/* ============================================================
   GLOBAL STYLES
   ============================================================
   Root variables, resets, basic typography, buttons, 
   and globally-used components across the entire website.
============================================================ */

/* Root Variables - Glassmorphism & Design System */
:root {
  --bg: #0a0a0a;
  --surface: #0d0d0d;
  --muted: #b4b4bb;
  --accent: #ffffff;
  --max-width: 1200px;

  /* Liquid Glass / Glassmorphism Variables */
  --glass-bg: rgba(12, 12, 12, 0.68);
  --glass-bg-hover: rgba(18, 18, 18, 0.78);
  --glass-border: rgba(255, 255, 255, 0.12);
  --glass-border-hover: rgba(255, 255, 255, 0.22);
  --glass-highlight: rgba(255, 255, 255, 0.05);
  --glass-shadow: 0 12px 34px rgba(0, 0, 0, 0.55);
  --glass-shadow-hover: 0 18px 48px rgba(0, 0, 0, 0.65);
  --glass-inner-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

/* Global Reset */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Typography & Body Styles */
body {
  font-family:
    "Inter",
    system-ui,
    -apple-system,
    "Segoe UI",
    Roboto,
    "Helvetica Neue",
    Arial,
    sans-serif;
  background: var(--bg);
  color: #f5f5f5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.45;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-bottom: 120px;
}

/* Page Loader */
.page-loader {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: rgba(10, 10, 10, 0.55);
  backdrop-filter: blur(12px);
  z-index: 340;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.page-loader.show {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.loader-dots {
  display: inline-flex;
  gap: 8px;
}

.loader-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ffffff;
  animation: loader-bounce 1.1s infinite ease-in-out;
  box-shadow: 0 0 18px rgba(255, 255, 255, 0.5);
}

.loader-dots span:nth-child(2) {
  animation-delay: 0.12s;
}

.loader-dots span:nth-child(3) {
  animation-delay: 0.24s;
}

@keyframes loader-bounce {
  0%,
  80%,
  100% {
    transform: scale(0.6);
    opacity: 0.6;
  }
  40% {
    transform: scale(1.05);
    opacity: 1;
  }
}

/* Accessibility */
.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;
}

body.no-scroll {
  overflow: hidden;
}

body.nav-locked {
  overflow: hidden;
}

/* ============================================================
   BUTTON SYSTEM - Unified Button Styles
============================================================ */

/* Primary Button */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 12px;
  font-weight: 700;
  letter-spacing: 0.2px;
  text-decoration: none;
  background: var(--glass-bg);
  color: #fff;
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow), var(--glass-inner-shadow);
  backdrop-filter: blur(14px);
  transition:
    background 0.14s,
    transform 0.14s,
    box-shadow 0.14s,
    border-color 0.14s;
  margin-top: 8px;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  transform: translateY(-1px);
  box-shadow: var(--glass-shadow-hover), var(--glass-inner-shadow);
}

/* Ghost Button */
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 12px;
  font-weight: 700;
  letter-spacing: 0.2px;
  text-decoration: none;
  background: var(--glass-bg);
  color: #fff;
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(14px);
  box-shadow: var(--glass-shadow), var(--glass-inner-shadow);
  transition:
    background 0.14s,
    transform 0.14s,
    box-shadow 0.14s,
    border-color 0.14s;
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  transform: translateY(-1px);
  box-shadow: var(--glass-shadow-hover), var(--glass-inner-shadow);
}

/* Social Button */
.social-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--glass-bg);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.1px;
  box-shadow: var(--glass-shadow), var(--glass-inner-shadow);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(14px);
  transition:
    background 0.14s ease,
    transform 0.14s ease,
    box-shadow 0.14s ease,
    border-color 0.14s ease,
    filter 0.14s ease;
}

.social-btn:hover,
.social-btn:focus-visible {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  transform: translateY(-1px) scale(1.01);
  box-shadow: var(--glass-shadow-hover), var(--glass-inner-shadow);
  filter: saturate(1.05);
}

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

/* CTA Button (Hero) */
.cta-btn {
  display: inline-block;
  background: var(--glass-bg);
  color: #fff;
  font-weight: 700;
  font-size: 1.15rem;
  padding: 14px 36px;
  border-radius: 12px;
  text-decoration: none;
  box-shadow: var(--glass-shadow), var(--glass-inner-shadow);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(14px);
  margin-top: 14px;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  transition:
    background 0.14s,
    transform 0.14s,
    box-shadow 0.14s,
    border-color 0.14s;
}

.cta-btn::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 999px;
  transform: translate(-50%, -50%);
  background: rgba(255, 255, 255, 0.08);
  opacity: 0;
  z-index: -1;
  transition:
    width 0.28s ease,
    height 0.28s ease,
    opacity 0.28s ease;
}

.cta-btn:hover,
.cta-btn:focus-visible {
  background: var(--glass-bg-hover);
  transform: translateY(-1px) scale(1.01);
  box-shadow: var(--glass-shadow-hover), var(--glass-inner-shadow);
  border-color: var(--glass-border-hover);
}

.cta-btn:hover::before,
.cta-btn:focus-visible::before {
  width: 260%;
  height: 260%;
  opacity: 1;
}

.cta-btn:active {
  transform: translateY(0) scale(0.99);
}

/* Pill Button (Small Circular) */
.pill-btn {
  background: var(--glass-bg);
  color: #fff;
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  width: 40px;
  height: 40px;
  font-size: 1.1rem;
  cursor: pointer;
  backdrop-filter: blur(14px);
  box-shadow: var(--glass-shadow), var(--glass-inner-shadow);
  transition:
    background 0.14s,
    transform 0.14s,
    border-color 0.14s,
    box-shadow 0.14s;
}

.pill-btn:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  transform: translateY(-1px);
  box-shadow: var(--glass-shadow-hover), var(--glass-inner-shadow);
}

.pill-btn.is-disabled,
.pill-btn:disabled {
  opacity: 0.35;
  cursor: default;
  transform: none;
  background: rgba(0, 0, 0, 0.6);
}

/* ============================================================
   GLOBAL COMPONENTS
============================================================ */

/* Intro Section */
.intro {
  background: var(--glass-bg);
  backdrop-filter: blur(18px);
  padding: clamp(22px, 3vw, 32px);
  border-radius: 18px;
  margin-bottom: 26px;
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow), var(--glass-inner-shadow);
}

.intro p {
  color: var(--muted);
  font-size: 1rem;
}

/* Eyebrow / Label */
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 800;
  font-size: 0.78rem;
  color: var(--accent);
  margin: 0 0 6px 0;
}

/* Content Container */
.content {
  width: 100%;
  max-width: none;
  padding: 32px clamp(18px, 4vw, 52px);
  margin: 0 auto;
  flex: 1 0 auto;
}

/* Header */
header {
  padding-bottom: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
}

header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: #ffffff;
  text-align: center;
  width: 100%;
}

/* Social Links Section */
.social-links {
  display: flex;
  align-items: center;
  column-gap: 10px;
  row-gap: 0;
  flex-wrap: nowrap;
  margin: 10px 0 14px;
}

.social-links .social-label,
.social-links .social-btn {
  white-space: nowrap;
}

.social-label {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.95rem;
}

/* Footer */
footer {
  color: var(--muted);
  padding: 24px 0 60px 0;
  font-size: 0.95rem;
  margin-top: 48px;
}

.footer-link {
  color: var(--muted);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.18s ease;
}

.footer-link:hover,
.footer-link:focus-visible {
  color: #ffffff;
}

.footer-cta {
  margin-top: 44px;
  margin-bottom: 36px;
  padding: 24px;
  border-radius: 14px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow), var(--glass-inner-shadow);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-cta h2 {
  margin: 6px 0;
  font-size: 1.7rem;
}

.footer-cta p {
  margin: 0;
  color: var(--muted);
  max-width: 640px;
}

.footer-cta .footer-cta-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-cta .btn-primary,
.footer-cta .btn-ghost {
  margin-top: 0;
}

/* Tags */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--glass-bg);
  color: #f5f5f5;
  font-weight: 700;
  letter-spacing: 0.2px;
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-inner-shadow);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 10px 0 16px 0;
}

/* ============================================================
   RESPONSIVE & UTILITIES
============================================================ */

@media (max-width: 640px) {
  .content {
    padding: 24px 16px;
  }
  header h1 {
    font-size: 2.05rem;
  }
}

@media (max-width: 540px) {
  header h1 {
    font-size: 1.75rem;
  }
}

@media (max-width: 520px) {
  .social-links {
    flex-wrap: wrap;
    row-gap: 6px;
  }
  .social-links .social-label {
    font-size: 0.95rem;
  }
  .social-links .social-btn {
    padding: 8px 12px;
    font-size: 0.95rem;
  }
}

@media (max-width: 720px) {
  .footer-cta {
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
  }
  .footer-cta h2 {
    font-size: 1.45rem;
  }
}

/* Click Flash Animation (Desktop only) */
@media (min-width: 901px) {
  :root {
    --cursor-camera:
      url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='32' height='22' viewBox='0 0 32 22'><rect x='2' y='6' rx='3' ry='3' width='28' height='14' fill='%23f5f5f5' stroke='%23000' stroke-width='1.4'/><rect x='10' y='1.5' rx='2' ry='2' width='12' height='6' fill='%23f5f5f5' stroke='%23000' stroke-width='1.2'/><circle cx='16' cy='13' r='6' fill='%231a1a1a' stroke='%23000' stroke-width='1.2'/><circle cx='16' cy='13' r='2.3' fill='%23f5f5f5'/><rect x='4.5' y='8' width='2.8' height='2.2' rx='0.6' fill='%23000'/></svg>")
        12 12,
      auto;
    --cursor-camera-hover:
      url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='32' height='22' viewBox='0 0 32 22'><rect x='2' y='6' rx='3' ry='3' width='28' height='14' fill='%23ffffff' fill-opacity='0.55' stroke='%23000' stroke-width='1.4'/><rect x='10' y='1.5' rx='2' ry='2' width='12' height='6' fill='%23ffffff' fill-opacity='0.55' stroke='%23000' stroke-width='1.2'/><circle cx='16' cy='13' r='6' fill='%231a1a1a' stroke='%23000' stroke-width='1.2'/><circle cx='16' cy='13' r='2.3' fill='%23ffffff' fill-opacity='0.7'/><rect x='4.5' y='8' width='2.8' height='2.2' rx='0.6' fill='%23000'/></svg>")
        12 12,
      auto;
  }
  body {
    cursor: var(--cursor-camera);
  }
  a,
  button,
  .nav-toggle,
  .gallery img,
  .lightbox,
  .lightbox *,
  input,
  textarea,
  select {
    cursor: var(--cursor-camera) !important;
  }
  a:hover,
  button:hover,
  .nav-toggle:hover,
  .gallery img:hover,
  .lightbox:hover,
  .lightbox *:hover,
  input:hover,
  textarea:hover,
  select:hover {
    cursor: var(--cursor-camera-hover) !important;
  }

  .click-flash {
    position: fixed;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    pointer-events: none;
    background: radial-gradient(
      circle,
      rgba(255, 255, 255, 0.9) 0%,
      rgba(255, 255, 255, 0.45) 55%,
      rgba(255, 255, 255, 0) 75%
    );
    opacity: 0.9;
    animation: flash-pop 320ms ease-out;
    mix-blend-mode: screen;
    z-index: 4000;
  }
}

@keyframes flash-pop {
  0% {
    transform: scale(0.25);
    opacity: 0.95;
  }
  70% {
    opacity: 1;
  }
  100% {
    transform: scale(1.15);
    opacity: 0;
  }
}