/* ============================================
   FSN Projetos Web - Design System & Styles
   Mobile First | Dark Theme | Premium Design
   ============================================ */

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

/* --- CSS Custom Properties --- */
:root {
  /* Colors */
  --color-bg-primary: #0a0a1a;
  --color-bg-secondary: #0f0f2a;
  --color-bg-card: rgba(15, 15, 42, 0.7);
  --color-bg-glass: rgba(255, 255, 255, 0.03);
  --color-border-glass: rgba(255, 255, 255, 0.08);

  --color-accent-primary: #6c5ce7;
  --color-accent-secondary: #00cec9;
  --color-accent-tertiary: #fd79a8;
  --color-accent-gradient: linear-gradient(135deg, #6c5ce7, #00cec9);
  --color-accent-gradient-hover: linear-gradient(135deg, #00cec9, #6c5ce7);
  --color-accent-glow: rgba(108, 92, 231, 0.4);

  --color-text-primary: #f0f0ff;
  --color-text-secondary: #a0a0c0;
  --color-text-muted: #6a6a8a;

  --color-success: #00b894;
  --color-error: #e17055;
  --color-whatsapp: #25D366;

  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 50%;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-spring: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Shadows */
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 30px rgba(108, 92, 231, 0.3);
  --shadow-glow-lg: 0 0 60px rgba(108, 92, 231, 0.2);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

ul {
  list-style: none;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
}

/* --- Utility Classes --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-3xl) 0;
  position: relative;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--color-accent-secondary);
  margin-bottom: var(--space-md);
  padding: var(--space-xs) var(--space-md);
  background: rgba(0, 206, 201, 0.08);
  border: 1px solid rgba(0, 206, 201, 0.2);
  border-radius: 50px;
}

.section-title {
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  margin-bottom: var(--space-md);
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  line-height: 1.8;
}

.text-center {
  text-align: center;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

/* --- Animated Background --- */
.bg-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(108, 92, 231, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(108, 92, 231, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: -2;
  pointer-events: none;
}

.bg-orbs {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.bg-orb {
  position: absolute;
  border-radius: var(--radius-full);
  filter: blur(80px);
  opacity: 0.4;
  animation: orbFloat 20s ease-in-out infinite;
}

.bg-orb--1 {
  width: 400px;
  height: 400px;
  background: var(--color-accent-primary);
  top: -100px;
  right: -100px;
  animation-delay: 0s;
}

.bg-orb--2 {
  width: 300px;
  height: 300px;
  background: var(--color-accent-secondary);
  bottom: 20%;
  left: -100px;
  animation-delay: -7s;
}

.bg-orb--3 {
  width: 250px;
  height: 250px;
  background: var(--color-accent-tertiary);
  top: 50%;
  right: 20%;
  animation-delay: -14s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -50px) scale(1.1); }
  50% { transform: translate(-20px, 20px) scale(0.9); }
  75% { transform: translate(50px, 30px) scale(1.05); }
}

/* --- Scroll Reveal Animation --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-scale.revealed {
  opacity: 1;
  transform: scale(1);
}

/* --- Header / Nav --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: var(--space-md) 0;
  transition: var(--transition-base);
  background: transparent;
}

.header.scrolled {
  background: rgba(10, 10, 26, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border-glass);
  padding: var(--space-sm) 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  z-index: 1001;
}

.logo img {
  height: 40px;
  width: auto;
}

.logo-text {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.3rem;
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1001;
  padding: 5px;
}

.nav-toggle span {
  display: block;
  width: 28px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: var(--transition-base);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  height: 100vh;
  background: rgba(10, 10, 26, 0.98);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  transition: right var(--transition-slow);
  z-index: 1000;
}

.nav.active {
  right: 0;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  position: relative;
  padding: var(--space-xs) var(--space-md);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--color-accent-gradient);
  transition: width var(--transition-base);
  border-radius: 2px;
}

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

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

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  padding-bottom: var(--space-3xl);
  position: relative;
  overflow: hidden;
}

.hero .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2xl);
}

.hero-content {
  text-align: center;
  max-width: 700px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-accent-secondary);
  padding: var(--space-xs) var(--space-lg);
  background: rgba(0, 206, 201, 0.06);
  border: 1px solid rgba(0, 206, 201, 0.15);
  border-radius: 50px;
  margin-bottom: var(--space-lg);
  animation: fadeInDown 1s ease forwards;
}

.hero-badge .pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--color-accent-secondary);
  border-radius: var(--radius-full);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-title {
  font-size: clamp(2rem, 7vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
  animation: fadeInUp 1s ease 0.2s forwards;
  opacity: 0;
}

.hero-title .gradient-text {
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-title .highlight {
  position: relative;
  display: inline-block;
}

.hero-title .highlight::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--color-accent-gradient);
  border-radius: 2px;
  animation: expandWidth 1.2s ease 1s forwards;
  transform-origin: left;
  transform: scaleX(0);
}

@keyframes expandWidth {
  to { transform: scaleX(1); }
}

.hero-description {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-xl);
  animation: fadeInUp 1s ease 0.4s forwards;
  opacity: 0;
}

.hero-cta-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
  animation: fadeInUp 1s ease 0.6s forwards;
  opacity: 0;
}

.hero-image {
  width: 100%;
  max-width: 500px;
  position: relative;
  animation: fadeInUp 1s ease 0.8s forwards;
  opacity: 0;
}

.hero-image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  animation: heroFloat 6s ease-in-out infinite;
  filter: drop-shadow(0 20px 60px rgba(108, 92, 231, 0.3));
}

@keyframes heroFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  25% { transform: translateY(-15px) rotate(1deg); }
  75% { transform: translateY(10px) rotate(-1deg); }
}

.hero-image::before {
  content: '';
  position: absolute;
  inset: -20px;
  background: var(--color-accent-gradient);
  border-radius: var(--radius-xl);
  opacity: 0.15;
  filter: blur(40px);
  z-index: -1;
  animation: heroGlow 4s ease-in-out infinite alternate;
}

@keyframes heroGlow {
  0% { opacity: 0.1; transform: scale(0.95); }
  100% { opacity: 0.25; transform: scale(1.05); }
}

/* Floating Particles around hero */
.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--color-accent-primary);
  border-radius: var(--radius-full);
  opacity: 0.5;
  animation: particleFloat 15s linear infinite;
}

.particle:nth-child(1) { left: 10%; top: 20%; animation-delay: 0s; animation-duration: 12s; }
.particle:nth-child(2) { left: 20%; top: 80%; animation-delay: -3s; animation-duration: 18s; background: var(--color-accent-secondary); }
.particle:nth-child(3) { left: 60%; top: 40%; animation-delay: -5s; animation-duration: 14s; }
.particle:nth-child(4) { left: 80%; top: 60%; animation-delay: -8s; animation-duration: 16s; background: var(--color-accent-tertiary); }
.particle:nth-child(5) { left: 40%; top: 10%; animation-delay: -2s; animation-duration: 20s; background: var(--color-accent-secondary); }
.particle:nth-child(6) { left: 90%; top: 30%; animation-delay: -10s; animation-duration: 13s; }

@keyframes particleFloat {
  0% { transform: translateY(0) translateX(0); opacity: 0; }
  10% { opacity: 0.6; }
  90% { opacity: 0.6; }
  100% { transform: translateY(-100vh) translateX(50px); opacity: 0; }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: all var(--transition-spring);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-accent-gradient);
  color: white;
  box-shadow: 0 4px 20px var(--color-accent-glow);
}

.btn--primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 35px var(--color-accent-glow);
}

.btn--primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-accent-gradient-hover);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.btn--primary:hover::before {
  opacity: 1;
}

.btn--primary span,
.btn--primary svg {
  position: relative;
  z-index: 1;
}

.btn--outline {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-glass);
  backdrop-filter: blur(10px);
}

.btn--outline:hover {
  border-color: var(--color-accent-primary);
  background: rgba(108, 92, 231, 0.1);
  transform: translateY(-3px);
}

.btn--whatsapp {
  background: var(--color-whatsapp);
  color: white;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
}

.btn--whatsapp:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 35px rgba(37, 211, 102, 0.4);
  background: #20c15e;
}

.btn--lg {
  padding: var(--space-lg) var(--space-2xl);
  font-size: 1.05rem;
}

.btn-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* --- Services Section --- */
.services {
  background: var(--color-bg-secondary);
  position: relative;
}

.services::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent-primary), transparent);
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.service-card {
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border-glass);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-spring);
  position: relative;
  overflow: hidden;
  cursor: default;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--color-accent-gradient);
  transform: scaleX(0);
  transition: transform var(--transition-base);
  transform-origin: left;
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: rgba(108, 92, 231, 0.3);
  box-shadow: var(--shadow-glow);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: rgba(108, 92, 231, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  transition: var(--transition-base);
  font-size: 1.5rem;
}

.service-card:hover .service-icon {
  background: var(--color-accent-gradient);
  transform: scale(1.1) rotate(5deg);
}

.service-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--color-accent-primary);
  transition: var(--transition-base);
}

.service-card:hover .service-icon svg {
  stroke: white;
}

.service-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
}

.service-card p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

.service-card--1 .service-icon { background: rgba(108, 92, 231, 0.1); }
.service-card--2 .service-icon { background: rgba(0, 206, 201, 0.1); }
.service-card--3 .service-icon { background: rgba(253, 121, 168, 0.1); }
.service-card--4 .service-icon { background: rgba(255, 183, 77, 0.1); }

.service-card--2 .service-icon svg { stroke: var(--color-accent-secondary); }
.service-card--3 .service-icon svg { stroke: var(--color-accent-tertiary); }
.service-card--4 .service-icon svg { stroke: #ffb74d; }

/* --- Portfolio Section --- */
.portfolio {
  position: relative;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.portfolio-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  cursor: pointer;
  transition: all var(--transition-spring);
  border: 1px solid var(--color-border-glass);
}

.portfolio-item:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-glow-lg);
  border-color: var(--color-accent-primary);
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.portfolio-item:hover img {
  transform: scale(1.08);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 10, 26, 0.95) 0%, rgba(10, 10, 26, 0.3) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-xl);
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

.portfolio-overlay h3 {
  font-size: 1.2rem;
  margin-bottom: var(--space-xs);
  transform: translateY(20px);
  transition: transform var(--transition-base);
}

.portfolio-item:hover .portfolio-overlay h3 {
  transform: translateY(0);
}

.portfolio-overlay p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  transform: translateY(20px);
  transition: transform var(--transition-base) 0.05s;
}

.portfolio-item:hover .portfolio-overlay p {
  transform: translateY(0);
}

.portfolio-overlay .portfolio-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent-secondary);
  margin-top: var(--space-sm);
  transform: translateY(20px);
  transition: transform var(--transition-base) 0.1s;
}

.portfolio-item:hover .portfolio-overlay .portfolio-link {
  transform: translateY(0);
}

.portfolio-link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-base);
}

.portfolio-link:hover svg {
  transform: translateX(4px);
}

/* --- Contact Section --- */
.contact {
  background: var(--color-bg-secondary);
  position: relative;
}

.contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent-secondary), transparent);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  margin-top: var(--space-2xl);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border-glass);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.contact-info-item:hover {
  border-color: rgba(108, 92, 231, 0.3);
  transform: translateX(8px);
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(108, 92, 231, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--color-accent-primary);
}

.contact-info-icon--whatsapp {
  background: rgba(37, 211, 102, 0.1);
}

.contact-info-icon--whatsapp svg {
  stroke: var(--color-whatsapp);
}

.contact-info-icon--email {
  background: rgba(0, 206, 201, 0.1);
}

.contact-info-icon--email svg {
  stroke: var(--color-accent-secondary);
}

.contact-info-text h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.contact-info-text p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.contact-info-text a {
  color: var(--color-accent-secondary);
  transition: var(--transition-base);
}

.contact-info-text a:hover {
  color: var(--color-accent-primary);
}

/* Contact Form */
.contact-form {
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border-glass);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
}

.form-group {
  margin-bottom: var(--space-lg);
  position: relative;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border-glass);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all var(--transition-base);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-muted);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
  background: rgba(108, 92, 231, 0.05);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23a0a0c0' stroke-width='2' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  cursor: pointer;
}

.form-group select option {
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.form-submit {
  margin-top: var(--space-sm);
}

.form-submit .btn {
  width: 100%;
}

/* --- Footer --- */
.footer {
  padding: var(--space-2xl) 0 var(--space-lg);
  border-top: 1px solid var(--color-border-glass);
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.footer-logo img {
  height: 36px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md) var(--space-lg);
}

.footer-links a {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  transition: var(--transition-base);
}

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

.footer-social {
  display: flex;
  gap: var(--space-md);
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-spring);
}

.footer-social a:hover {
  border-color: var(--color-accent-primary);
  background: rgba(108, 92, 231, 0.1);
  transform: translateY(-4px);
}

.footer-social a svg {
  width: 18px;
  height: 18px;
  stroke: var(--color-text-secondary);
  transition: var(--transition-base);
}

.footer-social a:hover svg {
  stroke: var(--color-accent-primary);
}

.footer-bottom {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border-glass);
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* --- Floating WhatsApp Button --- */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  background: var(--color-whatsapp);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: all var(--transition-spring);
  cursor: pointer;
  animation: whatsappPulse 2s ease-in-out infinite;
}

.whatsapp-float:hover {
  transform: scale(1.15);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-float svg {
  width: 30px;
  height: 30px;
  fill: white;
}

@keyframes whatsappPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6), 0 0 0 10px rgba(37, 211, 102, 0.1); }
}

/* --- Scroll To Top --- */
.scroll-top {
  position: fixed;
  bottom: 96px;
  right: 28px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(108, 92, 231, 0.2);
  border: 1px solid rgba(108, 92, 231, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  cursor: pointer;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  background: var(--color-accent-primary);
  transform: translateY(-4px);
}

.scroll-top svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-text-primary);
}

/* --- Form Success/Error States --- */
.form-message {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  margin-top: var(--space-md);
  display: none;
}

.form-message--success {
  background: rgba(0, 184, 148, 0.1);
  border: 1px solid rgba(0, 184, 148, 0.3);
  color: var(--color-success);
  display: block;
}

.form-message--error {
  background: rgba(225, 112, 85, 0.1);
  border: 1px solid rgba(225, 112, 85, 0.3);
  color: var(--color-error);
  display: block;
}

/* --- Counter Animation --- */
.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
  padding: var(--space-xl);
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border-glass);
  border-radius: var(--radius-xl);
}

.stat-item {
  text-align: center;
  padding: var(--space-md);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 5vw, 2.5rem);
  font-weight: 800;
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-top: 4px;
}

/* ============================================
   Responsive Design - Tablet and Up
   ============================================ */
@media (min-width: 640px) {
  .hero-cta-group {
    flex-direction: row;
  }

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

  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ============================================
   Responsive Design - Desktop
   ============================================ */
@media (min-width: 1024px) {
  .nav-toggle {
    display: none;
  }

  .nav {
    position: static;
    width: auto;
    height: auto;
    background: none;
    backdrop-filter: none;
    flex-direction: row;
    gap: var(--space-lg);
  }

  .nav-link {
    font-size: 0.9rem;
  }

  .hero .container {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3xl);
  }

  .hero-content {
    text-align: left;
    flex: 1;
  }

  .hero-cta-group {
    justify-content: flex-start;
  }

  .hero-image {
    flex: 1;
    max-width: 550px;
  }

  .services-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .contact-wrapper {
    grid-template-columns: 1fr 1.2fr;
    align-items: start;
  }

  .section {
    padding: var(--space-4xl) 0;
  }

  .contact-form {
    padding: var(--space-2xl);
  }
}

/* --- Keyframe Animations --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Typing Effect (for badge) --- */
.typing-cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background: var(--color-accent-secondary);
  margin-left: 2px;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

/* --- Loading Animation --- */
.page-loader {
  position: fixed;
  inset: 0;
  background: var(--color-bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: opacity 0.6s ease;
}

.page-loader.loaded {
  opacity: 0;
  pointer-events: none;
}

.loader-spinner {
  width: 50px;
  height: 50px;
  border: 3px solid var(--color-border-glass);
  border-top-color: var(--color-accent-primary);
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
}

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

/* --- Smooth Shimmer on Service Cards --- */
.service-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.03), transparent);
  transition: left 0.6s ease;
}

.service-card:hover::after {
  left: 100%;
}

/* --- Selection --- */
::selection {
  background: rgba(108, 92, 231, 0.3);
  color: white;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: rgba(108, 92, 231, 0.3);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(108, 92, 231, 0.5);
}