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

:root {
  --navy: #0f1f3d;
  --navy-light: #1a3060;
  --blue: #2563eb;
  --blue-light: #3b82f6;
  --blue-pale: #eff6ff;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --white: #ffffff;
  --gray-bg: #f8fafc;
  --success: #10b981;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(15,31,61,0.08);
  --shadow-lg: 0 8px 40px rgba(15,31,61,0.14);
  --font: 'Inter', 'Segoe UI', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  font-size: 16px;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ===== TYPOGRAPHY ===== */
h1 { font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 800; line-height: 1.15; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.25rem); font-weight: 700; line-height: 1.25; letter-spacing: -0.01em; }
h3 { font-size: 1.25rem; font-weight: 600; line-height: 1.35; }
h4 { font-size: 1.05rem; font-weight: 600; }
p { color: var(--text-muted); }

/* ===== LAYOUT ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section--gray { background: var(--gray-bg); }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 8px;
  font-size: 15px; font-weight: 600; cursor: pointer;
  border: none; transition: all 0.2s; white-space: nowrap;
}
.btn--primary { background: var(--blue); color: var(--white); }
.btn--primary:hover { background: #1d4ed8; transform: translateY(-1px); box-shadow: 0 8px 24px rgba(37,99,235,0.3); }
.btn--outline { background: transparent; color: var(--blue); border: 2px solid var(--blue); }
.btn--outline:hover { background: var(--blue-pale); }
.btn--white { background: var(--white); color: var(--navy); }
.btn--white:hover { background: #f0f4ff; transform: translateY(-1px); }
.btn--lg { padding: 18px 36px; font-size: 16px; border-radius: 10px; }
.btn--sm { padding: 10px 20px; font-size: 14px; }

/* ===== NAV ===== */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.nav__logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 20px; font-weight: 800; color: var(--navy);
}
.nav__logo-icon {
  width: 38px; height: 38px;
  background: var(--blue); border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
}
.nav__logo-icon svg { color: white; }
.nav__links {
  display: flex; align-items: center; gap: 4px;
}
.nav__link {
  padding: 8px 16px; border-radius: 8px;
  font-size: 15px; font-weight: 500; color: var(--text);
  transition: all 0.15s;
}
.nav__link:hover, .nav__link--active { background: var(--blue-pale); color: var(--blue); }
.nav__cta { margin-left: 12px; }
.nav__burger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; }
.nav__burger span { display: block; width: 24px; height: 2px; background: var(--navy); border-radius: 2px; transition: all 0.3s; }
.nav__mobile { display: none; position: fixed; inset: 72px 0 0; background: white; padding: 24px; z-index: 99; flex-direction: column; gap: 8px; border-top: 1px solid var(--border); }
.nav__mobile.open { display: flex; }
.nav__mobile .nav__link { font-size: 17px; padding: 14px 16px; }

/* ===== HERO ===== */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  padding: 100px 0 80px; color: var(--white); overflow: hidden; position: relative;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; position: relative; }
.hero__badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(59,130,246,0.2); border: 1px solid rgba(59,130,246,0.4);
  color: #93c5fd; padding: 6px 14px; border-radius: 100px;
  font-size: 13px; font-weight: 600; letter-spacing: 0.02em; margin-bottom: 24px;
}
.hero__badge span { width: 6px; height: 6px; background: #60a5fa; border-radius: 50%; animation: pulse 2s infinite; }
.hero h1 { color: var(--white); margin-bottom: 20px; }
.hero h1 span { color: #60a5fa; }
.hero__desc { font-size: 17px; color: #cbd5e1; margin-bottom: 36px; max-width: 480px; }
.hero__actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 56px; }
.hero__stats { display: flex; gap: 32px; }
.hero__stat-value { font-size: 2rem; font-weight: 800; color: var(--white); }
.hero__stat-label { font-size: 13px; color: #94a3b8; margin-top: 2px; }
.hero__visual { position: relative; }
.hero__card {
  background: rgba(255,255,255,0.08); backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.15); border-radius: 16px; padding: 24px;
  animation: float 6s ease-in-out infinite;
}
.hero__card-header { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.hero__card-avatar { width: 44px; height: 44px; border-radius: 12px; background: var(--blue); display: flex; align-items: center; justify-content: center; font-size: 18px; }
.hero__card-name { font-size: 15px; font-weight: 600; color: white; }
.hero__card-role { font-size: 13px; color: #94a3b8; }
.hero__card-items { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.hero__card-item { display: flex; align-items: center; gap: 10px; font-size: 13px; color: #cbd5e1; }
.hero__card-item::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--success); flex-shrink: 0; }
.hero__card-btn { width: 100%; text-align: center; background: var(--blue); color: white; padding: 12px; border-radius: 8px; font-size: 14px; font-weight: 600; }
.hero__float-badge {
  position: absolute; background: white; border-radius: 12px; padding: 12px 16px;
  box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 600; color: var(--navy);
}
.hero__float-badge--1 { top: -20px; right: -20px; animation: float 4s ease-in-out infinite 1s; }
.hero__float-badge--2 { bottom: -16px; left: -16px; animation: float 5s ease-in-out infinite 0.5s; }
.hero__float-badge .icon { font-size: 22px; }

@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }

/* ===== TRUST BAR ===== */
.trust-bar { border-bottom: 1px solid var(--border); padding: 28px 0; }
.trust-bar__inner { display: flex; align-items: center; gap: 48px; flex-wrap: wrap; justify-content: center; }
.trust-bar__label { font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); white-space: nowrap; }
.trust-bar__companies { display: flex; gap: 40px; align-items: center; flex-wrap: wrap; }
.trust-bar__company { font-size: 16px; font-weight: 700; color: #94a3b8; letter-spacing: -0.01em; transition: color 0.2s; }
.trust-bar__company:hover { color: var(--navy); }

/* ===== HOW IT WORKS ===== */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 56px; }
.step { text-align: center; padding: 32px 20px; }
.step__num {
  width: 56px; height: 56px; border-radius: 16px; background: var(--blue);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 800; color: white; margin: 0 auto 20px;
  box-shadow: 0 8px 20px rgba(37,99,235,0.25);
}
.step h3 { margin-bottom: 10px; color: var(--navy); }

/* ===== SERVICES ===== */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 56px; }
.service-card {
  background: var(--white); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px; transition: all 0.25s; cursor: pointer;
}
.service-card:hover { border-color: var(--blue); box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.service-card__icon {
  width: 52px; height: 52px; border-radius: 14px; background: var(--blue-pale);
  display: flex; align-items: center; justify-content: center; font-size: 24px; margin-bottom: 20px;
}
.service-card__tag {
  display: inline-block; font-size: 12px; font-weight: 600;
  color: var(--blue); background: var(--blue-pale); padding: 4px 10px;
  border-radius: 100px; margin-bottom: 12px;
}
.service-card h3 { color: var(--navy); margin-bottom: 10px; }
.service-card__features { margin-top: 20px; display: flex; flex-direction: column; gap: 8px; }
.service-card__feature { font-size: 14px; color: var(--text-muted); display: flex; align-items: center; gap: 8px; }
.service-card__feature::before { content: '✓'; color: var(--success); font-weight: 700; }
.service-card__price { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--border); }
.service-card__price-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.service-card__price-value { font-size: 18px; font-weight: 700; color: var(--navy); }

/* ===== EXPERTS ===== */
.section-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 48px; flex-wrap: wrap; gap: 16px; }
.experts-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.expert-card {
  background: var(--white); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; transition: all 0.25s;
}
.expert-card:hover { border-color: var(--blue-light); box-shadow: var(--shadow); transform: translateY(-3px); }
.expert-card__head { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.expert-card__avatar {
  width: 56px; height: 56px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 700; color: white; flex-shrink: 0;
}
.expert-card__name { font-size: 16px; font-weight: 700; color: var(--navy); }
.expert-card__title { font-size: 13px; color: var(--text-muted); margin-top: 2px; }
.expert-card__exp { font-size: 12px; color: var(--blue); font-weight: 600; margin-top: 4px; }
.expert-card__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.tag {
  font-size: 12px; font-weight: 500; padding: 4px 10px; border-radius: 6px;
  background: var(--gray-bg); color: var(--text); border: 1px solid var(--border);
}
.expert-card__rating { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text-muted); margin-bottom: 16px; }
.stars { color: #f59e0b; letter-spacing: 2px; }
.expert-card__btn { width: 100%; text-align: center; }

/* ===== REVIEWS ===== */
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 56px; }
.review-card {
  background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px;
}
.review-card__stars { color: #f59e0b; font-size: 18px; margin-bottom: 16px; }
.review-card__text { font-size: 15px; color: var(--text); line-height: 1.7; margin-bottom: 20px; }
.review-card__author { display: flex; align-items: center; gap: 12px; }
.review-card__avatar {
  width: 44px; height: 44px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 700; color: white;
}
.review-card__name { font-size: 14px; font-weight: 600; color: var(--navy); }
.review-card__company { font-size: 13px; color: var(--text-muted); }

/* ===== CTA SECTION ===== */
.cta-section {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  padding: 96px 0; text-align: center; color: white;
}
.cta-section h2 { color: white; margin-bottom: 16px; }
.cta-section p { color: #94a3b8; font-size: 18px; margin-bottom: 36px; }
.cta-section__actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ===== PAGE HERO (inner pages) ===== */
.page-hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  padding: 64px 0 56px; color: white;
}
.page-hero h1 { color: white; margin-bottom: 12px; }
.page-hero p { color: #94a3b8; font-size: 17px; }
.breadcrumb { display: flex; align-items: center; gap: 8px; margin-bottom: 20px; font-size: 14px; color: #64748b; }
.breadcrumb a { color: #93c5fd; }
.breadcrumb span { color: #475569; }

/* ===== FILTERS ===== */
.filters { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 36px; }
.filter-btn {
  padding: 9px 18px; border-radius: 8px; font-size: 14px; font-weight: 500;
  border: 1.5px solid var(--border); background: white; color: var(--text);
  cursor: pointer; transition: all 0.15s;
}
.filter-btn:hover, .filter-btn.active { border-color: var(--blue); background: var(--blue-pale); color: var(--blue); }

/* ===== EXPERTS PAGE ===== */
.experts-page-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.expert-card--full { padding: 32px; }
.expert-card--full .expert-card__avatar { width: 64px; height: 64px; font-size: 26px; border-radius: 16px; }
.expert-card--full .expert-card__desc { font-size: 14px; color: var(--text-muted); line-height: 1.65; margin-bottom: 16px; }
.expert-card--full .expert-card__stats { display: flex; gap: 20px; padding: 16px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); margin-bottom: 16px; }
.expert-stat-value { font-size: 18px; font-weight: 700; color: var(--navy); }
.expert-stat-label { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* ===== SERVICES PAGE ===== */
.services-page-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.service-card--full { padding: 36px; }
.service-card--full .service-card__icon { width: 60px; height: 60px; font-size: 28px; }
.service-card--full .service-card__desc { margin-bottom: 24px; }
.service-card--full .service-card__features { gap: 10px; }
.service-card--full .service-card__feature { font-size: 15px; }

/* ===== CONTACT PAGE ===== */
.contact-layout { display: grid; grid-template-columns: 1fr 1.6fr; gap: 56px; align-items: start; }
.contact-info__item { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 28px; }
.contact-info__icon { width: 48px; height: 48px; border-radius: 12px; background: var(--blue-pale); display: flex; align-items: center; justify-content: center; font-size: 20px; flex-shrink: 0; }
.contact-info__label { font-size: 13px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; font-weight: 600; margin-bottom: 4px; }
.contact-info__value { font-size: 16px; font-weight: 600; color: var(--navy); }
.contact-form {
  background: var(--white); border: 1px solid var(--border); border-radius: 16px;
  padding: 40px; box-shadow: var(--shadow);
}
.contact-form h3 { color: var(--navy); margin-bottom: 8px; }
.contact-form > p { margin-bottom: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; color: var(--navy); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 16px; border: 1.5px solid var(--border); border-radius: 8px;
  font-size: 15px; color: var(--text); background: var(--gray-bg);
  font-family: var(--font); transition: border-color 0.2s;
  outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--blue); background: white; }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: 13px; color: var(--text-muted); margin-top: 12px; }

/* ===== ABOUT PAGE ===== */
.about-hero-content { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; margin-top: 56px; }
.about-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 48px; }
.about-stat { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; text-align: center; }
.about-stat__value { font-size: 2.5rem; font-weight: 800; color: var(--blue); }
.about-stat__label { font-size: 14px; color: var(--text-muted); margin-top: 6px; }
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 48px; }
.team-card { text-align: center; }
.team-card__avatar { width: 80px; height: 80px; border-radius: 20px; margin: 0 auto 16px; display: flex; align-items: center; justify-content: center; font-size: 32px; font-weight: 700; color: white; }
.team-card__name { font-size: 15px; font-weight: 700; color: var(--navy); }
.team-card__role { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
.value-card { padding: 32px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--white); }
.value-card__icon { font-size: 32px; margin-bottom: 16px; }
.value-card h3 { color: var(--navy); margin-bottom: 10px; }

/* ===== SUCCESS STATE ===== */
.success-msg { display: none; text-align: center; padding: 40px 0; }
.success-msg.show { display: block; }
.success-msg__icon { font-size: 48px; margin-bottom: 16px; }
.success-msg h3 { color: var(--navy); margin-bottom: 8px; }

/* ===== FOOTER ===== */
.footer { background: var(--navy); color: #94a3b8; padding: 64px 0 32px; }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer__logo { display: flex; align-items: center; gap: 10px; color: white; font-size: 18px; font-weight: 800; margin-bottom: 16px; }
.footer__logo-icon { width: 34px; height: 34px; background: var(--blue); border-radius: 8px; display: flex; align-items: center; justify-content: center; }
.footer__desc { font-size: 14px; line-height: 1.7; max-width: 280px; }
.footer h4 { color: white; font-size: 14px; font-weight: 700; margin-bottom: 16px; text-transform: uppercase; letter-spacing: 0.06em; }
.footer__links { display: flex; flex-direction: column; gap: 10px; }
.footer__links a { font-size: 14px; color: #94a3b8; transition: color 0.15s; }
.footer__links a:hover { color: white; }
.footer__bottom { padding-top: 32px; border-top: 1px solid rgba(255,255,255,0.08); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer__bottom p { font-size: 13px; }
.footer__bottom-links { display: flex; gap: 24px; }
.footer__bottom-links a { font-size: 13px; color: #64748b; transition: color 0.15s; }
.footer__bottom-links a:hover { color: #94a3b8; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; gap: 48px; }
  .hero__visual { display: none; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .experts-grid, .experts-page-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .services-page-grid { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .nav__links, .nav__cta { display: none; }
  .nav__burger { display: flex; }
  .services-grid, .experts-grid, .experts-page-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .about-hero-content { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .form-row { grid-template-columns: 1fr; }
  .hero__stats { gap: 20px; }
}