/* ============================================
   CASELLA & ASOCIADOS - Estudio Jurídico
   Diseño: Sobrio, profesional, elegante
   ============================================ */

/* --- Google Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&family=Raleway:wght@300;400;500;600;700&display=swap');

/* --- CSS Variables --- */
:root {
  --color-bg-primary: #050505;
  --color-bg-secondary: #0e0e0e;
  --color-bg-card: #161616;
  --color-bg-card-hover: #1e1e1e;
  --color-accent: #c9a84c;
  --color-accent-light: #dfc06e;
  --color-accent-dark: #a8892e;
  --color-text-primary: #e8e6e3;
  --color-text-secondary: #9ca3af;
  --color-text-muted: #6b7280;
  --color-border: rgba(201, 168, 76, 0.15);
  --color-border-strong: rgba(201, 168, 76, 0.35);
  --color-overlay: rgba(5, 5, 5, 0.85);
  --color-whatsapp: #25D366;
  --color-error: #ef4444;
  --color-success: #22c55e;

  --font-heading: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-body: 'Raleway', 'Segoe UI', Tahoma, sans-serif;

  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
  --shadow-gold: 0 4px 20px rgba(201,168,76,0.15);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.7;
  font-weight: 400;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a:hover {
  color: var(--color-accent-light);
}

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

ul, ol { list-style: none; }

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-text-primary);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 3vw, 1.8rem); }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: 1rem;
  color: var(--color-text-secondary);
}

/* --- Layout Utilities --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 5rem 0;
}

.section-title {
  text-align: center;
  margin-bottom: 1rem;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  margin: 1rem auto 0;
  border-radius: 2px;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto 3rem;
}

/* ============================================
   HEADER / NAVIGATION
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(5, 5, 5, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition);
}

.header.scrolled {
  background: rgba(5, 5, 5, 0.98);
  box-shadow: var(--shadow-md);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.logo-img {
  height: 56px;
  width: auto;
  border-radius: 0;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: 0.5px;
}

.logo-text span {
  color: var(--color-accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  position: relative;
  padding: 0.25rem 0;
  transition: color var(--transition);
}

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

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-accent);
}

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

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 6px;
  padding: 4px;
  z-index: 1001;
}

.hamburger span {
  width: 28px;
  height: 2px;
  background: var(--color-text-primary);
  transition: all var(--transition);
  border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(201,168,76,0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(201,168,76,0.04) 0%, transparent 50%);
  pointer-events: none;
}

/* Hero with full-screen logo */
.hero-logo .hero-content,
.hero-with-bg .hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.hero-logo-img {
  width: min(55vw, 450px);
  height: auto;
  filter: drop-shadow(0 0 60px rgba(201,168,76,0.08));
  animation: heroLogoIn 1.2s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes heroLogoIn {
  from {
    opacity: 0;
    transform: scale(0.9) translateY(20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* Hero with background image */
.hero-with-bg {
  position: relative;
}

.hero-bg-image {
  position: absolute;
  inset: 0;
  background-image: url('img/hero-bg.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.15;
  filter: brightness(0.8) contrast(1.1);
  pointer-events: none;
  z-index: 0;
}

.hero-with-bg .hero-content {
  position: relative;
  z-index: 2;
}

.hero-content {
  text-align: center;
  max-width: 800px;
  padding: 2rem;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-accent);
  border: 1px solid var(--color-border-strong);
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
  margin-bottom: 2rem;
  background: rgba(201,168,76,0.05);
}

.hero h1 {
  margin-bottom: 1.5rem;
  font-weight: 700;
}

.hero h1 .accent {
  color: var(--color-accent);
}

.hero p {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: var(--color-bg-primary);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
  color: var(--color-bg-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

.btn-outline {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-strong);
}

.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: var(--color-whatsapp);
  color: #fff;
}

.btn-whatsapp:hover {
  background: #20bd5a;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
}

/* ============================================
   CARDS (Areas de Práctica)
   ============================================ */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  opacity: 0;
  transition: opacity var(--transition);
}

.card:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-strong);
  transform: translateY(-4px);
  box-shadow: var(--shadow-gold);
}

.card:hover::before {
  opacity: 1;
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
}

.card h3 {
  margin-bottom: 0.75rem;
  font-size: 1.4rem;
}

.card p {
  font-size: 0.95rem;
  line-height: 1.7;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.card-tag {
  font-size: 0.75rem;
  padding: 0.3rem 0.75rem;
  background: rgba(201,168,76,0.1);
  border: 1px solid var(--color-border);
  border-radius: 50px;
  color: var(--color-accent);
  font-weight: 500;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 4rem;
  align-items: center;
}

.about-image-wrapper {
  position: relative;
}

.about-image-wrapper::before {
  content: '';
  position: absolute;
  top: -12px;
  left: -12px;
  right: 12px;
  bottom: 12px;
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-lg);
  opacity: 0.3;
}

.about-image {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 1;
}

.about-content h2 {
  margin-bottom: 0.5rem;
}

.about-content .subtitle {
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-style: italic;
  margin-bottom: 2rem;
}

.about-content p {
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
}

.about-stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.stat {
  text-align: center;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-accent);
  display: block;
}

.stat-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-item-icon {
  width: 48px;
  height: 48px;
  background: rgba(201,168,76,0.1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.contact-item h4 {
  margin-bottom: 0.25rem;
  font-family: var(--font-body);
  font-weight: 600;
}

.contact-item p {
  font-size: 0.95rem;
  margin: 0;
}

.contact-form {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

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

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-secondary);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-accent);
}

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

.form-group select option {
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

.map-container {
  margin-top: 2rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.map-container iframe {
  width: 100%;
  height: 300px;
  border: none;
  filter: grayscale(0.4) brightness(0.8) contrast(1.1);
}

/* ============================================
   AI ASSISTANT (Chatbot)
   ============================================ */
.assistant-container {
  max-width: 800px;
  margin: 0 auto;
}

.chat-window {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 500px;
  display: flex;
  flex-direction: column;
}

.chat-header {
  padding: 1.25rem 1.5rem;
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.chat-status {
  width: 10px;
  height: 10px;
  background: var(--color-success);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.chat-header-text h4 {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
}

.chat-header-text p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin: 0;
}

.chat-messages {
  flex: 1;
  padding: 1.5rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.chat-message {
  max-width: 80%;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-lg);
  font-size: 0.95rem;
  line-height: 1.6;
  animation: fadeInUp 0.3s ease;
}

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

.chat-message.bot {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  align-self: flex-start;
  border-bottom-left-radius: var(--radius-sm);
}

.chat-message.user {
  background: rgba(201,168,76,0.15);
  border: 1px solid var(--color-border-strong);
  align-self: flex-end;
  border-bottom-right-radius: var(--radius-sm);
  color: var(--color-text-primary);
}

.chat-message.bot .area-result {
  margin-top: 0.75rem;
  padding: 0.75rem 1rem;
  background: rgba(201,168,76,0.1);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-accent);
}

.chat-message.bot .area-result strong {
  color: var(--color-accent);
  display: block;
  margin-bottom: 0.25rem;
}

.chat-input-area {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: 0.75rem;
  background: var(--color-bg-secondary);
}

.chat-input-area input {
  flex: 1;
  padding: 0.85rem 1rem;
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
}

.chat-input-area input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.chat-input-area button {
  padding: 0.85rem 1.5rem;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: var(--color-bg-primary);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition);
}

.chat-input-area button:hover {
  background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
}

.chat-input-area button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.typing-indicator {
  display: flex;
  gap: 4px;
  padding: 0.75rem 1.25rem;
  align-self: flex-start;
}

.typing-indicator span {
  width: 8px;
  height: 8px;
  background: var(--color-text-muted);
  border-radius: 50%;
  animation: typing 1.4s infinite;
}

.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-6px); opacity: 1; }
}

/* ============================================
   CONFIRMATION MODAL
   ============================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  animation: modalFadeIn 0.3s ease forwards;
  padding: 1.5rem;
}

@keyframes modalFadeIn {
  to { opacity: 1; }
}

.modal-box {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  max-width: 460px;
  width: 100%;
  text-align: center;
  position: relative;
  box-shadow: var(--shadow-lg), 0 0 40px rgba(201,168,76,0.1);
  animation: modalSlideIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  transform: translateY(20px);
}

@keyframes modalSlideIn {
  to { transform: translateY(0); }
}

.modal-icon {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  display: block;
}

.modal-box h3 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--color-accent);
}

.modal-box p {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 0;
}

.modal-box .modal-note {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.modal-close {
  margin-top: 1.5rem;
  padding: 0.75rem 2rem;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: var(--color-bg-primary);
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all var(--transition);
}

.modal-close:hover {
  background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(201,168,76,0.2);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: 3rem 0 1.5rem;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2.5rem;
}

.footer-brand .logo-text {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer h4 {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.footer-links a {
  display: block;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  padding: 0.3rem 0;
}

.footer-links a:hover {
  color: var(--color-accent);
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-link {
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  transition: all var(--transition);
}

.social-link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(201,168,76,0.1);
}

.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* ============================================
   WHATSAPP FLOATING BUTTON
   ============================================ */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  background: var(--color-whatsapp);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  z-index: 999;
  transition: all var(--transition);
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37,211,102,0.5);
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
  fill: #fff;
}

/* ============================================
   ANIMATIONS
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* ============================================
   PAGE BANNER (for inner pages)
   ============================================ */
.page-banner {
  padding: 10rem 0 4rem;
  text-align: center;
  position: relative;
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}

.page-banner .hero-bg-image {
  position: absolute;
  inset: 0;
  background-image: url('img/hero-bg.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.12;
  filter: brightness(0.8) contrast(1.1);
  pointer-events: none;
  z-index: 0;
}

.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(201,168,76,0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

.page-banner h1 {
  position: relative;
  z-index: 2;
}

.page-banner p {
  position: relative;
  z-index: 2;
  max-width: 600px;
  margin: 1rem auto 0;
  font-size: 1.05rem;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 992px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    text-align: center;
  }

  .about-image-wrapper {
    max-width: 320px;
    margin: 0 auto;
  }

  .about-stats {
    justify-content: center;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-bg-secondary);
    flex-direction: column;
    justify-content: center;
    gap: 1.5rem;
    padding: 2rem;
    border-left: 1px solid var(--color-border);
    transition: right var(--transition);
    box-shadow: var(--shadow-lg);
  }

  .nav-links.open {
    right: 0;
  }

  .hamburger {
    display: flex;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }

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

  .section {
    padding: 3.5rem 0;
  }

  .container {
    padding: 0 1.25rem;
  }

  .chat-message {
    max-width: 90%;
  }

  .about-stats {
    flex-direction: column;
    gap: 1.5rem;
  }
}