/* =============================================================
   Taylor McGee — Portfolio
   styles.css
   ============================================================= */

/* ── Custom Properties ─────────────────────────────────────── */
:root {
  /* Colors */
  --color-bg:           #080b14;
  --color-bg-2:         #0d111e;
  --color-bg-3:         #111827;
  --color-surface:      #141928;
  --color-surface-2:    #1a2035;
  --color-border:       #1e2a45;
  --color-border-light: #253150;

  --color-accent:       #818cf8;   /* indigo-400 */
  --color-accent-dim:   #6366f1;   /* indigo-500 */
  --color-accent-glow:  rgba(129, 140, 248, 0.12);
  --color-accent-hover: rgba(129, 140, 248, 0.2);

  --color-teal:         #22d3ee;   /* subtle secondary */
  --color-teal-dim:     rgba(34, 211, 238, 0.08);

  --color-text:         #e2e8f0;
  --color-text-2:       #94a3b8;
  --color-text-3:       #64748b;

  /* Typography */
  --font-sans:  'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:  'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radius */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-xl:   16px;
  --radius-full: 9999px;

  /* Transitions */
  --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
  --ease-inout: cubic-bezier(0.4, 0, 0.2, 1);
  --duration-fast:   150ms;
  --duration-normal: 250ms;
  --duration-slow:   400ms;

  /* Layout */
  --container-max: 1100px;
  --container-pad: clamp(1.25rem, 5vw, 2.5rem);

  /* Nav height */
  --nav-h: 64px;
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: clamp(0.9375rem, 1vw + 0.75rem, 1.0625rem);
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol { list-style: none; }

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

h1, h2, h3, h4 {
  line-height: 1.15;
  font-weight: 700;
}

/* ── Utility ────────────────────────────────────────────────── */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}

.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.section-heading {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--color-text);
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}

.section-sub {
  color: var(--color-text-2);
  max-width: 52ch;
  margin-bottom: 0;
}

.section-header {
  margin-bottom: clamp(var(--space-10), 5vw, var(--space-16));
}

/* ── Scroll Reveal ──────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.6875rem 1.5rem;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition:
    background-color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-fast) var(--ease-out);
}

.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.btn--primary {
  background: var(--color-accent-dim);
  color: #fff;
  border: 1px solid transparent;
}

.btn--primary:hover {
  background: var(--color-accent);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.35);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border-light);
}

.btn--ghost:hover {
  background: var(--color-surface-2);
  border-color: var(--color-accent);
  transform: translateY(-1px);
}

/* ── Tags / Chips ───────────────────────────────────────────── */
.tag {
  display: inline-block;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
  background: var(--color-bg-3);
  border: 1px solid var(--color-border);
  color: var(--color-text-2);
  white-space: nowrap;
}

.chip {
  display: inline-block;
  padding: 0.35rem 0.875rem;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 500;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-2);
  transition:
    background-color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out);
  white-space: nowrap;
}

.chip:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent);
  color: var(--color-text);
}

/* ── Navigation ─────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  inset-inline: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: transparent;
  transition:
    background-color var(--duration-normal) var(--ease-out),
    border-color var(--duration-normal) var(--ease-out),
    backdrop-filter var(--duration-normal) var(--ease-out);
}

.site-header.is-scrolled {
  background: rgba(8, 11, 20, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

.nav-logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: var(--color-accent-glow);
  border: 1px solid var(--color-border-light);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-accent);
  letter-spacing: 0.02em;
}

.nav-logo-name {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-link {
  display: inline-block;
  padding: var(--space-2) var(--space-3);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-2);
  border-radius: var(--radius-sm);
  transition: color var(--duration-fast) var(--ease-out), background-color var(--duration-fast) var(--ease-out);
}

.nav-link:hover {
  color: var(--color-text);
  background: var(--color-surface);
}

.nav-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.nav-link--cta {
  margin-left: var(--space-3);
  padding: var(--space-2) var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  color: var(--color-text);
}

.nav-link--cta:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent);
  color: var(--color-text);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.nav-toggle-bar {
  display: block;
  height: 1.5px;
  background: var(--color-text-2);
  border-radius: 2px;
  transition: transform var(--duration-normal) var(--ease-out), opacity var(--duration-normal) var(--ease-out);
}

/* ── Hero ───────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: var(--nav-h);
}

/* Background effects */
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(30, 42, 69, 0.4) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 42, 69, 0.4) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 30%, transparent 100%);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
}

.hero-glow--1 {
  width: 600px;
  height: 400px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.18) 0%, transparent 70%);
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
}

.hero-glow--2 {
  width: 400px;
  height: 300px;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.1) 0%, transparent 70%);
  bottom: 20%;
  right: 15%;
}

/* Hero content */
.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 780px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
  padding-block: var(--space-20);
}

/* "Currently building" badge */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.35rem 0.875rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-light);
  background: var(--color-surface);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-2);
  letter-spacing: 0.05em;
}

.hero-badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 6px rgba(34, 197, 94, 0.8);
  animation: pulse 2.5s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 6px rgba(34, 197, 94, 0.8); }
  50%       { opacity: 0.6; box-shadow: 0 0 12px rgba(34, 197, 94, 0.4); }
}

/* Identity line */
.hero-identity {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  text-transform: uppercase;
}

/* Headline */
.hero-headline {
  font-size: clamp(2.25rem, 6vw + 1rem, 4.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-text);
  line-height: 1.08;
}

.hero-headline-accent {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-teal) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Subheading */
.hero-sub {
  font-size: clamp(1rem, 1.5vw + 0.75rem, 1.1875rem);
  color: var(--color-text-2);
  max-width: 52ch;
  line-height: 1.7;
}

/* CTAs */
.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  justify-content: center;
}

/* Scroll hint */
.hero-scroll-hint {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.hero-scroll-line {
  display: block;
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, transparent, var(--color-border-light));
  margin: auto;
  animation: scrollLine 2s ease infinite;
}

@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ── About ──────────────────────────────────────────────────── */
.about {
  border-top: 1px solid var(--color-border);
}

.about-grid {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: var(--space-16);
  align-items: start;
}

.about-label {
  padding-top: 0.35rem;
}

.about-content {
  max-width: 66ch;
}

.about-content p {
  color: var(--color-text-2);
  margin-bottom: var(--space-5);
}

.about-content p:last-of-type {
  margin-bottom: var(--space-10);
}

.about-stats {
  display: flex;
  gap: var(--space-10);
  flex-wrap: wrap;
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.about-stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.about-stat-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}

.about-stat-label {
  font-size: 0.8125rem;
  color: var(--color-text-3);
  font-family: var(--font-mono);
}

/* ── Featured Work ──────────────────────────────────────────── */
.work {
  background: var(--color-bg-2);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 440px), 1fr));
  gap: var(--space-5);
}

.work-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition:
    border-color var(--duration-normal) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out),
    transform var(--duration-normal) var(--ease-out);
}

.work-card:hover {
  border-color: var(--color-border-light);
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(129, 140, 248, 0.08);
  transform: translateY(-2px);
}

.work-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--color-accent-glow);
  border: 1px solid rgba(129, 140, 248, 0.2);
  color: var(--color-accent);
  flex-shrink: 0;
}

.work-card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.work-card-title {
  font-size: 1.1875rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.work-card-desc {
  color: var(--color-text-2);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.work-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.work-card-footer {
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.work-card-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-accent);
  transition: color var(--duration-fast) var(--ease-out);
}

.work-card-link:hover {
  color: var(--color-text);
}

.work-card-link--soon {
  color: var(--color-text-3);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}

/* ── Skills ─────────────────────────────────────────────────── */
.skills-groups {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  gap: var(--space-10) var(--space-12);
}

.skills-group-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-3);
  margin-bottom: var(--space-4);
}

.skills-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ── Current Focus ──────────────────────────────────────────── */
.focus {
  background: var(--color-bg-2);
  border-top: 1px solid var(--color-border);
}

.focus-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.focus-item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: var(--space-6);
  padding-block: var(--space-8);
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--duration-fast) var(--ease-out);
}

.focus-item:first-child {
  border-top: 1px solid var(--color-border);
}

.focus-item:hover {
  background: var(--color-surface);
  margin-inline: calc(var(--space-8) * -1);
  padding-inline: var(--space-8);
  border-radius: var(--radius-md);
  border-color: transparent;
}

.focus-item-number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-accent);
  padding-top: 0.35rem;
  letter-spacing: 0.05em;
}

.focus-item-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
}

.focus-item-desc {
  color: var(--color-text-2);
  font-size: 0.9375rem;
  line-height: 1.65;
}

/* ── Contact ────────────────────────────────────────────────── */
.contact {
  border-top: 1px solid var(--color-border);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.contact-link {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition:
    border-color var(--duration-fast) var(--ease-out),
    background-color var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out);
}

.contact-link:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-glow);
  transform: translateX(4px);
}

.contact-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.contact-link-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-bg-3);
  border: 1px solid var(--color-border);
  color: var(--color-accent);
  flex-shrink: 0;
}

.contact-link-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.contact-link-label {
  font-size: 0.75rem;
  font-weight: 500;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-3);
}

.contact-link-value {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
}

.contact-link-arrow {
  font-size: 1.125rem;
  color: var(--color-text-3);
  transition: color var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);
}

.contact-link:hover .contact-link-arrow {
  color: var(--color-accent);
  transform: translateX(4px);
}

/* ── Footer ─────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-8);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-copy {
  font-size: 0.875rem;
  color: var(--color-text-3);
}

.footer-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex-wrap: wrap;
}

.footer-link {
  font-size: 0.875rem;
  color: var(--color-text-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: color var(--duration-fast) var(--ease-out);
}

.footer-link:hover {
  color: var(--color-text);
}

.footer-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ── Responsive — Tablet ────────────────────────────────────── */
@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .about-label {
    padding-top: 0;
  }

  .contact-inner {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }
}

/* ── Responsive — Mobile ────────────────────────────────────── */
@media (max-width: 640px) {
  :root {
    --nav-h: 56px;
  }

  /* Mobile nav */
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-h);
    inset-inline: 0;
    flex-direction: column;
    align-items: stretch;
    background: rgba(8, 11, 20, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-3);
    gap: var(--space-1);
    z-index: 99;
  }

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

  .nav-link,
  .nav-link--cta {
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    margin-left: 0;
  }

  /* Hero */
  .hero-headline {
    font-size: clamp(2rem, 8vw, 2.5rem);
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

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

  /* About stats */
  .about-stats {
    flex-direction: column;
    gap: var(--space-5);
  }

  /* Focus item */
  .focus-item {
    grid-template-columns: 48px 1fr;
  }

  .focus-item:hover {
    margin-inline: calc(var(--space-4) * -1);
    padding-inline: var(--space-4);
  }

  /* Footer */
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ── Reduced motion ─────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  html {
    scroll-behavior: auto;
  }
}