/* 
  Mateen Construction — Essential Tier
  Colors: paper #f4f5f2, ink #16211d, blue #1d4ed8, amber #f59e0b
  Fonts: IBM Plex Sans Arabic (body) + Noto Kufi Arabic (headings)
*/

:root {
  --color-paper: #f4f5f2;
  --color-ink: #16211d;
  --color-blue: #1d4ed8;
  --color-amber: #f59e0b;
  --color-white: #ffffff;
  --color-muted: #6b7280;

  --font-heading: "Noto Kufi Arabic", "IBM Plex Sans Arabic", system-ui, sans-serif;
  --font-body: "IBM Plex Sans Arabic", system-ui, sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;

  --container-max: 1200px;
  --header-height: 64px;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-ink);
  background-color: var(--color-paper);
  direction: rtl;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
  list-style: none;
}

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-ink);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-block-end: var(--space-md);
}

h3 {
  font-size: clamp(1.125rem, 2.5vw, 1.375rem);
  margin-block-end: var(--space-xs);
}

p {
  margin-block-end: var(--space-sm);
  color: var(--color-ink);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.875rem 1.75rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-blue);
  color: var(--color-white);
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: #1e40af;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(29, 78, 216, 0.3);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-blue);
  border: 2px solid var(--color-blue);
}

.btn-secondary:hover,
.btn-secondary:focus {
  background-color: var(--color-blue);
  color: var(--color-white);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: rgba(244, 245, 242, 0.95);
  backdrop-filter: blur(8px);
  border-block-end: 1px solid rgba(22, 33, 29, 0.1);
  z-index: 1000;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  height: 100%;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-ink);
  flex-shrink: 0;
}

.main-nav {
  flex: 1;
  display: flex;
  justify-content: flex-end;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--color-blue);
  outline-offset: 2px;
}

.hamburger {
  position: relative;
  width: 24px;
  height: 2px;
  background-color: var(--color-ink);
  border-radius: 2px;
  transition: background-color var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-ink);
  border-radius: 2px;
  transition: transform var(--transition-fast);
}

.hamburger::before {
  top: -8px;
}

.hamburger::after {
  bottom: -8px;
}

.nav-toggle[aria-expanded="true"] .hamburger {
  background-color: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
  transform: rotate(-45deg) translate(5px, -5px);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-list a {
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--color-ink);
  padding-block: var(--space-xs);
  position: relative;
  transition: color var(--transition-fast);
}

.nav-list a::after {
  content: "";
  position: absolute;
  bottom: 0;
  inset-inline: 0;
  height: 2px;
  background-color: var(--color-blue);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-base);
}

.nav-list a:hover,
.nav-list a:focus {
  color: var(--color-blue);
}

.nav-list a:hover::after,
.nav-list a:focus::after {
  transform: scaleX(1);
}

.lang-toggle {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-ink);
  background-color: var(--color-white);
  border: 1px solid rgba(22, 33, 29, 0.1);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.lang-toggle:hover,
.lang-toggle:focus {
  background-color: var(--color-blue);
  color: var(--color-white);
  border-color: var(--color-blue);
}

.lang-toggle:focus-visible {
  outline: 2px solid var(--color-blue);
  outline-offset: 2px;
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-block: calc(var(--header-height) + var(--space-xl)) var(--space-xl);
  background: linear-gradient(180deg, var(--color-paper) 0%, var(--color-white) 100%);
}

.hero h1 {
  margin-block-end: var(--space-md);
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s ease forwards;
}

.hero-sub {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--color-muted);
  margin-block-end: var(--space-lg);
  max-width: 60ch;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s ease 0.1s forwards;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s ease 0.2s forwards;
}

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

.services {
  padding-block: var(--space-xl);
  background-color: var(--color-white);
}

.services h2 {
  text-align: center;
  margin-block-end: var(--space-lg);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
}

.service-card {
  padding: var(--space-lg);
  background-color: var(--color-paper);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(22, 33, 29, 0.05);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(22, 33, 29, 0.08);
  border-color: rgba(29, 78, 216, 0.2);
}

.service-card h3 {
  color: var(--color-blue);
}

.service-card p {
  color: var(--color-muted);
  font-size: 0.9375rem;
  margin-block-end: 0;
}

.about {
  padding-block: var(--space-xl);
  background-color: var(--color-paper);
}

.about h2 {
  text-align: center;
  margin-block-end: var(--space-lg);
}

.about-content {
  max-width: 800px;
  margin-inline: auto;
}

.about-text p {
  font-size: 1.0625rem;
  color: var(--color-muted);
  margin-block-end: var(--space-lg);
}

.about-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-lg);
  margin-block-start: var(--space-lg);
  padding-block-start: var(--space-lg);
  border-block-start: 1px solid rgba(22, 33, 29, 0.1);
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: var(--color-blue);
  line-height: 1;
  margin-block-end: var(--space-xs);
}

.stat span {
  font-size: 0.9375rem;
  color: var(--color-muted);
}

.testimonials {
  padding-block: var(--space-xl);
  background-color: var(--color-white);
}

.testimonials h2 {
  text-align: center;
  margin-block-end: var(--space-lg);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-md);
}

.testimonial-card {
  padding: var(--space-lg);
  background-color: var(--color-paper);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(22, 33, 29, 0.05);
}

.testimonial-text {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-ink);
  margin-block-end: var(--space-md);
  position: relative;
  padding-inline-start: var(--space-md);
}

.testimonial-text::before {
  content: "″";
  position: absolute;
  inset-inline-start: 0;
  top: -0.5rem;
  font-family: var(--font-heading);
  font-size: 3rem;
  color: var(--color-blue);
  opacity: 0.3;
  line-height: 1;
}

.testimonial-author {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.testimonial-author span:first-child {
  font-weight: 600;
  color: var(--color-ink);
}

.testimonial-author span:last-child {
  font-size: 0.875rem;
  color: var(--color-muted);
}

.contact {
  padding-block: var(--space-xl);
  background-color: var(--color-paper);
}

.contact h2 {
  text-align: center;
  margin-block-end: var(--space-lg);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

@media (min-width: 900px) {
  .contact-content {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-group label {
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--color-ink);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.875rem 1rem;
  border: 1px solid rgba(22, 33, 29, 0.15);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
  color: var(--color-ink);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-muted);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2316211d' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: left 1rem center;
  padding-inline-start: 3rem;
}

.contact-form .btn-primary {
  margin-block-start: var(--space-sm);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.info-item {
  padding: var(--space-lg);
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(22, 33, 29, 0.05);
}

.info-item h3 {
  font-size: 1.125rem;
  color: var(--color-blue);
  margin-block-end: var(--space-xs);
}

.info-item p {
  color: var(--color-muted);
  margin-block-end: 0;
}

.mobile-action-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-sm) var(--space-md);
  background-color: var(--color-white);
  border-block-start: 1px solid rgba(22, 33, 29, 0.1);
  box-shadow: 0 -4px 20px rgba(22, 33, 29, 0.08);
  z-index: 1000;
}

.mobile-action-bar .mobile-action {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin: 0 auto;
  border-radius: var(--radius-md);
  color: var(--color-white);
  background-color: var(--color-blue);
  transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.mobile-action-bar .mobile-action:hover,
.mobile-action-bar .mobile-action:focus {
  transform: scale(1.05);
  background-color: #1e40af;
}

.mobile-action-bar .mobile-action:focus-visible {
  outline: 2px solid var(--color-blue);
  outline-offset: 2px;
}

.mobile-action-bar .mobile-action svg {
  width: 24px;
  height: 24px;
}

.site-footer {
  background-color: var(--color-ink);
  color: var(--color-paper);
  padding-block: var(--space-xl) var(--space-md);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-block-end: var(--space-xl);
}

@media (min-width: 768px) {
  .footer-content {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer-brand p:first-child {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  margin-block-end: var(--space-xs);
}

.footer-brand p:last-child {
  color: rgba(244, 245, 242, 0.7);
  font-size: 0.9375rem;
}

.footer-contact p {
  color: rgba(244, 245, 242, 0.8);
  font-size: 0.9375rem;
  margin-block-end: var(--space-xs);
}

.footer-legal a {
  display: inline-block;
  color: var(--color-amber);
  font-weight: 500;
  margin-block-end: var(--space-sm);
  transition: opacity var(--transition-fast);
}

.footer-legal a:hover {
  opacity: 0.8;
}

.hijri-note {
  font-size: 0.8125rem;
  color: rgba(244, 245, 242, 0.5);
  margin-block-end: 0;
}

.footer-bottom {
  padding-block-start: var(--space-md);
  border-block-start: 1px solid rgba(244, 245, 242, 0.1);
  text-align: center;
}

.footer-bottom p {
  color: rgba(244, 245, 242, 0.5);
  font-size: 0.875rem;
  margin-block-end: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

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

.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;
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: var(--header-height);
    inset-inline: 0;
    background-color: var(--color-white);
    border-block-start: 1px solid rgba(22, 33, 29, 0.1);
    box-shadow: 0 12px 24px rgba(22, 33, 29, 0.1);
    padding: var(--space-md);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-base), opacity var(--transition-base), visibility var(--transition-base);
  }

  .main-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-xs);
  }

  .nav-list a {
    display: block;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    text-align: center;
  }

  .nav-list a::after {
    display: none;
  }

  .nav-list a:hover,
  .nav-list a:focus {
    background-color: var(--color-paper);
  }

  .mobile-action-bar {
    display: flex;
    gap: var(--space-sm);
  }

  body {
    padding-bottom: 80px;
  }
}