/**
 * =============================================================================
 * ستار بيلت لتصنيع السيور والعوازل الحرارية - STAR BELT
 * styles.css - ملف التنسيقات والأنماط البصرية
 * =============================================================================
 * Strict Brand Guidelines:
 * - Bright theme, flat vector corporate style.
 * - NO gradients, NO glow, NO 3D effects, NO dark backgrounds.
 * - Colors: Navy (#14214F), Golden Yellow (#F5B71C), Light Gray (#E6E8EC), White (#FFFFFF)
 *   + Slightly darker yellow (#DFA20B) strictly for conveyor belt ribs.
 * - Text rules: Navy on Yellow (#14214F on #F5B71C), White on Navy (#FFFFFF on #14214F).
 * - Fonts: Tajawal (Arabic) + Montserrat (Latin / digits).
 * =============================================================================
 */

/* -------------------------------------------------------------------------- */
/* 1. المتغيرات والأساسيات (Design Tokens)                                    */
/* -------------------------------------------------------------------------- */
:root {
  --color-navy: #14214F;
  --color-yellow: #F5B71C;
  --color-yellow-rib: #DFA20B;
  --color-white: #FFFFFF;
  --color-gray: #E6E8EC;
  --color-gray-light: #F7F8FA;

  /* Typography */
  --font-arabic: 'Tajawal', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-latin: 'Montserrat', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Layout & Spacing */
  --container-max: 1200px;
  --header-height: 76px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 9999px;

  /* Signatures */
  --frame-border: 3px solid var(--color-yellow);
  --frame-shadow: 6px 6px 0px var(--color-navy);
  --frame-shadow-sm: 4px 4px 0px var(--color-navy);
  --card-border: 2px solid var(--color-navy);

  --transition-fast: 0.18s ease;
}

/* -------------------------------------------------------------------------- */
/* 2. إعادة الضبط والتأسيس (Reset & Base)                                     */
/* -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
  max-width: 100%;
}

body {
  direction: rtl;
  text-align: right;
  font-family: var(--font-arabic);
  font-weight: 500;
  color: var(--color-navy);
  background-color: var(--color-white);
  line-height: 1.6;
  overflow-x: hidden;
  max-width: 100%;
  position: relative;
  padding-top: var(--header-height);
}

[id] {
  scroll-margin-top: calc(var(--header-height) + 16px);
}

/* Faint chevron pattern background on body/sections */
.bg-chevron-pattern {
  background-color: var(--color-white);
  background-image: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 20 L20 30 L40 20 L40 23 L20 33 L0 23 Z' fill='%23E6E8EC' fill-opacity='0.6' fill-rule='evenodd'/%3E%3C/svg%3E");
}

.bg-stripes-pattern {
  background-color: var(--color-gray-light);
  background-image: repeating-linear-gradient(
    -45deg,
    var(--color-gray-light),
    var(--color-gray-light) 18px,
    var(--color-gray) 18px,
    var(--color-gray) 20px
  );
}

img, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

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

button, input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
  color: inherit;
}

ul, ol {
  list-style: none;
}

/* Numbers in Montserrat for precision */
.num, .latin-num {
  font-family: var(--font-latin);
  font-feature-settings: "tnum" 1;
  font-variant-numeric: tabular-nums;
  display: inline-block;
  direction: ltr;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

@media (max-width: 480px) {
  .container {
    padding-inline: 0.85rem;
  }
}

/* -------------------------------------------------------------------------- */
/* 3. عناصر التصميم المميزة (Signature Elements)                             */
/* -------------------------------------------------------------------------- */

/* Navy rounded title bar with white text */
.navy-title-bar {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--color-navy);
  color: var(--color-white);
  padding: 0.45rem 1.4rem;
  border-radius: var(--radius-pill);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.85rem;
  border: 1px solid var(--color-navy);
}

/* Rounded yellow bar for CTAs & highlights */
.yellow-bar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  background-color: var(--color-yellow);
  color: var(--color-navy);
  font-weight: 800;
  padding: 0.55rem 1.5rem;
  border-radius: var(--radius-pill);
  border: 2px solid var(--color-navy);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.yellow-bar:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 0 var(--color-navy);
}

/* Photo frames: thick yellow outline and navy bottom/right offset shadow */
.photo-frame {
  border: var(--frame-border);
  box-shadow: var(--frame-shadow);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
  overflow: hidden;
  position: relative;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.photo-frame:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0px var(--color-navy);
}

/* Bold diagonal yellow conveyor belt band with navy side stripe and rib lines */
.conveyor-belt-band {
  width: 100%;
  height: 28px;
  background-color: var(--color-yellow);
  border-top: 4px solid var(--color-navy);
  border-bottom: 4px solid var(--color-navy);
  position: relative;
  overflow: hidden;
}

.conveyor-belt-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 14px,
    var(--color-yellow-rib) 14px,
    var(--color-yellow-rib) 18px
  );
}

/* Large navy roller circle cropped at a corner */
.roller-pulley-graphic {
  position: absolute;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background-color: var(--color-navy);
  border: 14px solid var(--color-yellow);
  z-index: 1;
  pointer-events: none;
}

.roller-pulley-graphic::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: var(--color-yellow);
  border: 8px solid var(--color-white);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-weight: 800;
  font-size: 1.05rem;
  padding: 0.85rem 1.8rem;
  border-radius: var(--radius-pill);
  cursor: pointer;
  border: 2px solid var(--color-navy);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
  text-align: center;
  user-select: none;
  min-height: 48px;
}

.btn-yellow {
  background-color: var(--color-yellow);
  color: var(--color-navy);
  box-shadow: 3px 3px 0 var(--color-navy);
}

.btn-yellow:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--color-navy);
}

.btn-navy {
  background-color: var(--color-navy);
  color: var(--color-white);
  box-shadow: 3px 3px 0 var(--color-yellow);
}

.btn-navy:hover {
  background-color: #0d1636;
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--color-yellow);
}

.btn-outline {
  background-color: var(--color-white);
  color: var(--color-navy);
  border: 2px solid var(--color-navy);
}

.btn-outline:hover {
  background-color: var(--color-gray);
}

.btn-sm {
  font-size: 0.9rem;
  padding: 0.45rem 1.1rem;
  min-height: 38px;
}

.btn-block {
  width: 100%;
}

/* -------------------------------------------------------------------------- */
/* 4. الهيدر والشريط العلوي الثابت (Sticky Header)                            */
/* -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--color-white);
  border-bottom: 3px solid var(--color-navy);
  box-shadow: 0 2px 8px rgba(20, 33, 79, 0.08);
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

/* Logo */
.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-logo-img {
  height: 52px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
}

/* Fallback if logo file is loading */
.brand-fallback {
  display: flex;
  flex-direction: column;
}

.brand-fallback-ar {
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--color-navy);
  line-height: 1.1;
  letter-spacing: -0.5px;
}

.brand-fallback-en {
  font-family: var(--font-latin);
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--color-navy);
  letter-spacing: 2px;
}

/* Navigation Links */
.nav-menu {
  display: none;
}

@media (min-width: 992px) {
  .nav-menu {
    display: flex;
    align-items: center;
    gap: 1.75rem;
  }
}

.nav-link {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-navy);
  padding: 0.4rem 0.2rem;
  position: relative;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background-color: var(--color-yellow);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

/* Header CTAs */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-header-wa {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--color-yellow);
  color: var(--color-navy);
  font-weight: 800;
  font-size: 0.95rem;
  padding: 0.5rem 1.15rem;
  border-radius: var(--radius-pill);
  border: 2px solid var(--color-navy);
  white-space: nowrap;
}

.btn-header-wa:hover {
  background-color: #f7c340;
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }
  .brand-logo-img {
    height: 44px;
    max-width: 140px;
  }
}

@media (max-width: 480px) {
  .brand-logo-img {
    height: 38px;
    max-width: 120px;
  }
  .btn-header-wa {
    padding: 0.45rem 0.65rem;
    font-size: 0.85rem;
    min-height: 40px;
  }
  .btn-header-wa span {
    display: none;
  }
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  background-color: var(--color-white);
  border: 2px solid var(--color-navy);
  border-radius: var(--radius-md);
  cursor: pointer;
  padding: 8px;
  touch-action: manipulation;
}

@media (min-width: 992px) {
  .mobile-nav-toggle {
    display: none;
  }
}

.mobile-nav-toggle span {
  display: block;
  width: 22px;
  height: 3px;
  background-color: var(--color-navy);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.mobile-nav-toggle.open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.mobile-nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.mobile-nav-toggle.open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: var(--header-height);
  inset-inline: 0;
  background-color: var(--color-white);
  border-bottom: 4px solid var(--color-navy);
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transform: translateY(-120%);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 999;
  box-shadow: 0 10px 24px rgba(20, 33, 79, 0.15);
  max-height: calc(100vh - var(--header-height));
  overflow-y: auto;
}

.mobile-drawer.open {
  transform: translateY(0);
}

.mobile-drawer-backdrop {
  position: fixed;
  inset: 0;
  top: var(--header-height);
  background: rgba(20, 33, 79, 0.45);
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.mobile-drawer-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-drawer-link {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-navy);
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--color-gray);
  min-height: 44px;
  display: flex;
  align-items: center;
}

/* -------------------------------------------------------------------------- */
/* 5. قسم الواجهة الرئيسية (Hero Section)                                     */
/* -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  background-color: var(--color-white);
  padding: 3.5rem 0 3rem;
  border-bottom: 3px solid var(--color-navy);
  overflow: hidden;
  contain: paint;
}

.hero-section .roller-pulley-graphic {
  display: none;
}

@media (min-width: 992px) {
  .hero-section .roller-pulley-graphic {
    display: block;
    top: -80px;
    inset-inline-end: -80px;
    inset-inline-start: auto;
  }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

@media (min-width: 992px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-title {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--color-navy);
  line-height: 1.25;
  margin-bottom: 1.2rem;
  letter-spacing: -0.5px;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 2.85rem;
  }
}

.hero-title-highlight {
  background-color: var(--color-yellow);
  color: var(--color-navy);
  padding: 0 0.4rem;
  border-radius: var(--radius-sm);
  display: inline-block;
}

.hero-subtitle {
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--color-navy);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 620px;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  width: 100%;
}

@media (max-width: 480px) {
  .hero-buttons .btn {
    width: 100%;
  }
}

/* Hero Visual Banner (Diagonal Conveyor Representation) */
.hero-visual {
  position: relative;
}

.hero-card {
  border: var(--frame-border);
  box-shadow: var(--frame-shadow);
  border-radius: var(--radius-lg);
  background-color: var(--color-white);
  padding: 1.75rem;
  position: relative;
}

.hero-graphic-conveyor {
  width: 100%;
  height: 160px;
  background-color: var(--color-gray);
  border: 2px solid var(--color-navy);
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-belt-track {
  width: 120%;
  height: 48px;
  background-color: var(--color-yellow);
  border-top: 4px solid var(--color-navy);
  border-bottom: 4px solid var(--color-navy);
  transform: rotate(-12deg);
  position: relative;
  display: flex;
  align-items: center;
}

.hero-belt-track::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 12px,
    var(--color-yellow-rib) 12px,
    var(--color-yellow-rib) 16px
  );
}

.hero-pulley-1, .hero-pulley-2 {
  position: absolute;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background-color: var(--color-navy);
  border: 6px solid var(--color-yellow);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-pulley-1::after, .hero-pulley-2::after {
  content: "";
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: var(--color-white);
}

.hero-pulley-1 {
  left: 20px;
  top: 50px;
}

.hero-pulley-2 {
  right: 20px;
  top: 50px;
}

.hero-badges-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.25rem;
}

.hero-chip {
  background-color: var(--color-gray);
  color: var(--color-navy);
  font-size: 0.85rem;
  font-weight: 800;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-navy);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.hero-chip-active {
  background-color: var(--color-yellow);
  border: 2px solid var(--color-navy);
}

/* -------------------------------------------------------------------------- */
/* 6. قسم حاسبة الأسعار (The Price Calculator)                                */
/* -------------------------------------------------------------------------- */
.calculator-section {
  padding: 4rem 0;
  background-color: var(--color-gray-light);
  border-bottom: 3px solid var(--color-navy);
  position: relative;
}

.section-head {
  text-align: center;
  max-width: 760px;
  margin-inline: auto;
  margin-bottom: 2.75rem;
}

.section-title {
  font-size: 2rem;
  font-weight: 900;
  color: var(--color-navy);
  line-height: 1.3;
  margin-bottom: 0.6rem;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 2.4rem;
  }
}

.section-desc {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-navy);
  line-height: 1.6;
}

/* Calculator Layout Grid */
.calc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: start;
}

@media (min-width: 992px) {
  .calc-grid {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

/* Form Container Card */
.calc-form-card {
  background-color: var(--color-white);
  border: var(--card-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: 4px 4px 0 var(--color-gray);
}

@media (max-width: 480px) {
  .calc-form-card,
  .calc-result-card,
  .hero-card,
  .contact-info-card {
    padding: 1.15rem;
  }
}

.calc-step-group {
  margin-bottom: 2rem;
  padding-bottom: 1.75rem;
  border-bottom: 2px dashed var(--color-gray);
}

.calc-step-group:last-of-type {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.calc-step-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.step-number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--color-navy);
  color: var(--color-white);
  font-family: var(--font-latin);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.step-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-navy);
}

/* Form Fields */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--color-navy);
  margin-bottom: 0.45rem;
}

.form-select, .form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-navy);
  background-color: var(--color-white);
  border: 2px solid var(--color-navy);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-select:focus, .form-input:focus {
  border-color: var(--color-navy);
  box-shadow: 0 0 0 3px var(--color-yellow);
}

.form-helper {
  font-size: 0.85rem;
  color: #3b4d82;
  margin-top: 0.35rem;
  font-weight: 500;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 540px) {
  .form-row-2 {
    grid-template-columns: 1fr 1fr;
  }
}

/* Unit Toggle Switch (Meters / Millimeters) */
.unit-toggle-group {
  display: flex;
  align-items: center;
  border: 2px solid var(--color-navy);
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-white);
}

.unit-btn {
  flex: 1;
  border: none;
  background: none;
  padding: 0.7rem 0.5rem;
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--color-navy);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
  text-align: center;
}

.unit-btn.active {
  background-color: var(--color-navy);
  color: var(--color-white);
}

/* Belt Form Radios (Open / Endless) */
.radio-cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

@media (min-width: 500px) {
  .radio-cards-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.radio-card {
  border: 2px solid var(--color-navy);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background-color: var(--color-white);
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.radio-card:hover {
  background-color: var(--color-gray-light);
}

.radio-card.selected {
  background-color: #fdf5df;
  border-color: var(--color-navy);
  box-shadow: 2px 2px 0 var(--color-navy);
}

.radio-card input[type="radio"] {
  accent-color: var(--color-navy);
  width: 18px;
  height: 18px;
  margin-top: 3px;
  cursor: pointer;
}

.radio-card-content {
  display: flex;
  flex-direction: column;
}

.radio-card-title {
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--color-navy);
}

.radio-card-desc {
  font-size: 0.82rem;
  color: #4b587a;
  font-weight: 500;
}

/* Extras Checkboxes */
.extras-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.extra-item {
  border: 2px solid var(--color-navy);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  cursor: pointer;
  background-color: var(--color-white);
  transition: background-color var(--transition-fast);
}

.extra-item:hover {
  background-color: var(--color-gray-light);
}

.extra-item.checked {
  background-color: #fdf5df;
  box-shadow: 2px 2px 0 var(--color-navy);
}

.extra-item input[type="checkbox"] {
  accent-color: var(--color-navy);
  width: 20px;
  height: 20px;
  margin-top: 2px;
  cursor: pointer;
}

.extra-body {
  flex: 1;
}

.extra-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
}

.extra-name {
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--color-navy);
}

.extra-price-tag {
  font-family: var(--font-latin);
  font-weight: 800;
  font-size: 0.88rem;
  color: var(--color-navy);
  background-color: var(--color-yellow);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-navy);
  white-space: nowrap;
}

.extra-desc {
  font-size: 0.82rem;
  color: #4b587a;
  margin-top: 0.25rem;
}

/* Delivery Area Notice Box */
.calc-delivery-notice {
  background-color: var(--color-gray);
  border: 2px solid var(--color-navy);
  border-radius: var(--radius-md);
  padding: 0.9rem 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-top: 1.25rem;
}

/* -------------------------------------------------------------------------- */
/* 7. بطاقة النتائج المباشرة (Live Result Card)                              */
/* -------------------------------------------------------------------------- */
.calc-result-column {
  position: sticky;
  top: calc(var(--header-height) + 1.5rem);
}

.calc-result-card {
  border: var(--frame-border);
  box-shadow: var(--frame-shadow);
  border-radius: var(--radius-lg);
  background-color: var(--color-white);
  padding: 1.75rem;
  transition: transform var(--transition-fast);
}

.result-card-header {
  margin-bottom: 1.25rem;
}

.price-display-box {
  background-color: var(--color-gray-light);
  border: 2px solid var(--color-navy);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-align: center;
  margin-bottom: 1.25rem;
  transition: background-color var(--transition-fast);
}

.price-main-label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 0.35rem;
}

.price-main-number {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--color-navy);
  line-height: 1.1;
  margin-bottom: 0.5rem;
}

.price-currency {
  font-size: 1.25rem;
  font-weight: 800;
  margin-inline-start: 0.25rem;
}

.price-range-badge {
  display: inline-block;
  background-color: var(--color-yellow);
  color: var(--color-navy);
  font-weight: 800;
  font-size: 0.95rem;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--color-navy);
}

/* Validation Alert in Price Box */
.price-error-box {
  display: none;
  background-color: #fff4d6;
  border: 2px dashed var(--color-navy);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-align: center;
  margin-bottom: 1.25rem;
}

.price-error-box.active {
  display: block;
}

.price-error-title {
  font-weight: 800;
  color: var(--color-navy);
  font-size: 1rem;
  margin-bottom: 0.4rem;
}

.price-error-text {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-navy);
  line-height: 1.5;
}

/* Mandatory Disclaimer */
.result-disclaimer {
  font-size: 0.85rem;
  color: var(--color-navy);
  background-color: #fff9ea;
  border-right: 4px solid var(--color-yellow);
  border-left: 1px solid var(--color-gray);
  border-top: 1px solid var(--color-gray);
  border-bottom: 1px solid var(--color-gray);
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
  line-height: 1.5;
  font-weight: 700;
}

/* Specs Summary List */
.specs-summary-box {
  border: 1px solid var(--color-gray);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-bottom: 1.25rem;
  background-color: var(--color-white);
}

.specs-summary-title {
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--color-navy);
  margin-bottom: 0.6rem;
  border-bottom: 1px solid var(--color-gray);
  padding-bottom: 0.35rem;
}

.specs-summary-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.spec-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.88rem;
  gap: 0.5rem;
}

.spec-row-label {
  color: #4b587a;
  font-weight: 700;
  white-space: nowrap;
}

.spec-row-val {
  color: var(--color-navy);
  font-weight: 800;
  text-align: left;
}

/* Direct Sales Forwarding Indicator */
.direct-sales-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background-color: #f0fdf4;
  border: 1.5px solid #16a34a;
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  margin-bottom: 1.25rem;
}

.direct-sales-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: #16a34a;
  box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.25);
  flex-shrink: 0;
  animation: pulse-dot 2s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.25); opacity: 0.8; }
}

.direct-sales-info {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  font-size: 0.9rem;
}

.direct-sales-title {
  color: #166534;
  font-weight: 600;
  font-size: 0.82rem;
}

.direct-sales-name {
  color: #14532d;
  font-weight: 800;
  font-size: 0.98rem;
}

/* Sales Representative Selector */
.sales-rep-selector {
  margin-bottom: 1.25rem;
}

.sales-rep-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--color-navy);
  margin-bottom: 0.4rem;
}

.sales-rep-select {
  width: 100%;
  padding: 0.6rem 0.85rem;
  border: 2px solid var(--color-navy);
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-navy);
  background-color: var(--color-white);
  cursor: pointer;
}

/* Actions */
.result-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.btn-whatsapp-order {
  width: 100%;
  background-color: var(--color-yellow);
  color: var(--color-navy);
  font-weight: 900;
  font-size: 1.05rem;
  padding: 0.95rem 1rem;
  border-radius: var(--radius-pill);
  border: 2px solid var(--color-navy);
  box-shadow: 4px 4px 0 var(--color-navy);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-whatsapp-order:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--color-navy);
}

.btn-copy-summary {
  width: 100%;
  background-color: var(--color-white);
  color: var(--color-navy);
  font-weight: 800;
  font-size: 0.92rem;
  padding: 0.7rem 1rem;
  border-radius: var(--radius-pill);
  border: 2px solid var(--color-navy);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: background-color var(--transition-fast);
}

.btn-copy-summary:hover {
  background-color: var(--color-gray);
}

.copy-feedback-toast {
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--color-navy);
  background-color: var(--color-yellow);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-navy);
  text-align: center;
  display: none;
  margin-top: 0.4rem;
}

.copy-feedback-toast.show {
  display: block;
}

/* -------------------------------------------------------------------------- */
/* 8. قسم المنتجات (Products Section)                                         */
/* -------------------------------------------------------------------------- */
.products-section {
  padding: 5rem 0;
  background-color: var(--color-white);
  border-bottom: 3px solid var(--color-navy);
}

.products-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

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

@media (min-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.product-card {
  border: var(--frame-border);
  box-shadow: var(--frame-shadow);
  border-radius: var(--radius-lg);
  background-color: var(--color-white);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.product-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 8px 8px 0px var(--color-navy);
}

.product-photo-holder {
  height: 200px;
  background-color: var(--color-gray);
  border-bottom: 2px solid var(--color-navy);
  position: relative;
  overflow: hidden;
}

.product-photo-holder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-badge-corner {
  position: absolute;
  top: 12px;
  right: 12px;
  background-color: var(--color-navy);
  color: var(--color-white);
  font-size: 0.78rem;
  font-weight: 800;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-yellow);
}

.product-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-name {
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--color-navy);
  margin-bottom: 0.6rem;
  line-height: 1.3;
}

.product-desc {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-navy);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex: 1;
}

.product-specs-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.spec-chip {
  background-color: var(--color-gray-light);
  border: 1px solid var(--color-navy);
  border-radius: var(--radius-pill);
  padding: 0.25rem 0.65rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-navy);
}

/* -------------------------------------------------------------------------- */
/* 9. قسم لماذا نحن (Why Us Section)                                         */
/* -------------------------------------------------------------------------- */
.why-us-section {
  padding: 5rem 0;
  background-color: var(--color-gray-light);
  border-bottom: 3px solid var(--color-navy);
  position: relative;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 600px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.feature-card {
  background-color: var(--color-white);
  border: 2px solid var(--color-navy);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.25rem;
  box-shadow: 4px 4px 0 var(--color-gray);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: 6px 6px 0 var(--color-navy);
}

.feature-icon-box {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background-color: var(--color-yellow);
  border: 2px solid var(--color-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-navy);
  margin-bottom: 1.2rem;
}

.feature-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-navy);
  margin-bottom: 0.6rem;
  line-height: 1.3;
}

.feature-desc {
  font-size: 0.92rem;
  font-weight: 500;
  color: #3b4d82;
  line-height: 1.6;
}

/* -------------------------------------------------------------------------- */
/* 10. قسم التواصل والعناوين (Contact Section)                                 */
/* -------------------------------------------------------------------------- */
.contact-section {
  padding: 5rem 0;
  background-color: var(--color-white);
  border-bottom: 3px solid var(--color-navy);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 992px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.contact-cards-column {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-info-card {
  border: 2px solid var(--color-navy);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  background-color: var(--color-white);
  box-shadow: 4px 4px 0 var(--color-gray);
}

.contact-info-title {
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--color-navy);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.contact-phones-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.phone-item-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--color-gray-light);
  border: 1.5px solid var(--color-navy);
  border-radius: var(--radius-pill);
  padding: 0.6rem 1.25rem;
  text-decoration: none;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.phone-item-bar:hover {
  background-color: var(--color-yellow);
  transform: translateY(-2px);
}

.phone-item-label {
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--color-navy);
}

.phone-item-number {
  font-family: var(--font-latin);
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--color-navy);
  direction: ltr;
}

.address-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
  line-height: 1.5;
}

.address-item:last-child {
  margin-bottom: 0;
}

.address-label {
  font-weight: 800;
  color: var(--color-navy);
  min-width: 70px;
}

.address-text {
  font-weight: 500;
  color: var(--color-navy);
}

/* Map Placeholder / Container */
.map-container-frame {
  border: var(--frame-border);
  box-shadow: var(--frame-shadow);
  border-radius: var(--radius-lg);
  background-color: var(--color-gray-light);
  min-height: 380px;
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
}

.map-placeholder-inner {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  text-align: center;
  background-color: var(--color-gray-light);
  background-image: repeating-linear-gradient(
    45deg,
    var(--color-gray-light),
    var(--color-gray-light) 12px,
    var(--color-gray) 12px,
    var(--color-gray) 14px
  );
}

.map-pin-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: var(--color-yellow);
  border: 3px solid var(--color-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-navy);
  margin-bottom: 1rem;
}

.map-placeholder-title {
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--color-navy);
  margin-bottom: 0.5rem;
}

.map-placeholder-desc {
  font-size: 0.95rem;
  font-weight: 600;
  color: #3b4d82;
  margin-bottom: 1.5rem;
  max-width: 400px;
}

/* -------------------------------------------------------------------------- */
/* 11. الفوتر وحقوق النشر (Footer)                                            */
/* -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-navy);
  color: var(--color-white);
  padding: 3.5rem 0 2rem;
  position: relative;
}

.footer-conveyor-top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 12px;
  background-color: var(--color-yellow);
  background-image: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 10px,
    var(--color-yellow-rib) 10px,
    var(--color-yellow-rib) 14px
  );
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-brand-title {
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--color-yellow);
}

.footer-brand-desc {
  font-size: 0.95rem;
  color: var(--color-gray);
  line-height: 1.7;
}

.footer-col-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 1rem;
  border-bottom: 2px solid var(--color-yellow);
  padding-bottom: 0.4rem;
  display: inline-block;
}

.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-link {
  color: var(--color-gray);
  font-weight: 600;
  font-size: 0.95rem;
}

.footer-link:hover {
  color: var(--color-yellow);
}

.footer-bottom {
  border-top: 1px solid rgba(230, 232, 236, 0.2);
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.88rem;
  color: var(--color-gray);
}

/* -------------------------------------------------------------------------- */
/* 12. زر الواتساب العائم على الموبايل (Floating Mobile WhatsApp Button)       */
/* -------------------------------------------------------------------------- */
.floating-whatsapp-btn {
  position: fixed;
  bottom: calc(18px + env(safe-area-inset-bottom, 0px));
  left: 18px;
  z-index: 998;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  background-color: var(--color-yellow);
  color: var(--color-navy);
  border: 2px solid var(--color-navy);
  box-shadow: 4px 4px 0px var(--color-navy);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-pill);
  font-weight: 900;
  font-size: 0.95rem;
  text-decoration: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.floating-whatsapp-btn:hover {
  transform: translateY(-2px);
  box-shadow: 6px 6px 0px var(--color-navy);
}

@media (max-width: 540px) {
  .floating-whatsapp-btn span {
    display: none;
  }
  .floating-whatsapp-btn {
    width: 56px;
    height: 56px;
    min-width: 56px;
    min-height: 56px;
    padding: 0;
    justify-content: center;
    border-radius: 50%;
    bottom: calc(16px + env(safe-area-inset-bottom, 0px));
    left: 16px;
  }
}

/* Direct contact card highlighting */
.phone-item-bar.direct-primary {
  background-color: #f0fdf4;
  border-color: #16a34a;
}

.phone-item-bar.direct-primary:hover {
  background-color: #dcfce7;
  border-color: #15803d;
}

/* -------------------------------------------------------------------------- */
/* 13. الفئات المساعدة وقواعد الطباعة وسهولة الاستخدام (Accessibility & Print) */
/* -------------------------------------------------------------------------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 3px solid var(--color-yellow);
  outline-offset: 2px;
}

/* -------------------------------------------------------------------------- */
/* 14. تحسينات الهواتف الذكية الشاملة (Comprehensive Mobile Phone Optimization) */
/* -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  /* Prevent iOS Safari auto-zoom on inputs */
  input[type="text"],
  input[type="number"],
  select,
  textarea,
  .form-select,
  .form-input {
    font-size: 16px !important;
    min-height: 48px;
  }

  /* Touch target heights */
  .unit-btn {
    min-height: 46px;
    font-size: 15px;
  }

  .radio-card {
    min-height: 50px;
    padding: 0.75rem 0.85rem;
  }

  .extra-item {
    min-height: 52px;
    padding: 0.75rem 0.85rem;
  }

  .btn-whatsapp-order {
    font-size: 1rem;
    padding: 0.9rem 1rem;
    min-height: 52px;
  }

  .btn-copy-summary {
    min-height: 48px;
    font-size: 0.95rem;
  }

  /* Balanced Section Spacings for Mobile */
  .calculator-section,
  .products-section,
  .why-us-section,
  .contact-section {
    padding: 3rem 0;
  }

  .section-head {
    margin-bottom: 2rem;
  }

  .section-title {
    font-size: 1.65rem;
    line-height: 1.35;
  }

  .section-desc {
    font-size: 0.95rem;
    line-height: 1.6;
  }

  .hero-section {
    padding: 2.25rem 0 2rem;
  }

  .hero-title {
    font-size: 1.85rem;
    line-height: 1.3;
    margin-bottom: 0.9rem;
  }

  .hero-subtitle {
    font-size: 0.98rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
  }

  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }

  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
    min-height: 48px;
  }

  /* Result Card Price Display */
  .price-main-number {
    font-size: 2.1rem;
  }

  .price-range-badge {
    font-size: 0.88rem;
    padding: 0.35rem 0.75rem;
  }

  /* Product Cards & Contact Items */
  .product-photo-holder {
    height: 180px;
  }

  .phone-item-bar {
    padding: 0.65rem 1rem;
    min-height: 48px;
    gap: 0.5rem;
  }

  .phone-item-label {
    font-size: 0.88rem;
  }

  .phone-item-number {
    font-size: 0.95rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.65rem;
  }

  .hero-card,
  .calc-form-card,
  .calc-result-card,
  .contact-info-card {
    padding: 1rem 0.85rem;
  }

  .specs-summary-box {
    padding: 0.85rem;
  }

  .spec-row {
    font-size: 0.82rem;
  }

  .extra-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }
}