/* ============================================================
   SHARED.CSS — Growth Lab · Dùng chung cho mọi trang
   ============================================================ */

/* ===== RESET & BASE ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
:root {
  --green1: #155d27;
  --green2: #38ef7d;
  --gradient: linear-gradient(135deg, #155d27, #38ef7d);
  --gradient-r: linear-gradient(to right, #155d27, #38ef7d);
  --dark: #0d1117;
  --dark2: #161b22;
  --dark3: #1c2333;
  --dark-lift: linear-gradient(135deg, #14242a 0%, #17643d 48%, #1a2932 100%);
  --dark-lift-2:
    radial-gradient(
      circle at 50% 0%,
      rgba(56, 239, 125, 0.24),
      transparent 36%
    ),
    linear-gradient(135deg, #172833 0%, #17643d 50%, #1b2c35 100%);
  --gray: #6e7681;
  --light: #f6f8fa;
  --white: #ffffff;
  --text: #24292f;
  --text-light: #57606a;
  --shadow: 0 4px 24px rgba(21, 93, 39, 0.15);
  --shadow-lg: 0 8px 48px rgba(21, 93, 39, 0.2);
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family:
    "Segoe UI",
    system-ui,
    -apple-system,
    sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  display: block;
}
.placeholder-photo {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 10px;
}
a {
  text-decoration: none;
  color: inherit;
}
ul {
  list-style: none;
}

/* ===== SECTION DIVIDER / GRADIENT BORDER UTILITIES ===== */
main > section + section {
  position: relative;
}

main > section + section::before {
  content: "";
  position: absolute;
  top: -3px;
  left: calc(50% - 18px);
  width: min(1040px, calc(100% - 64px));
  height: 4px;
  transform: translateX(-50%);
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--green1) 12%,
    var(--green2) 50%,
    var(--green1) 88%,
    transparent 100%
  );
  border-radius: 999px;
  opacity: 0.95;
  box-shadow:
    0 0 16px rgba(255, 215, 0, 0.22),
    0 0 30px rgba(56, 239, 125, 0.42),
    0 14px 34px rgba(21, 93, 39, 0.22);
  z-index: 2;
}

main > section + section::after {
  content: "";
  position: absolute;
  top: -12px;
  left: calc(50% + 26px);
  width: min(520px, 52vw);
  height: 28px;
  transform: translateX(-50%);
  background:
    radial-gradient(
      ellipse at center,
      rgba(255, 215, 0, 0.18),
      transparent 34%
    ),
    radial-gradient(
      ellipse at center,
      rgba(56, 239, 125, 0.36),
      rgba(56, 239, 125, 0) 70%
    );
  pointer-events: none;
  z-index: 1;
}

main > section:nth-of-type(even)::before {
  top: 2px;
  left: calc(50% + 22px);
}

main > section:nth-of-type(even)::after {
  top: -5px;
  left: calc(50% - 30px);
}

hr,
.section-divider {
  display: block;
  width: min(1040px, calc(100% - 64px));
  height: 4px;
  margin: -2px auto 0;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--green1) 12%,
    #ffd700 50%,
    var(--green2) 88%,
    transparent 100%
  );
  box-shadow:
    0 0 16px rgba(255, 215, 0, 0.2),
    0 0 30px rgba(56, 239, 125, 0.38),
    0 14px 34px rgba(21, 93, 39, 0.18);
}

hr:nth-of-type(even),
.section-divider:nth-of-type(even) {
  transform: translateY(5px);
}

.gradient-border-card {
  position: relative;
  border: 1.5px solid transparent !important;
  background:
    linear-gradient(var(--card-bg, #fff), var(--card-bg, #fff)) padding-box,
    var(--gradient-r) border-box !important;
  box-shadow: 0 8px 28px rgba(21, 93, 39, 0.08);
}

.gradient-border-card:hover {
  box-shadow: var(--shadow-lg);
}

/* ===== KEYFRAME ANIMATIONS ===== */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
@keyframes slideLeft {
  from {
    opacity: 0;
    transform: translateX(-60px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}
@keyframes slideRight {
  from {
    opacity: 0;
    transform: translateX(60px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.85);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}
@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}
@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-18px);
  }
}
@keyframes floatReverse {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(14px);
  }
}
@keyframes blob {
  0%,
  100% {
    border-radius: 60% 40% 30% 70%/60% 30% 70% 40%;
  }
  50% {
    border-radius: 30% 60% 70% 40%/50% 60% 30% 60%;
  }
}
@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}
@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}
@keyframes marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}
@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}
@keyframes ringPulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.3;
  }
  50% {
    transform: scale(1.15);
    opacity: 0.1;
  }
}
@keyframes particleFloat {
  0% {
    transform: translateY(0) translateX(0);
    opacity: 1;
  }
  100% {
    transform: translateY(-100px) translateX(30px);
    opacity: 0;
  }
}

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition:
    opacity 0.75s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal-left {
  opacity: 0;
  transform: translateX(-55px);
  transition:
    opacity 0.75s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal-right {
  opacity: 0;
  transform: translateX(55px);
  transition:
    opacity 0.75s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal-scale {
  opacity: 0;
  transform: scale(0.88);
  transition:
    opacity 0.75s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.visible,
.reveal-left.visible,
.reveal-right.visible,
.reveal-scale.visible {
  opacity: 1;
  transform: none;
}

/* ===== TOPBAR ===== */
.topbar {
  background: var(--gradient-r);
  color: #fff;
  text-align: center;
  padding: 10px 20px;
  font-size: 0.85rem;
  font-weight: 500;
}
.topbar a {
  color: #fff;
  font-weight: 700;
  text-decoration: underline;
}

/* ===== HEADER / NAV ===== */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(21, 93, 39, 0.1);
  transition: box-shadow 0.3s;
}
header.scrolled {
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  flex-shrink: 0;
}
.logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
  flex-shrink: 0;
  display: block;
  /* Slight drop shadow so PNG looks integrated on white header */
  filter: drop-shadow(0 1px 4px rgba(21, 93, 39, 0.18));
  transition: transform 0.25s;
}
.logo:hover .logo-img {
  transform: scale(1.05);
}
.logo-text {
  background-color: var(--gradient-r);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Nav links */
nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-item {
  position: relative;
}
.nav-link {
  padding: 8px 13px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  white-space: nowrap;
}
.nav-link:hover,
.nav-link.active {
  background: rgba(21, 93, 39, 0.08);
  color: var(--green1);
}
.nav-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: #fff;
  border: 1px solid rgba(21, 93, 39, 0.12);
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  min-width: 220px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: all 0.2s;
  z-index: 100;
}
.nav-item:hover .nav-dropdown {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}
.nav-dropdown ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.nav-dropdown a {
  display: block;
  padding: 10px 16px;
  font-size: 0.88rem;
  color: var(--text);
  transition: all 0.15s;
  border-bottom: 1px solid #f0f0f0;
}
.nav-dropdown li:last-child a {
  border-bottom: none;
}
.nav-dropdown a:hover {
  background: rgba(21, 93, 39, 0.06);
  color: var(--green1);
  padding-left: 22px;
}
.nav-cta {
  background: var(--gradient-r);
  color: #fff !important;
  padding: 10px 18px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.87rem;
  transition: all 0.3s;
  border: 1.5px solid rgba(255, 255, 255, 0.92);
  box-shadow:
    0 0 0 3px rgba(255, 255, 255, 0.12),
    0 8px 24px rgba(21, 93, 39, 0.34);
}
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow:
    0 0 0 4px rgba(255, 255, 255, 0.16),
    0 12px 30px rgba(21, 93, 39, 0.42);
}

/* ===== HAMBURGER & MOBILE MENU ===== */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  transition: background 0.2s;
  z-index: 1100;
  position: relative;
}
.hamburger:hover {
  background: rgba(21, 93, 39, 0.08);
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  transform-origin: center;
}
.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 2000;
  pointer-events: none;
}
.mobile-menu.active {
  pointer-events: all;
}
.mobile-menu-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  opacity: 0;
  transition: opacity 0.3s;
}
.mobile-menu.active .mobile-menu-overlay {
  opacity: 1;
}
.mobile-menu-inner {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(300px, 88vw);
  background: #fff;
  transform: translateX(100%);
  transition: transform 0.38s cubic-bezier(0.22, 1, 0.36, 1);
  box-shadow: -8px 0 40px rgba(0, 0, 0, 0.18);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.mobile-menu.active .mobile-menu-inner {
  transform: translateX(0);
}
.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid #f0f0f0;
  flex-shrink: 0;
}
.mobile-menu-header .logo-img {
  height: 40px;
}
.mobile-close {
  background: none;
  border: none;
  font-size: 1.1rem;
  cursor: pointer;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  transition: all 0.2s;
}
.mobile-close:hover {
  background: var(--light);
  color: var(--text);
}
.mobile-nav {
  padding: 12px 0;
  flex: 1;
  overflow-y: auto;
}
.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 20px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  transition: all 0.2s;
  border-left: 3px solid transparent;
}
.mobile-nav-link:hover,
.mobile-nav-link.active {
  background: rgba(21, 93, 39, 0.06);
  color: var(--green1);
  border-left-color: var(--green1);
}
.mobile-nav-group {
  margin: 4px 0 8px;
}
.mobile-nav-label {
  padding: 10px 20px 4px;
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--text-light);
  letter-spacing: 1.2px;
  text-transform: uppercase;
}
.mobile-nav-sub {
  display: block;
  padding: 9px 20px 9px 38px;
  font-size: 0.87rem;
  color: var(--text-light);
  transition: all 0.2s;
}
.mobile-nav-sub:hover {
  color: var(--green1);
  background: rgba(21, 93, 39, 0.04);
  padding-left: 44px;
}
.mobile-nav-divider {
  height: 1px;
  background: #f0f0f0;
  margin: 8px 20px;
}
.mobile-menu-footer {
  padding: 20px;
  border-top: 1px solid #f0f0f0;
  flex-shrink: 0;
}
.mobile-cta {
  display: block;
  background: var(--gradient-r);
  color: #fff;
  text-align: center;
  padding: 14px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 1.5px solid rgba(255, 255, 255, 0.92);
  box-shadow:
    0 0 0 3px rgba(255, 255, 255, 0.12),
    0 8px 24px rgba(21, 93, 39, 0.34);
  transition: all 0.3s;
}
.mobile-cta:hover {
  transform: translateY(-2px);
  box-shadow:
    0 0 0 4px rgba(255, 255, 255, 0.16),
    0 12px 30px rgba(21, 93, 39, 0.42);
}
.mobile-menu-sub-footer {
  text-align: center;
  margin-top: 12px;
  font-size: 0.78rem;
  color: var(--text-light);
}

/* ===== SECTION BASE ===== */
section {
  padding: 90px 0;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(21, 93, 39, 0.08);
  border: 1.5px solid rgba(255, 255, 255, 0.7);
  color: var(--green1);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 14px;
  letter-spacing: 0.5px;
  box-shadow: 0 8px 24px rgba(21, 93, 39, 0.1);
}
.section-title {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
}
.section-desc {
  font-size: 1.02rem;
  color: var(--text-light);
  max-width: 600px;
  line-height: 1.75;
}
.text-gradient {
  background: var(--gradient-r);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-center {
  text-align: center;
}
.text-center .section-desc {
  margin: 0 auto;
}

/* ===== BUTTONS ===== */
.btn-primary {
  background: var(--gradient-r);
  color: #fff;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: all 0.3s;
  box-shadow:
    0 0 0 3px rgba(255, 255, 255, 0.1),
    0 10px 28px rgba(21, 93, 39, 0.36);
  border: 1.9px solid rgba(255, 255, 255, 0.92);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow:
    0 0 0 4px rgba(255, 255, 255, 0.16),
    0 14px 38px rgba(21, 93, 39, 0.5);
}
.btn-outline {
  background: transparent;
  color: #fff;
  padding: 13px 30px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1.5px solid rgba(255, 255, 255, 0.88);
  transition: all 0.3s;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow:
    0 0 0 3px rgba(255, 255, 255, 0.08),
    0 10px 28px rgba(21, 93, 39, 0.16);
}
.btn-outline:hover {
  border-color: #fff;
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 12px 32px rgba(56, 239, 125, 0.2);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.8);
  padding: 13px 26px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.92rem;
  border: 1.5px solid rgba(255, 255, 255, 0.88);
  transition: all 0.3s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow:
    0 0 0 3px rgba(255, 255, 255, 0.08),
    0 10px 28px rgba(21, 93, 39, 0.16);
}
.btn-ghost:hover {
  border-color: #fff;
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 12px 32px rgba(56, 239, 125, 0.2);
}
.btn-white {
  background: #fff;
  color: var(--green1);
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: all 0.3s;
  border: 1.5px solid rgba(255, 255, 255, 0.96);
  box-shadow:
    0 0 0 3px rgba(255, 255, 255, 0.12),
    0 10px 26px rgba(0, 0, 0, 0.16);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.btn-white:hover {
  transform: translateY(-3px);
  box-shadow:
    0 0 0 4px rgba(255, 255, 255, 0.18),
    0 14px 34px rgba(0, 0, 0, 0.24);
}
.btn-outline-white {
  background: transparent;
  color: #fff;
  padding: 13px 30px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1.5px solid rgba(255, 255, 255, 0.9);
  transition: all 0.3s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.btn-outline-white:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 12px 32px rgba(255, 255, 255, 0.12);
}

/* ===== FOOTER ===== */
footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.7);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.footer-main {
  padding: 64px 0 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}
.footer-logo {
  margin-bottom: 16px;
}
.footer-logo .logo-img {
  height: 44px;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}
.footer-tagline {
  font-size: 0.9rem;
  line-height: 1.65;
  margin-bottom: 20px;
}
.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 0.85rem;
}
.footer-socials {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}
.social-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  transition: all 0.2s;
}
.social-btn:hover {
  background: var(--gradient-r);
  border-color: transparent;
  color: #fff;
}
.social-btn-f {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  transition: all 0.2s;
}
.social-btn-f:hover {
  background: var(--gradient-r);
  border-color: transparent;
  color: #fff;
}
.footer-col-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
}
.footer-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-link {
  display: block;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 10px;
  transition: color 0.2s;
}
.footer-link:hover {
  color: var(--green2);
}
.footer-bottom {
  padding: 20px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.35);
}
.footer-bottom-links {
  display: flex;
  gap: 20px;
}
.footer-bottom-links a {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.35);
  transition: color 0.2s;
}
.footer-bottom-links a:hover {
  color: var(--green2);
}

/* ===== SCROLL TO TOP ===== */
.scroll-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 44px;
  height: 44px;
  background: var(--gradient-r);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
  box-shadow: 0 4px 16px rgba(21, 93, 39, 0.4);
  cursor: pointer;
  transition: all 0.3s;
  opacity: 0;
  pointer-events: none;
  z-index: 999;
}
.scroll-top.show {
  opacity: 1;
  pointer-events: all;
}
.scroll-top:hover {
  transform: translateY(-4px);
}

/* ===== RESPONSIVE — SHARED ===== */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  html,
  body {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
  }
  body * {
    min-width: 0;
  }
  section {
    padding: 56px 0;
  }
  .container {
    padding: 0 16px;
  }
  nav {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .topbar {
    font-size: 0.78rem;
    padding: 8px 16px;
    line-height: 1.45;
    white-space: normal;
    overflow-wrap: anywhere;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-main {
    padding: 48px 0 32px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .footer-bottom-links {
    justify-content: center;
  }
  .logo-img {
    height: 40px;
  }
  .nav-container {
    height: 64px;
    width: 100%;
    max-width: 100%;
    padding: 0 16px;
  }
  .btn-primary,
  .btn-outline,
  .btn-ghost,
  .btn-white,
  .btn-outline-white,
  .mobile-cta {
    max-width: 100%;
    white-space: normal;
    text-align: center;
  }
}

@media (max-width: 420px) {
  .topbar {
    font-size: 0.68rem;
    padding-left: 10px;
    padding-right: 10px;
  }
  .logo-text {
    display: none;
  } /* Chỉ hiện logo icon trên màn rất nhỏ */
  .logo-img {
    height: 36px;
  }
}

/* ============================================================
   WORDPRESS / CHILD THEME ADDITIONS
   ============================================================ */

/* ── Admin Bar: đẩy header xuống đúng chiều cao admin bar ── */
body.admin-bar header#header {
  top: 32px;
}
@media screen and (max-width: 782px) {
  body.admin-bar header#header {
    top: 46px;
  }
}

/* ── body.menu-open: khóa scroll khi mobile menu mở ── */
body.menu-open {
  overflow: hidden;
}

/* ── Flatsome conflict reset trên trang custom ── */
/* Ngăn Flatsome override font của body trên 2 trang custom */
body.growthlab-custom-page {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif !important;
  color: var(--text);
  background: var(--white);
}

/* Reset một số selector Flatsome thường override */
body.growthlab-custom-page h1,
body.growthlab-custom-page h2,
body.growthlab-custom-page h3,
body.growthlab-custom-page h4 {
  font-family: inherit;
}

body.growthlab-custom-page a {
  text-decoration: none;
  color: inherit;
}

body.growthlab-custom-page ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

/* Ẩn header/footer của Flatsome nếu có (phòng khi Flatsome render thêm) */
body.growthlab-custom-page #wrapper,
body.growthlab-custom-page #header-outer:not(#header),
body.growthlab-custom-page .flatsome-header {
  display: none !important;
}