/* =====================================================
   MOBILE STYLESHEET — Conrad Ang Portfolio
   Breakpoints:
     ≤ 768px  : tablets & large phones (primary mobile)
     ≤ 480px  : small phones
   Import AFTER style.css in <head>:
     <link rel="stylesheet" href="css/mobile.css" />
===================================================== */

/* =====================
   NAV
===================== */
@media (max-width: 768px) {
  nav {
    padding-block: var(--space-3);
  }

  .nav-links {
    display: none;
  }

  .nav-logo {
    font-size: var(--text-lg);
  }
}

/* =====================
   HERO
===================== */
@media (max-width: 768px) {
  #hero {
    padding-block: var(--space-16);
    padding-top: calc(var(--space-16) + var(--space-8));
    min-height: 100svh;
  }

  .hero-content {
    padding-inline: var(--space-2);
  }

  .hero-label {
    font-size: var(--text-xs);
    letter-spacing: 0.12em;
  }

  .hero-label::before,
  .hero-label::after {
    width: var(--space-5);
  }

  /* Tighten the line-height so the <br> between
     "Conrad" and "Ang" doesn't create a huge gap */
  .hero-name {
    font-size: clamp(2.6rem, 14vw, 4rem);
    letter-spacing: -0.03em;
    line-height: 1.0;
  }

  .hero-tagline {
    font-size: var(--text-base);
    max-width: 32ch;
  }

  .hero-pills {
    gap: var(--space-2);
  }

  .pill {
    font-size: 0.65rem;
    padding: var(--space-1) var(--space-3);
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
  }

  .btn {
    width: 100%;
    max-width: 20rem;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero-name {
    font-size: clamp(2.2rem, 16vw, 3.2rem);
    line-height: 1.0;
  }

  .hero-tagline {
    font-size: var(--text-sm);
  }

  .pill {
    font-size: 0.6rem;
    padding: 0.15rem var(--space-2);
  }
}

/* =====================
   SECTION (global)
   Section title accent word drops to its own line
   via a <br> injected by text-animations.js at
   split-time — no CSS hacks needed here.
===================== */
@media (max-width: 768px) {
  .section {
    padding-block: var(--space-12);
  }

  .section-title {
    font-size: clamp(1.6rem, 6vw, 2rem);
    line-height: 1.2;
  }

  .section-header {
    margin-bottom: var(--space-8);
  }
}

/* =====================
   ABOUT
===================== */
@media (max-width: 768px) {
  .about-layout {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  /*
    Child order in HTML:
      1. .about-pic-wrap
      2. .about-intro-label
      3. .about-intro-name  (the <br> live inside here after JS)
      4. hr.about-divider

    Grid: photo in col 1 spanning all rows,
    text items stacked in col 2.
  */
  .about-intro {
    position: static;
    display: grid;
    grid-template-columns: 7rem 1fr;
    grid-template-rows: auto auto auto;
    column-gap: var(--space-5);
    row-gap: 0;
    align-items: start;
  }

  .about-pic-wrap {
    grid-column: 1;
    grid-row: 1 / 4;
    width: 7rem;
    height: 7rem;
    margin-bottom: 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    align-self: start;
  }

  .about-profile-pic {
    width: 100%;
    height: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    object-position: center top;
  }

  .about-intro-label {
    grid-column: 2;
    grid-row: 1;
    margin-bottom: var(--space-2);
    font-size: var(--text-xs);
    padding-top: var(--space-1);
  }

  .about-intro-name {
    grid-column: 2;
    grid-row: 2;
    font-size: var(--text-lg);
    line-height: 1.15;
    margin-bottom: var(--space-3);
  }

  .about-divider {
    grid-column: 2;
    grid-row: 3;
    width: var(--space-8);
    align-self: start;
  }

  .about-body p {
    font-size: var(--text-sm);
    padding-left: var(--space-4);
    line-height: 1.8;
  }
}

@media (max-width: 480px) {
  .about-intro {
    grid-template-columns: 5.5rem 1fr;
    column-gap: var(--space-4);
  }

  .about-pic-wrap {
    width: 5.5rem;
    height: 5.5rem;
  }

  .about-intro-name {
    font-size: var(--text-md);
  }
}

/* =====================
   EXPERIENCE — TIMELINE
===================== */
@media (max-width: 768px) {
  .timeline {
    max-width: 100%;
  }

  .timeline-item {
    grid-template-columns: 1.75rem 1fr;
    gap: 0 var(--space-4);
  }

  .timeline-node {
    width: 1rem;
    height: 1rem;
    margin-top: 1rem;
  }

  .timeline-trigger {
    padding: var(--space-4) var(--space-4);
    gap: var(--space-3);
  }

  .timeline-role {
    font-size: var(--text-md);
  }

  .timeline-company {
    font-size: var(--text-sm);
  }

  .timeline-date {
    font-size: 0.65rem;
  }

  .timeline-chevron {
    font-size: var(--text-base);
  }

  .timeline-panel-inner {
    padding: var(--space-4) var(--space-4);
  }

  .timeline-panel .exp-bullets li {
    font-size: var(--text-xs);
    line-height: 1.65;
  }

  .exp-badge,
  .timeline-trigger .exp-badge {
    font-size: 0.6rem;
    padding: 1px var(--space-2);
  }

  .timeline-right {
    padding-bottom: var(--space-4);
  }
}

@media (max-width: 480px) {
  .timeline-item {
    grid-template-columns: 1.4rem 1fr;
    gap: 0 var(--space-3);
  }

  .timeline-node {
    width: 0.875rem;
    height: 0.875rem;
  }

  .timeline-trigger {
    padding: var(--space-3) var(--space-3);
  }

  .timeline-role {
    font-size: var(--text-base);
  }
}

/* =====================
   PROJECTS — CAROUSEL
===================== */
@media (max-width: 768px) {
  .project-card {
    min-width: clamp(16rem, 82vw, 22rem);
    max-width: clamp(16rem, 82vw, 22rem);
    padding: var(--space-6);
    gap: var(--space-3);
  }

  .project-title {
    font-size: var(--text-md);
  }

  .project-desc {
    font-size: var(--text-xs);
    line-height: 1.65;
  }

  .project-icon {
    width: var(--space-10);
    height: var(--space-10);
    font-size: var(--text-lg);
  }

  .carousel-controls {
    margin-top: var(--space-6);
    gap: var(--space-5);
  }

  .carousel-btn {
    width: 2.25rem;
    height: 2.25rem;
    font-size: var(--text-base);
  }

  .projects-carousel-wrapper::before,
  .projects-carousel-wrapper::after {
    width: 2.5rem;
  }

  .projects-carousel {
    padding-inline: var(--space-6);
    gap: var(--space-4);
  }
}

@media (max-width: 480px) {
  .project-card {
    min-width: clamp(15rem, 88vw, 18rem);
    max-width: clamp(15rem, 88vw, 18rem);
    padding: var(--space-5);
  }

  .projects-carousel {
    padding-inline: var(--space-4);
  }

  .projects-carousel-wrapper::before,
  .projects-carousel-wrapper::after {
    width: 1.5rem;
  }
}

/* =====================
   RESUME
===================== */
@media (max-width: 768px) {
  .resume-card {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-5);
    padding: var(--space-6);
  }

  .resume-card .btn {
    width: 100%;
    justify-content: center;
  }

  .resume-filename {
    font-size: var(--text-md);
  }
}

/* =====================
   CONTACT
===================== */
@media (max-width: 768px) {
  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .contact-info {
    padding-top: 0;
    gap: var(--space-6);
  }

  .contact-info-sub {
    font-size: var(--text-xs);
    line-height: 1.8;
  }

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

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

  .contact-availability {
    font-size: 0.65rem;
  }
}

@media (max-width: 480px) {
  .contact-form-card {
    padding: var(--space-5) var(--space-4);
  }

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

  .form-submit-row {
    flex-direction: column-reverse;
    align-items: stretch;
    gap: var(--space-3);
  }

  .form-status {
    text-align: center;
  }
}

/* =====================
   FOOTER
===================== */
@media (max-width: 480px) {
  .footer-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-2);
  }
}

/* =====================
   LAYOUT / CONTAINER
===================== */
@media (max-width: 768px) {
  :root {
    --page-padding: var(--space-5);
  }
}

@media (max-width: 480px) {
  :root {
    --page-padding: var(--space-4);
  }
}

/* =====================
   REDUCED MOTION
===================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}