/* ============================================
   RCD VOCATIONAL, LLC - Professional Stylesheet
   ============================================ */

/* ----- CSS Custom Properties ----- */
:root {
  --color-primary: #0f172a;
  --color-primary-light: #1e293b;
  --color-primary-lighter: #334155;
  --color-accent: #06b6d4;
  --color-accent-dark: #0891b2;
  --color-accent-light: #22d3ee;
  --color-accent-gradient: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
  --color-accent-gradient-alt: linear-gradient(135deg, #8b5cf6 0%, #06b6d4 100%);
  --color-warm: #f59e0b;
  --color-warm-dark: #d97706;
  --color-success: #10b981;
  --color-text: #1e293b;
  --color-text-light: #475569;
  --color-text-muted: #94a3b8;
  --color-bg: #ffffff;
  --color-bg-alt: #f1f5f9;
  --color-bg-dark: #0b0f19;
  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;

  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -1px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 40px -4px rgba(0,0,0,0.12);
  --shadow-card: 0 4px 20px rgba(0,0,0,0.06);
  --shadow-card-hover: 0 12px 40px rgba(0,0,0,0.1);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --container: 1200px;
}

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

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

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

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

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

ul { list-style: none; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ----- Typography ----- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-primary);
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  background: rgba(6, 182, 212, 0.08);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-light);
  max-width: 600px;
  line-height: 1.7;
}

.text-center { text-align: center; }
.text-center .section-subtitle { margin: 0 auto; }

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--color-accent-gradient);
  color: #fff;
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(6, 182, 212, 0.45);
}

.btn-secondary {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.3);
}

.btn-secondary:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.08);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--color-accent-dark);
  border: 2px solid var(--color-accent);
}

.btn-outline:hover {
  background: var(--color-accent);
  color: #fff;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 10px 24px;
  font-size: 0.85rem;
}

/* ============== HEADER & NAVIGATION ============== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 18px 0;
  transition: all var(--transition);
}

.site-header.scrolled {
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 12px 0;
  box-shadow: 0 4px 30px rgba(0,0,0,0.15);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.5px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--color-accent-gradient);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.1rem;
  color: #fff;
}

.logo span {
  color: var(--color-accent-light);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  color: rgba(255,255,255,0.75);
  font-size: 0.9rem;
  font-weight: 500;
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
  border-radius: 2px;
}

.nav-links a:hover {
  color: #fff;
}

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

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

.mobile-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: #fff;
  border-radius: 4px;
  transition: all var(--transition);
  transform-origin: center;
}

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

.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: translateX(-10px);
}

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

/* ============== HERO SECTION ============== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--color-bg-dark);
  overflow: hidden;
}

.hero-bg-shapes {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.12;
}

.hero-shape-1 {
  top: -10%;
  right: -5%;
  width: 600px;
  height: 600px;
  background: #06b6d4;
  animation: floatShape 20s ease-in-out infinite;
}

.hero-shape-2 {
  bottom: -15%;
  left: -5%;
  width: 500px;
  height: 500px;
  background: #3b82f6;
  animation: floatShape 25s ease-in-out infinite reverse;
}

.hero-shape-3 {
  top: 40%;
  left: 50%;
  width: 300px;
  height: 300px;
  background: #8b5cf6;
  animation: floatShape 18s ease-in-out infinite;
}

@keyframes floatShape {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 750px;
  padding: 120px 0 80px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(6, 182, 212, 0.12);
  border: 1px solid rgba(6, 182, 212, 0.2);
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--color-accent-light);
  margin-bottom: 28px;
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

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

.hero-description {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 50px;
}

.hero-stats {
  display: flex;
  gap: 40px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.hero-stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: #fff;
}

.hero-stat-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  margin-top: 4px;
}

/* ============== ABOUT SECTION ============== */
.about {
  padding: 100px 0;
  background: var(--color-bg);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.about-image-placeholder {
  width: 100%;
  height: 450px;
  background: var(--color-accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.about-image-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.about-image-placeholder .icon-large {
  font-size: 4rem;
  color: rgba(255,255,255,0.15);
  position: absolute;
}

.about-image-placeholder .icon-large:nth-child(1) { top: 15%; left: 12%; }
.about-image-placeholder .icon-large:nth-child(2) { bottom: 20%; right: 15%; }
.about-image-placeholder .icon-large:nth-child(3) {
  font-size: 6rem;
  color: rgba(255,255,255,0.08);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.about-experience-badge {
  position: absolute;
  bottom: -24px;
  right: -24px;
  background: #fff;
  padding: 24px 28px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  text-align: center;
}

.about-experience-badge .number {
  font-size: 2rem;
  font-weight: 800;
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  line-height: 1;
}

.about-experience-badge .label {
  font-size: 0.8rem;
  color: var(--color-text-light);
  font-weight: 500;
  margin-top: 4px;
}

.about-text p {
  color: var(--color-text-light);
  margin-bottom: 20px;
  font-size: 1.05rem;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 28px;
}

.about-feature-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
}

.about-feature-item .check {
  width: 22px;
  height: 22px;
  background: rgba(16, 185, 129, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-success);
  font-size: 0.75rem;
  flex-shrink: 0;
}

/* ============== SERVICES SECTION ============== */
.services {
  padding: 100px 0;
  background: var(--color-bg-alt);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 50px;
}

.service-card {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  box-shadow: var(--shadow-card);
  transition: all var(--transition);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

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

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

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

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: rgba(6, 182, 212, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  transition: all var(--transition);
}

.service-card:hover .service-icon {
  background: var(--color-accent-gradient);
  color: #fff;
  transform: scale(1.05);
}

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

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

.service-card .learn-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-accent-dark);
  font-weight: 600;
  font-size: 0.9rem;
  margin-top: 20px;
  transition: gap var(--transition);
}

.service-card .learn-more .arrow {
  transition: transform var(--transition);
}

.service-card .learn-more:hover .arrow {
  transform: translateX(4px);
}

/* ============== WHY CHOOSE US ============== */
.why-choose {
  padding: 100px 0;
  background: var(--color-bg);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 50px;
}

.why-card {
  text-align: center;
  padding: 40px 24px;
  border-radius: var(--radius-md);
  transition: all var(--transition);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
}

.why-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.why-card .icon-circle {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  transition: all var(--transition);
}

.why-card:nth-child(1) .icon-circle { background: rgba(6, 182, 212, 0.1); color: #06b6d4; }
.why-card:nth-child(2) .icon-circle { background: rgba(139, 92, 246, 0.1); color: #8b5cf6; }
.why-card:nth-child(3) .icon-circle { background: rgba(16, 185, 129, 0.1); color: #10b981; }
.why-card:nth-child(4) .icon-circle { background: rgba(245, 158, 11, 0.1); color: #f59e0b; }

.why-card:hover .icon-circle {
  transform: scale(1.1);
}

.why-card h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.why-card p {
  color: var(--color-text-light);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ============== CTA SECTION ============== */
.cta-section {
  padding: 100px 0;
  background: var(--color-bg-dark);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-accent-gradient);
  opacity: 0.05;
}

.cta-content {
  position: relative;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta-content h2 {
  color: #fff;
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  margin-bottom: 16px;
}

.cta-content p {
  color: rgba(255,255,255,0.6);
  font-size: 1.1rem;
  margin-bottom: 32px;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============== CONTACT SECTION ============== */
.contact {
  padding: 100px 0;
  background: var(--color-bg-alt);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 50px;
  margin-top: 50px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(6, 182, 212, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.15rem;
  color: var(--color-accent-dark);
}

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

.contact-info-item p, .contact-info-item a {
  color: var(--color-text-light);
  font-size: 0.95rem;
  line-height: 1.6;
}

.contact-info-item a:hover {
  color: var(--color-accent-dark);
}

.contact-form {
  background: var(--color-bg);
  padding: 40px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 130px;
}

.form-submit {
  width: 100%;
  padding: 14px;
  justify-content: center;
  font-size: 1rem;
}

/* ============== FOOTER ============== */
.site-footer {
  background: var(--color-primary);
  color: rgba(255,255,255,0.6);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.8;
  max-width: 320px;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: 1rem;
  transition: all var(--transition);
}

.footer-social a:hover {
  background: var(--color-accent);
  color: #fff;
  transform: translateY(-2px);
}

.footer-column h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 20px;
}

.footer-column ul li {
  margin-bottom: 12px;
}

.footer-column ul li a {
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
  transition: all var(--transition);
}

.footer-column ul li a:hover {
  color: var(--color-accent-light);
  padding-left: 4px;
}

.footer-bottom {
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a {
  color: rgba(255,255,255,0.4);
}

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

/* ============== PAGE HEADER (subpages) ============== */
.page-header {
  padding: 160px 0 60px;
  background: var(--color-bg-dark);
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-accent-gradient);
  opacity: 0.08;
}

.page-header .container {
  position: relative;
  z-index: 1;
}

.page-header h1 {
  color: #fff;
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 12px;
}

.page-header p {
  color: rgba(255,255,255,0.6);
  font-size: 1.1rem;
  max-width: 600px;
}

/* ============== LEGAL PAGES (Privacy & Terms) ============== */
.legal-content {
  padding: 60px 0 100px;
  background: var(--color-bg);
}

.legal-content .container {
  max-width: 800px;
}

.legal-content .last-updated {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  background: var(--color-bg-alt);
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  margin-bottom: 40px;
}

.legal-section {
  margin-bottom: 40px;
}

.legal-section h2 {
  font-size: 1.4rem;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-border);
}

.legal-section h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
  margin-top: 24px;
  color: var(--color-primary-light);
}

.legal-section p {
  color: var(--color-text-light);
  font-size: 0.98rem;
  line-height: 1.8;
  margin-bottom: 16px;
}

.legal-section ul {
  list-style: disc;
  padding-left: 24px;
  margin-bottom: 16px;
}

.legal-section ul li {
  color: var(--color-text-light);
  font-size: 0.98rem;
  line-height: 1.8;
  margin-bottom: 8px;
}

/* ============== ANIMATIONS ============== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

.fade-in-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.stagger-item {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.stagger-item.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============== BACK TO TOP ============== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-accent-gradient);
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.35);
  z-index: 999;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.back-to-top.show {
  opacity: 1;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(6, 182, 212, 0.45);
}

/* ============== RESPONSIVE ============== */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

@media (max-width: 768px) {
  .mobile-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-primary);
    flex-direction: column;
    padding: 100px 40px 40px;
    gap: 24px;
    transition: right var(--transition-slow);
    box-shadow: -10px 0 40px rgba(0,0,0,0.3);
    z-index: 999;
    align-items: flex-start;
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links a {
    font-size: 1.1rem;
  }

  .nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 998;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
  }

  .nav-overlay.open {
    opacity: 1;
    pointer-events: auto;
  }

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

  .hero-stats {
    gap: 24px;
    flex-wrap: wrap;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-experience-badge {
    right: 0;
    bottom: -24px;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .why-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: 28px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .page-header {
    padding: 130px 0 50px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }

  .section-title { font-size: 1.5rem; }

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

  .hero-description { font-size: 1rem; }

  .about-features { grid-template-columns: 1fr; }

  .service-card { padding: 28px 20px; }
}