/* ==========================================================================
   Nocturnal Vision - Stylesheet
   ==========================================================================
   To retheme the site, update the custom properties below.
   Every color in this file references these variables.
   ========================================================================== */

:root {
  /* Base palette — matched to logo */
  --color-bg: #f4f4f8;
  --color-bg-alt: #ecedf3;
  --color-text: #1a1a2e;
  --color-secondary: #4a4c66;
  --color-accent: #6b21a8;
  --color-accent-hover: #5a1b8e;
  --color-white: #ffffff;
  --color-border: #d0d1dc;

  /* Hero */
  --color-hero-bg: #1a1a2e;
  --color-hero-text: #ffffff;
  --color-hero-muted: #b0b1c0;

  /* Footer */
  --color-footer-bg: #4a4c66;
  --color-footer-text: #ffffff;
  --color-footer-link: #d0d1dc;

  /* Aurora effect */
  --color-aurora-1: rgba(107, 33, 168, 0.15);
  --color-aurora-2: rgba(56, 189, 170, 0.12);
  --color-aurora-3: rgba(72, 61, 139, 0.10);

  /* Project card placeholders */
  --color-card-image-bg: #4a4c66;

  /* Typography */
  --font-body: 'Poppins', sans-serif;
  --font-heading: 'League Spartan', sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;

  /* Layout */
  --container-max: 1100px;
  --container-narrow: 700px;

  /* Transitions */
  --transition-speed: 0.3s;
}

/* ==========================================================================
   Reset
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-speed) ease;
}

a:hover {
  color: var(--color-accent-hover);
}

ul {
  list-style: none;
}

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

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

  .hero-aurora {
    opacity: 0.3;
  }
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.2;
  color: var(--color-secondary);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 700;
  margin-bottom: var(--space-md);
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

p {
  margin-bottom: var(--space-sm);
}

/* ==========================================================================
   Layout
   ========================================================================== */

.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-sm);
}

.container--narrow {
  max-width: var(--container-narrow);
}

main {
  flex: 1;
}

section {
  padding: var(--space-lg) 0;
}

/* ==========================================================================
   Skip Link
   ========================================================================== */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.sr-only--focusable:focus {
  position: fixed;
  top: var(--space-xs);
  left: var(--space-xs);
  width: auto;
  height: auto;
  padding: var(--space-xs) var(--space-sm);
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
  background: var(--color-accent);
  color: var(--color-white);
  font-weight: 600;
  border-radius: 4px;
  z-index: 1000;
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  background-color: var(--color-white);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-secondary);
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  text-decoration: none;
}

.site-logo:hover {
  color: var(--color-accent);
}

.site-logo img {
  height: 40px;
  width: 40px;
  object-fit: contain;
  image-rendering: smooth;
  -webkit-image-rendering: smooth;
}

/* Hamburger button */
.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-secondary);
  border-radius: 2px;
  transition: transform var(--transition-speed) ease, opacity var(--transition-speed) ease;
}

.hamburger {
  position: relative;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
}

.hamburger::before {
  top: -7px;
}

.hamburger::after {
  top: 7px;
}

/* Hamburger open state */
.nav-toggle[aria-expanded="true"] .hamburger {
  background-color: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
  top: 0;
  transform: rotate(-45deg);
}

/* Mobile nav */
.site-nav {
  display: none;
  position: absolute;
  top: 64px;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.08);
}

.site-nav.is-open {
  display: block;
}

.site-nav ul {
  padding: var(--space-xs) 0;
}

.site-nav a {
  display: block;
  padding: var(--space-xs) var(--space-sm);
  color: var(--color-secondary);
  font-weight: 500;
  transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background-color: var(--color-bg);
  color: var(--color-accent);
}

/* Desktop nav */
@media (min-width: 1024px) {
  .nav-toggle {
    display: none;
  }

  .site-nav {
    display: block;
    position: static;
    background: none;
    box-shadow: none;
  }

  .site-nav ul {
    display: flex;
    gap: var(--space-xs);
    padding: 0;
  }

  .site-nav a {
    padding: var(--space-xs) var(--space-sm);
    border-radius: 4px;
  }

  .site-nav a:hover,
  .site-nav a[aria-current="page"] {
    background-color: var(--color-bg);
  }
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  text-align: center;
  padding: var(--space-xl) 0;
  background-color: var(--color-hero-bg);
  position: relative;
  overflow: hidden;
}

.hero-aurora {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-logo {
  display: block;
  max-width: 150px;
  height: auto;
  margin: 0 auto var(--space-md);
}

.hero h1 {
  color: var(--color-hero-text);
  margin-bottom: var(--space-xs);
}

.tagline {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--color-hero-muted);
  font-weight: 300;
  margin-bottom: 0;
}

/* ==========================================================================
   Projects
   ========================================================================== */

.projects {
  padding: var(--space-xl) 0;
}

.projects h2 {
  text-align: center;
}

.project-grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
}

.project-card {
  background-color: var(--color-white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.project-image {
  background-color: var(--color-card-image-bg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-image[data-label] {
  aspect-ratio: 16 / 9;
}

.project-image[data-label]::after {
  content: attr(data-label);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 700;
  text-align: center;
  padding: var(--space-sm);
}

/* Carousel */
.carousel {
  position: relative;
  overflow: hidden;
  background-color: var(--color-card-image-bg);
  aspect-ratio: 9 / 16;
  max-height: 500px;
  margin-inline: auto;
}

.carousel-track {
  display: flex;
  height: 100%;
  transition: transform var(--transition-speed) ease;
}

.carousel-slide {
  display: block;
  min-width: 100%;
  height: 100%;
}

.carousel-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.carousel-btn {
  background: none;
  color: var(--color-white);
  border: none;
  font-size: 2rem;
  width: 40px;
  flex-shrink: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-speed) ease, opacity var(--transition-speed) ease;
  opacity: 0.6;
}

.carousel-btn:hover {
  opacity: 1;
}

.carousel-dots {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  z-index: 2;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  padding: 0;
  transition: background var(--transition-speed) ease;
}

.carousel-dot.active {
  background: var(--color-white);
}

.project-card-body {
  padding: var(--space-sm) var(--space-md);
}

.project-card-body p {
  color: var(--color-secondary);
  font-size: 0.95rem;
}

/* Store links */
.store-links {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-top: var(--space-sm);
}

.store-badge {
  height: 40px;
  width: auto;
  border-radius: 6px;
  transition: opacity var(--transition-speed) ease;
}

.store-badge:hover {
  opacity: 0.8;
}

/* Badge */
.badge {
  display: inline-block;
  background-color: var(--color-accent);
  color: var(--color-white);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.2em 0.75em;
  border-radius: 20px;
  margin-top: var(--space-sm);
}

/* Project Card Animated Gradients */

@keyframes gradientDrift {
  0%   { background-position: 0% 50%; }
  25%  { background-position: 100% 0%; }
  50%  { background-position: 100% 100%; }
  75%  { background-position: 0% 100%; }
  100% { background-position: 0% 50%; }
}

.project-image {
  background-size: 400% 400%;
  animation: gradientDrift 25s ease infinite;
}

[data-gradient] .carousel {
  background-color: transparent;
}

[data-gradient="smashem"] .project-image {
  background-image: linear-gradient(135deg, #5b2a82, #8b2252, #3d1a5e, #5b2a82);
  animation-delay: 0s;
}

[data-gradient="qloop"] .project-image {
  background-image: linear-gradient(135deg, #1a3a5c, #2d5a6b, #3b2d6b, #1a3a5c);
  animation-delay: -5s;
}

[data-gradient="carrots"] .project-image {
  background-image: linear-gradient(135deg, #5c3a1a, #6b4a2d, #4a2d1a, #5c3a1a);
  animation-delay: -10s;
}

[data-gradient="slicesum"] .project-image {
  background-image: linear-gradient(135deg, #1a4a3a, #2d5a4a, #1a3a2d, #1a4a3a);
  animation-delay: -15s;
}

[data-gradient="popped"] .project-image {
  background-image: linear-gradient(135deg, #2d3a6b, #5a2d5c, #1a2d5c, #2d3a6b);
  animation-delay: -20s;
}

/* Hero-themed variant — uses aurora/hero color palette for all cards */
[data-gradient="hero"] .project-image {
  background-image: linear-gradient(135deg, #1a1a2e, #2e1a4a, #1a2a38, #221c42, #1a1a2e);
}

[data-gradient="hero"]:nth-child(1) .project-image { animation-delay: 0s; }
[data-gradient="hero"]:nth-child(2) .project-image { animation-delay: -5s; }
[data-gradient="hero"]:nth-child(3) .project-image { animation-delay: -10s; }
[data-gradient="hero"]:nth-child(4) .project-image { animation-delay: -15s; }
[data-gradient="hero"]:nth-child(5) .project-image { animation-delay: -20s; }

@media (min-width: 768px) {
  .project-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ==========================================================================
   About
   ========================================================================== */

.about {
  background-color: var(--color-bg-alt);
  text-align: center;
}

.about p {
  max-width: 600px;
  margin-inline: auto;
  color: var(--color-secondary);
  font-size: 1.1rem;
}

/* ==========================================================================
   Contact Form
   ========================================================================== */

.contact {
  padding: var(--space-xl) 0;
}

.contact h1 {
  text-align: center;
  margin-bottom: var(--space-md);
}

.contact-body {
  text-align: center;
}

.contact-body > p {
  color: var(--color-secondary);
  font-size: 1.1rem;
  margin-bottom: var(--space-md);
}

.contact-card {
  background-color: var(--color-white);
  border-radius: 12px;
  padding: var(--space-lg) var(--space-md);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  margin-bottom: var(--space-md);
}

.contact-icon {
  width: 48px;
  height: 48px;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.contact-card p {
  color: var(--color-secondary);
  font-size: 0.95rem;
  margin-bottom: var(--space-xs);
}

.contact-email {
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 700;
  color: var(--color-accent);
  word-break: break-all;
}

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

.contact-note {
  color: var(--color-secondary);
  font-size: 0.9rem;
  opacity: 0.7;
}

/* ==========================================================================
   Legal Pages
   ========================================================================== */

.legal {
  padding: var(--space-xl) 0;
}

.legal h1 {
  margin-bottom: var(--space-md);
}

.legal-content h2 {
  font-size: 1.35rem;
  margin-top: var(--space-md);
  margin-bottom: var(--space-sm);
}

.legal-content h3 {
  font-size: 1.15rem;
  margin-top: var(--space-md);
  margin-bottom: var(--space-xs);
  color: var(--color-secondary);
}

.legal-content p {
  color: var(--color-secondary);
}

.legal-content ul {
  color: var(--color-secondary);
  margin: var(--space-xs) 0 var(--space-sm) var(--space-sm);
  padding: 0;
  list-style: disc;
}

.legal-content li {
  margin-bottom: var(--space-xs);
}

.legal-content address {
  font-style: normal;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--space-sm);
  margin-top: var(--space-xs);
  color: var(--color-secondary);
}

.legal-highlight {
  background: var(--color-bg-alt);
  border-left: 3px solid var(--color-accent);
  padding: var(--space-sm);
  margin: var(--space-sm) 0;
  border-radius: 4px;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background-color: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding: var(--space-md) 0;
  margin-top: auto;
}

.site-footer .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  text-align: center;
}

.footer-nav {
  display: flex;
  gap: var(--space-md);
}

.footer-nav a {
  color: var(--color-footer-link);
  font-size: 0.9rem;
  font-weight: 400;
}

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

.copyright {
  font-size: 0.85rem;
  opacity: 0.8;
  margin-bottom: 0;
}

@media (min-width: 768px) {
  .site-footer .container {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-block;
  background-color: var(--color-accent);
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  transition: background-color var(--transition-speed) ease;
}

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

/* ==========================================================================
   Responsive Spacing
   ========================================================================== */

@media (min-width: 768px) {
  .container {
    padding-inline: var(--space-md);
  }

  section {
    padding: var(--space-xl) 0;
  }
}