/* ============================================================
   Paradise Structure — Main Stylesheet
   Bilingual: Persian (RTL) + English (LTR)
   Mobile-first, logical properties for directional layout
   ============================================================ */

/* -------------------------------------------------------
   1. FONT FACES
   ------------------------------------------------------- */
@font-face {
  font-family: 'Vazirmatn';
  src: url('https://cdn.jsdelivr.net/gh/rastikerdar/vazirmatn@v33.003/fonts/webfonts/Vazirmatn-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Vazirmatn';
  src: url('https://cdn.jsdelivr.net/gh/rastikerdar/vazirmatn@v33.003/fonts/webfonts/Vazirmatn-SemiBold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Vazirmatn';
  src: url('https://cdn.jsdelivr.net/gh/rastikerdar/vazirmatn@v33.003/fonts/webfonts/Vazirmatn-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Vazirmatn';
  src: url('https://cdn.jsdelivr.net/gh/rastikerdar/vazirmatn@v33.003/fonts/webfonts/Vazirmatn-Black.woff2') format('woff2');
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}

/* -------------------------------------------------------
   2. CSS CUSTOM PROPERTIES
   ------------------------------------------------------- */
:root {
  /* Colors */
  --color-bg-dark: #0f1418;
  --color-surface: #1a2126;
  --color-steel: #39424a;
  --color-text: #1c2328;
  --color-text-muted: #5b6770;
  --color-text-on-dark: #f2f5f6;
  --color-text-on-dark-muted: #9aa6ad;
  --color-accent: #f0652f;
  --color-accent-dark: #c94e1c;
  --color-accent-light: #fef0eb;
  --color-light: #f0f2f3;
  --color-light-alt: #f8f9fa;
  --color-border: #d8dde0;
  --color-success: #2d8a4e;
  --color-error: #d32f2f;

  /* Spacing scale */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4rem;
  --space-7: 5rem;
  --space-8: 6rem;

  /* Layout */
  --container-max: 1200px;
  --header-height: 72px;
  --radius: 4px;
  --radius-lg: 8px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,.12);
  --shadow-md: 0 4px 12px rgba(0,0,0,.15);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.35);
  --shadow-dark: 0 8px 30px rgba(0,0,0,.5);

  /* Transitions */
  --transition: 0.3s ease;
  --transition-fast: 0.15s ease;
  --transition-slow: 0.5s ease;
}

/* -------------------------------------------------------
   3. RESET & BASE
   ------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Vazirmatn', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text);
  background-color: var(--color-light);
  overflow-x: hidden;
}

/* English-specific body font */
html[lang="en"] body {
  font-family: 'Vazirmatn', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

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

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

ul, ol {
  list-style: none;
}

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

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

/* Focus styles */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}

/* Skip to content */
.skip-to-content {
  position: absolute;
  inset-block-start: -100%;
  inset-inline-start: var(--space-2);
  background: var(--color-accent);
  color: #fff;
  padding: var(--space-1) var(--space-3);
  border-radius: 0 0 var(--radius) var(--radius);
  z-index: 10000;
  font-weight: 700;
  transition: inset-block-start var(--transition-fast);
}
.skip-to-content:focus {
  inset-block-start: 0;
}

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

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.1rem; }

/* Display font for English headings */
html[lang="en"] .display-font {
  font-family: 'Vazirmatn', system-ui, -apple-system, sans-serif;
  font-weight: 900;
  letter-spacing: -0.02em;
}

/* Kicker (small label above headings) */
.kicker {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-block-end: var(--space-1);
}

/* Section headings */
.section-title {
  margin-block-end: var(--space-2);
  font-weight: 900;
}
.section-subtitle {
  max-width: 600px;
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin-block-end: var(--space-5);
}

/* -------------------------------------------------------
   5. LAYOUT UTILITIES
   ------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-3);
}

.section {
  padding-block: var(--space-7);
}

.section--dark {
  background-color: var(--color-bg-dark);
  color: var(--color-text-on-dark);
}
.section--dark .section-title,
.section--dark h2,
.section--dark h3 {
  color: var(--color-text-on-dark);
}
.section--dark .section-subtitle {
  color: var(--color-text-on-dark-muted);
}

.section--light {
  background-color: var(--color-light);
}

.section--white {
  background-color: #fff;
}

/* Section header (centered) */
.section-header {
  text-align: center;
  margin-block-end: var(--space-5);
}
.section-header .section-subtitle {
  margin-inline: auto;
}

/* Grid helpers */
.grid-2 { display: grid; gap: var(--space-4); grid-template-columns: 1fr; }
.grid-3 { display: grid; gap: var(--space-4); grid-template-columns: 1fr; }
.grid-4 { display: grid; gap: var(--space-4); grid-template-columns: 1fr; }

/* -------------------------------------------------------
   6. BUTTONS
   ------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: 0.75rem 2rem;
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: var(--radius);
  transition: all var(--transition-fast);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
  cursor: pointer;
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
}
.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--color-accent-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,.6);
}
.btn--outline:hover,
.btn--outline:focus-visible {
  border-color: #fff;
  background: rgba(255,255,255,.1);
}

.btn--outline-dark {
  background: transparent;
  color: var(--color-text);
  border: 2px solid var(--color-border);
}
.btn--outline-dark:hover,
.btn--outline-dark:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* -------------------------------------------------------
   7. HEADER / NAVIGATION
   ------------------------------------------------------- */
.header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 1000;
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: background var(--transition), box-shadow var(--transition);
}

.header.is-scrolled {
  background: rgba(15, 20, 24, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.header__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}
.header__logo img {
  height: 40px;
  width: auto;
}

/* Desktop nav */
.nav {
  display: none;
  align-items: center;
  gap: var(--space-1);
}

.nav__link {
  padding: 0.5rem 1rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text-on-dark);
  border-radius: var(--radius);
  transition: color var(--transition-fast), background var(--transition-fast);
}
.nav__link:hover,
.nav__link:focus-visible {
  color: var(--color-accent);
  background: rgba(255,255,255,.05);
}

.nav__cta {
  margin-inline-start: var(--space-2);
}

/* Language switcher */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.75rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-text-on-dark);
  border: 1px solid rgba(255,255,255,.25);
  border-radius: var(--radius);
  transition: all var(--transition-fast);
  margin-inline-start: var(--space-2);
}
.lang-switch:hover,
.lang-switch:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(240, 101, 47, 0.08);
}
.lang-switch__icon {
  font-size: 1rem;
}

/* Hamburger */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  padding: 2px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1010;
}
.hamburger__line {
  display: block;
  width: 100%;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.is-active .hamburger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.is-active .hamburger__line:nth-child(2) {
  opacity: 0;
}
.hamburger.is-active .hamburger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu panel */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: rgba(15, 20, 24, 0.98);
  backdrop-filter: blur(15px);
  z-index: 1005;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.mobile-menu.is-open {
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu__link {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-on-dark);
  padding: var(--space-2);
  transition: color var(--transition-fast);
}
.mobile-menu__link:hover {
  color: var(--color-accent);
}
.mobile-menu .btn {
  margin-block-start: var(--space-3);
}

/* -------------------------------------------------------
   8. HERO SECTION
   ------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    linear-gradient(180deg, rgba(15,20,24,.4) 0%, rgba(15,20,24,.85) 100%),
    linear-gradient(135deg, rgba(15,20,24,.9) 0%, rgba(15,20,24,.45) 50%, rgba(15,20,24,.85) 100%),
    #1a2126;
  color: var(--color-text-on-dark);
  text-align: center;
  overflow: hidden;
}

/* Hero pattern overlay — steel-plate texture simulation */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(255,255,255,.008) 2px, rgba(255,255,255,.008) 4px),
    repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(255,255,255,.005) 2px, rgba(255,255,255,.005) 4px);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding-inline: var(--space-3);
  padding-block: var(--space-8);
}

.hero__kicker {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-block-end: var(--space-3);
}

.hero__title {
  font-size: clamp(2.2rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.15;
  color: #fff;
  margin-block-end: var(--space-3);
}
.hero__title span {
  color: var(--color-accent);
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--color-text-on-dark-muted);
  max-width: 600px;
  margin-inline: auto;
  margin-block-end: var(--space-5);
  line-height: 1.8;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
}

/* Hero scroll indicator */
.hero__scroll {
  position: absolute;
  inset-block-end: var(--space-4);
  inset-inline-start: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-on-dark-muted);
  animation: bounce 2s ease infinite;
}
.hero__scroll-arrow {
  width: 20px;
  height: 20px;
  border-inline-end: 2px solid var(--color-accent);
  border-block-end: 2px solid var(--color-accent);
  transform: rotate(45deg);
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* -------------------------------------------------------
   9. STATS BAND
   ------------------------------------------------------- */
.stats-band {
  background: var(--color-bg-dark);
  padding-block: var(--space-5);
  position: relative;
  z-index: 3;
}

.stats-band .section-header .kicker {
  color: var(--color-accent);
}
.stats-band .section-header h2 {
  color: var(--color-text-on-dark);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  text-align: center;
}

.stat-item {
  padding: var(--space-3);
}

.stat-item__number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--color-accent);
  line-height: 1;
  margin-block-end: var(--space-1);
}

.stat-item__label {
  font-size: 0.9rem;
  color: var(--color-text-on-dark-muted);
  font-weight: 600;
}

/* -------------------------------------------------------
   10. WHO WE ARE
   ------------------------------------------------------- */
.about {
  background: #fff;
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  align-items: center;
}

.about__text p {
  color: var(--color-text-muted);
  margin-block-end: var(--space-3);
  font-size: 1.05rem;
}

.about__image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface);
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about__image-placeholder {
  color: var(--color-text-on-dark-muted);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Values */
.values-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  margin-block-start: var(--space-5);
}

.value-card {
  padding: var(--space-4);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: all var(--transition);
}
.value-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}
.value-card__icon {
  width: 48px;
  height: 48px;
  margin-inline: auto;
  margin-block-end: var(--space-2);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-light);
  border-radius: 50%;
  font-size: 1.5rem;
}
.value-card h4 {
  margin-block-end: var(--space-1);
  font-size: 1rem;
}
.value-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* -------------------------------------------------------
   11. SERVICES
   ------------------------------------------------------- */
.services {
  background: var(--color-light);
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.service-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}

.service-card__image {
  height: 180px;
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.service-card__image::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(255,255,255,.015) 10px, rgba(255,255,255,.015) 20px);
}

.service-card__icon {
  font-size: 3rem;
  opacity: 0.7;
  color: var(--color-accent);
  position: relative;
  z-index: 1;
}

.service-card__body {
  padding: var(--space-3);
}

.service-card__body h3 {
  font-size: 1.1rem;
  margin-block-end: var(--space-1);
}

.service-card__body p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* -------------------------------------------------------
   12. PROJECTS
   ------------------------------------------------------- */
.projects {
  background: #fff;
}

/* Filter tabs */
.projects__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-block-end: var(--space-5);
}

.filter-btn {
  padding: 0.5rem 1.25rem;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 2rem;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}
.filter-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.filter-btn.is-active {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

/* Project grid */
.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.project-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4 / 3;
  background: var(--color-surface);
  transition: transform var(--transition), box-shadow var(--transition);
}
.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.project-card__image {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.project-card__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(15,20,24,.85) 0%, rgba(15,20,24,.1) 50%, transparent 100%);
  transition: opacity var(--transition);
}

.project-card__info {
  position: absolute;
  inset-block-end: 0;
  inset-inline: 0;
  padding: var(--space-3);
  z-index: 2;
}

.project-card__category {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-block-end: var(--space-1);
}

.project-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-block-end: 0.25rem;
}

.project-card__location {
  font-size: 0.85rem;
  color: var(--color-text-on-dark-muted);
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(15,20,24,.95);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}
.lightbox__content {
  max-width: 900px;
  width: 100%;
  max-height: 80vh;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}
.lightbox__image {
  width: 100%;
  aspect-ratio: 16/10;
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
}
.lightbox__info {
  padding: var(--space-4);
}
.lightbox__info h3 {
  color: var(--color-text-on-dark);
  margin-block-end: var(--space-1);
}
.lightbox__info p {
  color: var(--color-text-on-dark-muted);
  font-size: 0.9rem;
}
.lightbox__close {
  position: absolute;
  inset-block-start: var(--space-2);
  inset-inline-end: var(--space-2);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0,0,0,.5);
  color: #fff;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
  z-index: 5;
}
.lightbox__close:hover {
  background: var(--color-accent);
}

/* -------------------------------------------------------
   13. WHERE WE WORK / COVERAGE
   ------------------------------------------------------- */
.coverage {
  background: var(--color-light);
}

.coverage__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  align-items: center;
}

.coverage__map {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.coverage__map-placeholder {
  color: var(--color-text-on-dark-muted);
  text-align: center;
  padding: var(--space-4);
}
.coverage__map-placeholder .marker-icon {
  font-size: 3rem;
  display: block;
  margin-block-end: var(--space-2);
}

/* Region chips */
.region-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-block-start: var(--space-3);
}
.region-chip {
  padding: 0.35rem 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 2rem;
  color: var(--color-text);
  transition: all var(--transition-fast);
}
.region-chip:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* -------------------------------------------------------
   14. PROCESS / TIMELINE
   ------------------------------------------------------- */
.process {
  background: #fff;
}

.timeline {
  position: relative;
  max-width: 800px;
  margin-inline: auto;
}

/* Timeline line */
.timeline::before {
  content: '';
  position: absolute;
  inset-block: 0;
  inset-inline-start: 24px;
  width: 2px;
  background: var(--color-border);
}

.timeline__item {
  position: relative;
  padding-inline-start: 64px;
  padding-block-end: var(--space-5);
}
.timeline__item:last-child {
  padding-block-end: 0;
}

.timeline__marker {
  position: absolute;
  inset-inline-start: 8px;
  inset-block-start: 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--color-bg-dark);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 900;
  border: 2px solid var(--color-accent);
  z-index: 2;
}

.timeline__item h3 {
  font-size: 1.1rem;
  margin-block-end: var(--space-1);
}
.timeline__item p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

/* -------------------------------------------------------
   15. CAREERS
   ------------------------------------------------------- */
.careers {
  background: var(--color-light);
}

.careers__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

.careers__text {
  font-size: 1.05rem;
}

.careers__text p {
  color: var(--color-text-muted);
  margin-block-end: var(--space-3);
}

.job-list {
  display: grid;
  gap: var(--space-3);
}

.job-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-4);
  transition: all var(--transition);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}
.job-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.job-card__icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--color-accent-light);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.job-card__info h4 {
  font-size: 1rem;
  margin-block-end: 0.25rem;
}
.job-card__info p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* -------------------------------------------------------
   16. CONTACT
   ------------------------------------------------------- */
.contact {
  background: #fff;
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

/* Form */
.contact-form {
  display: grid;
  gap: var(--space-3);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text);
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-light-alt);
  color: var(--color-text);
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-accent);
  background: #fff;
  outline: none;
  box-shadow: 0 0 0 3px rgba(240,101,47,.12);
}

.form-group input.is-error,
.form-group textarea.is-error {
  border-color: var(--color-error);
}

.form-error {
  font-size: 0.78rem;
  color: var(--color-error);
  display: none;
}
.form-error.is-visible {
  display: block;
}

.form-success {
  display: none;
  padding: var(--space-3);
  background: #e8f5e9;
  border: 1px solid #a5d6a7;
  border-radius: var(--radius);
  color: var(--color-success);
  font-weight: 600;
  text-align: center;
}
.form-success.is-visible {
  display: block;
}

/* Contact info */
.contact-info {
  display: grid;
  gap: var(--space-3);
}

.contact-info__item {
  display: flex;
  gap: var(--space-2);
  align-items: flex-start;
}

.contact-info__icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: var(--color-accent-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.contact-info__text h4 {
  font-size: 0.9rem;
  margin-block-end: 0.15rem;
}
.contact-info__text p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* -------------------------------------------------------
   17. FOOTER
   ------------------------------------------------------- */
.footer {
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark-muted);
  padding-block-start: var(--space-7);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  padding-block-end: var(--space-5);
  border-block-end: 1px solid rgba(255,255,255,.08);
}

.footer__brand p {
  margin-block-start: var(--space-2);
  font-size: 0.9rem;
  max-width: 280px;
}

.footer__column h4 {
  color: var(--color-text-on-dark);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-block-end: var(--space-3);
}

.footer__column ul {
  display: grid;
  gap: var(--space-1);
}

.footer__column a {
  font-size: 0.9rem;
  color: var(--color-text-on-dark-muted);
  transition: color var(--transition-fast);
}
.footer__column a:hover {
  color: var(--color-accent);
}

/* Certification badges */
.footer__certs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-block-start: var(--space-2);
}

.footer__cert-badge {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.35rem 0.75rem;
  background: rgba(255,255,255,.06);
  border-radius: var(--radius);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-on-dark-muted);
  border: 1px solid rgba(255,255,255,.1);
}

.footer__bottom {
  padding-block: var(--space-3);
  text-align: center;
  font-size: 0.82rem;
}

/* -------------------------------------------------------
   18. SCROLL REVEAL ANIMATIONS
   ------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}

/* -------------------------------------------------------
   19. MOBILE-FIRST BREAKPOINTS
   ------------------------------------------------------- */

/* 480px — Small landscape */
@media (min-width: 480px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
}

/* 768px — Tablet */
@media (min-width: 768px) {
  :root {
    --header-height: 72px;
  }

  .section { padding-block: var(--space-8); }

  /* Show desktop nav */
  .nav {
    display: flex;
  }
  .hamburger {
    display: none;
  }
  .mobile-menu {
    display: none;
  }

  /* Grids */
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }

  .about__grid { grid-template-columns: 1fr 1fr; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .coverage__grid { grid-template-columns: 1fr 1fr; }
  .careers__content { grid-template-columns: 1fr 1fr; }
  .contact__grid { grid-template-columns: 1fr 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }

  /* Timeline */
  .timeline::before {
    inset-inline-start: 50%;
  }
  .timeline__item {
    width: 50%;
    padding-inline-start: 0;
    padding-inline-end: 44px;
  }
  .timeline__item:nth-child(even) {
    margin-inline-start: 50%;
    padding-inline-end: 0;
    padding-inline-start: 44px;
  }
  .timeline__marker {
    inset-inline-start: auto;
  }
  .timeline__item:nth-child(odd) .timeline__marker {
    inset-inline-end: -17px;
  }
  .timeline__item:nth-child(even) .timeline__marker {
    inset-inline-start: -17px;
  }
}

/* 1024px — Desktop */
@media (min-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(3, 1fr); }
  .services-grid { grid-template-columns: repeat(3, 1fr); }
  .projects-grid { grid-template-columns: repeat(3, 1fr); }
  .footer__grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
  .values-grid { grid-template-columns: repeat(4, 1fr); }

  .service-card__image { height: 200px; }
}

/* 1280px — Large desktop */
@media (min-width: 1280px) {
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
  .services-grid { grid-template-columns: repeat(3, 1fr); }
}

/* -------------------------------------------------------
   20. RTL SPECIFIC (Persian)
   ------------------------------------------------------- */
[dir="rtl"] .hamburger {
  /* RTL hamburger stays same */
}

[dir="rtl"] .timeline__item:nth-child(odd) {
  padding-inline-end: 44px;
}
[dir="rtl"] .timeline__item:nth-child(even) {
  padding-inline-start: 44px;
}

/* Flip directional icons in RTL */
[dir="rtl"] .hero__scroll-arrow {
  /* Arrow is symmetric, no flip needed */
}

[dir="rtl"] .lang-switch__icon {
  /* Keep globe icon as-is */
}

/* RTL font adjustments */
[dir="rtl"] .kicker,
[dir="rtl"] .btn {
  letter-spacing: 0;
  font-weight: 700;
}

[dir="rtl"] .hero__kicker {
  letter-spacing: 0;
}

[dir="rtl"] .section-title {
  font-weight: 900;
}