/* ============================================================
   alple.ru — Design System
   Тихий профессионализм: тёмная база, один акцент, Inter
   ============================================================ */

:root {
  --bg:           #0a0b0f;
  --bg-elev:      #11131a;
  --bg-card:      #14171f;
  --bg-card-hov:  #181c26;
  --border:       #232838;
  --border-soft:  #1a1e2a;
  --text:         #f1f3f8;
  --text-soft:    #c5cad8;
  --muted:        #8a93a8;
  --muted-soft:   #6a7388;

  --accent:       #7C5CFF;
  --accent-2:     #00D4FF;
  --accent-soft:  rgba(124, 92, 255, 0.12);
  --accent-glow:  rgba(124, 92, 255, 0.25);

  --success:      #4ADE80;
  --danger:       #F87171;

  --radius-sm:    8px;
  --radius:       14px;
  --radius-lg:    20px;
  --radius-xl:    28px;

  --shadow-sm:    0 1px 2px rgba(0,0,0,0.4);
  --shadow:       0 6px 24px rgba(0,0,0,0.45);
  --shadow-lg:    0 24px 60px rgba(0,0,0,0.55);

  --container:    1200px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  /* iOS safe-area */
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
  /* Smooth scroll on iOS */
  -webkit-overflow-scrolling: touch;
}

/* Background ambient grid */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(124, 92, 255, 0.10), transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 100%, rgba(0, 212, 255, 0.06), transparent 60%);
  z-index: -1;
  pointer-events: none;
}

a { color: inherit; text-decoration: none; transition: color .15s; }
a:hover { color: var(--accent-2); }

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

button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }

/* ============================================================
   Layout
   ============================================================ */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section + .section { padding-top: 0; }

.section-head {
  margin-bottom: 48px;
  max-width: 720px;
}

.section-eyebrow {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 17px;
  color: var(--text-soft);
  line-height: 1.6;
}

.section-subtitle a {
  color: var(--accent-2);
  border-bottom: 1px solid transparent;
  transition: border-color .15s;
}
.section-subtitle a:hover { border-bottom-color: var(--accent-2); }

.gradient-text {
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ============================================================
   Header
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(10, 11, 15, 0.7);
  border-bottom: 1px solid var(--border-soft);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  max-width: var(--container);
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 800;
  color: #0a0b0f;
  letter-spacing: 0;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-nav a {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--muted);
  font-weight: 500;
  transition: color .15s, background .15s;
}

.site-nav a:hover {
  color: var(--text);
  background: var(--bg-card);
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.005em;
  transition: all .15s;
  white-space: nowrap;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, #6342dd 100%);
  color: #fff;
  box-shadow: 0 4px 20px rgba(124, 92, 255, 0.25);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 28px rgba(124, 92, 255, 0.35);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  background: var(--bg-card);
  border-color: var(--accent);
  color: var(--text);
}

.btn-lg { padding: 14px 28px; font-size: 15px; border-radius: var(--radius); }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  padding: 80px 0 60px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1px solid rgba(124, 92, 255, 0.3);
  font-size: 12px;
  font-weight: 500;
  color: var(--accent-2);
  letter-spacing: 0.04em;
  margin-bottom: 20px;
}

.hero-eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero h1 {
  font-size: clamp(36px, 6vw, 68px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 16px;
}

.hero-tagline {
  font-size: 17px;
  color: var(--accent-2);
  font-weight: 500;
  margin-bottom: 24px;
  letter-spacing: -0.005em;
}

.hero-lead {
  font-size: clamp(18px, 2.2vw, 22px);
  color: var(--text-soft);
  line-height: 1.5;
  margin-bottom: 36px;
  max-width: 560px;
}

.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-portrait {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
}

.hero-portrait::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(10, 11, 15, 0.5) 100%);
  pointer-events: none;
}

.hero-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-stats {
  margin-top: 80px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.hero-stat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 20px;
  transition: border-color .15s, transform .15s;
}

.hero-stat:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.hero-stat-value {
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 6px;
}

.hero-stat-label {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.45;
}

/* ============================================================
   Services
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color .2s, transform .2s, background .2s;
}

.service-card:hover {
  border-color: var(--accent);
  background: var(--bg-card-hov);
  transform: translateY(-2px);
}

.service-card h3 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin-bottom: 10px;
}

.service-card p {
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.55;
  margin-bottom: 18px;
}

.service-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.service-chip {
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  font-size: 12px;
  color: var(--muted);
  font-weight: 500;
}

/* ============================================================
   Projects (Cases)
   ============================================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  cursor: pointer;
  transition: border-color .2s, transform .2s, background .2s;
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--card-accent, var(--accent)) 0%, transparent 100%);
  opacity: 0.7;
}

.project-card:hover {
  border-color: var(--card-accent, var(--accent));
  background: var(--bg-card-hov);
  transform: translateY(-2px);
}

.project-card:hover .project-monogram {
  transform: scale(1.05);
}

.project-card-head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 16px;
}

.project-monogram {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: var(--radius);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.02em;
  color: #fff;
  background: linear-gradient(135deg, var(--card-accent, var(--accent)) 0%, var(--accent-2) 100%);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  transition: transform .2s;
}
.project-monogram svg { width: 26px; height: 26px; stroke-width: 2; }
.project-monogram .monogram-text { display: inline-block; }

.project-title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.25;
  margin-bottom: 4px;
}

.project-subtitle {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.45;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.project-tag {
  padding: 4px 10px;
  border-radius: 6px;
  background: var(--accent-soft);
  border: 1px solid rgba(124, 92, 255, 0.2);
  font-size: 11px;
  color: var(--text-soft);
  font-weight: 500;
  letter-spacing: 0.01em;
}

.project-kpi-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding-top: 16px;
  border-top: 1px solid var(--border-soft);
}

.project-kpi {
  display: flex;
  flex-direction: column;
}

.project-kpi-value {
  font-weight: 700;
  font-size: 14px;
  color: var(--text);
  letter-spacing: -0.01em;
}

.project-kpi-label {
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}

.project-cta {
  margin-top: 18px;
  font-size: 13px;
  color: var(--accent-2);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ============================================================
   Project Modal (Detail)
   ============================================================ */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(5, 6, 10, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s;
  overflow-y: auto;
}

.modal[data-open="true"] {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  max-width: 880px;
  width: 100%;
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-lg);
}

.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 22px;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .15s, transform .15s;
}
.modal-close:hover { background: var(--bg-card-hov); transform: rotate(90deg); }

.modal-header {
  padding: 36px 40px 24px;
  border-bottom: 1px solid var(--border-soft);
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.modal-monogram {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  border-radius: var(--radius);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 22px;
  color: #fff;
  background: linear-gradient(135deg, var(--card-accent, var(--accent)) 0%, var(--accent-2) 100%);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}
.modal-monogram svg { width: 30px; height: 30px; stroke-width: 2; }

.modal-title {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 6px;
}

.modal-subtitle {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.45;
}

.modal-body {
  padding: 32px 40px 40px;
}

.modal-cover {
  margin: 0 0 28px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-soft);
  background: var(--bg-elev);
  aspect-ratio: 16 / 9;
}
.modal-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.modal-block { margin-bottom: 28px; }
.modal-block:last-child { margin-bottom: 0; }

.modal-block h4 {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-2);
  margin-bottom: 10px;
}

.modal-block p,
.modal-block li {
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.6;
}

.modal-block ul {
  list-style: none;
  padding-left: 0;
}

.modal-block ul li {
  padding-left: 22px;
  position: relative;
  margin-bottom: 8px;
}
.modal-block ul li::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.modal-arch {
  display: grid;
  gap: 10px;
}

.modal-arch-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 16px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-soft);
}
.modal-arch-row:last-child { border-bottom: 0; }

.modal-arch-tech {
  font-weight: 600;
  color: var(--text);
  font-size: 14px;
}
.modal-arch-role {
  color: var(--text-soft);
  font-size: 14px;
}

.modal-kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}
.modal-kpi {
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.modal-kpi-value {
  font-weight: 800;
  font-size: 18px;
  background: linear-gradient(135deg, var(--card-accent, var(--accent)) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}
.modal-kpi-label { font-size: 13px; color: var(--muted); line-height: 1.4; }

.modal-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 8px;
}

/* ============================================================
   Stack
   ============================================================ */
.stack-categories {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.stack-category {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.stack-category h3 {
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 16px;
}

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

.stack-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-soft);
  transition: all .15s;
}

.stack-chip::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--chip-color, var(--accent));
}

.stack-chip:hover {
  border-color: var(--chip-color, var(--accent));
  color: var(--text);
  background: var(--bg-card-hov);
}

/* ============================================================
   Certificates
   ============================================================ */
.certificates-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.certificate {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: relative;
  overflow: hidden;
  transition: border-color .15s, transform .15s;
}

.certificate:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.certificate-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  border: 1px solid rgba(124, 92, 255, 0.3);
  margin-bottom: 14px;
  font-size: 18px;
}

.certificate h4 {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
  line-height: 1.3;
}

.certificate-issuer {
  font-size: 13px;
  color: var(--muted);
}

.certificates-cta {
  margin-top: 24px;
  font-size: 14px;
  color: var(--text-soft);
}
.certificates-cta a {
  color: var(--accent-2);
  border-bottom: 1px solid transparent;
  transition: border-color .15s;
}
.certificates-cta a:hover { border-bottom-color: var(--accent-2); }

/* ============================================================
   About
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: start;
}

.about-portrait {
  aspect-ratio: 1;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border);
}
.about-portrait img { width: 100%; height: 100%; object-fit: cover; }

.about-bio {
  font-size: 17px;
  color: var(--text-soft);
  line-height: 1.65;
  margin-bottom: 24px;
}

.about-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 12px;
}
.about-list li {
  padding-left: 22px;
  position: relative;
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.55;
}
.about-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 700;
}

/* ============================================================
   Contact
   ============================================================ */
.contact-card {
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-elev) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 60px 40px;
  text-align: center;
}

.contact-card h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.contact-card p {
  font-size: 17px;
  color: var(--text-soft);
  margin-bottom: 36px;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}

.contact-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 32px;
}

.contact-meta {
  display: flex;
  gap: 28px;
  justify-content: center;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--muted);
}

.contact-meta a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  transition: color .15s;
}
.contact-meta a:hover { color: var(--accent-2); }

.contact-meta-icon {
  display: inline-flex;
  width: 16px;
  height: 16px;
  align-items: center;
  justify-content: center;
}

/* ============================================================
   Footer
   ============================================================ */
footer {
  border-top: 1px solid var(--border-soft);
  padding: 32px 24px;
  text-align: center;
  color: var(--muted-soft);
  font-size: 13px;
}

footer a { color: var(--muted); }
footer a:hover { color: var(--accent-2); }

/* ============================================================
   Responsive — Mobile-first refinements
   Тестировано на ширинах: 320, 360, 375, 390, 412 (iPhone SE → Pixel)
   ============================================================ */

/* Tablet и ниже — общая адаптация */
@media (max-width: 900px) {
  .container { padding: 0 20px; }
  .section { padding: 64px 0; }
  .section-head { margin-bottom: 36px; }

  /* Header — компактнее, но кнопка остаётся */
  .site-header-inner { padding: 14px 18px; }
  .site-nav { gap: 0; }
  .site-nav a:not(.btn) { display: none; }
  .site-nav .btn { padding: 10px 16px; font-size: 13px; }

  /* Hero */
  .hero { padding: 32px 0 20px; }
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-portrait { max-width: 280px; margin: 0 auto; width: 100%; }
  .hero-stats {
    margin-top: 40px;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .hero-cta { width: 100%; }
  .hero-cta .btn { flex: 1; min-width: 140px; }

  /* Grids — все в 1 колонку */
  .services-grid,
  .projects-grid,
  .stack-categories,
  .certificates-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  /* About */
  .about-grid { grid-template-columns: 1fr; gap: 28px; }
  .about-portrait { max-width: 240px; margin: 0 auto; }

  /* Contact */
  .contact-card { padding: 36px 22px; }
  .contact-meta { gap: 14px 22px; }

  /* Modal — full-screen на мобиле */
  .modal { padding: 0; align-items: stretch; }
  .modal-content {
    border-radius: 0;
    max-height: 100vh;
    max-height: 100dvh;
    height: 100%;
    border: 0;
  }
  .modal-close { top: 14px; right: 14px; width: 40px; height: 40px; }
  .modal-header {
    padding: 70px 20px 18px;
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }
  .modal-monogram { width: 56px; height: 56px; font-size: 18px; }
  .modal-title { font-size: 22px; }
  .modal-body { padding: 22px 20px 36px; }
  .modal-arch-row { grid-template-columns: 1fr; gap: 4px; padding: 10px 0; }
  .modal-arch-tech { font-size: 13px; }
  .modal-kpi-grid { grid-template-columns: 1fr; gap: 8px; }
  .modal-kpi { padding: 14px 16px; }
  .modal-links .btn { width: 100%; }
}

/* Узкий мобильный (iPhone SE 320px, базовые Android 360px) */
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .section { padding: 48px 0; }

  /* Бренд — оставляем только мономарку, текст скрываем */
  .brand span:not(.brand-mark) { display: none; }
  .site-nav .btn { padding: 9px 14px; font-size: 13px; }

  .hero { padding: 24px 0 16px; }
  .hero-eyebrow { font-size: 11px; padding: 5px 12px; }
  .hero h1 { font-size: clamp(34px, 10vw, 44px); }
  .hero-tagline { font-size: 14px; }
  .hero-lead { font-size: 16px; }

  .hero-stats { grid-template-columns: 1fr; gap: 10px; }
  .hero-stat { padding: 18px; }
  .hero-stat-value { font-size: 22px; }
  .hero-stat-label { font-size: 13px; }

  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; }

  /* Touch-target минимум 44px (Apple HIG) */
  .btn { min-height: 44px; padding: 12px 20px; }
  .btn-lg { min-height: 48px; padding: 14px 22px; font-size: 15px; }

  .section-title { font-size: clamp(24px, 7vw, 32px); }
  .section-subtitle { font-size: 15px; }

  .project-card { padding: 22px 20px; }
  .project-monogram { width: 48px; height: 48px; font-size: 16px; }
  .project-title { font-size: 17px; }

  .service-card { padding: 22px 20px; }
  .service-card h3 { font-size: 18px; }
  .service-card p { font-size: 14px; }

  .stack-category { padding: 20px; }
  .stack-chip { font-size: 12px; padding: 7px 12px; }
  .stack-chip::before { width: 7px; height: 7px; }

  .contact-card { padding: 32px 18px; }
  .contact-card h2 { font-size: clamp(24px, 7vw, 32px); }
  .contact-card p { font-size: 15px; margin-bottom: 28px; }
  .contact-buttons { flex-direction: column; gap: 10px; }
  .contact-buttons .btn { width: 100%; }
  .contact-meta { flex-direction: column; gap: 12px; align-items: center; }
  .contact-meta a { font-size: 14px; }

  footer { padding: 24px 18px; font-size: 12px; line-height: 1.7; }

  /* Modal — учёт notch / dynamic island */
  .modal-header { padding-top: max(70px, calc(env(safe-area-inset-top) + 56px)); }
  .modal-body { padding-bottom: max(36px, env(safe-area-inset-bottom)); }
}

/* Tabular numbers на цифрах */
.hero-stat-value, .modal-kpi-value, .project-kpi-value {
  font-variant-numeric: tabular-nums;
}

/* Отключаем hover-эффекты на тач-устройствах */
@media (hover: none) {
  .project-card:hover,
  .service-card:hover,
  .certificate:hover,
  .hero-stat:hover {
    transform: none;
    border-color: var(--border);
    background: var(--bg-card);
  }
  .btn-primary:hover { transform: none; }
  .stack-chip:hover {
    border-color: var(--border);
    background: var(--bg-elev);
    color: var(--text-soft);
  }
}

/* iOS: backdrop-blur fallback */
@supports not (backdrop-filter: blur(20px)) {
  .site-header { background: rgba(10, 11, 15, 0.95); }
  .modal { background: rgba(5, 6, 10, 0.95); }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}