-logo svg { width: 32px; height: 32px; color: #fff; }

.project-logo-img {
  display: block;
  width: 56px;
  height: 56px;
  border-radius: 14px;
  margin-bottom: 1.1rem;
}

.project.placeholder .project-logo { background: rgba(139, 92, 246, 0.12); }
.project.placeholder .project-logo svg { color: var(--accent); }

.project-shot {
  display: block;
  margin: -1.75rem -1.75rem 1.25rem;
  border-radius: var(--radius) var(--radius) 0 0;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.project-shot img {
  display: block;
  width: 100%;
  height: auto;
}

.project-shot-dark { display: none; }
:root[data-theme="dark"] .project-shot-light { display: none; }
:root[data-theme="dark"] .project-shot-dark { display: block; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .project-shot-light { display: none; }
  :root:not([data-theme="light"]) .project-shot-dark { display: block; }
}

.project h3 { font-size: 1.2rem; font-weight: 650; }
.project .project-role { color: var(--accent); font-size: 0.85rem; font-weight: 600; margin: 0.2rem 0 0.7rem; }
.project p { color: var(--muted); font-size: 0.94rem; flex-grow: 1; }

.project-link {
  margin-top: 1.25rem;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  align-self: flex-start;
  padding: 0.65rem 1.15rem;
  border-radius: 10px;
  background: var(--surface-solid);
  border: 1px solid var(--border);
  color: var(--accent-2);
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
  transition: transform 0.18s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.18s ease, border-color 0.18s ease;
}

.project-link:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  border-color: var(--accent-2);
}

.project-link:active { transform: translateY(0); }

.project-link svg { width: 16px; height: 16px; transition: transform 0.2s ease; }
.project-link:hover svg { transform: translate(2px, -2px); }

.project.placeholder {
  border-style: dashed;
  border-color: rgba(128, 128, 128, 0.3);
  background: rgba(128, 128, 128, 0.04);
  align-items: flex-start;
}

.project.placeholder h3 { color: var(--muted); }

.project-points {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.project-points li {
  position: relative;
  padding-left: 1.4rem;
  font-size: 0.9rem;
  line-height: 1.4;
  color: var(--muted);
  text-align: left;
}

.project-points li::before {
  content: '';
  position: absolute;
  left: 0.1rem;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.project-soon {
  margin-top: 1.25rem;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--accent);
}

.project-soon::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  animation: soon-pulse 2.4s ease-in-out infinite;
}

@keyframes soon-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(139, 92, 246, 0.5); }
  70%  { box-shadow: 0 0 0 7px rgba(139, 92, 246, 0); }
  100% { box-shadow: 0 0 0 0 rgba(139, 92, 246, 0); }
}

/* Contact */
.contact-card {
  max-width: 560px;
  margin: 0 auto;
  padding: 2.75rem 2.5rem;
  text-align: center;
  position: relative;
}

.contact-card h2 { font-size: clamp(1.6rem, 4vw, 2.2rem); font-weight: 700; }
.contact-card > p { color: var(--muted); margin: 0.75rem auto 2rem; max-width: 420px; }

.contacts {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.25rem;
  border-radius: 12px;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: transform 0.18s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.18s ease, background 0.18s ease;
}

.contact-link:hover { transform: translateY(-2px); }

.contact-link.telegram { background: #eef4fd; color: #2772c9; border: 1px solid #d0e4f7; }
.contact-link.telegram:hover { background: #e3eefa; box-shadow: 0 4px 16px rgba(39, 114, 201, 0.15); }
.contact-link.email { background: #fef6ee; color: #c2700f; border: 1px solid #f5dfc0; }
.contact-link.email:hover { background: #fdf0e3; box-shadow: 0 4px 16px rgba(194, 112, 15, 0.15); }
.contact-link.project { background: #f0f9ff; color: #0369a1; border: 1px solid #bae6fd; }
.contact-link.project:hover { background: #e0f2fe; box-shadow: 0 4px 16px rgba(14, 165, 233, 0.18); }

:root[data-theme="dark"] .contact-link.telegram {
  background: rgba(42, 171, 238, 0.12); color: #5fbcf0; border-color: rgba(42, 171, 238, 0.25);
}
:root[data-theme="dark"] .contact-link.email {
  background: rgba(245, 158, 11, 0.1); color: #f0b454; border-color: rgba(245, 158, 11, 0.22);
}
:root[data-theme="dark"] .contact-link.project {
  background: rgba(56, 189, 248, 0.1); color: #5cc6f5; border-color: rgba(56, 189, 248, 0.22);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .contact-link.telegram {
    background: rgba(42, 171, 238, 0.12); color: #5fbcf0; border-color: rgba(42, 171, 238, 0.25);
  }
  :root:not([data-theme="light"]) .contact-link.email {
    background: rgba(245, 158, 11, 0.1); color: #f0b454; border-color: rgba(245, 158, 11, 0.22);
  }
  :root:not([data-theme="light"]) .contact-link.project {
    background: rgba(56, 189, 248, 0.1); color: #5cc6f5; border-color: rgba(56, 189, 248, 0.22);
  }
}

.contact-link svg { flex-shrink: 0; width: 20px; height: 20px; transition: transform 0.2s ease; }
.contact-link:hover svg { transform: scale(1.12); }
.contact-text { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

footer {
  text-align: center;
  padding: 2.5rem 0 3rem;
  color: var(--faint);
  font-size: 0.85rem;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.visible { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 900px) {
  .services { grid-template-columns: 1fr 1fr; }
  .stack-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 768px) {
  section { padding: 4rem 0; }

  .nav-toggle { display: inline-flex; }

  .topnav .nav-links {
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.35rem 1.5rem 0.85rem;
    background: var(--topbar-bg);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    transform: translateY(-10px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  }

  .topnav.open .nav-links {
    opacity: 1;
    visibility: visible;
    transform: none;
    pointer-events: auto;
  }

  .topnav .nav-links a {
    padding: 0.85rem 0.25rem;
    font-size: 1rem;
    border-bottom: 1px solid var(--border);
  }

  .topnav .nav-links a:last-child { border-bottom: none; }
}

@media (max-width: 560px) {
  .wrap { padding-left: 1rem; padding-right: 1rem; }
  .services { grid-template-columns: 1fr; }
  .stack-grid { grid-template-columns: repeat(3, 1fr); }
  .work-grid { grid-template-columns: 1fr; }
  .cta-row { flex-direction: column; }
  .cta-row .btn { width: 100%; justify-content: center; }
  .contact-card { padding: 2rem 1.4rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}