/* ============================================================
   EaseJoy Official Site
   Visual Direction: Cyberpunk Signal Grid
   ============================================================ */

:root {
  --bg-deep: #07030f;
  --bg-surface: #0f0a1d;
  --bg-panel: rgba(11, 14, 28, 0.72);
  --bg-elevated: rgba(20, 15, 35, 0.82);
  --text-primary: #f4f7ff;
  --text-secondary: #a7b0cb;
  --text-muted: #66708f;
  --accent: #25f2ff;
  --accent-dim: rgba(37, 242, 255, 0.14);
  --accent-glow: rgba(37, 242, 255, 0.38);
  --magenta: #ff3cac;
  --magenta-dim: rgba(255, 60, 172, 0.18);
  --magenta-glow: rgba(255, 60, 172, 0.32);
  --amber: #ffb84d;
  --amber-dim: rgba(255, 184, 77, 0.14);
  --line-bright: rgba(110, 223, 255, 0.32);
  --panel-border: rgba(92, 223, 255, 0.2);
  --font-display: "Orbitron", sans-serif;
  --font-body: "Space Grotesk", sans-serif;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --container: min(90vw, 1120px);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-s: 0.3s;
  --duration-m: 0.5s;
  --duration-l: 0.8s;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  background:
    radial-gradient(circle at 18% 10%, rgba(37, 242, 255, 0.16), transparent 30%),
    radial-gradient(circle at 82% 20%, rgba(255, 60, 172, 0.14), transparent 26%),
    linear-gradient(180deg, rgba(10, 8, 25, 0.96) 0%, rgba(7, 3, 15, 1) 44%, rgba(9, 5, 18, 1) 100%);
  background-attachment: fixed;
  overflow-x: hidden;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(81, 225, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(81, 225, 255, 0.08) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.65), transparent 88%);
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  background:
    repeating-linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.022) 0,
      rgba(255, 255, 255, 0.022) 1px,
      transparent 1px,
      transparent 4px
    );
  mix-blend-mode: screen;
  opacity: 0.18;
  pointer-events: none;
  z-index: 0;
}

a {
  color: inherit;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  padding: var(--space-md) var(--space-lg);
  background: linear-gradient(180deg, rgba(7, 3, 15, 0.92) 0%, rgba(7, 3, 15, 0.22) 100%);
  border-bottom: 1px solid transparent;
  transition: background var(--duration-s), border-color var(--duration-s), box-shadow var(--duration-s);
}

.site-header.scrolled {
  background: rgba(8, 5, 18, 0.78);
  backdrop-filter: blur(18px);
  border-bottom-color: rgba(98, 222, 255, 0.18);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.28);
}

.header-inner {
  position: relative;
  max-width: 1200px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-shadow: 0 0 18px rgba(37, 242, 255, 0.25);
}

.logo-mark {
  width: 2.15rem;
  height: 2.15rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(37, 242, 255, 0.18), rgba(255, 60, 172, 0.18));
  border: 1px solid rgba(92, 223, 255, 0.28);
  color: var(--text-primary);
  font-size: 1rem;
  clip-path: polygon(16% 0, 100% 0, 100% 84%, 84% 100%, 0 100%, 0 16%);
  box-shadow:
    inset 0 0 18px rgba(37, 242, 255, 0.12),
    0 0 22px rgba(255, 60, 172, 0.18);
}

.nav {
  display: none;
}

.nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.55rem 1rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: color var(--duration-s), background var(--duration-s), box-shadow var(--duration-s), border-color var(--duration-s);
}

.nav a:hover {
  color: var(--text-primary);
  background: rgba(37, 242, 255, 0.08);
  border-color: rgba(92, 223, 255, 0.24);
  box-shadow: 0 0 20px rgba(37, 242, 255, 0.15);
}

.nav.open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: var(--space-md);
  right: var(--space-md);
  margin-top: var(--space-sm);
  padding: var(--space-md);
  gap: 0.375rem;
  background: rgba(13, 10, 25, 0.96);
  border: 1px solid rgba(92, 223, 255, 0.18);
  border-radius: 18px;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.34);
}

.nav.open a {
  padding: 0.8rem 1rem;
}

.menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-primary);
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  box-shadow: 0 0 12px rgba(37, 242, 255, 0.22);
  transition: transform var(--duration-s);
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: calc(var(--space-2xl) + 3rem) var(--space-md) var(--space-xl);
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 12% 6% auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(37, 242, 255, 0.65), transparent);
  box-shadow: 0 0 18px rgba(37, 242, 255, 0.45);
  opacity: 0.8;
}

.hero::after {
  content: "";
  position: absolute;
  left: 10%;
  right: 10%;
  bottom: 12%;
  height: 240px;
  border: 1px solid rgba(92, 223, 255, 0.14);
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(37, 242, 255, 0.04), rgba(255, 60, 172, 0.04)),
    rgba(8, 5, 18, 0.18);
  transform: perspective(900px) rotateX(72deg);
  transform-origin: center bottom;
  box-shadow: 0 0 90px rgba(37, 242, 255, 0.08);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.78;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 42% at 50% 18%, rgba(37, 242, 255, 0.2) 0%, transparent 55%),
    radial-gradient(ellipse 44% 30% at 55% 26%, rgba(255, 60, 172, 0.16) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(92vw, 920px);
  padding: clamp(2rem, 4vw, 3rem);
  background:
    linear-gradient(135deg, rgba(37, 242, 255, 0.08), rgba(255, 60, 172, 0.06)),
    rgba(10, 8, 24, 0.46);
  border: 1px solid rgba(92, 223, 255, 0.18);
  border-radius: 28px;
  box-shadow:
    0 0 0 1px rgba(255, 60, 172, 0.06) inset,
    0 24px 80px rgba(0, 0, 0, 0.34),
    0 0 48px rgba(37, 242, 255, 0.08);
  backdrop-filter: blur(14px);
}

.hero-content::before,
.hero-content::after {
  content: "";
  position: absolute;
  width: 88px;
  height: 88px;
  border: 1px solid rgba(92, 223, 255, 0.24);
  pointer-events: none;
}

.hero-content::before {
  top: 14px;
  left: 14px;
  border-right: none;
  border-bottom: none;
}

.hero-content::after {
  right: 14px;
  bottom: 14px;
  border-left: none;
  border-top: none;
}

.hero-label {
  margin: 0 0 var(--space-sm);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--accent);
  text-shadow: 0 0 16px rgba(37, 242, 255, 0.3);
  opacity: 0;
  transform: translateY(12px);
  animation: reveal 0.8s var(--ease-out-expo) 0.2s forwards;
}

.hero-title {
  margin: 0 0 var(--space-md);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.8rem, 8vw, 5.6rem);
  line-height: 1.02;
  letter-spacing: 0.05em;
  opacity: 0;
  transform: translateY(20px);
  animation: reveal 0.9s var(--ease-out-expo) 0.35s forwards;
}

.hero-title .line {
  display: block;
}

.hero-title .line:first-child {
  color: transparent;
  -webkit-text-stroke: 1px rgba(202, 236, 255, 0.55);
  text-shadow: none;
}

.hero-title .accent {
  color: #ffffff;
  text-shadow:
    0 0 18px rgba(37, 242, 255, 0.45),
    0 0 38px rgba(255, 60, 172, 0.22);
}

.hero-desc {
  margin: 0 auto var(--space-lg);
  max-width: 34rem;
  font-size: 1.05rem;
  color: #c5d1ed;
  opacity: 0;
  transform: translateY(16px);
  animation: reveal 0.8s var(--ease-out-expo) 0.5s forwards;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
  opacity: 0;
  transform: translateY(16px);
  animation: reveal 0.8s var(--ease-out-expo) 0.65s forwards;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.8rem;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 999px;
  position: relative;
  overflow: hidden;
  transition: transform var(--duration-s), box-shadow var(--duration-s), background var(--duration-s), border-color var(--duration-s), color var(--duration-s);
}

.btn-primary {
  background: linear-gradient(90deg, var(--accent), #75f8ff 48%, #ffffff 100%);
  color: #04111b;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow:
    0 0 24px rgba(37, 242, 255, 0.34),
    0 8px 32px rgba(37, 242, 255, 0.22);
}

.btn-ghost {
  background: rgba(255, 60, 172, 0.07);
  color: var(--text-primary);
  border: 1px solid rgba(255, 60, 172, 0.28);
}

.btn-ghost:hover {
  background: rgba(255, 60, 172, 0.12);
  border-color: rgba(255, 60, 172, 0.44);
  box-shadow: 0 0 24px rgba(255, 60, 172, 0.18);
}

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

.section {
  position: relative;
  z-index: 1;
  padding: var(--space-2xl) 0;
}

.section::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: min(160px, 22vw);
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 60, 172, 0.8), transparent);
  opacity: 0.65;
}

.section-title {
  margin: 0 0 var(--space-sm);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-primary);
  text-shadow: 0 0 20px rgba(37, 242, 255, 0.16);
}

.section-lead {
  margin: 0 0 var(--space-xl);
  max-width: 38rem;
  font-size: 1.05rem;
  color: var(--text-secondary);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out-expo), transform 0.7s var(--ease-out-expo);
}

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

.section-services {
  background: linear-gradient(180deg, transparent 0%, rgba(15, 10, 29, 0.88) 15%, rgba(15, 10, 29, 0.96) 100%);
}

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

.service-card {
  padding: var(--space-xl);
  background:
    linear-gradient(145deg, rgba(37, 242, 255, 0.06), rgba(255, 60, 172, 0.05)),
    var(--bg-elevated);
  border: 1px solid var(--panel-border);
  border-radius: 22px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 26px 100%, 0 calc(100% - 26px));
  transition: border-color var(--duration-s), box-shadow var(--duration-s), transform var(--duration-s);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(92, 223, 255, 0.34);
  box-shadow:
    0 24px 56px rgba(0, 0, 0, 0.32),
    0 0 26px rgba(37, 242, 255, 0.14);
}

.service-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-md);
  color: var(--accent);
  filter: drop-shadow(0 0 12px rgba(37, 242, 255, 0.32));
}

.service-icon svg {
  width: 100%;
  height: 100%;
}

.service-title {
  margin: 0 0 var(--space-sm);
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-primary);
}

.service-desc {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.97rem;
  line-height: 1.72;
}

.section-tech {
  background:
    radial-gradient(circle at 80% 10%, rgba(255, 60, 172, 0.08), transparent 24%),
    rgba(12, 9, 24, 0.94);
}

.tech-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.tech-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-lg);
  align-items: start;
  padding: var(--space-lg);
  background:
    linear-gradient(120deg, rgba(37, 242, 255, 0.05), rgba(255, 60, 172, 0.04)),
    rgba(16, 12, 31, 0.92);
  border: 1px solid rgba(92, 223, 255, 0.16);
  border-radius: 18px;
  transition: border-color var(--duration-s), transform var(--duration-s), box-shadow var(--duration-s);
}

.tech-item:hover {
  transform: translateX(8px);
  border-color: rgba(255, 60, 172, 0.28);
  box-shadow: 0 0 30px rgba(255, 60, 172, 0.08);
}

.tech-num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  text-shadow: 0 0 14px rgba(37, 242, 255, 0.3);
}

.tech-item h3 {
  margin: 0 0 0.25rem;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-primary);
}

.tech-item p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.section-work {
  background: linear-gradient(180deg, rgba(12, 9, 24, 0.96) 0%, rgba(7, 3, 15, 1) 100%);
}

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

.work-card {
  background:
    linear-gradient(145deg, rgba(37, 242, 255, 0.05), rgba(255, 60, 172, 0.05)),
    rgba(15, 12, 29, 0.96);
  border: 1px solid rgba(92, 223, 255, 0.16);
  border-radius: 22px;
  overflow: hidden;
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
  transition: border-color var(--duration-s), transform var(--duration-s), box-shadow var(--duration-s);
}

.work-card:hover {
  transform: translateY(-8px);
  border-color: rgba(255, 60, 172, 0.3);
  box-shadow:
    0 28px 56px rgba(0, 0, 0, 0.34),
    0 0 28px rgba(255, 60, 172, 0.14);
}

.work-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: linear-gradient(135deg, var(--magenta-dim) 0%, var(--accent-dim) 100%);
}

.work-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 30%, rgba(5, 8, 18, 0.42) 100%),
    linear-gradient(90deg, rgba(37, 242, 255, 0.08), transparent 45%, rgba(255, 60, 172, 0.08));
  pointer-events: none;
}

.work-media img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform var(--duration-m), filter var(--duration-m);
  filter: saturate(0.96) contrast(1.05);
}

.work-card h3 {
  margin: var(--space-md) var(--space-md) 0;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-primary);
}

.work-card p {
  margin: 0 var(--space-md) var(--space-md);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.work-card:hover .work-media img {
  transform: scale(1.04);
  filter: saturate(1.05) contrast(1.08);
}

.section-contact {
  background:
    radial-gradient(circle at 20% 0%, rgba(37, 242, 255, 0.1), transparent 24%),
    rgba(12, 9, 24, 0.98);
}

.contact-block {
  max-width: 30rem;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border-radius: 22px;
  border: 1px solid rgba(92, 223, 255, 0.18);
  background:
    linear-gradient(145deg, rgba(37, 242, 255, 0.05), rgba(255, 60, 172, 0.05)),
    rgba(14, 11, 30, 0.9);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.24);
}

.contact-email {
  display: inline-block;
  margin-bottom: var(--space-sm);
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--accent);
  text-decoration: none;
  transition: color var(--duration-s), text-shadow var(--duration-s);
}

.contact-email:hover {
  color: var(--text-primary);
  text-shadow: 0 0 24px var(--accent-glow);
}

.contact-note {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.site-footer {
  padding: var(--space-xl) var(--space-md);
  border-top: 1px solid rgba(92, 223, 255, 0.14);
  text-align: center;
  background: linear-gradient(180deg, rgba(9, 6, 18, 0.82), rgba(7, 3, 15, 0.96));
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer-brand {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
}

.footer-records {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.875rem;
  margin: 0;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-record-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  color: inherit;
  text-decoration: none;
  transition: color var(--duration-s), text-shadow var(--duration-s);
}

.footer-record-link:hover {
  color: var(--text-primary);
  text-shadow: 0 0 12px rgba(37, 242, 255, 0.24);
}

.footer-record-icon {
  width: 18px;
  height: 18px;
  object-fit: contain;
  flex: 0 0 auto;
}

@media (min-width: 768px) {
  .nav {
    display: flex;
    gap: var(--space-xs);
    position: static;
    margin: 0;
    padding: 0;
    background: none;
    border: none;
    flex-direction: row;
  }

  .nav.open {
    position: static;
    margin: 0;
    padding: 0;
    background: none;
    border: none;
    box-shadow: none;
    flex-direction: row;
  }

  .menu-toggle {
    display: none;
  }

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

@media (max-width: 767px) {
  .site-header {
    padding-inline: var(--space-md);
  }

  .hero {
    padding-top: calc(var(--space-2xl) + 2rem);
  }

  .hero-content {
    padding: 1.6rem 1.3rem;
  }

  .hero-title {
    letter-spacing: 0.03em;
  }

  .hero::after {
    left: 4%;
    right: 4%;
    bottom: 8%;
    height: 170px;
  }

  .contact-email {
    font-size: 1.15rem;
    line-break: anywhere;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 4.5rem 0;
  }

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

  .tech-item {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .footer-records {
    gap: 0.5rem 0.875rem;
  }
}