/* ============================================================
   ООО «Цифровые Решения» — сайт компании (светлая тема)
   ============================================================ */

:root {
  --bg: #f6f8fb;
  --bg-soft: #eef2f7;
  --surface: #ffffff;
  --surface-2: #f4f7fb;
  --border: rgba(15, 23, 42, 0.09);
  --text: #101828;
  --muted: #5a6b85;
  --indigo: #4f46e5;
  --cyan: #0891b2;
  --violet: #7c3aed;
  --grad: linear-gradient(120deg, #4f46e5 0%, #0891b2 100%);
  --radius: 18px;
  --shadow: 0 20px 50px rgba(15, 23, 42, 0.1);
  --font-body: "Manrope", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-head: "Unbounded", "Manrope", "Segoe UI", system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: rgba(79, 70, 229, 0.16); }

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

a { color: inherit; text-decoration: none; }

ul, ol { list-style: none; }

.container {
  width: min(1180px, 100% - 48px);
  margin-inline: auto;
}

.section { padding: 96px 0; position: relative; }

.section-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }

.section-head h2 {
  font-family: var(--font-head);
  font-size: clamp(26px, 3.4vw, 40px);
  font-weight: 700;
  line-height: 1.25;
  margin: 16px 0 14px;
  letter-spacing: -0.01em;
  color: var(--text);
}

.section-head p { color: var(--muted); font-size: 17px; }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border: 1px solid rgba(79, 70, 229, 0.3);
  border-radius: 999px;
  background: rgba(79, 70, 229, 0.08);
  color: #4338ca;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.tag::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--grad);
  box-shadow: 0 0 12px rgba(8, 145, 178, 0.7);
}

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  border-radius: 12px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 10px 26px rgba(79, 70, 229, 0.3);
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 36px rgba(79, 70, 229, 0.42); }

.btn-ghost {
  background: rgba(15, 23, 42, 0.05);
  color: var(--text);
  border-color: var(--border);
}

.btn-ghost:hover { border-color: rgba(79, 70, 229, 0.55); background: rgba(79, 70, 229, 0.08); transform: translateY(-2px); }

.btn-sm { padding: 11px 22px; font-size: 14px; }

.btn-block { width: 100%; }

/* ---------- Header ---------- */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding: 18px 0;
  transition: background 0.3s ease, padding 0.3s ease, border-color 0.3s ease;
  border-bottom: 1px solid transparent;
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
  padding: 12px 0;
}

.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.logo { display: inline-flex; align-items: center; gap: 12px; }

.logo-mark {
  display: grid;
  place-items: center;
  width: 42px; height: 42px;
  border-radius: 12px;
  background: var(--grad);
  color: #fff;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  box-shadow: 0 8px 22px rgba(79, 70, 229, 0.35);
}

.logo-text { font-family: var(--font-head); font-size: 16px; font-weight: 600; letter-spacing: 0.01em; color: var(--text); }

.nav { display: flex; align-items: center; gap: 32px; }

.nav-link {
  font-size: 15px;
  font-weight: 600;
  color: var(--muted);
  transition: color 0.2s ease;
  position: relative;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 2px;
  border-radius: 2px;
  background: var(--grad);
  transition: width 0.25s ease;
}

.nav-link:hover { color: var(--text); }
.nav-link:hover::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: 16px; }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}

.burger span {
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 160px 0 96px;
  overflow: hidden;
}

.hero-bg { position: absolute; inset: 0; z-index: -1; }

.grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(79, 70, 229, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79, 70, 229, 0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 40%, transparent 100%);
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.55;
}

.orb-1 { width: 480px; height: 480px; top: -120px; left: -140px; background: rgba(99, 102, 241, 0.28); animation: float 12s ease-in-out infinite; }
.orb-2 { width: 420px; height: 420px; bottom: -160px; right: -120px; background: rgba(34, 211, 238, 0.25); animation: float 15s ease-in-out infinite reverse; }

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, 40px); }
}

.hero-inner { position: relative; z-index: 1; }

.hero-content { max-width: 820px; }

.hero h1 {
  font-family: var(--font-head);
  font-size: clamp(30px, 5.2vw, 56px);
  font-weight: 700;
  line-height: 1.18;
  margin: 22px 0 22px;
  letter-spacing: -0.02em;
  color: var(--text);
}

.hero-sub { font-size: 18px; color: var(--muted); max-width: 660px; margin-bottom: 36px; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 64px; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.stat b {
  display: block;
  font-family: var(--font-head);
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  margin-bottom: 4px;
}

.stat .pct { font-size: 0.6em; }

.stat-label { font-size: 13.5px; color: var(--muted); line-height: 1.4; }

/* ---------- Services ---------- */
.services { background: var(--bg-soft); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.service-card {
  background: linear-gradient(160deg, #ffffff 0%, #f8fafd 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(79, 70, 229, 0.45);
  box-shadow: var(--shadow);
}

.service-card:hover::before { opacity: 1; }

.service-icon {
  width: 54px; height: 54px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(79, 70, 229, 0.1);
  color: #4338ca;
  margin-bottom: 20px;
}

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

.service-card h3 { font-family: var(--font-head); font-size: 18px; font-weight: 600; margin-bottom: 12px; color: var(--text); }

.service-card > p { font-size: 14.5px; color: var(--muted); margin-bottom: 16px; }

.service-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  color: var(--text);
  margin-bottom: 8px;
}

.service-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 8px;
  width: 8px; height: 8px;
  border-radius: 3px;
  background: var(--grad);
}

/* ---------- Works / Case ---------- */
.works { background: var(--bg); }

.case {
  background: linear-gradient(170deg, #ffffff 0%, #f7fafd 100%);
  border: 1px solid var(--border);
  border-radius: 26px;
  padding: clamp(24px, 4vw, 56px);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.case-top {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 56px;
}

.case-labels { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 20px; }

.case-badge {
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.03em;
  border: 1px solid var(--border);
  color: var(--muted);
  background: rgba(15, 23, 42, 0.04);
}

.case-badge.accent {
  color: #4338ca;
  border-color: rgba(79, 70, 229, 0.35);
  background: rgba(79, 70, 229, 0.08);
}

.case-info h3 {
  font-family: var(--font-head);
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 600;
  line-height: 1.35;
  margin-bottom: 10px;
  color: var(--text);
}

.case-site {
  display: inline-block;
  font-size: 15px;
  font-weight: 700;
  color: #0284c7;
  margin-bottom: 18px;
  transition: opacity 0.2s ease;
}

.case-site:hover { opacity: 0.75; }

.case-desc { color: var(--muted); font-size: 15.5px; margin-bottom: 26px; }

.case-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px 20px;
  margin-bottom: 28px;
}

.case-stat {
  display: flex;
  align-items: baseline;
  gap: 10px;
  background: rgba(15, 23, 42, 0.035);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
}

.case-stat b {
  font-family: var(--font-head);
  font-size: 20px;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  white-space: nowrap;
}

.case-stat span { font-size: 12.5px; color: var(--muted); line-height: 1.4; }

.case-actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* --- mockup (тёмный интерфейс продукта на светлой карточке) --- */
.case-mock {
  background: #0b1220;
  border: 1px solid rgba(15, 23, 42, 0.18);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 30px 70px rgba(15, 23, 42, 0.22);
  transform: perspective(1200px) rotateY(-4deg) rotateX(2deg);
  transition: transform 0.4s ease;
}

.case-mock:hover { transform: perspective(1200px) rotateY(0deg) rotateX(0deg); }

.mock-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.mock-dot { width: 10px; height: 10px; border-radius: 50%; background: #3b4a66; }
.mock-dot:nth-child(1) { background: #f87171; }
.mock-dot:nth-child(2) { background: #fbbf24; }
.mock-dot:nth-child(3) { background: #34d399; }

.mock-url {
  margin-left: 10px;
  padding: 4px 14px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  font-size: 12px;
  color: #9aa7bd;
}

.mock-body { display: flex; min-height: 340px; }

.mock-side {
  width: 128px;
  flex-shrink: 0;
  padding: 18px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
}

.mock-nav {
  padding: 9px 12px;
  border-radius: 9px;
  font-size: 12.5px;
  font-weight: 600;
  color: #8b98b0;
}

.mock-nav.active {
  background: rgba(99, 102, 241, 0.18);
  color: #c3caff;
  box-shadow: inset 0 0 0 1px rgba(99, 102, 241, 0.4);
}

.mock-main { flex: 1; padding: 20px; display: flex; flex-direction: column; justify-content: space-between; gap: 16px; }

.mock-preview {
  display: flex;
  gap: 16px;
  align-items: stretch;
}

.mock-img {
  flex: 0 0 110px;
  aspect-ratio: 1;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(140deg, rgba(99, 102, 241, 0.4), rgba(34, 211, 238, 0.25));
  border: 1px solid rgba(99, 102, 241, 0.4);
  color: rgba(255, 255, 255, 0.9);
}

.mock-img svg { width: 38px; height: 38px; }

.mock-lines { flex: 1; display: flex; flex-direction: column; justify-content: center; gap: 9px; }

.mock-line {
  height: 9px;
  border-radius: 5px;
  background: linear-gradient(90deg, rgba(148, 163, 184, 0.3), rgba(148, 163, 184, 0.1));
}

.mock-line.w100 { width: 100%; }
.mock-line.w85 { width: 85%; }
.mock-line.w70 { width: 70%; }

.mock-chip {
  display: inline-block;
  width: fit-content;
  padding: 4px 10px;
  margin-top: 4px;
  border-radius: 7px;
  font-size: 10.5px;
  font-weight: 700;
  color: #c3caff;
  background: rgba(99, 102, 241, 0.2);
  border: 1px solid rgba(99, 102, 241, 0.4);
}

.mock-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.mock-gen {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: #9aa7bd;
}

.mock-gen i {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  animation: pulse 1.4s ease-in-out infinite;
}

@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }

.mock-export {
  padding: 9px 16px;
  border-radius: 9px;
  background: var(--grad);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

/* --- case features --- */
.case-features { margin-bottom: 48px; }

.case-features h4,
.case-steps h4,
.case-stack h4 {
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 24px;
  color: var(--text);
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.case-feature {
  background: rgba(15, 23, 42, 0.03);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 18px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.case-feature:hover { border-color: rgba(79, 70, 229, 0.5); transform: translateY(-3px); }

.case-feature h5 { font-size: 14.5px; font-weight: 700; margin-bottom: 8px; color: var(--text); }

.case-feature p { font-size: 13px; color: var(--muted); line-height: 1.55; }

/* --- case bottom --- */
.case-bottom {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}

.steps { counter-reset: step; display: flex; flex-direction: column; gap: 18px; }

.steps li {
  position: relative;
  padding-left: 52px;
  font-size: 14.5px;
  color: var(--muted);
}

.steps li b { color: var(--text); font-weight: 700; }

.steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0; top: -4px;
  width: 34px; height: 34px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: rgba(79, 70, 229, 0.1);
  border: 1px solid rgba(79, 70, 229, 0.35);
  color: #4338ca;
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
}

.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 20px; }

.chip {
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: #4338ca;
  background: rgba(79, 70, 229, 0.07);
  border: 1px solid rgba(79, 70, 229, 0.25);
}

.stack-note { font-size: 13.5px; color: var(--muted); line-height: 1.6; }

.works-cta {
  margin-top: 32px;
  padding: 36px 40px;
  border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(79, 70, 229, 0.09), rgba(8, 145, 178, 0.06));
  border: 1px solid rgba(79, 70, 229, 0.25);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.works-cta p { font-family: var(--font-head); font-size: 18px; font-weight: 600; color: var(--text); }

/* ---------- About ---------- */
.about { background: var(--bg-soft); }

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

.about-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 26px;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.about-card:hover { transform: translateY(-5px); border-color: rgba(79, 70, 229, 0.45); box-shadow: var(--shadow); }

.about-card h3 {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 10px;
}

.about-card h3::before {
  content: "";
  width: 10px; height: 10px;
  border-radius: 3px;
  background: var(--grad);
  flex-shrink: 0;
}

.about-card p { font-size: 14.5px; color: var(--muted); }

/* ---------- Process ---------- */
.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  counter-reset: proc;
}

.process-step {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 22px 22px;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.process-step:hover { transform: translateY(-5px); border-color: rgba(8, 145, 178, 0.45); box-shadow: var(--shadow); }

.step-num {
  font-family: var(--font-head);
  font-size: 26px;
  font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  display: block;
  margin-bottom: 14px;
}

.process-step h3 { font-size: 15.5px; font-weight: 700; margin-bottom: 8px; color: var(--text); }

.process-step p { font-size: 13.5px; color: var(--muted); }

/* ---------- Contacts ---------- */
.contacts { background: var(--bg); }

.contacts-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  background: linear-gradient(160deg, #ffffff, #f5f8fc);
  border: 1px solid var(--border);
  border-radius: 26px;
  padding: clamp(28px, 4.5vw, 56px);
  box-shadow: var(--shadow);
}

.contacts-info h2 {
  font-family: var(--font-head);
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 700;
  margin: 16px 0 14px;
  line-height: 1.25;
  color: var(--text);
}

.contacts-info > p { color: var(--muted); margin-bottom: 32px; }

.contact-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.contact-label { font-size: 13px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; padding-top: 3px; }

.contact-row a { font-weight: 700; transition: color 0.2s ease; }
.contact-row a:hover { color: #0284c7; }

.contact-value { color: var(--muted); font-size: 14.5px; }

.contact-form {
  background: #f8fafd;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.field { display: flex; flex-direction: column; gap: 8px; }

.field label { font-size: 13.5px; font-weight: 700; color: var(--muted); }

.field input,
.field textarea {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 13px 16px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  resize: vertical;
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: rgba(79, 70, 229, 0.6);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.14);
}

.field input::placeholder,
.field textarea::placeholder { color: rgba(90, 107, 133, 0.55); }

.form-note { font-size: 12px; color: rgba(90, 107, 133, 0.8); text-align: center; }

.form-success {
  text-align: center;
  color: #059669;
  font-weight: 700;
  font-size: 14.5px;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: 12px;
  padding: 14px;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  padding: 64px 0 28px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand p { color: var(--muted); font-size: 14px; margin-top: 16px; max-width: 280px; }

.footer-col { display: flex; flex-direction: column; gap: 10px; }

.footer-col h4 {
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}

.footer-col a, .footer-col p { color: var(--muted); font-size: 14px; transition: color 0.2s ease; }
.footer-col a:hover { color: #0284c7; }

.footer-req p { line-height: 1.7; }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  color: rgba(90, 107, 133, 0.75);
  font-size: 13px;
}

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .orb, .mock-gen i { animation: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .case-top { grid-template-columns: 1fr; }
  .case-mock { transform: none; max-width: 560px; }
  .process-steps { grid-template-columns: repeat(3, 1fr); }
  .process-step:nth-child(4), .process-step:nth-child(5) { grid-column: span 1; }
}

@media (max-width: 860px) {
  .nav {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(320px, 84vw);
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(16px);
    padding: 100px 32px 32px;
    transform: translateX(100%);
    transition: transform 0.35s ease;
    box-shadow: -20px 0 60px rgba(15, 23, 42, 0.12);
  }

  .nav.open { transform: translateX(0); }

  .nav-link { font-size: 17px; padding: 10px 0; }

  .burger { display: flex; }

  .header-actions .btn { display: none; }

  .about-grid { grid-template-columns: repeat(2, 1fr); }
  .contacts-wrap { grid-template-columns: 1fr; gap: 40px; }
  .case-bottom { grid-template-columns: 1fr; gap: 32px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .section { padding: 72px 0; }
  .services-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .case-stats { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .contact-row { grid-template-columns: 1fr; gap: 4px; }
  .mock-side { width: 92px; }
  .mock-preview { flex-direction: column; }
  .mock-img { flex-basis: auto; }
  .mock-footer { flex-direction: column; align-items: stretch; }
  .mock-export { text-align: center; }
}

/* ---------- Form extras ---------- */
.hp {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
}

.form-error {
  text-align: center;
  color: #dc2626;
  font-weight: 700;
  font-size: 14.5px;
  background: rgba(220, 38, 38, 0.06);
  border: 1px solid rgba(220, 38, 38, 0.3);
  border-radius: 12px;
  padding: 14px;
}