/* =============================================
   BYPORT.RU — Main Stylesheet
   Color scheme: Teal / Emerald
   ============================================= */

:root {
  --primary: #0d9488;
  --primary-dark: #0f766e;
  --primary-light: #14b8a6;
  --primary-bg: #f0fdfa;
  --accent: #10b981;
  --dark: #0f172a;
  --dark-2: #1e293b;
  --gray: #64748b;
  --gray-light: #94a3b8;
  --gray-bg: #f8fafc;
  --border: #e2e8f0;
  --white: #ffffff;
  --shadow: 0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -2px rgba(0,0,0,.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -4px rgba(0,0,0,.05);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,.08), 0 8px 10px -6px rgba(0,0,0,.04);
  --radius: 16px;
  --radius-sm: 10px;
  --transition: .3s cubic-bezier(.4,0,.2,1);
}

/* RESET */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.no-scroll { overflow: hidden; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
input, button { font-family: inherit; border: none; outline: none; }

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  margin-bottom: 48px;
  letter-spacing: -0.02em;
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 36px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.btn--primary {
  background: var(--primary);
  color: var(--white);
}
.btn--primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(13, 148, 136, .35);
}
.btn--outline {
  background: transparent;
  color: var(--dark);
  border: 1.5px solid var(--border);
  width: 100%;
}
.btn--outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-bg);
}

/* ===================== HEADER ===================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}
.header--scrolled {
  border-bottom-color: var(--border);
  box-shadow: var(--shadow);
}
.header__inner {
  display: flex;
  align-items: center;
  height: 72px;
  gap: 32px;
}
.header__logo {
  font-size: 24px;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--dark);
}
.header__logo span {
  color: var(--primary);
}
.header__nav {
  display: flex;
  gap: 28px;
  margin-left: 32px;
}
.header__nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray);
}
.header__nav a:hover { color: var(--dark); }
.header__right {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-left: auto;
}
.header__phone {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--dark);
}
.header__phone svg { color: var(--primary); }
.header__cta {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}
.header__cta:hover { color: var(--primary-dark); }
.header__cta span { font-size: 16px; }

.header__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  cursor: pointer;
  padding: 4px;
}
.header__burger span {
  width: 24px;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: var(--transition);
}
.header__burger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.header__burger.active span:nth-child(2) { opacity: 0; }
.header__burger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 72px;
  left: 0;
  width: 100%;
  height: calc(100vh - 72px);
  background: var(--white);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  transform: translateX(100%);
  transition: var(--transition);
  z-index: 999;
}
.mobile-menu.active { transform: translateX(0); }
.mobile-menu__nav {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.mobile-menu__nav a {
  font-size: 20px;
  font-weight: 600;
}
.mobile-menu__phone {
  font-size: 18px;
  font-weight: 600;
  color: var(--primary);
}

/* ===================== HERO ===================== */
.hero {
  padding-top: 120px;
  padding-bottom: 80px;
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
  background: url('img/hero-bg.jpg') center/cover no-repeat;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,.82) 0%, rgba(240,253,250,.7) 50%, rgba(255,255,255,.8) 100%);
  z-index: 0;
}
.hero > .container {
  position: relative;
  z-index: 1;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero__title {
  font-size: clamp(2.5rem, 5.5vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  color: var(--dark);
}
.hero__text {
  font-size: 16px;
  color: var(--gray);
  max-width: 500px;
  line-height: 1.7;
  margin-bottom: 40px;
}
.hero__stats {
  display: flex;
  gap: 40px;
  margin-bottom: 48px;
}
.hero__stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.02em;
}
.hero__stat-label {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.4;
}
.hero__buttons {
  display: flex;
  gap: 16px;
  align-items: center;
}
.hero__buttons .btn--outline {
  width: auto;
  border-color: var(--primary);
  color: var(--primary);
}
.hero__buttons .btn--outline:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}
/* Hero Slider */
.hero__slider {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.hero__slider-screens {
  position: relative;
  display: flex;
  align-items: flex-end;
  gap: 0;
}
.hero__slider-device {
  background: #1e293b;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0,0,0,.15), 0 8px 20px rgba(13,148,136,.1);
  width: 100%;
  max-width: 440px;
}
.hero__slider-topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: #1e293b;
}
.hero__slider-dots {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}
.hero__slider-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.hero__slider-dots span:first-child { background: #ef4444; }
.hero__slider-dots span:nth-child(2) { background: #eab308; }
.hero__slider-dots span:nth-child(3) { background: #22c55e; }
.hero__slider-url {
  display: flex;
  align-items: center;
  gap: 6px;
  background: #334155;
  border-radius: 6px;
  padding: 5px 12px;
  flex: 1;
  color: #94a3b8;
  font-size: 12px;
}
.hero__slider-url-text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.hero__slider-viewport {
  overflow: hidden;
  background: #fff;
}
.hero__slider-track {
  display: flex;
  transition: transform .5s cubic-bezier(.4,0,.2,1);
}
.hero__slider-slide {
  min-width: 100%;
  aspect-ratio: 16/10;
  overflow: hidden;
}
.hero__slider-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}
/* Phone mockup */
.hero__slider-phone {
  position: relative;
  z-index: 3;
  background: #1e293b;
  border-radius: 24px;
  padding: 10px 6px 14px;
  width: 120px;
  flex-shrink: 0;
  margin-left: -30px;
  margin-bottom: -10px;
  box-shadow: 0 20px 50px rgba(0,0,0,.18), 0 8px 16px rgba(13,148,136,.1);
}
.hero__slider-phone-notch {
  width: 40px;
  height: 4px;
  background: #334155;
  border-radius: 4px;
  margin: 0 auto 6px;
}
.hero__slider-phone-screen {
  background: #fff;
  border-radius: 0;
  overflow: hidden;
}
.hero__slider-phone-track {
  display: flex;
  transition: transform .5s cubic-bezier(.4,0,.2,1);
}
.hero__slider-phone-slide {
  min-width: 100%;
  height: 100%;
}
.hero__slider-phone-slide img {
  width: 100%;
  height: auto;
  display: block;
}
.hero__slider-phone-bar {
  width: 36px;
  height: 4px;
  background: #475569;
  border-radius: 4px;
  margin: 8px auto 0;
}
.hero__slider-nav {
  display: flex;
  align-items: center;
  gap: 16px;
}
.hero__slider-prev,
.hero__slider-next {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--white);
  border: 1.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--dark);
  transition: var(--transition);
}
.hero__slider-prev:hover,
.hero__slider-next:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
  transform: scale(1.08);
}
.hero__slider-dots-nav {
  display: flex;
  gap: 8px;
}
.hero__slider-dots-nav span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gray-light);
  cursor: pointer;
  transition: var(--transition);
}
.hero__slider-dots-nav span.active {
  background: var(--primary);
  transform: scale(1.2);
}

/* ===================== PRICING ===================== */
.pricing {
  padding: 100px 0;
}
.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.pricing__card, .extra-services__card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  opacity: 0;
  transform: translateY(30px);
}
.pricing__card.animate-in, .extra-services__card.animate-in {
  opacity: 1;
  transform: translateY(0);
}
.pricing__card:hover, .extra-services__card:hover {
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-light);
  transform: translateY(-4px);
}
.pricing__card.animate-in:hover, .extra-services__card.animate-in:hover {
  transform: translateY(-4px);
}
.pricing__card--accent {
  background: linear-gradient(135deg, var(--primary-bg), var(--white));
  border-color: var(--primary-light);
}
.pricing__term {
  font-size: 13px;
  color: var(--gray-light);
  margin-bottom: 12px;
}
.pricing__name {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.pricing__desc {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.7;
  margin-bottom: 24px;
}
.pricing__features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
  flex-grow: 1;
}
.pricing__features li {
  font-size: 14px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.pricing__features li::before {
  content: '';
  width: 18px;
  height: 18px;
  min-width: 18px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%230d9488'%3E%3Cpath d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z'/%3E%3C/svg%3E") no-repeat center;
  margin-top: 2px;
}
.pricing__bottom {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.pricing__price {
  font-size: 14px;
  color: var(--gray);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.pricing__price strong {
  font-size: 1.25rem;
  color: var(--dark);
}

/* ===================== EXTRA SERVICES ===================== */
.extra-services {
  padding: 0 0 100px;
}
.extra-services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ===================== WHY CHOOSE US ===================== */
.why {
  padding: 100px 0;
  background: var(--gray-bg);
}
.why__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.why__text p {
  font-size: 15px;
  color: var(--gray);
  line-height: 1.8;
  margin-bottom: 16px;
}
.why__cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.why__card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: var(--transition);
  opacity: 0;
  transform: translateX(30px);
}
.why__card.animate-in {
  opacity: 1;
  transform: translateX(0);
}
.why__card:hover {
  box-shadow: var(--shadow-lg);
}
.why__card-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 4px;
}
.why__card h3 {
  font-size: 1.1rem;
  font-weight: 700;
}
.why__card p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.6;
}

/* ===================== STAGES ===================== */
.stages {
  padding: 100px 0;
}
.stages__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.stages__item {
  background: var(--gray-bg);
  border-radius: var(--radius);
  padding: 32px;
  transition: var(--transition);
  opacity: 0;
  transform: translateY(30px);
}
.stages__item.animate-in {
  opacity: 1;
  transform: translateY(0);
}
.stages__item:hover {
  background: var(--primary-bg);
}
.stages__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--primary);
  color: var(--white);
  font-weight: 700;
  font-size: 18px;
  margin-bottom: 20px;
}
.stages__item h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.stages__item p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.7;
}

/* ===================== PORTFOLIO ===================== */
.portfolio {
  padding: 100px 0;
  background: var(--gray-bg);
}
.portfolio .section-title {
  margin-bottom: 32px;
}
.portfolio__filters {
  display: flex;
  gap: 12px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.portfolio__filter {
  padding: 10px 24px;
  border: 2px solid #e2e8f0;
  border-radius: 50px;
  background: var(--white);
  font-size: 14px;
  font-weight: 600;
  color: var(--gray);
  cursor: pointer;
  transition: var(--transition);
}
.portfolio__filter:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.portfolio__filter.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}
.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.portfolio__card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,.06);
  transition: transform .3s ease, box-shadow .3s ease, opacity .4s ease;
  opacity: 0;
  transform: translateY(30px);
}
.portfolio__card.animate-in {
  opacity: 1;
  transform: translateY(0);
}
.portfolio__card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 40px rgba(0,0,0,.12);
}
.portfolio__card.animate-in:hover {
  transform: translateY(-8px);
}
.portfolio__card--hidden {
  display: none;
}
.portfolio__preview {
  overflow: hidden;
}
.portfolio__browser {
  background: #1e293b;
  border-radius: 0;
}
.portfolio__browser-bar {
  display: flex;
  gap: 6px;
  padding: 10px 14px;
}
.portfolio__browser-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.portfolio__browser-bar span:nth-child(1) { background: #ef4444; }
.portfolio__browser-bar span:nth-child(2) { background: #eab308; }
.portfolio__browser-bar span:nth-child(3) { background: #22c55e; }
.portfolio__browser-screen {
  overflow: hidden;
}
.portfolio__browser-screen img {
  width: 100%;
  display: block;
  transition: transform .4s ease;
}
.portfolio__card:hover .portfolio__browser-screen img {
  transform: scale(1.03);
}
.portfolio__info {
  padding: 24px;
}
.portfolio__type {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 8px;
}
.portfolio__name {
  font-size: 20px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 8px;
}
.portfolio__desc {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.5;
  margin-bottom: 16px;
}
.portfolio__tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.portfolio__tags span {
  padding: 4px 12px;
  background: var(--gray-bg);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  color: var(--gray);
}
.portfolio__link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  transition: var(--transition);
}
.portfolio__link:hover {
  color: var(--primary-dark);
}

/* ===================== CONTACT ===================== */
.contact {
  padding: 100px 0;
}
.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  background: var(--gray-bg);
  border-radius: 24px;
  padding: 60px;
  overflow: hidden;
}
.contact__subtitle {
  font-size: 15px;
  color: var(--gray);
  margin-bottom: 36px;
}
.contact__form {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.contact__form input {
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
  background: transparent;
  transition: var(--transition);
}
.contact__form input::placeholder {
  color: var(--gray-light);
}
.contact__form input:focus {
  border-bottom-color: var(--primary);
}
.contact__form .btn {
  margin-top: 32px;
  align-self: flex-start;
}
.contact__illustration {
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact__blob {
  width: 100%;
  max-width: 400px;
}
.contact__blob svg {
  width: 100%;
  height: auto;
}

/* ===================== FOOTER ===================== */
.footer {
  background: var(--dark);
  color: var(--white);
  padding: 60px 0 30px;
}
.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer__logo {
  font-size: 24px;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--white);
  display: inline-block;
  margin-bottom: 12px;
}
.footer__logo span { color: var(--primary-light); }
.footer__legal {
  font-size: 13px;
  color: var(--gray-light);
  line-height: 1.7;
}
.footer__links, .footer__contacts, .footer__address {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer__links h4, .footer__contacts h4, .footer__address h4 {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 4px;
}
.footer__links a, .footer__contacts a {
  font-size: 14px;
  color: var(--gray-light);
}
.footer__links a:hover, .footer__contacts a:hover {
  color: var(--primary-light);
}
.footer__address p {
  font-size: 14px;
  color: var(--gray-light);
  line-height: 1.7;
}
.footer__bottom {
  padding-top: 24px;
  text-align: center;
}
.footer__bottom p {
  font-size: 13px;
  color: var(--gray-light);
}

/* ===================== ANIMATIONS ===================== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.pricing__card, .extra-services__card, .stages__item, .portfolio__card {
  transition: opacity .6s ease, transform .6s ease, box-shadow var(--transition), border-color var(--transition);
}
.why__card {
  transition: opacity .6s ease, transform .6s ease, box-shadow var(--transition);
}

/* Staggered animation delays */
.pricing__card:nth-child(1), .extra-services__card:nth-child(1), .stages__item:nth-child(1), .portfolio__card:nth-child(1), .why__card:nth-child(1) { transition-delay: 0s; }
.pricing__card:nth-child(2), .extra-services__card:nth-child(2), .stages__item:nth-child(2), .portfolio__card:nth-child(2), .why__card:nth-child(2) { transition-delay: .1s; }
.pricing__card:nth-child(3), .extra-services__card:nth-child(3), .stages__item:nth-child(3), .portfolio__card:nth-child(3), .why__card:nth-child(3) { transition-delay: .2s; }
.portfolio__card:nth-child(4) { transition-delay: .3s; }
.portfolio__card:nth-child(5) { transition-delay: .4s; }
.portfolio__card:nth-child(6) { transition-delay: .5s; }
.pricing__card:nth-child(4), .stages__item:nth-child(4) { transition-delay: .3s; }
.pricing__card:nth-child(5), .stages__item:nth-child(5) { transition-delay: .4s; }
.pricing__card:nth-child(6), .stages__item:nth-child(6) { transition-delay: .5s; }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero__devices {
    min-height: 340px;
  }
  .device-laptop__top { width: 320px; }
  .pricing__grid, .extra-services__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .portfolio__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .why__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .footer__inner {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact__inner {
    grid-template-columns: 1fr;
    padding: 40px;
  }
  .contact__illustration { display: none; }
}

@media (max-width: 768px) {
  .header__nav, .header__right { display: none; }
  .header__burger { display: flex; }
  .header__inner { justify-content: space-between; }

  .hero { padding-top: 100px; padding-bottom: 48px; min-height: auto; }
  .hero__inner { gap: 32px; }
  .hero__title { font-size: 2.2rem; }
  .hero__stats { gap: 24px; }
  .hero__stat-number { font-size: 1.75rem; }

  /* Slider — mobile */
  .hero__slider-screens { position: relative; }
  .hero__slider-device { max-width: 95%; }
  .hero__slider-phone {
    position: absolute;
    right: 0;
    bottom: -30px;
    width: 100px;
    border-radius: 20px;
    padding: 8px 5px 12px;
  }
  .hero__slider-phone-notch { width: 34px; height: 3px; margin-bottom: 5px; }
  .hero__slider-phone-screen { border-radius: 0; }
  .hero__slider-phone-bar { width: 30px; height: 3px; margin-top: 6px; }
  .hero__slider-prev,
  .hero__slider-next { width: 34px; height: 34px; }
  .hero__slider-dots-nav span { width: 8px; height: 8px; }

  .pricing, .extra-services, .why, .stages, .portfolio, .contact {
    padding: 60px 0;
  }
  .pricing__grid, .extra-services__grid, .stages__grid {
    grid-template-columns: 1fr;
  }
  .portfolio__grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .portfolio__filters {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 8px;
  }
  .portfolio__filter {
    white-space: nowrap;
    flex-shrink: 0;
  }
  .footer__inner { grid-template-columns: 1fr; gap: 30px; }
  .contact__inner { padding: 28px; }
  .section-title { margin-bottom: 32px; }
}

@media (max-width: 480px) {
  .hero__title { font-size: 1.75rem; }
  .hero__slider-phone {
    width: 85px;
    right: 0;
    bottom: -24px;
  }
  .hero__slider-phone-notch { width: 28px; height: 2px; }
  .hero__slider-phone-screen { border-radius: 0; }
  .hero__slider-phone-bar { width: 26px; height: 2px; margin-top: 5px; }
  .hero__slider-dots-nav { gap: 6px; }
  .hero__buttons { flex-direction: column; }
  .hero__buttons .btn { width: 100%; text-align: center; }
  .hero__stats { flex-wrap: wrap; gap: 16px; }
}

/* ===== POPUP ===== */
.popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, .5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s ease, visibility .3s ease;
  padding: 20px;
}
.popup-overlay.active {
  opacity: 1;
  visibility: visible;
}
.popup {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-xl);
  max-width: 400px;
  width: 100%;
  padding: 48px 36px 36px;
  text-align: center;
  transform: scale(.85) translateY(20px);
  transition: transform .35s cubic-bezier(.34, 1.56, .64, 1);
}
.popup-overlay.active .popup {
  transform: scale(1) translateY(0);
}
.popup__icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}
.popup__icon--success {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  box-shadow: 0 8px 24px rgba(13, 148, 136, .3);
}
.popup__icon--error {
  background: linear-gradient(135deg, #dc2626, #ef4444);
  box-shadow: 0 8px 24px rgba(239, 68, 68, .3);
}
.popup__title {
  font-size: 22px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}
.popup__text {
  font-size: 15px;
  color: var(--gray);
  line-height: 1.5;
  margin-bottom: 28px;
}
.popup__btn {
  display: inline-block;
  padding: 12px 48px;
  border: none;
  border-radius: 50px;
  background: var(--primary);
  color: var(--white);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.popup__btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(13, 148, 136, .3);
}
@media (max-width: 480px) {
  .popup { padding: 36px 24px 28px; }
  .popup__icon { width: 60px; height: 60px; }
  .popup__icon svg { width: 28px; height: 28px; }
  .popup__title { font-size: 20px; }
  .popup__text { font-size: 14px; }
}