@import url("https://cdnjs.cloudflare.com/ajax/libs/vazirmatn/33.0.3/Vazirmatn-font-face.css");

:root {
  --navy: #0B1320;
  --graphite: #1F2937;
  --water: #0EA5E9;
  --emergency: #F97316;
  --success: #22C55E;
  --surface: #F8FAFC;
  --ink: #111827;
  --border: #E2E8F0;
  --radius: 1.1rem;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Vazirmatn", Tahoma, sans-serif;
  background: var(--surface);
  color: var(--ink);
  direction: rtl;
  line-height: 1.8;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 1rem; }
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .7rem 1.4rem; border-radius: 999px; font-weight: 600; font-size: .92rem;
  border: none; cursor: pointer; transition: .15s;
}
.btn-navy { background: var(--navy); color: #fff; }
.btn-navy:hover { background: var(--graphite); }
.btn-emergency { background: var(--emergency); color: #fff; }
.btn-emergency:hover { background: #ea580c; }
.btn-outline { background: #fff; color: var(--navy); border: 1px solid var(--border); }
.btn-outline:hover { border-color: var(--water); color: var(--water); }
.btn-water { background: var(--water); color: #fff; }
.btn-sm { padding: .4rem .9rem; font-size: .82rem; }
.btn-block { width: 100%; justify-content: center; }

/* header */
.site-header { position: sticky; top: 0; z-index: 40; background: rgba(255,255,255,.92); backdrop-filter: blur(6px); border-bottom: 1px solid var(--border); }
.site-header .row { display: flex; align-items: center; justify-content: space-between; height: 4rem; }
.brand { display: flex; align-items: center; gap: .5rem; font-weight: 800; font-size: 1.15rem; color: var(--navy); }
.brand .logo { width: 2.3rem; height: 2.3rem; border-radius: .9rem; background: linear-gradient(135deg,#0B1320,#1F2937 55%,#0EA5E9 130%); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; }
.nav-links { display: flex; align-items: center; gap: 1.5rem; }
.nav-links a { font-size: .9rem; font-weight: 600; color: var(--graphite); }
.nav-links a:hover { color: var(--water); }
.header-actions { display: flex; align-items: center; gap: .6rem; }
.nav-toggle { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--navy); }
.mobile-nav { display: none; border-top: 1px solid var(--border); background: #fff; padding: 1rem; }
.mobile-nav.open { display: block; }
.mobile-nav a { display: block; padding: .6rem .3rem; font-weight: 600; color: var(--graphite); }
@media (max-width: 960px) {
  .nav-links, .header-actions.desktop { display: none; }
  .nav-toggle { display: block; }
}

/* emergency bar */
.emergency-bar { background: var(--emergency); color: #fff; text-align: center; font-size: .85rem; padding: .5rem 1rem; font-weight: 600; }
.emergency-bar a { text-decoration: underline; }

/* hero */
.hero { position: relative; overflow: hidden; background: linear-gradient(135deg,#0B1320 0%,#1F2937 55%,#0EA5E9 130%); color: #fff; padding: 4.5rem 0 6.5rem; }
.hero h1 { font-size: 2.4rem; font-weight: 800; line-height: 1.5; margin: 0 0 1rem; }
.hero p { font-size: 1.05rem; color: #cbd5e1; max-width: 640px; margin: 0 0 2rem; }
.hero .actions { display: flex; gap: .8rem; flex-wrap: wrap; }
.hero-badges { display: flex; gap: 1.2rem; margin-top: 2.5rem; flex-wrap: wrap; }
.hero-badge { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.15); border-radius: 1rem; padding: .9rem 1.2rem; font-size: .85rem; }
.hero-badge b { display: block; font-size: 1.3rem; color: var(--water); }

/* ===== انیمیشن‌های آب و لوله‌کشی ===== */

/* حباب‌های شناور در پس‌زمینه‌ی هیرو */
.hero-bubbles { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
.hero-bubbles span {
  position: absolute; bottom: -3rem; display: block; border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.55), rgba(14,165,233,.08));
  animation: bubble-rise linear infinite;
}
.hero-bubbles span:nth-child(1) { left: 6%;  width: .6rem; height: .6rem; animation-duration: 7s;  animation-delay: 0s; }
.hero-bubbles span:nth-child(2) { left: 18%; width: 1rem;  height: 1rem;  animation-duration: 9s;  animation-delay: 1.2s; }
.hero-bubbles span:nth-child(3) { left: 32%; width: .5rem; height: .5rem; animation-duration: 6s;  animation-delay: .5s; }
.hero-bubbles span:nth-child(4) { left: 48%; width: 1.3rem; height: 1.3rem; animation-duration: 11s; animation-delay: 2s; }
.hero-bubbles span:nth-child(5) { left: 63%; width: .7rem; height: .7rem; animation-duration: 8s;  animation-delay: .8s; }
.hero-bubbles span:nth-child(6) { left: 77%; width: .9rem; height: .9rem; animation-duration: 10s; animation-delay: 1.6s; }
.hero-bubbles span:nth-child(7) { left: 90%; width: .5rem; height: .5rem; animation-duration: 7.5s; animation-delay: .3s; }
@keyframes bubble-rise {
  0%   { transform: translateY(0) translateX(0); opacity: 0; }
  10%  { opacity: .8; }
  90%  { opacity: .5; }
  100% { transform: translateY(-26rem) translateX(1rem); opacity: 0; }
}

/* موج آب پایین بخش هیرو */
.hero-wave { position: absolute; bottom: -1px; right: 0; left: 0; line-height: 0; z-index: 1; }
.hero-wave svg { width: 100%; height: 4rem; display: block; }
.hero-wave .wave-back { fill: rgba(14,165,233,.35); animation: wave-move 14s linear infinite; }
.hero-wave .wave-front { fill: var(--surface); animation: wave-move 9s linear infinite reverse; }
@keyframes wave-move {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-25%); }
}

/* آیکون قطره‌ی آب چکان، برای بخش «چرا ما» و جاهای مشابه */
.drop-icon { position: relative; display: inline-flex; }
.drop-icon::after {
  content: ''; position: absolute; top: 100%; right: 50%; width: .3rem; height: .3rem;
  background: var(--water); border-radius: 0 50% 50% 50%; transform: translateX(50%) rotate(45deg);
  animation: drop-fall 2.4s ease-in infinite;
  opacity: 0;
}
@keyframes drop-fall {
  0%   { opacity: 0; top: 100%; }
  15%  { opacity: .9; }
  70%  { opacity: .6; top: 175%; }
  71%  { opacity: 0; }
  100% { opacity: 0; top: 100%; }
}

/* چرخش ملایم آچار روی کارت خدمات هنگام هاور - حس لوله‌کشی/تعمیر */
.icon-box { transition: transform .35s ease; }
.card:hover .icon-box { animation: wrench-turn .5s ease; }
@keyframes wrench-turn {
  0%   { transform: rotate(0deg); }
  30%  { transform: rotate(-18deg); }
  60%  { transform: rotate(12deg); }
  100% { transform: rotate(0deg); }
}

/* ظاهر شدن تدریجی سکشن‌ها هنگام اسکرول */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in-view { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .hero-bubbles span, .hero-wave .wave-back, .hero-wave .wave-front, .drop-icon::after, .card:hover .icon-box { animation: none !important; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* sections */
section.sec { padding: 3.5rem 0; }
.sec-head { text-align: center; max-width: 620px; margin: 0 auto 2.5rem; }
.sec-head .eyebrow { color: var(--water); font-weight: 700; font-size: .85rem; }
.sec-head h2 { font-size: 1.85rem; font-weight: 800; margin: .4rem 0 .7rem; color: var(--navy); }
.sec-head p { color: #64748b; }

.grid { display: grid; gap: 1.4rem; }
.grid-3 { grid-template-columns: repeat(3,1fr); }
.grid-2 { grid-template-columns: repeat(2,1fr); }
.grid-4 { grid-template-columns: repeat(4,1fr); }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 600px) { .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; } }

.card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 1.6rem; box-shadow: 0 10px 30px -18px rgba(11,19,32,.15); }
.card:hover { border-color: #bae6fd; }
.icon-box { width: 3rem; height: 3rem; border-radius: .9rem; background: #E0F2FE; color: var(--water); display: flex; align-items: center; justify-content: center; font-size: 1.4rem; margin-bottom: 1rem; }
.badge { display: inline-flex; align-items: center; gap: .3rem; padding: .25rem .7rem; border-radius: 999px; font-size: .75rem; font-weight: 700; }
.badge-water { background: #E0F2FE; color: #0369A1; }
.badge-emergency { background: #FFEDD5; color: #C2410C; }
.badge-success { background: #DCFCE7; color: #15803D; }
.badge-gray { background: #F1F5F9; color: #475569; }

.price-tag { font-weight: 800; color: var(--navy); }

/* forms */
.form-group { margin-bottom: 1.1rem; }
.form-group label { display: block; font-weight: 700; font-size: .88rem; margin-bottom: .4rem; color: var(--graphite); }
.form-control {
  width: 100%; padding: .7rem .9rem; border: 1px solid var(--border); border-radius: .7rem;
  font-family: inherit; font-size: .92rem; background: #fff; color: var(--ink);
}
.form-control:focus { outline: 2px solid var(--water); border-color: transparent; }
textarea.form-control { min-height: 110px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }
.alert { padding: .9rem 1.1rem; border-radius: .8rem; margin-bottom: 1.2rem; font-size: .9rem; font-weight: 600; }
.alert-success { background: #DCFCE7; color: #166534; }
.alert-error { background: #FEE2E2; color: #991B1B; }
.alert-info { background: #E0F2FE; color: #075985; }

/* footer */
.site-footer { background: var(--navy); color: #cbd5e1; padding: 3.5rem 0 1.5rem; margin-top: 4rem; }
.site-footer h4 { color: #fff; font-size: 1rem; margin-bottom: 1rem; }
.site-footer a { color: #94a3b8; display: block; padding: .3rem 0; font-size: .88rem; }
.site-footer a:hover { color: var(--water); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 2.5rem; padding-top: 1.5rem; text-align: center; font-size: .8rem; color: #64748b; }

/* floating buttons */
.floating-actions { position: fixed; bottom: 1.3rem; left: 1.3rem; z-index: 50; display: flex; flex-direction: column; gap: .7rem; }
.fab { width: 3.2rem; height: 3.2rem; border-radius: 999px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1.3rem; box-shadow: 0 10px 25px -8px rgba(0,0,0,.4); }
.fab-call { background: var(--navy); }
.fab-whatsapp { background: #25D366; }

/* tables (admin) */
table.tbl { width: 100%; border-collapse: collapse; background: #fff; border-radius: .8rem; overflow: hidden; }
table.tbl th, table.tbl td { padding: .75rem 1rem; text-align: right; font-size: .88rem; border-bottom: 1px solid var(--border); white-space: nowrap; }
table.tbl th { background: var(--surface); font-weight: 700; color: var(--graphite); }
table.tbl tr:hover td { background: #f8fbff; }
.table-responsive { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: .8rem; }
.table-responsive table.tbl { border-radius: 0; }

/* admin layout */
.admin-wrap { display: flex; min-height: 100vh; }
.admin-sidebar { width: 240px; background: var(--navy); color: #cbd5e1; flex-shrink: 0; padding: 1.2rem 1rem; overflow-y: auto; }
.admin-sidebar .brand { color: #fff; margin-bottom: 1.5rem; padding: 0 .3rem; display: flex; align-items: center; justify-content: space-between; }
.admin-sidebar a { display: flex; align-items: center; gap: .6rem; padding: .65rem .8rem; border-radius: .6rem; font-size: .88rem; font-weight: 600; color: #cbd5e1; margin-bottom: .15rem; }
.admin-sidebar a:hover, .admin-sidebar a.active { background: rgba(255,255,255,.08); color: #fff; }
.admin-main { flex: 1; min-width: 0; }
.admin-topbar { position: sticky; top: 0; z-index: 30; background: #fff; border-bottom: 1px solid var(--border); padding: 1rem 1.5rem; display: flex; justify-content: space-between; align-items: center; gap: .8rem; }
.admin-content { padding: 1.5rem; }
.stat-card { background: #fff; border: 1px solid var(--border); border-radius: 1rem; padding: 1.3rem; }
.stat-card .num { font-size: 1.8rem; font-weight: 800; color: var(--navy); }
.stat-card .label { font-size: .82rem; color: #64748b; margin-top: .2rem; }

/* hamburger toggle (hidden on desktop) */
.sidebar-toggle { display: none; background: transparent; border: 0; font-size: 1.4rem; line-height: 1; padding: .3rem .5rem; cursor: pointer; color: var(--navy); }
.sidebar-close { display: none; background: transparent; border: 0; color: #cbd5e1; font-size: 1.3rem; cursor: pointer; }
.sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(11,19,32,.55); z-index: 39; }

@media (max-width: 860px) {
  .admin-wrap { position: relative; }
  .sidebar-toggle { display: inline-flex; align-items: center; }
  .sidebar-close { display: inline-block; }
  .admin-sidebar {
    position: fixed; inset-block: 0; right: 0; z-index: 45; width: 78%; max-width: 300px;
    transform: translateX(100%); transition: transform .25s ease; box-shadow: -8px 0 24px rgba(0,0,0,.25);
  }
  .admin-wrap.sidebar-open .admin-sidebar { transform: translateX(0); }
  .admin-wrap.sidebar-open .sidebar-overlay { display: block; }
  .admin-topbar { padding: .8rem 1rem; }
  .admin-content { padding: 1rem; }
  .admin-topbar > div:last-child { font-size: .75rem; }
  table.tbl th, table.tbl td { padding: .6rem .7rem; font-size: .82rem; }
  .toolbar { align-items: stretch; }
  .toolbar > * { flex: 1 1 auto; }
}
.toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.2rem; flex-wrap: wrap; gap: .8rem; }
.pagination { display: flex; gap: .4rem; margin-top: 1.2rem; flex-wrap: wrap; }
.pagination a, .pagination span { padding: .4rem .8rem; border-radius: .5rem; border: 1px solid var(--border); font-size: .82rem; background: #fff; }
.pagination .active { background: var(--navy); color: #fff; border-color: var(--navy); }

.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg,#0B1320,#1F2937); padding: 1rem; }
.login-box { background: #fff; border-radius: 1.2rem; padding: 2.5rem; width: 100%; max-width: 380px; }
@media (max-width: 480px) { .login-box { padding: 1.6rem; } }

.invoice-box { background: #fff; border: 1px solid var(--border); border-radius: 1rem; padding: 2rem; max-width: 720px; margin: 0 auto; }
.invoice-box table { width: 100%; border-collapse: collapse; margin: 1.2rem 0; }
.invoice-box table th, .invoice-box table td { padding: .6rem; border-bottom: 1px solid var(--border); font-size: .88rem; text-align: right; }
@media (max-width: 600px) {
  .invoice-box { padding: 1.1rem; border-radius: .7rem; }
  .invoice-box table th, .invoice-box table td { padding: .4rem; font-size: .78rem; }
}
@media print {
  .site-header, .site-footer, .floating-actions, .no-print { display: none !important; }
  .invoice-box { border: none; padding: 0; }
  @page { size: A4; margin: 14mm; }
}