/* ==========================================================================
   TRAN BA HO - PERSONAL LANDING PAGE DESIGN SYSTEM
   Theme: Minimal + Premium + Modern
   Color Palette: Cam (#f58220) & Xanh dương (#1877f2)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&family=Play:wght@400;700&display=swap');

:root {
  /* Brand Colors */
  --primary: #f58220;
  --primary-dark: #db6c10;
  --primary-light: #fff7ed;
  --primary-glow: rgba(245, 130, 32, 0.12);
  --secondary: #1877f2;
  --secondary-dark: #145dbf;
  --secondary-light: #eff6ff;

  /* Neutral Shades */
  --text: #1f2937;
  --text-muted: #4b5563;
  --text-light: #6b7280;
  --text-inverse: #ffffff;

  --bg-main: #ffffff;
  --bg-soft: #f8f9fb;
  --bg-card: #ffffff;
  --bg-dark: #111827;

  --border: #e5e7eb;
  --border-focus: #f58220;

  /* Status Colors */
  --success: #10b981;
  --danger: #ef4444;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-heading: 'Play', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Elevation & Shadows (Subtle, refined) */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.06), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-card: 0 4px 20px -2px rgba(31, 41, 55, 0.05);
  --shadow-card-hover: 0 12px 28px -4px rgba(31, 41, 55, 0.09);

  /* Layout & Spacing */
  --container-max: 1200px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --header-height: 72px;
  --transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--bg-main);
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 16px);
  -webkit-text-size-adjust: 100%;
}

/* Heading Typography */
h1,
h2,
.hero-headline,
.section-title,
.quote-title,
.shop-tagline,
.business-title,
.mid-cta-title,
.contact-info-title {
  font-family: var(--font-heading);
  letter-spacing: -0.01em;
}

body {
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

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

button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

ul,
ol {
  list-style: none;
}

/* Accessibility: Focus visible */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}

/* Layout Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* Section Shared Styles */
.section {
  padding-top: 96px;
  padding-bottom: 96px;
  position: relative;
}

.section-soft {
  background-color: var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-header {
  margin-bottom: 48px;
}

.section-header.text-center {
  text-align: center;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  background-color: var(--primary-light);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
  border: 1px solid rgba(245, 130, 32, 0.2);
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-light);
  line-height: 1.6;
  font-weight: 400;
}

/* ==========================================================================
   BUTTONS & CTAs
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 0.9375rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  transition: var(--transition);
  text-align: center;
  min-height: 48px;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
  border: 1px solid var(--primary);
  box-shadow: 0 2px 8px rgba(245, 130, 32, 0.25);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(245, 130, 32, 0.35);
}

.btn-secondary {
  background-color: var(--secondary);
  color: #ffffff;
  border: 1px solid var(--secondary);
}

.btn-secondary:hover {
  background-color: var(--secondary-dark);
  border-color: var(--secondary-dark);
  transform: translateY(-1px);
}

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

.btn-outline:hover {
  background-color: var(--bg-soft);
  border-color: var(--text);
  color: var(--text);
}

.btn-outline-primary {
  background-color: #ffffff;
  color: var(--primary);
  border: 1.5px solid var(--primary);
}

.btn-outline-primary:hover {
  background-color: var(--primary-light);
  color: var(--primary-dark);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.8125rem;
  min-height: 38px;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 14px 32px;
  font-size: 1.0625rem;
  min-height: 52px;
  border-radius: var(--radius-md);
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
  background-color: #ffffff;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo-img {
  height: 42px;
  width: auto;
  object-fit: contain;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-muted);
  position: relative;
  padding: 6px 2px;
}

.nav-link:hover {
  color: var(--primary);
}

.nav-link.active {
  color: var(--primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary);
  border-radius: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 32px;
  height: 22px;
  padding: 0;
  z-index: 1010;
}

.menu-toggle span {
  display: block;
  height: 2.5px;
  width: 100%;
  background-color: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

.menu-toggle.open span:nth-child(1) {
  transform: translateY(10px) rotate(45deg);
}

.menu-toggle.open span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.open span:nth-child(3) {
  transform: translateY(-10px) rotate(-45deg);
}

/* ==========================================================================
   HERO BANNER (SLIDER CAROUSEL)
   ========================================================================== */
.hero-section {
  padding-top: 36px;
  padding-bottom: 56px;
  background-color: var(--bg-main);
  position: relative;
  overflow: hidden;
}

.hero-slider-wrapper {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.hero-carousel-track {
  display: flex;
  width: 100%;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-slide-item {
  width: 100%;
  flex-shrink: 0;
  box-sizing: border-box;
  padding: 16px 0 32px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

.hero-content {
  padding-left: 50px;
}

.hero-meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-muted);
  background-color: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
}

.hero-meta-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--primary);
  display: inline-block;
}

.hero-headline {
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 20px;
}

.hero-headline .text-highlight {
  color: var(--primary);
  position: relative;
  display: inline-block;
}

.hero-subheadline {
  font-size: 1.1875rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin-bottom: 32px;
  max-width: 580px;
}

.hero-ctas {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 36px;
}

.hero-roles {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.role-tag {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-light);
  background-color: var(--bg-soft);
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.hero-visual {
  position: relative;
}

.hero-visual-card {
  background-color: #ffffff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.hero-visual-card:hover {
  transform: translateY(-4px);
}

.hero-visual-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* Video Card in Hero */
.hero-video-card {
  position: relative;
  aspect-ratio: 16 / 9;
  background-color: #111827;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  cursor: pointer;
  transition: var(--transition);
}

.hero-video-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: var(--shadow-card-hover);
}

.hero-video-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.hero-video-card:hover .hero-video-thumb {
  transform: scale(1.04);
}

.hero-video-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: var(--primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 24px rgba(245, 130, 32, 0.6);
  transition: var(--transition);
}

.hero-video-card:hover .hero-video-play {
  transform: translate(-50%, -50%) scale(1.15);
  background-color: var(--primary-dark);
}

.hero-video-duration {
  position: absolute;
  bottom: 12px;
  right: 12px;
  background-color: rgba(17, 24, 39, 0.85);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
}

/* Hero Side Navigation Arrows (Đặt tại giới hạn layout nội dung trái/phải, đè lên nội dung) */
.hero-nav-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 25;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border: 1.5px solid var(--border);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.14);
  transition: var(--transition);
}

.hero-prev-arrow {
  left: max(16px, calc((100% - var(--container-max)) / 2 + 12px));
}

.hero-next-arrow {
  right: max(16px, calc((100% - var(--container-max)) / 2 + 12px));
}

.hero-nav-arrow:hover {
  background-color: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 6px 20px rgba(245, 130, 32, 0.45);
}

/* Hero Dots */
.hero-dots-container {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 20;
}

.hero-dot-btn {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--border);
  border: none;
  padding: 0;
  transition: var(--transition);
  cursor: pointer;
}

.hero-dot-btn:hover {
  background-color: var(--text-light);
}

.hero-dot-btn.active {
  background-color: var(--primary);
  width: 28px;
  border-radius: var(--radius-full);
}

/* ==========================================================================
   SHORT INTRO SECTION
   ========================================================================== */
.intro-section {
  background-color: var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.intro-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 48px;
  align-items: center;
}

.intro-avatar-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.intro-content .quote-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 20px;
}

.intro-content .quote-title .accent-orange {
  color: var(--primary);
}

.intro-bio {
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 28px;
}

.intro-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.pillar-item {
  background-color: #ffffff;
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.pillar-num {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 4px;
}

.pillar-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.pillar-desc {
  font-size: 0.8125rem;
  color: var(--text-light);
  line-height: 1.4;
}

/* ==========================================================================
   COURSES / KHAI GIẢNG (HORIZONTAL SCROLL LIST)
   ========================================================================== */
.courses-section {
  background-color: var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.courses-header-wrapper {
  position: relative;
  margin-bottom: 8px;
}

.courses-nav-controls {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  gap: 10px;
  z-index: 5;
}

.courses-scroll-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background-color: #ffffff;
  border: 1.5px solid var(--border);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.courses-scroll-btn:hover {
  background-color: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  transform: scale(1.06);
  box-shadow: 0 4px 14px rgba(245, 130, 32, 0.35);
}

.courses-scroll-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.courses-scroll-container {
  width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 12px 4px 24px;
}

.courses-scroll-container::-webkit-scrollbar {
  display: none;
}

.courses-track {
  display: flex;
  gap: 24px;
  width: max-content;
}

.course-card {
  flex: 0 0 350px;
  width: 350px;
  scroll-snap-align: start;
  background-color: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.course-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}

.course-thumb-box {
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: var(--bg-soft);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.course-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.course-card:hover .course-thumb-img {
  transform: scale(1.04);
}

.course-badge-pill {
  position: absolute;
  top: 12px;
  left: 12px;
  font-size: 0.75rem;
  font-weight: 700;
  color: #ffffff;
  background-color: var(--primary);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  letter-spacing: 0.02em;
}

.course-format-pill {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 0.6875rem;
  font-weight: 700;
  color: #1e40af;
  background-color: rgba(239, 246, 255, 0.92);
  backdrop-filter: blur(4px);
  border: 1px solid #bfdbfe;
  padding: 3px 8px;
  border-radius: 4px;
}

.course-body {
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.course-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 10px;
  font-family: var(--font-heading);
}

.course-desc {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.55;
  margin-bottom: 18px;
  flex-grow: 1;
}

.course-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 22px;
}

.course-skill-tag {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  background-color: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.course-cta-btn {
  width: 100%;
  text-align: center;
  margin-top: auto;
}

.courses-footer-note {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-light);
  margin-top: 8px;
  letter-spacing: 0.01em;
}

.courses-footer-note span {
  color: var(--text-muted);
}

/* ==========================================================================
   GRAPHIC DESIGN & WEB SERVICES (CARD GRID)
   ========================================================================== */
.service-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background-color: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 0;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.service-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}

.service-thumb-box {
  width: 100%;
  height: 155px;
  background-color: var(--bg-soft);
  overflow: hidden;
  position: relative;
  border-bottom: 1px solid var(--border);
}

.service-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.service-card:hover .service-thumb-img {
  transform: scale(1.05);
}

.service-card-body {
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.service-num {
  font-size: 2rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 16px;
  letter-spacing: -0.04em;
}

.service-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 12px;
}

.service-desc {
  font-size: 0.9375rem;
  color: var(--text-light);
  margin-bottom: 20px;
  line-height: 1.5;
}

.service-list {
  margin-bottom: 24px;
  flex-grow: 1;
}

.service-list li {
  font-size: 0.875rem;
  color: var(--text-muted);
  padding: 6px 0;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px dashed var(--border);
}

.service-list li::before {
  content: "—";
  color: var(--primary);
  font-weight: 700;
}

.service-list li:last-child {
  border-bottom: none;
}

.web-services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.web-service-card {
  background-color: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 0;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.web-service-card:hover {
  background-color: #ffffff;
  border-color: var(--primary);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}

.web-service-thumb-box {
  width: 100%;
  height: 140px;
  background-color: var(--bg-soft);
  overflow: hidden;
  position: relative;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
}

.web-service-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.web-service-card:hover .web-service-thumb-img {
  transform: scale(1.08);
}

.web-service-card-body {
  padding: 24px 20px 28px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.web-service-card .web-num {
  font-size: 0.8125rem;
  font-weight: 800;
  color: var(--secondary);
  margin-bottom: 8px;
}

.web-service-card h3 {
  font-size: 1.1875rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 10px;
}

.web-service-card p {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.5;
}

/* ==========================================================================
   PORTFOLIO GALLERY & FILTER TABS
   ========================================================================== */
.filter-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
}

.filter-btn {
  padding: 8px 20px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  background-color: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  transition: var(--transition);
}

.filter-btn:hover {
  border-color: var(--text);
  color: var(--text);
}

.filter-btn.active {
  background-color: var(--text);
  color: #ffffff;
  border-color: var(--text);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.portfolio-card {
  background-color: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  cursor: pointer;
}

.portfolio-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: var(--shadow-card-hover);
}

.portfolio-thumb-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background-color: var(--bg-soft);
  border-bottom: 1px solid var(--border);
}

.portfolio-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.portfolio-card:hover .portfolio-thumb {
  transform: scale(1.03);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: rgba(31, 41, 55, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.portfolio-card:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-overlay-btn {
  background-color: #ffffff;
  color: var(--text);
  font-size: 0.8125rem;
  font-weight: 700;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
}

.portfolio-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.portfolio-category-badge {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.portfolio-title {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 8px;
}

.portfolio-desc {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.5;
}

/* ==========================================================================
   WEB SITES SHOWCASE (BROWSER MOCKUP CARDS)
   ========================================================================== */
.web-projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.web-card {
  background-color: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.web-card:hover {
  transform: translateY(-4px);
  border-color: var(--secondary);
  box-shadow: var(--shadow-card-hover);
}

.browser-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background-color: var(--bg-soft);
  border-bottom: 1px solid var(--border);
}

.browser-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #d1d5db;
}

.browser-dot.red {
  background-color: #ef4444;
}

.browser-dot.yellow {
  background-color: #f59e0b;
}

.browser-dot.green {
  background-color: #10b981;
}

.browser-url-pill {
  margin-left: 8px;
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--text-light);
  background-color: #ffffff;
  padding: 2px 10px;
  border-radius: 4px;
  border: 1px solid var(--border);
  flex-grow: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.web-thumb-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: var(--bg-soft);
  border-bottom: 1px solid var(--border);
}

.web-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.web-card-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.web-card-type {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--secondary);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.web-card-title {
  font-size: 1.1875rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 8px;
}

.web-card-tech {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--border);
}

.web-card-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 20px;
  flex-grow: 1;
}

.web-card-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ==========================================================================
   SPOTLIGHT SECTION: SHOP CÓ WEB
   ========================================================================== */
.shop-co-web-section {
  background-color: #ffffff;
  position: relative;
}

.shop-co-web-card {
  background-color: #ffffff;
  border: 2px solid var(--primary);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  box-shadow: 0 10px 30px rgba(245, 130, 32, 0.08);
}

.shop-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.shop-tagline {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 16px;
  line-height: 1.3;
}

.shop-desc {
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 24px;
}

.shop-benefits-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 32px;
}

.shop-benefit-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
}

.shop-benefit-item .icon-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background-color: var(--primary-light);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 800;
  flex-shrink: 0;
  margin-top: 2px;
}

.shop-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.shop-visual-wrapper {
  width: 100%;
  max-width: 500px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.shop-visual-wrapper:hover {
  transform: translateY(-4px);
}

.shop-visual-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* ==========================================================================
   WORKFLOW PROCESS (4 STEPS)
   ========================================================================== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.process-step-card {
  background-color: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  position: relative;
  transition: var(--transition);
}

.process-step-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.step-badge {
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--primary);
  margin-bottom: 14px;
  letter-spacing: -0.04em;
  display: block;
}

.step-title {
  font-size: 1.1875rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 10px;
}

.step-desc {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.5;
}

/* ==========================================================================
   BUSINESS WITH ME (DROPPII SECTION)
   ========================================================================== */
.business-section {
  background-color: var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.business-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.business-header {
  margin-bottom: 24px;
}

.business-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 12px;
}

.business-desc {
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 28px;
}

.business-points {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: 32px;
}

.point-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
  background-color: #ffffff;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.point-item .point-num {
  color: var(--primary);
  font-weight: 800;
}

.business-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.business-visual-wrapper {
  width: 100%;
  max-width: 480px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.business-visual-wrapper:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 42px -4px rgba(245, 130, 32, 0.22), 0 8px 24px rgba(0, 0, 0, 0.09);
}

.business-visual-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* ==========================================================================
   LIBRARY (IMAGE GALLERY & LAZY YOUTUBE VIDEOS)
   ========================================================================== */
.library-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
}

.library-tab-btn {
  padding: 10px 24px;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-muted);
  background-color: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  transition: var(--transition);
}

.library-tab-btn.active {
  background-color: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

/* ==========================================================================
   LIBRARY (IMAGE GALLERY & LAZY YOUTUBE VIDEOS - SLIDER CAROUSEL)
   ========================================================================== */
.library-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 36px;
}

.library-tab-btn {
  padding: 10px 24px;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-muted);
  background-color: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  transition: var(--transition);
}

.library-tab-btn.active {
  background-color: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

/* Slider Carousel Wrappers */
.gallery-slider-wrapper {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.gallery-carousel-track {
  display: flex;
  transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
  width: 100%;
}

/* Photos Slide: 8 Boxes Grid (4 columns x 2 rows) */
.gallery-slide-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 18px;
  width: 100%;
  flex-shrink: 0;
  box-sizing: border-box;
}

.gallery-box-item {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  background-color: var(--bg-soft);
  cursor: pointer;
  transition: var(--transition);
}

.gallery-box-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--primary);
}

.gallery-box-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.gallery-box-item:hover .gallery-box-img {
  transform: scale(1.06);
}

/* Gradient Overlay from bottom to top for text readability */
.gallery-box-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(17, 24, 39, 0.92) 0%, rgba(17, 24, 39, 0.45) 50%, rgba(17, 24, 39, 0) 85%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 16px 14px;
  color: #ffffff;
  pointer-events: none;
  transition: var(--transition);
}

.gallery-box-cat {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  color: #fb923c;
  margin-bottom: 4px;
  letter-spacing: 0.05em;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
}

.gallery-box-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.35;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.8);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Videos Slide: 6 Boxes Grid (3 columns x 2 rows) */
.videos-slide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 20px;
  width: 100%;
  flex-shrink: 0;
  box-sizing: border-box;
}

.video-box-item {
  background-color: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.video-box-item:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: var(--shadow-card-hover);
}

.video-thumb-container {
  position: relative;
  aspect-ratio: 16 / 9;
  background-color: #111827;
  cursor: pointer;
  overflow: hidden;
}

.video-box-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.video-box-item:hover .video-box-img {
  transform: scale(1.04);
}

.video-box-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
  transition: var(--transition);
}

.video-box-item:hover .video-box-play-btn {
  transform: translate(-50%, -50%) scale(1.12);
  background-color: var(--primary-dark);
}

.video-box-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background-color: rgba(17, 24, 39, 0.85);
  color: #ffffff;
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
}

.video-box-info {
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.video-box-cat {
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.video-box-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Slider Controls: 2 Arrows & Dots */
.slider-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 32px;
}

.slider-nav-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background-color: #ffffff;
  border: 1.5px solid var(--border);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
}

.slider-nav-btn:hover:not(:disabled) {
  border-color: var(--primary);
  color: var(--primary);
  background-color: var(--primary-light);
  transform: scale(1.05);
}

.slider-nav-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  background-color: var(--bg-soft);
  border-color: var(--border);
  color: var(--text-light);
}

.slider-dots {
  display: flex;
  align-items: center;
  gap: 8px;
}

.slider-dot-btn {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--border);
  border: none;
  padding: 0;
  transition: var(--transition);
  cursor: pointer;
}

.slider-dot-btn:hover {
  background-color: var(--text-light);
}

.slider-dot-btn.active {
  background-color: var(--primary);
  width: 26px;
  border-radius: var(--radius-full);
}

/* ==========================================================================
   ARTICLES & NEWS - SLIDER CAROUSEL (6 BOXES PER SLIDE)
   ========================================================================== */
.articles-slider-wrapper {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.articles-carousel-track {
  display: flex;
  transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
  width: 100%;
}

.articles-slide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 24px;
  width: 100%;
  flex-shrink: 0;
  box-sizing: border-box;
}

.article-card {
  background-color: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  cursor: pointer;
}

.article-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: var(--shadow-card-hover);
}

.article-thumb-wrapper {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: var(--bg-soft);
  border-bottom: 1px solid var(--border);
}

.article-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.article-card:hover .article-thumb {
  transform: scale(1.04);
}

.article-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.article-category {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
}

.article-date {
  font-size: 0.75rem;
  color: var(--text-light);
  font-weight: 500;
}

.article-title {
  font-size: 1.0625rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1.4;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-desc {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.5;
  margin-bottom: 14px;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-readmore {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: auto;
}

/* ==========================================================================
   MID-PAGE CTA BANNER
   ========================================================================== */
.mid-cta-section {
  background-color: var(--primary-light);
  border-top: 1px solid rgba(245, 130, 32, 0.25);
  border-bottom: 1px solid rgba(245, 130, 32, 0.25);
  padding: 72px 0;
  text-align: center;
}

.mid-cta-box {
  max-width: 680px;
  margin: 0 auto;
}

.mid-cta-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.mid-cta-desc {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}

/* ==========================================================================
   CONTACT FORM SECTION
   ========================================================================== */
.contact-section {
  background-color: #ffffff;
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 56px;
  align-items: flex-start;
}

.contact-info-card {
  background-color: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.contact-info-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 12px;
}

.contact-info-desc {
  font-size: 0.9375rem;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 28px;
}

.contact-channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 32px;
}

.channel-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  background-color: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: var(--transition);
}

.channel-item:hover {
  border-color: var(--primary);
  transform: translateY(-1px);
}

.channel-icon-box {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background-color: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-weight: 800;
}

.channel-name {
  font-size: 0.8125rem;
  color: var(--text-light);
}

.channel-val {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text);
}

.form-wrapper {
  background-color: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-card);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}

.form-label .req {
  color: var(--danger);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  font-size: 0.9375rem;
  background-color: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-control.is-invalid {
  border-color: var(--danger);
}

.invalid-feedback {
  font-size: 0.8125rem;
  color: var(--danger);
  margin-top: 4px;
  display: none;
}

.form-control.is-invalid+.invalid-feedback {
  display: block;
}

textarea.form-control {
  resize: vertical;
  min-height: 110px;
}

.form-alert {
  display: none;
  padding: 18px 20px;
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  font-size: 0.9375rem;
}

.form-alert.alert-success {
  background-color: #f0fdf4;
  border: 1px solid #86efac;
  color: #166534;
  box-shadow: 0 4px 14px rgba(22, 101, 52, 0.08);
}

.form-alert .alert-header {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.form-alert .alert-icon {
  width: 28px;
  height: 28px;
  background-color: #22c55e;
  color: #ffffff;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 14px;
  flex-shrink: 0;
  margin-top: 2px;
}

.form-alert .alert-title {
  font-size: 1.0625rem;
  font-weight: 800;
  color: #14532d;
  margin-bottom: 4px;
}

.form-alert .alert-desc {
  font-size: 0.875rem;
  font-weight: 500;
  color: #166534;
  line-height: 1.5;
}

.form-alert .alert-actions {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed #86efac;
}

.btn-zalo-connect {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px 16px;
  background-color: #0068ff;
  color: #ffffff !important;
  font-size: 0.9375rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 12px rgba(0, 104, 255, 0.25);
}

.btn-zalo-connect:hover {
  background-color: #0056d6;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 104, 255, 0.35);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background-color: var(--bg-dark);
  color: #d1d5db;
  padding-top: 72px;
  padding-bottom: 48px;
  border-top: 1px solid #1f2937;
  margin-top: auto;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr 0.8fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid #1f2937;
  margin-bottom: 36px;
}

.footer-bio {
  font-size: 0.9375rem;
  color: #9ca3af;
  line-height: 1.6;
  margin-top: 16px;
  max-width: 380px;
}

.footer-col-title {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #ffffff;
  margin-bottom: 18px;
}

.footer-nav-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.footer-nav-list a {
  font-size: 0.9375rem;
  color: #9ca3af;
}

.footer-nav-list a:hover {
  color: var(--primary);
}

.footer-social-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-social-list a {
  font-size: 0.9375rem;
  color: #9ca3af;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer-social-list a:hover {
  color: var(--primary);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.8125rem;
  color: #6b7280;
}

/* ==========================================================================
   MODAL / LIGHTBOX SYSTEM
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(17, 24, 39, 0.75);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background-color: #ffffff;
  border-radius: var(--radius-lg);
  max-width: 720px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
  transform: scale(0.95);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-backdrop.open .modal-dialog {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--bg-soft);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  z-index: 10;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.modal-close-btn:hover {
  background-color: var(--danger);
  color: #ffffff;
  border-color: var(--danger);
}

.modal-image-preview {
  width: 100%;
  max-height: 400px;
  object-fit: contain;
  background-color: var(--bg-soft);
  border-bottom: 1px solid var(--border);
}

.modal-body-content {
  padding: 28px;
}

/* ==========================================================================
   MICRO-ANIMATIONS & REDUCED MOTION
   ========================================================================== */
.fade-up-element {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.fade-up-element.in-view {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .fade-up-element {
    opacity: 1 !important;
    transform: none !important;
  }
}