/* ==========================================================================
   تعمیرگاه [نام شما] — Stylesheet
   ساختار: متغیرها → پایه → چیدمان → هدر/ناوبری → دکمه‌ها → هیرو →
   بخش‌های محتوا → فرم تماس → فوتر → دکمه‌های شناور → ریسپانسیو → انیمیشن
   ========================================================================== */

:root {
  /* رنگ‌ها */
  --ink: #142236;
  --ink-2: #1b2c45;
  --teal: #0ea89c;
  --teal-dark: #0b8074;
  --teal-tint: #e7f6f5;
  --telegram: #229ed9;
  --coral: #e0502f;
  --coral-dark: #c8431f;
  --canvas: #f7f8f9;
  --panel: #edf2f4;
  --white: #ffffff;
  --text: #1b2530;
  --muted: #62707d;
  --border: #dce3e7;

  /* تایپوگرافی */
  --font: 'Vazirmatn', Tahoma, 'Segoe UI', Arial, sans-serif;

  /* چیدمان */
  --container: 1120px;
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --section-pad: 88px;
  --section-pad-mobile: 52px;
}

/* ===== پایه ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--canvas);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
button { font-family: inherit; cursor: pointer; background: none; border: none; }
input, select, textarea { font-family: inherit; font-size: 1rem; }
h1, h2, h3, h4 { margin: 0; line-height: 1.3; font-weight: 700; color: var(--ink); }
p { margin: 0; }

:focus-visible {
  outline: 2px solid var(--teal-dark);
  outline-offset: 3px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* ===== چیدمان کلی ===== */
.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}
.section { padding-block: var(--section-pad-mobile); }
@media (min-width: 768px) {
  .section { padding-block: var(--section-pad); }
}
.section--alt { position: relative; }
.section--alt::before {
  content: '';
  position: absolute;
  inset: 0;
  background-color: var(--panel);
  background-image: radial-gradient(circle, rgba(20,34,54,0.07) 1px, transparent 1px);
  background-size: 22px 22px;
  clip-path: polygon(0 100%, 100% 100%, 100% 0, 0 32px);
  z-index: 0;
}
.section--alt > .container { position: relative; z-index: 1; }
.section-head {
  max-width: 640px;
  margin-block-end: 40px;
}
.section-head p {
  color: var(--muted);
  margin-block-start: 12px;
  font-size: 1.05rem;
}
.section-title {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
}
.text-center { text-align: center; margin-inline: auto; }

/* ===== هدر و ناوبری ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(247, 248, 249, 0.92);
  backdrop-filter: blur(8px);
  border-block-end: 1px solid var(--border);
}
.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 16px;
}
.logo {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--ink);
  white-space: nowrap;
}
.logo span { color: var(--teal-dark); }

.nav-list {
  display: none;
  align-items: center;
  gap: 28px;
  font-weight: 500;
}
.nav-list a { padding-block: 6px; border-bottom: 2px solid transparent; }
.nav-list a:hover, .nav-list a.is-active { border-color: var(--teal); color: var(--teal-dark); }
.mobile-drawer a.is-active { color: var(--teal-dark); }

.header-actions { display: flex; align-items: center; gap: 12px; }
.header-phone {
  display: none;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
}
.header-phone i { color: var(--teal-dark); }

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-size: 1.1rem;
  color: var(--ink);
}
.nav-toggle .fa-xmark { display: none; }
.nav-toggle.is-open .fa-bars { display: none; }
.nav-toggle.is-open .fa-xmark { display: inline; }

.mobile-drawer {
  display: none;
  border-block-end: 1px solid var(--border);
  background: var(--white);
}
.mobile-drawer.is-open { display: block; }
.mobile-drawer ul { padding: 8px 24px 20px; display: flex; flex-direction: column; gap: 4px; }
.mobile-drawer a {
  display: block;
  padding: 12px 4px;
  font-weight: 500;
  border-bottom: 1px solid var(--border);
}
.mobile-drawer li:last-child a { border-bottom: none; }

@media (min-width: 900px) {
  .nav-list { display: flex; }
  .header-phone { display: flex; }
  .nav-toggle { display: none; }
  .mobile-drawer { display: none !important; }
}

/* ===== دکمه‌ها ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, #eb6a45 0%, var(--coral) 60%, var(--coral-dark) 100%);
  color: var(--white);
  box-shadow: 0 10px 24px -10px rgba(224, 80, 47, 0.55);
}
.btn-primary:hover { background: var(--coral-dark); }
.btn-outline {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--ink);
}
.btn-outline:hover { background: var(--ink); color: var(--white); }
.btn-ghost-teal {
  background: var(--teal-tint);
  color: var(--teal-dark);
}
.btn-ghost-teal:hover { background: var(--teal); color: var(--white); }
.btn-block { width: 100%; }
.btn-sm { padding: 10px 18px; font-size: 0.92rem; }

/* ===== هیرو ===== */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: 64px 56px;
  background: radial-gradient(ellipse 900px 480px at 50% -10%, rgba(14,168,156,0.12), transparent 65%);
}
@media (min-width: 768px) {
  .hero { padding-block: 96px 80px; }
}
.hero-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.14;
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin-inline: auto;
  text-align: center;
}
.hero-title {
  font-size: clamp(1.9rem, 5vw, 3.1rem);
  font-weight: 800;
  line-height: 1.25;
  animation: reveal 0.7s ease-out both;
}
.hero-title .accent-text { color: var(--teal-dark); }
.pulse-node {
  animation: pulseNode 2.6s ease-in-out infinite;
  transform-box: fill-box;
  transform-origin: center;
}
@keyframes pulseNode {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(1.5); }
}
.hero-subtitle {
  margin-block-start: 20px;
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--muted);
  animation: reveal 0.7s ease-out 0.12s both;
}
.hero-actions {
  margin-block-start: 32px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  animation: reveal 0.7s ease-out 0.22s both;
}
.trust-row {
  margin-block-start: 48px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  text-align: start;
  animation: reveal 0.7s ease-out 0.3s both;
}
@media (min-width: 700px) {
  .trust-row { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1000px) {
  .trust-row { grid-template-columns: repeat(4, 1fr); }
}
.trust-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink);
}
.trust-item i { color: var(--teal-dark); margin-block-start: 3px; }

@keyframes reveal {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== پنل‌های خدمات (دو حوزه تخصصی) ===== */
.panels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
@media (min-width: 800px) {
  .panels { grid-template-columns: 1fr 1fr; }
}
.panel {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 28px;
  border-inline-start: 5px solid var(--border);
  box-shadow: 0 1px 2px rgba(20,34,54,0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.panel:hover { transform: translateY(-5px); box-shadow: 0 20px 36px -20px rgba(20,34,54,0.28); }
.panel--ink { border-inline-start-color: var(--ink); }
.panel--teal { border-inline-start-color: var(--teal); }
.panel-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-block-end: 18px;
  color: var(--white);
}
.panel--ink .panel-icon { background: linear-gradient(135deg, var(--ink), #24405f); }
.panel--teal .panel-icon { background: linear-gradient(135deg, var(--teal), var(--teal-dark)); }
.panel-title { font-size: 1.3rem; margin-block-end: 14px; }
.panel-list { display: flex; flex-direction: column; gap: 10px; margin-block-end: 20px; }
.panel-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--text);
  font-size: 0.98rem;
}
.panel-list i { color: var(--teal-dark); margin-block-start: 5px; font-size: 0.85rem; }
.panel--ink .panel-list i { color: var(--ink); }
.panel-link { font-weight: 700; color: var(--teal-dark); }
.panel--ink .panel-link { color: var(--ink); }
.panel-link:hover { text-decoration: underline; }

/* ===== فرایند تشخیص (مرحله‌ای) ===== */
.process {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
@media (min-width: 800px) {
  .process { grid-template-columns: repeat(4, 1fr); }
}
.process-step { position: relative; padding-inline-start: 0; }
.process-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ink), #24405f);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  margin-block-end: 14px;
  box-shadow: 0 8px 16px -6px rgba(20,34,54,0.4);
}
.process-title { font-size: 1.05rem; margin-block-end: 8px; }
.process-text { color: var(--muted); font-size: 0.95rem; }

/* ===== تخصص فنی ===== */
.expertise {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}
@media (min-width: 900px) {
  .expertise { grid-template-columns: 1.1fr 0.9fr; }
}
.expertise-copy p { margin-block-end: 16px; color: var(--text); }
.expertise-copy p:last-child { margin-block-end: 0; }
.expertise-card {
  background: linear-gradient(135deg, var(--ink) 0%, #1e3454 100%);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.expertise-card h3 { color: var(--white); font-size: 1.1rem; margin-block-end: 16px; }
.expertise-card ul { display: flex; flex-direction: column; gap: 12px; }
.expertise-card li { display: flex; gap: 10px; align-items: flex-start; color: #d7deea; font-size: 0.95rem; }
.expertise-card i { color: var(--teal); margin-block-start: 4px; }

/* ===== لیست چرا ما را انتخاب کنید ===== */
.why-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}
@media (min-width: 700px) {
  .why-list { grid-template-columns: 1fr 1fr; }
}
.why-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px;
  margin: -14px;
  border-radius: var(--radius-sm);
  transition: background 0.2s ease;
}
.why-item:hover { background: var(--white); box-shadow: 0 1px 2px rgba(20,34,54,0.05); }
.why-item i {
  color: var(--teal-dark);
  font-size: 1.05rem;
  margin-block-start: 3px;
  flex-shrink: 0;
}
.why-item h4 { font-size: 1.02rem; margin-block-end: 4px; }
.why-item p { color: var(--muted); font-size: 0.95rem; }

/* ===== صفحه خدمات: بلوک‌های سرویس ===== */
.service-block { margin-block-end: 56px; }
.service-block:last-child { margin-block-end: 0; }
.service-block-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-block-end: 22px;
}
.service-block-head .panel-icon { margin-block-end: 0; flex-shrink: 0; }
.service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px 28px;
}
@media (min-width: 700px) {
  .service-grid { grid-template-columns: 1fr 1fr; }
}
.service-grid li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding-block: 10px;
  border-block-end: 1px solid var(--border);
  font-size: 0.98rem;
}
.service-grid i { color: var(--teal-dark); margin-block-start: 5px; font-size: 0.85rem; }

.quote-banner {
  background: linear-gradient(135deg, var(--ink) 0%, #1e3454 100%);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
}
.quote-banner h3 { color: var(--white); font-size: 1.4rem; margin-block-end: 10px; }
.quote-banner p { color: #c9d2de; margin-block-end: 24px; }
.quote-banner .btn-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }

/* ===== درباره ما ===== */
.about-hero { max-width: 720px; }
.bio-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px;
  border-inline-start: 5px solid var(--teal);
  margin-block-end: 20px;
  box-shadow: 0 1px 2px rgba(20,34,54,0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.bio-card:hover { transform: translateY(-4px); box-shadow: 0 20px 36px -20px rgba(20,34,54,0.22); }
.bio-card p { color: var(--text); }

/* ===== تماس ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
@media (min-width: 900px) {
  .contact-grid { grid-template-columns: 0.85fr 1.15fr; }
}
.contact-info-card {
  background: linear-gradient(135deg, var(--ink) 0%, #1e3454 100%);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.contact-info-card h3 { color: var(--white); font-size: 1.15rem; margin-block-end: 20px; }
.contact-info-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-block-end: 18px;
  color: #d7deea;
  font-size: 0.98rem;
}
.contact-info-row:last-child { margin-block-end: 0; }
.contact-info-row i {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal);
  flex-shrink: 0;
}
.contact-info-row strong { display: block; color: var(--white); margin-block-end: 2px; }
.contact-info-actions { display: flex; flex-direction: column; gap: 12px; margin-block-start: 26px; }

.contact-form-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--border);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}
@media (min-width: 560px) {
  .form-row--two { grid-template-columns: 1fr 1fr; }
}
.form-group { margin-block-end: 18px; }
.form-group:last-of-type { margin-block-end: 0; }
.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.92rem;
  margin-block-end: 8px;
  color: var(--ink);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--canvas);
  color: var(--text);
  transition: border-color 0.15s ease;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--teal);
  outline: none;
}
.form-group textarea { resize: vertical; min-height: 110px; }
.form-submit { margin-block-start: 22px; }
.form-note {
  margin-block-start: 14px;
  font-size: 0.85rem;
  color: var(--muted);
}

/* ===== فهرست برچسبی (برندها/شهرها) ===== */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tag-chip {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 9px 20px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text);
  transition: border-color 0.15s ease, color 0.15s ease;
}
.tag-chip--featured {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--white);
  font-weight: 700;
}
.tag-section-note {
  margin-block-start: 18px;
  color: var(--muted);
  font-size: 0.92rem;
}

/* ===== سوالات متداول ===== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding-inline: 20px;
}
.faq-item summary {
  cursor: pointer;
  padding-block: 18px;
  font-weight: 700;
  color: var(--ink);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-toggle-icon { position: relative; width: 18px; height: 18px; flex-shrink: 0; }
.faq-toggle-icon::before,
.faq-toggle-icon::after {
  content: '';
  position: absolute;
  background: var(--teal-dark);
  border-radius: 2px;
  transition: transform 0.2s ease;
}
.faq-toggle-icon::before { inset-inline-start: 0; top: 8px; width: 18px; height: 2px; }
.faq-toggle-icon::after { top: 0; inset-inline-start: 8px; width: 2px; height: 18px; }
.faq-item[open] .faq-toggle-icon::after { transform: rotate(90deg); }
.faq-item p { padding-block-end: 20px; color: var(--muted); margin-block-start: -6px; }

/* ===== فوتر ===== */
.site-footer { background: var(--ink); color: #cdd6e3; }
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding-block: 56px 32px;
}
@media (min-width: 800px) {
  .footer-grid { grid-template-columns: 1.2fr 1fr 1fr; }
}
.footer-brand { font-size: 1.15rem; font-weight: 800; color: var(--white); margin-block-end: 12px; }
.footer-col h4 { color: var(--white); font-size: 0.98rem; margin-block-end: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; font-size: 0.92rem; }
.footer-col a:hover { color: var(--white); }
.footer-desc { font-size: 0.92rem; color: #aab6c6; max-width: 320px; }
.footer-bottom {
  border-block-start: 1px solid rgba(255,255,255,0.12);
  padding-block: 20px;
  text-align: center;
  font-size: 0.85rem;
  color: #8b98aa;
}

/* ===== دکمه‌های شناور ===== */
.fab-group {
  position: fixed;
  inset-block-end: 22px;
  inset-inline-start: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 50;
}
.fab {
  position: relative;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--white);
  box-shadow: 0 10px 20px -8px rgba(20, 34, 54, 0.45);
  transition: transform 0.15s ease;
}
.fab:hover { transform: scale(1.08); }
.fab--call { background: var(--coral); }
.fab--telegram { background: var(--telegram); }
.fab--eitaa { background: var(--teal); }
.fab--telegram::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: var(--telegram);
  opacity: 0.45;
  z-index: -1;
  animation: fabPulse 2.2s ease-out infinite;
}
@keyframes fabPulse {
  0% { transform: scale(1); opacity: 0.45; }
  100% { transform: scale(1.7); opacity: 0; }
}