/* 
 * Atlas Realty: Air BnB Investments 
 * Custom Vanilla CSS Design System 
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Montserrat:wght@400;500;600;700;800&display=swap');

:root {
  /* Color Palette */
  --primary: #0f766e;        /* Dark Emerald */
  --primary-light: #14b8a6;  /* Teal */
  --primary-dark: #115e59;   /* Deep Teal */
  --secondary: #0f172a;      /* Slate 900 */
  --accent: #10b981;         /* Emerald 500 */
  --bg-light: #f8fafc;       /* Slate 50 */
  --bg-white: #ffffff;
  --bg-dark: #0b0f19;        /* Extremely dark professional slate */
  --text-dark: #0f172a;      /* Slate 900 */
  --text-medium: #475569;    /* Slate 600 */
  --text-light: #94a3b8;     /* Slate 400 */
  --text-white: #ffffff;
  --border-color: #e2e8f0;   /* Slate 200 */
  
  /* Fonts */
  --font-sans: 'Inter', sans-serif;
  --font-display: 'Montserrat', sans-serif;
  
  /* Layout & Animations */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-sans);
  color: var(--text-dark);
  background-color: var(--bg-white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
}

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

ul {
  list-style: none;
}

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

/* Grid & Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 6rem 0;
}

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

.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr; }

@media(min-width: 768px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

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

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

/* Typography & Headers */
.section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--secondary);
  position: relative;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-medium);
  max-width: 600px;
  margin: 0 auto 3.5rem auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  font-weight: 600;
  font-family: var(--font-display);
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  gap: 0.5rem;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--text-white);
  box-shadow: 0 4px 14px rgba(15, 118, 110, 0.4);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(15, 118, 110, 0.6);
}

.btn-outline {
  border-color: var(--primary);
  color: var(--primary);
  background-color: transparent;
}

.btn-outline:hover {
  background-color: var(--primary);
  color: var(--text-white);
  transform: translateY(-2px);
}

.btn-white {
  background-color: var(--bg-white);
  color: var(--primary);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
}

.btn-white:hover {
  background-color: var(--bg-light);
  transform: translateY(-2px);
}

/* Header & Navigation */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(15, 23, 42, 0.85); /* Dark Slate Glassmorphism */
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: var(--transition);
}

.site-header.scrolled {
  background-color: rgba(15, 23, 42, 0.98);
  padding: 0.5rem 0;
  box-shadow: var(--shadow-md);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
  transition: var(--transition);
}

.logo-link {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.5px;
  color: var(--text-white);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-link span {
  color: var(--primary-light);
}

.nav-menu {
  display: flex;
  gap: 2rem;
}

.nav-link {
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 0;
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-white);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-light);
  transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.menu-toggle span {
  width: 100%;
  height: 3px;
  background-color: var(--text-white);
  border-radius: 3px;
  transition: var(--transition);
}

/* Mobile Menu Styling */
@media(max-width: 767px) {
  .menu-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 400px;
    height: 100vh;
    background-color: var(--secondary);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.3);
    transition: all 0.4s ease;
    padding: 2rem;
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-link {
    font-size: 1.25rem;
  }
  
  /* Menu icon state changes */
  .menu-toggle.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
  }
  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  .menu-toggle.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
  }
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  color: var(--text-white);
  padding-top: 100px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.6));
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-subtitle {
  color: var(--primary-light);
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 1rem;
}

.hero-title {
  font-size: 3.5rem;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: -1px;
}

@media(max-width: 767px) {
  .hero-title {
    font-size: 2.5rem;
  }
}

.hero-desc {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 2.5rem;
  font-weight: 300;
}

.hero-actions {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

/* Card Styling */
.card {
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(15, 118, 110, 0.15);
}

.card-icon {
  width: 60px;
  height: 60px;
  background-color: rgba(15, 118, 110, 0.1);
  color: var(--primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  transition: var(--transition);
}

.card:hover .card-icon {
  background-color: var(--primary);
  color: var(--text-white);
}

.card-title {
  font-size: 1.25rem;
  color: var(--secondary);
  margin-bottom: 1rem;
}

.card-desc {
  color: var(--text-medium);
  font-size: 0.95rem;
}

/* Feature/Dashboard Section */
.feature-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.feature-image-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(15, 118, 110, 0.2), transparent);
}

.feature-list {
  margin-top: 1.5rem;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
}

.feature-item i {
  color: var(--accent);
  font-size: 1.25rem;
  margin-top: 0.25rem;
}

/* Advisor Section / Highlights */
.advisor-card {
  text-align: center;
  padding: 3rem 2rem;
}

.advisor-num {
  font-size: 3rem;
  font-family: var(--font-display);
  font-weight: 800;
  color: rgba(15, 118, 110, 0.15);
  line-height: 1;
  margin-bottom: 1rem;
  transition: var(--transition);
}

.card:hover .advisor-num {
  color: var(--primary-light);
  transform: scale(1.1);
}

/* Contact Block in Home */
.contact-section-home {
  background-size: cover;
  background-position: center;
  position: relative;
  color: var(--text-white);
}

.contact-section-home::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 23, 42, 0.92);
  z-index: 1;
}

.contact-section-home .container {
  position: relative;
  z-index: 2;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
}

@media(min-width: 992px) {
  .contact-grid {
    grid-template-columns: 1.2fr 0.8fr;
  }
}

.contact-info-block h3 {
  font-size: 2.25rem;
  margin-bottom: 1.5rem;
  color: var(--text-white);
}

.contact-info-block p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

/* Interactive Form Styling */
.contact-form-card {
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 3rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: rgba(255, 255, 255, 0.9);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-control {
  width: 100%;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  padding: 0.875rem 1.25rem;
  color: var(--text-white);
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: var(--transition);
}

.form-control::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-light);
  background-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.25);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* Light form overrides for Contact Page */
.contact-page-form .contact-form-card {
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
}

.contact-page-form .form-label {
  color: var(--secondary);
}

.contact-page-form .form-control {
  background-color: var(--bg-light);
  border: 1px solid var(--border-color);
  color: var(--text-dark);
}

.contact-page-form .form-control::placeholder {
  color: var(--text-light);
}

.contact-page-form .form-control:focus {
  background-color: var(--bg-white);
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.15);
}

/* Feedback messages */
.form-feedback {
  padding: 1rem;
  border-radius: var(--radius-sm);
  margin-top: 1.5rem;
  font-weight: 500;
  display: none;
  animation: fadeIn 0.4s ease;
}

.form-feedback.success {
  display: block;
  background-color: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.form-feedback.error {
  display: block;
  background-color: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

/* FAQ Accordion Styling */
.accordion {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.accordion-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-white);
  overflow: hidden;
  transition: var(--transition);
}

.accordion-item:hover {
  border-color: rgba(15, 118, 110, 0.3);
}

.accordion-header {
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
  transition: var(--transition);
}

.accordion-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--secondary);
}

.accordion-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
  color: var(--primary);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  padding: 0 1.5rem;
  transition: max-height 0.3s ease, padding 0.3s ease;
  color: var(--text-medium);
  font-size: 0.975rem;
}

.accordion-item.active .accordion-icon {
  transform: rotate(45deg);
}

.accordion-item.active .accordion-content {
  max-height: 200px;
  padding-bottom: 1.5rem;
}

/* Partner Grid */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

@media(min-width: 768px) {
  .partner-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.partner-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background-color: var(--bg-light);
  border-radius: var(--radius-md);
  transition: var(--transition);
  min-height: 100px;
}

.partner-logo img {
  max-height: 40px;
  filter: grayscale(100%);
  opacity: 0.5;
  transition: var(--transition);
}

.partner-logo:hover {
  background-color: var(--bg-white);
  box-shadow: var(--shadow-md);
  border-color: var(--border-color);
}

.partner-logo:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

/* Team Grid (About Page) */
.team-card {
  text-align: center;
  padding: 0;
  overflow: hidden;
}

.team-img-wrapper {
  position: relative;
  overflow: hidden;
}

.team-img-wrapper img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  transition: var(--transition);
}

.team-card:hover .team-img-wrapper img {
  transform: scale(1.05);
}

.team-socials {
  position: absolute;
  bottom: -50px;
  left: 0;
  width: 100%;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.9), transparent);
  padding: 1.5rem 1rem 1rem 1rem;
  display: flex;
  justify-content: center;
  gap: 1.25rem;
  transition: var(--transition);
}

.team-card:hover .team-socials {
  bottom: 0;
}

.team-social-link {
  color: var(--text-white);
  font-size: 1.1rem;
}

.team-social-link:hover {
  color: var(--primary-light);
}

.team-info {
  padding: 2rem;
}

.team-name {
  font-size: 1.25rem;
  color: var(--secondary);
  margin-bottom: 0.25rem;
}

.team-role {
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Footer Styles */
.site-footer {
  background-color: var(--secondary);
  color: rgba(255, 255, 255, 0.7);
  padding-top: 5rem;
}

.footer-top {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 4rem;
}

.footer-grid {
  display: grid;
  gap: 3rem;
  grid-template-columns: 1fr;
}

@media(min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
}

.footer-about h3 {
  color: var(--text-white);
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
}

.footer-about p {
  line-height: 1.7;
}

.footer-title {
  color: var(--text-white);
  font-size: 1.15rem;
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.footer-links li {
  margin-bottom: 0.875rem;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-links a::before {
  content: '\f105';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  color: var(--primary-light);
  font-size: 0.8rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--text-white);
  padding-left: 5px;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}

.footer-contact i {
  color: var(--primary-light);
  font-size: 1.1rem;
  margin-top: 0.25rem;
}

.footer-bottom {
  padding: 2.5rem 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

@media(min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
  }
}

.copyright-text a {
  color: var(--text-white);
}

.copyright-text a:hover {
  color: var(--primary-light);
}

.footer-socials {
  display: flex;
  gap: 1rem;
}

.social-icon {
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: var(--transition);
}

.social-icon:hover {
  background-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: 0 4px 10px rgba(15, 118, 110, 0.3);
}

/* Scroll to Top */
.scroll-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background-color: var(--primary);
  color: var(--text-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 99;
}

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

.scroll-to-top:hover {
  background-color: var(--primary-dark);
  transform: translateY(-3px);
}

/* Interactive Map Fallback Visual */
.map-visual-placeholder {
  width: 100%;
  height: 350px;
  background-color: #e2e8f0;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
  border: 1px solid var(--border-color);
  background-image: radial-gradient(circle, #cbd5e1 1px, transparent 1px);
  background-size: 20px 20px;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.map-visual-placeholder i {
  font-size: 3rem;
  color: var(--primary);
  margin-bottom: 1rem;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.map-visual-placeholder h4 {
  font-size: 1.25rem;
  color: var(--secondary);
  margin-bottom: 0.5rem;
}

.map-visual-placeholder p {
  color: var(--text-medium);
  font-size: 0.9rem;
  max-width: 300px;
}