:root {
  --green: #2e7d32;
  --green-mid: #388e3c;
  --green-light: #eaf4ea;
  --green-dark: #1b5e20;
  --accent: #66bb6a;
  --grey: #f7f7f7;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #d9e2d9;
  --white: #ffffff;
  --shadow: 0 8px 28px rgba(46,125,50,.09);
  --radius: 16px;
}

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

body {
  font-family: 'DM Sans', sans-serif;
  color: var(--text);
  background: #f4f8f4;
  min-height: 100vh;
}

/* ── HERO ── */
.hero {
  background: linear-gradient(160deg, #e8f5e9 0%, #f1f8e9 50%, #ffffff 100%);
  padding: 52px 20px 32px;
  text-align: center;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 0%, rgba(102,187,106,.15), transparent);
  pointer-events: none;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--green-light); border: 1px solid #b8d9b8;
  color: var(--green-dark); font-size: 13px; font-weight: 600;
  border-radius: 99px; padding: 5px 14px; margin-bottom: 18px;
  letter-spacing: .3px;
}
.hero h1 {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(26px, 4vw, 42px);
  color: var(--green-dark);
  line-height: 1.18;
  margin-bottom: 12px;
}
.hero p {
  font-size: 17px; color: var(--muted); max-width: 560px; margin: 0 auto;
}
.hero-stats {
  display: flex; justify-content: center; gap: 36px;
  margin-top: 28px; flex-wrap: wrap;
}
.stat { font-size: 13px; color: var(--muted); }
.stat strong { display: block; font-size: 20px; font-weight: 700; color: var(--green); }

/* ── LAYOUT ── */
.container-booking {
  max-width: 1200px;
  margin: 32px auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 28px;
  align-items: start;
}

/* ── CARD ── */
.booking-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}
.card-title {
  font-size: 17px; font-weight: 700; margin-bottom: 20px;
  display: flex; align-items: center; gap: 10px;
}
.step-num {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--green); color: #fff;
  font-size: 13px; font-weight: 700;
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  padding-bottom: 3px;
}

/* ── OPTION GRID ── */
.options-booking-grid {
  display: grid;
  gap: 12px;
}
.options-booking-grid.col-4 { grid-template-columns: repeat(4, 1fr); }
.options-booking-grid.col-3 { grid-template-columns: repeat(3, 1fr); }
.options-booking-grid.col-5 { grid-template-columns: repeat(5, 1fr); }

.opt {
  border: 1.5px solid var(--border);
  border-radius: 13px;
  padding: 16px 10px;
  text-align: center;
  cursor: pointer;
  background: var(--white);
  transition: all .18s ease;
  font-size: 14px; font-weight: 500;
  user-select: none;
}
.opt:hover { border-color: var(--accent); background: #f6fbf6; }
.opt.active {
  border: 2px solid var(--green);
  background: var(--green-light);
  color: var(--green-dark);
}
.opt .opt-icon { font-size: 22px; margin-bottom: 6px; display: block; }
.opt .opt-sub { font-size: 12px; color: var(--muted); margin-top: 4px; display: block; line-height: 1.3; }
.opt.active .opt-sub { color: #3a6e3a; }
.badge-pop {
  display: inline-block; background: var(--green); color: #fff;
  font-size: 10px; font-weight: 700; border-radius: 99px;
  padding: 2px 8px; margin-bottom: 5px; letter-spacing: .3px;
}
.badge-quote {
  display: inline-block; background: #fff3e0; color: #e65100;
  font-size: 10px; font-weight: 700; border-radius: 99px;
  padding: 2px 8px; margin-bottom: 5px;
}

/* ── SIZE SELECTOR ── */
.size-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.size-card {
  border: 1.5px solid var(--border); border-radius: 14px;
  padding: 20px 14px; text-align: center; cursor: pointer;
  background: var(--white); transition: all .18s;
}
.size-card:hover { border-color: var(--accent); }
.size-card.active { border: 2px solid var(--green); background: var(--green-light); }
.size-card .size-label { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.size-card .size-range { font-size: 12px; color: var(--muted); }
.size-card .size-price { font-size: 13px; font-weight: 600; color: var(--green); margin-top: 8px; }

/* ── COUNTER ── */
.counter { display: flex; align-items: center; gap: 24px; margin-top: 4px; }
.counter-btn {
  width: 44px; height: 44px; border-radius: 50%;
  border: 1.5px solid var(--border); background: var(--white);
  font-size: 22px; cursor: pointer; display: flex;
  align-items: center; justify-content: center;
  transition: all .15s; font-weight: 300;
}
.counter-btn:hover { border-color: var(--green); color: var(--green); }
.counter-val { font-size: 24px; font-weight: 700; min-width: 80px; }
.counter-note { font-size: 13px; color: var(--muted); margin-top: 10px; }

/* ── AGENTS ── */
.agents-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.agent {
  border: 1.5px solid var(--border); border-radius: 14px;
  padding: 18px 12px; text-align: center; cursor: pointer;
  background: var(--white); transition: all .18s;
}
.agent:hover { border-color: var(--accent); }
.agent.active { border: 2px solid var(--green); background: var(--green-light); }
.agent-avatar {
  width: 52px; height: 52px; border-radius: 50%;
  background: var(--green-light); margin: 0 auto 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
}
.agent strong { display: block; font-size: 14px; font-weight: 700; }
.agent .agent-sub { font-size: 12px; color: var(--muted); margin-top: 3px; line-height: 1.4; }

/* ── EXTRAS ── */
.extras-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.extra {
  border: 1.5px solid var(--border); border-radius: 13px;
  padding: 16px 10px; text-align: center; cursor: pointer;
  background: var(--white); transition: all .18s; font-size: 13px; font-weight: 500;
}
.extra:hover { border-color: var(--accent); }
.extra.active { border: 2px solid var(--green); background: var(--green-light); }
.extra .extra-icon { font-size: 20px; margin-bottom: 6px; display: block; }
.extra .extra-price { font-size: 11px; color: var(--muted); margin-top: 4px; display: block; }
.extra.active .extra-price { color: #3a6e3a; }

/* ── FORM ── */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
label { font-size: 13px; font-weight: 600; color: var(--text); }
input, select, textarea {
  display: block; width: 100%; margin-top: 6px;
  padding: 12px 14px;
  border: 1.5px solid var(--border); border-radius: 10px;
  font-size: 15px; font-family: 'DM Sans', sans-serif;
  color: var(--text); background: var(--white);
  transition: border-color .15s;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--green);
}
textarea { grid-column: span 2; min-height: 90px; resize: vertical; }

/* ── SUMMARY ── */
.summary { position: sticky; top: 24px; }
.summary-title {
  font-family: 'DM Serif Display', serif;
  font-size: 20px; margin-bottom: 18px;
}
.summary-row {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 10px; padding: 12px 0; border-bottom: 1px solid #eef3ee;
  font-size: 14px;
}
.summary-row span { color: var(--muted); flex-shrink: 0; }
.summary-row strong { text-align: right; word-break: break-word; }
.total-line {
  padding-top: 18px; display: flex;
  justify-content: space-between; align-items: center;
}
.total-label { font-size: 15px; font-weight: 600; }
.total-val { font-size: 26px; font-weight: 700; color: var(--green); }
.total-sub { font-size: 12px; color: var(--muted); text-align: right; margin-top: 2px; }
.btn-book {
  display: block; width: 100%;
  background: var(--green); color: #fff;
  border: none; border-radius: 14px;
  padding: 16px 20px; font-size: 17px; font-weight: 700;
  cursor: pointer; margin-top: 18px;
  font-family: 'DM Sans', sans-serif;
  transition: background .2s, transform .15s;
  letter-spacing: .2px;
}
.btn-book:hover { background: var(--green-dark); transform: translateY(-1px); }
.btn-book:active { transform: translateY(0); }
.eco-note {
  background: var(--green-light); border-radius: 11px;
  padding: 12px 14px; margin-top: 14px;
  font-size: 13px; color: #2d5a2d; line-height: 1.5;
}
.quote-note {
  background: #fff8e1; border: 1px solid #ffe082; border-radius: 11px;
  padding: 12px 14px; margin-top: 12px;
  font-size: 13px; color: #7b4f00; line-height: 1.5;
  display: none;
}
.options-booking-grid {
  width: 100%;
}


/* ── HELPER ── */
.hint { font-size: 12px; color: var(--muted); margin-top: 10px; }

/* ── RESPONSIVE ── */
@media (max-width: 1000px) {
  .container-booking { grid-template-columns: 1fr; }
  .summary { position: static; }
  .options-booking-grid.col-4 { grid-template-columns: 1fr 1fr; }
  .options-booking-grid.col-5 { grid-template-columns: repeat(3, 1fr); }
  .extras-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 680px) {
  .options-booking-grid.col-4, .options-booking-grid.col-5 { grid-template-columns: 1fr 1fr; }
  .options-booking-grid.col-3 { grid-template-columns: 1fr 1fr; }
  .size-cards { grid-template-columns: 1fr; }
  .agents-grid { grid-template-columns: 1fr 1fr; }
  .extras-grid { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  textarea { grid-column: span 1; }
  .hero-stats { gap: 20px; }
}
@media (max-width: 420px) {
  .extras-grid { grid-template-columns: 1fr; }
  .agents-grid { grid-template-columns: 1fr; }
}