/* =========================================================
   styles.css — Andrew Graham Personal Portfolio
   ========================================================= */

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

:root {
  --clr-bg: #0f0f0f;
  --clr-surface: #1a1a2e;
  --clr-accent: #e94560;
  --clr-accent2: #0f3460;
  --clr-text: #e0e0e0;
  --clr-muted: #a0a0b0;
  --clr-white: #ffffff;

  --font-sans: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --radius: 8px;
  --transition: 0.3s ease;
  --max-width: 1100px;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.7;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

/* ---------- Utility ---------- */
.container {
  width: min(var(--max-width), 90%);
  margin-inline: auto;
}

.highlight {
  color: var(--clr-accent);
}

.section {
  padding: 80px 0;
}

.section-alt {
  background-color: var(--clr-surface);
}

.section-title {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 48px;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 56px;
  height: 4px;
  background: var(--clr-accent);
  border-radius: 2px;
  margin: 12px auto 0;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  cursor: pointer;
  transition: opacity var(--transition), transform var(--transition);
  border: 2px solid transparent;
}

.btn:hover {
  opacity: 0.85;
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--clr-accent);
  color: var(--clr-white);
}

.btn-secondary {
  background: var(--clr-accent2);
  color: var(--clr-white);
  border-color: rgba(255, 255, 255, 0.18);
}

.btn-outline {
  background: transparent;
  border-color: var(--clr-accent);
  color: var(--clr-accent);
}

.btn-sm {
  padding: 0.4rem 1rem;
  font-size: 0.875rem;
  background: var(--clr-accent);
  color: var(--clr-white);
}

/* ---------- Navbar ---------- */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(15, 15, 15, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(var(--max-width), 90%);
  margin-inline: auto;
  padding: 16px 0;
}

.logo {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--clr-accent);
  letter-spacing: 1px;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  gap: 24px;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--clr-accent);
  transition: width var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--clr-accent);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: radial-gradient(ellipse at center, var(--clr-accent2) 0%, var(--clr-bg) 70%);
  padding: 40px 20px;
}

.hero-content h1 {
  font-size: clamp(2rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 14px;
}

/* Desktop: separators visible, line breaks hidden */
.tagline-sep {
  display: inline;
}

.tagline-break {
  display: none;
}

.tagline {
  font-size: 1.15rem;
  color: var(--clr-muted);
  margin-bottom: 20px;
  letter-spacing: 2px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: center;
  margin-bottom: 32px;
  font-size: 0.95rem;
  color: var(--clr-muted);
}

.hero-meta a {
  color: var(--clr-accent);
  transition: opacity var(--transition);
}

.hero-meta a:hover {
  opacity: 0.8;
}

.hero-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 48px;
  align-items: start;
}

.about-img img {
  width: 200px;
  height: 200px;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid var(--clr-accent);
}

.about-text p {
  color: var(--clr-muted);
  margin-bottom: 16px;
  font-size: 1rem;
}

.about-text strong {
  color: var(--clr-text);
}

/* ---------- Experience / Timeline ---------- */
.timeline {
  position: relative;
  padding-left: 32px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--clr-accent), var(--clr-accent2));
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  margin-bottom: 44px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: -28px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--clr-accent);
  border: 3px solid var(--clr-bg);
  box-shadow: 0 0 0 2px var(--clr-accent);
}

.timeline-content {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius);
  padding: 24px 28px;
  transition: border-color var(--transition);
}

.timeline-content:hover {
  border-color: rgba(233, 69, 96, 0.3);
}

.timeline-header {
  margin-bottom: 14px;
}

.timeline-header h3 {
  font-size: 1.15rem;
  color: var(--clr-white);
  margin-bottom: 4px;
}

.timeline-company {
  font-size: 0.95rem;
  color: var(--clr-accent);
  font-weight: 600;
  margin-right: 12px;
}

.timeline-date {
  font-size: 0.85rem;
  color: var(--clr-muted);
}

.timeline-bullets {
  list-style: disc;
  padding-left: 18px;
  margin-bottom: 16px;
}

.timeline-bullets li {
  color: var(--clr-muted);
  font-size: 0.95rem;
  margin-bottom: 6px;
  line-height: 1.6;
}

.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.timeline-tags span {
  background: rgba(15, 52, 96, 0.6);
  border: 1px solid rgba(233, 69, 96, 0.25);
  color: var(--clr-text);
  font-size: 0.78rem;
  padding: 3px 10px;
  border-radius: 12px;
}

/* ---------- Projects ---------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}

.project-card {
  background: var(--clr-surface);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(233, 69, 96, 0.2);
}

.project-icon {
  font-size: 2rem;
}

.project-card h3 {
  font-size: 1.15rem;
  color: var(--clr-white);
}

.project-card>p {
  color: var(--clr-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.project-detail-list {
  list-style: disc;
  padding-left: 18px;
}

.project-detail-list li {
  color: var(--clr-muted);
  font-size: 0.88rem;
  margin-bottom: 6px;
  line-height: 1.55;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
}

.project-tags span {
  background: rgba(233, 69, 96, 0.15);
  border: 1px solid rgba(233, 69, 96, 0.3);
  color: var(--clr-accent);
  font-size: 0.78rem;
  padding: 3px 10px;
  border-radius: 12px;
  font-weight: 500;
}

.project-links {
  display: flex;
  gap: 12px;
}

/* Coming-soon project card variant */
.project-card--coming-soon {
  border-style: dashed;
  border-color: rgba(255, 255, 255, 0.12);
  opacity: 0.75;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.project-card--coming-soon:hover {
  opacity: 1;
  border-color: rgba(233, 69, 96, 0.4);
  box-shadow: 0 12px 30px rgba(233, 69, 96, 0.12);
}

.project-card--coming-soon .project-icon {
  font-size: 2.6rem;
}

.coming-soon-label {
  display: inline-block;
  background: rgba(233, 69, 96, 0.15);
  border: 1px solid rgba(233, 69, 96, 0.35);
  color: var(--clr-accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 3px 12px;
  border-radius: 12px;
  margin-bottom: 4px;
}

/* ---------- Skills ---------- */
.skills-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
}

.skill-category {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius);
  padding: 24px 20px;
}

.skill-category-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-accent);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-bottom: 1px solid rgba(233, 69, 96, 0.2);
  padding-bottom: 8px;
}

.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.skills-list li {
  background: var(--clr-accent2);
  color: var(--clr-white);
  padding: 5px 14px;
  border-radius: 16px;
  font-size: 0.88rem;
  font-weight: 500;
  transition: background var(--transition);
}

.skills-list li:hover {
  background: var(--clr-accent);
  cursor: default;
}

/* ---------- Certifications ---------- */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.cert-card {
  background: var(--clr-surface);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
  transition: transform var(--transition), border-color var(--transition);
}

.cert-card:hover {
  transform: translateY(-4px);
  border-color: rgba(233, 69, 96, 0.35);
}

.cert-icon {
  font-size: 2rem;
  margin-bottom: 10px;
}

.cert-card h4 {
  font-size: 0.95rem;
  color: var(--clr-white);
  margin-bottom: 6px;
  line-height: 1.4;
}

.cert-card p {
  font-size: 0.83rem;
  color: var(--clr-muted);
}

/* ---------- Contact ---------- */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 48px;
  align-items: start;
}

.contact-info p {
  color: var(--clr-muted);
  margin-bottom: 24px;
  font-size: 1rem;
  line-height: 1.7;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-details li {
  color: var(--clr-muted);
  font-size: 0.95rem;
}

.contact-details a {
  color: var(--clr-accent);
  transition: opacity var(--transition);
}

.contact-details a:hover {
  opacity: 0.8;
}

.contact-form {
  width: 100%;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  color: var(--clr-muted);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: var(--clr-bg);
  color: var(--clr-text);
  font-size: 1rem;
  transition: border-color var(--transition);
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--clr-accent);
}

.form-status {
  margin-top: 14px;
  font-size: 0.95rem;
  min-height: 1.4em;
  transition: color 0.2s ease;
}

.form-status--error {
  color: #e94560;
}

.form-status--success {
  color: #4caf50;
}

.form-status--info {
  color: #a0a0b0;
}

/* ---------- Honeypot (hidden from real users, visible to bots) ---------- */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  tab-index: -1;
}

/* ---------- Success Animation Overlay ---------- */
.success-overlay {
  opacity: 0;
  transform: translateY(20px) scale(0.96);
  transition: opacity 0.45s ease, transform 0.45s ease;
  pointer-events: none;
  margin-top: 24px;
}

.success-overlay.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.success-box {
  background: linear-gradient(135deg, rgba(15, 52, 96, 0.7) 0%, rgba(26, 26, 46, 0.9) 100%);
  border: 1px solid rgba(233, 69, 96, 0.35);
  border-radius: 12px;
  padding: 36px 28px;
  text-align: center;
  max-width: 480px;
  margin-inline: auto;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

/* Animated SVG checkmark */
.success-checkmark {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
}

.checkmark-svg {
  width: 100%;
  height: 100%;
}

.checkmark-circle {
  stroke: #4caf50;
  stroke-width: 2;
  stroke-dasharray: 166;
  stroke-dashoffset: 166;
  animation: stroke-circle 0.6s cubic-bezier(0.65, 0, 0.45, 1) 0.2s forwards;
}

.checkmark-tick {
  stroke: #4caf50;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 48;
  stroke-dashoffset: 48;
  animation: stroke-tick 0.4s cubic-bezier(0.65, 0, 0.45, 1) 0.75s forwards;
}

@keyframes stroke-circle {
  to {
    stroke-dashoffset: 0;
  }
}

@keyframes stroke-tick {
  to {
    stroke-dashoffset: 0;
  }
}

.success-title {
  font-size: 1.4rem;
  color: var(--clr-white);
  margin-bottom: 10px;
}

.success-msg {
  color: var(--clr-muted);
  font-size: 0.97rem;
  margin-bottom: 22px;
  line-height: 1.6;
}

.success-close {
  font-size: 0.9rem;
  padding: 0.5rem 1.4rem;
}

/* ---------- Footer ---------- */
footer {
  text-align: center;
  padding: 36px 20px;
  background-color: var(--clr-surface);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--clr-muted);
  font-size: 0.9rem;
}

footer p {
  margin-bottom: 10px;
}

.social-links {
  display: flex;
  gap: 24px;
  justify-content: center;
}

.social-links a {
  color: var(--clr-muted);
  transition: color var(--transition);
  font-weight: 500;
}

.social-links a:hover {
  color: var(--clr-accent);
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    gap: 14px;
    font-size: 0.82rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about-img {
    display: flex;
    justify-content: center;
  }

  .timeline {
    padding-left: 24px;
  }

  .timeline-content {
    padding: 18px 16px;
  }

  .hero-meta {
    flex-direction: column;
    gap: 8px;
    align-items: center;
  }

  .skills-categories {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .logo {
    font-size: 1rem;
  }

  .nav-links {
    gap: 10px;
    font-size: 0.76rem;
  }

  .skills-categories {
    grid-template-columns: 1fr;
  }

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

  .hero-btns {
    flex-direction: column;
    align-items: center;
  }
}

/* ── Hamburger button (hidden on desktop, shown on mobile) ─────────────────── */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 4px;
  z-index: 200;
  flex-shrink: 0;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease, background 0.3s ease;
}

/* Animated ☰ → ✕ when open */
.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── Mobile navigation breakpoint ──────────────────────────────────────────── */
@media (max-width: 640px) {

  /* Tagline: hide separators, show line breaks */
  .tagline-sep {
    display: none;
  }

  .tagline-break {
    display: block;
  }

  /* Show hamburger, hide the link list by default */
  .nav-toggle {
    display: flex;
  }

  /* Nav list slides down from the header when .open is toggled by JS */
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: rgba(15, 15, 15, 0.98);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding: 8px 0 16px;
    z-index: 99;
  }

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

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: block;
    padding: 12px 24px;
    font-size: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  }

  .nav-links a::after {
    display: none;
    /* hide the underline indicator on mobile */
  }
}

/* ── Download note (SmartScreen hint below .exe button) ────────────────────── */
.download-note {
  margin: 8px 0 0;
  font-size: 0.78rem;
  color: #a0a0b0;
  line-height: 1.4;
}

.download-note strong {
  color: #e0e0e0;
}

.download-note em {
  font-style: normal;
  color: #e94560;
  font-weight: 600;
}