/* ============================================================
   ТОВ ДК ГРАНТ — Main Stylesheet
   ============================================================ */

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

:root {
  --blue:        #1B3A6B;
  --blue-dark:   #122855;
  --blue-light:  #2952A3;
  --accent:      #E8A020;
  --accent-dark: #c8881a;
  --white:       #ffffff;
  --gray-50:     #F7F8FA;
  --gray-100:    #EDEEF2;
  --gray-300:    #C4C8D4;
  --gray-500:    #7C8299;
  --gray-700:    #3D4259;
  --gray-900:    #1A1D2E;
  --text:        #222636;
  --radius:      10px;
  --shadow:      0 4px 24px rgba(27,58,107,0.10);
  --shadow-lg:   0 8px 40px rgba(27,58,107,0.16);
  --transition:  0.22s ease;
}

html { scroll-behavior: smooth; }
body {
  font-family: "Inter", sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}

/* ── HEADER ─────────────────────────────────────────────── */
header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(27,58,107,0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: box-shadow var(--transition);
}
header.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.25); }

.header-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}

.logo {
  display: flex; align-items: center; gap: 12px; text-decoration: none;
}
.logo-icon {
  width: 40px; height: 40px; background: var(--accent);
  border-radius: 8px; display: flex; align-items: center; justify-content: center;
}
.logo-icon i { color: var(--blue-dark); font-size: 18px; }
.logo-text { line-height: 1.15; }
.logo-name {
  font-family: "Montserrat", sans-serif; font-weight: 800;
  font-size: 17px; color: var(--white); letter-spacing: 0.03em;
}
.logo-sub {
  font-size: 10px; color: var(--accent);
  letter-spacing: 0.12em; text-transform: uppercase; font-weight: 600;
}

nav { display: flex; gap: 8px; }
nav a {
  color: rgba(255,255,255,0.82); text-decoration: none;
  font-size: 14px; font-weight: 500; padding: 8px 14px;
  border-radius: 6px; transition: background var(--transition), color var(--transition);
}
nav a:hover { background: rgba(255,255,255,0.1); color: var(--white); }

.header-right { display: flex; align-items: center; gap: 12px; }

.lang-switcher {
  display: flex; border: 1px solid rgba(255,255,255,0.2);
  border-radius: 6px; overflow: hidden;
}
.lang-btn {
  background: none; border: none; color: rgba(255,255,255,0.6);
  font-size: 12px; font-weight: 600; padding: 5px 10px; cursor: pointer;
  transition: background var(--transition), color var(--transition);
  font-family: "Inter", sans-serif; letter-spacing: 0.05em;
}
.lang-btn.active { background: var(--accent); color: var(--blue-dark); }
.lang-btn:hover:not(.active) { background: rgba(255,255,255,0.1); color: var(--white); }

.btn-call-header {
  background: var(--accent); color: var(--blue-dark); border: none; cursor: pointer;
  font-family: "Inter", sans-serif; font-weight: 700; font-size: 14px;
  padding: 10px 20px; border-radius: 7px; text-decoration: none;
  display: flex; align-items: center; gap: 8px;
  transition: background var(--transition), transform var(--transition);
}
.btn-call-header:hover { background: var(--accent-dark); transform: translateY(-1px); }

.burger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 6px;
}
.burger span {
  display: block; width: 24px; height: 2px;
  background: var(--white); border-radius: 2px; transition: var(--transition);
}

/* ── MOBILE NAV ──────────────────────────────────────────── */
.mobile-nav {
  display: none; flex-direction: column;
  background: var(--blue-dark); border-top: 1px solid rgba(255,255,255,0.08);
  padding: 16px 24px; position: fixed; top: 68px; left: 0; right: 0; z-index: 99;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  color: rgba(255,255,255,0.85); text-decoration: none;
  font-size: 16px; font-weight: 500; padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.mobile-nav a:hover { color: var(--accent); }

/* ── HERO ────────────────────────────────────────────────── */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  overflow: hidden; padding-top: 68px;
}
.hero-bg {
  position: absolute; inset: 0;
  background-image: url("../img/hero.webp");
  background-size: cover; background-position: center;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(105deg,
    rgba(18,40,85,0.90) 0%,
    rgba(18,40,85,0.70) 55%,
    rgba(18,40,85,0.35) 100%);
}
.hero-inner {
  position: relative; z-index: 2;
  max-width: 1200px; margin: 0 auto;
  padding: 80px 24px; width: 100%;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(232,160,32,0.18); border: 1px solid rgba(232,160,32,0.4);
  color: var(--accent); font-size: 12px; font-weight: 600;
  letter-spacing: 0.1em; padding: 6px 14px; border-radius: 20px;
  text-transform: uppercase; margin-bottom: 24px;
}
.hero-badge i { font-size: 10px; }
.hero-title {
  font-family: "Montserrat", sans-serif; font-weight: 800;
  font-size: clamp(32px, 5vw, 58px); color: var(--white);
  line-height: 1.12; max-width: 680px;
  margin-bottom: 20px; letter-spacing: -0.01em;
}
.hero-title span { color: var(--accent); }
.hero-desc {
  font-size: 18px; color: rgba(255,255,255,0.80);
  max-width: 520px; margin-bottom: 40px; line-height: 1.65;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-stats { display: flex; gap: 40px; margin-top: 60px; flex-wrap: wrap; }
.stat-num {
  font-family: "Montserrat", sans-serif;
  font-size: 32px; font-weight: 800; color: var(--accent); line-height: 1;
}
.stat-label { font-size: 13px; color: rgba(255,255,255,0.65); margin-top: 4px; }

/* ── BUTTONS ─────────────────────────────────────────────── */
.btn-primary {
  background: var(--accent); color: var(--blue-dark);
  font-weight: 700; font-size: 16px; padding: 16px 32px;
  border-radius: 8px; text-decoration: none; border: none; cursor: pointer;
  display: inline-flex; align-items: center; gap: 10px;
  font-family: "Inter", sans-serif;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 20px rgba(232,160,32,0.35);
}
.btn-primary:hover {
  background: var(--accent-dark); transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(232,160,32,0.45);
}
.btn-secondary {
  background: rgba(255,255,255,0.10); color: var(--white);
  font-weight: 600; font-size: 16px; padding: 16px 32px;
  border-radius: 8px; text-decoration: none;
  border: 1.5px solid rgba(255,255,255,0.35); cursor: pointer;
  display: inline-flex; align-items: center; gap: 10px;
  font-family: "Inter", sans-serif;
  transition: background var(--transition), border-color var(--transition);
  backdrop-filter: blur(4px);
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.18);
  border-color: rgba(255,255,255,0.6);
}
.btn-dark {
  background: var(--blue-dark); color: var(--white);
  font-weight: 700; font-size: 15px; padding: 14px 28px;
  border-radius: 8px; text-decoration: none; border: none; cursor: pointer;
  display: inline-flex; align-items: center; gap: 8px;
  font-family: "Inter", sans-serif;
  transition: background var(--transition), transform var(--transition);
}
.btn-dark:hover { background: var(--blue); transform: translateY(-2px); }
.btn-outline-dark {
  background: transparent; color: var(--blue-dark);
  font-weight: 700; font-size: 15px; padding: 14px 28px;
  border-radius: 8px; text-decoration: none;
  border: 2px solid var(--blue-dark); cursor: pointer;
  display: inline-flex; align-items: center; gap: 8px;
  font-family: "Inter", sans-serif;
  transition: background var(--transition), transform var(--transition);
}
.btn-outline-dark:hover { background: rgba(18,40,85,0.08); transform: translateY(-2px); }

/* ── SECTIONS ────────────────────────────────────────────── */
section { padding: 90px 24px; }
.container { max-width: 1200px; margin: 0 auto; }
.section-label {
  font-size: 12px; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 10px;
}
.section-title {
  font-family: "Montserrat", sans-serif; font-weight: 800;
  font-size: clamp(26px, 3.5vw, 40px); color: var(--blue);
  line-height: 1.2; margin-bottom: 16px;
}
.section-sub {
  font-size: 17px; color: var(--gray-500);
  max-width: 560px; line-height: 1.65;
}

/* ── SERVICES ────────────────────────────────────────────── */
#services { background: var(--gray-50); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px; margin-top: 52px;
}
.service-card {
  background: var(--white); border-radius: var(--radius);
  padding: 32px 28px; border: 1px solid var(--gray-100);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  cursor: default;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg); border-color: var(--accent);
}
.service-icon {
  width: 52px; height: 52px; border-radius: 12px;
  background: rgba(27,58,107,0.08);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px; transition: background var(--transition);
}
.service-card:hover .service-icon { background: var(--blue); }
.service-icon i { font-size: 22px; color: var(--blue); transition: color var(--transition); }
.service-card:hover .service-icon i { color: var(--white); }
.service-title { font-weight: 700; font-size: 17px; color: var(--blue); margin-bottom: 8px; }
.service-desc { font-size: 14px; color: var(--gray-500); line-height: 1.6; }

/* ── WHY US ──────────────────────────────────────────────── */
#why { background: var(--blue); position: relative; overflow: hidden; }
#why::before {
  content: ""; position: absolute; right: -100px; top: -100px;
  width: 500px; height: 500px; border-radius: 50%;
  background: rgba(255,255,255,0.03); pointer-events: none;
}
#why .section-title { color: var(--white); }
#why .section-sub  { color: rgba(255,255,255,0.65); }
#why .section-label { color: var(--accent); }

.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px; margin-top: 52px;
}
.why-card {
  padding: 28px; border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.04);
  transition: background var(--transition), border-color var(--transition);
}
.why-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(232,160,32,0.4);
}
.why-num {
  font-family: "Montserrat", sans-serif;
  font-size: 36px; font-weight: 800; color: var(--accent);
  opacity: 0.25; line-height: 1; margin-bottom: 12px;
}
.why-title { font-weight: 700; font-size: 17px; color: var(--white); margin-bottom: 8px; }
.why-desc  { font-size: 14px; color: rgba(255,255,255,0.60); line-height: 1.65; }

/* ── GALLERY ─────────────────────────────────────────────── */
#gallery { background: var(--white); }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: 320px 240px;
  gap: 12px;
  margin-top: 52px;
}
.gallery-item {
  border-radius: var(--radius); overflow: hidden;
  position: relative; background: var(--gray-100);
}
.gallery-item:nth-child(1) { grid-column: 1 / 4; grid-row: 1; }
.gallery-item:nth-child(2) { grid-column: 1;     grid-row: 2; }
.gallery-item:nth-child(3) { grid-column: 2;     grid-row: 2; }
.gallery-item:nth-child(4) { grid-column: 3;     grid-row: 2; }

.gallery-item img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform 0.4s ease;
}
.gallery-item:hover img { transform: scale(1.04); }
.gallery-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(27,58,107,0.5) 0%, transparent 60%);
  opacity: 0; transition: opacity var(--transition);
}
.gallery-item:hover .gallery-overlay { opacity: 1; }

/* ── HOW IT WORKS ────────────────────────────────────────── */
#how { background: var(--gray-50); }
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0; margin-top: 52px; position: relative;
}
.step {
  display: flex; flex-direction: column; align-items: flex-start;
  padding: 36px 32px; position: relative;
}
.step:not(:last-child)::after {
  content: ""; position: absolute; right: 0; top: 50px;
  width: 1px; height: 60px; background: var(--gray-300);
}
.step-num {
  width: 52px; height: 52px; border-radius: 50%;
  background: var(--blue); color: var(--white);
  font-family: "Montserrat", sans-serif; font-weight: 800; font-size: 20px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px; flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(27,58,107,0.25);
}
.step-title { font-weight: 700; font-size: 18px; color: var(--blue); margin-bottom: 8px; }
.step-desc  { font-size: 14px; color: var(--gray-500); line-height: 1.65; }

/* ── CTA BAND ────────────────────────────────────────────── */
.cta-band {
  background: linear-gradient(100deg, var(--accent) 0%, #f0b030 100%);
  padding: 60px 24px; text-align: center;
}
.cta-band h2 {
  font-family: "Montserrat", sans-serif; font-weight: 800;
  font-size: clamp(24px, 3vw, 36px); color: var(--blue-dark); margin-bottom: 12px;
}
.cta-band p { font-size: 17px; color: rgba(18,40,85,0.75); margin-bottom: 32px; }
.cta-phones {
  display: flex; gap: 20px; justify-content: center;
  flex-wrap: wrap; margin-bottom: 28px;
}
.cta-phone {
  font-size: 26px; font-weight: 800; color: var(--blue-dark);
  text-decoration: none; font-family: "Montserrat", sans-serif;
  transition: opacity var(--transition);
}
.cta-phone:hover { opacity: 0.75; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ── CONTACTS ────────────────────────────────────────────── */
#contacts { background: var(--white); }
.contacts-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; margin-top: 52px;
}
.contact-item {
  display: flex; gap: 16px; align-items: flex-start; margin-bottom: 32px;
}
.contact-icon {
  width: 46px; height: 46px; border-radius: 10px;
  background: var(--gray-50); border: 1px solid var(--gray-100);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.contact-icon i { color: var(--blue); font-size: 18px; }
.contact-label {
  font-size: 12px; color: var(--gray-500); font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 4px;
}
.contact-value { font-size: 17px; font-weight: 600; color: var(--text); }
.contact-value a { color: var(--blue); text-decoration: none; }
.contact-value a:hover { color: var(--accent-dark); }

.messenger-links { display: flex; gap: 10px; margin-top: 8px; }
.msg-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: 6px; font-size: 13px; font-weight: 600;
  text-decoration: none; transition: transform var(--transition), opacity var(--transition);
}
.msg-btn:hover { transform: translateY(-2px); opacity: 0.88; }
.msg-viber   { background: #7360F2; color: var(--white); }
.msg-telegram { background: #29A8E0; color: var(--white); }

/* ── ORDER FORM ──────────────────────────────────────────── */
.order-form { background: var(--white); }
.order-form h3 {
  font-family: "Montserrat", sans-serif; font-weight: 800;
  font-size: 20px; color: var(--blue); margin-bottom: 6px;
}
.order-form .form-subtitle { font-size: 14px; color: var(--gray-500); margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.form-group label { font-size: 13px; font-weight: 600; color: var(--gray-700); }
.form-group input,
.form-group select,
.form-group textarea {
  border: 1.5px solid var(--gray-300); border-radius: 8px;
  padding: 11px 14px; font-size: 14px; font-family: "Inter", sans-serif;
  color: var(--text); background: var(--gray-50);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none; width: 100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(27,58,107,0.10);
  background: var(--white);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--gray-300); }
.form-group textarea { resize: vertical; min-height: 80px; }
.form-group select { appearance: none; cursor: pointer; }

.form-submit {
  width: 100%; padding: 14px;
  background: var(--blue); color: var(--white);
  border: none; border-radius: 8px;
  font-family: "Inter", sans-serif; font-weight: 700; font-size: 15px;
  cursor: pointer; display: flex; align-items: center;
  justify-content: center; gap: 10px;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 16px rgba(27,58,107,0.20);
}
.form-submit:hover {
  background: var(--blue-light); transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(27,58,107,0.28);
}
.form-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.form-submit .spinner {
  width: 16px; height: 16px; border: 2px solid rgba(255,255,255,0.4);
  border-top-color: white; border-radius: 50%; animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.form-success { display: none; text-align: center; padding: 32px 20px; }
.form-success i { font-size: 40px; color: #22c55e; display: block; margin-bottom: 12px; }
.form-success h4 { font-size: 18px; font-weight: 700; color: var(--blue); margin-bottom: 8px; }
.form-success p  { font-size: 14px; color: var(--gray-500); }

/* ── SCROLL TO TOP ───────────────────────────────────────── */
#scroll-top {
  position: fixed; bottom: 28px; right: 28px; z-index: 200;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--blue); color: var(--white);
  border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(27,58,107,0.35);
  opacity: 0; pointer-events: none;
  transform: translateY(12px);
  transition: opacity 0.25s ease, transform 0.25s ease, background 0.2s ease;
}
#scroll-top.visible { opacity: 1; pointer-events: auto; transform: none; }
#scroll-top:hover { background: var(--accent); }
#scroll-top i { font-size: 16px; }

/* ── FOOTER ──────────────────────────────────────────────── */
footer {
  background: var(--blue-dark); color: rgba(255,255,255,0.65);
  padding: 48px 24px 32px;
}
.footer-inner { max-width: 1200px; margin: 0 auto; }
.footer-top {
  display: flex; justify-content: space-between;
  align-items: flex-start; gap: 40px; flex-wrap: wrap;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 28px;
}
.footer-tagline { font-size: 13px; color: rgba(255,255,255,0.45); max-width: 260px; margin-top: 14px; }
.footer-phones a {
  display: block; color: var(--white); font-weight: 700;
  font-size: 16px; text-decoration: none; margin-bottom: 6px;
}
.footer-phones a:hover { color: var(--accent); }
.footer-bottom {
  display: flex; justify-content: space-between;
  align-items: center; gap: 20px; flex-wrap: wrap;
}
.footer-copy { font-size: 12px; color: rgba(255,255,255,0.35); }

/* ── SCROLL ANIMATION ────────────────────────────────────── */
.fade-up {
  opacity: 0; transform: translateY(28px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.fade-up.visible { opacity: 1; transform: none; }

/* ── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 900px) {
  nav { display: none; }
  .burger { display: flex; }
  .contacts-grid { grid-template-columns: 1fr; gap: 40px; }
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: 220px 220px 220px;
  }
  .gallery-item:nth-child(1) { grid-column: 1 / 3; grid-row: 1; }
  .gallery-item:nth-child(2) { grid-column: 1;     grid-row: 2; }
  .gallery-item:nth-child(3) { grid-column: 2;     grid-row: 2; }
  .gallery-item:nth-child(4) { grid-column: 1 / 3; grid-row: 3; }
  .step:not(:last-child)::after { display: none; }
}

@media (max-width: 600px) {
  section { padding: 60px 16px; }
  .hero-inner { padding: 60px 16px; }
  .gallery-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  .gallery-item:nth-child(1),
  .gallery-item:nth-child(2),
  .gallery-item:nth-child(3),
  .gallery-item:nth-child(4) { grid-column: 1; grid-row: auto; height: 220px; }
  .steps { gap: 16px; }
  .step { padding: 24px 20px; }
  .hero-stats { gap: 28px; }
  .btn-call-header span { display: none; }
  .footer-top { flex-direction: column; }
  .form-row { grid-template-columns: 1fr; }
  #scroll-top { bottom: 20px; right: 16px; }
}