/* ===== Custom Variables ===== */
:root {
  --primary: #007ACC;
  --primary-dark: #005f99;
  --primary-light: rgba(0, 122, 204, 0.1);
  --black: #111111;
  --dark: #1a1a1a;
  --gray-900: #212121;
  --gray-700: #444444;
  --gray-500: #6b6b6b;
  --gray-300: #d1d1d1;
  --gray-100: #f5f5f5;
  --white: #ffffff;
  --red: #dc3545;
}

/* ===== Base ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--black);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'DM Sans', sans-serif;
  font-weight: 700;
  line-height: 1.15;
  color: var(--black);
}

p {
  color: var(--gray-500);
}

a {
  text-decoration: none;
  transition: all 0.3s ease;
}

img {
  max-width: 100%;
}

/* ===== Section Defaults ===== */
section {
  padding: 100px 0;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--primary);
  margin-bottom: 16px;
  display: inline-block;
}

.section-title {
  font-size: 2.5rem;
  color: var(--black);
  margin-bottom: 20px;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--white);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 768px) {
  section {
    padding: 70px 0;
  }
  .section-title {
    font-size: 1.75rem;
  }
}

/* ===== Navbar ===== */
.navbar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-300);
  padding: 8px 0;
  transition: all 0.3s ease;
}

.navbar.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--black) !important;
  font-family: 'DM Sans', sans-serif;
}

.brand-icon {
  width: 36px;
  height: 36px;
  background: var(--primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 800;
  font-size: 0.875rem;
}

.navbar .nav-link {
  font-size: 0.875rem;
  color: var(--gray-500) !important;
  font-weight: 500;
  padding: 8px 16px !important;
  transition: color 0.3s ease;
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
  color: var(--black) !important;
}

.btn-primary-custom {
  background: var(--primary);
  color: var(--white);
  border: none;
  padding: 10px 24px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.875rem;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary-custom:hover {
  background: var(--primary-dark);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0, 122, 204, 0.3);
}

.btn-outline-custom {
  background: transparent;
  color: var(--black);
  border: 1.5px solid var(--gray-300);
  padding: 10px 24px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.875rem;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-outline-custom:hover {
  background: var(--gray-100);
  color: var(--black);
  border-color: var(--gray-500);
}

.btn-lg-custom {
  padding: 14px 32px;
  font-size: 1rem;
}

.btn-white-custom {
  background: var(--white);
  color: var(--primary);
  border: none;
  padding: 14px 32px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 1rem;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-white-custom:hover {
  background: var(--gray-100);
  color: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

/* ===== Hero ===== */
.hero {
  padding: 160px 0 100px;
  background: url('../image/hero-banner-new.webp');
  position: relative;
  overflow: hidden;
  background-repeat: no-repeat;
background-position: center;
background-size: cover;
}

.hero::before {
  content: '';
  position: absolute;
  top: 80px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: var(--primary-light);
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gray-100);
  border: 1px solid var(--gray-300);
  border-radius: 50px;
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--gray-500);
  margin-bottom: 24px;
}

.hero-badge .pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-size: 3.5rem;
  line-height: 1.1;
  margin-bottom: 20px;
}

.hero h1 .text-primary-custom {
  color: var(--primary);
}

.hero p.lead {
  font-size: 1.2rem;
  color: var(--black);
  max-width: 560px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 40px;
}

.stat-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 64px;
}

.stat-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: 12px;
}

.stat-card .stat-icon {
  width: 40px;
  height: 40px;
  background: var(--primary-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-card .stat-icon i {
  color: var(--primary);
  font-size: 1.1rem;
}

.stat-card span {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--black);
}

@media (max-width: 992px) {
  .stat-cards { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .hero { padding: 120px 0 70px; }
  .hero h1 { font-size: 2.25rem; }
  .hero-buttons { flex-direction: column; }
  .hero-buttons a { width: 100%; justify-content: center; }
}

/* ===== Pain Points ===== */
.pain-points {
  background: var(--dark);
  color: var(--white);
}

.pain-points .section-title {
  color: var(--white);
}

.problem-card {
  background: var(--gray-900);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 32px;
  transition: all 0.3s ease;
  height: 100%;
}

.problem-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
  border-color: rgba(0, 122, 204, 0.3);
}

.problem-card .card-icon {
  width: 56px;
  height: 56px;
  background: var(--primary-light);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.problem-card .card-icon i {
  font-size: 1.5rem;
  color: var(--primary);
}

.problem-card h3 {
  color: var(--white);
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.problem-card p {
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
}

/* ===== Struggles ===== */
.struggles-section {
  background: var(--white);
}

.struggle-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  background: var(--gray-100);
  border: 1px solid var(--gray-300);
  border-radius: 12px;
  margin-bottom: 12px;
}

.struggle-dot {
  width: 24px;
  height: 24px;
  min-width: 24px;
  background: var(--primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.struggle-dot span {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  display: block;
}

.struggle-item p {
  color: var(--black);
  font-weight: 500;
  margin: 0;
}

.highlight-box {
  background: var(--gray-100);
  border-radius: 12px;
  padding: 16px;
  margin-top: 16px;
}

.highlight-box p:first-child {
  color: var(--black);
  font-weight: 600;
  font-size: 1.1rem;
}

.highlight-box p:last-child {
  color: var(--dark);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 0;
}

.cause-item {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.cause-number {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: var(--primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: 1rem;
}

.cause-item .cause-text {
  display: flex;
  align-items: center;
  gap: 10px;
}

.cause-item .cause-text i {
  color: var(--primary);
  font-size: 1.1rem;
}

.cause-item .cause-text span {
  font-weight: 500;
  font-size: 1.05rem;
  color: var(--black);
}

/* ===== Solution ===== */
.solution-section {
  background: var(--primary);
  color: var(--white);
}

.solution-section .section-label {
  color: rgba(255, 255, 255, 0.7);
}

.solution-section .section-title {
  color: var(--white);
}

.benefit-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 16px;
  padding: 32px;
  height: 100%;
  transition: all 0.3s ease;
}

.benefit-card:hover {
  background: rgba(255, 255, 255, 0.15);
}

.benefit-card .card-icon {
  width: 56px;
  height: 56px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.benefit-card .card-icon i {
  font-size: 1.5rem;
  color: var(--white);
}

.benefit-card h3 {
  color: var(--white);
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.benefit-card p {
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.6;
  margin: 0;
}

/* ===== Why Us ===== */
.why-us-section {
  background: var(--white);
}

.reason-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px 24px;
  background: var(--gray-100);
  border: 1px solid var(--gray-300);
  border-radius: 16px;
  margin-bottom: 12px;
  transition: all 0.3s ease;
}

.reason-item:hover {
  border-color: rgba(0, 122, 204, 0.3);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.reason-number {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: var(--primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: 1.1rem;
}

.reason-text {
  display: flex;
  align-items: center;
  gap: 10px;
}

.reason-text i {
  color: var(--primary);
  font-size: 1.1rem;
}

.reason-text span {
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--black);
}

/* ===== Before/After ===== */
.before-after-section {
  background: var(--gray-100);
}

.compare-card {
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: 16px;
  padding: 36px;
  height: 100%;
}

.compare-card.after-card {
  border: 2px solid var(--primary);
  position: relative;
}

.compare-card.after-card .recommended-badge {
  position: absolute;
  top: -12px;
  right: 24px;
  background: var(--primary);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 50px;
}

.compare-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 28px;
}

.compare-badge.before {
  background: var(--dark);
  color: var(--white);
}

.compare-badge.before .dot {
  width: 8px;
  height: 8px;
  background: var(--red);
  border-radius: 50%;
}

.compare-badge.after {
  background: var(--primary-light);
  color: var(--primary);
}

.compare-badge.after .dot {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
}

.compare-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 18px;
}

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

.compare-icon {
  width: 24px;
  height: 24px;
  min-width: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.compare-icon.negative {
  background: rgba(220, 53, 69, 0.1);
}

.compare-icon.negative i {
  color: var(--red);
  font-size: 0.75rem;
}

.compare-icon.positive {
  background: var(--primary-light);
}

.compare-icon.positive i {
  color: var(--primary);
  font-size: 0.75rem;
}

.compare-item span {
  color: var(--black);
  line-height: 1.5;
}

.after-card .compare-item span {
  font-weight: 500;
}

/* ===== Trust ===== */
.trust-section {
  background: var(--dark);
  color: var(--white);
}

.trust-section .section-title {
  color: var(--white);
}

.trust-section .section-subtitle {
  color: rgba(255, 255, 255, 0.65);
}

.trust-card {
  text-align: center;
  background: var(--gray-900);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 40px;
  height: 100%;
  transition: all 0.3s ease;
}

.trust-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.trust-card .trust-icon {
  width: 64px;
  height: 64px;
  background: var(--primary-light);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.trust-card .trust-icon i {
  font-size: 1.6rem;
  color: var(--primary);
}

.trust-card h3 {
  color: var(--white);
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.trust-card p {
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
  margin: 0;
}

/* ===== Process ===== */
.process-section {
  background: var(--white);
}

.step-card {
  background: var(--gray-100);
  border: 1px solid var(--gray-300);
  border-radius: 16px;
  padding: 32px;
  height: 100%;
}

.step-number {
  font-size: 3rem;
  font-weight: 800;
  color: rgba(0, 122, 204, 0.15);
  line-height: 1;
  margin-bottom: 16px;
  font-family: 'DM Sans', sans-serif;
}

.step-card .step-icon {
  width: 56px;
  height: 56px;
  background: var(--primary-light);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.step-card .step-icon i {
  font-size: 1.5rem;
  color: var(--primary);
}

.step-card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.step-card p {
  line-height: 1.6;
  margin: 0;
}

.after-launch {
  background: var(--dark);
  border-radius: 16px;
  padding: 48px;
  margin-top: 48px;
}

.after-launch h3 {
  color: var(--white);
  font-size: 1.5rem;
  text-align: center;
  margin-bottom: 32px;
}

.launch-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px;
  background: var(--gray-900);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
}

.launch-item i {
  color: var(--primary);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.launch-item span {
  color: var(--white);
  font-weight: 500;
}

/* ===== FAQ ===== */
.faq-section {
  background: var(--gray-100);
}

.faq-section .accordion-item {
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: 12px !important;
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-section .accordion-button {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--black);
  padding: 20px 24px;
  background: var(--white);
  box-shadow: none;
  font-family: 'DM Sans', sans-serif;
}

.faq-section .accordion-button:not(.collapsed) {
  background: var(--white);
  color: var(--primary);
  box-shadow: none;
}

.faq-section .accordion-button::after {
  filter: none;
}

.faq-section .accordion-button:not(.collapsed)::after {
  filter: none;
}

.faq-section .accordion-body {
  padding: 0 24px 20px;
  color: var(--gray-500);
  font-size: 1rem;
  line-height: 1.7;
}

/* ===== CTA ===== */
.cta-section {
  background: var(--primary);
  color: var(--white);
  padding: 100px 0;
}

.cta-section h2 {
  color: var(--white);
  font-size: 2.5rem;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.15rem;
}

.cta-section .subtext {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
}

@media (max-width: 768px) {
  .cta-section h2 {
    font-size: 1.75rem;
  }
}

/* ===== Footer ===== */
.site-footer {
  background: var(--dark);
  padding: 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-weight: 700;
  font-size: 1.1rem;
  font-family: 'DM Sans', sans-serif;
}

.site-footer nav a {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
  transition: color 0.3s ease;
}

.site-footer nav a:hover {
  color: var(--white);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
 
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.875rem;
  margin: 0;
}

/* ===== Scroll animations ===== */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}