/* ============================================
   BYTENOTECHH — Complete Responsive Styles
   Mobile, Tablet, and Desktop Adaptive Engine
   ============================================ */

/* === Universal Viewport Safety & Touch Readiness === */
html,
body {
  max-width: 100%;
  overflow-x: clip;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
}

img,
svg,
canvas,
video,
iframe {
  max-width: 100%;
}

/* Hide mobile drawer CTA on desktop */
.nav-mobile-cta {
  display: none !important;
}

/* === Navigation Indicator on Touch Devices === */
@media (max-width: 1024px) {
  .nav-indicator {
    display: none !important;
  }
}

/* ============================================
   1. TABLET & LAPTOP (max-width: 1024px)
   ============================================ */
@media (max-width: 1024px) {
  /* Navigation Container & Alignment */
  .nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-xl);
  }

  .nav-logo {
    z-index: 10002;
    flex-shrink: 0;
  }

  .nav-menu {
    display: none;
  }

  /* Right-hand control cluster: push Theme Toggle and Hamburger together to the right */
  .nav-actions {
    margin-left: auto;
    margin-right: 10px;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    z-index: 10002;
    flex-shrink: 0;
  }

  /* Tablet CTA button (shown on tablets 641px - 1024px) */
  .nav-cta {
    display: inline-flex;
    font-size: 0.82rem;
    padding: 0.45rem 1.1rem;
    white-space: nowrap;
    border-radius: var(--radius-md);
  }

  .theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10002;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    flex-shrink: 0;
  }

  /* Touch-friendly Hamburger Button */
  .nav-hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    padding: 8px 6px;
    border-radius: var(--radius-md);
    background: var(--bg-glass);
    border: 1px solid var(--border-light);
    cursor: pointer;
    z-index: 10002;
    transition: all var(--duration-fast) var(--ease-out);
    flex-shrink: 0;
  }

  .nav-hamburger:hover {
    background: rgba(0, 166, 255, 0.12);
    border-color: rgba(0, 166, 255, 0.35);
  }

  .nav-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--duration-normal) var(--ease-out);
  }

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

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

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

  /* When mobile drawer is open, navbar container shouldn't trap fixed drawer */
  .navbar.menu-open {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    background: transparent !important;
    border-bottom-color: transparent !important;
    box-shadow: none !important;
  }

  /* Fullscreen Mobile / Tablet Menu Drawer */
  .nav-menu.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    background: #060a1d;
    background: radial-gradient(circle at 50% 18%, rgba(27, 11, 158, 0.45) 0%, #050819 75%);
    backdrop-filter: blur(24px) saturate(1.5);
    -webkit-backdrop-filter: blur(24px) saturate(1.5);
    justify-content: flex-start;
    align-items: center;
    padding: calc(var(--nav-height, 70px) + 2rem) var(--space-xl) 2.5rem;
    gap: var(--space-sm);
    z-index: 10000;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    animation: navDrawerFade 0.28s var(--ease-out) forwards;
  }

  [data-theme="light"] .nav-menu.open {
    background: #FFFFFF;
    background: radial-gradient(circle at 50% 18%, rgba(219, 234, 254, 0.85) 0%, #FAFAFF 75%);
  }

  .nav-menu.open .nav-link {
    font-size: 1.25rem;
    font-weight: var(--fw-semibold);
    color: var(--text-primary);
    padding: 12px 24px;
    width: 100%;
    max-width: 320px;
    text-align: center;
    border-radius: var(--radius-lg);
    transition: all 0.2s ease;
  }

  .nav-menu.open .nav-link:hover,
  .nav-menu.open .nav-link.active {
    background: rgba(0, 166, 255, 0.12);
    color: var(--accent-cyan-light, #38BDF8);
    border: 1px solid rgba(0, 166, 255, 0.22);
  }

  [data-theme="light"] .nav-menu.open .nav-link:hover,
  [data-theme="light"] .nav-menu.open .nav-link.active {
    background: rgba(27, 11, 158, 0.08);
    color: #1B0B9E;
    border-color: rgba(27, 11, 158, 0.2);
  }

  .nav-mobile-cta {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    max-width: 320px;
    margin-top: 1rem;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: var(--fw-semibold);
    box-shadow: 0 4px 20px rgba(0, 166, 255, 0.4);
  }

  /* Hero Section (Tablet) */
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    text-align: center;
  }

  .hero-content {
    max-width: 680px;
    margin: 0 auto;
    text-align: center;
  }

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

  .hero-visual {
    width: 440px;
    height: 440px;
    margin: 0 auto;
    position: relative;
  }

  :root {
    --orbit-r: 175px;
  }

  .hero-orbit-ring {
    width: calc(var(--orbit-r) * 2);
    height: calc(var(--orbit-r) * 2);
  }

  .hero-float-card {
    font-size: 0.72rem;
    padding: 4px 10px 4px 6px;
    gap: 6px;
  }

  /* Overview & Credentials (Tablet) */
  .overview-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    text-align: center;
  }

  .overview-text {
    max-width: 720px;
    margin: 0 auto;
  }

  .overview-features {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem 1.5rem;
    text-align: left;
    max-width: 620px;
    margin: var(--space-lg) auto 0;
  }

  .overview-visual {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-top: var(--space-xl);
  }

  /* Grid Layouts (Tablet) */
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }

  .industries-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }

  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }

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

  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .pricing-card.featured {
    transform: none;
  }

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

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
  }

  /* Timeline */
  .timeline::before {
    left: 28px;
  }

  .timeline-item,
  .timeline-item:nth-child(even) {
    padding-left: 64px;
    padding-right: 0;
    justify-content: flex-start;
  }

  .timeline-dot {
    left: 28px;
  }

  .timeline-content {
    margin: 0;
    max-width: 100%;
    width: 100%;
  }

  .certs-grid {
    justify-content: flex-start;
  }

  /* CTA Banner v2 (Tablet) */
  .cta-v2-wrapper {
    padding: 48px 32px;
  }

  .cta-v2-title {
    font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  }

  /* Dedicated Pages (Tablet) */
  .contact-layout-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .sp-container {
    grid-template-columns: 1fr;
    gap: 40px;
    max-width: 680px;
  }

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

  .sp-hero p {
    margin-left: auto;
    margin-right: auto;
  }

  .sp-features,
  .sp-trust {
    justify-content: center;
  }
}

/* ============================================
   2. MOBILE PHONES (max-width: 768px)
   ============================================ */
@media (max-width: 768px) {
  /* Containers & Spacing */
  .container {
    padding: 0 var(--space-lg);
  }

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

  .section-header {
    margin-bottom: var(--space-2xl);
  }

  .section-badge {
    font-size: 0.72rem;
    padding: 4px 12px;
  }

  /* Navbar */
  .navbar {
    height: 64px;
  }

  .nav-container {
    padding: 0 var(--space-lg);
  }

  .nav-logo-img {
    height: 34px;
    max-width: 195px;
  }

  .nav-actions {
    margin-left: auto;
    margin-right: 8px;
    gap: 8px;
  }

  .nav-cta {
    display: none !important;
  }

  /* Hero Section (Mobile) */
  .hero {
    padding-top: calc(var(--nav-height, 64px) + 1.25rem);
    padding-bottom: var(--space-2xl);
    overflow: hidden;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    text-align: center;
  }

  .hero-content {
    max-width: 100%;
    margin: 0 auto;
    text-align: center;
  }

  .hero-title {
    font-size: clamp(1.95rem, 7.8vw, 2.65rem);
    line-height: 1.2;
    margin-bottom: 0.85rem;
    letter-spacing: -0.02em;
  }

  .hero-description {
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0 auto 1.4rem;
    max-width: 480px;
  }

  .hero-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    width: 100%;
    max-width: 320px;
    margin: 0 auto;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
    min-height: 48px;
    font-size: 0.96rem;
  }

  /* Hero Visual & Butterfly Logo (Mobile) */
  .hero-visual {
    height: auto;
    min-height: 270px;
    width: 100%;
    max-width: 320px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
  }

  .particle-logo-container {
    width: 270px;
    height: 270px;
    max-width: 100%;
  }

  /* Hide spinning orbit on mobile to eliminate overlap and clutter */
  .hero-orbit-ring {
    display: none !important;
  }

  /* Adapt orbital technology capabilities into an elegant mobile badge cloud */
  .hero-orbit-container {
    position: relative;
    inset: auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-top: 14px;
    width: 100%;
    pointer-events: auto;
  }

  .hero-float-card {
    position: static !important;
    transform: none !important;
    animation: none !important;
    font-size: 0.72rem;
    font-weight: 500;
    padding: 5px 11px 5px 7px;
    border-radius: 999px;
    background: var(--card-bg, rgba(15, 23, 42, 0.85));
    border: 1px solid var(--border-color, rgba(168, 85, 247, 0.28));
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
  }

  .hex-icon-box {
    width: 20px;
    height: 20px;
    font-size: 0.65rem;
  }

  /* Overview & Credentials (Mobile) */
  .overview-features {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .overview-feature {
    font-size: 0.88rem;
    padding: 4px 0;
  }

  /* Never hide credentials on mobile — display as sleek 2x2 trust grid */
  .overview-visual {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    margin-top: 1.5rem;
  }

  .overview-stat-card {
    padding: 1.25rem 0.75rem;
    border-radius: var(--radius-lg);
  }

  .overview-stat-card i {
    font-size: 1.4rem;
    margin-bottom: 0.4rem;
  }

  .overview-stat-card h4 {
    font-size: 1.3rem;
  }

  .overview-stat-card p {
    font-size: 0.78rem;
    margin: 0;
  }

  /* Grids & Cards (Mobile) */
  .why-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .why-grid .card {
    padding: 1.5rem 1.25rem;
  }

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

  .services-grid .card {
    padding: 1.5rem 1.25rem;
  }

  .industries-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.85rem;
  }

  .industry-card {
    padding: 1.25rem 0.85rem;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .achievements-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.85rem;
  }

  .achievement-item {
    padding: 1rem 0.5rem;
  }

  .achievement-value {
    font-size: 1.75rem;
  }

  .blog-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

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

  .testimonials-wrapper {
    padding: 0;
  }

  /* CTA Banner v2 (Mobile) */
  .cta-v2-wrapper {
    padding: 36px 18px;
    border-radius: var(--radius-xl);
    overflow: hidden;
  }

  .cta-v2-title {
    font-size: clamp(1.4rem, 5.5vw, 1.85rem);
    line-height: 1.25;
    margin-bottom: 0.75rem;
  }

  .cta-v2-desc {
    font-size: 0.92rem;
    line-height: 1.55;
    margin-bottom: 1.5rem;
  }

  .cta-v2-actions {
    flex-direction: column;
    width: 100%;
    max-width: 320px;
    margin: 0 auto 1.5rem;
    gap: 0.75rem;
  }

  .cta-v2-actions .btn {
    width: 100%;
    justify-content: center;
    min-height: 48px;
    white-space: normal;
    text-align: center;
  }

  .cta-v2-trust-strip {
    flex-wrap: wrap;
    gap: 10px 14px;
    justify-content: center;
  }

  .cta-v2-trust-strip span {
    font-size: 0.75rem;
  }

  /* Corporate Contact Strip (Mobile) */
  .corporate-info-strip {
    padding: 2.25rem 0 1rem;
  }

  .corp-info-card {
    padding: 1.5rem 1.25rem;
    border-radius: var(--radius-lg);
  }

  .corp-company-name {
    font-size: 1.25rem;
    margin-bottom: 1.15rem;
  }

  .corp-details-grid {
    grid-template-columns: 1fr;
    gap: 1.15rem;
  }

  .corp-detail-text {
    font-size: 0.92rem;
    word-break: break-word;
  }

  /* Footer (Mobile) */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: var(--space-2xl) 0 var(--space-xl);
  }

  .footer-brand p {
    max-width: 100%;
  }

  .newsletter-form {
    flex-direction: column;
    gap: 0.6rem;
  }

  .newsletter-form input {
    width: 100%;
    min-height: 44px;
  }

  .newsletter-form button {
    width: 100%;
    min-height: 44px;
    justify-content: center;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  .footer-bottom-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem 1.25rem;
  }

  .scroll-top {
    width: 42px;
    height: 42px;
    bottom: 18px;
    right: 16px;
  }

  /* Dedicated Services Page (Mobile) */
  .services-hero {
    padding: calc(var(--nav-height, 64px) + 1.5rem) 0 2rem;
  }

  .services-hero h1 {
    font-size: clamp(1.85rem, 6.5vw, 2.5rem);
    line-height: 1.2;
    margin-bottom: 0.85rem;
  }

  .services-hero p {
    font-size: 0.95rem;
    line-height: 1.55;
  }

  .service-card-feature-list li {
    font-size: 0.86rem;
  }

  /* Dedicated About Page (Mobile) */
  .about-hero {
    padding: calc(var(--nav-height, 64px) + 1.5rem) 0 2rem;
  }

  .about-hero h1 {
    font-size: clamp(1.85rem, 6.5vw, 2.5rem);
    line-height: 1.2;
  }

  .about-hero p {
    font-size: 0.95rem;
  }

  .about-values-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .about-value-card {
    padding: 1.5rem 1.25rem;
  }

  /* Dedicated Contact Page (Mobile) */
  .contact-page-hero {
    padding: calc(var(--nav-height, 64px) + 1.5rem) 0 2rem;
  }

  .contact-page-hero h1 {
    font-size: clamp(1.85rem, 6.5vw, 2.5rem);
    line-height: 1.2;
  }

  .contact-page-hero p {
    font-size: 0.95rem;
  }

  .contact-layout-grid {
    grid-template-columns: 1fr;
    margin-top: 1rem;
    gap: 1.25rem;
  }

  .contact-card-box {
    padding: 1.6rem 1.25rem;
  }

  .contact-info-panel {
    padding: 1.5rem 1.25rem;
  }

  .trust-badges-row {
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    margin-top: 1.25rem;
    padding-top: 1.25rem;
  }

  .trust-badge-item {
    font-size: 0.72rem;
  }

  .trust-badge-item i {
    font-size: 1.15rem;
  }

  .map-card-box {
    height: 220px;
  }

  /* Start Project Page (Mobile) */
  .sp-main {
    padding: 76px 16px 36px;
  }

  .sp-hero h1 {
    font-size: clamp(1.85rem, 6.5vw, 2.4rem);
    line-height: 1.2;
  }

  .sp-features {
    gap: 6px;
  }

  .sp-feature-chip {
    font-size: 0.75rem;
    padding: 5px 11px;
  }

  .sp-trust {
    gap: 16px;
  }

  .sp-trust-value {
    font-size: 1.6rem;
  }

  .sp-form-card {
    padding: 20px 16px;
    border-radius: var(--radius-xl);
  }

  .sp-submit-btn {
    width: 100%;
    min-height: 48px;
    font-size: 0.95rem;
  }

  /* Contact Modal Dialog (Mobile) */
  .cm-dialog {
    width: calc(100vw - 20px) !important;
    max-width: 520px !important;
    max-height: 90vh !important;
    max-height: 90dvh !important;
    padding: 1.75rem 1.2rem 1.35rem !important;
    border-radius: var(--radius-xl) !important;
  }

  .cm-header h2 {
    font-size: 1.45rem;
  }

  .cm-subtitle {
    font-size: 0.85rem;
  }

  .cm-service-chip {
    font-size: 0.75rem;
    padding: 6px 9px;
  }
}

/* ============================================
   3. SMALL MOBILE SCREENS (max-width: 480px)
   ============================================ */
@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }

  .nav-container {
    padding: 0 var(--space-md);
  }

  .nav-logo-img {
    height: 30px;
    max-width: 170px;
  }

  .nav-actions {
    margin-left: auto;
    margin-right: 6px;
    gap: 6px;
  }

  .theme-toggle {
    width: 36px;
    height: 36px;
    font-size: 0.9rem;
  }

  .nav-hamburger {
    width: 38px;
    height: 38px;
    padding: 7px 5px;
  }

  .nav-hamburger span {
    width: 20px;
  }

  .hero-title {
    font-size: clamp(1.8rem, 8.2vw, 2.3rem);
    line-height: 1.22;
  }

  .hero-description {
    font-size: 0.9rem;
    line-height: 1.55;
  }

  .particle-logo-container {
    width: 240px;
    height: 240px;
  }

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

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

  .hero-stats {
    gap: var(--space-md);
  }

  .hero-badge {
    font-size: var(--fs-tiny);
  }

  .section-badge {
    font-size: 10px;
    padding: 3px 10px;
  }

  /* Start Project Top Bar */
  .sp-back {
    padding: 8px 14px;
    font-size: 0.8rem;
  }

  /* Legal Pages */
  .legal-hero {
    padding: calc(var(--nav-height, 64px) + 1.2rem) 0 1.75rem;
  }

  .legal-hero h1 {
    font-size: 1.75rem;
  }

  .legal-content {
    padding: 2rem 0 3.5rem;
  }

  .legal-content h2 {
    font-size: 1.25rem;
    margin: 1.75rem 0 0.75rem;
  }

  .legal-content h3 {
    font-size: 1.05rem;
  }

  .legal-content p,
  .legal-content li {
    font-size: 0.92rem;
  }
}

/* === Animations === */
@keyframes navDrawerFade {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}