/* =============================================================
   DESIGN TOKENS
   ============================================================= */
:root {
  --bg:             #0d0d10;
  --surface:        #17171c;
  --surface-raised: #1e1e25;
  --accent:         #10b981;
  --accent-rgb:     16, 185, 129;
  --accent-hover:   #0ea572;
  --accent-2:       #b8f564;
  --accent-3:       #4fa8e8;
  --text-primary:   #f2f0eb;
  --text-secondary: #9b98a8;
  --border:         rgba(255, 255, 255, 0.08);

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;

  --header-h:     72px;
  --radius:       12px;
  --radius-sm:    6px;

  --transition:   220ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* =============================================================
   RESET & BASE
   ============================================================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  background-color: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul[role="list"] {
  list-style: none;
}

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

/* =============================================================
   LAYOUT UTILITIES
   ============================================================= */
.container {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 2.5rem);
}

section {
  padding-block: clamp(5rem, 10vw, 8rem);
}

/* =============================================================
   SCROLL REVEAL
   ============================================================= */
[data-reveal] {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

[data-reveal].visible {
  opacity: 1;
  transform: translateY(0);
}

/* =============================================================
   TYPOGRAPHY
   ============================================================= */
h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  margin-bottom: 0.5em;
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 700;
}

.section-sub {
  color: var(--text-secondary);
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
  max-width: 48ch;
}

/* =============================================================
   BUTTONS
   ============================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75em 1.75em;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: 0.01em;
  transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition), color var(--transition);
  white-space: nowrap;
}

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

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background-color: var(--accent);
  color: #fff;
  box-shadow: 0 4px 24px rgba(var(--accent-rgb), 0.35);
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  box-shadow: 0 6px 32px rgba(var(--accent-rgb), 0.45);
}

.btn-outline {
  border: 1.5px solid var(--border);
  color: var(--text-primary);
  background-color: transparent;
}

.btn-outline:hover {
  border-color: rgba(255, 255, 255, 0.2);
  background-color: rgba(255, 255, 255, 0.05);
}

/* =============================================================
   HEADER
   ============================================================= */
#site-header {
  position: fixed;
  top: 0;
  inset-inline: 0;
  z-index: 100;
  height: var(--header-h);
  transition: background-color var(--transition), box-shadow var(--transition), backdrop-filter var(--transition);
}

#site-header.scrolled {
  background-color: rgba(13, 13, 16, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border), 0 4px 24px rgba(0, 0, 0, 0.4);
}

.header-inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 2rem;
}

.logo {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--accent);
  letter-spacing: -0.03em;
  flex-shrink: 0;
  transition: opacity var(--transition);
}

.logo:hover {
  opacity: 0.8;
}

#main-nav {
  margin-left: auto;
}

#main-nav ul {
  display: flex;
  gap: 0.25rem;
}

#main-nav a {
  display: block;
  padding: 0.4em 0.75em;
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  position: relative;
  transition: color var(--transition);
}

#main-nav a::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0.75em;
  right: 0.75em;
  height: 2px;
  background-color: var(--accent);
  border-radius: 1px;
  width: 0;
  transition: width var(--transition);
}

#main-nav a:hover,
#main-nav a.active {
  color: var(--text-primary);
}

#main-nav a.active::after {
  width: calc(100% - 1.5em);
}

.header-social {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

.header-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: color var(--transition), background-color var(--transition);
}

.header-social a:hover {
  color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.07);
}

.header-social svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  margin-left: auto;
  transition: background-color var(--transition);
}

.hamburger:hover {
  background-color: rgba(255, 255, 255, 0.07);
}

.hamburger span {
  display: block;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 1px;
  transition: transform var(--transition), opacity var(--transition), width var(--transition);
  transform-origin: center;
}

.hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* =============================================================
   HERO
   ============================================================= */
#hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  position: relative;
  overflow: hidden;
}

.hero-blob {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: radial-gradient(ellipse 70% 60% at 70% 40%, rgba(var(--accent-rgb), 0.18) 0%, transparent 70%),
              radial-gradient(ellipse 50% 50% at 20% 80%, rgba(79, 168, 232, 0.1) 0%, transparent 60%);
  animation: blob-drift 12s ease-in-out infinite alternate;
}

@keyframes blob-drift {
  0%   { transform: scale(1) translate(0, 0); }
  33%  { transform: scale(1.04) translate(2%, -1.5%); }
  66%  { transform: scale(0.97) translate(-1.5%, 2%); }
  100% { transform: scale(1.02) translate(1%, 1%); }
}

.hero-inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(4rem, 8vw, 7rem);
}

.hero-eyebrow {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(0.875rem, 1.5vw, 1.125rem);
  color: var(--accent);
  letter-spacing: 0.04em;
  margin-bottom: 1rem;
}

.hero-name {
  font-size: clamp(4rem, 12vw, 9rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.04em;
  color: var(--text-primary);
  margin-bottom: clamp(1.25rem, 2vw, 2rem);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.hero-tagline {
  font-size: clamp(1rem, 2vw, 1.375rem);
  color: var(--text-secondary);
  line-height: 1.5;
  max-width: 40ch;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

/* =============================================================
   ABOUT
   ============================================================= */
#about {
  background-color: var(--surface);
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(3rem, 6vw, 5rem);
  align-items: center;
}

.about-text h2 {
  margin-bottom: 1rem;
}

.about-text p {
  color: var(--text-secondary);
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  max-width: 56ch;
  margin-bottom: 1.25rem;
}



/* =============================================================
   GALLERY
   ============================================================= */
#gallery {
  background-color: var(--bg);
}

.gallery-grid {
  columns: 3 280px;
  column-gap: 1rem;
}

.gallery-item {
  break-inside: avoid;
  margin-bottom: 1rem;
  overflow: hidden;
  border-radius: var(--radius-sm);
  position: relative;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 400ms cubic-bezier(0.4, 0, 0.2, 1),
              filter 400ms cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: var(--radius-sm);
}

.gallery-item:hover img {
  transform: scale(1.04);
  filter: brightness(0.82);
}

.gallery-item figcaption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.75rem 1rem;
  background: linear-gradient(transparent, rgba(0,0,0,0.75));
  color: #fff;
  font-size: 0.875rem;
  font-weight: 500;
  transform: translateY(100%);
  transition: transform 300ms cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}

.gallery-item:hover figcaption {
  transform: translateY(0);
}


/* Gallery expand */
.gallery-expand-row {
  display: flex;
  justify-content: center;
  margin-top: 2rem;
}

.gallery-expand-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.gallery-expand-btn svg {
  transition: transform var(--transition);
}

.gallery-expand-btn[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.gallery-more {
  display: none;
  margin-top: 1rem;
}

.gallery-more.is-open {
  display: block;
}

/* =============================================================
   APPS
   ============================================================= */
#apps {
  background-color: var(--surface);
}

.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.app-card {
  background-color: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: grid;
  grid-template-columns: 140px 1fr;
  transition: transform var(--transition), box-shadow var(--transition);
}

.app-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.app-card-screenshot {
  background-color: var(--surface);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 1.25rem 1rem 0;
  overflow: hidden;
}

.app-card-screenshot--icon {
  justify-content: center;
  align-items: center;
  padding: 1.5rem;
}

.app-card-screenshot--icon img {
  width: 80px;
  height: 80px;
  min-height: unset;
  border-radius: 0;
  object-fit: contain;
  filter: none;
}

.app-card-screenshot img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  object-fit: cover;
  max-height: 240px;

  /* Placeholder styling when image is missing */
  background-color: var(--surface-raised);
  min-height: 120px;
}

.app-card-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.75rem;
}

.app-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.app-card-desc {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.55;
}

.app-card--wide {
  grid-column: 1 / -1;
}


.app-card-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.press-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent-3);
  transition: color var(--transition), opacity var(--transition);
}

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

.app-store-link {
  display: inline-block;
  margin-top: 0.25rem;
  transition: opacity var(--transition), transform var(--transition);
}

.app-store-link:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

.app-store-link img {
  height: 42px;
  width: auto;
}

/* =============================================================
   FOOTER
   ============================================================= */
footer {
  background-color: var(--bg);
  border-top: 1px solid var(--border);
  padding-block: clamp(3rem, 5vw, 4rem);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.footer-logo {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--accent);
  letter-spacing: -0.03em;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  transition: color var(--transition);
}

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

.footer-copy {
  color: var(--text-secondary);
  font-size: 0.8125rem;
}

/* =============================================================
   LIGHTBOX
   ============================================================= */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity 250ms ease;
}

.lightbox.is-open {
  opacity: 1;
  pointer-events: all;
}

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.92);
  cursor: pointer;
}

.lightbox-content {
  position: relative;
  z-index: 1;
  max-width: min(90vw, 1400px);
  max-height: 90svh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-figure {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.lightbox-image {
  max-width: min(90vw, 1400px);
  max-height: 80svh;
  width: auto;
  height: auto;
  border-radius: var(--radius-sm);
  object-fit: contain;
  transform: scale(0.9);
  transition: transform 350ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.lightbox.is-open .lightbox-image {
  transform: scale(1);
}

.lightbox-caption {
  color: var(--text-secondary);
  font-size: 0.875rem;
  text-align: center;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.08);
  color: #fff;
  transition: background-color var(--transition), transform var(--transition);
  z-index: 2;
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  background-color: rgba(255, 255, 255, 0.18);
}

.lightbox-close svg,
.lightbox-prev svg,
.lightbox-next svg {
  width: 20px;
  height: 20px;
}

.lightbox-close {
  top: -52px;
  right: 0;
}

.lightbox-prev {
  left: -56px;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-prev:hover {
  transform: translateY(-50%) translateX(-2px);
}

.lightbox-next {
  right: -56px;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-next:hover {
  transform: translateY(-50%) translateX(2px);
}

/* =============================================================
   RESPONSIVE — 768px+
   ============================================================= */
@media (min-width: 768px) {
  .about-inner {
    grid-template-columns: 1fr;
    max-width: 720px;
  }
}

/* =============================================================
   RESPONSIVE — mobile nav (max 767px)
   ============================================================= */
@media (max-width: 767px) {
  #main-nav {
    position: fixed;
    top: var(--header-h);
    inset-inline: 0;
    background-color: rgba(13, 13, 16, 0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    max-height: 0;
    overflow: hidden;
    transition: max-height 350ms cubic-bezier(0.4, 0, 0.2, 1);
    margin-left: 0;
  }

  #main-nav.is-open {
    max-height: 240px;
  }

  #main-nav ul {
    flex-direction: column;
    padding: 1rem;
    gap: 0;
  }

  #main-nav a {
    padding: 0.75em 1rem;
    font-size: 1.0625rem;
    border-radius: var(--radius-sm);
  }

  #main-nav a::after {
    display: none;
  }

  #main-nav a.active {
    color: var(--accent);
  }

  .header-social {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .app-card {
    grid-template-columns: 1fr;
  }

  .app-card-screenshot {
    padding: 1.5rem 2rem 0;
  }

  .lightbox-prev {
    left: 8px;
  }

  .lightbox-next {
    right: 8px;
  }

  .lightbox-close {
    top: 8px;
    right: 8px;
    position: fixed;
  }
}

/* =============================================================
   RESPONSIVE — 1024px+
   ============================================================= */

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

  [data-reveal] {
    opacity: 1;
    transform: none;
  }

  html {
    scroll-behavior: auto;
  }

  .hero-blob {
    animation: none;
  }
}