/* ============================================================
   style.css - شركة الاعمار التقني لصناعة مواد البناء
   نظام التصميم: BEM + CSS Variables
   ============================================================ */

/* ==================== CSS Variables ==================== */
:root {
  --color-primary: #1A1D21;
  --color-secondary: #4B5563;
  --color-accent: #B8763E;
  --color-bg: #F7F6F4;
  --color-white: #FFFFFF;

  --shadow-sm: 0 2px 8px rgba(26, 29, 33, 0.06);
  --shadow-md: 0 8px 24px rgba(26, 29, 33, 0.08);
  --shadow-lg: 0 16px 40px rgba(26, 29, 33, 0.12);

  --nav-height: 80px;
  --border-radius-sm: 6px;
  --border-radius: 12px;
  --border-radius-lg: 16px;
  --border-radius-xl: 20px;
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: 'IBM Plex Sans Arabic', sans-serif;
  font-weight: 400;
  background-color: var(--color-bg);
  color: var(--color-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body[lang="en"] {
  font-family: 'IBM Plex Sans', sans-serif;
}

h1, h2, h3, h4 {
  font-family: 'Tajawal', sans-serif;
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-primary);
}

body[lang="en"] h1,
body[lang="en"] h2,
body[lang="en"] h3,
body[lang="en"] h4 {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==================== Utility: Reveal Animations ==================== */
.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-hidden {
  opacity: 0;
  transform: translateY(30px);
}

/* ==================== Navbar ==================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background-color: var(--color-white);
  display: flex;
  align-items: center;
  transition: background 0.3s, box-shadow 0.3s;
}

.navbar--scrolled {
  box-shadow: var(--shadow-sm);
}

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

/* Logo */
.navbar__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--color-primary);
  flex-shrink: 0;
}

.navbar__logo-img {
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius-sm);
  object-fit: contain;
  background: rgba(26, 29, 33, 0.03);
  padding: 6px;
  border: 1px solid rgba(26, 29, 33, 0.08);
}

.navbar__logo-text {
  font-weight: 800;
  font-size: 1.1rem;
  line-height: 1.2;
  font-family: 'Tajawal', sans-serif;
}

body[lang="en"] .navbar__logo-text {
  font-family: 'Poppins', sans-serif;
}

.navbar__logo-sub {
  display: block;
  font-size: 0.68rem;
  color: var(--color-secondary);
  font-weight: 500;
  letter-spacing: 0.5px;
}

/* Nav links */
.navbar__nav-list {
  display: flex;
  gap: 6px;
  list-style: none;
  align-items: center;
}

.navbar__nav-link {
  color: var(--color-secondary);
  text-decoration: none;
  font-weight: 600;
  padding: 10px 16px;
  transition: color var(--transition), background-color var(--transition);
  border-radius: var(--border-radius-sm);
  font-size: 0.92rem;
  white-space: nowrap;
  position: relative;
}

.navbar__nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 16px;
  right: 16px;
  height: 2px;
  background-color: var(--color-accent);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.navbar__nav-link:hover,
.navbar__nav-link--active {
  color: var(--color-primary);
  background-color: rgba(184, 118, 62, 0.05);
}

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

/* Language & Hamburger */
.navbar__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.navbar__lang-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  background: rgba(184, 118, 62, 0.08);
  color: var(--color-accent);
  border: 1.5px solid rgba(184, 118, 62, 0.3);
  padding: 9px 18px;
  border-radius: 40px;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.88rem;
  font-family: inherit;
  transition: all var(--transition);
  white-space: nowrap;
}

.navbar__lang-btn:hover {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

.navbar__hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--color-accent);
  font-size: 1.6rem;
  cursor: pointer;
  padding: 8px;
  transition: color var(--transition);
  border-radius: 6px;
}

.navbar__hamburger:hover {
  color: var(--color-primary);
  background: rgba(184, 118, 62, 0.05);
}

/* ==================== Mobile Menu ==================== */
.mobile-menu__overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.mobile-menu__overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 280px;
  background: var(--color-white);
  z-index: 999;
  padding: 90px 28px 40px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-lg);
  border-left: 1px solid rgba(26, 29, 33, 0.1);
}

[dir="ltr"] .mobile-menu {
  left: 0;
  right: auto;
  transform: translateX(-100%);
  border-left: none;
  border-right: 1px solid rgba(26, 29, 33, 0.1);
}

.mobile-menu.active {
  transform: translateX(0);
}

.mobile-menu__close {
  position: absolute;
  top: 22px;
  right: 18px;
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: 1.6rem;
  cursor: pointer;
  padding: 8px 12px;
  border-radius: 6px;
  transition: color var(--transition);
}

.mobile-menu__close:hover {
  color: var(--color-accent);
  background: rgba(184, 118, 62, 0.05);
}

.mobile-menu__list {
  list-style: none;
}

.mobile-menu__link {
  display: block;
  padding: 13px 18px;
  color: var(--color-secondary);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.05rem;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition);
}

.mobile-menu__link:hover,
.mobile-menu__link--active {
  background: rgba(184, 118, 62, 0.08);
  color: var(--color-accent);
}

/* ==================== Hero Section ==================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-white);
  padding-top: var(--nav-height);
  overflow: hidden;
  background: url('assets/hero/slide1.jpg') center/cover no-repeat;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(26, 29, 33, 0.65) 0%, rgba(26, 29, 33, 0.85) 100%);
  z-index: 1;
}

.hero__container {
  position: relative;
  z-index: 2;
  max-width: 850px;
  padding: 40px 24px;
}

.hero__title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  font-family: 'Tajawal', sans-serif;
  color: var(--color-white);
  margin-bottom: 18px;
}

body[lang="en"] .hero__title {
  font-family: 'Poppins', sans-serif;
  font-weight: 800;
}

.hero__highlight {
  color: var(--color-accent);
}

.hero__subtitle {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 700px;
  margin: 0 auto 32px;
  font-weight: 500;
}

.hero__cta {
  display: inline-block;
  padding: 16px 44px;
  background: var(--color-accent);
  color: var(--color-white);
  text-decoration: none;
  border-radius: 40px;
  font-weight: 700;
  font-size: 1.05rem;
  transition: all var(--transition);
  border: 2px solid transparent;
}

.hero__cta:hover {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* ==================== Counters Section ==================== */
.counters {
  padding: clamp(60px, 8vw, 120px) 0;
  background-color: var(--color-bg);
}

.counters__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 28px;
}

.counter-item {
  background-color: var(--color-white);
  padding: 32px 20px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: transform var(--transition);
}

.counter-item:hover {
  transform: translateY(-4px);
}

.counter-item__number {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 900;
  color: var(--color-accent);
  display: block;
  line-height: 1;
  font-family: 'Tajawal', sans-serif;
}

body[lang="en"] .counter-item__number {
  font-family: 'Poppins', sans-serif;
}

.counter-item__suffix {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-left: 4px;
  vertical-align: super;
}

.counter-item__label {
  display: block;
  margin-top: 8px;
  font-size: 0.95rem;
  color: var(--color-secondary);
  font-weight: 500;
  letter-spacing: 0.3px;
}

/* ==================== About Section ==================== */
.about {
  padding: clamp(60px, 8vw, 120px) 0;
  background-color: var(--color-white);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.about__text h2 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 900;
  color: var(--color-primary);
  margin-bottom: 28px;
  position: relative;
}

.about__text h2::after {
  content: '';
  display: block;
  width: 50px;
  height: 3px;
  background-color: var(--color-accent);
  margin-top: 14px;
  border-radius: 3px;
}

.about__description {
  color: var(--color-secondary);
  margin-bottom: 24px;
  font-size: 1.05rem;
  line-height: 1.8;
}

.about__subheading {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 24px 0 8px;
}

.about__vision,
.about__mission {
  color: var(--color-secondary);
  margin-bottom: 16px;
  font-size: 1rem;
  line-height: 1.7;
}

.about__image-container {
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(26, 29, 33, 0.05);
  aspect-ratio: 4 / 3;
}

.about__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ==================== Products Section ==================== */
.products {
  padding: clamp(60px, 8vw, 120px) 0;
  background-color: var(--color-bg);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header__title {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 900;
  color: var(--color-primary);
  position: relative;
  display: inline-block;
}

.section-header__title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--color-accent);
  margin: 14px auto 0;
  border-radius: 3px;
}

.section-header__intro {
  color: var(--color-secondary);
  margin-top: 12px;
  font-size: 1.05rem;
}

.products__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.product-card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: 36px 28px 30px;
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

@media (hover: hover) {
  .product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
  }
}

.product-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: rgba(184, 118, 62, 0.1);
  color: var(--color-accent);
  font-size: 2rem;
  margin-bottom: 20px;
  transition: transform var(--transition);
}

@media (hover: hover) {
  .product-card:hover .product-card__icon {
    transform: scale(1.08);
  }
}

.product-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.product-card__desc {
  font-size: 0.95rem;
  color: var(--color-secondary);
  line-height: 1.65;
  margin-bottom: 18px;
}

.product-card__info-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(184, 118, 62, 0.06);
  color: var(--color-accent);
  font-size: 1rem;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  margin-top: auto;
}

.product-card__info-toggle:hover {
  background: var(--color-accent);
  color: var(--color-white);
}

/* ==================== Partners Section ==================== */
.partners {
  padding: clamp(60px, 8vw, 120px) 0;
  background-color: var(--color-white);
}

.partners__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.partner-box {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 26px 18px;
  border-radius: var(--border-radius);
  text-align: center;
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  transition: border-color var(--transition), transform var(--transition);
}

@media (hover: hover) {
  .partner-box:hover {
    border-color: var(--color-accent);
    transform: translateY(-5px);
  }
}

/* ==================== Contact Section ==================== */
.contact {
  padding: clamp(60px, 8vw, 120px) 0;
  background-color: var(--color-bg);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}

.contact__heading {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 900;
  color: var(--color-primary);
  margin-bottom: 18px;
}

.contact__intro {
  font-size: 1.1rem;
  margin-bottom: 28px;
  color: var(--color-secondary);
}

.contact__detail {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  color: var(--color-primary);
  font-size: 1rem;
}

.contact__detail i {
  color: var(--color-accent);
  font-size: 1.1rem;
  width: 20px;
  text-align: center;
}

.contact__map {
  margin-top: 20px;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(26, 29, 33, 0.08);
}

.contact__map-iframe {
  width: 100%;
  height: 220px;
  border: none;
  display: block;
}

/* Form */
.form {
  background: var(--color-white);
  padding: 44px 36px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

.form__group {
  margin-bottom: 18px;
}

.form__input,
.form__textarea {
  width: 100%;
  padding: 15px 18px;
  border: 1.5px solid var(--color-secondary);
  border-radius: var(--border-radius);
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--color-white);
  color: var(--color-primary);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  resize: vertical;
}

.form__input:focus,
.form__textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(184, 118, 62, 0.15);
}

.form__textarea {
  min-height: 130px;
}

.form__submit {
  width: 100%;
  padding: 16px 32px;
  background: var(--color-accent);
  color: var(--color-white);
  border: 2px solid var(--color-accent);
  border-radius: 40px;
  font-weight: 700;
  font-size: 1.05rem;
  cursor: pointer;
  font-family: inherit;
  transition: all var(--transition);
}

.form__submit:hover {
  background: transparent;
  color: var(--color-accent);
}

.form__success-msg {
  display: none;
  padding: 14px 18px;
  background: rgba(184, 118, 62, 0.06);
  color: var(--color-accent);
  border-radius: var(--border-radius);
  font-weight: 600;
  margin-top: 14px;
  text-align: center;
  border: 1px solid rgba(184, 118, 62, 0.3);
}

.form__success-msg.visible {
  display: block;
  animation: fadeInUp 0.4s ease;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==================== Footer ==================== */
.footer {
  padding: 45px 0;
  background-color: var(--color-primary);
  text-align: center;
  color: rgba(255, 255, 255, 0.75);
}

.footer__email {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.15rem;
  transition: color var(--transition);
  display: inline-block;
  margin-bottom: 16px;
}

.footer__email:hover {
  color: var(--color-white);
}

.footer__copy {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ==================== Floating Buttons ==================== */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  left: 28px;
  background-color: #25D366;
  color: var(--color-white);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: var(--shadow-md);
  z-index: 997;
  transition: transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.3);
}

.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--color-white);
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  z-index: 997;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-4px);
}

/* ==================== Responsive ==================== */
@media (max-width: 992px) {
  .about__grid {
    grid-template-columns: 1fr;
  }

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

  .navbar__nav-list {
    display: none;
  }

  .navbar__hamburger {
    display: block;
  }
}

@media (max-width: 600px) {
  :root {
    --nav-height: 66px;
  }

  .hero {
    min-height: 80vh;
  }

  .counters__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .form {
    padding: 28px 18px;
  }

  .whatsapp-float {
    width: 48px;
    height: 48px;
    font-size: 1.4rem;
    bottom: 16px;
    left: 16px;
  }

  .back-to-top {
    width: 40px;
    height: 40px;
    font-size: 1rem;
    bottom: 16px;
    right: 16px;
  }

  .navbar__lang-btn {
    padding: 7px 12px;
    font-size: 0.78rem;
    gap: 4px;
  }

  .navbar__logo-img {
    width: 44px;
    height: 44px;
  }

  .navbar__logo-text {
    font-size: 0.9rem;
  }

  .navbar__logo-sub {
    font-size: 0.6rem;
  }
}