/* styles.css */

/* --- Змінні та База --- */
:root {
  --bg-color: #0f172a;        /* Темно-синій фон (Slate 900) */
  --card-bg: #1e293b;         /* Трохи світліший для карток (Slate 800) */
  --text-main: #f1f5f9;       /* Майже білий текст */
  --text-muted: #94a3b8;      /* Сірий текст */
  --accent: #3b82f6;          /* Яскраво-синій (Blue 500) */
  --accent-hover: #2563eb;    /* Темно-синій для ховера */
  --border: #334155;          /* Колір рамок */
  --danger: #ef4444;          /* Червоний для помилок */
  --success: #10b981;         /* Зелений */
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.2s;
}

ul, ol {
  padding-left: 1.5rem;
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* --- Header --- */
.site-header {
  background-color: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 15px 0;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.logo {
  font-size: 32px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-text strong {
  font-size: 1.1rem;
  letter-spacing: -0.5px;
}

.brand-text span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --- Navigation --- */
.nav {
  display: flex;
  gap: 25px;
}

.nav a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.nav a:hover, .nav a.active {
  color: var(--accent);
}

.menu-btn {
  display: none; /* Приховано на десктопі */
  background: none;
  border: 1px solid var(--border);
  color: var(--text-main);
  padding: 8px 12px;
  border-radius: 6px;
  cursor: pointer;
}

/* --- Hero Section --- */
.hero {
  padding: 60px 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr; /* Ліва частина ширша */
  gap: 40px;
  align-items: start;
}

.badge {
  display: inline-block;
  background-color: rgba(59, 130, 246, 0.1);
  color: var(--accent);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
  border: 1px solid rgba(59, 130, 246, 0.2);
}

h1 {
  font-size: 2.8rem;
  line-height: 1.1;
  margin: 0 0 20px 0;
  letter-spacing: -1px;
}

h2 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
}

h3 {
  margin: 0 0 10px 0;
  font-size: 1.2rem;
}

.hero p {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 500px;
  margin-bottom: 30px;
}

/* --- Buttons --- */
.btn-row {
  display: flex;
  gap: 15px;
  margin-bottom: 40px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.btn.primary {
  background-color: var(--accent);
  color: white;
  box-shadow: 0 4px 14px 0 rgba(59, 130, 246, 0.4);
}

.btn.primary:hover {
  background-color: var(--accent-hover);
  transform: translateY(-1px);
}

.btn.ghost {
  background-color: transparent;
  border: 1px solid var(--border);
  color: var(--text-main);
}

.btn.ghost:hover {
  border-color: var(--text-muted);
  background-color: rgba(255,255,255, 0.05);
}

/* --- KPIs --- */
.kpis {
  display: flex;
  gap: 30px;
  border-top: 1px solid var(--border);
  padding-top: 30px;
}

.kpi strong {
  display: block;
  font-size: 1.5rem;
  color: var(--text-main);
}

.kpi span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* --- Cards & Grid --- */
.section {
  padding: 60px 0;
  border-top: 1px solid var(--border);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
}

.card {
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 25px;
  transition: transform 0.2s, border-color 0.2s;
}

.card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.card p {
  color: var(--text-muted);
  margin: 0;
  font-size: 0.95rem;
}

.muted {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.note {
  background: rgba(16, 185, 129, 0.1); /* Зеленуватий фон */
  color: var(--success);
  padding: 12px;
  border-radius: 6px;
  font-size: 0.9rem;
  margin-top: 15px;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

/* --- Recipe / Instruction Card --- */
.recipe {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.recipe ul li {
  margin-bottom: 8px;
  color: var(--text-muted);
}

.recipe ol li {
  margin-bottom: 12px;
  color: var(--text-main);
}

/* --- Footer --- */
.site-footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  margin-top: 40px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
}

.footer-inner a:hover {
  text-decoration: underline;
}

/* --- Mobile / Responsive --- */
@media (max-width: 768px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  
  .recipe {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .menu-btn {
    display: block;
  }

  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-color);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 20px;
    gap: 15px;
  }

  .nav.open {
    display: flex;
  }

  h1 {
    font-size: 2rem;
  }
}