/* ============================================================
   samboswell.tech - style.css
   ============================================================ */

/* ── Custom Properties ─────────────────────────────────────── */

:root {
  /* Dark mode (default) */
  --color-bg:          #0d0d0d;
  --color-surface:     #141414;
  --color-text:        #ebebeb;
  --color-text-muted:  #888888;
  --color-rule:        #252525;
  --color-link:        #ebebeb;
  --color-link-hover:  #ffffff;
  --grain-opacity:     0.04;

  /* Typography */
  --font-body:         'PPMori', system-ui, -apple-system, sans-serif;
  --font-size-base:    17px;
  --line-height:       1.7;
  --tracking-caps:     0.13em;

  /* Layout */
  --content-width:     855px;
  --page-padding:      clamp(1.5rem, 6vw, 3rem);
  --header-height:     64px;
  --section-gap:       9rem;

  /* Transitions */
  --t-theme:   background-color 0.45s ease, color 0.45s ease,
               border-color 0.45s ease, opacity 0.45s ease;
  --t-fast:    0.18s ease;
}

[data-theme="light"] {
  --color-bg:          #f4f3ef;
  --color-surface:     #eceae5;
  --color-text:        #141414;
  --color-text-muted:  #777777;
  --color-rule:        #d0ceca;
  --color-link:        #141414;
  --color-link-hover:  #000000;
  --grain-opacity:     0.045;
}


/* ── Reset ──────────────────────────────────────────────────── */

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

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 2rem);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: var(--line-height);
  min-height: 100dvh;
  transition: var(--t-theme);
  overflow-x: hidden;
}

a {
  color: var(--color-link);
  text-decoration: underline;
  text-decoration-color: var(--color-text-muted);
  text-underline-offset: 3px;
  transition: color var(--t-fast), text-decoration-color var(--t-fast);
}

a:hover {
  color: var(--color-link-hover);
  text-decoration-color: var(--color-link-hover);
}

ul {
  list-style: none;
}

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

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


/* ── @font-face ─────────────────────────────────────────────── */

@font-face {
  font-family: 'PPMori';
  src: url('../fonts/PPMori-Book.woff2') format('woff2'),
       url('../fonts/PPMori-Book.woff') format('woff');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}


/* ── Film Grain Overlay ─────────────────────────────────────── */

body::before {
  content: '';
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  opacity: var(--grain-opacity);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 200px 200px;
  transition: opacity var(--t-theme);
}


/* ── Layout ─────────────────────────────────────────────────── */

.container {
  width: 100%;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--page-padding);
}


/* ── Header ─────────────────────────────────────────────────── */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--page-padding);
  z-index: 100;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-rule);
  transition: var(--t-theme);
}

.site-logo {
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-text);
  transition: color var(--t-fast);
}

.site-logo:hover {
  color: var(--color-link-hover);
  text-decoration: none;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.site-nav a {
  font-size: 0.72rem;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-text-muted);
  transition: color var(--t-fast);
}

.site-nav a:hover {
  color: var(--color-text);
}

/* Theme toggle */
.theme-toggle {
  color: var(--color-text-muted);
  padding: 0;
  transition: color var(--t-fast);
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
}

.theme-toggle:hover {
  color: var(--color-text);
}

.theme-toggle svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* Show moon in dark mode (click → go light), sun in light mode (click → go dark) */
[data-theme="dark"]  .theme-toggle .icon-sun  { display: none; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }

/* Mobile nav */
.nav-toggle {
  display: none;
  font-size: 0.72rem;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--t-fast);
}

.nav-toggle:hover {
  color: var(--color-text);
}

/* Mobile overlay */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: var(--color-bg);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  transition: var(--t-theme);
}

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

.nav-overlay a {
  font-size: clamp(1.5rem, 5vw, 2.5rem);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-text);
}

.nav-overlay a:hover {
  color: var(--color-link-hover);
}

.nav-overlay-close {
  position: absolute;
  top: calc(var(--header-height) / 2);
  right: var(--page-padding);
  transform: translateY(-50%);
  font-size: 0.72rem;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--t-fast);
}

.nav-overlay-close:hover {
  color: var(--color-text);
}


/* ── Main Content ───────────────────────────────────────────── */

main {
  padding-top: var(--header-height);
}


/* ── Section Label ──────────────────────────────────────────── */

.section-label {
  display: block;
  font-size: 0.68rem;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 2.5rem;
  transition: color var(--t-theme);
}


/* ── Hero ───────────────────────────────────────────────────── */

.hero {
  min-height: calc(100dvh - var(--header-height));
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 5rem 0 4rem;
}

.hero .container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero-name {
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.02em;
  overflow: hidden;
}

.hero-tagline {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--color-text-muted);
  font-weight: 400;
  line-height: 1.5;
  overflow: hidden;
  transition: color var(--t-theme);
}

.hero-sub {
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  color: var(--color-text-muted);
  overflow: hidden;
  transition: color var(--t-theme);
}

/* Word spans for animation */
.hero-name .word,
.hero-tagline .word,
.hero-sub .word {
  display: inline-block;
  opacity: 0;
  transform: translateY(22px);
  animation: wordReveal 0.65s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-play-state: paused;
  animation-delay: calc(var(--i) * 75ms + 150ms);
}

.hero-tagline .word {
  animation-delay: calc(var(--i) * 65ms + 520ms);
}

.hero-sub .word {
  animation-delay: calc(var(--i) * 55ms + 900ms);
}

body.is-loaded .hero-name .word,
body.is-loaded .hero-tagline .word,
body.is-loaded .hero-sub .word {
  animation-play-state: running;
}

@keyframes wordReveal {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}


/* ── Sections ───────────────────────────────────────────────── */

.section {
  padding: var(--section-gap) 0;
  border-top: 1px solid var(--color-rule);
  transition: border-color var(--t-theme);
}


/* ── Work Section ───────────────────────────────────────────── */

.work-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.work-block {
  display: flex;
  flex-direction: column;
}

.work-link {
  margin-top: auto;
  align-self: flex-start;
}

.work-block h2 {
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  margin-bottom: 0.3rem;
}

.work-role {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
  margin-bottom: 1rem;
  transition: color var(--t-theme);
}

.work-block p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 1.25rem;
  transition: color var(--t-theme);
}

.work-link {
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  text-decoration: none;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-rule);
  padding-bottom: 1px;
  transition: color var(--t-fast), border-color var(--t-fast);
}

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


/* ── About Section ──────────────────────────────────────────── */

.about-bio {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  max-width: 600px;
  margin-bottom: 2.5rem;
  transition: color var(--t-theme);
}

.about-pullquote {
  font-size: 1.15rem;
  color: var(--color-text);
  letter-spacing: -0.01em;
  line-height: 1.4;
  padding: 1.75rem 0;
  border-top: 1px solid var(--color-rule);
  border-bottom: 1px solid var(--color-rule);
  margin-bottom: 3rem;
  max-width: 480px;
  transition: color var(--t-theme), border-color var(--t-theme);
}

.pullquote-text {
  display: block;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.about-list li {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  padding-left: 1rem;
  border-left: 1px solid var(--color-rule);
  transition: color var(--t-theme), border-color var(--t-theme);
}

.about-links {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.about-links a {
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: color var(--t-fast);
}

.about-links a:hover {
  color: var(--color-text);
}

.about-tagline {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
  margin-top: 0.25rem;
  transition: color var(--t-theme);
}

.elsewhere {
  margin-top: 2.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--color-rule);
  transition: border-color var(--t-theme);
}

.elsewhere p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
  transition: color var(--t-theme);
}

.elsewhere-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
}

.elsewhere-links a {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--t-fast);
}

.elsewhere-links a:hover {
  color: var(--color-text);
}


/* ── Contact Section ────────────────────────────────────────── */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.contact-email-wrap {
  margin-bottom: 2rem;
}

.contact-email {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  text-decoration: none;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-rule);
  padding-bottom: 2px;
  transition: color var(--t-fast), border-color var(--t-fast);
  display: inline-block;
}

.contact-email:hover {
  color: var(--color-link-hover);
  border-color: var(--color-link-hover);
}

.contact-extra-emails {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.contact-extra-emails a {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--t-fast);
}

.contact-extra-emails a:hover {
  color: var(--color-text);
}

.unoffice-block h3 {
  font-size: 0.9rem;
  font-weight: 400;
  margin-bottom: 0.5rem;
}

.unoffice-block p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 1rem;
  transition: color var(--t-theme);
}

.unoffice-block a {
  font-size: 0.78rem;
  text-decoration: none;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-rule);
  padding-bottom: 1px;
  transition: color var(--t-fast), border-color var(--t-fast);
}

.unoffice-block a:hover {
  color: var(--color-text);
  border-color: var(--color-text);
}

.social-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem 2rem;
}

.social-grid a {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--t-fast);
}

.social-grid a:hover {
  color: var(--color-text);
}


/* ── Footer ─────────────────────────────────────────────────── */

.site-footer {
  padding: 3rem 0 2.5rem;
  border-top: 1px solid var(--color-rule);
  transition: border-color var(--t-theme);
}

.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-footer small {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  letter-spacing: 0.03em;
  transition: color var(--t-theme);
}

.site-footer a {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--t-fast);
}

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


/* ── Scroll Reveal ──────────────────────────────────────────── */

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }


/* ── Toybox List ────────────────────────────────────────────── */

.toybox-list {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  counter-reset: toybox;
}

.toybox-list li {
  counter-increment: toybox;
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--color-rule);
  transition: border-color var(--t-theme);
}

.toybox-list li::before {
  content: counter(toybox, decimal-leading-zero);
  font-size: 0.68rem;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
  flex-shrink: 0;
  width: 2ch;
  transition: color var(--t-theme);
}

.toybox-list a {
  font-size: 0.92rem;
  text-decoration: none;
  color: var(--color-text-muted);
  transition: color var(--t-fast);
}

.toybox-list a:hover {
  color: var(--color-text);
}


/* ── Booking / Calendar Pages ───────────────────────────────── */

.booking-wrap {
  display: flex;
  flex-direction: column;
  height: calc(100dvh - var(--header-height));
}

.booking-header {
  padding: 2rem var(--page-padding) 1.5rem;
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  flex-shrink: 0;
  border-bottom: 1px solid var(--color-rule);
  transition: border-color var(--t-theme);
}

.booking-title {
  font-size: 1rem;
  font-weight: 400;
}

.booking-subtitle {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  transition: color var(--t-theme);
}

.booking-iframe-wrap {
  flex: 1;
  min-height: 0;
}

.booking-iframe-wrap iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}


/* ── Uses Page ──────────────────────────────────────────────── */

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  color: var(--color-text-muted);
  text-decoration: none;
  margin-bottom: 1.5rem;
  transition: color var(--t-fast);
}

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

.uses-hero {
  padding: 4rem 0 3rem;
}

.uses-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 0.75rem;
}

.uses-hero p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  max-width: 480px;
  line-height: 1.65;
  transition: color var(--t-theme);
}

.uses-section {
  padding: 3.5rem 0;
  border-top: 1px solid var(--color-rule);
  transition: border-color var(--t-theme);
}

.uses-list {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin-top: 0.5rem;
}

.uses-list li {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  transition: color var(--t-theme);
}

.uses-list li a {
  color: var(--color-text);
  text-decoration-color: var(--color-rule);
}

.uses-list li a:hover {
  color: var(--color-link-hover);
  text-decoration-color: var(--color-link-hover);
}

.uses-list li span {
  color: var(--color-text-muted);
  font-size: 0.82rem;
  display: block;
  margin-top: 0.15rem;
}

.hardware-spec {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  transition: color var(--t-theme);
}

.hardware-spec strong {
  color: var(--color-text);
  font-weight: 400;
}

.spec-table {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.4rem 1.5rem;
  margin-top: 0.75rem;
  margin-bottom: 1.5rem;
}

.spec-label {
  font-size: 0.72rem;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding-top: 0.1em;
  white-space: nowrap;
  transition: color var(--t-theme);
}

.spec-value {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  transition: color var(--t-theme);
}


/* ── Responsive ─────────────────────────────────────────────── */

@media (max-width: 640px) {
  :root {
    --section-gap: 5.5rem;
  }

  .site-nav {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .work-grid,
  .about-content,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .hero {
    padding: 3rem 0 2.5rem;
  }

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

  .spec-table {
    grid-template-columns: 1fr;
    gap: 0.15rem;
    margin-bottom: 1rem;
  }

  .spec-label {
    margin-top: 0.6rem;
  }
}

@media (max-width: 400px) {
  .social-grid {
    grid-template-columns: 1fr;
  }
}


/* ── Flag Icons ─────────────────────────────────────────────── */

.flag-icon {
  display: inline-block;
  width: auto;
  height: 0.85em;
  vertical-align: -0.05em;
  border-radius: 2px;
}


/* ── Reduced Motion ─────────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-delay: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  .hero-name .word,
  .hero-tagline .word,
  .hero-sub .word {
    opacity: 1;
    transform: none;
  }

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