/* ==========================================================================
   Al Takamul Portal - Master Stylesheet
   پرتال بازرگانی بین‌المللی تکامل - سیستم طراحی و استایل‌های یکپارچه
   ========================================================================== */

/* ==========================================================================
   ۱. بارگذاری فونت‌ها (فرهنگ ۲ برای عناوین و ایران‌شارپ برای متن و بدنه)
   ========================================================================== */
@font-face {
  font-family: 'Farhang2FaNum';
  src: url('../fonts/Farhang2FaNum-Regular.woff2') format('woff2'),
       url('../fonts/Farhang2FaNum-Regular.woff') format('woff'),
       url('../fonts/Farhang2FaNum-Regular.ttf') format('truetype');
  font-weight: 400 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Farhang2FaNum';
  src: url('../fonts/Farhang2FaNum-Bold.woff2') format('woff2'),
       url('../fonts/Farhang2FaNum-Bold.woff') format('woff'),
       url('../fonts/Farhang2FaNum-Bold.ttf') format('truetype');
  font-weight: 600 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'IRANSharp';
  src: url('../fonts/iransharp_regular_web.woff2') format('woff2'),
       url('../fonts/iransharp_regular_web.woff') format('woff'),
       url('../fonts/iransharp_regular_web.ttf') format('truetype');
  font-weight: 300 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'IRANSharp';
  src: url('../fonts/iransharp_bold_web.woff2') format('woff2'),
       url('../fonts/iransharp_bold_web.woff') format('woff'),
       url('../fonts/iransharp_bold_web.ttf') format('truetype');
  font-weight: 600 900;
  font-style: normal;
  font-display: swap;
}

/* ==========================================================================
   ۲. متغیرهای طراحی و رنگ‌بندی (Design Tokens)
   ========================================================================== */
:root,
html[data-theme="light"],
:root[data-theme="light"] {
  --font-heading: 'Farhang2FaNum', 'Segoe UI', Tahoma, sans-serif;
  --font-body: 'IRANSharp', Tahoma, 'Segoe UI', sans-serif;

  /* تم روشن (Light Theme) با کنتراست عالی و خوانایی کامل */
  --bg-primary: #f6f9fe;
  --bg-secondary: #ffffff;
  --bg-tertiary: #ebf3fb;
  --card-bg: rgba(255, 255, 255, 0.95);
  --card-border: rgba(18, 28, 59, 0.12);
  --input-border: #cbd5e1;
  --ink-primary: #0f172a;
  --ink-secondary: #334155;
  --ink-muted: #64748b;

  --primary: #00877d;
  --primary-hover: #007067;
  --primary-glow: rgba(0, 135, 125, 0.3);
  --secondary: #1e6bf2;
  --accent-gold: #b45309;
  --accent-coral: #e11d48;
  --accent-purple: #6d28d9;
  --hero-gradient: linear-gradient(135deg, #0e1e44 0%, #173268 45%, #00877d 100%);
  --mesh-1: rgba(0, 135, 125, 0.12);
  --mesh-2: rgba(30, 107, 242, 0.08);

  --shadow-sm: 0 4px 12px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 10px 28px rgba(15, 23, 42, 0.09);
  --shadow-lg: 0 18px 45px rgba(15, 23, 42, 0.13);
  --shadow-glow: 0 12px 35px var(--primary-glow);

  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 26px;
  --radius-pill: 9999px;
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* پالت زبان انگلیسی (Typography for LTR English) */
html[lang="en"] {
  --font-heading: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

:root[data-theme="dark"],
html[data-theme="dark"] {
  --bg-primary: #090e1f;
  --bg-secondary: #111933;
  --bg-tertiary: #162142;
  --card-bg: rgba(17, 25, 51, 0.88);
  --card-border: rgba(255, 255, 255, 0.09);
  --input-border: rgba(255, 255, 255, 0.16);
  --ink-primary: #f0f4ff;
  --ink-secondary: #b5c3e6;
  --ink-muted: #798bb4;

  --primary: #00dfcf;
  --primary-hover: #1ff5e6;
  --primary-glow: rgba(0, 223, 207, 0.32);
  --secondary: #3b82f6;
  --accent-gold: #f59e0b;
  --accent-coral: #ff4765;
  --accent-purple: #7048e8;
  --hero-gradient: linear-gradient(135deg, #070b18 0%, #0d1633 45%, #07383a 100%);
  --mesh-1: rgba(0, 223, 207, 0.07);
  --mesh-2: rgba(59, 130, 246, 0.08);

  --shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.55);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="dark"]) {
    --bg-primary: #090e1f;
    --bg-secondary: #111933;
    --bg-tertiary: #162142;
    --card-bg: rgba(17, 25, 51, 0.88);
    --card-border: rgba(255, 255, 255, 0.09);
    --input-border: rgba(255, 255, 255, 0.16);
    --ink-primary: #f0f4ff;
    --ink-secondary: #b5c3e6;
    --ink-muted: #798bb4;
    --primary: #00dfcf;
    --primary-hover: #1ff5e6;
    --primary-glow: rgba(0, 223, 207, 0.32);
    --secondary: #3b82f6;
    --hero-gradient: linear-gradient(135deg, #070b18 0%, #0d1633 45%, #07383a 100%);
    --mesh-1: rgba(0, 223, 207, 0.07);
    --mesh-2: rgba(59, 130, 246, 0.08);
    --shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.35);
    --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.45);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.55);
  }
}

/* ==========================================================================
   ۳. پایه‌ها و استایل کلی (Base Reset)
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 75px;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
}

body {
  background-color: var(--bg-primary);
  color: var(--ink-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.95;
  text-align: right;
  direction: rtl;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
  background-image:
    radial-gradient(circle at 10% 20%, var(--mesh-1) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, var(--mesh-2) 0%, transparent 40%);
  background-attachment: fixed;
  transition: background-color 0.4s ease, color 0.4s ease;
  padding-bottom: env(safe-area-inset-bottom, 20px);
}

html[dir="ltr"] body {
  direction: ltr;
  text-align: left;
  line-height: 1.75;
}

h1,
h2,
h3,
h4,
h5,
h6,
.font-heading,
.brand-name,
.badge,
.btn,
.step-badge,
.step-number-circle,
.stat-num,
.adv-card-title,
.step-card-title,
.modal-title,
.modal-header-badge,
.success-title,
.contact-trigger-btn,
.form-submit-btn,
.hero-badge-pill,
.hero-highlight-text b,
.image-caption-badge,
.footer-brand,
.mobile-sticky-btn {
  font-family: var(--font-heading);
  font-weight: 700;
}

button,
input,
textarea,
select {
  font-family: var(--font-body);
}

h1,
h2,
h3,
h4 {
  font-weight: 700;
  color: var(--ink-primary);
}

bdi,
.en {
  direction: ltr;
  unicode-bidi: isolate;
  display: inline-block;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-weight: 600;
}

.wrap {
  width: 100%;
  max-width: 96%;
  margin: 0 auto;
  padding: 0 14px;
  position: relative;
  z-index: 2;
}

@media (min-width: 640px) {
  .wrap {
    max-width: 85%;
    padding: 0 24px;
  }
}

/* ==========================================================================
   ۴. نوار بالای شناور، سوییچر تم و سوییچر زبان مدرن (Sticky Header)
   ========================================================================== */
.top-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: rgba(14, 30, 68, 0.88);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding: 8px 0;
  transition: var(--transition);
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #ffffff;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: grid;
  place-items: center;
  font-weight: 700;
  color: #fff;
  font-size: 19px;
  box-shadow: 0 4px 14px var(--primary-glow);
  flex-shrink: 0;
  overflow: hidden;
}

.brand-logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.brand-text-group {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 15.5px;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.25;
}

.brand-sub {
  font-size: 10.5px;
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: 0.3px;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* سوییچر زبان مدرن شیشه‌ای */
.lang-dropdown-wrapper {
  position: relative;
}

.lang-select-btn {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #ffffff;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 600;
  transition: var(--transition);
  min-height: 38px;
  touch-action: manipulation;
}

.lang-select-btn:active {
  transform: scale(0.96);
}

.dropdown-caret {
  font-size: 10px;
  opacity: 0.8;
  transition: transform 0.25s ease;
}

.lang-dropdown-wrapper.open .dropdown-caret {
  transform: rotate(180deg);
}

.lang-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  left: auto;
  background: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 6px;
  min-width: 135px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(14px);
  opacity: 0;
  visibility: hidden;
  display: none;
  transform: translateY(-8px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 120;
}

html[dir="rtl"] .lang-dropdown-menu {
  right: auto;
  left: 0;
}

.lang-dropdown-wrapper.open .lang-dropdown-menu {
  display: block;
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-option-btn {
  width: 100%;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-primary);
  cursor: pointer;
  text-align: inherit;
  transition: background 0.2s ease;
}

.lang-option-btn:hover {
  background: var(--bg-tertiary);
}

.lang-option-btn.active {
  background: rgba(0, 180, 166, 0.15);
  color: var(--primary);
}

.theme-toggle-btn {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #ffffff;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 600;
  transition: var(--transition);
  min-height: 38px;
  touch-action: manipulation;
}

.theme-toggle-btn:active,
.nav-home-btn:active {
  transform: scale(0.96);
}

.nav-home-btn {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #ffffff;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  min-height: 38px;
  touch-action: manipulation;
}

@media (hover: hover) {
  .theme-toggle-btn:hover,
  .lang-select-btn:hover,
  .nav-home-btn:hover {
    background: rgba(255, 255, 255, 0.22);
    color: #ffffff;
    transform: translateY(-2px);
  }
}

@media (max-width: 639px) {
  #currentLangLabel,
  #themeLabel,
  .nav-home-text {
    display: none !important;
  }

  .lang-select-btn {
    padding: 0 10px;
    min-height: 36px;
    height: 36px;
    gap: 4px;
    font-size: 15px;
  }

  .theme-toggle-btn,
  .nav-home-btn {
    padding: 0;
    width: 36px;
    height: 36px;
    min-height: 36px;
    display: inline-grid;
    place-items: center;
    border-radius: 50%;
    font-size: 16px;
  }

  .top-actions {
    gap: 6px;
  }

  .brand-text-group {
    max-width: calc(100vw - 150px);
    overflow: hidden;
  }

  .brand-name {
    font-size: 13.5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .brand-sub {
    font-size: 9.5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}

/* ==========================================================================
   ۵. بخش هیرو (Hero Section) و هایلایت‌ها
   ========================================================================== */
.hero {
  background: var(--hero-gradient);
  color: #ffffff;
  padding: 38px 0 32px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 15px 35px rgba(10, 20, 50, 0.35);
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(55px);
  pointer-events: none;
  opacity: 0.35;
  animation: floatOrb 8s ease-in-out infinite alternate;
}

.hero-orb-1 {
  width: 240px;
  height: 240px;
  background: var(--primary);
  top: -70px;
  right: -50px;
}

.hero-orb-2 {
  width: 200px;
  height: 200px;
  background: var(--accent-coral);
  bottom: 20px;
  left: -50px;
  animation-duration: 11s;
}

@keyframes floatOrb {
  0% {
    transform: translate(0, 0) scale(1);
  }
  100% {
    transform: translate(25px, 18px) scale(1.12);
  }
}

.hero-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.24);
  backdrop-filter: blur(8px);
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  color: #ffe685;
  margin-bottom: 14px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
  max-width: 100%;
}

.hero-badge-pill .pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #00dfcf;
  box-shadow: 0 0 10px #00dfcf;
  animation: dotPulse 1.8s infinite;
  flex-shrink: 0;
}

@keyframes dotPulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.6);
    opacity: 0.5;
  }
}

.hero h1 {
  font-size: clamp(23px, 6.2vw, 40px);
  line-height: 1.45;
  margin: 0 0 10px;
  font-weight: 700;
  color: #ffffff;
  text-shadow: 0 3px 12px rgba(0, 0, 0, 0.35);
}

.hero-sub {
  font-size: clamp(15px, 3.8vw, 19px);
  margin: 0 0 16px;
  font-weight: 400;
  color: #e2eeff;
  line-height: 1.75;
}

.hero-highlights-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin: 20px 0 10px;
}

@media (min-width: 640px) {
  .hero-highlights-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
  }

  .hero-highlight-item {
    flex: 1 1 240px;
  }
}

.hero-highlight-item {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  gap: 12px;
  transition: var(--transition);
}

.hero-highlight-icon {
  font-size: 24px;
  flex-shrink: 0;
}

.hero-highlight-text {
  font-size: 13.5px;
  line-height: 1.5;
  color: #ffffff;
}

.hero-highlight-text b {
  display: block;
  font-size: 14.5px;
  font-weight: 700;
  color: #ffe685;
}

/* ==========================================================================
   ۶. شبیه‌ساز مسیر کریدور تجاری SVG (Maritime Corridor)
   ========================================================================== */
.route-card {
  background: rgba(10, 20, 50, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-md);
  padding: 14px 12px;
  margin-top: 22px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(12px);
}

.route-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 6px;
  margin-bottom: 8px;
  padding: 0 4px;
  font-size: 12.5px;
  color: #d1e2ff;
}

.route-svg {
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.3));
}

.route-dash {
  stroke-dasharray: 8 10;
  animation: flowRoute 2.2s linear infinite;
}

@keyframes flowRoute {
  to {
    stroke-dashoffset: -72;
  }
}

.node-pulse-iran {
  transform-origin: 300px 68px;
  animation: nodeHeartbeat 2.2s ease-in-out infinite;
}

.node-pulse-oman {
  transform-origin: 100px 68px;
  animation: nodeHeartbeat 2.2s ease-in-out infinite 0.7s;
}

@keyframes nodeHeartbeat {
  0%, 100% {
    transform: scale(1);
    opacity: 0.85;
  }
  50% {
    transform: scale(1.22);
    opacity: 0.45;
  }
}

.cargo-glow {
  filter: drop-shadow(0 0 8px #ffdf40);
}

/* ==========================================================================
   ۷. ساختار بخش‌ها و کارت‌ها (Sections & Cards)
   ========================================================================== */
section {
  padding: 38px 0;
  position: relative;
}

@media (min-width: 640px) {
  section {
    padding: 48px 0;
  }
}

.section-title-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.section-icon-box {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--card-bg), var(--bg-tertiary));
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-sm);
  display: grid;
  place-items: center;
  font-size: 24px;
  flex-shrink: 0;
  transition: var(--transition);
}

h2 {
  font-size: clamp(19px, 4.8vw, 26px);
  line-height: 1.5;
  font-weight: 700;
  color: var(--ink-primary);
  margin: 0;
}

.section-num-tag {
  color: var(--primary);
  margin: 0 2px;
}

p {
  margin-bottom: 16px;
  color: var(--ink-secondary);
}

.lead-box {
  background: linear-gradient(135deg, rgba(0, 180, 166, 0.08), rgba(30, 107, 242, 0.08));
  border-inline-start: 4px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  margin: 16px 0 20px;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--ink-primary);
  box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   ۸. ظروف تصاویر اختصاصی (Feature Image Showcase)
   ========================================================================== */
.feature-image-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin: 20px 0 26px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--card-border);
  background: var(--bg-secondary);
  transition: var(--transition);
}

@media (min-width: 640px) {
  .feature-image-card {
    border-radius: var(--radius-lg);
  }
}

.feature-image-card picture,
.feature-image-card img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
  transition: transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}

@media (hover: hover) {
  .feature-image-card:hover img {
    transform: scale(1.03);
  }
}

.image-caption-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 12px 16px;
  background: linear-gradient(180deg, transparent 0%, rgba(9, 14, 31, 0.90) 100%);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
  backdrop-filter: blur(4px);
  z-index: 3;
}

.image-caption-overlay span {
  font-weight: 600;
  line-height: 1.4;
}

.image-caption-badge {
  background: var(--primary);
  color: #0b132b;
  font-weight: 700;
  font-size: 11.5px;
  padding: 3px 9px;
  border-radius: var(--radius-pill);
  flex-shrink: 0;
}

/* ==========================================================================
   ۹. کارت‌های مزیت‌های عمان (Advantage Grid)
   ========================================================================== */
.advantage-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 20px;
}

@media (min-width: 640px) {
  .advantage-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .advantage-grid .adv-card:last-child:nth-child(odd),
  .advantage-grid .full-width-card {
    grid-column: 1 / -1;
  }
}

.adv-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 18px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  backdrop-filter: blur(12px);
}

.adv-card::before {
  content: "";
  position: absolute;
  top: 0;
  inset-inline-start: 0;
  width: 4px;
  height: 100%;
  background: var(--card-accent, var(--primary));
  border-radius: 4px;
}

@media (hover: hover) {
  .adv-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: rgba(0, 180, 166, 0.25);
  }
}

.adv-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.adv-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--adv-bg, rgba(0, 180, 166, 0.12));
  color: var(--card-accent, var(--primary));
  font-size: 20px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.adv-card-title {
  font-size: 16.5px;
  font-weight: 700;
  color: var(--ink-primary);
  margin: 0;
}

.adv-card-desc {
  font-size: 14.5px;
  color: var(--ink-secondary);
  line-height: 1.85;
  margin: 0;
}

.card-teal { --card-accent: #00b4a6; --adv-bg: rgba(0, 180, 166, 0.12); }
.card-coral { --card-accent: #ff4765; --adv-bg: rgba(255, 71, 101, 0.12); }
.card-purple { --card-accent: #7c4dff; --adv-bg: rgba(124, 77, 255, 0.12); }
.card-gold { --card-accent: #e89b00; --adv-bg: rgba(232, 155, 0, 0.12); }
.card-blue { --card-accent: #1e90ff; --adv-bg: rgba(30, 144, 255, 0.12); }
.card-indigo { --card-accent: #4361ee; --adv-bg: rgba(67, 97, 238, 0.12); }
.card-emerald { --card-accent: #059669; --adv-bg: rgba(5, 150, 105, 0.12); }

/* ==========================================================================
   ۱۰. زنجیره ارزش ۳ مرحله‌ای (Value Chain Steps)
   ========================================================================== */
.steps-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 22px 0;
  position: relative;
}

.step-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 18px 16px;
  box-shadow: var(--shadow-sm);
  display: flex;
  gap: 16px;
  align-items: flex-start;
  position: relative;
  transition: var(--transition);
}

/* کلاس‌های اختصاصی رنگ مراحل بدون نیاز به استایل اینلاین */
.step-card-teal {
  --step-color: #00b4a6;
}

.step-card-coral {
  --step-color: #ff4765;
}

.step-card-purple {
  --step-color: #7c4dff;
}

@media (min-width: 640px) {
  .step-card {
    padding: 22px 20px;
    gap: 20px;
  }
}

.step-number-circle {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--step-color, var(--primary));
  color: #ffffff;
  display: grid;
  place-items: center;
  font-size: 20px;
  font-weight: 700;
  flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.step-card-content {
  flex: 1;
}

.step-card-title {
  font-size: 17.5px;
  font-weight: 700;
  color: var(--ink-primary);
  margin-bottom: 6px;
}

.step-card-text {
  font-size: 14.5px;
  color: var(--ink-secondary);
  line-height: 1.85;
  margin: 0;
}

.step-arrow-divider {
  display: flex;
  justify-content: center;
  margin: -6px 0;
  color: var(--primary);
  font-size: 18px;
}

/* ==========================================================================
   ۱۱. سبد خدمات اجرایی تکامل (Services List)
   ========================================================================== */
.services-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 20px;
}

@media (min-width: 640px) {
  .services-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  /* اگر تعداد باکس‌ها فرد باشد، آخرین باکس کل ردیف آخر را پوشش می‌دهد تا هیچ ستون خالی نماند */
  .services-list .service-item:last-child:nth-child(odd) {
    grid-column: 1 / -1;
    border-color: rgba(0, 180, 166, 0.28);
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(0, 180, 166, 0.05) 100%);
  }
}

.service-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

@media (hover: hover) {
  .service-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: rgba(0, 180, 166, 0.35);
  }
}

.service-icon {
  font-size: 26px;
  flex-shrink: 0;
  line-height: 1.2;
}

.service-content b {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-primary);
  margin-bottom: 4px;
}

.service-content p {
  margin: 0;
  font-size: 14.5px;
  color: var(--ink-secondary);
  line-height: 1.8;
}

/* ==========================================================================
   ۱۲. سکشن آخر و دکمه باز کردن مودال تماس (Conclusion & Contact Trigger)
   ========================================================================== */
.conclusion-card {
  background: linear-gradient(135deg, #10234a 0%, #173877 60%, #00877d 100%);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 30px 20px;
  box-shadow: 0 18px 45px rgba(16, 35, 74, 0.35);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  margin: 16px 0 32px;
}

@media (min-width: 640px) {
  .conclusion-card {
    padding: 38px 28px;
  }
}

.conclusion-card::after {
  content: "";
  position: absolute;
  width: 250px;
  height: 250px;
  background: var(--primary);
  border-radius: 50%;
  bottom: -90px;
  left: -80px;
  opacity: 0.25;
  filter: blur(60px);
}

.conclusion-card h2 {
  color: #ffffff;
  margin-bottom: 14px;
}

.conclusion-card p {
  color: #e5efff;
  font-size: 15.5px;
  line-height: 1.95;
  margin-bottom: 24px;
}

.conclusion-icon-box {
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
}

.conclusion-btn-wrap {
  display: flex;
  justify-content: center;
  margin-top: 10px;
}

.contact-trigger-btn {
  background: linear-gradient(135deg, var(--primary), #00a896);
  color: #ffffff !important;
  font-weight: 700;
  font-size: 16.5px;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  box-shadow: 0 8px 24px rgba(0, 168, 150, 0.35);
  transition: var(--transition);
  min-height: 52px;
  width: 100%;
  max-width: 360px;
  touch-action: manipulation;
}

.contact-trigger-btn:active {
  transform: scale(0.97);
}

@media (hover: hover) {
  .contact-trigger-btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 30px rgba(0, 135, 125, 0.45);
    background: linear-gradient(135deg, var(--primary-hover, #007067), #00564f) !important;
    color: #ffffff !important;
  }
}

html[data-theme="dark"] .contact-trigger-btn {
  background: linear-gradient(135deg, #00dfcf, #00b4a6);
  color: #0b132b !important;
}

html[data-theme="dark"] .contact-trigger-btn:hover {
  background: linear-gradient(135deg, #1ff5e6, #00dfcf) !important;
  color: #0b132b !important;
  box-shadow: 0 12px 30px rgba(0, 223, 207, 0.65);
}

/* ==========================================================================
   ۱۳. مودال فوق‌العاده شیک فرم تماس (Elegant Contact Modal)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(8, 14, 30, 0.78);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: 16px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  overflow-y: auto;
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background: var(--bg-secondary);
  color: var(--ink-primary);
  width: 100%;
  max-width: 520px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--card-border);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
  position: relative;
  overflow: hidden;
  transform: translateY(24px) scale(0.96);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  margin: auto;
}

.modal-overlay.open .modal-dialog {
  transform: translateY(0) scale(1);
}

.modal-top-accent {
  height: 5px;
  background: linear-gradient(90deg, var(--secondary), var(--primary), var(--accent-gold));
}

.modal-body {
  padding: 24px 20px;
}

@media (min-width: 640px) {
  .modal-body {
    padding: 30px 28px;
  }
}

.modal-close-btn {
  position: absolute;
  top: 18px;
  left: 18px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  color: var(--ink-secondary);
  display: grid;
  place-items: center;
  font-size: 20px;
  cursor: pointer;
  transition: var(--transition);
  z-index: 5;
}

html[dir="ltr"] .modal-close-btn {
  left: auto;
  right: 18px;
}

.modal-close-btn:hover {
  background: #ff4765;
  color: #fff;
  transform: rotate(90deg);
}

.modal-header-badge {
  display: inline-block;
  background: rgba(0, 180, 166, 0.12);
  color: var(--primary);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 12.5px;
  font-weight: 700;
  margin-bottom: 8px;
}

.modal-title {
  font-size: 21px;
  font-weight: 700;
  margin-bottom: 6px;
}

.modal-desc {
  font-size: 14px;
  color: var(--ink-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}

/* فیلدهای فرم تماس و حالت‌های خطا */
.form-group {
  margin-bottom: 15px;
  text-align: inherit;
}

.form-label {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-primary);
  margin-bottom: 6px;
}

.form-label .req {
  color: #ff4765;
  margin-inline-end: 2px;
}

.form-control {
  width: 100%;
  background: var(--bg-primary);
  border: 1.5px solid var(--input-border, #cbd5e1);
  color: var(--ink-primary);
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: var(--font-body);
  outline: none;
  transition: var(--transition);
  min-height: 48px;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
  background: var(--bg-secondary);
}

/* حالت خطای ورودی */
.form-control.is-invalid {
  border-color: #ff4765 !important;
  background: rgba(255, 71, 101, 0.04) !important;
  box-shadow: 0 0 0 3px rgba(255, 71, 101, 0.2) !important;
}

.field-error-msg {
  display: none;
  font-size: 12px;
  color: #ff4765;
  margin-top: 4px;
  font-weight: 600;
}

.form-control.is-invalid + .field-error-msg {
  display: block;
}

textarea.form-control {
  resize: vertical;
  min-height: 85px;
}

.form-submit-btn {
  width: 100%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #ffffff;
  border: none;
  border-radius: var(--radius-pill);
  padding: 14px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: var(--shadow-glow);
  transition: var(--transition);
  min-height: 50px;
  margin-top: 18px;
  touch-action: manipulation;
}

.form-submit-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

@media (hover: hover) {
  .form-submit-btn:not(:disabled):hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px var(--primary-glow);
  }
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2.5px solid rgba(255, 255, 255, 0.35);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: none;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* وضعیت موفقیت در ارسال */
.modal-success-state {
  display: none;
  text-align: center;
  padding: 25px 10px;
}

.success-icon-box {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: rgba(0, 180, 166, 0.15);
  color: var(--primary);
  display: grid;
  place-items: center;
  font-size: 34px;
  margin: 0 auto 16px;
  animation: popIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes popIn {
  0% {
    transform: scale(0.3);
    opacity: 0;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.success-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--ink-primary);
  margin-bottom: 8px;
}

.success-desc {
  font-size: 15px;
  color: var(--ink-secondary);
  line-height: 1.8;
  margin-bottom: 18px;
}

.inquiry-ref-badge {
  display: inline-block;
  background: var(--bg-tertiary);
  border: 1px dashed var(--primary);
  color: var(--ink-primary);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  margin-bottom: 22px;
}

.inquiry-ref-badge b {
  color: var(--primary);
  font-size: 16px;
  margin-inline-start: 4px;
}

.is-hidden {
  display: none !important;
}

.success-close-btn {
  margin-top: 0 !important;
}

/* ==========================================================================
   ۱۴. فوتر و دکمه بازگشت به بالا (Footer & Back To Top)
   ========================================================================== */
footer {
  text-align: center;
  padding: 26px 18px 36px;
  border-top: 1px solid var(--card-border);
  color: var(--ink-muted);
  font-size: 13.5px;
}

.footer-brand {
  font-weight: 700;
  font-size: 16px;
  color: var(--ink-primary);
  margin-bottom: 6px;
}

.back-to-top {
  position: fixed;
  bottom: 24px;
  left: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: #ffffff !important;
  border: none;
  box-shadow: var(--shadow-glow);
  display: grid;
  place-items: center;
  font-size: 19px;
  font-weight: 700;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(18px);
  transition: var(--transition);
  z-index: 98;
}

.back-to-top:hover {
  background: var(--primary-hover, #007067);
  color: #ffffff !important;
  transform: translateY(-2px);
}

html[data-theme="dark"] .back-to-top {
  background: var(--primary);
  color: #081127 !important;
}

html[data-theme="dark"] .back-to-top:hover {
  background: var(--primary-hover, #1ff5e6);
  color: #081127 !important;
}

html[dir="ltr"] .back-to-top {
  left: auto;
  right: 24px;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* منوی افقی فوتر */
.footer-nav {
  margin: 0 auto 24px;
  width: 100%;
  display: flex;
  justify-content: center;
}

.footer-links-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 10px 16px;
  justify-content: center;
  align-items: center;
}

.footer-links-list li {
  margin: 0;
}

.footer-links-list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-secondary);
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--card-border);
  transition: var(--transition);
  white-space: nowrap;
}

.footer-links-list a:hover {
  color: var(--primary);
  background: rgba(0, 180, 166, 0.12);
  border-color: rgba(0, 180, 166, 0.35);
  transform: translateY(-2px);
}

@media (max-width: 639px) {
  .footer-nav {
    margin: 0 auto 20px;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding: 4px 0;
  }

  .footer-nav::-webkit-scrollbar {
    display: none;
  }

  .footer-links-list {
    flex-wrap: nowrap !important;
    justify-content: flex-start;
    width: max-content;
    margin: 0 auto;
    padding: 2px 10px;
    gap: 5px;
  }

  .footer-links-list li {
    flex-shrink: 0;
  }

  .footer-links-list a {
    font-size: 8px;
    padding: 5px 5px;
  }
}

/* دکمه فلوتینگ تماس و ارتباط سریع (بالای بازگشت به بالا) */
.floating-contact-btn {
  position: fixed;
  bottom: 80px;
  left: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: #ffffff;
  border: none;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
  display: grid;
  place-items: center;
  font-size: 22px;
  cursor: pointer;
  z-index: 99;
  text-decoration: none;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  animation: pulseContact 3s infinite;
}

.floating-contact-btn svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

html[dir="ltr"] .floating-contact-btn {
  left: auto;
  right: 24px;
}

@media (hover: hover) {
  .floating-contact-btn:hover {
    transform: translateY(-3px) scale(1.08);
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.65);
  }
}

@keyframes pulseContact {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
  }
  50% {
    transform: scale(1.06);
    box-shadow: 0 8px 26px rgba(37, 211, 102, 0.7);
  }
}

@media (max-width: 639px) {
  .floating-contact-btn {
    bottom: 128px;
    left: 16px;
    width: 42px;
    height: 42px;
  }
  .floating-contact-btn svg {
    width: 22px;
    height: 22px;
  }
  html[dir="ltr"] .floating-contact-btn {
    left: auto;
    right: 16px;
  }
}

/* استایل‌های صفحات سفارشی (Custom Inner Pages) */
.custom-page-container {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-sm);
  margin: 30px auto 50px;
  line-height: 1.85;
  color: var(--ink-secondary);
}

.custom-page-content {
  font-size: 15px;
  line-height: 1.9;
}

.custom-page-content h2,
.custom-page-content h3,
.custom-page-content h4 {
  color: var(--ink-primary);
  font-family: var(--font-heading);
  margin-top: 1.8rem;
  margin-bottom: 0.8rem;
}

.custom-page-content h2 {
  font-size: 1.45rem;
  border-bottom: 2px solid var(--card-border);
  padding-bottom: 0.5rem;
}

.custom-page-content h3 {
  font-size: 1.25rem;
}

.custom-page-content p {
  margin-bottom: 1.25rem;
}

.custom-page-content ul,
.custom-page-content ol {
  padding-inline-start: 1.6rem;
  margin-bottom: 1.25rem;
}

.custom-page-content li {
  margin-bottom: 0.5rem;
}

.custom-page-content blockquote {
  border-inline-start: 4px solid var(--primary);
  background: var(--bg-tertiary);
  padding: 12px 18px;
  border-radius: 6px;
  margin: 1.25rem 0;
  color: var(--ink-primary);
  font-style: italic;
}

.custom-page-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
}

.custom-page-content table th,
.custom-page-content table td {
  border: 1px solid var(--card-border);
  padding: 10px 14px;
  text-align: inherit;
}

.custom-page-content table th {
  background: var(--bg-tertiary);
  color: var(--ink-primary);
}

.custom-page-content a {
  color: var(--primary);
  text-decoration: underline;
}

@media (max-width: 639px) {
  .custom-page-container {
    padding: 20px 16px;
    margin: 20px auto 40px;
  }
}

/* استایل‌های آکاردئون اختصاصی سوالات متداول */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 30px 0 40px;
}

.accordion-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.accordion-item.active {
  border-color: rgba(0, 180, 166, 0.45);
  box-shadow: var(--shadow-md);
}

.accordion-header {
  width: 100%;
  background: none;
  border: none;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  cursor: pointer;
  text-align: inherit;
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-primary);
  transition: color 0.2s ease, background 0.2s ease;
}

.accordion-header:hover {
  background: rgba(0, 180, 166, 0.05);
  color: var(--primary);
}

.accordion-title-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.accordion-num {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(0, 180, 166, 0.12);
  color: var(--primary);
  display: grid;
  place-items: center;
  font-size: 13.5px;
  font-weight: 700;
  flex-shrink: 0;
}

.accordion-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--card-border);
  display: grid;
  place-items: center;
  font-size: 13px;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), background 0.3s ease;
  flex-shrink: 0;
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
  background: var(--primary);
  color: #081127;
}

.accordion-content {
  display: none;
}

.accordion-item.active .accordion-content {
  display: block;
}

.accordion-body {
  padding: 0 20px 20px 20px;
  font-size: 15px;
  line-height: 1.95;
  color: var(--ink-secondary);
  border-top: 1px dashed var(--card-border);
  padding-top: 16px;
}

/* استایل صفحات فرعی (Page Hero & Cards) */
.page-hero {
  padding: 40px 0 24px;
  text-align: center;
}

.page-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 180, 166, 0.12);
  border: 1px solid rgba(0, 180, 166, 0.3);
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 14px;
}

.page-hero h1 {
  font-size: clamp(23px, 5vw, 34px);
  margin-bottom: 12px;
  color: var(--ink-primary);
  line-height: 1.45;
}

.page-hero p {
  font-size: 16px;
  color: var(--ink-secondary);
  max-width: 820px;
  margin: 0 auto;
  line-height: 1.85;
}

.page-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.page-card h2, .page-card h3 {
  color: var(--ink-primary);
  margin-bottom: 12px;
  font-size: 19px;
}

.page-card p {
  color: var(--ink-secondary);
  line-height: 1.95;
  margin-bottom: 14px;
}

.page-card p:last-child {
  margin-bottom: 0;
}

/* ==========================================================================
   ۱۵. دکمه چسبان اقدام در موبایل (Mobile Sticky CTA)
   ========================================================================== */
.mobile-sticky-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom, 0px));
  background: rgba(14, 30, 68, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 -8px 25px rgba(0, 0, 0, 0.3);
  transform: translateY(100%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-sticky-cta.visible {
  transform: translateY(0);
}

.mobile-sticky-btn {
  width: 100%;
  background: linear-gradient(135deg, var(--primary), #00a896);
  color: #ffffff !important;
  font-weight: 700;
  font-size: 15.5px;
  border: none;
  border-radius: var(--radius-pill);
  padding: 12px 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: 0 4px 18px rgba(0, 168, 150, 0.35);
  touch-action: manipulation;
  transition: var(--transition);
}

.mobile-sticky-btn:hover {
  background: linear-gradient(135deg, var(--primary-hover, #007067), #00564f) !important;
  color: #ffffff !important;
}

html[data-theme="dark"] .mobile-sticky-btn {
  background: linear-gradient(135deg, #00dfcf, #00b4a6);
  color: #0b132b !important;
}

html[data-theme="dark"] .mobile-sticky-btn:hover {
  background: linear-gradient(135deg, #1ff5e6, #00dfcf) !important;
  color: #0b132b !important;
}

@media (max-width: 639px) {
  .mobile-sticky-cta {
    display: block;
  }
  body {
    padding-bottom: 75px;
  }
  .back-to-top {
    bottom: 76px;
    left: 16px;
    width: 42px;
    height: 42px;
    font-size: 17px;
  }
  html[dir="ltr"] .back-to-top {
    left: auto;
    right: 16px;
  }
}

/* ==========================================================================
   ۱۶. انیمیشن‌های اسکرول (Scroll Reveal)
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1), transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

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

  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ==========================================================================
   ۱۷. استایل‌های صفحات جانبی (Thank You & 404 Pages)
   ========================================================================== */
.standalone-page-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px 16px;
  text-align: center;
}

.thank-card,
.error-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 40px 24px;
  max-width: 540px;
  width: 100%;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(14px);
  margin: auto;
}

.thank-card h1,
.error-card h1 {
  font-family: var(--font-heading);
  font-size: clamp(22px, 5vw, 28px);
  margin-bottom: 12px;
  color: var(--ink-primary);
}

.thank-card p,
.error-card p {
  color: var(--ink-secondary);
  font-size: 15.5px;
  margin-bottom: 24px;
}

.check-icon-box {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(0, 180, 166, 0.15);
  color: var(--primary);
  display: grid;
  place-items: center;
  font-size: 40px;
  margin: 0 auto 20px;
  box-shadow: 0 0 25px var(--primary-glow);
}

.error-code-badge {
  font-family: var(--font-heading);
  font-size: clamp(65px, 14vw, 95px);
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, var(--accent-coral), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.ref-box {
  background: var(--bg-primary);
  border: 1.5px dashed var(--primary);
  border-radius: var(--radius-md);
  padding: 14px;
  margin-bottom: 28px;
  display: inline-block;
  width: 100%;
}

.ref-label {
  font-size: 13px;
  color: var(--ink-muted);
  display: block;
  margin-bottom: 4px;
}

.ref-code {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 1px;
}

.home-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  text-decoration: none;
  padding: 14px 32px;
  border-radius: var(--radius-pill);
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  box-shadow: 0 8px 24px var(--primary-glow);
  transition: var(--transition);
}

.home-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px var(--primary-glow);
}