/* ==========================================================================
   SuHu Labs - Modern Landing Page Stylesheet
   Identity: Minimalist Clean, Corporate Tech Blue, High Conversion WhatsApp
   ========================================================================== */

/* --- Custom Properties / Design Tokens --- */
:root {
  /* Brand Palette */
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-dark: #1e40af;
  --primary-light: #eff6ff;
  --primary-gradient: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  --tech-glow: radial-gradient(circle at center, rgba(37, 99, 235, 0.15) 0%, rgba(255, 255, 255, 0) 70%);

  /* WhatsApp Conversion Palette */
  --wa-green: #25d366;
  --wa-green-hover: #20ba5a;
  --wa-dark: #128c7e;
  --wa-gradient: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
  --wa-glow: 0 10px 25px -5px rgba(37, 211, 102, 0.45);

  /* Neutrals & Backgrounds */
  --bg-white: #ffffff;
  --bg-surface: #f8fafc;
  --bg-subtle: #f1f5f9;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --border-focus: #93c5fd;

  /* Typography Colors */
  --text-main: #0f172a;
  --text-body: #334155;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --text-white: #ffffff;

  /* Accent & Badges */
  --accent-cyan: #06b6d4;
  --accent-amber: #f59e0b;
  --badge-bg: #eff6ff;
  --badge-text: #1d4ed8;
  --badge-border: #dbeafe;

  /* Typography */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Spacing & Radii */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.06), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 20px 35px -10px rgba(15, 23, 42, 0.08), 0 10px 15px -5px rgba(15, 23, 42, 0.04);
  --shadow-hover: 0 25px 45px -12px rgba(37, 99, 235, 0.16), 0 12px 20px -6px rgba(15, 23, 42, 0.05);
  --shadow-mockup: 0 30px 60px -15px rgba(15, 23, 42, 0.18), 0 15px 25px -10px rgba(37, 99, 235, 0.12);

  /* Transitions */
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-bounce: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-white);
  color: var(--text-body);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

/* --- Layout Utilities --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-padding {
  padding: 96px 0;
}

.section-alt {
  background-color: var(--bg-surface);
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px auto;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--badge-bg);
  color: var(--badge-text);
  border: 1px solid var(--badge-border);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 18px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.35rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.22;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* --- Buttons & CTAs --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: var(--transition-bounce);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  user-select: none;
}

.btn-whatsapp {
  background: var(--wa-gradient);
  color: var(--text-white);
  box-shadow: var(--wa-glow);
}

.btn-whatsapp:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 14px 30px -5px rgba(37, 211, 102, 0.6);
  color: var(--text-white);
}

.btn-whatsapp:active {
  transform: translateY(0) scale(0.98);
}

.btn-primary {
  background: var(--primary-gradient);
  color: var(--text-white);
  box-shadow: 0 10px 25px -5px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 15px 30px -6px rgba(37, 99, 235, 0.45);
  color: var(--text-white);
}

.btn-outline {
  background: var(--bg-white);
  color: var(--text-main);
  border: 1.5px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-lg {
  padding: 16px 34px;
  font-size: 1.125rem;
}

.btn-sm {
  padding: 9px 20px;
  font-size: 0.88rem;
}

/* Pulse animation for CTA icons */
.pulse-icon {
  animation: waPulse 2s infinite ease-in-out;
}

@keyframes waPulse {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.16);
  }
}

/* --- Brand Identity & Logo --- */
.brand-name {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  line-height: 1;
}

.brand-logo {
  height: 64px;
  max-height: 72px;
  width: auto;
  max-width: 280px;
  object-fit: contain;
  display: block;
  transition: transform 0.25s ease;
}

.brand-name:hover .brand-logo {
  transform: scale(1.03);
}

.footer-logo {
  height: 64px;
  max-height: 72px;
  width: auto;
  max-width: 280px;
  object-fit: contain;
  display: block;
  margin-bottom: 14px;
  transition: opacity 0.25s ease;
}

.footer-logo:hover {
  opacity: 0.9;
}

/* --- Navigation Bar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  transition: var(--transition);
}

.navbar.scrolled {
  box-shadow: 0 8px 25px -8px rgba(15, 23, 42, 0.08);
  background: rgba(255, 255, 255, 0.98);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 84px;
  padding: 8px 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-body);
  position: relative;
  padding: 6px 0;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.2s ease;
  border-radius: 2px;
}

.nav-link:hover::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  color: var(--text-main);
}

/* Mobile Dropdown Nav */
.mobile-nav {
  display: none;
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  padding: 24px;
  box-shadow: var(--shadow-lg);
}

.mobile-nav.open {
  display: block;
  animation: fadeIn 0.25s ease-in-out;
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 20px;
}

.mobile-nav-links a {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
  padding: 6px 0;
  display: block;
}

.mobile-nav-links a:hover {
  color: var(--primary);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  padding-top: 155px;
  padding-bottom: 90px;
  overflow: hidden;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.hero-glow-1 {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 550px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.12) 0%, rgba(6, 182, 212, 0.05) 45%, rgba(255, 255, 255, 0) 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 880px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 18px;
  background: rgba(37, 99, 235, 0.07);
  border: 1px solid rgba(37, 99, 235, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 24px;
  backdrop-filter: blur(8px);
}

.hero-badge .ping-dot {
  width: 8px;
  height: 8px;
  background: var(--wa-green);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.3);
  animation: ping 1.8s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes ping {

  75%,
  100% {
    transform: scale(1.6);
    opacity: 0;
  }
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.4rem;
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.035em;
  color: var(--text-main);
  margin-bottom: 22px;
}

.hero-title .highlight-text {
  background: linear-gradient(135deg, #1d4ed8 0%, #2563eb 50%, #06b6d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.22rem;
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 720px;
  margin: 0 auto 34px auto;
  font-weight: 450;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.hero-guarantee {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  flex-wrap: wrap;
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 500;
}

.hero-guarantee span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.hero-guarantee svg {
  color: var(--wa-green);
}

/* --- Hero Mockup Component --- */
.hero-mockup-wrapper {
  position: relative;
  z-index: 1;
  margin-top: 52px;
  max-width: 1060px;
  margin-left: auto;
  margin-right: auto;
}

/* Mockup Tabs Selector */
.mockup-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.mockup-tab-btn {
  padding: 8px 20px;
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  color: var(--text-muted);
  background: var(--bg-white);
  border: 1px solid var(--border);
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.mockup-tab-btn.active {
  background: var(--primary);
  color: var(--text-white);
  border-color: var(--primary);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.mockup-tab-btn:hover:not(.active) {
  background: var(--bg-surface);
  color: var(--text-main);
  border-color: var(--border-focus);
}

/* Laptop Frame */
.laptop-mockup {
  background: #1e293b;
  border-radius: 18px 18px 6px 6px;
  padding: 12px 12px 0 12px;
  box-shadow: var(--shadow-mockup);
  border: 1px solid #334155;
  position: relative;
  max-width: 880px;
  margin: 0 auto;
}

.laptop-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px 12px 14px;
}

.laptop-dots {
  display: flex;
  gap: 6px;
}

.laptop-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot-red {
  background: #ef4444;
}

.dot-yellow {
  background: #f59e0b;
}

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

.laptop-url-bar {
  background: #0f172a;
  border-radius: 20px;
  padding: 5px 18px;
  color: #94a3b8;
  font-size: 0.78rem;
  font-family: monospace;
  display: flex;
  align-items: center;
  gap: 8px;
  width: 55%;
  justify-content: center;
  border: 1px solid #334155;
}

.laptop-screen {
  background: #ffffff;
  border-radius: 8px 8px 0 0;
  overflow: hidden;
  height: 400px;
  position: relative;
}

.laptop-base {
  height: 16px;
  background: #0f172a;
  border-radius: 0 0 14px 14px;
  position: relative;
  max-width: 960px;
  margin: 0 auto;
  border-top: 1px solid #334155;
}

.laptop-notch {
  width: 120px;
  height: 6px;
  background: #334155;
  border-radius: 0 0 6px 6px;
  margin: 0 auto;
}

/* Phone Mockup Floating */
.phone-mockup {
  position: absolute;
  bottom: -30px;
  right: -10px;
  width: 220px;
  height: 420px;
  background: #0f172a;
  border-radius: 36px;
  border: 4px solid #334155;
  box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.4);
  padding: 10px;
  z-index: 5;
  display: block;
}

.phone-screen {
  background: #ffffff;
  border-radius: 28px;
  height: 100%;
  overflow: hidden;
  position: relative;
}

.phone-notch {
  width: 80px;
  height: 16px;
  background: #0f172a;
  border-radius: 0 0 12px 12px;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
}

/* Screen Internal Content Demos */
.preview-slide {
  display: none;
  height: 100%;
  overflow-y: auto;
  background: #fafafa;
}

.preview-slide.active {
  display: block;
  animation: fadeIn 0.35s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.mockup-site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: #ffffff;
  border-bottom: 1px solid #e2e8f0;
}

.mockup-site-logo {
  font-weight: 800;
  font-size: 0.95rem;
  color: #0f172a;
  display: flex;
  align-items: center;
  gap: 6px;
}

.mockup-hero-demo {
  padding: 30px 20px;
  text-align: center;
  background: linear-gradient(180deg, #eff6ff 0%, #ffffff 100%);
}

.mockup-hero-demo h3 {
  font-size: 1.35rem;
  color: #0f172a;
  margin-bottom: 8px;
  font-weight: 800;
}

.mockup-hero-demo p {
  font-size: 0.85rem;
  color: #64748b;
  max-width: 440px;
  margin: 0 auto 16px auto;
}

.mockup-btn-demo {
  display: inline-block;
  padding: 7px 16px;
  background: #2563eb;
  color: #fff;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
}

.mockup-grid-demo {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding: 20px;
}

.mockup-card-demo {
  background: #ffffff;
  padding: 14px;
  border-radius: 10px;
  border: 1px solid #e2e8f0;
  text-align: left;
}

.mockup-card-demo .icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: #dbeafe;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
  color: #1d4ed8;
}

.mockup-card-demo h4 {
  font-size: 0.85rem;
  margin-bottom: 4px;
  color: #0f172a;
}

.mockup-card-demo p {
  font-size: 0.72rem;
  color: #64748b;
  line-height: 1.4;
}

/* Phone Screen Internal Demo */
.phone-demo-content {
  padding: 30px 14px 14px 14px;
  font-size: 0.75rem;
}

.phone-card {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 12px;
  margin-bottom: 10px;
}

.phone-wa-btn {
  display: block;
  width: 100%;
  background: #25d366;
  color: #fff;
  text-align: center;
  padding: 10px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.78rem;
  margin-top: 14px;
  text-decoration: none;
}

/* --- Section 2: Trust & Local Focus Banner --- */
.trust-bar {
  background: #ffffff;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 44px 0;
  width: 100%;
}

.trust-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  gap: 36px;
}

.trust-main-statement {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
}

.trust-pin-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.12);
  flex-shrink: 0;
}

.trust-main-statement h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.4;
  text-align: center;
  margin: 0;
}

.trust-stats-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 52px;
  flex-wrap: wrap;
  width: 100%;
  margin: 0 auto;
  text-align: center;
}

.trust-stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-width: 140px;
}

.trust-stat-num {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 6px;
  text-align: center;
}

.trust-stat-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
  text-align: center;
  white-space: nowrap;
}

/* --- Section 3: Services & Solutions --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

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

@media (max-width: 640px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}

.service-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  transition: var(--transition-bounce);
  position: relative;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: var(--border-focus);
}

.service-icon-box {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  transition: var(--transition);
}

.service-card:hover .service-icon-box {
  background: var(--primary);
  color: var(--text-white);
  transform: scale(1.08);
}

.service-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
  line-height: 1.25;
}

.service-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 22px;
  flex-grow: 1;
}

.service-features-list {
  list-style: none;
  margin-bottom: 24px;
  border-top: 1px dashed var(--border);
  padding-top: 16px;
}

.service-features-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-body);
  margin-bottom: 8px;
  font-weight: 500;
}

.service-features-list li svg {
  color: var(--primary);
  flex-shrink: 0;
}

.service-cta-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary);
  margin-top: auto;
  transition: var(--transition);
}

.service-cta-link:hover {
  gap: 10px;
  color: var(--primary-dark);
}

/* --- Section 4: Portfolio / Success Cases --- */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 32px;
}

.portfolio-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-bounce);
  display: flex;
  flex-direction: column;
}

.portfolio-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: var(--border-focus);
}

.portfolio-visual {
  height: 220px;
  background: #f1f5f9;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--border);
}

.portfolio-preview-box {
  width: 90%;
  height: 85%;
  background: #ffffff;
  border-radius: 10px 10px 0 0;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
  border: 1px solid #e2e8f0;
  padding: 16px;
  transition: transform 0.4s ease;
}

.portfolio-card:hover .portfolio-preview-box {
  transform: translateY(-6px) scale(1.02);
}

.portfolio-body {
  padding: 26px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.portfolio-badge {
  display: inline-block;
  align-self: flex-start;
  padding: 4px 12px;
  background: #eff6ff;
  color: #1d4ed8;
  border-radius: var(--radius-full);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 12px;
}

.portfolio-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}

.portfolio-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 18px;
  flex-grow: 1;
}

.portfolio-highlight-tag {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: #059669;
  background: #ecfdf5;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
}

.portfolio-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border-light);
}

.portfolio-link-btn {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.portfolio-link-btn:hover {
  color: var(--primary-dark);
}

/* --- Section 5: Why Choose SuHu Labs (Differentiators) --- */
.why-us-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.why-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.why-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: var(--primary);
  transition: height 0.3s ease;
}

.why-card:hover::before {
  height: 100%;
}

.why-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-focus);
}

.why-number {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 900;
  color: rgba(37, 99, 235, 0.15);
  line-height: 1;
  margin-bottom: 12px;
}

.why-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
}

.why-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* --- FAQ Section --- */
.faq-wrapper {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active {
  border-color: var(--primary);
  box-shadow: 0 6px 18px -4px rgba(37, 99, 235, 0.1);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  text-align: left;
  gap: 16px;
}

.faq-icon {
  width: 28px;
  height: 28px;
  min-width: 28px;
  border-radius: 50%;
  background: var(--bg-surface);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  background: var(--primary);
  color: #fff;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 24px;
  color: var(--text-muted);
  font-size: 0.96rem;
  line-height: 1.65;
}

.faq-item.active .faq-answer {
  max-height: 250px;
  padding: 0 24px 20px 24px;
}

/* --- Section 6: Final CTA (Conversion Close) --- */
.final-cta {
  padding: 100px 0;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.final-cta-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 700px;
  height: 500px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.35) 0%, rgba(37, 211, 102, 0.15) 50%, rgba(0, 0, 0, 0) 70%);
  pointer-events: none;
}

.final-cta-card {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 780px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-xl);
  padding: 64px 40px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.5);
}

.final-cta-title {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.18;
  margin-bottom: 20px;
  color: #ffffff;
  letter-spacing: -0.025em;
}

.final-cta-desc {
  font-size: 1.15rem;
  color: #cbd5e1;
  margin-bottom: 38px;
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.final-cta-btn-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.final-cta-help-text {
  font-size: 0.88rem;
  color: #94a3b8;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* --- Floating WhatsApp Button --- */
.floating-whatsapp {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 12px;
}

.floating-wa-badge {
  background: #ffffff;
  color: var(--text-main);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 6px;
  animation: floatBadge 3s ease-in-out infinite;
  white-space: nowrap;
}

@keyframes floatBadge {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-4px);
  }
}

.floating-wa-btn {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: var(--wa-gradient);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.5);
  transition: var(--transition-bounce);
  position: relative;
}

.floating-wa-btn:hover {
  transform: scale(1.12);
  box-shadow: 0 14px 32px rgba(37, 211, 102, 0.65);
}

.floating-wa-btn::before {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border-radius: 50%;
  border: 2px solid var(--wa-green);
  animation: pulseRing 2s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
  opacity: 0;
}

@keyframes pulseRing {
  0% {
    transform: scale(0.95);
    opacity: 0.8;
  }

  50% {
    transform: scale(1.2);
    opacity: 0;
  }

  100% {
    transform: scale(1.2);
    opacity: 0;
  }
}

/* --- Footer --- */
.footer {
  background: #ffffff;
  border-top: 1px solid var(--border);
  padding: 64px 0 32px 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 14px;
  max-width: 360px;
  line-height: 1.6;
}

.footer-location {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-top: 16px;
  font-weight: 500;
}

.footer-location svg {
  color: var(--primary);
}

.footer-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 18px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.92rem;
}

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

.email-contact-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.92rem;
  text-decoration: none;
  cursor: pointer;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.email-contact-link:hover {
  opacity: 0.85;
}

.email-contact-link svg {
  color: var(--primary);
  flex-shrink: 0;
}

.email-contact-img {
  height: 16px;
  width: auto;
  vertical-align: middle;
  display: inline-block;
  user-select: none;
  -webkit-user-drag: none;
}

.footer-bottom {
  border-top: 1px solid var(--border-light);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-light);
}

/* --- Responsive Media Queries --- */
@media (max-width: 992px) {
  .hero-title {
    font-size: 2.75rem;
  }

  .laptop-screen {
    height: 320px;
  }

  .phone-mockup {
    display: none;
    /* Hide floating phone on mid screens for cleaner layout */
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {

  .nav-links,
  .nav-actions .btn-desktop {
    display: none;
  }

  .mobile-menu-toggle {
    display: block;
  }

  .hero {
    padding-top: 115px;
    padding-bottom: 60px;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .hero-subtitle {
    font-size: 1.02rem;
  }

  .section-title {
    font-size: 1.85rem;
  }

  .laptop-screen {
    height: 260px;
  }

  .mockup-grid-demo {
    grid-template-columns: 1fr;
  }

  .trust-content {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 24px;
  }

  .trust-main-statement {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }

  .trust-stats-grid {
    gap: 24px;
    justify-content: center;
  }

  .final-cta-card {
    padding: 40px 20px;
  }

  .final-cta-title {
    font-size: 1.95rem;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .floating-wa-badge {
    display: none;
  }
}