p img {
  width: 100%;
}
.landing-wrapper {
  max-width: 1200px;
  width: 100%;
  margin: auto;
  margin-top: 40px;
  margin-bottom: 60px;
  font-family: Avant Garde;
}
.ladding-image{
    max-width: 1200px;
    width: 100%;
}
.landing-grid {
  display: flex;
  gap: 40px;
  max-width: 1200px;
  width: 100%;
  margin: auto;
}
.landing-left{
    width: 65%;
}
.landing-left .landing-title {
  font-size: 28px;
  font-weight: bold;
  margin-bottom: 20px;
}
.landing-title{
    font-size: 48px;
    color: rgba(20, 23, 120, 1);
    font-weight: 400;
}
.landing-content {
  line-height: 1.6;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  padding: 16px; /* card padding */
}

.landing-right {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 400px;
  min-width: auto;
  width: 100%;
}

.event-box {
  background: rgba(49, 10, 133, 1);
  padding: 20px;
  border-top-right-radius: 10px;
  border-bottom-right-radius: 10px;
  font-size: 14px;
  line-height: 1.5;
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.event-box i {
  color: #7b5cf3;
  margin-right: 8px;
}
/* SECTION FORM */



.form-box {
  background: #fff;
  padding: 16px;
  border-top-right-radius: 10px;
  border-bottom-right-radius: 10px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
  border-bottom: 2px solid rgba(255, 103, 64, 1);
}
.form-row{
    padding: 0;
}
/* Tiêu đề form */
.form-box h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  color: rgba(49, 10, 133, 1);
  text-align: left;
}

/* Input + Textarea + Select */
.form-box .form-control {
  width: 90%;
  border: 1px solid #E5E5E5;
  border-radius: 8px;
  padding: 10px 15px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
  font-family: 'Avant Garde';
}
select.form-control{
    width: 100% !important;
}
.form-box .form-control:focus {
  border-color: #6100DC;
}

.form-box textarea.form-control {
  min-height: 80px;
  resize: none;
}

.form-group {
  margin-bottom: 12px;
}

/* Nút bấm */
.form-box .btn {
  display: block;
  width: 50%;
  height: 44px;
  line-height: 44px;
  background: rgba(49, 10, 133, 1);
  color: #fff;
  font-size: 16px;
  font-weight: 400;
  border-radius: 24px;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s;
  text-align: center;
  font-family: Avant Garde;
}
.form-button-wrapper{
    justify-items: end;
}
.form-box .btn:hover {
  opacity: 0.9;
}
/* SECTION NỘI DUNG */



/* ===== Section Title ===== */
.agenda-section{
    max-width: 1200px;
    width: 100%;
    margin: 20px auto;
}
.section-title {
    font-size: 48px;
    font-weight: 400;
    color: #2c3e50;
    margin: 20px 0;
    text-align: left;
}

/* ===== Agenda Timeline ===== */
.agenda {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.agenda-row {
  display: flex;
  align-items: flex-start;
}

/* Bên trái */
.agenda-left {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-right: 18px;
}

.agenda-circle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #3a0ca3; /* tím */
  display: flex;
  align-items: center;
  justify-content: center;
}

.agenda-circle img {
  width: 18px;
  height: 18px;
  object-fit: contain;
  filter: brightness(0) invert(1); /* icon trắng */
}

.agenda-line {
  width: 3px;
  height: 15px;
  background: #3a0ca3; /* tím */
  margin-top: 4px;
 border-radius: 4px;
}

/* Bên phải */
.agenda-content {
  flex: 1;
}

.agenda-time {
  font-weight: 400;
  font-size: 1rem;
  color: #ff5733; /* cam */
}

.agenda-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #3a0ca3; /* tím */
  margin-top: 0.2rem;
}

.agenda-desc {
  font-size: 0.95rem;
  color: #555;
  margin-top: 0.3rem;
}


/* ===== Speakers ===== */
.speakers {
  display: flex;
  gap: 90px;
  margin: 2rem 0;
  justify-items: start;
}

.speaker {
  text-align: center;
}

.speaker-photo {
  width: 160px;
  height: 160px;
  clip-path: polygon(
    50% 0%,
    93% 25%,
    93% 75%,
    50% 100%,
    7% 75%,
    7% 25%
  );
  overflow: hidden;
  margin: 0 auto 1rem auto;
  background: #fff;
  border: 3px solid #ffffff;   /* viền tím đậm */
  box-shadow: 0 4px 10px rgba(0,0,0,0.15); /* bóng nhẹ */
}

.speaker-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Tên */
.speaker-name {
  font-weight: 700;
  color: #3a0ca3; /* tím */
  margin: 0.5rem 0 0.3rem;
  font-size: 1rem;
}

/* Chức danh */
.speaker-title {
  font-size: 0.9rem;
  color: #333;
  margin: 0.2rem 0;
}

/* Công ty */
.speaker-company {
  font-size: 0.85rem;
  color: #555;
}

@media (max-width: 1023px) {
  .landing-grid {
    flex-direction: column;
    gap: 30px;
  }
  .landing-left, .landing-right {
    width: 100%;
    max-width: none;
  }
  .landing-left .landing-title {
    font-size: 24px;
  }
  .landing-title, .section-title {
    font-size: 32px;
  }
  .speakers {
    flex-wrap: wrap;
    gap: 40px;
    justify-content: center;
  }
  .speaker-photo {
    width: 140px;
    height: 140px;
  }
}

/* Mobile lớn (481px - 767px) */
@media (max-width: 767px) {
  .landing-wrapper {
    margin-top: 20px;
    margin-bottom: 40px;
    padding: 0 16px;
    width: auto;
  }
  .section-subtitle{
    width: auto;
  }
  .landing-title, .section-title {
    font-size: 28px;
    text-align: center;
  }
  .landing-grid {
    gap: 20px;
  }
  .landing-content {
    padding: 12px;
    font-size: 14px;
  }
  .event-box, .form-box {
    padding: 14px;
  }
  .speakers {
    flex-wrap: wrap;
    gap: 24px;
    justify-content: center;
  }
  .speaker-photo {
    width: 120px;
    height: 120px;
  }
  .agenda-circle {
    width: 28px;
    height: 28px;
  }
  .agenda-time {
    font-size: 0.9rem;
  }
  .agenda-title {
    font-size: 1rem;
  }
  .agenda-desc {
    font-size: 0.85rem;
  }
  .tin-khac-grid {
    display: flex;
    gap: 20px;
  }
}

/* Mobile nhỏ (≤480px) */
@media (max-width: 480px) {
  .landing-title, .section-title {
    font-size: 22px;
    line-height: 1.3;
  }
  .landing-left .landing-title {
    font-size: 20px;
  }
  .landing-content {
    font-size: 13px;
    padding: 10px;
  }
  .form-box .btn {
    width: 100%;
    font-size: 14px;
    height: 40px;
    line-height: 40px;
  }
  .speaker-photo {
    width: 100px;
    height: 100px;
  }
  .speaker-name {
    font-size: 0.9rem;
  }
  .speaker-title, .speaker-company {
    font-size: 0.8rem;
  }
  .agenda-time {
    font-size: 0.85rem;
  }
  .agenda-title {
    font-size: 0.95rem;
  }
  .agenda-desc {
    font-size: 0.8rem;
  }
}