/*
Theme Name: Karshenasi Arta
Theme URI: https://www.karshenasiarta.ir
Author: Arta Auto Experts
Author URI: https://www.karshenasiarta.ir
Description: پوسته اختصاصی لندینگ کارشناسی بدنه و فنی خودرو آرتا. طراحی مشکی/سفید/طلایی، ریسپانسیو کامل، با کارشناس اشکان محسنی.
Version: 1.0
Requires at least: 6.0
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: karshenasi-arta
*/

/* ============================================================
   کارشناسی آرتا — Design Tokens
   Black #0a0a0c / White #ffffff / Gold #c9a227
   ============================================================ */
:root{
  --black: #0a0a0c;
  --black-soft: #131316;
  --black-card: #17171b;
  --line: rgba(255,255,255,.08);
  --white: #ffffff;
  --off-white: #f6f4ee;
  --gray: #a7a7ad;
  --gray-dim: #6f6f76;

  --gold: #c9a227;
  --gold-light: #f0d383;
  --gold-deep: #8a6a17;
  --gold-grad: linear-gradient(135deg, #f4dd9c 0%, #c9a227 45%, #8a6a17 100%);
  --gold-grad-soft: linear-gradient(135deg, rgba(240,211,131,.16), rgba(201,162,39,.05));

  --radius: 18px;
  --radius-sm: 10px;
  --container: 1180px;

  --ease-spring: cubic-bezier(.34,1.56,.64,1);
  --ease-out: cubic-bezier(.16,1,.3,1);
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *,*::before,*::after{
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
}

body{
  margin: 0;
  background: var(--black);
  color: var(--off-white);
  font-family: 'Vazirmatn', sans-serif;
  overflow-x: hidden;
  -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; }

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

.container{
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

/* ===== bg grain / ambience ===== */
.grain{
  position: fixed; inset: 0; pointer-events: none; z-index: 1;
  background-image: radial-gradient(rgba(201,162,39,.05) 1px, transparent 1px);
  background-size: 3px 3px;
  opacity: .5;
  mix-blend-mode: overlay;
}

/* ============================================================
   Topbar
   ============================================================ */
.topbar{
  background: var(--black-soft);
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  color: var(--gray);
  position: relative;
  z-index: 60;
}
.topbar-inner{
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding-block: 8px;
}
.topbar-phones{ display: flex; gap: 18px; flex-wrap: wrap; }
.topbar-phone{ display: flex; align-items: center; gap: 6px; transition: color .2s; }
.topbar-phone i{ color: var(--gold); font-size: 12px; }
.topbar-phone:hover{ color: var(--gold-light); }
.topbar-note{ display: flex; align-items: center; gap: 6px; }
.topbar-note i{ color: var(--gold); }
@media (max-width: 640px){ .topbar-note{ display: none; } }

/* ============================================================
   Header
   ============================================================ */
.header{
  position: sticky; top: 0; z-index: 50;
  background: rgba(10,10,12,.7);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, background .3s;
}
.header.scrolled{
  border-color: var(--line);
  background: rgba(10,10,12,.92);
}
.header-inner{
  display: flex; align-items: center; gap: 24px;
  padding-block: 14px;
}

.brand{ display: flex; align-items: center; gap: 12px; margin-inline-end: auto; }
.brand-badge{ width: 46px; height: 46px; flex: none; }
.brand-badge--sm{ width: 40px; height: 40px; }
.brand-badge-svg{ width: 100%; height: 100%; }
.badge-ring-outer{ fill: var(--white); stroke: var(--gold); stroke-width: 1.5; }
.badge-ring-inner{ fill: none; stroke: var(--gold-deep); stroke-width: 1; opacity: .5; }
.badge-star{ fill: var(--gold); opacity: .18; }
.badge-letter{
  font-family: 'Cormorant Garamond', serif; font-weight: 600;
  font-size: 34px; fill: var(--black);
}
.brand-text{ display: flex; flex-direction: column; line-height: 1.25; }
.brand-fa{ font-weight: 800; font-size: 17px; color: var(--white); letter-spacing: .2px; }
.brand-en{
  font-family: 'Cormorant Garamond', serif; font-style: italic;
  font-size: 11px; letter-spacing: 2.5px; color: var(--gold-light);
}

.nav{ display: flex; align-items: center; gap: 26px; }
.nav a{
  font-size: 14.5px; color: var(--gray); font-weight: 500;
  position: relative; padding-block: 4px; transition: color .2s;
}
.nav a::after{
  content: ''; position: absolute; inset-inline: 0; bottom: -2px; height: 2px;
  background: var(--gold-grad); transform: scaleX(0); transform-origin: center;
  transition: transform .3s var(--ease-out);
}
.nav a:hover{ color: var(--white); }
.nav a:hover::after{ transform: scaleX(1); }

.header-cta{ margin-inline-start: 8px; white-space: nowrap; }

.nav-toggle{
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 40px; height: 40px; background: none; border: 1px solid var(--line);
  border-radius: 8px; cursor: pointer;
}
.nav-toggle span{ display: block; height: 2px; width: 20px; margin-inline: auto; background: var(--gold-light); transition: transform .3s, opacity .3s; }
.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); }

@media (max-width: 960px){
  .nav{
    position: fixed; inset-inline: 0; top: 84px;
    background: rgba(10,10,12,.98);
    backdrop-filter: blur(14px);
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 8px 24px 24px;
    border-bottom: 1px solid var(--line);
    transform: translateY(-12px); opacity: 0; visibility: hidden;
    transition: opacity .25s var(--ease-out), transform .25s var(--ease-out), visibility .25s;
  }
  .nav.open{ transform: translateY(0); opacity: 1; visibility: visible; }
  .nav a{ padding-block: 14px; border-bottom: 1px solid var(--line); }
  .header-cta{ display: none; }
  .nav-toggle{ display: flex; }
}

/* ============================================================
   Buttons
   ============================================================ */
.btn{
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 22px; border-radius: 999px; font-size: 14.5px; font-weight: 700;
  border: 1px solid transparent; cursor: pointer; white-space: nowrap;
  transition: transform .25s var(--ease-spring), box-shadow .3s, filter .3s;
}
.btn i{ font-size: 14px; }
.btn-gold{
  background: var(--gold-grad); color: #201703;
  box-shadow: 0 8px 24px -8px rgba(201,162,39,.6);
}
.btn-gold:hover{ transform: translateY(-2px) scale(1.02); filter: brightness(1.08); }
.btn-ghost{
  background: transparent; color: var(--white); border-color: var(--line);
}
.btn-ghost:hover{ border-color: var(--gold); color: var(--gold-light); transform: translateY(-2px); }
.btn-lg{ padding: 15px 28px; font-size: 15.5px; }

/* ============================================================
   Hero
   ============================================================ */
.hero{
  position: relative;
  min-height: 100svh;
  display: flex; align-items: center;
  overflow: hidden;
  isolation: isolate;
}
.hero-media{ position: absolute; inset: 0; z-index: -1; }
.hero-img{
  width: 100%; height: 100%; object-fit: cover;
  transform: scale(1.08) translateY(0px);
  animation: heroFloat 10s ease-in-out infinite;
  filter: saturate(1.05) contrast(1.05);
}
@keyframes heroFloat{
  0%,100%{ transform: scale(1.08) translateY(0px) translateX(0px); }
  50%{ transform: scale(1.11) translateY(-14px) translateX(-6px); }
}
.hero-scrim{
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(10,10,12,.55) 0%, rgba(10,10,12,.55) 30%, rgba(10,10,12,.85) 78%, var(--black) 100%),
    linear-gradient(90deg, rgba(10,10,12,.9) 0%, rgba(10,10,12,.25) 55%, rgba(10,10,12,.55) 100%);
}
.hero-lines{
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(201,162,39,.06) 0 1px, transparent 1px 120px);
  opacity: .5;
}

.hero-content{ position: relative; padding-block: 140px 90px; max-width: 720px; }
.eyebrow{
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13.5px; font-weight: 700; letter-spacing: .5px; color: var(--gold-light);
  margin: 0 0 18px;
}
.eyebrow.center{ display: flex; justify-content: center; width: 100%; }
.eyebrow-dot{ width: 7px; height: 7px; border-radius: 50%; background: var(--gold-grad); box-shadow: 0 0 12px var(--gold); }

.hero-title{
  font-size: clamp(34px, 5.4vw, 62px);
  font-weight: 900; line-height: 1.28; margin: 0 0 22px; color: var(--white);
}
.gold-text{
  background: var(--gold-grad); -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.hero-sub{
  font-size: clamp(15px, 1.6vw, 18px); line-height: 1.9; color: var(--gray);
  max-width: 560px; margin: 0 0 34px;
}
.hero-actions{ display: flex; flex-wrap: wrap; gap: 14px; }

.scroll-cue{
  position: absolute; bottom: 30px; inset-inline-start: 50%; transform: translateX(50%);
  width: 26px; height: 42px; border: 2px solid var(--line); border-radius: 20px;
}
.scroll-cue span{
  position: absolute; top: 8px; inset-inline-start: 50%; transform: translateX(-50%);
  width: 4px; height: 8px; border-radius: 4px; background: var(--gold-light);
  animation: cueMove 1.8s ease-in-out infinite;
}
@keyframes cueMove{
  0%{ opacity: 1; top: 8px; } 70%{ opacity: 0; top: 22px; } 100%{ opacity: 0; top: 8px; }
}

/* ============================================================
   Sections generic
   ============================================================ */
.section{ padding-block: 96px; position: relative; }
.section-title{
  font-size: clamp(26px, 3.2vw, 38px); font-weight: 800; color: var(--white);
  line-height: 1.35; margin: 0 0 18px;
}
.section-title.center{ text-align: center; }
.section-p{ font-size: 15.5px; line-height: 1.9; color: var(--gray); margin: 0; }
.section-p.center{ text-align: center; max-width: 640px; margin-inline: auto; }

.reveal{ opacity: 0; transform: translateY(28px); transition: opacity .7s var(--ease-out), transform .7s var(--ease-out); }
.reveal.in-view{ opacity: 1; transform: translateY(0); }

/* ===== about ===== */
.about{ background: var(--black-soft); border-block: 1px solid var(--line); }
.about-grid{ display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: center; }
.about-points{ display: grid; gap: 14px; margin-top: 26px; }
.about-points li{ display: flex; align-items: center; gap: 12px; color: var(--off-white); font-size: 15px; }
.about-points i{
  width: 26px; height: 26px; flex: none; display: grid; place-items: center;
  border-radius: 50%; background: var(--gold-grad-soft); color: var(--gold-light); font-size: 11px;
  border: 1px solid rgba(201,162,39,.3);
}
.about-media{ position: relative; }
.about-frame{
  border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line);
  box-shadow: 0 30px 60px -30px rgba(0,0,0,.7);
}
.about-frame img{ aspect-ratio: 4/5; object-fit: cover; }
.float-slow{ animation: floatSlow 7s ease-in-out infinite; }
@keyframes floatSlow{ 0%,100%{ transform: translateY(0); } 50%{ transform: translateY(-12px); } }
.about-badge{
  position: absolute; bottom: -22px; inset-inline-start: -22px;
  background: var(--white); color: var(--black); border-radius: var(--radius-sm);
  padding: 16px 20px; display: flex; flex-direction: column; gap: 2px;
  box-shadow: 0 20px 40px -12px rgba(0,0,0,.6); border: 1px solid rgba(201,162,39,.4);
}
.about-badge-num{ font-family: 'Cormorant Garamond', serif; font-weight: 700; font-size: 26px; color: var(--gold-deep); }
.about-badge-txt{ font-size: 12px; color: #333; max-width: 140px; }

@media (max-width: 860px){
  .about-grid{ grid-template-columns: 1fr; gap: 60px; }
  .about-media{ order: -1; }
}

/* ===== services ===== */
.cards-grid{
  margin-top: 48px;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.service-card{
  background: var(--black-card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 24px; transition: transform .35s var(--ease-spring), border-color .3s, background .3s;
}
.service-card:hover{
  transform: translateY(-8px);
  border-color: rgba(201,162,39,.4);
  background: linear-gradient(180deg, var(--black-card), #1c1a10);
}
.service-icon{
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  background: var(--gold-grad-soft); border: 1px solid rgba(201,162,39,.3);
  color: var(--gold-light); font-size: 20px; margin-bottom: 20px;
}
.service-card h3{ font-size: 17px; color: var(--white); margin: 0 0 10px; font-weight: 700; }
.service-card p{ font-size: 13.8px; line-height: 1.85; color: var(--gray); margin: 0; }

@media (max-width: 960px){ .cards-grid{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px){ .cards-grid{ grid-template-columns: 1fr; } }

/* ===== categories ===== */
.categories{ background: var(--black-soft); border-block: 1px solid var(--line); }
.cat-grid{ margin-top: 48px; display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.cat-card{
  background: var(--black-card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px; transition: border-color .3s, transform .35s var(--ease-spring);
}
.cat-card:hover{ border-color: rgba(201,162,39,.35); transform: translateY(-4px); }
.cat-head{ display: flex; align-items: center; gap: 12px; margin-bottom: 26px; }
.cat-head i{ color: var(--gold-light); font-size: 20px; }
.cat-head h3{ font-size: 19px; color: var(--white); margin: 0; font-weight: 800; }
.cat-groups{ display: grid; gap: 20px; }
.cat-group-title{ display: block; font-size: 13px; font-weight: 700; color: var(--gold-light); margin-bottom: 10px; }
.tags{ display: flex; flex-wrap: wrap; gap: 8px; }
.tag{
  font-size: 12.5px; color: var(--gray); border: 1px solid var(--line);
  border-radius: 999px; padding: 6px 13px; transition: color .2s, border-color .2s, transform .2s;
}
.tag:hover{ color: var(--gold-light); border-color: rgba(201,162,39,.45); transform: translateY(-2px); }

@media (max-width: 860px){ .cat-grid{ grid-template-columns: 1fr; } }

/* ===== gallery ===== */
.gallery-hint{ margin-top: 8px; font-size: 13px; color: var(--gray-dim); }
.gallery-hint i{ color: var(--gold); margin-inline-start: 4px; }
.gallery-grid{
  margin-top: 46px;
  display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 220px; gap: 16px;
}
.gallery-card{ margin: 0; grid-column: span 1; grid-row: span 1; }
.gallery-card--wide{ grid-column: span 2; }
.gallery-img-wrap{
  position: relative; width: 100%; height: 100%; overflow: hidden;
  border-radius: var(--radius-sm); border: 1px solid var(--line);
}
.gallery-img{
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .55s var(--ease-spring), filter .4s;
}
.gallery-img-wrap::after{
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(0,0,0,.75) 100%);
  opacity: 0; transition: opacity .35s;
}
.gallery-card figcaption{
  position: absolute; inset-inline: 14px; bottom: 12px; z-index: 2;
  font-size: 13px; font-weight: 600; color: var(--white);
  opacity: 0; transform: translateY(8px); transition: opacity .35s, transform .35s;
}
.gallery-card{ position: relative; }
.gallery-card:hover .gallery-img{ transform: scale(1.08); animation: springBounce .7s var(--ease-spring); }
.gallery-card:hover .gallery-img-wrap::after{ opacity: 1; }
.gallery-card:hover figcaption{ opacity: 1; transform: translateY(0); }

@keyframes springBounce{
  0%{ transform: scale(1.08) translateY(0); }
  25%{ transform: scale(1.11) translateY(-8px); }
  50%{ transform: scale(1.06) translateY(3px); }
  75%{ transform: scale(1.09) translateY(-2px); }
  100%{ transform: scale(1.08) translateY(0); }
}

.squeak{
  position: absolute; inset-inline-start: 14px; top: 12px; z-index: 3;
  display: flex; align-items: center; gap: 6px;
  opacity: 0; transform: translateY(-6px);
  transition: opacity .3s, transform .3s;
}
.gallery-card:hover .squeak{ opacity: 1; transform: translateY(0); }
.squeak svg{ width: 46px; height: 14px; overflow: visible; }
.squeak-path{
  fill: none; stroke: var(--gold-light); stroke-width: 2.2; stroke-linecap: round;
  stroke-dasharray: 140; stroke-dashoffset: 140;
}
.gallery-card:hover .squeak-path{ animation: drawSqueak .6s var(--ease-out) forwards .1s; }
@keyframes drawSqueak{ to{ stroke-dashoffset: 0; } }
.squeak em{
  font-style: normal; font-size: 11px; font-weight: 700; color: var(--gold-light);
  text-shadow: 0 2px 8px rgba(0,0,0,.8);
}

@media (max-width: 860px){
  .gallery-grid{ grid-template-columns: repeat(2, 1fr); grid-auto-rows: 190px; }
  .gallery-card--wide{ grid-column: span 2; }
}
@media (max-width: 520px){
  .gallery-grid{ grid-template-columns: 1fr; grid-auto-rows: 220px; }
  .gallery-card--wide{ grid-column: span 1; }
  .gallery-card figcaption, .squeak{ opacity: 1; transform: none; }
}

/* ===== expert ===== */
.expert{ background: var(--black-soft); border-block: 1px solid var(--line); }
.expert-grid{ display: grid; grid-template-columns: .8fr 1.2fr; gap: 60px; align-items: center; }
.expert-frame{
  border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line);
  box-shadow: 0 30px 60px -30px rgba(0,0,0,.7);
}
.expert-frame img{ aspect-ratio: 1/1; object-fit: cover; transition: transform .6s var(--ease-spring); }
.expert-frame:hover img{ transform: scale(1.06); }
.expert-text .btn{ margin-top: 10px; }

@media (max-width: 860px){
  .expert-grid{ grid-template-columns: 1fr; gap: 40px; }
  .expert-frame{ max-width: 340px; margin-inline: auto; }
}

/* ===== contact ===== */
.contact-cards{
  margin-top: 44px; display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
  max-width: 640px; margin-inline: auto;
}
.contact-card{
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  background: var(--black-card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 20px; text-align: center;
  transition: transform .3s var(--ease-spring), border-color .3s, background .3s;
}
.contact-card i{ font-size: 24px; color: var(--gold-light); }
.contact-card:hover{
  transform: translateY(-6px); border-color: rgba(201,162,39,.45);
  background: linear-gradient(180deg, var(--black-card), #1c1a10);
}
.contact-num{ font-size: 19px; font-weight: 800; color: var(--white); direction: ltr; }
.contact-label{ font-size: 12.5px; color: var(--gray); }

@media (max-width: 560px){ .contact-cards{ grid-template-columns: 1fr; } }

/* ============================================================
   Footer
   ============================================================ */
.footer{ background: var(--black); border-top: 1px solid var(--line); padding-top: 56px; }
.footer-inner{
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 28px; padding-bottom: 40px;
}
.footer-brand{ margin-inline-end: 0; }
.footer-nav{ display: flex; flex-wrap: wrap; gap: 22px; }
.footer-nav a{ font-size: 13.5px; color: var(--gray); transition: color .2s; }
.footer-nav a:hover{ color: var(--gold-light); }
.footer-phones{ display: flex; flex-direction: column; gap: 8px; align-items: flex-end; }
.footer-phones a{ font-size: 13.5px; color: var(--gray); display: flex; gap: 8px; direction: ltr; justify-content: flex-end; }
.footer-phones i{ color: var(--gold); }
.footer-phones a:hover{ color: var(--gold-light); }

.footer-bottom{ border-top: 1px solid var(--line); }
.footer-bottom-inner{
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px;
  padding-block: 18px; font-size: 12px; color: var(--gray-dim);
}
.footer-site{ direction: ltr; color: var(--gold-deep); }

@media (max-width: 640px){
  .footer-inner{ flex-direction: column; align-items: flex-start; }
  .footer-phones{ align-items: flex-start; }
  .footer-phones a{ justify-content: flex-start; }
}

/* ============================================================
   Floating call button (mobile)
   ============================================================ */
.fab-call{
  position: fixed; bottom: 22px; inset-inline-end: 22px; z-index: 70;
  width: 56px; height: 56px; border-radius: 50%; display: none;
  align-items: center; justify-content: center; font-size: 20px;
  background: var(--gold-grad); color: #201703;
  box-shadow: 0 12px 28px -8px rgba(201,162,39,.7);
  animation: fabPulse 2.4s ease-in-out infinite;
}
@keyframes fabPulse{
  0%,100%{ box-shadow: 0 12px 28px -8px rgba(201,162,39,.7); }
  50%{ box-shadow: 0 12px 34px -4px rgba(201,162,39,.95); }
}
@media (max-width: 860px){ .fab-call{ display: flex; } }

/* ============================================================
   Container overflow safety
   ============================================================ */
img, svg, video{ max-width: 100%; }
section, header, footer{ overflow: hidden; }