/* ===== ОСНОВИ ТА ЗМІННІ ===== */
:root {
  --font-primary: 'Inter', sans-serif;
  --font-display: 'Playfair Display', serif; /* Новий шрифт для заголовків */
  --clr-bg: #2C2B2A; /* Теплий темний */
  --clr-surface: #3E3C3B; /* Теплий світліший */
  --clr-text-light: #F2F0ED; /* Кремовий білий */
  --clr-text-dark: #2C2B2A;
  --clr-primary: #E87A5D; /* Теплий теракотовий */
  --clr-accent: #60A391; /* Приглушений зелений */
  --radius: 12px; /* Більш м'які кути */
  --transition: 0.3s ease-out;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-primary);
  background-color: var(--clr-bg);
  color: var(--clr-text-light);
  line-height: 1.7;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
input, textarea, button { font: inherit; }

/* ===== ДОПОМІЖНІ КЛАСИ ===== */
.container { width: min(90%, 1100px); margin-inline: auto; }
.flex { display: flex; align-items: center; }
.between { justify-content: space-between; }
.center { align-items: center; }
.gap-l { gap: 2.5rem; }
.gap-m { gap: 1.5rem; }
.wrap { flex-wrap: wrap; }
.dark { background-color: var(--clr-bg); color: var(--clr-text-light); }
.light { background-color: #F2F0ED; color: var(--clr-text-dark); } /* Використовуємо кремовий для світлих секцій */

/* ===== HEADER ===== */
.cc-header { padding: 1.5rem 0; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
.brand-img { max-width: 160px; }
.primary-nav a { font-weight: 600; transition: color var(--transition); opacity: 0.8; }
.primary-nav a:hover { color: var(--clr-primary); opacity: 1; }

/* ===== HERO ===== */
.hero { padding: 9rem 0; text-align: left; }
.hero__title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 8vw, 6.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -1px;
}
.hero .gradient {
  background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ===== СЕКЦІЇ ЗАГАЛОМ ===== */
.section { padding: 6rem 0; }
.section__title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  margin-bottom: 3.5rem;
  text-align: center;
}

/* ===== ABOUT & LOGO SHOWCASE ===== */
.about { padding: 6rem 0; text-align: center; background-color: var(--clr-surface); }
.about__text {
  max-width: 65ch;
  margin-inline: auto;
  font-size: 1.2rem;
  line-height: 1.8;
}
.logo-showcase { margin-top: 4rem; display: flex; justify-content: center; }
.logo-xl { max-width: 120px; opacity: 0.4; filter: invert(1); }

/* ===== SERVICES & CASES ===== */
.services.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}
.service-card {
  background-color: var(--clr-surface);
  padding: 2.5rem 2rem;
  border-radius: var(--radius);
  transition: transform var(--transition), box-shadow var(--transition);
}
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}
.service-card h3 {
  font-family: var(--font-display);
  color: var(--clr-primary);
  margin-bottom: 0.75rem;
  font-size: 1.4rem;
}
.cases-grid {
  display: grid;
  gap: 1.5rem;
}
.case-item {
  background-color: #fff;
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid #E0DCD5;
}
.case-item h4 { font-family: var(--font-display); font-size: 1.5rem; margin-bottom: 0.5rem; color: var(--clr-primary); }

/* ===== FORMS ===== */
.forms { padding: 6rem 0; background-color: #F2F0ED; color: var(--clr-text-dark); }
.forms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  justify-content: center;
}
.form-block {
  background-color: #fff;
  padding: 2.5rem;
  border-radius: var(--radius);
  border: 1px solid #E0DCD5;
}
.form-title { font-family: var(--font-display); font-size: 1.1rem; color: var(--clr-accent); margin-bottom: 0.25rem; }
.form-subtitle { font-family: var(--font-display); font-size: 1.8rem; font-weight: 700; margin-bottom: 2rem; }
.contact-form { display: grid; gap: 1rem; }
.contact-form input, .contact-form textarea {
  width: 100%;
  padding: 1rem;
  border: 1px solid #ccc;
  border-radius: var(--radius);
  background-color: #F9F7F5;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.contact-form input:focus, .contact-form textarea:focus {
  outline: none;
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(232, 122, 93, 0.2);
}
.contact-form textarea { resize: vertical; min-height: 100px; }
.btn {
  background-color: var(--clr-primary);
  color: #fff;
  font-weight: 700;
  border: none;
  padding: 1.1rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color var(--transition), transform var(--transition);
}
.btn:hover { background-color: #D46A4D; transform: translateY(-2px); }

/* File upload button */
.file-upload {
  background-color: #F9F7F5;
  border: 2px dashed #ccc;
  border-radius: var(--radius);
  padding: 1rem;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition);
}
.file-upload:hover { border-color: var(--clr-accent); color: var(--clr-accent); }
.file-upload input[type="file"] { display: none; }

/* ===== FOOTER ===== */
.footer { padding: 4rem 0; text-align: center; }
.footer__title { font-family: var(--font-display); font-size: 2rem; font-weight: 700; margin-bottom: 1.5rem; }
.offices { justify-content: center; }
.copyright { margin-top: 3rem; opacity: 0.6; }