/* ====================================================
   CONTACT HERO SECTION
   ==================================================== */
.contact-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-light);
  min-height: 420px;
}

.contact-hero__left {
  position: relative;
  /* Đưa padding-top về hẳn 0 để bám sát mép trên cùng của khung */
  padding: 0 max(40px, 5vw) 40px max(120px, 10vw);
  display: flex;
  flex-direction: column;
  justify-content: flex-start; 
}

/* Cột Issue */
.hero-sidebar {
  position: absolute;
  top: 0;
  left: max(30px, 4vw);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.sidebar-line {
  width: 1px;
  height: 15vh;
  background-color: #111;
  margin-bottom: 24px;
}
.m-label { font-family: var(--font-condensed); font-size: 13px; font-weight: 600; letter-spacing: 2px; writing-mode: vertical-rl; transform: rotate(180deg); margin-bottom: 24px; }
.m-num { font-family: var(--font-condensed); font-size: 20px; font-weight: 700; color: var(--accent-orange); margin-bottom: 4px; }
.m-sep { font-size: 14px; opacity: 0.5; margin-bottom: 4px; }
.m-year { font-family: var(--font-condensed); font-size: 14px; font-weight: 700; }

.hero-title {
  font-family: var(--font-condensed);
  font-size: clamp(60px, 8vw, 130px);
  font-weight: 700;
  line-height: 0.85;
  text-transform: uppercase;
  color: #111;
  /* Ép kịch trần: Khử margin mặc định và kéo âm lên 1 chút để bù trừ khoảng trắng ảo của font chữ */
  margin-top: 42px; 
  margin-bottom: 24px;
  letter-spacing: -2px;
}

.hero-desc {
  font-size: 16px;
  line-height: 1.6;
  color: #333;
  font-weight: 500;
  margin-bottom: 16px;
}

.hero-curved-line {
  width: 250px;
  height: auto;
}

.contact-hero__right {
  width: 100%;
  height: 100%;
}
.contact-hero__right img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
}

/* ====================================================
   MAIN CONTACT SECTION (INFO & FORM)
   ==================================================== */
.contact-main {
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-light);
}

.contact-container {
  display: grid;
  grid-template-columns: 40% 60%;
  max-width: 1400px;
  margin: 0 auto;
}

.section-heading {
  font-family: var(--font-condensed);
  font-size: 24px;
  font-weight: 700;
  text-transform: uppercase;
  color: #111;
  margin-bottom: 40px;
  letter-spacing: -0.5px;
}

/* Cột Trái (Thông tin) */
.contact-info {
  padding: 80px max(40px, 4vw);
  border-right: 1px solid var(--border-light);
}

.info-block {
  display: flex;
  gap: 20px;
  padding-bottom: 24px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-light);
}
.info-block.no-border {
  border-bottom: none;
}

.info-icon {
  font-size: 24px;
  color: #111;
  line-height: 1;
}

.info-text {
  display: flex;
  flex-direction: column;
}
.i-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  color: #111;
  margin-bottom: 4px;
}
.i-val {
  font-size: 14px;
  color: #333;
}
.i-desc {
  font-size: 13px;
  line-height: 1.5;
  color: #555;
  margin-top: 4px;
}

/* Cột Phải (Form) */
.contact-form-wrapper {
  padding: 80px max(40px, 6vw);
}

.form-group {
  display: flex;
  flex-direction: row;
  align-items: center;
  border-bottom: 1px solid #ccc;
  padding-bottom: 10px;
  margin-bottom: 30px;
}
.form-group label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  color: #111;
  width: 180px;
  flex-shrink: 0;
  text-transform: uppercase;
}
.form-group input, .form-group textarea {
  flex-grow: 1;
  background: transparent;
  border: none;
  outline: none;
  font-size: 15px;
  font-family: inherit;
  color: #111;
  padding: 5px 10px;
}
.form-group textarea {
  resize: vertical;
}

.btn-submit {
  background-color: #111;
  color: #fff;
  font-family: var(--font-condensed);
  font-size: 16px;
  font-weight: 600;
  border: none;
  padding: 16px 32px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: background 0.2s;
  margin-bottom: 24px;
}
.btn-submit:hover {
  background-color: var(--accent-orange);
}

.form-note {
  font-size: 12px;
  line-height: 1.5;
  color: #666;
}

/* ====================================================
   FAQ SECTION
   ==================================================== */
.faq-section {
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-light);
}

.faq-container {
  display: grid;
  grid-template-columns: 300px 1fr;
  max-width: 1400px;
  margin: 0 auto;
}

.faq-title-col {
  padding: 60px max(30px, 3vw);
  border-right: 1px solid var(--border-light);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 60px 0;
}

.faq-item {
  display: flex;
  gap: 16px;
  padding: 0 max(30px, 3vw);
  border-right: 1px solid var(--border-light);
}
.faq-item:last-child {
  border-right: none;
}

.f-num {
  font-family: var(--font-condensed);
  font-size: 28px;
  font-weight: 700;
  color: var(--accent-orange);
  line-height: 1;
}

.f-content h4 {
  font-size: 13px;
  font-weight: 700;
  color: #111;
  margin-bottom: 8px;
  line-height: 1.4;
}
.f-content p {
  font-size: 13px;
  line-height: 1.6;
  color: #555;
}

/* ====================================================
   RESPONSIVE (MOBILE & TABLET)
   ==================================================== */
@media (max-width: 1024px) {
  .contact-hero, .contact-container, .faq-container {
    grid-template-columns: 1fr;
  }
  
  .contact-hero__left {
    padding: 0px 20px;
  }
  .hero-sidebar { display: none; }
  .contact-hero__right { height: 400px; }

  .contact-info {
    border-right: none;
    border-bottom: 1px solid var(--border-light);
    padding: 40px 20px;
  }
  .contact-form-wrapper {
    padding: 40px 20px;
  }
  .form-group {
    flex-direction: column;
    align-items: flex-start;
  }
  .form-group label { margin-bottom: 10px; width: 100%; }

  .faq-title-col {
    border-right: none;
    border-bottom: 1px solid var(--border-light);
    padding: 40px 20px 20px;
  }
  
  .faq-grid {
    grid-template-columns: 1fr;
    padding: 20px 0 40px;
  }
  .faq-item {
    border-right: none;
    border-bottom: 1px solid var(--border-light);
    padding: 20px;
  }
  .faq-item:last-child { border-bottom: none; }
}