/* =================================================================
   IMPROVED & UNIFIED THEME BY GEMINI
   Theme: Modern Dark Blue (RTL)
   ================================================================= */

/* --- FONT IMPORT --- */
@import url('https://cdn.fontcdn.ir/Font/Persian/Vazir/Vazir.css');

/* --- :ROOT VARIABLES (Palette & Config) --- */
:root {
  --bg: #1A2035;
  --surface: #252c48; /* Slightly lighter surface for cards */
  --surface-alpha: rgba(37, 44, 72, 0.8);
  --border-color: rgba(160, 210, 235, 0.15);
  --accent-1: #A0D2EB; /* Light blue */
  --accent-2: #E5B3BB; /* Soft pink */
  --text-color: #FFFFFF;
  --text-muted: #a9b5d1; /* Softer muted text */
  --radius-lg: 16px;
  --radius-md: 12px;
  --shadow-color: rgba(0, 0, 0, 0.3);
  --transition: 240ms ease-in-out;
  font-family: "Vazir", "Tahoma", system-ui, -apple-system;
}

/* =================================================================
   BASE & GENERAL STYLES
   ================================================================= */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text-color);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1rem;
}

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

img {
  max-width: 100%;
  display: block;
}

.section {
  padding: 4rem 0;
}

.section-title {
  margin-bottom: 3rem;
  color: var(--accent-1);
  font-size: 2.2rem;
  text-align: center;
  font-weight: 800;
}

/* =================================================================
   NAVIGATION BAR
   ================================================================= */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(26, 32, 53, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.logo h2 {
  font-size: 1.6rem;
  color: var(--accent-1);
  font-weight: 800;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-links a {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  color: var(--text-color);
  font-weight: 600;
  transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent-1);
  background: var(--surface);
}

/* Hamburger Menu (Pure CSS) */
#hamburger-toggle { display: none; }
.hamburger-menu { display: none; font-size: 2rem; cursor: pointer; user-select: none; }

/* =================================================================
   BUTTONS & CTAs
   ================================================================= */
.cta-primary, .cta-secondary, .btn-ghost {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 700;
  transition: all 0.2s ease-out;
}

.cta-primary {
  background: var(--accent-1);
  color: var(--bg) !important;
  box-shadow: 0 8px 28px rgba(160, 210, 235, 0.1);
}

.cta-primary:hover {
  transform: translateY(-4px);
  filter: brightness(1.15);
  box-shadow: 0 12px 35px rgba(160, 210, 235, 0.2);
}

.cta-secondary {
  background: var(--surface);
  border: 1px solid var(--border-color);
  color: var(--accent-1) !important;
}

.cta-secondary:hover {
  transform: translateY(-3px);
  background: rgba(160, 210, 235, 0.1);
  border-color: rgba(160, 210, 235, 0.3);
}

.btn-ghost {
  border: 1px solid var(--accent-1);
  color: var(--accent-1) !important;
  background: transparent !important;
}

.btn-ghost:hover {
  background: var(--accent-1) !important;
  color: var(--bg) !important;
}

/* =================================================================
   HERO SECTION (for index.html)
   ================================================================= */
.hero {
  padding: 5rem 0;
  text-align: right;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.hero-title {
  font-size: 3rem;
  line-height: 1.3;
  margin-bottom: 1rem;
  color: #fff;
  font-weight: 800;
}

.hero-title .brand {
  color: var(--accent-2);
}

.hero-desc {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 2rem;
  max-width: 500px;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-visual img {
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 60px -15px var(--shadow-color);
  /* این تصویر همان hero-bg.jpg شماست که در بخش دیگری از کد استفاده شده بود */
  /* اطمینان حاصل کنید مسیر `../img/hero-bg.jpg` درست است */
}

/* =================================================================
   FEATURES & EVENT CARDS
   ================================================================= */
.features-grid, .events-grid {
  display: grid;
  gap: 1.5rem;
}

.features-grid {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.events-grid {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.feature, .event-card {
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  background-image: radial-gradient(circle at top right, rgba(160, 210, 235, 0.05), transparent 40%);
  display: flex;
  flex-direction: column;
}

.feature:hover, .event-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px -20px var(--shadow-color);
  border-color: rgba(160, 210, 235, 0.3);
}

.feature {
  padding: 2rem;
  text-align: center;
}

.feature .icon {
  font-size: 2rem;
  color: var(--accent-2);
  margin-bottom: 1rem;
}

.event-card {
  padding: 0;
  overflow: hidden;
}

.event-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.event-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1; /* Makes the card body grow to fill space */
}

.event-body h4 { font-size: 1.2rem; }

.event-meta {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.event-cta {
  margin-top: auto; /* Pushes CTAs to the bottom */
  padding-top: 1rem;
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.event-cta a {
    flex: 1;
    text-align: center;
}

/* =================================================================
   FORM STYLES (for login, register, etc.)
   ================================================================= */
.form-container {
  max-width: 500px;
  margin: 4rem auto;
  padding: 2.5rem;
  background-color: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--accent-1);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-family: 'Vazir', sans-serif;
  background-color: var(--bg);
  color: var(--text-color);
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent-1);
  box-shadow: 0 0 0 3px rgba(160, 210, 235, 0.2);
}

.form-container .cta-primary {
    width: 100%;
}

.form-switch {
  text-align: center;
  margin-top: 1.5rem;
  color: var(--text-muted);
}
.form-switch a {
    color: var(--accent-1);
    font-weight: 700;
}

/* =================================================================
   EVENT DETAIL PAGE
   ================================================================= */
.event-detail-banner {
  width: 100%;
  height: 350px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-bottom: 2rem;
  box-shadow: 0 15px 40px -10px var(--shadow-color);
}

.event-detail-title {
  font-size: 2.8rem;
  margin-bottom: 2.5rem;
}

.event-detail-content {
  display: grid;
  grid-template-columns: 3fr 1fr;
  gap: 2rem;
}

.event-main-info h3 {
  border-bottom: 2px solid var(--accent-2);
  padding-bottom: 0.5rem;
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--accent-1);
}

.event-sidebar-info {
  background-color: var(--surface);
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  height: fit-content; /* Sits nicely */
  position: sticky;
  top: 100px; /* Navbar height + padding */
}

.event-sidebar-info h4 {
  margin-top: 0;
  border-bottom: 2px solid var(--accent-1);
  padding-bottom: 0.5rem;
  color: var(--accent-1);
}

.event-sidebar-info ul {
  list-style-type: none;
  padding: 0;
  margin-top: 1rem;
}

.event-sidebar-info li {
  margin-bottom: 0.75rem;
  color: var(--text-muted);
}
.event-sidebar-info li strong {
    color: var(--text-color);
    margin-left: 0.5rem;
}


/* =================================================================
   FOOTER
   ================================================================= */
.footer {
  padding: 2.5rem 0;
  margin-top: 4rem;
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  text-align: center;
}
/* ===============================
      MOBILE NAVIGATION
      Pure CSS + Media Query
   =============================== */

@media (max-width: 768px) {

  /* دکمه همبرگری فقط در موبایل */
  .hamburger-menu {
    display: block;
    font-size: 2rem;
    cursor: pointer;
    user-select: none;
    color: var(--accent-1);
    transition: transform 0.3s ease;
  }

  /* چرخش آیکون همبرگری هنگام باز شدن */
  #hamburger-toggle:checked + .hamburger-menu {
    transform: rotate(90deg);
  }

  /* مخفی کردن منوی اصلی در موبایل */
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;

    background-color: var(--bg);
    border-bottom: 1px solid var(--border-color);

    flex-direction: column;
    align-items: center;

    width: 100%;
    overflow: hidden;

    max-height: 0;    /* منو بسته */
    padding: 0;

    transition: max-height 0.45s ease, padding 0.3s ease;
  }

  /* آیتم‌های منو */
  .nav-links a {
    width: 100%;
    padding: 0.9rem 0;
    text-align: center;

    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.35s ease, transform 0.35s ease;
  }

  /* باز شدن منو */
  #hamburger-toggle:checked ~ .nav-links {
    max-height: 420px;  /* ارتفاع کافی */
    padding: 1rem 0;
  }

  /* ظاهر شدن مرحله‌ای آیتم‌ها */
  #hamburger-toggle:checked ~ .nav-links a {
    opacity: 1;
    transform: translateY(0);
  }

  /* افکت Cascade (تأخیر انیمیشن) */
  .nav-links a:nth-child(1) { transition-delay: 0.05s; }
  .nav-links a:nth-child(2) { transition-delay: 0.10s; }
  .nav-links a:nth-child(3) { transition-delay: 0.15s; }
  .nav-links a:nth-child(4) { transition-delay: 0.20s; }
  .nav-links a:nth-child(5) { transition-delay: 0.25s; }
  .nav-links a:nth-child(6) { transition-delay: 0.30s; }

}
/*  css relative to JS
*/
/* =================================================================
    FORM VALIDATION STYLES
    ================================================================= */
.error-message {
    color: #ff5252; /* Bright Red color for errors */
    font-size: 0.9rem;
    margin-top: 0.5rem;
    font-weight: 500;
    direction: rtl; /* Ensure correct text direction */
}
/* ================================================================
   SLIDER — Clean & Optimized Rewrite
   ================================================================ */
.slider-container {
    position: relative;
    width: 100%;
    height: 380px;
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: 0 15px 40px -10px var(--shadow-color);
}

.slide {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease;
    object-fit:fill; /* عکس کامل دیده میشه */
    background: var(--surface);
}

.slide.active {
    opacity: 1;
}

/* Buttons (همان قبلی) */
.prev-btn, .next-btn {
    cursor: pointer;
    position: absolute;
    top: 50%;
    padding: 1rem;
    font-size: 1.5rem;
    font-weight: bold;
    color: #fff;
    background: rgba(0, 0, 0, 0.5);
    border: none;
    z-index: 10;
    transform: translateY(-50%);
    transition: 0.3s;
}

.prev-btn { right: 0; }
.next-btn { left: 0; }

.prev-btn:hover, .next-btn:hover {
    background: rgba(0, 0, 0, 0.8);
}

/* Dots */
.dot-indicators {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
}

.dot {
    height: 10px;
    width: 10px;
    background: #bbb;
    border-radius: 50%;
    display: inline-block;
    margin: 0 4px;
    cursor: pointer;
}

.dot.active {
    background: var(--accent-1);
}
/* تنظیم ریسپانسیو برای موبایل */
@media (max-width: 768px) {
    .hero-grid {
        grid-template-columns: 1fr;
    }
    .slider-container {
        height: 250px;
        margin-top: 2rem;
    }
}
/* =================================================================
    COUNTDOWN STYLES
    ================================================================= */
.countdown-wrapper {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.countdown-wrapper h4 {
    color: var(--accent-2);
    margin-bottom: 1.5rem;
    border-bottom: none;
    text-align: center;
}

.countdown-timer {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    direction: ltr; /* نمایش اعداد از چپ به راست */
}

.countdown-box {
    background-color: var(--bg);
    padding: 0.5rem 0.5rem;
    border-radius: var(--radius-md);
    min-width: 55px;
    line-height: 1.2;
    text-align: center;
    border: 1px solid var(--border-color);
}

.countdown-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent-1);
    display: block;
}

.countdown-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 3px;
    display: block;
}

.event-passed-message {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent-2); 
    padding: 1rem;
    display: block;
    text-align: center;
}

/* =================================================================
   THEME STYLES (تم روشن)
   ================================================================= */
:root.light-theme {
    --bg: #e9edf1; /* پس‌زمینه روشن */
    --surface: #FFFFFF; /* سطح کارت‌ها و نوار ناوبری */
    --surface-alpha: rgba(255, 255, 255, 0.8);
    --border-color: rgba(0, 0, 0, 0.1);
    --accent-1: #76b7d5; /* آبی قوی */
    --accent-2: #cf74eb; /* قرمز */
    --text-color: #1A2035; /* متن تیره */
    --text-muted: #52637D; /* متن خاکستری */
    --shadow-color: rgba(0, 0, 0, 0.15);
}

/* استایل دکمه اصلی در تم روشن */
.light-theme .cta-primary {
    background: var(--accent-1);
    color: var(--surface) !important;
    box-shadow: 0 8px 28px rgba(26, 117, 159, 0.1);
}
.hero-title
{
  color: #a2b9dc;
}
.light-theme .cta-primary:hover {
    box-shadow: 0 12px 35px rgba(26, 117, 159, 0.2);
}


/* ================================================================
   EVENT CARD COUNTDOWN STYLES — Responsive & Animated
================================================================= */
.event-card .countdown-wrapper {
    margin-bottom: 1rem;
    padding: 0.5rem 0.5rem;
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

.event-card .countdown-wrapper h4 {
    color: var(--accent-2);
    margin-bottom: 0.8rem;
    font-size: 0.95rem;
    font-weight: 700;
    transition: color 0.3s ease;
}

.event-card .countdown-timer {
    display: flex;
    justify-content: center;
    gap: 0.4rem;
    direction: ltr; /* اعداد از چپ به راست */
    flex-wrap: wrap;
}

.event-card .countdown-box {
    background-color: var(--bg);
    padding: 0.35rem 0.6rem;
    border-radius: var(--radius-md);
    min-width: 45px;
    line-height: 1.2;
    text-align: center;
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.event-card .countdown-box:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(160, 210, 235, 0.2);
}

.event-card .countdown-value {
    font-size: 1rem;
    font-weight: 700;
    color: var(--accent-1);
    display: block;
    transition: all 0.3s ease;
}

.event-card .countdown-label {
    font-size: 0.65rem;
    color: var(--text-muted);
    margin-top: 2px;
    display: block;
}

.event-passed-message {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--accent-2); 
    padding: 0.5rem 0;
    display: block;
    text-align: center;
}

/* Responsive adjustments for small screens */
@media (max-width: 768px) {
    .event-card .countdown-timer {
        gap: 0.3rem;
    }
    .event-card .countdown-box {
        min-width: 35px;
        padding: 0.25rem 0.5rem;
        font-size: 0.75rem;
    }
    .event-card .countdown-value {
        font-size: 0.9rem;
    }
    .event-card .countdown-label {
        font-size: 0.6rem;
    }
}
.tab-switcher {
  display: flex;
  justify-content: space-between;
  margin-bottom: 1rem;
  border-bottom: 2px solid #ddd;
}
.tab-switcher button {
  flex: 1;
  background: none;
  border: none;
  font-weight: 600;
  padding: 0.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
}
.tab-switcher button.active {
  border-bottom: 3px solid #0077cc;
  color: #0077cc;
}
.tab-form { display: none; }
.tab-form.active { display: block; }

/* ===========================
   Footer Styles - Modern & Clean
=========================== */
.footer {
  background-color: #1a1a1a; /* رنگ پس‌زمینه تاریک */
  color: #f5f5f5;
  padding: 3rem 1.5rem 1.5rem;
  font-family: 'Vazir', sans-serif;
  font-size: 0.95rem;
  line-height: 1.6;
}

.footer a {
  color: #f5f5f5;
  text-decoration: none;
  transition: all 0.3s ease;
}

.footer a:hover {
  color: #ffb400; /* رنگ هایلایت هنگام هاور */
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

/* ---------- About Section ---------- */
.footer-about h4 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.footer-about p {
  color: #ccc;
}

/* ---------- Links Section ---------- */
.footer-links h4 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.footer-links ul {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: 0.6rem;
}

/* ---------- Social Section ---------- */
.footer-social h4 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.footer-social .social-icons a {
  display: inline-block;
  font-size: 1.5rem;
  margin-right: 0.8rem;
  padding: 0.4rem;
  border-radius: 50%;
  background-color: #333;
  transition: all 0.3s ease;
}

.footer-social .social-icons a:hover {
  background-color: #ffb400;
  color: #1a1a1a;
  transform: translateY(-3px);
}

/* ---------- Newsletter Section ---------- */
.footer-newsletter h4 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.footer-newsletter p {
  color: #ccc;
  margin-bottom: 0.5rem;
}

.footer-newsletter form {
  display: flex;
  flex-wrap: wrap;
}

.footer-newsletter input[type="email"] {
  padding: 0.6rem 0.8rem;
  flex: 1;
  border: none;
  border-radius: 5px 0 0 5px;
  outline: none;
}

.footer-newsletter button {
  padding: 0.6rem 1rem;
  border: none;
  background-color: #ffb400;
  color: #1a1a1a;
  border-radius: 0 5px 5px 0;
  cursor: pointer;
  font-weight: bold;
  transition: all 0.3s ease;
}

.footer-newsletter button:hover {
  background-color: #ffa500;
  transform: translateY(-2px);
}

/* ---------- Footer Bottom ---------- */
.footer-bottom {
  border-top: 1px solid #444;
  padding-top: 1rem;
  font-size: 0.85rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  color: #ccc;
}

/* ---------- Responsive Adjustments ---------- */
@media (max-width: 768px) {
  .footer-newsletter form {
    flex-direction: column;
  }
  .footer-newsletter input[type="email"] {
    border-radius: 5px;
    margin-bottom: 0.5rem;
  }
  .footer-newsletter button {
    border-radius: 5px;
  }
}