@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800;900&display=swap');

:root {
  --bg-primary: #ffffff; /* Fundo principal branco total */
  --bg-secondary: #f8fafc; /* Fundo secundário cinza suave */
  --bg-tertiary: #f1f5f9;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --border-color: #e2e8f0;
  --border-hover: #cbd5e1;
  
  --primary: #000000;
  --primary-hover: #1e293b;
  --primary-rgb: 0, 0, 0;
  
  /* Accent Colors based on Flyer */
  --color-start: #f97316;    /* Orange for Start Plan */
  --color-pro: #10b981;      /* Green for Pro Plan */
  --color-commerce: #f59e0b; /* Gold/Yellow for Commerce Plan */
  --color-whatsapp: #25d366; /* WhatsApp Green */

  --font-display: 'Outfit', sans-serif;
  --font-sans: 'Inter', sans-serif;
  
  --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, 0.05), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Tactile Noise Pattern */
.noise-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.015;
  background: url('data:image/svg+xml;utf8,%3Csvg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"%3E%3Cfilter id="noiseFilter"%3E%3CfeTurbulence type="fractalNoise" baseFrequency="0.8" numOctaves="3" stitchTiles="stitch"/%3E%3C/filter%3E%3Crect width="100%25" height="100%25" filter="url(%23noiseFilter)"/%3E%3C/svg%3E');
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: 8rem 0;
  position: relative;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.15;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

p {
  color: var(--text-secondary);
}

.section-subtitle {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  display: inline-block;
  margin-bottom: 0.75rem;
}

.section-desc {
  max-width: 600px;
  font-size: 1.125rem;
  margin-bottom: 4rem;
}

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition-normal);
  background-color: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
}

header.scrolled {
  background-color: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.02);
}

header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  transition: var(--transition-normal);
}

header.scrolled .container {
  height: 70px;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.03em;
}

.logo-icon {
  width: 38px;
  height: 38px;
}

.logo-txt-accent {
  color: var(--text-secondary);
  font-weight: 500;
}

nav {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  font-weight: 500;
  transition: var(--transition-fast);
  position: relative;
  padding: 0.5rem 0;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: var(--transition-normal);
}

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

.header-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Button System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.6rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: var(--transition-normal);
  text-decoration: none;
  cursor: pointer;
  gap: 0.5rem;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--bg-primary);
  border: 1px solid var(--primary);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

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

.btn-secondary:hover {
  border-color: var(--text-primary);
  background-color: var(--bg-secondary);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background-color: var(--color-whatsapp);
  color: white;
  border: 1px solid var(--color-whatsapp);
}

.btn-whatsapp:hover {
  background-color: #20ba56;
  border-color: #20ba56;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

/* Hamburger Menu (Mobile) */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  transition: var(--transition-normal);
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

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

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Hero Section */
.hero {
  background-color: #F2F2F2; /* Fundo específico para casar com a cor do vídeo */
  padding: 10rem 0 7rem;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2rem;
}

.hero-badge i {
  color: var(--color-pro);
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 1.5rem;
}

.hero-title span {
  display: block;
  background: linear-gradient(90deg, #000 0%, #4b5563 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 550px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Hero Video Showcase */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.hero-video-container {
  width: 100%;
  max-width: 500px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  position: relative;
  aspect-ratio: 16/9;
}

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

/* Trust Strip Section */
.trust-strip {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 3rem 0;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.trust-item h3 {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 0.25rem;
}

.trust-item p {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
}

/* Services Grid */
.services {
  background-color: var(--bg-primary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.service-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  transition: var(--transition-normal);
}

.service-card:hover {
  transform: translateY(-5px);
  background-color: var(--bg-primary);
  box-shadow: var(--shadow-lg);
  border-color: var(--text-primary);
}

.service-icon {
  font-size: 2rem;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.service-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.service-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* Portfolio Section */
.portfolio {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.portfolio-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 4rem;
}

.portfolio-header .left {
  max-width: 600px;
}

.portfolio-header .left .section-desc {
  margin-bottom: 0;
}

/* Filtering Tabs */
.portfolio-tabs {
  display: flex;
  gap: 0.75rem;
  background-color: var(--bg-tertiary);
  padding: 0.35rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  list-style: none;
}

.portfolio-tab {
  padding: 0.6rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
  color: var(--text-secondary);
}

.portfolio-tab:hover {
  color: var(--text-primary);
}

.portfolio-tab.active {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

/* Portfolio Grid */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  perspective: 1000px;
}

.portfolio-item {
  display: none;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.portfolio-item.show {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

/* 3D Tilt Card Component */
.portfolio-card-wrap {
  perspective: 1000px;
  cursor: pointer;
  height: 100%;
}

.portfolio-card {
  position: relative;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.1s ease-out, border-color var(--transition-normal), box-shadow var(--transition-normal);
  transform-style: preserve-3d;
}

/* Light Mode Spotlight Track effect */
.portfolio-card::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-md);
  background: radial-gradient(600px circle at var(--mouse-x, 0px) var(--mouse-y, 0px), rgba(var(--primary-rgb), 0.06), transparent 40%);
  z-index: 1;
  pointer-events: none;
}

.portfolio-card-content {
  transform: translateZ(30px); /* 3D Pop */
  z-index: 2;
}

.portfolio-card-tag {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.portfolio-card h3 {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.portfolio-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 2rem;
}

.portfolio-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  transform: translateZ(20px);
  z-index: 2;
  border-top: 1px solid var(--border-color);
  padding-top: 1.25rem;
}

.portfolio-link {
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  transition: var(--transition-fast);
}

.portfolio-link i {
  font-size: 0.75rem;
  transition: transform var(--transition-fast);
}

.portfolio-link:hover i {
  transform: translateX(3px);
}

.portfolio-btn-preview {
  background: none;
  border: none;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.portfolio-btn-preview:hover {
  color: var(--text-primary);
}

/* Pricing Section */
.pricing {
  background-color: var(--bg-primary);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  align-items: stretch;
  perspective: 1000px;
}

.pricing-card-wrap {
  perspective: 1000px;
  height: 100%;
}

.pricing-card {
  position: relative;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 3rem 2.25rem;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: transform 0.1s ease-out, border-color var(--transition-normal), box-shadow var(--transition-normal);
  transform-style: preserve-3d;
}

.pricing-card-content {
  transform: translateZ(25px);
  z-index: 2;
}

.pricing-card.featured {
  background-color: var(--bg-primary);
  border-width: 2px;
  box-shadow: var(--shadow-xl);
}

/* Plan Specific Border Accent Top */
.pricing-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.pricing-card.plan-start::before {
  background-color: var(--color-start);
}

.pricing-card.plan-pro::before {
  background-color: var(--color-pro);
}

.pricing-card.plan-commerce::before {
  background-color: var(--color-commerce);
}

.pricing-badge {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-full);
  margin-bottom: 2rem;
}

.plan-start .pricing-badge {
  background-color: rgba(249, 115, 22, 0.08);
  color: var(--color-start);
  border: 1px solid rgba(249, 115, 22, 0.2);
}

.plan-pro .pricing-badge {
  background-color: rgba(16, 185, 207, 0.08);
  color: var(--color-pro);
  border: 1px solid rgba(16, 185, 207, 0.2);
}

.plan-commerce .pricing-badge {
  background-color: rgba(245, 158, 11, 0.08);
  color: var(--color-commerce);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.pricing-card-header h3 {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 0.25rem;
}

.pricing-card-header .pages {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.price-container {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  margin-bottom: 1.5rem;
}

.price-currency {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.price-amount {
  font-size: 3.5rem;
  font-weight: 900;
  font-family: var(--font-display);
  letter-spacing: -0.04em;
  line-height: 1;
}

.price-cents {
  font-size: 1.25rem;
  font-weight: 700;
}

.pricing-delivery {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.pricing-delivery i {
  color: #f59e0b;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 3rem;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.pricing-features li i {
  font-size: 0.95rem;
  margin-top: 0.2rem;
}

.plan-start .pricing-features li i {
  color: var(--color-start);
}

.plan-pro .pricing-features li i {
  color: var(--color-pro);
}

.plan-commerce .pricing-features li i {
  color: var(--color-commerce);
}

.pricing-card .btn {
  width: 100%;
  margin-top: auto;
  transform: translateZ(15px);
}

/* Custom Contact Form Section */
.contact {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4rem;
  align-items: start;
}

.contact-info h2 {
  margin-bottom: 1.5rem;
}

.contact-info .section-desc {
  margin-bottom: 3rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-item {
  display: flex;
  gap: 1.25rem;
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--text-primary);
  flex-shrink: 0;
}

.contact-item h4 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.contact-item p {
  font-size: 0.9375rem;
}

/* Modern Floating Label Form */
.contact-form-box {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-lg);
}

.form-group {
  position: relative;
  margin-bottom: 2rem;
}

.form-input {
  width: 100%;
  padding: 1rem 0;
  border: none;
  border-bottom: 2px solid var(--border-color);
  background-color: transparent;
  font-size: 1rem;
  font-family: var(--font-sans);
  color: var(--text-primary);
  outline: none;
  transition: var(--transition-fast);
}

.form-label {
  position: absolute;
  left: 0;
  top: 1rem;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
  pointer-events: none;
  transition: var(--transition-fast);
}

.form-input:focus, .form-input:not(:placeholder-shown) {
  border-bottom-color: var(--text-primary);
}

.form-input:focus ~ .form-label, .form-input:not(:placeholder-shown) ~ .form-label {
  top: -1rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Custom dropdown styled input */
.form-select-group {
  margin-bottom: 2.5rem;
}

.form-select-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.form-select {
  width: 100%;
  padding: 0.9rem 1rem;
  border: 2px solid var(--border-color);
  background-color: var(--bg-secondary);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: var(--font-sans);
  color: var(--text-primary);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  transition: var(--transition-fast);
  background-image: url("data:image/svg+xml;utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%230f172a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1.2rem;
}

.form-select:focus {
  border-color: var(--text-primary);
  background-color: var(--bg-primary);
}

/* FAQ Accordion Section */
.faq {
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.faq-item {
  border: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition-normal);
}

.faq-item:hover {
  border-color: var(--text-primary);
}

.faq-header {
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}

.faq-header h3 {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.faq-icon {
  font-size: 0.875rem;
  transition: transform var(--transition-normal);
  color: var(--text-secondary);
}

.faq-item.active {
  background-color: var(--bg-primary);
  border-color: var(--text-primary);
  box-shadow: var(--shadow-md);
}

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

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal) ease-out;
}

.faq-content-inner {
  padding: 0 2rem 1.75rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Footer Section */
footer {
  background-color: var(--bg-primary);
  padding: 5rem 0 3rem;
  border-top: 1px solid var(--border-color);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  margin-top: 1.25rem;
  max-width: 320px;
  font-size: 0.9375rem;
}

.footer-links-title {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-links-list a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  transition: var(--transition-fast);
}

.footer-links-list a:hover {
  color: var(--text-primary);
  padding-left: 3px;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-socials {
  display: flex;
  gap: 1.5rem;
}

.footer-socials a {
  color: var(--text-secondary);
  transition: var(--transition-fast);
  font-size: 1.125rem;
}

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

/* Live Demo Preview Modal */
.preview-modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background-color: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
  padding: 2rem;
}

.preview-modal.active {
  opacity: 1;
  pointer-events: all;
}

.modal-container {
  width: 100%;
  height: 100%;
  max-width: 1200px;
  max-height: 800px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  transform: scale(0.95);
  transition: transform var(--transition-normal);
  overflow: hidden;
}

.preview-modal.active .modal-container {
  transform: scale(1);
}

.modal-header {
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--bg-secondary);
}

.modal-title-wrap {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.modal-title {
  font-size: 1.125rem;
  font-weight: 700;
}

.modal-tag {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  font-size: 0.7rem;
  font-weight: 600;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}

.modal-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.modal-btn-external {
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.modal-btn-external:hover {
  color: var(--text-primary);
}

.modal-btn-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
}

.modal-btn-close:hover {
  color: var(--text-primary);
  background-color: var(--bg-tertiary);
}

.modal-body {
  flex-grow: 1;
  position: relative;
  background-color: var(--bg-tertiary);
}

.modal-iframe {
  width: 100%;
  height: 100%;
  border: none;
  background-color: var(--bg-primary);
}

/* Modal loading indicator */
.modal-loading {
  position: absolute;
  inset: 0;
  background-color: var(--bg-secondary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  z-index: 10001;
  transition: opacity var(--transition-normal);
  pointer-events: none;
}

.modal-loading.hidden {
  opacity: 0;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-color);
  border-top-color: var(--text-primary);
  border-radius: var(--radius-full);
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Scrollbar Styles */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .hero-grid {
    display: flex;
    flex-direction: column-reverse;
    gap: 3rem;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .hero {
    padding: 8rem 0 5rem;
  }
  
  .hero-text {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .hero-scene-wrap {
    max-width: 400px;
    margin: 0 auto;
  }
  
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .services-grid, .portfolio-grid, .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .portfolio-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 2rem;
  }
  
  .footer-top {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-brand {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  section {
    padding: 5rem 0;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  nav {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    height: calc(100vh - 80px);
    background-color: var(--bg-primary);
    flex-direction: column;
    padding: 3rem 1.5rem;
    gap: 3rem;
    align-items: stretch;
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    border-top: 1px solid var(--border-color);
  }
  
  nav.active {
    transform: translateX(0);
  }
  
  .nav-links {
    flex-direction: column;
    gap: 1.5rem;
    align-items: start;
    width: 100%;
  }
  
  .nav-link {
    font-size: 1.25rem;
    width: 100%;
  }
  
  .header-cta {
    flex-direction: column;
    width: 100%;
    gap: 1rem;
  }
  
  .header-cta .btn {
    width: 100%;
  }
  
  .services-grid, .portfolio-grid, .pricing-grid {
    grid-template-columns: 1fr;
  }
  
  .portfolio-tabs {
    flex-wrap: wrap;
    width: 100%;
  }
  
  .portfolio-tab {
    flex-grow: 1;
    text-align: center;
  }
  
  .contact-form-box {
    padding: 2rem 1.5rem;
  }
  
  .footer-top {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .footer-brand {
    grid-column: span 1;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }
  
  .preview-modal {
    padding: 1rem;
  }
  
  .modal-header {
    padding: 1rem 1.5rem;
  }
  
  .modal-actions {
    gap: 0.5rem;
  }
  
  .modal-btn-external span {
    display: none;
  }
}