:root {
  --contact-main-max: 1400px;
  --contact-side-pad: clamp(20px, 4vw, 60px);
  --contact-main-pad: clamp(40px, 6vh, 80px);
  --contact-gap: clamp(40px, 6vw, 80px);
  
  --contact-hero-title-size: clamp(32px, 5vw, 56px);
  --contact-section-title-size: clamp(22px, 2.8vw, 28px);
  --contact-text-size: clamp(16px, 1.2vw, 18px);
  --contact-text-lh: 1.75;
  
  --contact-font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", "Liberation Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
}

/* ===== Hero Section ===== */
.contact-hero {
  position: relative;
  z-index: 30;
  min-height: clamp(400px, 50vh, 600px);
  display: flex;
  align-items: center;
  overflow: hidden;
}

.contact-hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('https://images.unsplash.com/photo-1544551763-46a013bb70d5?w=1920&h=1080&fit=crop');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 1;
}

.contact-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  z-index: 2;
}

.contact-hero .container-xxl {
  position: relative;
  z-index: 3;
  max-width: var(--contact-main-max);
  padding-inline: var(--contact-side-pad);
}

.contact-hero-content {
  max-width: 800px;
  padding: clamp(40px, 8vh, 80px) 0;
}

.contact-hero-title {
  margin: 0 0 clamp(20px, 3vh, 28px);
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 700;
  line-height: 1.1;
  color: #fff;
  font-family: var(--contact-font);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.contact-hero-accent {
  width: clamp(60px, 8vw, 100px);
  height: 4px;
  background: var(--brand-orange);
  margin: 0 0 clamp(24px, 4vh, 32px);
}

.contact-hero-tagline {
  margin: 0;
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 400;
  line-height: 1.5;
  color: #fff;
  font-family: var(--contact-font);
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
  max-width: 700px;
}

/* ===== Breadcrumb ===== */
.contact-breadcrumb {
  position: relative;
  z-index: 30;
  background: #fff;
  padding: clamp(16px, 2.5vh, 24px) 0;
}

.contact-breadcrumb .container-xxl {
  max-width: var(--contact-main-max);
  padding-inline: var(--contact-side-pad);
}

.contact-breadcrumb .breadcrumb {
  margin: 0;
  background: transparent;
  padding: 0;
  font-size: clamp(14px, 1.1vw, 16px);
  font-family: var(--contact-font);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.contact-breadcrumb .breadcrumb-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.contact-breadcrumb .breadcrumb-item:first-child a {
  display: flex;
  align-items: center;
  color: var(--brand-navy);
  text-decoration: none;
  transition: color 0.2s ease;
}

.contact-breadcrumb .breadcrumb-item:first-child a:hover {
  color: var(--brand-orange);
}

.contact-breadcrumb .breadcrumb-item:first-child a svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.contact-breadcrumb .breadcrumb-item a {
  color: var(--brand-navy);
  text-decoration: none;
  transition: color 0.2s ease;
}

.contact-breadcrumb .breadcrumb-item a:hover {
  color: var(--brand-orange);
}

.contact-breadcrumb .breadcrumb-item.active {
  color: #6b7280;
}

.contact-breadcrumb .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  color: #9ca3af;
  padding: 0;
  margin: 0;
}

/* ===== Main Layout ===== */
.contact {
  position: relative;
  z-index: 30;
  background: #fff;
  padding: 0 0 var(--contact-main-pad);
}

.contact .container-xxl {
  max-width: var(--contact-main-max);
  padding-inline: var(--contact-side-pad);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--contact-gap);
  align-items: start;
  margin-top: clamp(40px, 6vh, 60px);
}

/* ===== Contact Sections ===== */
.contact-section {
  margin-bottom: clamp(40px, 6vh, 56px);
}

.contact-section:last-child {
  margin-bottom: 0;
}

.contact-section-title {
  margin: 0 0 clamp(20px, 3vh, 28px);
  font-size: var(--contact-section-title-size);
  font-weight: 700;
  line-height: 1.3;
  color: var(--brand-navy);
  font-family: var(--contact-font);
}

/* ===== Contact Info ===== */
.contact-info {
  margin-bottom: clamp(20px, 3vh, 28px);
}

.contact-info-item {
  margin-bottom: clamp(12px, 2vh, 16px);
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

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

.contact-info-label {
  font-weight: 600;
  color: #1f2937;
  font-size: var(--contact-text-size);
  font-family: var(--contact-font);
  min-width: 60px;
  flex-shrink: 0;
}

.contact-info-link {
  color: var(--brand-navy);
  text-decoration: underline;
  font-size: var(--contact-text-size);
  font-family: var(--contact-font);
  transition: color 0.2s ease;
}

.contact-info-link:hover {
  color: var(--brand-orange);
}

.contact-info-value {
  margin: 0;
  font-size: var(--contact-text-size);
  color: #1f2937;
  font-family: var(--contact-font);
}

/* ===== Contact Note ===== */
.contact-note {
  margin-top: clamp(20px, 3vh, 28px);
}

.contact-note p {
  margin: 0 0 clamp(16px, 2.5vh, 20px);
  font-size: var(--contact-text-size);
  line-height: var(--contact-text-lh);
  color: #1f2937;
  font-family: var(--contact-font);
}

.contact-note p:last-child {
  margin-bottom: 0;
}

/* ===== Contact Address ===== */
.contact-address {
  margin-bottom: clamp(20px, 3vh, 28px);
}

.contact-address-name {
  margin: 0 0 clamp(8px, 1.2vh, 12px);
  font-size: var(--contact-text-size);
  line-height: 1.6;
  color: #1f2937;
  font-weight: 500;
  font-family: var(--contact-font);
}

.contact-address-detail {
  margin: 0 0 clamp(4px, 0.8vh, 8px);
  font-size: var(--contact-text-size);
  line-height: 1.6;
  color: #1f2937;
  font-family: var(--contact-font);
}

.contact-address-detail:last-child {
  margin-bottom: 0;
}

/* ===== Contact Form (Đăng ký nhận tư vấn) ===== */
.contact-alert-success {
  padding: 12px 14px;
  border-radius: 8px;
  background: #ecfdf5;
  color: #15803d;
  font-size: 14px;
  margin-bottom: 16px;
  border: 1px solid #bbf7d0;
}

.contact-form {
  margin-top: 8px;
}

.contact-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 16px;
}

.contact-form-group {
  display: flex;
  flex-direction: column;
}

.contact-form-group-full {
  grid-column: 1 / -1;
}

.contact-form-group input,
.contact-form-group select,
.contact-form-group textarea {
  width: 100%;
  border-radius: 8px;
  border: 1px solid #e5e7eb;
  padding: 10px 14px;
  font-size: 14px;
  font-family: var(--contact-font);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  background-color: #fff;
}

.contact-form-group input:focus,
.contact-form-group select:focus,
.contact-form-group textarea:focus {
  outline: none;
  border-color: var(--brand-orange);
  box-shadow: 0 0 0 1px rgba(234, 154, 34, 0.3);
}

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

.contact-submit-btn {
  margin-top: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 8px;
  border: none;
  /* Button color as requested */
  background: #ea9a22;
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.1s ease, background 0.1s ease;
}

.contact-submit-btn::before {
  content: "👤";
  font-size: 16px;
}

.contact-submit-btn:hover {
  background: #f8b13f;
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.12);
}

.contact-submit-btn:active {
  transform: translateY(0);
  box-shadow: none;
}

@media (max-width: 575.98px) {
  .contact-form-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== Responsive ===== */
@media (max-width: 991.98px) {
  .contact-hero {
    min-height: clamp(350px, 45vh, 500px);
  }
  
  .contact-hero-content {
    padding: clamp(40px, 8vh, 60px) 0;
  }
  
  .contact-hero-title {
    font-size: clamp(32px, 5vw, 48px);
  }
  
  .contact-hero-tagline {
    font-size: clamp(16px, 2vw, 20px);
  }
  
  .contact-layout {
    grid-template-columns: 1fr;
    gap: clamp(32px, 5vh, 48px);
  }
  
  .contact-section {
    margin-bottom: clamp(32px, 5vh, 40px);
  }
}

@media (max-width: 575.98px) {
  .contact-hero {
    min-height: clamp(300px, 40vh, 400px);
  }
  
  .contact-hero-content {
    padding: clamp(30px, 6vh, 40px) 0;
  }
  
  .contact-hero-title {
    font-size: clamp(28px, 4vw, 36px);
    margin-bottom: clamp(16px, 2vh, 20px);
  }
  
  .contact-hero-accent {
    width: clamp(50px, 10vw, 80px);
    height: 3px;
    margin-bottom: clamp(20px, 3vh, 24px);
  }
  
  .contact-hero-tagline {
    font-size: clamp(15px, 1.8vw, 18px);
  }
  
  .contact-breadcrumb .breadcrumb {
    font-size: clamp(12px, 1vw, 14px);
  }
  
  .contact-section-title {
    font-size: clamp(20px, 3vw, 24px);
  }
  
  .contact-info-item {
    flex-direction: column;
    gap: 4px;
  }
  
  .contact-info-label {
    min-width: auto;
  }
}