/* ======================== */
/* 🧭 RESET + GLOBAL STYLES */
/* ======================== */

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

:root {
  /* 🌞 Светлая тема */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --text-primary: #1a1d21;
  --text-secondary: #5a6268;
  --accent: #0d6efd;          /* синий — технологии, доверие */
  --accent-secondary: #20c997; /* бирюзовый — точность, эффективность */
  --accent-hover: #0b5ed7;
  --shadow: rgba(0, 0, 0, 0.06);
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(0, 0, 0, 0.08);
  --border-radius: 16px;

  /* 🌙 Тёмная тема */
  --bg-primary-dark: #121212;
  --bg-secondary-dark: #1e1e1e;
  --text-primary-dark: #e9ecef;
  --text-secondary-dark: #adb5bd;
  --accent-dark: #4dabf7;
  --accent-secondary-dark: #51cf66;
  --accent-hover-dark: #3d9ee7;
  --shadow-dark: rgba(0, 0, 0, 0.3);
  --glass-bg-dark: rgba(30, 30, 30, 0.85);
  --glass-border-dark: rgba(255, 255, 255, 0.08);
}

/* 🌗 Автоматическое переключение темы по системной настройке */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: var(--bg-primary-dark);
    --bg-secondary: var(--bg-secondary-dark);
    --text-primary: var(--text-primary-dark);
    --text-secondary: var(--text-secondary-dark);
    --accent: var(--accent-dark);
    --accent-secondary: var(--accent-secondary-dark);
    --accent-hover: var(--accent-hover-dark);
    --shadow: var(--shadow-dark);
    --glass-bg: var(--glass-bg-dark);
    --glass-border: var(--glass-border-dark);
  }
}

body {
  font-family: 'Manrope', sans-serif;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow-x: hidden;
  transition: background 0.4s ease;
}

.span{
  color:var(--accent-secondary);
}

.container {
  width: 90%;
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 20px;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.3s ease, transform 0.2s ease;
}

a:not(.btn):hover {
  color: var(--accent);
  transform: translateX(4px);
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: 12px;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

img:hover {
  transform: scale(1.03);
}

/* ======================== */
/* 🎯 BUTTONS — Технологичные, строгие */
/* ======================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: white;
  padding: 14px 36px;
  border-radius: 50px;
  font-weight: 700;
  font-family: 'Manrope', sans-serif;
  font-size: 1.1rem;
  letter-spacing: 0.5px;
  transition: all 0.35s ease;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  box-shadow: 0 6px 20px rgba(13, 110, 253, 0.3);
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: 0.5s;
}

.btn:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 10px 30px rgba(13, 110, 253, 0.5);
}

.btn:hover::before {
  left: 100%;
}

.btn:active {
  transform: translateY(-2px);
}

/* ======================== */
/* 🧭 HEADER — Glassmorphism + Sticky */
/* ======================== */

.header {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: 15px 0;
  transition: all 0.3s ease;
}

.header.scrolled {
  padding: 10px 0;
  background: rgba(255,255,255,0.95) !important;
  box-shadow: 0 5px 25px var(--shadow);
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: 'Manrope', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.5px;
}

.nav-list {
  display: flex;
  gap: 30px;
}

.nav-list a {
  font-weight: 600;
  font-size: 1.05rem;
  position: relative;
}

.nav-list a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}

.nav-list a:hover::after {
  width: 100%;
}

.burger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  z-index: 1001;
}

.burger span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  margin: 3px 0;
  transition: 0.3s;
  border-radius: 2px;
}

/* ======================== */
/* 🖼 HERO — Fullscreen + Gradient Overlay + Typo Animation */
/* ======================== */

.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--text-primary);
  padding-top: 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(13, 110, 253, 0.8), rgba(32, 201, 151, 0.6)),
              url('img/promo_fetr2222.jpg') center/cover no-repeat;
  z-index: -1;
}

.hero-content {
  max-width: 900px;
  padding: 0 20px;
}

.hero-content h1 {
  font-family: 'Manrope', sans-serif;
  font-size: clamp(2.5rem, 8vw, 5.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
  color: white;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
  animation: fadeInUp 1s ease forwards;
}

.hero-content p {
  font-size: clamp(1rem, 3vw, 1.3rem);
  max-width: 700px;
  margin: 0 auto 40px;
  color: rgba(255,255,255,0.95);
  opacity: 0;
  animation: fadeInUp 1s ease 0.3s forwards;
}

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

/* ======================== */
/* 🧩 SERVICES — Glass Cards + Hover Scale + Asymmetry */
/* ======================== */

.services {
  padding: 120px 0 80px;
  background: var(--bg-primary);
  position: relative;
}

.services::before {
  content: '';
  position: absolute;
  top: -50px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
  opacity: 0.03;
  z-index: 0;
  border-radius: 50%;
}

.services h2 {
  text-align: center;
  font-family: 'Manrope', sans-serif;
  font-size: clamp(2rem, 6vw, 3.5rem);
  margin-bottom: 70px;
  color: var(--accent);
  font-weight: 800;
  position: relative;
  z-index: 1;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 40px;
  position: relative;
  z-index: 1;
}

.service-card {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: 0 8px 30px var(--shadow);
  transform: translateY(0);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-15px) scale(1.1, 1.1);
  box-shadow: 0 20px 40px rgba(0,0,0,0.12);
}

.service-card img {
  height: 220px;
  width: 100%;
  object-fit: cover;
  border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.service-card h3, .service-card p{
  padding: 0 21px 0 21px;
}

.service-card-content {
  padding: 30px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.service-card h3 {
  font-family: 'Manrope', sans-serif;
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--accent);
  font-weight: 700;
}

.service-card p {
  margin-bottom: 20px;
  color: var(--text-secondary);
  flex-grow: 1;
}

/* ======================== */
/* 🖼 PORTFOLIO — Scale Hover + Slide Overlay */
/* ======================== */

.portfolio {
  padding: 100px 0;
  background: var(--bg-secondary);
  position: relative;
}

.portfolio::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: 10%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, var(--accent-secondary) 0%, transparent 70%);
  opacity: 0.03;
  z-index: 0;
  border-radius: 50%;
}

.portfolio h2 {
  text-align: center;
  font-family: 'Manrope', sans-serif;
  font-size: clamp(2rem, 6vw, 3.5rem);
  margin-bottom: 70px;
  color: var(--accent);
  font-weight: 800;
  position: relative;
  z-index: 1;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  position: relative;
  z-index: 1;
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: 20px;
  height: 350px;
  box-shadow: 0 5px 20px var(--shadow);
  transition: transform 0.4s ease;
}

.portfolio-item:hover {
  transform: scale(1.03);
  z-index: 2;
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.portfolio-item:hover img {
  transform: scale(1.12);
}

.overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
  color: white;
  padding: 30px 20px;
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.4s ease;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  height: 100%;
}

.overlay h3 {
  font-family: 'Manrope', sans-serif;
  font-size: 1.4rem;
  margin-bottom: 8px;
  font-weight: 700;
}

.portfolio-item:hover .overlay {
  transform: translateY(0);
  opacity: 1;
}

/* ======================== */
/* 💡 WHY US — Floating Cards + Icon Animation */
/* ======================== */

.why-us {
  padding: 120px 0 100px;
  background: var(--bg-primary);
  position: relative;
}

.why-us::before {
  content: '';
  position: absolute;
  top: 20%;
  left: -5%;
  width: 150px;
  height: 150px;
  background: var(--accent-secondary);
  opacity: 0.03;
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
  z-index: 0;
}

.why-us h2 {
  text-align: center;
  font-family: 'Manrope', sans-serif;
  font-size: clamp(2rem, 6vw, 3.5rem);
  margin-bottom: 70px;
  color: var(--accent-secondary);
  font-weight: 800;
  position: relative;
  z-index: 1;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  position: relative;
  z-index: 1;
}

.benefit {
  text-align: center;
  padding: 40px 30px;
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  transition: all 0.4s ease;
  box-shadow: 0 8px 25px var(--shadow);
  position: relative;
  overflow: hidden;
}

.benefit::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.benefit:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 15px 35px rgba(0,0,0,0.12);
}

.benefit:hover::before {
  transform: scaleX(1);
}

.benefit h3 {
  font-family: 'Manrope', sans-serif;
  color: var(--accent);
  margin-bottom: 20px;
  font-size: 1.4rem;
  font-weight: 700;
  transition: color 0.3s;
}

.benefit:hover h3 {
  color: var(--accent-secondary);
}

.benefit p {
  color: var(--text-secondary);
}

/* ======================== */
/* 📩 CONTACTS — Split Gradient + Floating Form */
/* ======================== */

.contacts {
  padding: 120px 0;
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  color: white;
  position: relative;
  overflow: hidden;
}

.contacts::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
  animation: rotate 20s linear infinite;
  z-index: 0;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.contacts h2 {
  text-align: center;
  font-family: 'Manrope', sans-serif;
  font-size: clamp(2rem, 6vw, 3.5rem);
  margin-bottom: 70px;
  font-weight: 800;
  position: relative;
  z-index: 1;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  position: relative;
  z-index: 1;
}

.contact-info p {
  margin-bottom: 20px;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 12px;
}

.socials {
  margin-top: 30px;
  display: flex;
  gap: 20px;
}

.socials a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  font-size: 1.4rem;
  color: white;
  transition: all 0.3s ease;
}

.socials a:hover {
  background: white;
  color: var(--accent);
  transform: translateY(-5px) scale(1.1);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  background: rgba(255,255,255,0.1);
  padding: 40px;
  border-radius: 30px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.2);
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.contact-form input,
.contact-form textarea {
  padding: 16px 20px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.1);
  font-family: 'Manrope', sans-serif;
  color: white;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(255,255,255,0.7);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: white;
  background: rgba(255,255,255,0.2);
  box-shadow: 0 0 10px rgba(255,255,255,0.3);
}

.contact-form textarea {
  resize: vertical;
  min-height: 150px;
}

/* ======================== */
/* 🖋 FOOTER — Minimalist + Gradient Border */
/* ======================== */

.footer {
  background: var(--bg-primary);
  color: var(--text-secondary);
  text-align: center;
  padding: 40px 20px;
  border-top: 2px solid var(--glass-border);
  font-size: 0.95rem;
}

.footer a {
  color: var(--accent);
  font-weight: 700;
}

/* ======================== */
/* 📱 RESPONSIVE */
/* ======================== */

@media (max-width: 992px) {
  .hero-content h1 {
    font-size: clamp(2.2rem, 8vw, 4.5rem);
  }
}

@media (max-width: 768px) {
  .nav-list {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    flex-direction: column;
    padding: 30px;
    gap: 20px;
    box-shadow: 0 10px 30px var(--shadow);
    z-index: 999;
    border-radius: 0 0 24px 24px;
    border-top: 1px solid var(--glass-border);
  }

  .nav-list.active {
    display: flex;
  }

  .burger {
    display: flex;
  }

  .contact-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .contact-form {
    padding: 30px 20px;
  }
}

@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 2.5rem;
  }

  .services-grid,
  .portfolio-grid,
  .benefits-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .btn {
    padding: 14px 28px;
    font-size: 1rem;
  }
}

/* Доп: анимация бургера при активации (если добавишь JS) */
.burger.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.burger.active span:nth-child(2) {
  opacity: 0;
}

.burger.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}





.whatsapp-btn {
  display: inline-block;
  padding: 12px 24px;
  background-color: #25D366;
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: bold;
  font-family: Arial, sans-serif;
  box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.whatsapp-btn:hover {
  background-color: #128C7E;
}





/* SEO About Section */
.seo-about {
    padding: 100px 0;
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.seo-about::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -50px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--accent-secondary) 0%, transparent 70%);
    opacity: 0.03;
    z-index: 0;
    border-radius: 50%;
}

.seo-about::after {
    content: '';
    position: absolute;
    bottom: -80px;
    left: 10%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
    opacity: 0.03;
    z-index: 0;
    border-radius: 50%;
}

.seo-content h2 {
    font-family: 'Manrope', sans-serif;
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 800;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--accent);
    line-height: 1.2;
    position: relative;
    z-index: 1;
}

.seo-text {
    max-width: 800px;
    margin: 0 auto 4rem;
    text-align: center;
    position: relative;
    z-index: 1;
}

.seo-text p {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    opacity: 0.9;
}

.seo-text strong {
    color: var(--accent);
    font-weight: 700;
}

.directions {
    margin-bottom: 4rem;
    position: relative;
    z-index: 1;
}

.directions h3 {
    font-family: 'Manrope', sans-serif;
    font-size: clamp(1.5rem, 4vw, 2.2rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--accent-secondary);
}

.directions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.direction-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 30px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 8px 30px var(--shadow);
    position: relative;
    overflow: hidden;
}

.direction-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.direction-item:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.direction-item:hover::before {
    transform: scaleX(1);
}

.direction-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.direction-item:hover .direction-icon {
    background: linear-gradient(135deg, var(--accent-secondary), #20c997);
    transform: rotate(10deg) scale(1.1);
}

.direction-content h4 {
    font-family: 'Manrope', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

.direction-item:hover .direction-content h4 {
    color: var(--accent);
}

.direction-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.seo-cta {
    text-align: center;
    padding: 40px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    box-shadow: 0 10px 40px var(--shadow);
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    transition: all 0.3s ease;
}

.seo-cta:hover {
    box-shadow: 0 15px 50px rgba(0,0,0,0.15);
    transform: translateY(-5px);
}

.seo-cta p {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--text-primary);
    line-height: 1.6;
}

.seo-cta strong {
    color: var(--accent-secondary);
    font-weight: 700;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-secondary), #20c997);
    color: white;
    padding: 14px 36px;
    border-radius: 50px;
    font-weight: 700;
    font-family: 'Manrope', sans-serif;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
    transition: all 0.35s ease;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    box-shadow: 0 6px 20px rgba(32, 201, 151, 0.3);
    text-decoration: none;
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: 0.5s;
}

.btn-secondary:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 10px 30px rgba(32, 201, 151, 0.5);
}

.btn-secondary:hover::before {
    left: 100%;
}

.btn-secondary:active {
    transform: translateY(-2px);
}

/* Анимация появления элементов */
.seo-text p {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

.seo-text p:nth-child(1) {
    animation-delay: 0.1s;
}

.seo-text p:nth-child(2) {
    animation-delay: 0.3s;
}

.direction-item {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s ease forwards;
}

.direction-item:nth-child(1) { animation-delay: 0.5s; }
.direction-item:nth-child(2) { animation-delay: 0.7s; }
.direction-item:nth-child(3) { animation-delay: 0.9s; }

.seo-cta {
    opacity: 0;
    animation: fadeInUp 0.8s ease 1.1s forwards;
}

/* Адаптивность */
@media (max-width: 768px) {
    .seo-about {
        padding: 80px 0;
    }
    
    .seo-content h2 {
        font-size: 2.2rem;
    }
    
    .seo-text p {
        font-size: 1.1rem;
    }
    
    .directions-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .direction-item {
        padding: 25px;
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .direction-icon {
        align-self: center;
    }
    
    .seo-cta {
        padding: 30px 20px;
        margin: 0 10px;
    }
    
    .seo-cta p {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .seo-content h2 {
        font-size: 1.8rem;
    }
    
    .directions h3 {
        font-size: 1.6rem;
    }
    
    .direction-content h4 {
        font-size: 1.2rem;
    }
    
    .btn-secondary {
        padding: 12px 28px;
        font-size: 1rem;
    }
    
    .seo-text {
        margin-bottom: 3rem;
    }
    
    .directions {
        margin-bottom: 3rem;
    }
}