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

:root {
  --primary: #0088cc;
  --primary-dark: #006699;
  --primary-light: #33aaff;
  --accent: #00a86b;
  --accent-dark: #008f5a;
  --bg: #f8f9fc;
  --bg-alt: #ffffff;
  --text: #1a1a2e;
  --text-light: #6b7280;
  --text-on-primary: #ffffff;
  --border: #e2e8f0;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
  --radius: 16px;
  --radius-sm: 8px;
  --max-width: 1200px;
  --container-padding: 24px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: 'Inter', 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.body--menu-open { overflow: hidden; }
img { max-width: 100%; height: auto; }
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-dark); }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 50px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  text-decoration: none;
  white-space: nowrap;
}

.btn--primary {
  background: var(--primary);
  color: var(--text-on-primary);
  box-shadow: 0 4px 14px rgba(0,136,204,0.35);
}

.btn--primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,136,204,0.45);
  color: #fff;
}

.btn--outline {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
}

.btn--outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

.btn--large {
  padding: 18px 36px;
  font-size: 1.1rem;
}

/* ============ SECTION COMMON ============ */
.section__title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  text-align: center;
  margin-bottom: 12px;
  color: var(--text);
}

.section__subtitle {
  font-size: 1.1rem;
  color: var(--text-light);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 48px;
}

section { padding: 80px 0; }

/* ============ HEADER ============ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  flex-shrink: 0;
}

.header__logo-text { font-weight: 800; }
.header__logo-accent { color: var(--primary); }
.header__logo-icon { font-size: 1.4rem; }

.header__nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.header__link {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text);
  transition: all var(--transition);
  white-space: nowrap;
}

.header__link:hover {
  background: rgba(0,136,204,0.08);
  color: var(--primary);
}

.header__link--active {
  color: var(--primary);
  font-weight: 600;
}

.header__link--cta {
  background: var(--primary);
  color: #fff;
  font-weight: 600;
}

.header__link--cta:hover {
  background: var(--primary-dark);
  color: #fff;
}

.header__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  width: 40px;
  height: 40px;
  position: relative;
  z-index: 1001;
}

.header__burger span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
  transform-origin: center;
}

.header__burger.active span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

.header__burger.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.header__burger.active span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 120px 0 80px;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #e8f4fd 0%, #d4edf7 30%, #c8e6f0 60%, #e0f2f1 100%);
  z-index: 0;
}

.hero__bg::after {
  content: '';
  position: absolute;
  right: -10%;
  bottom: -10%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,136,204,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero__title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--text);
}

.hero__accent {
  display: block;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.7;
  color: var(--text-light);
  max-width: 750px;
  margin: 0 auto 36px;
}

.hero__actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.hero__stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.hero__stat { text-align: center; }

.hero__stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
}

.hero__stat-label {
  font-size: 0.95rem;
  color: var(--text-light);
  font-weight: 500;
}

/* ============ SERVICES ============ */
.services { background: var(--bg-alt); }

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}

.service-card {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: all var(--transition);
  border: 1px solid var(--border);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.service-card__icon { font-size: 2.5rem; margin-bottom: 16px; }
.service-card__title { font-size: 1.2rem; font-weight: 700; margin-bottom: 12px; }
.service-card__text { color: var(--text-light); line-height: 1.7; font-size: 0.95rem; }

/* ============ ABOUT ============ */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about__text {
  margin-bottom: 16px;
  font-size: 1.05rem;
  color: var(--text-light);
  line-height: 1.8;
}

.about__list { list-style: none; margin-top: 20px; }
.about__list li { padding: 8px 0; font-weight: 500; font-size: 1rem; }

.about__image-placeholder {
  background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  border-radius: var(--radius);
  padding: 80px 40px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 350px;
  color: #fff;
}

.about__placeholder-icon { font-size: 4rem; margin-bottom: 16px; }
.about__placeholder-text { font-size: 1.5rem; font-weight: 700; }

/* ============ FAQ ============ */
.faq { background: var(--bg-alt); }

.faq__list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq__item {
  background: var(--bg);
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
}

.faq__question {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  cursor: pointer;
  font-family: inherit;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  transition: background var(--transition);
}

.faq__question:hover { background: rgba(0,136,204,0.04); }

.faq__icon {
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--primary);
  flex-shrink: 0;
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 24px;
}

.faq__answer p {
  padding-bottom: 20px;
  color: var(--text-light);
  line-height: 1.7;
}

.faq__question[aria-expanded="true"] + .faq__answer {
  max-height: 500px;
}

/* ============ CONTACT ============ */
.contact__card {
  max-width: 700px;
  margin: 0 auto;
  background: linear-gradient(135deg, var(--primary) 0%, #005f8c 100%);
  border-radius: var(--radius);
  padding: 56px 48px;
  text-align: center;
  color: #fff;
}

.contact__title {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.contact__text {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: 36px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 36px;
  text-align: left;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

.contact__item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact__item-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.contact__link {
  color: #fff;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.contact__link:hover { color: rgba(255,255,255,0.85); }

.contact__card .btn--primary {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.contact__card .btn--primary:hover {
  background: #f0f8ff;
  transform: translateY(-3px);
  color: var(--primary-dark);
  box-shadow: 0 12px 32px rgba(0,0,0,0.25);
}

/* ============ MEDIA QUERIES ============ */
@media (max-width: 968px) {
  .about__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about__image-placeholder {
    order: -1;
    min-height: 250px;
    padding: 60px 30px;
  }

  .footer__inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root { --container-padding: 18px; }

  section { padding: 60px 0; }

  .header__burger { display: flex; }

  .header__nav {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 24px 20px;
    gap: 4px;
    transform: translateY(-120%);
    opacity: 0;
    transition: all var(--transition);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    pointer-events: none;
  }

  .header__nav--open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .header__link {
    width: 100%;
    padding: 14px 16px;
    text-align: center;
  }

  .hero__stats { gap: 28px; }
  .hero__stat-number { font-size: 1.6rem; }

  .services__grid { grid-template-columns: 1fr; }

  .contact__card { padding: 36px 24px; }
  .contact__title { font-size: 1.5rem; }

  .footer__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer__links a,
  .footer__contact a {
    display: inline-block;
    padding: 6px 12px;
  }
}

@media (max-width: 480px) {
  .hero__title { font-size: 1.7rem; }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .btn { justify-content: center; }
  .hero__stats { flex-direction: column; gap: 20px; }
}

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

.hero__title,
.hero__subtitle,
.hero__actions,
.hero__stats {
  animation: fadeInUp 0.8s ease forwards;
}

.hero__subtitle { animation-delay: 0.15s; }
.hero__actions { animation-delay: 0.3s; }
.hero__stats { animation-delay: 0.45s; }

/* ============ SCROLLBAR ============ */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--primary-light); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ============ BLOG POST ============ */
.post {
  padding-top: 120px;
  padding-bottom: 60px;
  background: var(--bg-alt);
}

.post__article {
  max-width: 800px;
  margin: 0 auto;
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 48px;
  box-shadow: var(--shadow);
}

.post__meta {
  display: flex;
/* ============ BLOG LIST ============ */
.blog-list {
  padding-top: 120px;
  padding-bottom: 60px;
  background: var(--bg);
}

.blog-list__title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  text-align: center;
  margin-bottom: 12px;
  color: var(--text);
}

.blog-list__subtitle {
  font-size: 1.1rem;
  color: var(--text-light);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 48px;
}

.blog-list__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 32px 28px;
  border: 1px solid var(--border);
  transition: all var(--transition);
  text-decoration: none;
  color: inherit;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.blog-card__meta {
  display: flex;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 16px;
}

.blog-card__meta span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.blog-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 12px;
  color: var(--text);
  transition: color var(--transition);
}

.blog-card:hover .blog-card__title {
  color: var(--primary);
}

.blog-card__desc {
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 20px;
  flex: 1;
}

.blog-card__link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition);
}

.blog-card:hover .blog-card__link {
  gap: 10px;
}

.blog-list__cta {
  max-width: 600px;
  margin: 60px auto 0;
  padding: 40px 32px;
  background: linear-gradient(135deg, var(--primary) 0%, #005f8c 100%);
  border-radius: var(--radius);
  text-align: center;
  color: #fff;
}

.blog-list__cta h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #fff;
}

.blog-list__cta p {
  margin-bottom: 24px;
  opacity: 0.9;
}

.blog-list__cta .btn--primary {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.blog-list__cta .btn--primary:hover {
  background: #f0f8ff;
  color: var(--primary-dark);
  transform: translateY(-3px);
}

@media (max-width: 768px) {
  .blog-list__grid { grid-template-columns: 1fr; }
  .blog-card { padding: 24px 20px; }
  .blog-list__cta { padding: 28px 20px; }
}

@media (max-width: 480px) {
  .blog-card__meta { flex-direction: column; gap: 4px; }
}
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
  font-size: 0.9rem;
  color: var(--text-light);
}

.post__meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.post__title {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 20px;
  color: var(--text);
}

.post__content {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-light);
}

.post__content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  margin: 40px 0 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--border);
}

.post__content h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  margin: 32px 0 12px;
}

.post__content p {
  margin-bottom: 16px;
}

.post__content ul,
.post__content ol {
  margin: 16px 0;
  padding-left: 24px;
}

.post__content li {
  margin-bottom: 8px;
}

.post__content strong {
  color: var(--text);
  font-weight: 600;
}

.post__content a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.post__content a:hover {
  color: var(--primary-dark);
}

.post__cta {
  margin-top: 48px;
  padding: 32px;
  background: linear-gradient(135deg, var(--primary) 0%, #005f8c 100%);
  border-radius: var(--radius);
  text-align: center;
  color: #fff;
}

.post__cta h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #fff;
}

.post__cta p {
  margin-bottom: 20px;
  opacity: 0.9;
}

.post__cta .btn--primary {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.post__cta .btn--primary:hover {
  background: #f0f8ff;
  transform: translateY(-3px);
  color: var(--primary-dark);
}

@media (max-width: 768px) {
  .post__article { padding: 28px 20px; }
  .post__cta { padding: 24px 20px; }
}