/* ========================================
   Sahabat Properti Syariah - Main Stylesheet
   Modern Islamic Design with Green Theme
   ======================================== */

:root {
  /* Color Palette - Islamic Green Theme */
  --primary-green: #4caf50;
  --light-green: #81c784;
  --dark-green: #2e7d32;
  --soft-green: #a5d6a7;
  --white: #ffffff;
  --soft-gray: #f5f5f5;
  --medium-gray: #e0e0e0;
  --dark-gray: #424242;
  --text-dark: #212121;
  --text-light: #757575;
  --danger: #e53935;

  /* Typography */
  --font-primary: "Inter", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  --font-arabic: "Amiri", serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
  --shadow-hover: 0 12px 48px rgba(76, 175, 80, 0.2);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ========================================
   Global Styles
   ======================================== */

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

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

body {
  font-family: var(--font-primary);
  color: var(--text-dark);
  background-color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

/* ========================================
   Typography
   ======================================== */

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

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

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
  margin-bottom: var(--spacing-sm);
  color: var(--text-light);
}

/* ========================================
   Utility Classes
   ======================================== */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-xxl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  position: relative;
}

.section-title::after {
  content: "";
  display: block;
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-green), var(--light-green));
  margin: var(--spacing-sm) auto 0;
  border-radius: 2px;
}

.text-center {
  text-align: center;
}

.text-primary {
  color: var(--primary-green);
}

/* ========================================
   Buttons
   ======================================== */

.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  font-size: 1rem;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-green), var(--dark-green));
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-whatsapp {
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: var(--white);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1.1rem;
  box-shadow: var(--shadow-md);
}

.btn-whatsapp:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 48px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp::before {
  content: "📱";
  font-size: 1.3rem;
}

/* ========================================
   Header / Navbar
   ======================================== */

.header {
  background: var(--white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition-normal);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-green);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.logo img {
  height: 50px;
  width: auto;
}

/* ========================================
   Hero Section with Parallax
   ======================================== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(
    135deg,
    rgba(76, 175, 80, 0.9),
    rgba(46, 125, 50, 0.9)
  );
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("../images/hero-bg.jpg");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  z-index: -1;
  transform: scale(1.1);
  transition: transform 1s ease-out;
}

.hero:hover .hero-background {
  transform: scale(1.15);
}

.hero-content {
  text-align: center;
  color: var(--white);
  z-index: 2;
  animation: fadeInUp 1s ease-out;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  text-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  margin-bottom: var(--spacing-xl);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.95);
}

/* ========================================
   7 Tanpa Section
   ======================================== */

.tanpa-section {
  background: var(--soft-gray);
}

.tanpa-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.tanpa-card {
  background: var(--white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  transition: all var(--transition-normal);
  animation: fadeIn 0.6s ease-out;
  text-align: center;
}

.tanpa-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.tanpa-icon {
  font-size: 3rem;
  flex-shrink: 0;
}

.tanpa-text {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-dark);
}

/* ========================================
   Projects Section
   ======================================== */

.projects-section {
  background: var(--white);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.project-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  animation: fadeInUp 0.6s ease-out;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.project-image {
  width: 100%;
  height: 240px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-image {
  transform: scale(1.1);
}

.project-content {
  padding: var(--spacing-lg);
}

.project-name {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary-green);
  margin-bottom: var(--spacing-xs);
}

.project-location {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--text-light);
  margin-bottom: var(--spacing-xs);
  font-size: 0.95rem;
}

.project-location::before {
  content: "📍";
}

.project-address {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: var(--spacing-md);
}

/* ========================================
   Partners Section
   ======================================== */

.partners-section {
  background: var(--soft-gray);
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.partner-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: all var(--transition-normal);
  animation: fadeIn 0.6s ease-out;
}

.partner-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.partner-image {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto var(--spacing-md);
  border: 4px solid var(--soft-green);
}

.partner-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: var(--spacing-xs);
}

.partner-field {
  color: var(--primary-green);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.partner-address {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: var(--spacing-md);
}

/* ========================================
   Footer
   ======================================== */

.footer {
  background: linear-gradient(135deg, var(--dark-green), var(--primary-green));
  color: var(--white);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
  margin-bottom: var(--spacing-md);
  font-size: 1.3rem;
}

.footer-section p,
.footer-section a {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-xs);
}

.footer-section a:hover {
  color: var(--white);
  text-decoration: underline;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.8);
}

/* ========================================
   Animations
   ======================================== */

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ========================================
   Responsive Design (Mobile First)
   ======================================== */

@media (max-width: 768px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

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

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

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

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

@media (max-width: 480px) {
  :root {
    font-size: 14px;
  }

  .btn-whatsapp {
    width: 100%;
    justify-content: center;
  }
}

/* ========================================
   Lazy Load Animation
   ======================================== */

.lazy-load {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease-out;
}

.lazy-load.loaded {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   Articles Section
   ======================================== */

.articles-section {
  background: var(--white);
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.article-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  animation: fadeInUp 0.6s ease-out;
  display: flex;
  flex-direction: column;
}

.article-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.article-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.article-image-placeholder {
  width: 100%;
  height: 220px;
  background: linear-gradient(135deg, var(--soft-green), var(--light-green));
  display: flex;
  align-items: center;
  justify-content: center;
}

.article-card:hover .article-image {
  transform: scale(1.1);
}

.article-content {
  padding: var(--spacing-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.article-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
  font-size: 0.85rem;
}

.article-category {
  background: linear-gradient(135deg, var(--primary-green), var(--dark-green));
  color: var(--white);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-weight: 600;
}

.article-date {
  color: var(--text-light);
}

.article-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  line-height: 1.4;
}

.article-title a {
  color: var(--text-dark);
  transition: color var(--transition-normal);
}

.article-title a:hover {
  color: var(--primary-green);
}

.article-excerpt {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
  flex: 1;
}

.article-read-more {
  color: var(--primary-green);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: gap var(--transition-normal);
}

.article-read-more:hover {
  gap: 0.6rem;
}

.btn-secondary {
  background: linear-gradient(135deg, #9b59b6, #8e44ad);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 48px rgba(155, 89, 182, 0.3);
}

.btn-sm {
  padding: 0.6rem 1.2rem;
  font-size: 0.9rem;
}

/* Responsive for Articles */
@media (max-width: 768px) {
  .articles-grid {
    grid-template-columns: 1fr;
  }
}