/* ============================================
   Qissah SOW - Multi-Step Landing Page
   Brand: 3M's Company
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --color-primary: #e65c00;
  --color-secondary: #ff7519;
  --color-background: #0d0d0d;
  --color-surface: #1a1a1a;
  --color-surface-elevated: #242424;
  --color-text: #ffffff;
  --color-text-muted: #999999;
  --color-border: #333333;
  --color-success: #22c55e;
  --color-warning: #f59e0b;

  --font-family: 'Tajawal', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;

  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(230, 92, 0, 0.3);

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;

  --header-height: 70px;
  --nav-height: 80px;
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-background);
  direction: rtl;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Background pattern */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(230, 92, 0, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(255, 117, 25, 0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

/* ---------- Typography ---------- */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
}

h1 {
  font-size: var(--font-size-4xl);
}

h2 {
  font-size: var(--font-size-3xl);
}

h3 {
  font-size: var(--font-size-2xl);
}

h4 {
  font-size: var(--font-size-xl);
}

p {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
}

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

a:hover {
  color: var(--color-secondary);
}

/* ---------- Header ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(13, 13, 13, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 var(--spacing-xl);
}

.header__logo {
  height: 40px;
  object-fit: contain;
}

.header__divider {
  width: 1px;
  height: 30px;
  background: linear-gradient(to bottom, transparent, var(--color-border), transparent);
}

.header__logos {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

/* ---------- Progress Bar ---------- */
.progress-container {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--color-surface);
  padding: var(--spacing-md) var(--spacing-xl);
  border-bottom: 1px solid var(--color-border);
  z-index: 99;
}

.progress-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.progress-step {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.progress-step span {
  color: var(--color-primary);
  font-weight: 700;
}

.progress-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
}

.progress-bar {
  height: 4px;
  background: var(--color-surface-elevated);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
  box-shadow: var(--shadow-glow);
}

/* ---------- Main Content ---------- */
.main {
  padding-top: calc(var(--header-height) + 80px);
  padding-bottom: calc(var(--nav-height) + var(--spacing-2xl));
  min-height: 100vh;
}

.step {
  display: none;
  padding: var(--spacing-xl);
  max-width: 900px;
  margin: 0 auto;
  animation: fadeIn var(--transition-base);
}

.step.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- Step Header ---------- */
.step__badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--color-text);
  font-size: var(--font-size-xs);
  font-weight: 600;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.step__icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-md);
}

.step__title {
  margin-bottom: var(--spacing-sm);
  background: linear-gradient(135deg, var(--color-text), var(--color-text-muted));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.step__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xl);
}

/* ---------- Client Box ---------- */
.client-box {
  background: linear-gradient(135deg, var(--color-surface), var(--color-surface-elevated));
  border: 1px solid var(--color-border);
  border-right: 4px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.client-box__label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xs);
}

.client-box__name {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text);
}

.client-box__location {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
}

/* ---------- Section ---------- */
.section {
  margin-bottom: var(--spacing-2xl);
}

.section__title {
  font-size: var(--font-size-xl);
  color: var(--color-text);
  margin-bottom: var(--spacing-lg);
  padding-right: var(--spacing-md);
  border-right: 3px solid var(--color-primary);
}

.section__content {
  padding-right: var(--spacing-md);
}

/* ---------- Cards Grid ---------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-secondary));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.card:hover::before {
  opacity: 1;
}

.card__icon {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-md);
}

.card__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.card__description {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin: 0;
}

/* ---------- Feature List ---------- */
.feature-list {
  list-style: none;
}

.feature-list__item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--color-border);
}

.feature-list__item:last-child {
  border-bottom: none;
}

.feature-list__dot {
  width: 8px;
  height: 8px;
  min-width: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  margin-top: 8px;
}

.feature-list__text {
  color: var(--color-text);
  font-size: var(--font-size-base);
}

.feature-list__text--muted {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

/* ---------- Subsection ---------- */
.subsection {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.subsection__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* ---------- Note/Warning ---------- */
.note {
  background: rgba(230, 92, 0, 0.1);
  border: 1px solid rgba(230, 92, 0, 0.3);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin-top: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-secondary);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.note::before {
  content: '💡';
}

/* ---------- Table ---------- */
.table-container {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.table th,
.table td {
  padding: var(--spacing-md);
  text-align: right;
  border-bottom: 1px solid var(--color-border);
}

.table th {
  background: var(--color-surface-elevated);
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
}

.table td {
  background: var(--color-surface);
  color: var(--color-text-muted);
}

.table tbody tr:hover td {
  background: var(--color-surface-elevated);
}

.table tbody tr:last-child td {
  border-bottom: none;
}

/* ---------- Data Grid for Master Data ---------- */
.data-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.data-section__header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.data-section__number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: var(--font-size-sm);
}

.data-section__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
}

.data-fields {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-sm);
}

.data-field {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  background: var(--color-surface-elevated);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.data-field::before {
  content: '•';
  color: var(--color-primary);
}

/* ---------- Ending Section ---------- */
.ending {
  text-align: center;
  padding: var(--spacing-3xl) var(--spacing-xl);
}

.ending__emoji {
  font-size: 4rem;
  margin-bottom: var(--spacing-lg);
  animation: bounce 1s ease infinite;
}

@keyframes bounce {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }
}

.ending__title {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.ending__subtitle {
  color: var(--color-text-muted);
}

/* ---------- Report Section ---------- */
.report-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.report-block__header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.report-block__number {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--spacing-sm);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: var(--font-size-sm);
}

.report-block__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
}

.report-subsection {
  margin-bottom: var(--spacing-lg);
}

.report-subsection__title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.report-subsection__title::before {
  content: '▸';
  color: var(--color-primary);
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(13, 13, 13, 0.98);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-xl);
  z-index: 100;
}

.nav__btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
}

.nav__btn--prev {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.nav__btn--prev:hover:not(:disabled) {
  background: var(--color-surface-elevated);
  border-color: var(--color-text-muted);
}

.nav__btn--next {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--color-text);
}

.nav__btn--next:hover:not(:disabled) {
  transform: scale(1.02);
  box-shadow: var(--shadow-glow);
}

.nav__btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.nav__dots {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

.nav__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-surface-elevated);
  border: 2px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition-base);
}

.nav__dot:hover {
  border-color: var(--color-text-muted);
}

.nav__dot.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  transform: scale(1.2);
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  :root {
    --header-height: 60px;
    --nav-height: 70px;
  }

  .header {
    padding: 0 var(--spacing-md);
  }

  .header__logo {
    height: 30px;
  }

  .progress-container {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .step {
    padding: var(--spacing-md);
  }

  .step__title {
    font-size: var(--font-size-2xl);
  }

  .nav {
    padding: 0 var(--spacing-md);
  }

  .nav__btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
  }

  .nav__dots {
    display: none;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }

  .table {
    font-size: var(--font-size-xs);
  }

  .table th,
  .table td {
    padding: var(--spacing-sm);
  }
}

@media (max-width: 480px) {
  .header__divider {
    display: none;
  }

  .header__logos {
    gap: var(--spacing-md);
  }

  .client-box {
    padding: var(--spacing-md);
  }

  .subsection {
    padding: var(--spacing-md);
  }
}

/* ---------- Home Page ---------- */
.home-page {
  display: none;
  min-height: 100vh;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2xl);
  padding-top: calc(var(--header-height) + var(--spacing-2xl));
}

.home-page.active {
  display: flex;
}

.home-page__content {
  text-align: center;
  max-width: 600px;
}

.home-page__logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.home-page__logo {
  height: 60px;
  object-fit: contain;
}

.home-page__divider {
  width: 2px;
  height: 50px;
  background: linear-gradient(to bottom, transparent, var(--color-primary), transparent);
}

.home-page__title {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, var(--color-text), var(--color-text-muted));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.home-page__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-2xl);
}

.home-page__buttons {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 48px;
  border-radius: 6px !important;
  font-family: var(--font-family);
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
  text-decoration: none;
  min-width: 180px;
  height: 56px;
  box-sizing: border-box;
  -webkit-border-radius: 6px !important;
  -moz-border-radius: 6px !important;
}

.btn-primary {
  background: linear-gradient(135deg, #e65c00, #ff7519);
  color: #ffffff;
  border: 2px solid #e65c00;
}

.btn-primary:hover {
  transform: scale(1.02);
  box-shadow: 0 0 20px rgba(230, 92, 0, 0.3);
}

.btn-secondary {
  background: transparent;
  color: #ffffff;
  border: 2px solid #333333;
}

.btn-secondary:hover {
  border-color: #e65c00;
  color: #e65c00;
}

/* ---------- Back Button ---------- */
.back-btn {
  display: none;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  margin-left: auto;
}

.back-btn:hover {
  background: var(--color-surface-elevated);
  border-color: var(--color-primary);
}

.back-btn.visible {
  display: flex;
}

/* ---------- PDF Download Button ---------- */
.pdf-btn {
  display: none;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: transparent;
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  margin-left: var(--spacing-md);
}

.pdf-btn:hover {
  background: var(--color-primary);
  color: var(--color-text);
}

.pdf-btn.visible {
  display: flex;
}

/* ---------- Section Visibility ---------- */
.section-scope,
.section-proposal {
  display: none;
}

.section-scope.active,
.section-proposal.active {
  display: block;
}

/* ---------- Price Section ---------- */
.price-box {
  background: linear-gradient(135deg, var(--color-surface), var(--color-surface-elevated));
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.price-box__label {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-sm);
}

.price-box__amount {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-xs);
}

.price-box__currency {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
}

/* ---------- Link Button ---------- */
.link-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  background: rgba(230, 92, 0, 0.1);
  border: 1px solid rgba(230, 92, 0, 0.3);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  margin-top: var(--spacing-lg);
}

.link-btn:hover {
  background: rgba(230, 92, 0, 0.2);
  border-color: var(--color-primary);
  transform: translateX(-5px);
}

/* ---------- Validity Note ---------- */
.validity-note {
  text-align: center;
  padding: var(--spacing-lg);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  margin-top: var(--spacing-xl);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  .home-page__logos {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .home-page__divider {
    width: 50px;
    height: 2px;
  }

  .home-page__title {
    font-size: var(--font-size-2xl);
  }

  .home-page__buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    max-width: 280px;
  }
}