/* ========================================
   Evolve IT, LLC — Styles
   ======================================== */

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

:root {
  --color-bg: #0a0e17;
  --color-bg-alt: #111827;
  --color-surface: #1a2235;
  --color-surface-hover: #222d42;
  --color-border: #2a3550;
  --color-text: #e2e8f0;
  --color-text-muted: #94a3b8;
  --color-text-dim: #64748b;
  --color-primary: #3b82f6;
  --color-primary-dark: #2563eb;
  --color-primary-glow: rgba(59, 130, 246, 0.15);
  --color-accent: #06b6d4;
  --color-accent-glow: rgba(6, 182, 212, 0.15);
  --color-success: #22c55e;
  --color-error: #ef4444;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
  --transition: 0.25s ease;
}

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

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  color: var(--color-accent);
}

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

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

.hidden {
  display: none !important;
}


/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}

.nav.scrolled {
  border-bottom-color: var(--color-border);
  background: rgba(10, 14, 23, 0.95);
}

.nav-container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  display: flex;
  gap: 2px;
}

.logo-evolve {
  color: var(--color-text);
}

.logo-it {
  color: var(--color-primary);
}

.nav-logo:hover .logo-evolve {
  color: #fff;
}

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

.nav-links a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}

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

.nav-cta {
  background: var(--color-primary);
  color: #fff !important;
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: background var(--transition), transform var(--transition) !important;
}

.nav-cta:hover {
  background: var(--color-primary-dark) !important;
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}


/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(59, 130, 246, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 80% 20%, rgba(6, 182, 212, 0.08) 0%, transparent 50%);
}

.hero-content {
  position: relative;
  padding: 140px 24px 100px;
  max-width: 800px;
}

.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.text-gradient {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 580px;
  margin-bottom: 40px;
  line-height: 1.8;
}

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


/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 2px 12px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  color: #fff;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4);
  transform: translateY(-2px);
}

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

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-glow);
}

.btn-full {
  width: 100%;
}


/* --- Sections --- */
.section {
  padding: 100px 0;
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin-bottom: 56px;
  line-height: 1.75;
}


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

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.service-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.1);
}

.service-icon {
  width: 48px;
  height: 48px;
  color: var(--color-primary);
  margin-bottom: 20px;
}

.service-icon svg {
  width: 100%;
  height: 100%;
}

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.service-card > p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  margin-bottom: 20px;
  line-height: 1.7;
}

.service-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-features li {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  padding-left: 20px;
  position: relative;
}

.service-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}


/* --- Technology --- */
.technology {
  background: var(--color-bg-alt);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.tech-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: border-color var(--transition), transform var(--transition);
}

.tech-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
}

.tech-icon {
  width: 44px;
  height: 44px;
  color: var(--color-accent);
  margin-bottom: 20px;
}

.tech-icon svg {
  width: 100%;
  height: 100%;
}

.tech-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.tech-card p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  line-height: 1.7;
}


/* --- Process --- */
.process {
  background: var(--color-bg);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.process-step {
  position: relative;
  padding: 32px 24px;
}

.step-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-primary);
  opacity: 0.2;
  line-height: 1;
  margin-bottom: 16px;
}

.process-step h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.process-step p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}


/* --- About --- */
.about {
  background: var(--color-bg-alt);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  margin-top: 40px;
}

.about-lead {
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 20px;
  line-height: 1.7;
}

.about-text p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 16px;
  line-height: 1.75;
}

.about-values {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.value-item h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text);
}

.value-item p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}


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

.contact-wrapper {
  max-width: 640px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.form-group input,
.form-group textarea {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

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

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

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

.form-status {
  font-size: 0.9rem;
  text-align: center;
  padding: 4px 0;
}

.form-status.success {
  color: var(--color-success);
}

.form-status.error {
  color: var(--color-error);
}


/* --- Footer --- */
.footer {
  border-top: 1px solid var(--color-border);
  padding: 40px 0;
  background: var(--color-bg);
}

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

.footer-brand p {
  color: var(--color-text-dim);
  font-size: 0.82rem;
  margin-top: 8px;
}

.footer-links {
  display: flex;
  gap: 28px;
}

.footer-links a {
  color: var(--color-text-dim);
  font-size: 0.88rem;
}

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


/* --- Animations --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(24px);
}

.fade-in.visible {
  animation: fadeInUp 0.5s ease forwards;
}


/* --- Responsive --- */
@media (max-width: 968px) {
  .services-grid,
  .tech-grid {
    grid-template-columns: 1fr 1fr;
  }

  .process-steps {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

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

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

  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(10, 14, 23, 0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-links.open {
    display: flex;
  }

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

  .hero-content {
    padding: 120px 24px 80px;
  }

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

  .process-steps {
    grid-template-columns: 1fr;
  }

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

  .section {
    padding: 72px 0;
  }

  .footer-content {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }

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

  .hero-actions .btn {
    width: 100%;
    text-align: center;
  }
}