/* ============================================
   THE LOFT IT SOLUTIONS - LAYOUT
   Grid system, navbar, footer, sections
   ============================================ */

/* ------------------------------------------
   BACKGROUND EFFECTS
   ------------------------------------------ */
.bg-glow {
  position: fixed;
  width: min(50vw, 600px);
  height: min(50vw, 600px);
  background: var(--gradient-glow);
  top: -10%;
  right: -10%;
  z-index: -1;
  pointer-events: none;
  will-change: transform;
}

.bg-glow2 {
  position: fixed;
  width: min(45vw, 500px);
  height: min(45vw, 500px);
  background: var(--gradient-glow-secondary);
  bottom: -10%;
  left: -10%;
  z-index: -1;
  pointer-events: none;
  will-change: transform;
}

@media (prefers-reduced-motion: reduce) {
  .bg-glow,
  .bg-glow2 {
    display: none;
  }
}

/* ------------------------------------------
   NAVBAR
   ------------------------------------------ */
.main-nav {
  width: 100%;
  padding: var(--space-4) var(--section-padding-x);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: fixed;
  top: 0;
  z-index: var(--z-navbar);
  background: rgba(3, 7, 18, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: 
    background-color var(--transition-base),
    backdrop-filter var(--transition-base),
    box-shadow var(--transition-base);
}

nav.scrolled {
  background: rgba(3, 7, 18, 0.95);
  backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.logo img {
  width: 55px;
  height: auto;
}

.logo h2 {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  letter-spacing: 1px;
}

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

.main-nav .nav-links {
  display: flex;
  gap: var(--space-8);
  align-items: center;
}

.main-nav .nav-links a {
  text-decoration: none;
  color: var(--color-text-primary);
  font-size: var(--text-base);
  transition: color var(--transition-fast);
  position: relative;
}

.main-nav .nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-base);
  border-radius: var(--radius-full);
}

.main-nav .nav-links a:hover,
.main-nav .nav-links a[aria-current="page"] {
  color: var(--color-accent);
}

.main-nav .nav-links a:hover::after,
.main-nav .nav-links a[aria-current="page"]::after {
  width: 100%;
}

/* Exclude button from active link color change */
.main-nav .nav-links a.btn,
.main-nav .nav-links a.btn:hover,
.main-nav .nav-links a.btn[aria-current="page"] {
  color: white;
}

.main-nav .nav-links a.btn::after,
.main-nav .nav-links a.btn:hover::after,
.main-nav .nav-links a.btn[aria-current="page"]::after {
  display: none;
}

/* Mobile menu toggle */
.main-nav .mobile-menu-toggle {
  display: none;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--color-border);
  cursor: pointer;
  padding: var(--space-3);
  z-index: calc(var(--z-navbar) + 1);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.main-nav .mobile-menu-toggle:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--color-border-hover);
}

.hamburger {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--color-text-primary);
  position: relative;
  transition: background var(--transition-fast);
  border-radius: var(--radius-full);
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2.5px;
  background: var(--color-text-primary);
  transition: transform var(--transition-fast), top var(--transition-fast);
  border-radius: var(--radius-full);
  left: 0;
}

.hamburger::before { top: -8px; }
.hamburger::after { top: 8px; }

.mobile-menu-toggle[aria-expanded="true"] .hamburger {
  background: transparent;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger::before {
  transform: rotate(45deg);
  top: 0;
  background: var(--color-accent);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger::after {
  transform: rotate(-45deg);
  top: 0;
  background: var(--color-accent);
}

@media (max-width: 950px) {
  .main-nav .mobile-menu-toggle {
    display: block;
  }

  /* Backdrop overlay */
  .main-nav .nav-links::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: -1;
  }

  .main-nav .nav-links.active::before {
    opacity: 1;
    pointer-events: auto;
  }

  .main-nav .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    height: 100%;
    height: 100svh;
    width: min(340px, 85vw);
    background: var(--color-bg-secondary);
    border-left: 1px solid var(--color-border);
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    padding: calc(70px + var(--space-8)) var(--space-8) var(--space-12);
    gap: var(--space-2);
    transform: translateX(100%);
    opacity: 1;
    pointer-events: none;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: calc(var(--z-navbar) - 1);
    overflow-y: auto;
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.4);
    -webkit-overflow-scrolling: touch;
  }

  .main-nav .nav-links.active {
    transform: translateX(0);
    pointer-events: auto;
  }

  .main-nav .nav-links a {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    padding: var(--space-5) var(--space-6);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    transition: 
      background var(--transition-fast),
      color var(--transition-fast);
    position: relative;
    min-height: 52px;
  }

  .main-nav .nav-links a::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-accent);
    opacity: 0;
    transition: opacity var(--transition-fast);
    flex-shrink: 0;
  }

  .main-nav .nav-links a:hover,
  .main-nav .nav-links a[aria-current="page"] {
    background: rgba(14, 165, 255, 0.08);
    color: var(--color-accent);
  }

  .main-nav .nav-links a:hover::before,
  .main-nav .nav-links a[aria-current="page"]::before {
    opacity: 1;
  }

  .main-nav .nav-links a::after {
    display: none;
  }

  .main-nav .nav-links .btn {
    margin-top: var(--space-6);
    width: 100%;
    justify-content: center;
    font-size: var(--text-lg);
    padding: var(--space-4) var(--space-6);
    min-height: 52px;
  }

  /* Menu header with close hint */
  .main-nav .nav-links::after {
    content: 'Menu';
    position: absolute;
    top: calc(70px + var(--space-4));
    left: var(--space-8);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    pointer-events: none;
  }
}

/* ------------------------------------------
   FOOTER
   ------------------------------------------ */
.footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-20) var(--section-padding-x) var(--space-8);
  background: rgba(3, 7, 18, 0.7);
  flex-shrink: 0;
  margin-top: auto;
  position: relative;
  z-index: var(--z-base);
}

.footer-container {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
  align-items: start;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.footer-logo img {
  width: 55px;
}

.footer-logo h3 {
  font-size: var(--text-xl);
  letter-spacing: 1px;
  font-weight: var(--font-semibold);
}

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

.footer-brand p {
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  max-width: 400px;
  font-size: var(--text-sm);
}

.footer-links,
.footer-contact {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.footer-links h4,
.footer-contact h4 {
  margin-bottom: var(--space-5);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  font-weight: var(--font-semibold);
}

.footer-links a,
.footer-contact a {
  color: var(--color-text-muted);
  text-decoration: none;
  margin-bottom: var(--space-3);
  transition: color var(--transition-fast);
  font-size: var(--text-sm);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: var(--space-6);
  text-align: center;
}

.footer-bottom p {
  color: var(--color-text-dim);
  font-size: var(--text-sm);
}

@media (max-width: 950px) {
  .footer-container {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
  }
}

@media (max-width: 650px) {
  .footer-container {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer {
    padding-top: var(--space-16);
  }
}

/* ------------------------------------------
   HERO SECTION (Shared)
   ------------------------------------------ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 140px var(--section-padding-x) var(--space-20);
  gap: var(--space-16);
  position: relative;
}

.hero-content {
  max-width: 650px;
  flex: 1;
}

.hero-content h1 {
  font-size: var(--text-6xl);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-6);
  font-weight: var(--font-bold);
}

.hero-content p {
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
  font-size: var(--text-lg);
}

.hero-buttons {
  display: flex;
  gap: var(--space-5);
  flex-wrap: wrap;
}

.hero-card {
  width: 100%;
  max-width: 420px;
  min-width: 0;
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-3xl);
  padding: var(--space-10);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-glow);
  position: relative;
  overflow: hidden;
}

.hero-card::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -50%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(14, 165, 255, 0.18), transparent 70%);
  pointer-events: none;
}

.hero-card h3 {
  margin-bottom: var(--space-5);
  font-size: var(--text-2xl);
  font-weight: var(--font-semibold);
}

.hero-card ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.hero-card li {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  color: #dbeafe;
  font-size: var(--text-base);
}

.hero-card li::before {
  content: "✓";
  color: var(--color-accent);
  font-weight: var(--font-bold);
  font-size: var(--text-lg);
  flex-shrink: 0;
}

@media (max-width: 950px) {
  .hero {
    flex-direction: column;
    text-align: center;
    padding-top: 120px;
  }

  .hero-content h1 {
    font-size: var(--text-5xl);
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-card {
    max-width: 100%;
    order: -1;
  }
}

@media (max-width: 600px) {
  .hero-content h1 {
    font-size: var(--text-4xl);
  }

  .hero-card {
    padding: var(--space-6);
  }
}

/* ------------------------------------------
   CTA SECTION (Shared)
   ------------------------------------------ */
.cta-section {
  text-align: center;
  background: linear-gradient(
    135deg,
    rgba(14, 165, 255, 0.15),
    rgba(37, 99, 235, 0.15)
  );
  border: 1px solid var(--color-border);
  border-radius: var(--radius-3xl);
  padding: var(--space-16) var(--space-10);
}

.cta-section h2 {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-5);
  font-weight: var(--font-bold);
}

.cta-section p {
  color: var(--color-text-secondary);
  max-width: 700px;
  margin: 0 auto var(--space-8);
  line-height: var(--leading-relaxed);
  font-size: var(--text-lg);
}

@media (max-width: 600px) {
  .cta-section {
    padding: var(--space-10) var(--space-6);
  }

  .cta-section h2 {
    font-size: var(--text-3xl);
  }
}

/* ------------------------------------------
   PROCESS SECTION
   ------------------------------------------ */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-8);
}

.process-card {
  composes: card;
  position: relative;
}

.process-card .step-number {
  font-size: 3rem;
  font-weight: var(--font-bold);
  color: rgba(14, 165, 255, 0.15);
  display: block;
  margin-bottom: var(--space-4);
  line-height: 1;
}

.process-card h3 {
  margin-bottom: var(--space-3);
  font-size: var(--text-xl);
}

.process-card p {
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* ------------------------------------------
   TECH STACK
   ------------------------------------------ */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-5);
}

.tech-card {
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
  font-weight: var(--font-semibold);
  transition: 
    border-color var(--transition-base),
    transform var(--transition-base);
  font-size: var(--text-sm);
}

.tech-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-5px);
}