/* ===== Variables ===== */
:root {
  --navy: #0f2942;
  --navy-2: #16344f;
  --navy-deep: #0a1f33;
  --gold: #c8a45c;
  --gold-2: #b6924a;
  --ink: #23303f;
  --muted: #5c6b7a;
  --gold-deep: #9c7526;
  --line: #e6ddc9;
  --bg: #faf5ea;
  --bg-alt: #f1e9d6;
  --cream: #f1e9d6;
  --cream-deep: #ece2cd;
  --radius: 16px;
  --shadow: 0 18px 45px rgba(15, 41, 66, 0.12);
  --shadow-sm: 0 6px 18px rgba(15, 41, 66, 0.08);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, .logo-text { font-family: 'Playfair Display', Georgia, serif; }

.container { width: min(1140px, 92%); margin: 0 auto; }

a { color: inherit; text-decoration: none; }

svg { display: block; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--gold-2);
  font-family: 'Inter', sans-serif;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--gold); border-radius: 2px; }
.eyebrow.light { color: var(--gold); }
.section-head .eyebrow, .hero-copy .eyebrow { }

/* ===== Reveal on scroll ===== */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.services-grid .reveal:nth-child(2) { transition-delay: 0.08s; }
.services-grid .reveal:nth-child(3) { transition-delay: 0.16s; }
.services-grid .reveal:nth-child(4) { transition-delay: 0.08s; }
.services-grid .reveal:nth-child(5) { transition-delay: 0.16s; }
.services-grid .reveal:nth-child(6) { transition-delay: 0.24s; }
.testimonials .reveal:nth-child(2) { transition-delay: 0.1s; }
.testimonials .reveal:nth-child(3) { transition-delay: 0.2s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.5rem;
  border-radius: 11px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease), background 0.18s ease;
  font-family: 'Inter', sans-serif;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-lg { padding: 1rem 1.8rem; font-size: 1rem; }
.btn-block { width: 100%; }
.btn-gold { background: linear-gradient(180deg, var(--gold), var(--gold-2)); color: #fff; box-shadow: 0 8px 20px rgba(200,164,92,0.35); }
.btn-gold:hover { box-shadow: 0 12px 26px rgba(200,164,92,0.45); }
.btn-dark { background: var(--navy); color: #fff; }
.btn-dark:hover { background: var(--navy-2); }
.btn-ghost { background: transparent; color: var(--navy); border-color: rgba(15,41,66,0.18); }
.btn-ghost:hover { border-color: var(--navy); background: rgba(15,41,66,0.03); }
.hero .btn-ghost { color: #fff; border-color: rgba(255,255,255,0.35); }
.hero .btn-ghost:hover { border-color: var(--gold); color: var(--gold); background: rgba(255,255,255,0.04); }

/* ===== Header ===== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: box-shadow 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}
.site-header.scrolled { box-shadow: 0 6px 24px rgba(15,41,66,0.08); border-bottom-color: var(--line); background: rgba(255,255,255,0.95); backdrop-filter: blur(12px); }
.site-header:not(.scrolled) .logo-text { color: #fff; }
.site-header:not(.scrolled) .nav a:not(.nav-cta) { color: #eef2f6; }
.site-header:not(.scrolled) .nav a:not(.nav-cta):hover { color: var(--gold); }
.site-header:not(.scrolled) .nav-toggle span { background: #fff; }
section[id] { scroll-margin-top: 88px; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.logo { display: flex; align-items: center; gap: 0.7rem; }
.logo-mark {
  background: var(--navy); color: var(--gold);
  width: 44px; height: 44px; border-radius: 11px;
  display: grid; place-items: center;
  box-shadow: inset 0 0 0 1px rgba(200,164,92,0.25);
}
.logo-mark svg { width: 24px; height: 24px; }
.logo-text { font-size: 1.3rem; font-weight: 700; color: var(--navy); letter-spacing: 0.01em; }
.logo-text em { color: var(--gold-2); font-style: normal; }
.nav { display: flex; align-items: center; gap: 1.9rem; }
.nav a { font-size: 0.95rem; font-weight: 500; color: var(--ink); transition: color 0.15s; position: relative; }
.nav a:not(.nav-cta):hover { color: var(--gold-2); }
.nav a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; bottom: -6px; width: 0; height: 2px; background: var(--gold); transition: width 0.22s var(--ease); border-radius: 2px; }
.nav a:not(.nav-cta):hover::after { width: 100%; }
.nav-cta { color: #fff !important; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span { width: 26px; height: 2px; background: var(--navy); border-radius: 2px; transition: 0.25s var(--ease); }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Hero ===== */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1100px 520px at 85% -10%, rgba(200,164,92,0.20), transparent) center/cover no-repeat,
    linear-gradient(115deg, rgba(12,33,54,0.94) 0%, rgba(15,41,66,0.86) 52%, rgba(10,31,51,0.92) 100%) center/cover no-repeat,
    var(--navy-deep) url('img/hero.webp') center/cover no-repeat;
  padding: 7rem 0 5rem;
}
.hero::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 4px; background: linear-gradient(90deg, var(--gold-2), var(--gold), var(--gold-2)); }
.hero-watermark {
  position: absolute; right: -70px; bottom: -110px; width: 540px; height: 540px;
  color: var(--gold); opacity: 0.05; pointer-events: none;
}
.hero-watermark svg { width: 100%; height: 100%; }
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.4fr 0.9fr; gap: 3rem; align-items: center; }
.hero-copy h1 { font-size: clamp(2.1rem, 4.6vw, 3.5rem); line-height: 1.08; color: #fff; margin: 1rem 0 1.1rem; letter-spacing: -0.01em; }
.hero-copy h1 em, .hero-copy .accent { color: var(--gold); font-style: normal; }
.lead { font-size: 1.13rem; color: #c3d0dd; max-width: 46ch; }
.hero-actions { display: flex; gap: 1rem; margin: 1.9rem 0 2.3rem; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 2.4rem; border-top: 1px solid rgba(255,255,255,0.14); padding-top: 1.5rem; }
.hero-stats strong { display: block; font-size: 1.9rem; color: var(--gold); font-family: 'Playfair Display', serif; }
.hero-stats span { font-size: 0.85rem; color: #a9b8c7; }

.hero-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 2.1rem 1.9rem; box-shadow: var(--shadow); text-align: center;
  position: relative;
}
.hero-card::before { content: ""; position: absolute; inset: 0; border-radius: var(--radius); padding: 1px; background: linear-gradient(160deg, rgba(200,164,92,0.5), transparent 40%); -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0); -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none; }
.hero-card-badge {
  width: 64px; height: 64px; border-radius: 50%;
  background: linear-gradient(160deg, var(--navy), var(--navy-2)); color: var(--gold);
  display: grid; place-items: center; margin: 0 auto 1.1rem;
  box-shadow: 0 10px 24px rgba(15,41,66,0.25);
}
.hero-card-badge svg { width: 30px; height: 30px; }
.hero-card h3 { color: var(--navy); font-size: 1.32rem; margin-bottom: 0.6rem; }
.hero-card p { color: var(--muted); font-size: 0.96rem; margin-bottom: 1.3rem; }
.hero-card-foot { font-size: 0.8rem !important; color: var(--gold-2) !important; margin: 0.85rem 0 0 !important; font-weight: 500; }

/* ===== Trust bar ===== */
.trust-bar { background: linear-gradient(90deg, var(--gold-2), var(--gold) 50%, var(--gold-2)); color: #3a2e12; }
.trust-inner { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; padding: 0.85rem 0; font-size: 0.88rem; letter-spacing: 0.03em; font-weight: 600; }
.trust-inner .dot { color: rgba(58,46,18,0.45); }

/* ===== Sections ===== */
.section { padding: 5rem 0; }
.section-alt { background: var(--bg-alt); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 3rem; }
.section-head .eyebrow { justify-content: center; }
.section-head h2 { font-size: clamp(1.8rem, 3.3vw, 2.6rem); color: var(--navy); margin: 0.7rem 0 1.4rem; letter-spacing: -0.01em; position: relative; padding-bottom: 1.5rem; }
.section-head h2::after {
  content: ""; position: absolute; left: 50%; bottom: 0; transform: translateX(-50%);
  width: 128px; height: 9px;
  background:
    linear-gradient(var(--gold), var(--gold)) left center / 1px 9px no-repeat,
    linear-gradient(var(--gold), var(--gold)) right center / 1px 9px no-repeat,
    radial-gradient(circle, var(--gold) 2.6px, transparent 3px) center / 9px 9px no-repeat,
    linear-gradient(var(--gold), var(--gold)) center / 128px 1px no-repeat;
}
.section-sub { color: var(--muted); }

/* ===== Services ===== */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.service-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 2rem 1.7rem; transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease), border-color 0.22s;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(200,164,92,0.5); }
.service-icon {
  width: 56px; height: 56px; border-radius: 14px;
  background: rgba(200,164,92,0.12); color: var(--gold-2);
  display: grid; place-items: center; margin-bottom: 1.1rem;
  transition: background 0.22s var(--ease), color 0.22s var(--ease), transform 0.22s var(--ease);
}
.service-icon svg { width: 28px; height: 28px; }
.service-card:hover .service-icon { background: var(--navy); color: var(--gold); transform: rotate(-4deg); }
.service-card h3 { color: var(--navy); font-size: 1.26rem; margin-bottom: 0.5rem; }
.service-card p { color: var(--muted); font-size: 0.95rem; }

/* ===== About ===== */
.about-inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 3.2rem; align-items: center; }
.about-copy h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); color: var(--navy); margin: 0.7rem 0 1rem; }
.about-copy > p { color: var(--muted); margin-bottom: 1.4rem; }
.check-list { list-style: none; margin-bottom: 1.7rem; }
.check-list li { position: relative; padding-left: 2rem; margin-bottom: 0.8rem; color: var(--ink); }
.check-list li::before {
  content: "✓"; position: absolute; left: 0; top: 1px;
  width: 22px; height: 22px; background: var(--gold); color: #fff;
  border-radius: 50%; display: grid; place-items: center; font-size: 0.72rem; font-weight: 700;
}
.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1.3rem; }
.stat-box {
  background: linear-gradient(160deg, var(--navy-2), var(--navy-deep));
  border: 1px solid rgba(200,164,92,0.2); border-radius: var(--radius);
  padding: 1.8rem 1.2rem; text-align: center;
  box-shadow: 0 14px 32px rgba(15,41,66,0.18);
  transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease);
}
.stat-box:hover { transform: translateY(-5px); box-shadow: 0 20px 40px rgba(15,41,66,0.28); border-color: rgba(200,164,92,0.45); }
.stat-box strong { display: block; font-size: 2.3rem; color: var(--gold); font-family: 'Playfair Display', serif; line-height: 1; margin-bottom: 0.4rem; }
.stat-box span { font-size: 0.85rem; color: #b3c1cf; }

/* ===== Testimonials ===== */
.testimonials { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.testimonial {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.8rem 1.6rem; box-shadow: var(--shadow-sm); position: relative;
}
.testimonial::before { content: "“"; position: absolute; top: 0.4rem; right: 1.1rem; font-family: 'Playfair Display', serif; font-size: 4rem; color: rgba(200,164,92,0.18); line-height: 1; }
.stars { color: var(--gold); letter-spacing: 0.18em; margin-bottom: 0.8rem; font-size: 0.95rem; }
.testimonial p { color: var(--ink); font-style: italic; margin-bottom: 1.2rem; }
.testimonial footer { color: var(--muted); font-size: 0.88rem; font-weight: 600; display: flex; align-items: center; gap: 0.6rem; }
.t-avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--navy); color: var(--gold); display: grid; place-items: center; font-size: 0.75rem; font-weight: 700; font-family: 'Inter', sans-serif; letter-spacing: 0.02em; }

/* ===== Contact ===== */
.section-dark { background: linear-gradient(160deg, var(--navy), var(--navy-deep)); color: #e8eef4; position: relative; overflow: hidden; }
.contact-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 3.2rem; align-items: start; }
.contact-copy h2 { color: #fff; font-size: clamp(1.8rem, 3vw, 2.5rem); margin: 0.7rem 0 1rem; }
.contact-copy > p { color: #b9c6d4; margin-bottom: 1.5rem; }
.contact-list { list-style: none; margin-bottom: 1.7rem; }
.contact-list li { display: flex; align-items: center; gap: 0.8rem; margin-bottom: 0.9rem; color: #d7e0ea; }
.contact-list svg { width: 20px; height: 20px; color: var(--gold); flex-shrink: 0; }
.contact-form {
  background: #fff; border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow);
}
.field { margin-bottom: 1.05rem; }
.field label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--ink); margin-bottom: 0.4rem; }
.field input, .field select, .field textarea {
  width: 100%; padding: 0.75rem 0.9rem; border: 1px solid var(--line); border-radius: 10px;
  font-family: inherit; font-size: 0.95rem; color: var(--ink); background: #fff; resize: vertical;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(200,164,92,0.15); }
.form-note { text-align: center; margin-top: 1rem; font-size: 0.9rem; font-weight: 600; color: #1a7f43; min-height: 1.2rem; opacity: 0; transform: translateY(6px); transition: opacity 0.3s, transform 0.3s; }
.form-note.show { opacity: 1; transform: translateY(0); }

/* ===== Footer ===== */
.site-footer { background: var(--navy-deep); color: #9fb0c0; padding: 2.6rem 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.footer-logo { color: #fff; font-size: 1.25rem; }
.footer-logo em { color: var(--gold); font-style: normal; }
.footer-seal {
  width: 50px; height: 50px; border-radius: 50%;
  border: 1px solid var(--gold); color: var(--gold);
  display: grid; place-items: center; flex-shrink: 0;
  font-family: 'Playfair Display', serif; font-size: 1rem; letter-spacing: 0.04em;
  box-shadow: inset 0 0 0 4px rgba(200,164,92,0.14);
}
.site-footer p { font-size: 0.88rem; margin-top: 0.3rem; }
.footer-legal { font-size: 0.82rem; }

/* ===== Back to top ===== */
.to-top {
  position: fixed; bottom: 22px; left: 22px; z-index: 80;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--navy); color: #fff; border: none; cursor: pointer;
  display: grid; place-items: center;
  box-shadow: 0 10px 26px rgba(15,41,66,0.3);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity 0.25s, transform 0.25s, visibility 0.25s, background 0.2s;
}
.to-top svg { width: 22px; height: 22px; }
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--gold); }

/* ===== Chat FAB ===== */
.chat-fab {
  position: fixed; bottom: 22px; right: 22px; z-index: 90;
  display: flex; align-items: center; gap: 0.6rem;
  background: var(--navy); color: #fff; border: none; cursor: pointer;
  padding: 0.7rem 0.9rem 0.7rem 1.15rem; border-radius: 50px;
  box-shadow: 0 12px 30px rgba(15,41,66,0.35);
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease);
}
.chat-fab:hover { transform: translateY(-3px); box-shadow: 0 16px 38px rgba(15,41,66,0.45); }
.chat-fab-label { font-size: 0.9rem; font-weight: 600; }
.chat-fab-icon { display: grid; place-items: center; }
.chat-fab-icon svg { width: 24px; height: 24px; }
.chat-fab-dot {
  position: absolute; top: 5px; right: 7px; width: 12px; height: 12px;
  background: #2ecc71; border-radius: 50%; border: 2px solid var(--navy);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(46,204,113,0.6); }
  70% { box-shadow: 0 0 0 10px rgba(46,204,113,0); }
  100% { box-shadow: 0 0 0 0 rgba(46,204,113,0); }
}

/* ===== Chat window ===== */
.chat-window {
  position: fixed; bottom: 22px; right: 22px; z-index: 95;
  width: min(380px, calc(100vw - 32px)); height: min(560px, calc(100vh - 60px));
  background: #fff; border-radius: 20px; overflow: hidden;
  box-shadow: 0 24px 60px rgba(15,41,66,0.4);
  display: flex; flex-direction: column;
  opacity: 0; visibility: hidden; transform: translateY(20px) scale(0.98);
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0.25s;
}
.chat-window.open { opacity: 1; visibility: visible; transform: translateY(0) scale(1); }
.chat-header {
  background: linear-gradient(135deg, var(--navy), var(--navy-2));
  color: #fff; padding: 1rem 1.1rem; display: flex; align-items: center; justify-content: space-between;
}
.chat-header-info { display: flex; align-items: center; gap: 0.7rem; }
.chat-avatar { width: 42px; height: 42px; border-radius: 50%; background: rgba(255,255,255,0.1); color: var(--gold); display: grid; place-items: center; box-shadow: inset 0 0 0 1px rgba(200,164,92,0.3); }
.chat-avatar svg { width: 24px; height: 24px; }
.chat-header strong { display: block; font-size: 1rem; }
.chat-status { font-size: 0.78rem; color: #b9c6d4; display: flex; align-items: center; gap: 0.35rem; }
.chat-status i { width: 8px; height: 8px; border-radius: 50%; background: #2ecc71; display: inline-block; box-shadow: 0 0 0 3px rgba(46,204,113,0.2); }
.chat-close { background: none; border: none; color: #fff; font-size: 1.1rem; cursor: pointer; opacity: 0.8; line-height: 1; }
.chat-close:hover { opacity: 1; }

.chat-body { flex: 1; overflow-y: auto; padding: 1.1rem; background: var(--bg-alt); display: flex; flex-direction: column; gap: 0.75rem; }
.chat-body::-webkit-scrollbar { width: 6px; }
.chat-body::-webkit-scrollbar-thumb { background: #cdd6e0; border-radius: 6px; }
.msg { max-width: 82%; padding: 0.7rem 0.95rem; border-radius: 15px; font-size: 0.92rem; line-height: 1.5; animation: fadeIn 0.28s var(--ease); }
.msg-bot { background: #fff; border: 1px solid var(--line); color: var(--ink); align-self: flex-start; border-bottom-left-radius: 4px; box-shadow: 0 2px 6px rgba(15,41,66,0.04); }
.msg-user { background: var(--navy); color: #fff; align-self: flex-end; border-bottom-right-radius: 4px; }
.msg strong { color: inherit; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

.typing { display: inline-flex; gap: 4px; align-self: flex-start; background: #fff; border: 1px solid var(--line); padding: 0.8rem 1rem; border-radius: 15px; border-bottom-left-radius: 4px; }
.typing span { width: 7px; height: 7px; background: #b7c2cf; border-radius: 50%; animation: bounce 1.2s infinite; }
.typing span:nth-child(2) { animation-delay: 0.2s; }
.typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes bounce { 0%, 60%, 100% { transform: translateY(0); } 30% { transform: translateY(-5px); } }

.chat-quick { display: flex; flex-wrap: wrap; gap: 0.4rem; padding: 0 1.1rem 0.6rem; background: var(--bg-alt); }
.chat-quick button {
  background: #fff; border: 1px solid var(--gold); color: var(--gold-2);
  font-size: 0.82rem; font-weight: 600; padding: 0.42rem 0.85rem; border-radius: 50px; cursor: pointer;
  transition: background 0.15s, color 0.15s; font-family: inherit;
}
.chat-quick button:hover { background: var(--gold); color: #fff; }

.chat-input { display: flex; gap: 0.5rem; padding: 0.8rem; border-top: 1px solid var(--line); background: #fff; }
.chat-input input { flex: 1; border: 1px solid var(--line); border-radius: 50px; padding: 0.65rem 1rem; font-family: inherit; font-size: 0.92rem; }
.chat-input input:focus { outline: none; border-color: var(--gold); }
.chat-input button { background: var(--navy); color: #fff; border: none; width: 44px; height: 44px; border-radius: 50%; cursor: pointer; flex-shrink: 0; transition: background 0.15s; display: grid; place-items: center; }
.chat-input button svg { width: 19px; height: 19px; }
.chat-input button:hover { background: var(--gold); }

/* ===== Responsive ===== */
@media (max-width: 860px) {
  .nav { position: fixed; top: 74px; left: 0; right: 0; background: #fff; flex-direction: column; align-items: stretch; gap: 0; padding: 0.5rem 6%; border-bottom: 1px solid var(--line); box-shadow: var(--shadow); transform: translateY(-130%); transition: transform 0.3s var(--ease); }
  .nav.open { transform: translateY(0); }
  .nav a { padding: 0.9rem 0; border-bottom: 1px solid var(--line); }
  .nav a:not(.nav-cta)::after { display: none; }
  .nav-cta { text-align: center; margin: 0.7rem 0; border-radius: 10px; }
  .nav-toggle { display: flex; }
  .hero-inner, .about-inner, .contact-inner { grid-template-columns: 1fr; }
  .services-grid, .testimonials { grid-template-columns: 1fr; }
  .hero-stats { gap: 1.6rem; }
  .chat-fab-label { display: none; }
  .to-top { bottom: 80px; }
}