/* =========================================================================
   فایل استایل اصلی — نمونه‌کار شخصی
   ساختار فایل:
   1) متغیرها و تنظیمات پایه (Design Tokens)
   2) ریست و تایپوگرافی عمومی
   3) اجزای عمومی (دکمه‌ها، عنوان بخش‌ها، انیمیشن ورود)
   4) نوار پیمایش (Navbar)
   5) بخش Hero
   6) بخش درباره من
   7) بخش مهارت‌ها
   8) بخش پروژه‌ها
   9) بخش سوابق (Experience)
   10) بخش خدمات
   11) بخش نظرات مشتریان
   12) بخش تماس
   13) فوتر
   14) ریسپانسیو / رسانه‌های مختلف
   ========================================================================= */

/* -------------------------------------------------------------------------
   1) متغیرها و تنظیمات پایه (Design Tokens)
   پالت رنگی: زغالی گرم + طلایی برنجی، الهام‌گرفته از مُهرهای سنتی و
   جلدهای چرمی کتاب — یک حس لوکس، آرام و مینیمال.
------------------------------------------------------------------------- */
:root {
  /* رنگ‌های پایه */
  --color-bg: #0f120f;          /* پس‌زمینه اصلی: زغالی گرم، نه مشکی خالص */
  --color-bg-alt: #141713;      /* پس‌زمینه بخش‌های متناوب */
  --color-surface: #191c17;     /* سطح کارت‌ها */
  --color-surface-2: #20241d;   /* سطح کارت‌ها هنگام هاور */
  --color-border: rgba(243, 241, 234, 0.09);
  --color-border-strong: rgba(243, 241, 234, 0.18);

  --color-text: #f4f1e9;        /* متن اصلی: کرم روشن */
  --color-text-muted: #a9a79c;  /* متن کم‌رنگ‌تر */
  --color-text-faint: #74766d;

  --color-gold: #c9a24b;        /* طلایی برنجی — رنگ امضادار سایت */
  --color-gold-light: #e6c977;
  --color-gold-dim: #8a7135;

  /* تایپوگرافی */
  --font-fa: 'Vazirmatn', Tahoma, sans-serif;

  /* فاصله‌گذاری و لایه‌بندی */
  --radius-sm: 6px;
  --radius-md: 14px;
  --radius-lg: 26px;
  --container-pad: 1.25rem;

  --transition-base: 480ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 220ms ease;
}

/* -------------------------------------------------------------------------
   2) ریست و تایپوگرافی عمومی
------------------------------------------------------------------------- */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-fa);
  font-weight: 400;
  line-height: 1.9;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* بافت ظریف نویز برای جلوگیری از پس‌زمینه‌ی صاف/دیجیتالی */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 2000;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-fa);
  font-weight: 700;
  color: var(--color-text);
  margin: 0;
}

p {
  margin: 0;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

::selection {
  background: var(--color-gold);
  color: #14170f;
}

/* اسکرول‌بار سفارشی */
::-webkit-scrollbar {
  width: 9px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg);
}
::-webkit-scrollbar-thumb {
  background: var(--color-gold-dim);
  border-radius: 10px;
}

/* فوکوس قابل مشاهده برای دسترسی‌پذیری */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

/* -------------------------------------------------------------------------
   3) اجزای عمومی
------------------------------------------------------------------------- */
.section {
  padding: clamp(4.5rem, 8vw, 7.5rem) 0;
  position: relative;
}

.section-heading {
  margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-gold);
  margin-bottom: 0.9rem;
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--color-gold);
  display: inline-block;
}

.section-title {
  font-size: clamp(1.85rem, 3.2vw, 2.7rem);
  line-height: 1.35;
  font-weight: 800;
}

.gold-divider {
  width: 64px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold), transparent);
  margin: 1.4rem 0 1.6rem;
  border-radius: 3px;
}

.section-lead {
  color: var(--color-text-muted);
  font-size: 1.02rem;
  line-height: 2;
  max-width: 60ch;
}

.text-muted-2 {
  color: var(--color-text-faint);
  margin-top: 0.9rem;
}

/* دکمه‌ها */
.btn {
  font-family: var(--font-fa);
  font-weight: 600;
  border-radius: 999px;
  padding: 0.85rem 1.9rem;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.btn-gold {
  background: linear-gradient(135deg, var(--color-gold-light), var(--color-gold));
  color: #16190f;
  box-shadow: 0 8px 24px -8px rgba(201, 162, 75, 0.55);
}
.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px -10px rgba(201, 162, 75, 0.65);
  color: #16190f;
}

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border-strong);
}
.btn-ghost:hover {
  border-color: var(--color-gold);
  color: var(--color-gold-light);
  transform: translateY(-2px);
}

.btn-outline-gold {
  background: transparent;
  border-color: var(--color-gold-dim);
  color: var(--color-gold-light);
}
.btn-outline-gold:hover {
  background: var(--color-gold);
  color: #16190f;
  border-color: var(--color-gold);
}

/* انیمیشن‌های ورود هنگام اسکرول (JS کلاس is-visible را اضافه می‌کند) */
.reveal-up,
.reveal-scale {
  opacity: 0;
  will-change: transform, opacity;
}
.reveal-up {
  transform: translateY(26px);
  transition: opacity 760ms cubic-bezier(0.16, 1, 0.3, 1), transform 760ms cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-scale {
  transform: scale(0.94);
  transition: opacity 900ms cubic-bezier(0.16, 1, 0.3, 1), transform 900ms cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-up.is-visible,
.reveal-scale.is-visible {
  opacity: 1;
  transform: none;
}
/* تأخیر مرحله‌ای برای ایجاد جلوه هماهنگ */
[data-delay="1"] { transition-delay: 90ms; }
[data-delay="2"] { transition-delay: 180ms; }
[data-delay="3"] { transition-delay: 270ms; }
[data-delay="4"] { transition-delay: 360ms; }
[data-delay="5"] { transition-delay: 450ms; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal-up, .reveal-scale, [data-delay] {
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

/* -------------------------------------------------------------------------
   4) نوار پیمایش (Navbar)
------------------------------------------------------------------------- */
.custom-navbar {
  background: transparent;
  padding: 1.4rem 0;
  transition: all var(--transition-base);
}
.custom-navbar.scrolled {
  background: rgba(15, 18, 15, 0.86);
  backdrop-filter: blur(14px);
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--color-border);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--color-text) !important;
}
.brand-mark { color: var(--color-gold); }
.brand-text {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
}

.custom-navbar .nav-link {
  color: var(--color-text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 0.85rem !important;
  position: relative;
}
.custom-navbar .nav-link:hover,
.custom-navbar .nav-link.active {
  color: var(--color-gold-light);
}

.navbar-toggler {
  border: none;
  padding: 0.4rem;
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: transparent !important;
  box-shadow: none !important;
}
.toggler-line {
  width: 22px;
  height: 2px;
  background: var(--color-gold);
  display: block;
  transition: var(--transition-fast);
}

/* -------------------------------------------------------------------------
   5) بخش Hero
------------------------------------------------------------------------- */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 6rem;
  padding-bottom: 3rem;
  background:
    radial-gradient(ellipse 60% 50% at 85% 15%, rgba(201, 162, 75, 0.12), transparent 60%),
    var(--color-bg);
  overflow: hidden;
}

/* الگوی هندسی ظریف الهام‌گرفته از کاشی‌کاری ایرانی، بسیار کم‌رنگ */
.hero-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.5;
  pointer-events: none;
  background-image:
    linear-gradient(30deg, rgba(201,162,75,0.05) 12%, transparent 12.5%, transparent 87%, rgba(201,162,75,0.05) 87.5%, rgba(201,162,75,0.05)),
    linear-gradient(150deg, rgba(201,162,75,0.05) 12%, transparent 12.5%, transparent 87%, rgba(201,162,75,0.05) 87.5%, rgba(201,162,75,0.05)),
    linear-gradient(30deg, rgba(201,162,75,0.05) 12%, transparent 12.5%, transparent 87%, rgba(201,162,75,0.05) 87.5%, rgba(201,162,75,0.05)),
    linear-gradient(150deg, rgba(201,162,75,0.05) 12%, transparent 12.5%, transparent 87%, rgba(201,162,75,0.05) 87.5%, rgba(201,162,75,0.05));
  background-size: 80px 140px;
  background-position: 0 0, 0 0, 40px 70px, 40px 70px;
  mask-image: radial-gradient(ellipse 70% 60% at 70% 30%, black, transparent 75%);
}

.hero-inner { position: relative; z-index: 2; }

.hero-title {
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 0.6rem;
  background: linear-gradient(180deg, #ffffff, #cfcabb);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.15rem, 2vw, 1.55rem);
  font-weight: 500;
  color: var(--color-gold-light);
  margin-bottom: 1.4rem;
}

.hero-desc {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  max-width: 52ch;
  margin-bottom: 2.1rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  flex-wrap: wrap;
}
.stat-item { display: flex; flex-direction: column; }
.stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-gold-light);
  line-height: 1.1;
}
.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-faint);
}
.stat-divider {
  width: 1px;
  height: 34px;
  background: var(--color-border-strong);
}

.hero-portrait {
  position: relative;
  max-width: 400px;
  margin-inline: auto;
}
.portrait-ring {
  position: absolute;
  inset: -18px;
  border: 1px solid var(--color-gold-dim);
  border-radius: var(--radius-lg);
  z-index: 0;
}
.portrait-img {
  position: relative;
  z-index: 1;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-strong);
  aspect-ratio: 6/7;
  object-fit: cover;
  width: 100%;
}

.scroll-cue {
  position: absolute;
  bottom: 2rem;
  right: 50%;
  transform: translateX(50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-faint);
  font-size: 0.78rem;
  z-index: 3;
}
.scroll-cue-line {
  width: 1px;
  height: 34px;
  background: linear-gradient(180deg, var(--color-gold), transparent);
  animation: scrollLine 2.2s ease-in-out infinite;
}
@keyframes scrollLine {
  0% { transform: scaleY(0.3); transform-origin: top; opacity: 0.4; }
  50% { transform: scaleY(1); transform-origin: top; opacity: 1; }
  100% { transform: scaleY(0.3); transform-origin: bottom; opacity: 0.4; }
}

/* -------------------------------------------------------------------------
   6) بخش درباره من
------------------------------------------------------------------------- */
.about-section { background: var(--color-bg); }

.about-media {
  position: relative;
  max-width: 460px;
}
.about-media img {
  border-radius: var(--radius-lg);
  aspect-ratio: 4/5;
  object-fit: cover;
  width: 100%;
  position: relative;
  z-index: 1;
}
.about-media-frame {
  position: absolute;
  inset: 18px -18px -18px 18px;
  border: 1px solid var(--color-gold-dim);
  border-radius: var(--radius-lg);
  z-index: 0;
}

.about-fact {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
}
.about-fact i {
  color: var(--color-gold);
  font-size: 1.25rem;
  margin-top: 0.15rem;
}
.about-fact div { display: flex; flex-direction: column; }
.fact-label {
  font-size: 0.78rem;
  color: var(--color-text-faint);
}
.fact-value {
  font-weight: 600;
  color: var(--color-text);
}

/* -------------------------------------------------------------------------
   7) بخش مهارت‌ها
------------------------------------------------------------------------- */
.skills-section { background: var(--color-bg-alt); }

.skill-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.9rem 1.4rem;
  text-align: center;
  height: 100%;
  transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}
.skill-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-gold-dim);
  background: var(--color-surface-2);
}
.skill-card i {
  font-size: 1.9rem;
  color: var(--color-gold);
  margin-bottom: 0.9rem;
  display: inline-block;
}
.skill-card h3 {
  font-size: 1.02rem;
  margin-bottom: 1rem;
}
.skill-bar {
  height: 4px;
  background: var(--color-border-strong);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 0.6rem;
}
.skill-bar span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--color-gold-dim), var(--color-gold-light));
  border-radius: 4px;
  transition: width 1.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.skill-card.in-view .skill-bar span,
.skill-card:hover .skill-bar span { width: var(--target-width, 80%); }
.skill-percent {
  font-size: 0.82rem;
  color: var(--color-text-faint);
}

.tools-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.7rem;
}
.tool-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--color-border-strong);
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}
.tool-pill i { color: var(--color-gold); }

/* -------------------------------------------------------------------------
   8) بخش پروژه‌ها
------------------------------------------------------------------------- */
.projects-section { background: var(--color-bg); }

.project-filters {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.filter-btn {
  background: transparent;
  border: 1px solid var(--color-border-strong);
  color: var(--color-text-muted);
  padding: 0.5rem 1.3rem;
  border-radius: 999px;
  font-family: var(--font-fa);
  font-size: 0.88rem;
  font-weight: 500;
  transition: var(--transition-fast);
}
.filter-btn:hover { color: var(--color-gold-light); border-color: var(--color-gold-dim); }
.filter-btn.active {
  background: var(--color-gold);
  color: #16190f;
  border-color: var(--color-gold);
}

.project-item { transition: opacity 320ms ease, transform 320ms ease; }
.project-item.hidden-item {
  display: none;
}

.project-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 100%;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}
.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-gold-dim);
}
.project-thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
}
.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
}
.project-card:hover .project-thumb img { transform: scale(1.08); }

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(15,18,15,0.85), transparent 60%);
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  padding: 1rem;
  opacity: 0;
  transition: opacity var(--transition-fast);
}
.project-card:hover .project-overlay { opacity: 1; }
.project-link {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-gold);
  color: #16190f;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.project-info { padding: 1.4rem; }
.project-cat {
  font-size: 0.76rem;
  color: var(--color-gold);
  font-weight: 600;
}
.project-info h3 {
  font-size: 1.15rem;
  margin: 0.5rem 0 0.6rem;
}
.project-info p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.85;
}

/* عناصر افزوده برای نمایش پویا (فقط زمانی نمایش داده می‌شوند که از بک‌اند مقدار داشته باشند) */
.project-year {
  font-size: 0.76rem;
  color: var(--color-text-faint);
  margin-inline-start: 0.6rem;
}
.project-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.9rem;
}
.tool-pill.sm {
  padding: 0.3rem 0.7rem;
  font-size: 0.74rem;
}

/* -------------------------------------------------------------------------
   9) بخش سوابق (Experience)
------------------------------------------------------------------------- */
.experience-section { background: var(--color-bg-alt); }

.timeline-heading {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.25rem;
  margin-bottom: 1.8rem;
  color: var(--color-text);
}
.timeline-heading i { color: var(--color-gold); }

.timeline {
  position: relative;
  padding-inline-end: 1.7rem;
  border-inline-end: 1px solid var(--color-border-strong);
}
.timeline-item {
  position: relative;
  padding-bottom: 2.3rem;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  position: absolute;
  inset-inline-end: -1.95rem;
  top: 0.3rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-gold);
  box-shadow: 0 0 0 4px rgba(201, 162, 75, 0.18);
}
.timeline-date {
  font-size: 0.8rem;
  color: var(--color-gold-light);
  font-weight: 600;
}
.timeline-item h4 {
  font-size: 1.08rem;
  margin: 0.4rem 0 0.2rem;
}
.timeline-org {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}
.timeline-desc {
  font-size: 0.92rem;
  color: var(--color-text-faint);
  line-height: 1.85;
}

/* -------------------------------------------------------------------------
   10) بخش خدمات
------------------------------------------------------------------------- */
.services-section { background: var(--color-bg); }

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem 1.6rem;
  height: 100%;
  position: relative;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-gold-dim);
}
.service-num {
  position: absolute;
  top: 1.2rem;
  left: 1.4rem;
  font-size: 0.85rem;
  color: var(--color-text-faint);
  font-weight: 700;
}
.service-card i {
  font-size: 1.8rem;
  color: var(--color-gold);
  margin-bottom: 1.1rem;
  display: inline-block;
}
.service-card h3 {
  font-size: 1.08rem;
  margin-bottom: 0.7rem;
}
.service-card p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.85;
}

/* -------------------------------------------------------------------------
   10-ب) بخش انتشارات / مقالات (Publications)
------------------------------------------------------------------------- */
.publications-section { background: var(--color-bg-alt); }

.publication-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem 1.6rem;
  height: 100%;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}
.publication-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-gold-dim);
}
.publication-card i {
  font-size: 1.7rem;
  color: var(--color-gold);
  margin-bottom: 0.9rem;
  display: inline-block;
}
.publication-date {
  display: block;
  font-size: 0.78rem;
  color: var(--color-text-faint);
  margin-bottom: 0.5rem;
}
.publication-card h3 {
  font-size: 1.06rem;
  margin-bottom: 0.7rem;
  line-height: 1.6;
}
.publication-card p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.85;
  margin-bottom: 1.1rem;
}
.publication-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--color-gold-light);
}
.publication-link:hover { color: var(--color-gold); }

/* -------------------------------------------------------------------------
   11) بخش نظرات مشتریان
------------------------------------------------------------------------- */
.testimonials-section { background: var(--color-bg-alt); }

.testimonial-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem 1.7rem;
  height: 100%;
}
.testimonial-card i {
  font-size: 1.6rem;
  color: var(--color-gold-dim);
  margin-bottom: 1rem;
  display: inline-block;
}
.testimonial-card p {
  color: var(--color-text-muted);
  line-height: 1.9;
  margin-bottom: 1.4rem;
}
.testimonial-author {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--color-border);
  padding-top: 0.9rem;
}
.testimonial-author strong { color: var(--color-text); font-size: 0.95rem; }
.testimonial-author span { color: var(--color-text-faint); font-size: 0.82rem; }

/* -------------------------------------------------------------------------
   12) بخش تماس
------------------------------------------------------------------------- */
.contact-section { background: var(--color-bg); }

.contact-list {
  list-style: none;
  padding: 0;
  margin: 1.8rem 0;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}
.contact-list li {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}
.contact-list i {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--color-border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold);
  flex-shrink: 0;
}
.contact-list div { display: flex; flex-direction: column; }
.contact-list span { font-size: 0.78rem; color: var(--color-text-faint); }
.contact-list a { font-weight: 600; }
.contact-list a:hover { color: var(--color-gold-light); }

.social-links {
  display: flex;
  gap: 0.7rem;
}
.social-links a {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--color-border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}
.social-links a:hover {
  background: var(--color-gold);
  color: #16190f;
  border-color: var(--color-gold);
  transform: translateY(-3px);
}

.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: clamp(1.6rem, 4vw, 2.4rem);
}
.form-label {
  color: var(--color-text-muted);
  font-size: 0.88rem;
  margin-bottom: 0.4rem;
}
.form-control {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border-strong);
  color: var(--color-text);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  font-family: var(--font-fa);
}
.form-control:focus {
  background: var(--color-bg-alt);
  border-color: var(--color-gold);
  color: var(--color-text);
  box-shadow: 0 0 0 3px rgba(201, 162, 75, 0.15);
}
.form-control::placeholder { color: var(--color-text-faint); }

.form-status {
  font-size: 0.9rem;
  min-height: 1.4em;
}
.form-status.success { color: #7fd9a0; }
.form-status.error { color: #e08585; }

/* -------------------------------------------------------------------------
   13) فوتر
------------------------------------------------------------------------- */
.footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding: 3.5rem 0 2rem;
}
.footer-brand {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--color-gold-light) !important;
}
.footer-tag {
  color: var(--color-text-faint);
  font-size: 0.9rem;
  margin-top: 0.6rem;
}
.footer-nav {
  list-style: none;
  display: flex;
  gap: 1.4rem;
  flex-wrap: wrap;
  justify-content: center;
  padding: 0;
  margin: 0;
}
.footer-nav a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}
.footer-nav a:hover { color: var(--color-gold-light); }

.footer-social {
  display: flex;
  gap: 0.7rem;
  justify-content: flex-start;
}
.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--color-border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: var(--transition-fast);
}
.footer-social a:hover {
  color: #16190f;
  background: var(--color-gold);
  border-color: var(--color-gold);
}

.footer-hr {
  border-color: var(--color-border);
  margin: 2.2rem 0 1.4rem;
}
.footer-copy {
  color: var(--color-text-faint);
  font-size: 0.85rem;
  text-align: center;
}
.footer-copy span { color: var(--color-text-muted); }

/* دکمه بازگشت به بالا */
.back-to-top {
  position: fixed;
  bottom: 1.8rem;
  left: 1.8rem;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--color-gold);
  color: #16190f;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-fast);
  z-index: 999;
  box-shadow: 0 8px 20px -6px rgba(201, 162, 75, 0.5);
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* -------------------------------------------------------------------------
   14) ریسپانسیو
------------------------------------------------------------------------- */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1rem 1.2rem;
    margin-top: 1rem;
  }
  .timeline { border-inline-end: 1px solid var(--color-border-strong); }
}

@media (max-width: 767.98px) {
  .hero-section { padding-top: 7rem; text-align: center; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-portrait { max-width: 280px; }
  .section-heading { text-align: center; }
  .about-fact { justify-content: center; }
  .back-to-top { left: 1rem; bottom: 1.2rem; width: 42px; height: 42px; }
}

@media (max-width: 575.98px) {
  .hero-title { font-size: 2.2rem; }
  .btn { width: 100%; text-align: center; }
  .hero-actions { flex-direction: column; }
  .stat-num { font-size: 1.6rem; }
}