/* =====================[BRIEFING PAGE STYLES]===================== */
:root {
  /* --primary: #0a0a0a;
  --primary-dark: #0a1e36;
  --primary-light: #1e3a5f;
  --accent: #c7a254;
  --accent-light: #d9b771;
  --accent-dark: #b38b3f;
  --text: #1e293b;
  --text-light: #475569;
  --text-lighter: #64748b;
  --background: #ffffff;
  --background-alt: #f8fafc;
  --background-dark: #0f172a;
  --border: #e9eef2;
  --border-dark: #cbd5e1;
  --success: #2e7d32;
  --error: #b91c1c; */
  --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.02);
  --shadow: 0 10px 25px rgba(0, 0, 0, 0.03);
  --shadow-md: 0 20px 35px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 30px 50px rgba(15, 43, 75, 0.08);
  --transition: all 0.3s ease;
  --border-radius: 1rem;
  --border-radius-lg: 2rem;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
/* 
body {
  font-family:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    sans-serif;
  line-height: 1.6;
  color: var(--text);
  background: var(--background);
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
} */

/* =====================[BRIEFING HERO]===================== */
.briefing-hero {
  background: linear-gradient(
    145deg,
    var(--primary-dark) 0%,
    var(--primary) 100%
  );
  padding: 8rem 0 6rem;
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.briefing-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(
      circle at 20% 30%,
      rgba(199, 162, 84, 0.12) 0%,
      transparent 40%
    ),
    radial-gradient(
      circle at 80% 70%,
      rgba(199, 162, 84, 0.12) 0%,
      transparent 40%
    );
  z-index: -1;
  animation: ambientPulse 10s ease-in-out infinite;
}

.briefing-hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.5;
}

@keyframes ambientPulse {
  0%,
  100% {
    opacity: 0.5;
  }
  50% {
    opacity: 0.8;
  }
}

.briefing-hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  padding: 0.5rem 1.5rem;
  background: rgba(199, 162, 84, 0.15);
  border: 1px solid rgba(199, 162, 84, 0.3);
  border-radius: 100px;
  color: var(--accent-light);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(4px);
}

.briefing-hero-content h1 {
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 600;
  color: white;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
  line-height: 1.1;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.briefing-hero-content p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 600px;
  margin: 0 auto;
  font-weight: 300;
}

/* =====================[SECTION HEADERS]===================== */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem;
}

.section-badge {
  display: inline-block;
  padding: 0.5rem 1.5rem;
  background: rgba(199, 162, 84, 0.1);
  border-radius: 100px;
  color: var(--accent-dark);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 500;
  color: var(--primary-dark);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-header p {
  color: var(--text-light);
  font-size: 1.125rem;
}

/* =====================[OVERVIEW SECTION]===================== */
.overview-section {
  padding: 6rem 0;
  background: white;
}

.overview-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 4rem;
  align-items: center;
}

.overview-content h2 {
  font-size: 2.5rem;
  font-weight: 500;
  color: var(--primary-dark);
  margin: 1rem 0 1rem;
  letter-spacing: -0.02em;
}

.lead-text {
  font-size: 1.25rem;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.key-points {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.key-point {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.key-point i {
  color: var(--accent);
  font-size: 1.25rem;
  margin-top: 0.2rem;
}

.key-point h4 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.key-point p {
  color: var(--text-light);
  font-size: 0.95rem;
}

.stats-mini-card {
  background: linear-gradient(
    145deg,
    var(--primary) 0%,
    var(--primary-dark) 100%
  );
  padding: 3rem;
  border-radius: var(--border-radius-lg);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  box-shadow: var(--shadow-lg);
}

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

.mini-number {
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.mini-label {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
}

/* =====================[ATTEND SECTION]===================== */
.attend-section {
  padding: 6rem 0;
  background: var(--background-alt);
}

.attend-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.attend-card {
  background: white;
  padding: 2.5rem 2rem;
  border-radius: var(--border-radius);
  text-align: center;
  transition: var(--transition);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.6s ease forwards;
}

.attend-card:nth-child(1) {
  animation-delay: 0.1s;
}
.attend-card:nth-child(2) {
  animation-delay: 0.2s;
}
.attend-card:nth-child(3) {
  animation-delay: 0.3s;
}
.attend-card:nth-child(4) {
  animation-delay: 0.4s;
}

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

.attend-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-light);
}

.attend-icon {
  width: 4rem;
  height: 4rem;
  background: linear-gradient(
    135deg,
    rgba(199, 162, 84, 0.1),
    rgba(15, 43, 75, 0.05)
  );
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: var(--accent);
  font-size: 1.5rem;
  transition: var(--transition);
}

.attend-card:hover .attend-icon {
  background: var(--accent);
  color: white;
  transform: rotate(360deg);
}

.attend-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 1rem;
}

.attend-card p {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* =====================[FORMAT SECTION]===================== */
.format-section {
  padding: 6rem 0;
  background: white;
}

.format-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.format-timeline {
  background: var(--background-alt);
  padding: 3rem;
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border);
}

.timeline-item {
  display: flex;
  gap: 2rem;
  margin-bottom: 2rem;
  position: relative;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-item:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 3rem;
  top: 3rem;
  bottom: -2rem;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}

.timeline-time {
  min-width: 5rem;
  font-weight: 700;
  color: var(--accent);
  font-size: 1.1rem;
}

.timeline-content h4 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.timeline-content p {
  color: var(--text-light);
  font-size: 0.95rem;
}

.format-content h2 {
  font-size: 2.5rem;
  font-weight: 500;
  color: var(--primary-dark);
  margin: 1rem 0 1rem;
  letter-spacing: -0.02em;
}

.format-features {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}

.format-feature {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.format-feature i {
  width: 2.5rem;
  height: 2.5rem;
  background: rgba(199, 162, 84, 0.1);
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.1rem;
}

.format-feature h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.15rem;
}

.format-feature p {
  color: var(--text-light);
  font-size: 0.9rem;
}

/* =====================[TOPICS SECTION]===================== */
.topics-section {
  padding: 6rem 0;
  background: var(--background-alt);
}

.topics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.topic-card {
  background: white;
  padding: 2.5rem 2rem;
  border-radius: var(--border-radius);
  text-align: center;
  transition: var(--transition);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.6s ease forwards;
}

.topic-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
  border-color: var(--accent-light);
}

.topic-card i {
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.topic-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.topic-card p {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* =====================[CASE STUDIES SECTION]===================== */
.case-studies-section {
  padding: 6rem 0;
  background: white;
}

.case-studies-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 3rem;
}

.view-all {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
}

.view-all:hover {
  color: var(--accent);
  gap: 0.75rem;
}

.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.case-card {
  background: var(--background-alt);
  padding: 2rem;
  border-radius: var(--border-radius);
  transition: var(--transition);
  border: 1px solid var(--border);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.6s ease forwards;
}

.case-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
  border-color: var(--accent-light);
}

.case-flag {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--accent);
}

.case-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.case-card p {
  color: var(--text-light);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.case-meta {
  display: flex;
  gap: 1rem;
  color: var(--text-lighter);
  font-size: 0.85rem;
}

.case-meta i {
  margin-right: 0.35rem;
}

/* =====================[FORM SECTION]===================== */
.form-section {
  padding: 6rem 0;
  background: linear-gradient(
    145deg,
    var(--primary-dark) 0%,
    var(--primary) 100%
  );
  position: relative;
  isolation: isolate;
}

.form-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(
      circle at 30% 40%,
      rgba(199, 162, 84, 0.1) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 70% 60%,
      rgba(199, 162, 84, 0.1) 0%,
      transparent 50%
    );
  z-index: -1;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
  align-items: start;
}

.form-content {
  color: white;
}

.form-content h2 {
  font-size: 2.5rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.form-content p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.125rem;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.form-guarantees {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.guarantee {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.95rem;
}

.guarantee i {
  color: var(--accent);
}

.form-wrapper {
  background: white;
  border-radius: var(--border-radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
}

.briefing-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
}

.form-group label span {
  color: var(--accent-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.875rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  font-size: 0.95rem;
  font-family: inherit;
  transition: var(--transition);
  background: var(--background-alt);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(199, 162, 84, 0.1);
}

.radio-group {
  display: flex;
  gap: 1.5rem;
  padding: 0.5rem 0;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.95rem;
  color: var(--text-light);
}

.radio-label input[type="radio"] {
  width: auto;
  margin-right: 0.25rem;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.form-checkbox input[type="checkbox"] {
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.2rem;
  accent-color: var(--accent);
}

.form-checkbox label {
  font-size: 0.9rem;
  color: var(--text-light);
}

.form-checkbox a {
  color: var(--accent-dark);
  text-decoration: none;
}

.btn-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  background: var(--accent);
  color: var(--primary-dark);
  border: none;
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  margin-top: 1rem;
}

.btn-submit:hover {
  background: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* =====================[TESTIMONIALS SECTION]===================== */
.testimonials-section {
  padding: 6rem 0;
  background: var(--background-alt);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto;
}

.testimonial-card {
  background: white;
  padding: 2.5rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  position: relative;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.6s ease forwards;
}

.testimonial-card i {
  font-size: 2rem;
  color: var(--accent);
  opacity: 0.2;
  margin-bottom: 1rem;
}

.testimonial-card p {
  color: var(--text);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-image {
  width: 3rem;
  height: 3rem;
  background: var(--primary);
  border-radius: 50%;
  opacity: 0.2;
}

.author-info {
  display: flex;
  flex-direction: column;
}

.author-info strong {
  color: var(--text);
  font-size: 0.95rem;
}

.author-info span {
  color: var(--text-light);
  font-size: 0.85rem;
}

/* =====================[PREPARE SECTION]===================== */
.prepare-section {
  padding: 4rem 0 6rem;
  background: white;
}

.prepare-box {
  background: var(--background-alt);
  border-radius: var(--border-radius-lg);
  padding: 3rem;
  max-width: 900px;
  margin: 0 auto;
  border-left: 4px solid var(--accent);
}

.prepare-box h2 {
  font-size: 2rem;
  font-weight: 500;
  color: var(--primary-dark);
  margin-bottom: 1rem;
}

.prepare-box p {
  color: var(--text-light);
  margin-bottom: 2rem;
}

.prepare-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.prepare-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: white;
  border-radius: var(--border-radius);
  border: 1px solid var(--border);
}

.prepare-number {
  width: 2rem;
  height: 2rem;
  background: var(--accent);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.9rem;
  flex-shrink: 0;
}

/* =====================[NOTIFICATIONS]===================== */
.notification {
  position: fixed;
  top: 2rem;
  right: 2rem;
  padding: 1rem 1.75rem;
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 1rem;
  z-index: 9999;
  transform: translateX(400px);
  transition: transform 0.4s ease;
  border-left: 4px solid var(--accent);
  min-width: 350px;
}

.notification.show {
  transform: translateX(0);
}

.notification-success {
  border-left-color: var(--success);
}

.notification-success i {
  color: var(--success);
}

.notification-error {
  border-left-color: var(--error);
}

.notification-error i {
  color: var(--error);
}

.notification i {
  font-size: 1.5rem;
}

.notification span {
  color: var(--text);
  font-size: 0.95rem;
}

/* =====================[RESPONSIVE DESIGN]===================== */
@media (max-width: 1024px) {
  .overview-grid,
  .format-grid,
  .form-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

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

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

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

@media (max-width: 768px) {
  .container {
    padding: 0 1.5rem;
  }

  .briefing-hero {
    padding: 6rem 0 4rem;
  }

  .briefing-hero-content h1 {
    font-size: 2.5rem;
  }

  .overview-section,
  .attend-section,
  .format-section,
  .topics-section,
  .case-studies-section,
  .form-section,
  .testimonials-section {
    padding: 4rem 0;
  }

  .attend-grid,
  .topics-grid,
  .case-studies-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .radio-group {
    flex-direction: column;
    gap: 0.75rem;
  }

  .prepare-box {
    padding: 2rem;
  }

  .prepare-item {
    flex-direction: column;
    text-align: center;
  }

  .stats-mini-card {
    padding: 2rem;
  }

  .mini-number {
    font-size: 2rem;
  }

  .notification {
    top: 1rem;
    right: 1rem;
    left: 1rem;
    min-width: auto;
  }
}

@media (max-width: 480px) {
  .briefing-hero-content h1 {
    font-size: 2rem;
  }

  .hero-badge {
    font-size: 0.75rem;
  }

  .section-header h2 {
    font-size: 2rem;
  }

  .timeline-item {
    flex-direction: column;
    gap: 0.5rem;
  }

  .timeline-item:not(:last-child)::after {
    display: none;
  }

  .case-studies-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .form-wrapper {
    padding: 1.5rem;
  }

  .prepare-item {
    padding: 1rem;
  }
}

/* Animation classes */
.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Focus visible for accessibility */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}