/* ============ RESET & TOKENS ============ */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --navy:#0D1117;          /* زمینه تیره اصلی */
  --navy-2:#1B1F3B;        /* سرمه‌ای روشن‌تر برای گرادینت */
  --blue:#00AEEF;          /* آبی درخشان (Accent) */
  --white:#FFFFFF;
  --gray:#AAAAAA;
  --brick:#E74C3C;         /* فقط برای دکمه‌ها */
  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-spring: cubic-bezier(.17,.84,.44,1);
}

body{
  font-family:'Vazirmatn',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);
  color:var(--white);
  line-height:1.75;
  overflow-x:hidden;
}

.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* ============ HEADER ============ */
.header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background: rgba(13,17,23,.95);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  padding:15px 0;
  border-bottom:1px solid rgba(0,174,239,.12);
  transition: background .35s var(--ease), padding .35s var(--ease), border-color .35s var(--ease);
}
.header.is-scrolled{
  padding:10px 0; background: rgba(13,17,23,.98);
  border-bottom-color: rgba(0,174,239,.18);
}
.nav{display:flex;align-items:center;justify-content:space-between}
.logo{font-size:24px;font-weight:700;color:var(--blue)}

.nav-menu{display:flex;list-style:none;gap:26px;position:relative;align-items:center}
.nav-menu a{
  color:rgba(255,255,255,.88);
  text-decoration:none;
  font-weight:600;
  font-size:16px;
  letter-spacing:.2px;
  line-height:1;
  padding:8px 0;
  position:relative;
  transition:color .2s var(--ease);
}
.nav-menu a:hover{color:#fff}

.nav-underline{
  position:absolute;bottom:-10px;height:2px;background:var(--blue);
  border-radius:2px;width:0;opacity:.95;
  transition:left .35s var(--ease-spring), width .35s var(--ease-spring), opacity .25s var(--ease);
}

.has-dropdown{position:relative}
.has-dropdown > a::after{
  content:"▾"; font-size:.8rem; margin-right:6px; color:var(--gray);
  vertical-align:middle;
}
.dropdown{
  position:absolute; right:0; top:100%;
  background: rgba(13,17,23,.98);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  border:1px solid rgba(0,174,239,.18);
  border-radius:12px;
  min-width:180px;
  padding:8px;
  padding-top:18px;
  box-shadow:0 18px 40px rgba(0,0,0,.35);
  opacity:0; transform: translateY(8px);
  pointer-events:none;
  transition: opacity .25s var(--ease), transform .25s var(--ease);
  background-clip: padding-box;
}
.dropdown a{
  display:block; padding:10px 12px; border-radius:8px; color:var(--white);
  transition: background .2s var(--ease), color .2s var(--ease);
  white-space:nowrap;
}
.dropdown a:hover{ background: rgba(0,174,239,.12); color:var(--blue); }
.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown{
  opacity:1; transform: translateY(0); pointer-events:auto;
}

.nav-actions{display:flex;align-items:center;gap:16px}

.ghost-btn{
  padding:10px 18px;border:2px solid var(--blue);background:transparent;color:var(--blue);
  border-radius:28px;text-decoration:none;font-weight:600;
  transition:background .25s var(--ease),color .25s var(--ease),transform .25s var(--ease-spring)
}
.ghost-btn:hover{background:var(--blue);color:var(--navy);transform:translateY(-2px)}

.social-icons {
    display: flex;
    gap: 12px;
}
.social-icons a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: rgba(255, 255, 255, 0.88);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.18);
    transition: all 0.2s ease-in-out;
}
.social-icons a:hover {
    background: var(--brick);
    color: var(--white);
    border-color: transparent;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(231, 76, 60, 0.4);
}
.social-icons svg {
    width: 18px;
    height: 18px;
    display: block;
    fill: none;
    stroke: currentColor;
}

/* ============ HERO ============ */
.hero{
  padding:150px 0 100px; text-align:center; position:relative; overflow:hidden;
}
.hero::before{
  content:""; position:absolute; inset:-20% -10% 0 -10%;
  background:
    radial-gradient(42% 60% at 70% 20%, rgba(0,174,239,.18) 0%, rgba(0,174,239,0) 60%),
    radial-gradient(30% 50% at 20% 10%, rgba(0,174,239,.10) 0%, rgba(0,174,239,0) 60%);
  transform: translate3d(var(--parallaxX,0), var(--parallaxY,0), 0);
  pointer-events:none; transition: transform .6s var(--ease);
}
.hero h1{font-size:3.2rem;font-weight:800;margin-bottom:18px}
.hero .subtitle{font-size:1.2rem;color:var(--blue);margin-bottom:36px}
.cta-buttons{display:flex;gap:16px;justify-content:center;margin-bottom:36px}

.btn-primary{
  padding:14px 26px;background:var(--brick);color:var(--white);border:none;border-radius:28px;
  font-size:1.05rem;font-weight:700;text-decoration:none;cursor:pointer;
  transition: transform .18s var(--ease-spring), box-shadow .25s var(--ease), background .25s var(--ease)
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(231,76,60,.35)}
.btn-primary:active{transform:none}
.trust-line{color:var(--gray);font-size:1rem}

/* ============ SECTIONS ============ */
.section{padding:80px 0}
.section-title{font-size:2.2rem;font-weight:800;text-align:center;margin-bottom:44px;color:var(--white)}
.cards-grid{
  display:grid;grid-template-columns: repeat(auto-fit, minmax(280px,1fr));
  gap:28px;margin-bottom:38px
}
.card,.course-card,.blog-card,.advantage-card{
  background: rgba(255,255,255,.05);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border:1px solid rgba(0,174,239,.18);
  border-radius:20px; padding:24px;
  transition: transform .35s var(--ease-spring), box-shadow .35s var(--ease), border-color .35s var(--ease);
  will-change: transform, box-shadow; transform: translateZ(0);
  position:relative; overflow:hidden;
}
.card:hover,.course-card:hover,.blog-card:hover,.advantage-card:hover{
  transform: translateY(-6px) scale(1.02);
  box-shadow:0 16px 48px rgba(0,174,239,.18);
  border-color: rgba(0,174,239,.35);
}
.card h3,.course-card h3,.blog-card h3,.advantage-card h3{font-size:1.25rem;font-weight:700;margin-bottom:12px;color:var(--white);transition:color .25s var(--ease)}
.card p,.course-card p,.blog-card p,.advantage-card p{color:var(--gray)}
.card:hover h3,.course-card:hover h3,.blog-card:hover h3,.advantage-card:hover h3{color:var(--blue)}
.course-level{
  display:inline-block;background: rgba(0,174,239,.2);color:var(--blue);
  padding:5px 12px;border-radius:14px;font-size:.9rem;margin-bottom:12px
}
.price{font-size:1.05rem;font-weight:800;color:var(--blue);margin:14px 0 18px}
.advantage-card{text-align:center;padding:36px 20px}
.advantage-icon{
  width:80px;height:80px;background:linear-gradient(135deg, var(--blue), var(--navy));
  border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 18px;font-size:2rem
}
.blog-card{opacity:0;transform: translate3d(0,26px,0) scale(.98)}
.blog-card.is-visible{opacity:1;transform: translate3d(0,0,0) scale(1);transition: opacity .6s var(--ease), transform .6s var(--ease)}
.timeline{position:relative;padding:40px 0}
.timeline::before{
  content:""; position:absolute; left:50%; top:0; bottom:0; width:2px;
  background: linear-gradient(to bottom, var(--blue), rgba(0,174,239,.2));
  transform:translateX(-50%);
}
.timeline-item{display:flex;align-items:center;margin-bottom:38px;position:relative}
.timeline-item:nth-child(odd){flex-direction:row-reverse}
.timeline-content{
  flex:1;background:rgba(255,255,255,.05);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border:1px solid rgba(0,174,239,.18); border-radius:16px; padding:22px; margin:0 28px
}
.timeline-dot{width:18px;height:18px;background:var(--blue);border-radius:50%;position:absolute;left:50%;transform:translateX(-50%);z-index:2}
.faq-item{background:rgba(255,255,255,.05);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(0,174,239,.18);border-radius:15px;margin-bottom:14px;overflow:hidden}
.faq-question{
  padding:18px;background:none;border:none;color:var(--white);font-size:1.05rem;font-weight:700;width:100%;text-align:right;
  cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:color .25s var(--ease)
}
.faq-question:hover{color:var(--blue)}
.faq-answer{padding:0 18px;max-height:0;overflow:hidden;transition:max-height .3s var(--ease), padding .3s var(--ease);color:var(--gray)}
.faq-answer.active{padding:0 18px 18px;max-height:220px}
.footer{background: rgba(13,17,23,.95);padding:60px 0 30px;border-top:1px solid rgba(0,174,239,.18)}
.footer-content{display:grid;grid-template-columns:repeat(auto-fit, minmax(250px,1fr));gap:36px;margin-bottom:36px}
.footer-section h3{color:var(--blue);margin-bottom:16px;font-size:1.15rem}
.footer-section a{color:var(--gray);text-decoration:none;display:block;margin-bottom:10px;transition:color .25s var(--ease)}
.footer-section a:hover{color:var(--blue)}
.footer-bottom{text-align:center;padding-top:26px;border-top:1px solid rgba(0,174,239,.12);color:var(--gray)}
.reveal{opacity:0;transform: translate3d(0,24px,0) scale(.98);transition:opacity .7s var(--ease), transform .7s var(--ease);will-change:opacity,transform}
.reveal.is-visible{opacity:1;transform: translate3d(0,0,0) scale(1)}
.reveal[data-delay="1"]{transition-delay:.10s}
.reveal[data-delay="2"]{transition-delay:.25s}
.reveal[data-delay="3"]{transition-delay:.40s}
.reveal[data-delay="4"]{transition-delay:.55s}

/* ============ TEEN ECOSYSTEM ============ */
.parallax-bg {
    background-image: linear-gradient(rgba(10, 15, 31, 0.9), rgba(10, 15, 31, 0.95)), url('https://placehold.co/1920x1080/0a0f1f/3B82F6?text=..');
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}
.tilt-card-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 28px;
    perspective: 1000px;
}
.tilt-card {
    background: rgba(30, 41, 59, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0,174,239,.18);
    border-radius: 20px;
    padding: 24px;
    transform-style: preserve-3d;
    transition: transform 0.1s linear;
    position: relative;
    overflow: hidden;
}
.tilt-card h4 { font-size: 1.25rem; font-weight: 700; margin-bottom: 12px; color: var(--white); }
.tilt-card p  { color: var(--gray); font-size: 0.95rem; }
.tilt-card::before{
  content:''; position:absolute; inset:0;
  background: radial-gradient(circle at var(--mouse-x) var(--mouse-y), rgba(0,174,239,.3), transparent 40%);
  opacity:0; transition:opacity .3s ease;
}
.tilt-card:hover::before{opacity:1}

/* ============ HERO CANVAS ============ */
.hero .container { position: relative; z-index: 2; }
.hero-background-effects { position: absolute; inset: 0; z-index: 1; pointer-events: none; overflow: hidden; }
#hero-canvas { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }

.credits-outside {
    text-align: center;
    color: var(--gray);
    margin-top: 32px;
}
.footer .social-icons a {
    display: flex;
    justify-content: center;
    align-items: center;
}
.footer .social-icons svg {
    width: 24px;
    height: 24px;
}

/* ============ TEST SECTION STYLES ============ */
.test-section {
  padding: 120px 0 80px;
}
.test-container {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(0,174,239,.2);
  border-radius: 20px;
  padding: 40px 30px;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: 0 12px 28px rgba(0, 174, 239, 0.08);
  max-width: 700px;
  margin: 0 auto;
}
#question-text {
  font-size: 1.2rem;
  margin-bottom: 20px;
  color: var(--white);
  text-align: center; /* Added for better alignment */
}
.options-container {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 24px;
}
.options-container label {
  padding: 12px 16px;
  border: 1px solid rgba(0,174,239,.3);
  border-radius: 10px;
  background: rgba(13, 17, 23, 0.6);
  color: var(--gray); /* Changed to gray for unselected */
  cursor: pointer;
  transition: background .25s, border-color .25s, color .25s;
}
.options-container label:hover {
  background: rgba(0,174,239,0.12);
  border-color: var(--blue);
}
.options-container label.selected {
  background: rgba(0,174,239,0.15);
  border-color: var(--blue);
  color: var(--white); /* White text for selected */
}
.options-container input[type="radio"] {
  opacity: 0;
  position: absolute;
  width: 0;
  height: 0;
}
.results-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 24px;
}
.result-item {
    background: rgba(255, 255, 255, .05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 174, 239, .18);
    padding: 20px;
    border-radius: 12px;
}
.result-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}
.result-item-header h3 {
    margin: 0;
    font-size: 1.2rem;
    color: var(--blue);
}
.result-item-header span {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--white);
}
.progress-bar-wrapper {
    width: 100%;
    height: 10px;
    background-color: rgba(0, 0, 0, 0.3);
    border-radius: 5px;
    overflow: hidden;
    margin-top: 12px;
}
#progress-bar, #mbti-progress-bar {
    height: 100%;
    background-color: var(--blue);
    border-radius: 5px;
    transition: width 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}
.result-item p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--gray);
    margin-top: 12px;
}

/* ============ HERO FOR PACKAGES PAGE ============ */
.hero-packages {
    text-align: center;
    padding-top: 160px;
    padding-bottom: 100px;
    background: linear-gradient(180deg, rgba(13, 17, 23, 0) 0%, var(--navy) 100%);
}
.hero-title-packages {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 20px;
}
.hero-subtitle-packages {
    font-size: 1.2rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.8;
}
.btn-large {
    padding: 18px 40px;
    font-size: 1.2rem;
}
#plans {
    padding-top: 40px;
}

/* ============ GRID FOR PACKAGES PAGE ============ */
.packages-grid {
    display: grid;
    gap: 28px;
    grid-template-columns: 1fr;
}
@media (min-width: 768px) {
    .packages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (min-width: 1200px) {
    .packages-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

/* ============ CARD STYLING (Scoped to Packages Grid) ============ */
.packages-grid .card,
.packages-grid .course-card,
.packages-grid .blog-card,
.packages-grid .advantage-card {
    background: rgba(255, 255, 255, .05);
    border: 1px solid rgba(0, 174, 239, .18);
    border-radius: 20px;
    padding: 24px;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: transform .35s var(--ease-spring), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.packages-grid .card-body {
    flex-grow: 1;
}
.packages-grid .card-footer {
    padding-top: 20px;
    margin-top: auto;
    border-top: 1px solid rgba(0, 174, 239, .1);
    text-align: center;
}
.cards-grid .card {
    text-align: center;
}

.ai-subscribe-cta .ai-box{
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(0,174,239,.18);
  border-radius: 20px; padding: 28px; text-align: center;
  backdrop-filter: blur(8px);
}
.ai-subscribe-cta .subtitle{color: var(--gray); max-width: 720px; margin: 8px auto 16px;}
/* ===== ✅ START: AI BULLETS FIX ===== */
.ai-bullets {
    display: flex !important;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
    list-style: none !important;
    padding: 0 !important;
    margin: 0 0 14px;
}
.ai-bullets li {
    display: inline-block;
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 12px;
    padding: 6px 10px;
    color: var(--gray);
}
/* ===== ✅ END: AI BULLETS FIX ===== */
.ai-cta{display:inline-block; margin-top:4px;}
.ai-tags{margin-top:14px; display:flex; gap:8px; justify-content:center; flex-wrap:wrap; color:var(--gray); font-size:12px; opacity:.85}
.ai-tags span{border:1px dashed rgba(255,255,255,.12); border-radius:10px; padding:4px 8px}

.section .card {display: flex; flex-direction: column; background: var(--card-bg); border-radius: 10px; padding: 25px; box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); transition: transform 0.3s ease, box-shadow 0.3s ease;}
.section .card:hover {transform: translateY(-5px); box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);}
.card-summary {flex-grow: 1;}
.more-info {max-height: 0; overflow: hidden; opacity: 0; transition: max-height 0.5s ease-out, opacity 0.4s ease-out, margin-top 0.5s ease-out, margin-top: 0;}
.more-info.visible {max-height: 500px; opacity: 1; margin-top: 20px;}
.card-section {margin-top: 16px;}
.card-section:first-child {margin-top: 0;}
.card-section h4 {margin-bottom: 8px; color: var(--blue);}
.card-section p {color: var(--gray); font-size: 0.95rem;}
.toggle-button {margin-top: 20px; width: 100%;}
.toggle-button.ghost-btn {background: none; border: 1px solid var(--blue); color: var(--blue); padding: 10px 15px; border-radius: 5px; cursor: pointer; transition: all 0.3s ease;}
.toggle-button.ghost-btn:hover {background: var(--blue); color: var(--white);}

.page-header {text-align: center; margin-bottom: 60px;}
.page-header .section-title {font-size: 2.5rem; margin-bottom: 15px; color: var(--white);}
.subtitle-wrapper .primary-subtitle {color: var(--gray); font-size: 1.1rem; margin: 0;}
.subtitle-wrapper .credit-line {color: var(--gray); font-size: 0.9rem; opacity: 0.7; margin-top: 10px;}

.category-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--white);
    margin-top: 60px;
    margin-bottom: 30px;
    border-right: 4px solid var(--blue);
    padding-right: 15px;
    line-height: 1.3;
    text-align: right;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    flex-wrap: wrap;
    justify-content: flex-end;
}
.card-icon {
    font-size: 2.2rem;
    margin-bottom: 0;
    display: block;
    opacity: 0.8;
    flex-shrink: 0;
}
.card-header h3 {
    margin: 0;
    font-size: 1.3rem;
    line-height: 1.2;
    text-align: right;
}

.featured-highlight {
    background: linear-gradient(135deg, rgba(0, 174, 239, 0.15) 0%, rgba(0, 119, 204, 0.1) 100%);
    border: 1px solid var(--blue);
    box-shadow: 0 8px 16px rgba(0, 174, 239, 0.2);
    transform: scale(1.02);
}
.featured-highlight:hover {
    transform: translateY(-8px) scale(1.03);
    box-shadow: 0 12px 20px rgba(0, 174, 239, 0.3);
}
.custom-grid-4-col.cards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    text-align: right;
}
@media (max-width: 992px) {
    .custom-grid-4-col.cards-grid {grid-template-columns: repeat(2, 1fr);}
    .page-header .section-title {font-size: 2rem;}
    .subtitle-wrapper .primary-subtitle {font-size: 1rem;}
    .category-title {font-size: 1.5rem;}
}
@media (max-width: 576px) {
    .custom-grid-4-col.cards-grid {grid-template-columns: 1fr;}
    .page-header .section-title {font-size: 1.8rem;}
    .subtitle-wrapper .primary-subtitle {font-size: 0.9rem;}
    .category-title {font-size: 1.3rem;}
    .card-header {flex-direction: column; align-items: flex-end; gap: 5px;}
    .card-icon {font-size: 2rem; margin-bottom: 5px;}
    .card-header h3 {text-align: right; font-size: 1.2rem;}
}

.test-section.no-padding-top {
    padding-top: 0;
}
.test-section.no-padding-bottom {
    padding-bottom: 0;
}

.credit-name {
  color: var(--brick);
  font-weight: bold;
  font-size: 1.2rem;
}

.earth-background {
    position: fixed;
    top: 50%;
    left: 50%;
    width: 100vw;
    height: 100vh;
    transform: translate(-50%, -50%);
    overflow: hidden;
    z-index: -1;
    pointer-events: none;
}
.earth-background video {
    width: auto;
    height: 100%;
    object-fit: cover;
    transform: translateX(-50%) scale(1.1);
    position: absolute;
    left: 50%;
    top: 0;
    filter: brightness(0.35) contrast(1.2) saturate(1.2);
}

/* ============ MODAL STYLES (Scoped) ============ */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10, 17, 40, 0.85);
  z-index: 9999;
  justify-content: center;
  align-items: center;
  padding: 20px;
}
.modal.show { 
  display: flex; 
}
.modal-content {
  background: linear-gradient(145deg, #0f1a33, #081022);
  border: 1px solid var(--blue);
  border-radius: 16px;
  padding: 28px;
  max-width: 600px;
  width: 100%;
  color: var(--white);
  text-align: right;
  position: relative;
  opacity: 0;
  transform: scale(0.85);
  animation: scaleUp 0.35s ease forwards, glowPulse 1s ease forwards;
}
.modal-content h3 {
  color: var(--blue);
  margin-bottom: 12px;
  font-size: 1.4rem;
  font-weight: 800;
}
.modal-content p {
  color: var(--gray);
  line-height: 1.7;
}
.modal-close {
  cursor: pointer;
  font-size: 22px;
  color: var(--brick);
  position: absolute;
  top: 14px;
  left: 18px;
  transition: color 0.25s ease;
}
.modal-close:hover { color: var(--white); }
.modal-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(0, 174, 239, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  box-shadow: 0 0 12px rgba(0, 174, 239, 0.3);
}
.modal-icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--blue);
}
@keyframes scaleUp {
  from { opacity: 0; transform: scale(0.85); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes glowPulse {
  0%   { box-shadow: 0 0 0 rgba(0, 174, 239, 0.0); }
  50%  { box-shadow: 0 0 30px rgba(0, 174, 239, 0.45); }
  100% { box-shadow: 0 0 12px rgba(0, 174, 239, 0.25); }
}
@media (max-width: 576px) {
  .modal-content {
    padding: 20px;
    font-size: 0.95rem;
  }
  .modal-content h3 {
    font-size: 1.2rem;
  }
}
.ds-page .hero {
  padding: 150px 0 100px;
}
.ds-page .hero h1 {
  font-size: 3.2rem !important;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 18px;
}
.ds-page .hero p {
  font-size: 1.15rem;
  color: var(--gray);
  max-width: 760px;
  margin: 0 auto 30px;
  line-height: 1.8;
  letter-spacing: normal !important;
}
.cards-grid.grid-4-col {
    grid-template-columns: repeat(4, 1fr);
}
@media (max-width: 992px) {
    .cards-grid.grid-4-col {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 576px) {
    .cards-grid.grid-4-col {
        grid-template-columns: 1fr;
    }
}

/* ===================================================================
==== MOBILE NAVIGATION & RESPONSIVE FIXES (بخش اصلاح و اضافه شده) ====
=================================================================== */

/* استایل دکمه همبرگری (در دسکتاپ مخفی است) */
.nav-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1100; /* باید بالاتر از هدر و منو باشد */
}

.hamburger {
    display: block;
    position: relative;
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: all 0.25s var(--ease);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: all 0.25s var(--ease);
}

.hamburger::before { top: -8px; }
.hamburger::after { bottom: -8px; }

/* استایل دکمه در حالت باز (شکل ضربدر) */
.nav-open .hamburger { background: transparent; }
.nav-open .hamburger::before { transform: rotate(45deg); top: 0; }
.nav-open .hamburger::after { transform: rotate(-45deg); bottom: 0; }


/* استایل‌های واکنش‌گرایی اصلی */
@media (max-width: 768px) {
    /* نمایش دکمه همبرگری */
    .nav-toggle {
        display: block;
    }

    /* استایل منوی موبایل (پنلی که از کنار باز می‌شود) */
    .nav-menu {
        position: fixed;
        top: 0;
        right: 0;
        width: 280px;
        height: 100%;
        background: rgba(13, 17, 23, .98);
        -webkit-backdrop-filter: blur(15px);
        backdrop-filter: blur(15px);
        
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 30px;
        
        /* حالت اولیه: مخفی در سمت راست */
        transform: translateX(100%);
        transition: transform 0.4s var(--ease);
        display: flex !important; /* دستور display:none قبلی را لغو می‌کند */
    }

    /* کلاس is-active برای نمایش منو */
    .nav-menu.is-active {
        transform: translateX(0);
    }
    
    .nav-menu a {
        font-size: 1.2rem;
    }

    /* مخفی کردن موارد غیرضروری در منوی موبایل */
    .nav-underline, .has-dropdown > a::after {
        display: none;
    }
    .dropdown {
        position: static;
        opacity: 1;
        transform: none;
        pointer-events: auto;
        border: none;
        box-shadow: none;
        background: transparent;
        min-width: unset;
        padding: 0;
        margin-top: 10px;
        text-align: center;
    }

    /* اصلاحات عمومی برای موبایل */
    .hero { padding: 120px 0 80px; }
    .hero h1 { font-size: 2.4rem; }
    .hero .subtitle { font-size: 1.1rem; }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }

    .section { padding: 60px 0; }
    .section-title { font-size: 1.8rem; margin-bottom: 30px; }
    
    .footer-content {
        grid-template-columns: 1fr; /* ستون‌ها زیر هم */
        text-align: center;
    }

    /* اصلاح تایم‌لاین */
    .timeline::before { left: 20px; transform: translateX(0); }
    .timeline-item { flex-direction: row !important; }
    .timeline-dot { left: 20px; transform: translateX(-50%); }
    .timeline-content { margin: 0 15px 0 40px; }

    .card, .course-card, .blog-card, .advantage-card { padding: 20px; }
    .card h3, .course-card h3, .blog-card h3, .advantage-card h3 { font-size: 1.1rem; }
}

@media (prefers-reduced-motion: reduce){
  .reveal,.blog-card{transition:none !important;transform:none !important;opacity:1 !important}
  .card:hover,.course-card:hover,.blog-card:hover,.advantage-card:hover{transform:none;box-shadow:none}
  .header{transition:none}
  #hero-canvas { display: none; }
}