/* ============================================================
   СТРОЙ ЛАБ — строительно-ремонтная компания
   Дизайн: чёрный / белый / бирюзовый #075E7F (цвет буквы P в логотипе CPS)
   Шрифты: Roboto (текст) + Roboto Slab (заголовки)
   ============================================================ */

/* ---------- Переменные ---------- */
:root {
  --accent: #075E7F;        /* бирюзовый — цвет буквы P в логотипе CPS */
  --accent-light: #2E93BC;  /* светлее — для акцентов на тёмном фоне */
  --black: #060606;
  --white: #FFFFFF;
  --grey: #7C6F73;
  --light: #F4F4F4;
  --border: #e5e2e3;

  --font: 'Noto Sans Georgian', 'Roboto', system-ui, sans-serif;
  --font-head: 'Noto Serif Georgian', 'Roboto Slab', Georgia, serif;

  --wrap: 1200px;
  --radius: 4px;
  --shadow: 0 10px 40px rgba(0,0,0,.08);
  --transition: .25s ease;
}

/* ---------- Сброс ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--black);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.2; font-weight: 700; }

/* ---------- Утилиты ---------- */
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.section { padding: 90px 0; }
.section--dark { background: var(--black); color: var(--white); }
.section--light { background: var(--light); }
.center { text-align: center; }

.eyebrow {
  display: inline-block;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--white);
  background: var(--accent);
  padding: 6px 14px;
  border-radius: 2px;
  margin-bottom: 18px;
}
.section--dark .eyebrow { color: var(--white); }

.section-title { font-size: clamp(28px, 4vw, 44px); margin-bottom: 18px; }
.section-lead { max-width: 720px; color: var(--grey); font-size: 17px; }
.section--dark .section-lead { color: rgba(255,255,255,.75); }
.center .section-lead { margin-left: auto; margin-right: auto; }

/* ---------- Кнопки ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 15px;
  padding: 14px 28px;
  border-radius: var(--radius);
  border: 2px solid var(--accent);
  background: var(--accent);
  color: var(--white);
  cursor: pointer;
  transition: var(--transition);
}
.btn:hover { background: transparent; color: var(--accent); }
.section--dark .btn:hover { color: var(--accent-light); }
.btn--ghost { background: transparent; border-color: var(--black); color: var(--black); }
.btn--ghost:hover { background: var(--black); color: var(--white); border-color: var(--black); }
.section--dark .btn--ghost { border-color: var(--white); color: var(--white); }
.section--dark .btn--ghost:hover { background: var(--white); color: var(--black); }

.link-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  color: var(--black);
  border-bottom: 2px solid var(--accent);
  padding-bottom: 2px;
  transition: var(--transition);
}
.link-more:hover { gap: 12px; }

/* ============================================================
   ШАПКА
   ============================================================ */
.header {
  position: sticky; top: 0; z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}
.header__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 78px;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo img { height: 56px; width: auto; display: block; }
.logo svg { width: 46px; height: auto; }
.logo__text { display: flex; flex-direction: column; line-height: 1.05; }
.logo__name { font-family: var(--font-head); font-weight: 700; font-size: 18px; letter-spacing: 1px; }
.logo__sub { font-size: 10px; letter-spacing: 2px; text-transform: uppercase; color: var(--grey); }

/* Логотип в тёмном подвале — на белой подложке */
.logo--footer { display: inline-flex; background: var(--white); padding: 12px 18px; border-radius: 6px; }
.logo--footer img { height: 60px; }

.nav { display: flex; align-items: center; gap: 34px; }
.nav a { font-weight: 500; font-size: 15px; position: relative; padding: 4px 0; }
.nav a::after {
  content: ''; position: absolute; left: 0; bottom: -2px;
  width: 0; height: 2px; background: var(--accent); transition: var(--transition);
}
.nav a:hover::after, .nav a.active::after { width: 100%; }

.header__cta { display: flex; align-items: center; gap: 18px; }
.header__phone { font-weight: 700; font-size: 15px; white-space: nowrap; }
.header__phone span { color: var(--grey); font-weight: 400; font-size: 12px; display: block; }

.burger { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.burger span { width: 26px; height: 2px; background: var(--black); transition: var(--transition); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex; align-items: center;
  color: var(--white);
  background:
    linear-gradient(rgba(6,6,6,.55), rgba(6,6,6,.65)),
    url('https://build-lab.ge/wp-content/uploads/2023/05/Block_2-scaled.jpg') center/cover no-repeat;
}
.hero__content { max-width: 720px; }
.hero h1 { font-size: clamp(36px, 6vw, 68px); margin-bottom: 22px; }
.hero h1 .accent { color: var(--accent-light); }
.hero p { font-size: 19px; color: rgba(255,255,255,.85); margin-bottom: 34px; max-width: 560px; }
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero__strip {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: var(--accent); color: var(--white);
  display: flex; justify-content: center; gap: 60px; flex-wrap: wrap;
  padding: 18px 24px; font-weight: 700;
}
.hero__strip span { display: flex; align-items: center; gap: 10px; font-size: 15px; }

/* ============================================================
   УСЛУГИ (карточки)
   ============================================================ */
.grid { display: grid; gap: 28px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 28px;
  transition: var(--transition);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--accent); }
.card__icon {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--accent); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.card__icon svg { width: 28px; height: 28px; }
.card h3 { font-size: 21px; margin-bottom: 12px; }
.card p { color: var(--grey); font-size: 15px; }

/* ---------- Услуга с фото (2 колонки) ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.split__img img { border-radius: var(--radius); box-shadow: var(--shadow); width: 100%; object-fit: cover; }
.split__body h2 { font-size: clamp(26px, 3.4vw, 38px); margin-bottom: 18px; }
.split__body p { color: var(--grey); margin-bottom: 20px; }
.split--reverse .split__img { order: 2; }

.steps { display: grid; gap: 18px; margin: 26px 0; }
.step { display: flex; gap: 16px; align-items: flex-start; }
.step__num {
  flex: 0 0 auto;
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--black); color: var(--accent-light);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-family: var(--font-head);
}
.step h4 { font-size: 17px; margin-bottom: 2px; }
.step p { margin: 0; font-size: 14px; }

/* ---------- Список преимуществ ---------- */
.checks { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 30px; margin-top: 10px; }
.check { display: flex; gap: 12px; align-items: flex-start; }
.check svg { flex: 0 0 auto; width: 22px; height: 22px; color: var(--accent-light); margin-top: 3px; }
.check b { display: block; }
.check span { color: var(--grey); font-size: 14px; }
.section--dark .check span { color: rgba(255,255,255,.7); }

/* ---------- CTA-полоса ---------- */
.cta {
  background: var(--accent); color: var(--white);
  text-align: center; padding: 70px 24px;
}
.cta h2 { font-size: clamp(28px, 4vw, 42px); margin-bottom: 14px; }
.cta p { max-width: 620px; margin: 0 auto 28px; font-size: 17px; }
.cta .btn { background: var(--black); border-color: var(--black); color: var(--white); }
.cta .btn:hover { background: transparent; color: var(--black); }

/* ============================================================
   КОНТАКТ
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; }
.contact-info { display: grid; gap: 24px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-item__icon {
  width: 50px; height: 50px; border-radius: 50%; flex: 0 0 auto;
  background: var(--accent); color: var(--white);
  display: flex; align-items: center; justify-content: center;
}
.contact-item h4 { font-size: 16px; margin-bottom: 2px; }
.contact-item p, .contact-item a { color: var(--grey); }

.form { display: grid; gap: 16px; background: var(--light); padding: 34px; border-radius: var(--radius); }
.form input, .form textarea {
  font-family: var(--font); font-size: 15px;
  padding: 14px 16px; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--white); width: 100%;
}
.form input:focus, .form textarea:focus { outline: 2px solid var(--accent); border-color: var(--accent); }
.form textarea { min-height: 120px; resize: vertical; }
.form__ok { display: none; background: var(--accent); color: var(--black); padding: 14px; border-radius: var(--radius); font-weight: 700; text-align: center; }

/* ============================================================
   ПОДВАЛ
   ============================================================ */
.footer { background: var(--black); color: rgba(255,255,255,.75); padding: 70px 0 30px; }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer .logo__name, .footer .logo__sub { color: var(--white); }
.footer p { font-size: 14px; margin-top: 16px; max-width: 300px; }
.footer h4 { color: var(--white); font-size: 16px; margin-bottom: 18px; }
.footer a { display: block; padding: 6px 0; transition: var(--transition); font-size: 14px; }
.footer a:hover { color: var(--accent-light); }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding-top: 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  font-size: 13px; color: rgba(255,255,255,.5);
}
.footer__bottom a { display: inline; }

/* ============================================================
   АДАПТИВ
   ============================================================ */
@media (max-width: 900px) {
  .nav {
    position: fixed; inset: 78px 0 auto 0;
    flex-direction: column; gap: 0;
    background: var(--white); border-bottom: 1px solid var(--border);
    padding: 10px 24px 24px;
    transform: translateY(-120%); transition: transform .3s ease;
  }
  .nav.open { transform: translateY(0); }
  .nav a { padding: 14px 0; border-bottom: 1px solid var(--border); width: 100%; }
  .burger { display: flex; }
  .header__phone { display: none; }
  .grid--3, .grid--4, .checks { grid-template-columns: 1fr 1fr; }
  .split, .contact-grid { grid-template-columns: 1fr; gap: 30px; }
  .split--reverse .split__img { order: 0; }
  .footer__grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .section { padding: 60px 0; }
  .grid--3, .grid--4, .grid--2, .checks { grid-template-columns: 1fr; }
  .hero__strip { gap: 20px; }
}