/* Hamid shirzad ltd — shared styles */

/* ============================================
   Hamid shirzad ltd — Global Styles
   ============================================ */

:root,
[data-theme="dark"] {
  color-scheme: dark;
  --color-bg: #0f0f0f;
  --color-bg-elevated: #1a1a1a;
  --color-bg-card: #222222;
  --color-bg-card-hover: #2a2a2a;
  --color-green: #39b54a;
  --color-green-dark: #2d9439;
  --color-green-glow: rgba(57, 181, 74, 0.25);
  --color-white: #ffffff;
  --color-heading: #ffffff;
  --color-text: #e8e8e8;
  --color-text-muted: #9a9a9a;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-error: #ef4444;
  --color-surface: rgba(255, 255, 255, 0.06);
  --color-surface-hover: rgba(255, 255, 255, 0.1);
  --color-surface-strong: rgba(255, 255, 255, 0.08);
  --color-input-bg: #0f0f0f;
  --color-nav-scrolled: rgba(15, 15, 15, 0.92);
  --color-overlay: rgba(0, 0, 0, 0.6);
  --color-modal-backdrop: rgba(0, 0, 0, 0.75);
  --color-grid-line: rgba(57, 181, 74, 0.03);
  --color-hero-badge-bg: rgba(57, 181, 74, 0.1);
  --color-hero-badge-border: rgba(57, 181, 74, 0.3);
  --color-cta-bg: linear-gradient(135deg, rgba(57, 181, 74, 0.15) 0%, rgba(57, 181, 74, 0.05) 100%);
  --color-cta-border: rgba(57, 181, 74, 0.2);
  --color-why-hover-bg: rgba(57, 181, 74, 0.04);
  --color-why-hover-border: rgba(57, 181, 74, 0.3);
  --color-why-number: rgba(57, 181, 74, 0.3);
  --color-battery-top: linear-gradient(180deg, #555, #333);
  --color-battery-body: linear-gradient(145deg, #2a2a2a, #1a1a1a);
  --color-battery-border: #444;
  --color-toggle-bar: #ffffff;
  --color-link-hover: #ffffff;
  --color-read-hover: #ffffff;

  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
  --header-height: 80px;
  --max-width: 1200px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px var(--color-green-glow);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
  color-scheme: light;
  --color-bg: #f4f6f8;
  --color-bg-elevated: #ffffff;
  --color-bg-card: #ffffff;
  --color-bg-card-hover: #f0f4f1;
  --color-green: #2d9a3e;
  --color-green-dark: #248532;
  --color-green-glow: rgba(45, 154, 62, 0.2);
  --color-white: #ffffff;
  --color-heading: #111827;
  --color-text: #1f2937;
  --color-text-muted: #6b7280;
  --color-border: rgba(0, 0, 0, 0.1);
  --color-error: #dc2626;
  --color-surface: rgba(0, 0, 0, 0.04);
  --color-surface-hover: rgba(0, 0, 0, 0.07);
  --color-surface-strong: rgba(0, 0, 0, 0.06);
  --color-input-bg: #f9fafb;
  --color-nav-scrolled: rgba(255, 255, 255, 0.95);
  --color-overlay: rgba(0, 0, 0, 0.35);
  --color-modal-backdrop: rgba(17, 24, 39, 0.45);
  --color-grid-line: rgba(45, 154, 62, 0.08);
  --color-hero-badge-bg: rgba(45, 154, 62, 0.1);
  --color-hero-badge-border: rgba(45, 154, 62, 0.25);
  --color-cta-bg: linear-gradient(135deg, rgba(45, 154, 62, 0.12) 0%, rgba(45, 154, 62, 0.04) 100%);
  --color-cta-border: rgba(45, 154, 62, 0.2);
  --color-why-hover-bg: rgba(45, 154, 62, 0.06);
  --color-why-hover-border: rgba(45, 154, 62, 0.25);
  --color-why-number: rgba(45, 154, 62, 0.35);
  --color-battery-top: linear-gradient(180deg, #9ca3af, #6b7280);
  --color-battery-body: linear-gradient(145deg, #e5e7eb, #d1d5db);
  --color-battery-border: #9ca3af;
  --color-toggle-bar: #111827;
  --color-link-hover: #111827;
  --color-read-hover: #111827;
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 0 32px var(--color-green-glow);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--transition), color var(--transition);
}

body {
  font-family: var(--font-family);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color var(--transition), color var(--transition);
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

main { flex: 1; padding-top: var(--header-height); }

.section { padding: 5rem 0; }

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-green);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  color: var(--color-heading);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 600px;
  line-height: 1.7;
}

.section-header { margin-bottom: 3rem; }
.section-header--centered { text-align: center; }
.section-header--centered .section-subtitle { margin: 0 auto; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary { background: var(--color-green); color: var(--color-white); }
.btn-primary:hover {
  background: var(--color-green-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-outline {
  border: 2px solid var(--color-green);
  color: var(--color-green);
  background: transparent;
}
.btn-outline:hover {
  background: var(--color-green);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-ghost {
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}
.btn-ghost:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-border);
}

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: background var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  background: var(--color-bg-card-hover);
  border-color: rgba(57, 181, 74, 0.2);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.page-enter { animation: pageEnter 0.5s ease forwards; }

@keyframes pageEnter {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.animate-on-scroll.visible { opacity: 1; transform: translateY(0); }

.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;
}

/* ========== NAVBAR ========== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-height);
  transition: background var(--transition), box-shadow var(--transition);
}

.navbar--scrolled {
  background: var(--color-nav-scrolled);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--color-border);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 2rem;
}

.navbar__logo img {
  height: 44px;
  width: auto;
  border-radius: 4px;
  transition: transform var(--transition);
}
.navbar__logo:hover img { transform: scale(1.03); }

.navbar__nav { flex: 1; display: flex; justify-content: center; }
.navbar__list { display: flex; align-items: center; gap: 0.25rem; }

.navbar__link {
  display: block;
  padding: 0.5rem 1.1rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  position: relative;
}
.navbar__link:hover { color: var(--color-link-hover); background: var(--color-surface); }
.navbar__link--active { color: var(--color-green); }
.navbar__link--active::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 50%;
  transform: translateX(-50%);
  width: 20px; height: 2px;
  background: var(--color-green);
  border-radius: 2px;
}

.navbar__cta { padding: 0.65rem 1.25rem; font-size: 0.875rem; }

.navbar__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.2rem;
}

.lang-btn {
  padding: 0.35rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  border-radius: 6px;
  transition: all var(--transition);
  min-width: 2.5rem;
}

.lang-btn:hover { color: var(--color-link-hover); background: var(--color-surface-hover); }
.lang-btn--active {
  background: var(--color-green);
  color: var(--color-white);
}

.lang-switcher--mobile {
  display: none;
  margin-top: 1.5rem;
  width: 100%;
  justify-content: center;
}

/* Theme Toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
  flex-shrink: 0;
}

.theme-toggle:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-green);
  transform: scale(1.05);
}

.theme-toggle__icon {
  font-size: 1.1rem;
  line-height: 1;
}

#theme-toggle-mobile {
  display: none;
  margin-top: 1rem;
  justify-content: center;
}

#theme-toggle-mobile .theme-toggle {
  width: 100%;
  max-width: 200px;
}

/* RTL Support */
body.rtl {
  font-family: 'Vazirmatn', 'Inter', system-ui, sans-serif;
}

body.rtl .navbar__link--active::after { left: auto; right: 50%; transform: translateX(50%); }
body.rtl .news-card__read:hover { transform: translateX(-4px); }
body.rtl .hero__actions { flex-direction: row-reverse; }
body.rtl .cta-box__actions { flex-direction: row-reverse; }
body.rtl .footer__contact li { flex-direction: row-reverse; text-align: right; }
body.rtl .info-card li { flex-direction: row-reverse; text-align: right; }
body.rtl .home-news__header { flex-direction: row-reverse; }
body.rtl .section-header--centered { text-align: center; }

.navbar__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  padding: 8px;
  border-radius: var(--radius-sm);
  z-index: 1001;
}
.navbar__toggle span {
  display: block; width: 100%; height: 2px;
  background: var(--color-toggle-bar);
  border-radius: 2px;
  transition: all var(--transition);
}
.navbar__toggle--open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar__toggle--open span:nth-child(2) { opacity: 0; }
.navbar__toggle--open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.navbar__overlay { display: none; }

/* ========== FOOTER ========== */
.footer {
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border);
  padding: 4rem 0 0;
  margin-top: auto;
  transition: background-color var(--transition), border-color var(--transition);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
}

.footer__logo { height: 50px; width: auto; border-radius: 4px; margin-bottom: 1rem; }
.footer__desc { font-size: 0.9rem; color: var(--color-text-muted); line-height: 1.7; margin-bottom: 1.5rem; }

.footer__social { display: flex; gap: 0.75rem; }
.footer__social-link {
  display: flex; align-items: center; justify-content: center;
  width: 42px; height: 42px;
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  transition: all var(--transition);
}
.footer__social-link .social-icon {
  width: 20px;
  height: 20px;
  display: block;
}
.footer__social-link:hover {
  background: var(--color-green);
  border-color: var(--color-green);
  color: var(--color-white);
  transform: translateY(-2px);
}

/* Shared social icon links (footer + contact) */
.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  transition: all var(--transition);
}
.social-link .social-icon {
  width: 20px;
  height: 20px;
  display: block;
}
.social-link:hover {
  background: var(--color-green);
  border-color: var(--color-green);
  color: var(--color-white);
  transform: translateY(-2px);
}

.footer__heading {
  font-size: 0.85rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--color-heading); margin-bottom: 1.25rem;
}

.footer__col ul { display: flex; flex-direction: column; gap: 0.65rem; }
.footer__col a { font-size: 0.9rem; color: var(--color-text-muted); transition: color var(--transition); }
.footer__col a:hover { color: var(--color-green); }

.footer__contact li {
  display: flex; align-items: flex-start; gap: 0.5rem;
  font-size: 0.9rem; color: var(--color-text-muted); line-height: 1.5;
}

.footer__cta-text { font-size: 0.9rem; color: var(--color-text-muted); margin-bottom: 1.25rem; line-height: 1.6; }

.footer__bottom {
  border-top: 1px solid var(--color-border);
  padding: 1.5rem 0;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 0.5rem;
  font-size: 0.85rem; color: var(--color-text-muted);
}
.footer__tag { color: var(--color-green); font-weight: 500; }

/* ========== MODAL ========== */
.modal {
  position: fixed; inset: 0; z-index: 2000;
  display: flex; align-items: center; justify-content: center;
  padding: 1.5rem;
  animation: modalFadeIn 0.3s ease;
}
.modal[hidden] { display: none; }

.modal__backdrop {
  position: absolute; inset: 0;
  background: var(--color-modal-backdrop);
  backdrop-filter: blur(4px);
}

.modal__content {
  position: relative;
  width: 100%; max-width: 720px; max-height: 85vh;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex; flex-direction: column;
  animation: modalSlideIn 0.35s ease;
}

.modal__header {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 1rem; padding: 1.5rem 1.75rem;
  border-bottom: 1px solid var(--color-border);
}

.modal__title { font-size: 1.35rem; font-weight: 700; color: var(--color-heading); line-height: 1.3; }

.modal__close {
  flex-shrink: 0; width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted); font-size: 1.1rem;
  transition: all var(--transition);
}
.modal__close:hover { background: var(--color-surface-strong); color: var(--color-heading); }

.modal__body { padding: 1.75rem; overflow-y: auto; line-height: 1.8; }

.news-detail__meta {
  display: flex; flex-wrap: wrap; gap: 1rem;
  font-size: 0.85rem; color: var(--color-text-muted);
  margin-bottom: 1.5rem; padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}
.news-detail__content p { margin-bottom: 1rem; line-height: 1.8; }

@keyframes modalFadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes modalSlideIn {
  from { opacity: 0; transform: translateY(24px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* ========== NEWS CARD ========== */
.news-card { display: flex; flex-direction: column; overflow: hidden; }
.news-card__link {
  display: flex; flex-direction: column; flex: 1; height: 100%;
  color: inherit; text-decoration: none;
}
.news-card__image {
  height: 180px; display: flex; align-items: flex-end;
  padding: 1rem; position: relative;
}
.news-card__category {
  font-size: 0.7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  background: rgba(0,0,0,0.5); backdrop-filter: blur(8px);
  padding: 0.35rem 0.75rem; border-radius: 20px; color: var(--color-white);
}
.news-card__body { padding: 1.5rem; display: flex; flex-direction: column; flex: 1; }
.news-card__meta {
  display: flex; gap: 1rem; font-size: 0.8rem;
  color: var(--color-text-muted); margin-bottom: 0.75rem;
}
.news-card__title {
  font-size: 1.1rem; font-weight: 700; color: var(--color-heading);
  line-height: 1.4; margin-bottom: 0.75rem;
}
.news-card__excerpt {
  font-size: 0.9rem; color: var(--color-text-muted);
  line-height: 1.6; flex: 1; margin-bottom: 1.25rem;
}
.news-card__read {
  align-self: flex-start; font-size: 0.875rem; font-weight: 600;
  color: var(--color-green); transition: all var(--transition);
}
.news-card__read:hover { color: var(--color-read-hover); transform: translateX(4px); }

/* ========== PAGE HERO (shared) ========== */
.page-hero {
  padding: 4rem 0 2rem;
  background: linear-gradient(180deg, var(--color-bg-elevated) 0%, var(--color-bg) 100%);
  transition: background var(--transition);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 900px) {
  .navbar__cta { display: none; }
  .navbar__toggle { display: flex; }
  .lang-switcher--mobile { display: flex; }
  #lang-switcher { display: none; }
  #theme-toggle-wrap { display: none; }
  #theme-toggle-mobile { display: flex; }

  .navbar__nav {
    position: fixed; top: 0; right: 0;
    width: min(320px, 85vw); height: 100vh;
    background: var(--color-bg-elevated);
    border-left: 1px solid var(--color-border);
    flex-direction: column; justify-content: flex-start;
    padding: calc(var(--header-height) + 2rem) 2rem 2rem;
    transform: translateX(100%);
    transition: transform var(--transition);
    z-index: 1000;
  }
  .navbar__nav--open { transform: translateX(0); }
  .navbar__list { flex-direction: column; align-items: stretch; gap: 0.5rem; width: 100%; }
  .navbar__link { padding: 1rem 1.25rem; font-size: 1.1rem; }

  body.rtl .navbar__nav {
    right: auto;
    left: 0;
    border-left: none;
    border-right: 1px solid var(--color-border);
    transform: translateX(-100%);
  }
  body.rtl .navbar__nav--open { transform: translateX(0); }

  .navbar__overlay {
    display: block; position: fixed; inset: 0;
    background: var(--color-overlay); z-index: 999;
  }

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

@media (max-width: 768px) {
  .section { padding: 3.5rem 0; }
  :root { --header-height: 70px; }
}

@media (max-width: 560px) {
  .footer__grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer__bottom { flex-direction: column; text-align: center; }
  .navbar__logo img { height: 36px; }

  .modal { padding: 0; align-items: flex-end; }
  .modal__content { max-height: 92vh; border-radius: var(--radius-lg) var(--radius-lg) 0 0; }
}