/* ============================================================
   ALEX MERCER PORTFOLIO — responsive.css (Light Theme)
   Mobile-first breakpoints: 1024px, 768px, 480px
   ============================================================ */

/* ===================== LARGE DESKTOP (>1200px) ===================== */
@media (min-width: 1201px) {
  .container {
    padding: 0 40px;
  }
}

/* ===================== TABLET-LANDSCAPE (≤1024px) ===================== */
@media (max-width: 1024px) {

  /* Nav */
  .nav-link {
    padding: 8px 10px;
    font-size: 0.86rem;
  }

  /* About grid */
  .about-hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about-hero-text .hero-headline {
    text-align: center;
  }

  .about-hero-text .hero-subheadline {
    text-align: center;
    margin: 0 auto 36px;
  }

  .about-hero-text .hero-ctas {
    justify-content: center;
  }

  .avatar-card-inner {
    max-width: 420px;
    margin: 0 auto;
  }

  /* Services detail */
  .service-detail-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .service-detail-grid--reverse {
    direction: ltr;
  }

  /* Project body */
  .project-body {
    grid-template-columns: 1fr 1fr;
  }

  .project-results {
    grid-column: 1 / -1;
  }

  /* Contact */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  /* Stats bar */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
  }

  .stat-item:nth-child(2)::after {
    display: none;
  }

  .stat-item:nth-child(3)::after {
    display: block;
  }

  .stat-item:nth-child(1),
  .stat-item:nth-child(2) {
    border-bottom: 1px solid var(--border);
    padding-bottom: 28px;
  }

  .stat-item:nth-child(3),
  .stat-item:nth-child(4) {
    padding-top: 28px;
  }

  /* Skills grid */
  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* CTA banner */
  .cta-banner-inner {
    flex-direction: column;
    text-align: center;
    gap: 28px;
  }
}

/* ===================== TABLET-PORTRAIT (≤768px) ===================== */
@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }

  /* Hero */
  .hero {
    padding: calc(var(--nav-height) + 32px) 16px 100px;
  }

  .hero-headline {
    letter-spacing: -0.018em;
  }

  .hero-ctas {
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }

  .hero-ctas .btn {
    width: 100%;
    max-width: 320px;
    justify-content: center;
  }

  /* Stats */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-item:not(:last-child)::after {
    display: none;
  }

  .stat-item:nth-child(1),
  .stat-item:nth-child(2) {
    border-bottom: 1px solid var(--border);
  }

  .stat-item {
    padding: 20px 12px;
  }

  /* Services grid → single column */
  .services-grid {
    grid-template-columns: 1fr;
  }

  /* Testimonials */
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  /* CTA banner */
  .cta-banner-inner {
    flex-direction: column;
    text-align: center;
    padding: 36px 24px;
  }

  .cta-banner-inner .btn {
    width: 100%;
    justify-content: center;
  }

  /* Timeline */
  .timeline::before {
    left: 16px;
  }

  .timeline-marker {
    width: auto;
    flex-direction: row;
    align-items: center;
    flex-shrink: 0;
    padding-top: 4px;
    gap: 0;
  }

  .timeline-year {
    display: none;
  }

  .timeline-dot {
    margin: 0;
  }

  .timeline-item {
    gap: 16px;
  }

  .timeline-content {
    padding: 16px 20px;
  }

  /* Skills grid */
  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  /* Project body */
  .project-body {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .project-card-inner {
    padding: 24px 20px;
  }

  .project-card-header {
    gap: 16px;
  }

  .project-icon-wrap {
    width: 48px;
    height: 48px;
    font-size: 1.15rem;
  }

  .result-metric {
    min-width: 100px;
  }

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

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

  /* About avatar */
  .about-hero-grid {
    grid-template-columns: 1fr;
  }

  .about-hero-text .hero-headline {
    text-align: center;
  }

  .about-hero-text .hero-subheadline {
    text-align: center;
    margin: 0 auto 28px;
  }

  .about-hero-text .hero-ctas {
    justify-content: center;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

  .footer-brand .nav-logo {
    justify-content: center;
  }

  .footer-nav ul {
    align-items: center;
  }

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

  .social-icons {
    justify-content: center;
  }
}

/* ===================== MOBILE (≤480px) ===================== */
@media (max-width: 480px) {
  :root {
    --nav-height: 58px;
  }

  /* Typography scale */
  .hero-headline {
    letter-spacing: -0.015em;
  }

  .section-title {
    margin-bottom: 10px;
  }

  /* Hero */
  .hero {
    padding: calc(var(--nav-height) + 24px) 16px 90px;
  }

  .hero-badge {
    font-size: 0.78rem;
    padding: 7px 14px;
  }

  .hero-scroll-indicator {
    bottom: 20px;
  }

  /* Buttons */
  .btn {
    padding: 13px 22px;
    font-size: 0.88rem;
  }

  .btn-large {
    padding: 15px 28px;
    font-size: 0.92rem;
  }

  /* Stats */
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0;
  }

  .stat-number {
    font-size: 2rem;
  }

  /* Services */
  .service-card {
    padding: 24px 18px;
  }

  .service-icon {
    width: 44px;
    height: 44px;
    font-size: 1.1rem;
  }

  /* Testimonials */
  .testimonial-card {
    padding: 24px 20px;
  }

  .testimonial-card blockquote {
    font-size: 0.92rem;
    padding-left: 14px;
  }

  /* Skills */
  .skills-grid {
    grid-template-columns: 1fr;
  }

  .skill-badge {
    padding: 13px 16px;
  }

  /* Tools */
  .tools-row {
    gap: 8px;
  }

  .tool-badge {
    padding: 8px 14px;
    font-size: 0.8rem;
  }

  /* Filter buttons */
  .filter-buttons {
    gap: 8px;
  }

  .filter-btn {
    padding: 8px 16px;
    font-size: 0.8rem;
  }

  /* Project card */
  .project-card-inner {
    padding: 20px 16px;
  }

  .project-title {
    font-size: 1.1rem;
  }

  .results-metrics {
    gap: 10px;
  }

  .result-number {
    font-size: 1.5rem;
  }

  .project-card-header {
    flex-direction: column;
    gap: 12px;
  }

  /* Contact details */
  .contact-detail-item {
    padding: 14px 16px;
  }

  .contact-form-card {
    padding: 20px 16px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  /* FAQ */
  .faq-question {
    padding: 16px 18px;
    font-size: 0.9rem;
  }

  .faq-item.open .faq-answer {
    padding: 0 18px 18px;
  }

  /* Section divider */
  .wave-divider svg {
    height: 40px;
  }

  /* CTA banner */
  .cta-banner-inner {
    padding: 32px 20px;
    border-radius: var(--radius-lg);
  }

  .cta-banner-inner::before {
    display: none;
  }

  /* Page intros */
  .page-intro {
    padding-top: calc(var(--nav-height) + 32px);
  }

  /* Avatar card */
  .avatar-stats {
    gap: 12px;
  }

  .ring-1 {
    width: 110px;
    height: 110px;
  }

  .ring-2 {
    width: 145px;
    height: 145px;
  }

  .ring-3 {
    width: 180px;
    height: 180px;
  }

  /* Footer */
  .social-icons {
    flex-wrap: wrap;
    justify-content: center;
  }

  .footer-grid {
    gap: 24px;
  }

  /* Tag pills */
  .project-footer-tags {
    gap: 6px;
  }

  .tag-pill {
    font-size: 0.74rem;
    padding: 4px 10px;
  }
}

/* ===================== VERY SMALL (≤360px) ===================== */
@media (max-width: 360px) {
  .hero-headline {
    font-size: clamp(1.8rem, 8vw, 2.4rem);
  }

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

  .stat-item:not(:last-child)::after {
    display: none;
  }

  .stat-item {
    border-bottom: 1px solid var(--border);
  }

  .stat-item:last-child {
    border-bottom: none;
  }

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

/* ===================== TOUCH / HOVER SEMANTICS ===================== */
@media (hover: none) and (pointer: coarse) {

  /* Disable hover-based transforms on touch devices to prevent sticky states */
  .glass-card:hover,
  .service-card:hover,
  .project-card:hover,
  .contact-detail-item:hover {
    transform: none;
  }

  /* Enlarge tap targets */
  .nav-link {
    padding: 12px 14px;
  }

  .btn {
    min-height: 48px;
  }

  .filter-btn {
    min-height: 44px;
  }

  .faq-question {
    min-height: 52px;
  }
}

/* ===================== REDUCED MOTION ===================== */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .blob {
    animation: none !important;
  }

  #cursor-glow {
    display: none !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* ===================== PRINT ===================== */
@media print {

  #scroll-progress,
  #cursor-glow,
  .hero-blobs,
  .hamburger {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  .site-header {
    position: static;
    box-shadow: none;
  }

  .btn {
    border: 1px solid #0D9488;
  }

  .glass-card {
    border: 1px solid #ccc;
    box-shadow: none;
  }
}