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

:root {
  --c-dark:      #0d1b36;
  --c-dark2:     #142040;
  --c-dark3:     #1a2d52;
  --c-accent:    #2563eb;
  --c-accent2:   #1d4ed8;
  --c-sky:       #38bdf8;
  --c-text:      #1e293b;
  --c-muted:     #64748b;
  --c-light:     #f1f5f9;
  --c-white:     #ffffff;
  --c-border:    #e2e8f0;
  --c-success:   #22c55e;

  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 18px;
  --r-xl: 24px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,.1);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.14);
  --shadow-xl: 0 20px 60px rgba(0,0,0,.2);

  --transition: .22s ease;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
}

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

body {
  font-family: var(--font);
  color: var(--c-text);
  background: var(--c-white);
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; transition: color var(--transition); }

img { display: block; max-width: 100%; height: auto; }

ul { list-style: none; }

/* ===== CONTAINER ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--r-md);
  font-family: var(--font);
  font-size: .9375rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.btn--primary {
  background: var(--c-accent);
  color: var(--c-white);
  border-color: var(--c-accent);
}
.btn--primary:hover {
  background: var(--c-accent2);
  border-color: var(--c-accent2);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(37,99,235,.4);
}

.btn--outline {
  background: transparent;
  color: var(--c-white);
  border-color: rgba(255,255,255,.4);
}
.btn--outline:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.7);
}

.btn--full { width: 100%; justify-content: center; }
.btn--lg { padding: 14px 32px; font-size: 1rem; }

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(13, 27, 54, .96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.07);
  transition: box-shadow var(--transition);
}
.header.scrolled {
  box-shadow: 0 4px 24px rgba(0,0,0,.3);
}

.header__inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo__icon { width: 36px; height: 36px; }
.logo__text { display: flex; flex-direction: column; line-height: 1.2; }
.logo__name { color: var(--c-white); font-size: .95rem; font-weight: 700; letter-spacing: -.01em; }
.logo__sub { color: rgba(255,255,255,.45); font-size: .7rem; font-weight: 400; text-transform: uppercase; letter-spacing: .06em; }

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.nav__link {
  color: rgba(255,255,255,.7);
  font-size: .875rem;
  font-weight: 500;
  padding: 6px 10px;
  border-radius: 6px;
  transition: all var(--transition);
}
.nav__link:hover {
  color: var(--c-white);
  background: rgba(255,255,255,.08);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.header__phone {
  display: flex;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,.85);
  font-size: .875rem;
  font-weight: 500;
  transition: color var(--transition);
}
.header__phone:hover { color: var(--c-sky); }
.header__cta { padding: 9px 20px; font-size: .875rem; }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  width: 36px;
}
.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--c-white);
  border-radius: 2px;
  transition: all var(--transition);
}
.burger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.active span:nth-child(2) { opacity: 0; }
.burger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  background: var(--c-dark);
  overflow: hidden;
  display: flex;
  align-items: center;
  padding-top: 70px;
}

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: url('images/hero-bg.webp') center center / cover no-repeat;
}

/* тёмный многослойный оверлей поверх фото для читаемости текста */
.hero__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(9,18,36,.92) 0%, rgba(9,18,36,.75) 55%, rgba(9,18,36,.55) 100%);
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(37,99,235,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 80% at 30% 50%, black 0%, transparent 100%);
}

.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 50%, rgba(37,99,235,.18) 0%, transparent 45%),
    radial-gradient(circle at 70% 15%, rgba(56,189,248,.08) 0%, transparent 35%);
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 440px;
  gap: 60px;
  align-items: center;
  padding: 80px 24px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(56,189,248,.12);
  border: 1px solid rgba(56,189,248,.25);
  color: var(--c-sky);
  font-size: .8125rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
  text-transform: uppercase;
  letter-spacing: .05em;
}

.hero__title {
  font-size: clamp(2.4rem, 5vw, 3.75rem);
  font-weight: 800;
  color: var(--c-white);
  line-height: 1.12;
  letter-spacing: -.03em;
  margin-bottom: 20px;
  text-shadow: 0 2px 24px rgba(0,0,0,.6);
}
.hero__accent {
  background: linear-gradient(135deg, #60a5fa, #38bdf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 18px rgba(56,189,248,.35));
}

.hero__desc {
  font-size: 1.0625rem;
  color: rgba(255,255,255,.88);
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: 36px;
  text-shadow: 0 1px 12px rgba(0,0,0,.5);
}

.hero__stats {
  display: flex;
  gap: 32px;
  margin-bottom: 40px;
}
.hero__stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.hero__stat strong {
  font-size: 2rem;
  font-weight: 800;
  color: var(--c-white);
  line-height: 1;
  text-shadow: 0 2px 12px rgba(0,0,0,.5);
  background: none;
  -webkit-background-clip: unset;
  -webkit-text-fill-color: unset;
  background-clip: unset;
}
.hero__stat span {
  font-size: .8125rem;
  color: rgba(255,255,255,.7);
  font-weight: 500;
}

.hero__cta-group {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* Hero Form */
.hero__form-wrap {
  flex-shrink: 0;
}

.hero__form {
  background: var(--c-white);
  border-radius: var(--r-xl);
  padding: 32px;
  box-shadow: var(--shadow-xl);
}

.hero__form-header {
  margin-bottom: 24px;
}
.hero__form-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--c-dark);
  margin-bottom: 4px;
}
.hero__form-header p {
  font-size: .875rem;
  color: var(--c-muted);
}

/* Form elements */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}
.form-group label {
  font-size: .8125rem;
  font-weight: 600;
  color: var(--c-text);
}
.form-group input,
.form-group select,
.form-group textarea {
  padding: 11px 14px;
  border: 1.5px solid var(--c-border);
  border-radius: var(--r-sm);
  font-family: var(--font);
  font-size: .9375rem;
  color: var(--c-text);
  background: var(--c-white);
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
  outline: none;
  resize: vertical;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}

.form__note {
  font-size: .75rem;
  color: var(--c-muted);
  margin-top: 10px;
  text-align: center;
}
.form__note a { color: var(--c-accent); text-decoration: underline; }

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

.hero__scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
  opacity: .6;
}
@keyframes bounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ===== SECTIONS ===== */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-header--light .section-title,
.section-header--light .section-desc {
  color: var(--c-white);
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(37,99,235,.1);
  color: var(--c-accent);
  font-size: .8125rem;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: .06em;
  border: 1px solid rgba(37,99,235,.2);
}
.section-tag--light {
  background: rgba(56,189,248,.12);
  color: var(--c-sky);
  border-color: rgba(56,189,248,.2);
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--c-dark);
  letter-spacing: -.02em;
  line-height: 1.2;
  margin-bottom: 14px;
}

.section-desc {
  font-size: 1.0625rem;
  color: var(--c-muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ===== SERVICES ===== */
.services { background: var(--c-white); }

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

.service-card {
  background: var(--c-white);
  border: 1.5px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-accent), var(--c-sky));
  opacity: 0;
  transition: opacity var(--transition);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.service-card:hover::before { opacity: 1; }

.service-card--featured {
  grid-column: span 2;
  background: linear-gradient(135deg, var(--c-dark) 0%, var(--c-dark3) 100%);
  border-color: transparent;
  color: var(--c-white);
}
.service-card--featured .service-card__icon { color: var(--c-sky); }
.service-card--featured h3 { color: var(--c-white); }
.service-card--featured p { color: rgba(255,255,255,.7); }
.service-card--featured .service-card__list li { color: rgba(255,255,255,.75); }
.service-card--featured .service-card__link { color: var(--c-sky); }
.service-card--featured .service-card__link:hover { color: #7dd3fc; }
.service-card--featured::before { opacity: 1; }

.service-card__icon {
  width: 48px;
  height: 48px;
  color: var(--c-accent);
  margin-bottom: 16px;
}
.service-card__icon svg { width: 100%; height: 100%; }

.service-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--c-dark);
  margin-bottom: 10px;
}

.service-card p {
  font-size: .9rem;
  color: var(--c-muted);
  line-height: 1.65;
  margin-bottom: 14px;
}

.service-card__list {
  margin-bottom: 18px;
}
.service-card__list li {
  font-size: .875rem;
  color: var(--c-muted);
  padding: 4px 0;
  padding-left: 16px;
  position: relative;
}
.service-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--c-accent);
}

.service-card__link {
  font-size: .875rem;
  font-weight: 600;
  color: var(--c-accent);
  transition: color var(--transition);
}
.service-card__link:hover { color: var(--c-accent2); }

/* ===== PROCESS ===== */
.process { background: var(--c-light); }

.process__steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  overflow-x: auto;
  padding-bottom: 8px;
}

.process__step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  flex: 1;
  min-width: 120px;
  max-width: 160px;
  padding: 0 8px;
}

.process__num {
  font-size: .75rem;
  font-weight: 800;
  color: var(--c-accent);
  letter-spacing: .06em;
  margin-bottom: 8px;
}

.process__icon {
  width: 56px;
  height: 56px;
  background: var(--c-white);
  border: 2px solid var(--c-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  color: var(--c-accent);
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.process__icon svg { width: 26px; height: 26px; }
.process__step:hover .process__icon {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: white;
  box-shadow: 0 4px 16px rgba(37,99,235,.3);
}

.process__step h4 {
  font-size: .9375rem;
  font-weight: 700;
  color: var(--c-dark);
  margin-bottom: 6px;
}

.process__step p {
  font-size: .8125rem;
  color: var(--c-muted);
  line-height: 1.6;
}

.process__arrow {
  font-size: 1.5rem;
  color: var(--c-border);
  flex-shrink: 0;
  padding-top: 20px;
  align-self: flex-start;
  padding-top: 28px;
}

/* ===== CLIENTS ===== */
.clients { background: var(--c-white); }

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

.client-card {
  background: var(--c-light);
  border-radius: var(--r-lg);
  padding: 28px 22px;
  text-align: center;
  transition: all var(--transition);
  border: 1.5px solid transparent;
}
.client-card:hover {
  background: var(--c-white);
  border-color: var(--c-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.client-card__icon {
  width: 56px;
  height: 56px;
  color: var(--c-accent);
  margin: 0 auto 16px;
}
.client-card__icon svg { width: 100%; height: 100%; }

.client-card h4 {
  font-size: .95rem;
  font-weight: 700;
  color: var(--c-dark);
  margin-bottom: 8px;
  line-height: 1.3;
}
.client-card p {
  font-size: .8125rem;
  color: var(--c-muted);
  line-height: 1.6;
}

/* ===== ADVANTAGES ===== */
.advantages {
  background: var(--c-dark);
  position: relative;
  overflow: hidden;
}
.advantages::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 0% 50%, rgba(37,99,235,.15), transparent 50%),
    radial-gradient(circle at 100% 50%, rgba(56,189,248,.08), transparent 50%);
}

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

.adv-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--r-lg);
  padding: 28px 22px;
  transition: all var(--transition);
}
.adv-card:hover {
  background: rgba(255,255,255,.09);
  border-color: rgba(37,99,235,.4);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0,0,0,.3);
}

.adv-card__icon {
  width: 44px;
  height: 44px;
  color: var(--c-sky);
  margin-bottom: 16px;
}
.adv-card__icon svg { width: 100%; height: 100%; }

.adv-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-white);
  margin-bottom: 10px;
}
.adv-card p {
  font-size: .875rem;
  color: rgba(255,255,255,.6);
  line-height: 1.65;
}

/* ===== PORTFOLIO ===== */
.portfolio { background: var(--c-light); }

.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.portfolio__item {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: var(--r-md);
  cursor: pointer;
  background: var(--c-dark3);
}
.portfolio__item:nth-child(1) { grid-column: span 2; grid-row: span 2; aspect-ratio: auto; }
.portfolio__item:nth-child(7) { grid-column: span 2; }

.portfolio__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.portfolio__item:hover img { transform: scale(1.06); }

.portfolio__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13,27,54,.92) 0%, rgba(13,27,54,.3) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding: 16px;
  opacity: 0;
  transition: opacity var(--transition);
}
.portfolio__item:hover .portfolio__overlay { opacity: 1; }

.portfolio__overlay-icon {
  background: rgba(37,99,235,.8);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
}
.portfolio__overlay-icon svg { width: 20px; height: 20px; }

.portfolio__overlay p {
  color: var(--c-white);
  font-size: .8125rem;
  font-weight: 500;
  text-align: center;
  line-height: 1.4;
}

/* ===== LIGHTBOX ===== */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.94);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
}
.lightbox.active {
  opacity: 1;
  pointer-events: all;
}

.lightbox__inner {
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.lightbox__inner img {
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--r-md);
  box-shadow: var(--shadow-xl);
}

.lightbox__caption {
  color: rgba(255,255,255,.75);
  font-size: .9rem;
  text-align: center;
  max-width: 600px;
}

.lightbox__close,
.lightbox__prev,
.lightbox__next {
  position: fixed;
  background: rgba(255,255,255,.15);
  border: none;
  color: white;
  cursor: pointer;
  border-radius: 50%;
  width: 44px;
  height: 44px;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}
.lightbox__close { top: 20px; right: 20px; font-size: 1rem; }
.lightbox__prev { left: 20px; top: 50%; transform: translateY(-50%); }
.lightbox__next { right: 20px; top: 50%; transform: translateY(-50%); }
.lightbox__close:hover,
.lightbox__prev:hover,
.lightbox__next:hover { background: rgba(37,99,235,.7); }

/* ===== BRANDS ===== */
.brands { background: var(--c-white); }

.brands__group { margin-bottom: 40px; }
.brands__group:last-child { margin-bottom: 0; }

.brands__group-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-muted);
  margin-bottom: 20px;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-size: .8125rem;
}

.brands__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.brand-item {
  padding: 10px 22px;
  border: 1.5px solid var(--c-border);
  border-radius: 8px;
  font-size: .8125rem;
  font-weight: 700;
  color: var(--c-muted);
  letter-spacing: .04em;
  transition: all var(--transition);
}
.brand-item:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
  background: rgba(37,99,235,.04);
}

/* ===== CONTACT ===== */
.contact { background: var(--c-dark); position: relative; overflow: hidden; }
.contact::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 50%, rgba(37,99,235,.12), transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(56,189,248,.06), transparent 40%);
}

.contact__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact__info .section-title { color: var(--c-white); text-align: left; }
.contact__desc {
  color: rgba(255,255,255,.6);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 36px;
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 28px;
}

.contact__detail {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.contact__detail-icon {
  width: 36px;
  height: 36px;
  background: rgba(37,99,235,.2);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-sky);
  flex-shrink: 0;
}
.contact__detail-icon svg { width: 18px; height: 18px; }
.contact__detail strong {
  display: block;
  font-size: .8125rem;
  color: rgba(255,255,255,.5);
  font-weight: 600;
  margin-bottom: 2px;
}
.contact__detail a,
.contact__detail span {
  color: rgba(255,255,255,.85);
  font-size: .9375rem;
  font-weight: 500;
}
.contact__detail a:hover { color: var(--c-sky); }

.contact__note {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .875rem;
  color: rgba(255,255,255,.5);
  padding: 12px 16px;
  background: rgba(56,189,248,.07);
  border: 1px solid rgba(56,189,248,.15);
  border-radius: var(--r-sm);
}
.contact__note svg { flex-shrink: 0; width: 18px; height: 18px; }

.contact__form {
  background: var(--c-white);
  border-radius: var(--r-xl);
  padding: 36px;
  box-shadow: var(--shadow-xl);
}

/* ===== FOOTER ===== */
.footer {
  background: #060e1e;
  padding: 64px 0 0;
}

.footer__inner {
  display: grid;
  grid-template-columns: 280px 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.07);
}

.footer__col h5 {
  font-size: .875rem;
  font-weight: 700;
  color: var(--c-white);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.footer__col ul li { margin-bottom: 8px; }
.footer__col ul li a {
  font-size: .875rem;
  color: rgba(255,255,255,.5);
  transition: color var(--transition);
}
.footer__col ul li a:hover { color: var(--c-sky); }

.footer__brand-desc {
  font-size: .875rem;
  color: rgba(255,255,255,.45);
  line-height: 1.7;
  margin-top: 14px;
}

.footer__contacts li { color: rgba(255,255,255,.5); font-size: .875rem; }

.footer__bottom {
  padding: 20px 0;
}
.footer__bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.footer__bottom p,
.footer__bottom a {
  font-size: .8125rem;
  color: rgba(255,255,255,.3);
}
.footer__bottom a:hover { color: rgba(255,255,255,.6); }

/* ===== MODAL ===== */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.7);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
}
.modal.active {
  opacity: 1;
  pointer-events: all;
}

.modal__inner {
  background: var(--c-white);
  border-radius: var(--r-xl);
  padding: 48px 40px;
  text-align: center;
  max-width: 420px;
  width: 90%;
  box-shadow: var(--shadow-xl);
}
.modal__icon { margin-bottom: 20px; }
.modal__icon svg { width: 64px; height: 64px; margin: 0 auto; }
.modal__inner h3 { font-size: 1.5rem; font-weight: 800; color: var(--c-dark); margin-bottom: 10px; }
.modal__inner p { color: var(--c-muted); font-size: 1rem; line-height: 1.6; margin-bottom: 24px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1100px) {
  .advantages__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 960px) {
  .hero__inner { grid-template-columns: 1fr; gap: 48px; padding: 60px 24px; }
  .hero__form-wrap { max-width: 520px; width: 100%; }
  .services__grid { grid-template-columns: 1fr 1fr; }
  .service-card--featured { grid-column: span 2; }
  .clients__grid { grid-template-columns: repeat(2, 1fr); }
  .contact__inner { grid-template-columns: 1fr; }
  .portfolio__grid { grid-template-columns: repeat(3, 1fr); }
  .portfolio__item:nth-child(1) { grid-column: span 2; }
  .process__arrow { display: none; }
  .process__steps { flex-wrap: wrap; justify-content: center; gap: 20px; }
  .process__step { min-width: 130px; max-width: 150px; }
}

@media (max-width: 768px) {
  .header__phone { display: none; }
  .header__cta { display: none; }
  .burger { display: flex; }

  .nav {
    position: fixed;
    top: 70px; left: 0; right: 0;
    background: var(--c-dark);
    flex-direction: column;
    padding: 24px;
    gap: 8px;
    transform: translateY(-110%);
    opacity: 0;
    transition: all .3s ease;
    border-top: 1px solid rgba(255,255,255,.08);
    box-shadow: 0 16px 40px rgba(0,0,0,.4);
  }
  .nav.open {
    transform: translateY(0);
    opacity: 1;
  }
  .nav__link {
    font-size: 1rem;
    padding: 12px 16px;
    width: 100%;
    border-radius: 8px;
  }

  .section { padding: 72px 0; }
  .section-header { margin-bottom: 40px; }

  .services__grid { grid-template-columns: 1fr; }
  .service-card--featured { grid-column: span 1; }
  .clients__grid { grid-template-columns: 1fr 1fr; }
  .advantages__grid { grid-template-columns: 1fr 1fr; }
  .portfolio__grid { grid-template-columns: 1fr 1fr; }
  .portfolio__item:nth-child(1) { grid-column: span 2; aspect-ratio: 16/9; }
  .portfolio__item:nth-child(7) { grid-column: span 2; }
  .form-row { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .hero__stats { gap: 20px; }
  .hero__cta-group { flex-direction: column; }
  .hero__cta-group .btn { width: 100%; justify-content: center; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .hero__inner { padding: 48px 16px; }
  .hero__title { font-size: 2.2rem; }
  .hero__stats { flex-wrap: wrap; gap: 16px; }
  .clients__grid { grid-template-columns: 1fr; }
  .advantages__grid { grid-template-columns: 1fr; }
  .portfolio__grid { grid-template-columns: 1fr 1fr; }
  .footer__inner { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom-inner { flex-direction: column; text-align: center; }
  .brands__list { gap: 8px; }
  .brand-item { padding: 8px 14px; font-size: .75rem; }
  .hero__form { padding: 24px 20px; }
  .contact__form { padding: 24px 20px; }
}